Folding forming mechanism for connecting clamp of U-shaped clamp product

By designing a U-shaped card product connecting card folding forming mechanism including folding cylinders and L-shaped folding plates, the problems of traditional manual folding are solved, and the fast, efficient folding and consistency of the connecting card is achieved, and the needs of large-scale industrial production are met.

CN222769067UActive Publication Date: 2025-04-18SHENZHEN YUTO PACKAGING TECH
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Patent Information

Application Number
CN202420579309.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-22
Publication Date
2025-04-18
Estimated Expiration
2034-03-22

AI Technical Summary

Technical Problem

The traditional manual folding production method is inefficient and costly, and does not meet the needs of large-scale industrial production. Especially in the process of gift box packaging and manufacturing, folding of the connecting card is a cumbersome and time-consuming process, requiring highly skilled operators to fold manually.

Method used

A U-shaped card product connecting card folding forming mechanism is designed, including a first folding cylinder, a second folding cylinder and an L-shaped folding plate. Through the synergistic action of the cylinder, the L-shaped folding plate movement is driven to achieve rapid and efficient folding of the connecting card card, and optionally introduces components such as clamping cylinder group, auxiliary cylinder and auxiliary push block to ensure stable clamping and precise folding of the connecting card.

Benefits of technology

The fast and efficient folding of the connecting card is achieved, the production efficiency is improved, the folding consistency of each connecting card is ensured, the dependence on high-skilled operators is reduced, labor costs are reduced, and the durability and stability of the equipment is improved.

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Abstract

The utility model discloses a folding and forming mechanism for a connecting clamp of a U-shaped clamp product. The folding and forming mechanism is used for folding and forming the connecting clamp. The folding device comprises a first folding air cylinder, a second folding air cylinder and an L-shaped folding plate, the first folding air cylinder is connected with an air cylinder shaft of the second folding air cylinder, the L-shaped folding plate is connected with an air cylinder shaft of the first folding air cylinder, and the first folding air cylinder is matched with the second folding air cylinder to drive the L-shaped folding plate to move. Therefore, the card of the connection card is folded.
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Description

Technical Field

[0001] The present application relates to the technical field of automation equipment, and in particular to a folding and forming mechanism for a U-shaped card product connecting card. Background Art

[0002] In gift box packaging and other industries, U-shaped card products are widely used to connect different parts, increase structural strength and aesthetics. In the manufacturing process, the folding and assembly of the connecting card and the U-shaped card is one of the key production links. The traditional manual folding production method is inefficient and costly, and is not suitable for large-scale industrial production needs.

[0003] In the gift box packaging manufacturing process, the folding of the connecting card is usually a tedious and time-consuming process that requires highly skilled operators to perform manual folding. This manual operation has some problems, such as the slow manual folding speed, which cannot meet the needs of large-scale production and leads to low production efficiency. Utility Model Content

[0004] In order to solve the above technical problems, the present application provides a U-shaped card product connection card folding and forming mechanism. The technical solution provided by the present application is described below. The present application provides a U-shaped card product connection card folding and forming mechanism, including:

[0005] A first folding cylinder, a second folding cylinder and an L-shaped folding plate, wherein the first folding cylinder is connected to the cylinder axis of the second folding cylinder, and the L-shaped folding plate is connected to the cylinder axis of the first folding cylinder, and the first folding cylinder and the second folding cylinder cooperate to drive the L-shaped folding plate to move so as to fold the connected card in half.

[0006] Optionally, the movement directions of the first folding cylinder and the second folding cylinder are perpendicular.

[0007] Optionally, it also includes a clamping cylinder group and a clamping part, wherein the clamping part is connected to the cylinder shaft of the clamping cylinder group, and the clamping cylinder group pushes the clamping part to move to clamp and fix the connection card.

[0008] Optionally, the clamping cylinder group includes a horizontally arranged telescopic cylinder and a vertically arranged lifting cylinder, the telescopic cylinder is rigidly connected to the cylinder shaft of the lifting cylinder, and the clamping part is rigidly connected to the cylinder shaft of the telescopic cylinder. When folded, the telescopic cylinder and the lifting cylinder cooperate to drive the clamping part to clamp and fix the connecting card.

[0009] Optionally, the clamping portion is provided with a straight edge, and when clamped and fixed, the straight edge is closely attached to the folding line of the connection card.

