CN219947107U - Slide glue feeding die structure - Google Patents

Abstract

The utility model discloses a slide glue feeding mold structure, which relates to the field of injection molds and comprises a front mold and a rear mold, wherein the rear mold is provided with a glue feeding runner, the front mold is provided with a cavity, the front mold is provided with a slide groove communicated with the cavity, a slide mechanism is arranged in the slide groove in a sliding manner, one end of the rear mold, which is close to the front mold, is provided with an inclined ejection mechanism, the inclined ejection mechanism is connected with the slide mechanism and drives the slide mechanism to move back and forth in the slide groove, the inside of the slide mechanism is provided with a gate cavity, one end of the slide mechanism, which is close to the cavity, is provided with a glue feeding port communicated with the cavity and the gate cavity, the inside of the rear mold is provided with a glue feeding runner, and one end of the slide mechanism, which is close to the rear mold, is provided with a glue feeding groove communicated with the glue feeding runner and the gate cavity. When the line position mechanism acts, the gate material formed by the gate cavity, the gate cavity and the glue inlet is separated from the glue inlet, and no friction exists between the gate material and the line position when the line position moves, so that no rubber powder is produced.

Description

Slide glue feeding die structure

Technical Field

The utility model relates to the field of injection molds, in particular to a slide glue feeding mold structure.

Background

In a traditional submersible glue feeding mode in an injection mold, a glue feeding pouring gate penetrates through a row position, and the bottom of the row position is provided with the pouring gate so as to facilitate glue feeding into a cavity. The pouring gate and the runner are arranged at the bottom of the slide, and when the slide moves, the pouring gate and the runner are rubbed with the bottom surface of the slide, so that rubber powder is easily generated by the pouring gate material, and the slide moves and is blocked. In the submersible glue feeding mode, the pouring gate material is easy to fly after being ejected out and falls into the clearance groove to cause the pressing die.

Disclosure of Invention

The utility model aims to provide a slide glue feeding die structure, which is used for solving the problem that the submarine gate provided in the background art is blocked and burnt during slide movement.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a move position and advance gluey mould structure, includes front mould and rear mould, the rear mould is equipped with the injecting glue runner, the front mould is equipped with the die cavity, the front mould seted up the row's position groove with the die cavity intercommunication, it is equipped with a position mechanism to slide in the row's position groove, the rear mould is close to the one end of front mould and is equipped with the oblique roof mechanism, the oblique roof mechanism is connected and drive a position mechanism and do reciprocating movement in a position groove of going, it is equipped with the runner cavity to go the position mechanism inside, the one end that a position mechanism is close to the die cavity is equipped with the glue inlet of intercommunication die cavity and runner cavity, the inside glue runner that advances that is equipped with of rear mould, the one end that a position mechanism is close to the rear mould is equipped with the glue runner that advances of intercommunication and runner cavity. The glue feeding groove is formed in the surface of the line position mechanism, glue is fed into the pouring gate cavity through the line position of the line position mechanism, glue in the pouring gate cavity is injected into the cavity through the glue feeding opening, and pouring gate materials are formed in the glue feeding groove, the pouring gate cavity and the glue feeding opening. When the slide mechanism moves, the gate material is separated from the cavity, and is distributed on the surface of the slide mechanism, which is close to the rear mold, and friction is avoided between the gate material and the slide bottom surface when the slide moves, so that rubber powder is avoided, and the gate material is prevented from obstructing the slide movement.

Further, the line position mechanism comprises a first line position block, a second line position block and a shaft shoulder screw, wherein the second line position block is arranged at one end, close to the cavity, of the first line position block through the shaft shoulder screw, the first line position block is provided with a countersunk head groove, the shaft shoulder screw is correspondingly arranged in the countersunk head groove one by one, and the stroke of the second line position block is smaller than that of the first line position block. The first row of potential blocks are driven by the oblique ejection mechanism to move in the row of potential grooves in a linear mode, after the first row of potential blocks move for a certain period of travel, the shaft shoulder screws are abutted against the inner walls of the countersunk grooves, and the second row of potential blocks are pulled to move along with the first row of potential blocks through the countersunk grooves, so that the first row of potential blocks and the second row of potential blocks move in sequence, and the first row of potential blocks and the second row of potential blocks can be separated when the die is opened.

