Tool clamp for numerical control machining
By designing a tooling fixture with a support base, gear plate, and gear system, the problems of unstable clamping and insufficient adaptability of traditional fixtures were solved, achieving stable workpiece clamping and multi-size adaptation, thus improving machining accuracy and efficiency.
Patent Information
- Application Number
- CN202520111667.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-17
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-01-17
AI Technical Summary
Traditional tooling fixtures have unstable clamping methods, which can cause workpieces to shift easily during processing, affecting accuracy. They also lack adaptability to workpieces of different shapes and sizes, requiring frequent fixture changes, which increases costs and reduces efficiency.
A tooling fixture including a support base, support shaft, gear plate, linkage gear, clamping block and teeth is designed. Through the cooperation of helical gear plate and stepped clamping block, stable clamping and multi-size adaptation of workpiece are achieved, and the automatic rotation and angle adjustment of workpiece are realized through rotating rod and gear system.
It improves the machining accuracy and stability of workpieces, enhances the versatility and automation of fixtures, reduces the frequency of clamping and adjustment, and improves machining efficiency.
Smart Images
Figure CN223903419U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to numerical control processing technical field, specifically is a tool fixture for numerical control processing. BACKGROUND
[0002] In the field of numerical control processing, the performance of tool fixtures has a crucial influence on workpiece processing quality and efficiency. With the increasing demand for high precision and multi-variety processing in modern manufacturing industry, traditional tool fixtures have been difficult to meet the requirements. The existing tool fixtures often have many problems when fixing workpieces, such as unstable clamping mode, which can easily cause displacement or rotation of the workpiece during processing, thereby affecting the processing precision. Moreover, many fixtures lack adaptability to workpieces of different shapes and sizes, and frequent replacement of fixtures is required when facing diversified processing tasks, which not only increases the processing cost but also reduces the production efficiency. SUMMARY
[0003] In order to overcome the above defects, the utility model provides a tool fixture for numerical control processing, which solves the problems of unstable clamping of workpieces by traditional tool fixtures, easy displacement of workpieces, affecting processing precision, lack of adaptability to workpieces of different shapes and sizes, and the need for frequent replacement of fixtures, thereby increasing cost and reducing efficiency.
[0004] To achieve the above purpose, the utility model provides the following technical scheme: a tool fixture for numerical control processing, comprising a support seat, a support shaft is rotatably connected to the center position of the inner bottom of the support seat, a support disc is fixedly connected to the end of the support shaft, a tooth plate is fixedly connected above the support disc, the tooth plate is designed in a spiral shape, a linkage gear is fixedly installed below the tooth plate, four slide grooves are formed in the end of the support seat, the four slide grooves are respectively directed to the four equal division points of the support seat, a clamping block is slidably connected in the slide groove, the number of clamping blocks is four, the directions of the four clamping blocks are opposite, the other side of the clamping block is designed in a stepped shape, a tooth is fixedly connected below the clamping block, the tooth is engaged with the tooth plate, a control motor is fixedly installed on one side of the support seat, a drive gear is fixedly installed on the output end of the control motor and penetrates one side of the support seat, and the drive gear is engaged with the linkage gear.
[0005] As a further scheme of the utility model: a support bracket is arranged below the support seat, the support bracket is designed in a U shape, and a bottom box is fixedly installed at the center position of the bottom of the support bracket.
[0006] As a further scheme of the utility model: a rotating rod is rotatably connected between the inner walls of the bottom box, the rotating rod is designed in a vertical shape, and a rotating disc is fixedly installed at one end of the rotating rod and penetrates the support bracket.
[0007] As a further scheme of the present utility model: the support seat is fixedly installed above the rotary disc, and a driven gear is fixedly installed on the outer wall of the rotary rod.
[0008] As a further scheme of the present utility model: an output motor is fixedly installed on one side of the bottom box, a driving gear is fixedly installed on the output end of the output motor, and the driving gear is engaged with the driven gear.
[0009] As a further scheme of the present utility model: four fixing bolts are arranged at the four corners of the support bracket respectively, and the four fixing bolts penetrate through the four corners of the support bracket.
[0010] Compared with the prior art, the present utility model has the beneficial effects that:
[0011] 1. The tool clamp for numerical control machining is characterized in that the support disc, the toothed plate, the linkage gear, the clamping blocks and the teeth are arranged, when the clamp is used, the workpiece to be machined is placed between the four clamping blocks, the motor is controlled to drive the gear to rotate, the gear drives the support shaft to rotate in the support seat through the linkage gear below the linkage gear, the support shaft drives the toothed plate to rotate through the support disc in the rotating process, the toothed plate continuously pushes the four clamping blocks to approach each other to clamp the workpiece to be machined through cooperation with the teeth in the rotating process, the four clamping blocks clamp the workpiece from four directions to ensure the stability of the workpiece, meanwhile, the workpiece can be sleeved on the outside of the four clamping blocks for some special workpiece, the four clamping blocks are controlled to expand outward through cooperation of the toothed plate and the teeth, the four clamping blocks are provided with four stepped designs on the side surfaces to provide multiple clamping options, the workpiece of large size can be in contact with the outer side of the steps and be fixed, and the workpiece of small size can be in contact with the inner side of the steps, so that the tool clamp can adapt to special workpieces of multiple sizes within a certain range and improve the universality of the clamp.
