CN219054121U

CN219054121U - Workpiece positioning core rod

Info

Publication number: CN219054121U
Application number: CN202223201251.5U
Authority: CN
Inventors: 房朋朋; 曾庆宏; 邓高生
Original assignee: Guangdong Pudian Automation Technology Co ltd
Current assignee: Guangdong Pudian Automation Technology Co ltd
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2023-05-23
Anticipated expiration: 2032-12-01

Abstract

The utility model provides a workpiece positioning core rod, which belongs to the technical field of workpiece positioning and is used for positioning a workpiece and comprises a positioning piece. The locating piece includes locating bar, locating piece and locating lever, the locating bar center is provided with the jack, the locating piece divide into sliding block and location portion, the sliding block slip peg graft in the locating bar, the removal of locating lever in the jack makes the sliding block be close to or keep away from to the jack in the locating bar, location portion pass through the bolt fastening in the locating bar. The scheme can replace the traditional positioning core rod, the positioning core rod on equipment is replaced greatly, the failure rate of the positioning core rod during fixing is reduced, accessories of the equipment are reduced, materials are saved, the adjusting time of workers to the positioning core rod is shortened, and the working efficiency is improved.

Description

Workpiece positioning core rod

Technical Field

The utility model relates to the technical field of workpiece positioning, in particular to a workpiece positioning core rod.

Background

In the prior art, some workpieces need to be positioned and then processed such as welding, particularly when some rod parts are processed, the positioning tool also needs to be designed into a rod shape or a bar shape, the workpieces are positioned through the rod-shaped or bar-shaped positioning piece, the workpieces are convenient to process, for example, but not limited to, when the steering bracket of the automobile shock absorber is welded, the inner bracket needs to be clamped inside the outer bracket, then the positions of the inner bracket and the outer bracket are positioned through the positioning core rod, and then the inner bracket and the outer bracket are welded through the welding machine.

It is convenient to understand that in the prior art, workpieces with different specifications are often required to be processed through one welding machine, at this time, positioning core rods with different types are required to be selected for the workpieces with different specifications, in the prior art, the positioning core rods with different types are fixed at the installation position of equipment through accessories such as bolts, and on one hand, the replacement of the positioning core rods is troublesome, the fixing effect of the core rods is required to be ensured every time, errors are easy, and the fixing effect of the core rods cannot be ensured; on the other hand, each time a new specification of workpiece is produced, a new positioning mandrel is required to be produced, materials are wasted, and a worker can waste time when selecting the mandrel as many mandrels are used.

How to invent a new workpiece positioning mandrel to improve these problems becomes a urgent problem for those skilled in the art.

Disclosure of Invention

In order to overcome the defects, the utility model provides a workpiece positioning mandrel, which aims to solve the problems in the prior art.

The utility model is realized in the following way: a workpiece positioning mandrel is provided for positioning a workpiece, including a positioning member.

The locating piece includes locating bar, locating piece and locating lever, the locating bar center is provided with the jack, the locating piece divide into sliding block and location portion, the sliding block slip peg graft in the locating bar, the removal of locating lever in the jack makes the sliding block be close to or keep away from to the jack in the locating bar, location portion pass through the bolt fastening in the locating bar.

In a preferred embodiment of the present utility model, the positioning rod communicates with the insertion hole in a sliding region of the sliding block.

In a preferred technical scheme of the utility model, the positioning blocks are arranged on the positioning rod in an annular array, and the positioning blocks are at least provided with three groups on the positioning rod.

In a preferred embodiment of the present utility model, the positioning rod includes a sliding portion and a threaded portion, the sliding portion and the sliding block are provided in a shape matching each other and having a taper, and the threaded portion is threadedly mounted on one end of the positioning rod.

In a preferred technical scheme of the utility model, one end of the positioning rod, which is far away from the sliding part, is provided with a rotating part, and the end part of the rotating part, which is provided with the inner hexagonal hole, is provided with the inner hexagonal hole.

In a preferred embodiment of the utility model, the workpiece positioning mandrel further comprises a connecting element and an adjusting element, wherein the connecting element is used for connecting the adjusting element with the positioning element, and the adjusting element is used for fixing the workpiece positioning mandrel on the device.

In a preferred technical scheme of the utility model, the adjusting piece comprises a connecting block, a mounting sleeve, a limit bolt and a mounting block, wherein the connecting block is fixed with the connecting piece, a chute is formed in the mounting sleeve, one end of the connecting block, which is far away from the connecting piece, is slidably mounted in the chute, one end of the mounting block is fixed with the mounting sleeve, the other end of the mounting block is fixedly mounted with workpiece processing equipment, the limit bolt movably penetrates through the mounting sleeve, the limit bolt is fixedly threaded with the connecting block, the workpiece comprises a first bracket and a second bracket, the first bracket and the first bracket directly form a through groove, the positioning piece is inserted into the through groove when positioning the workpiece, a gap exists between the chute and the connecting block in one direction, and the connecting block is movably arranged in the mounting sleeve along the direction from the first bracket to the second bracket.

