Assembling a pressure maintaining device

Abstract

The disclosure provides an assembly pressure maintaining device, comprising a feeding jig, a jacking assembly and a pressing pressure maintaining assembly, the jacking assembly is located below the pressing pressure maintaining assembly, the pressing pressure maintaining assembly comprises a first pressing plate, a counterweight located 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 counterweight through a first connecting rod, the first support is provided with a first guide hole matched with the first connecting rod, the feeding jig can pass between the jacking assembly and the first pressing plate, the jacking assembly can position the feeding jig, and the first pressing plate can press and maintain the product on the feeding jig. The disclosure relies on the weight of the counterweight to make the first pressing plate press and maintain the product, which is not easy to cause the product to be scratched, stained, dropped, displaced and other defects, improves the production efficiency, the quality and the yield of the product, has strong universality and reduces the cost.

Description

Technical Field

[0001] This disclosure relates to assembling pressure holding equipment, and more particularly to an assembly pressure holding device. Background Technology

[0002] In the production of precision electronic products, some components are assembled from die-cut parts and double-sided adhesive parts. The assembled products also require pressing and holding to ensure the pull-out force of the double-sided adhesive. However, the traditional method involves manually placing the products on appropriate fixtures and then manually pressing and holding them using tools such as pressure blocks. This process is inconvenient, requires a large number of workers, is inefficient, and easily causes defects such as scratches, dirt, dropping, and displacement of the products. It also results in low precision, affecting production efficiency, product quality, and yield. Furthermore, it hinders production control, is costly, and cannot meet increasingly demanding production requirements. Summary of the Invention

[0003] The purpose of this disclosure is to provide an assembly pressure-holding device that can solve at least one of the above-mentioned technical problems. The technical solution of this disclosure is as follows:

[0004] An assembly and pressure-holding device includes an incoming material fixture, a lifting assembly, and a pressing and pressure-holding assembly. The lifting assembly is located below the pressing and pressure-holding assembly. The incoming material fixture is used to place the corresponding product. The pressing and pressure-holding assembly includes a first pressure plate, a counterweight block located above the first pressure plate, a first support, and a first driving mechanism for driving the first support to move up and down. The first pressure plate and the counterweight block are connected by a first connecting rod. The first support is provided with a first guide hole that cooperates with the first connecting rod. The incoming material fixture can pass through the lifting assembly and the first pressure plate. The lifting assembly can lift and position the incoming material fixture. The first support can drive the first pressure plate and the counterweight block to move up and down together. Under the gravity of the counterweight block, the first pressure plate can press and hold the product on the incoming material fixture.

[0005] In some embodiments, the lifting assembly includes a first top plate and a second drive mechanism for driving the first top plate to move up and down.

[0006] In some embodiments, the first drive mechanism and the second drive mechanism are mounted on the first bracket, the first bracket is provided with an upper limit plate that cooperates with the incoming material fixture, and the incoming material fixture is provided with a first limiting part that cooperates with the upper limit plate.

[0007] In some embodiments, the incoming material fixture is driven by a corresponding conveying device to pass through the lifting assembly and the first pressure plate for conveying, and limit blocks are respectively provided at both ends of the incoming material fixture.

[0008] In some embodiments, a first abrasion plate is provided on both sides of the bottom of the incoming material fixture.

[0009] In some embodiments, a pressing protrusion is provided at the bottom of the first pressing plate, and a first flexible pressing plate is provided on the pressing protrusion.

[0010] In some embodiments, the lower end of the first connecting rod is fixedly connected to the first pressure plate, the upper end of the first connecting rod is fixedly connected to the counterweight seat, a first guide sleeve connected to the first connecting rod is provided on the first guide hole, a first groove for placing the counterweight block is provided on the counterweight seat, and the counterweight block and the counterweight seat are detachably connected.

[0011] In some embodiments, the incoming fixture has several first positioning slots arranged side by side for placing products. Each first positioning slot has a first suction hole on its bottom surface for clamping the product. All the first suction holes are connected to a first air passage, and the first air passage is connected to a corresponding vacuuming device.

