CN215283150U

CN215283150U - Silica gel mold positioning device

Info

Publication number: CN215283150U
Application number: CN202121756738.2U
Authority: CN
Inventors: 彭述征; 田金刚
Original assignee: Dongguan Huituo Precision Mould Co ltd
Current assignee: Dongguan Huituo Precision Mould Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2021-12-24
Anticipated expiration: 2031-07-29

Abstract

The utility model belongs to the technical field of silica gel processing, a silica gel mould positioner is related to, it includes the guide pillar, the guide pillar is supporting to have the guide pin bushing, and guide pin bushing from interior to exterior is provided with position sleeve and separation cover, and position sleeve, roll district and lubrication area are separated into in proper order to the guide pin bushing from interior to exterior to position sleeve and separation cover, and the separation cover corresponds on and is provided with the roll hole with the position sleeve, is provided with the outstanding ball of orientation district between the roll hole department of separation cover and position sleeve, and the ball is respectively with roll hole department roll connection of separation cover and position sleeve. This application has the effect that alleviates the degree of wear when guide pillar and guide bushing cooperate.

Description

Silica gel mold positioning device

Technical Field

The application relates to the field of silica gel processing, in particular to a silica gel mold positioning device.

Background

The silica gel product has the advantages of high temperature resistance, easy cleaning, long service life, environmental protection, no toxicity and the like. Generally, the manufacture of a silica gel product requires injecting liquid silica gel into a mold for curing, and then taking out the cured and shaped silica gel from the mold to obtain the silica gel product.

The liquid silicone rubber injection mold is usually injected by an injection molding machine, and the mold usually comprises a movable mold and a fixed mold. When injecting, at first mutually supporting movable mould and cover half, pour into liquid silica gel into in the mould again, treat liquid silica gel shaping back, open the movable mould alright take out preliminary fashioned silica gel goods. In the matching process of the movable mold and the fixed mold, the positioning device is required to be used frequently, so that the movable mold and the fixed mold can be accurately positioned mutually, the matching effect of the movable mold and the fixed mold is improved, and the forming effect of silica gel products is improved.

The positioning device generally employs a guide pillar and a guide sleeve, the guide pillar is generally cylindrical, and the guide sleeve is generally cylindrical. When the fixed die and the movable die are close to each other, the guide pillar and the guide sleeve are also close to each other, and the fit clearance between the guide pillar and the guide sleeve is smaller. Through the guide limiting effect of the guide pillar and the guide sleeve, the fixed die and the movable die can be accurately matched. However, certain friction force exists between the guide pillar and the guide sleeve in the matching process of the guide sleeve and the guide pillar, after the guide sleeve and the guide pillar are used for a long time, the guide pillar and the guide sleeve are easily worn to a certain degree, the positioning accuracy of the guide pillar and the guide sleeve is reduced, and the forming quality of a silica gel product is influenced.

SUMMERY OF THE UTILITY MODEL

In order to alleviate the degree of wear when guide pillar and guide bushing cooperate, this application provides a silica gel mould positioner.

The application provides a silica gel mould positioner adopts following technical scheme:

a silica gel mold positioning device comprises a guide pillar, wherein the guide pillar is matched with a guide sleeve, the guide sleeve is provided with a positioning sleeve and a separating sleeve from inside to outside, the positioning sleeve and the separating sleeve sequentially divide the guide sleeve into a positioning area, a rolling area and a lubricating area from inside to outside, the separating sleeve and the positioning sleeve are correspondingly provided with rolling holes, balls protruding towards the positioning area are arranged between the separating sleeve and the rolling holes of the positioning sleeve, and the balls are respectively in rolling connection with the rolling holes of the separating sleeve and the positioning sleeve.

Through adopting above-mentioned technical scheme, through ball and guide pillar roll connection in order to reduce the guide pillar and the guide pin bushing when frictional force, simultaneously, pour into lubricating oil in lubricated district, lubricating oil passes through roll hole and ball contact, makes to be stained with lubricating oil on the ball in order to further reduce the frictional force of guide pillar and guide pin bushing to alleviate the degree of wear when guide pillar and guide pin bushing cooperate, promote the location precision of guide pillar and guide pin bushing, and then promote the shaping quality of silica gel product.

Optionally, the rolling holes of the positioning sleeve and the separating sleeve are correspondingly provided with a plurality of rolling holes, the rolling holes are distributed on the side walls of the positioning sleeve and the separating sleeve at intervals, and the rolling balls are correspondingly provided with a plurality of rolling holes.

Through adopting above-mentioned technical scheme, promote the stability and the smooth degree when the guide pillar inserts the guide pin bushing, make the cooperation of guide pillar and guide pin bushing more in the same direction as smooth.

