CN218253314U - PPTC chip welding machine - Google Patents

Abstract

The utility model discloses a PPTC chip bonding machine, it includes the organism, organism one end is equipped with the storage case, the organism middle part is equipped with heating device, the organism is equipped with conveyer along length direction, storage case cavity sets up, sliding connection has a plurality of pay-off frames in the storage case, the pay-off frame cross section is right angled triangle, the equal vertical distribution of pay-off frame is in the storage case, the opening that supplies the pay-off frame to remove is seted up to the one end of storage case, the higher one end of pay-off frame height all is located opening part and upper and lower butt, the outer fixedly connected with support frame of storage case, the support frame is equipped with the driving piece that the drive pay-off frame removed. This application has the assurance and removes the relative position of PPTC chip and template fixed in the basket, can store more removal basket in the storage box, extension staff's material loading cycle, and convenient and fast guarantees the effect of pay-off frame removal in-process stability.

Description

PPTC chip welding machine

Technical Field

The utility model belongs to the technical field of backward flow soldering tin machine technique and specifically relates to a PPTC chip bonding machine is related to.

Background

The PPTC, namely a high polymer positive temperature coefficient element, is also called a resettable fuse, and is mainly applied to overcurrent protection in the industries of batteries, computers, motors and communication, the resistance of the PPTC is increased in an overcurrent state, and the protection of a circuit is realized.

The related art can refer to chinese patent with publication number CN212682730U and disclose a reflow soldering furnace, which comprises a lower furnace body and an upper furnace body, a conveying mechanism is arranged between the lower furnace body and the upper furnace body, a feed inlet is arranged at the bottom of one end of the upper furnace body, a discharge outlet is arranged at the bottom of the other end of the upper furnace body, a heating chamber and a cooling chamber are formed between the lower furnace body and the upper furnace body, a first air suction hood is arranged at one end of the inside of the heating chamber close to the feed inlet, a wind-heat component is arranged inside the heating chamber, a second air suction hood is arranged at one end of the inside of the cooling chamber close to the discharge outlet, an air cooling component is arranged inside the cooling chamber, a gas purification box is arranged at one side of the top end of the upper furnace body, the gas purification box is connected with the first air suction hood through a first air pump, and the gas purification box is connected with the second air suction hood through a second air pump.

Aiming at the related technologies, the PPTC chip is welded, a chip plate and positive and negative plates need to be assembled manually before the PPTC chip is welded, solder paste is added among the PPTC chip, the template provided with the PPTC chip is placed on a conveying mechanism of a reflow oven after the assembly is completed, the feeding process needs manual participation at any time, and the assembly is inconvenient.

SUMMERY OF THE UTILITY MODEL

The PPTC chip welding machine is convenient and rapid to feed, and comprises a welding head, a welding head and a welding head.

The application provides a PPTC chip welding machine, which adopts the following technical scheme:

the utility model provides a PPTC chip bonding machine, which comprises a bod, organism one end is equipped with the storage case, the organism middle part is equipped with heating device, the organism is equipped with conveyer along length direction, storage case cavity sets up, sliding connection has a plurality of pay-off framves in the storage case, the pay-off frame cross section is right angled triangle, the equal vertical distribution of pay-off frame is in the storage case, the opening that supplies the pay-off frame to remove is seted up to the one end of storage case, the higher one end of pay-off frame height all is located opening part and upper and lower butt, the outer fixedly connected with support frame of storage case, the support frame is equipped with the driving piece that the drive pay-off frame removed.

By adopting the technical scheme, a plurality of movable baskets provided with workpieces and templates are sequentially placed in the storage box, the driving piece drives the feeding frame to sequentially move from the opening to the outside of the storage box from top to bottom, the movable baskets are obliquely placed on the upper end surface of the feeding frame and move downwards along with the movement of the feeding frame, when the feeding frame completely moves to the outside of the storage box, the movable baskets are in contact with the feeding frame on the next layer and are born by the feeding frame on the next layer, the movable baskets are sequentially and downwards transmitted by the feeding frame until being transmitted to the bottom of the storage box, the movable baskets on the lowest layer are transmitted by the transmission device, the movable baskets enter the heating device to complete welding, the movable baskets are sequentially transmitted by the feeding frame, the vibration generated in the process of placing the movable baskets in the storage box is reduced, the relative positions of PPTC chips and the templates in the movable baskets are fixed, more movable baskets can be stored in the storage box, and the feeding period of workers is prolonged.

