CN219004716U

CN219004716U - Positioning fixture for milling machine

Info

Publication number: CN219004716U
Application number: CN202223313694.3U
Authority: CN
Inventors: 刘敏河; 穆天勇; 庞邦志
Original assignee: Guiyang Hechuangda Precision Machinery Technology Co ltd
Current assignee: Guiyang Hechuangda Precision Machinery Technology Co ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-05-12
Anticipated expiration: 2032-12-09

Abstract

The utility model discloses a positioning fixture for a milling machine, and relates to the technical field of milling machine fixtures. The positioning clamp for the milling machine comprises a workbench, clamping assemblies and auxiliary assemblies, wherein a groove is formed in the workbench, mounting cross bars are fixedly mounted on the inner walls of two sides of the groove, the clamping assemblies are arranged on the workbench, each clamping assembly comprises a driving motor and cams, the number of the cams is two, and the driving motor is used for driving the two cams to rotate. The positioning clamp for the milling machine can drive the clamping plate to move, so that an article needing to be milled can be clamped, the position of the center is unchanged, the article can be positioned, the milling accuracy is improved, the upper part of the plate-shaped article can be fixed in the process of milling the plate-shaped article, the situation that the plate-shaped article slides to incline is avoided, and the practicability of the device can be increased.

Description

Positioning fixture for milling machine

Technical Field

The utility model relates to the technical field of milling machine jigs, in particular to a positioning jig for a milling machine.

Background

According to the milling machine fixture based on accurate positioning, when a milling machine mills a workpiece, the chip collecting box in the base can collect chips falling into the base, so that the problem that the chips produced after milling of the workpiece are inconvenient to collect and fall into a chute of the fixture easily to cause difficult adjustment of the fixture is effectively solved, vibration of the workpiece is prevented by the two clamping plates of the fixture through the shockproof plates at the inner sides of the clamping plates, stability of the workpiece during milling is greatly enhanced, milling precision of the workpiece is effectively improved, and before the milling machine is operated by the cooperation of the adjusting rod and the clamping plates, the adjusting rod is rotated by rotating the handle and is driven to move inwards by the adjusting rod, and the workpiece is positioned and clamped by the two clamping plates, so that the problem of inaccurate positioning of the existing milling machine fixture is effectively solved.

When the clamp for the milling machine clamps the plate-shaped article, the top of the article is difficult to clamp, and then the plate-shaped article is inclined in the processing process, so that the processing effect of the milling machine is affected.

Disclosure of Invention

The utility model aims to provide a positioning clamp for a milling machine, which can solve the problems that the top of an article is difficult to clamp, and further, the plate-shaped article is inclined in the processing process, so that the processing effect of the milling machine is affected.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a positioning fixture for a milling machine comprises a workbench, a clamping assembly and an auxiliary assembly, wherein a groove is formed in the workbench, and mounting cross bars are fixedly arranged on the inner walls of two sides of the groove;

the clamping assembly is arranged on the workbench and comprises a driving motor and cams, the number of the cams is two, and the driving motor is used for driving the two groups of cams to rotate;

the auxiliary assembly is arranged on the mounting cross rod and comprises a threaded rod and an upper clamping plate, and the threaded rod is used for driving the upper clamping plate to lift and clamp an article.

Preferably, the clamping assembly further comprises a rotating rod, bevel gears, belt pulleys, a belt, a first gear and a second gear, a transmission groove is formed in the workbench, a driving motor is fixedly arranged at the bottom of the inner side of the transmission groove, bevel gears are fixedly arranged on the rotating shaft of the driving motor, the rotating rod is rotatably arranged at the top of the workbench, one end of the rotating rod penetrates through the transmission groove and extends to the lower side of the workbench, the bevel gears are fixedly arranged on the outer wall of the rotating rod in the transmission groove, the bevel gears are two groups, the bevel gears are meshed with each other, the rotating rod is rotatably arranged at the top of the workbench, one end of the rotating rod extends to the lower side of the workbench and is fixedly provided with the second gear, a rotating shaft is rotatably arranged at the bottom of the workbench, the outer wall of the rotating shaft and the outer wall of the rotating rod are fixedly provided with the belt pulleys, the two groups of the belt pulleys are in transmission connection through the belt, and cams are fixedly arranged on the outer wall of the rotating rod and the outer wall of the rotating rod.

Preferably, the auxiliary assembly further comprises a sliding sleeve, a clamping plate and a fixed side plate, the sliding sleeve is slidably mounted on the outer wall of the mounting cross rod, the connecting plate is fixedly mounted at the top of the sliding sleeve, the clamping plate is fixedly mounted at the top of the connecting plate, the fixed side plate is fixedly mounted on one side of the clamping plate, the threaded rod is mounted on the top of the fixed side plate in a threaded manner, and one end of the threaded rod extends to the lower portion of the fixed side plate and rotates to mount the upper clamping plate.