[0010] Optionally, it also includes an auxiliary cylinder and an auxiliary push block, wherein the auxiliary push block is connected to the cylinder shaft of the auxiliary cylinder, and the auxiliary cylinder drives the auxiliary push block to fix the connecting card. When clamping, the two auxiliary push blocks clamp and fix the front and rear corners of the connecting card respectively.

[0011] Optionally, it further includes a supporting structure and a connecting plate, and the second folding cylinder is fixed to the supporting structure through the connecting plate.

[0012] Optionally, it further includes a positioning cylinder and a positioning portion, wherein the positioning portion is connected to the cylinder axis of the positioning cylinder, and the positioning cylinder is arranged in a vertical direction.

[0013] Optionally, two positioning rods are provided on the positioning portion, a gap is provided between the two positioning rods, and a hollow portion is formed.

[0014] Optionally, it also includes a mounting plate. When folded, the connection card is placed on the mounting plate, and the mounting plate is provided with a clearance groove for the L-shaped folding plate to pass through.

[0015] Optionally, the number of the auxiliary cylinders and the auxiliary push blocks is 2, and the two auxiliary cylinders and the two auxiliary push blocks clamp the left and right sides of the connection card respectively.

[0016] It can be seen from the above technical solutions that this application has the following advantages:

[0017] 1. Through the coordinated action of the first folding cylinder and the second folding cylinder, the connection card can be folded quickly and efficiently, thereby improving production efficiency.

[0018] 2. The mechanized folding process can ensure the folding consistency of each connection card, avoiding the differences that may be caused by manual operation.

[0019] 3. By adjusting the actions of the first folding cylinder and the second folding cylinder, the folding angle and method of the connecting card can be conveniently controlled to meet different production needs.

[0020] 4. The automated connection card folding and forming mechanism reduces the dependence on highly skilled operators and reduces labor costs.

[0021] 5. The cylinder is used as the driving device, which has good durability and stability and long mechanism life.

[0022] 6. Due to the mechanization method, the operation process is relatively simple, which reduces the operation difficulty and reduces the training cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the installation structure of an embodiment of the U-shaped card product connection card folding and forming mechanism provided in this application;

[0024] Figure 2 This is a schematic diagram of the overall structure of an embodiment of a U-shaped card product connection card folding and forming mechanism provided in this application;

[0025] Figure 3 It is another overall structural schematic diagram of an embodiment of the U-shaped card product connection card folding and forming mechanism provided in this application;

[0026] Figure 4 This is a schematic diagram of the bottom structure of an embodiment of a U-shaped card product connection card folding and forming mechanism provided in this application;

[0027] Figure 5 This is a structural schematic diagram of a U-shaped card product provided in the present application, in which a mounting plate in a connection card folding and forming mechanism is provided with an air avoidance groove. DETAILED DESCRIPTION

[0028] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inside", "outside", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only used to illustrate the relative positional relationships between the various components or components, and do not particularly limit the specific installation orientations of the various components or components.

[0029] In addition, some of the above terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.

[0030] In addition, the terms "installed", "set", "provided with", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0031] In addition, the structures, proportions, sizes, etc. drawn in the drawings in the present application are only used to match the contents disclosed in the specification for the technical personnel in this field to understand and read, and are not used to limit the restrictive conditions under which the present application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in the present application without affecting the effects and purposes that can be achieved by the present application.

[0032] The following will be combined with the drawings in this application to clearly and completely describe the technical solutions in this application. Obviously, the described embodiments are only part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0033] See also Figures 1 to 5 The present application first provides an embodiment of a U-shaped card product connection card folding and forming mechanism, the embodiment comprising:

[0034] A first folding cylinder, a second folding cylinder and an L-shaped folding plate, wherein the first folding cylinder is connected to the cylinder axis of the second folding cylinder, and the L-shaped folding plate is connected to the cylinder axis of the first folding cylinder, and the first folding cylinder and the second folding cylinder cooperate to drive the L-shaped folding plate to move so as to fold the connecting card in half.

[0035] This embodiment uses a combination of a first folding cylinder 011, a second folding cylinder 012 and an L-shaped folding plate 013, and through their synergistic effect, the connection card is folded in half. The following is a detailed description of this embodiment:

[0036] The first folding cylinder 011 and the second folding cylinder 012:

[0037] The first folding cylinder 011 and the second folding cylinder 012 can be independently controlled to move in two different directions, respectively. Such a design provides precise control of multiple directions during the folding process of the connection card.

