CN222553305U

CN222553305U - Clamp for machining inner diameter of multi-valve ring

Info

Publication number: CN222553305U
Application number: CN202420607564.0U
Authority: CN
Inventors: 刘世权; 张雪峰; 缪威
Original assignee: CHENGDU RUNFENG ELECTRICAL CARBON CO LTD
Current assignee: CHENGDU RUNFENG ELECTRICAL CARBON CO LTD
Priority date: 2024-03-27
Filing date: 2024-03-27
Publication date: 2025-03-04
Anticipated expiration: 2034-03-27

Abstract

The utility model discloses a clamp for processing the inner diameter of a multi-petal ring, including a base, a clamping mechanism, a clamping disk, a guide disk and a fixed disk, wherein the clamping disk is installed on the top of the base, the guide disk is rotatably sleeved on the base, and the fixed disk is slidably sleeved on the base, a threaded ring is provided on the base, and the top of the threaded ring abuts against the fixed disk. A plurality of pre-clamping seats are slidably provided on the circumference of the clamping disk; a plurality of clamping mechanisms are provided on the circumference between the guide disk and the fixed disk; the clamping mechanism includes a seat body and a linear drive mechanism provided on the seat body, the linear drive mechanism is used to drive two clamping arms to move toward or away from each other, and a multi-petal ring is clamped between adjacent clamping arms. When the utility model is in use, the position of the pre-clamping seat and the position of the adjacent clamping arms can be adjusted according to the inner diameter size of different multi-petal rings, so that the multi-petal ring can be clamped quickly, and the utility model has good practicality.

Description

Clamp for machining inner diameter of multi-valve ring

Technical Field

The utility model belongs to the technical field of graphite multi-ring clamping tools, and particularly relates to a clamp for machining the inner diameter of a multi-ring.

Background

For a multi-valve graphite ring, each valve ring needs to be clamped and fixed. The prior patent CN209774009U discloses a fixture for processing the inner diameter of a multi-valve ring, which comprises an opening tire, a multi-opening tire and a clamp, wherein a groove matched with the multi-valve ring is arranged on one end face of the opening tire, the multi-valve ring is embedded in the groove, the inner diameter of the opening tire is a through hole, an opening is formed by cutting through the inner diameter and the outer diameter, the opening tire is embedded in the multi-opening tire with an adjustable opening, and the clamp is clamped on the outer circumference of the multi-opening tire. Compared with the prior art, the clamp designed by the utility model can realize the inner diameter processing of the split ring after the split ring combination by utilizing the shrinkage and expansion of the opening and the clamping and compressing of the split ring under the action of the clamp, and can better control the coaxiality of the product and improve the manufacturability after the matching size of each part is controlled. However, the existing clamp requires manual multiple tightening, installation and clamping, each with different operation levels and relatively fixed clamping dimensions, and secondly, the clamp tightening operation is complex, sometimes the operator is difficult to independently complete, the clamping operation is inconvenient, and the clamping efficiency is low.

Disclosure of utility model

The present utility model aims to provide a clamp for machining the inner diameter of a multi-valve ring, which aims to solve the problems.

The utility model is realized mainly by the following technical scheme:

The clamp for machining the inner diameter of the multi-valve ring comprises a base, clamping mechanisms, and clamping discs, a guide disc and a fixed disc which are sequentially arranged from top to bottom, wherein the clamping discs are arranged at the top of the base, the guide disc is rotatably sleeved on the base, the fixed disc is slidably sleeved on the base, a threaded ring is arranged on the base, the top of the threaded ring is abutted to the fixed disc, a plurality of pre-clamping seats sliding along the radial direction are arranged on the periphery of the clamping discs, a hollowed-out structure is arranged between every two adjacent pre-clamping seats, an arc-shaped groove is formed in the top of each pre-clamping seat, a plurality of clamping mechanisms are arranged on the periphery between each guide disc and the fixed disc, each clamping mechanism comprises a seat body and a linear driving mechanism arranged on the seat body, two clamping arms are arranged on the linear driving mechanism and are used for driving the two clamping arms to move in opposite directions or back, the bottoms of the clamping arms penetrate through guide grooves on the guide disc and are connected with the linear driving mechanism, and multi-valve rings are arranged between every two adjacent clamping arms.

