A tooling fixture for CNC machine tools

Abstract

The utility model relates to a fixture for numerical control machine tools, including a base, a driving part and two clamping parts. A cavity is provided in the base, one end of the driving part passes through the side of the base and is inserted into the cavity, a slide groove adapted to the driving part is provided on the upper surface of the base, and the two ends of the upper end of the driving part are respectively fixedly connected to the lower end of a clamping part; the clamping part includes a bottom plate, a plane clamping plate and a concave clamping plate, the two ends of the lower surface of the bottom plate are respectively fixedly connected to the upper end of the driving part, the upper surface of the bottom plate is detachably connected to the lower surface of the plane clamping plate, and the upper surface of the plane clamping plate is detachably connected to the lower surface of the concave clamping plate. By setting a detachably connected clamping part, it is convenient to realize the switching between plane clamping and concave clamping; at the same time, by setting a driving part, it is convenient to realize the driving of the two clamping parts, which is convenient to avoid the jamming of the fixture caused by more transmission mechanisms, and further convenient to improve the practicality and creativity of the device.

Description

Technical Field

[0001] The utility model relates to the technical field of numerically controlled machine tools, in particular to a fixture for numerically controlled machine tools. Background Art

[0002] CNC machine tool is the abbreviation of digital control machine tool, which 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, express them in coded numbers, input them into the CNC device through information carriers, and after calculation and processing, the CNC device sends various control signals to control the movement of the machine tool, and automatically process them according to the shape and size required by the drawing.

[0003] In the related technology, although it is possible to clamp the workpiece to be processed, the tooling and fixtures provided are relatively complex and have many parts, which leads to a high failure rate during use. In order to achieve the stability of the tooling and fixture during the construction of CNC machine tools, and further to ensure the processing efficiency and quality of CNC machine tools, the present application provides a tooling and fixture for CNC machine tools. Utility Model Content

[0004] In order to solve the above-mentioned problems in the background technology, the utility model provides a fixture for a CNC machine tool.

[0005] The utility model provides a fixture for a CNC machine tool, which adopts the following technical solution:

[0006] A tooling fixture for a CNC machine tool comprises a base, a driving part and two clamping parts, wherein a cavity is provided in the base, one end of the driving part passes through the side surface of the base and is inserted into the cavity, a slide groove matched with the driving part is provided on the upper surface of the base, and the two ends of the upper end of the driving part are respectively fixedly connected to the lower end of one of the clamping parts; the clamping part comprises a bottom plate, a planar clamping plate and a concave clamping plate, the two ends of the lower surface of the bottom plate are respectively fixedly connected to the upper end of the driving part, the upper surface of the bottom plate is detachably connected to the lower surface of the planar clamping plate, and the upper surface of the planar clamping plate is detachably connected to the lower surface of the concave clamping plate.

[0007] By adopting the above technical scheme, through the detachably connected bottom plate, plane clamping plate and concave clamping plate, the device can not only realize plane clamping, but also realize concave clamping. By installing the plane clamping plate, plane clamping of the workpiece to be processed can be realized; by installing the concave clamping plate, and the concave surfaces of the two concave clamping plates are arranged opposite to each other, concave clamping of the workpiece to be processed can be realized, which is beneficial to improve the practicality and creativity of the device.

[0008] Preferably, the upper surface of the planar clamping plate is provided with a plurality of first placement grooves for placing first fastening bolts, and the upper surface of the base plate is provided with first threaded holes compatible with the plurality of first placement grooves, the lower end of the first fastening bolt passes through the planar clamping plate and is threadedly connected to the first threaded hole, and the upper end of the first fastening bolt is located in the first placement groove.

[0009] The adoption of the above technical solution is conducive to the manufacture of the device, thereby improving the practicability of the device and ensuring the installation between the planar clamping plate and the base plate; thereby improving the clamping of the workpiece by the device.

[0010] Preferably, the first placement grooves are distributed in a centrally symmetrical manner with respect to the center of the upper surface of the planar clamping plate.