Further, the front mould runs through and is equipped with spacing thimble, the logical groove has been seted up to the second line position piece, the axis of spacing thimble runs through the groove, one side that the rear mould was kept away from to the front mould is equipped with the thimble board, spacing thimble one end sets up in the thimble board. The limiting ejector pin moves along with the ejector pin plate, and the ejector pin plate and the rear die act when the die is opened, so that the rear die and the ejector pin plate do linear motion. The ejector plate drives the limiting ejector pin to move towards the second row of position blocks, the upper end of the limiting ejector pin is inserted into the through groove, the stroke of the second row of position blocks is limited through the through groove, and the second row of position blocks are prevented from always following the first row of position blocks to move.

Further, the line position mechanism further comprises an elastic piece, a reset groove is formed in the surface, close to the first line position block, of the second line position block, an elastic piece is arranged in the reset groove, two ends of the elastic piece respectively abut against the front mold and the inner wall of the reset groove, and the elastic piece is any one of a spring, an elastic rubber block and an elastic sheet. The elastic piece is used for applying elastic force to the first row of position blocks, so that the first row of position blocks can move rapidly during die opening.

Further, the length of the through groove along the moving direction of the second row of potential blocks is equal to the stroke of the second row of potential blocks. The limiting thimble moves towards the second row position block, and the upper end of the limiting thimble is inserted into the through groove. In the die sinking process, the projection of spacing thimble in the planar of logical groove place removes to logical groove other end from logical groove one end, through the stroke of the limit second line position piece of logical groove.

Further, the oblique ejection mechanism comprises an oblique ejector rod, the upper end of the oblique ejector rod is detachably arranged on the rear die, the first row of position blocks are provided with oblique guide grooves, and the oblique ejector rod penetrates through the oblique guide grooves. When the rear mould acts, the inclined ejector rod moves linearly with the rear mould. The linear motion of the inclined ejector rod drives the first row of position blocks to do linear motion.

Further, the front mould symmetry is equipped with first briquetting, slide mechanism both ends all are equipped with the direction spout, first briquetting one-to-one slides and sets up in main spout, first spout has been seted up to first slide, second spout has been seted up to second slide, first spout connection second spout forms main spout. The first pressing block is used for carrying out auxiliary guide on the first row of potential blocks and the second row of potential blocks, so that the first row of potential blocks and the second row of potential blocks do reciprocating linear motion in the row of potential grooves.

Further, the gate cavity comprises a cavity main body and a concave part, and the inner wall of the cavity main body far away from the rear die is concavely provided with the concave part. After injection molding, the cavity main body and the concave part are internally provided with the post-molding pouring gate material, and when the first runner block moves, the first runner block drives the pouring gate material to horizontally move through part of plastic of the pouring gate material in the concave part, so that part of plastic of the pouring gate material positioned in the glue inlet is separated from the inner wall of the glue inlet.

Further, the guide block is convexly arranged on the inner wall of the row position groove, the guide groove is formed in the first row position block, and the guide block is slidably arranged in the guide groove. The guide block is matched with the guide groove to guide the movement direction of the first row of position blocks, so that the first row of position blocks do linear reciprocating movement in the row of position grooves.

Further, the front mould symmetry is equipped with the second briquetting, first line position piece both ends all are equipped with the third spout, the second briquetting one-to-one slides and sets up in the third spout. The second pressing block is used for carrying out auxiliary guide on the first row of position blocks, so that the first row of position blocks do linear motion.

The beneficial effects of the utility model are as follows: and when the slide mechanism acts, the gate material formed by the glue inlet, the gate cavity and the glue inlet is separated from the glue inlet, and when the slide mechanism moves, the gate material and the slide are free from friction, so that rubber powder is not generated, and the risk of pressing dies caused by falling into the slide groove is reduced.