[0012] 2. The tool clamp for numerical control machining is characterized in that the rotary rod, the rotary disc, the driving gear and the driven gear are arranged, when the workpiece is clamped and fixed above the support seat, the output motor drives the driving gear to rotate, the driving gear drives the rotary rod to rotate through the driven gear due to the engagement between the driving gear and the driven gear, the rotary rod rotates in the bottom box and drives the support seat to rotate through the rotary disc at the end portion, and then drives the workpiece to be machined to rotate, so that the position of the workpiece is not repeatedly adjusted for clamping in the machining process, the practicability of the clamp is improved, and the work efficiency of workpiece machining is ensured. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a three-dimensional structural schematic view of the present utility model;
[0014] Figure 2 It is a sectional view of the support seat of the present utility model;
[0015] Figure 3 The utility model discloses a structure diagram that drive gear is engaged with linkage gear shows,
[0016] Figure 4 The utility model discloses a structure diagram that bottom box is connected with support support shows,
[0017] In the drawing: 1, support seat, 2, support shaft, 3, support disc, 4, toothed plate, 5, linkage gear, 6, sliding slot, 7, clamping block, 8, tooth, 9, control motor, 10, drive gear, 11, support support, 12, bottom box, 13, rotating rod, 14, rotating disc, 15, driven gear, 16, output motor, 17, driving gear, 18, fixed bolt. DETAILED DESCRIPTION
[0018] The technical scheme of the patent will be further explained in detail in combination with specific implementation manners.
[0019] As Figures 1-4 shown, the utility model provides a kind of technical scheme: a tooling fixture for numerical control machining, including support seat 1, the center position of the inner bottom of support seat 1 is rotatably connected with support shaft 2, the end of support shaft 2 is fixedly connected with support disc 3, the above of support disc 3 is fixedly connected with toothed plate 4, toothed plate 4 is spiral design, the below of toothed plate 4 is fixedly installed with linkage gear 5, the end of support seat 1 is provided with four sliding slots 6, four sliding slots 6 are respectively towards the four equal division points of support seat 1, sliding slot 6 is slidably connected with clamping block 7, the number of clamping block 7 is four, the direction of four clamping blocks 7 is opposite, by the cooperation of four clamping blocks 7, four direction opposite clamping blocks 7 can be surrounded from four sides under the cooperation of toothed plate 4 and tooth 8 Clamping workpiece, so that workpiece can be firmly fixed, prevent workpiece from displacement or rotation in numerical control machining process, simultaneously, four clamping blocks 7 can also be adjusted according to the shape and size of workpiece, by sliding in sliding slot 6 to adapt to workpiece of different size, enhance the flexibility and applicability of tooling fixture;
[0020] The other side of the clamp block 7 is designed in a stepped manner, and the stepped design can sleeve part of the clamped workpiece on the outer wall of the four clamp blocks 7, for example, a hollow workpiece, which is sleeved on the outermost circle or the innermost circle of the stepped design of the clamp block 7 according to the size of the hollow of the workpiece, and the four clamp blocks 7 are expanded outward to clamp the workpiece from the center position of the workpiece, thereby improving the versatility of the tool clamp. The lower side of the clamp block 7 is fixedly connected with the gear teeth 8, the gear teeth 8 are engaged with the gear plate 4, and through the cooperation between the gear teeth 8 and the gear plate 4, the gear plate 4 rotates with the support disc 3, and under the action of the spiral gear plate 4, the four clamp blocks 7 are pushed forward and synchronously close through the cooperation with the gear teeth 8. The clamp block 7 can slide in the sliding groove 6 according to the predetermined trajectory, and the clamping or loosening operation of the workpiece is realized. This engagement mode can ensure the accuracy and synchronism of the movement of the clamp block 7, and improve the automation degree and operation precision of the tool clamp. One side of the support seat 1 is fixedly installed with a control motor 9, an output end of the control motor 9 penetrates through one side of the support seat 1 and is fixedly installed with a driving gear 10, and the driving gear 10 is engaged with the linkage gear 5.
[0021] A support bracket 11 is arranged below the support seat 1, the support bracket 11 is designed in a U shape, a bottom box 12 is fixedly installed at the center position of the bottom of the support bracket 11, four fixed bolts 18 are arranged at the four corners of the support bracket 11 respectively, and the four fixed bolts 18 penetrate through the four corners of the support bracket 11. Due to the fixed bolts 18, the support bracket 11 can be fixedly arranged at a specified position through the fixed bolts 18, so that the support bracket 11 is prevented from moving during machining, the stability of the whole tool clamp is ensured, and the machining precision is ensured.