In order to better realize the utility model, further, the clamping disc comprises a positioning seat and a plurality of sliding arms, wherein the positioning seat is connected with the top of the base, a plurality of sliding arms are arranged on the periphery of the positioning seat, the sliding seats are arranged on the sliding arms in a sliding manner, and the sliding seats are hinged with the pre-clamping seat.

In order to better realize the utility model, further, the inner side wall of the arc-shaped groove is provided with an elastic clamping layer.

In order to better realize the utility model, further, the base is sleeved with the bearing seat, the guide disc is sleeved on the bearing seat, the guide disc is provided with a plurality of guide grooves along the periphery, one end of the base is clamped with the bearing seat, the bottom of the base is detachably connected with the fixed disc, and the side wall of the top is clamped with the bottom of the guide groove.

In order to better realize the utility model, further, the side wall of the bearing seat is provided with a plurality of clamping grooves along the circumferential direction, one end of the seat body is correspondingly provided with clamping bulges, and the fixing disc is provided with a plurality of groups of threaded holes along the circumferential side corresponding to the seat body.

In order to better realize the utility model, the linear driving mechanism further comprises a threaded rod and a rocking handle, wherein the top of the base body is rotatably provided with the threaded rod, one end of the threaded rod extends out of the base body and is connected with the rocking handle, two nut seats with opposite threads are arranged on the threaded rod, and clamping arms are arranged on the nut seats.

In order to better realize the utility model, further, the top of the nut seat passes through the guide groove on the guide disc and is connected with the clamping arm, and the top of the nut seat is connected with the guide groove in a sliding way.

In order to better realize the utility model, further, the clamping arm is of a columnar structure, and the clamping side is provided with an elastic glue layer.

When the multi-ring clamping device is used, the multi-ring clamping device is respectively inserted into the pre-clamping seats on the clamping disc, the pre-fixing of the multi-ring is realized through the pre-clamping seats, then the guiding disc is rotated to enable the guiding groove to be positioned at the hollowed-out position between the adjacent pre-clamping seats, the clamping mechanism is fixed on the fixing disc, and at the moment, the clamping arms on the seat body penetrate through the guiding groove and are positioned on two sides of the multi-ring. The screw thread ring is rotated to enable the fixed disc to be close to the guide disc, the base body is pressed and fixed between the guide disc and the fixed disc, the linear mechanism is driven at the moment, the adjacent two clamping arms clamp and fix the multi-valve ring, and finally the integral clamping position of accurately fixing the multi-valve ring is achieved.

The beneficial effects of the utility model are as follows:

(1) When the multi-ring clamping device is used, the positions of the clamping disc, the guide disc, the fixed disc and the clamping mechanism can be fixed in advance, when the multi-ring clamping device is used, the positions of the pre-clamping seat and the positions of the adjacent clamping arms can be adjusted according to the inner diameter sizes of different multi-rings, the multi-rings can be clamped quickly, the operation is simple and convenient, the linear driving mechanism can be uniformly controlled and driven through the micro motor, the automation is realized, the clamping efficiency of the multi-rings is effectively improved, and the multi-ring clamping device has good practicability;

(2) According to the utility model, the position of the sliding seat can be adjusted through the sliding arm, so that the radial position and the steering angle of the pre-clamping seat can be adjusted, the multi-valve rings with different thicknesses and radians can be conveniently clamped through the arrangement of the elastic clamping layer, meanwhile, the multi-valve rings are protected, and the stability of multi-valve ring inner diameter processing is ensured;

(3) The nut seat is clamped with the bearing seat, the top of the nut seat is clamped with the bottom of the guide groove, the synchronous movement of the seat and the guide groove is conveniently realized, the top of the nut seat extends into the guide groove and is connected with the guide groove in a sliding manner, the fixing disc and the guide disc are fastened through the threaded ring, and the seat is limited and installed. And then the clamping arm is hinged with the top of the nut seat, and the clamping arm is driven to move close to the nut seat through the linear driving mechanism so as to fixedly clamp the multi-valve ring. The utility model has simple structure, convenient operation and better practicability.