Drawings

The utility model is further illustrated by the accompanying drawings, which are not to be construed as limiting the utility model in any way.

FIG. 1 is a perspective view of an embodiment of the present utility model;

FIG. 2 is a bottom view of an embodiment of the present utility model;

FIG. 3 is a schematic diagram of a structure according to an embodiment of the present utility model;

FIG. 4 is a cross-sectional view A-A of an embodiment of the present utility model;

fig. 5 is an enlarged view of a portion B according to an embodiment of the present utility model.

Reference numerals: the plastic injection device comprises a front die 1, a rear die 2, a plastic injection runner 3, a first row of position blocks 41, a second row of position blocks 42, an inclined ejection mechanism 5, a limiting thimble 6, an elastic piece 7, a plastic feeding groove 81, a sprue cavity 82, a plastic feeding port 83, a first pressing block 9 and a second pressing block 10.

Detailed Description

The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.

It is noted that in the present utility model, where an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. Terms of orientation such as "up, down, left, right" are used generally to refer to up, down, left, and right as shown in fig. 1. "inner and outer" refer to inner and outer on a particular contour. "distal" and "proximal" refer to both distal and proximal relative to a component.

As shown in fig. 1-5, an embodiment of the present utility model provides a slide glue feeding mold structure, which includes a front mold 1 and a rear mold 2, the rear mold 2 is provided with a glue feeding runner 3, the front mold 1 is provided with a cavity, the front mold 1 is provided with a slide slot communicated with the cavity, a slide mechanism is slidably arranged in the slide slot, one end of the rear mold 2, which is close to the front mold 1, is provided with an oblique top mechanism 5, the oblique top mechanism 5 is connected with the slide mechanism and drives the slide mechanism to reciprocate in the slide slot, a gate cavity 82 is arranged in the slide mechanism, one end, which is close to the cavity, of the slide mechanism is provided with a glue feeding port 83 communicating the cavity with the gate cavity 82, the rear mold 2 is internally provided with a glue feeding runner, and one end, which is close to the rear mold 2, of the slide mechanism is provided with a glue feeding slot 81 communicating the glue feeding runner with the gate cavity 82. The glue feeding groove 81 is formed on the surface of the line position mechanism, glue is fed into the gate cavity 82 through the line position of the line position mechanism, glue in the gate cavity 82 is injected into the cavity through the glue feeding port 83, and gate materials are formed in the glue feeding groove 81, the gate cavity 82 and the glue feeding port 83. When the slide mechanism moves, the gate material is separated from the cavity, and is distributed on the surface of the slide mechanism, which is close to the rear mold 2, and friction is avoided between the gate material and the slide bottom surface when the slide moves, so that rubber powder is avoided, and the gate material is prevented from obstructing the slide movement.

Further, the line position mechanism comprises a first line position block 41, a second line position block 42 and a shaft shoulder screw, wherein the second line position block 42 is arranged at one end, close to the cavity, of the first line position block 41 through the shaft shoulder screw, the first line position block 41 is provided with a countersunk head groove, the shaft shoulder screw is arranged in the countersunk head groove in a one-to-one correspondence mode, and the stroke of the second line position block 42 is smaller than that of the first line position block 41. The first row of position blocks 41 are driven by the inclined ejection mechanism 5 to linearly move in the row of position grooves, after the first row of position blocks 41 move for a certain stroke, shoulder screws abut against the inner wall of the countersunk head grooves, and the second row of position blocks 42 are pulled to move along with the first row of position blocks 41 through the countersunk head grooves, so that the first row of position blocks 41 and the second row of position blocks 42 move in sequence, and the first row of position blocks 41 and the second row of position blocks 42 can be separated when the die is opened.

