CN219444937U - Assembling pressure maintaining device - Google Patents

Abstract

The utility model discloses an assembly pressure maintaining device which comprises an incoming material jig, a jacking component and a pressing pressure maintaining component, wherein the jacking component is positioned below the pressing pressure maintaining component, the pressing pressure maintaining component comprises a first pressing plate, a balancing weight positioned above the first pressing plate, a first support and a first driving mechanism for driving the first support to move up and down, the first pressing plate is connected with the balancing weight through a first connecting rod, a first guide hole matched with the first connecting rod is formed in the first support, the incoming material jig can pass through the jacking component and the first pressing plate, the jacking component can jack and position the incoming material jig, and the first pressing plate can perform pressing pressure maintaining on products on the incoming material jig. According to the utility model, the weight of the balancing weight is used for pressing and maintaining pressure of the first pressing plate, so that defects such as scratch, dirt, falling and displacement of the product are not easily caused, the production efficiency, the quality and yield of the product are improved, the universality is strong, and the cost is reduced.

Description

Assembling pressure maintaining device

Technical Field

The utility model relates to assembly pressure maintaining equipment, in particular to an assembly pressure maintaining device.

Background

In the production of precision electronic products, some component products are formed by transfer-pasting die-cut pieces and double-sided adhesive pieces, and the assembled products are required to be pressed and pressure-maintained so as to ensure the drawing force of the double-sided adhesive. However, the traditional mode is that the product is placed on corresponding tool manually, then tools such as briquetting are used to pressfitting pressurize to the product manually, and the operation is inconvenient, great to manual demand, inefficiency, cause product fish tail, dirty, drop, aversion etc. bad easily, the precision is low to influence the quality and the yield of production efficiency and product, be unfavorable for production management and control, with high costs, can not satisfy the production demand of getting higher and higher.

Disclosure of Invention

The utility model aims to provide an assembly pressure maintaining device which can solve at least one of the technical problems, and the technical scheme of the utility model is as follows:

the utility model provides an equipment pressure maintaining device, including the material tool, jacking subassembly and pressfitting pressure maintaining subassembly, the jacking subassembly is located the below of pressfitting pressure maintaining subassembly, the material tool is used for placing corresponding product, the pressfitting pressure maintaining subassembly includes first clamp plate, be located the balancing weight of first clamp plate top, first support and the first actuating mechanism of the up-and-down motion of drive first support, first clamp plate is connected through the head rod with the balancing weight, be provided with on the first support with head rod matched with first guiding hole, the material tool can follow between jacking subassembly and the first clamp plate, the jacking subassembly can carry out jacking location in future the material tool, first support can drive first clamp plate and balancing weight up-and-down motion together, under the gravity effect of balancing weight, first clamp plate can carry out pressfitting pressurize to the product on the material tool.

In some embodiments, the jacking assembly includes a first top plate and a second drive mechanism that drives the first top plate up and down.

In some embodiments, the first driving mechanism and the second driving mechanism are mounted on a first bracket, an upper limiting plate matched with an incoming material jig is arranged on the first bracket, and a first limiting part matched with the upper limiting plate is arranged on the incoming material jig.

In some embodiments, the feeding jig is driven by a corresponding conveying device to pass through between the jacking assembly and the first pressing plate for conveying, and limit stops are respectively arranged at two ends of the feeding jig.

In some embodiments, the first wear plates are disposed on two sides of the bottom of the feeding jig.

In some embodiments, a first flexible platen is disposed on the first platen.

In some embodiments, the lower end of the first connecting rod is fixedly connected with the first pressing plate, the upper end of the first connecting rod is fixedly connected with the counterweight base, a first guide sleeve connected with the first connecting rod is arranged on the first guide hole, a first groove body for accommodating the counterweight is arranged on the counterweight base, and the counterweight is detachably connected with the counterweight base.

In some embodiments, a plurality of first positioning grooves for placing products are arranged on the feeding jig side by side, a first suction hole for sucking the products is arranged on the bottom surface of each first positioning groove, all the first suction holes are communicated with a first air passage, and the first air passage is connected with a corresponding vacuumizing device.

In some embodiments, be provided with on the incoming material tool and rotate swager spare and with rotate swager spare matched with push rod subassembly, rotate swager spare and can compress tightly the one end of placing the product in first constant head tank, push rod subassembly can promote to rotate swager spare and rotate in order to make to rotate swager spare and loosen the product.

