Locating and clamping device convenient to adjust and used for numerical control machine tool machining

Abstract

The utility model relates to the field of numerical control machine tool machining, and discloses a positioning and clamping device convenient to adjust and used for numerical control machine tool machining, which comprises a shell, a bearing assembly, a pushing assembly, a clamping assembly, a supporting assembly, a driving assembly and a transmission assembly, a round supporting assembly is installed at the lower end of the bearing assembly, a driving assembly for starting a transmission assembly is installed on the inner wall of the supporting assembly, a shell is installed on the outer wall of the driving assembly, a pushing assembly for moving and clamping the four corners in the center is installed on the bearing assembly, and a clamping assembly connected in a buckled mode is installed on the pushing assembly through a bolt. The motor drives the first gear to drive the second gear to rotate, the bearing table drives the fixed connection to perform multi-angle and flexible rotation adjustment, and then the first bolt is screwed, so that the clamping block can be quickly taken out from the positioning column and the first groove body or mounted.

Description

Technical Field

[0001] The utility model belongs to the field of numerical control machine tool processing, and in particular relates to a positioning clamping device for numerical control machine tool processing which is easy to adjust. Background Art

[0002] In CNC machine tool processing, positioning and clamping devices are important equipment used to fix the workpiece and ensure its accurate position. These devices are usually designed to perform automated operations on machine tools to improve production efficiency and processing accuracy.

[0003] When the existing CNC machine tools are equipped with positioning and clamping devices, they usually clamp and fix the parts by driving the clamping blocks through cylinders, and the connection between the cylinders and the clamping blocks is often fixed to ensure the effect of clamping and fixing the parts. However, when clamping and fixing parts of different shapes, the clamping effects of different clamping blocks are different, and the clamping blocks often need to be replaced to better clamp and fix the parts. After the existing positioning and clamping devices fix the parts, it is often difficult to flexibly adjust the angles of the parts as needed, which will affect the accuracy and efficiency of part processing.

[0004] Therefore, in order to address the problem that the clamping structure of the above-mentioned CNC machine tool with a positioning clamping device is difficult to flexibly adjust the fixed position of the parts when in use, and the clamping structure cannot be quickly replaced as needed, a positioning clamping device for CNC machine tools that is easy to adjust is developed. By adding a four-corner center clamping fixing structure, a gear transmission structure and a bolt limit replacement structure to the positioning clamping device for the CNC machine tool, the flexibility of the device when it is necessary to adjust the fixed position of the parts can be greatly improved, and the effect of clamping and fixing the parts can be improved, and it is also convenient for users to quickly replace the clamping structure as needed. Utility Model Content

[0005] In order to overcome the problem that the positioning and clamping device for CNC machine tool processing is difficult to flexibly adjust the fixed position of the part during use, and the clamping structure is difficult to quickly replace.

[0006] The technical solution of the utility model is: a positioning and clamping device for CNC machine tool processing that is easy to adjust, including a shell, and also includes a bearing component, a pushing component, a clamping component, a supporting component, a driving component, and a transmission component. The lower end of the bearing component is provided with a transmission component that assists the bearing component in rotation adjustment, the lower end of the bearing component is installed with a circular supporting component, the inner wall of the supporting component is installed with a driving component that starts the transmission component, the outer wall of the driving component is installed with a shell, the bearing component is installed with a pushing component for mobile clamping at the four corners, and the pushing component is installed with a clamping component with a snap-on connection through bolts.

[0007] Preferably, the driving assembly drives the transmission assembly to rotate, and the transmission assembly drives the bearing assembly to perform multi-angle rotation adjustment to adapt to different angle processing of parts, and then cooperates with the clamping assembly and the pushing assembly connected by bolts, the clamping assembly can be quickly removed from the pushing block assembly for replacement, thereby facilitating the user to replace the clamping assembly according to different part shapes.

