CN212578078U

CN212578078U - Clamping device for numerical control machining of metal workpiece

Info

Publication number: CN212578078U
Application number: CN202021379999.2U
Authority: CN
Inventors: 周远杰
Original assignee: Shenzhen Xinjingda Precision Technology Co ltd
Current assignee: Shenzhen Xinjingda Precision Technology Co ltd
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2021-02-23
Anticipated expiration: 2030-07-14

Abstract

The utility model discloses a clamping device is used in numerical control processing of metal work piece, including last disc, threaded rod, spring, pressure spring and spacing groove, go up the centre of disc and rotate and install the pivot, and the below fixedly connected with of pivot lower disc to the surface of pivot is seted up flutedly, the spacing groove has been seted up on the surface of going up the disc, and the inside movable mounting of spacing groove has the slider to the top fixedly connected with movable rod of slider, the inside movable mounting of slider has the threaded rod, and the front end fixedly connected with pipe box of threaded rod to the inside of pipe box is fixed and is provided with the spring, the front end fixedly connected with connecting rod of spring, and the fixed clamp plate that is provided with in front end of connecting rod, the fixed cover that is provided with in top. This clamping device for metal work piece numerical control processing conveniently carries out the regulation of centre gripping scope to metal work piece, can carry out diversified centre gripping, can adjust the centre gripping dynamics in each position moreover.

Description

Clamping device for numerical control machining of metal workpiece

Technical Field

The utility model relates to a metal work piece numerical control processing technology field specifically is a clamping device is used in metal work piece numerical control processing.

Background

Metal workpieces are often used for manufacturing parts in mechanical equipment, and in the process of machining the metal workpieces, clamping and fixing devices are needed to be used for fixing and clamping the metal workpieces so as to ensure the stability of the metal workpieces during machining, so that the clamping devices are needed to be used.

Some metal work piece numerical control processingequipment on the existing market:

(1) in the process of processing the metal workpiece, because the shapes of the metal workpiece are different, the existing clamping device is difficult to clamp the metal workpiece in multiple directions, and the using effect is poor;

(2) when the metal workpiece is clamped, the clamping force of each part is not convenient to adjust according to requirements, the clamping part of the clamping device is not convenient to detach and install, and the application range is low.

We have therefore proposed a clamping device for the numerical control machining of metal workpieces in order to solve the problems set out above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a clamping device is used in numerical control of metal work piece processing to some metal work piece clamping device on the existing market that the solution above-mentioned background art provided are not convenient for carry out the centre gripping to the article of different shapes, are not convenient for adjust the problem of the centre gripping dynamics at each position moreover.

In order to achieve the above object, the utility model provides a following technical scheme: a clamping device for numerical control processing of metal workpieces, which comprises an upper disc, a threaded rod, a spring, a pressure spring and a limit groove, a rotating shaft is rotatably arranged in the middle of the upper disc, a lower disc is fixedly connected below the rotating shaft, the surface of the rotating shaft is provided with a groove, the surface of the upper disc is provided with a limit groove, the interior of the limit groove is movably provided with a slide block, a movable rod is fixedly connected above the sliding block, a threaded rod is movably arranged in the sliding block, a pipe sleeve is fixedly connected at the front end of the threaded rod, and a spring is fixedly arranged inside the pipe sleeve, the front end of the spring is fixedly connected with a connecting rod, a pressing plate is fixedly arranged at the front end of the connecting rod, a fixed sleeve is fixedly arranged above the lower disc, an inserted rod is movably arranged in the fixed sleeve, and a pressure spring is fixedly connected between the inserted bar and the fixed sleeve, and a clamping groove is formed in the surface of the rotating shaft.

Preferably, the clamping grooves are distributed on the surface of the rotating shaft in a central symmetry manner, and the inner walls of the clamping grooves are mutually attached to the outer wall of the front end of the inserted rod.

Preferably, the grooves are arc-shaped on the surface of the lower disc, the width of the lower disc is equal to the diameter of the movable rod, and the movable rods and the grooves are in one-to-one correspondence.

Preferably, the outer wall of the sliding block is mutually attached to the inner wall of the limiting groove, the sliding block forms a sliding structure with the upper disc through the limiting groove, and the sliding block is in threaded connection with the threaded rod.

Preferably, the pipe sleeve forms a telescopic structure through the threaded rod and the sliding block, and the movable rod, the sliding block, the threaded rod and the pipe sleeve are distributed on the surface of the upper disc in a centrosymmetric manner.

Preferably, the inserted bar runs through in the inside of fixed cover, and the inserted bar passes through to constitute elastic construction between pressure spring and the fixed cover, the pivot passes through to constitute the block structure between inserted bar and draw-in groove and the last disc.

