CN210919817U

CN210919817U - Quick moving block

Info

Publication number: CN210919817U
Application number: CN201921751072.4U
Authority: CN
Inventors: 赵俊新; 张爱玲; 庞文明
Original assignee: Dongguan Unimetro Sunnyoo Precision Machinery Co ltd
Current assignee: Dongguan Unimetro Sunnyoo Precision Machinery Co ltd
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-07-03
Anticipated expiration: 2029-10-18

Abstract

The utility model provides a quick moving block for install on the polished rod and can be along polished rod axis parallel translation, quick moving block includes moving block, bearing group, wedge block group and roof pressure bolt group, be provided with the inner chamber in the moving block, bearing group and wedge block group do not set up in the inner chamber of moving block, the roof pressure bolt group sets up in the bottom of moving block, is used for carrying out the locking or loosening its characterized in that with quick moving block and polished rod: and a reset assembly for driving the bearing set to reset downwards is further arranged in the moving block. The utility model discloses a set up reset assembly, when roof pressure bolt group drive quick movable block and polished rod loosen, reset assembly can drive roof pressure bolt group and reset downwards to can prevent the condition that roof pressure bolt group does not put in place that resets downwards, thereby can prevent polished rod wearing and tearing, and the movable block produces the noise when moving on the polished rod.

Description

Quick moving block

Technical Field

The utility model relates to a friction drive mechanism field of rotation and linear motion transform, in particular to quick movable block.

Background

The prior art discloses a toothless transmission screw rod with adjustable polished rod axis position and transmission friction force, and discloses (announces) the number: CN103133618B, publication (public notice) day: 2016-03-30, discloses a toothless transmission screw rod with adjustable polished rod axis position and transmission friction force, which comprises a displacement block, a displacement table connected with the displacement block, a polished rod passing through the inner cavity of the displacement block, a friction transmission pair which is arranged on the polished rod and consists of a bearing group and a wedge block group, an adjusting screw group which is pressed on the bearing group to adjust the polished rod axis position, and a pressing screw group which is used for adjusting the friction force and locking and releasing the transmission pair. Through adjusting screw group, realize the quick centering of polished rod easily, the motion stationarity is good. Through adjusting the top pressure bolt group, the transmission friction force can be adjusted, the polished rod is locked and released, the displacement table is enabled to perform precise micro-motion and rapid movement, and the movement switching is simple and rapid. The toothless screw rod has small abrasion and strong loading capacity; the symmetrical design and standard parts are adopted, the processing is easy, the assembly is convenient, the quality is stable, and the cost is low. The device can be used for machine tools, coordinate measuring machines and image measuring machines, and drives the translation table to perform precise displacement motion.

However, the above toothless transmission screw rod has the following disadvantages: when the polished rod is released, the jacking bolt 20 is screwed out by rotating the swing rod 23, so that the jacking bolt 20 is loosened from the bearings 09 and 08, and the bearings 09 and 08 can be loosened from the polished rod, but when the bearings 09 and 08 are reset downwards, the resetting sometimes is not in place, so that the bearings 09 and 08 still have partial area to be contacted with the polished rod, the bearings 09 and 08 can rub against the polished rod when moving, the polished rod is easily abraded, and noise can be generated when the moving block moves on the polished rod.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can guarantee bearing and polished rod quick movable block that targets in place that can reset.

In order to achieve the above object, the present invention provides the following technical solutions:

the quick moving block comprises a moving block body, a bearing group, a wedge block group and a jacking bolt group, wherein an inner cavity is formed in the moving block body, the bearing group and the wedge block group are respectively arranged in the inner cavity of the moving block body, the jacking bolt group is arranged at the bottom of the moving block body and used for locking or loosening the quick moving block body and the polished rod, and a reset assembly used for driving the bearing group to reset downwards is further arranged in the moving block body.

Further, the reset assembly comprises a reset spring, a mounting hole formed in the top of the moving block and a mounting plate, the reset spring is mounted in the mounting hole, the lower end of the reset spring abuts against a bearing in the middle of the bearing group, the upper end of the reset spring abuts against the mounting plate, and the mounting plate is mounted on the mounting hole.

Furthermore, the jacking bolt group comprises a jacking bolt, a ferrule and a swing rod, the swing rod is connected with the ferrule, the lower end of the jacking bolt is installed in the ferrule, and the upper end face of the jacking bolt abuts against a bearing in the middle of the bearing group.

Furthermore, a convex surface and a concave surface are arranged on the upper end surface of the jacking bolt, the jacking bolt can be rotated to enable the convex surface to be abutted against a bearing in the middle of the bearing group or enable the concave surface to be abutted against the bearing in the middle of the bearing group, when the convex surface is abutted against the bearing in the middle of the bearing group, the rapid moving block and the polished rod are in a locking state, and when the concave surface is abutted against the bearing in the middle of the bearing group, the rapid moving block and the polished rod are in a loosening state.

