CN214919226U

CN214919226U - Tension adjusting mechanism of cold pilger mill

Info

Publication number: CN214919226U
Application number: CN202120754272.6U
Authority: CN
Inventors: 樊春华; 徐伟彪
Original assignee: Shanghai Panzhihua Machinery Manufacturing Co ltd
Current assignee: Shanghai Panzhihua Machinery Manufacturing Co ltd
Priority date: 2021-04-14
Filing date: 2021-04-14
Publication date: 2021-11-30
Anticipated expiration: 2031-04-14

Abstract

The utility model discloses a tension guiding mechanism of cold pilger mill relates to tension adjustment technical field. The device frame, install adjustment mechanism on the support frame of frame, install tension mechanism between two sets of support frames of frame, the frame internally mounted has fixed establishment. The device is when carrying out the adjustment of tension mechanism, through rotating the handle, make the gear that cup joints at the movable rod surface rotate, make the gear mesh rather than the rack of side, rack one end fixed connection is at the upper surface of second fixed block, when making the gear mesh with the rack, it slides from top to bottom to drive the second compression roller, satisfy the rolling to the rolling material of equidimension not, and only need rotate the handle when adjusting, make the fixed block of frame both sides slide from top to bottom simultaneously, and convenient operation, and enable the power distribution evenly.

Description

Tension adjusting mechanism of cold pilger mill

Technical Field

The utility model relates to a tension adjustment technical field specifically is a tension guiding mechanism of cold pilger mill.

Background

The cold pilger mill is a technological equipment for cold rolling pierced billet by using ring hole form, and said machine possesses good cogging performance, also can be used for rolling non-ferrous metal seamless tube with general accuracy, and is mainly formed from rotary conveying machine mechanism, machine frame, motor, core rod and driving system.

The tension of the cold rolling mill is that a strip steel object is subjected to the tension action between the cold rolling mill and a coiler, the cold rolling mill can perform cold rolling on steel pipes of different sizes, a roller for rolling the pipe body is arranged on a rack, when the material to be rolled passes through the rack, the material is compressed between the rollers, then the rollers are rotated, the material is rolled, the distance between the rollers needs to be adjusted for the cold rolling of different sizes, otherwise, the object is fixed and unstable when the tension action is performed, but the traditional adjusting device is mainly an adjusting screw rod erected on the rack, two ends are required to be separately adjusted when the adjustment is performed, synchronous adjustment cannot be performed, the operation is complex, the tension adjustment cannot be performed on the material to be rolled well, and the tension adjusting mechanism of the cold rolling mill is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model discloses a tension guiding mechanism of cold pilger mill to the not enough of prior art to solve the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a tension adjusting mechanism of a cold pilger mill, comprising:

the device comprises a rack, wherein a regulating mechanism is arranged on a support frame of the rack, and a tension mechanism is arranged between two groups of support frames of the rack;

the adjusting mechanism comprises a movable rod, a gear and a rack, the movable rod is rotatably connected between the support frames of the rack, the gear is fixedly sleeved on the outer surface of the movable rod, and the rack is meshed on one side of the gear;

the tension mechanism comprises a first fixing block, a first compression roller, a second fixing block, a second compression roller and a connecting groove, the connecting groove is formed in the side face of the rack, the first fixing block is fixedly connected to the inner bottom of the connecting groove, the first compression roller is rotatably connected between the first fixing blocks, the second fixing block is slidably connected to the inside of the connecting groove, the second compression roller is rotatably connected between the two groups of second fixing blocks, and one end of the rack is fixedly connected to the upper surface of the second fixing block;

the fixing mechanism is installed inside the rack.

Preferably, adjustment mechanism still includes stopper, handle and hole groove, the stopper is located the both sides of gear, one side fixedly connected with handle that the movable rod extends the frame, the hole groove has been seted up to the upper surface of frame, rack sliding connection is in the inside in hole groove.

Preferably, the tension mechanism further comprises an insertion rod, a first spring and a sleeve, the insertion rod is located on the lower surface of the second fixing block, the sleeve is fixedly connected to the upper surface of the first fixing block, the first spring is movably sleeved inside the sleeve, and the insertion rod is movably inserted inside the sleeve.