[0011] By adopting the above technical solution, it is helpful to adjust the installation direction of the planar clamping plate, facilitate the installation and disassembly of the planar clamping plate, facilitate the operation of the staff, and help to ensure the clamping effect of the workpiece to be processed.

[0012] Preferably, the upper surface of the concave clamping plate is provided with a plurality of second placement grooves for placing second fastening bolts, and the upper surface of the planar clamping plate is provided with a plurality of second threaded holes adapted to the second placement grooves, the lower end of the second metal bolt passes through the concave clamping plate and is threadedly connected to the second threaded hole, and the upper end of the second fastening bolt is located in the second placement groove.

[0013] By adopting the above technical scheme, it is beneficial to manufacture the device, thereby improving the practicality and creativity of the device, and realizing the concave clamping of the workpiece to be processed, facilitating the processing of the workpiece by CNC machine tools, and ensuring the processing quality and efficiency.

[0014] Preferably, the second placement grooves are distributed in a centrally symmetrical manner with respect to the center of the upper surface of the planar clamping plate.

[0015] By adopting the above technical solution, it is helpful to adjust the installation direction of the concave clamping plate, thereby facilitating the switching of the clamping state of the device provided by the present application, and further facilitating the planar clamping and concave clamping of the workpiece by the device.

[0016] Preferably, the driving part includes a driving motor, a two-way threaded rod, two sliding rods, two fixing plates and at least four fixing blocks, the body of the driving motor is fixedly connected to the side surface of the base, the output end of the driving motor passes through the side surface of the base and is coaxially fixedly connected to one end of the two-way threaded rod, and the other end of the two-way threaded rod is rotatably connected to the side of the cavity; the axis of the sliding rod is parallel to the axis of the two-way threaded rod, and the two sliding rods are respectively located on both sides of the two-way threaded rod and fixedly connected to the base; one fixing plate is sleeved on one end of the two sliding rods and threadedly connected to one end of the two-way threaded rods, and the other fixing plate is sleeved on the other end of the two sliding rods and threadedly connected to the other end of the two-way threaded rods; the fixing block is located in the slide groove, and the lower surface of the fixing block is fixedly connected to one end of the upper surface of the fixing plate, and the upper surface of the fixing block is fixedly connected to one end of the lower surface of the bottom plate.

[0017] By adopting the above technical solution, the driving motor is started, and the driving motor drives the bidirectional threaded rod to rotate, so that the two fixing plates move relative to each other or move the two fixing plates away from each other, that is, the fixing plate drives the fixing block to move, and the fixing block drives the bottom plate of the clamping part to move.

[0018] Preferably, the side surface of the planar clamping plate is fixedly connected to the first protective pad.

[0019] By adopting the above-mentioned technical scheme, it is helpful to improve the clamping effect of the device, realize the planar clamping of the workpiece to be processed, and avoid clamping the workpiece to be processed. At the same time, by setting the first protective pad, it is helpful to increase the friction between the planar clamping plate and the workpiece to be processed, which is beneficial to ensure the stability of the device in the clamping state, which is beneficial to ensure the processing of the workpiece to be processed by the device, and is beneficial to ensure the processing quality and processing efficiency.

[0020] Preferably, the concave surface of the concave clamping plate is fixedly connected to the second protective pad, and the plane opposite to the concave surface of the concave clamping plate is fixedly connected to the third protective pad.

[0021] By adopting the above technical solution, it is helpful to ensure the stability of the device in the concave clamping state. At the same time, the third protective pad is also provided to widen the plane clamping area of ​​the device, so that the device can ensure stability in plane clamping and concave clamping.

