CNC numerical control machine tool machining clamp convenient to disassemble and replace

Abstract

The utility model relates to the technical field of clamps for numerical control machine tool machining, and discloses a CNC numerical control machine tool machining clamp convenient to disassemble and replace, which comprises a machine tool workbench, clamping tables are arranged at the top of the machine tool workbench, and four groups of fixing holes are formed in the top of the clamping tables and are respectively positioned at four corners. Through the arrangement of the movable sliding groove and the connecting rod, the movable plate can flexibly slide on the clamping table, workpieces of different sizes can be rapidly clamped and adjusted through driving of the air cylinder, the stability and accuracy of the clamping long plate in the moving process are ensured through cooperation with a clamping structure of a clamping hole and a clamping column, and the working efficiency is improved. And meanwhile, the stability of the clamping long plate is enhanced through the special-shaped Z-shaped fixing blocks and the fixing bolts, so that the clamping long plate is convenient to disassemble, assemble and maintain during disassembly and replacement, and the effects of improving the flexibility and adaptability of the clamp and facilitating disassembly are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to numerical control machine tool processing fixture technical field, specifically be a kind of CNC numerical control machine tool processing fixture of convenient dismounting replacement. BACKGROUND

[0002] Numerical control machine tool is the abbreviation of digital control machine tool, it is a kind of automatic machine tool equipped with program control system, the control system can logically process the program with control code or other symbolic instruction specification, and it is translated, is expressed by code number, is input numerical control device by information carrier, is processed by numerical control device and sends various control signals, controls machine tool action, according to the shape and size required by drawing, automatically processes part, numerical control machine tool solves the problem of complex, precision, small batch, multi-specification part processing, is a flexible, high-efficiency automatic machine tool, represents the development direction of modern machine tool control technology, is a typical mechatronics product.

[0003] In the field of CNC numerical control machine tool processing, fixture is the key component to ensure accurate positioning and stable clamping of workpiece. The clamping table of traditional fixture is usually fixedly connected with the machine tool workbench. This fixed connection mode is not only cumbersome to install and disassemble, but also makes it extremely inconvenient to replace the clamping table or clamping plate when different sizes or types of workpieces need to be processed, reducing the versatility and flexibility of the fixture. At the same time, when clamping the workpiece, the traditional fixture usually adopts a rigid clamping method, i.e. directly clamping the workpiece with clamping jaws or clamping blocks. Although this method can provide stable clamping force, it lacks adaptability to workpieces of different shapes and sizes. When the workpiece shape is complex or the size varies greatly, the traditional fixture may not provide enough clamping area or clamping points, resulting in unstable clamping or damage to the workpiece. Therefore, it is necessary to design a CNC numerical control machine tool processing fixture that is easy to disassemble and replace. SUMMARY

[0004] The utility model aims at providing a kind of CNC numerical control machine tool processing fixture that is easy to disassemble and replace, solves the technical problem that in traditional CNC numerical control machine tool processing fixture, clamping table is often fixedly connected with machine tool workbench, and the process of disassembly and replacement is cumbersome, and when clamping the workpiece, a fixed clamping method is used, lacking adaptability to workpieces of different shapes and sizes, limiting the processing range, achieves the purpose of facilitating disassembly and replacement of clamping table or clamping plate and improving the flexibility of clamping method.

[0005] To achieve the above object, the utility model provides following technical scheme: a CNC numerical control machine tool processing fixture convenient to disassemble and replace, including machine tool workstation, the top of machine tool workstation is provided with the clamping table, the top of clamping table is provided with fixed hole, and there are four groups, are located four corner places respectively, the top of machine tool workstation is provided with fixed thread hole, and fixed thread hole and fixed hole are suitable, the inside of fixed hole is provided with fixed bolt through screw connection, and fixed bolt extends to the inside of fixed thread hole, for fixing whole clamping table, install clamping assembly, install clamping assembly is arranged in the top of clamping table, install clamping assembly includes: install clamping site, install clamping site is arranged in the top of clamping table, reinforce clamping site, reinforce clamping site is arranged in the top of clamping table, and reinforce clamping site is arranged in the top of install clamping site.

