CN220388545U - PTC large and small piece pressing machine - Google Patents

Abstract

The utility model discloses a PTC large and small sheet pressing machine which comprises a large aluminum sheet feeding mechanism 1, a small aluminum sheet feeding mechanism, a large aluminum sheet picking and placing mechanism, a small aluminum sheet picking and placing mechanism, a pressing mechanism, a primary centering mechanism and a secondary centering mechanism. The large aluminum sheet picking and placing mechanism and the small aluminum sheet picking and placing mechanism are arranged at two sides of the pressing mechanism, and can transfer the large aluminum sheet or the small aluminum sheet on the large aluminum sheet picking and placing mechanism to the pressing mechanism, and the pressing mechanism performs pressing and stacking. The utility model has reasonable structural design, the large aluminum sheet and the small aluminum sheet are correspondingly conveyed to the large aluminum sheet pick-and-place mechanism through the large aluminum sheet feeding mechanism and the small aluminum sheet feeding mechanism, then the large aluminum sheet or the small aluminum sheet is transferred to the pressure combining mechanism through the large aluminum sheet pick-and-place mechanism, and then the large aluminum sheet and the small aluminum sheet are pressed and overlapped on the heating strip through the pressure combining mechanism, so that two heat radiating sheets with different specifications and sizes are assembled on the same heating strip, different production requirements are met, the assembly efficiency is high, the assembly effect is good, and the product quality is effectively ensured.

Description

PTC large and small piece pressing machine

Technical Field

The utility model relates to the technical field of PTC heater manufacturing equipment, in particular to a PTC large and small sheet pressing machine.

Background

The PTC heater is called as PTC heating element, and is composed of PTC ceramic heating element and aluminum tube, and is strip-shaped. The PTC heater has the advantages of small thermal resistance and high heat exchange efficiency, and is an automatic constant-temperature and electricity-saving electric heater. The special electric heating tube type heater has the outstanding characteristics that the special electric heating tube type heater has no red surface phenomenon under any application condition in terms of safety performance, thereby causing potential safety hazards such as scalds, fires and the like.

In order to facilitate the heat dissipation of the heating strip, a plurality of radiating fins are inserted into the heating strip, and the specific manufacturing process is that inserting holes for inserting the heating strip are formed in the radiating fins, and the inserting holes are in interference fit with the heating strip. However, the assembly automation degree of the radiating fins and the heating strips is not high at present, and the radiating fins and the heating strips are assembled in a manual mode, so that time and labor are wasted, the working efficiency is low, and meanwhile, the same assembly action is required to be repeated with high intensity for a long time, so that the labor intensity is high.

For this reason, the applicant filed a patent number of "PTC heater press-fitting machine" on the 15 th year of 2022, and patent number of "CN202221816465.0", which discloses a PTC heater press-fitting machine comprising a frame, a vibration loading tray, a feeding rail, a loading mechanism, a fin pick-and-place mechanism, a column, a floating pressing mechanism, and a heat generating strip holding mechanism. The radiating fins placed in the radiating fins are vibrated by the vibrating feeding disc to be orderly arranged and fed to the feeding rail, the feeding rail is fed to the feeding mechanism one by one, then the feeding mechanism is pushed to the preset feeding position to be grabbed by the radiating fin picking and placing mechanism, the grabbed radiating fins are moved to the position above the radiating strips by the radiating fin picking and placing mechanism and slightly inserted into the jacks of the radiating fins, and finally the radiating fins are downwards pressed to the preset assembling position of the radiating strips by the floating pressing mechanism.

Disclosure of Invention

Aiming at the defects, the utility model aims to provide the PTC large-small sheet pressing machine which has reasonable structural design and can be provided with two radiating fins with different specifications and sizes on the same heating strip.