Preferably, a sliding block is fixedly arranged on one side of the upper clamping plate, a sliding groove is formed in the clamping plate, the sliding block is slidably arranged in the sliding groove, and the upper clamping plate and the clamping plate are slidably arranged.

Preferably, the number of the mounting cross bars is two, the top of the workbench is provided with an opening for the connecting plate to move, and the connecting plate is convenient to move.

Preferably, a protective pad is stuck and fixed at the bottom of the upper clamping plate, so that the article can be protected.

Preferably, a thread groove matched with the threaded rod is formed in the fixed side plate.

Compared with the prior art, the utility model has the beneficial effects that: this positioning fixture for milling machine uses through driving motor, dwang, bevel gear, cam, belt pulley and belt's cooperation, can drive the grip block and remove, can carry out the centre gripping with the article that needs the turning and handle like this, and such clamping method, the position at center is unchangeable, and then can carry out the location with the article and handle, improve the degree of accuracy of turning and milling, and through the cooperation of slip collar, the grip block, fixed curb plate, threaded rod and last grip block use, can be at the in-process of turning and milling platy article, fix platy article's top, just so at the in-process of processing, just can avoid platy article to produce the slip and lead to its condition of slope, and then can increase the practicality of device.

Drawings

FIG. 1 is a cross-sectional view of the present utility model;

FIG. 2 is a front view of the present utility model;

fig. 3 is an enlarged view of the portion a of the present utility model.

In the figure: 1. a work table; 2. mounting a cross bar; 3. a clamping assembly; 301. a driving motor; 302. a rotating lever; 303. a rotating rod; 304. bevel gears; 305. a cam; 306. a belt pulley; 307. a belt; 308. a first gear; 309. a second gear; 310. a rotating shaft; 4. an auxiliary component; 401. sliding the sleeve; 402. a clamping plate; 403. fixing the side plates; 404. a threaded rod; 405. and an upper clamping plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a positioning fixture for milling machine, including workstation 1, clamping component 3 and auxiliary assembly 4, the inside of workstation 1 is seted up flutedly, the both sides inner wall fixed mounting of recess has installation horizontal pole 2, clamping component 3 locates on the workstation 1, clamping component 3 includes driving motor 301 and cam 305, the quantity of cam 305 is two sets of, driving motor 301 is used for driving two sets of cams 305 and rotates, auxiliary assembly 4 locates on the installation horizontal pole 2, auxiliary assembly 4 includes threaded rod 404 and last grip block 405, threaded rod 404 is used for driving last grip block 405 to go up and down, carry out the centre gripping with the article, the quantity of installation horizontal pole 2 is two sets of, the opening that can supply the connecting plate activity has been seted up at the top of workstation 1.

Further, the clamping assembly 3 further comprises a rotating rod 302, a rotating rod 303, bevel gears 304, belt pulleys 306, belts 307, a first gear 308 and a second gear 309, a transmission groove is formed in the workbench 1, a driving motor 301 is fixedly installed at the bottom of the inner side of the transmission groove, the bevel gears 304 are fixedly installed on the rotating shaft of the driving motor 301, the rotating rod 302 is rotatably installed at the top of the workbench 1, one end of the rotating rod 302 penetrates through the transmission groove and extends to the lower side of the workbench 1, the bevel gears 304 are fixedly installed on the outer wall of the rotating rod 302, the bevel gears 304 are in two groups, the bevel gears 304 are meshed with the two groups, the rotating rod 303 is rotatably installed at the top of the workbench 1, one end of the rotating rod 303 extends to the lower side of the workbench 1 and is fixedly provided with the second gear 309, a rotating shaft 310 is rotatably installed at the bottom of the workbench 1, the outer wall of the rotating shaft 310 and the outer wall of the rotating rod 302 are fixedly provided with the belt pulleys 306, the two groups of the rotating rod 306 are in transmission connection through the belts 307, the outer wall of the rotating rod 302 and the outer wall of the belt pulleys 303 are fixedly provided with the motor 305, the driving motor 305 is controlled by the cams 305, the driving motor 305 is driven by the rotating rod 307, and the rotating rod 301 can be driven by the rotating shaft 307 and the second gear 305 and the rotating shaft of the rotating rod 305, and the rotary shaft is required to rotate by the second gear 309, the rotating shaft 309, the second gear 309 and the rotating shaft 309.

Still further, auxiliary assembly 4 still includes slip collar 401, grip block 402 and fixed curb plate 403, the outer wall slidable mounting of installation horizontal pole 2 has slip collar 401, the top fixed mounting of slip collar 401 has the connecting plate, the top fixed mounting of connecting plate has grip block 402, one side fixed mounting of grip block 402 has fixed curb plate 403, threaded rod 404 is installed to the top screw thread of fixed curb plate 403, the one end of threaded rod 404 extends to the below of fixed curb plate 403 and rotates installs grip block 405, one side fixed mounting of last grip block 405 has the slider, the spout has been seted up to the inside of grip block 402, slider slidable mounting is in the spout, go up grip block 405 and grip block 402 for slidable mounting, the bottom of going up grip block 405 is pasted and is fixed with the protection pad, the inside of fixed curb plate 403 has been seted up with threaded rod 404 assorted screw groove, rotate threaded rod 404 and drive and go up grip block 405 and remove, can be fixed in the top of turning plate-shaped article, like article in-like in-process, like article's the in-process of turning, just so can avoid the plate article to produce the slip and lead to its condition of slope, and then can increase the practicality of device.