Preferably, the fixing mechanism comprises a threaded rod, a groove, a second spring, a pressing plate and a toothed plate, the groove is formed in the frame, the second spring is located in the groove, the pressing plate is slidably connected to the inside of the groove, the toothed plate is fixedly connected between the pressing plates, and the threaded rod is rotatably connected to one side of the toothed plate.

Preferably, the threaded rod is rotatably connected to the upper surface of the rack, and the toothed plate is movably clamped with the gear.

The utility model discloses a tension guiding mechanism of cold pilger mill, its beneficial effect who possesses as follows:

1. the device is when carrying out the adjustment of tension mechanism, through rotating the handle, make the gear that cup joints at the movable rod surface rotate, make the gear mesh rather than the rack of side, rack one end fixed connection is at the upper surface of second fixed block, when making the gear mesh with the rack, it slides from top to bottom to drive the second compression roller, satisfy the rolling to the rolling material of equidimension not, and only need rotate the handle when adjusting, make the fixed block of frame both sides slide from top to bottom simultaneously, and convenient operation, and enable the power distribution evenly.

2. The device accomplishes the back at tension mechanism adjustment, through rotating the threaded rod, make the decurrent pressure of threaded rod push the pinion rack and remove to the direction of being close to the gear, at decurrent in-process, the clamp plate of pinion rack both sides compresses the second spring, make pinion rack and gear joint, make device monolithic stationary, make things convenient for the later stage operation, after using the completion, rotate the threaded rod once more, make it separate with the pinion rack, the pinion rack reconversion under the spring action of spring this moment, the device can adjust once more, the simple operation.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is an exploded view of the adjusting mechanism of the present invention;

FIG. 3 is an exploded view of the tension mechanism of the present invention;

fig. 4 is a plan view of the frame structure of the present invention.

In the figure: 1. a frame; 2. an adjustment mechanism; 201. a movable rod; 202. a gear; 203. a limiting block; 204. a handle; 205. a hole groove; 206. a rack; 3. a tension mechanism; 301. a first fixed block; 302. a first press roll; 303. a second fixed block; 304. a second press roll; 305. inserting a rod; 306. a first spring; 307. a sleeve; 308. connecting grooves; 4. a fixing mechanism; 401. a threaded rod; 402. a groove; 403. a second spring; 404. pressing a plate; 405. a toothed plate.

Detailed Description

The embodiment of the utility model discloses tension guiding mechanism of cold pilger mill, as shown in fig. 1-4, include:

referring to the attached drawing 1, a frame 1 is provided with an adjusting mechanism 2 on a support frame of the frame 1, and a tension mechanism 3 is arranged between two groups of support frames of the frame 1;

referring to fig. 2, the adjusting mechanism 2 includes a movable rod 201, a gear 202 and a rack 206, the movable rod 201 is rotatably connected between the support frames of the rack 1, the gear 202 is fixedly sleeved on the outer surface of the movable rod 201, the rack 206 is engaged with one side of the gear 202, the adjusting mechanism 2 further includes a limit block 203, a handle 204 and a hole groove 205, the limit block 203 is located at two sides of the gear 202, the handle 204 is fixedly connected with one side of the movable rod 201 extending out of the rack 1, the hole groove 205 is formed in the upper surface of the rack 1, and the rack 206 is slidably connected inside the hole groove 205;

referring to fig. 3, the tension mechanism 3 includes a first fixing block 301, a first pressing roller 302, a second fixing block 303, the tension mechanism 3 further comprises an inserting rod 305, a first spring 306 and a sleeve 307, the inserting rod 305 is located on the lower surface of the second fixed block 303, the sleeve 307 is fixedly connected to the upper surface of the first fixed block 301, the first spring 306 is movably sleeved in the sleeve 307, and the inserting rod 305 is movably inserted in the sleeve 307;

referring to fig. 4, fixing mechanism 4 is installed in the inside of frame 1, fixing mechanism 4 includes threaded rod 401, recess 402, second spring 403, clamp plate 404 and pinion rack 405, recess 402 has been seted up to the inside of frame 1, second spring 403 is located the inside of recess 402, the inside sliding connection of recess 402 has clamp plate 404, fixedly connected with pinion rack 405 between the clamp plate 404, one side of pinion rack 405 rotates and is connected with threaded rod 401, threaded rod 401 rotates and connects the upper surface at frame 1, pinion rack 405 and gear 202 swing joint.