In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:

the utility model provides a PTC big and small piece closes press, its includes big aluminum sheet feeding mechanism, aluminum flake feeding mechanism, big aluminum sheet pick-up and put mechanism, aluminum sheet pick-up and put mechanism and closes the mechanism of pressing, big aluminum sheet pick-up and put mechanism and aluminum sheet pick-up and put the mechanism and set up the both sides position that closes the mechanism to can transfer big aluminum sheet or aluminum sheet on it to closing on the mechanism, and by closing the mechanism and pressing the superpose, big aluminum sheet feeding mechanism is located big aluminum sheet pick-up and put mechanism one side position, and can be for big aluminum sheet pick-up and put mechanism carries big aluminum sheet, little aluminum sheet feeding mechanism is located aluminum sheet pick-up and put mechanism one side position, and can be for aluminum sheet pick-up and put mechanism carries the aluminum sheet.

As a preferable scheme of the utility model, the aluminum flake feeding mechanism comprises an aluminum flake vibration feeding tray, an aluminum flake feeding rail, a pushing mechanism and a wobble plate pushing mechanism, wherein one end of the aluminum flake feeding rail is connected with the aluminum flake vibration feeding tray, the other end of the aluminum flake feeding rail extends to the position of the pushing mechanism, and the pushing mechanism pushes the aluminum flakes conveyed by the aluminum flake feeding rail to the wobble plate pushing mechanism one by one.

As a preferable scheme of the utility model, the pushing mechanism comprises a pushing seat, a pushing cylinder and a pushing rod, wherein the pushing seat is provided with a feeding groove and a feeding groove perpendicular to the feeding groove, one end of the aluminum sheet feeding rail is connected with the feeding groove, the front end of the pushing rod stretches into the feeding groove, and the pushing cylinder is arranged on the pushing seat and is connected with the tail end of the pushing rod.

As a preferable scheme of the utility model, the wobble plate pushing mechanism comprises a fixed seat, a sliding rail, a pushing plate, a ball screw pair and a pushing motor, wherein the sliding rail is arranged on the fixed seat, the pushing plate is movably arranged on the sliding rail through a sliding block, the pushing motor drives the pushing plate to reciprocate on the sliding rail through the ball screw pair, and a plurality of sheet grooves for placing aluminum sheets are arranged at one side of the pushing plate close to the feeding groove.

As a preferable scheme of the utility model, the aluminum flake picking and placing mechanism comprises a bracket, a transverse moving module, a lifting moving module, a picking and placing arm and a plurality of pneumatic fingers which are arranged on the picking and placing arm side by side, wherein the transverse moving module is arranged on the bracket, the lifting moving module is arranged on the transverse moving module, and the picking and placing arm is arranged on the lifting moving module.

As a preferable scheme of the utility model, the pressure combining mechanism comprises a support column, a height adjusting seat, a heat radiation strip jig, a pressure seat, a pressing jig, a lifting ball screw pair and a lifting motor, wherein the front surface of the support column is provided with a lifting guide rail, the height adjusting seat is movably arranged at the lower part of the lifting guide rail through a sliding block, the pressure seat is movably arranged at the upper part of the lifting guide rail through the sliding block, the lifting motor is arranged on the support column and can drive the pressure seat to lift relative to the height adjusting seat through the lifting ball screw pair, the heat radiation strip jig is arranged on the upper surface of the height adjusting seat, and the pressing jig is arranged on the bottom surface of the pressure seat.

As a preferred scheme of the utility model, the automatic thermal insulation device further comprises a primary righting mechanism, the primary righting mechanism comprises a righting seat, a transverse moving air cylinder, a transverse moving plate, an opening and closing device, a front handrail and a rear handrail, wherein the righting seat is arranged on the back surface of the support column through a height adjusting plate, the transverse moving plate is arranged on the righting seat in a sliding manner through an X sliding rail, the transverse moving air cylinder is arranged on the righting seat and can drive the transverse moving plate to reciprocate on the X sliding rail, a Y sliding rail is arranged on the transverse moving plate, the front handrail and the rear handrail are movably arranged on the Y sliding rail and are driven by the opening and closing device to relatively perform opening and closing actions, the opening and closing device comprises an opening and closing air cylinder, a left rack, a right rack and a synchronous gear, the left rack and the right rack are arranged at intervals relatively, the left rack is fixed on the bottom surface of the front handrail, the right rack is fixed on the bottom surface of the rear handrail through a rotating shaft, the synchronous gear is arranged on the transverse moving plate corresponding to the position between the left rack and the right rack, the synchronous gear is meshed with the left rack and the right rack through the rotating shaft, the synchronous gear is meshed with the left rack and the piston rod is provided with a clamping notch which is matched with the front handrail, and the piston rod is provided with a positioning notch. The heating strip is positioned through the primary righting mechanism, so that the heating strip is convenient and accurate to assemble with a large aluminum sheet and a small aluminum sheet.