Optionally, the driving part includes a first rotating rod, a second rotating rod, a first gear, a plurality of second gears and a plurality of double-sided toothed racks, the feeding frame is fixedly connected with the corresponding double-sided toothed racks, the first rotating rod is fixedly connected with the first gear, the second gear is fixedly connected with the second rotating rod, the second gears are uniformly distributed along the height direction of the second rotating rod, the first rotating rod is rotatably connected with a moving block, the support frame is fixedly connected with a first cylinder, the output end of the first cylinder is fixedly connected with the moving block, the second rotating rod is rotatably connected with a sliding block, the support frame is fixedly connected with a second cylinder, and the output end of the second cylinder is fixedly connected with the sliding block.

By adopting the technical scheme, the first cylinder drives the moving block to move, so that the first rotating rod and the first gear move in the vertical direction, the first gear is sequentially meshed with the double-sided teeth rack from top to bottom, the feeding frames are sequentially moved, the second gear is meshed with all the double-sided teeth racks, all the feeding frames are reset simultaneously, and convenience and rapidness are achieved.

Optionally, the storage case fixedly connected with has a plurality of backup pads, and the backup pad is located the opening both ends, and the distance between the backup pad is greater than the length of removing the basket.

Through adopting above-mentioned technical scheme, the backup pad provides the support for the pay-off frame, guarantees the stability of pay-off frame removal in-process.

Optionally, one end of the supporting plate, which is away from the material storage box, is in an arc shape bent downwards.

By adopting the technical scheme, the arc-shaped ends of the supporting plate can enable the movable basket to move downwards, and the movable basket is not easy to block by the supporting plate when the movable basket deflects, so that the movable basket is guaranteed to move downwards smoothly.

Optionally, conveyer includes two chains and two support rails, and two chains all set up along organism length direction, and the chain all is located corresponding support rail top, support rail all with organism fixed connection, a plurality of push rods of fixedly connected with between two chains.

Through adopting above-mentioned technical scheme, the chain removes and drives the push rod and remove, and the push rod is inconsistent with corresponding removal basket, and the template is arranged in removing the basket, and the push rod removes and then promotes and remove the basket and remove, realizes the conveying of template.

Optionally, the heating device comprises a heating box and two lifting frames, the lifting frames are respectively located on two sides of the heating box, and two ends of each lifting frame are respectively abutted to the corresponding supporting rails.

By adopting the technical scheme, the lifting frame moves up and down, when the movable basket moves to the lifting frame, the movable basket descends along with the lifting frame, the heating box heats the template in the movable basket, and welding of the PPTC chip on the template is completed.

Optionally, one end of the machine body, which is far away from the material storage box, is fixedly connected with a plurality of cooling air holes.

By adopting the technical scheme, the cooling air holes are communicated with the cooling air with lower temperature, and the cooling air cools the PPTC chip after welding is completed, so that the welding effect of the PPTC is ensured.

Optionally, the middle part of the machine body is hinged with a safety cover, and the safety cover is provided with a heat insulation layer.

By adopting the technical scheme, the safety cover is convenient for maintaining the heating device, the heat loss of the heating device during working can be reduced by the heat-insulating layer, and the heat-insulating effect of the machine body can be improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. placing a plurality of movable baskets provided with workpieces and templates in a storage box in sequence, driving a feeding frame to move from an opening to the outside of the storage box from top to bottom in sequence by a driving piece, placing the movable baskets on the upper end surface of the feeding frame in an inclined manner, enabling the movable baskets to move downwards along with the movement of the feeding frame, enabling the movable baskets to be in contact with the feeding frame on the next layer when the feeding frame moves out of the storage box completely, enabling the movable baskets to be supported by the feeding frame on the next layer, enabling the movable baskets to be transmitted downwards in sequence by the feeding frame until the movable baskets are transmitted to the bottom of the storage box, enabling the movable baskets on the lowest layer to be transmitted by a transmission device, enabling the movable baskets to enter a heating device to complete welding, enabling the feeding frame to transmit the movable baskets in sequence, reducing vibration generated in the process of placing the movable baskets in the storage box, ensuring that the relative positions of the PPTC chips and the templates in the movable baskets are fixed, storing more movable baskets in the storage box, and prolonging the feeding period of workers;

2. the first cylinder drives the moving block to move, so that the first rotating rod and the first gear move in the vertical direction, the first gear is meshed with the double-sided toothed racks sequentially from top to bottom, the sequential movement of the feeding racks is completed, the second gear is meshed with all the double-sided toothed racks, all the feeding racks are reset simultaneously, and the operation is convenient and fast;

3. the backup pad provides the support for the pay-off frame, guarantees the stability of pay-off frame removal in-process.

