Infrared welding equipment

Abstract

The utility model discloses infrared welding equipment, which belongs to the field of industrial manufacturing and processing and comprises a shell and a base, and a hot pressing driving mechanism used for heating a workpiece and driving crimping is mounted in the shell; the base is provided with a double-station separated double-station crimping mechanism which works in a rotating mode. The separating type double-station crimping mechanism comprises a rotating assembly and two groups of crimping assemblies, the two groups of crimping assemblies are in central symmetry, the rotating assembly is connected with the base, the rotating assembly is connected with the crimping assemblies, and the crimping assemblies are connected with the hot pressing driving mechanism; by means of the mode, waiting time in the midway of feeding and discharging and hot pressing can be shortened, machining efficiency is improved, and production cost is reduced; and when the workpiece is welded, the workpiece can be heated and welded more accurately.

Description

TECHNICAL FIELD

[0001] The utility model relates to industrial manufacturing and processing field, concretely relates to an infrared welding equipment. BACKGROUND

[0002] Infrared welding is a welding mode that uses non-contact heating method to heat plastic workpieces. In the automobile industry, infrared welding technology can be used to weld automobile parts, improve production efficiency and welding strength, and reduce welding time and cost. With the transformation and upgrading of manufacturing industry and technological progress, the demand for high-end welding technology will be more urgent, and the application of infrared welding equipment in these fields will be more and more extensive.

[0003] Chinese patent CN211840572U discloses a novel infrared diffusion welding equipment, which comprises a rack, a welding and pressing table arranged on the rack, a first welding and pressing assembly arranged on the welding and pressing table, and a second welding and pressing assembly arranged opposite to the first welding and pressing assembly. A driving member is arranged on the rack to drive the second welding and pressing assembly to approach or move away from the first welding and pressing assembly. The first welding and pressing assembly and the second welding and pressing assembly are both coated with an infrared heating coating, and the infrared heating coating is connected with a power supply device. This equipment has the advantages of no radiation to human body, less power consumption under the same working efficiency, small equipment space, and low production cost. However, the test equipment still has the following problems:

[0004] 1. When welding the equipment, the operator needs to wait for the welding process to be completed, and other processes are on standby;

[0005] Therefore, the utility model designs an infrared welding equipment to solve the above problems. UTILITY MODEL CONTENTS

[0006] In view of the above shortcomings of the prior art, the utility model provides an infrared welding equipment.

[0007] To achieve the above purpose, the utility model realizes the following technical scheme:

[0008] An infrared welding equipment comprises a shell and a base, and a hot-pressing driving mechanism for heating and driving the pressing of workpieces is installed in the shell;

[0009] A separated double-station pressing mechanism that works in double stations and rotates is installed on the base;

[0010] The separated double-station pressing mechanism comprises a rotating assembly and two groups of pressing assemblies, the two groups of pressing assemblies are centrally symmetrical, the rotating assembly is connected with the base, the rotating assembly is connected with the pressing assemblies, and the pressing assemblies are connected with the hot-pressing driving mechanism;

[0011] Further, the hot-pressing driving mechanism comprises a heating moving assembly and a pressure bonding driving assembly; the heating moving assembly is connected with the upper end of the shell, the pressure bonding driving assembly is connected with the shell, and the heating moving assembly is connected with the pressure bonding assembly;

[0012] Further, the rotating assembly comprises a rotating cylinder and a rotating platform; the rotating cylinder is fixedly connected with the base, the rotating platform is fixedly connected with the driving end of the rotating cylinder, and the rotating platform is connected with the pressure bonding assembly;

[0013] Further, the set of pressure bonding assemblies comprises an upper die plate, a lower die plate, a cylinder, an upper die plate limiting block, a lower die plate limiting block and two guide rods; the two guide rods are fixedly connected with the rotating platform, the lower end of the cylinder is fixedly connected with the upper end of the rotating platform, the upper die plate is located above the lower die plate, the upper die plate and the lower die plate are slidably connected with the two guide rods, the middle part of each of the two guide rods is fixedly installed with the upper die plate limiting block for limiting the upper die plate, the lower end of each of the two guide rods is fixedly installed with the lower die plate limiting block for limiting the lower die plate, the upper ends of the two guide rods are fixedly connected through a connecting rod, the lower ends of the two guide rods are fixedly connected with the rotating platform, the two guide rods are arranged left and right and located in front of the cylinder, and the upper die plate abuts against the driving end of the cylinder; the upper die plate and the lower die plate are connected with the pressure bonding driving assembly;

