CN221935872U - Assembling the pressure retaining structure - Google Patents

Abstract

The utility model relates to the technical field of electronic product assembly, in particular to an assembly pressure maintaining structure. The conveying line disclosed by the utility model is used for conveying the conveying jig loaded with the pressure maintaining product to the pressure maintaining station, the conveying mechanism is used for conveying the conveying jig to the feeding assembly, the feeding assembly is used for conveying the pressure maintaining product loaded with the pressure maintaining product to the lower part of the pressure maintaining head, the pressure maintaining head is driven by the pressure maintaining cylinder to be connected with the pressure maintaining product, and the pressure maintaining product is maintained through the pressure maintaining head, so that the pressure maintaining is carried out on the assembled product, and the stability, the firmness and the good connectivity of the assembled product are ensured; the pressure maintaining head is provided with a profiling surface matched with the pressure maintaining product, so that the problem that the pressure maintaining head is not matched with the pressure maintaining product can be avoided; the detection part is connected with the pressure maintaining head, and the detection part can detect the pressure of the pressure maintaining head on the pressure maintaining product, and can detect whether the pressure maintaining product is assembled in place according to the detection part while ensuring accurate pressure maintaining, so that manpower and time are saved, the efficiency is high, and the higher and higher production requirements can be met.

Description

Assembling the pressure retaining structure

Technical Field

The utility model relates to the technical field of electronic product assembly, and particularly to an assembly pressure-maintaining structure.

Background Art

At present, in the assembly process of electronic products, such as headphones, handles, and mobile phones, the two processes of product assembly and pressure holding are usually carried out separately through corresponding assembly tooling and pressure holding tooling. When mass production is carried out, personnel and tooling need to be invested separately, resulting in more personnel and tooling, resulting in higher investment costs. Therefore, how to make the tooling meet the needs of product assembly while meeting the needs of product pressure holding is an urgent problem to be solved.

Utility Model Content

The technical problem to be solved by the utility model is to provide an assembly pressure-maintaining structure with high efficiency, which has stable and firm assembly products, good connectivity, and saves manpower and time.

In order to solve the above technical problems, the technical solution adopted by the utility model to solve its technical problems is:

An assembly pressure-maintaining structure, comprising:

A conveying jig, on which a positioning component for loading a pressure-maintaining product is provided;

A conveying mechanism, including a conveying line, wherein the conveying line is used to transfer a conveying jig loaded with a pressure-maintaining product to a pressure-maintaining station;

A pressure-holding mechanism is arranged on the pressure-holding station, and the pressure-holding mechanism includes a pressure-holding component and a feeding component. The feeding component is used to transfer a conveying jig loaded with a pressure-holding product to the pressure-holding component, and the pressure-holding component is used to perform pressure-holding treatment on the pressure-holding product on the feeding component;

A transport mechanism, arranged on one side of the conveying mechanism, and used for transporting the conveying jig on the conveying mechanism to the feeding assembly;

Among them, the pressure-maintaining component includes a pressure-maintaining frame and a pressure-maintaining head. The pressure-maintaining frame is provided with a pressure-maintaining electric cylinder. The pressure-maintaining electric cylinder is drivingly connected to the detection component. The detection component is connected to the pressure-maintaining head. The pressure-maintaining head has a contoured surface matching the pressure-maintaining product. The pressure-maintaining electric cylinder is used to drive the pressure-maintaining head to perform pressure-maintaining detection on the pressure-maintaining product.

In one embodiment of the utility model, the detection component includes a guide frame, a connecting rod is passed through the guide frame, one end of the connecting rod is connected to the pressure-maintaining electric cylinder driving rod, and the other end is provided with a fixed block, so that the connecting rod cannot be detached from the guide frame, and a pressure sensor is provided on the guide frame, and the pressure sensor is connected to the fixed block by a spring.

