CN114798826A

CN114798826A - Automatic bending equipment for production of movable contact spring on relay

Info

Publication number: CN114798826A
Application number: CN202210320913.6A
Authority: CN
Inventors: 卢国强
Original assignee: Shenzhen Yougen Technology Co ltd
Current assignee: Shenzhen Yougen Technology Co ltd
Priority date: 2022-01-14
Filing date: 2022-03-29
Publication date: 2022-07-29
Anticipated expiration: 2042-03-29
Also published as: CN114798826B

Abstract

The invention discloses automatic bending equipment for producing a movable reed on a relay, which sequentially comprises a loading platform, a first bending platform, a second bending platform and a turnover platform, wherein clamping components for clamping the movable reed are respectively arranged on the loading platform, the first bending platform and the second bending platform; after the movable spring is bent by the front bending device on the first bending platform and the side bending device on the second bending platform, the movable spring is transferred to the turning platform to be turned, so that the flat area of the bent movable spring faces to the right upper side for being grabbed by a manipulator of the next procedure. The invention can realize automatic bending of the movable reed, sequentially and synchronously realize the front bending and the side bending of the movable reed, has less artificial interference factors of the operation form, higher efficiency and higher product stability.

Description

Automatic bending equipment for production of movable contact spring on relay

Technical Field

The invention relates to the technical field of relay production, in particular to automatic bending equipment for producing a movable contact spring on a relay.

Background

The relay belongs to accurate apparatus, is the important component part among the electrical control, and its inside movable contact Spring (SCC) production need guarantee that the defective rate is less than 0.01%, has adopted the mode of manual work and semi-automatic operation among the prior art, and the product production process needs more manpower, and the quality is influenced by the human factor greatly.

Disclosure of Invention

The invention aims to reduce the influence of human factors on the production of the movable reed in the relay, adopts a full-automatic operation mode, avoids the intervention of operators, reduces the reject ratio of products and reaches the unified manufacturing standard, so the invention provides automatic bending equipment for the production of the movable reed on the relay.

The technical scheme adopted by the invention is as follows:

the automatic bending equipment for producing the movable spring on the relay sequentially comprises a loading platform, a first bending platform, a second bending platform and a turnover platform, wherein clamping components for clamping the movable spring are respectively arranged on the loading platform, the first bending platform and the second bending platform, a front bending device for bending the front side of the movable spring is arranged above the first bending platform, and a side bending device for bending the side surface of the movable spring is arranged above the second bending platform; the warp openly on the first platform of buckling beat the song device with the second is beaten the side on the bent platform and is beaten the song device respectively right after the movable contact spring is beaten the song, transport extremely overturn on the upset platform, make beat after the song the level and smooth region of movable contact spring is towards directly over.

Preferably, the loading platform, the first curving platform, the second curving platform and the overturning platform are located on the same straight line, and the front curving device and the side curving device synchronously act on the movable reed on the corresponding curving platform.

Furthermore, still be equipped with the transfer manipulator that the clamping jaw was parallelly connected to the setting in beating the bent equipment, cargo platform, first platform, second platform and the upset platform of beating the bent of forming the equidistant range between, and its interval with the interval that forms between the three clamping jaws in the transfer manipulator keeps unanimous, the three clamping jaws on the transfer manipulator be used for with cargo platform, first platform, the second platform of beating the bent synchronous clamp of the movable reed that corresponds get on the platform, and will the second beat the movable reed on the platform of bent move to on the upset platform, will the movable reed on the first platform of beating move to on the second platform of beating the bent, will the movable reed on the cargo platform moves to on the first platform of beating the bent.

Furthermore, the overturning platform comprises an overturning rack, and a linear cylinder, a gear, a rack and an overturning platform which are positioned on the overturning rack, wherein a sliding groove I is formed in the upper end of the overturning rack, the rack is slidably arranged in the sliding groove I, and a driving rod of the linear cylinder is fixedly connected with one end of the rack and is used for driving the rack to slide back and forth along the sliding groove I; the roll-over table with the rack is perpendicular setting, its include the roll-over roll with set up in the supporting seat at roll-over roll both ends, the roll-over roll with the supporting seat is relative swivelling joint, the gear set up in the one end of roll-over roll, and rather than the below the rack forms the meshing, follows the shaping has a plurality of draw-in grooves that are used for placing the back movable reed of beating the song on the periphery of roll-over roll.