[0006] Preferably, the installation clamping site includes: a moving chute, the moving chute is opened at the top of the clamping table, and two are a group, a total of two groups; a connecting rod is fixedly installed inside the moving chute, a connecting block is movably sleeved on the outer wall of the connecting rod, and the connecting block is slidably connected with the moving chute, a moving plate is fixedly installed on the top of the connecting block, a cylinder is arranged on one side of the moving plate, and the cylinder is fixedly installed on the top of the clamping table through a supporting block, a telescopic rod is fixedly connected to the connecting end of the cylinder, and the telescopic rod is fixedly connected to the outer wall of the moving plate.

[0007] Preferably, the inside of the moving plate is uniformly provided with a plurality of clamping holes at equal intervals, a clamping column is arranged in the clamping hole through clamping, the other end of the clamping column is fixedly installed with a clamping long plate, and there are two groups, which are symmetrically arranged.

[0008] Preferably, the top of the moving plate is fixedly installed with a special-shaped Z-shaped fixing block, and two are a group, a total of two groups, which are respectively located at both ends of the moving plate and extend above the clamping long plate.

[0009] Preferably, the top of the clamping long plate is uniformly provided with a plurality of fixed holes at equal intervals and extends above the clamping long plate, and a fixed bolt is arranged in the fixed hole through screw connection.

[0010] Preferably, the outer wall of the clamping long plate is uniformly provided with a plurality of circular mounting grooves at equal intervals, a spring is fixedly installed on the inner wall of the circular mounting groove, and the other end of the spring is fixedly connected with a flexible clamping column.

[0011] Preferably, the reinforcing clamping site includes: a connecting guide column, the connecting guide column is fixedly installed at equal intervals on the top of the clamping long plate; an installation top plate is fixedly installed on the top of the connecting guide column, a second cylinder is fixedly installed on the top of the installation top plate, and a connecting column is fixedly connected to the connecting end of the second cylinder.

[0012] Preferably, the connecting column is movably penetrated through the mounting top plate and extends below the mounting top plate, a reinforcing clamping plate is fixedly mounted at the bottom of the connecting column, and an antiskid pad is fixedly mounted at the bottom of the reinforcing clamping plate.

[0013] The utility model provides a CNC machine tool processing clamp convenient to disassemble and replace.

[0014] (1), the utility model discloses a movable sliding groove and connecting rod are set up, so that the movable plate can slide on the clamping table flexibly, the quick clamping and adjustment of different size workpieces can be realized through the drive of the cylinder, and the stability and accuracy of the clamping long plate during movement are ensured through the clamping structure of the card hole and the card column, the problem of unstable clamping caused by shaking is avoided, meanwhile, the special-shaped Z-shaped fixed block and fixed peg enhance the stability of the clamping long plate, make it convenient to disassemble and maintain when disassembling and replacing, reach the effect that the flexibility, adaptability and convenient dismounting of clamp are improved.

[0015] (2), the utility model discloses a circular mounting groove, spring and flexible clamping column are set up, can provide appropriate buffer to workpiece in the clamping process, effectively avoid the workpiece damage caused by too big clamping force, protect the integrity and processing quality of workpiece, cooperate with connecting guide pillar, mounting top plate, cylinder no. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the whole structure schematic view of the utility model;

[0017] Figure 2 It is the structure exploded view of the utility model a kind of CNC machine tool processing clamp convenient to disassemble and replace;

[0018] Figure 3 It is the structure view of the utility model a kind of CNC machine tool processing clamp convenient to disassemble and replace clamping;

[0019] Figure 4 It is the structure view of the utility model a kind of CNC machine tool processing clamp convenient to disassemble and replace installation;

[0020] In the figure: 1 machine tool workbench, 2 clamping table, 21 fixed threaded hole, 22 fixed bolt, 3 install clamping assembly, 31 install clamping site, 311 move sliding groove, 312 connecting rod, 313 moving plate, 314 air cylinder, 315 card hole, 316 card column, 317 clamping long plate, 318 special-shaped Z-shaped fixed block, 319 fixed hole, 3110 fixed bolt, 3111 circular mounting groove, 3112 spring, 3113 flexible clamping column, 32 reinforced clamping site, 321 connecting guide post, 322 install top plate, 323 air cylinder two, 324 connecting column, 325 reinforced clamping plate, 326 antiskid pad. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to 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. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] Examples of the described embodiments are shown in the accompanying drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present application, and cannot be understood as limiting the present application.

