Workpiece clamping device for machining of carving machine
The dual-screw rod mechanism in the workpiece clamping device addresses the challenge of accommodating different workpiece sizes by allowing adjustable clamping, enhancing the engraving machine's versatility and practicality.
Patent Information
- Application Number
- CN202420769710.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-15
- Publication Date
- 2024-12-27
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
Existing workpiece clamping devices for engraving machines face limitations in clamping workpieces of different sizes, leading to reduced universality and practicality.
A workpiece clamping device with a dual-screw rod mechanism, featuring first and second bidirectional screw rods with nut plates and movable frames, allowing for adjustable clamping plates to accommodate various sizes by rotating the motors, enabling four clamping plates to securely hold workpieces of different dimensions.
The device enhances the universality of engraving machines by securely clamping workpieces of varying sizes, improving the practicality and adaptability of the engraving process.
Smart Images

Figure CN222243652U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of clamping devices, in particular to a workpiece clamping device for engraving machine processing. Background Art
[0002] An engraving machine is a tool that can perform fine cutting and engraving. It is usually controlled by a computer and designed and laid out through special engraving software. This machine is mainly used for cutting and engraving various materials. During the processing, the engraving machine will use workpiece holding devices, which are mainly used to fix and stabilize the processed materials to ensure accuracy and stability during the processing.
[0003] At present, some workpiece clamping devices for engraving machine processing on the market have certain limitations in clamping function, and it is difficult to clamp workpieces of different sizes, which makes the universality of the engraving machine less than ideal and the practicality is not strong. Therefore, a workpiece clamping device for engraving machine processing is proposed. Utility Model Content
[0004] The purpose of the utility model is to provide a workpiece clamping device for engraving machine processing to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a workpiece clamping device for engraving machine processing, comprising an operating table, a first motor is fixedly installed on the right side of the lower surface of the operating table, a first bidirectional screw rod is fixedly connected to the output shaft end of the first motor, the outer side wall of the first bidirectional screw rod is provided with two sections of threads in opposite directions, a mounting plate is welded on the left side of the lower surface of the operating table, the first bidirectional screw rod is rotatably connected to the right surface of the mounting plate through a bearing, two first nut plates are threadedly connected to the outer side wall of the first bidirectional screw rod, two movable frames are symmetrically welded to the outer side wall of the first nut plate, and the lower surface of the operating table Two through slots are provided, the upper surfaces of the two movable frames pass through the through slots and are welded with the same mounting frame, a second motor is fixedly installed on the front surface of the mounting frame, an output shaft end of the second motor passes through the front surface of the mounting frame and is fixedly connected with a second bidirectional screw rod, an outer side wall of the second bidirectional screw rod is provided with two sections of threads in opposite directions, the second bidirectional screw rod is rotatably connected to the inner side wall of the mounting frame through a bearing, two second nut plates are threadedly connected to the outer side wall of the second bidirectional screw rod, a movable block is fixedly connected to the outer side wall of the second nut plate, and a clamping plate is fixedly connected to the side of the movable block away from the second nut plate.
[0006] As a further preferred embodiment of the technical solution: two first guide rods are symmetrically welded to the right surface of the mounting plate, and the outer side walls of the first guide rods are slidably connected to the first nut plate.
[0007] As a further preferred embodiment of the technical solution: a fixing plate is welded to one end of the first guide rod away from the mounting plate, and an upper surface of the fixing plate is fixedly connected to a lower surface of the operating table.
[0008] As a further preferred embodiment of the technical solution: two second guide rods are symmetrically welded to the inner side wall of the mounting frame, and the outer side wall of the second guide rod is slidably connected to the second nut plate.
[0009] As a further preferred embodiment of the present technical solution: a first limiting ring is welded in the middle of the outer side wall of the first bidirectional screw rod.
[0010] As a further preferred embodiment of the present technical solution: a second limiting ring is welded to the outer side wall of the second bidirectional screw rod.
[0011] As a further preferred embodiment of the technical solution: legs are evenly welded on the lower surface of the operating table.