[0014] Further, the heating moving assembly comprises a motor, a transmission assembly, a heating block transmission shaft, two synchronous belt conveying assemblies and a heating assembly; the motor is fixedly connected with the shell at the upper end of the rear side of the shell, the driving end of the motor is in transmission connection with the heating block transmission shaft through the transmission assembly, the two ends of the heating block transmission shaft are rotatably connected with the upper end of the rear side of the shell, the two ends of the heating block transmission shaft are symmetrically provided with the two synchronous belt conveying assemblies, the synchronous belt conveying assembly is composed of a driving wheel, a driven wheel and a synchronous belt, the heating block transmission shaft is fixedly connected with the driving wheel of the synchronous belt conveying assembly, and the driven wheel of the synchronous belt conveying assembly is rotatably connected with the upper end of the front side of the shell;

[0015] Further, the heating assembly comprises a heating block, a heating groove, a heating rod and a heating block moving plate; the left and right ends of the heating block moving plate are fixedly connected with the synchronous belts of the two synchronous belt conveying assemblies, and the side wall of the heating block moving plate is in limiting and sliding connection with the inner wall of the shell, so that the heating block moving plate can move forward and backward; the lower end of the heating block moving plate is fixedly connected with the heating block, and the heating rod is embedded in the heating block;

[0016] Further, the crimping drive assembly comprises motor two, transmission assembly two, crimping transmission shaft, two synchronous belt conveying assemblies two, upper crimping plate, lower crimping plate and a plurality of guide rods; the motor two is fixedly connected with the front upper end of the shell, the driving end of the motor two is in transmission connection with the crimping transmission shaft through the transmission assembly two, the crimping transmission shaft is rotationally connected with the front upper end of the shell at both ends, two synchronous belt conveying assemblies two are symmetrically arranged at the both ends of the crimping transmission shaft, the synchronous belt conveying assembly two is composed of a driving wheel, a driven wheel and a synchronous belt, the crimping transmission shaft is fixedly connected with the driving wheel of the synchronous belt conveying assembly two, and the driven wheel of the synchronous belt conveying assembly two is rotationally connected with the front lower end of the shell; a plurality of guide rods are symmetrically fixedly installed on the inner side of the shell, the upper crimping plate and the lower crimping plate are in limiting sliding connection with the guide rods, the upper crimping plate and the lower crimping plate are used in cooperation for crimping the upper die plate and the lower die plate, and the upper crimping plate is higher than the upper die plate, and the lower crimping plate is lower than the lower die plate; the upper crimping plate and the lower crimping plate are fixedly connected with the synchronous belt of the synchronous belt conveying assembly two on the front and back sides respectively, so that the upper crimping plate and the lower crimping plate always move reversely synchronously.

[0017] Further, the transmission assembly one and the transmission assembly two adopt a transmission belt and transmission belt wheel transmission structure, which is composed of a transmission belt and two transmission belt wheels.

[0018] Compared with the prior art, the utility model has the advantages that 1, the utility model can realize reducing the waiting time in the middle of feeding and hot pressing, improving the processing efficiency, and reducing the production cost.

[0019] 2, the utility model can realize the workpiece welding, can more accurately heat the workpiece and weld. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating laboriously.

[0021] Figure 1 It is a perspective view of the infrared welding equipment of the utility model Figure 1 ;

[0022] Figure 2 It is a front view of the infrared welding equipment of the utility model;

[0023] Figure 3 It is a right view of the infrared welding equipment of the utility model;

[0024] Figure 4 It is along Figure 2A three-dimensional image with part of the AA cut away;

[0025] Figure 5 To follow Figure 2 A three-dimensional image of a BB with part of it cut away;

[0026] Figure 6 It is a three-dimensional diagram of a separate double-station crimping mechanism in an infrared welding device of the present utility model.