Drawings

Figure 1 is a schematic diagram of the overall structure of a PPTC die bonder.

FIG. 2 is a schematic sectional view of the magazine and the driver.

Fig. 3 is a schematic structural view of the first rotating lever.

Description of reference numerals: 1. a body; 2. a material storage box; 3. a heating device; 4. a conveying device; 21. a feeding frame; 22. an opening; 23. a support frame; 5. a drive member; 51. a first rotating lever; 52. a second rotating rod; 53. a first gear; 54. a second gear; 55. a double-sided toothed rack; 56. a moving block; 57. a first cylinder; 58. a slider; 59. a second cylinder; 24. a support plate; 41. a chain; 42. a support rail; 43. a movable basket; 44. a push rod; 31. a heating box; 33. a lifting frame; 11. cooling the air holes; 12. a safety cover; 121. and (7) an insulating layer.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses a PPTC chip welding machine.

Examples

Referring to fig. 1 and 2, a PPTC chip welding machine comprises a machine body 1, wherein a storage box 2 is arranged at one end of the machine body 1, the storage box 2 is arranged in a hollow mode, a plurality of movable baskets 43 provided with workpieces and templates are placed in the storage box 2 by workers, a conveying device 4 is arranged on the machine body 1 along the length direction, and the movable baskets 43 are conveyed to one end, close to the storage box 2, of the machine body 1 from one end, close to the storage box 2, of the machine body 1 to one end, far away from the storage box 2, of the machine body 4 in sequence. The middle of the machine body 1 is provided with a heating device 3, the heating device 3 heats a template which is moved to the middle, welding of a PPTC chip on the template is completed, one end of the machine body 1, which is far away from the material storage box 2, is provided with a plurality of cooling air holes 11, the welded PPTC chip is moved to the positions near the cooling air holes 11, the cooling air holes 11 are communicated with cooling air with lower temperature, the PPTC chip is cooled, and processing of the PPTC is completed.

Referring to fig. 1 and 2, sliding connection has a plurality of pay-off frames 21 in storage case 2, pay-off frame 21 cross section is right triangle, a plurality of backup pads 24 of storage case 2 fixedly connected with, backup pad 24 is located opening 22 both ends, and the distance between the backup pad 24 is greater than the length of removing basket 43, pay-off frame 21 sets up perpendicularly in storage case 2, pay-off frame 21 is located corresponding backup pad 24 respectively, backup pad 24 provides the support for pay-off frame 21, stability when guaranteeing pay-off frame 21 to remove. Opening 22 that supplies pay-off frame 21 to remove is seted up to the one end of storage case 2, and the higher one end of pay-off frame 21 all is located opening 22 department and upper and lower butt, and the lower one end of pay-off frame 21 height is located storage case 2 and keeps away from the one end of opening 22.

Referring to fig. 2 and 3, in an initial state, all the feeding frames 21 are located in the storage box 2, a small number of movable baskets 43 (see fig. 1) are placed on the topmost feeding frame 21 by a worker, the movable baskets 43 are all obliquely placed, the outer fixedly connected with supporting frame 23 of the storage box 2 is provided with a driving piece 5 for driving the feeding frames 21 to move, the driving piece 5 comprises a first rotating rod 51, a first gear 53 and a plurality of double-sided toothed racks 55, the feeding frames 21 correspond to the double-sided toothed racks 55 one to one, one end of each double-sided toothed rack 55 is fixedly connected with one end of the corresponding feeding frame 21 at the opening 22, the first rotating rod 51 is rotatably connected with a moving block 56, the supporting frame 23 is fixedly connected with a first cylinder 57, an output end of the first cylinder 57 is fixedly connected with the moving block 56, the first cylinder 57 drives the moving block 56 to move in the vertical direction, and further drives the first rotating rod 51 and the first gear 53 to move in the vertical direction.

Referring to fig. 2 and 3, in an initial state, the first gear 53 is engaged with the topmost double-sided rack 55, the moving block 56 is fixedly connected with the first motor, the output end of the first motor is fixedly connected with the first rotating rod 51, so that the first gear 53 rotates to drive the double-sided rack 55 to move, the double-sided rack 55 moves to move the topmost feeding frame 21 to one end of the opening 22, when the feeding frame 21 moves, the moving basket 43 (see fig. 1) placed on the feeding frame 21 moves downwards along with the movement of the feeding frame 21, one end of the moving basket 43 away from the opening 22 abuts against the inner wall of the storage box 2, the moving basket 43 moves downwards, when the feeding frame 21 moves to the lower end of the opening 22, the moving basket 43 moves downwards to contact with the upper end of the next feeding frame 21, the next feeding frame 21 supports the moving basket 43, and at this time, a small amount of the moving basket 43 is placed into the storage box 2 again by a worker.

