CN218476126U - Automatic welding machine for PTC ceramic heating element - Google Patents

Abstract

The utility model discloses an automatic welding machine for a PTC ceramic heating element, which belongs to the technical field of mechanical processing equipment and includes a wire processing station one (2), a wire processing station two (3) and a wire and PTC ceramic heating body connecting station (4). ), wire processing station 1 (2) is equipped with wire feeding device 1 (7), wire stripping device 1 (8), flux feeding device 1 (9), PTC ceramic heating element installation device (10) , PTC ceramic heating element turning device (11), wire shifting device (12), flux feeding device 2 (13) and feeding device (14), wire processing station 2 (3) is equipped with wire feeding Device two (19), wire stripping device two (20), flux feeding device three (21) and wire recovery device (113), the utility model can realize the automatic welding assembly between the wire and the PTC ceramic heating element , High work efficiency, can effectively guarantee the welding accuracy.

Description

PTC ceramic heating element automatic welding machine

technical field

The utility model belongs to the technical field of mechanical processing equipment, in particular to a PTC ceramic heating element automatic welding machine used for fully automatic assembly of wires and PTC ceramic heating elements.

Background technique

PTC resin is a high temperature resistant, semi-crystalline thermoplastic. PTC and its modified products are often used in the fields of electronics and electrical appliances, such as junction boxes, sockets, integrated circuit boards, plug slot board assemblies, relay components and wireless Among communication equipment components, there is a good development trend in miniaturization and auxiliary equipment in surface processing technology.

The welding between the PTC ceramic heating element and the wire needs to cut the wire into a prefabricated length first, and peel off the insulation at one or both ends of the wire, and connect the exposed core wire conductor with the PTC ceramic through hot-melt solder. The welding parts on the heating element are welded together. In the prior art, either it is done manually, the labor intensity is high, the production efficiency is low, and because the PTC ceramic heating element is small in size, it is not easy to clamp manually, and it is easy to cause damage and drop of the PTC ceramic heating element; Either the welding between the PTC ceramic heating element and the wire is divided into different processing steps, which are transferred and processed on different processing equipment to form a semi-automatic assembly line processing, but this processing method makes the continuity between the processing steps poor , It is easy to cause uneven welding between the wire and the PTC ceramic heating element, and the precision requirements of the processing cannot be guaranteed.

Utility model content

The purpose of the utility model is to overcome the low efficiency of the connection mode between the wire and the PTC ceramic heating element in the prior art, and the technical problems such as the inability to guarantee the welding accuracy between the wire and the PTC ceramic heating element, etc., to provide a fully automatic assembly of the wire and the PTC ceramic The PTC ceramic heating element automatic welding machine for the heating element has high working efficiency and can ensure the welding accuracy between the wire and the PTC ceramic heating element.

In order to solve the above-mentioned technical problems, the utility model provides a PTC ceramic heating element automatic welding machine, including a workbench, and a wire processing station 1 and a wire processing station 2 are respectively arranged on the workbench, and the wire processing station 1 A connection station between the wire and the PTC ceramic heating element is provided between the wire processing station 2, and the wire processing station 1 is provided with a turntable 1 and a driving mechanism 1 for driving the turntable 1 to rotate. The outer edge of the turntable 1 is provided with a clamping mechanism 1 for clamping the first wire along its circumferential direction, and the worktable is sequentially provided with a wire feeding device 1 and a wire stripping device along the rotation direction of the turntable 1. Device 1, flux feeding device 1, PTC ceramic heating element installation device, PTC ceramic heating element turning device, wire shifting device, flux feeding device 2 and unloading device, the wire feeding device 1 and the described An inductor 1 is arranged between the wire stripping device 1, an inductor 2 is arranged between the PTC ceramic heating element installation device and the PTC ceramic heating element turning device, and a turntable 2 is arranged on the wire processing station 2. and a driving mechanism 2 for driving the rotation of the turntable 2, the outer edge of the turntable 2 is provided with a clamping mechanism 2 for clamping the second wire along the outer edge of the turntable 2; The direction of rotation of the second wire is provided with a wire feeding device 2, a wire stripping device 2, a flux feeding device 3, and a wire recovery device in sequence. Device 3, a wire installation device is arranged on the connecting station between the wire and the PTC ceramic heating element, and an inductor 4 is arranged between the wire installation device and the wire recovery device.

As a further improvement measure of the present utility model, the above-mentioned clamping mechanism includes a mounting block 1 sequentially arranged on the outer edge of the turntable along the circumferential direction, and clamps 1 which are oppositely arranged and respectively hinged to the mounting block 1 and clamp two, the lower end of the clamp one is set as clamping part one, and the clamping part one is inclined toward the direction of clamp two, and the lower end of the clamp two is set as clamping part two, and the clamping part two is set toward the clamping part two One direction is inclined, the upper end of the clamp one is set as the connecting part one, the upper end of the clamp two is set as the connecting part two, the elastic part one is arranged between the connecting part one and the connecting part two, and the wire A control device 1 for controlling the opening and closing of the clamping mechanism 1 is provided at the feeding device, the PTC ceramic heating element turning device, the wire shifting device and the wire unloading device, and the control device 1 includes a setting The drive mechanism 3 for longitudinal driving on the workbench and the compression rod 1 arranged at the output end of the drive mechanism 3 along the longitudinal direction, the lower end of the compression rod 1 corresponds to the elastic member 1.

As a further improvement measure of the present utility model, the above-mentioned clamping mechanism 2 includes a clamp 3 arranged on the upper surface of the turntable 2 in sequence along the circumferential direction and a clamp 4 arranged above the clamp 3, and the upper edge of the turntable 2 The axial direction of itself is provided with a through hole for the clamp rod to pass through. The through hole is distributed along the circumferential direction of the turntable two and corresponds to the clamp four. The upper end of the clamp rod is connected to the clamp Four-phase connection, the lower end of the clamping rod is covered with a fastener, and an elastic member 2 is arranged between the fastener and the lower surface of the turntable 2, the wire feeding device 2, the wire installation Both the device and the wire recovery device are provided with a control device 2 for controlling the opening and closing of the clamping mechanism 2, and the control device 2 includes a drive mechanism 4 arranged under the turntable 2 for longitudinal driving and arranged along the longitudinal direction. For the compression rod two at the four output ends of the driving mechanism, the upper end of the compression rod two corresponds to the lower end of the clamping rod.

As a further improvement measure of the present utility model, the above-mentioned wire feeding device includes a wire feeding mechanism and a wire cutting mechanism, and the workbench is provided with a fixed seat and is used to drive the fixed seat to move horizontally along the wire conveying direction. The driving mechanism five, the wire feeding mechanism includes a tensioning wheel assembly and a pinch roller assembly 1 arranged on the fixed seat 1, and the pinching roller assembly 1 is arranged between the tensioning wheel assembly and the Between the wire cutting mechanism, the pinch roller assembly one includes an upper pinch roller one and a lower pinch roller one that rotate relatively, and between the pinch roller assembly one and the tension wheel assembly and the pinch roller assembly A conveying pipe 1 for the wire to pass is arranged between the wire cutting mechanism, the wire cutting mechanism includes an upper movable knife 1 and a lower movable knife 1 respectively corresponding to the wires, and the workbench is provided with Driving mechanism 6, the output end of the driving mechanism 6 is provided with a connecting frame 1 for fixing the upper moving knife 1 and a connecting frame 2 for fixing the lower moving knife 1, and the driving mechanism 6 is used for driving the The connecting frame one and the connecting frame two move toward each other.

As a further improvement measure of the present invention, the above-mentioned wire cutting mechanism is provided with a wire inner end stripping mechanism facing the wire feeding mechanism, and the wire inner end stripping mechanism includes upper movable knives corresponding to the wires respectively. Two and the lower movable knife two, the upper movable knife two is also fixed on the connecting frame one, and the height of the lower end of the upper movable knife two is higher than the height of the lower end of the upper movable knife, and the lower movable knife two It is also fixed on the connecting frame 2, and the height of the upper end of the lower movable knife 2 is lower than the height of the upper end of the upper movable knife 1, and the wire inner end stripping mechanism also includes a Corresponding to the air blowing pipe, the lower moving knife 2 is provided with a recovery cylinder 1, and the wire cutting mechanism is provided with a wire positioning mechanism 1 on a side far away from the wire feeding mechanism, and the wire positioning mechanism 1 includes wires and wires respectively. Corresponding upper positioning plate one and lower positioning plate one, described upper positioning plate one is provided with groove one toward a side of wire, and described lower positioning plate one is provided with groove one opposite to one side of wire. Corresponding to the groove 2, the workbench is provided with a driving mechanism 7 for driving the upper positioning plate 1 and the lower positioning plate 1 to perform relative motion.

