CN209970559U

CN209970559U - Thin-wall part clamp with uniform stress

Info

Publication number: CN209970559U
Application number: CN201920848325.3U
Authority: CN
Inventors: 谢芳桂
Original assignee: NANCHANG HONGDU AUTO PARTS MANUFACTURE CO Ltd
Current assignee: NANCHANG HONGDU AUTO PARTS MANUFACTURE CO Ltd
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2020-01-21
Anticipated expiration: 2029-06-06

Abstract

The utility model discloses an even thin wall part anchor clamps of atress, including box and an internal thread section of thick bamboo, the top of box is provided with an internal thread section of thick bamboo, and the middle part of box top both sides all is connected with first centre gripping subassembly through stop gear, and the middle part of box top both sides and the position that is close to first centre gripping subassembly all are provided with second centre gripping subassembly. The utility model discloses a first centre gripping subassembly can arrange annular thin wall part in between two first centre gripping subassemblies, through driver and controller, can be so that slewing mechanism function, through slewing mechanism, cooperation stopper and pivot can make an internal thread section of thick bamboo rotate, and then make first threaded rod and second threaded rod relative movement to make second centre gripping subassembly remove to the direction of first centre gripping subassembly to inconsistent with annular thin wall part, realized annular thin wall part's fixed.

Description

Thin-wall part clamp with uniform stress

Technical Field

The utility model relates to an anchor clamps specifically are an even thin wall part anchor clamps of atress.

Background

The jig is a device for fixing a processing object to occupy a correct position for receiving construction or inspection in a machine manufacturing process, and is also called a jig. In a broad sense, any device used to quickly, conveniently and safely mount a workpiece at any stage in a process may be referred to as a jig.

At present, when the clamp is used for clamping the annular thin-wall part, the annular thin-wall part is likely to deform under the action of the clamping force of the clamp, and the practicability is low. Therefore, the improvement is made, and the thin-wall part clamp with uniform stress is provided.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a thin-wall part clamp with uniform stress, which comprises a box body and an internal thread cylinder, wherein the top of the box body is provided with the internal thread cylinder, the middle parts of the two sides of the top end of the box body are connected with a first clamping component through a limiting mechanism, the middle parts of the two sides of the top end of the box body and the part close to the first clamping component are provided with second clamping components, the internal thread cylinder is positioned between the two second clamping components, the two sides inside the internal thread cylinder are respectively in threaded connection with a first threaded rod and a second threaded rod, the thread directions of the first threaded rod and the second threaded rod are opposite, one end of the first threaded rod and one end of the second threaded rod are respectively connected with the two second clamping components, the two sides of the internal thread cylinder are inserted with limiting blocks, the connecting part of the limiting blocks and the internal thread cylinder is embedded with a, the inside of box is provided with the slewing mechanism who is used for rotating an internal thread section of thick bamboo, the front of box is equipped with the chamber door, one side of box is fixed controller and the driver of being equipped with in the past backward in proper order, the driver passes through controller and external power supply electric connection.

As a preferred technical scheme of the utility model, stop gear includes the forked tail slider, the dovetail has been seted up between first centre gripping subassembly and the second centre gripping subassembly, dovetail and forked tail slider sliding connection.

As a preferred technical scheme of the utility model, a plurality of screw holes have been seted up at the impartial distance in top of the positive both sides of box, and a plurality of screw holes communicate with each other with the dovetail, one of them screw hole threaded connection has the bolt, and the bolt passes screw hole and forked tail slider threaded connection.

As a preferred technical scheme of the utility model, first centre gripping subassembly comprises head rod and supporting shoe, the bottom of head rod and the top fixed connection of forked tail slider, the bottom fixed connection of one side of supporting shoe and head rod one side, and the position of one side of head rod and exposure in the supporting shoe is the arc setting.

