Clamp for numerical control machine tool machining
By introducing a clamping and moving mechanism into the CNC machine tool fixture and utilizing the coordination of the motor and hydraulic rod, the problem of workpiece height adjustment and fixation is solved, the workpiece can be clamped quickly and firmly, and the processing stability and efficiency are improved.
Patent Information
- Application Number
- CN202422504443.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-16
- Publication Date
- 2025-09-26
- Estimated Expiration
- 2034-10-16
AI Technical Summary
Existing fixtures used in CNC machine tool processing cannot be adjusted according to the different heights of the workpiece, causing the workpiece to shake easily during processing and unable to be quickly fixed.
A fixture for CNC machine tools is designed, which includes a clamping mechanism and a moving mechanism. The first motor drives the gear to mesh and move the L-shaped plate to adjust the fixture spacing, and the hydraulic rod and clamping plate are used to quickly fix the workpiece.
It realizes rapid adjustment and stable clamping according to the height of the workpiece, ensures that the workpiece does not shake during processing, and improves the stability and efficiency of processing.
Smart Images

Figure CN223383089U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of CNC machine tool processing, and in particular to a fixture for CNC machine tool processing. Background Art
[0002] A CNC machine tool, short for digitally controlled machine tool, is an automated machine tool equipped with a program control system. This control system logically processes programs specified by control codes or other symbolic instructions, decodes them, and represents them as coded numbers, which are then input into the CNC device via an information carrier. After computational processing, the CNC device issues various control signals, controlling the machine's movements and automatically producing parts to the shape and size specified in the drawings.
[0003] The China Patent Network discloses a fixture for CNC machine tool processing, with publication number CN221516929U. The fixture comprises a base plate, on which a fixed clamping plate group is fixedly mounted. The fixed clamping plate group is symmetrically mounted with a gap in between. A baffle is provided at the top edge of the fixed clamping plate group, and the baffle is installed vertically. A sliding clamping plate is also provided on the top of the fixed clamping plate group. The sliding clamping plate has a V-shaped notch, a drive assembly is connected to the rear of the sliding clamping plate, and a limit assembly is also provided at the bottom of the sliding clamping plate. The fixture for CNC machine tool processing of the utility model can make the fixture more stable when cutting and drilling parts, avoiding damage to the bottom of the fixture when drilling completely through the hole.
[0004] This solution also has the following problems: the clamp cannot be adjusted according to the different heights of the workpiece, so the top cannot be quickly fixed during the process of clamping the two sides of the workpiece, making the top of the workpiece prone to shaking during production.
[0005] Therefore, in order to solve the above problems, the present application provides a fixture for CNC machine tool processing. Utility Model Content
[0006] The purpose of the present utility model is to provide a fixture for CNC machine tool processing to solve the problems raised in the above background technology.
[0007] To achieve the above-mentioned object, the present utility model provides the following technical solutions: a fixture for CNC machine tool processing, comprising a base, wherein a clamping mechanism and a moving mechanism are provided on the top surface of the base;
[0008] The clamping mechanism includes a supporting portion and a clamping portion, wherein the supporting portion is located on the side of the clamping portion;
[0009] The support portion includes a first support frame, the bottom surface of the base is fixedly connected to the top surface of the first support frame, two first motors are fixedly installed on the top surface of the first support frame, and the front ends of the output rods of the two first motors are fixedly sleeved with first gears;
[0010] The clamping portion includes two first support plates, the bottom surfaces of the two first support plates are fixedly connected to the top surface of the base, the sides of the two first support plates are respectively provided with T-shaped plates, the outer surfaces of the two T-shaped plates respectively penetrate the two first support plate sides and extend to the two first support plate sides, and the sides of the two T-shaped plates are fixedly provided with U-shaped plates.
[0011] Preferably, the movable mechanism includes two first L-shaped plates, the top surfaces of the two first L-shaped plates are fixedly connected to the bottom surfaces of the two T-shaped plates, the bottom surface of the base is provided with two first limiting grooves, the inner walls of the two first limiting grooves are respectively slidably provided with first sliders, and the bottom surfaces of the two first sliders are respectively fixedly connected to the top surfaces of the two first L-shaped plates.