[0012] In some embodiments, the feeding fixture is provided with a rotating pressing component and a push rod component that cooperates with the rotating pressing component. The rotating pressing component can press one end of the product placed in the first positioning groove, and the push rod component can push the rotating pressing component to rotate so that the rotating pressing component releases the product.

[0013] In some embodiments, the rotating pressing assembly includes a rotating pressing plate, and the push rod assembly includes a first push rod, a first limiting plate, and a first elastic member. The first push rod and the first limiting plate are connected by a second connecting rod. The feeding fixture is provided with a second guide hole that cooperates with the second connecting rod. One end of the first elastic member presses against the first limiting plate, and the other end of the first elastic member presses against the feeding fixture. One end of the rotating pressing plate is provided with a first pressing part, and the other end of the rotating pressing plate is provided with a first pushing part that cooperates with the first push rod. The middle part of the rotating pressing plate is hinged to the feeding fixture through a first rotating shaft. A first torsion spring is provided on the first rotating shaft. Under the action of the first torsion spring, the first pressing part can press one end of the product. The corresponding driving mechanism can drive the first limiting plate and the first push rod to move together. The movement of the first push rod can push the rotating pressing plate to rotate so that the first pressing part releases the product. At the same time, the rotation of the rotating pressing plate causes the first torsion spring to twist.

[0014] The beneficial effects of this disclosure are as follows: The product to be pressed and held is positioned on the incoming material fixture. The incoming material fixture can be driven by a belt conveyor or other corresponding conveying device to pass between the lifting assembly and the first pressure plate. When the incoming material fixture is located between the lifting assembly and the first pressure plate, the lifting assembly first lifts and positions the incoming material fixture. Then, the first drive mechanism of the pressing and holding assembly drives the first support to move downward. The first support drives the first pressure plate, the first connecting rod, and the counterweight to move downward together. After the first pressure plate presses down on the product on the incoming material fixture, the first drive mechanism does not need to exert a downward force on the first pressure plate. The first pressure plate, the first connecting rod, and the counterweight remain stationary, relying on the counterweight... The weight of the block ensures that the first pressure plate presses and holds the product firmly, guaranteeing a stable and secure fit. The first support can slide down the first connecting rod a certain distance through the first guide hole, providing a certain degree of buffering protection. The operation is convenient and quick, saving manpower and time, with high efficiency and precision. It is less likely to cause product scratches, dirt, drops, or displacement, and has high safety, stability, and reliability, thereby improving production efficiency, product quality, and yield. It can be used for assembling and holding pressure on products of different specifications, has strong versatility, a wide range of applications, facilitates production control and automated production lines, reduces costs, and can meet increasingly demanding production requirements.

[0015] Furthermore, unless otherwise specified in this disclosure, all technical solutions can be implemented using conventional methods in the field. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the specific embodiments of this disclosure or the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this disclosure. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the assembly and pressure holding device according to one embodiment of the present disclosure.

[0018] Figure 2 This is a schematic diagram of the assembly and pressure holding device according to one embodiment of the present disclosure.

[0019] Figure 3 This is a partial structural schematic diagram of an assembly and pressure-holding device according to one embodiment of the present disclosure.

[0020] Figure 4 This is a schematic diagram of the material handling fixture according to one embodiment of the present disclosure.

[0021] Figure 5This is a partial structural diagram of the material handling fixture according to one embodiment of the present disclosure.

[0022] Figure 6 This is a schematic diagram of the structure of a rotating pressing assembly, a first rotating shaft, and a first torsion spring according to one embodiment of the present disclosure.

[0023] Figure 7 This is a schematic diagram of the push rod assembly according to one embodiment of the present disclosure.