As a preferred technical scheme of the utility model, the second centre gripping subassembly comprises the second connecting rod and supports the piece, two second connecting rod one side of second centre gripping subassembly respectively with the one end fixed connection of first threaded rod and second threaded rod, support the top fixed connection of one side and second connecting rod opposite side of piece, and support the opposite side of piece and be the arc setting.

As a preferred technical scheme of the utility model, slewing mechanism includes step motor, step motor fixed mounting is in the inside of box, and step motor and driver electric connection ei, step motor's the fixed transfer line that is equipped with in pivot.

As a preferred technical scheme of the utility model, the one end of transfer line is passed the box and is fixed and be equipped with first bevel gear, first bevel gear meshing is connected with second bevel gear, second bevel gear alternates fixedly with the middle part of an internal thread section of thick bamboo.

The utility model has the advantages that: the thin-wall part clamp with uniform stress can arrange an annular thin-wall part between two first clamping components through the first clamping components, can enable a rotating mechanism to operate through a driver and a controller, can enable an internal thread cylinder to rotate through the rotating mechanism by matching with a limiting block and a rotating shaft, further enables a first threaded rod and a second threaded rod to relatively move, further enables the second clamping component to move towards the direction of the first clamping component to be abutted against the annular thin-wall part, realizes the fixation of the annular thin-wall part, simultaneously enables a first connecting rod and an abutting block to be in point contact with the annular thin-wall part due to the arc arrangement of the first connecting rod and the abutting block, further enables the annular thin-wall part to be uniformly stressed, avoids the deformation generated in the clamping process of the annular thin-wall part, and can adjust the distance between the two first clamping components through the limiting mechanism, and then can the annular thin wall part of different diameters of centre gripping, improve the practicality.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic front view of the thin-walled part clamp of the present invention with uniform stress;

FIG. 2 is a schematic view of the sectional structure of the thin-walled part clamp of the present invention with uniform stress;

fig. 3 is a schematic top view of the thin-walled part clamp of the present invention.

In the figure: 1. a box body; 2. an internal threaded barrel; 3. a limiting mechanism; 301. a dovetail slide block; 302. a bolt; 4. a first clamping assembly; 401. a first connecting rod; 402. a support block; 5. a second clamping assembly; 501. a second connecting rod; 502. a resisting block; 6. a first threaded rod; 7. a second threaded rod; 8. a limiting block; 9. a bearing; 10. a rotating mechanism; 1001. a stepping motor; 1002. a transmission rod; 1003. a first bevel gear; 1004. a second bevel gear; 11. a controller; 12. a driver.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in figures 1, 2 and 3, the utility model relates to a thin-wall part clamp with uniform stress, which comprises a box body 1 and an internal thread cylinder 2, wherein the internal thread cylinder 2 is arranged at the top of the box body 1, the middle parts of the two sides of the top end of the box body 1 are both connected with a first clamping component 4 through a limiting mechanism 3, the middle parts of the two sides of the top end of the box body 1 and the part close to the first clamping component 4 are both provided with a second clamping component 5, the internal thread cylinder 2 is positioned between the two second clamping components 5, the two sides inside the internal thread cylinder 2 are respectively in threaded connection with a first threaded rod 6 and a second threaded rod 7, the thread directions of the first threaded rod 6 and the second threaded rod 7 are opposite, one end of the first threaded rod 6 and one end of the second threaded rod 7 are respectively connected with the two second clamping components 5, two sides of the internal thread cylinder 2 are inserted with limiting blocks 8, and, the inner ring of the bearing 9 is fixedly connected with the internal thread cylinder 2, a rotating mechanism 10 for rotating the internal thread cylinder 2 is arranged in the box body 1, a box door is arranged on the front surface of the box body 1, a controller 11 and a driver 12 are sequentially and fixedly arranged on one side of the box body 1 from front to back, the controller 11 and the driver 12 are preferably a TPC8-8TD type controller and an XDL-542 type driver respectively, and the driver 12 is electrically connected with an external power supply through the controller 11.