[0038] L-shaped folded plate 013:

[0039] The L-shaped folding plate 013 is connected to the cylinder shaft of the first folding cylinder 011. The design of the L-shaped folding plate 013 enables it to perform folding actions under the control of two directions, thereby realizing the folding of the connection card. The folding plate is called "L" shape, which can make it possible to perform continuous actions such as "hooking", "pulling" and "pressing" on the connection card to form a fold.

[0040] Collaborative working mechanism:

[0041] The first folding cylinder 011 and the second folding cylinder 012 work together to connect the L-shaped folding plate 013 through their cylinder shafts. The first folding cylinder 011 controls the horizontal folding of the connecting card, while the second folding cylinder 012 controls the vertical folding. Their linkage movement realizes the omnidirectional folding of the connecting card.

[0042] The folding process can be precisely controlled by adjusting the movement trajectory and speed of the first folding cylinder 011 and the second folding cylinder 012. Such a design makes the folding process of the connection card more controllable and adaptable to connection cards of different sizes and shapes.

[0043] See also Figure 3 In an optional embodiment, the movement directions of the first folding cylinder 011 and the second folding cylinder 012 are perpendicular.

[0044] In this optional embodiment, by making the movement directions of the first folding cylinder 011 and the second folding cylinder 012 perpendicular to each other, for example, the first folding cylinder 011 can be arranged horizontally, and the second folding cylinder 012 can be arranged vertically, that is, the cylinder axis of the first folding cylinder 011 moves in the horizontal direction, and the cylinder axis of the second folding cylinder 012 moves in the vertical direction, a multi-dimensional folding action can be achieved, which increases the folding flexibility of the connection card. Such a design can more finely control the folding direction and shape of the connection card, making it more in line with specific product requirements. At the same time, the vertical movement design also helps to improve the overall stability and controllability of the connection card folding and forming mechanism, ensuring the accuracy and consistency of the folding. The flexibility and controllability of this structure make the mechanism suitable for connection card products of various shapes and specifications.

[0045] See also Figure 3 In an optional embodiment, it also includes a clamping cylinder group 014 and a clamping portion 015, wherein the clamping portion 015 is connected to the cylinder shaft of the clamping cylinder group 014, and the clamping cylinder group 014 pushes the clamping portion 015 to move, thereby clamping and fixing the connection card.

[0046] In this optional embodiment, the design of the clamping cylinder group 014 and the clamping portion 015 is intended to provide a clamping and fixing function for the connection card, ensuring that the connection card remains stable when folded.

[0047] The clamping cylinder group 014 can be a component including a plurality of clamping cylinders, and the number can be determined as required. The clamping cylinder is a common pneumatic component used to generate linear motion. The function of the clamping cylinder group 014 here is to drive the clamping action of the clamping part 015 through the telescopic motion of the cylinder.

[0048] The clamping part 015 is a component for clamping the connection card, and can be a clamp, a clamping claw or other appropriate structure. The clamping part 015 is connected to the cylinder shaft of the clamping cylinder group 014, that is, the clamping part 015 can be controlled by the clamping cylinder group 014 to achieve the clamping action. The shape and size of the clamping part 015 should be adapted to the design of the connection card to ensure that the connection card is firmly clamped.

[0049] Before the connection card folding mechanism works, the clamping cylinder group 014 is in a telescopic state, and the clamping part 015 remains in an open state.

[0050] When the connection card needs to be folded, the clamping cylinder group 014 starts to work, and the cylinder extends so that the clamping part 015 clamps the connection card. The shape and design of the clamping part 015 should adapt to the shape of the connection card to ensure a firm clamping and prevent the connection card from moving or shaking during the folding process.

[0051] Once the connection card is clamped and fixed, the folding mechanisms of other parts (such as the first folding cylinder 011, the second folding cylinder 012 and the L-shaped folding plate 013, etc.) start to work to fold the connection card.

[0052] After folding is completed, the clamping cylinder group 014 works again, and the clamping part 015 opens to release the connection card. This allows the connection card to be taken out or transferred to the next working stage.

