CN217966722U

CN217966722U - Special positioning tool

Info

Publication number: CN217966722U
Application number: CN202222305220.8U
Authority: CN
Inventors: 邓驰
Original assignee: Xiamen Hongxinda Precision Technology Co ltd
Current assignee: Xiamen Hongxinda Precision Technology Co ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2022-12-06
Anticipated expiration: 2032-08-31

Abstract

The utility model discloses a special positioning tool, which comprises a fixed seat, a sliding seat, a positioning plate and a pressing piece, wherein the fixed seat is provided with a linear slide rail, and the sliding seat is slidably arranged on the linear slide rail; the positioning plate is provided with a positioning groove matched with a workpiece, and the two pressing pieces are assembled at two ends of the positioning plate so as to press the workpiece; the pressing piece is inserted with the positioning pin rod, and the positioning pin rod penetrates through the pressing piece and extends into a hole of the workpiece. The sliding seat of the utility model is assembled on the fixed seat in a sliding way, the sliding seat is fixed with a positioning plate, and the positioning plate is provided with a positioning groove matched with the workpiece, thereby effectively positioning the workpiece, and the workpiece is compressed by the compression piece, so that the positioning stability of the workpiece is further improved; additionally, in the utility model discloses in cartridge locating pin pole on the casting die, the hole of seting up on this locating pin pole and the work piece is pegged graft, improves the positioning accuracy, promotes product quality and machining precision, solves the technical problem who exists among the prior art.

Description

Special positioning tool

Technical Field

The utility model belongs to the technical field of the special location frock of work piece processing usefulness and specifically relates to a can be according to the special location frock of accurate positioning work piece.

Background

As shown in fig. 1, in the processing process of the product a, a workpiece (the workpiece is a processing blank of the product a) is positioned, and then the operations of hole opening and surface processing are sequentially performed, so as to finally obtain the product a.

The existing positioning tool for a workpiece in the processing of a product A is used for clamping and positioning a traditional vice, and obviously, technical personnel involved in and slightly having common sense of machining have the defects of obvious clamping trace, unstable clamping and the like in vice positioning.

Therefore, how to improve the existing special positioning tool special for product production and processing, improve the positioning stability of the workpiece, and improve the processing precision of the product is one of the technical problems to be solved by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem that exists among the above-mentioned prior art, utility model's aim at provides one kind can be according to the special location frock of accurate positioning work piece.

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

the utility model provides a special location frock, its includes fixing base, sliding seat, locating plate and casting die, wherein:

the fixed seat is provided with a linear slide rail, and the sliding seat is slidably arranged on the linear slide rail;

the positioning plate is provided with a positioning groove matched with a workpiece, and the two pressing pieces are assembled at two ends of the positioning plate so as to press the workpiece;

the casting die is inserted with a positioning pin rod, and the positioning pin rod penetrates through the casting die and extends into a hole of the workpiece.

Further preferably: the casting die includes bolt, nut, briquetting, wherein:

the bolt penetrates through the positioning plate and the pressing block and is in threaded connection with the nut;

the pressing block is provided with a positioning hole which is communicated with a hole of the workpiece;

and the positioning pin rod penetrates through the positioning hole and extends into the hole of the workpiece.

Further preferred is: the locating pin rod is a cylindrical rod body.

Further preferred is: the positioning pin rod comprises a threaded sleeve and a screw rod, the threaded sleeve is embedded in the positioning hole, and the screw rod is in threaded connection with the threaded sleeve.

Further preferred is: the inner hole of the threaded sleeve is a screw hole, and the inner diameter of the screw hole is consistent with that of the upper hole of the workpiece.

Further preferred is: the fixing seat is provided with a sliding groove, and the linear sliding rail is installed in the sliding groove.

Further preferred is: the sliding seat is an I-shaped block, one end of which extends into the sliding chute and is connected with the linear sliding rail in a sliding manner.

Further preferred is: the depth of the positioning groove is smaller than the thickness of the workpiece.

After the technical scheme is adopted, compared with the background art, the utility model, have following advantage:

the sliding seat of the utility model is assembled on the fixed seat in a sliding way, the sliding seat is fixed with a positioning plate, and the positioning plate is provided with a positioning groove matched with the workpiece, thereby effectively positioning the workpiece, and the workpiece is compressed by the compression piece, so that the positioning stability of the workpiece is further improved; additionally, in the utility model discloses in cartridge locating pin pole on the casting die, the hole of seting up on this locating pin pole and the work piece is pegged graft, improves the positioning accuracy, promotes product quality and machining precision, solves the technical problem who exists among the prior art.

Drawings

FIG. 1 is a schematic structural view of a product;

fig. 2 is a schematic structural diagram of the special positioning tool in the embodiment of the present invention;

fig. 3 is a structural sectional view of the special positioning tool in the embodiment of the present invention;

FIG. 4 is an enlarged view of the structure at Q of FIG. 3;

fig. 5 is a first schematic structural view of the positioning pin rod according to the embodiment of the present invention (the positioning pin rod is a cylindrical rod body);

fig. 6 is a second schematic structural diagram (the positioning pin is a kit) of the positioning pin according to the embodiment of the present invention.