In some embodiments, the rotating pressing assembly comprises a rotating pressing plate, the push rod assembly comprises a first push rod, a first limiting plate and a first elastic piece, the first push rod is connected with the first limiting plate through a second connecting rod, a second guide hole matched with the second connecting rod is formed in the feeding jig, one end of the first elastic piece is pressed against the first limiting plate, the other end of the first elastic piece is pressed against the feeding jig, a first pressing part is arranged at one end of the rotating pressing plate, a first pushing part matched with the first push rod is arranged at the other end of the rotating pressing plate, a first torsion spring is arranged in the middle of the rotating pressing plate and hinged with the feeding jig through a first rotating shaft, the first pressing part can press one end of a product, a corresponding driving mechanism can drive the first limiting plate and the first push rod to move together, the first push rod can push the rotating pressing plate to rotate so that the first pressing part can loosen the product, and meanwhile the rotating pressing plate rotates so that the first torsion spring rotates.

The beneficial effects of the utility model are as follows: the product positioning of waiting pressfitting pressurize is placed on the incoming material tool, the incoming material tool can adopt conveyor drive such as belt feeder to pass between jacking subassembly and the first clamp plate and carry, when the incoming material tool is located between jacking subassembly and the first clamp plate, jacking subassembly carries out jacking location with the incoming material tool earlier, then the first support downstream of first actuating mechanism drive of pressfitting pressurize subassembly, first support drives first clamp plate, head rod and balancing weight downstream together, after the product on the incoming material tool is pushed down to first clamp plate, do not need first actuating mechanism to have decurrent effort to first clamp plate, head rod and balancing weight remain motionless, rely on the dead weight of balancing weight, make first clamp plate to the product pressfitting pressurize, guarantee that the product is stable, firmly laminating, first support can slide suitable distance down along the head rod through first guiding hole, and so on, convenient for operation, and fast, manpower and time are saved, high efficiency, the precision is high, be difficult for causing the product fish tail, dirty, drop, aversion, poor stability and reliability, and high-quality control are used for the product quality control, and high-quality control are realized, and the product quality is convenient for the application, and high-quality control and production and high-quality requirements are satisfied.

In addition, in the technical scheme of the utility model, the technical scheme can be realized by adopting conventional means in the field without specific description.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of an assembled pressure maintaining device according to an embodiment of the present utility model.

Fig. 2 is a schematic structural view of an assembled pressure maintaining device according to an embodiment of the present utility model.

Fig. 3 is a schematic partial structure of an assembled pressure maintaining device according to an embodiment of the present utility model.

Fig. 4 is a schematic structural diagram of an incoming tool according to an embodiment of the utility model.

Fig. 5 is a schematic partial structure of an incoming tool according to an embodiment of the utility model.

Fig. 6 is a schematic structural diagram of a rotary pressing assembly, a first rotating shaft and a first torsion spring according to an embodiment of the present utility model.

Fig. 7 is a schematic structural view of a push rod assembly according to an embodiment of the present utility model.

In the drawing, the reference numerals indicate that the feeding jig 1, the first limiting portion 101, the limit stop 102, the first positioning groove 103, the first suction hole 104, the first air channel 105, the second guide hole 106, the first chute 107, the first avoiding groove 108, the second chute 109, the first wear plate 11, the rotary pressing assembly 12, the rotary pressing plate 121, the first pressing portion 122, the first pushing portion 123, the push rod assembly 13, the first push rod 131, the first limiting plate 132, the first elastic member 133, the second connecting rod 134, the first rotating shaft 14, the first torsion spring 15, the jacking assembly 2, the first top plate 21, the second driving mechanism 22, the pressing pressure maintaining assembly 3, the first pressing plate 31, the pressing projection 311, the first flexible pressing plate 312, the balancing weight 32, the first support 33, the first guide hole 331, the first guide sleeve 332, the first guide rod 333, the first driving mechanism 34, the first connecting rod 35, the balancing weight seat 36, the first chute 361, the first support 4, the upper limiting plate 41, and the second guide sleeve 42.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are illustrative of some, but not all embodiments of the utility model and are not intended to limit the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", "both ends", "two sides", "bottom", "top", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the elements referred to must have a specific orientation or be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "superior," "subordinate," "primary," "secondary," and the like are used for descriptive purposes only and may be used simply to more clearly distinguish between different components and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or communicating between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 to 7, the assembling pressure maintaining device according to the present utility model is schematically shown, and includes an incoming material jig 1, a jacking component 2 and a pressing pressure maintaining component 3, where the jacking component 2 is located below the pressing pressure maintaining component 3, the incoming material jig 1 is used for positioning and placing corresponding products, the jacking component 2 and the pressing pressure maintaining component 3 can be installed on a first bracket 4, the incoming material jig 1 can be placed on a corresponding conveying device such as a belt conveyor, so that the incoming material jig 1 passes through and is conveyed between the jacking component 2 and the first pressure plate 31, the jacking component 2 is used for jacking and positioning the incoming material jig 1, and the pressing pressure maintaining component 3 is used for pressing and maintaining the products on the incoming material jig 1.