[0053] See also Figure 2 and 3 In an optional embodiment, the clamping cylinder group 014 includes a horizontally arranged telescopic cylinder 0141 and a vertically arranged lifting cylinder 0142. The telescopic cylinder 0141 is rigidly connected to the cylinder axis of the lifting cylinder 0142, and the clamping part 015 is rigidly connected to the cylinder axis of the telescopic cylinder 0141. When folded, the telescopic cylinder 0141 and the lifting cylinder 0142 cooperate to drive the clamping part 015 to clamp and fix the connecting card.

[0054] In this optional embodiment, the design of the clamping cylinder group 014 combines a horizontally arranged telescopic cylinder 0141 and a vertically arranged lifting cylinder 0142 to provide a more comprehensive clamping action.

[0055] The horizontally arranged telescopic cylinder 0141 is a horizontally arranged telescopic cylinder 0141, which is rigidly connected to the lifting cylinder 0142 through the cylinder shaft. The telescopic cylinder 0141 moves in the horizontal direction, and its function is to clamp the clamping part 015, thereby realizing the horizontal clamping of the connection card.

[0056] The vertically arranged lifting cylinder 0142 is a vertically arranged lifting cylinder 0142, and its cylinder shaft is rigidly connected to the telescopic cylinder 0141. The lifting cylinder 0142 moves in the vertical direction to adjust the height of the clamping part 015 to adapt to connecting cards of different sizes or shapes. The movement of the lifting cylinder 0142 allows the entire clamping part 015 to be lifted and lowered in the vertical direction.

[0057] When the clamping action starts, the vertically arranged lifting cylinder 0142 works, and the cylinder moves up and down to adjust the height of the clamping part 015 to adapt to the height of the connecting card. This ensures that the clamping part 015 can adapt to connecting cards of different sizes or shapes.

[0058] The horizontally arranged telescopic cylinder 0141 starts to work, the cylinder extends, the clamping part 015 clamps the connection card, and ensures that it is firmly clamped in the horizontal direction.

[0059] After the clamping part 015 is adjusted, the telescopic cylinder 0141 and the lifting cylinder 0142 work together to drive the clamping part 015 to clamp and fix the connection card. The following folding operation can be carried out to ensure that the connection card is firmly clamped during the entire folding process.

[0060] After folding is completed, the clamping cylinder group 014 works in the reverse direction, and the clamping part 015 opens to release the connection card. This allows the connection card to be taken out or transferred to the next working stage.

[0061] See also Figure 3 In an optional embodiment, the clamping portion 015 is provided with a straight edge 0151, and when clamped and fixed, the straight edge is close to the folding line of the connecting card.

[0062] In this optional embodiment, the clamping portion 015 has a straight edge, and when the clamping portion 015 clamps and fixes the connection card, the straight edge 0151 is close to the folding line of the connection card. The clamping portion 015 is a part of the clamping cylinder group 014, and can be a clamp or a clamping plate. The upper surface or edge of the clamping portion 015 is designed to be in a straight line shape so as to coincide with the folding line when clamping the connection card.

[0063] When the clamping cylinder group 014 is activated and the clamping part 015 clamps the connection card, the straight edge 0151 of the clamping part 015 will fit or cling to the folding line of the connection card. This allows the connection card to fold along the folding line and form a straight folding mark. The design of the straight edge 0151 not only provides a basic clamping function, but also ensures that the position of the connection card on the clamping part 015 is more accurate when assisting in clamping the connection card. This design helps to prevent the connection card from being offset or unstable during the folding process.

[0064] See also Figures 2 to 4 In an optional embodiment, it also includes an auxiliary cylinder 016 and an auxiliary push block 017, the auxiliary push block 017 is connected to the cylinder shaft of the auxiliary cylinder 016, the auxiliary cylinder 016 drives the auxiliary push block 017 to fix the connecting card, and when clamping, the two auxiliary push blocks 017 clamp and fix the front and rear corners of the connecting card respectively.

[0065] In this optional embodiment, an auxiliary cylinder 016 and an auxiliary push block 017 are introduced, and their function is to provide additional support and stability when clamping the connection card.

[0066] The auxiliary cylinder 016 and the auxiliary push block 017 are part of the clamping system and can be located on both sides of the connection card when folded. Each auxiliary push block 017 is connected to the cylinder shaft of the auxiliary cylinder 016, and the movement of the auxiliary push block 017 is controlled by the action of the auxiliary cylinder 016.