Compared with the prior art, the beneficial effects of the utility model are that: this clamping device is used in numerical control of metal work piece processing:

(1) the device is provided with the lower disc and the movable rod which are mutually clamped, the inner wall of the groove can extrude the movable rod by rotating the upper disc, so that all sliding blocks on the driving device simultaneously extend outwards or contract inwards, and the metal workpiece is extruded in multiple angles by the connecting rod at the front end of the device, so that the clamping stability of the device is ensured, the sliding blocks and the threaded rods on the device can be disassembled, the number of the pressing plates can be adjusted, the clamping range is adjusted, and the using effect of the device is improved;

(2) because threaded connection is between the slider of the device and the threaded rod, consequently can be through the degree of depth of adjusting the threaded rod at the inside precession of slider to adjust the length that the clamp plate extends, thereby adjust the pulling force when cliping the object to each position clamp plate and connecting rod, promoted the application scope of device.

Drawings

FIG. 1 is a schematic view of the bottom cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the connection structure of the sliding block and the threaded rod of the present invention;

fig. 4 is a schematic view of the bottom view of the lower disc of the present invention.

In the figure: 1. an upper disc; 2. a rotating shaft; 3. a card slot; 4. a lower disc; 5. a groove; 6. a movable rod; 7. a slider; 8. a threaded rod; 9. pipe sleeve; 10. a spring; 11. a connecting rod; 12. pressing a plate; 13. fixing a sleeve; 14. inserting a rod; 15. a pressure spring; 16. a limiting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a clamping device for numerical control machining of metal workpieces comprises an upper disc 1, a rotating shaft 2, a clamping groove 3, a lower disc 4, a groove 5, a movable rod 6, a sliding block 7, a threaded rod 8, a pipe sleeve 9, a spring 10, a connecting rod 11, a pressing plate 12, a fixing sleeve 13, an inserting rod 14, a pressure spring 15 and a limiting groove 16, wherein the rotating shaft 2 is rotatably arranged in the middle of the upper disc 1, the lower disc 4 is fixedly connected below the rotating shaft 2, the groove 5 is formed in the surface of the rotating shaft 2, the limiting groove 16 is formed in the surface of the upper disc 1, the sliding block 7 is movably arranged in the limiting groove 16, the movable rod 6 is fixedly connected above the sliding block 7, the threaded rod 8 is movably arranged in the sliding block 7, the pipe sleeve 9 is fixedly connected with the front end of the threaded rod 8, the spring 10 is fixedly arranged in the pipe sleeve 9, the connecting rod 11 is fixedly connected with the front, the fixed cover 13 is fixedly arranged above the lower disc 4, the inserting rod 14 is movably arranged inside the fixed cover 13, the pressure spring 15 is fixedly connected between the inserting rod 14 and the fixed cover 13, and the clamping groove 3 is formed in the surface of the rotating shaft 2.

The draw-in groove 3 is central symmetry form distribution on the surface of pivot 2, and the inner wall of draw-in groove 3 laminates mutually with the outer wall of inserted bar 14 front end, can come to carry out the block to last disc 1 and lower disc 4 through draw-in groove 3 and inserted bar 14.

The surface of disc 4 is circular-arc under recess 5, and the width of disc 4 equals the diameter of movable rod 6 down to one-to-one between movable rod 6 and the recess 5, follow-up inner wall extrusion movable rod 6 that can pass through arc recess 5 adjusts the position of device slider 7.

The outer wall of slider 7 and the inner wall of spacing groove 16 laminate mutually, and slider 7 constitutes sliding structure through between spacing groove 16 and the last disc 1 to be threaded connection between slider 7 and the threaded rod 8, carry on spacingly through spacing groove 16 to slider 7, make slider 7 through the transmission of movable rod 6 come to stretch out and draw back simultaneously to clamp plate 12 everywhere on the device, thereby carry out the multiple range centre gripping work.

The pipe sleeve 9 forms a telescopic structure between the threaded rod 8 and the sliding block 7, the movable rod 6, the sliding block 7, the threaded rod 8 and the pipe sleeve 9 are distributed on the surface of the upper disc 1 in a centrosymmetric mode, and clamping force can be adjusted by adjusting the screwing depth of the threaded rod 8 in the sliding block 7.

The inserted bar 14 runs through the inside of the fixed sleeve 13, the inserted bar 14 forms an elastic structure with the fixed sleeve 13 through the pressure spring 15, the rotating shaft 2 forms a clamping structure with the upper disc 1 through the inserted bar 14 and the clamping groove 3, and the rotating range can be adjusted through the clamping structure on the device, so that objects with different sizes can be clamped.

