Adjustable clamp of plywood pressing device

By designing an adjustable fixture including fixing frames, connecting frames and driving mechanisms in the plywood pressing device, the problem of uneven force under plywood in the prior art is solved, uniform clamping and compacting of plywood is achieved, and production is improved Efficiency and product quality.

CN222345849UActive Publication Date: 2025-01-14GUANGXI XINBAIYU WOOD IND CO LTD
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Patent Information

Application Number
CN202421134652.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-23
Publication Date
2025-01-14
Estimated Expiration
2034-05-23

AI Technical Summary

Technical Problem

The existing adjustable clamps of plywood pressing devices cannot ensure that all parts of the plywood are subjected to uniform stress, resulting in local overcompression or insufficient pressure during the pressing process, affecting product quality stability, and uneven pressure distribution leads to uneven stress.

Method used

An adjustable fixture including a fixing frame, a connecting frame and a driving mechanism is designed. Through the combination of worm gear, forward and reverse threaded rod, cylinder and multiple sets of press-fit plates, flexible clamping and uniform compaction of plywood of different sizes and thicknesses. .

Benefits of technology

Through this design, uniform clamping and compacting of plywood is achieved, production efficiency and product quality stability are improved, and the tight bonding of each layer of plywood and uniform penetration of glue are ensured.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of plywood pressing clamps, and discloses an adjustable clamp of a plywood pressing device, which comprises a fixed frame and a connecting frame, and further comprises a driving mechanism arranged in the fixed frame, a worm gear is arranged on the outer side of the driving mechanism, a right-hand threaded rod and a left-hand threaded rod are transversely fixed at the axis of the worm gear, and a right-hand threaded rod is arranged on the right-hand threaded rod. The outer side of the right-hand and left-hand threaded rod is in threaded connection with a threaded sleeve. The driving mechanism is arranged to conveniently drive the worm and the right-and-left threaded rod to rotate, the right-and-left threaded rod is arranged to conveniently drive the threaded sleeve and the connecting plate to move, plywood with different widths can be conveniently clamped, the air cylinder is arranged to conveniently drive the connecting frame and the pressing plate to move, and the clamping efficiency is improved. By arranging the two sets of pressing plates, the plywood can be conveniently and evenly clamped, and piston rods of the air cylinders are connected with the connecting frame.
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Description

Technical Field

[0001] The utility model relates to the technical field of plywood pressing clamps, in particular to an adjustable clamp for a plywood pressing device. Background Art

[0002] The plywood pressing device is a device used to pressurize and heat-press multiple layers of plywood materials. It usually consists of two upper and lower pressing plates, with the plywood to be processed sandwiched in between. When in operation, the plywood is placed between the pressing plates, and then pressure is applied through a hydraulic system or mechanical device to press the plywood together. This device plays a vital role in the plywood production process. First, it ensures a close bond between the layers of plywood, thereby improving the strength and stability of the board. Secondly, the heat and pressure during the pressing process can allow the glue to fully penetrate each layer of the plywood, ensuring the consistency and stability of the gluing quality.

[0003] In order to adapt to plywood of different sizes and thicknesses. The size and thickness of plywood may vary due to production requirements or customer needs. Therefore, an adjustable clamp is needed that can be adjusted according to actual conditions. The adjustable clamp of the existing plywood pressing device cannot ensure that all parts of the plywood are evenly stressed, which in turn affects production efficiency and product quality. Uneven stress will cause local over-compression or insufficient pressure on the plywood during the pressing process, resulting in inconsistent density and bonding between the various parts of the plywood, affecting the overall quality stability. The cause of this problem may be that the adjustable clamp is not designed accurately or is not flexible enough to fully adapt to the size and thickness differences of the various parts of the plywood. In addition, uneven pressure distribution of the clamp may also cause uneven stress on the plywood. Utility Model Content

[0004] The utility model aims to provide an adjustable clamp for a plywood pressing device to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: an adjustable clamp of a plywood pressing device, comprising a fixing frame and a connecting frame, and also comprising:

[0006] A driving mechanism is arranged inside the fixed frame, a worm gear is arranged on the outside of the driving mechanism, a positive and negative threaded rod is transversely fixed at the axis of the worm gear, a threaded sleeve is threadedly connected to the outside of the positive and negative threaded rod, and a connecting plate for connecting with the connecting frame is vertically fixed on the top of the threaded sleeve;

[0007] A cylinder is arranged inside the connection frame, a connection frame is fixed on the top of the cylinder, a connection rod is rotatably provided on the inner wall of the connection frame, a fixing rod is rotatably provided on the inner wall of the connection rod, and a pressing plate for pressing the plywood is fixed on the lower end of the fixing rod.

[0008] Preferably, a mounting bracket is fixed to the outer side of the connecting frame, and a connecting shaft for adjusting the connecting rod is rotatably disposed on the inner wall of the mounting bracket.

