CN217801231U

CN217801231U - Static and dynamic synchronous spacing adjusting device

Info

Publication number: CN217801231U
Application number: CN202221496421.4U
Authority: CN
Inventors: 葛燕婷; 缪栖涯
Original assignee: Wuxi Zhonghui Hechuang Industrial Technology Co ltd
Current assignee: Wuxi Zhonghui Hechuang Industrial Technology Co ltd
Priority date: 2022-06-15
Filing date: 2022-06-15
Publication date: 2022-11-15
Anticipated expiration: 2032-06-15

Abstract

The application relates to the technical field of synchronous adjusting mechanisms, and particularly discloses a static and dynamic synchronous spacing adjusting device, which comprises a slide rail; the clamping parts are connected to the slide rails in a sliding manner, and two clamping parts are symmetrically arranged on the slide rails; the elastic piece is connected between the two clamping parts; the positioning mechanism is arranged between the two clamping parts and comprises a positive and negative thread stud bolt and an inner stud, the positive and negative thread stud bolt is horizontally and rotatably connected to the slide rail, the inner stud is connected to the positive and negative thread stud bolt, one inner stud bolt is arranged at the end part of the positive and negative thread of the stud bolt and is connected with the slide rail in a sliding manner, and the thread screwing directions of the two inner stud bolts are opposite; and the locking part is arranged on the slide rail. The synchronous accurate interval of both sides is adjusted and is fixed a position to this application, by the centre gripping thing specification can be replaced, centre gripping center is adjustable, and this application simple structure, part easily processing, adjust the precision height, overall structure intensity is higher, is applicable to the impact occasion.

Description

Static and dynamic synchronous spacing adjusting device

Technical Field

The application relates to the technical field of synchronous adjustment mechanisms, in particular to a static and dynamic synchronous spacing adjustment device.

Background

In the process of machining parts, in order to ensure the symmetry, concentricity and the like of the machined parts, the positioning and clamping of the machining of the parts are a very critical ring. The synchronous adjusting positioning device on the market at present usually involves a screw rod, a gear and a rack, however, the positioning device requires many parts processing procedures and high processing requirements. Further, in positioning, positioning accuracy is low, impact resistance is poor, and practical application is limited.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the technical scheme of the application provides a static and dynamic synchronous spacing adjusting device. The technical scheme is as follows:

the application provides a static and dynamic synchronous spacing adjusting device, which comprises a slide rail, a first adjusting device and a second adjusting device, wherein the slide rail is horizontally arranged; the clamping parts are connected to the slide rails in a sliding manner, and two clamping parts are symmetrically arranged on the slide rails; the elastic piece is connected between the two clamping parts; the positioning mechanism is arranged between the two clamping parts and comprises a positive and negative tooth stud bolt which is horizontally and rotatably connected to the slide rail and an inner stud which is rotatably connected to the positive and negative tooth stud bolt, the axial direction of the positive and negative tooth stud bolt is the same as the sliding direction of the clamping parts, one inner stud is arranged at the end part of the positive and negative tooth stud bolt and is connected with the slide rail in a sliding manner, and the thread screwing directions of the two inner studs are opposite; and the locking part is arranged on the sliding rail and is used for locking the two inner studs.

Further, locking portion including fixed connection in the fixed clamp splice of slide rail, with the corresponding locking bolt that sets up of interior stud, the fixed clamp splice has seted up the clamping groove along positive and negative tooth stud's axial, the one end of interior stud is slided and is inserted and establish in the clamping groove, locking bolt sets up the notch in clamping groove is in order to press from both sides tightly interior stud.

Specifically, positive and negative tooth stud wears to locate in the fixed clamp piece, it leads to the groove to open the abdication on the fixed clamp piece, positive and negative tooth stud's polished rod position is in the logical inslot of abdicating.

Particularly, the positive and negative threaded stud is an outer hexagonal positive and negative threaded stud, and the inner stud is a double-pass hexagonal nut column.