[0024] The reference numerals in the attached drawings are as follows: Incoming jig 1, First limiting part 101, Limiting block 102, First positioning groove 103, First suction hole 104, First air passage 105, Second guide hole 106, First sliding groove 107, First clearance groove 108, Second groove body 109, First anti-wear plate 11, Rotary pressing assembly 12, Rotary pressing plate 121, First pressing part 122, First pushing part 123, Push rod assembly 13, First push rod 131, First limiting plate 132, First elastic element 133, etc. Two connecting rods 134, first rotating shaft 14, first torsion spring 15, lifting assembly 2, first top plate 21, second drive mechanism 22, pressing and holding assembly 3, first pressure plate 31, pressing protrusion 311, first flexible pressing plate 312, counterweight 32, first support 33, first guide hole 331, first guide sleeve 332, first guide rod 333, first drive mechanism 34, first connecting rod 35, counterweight seat 36, first groove 361, first bracket 4, upper limit plate 41, second guide sleeve 42. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of this disclosure clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only some, not all, of the embodiments of this disclosure, and are used merely to explain this disclosure and are not intended to limit it. All other embodiments obtained by those skilled in the art based on the embodiments of this disclosure without inventive effort are within the scope of protection of this disclosure.

[0026] In the description of this disclosure, it should be noted that the terms "center," "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "inner," "outer," "both ends," "both sides," "bottom," and "top," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this disclosure and simplifying the description, and do not indicate or imply that the elements referred to must have a specific orientation or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this disclosure. Furthermore, the terms "first," "second," "upper-level," "lower-level," "primary," and "secondary," etc., are used for descriptive purposes only and can be simply used to more clearly distinguish different components, and should not be construed as indicating or implying relative importance.

[0027] In the description of this disclosure, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linkage" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, or an indirect connection through an intermediate medium, or a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this disclosure based on the specific circumstances.

[0028] See Figures 1-7 As shown, the assembly and pressure holding device according to the present disclosure is schematically illustrated, including a material receiving fixture 1, a lifting assembly 2, and a pressing and pressure holding assembly 3. The lifting assembly 2 is located below the pressing and pressure holding assembly 3. The material receiving fixture 1 is used to position and place the corresponding product. The lifting assembly 2 and the pressing and pressure holding assembly 3 can be installed on a first bracket 4. The material receiving fixture 1 can be placed on a corresponding conveying device such as a belt conveyor, so that the material receiving fixture 1 passes through the lifting assembly and the first pressure plate 31 for conveying. The lifting assembly 2 is used to lift and position the material receiving fixture 1, and the pressing and pressure holding assembly 3 is used to press and hold the product on the material receiving fixture 1.

[0029] The pressing and holding assembly 3 includes a first pressure plate 31, a counterweight 32 located above the first pressure plate 31, a first support 33, and a first drive mechanism 34. The first drive mechanism 34 can be a cylinder, hydraulic cylinder, electric cylinder, linear module, etc. The first drive mechanism 34 drives the first support 33 to move up and down. The first pressure plate 31 and the counterweight 32 are connected by a first connecting rod 35. The upper end of the first connecting rod 35 is connected to the counterweight 32, and the lower end of the first connecting rod 35 is connected to the first pressure plate 31. The first support 33 is provided with a first guide hole 331 that cooperates with the first connecting rod 35. The first support 33 can slide up and down along the first connecting rod 35 through the first guide hole 331. The counterweight 32 can be made of weights, etc. The number and arrangement of the first connecting rod 35 and the first guide hole 331 are determined according to the specific situation. The first driving mechanism 34 can be one, two or more. The number and arrangement of the first driving mechanism 34 are determined according to the specific situation. For example, two symmetrically arranged first driving mechanisms 34 can synchronously drive the first support 33 to move up and down.

