Accurate positioning device of woodworking engraving machine

Abstract

The utility model relates to the technical field of woodworking engraving machines, and discloses a precise positioning device of a woodworking engraving machine, which comprises a machine body, a positioning table is fixedly arranged at the top of the machine body, a positioning mechanism and a pressing mechanism are arranged at the top of the positioning table, the positioning mechanism comprises a locking assembly and a stabilizing assembly, the locking assembly comprises a sliding plate, and the sliding plate is fixedly connected with the positioning table. The sliding plate is slidably connected to the side wall of the positioning table, the inner wall of the sliding plate penetrates through and is slidably connected with a positioning rod, a positioning block is fixedly installed at one end of the positioning rod, a limiting block is fixedly installed at the other end of the positioning rod, and a reset spring is fixedly installed on the side, close to the sliding plate, of the limiting block. The inner wall of the positioning table penetrates through and is rotationally connected with a two-way lead screw. According to the utility model, the positioning rods are matched with the positioning blocks and the side plates to effectively restrain the periphery of the plate, so that the stability of the plate can be improved, and the axial displacement of the plate in the engraving process is avoided.

Description

Technical Field

[0001] This utility model relates to the field of wood carving machine technology, and in particular to a precision positioning device for a wood carving machine. Background Technology

[0002] A wood carving machine is a CNC device used for fine processing of materials such as wood, MDF, and acrylic. It can cut, carve, and hollow out complex patterns.

[0003] Currently, most wood carving machines typically use screws and clamps to fix the boards. This method is simple in structure, low in cost, suitable for boards of regular size, and can provide a certain degree of stability, ensuring that the boards do not move significantly during the carving process.

[0004] However, in actual use, due to the different length and width dimensions of the boards, the clamps can usually only fix the two sides of the boards and cannot effectively constrain the four sides. This causes the boards to easily undergo axial displacement due to uneven force during high-speed carving or deep cutting, affecting the processing accuracy. To address this issue, a precision positioning device for wood carving machines is proposed. Utility Model Content

[0005] To overcome the above deficiencies, this utility model provides a precision positioning device for a wood carving machine, which aims to improve the problem mentioned in the prior art of "inability to effectively constrain the board, resulting in axial displacement of the board".

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a precision positioning device for a woodworking carving machine, comprising a machine body, a positioning platform fixedly installed on the top of the machine body, a positioning mechanism and a pressing mechanism provided on the top of the positioning platform, the positioning mechanism comprising a locking component and a stabilizing component, the locking component comprising a sliding plate, the sliding plate being slidably connected to the side wall of the positioning platform, a positioning rod being slidably connected through the inner wall of the sliding plate, a positioning block being fixedly installed at one end of the positioning rod, a limit block being fixedly installed at the other end of the positioning rod, a return spring being fixedly installed on the side of the limit block near the sliding plate, a bidirectional lead screw being rotatably connected through the inner wall of the positioning platform, and a handwheel being fixedly installed at the right end of the bidirectional lead screw.

[0007] As a further description of the above technical solution:

[0008] The stabilizing component includes a side plate that is slidably connected to the inner wall of the slide plate, and the top of the side plate has an inclined groove.

[0009] As a further description of the above technical solution:

[0010] A horizontal plate is fixedly installed on the top of the positioning block. A fixed shaft is fixedly installed on the lower surface of the horizontal plate at the end away from the positioning block. The outer wall of the fixed shaft is attached to the inner wall of the inclined groove.

[0011] As a further description of the above technical solution:

[0012] The clamping mechanism includes a slide rod that passes through and is slidably connected to the inner wall of the horizontal plate. A pressure block is fixedly installed on the top of the slide rod, and an inclined block is fixedly installed on the side wall of the slide rod.

[0013] As a further description of the above technical solution:

[0014] A limiting spring is fitted onto the outer wall of the slide rod. One end of the limiting spring is fixedly installed on the lower surface of the pressure block, and the other end of the limiting spring is fixedly installed on the upper surface of the horizontal plate.

[0015] As a further description of the above technical solution:

[0016] The slide plate is threadedly connected to a bidirectional lead screw.

[0017] As a further description of the above technical solution:

[0018] The end of the reset spring away from the limit block is fixedly installed on the outer wall of the slide plate.

[0019] As a further description of the above technical solution:

[0020] The side plate is L-shaped, and its bottom is attached to the upper surface of the positioning platform.

[0021] This utility model has the following beneficial effects:

[0022] 1. In this utility model, the positioning rod, in conjunction with the positioning block and the side plate, can effectively constrain the four sides of the plate, thereby improving the stability of the plate and preventing axial displacement of the plate during the carving process.

[0023] 2. In this utility model, the top of the plate can be limited by the elastic combination of the limiting spring, the pressure block and the sliding rod, to prevent the plate from moving upward with the tool during the carving process, thereby further improving the stability of the plate during the carving process. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0025] Figure 2 This is a schematic diagram of the overall structure of the positioning platform of this utility model;

[0026] Figure 3 This utility model Figure 1 A magnified structural diagram at point A.