Optionally, the guide pillar inserting end of the guide sleeve is fixedly connected with the opening end of the partition sleeve to form a closed shape, the opening end of the partition sleeve is fixedly connected with the opening end of the positioning sleeve to form a closed shape, and the side wall of the positioning sleeve and the side wall of the partition sleeve are correspondingly provided with an injection port for injecting lubricating oil into the lubricating area.

Through adopting above-mentioned technical scheme, can reduce impurity and get into rolling district and lubricated district influence ball rolling possibility, promote the rolling smooth and easy degree of ball.

Optionally, the injection port is provided with a sealing plug for sealing the injection port, and the sealing plug abuts against the inner wall of the injection port.

By adopting the technical scheme, the sealing plug can further reduce the possibility that impurities enter the rolling area and the lubricating area.

Optionally, the sealing plug is made of rubber.

Through adopting above-mentioned technical scheme, the sealing plug material of rubber material is soft, can inseparabler closed filling opening to be difficult for coming off from the filling opening.

Optionally, the guide pillar insertion end of the guide sleeve is in an outward-expanding opening shape.

By adopting the technical scheme, the guide pillar is easier to align and insert into the guide sleeve, and the matching fault tolerance of the guide pillar and the guide sleeve is improved.

Optionally, the outer wall of the guide pillar is sleeved with a shock-absorbing spring, and the shock-absorbing spring is abutted to the guide pillar insertion end on the guide sleeve.

Through adopting above-mentioned technical scheme, spring on the guide pillar can be when the mould is closed with the guide pillar of guide pin bushing insert end looks butt to shock between guide pillar and the guide pin bushing when buffering mould is closed reduces the possibility that guide pillar and guide pin bushing damaged.

Optionally, the guide sleeve is detachably and fixedly connected with the mold.

Through adopting above-mentioned technical scheme, be convenient for maintain or replace the guide pin bushing.

Optionally, a connecting piece is arranged between the guide sleeve and the die, the connecting piece is a bolt, the guide sleeve is provided with a through hole, the die is provided with a threaded hole, and the bolt is in threaded connection with the die through the through hole in the guide sleeve.

Through adopting above-mentioned technical scheme, threaded connection convenient and fast to it is firm.

To sum up, the application comprises the following beneficial technical effects:

1. the friction force between the guide pillar and the guide sleeve is reduced through the lubricating oil and the balls in the guide sleeve, the abrasion degree of the guide pillar and the guide sleeve in matching is reduced, and the positioning accuracy of the guide pillar and the guide sleeve is improved, so that the molding quality of a silica gel product is improved;

2. the guide pillar inserting end of the guide sleeve, the corresponding end of the positioning sleeve and the corresponding end of the separation sleeve are closed, the possibility that impurities enter a rolling area and a lubricating area to influence rolling of the ball can be reduced, and the rolling smooth degree of the ball is improved.

Drawings

Fig. 1 is an application schematic diagram of a silica gel mold positioning device according to the present application.

Fig. 2 is a schematic view of an application of a guide pillar of the positioning device for a silicone mold according to the present application.

Fig. 3 is a schematic view of the overall structure of a guide sleeve of the positioning device for a silica gel mold according to the present application.

Fig. 4 is a schematic view of a guide sleeve application of the positioning device for a silica gel mold according to the present application.

Fig. 5 is a schematic vertical sectional view of a guide sleeve of a positioning device for a silicone mold according to the present application.

Description of reference numerals:

1. a guide post; 11. a mounting seat; 12. a shock absorbing spring; 13. a bolt; 2. a guide sleeve; 21. a positioning sleeve; 211. rolling the hole; 212. a positioning area; 22. a separation sleeve; 221. an injection port; 2211. a sealing plug; 222. a scrolling region; 223. a lubrication zone; 23. a ball bearing; 24. inserting the guide pillar into the end; 31. fixing a mold; 311. a groove; 32. and (4) moving the mold.

Detailed Description

The present application is described in further detail below.

The embodiment discloses a silica gel mold positioning device, referring to fig. 1, which includes a guide pillar 1, the guide pillar 1 is matched with a guide sleeve 2, and in combination with fig. 5, the guide sleeve 2 is provided with a positioning sleeve 21 and a separating sleeve 22 from inside to outside, and the positioning sleeve 21 and the separating sleeve 22 divide the guide sleeve 2 into a positioning area 212, a rolling area 222 and a lubricating area 223 from inside to outside in sequence. The separating sleeve 22 and the positioning sleeve 21 are correspondingly provided with rolling holes 211, and balls 23 are arranged between the separating sleeve 22 and the rolling holes 211 of the positioning sleeve 21.