In one embodiment of the utility model, it also includes a guide rod, the pressure maintaining head is arranged on the bottom surface of the pressure maintaining plate, the detection component is arranged on the top surface of the pressure maintaining plate, the pressure maintaining frame is provided with a guide sleeve, and the guide rod passes through the guide sleeve and is connected to the pressure maintaining plate.

In one embodiment of the utility model, the positioning assembly includes a jig block, the jig block is provided with a jig groove matching the pressure-maintaining product, and the positioning block is provided with a positioning plate, and the positioning plate presses and positions the pressure-maintaining product in the jig groove.

In one embodiment of the utility model, the conveyor line includes a conveyor frame and a conveyor motor arranged on the conveyor frame, belt lines are arranged on both sides of the conveyor frame, the conveyor motor is driven and connected to the two belt lines, guide bars are arranged on both sides of the conveyor frame, the guide bars are arranged opposite to the conveying jig, and the conveying jig is transported by driving the two belt lines through the conveying motor.

In one embodiment of the utility model, a lifting assembly is provided on the conveyor line, and the lifting assembly includes a lifting frame, and a lifting cylinder is provided on the lifting frame. The lifting cylinder is drivingly connected to the lifting plate, and the lifting cylinder drives the lifting plate to lift the conveying jig and separate it from the belt line.

In one embodiment of the utility model, the feeding assembly includes a feeding rail, a slide plate is slidably provided on the feeding rail, a plurality of positioning blocks are provided on the slide plate, and the plurality of positioning blocks are surrounded to form a positioning station. The conveying jig is arranged on the positioning station, and the slide plate is drivingly connected to the feeding cylinder, and the feeding cylinder drives the conveying jig on the slide plate to reciprocate along the feeding rail.

In one embodiment of the utility model, the conveying mechanism includes a driving assembly and a conveying frame, the conveying frame is provided with a material picking gripper, the material picking gripper includes a clamping cylinder, and the two clamping arms of the clamping cylinder are provided with a material picking frame, the driving assembly is connected to the conveying frame, and the driving assembly drives the conveying frame to move so that the clamping cylinder drives the two material picking frames to clamp the conveying jig.

In one embodiment of the utility model, a guide rail is provided on the transport rack, the material picking rack is slidably mounted on the guide rail, two material picking rods are provided on the material picking rack, material picking claws are provided on the free ends of the material picking rods, a material picking block is provided on the conveying jig, and a material picking slot matching the material picking claws is provided on the material picking block.

In one embodiment of the utility model, the driving assembly includes a driving frame, a first linear module is arranged on the driving frame, the first linear module is drivingly connected to the first bracket, a second linear module is arranged on the first bracket, the second linear module is drivingly connected to the second bracket, a third linear module is arranged on the second bracket, the third linear module is drivingly connected to the transport frame, and the first linear module, the second linear module and the third linear module are synchronously driven to drive the material picking gripper on the transport frame to pick up and place materials on the conveying jig.

Beneficial effects of the utility model:

The conveyor line of the utility model transfers the conveying fixture loaded with the pressure-maintaining product to the pressure-maintaining station, and the conveying mechanism then transfers the conveying fixture to the feeding assembly, and the feeding assembly transfers the pressure-maintaining product to the bottom of the pressure-maintaining head, and the pressure-maintaining electric cylinder drives the pressure-maintaining head to connect with the pressure-maintaining product, and the pressure-maintaining product is pressure-maintained by the pressure-maintaining head, so as to maintain the pressure of the assembled product after completion, and ensure that the assembled product is stable, firm and has good connectivity; the pressure-maintaining head is provided with a contoured surface that matches the pressure-maintaining product, which can avoid the problem of mismatch between the pressure-maintaining head and the pressure-maintaining product; the detection component is connected to the pressure-maintaining head, and the detection component can detect the pressure of the pressure-maintaining head on the pressure-maintaining product, and while ensuring precise pressure maintenance, it can also detect whether the pressure-maintaining product is assembled in place according to the detection component, saving manpower and time, with high efficiency, and being able to meet increasingly high production needs.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of an assembly pressure-maintaining structure of the utility model.

