Edge cutting fixing device for plywood production

By designing a cutting fixing device with a bidirectional screw and nut plate in the production of plywood, using motor drive and spring clamping technology, the displacement problem caused by mechanical force during the cutting process of plywood is solved, ensuring cutting Edge accuracy and dimensional compliance improve product quality and practicality.

CN222309139UActive Publication Date: 2025-01-07DONGMING SHENGHAO WOOD IND CO LTD
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Patent Information

Application Number
CN202420809561.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-18
Publication Date
2025-01-07
Estimated Expiration
2034-04-18

AI Technical Summary

Technical Problem

During the production process of plywood, the mechanical force of the edge cutting device causes the displacement of the plywood, affecting the edge cutting accuracy, and failing to reach the specified size.

Method used

A cutting fixing device for plywood production is designed. By installing a bidirectional screw and a nut plate on the operating table, the bidirectional screw is driven to rotate by a motor, so that the nut plate and the connecting frame are kept away from each other or close to each other, and the fixing plate is clamped by a spring. Plywood prevents displacement and uses a cutting tool to complete the cutting treatment.

Benefits of technology

It effectively prevents the displacement of plywood caused by mechanical force of the edge cutting device, ensures the edge cutting accuracy, and makes the edge cutting plywood meet the specified size, improving the overall quality and practicality of the product.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of edge cutting and fixing devices, in particular to an edge cutting and fixing device for plywood production, which comprises an operation table. The plywood is placed on the upper surface of the operation table, the first motor is started to drive the two-way lead screw to rotate, the two sections of threads in the opposite directions on the two-way lead screw drive the two nut plates to be away from or close to each other, and the two nut plates drive the connecting frame and the movable plate to be away from or close to each other. When the two fixing plates make contact with the two sides of the plywood, the fixing plates extrude the springs and the sleeve rods slide along the inner side walls of the sleeves, when the springs are extruded to the limit state, the plywood is clamped and fixed to the upper surface of the operation table through the fixing plates, and then the plywood is subjected to edge cutting treatment through an edge cutter. And the phenomenon that when the mechanical acting force of the edge cutting device acts on the surface of the plywood, the plywood moves is prevented, the edge cutting precision is not affected, the plywood subjected to edge cutting is made to be combined with the specified size, and practicability is higher.
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Description

Technical Field

[0001] The utility model relates to the technical field of trimming and fixing devices, in particular to a trimming and fixing device for plywood production. Background Art

[0002] Plywood needs to be trimmed during the production process. Trimming refers to the process of edge processing after the plywood is produced. The purpose is to remove the excess part of the board to make it reach the specified size. Trimming is an important step in the plywood production process. It can ensure the accuracy of the size of the plywood and meet the needs of subsequent use. In addition, the trimming process can also remove possible defects on the edge of the board and improve the overall quality of the product. Therefore, a trimming device for plywood production is required in the production of plywood;

[0003] However, during the trimming process of plywood, the mechanical force of the trimming device acts on the surface of the plywood, and the plywood is easily displaced, thereby affecting the trimming accuracy and failing to achieve the specified size. Therefore, a trimming fixing device for plywood production is proposed. Utility Model Content

[0004] The utility model aims to provide a trimming and fixing device for plywood production 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 scheme: a trimming and fixing device for plywood production, comprising an operating table, a mounting groove is provided on the lower surface of the operating table, a first motor is fixedly installed on the right surface of the operating table, a bidirectional screw rod is fixedly connected to the output shaft end of the first motor, the bidirectional screw rod passes through the right surface of the operating table, the bidirectional screw rod and the inner side wall of the mounting groove are rotatably connected through a bearing, the outer side wall of the bidirectional screw rod is provided with two sections of threads in opposite directions, the two sections of threads are respectively threadedly connected to two nut plates, and the outer side wall of the nut plate is symmetrically welded with two connecting frames, the upper surface of the operating table is symmetrically provided with two through grooves, the connecting frame passes through the through groove, and the same movable plate is welded on the side close to the two connecting frames, the outer side wall of the movable plate is fixedly connected with a sleeve, the inner side wall of the sleeve is slidably connected with a sleeve rod, the end of the sleeve rod away from the sleeve is fixedly connected with a fixed plate, a spring is fixedly connected between the fixed plate and the sleeve, and a trimming knife is provided above the operating table.

