Tool clamp for numerical control machine tool

Abstract

The utility model discloses a tool clamp for a numerical control machine tool, and belongs to the field of industrial devices, the tool clamp comprises a base, four fixing mechanisms are arranged on the surface of the base, the four fixing mechanisms are symmetrically distributed on the surface of the base, a sleeve rod is fixedly connected to the bottom of the base, and a controller is arranged on one side of the sleeve rod; the controller is fixedly connected with the base, the sleeve rod is internally provided with a height adjusting mechanism, one side of the height adjusting mechanism is fixedly connected with a mounting bracket, a second motor, a rotating rod and a bevel gear are arranged, and the output end of the second motor rotates to drive the rotating rod to rotate; the rotating rod rotates to drive the bevel gear to rotate, the bevel gear rotates to drive the rotating disc to rotate, the rotating disc rotates to drive the clamping block to move, the problem that according to an existing tool clamp for the numerical control machine tool, a worker needs to manually rotate a rotating hand wheel, and consequently manpower resources are wasted is solved, and practicability is improved.

Description

Technical Field

[0001] The present application relates to the technical field of industrial devices, and in particular to a fixture for CNC machine tools. Background Art

[0002] The basic components of a CNC machine tool include the processing program carrier, CNC device, servo drive, machine body, and other auxiliary devices. The machine body includes mechanical components such as the bed, base, column, crossbeam, slide, worktable, spindle box, feed mechanism, tool holder, fixture, and automatic tool changer. The fixture secures the workpiece.

[0003] The patent with the published authorization announcement number CN218017199U discloses a utility model related to the technical field of CNC machine tool fixtures, and discloses a fixture for CNC machine tools, comprising a base plate, a concave plate welded to the upper surface of the base plate, a stabilizing plate welded to the inner wall of the concave plate, an adjusting plate rotatably connected to the inner surface of the stabilizing plate, and a limit ring fixedly mounted at the center of the outer surface of the adjusting plate. The fixture for CNC machine tools is provided with two sets of clamping plates, and the two sets of clamping plates are V-shaped, which increases the contact area between the clamping plates and the workpiece, makes the workpiece more firmly fixed, and facilitates subsequent CNC machine tool processing. The adjustment function of the device is realized by the mutual cooperation between the handwheel, the fixed plate, the worm, the worm gear, the adjusting plate, the limiting rod, the rotating plate, the connecting rod and the square rod, which facilitates the adjustment of the position of the clamping plates, so that the device can clamp workpieces of different sizes, thereby increasing the scope of application of the device, and the device is easy to operate and improves the work efficiency of the staff.

[0004] When the above device is implemented, the clamping plate is driven to move by rotating the rotary handwheel, and then the clamping plate clamps the workpiece. However, the existing CNC machine tool fixture requires the staff to manually rotate the rotary handwheel, resulting in a waste of human resources. Utility Model Content

[0005] In view of the deficiencies of the prior art, the present invention provides a fixture for a CNC machine tool, which overcomes the deficiencies of the prior art and aims to solve the problems in the background technology.

[0006] In order to achieve the above-mentioned purpose, the present application adopts the following technical solution: a tool fixture for CNC machine tools, comprising a base, the surface of the base is provided with four fixing mechanisms, the four fixing mechanisms are symmetrically distributed on the surface of the base, the bottom of the base is fixedly connected to a sleeve rod, one side of the sleeve rod is provided with a controller, the controller is fixedly connected to the base, a height adjustment mechanism is provided inside the sleeve rod, one side of the height adjustment mechanism is fixedly connected to a mounting bracket, the mounting bracket is provided with a clamping mechanism inside, one side of the clamping mechanism is provided with a driving mechanism, the driving mechanism includes a second motor, the second motor is fixedly connected to the mounting bracket, the output end of the second motor is fixedly connected to a rotating rod, the end of the rotating rod away from the second motor is fixedly connected to a bevel gear, a friction block is provided on one side of the clamping mechanism, and a connecting mechanism is provided between the friction block and the clamping mechanism.

[0007] As a preferred embodiment, the fixing mechanism includes a fixing block, which is fixedly connected to the base. Four fixing blocks are provided and are symmetrically distributed on the surface of the base. The internal threads of the fixing blocks are connected with bolts.