[0027] The numbers in the figure represent:

[0028] 1. Shell; 2. Base; 3. Hot pressing drive mechanism; 31. Heating moving assembly; 311. Motor; 312. Transmission assembly 1; 313. Heating block transmission shaft; 314. Synchronous belt conveyor assembly 1; 315. Heating block; 317. Heating rod; 318. Heating block moving plate; 32. Pressing drive assembly; 321. Motor 2; 322. Transmission assembly 2; 323. Pressing drive shaft; 324. Synchronous belt conveyor assembly 2; 325. Upper press-fitting plate; 326. Lower press-fitting plate; 327. Guide rod; 4. Separate double-station press-fitting mechanism; 41. Rotating assembly; 411. Rotating cylinder; 412. Rotating platform; 42. Press-fitting assembly; 421. Upper template; 422. Lower template; 423. Cylinder; 424. Upper template limit block; 425. Lower template limit block; 426. Guide rod. DETAILED DESCRIPTION

[0029] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0030] The terms “left,” “right,” “front,” “back,” “up,” and “down” mentioned in the following description are oriented in the viewing direction of the front view.

[0031] Example 1: In some embodiments, please refer to the accompanying drawings of the specification. Figures 1-6 , an infrared welding device, comprising a housing 1 and a base 2;

[0032] The housing 1 is provided with a heat-pressing driving mechanism 3 for heating the workpiece and driving the crimping.

[0033] The hot-pressing driving mechanism 3 comprises a heating moving assembly 31 and a pressure bonding driving assembly 32; the heating moving assembly 31 is connected with the upper end of the shell 1, the pressure bonding driving assembly 32 is connected with the shell 1, the heating moving assembly 31 is connected with the separated double-station pressure bonding mechanism 4; the pressure bonding driving assembly 32 is connected with the separated double-station pressure bonding mechanism 4;

[0034] The separated double-station pressure bonding mechanism 4 is installed on the base 2 and works in double-station and rotation mode;

[0035] The separated double-station pressure bonding mechanism 4 comprises a rotating assembly 41 and two groups of pressure bonding assemblies 42, the two groups of pressure bonding assemblies 42 are centrally symmetrical, the rotating assembly 41 is connected with the base 2, the rotating assembly 41 is connected with the pressure bonding assemblies 42, the heating moving assembly 31 is connected with the pressure bonding assemblies 42; the pressure bonding driving assembly 32 is connected with the pressure bonding assemblies 42;

[0036] When the operator needs hot-pressing, the workpiece is clamped into the die in one group of pressure bonding assemblies 42 close to the operator, then the one group of pressure bonding assemblies 42 is driven into the shell 1 by the rotating assembly 41, meanwhile the die of the other group of pressure bonding assemblies 42 is sent to the operator for feeding; then the hot-pressing driving mechanism 3 in the shell 1 heats and drives the pressure bonding assemblies 42 to close for hot-pressing, after the hot-pressing, the rotating assembly 41 sends the pressure bonding assemblies 42 with hot-pressed dies to the operator for feeding and discharging, and sends the die with feeding workpiece in the other group of pressure bonding assemblies 42 into the hot-pressing;

[0037] The utility model can realize reducing feeding and discharging and waiting time in the middle of hot-pressing, improving processing efficiency and reducing production cost.

[0038] The rotating assembly 41 comprises a rotating cylinder 411 and a rotating platform 412; the rotating cylinder 411 is fixedly connected with the base 2, the rotating platform 412 is fixedly connected with the driving end of the rotating cylinder 411, and the rotating platform 412 is connected with the pressure bonding assemblies 42;

[0039] The set of compression assemblies 42 includes an upper die plate 421, a lower die plate 422, a gas cylinder 423, an upper die plate limiting block 424, a lower die plate limiting block 425, and two guide rods 426; the two guide rods 426 are fixedly connected with the rotating platform 412, the lower end of the gas cylinder 423 is fixedly connected with the upper end of the rotating platform 412, the upper die plate 421 is located above the lower die plate 422, the upper die plate 421 and the lower die plate 422 are slidably connected with the two guide rods 426, the middle part of each of the two guide rods 426 is fixedly installed with the upper die plate limiting block 424 for limiting the upper die plate 421, the lower end of each of the two guide rods 426 is fixedly installed with the lower die plate limiting block 425 for limiting the lower die plate 422, the upper ends of the two guide rods 426 are fixedly connected through a connecting rod, the lower ends of the two guide rods 426 are fixedly connected with the rotating platform 412, the two guide rods 426 are arranged left and right and located in front of the gas cylinder 423, and the upper die plate 421 abuts against the driving end of the gas cylinder 423; the upper die plate 421 and the lower die plate 422 are connected with the compression driving assembly 32;