[0006] As a further preferred embodiment of the technical solution: an electric cylinder is fixedly installed on the rear side of the upper surface of the operating table, one end of the piston rod of the electric cylinder is fixedly connected to a lifting plate, a connecting plate is welded to the lower surface of the lifting plate, a second motor is fixedly installed on the right surface of the connecting plate, a rotating shaft is fixedly connected to the output shaft end of the second motor, the rotating shaft and the connecting plate are rotatably connected via a bearing, and the outer wall of the rotating shaft is fixedly connected to the inner wall of the trimming knife.

[0007] As a further preferred embodiment of the technical solution: two guide rods are symmetrically welded to the inner side wall of the installation groove, and the outer side wall of the guide rod is slidably connected to the nut plate.

[0008] As a further preferred embodiment of the technical solution: a limit plate is welded on the upper surface of the inner wall of the installation groove, and the limit plate is rotatably connected to the bidirectional screw rod via a bearing.

[0009] As a further preferred embodiment of the present technical solution: scale lines are provided on the front side of the upper surface of the operating table.

[0010] As a further preferred embodiment of the present technical solution: four legs are welded to the lower surface of the operating table.

[0011] As a further preferred embodiment of the technical solution: protrusions are evenly bonded to the outer side wall of the fixing plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model places a plywood on the upper surface of an operating table, starts a first motor to drive a bidirectional lead screw to rotate, and two sections of threads in opposite directions on the bidirectional lead screw drive two nut plates to move away from or approach each other, and the two nut plates drive a connecting frame and a movable plate to move away from or approach each other. When the two fixed plates contact two sides of the plywood, the fixed plates squeeze the springs, and the sleeve rods slide along the inner side walls of the sleeves. When the springs are squeezed to a limit state, the fixed plates clamp and fix the plywood on the upper surface of the operating table, and then a trimming knife is used to complete the trimming of the plywood, so that the plywood is prevented from being displaced when the mechanical force of the trimming device acts on the surface of the plywood, and the trimming accuracy is not affected, so that the plywood after trimming is of a specified size and is more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the utility model when viewed from above;

[0016] Figure 3 It is a structural schematic diagram of a bidirectional screw rod and a nut plate in the utility model;

[0017] Figure 4 It is a structural schematic diagram of the sleeve and the sleeve rod in the utility model;

[0018] Figure 5 It is a structural schematic diagram of the edge trimming knife in the utility model.

[0019] In the figure: 1. operating table; 2. mounting slot; 3. first motor; 4. bidirectional screw rod; 5. nut plate; 6. connecting frame; 7. through slot; 8. movable plate; 9. sleeve; 10. sleeve rod; 11. fixed plate; 12. spring; 13. trimming knife; 14. electric cylinder; 15. lifting plate; 16. connecting plate; 17. second motor; 18. rotating shaft; 19. guide rod; 20. limit plate; 21. scale line; 22. support leg; 23. protrusion. DETAILED DESCRIPTION

[0020] 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. Examples of the embodiments are shown in the drawings, where the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present application, and cannot be understood as limitations on the present application. 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 making creative work are within the scope of protection of the utility model.