Referring to fig. 2 and 3, the first cylinder 57 drives the moving block 56 to move downward, the first gear 53 is meshed with the next double-sided rack 55, the above process is repeated, after the moving basket 43 (see fig. 1) is transferred downward, the worker places a small amount of moving baskets 43 into the storage bin 2 again until the lowest feeding rack 21 is moved to the opening 22, at this time, a large amount of moving baskets 43 are stored in the storage bin 2, and the lowest moving basket 43 of the storage bin 2 falls on the conveyer 4. One end of the supporting plate 24 departing from the material storage box 2 is in an arc shape bent downwards, so that when the movable basket 43 moves downwards, the movable basket 43 is not easily blocked by the supporting plate 24, and the smooth downward movement of the movable basket 43 is ensured.

Referring to fig. 1 and 2, the conveying device 4 includes two chains 41 and two supporting rails 42, the two chains 41 are all disposed along the length direction of the machine body 1, the chains 41 are all located above the corresponding supporting rails 42, the supporting rails 42 are all fixedly connected with the machine body 1, two ends of a moving basket 43 at the lowest end of the storage box 2 are located on the supporting rails 42, a plurality of push rods 44 are fixedly connected between the two chains 41, the machine body 1 is fixedly connected with two driving motors which enable the two chains 41 to rotate synchronously, the driving motors work synchronously to drive the chains 41 to move, and further to enable the push rods 44 to move, the push rods 44 push the moving basket 43 to move towards the end far away from the storage box 2, so that the moving basket 43 at the lowest end of the storage box 2 moves along with the push rods 44, the moving basket 43 above the moving basket 43 then falls on the supporting rails 42, and moves along with the next push rod 44, so as to achieve automatic feeding, and prolong the feeding period of workers, and be more convenient and rapid.

Referring to fig. 1 and 2, the heating device 3 includes a heating box 31 and two lifting frames 33, the lifting frames 33 are respectively located on two sides of the heating box 31, two ends of each lifting frame 33 are abutted to corresponding supporting rails 42, in an initial state, the height of each lifting frame 33 is consistent with the height of each supporting rail 42, a push rod 44 pushes a movable basket 43 to move from the corresponding supporting rails 42 to the lifting frame 33, a driving motor stops working, the machine body 1 is fixedly connected with two lifting cylinders, output ends of the lifting cylinders are fixedly connected with the lifting frames 33, the lifting cylinders drive the lifting frames 33 to move downwards, the movable basket 43 moves downwards along with the lifting frames 33, the movable basket 43 enters the heating box 31, the heating box 31 heats a template in the movable basket 43, and after welding of PPTC chips on the template is completed, the lifting cylinders drive the lifting frames 33 and the movable basket 43 to move upwards together, and the driving motor works.

Referring to fig. 1 and 2, the driving motor works to make the push rod 44 push the movable basket 43 to move continuously, the welded push plate moves to one end of the machine body 1 away from the material storage tank 2 along with the movable basket 43, and cooling air is introduced from the cooling air hole 11 to cool. The middle part of the machine body 1 is hinged with a safety cover 12, the safety cover 12 is provided with a heat preservation layer 121, the safety cover 12 is convenient for maintaining the heating device 3, the heat of the heat preservation layer 121 can reduce the heat loss of the heating device 3 during working, and the improvement of the heat preservation effect of the machine body 1 is facilitated.

Referring to fig. 2 and 3, after the movable basket 43 (refer to fig. 1) in the storage box 2 is used, the operator stops driving the motor, and continuously prevents the movable basket 43 from moving into the storage box 2, the driving member 5 further includes a second rotating rod 52 and a plurality of second gears 54, the supporting frame 23 is fixedly connected with a second air cylinder 59, the second rotating rod 52 is rotatably connected with a sliding block 58, an output end of the second air cylinder 59 is fixedly connected with the sliding block 58, the second air cylinder 59 pushes the sliding block 58 to move, so as to push the second rotating rod 52 to move, the second gears 54 are uniformly distributed along the height direction of the second rotating rod 52, the height of the second gears 54 is consistent with the height of the corresponding double-sided toothed racks 55, the second rotating rod 52 moves to enable the second gears 54 to be engaged with the corresponding double-sided toothed racks 55, the sliding block 58 is fixedly connected with a second motor, an output shaft of the second motor is fixedly connected with the second rotating rod 52, the second rotating rod 52 drives the second rotating rod 52 and the second gears 54 to rotate, so as to enable all the storage racks 55 to move, all the storage racks 21 to be moved into the feeding frame 2, and reset of the feeding frame 21.