The pressing pressure maintaining assembly 3 comprises a first pressing plate 31, a balancing weight 32 positioned above the first pressing plate 31, a first support 33 and a first driving mechanism 34, wherein the first driving mechanism 34 can adopt an air cylinder, an oil cylinder, an electric cylinder, a linear module and the like, the first driving mechanism 34 drives the first support 33 to move up and down, the first pressing plate 31 is connected with the balancing weight 32 through a first connecting rod 35, the upper end of the first connecting rod 35 is connected with the balancing weight 32, the lower end of the first connecting rod 35 is connected with the first pressing plate 31, a first guide hole 331 matched with the first connecting rod 35 is formed in the first support 33, and the first support 33 can slide up and down along the first connecting rod 35 through the first guide hole 331. The weight 32 may be weights, the number and arrangement of the first connecting rod 35 and the first guide hole 331 may be one, two or more, and the number and arrangement of the first driving mechanisms 34 may be determined according to specific situations, for example, two symmetrically arranged first driving mechanisms 34 synchronously drive the first support 33 to move up and down.

In the use, the product location of waiting to pressfitting pressurize is placed on incoming material tool 1, incoming material tool 1 can adopt conveyor drive such as belt feeder to pass between jacking subassembly 2 and first clamp plate 31 and carry, when incoming material tool 1 is located between jacking subassembly 2 and the first clamp plate 31, jacking subassembly 2 carries out jacking location with incoming material tool 1 earlier, then the first actuating mechanism 34 of pressfitting pressurize subassembly 3 drives first support 33 downward movement, first support 33 drives first clamp plate 31, head rod 35 and balancing weight 32 together downward movement, after the product on the incoming material tool 1 is pushed down to first clamp plate 31, do not need first actuating mechanism 34 to have decurrent effort to first clamp plate 31, head rod 35 and balancing weight 32 keep motionless, make first clamp plate 31 carry out pressfitting pressurize to the product, guarantee that the product is stable, laminating firmly, first support 33 can slide appropriate distance down along head rod 35 through first guiding hole 331, have certain cushioning effect, high-speed and high-efficient and high-speed and high-efficient and high-quality control, thereby, the production line is convenient for production, high-speed and high-quality and high-speed and high-quality control, and high-quality production line of safety and high-speed and easy to drop, and high-quality production line of production, and high-quality and high-speed quality production line reliability.

The jacking assembly 2 comprises a first top plate 21 and a second driving mechanism 22 for driving the first top plate 21 to move up and down, wherein the second driving mechanism 22 can adopt an air cylinder, an oil cylinder, an electric cylinder, a linear module and the like, and the second driving mechanism 22 drives the first top plate 21 to move up, so that the first top plate 21 jacks up and positions the incoming material jig 1. Further, a plurality of positioning columns can be arranged on the first top plate 21, positioning holes matched with the positioning columns in a one-to-one correspondence manner can be formed in the feeding jig 1, guide sleeves matched with the positioning columns can be further arranged in the positioning holes, the guide sleeves can be shaft sleeves, linear bearings and the like, and the feeding jig is higher in precision, more stable and reliable.

The first driving mechanism 34 and the second driving mechanism 22 are installed on the first support 4, the first support 4 is further provided with an upper limiting plate 41 matched with the feeding jig 1, the feeding jig 1 is provided with a first limiting part 101 matched with the upper limiting plate 41, the first limiting part 101 can be an L-shaped limiting step or other suitable structures, the lifting assembly 2 lifts up the feeding jig 1 upwards until the first limiting part 101 is pressed against the upper limiting plate 41, and accordingly lifting and positioning are carried out on the feeding jig 1, and the lifting assembly is safer and more reliable.