[0008] Preferably, the bearing assembly includes a bearing platform, a limiting groove, an installation groove, and a processing groove. The limiting grooves are formed through the edges of the four corners of the upper end of the bearing platform, a processing groove is formed at the center of the upper end of the bearing platform, and the outer wall of the bearing platform is formed with installation grooves equidistantly distributed around the processing groove. When in use, the limiting groove can be used to assist in limiting the slider, and the processing groove can be used to facilitate the user to place the parts in the center position of the bearing platform, thereby improving the stability and convenience of the device when used.

[0009] Preferably, the transmission assembly includes a base and a second gear. The lower end of the support platform is fixedly connected to the base, and the lower end of the base is equipped with a second gear. When in use, the rotation of the second gear can drive the support platform to rotate and adjust along the upper end of the support frame, so as to rotate and adjust the parts in the processing groove as needed.

[0010] Preferably, the support assembly includes a support frame, a fixed groove, and a second groove body. The support frame is rotatably installed at the lower end of the support platform. The base and the second gear are both located in the support frame. The lower end of the second gear is in contact with the lower inner wall of the support frame. A fixed groove is provided at the edge of the lower inner wall of the support frame. The second groove body is provided at the front and rear ends of the support frame. When in use, the second gear can be limited and protected by the support frame, and the support platform can be rotationally supported so that it can be smoothly rotated and adjusted.

[0011] Preferably, the driving assembly includes a motor and a first gear. The motor is installed in a fixed groove. The upper end of the motor output unit is fixedly connected to the first gear. The first gear is meshed with the second gear. The lower end of the second gear is in contact with the inner wall of the lower end of the support frame. The outer wall of the motor is installed with a shell, and the upper end of the shell is connected to the lower end of the support frame. When in use, the first gear is driven to rotate by the motor, and the first gear drives the second gear to rotate, so that the support platform can be rotated and adjusted at multiple angles as needed.

[0012] Preferably, the pushing assembly includes an electric cylinder, a slider, a limit block, a first groove body, a positioning column, and a first screw groove. The electric cylinder is installed in the installation groove, and the end of the electric cylinder piston rod that is close to each other is fixedly connected to the slider, and the upper and lower ends of the slider are fixedly connected to the limit block. The slider is adapted to the limit groove, and the end of the limit block that is close to each other fits with the upper and lower ends of the support platform. A first groove body is provided at the top of the limit block near the upper end of the slider, and front and rear symmetrical positioning columns are fixedly connected in the first groove body, and a first screw groove is provided at the upper end of the positioning column. When in use, the electric cylinder drives the slider to approach each other along the inner wall of the limit groove, so that the clamping block can clamp the part in a four-corner center positioning manner, and two limit blocks are used to slide along the upper and lower ends of the support platform to provide stability for the center movement adjustment of the slider.

[0013] Preferably, the clamping assembly includes a mounting block, a through hole, a first bolt, and a clamping block. The clamping block is fixedly connected to one end of the mounting blocks that are close to each other. The clamping block is trapezoidal. The upper and lower ends of the mounting block are penetrated by front-to-back symmetrical through holes, which are matched with the positioning column. The first bolt passes through the through hole and is threadedly installed in the first screw groove. When in use, the mounting block can be quickly installed on the limit block or removed from the limit block by matching the through hole with the positioning column and cooperating with the first bolt, so that the device can flexibly adjust the shape of the clamping block according to the shape of the part.

[0014] Beneficial effects of the utility model:

[0015] 1. The driving assembly cooperates with the transmission assembly to make the transmission assembly drive the bearing assembly to perform multi-angle rotation adjustment. The clamping assembly and the pushing assembly connected by bolts can be quickly removed from the pushing block assembly for replacement, so that the user can replace the clamping assembly according to different part shapes and achieve the effect of flexible adjustment of the device.