As a preferable scheme of the utility model, the secondary righting mechanism comprises a left righting block, a right righting block, a left driving device and a right driving device, wherein the left support arm and the right support arm are arranged on the righting seat corresponding to the two sides of the support column, the left driving device and the right driving device are correspondingly arranged on the left support arm and the right support arm, the left righting block and the right righting block are correspondingly arranged on the left driving device and the right driving device, and concave positions matched with the shape of the heating strip are arranged on the left righting block and the right righting block. The heating strip is positioned through the secondary righting mechanism, so that the heating strip is prevented from shaking left and right.

As a preferable scheme of the utility model, the radiating strip jig comprises a base, a fixed clamping plate, a movable clamping plate, a pushing frame and a jig cylinder, wherein the fixed clamping plate is fixed on the base, a V-shaped socket is arranged on the fixed clamping plate, an inclined guide groove is arranged on the bottom surface of the movable clamping plate, an inclined guide wheel which is matched with the inclined guide groove is arranged on the base, a transverse long hole is arranged at the tail part of the movable clamping plate, one end of the pushing frame is fixed on a piston rod of the jig cylinder, a transverse guide wheel which is matched with the transverse long hole is arranged at the other end of the pushing frame, and a pointed end is arranged at one end of the movable clamping plate which faces the V-shaped socket.

The beneficial effects of the utility model are as follows: the utility model has reasonable structural design, the large aluminum sheet and the small aluminum sheet are correspondingly conveyed to the large aluminum sheet pick-and-place mechanism through the large aluminum sheet feeding mechanism and the small aluminum sheet feeding mechanism, then the large aluminum sheet or the small aluminum sheet is transferred to the pressure combining mechanism through the large aluminum sheet pick-and-place mechanism, and then the large aluminum sheet and the small aluminum sheet are pressed and overlapped on the heating strip through the pressure combining mechanism, so that two heat radiating sheets with different specifications and sizes are assembled on the same heating strip, different production requirements are met, the assembly efficiency is high, the assembly effect is good, and the product quality is effectively ensured.

The utility model will be further described with reference to the drawings and examples.

Drawings

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

Fig. 2 is a schematic structural view of the feeding mechanism for small aluminum sheets of the present utility model.

Fig. 3 is a schematic structural view of the pushing mechanism in the present utility model.

Fig. 4 is a schematic structural view of the small aluminum sheet pick-and-place mechanism of the present utility model.

Fig. 5 is a schematic structural view of the aluminum flake feeding mechanism in the present utility model.

Fig. 6 is a schematic structural view of the large aluminum sheet pick-and-place mechanism in the present utility model.

Fig. 7 is a schematic structural view of the pressure combining mechanism in the present utility model.

Fig. 8 is a schematic structural view of the height-adjusting seat in the utility model.

Fig. 9 is an exploded view of the heat sink bar fixture of the present utility model.

Fig. 10 is a schematic view of the structure of the movable clamp plate in the present utility model.

Fig. 11 is a schematic perspective view of a primary centering mechanism in accordance with the present utility model.

FIG. 12 is an exploded view of the primary centering mechanism of the present utility model.

Fig. 13 is a schematic structural view of the secondary righting mechanism in the present utility model.

Description of the embodiments

Referring to fig. 1 to 13, the embodiment provides a PTC big and small sheet press, which includes a big aluminum sheet feeding mechanism 1, a small aluminum sheet feeding mechanism 2, a big aluminum sheet picking and placing mechanism 3, a small aluminum sheet picking and placing mechanism 4, a pressing mechanism 5, a primary centering mechanism 6 and a secondary centering mechanism 7.

The aluminum sheet pick-and-place mechanism 3 and the aluminum sheet pick-and-place mechanism 4 are arranged at two sides of the pressure combining mechanism 5.