As a further improvement measure of the present invention, the above-mentioned wire stripping device 1 includes a wire outer end stripping mechanism and a wire positioning mechanism 2, and the workbench is provided with a fixing seat 2 and is used to drive the fixing seat 2 toward the wire. direction to do horizontal movement of the drive mechanism eight, the wire outer end stripping mechanism includes the upper movable knife three and the lower movable knife three respectively corresponding to the wires, the bottom of the lower movable knife three is provided with a recovery cylinder two, the A driving mechanism 9 is arranged on the fixing seat 2, and the output end of the driving mechanism 9 is provided with a connecting frame 3 for fixing the upper moving knife 3 and a connecting frame 4 for fixing the lower moving knife 3. Mechanism 9 is used to drive the connecting frame 3 and connecting frame 4 to move towards each other. The wire positioning mechanism 2 includes an upper positioning plate 2 and a lower positioning plate 2 corresponding to the wires respectively, and the upper positioning plate 2 faces toward the wire. A groove 3 is provided on one side, and a groove 4 corresponding to the groove 3 is provided on the side of the lower positioning plate 2 facing the wire. The workbench is provided with a groove for driving the upper positioning plate 2 and The lower positioning plate 2 is a drive mechanism 10 for relative motion.

As a further improvement measure of the present utility model, the above-mentioned flux feeding device includes a storage tank for placing flux and a sponge for soaking flux, and the storage tank is arranged on the wire Below, the sponge one is set in the storage tank one, the drive mechanism eleven for longitudinal driving is arranged on the workbench, and the output end of the drive mechanism eleven is provided with a device for fixing the sponge one The connecting frame five.

As a further improvement measure of the present utility model, the above-mentioned PTC ceramic heating element installation device includes a PTC ceramic heating element feeding mechanism, a solder wire feeding mechanism 1 and a welding mechanism 1, and the PTC ceramic heating element feeding mechanism includes a The vibrating plate of the PTC ceramic heating element and the linear feeder arranged at the outlet of the vibrating plate, the end of the linear feeder towards the vibrating plate is provided with an inductor five corresponding to the PTC ceramic heating element, and the working There are bracket one and bracket two respectively arranged on the table, and the solder wire feeding mechanism one includes a stocker one rotated on the bracket one for storing solder and one set on the bracket two for conveying the solder wire The pinch roller assembly 2, the pinch roller assembly 2 includes the upper pinch roller 2 and the lower pinch roller 2 that rotate relatively, the space between the stocker 1 and the pinch roller assembly 2 and the pinch roller Between the tension roller assembly 2 and the welding mechanism 1, there is a delivery pipe 2 for the solder wire to pass through. The welding mechanism 1 includes a heater 1 arranged below the clamping mechanism 1 and corresponding to the wire, And the tin tank 1 arranged on the upper end of the heater 1, the storage tank 2 for placing flux and the sponge 2 for dipping flux are arranged between the tin tank 1 and the linear feeder , the workbench is provided with a driving mechanism 12 for driving the sponge 2 to move in the longitudinal direction in the storage tank 2.

As a further improvement measure of the present invention, a wire positioning mechanism 3 is provided between the above-mentioned welding mechanism and the clamping mechanism 1, and the wire positioning mechanism 3 includes an upper positioning mechanism corresponding to the wires on the clamping mechanism 1 respectively. Plate three and the lower positioning plate three, the upper positioning plate three is provided with a groove five on one side facing the wire, and the lower positioning plate three is provided with a groove six corresponding to the groove five on one side facing the wire , the workbench is provided with a driving mechanism 13 for driving the upper positioning plate 3 and the lower positioning plate 3 to perform relative motion, and the end of the linear feeder towards the clamping mechanism one end is provided with a discharge trough , one end of the discharge trough communicates with the linear feeder, the other end of the discharge trough is provided with a baffle plate, and the linear feeder is provided with a limit position that contacts the upper surface of the PTC ceramic heating element piece, and the distance between the limiting piece and the baffle is the length of a PTC ceramic heating element, a jaw and a pair of PTC ceramics for driving the jaw are arranged above the discharge chute The heating element clamps the driving part one, and the jaw one can move longitudinally or horizontally under the drive of the driving mechanism fourteen.

As a further improvement measure of the present utility model, the above-mentioned workbench is provided with a fixed seat three corresponding to the clamping mechanism one, and the PTC ceramic heating element overturning device is provided on the fixed seat three and connected to the The second jaw opposite to the PTC ceramic heating element, and the second driving member for driving the second jaw to clamp the PTC ceramic heating element. One end of the rotating shaft is connected to the jaw two, and the other end of the rotating shaft is provided with a driving mechanism fifteen for driving the rotating shaft to move toward the first direction of the clamping mechanism, and the fixing seat three A drive mechanism 16 for driving the rotating shaft to rotate is provided on the top, a pulley 1 is provided at the output end of the drive mechanism 16, a pulley 2 is set on the rotating shaft, and the gap between the 1 pulley and the 2 pulley is A belt is provided, the inner wall of the pulley 2 is provided with grooves along its own axial direction, and the grooves are distributed along the circumferential direction of the pulley, and the rotating shaft is provided with grooves corresponding to the grooves along its own axial direction. corresponding protrusions, and the protrusions are distributed along the circumferential direction of the rotating shaft.

As a further improvement measure of the present utility model, the above-mentioned workbench is provided with a fixed seat 4 corresponding to the clamping mechanism 1, and the wire displacement device includes a The jaw three corresponding to the ceramic heating element, and the driving part three used to drive the jaw three to clamp the PTC ceramic heating element, and the fixing seat four is provided with a device for driving the jaw three toward the PTC ceramic heating element. The driving mechanism of body direction movement seventeen.

As a further improvement measure of the present invention, the above-mentioned wire installation device includes a wire positioning mechanism 4, a solder wire feeding mechanism 2 and a welding mechanism 2, and the wire positioning mechanism 4 includes wires corresponding to the wires on the clamping mechanism 2. The upper positioning plate 4 and the lower positioning plate 4, the upper positioning plate 4 is provided with a groove 7 on one side facing the wire, and the lower positioning plate 4 is provided with a concave groove corresponding to the groove 7 facing the side of the wire. Groove eight, the workbench is provided with a driving mechanism eighteen for driving the upper positioning plate four and the lower positioning plate four to perform relative motion, the workbench is respectively provided with a support three and a support four, and the solder wire The feeding mechanism 2 includes a stocker 2 rotatably arranged on the support 3 for storing solder and a pinch roller assembly 3 rotatably set on the cradle 4 for conveying solder wire. The pinch roller assembly 3 It includes an upper pinch roller three and a lower pinch roller three which rotate relatively, and is arranged between the second stocker and the third pinch roller assembly and between the third pinch roller assembly and the second welding mechanism There is a delivery pipe 3 for solder wire to pass through, and the welding mechanism 2 includes a heater 2 arranged between the turntable 1 and the turntable 2 and below the wire, and a heater 2 arranged at the upper end of the heater 2 Tin tank two.

As a further improvement measure of the present utility model, the above-mentioned unloading device includes a conveyor belt arranged on the workbench and a driving mechanism 19 for driving the conveyor belt to transmit, the conveyor belt is arranged below the turntable one, And the conveyor belt is arranged between the first wire feeding device and the wire installation device.

As a further improvement measure of the present utility model, the above-mentioned workbench is provided with a fixed seat 5 corresponding to the clamping mechanism 2, and the wire recovery device includes a clamp set on the fixed seat 5 and opposite to the wire. Claw 2, and a driving member 4 for driving the clamping jaw 4 to clamp the wire, and the fixing base 5 is provided with a driving mechanism 20 for the clamping jaw 4 to move toward the wire.

Compared with the prior art, the beneficial effects of the utility model are: 1. The utility model integrates the wire processing station one, the wire processing station two and the wire and PTC ceramic heating element connection station on the same workbench, which can At the same time, two wires are processed, and the two processed wires are respectively welded to the PTC ceramic heating element. It is also possible to complete the welding of a single wire and the PTC ceramic heating element, which is conducive to improving production efficiency and saving production. 2. Through the rotation of the turntable 1, the utility model makes the first wire pass through the wire feeding device 1, the wire stripping device 1, the flux feeding device 1, PTC ceramic heating element installation device, PTC ceramic heating element turning device, wire shifting device and flux feeding device 2 Complete the cutting of the first wire, stripping the inner and outer ends and the connection between the first wire and the PTC ceramic heating element Through the rotation of the turntable 2, the second wire passes through the wire feeding device 2, the wire stripping device 2, and the flux feeding device 3 in sequence, and the second wire is cut off, the inner and outer ends are stripped, and then The welding between the second wire and the PTC ceramic heating element is realized through the wire installation device, which unifies the feeding of the first wire, the second wire and the PTC ceramic heating element, and the welding between the three, avoiding the process of processing One of the items in the process is offset, resulting in inaccurate welding, which ensures the product quality; 3. The utility model can clearly detect the processing status of the wire by setting the sensor between the corresponding devices and timely Feedback to improve product quality and avoid defective products; 4. The utility model drives the movement of each processing device and mechanism through the cam assembly, which can realize the synchronous start and stop of each processing step, which is conducive to improving production efficiency and reducing The use of motors and cylinders saves space on the workbench.

Description of drawings

Fig. 1 is a perspective view of the utility model.

Fig. 2 is the front view of the utility model.

Fig. 3 is a top view of the utility model.

Fig. 4 is an enlarged perspective view of the turntable one of the present invention.