The utility model has the advantages that:

the utility model discloses a set up reset assembly, when roof pressure bolt group drive quick movable block and polished rod loosen, reset assembly can drive roof pressure bolt group and reset downwards to can prevent the condition that roof pressure bolt group does not put in place that resets downwards, thereby can prevent polished rod wearing and tearing, and the movable block produces the noise when moving on the polished rod.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

fig. 3 is a schematic structural view of the utility model after the movable block is hidden;

fig. 4 is a schematic structural view of the top pressure bolt set of the present invention.

Detailed Description

The invention is further explained below with reference to the drawings:

as shown in fig. 1 to 4, the fast moving block is used for being installed on a polished rod 1 and moving in parallel along the axis of the polished rod 1, and comprises a moving block 2, a bearing set 3, a wedge block set and a jacking bolt set 5, wherein an inner cavity is arranged in the moving block 2, the bearing set 3 and the wedge block set are respectively arranged in the inner cavity of the moving block 2, the jacking bolt set 5 is arranged at the bottom of the moving block 2 and used for locking or loosening the fast moving block and the polished rod 1, and a reset assembly 6 used for driving the bearing set 3 to reset downwards is further arranged in the moving block 2.

The bearing group 3 includes a first bearing 31, a second bearing 33, a third bearing 34 and a fourth bearing 32 arranged from left to right.

The wedge block set comprises a first wedge block 46, a second wedge block 45, a third wedge block 44, a fourth wedge block 43, a fifth wedge block 42 and a sixth wedge block 41 in sequence from left to right. The first wedge 46 is located to the left of the first bearing 31, the second wedge 45 and the third wedge 44 are located between the first bearing 31 and the second bearing 33, the fourth wedge 43 and the fifth wedge 42 are located between the third bearing 34 and the fourth bearing 32, and the sixth wedge 41 is located to the right of the fourth bearing 32.

Further, the reset assembly 6 comprises a reset spring 61, a mounting hole 62 formed in the top of the moving block 2, and a mounting plate 63, wherein the reset spring 61 is mounted in the mounting hole 62, the lower end of the reset spring 61 abuts against the second bearing 33 and the third bearing 34, the upper end of the reset spring 61 abuts against the mounting plate 63, and the mounting plate 63 is mounted on the mounting hole 62.

Further, the jacking bolt set 5 includes a jacking bolt 51, a ferrule 52 and a swing rod 53, the swing rod 53 is connected with the ferrule 52, the lower end of the jacking bolt 51 is installed in the ferrule 52, and the upper end surface of the jacking bolt 51 abuts against the second bearing 33 and the third bearing 34.

Furthermore, a convex surface 54 and a concave surface 55 are arranged on the upper end surface of the jacking bolt 51, the jacking bolt 51 can be rotated to enable the convex surface 54 to be abutted against the second bearing 33 and the third bearing 34 or enable the concave surface 55 to be abutted against the second bearing 33 and the third bearing 34, when the convex surface 54 is abutted against the second bearing 33 and the third bearing 34, the quick moving block and the polish rod 1 are in a locking state, and when the concave surface 55 is abutted against the second bearing 33 and the third bearing 34, the quick moving block and the polish rod 1 are in a loosening state.

The utility model discloses a set up reset assembly 6, when 5 drive quick movable blocks of roof pressure bolt group loosen with polished rod 1, reset assembly 6 can drive roof pressure bolt group 5 and reset downwards to can prevent the not in place condition of resetting downwards of roof pressure bolt group 5, thereby can prevent polished rod 1 wearing and tearing, and the movable block 2 produces the noise when moving on polished rod 1.

The above description is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a quick moving block for install on the polished rod and can be along polished rod axis parallel translation, quick moving block includes moving block, bearing group, wedge block group and roof pressure bolt group, be provided with the inner chamber in the moving block, bearing group and wedge block group set up respectively in the inner chamber of moving block, roof pressure bolt group sets up in the bottom of moving block for carry out locking or loosen its characterized in that with the polished rod quick moving block: and a reset assembly for driving the bearing set to reset downwards is further arranged in the moving block.

2. A fast moving block as claimed in claim 1 wherein: the reset assembly comprises a reset spring, a mounting hole formed in the top of the moving block and a mounting plate, the reset spring is mounted in the mounting hole, the lower end of the reset spring is abutted against a bearing in the middle of the bearing assembly, the upper end of the reset spring is abutted against the mounting plate, and the mounting plate is mounted on the mounting hole.

3. A fast moving block as claimed in claim 1 wherein: the jacking bolt group comprises a jacking bolt, a ferrule and a swing rod, the swing rod is connected with the ferrule, the lower end of the jacking bolt is installed in the ferrule, and the upper end face of the jacking bolt abuts against a bearing in the middle of the bearing group.

4. A fast moving block as claimed in claim 3 wherein: the quick moving block is characterized in that a convex surface and a concave surface are arranged on the upper end surface of the jacking bolt, the jacking bolt can be rotated to enable the convex surface to be abutted against a bearing in the middle of the bearing group or enable the concave surface to be abutted against a bearing in the middle of the bearing group, when the convex surface is abutted against the bearing in the middle of the bearing group, the quick moving block and the polished rod are in a locking state, and when the concave surface is abutted against the bearing in the middle of the bearing group, the quick moving block and the polished rod are in a loosening state.