Combined clamp of numerical control machining mechanism

By designing a combined CNC machining fixture, using structures such as mobile base, movable clamp column and hydraulic cylinder, the problem of overall replacement of the clamp integrated molding structure in the existing technology is solved, and the rapid and accurate positioning of the clamp and efficient clamping is achieved. , improves processing accuracy and efficiency, and reduces maintenance difficulty.

CN222176832UActive Publication Date: 2024-12-17GUANGZHOU WENKAI FURNITURE CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202420841644.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-23
Publication Date
2024-12-17
Estimated Expiration
2034-04-23

AI Technical Summary

Technical Problem

Most of the existing CNC machining fixtures are integrated into one-piece structures and need to be replaced as a whole after damage, which increases the difficulty of maintenance and the workload of operators.

Method used

A combined fixture is designed, including a moving base, movable clamp column, double-head hydraulic cylinder, movable column and assembly chuck. The clamp can be moved and adjusted through sliding slots, slots and fixed ears, increasing the stability of the clamp. and adaptability, and wear-resistant rubber anti-slip projections are provided on the surface of the assembly chuck to improve clamping effect.

Benefits of technology

It realizes the rapid and accurate positioning and clamping of the fixture, improves processing accuracy and efficiency, reduces the difficulty of maintenance, enhances the stability and reliability of the fixture, and reduces the workload of replacement and maintenance.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222176832U_ABST
    Figure CN222176832U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of data processing accessories, in particular to a combined clamp of a numerical control processing mechanism, which comprises a movable base, two groups of movable clamping columns are mounted at the top of the movable base, and an assembly chuck is mounted on each group of movable clamping columns; a double-head hydraulic cylinder is installed in the middle in the movable base, movable columns are installed at the ends of two sets of piston rods of the double-head hydraulic cylinder, the bottoms of the two sets of movable clamping columns are connected to the tops of the movable columns respectively, and sliding grooves with the sections matched with the movable columns in size and in sliding fit with the movable columns are formed in the top face of the movable base. The double-end hydraulic cylinder is installed in the middle of the interior of the movable base, the movable columns at the ends of the two sets of piston rods are convenient to assemble with the movable clamping columns, the stability and reliability of the clamp in the clamping process are guaranteed, the fixing lugs symmetrically arranged on the two sides of the movable clamping columns connect the assembling chuck through the fixing bolts, and therefore the clamping efficiency is improved. And assembly or disassembly is convenient, and the workpiece clamping effect and the machining precision are improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of data processing accessories, in particular to a combined clamp of a numerical control processing mechanism. Background Art

[0002] CNC machining fixtures are devices used to fix and position workpieces in CNC machining. They are important tools to ensure machining accuracy and improve production efficiency. CNC machining fixtures usually use structures such as chucks and clamping arms to clamp or clamp the workpiece to achieve positioning. However, these CNC machining fixtures may have some problems. Most of the fixtures are one-piece structures. After the fixture is damaged, it needs to be replaced as a whole, which increases the difficulty of maintenance and the workload of operators. Utility Model Content

[0003] The purpose of the utility model is to provide a combined clamp for a CNC machining mechanism to solve the problem in the above background technology that most of the existing clamps are of one-piece structure and need to be replaced as a whole after the clamp is damaged, which increases the difficulty of maintenance and the workload of operators.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A combined clamp of a numerical control machining mechanism comprises a movable base, two groups of movable clamping columns are installed on the top of the movable base, and an assembly clamping plate is installed on each group of movable clamping columns;

[0006] A double-headed hydraulic cylinder is installed in the middle of the mobile base, and movable columns are installed at the ends of the two groups of piston rods of the double-headed hydraulic cylinder. The bottoms of the two groups of movable clamping columns are respectively connected to the tops of the movable columns. The top surface of the mobile base is provided with a sliding groove whose cross section is adapted to the cross section size of the movable column and is slidably matched;

[0007] The bottom of the movable clamping column is provided with an assembly slot which is adapted to the cross-sectional size of the movable column and the two are plugged and matched;

[0008] The two sides of the movable clamping column are symmetrically provided with fixing ears for fixing the assembly clamping disc, and the fixing ears are connected to the assembly clamping disc through fixing bolts.

[0009] Preferably, a sliding base is connected to the bottom of the movable column, and an inverted T-shaped connection is formed between the sliding base and the movable column.

[0010] Preferably, movable wheels are installed at the four top corners of the bottom of the movable base.

[0011] Preferably, each group of the movable clamping columns and the movable columns are connected by at least two groups of locking bolts.