[0022] In summary, the utility model has the following beneficial technical effects:

[0023] The innovation of the utility model lies in that: by providing the detachably connected clamping part, it is helpful for the device to switch between plane clamping and concave clamping, which is beneficial to broaden the application scenarios of the device and improve the practicality of the device; at the same time, by providing the driving part, it is beneficial to drive the two clamping parts, which is beneficial to avoid the jamming of the tooling fixture caused by more transmission mechanisms, which is beneficial to improve the practicality and creativity of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model;

[0025] Figure 2 It is a structural schematic diagram of another perspective of an embodiment of the utility model;

[0026] Figure 3 It is a structural schematic diagram of the base and the driving part of an embodiment of the utility model;

[0027] Figure 4 It is a schematic diagram of the internal structure of the base of an embodiment of the utility model;

[0028] Figure 5 This is a structural exploded view of the clamping portion of an embodiment of the utility model;

[0029] Figure 6 It is a structural schematic diagram of another state of an embodiment of the utility model.

[0030] Explanation of the accompanying drawings: 1. base; 11. cavity; 12. slide groove; 2. driving part; 21. driving motor; 22. bidirectional threaded rod; 23. slide rod; 24. fixing plate; 25. fixing block; 3. clamping part; 31. bottom plate; 32. plane clamping plate; 33. first fastening bolt; 34. concave clamping plate; 35. second fastening bolt; 36. first protective pad; 37. second protective pad; 38. third protective pad. DETAILED DESCRIPTION

[0031] 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.

[0032] The following is combined with Figure 1-6 The utility model is described in further detail.

[0033] A fixture for a numerically controlled machine tool, comprising a base 1, a driving part 2 and two clamping parts 3, wherein a cavity 11 is provided in the base 1, one end of the driving part 2 passes through the side of the base 1 and is inserted into the cavity 11, a slide groove 12 adapted to the driving part 2 is provided on the upper surface of the base 1, and the two ends of the upper end of the driving part 2 are respectively fixedly connected to the lower end of one of the clamping parts 3; the clamping part 3 comprises a bottom plate 31, a flat clamping plate 32 and a concave clamping plate 34, the two ends of the lower surface of the bottom plate 31 are respectively fixedly connected to the upper end of the driving part 2, and the upper surface of the bottom plate 31 is fixedly connected to the lower end of the clamping part 3. The lower surface of the planar clamping plate 32 is detachably connected, and the upper surface of the planar clamping plate 32 is detachably connected to the lower surface of the concave clamping plate 34. Through the detachably connected bottom plate 31, the planar clamping plate 32 and the concave clamping plate 34, the device can not only realize planar clamping, but also concave clamping. By installing the planar clamping plate 32, planar clamping of the workpiece to be processed can be realized; by installing the concave clamping plate 34, and the concave surfaces of the two concave clamping plates 34 are arranged relatively to each other, concave clamping of the workpiece to be processed can be realized, which is beneficial to improve the practicability and creativity of the device.

[0034] Preferably, the upper surface of the planar clamping plate 32 is provided with a plurality of first placement grooves for placing the first fastening bolts 33, and the upper surface of the base plate 31 is provided with first threaded holes compatible with the plurality of first placement grooves. The lower end of the first fastening bolt 33 passes through the planar clamping plate 32 and is threadedly connected to the first threaded hole, and the upper end of the first fastening bolt 33 is located in the first placement groove, which is conducive to the manufacture of the device, and further helps to improve the practicability of the device, and helps to ensure the installation between the planar clamping plate 32 and the base plate 31; and further helps to improve the clamping of the device on the workpiece to be processed.

[0035] Preferably, the first placement groove is centrally symmetrically distributed about the center of the upper surface of the planar clamping plate 32, which is conducive to adjusting the installation direction of the planar clamping plate 32, facilitating the installation and disassembly of the planar clamping plate 32, facilitating the operation of the staff, and ensuring the clamping effect of the workpiece to be processed.

[0036] Preferably, the upper surface of the concave clamping plate 34 is provided with a plurality of second placement grooves for placing the second fastening bolts 35, and the upper surface of the planar clamping plate 32 is provided with a plurality of second threaded holes compatible with the second placement grooves. The lower end of the second metal bolt passes through the concave clamping plate 34 and is threadedly connected to the second threaded hole, and the upper end of the second fastening bolt 35 is located in the second placement groove, which is conducive to the manufacture of the device, and further conducive to improving the practicality and creativity of the device, as well as conducive to achieving concave clamping of the workpiece to be processed, facilitating the processing of the workpiece to be processed by a CNC machine tool, and conducive to ensuring the processing quality and efficiency.

