CN206405755U - A kind of grip device for being used to be machined round piece - Google Patents

Abstract

The utility model discloses a fixture device for mechanically processing circular workpieces, which is characterized in that: a rotating bracket is arranged on a supporting base, the rotating bracket includes a main body and a gear assembly, the main body is arc-shaped, and the outer diameter of the main body is provided with a There is a rack matched with the outer diameter, and the two ends of the main body are respectively set on the support base through the passive gear assembly and the driving gear assembly, so that the main body can rotate counterclockwise or clockwise at a certain angle under the cooperation of the passive gear assembly and the driving gear assembly. The middle part of the main body penetrates the locking piece arranged on the supporting platform, the inner diameter of the main body does not exceed the center of the circle, and a crossbeam is arranged on the crossbeam, and a clamping mechanism is arranged on the crossbeam. The utility model enables the clamping mechanism to rotate at a certain angle through the rotating bracket, meets the requirements of processing circular workpieces from different directions, is easy to operate, is suitable for clamping and fixing circular workpieces of various specifications and sizes, and has high clamping versatility , which effectively improves the processing efficiency of circular workpieces.

Description

A fixture device for machining circular workpieces

technical field

The utility model belongs to the technical field of mechanical processing equipment, and in particular relates to a fixture device for machining circular workpieces with high clamping versatility and convenient operation.

Background technique

The fixture is an indispensable part of mechanical processing. When processing the workpiece, in order to make the surface of the workpiece meet the technical requirements of the size, geometric shape and mutual position accuracy with other surfaces specified in the drawing, the workpiece must be positioned and clamped before processing. Fixed, so as to ensure the machining accuracy of the workpiece and stabilize the product quality. When our factory is processing circular workpieces, because the daily fixture cannot fit the circular workpiece smoothly and cannot clamp the circular workpiece, it is often necessary to place two pads with the same diameter as the circular workpiece on the end milling fixture. block to clamp milling securely. Moreover, the diameter specifications of the circular workpieces to be milled are different each time. Therefore, when placing a spacer with the same diameter as the circular workpieces to be milled, it is necessary to find materials to be processed into the circular workpieces to be milled. The pads with the same diameter, and the clamping surface of the circular workpiece does not match the size of the pad during the fixed clamping process, it is very easy to make the circular workpiece break away from the end milling fixture, resulting in the round workpiece or the end milling machine The working cutter head is damaged, causing potential safety hazards and endangering the health of workers. Due to the many processing procedures, time-consuming and labor-intensive processing, the processing efficiency is low, which is not conducive to mass processing; on the other hand, the existing clamping tools are all closed Yes, when clamping the workpiece, the workpiece must be inserted into the clamping tool. If it encounters a large workpiece with a long distance, the operation is inconvenient. When the workpiece is processed at multiple angles, the machine must be stopped, and the clamp is released to adjust the workpiece, which is time-consuming and laborious. .

Therefore, there is a need for an easy-to-operate fixture device for machining circular workpieces.

Utility model content

The utility model aims to provide a fixture device with high versatility and convenient operation for machining circular workpieces.

The purpose of this utility model is achieved in the following way: a rotating bracket is set on the support base, the rotating bracket includes a main body and a gear assembly, the main body is arc-shaped, and the outer diameter of the main body is provided with a rack matching the outer diameter, and the two ends of the main body The passive gear assembly and the driving gear assembly are respectively arranged on the supporting platform, so that the main body can rotate counterclockwise or clockwise at a certain angle under the cooperation of the passive gear assembly and the driving gear assembly, and the middle part of the main body penetrates into the lock set on the supporting platform. The inner diameter of the main body does not reach the center of the circle, and a crossbeam is arranged on the inner diameter of the main body, and a clamping mechanism is arranged on the crossbeam.

Beneficial effects: the utility model enables the clamping mechanism to rotate at a certain angle through the rotating bracket, meets the requirements of processing circular workpieces from different directions, is easy to operate, and reduces the processing procedures. The upper part of the device is set as an unclosed structure, which can The workpiece is directly placed on the lower clamping block, which meets the clamping and fixing requirements of various specifications and sizes of circular workpieces. The clamping versatility is high, and the processing efficiency of circular workpieces is effectively improved.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Labels in the figure: 1~left support column, 2~right support column, 3~base, 4~main body, 5~beam, 6~gear, 7~rolling shaft, 8~fixed frame, 9~bearing, 10~operation Rod, 11~lower clamping block, 12~left clamping block, 13~right clamping block, 14~fastening screw rod, 15~fastening bracket, 16~L-shaped slider, 17~locking bracket, 18 ~ locking screw mandrel, 19 ~ locking block.