Furthermore, the clamping components on the first bending platform and the second bending platform are respectively a pneumatic clamping jaw, the second bending platform is further provided with a rotating cylinder for controlling the rotation of the pneumatic clamping jaw, and the rotating cylinder enables the pneumatic clamping jaw to rotate 180 degrees.

Further, the front side bending device and the side bending device comprise a vertical support, a sliding groove II, a linear driving cylinder, a trapezoidal sliding block, a fixed sleeve and a stamping rod, the bottom end of a top plate of the vertical support forms the horizontal sliding groove II, the trapezoidal sliding block is slidably arranged in the sliding groove II, a push rod of the linear driving cylinder is fixedly connected with the trapezoidal sliding block, the stamping rod vertically penetrates through the middle part of the fixed sleeve in a sliding manner, the upper end of the stamping rod is fixedly connected with the bottom of the sliding block, a reset spring for resetting the stamping rod is further arranged between the stamping rod and the fixed sleeve, and the fixed sleeve and the vertical support are relatively fixedly connected; the contact surfaces of the sliding blocks and the trapezoidal sliding blocks are respectively formed into a wedge-shaped surface, and the lower end of the stamping rod is provided with a stamping head which is arranged right above the two bending platforms; when the linear driving cylinder pushes the trapezoidal sliding block to move along the sliding groove II, the trapezoidal sliding block pushes the sliding block and the stamping rod to move downwards in the vertical direction.

The front bending device and the side bending device are arranged in parallel.

The angle of a wedge-shaped surface formed between the sliding block and the trapezoidal sliding block is smaller than 50 degrees.

The technical scheme of the invention has the following advantages:

A. according to the automatic bending equipment for the movable spring of the relay, provided by the invention, the automatic bending of the movable spring can be realized through the loading platform, the first bending platform and the second bending platform, the front bending and the side bending of the movable spring are sequentially and synchronously realized, the artificial interference factors of the operation form are less, the efficiency is higher, and the product stability is higher.

B. According to the invention, the rotary cylinder is arranged on the second bending platform, the movable reed which is subjected to bending can be turned, the movable reed is placed on the turning platform driven by the gear rack through the transfer manipulator, the bent movable reed can be placed through the clamping grooves on the turning roller, and the flat surface of the movable reed is upward after the movable reed is rotated for a certain angle through the turning roller, so that the movable reed subjected to bending can be conveniently taken away by the manipulator in the next process, and the problem that the bent movable reed is difficult to automatically grab due to the fact that the shape of the bent movable reed is strange is solved.

C. According to the invention, the movable reeds on the three platforms are synchronously transferred by the manipulators with the clamping jaws connected in parallel, so that the problem of transfer of the SCC among all stations is solved, the transfer efficiency is high, and the bending manufacture of the whole movable reed is more standardized.

D. The front bending device and the side bending device respectively adopt a wedge-shaped surface driving mode, a wedge-shaped surface is arranged on the lower end surface of the horizontally driven trapezoidal sliding block, and meanwhile, a wedge-shaped surface is also arranged on the side surface of the sliding block which is in contact with the wedge-shaped surface.

Drawings

In order to more clearly illustrate the embodiments of the present invention, the drawings which are needed to be used in the embodiments will be briefly described below, and it is apparent that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained from the drawings without inventive labor to those skilled in the art.

FIG. 1 is a schematic diagram of the general structure provided by the present invention;

FIG. 2 is a schematic view of the second platform and the rotary cylinder of FIG. 1;

FIG. 3 is a schematic view of the flipping platform of FIG. 1;

FIG. 4 is a perspective view of the structure of FIG. 1 with a side panel removed;

fig. 5 is a schematic structural view of the front-side bending device in fig. 4 (a partially opened state of the fixing sleeve);

fig. 6 is a schematic structural view of the trapezoidal slider in fig. 4.

The labels in the figure are as follows:

1-a carrier platform; 2-a first warping platform; 3-second song-making platform

4-overturning the platform; 5-a movable reed; 6-clamping part

7 a-front bending device, 7 b-side bending device,

71-vertical support, 711-top plate, 72-sliding groove I, 73-linear driving cylinder

74-trapezoidal slider, 75-slider, 76-fixture sleeve

77-punch rod, 78-return spring, 79-punch head

8-rotating cylinder

9-transferring the manipulator; 10-a base plate; 20-connecting rod

41-overturning rack 411-chute I

42-linear cylinder, 43-gear, 44-rack

45-overturning platform

451-turnover roller, 452-support seat

a-wedge faces.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1, the invention provides an automatic bending device for producing a movable reed on a relay, the bending device sequentially comprises a loading platform 1, a first bending platform 2, a second bending platform 3 and a turnover platform 4, the loading platform 1, the first bending platform 2 and the second bending platform 3 are respectively provided with a clamping part 6 for clamping the movable reed 5, a front bending device 7a for bending the front of the movable reed 5 is arranged above the first bending platform 2, and a side bending device 7b for bending the side of the movable reed 5 is arranged above the second bending platform 3; after the movable spring 5 is respectively bent by the front bending device 7a on the first bending platform 2 and the side bending device 7b on the second bending platform 3, the movable spring is transferred to the turning platform 4 to be turned, so that the flat area of the bent movable spring 5 faces to the right upper side.