[0037] Preferably, the second placement groove is centrally symmetrically distributed about the center of the upper surface of the planar clamping plate 32, which is conducive to adjusting the installation direction of the concave clamping plate 34, thereby facilitating the switching of the clamping state of the device provided in the present application, and further facilitating the planar clamping and concave clamping of the workpiece to be processed by the device.

[0038] Preferably, the driving unit 2 includes a driving motor 21, a bidirectional threaded rod 22, two sliding rods 23, two fixing plates 24 and at least four fixing blocks 25, the body of the driving motor 21 is fixedly connected to the side of the base 1, the output end of the driving motor 21 passes through the side of the base 1 and is coaxially fixedly connected to one end of the bidirectional threaded rod 22, and the other end of the bidirectional threaded rod 22 is rotatably connected to the side of the cavity 11; the axis of the sliding rod 23 is parallel to the axis of the bidirectional threaded rod 22, and the two sliding rods 23 are respectively located on both sides of the bidirectional threaded rod 22 and fixedly connected to the base 1; one fixing plate 24 is sleeved on one end of the two sliding rods 23 and is screwed with one end of the bidirectional threaded rod 22 The other fixing plate 24 is sleeved on the other end of the two sliding rods 23 and is threadedly connected with the other end of the two-way threaded rod 22; the fixing block 25 is located in the slide groove 12, the lower surface of the fixing block 25 is fixedly connected with one end of the upper surface of the fixing plate 24, and the upper surface of the fixing block 25 is fixedly connected with one end of the lower surface of the bottom plate 31, the driving motor 21 is started, and the driving motor 21 drives the two-way threaded rod 22 to rotate, so that the two fixing plates 24 move relative to each other or move the two fixing plates 24 away from each other, that is, the fixing plate 24 drives the fixing block 25 to move, and the fixing block 25 drives the bottom plate 31 of the clamping part 3 to move,

[0039] Preferably, the side of the planar clamping plate 32 is fixedly connected to the first protective pad 36, which is beneficial to improving the clamping effect of the device, achieving planar clamping of the workpiece to be processed while avoiding clamping of the workpiece to be processed. At the same time, by providing the first protective pad 36, it is beneficial to increase the friction between the planar clamping plate 32 and the workpiece to be processed, which is beneficial to ensuring the stability of the device in the clamping state, which is beneficial to ensuring the processing of the workpiece to be processed by the device, and is beneficial to ensuring the processing quality and efficiency.

[0040] Preferably, the concave surface of the concave clamping plate 34 is fixedly connected to the second protective pad 37, and the plane opposite to the concave surface of the concave clamping plate 34 is fixedly connected to the third protective pad 38, which is beneficial to ensure the stability of the device in the concave clamping state. At the same time, the third protective pad 38 is also provided to widen the plane clamping area of ​​the device, so that the device can ensure stability in plane clamping and concave clamping.

[0041] The implementation principle of a tooling fixture for a CNC machine tool in an embodiment of the utility model is as follows: if concave clamping is required, the concave surfaces of the two concave clamping plates are arranged relative to each other, and the drive motor is started so that the drive motor drives the bidirectional threaded rod, and the bidirectional threaded rod rotates so that the two fixed plates are arranged relative to each other, and the fixed plate drives the two bottom plates to move relative to each other through the fixed block, and the bottom plate drives the plane clamping plate and the concave clamping plate to move, so as to achieve concave clamping of the workpiece to be processed; if plane clamping is required, the staff rotates the direction of the concave clamping part by 180°, at which time the side surface of the concave clamping plate opposite to the concave surface is flush with the plane clamping plate, and the drive motor is started, and the above operation is repeated to achieve plane clamping of the part to be clamped; after the processing of the workpiece is completed, the drive motor is started so that the drive motor is reversed, and the two fixed plates can move away from each other.

