CN213917886U

CN213917886U - Low-friction type positioning jig structure

Info

Publication number: CN213917886U
Application number: CN202022775452.0U
Authority: CN
Inventors: 逯瑜; 吴杰
Original assignee: Yongxin Electronics Changshu Co Ltd
Current assignee: Yongxin Electronics Changshu Co Ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-08-10
Anticipated expiration: 2030-11-26

Abstract

The utility model discloses a low-friction type positioning jig structure, which belongs to the technical field of positioning jigs and comprises a base and an ejector block, wherein a support rod is connected between the base and the ejector block, the support rod is arranged along the vertical direction, the top end and the bottom end of the support rod are respectively connected with the ejector block and the base, an installation shaft is connected on the support rod, the arrangement direction of the installation shaft is vertical to the support rod, a positioning wheel is connected on the installation shaft, the installation shaft penetrates through the circle center of the positioning wheel, and the installation shaft is connected with the positioning wheel through a bearing; the adjusting assembly is arranged on the ejecting block in a penetrating mode, the mounting shaft is fixedly connected to the adjusting assembly, and the adjusting assembly drives the mounting shaft to move in the vertical direction. The utility model discloses have and change into rotary-type low friction with the hard friction between material and the tool among the prior art, be difficult for taking place to cause the material inlay card so that the condemned effect of product because the recess of friction.

Description

Low-friction type positioning jig structure

Technical Field

The utility model relates to a positioning jig technical field, in particular to low friction type positioning jig structure.

Background

The jig is a large tool used in the processing and production of carpenters, ironmen, pincers, machines, electric controls and other handicraft articles, is mainly used as a tool for assisting in controlling positions, actions and combining the positions and the actions, and can be divided into a process assembly jig, a project test jig and a circuit board test jig. The positioning jig is used for guiding and positioning the product during machining, so that the machining effect of the product is guaranteed.

Ordinary positioning jig fixes a position the walking of material, takes place hard friction between positioning jig and the product among the prior art, can produce the recess that leads to the fact owing to the friction on the tool after using for a long time to lead to the material inlay card to take place the condemned condition of product in the recess, this problem is waited for a long time to solve.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a low friction type positioning jig structure has and changes into rotary-type low friction with the hard friction between material and the tool among the prior art, is difficult for taking place to cause the material inlay card so that the condemned effect of product because the recess of friction.

A low-friction positioning jig structure comprises a base and an ejector block, wherein a supporting rod is connected between the base and the ejector block, the supporting rod is arranged in the vertical direction, the top end and the bottom end of the supporting rod are respectively connected with the ejector block and the base, an installation shaft is connected onto the supporting rod, the arrangement direction of the installation shaft is perpendicular to the supporting rod, a positioning wheel is connected onto the installation shaft, the installation shaft penetrates through the center of the positioning wheel, and the installation shaft is connected with the positioning wheel through a bearing;

the adjusting assembly is arranged on the ejecting block in a penetrating mode, the mounting shaft is fixedly connected to the adjusting assembly, and the adjusting assembly drives the mounting shaft to move in the vertical direction.

The utility model discloses further set up to: the adjusting assembly comprises a screw rod and a lifting block, the screw rod vertically penetrates through the ejector block and rotates in place, the lifting block is in threaded connection with the screw rod, the supporting rod penetrates through the lifting block and is connected with the lifting block in a sliding mode, and the mounting shaft is fixedly connected to the lifting block.

The utility model discloses further set up to: the screw rod is provided with a limiting hole, a limiting section matched with the limiting block is formed on the screw rod, the limiting section is embedded in the limiting hole and is rotatably connected with the limiting hole, and the diameter of the limiting section is smaller than that of the screw rod main body.

The utility model discloses further set up to: the top end of the screw rod is connected with an adjusting nut at a penetrating position in the ejector block, and friction increasing grains are formed on the side wall of the adjusting nut.

The utility model discloses further set up to: and a gasket is arranged between the lower surface of the adjusting nut and the upper surface of the jacking block.

The utility model discloses further set up to: the bearing is configured as a roller bearing.

The utility model discloses further set up to: a plurality of screw holes are formed in the base.

During the use with the material place on the locating wheel, because link to each other through the bearing between locating wheel and the installation axle, advance the in-process locating wheel at the material and along with the material is with the motion, change hard friction into rotary-type low friction, thereby difficult formation leads to the condition of material inlay card owing to the recess that the friction caused on the locating wheel. When the height of the positioning wheel is adjusted, the adjusting nut is rotated, so that the lifting block can move up and down, the height of the positioning wheel can be adjusted in the machining process, and the adjusting difficulty is reduced.

To sum up, the utility model discloses following beneficial effect has:

1. through the arrangement that the positioning wheel is connected with the mounting shaft through the bearing, the hard friction between the material and the positioning wheel is changed into the rotary friction, so that a friction groove is not easy to generate;

2. the height of the positioning wheel can be simply and conveniently adjusted through the adjusting assembly consisting of the lifting block and the screw rod, so that the time for processing abnormity is reduced;

3. through the screw hole of seting up on the base, can be with whole stable connection on the machine.

Drawings

Fig. 1 is a schematic structural diagram for embodying the whole of the present invention;

fig. 2 is a schematic structural diagram for embodying a side surface in the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2.

