Numerical control machine tool fixing clamp with automatic positioning function

Abstract

The utility model relates to the technical field of numerical control machine tools, and discloses a numerical control machine tool fixing clamp with an automatic positioning function, which comprises a support, a first moving block is arranged in the support, the top of the first moving block is rotatably connected with a clamp table, and the top of the clamp table is provided with a clamping assembly. The clamping assembly and the control assembly are arranged, and the control assembly is used for controlling the clamping assembly to move on the clamp table, so that the clamping assembly can be attached to the side face of an object; the clamping plate in the clamping assembly can be attached to the irregular surface of the object through the rotation performance of the clamping plate, so that the clamping plate can make full contact with the object, and looseness is avoided in the machining process.

Description

Technical Field

[0001] The utility model relates to the technical field of numerical control machine tools, in particular to a numerical control machine tool fixing fixture with an automatic positioning function. Background Art

[0002] A CNC machine tool is an automated machine tool equipped with a program control system. The control system can logically process programs specified by control codes or other symbolic instructions, decode them, and represent them in coded numbers, which are input into the CNC device through information carriers. After calculation and processing, the CNC device sends various control signals to control the movement of the machine tool, and automatically processes parts according to the shape and size required by the drawing. When using a CNC machine tool, the object needs to be firmly placed in a fixture for processing.

[0003] The Chinese utility model patent with patent application number 202321848348.7 provides a CNC machine tool fixing fixture with automatic positioning function. By installing a laser rangefinder at the top of the bracket away from the top of the servo motor, when the moving seat is moved by the servo motor, the laser rangefinder can detect the position of the moving seat on the bracket. The laser rangefinder can move the moving seat to the required position to achieve automatic positioning, thereby improving the accuracy of object processing.

[0004] However, during the use of the above-mentioned equipment, it was found that the equipment used a cylinder to push the clamp to clamp and fix the objects. When facing objects with irregular sides, the clamp and the object were not in sufficient contact, which could easily lead to looseness during processing, affecting the processing accuracy and safety. Utility Model Content

[0005] The purpose of the utility model is to provide a CNC machine tool fixing fixture with an automatic positioning function to solve the problem raised in the above-mentioned background technology that when facing objects with irregular side shapes, the splint is not in sufficient contact with the object, which easily leads to looseness during processing and affects the processing accuracy and safety.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a CNC machine tool fixing fixture with automatic positioning function, comprising a bracket, a moving block 1 is arranged inside the bracket, the top of the moving block 1 is rotatably connected to a fixture table, a clamping component is arranged on the top of the fixture table, and a control component is arranged inside the fixture table.

[0007] Preferably, the clamping assembly comprises a movable plate, both ends of one side of the movable plate are fixedly connected with damping rods, one end of the damping rod is rotatably connected to the clamping plate, and an anti-slip layer is fixedly provided on one side of the clamping plate.

[0008] Preferably, the control component includes a threaded rod 1, and the threaded rod 1 is arranged in a ring-shaped array inside the fixture table. The threaded rod 1 is spirally connected to a moving block 2, and the top ring array of the fixture table is provided with a moving groove. The top of the moving block 2 passes through the moving groove and is fixedly connected to the moving plate. One end of the threaded rod 1 is connected to a bevel gear, and the bevel gears are meshed with each other. The other end of a single threaded rod 1 is connected to a rotating component.

[0009] Preferably, the rotating assembly includes a rotating shaft, which is fixedly connected to a threaded rod one, a limiting gear is fixedly arranged in the rotating shaft, a limiting groove is arranged above the rotating shaft, a limiting block is slidably connected in the limiting groove, a toothed protrusion is arranged at the bottom of the limiting block corresponding to the tooth groove of the limiting gear, a threaded rod two is spirally connected in the limiting block, a knob is arranged at the top of the threaded rod two, and the threaded rod two is spirally connected to the limiting groove.

[0010] Preferably, the top of the moving block 1 is rotatably connected to a rotating rod, a transmission gear 1 is provided on the rotating rod, the transmission gear 1 is meshed with a transmission gear 2, the transmission gear 2 is connected to a motor 1, and the fixture table is fixedly arranged on the top of the rotating rod.

[0011] Preferably, motor 2 is provided at one end of the bracket, the output end of motor 2 is connected to threaded rod 3, sliding rods are provided in parallel on both sides of threaded rod 3, the sliding rod and threaded rod 3 pass through the bottom of moving block 1, threaded rod 3 is spirally connected to moving block 1, and a sensor is provided on the bracket.