The reference numerals of the above description refer to the following:

A. the product comprises 100 parts of a fixed seat, 110 parts of a cylinder, 200 parts of a sliding seat, 300 parts of a positioning plate, 301 parts of a positioning groove, 310 parts of a positioning lug, 400 parts of a pressing piece, 410 parts of a bolt, 420 parts of a pressing block, 430 parts of a nut.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are all based on the orientation or position relationship shown in the drawings, and are only for convenience of description, but not for indication or suggestion that the device or element of the present invention must have a specific orientation, and thus cannot be understood as a limitation of the present invention.

Examples

As shown in fig. 2 to 4, a special positioning tool is dedicated to the production and processing of a product a, and realizes stable and accurate positioning of a workpiece by using a mounting hole a formed in the product a, thereby improving the processing accuracy of the product a.

As shown in fig. 2 to 4, the special positioning tool includes a fixing base 100, a sliding base 200, a positioning plate 300 and a pressing member 400.

As shown in fig. 2 to 4, the fixing base 100 is fixed on a processing table, the processing table is a support with a certain height and providing a plane, the height of the support is adapted to the height of most operators and is ergonomic, and the top surface of the support is the plane. The fixing seat 100 is fixed on the plane, the fixing seat 100 is a rectangular block, a sliding groove is formed in the long edge along the square edge, the sliding groove is a dovetail groove, two linear sliding rails are installed in the sliding groove, and the two linear sliding rails are arranged in parallel at intervals.

As shown in fig. 2 to 4, the sliding seat 200 is an i-shaped block, and one end of the i-shaped block extends into the sliding groove and is slidably connected to the linear sliding rail. Specifically, the method comprises the following steps: a pulley or a sliding block is installed at one end of the sliding seat 200, and one end of the sliding seat 200, which is equipped with the pulley or the sliding block, extends into the sliding groove and is connected with the linear sliding rail in a sliding manner. Preferably: one end of the sliding seat 200 is shaped to fit the shape of the dovetail groove.

As shown in fig. 2 to 4, the sliding seat 200 is connected to an output end of the cylinder 110. It should be noted that: the cylinder 110 is arranged along the long side direction of the fixing base 100 and fixed at one end of the fixing base 100, and the output end of the cylinder 110 is connected with the sliding base 200 and drives the sliding base 200 to slide and move along the direction of the linear slide rail, so as to correspond to the position of the machining tool.

As shown in fig. 2 to 4, the positioning plate 300 is a rectangular plate fixed at the other end of the sliding seat 200, and a positioning groove 301 is formed in a side surface of the positioning plate facing away from the sliding seat 200, and the positioning groove 301 is adapted to the product a and is used for embedding a workpiece before the product a is processed, so as to position the workpiece. The depth of the positioning groove 301 is smaller than the thickness of the workpiece.

Specifically, the method comprises the following steps: the both ends of locating plate 300 along its long limit direction are provided with location ear 310, every location ear 310 all with locating plate 300 is integrative to be linked to each other, and the thickness of location ear 310 is less than locating plate 300's thickness. Each positioning lug 310 is provided with a through hole.

As shown in fig. 2 to 4, the pressing member 400 is assembled at the positioning lug 310 of the positioning plate 300, that is: the number of the pressing member 400 is two, and two pressing members 400 are fitted to two of the positioning lugs 310.

As shown in fig. 2 to 4, each pressing member 400 includes a bolt 410, a nut 430, and a pressing block 420, wherein the bolt 410 passes through the positioning plate 300 and the pressing block 420 and is screwed with the nut 430; a positioning hole is formed in the pressing block 420 and is communicated with a hole of a workpiece; the locating pin 500 passes through the locating hole and extends into the hole of the workpiece. Specifically, the method comprises the following steps: the pressing block 420 is provided with a through hole, the pressing block 420 abuts against the positioning lug 310 of the positioning plate 300, the nut 430 abuts against the pressing block 420, the bolt 410 penetrates through the through hole in the positioning lug 310, then penetrates through the through hole in the pressing block 420, and then is in threaded connection with the nut 430, so that the pressing block 420 is abutted against through the nut 430, and the pressing block 420 abuts against a workpiece to realize the pressing and positioning of the corresponding position of the pipe fitting.

As shown in fig. 2 to 4, the pressing piece 420 is a stepped pressing piece 420, that is: the pressing block 420 includes a fixing portion and a pressing portion connected integrally, and the thickness of the fixing portion is smaller than that of the pressing portion, that is to say: the fixing part and the pressing part form a step-shaped step surface on the side surface far away from the positioning block. The fixing portion is provided with the through hole for penetrating the bolt 410, the pressing portion is provided with the positioning hole, and the positioning pin 500 can be assembled in the positioning hole, that is to say: the nut 430 is located at a fixing portion of the pressing block 420, and the pressing portion presses against a side surface of the workpiece far away from the positioning plate 300.