[0012] Preferably, the depth of the assembly slot is 5-10 cm.

[0013] Preferably, a plurality of anti-slip protrusions arranged evenly and equidistantly are provided on the surface of the assembly chuck.

[0014] Preferably, the anti-slip protrusion is made of wear-resistant rubber material, and the height of the protrusion is 3-5 mm.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. In the combined clamp of the CNC machining mechanism, the movable base and movable clamping column are provided, so that the clamp has the functions of movement and adjustment, can quickly and accurately position and clamp the workpiece, and improve the machining accuracy and efficiency. The double-headed hydraulic cylinder installed in the middle of the movable base and the movable columns at the ends of the two groups of piston rods are convenient for assembly with the movable clamping columns, providing a stable power source for the movable clamping columns, ensuring the stability and reliability of the clamp during the clamping process. The fixing ears symmetrically arranged on both sides of the movable clamping columns connect the assembly chuck by fixing bolts, ensuring the fixed position and stability of the assembly chuck in the clamp, and improving the clamping effect and machining accuracy of the workpiece.

[0017] 2. In the combined clamp of the CNC machining mechanism, the bottom of the movable column is connected with a sliding base, and the sliding base and the movable column are connected in an inverted T-shape, which increases the stability of the movable clamping column on the movable base and allows it to slide back and forth along the sliding base within a certain range, thereby improving the adjustment range and adaptability of the clamp.

[0018] 3. In the combined clamp of the CNC machining mechanism, a number of evenly and equidistantly arranged anti-skid protrusions are provided on the surface of the assembly chuck. The anti-skid protrusions are made of wear-resistant rubber material. The anti-skid protrusions increase the friction between the assembly chuck and the workpiece, preventing the workpiece from slipping during the clamping process, thereby improving the clamping effect and stability of the clamp. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, further detailed explanation is provided, but the accompanying drawings do not constitute a limitation to the present invention.

[0020] Figure 1 It is a structural schematic diagram of the utility model;

[0021] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0022] Figure 3 It is a schematic diagram of the cross-sectional structure of the movable clamping column of the utility model.

[0023] The label of each structure in the figure:

[0024] 10. Mobile base; 11. Sliding groove; 12. Double-head hydraulic cylinder; 13. Piston rod; 14. Movable column; 15. Mobile wheel; 16. Sliding base;

[0025] 20. Movable clamping column; 21. Assembly slot; 22. Locking bolt;

[0026] 30. Assemble the chuck; 31. Fixing ear; 32. Fixing bolt; 33. Anti-slip protrusion. DETAILED DESCRIPTION

[0027] The following will combine the embodiments of the utility model and the drawings of the specification 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 of 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.

[0028] In the description of the present invention, it should be understood that the terms "center", "vertical", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating orientations or positional relationships are 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.

[0029] A modular fixture for a CNC machining mechanism, such as Figure 1-Figure 3As shown, it includes a mobile base 10, two groups of movable clamping columns 20 are installed on the top of the mobile base 10, and an assembly clamping plate 30 is installed on each group of movable clamping columns 20; a double-headed hydraulic cylinder 12 is installed in the middle of the mobile base 10, and movable columns 14 are installed at the ends of the two groups of piston rods 13 of the double-headed hydraulic cylinder 12, and the bottoms of the two groups of movable clamping columns 20 are respectively connected to the tops of the movable columns 14, and the top surface of the mobile base 10 is provided with a sliding groove 11 whose cross-section is adapted to the cross-sectional size of the movable column 14 and is slidably matched; the bottom of the movable clamping column 20 is provided with an assembly slot 21 that is adapted to the cross-sectional size of the movable column 14 and the two are plug-fitted; fixing ears 31 for fixing the assembly clamping plate 30 are symmetrically arranged on both sides of the movable clamping column 20, and the fixing ears 31 are fixed by fixing screws The bolt 32 is connected to the assembly chuck 30. The movable base 10 and the movable clamping column 20 are provided, so that the clamp has the functions of movement and adjustment, and can quickly and accurately position and clamp the workpiece, thereby improving the processing accuracy and efficiency. The double-headed hydraulic cylinder 12 installed in the middle of the movable base 10 and the movable columns 14 at the ends of the two groups of piston rods 13 are convenient for assembly with the movable clamping column 20, providing a stable power source for the movable clamping column 20, ensuring the stability and reliability of the clamp during the clamping process. The fixing ears 31 symmetrically arranged on both sides of the movable clamping column 20 connect the assembly chuck 30 through the fixing bolts 32, thereby ensuring the fixed position and stability of the assembly chuck 30 in the clamp, and improving the clamping effect and processing accuracy of the workpiece.