Drawings

FIG. 1 is a schematic perspective view of a clamping disk, a guide disk and a fixed disk;

FIG. 2 is a top view of a fixture for machining the inner diameter of a multi-valve ring according to the present utility model;

FIG. 3 is a schematic diagram of a connection structure between a base and a clamping arm of the clamping mechanism;

FIG. 4 is a schematic view of a connection structure of a bearing seat and a base;

Fig. 5 is a schematic diagram of a connection structure between the positioning seat and the sliding arm.

Wherein, 1-base, 2-clamping disc, 3-guiding disc, 4-fixed disc, 5-clamping mechanism, 6-bearing seat, 7-pre-clamping seat, 8-positioning seat, 9-sliding arm, 10-guiding groove, 11-clamping arm, 12-seat body and 13-threaded ring.

Detailed Description

Example 1:

The fixture for machining the inner diameter of the multi-valve ring comprises a base 1, a clamping mechanism 5, and a clamping disc 2, a guide disc 3 and a fixed disc 4 which are sequentially arranged from top to bottom as shown in fig. 1-4. The periphery of the clamping disc 2 is provided with a plurality of pre-clamping seats 7 sliding along the radial direction, a hollow structure is arranged between every two adjacent pre-clamping seats 7, and the top of each pre-clamping seat 7 is provided with an arc-shaped groove. The top of base 1 is through screw fixed mounting having grip block 2, the middle part cover of base 1 is equipped with guide disc 3 and fixed disk 4, fixed fixture 5 that is provided with between guide disc 3 and the fixed disk 4. The clamping mechanism 5 comprises a base 12 and a linear driving mechanism arranged on the base 12, two clamping arms 11 are arranged on the linear driving mechanism, the linear driving mechanism is used for driving the two clamping arms 11 to move oppositely or back to back, the top of each clamping arm 11 penetrates through a guide groove 10 on the guide disc 3 and stretches into the hollowed-out part of the clamping disc 2, and multiple annuluses are clamped between the adjacent clamping arms 11.

Preferably, as shown in fig. 5, the clamping disc 2 includes a positioning seat 8 and a plurality of sliding arms 9, a plurality of sliding arms 9 are disposed on a peripheral side of the positioning seat 8, and the positioning seat 8 may be integrally formed with the sliding arms 9 or detachably connected. Further, a plurality of clamping grooves are formed in the periphery of the positioning seat 8, and the sliding arms 9 are clamped with the clamping grooves. The positions and the number of the slide arms 9 may be set according to the split condition of the multi-annuli. And the positions and the numbers of the clamping mechanisms 5 are correspondingly arranged.

Preferably, the middle part cover of base 1 is equipped with bearing frame 6, the guide disc 3 cover is established and is installed on bearing frame 6, can make guide slot 10 be located adjacent fretwork department between the pre-grip slipper 7 through rotating guide disc 3 to make things convenient for centre gripping arm 11 to the centre gripping of many annuluses. At this time, the base 12 is fixedly mounted on the fixed disk 4, the clamping arm 11 passes through the guide groove 10 and is located at the hollowed portion, the base 12 is fastened between the guide disk 3 and the fixed disk 4 by rotating the threaded ring 13, and when the threaded ring 13 is rotated, the position of the clamping arm 11 needs to be pre-fixed, so that the fixed disk 4 is stably lifted.

Preferably, the linear driving mechanism comprises a threaded rod and a rocking handle, the top of the base body 12 is rotatably provided with the threaded rod, one end of the threaded rod extends out of the base body 12 and is connected with the rocking handle, two nut seats with opposite threads are arranged on the threaded rod, and the clamping arms 11 are arranged on the nut seats.

Preferably, the inner side wall of the arc-shaped groove is provided with an elastic clamping layer. The clamping arm 11 is of a columnar structure, and an elastic adhesive layer is arranged on the clamping side. Preferably, as shown in fig. 3, the clamping arm 11 includes a clamping seat, and a clamping post is disposed on one side of the clamping seat. The inside of grip slipper is provided with the installation cavity, the outside in installation cavity is provided with the spliced pole. The clamping column is made of elastic materials.