[0022] A rotating rod 13 is rotatably connected between the inner walls of the bottom box 12, the rotating rod 13 is designed in a vertical manner, one end of the rotating rod 13 penetrates through the support bracket 11 and is fixedly installed with a rotating disc 14 at the end, the support seat 1 is fixedly installed above the rotating disc 14, an output motor 16 is fixedly installed on one side of the bottom box 12, a driving gear 17 is fixedly installed at the output end of the output motor 16, the driving gear 17 is engaged with a driven gear 15, the driven gear 15 is fixedly installed on the outer wall of the rotating rod 13, through the cooperation between the driving gear 17 and the driven gear 15, the driving gear 17 rotates to drive the driven gear 15 to rotate under the drive of the output motor 16, the driven gear 15 drives the rotating rod 13 to rotate, and the rotating rod 13 drives the support seat 1 to rotate through the rotating disc 14. The rotating of the support seat 1 can conveniently adjust the machining angle of the workpiece, without the need to re-adjust the clamping position of the workpiece, thereby improving the machining efficiency.
[0023] The utility model discloses a working principle is: when using the tool fixture, the fixture is fixed in the suitable position through four fixed bolts 18, and according to the selection of workpiece selects the suitable clamping mode, and the workpiece is placed between four clamping blocks 7 or is sleeved on the outer wall of four clamping blocks 7, and control motor 9 drives driving gear 10 to rotate, and driving gear 10 drives support shaft 2 and support disc 3 to rotate, and support disc 3 controls four clamping blocks 7 in sliding slot 6 through the cooperation of helical toothed plate 4 and gear teeth 8 and synchronously approaches each other or synchronously expands outward to clamp and fix workpiece, and after fixing, output motor 16 drives driving gear 17 to rotate, and driving gear 17 drives rotating lever 13 to rotate through driven gear 15, and rotating lever 13 drives support base 1 to rotate through the rotating disc 14 at its end, and then the processing angle of workpiece is adjusted through support base 1, and workpiece is processed, and the fixture is used.
[0024] In the description of the utility model, it is explained that, unless there is definite provision and limitation, the term "installation", "connection" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through intermediate medium, can be the communication of two elements inside. For ordinary skilled person in the art, the above-mentioned term can be understood in the specific meaning in the utility model through specific circumstances.
[0025] The above-mentioned preferred embodiment of the patent is described in detail, but the patent is not limited to the above-mentioned embodiment, and various changes can be made within the knowledge of ordinary skilled person in the art without departing from the purpose of the patent.
Claims
1. A tooling fixture for numerical control machining, comprising a support seat (1), characterized in that: The center position of the inner bottom of the support seat (1) is rotationally connected with a support shaft (2), the end of the support shaft (2) is fixedly connected with a support disc (3), the upper side of the support disc (3) is fixedly connected with a toothed plate (4), the toothed plate (4) is designed in a spiral manner, the lower side of the toothed plate (4) is fixedly installed with a linkage gear (5), the end of the support seat (1) is provided with four sliding grooves (6), the four sliding grooves (6) are respectively towards the four equal division points of the support seat (1), the sliding grooves (6) are slidably connected with clamping blocks (7), the number of the clamping blocks (7) is four, the directions of the four clamping blocks (7) are opposite, the other side of the clamping block (7) is designed in a stepped manner, the lower side of the clamping block (7) is fixedly connected with a tooth (8), the tooth (8) is engaged with the toothed plate (4), one side of the support seat (1) is fixedly installed with a control motor (9), the output end of the control motor (9) penetrates through one side of the support seat (1) and is fixedly installed with a drive gear (10), the drive gear (10) is engaged with the linkage gear (5).
2. The tool holder according to claim 1, wherein: The lower side of the support seat (1) is provided with a support bracket (11), the support bracket (11) is designed in a U shape and a bottom box (12) is fixedly installed at the center position of the bottom thereof.
3. The tool holder according to claim 2, wherein: The inner wall of the bottom box (12) is rotationally connected with a rotating rod (13), the rotating rod (13) is designed in a vertical manner, one end of the rotating rod (13) penetrates through the support bracket (11) and the end thereof is fixedly installed with a rotating disc (14).
4. The tool holder according to claim 3, wherein: The support seat (1) is fixedly installed above the rotating disc (14), the outer wall of the rotating rod (13) is fixedly installed with a driven gear (15).
5. The tool holder according to claim 4, wherein: One side of the bottom box (12) is fixedly installed with an output motor (16), the output end of the output motor (16) is fixedly installed with a driving gear (17), the driving gear (17) is engaged with the driven gear (15).
6. The tool holder according to claim 2, wherein: The four corners of the support bracket (11) are respectively provided with four fixed bolts (18), the four fixed bolts (18) penetrate through the four corners of the support bracket (11).