In a preferred embodiment of the present utility model, a lubricant is filled between the insertion hole and the sliding portion.

In a preferred embodiment of the present utility model, an end portion of the slider inserted into the workpiece is provided as a tapered portion.

The beneficial effects of the utility model are as follows: according to the workpiece positioning core rod obtained through the design, when the workpiece positioning core rod is used, the positioning block moves far away from or close to the jack in the positioning rod through the movement of the positioning rod in the jack, so that the overall outer diameter of the positioning core rod is increased or reduced, then the positioning block is fixed on the positioning rod through the bolt, and the overall thickness of the workpiece positioning core rod is adjusted, so that the workpiece positioning core rod can be positioned before machining rod parts with different specifications.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a workpiece positioning mandrel according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a structure of a workpiece according to an embodiment of the present utility model;

fig. 3 is a schematic front view of a workpiece according to an embodiment of the present utility model;

FIG. 4 is a top cross-sectional view of a positioning member according to an embodiment of the present utility model;

FIG. 5 is a top cross-sectional view of an adjustment member according to an embodiment of the present utility model;

fig. 6 is a schematic right-view structural diagram of an adjusting member according to an embodiment of the present utility model.

In the figure: 10. a workpiece; 11. a first bracket; 12. a second bracket; 13. a through groove; 110. a positioning piece; 111. a positioning rod; 1111. a jack; 112. a positioning block; 1121. a sliding block; 1122. a positioning part; 113. a positioning rod; 1131. a sliding part; 1132. a threaded portion; 1133. a rotating part; 120. a connecting piece; 130. an adjusting member; 131. a connecting block; 132. a mounting sleeve; 133. a limit bolt; 134. a chute; 135. and (5) installing a block.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1, the present utility model provides a technical solution: a workpiece positioning mandrel for positioning a workpiece 10 as shown in fig. 2 and 3, comprising a positioning member 110, the positioning member 110 being fixedly mounted to a processing apparatus.

Referring to fig. 4, the positioning member 110 includes a positioning rod 111, a positioning block 112 and a positioning rod 113, wherein a jack 1111 is provided at the center of the positioning rod 111, the positioning block 112 is divided into a sliding block 1121 and a positioning portion 1122, the sliding block 1121 is slidably inserted into the positioning rod 111, the sliding area of the sliding block 1121 is provided by the positioning rod 111 to be communicated with the jack 1111, the movement of the positioning rod 113 in the jack 1111 makes the sliding block 1121 approach or separate from the jack 1111 in the positioning rod 111, and the positioning portion 1122 is fixed to the positioning rod 111 by a bolt.

Specifically, the side of the positioning portion 1122 away from the slide block 1121 is provided as an arc surface.

In some embodiments, the positioning blocks 112 are disposed in an annular array on the positioning rod 111, and the positioning blocks 112 are disposed in at least three groups, and preferably four groups, on the positioning rod 111.

Specifically, the positioning rod 113 includes a sliding portion 1131 and a threaded portion 1132, the sliding portion 1131 and the sliding block 1121 are configured to have a tapered shape that matches each other, and the threaded portion 1132 is threadedly mounted on one end of the positioning rod 111. When the positioning rod 113 is used, the threaded portion 1132 is in threaded fit with the positioning rod 111 through rotation of the positioning rod 113, so that the sliding portion 1131 moves in the insertion hole 1111, when the sliding portion 1131 moves towards the inside of the insertion hole 1111, the sliding portion 1131 and the insertion hole 1111 are arranged to be mutually matched and provided with taper shapes, so that the sliding portion 1131 extrudes the sliding block 1121, the sliding block 1121 and the positioning portion 1122 move away from the insertion hole 1111, the positioning portion 1122 is fixed on the positioning rod 111 through bolts after the movement is completed, and the overall outer diameter of the positioning piece 110 is adjusted, so that the positioning piece 110 is suitable for workpieces 10 with through grooves 13 with different apertures.

In some specific embodiments, the positioning rod 113 is provided with a rotating portion 1133 at an end remote from the sliding portion 1131, and an end of the rotating portion 1133 provided with a hexagon socket. The inner hexagonal hole provided in the rotating portion 1133 facilitates the rotation of the rotating portion 1133 and the positioning rod 113 as a whole using a tool.

In practical application, lubricating oil is filled between the insertion hole 1111 and the sliding portion 1131, so that the sliding block 1121 slides smoothly in the positioning rod 111, and the sliding portion 1131 and the sliding block 1121 slide smoothly directly and relatively, so that the position of the sliding block 1121 in the positioning rod 111 can be adjusted conveniently.

In a specific arrangement, one end portion of the slide block 1121, into which the work 10 is inserted, is provided with a tapered portion, so that the slide block 1121 is inserted into the through groove 13 between the first bracket 11 and the second bracket 12.