FIG. 2 is a schematic diagram of a pressure-maintaining mechanism of the present utility model.

FIG. 3 is a schematic diagram of a transport mechanism of the present invention.

FIG. 4 is a schematic diagram of a detection component of the present utility model.

Explanation of the numbers in the figure: 1. Conveying mechanism; 11. Belt line; 12. Conveying motor; 13. Guide strip; 14. Conveying frame; 2. Conveying fixture; 3. Positioning assembly; 31. Fixture block; 32. Fixture slot; 33. Positioning plate; 4. Ejecting assembly; 41. Ejecting frame; 42. Ejecting cylinder; 43. Ejecting plate; 5. Driving assembly; 51. Driving frame; 52. First linear module; 53. First bracket; 54. Second linear module; 55. Second bracket; 56. Third linear module; 6. Retrieving gripper ;61. Transport rack;62. Material picking rack;63. Guide rail;64. Claw cylinder;65. Material picking rod;66. Material picking claw;67. Material picking block;68. Material picking slot;7. Pressure-maintaining mechanism;71. Feeding slide rail;72. Slide plate;73. Positioning block;74. Feeding cylinder;75. Pressure-maintaining rack;76. Pressure-maintaining electric cylinder;77. Pressure-maintaining head;78. Pressure-maintaining plate;79. Guide rod;8. Detection component;81. Guide rack;82. Connecting rod;83. Fixing block;84. Pressure sensor;85. Spring.

DETAILED DESCRIPTION

The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.

1-4, an assembly pressure-maintaining structure includes:

A conveying fixture 2, on which a positioning component 3 for loading a pressure-maintaining product is provided;

The conveying mechanism 1 includes a conveying line, and the conveying line is used to transfer the conveying jig 2 loaded with the pressure-maintaining product to the pressure-maintaining station;

The pressure-holding mechanism 7 is arranged on the pressure-holding station, and the pressure-holding mechanism 7 includes a pressure-holding component and a feeding component. The feeding component is used to transfer the conveying fixture 2 loaded with the pressure-holding product to the pressure-holding component, and the pressure-holding component is used to perform pressure-holding treatment on the pressure-holding product on the feeding component;

A transport mechanism, which is arranged on one side of the conveying mechanism 1, and is used to transport the conveying fixture 2 on the conveying mechanism 1 to the feeding assembly;

Among them, the pressure-maintaining component includes a pressure-maintaining frame 75 and a pressure-maintaining head 77. The pressure-maintaining frame 75 is provided with a pressure-maintaining electric cylinder 76. The pressure-maintaining electric cylinder 76 is driven and connected to the detection component 8. The detection component 8 is connected to the pressure-maintaining head 77. The pressure-maintaining head 77 has a contoured surface matching the pressure-maintaining product. The pressure-maintaining electric cylinder 76 is used to drive the pressure-maintaining head 77 to perform pressure-maintaining detection on the pressure-maintaining product.

The conveying line of the utility model transfers the conveying fixture 2 loaded with the pressure-maintaining product to the pressure-maintaining station, and the conveying mechanism then transports the conveying fixture 2 to the feeding assembly, and the feeding assembly transfers the pressure-maintaining product to the bottom of the pressure-maintaining head 77, and the pressure-maintaining electric cylinder 76 drives the pressure-maintaining head 77 to connect with the pressure-maintaining product, and the pressure-maintaining product is pressure-maintained by the pressure-maintaining head 77, so as to maintain the pressure of the assembled product after completion, and ensure that the assembled product is stable, firm and has good connectivity; the pressure-maintaining head 77 has a contoured surface that matches the pressure-maintaining product, which can avoid the problem of mismatch between the pressure-maintaining head 77 and the pressure-maintaining product; the detection component 8 is connected to the pressure-maintaining head 77, and the detection component 8 can detect the pressure of the pressure-maintaining head 77 on the pressure-maintaining product, and while ensuring precise pressure maintenance, it can also detect whether the pressure-maintaining product is assembled in place according to the detection component 8, saving manpower and time, with high efficiency, and being able to meet increasingly high production needs.