The aluminum flake feeding mechanism 2 is used for conveying aluminum flakes 8 to the aluminum flake picking and placing mechanism 4. Specifically, the aluminum flake feeding mechanism 2 includes an aluminum flake vibration feeding tray 21, an aluminum flake feeding rail 22, a pushing mechanism 23 and a wobble plate pushing mechanism 24, one end of the aluminum flake feeding rail 22 is connected with the aluminum flake vibration feeding tray 21, the other end extends to the position of the pushing mechanism 23, and the pushing mechanism 23 pushes the aluminum flakes conveyed by the aluminum flake feeding rail 22 to the wobble plate pushing mechanism 24 one by one. The pushing mechanism 23 comprises a pushing seat 231, a pushing cylinder 232 and a pushing rod 233, wherein a feeding groove and a feeding groove perpendicular to the feeding groove are arranged on the pushing seat 231, one end of the aluminum flake feeding rail 22 is connected with the feeding groove, the front end of the pushing rod 233 extends into the feeding groove, and the pushing cylinder 232 is arranged on the pushing seat 231 and is connected with the tail end of the pushing rod 233. Preferably, a piston rod of the pushing cylinder 232 is connected with the tail end of the push rod 233 through a hinge shaft, so that the requirement on the assembly straightness is reduced, and the push rod 233 can flexibly and smoothly move in the feeding groove. The wobble plate pushing mechanism 24 comprises a fixed seat, a sliding rail, a pushing plate 241, a ball screw pair and a pushing motor, the sliding rail is arranged on the fixed seat, the pushing plate 241 is movably arranged on the sliding rail through a sliding block, the pushing motor drives the pushing plate 241 to reciprocate on the sliding rail through the ball screw pair, and a plurality of sheet grooves 242 used for placing aluminum flakes 8 are arranged at one side of the pushing plate 241 close to the feeding groove.

The aluminum sheet pick-and-place mechanism 4 is used for transferring the aluminum sheet 8 on the sheet groove 242 to the pressure combining mechanism 5. Specifically, the aluminum flake picking and placing mechanism 4 includes a bracket 41, a transverse moving module 42, a lifting moving module 43, a picking and placing arm 44 and a plurality of pneumatic fingers 45 arranged on the picking and placing arm 44 side by side, in this embodiment, the number of the pneumatic fingers 45 is three, so as to realize that three aluminum flakes with small specification and size are transferred to the aluminum flake assembling mechanism, and in other embodiments, the number of the pneumatic fingers 45 can be four or more. So as to realize that a plurality of small aluminum sheets with small specification and size can be transferred to the small aluminum sheet assembling mechanism at a time, and the working efficiency is improved. The transverse moving module 42 is arranged on the support 41, the lifting moving module 43 is arranged on the transverse moving module 42, and the pick-and-place arm 44 is arranged on the lifting moving module 43.

The aluminum flake feeding mechanism 1 is used for conveying aluminum flakes 9 to the aluminum flake picking and placing mechanism 3. Specifically, the aluminum flake feeding mechanism 1 comprises an aluminum flake vibration feeding tray 11, an aluminum flake feeding rail 12 and a pushing mechanism 13. One end of the aluminum flake feeding rail 12 is connected with the aluminum flake vibration feeding tray 11, and the other end extends to the pushing mechanism 13. The pushing mechanism 13 comprises a feeding seat 131, a pushing cylinder 132 and a pushing block 133, wherein the feeding seat 131 is arranged at the side edge of the other end of the aluminum flake feeding rail 12, a limiting groove for placing the aluminum flake 9 is formed in the feeding seat 131, the pushing cylinder 132 is arranged at the other side edge of the feeding rail corresponding to the position of the feeding seat 131, and the pushing block 133 is arranged on a piston rod of the pushing cylinder 132. When the piston rod of the pushing cylinder 132 stretches out, the pushing block 133 pushes the aluminum flakes on the aluminum flakes feeding rail 12 to the limiting groove of the feeding seat 131, so that the aluminum flakes picking and placing mechanism 3 is convenient to grasp the aluminum flakes 9.