The first support 33 is further provided with a first guide rod 333, the first support 4 is provided with a second guide sleeve 42 which is in sliding connection with the first guide rod 333, the second guide sleeve 42 can be a shaft sleeve, a linear bearing and the like, the number and arrangement of the first guide rod 333 and the second guide sleeve 42 are determined according to specific conditions, the first driving mechanism 34 drives the first support 33 to move up and down, and meanwhile the first guide rod 333 slides up and down along the second guide sleeve 42, so that the movement precision is higher and more stable.

The feeding jig 1 can be placed on a conveying device such as a belt conveyor and the like, and the conveying device drives the feeding jig 1 to pass through between the jacking assembly 2 and the first pressing plate 31 for conveying. The limit stop 102 is arranged at two ends of the incoming material jig 1 respectively, the limit stop 102 can adopt elastic blocks such as rubber, polyurethane, silica gel and high-strength rubber, when a plurality of incoming material jigs 1 are sequentially placed on a conveying device for conveying, the limit stop 102 can prevent the incoming material jig 1 from directly colliding with the incoming material jigs 1 adjacent to the incoming material jigs from front to back, damage to the incoming material jigs 1 is reduced, and the like, so that the incoming material jig is safer and more reliable.

The bottom both sides of feed tool 1 are provided with first abrasionproof board 11 respectively, and wear-resisting board that first abrasionproof board 11 can adopt steel sheet, iron plate or other materials to make, and flatness etc. of feed tool 1 can be guaranteed better to first abrasionproof board 11, and then the pressfitting precision of product improves.

The lower extreme and the first clamp plate 31 fixed connection of head rod 35, balancing weight 32 are installed on counter weight seat 36, and the upper end and the counter weight seat 36 fixed connection of head rod 35, such as fastener fixed connection through screw etc. operate more conveniently. Be provided with the first cell body 361 of settling balancing weight 32 on the counter weight seat 36, balancing weight 32 can dismantle with counter weight seat 36 and be connected, according to actual conditions, through changing the balancing weight 32 of different weight, the pressfitting pressurize of being applicable to different specification products of being convenient for, the commonality is high, and application scope is wide. The first guide hole 331 is provided with a first guide sleeve 332 connected to the first connecting rod 35, and the first guide sleeve 332 may be a shaft sleeve, a linear bearing, etc., so that the movement is more stable, etc.

The bottom of first clamp plate 31 is provided with presses material lug 311, is provided with first flexible pressure flitch 312 on pressing the material lug 311, and first flexible pressure flitch 312 can be flexible board such as rubber, polyurethane, silica gel, excellent power glue, simple structure can reduce the damage etc. of product, improves the quality and the yield of product.

The feeding jig 1 is provided with a plurality of first positioning grooves 103 for placing products side by side, the first positioning grooves 103 are also provided with first avoiding grooves 108 and the like which are used for corresponding to corresponding parts of the products, the bottom surface of each first positioning groove 103 is provided with first suction holes 104 for sucking the products, the number and arrangement of the first positioning grooves 103 and the first suction holes 104 are determined according to specific conditions, all the first suction holes 104 are communicated with the first air channels 105, and the first air channels 105 are connected with corresponding vacuumizing devices, so that the products are positioned in the first positioning grooves 103 more stably and reliably, and the products are pressed and maintained better.

Be provided with on the incoming material tool 1 and rotate the swager subassembly 12 and with rotate swager subassembly 12 matched with push rod subassembly 13, the product location is placed in the first constant head tank 103 of incoming material tool 1, rotates swager subassembly 12 and can compress tightly the one end of the product of placing in first constant head tank 103, guarantees that the product is positioned better and is placed, when the product is taken off from the incoming material tool 1 after the pressfitting pressurize, push rod subassembly 13 promotes and rotates the swager subassembly 12 for rotate swager subassembly 12 and loosen the product, then take off the product, the operation is more convenient, more stable, reliable.