In one embodiment of the utility model, the detection component 8 includes a guide frame 81, a connecting rod 82 is passed through the guide frame 81, one end of the connecting rod 82 is connected to the driving rod of the pressure-maintaining electric cylinder 76, and the other end is provided with a fixed block 83, so that the connecting rod 82 cannot be detached from the guide frame 81, and a pressure sensor 84 is provided on the guide frame 81, and the pressure sensor 84 is connected to the fixed block 83 by a spring 85.

Specifically, the pressure-maintaining electric cylinder 76 drives the pressure-maintaining head 77 to move toward the pressure-maintaining product for pressure-maintaining detection. The pressure-maintaining electric cylinder 76 drives the fixed block 83 on the connecting rod 82 to compress the spring 85 on the pressure sensor 84, and at the same time drives the pressure sensor 84 on the guide frame 81 to press the pressure-maintaining product together with the material picking head. When the pressure-maintaining head 77 performs pressure-maintaining operation on the pressure-maintaining product, the pressure of the pressure-maintaining head 77 on the pressure-maintaining product can be detected by the pressure sensor 84. While ensuring precise pressure maintenance, it is also possible to detect whether the pressure-maintaining product is assembled in place according to the pressure sensor 84.

In one embodiment of the utility model, it also includes a guide rod 79, the pressure maintaining head 77 is arranged on the bottom surface of the pressure maintaining plate 78, the detection component 8 is arranged on the top surface of the pressure maintaining plate 78, and a guide sleeve is arranged on the pressure maintaining frame 75. The guide rod 79 passes through the guide sleeve and is connected to the pressure maintaining plate 78.

Specifically, the guide rod 79 passes through the guide sleeve and is connected to the pressure-maintaining plate 78 , so as to guide the position of the pressure-maintaining head 77 , thereby improving the relative position accuracy between the pressure-maintaining head 77 and the pressure-maintaining product and achieving a good pressure-maintaining effect.

In one embodiment of the utility model, the positioning assembly 3 includes a jig block 31, on which a jig groove 32 matching the pressure-maintaining product is opened, and a positioning plate 33 is provided on the positioning block 73, and the positioning plate 33 presses and positions the pressure-maintaining product in the jig groove 32.

Specifically, the product is placed in the jig groove 32, and the positioning plate 33 presses and positions the pressure-maintaining product in the jig groove 32, which can avoid displacement of the product during processing, ensure the stability of transportation, and at the same time ensure the position accuracy of the product during pressure maintenance, thereby improving the pressure maintenance effect.

In one embodiment of the utility model, the conveyor line includes a conveyor frame 14 and a conveying motor 12 arranged on the conveyor frame 14, belt lines 11 are arranged on both sides of the conveyor frame 14, the conveying motor 12 is driven and connected to the two belt lines 11, guide bars 13 are arranged on both sides of the conveyor frame 14, the guide bars 13 are arranged opposite to the conveying jig 2, and the two belt lines 11 are driven by the conveying motor 12 to transport the conveying jig 2.

Specifically, the conveying jig 2 is placed on the conveying line, and the two belt lines 11 are driven to run synchronously by the conveying motor 12. The two belt lines 11 convey the conveying jig 2 to the pressure holding station. The guide bar 13 can guide the conveying direction of the conveying jig 2 to avoid position deviation of the conveying jig 2 and improve the transmission accuracy.

In one embodiment of the utility model, a lifting assembly 4 is provided on the conveying line, and the lifting assembly 4 includes a lifting frame 41, and a lifting cylinder 42 is provided on the lifting frame 41. The lifting cylinder 42 is drivingly connected to a lifting plate 43, and the lifting cylinder 42 drives the lifting plate 43 to lift the conveying fixture 2 and separate it from the belt line 11.