The large aluminum sheet picking and placing mechanism 3 comprises a bracket 31, a base plate 32, a horizontal sliding rail 33, a horizontal sliding seat 34, a vertical sliding rail 35, a vertical sliding seat 36, a guide plate 37, a guide block 38, a moving arm 39, a telescopic device 310, a pneumatic clamping hand 311, a swing arm 312 and a gear motor, wherein the guide plate 37 is arranged on the base plate 32 and is provided with an n-shaped guide sliding groove, the gear motor is arranged on the back surface of the base plate 32, a driving shaft of the gear motor extends out of the lower position of the guide plate 37, one end of the swing arm 312 is fixed on the driving shaft of the gear motor, the other end of the swing arm 312 is provided with a strip sliding hole, the guide block 38 is arranged on the moving arm 39 and is provided with a sliding shaft, and the sliding shaft penetrates through the strip sliding hole and is matched with the n-shaped guide sliding groove, and preferably, the sliding shaft is provided with a pulley, so that the sliding smoothness can be improved. The base plate 32 is arranged on the upper part of the bracket 31, the horizontal sliding rail 33 is arranged on the base plate 32, the vertical sliding seat 36 is arranged on the horizontal sliding rail 33 through the horizontal sliding seat 34, the movable arm 39 is movably arranged on the vertical sliding seat 36 through the vertical sliding rail 35, the telescopic device 310 is arranged on the movable arm 39, and the pneumatic clamping hand 311 is arranged on the telescopic device 310

After the pneumatic clamping hand 311 clamps the aluminum flake 9 positioned on the limit groove of the feeding seat 131. The gear motor rotates anticlockwise to drive the moving arm 39 to swing from left to right, and the guide block 38 pushes the moving arm 39 to move upwards under the guide action of the left vertical part of the n-shaped guide chute; when the guide block 38 moves to the middle horizontal part of the n-shaped guide chute along with the swing of the moving arm 39, the moving arm 39 is pushed to move horizontally from left to right; then, when the guide block 38 moves to the right vertical part of the n-shaped guide chute 371 along with the swing of the moving arm 39, the moving arm 39 is pushed to move downwards, and the aluminum flake 9 is placed on the heating strip 10.

The pressing mechanism 5 is used for pressing and superposing the large aluminum sheet 9 and the small aluminum sheet 8 which are conveyed by the large aluminum sheet picking and placing mechanism 3 and the small aluminum sheet picking and placing mechanism 4 on the same heating strip.

The pressure combination mechanism 5 comprises a support column 51, a height-adjusting seat 52, a heat radiation strip jig 53, a pressure seat 54, a pressing sheet jig 55, a lifting ball screw pair 56 and a lifting motor 57, wherein a lifting guide rail is arranged on the front surface of the support column 51, the height-adjusting seat 52 is movably arranged at the lower position of the lifting guide rail through a sliding block, the height-adjusting seat 52 can be adjusted by a height-adjusting mechanism 58, the height-adjusting mechanism 58 comprises an adjusting seat 581, a rack 582, a gear and an adjusting hand wheel 583, the rack 582 is arranged on the support column 51, the position of the adjusting seat 581 corresponding to the rack 582 is arranged on the height-adjusting seat 52, the adjusting hand wheel 583 is arranged on the adjusting seat 581, and the gear is arranged on the adjusting hand wheel 583 and meshed with the rack 582. The height of the height adjustment seat 52 is correspondingly adjusted by twisting the adjustment hand wheel 583 in either a reverse or forward direction.

The heat dissipation strip jig 53 is disposed on the upper surface of the height adjustment base 52. Specifically, the heat dissipation strip fixture 53 includes a base 531, a fixed clamping plate 532, a movable clamping plate 533, a pushing frame 534 and a fixture cylinder 535, the fixed clamping plate 532 is fixed on the base 531, a V-shaped socket 5321 is provided on the fixed clamping plate 532, an inclined guide groove 5331 is provided on the bottom surface of the movable clamping plate 533, an inclined guide wheel 536 adapted to the inclined guide groove 5331 is provided on the base 531, a transverse slot 5332 is provided at the tail of the movable clamping plate 533, one end of the pushing frame 534 is fixed on a piston rod of the fixture cylinder 535, a transverse guide wheel 537 adapted to the transverse slot 5332 is provided at the other end of the movable clamping plate 533, and a tip 5333 is provided at one end of the movable clamping plate 533 facing the V-shaped socket 5321. During adjustment, under the matching action of the inclined guide wheels 536 and the inclined guide grooves 5331 and the matching action of the transverse guide wheels 537 and the transverse long holes 5332, the jig cylinder 535 pushes the movable clamping plate 533 through the push frame 534 to move forward and move transversely, namely, the tip 5333 moves transversely when extending into the V-shaped socket 5321, so that the heating strip 10 is clamped and pressed, and the clamping effect can be improved.