Working principle: when the clamping device is used, an article is placed on the workbench 1, the driving motor 301 is controlled to start, the driving motor 301 drives the bevel gear 304 to rotate, the bevel gear 304 rotates to drive the rotating rod 302 and the cam 305 to rotate, and the cam 305 on the rotating rod 303 is driven to rotate through the belt pulley 306, the belt 307, the first gear 308 and the second gear 309, so that the article can be clamped, when the plate-shaped article is clamped, the threaded rod 404 can be rotated to drive the upper clamping plate 405 to move, the upper part of the plate-shaped article is clamped, and then the clamping stability can be improved.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. A positioning fixture for a milling machine is characterized in that: comprising the following steps:

the workbench (1) is internally provided with a groove, and the inner walls of the two sides of the groove are fixedly provided with mounting cross bars (2);

the clamping assembly (3) is arranged on the workbench (1), the clamping assembly (3) comprises a driving motor (301) and cams (305), the number of the cams (305) is two, and the driving motor (301) is used for driving the two groups of cams (305) to rotate;

the auxiliary assembly (4) is arranged on the mounting cross rod (2), the auxiliary assembly (4) comprises a threaded rod (404) and an upper clamping plate (405), and the threaded rod (404) is used for driving the upper clamping plate (405) to lift and clamp an article.

2. A positioning fixture for a milling machine as claimed in claim 1, wherein: the clamping assembly (3) further comprises a rotating rod (302), a rotating rod (303), umbrella gears (304), belt pulleys (306), belts (307), a first gear (308) and a second gear (309), wherein a transmission groove is formed in the workbench (1), a driving motor (301) is fixedly arranged at the bottom of the inner side of the transmission groove, the umbrella gears (304) are fixedly arranged on a rotating shaft of the driving motor (301), the rotating rod (302) is rotatably arranged at the top of the workbench (1), one end of the rotating rod (302) penetrates through the transmission groove and extends to the lower side of the workbench (1), the rotating rod (302) is fixedly arranged on the outer wall of the rotating rod (302) positioned in the transmission groove, the umbrella gears (304) are fixedly arranged on the outer wall of the rotating rod (302), the umbrella gears (304) are two groups, the umbrella gears (304) are meshed, the rotating rod (303) is rotatably arranged at the top of the workbench (1), one end of the rotating rod (303) extends to the lower side of the workbench (1) and is fixedly arranged with the second gear (309), the rotating shaft (310) is rotatably arranged at the bottom of the workbench (1), the outer wall of the rotating shaft (310) penetrates through the transmission groove and the belt pulleys (306) respectively, the belt pulleys (306) are fixedly arranged on the outer wall of the rotating rod (302), the belt pulleys (306) and the two groups are connected through the belt pulleys (306), the outer wall of the rotating rod (302) and the outer wall of the rotating rod (303) are fixedly provided with cams (305).

3. A positioning fixture for a milling machine as claimed in claim 2, wherein: the auxiliary assembly (4) further comprises a sliding sleeve (401), a clamping plate (402) and a fixed side plate (403), the sliding sleeve (401) is slidably mounted on the outer wall of the mounting cross rod (2), a connecting plate is fixedly mounted at the top of the sliding sleeve (401), the clamping plate (402) is fixedly mounted at the top of the connecting plate, the fixed side plate (403) is fixedly mounted on one side of the clamping plate (402), a threaded rod (404) is mounted on the top thread of the fixed side plate (403), and one end of the threaded rod (404) extends to the lower portion of the fixed side plate (403) and rotates to mount the upper clamping plate (405).

4. A positioning fixture for a milling machine as claimed in claim 3, wherein: one side of the upper clamping plate (405) is fixedly provided with a sliding block, a sliding groove is formed in the clamping plate (402), the sliding block is slidably arranged in the sliding groove, and the upper clamping plate (405) and the clamping plate (402) are slidably arranged.

5. The positioning jig for a milling machine according to claim 4, wherein: the number of the mounting cross bars (2) is two, and the top of the workbench (1) is provided with an opening for the connecting plate to move.

6. The positioning jig for a milling machine according to claim 5, wherein: the bottom of the upper clamping plate (405) is fixedly stuck with a protection pad.

7. The positioning jig for a milling machine according to claim 6, wherein: the inside of fixed curb plate (403) is seted up and is matchd the screw thread groove of threaded rod (404).