[0008] By adopting the above technical solution, the bolt is limited by the fixing block, the fixing block is fixed at the specified location by rotating the bolt, and the base is fixed by the fixing block, so that the base can be better fixed at the specified location.

[0009] As a preferred embodiment, the height adjustment mechanism includes a first motor, the first motor is fixedly connected to the sleeve rod, the output end of the first motor is fixedly connected to a threaded rod, the external thread of the threaded rod is connected to a moving rod, the moving rod is slidingly connected to the sleeve rod, the internal sliding connection of the moving rod is connected to two limit rods, the two limit rods are symmetrically distributed on both sides of the threaded rod, and the limit rod is fixedly connected to the sleeve rod.

[0010] By adopting the above technical solution, the output end of the first motor rotates to drive the threaded rod to rotate, and then the threaded rod rotates to make the moving rod move inside the sleeve rod, and then the limiting rod limits the moving rod, so that the height of the moving rod can be better adjusted.

[0011] As a preferred embodiment, the clamping mechanism includes a turntable, which is rotatably connected to the mounting bracket, a scroll block is fixedly connected to the surface of the turntable, a moving block is slidably connected to the inside of the scroll block, and the end of the moving block away from the scroll block is fixedly connected to the clamping block, the clamping block is slidably connected to the mounting bracket, and a tooth groove is provided on the side of the turntable away from the scroll block, and the tooth groove is meshed with the bevel gear.

[0012] By adopting the above technical solution, the turntable rotates to drive the scroll block to rotate, and the rotation of the scroll block causes the moving block to slide inside the scroll block, and the movement of the moving block drives the clamping block to move on the surface of the mounting bracket, and the clamping block clamps the workpiece, which can better clamp the workpiece.

[0013] As a preferred embodiment, a sliding groove is provided on the surface of the mounting bracket, and the sliding groove is adapted to the clamping block.

[0014] By adopting the above technical solution, a sliding groove is opened on the surface of the mounting bracket, the sliding groove is adapted to the clamping block, and the clamping block is then limited by the sliding groove, so that the clamping block can be better moved on the surface of the mounting bracket.

[0015] As a preferred embodiment, the connecting mechanism includes a first connecting block, the first connecting block is fixedly connected to the clamping block, the outside of the first connecting block is slidingly connected to the second connecting block, the second connecting block is fixedly connected to the friction block, the inside of the first connecting block is fixedly connected to a spring, one side of the spring is fixedly connected to a positioning block, and the positioning block is slidingly connected to the first connecting block.

[0016] By adopting the above technical solution, the clamping block and the friction block are connected by inserting the first connecting block on the surface of the clamping block into the second connecting block on the surface of the friction block, and then the positioning block is supported by the spring, and then the first connecting block is positioned by the positioning block, so that the clamping block and the friction block can be better connected.

[0017] As a preferred embodiment, a groove is provided on the surface of the first connecting block, and the groove is adapted to fit the positioning block.

[0018] By adopting the above technical solution, the groove is matched with the positioning block, the positioning block is pressed to make the positioning block enter the interior of the groove, and the friction block is pulled to release the connection between the clamping block and the friction block, so that the connection between the clamping block and the friction block can be better released.

[0019] As a preferred implementation, the controller is electrically connected to the first motor and the second motor.

[0020] By adopting the above technical solution, the controller is electrically connected to the first motor and the second motor, and the controller controls the switching of the first motor and the second motor, so that the switching of the first motor and the second motor can be better controlled.

[0021] Beneficial effects of this application:

[0022] 1. The fixture for a CNC machine tool is provided with a second motor, a rotating rod and a bevel gear. The output end of the second motor rotates to drive the rotating rod to rotate, and the rotating rod rotates to drive the bevel gear to rotate. The bevel gear rotates to drive the turntable to rotate, and the turntable rotates to drive the clamping block to move. This avoids the problem of a worker manually turning a rotating handwheel in an existing fixture for a CNC machine tool, which leads to a waste of human resources, and improves practicality.