When the multi-ring clamping device is used, multi-ring clamping devices are respectively inserted into the pre-clamping seats 7 on the clamping disc 2, the pre-fixing of the multi-ring is realized through the pre-clamping seats 7, then the guiding disc 3 is rotated to enable the guiding grooves 10 to be positioned at the hollowed-out positions between the adjacent pre-clamping seats 7, the clamping mechanism 5 is fixed on the fixed disc 4, and at the moment, the clamping arms 11 on the seat body 12 penetrate through the guiding grooves 10 and are positioned on two sides of the multi-ring. The screw thread ring 13 is rotated to enable the fixed disc 4 to be close to the guide disc 3, the base 12 is pressed and fixed between the guide disc 3 and the fixed disc 4, at the moment, the linear mechanism is driven, the adjacent two clamping arms 11 clamp and fix the multi-valve ring, and finally the integral clamping position of accurately fixing the multi-valve ring is realized.

When the multi-ring clamping device is used, the positions of the clamping disc 2, the guide disc 3, the fixed disc 4 and the clamping mechanism 5 can be fixed in advance, when the multi-ring clamping device is used, the positions of the pre-clamping seat 7 and the positions of the adjacent clamping arms 11 can be adjusted according to the inner diameter sizes of different multi-rings, the multi-rings can be clamped quickly, the operation is simple and convenient, the linear driving mechanism can be uniformly controlled and driven through the micro motor, the automation is realized, the clamping efficiency of the multi-rings is effectively improved, and the multi-ring clamping device has good practicability.

Example 2:

The fixture for machining the multi-valve ring inner diameter comprises a base 1, a clamping mechanism 5, and a clamping disc 2, a guide disc 3 and a fixed disc 4 which are sequentially arranged from top to bottom as shown in fig. 1-5. The top of base 1 demountable installation has grip slipper 2, the week side of grip slipper 2 is provided with a plurality of along radial gliding pre-grip slipper 7, is hollow out construction between the adjacent pre-grip slipper 7, the top of pre-grip slipper 7 is provided with the arc recess. The middle part cover of base 1 is established and is installed bearing frame 6, the outside cover of bearing frame 6 is established and is installed guide disc 3, the slip is provided with fixed disk 4 on the base 1, the bottom of fixed disk 4 is provided with screwed ring 13, screwed ring 13 and base 1 threaded connection for realize lifting fixed disk 4.

The bearing seat 6 is provided with a plurality of clamping grooves along the circumference, one end of the seat body 12 is correspondingly provided with clamping bulges, and the top of the seat body 12 is clamped with the bottom of the guide groove 10. As shown in fig. 1 and 3, a threaded rod is rotatably mounted on the top of the base 12, and one end of the threaded rod extends out of the base 12 and is connected with a driving mechanism. The threaded rod is provided with two nut seats with opposite screw threads, and the nut seats slide through the guide groove 10 and are connected with the clamping arms 11. Preferably, the driving mechanism may be a micro-driving motor or a rocking handle. The clamping arm 11 is hinged or clamped with the top of the nut seat.

Preferably, the bottom of the base 12 is detachably connected with the fixed disk 4, and the fixed disk 4 is provided with a plurality of groups of threaded holes distributed along the radial direction along the peripheral side.

Preferably, the clamping disc 2 comprises a positioning seat 8 and a plurality of sliding arms 9, the positioning seat 8 is connected with the top of the base 1, a plurality of sliding arms 9 are arranged on the periphery of the base 1, sliding seats are arranged on the sliding arms 9 in a sliding manner, and the sliding seats are hinged with the pre-clamping seat 7. Preferably, the inner side wall of the arc-shaped groove is provided with an elastic clamping layer. The clamping arm 11 is of a columnar structure, and an elastic adhesive layer is arranged on the clamping side.

When the multi-ring pre-fixing device is used, the multi-rings are respectively inserted into the arc-shaped grooves of the pre-clamping seat 7 on the clamping disc 2, and the pre-fixing of the multi-rings is realized through the pre-clamping seat 7. Then the guide disc 3 is rotated to enable the guide groove 10 to be located at the hollowed-out position between the adjacent pre-clamping seats 7, one end of the clamping mechanism 5 is clamped with the bearing seat 6, the top is clamped with the bottom of the guide groove 10, and then the threaded ring 13 is rotated to enable the fixing disc 4 to fasten the seat body 12 of the clamping mechanism 5. The base 12 is then fixed to the fixed disk 4 by means of bolts, at which time the top of the nut seat on the base 12 slides through the guide slot 10 and is connected to the clamping arms 11, the two clamping arms 11 being located on either side of the multi-annulus. At this time, the linear mechanism is driven, so that two adjacent clamping arms 11 clamp and fix the multi-valve ring, and finally the integral clamping position of the multi-valve ring is accurately fixed.