[0012] Preferably, the outer surfaces of the two T-shaped plates are fixedly sleeved with a second L-shaped plate, the top surfaces of the two second L-shaped plates are respectively provided with a first hydraulic rod, the outer surfaces of the two first hydraulic rods are respectively fixed through the top surfaces of the two second L-shaped plates and extend to the interior of the two second L-shaped plates, and the lower end surfaces of the output rods of the two first hydraulic rods are fixedly provided with a first clamping plate.
[0013] Preferably, tooth plates are fixedly provided on the bottom surfaces of the two first L-shaped plates respectively, the side surfaces of the two tooth plates are respectively engaged with the side surfaces of the two first gears, and the bottom surfaces of the two U-shaped plates are respectively contacted with the top surface of the base.
[0014] Preferably, a second groove is formed through the inner side surfaces of the two U-shaped plates, a first support rod is fixedly provided on the inner walls of the two second grooves, and two third sliders are slidably sleeved on the outer surfaces of the two first support rods.
[0015] Preferably, the four sides of the third sliding blocks are fixedly provided with a second clamping plate, the bottom surfaces of the four second clamping plates are respectively provided in contact with the top surface of the base, the sides of the two U-shaped plates are respectively provided with a second hydraulic rod, the outer surfaces of the two second hydraulic rods are respectively fixed through the two sides of the U-shaped plates and extend to the inside of the two U-shaped plates, and the end surfaces of the output rods of the two second hydraulic rods are respectively fixedly connected to the sides of the two second clamping plates.
[0016] In summary, the present application has the following beneficial technical effects: the fixture for CNC machine tool processing, by providing a clamping mechanism, can achieve a rapid fixation effect according to the different heights of the workpiece during the processing process; by providing a first motor to drive the first gear to engage with the toothed plate, so that the toothed plate synchronously moves the first L-shaped plate, and the first L-shaped plate drives the T-shaped plate and the U-shaped plate to move, so that the fixture spacing can be quickly adjusted for workpieces of different sizes;
[0017] By setting up a moving mechanism, the clamping device is moved according to the position of the workpiece, so that the workpiece is fixed and processed; by moving the U-shaped plate and the second L-shaped plate at the same time, the second L-shaped plate drives the first hydraulic rod to move, and the first hydraulic rod is started to move the first clamping plate, so as to quickly clamp the top surface of the workpiece, and by setting up the second hydraulic rod to drive the second clamping plate to move relatively, the two sides of the workpiece are fixed, which facilitates the processing and production of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a three-dimensional side sectional view of the structure of the utility model;
[0019] Figure 2 This is a three-dimensional top sectional view of the structure of the utility model;
[0020] Figure 3 This is a three-dimensional bottom view of the structure of the utility model;
[0021] Figure 4 This is a three-dimensional front sectional view of the structure of the utility model;
[0022] Figure 5 It is a three-dimensional top view of the structure of the utility model.
[0023] Explanation of the accompanying drawings: base 1, clamping mechanism 2, first support frame 201, first motor 202, first gear 203, first support plate 204, T-shaped plate 205, U-shaped plate 206, moving mechanism 3, first L-shaped plate 301, second L-shaped plate 302, first hydraulic rod 303, first clamping plate 304, tooth plate 305, first support rod 306, second clamping plate 307, second hydraulic rod 308. DETAILED DESCRIPTION
[0024] The following is combined with Figure 1 - Figure 5 This application is described in further detail.
[0025] Example 1:
[0026] A fixture for CNC machine tools, see Figure 1-Figure 5 , the utility model provides a technical solution: a fixture for CNC machine tool processing, comprising a base 1, the top surface of the base 1 is provided with a clamping mechanism 2 and a moving mechanism 3;
[0027] The clamping mechanism 2 includes a supporting portion and a clamping portion, wherein the supporting portion is located on the side of the clamping portion;
[0028] The support portion includes a first support frame 201. The bottom surface of the base 1 is fixedly connected to the top surface of the first support frame 201. Two first motors 202 are fixedly installed on the top surface of the first support frame 201. The front ends of the output rods of the two first motors 202 are fixedly sleeved with first gears 203.