As shown in fig. 1, the silicone mold includes a movable mold 32 and a fixed mold 31. The movable mold 32 is disposed opposite to the fixed mold 31. In the present embodiment, the fixed mold 31 is located below the movable mold 32. The movable mold 32 and the fixed mold 31 are both rectangular and horizontally disposed.

As shown in fig. 2, the guide post 1 is in a long cylindrical shape, and the axis is vertically arranged. The bottom end of the guide post 1 is provided with a mounting seat 11. The mounting seat 11 is plate-shaped, the plane is vertical to the axis of the guide post 1, and the center of the top surface of the mounting seat 11 is fixedly connected with the bottom end of the guide post 1. The edge of the surface of the mounting seat 11 is provided with a plurality of through holes, and the edge of the top of the movable mold 32 is provided with a plurality of threaded holes. The mounting seat 11 is matched with a bolt 13, and the bolt 13 penetrates through a through hole of the mounting seat 11 to be connected with the thread of the movable die 32. The guide post 1 is detachably and fixedly connected with the movable die 32 through a bolt 13.

The outer wall of the lower part of the guide post 1 is sleeved with a shock absorbing spring 12. The contraction direction of the suspension spring 12 is the same as the axis of the guide post 1, and the axis coincides with the axis of the guide post 1. The bottom end of the shock absorbing spring 12 is fixedly connected with the bottom end of the guide pillar 1.

Referring back to fig. 1, a guide sleeve 2 is disposed below the guide post 1. The guide sleeve 2 is matched with the guide pillar 1. As shown in fig. 3, the guide sleeve 2 is cylindrical and has a vertical axis. The top end of the guide sleeve 2 is open and is in an outward expansion shape, and the open end is called as a guide pillar insertion end. The bottom end of the guide sleeve 2 is also provided with a mounting seat 11. The bottom end of the guide sleeve 2 is fixedly connected with the center of the mounting seat 11. The edge of the surface of the mounting seat 11 is provided with a plurality of through holes.

As shown in fig. 4, a groove 311 for accommodating the guide bush 2 is provided at a corner of the top of the fixed mold 31. The top end of the groove 311 is higher than the guide post insertion end of the guide sleeve 2, and the bottom wall of the groove 311 is provided with a plurality of threaded holes. As shown in fig. 3, the mounting seat 11 is provided with a bolt 13, and the bolt 13 passes through a through hole of the mounting seat 11 and is in threaded connection with the fixed mold 31. The guide sleeve 2 is detachably and fixedly connected with the fixed die 31 through a bolt 13.

As shown in fig. 5, a positioning sleeve 21 is provided in the guide sleeve 2. The locating sleeve 21 is in a circular tube shape, the axis is vertically arranged, the top end and the bottom end of the locating sleeve 21 are opened, and the top end is also in an outward expansion shape. The position sleeve 21 inlays in guide pin bushing 2, leaves the space between the outer wall of position sleeve 21 and the inner wall of guide pin bushing 2 to the axis of position sleeve 21 and the coincidence of the axis of guide pin bushing 2. The bottom end of the positioning sleeve 21 is fixedly connected with the inner wall of the bottom wall of the guide sleeve 2. The side wall of the positioning sleeve 21 is provided with a plurality of rolling holes 211, and the rolling holes 211 are circular holes and penetrate through the positioning sleeve 21. The rolling holes 211 are distributed on the side wall of the positioning sleeve 21 and are evenly spaced.

A separation sleeve 22 is arranged between the guide sleeve 2 and the positioning sleeve 21. The separating sleeve 22 is also in the shape of a circular tube, and the top end and the bottom end of the separating sleeve are open, and the axis of the separating sleeve coincides with the axis of the guide sleeve 2. The side wall of the separating sleeve 22 is also provided with a plurality of rolling holes 211, and the rolling holes 211 on the separating sleeve 22 correspond to the rolling holes 211 of the positioning sleeve 21 one by one. The top end of the separation sleeve 22 is respectively fixedly connected with the top end of the guide sleeve 2 and the top end of the positioning sleeve 21 in a closed shape, and the bottom end of the separation sleeve 22 is fixedly connected with the inner wall of the bottom wall of the guide sleeve 2.

The guide sleeve 2 is divided into a positioning area 212, a rolling area 222 and a lubricating area 223 by the positioning sleeve 21 and the separating sleeve 22 from inside to outside in sequence. An injection port 221 for injecting lubricating oil into the lubricating area 223 is provided at the side wall of the top end of the spacer 22 and the side wall of the top end of the positioning sleeve 21. The injection port 221 penetrates the positioning sleeve 21 and the separating sleeve 22. The injection port 221 is provided with a sealing plug 2211 for closing the injection port 221. The sealing plug 2211 is in close contact with the inner wall of the injection port 221. The sealing plug 2211 is made of rubber material 2211.