[0027] Legend:

[0028] 1. Body; 2. Positioning platform; 3. Locking assembly; 31. Slide plate; 32. Positioning rod; 33. Positioning block; 34. Limiting block; 35. Return spring; 36. Two-way lead screw; 37. Handwheel; 4. Stabilizing assembly; 41. Side plate; 42. Inclined groove; 43. Horizontal plate; 44. Fixed shaft; 5. Pressing mechanism; 51. Slide rod; 52. Pressing block; 53. Limiting spring; 54. Inclined block. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] Reference Figure 1 - Figure 3 One embodiment of this utility model is a precision positioning device for a wood carving machine, comprising a body 1, a positioning platform 2 fixedly installed on the top of the body 1, a positioning mechanism and a pressing mechanism 5 provided on the top of the positioning platform 2, and the positioning mechanism including a locking component 3 and a stabilizing component 4.

[0031] Reference Figure 1 - Figure 3 The locking assembly 3 includes a sliding plate 31, which is slidably connected to the side wall of the positioning platform 2. A positioning rod 32 is slidably connected through the inner wall of the sliding plate 31. A positioning block 33 is fixedly installed at one end of the positioning rod 32. The two sets of positioning rods 32 and positioning blocks 33 can be used to position the left and right sides of the plate. A limit block 34 is fixedly installed at the other end of the positioning rod 32. A return spring 35 is fixedly installed on the side of the limit block 34 near the sliding plate 31. The end of the return spring 35 away from the limit block 34 is fixedly installed on the sliding plate 31. The outer wall of the plate, under the elastic action of the return spring 35 and the limit block 34, can push the positioning rod 32, so that the positioning rod 32 drives the positioning block 33 to stick tightly to the side wall of the plate. The inner wall of the positioning platform 2 is rotatably connected to the bidirectional lead screw 36. The slide plate 31 is threadedly connected to the bidirectional lead screw 36. The right end of the bidirectional lead screw 36 is fixedly installed with a handwheel 37. By rotating the bidirectional lead screw 36 through the handwheel 37, the bidirectional lead screw 36 will drive the two sets of slide plates 31 threadedly connected to it to slide synchronously in opposite directions on the side wall of the positioning platform 2.

[0032] Reference Figure 1 - Figure 3The stabilizing component 4 includes a side plate 41, which is slidably connected to the inner wall of the slide plate 31. The side plate 41 is L-shaped, and the bottom of the side plate 41 is attached to the upper surface of the positioning platform 2. By bringing the two sets of side plates 41 close to each other, the front and rear sides of the plate can be limited. At the same time, the plate can be accurately positioned in conjunction with the positioning block 33. The top of the side plate 41 is provided with a sloping groove 42. A horizontal plate 43 is fixedly installed on the top of the positioning block 33. A fixed shaft 44 is fixedly installed on the lower surface of the horizontal plate 43 away from the positioning block 33. The outer wall of the fixed shaft 44 is attached to the inner wall of the sloping groove 42. During the movement of the slide plate 31, the fixed shaft 44 and the sloping groove 42 can drive the side plate 41 to slide on the inner wall of the slide plate 31.

[0033] Reference Figure 3 The clamping mechanism 5 includes a slide rod 51, which is slidably connected to the inner wall of the horizontal plate 43. The slide rod 51 can limit the top of the plate to prevent it from moving upward with the tool during the engraving process. A pressure block 52 is fixedly installed on the top of the slide rod 51, and an inclined block 54 is fixedly installed on the side wall of the slide rod 51. When the inclined block 54 comes into contact with the plate during the movement, it will be squeezed by the plate, which will push the slide rod 51 upward. A limit spring 53 is sleeved on the outer wall of the slide rod 51. One end of the limit spring 53 is fixedly installed on the lower surface of the pressure block 52, and the other end of the limit spring 53 is fixedly installed on the upper surface of the horizontal plate 43. Under the elastic action of the limit spring 53, the slide rod 51 can be pressed tightly against the upper surface of the plate in conjunction with the pressure block 52.

[0034] Working principle: In use, the sheet material is first placed on the positioning platform 2 and positioned between the two sets of sliding plates 31. Then, the double-acting screw 36 is rotated by the handwheel 37. As the double-acting screw 36 rotates, it drives the two sets of sliding plates 31, which are threaded to it, to slide synchronously in opposite directions on the side wall of the positioning platform 2, bringing the two sets of sliding plates 31 closer together. At this time, the two sets of sliding plates 31 will drive the two sets of positioning rods 32 to move closer together. During the process of the positioning rods 32 moving closer together, the positioning block 33 will be driven to fit against the side wall of the sheet material. At this time, the double-acting screw 36 is continued to rotate to make the two sets of sliding plates 31 continue to move closer together. As the slide plates 31 approach each other, the positioning block 33, after being attached to the side wall of the plate, limits the positioning rod 32, keeping the positioning rod 32 stationary during the approach. Simultaneously, the slide plate 31 stretches the return spring 35 fixedly installed on the side wall of the limiting block 34 during the sliding process. At this time, the elasticity of the return spring 35 pulls the limiting block 34, causing the limiting block 34 to push the positioning rod 32. The positioning rod 32 then drives the positioning block 33 to adhere tightly to the side wall of the plate. By using two sets of positioning rods 32 in conjunction with the positioning block 33, the left and right sides of the plate can be positioned.