The loading platform 1, the first bending platform 2, the second bending platform 3 and the overturning platform 4 which are preferably adopted in the invention are positioned on the same straight line, the front bending device 7a and the side bending device 7b synchronously act on the movable spring 5 on the corresponding bending platform, and the front and side bending of the movable spring can be carried out in sequence by adopting a mode of asynchronously controlling the front bending device and the side bending device.

In order to improve the transfer efficiency, the bending device is further provided with a transfer manipulator 9 with three parallel-connected clamping jaws, the distances among the object carrying platform 1, the first bending platform 2, the second bending platform 3 and the overturning platform 4 are kept consistent, the three clamping jaws on the transfer manipulator 9 are used for synchronously clamping the corresponding movable reeds 5 on the object carrying platform 1, the first bending platform 2 and the second bending platform 3, the movable reeds 5 on the second bending platform 3 are moved to the overturning platform 4, the movable reeds 5 on the first bending platform 2 are moved to the second bending platform 3, and the movable reeds 5 on the object carrying platform 1 are moved to the first bending platform 2, the transfer manipulator 9 with the three-clamping-jaw structure can adopt the existing multi-station manipulator, and the specific structure is not repeated. Preferably, a transfer manipulator with three clamping jaws connected in parallel is adopted, when the movable spring pieces on the two bending platforms are bent, the movable spring pieces to be bent, the primary bending movable spring pieces and the secondary bending movable spring pieces are transferred synchronously, and meanwhile, the manipulator of the next procedure is adopted to transfer the finished bending movable spring pieces on the overturning platform.

The working process of the song making equipment provided by the invention is as follows.

(1) The front side bending device is controlled to perform front side bending on the movable spring pieces arranged on the first bending platform, the side bending device is controlled to perform side bending on the second bending platform below the side bending device (the movable spring pieces on the side bending device are subjected to front side bending), and the front side bending device and the side bending device can adopt a synchronous or asynchronous control mode.

(2) The movable spring leaf which is turned over and is bent is taken away by the manipulator,

(3) the movable reeds on the loading platform, the first bending platform and the second bending platform are translated by adopting a transfer manipulator with three clamping jaws and are sequentially transferred to the first bending platform, the second bending platform and the overturning platform; of course, the transfer operation may be performed one by using the corresponding manipulators.

(4) And meanwhile, the movable spring leaf to be bent is placed on the carrying platform through the mechanical arm.

(5) The above process is repeated.

As shown in fig. 3, the turning platform 4 used therein includes a turning rack 41, and a linear cylinder 42, a gear 43, a rack 44 and a turning table 45 which are located on the turning rack 41, wherein a sliding slot I411 is provided on an upper end surface of the turning rack 41, the sliding slot I411 is preferably in a dovetail groove structure form, the rack 44 is slidably inserted into the sliding slot I411, the linear cylinder 42 is provided on one side of the turning rack 41, a driving rod thereof is fixedly connected with one end of the rack 44, and the driving rod can be extended and retracted to push or pull the driving rack 44 to slide back and forth along the sliding slot I411; the overturning platform 45 is vertically arranged with the rack 44, and comprises an overturning roller 451 and supporting seats 452 arranged at two ends of the overturning roller 451, the overturning roller 451 and the supporting seats 452 are in relative rotation connection, the supporting seat 452 may be a bearing seat with a bearing, a gear 43 is provided at one end of the turning roller 451, and is engaged with a rack 44 therebelow, a plurality of strip-shaped clamping grooves 4511 for placing the bent movable spring 5 are formed on the circumferential surface of the turnover roller 451, because the shape of the bent movable spring 5 is irregular, when the bent movable spring is placed on the turnover roller, the movable spring can be completely attached to the clamping grooves to control the linear cylinder to stretch and retract, so that the rack can linearly slide back and forth, the gear and the turnover roller are driven to synchronously rotate, so that the movable spring leaf placed on the gear and the turnover roller rotates for a certain angle, and the flat area on the movable spring leaf is upward, so that the manipulator in the next process can be conveniently taken; then the turning roller is controlled to reset, the next bending movable spring leaf is placed, and the manipulator executes the taking action after the turning roller rotates for a certain angle repeatedly.