Furthermore, the clamping part comprises a sliding seat connected with the sliding rail in a sliding manner, and a clamping arm fixedly connected with the sliding seat, and the appearance of the clamping arm is matched with the outer wall of an external clamping piece.

The bearing seat is characterized by further comprising a pressing block, two inclined planes are arranged on the pressing block, a bearing is arranged on each sliding seat, the axial direction of each bearing is the same as the deformation direction of the elastic piece, the inclined planes are arranged corresponding to the bearing seats, and the inclined planes are abutted to the peripheral walls of the bearing seats.

Particularly, a connecting column is connected to the side wall of the sliding seat, a connecting groove is formed in the peripheral wall of the connecting column, the elastic part is a tension spring, and the end portion of the tension spring is clamped in the connecting groove.

Compared with the prior art, the application has the beneficial effects that: an operator firstly unscrews the locking bolt and adjusts the positions of the two inner studs on the double-stud with the positive and negative teeth according to actual conditions. Then, the hexagonal polish rod part on the positive and negative tooth stud is rotated to drive the two inner studs to move back to back or in opposite directions simultaneously until the use requirements are met. The operator then tightens the locking bolt, limiting the position of the two inner studs. And finally, an operator presses down the pressing block, the pressing block drives the two clamping arms to move back to back, the clamped object is placed between the two clamping arms, the pressing force on the pressing block is released, the elastic potential energy of the tension spring is released, and the two clamping arms are driven to move in opposite directions until the clamped object is clamped. To sum up, this application has realized that the synchronous accurate interval in both sides is adjusted and the location, simultaneously, can be replaced by the centre gripping thing specification, centre gripping center is adjustable, can adapt to the circumstances of different diameters size by the centre gripping thing and by centre offset of centre gripping thing. In addition, this application simple structure, part easily processing, adjust the precision high, simultaneously, overall structure intensity is higher, is applicable to the impact occasion.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the application, in which:

FIG. 1 is a schematic overall structure of the present application;

FIG. 2 is a schematic view of the present application for clamping objects of different specifications;

FIG. 3 is a schematic view of the structure of the clamp with the offset center according to the present application.

Reference numerals: 1. a slide rail; 2. a clamping object; 3. a tension spring; 4. a positive and negative thread stud; 5. an inner stud; 6. fixing the clamping block; 7. locking the bolt; 8. a sliding seat; 9. clamping arms; 10. a bearing; 11. and (5) a compression block.

Detailed Description

The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Further, the present application may repeat reference numerals and/or reference letters in the various examples for simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or arrangements discussed.

In the process of machining parts, in order to ensure symmetry, concentricity and the like of the machined parts, positioning and clamping of the machined parts are very critical rings. The synchronous adjusting positioning device on the market generally relates to a screw rod, a gear and a rack, however, the positioning device needs more zero \ \ machining procedures and has high machining requirements. Further, in positioning, positioning accuracy is low, impact resistance is poor, and practical application is limited.

the present application is described in further detail below with reference to fig. 1-3.

As shown in fig. 1, the present application provides a static and dynamic synchronous spacing adjustment device, which includes a slide rail 1, two clamping portions, a positioning mechanism and a locking portion, wherein the slide rail 1 is horizontally disposed, the two clamping portions are slidably connected to the slide rail 1 and symmetrically disposed on the slide rail 1, and a clamping object 2 is disposed between the two clamping portions.

As shown in fig. 1, the positioning mechanism is disposed on the sliding rail 1 and between the two clamping portions to limit the minimum distance between the two clamping portions. The positioning mechanism is telescopic, and the slide rail 1 is also provided with a locking part for locking the whole length of the positioning mechanism.

As shown in fig. 1, an elastic member is further connected between the two clamping portions, in this embodiment, the elastic member is a tension spring 3, and the tension spring 3 tensions the two clamping portions so that the two clamping portions clamp the clamped object. Simultaneously, clamping part all with positioning mechanism butt, through positioning mechanism in order to realize the synchronous regulation interval and the location of two clamping parts.