The working principle is as follows: when the clamping device for numerical control processing of the metal workpiece is used, as shown in fig. 1 and 4, a fixed sleeve 13 of the device is not contacted with an upper disc 1, the fixed sleeve 13 is fixed with a rotating shaft 2, a lower disc 4 is rotatably connected with the upper disc 1, and the lower disc 4 is fixed with the rotating shaft 2, so that a movable rod 6 can slide in a groove 5 by rotating the whole upper disc 1, the inner wall of the groove 5 extrudes the movable rod 6 to enable a slide block 7 connected with the movable rod 6 to slide in a limiting groove 16, the slide blocks 7 on the upper disc 1 simultaneously slide in the movable rod 6, the metal workpiece is fixed in multiple directions by an L-shaped connecting rod 11 and a pressing plate 12, the range of rotating the upper disc 1 is adjusted according to the size of the metal workpiece, an inserting rod 14 penetrating through the fixed sleeve 13 is pulled backwards, a pressure spring 15 is compressed, and then the front end of the inserting rod 14 is inserted into a corresponding clamping groove 3 in the rotating shaft 2, the clamping and fixing work of the upper disc 1 and the rotating shaft 2 is completed, so that the aim of carrying out multi-directional clamping on metal workpieces with different sizes is fulfilled;

as shown in fig. 1-3, the clamping force can be adjusted when the device is used, because the sliding block 7 and the threaded rod 8 are in threaded connection, the connecting rod 11 and the pressing plate 12 at different positions on the device can be extended in different lengths by adjusting the depth of the threaded rod 8 screwed into the sliding block 7, so that different positions can be clamped under different pressures according to the shape of an object, and the whole of the threaded rod 8, the pipe sleeve 9, the spring 10, the connecting rod 11 and the pressing plate 12 can be directly removed to adjust the clamping position, which is the working process of the whole device, and the content which is not described in detail in the description belongs to the prior art known by persons skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a clamping device is used in numerical control processing of metal work piece, includes disc (1), threaded rod (8), spring (10), pressure spring (15) and spacing groove (16), its characterized in that: the middle of the upper disc (1) is rotatably provided with a rotating shaft (2), the lower part of the rotating shaft (2) is fixedly connected with a lower disc (4), the surface of the rotating shaft (2) is provided with a groove (5), the surface of the upper disc (1) is provided with a limiting groove (16), the inside of the limiting groove (16) is movably provided with a sliding block (7), the upper part of the sliding block (7) is fixedly connected with a movable rod (6), the inside of the sliding block (7) is movably provided with a threaded rod (8), the front end of the threaded rod (8) is fixedly connected with a pipe sleeve (9), the inside of the pipe sleeve (9) is fixedly provided with a spring (10), the front end of the spring (10) is fixedly connected with a connecting rod (11), the front end of the connecting rod (11) is fixedly provided with a pressing plate (12), the upper part of the lower disc (4) is fixedly provided with a fixed sleeve (, and a pressure spring (15) is fixedly connected between the inserted bar (14) and the fixed sleeve (13), and a clamping groove (3) is formed in the surface of the rotating shaft (2).

2. The clamping device for numerical control machining of the metal workpiece according to claim 1, characterized in that: the clamping grooves (3) are distributed on the surface of the rotating shaft (2) in a central symmetry mode, and the inner walls of the clamping grooves (3) are mutually attached to the outer wall of the front end of the inserted rod (14).

3. The clamping device for numerical control machining of the metal workpiece according to claim 1, characterized in that: the surface of the lower disc (4) of the groove (5) is arc-shaped, the width of the lower disc (4) is equal to the diameter of the movable rod (6), and the movable rod (6) and the groove (5) are in one-to-one correspondence.

4. The clamping device for numerical control machining of the metal workpiece according to claim 1, characterized in that: the outer wall of the sliding block (7) is mutually attached to the inner wall of the limiting groove (16), the sliding block (7) forms a sliding structure with the upper disc (1) through the limiting groove (16), and the sliding block (7) is in threaded connection with the threaded rod (8).

5. The clamping device for numerical control machining of the metal workpiece according to claim 1, characterized in that: the pipe sleeve (9) forms a telescopic structure through the threaded rod (8) and the sliding block (7), and the movable rod (6), the sliding block (7), the threaded rod (8) and the pipe sleeve (9) are distributed on the surface of the upper disc (1) in a centrosymmetric manner.

6. The clamping device for numerical control machining of the metal workpiece according to claim 1, characterized in that: the inserted bar (14) runs through the inside of the fixed sleeve (13), the inserted bar (14) forms an elastic structure with the fixed sleeve (13) through a pressure spring (15), and the rotating shaft (2) forms a clamping structure with the upper disc (1) through the inserted bar (14) and the clamping groove (3).