[0030] Furthermore, the bottom of the movable column 14 is connected to a sliding base 16, and the sliding base 16 and the movable column 14 are connected in an inverted T-shape, which increases the stability of the movable clamping column 20 on the mobile base 10 and allows it to slide back and forth along the sliding base 16 within a certain range, thereby improving the adjustment range and adaptability of the clamp.

[0031] Among them, moving wheels 15 are installed at the four top corners of the bottom of the moving base 10, so that the entire fixture can be flexibly moved to any position in the processing area, thereby improving the convenience and flexibility of processing.

[0032] Specifically, each set of movable clamping columns 20 is connected to the movable column 14 by at least two sets of locking bolts 22, which is convenient for installation or disassembly, ensuring a close fit and stable connection between the movable clamping columns 20 and the movable column 14, thereby improving the overall stability and reliability of the clamp. The depth of the assembly slot 21 is 5-10 cm, thereby ensuring the stable installation and positioning of the assembly chuck 30.

[0033] In addition, a number of anti-slip protrusions 33 are arranged evenly and equidistantly on the surface of the assembly chuck 30. The anti-slip protrusions 33 are made of wear-resistant rubber material, and the height of the protrusions is 3-5 mm. The anti-slip protrusions 33 increase the friction between the assembly chuck 30 and the workpiece, preventing the workpiece from slipping during the clamping process, thereby improving the clamping effect and stability of the clamp.

[0034] The working principle of the combined clamp of the CNC machining mechanism of the utility model is as follows: when in use, the operator ensures that the various components such as the mobile base 10, the movable clamping column 20, and the assembly clamping plate 30 are intact and meet the use requirements, installs the movable clamping column 20 on the movable column 14 on the mobile base 10, and fixes it through the locking bolt 22, connects the assembly clamping plate 30 to the fixing ear 31 of the movable clamping column 20 through the fixing bolt 32, ensures that the assembly clamping plate 30 is firmly installed and accurately positioned, starts the double-headed hydraulic cylinder 12, and drives the movable clamping column 20 to clamp the workpiece through the movable columns 14 at the ends of the two groups of piston rods 13. In this process, the double-headed hydraulic cylinder 12 provides a stable power source for the movable clamping column 20, ensuring stability and reliability during the clamping process.

[0035] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A modular fixture for a numerical control machining mechanism, comprising a movable base (10), Features: Two groups of movable clamping columns (20) are installed on the top of the movable base (10), and an assembly clamping plate (30) is installed on each group of movable clamping columns (20); A double-headed hydraulic cylinder (12) is installed in the middle of the movable base (10), and movable columns (14) are installed at the ends of the two groups of piston rods (13) of the double-headed hydraulic cylinder (12). The bottoms of the two groups of movable clamping columns (20) are respectively connected to the tops of the movable columns (14), and the top surface of the movable base (10) is provided with a sliding groove (11) whose cross-section is adapted to the cross-section size of the movable column (14) and is slidably matched; The bottom of the movable clamping column (20) is provided with an assembly slot (21) which matches the cross-sectional size of the movable column (14) and is plugged in with the movable column (14); Fixing ears (31) for fixing the assembly chuck (30) are symmetrically arranged on both sides of the movable clamping column (20), and the fixing ears (31) are connected to the assembly chuck (30) via fixing bolts (32).

2. The modular fixture of the CNC machining mechanism according to claim 1, Features: The bottom of the movable column (14) is connected to a sliding base (16), and the sliding base (16) and the movable column (14) are connected in an inverted T-shape.

3. The modular fixture of the CNC machining mechanism according to claim 1, Features: Moving wheels (15) are installed at the four top corners of the bottom of the moving base (10).

4. The modular fixture of the CNC machining mechanism according to claim 1, Features: Each group of the movable clamping columns (20) is connected to the movable column (14) via at least two groups of locking bolts (22).

5. The modular fixture of the CNC machining mechanism according to claim 1, Features: The depth of the assembly slot (21) is 5-10 cm.

6. The modular fixture of the CNC machining mechanism according to claim 1, Features: A plurality of anti-slip protrusions (33) arranged evenly and equidistantly are arranged on the surface of the assembly chuck (30).

7. The modular fixture of the CNC machining mechanism according to claim 6, Features: The anti-slip protrusion (33) is made of wear-resistant rubber material, and the height of the protrusion is 3-5 mm.