[0021] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", and "set" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0022] See also Figure 1-5The utility model provides a technical solution: a trimming and fixing device for plywood production, comprising an operating table 1, a mounting groove 2 is provided on the lower surface of the operating table 1, a first motor 3 is fixedly installed on the right surface of the operating table 1, a bidirectional screw rod 4 is fixedly connected to the output shaft end of the first motor 3, the bidirectional screw rod 4 passes through the right surface of the operating table 1, the bidirectional screw rod 4 is rotatably connected to the inner side wall of the mounting groove 2 through a bearing, the outer side wall of the bidirectional screw rod 4 is provided with two sections of threads in opposite directions, the two sections of threads are respectively threadedly connected to two nut plates 5, the outer side wall of the nut plate 5 is symmetrically welded with two connecting frames 6, the upper surface of the operating table 1 is symmetrically provided with two through grooves 7, the connecting frame 6 passes through the through groove 7, the same movable plate 8 is welded on the adjacent side of the two connecting frames 6, and the outer side wall of the movable plate 8 is fixedly connected with a sleeve 9, a sleeve rod 10 is slidably connected to the inner wall of the sleeve 9, and a fixing plate 11 is fixedly connected to the end of the sleeve rod 10 away from the sleeve 9, a spring 12 is fixedly connected between the fixing plate 11 and the sleeve 9, and a trimming knife 13 is provided above the operating table 1; the plywood is placed on the upper surface of the operating table 1, and the first motor 3 is started to drive the bidirectional screw rod 4 to rotate, and the two sections of threads in opposite directions on the bidirectional screw rod 4 drive the two nut plates 5 to move away from or approach each other, and the two nut plates 5 drive the connecting frame 6 and the movable plate 8 to move away from or approach each other, and when the two fixing plates 11 contact the two sides of the plywood, the fixing plates 11 squeeze the spring 12, and the sleeve rod 10 slides along the inner wall of the sleeve 9, and when the spring 12 is squeezed to the limit state, the fixing plate 11 clamps the plywood and fixes it on the upper surface of the operating table 1, and then the trimming knife 13 is used to complete the trimming of the plywood.

[0023] In this embodiment, specifically: an electric cylinder 14 is fixedly installed on the rear side of the upper surface of the operating table 1, one end of the piston rod of the electric cylinder 14 is fixedly connected to a lifting plate 15, a connecting plate 16 is welded to the lower surface of the lifting plate 15, a second motor 17 is fixedly installed on the right surface of the connecting plate 16, an output shaft end of the second motor 17 is fixedly connected to a rotating shaft 18, the rotating shaft 18 and the connecting plate 16 are rotatably connected through a bearing, and the outer side wall of the rotating shaft 18 is fixedly connected to the inner side wall of the trimming knife 13; the second motor 17 is started to drive the rotating shaft 18 and the trimming knife 13 to rotate, and the extended length of the electric cylinder 14 is adjusted so that the lifting plate 15 drives the connecting plate 16 and the trimming knife 13 to approach the plywood, thereby completing the trimming work.

[0024] In this embodiment, specifically: two guide rods 19 are symmetrically welded to the inner wall of the mounting groove 2, and the outer wall of the guide rod 19 is slidingly connected to the nut plate 5; so that the nut plate 5 does not rotate with the rotation of the bidirectional screw 4, but keeps moving in the direction of the guide rod 19.

[0025] In this embodiment, specifically: a limit plate 20 is welded on the upper surface of the inner wall of the installation groove 2, and the limit plate 20 is rotatably connected to the bidirectional screw rod 4 through a bearing to prevent the two nut plates 5 from moving beyond the limit plate 20.

[0026] In this embodiment, specifically: a scale line 21 is provided on the front side of the upper surface of the operating table 1 to facilitate calculation of the trimming distance.

[0027] In this embodiment, specifically: four legs 22 are welded on the lower surface of the operating table 1 to support the operating table 1 .

[0028] In this embodiment, specifically: the outer wall of the fixing plate 11 is evenly bonded with protrusions 23 , thereby increasing the friction between the fixing plate 11 and the plywood.