[0030] During use, the product to be pressed and pressure-held is positioned on the incoming jig 1. The incoming jig 1 can be driven by a belt conveyor or other corresponding conveying device to pass between the lifting assembly and the first pressure plate 31 for conveying. When the incoming jig 1 is located between the lifting assembly and the first pressure plate 31, the lifting assembly 2 first lifts and positions the incoming jig 1. Then, the first drive mechanism 34 of the pressing and pressure-holding assembly 3 drives the first support 33 to move downward. The first support 33 drives the first pressure plate 31, the first connecting rod 35, and the counterweight 32 to move downward together. After the first pressure plate 31 presses down on the product on the incoming jig 1, the first drive mechanism 34 does not need to exert a downward force on the first pressure plate 31. 31. The first connecting rod 35 and the counterweight 32 remain stationary. Relying on the weight of the counterweight 32, the first pressure plate 31 presses and holds the product, ensuring that the product is stably and securely attached. The first support 33 can slide down the first connecting rod 35 a certain distance through the first guide hole 331, providing a certain buffering and protection function. The operation is convenient and quick, saving manpower and time, with high efficiency and precision. It is not easy to cause product scratches, dirt, falling, displacement, or other defects. It has high safety, stability, and reliability, thereby improving production efficiency, product quality, and yield. It facilitates production control and automated production line production, reduces costs, and can meet increasingly higher production demands.

[0031] The lifting assembly 2 includes a first top plate 21 and a second drive mechanism 22 that drives the first top plate 21 to move up and down. The second drive mechanism 22 can be a cylinder, hydraulic cylinder, electric cylinder, linear module, etc. The second drive mechanism 22 drives the first top plate 21 to move upward, so that the first top plate 21 lifts and positions the incoming material fixture 1. Furthermore, the first top plate 21 can be provided with a number of positioning posts, and the incoming material fixture 1 can be provided with positioning holes that correspond to the positioning posts one by one. The positioning holes can also be provided with guide sleeves that cooperate with the positioning posts. The guide sleeves can be bushings, linear bearings, etc., which have higher precision and are more stable and reliable.

[0032] The first drive mechanism 34 and the second drive mechanism 22 are mounted on the first bracket 4. The first bracket 4 is also provided with an upper limit plate 41 that cooperates with the incoming material fixture 1. The incoming material fixture 1 is provided with a first limiting part 101 that cooperates with the upper limit plate 41. The first limiting part 101 can be an L-shaped limiting step or other suitable structure. The lifting component 2 lifts the incoming material fixture 1 upward until the first limiting part 101 presses against the upper limit plate 41, thereby lifting and positioning the incoming material fixture 1, which is safer and more reliable.

[0033] The first support 33 is also provided with a first guide rod 333, and the first bracket 4 is provided with a second guide sleeve 42 that is slidably connected to the first guide rod 333. The second guide sleeve 42 can be a bushing, a linear bearing, etc. The number and arrangement of the first guide rod 333 and the second guide sleeve 42 are determined according to the specific situation. The first drive mechanism 34 drives the first support 33 to move up and down, while the first guide rod 333 slides up and down along the second guide sleeve 42, resulting in higher movement accuracy and greater stability.

[0034] The incoming material fixture 1 can be placed on a belt conveyor or other corresponding conveying device. The conveying device drives the incoming material fixture 1 to pass through the lifting assembly and the first pressure plate 31 for conveying. Limiting blocks 102 are respectively provided at both ends of the incoming material fixture 1. The limiting blocks 102 can be made of elastic blocks such as rubber, polyurethane, silicone, or urethane. When multiple incoming material fixtures 1 are placed on the conveying device for conveying in sequence, the limiting blocks 102 can prevent the incoming material fixture 1 from directly colliding with the adjacent incoming material fixtures 1 in front and behind, reducing damage to the incoming material fixture 1, and making it safer and more reliable.

[0035] The bottom two sides of the incoming jig 1 are respectively provided with first anti-wear plates 11. The first anti-wear plates 11 can be made of steel plates, iron plates or other materials. The first anti-wear plates 11 can better ensure the flatness of the incoming jig 1, thereby improving the pressing accuracy of the product.