The pressing seat 54 is movably arranged on the upper portion of the lifting guide rail through a sliding block, the lifting motor 57 is arranged on the supporting column 51, the pressing seat 54 can be driven to lift relative to the height adjusting seat 52 through a lifting ball screw pair 56, and the pressing jig 55 is arranged on the bottom surface of the pressing seat 54.

The primary righting mechanism 6 comprises a righting seat 61, a traversing cylinder 62, a traversing plate 63, an opening and closing device 64, a front handrail 65 and a rear handrail 66, wherein the righting seat 61 is arranged on the back of the supporting column 51 through a height adjusting plate 67, the traversing plate 63 is arranged on the righting seat 61 in a sliding manner through an X sliding rail, the traversing cylinder 62 is arranged on the righting seat 61 and can drive the traversing plate 63 to reciprocate on the X sliding rail, a Y sliding rail is arranged on the traversing plate 63, the front handrail 65 and the rear handrail 66 are movably arranged on the Y sliding rail and are driven by the opening and closing device 64 to relatively move, the opening and closing device 64 comprises an opening and closing cylinder 641, a left rack 642, a right rack 643 and a synchronous gear 644, the left rack 642 and the right rack 643 are oppositely arranged at intervals, the left rack 642 is fixed on the bottom surface of the front handrail 65, the synchronous gear is correspondingly arranged on the bottom surface of the rear handrail 66, the position between the left rack 642 and the right rack 643 is correspondingly arranged on the traversing plate 644, the left rack 642 and the right rack 643 are correspondingly arranged on the transverse moving plate 63 through the transverse moving plate, the left rack 642 and the left rack 642 are correspondingly provided with a lifting groove and the piston rod 643, the piston rod is meshed with the front handrail 66, the piston rod is meshed with the front handrail is meshed with the piston rod 643, and the piston rod is meshed with the front handrail is meshed with the piston rod 64. The heating strip 10 is positioned through the primary righting mechanism 6, so that the assembly of the heating strip with large and small aluminum sheets is convenient and accurate.

The secondary righting mechanism 7 comprises a left righting block 71, a right righting block 72, a left driving device 73 and a right driving device 74, a left support arm 75 and a right support arm 76 are arranged on the righting seat 61 corresponding to the two sides of the supporting column 51, the left driving device 73 and the right driving device 74 are correspondingly arranged on the left support arm 75 and the right support arm 76, the left righting block 71 and the right righting block 72 are correspondingly arranged on the left driving device 73 and the right driving device 74, and concave positions matched with the shape of the heating strip 10 are arranged on the left righting block 71 and the right righting block 72. The heating strip 10 is positioned through the secondary righting mechanism 7, so that the heating strip 10 is prevented from shaking left and right.

During operation, the large aluminum sheet is conveyed to the large aluminum sheet pick-and-place mechanism 3 through the large aluminum sheet feeding mechanism 1, and the small aluminum sheet 8 is conveyed to the small aluminum sheet pick-and-place mechanism 4 through the small aluminum sheet feeding mechanism 2. The front handrail 65 and the rear handrail 66 of the primary righting mechanism 6 are mutually combined to realize front and rear limiting of the heating strip 10. In order to improve the positioning effect on the heating strip 10, the left support block 71 and the right support block 72 of the secondary righting mechanism 7 are folded, so that the left and right limiting of the heating strip 10 is realized. The heating strip 10 is prevented from swinging in the front, back, left, right and other directions, and the positioning effect is improved. Then the large aluminum sheet is transferred to the pressure combining mechanism 5 by the large aluminum sheet pick-and-place mechanism 3, specifically, the insertion holes of the large aluminum sheet 9 are aligned with the heating strips 10 and placed at the upper end parts of the heating strips 10. Then, the lifting motor 57 drives the pressing seat 54 through the lifting ball screw pair 56 to drive the pressing jig 55 to move downwards, so that the aluminum sheet 9 is pressed down to a preset position, and the aluminum sheet 9 and the heating strip 10 are assembled.