[0009] Preferably, a fixing frame is fixed to the outer side of the connecting rod, and an adjusting rod is rotatably provided on the inner wall of the fixing frame.

[0010] Preferably, a fixing seat is fixed to the inner wall of the connection frame, and a limiting rod is fixed to one side of the fixing seat.

[0011] Preferably, a limiting plate is slidably disposed on the outer side of the limiting rod, an inner wall of the limiting plate is clamped with a limiting frame, and an inner wall of the limiting frame is rotatably provided with a connecting block for connecting with the adjusting rod.

[0012] Preferably, a support frame is fixed to the inner wall of the pressing plate, and two groups of support frames are provided.

[0013] Preferably, the driving mechanism comprises a motor fixed to the inner wall of the fixed frame, and a worm for driving the worm wheel to rotate is fixed to the output end of the motor.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] The utility model can conveniently drive the worm and the positive and negative threaded rods to rotate by arranging a driving mechanism, and can conveniently drive the threaded sleeve and the connecting plate to move by arranging the positive and negative threaded rods, so as to conveniently clamp plywood of different widths, and can conveniently drive the connecting frame and the pressing plate to move by arranging a cylinder, and can conveniently clamp the plywood evenly by arranging two groups of pressing plates. It is explained here that the piston rod of the cylinder is also connected to the connecting frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic diagram of the structure of an adjustable clamp of the plywood pressing device provided by the utility model;

[0017] Figure 2 A schematic diagram of the internal structure of the fixed frame provided by the utility model;

[0018] Figure 3 A schematic diagram of the overall structure of the pressed plate provided by the utility model;

[0019] Figure 4 This is a schematic diagram of the internal structure of the connection frame provided by the utility model.

[0020] In the figure: 1. fixed frame; 2. connecting frame; 3. driving mechanism; 31. motor; 32. worm; 4. worm wheel; 5. positive and negative threaded rod; 6. threaded sleeve; 7. connecting plate; 8. cylinder; 9. connecting frame; 10. connecting rod; 11. fixing rod; 12. pressing plate; 13. mounting frame; 14. connecting shaft; 15. fixing frame; 16. adjusting rod; 17. fixing seat; 18. limiting rod; 19. limiting plate; 20. limiting frame; 21. connecting block; 22. supporting frame. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-Figure 4 As shown, an adjustable clamp of a plywood pressing device comprises a fixed frame 1 and a connecting frame 2, a driving mechanism 3 is arranged inside the fixed frame 1, a worm gear 4 is arranged on the outside of the driving mechanism 3, and the worm gear 4 can be conveniently driven to rotate by arranging the driving mechanism 3, a positive and negative threaded rod 5 is transversely fixed at the axis of the worm gear 4, and the positive and negative threaded rod 5 can be conveniently driven to rotate by arranging the worm gear 4, a threaded sleeve 6 is threadedly connected to the outside of the positive and negative threaded rod 5, and the two threaded sleeves 6 can be conveniently driven to move to opposite sides by arranging the positive and negative threaded rod 5, and a connecting plate 7 for connecting with the connecting frame 2 is vertically fixed on the top of the threaded sleeve 6; by arranging two threaded sleeves 6, It is convenient to fix the two connecting plates 7, and a cylinder 8 is arranged inside the connecting frame 2. A connecting frame 9 is fixed on the top of the cylinder 8. By arranging the cylinder 8, the two connecting frames 9 can be conveniently driven to move. A connecting rod 10 is rotatable on the inner wall of the connecting frame 9. By arranging the connecting frame 9, the connecting rod 10 can be conveniently adjusted. A fixing rod 11 is rotatable on the inner wall of the connecting rod 10. By arranging the connecting rod 10, the fixing rod 11 can be conveniently adjusted. A pressing plate 12 for pressing the plywood is fixed at the lower end of the fixing rod 11. By arranging the fixing rod 11, the pressing plate 12 can be conveniently fixed. By arranging two groups of pressing plates 12, the plywood can be conveniently compacted evenly.

[0023] refer to Figure 4 As shown, a mounting bracket 13 is fixed to the outer side of the connecting frame 2, and a connecting shaft 14 for adjusting the connecting rod 10 is rotatably arranged on the inner wall of the mounting bracket 13; by setting the mounting bracket 13 and the connecting shaft 14 for use in conjunction, the connecting rod 10 can be conveniently limited.

[0024] refer to Figure 4As shown, a fixing frame 15 is fixed to the outer side of the connecting rod 10, and an adjusting rod 16 is rotatably arranged on the inner wall of the fixing frame 15; by arranging the fixing frame 15 and the adjusting rod 16 for use in conjunction, the connecting rod 10 can be conveniently connected.