The rotary pressing assembly 12 comprises a rotary pressing plate 121, the push rod assembly 13 comprises a first push rod 131, a first limiting plate 132 and a first elastic piece 133, the first push rod 131 is connected with the first limiting plate 132 through a second connecting rod 134, one end of the second connecting rod 134 is fixedly connected with the first push rod 131, the other end of the second connecting rod 134 is fixedly connected with the first limiting plate 132, a second guide hole 106 matched with the second connecting rod 134 is formed in the feeding jig 1, one end of the first elastic piece 133 is pressed against the first limiting plate 132, the other end of the first elastic piece 133 is pressed against the feeding jig 1, one end of the rotary pressing plate 121 is provided with a first pressing part 122, the first pressing part 122 is used for pressing one end of a product placed in the first positioning groove 103, the other end of the rotary pressing plate 121 is provided with a first pushing part 123 matched with the first push rod 131, the middle of the rotary pressing plate 121 is hinged with the feeding jig 1 through a first rotating shaft 14, the first rotating shaft 14 is fixedly connected with the feeding jig 1 in the circumferential direction of the rotary pressing plate 121, the first rotating shaft 14 is connected with the first torsion spring 15, and the first torsion spring 121 is connected with the first rotating arm 15. Under the action of the first torsion spring 15, when the first pressing part 122 of the rotary pressing plate 121 elastically presses one end of the product, the first pushing part 123 of the rotary pressing plate 121 abuts against the first push rod 131, and the first pressing part 122 elastically presses one end of the product, so that damage to the product and the like can be prevented; when the rotary pressing plate 121 is required to loosen a product, corresponding driving mechanisms such as an air cylinder, an oil cylinder, an electric cylinder, a linear module and the like drive the first limiting plate 132 to move, the second connecting rod 134 slides along the second guide hole 106, so that the first limiting plate 132 moves together with the first push rod 131 and the first elastic piece 133 is elastically deformed, the first push rod 131 moves to push the rotary pressing plate 121 to rotate, the rotary pressing plate 121 rotates to enable the first pressing part 122 to loosen the product, and meanwhile, the rotary pressing plate 121 rotates to enable the first torsion spring 15 to twist; after the first limiting plate 132 is forced to contact, the first elastic member 133 elastically restores to push the first limiting plate 132 and the first push rod 131 to return, and the first torsion spring 15 elastically restores to push the rotary pressing plate 121 to return.

The number and arrangement of the first torsion springs 15 on the first rotating shaft 14 may be one, two or more, the size and arrangement of the first torsion springs 15 are determined according to specific situations, the number and arrangement of the second connecting rods 134 and the second guiding holes 106 are determined according to specific situations, shaft sleeves, linear bearings and the like can be arranged in the second guiding holes 106, protruding blocks hinged to two ends of the first rotating shaft 14 respectively can be further arranged on the feeding jig 1, and the first elastic members 133 can be compression springs, extension springs or other suitable elastic members.

The feeding jig 1 can be provided with a second groove body 109 and a first chute 107 matched with the first limiting plate 132, the second guide hole 106 is respectively communicated with the second groove body 109 and the first chute 107, the first pushing part 123 and the first push rod 131 are positioned in the second groove body 109, the first elastic piece 133 is a compression spring sleeved on the second connecting rod 134, the first limiting plate 132 and the first elastic piece 133 are positioned in the first chute 107, and the structure is more compact and stable. As shown in fig. 6, the rotary pressing plate 121 is approximately V-shaped, the first pressing portion 122 may be provided with a flexible pressing plate, the flexible pressing plate may be a flexible plate such as rubber, polyurethane, silica gel, and youli glue, the first pushing portion 123 may be a second rotating shaft, the second rotating shaft may also be a flexible sleeve, the flexible sleeve may be made of flexible such as rubber, polyurethane, silica gel, and youli glue, and the structure is more stable and reliable.

Compared with the prior art, the utility model has the advantages that: the jacking assembly 2 firstly jacks up and positions the incoming material jig 1, the rotating pressing assembly 12 can press one end of a product placed in the first positioning groove 103, the pressing pressure maintaining assembly 3 relies on the dead weight of the balancing weight 32, so that the first pressing plate 31 can press the product for maintaining pressure, the product is ensured to be stably and firmly attached, the push rod assembly 13 can also push the rotating pressing assembly 12 to rotate, the rotating pressing assembly 12 can loosen the product, the structure is simple, compact and stable, the operation is convenient and quick, labor and time are saved, the efficiency is high, the precision is high, defects such as scratch, dirt, dropping and displacement of the product are not easily caused, the safety, the stability and the reliability are high, the production efficiency and the quality and the yield of the product are improved, the balancing weights 32 with different weights are replaced according to actual conditions, the assembly pressure maintaining of different specifications of the product are ensured, the universality is strong, the application range is wide, the production management and control of the product is facilitated, the cost is reduced, and the increasingly high production requirements are met.

The foregoing description of the embodiments of the present utility model is merely illustrative of the technical solutions of the present utility model and not limiting thereof, and it should be understood that modifications and substitutions can be made by those skilled in the art without departing from the inventive concept of the present utility model, and all such modifications and substitutions shall fall within the scope of the appended claims. In this case, all details may be replaced with equivalent elements, and the materials, shapes and sizes may be arbitrary.