Fig. 5 is an enlarged view of part I in Fig. 4 .

Fig. 6 is an enlarged perspective view of the second turntable of the present invention.

Fig. 7 is one of the enlarged perspective views of the wire feeding device 1 of the utility model.

Fig. 8 is the second enlarged perspective view of the wire feeding device 1 of the utility model.

Fig. 9 is an enlarged view of part H in Fig. 8 .

Fig. 10 is an enlarged perspective view of the first wire stripping device of the present invention.

Fig. 11 is an enlarged perspective view of a flux feeding device 1 of the present invention.

Fig. 12 is an enlarged perspective view of the PTC ceramic heating element installation device of the present invention. .

Fig. 13 is an enlarged top view of the PTC ceramic heating element installation device of the present invention.

Fig. 14 is an enlarged perspective view of the PTC ceramic heating element turning device of the present invention.

Fig. 15 is an enlarged perspective view of the wire displacement device of the present invention.

Fig. 16 is an enlarged perspective view of the second flux feeding device of the present invention.

Fig. 17 is one of the enlarged perspective views of the wire feeding device 2 of the present invention.

Fig. 18 is the second enlarged perspective view of the wire feeding device 2 of the present invention.

Fig. 19 is an enlarged view of part P in Fig. 18 of the utility model.

Fig. 20 is an enlarged perspective view of the second wire stripping device of the present invention.

Fig. 21 is an enlarged perspective view of the third flux feeding device of the present invention.

Fig. 22 is an enlarged view of the wire installation device of the present invention.

Fig. 23 is an enlarged view of the wire recovery device of the present invention.

Explanation of reference numerals: 1-worktable, 2-wire processing station 1, 3-wire processing station 2, 4-wire and PTC ceramic heating element connection station, 5-turntable 1, 6-clamping mechanism 1, 7-wire feeding device 1, 8-wire stripping device 1, 9-flux feeding device 1, 10-PTC ceramic heating element installation device, 11-PTC ceramic heating element turning device, 12-wire shifting device, 13-flux feeding device 2, 14-feeding device 2, 15-inductor 1, 16-inductor 2, 17-turntable 2, 18-clamping mechanism 2, 19-wire feeding device 2, 20-wire Wire stripping device two, 21-flux feeding device three, 22-inductor four, 23-installation block one, 24-clamp one, 25-clamp two, 26-clamping part one, 27-clamping part two, 28-Connection part 1, 29-Connection part 2, 30-Elastic part 1, 31-Control device 1, 32-Clamping rod 1, 33-Clamp 3, 34-Clamp 4, 35-Clamping rod, 36-Tightening Firmware, 37-elastic part 2, 38-control device 2, 39-pressure rod 2, 40-fixing seat 1, 41-tensioner assembly, 42-pressure roller assembly 1, 43-upper pressure roller 1 , 44-bottom pressure roller 1, 45-conveying pipe 1, 46-up moving knife 1, 47-down moving knife 1, 48-connecting frame 1, 49-connecting frame 2, 50-up moving knife 2, 51- Lower moving knife 2, 52-blowing pipe, 53-recovery cylinder 1, 54-upper positioning plate 1, 55-lower positioning plate 1, 56-groove 1, 57-groove 2, 58-fixing seat 2, 59- Upper movable knife three, 60-lower movable knife three, 61-recovery cylinder two, 62-connection frame three, 63-connection frame four, 64-upper positioning plate two, 65-lower positioning plate two, 68-storage cylinder one , 69-sponge one, 70-connecting frame five, 71-vibration plate, 72-linear feeder, 73-bracket one, 74-pinching roller assembly two, 75-upper pinching roller two, 76-bottom pinching roller Two, 77-conveying pipe two, 78-heater one, 79-tin tank one, 80-storage cylinder two, 81-sponge two, 82-upper positioning plate three, 83-lower positioning plate three, 86-put Feed trough, 87-baffle plate, 88-claw one, 89-fixed seat three, 90-claw two, 91-rotating shaft, 92-belt pulley one, 93-pulley two, 94-belt, 95-fixed seat four, 96-claw three, 97-upper positioning plate four, 98-lower positioning plate four, 101-bracket three, 102-bracket four, 103-stocker two, 104-pressing roller assembly three, 105-top pressing Roller 3, 106-bottom pressure roller 3, 107-conveyor pipe 3, 108-heater 2, 109-tin tank 2, 110-conveyor belt, 111-fixing seat 5, 112-claw 4, 113-wire recovery Device, 114-sensor three, 115-wire installation device, 116-bracket two, 117-stocker one, 118-inductor five, 119-limit rod one, 120-limit rod two, 121-limit pieces.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is further described.

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

On the contrary, the utility model covers any alternatives, modifications, equivalent methods and schemes made on the spirit and scope of the utility model defined by the claims. Further, in order to make the public have a better understanding of the utility model, some specific details are described in detail in the detailed description of the utility model below. Those skilled in the art can fully understand the present invention without the description of these detailed parts.

The PTC ceramic heating element automatic welding machine as shown in Figure 3 includes a workbench 1, and the workbench 1 is respectively provided with a wire processing station 1 and a wire processing station 2 3, and the wire processing station 1 2 processes the first wire, and the first wire is connected with the PTC ceramic heating element, and the second wire is processed through the wire processing station 2 3, and the wire and wire are arranged between the wire processing station 2 and the wire processing station 2 The PTC ceramic heating element connection station 4 is used to connect the PTC ceramic heating element on the first wire with the second wire.

As shown in Fig. 1, Fig. 3, Fig. 4 and Fig. 5, the wire processing station-2 is provided with a turntable-5 and a driving mechanism for driving the turntable-5 to rotate, and the outer edge of the turntable-5 is along its circumferential direction. Direction is provided with the clamping mechanism one 6 that is used for clamping the first wire, and clamping mechanism one 6 comprises the installation block one 23 that is arranged on the outer edge of rotating disk one 5 successively along the circumferential direction, and is oppositely arranged and respectively with the installation block one 23. 23 hinged clamp one 24 and clamp two 25, the lower end of clamp one 24 is set as clamping part one 26, clamping part one 26 is inclined towards clamp two 25 direction, the lower end of clamp two 25 is set as clamping part two 27, Clamping part 2 27 is inclined towards clamping part 24 direction, and clamping part 24 and clamping part 25 are scissors shape, and the upper end of clamping part 24 is set as connecting part one 28, and the upper end of clamping part 25 is set as connecting part two 29, connecting part A first elastic member 30 is disposed between the first 28 and the second connecting portion 29, and in this embodiment, the first elastic member 30 is set as a tension spring. Utilizing the elastic force of the first elastic member 30, the first connecting part 28 and the second connecting part 29 are tensioned, and at the same time, the first clamping part 26 and the clamping part 27 are also clamped, so as to realize the clamping of the first wire.

As shown in Figure 1 and Figure 3, along the rotation direction of the turntable 5 on the workbench 1, a wire feeding device 7, a wire stripping device 8, a flux feeding device 9, a PTC ceramic heating element installation Device 10, PTC ceramic heating element turning device 11, wire shifting device 12, flux feeding device 2 13 and unloading device 14, adopt a reasonable workpiece layout on the workbench 1, and drive the clamping mechanism 1 through the turntable 1 6 rotation, the first wire is sent to each device for processing, which realizes the continuous processing and production of the first wire and the connection with the PTC ceramic heating element, which saves production time and improves production efficiency.

As shown in Fig. 1, Fig. 2, Fig. 4 and Fig. 5, since the first wire needs to be opened and closed after 1-6 when feeding, flipping, shifting and unloading, the wire feeding device A control device-31 for controlling the opening and closing of the clamping mechanism-6 is provided at the 7 places, the 11 places of the PTC ceramic heating element turning device, the 12 places of the wire shifting device and the 14 places of the wire cutting device, and the control device-31 includes setting The drive mechanism three for longitudinal driving on the workbench 1 and the compression rod one 32 arranged at the output end of the drive mechanism three along the longitudinal direction, the lower end of the compression rod one 32 corresponds to the elastic member one 30, and the drive mechanism three drives and compresses Rod 1 32 moves toward elastic member 1 30, so that connecting part 1 28 and connecting part 2 29 are separated, so that clamping part 1 26 and clamping part 2 27 are separated, so that the first wire can be put in or taken out, After the driving mechanism three stops driving, the pressing rod one 32 leaves, the connecting part one 28 and the connecting part two 29 reset due to the elastic force of the elastic part one 30, and the clamping part one 26 and the clamping part two 27 interact to clamp the wire .

As shown in Figure 1, an inductor 15 is arranged between the wire feeding device-7 and the wire stripping device-8, which is used to detect whether the clamping mechanism-6 is clamped after the wire feeding device-7 is loaded. Hold the first wire, that is, whether the first wire is successfully loaded; there is an inductor 16 between the PTC ceramic heating element installation device 10 and the PTC ceramic heating element turning device 11, which is used to detect whether the PTC ceramic heating element is installed. Whether there is a PTC ceramic heating element on the first wire at the device 10, that is, whether the PTC ceramic heating element is installed successfully, if the sensor one 15 detects that the feeding of the first wire fails, or the sensor two 16 detects the PTC ceramic heating If the body installation fails, an alarm will be issued, and the PTC ceramic heating element automatic welding machine will stop working. This setting is conducive to improving product quality and yield.