[0035] When the positioning block 33 is attached to the side wall of the plate and the sliding plate 31 continues to move closer to each other, the sliding plate 31 will drive the side plate 41 to move synchronously. At this time, because the positioning block 33 is attached to the side wall of the plate, the horizontal plate 43 and the fixed shaft 44 are in a stationary state. When the horizontal plate 43 is stationary, as the sliding plate 31 drives the side plate 41 to move, the inclined groove 42 opened at the top of the side plate 41 will be squeezed by the fixed shaft 44. Therefore, while the sliding plate 31 drives the side plate 41 to move, the side plate 41 will be pushed by the fixed shaft 44, causing the side plate 41 to slide against the inner wall of the sliding plate 31. When the two sets of side plates 41 move, they will move closer to each other, and thus the two sets of side plates 41 can be attached to the front and back sides of the board respectively. When the side plates 41 are attached to the front and back sides of the board, they will be restricted by the board, so the two sets of side plates 41 will not move closer to each other. After the two sets of side plates 41 stop sliding, under the limiting action of the inclined groove 42, they can cooperate with the fixed shaft 44 to limit the horizontal plate 43, thereby limiting the positioning block 33. At this time, the positioning block 33 and the side plates 41 can be used to position the four sides of the board, thereby improving the stability of the board during the carving process.

[0036] As the positioning block 33 gradually approaches the material, it works in conjunction with the horizontal plate 43 to move the sliding rod 51 synchronously. Simultaneously, the sliding rod 51 moves the inclined block 54. When the inclined block 54 contacts the material during its movement, it is compressed by the material, causing the inclined block 54 to push the sliding rod 51 upwards. At this point, the sliding rod 51 slides upwards along the inner wall of the horizontal plate 43. Meanwhile, the pressure block 52 at the top of the sliding rod 51 stretches the limiting spring 53. Under the elastic action of the limiting spring 53, the pressure block 52 ensures that the sliding rod 51 is firmly attached to the upper surface of the material. The sliding rod 51 effectively limits the top of the material, preventing it from moving upwards with the cutting tool during the carving process, thus further improving the stability of the material during carving.

[0037] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A precision positioning device for a wood carving machine, comprising a machine body (1), characterized in that: A positioning platform (2) is fixedly installed on the top of the body (1). A positioning mechanism and a pressing mechanism (5) are provided on the top of the positioning platform (2). The positioning mechanism includes a locking component (3) and a stabilizing component (4). The locking component (3) includes a sliding plate (31). The sliding plate (31) is slidably connected to the side wall of the positioning platform (2). A positioning rod (32) is slidably connected through the inner wall of the sliding plate (31). A positioning block (33) is fixedly installed at one end of the positioning rod (32). A limit block (34) is fixedly installed at the other end of the positioning rod (32). A reset spring (35) is fixedly installed on the side of the limit block (34) near the sliding plate (31). A two-way lead screw (36) is rotatably connected through the inner wall of the positioning platform (2). A handwheel (37) is fixedly installed at the right end of the two-way lead screw (36).

2. The precision positioning device for a woodworking carving machine according to claim 1, characterized in that: The stabilizing component (4) includes a side plate (41) which is slidably connected to the inner wall of the slide plate (31), and the top of the side plate (41) is provided with a sloping groove (42).

3. The precision positioning device for a woodworking carving machine according to claim 1, characterized in that: A horizontal plate (43) is fixedly installed on the top of the positioning block (33). A fixed shaft (44) is fixedly installed on the lower surface of the horizontal plate (43) at the end away from the positioning block (33). The outer wall of the fixed shaft (44) is attached to the inner wall of the inclined groove (42).

4. The precision positioning device for a woodworking carving machine according to claim 1, characterized in that: The pressing mechanism (5) includes a slide rod (51), which is slidably connected to the inner wall of the horizontal plate (43). A pressure block (52) is fixedly installed on the top of the slide rod (51), and an inclined block (54) is fixedly installed on the side wall of the slide rod (51).

5. The precision positioning device for a woodworking carving machine according to claim 4, characterized in that: A limiting spring (53) is sleeved on the outer wall of the slide bar (51). One end of the limiting spring (53) is fixedly installed on the lower surface of the pressure block (52), and the other end of the limiting spring (53) is fixedly installed on the upper surface of the horizontal plate (43).

6. The precision positioning device for a woodworking carving machine according to claim 1, characterized in that: The slide plate (31) is threadedly connected to the bidirectional lead screw (36).

7. The precision positioning device for a woodworking carving machine according to claim 1, characterized in that: The end of the return spring (35) away from the limit block (34) is fixedly installed on the outer wall of the slide plate (31).

8. The precision positioning device for a woodworking carving machine according to claim 2, characterized in that: The side plate (41) is L-shaped, and the bottom of the side plate (41) is attached to the upper surface of the positioning platform (2).

Images