detailed description

According to the fixture device for machining circular workpieces shown in accompanying drawing 1, a rotating bracket is set on the supporting base, the rotating bracket includes a main body 4 and a gear 6 assembly, the main body 4 is arc-shaped, and the outer diameter of the main body 4 is provided There is a toothed rack matching the outer diameter, and the two ends of the main body 4 are respectively arranged on the supporting platform through the passive gear assembly and the driving gear assembly, so that the main body 4 can rotate counterclockwise or clockwise under the cooperation of the passive gear assembly and the driving gear assembly. Angle, the middle part of the main body 4 penetrates the locking piece arranged on the support pedestal, the inner diameter of the main body 4 does not exceed the center of the circle to set the crossbeam 5, and the crossbeam 5 is provided with a clamping mechanism.

The support pedestal includes a left support column 1, a right support column 2 and a base 3, the left support column 1 and the right support column 2 are symmetrically arranged on the base 3, the top of the left support column 1 is provided with a passive gear assembly, and the right support column The top of the column 2 is provided with a driving gear assembly.

The clamping mechanism comprises a lower clamping block 11, a left clamping block 12, a right clamping block 13 and a fastener, the lower clamping block 11 is fixed on the crossbeam 5 by a guide rail, the left clamping block 12 and the right The lower clamping block 13 of the clamping block 13 is symmetrically arranged on the guide rail by a fastener, so that the inner diameters of the lower clamping block 11, the left clamping block 12 and the right clamping block 13 form an arc working surface together.

Described fastening device comprises fastening screw rod 14, fastening bracket 15, L-shaped slide block 16, and the vertical end of L-shaped slide block 16 is affixed to left clamping block 12 or right clamping block 13, and horizontal end is slidably set On the guide rail, one end of the fastening screw rod 14 passes through the fastening bracket 15 and is affixed to the slide block, and the other end is the operating end.

The passive gear assembly includes a gear 6, a rolling shaft 7 and a fixed frame 8, the gear 6 and the rolling shaft 7 are symmetrically arranged in the fixed frame 8, and the gear 6 and the rolling shaft 7 rotate freely on the fixed frame 8, and the main body 4 penetrates between the gear 6 and the rolling shaft 7, so that the rack on the main body 4 cooperates with the gear 6, while fixing the main body 4, it facilitates the movement of the main body 4 and reduces friction.

Described driving gear assembly comprises gear 6, rolling shaft 7, fixed frame 8, bearing 9 and operating lever 10, and described gear 6 and rolling shaft 7 are symmetrically arranged in fixed frame 8, and gear 6 and rolling shaft 7 are fixed The frame 8 rotates freely, the main body 4 penetrates between the gear 6 and the rolling shaft 7, so that the rack on the main body 4 cooperates with the gear 6, the bearing 9 is arranged on the side of the fixed frame 8 opposite to the gear 6, and the operating rod 10 One end of one end passes through the bearing 9 and is fixedly connected to the gear 6, and the other end is a free end, which drives the gear 6 to rotate by operating the free end of the operating lever 10.

The minimum inner diameter of the main body 4 is 10 cm, and the width of the main body 4 is at least 5 cm.

The locking member includes a locking bracket 17, a locking screw 18, and a locking block 19. The locking bracket 17 is in the shape of a door frame, the main body 4 passes through the locking bracket 17, and the locking bracket 17 is provided with a locking screw 18. , make the locking screw 18 perpendicular to the horizontal plane, and one end of the locking screw 18 in contact with the subject is provided with a locking block 19, and the other end is a free end to lock the main body 4 to prevent the main body 4 from moving when processing the workpiece.

The working surface of the locking block 19 is arc-shaped matching the inner diameter of the main body 4 .

The working method of the present utility model: when working, loosen the left clamping block 12 and the right clamping block 13 respectively through the fastening screw rod 14, put the circular workpiece on the lower clamping block 11, and then pass the fastening screw rod 14 control the left clamping block 12 and the right clamping block 13 respectively, so that the left clamping block 12 and the right clamping block 13 cooperate with the lower clamping block 11 to clamp the circular workpiece, and the workpiece can be processed; When performing multi-angle processing, the operating rod 10 of the driving gear assembly drives the gear 6 to rotate, and the gear 6 drives the main body 4 to rotate counterclockwise or clockwise under the cooperation of the driven gear assembly. The clamping mechanism on 4 rotates to realize the angle adjustment of the circular workpiece. When turning to the required angle, stop operating the operating lever 10 and rotate the locking screw 18 so that the locking screw 18 arranged on the locking screw 18 is locked. The block 19 fixes the main body 4 to process the circular workpiece; after the processing is completed, the left clamping block 12 and the right clamping block 13 can be loosened to remove the circular workpiece, and the main body 4 resets when the locking block 19 is finally released to the non-working state.