Example two

Referring to fig. 5 and 6, in some other embodiments, the workpiece positioning mandrel further includes a connecting member 120 and an adjusting member 130, the connecting member 120 is used for connecting the adjusting member 130 to the positioning member 110, and the adjusting member 130 is used for fixing the workpiece positioning mandrel on the apparatus.

Specifically, the adjusting member 130 includes a connecting block 131, a mounting sleeve 132, a limit bolt 133 and a mounting block 135, the connecting block 131 is fixed with the connecting member 120, a chute 134 is arranged in the mounting sleeve 132, one end of the connecting block 131, which is far away from the connecting member 120, is slidably mounted in the chute 134, one end of the mounting block 135 is fixed with the mounting sleeve 132, the other end of the mounting block 135 is fixedly mounted with a workpiece processing device, the limit bolt 133 movably penetrates through the mounting sleeve 132, the limit bolt 133 is fixedly screwed with the connecting block 131, the workpiece 10 includes a first bracket 11 and a second bracket 12, the first bracket 11 and the first bracket 11 directly form a through groove 13, the positioning member 110 is inserted into the through groove 13 when being positioned on the workpiece 10, the chute 134 directly has a gap with the connecting block 131 in one direction, the connecting block 131 is movably arranged in the direction from the first bracket 11 to the second bracket 12 in the mounting sleeve 132, and the limit bolt 133 can limit the movement of the connecting block 131 in other directions of the mounting sleeve 132.

In an actual processing scene, after the first bracket 11 and the second bracket 12 are clamped in advance, when the positioning piece 110 is inserted into the through groove 13, the positioning piece 110 is not easy to be inserted into the through groove 13 because the pre-installation accuracy of the first bracket 11 and the second bracket 12 is not high, the positioning piece 110 abuts against the first bracket 11 and the second bracket 12, so that the position and the angle between the first bracket 11 and the second bracket 12 are wrong, the probability of forming defective products after the first bracket 11 and the second bracket 12 are welded is high, the movement of the connecting piece 131 in a certain range (the movement distance range is 1-2 mm) can be performed in the chute 134, the positioning piece 110 can move along the direction from the first bracket 11 to the second bracket 12, the position and the angle between the first bracket 11 and the second bracket 12 when the positioning piece 110 is inserted into the through groove 13 are reduced, the distance change between the first bracket 11 and the second bracket 12 is within the allowable error range of 1-2 mm, and the defective products 10 are reduced.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a work piece location plug for fix a position the work piece, its characterized in that includes the setting element, the setting element includes locating bar, locating piece and locating lever, the locating bar center is provided with the jack, the locating piece divide into sliding block and location portion, the sliding block slip peg graft in the locating bar, the removal of locating lever in the jack makes the sliding block be close to or keep away from to the jack in the locating bar, location portion pass through the bolt fastening in the locating bar.

2. The workpiece positioning mandrel of claim 1, wherein the positioning rod provides for a sliding region of a slider block to communicate with the receptacle.

3. The workpiece positioning mandrel of claim 1, wherein the positioning blocks are arranged in an annular array on the positioning rod, the positioning blocks being arranged in at least three groups on the positioning rod.

4. The workpiece positioning mandrel of claim 1, wherein the positioning rod comprises a sliding portion and a threaded portion, the sliding portion and the sliding block being provided in mutually matching tapered shapes, the threaded portion being threadedly mounted with one end of the positioning rod.

5. The workpiece positioning mandrel as recited in claim 4, wherein an end of the positioning rod remote from the sliding portion is provided with a rotating portion, and an end of the rotating portion is provided with a hexagon socket.

6. The workpiece positioning mandrel of claim 1, further comprising a connector for connecting the adjuster to the positioning member and an adjuster for securing the workpiece positioning mandrel to the apparatus.

7. The workpiece positioning mandrel according to claim 6, wherein the adjusting member comprises a connecting block, a mounting sleeve, a limit bolt and a mounting block, the connecting block is fixed with the connecting member, a chute is formed in the mounting sleeve, one end of the connecting block, which is far away from the connecting member, is slidably mounted in the chute, one end of the mounting block is fixed with the mounting sleeve, the other end of the mounting block is fixedly mounted with the workpiece processing equipment, the limit bolt movably penetrates through the mounting sleeve, the limit bolt is fixedly threaded with the connecting block, the workpiece comprises a first bracket and a second bracket, the first bracket and the first bracket directly form a through groove, the positioning member is inserted into the through groove when positioning the workpiece, a gap is formed between the chute and the connecting block in one direction, and the connecting block is movably arranged in the mounting sleeve along the direction from the first bracket to the second bracket.

8. The work positioning mandrel as claimed in claim 1, wherein a space between the insertion hole and the sliding portion is filled with lubricating oil.

9. The workpiece positioning mandrel as recited in claim 1, wherein an end portion of the slider inserted into the workpiece is provided as a tapered portion.