The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model in any way, and any simple modification, equivalent variation, etc. of the above embodiment according to the technical matter of the present utility model fall within the scope of the present utility model.

Claims

1. The clamp for machining the inside diameter of the multi-valve ring is characterized by comprising a base (1), clamping mechanisms (5) and a plurality of clamping discs (2), guide discs (3) and fixed discs (4) which are sequentially arranged from top to bottom, wherein the clamping discs (2) are arranged at the top of the base (1), the guide discs (3) are rotatably sleeved on the base (1), the fixed discs (4) are slidably sleeved on the base (1), the base (1) is provided with threaded rings (13), the top of each threaded ring (13) is abutted to the corresponding fixed disc (4), a plurality of radially sliding pre-clamping seats (7) are arranged on the periphery of each clamping disc (2), a hollow structure is arranged between every two adjacent pre-clamping seats (7), a plurality of clamping mechanisms (5) are arranged on the periphery of each guide disc (3) and each fixed disc (4), each clamping mechanism (5) comprises a base body (12) and a linear driving mechanism arranged on the base body (12), two linear driving arms (11) are arranged on the periphery of each clamping disc and are connected with two linear driving arms (11) in a driving mode and penetrate through two linear driving arms (11) to the corresponding clamping arms (11) to move towards the bottom of the corresponding clamping arms (11), a multi-valve ring is clamped between the adjacent clamping arms (11).

2. The clamp for machining the inner diameter of the multi-valve ring according to claim 1, wherein the clamping disc (2) comprises a positioning seat (8) and a plurality of sliding arms (9), the positioning seat (8) is connected with the top of the base (1), the plurality of sliding arms (9) are arranged on the periphery of the positioning seat (8), the sliding seats are arranged on the sliding arms (9) in a sliding mode, and the sliding seats are hinged with the pre-clamping seat (7).

3. A fixture for machining a multi-lobed ring inner diameter as claimed in claim 1 or 2, wherein the arcuate groove inner side wall is provided with a resilient gripping layer.

4. The clamp for machining the inner diameter of the multi-valve ring according to claim 1, wherein the bearing seat (6) is sleeved and installed on the base (1), the guide disc (3) is sleeved and installed on the bearing seat (6), a plurality of guide grooves (10) are formed in the periphery of the guide disc (3), one end of the base body (12) is clamped with the bearing seat (6), the bottom of the base body (12) is detachably connected with the fixed disc (4), and the top side wall is clamped with the bottom of the guide grooves (10).

5. The fixture for machining the inner diameter of the multi-annulus according to claim 4, wherein a plurality of clamping grooves are formed in the side wall of the bearing seat (6) along the circumferential direction, clamping protrusions are correspondingly arranged at one end of the seat body (12), and a plurality of groups of threaded holes are formed in the fixing disc (4) along the circumferential direction corresponding to the seat body (12).

6. The clamp for machining the inner diameter of the multi-valve ring according to claim 1, wherein the linear driving mechanism comprises a threaded rod and a rocking handle, the threaded rod is rotatably arranged at the top of the base body (12), one end of the threaded rod extends out of the base body (12) and is connected with the rocking handle, two nut seats with opposite threads are arranged on the threaded rod, and clamping arms (11) are arranged on the nut seats.

7. A clamp for machining multi-valve ring inner diameters according to claim 6, characterized in that the top of the nut seat is passed through a guide groove (10) on the guide disc (3) and connected with the clamping arm (11), the top of the nut seat being in sliding connection with the guide groove (10).

8. Clamp for machining the inner diameter of multi-annuli according to claim 6 or 7, characterized in that the clamping arms (11) are of cylindrical structure and the clamping sides are provided with an elastic glue layer.