Further, the front mold 1 is provided with a limiting thimble 6 in a penetrating manner, the second row position block 42 is provided with a through groove, the axis of the limiting thimble 6 penetrates through the through groove, one side, away from the rear mold 2, of the front mold 1 is provided with a thimble plate, and one end of the limiting thimble 6 is arranged on the thimble plate. The limiting ejector pin 6 moves along with the ejector pin plate, and the ejector pin plate and the rear die 2 act during die opening, so that the rear die 2 and the ejector pin plate do linear motion. The ejector plate drives the limiting ejector pin 6 to move towards the second row position block 42, the upper end of the limiting ejector pin 6 is inserted into the through groove, the stroke of the second row position block 42 is limited through the through groove, and the second row position block 42 is prevented from always moving along with the first row position block 41.

Further, the slide mechanism further comprises an elastic piece 7, a reset groove is formed in the surface, close to the first slide block 41, of the second slide block 42, the elastic piece 7 is arranged in the reset groove, two ends of the elastic piece 7 respectively abut against the front mold 1 and the inner wall of the reset groove, and the elastic piece 7 is any one of a spring, an elastic rubber block and an elastic sheet. The elastic member 7 is used to apply elastic force to the first row of blocks 41 so that the first row of blocks 41 can be moved rapidly when the mold is opened.

Further, the length of the through groove along the moving direction of the second row of potential blocks 42 is equal to the stroke of the second row of potential blocks 42. The limit thimble 6 moves toward the second row position block 42, and the upper end of the limit thimble 6 is inserted into the through groove. In the mold opening process, the projection of the limiting thimble 6 on the plane where the through groove is located moves from one end of the through groove to the other end of the through groove, and the stroke of the second row position block 42 is limited through the through groove.

Further, the oblique ejection mechanism 5 includes an oblique ejector rod, the upper end of the oblique ejector rod is detachably disposed on the rear mold 2, the first row of positioning blocks 41 is provided with an oblique guide groove, and the oblique ejector rod penetrates through the oblique guide groove. When the rear mould 2 acts, the inclined ejector rod moves linearly with the rear mould 2. The linearly moving inclined ejector rod will drive the first row of positioning blocks 41 to linearly move.

Further, the front mold 1 is symmetrically provided with first pressing blocks 9, both ends of the slide mechanism are respectively provided with a guiding chute, the first pressing blocks 9 are slidably arranged in the main chute in a one-to-one correspondence manner, the first slide grooves are formed in the first slide blocks 41, the second slide grooves are formed in the second slide blocks 42, and the first slide grooves are connected with the second slide grooves to form the main chute. The first pressing block 9 is used for performing auxiliary guiding on the first row of potential blocks 41 and the second row of potential blocks 42, so that the first row of potential blocks 41 and the second row of potential blocks 42 do reciprocating linear motion in the row of potential grooves.

Further, the gate cavity 82 includes a cavity body and a recess, and the cavity body is concavely provided with the recess away from the inner wall of the rear mold 2. After injection molding, the cavity main body and the concave part are both molded with the back pouring gate material, and when the first plunger 41 moves, the first plunger 41 drives the pouring gate material to horizontally move through part of plastic of the pouring gate material in the concave part, so that part of plastic of the pouring gate material in the glue inlet 83 is separated from the inner wall of the glue inlet 83.

Further, the inner wall of the row position groove is convexly provided with a guide block, the first row position block 41 is provided with a guide groove, and the guide block is slidably arranged in the guide groove. The guide block cooperates with the guide groove to guide the movement direction of the first row bit block 41, so that the first row bit block 41 makes a linear reciprocating movement in the row bit groove.

Further, the front mold 1 is symmetrically provided with second pressing blocks 10, both ends of the first row of position blocks 41 are respectively provided with a third sliding groove, and the second pressing blocks 10 are slidably arranged in the third sliding grooves in a one-to-one correspondence manner. The second presser 10 is used for guiding the first row of the position blocks 41 in an auxiliary manner so that the first row of the position blocks 41 do linear motion.

