CN214025404U

CN214025404U - Automatic centering device

Info

Publication number: CN214025404U
Application number: CN202023251627.4U
Authority: CN
Inventors: 南浩杰
Original assignee: Sanjia Taikenuo Tianjin Machinery Equipment Co ltd
Current assignee: Sanjia Taikenuo Tianjin Machinery Equipment Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-08-24
Anticipated expiration: 2030-12-29

Abstract

The utility model discloses an automatic to heart device, the on-line screen storage device comprises a base, the upper end of base is equipped with hollow plate, hollow plate's upper end is run through and is equipped with the dead slot, the inner wall sliding connection of dead slot has first grip block and second grip block, hollow plate's lateral wall runs through and fixedly connected with motor, two the first hollow block of fixedly connected with and the hollow block of second are distinguished to the one end that the mounting panel is relative, be equipped with buffer gear between the hollow block of first hollow block and the hollow block of second, first hollow block is in same level with the hollow block upper end of second. The utility model discloses, rational in infrastructure, drive first lead screw and the synchronous rotation of second lead screw through the motor, realize automatic to the heart, and the degree of accuracy is high, secondly, under the spacing of two first springs, two rubber blocks press from both sides tightly two to the heart piece, to heart piece simple to operate, are equipped with the secondary buffering simultaneously, reduce two degrees that hit to the heart piece.

Description

Automatic centering device

Technical Field

The utility model relates to a mechanical equipment makes technical field, especially relates to an automatic to heart device.

Background

During the machining process of the symmetrical parts, the parts are often required to be centered. The existing centering devices are of two types, automatic and manual. The principle of the manual centering device is similar to that of a vice, and the automatic centering device adopts a rack and pinion.

When two centering blocks are manually operated, the two centering blocks are aligned and then are relatively operated, so that troubles are brought to workers, the operation is troublesome in the non-traditional automatic centering process of a gear and rack type, and the centering blocks are fixed, so that an automatic centering device is designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the automatic to heart device that proposes drives first lead screw and second lead screw through the motor and rotates in step, realizes automatic to the heart, and the degree of accuracy is high, secondly, under the spacing of two first springs, two rubber blocks press from both sides tightly two to the heart piece, to heart piece simple to operate, are equipped with the secondary buffering simultaneously, reduce two degrees that hit to the heart piece.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an automatic to heart device, includes the base, the upper end of base is equipped with hollow slab, the upper end of hollow slab runs through and is equipped with the dead slot, the inner wall sliding connection of dead slot has first grip block and second grip block, the lateral wall of hollow slab runs through and fixedly connected with motor, be equipped with stop gear between first grip block and second grip block and the motor, the equal fixedly connected with mounting panel of the one end that first grip block and second grip block are relative, two the mounting panel upper end all is equipped with fixture, two the first hollow block of fixedly connected with and the hollow block of second are distinguished to the one end that the mounting panel is relative, be equipped with buffer gear between the hollow block of first hollow block and second, first hollow block and the hollow block upper end of second are in same level.

Preferably, stop gear includes the first lead screw with motor output end fixed connection, first lead screw fixedly connected with fixed block, fixed block fixedly connected with second lead screw, the second lead screw rotates with the inner wall of hollow slab to be connected.

Preferably, the first screw rod penetrates through and is in threaded connection with a first thread block, the upper end of the first thread block is fixedly connected with the first clamping plate, the second screw rod penetrates through and is in threaded connection with a second thread block, and the upper end of the second thread block is fixedly connected with the second clamping plate.

Preferably, the first screw rod and the second screw rod are consistent in length, and the thread directions of the first screw rod and the second screw rod are opposite.

Preferably, fixture include with mounting panel upper end fixed connection's the hollow block of third, the lateral wall of the hollow block of third runs through and is equipped with the sliding tray, the inner wall of sliding tray runs through and sliding connection has the grip block, the first spring of fixed connection between grip block and the hollow block of third.

Preferably, the upper ends of the two clamping blocks are fixedly connected with handles.