As shown in Fig. 1, Fig. 3 and Fig. 6, the wire processing station 2 3 is provided with a turntable 2 17 and a drive mechanism 2 for driving the turntable 2 17 to rotate, and the outer edge of the turntable 2 17 is arranged along the circumferential direction of itself. For the clamping mechanism 2 18 that clamps the second wire, the clamping mechanism 2 18 includes a clamp 3 33 arranged on the upper surface of the turntable 17 in sequence along the circumferential direction and a clamp 4 34 arranged above the clamp 33. The turntable 2 17 is provided with a through hole for the clamping rod 35 to pass through along its own axial direction. The through hole is distributed along the circumferential direction of the rotating disk 2 17 and corresponds to the clamp 4 34. The upper end of the clamping rod 35 is in contact with the clamp 4 34. To connect, the lower end of the clamping rod 35 is covered with a fastener 36, and an elastic member 2 37 is arranged between the fastener 36 and the lower surface of the turntable 2 17. In this embodiment, the second elastic member 37 is set as a tension spring, and through the elastic force of the second elastic member 37 , the third clamp 33 and the fourth clamp 34 work together to clamp the second wire.

As shown in Figure 1, along the rotation direction of the turntable 2 17, the workbench 1 is provided with a wire feeding device 2 19, a wire stripping device 2 20, a flux feeding device 3 21 and a wire recovery device 113. 1 adopts a reasonable workpiece layout, drives the rotation of the clamping mechanism 18 through the turntable 2 17, transmits the second wire to each device for processing, and heats the second wire and the PTC ceramic on the first wire The body phase connection realizes the continuous processing and production of the second wire, saves production time and improves production efficiency.

An inductor 3 114 is arranged between the wire feeding device 2 19 and the wire stripping device 2 20 to detect whether the second wire is clamped on the clamping mechanism 2 18 after the wire feeding device 2 19 is loaded, That is, whether the second wire is loaded successfully. If the sensor three 114 detects that the second wire has failed to feed, it will alarm, and the PTC ceramic heating element automatic welding machine will stop working, which is conducive to improving product quality and yield .

As shown in Figures 1 and 3, a wire installation device 115 is provided on the connecting station 4 between the wire and the PTC ceramic heating element, and an inductor 222 is arranged between the wire installation device 115 and the wire recovery device 113 for detecting the wire Whether the clamping mechanism two 18 after the installation device 115 holds the second wire, that is, whether the second wire is successfully connected to the PTC ceramic heating element, if the second wire is detected by the sensor four 22, the wire recovery device 113 starts, and the second wire on the clamping mechanism 18 will be recovered to prevent the clamping mechanism 2 18 from bringing the second wire to the wire feeding device 2 19, which will affect the processing of the wire processing station 2 3 .

As shown in Figure 1 and Figure 6, due to the wire feeding, the connection between the second wire and the PTC ceramic heating element, and the recovery of the second wire, it is necessary to open the clamping mechanism 218 and then close it, so the 19 places of material device 2, wire installation device 115 and wire recovery device 113 are all provided with control device 2 38 for controlling the opening and closing of clamping mechanism 2 18. The drive mechanism four and the compression rod two 39 arranged at the output end of the drive mechanism four along the longitudinal direction, the upper end of the compression rod two 39 corresponds to the lower end of the clamping rod 35 . The driving mechanism four drives the compression rod two 39 to move toward the clamping rod 35, and drives the clamping rod 35 to move upwards in the longitudinal direction, so that the third clamp 33 and the fourth clamp 34 are separated, so that the second lead can be entered or taken out. After the driving mechanism four stops driving, the elasticity of the elastic member two 37 is used to reset the clamping rod 35, and the third clamp 33 and the fourth clamp 34 are clamped.

As shown in Fig. 1, Fig. 7, Fig. 8 and Fig. 9, the wire feeding device-7 includes a wire feeding mechanism and a wire cutting mechanism. The workbench 1 is provided with a fixed seat 40 and a drive mechanism 5 for driving the fixed seat 40 to move horizontally along the wire conveying direction. The wire feeding mechanism includes a tensioning wheel assembly 41 and a pressure roller arranged on the fixed seat 40 Assembly one 42, and the pressure roller assembly one 42 is arranged between the tension wheel assembly 41 and the wire cutting mechanism. The tensioning wheel assembly 41 includes several tensioning wheels, which are arranged on the fixed seat 40 through the connecting frame six, and the wires are wound on the tensioning wheels successively, which can play a tensioning effect on the wires and facilitate the transportation of the wires. The pinch roller assembly one 42 comprises a relatively rotating upper pinch roll one 43 and a lower pinch roll one 44. 44 rotations drive upper pinch roller-43 to rotate, to realize the conveying of lead. Because the wire is relatively soft, a delivery pipe 45 for the wire to pass is arranged between the pinch roller assembly 1 42 and the tension wheel assembly 41 and between the pinch roller assembly 1 42 and the wire cutting mechanism, so as to facilitate the delivery of the wire .

Between the upper pinch roller one 43 and the lower pinch roller one 44, there is a gap for the wire to pass. Adjustment assembly 1 of the size of the gap between the lower pinch roller 1 44, the adjustment assembly 1 includes the adjustment rod 1 installed on the fixed seat 40 along the horizontal direction and the adjustment rod 2 arranged on the fixed seat 40 along the longitudinal direction , one end of the adjusting rod one is connected with the upper pinch roller one 43, the other end of the adjusting rod one is connected with the upper end of the two adjusting rods in three phases through elastic parts, and the lower end of the adjusting rod two is fixed on the fixed seat one 40, elastic Part three can be set as a tension spring, with the position where the adjustment rod one is rotatably connected with the fixed seat one 40 as the fulcrum, using the principle of leverage and the elastic force of the elastic part three, the horizontal height of the upper pinch roller one 43 can be adjusted according to the thickness of the wire change, greater flexibility.

The wire cutting mechanism includes an upper movable knife 46 and a lower movable knife 47 respectively corresponding to the wires, the workbench 1 is provided with a drive mechanism 6, and the output end of the drive mechanism 6 is provided with a connecting frame for fixing the upper movable knife 46 One 48 and the connecting frame two 49 for fixing the lower moving knife one 47, the driving mechanism six is used to drive the connecting frame one 48 and the connecting frame two 49 to move in opposite directions, and drive the upper moving knife one 46 and the lower moving knife one 47 to do opposite Movement, cut the outer end of the previous wire.

Since in this embodiment, both ends of the wire need to be stripped, the wire cutting mechanism is provided with a wire inner end stripping mechanism on the side facing the wire feeding mechanism, and the distance between the wire cutting mechanism and the wire inner end stripping mechanism is The length of wire that needs to be stripped. The stripping mechanism at the inner end of the wire includes an upper movable knife 2 50 and a lower movable knife 51 respectively corresponding to the wires. The upper movable knife 2 50 is also fixed on the connecting frame 1 48, and the height of the lower end of the upper movable knife 50 is higher than The height of the upper end of the first movable knife 46, the second movable knife 51 is also fixed on the second connecting frame 49, and the height of the upper end of the second movable knife 51 is lower than the height of the upper end of the first movable knife 46. This setting enables the cutting of the previous wire and the stripping of the next wire to be carried out simultaneously, realizing continuous processing, higher efficiency, and reducing the installation of the driving mechanism on the workbench 1, which is beneficial to save space and cost. Between the connecting frame one 48 and the connecting frame two 49, a limit rod one 119 for controlling the distance between the connecting frame one 48 and the connecting frame two 49 is arranged in the longitudinal direction, and one end of the limit rod one 119 is fixed on the connecting frame one 48, When the driving mechanism six drives the connecting frame one 48 and the connecting frame two 49 to move relatively, the upper moving knife one 46 is in contact with the lower moving knife one 47 just to cut off the outer end of the last wire, and the upper moving knife two 50 is in contact with the lower moving knife one 47 The lower movable knife 2 51 is in contact with the sheath of the wire respectively, just to cut off the sheath of the wire, and when stripping the inner end of the next wire is realized, the other end of the stop rod 119 is in contact with the connecting frame 2 49 Butt against, now the driving mechanism six stops driving, completes the cutting and stripping of the wires, and effectively ensures that the upper moving knife 2 50 and the lower moving knife 2 51 only strip the wires without cutting the wires.

The stripping mechanism at the inner end of the wire also includes an air blowing pipe 52 corresponding to the second moving knife 51, and a recovery tube 1 53 is arranged below the lower moving knife 2 51, which can blow the stripped wire sheath to the recovery tube 1 53 In order to avoid accumulation of waste materials on the workbench 1, which will affect the processing. A stopper bar is arranged between the lower movable knife one 47 and the lower movable knife two 51 to prevent waste from falling into the gap between the lower movable knife one 47 and the lower movable knife two 51, causing inconvenience for cleaning. After the wire cutting and stripping are completed, the stripped end of the wire is transported to the clamping mechanism-6 through the pinch roller assembly-42, that is, the inner end of the wire is fixed in the clamping mechanism-6.

