CN209903813U

CN209903813U - Color changing structure of hot runner system

Info

Publication number: CN209903813U
Application number: CN201920442095.0U
Authority: CN
Inventors: 唐从文
Original assignee: Shenzhen Tengsheng Precision Hot Runner Co Ltd
Current assignee: Shenzhen Tengsheng Precision Hot Runner Co Ltd
Priority date: 2019-04-03
Filing date: 2019-04-03
Publication date: 2020-01-07
Anticipated expiration: 2029-04-03

Abstract

The utility model belongs to the hot runner system field, especially, hot runner system trades look structure trades the problem that the colour structure trades to current hot runner system is not convenient for fix the plunger in, can't prevent the rotation of plunger or remove, now proposes following scheme, and it includes the guide plate, be equipped with the runner on the guide plate, the standing groove has been seted up to one side of guide plate, and the standing groove has been kept away from and has been seted up first hole on its open-ended one side inner wall, and first hole and runner are linked together, installs the plunger in the standing groove, and one side of plunger extends to in the runner, and plunger and first hole sealing connection, sets up the constant head tank that two symmetries set up on the plunger, and fixed mounting has the locating piece that two symmetries set up on its open-ended one. The utility model relates to a rationally, simple structure, convenient operation is convenient for fix the plunger to can prevent the rotation or the back-and-forth movement of plunger under the impact of sol.

Description

Color changing structure of hot runner system

Technical Field

The utility model relates to a hot runner system technical field especially relates to a hot runner system trades look structure.

Background

With the development of mold technology, people have higher and higher requirements on hot runner systems. Color change has become a fundamental requirement for most hot runner molds. The hot runner system changes colors, namely, one color melt adhesive is used for replacing another color melt adhesive for injection molding. When the hot runner system with the color changing plunger is used for injection molding, the hot runner system can well ensure that no dead angle area exists at the corner of the runner, and when the other color melt adhesive is used for injection molding, the color melt adhesive in the runner of the hot runner system can be quickly impacted and taken away, so that the quick color changing is completed.

In the existing color changing structure of the hot runner system, a part of plungers are not provided with a fixing mechanism, so that the plungers are likely to rotate or move back and forth under the impact of sol, the plungers are not convenient to fix, and the rotation or movement of the plungers cannot be prevented.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the plunger is not convenient to fix in the prior art, the rotation and the movement of the plunger cannot be prevented, and the color changing structure of the hot runner system is provided.

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

a color changing structure of a hot runner system comprises a guide plate, wherein a flow channel is arranged on the guide plate, a placing groove is arranged on one side of the guide plate, a first hole is formed in the inner wall of the placing groove, which is far away from the opening of the placing groove, and is communicated with the flow channel, a plunger is arranged in the placing groove, one side of the plunger extends into the flow channel, and is hermetically connected with the first hole, two symmetrically arranged positioning grooves are formed in the plunger, two symmetrically arranged positioning blocks are fixedly arranged on the inner wall of the placing groove, which is far away from the opening of the placing groove, and are matched with the corresponding positioning grooves, clamping grooves are formed in the sides, which are close to each other, of the two positioning grooves, the same second hole is formed in the inner wall of the side, which is close to each other, two symmetrically arranged clamping rods are slidably arranged in the second holes, and are matched with the corresponding clamping, a push plate is slidably mounted in the sliding hole, one side of the push plate is hinged with one end of two symmetrically arranged push rods, the other end of each push rod is hinged on the corresponding clamping rod, one end of a cross rod is welded on the other side of the push plate, the other end of the cross rod extends to the outer side of the plunger and is fixedly mounted with a button, connecting grooves are formed in the top inner wall and the bottom inner wall of the placing groove, communicating holes are formed in the top inner wall and the bottom inner wall of the sliding hole, connecting rods are slidably mounted in the communicating holes and are matched with the corresponding connecting grooves, a trapezoidal seat is fixedly sleeved on the cross rod and is slidably mounted in the sliding hole, the connecting rods are in contact with the trapezoidal seat, spring grooves are formed in the top inner wall and the bottom inner wall of the sliding hole, oblique blocks are slidably mounted in the spring grooves and are matched with the trapezoidal seat, one end of a plurality of reset, the other end of the return spring is fixedly arranged on the inner wall of the corresponding spring groove.