[0025] refer to Figure 4 As shown, a fixing seat 17 is fixed to the inner wall of the connecting frame 2, and a limiting rod 18 is fixed to one side of the fixing seat 17; a limiting disk 19 is slidably provided on the outer side of the limiting rod 18, and the inner wall of the limiting disk 19 is clamped with a limiting frame 20, and the inner wall of the limiting frame 20 is rotatably provided with a connecting block 21 for connecting with the adjusting rod 16; by setting the fixing seat 17, the limiting rod 18 can be conveniently fixed, by setting the limiting rod 18, the limiting disk 19 can be conveniently slid, by setting the limiting disk 19, the limiting frame 20 can be conveniently fixed, by setting the limiting frame 20, the connecting block 21 can be conveniently adjusted, and by setting the connecting block 21, it can be conveniently connected with the adjusting rod 16.

[0026] refer to Figure 3 As shown, a support frame 22 is fixed to the inner wall of the pressing plate 12, and two groups of the support frames 22 are provided; by providing the support frames 22, the stability of the pressing plate 12 can be conveniently improved.

[0027] refer to Figure 2 As shown, the driving mechanism 3 includes a motor 31 fixed to the inner wall of the fixed frame 1, and a worm 32 for driving the worm wheel 4 to rotate is fixed to the output end of the motor 31; by setting the motor 31, the worm 32 can be easily driven to rotate, and by setting the worm 32, the worm wheel 4 and the forward and reverse threaded rod 5 can be easily driven to rotate.

[0028] Working principle: first turn on the driving mechanism 3, the driving mechanism 3 rotates to drive the worm wheel 4 to rotate, by setting the worm wheel 4, it is convenient to drive the positive and negative threaded rods 5 to rotate, by setting the positive and negative threaded rods 5, it is convenient to drive the threaded sleeve 6 to rotate, by setting the threaded sleeve 6, it is convenient to drive the two connecting plates 7 to move, the movement of the connecting plate 7 drives the connecting frame 2 to move, when the connecting frame 2 moves to the appropriate position, turn on the cylinder 8 to start and push the connecting frame 9 to move, the movement of the connecting frame 9 drives the connecting rod 10 to move, the movement of the connecting rod 10 drives the fixing rod 11 to move, the movement of the fixing rod 11 can drive multiple sets of pressing plates 12 to move, and the movement of multiple sets of pressing plates 12 can clamp and press the plywood.

[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An adjustable clamp for a plywood pressing device, comprising a fixing frame (1) and a connecting frame (2), characterized in that: Also includes: A driving mechanism (3) is arranged inside the fixed frame (1), a worm gear (4) is arranged outside the driving mechanism (3), a positive and negative threaded rod (5) is transversely fixed at the axis of the worm gear (4), a threaded sleeve (6) is threadedly connected to the outer side of the positive and negative threaded rod (5), and a connecting plate (7) for connecting with the connecting frame (2) is vertically fixed on the top of the threaded sleeve (6); A cylinder (8) is arranged inside the connection frame (2), a connection frame (9) is fixed on the top of the cylinder (8), a connection rod (10) is rotatably mounted on the inner wall of the connection frame (9), a fixing rod (11) is rotatably mounted on the inner wall of the connection rod (10), and a pressing plate (12) for pressing the plywood is fixed at the lower end of the fixing rod (11).

2. The adjustable clamp of the plywood pressing device according to claim 1, characterized in that: A mounting frame (13) is fixed on the outer side of the connection frame (2), and a connecting shaft (14) for adjusting the connecting rod (10) is rotatably disposed on the inner wall of the mounting frame (13).

3. The adjustable clamp of the plywood pressing device according to claim 1, characterized in that: A fixing frame (15) is fixed on the outer side of the connecting rod (10), and an adjusting rod (16) is rotatably provided on the inner wall of the fixing frame (15).

4. The adjustable clamp of the plywood pressing device according to claim 1, characterized in that: A fixing seat (17) is fixed to the inner wall of the connection frame (2), and a limiting rod (18) is fixed to one side of the fixing seat (17).

5. The adjustable clamp of the plywood pressing device according to claim 4, characterized in that: The outer side of the limiting rod (18) is slidably provided with a limiting plate (19), the inner wall of the limiting plate (19) is clamped with a limiting frame (20), and the inner wall of the limiting frame (20) is rotatably provided with a connecting block (21) for connecting with the adjusting rod (16).

6. The adjustable clamp of the plywood pressing device according to claim 1, characterized in that: A support frame (22) is fixed to the inner wall of the pressing plate (12), and two groups of the support frames (22) are provided.

7. The adjustable clamp of the plywood pressing device according to claim 1, characterized in that: The driving mechanism (3) comprises a motor (31) fixed to the inner wall of the fixed frame (1), and a worm (32) for driving the worm wheel (4) to rotate is fixed to the output end of the motor (31).