[0023] 2. This fixture for CNC machine tools is equipped with a moving rod, a limiting rod, a threaded rod and a first motor. The output end of the first motor rotates to drive the threaded rod to rotate, and then the threaded rod rotates to move the moving rod inside the sleeve rod. The limiting rod limits the moving rod, and then the moving rod moves to adjust the height of the mounting bracket and the clamping block. This avoids the problem of the existing fixture for CNC machine tools that the mounting bracket and the clamping block cannot be adjusted in height, thereby improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the front structure of this application;

[0025] Figure 2 This is a schematic diagram of the height adjustment mechanism structure of this application;

[0026] Figure 3 A cross-sectional view of the mounting bracket structure of this application;

[0027] Figure 4 This is a structural diagram of the clamping mechanism of this application.

[0028] Numbers in the figure: 1. base; 2. fixing mechanism; 21. bolt; 22. fixing block; 3. height adjustment mechanism; 31. moving rod; 32. limiting rod; 33. threaded rod; 34. first motor; 4. driving mechanism; 41. second motor; 42. rotating rod; 43. bevel gear; 5. clamping mechanism; 51. turntable; 52. scroll block; 53. moving block; 54. clamping block; 6. connecting mechanism; 61. positioning block; 62. spring; 63. first connecting block; 64. second connecting block; 7. groove; 8. slide; 9. mounting bracket; 10. sleeve rod; 11. controller; 12. friction block. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments.

[0030] Reference Figure 1-Figure 4A tooling fixture for a CNC machine tool includes a base 1. Four fixing mechanisms 2 are provided on the surface of the base 1. The four fixing mechanisms 2 are symmetrically distributed on the surface of the base 1. The fixing mechanism 2 includes a fixing block 22. The fixing block 22 is fixedly connected to the base 1. There are four fixing blocks 22. The four fixing blocks 22 are symmetrically distributed on the surface of the base 1. The internal threads of the fixing blocks 22 are connected with bolts 21; the bolts 21 are limited by the fixing blocks 22, and the fixing blocks 22 are fixed at a designated location by rotating the bolts 21. The base 1 is then fixed by the fixing blocks 22, which can better fix the base 1 at the designated location.

[0031] Reference Figure 1-Figure 2 The bottom of the base 1 is fixedly connected with a sleeve rod 10, and a controller 11 is provided on one side of the sleeve rod 10. The controller 11 is fixedly connected to the base 1, and a height adjustment mechanism 3 is provided inside the sleeve rod 10, and a mounting bracket 9 is fixedly connected to the height adjustment mechanism 3. The height adjustment mechanism 3 includes a first motor 34, and the first motor 34 is fixedly connected to the sleeve rod 10. The output end of the first motor 34 is fixedly connected with a threaded rod 33, and the external threaded connection of the threaded rod 33 is connected with a moving rod 31. The moving rod 31 is slidably connected to the sleeve rod 10, and the internal sliding connection of the moving rod 31 is two limit rods 32, which are symmetrically distributed on both sides of the threaded rod 33, and the limit rod 32 is fixedly connected to the sleeve rod 10; the threaded rod 33 is driven to rotate by the output end of the first motor 34, and then the threaded rod 33 is rotated to make the moving rod 31 move inside the sleeve rod 10, and then the limit rod 32 limits the moving rod 31, so that the height of the moving rod 31 can be better adjusted.

[0032] Reference Figure 2-Figure 4 , a clamping mechanism 5 is provided inside the mounting bracket 9, and a driving mechanism 4 is provided on one side of the clamping mechanism 5. The driving mechanism 4 includes a second motor 41, the second motor 41 is fixedly connected to the mounting bracket 9, the output end of the second motor 41 is fixedly connected to a rotating rod 42, and the end of the rotating rod 42 away from the second motor 41 is fixedly connected to a bevel gear 43, the clamping mechanism 5 includes a turntable 51, the turntable 51 is rotatably connected to the mounting bracket 9, the surface of the turntable 51 is fixedly connected to a scroll block 52, and the interior of the scroll block 52 is slidably connected to a moving block 53, and the moving block 53 is fixedly connected to the rotating block 53. The end of the moving block 53 away from the volute block 52 is fixedly connected to the clamping block 54, and the clamping block 54 is slidably connected to the mounting bracket 9. A tooth groove is provided on the side of the turntable 51 away from the volute block 52, and the tooth groove is engaged with the bevel gear 43; the turntable 51 rotates to drive the volute block 52 to rotate, and then the volute block 52 rotates to make the moving block 53 slide inside the volute block 52, and then the moving block 53 moves to drive the clamping block 54 to move on the surface of the mounting bracket 9, and then the clamping block 54 clamps the workpiece, which can better clamp the workpiece.