Claims (10)

1. The utility model provides an equipment pressure maintaining device, its characterized in that, including incoming material tool (1), jacking subassembly (2) and pressfitting pressure maintaining subassembly (3), jacking subassembly (2) are located the below of pressfitting pressure maintaining subassembly (3), incoming material tool (1) are used for placing corresponding product, pressfitting pressure maintaining subassembly (3) include first clamp plate (31), are located balancing weight (32), first support (33) and the drive of first support (33) up-and-down motion's first actuating mechanism (34) of first clamp plate (31) top, first clamp plate (31) with balancing weight (32) are connected through head rod (35), be provided with on first support (33) with head rod (35) matched with first guiding hole (331), incoming material tool (1) can follow jacking subassembly (2) with pass between first clamp plate (31), jacking subassembly (2) can with incoming material tool (1) carries out the location and first support (33) can carry out the effect of pressure maintaining on first clamp plate (32) and the motion of first clamp plate (32).

2. Assembly pressure maintaining device according to claim 1, characterized in that the jacking assembly (2) comprises a first top plate (21) and a second driving mechanism (22) driving the first top plate (21) up and down.

3. The assembly pressure maintaining device according to claim 2, characterized in that the first driving mechanism (34) and the second driving mechanism (22) are mounted on a first bracket (4), an upper limit plate (41) matched with the feeding jig (1) is arranged on the first bracket (4), and a first limit part (101) matched with the upper limit plate (41) is arranged on the feeding jig (1).

4. An assembly pressure maintaining device according to claim 3, characterized in that the feeding jig (1) is driven by a corresponding conveying device to pass between the jacking assembly (2) and the first pressing plate (31) for conveying, and limit stops (102) are respectively arranged at two ends of the feeding jig (1).

5. Assembly pressure maintaining device according to claim 4, characterized in that the two sides of the bottom of the feed jig (1) are provided with a first wear plate (11) respectively.

6. Assembly pressure maintaining device according to claim 1, characterized in that the bottom of the first pressure plate (31) is provided with a press projection (311), the press projection (311) being provided with a first flexible press plate (312).

7. The assembly pressure maintaining device according to claim 1, wherein the lower end of the first connecting rod (35) is fixedly connected with the first pressing plate (31), the upper end of the first connecting rod (35) is fixedly connected with the counterweight base (36), the first guide hole (331) is provided with a first guide sleeve (332) connected with the first connecting rod (35), the counterweight base (36) is provided with a first groove (361) for accommodating the counterweight (32), and the counterweight (32) is detachably connected with the counterweight base (36).

8. Assembly pressure maintaining device according to any one of claims 1 to 7, characterized in that a plurality of first positioning grooves (103) for placing products are arranged on the feeding jig (1) side by side, a first suction hole (104) for sucking the products is arranged on the bottom surface of each first positioning groove (103), all the first suction holes (104) are communicated with a first air passage (105), and the first air passages (105) are connected with corresponding vacuumizing devices.

9. The assembly pressure maintaining device according to claim 8, wherein a rotary pressing assembly (12) and a push rod assembly (13) matched with the rotary pressing assembly (12) are arranged on the feeding jig (1), the rotary pressing assembly (12) can press one end of a product placed in the first positioning groove (103), and the push rod assembly (13) can push the rotary pressing assembly (12) to rotate so that the rotary pressing assembly (12) can loosen the product.

10. The assembly pressure maintaining device according to claim 9, wherein the rotary pressing assembly (12) comprises a rotary pressing plate (121), the push rod assembly (13) comprises a first push rod (131), a first limiting plate (132) and a first elastic piece (133), the first push rod (131) is connected with the first limiting plate (132) through a second connecting rod (134), a second guide hole (106) matched with the second connecting rod (134) is arranged on the feeding jig (1), one end of the first elastic piece (133) is pressed against the first limiting plate (132), the other end of the first elastic piece (133) is pressed against the feeding jig (1), one end of the rotary pressing plate (121) is provided with a first pressing part (122), the other end of the rotary pressing plate (121) is provided with a first pushing part (123) matched with the first push rod (131), one end of the rotary pressing plate (121) can be pressed against the first torsional spring (14) through a first hinge mechanism (14) and a first torsion spring (15) which can drive the first push rod (131) to move together, the first push rod (131) can push the rotary pressing plate (121) to rotate so that the first pressing part (122) loosens a product, and meanwhile, the rotary pressing plate (121) rotates so that the first torsion spring (15) is twisted.