[0012] As a further preferred embodiment of the present technical solution: a tool box is fixedly connected to the front surface of the operating table.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] The utility model places the workpiece in the middle of the operating table, starts the first motor to drive the first bidirectional lead screw to rotate, and because the two first nut plates are respectively matched with the threads at both ends of the first bidirectional lead screw, the two first nut plates can move away from or close to each other, and the two first nut plates drive the moving frame to move, so that the two mounting frames move away from or close to each other, and the second motor is started to drive the second bidirectional lead screw to rotate, and the two second nut plates on the second bidirectional lead screw move away from or close to each other, and the two second nut plates drive the two moving blocks and the clamping plates move away from or close to each other, so as to adapt to workpieces of different sizes, and four clamping plates are used to clamp the workpiece, so as to clamp workpieces of different sizes, thereby improving the universality of the engraving machine and making it more practical. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the main structure of the utility model;
[0016] Figure 2 This is a schematic diagram of the structure of the utility model when viewed from above;
[0017] Figure 3 It is a structural schematic diagram of the first bidirectional screw rod and the first nut plate in the utility model;
[0018] Figure 4 It is a structural schematic diagram of the second bidirectional screw rod and the second nut plate in the utility model.
[0019] In the figure: 1. operating table; 2. first motor; 3. first bidirectional screw rod; 4. mounting plate; 5. first nut plate; 6. moving frame; 7. through slot; 8. mounting frame; 9. second motor; 10. second bidirectional screw rod; 11. second nut plate; 12. moving block; 13. clamping plate; 14. first guide rod; 15. fixing plate; 16. second guide rod; 17. first limiting ring; 18. second limiting ring; 19. supporting leg; 20. tool box. 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 1-4The utility model provides a technical solution: a workpiece clamping device for engraving machine processing, comprising an operating table 1, a first motor 2 is fixedly installed on the right side of the lower surface of the operating table 1, a first bidirectional screw rod 3 is fixedly connected to the output shaft end of the first motor 2, and the outer wall of the first bidirectional screw rod 3 is provided with two sections of threads in opposite directions, a mounting plate 4 is welded on the left side of the lower surface of the operating table 1, the first bidirectional screw rod 3 and the right surface of the mounting plate 4 are rotatably connected through a bearing, the outer wall of the first bidirectional screw rod 3 is threadedly connected with two first nut plates 5, and the outer wall of the first nut plate 5 is symmetrically welded with two moving frames 6, the lower surface of the operating table 1 is provided with two through grooves 7, the upper surfaces of the two moving frames 6 pass through the through grooves 7 and are welded with the same mounting frame 8, a second motor 9 is fixedly installed on the front surface of the mounting frame 8, the output shaft end of the second motor 9 passes through the front surface of the mounting frame 8 and is fixedly connected to the second bidirectional screw rod 10, the outer wall of the second bidirectional screw rod 10 is provided with two sections in opposite directions Thread, the second bidirectional screw rod 10 is rotatably connected to the inner side wall of the mounting frame 8 through a bearing, the outer side wall of the second bidirectional screw rod 10 is threadedly connected to two second nut plates 11, the outer side wall of the second nut plate 11 is fixedly connected with a moving block 12, and the moving block 12 is fixedly connected with a clamping plate 13 on the side away from the second nut plate 11; the workpiece is placed in the middle of the operating table 1, and the first motor 2 is started to drive the first bidirectional screw rod 3 to rotate. Since the two first nut plates 5 are respectively matched with the two end threads on the first bidirectional screw rod 3, the two first nut plates 5 can move away from or close to each other, and the two first nut plates 5 drive the moving frame 6 to move, so that the two mounting frames 8 move away from or close to each other, and the second motor 9 is started to drive the second bidirectional screw rod 10 to rotate, and the two second nut plates 11 on the second bidirectional screw rod 10 move away from or close to each other, and the two second nut plates 11 drive the two moving blocks 12 and the clamping plate 13 to move away from or close to each other, which can adapt to workpieces of different sizes, and the four clamping plates 13 are used to clamp the workpiece.
[0023] In this embodiment, specifically: two first guide rods 14 are symmetrically welded on the right surface of the mounting plate 4, and the outer side wall of the first guide rod 14 is slidingly connected to the first nut plate 5; so that the first nut plate 5 does not rotate with the rotation of the first bidirectional screw 3, but keeps moving in the direction of the first guide rod 14.
[0024] In this embodiment, specifically: a fixing plate 15 is welded to one end of the first guide rod 14 away from the mounting plate 4 , and the upper surface of the fixing plate 15 is fixedly connected to the lower surface of the operating table 1 , so as to facilitate the installation and fixing of the first guide rod 14 .
[0025] In this embodiment, specifically: two second guide rods 16 are symmetrically welded to the inner wall of the mounting frame 8, and the outer wall of the second guide rod 16 is slidingly connected to the second nut plate 11; so that the second nut plate 11 does not rotate with the rotation of the second bidirectional screw 10, but keeps moving in the direction of the second guide rod 16.