[0029] The clamping portion includes two first support plates 204, the bottom surfaces of the two first support plates 204 are fixedly connected to the top surface of the base 1, and T-shaped plates 205 are respectively provided on the sides of the two first support plates 204. The outer surfaces of the two T-shaped plates 205 respectively penetrate the sides of the two first support plates 204 and extend to the sides of the two first support plates 204, and U-shaped plates 206 are fixedly provided on the sides of the two T-shaped plates 205.
[0030] Furthermore, in this embodiment, by providing a clamping mechanism 2, a fast fixing effect is achieved according to the different heights of the workpiece during the processing of the workpiece; by providing a first motor 202 to drive the first gear 203 to engage with the tooth plate 305, so that the tooth plate 305 synchronously moves the first L-shaped plate 301, and the first L-shaped plate 301 drives the T-shaped plate 205 and the U-shaped plate 205 to move, so that the fixture spacing can be quickly adjusted for workpieces of different sizes;
[0031] Example 2
[0032] See also Figure 1-Figure 5 , and based on Example 1, further obtain:
[0033] The moving mechanism 3 includes two first L-shaped plates 301, the top surfaces of the two first L-shaped plates 301 are fixedly connected to the bottom surfaces of the two T-shaped plates 205, and two first limiting grooves are provided through the bottom surface of the base 1. The inner walls of the two first limiting grooves are respectively slidably provided with first sliders, and the bottom surfaces of the two first sliders are respectively fixedly connected to the top surfaces of the two first L-shaped plates 301.
[0034] Furthermore, in this embodiment, the outer surfaces of the two T-shaped plates 205 are fixedly sleeved with a second L-shaped plate 302, and the top surfaces of the two second L-shaped plates 302 are respectively provided with a first hydraulic rod 303. The outer surfaces of the two first hydraulic rods 303 are respectively fixed through the top surfaces of the two second L-shaped plates 302 and extend to the interior of the two second L-shaped plates 302, and the lower end surfaces of the output rods of the two first hydraulic rods 303 are fixedly provided with a first clamping plate 304.
[0035] Furthermore, in this embodiment, tooth plates 305 are fixedly provided on the bottom surfaces of the two first L-shaped plates 301 respectively. The side surfaces of the two tooth plates 305 are respectively engaged with the side surfaces of the two first gears 203. The bottom surfaces of the two U-shaped plates 206 are respectively provided in contact with the top surface of the base 1.
[0036] Furthermore, in this embodiment, second grooves are formed through the inner side surfaces of the two U-shaped plates 206 , and first support rods 306 are fixedly provided on the inner walls of the two second grooves respectively. Two third sliders are slidably sleeved on the outer surfaces of the two first support rods 306 .
[0037] Furthermore, in this embodiment, second clamping plates 307 are fixedly provided on the sides of the four third sliding blocks, and the bottom surfaces of the four second clamping plates 307 are respectively provided in contact with the top surface of the base 1. Second hydraulic rods 308 are respectively provided on the sides of the two U-shaped plates 206. The outer surfaces of the two second hydraulic rods 308 are respectively fixed through the sides of the two U-shaped plates 206 and extend to the inside of the two U-shaped plates 206. The output rod end surfaces of the two second hydraulic rods 308 are respectively fixedly connected to the sides of the two second clamping plates 307.
[0038] Furthermore, in this embodiment, a moving mechanism 3 is provided to move the clamping device according to the position of the workpiece, thereby fixing and processing the workpiece; by moving the U-shaped plate 205 and the second L-shaped plate 302 at the same time, the second L-shaped plate 302 drives the first hydraulic rod 303 to move, and the first hydraulic rod 303 is started to move the first clamping plate 304, thereby quickly clamping the top surface of the workpiece, and by providing the second hydraulic rod 308 to drive the second clamping plate 307 to move relatively, the two sides of the workpiece are fixed, which facilitates the processing and production of the workpiece.
[0039] During use, by setting the clamping mechanism 2, the first motor 202 is set to drive the first gear 203 to engage with the tooth plate 305, so that the tooth plate 305 synchronously moves the first L-shaped plate 301, so that the first L-shaped plate 301 drives the T-shaped plate 205 and the U-shaped plate 205 to move, and the fixture spacing is quickly adjusted for workpieces of different sizes; by setting the moving mechanism 3, the clamping device is moved according to the position of the workpiece, and the second L-shaped plate 302 is moved while moving the U-shaped plate 205, so that the second L-shaped plate 302 drives the first hydraulic rod 303 to move, and the first hydraulic rod 303 is started to move the first clamping plate 304, so as to quickly clamp the top surface of the workpiece, and the second hydraulic rod 308 is set to drive the second clamping plate 307 to move relatively, and the two sides of the workpiece are fixed, so as to process and produce the workpiece.