Preferably, two symmetrical round holes are formed in the button, the press rod can be arranged in the round holes, the inclined block is extruded by moving the press rod, the inclined block is accommodated in the spring groove, and therefore fixing of the cross rod is released, and the plunger can be detached.

Preferably, the spacing groove has all been seted up on the top inner wall of sliding hole and on the bottom inner wall, and the equal fixed mounting in top and the bottom of push pedal has the stopper, and stopper and the spacing groove sliding connection who corresponds, through the cooperation of stopper and spacing groove for the push pedal carries out stable removal.

Preferably, the number of the return springs positioned on the same side is three to five, and the three to five return springs positioned on the same side are arranged at equal intervals, and the plurality of return springs can provide enough elastic force to enable the inclined block to reset.

Preferably, the sliding grooves are formed in the inner walls of the two sides of the communicating hole, the sliding blocks are fixedly mounted on the two sides of the connecting rod and are connected with the sliding grooves in a sliding mode, and therefore the connecting rod can move stably.

Preferably, a sealing ring is arranged on the first hole and is in sliding sealing connection with the plunger, and the plunger is in sealing connection with the first hole through the sealing ring.

Preferably, all set up flutedly on the both sides inner wall of spring groove, the equal fixed mounting in both sides of sloping block has the cassette, and cassette and recess sliding connection for the sloping block carries out stable reciprocating.

In the utility model, the color changing structure of the hot runner system is matched with the positioning block through the placing groove, the first hole, the plunger, the positioning groove and the positioning block, the plunger is firstly placed in the placing groove, the plunger is moved to extend into the flow channel through the first hole and is hermetically connected with the first hole, and the positioning block is clamped into the corresponding positioning groove, so that the plunger is positioned;

the clamping rod, the sliding hole, the push plate, the push rod, the cross rod, the button, the connecting groove, the communicating hole, the connecting rod, the trapezoidal seat, the spring groove, the inclined block and the reset spring are matched, the button is pressed, the button drives the cross rod to move, the cross rod drives the trapezoidal seat and the push plate to move, the push plate drives the push rod to move, the push rod drives the clamping rod to move, the inclined block is firstly extruded by the movement of the trapezoidal seat, so that the inclined block compresses the return spring and is accommodated in the spring groove, the button is moved to enable the trapezoidal base to extrude the connecting rod, when the trapezoid seat moves to a certain position, the inclined block extends into the sliding hole under the elastic force of the return spring, thereby the inclined block limits and fixes the trapezoid seat, the connecting rod is clamped into the corresponding connecting groove, the clamping rod is clamped into the corresponding clamping groove, thereby fixing the plunger and thus preventing the plunger from rotating or moving back and forth under the impact of the sol.

The utility model relates to a rationally, simple structure, convenient operation is convenient for fix the plunger to can prevent the rotation or the back-and-forth movement of plunger under the impact of sol.

Drawings

Fig. 1 is a schematic structural view of a color changing structure of a hot runner system according to the present invention;

fig. 2 is a schematic structural view of a part a of a color changing structure of a hot runner system according to the present invention;

fig. 3 is a schematic structural diagram of a part B of a color changing structure of a hot runner system according to the present invention.

In the figure: the device comprises a guide plate 1, a flow channel 2, a placing groove 3, a first hole 4, a plunger 5, a positioning groove 6, a positioning block 7, a clamping groove 8, a second hole 9, a clamping rod 10, a sliding hole 11, a push plate 12, a push rod 13, a cross rod 14, a button 15, a connecting groove 16, a communicating hole 17, a connecting rod 18, a trapezoidal seat 19, a spring groove 20, an inclined block 21 and a return spring 22.