When the aluminum flakes 8 need to be placed, the aluminum flakes 8 are transferred onto the pressure combining mechanism 5 by the aluminum flakes pick-and-place mechanism 4, specifically, the insertion holes of the aluminum flakes 8 are aligned with the heating strips 10 and placed at the upper ends of the heating strips 10. Then, the lifting motor 57 drives the pressing seat 54 through the lifting ball screw pair 56 to drive the pressing jig 55 to move downwards, so that the aluminum flake 8 is pressed down to a preset position, and the aluminum flake 8 and the heating strip 10 are assembled.

Through the operating condition of interactive control aluminum flake pick-and-place mechanism 4 and aluminum flake feeding mechanism 1, realize correspondingly transferring aluminum flake 9 or aluminum flake 8 to closing on pressing mechanism 5, then by closing pressing mechanism 5 with aluminum flake 9 and 8 pressfitting stack assembly on the strip 10 that generates heat, realize being equipped with the fin of two kinds of different specification sizes on same strip that generates heat, obtain the PTC heater that has the fin of two kinds of different specification sizes, assembly efficiency is high, labour saving and time saving.

Variations and modifications to the above would be obvious to persons skilled in the art to which the utility model pertains from the foregoing description and teachings. Therefore, the utility model is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the utility model should be also included in the scope of the claims of the utility model. In addition, although specific terms are used in the present specification, these terms are used for convenience of description only and do not limit the present utility model in any way, and the same or similar apparatus is used within the scope of the present utility model.

Claims (10)

1. The utility model provides a PTC big and small piece closes press, its characterized in that includes big aluminum sheet feeding mechanism, little aluminum sheet feeding mechanism, big aluminum sheet pick-up and put mechanism, little aluminum sheet pick-up and put mechanism and closes the mechanism of pressing, big aluminum sheet pick-up and put mechanism and little aluminum sheet pick-up and put the mechanism and set up the both sides position that closes the mechanism to can transfer big aluminum sheet or little aluminum sheet on it to closing on the mechanism, and by closing the mechanism and pressing the superpose, big aluminum sheet feeding mechanism is located big aluminum sheet pick-up and put mechanism one side position, and can be for big aluminum sheet pick-up and put mechanism carries big aluminum sheet, little aluminum sheet feeding mechanism is located little aluminum sheet pick-up and put mechanism one side position, and can be for little aluminum sheet pick-up and put mechanism carries little aluminum sheet.

2. A PTC sheet compression machine according to claim 1, wherein: the aluminum flake feeding mechanism comprises an aluminum flake vibration feeding disc, an aluminum flake feeding rail, a pushing mechanism and a swinging disc pushing mechanism, one end of the aluminum flake feeding rail is connected with the aluminum flake vibration feeding disc, the other end of the aluminum flake feeding rail extends to the position of the pushing mechanism, and the pushing mechanism pushes aluminum flakes conveyed by the aluminum flake feeding rail to the swinging disc pushing mechanism one by one.

3. The PTC sheet press according to claim 2, wherein: the pushing mechanism comprises a pushing seat, a pushing cylinder and a pushing rod, wherein a feeding groove and a feeding groove perpendicular to the feeding groove are arranged on the pushing seat, one end of the aluminum sheet feeding rail is connected with the feeding groove, the front end of the pushing rod stretches into the feeding groove, and the pushing cylinder is arranged on the pushing seat and connected with the tail end of the pushing rod.

4. A PTC sheet compression machine according to claim 3, wherein: and a piston rod of the pushing cylinder is connected with the tail end of the push rod through a hinge shaft.