The clamping parts 6 on the first bending platform 2 and the second bending platform 3 are respectively a pneumatic clamping jaw, as shown in fig. 2, the second bending platform 3 is also provided with a rotary cylinder 8 for controlling the pneumatic clamping jaw to rotate, the rotary cylinder 8 enables the pneumatic clamping jaw to rotate 180 degrees, namely the state of completing secondary bending of the movable spring leaf is overturned 180 degrees in the drawing, and the movable spring leaf is conveniently moved to an upper clamping groove of the overturning roller to be placed.

As shown in fig. 4, 5 and 6, the front-side bending device 7a and the side-side bending device 7b adopted in the present invention are preferably arranged in parallel, have the same structure, and only have different shapes of the punching heads at the lower ends thereof, and include a vertical bracket 71, a sliding groove II72, a linear driving cylinder 73, a trapezoidal slider 74, a sliding block 75, a fixed sleeve 76 and a punching rod 77, wherein a horizontal sliding groove II72 is formed at the bottom end of a top plate 711 of the vertical bracket 71, and the sliding groove II72 preferably has a dovetail groove structure, the trapezoidal slider 74 is slidably arranged in the sliding groove II72, and the pushing rod of the linear driving cylinder 73 and the trapezoidal slider 74 form a fixed connection, as shown in fig. 5, the upper portion of the fixed sleeve is in a fully opened state, and the internal structure thereof can be clearly shown. The punching rod 77 vertically slides to penetrate through a middle sleeve hole of the fixed sleeve 76, the upper end of the punching rod is connected with the bottom of the sliding block 75 through a series of connecting structures, meanwhile, a return spring 78 for returning the punching rod 77 is further arranged between the punching rod 77 and the fixed sleeve 76, the return springs 78 are positioned at two symmetrical sides of the punching rod 77, the fixed sleeve 76 is relatively fixedly connected with the vertical support 71 through the connecting rod 20 on the fixed sleeve 76, and the punching rod 77 can slide up and down in the fixed sleeve 76; as shown in fig. 5 and 6, a wedge-shaped surface a is respectively formed at the contact surface of the sliding block 75 and the trapezoidal sliding block 74, the lower ends of the two stamping rods 77 respectively form stamping heads 79 with different shapes for respectively realizing front and side stamping, and the two stamping heads 79 are respectively and correspondingly arranged right above the two stamping platforms; when the linear driving cylinder 73 pushes the trapezoidal slider 74 to move horizontally along the sliding groove II72, because the trapezoidal slider 74 and the slider 75 are in contact with each other by the wedge surface a, the horizontal movement of the trapezoidal slider 74 further pushes the slider 75 to move in the vertical direction, so as to further push the stamping rod 77 to move downwards in the vertical direction, the stamping head 79 at the lower end of the stamping rod aligns with the movable spring for front or side bending, after the bending is completed, the linear driving cylinder 73 drives the trapezoidal slider 74 to contract, and the return spring between the fixed sleeve and the stamping rod extends out, under the self-rebounding force of the return spring, the stamping rod is pushed to move upwards, the stamping head at the lower end of the stamping rod leaves the bending platform, the wedge surface between the trapezoidal slider 74 and the slider 75 is always in a contact state, the wedge surface angle formed between the slider 75 and the trapezoidal slider 74 is less than 50 °, and the invention preferably adopts the angle of less than 45 °, the wedge-shaped surface smaller than 45 degrees plays a role in speed reduction and pressure maintaining, and the bending force and the deformation are improved.

Nothing in the present invention applies to the prior art.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are intended to be within the scope of the invention.

Claims

1. The automatic bending equipment for producing the movable spring on the relay is characterized by comprising an object carrying platform (1), a first bending platform (2), a second bending platform (3) and a turnover platform (4), wherein clamping components (6) for clamping the movable spring (5) are respectively arranged on the object carrying platform (1), the first bending platform (2) and the second bending platform (3), a front bending device (7a) for bending the front of the movable spring (5) is arranged above the first bending platform (2), and a side bending device (7b) for bending the side of the movable spring (5) is arranged above the second bending platform (3); the warp openly on first song forging platform (2) beat bent device (7a) with side on the second song forging platform (3) beat bent device (7b) respectively to movable contact spring (5) beat the back of buckling, transport to overturn on upset platform (4), make after beating the song the level and smooth regional orientation of movable contact spring (5) is directly over.

