CN215620248U

CN215620248U - Guide pillar and guide sleeve assembly for precision die

Info

Publication number: CN215620248U
Application number: CN202121556706.8U
Authority: CN
Inventors: 周华军
Original assignee: Kunshan Shengweinuo Precision Mould Co ltd
Current assignee: Kunshan Shengweinuo Precision Mould Co ltd
Priority date: 2021-07-09
Filing date: 2021-07-09
Publication date: 2022-01-25
Anticipated expiration: 2031-07-09

Abstract

The utility model relates to the technical field of dies, in particular to a guide pillar and guide sleeve assembly for a precision die, which solves the defects of low processing precision and inconvenient disassembly and assembly in the prior art and comprises a mounting template, wherein the mounting template is provided with mounting holes which are symmetrically arranged and penetrate through the mounting template, guide pillars are nested inside the mounting holes, the four guide pillars are symmetrically arranged, and guide sleeves are movably sleeved outside the four guide pillars; the guide post is characterized in that a screw rod is rotatably mounted inside the guide post through a bearing, an adjusting piece is sleeved outside the screw rod, a limiting ring is fixedly connected to the adjusting piece, the limiting ring is sleeved outside the guide post, and the limiting ring is located below the guide sleeve. Through the arrangement of structures such as the screw rod, the limiting ring, the adjusting piece and the like, the limiting ring for positioning is additionally arranged on the guide pillar, the guide sleeve and the moving stroke fixed on the template outside the guide sleeve can be limited through the guide pillar, the processing precision is improved, and the error forming is avoided.

Description

Guide pillar and guide sleeve assembly for precision die

Technical Field

The utility model relates to the technical field of dies, in particular to a guide pillar and guide sleeve assembly for a precision die.

Background

The die refers to various dies and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material.

At present, a guide column and a guide sleeve of a part of a die are only used for guiding a movable die plate, the moving stroke of the die plate is completely controlled by a driving source, when a control system makes a mistake or the driving source has an error, a product can be molded by mistake, and the processing precision is low; in addition, the two ends of the traditional guide pillar are directly installed with the fixed template, the whole die needs to be dismounted after the guide pillar is damaged, and the operation difficulty is high, time and labor are wasted.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects of low processing precision and inconvenience in disassembly and assembly in the prior art, and provides a guide pillar and guide sleeve assembly for a precision die.

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

the guide post and guide sleeve assembly for the precision die comprises a mounting template, wherein mounting holes which are symmetrically arranged and penetrate through the mounting template are formed in the mounting template, guide posts are nested inside the mounting holes, the number of the guide posts is four, the guide posts are symmetrically arranged, and guide sleeves are movably sleeved outside the four guide posts;

the guide post is characterized in that a screw rod is rotatably mounted inside the guide post through a bearing, an adjusting piece is sleeved outside the screw rod, a limiting ring is fixedly connected to the adjusting piece, the limiting ring is sleeved outside the guide post, and the limiting ring is located below the guide sleeve.

Preferably, the fixing device further comprises a fixing seat, a guide hole penetrating through the fixing seat is formed in the fixing seat, the bottom end of the guide pillar is fixed in the guide hole, and the fixing seat is fixed at the bottom of the mounting template through a sunk screw.

Preferably, the guide pillar is internally provided with an inner hole and a rectangular groove which are communicated in sequence, the rectangular groove is provided with two rectangular grooves which are symmetrically distributed on two sides of the inner hole, and the screw rod is arranged in the inner hole and is coaxial with the inner hole.

Preferably, the adjusting part comprises a nut sleeved outside the screw rod, connecting blocks are fixed on two sides of the nut, the connecting blocks are connected with the rectangular grooves in a sliding mode, and the connecting blocks are fixedly connected with the limiting rings through screws.

The utility model has the beneficial effects that:

1. according to the utility model, the limiting ring for positioning is additionally arranged on the guide post through the arrangement of the screw, the limiting ring, the adjusting piece and other structures, the guide post can limit the moving stroke of the guide sleeve and the template fixed outside the guide sleeve, the processing precision is improved, and the error forming is avoided.

2. According to the utility model, the guide pillar penetrates through the template to be installed through the arrangement of the structures such as the fixed seat and the installation hole, and the fixed seat is fixed with the bottom of the template, so that the guide pillar can be directly drawn out from the bottom when being replaced, the replacement and maintenance are convenient, the disassembly and assembly difficulty is reduced, and the labor and the working hours are saved.

Drawings

FIG. 1 is a schematic structural view of a guide pillar and guide sleeve assembly for a precision mold according to the present invention;

FIG. 2 is another schematic view of a guide post and guide sleeve assembly for a precision mold according to the present invention;

FIG. 3 is a schematic structural view of the guide post and the fixing base according to the present invention;

FIG. 4 is a schematic structural view of the guide post according to the present invention;

FIG. 5 is an exploded view of the guide post and guide sleeve according to the present invention;

FIG. 6 is a cross-sectional view of the guide post proposed by the present invention;

fig. 7 is a schematic structural diagram of the installation form of the present invention.