[0036] The lower end of the first connecting rod 35 is fixedly connected to the first pressure plate 31. The counterweight 32 is installed on the counterweight base 36, and the upper end of the first connecting rod 35 is fixedly connected to the counterweight base 36, for example, by fasteners such as screws, making operation more convenient. The counterweight base 36 is provided with a first groove 361 for placing the counterweight 32. The counterweight 32 and the counterweight base 36 are detachably connected. Depending on the actual situation, by replacing the counterweight 32 with different weights, it is easy to apply to the pressing and pressure holding of products of different specifications, with high versatility and wide application range. The first guide hole 331 is provided with a first guide sleeve 332 connected to the first connecting rod 35. The first guide sleeve 332 can be a bushing, linear bearing, etc., making the movement more stable.

[0037] The bottom of the first pressure plate 31 is provided with a pressure protrusion 311, and a first flexible pressure plate 312 is provided on the pressure protrusion 311. The first flexible pressure plate 312 can be a flexible plate such as rubber, polyurethane, silicone, or urethane. It has a simple structure, can reduce product damage, and improve product quality and yield.

[0038] The incoming fixture 1 has several first positioning slots 103 arranged side by side for placing products. Each first positioning slot 103 also has a first clearance slot 108 corresponding to the corresponding part of the product. Each first positioning slot 103 has a first suction hole 104 for clamping the product on its bottom surface. The number and arrangement of the first positioning slots 103 and the first suction holes 104 are determined according to the specific situation. All the first suction holes 104 are connected to the first air passage 105. The first air passage 105 is connected to the corresponding vacuum device, thereby ensuring that the product is more stably and reliably positioned in the first positioning slot 103 and that the product is better pressed and held under pressure.

[0039] The incoming material fixture 1 is equipped with a rotating pressing component 12 and a push rod component 13 that cooperates with the rotating pressing component 12. The product is positioned in the first positioning groove 103 of the incoming material fixture 1. The rotating pressing component 12 can press one end of the product placed in the first positioning groove 103 to ensure better positioning of the product. When it is necessary to remove the pressed and pressure-held product from the incoming material fixture 1, the push rod component 13 pushes the rotating pressing component 12 to rotate, so that the rotating pressing component 12 releases the product, and then the product is removed. The operation is more convenient, more stable and reliable.

[0040] The rotating pressing assembly 12 includes a rotating pressing plate 121, and the push rod assembly 13 includes a first push rod 131, a first limiting plate 132, and a first elastic element 133. The first push rod 131 and the first limiting plate 132 are connected by a second connecting rod 134. One end of the second connecting rod 134 is fixedly connected to the first push rod 131, and the other end of the second connecting rod 134 is fixedly connected to the first limiting plate 132. The feeding fixture 1 is provided with a second guide hole 106 that cooperates with the second connecting rod 134. One end of the first elastic element 133 presses against the first limiting plate 132, and the other end of the first elastic element 133 presses against the feeding fixture 1. The rotating pressing plate 121... One end of the plate 21 is provided with a first pressing part 122, which is used to press one end of the product placed in the first positioning groove 103. The other end of the rotating pressing plate 121 is provided with a first pushing part 123 that cooperates with the first push rod 131. The middle part of the rotating pressing plate 121 is hinged to the incoming material fixture 1 through a first rotating shaft 14. The first rotating shaft 14 is fixed in the circumferential direction with the rotating pressing plate 121. The first rotating shaft 14 rotates together with the rotating pressing plate 121. A first torsion spring 15 is provided on the first rotating shaft 14. One torsion arm of the first torsion spring 15 is connected to the rotating pressing plate 121, and the other torsion arm of the first torsion spring 15 is connected to the incoming material fixture 1. Under the action of the first torsion spring 15, when the first pressing part 122 of the rotating pressure plate 121 elastically presses one end of the product, the first pushing part 123 of the rotating pressure plate 121 abuts against the first push rod 131, and the first pressing part 122 elastically presses one end of the product, which can prevent damage to the product, etc.; when it is necessary to release the product by rotating the pressure plate 121, the corresponding drive mechanism such as the cylinder, oil cylinder, electric cylinder, linear module, etc., drives the first limiting plate 132 to move, and the second connecting rod 134 slides along the second guide hole 106, so that the first limiting plate 132 moves. 32 and the first push rod 131 move together and the first elastic element 133 elastically deforms. The movement of the first push rod 131 pushes the rotating pressure plate 121 to rotate. The rotation of the rotating pressure plate 121 causes the first pressure part 122 to release the product. At the same time, the rotation of the rotating pressure plate 121 causes the first torsion spring 15 to twist. When the first limiting plate 132 is contacted by force, the elastic element 133 elastically recovers and can push the first limiting plate 132 and the first push rod 131 to reset. The elastic recovery of the first torsion spring 15 can also push the rotating pressure plate 121 to reset.