In the figure, 1, a base; 11. a screw hole; 2. a top block; 21. a strut; 22. a limiting hole; 3. an adjustment assembly; 31. a lifting block; 311. installing a shaft; 312. positioning wheels; 313. a bearing; 32. a screw rod; 321. adjusting the nut; 322. increasing friction lines; 323. a limiting section; 324. a gasket.

Detailed Description

The present invention will be described in detail with reference to the attached drawings, and other advantages and effects of the present invention can be easily understood by those skilled in the art from the disclosure of the present specification. In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for the sake of clarity, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also regarded as the scope of the present invention without substantial changes in the technical content.

Example (b):

as shown in fig. 1 and 2, for the utility model discloses a low friction type positioning jig structure that designs in, including base 1 and kicking block 2, be connected with branch 21 between base 1 and the kicking block 2, branch 21 sets up and top and bottom link to each other with kicking block 2 and base 1 respectively along vertical direction, be connected with installation axle 311 on the branch 21, the direction that sets up of installation axle 311 is perpendicular with branch 21, be connected with locating wheel 312 on the installation axle 311, the centre of a circle department that the locating wheel 312 was worn to locate by installation axle 311 links to each other through bearing 313 between installation axle 311 and the locating wheel 312, bearing 313 sets up to roller bearing 313.

As shown in fig. 1 and 2, the adjusting assembly 3 penetrates through the top block 2, the mounting shaft 311 is fixedly connected to the adjusting assembly 3, and the adjusting assembly 3 drives the mounting shaft 311 to move along the vertical direction. The adjusting assembly 3 comprises a screw rod 32 and a lifting block 31, the screw rod 32 vertically penetrates through the top block 2 and rotates on site, the lifting block 31 is in threaded connection with the screw rod 32, the supporting rod 21 penetrates through the lifting block 31 and is connected in a sliding manner, and the mounting shaft 311 is fixedly connected to the lifting block 31.

As shown in fig. 1 and 3, a limiting hole 22 is formed in the top block 2, a limiting section 323 adapted to the limiting block is formed on the screw rod 32, the limiting section 323 is embedded in the limiting hole 22 and rotatably connected, and the diameter of the limiting section 323 is smaller than that of the main body of the screw rod 32. The top end of the screw rod 32 is connected with an adjusting nut 321 at the position penetrating out of the top block 2, and friction increasing grains 322 are formed on the side wall of the adjusting nut 321. A washer 324 is arranged between the lower surface of the adjusting nut 321 and the upper surface of the top block 2, and a plurality of screw holes 11 are formed on the base 1.

The implementation principle of the above embodiment is as follows: when the material clamping device is used, materials are placed on the positioning wheel 312, the positioning wheel 312 is connected with the mounting shaft 311 through the bearing 313, the positioning wheel 312 moves along with the materials in the advancing process of the materials, hard friction is changed into rotary low friction, and the situation that the materials are clamped and embedded due to the fact that grooves are formed in the positioning wheel 312 due to friction is not prone to occurring. When the height of the positioning wheel 312 is adjusted, the adjusting nut 321 is rotated to enable the lifting block 31 to move up and down, so that the height of the positioning wheel 312 is adjusted in the machining process, and the adjusting difficulty is reduced.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a low friction type positioning jig structure which characterized in that: the supporting device comprises a base (1) and a top block (2), wherein a supporting rod (21) is connected between the base (1) and the top block (2), the supporting rod (21) is arranged in the vertical direction, the top end and the bottom end of the supporting rod are respectively connected with the top block (2) and the base (1), an installation shaft (311) is connected onto the supporting rod (21), the arrangement direction of the installation shaft (311) is perpendicular to the supporting rod (21), a positioning wheel (312) is connected onto the installation shaft (311), the installation shaft (311) penetrates through the circle center of the positioning wheel (312), and the installation shaft (311) is connected with the positioning wheel (312) through a bearing (313);

wear to be equipped with adjusting part (3) on kicking block (2), installation axle (311) fixed connection is on adjusting part (3), adjusting part (3) drive installation axle (311) are along vertical direction motion.

2. The low-friction positioning jig structure according to claim 1, characterized in that: adjusting part (3) include lead screw (32) and lifting block (31), lead screw (32) are worn to establish perpendicularly on kicking block (2) and pivot rotation, lifting block (31) with lead screw (32) threaded connection, branch (21) pass lifting block (31) and the connection of sliding, installation axle (311) fixed connection is on lifting block (31).

3. The structure of claim 2, wherein: the screw rod structure is characterized in that a limiting hole (22) is formed in the ejector block (2), a limiting section (323) matched with the limiting block is formed on the screw rod (32), the limiting section (323) is embedded in the limiting hole (22) and is in rotating connection, and the diameter of the limiting section (323) is smaller than that of the screw rod (32) main body.

4. The structure of claim 3, wherein: the top end of the screw rod (32) penetrates out of the top block (2) to be connected with an adjusting nut (321), and friction increasing grains (322) are formed on the side wall of the adjusting nut (321).

5. The structure of claim 4, wherein: and a washer (324) is arranged between the lower surface of the adjusting nut (321) and the upper surface of the top block (2).

6. The low-friction positioning jig structure according to claim 1, characterized in that: the bearing (313) is provided as a roller bearing (313).

7. The structure of claim 6, wherein: the base (1) is provided with a plurality of screw holes (11).