Preferably, the lower end of the clamping block is fixedly connected with a pressing block, the lower end of the pressing block is fixedly connected with a rubber block, and a collision prevention mechanism is arranged between the two pressing blocks.

Preferably, the collision prevention mechanism comprises two first limiting grooves penetrating through one of the pressing blocks, wherein the inner walls of the two first limiting grooves are fixedly connected with second springs, the inner walls of the two second springs are fixedly connected with first buffer blocks, the side wall of the other pressing block is fixedly connected with two limiting rods, the two limiting rods are matched with the two first limiting grooves, and the two limiting rods penetrate through the two first limiting grooves and are in sliding connection with the inner walls of the two first limiting grooves.

Preferably, buffer gear is including running through the second spacing groove that is equipped with on the first hollow block, the equal fixedly connected with third spring of inner wall in second spacing groove, the equal fixedly connected with second buffer block of third spring.

Preferably, the second hollow block penetrates through and is connected with a sliding rod in a sliding mode, a fourth spring is fixedly connected between the sliding rod and the second hollow block, the sliding rod is matched with the second limiting groove, and the sliding rod penetrates through the second limiting groove and is connected with the inner wall of the second limiting groove in a sliding mode.

Compared with the prior art, the utility model, its beneficial effect does:

1. the motor rotates to drive the first screw rod and the second screw rod to synchronously rotate, the first clamping plate and the second clamping plate relatively synchronously move under the limit of the first thread block and the second thread block, the movement is stable, and the centering accuracy is high.

2. Two handles drive two grip blocks, two briquetting, two rubber blocks and move up together, will put the upper end of first hollow block and the hollow block of second to the heart piece, under the spacing of two first springs, two rubber blocks press from both sides two tight to the heart pieces, to heart piece simple to operate.

3. The two limiting rods abut against the two first buffer blocks and compress the two second springs, and the two limiting rods slide on the inner wall of the first limiting groove to buffer the first limiting groove for the first time; the slide bar supports the second buffer block and compresses the third spring, slides on the inner wall of the second limiting groove, and performs secondary buffering on the two centering blocks, so that the degree of collision of the two centering blocks is reduced.

To sum up, drive first lead screw and second lead screw synchronous rotation through the motor, realize automatic centering, and the degree of accuracy is high, and secondly, under the spacing of two first springs, two rubber blocks press from both sides tightly two centering blocks, to centering block simple to operate, are equipped with the secondary buffering simultaneously, reduce the degree that two centering blocks collided with each other.

Drawings

Fig. 1 is a schematic structural diagram of an automatic centering device according to embodiment 1;

fig. 2 is a schematic structural diagram of an automatic centering device according to embodiment 2;

fig. 3 is a schematic structural diagram of an automatic centering device according to embodiment 3;

fig. 4 is an enlarged view of a structure in fig. 3.

In the figure: the clamping device comprises a base 1, a motor 2, a first thread block 3, a first clamping plate 4, a first screw rod 5, a second screw rod 6, a second thread block 7, a second clamping plate 8, a hollow plate 9, a handle 10, a clamping block 11, a third hollow block 12, a first limiting groove 13, a first hollow block 14, a third spring 15, a fourth spring 16, a sliding rod 17, a second hollow block 18, a first spring 19, a pressing block 20, a limiting rod 21, a rubber block 22, a second spring 23 and a first buffer block 24.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Example 1

Referring to fig. 1, an automatic centering device comprises a base 1, wherein an upper end of the base 1 is provided with a hollow plate 9, an upper end of the hollow plate 9 is provided with a hollow groove in a penetrating manner, an inner wall of the hollow groove is slidably connected with a first clamping plate 4 and a second clamping plate 8, a side wall of the hollow plate 9 is provided with a motor 2 in a penetrating and fixedly connected manner, and the motor 2 is a servo motor and can realize forward and reverse rotation.

