CN220028713U

CN220028713U - Belt pulley processing internal expansion positioning device

Info

Publication number: CN220028713U
Application number: CN202321417286.4U
Authority: CN
Inventors: 薛庆坤; 林达; 曲士刚
Original assignee: Dalian Yingxin Mechanical And Electrical Co ltd
Current assignee: Dalian Yingxin Mechanical And Electrical Co ltd
Priority date: 2023-06-06
Filing date: 2023-06-06
Publication date: 2023-11-17
Anticipated expiration: 2033-06-06

Abstract

The utility model discloses an internal expansion positioning device for belt pulley processing, which relates to the technical field of machining and comprises a main support, wherein a rotating seat penetrates through the head of the main support, a tension part is arranged in front of the rotating seat, a support is arranged behind the main support, an air cylinder and a motor are respectively arranged in the middle and the top of the support, the rotating seat comprises a rotary table and a flange sleeve, the tail of the flange sleeve is linked with the output end of the motor through a transmission belt, the tension part comprises a push rod, a shaft sleeve seat, a connecting rod and a tension claw, and the root of the push rod can be in contact with the head of the air cylinder. The utility model has compact overall design structure, realizes rotary work of a rotary seat by a motor providing power and a driving belt, realizes tensioning work by pushing a push rod by a cylinder, has simple process steps, can realize quick tensioning positioning work, can realize full-automatic production by matching with the feeding of the existing mechanical arm, has small overall design volume, and can be provided with a plurality of sets of equipment to improve the efficiency and the productivity.

Description

Belt pulley processing internal expansion positioning device

Technical Field

The utility model relates to the technical field of machining, in particular to an internal expansion positioning device for belt pulley machining.

Background

The belt pulley belongs to the hub parts, and is generally relatively large in size, and the manufacturing process is mainly cast and forged. The large-size design is cast, the materials are cast iron (good casting performance), and cast steel is rarely used (poor casting performance); typically smaller in size, can be designed to be forged and is made of steel. The belt pulley is mainly used for the occasion of long-distance transmission power, also can be used for the output of some small-size diesel engine power, if need to use the mould to the processing of external surface (milling flutes), for example this patent CN201922409847.6 a frock clamp of processing belt pulley, this patent cooperates the processing of surface can be accomplished to current equipment, but frock clamp is still loaded down with trivial details on the operation, need dismantle the screw, I know that design a positioner processing of internal expanding, efficiency can further improve.

Disclosure of Invention

The utility model aims to provide a belt pulley processing internal expansion positioning device so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a belt pulley processing internal expanding positioner, includes total support, and the swivel mount has been worn to the head of total support, the place ahead of swivel mount is equipped with the tight portion that rises, the rear of total support is equipped with the support, the middle part and the top of support are equipped with cylinder and motor respectively, the swivel mount includes carousel and flange cover, the flange cover afterbody passes through the drive belt linkage with the output of motor, the tight portion that rises includes push rod, axle sleeve seat, connecting rod and tight claw that rises, the root of push rod can be with the head contact of cylinder.

Further: the head of flange cover passes through the bolt fastening at the rear of carousel, the afterbody of flange cover passes the head of total support, and the place ahead evenly distributed of carousel has the connecting seat, and the root of tight claw that rises is installed on the connecting seat through the round pin axle, the axle sleeve seat passes through the connecting rod and is connected with the middle part of tight claw that rises, the push rod wears in the centre of axle sleeve seat, and the centre at the carousel is worn at the rear of axle sleeve seat.

Further: the rear of axle sleeve seat is equipped with spring and nut in proper order, the spring housing is on the push rod, and the nut passes through threaded connection at the rear of push rod, the head of tight claw that rises is equipped with the arc piece, wear to have the pin in the middle of the arc piece and connect it at the head of tight claw that rises.

Preferably: the rear of the flange sleeve is sequentially provided with a thrust bearing and a clamp spring, the outer part of the tail of the flange sleeve is provided with a tooth slot matched with a driving belt, and the head of the motor is provided with a driving wheel matched with the driving belt.