The implementation principle of the PPTC chip welding machine in the embodiment of the application is as follows: the worker places a plurality of movable baskets 43 provided with workpieces and templates in the storage box 2, in an initial state, the feeding frame 21 is located in the storage box 2, the first rotating rods 51 are sequentially meshed with the worm from top to bottom, the feeding frame 21 is moved out of the storage box 2 from the opening 22 according to the sequence from top to bottom, the movable baskets 43 move downwards along with the movement of the feeding frame 21 and are accepted by the feeding frame 21 on the next layer, the feeding frame 21 moves sequentially, all the movable baskets 43 are vertically stacked in the storage box 2 slowly and stably, the vibration generated in the process of placing the movable baskets 43 is reduced, the relative positions of the PPTC and the templates in the movable baskets 43 are guaranteed to be fixed, more movable baskets 43 are stored in the storage box 2, the feeding period of the worker is prolonged, and the feeding is convenient and fast.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a PPTC chip bonding machine, includes organism (1), its characterized in that: organism (1) one end is equipped with storage case (2), organism (1) middle part is equipped with heating device (3), organism (1) is equipped with conveyer (4) along length direction, storage case (2) cavity sets up, sliding connection has a plurality of pay-off framves (21) in storage case (2), pay-off frame (21) cross section is right angled triangle, the equal vertical distribution of pay-off frame (21) is in storage case (2), opening (22) that supply pay-off frame (21) to remove are seted up to the one end of storage case (2), the higher one end of pay-off frame (21) height all is located opening (22) department and butt from top to bottom, storage case (2) outer fixedly connected with support frame (23), support frame (23) are equipped with driving piece (5) that drive pay-off frame (21) removed.

2. A PPTC die-bonding machine according to claim 1, wherein: the driving piece (5) comprises a first rotating rod (51), a second rotating rod (52), a first gear (53), a plurality of second gears (54) and a plurality of double-sided toothed racks (55), the feeding frame (21) is fixedly connected with the corresponding double-sided toothed racks (55), the first rotating rod (51) is fixedly connected with the first gear (53), the second gear (54) is fixedly connected with the second rotating rod (52), the second gears (54) are uniformly distributed along the height direction of the second rotating rod (52), the first rotating rod (51) is rotatably connected with a moving block (56), a support frame (23) is fixedly connected with a first air cylinder (57), the output end of the first air cylinder (57) is fixedly connected with the moving block (56), the second rotating rod (52) is rotatably connected with a sliding block (58), the support frame (23) is fixedly connected with a second air cylinder (59), and the output end of the second air cylinder (59) is fixedly connected with the sliding block (58).

3. A PPTC die-bonding machine according to claim 1, wherein: the storage box (2) is fixedly connected with a plurality of supporting plates (24), the supporting plates (24) are located at two ends of the opening (22), and the distance between the supporting plates (24) is greater than the length of the movable basket.

4. A PPTC die-bonding machine according to claim 3, wherein: one end of the supporting plate (24) departing from the material storage box (2) is in an arc shape bent downwards.

5. A PPTC die-bonding machine according to claim 1, wherein: conveyer (4) include two chains (41) and two support track (42), and organism (1) length direction all sets up is followed to two chains (41), and chain (41) all are located corresponding support track (42) top, support track (42) all with organism (1) fixed connection, a plurality of push rods (44) of fixedly connected with between two chains (41).

6. A PPTC die bonder, as claimed in claim 5, wherein: the heating device (3) comprises a heating box (31) and two lifting frames (33), the lifting frames (33) are respectively positioned on two sides of the heating box (31), and two ends of each lifting frame (33) are connected with corresponding supporting rails (42) in a butting mode.

7. A PPTC die-bonding machine according to claim 1, wherein: a plurality of cooling air holes (11) are formed in one end, far away from the material storage box (2), of the machine body (1).

8. A PPTC die-bonding machine according to claim 1, wherein: the middle of the machine body (1) is hinged with a safety cover (12), and the safety cover (12) is provided with a heat insulation layer (121).

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