As shown in fig. 1, the positioning mechanism includes a front and back threaded stud 4 and an inner stud 5, and the locking portion includes a fixing clamp 6 and a locking bolt 7. Fixed clamp splice 6 fixed connection just is located between two clamping parts on slide rail 1, and positive and negative tooth stud 4 wears to establish fixed clamp splice 6 along the length direction of slide rail 1, and positive and negative tooth stud 4 rotates with fixed clamp splice 6 to be connected.

As shown in fig. 1, one inner stud 5 is arranged at each of two ends of the front and back threaded stud 4, the inner studs 5 are rotatably sleeved on the front and back threaded stud 4, and the thread directions of the two inner studs 5 are opposite. The fixed clamping block 6 is provided with a clamping groove along the axial direction of the front and back thread stud bolts 4, the end parts of the inner stud bolts 5 connected with the front and back thread stud bolts 4 are all inserted in the clamping groove in a sliding mode, the outer diameter of the inner stud bolts 5 is larger than the groove width of the clamping groove, and the inner stud bolts 5 are in sliding fit with the fixed clamping block 6. The locking bolt 7 is arranged at the notch of the clamping groove, the locking bolt 7 and the inner stud 5 are arranged in a one-to-one correspondence mode, and the locking bolt 7 clamps the front and back threaded stud 4 through the notch, so that the position of the inner stud 5 is fixed.

Referring to fig. 2, an operator firstly installs the double-ended bolt with positive and negative teeth 4 and the two inner studs 5 into the fixed clamping block 6, then rotates the hexagonal polished rod part on the double-ended bolt with positive and negative teeth 4, the two inner studs 5 move back to back or in opposite directions simultaneously to adapt to the clamped objects 2 with different sizes, the locking bolt 7 is installed after the clamped objects are adjusted to a required position, and the two inner studs 5 are clamped by the two locking bolts 7, so that the distance between the two clamping parts and the fixed clamping block 6 is equal.

Referring to fig. 3, the position of the first two inner studs 5 on the positive and negative stud 4 is controlled, so that the two inner studs 5 form a length difference on the positive and negative stud 4, thereby driving the clamping centers of the two clamping portions to shift, and being suitable for the situation that the clamping center of the clamped object 2 shifts.

As shown in fig. 1, in order to facilitate the operator to manually rotate the positive and negative stud bolts 4, the fixed clamping block 6 is provided with an abdicating through groove, and the polish rod of the positive and negative stud bolts 4 is positioned in the abdicating through groove. Further, the front and back thread stud bolt 4 is an outer hexagonal front and back thread stud bolt 4, and the inner screw column 5 is a bi-pass hexagonal nut column.

As shown in fig. 1, the clamping portion includes a sliding seat 8 and a clamping arm 9, the sliding seat 8 is slidably connected to the sliding rail 1, the clamping arm 9 is fixedly connected to a side wall of the sliding rail 1, and the shape of the clamping arm 9 is adapted to the outer wall of the object 2. In order to improve the stability of extension spring 3, the spliced pole that the level set up is fixedly connected with on the lateral wall that sliding seat 8 deviates from arm lock 9, has seted up the spread groove on the perisporium of spliced pole, and the tip joint of extension spring 3 is in the spread groove.

As shown in fig. 1, further, a bearing 10 is rotatably connected to each of the two sliding seats 8, and the axial direction of the bearing 10 is arranged in the same direction as the central line of the tension spring 3. A pressing block 11 is arranged above the two sliding seats 8, two inclined planes are arranged on the pressing block 11, the inclined planes and the bearing 10 seats are arranged in a one-to-one correspondence mode, and the inclined planes are abutted to the peripheral walls of the bearing 10 seats.