5. A PTC sheet compression machine according to claim 3, wherein: the swing disc pushing mechanism comprises a fixed seat, a sliding rail, a pushing plate, a pushing ball screw pair and a pushing motor, wherein the sliding rail is arranged on the fixed seat, the pushing plate is movably arranged on the sliding rail through a sliding block, the pushing motor drives the pushing plate to reciprocate on the sliding rail through the pushing ball screw pair, and a plurality of sheet grooves used for placing aluminum flakes are arranged at one side of the pushing plate close to the feeding groove.

6. A PTC sheet compression machine according to claim 3, wherein: the aluminum flake picking and placing mechanism comprises a support, a transverse moving module, a lifting moving module, a picking and placing arm and a plurality of pneumatic fingers which are arranged on the picking and placing arm side by side, wherein the transverse moving module is arranged on the support, the lifting moving module is arranged on the transverse moving module, and the picking and placing arm is arranged on the lifting moving module.

7. A PTC sheet compression machine according to claim 1, wherein: the pressure combination mechanism comprises a support column, a height-adjusting seat, a heat dissipation strip jig, a pressure seat, a pressing jig, a lifting ball screw pair and a lifting motor, wherein a lifting guide rail is arranged on the front face of the support column, the height-adjusting seat is movably arranged at the lower part of the lifting guide rail through a sliding block, the pressure seat is movably arranged at the upper part of the lifting guide rail through the sliding block, the lifting motor is arranged on the support column, the pressure seat can be driven by the lifting ball screw pair to move up and down relative to the height-adjusting seat, the heat dissipation strip jig is arranged on the upper surface of the height-adjusting seat, and the pressing jig is arranged at the bottom surface of the pressure seat.

8. A PTC sheet compression machine according to claim 7, wherein: the automatic heating device comprises a support column, a transverse moving plate, a transverse moving cylinder, a transverse moving plate, a Y sliding rail, a front handrail, a rear handrail, an opening and closing device, a left rack, a right rack and a synchronous gear, wherein the support column is arranged on the back surface of the support column through a height adjusting plate, the transverse moving plate is arranged on the support column through an X sliding rail in a sliding mode, the transverse moving cylinder can drive the transverse moving plate to reciprocate on the X sliding rail, the transverse moving plate is provided with the Y sliding rail, the front handrail and the rear handrail are movably arranged on the Y sliding rail and are driven by the opening and closing device to relatively perform opening and closing actions, the opening and closing device comprises the opening and closing cylinder, the left rack, the right rack and the synchronous gear, the left rack and the right rack are arranged at intervals relatively, the left rack is fixed on the bottom surface of the front handrail, the right rack is fixed on the bottom surface of the rear handrail, the synchronous gear is arranged on the transverse moving plate through a rotating shaft corresponding to the position between the left rack and the right rack, the synchronous gear is meshed with the left rack and the right rack, the piston rod of the opening and closing cylinder is connected with the rear handrail through a notch, and the piston rod is provided with the shape of the piston rod, and the piston is matched with the front handrail, and the notch is provided with the concave shaped.

9. A PTC sheet compression machine according to claim 8, wherein: the secondary righting mechanism comprises a left righting block, a right righting block, a left driving device and a right driving device, wherein the left support arm and the right support arm are arranged on the righting seat at two sides of the supporting column correspondingly, the left driving device and the right driving device are correspondingly arranged on the left support arm and the right support arm, the left righting block and the right righting block are correspondingly arranged on the left driving device and the right driving device, and concave positions matched with the shape of the heating strip are arranged on the left righting block and the right righting block.

10. A PTC sheet compression machine according to claim 7, wherein: the heat dissipation strip jig comprises a base, a fixed clamping plate, a movable clamping plate, a pushing frame and a jig cylinder, wherein the fixed clamping plate is fixed on the base, a V-shaped insertion opening is formed in the fixed clamping plate, an inclined guide groove is formed in the bottom surface of the movable clamping plate, an inclined guide wheel which is matched with the inclined guide groove is formed in the base, a transverse long hole is formed in the tail portion of the movable clamping plate, one end of the pushing frame is fixed on a piston rod of the jig cylinder, the other end of the pushing frame is provided with a transverse guide wheel which is matched with the transverse long hole, and a tip is arranged at one end of the V-shaped insertion opening, which faces the movable clamping plate.