[0023] Embodiment one:

[0024] Based on the existing traditional CNC machine tool machining fixture, the clamping table is often fixedly connected with the machine tool workbench, and the disassembly and replacement process is complicated, and when clamping the workpiece, the fixed clamping mode is adopted, which lacks adaptability to workpieces of different shapes and sizes, and limits the processing range. The preferred embodiment of the CNC machine tool machining fixture provided by the present application is easy to disassemble and replace, which can solve the problems of Figures 1-4The utility model discloses a CNC machine tool processing fixture convenient to dismount and replace, including machine tool workstation 1, the top of machine tool workstation 1 is provided with clamping table 2, the top of clamping table 2 is opened fixed hole, and there are four groups, are located four corner places respectively, the top of machine tool workstation 1 is opened fixed screw hole 21, and fixed screw hole 21 with fixed hole is compatible, the inside of fixed hole is provided with fixed bolt 22 through screw connection, and fixed bolt 22 extends to the inside of fixed screw hole 21, for fixing whole clamping table 2, install clamping assembly 3, install clamping assembly 3 is set up in the top of clamping table 2, install clamping assembly 3 includes: install clamping site 31, install clamping site 31 is set up in the top of clamping table 2, reinforce clamping site 32, reinforce clamping site 32 is set up in the top of clamping table 2, and reinforce clamping site 32 is set up in the top of install clamping site 31.

[0025] Install clamping site 31 includes: mobile sliding slot 311, mobile sliding slot 311 is opened in the top of clamping table 2, and two are a group, and there are two groups, the inside fixed mounting of mobile sliding slot 311 has connecting rod 312, the outer wall movable sleeve of connecting rod 312 is provided with connecting block, and connecting block is connected with mobile sliding slot 311 slidingly, the top fixed mounting of connecting block has moving plate 313, one side of moving plate 313 is provided with air cylinder 314, and air cylinder 314 is fixedly installed on the top of clamping table 2 through support block, the connecting end of air cylinder 314 is fixedly connected with telescopic rod, and telescopic rod is fixedly connected on the outer wall of moving plate 313.

[0026] The inside arm of moving plate 313 is equidistantly and evenly provided with clamping hole 315, the inside of clamping hole 315 is provided with clamping column 316 through clamping, the other end of clamping column 316 is fixedly installed with clamping long plate 317, and there are two groups, are symmetrically arranged.

[0027] The top of moving plate 313 is fixedly installed with special-shaped Z-shaped fixed block 318, and two are a group, and there are two groups, are located at the both ends of moving plate 313 and extend to the top of clamping long plate 317.

[0028] The top of clamping long plate 317 is equidistantly and evenly provided with fixed hole 319, and extends to the top of clamping long plate 317, and the inside of fixed hole 319 is provided with fixed bolt 3110 through screw connection.

[0029] The outer wall of clamping long plate 317 is equidistantly and evenly provided with circular mounting groove 3111, the inner wall of circular mounting groove 3111 is fixedly installed with spring 3112, and the other end of spring 3112 is fixedly connected with flexible clamping column 3113.

[0030] Further, the mobile plate 313 can slide flexibly on the clamping table 2 by setting the moving chute 311 and the connecting rod 312, and the quick clamping and adjustment of workpieces of different sizes can be realized by the driving of the air cylinder 314; the clamping long plate 317 is clamped in the clamping hole 315 and the clamping column 316, so that the stability and accuracy of the clamping long plate 317 during movement are ensured, and the problem of unstable clamping due to shaking is avoided; meanwhile, the special-shaped Z-shaped fixed block 318 and the fixed bolt 3110 enhance the stability of the clamping long plate 317, so that the clamping long plate 317 is convenient to disassemble, assemble and maintain when it is disassembled and replaced.