The limiting mechanism 3 comprises a dovetail slide block 301, a dovetail groove is formed between the first clamping assembly 4 and the second clamping assembly 5, and the dovetail groove is connected with the dovetail slide block 301 in a sliding mode; a plurality of screw holes are formed in the top of the two sides of the front face of the box body 1 at equal intervals, the screw holes are communicated with the dovetail groove, one screw hole is in threaded connection with a bolt 302, the bolt 302 penetrates through the screw hole to be in threaded connection with the dovetail slider 301, the distance between the two first clamping assemblies 4 can be adjusted through the dovetail slider 301 and the bolt 302, and then annular thin-wall parts with different diameters can be clamped, and the practicability is improved.

The first clamping assembly 4 is composed of a first connecting rod 401 and a supporting block 402, the bottom end of the first connecting rod 401 is fixedly connected with the top end of the dovetail slider 301, one side of the supporting block 402 is fixedly connected with the bottom of one side of the first connecting rod 401, and the part of one side of the first connecting rod 401 exposed out of the supporting block 402 is in an arc shape.

The second clamping assemblies 5 are composed of second connecting rods 501 and abutting blocks 502, one sides of the second connecting rods 501 of the two second clamping assemblies 5 are fixedly connected with one ends of the first threaded rod 6 and the second threaded rod 7 respectively, one side of the abutting block 502 is fixedly connected with the top of the other side of the second connecting rods 501, and the other side of the abutting block 502 is arranged in an arc shape.

The rotating mechanism 10 comprises a stepping motor 1001, the stepping motor 1001 is preferably an SC42 stepping motor, the stepping motor 1001 is fixedly installed inside the box body 1, the stepping motor 1001 is electrically connected with the driver 12, and a rotating shaft of the stepping motor 1001 is fixedly provided with a transmission rod 1002; one end of the transmission rod 1002 penetrates through the box body 1 and is fixedly provided with a first bevel gear 1003, the first bevel gear 1003 is meshed with a second bevel gear 1004, the second bevel gear 1004 is fixed to the middle of the internal thread cylinder 2 in an inserting mode, the controller 11 is used for matching with the driver 12, the stepping motor 1001 works, the rotation of the stepping motor 1001 drives the transmission rod 1002 to rotate forwards and backwards, the first bevel gear 1003 is driven to rotate along with the rotation of the transmission rod 1002, the second bevel gear 1004 is meshed with the first bevel gear 1003 and is connected with the second bevel gear 1003, the second bevel gear 1004 is driven to rotate, the limiting block 8 and the bearing 9 are used for enabling the internal thread cylinder 2 to rotate forwards and backwards, the thread directions of the first threaded rod 6 and the second threaded rod 7 are opposite, and the first threaded rod 6.