[0016] 2. The slider can be assisted in limiting by the limiting groove, and the processing groove can facilitate the user to place the parts in the center of the carrier, thereby improving the stability and convenience of the device when used;

[0017] 3. The second gear can be protected by the support frame, and the bearing platform can be supported for rotation, so that it can be smoothly rotated and adjusted;

[0018] 4. The electric cylinder drives the sliders to move closer to each other along the inner wall of the limit groove, so that the clamping blocks can clamp the parts at the four corners, and use the two limit blocks to slide along the upper and lower ends of the bearing platform to provide stability for the center movement adjustment of the slider. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1The three-dimensional structure schematic diagram of a positioning and clamping device for CNC machine tool processing which is easy to adjust is shown in the utility model;

[0020] Figure 2 The present invention is a schematic diagram of the three-dimensional structure of a positioning and clamping device for CNC machine tool processing that is easy to adjust;

[0021] Figure 3 The present invention shows a three-dimensional structure schematic diagram of a bearing assembly of a positioning and clamping device for CNC machine tool processing that is easy to adjust;

[0022] Figure 4 The present invention shows a schematic diagram of the three-dimensional structure of a transmission component of a positioning and clamping device for CNC machine tool processing that is easy to adjust;

[0023] Figure 5 The present invention shows a schematic diagram of the three-dimensional structure of a support component, a drive component and a housing of a positioning and clamping device for CNC machine tool processing that is easy to adjust;

[0024] Figure 6 What is shown is a schematic diagram of the three-dimensional structure disassembly of a pushing component and a clamping component of a positioning clamping device for CNC machine tool processing which is easy to adjust according to the utility model.

[0025] Explanation of the accompanying drawings: 101-supporting platform, 102-limiting groove, 103-installing groove, 104-processing groove, 201-electric cylinder, 202-slider, 203-limiting block, 204-first groove body, 205-positioning column, 206-first screw groove, 301-installing block, 302-through hole, 303-first bolt, 304-clamping block, 401-support frame, 402-fixing groove, 403-second groove body, 501-motor, 502-first gear, 6-housing, 701-base, 702-second gear. DETAILED DESCRIPTION

[0026] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0027] See also Figure 1-2The utility model provides an embodiment: a positioning clamping device for CNC machine tool processing that is easy to adjust, including a shell 6, and also including a bearing assembly, a pushing assembly, a clamping assembly, a supporting assembly, a driving assembly, and a transmission assembly. The lower end of the bearing assembly is provided with a transmission assembly that assists the bearing assembly to rotate and adjust, the lower end of the bearing assembly is installed with a circular supporting assembly, the inner wall of the supporting assembly is installed with a driving assembly that starts the transmission assembly, the outer wall of the driving assembly is installed with a shell 6, and a pushing assembly for mobile clamping at the four corners is installed on the bearing assembly. A clamping assembly with a snap-on connection is installed on the pushing assembly by bolts, and the driving assembly drives the transmission assembly to rotate, and the transmission assembly drives the bearing assembly to rotate and adjust at multiple angles, so as to be suitable for processing parts at different angles. In combination with the clamping assembly and the pushing assembly connected by bolts, the clamping assembly can be quickly removed from the push block assembly for replacement, so that it is convenient for users to replace the clamping assembly according to different part shapes.

[0028] See also Figure 3-4 In this embodiment, the bearing assembly includes a bearing platform 101, a limiting groove 102, an installation groove 103, and a processing groove 104. The limiting grooves 102 are penetrated at the edges of the four corners of the upper end of the bearing platform 101, and the processing groove 104 is opened at the center of the upper end of the bearing platform 101. The outer wall of the bearing platform 101 is provided with installation grooves 103 that are evenly distributed around the processing groove 104. When in use, the limiting groove 102 can be used to assist in limiting the slider 202, and the processing groove 104 can be used to facilitate the user to place the parts at the center position of the bearing platform 101, thereby improving the stability and convenience of the device when in use. The transmission assembly includes a base 701 and a second gear 702. The lower end of the bearing platform 101 is fixedly connected to the base 701, and the lower end of the base 701 is installed with a second gear 702. When in use, the rotation of the second gear 702 can drive the bearing platform 101 to rotate and adjust along the upper end of the support frame 401, so as to rotate and adjust the parts in the processing groove 104 as needed.