[0040] The operator puts two workpieces to be welded into the molds fixed by the upper die plate 421 and the lower die plate 422 through clamping, at this time, the upper die plate 421 is located at the upper end of the guide rod 426 under the pushing of the gas cylinder 423, and the lower die plate 422 is located on the upper side of the lower die plate limiting block 425, then the worker starts the device, rotates the rotating platform 412 through the rotary gas cylinder 411, rotates the set of compression assemblies 42 in which the workpieces are placed to enter the shell 1, at the same time, rotates another set of compression assemblies 42 to be fed to the front of the operator for feeding, the hot-pressing driving mechanism 3 in the shell 1 first heats the part to be welded of the workpiece, then drives the upper die plate 421 and the lower die plate 422 to be compressed to the middle, at this time, the upper die plate limiting block 424 limits the upper die plate 421, after hot-pressing, the driving end of the gas cylinder 423 pushes the upper die plate 421 upward to reset, the lower die plate 422 resets under the action of gravity, then the rotating platform 412 rotates through the rotary gas cylinder 411, the rotating platform 412 rotates to return the set of compression assemblies 42 in which hot-pressing is completed to the front of the operator for unloading, at the same time, the set of compression assemblies 42 in which feeding is completed is sent into the shell 1;

[0041] The utility model can realize reducing the waiting time during feeding, hot-pressing and discharging, improving the processing efficiency, and reducing the production cost.

[0042] The heating moving assembly 31 comprises a motor 311, a transmission assembly one 312, a heating block transmission shaft 313, two synchronous belt conveying assemblies one 314, a heating block 315, a heating rod 317 and a heating block moving plate 318; the motor 311 is fixedly connected to the rear upper end of the shell 1, the driving end of the motor 311 is in transmission connection with the heating block transmission shaft 313 through the transmission assembly one 312, the two ends of the heating block transmission shaft 313 are rotationally connected to the rear upper end of the shell 1, the two ends of the heating block transmission shaft 313 are symmetrically provided with the two synchronous belt conveying assemblies one 314, the synchronous belt conveying assembly one 314 is composed of a driving wheel, a driven wheel and a synchronous belt, the heating block transmission shaft 313 is fixedly connected to the driving wheel of the synchronous belt conveying assembly one 314, and the driven wheel of the synchronous belt conveying assembly one 314 is rotationally connected to the front upper end of the shell 1; the left and right ends of the heating block moving plate 318 are fixedly connected to the synchronous belts of the two synchronous belt conveying assemblies one 314, and the side wall of the heating block moving plate 318 is in limit sliding connection with the inner wall of the shell 1, so that the heating block moving plate 318 can move forward and backward, the lower end of the heating block moving plate 318 is fixedly connected with the heating block 315, and the heating rod 317 is embedded in the heating block 315;

[0043] The crimping driving assembly 32 comprises a motor two 321, a transmission assembly two 322, a crimping transmission shaft 323, two synchronous belt conveying assemblies two 324, an upper crimping plate 325, a lower crimping plate 326 and four guide rods 327; the motor two 321 is fixedly connected to the front upper end of the shell 1, the driving end of the motor two 321 is in transmission connection with the crimping transmission shaft 323 through the transmission assembly two 322, the two ends of the crimping transmission shaft 323 are rotationally connected to the front upper end of the shell 1, the two ends of the crimping transmission shaft 323 are symmetrically provided with the two synchronous belt conveying assemblies two 324, the synchronous belt conveying assembly two 324 is composed of a driving wheel, a driven wheel and a synchronous belt, the crimping transmission shaft 323 is fixedly connected to the driving wheel of the synchronous belt conveying assembly two 324, and the driven wheel of the synchronous belt conveying assembly two 324 is rotationally connected to the front lower end of the shell 1; the guide rods 327 are symmetrically fixedly installed on the inner side of the shell 1, the upper crimping plate 325 and the lower crimping plate 326 are in limit sliding connection with the guide rods 327, the upper crimping plate 325 and the lower crimping plate 326 are matched for crimping the upper die plate 421 and the lower die plate 422, and the upper crimping plate 325 is higher than the upper die plate 421 and the lower crimping plate 326 is lower than the lower die plate 422; the upper crimping plate 325 and the lower crimping plate 326 are fixedly connected to the synchronous belts of the synchronous belt conveying assemblies two 324 on the front and back sides respectively, so that the upper crimping plate 325 and the lower crimping plate 326 always move synchronously and reversely;