[0033] Reference Figure 1-Figure 3A slide groove 8 is provided on the surface of the mounting bracket 9, and the slide groove 8 is adapted to the clamping block 54; a slide groove 8 is provided on the surface of the mounting bracket 9, and the slide groove 8 is adapted to the clamping block 54, and the clamping block 54 is limited by the slide groove 8, so that the clamping block 54 can be better moved on the surface of the mounting bracket 9.

[0034] Reference Figure 3-Figure 4 A friction block 12 is provided on one side of the clamping mechanism 5, and a connecting mechanism 6 is provided between the friction block 12 and the clamping mechanism 5, and the connecting mechanism 6 includes a first connecting block 63, the first connecting block 63 is fixedly connected to the clamping block 54, the outside of the first connecting block 63 is slidably connected to the second connecting block 64, the second connecting block 64 is fixedly connected to the friction block 12, the inside of the first connecting block 63 is fixedly connected to a spring 62, and one side of the spring 62 is fixedly connected to a positioning block 61, and the positioning block 61 is slidably connected to the first connecting block 63; the clamping block 54 and the friction block 12 are connected by inserting the first connecting block 63 on the surface of the clamping block 54 into the inside of the second connecting block 64 on the surface of the friction block 12, and then the positioning block 61 is supported by the spring 62, and then the first connecting block 63 is positioned by the positioning block 61, so that the clamping block 54 and the friction block 12 can be better connected.

[0035] Reference Figure 4 A groove 7 is provided on the surface of the first connecting block 63, and the groove 7 is matched with the positioning block 61; through the matching of the groove 7 and the positioning block 61, the positioning block 61 is pressed to make the positioning block 61 enter the interior of the groove 7, and then the friction block 12 is pulled to release the connection between the clamping block 54 and the friction block 12, which can better release the connection between the clamping block 54 and the friction block 12.

[0036] Reference Figure 1 , the controller 11 is electrically connected to the first motor 34 and the second motor 41; by electrically connecting the controller 11 to the first motor 34 and the second motor 41, and then controlling the switch of the first motor 34 and the second motor 41 by the controller 11, the switch of the first motor 34 and the second motor 41 can be better controlled.

[0037] Working principle: The bolt 21 is limited by the fixed block 22, and the fixed block 22 is fixed to the specified position by rotating the bolt 21, and the base 1 is fixed by the fixed block 22, and the output end of the first motor 34 rotates to drive the threaded rod 33 to rotate, and the threaded rod 33 rotates to make the moving rod 31 move inside the sleeve rod 10, and the limiting rod 32 limits the moving rod 31, and the output end of the second motor 41 rotates to drive the rotating rod 42 to rotate, and the rotating rod 42 rotates to drive the bevel gear 43 to rotate, and the bevel gear 43 rotates to drive The turntable 51 rotates, and the rotation of the turntable 51 drives the scroll block 52 to rotate, and the rotation of the scroll block 52 causes the moving block 53 to slide inside the scroll block 52, and the moving block 53 moves to drive the clamping block 54 to move on the surface of the mounting bracket 9, and the clamping block 54 clamps the workpiece, and then the first connecting block 63 on the surface of the clamping block 54 is inserted into the second connecting block 64 on the surface of the friction block 12 to connect the clamping block 54 and the friction block 12, and then the positioning block 61 is supported by the spring 62, and then the positioning block 61 positions the first connecting block 63.