[0029] See also Figure 5In this embodiment, the support assembly includes a support frame 401, a fixing groove 402, and a second groove body 403. The lower end of the carrier 101 is rotatably mounted with the support frame 401. The base 701 and the second gear 702 are both located in the support frame 401. The lower end of the second gear 702 is in contact with the inner wall of the lower end of the support frame 401. The edge of the inner wall of the lower end of the support frame 401 is provided with a fixing groove 402. The front and rear ends of the support frame 401 are provided with a second groove body 403. When in use, the second gear 702 can be limited and protected by the support frame 401, and the carrier 101 can be rotatably supported so that it can be smoothly rotated and adjusted. The driving assembly includes a motor 501 and a first gear 502. The motor 501 is installed in the fixing groove 402. The upper end of the output unit of the motor 501 is fixedly connected with the first gear 502. The first gear 502 is meshed with the second gear 702. The lower end of the second gear 702 is fitted with the inner wall of the lower end of the support frame 401. The outer wall of the motor 501 is installed with a shell 6. The upper end of the shell 6 is connected to the lower end of the support frame 401. When in use, the first gear 502 is driven to rotate by the motor 501, and the first gear 502 drives the second gear 702 to rotate, so that the support platform 101 can be rotated and adjusted at multiple angles as needed.

[0030] See also Figure 5In this embodiment, the pushing component includes an electric cylinder 201, a slider 202, a limit block 203, a first groove body 204, a positioning column 205, and a first screw groove 206. The electric cylinder 201 is installed in the installation groove 103. The end of the piston rod of the electric cylinder 201 that is close to each other is fixedly connected to the slider 202. The upper and lower ends of the slider 202 are fixedly connected to the limit block 203. The slider 202 is adapted to the limit groove 102. The end of the limit block 203 that is close to each other fits with the upper and lower ends of the supporting platform 101. The top of the limit block 203 near the upper end of the slider 202 is provided with a first groove body 204. The first groove body 204 is fixedly provided with a front-to-back symmetrical positioning column 205. The upper end of the positioning column 205 is provided with a first screw groove 206. When in use, the electric cylinder 201 drives the slider 202 to approach each other along the inner wall of the limit groove 102, so that the clamping block 304 can be used to center the four corners of the part. The clamping assembly 304 comprises a mounting block 301, a through hole 302, a first bolt 303 and a clamping block 304. The clamping block 304 is fixedly connected to one end of the mounting block 301 close to each other. The clamping block 304 is trapezoidal. The upper and lower ends of the mounting block 301 are penetrated by through holes 302 which are symmetrical in the front and back. The through holes 302 are matched with the positioning posts 205. The first bolt 303 passes through the through holes 302 and is threadedly installed in the first screw groove 206. When in use, the mounting block 301 is matched with the positioning posts 205 through the through holes 302 and cooperates with the first bolt 303 to quickly install the mounting block 301 on the limiting block 203, or remove it from the limiting block 203, so that the device can flexibly adjust the shape of the clamping block 304 according to the shape of the part.

[0031] When working, first, the device is installed on the CNC machine tool, and then according to the shape of the part, the matching clamping block 304 is installed in the first slot body 204, and the inner wall of the through hole 302 is fitted with the outer wall of the positioning column 205, and then the first bolt 303 is passed through the through hole 302 and threadedly installed in the first screw groove 206 to fix the clamping block 304;

[0032] Next, the part is placed in the processing groove 104, and the electric cylinder 201 is started, and the electric cylinder 201 drives the slider 202 to approach each other along the inner wall of the limiting groove 102, and drives the four clamping blocks 304 to clamp and fix the part in a four-corner positioning manner;

[0033] Then, the motor 501 is started, and the motor 501 drives the first gear 502 to drive the second gear 702 to rotate, and drives the support platform 101 to perform flexible rotation adjustment at multiple angles, so as to adjust the parts clamped by the center of the clamping block 304 to a suitable processing angle for processing.

[0034] Through the above steps, by starting the motor 501, the motor 501 drives the first gear 502 to drive the second gear 702 to rotate, and the support platform 101 drives the fixed connection to perform multi-angle and flexible rotation adjustment, and then by tightening the first bolt 303, the clamping block 304 can be quickly removed or installed from the positioning column 205 and the first groove body 204, which solves the problem that the positioning clamping device for CNC machine tool processing is difficult to flexibly adjust the fixed position of the part during use, and the clamping structure is difficult to quickly replace.