Balls 23 are provided between the spacer 22 and the rolling holes 211 of the positioning sleeve 21. The balls 23 protrude into the positioning area 212 through the rolling holes 211 of the positioning sleeve 21. When the guide post 1 is inserted, the balls 23 are respectively connected with the rolling holes 211 of the positioning sleeve 21 and the separating sleeve 22 in a rolling way, and the protruding part of the ball 23 is connected with the guide post 1 in a rolling way. Simultaneously, the bottom of the suspension spring 12 on the guide pillar 1 is butted and compressed with the guide pillar insertion end to cushion the vibration generated when the guide pillar 1 is matched with the guide sleeve 2, and the possibility of damaging the guide pillar 1 and the guide sleeve 2 is reduced.

The implementation principle of the positioning device for the silica gel mold in the embodiment is as follows: lubricating oil is injected into the lubricating region 223 through the injection port 221. In the process of inserting the guide post 1 into the guide sleeve 2, when the balls 23 in the rolling area 222 roll, the lubricating oil will be stained on the surfaces of the balls 23, and the lubricating oil on the balls 23 will be smeared on the outer surface of the guide post 1, so that the process of inserting the guide post 1 into the guide sleeve 2 is smoother. Through the mode, the friction force of the guide pillar 1 and the guide sleeve 2 is reduced, the degree of wear of the guide pillar 1 and the guide sleeve 2 during matching can be reduced, the positioning accuracy of the guide pillar 1 and the guide sleeve 2 is improved, and the forming quality of a silica gel product is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a silica gel mould positioner, includes guide pillar (1), its characterized in that: the guide post (1) is matched with a guide sleeve (2), the guide sleeve (2) is provided with a positioning sleeve (21) and a separating sleeve (22) from inside to outside, the positioning sleeve (2) is sequentially divided into a positioning area (212), a rolling area (222) and a lubricating area (223) from inside to outside by the positioning sleeve (21) and the separating sleeve (22), rolling holes (211) are correspondingly formed in the separating sleeve (22) and the positioning sleeve (21), balls (23) protruding towards the positioning area (212) are arranged between the separating sleeve (22) and the rolling holes (211) of the positioning sleeve (21), and the balls (23) are respectively in rolling connection with the rolling holes (211) of the separating sleeve (22) and the positioning sleeve (21).

2. The silica gel mold positioning device according to claim 1, wherein: the positioning sleeve (21) and the rolling holes (211) of the separating sleeve (22) are correspondingly provided with a plurality of rolling holes (211), the rolling holes (211) are distributed on the side walls of the positioning sleeve (21) and the separating sleeve (22) uniformly at intervals, and the balls (23) are correspondingly provided with a plurality of rolling holes.

3. The silica gel mold positioning device according to claim 1, wherein: the guide post inserting end of the guide sleeve (2) is fixedly connected with the opening end of the separating sleeve (22) to form a closed shape, the opening end of the separating sleeve (22) is fixedly connected with the opening end of the positioning sleeve (21) to form a closed shape, and the side wall of the positioning sleeve (21) and the side wall of the separating sleeve (22) are correspondingly provided with an injection port (221) used for injecting lubricating oil into the lubricating area (223).

4. The silica gel mold positioning device according to claim 3, wherein: the injection port (221) is matched with a sealing plug (2211) for sealing the injection port (221), and the sealing plug (2211) is abutted to the inner wall of the injection port (221).

5. The silica gel mold positioning device according to claim 4, wherein: the sealing plug (2211) is made of rubber (2211).

6. The silica gel mold positioning device according to claim 1, wherein: the guide post insertion end of the guide sleeve (2) is in an outward-expanding opening shape.

7. The silica gel mold positioning device according to claim 1, wherein: the outer wall of the guide pillar (1) is sleeved with a shock-absorbing spring (12), and the shock-absorbing spring (12) is abutted to the guide pillar insertion end on the guide sleeve (2).

8. The silica gel mold positioning device according to claim 1, wherein: the guide sleeve (2) is detachably and fixedly connected with the die.

9. The silica gel mold positioning device according to claim 8, wherein: and a connecting piece is arranged between the guide sleeve (2) and the die, the connecting piece adopts a bolt (13), the guide sleeve (2) is provided with a through hole, the die is provided with a threaded hole, and the bolt (13) is in threaded connection with the die through the through hole in the guide sleeve (2).