Specifically, the ejection cylinder 42 drives the ejection plate 43 to lift the conveying jig 2 so that the bottom surface of the conveying jig 2 is separated from the belt line 11. Lifting the conveying jig 2 can locate its position, reduce the difficulty of subsequent material removal, and improve processing efficiency.

In one embodiment of the utility model, the feeding assembly includes a feeding slide rail 71, a slide plate 72 is slidably provided on the feeding slide rail 71, a plurality of positioning blocks 73 are provided on the slide plate 72, and a plurality of positioning blocks 73 are arranged to form a positioning station. The conveying fixture 2 is arranged on the positioning station, and the slide plate 72 is drivingly connected to the feeding cylinder 74, and the feeding cylinder 74 drives the conveying fixture 2 on the slide plate 72 to reciprocate along the feeding slide rail 71.

Specifically, the three-axis mobile module structure drives the conveying jig 2 on the material picking gripper 6 to move to a positioning station formed by a plurality of positioning blocks 73. The conveying jig 2 is quickly positioned by the positioning blocks 73 on the positioning station. The feeding cylinder 74 drives the conveying jig 2 on the slide 72 to move along the feeding slide rail 71, and the conveying jig 2 is transported to the bottom of the pressure maintaining head 77. The conveying jig 2 can be stably transmitted, thereby speeding up the work rhythm.

In one embodiment of the utility model, the conveying mechanism includes a driving component 5 and a conveying frame 61, and a material picking gripper 6 is provided on the conveying frame 61. The material picking gripper 6 includes a clamping cylinder 64, and a material picking frame 62 is provided on the two clamping arms of the clamping cylinder 64. The driving component 5 is connected to the conveying frame 61 by driving, and the driving component 5 drives the conveying frame 61 to move so that the clamping cylinder 64 drives the two material picking frames 62 to clamp the conveying fixture 2.

In one embodiment of the utility model, a guide rail 63 is provided on the transport frame 61, the material picking frame 62 is slidably arranged on the guide rail 63, two material picking rods 65 are provided on the material picking frame 62, and material picking claws 66 are provided on the free ends of the material picking rods 65, and a material picking block 67 is provided on the conveying fixture 2, and a material picking slot 68 matching the material picking claws 66 is provided on the material picking block 67.

Specifically, the three-axis mobile module structure drives the material picking gripper 6 to move to the raised conveying fixture 2, drives the transport frame 61 to move so that the clamping cylinder 64 drives the two material picking frames 62 to clamp the conveying fixture 2, so that the material picking clamping claw 66 is clamped in the material picking slot 68 of the material picking block 67, which can ensure the material picking stability of the material picking gripper 6, so that there will be no shaking when transporting the conveying fixture 2, and the guide rail 63 can ensure the moving accuracy of the two material picking frames 62, ensure the stability of the reciprocating motion, and ensure the transportation accuracy.

In one embodiment of the utility model, the driving assembly 5 includes a driving frame 51, on which a first linear module 52 is arranged, the first linear module 52 is drivingly connected to a first bracket 53, the first bracket 53 is provided with a second linear module 54, the second linear module 54 is drivingly connected to a second bracket 55, the second bracket 55 is provided with a third linear module 56, the third linear module 56 is drivingly connected to the conveying frame 61, and the first linear module 52, the second linear module 54, and the third linear module 56 are synchronously driven to drive the material picking gripper 6 on the conveying frame 61 to pick up and place materials on the conveying fixture 2.

Specifically, the first linear module 52, the second linear module 54, and the third linear module 56 are arranged perpendicular to each other to form a three-axis moving module structure, which can drive the material grabber 6 to move in space, and can quickly and accurately transport the conveying fixture 2, avoid position deviation of the conveying fixture 2, and improve transmission accuracy.