The wire cutting mechanism is provided with a wire positioning mechanism 1 on one side away from the wire feeding mechanism. The wire positioning mechanism 1 includes an upper positioning plate 1 54 and a lower positioning plate 55 corresponding to the wires respectively, and the upper positioning plate 1 54 faces a side of the wire. A groove one 56 is provided, and the lower positioning plate one 55 is provided with a groove two 57 corresponding to the groove one 56 towards a side of the wire. 55 do the driving mechanism seven of relative motion. When the upper positioning plate one 54 is in contact with the lower positioning plate one 55, the groove one 56 and the groove two 57 cooperate to form a positioning hole one for the wire to pass through. The position within -6 improves the accuracy of subsequent processing, and on the other hand, it can clamp the wire to facilitate the cutting of the wire.

As shown in Fig. 1, Fig. 17, Fig. 18 and Fig. 19, in this embodiment, the structure of the wire feeding device 2 19 is the same as that of the wire feeding device 1 7, except that the positions placed on the workbench 1 are different , the wire feeding device one 7 is arranged along the circumferential direction of the turntable one 5, and is used to realize the conveying, cutting and inner end stripping of the first wire; the wire feeding device two 19 is arranged along the circumferential direction of the turntable two 17, For feeding, cutting and inner end stripping of the second conductor.

As shown in FIG. 1 and FIG. 10 , the wire stripping device 1 8 includes a wire outer end stripping mechanism and a wire positioning mechanism 2 . The workbench 1 is provided with a fixed seat 2 58 and a driving mechanism 8 for driving the fixed seat 2 58 to move horizontally towards the direction of the wire. and the lower moving knife three 60, the fixed seat two 58 is provided with a driving mechanism nine, and the output end of the driving mechanism nine is provided with a connecting frame three 62 for fixing the upper moving knife three 59 and a connecting frame for fixing the lower moving knife three 60 463. Between the connecting frame 3 62 and the connecting frame 4 63, a limit rod 2 120 for controlling the distance between the connecting frame 3 62 and the connecting frame 4 63 is arranged along the longitudinal direction, and one end of the limiting rod 2 120 is fixed on the connecting frame 3 62, When the drive mechanism nine drives the connecting frame 3 62 and the connecting frame 4 63 to move towards each other, the upper moving knife 3 59 and the lower moving knife 3 60 are respectively in contact with the outer skin of the wire, and the outer skin of the outer end of the wire is just cut off. , the other end of the limit rod two 120 is in contact with the connecting frame four 63, and now the driving mechanism nine stops driving. Effectively ensure that the upper movable knife three 59 and the lower movable knife three 60 only strip the first wire without cutting the wire. Driving mechanism eight drives fixing seat two 58 to drive upper movable knife three 59 and lower movable knife three 60 to move towards the opposite direction of the wire, and the outer belt of the cut wire is taken out to realize the wire stripping of the outer end of the wire. The bottom of the lower moving knife three 60 is provided with a recovery cylinder two 61, and the waste material falls into the recovery cylinder two 61 for collection, so as to prevent waste from accumulating waste material on the workbench 1 and affecting the processing.

The wire positioning mechanism 2 includes an upper positioning plate 64 and a lower positioning plate 65 respectively corresponding to the wires. The upper positioning plate 2 64 is provided with a groove 3 facing one side of the wire, and the lower positioning plate 2 65 is provided with a groove 3 facing one side of the wire. There is a groove four corresponding to the groove three, and the workbench 1 is provided with a drive mechanism ten for driving the upper positioning plate two 64 and the lower positioning plate two 65 for relative motion. When the upper positioning plate 2 64 is in contact with the lower positioning plate 2 65, the groove 3 and the groove 4 cooperate to form the positioning hole 2 that is compatible with the wire. On the one hand, the wire can be clamped and positioned, so that The wire corresponds to the wire stripping device-8, which is convenient for stripping the wire. On the other hand, it can avoid excessive extrusion and damage to the wire during the clamping process.

As shown in Fig. 1 and Fig. 20, in the present embodiment, the structure of wire stripping device two 20 is the same as that of wire stripping device one 8, but the positions placed on the workbench 1 are different, and wire stripping device one 8 is arranged along the circumferential direction of turntable one 5, and is used to realize the stripping of the outer end of the first wire; wire stripping device two 20 is arranged along the circumferential direction of turntable two 17, and is used for realizing the stripping of the second wire outer end .

As shown in Figures 1 and 11, after the outer end of the first wire is stripped, the turntable-5 drives the clamping mechanism-6 to rotate, and the first wire is delivered to the flux feeding device-9. Flux feeding device one 9 includes a storage tank one 68 for placing flux and a sponge one 69 for dipping flux, the storage tank one 68 is arranged below the first wire or the second wire, The sponge one 69 is arranged in the material storage cylinder one 68, and the workbench 1 is provided with a driving mechanism eleven for longitudinal driving, and the output end of the driving mechanism eleven is provided with a connecting frame five 70 for fixing the sponge one 69. The driving mechanism 11 drives the connecting frame 5 70 to drive the sponge 69 to move longitudinally in the storage barrel 68, so that the sponge 69 is dipped in flux and then applied to the stripped end of the first wire, so as to facilitate subsequent The welding between the outer end of the first wire and the PTC ceramic heating element. .

As shown in Fig. 1, Fig. 3, Fig. 11, Fig. 16 and Fig. 21, in this embodiment, the structures of the flux feeding device 2 13 and the flux feeding device 3 21 are the same as those of the flux feeding device 1 9 The structure is the same, but the position on the workbench 1 is different. The flux feeding device-9 is arranged along the circumferential direction of the turntable-5, and is arranged on the wire stripping device-8 and the PTC ceramic heating element installation device. Between 10, it is used to realize the smearing of flux at the stripped end of the first wire, so as to facilitate the subsequent welding between the first wire and the PTC ceramic heating element; flux feeding device 2 13 along the turntable 5 It is set in the circumferential direction, and is arranged between the wire displacement device 12 and the wire installation device 115, and is used to realize the smearing of flux at the welding end of the PTC ceramic heating element; the flux feeding device 3 21 is along the circumference of the turntable 2 It is arranged in the direction, and is arranged between the second wire stripping device 20 and the wire installation device 115, and is used to realize the application of flux at the stripped end of the second wire outer end. The flux feeding device 2 13 and the flux feeding device 3 21 are all for facilitating the subsequent welding between the second wire and the PTC ceramic heating element.

As shown in Figure 1, Figure 12 and Figure 13, the turntable-5 drives the clamping mechanism-6 to rotate, and the first wire whose outer end is stripped and coated with flux is sent to the PTC ceramic heating element installation device 10, Carry out the installation connection between the PTC ceramic heating element and the outer end of the first wire. The PTC ceramic heating element installation device 10 includes a PTC ceramic heating element feeding mechanism, a solder wire feeding mechanism 1 and a welding mechanism 1. The PTC ceramic heating element feeding mechanism includes a vibrating plate 71 for placing the PTC ceramic heating element and a linear feeder 72 arranged at the discharge port of the vibrating plate 71. The end of the linear feeder 72 facing the vibrating plate 71 is provided with a The sensor five 118 corresponding to the heating element, when the PTC ceramic heating element on the linear feeder 72 is piled up at the sensor five 118, the vibrating plate 71 stops feeding, and the PTC ceramic heating element on the linear feeder 72 is sequentially connected to the sensor five 118. After the first wire is installed and taken away to reduce the number, the vibrating plate 71 continues to feed, which can effectively avoid the accumulation of the PTC ceramic heating element and affect the installation and connection of the PTC ceramic heating element and the first wire.

The linear feeder 72 is provided with a discharge chute 86 toward the end of the clamping mechanism one 6 end, and one end of the discharge chute 86 is connected with the linear feeder 72, and the PTC ceramic heating element to be connected with the first wire is conveyed Standby at 86 places of discharging trough, the other end of discharging trough 86 is provided with baffle plate 87, prevents PTC ceramic heating element from falling. The top of the discharge chute 86 is provided with a jaw-88 and is used to drive the jaw-88 to clamp the PTC ceramic heating element. The driver-the driver-can be set to the finger cylinder-the jaw-88 can be used in the drive mechanism Driven by fourteen, it moves in the longitudinal or horizontal direction, clamps the PTC ceramic heating element at the discharge trough 86 through the jaw one 88, and transports it to a position where it can be in contact with the stripping place at the outer end of the first wire. Ready for subsequent soldering. Because one end of the discharge trough 86 is connected with the linear feeder 72, and two adjacent PTC ceramic heating elements are all next to each other, in order to prevent the PTC ceramic heating element on the clamping jaw 88 from clamping the discharge chute 86 , the PTC ceramic heating element adjacent to it is brought out together, and the linear feeder 72 is provided with a stopper 121 that is in contact with the upper surface of the PTC ceramic heating element, and the space between the stopper 121 and the baffle plate 87 The distance is the length of one PTC ceramic heating element, so that the PTC ceramic heating element located at the discharging chute 86 is not affected by the limiting member 121 . The PTC ceramic heating element located at the end of the linear feeder 72 can be limited by the limiting member 121, which is beneficial to the transportation of the PTC ceramic heating element.