[0044] When the operator rotates the crimping assembly 42 into the shell 1, the heating rod 317 heats the heating block 315, and the motor 311 drives the end drive transmission assembly one 312, the transmission assembly one 312 drives the heating block transmission shaft 313 to rotate, the heating block transmission shaft 313 drives the two synchronous belt conveying assemblies one 314 to rotate, the two synchronous belt conveying assemblies one 314 drives the heating block moving plate 318 to move, the heating block moving plate 318 drives the heating block 315 and the heating rod 317 to move, at this time the heating block 315 is moved to between the upper die plate 421 and the lower die plate 422, then the motor two 321 drives the end drive transmission assembly two 322, the transmission assembly two 322 drives the crimping transmission shaft 323 to rotate, the crimping transmission shaft 323 drives the two synchronous belt conveying assemblies two 324 to rotate, the two synchronous belt conveying assemblies two 324 drives the upper crimping plate 325 and the lower crimping plate 326 to be extruded to the middle, then the upper crimping plate 325 pushes the upper die plate 421 to move downwards and tightly abuts against the heating block 315, the lower crimping plate 326 pushes the lower die plate 422 to move upwards and tightly abuts against the heating block 315, at this time the heating block 315 heats the upper and lower workpieces, then the motor two 321 rotates in the opposite direction to make the upper crimping plate 325 move upwards and the lower crimping plate 326 move downwards, the motor 311 drives the heating block moving plate 318 to move backwards and leave between the upper crimping plate 325 and the lower crimping plate 326, then the motor two 321 rotates again to push the upper crimping plate 325 to move downwards and the lower crimping plate 326 to move upwards again, so that the die fixed by the upper die plate 421 and the lower die plate 422 abuts against and welds the workpiece, after the workpiece is welded, the motor two 321 is started to drive the upper crimping plate 325 and the lower crimping plate 326 to reset, and the welding is completed.

[0045] The utility model discloses can realize to workpiece welding, can more accurate workpiece heating welding.

[0046] The transmission assembly one 312 and the transmission assembly two 322 adopt a transmission belt and a transmission belt wheel transmission structure, are made of a transmission belt and two transmission belt wheels, and are mature technologies on the market.

[0047] The above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to some technical features; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. An infrared soldering apparatus comprising a housing (1) and a base (2), characterized in that: The housing (1) is provided with a hot-pressing driving mechanism (3) for heating and driving the crimping of workpieces; The base (2) is provided with a split double-station crimping mechanism (4) for double-station and rotary work; The split double-station crimping mechanism (4) comprises a rotary assembly (41) and two sets of crimping assemblies (42), the two sets of crimping assemblies (42) are centrally symmetrical, the rotary assembly (41) is connected with the base (2), the rotary assembly (41) is connected with the crimping assemblies (42), and the crimping assemblies (42) are connected with the hot-pressing driving mechanism (3).

2. The infrared welding apparatus according to claim 1, wherein The hot-pressing driving mechanism (3) comprises a heating moving assembly (31) and a crimping driving assembly (32); the heating moving assembly (31) is connected with the upper end of the housing (1), the crimping driving assembly (32) is connected with the housing (1), the heating moving assembly (31) is connected with the crimping assemblies (42), and the crimping driving assembly (32) is connected with the crimping assemblies (42).

3. The infrared welding apparatus of claim 2, wherein, The rotary assembly (41) comprises a rotary cylinder (411) and a rotating platform (412); the rotary cylinder (411) is fixedly connected with the base (2), the rotating platform (412) is fixedly connected with the driving end of the rotary cylinder (411), and the rotating platform (412) is connected with the crimping assemblies (42).