[0029] The working principle of the utility model is as follows: a plywood is placed on the upper surface of an operating table 1, a first motor 3 is started to drive a bidirectional screw rod 4 to rotate, two sections of threads in opposite directions on the bidirectional screw rod 4 drive two nut plates 5 to move away from or approach each other, and the two nut plates 5 drive a connecting frame 6 and a movable plate 8 to move away from or approach each other, when two fixed plates 11 are in contact with two sides of the plywood, the fixed plates 11 squeeze the springs 12, and the sleeve rod 10 slides along the inner wall of the sleeve 9, when the spring 12 is squeezed to a limit state, the fixed plates 11 clamp the plywood on the upper surface of the operating table 1, and then a trimming knife 13 is used to complete the trimming of the plywood, thereby constituting a trimming fixing device for plywood production, which prevents the plywood from being displaced when the mechanical force of the trimming device acts on the surface of the plywood, does not affect the trimming accuracy, and makes the plywood after trimming meet the specified size, which is more practical.

[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. A trimming and fixing device for plywood production, comprising an operating table (1), characterized in that: The lower surface of the operating table (1) is provided with a mounting groove (2), and a first motor (3) is fixedly mounted on the right surface of the operating table (1). The output shaft end of the first motor (3) is fixedly connected with a bidirectional screw rod (4), and the bidirectional screw rod (4) passes through the right surface of the operating table (1). The bidirectional screw rod (4) is rotatably connected to the inner side wall of the mounting groove (2) via a bearing. The outer side wall of the bidirectional screw rod (4) is provided with two sections of threads in opposite directions, and the two sections of threads are respectively threadedly connected to two nut plates (5). The outer side wall of the nut plate (5) is symmetrically welded with two connecting frames (6). The upper surface of the operating table (1) is symmetrically provided with two through grooves (7), the connecting frame (6) passes through the through grooves (7), a same movable plate (8) is welded to the adjacent sides of the two connecting frames (6), the outer wall of the movable plate (8) is fixedly connected with a sleeve (9), the inner wall of the sleeve (9) is slidably connected with a sleeve rod (10), the end of the sleeve rod (10) away from the sleeve (9) is fixedly connected with a fixed plate (11), a spring (12) is fixedly connected between the fixed plate (11) and the sleeve (9), and a trimming knife (13) is provided above the operating table (1).

2. The trimming and fixing device for plywood production according to claim 1, characterized in that: An electric cylinder (14) is fixedly mounted on the rear side of the upper surface of the operating table (1); one end of the piston rod of the electric cylinder (14) is fixedly connected to a lifting plate (15); a connecting plate (16) is welded to the lower surface of the lifting plate (15); a second motor (17) is fixedly mounted on the right surface of the connecting plate (16); a rotating shaft (18) is fixedly connected to the output shaft end of the second motor (17); the rotating shaft (18) and the connecting plate (16) are rotatably connected via a bearing; and an outer wall of the rotating shaft (18) is fixedly connected to an inner wall of the trimming knife (13).

3. The trimming and fixing device for plywood production according to claim 2, characterized in that: Two guide rods (19) are symmetrically welded to the inner side wall of the installation groove (2), and the outer side wall of the guide rod (19) is slidably connected to the nut plate (5).

4. The trimming and fixing device for plywood production according to claim 2, characterized in that: A limiting plate (20) is welded to the upper surface of the inner side wall of the installation groove (2), and the limiting plate (20) is rotatably connected to the bidirectional screw rod (4) via a bearing.

5. The trimming and fixing device for plywood production according to claim 2, characterized in that: The front side of the upper surface of the operating table (1) is provided with scale lines (21).

6. The trimming and fixing device for plywood production according to claim 2, characterized in that: Four supporting legs (22) are welded to the lower surface of the operating table (1).

7. The trimming and fixing device for plywood production according to claim 6, characterized in that: The outer side wall of the fixing plate (11) is evenly bonded with protrusions (23).