[0040] The above describes an exemplary implementation of a fixture for CNC machine tool processing provided by the present disclosure with reference to a preferred embodiment. However, it can be understood by those skilled in the art that, without departing from the concept of the present disclosure, various variations and modifications can be made to the above-mentioned specific embodiments, and various technical features and structures proposed in the present disclosure can be combined in various ways without exceeding the scope of protection of the present disclosure, which is determined by the appended claims.
Claims
1. A fixture for CNC machine tool processing, comprising a base (1), characterized in that: The top surface of the base (1) is provided with a clamping mechanism (2) and a moving mechanism (3); The clamping mechanism (2) comprises a supporting portion and a clamping portion, wherein the supporting portion is located on the side of the clamping portion; The support portion comprises a first support frame (201), the bottom surface of the base (1) is fixedly connected to the top surface of the first support frame (201), two first motors (202) are fixedly provided on the top surface of the first support frame (201), and the front ends of the output rods of the two first motors (202) are fixedly sleeved with first gears (203); The clamping portion comprises two first support plates (204), the bottom surfaces of the two first support plates (204) are fixedly connected to the top surface of the base (1), the sides of the two first support plates (204) are respectively provided with T-shaped plates (205), the outer surfaces of the two T-shaped plates (205) respectively penetrate the sides of the two first support plates (204) and extend to the sides of the two first support plates (204), and the sides of the two T-shaped plates (205) are fixedly provided with U-shaped plates (206).
2. The fixture for CNC machine tools according to claim 1, characterized in that: The moving mechanism (3) comprises two first L-shaped plates (301), the top surfaces of the two first L-shaped plates (301) are fixedly connected to the bottom surfaces of the two T-shaped plates (205), the bottom surface of the base (1) is provided with two first limiting grooves, the inner walls of the two first limiting grooves are respectively provided with first sliders, and the bottom surfaces of the two first sliders are respectively fixedly connected to the top surfaces of the two first L-shaped plates (301).
3. The fixture for CNC machine tool processing according to claim 2, characterized in that: The outer surfaces of the two T-shaped plates (205) are fixedly sleeved with a second L-shaped plate (302), the top surfaces of the two second L-shaped plates (302) are respectively provided with a first hydraulic rod (303), the outer surfaces of the two first hydraulic rods (303) are respectively fixedly penetrate the top surfaces of the two second L-shaped plates (302) and extend into the interior of the two second L-shaped plates (302), and the lower end surfaces of the output rods of the two first hydraulic rods (303) are fixedly provided with a first clamping plate (304).
4. The fixture for CNC machine tool processing according to claim 2, characterized in that: The bottom surfaces of the two first L-shaped plates (301) are respectively fixed with tooth plates (305), the side surfaces of the two tooth plates (305) are respectively meshed with the side surfaces of the two first gears (203), and the bottom surfaces of the two U-shaped plates (206) are respectively in contact with the top surface of the base (1).
5. The fixture for CNC machine tool processing according to claim 4, characterized in that: The inner side surfaces of the two U-shaped plates (206) are both provided with second grooves, the inner walls of the two second grooves are respectively fixed with first support rods (306), and the outer surfaces of the two first support rods (306) are both slidably sleeved with two third sliders.
6. The fixture for CNC machine tool processing according to claim 5, characterized in that: The sides of the four third sliding blocks are all fixedly provided with second clamping plates (307), the bottom surfaces of the four second clamping plates (307) are respectively provided in contact with the top surface of the base (1), the sides of the two U-shaped plates (206) are each provided with a second hydraulic rod (308), the outer surfaces of the two second hydraulic rods (308) are respectively fixed through the sides of the two U-shaped plates (206) and extend into the interior of the two U-shaped plates (206), and the output rod end surfaces of the two second hydraulic rods (308) are respectively fixedly connected to the sides of the two second clamping plates (307).
Citation Information
Patent Citations
Clamp for numerical control machine tool machining
CN221516929U