[0026] In this embodiment, specifically: a first limiting ring 17 is welded in the middle of the outer side wall of the first bidirectional screw rod 3 .
[0027] In this embodiment, specifically: a second limiting ring 18 is welded to the outer side wall of the second bidirectional screw rod 10 .
[0028] In this embodiment, specifically: the lower surface of the operating table 1 is evenly welded with supporting legs 19 to facilitate supporting the operating table 1 .
[0029] In this embodiment, specifically: a tool box 20 is fixedly connected to the front surface of the operating table 1, and can be used to store tools.
[0030] The working principle of the utility model is: place the workpiece in the middle of the operating table 1, start the first motor 2 to drive the first bidirectional screw rod 3 to rotate, because the two first nut plates 5 are respectively matched with the two end threads on the first bidirectional screw rod 3, the two first nut plates 5 can move away from or close to each other, the two first nut plates 5 drive the moving frame 6 to move, so that the two mounting frames 8 move away from or close to each other, start the second motor 9 to drive the second bidirectional screw rod 10 to rotate, the two second nut plates 11 on the second bidirectional screw rod 10 move away from or close to each other, the two second nut plates 11 drive the two moving blocks 12 and the clamping plates 13 move away from or close to each other, which can adapt to workpieces of different sizes, and use four clamping plates 13 to clamp the workpiece, thereby constituting a workpiece clamping device for engraving machine processing, which can clamp workpieces of different sizes, improves the universality of the engraving machine, and is more practical.
[0031] 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 workpiece clamping device for engraving machine processing, comprising an operating table (1), characterized in that: A first motor (2) is fixedly mounted on the right side of the lower surface of the operating table (1); a first bidirectional screw rod (3) is fixedly connected to the output shaft end of the first motor (2); the outer wall of the first bidirectional screw rod (3) is provided with two sections of threads in opposite directions; a mounting plate (4) is welded to the left side of the lower surface of the operating table (1); the first bidirectional screw rod (3) is rotatably connected to the right surface of the mounting plate (4) via a bearing; two first nut plates (5) are threadedly connected to the outer wall of the first bidirectional screw rod (3); two moving frames (6) are symmetrically welded to the outer wall of the first nut plate (5); two through grooves (7) are provided on the lower surface of the operating table (1); the upper surfaces of the two moving frames (6) penetrate the through grooves (7) The mounting frame (8) is welded with the same mounting frame (8), a second motor (9) is fixedly mounted on the front surface of the mounting frame (8), an output shaft end of the second motor (9) passes through the front surface of the mounting frame (8) and is fixedly connected to a second bidirectional screw rod (10), an outer wall of the second bidirectional screw rod (10) is provided with two sections of threads in opposite directions, the second bidirectional screw rod (10) is rotatably connected to the inner wall of the mounting frame (8) via a bearing, the outer wall of the second bidirectional screw rod (10) is threadedly connected to two second nut plates (11), the outer wall of the second nut plate (11) is fixedly connected to a moving block (12), and a clamping plate (13) is fixedly connected to the side of the moving block (12) away from the second nut plate (11).
2. The workpiece clamping device for engraving machine processing according to claim 1 is characterized in that: Two first guide rods (14) are symmetrically welded to the right surface of the mounting plate (4), and the outer side walls of the first guide rods (14) are slidably connected to the first nut plate (5).
3. The workpiece clamping device for engraving machine processing according to claim 2 is characterized in that: A fixing plate (15) is welded to one end of the first guide rod (14) away from the mounting plate (4), and the upper surface of the fixing plate (15) is fixedly connected to the lower surface of the operating table (1).
4. The workpiece clamping device for engraving machine processing according to claim 2 is characterized in that: Two second guide rods (16) are symmetrically welded to the inner side wall of the mounting frame (8), and the outer side wall of the second guide rod (16) is slidably connected to the second nut plate (11).
5. The workpiece clamping device for engraving machine processing according to claim 2 is characterized in that: A first limiting ring (17) is welded in the middle of the outer side wall of the first bidirectional screw rod (3).
6. The workpiece clamping device for engraving machine processing according to claim 2 is characterized in that: A second limiting ring (18) is welded to the outer side wall of the second bidirectional screw rod (10).
7. The workpiece clamping device for engraving machine processing according to claim 6 is characterized in that: The lower surface of the operating table (1) is evenly welded with supporting legs (19).
8. The workpiece clamping device for engraving machine processing according to claim 6 is characterized in that: A tool box (20) is fixedly connected to the front surface of the operating table (1).