When the device works, two sides of the annular thin-wall part are arranged on the supporting blocks 402 of the two first clamping components 4 and are contacted with the arc-shaped part of the first connecting rod 401, the controller 11 is matched with the driver 12, so that the stepping motor 1001 works, the rotation of the stepping motor 1001 drives the driving rod 1002 to rotate forwards and backwards, the first bevel gear 1003 is driven to rotate along with the rotation of the driving rod 1002, the second bevel gear 1004 is meshed with the first bevel gear 1003 to drive the second bevel gear 1004 to rotate, the internal thread cylinder 2 rotates forwards and backwards under the action of the limiting block 8 and the bearing 9, the first threaded rod 6 and the second threaded rod 7 relatively move due to the opposite thread directions of the first threaded rod 6 and the second threaded rod 7, so that the second clamping component 5 is pushed to move towards the direction of the first clamping component 4, when the abutting block 502 of the second clamping component 5 is contacted with the annular thin-wall part, and then fix the annular thin wall part between head rod 401 and support piece 502, realized the fixed of annular thin wall part, simultaneously because head rod 401 with support piece 502 and be the arc setting, make head rod and support piece and annular thin wall part be the point contact, and then make annular thin wall part atress even, the in-process of having avoided the centre gripping of annular thin wall part produces deformation, through forked tail slider 301 and bolt 302, can adjust the interval of two first centre gripping subassemblies 4, and then can the annular thin wall part of different diameters of centre gripping, and the practicality is improved.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The thin-wall part clamp with uniform stress comprises a box body (1) and an internal thread cylinder (2), and is characterized in that the internal thread cylinder (2) is arranged at the top of the box body (1), the middle parts of two sides of the top end of the box body (1) are connected with a first clamping component (4) through a limiting mechanism (3), the middle parts of two sides of the top end of the box body (1) and the parts close to the first clamping component (4) are provided with second clamping components (5), the internal thread cylinder (2) is positioned between the two second clamping components (5), two sides of the inner part of the internal thread cylinder (2) are respectively in threaded connection with a first threaded rod (6) and a second threaded rod (7), the thread directions of the first threaded rod (6) and the second threaded rod (7) are opposite, one end of the first threaded rod (6) and one end of the second threaded rod (7) are respectively connected with the two second clamping components (5), stopper (8) have been alternate to the both sides of an internal thread section of thick bamboo (2), stopper (8) are inlayed with the junction of an internal thread section of thick bamboo (2) and are equipped with bearing (9), and the inner circle and internal thread section of thick bamboo (2) fixed connection of bearing (9), the inside of box (1) is provided with slewing mechanism (10) that are used for rotating an internal thread section of thick bamboo (2), the front of box (1) is equipped with the chamber door, one side of box (1) is fixed controller (11) and driver (12) of being equipped with backward in the past in proper order, driver (12) are through controller (11) and external power supply electric connection.

2. The thin-wall part clamp uniformly stressed according to claim 1, wherein the limiting mechanism (3) comprises a dovetail sliding block (301), a dovetail groove is formed between the first clamping assembly (4) and the second clamping assembly (5), and the dovetail groove is in sliding connection with the dovetail sliding block (301).

3. The thin-wall part clamp uniformly stressed according to claim 2, wherein a plurality of threaded holes are formed in the tops of two sides of the front face of the box body (1) at equal intervals and are communicated with the dovetail groove, one of the threaded holes is in threaded connection with a bolt (302), and the bolt (302) penetrates through the threaded hole to be in threaded connection with the dovetail sliding block (301).

4. The thin-wall part clamp uniformly stressed according to claim 2, wherein the first clamping assembly (4) is composed of a first connecting rod (401) and a supporting block (402), the bottom end of the first connecting rod (401) is fixedly connected with the top end of the dovetail slider (301), one side of the supporting block (402) is fixedly connected with the bottom of one side of the first connecting rod (401), and the part of one side of the first connecting rod (401) exposed out of the supporting block (402) is in an arc shape.

5. The thin-wall part clamp uniformly stressed according to claim 1, wherein the second clamping assemblies (5) are composed of second connecting rods (501) and abutting blocks (502), one sides of the second connecting rods (501) of the two second clamping assemblies (5) are fixedly connected with one ends of the first threaded rod (6) and the second threaded rod (7) respectively, one side of the abutting block (502) is fixedly connected with the top of the other side of the second connecting rod (501), and the other side of the abutting block (502) is arranged in an arc shape.

6. The clamp for the thin-wall parts evenly stressed according to claim 1, wherein the rotating mechanism (10) comprises a stepping motor (1001), the stepping motor (1001) is fixedly installed inside the box body (1), the stepping motor (1001) is electrically connected with a driver (12), and a rotating shaft of the stepping motor (1001) is fixedly provided with a transmission rod (1002).

7. The thin-wall part clamp uniformly stressed according to claim 6, wherein one end of the transmission rod (1002) penetrates through the box body (1) and is fixedly provided with a first bevel gear (1003), the first bevel gear (1003) is in meshing connection with a second bevel gear (1004), and the second bevel gear (1004) is fixedly inserted in the middle of the internally threaded barrel (2).