A limiting mechanism is arranged between the first clamping plate 4 and the motor 2 and between the second clamping plate 8 and the motor 2, the limiting mechanism comprises a first lead screw 5 fixedly connected with the output end of the motor 2, the first lead screw 5 is fixedly connected with a fixed block, the fixed block is fixedly connected with a second lead screw 6, the second lead screw 6 is rotatably connected with the inner wall of the hollow plate 9, the first lead screw 5 penetrates through and is in threaded connection with a first threaded block 3, the upper end of the first threaded block 3 is fixedly connected with the first clamping plate 4, the second lead screw 6 penetrates through and is in threaded connection with a second threaded block 7, the upper end of the second threaded block 7 is fixedly connected with the second clamping plate 8, the first lead screw 5 is consistent with the second lead screw 6 in length, the thread directions of the first lead screw 5 and the second lead screw 6 are opposite, and the first lead screw 5 and the second lead screw 6 rotate synchronously.

Explained further, the worker starts the motor 2, the motor 2 rotates to drive the first screw rod 5 and the second screw rod 6 to synchronously rotate, and the first clamping plate 4 and the second clamping plate 8 synchronously move relatively and stably under the limit of the first thread block 3 and the second thread block 7; when the motor 2 rotates reversely, the first clamping plate 4 and the second clamping plate 8 move back to back synchronously under the limit of the first thread block 3 and the second thread block 7.

Example 2

Referring to fig. 1-2, the difference between this embodiment and embodiment 1 is that in this embodiment, an end of the first clamping plate 4 opposite to an end of the second clamping plate 8 is fixedly connected to a mounting plate, a clamping mechanism is disposed on two mounting plates, the clamping mechanism includes a third hollow block 12 fixedly connected to the upper end of the mounting plate, a sliding groove is disposed on a side wall of the third hollow block 12, an inner wall of the sliding groove is connected to a clamping block 11, a lower end of the clamping block 11 is fixedly connected to a pressing block 20, a lower end of the pressing block 20 is fixedly connected to a rubber block 22, a first spring 19 is fixedly connected between the clamping block 11 and the third hollow block 12, a handle 10 is fixedly connected to the upper end of the two clamping blocks 11, and the fixing can be completed by pulling the handle 10.

Explained in one step, a worker pulls the two handles 10 upwards, the two handles 10 drive the two clamping blocks 11, the two pressing blocks 20 and the two rubber blocks 22 to move upwards together, then the centering blocks are placed at the upper ends of the first hollow block 14 and the second hollow block 18, and the two centering blocks are clamped by the two rubber blocks 22 under the limiting of the two first springs 19.

Example 3

Referring to fig. 1 to 4, in this embodiment and embodiment 1, the difference is that in this embodiment, opposite ends of the two mounting plates are respectively and fixedly connected with a first hollow block 14 and a second hollow block 16, a buffer mechanism is arranged between the first hollow block 14 and the second hollow block 18, the buffer mechanism includes a second limit groove penetrating the first hollow block 14, an inner wall of the second limit groove is fixedly connected with a third spring 15, the third spring 15 is fixedly connected with a second buffer block, upper ends of the first hollow block 14 and the second hollow block 18 are at the same level, the second hollow block 18 penetrates and is slidably connected with a sliding rod 17, a fourth spring 16 is fixedly connected between the sliding rod 17 and the second hollow block 18, the sliding rod 17 is matched with the second limit groove, the sliding rod 17 penetrates and is slidably connected with the inner wall of the second limit groove, and the second limit groove limits the sliding rod 17.

Be equipped with between two briquetting 20 and hinder and hit the mechanism, hinder and hit the mechanism including running through two first spacing grooves 13 that set up on one of them briquetting 20, the equal fixedly connected with second spring 23 of the inner wall of two first spacing grooves 13, the first buffer block 24 of the equal fixedly connected with of two second springs 23, two gag lever posts 21 of the lateral wall fixedly connected with of another briquetting 20, two gag lever posts 21 and two first spacing groove 13 phase-matchs, two gag lever posts 21 run through two first spacing grooves 13 and rather than inner wall sliding connection, two first spacing grooves 13 are spacing to two gag lever posts 21.