[0035] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A positioning and clamping device for CNC machine tool processing that is easy to adjust, comprising a housing (6), characterized in that: The invention also comprises a bearing assembly, a pushing assembly, a clamping assembly, a supporting assembly, a driving assembly and a transmission assembly. The lower end of the bearing assembly is provided with a transmission assembly for assisting the bearing assembly in rotation adjustment. The lower end of the bearing assembly is provided with a circular supporting assembly. The inner wall of the supporting assembly is provided with a driving assembly for starting the transmission assembly. The outer wall of the driving assembly is provided with a shell (6). The bearing assembly is provided with a pushing assembly for clamping at the four corners. The pushing assembly is provided with a clamping assembly connected in a snap-on manner by bolts.

2. The easily adjustable positioning and clamping device for CNC machine tool processing according to claim 1 is characterized in that: The bearing assembly comprises a bearing platform (101), a limiting groove (102), a mounting groove (103), and a processing groove (104); the limiting grooves (102) are provided at the edges of the four corners of the upper end of the bearing platform (101); the processing groove (104) is provided at the center of the upper end of the bearing platform (101); and the outer wall of the bearing platform (101) is provided with mounting grooves (103) which are equidistantly distributed around the processing groove (104).

3. The easily adjustable positioning and clamping device for CNC machine tool processing according to claim 1 is characterized in that: The clamping assembly comprises a mounting block (301), a through hole (302), a first bolt (303), and a clamping block (304). The clamping block (304) is fixedly connected to one end of the mounting block (301) that is close to each other. The clamping block (304) is trapezoidal. The upper and lower ends of the mounting block (301) are penetrated by through holes (302) that are symmetrical in front and back.

4. The easily adjustable positioning and clamping device for CNC machine tool processing according to claim 1, characterized in that: The transmission assembly comprises a base (701) and a second gear (702); the lower end of the supporting platform (101) is fixedly connected to the base (701), and the lower end of the base (701) is installed with the second gear (702).

5. The easily adjustable positioning and clamping device for CNC machine tool processing according to claim 4, characterized in that: The support assembly comprises a support frame (401), a fixing groove (402), and a second groove body (403); the support frame (401) is rotatably mounted on the lower end of the carrier platform (101); the base (701) and the second gear (702) are both located in the support frame (401); the lower end of the second gear (702) is in contact with the inner wall of the lower end of the support frame (401); the fixing groove (402) is penetrated at the edge of the inner wall of the lower end of the support frame (401); and the second groove body (403) is penetrated at the front and rear ends of the support frame (401).

6. The easily adjustable positioning and clamping device for CNC machine tool processing according to claim 5, characterized in that: The driving assembly comprises a motor (501) and a first gear (502). The motor (501) is installed in a fixing groove (402). The upper end of the output unit of the motor (501) is fixedly connected with the first gear (502). The first gear (502) is meshed with the second gear (702). The lower end of the second gear (702) is in contact with the inner wall of the lower end of the support frame (401). The outer wall of the motor (501) is installed with a shell (6). The upper end of the shell (6) is connected with the lower end of the support frame (401).

7. The easily adjustable positioning and clamping device for CNC machine tool processing according to claim 6, characterized in that: The pushing assembly comprises an electric cylinder (201), a slider (202), a limit block (203), a first slot body (204), a positioning column (205), and a first screw groove (206); the electric cylinder (201) is installed in the installation groove (103); the end of the piston rod of the electric cylinder (201) close to each other is fixedly connected to the slider (202); the upper and lower ends of the slider (202) are fixedly connected to the limit block (203); the slider (202) is adapted to the limit slot (102); the limit block (203) is mutually fixedly connected to the limit slot (102); One end close to each other fits with the upper and lower ends of the supporting platform (101), and a first groove body (204) is provided at the top of the limit block (203) close to the upper end of the slider (202). A front-to-back symmetrical positioning column (205) is fixed in the first groove body (204), and a first screw groove (206) is provided at the upper end of the positioning column (205). The through hole (302) is adapted to the positioning column (205), and the first bolt (303) passes through the through hole (302) and is threadedly installed in the first screw groove (206).

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