Claims (9)

1. A fixture device for machining circular workpieces, characterized in that: a rotating bracket is set on the support base, the rotating bracket includes a main body (4) and a gear (6) assembly, the main body (4) is arc-shaped, and The outer diameter of the main body (4) is provided with a tooth rack matching the outer diameter, and the two ends of the main body (4) are respectively arranged on the supporting platform through the passive gear assembly and the driving gear assembly, so that the main body (4) is connected between the passive gear assembly and the driving gear assembly. With the cooperation of the gear assembly, rotate counterclockwise or clockwise at a certain angle, the middle part of the main body (4) penetrates the locking piece provided on the support pedestal, and the inner diameter of the main body (4) does not exceed the center of the circle to set the crossbeam (5), the crossbeam ( 5) Set up the clamping mechanism. 2. The fixture device for machining circular workpieces according to claim 1, characterized in that: the support pedestal comprises a left support column (1), a right support column (2) and a base (3), The left support column (1) and the right support column (2) are symmetrically arranged on the base (3), the top of the left support column (1) is provided with a driven gear assembly, and the top of the right support column (2) is provided with a driving gear assembly. 3. The fixture device for machining circular workpieces according to claim 1, characterized in that: the clamping mechanism includes a lower clamping block (11), a left clamping block (12), a right clamping Block (13) and fastener, the lower clamping block (11) is affixed on the beam (5) through the guide rail, and the following clamping block (11) of the left clamping block (12) and the right clamping block (13) is The symmetrical points are arranged symmetrically on the guide rail through the fasteners, so that the inner diameters of the lower clamping block (11), the left clamping block (12) and the right clamping block (13) together form an arc-shaped working surface. 4. The fixture device for machining circular workpieces according to claim 3, characterized in that: the said fastener comprises a fastening screw (14), a fastening bracket (15), an L-shaped slider (16), the vertical end of the L-shaped slide block (16) is affixed to the left clamping block (12) or the right clamping block (13), the horizontal end is slidably arranged on the guide rail, and one end of the fastening screw rod (14) passes through After tightening the bracket (15), the slide block is secured, and the other end is the operating end. 5. The fixture device for machining circular workpieces according to claim 1, characterized in that: said driven gear assembly includes a gear (6), a rolling shaft (7) and a fixed frame (8), said The gear (6) and the rolling shaft (7) are symmetrically arranged in the fixed frame (8), and the gear (6) and the rolling shaft (7) rotate freely on the fixed frame (8), and the main body (4) is driven from the gear (6) Penetrate between the rolling shaft (7) and the rack on the main body (4) to cooperate with the gear (6). 6. The fixture device for machining circular workpieces according to claim 1, characterized in that: the drive gear assembly includes a gear (6), a rolling shaft (7), a fixed frame (8), a bearing ( 9) and the operating rod (10), the gear (6) and the rolling shaft (7) are symmetrically arranged in the fixed frame (8), and the gear (6) and the rolling shaft (7) are free on the fixed frame (8) Turn, the main body (4) penetrates between the gear (6) and the rolling shaft (7), so that the rack on the main body (4) cooperates with the gear (6), and the bearing (9) is set opposite to the gear (6) On one side of the fixed frame (8), one end of the operating rod (10) passes through the bearing (9) and is fixedly connected to the gear (6). 7. The fixture device for machining circular workpieces according to claim 1, characterized in that: the minimum inner diameter of the main body (4) is 10 cm, and the width of the main body (4) is at least 5 cm. 8. The fixture device for machining circular workpieces according to claim 1, characterized in that: the locking member includes a locking bracket (17), a locking screw (18), a locking block ( 19), the locking bracket (17) is in the shape of a door frame, the main body (4) passes through the locking bracket (17), and the locking bracket (17) is provided with a locking screw (18), so that the locking screw (18) is vertical On the horizontal plane, one end of the locking screw rod (18) in contact with the subject is provided with a locking block (19), and the other end is a free end. 9. The fixture device for machining circular workpieces according to claim 8, characterized in that: the working surface of the locking block (19) is arc-shaped matching the inner diameter of the main body (4).