To explain further, when the worker centers the two centering blocks, the two limiting rods 21 abut against the two first buffer blocks 24 and compress the two second springs 23, and slide on the inner wall of the first limiting groove 13 to buffer the two centering blocks for the first time; the slide bar 17 abuts against the second buffer block and compresses the third spring 15, and slides on the inner wall of the second limiting groove to perform secondary buffering on the two centering blocks.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An automatic centering device comprises a base (1) and is characterized in that an hollow plate (9) is arranged at the upper end of the base (1), a hollow groove is formed in the upper end of the hollow plate (9) in a penetrating mode, a first clamping plate (4) and a second clamping plate (8) are connected to the inner wall of the hollow groove in a sliding mode, a motor (2) is connected to the side wall of the hollow plate (9) in a penetrating mode and fixedly connected with the side wall of the hollow plate, a limiting mechanism is arranged between the first clamping plate (4) and the motor (2) and between the second clamping plate (8) and the motor (2), mounting plates are fixedly connected to the opposite ends of the first clamping plate (4) and the second clamping plate (8), clamping mechanisms are arranged at the upper ends of the two mounting plates, a first hollow block (14) and a second hollow block (18) are fixedly connected to the opposite ends of the two mounting plates respectively, and a buffer mechanism is arranged between the first hollow block (14) and the second hollow block (18), the upper ends of the first hollow block (14) and the second hollow block (18) are at the same level.

2. The automatic centering device according to claim 1, wherein the limiting mechanism comprises a first screw rod (5) fixedly connected with the output end of the motor (2), the first screw rod (5) is fixedly connected with a fixed block, the fixed block is fixedly connected with a second screw rod (6), and the second screw rod (6) is rotatably connected with the inner wall of the hollow plate (9).

3. An automatic centering device according to claim 2, characterized in that the first screw rod (5) is penetrated and screwed with a first screw block (3), the upper end of the first screw block (3) is fixedly connected with the first clamping plate (4), the second screw rod (6) is penetrated and screwed with a second screw block (7), and the upper end of the second screw block (7) is fixedly connected with the second clamping plate (8).

4. An automatic centering device according to claim 2, characterized in that the length of said first screw (5) is identical to that of said second screw (6), and the direction of the thread between said first screw (5) and said second screw (6) is opposite.

5. The automatic centering device according to claim 1, wherein the clamping mechanism comprises a third hollow block (12) fixedly connected with the upper end of the mounting plate, a sliding groove is formed in the side wall of the third hollow block (12) in a penetrating manner, a clamping block (11) is connected with the inner wall of the sliding groove in a penetrating and sliding manner, and a first spring (19) is fixedly connected between the clamping block (11) and the third hollow block (12).

6. An automatic centering device according to claim 5, characterized in that the upper ends of the two clamping blocks (11) are fixedly connected with a handle (10).

7. The automatic centering device according to claim 5, characterized in that a pressing block (20) is fixedly connected to the lower end of the clamping block (11), a rubber block (22) is fixedly connected to the lower end of the pressing block (20), and a collision prevention mechanism is arranged between the two pressing blocks (20).

8. The automatic centering device according to claim 7, wherein the collision preventing mechanism comprises two first limiting grooves (13) penetrating through one of the pressing blocks (20), the inner walls of the two first limiting grooves (13) are fixedly connected with second springs (23), the two second springs (23) are fixedly connected with first buffer blocks (24), the side wall of the other pressing block (20) is fixedly connected with two limiting rods (21), the two limiting rods (21) are matched with the two first limiting grooves (13), and the two limiting rods (21) penetrate through the two first limiting grooves (13) and are slidably connected with the inner walls of the two first limiting grooves (13).

9. The automatic centering device according to claim 1, wherein the buffer mechanism comprises a second limit groove penetrating through the first hollow block (14), the inner wall of the second limit groove is fixedly connected with a third spring (15), and the third spring (15) is fixedly connected with a second buffer block.

10. The automatic centering device according to claim 7, wherein a sliding rod (17) penetrates through and is slidably connected with the second hollow block (18), a fourth spring (16) is fixedly connected between the sliding rod (17) and the second hollow block (18), the sliding rod (17) is matched with the second limiting groove, and the sliding rod (17) penetrates through the second limiting groove and is slidably connected with the inner wall of the second limiting groove.