2. The automatic bending equipment for producing the movable contact spring on the relay according to claim 1, wherein the loading platform (1), the first bending platform (2), the second bending platform (3) and the overturning platform (4) are positioned on the same straight line, and the front bending device (7a) and the side bending device (7b) synchronously act on the movable contact spring (5) on the corresponding bending platform.

3. The automatic bending device for producing the movable spring on the relay according to claim 2, wherein a transfer manipulator (9) with three parallel jaws is further arranged in the bending device, the loading platform (1), the first bending platform (2), the second bending platform (3) and the turning platform (4) are arranged at equal intervals, the intervals are consistent with the intervals formed among the three jaws in the transfer manipulator (9), the three jaws on the transfer manipulator (9) are used for synchronously clamping the corresponding movable springs (5) on the loading platform (1), the first bending platform (2) and the second bending platform (3), moving the movable springs (5) on the second bending platform (3) to the turning platform (4) and moving the movable springs (5) on the first bending platform (2) to the second bending platform (3), moving a movable spring (5) on the loading platform (1) to the first bending platform (2).

4. The automatic bending device for production of the movable contact spring on the relay is characterized in that the overturning platform (4) comprises an overturning rack (41), and a linear cylinder (42), a gear (43), a rack (44) and an overturning platform (45) which are arranged on the overturning rack (41), wherein a sliding groove I (411) is arranged at the upper end of the overturning rack (41), the rack (44) is slidably arranged in the sliding groove I (411), and a driving rod of the linear cylinder (42) is fixedly connected with one end of the rack (44) and used for driving the rack (44) to slide back and forth along the sliding groove I (411); overturning platform (45) with rack (44) are perpendicular setting, its including overturning roller (451) with set up in supporting seat (452) at overturning roller (451) both ends, overturning roller (451) with supporting seat (452) are relative swivelling joint, gear (43) set up in the one end of overturning roller (451), and rather than the below rack (44) form the meshing, follow the shaping has a plurality of draw-in grooves (4511) that are used for placing after beating bent movable reed (5) on the periphery of overturning roller (451).

5. The automatic bending equipment for producing movable contact springs on relays according to claim 1, wherein the clamping components (6) on the first bending platform (2) and the second bending platform (3) are respectively pneumatic clamping jaws, the second bending platform (3) is further provided with a rotating cylinder (8) for controlling the rotation of the pneumatic clamping jaws, and the rotating cylinder (8) enables the pneumatic clamping jaws to rotate 180 degrees.

6. The automatic bending device for producing the movable contact spring on the relay according to any one of claims 1 to 5, wherein the front bending device (7a) and the side bending device (7b) comprise a vertical bracket (71), a sliding groove II (72), a linear driving cylinder (73), a trapezoidal sliding block (74), a sliding block (75), a fixed sleeve (76) and a stamping rod (77), the bottom end of a top plate (711) of the vertical bracket (71) forms a horizontal sliding groove II (72), the trapezoidal sliding block (74) is slidably arranged in the sliding groove II (72), a pushing rod of the linear driving cylinder (73) is fixedly connected with the trapezoidal sliding block (74), the stamping rod (77) vertically slides through the middle of the fixed sleeve (76), and the upper end of the stamping rod is fixedly connected with the bottom of the sliding block (75), a return spring (78) for resetting the stamping rod (77) is further arranged between the stamping rod (77) and the fixed sleeve (76), and the fixed sleeve (76) and the vertical support (71) are in relatively fixed connection; the contact surfaces of the sliding blocks (75) and the trapezoidal sliding blocks (74) are respectively formed into a wedge-shaped surface, and the lower end of the stamping rod (77) is provided with a stamping head (79) which is arranged right above the two bending platforms; when the linear driving air cylinder (73) pushes the trapezoidal sliding block (74) to move along the sliding groove II (72), the trapezoidal sliding block (74) pushes the sliding block (75) and the stamping rod (77) to move downwards in the vertical direction.

7. The automatic bending device for producing movable contact springs on relays according to claim 6, characterized in that the front bending device (7a) and the side bending device (7b) are arranged in parallel.

8. The automatic bending device for producing movable contact springs on relays according to claim 6, wherein the wedge-shaped surface angle formed between the sliding block (75) and the trapezoidal sliding block (74) is less than 50 °.