[0031] Embodiment two:

[0032] Please refer to Figures 1-4 On the basis of the first embodiment, it is further obtained that the reinforced clamping part 32 comprises a connecting guide column 321 which is fixed and installed equidistantly and uniformly on the top of the clamping long plate 317; an installation top plate 322 is fixed and installed on the top of the connecting guide column 321; an air cylinder two 323 is fixed and installed on the top of the installation top plate 322; and a connecting column 324 is fixedly connected to the connecting end of the air cylinder two 323.

[0033] The connecting column 324 movably penetrates the installation top plate 322 and extends below the installation top plate 322; a reinforced clamping plate 325 is fixed and installed on the bottom of the connecting column 324; and an antiskid pad 326 is fixed and installed on the bottom of the reinforced clamping plate 325.

[0034] Further, the circular installation groove 3111, the spring 3112 and the flexible clamping column 3113 are provided, so that appropriate buffering can be provided for the workpiece during clamping, the damage of the workpiece caused by excessive clamping force is effectively avoided, the integrity and processing quality of the workpiece are protected, and the secondary reinforced clamping of the workpiece is realized in cooperation with the connecting guide column 321, the installation top plate 322, the air cylinder two 323, the connecting column 324, the reinforced clamping plate 325 and the antiskid pad 326.

[0035] In use, first, the top of the machine tool workbench 1 is provided with a fixed threaded hole 21, and the four corners of the clamping table 2 are provided with fixed holes matched with the fixed threaded hole 21. When the clamping table 2 needs to be installed, the fixed bolt 22 is only needed to pass through the fixed hole of the clamping table 2 and is screwed into the fixed threaded hole 21 of the machine tool workbench 1, so that stable connection can be realized. If the clamping table 2 needs to be disassembled, the fixed bolt 22 is rotated in the opposite direction and is screwed out of the fixed threaded hole 21, so that the clamping table 2 and the machine tool workbench 1 can be easily separated.

[0036] Further, the mobile sliding groove 311 is internally provided with a connecting rod 312, a connecting block movably sleeved on the connecting rod 312 and in sliding connection with the mobile sliding groove 311. The cylinder 314 is fixed on the top of the clamping table 2 through a supporting block, and the telescopic rod thereof is connected with the mobile plate 313. When the cylinder 314 works, the telescopic rod pushes or pulls the mobile plate 313 to slide along the mobile sliding groove 311, so as to realize the adjustment of the clamping position. The clamping hole 315 of the inner side arm of the mobile plate 313 is clamped with the clamping column 316, and the other end of the clamping column 316 is fixedly connected with the clamping long plate 317. Therefore, the sliding of the mobile plate 313 will drive the clamping long plate 317 to move synchronously. The special-shaped Z-shaped fixed block 318 is fixed on the top of the mobile plate 313, and is used for enhancing the stability of the clamping long plate 317 and preventing the clamping long plate 317 from deviating in the clamping process. The fixing hole 319 on the clamping long plate 317 can be finely adjusted through the fixing bolt 3110, so as to adapt to the sizes of different workpieces. The spring 3112 in the circular mounting groove 3111 and the flexible clamping column 3113 make the clamping process have a certain elasticity and buffering, so as to avoid damaging the workpiece.

[0037] Further, the connecting guide column 321 is fixedly installed on the top of the clamping long plate 317, and the upper end thereof is connected with the mounting top plate 322. The cylinder two 323 is fixed on the top of the mounting top plate 322, and the telescopic end thereof is connected with the reinforcing clamping plate 325 through the connecting column 324. The connecting column 324 movably penetrates the mounting top plate 322, so that the reinforcing clamping plate 325 can move up and down. When the cylinder two 323 works, the reinforcing clamping plate 325 moves up and down, so that the workpiece is further clamped and stabilized.

[0038] The overall operation process is as follows:

[0039] The workpiece is placed on the clamping table 2, the mobile plate 313 drives the clamping long plate 317 to move close to the workpiece through the adjustment of the cylinder 314, until the flexible clamping column 3113 contacts the workpiece and generates appropriate clamping force. According to the specific size of the workpiece, the clamping long plate 317 is finely adjusted through the rotation of the fixing bolt 3110, so as to ensure the stable clamping. The cylinder two 323 is started, so that the reinforcing clamping plate 325 moves downward and further stabilizes the workpiece. After the machining is completed, the cylinder 314 and the cylinder two 323 are operated in reverse, so as to release the workpiece, which is convenient for taking out and replacing.