The working principle is as follows:

the utility model discloses when initial condition, the inserted bar 305 of second fixed block 303 lower extreme is pegged graft in the sleeve 307 of first fixed block 301 upper surface, and first compression roller 302 is close to mutually with second compression roller 304, and fixed establishment 4 card machine is at the surface of gear 202.

When a material with a larger diameter is encountered, the threaded rod 401 is rotated at the moment, so that the threaded rod 401 moves towards a direction away from the gear 202, the pressure at the upper end of the toothed plate 405 is reduced, the toothed plate returns to the original position under the action of the second spring 403, at the moment, the gear 202 is in an unfixed state, then the handle 204 is rotated, the gear 202 sleeved on the outer surface of the movable rod 201 is rotated, the gear 202 is meshed with the rack 206 on the upper surface of the second fixed block 303, the second pressing roller 304 slides along with the second fixed block 303 towards a direction away from the first pressing roller 302, and the pressure of the inserted link 305 on the first spring 306 is gradually reduced at the moment, so that the second fixed block 303 is supported by the elastic force of a part of the first spring 306 to move upwards, and the distance between the two groups of pressing rollers is adjusted.

After the regulation is accomplished, rotate threaded rod 401 for threaded rod 401 is to the direction removal that is close to gear 202, and the pressure of pinion rack 405 upper end is crescent this moment, makes the clamp plate 404 of pinion rack 405 both sides compress second spring 403 gradually, makes pinion rack 405 and gear 202 looks joint, and gear 202 is in fixed state this moment, and tension mechanism 3 monolithic stationary is stable, conveniently carries out the later stage operation.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a tension guiding mechanism of cold pilger mill which characterized in that includes:

the device comprises a rack (1), wherein a regulating mechanism (2) is installed on a support frame of the rack (1), and a tension mechanism (3) is installed between two groups of support frames of the rack (1);

the adjusting mechanism (2) comprises a movable rod (201), a gear (202) and a rack (206), the movable rod (201) is rotatably connected between the support frames of the rack (1), the gear (202) is fixedly sleeved on the outer surface of the movable rod (201), and the rack (206) is meshed with one side of the gear (202);

the tension mechanism (3) comprises a first fixed block (301), a first pressing roller (302), a second fixed block (303), a second pressing roller (304) and a connecting groove (308), the connecting groove (308) is formed in the side face of the rack (1), the first fixed block (301) is fixedly connected to the inner bottom of the connecting groove (308), the first pressing roller (302) is rotatably connected between the first fixed blocks (301), the second fixed block (303) is connected to the inside of the connecting groove (308) in a sliding mode, the second pressing roller (304) is rotatably connected between the two groups of second fixed blocks (303), and one end of the rack (206) is fixedly connected to the upper surface of the second fixed block (303);

the fixing mechanism (4) is installed inside the rack (1).

2. The tension adjusting mechanism of a cold pilger mill according to claim 1, characterized in that: adjustment mechanism (2) still include stopper (203), handle (204) and hole groove (205), stopper (203) are located the both sides of gear (202), one side fixedly connected with handle (204) of frame (1) is extended in movable rod (201), hole groove (205) have been seted up to the upper surface of frame (1), rack (206) sliding connection is in the inside of hole groove (205).

3. The tension adjusting mechanism of a cold pilger mill according to claim 1, characterized in that: the tension mechanism (3) further comprises an inserting rod (305), a first spring (306) and a sleeve (307), the inserting rod (305) is located on the lower surface of the second fixing block (303), the sleeve (307) is fixedly connected to the upper surface of the first fixing block (301), the first spring (306) is movably sleeved in the sleeve (307), and the inserting rod (305) is movably inserted in the sleeve (307).

4. The tension adjusting mechanism of a cold pilger mill according to claim 1, characterized in that: the fixing mechanism (4) comprises a threaded rod (401), a groove (402), a second spring (403), a pressing plate (404) and a toothed plate (405), the groove (402) is formed in the frame (1), the second spring (403) is located in the groove (402), the pressing plate (404) is connected to the groove (402) in a sliding mode, the toothed plate (405) is fixedly connected between the pressing plates (404), and the threaded rod (401) is connected to one side of the toothed plate (405) in a rotating mode.

5. The tension adjusting mechanism of a cold pilger mill according to claim 4, wherein: threaded rod (401) rotate to be connected at the upper surface of frame (1), pinion rack (405) and gear (202) activity joint.