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

[0013] 1. The utility model sets a clamping assembly and a control assembly, and uses the control assembly to control the movement of the clamping assembly on the clamping table, so that the clamping assembly can fit the side of the object, and uses the rotatability of the clamping plate in the clamping assembly to make the clamping plate fit the irregular surface of the object, so that it can fully contact with the object and avoid looseness during processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a diagram showing the overall structure of the utility model;

[0015] Figure 2 For this utility model Figure 1 The internal structure of the moving block is shown in the figure;

[0016] Figure 3 For this utility model Figure 1 The structural display diagram of the middle fixture table;

[0017] Figure 4 For this utility model Figure 3 The internal structure of the middle fixture table is shown;

[0018] Figure 5 For this utility model Figure 4 Structural display diagram of the rotating component.

[0019] In the figure: 1. bracket; 11. threaded rod three; 12. motor two; 13. slide rod; 14. sensor; 2. moving block one; 21. motor one; 22. transmission gear two; 23. rotating rod; 24. transmission gear one; 3. fixture table; 31. moving groove; 4. clamping assembly; 41. moving plate; 42. damping rod; 43. clamping plate; 44. anti-slip layer; 5. rotating assembly; 51. rotating shaft; 52. limit gear; 53. limit groove; 54. knob; 55. threaded rod two; 56. limit block; 6. control assembly; 61. threaded rod one; 62. moving block two; 63. bevel gear. 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. 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. Example

[0021] See also Figure 1-Figure 5 , a CNC machine tool fixing fixture with automatic positioning function shown in the figure includes a bracket 1, a moving block 2 is arranged inside the bracket 1, a fixture table 3 is rotatably connected to the top of the moving block 2, a clamping component 4 is arranged on the top of the fixture table 3, and a control component 6 is arranged inside the fixture table 3;

[0022] The clamping assembly 4 includes a moving plate 41, and both ends of one side of the moving plate 41 are fixedly connected to a damping rod 42, one end of the damping rod 42 is rotatably connected to a clamping plate 43, and one side of the clamping plate 43 is fixedly provided with an anti-slip layer 44;

[0023] The control component 6 includes a threaded rod 61, which is arranged in a ring array inside the fixture table 3. The threaded rods 61 are all spirally connected with moving blocks 62. The top of the fixture table 3 is provided with a moving groove 31 in a ring array. The top of the moving block 62 passes through the moving groove 31 and is fixedly connected to the moving plate 41. One end of the threaded rod 61 is connected with a bevel gear 63, and the bevel gears 63 are meshed with each other. The other end of a single threaded rod 61 is connected with a rotating component 5.

[0024] The rotating assembly 5 includes a rotating shaft 51, which is fixedly connected to the threaded rod 1 61, a limit gear 52 is fixedly arranged in the rotating shaft 51, a limit slot 53 is arranged above the rotating shaft 51, a limit block 56 is slidably connected in the limit slot 53, a toothed protrusion is arranged at the bottom of the limit block 56 corresponding to the tooth slot of the limit gear 52, a threaded rod 2 55 is spirally connected in the limit block 56, a knob 54 is arranged at the top of the threaded rod 2 55, and the threaded rod 2 55 is spirally connected to the limit slot 53;

[0025] The top of the moving block 1 2 is rotatably connected with a rotating rod 23, on which a transmission gear 1 24 is arranged, the transmission gear 1 24 is meshed with the transmission gear 2 22, the transmission gear 22 is connected with the motor 1 21, and the fixture table 3 is fixedly arranged on the top of the rotating rod 23;

[0026] A motor 2 12 is provided at one end of the bracket 1, and the output end of the motor 2 12 is connected to the threaded rod 3 11. Sliding rods 13 are provided in parallel on both sides of the threaded rod 3 11. The sliding rod 13 and the threaded rod 3 11 pass through the bottom of the moving block 1 2. The threaded rod 3 11 is spirally connected to the moving block 2. A sensor 14 is provided on the bracket 1.

[0027] In this solution, when an object needs to be processed, the object is placed on the fixture table 3, and the staff rotates the rotating shaft 51 to drive the threaded rod 61 to rotate, and the bevel gears 63 at one end of multiple threaded rods 61 are meshed with each other to realize that multiple threaded rods 61 rotate inside the fixture table 3 at the same time. When the threaded rod 61 rotates, the moving block 2 62 spirally connected to the threaded rod 61 drives the moving plate 41 to move along the moving groove 31, so that the clamping plate 43 can gradually approach the object and fit with the side of the object. During the fitting process of the clamping plate 43, the clamping plate 43 exerts pressure on the damping rod The damping rod 42 is squeezed so that the damping rod 42 can shrink, and the clamping plate 43 can clamp and fix the object. The clamping plate 43 can rotate at one end of the damping rod 42 so that the clamping plate 43 can fit the side of the object at different angles. The two clamping plates 43 on the same movable plate 41 are rotatably connected so that the connected clamping plates 43 can fully fit the object with uneven side shapes, which has higher applicability and can effectively prevent the object from being loosened during processing. The anti-slip layer 44 arranged on the clamping plate 43 can effectively increase the friction between the clamping plate 43 and the object, thereby making the clamping more stable.