[0040] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. A CNC machine tool processing fixture convenient to disassemble and replace, comprising a machine tool workbench (1), characterized in that: The top of the machine tool workbench (1) is provided with a clamping table (2), the top of the clamping table (2) is provided with a fixing hole, and there are four groups, respectively located at four corners, the top of the machine tool workbench (1) is provided with a fixed threaded hole (21), and the fixed threaded hole (21) is matched with the fixed hole, the inside of the fixed hole is provided with a fixed bolt (22) through threaded connection, and the fixed bolt (22) extends to the inside of the fixed threaded hole (21), for fixing the whole clamping table (2); Install the clamping assembly (3), the clamping assembly (3) is arranged above the clamping table (2); The clamping assembly (3) comprises: The installation clamping part (31) is arranged above the clamping table (2); The reinforced clamping part (32) is arranged above the clamping table (2), and the reinforced clamping part (32) is arranged above the installation clamping part (31).

2. The CNC machine tool processing fixture convenient to disassemble and replace according to claim 1, characterized in that: The installation clamping part (31) comprises: The moving chute (311) is arranged on the top of the clamping table (2), and two are a group, and there are two groups; The inside of the moving chute (311) is fixedly provided with a connecting rod (312), the outer wall of the connecting rod (312) is movably provided with a connecting block, and the connecting block is slidably connected with the moving chute (311), the top of the connecting block is fixedly provided with a moving plate (313), one side of the moving plate (313) is provided with an air cylinder (314), and the air cylinder (314) is fixedly installed on the top of the clamping table (2) through a supporting block, the connecting end of the air cylinder (314) is fixedly connected with a telescopic rod, and the telescopic rod is fixedly connected with the outer wall of the moving plate (313).

3. The CNC machine tool processing fixture convenient to disassemble and replace according to claim 2, characterized in that: The inside of the moving plate (313) is provided with a clamping hole (315) at equal intervals, the inside of the clamping hole (315) is provided with a clamping column (316) through clamping, the other end of the clamping column (316) is fixedly provided with a clamping long plate (317), and there are two groups, which are symmetrically arranged.

4. The CNC machine tool processing fixture convenient to disassemble and replace according to claim 3, characterized in that: The top of the moving plate (313) is fixedly provided with a special-shaped Z-shaped fixed block (318), and two are a group, and there are two groups, which are respectively located at both ends of the moving plate (313) and extend above the clamping long plate (317).

5. The CNC machine tool processing fixture convenient to disassemble and replace according to claim 4, characterized in that: The top of the clamping long plate (317) is provided with a fixed hole (319) at equal intervals, and extends above the clamping long plate (317), the inside of the fixed hole (319) is provided with a fixed bolt (3110) through threaded connection.

6. The CNC machine tool processing fixture convenient to disassemble and replace according to claim 5, characterized in that: The outer wall of the clamping long plate (317) is provided with a circular mounting groove (3111) at equal intervals, the inner wall of the circular mounting groove (3111) is fixedly provided with a spring (3112), and the other end of the spring (3112) is fixedly connected with a flexible clamping column (3113).

7. The CNC machine tool processing fixture convenient to disassemble and replace according to claim 1, characterized in that: The reinforced clamping part (32) comprises: The connecting guide column (321) is fixedly installed on the top of the clamping long plate (317) at equal intervals; The top of the connecting column (321) is fixedly installed with a mounting top plate (322), the top of the mounting top plate (322) is fixedly installed with a cylinder two (323), and the connecting end of the cylinder two (323) is fixedly connected with a connecting column (324).

8. The CNC machine tool processing fixture convenient to disassemble and replace according to claim 7, characterized in that: The connecting column (324) movably penetrates the mounting top plate (322) and extends below the mounting top plate (322), the bottom of the connecting column (324) is fixedly installed with a reinforcing clamping plate (325), and the bottom of the reinforcing clamping plate (325) is fixedly installed with an antiskid pad (326).

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