[0041] The first torsion spring 15 on the first rotating shaft 14 can be one, two, or more. The size and arrangement of the first torsion spring 15 depend on the specific situation. The number and arrangement of the second connecting rod 134 and the second guide hole 106 depend on the specific situation. A bushing, linear bearing, etc. can also be set in the second guide hole 106. The incoming jig 1 can also be provided with protrusions that are respectively hinged to both ends of the first rotating shaft 14. The first elastic element 133 can be a compression spring, a tension spring, or other suitable elastic element.

[0042] The incoming fixture 1 can be provided with a second groove 109 and a first sliding groove 107 that cooperates with the first limiting plate 132. The second guide hole 106 communicates with the second groove 109 and the first sliding groove 107 respectively. The first pushing part 123 and the first push rod 131 are located in the second groove 109. The first elastic element 133 is a compression spring sleeved on the second connecting rod 134. The first limiting plate 132 and the first elastic element 133 are located in the first sliding groove 107, making the structure more compact and stable. Figure 6 As shown, the rotating pressure plate 121 is roughly V-shaped. A flexible pressure plate can be provided on the first pressure part 122. The flexible pressure plate can be a flexible plate such as rubber, polyurethane, silicone, or urethane. The first pushing part 123 can adopt a second rotating shaft. A flexible sleeve can also be provided on the second rotating shaft. The flexible sleeve can be made of flexible materials such as rubber, polyurethane, silicone, or urethane, making the structure more stable and reliable.

[0043] Compared with the prior art, the advantages of this disclosure are as follows: the lifting component 2 first lifts and positions the incoming material fixture 1, the rotating pressing component 12 can press one end of the product placed in the first positioning groove 103, the pressing and holding component 3 relies on the weight of the counterweight 32 to make the first pressure plate 31 press and hold the product, ensuring that the product is stably and reliably attached, and the push rod component 13 can also push the rotating pressing component 12 to rotate, so that the rotating pressing component 12 releases the product. The structure is simple, compact and stable, easy and quick to operate, saving manpower and time, with high efficiency and high precision. It is not easy to cause product scratches, dirt, falling, displacement and other defects. It has high safety, stability and reliability, thereby improving production efficiency and product quality and yield. By changing the counterweight 32 of different weights according to the actual situation, it can be used for assembly and pressure holding of products of different specifications. It has strong versatility, wide application range, facilitates production control and automated production line production of products, reduces costs and can meet increasingly higher production demands.

[0044] The above descriptions are merely some embodiments of this disclosure, used only to illustrate the technical solutions of this disclosure, and not to limit it. It should be understood that those skilled in the art can make improvements or substitutions based on the above descriptions without departing from the inventive concept of this disclosure, and all such improvements and substitutions should fall within the protection scope of the appended claims. In such cases, all details can be replaced with equivalent elements, and materials, shapes, and sizes can also be arbitrary.