The working principle of the utility model is as follows: the first row of position blocks 41 moves for a distance of a stroke S1, so that the glue inlet 83, the gate cavity 82 and the gate material on the inner side of the glue inlet groove 81 are separated from the second row of position blocks 42. Then the first row of position blocks 41 continue to move for a distance of a stroke S2, the second row of position blocks 42 are pulled to move through the shoulder screws, and the second row of position blocks 42 and the first row of position blocks 41 move together to separate from the product back-off, so that the die sinking is completed. And finally, the sprue material formed by the glue inlet 83, the sprue cavity 82 and the glue inlet groove 81 is sucked and removed by the sucker, so that the risk of falling into the slide pressing die is avoided.

The technical features of the above embodiments may be arbitrarily combined, and for brevity, all of the possible combinations of the technical features of the above embodiments are not described. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which should be considered as within the scope of the present description.

Claims (10)

1. A slide glue feeding die structure is characterized in that: the plastic injection mold comprises a front mold and a rear mold, wherein the rear mold is provided with a plastic injection runner, the front mold is provided with a cavity, a slide groove communicated with the cavity is formed in the front mold, a slide mechanism is arranged in the slide groove, an inclined ejection mechanism is arranged at one end, close to the front mold, of the rear mold, the inclined ejection mechanism is connected with the slide mechanism and drives the slide mechanism to reciprocate in the slide groove, a pouring gate cavity is formed in the slide mechanism, a plastic inlet communicated with the cavity and the pouring gate cavity is formed in one end, close to the cavity, of the slide mechanism, a plastic inlet runner is formed in the rear mold, and a plastic inlet communicated with the plastic inlet runner and the pouring gate cavity is formed in one end, close to the rear mold, of the slide mechanism.

2. The slide glue feeding mold structure according to claim 1, wherein: the row position mechanism comprises a first row position block, a second row position block and a shoulder screw, wherein the second row position block is arranged at one end, close to the cavity, of the first row position block through the shoulder screw, the first row position block is provided with a countersunk head groove, the shoulder screw is arranged in the countersunk head groove in a one-to-one correspondence mode, and the stroke of the second row position block is smaller than that of the first row position block.

3. The slide glue-feeding die structure according to claim 2, wherein: the front mould runs through and is equipped with spacing thimble, the logical groove has been seted up to the second row position piece, the axis of spacing thimble runs through the groove, one side that the rear mould was kept away from to the front mould is equipped with the thimble board, spacing thimble one end sets up in the thimble board.

4. The slide glue-feeding die structure according to claim 2, wherein: the line position mechanism further comprises an elastic piece, a reset groove is formed in the surface, close to the first line position block, of the second line position block, an elastic piece is arranged in the reset groove, two ends of the elastic piece respectively abut against the front mold and the inner wall of the reset groove, and the elastic piece is any one of a spring, an elastic rubber block and an elastic sheet.

5. A slide glue-feeding mould structure according to claim 3, characterized in that: the length of the through groove along the moving direction of the second row of potential blocks is equal to the stroke of the second row of potential blocks.

6. The slide glue-feeding die structure according to claim 2, wherein: the oblique ejection mechanism comprises an oblique ejector rod, the upper end of the oblique ejector rod is detachably arranged on the rear die, the first row of position blocks are provided with oblique guide grooves, and the oblique ejector rod penetrates through the oblique guide grooves.

7. The slide glue-feeding die structure according to claim 2, wherein: the front mould symmetry is equipped with first briquetting, slide mechanism both ends all are equipped with the direction spout, first briquetting one-to-one slides and sets up in main spout, first spout has been seted up to first slide, second spout has been seted up to second slide, first spout connection second spout forms main spout.

8. The slide glue feeding mold structure according to claim 1, wherein: the pouring gate cavity comprises a cavity main body and a concave part, and the inner wall of the cavity main body far away from the rear die is concavely provided with the concave part.

9. The slide glue-feeding die structure according to claim 2, wherein: the guide block is arranged on the inner wall of the row position groove in a protruding mode, the guide groove is formed in the first row position block, and the guide block is arranged inside the guide groove in a sliding mode.

10. The slide glue-feeding die structure according to claim 2, wherein: the front mould symmetry is equipped with the second briquetting, first line position piece both ends all are equipped with the third spout, the second briquetting one-to-one slides and sets up in the third spout.