[0038] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "two ends," "one end," "the other end," and the like, indicating positions or relationships, are based on the positions or relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0039] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "connected," etc., should be understood in a broad sense. For example, "connected" may refer to a fixed connection, a detachable connection, or an integral connection; it may refer to a mechanical connection or an electrical connection; it may refer to a direct connection or an indirect connection through an intermediate medium; it may refer to internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0040] The present invention has been described above with reference to specific embodiments. However, those skilled in the art should understand that these descriptions are merely illustrative and are not intended to limit the scope of protection of the present invention. Those skilled in the art may make various modifications and variations to the present invention based on the spirit and principles of the present invention, and such modifications and variations are also within the scope of the present invention.

Claims

1. A fixture for a CNC machine tool, comprising a base (1), characterized in that: The surface of the base (1) is provided with four fixing mechanisms (2), and the four fixing mechanisms (2) are symmetrically distributed on the surface of the base (1). The bottom of the base (1) is fixedly connected to a sleeve rod (10), and a controller (11) is provided on one side of the sleeve rod (10). The controller (11) is fixedly connected to the base (1). A height adjustment mechanism (3) is provided inside the sleeve rod (10), and a mounting bracket (9) is fixedly connected to one side of the height adjustment mechanism (3). A clamping mechanism (5) is provided inside the mounting bracket (9), and a driving mechanism (4) is provided on one side of the clamping mechanism (5). The driving mechanism (4) includes a second motor (41), and the second motor (41) is fixedly connected to the mounting bracket (9). The output end of the second motor (41) is fixedly connected to a rotating rod (42), and the end of the rotating rod (42) away from the second motor (41) is fixedly connected to a bevel gear (43). A friction block (12) is provided on one side of the clamping mechanism (5), and a connecting mechanism (6) is provided between the friction block (12) and the clamping mechanism (5).

2. A fixture for CNC machine tools according to claim 1, characterized in that: The fixing mechanism (2) comprises a fixing block (22), the fixing block (22) being fixedly connected to the base (1), four fixing blocks (22) being provided, the four fixing blocks (22) being symmetrically distributed on the surface of the base (1), and the internal threads of the fixing blocks (22) being connected to bolts (21).

3. A fixture for CNC machine tools according to claim 1, characterized in that: The height adjustment mechanism (3) comprises a first motor (34), the first motor (34) is fixedly connected to the sleeve rod (10), the output end of the first motor (34) is fixedly connected to a threaded rod (33), the outer thread of the threaded rod (33) is connected to a moving rod (31), the moving rod (31) is slidably connected to the sleeve rod (10), the inner part of the moving rod (31) is slidably connected to two limiting rods (32), the two limiting rods (32) are symmetrically distributed on both sides of the threaded rod (33), and the limiting rods (32) are fixedly connected to the sleeve rod (10).

4. A fixture for CNC machine tools according to claim 1, characterized in that: The clamping mechanism (5) includes a turntable (51), the turntable (51) is rotatably connected to the mounting bracket (9), a scroll block (52) is fixedly connected to the surface of the turntable (51), a moving block (53) is slidably connected inside the scroll block (52), a clamping block (54) is fixedly connected to one end of the moving block (53) away from the scroll block (52), the clamping block (54) is slidably connected to the mounting bracket (9), and a tooth groove is provided on the side of the turntable (51) away from the scroll block (52), and the tooth groove is meshed with the bevel gear (43).

5. A fixture for CNC machine tools according to claim 4, characterized in that: A sliding groove (8) is provided on the surface of the mounting bracket (9), and the sliding groove (8) is adapted to the clamping block (54).

6. A fixture for CNC machine tools according to claim 4, characterized in that: The connecting mechanism (6) comprises a first connecting block (63), the first connecting block (63) is fixedly connected to the clamping block (54), the outside of the first connecting block (63) is slidably connected to the second connecting block (64), the second connecting block (64) is fixedly connected to the friction block (12), the inside of the first connecting block (63) is fixedly connected to a spring (62), one side of the spring (62) is fixedly connected to a positioning block (61), and the positioning block (61) is slidably connected to the first connecting block (63).

7. A fixture for CNC machine tools according to claim 6, characterized in that: A groove (7) is provided on the surface of the first connecting block (63), and the groove (7) is adapted to fit the positioning block (61).

8. The fixture for a CNC machine tool according to claim 3, characterized in that: The controller (11) is electrically connected to the first motor (34) and the second motor (41).

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