Detailed Description

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

Referring to fig. 1-3, a color changing structure of a hot runner system comprises a guide plate 1, a flow channel 2 is arranged on the guide plate 1, a placing groove 3 is arranged on one side of the guide plate 1, a first hole 4 is arranged on the inner wall of the placing groove 3 on the side far away from the opening of the placing groove, the first hole 4 is communicated with the flow channel 2, a plunger 5 is arranged in the placing groove 3, one side of the plunger 5 extends into the flow channel 2, the plunger 5 is hermetically connected with the first hole 4, two symmetrically arranged positioning slots 6 are arranged on the plunger 5, two symmetrically arranged positioning blocks 7 are fixedly arranged on the inner wall of the placing groove 3 on the side far away from the opening of the placing groove, the positioning blocks 7 are matched with the corresponding positioning slots 6, a clamping groove 8 is arranged on the side where the two positioning blocks 7 are close to each other, the same second hole 9 is arranged on the inner wall of the side where the two positioning slots, and the clamping bar 10 is adapted to the corresponding clamping groove 8, a sliding hole 11 is provided on one side inner wall of the second hole 9, a push plate 12 is slidably mounted in the sliding hole 11, one side of the push plate 12 is hinged with one end of two symmetrically arranged push rods 13, the other end of the push rod 13 is hinged on the corresponding clamping bar 10, one end of a cross rod 14 is welded on the other side of the push plate 12, the other end of the cross rod 14 extends to the outer side of the plunger 5 and is fixedly mounted with a button 15, connecting grooves 16 are respectively provided on the top inner wall and the bottom inner wall of the placing groove 3, communicating holes 17 are respectively provided on the top inner wall and the bottom inner wall of the sliding hole 11, a connecting rod 18 is slidably mounted in the communicating hole 17, the connecting rod 18 is adapted to the corresponding connecting groove 16, a trapezoidal seat 19 is fixedly sleeved on the cross rod 14, the trapezoidal seat 19 is slidably mounted in the sliding hole 11, and the connecting rod 18 is in contact with, an inclined block 21 is arranged in the spring groove 20 in a sliding mode, the inclined block 21 is matched with the trapezoid seat 19, one side, away from each other, of each inclined block 21 is fixedly provided with one end of a plurality of reset springs 22, and the other ends of the reset springs 22 are fixedly arranged on the inner wall of the corresponding spring groove 20.

The utility model discloses in, set up the round hole that two symmetries were established on the button 15, can be provided with the depression bar in the round hole, extrude sloping block 21 through moving the depression bar for in the spring groove 20 was accomodate to sloping block 21, thereby removed the fixed to horizontal pole 14, thereby can pull down plunger 5.

The utility model discloses in, all seted up the spacing groove on the top inner wall of sliding hole 11 and on the inner wall of bottom, the equal fixed mounting in top and the bottom of push pedal 12 has the stopper, and stopper and the spacing groove sliding connection who corresponds, through the cooperation of stopper and spacing groove for push pedal 12 carries out stable removal.

The utility model discloses in, the quantity that lies in reset spring 22 with one side is three to five, and lies in three to five equidistant settings of reset spring 22 with one side, and a plurality of reset spring 22 can provide a sufficient elasticity for sloping block 21 resets.

The utility model discloses in, all seted up the spout on the both sides inner wall of intercommunicating pore 17, the equal fixed mounting in both sides of connecting rod 18 has the slider, and slider and spout sliding connection for connecting rod 18 carries out stable removal.

The utility model discloses in, be equipped with the sealing washer on the first hole 4, and sealing washer and 5 sliding seal of plunger are connected, through the sealing washer for

plunger

5 and 4 sealing connection in first hole.

The utility model discloses in, all set up flutedly on the both sides inner wall of spring groove 20, the equal fixed mounting in both sides of sloping block 21 has the cassette, and cassette and recess sliding connection for sloping block 21 carries out stable reciprocating.