[0028] After the clamping is completed, the rotating assembly 5 needs to be used to limit the threaded rod 1 61 to prevent the threaded rod 1 61 from rotating during the processing. The staff rotates the knob 54 to make the threaded rod 2 55 fixedly connected to the knob 54 rotate in the limiting groove 53. During the rotation of the threaded rod 2 55, the limiting block 56 spirally connected to the threaded rod 2 55 moves along the limiting groove 53, so that the toothed protrusion at the bottom of the limiting block 56 enters the tooth groove of the limiting gear 52, thereby limiting the limiting gear 52 and preventing the rotating shaft 51 from rotating, thereby preventing the threaded rod 1 61 from rotating.

[0029] The moving block 1 2 can move in the bracket 1, and the motor 2 12 controls the threaded rod 3 11 to rotate so that the moving block 1 2 spirally connected to the threaded rod 3 11 moves along the slide bar 13. During the movement, the sensor 14 detects the moving distance of the moving block 2 in real time. The sensor 14 is a laser rangefinder. The position of the moving block 2 in the bracket 1 is detected by the sensor 14 to control the moving block 2 to move to a suitable position.

[0030] In order to facilitate the processing of the object during the processing, the motor 1 21 is used to control the transmission gear 2 22 to rotate, and the transmission gear 2 22 is meshed with the transmission gear 1 24 to control the rotating rod 23 to drive the fixture table 3 to rotate, thereby expanding the object processing surface according to the processing needs and improving the object processing efficiency.

[0031] 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.

[0032] 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 CNC machine tool fixture with automatic positioning function, characterized in that: include: A bracket (1), wherein a moving block (2) is arranged inside the bracket (1), the top of the moving block (2) is rotatably connected to a clamping table (3), the top of the clamping table (3) is provided with a clamping component (4), and the inside of the clamping table (3) is provided with a control component (6).

2. The CNC machine tool fixing fixture with automatic positioning function according to claim 1, characterized in that: The clamping assembly (4) comprises a movable plate (41), both ends of one side of the movable plate (41) are fixedly connected to damping rods (42), one end of the damping rod (42) is rotatably connected to a clamping plate (43), and one side of the clamping plate (43) is fixedly provided with an anti-slip layer (44).

3. The CNC machine tool fixing fixture with automatic positioning function according to claim 2, characterized in that: The control component (6) comprises a threaded rod (61), wherein the threaded rods (61) are arranged in a ring-shaped array inside the fixture table (3), and each of the threaded rods (61) is spirally connected to a moving block (62). A moving groove (31) is arranged in a ring-shaped array on the top of the fixture table (3), and the top of the moving block (62) passes through the moving groove (31) and is fixedly connected to the moving plate (41). One end of each of the threaded rods (61) is connected to a bevel gear (63), and the bevel gears (63) are meshed with each other. The other end of each of the threaded rods (61) is connected to a rotating component (5).

4. The CNC machine tool fixing fixture with automatic positioning function according to claim 3 is characterized in that: The rotating assembly (5) comprises a rotating shaft (51), the rotating shaft (51) being fixedly connected to a threaded rod (61), a limit gear (52) being fixedly arranged in the rotating shaft (51), a limit slot (53) being arranged above the rotating shaft (51), a limit block (56) being slidably connected in the limit slot (53), a toothed protrusion being arranged at the bottom of the limit block (56) corresponding to the tooth slot of the limit gear (52), a threaded rod (55) being spirally connected in the limit block (56), a knob (54) being arranged at the top end of the threaded rod (55), and the threaded rod (55) being spirally connected to the limit slot (53).

5. The CNC machine tool fixing fixture with automatic positioning function according to claim 1, characterized in that: The top of the moving block 1 (2) is rotatably connected to a rotating rod (23), and a transmission gear 1 (24) is provided on the rotating rod (23). The transmission gear 1 (24) is meshed with the transmission gear 2 (22), and the transmission gear 2 (22) is connected to the motor 1 (21). The fixture table (3) is fixedly arranged on the top of the rotating rod (23).

6. The CNC machine tool fixing fixture with automatic positioning function according to claim 1, characterized in that: A second motor (12) is provided at one end of the bracket (1), the output end of the second motor (12) is connected to a third threaded rod (11), sliding rods (13) are provided in parallel on both sides of the third threaded rod (11), the sliding rods (13) and the third threaded rod (11) pass through the bottom of the first moving block (2), the third threaded rod (11) is spirally connected to the first moving block (2), and a sensor (14) is provided on the bracket (1).

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