The implementation principle of the application is as follows: before clamping, an operator firstly unscrews the locking bolt 7, and adjusts the positions of the two inner studs 5 on the front and back thread stud bolts 4 according to actual conditions. Then, the hexagonal polish rod part on the positive and negative double-ended bolts 4 is rotated to drive the two inner double-ended bolts 5 to move back and forth simultaneously until the use requirements are met. The operator then tightens the locking bolt 7, limiting the position of the two inner studs 5. Finally, an operator presses down the pressing block 11, the pressing block 11 drives the two clamping arms 9 to move back and forth, the clamped object 2 is placed between the two clamping arms 9, pressing force on the pressing block 11 is released, elastic potential energy of the tension spring 3 is released, and the two clamping arms 9 are driven to move oppositely until the clamped object 2 is clamped. To sum up, this application has realized that the synchronous accurate interval in both sides is adjusted and the location, can be replaced by 2 specifications of centre gripping thing, centre gripping center is adjustable, can adapt to the condition of different diameters size by centre gripping thing 2 and by 2 central skews of centre gripping thing. In addition, this application simple structure, part easily processing, adjust the precision high, simultaneously, overall structure intensity is higher, is applicable to the impact occasion.

Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the application following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the application pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.

It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims

1. A static and dynamic synchronous spacing adjustment device, comprising:

the sliding rail is horizontally arranged;

the clamping parts are connected to the sliding rails in a sliding manner, and two clamping parts are symmetrically arranged on the sliding rails;

the elastic piece is connected between the two clamping parts;

the positioning mechanism is arranged between the two clamping parts and comprises a positive and negative tooth stud bolt which is horizontally and rotatably connected to the slide rail and an inner stud which is rotatably connected to the positive and negative tooth stud bolt, the axial direction of the positive and negative tooth stud bolt is the same as the sliding direction of the clamping parts, one inner stud is arranged at the end part of the positive and negative tooth stud bolt and is connected with the slide rail in a sliding manner, and the thread screwing directions of the two inner studs are opposite;

and the locking part is arranged on the sliding rail and is used for locking the two inner studs.

2. The device for adjusting the spacing synchronously and statically according to claim 1, wherein the locking part comprises a fixed clamping block fixedly connected to the slide rail and a locking bolt arranged corresponding to the inner screw, the fixed clamping block is provided with a clamping groove along the axial direction of the front and back threaded stud, one end of the inner screw is slidably inserted into the clamping groove, and the locking bolt is arranged at the notch of the clamping groove to clamp the inner screw.

3. The device for synchronously adjusting the spacing according to claim 2, wherein the positive and negative stud bolts are inserted into the fixed block, the fixed block is provided with an abdicating through groove, and the polish rod portion of the positive and negative stud bolts is located in the abdicating through groove.

4. The device for synchronously adjusting the distance according to claim 2, wherein the stud with positive and negative teeth is a stud with hexagonal external teeth and the internal stud is a stud with hexagonal double-pass nut.

5. The device for synchronously adjusting distance according to claim 1, wherein the clamping portion comprises a sliding seat slidably connected to the sliding rail, and a clamping arm fixedly connected to the sliding seat, and the clamping arm is configured to fit with an outer wall of an external clamping member.

6. The device for synchronously adjusting the distance between two sliding blocks in a static and dynamic manner according to claim 5, further comprising a pressing block, wherein the pressing block is provided with two inclined surfaces, each sliding seat is provided with a bearing, the axial direction of the bearing and the deformation direction of the elastic member are in the same direction, the inclined surfaces are arranged corresponding to the bearing seats, and the inclined surfaces are abutted against the peripheral walls of the bearing seats.

7. The device for synchronously adjusting the spacing in the static and dynamic states as claimed in claim 5, wherein a connecting column is connected to the side wall of the sliding seat, a connecting groove is formed in the peripheral wall of the connecting column, the elastic member is a tension spring, and the end of the tension spring is clamped in the connecting groove.