[0067] During clamping, the two auxiliary push blocks 017 clamp and fix the front and rear corners of the connection card respectively. The design and position of the two auxiliary push blocks 017 should ensure that they can provide uniform support during the clamping process and avoid unnecessary deformation or damage to the connection card.

[0068] During the clamping process, the auxiliary cylinder 016 starts to work, causing the auxiliary push block 017 to move toward the connection card, and finally clamp the front and rear corners of the connection card. This clamping method helps to ensure that the position of the connection card on the clamping part is stable, preventing it from moving or becoming unstable during the folding process.

[0069] See also Figures 1 to 4 In an optional embodiment, it further includes a supporting structure 018 and a connecting plate 019 , and the second folding cylinder 012 is fixed to the supporting structure 018 via the connecting plate 019 .

[0070] In this optional embodiment, a support structure 018 and a connecting plate 019 are introduced, which are used to support and fix the second folding cylinder 012, thereby improving the stability and reliability of the overall structure. The support structure 018 is a component used to support and carry the second folding cylinder 012. It can be installed on the frame or other structure of the device to ensure that the second folding cylinder 012 can remain stable during movement and operation.

[0071] The connecting plate 019 is a flat plate-shaped component, and its function is to fix the second folding cylinder 012 on the supporting structure 018 through the connecting plate 019. A solid connection is formed between the connecting plate 019 and the supporting structure 018, providing a reliable supporting foundation for the second folding cylinder 012. In addition, the position of the second folding cylinder 012 can also be finely adjusted through the connecting plate 019.

[0072] The second folding cylinder 012 is fixed by a connecting plate 019, which may be fixed by bolts, fasteners or other appropriate connecting methods, thus ensuring that the second folding cylinder 012 and the supporting structure 018 are firmly and reliably connected.

[0073] Since the second folding cylinder 012 and the supporting structure 018 are fixed by the connecting plate 019, this design is particularly suitable for scenarios requiring vertical movement, and ensures the stability of the second folding cylinder 012 in the vertical direction.

[0074] See also Figure 2 and Figure 3 In an optional embodiment, it further includes a positioning cylinder 020 and a positioning portion 021, wherein the positioning portion 021 is connected to the cylinder axis of the positioning cylinder 020, and the positioning cylinder 020 is arranged in a vertical direction.

[0075] In this optional embodiment, a positioning cylinder 020 and a positioning portion 021 are introduced to position the connection card during the folding process of the connection card.

[0076] The positioning cylinder 020 is a pneumatic element, and its cylinder shaft is connected to the positioning part 021. The positioning cylinder 020 is arranged vertically to realize the positioning operation of the connection card in the vertical direction.

[0077] The positioning part 021 is a component connected to the cylinder shaft of the positioning cylinder 020, and its function is to control the connection card during the positioning operation. The positioning part 021 can adopt an appropriate shape and structure to ensure accurate positioning of the connection card.

[0078] Before the connection card is folded, the positioning cylinder 020 moves the positioning part 021 in the vertical direction through pneumatic control to achieve the positioning of the connection card, which ensures that the position of the connection card is accurate and consistent during the folding process.

[0079] The introduction of the positioning cylinder 020 and the positioning part 021 helps to improve the folding accuracy of the connecting card, thereby ensuring that the connecting card is always in the correct position during the folding process, thereby avoiding errors and deviations.

[0080] Furthermore, in an optional embodiment, two positioning rods 0211 are provided on the positioning portion 021 , a gap is provided between the two positioning rods 0211 , and a hollow portion 0210 is formed.

[0081] In this optional embodiment, two positioning rods 0211 are provided on the positioning part 021, and a hollow part 0210 is formed. The positioning part 021 is a component connected to the cylinder shaft of the positioning cylinder 020, and two positioning rods 0211 are provided on it. The two positioning rods 0211 can be arranged vertically, and a gap is formed between them, and a hollow part 0210 is formed between them.

[0082] The positioning rod 0211 is a part of the positioning portion 021, which can be a protruding structure, and is used to control the connection card in the positioning operation. Here, two positioning rods 0211 are provided, and they can be parallel.

[0083] The area between the two positioning rods 0211 forms a hollow portion 0210. This hollow portion 0210 can be used to allow the L-shaped folding plate 013 to pass through during the folding process to avoid motion interference.