[0042] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0043] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0044] The above are all preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model. Therefore, any equivalent changes made based on the structure, shape, and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A fixture for a CNC machine tool, characterized in that: The invention comprises a base (1), a driving part (2) and two clamping parts (3); a cavity (11) is provided in the base (1); one end of the driving part (2) passes through the side surface of the base (1) and is inserted into the cavity (11); a sliding groove (12) adapted to the driving part (2) is provided on the upper surface of the base (1); the two ends of the upper end of the driving part (2) are respectively fixedly connected to the lower end of one of the clamping parts (3); the clamping part (3) comprises a bottom plate (31), a plane clamping plate (32) and a concave clamping plate (34); the two ends of the lower surface of the bottom plate (31) are respectively fixedly connected to the upper end of the driving part (2); the upper surface of the bottom plate (31) is detachably connected to the lower surface of the plane clamping plate (32); and the upper surface of the plane clamping plate (32) is detachably connected to the lower surface of the concave clamping plate (34).

2. A fixture for a CNC machine tool according to claim 1, characterized in that: The upper surface of the planar clamping plate (32) is provided with a plurality of first placement grooves for placing first fastening bolts (33) at intervals, and the upper surface of the base plate (31) is provided with first threaded holes adapted to the plurality of first placement grooves, the lower end of the first fastening bolt (33) passes through the planar clamping plate (32) and is threadedly connected to the first threaded hole, and the upper end of the first fastening bolt (33) is located in the first placement groove.

3. A fixture for a CNC machine tool according to claim 2, characterized in that: The first placement grooves are centrally symmetrically distributed about the center of the upper surface of the planar clamping plate (32).

4. A fixture for a CNC machine tool according to claim 3, characterized in that: The upper surface of the concave clamping plate (34) is provided with a plurality of second placement grooves for placing second fastening bolts (35) at intervals, and the upper surface of the planar clamping plate (32) is provided with a plurality of second threaded holes adapted to the second placement grooves, the lower end of the second fastening bolt passes through the concave clamping plate (34) and is threadedly connected to the second threaded hole, and the upper end of the second fastening bolt (35) is located in the second placement groove.

5. A fixture for a CNC machine tool according to claim 4, characterized in that: The second placement grooves are distributed in a centrally symmetrical manner with respect to the center of the upper surface of the planar clamping plate (32).

6. A fixture for a CNC machine tool according to claim 1, characterized in that: The driving part (2) comprises a driving motor (21), a bidirectional threaded rod (22), two sliding rods (23), two fixing plates (24) and at least four fixing blocks (25); the body of the driving motor (21) is fixedly connected to the side of the base (1); the output end of the driving motor (21) passes through the side of the base (1) and is coaxially fixedly connected to one end of the bidirectional threaded rod (22); the other end of the bidirectional threaded rod (22) is rotatably connected to the side of the cavity (11); the axis of the sliding rod (23) is parallel to the axis of the bidirectional threaded rod (22); the two sliding rods (23) are respectively located at the sides of the bidirectional threaded rod (22); Both sides of the bidirectional threaded rod (22) are fixedly connected to the base (1); one of the fixing plates (24) is sleeved on one end of the two sliding rods (23) and is threadedly connected to one end of the bidirectional threaded rod (22); the other fixing plate (24) is sleeved on the other end of the two sliding rods (23) and is threadedly connected to the other end of the bidirectional threaded rod (22); the fixing block (25) is located in the slide groove (12); the lower surface of the fixing block (25) is fixedly connected to one end of the upper surface of the fixing plate (24); and the upper surface of the fixing block (25) is fixedly connected to one end of the lower surface of the bottom plate (31).

7. A fixture for a CNC machine tool according to claim 2, characterized in that: The side surface of the planar clamping plate (32) is fixedly connected to the first protection pad (36).

8. The fixture for a CNC machine tool according to claim 4, characterized in that: The concave surface of the concave clamping plate (34) is fixedly connected to a second protective pad (37), and the plane opposite to the concave surface of the concave clamping plate (34) is fixedly connected to a third protective pad (38).

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