It should be noted that: the workpiece is provided with a hole to finish part of the workpiece machining, and the positioning hole is arranged corresponding to and communicated with the hole position of the workpiece, so that the positioning pin rod 500 is inserted, and the workpiece is accurately inserted and positioned.

As shown in fig. 2 to 5, the positioning pin 500 is a cylindrical rod, and one end of the positioning pin extends out of the positioning hole. That is to say: the length of the positioning pin rod 500 along the axial direction is greater than the depth of the positioning hole and the hole on the workpiece, so that one end of the positioning pin rod 500, which is far away from the positioning block, extends out of the positioning hole.

As shown in fig. 2, 3, 4 and 6, the positioning pin 500 may also be a kit, which includes a threaded sleeve 510 and a threaded rod 520, wherein the threaded sleeve 510 is embedded in the positioning hole, and the threaded rod 520 is screwed into the threaded sleeve 510; the thread insert 510 is a tubular body, and a thread section is formed on the inner wall of the tubular body. Specifically, the method comprises the following steps: the premise is that: the inner diameter of the positioning hole is larger than that of the workpiece upper hole, that is, after the threaded sleeve 510 is embedded in the positioning hole, the inner diameter of the threaded sleeve 510 is the same as that of the workpiece upper hole, and the screw 520 is a bolt which is screwed into the threaded sleeve 510 and extends into the workpiece upper hole or rotates out of the workpiece upper hole through rotation.

With reference to fig. 1 to 4, when the raw material workpiece of the product a is processed by the special positioning tool, the processing procedure is as follows:

opening a hole: a workpiece is embedded in the positioning groove 301 of the positioning plate 300, two pressing pieces 400 are used for pressing two ends of the workpiece, and each pressing piece 400 realizes the pressing and positioning of the workpiece through adjusting the position of the nut 430 relative to the bolt 410; then, the position of the positioning plate 300 is adjusted by using the air cylinder 110 until the workpiece corresponds to the hole opening tool, and then the hole opening operation is performed on the workpiece by using the tool;

processing the dough: the workpiece can be turned over or not according to the requirement, the pressing block 420 adjusts the position according to the requirement, corresponds to and is communicated with the hole formed in the workpiece, and is matched with the inserting and connecting positioning pin rod 500, so that the positioning pin rod 500 is inserted into the hole in the workpiece, the positioning pin rod is further accurately positioned, the accuracy of the surface machining process is ensured, and what needs to be explained is that: whether each pressing block 420 is inserted with the positioning pin rod 500 or not and the relative position can be adjusted according to the requirement of surface processing. That is to say: and adjusting the position of one pressing block 420 and inserting the positioning pin rod 500, thereby finishing the processing of the part surface of the workpiece which is not pressed by the pressing block 420, then pressing the workpiece by using the pressing block 420 of the finished surface processing part and inserting the positioning pin rod 500, positioning, and then finishing the surface processing operation of the rest part, thereby obtaining the product A.

The positioning pin 500 can be inserted into and positioned in a corresponding hole on the workpiece, and it should be noted that: the outside diameter of the dowel pin 500 inserted into the upper hole portion of the workpiece is matched to the inside diameter of the upper hole of the workpiece.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. Special location frock, its characterized in that: it includes fixing base, sliding seat, locating plate and casting die, wherein:

the pressing piece is inserted with the positioning pin rod, and the positioning pin rod penetrates through the pressing piece and extends into a hole of the workpiece.

2. The special positioning tool according to claim 1, characterized in that: the casting die includes bolt, nut, briquetting, wherein:

the pressing block is provided with a positioning hole which is communicated with a hole of a workpiece;

the positioning pin rod penetrates through the positioning hole and extends into the hole of the workpiece.

3. The special positioning tool according to claim 2, characterized in that: the locating pin rod is a cylindrical rod body.

4. The special positioning tool according to claim 2, wherein: the positioning pin rod comprises a threaded sleeve and a screw rod, the threaded sleeve is embedded in the positioning hole, and the screw rod is in threaded connection with the threaded sleeve.

5. The special positioning tool according to claim 4, wherein: the inner hole of the threaded sleeve is a screw hole, and the inner diameter of the screw hole is consistent with that of the upper hole of the workpiece.

6. The special positioning tool according to claim 1, characterized in that: the fixing seat is provided with a sliding groove, and the linear sliding rail is installed in the sliding groove.

7. The special positioning tool according to claim 6, wherein: the sliding seat is an I-shaped block, one end of which extends into the sliding chute and is connected with the linear sliding rail in a sliding manner.

8. The special positioning tool according to claim 1, characterized in that: the depth of the positioning groove is smaller than the thickness of the workpiece.