A wire positioning mechanism three is arranged between the welding mechanism and the clamping mechanism one 6, and the wire positioning mechanism three includes an upper positioning plate three 82 and a lower positioning plate three 83 respectively corresponding to the first wire on the clamping mechanism one 6, The upper positioning plate three 82 is provided with a groove five on one side facing the first wire, and the lower positioning plate three 83 is provided with a groove six corresponding to the groove five on one side facing the first wire. There is a drive mechanism 13 for driving the upper positioning plate 3 82 and the lower positioning plate 3 83 for relative motion. When the upper positioning plate 3 82 is in contact with the lower positioning plate 3 83, the groove five and the groove six cooperate to form a positioning block three for the first wire to pass through. On the one hand, the position of the first wire can be determined, which is convenient The contact between the first wire and the PTC ceramic heating element, on the other hand, can hold the first wire to facilitate subsequent welding.

The workbench 1 is respectively provided with a support 73 and a support 2 116, and the solder wire feeding mechanism 1 includes a stocker 117 which is rotatably arranged on the support 73 for storing solder and is arranged on the support 2 116 for transferring solder. The second pinch roller assembly 74 of silk, the second pinch roller assembly 74 comprises the upper pinch roller two 75 and the lower pinch roller two 76 that rotate relatively. The second bracket 116 is provided with a servo motor 2 for driving the rotation of the lower pinch roller 2 76, and the rotation of the lower pinch roller 2 76 drives the rotation of the upper pinch roller 2 75 to realize the delivery of solder wire. Between the stocker 1 117 and the pinch roller assembly 2 74 and between the pinch roller assembly 2 74 and the welding mechanism 1, there are delivery pipes 2 77 for the solder wire to pass through, which can support and guide the solder wire It can prevent the solder wire from hanging down on the workbench 1 and affect the processing of other devices.

Welding mechanism one includes a heater one 78 arranged below the clamping mechanism one 6 and corresponding to the first wire, and a tin tank one 79 arranged at the upper end of the heater one 78, which melts the solder wire and melts the tin liquid Stick to the pre-soldered part of the first wire. Between the tin tank 1 79 and the linear feeder 72, there are storage tank 2 80 for placing flux and sponge 2 81 for dipping flux. Sponge 2 81 is arranged in storage tank 2 80. 1 is provided with a drive mechanism 12 for driving the sponge 2 81 to move longitudinally in the storage tank 2 80 . Gripper 1 88 first transports the clamped PTC ceramic heating element to the top of storage material 2 80, and applies the dipped flux on the lower surface of the PTC ceramic heating element through a sponge, and then jaw 1 88 puts it on the bottom of the PTC ceramic heating element. The PTC ceramic heating element is sent to the first wire to realize the welding between the two. The flux can help and promote the welding process between the wire and the lower surface of the PTC ceramic heating element.

As shown in Figure 1 and Figure 14, since the first wire is welded on the lower surface of the PTC ceramic heating element, the second wire needs to be welded to the side corresponding to the first wire, that is, the upper surface of the PTC ceramic heating element , so it is necessary to turn the PTC ceramic heating element 180°, so that the upper surface and the lower surface of the PTC ceramic heating element are phase-inverted, so that the flux feeding device 2 13 can apply flux to the lower surface of the PTC ceramic heating element, that is, turn over Finally, the side with the first wire is not welded, so as to facilitate subsequent welding between the stripped outer end of the second wire and the PTC ceramic heating element. The workbench 1 is provided with a fixed seat three 89 corresponding to the clamping mechanism one 6, and the PTC ceramic heating element turning device 11 includes a jaw two 90 arranged on the fixed seat three 89 and opposite to the PTC ceramic heating element, and The driving part 2 that clamps the PTC ceramic heating element with the driving jaw 2 90, the driving part 2 can be set as a finger cylinder, and the fixing seat 3 89 is provided with a hole for the rotating shaft 91 to pass through along the axial direction of the first wire. Mounting hole, one end of the rotating shaft 91 is connected with the jaw two 90, and the other end of the rotating shaft 91 is provided with a driving mechanism 15 for driving the rotating shaft 91 to move toward the clamping mechanism one 6 direction. The fifteenth driving shaft 91 of the driving mechanism drives the second gripper 90 to move toward the PTC ceramic heating element, and the second driving part drives the second gripper 90 to clamp the PTC ceramic heating element.

The fixed seat three 89 is provided with a drive mechanism sixteen for driving the rotating shaft 91 to rotate, the output end of the drive mechanism sixteen is provided with a pulley one 92, the rotating shaft 91 is provided with a pulley two 93, between the pulley one 92 and the pulley two 93 Belt 94 is provided, driving mechanism 16 drives pulley 1 92 to rotate, and driving mechanism 16 can be set as servo motor 3. Through the transmission of the belt 94, the second pulley 93 rotates synchronously, realizing the rotation of the second jaw 90 driven by the rotating shaft 91. In this embodiment, the rotation angle of the rotating shaft 91 is 180°, and it is sufficient to exchange the upper surface and the lower surface of the PTC ceramic heating element. The inner wall of pulley 2 93 is provided with grooves along its own axial direction, and the grooves are distributed along the circumferential direction of pulley 2 93, and the rotating shaft 91 is provided with projections corresponding to the grooves along its own axial direction, and the projections Distributed along the circumferential direction of the rotating shaft 91 , the rotation of the rotating shaft 91 and the horizontal movement along the axial direction of the mounting hole can be realized through the engagement of the groove body and the protrusion.

As shown in Figures 1 and 15, after the above processing steps are completed, only a small part of the inner end of the first wire is clamped by the clamping mechanism one 6, and the outer end part away from the clamping mechanism one 6 is longer. It is not conducive to subsequent processing, so it is necessary to adjust the position of the first wire in the clamping mechanism one 6 . The workbench 1 is provided with a fixed seat 95 corresponding to the clamping mechanism one 6, and the wire displacement device 12 includes a clamping jaw three 96 which is arranged on the fixed seat four 95 and corresponds to the PTC ceramic heating element, and is used for The drive jaw three 96 is the driving part three for clamping the PTC ceramic heating element, the driving part three can be set as a finger cylinder, and the fixing seat four 95 is provided with a driving mechanism for driving the jaw three 96 to move toward the PTC ceramic heating element seventeen. Driven by the driving mechanism 17, the clamping claw 3 96 pushes the clamped first wire to the direction of the clamping mechanism 16, so that the length of the outer end of the first wire exposed outside the clamping mechanism 6 is shortened , for subsequent processing.

As shown in FIG. 1 and FIG. 22 , the wire installation device 115 disposed between the first turntable 5 and the second turntable 17 includes a lead positioning mechanism four, a solder wire feeding mechanism two and a welding mechanism two. Wire positioning mechanism 4 includes upper positioning plate 4 97 and lower positioning plate 4 98 respectively corresponding to the second wire on clamping mechanism 2 18, and upper positioning plate 4 97 is provided with a groove towards a side of the second wire Seventh, the lower positioning plate 4 98 is provided with a groove 8 corresponding to the groove 7 toward one side of the second wire, and the workbench 1 is provided with a drive for driving the upper positioning plate 4 97 and the lower positioning plate 4 98 for relative movement The driving mechanism of XVIII. When the upper positioning plate four 97 was in contact with the lower positioning plate 98, the seven grooves and the eight grooves cooperated to form the positioning block four for the second wire to pass through, on the one hand, the position of the second wire can be determined, which is convenient for the second wire The contact between the two wires and the PTC ceramic heating element, on the other hand, can hold the second wire to facilitate subsequent welding.

The workbench 1 is respectively provided with a support three 101 and a support four 102, and the solder wire feeding mechanism two includes a stocker two 103 which is rotatably arranged on the support three 101 for storing solder and is rotatably arranged on the support four 102 for conveying The third pressing roller assembly 104 for the solder wire, the third pressing roller assembly 104 includes an upper pressing roller three 105 and a lower pressing roller three 106 which rotate relatively. The bracket four 102 is provided with a servo motor four for driving the rotation of the lower pinch roller three 106, and the rotation of the lower pinch roller three 106 drives the rotation of the upper pinch roller three 105 to realize the delivery of the solder wire. Between the stocker 2 103 and the pinch roller assembly 3 104 and between the pinch roller assembly 3 104 and the welding mechanism 2, there are delivery pipes 3 107 for the solder wire to pass through, which can support and guide the solder wire It can prevent the solder wire from hanging down on the workbench 1 and affect the processing of other devices.

As shown in Fig. 1, Fig. 3 and Fig. 22, the welding mechanism two includes a heater two 108 arranged between the turntable one 5 and the turntable two 17 and below the second wire, and the heater two 108 upper end. The tin tank 2 109 melts the solder wire, and dips the tin liquid onto the pre-welded part of the PTC ceramic heating element to realize soldering. The PTC ceramic heating element has been stained with flux through the flux feeding device 2 13, and the outer end of the second wire has been stained with flux through the flux feeding device 3 21, which is helpful for the PTC ceramic heating element to be connected with the second wire. Soldering between wires.