Preferably: the annular array of the tensioning parts is distributed in front of the swivel base, at least three tensioning claws are arranged, blind holes are formed in the root of the push rod, the head of the air cylinder can be inserted into the blind holes in a clearance mode, the air cylinder can freely rotate after pushing and propping, and outsourcing movable parts can be replaced.

Compared with the prior art, the utility model has the beneficial effects that: the utility model has compact overall design structure, realizes rotary work of a rotary seat by a motor providing power and a driving belt, realizes tensioning work by pushing a push rod by a cylinder, has simple process steps, can realize quick tensioning positioning work, can realize full-automatic production by matching with the feeding of the existing mechanical arm, has small overall design volume, and can be provided with a plurality of sets of equipment to improve the efficiency and the productivity.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

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

FIG. 3 is a schematic cross-sectional view of A-A;

FIG. 4 is an enlarged schematic view at B;

FIG. 5 is a state diagram of the present utility model;

FIG. 6 is an enlarged schematic view at C;

FIG. 7 is a diagram illustrating the operation of the present utility model.

In the figure: 1. the device comprises a main support, 2, a swivel base, 3, a tensioning part, 4, a bracket, 5, a cylinder, 6, a motor, 7, a driving belt, 8, a thrust bearing, 9, a clamp spring, 10, a workpiece, 201, a turntable, 202, a flange sleeve, 203, a connecting seat, 301, a push rod, 302, a shaft sleeve seat, 303, a spring, 304, a nut, 305, a connecting rod, 306, a tensioning claw, 307, an arc block, 308 and a pin.

Detailed Description

The present utility model will be described below based on embodiments with reference to the accompanying drawings in the embodiments of the present utility model, but it should be understood that the present utility model is not limited to these embodiments, and in the following detailed description of the present utility model, some specific details are described in detail, however, for the portions not described in detail, the present utility model will be fully understood by those skilled in the art.

Furthermore, those of ordinary skill in the art will appreciate that the drawings are provided solely for the purposes of illustrating the objects, features, and advantages of the utility model and that the drawings are not necessarily drawn to scale.

Meanwhile, unless the context clearly requires otherwise, throughout the description and the claims, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, it is the meaning of "including but not limited to".

Referring to fig. 1 to 7, the present utility model provides a technical solution: including total support 1, the swivel mount 2 has been worn to the head of total support 1, the place ahead of swivel mount 2 is equipped with the tight portion that rises 3, the rear of total support 1 is equipped with support 4, the middle part and the top of support 4 are equipped with cylinder 5 and motor 6 respectively, swivel mount 2 includes carousel 201 and flange cover 202, the output of flange cover 202 afterbody and motor 6 passes through 7 linkages of drive belt, tight portion 3 that rises includes push rod 301, axle sleeve seat 302, connecting rod 305 and tight claw 306 that rises, the root of push rod 301 can be with the head contact of cylinder 5.

The head of flange cover 202 passes through the bolt fastening at the rear of carousel 201, the afterbody of flange cover 202 passes the head of total support 1, and the place ahead evenly distributed of carousel 201 has connecting seat 203, and the root of tensioning claw 306 is installed on connecting seat 203 through the round pin axle, boss 302 passes through connecting rod 305 and tensioning claw 306's middle part is connected, push rod 301 wears in the centre of boss 302, and the centre at carousel 201 is worn at the rear of boss 302.

The rear of the shaft sleeve base 302 is sequentially provided with a spring 303 and a nut 304, the spring 303 is sleeved on the push rod 301, the nut 304 is connected to the rear of the push rod 301 through threads, the head of the tensioning claw 306 is provided with an arc-shaped block 307, and a pin 308 penetrates through the middle of the arc-shaped block 307 to connect the arc-shaped block with the head of the tensioning claw 306.

The rear of the flange sleeve 202 is sequentially provided with a thrust bearing 8 and a clamp spring 9, the outer part of the tail of the flange sleeve 202 is provided with a tooth slot matched with the driving belt 7, and the head of the motor 6 is provided with a driving wheel matched with the driving belt 7.