Usage Process

The product is placed in the jig groove 32, and the positioning plate 33 presses and positions the pressure-holding product in the jig groove 32, which can avoid displacement of the product during processing, ensure the stability of transportation, and at the same time ensure the position accuracy of the product during pressure holding, improve the pressure holding effect, place the conveying jig 2 on the conveyor line, and drive the two belt lines 11 to run synchronously through the conveying motor 12. The two belt lines 11 convey the conveying jig 2 to the pressure holding station. The guide strip 13 can guide the conveying direction of the conveying jig 2 to avoid position deviation of the conveying jig 2 and improve the transmission accuracy. The ejection cylinder 42 drives the ejection plate 43 to lift the conveying fixture 2, so that the bottom surface of the conveying fixture 2 is separated from the belt line 11. The lifting of the conveying fixture 2 can locate its position, reduce the difficulty of subsequent material collection, and improve the processing efficiency. The three-axis mobile module structure drives the material collection gripper 6 to move to the lifted conveying fixture 2, drives the transport frame 61 to move so that the clamping cylinder 64 drives the two material collection frames 62 to clamp the conveying fixture 2, so that the material collection claw 66 is clamped in the material collection slot 68 of the material collection block 67, which can ensure the material collection stability of the material collection gripper 6 , so that the conveying fixture 2 will not shake when being transported, ensuring the handling accuracy, the three-axis mobile module structure drives the conveying fixture 2 on the material picking gripper 6 to move to the positioning station formed by multiple positioning blocks 73, and the conveying fixture 2 is quickly positioned by the positioning blocks 73 on the positioning station, and the feeding cylinder 74 drives the conveying fixture 2 on the slide plate 72 to move along the feeding slide rail 71, and the conveying fixture 2 is transported to the bottom of the pressure-maintaining head 77, and the pressure-maintaining electric cylinder 76 drives the pressure-maintaining head 77 to move toward the pressure-maintaining product for pressure-maintaining detection, and the pressure-maintaining electric cylinder 76 drives the connecting rod The fixed block 83 on 82 compresses the spring 85 on the pressure sensor 84, and at the same time drives the pressure sensor 84 on the guide frame 81 to be pressed synchronously with the material picking head on the pressure-holding product. When the pressure-holding head 77 performs the pressure-holding operation on the pressure-holding product, the pressure of the pressure-holding head 77 on the pressure-holding product can be detected by the pressure sensor 84. While ensuring precise pressure holding, it is also possible to detect whether the pressure-holding product is assembled in place according to the pressure sensor 84. After completing the pressure holding, the conveying fixture 2 is transported to the conveying line driven by the material picking gripper 6, and the conveying line then transmits the conveying fixture 2 to the next process.

The above-described embodiments are only preferred embodiments for fully illustrating the present utility model, and the protection scope of the present utility model is not limited thereto. Equivalent substitutions or changes made by technicians in the technical field on the basis of the present utility model are all within the protection scope of the present utility model. The protection scope of the present utility model shall be subject to the claims.

Claims (10)

1. An assembled pressure maintaining structure, comprising:

The conveying jig is provided with a positioning assembly for loading pressure maintaining products;

The conveying mechanism comprises a conveying line, wherein the conveying line is used for conveying the conveying jig loaded with the pressure maintaining products to the pressure maintaining station;

The pressure maintaining mechanism is arranged on the pressure maintaining station and comprises a pressure maintaining component and a feeding component, the feeding component is used for transmitting a conveying jig loaded with pressure maintaining products to the pressure maintaining component, and the pressure maintaining component is used for carrying out pressure maintaining treatment on the pressure maintaining products on the feeding component;

the conveying mechanism is arranged at one side of the conveying mechanism and is used for conveying the conveying jig on the conveying mechanism to the feeding assembly;

The pressure maintaining assembly comprises a pressure maintaining frame and a pressure maintaining head, a pressure maintaining electric cylinder is arranged on the pressure maintaining frame and is in driving connection with the detecting component, the detecting component is connected with the pressure maintaining head, a profiling surface matched with a pressure maintaining product is arranged on the pressure maintaining head, and the pressure maintaining electric cylinder is used for driving the pressure maintaining head to carry out pressure maintaining detection on the pressure maintaining product.