As shown in Figures 1 to 3, the blanking device 14 includes a conveyor belt 110 arranged on the workbench 1 and a drive mechanism 19 for driving the conveyor belt 110 to transmit, the drive mechanism 19 can be set to a servo motor 5, and the conveyor belt 110 is set Below the turntable one 5 , and the conveyor belt 110 is arranged between the wire feeding device one 7 and the wire installing device 115 . Finished products after processing and assembling are dropped onto the conveyor belt 110 for transmission, which is convenient for subsequent collection and arrangement.

As shown in Figure 1 and Figure 23, in order to avoid installation failure at the wire installation device 115, the second wire is also clamped on the clamping mechanism 18, and under the rotation of the turntable 17, the second wire that has not been assembled The wire is brought back to the wire feeding device 2 19, which affects the processing. The workbench 1 is provided with a fixed seat 111 corresponding to the clamping mechanism 2 18, and the wire recovery device 113 is arranged on the fixed seat 111 and is connected to the fixed seat 111. The jaw four 112 opposite to the second wire, and the driver four for driving the jaw four 112 to clamp the second wire, the driver four can be set as a finger cylinder, and the fixed seat five 111 is provided with a clamp for clamping Claw four 112 drive mechanism 20 toward the second wire direction motion. Driven by the driving mechanism 20, the clamping claw 4 112 pulls off the clamped second wire for recovery, ensuring that there is no second wire on the clamping mechanism 18 at the wire feeding device 2 19, Guarantee the processing of wire processing stations 2 and 3.

As shown in Figure 1, in this embodiment, a cam assembly is provided below the workbench 1, a driving mechanism 1, a driving mechanism 2, a driving mechanism 3, a driving mechanism 4, a driving mechanism 5, a driving mechanism 6, a driving mechanism 7, Drive 8, Drive 9, Drive 10, Drive 11, Drive 12, Drive 13, Drive 14, Drive 15, Drive 17, Drive 18, and Drive 2 The ten poles are respectively connected with the cam components to realize the driving and realize the reasonable layout of the space. As another solution, a servo motor or an air cylinder can also be used as the driving mechanism.

The embodiment of the utility model has been described in detail above in conjunction with the accompanying drawings, but the utility model is not limited to the above embodiment, and for those of ordinary skill in the art, some modifications and improvements can be made without departing from the premise of the utility model , these should also be regarded as belonging to the protection scope of the present utility model.

Claims (14)