The tensioning parts 3 are distributed in front of the swivel base 2 in an annular array mode, at least three tensioning claws 306 are arranged, blind holes are formed in the root of the push rod 301, the head of the air cylinder 5 can be inserted into the blind holes in a clearance mode, or a ball head is welded to the tail of the push rod 301, and after the head of the air cylinder 5 is tightly propped against the push rod 301, the push rod can freely rotate without obstruction.

When the utility model is used, the initial state is as shown in figure 1, the motor 6 adopts a stepping motor or a servo motor, the rotation of the motor 6 is controlled to drive the transmission belt 7 and the rotary seat 2, when the workpiece 10 needs to be processed, the workpiece 10 is buckled at the front end of the tensioning part 3, the inflatable head of the control cylinder 5 stretches out to move forward against the push rod 301, the tensioning claw 306 is driven by the connecting rod 305 to realize the outward expansion due to the action of the spring 303, the outer surface of the arc-shaped block 307 is attached to the inner wall of the workpiece 10 to realize the tensioning fixation, then the motor 6 is controlled to carry out the indexing rotation, then the outer wall milling groove of the workpiece 10 is processed through the prior equipment, the whole design structure is compact, the step is simple and quick, the full-automatic production can be realized if the prior mechanical arm is matched, the efficiency is high, the friction force reducing precision of the ball bearing can be increased between the rotary seat 2 and the main support 1, the utility model belongs to the common means in the field, the whole realization effect is not influenced, and the novel realization of multiple sets can be realized, and the capacity is improved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Belt pulley processing internal expanding positioner, including total support (1), its characterized in that: the head of total support (1) is worn to have swivel mount (2), the place ahead of swivel mount (2) is equipped with tight portion (3) that rises, the rear of total support (1) is equipped with support (4), the middle part and the top of support (4) are equipped with cylinder (5) and motor (6) respectively, swivel mount (2) are including carousel (201) and flange cover (202), the output of flange cover (202) afterbody and motor (6) is through drive belt (7) linkage, tight portion (3) that rises includes push rod (301), axle sleeve seat (302), connecting rod (305) and tight claw (306) that rises, the root of push rod (301) can be with the head contact of cylinder (5).

2. The pulley machining internal expansion positioning device according to claim 1, wherein: the flange sleeve is characterized in that the head of the flange sleeve (202) is fixed at the rear of the turntable (201) through bolts, the tail of the flange sleeve (202) penetrates through the head of the total support (1), connecting seats (203) are uniformly distributed in front of the turntable (201), the root of a tensioning claw (306) is mounted on the connecting seats (203) through a pin shaft, a shaft sleeve base (302) is connected with the middle of the tensioning claw (306) through a connecting rod (305), a push rod (301) penetrates through the middle of the shaft sleeve base (302), and the rear of the shaft sleeve base (302) penetrates through the middle of the turntable (201).

3. The pulley machining internal expansion positioning device according to claim 2, wherein: the rear of axle sleeve seat (302) is equipped with spring (303) and nut (304) in proper order, spring (303) cover is on push rod (301), and nut (304) pass through threaded connection at the rear of push rod (301), the head of tensioning claw (306) is equipped with arc piece (307), wear pin (308) in the centre of arc piece (307) and connect it at the head of tensioning claw (306).

4. The pulley machining internal expansion positioning device according to claim 2, wherein: the rear of the flange sleeve (202) is sequentially provided with a thrust bearing (8) and a clamp spring (9), a tooth slot is arranged outside the tail of the flange sleeve (202) and is matched with the driving belt (7), and the head of the motor (6) is provided with a driving wheel and is also matched with the driving belt (7).

5. The pulley machining internal expansion positioning device according to claim 1, wherein: the tensioning parts (3) are distributed in front of the rotary seat (2) in an annular array mode, at least three tensioning claws (306) are arranged, blind holes are formed in the root of the push rod (301), and the head of the air cylinder (5) can be inserted into the blind holes in a clearance mode.