Claims

1. An assembly of a pressure-holding device, characterized in that, The assembly includes an incoming material fixture (1), a lifting assembly (2), and a pressing and holding assembly (3). The lifting assembly (2) is located below the pressing and holding assembly (3). The incoming material fixture (1) is used to place the corresponding product. The pressing and holding assembly (3) includes a first pressure plate (31), a counterweight (32) located above the first pressure plate (31), a first support (33), and a first drive mechanism (34) that drives the first support (33) to move up and down. The first pressure plate (31) and the counterweight (32) are connected by a first connecting rod (35). The support (33) is provided with a first guide hole (331) that cooperates with the first connecting rod (35). The incoming material fixture (1) can pass through the lifting component (2) and the first pressure plate (31). The lifting component (2) can lift and position the incoming material fixture (1). The first support (33) can drive the first pressure plate (31) and the counterweight (32) to move up and down together. Under the gravity of the counterweight (32), the first pressure plate (31) can press and hold the product on the incoming material fixture (1). The lifting assembly (2) includes a first top plate (21) and a second drive mechanism (22) that drives the first top plate (21) to move up and down. The incoming material fixture (1) is provided with a number of first positioning slots (103) for placing products in a row. Each first positioning slot (103) has a first suction hole (104) for sucking the product on its bottom surface. All the first suction holes (104) are connected to the first air passage (105), and the first air passage (105) is connected to the corresponding vacuum device. The incoming material fixture (1) is provided with a rotating pressing assembly (12) and a push rod assembly (13) that cooperates with the rotating pressing assembly (12). The rotating pressing assembly (12) can press one end of the product placed in the first positioning groove (103), and the push rod assembly (13) can push the rotating pressing assembly (12) to rotate so that the rotating pressing assembly (12) releases the product. The lower end of the first connecting rod (35) is fixedly connected to the first pressure plate (31), and the upper end of the first connecting rod (35) is fixedly connected to the counterweight seat (36). A first guide sleeve (332) connected to the first connecting rod (35) is provided on the first guide hole (331). A first groove (361) for placing the counterweight block (32) is provided on the counterweight seat (36). The counterweight block (32) and the counterweight seat (36) are detachably connected.

2. The assembly and pressure-holding device according to claim 1, characterized in that, The first drive mechanism (34) and the second drive mechanism (22) are mounted on the first bracket (4). The first bracket (4) is provided with an upper limit plate (41) that cooperates with the incoming material fixture (1). The incoming material fixture (1) is provided with a first limiting part (101) that cooperates with the upper limit plate (41).

3. The assembly pressure-holding device according to claim 2, characterized in that, The incoming material fixture (1) is driven by a corresponding conveying device to pass through the lifting assembly (2) and the first pressure plate (31) for conveying. Limiting blocks (102) are respectively provided at both ends of the incoming material fixture (1).

4. The assembly pressure-holding device according to claim 3, characterized in that, The bottom sides of the incoming material fixture (1) are respectively provided with first abrasion plates (11).

5. The assembly pressure-holding device according to claim 1, characterized in that, The bottom of the first pressure plate (31) is provided with a pressure protrusion (311), and a first flexible pressure plate (312) is provided on the pressure protrusion (311).

6. The assembly pressure-holding device according to claim 1, characterized in that, The rotating pressing assembly (12) includes a rotating pressing plate (121), and the push rod assembly (13) includes a first push rod (131), a first limiting plate (132), and a first elastic element (133). The first push rod (131) and the first limiting plate (132) are connected by a second connecting rod (134). The incoming material fixture (1) is provided with a second guide hole (106) that cooperates with the second connecting rod (134). One end of the first elastic element (133) presses against the first limiting plate (132), and the other end of the first elastic element (133) presses against the incoming material fixture (1). One end of the rotating pressing plate (121) is provided with a first pressing part (122). The other end is provided with a first pushing part (123) that cooperates with the first push rod (131). The middle part of the rotating pressure plate (121) is hinged to the incoming material fixture (1) through the first rotating shaft (14). A first torsion spring (15) is provided on the first rotating shaft (14). Under the action of the first torsion spring (15), the first pressure part (122) can press one end of the product. The corresponding driving mechanism can drive the first limiting plate (132) and the first push rod (131) to move together. The movement of the first push rod (131) can push the rotating pressure plate (121) to rotate so that the first pressure part (122) releases the product. At the same time, the rotation of the rotating pressure plate (121) causes the first torsion spring (15) to twist.

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