2. The assembly pressure maintaining structure according to claim 1, wherein the detecting component comprises a guide frame, a connecting rod is arranged on the guide frame in a penetrating manner, one end of the connecting rod is connected with a pressure maintaining electric cylinder driving rod, the other end of the connecting rod is provided with a fixed block, the connecting rod cannot be separated from the guide frame, a pressure sensor is arranged on the guide frame, and the pressure sensor is connected with the fixed block through a spring.

3. The assembled pressure maintaining structure according to claim 1, further comprising a guide rod, wherein the pressure maintaining head is arranged on the bottom surface of the pressure maintaining plate, the detection component is arranged on the top surface of the pressure maintaining plate, a guide sleeve is arranged on the pressure maintaining frame, and the guide rod penetrates through the guide sleeve to be connected with the pressure maintaining plate.

4. The assembly pressure maintaining structure according to claim 1, wherein the positioning assembly comprises a jig block, a jig groove matched with the pressure maintaining product is formed in the jig block, and a positioning plate is arranged on the jig block and used for pressing and positioning the pressure maintaining product in the jig groove.

5. The assembly pressure maintaining structure according to claim 1, wherein the conveying line comprises a conveying frame and a conveying motor arranged on the conveying frame, belt lines are arranged on two sides of the conveying frame, the conveying motor is in driving connection with the two belt lines, guide strips are arranged on two sides of the conveying frame and are opposite to the conveying jig, and the conveying jig is conveyed through the two belt lines driven by the conveying motor.

6. The assembly pressure maintaining structure according to claim 5, wherein the conveying line is provided with a material ejection assembly, the material ejection assembly comprises a material ejection frame, the material ejection frame is provided with a material ejection cylinder, the material ejection cylinder is in driving connection with a material ejection plate, and the material ejection cylinder drives the material ejection plate to lift the conveying jig and separate from the belt line.

7. The assembly pressure maintaining structure according to claim 1, wherein the feeding assembly comprises a feeding sliding rail, a sliding plate is arranged on the feeding sliding rail in a sliding manner, a plurality of positioning blocks are arranged on the sliding plate, a positioning station is formed by surrounding the plurality of positioning blocks, the conveying jig is arranged on the positioning station, the sliding plate is in driving connection with a feeding air cylinder, and the feeding air cylinder drives the conveying jig on the sliding plate to reciprocate along the feeding sliding rail.

8. The assembly pressure maintaining structure according to claim 1, wherein the carrying mechanism comprises a driving assembly and a carrying frame, the carrying frame is provided with a material taking gripper, the material taking gripper comprises a clamping jaw cylinder, two clamping arms of the clamping jaw cylinder are provided with material taking frames, the driving assembly is in driving connection with the carrying frame, and the driving assembly drives the carrying frame to move so that the clamping jaw cylinder drives the two material taking frames to clamp the conveying jig.

9. The assembly pressure maintaining structure according to claim 8, wherein a guide rail is arranged on the carrying frame, the material taking frame is arranged on the guide rail in a sliding mode, two material taking rods are arranged on the material taking frame, material taking clamping jaws are arranged on free ends of the material taking rods, material taking blocks are arranged on the conveying jig, and material taking clamping grooves matched with the material taking clamping jaws are formed in the material taking blocks.

10. The assembly pressure maintaining structure according to claim 8, wherein the driving assembly comprises a driving frame, a first linear module is arranged on the driving frame and is in driving connection with a first support, a second linear module is arranged on the first support and is in driving connection with the second support, a third linear module is arranged on the second support and is in driving connection with the carrying frame, and the material taking and discharging device is synchronously driven by the first linear module, the second linear module and the third linear module to take and discharge materials from the material taking grip on the carrying frame.