In the utility model, when the plunger 5 is installed, firstly, the plunger 5 is placed in the placing groove 3, the plunger 5 is moved towards the direction close to the flow channel 2, so that one side of the plunger 5 extends into the flow channel 2 through the first hole 4, at the moment, the positioning block 7 is clamped into the corresponding positioning groove 6, so as to position the plunger 5, then the button 15 is pressed towards the direction close to the flow channel 2, the button 15 drives the cross rod 14 to move, the cross rod 14 drives the trapezoidal seat 19 and the push plate 12 to move, the push plate 12 drives the push rod 13 to move, the push rod 13 drives the clamping rod 10 to move, the movement of the trapezoidal seat 19 firstly extrudes the inclined block 21, so that the inclined block 21 compresses the reset spring 20 and is accommodated in the spring groove 20, the button 15 is moved, so that the trapezoidal seat 19 extrudes the connecting rod 18, when the trapezoidal seat 19 moves to a certain position, at the moment, the inclined block 21 is under the elastic action of, make the sloping block 21 extend to in the sliding hole 11 to the sloping block 21 carries out spacing fixed to trapezoidal seat 19, and trapezoidal seat 19 extrusion connecting rod 18 card is gone into corresponding spread groove 16 this moment in, push pedal 12 drives kelly 10 card through push rod 13 and goes into in the draw-in groove 8 that corresponds, thereby fixes plunger 5, thereby prevents the rotation or the back-and-forth movement of plunger 5 under the impact of sol.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A color changing structure of a hot runner system comprises a guide plate (1) and is characterized in that a flow channel (2) is arranged on the guide plate (1), a placing groove (3) is formed in one side of the guide plate (1), a first hole (4) is formed in the inner wall of one side, far away from an opening, of the placing groove (3), the first hole (4) is communicated with the flow channel (2), a plunger (5) is installed in the placing groove (3), one side of the plunger (5) extends into the flow channel (2), the plunger (5) is in sealing connection with the first hole (4), two symmetrically-arranged positioning grooves (6) are formed in the plunger (5), two symmetrically-arranged positioning blocks (7) are fixedly installed on the inner wall of one side, far away from the opening, of the placing groove (3), the positioning blocks (7) are matched with the corresponding positioning grooves (6), and clamping grooves (8) are formed in one sides, close to each other, of the, the inner wall of one side, close to each other, of each of the two positioning grooves (6) is provided with a same second hole (9), the second hole (9) is internally provided with two clamping rods (10) which are symmetrically arranged in a sliding manner, the clamping rods (10) are matched with the corresponding clamping grooves (8), the inner wall of one side of each second hole (9) is provided with a sliding hole (11), the sliding hole (11) is internally provided with a push plate (12), one side of the push plate (12) is hinged with one end of two symmetrically arranged push rods (13), the other end of each push rod (13) is hinged on the corresponding clamping rod (10), the other side of the push plate (12) is welded with one end of a transverse rod (14), the other end of the transverse rod (14) extends to the outer side of the plunger (5) and is fixedly provided with a button (15), the inner wall of the top and the inner wall of the bottom of the placing groove (3) are both provided with connecting grooves (16), the, sliding mounting has connecting rod (18) in intercommunicating pore (17), and connecting rod (18) and spread groove (16) looks adaptation that corresponds, fixed cover is equipped with trapezoidal seat (19) on horizontal pole (14), trapezoidal seat (19) slidable mounting is in sliding hole (11), and connecting rod (18) contact with trapezoidal seat (19), spring groove (20) have all been seted up on the top inner wall of sliding hole (11) and on the bottom inner wall, slidable mounting has sloping block (21) in spring groove (20), and sloping block (21) and trapezoidal seat (19) looks adaptation, the equal fixed mounting in one side that two sloping blocks (21) kept away from each other has the one end of a plurality of reset spring (22), the other end fixed mounting of reset spring (22) is on the inner wall of the spring groove (20) that corresponds.

2. The color changing structure of the hot runner system according to claim 1, wherein the button (15) is provided with two circular holes symmetrically arranged.

3. The color changing structure of the hot runner system according to claim 1, wherein the inner walls of the top and the bottom of the sliding hole (11) are respectively provided with a limiting groove, the top and the bottom of the pushing plate (12) are respectively fixedly provided with a limiting block, and the limiting blocks are connected with the corresponding limiting grooves in a sliding manner.

4. The hot-runner system color-changing structure according to claim 1, wherein the number of the return springs (22) on the same side is three to five, and the three to five return springs (22) on the same side are arranged at equal intervals.

5. The color changing structure of the hot runner system according to claim 1, wherein sliding grooves are formed in inner walls of two sides of the communication hole (17), sliding blocks are fixedly mounted on two sides of the connecting rod (18), and the sliding blocks are slidably connected with the sliding grooves.

6. The color changing structure of a hot runner system according to claim 1, wherein a sealing ring is disposed on the first hole (4), and the sealing ring is connected with the plunger (5) in a sliding and sealing manner.

7. The color changing structure of a hot runner system according to claim 1, wherein the spring groove (20) is provided with a groove on the inner wall of both sides, and clamping seats are fixedly mounted on both sides of the inclined block (21) and are slidably connected with the groove.