4. The infrared welding apparatus according to claim 3, wherein The set of crimping assemblies (42) comprises an upper die plate (421), a lower die plate (422), a cylinder (423), an upper die plate limiting block (424), a lower die plate limiting block (425) and two guide rods (426); the two guide rods (426) are fixedly connected with the rotating platform (412), the lower end of the cylinder (423) is fixedly connected with the upper end of the rotating platform (412), the upper die plate (421) is located above the lower die plate (422), the upper die plate (421) and the lower die plate (422) are slidably connected with the two guide rods (426), the middle portions of the two guide rods (426) are fixedly provided with the upper die plate limiting blocks (424) for limiting the upper die plate (421), the lower ends of the two guide rods (426) are fixedly provided with the lower die plate limiting blocks (425) for limiting the lower die plate (422), the upper ends of the two guide rods (426) are fixedly connected through connecting rods, the lower ends of the two guide rods (426) are fixedly connected with the rotating platform (412), the two guide rods (426) are arranged leftward and rightward and located in front of the cylinder (423), and the upper die plate (421) abuts against the driving end of the cylinder (423); the upper die plate (421) and the lower die plate (422) are connected with the crimping driving assembly (32).

5. The infrared welding apparatus of claim 4, wherein The heating moving assembly (31) comprises a motor (311), a transmission assembly one (312), a heating block transmission shaft (313), two synchronous belt conveying assemblies one (314) and a heating assembly, the motor (311) is fixedly connected with the shell (1) on the rear upper end of the shell (1), the driving end of the motor (311) is in transmission connection with the heating block transmission shaft (313) through the transmission assembly one (312), the two ends of the heating block transmission shaft (313) are rotationally connected with the rear upper end of the shell (1), the two ends of the heating block transmission shaft (313) are symmetrically provided with the two synchronous belt conveying assemblies one (314), the synchronous belt conveying assembly one (314) is composed of a driving wheel, a driven wheel and a synchronous belt, the heating block transmission shaft (313) is fixedly connected with the driving wheel of the synchronous belt conveying assembly one (314), and the driven wheel of the synchronous belt conveying assembly one (314) is rotationally connected with the front upper end of the shell (1).

6. The infrared welding apparatus of claim 5, wherein, The heating assembly comprises a heating block (315), a heating rod (317) and a heating block moving plate (318), the left and right ends of the heating block moving plate (318) are fixedly connected with the synchronous belts of the two synchronous belt conveying assemblies one (314), and the side wall of the heating block moving plate (318) is in limit sliding connection with the inner wall of the shell (1), so that the heating block moving plate (318) can move forward and backward; the lower end of the heating block moving plate (318) is fixedly connected with the heating block (315), and the heating rod (317) is embedded in the heating block (315).

7. The infrared welding apparatus of claim 6, wherein The crimping drive assembly (32) comprises motor two (321), transmission assembly two (322), crimp transmission shaft (323), two synchronous belt conveying assembly two (324), upper crimping plate (325), lower crimping plate (326) and a plurality of guide rods (327); The motor two (321) is fixedly connected with the front side upper end of the shell (1), the driving end of the motor two (321) is in transmission connection with the crimp transmission shaft (323) through the transmission assembly two (322), the two ends of the crimp transmission shaft (323) are rotatably connected with the front upper end of the shell (1), the two ends of the crimp transmission shaft (323) are symmetrically provided with two synchronous belt conveying assembly two (324), the synchronous belt conveying assembly two (324) is composed of a driving wheel, a driven wheel and a synchronous belt, the crimp transmission shaft (323) is fixedly connected with the driving wheel of the synchronous belt conveying assembly two (324), and the driven wheel of the synchronous belt conveying assembly two (324) is rotatably connected with the front lower end of the shell (1); A plurality of guide rods (327) are symmetrically fixedly installed on the inner side of the shell (1), the upper crimping plate (325) and the lower crimping plate (326) are in limiting sliding connection with the guide rods (327), the upper crimping plate (325) and the lower crimping plate (326) are used for crimping the upper die plate (421) and the lower die plate (422) in cooperation, and the upper crimping plate (325) is higher than the upper die plate (421), and the lower crimping plate (326) is lower than the lower die plate (422); The upper crimping plate (325) and the lower crimping plate (326) are fixedly connected with the synchronous belt of the synchronous belt conveying assembly two (324) on the front and back sides respectively, so that the upper crimping plate (325) and the lower crimping plate (326) always move synchronously and reversely.

8. The infrared welding apparatus of claim 7, wherein, The transmission assembly one (312) and the transmission assembly two (322) both adopt a transmission belt and a transmission belt wheel transmission structure, which comprises a transmission belt and two transmission belt wheels.

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