In the figure: the device comprises a mounting template 1, a mounting hole 11, a guide post 2, a limiting ring 21, a rectangular groove 22, an adjusting piece 23, a 231 connecting block, a 232 nut, a 24 screw rod, a 25 bearing, an inner hole 26, a 3 fixing seat and a 4 guide sleeve.

Detailed Description

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

Referring to fig. 1-7, a guide pillar and guide sleeve assembly for a precision mold comprises a mounting template 1, wherein the mounting template 1 is provided with mounting holes 11 which are symmetrically arranged and penetrate through the mounting template 1, guide pillars 2 are nested inside the mounting holes 11, the guide pillars 2 are arranged in four symmetrical arrangements, and guide sleeves 4 are movably sleeved outside the four guide pillars 2; the inside of guide pillar 2 is rotated through bearing 25 and is installed screw rod 24, and the outside cover of screw rod 24 is equipped with adjusting part 23, and fixedly connected with spacing ring 21 on adjusting part 23, the outside at guide pillar 2 is established to spacing ring 21 cover, and spacing ring 21 is located the below of guide pin bushing 4.

Wherein, through the screw rod 24, the setting of spacing ring 21 and regulating part 23 isotructure, add the spacing ring 21 that is used for the location on guide pillar 2, can restrict guide pin bushing 4 and fix the removal stroke at the guide pin bushing 4 outside template through guide pillar 2, machining precision is improved, the error shaping has been avoided, through fixing base 3, the setting of mounting hole 11 isotructure, run through the template installation with guide pillar 2, it is fixed with the bottom of template to adopt fixing base 3, can directly take out guide pillar 2 from the bottom when changing guide pillar 2, be convenient for change the maintenance, the dismouting degree of difficulty has been reduced, use manpower sparingly and man-hour.

Still include fixing base 3, the guide hole that runs through self is seted up to fixing base 3's inside, the inside at the guide hole is seted up to the bottom mounting of guide pillar 2, fixing base 3 passes through countersunk screw and fixes the bottom at installation template 1, hole 26 and rectangular channel 22 that are linked together are seted up in proper order to the inside of guide pillar 2, rectangular channel 22 is provided with two and symmetric distribution in the both sides of hole 26, screw rod 24 installs in the inside of hole 26 and with the coaxial setting of hole 26, regulating part 23 establishes at the outside nut 232 of screw rod 24 including the cover, the both sides of nut 232 all are fixed with connecting block 231, connecting block 231 and rectangular channel 22 sliding connection, and connecting block 231 passes through screw fixed connection with spacing ring 21.

In the embodiment, when the die works, the movable die plate is assembled outside the guide sleeve 4 and slides downwards along the guide post 2, the die closing action is completed after the movable die plate and the guide sleeve 4 are contacted with the limiting ring 21, the screw rod 24 can be rotated to adjust according to different product size requirements, and the screw rod 24 drives the nut 232 and the adjusting piece 23 outside the screw rod to move together, so that the limiting ring 21 is driven to move to adjust the height of the limiting ring, and the die closing stroke is changed;

further, when the guide pillar 2 is replaced, the guide pillar 2 can be directly taken out from the bottom only by detaching the fixed seat 3 at the bottom, so that the dismounting is convenient and fast, and the labor is saved.

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 person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The guide post and guide sleeve assembly for the precision die comprises a mounting template (1), and is characterized in that the mounting template (1) is provided with mounting holes (11) which are symmetrically arranged and penetrate through the mounting template, guide posts (2) are nested inside the mounting holes (11), the guide posts (2) are arranged in four symmetrical arrangements, and guide sleeves (4) are movably sleeved outside the four guide posts (2);

the guide post is characterized in that a screw rod (24) is rotatably mounted in the guide post (2) through a bearing (25), an adjusting piece (23) is sleeved outside the screw rod (24), a limiting ring (21) is fixedly connected to the adjusting piece (23), the limiting ring (21) is sleeved outside the guide post (2), and the limiting ring (21) is located below the guide sleeve (4).

2. The guide post and guide sleeve assembly for the precision die as claimed in claim 1, further comprising a fixed seat (3), wherein a guide hole is formed in the fixed seat (3) and penetrates through the fixed seat, the bottom end of the guide post (2) is fixed in the guide hole, and the fixed seat (3) is fixed at the bottom of the mounting template (1) through a countersunk head screw.

3. The guide post and guide sleeve assembly for the precision die is characterized in that an inner hole (26) and a rectangular groove (22) which are communicated with each other are sequentially formed in the guide post (2), two rectangular grooves (22) are arranged and symmetrically distributed on two sides of the inner hole (26), and the screw rod (24) is installed in the inner hole (26) and is coaxially arranged with the inner hole (26).

4. The guide post and guide sleeve assembly for the precision die as claimed in claim 3, wherein the adjusting member (23) comprises a nut (232) sleeved outside the screw rod (24), connecting blocks (231) are fixed on both sides of the nut (232), the connecting blocks (231) are slidably connected with the rectangular groove (22), and the connecting blocks (231) are fixedly connected with the limiting ring (21) through screws.