[0084] See also Figure 1 and Figure 5 In an optional embodiment, it further includes a mounting plate 022. When folded, the connection card is placed on the mounting plate 022. The mounting plate 022 is provided with a clearance groove 023 for the L-shaped folding plate 013 to pass through.

[0085] In this optional embodiment, a mounting plate 022 is introduced and a clearance groove 023 is provided to avoid motion interference. The mounting plate 022 is a platform for placing the connection card, which can be a horizontal surface or platform. When folding, the connection card is placed on the mounting plate 022, which helps the whole folding process.

[0086] The mounting plate 022 is provided with an escape groove 023 for the L-shaped folding plate 013 to pass through. The escape groove 023 is designed to avoid motion interference between the L-shaped folding plate 013 and the mounting plate 022 during the movement. The existence of such an escape groove 023 can ensure that the L-shaped folding plate 013 can pass freely during the folding process without being hindered by other components. In a mechanical system, in order to ensure that the movement of each component does not interfere, it is necessary to ensure the smooth flow of the movement path through a reasonable design. Here, by providing the escape groove 023 on the mounting plate 022, it is possible to effectively avoid the L-shaped folding plate 013 from colliding or rubbing with the mounting plate 022 during the movement.

[0087] It should be noted that the above description of the disclosed embodiments enables professionals and technicians in the field to implement or use the present application. Various modifications to these embodiments will be apparent to professionals and technicians in the field, and the general principles defined herein can be implemented in other embodiments without departing from the scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but should conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A U-shaped card product connection card folding and forming mechanism, characterized in that: include: A first folding cylinder, a second folding cylinder and an L-shaped folding plate, wherein the first folding cylinder is connected to the cylinder axis of the second folding cylinder, and the L-shaped folding plate is connected to the cylinder axis of the first folding cylinder, and the first folding cylinder and the second folding cylinder cooperate to drive the L-shaped folding plate to move so as to fold the connected card in half.

2. The U-shaped card product connection card folding and forming mechanism according to claim 1, characterized in that: The movement directions of the first folding cylinder and the second folding cylinder are perpendicular.

3. The U-shaped card product connection card folding and forming mechanism according to claim 1, characterized in that: It also includes a clamping cylinder group and a clamping part, wherein the clamping part is connected to the cylinder shaft of the clamping cylinder group, and the clamping cylinder group pushes the clamping part to move to clamp and fix the connection card.

4. The U-shaped card product connection card folding and forming mechanism according to claim 3, characterized in that: The clamping cylinder group includes a horizontally arranged telescopic cylinder and a vertically arranged lifting cylinder. The telescopic cylinder is rigidly connected to the cylinder shaft of the lifting cylinder, and the clamping part is rigidly connected to the cylinder shaft of the telescopic cylinder. When folded, the telescopic cylinder and the lifting cylinder cooperate to drive the clamping part to clamp and fix the connecting card.

5. The U-shaped card product connection card folding and forming mechanism according to claim 3, characterized in that: The clamping portion is provided with a straight edge, and when clamped and fixed, the straight edge is closely attached to the folding line of the connection card.

6. The U-shaped card product connection card folding and forming mechanism according to claim 3, characterized in that: It also includes an auxiliary cylinder and an auxiliary push block, wherein the auxiliary push block is connected to the cylinder shaft of the auxiliary cylinder, and the auxiliary cylinder drives the auxiliary push block to fix the connecting card. When clamping, the two auxiliary push blocks clamp and fix the front and rear corners of the connecting card respectively.

7. The U-shaped card product connection card folding and forming mechanism according to claim 1, characterized in that: It also includes a supporting structure and a connecting plate, and the second folding cylinder is fixed to the supporting structure through the connecting plate.

8. The U-shaped card product connection card folding and forming mechanism according to claim 1, characterized in that: It also includes a positioning cylinder and a positioning part, wherein the positioning part is connected to the cylinder shaft of the positioning cylinder, and the positioning cylinder is arranged in a vertical direction.

9. The U-shaped card product connection card folding and forming mechanism according to claim 8, characterized in that: The positioning portion is provided with two positioning rods, a gap is provided between the two positioning rods, and a hollow portion is formed therebetween.

10. The U-shaped card product connection card folding and forming mechanism according to claim 1, characterized in that: It also includes a mounting plate. When folded, the connection card is placed on the mounting plate. The mounting plate is provided with a clearance groove for the L-shaped folding plate to pass through.