1. PTC ceramic heating element automatic welding machine, including a workbench (1), characterized in that the workbench (1) is respectively provided with a wire processing station one (2) and a wire processing station two (3), Between the wire processing station one (2) and the wire processing station two (3), there is a connection station (4) between the wire and the PTC ceramic heating element, and the wire processing station one (2) is set There is a turntable one (5) and a driving mechanism one for driving the turntable one (5) to rotate, and the outer edge of the turntable one (5) is provided with a clamp for clamping the first wire along its circumferential direction Mechanism one (6), the workbench (1) is sequentially provided with wire feeding device one (7), wire stripping device one (8), flux feeding device Device 1 (9), PTC ceramic heating element installation device (10), PTC ceramic heating element turning device (11), wire shifting device (12), flux feeding device 2 (13) and feeding device (14) An inductor 1 (15) is arranged between the wire feeding device 1 (7) and the wire stripping device 1 (8), and the PTC ceramic heating element installation device (10) and the PTC ceramic heating device An inductor 2 (16) is arranged between the body turning device (11), and the wire processing station 2 (3) is provided with a turntable 2 (17) and a driving mechanism for driving the turntable 2 (17) to rotate Two, the outer edge of the second turntable (17) is provided with a clamping mechanism two (18) for clamping the second wire along its circumferential direction, and the upper edge of the turntable (1) is ) is provided with wire feeding device two (19), wire stripping device two (20), flux feeding device three (21) and wire recovery device (113), the wire feeding device two ( 19) An inductor three (114) is set between the wire stripping device two (20), and a wire installation device (115) is set on the connecting station (4) between the wire and the PTC ceramic heating element. An inductor four (22) is arranged between the wire installation device (115) and the wire recovery device (113). 2. The PTC ceramic heating element automatic welding machine according to claim 1, characterized in that, the clamping mechanism one (6) includes mounting blocks sequentially arranged on the outer edge of the turntable one (5) along the circumferential direction One (23), and the first clamp (24) and the second clamp (25), which are oppositely arranged and respectively hinged with the first installation block (23), the lower end of the first clamp (24) is set as the clamping part one ( 26), the clamping part one (26) is inclined toward the clamping part two (25), the lower end of the clamping part two (25) is set as the clamping part two (27), and the clamping part two (27) faces The direction of clamp one (24) is inclined, the upper end of clamp one (24) is set as connection part one (28), the upper end of clamp two (25) is set as connection part two (29), and the connection part one ( 28) There is an elastic part 1 (30) between the connecting part 2 (29), the wire feeding device 1 (7), the PTC ceramic heating element turning device (11), the wire shifting device ( 12) and the wire cutting device (14) are provided with a control device one (31) for controlling the opening and closing of the clamping mechanism one (6), and the control device one (31) includes a The drive mechanism 3 for longitudinal driving on the platform (1) and the compression rod 1 (32) arranged at the output end of the drive mechanism 3 along the longitudinal direction, the lower end of the compression rod 1 (32) is connected with the elastic member 1 (30) corresponds. 3. The PTC ceramic heating element automatic welding machine according to claim 2, characterized in that, the clamping mechanism 2 (18) includes clamps 3 sequentially arranged on the upper surface of the turntable 2 (17) along the circumferential direction (33) and the clamp four (34) arranged above the clamp three (33), the second turntable (17) is provided with a through hole for the clamping rod (35) to pass through along its own axial direction. The through holes are sequentially distributed along the circumferential direction of the turntable 2 (17) and correspond to the clamp 4 (34), and the upper end of the clamping rod (35) is connected with the clamp 4 (34). The lower end of the clamping rod (35) is covered with a fastener (36), and an elastic member 2 (37) is arranged between the fastener (36) and the lower surface of the turntable 2 (17). The wire feeding device 2 (19), the wire installation device (115) and the wire recovery device (113) are all equipped with a control device 2 (38) for controlling the opening and closing of the clamping mechanism 2 (18), The control device 2 (38) includes a drive mechanism 4 arranged under the turntable 2 (17) for longitudinal driving and a compression rod 2 (39) arranged at the output end of the drive mechanism 4 along the longitudinal direction. The upper end of the tight rod two (39) corresponds to the lower end of the clamping rod (35). 4. The PTC ceramic heating element automatic welding machine according to claim 2, characterized in that the wire feeding device one (7) includes a wire feeding mechanism and a wire cutting mechanism, and the workbench (1) is provided with The first fixed seat (40) and the fifth driving mechanism for driving the first fixed seat (40) to move horizontally along the wire conveying direction, the wire feeding mechanism includes a tensioning wheel arranged on the first fixed seat (40) assembly (41) and pressure roller assembly one (42), and the pressure roller assembly one (42) is arranged between the tension wheel assembly (41) and the wire cutting mechanism, the pressure roller Component 1 (42) includes upper pinch roller 1 (43) and lower pinch roll 1 (44) which rotate relatively. Between the pinch roller assembly one (42) and the wire cutting mechanism, there is a conveying pipe one (45) for the wire to pass through, and the wire cutting mechanism includes upper movable knives one (46) respectively corresponding to the wires and the lower moving knife one (47), the workbench (1) is provided with a driving mechanism six, and the output end of the driving mechanism six is provided with a connecting frame one (48) for fixing the upper moving knife one (46). ) and connecting frame two (49) for fixing the lower movable knife one (47), and the driving mechanism six is used for driving the connecting frame one (48) and connecting frame two (49) to move toward each other. 5. PTC ceramic heating element automatic welding machine according to claim 4, is characterized in that, described wire cutting mechanism is provided with wire inner end wire stripping mechanism toward the side of described wire feeding mechanism, and described wire inner end strips The wire mechanism includes upper movable knife two (50) and lower movable knife two (51) respectively corresponding to the wires, the upper movable knife two (50) is also fixed on the connecting frame one (48), and the The height of the lower end of the upper movable knife 2 (50) is higher than the height of the lower end of the upper movable knife 1 (46), and the lower movable knife 2 (51) is also fixed on the connecting frame 2 (49), and the The height of the upper end of the lower movable knife 2 (51) is lower than that of the upper end of the upper movable knife 1 (46), and the wire inner end stripping mechanism also includes an air blowing tube corresponding to the lower movable knife 2 (51) (52), a recovery barrel 1 (53) is provided under the lower movable knife 2 (51), and a wire positioning mechanism 1 is provided on the side of the wire cutting mechanism away from the wire feeding mechanism, and the wire positioning mechanism One includes an upper positioning plate one (54) and a lower positioning plate one (55) respectively corresponding to the wires, the upper positioning plate one (54) is provided with a groove one (56) facing one side of the wires, and the lower positioning plate one (54) Positioning plate one (55) is provided with a groove two (57) corresponding to the groove one (56) on one side facing the wire, and the workbench (1) is provided with a drive for driving the upper positioning plate one. (54) and the said lower positioning plate one (55) do relative motion driving mechanism seven. 6. The PTC ceramic heating element automatic welding machine according to claim 2, characterized in that the first wire stripping device (8) includes a wire outer end stripping mechanism and a wire positioning mechanism two, and the workbench (1 ) is provided with a fixed seat 2 (58) and a drive mechanism 8 for driving the fixed seat 2 (58) to move horizontally toward the wire, and the outer end stripping mechanism of the wire includes an upper movement corresponding to the wire respectively. Knife three (59) and lower moving knife three (60), the bottom of the lower moving knife three (60) is provided with a recovery cylinder two (61), and the fixed seat two (58) is provided with a driving mechanism nine, so The output end of the driving mechanism 9 is provided with a connecting frame three (62) for fixing the upper moving knife three (59) and a connecting frame four (63) for fixing the lower moving knife three (60). The driving mechanism nine is used to drive the connecting frame three (62) and the connecting frame four (63) to move in opposite directions, and the wire positioning mechanism two includes the upper positioning plate two (64) and the lower positioning plate two corresponding to the wires respectively. (65), the upper positioning plate two (64) is provided with a groove three on one side facing the wire, and the lower positioning plate two (65) is provided with a concave groove corresponding to the third groove on one side facing the wire Slot four, the workbench (1) is provided with a driving mechanism ten for driving the upper positioning plate two (64) and the lower positioning plate two (65) to perform relative motion. 7. The PTC ceramic heating element automatic welding machine according to claim 2, characterized in that, the flux feeding device one (9) includes a storage tank one (68) for placing flux and a storage tank for dipping Sponge one (69) dipped in flux, the storage tank one (68) is set under the wire, the sponge one (69) is set in the storage tank one (68), the working The table (1) is provided with a driving mechanism eleven for longitudinal driving, and the output end of the driving mechanism eleven is provided with a connecting frame five (70) for fixing the sponge one (69). 8. The PTC ceramic heating element automatic welding machine according to claim 2, characterized in that, the PTC ceramic heating element installation device (10) includes a PTC ceramic heating element feeding mechanism, a solder wire feeding mechanism 1 and a welding mechanism 1. The PTC ceramic heating element feeding mechanism includes a vibrating plate (71) for placing the PTC ceramic heating element and a linear feeder (72) arranged at the outlet of the vibrating plate (71). One end of the feeder (72) facing the vibration plate (71) is provided with an inductor five (118) corresponding to the PTC ceramic heating element, and the workbench (1) is respectively provided with a support one (73) and a support two ( 116), the first solder wire feeding mechanism includes a stocker one (117) which is rotatably arranged on the first bracket (73) for storing solder and is arranged on the second bracket (116) for transferring solder The second pinch roller assembly (74) of the wire, the second pinch roller assembly (74) includes the upper pinch roll two (75) and the lower pinch roll two (76) that rotate relatively, and the stocker one ( 117) and the pressure roller assembly 2 (74) and between the pressure roller assembly 2 (74) and the welding mechanism 1 are provided with a delivery pipe 2 (77) for the solder wire to pass through, The welding mechanism one includes a heater one (78) arranged under the clamping mechanism one (6) and corresponding to the wire, and a tin holding tank one (79) arranged on the upper end of the heater one (78) ), a second storage tank (80) for placing flux and a second sponge (81) for dipping flux are arranged between the first tin tank (79) and the linear feeder (72), The workbench (1) is provided with a driving mechanism twelve for driving the second sponge (81) to move along the longitudinal direction in the second storage tank (80). 9. The PTC ceramic heating element automatic welding machine according to claim 8, characterized in that, a wire positioning mechanism three is arranged between the welding mechanism and the clamping mechanism one (6), and the wire positioning mechanism three It includes an upper positioning plate three (82) and a lower positioning plate three (83) respectively corresponding to the wires on the clamping mechanism one (6), and the upper positioning plate three (82) has grooves on one side facing the wires Fifth, the lower positioning plate 3 (83) has a groove 6 corresponding to the groove 5 on the side facing the wire, and the workbench (1) is provided with a device for driving the upper positioning plate 3 ( 82) and the lower positioning plate three (83) to do relative movement of the driving mechanism thirteen, the end of the linear feeder (72) facing the end of the clamping mechanism one (6) is provided with a discharge groove (86), the One end of the discharge chute (86) is connected to the linear feeder (72), the other end of the discharge trough (86) is provided with a baffle (87), and the linear feeder (72) is provided with The limiter (121) that is in contact with the upper surface of the PTC ceramic heating element, and the distance between the limiter (121) and the baffle (87) is the length of a PTC ceramic heating element. The top of the trough (86) is provided with a jaw one (88) and a driver for driving the jaw one (88) to clamp the PTC ceramic heating element. The jaw one (88) can be driven Driven by mechanism 14, it moves longitudinally or horizontally. 10. The PTC ceramic heating element automatic welding machine according to claim 2, characterized in that, the workbench (1) is provided with a fixed seat three (89) corresponding to the clamping mechanism one (6) , the PTC ceramic heating element overturning device (11) includes jaws two (90) arranged on the fixing seat three (89) and opposite to the PTC ceramic heating element, and used to drive the jaws two (90) The drive part two for clamping the PTC ceramic heating element, the fixing seat three (89) is provided with a mounting hole along the axial direction of the wire for the shaft (91) to pass through, and the shaft (91) One end of the two jaws (90) is connected, and the other end of the rotating shaft (91) is provided with a driving mechanism fifteen for driving the rotating shaft (91) to move in the direction of the clamping mechanism one (6). The fixed seat three (89) is provided with a driving mechanism sixteen for driving the rotating shaft (91) to rotate, the output end of the driving mechanism sixteen is provided with a pulley one (92), and the rotating shaft (91) is covered There is a second pulley (93), a belt (94) is arranged between the first pulley (92) and the second pulley (93), and a groove is opened on the inner wall of the second pulley (93) along its axial direction , and the grooves are distributed along the circumferential direction of the pulley 2 (93), the shaft (91) is provided with protrusions corresponding to the grooves along its own axial direction, and the protrusions are arranged along the shaft (91) distributed in the circumferential direction. 11. The PTC ceramic heating element automatic welding machine according to claim 2, characterized in that, the workbench (1) is provided with a fixed seat four (95) corresponding to the clamping mechanism one (6) , the wire displacement device (12) includes a jaw three (96) arranged on the fixed seat four (95) and corresponding to the PTC ceramic heating element, and used to drive the jaw three ( 96) The drive part 3 for clamping the PTC ceramic heating element, and the fixing seat 4 (95) is provided with a driving mechanism 17 for driving the jaw 3 (96) to move toward the PTC ceramic heating element. 12. The PTC ceramic heating element automatic welding machine according to claim 3, characterized in that, the wire installation device (115) includes a wire positioning mechanism 4, a solder wire feeding mechanism 2 and a welding mechanism 2, and the wire positioning mechanism Mechanism 4 includes an upper positioning plate 4 (97) and a lower positioning plate 4 (98) respectively corresponding to the wires on the clamping mechanism 2 (18), and the upper positioning plate 4 (97) is opened with a Groove seven, the side of the lower positioning plate four (98) facing the wire is provided with a groove eight corresponding to the groove seven, and the workbench (1) is provided with a Four (97) and the lower positioning plate four (98) do relative movement of the drive mechanism eighteen, the workbench (1) is respectively provided with three brackets (101) and four brackets (102), the solder wire feeding Mechanism 2 includes stocker 2 (103) rotatably arranged on the support 3 (101) for storing solder and pressure roller assembly 3 ( 104), the pressure roller assembly three (104) includes a relatively rotating upper pressure roller three (105) and a lower pressure roller three (106), the stocker two (103) and the pressure roller A delivery pipe three (107) for solder wire to pass is arranged between the third assembly (104) and between the pressure roller assembly three (104) and the second welding mechanism. The second welding mechanism includes a The second heater (108) arranged between the first turntable (5) and the second turntable (17) and under the wire, and the second tin tank (109) arranged at the upper end of the second heater (108) . 13. The PTC ceramic heating element automatic welding machine according to claim 2, characterized in that, the unloading device (14) includes a conveyor belt (110) set on the workbench (1) and a conveyor belt (110) for driving the The nineteenth driving mechanism for the transmission of the conveyor belt (110), the conveyor belt (110) is set under the turntable one (5), and the conveyor belt (110) is set between the wire feeding device one (7) and the between the wire installations (115). 14. The PTC ceramic heating element automatic welding machine according to claim 3, characterized in that, the workbench (1) is provided with a fixed seat five (111) corresponding to the clamping mechanism two (18) , the wire recovery device (113) includes jaws four (112) arranged on the fixed seat five (111) and opposite to the wires, and used to drive the jaws four (112) to clamp the wires The drive part four, the five fixed seat (111) is provided with a drive mechanism twenty for the four jaws (112) to move toward the direction of the wire.

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