CN115416231B

CN115416231B - Seal wire basin injection mold

Info

Publication number: CN115416231B
Application number: CN202211112312.2A
Authority: CN
Inventors: 李洋洋; 邹庆玉; 肖婷; 唐岷
Original assignee: Gri Medical & Electronic Technology Co ltd
Current assignee: Gri Medical & Electronic Technology Co ltd
Priority date: 2022-09-13
Filing date: 2022-09-13
Publication date: 2023-05-30
Anticipated expiration: 2042-09-13
Also published as: CN115416231A

Abstract

The invention discloses a guide wire basin injection mold which comprises a fixed die plate, a movable die plate, a push plate and an inclined ejector rod arranged on the push plate in a sliding manner, wherein a hook body is arranged on the inclined ejector rod, a cavity is arranged on the fixed die plate, a core body is arranged on the movable die plate, the hook body penetrates through the movable die plate and penetrates through the core body, a first through hole for pushing out the hook body is arranged on the core body, a support rod is arranged on the push plate, the support rod penetrates through the movable die plate and penetrates through the core body, a second through hole for pushing out the support rod is arranged on the core body, the hook body, the core body and the support rod form a complete core, the support rod is positioned above the hook body after the hook body is pulled out from a barb, and a pushing-out mechanism for pushing out the guide wire basin from the support rod is arranged on the movable die plate. The guide wire basin injection mold has the advantage that the guide wire basin can be automatically demolded, does not need to be manually taken, and greatly improves the production efficiency.

Description

Seal wire basin injection mold

Technical Field

The invention relates to the technical field of mold manufacturing, in particular to a guide wire basin injection mold.

Background

Injection molding, also known as injection molding, is a method of injection and molding. The injection molding method has the advantages of high production speed, high efficiency, automation in operation, multiple patterns, various shapes, large size, accurate product size, easy updating of the product, and capability of forming parts with complex shapes, and is suitable for the field of mass production, products with complex shapes and other molding processing. And stirring the completely melted plastic material by a screw at a certain temperature, injecting the plastic material into a die cavity by high pressure, and cooling and solidifying the plastic material to obtain a molded product.

As shown in fig. 1, the wire guiding basin 16 includes a basin body 161 and 4 barbs 162 located in the basin body 161, because there are 4 barbs 162, most of the current market adopts a mode of inclined top demolding to perform demolding, in the falling process, the inclined top rod 4 can push the wire guiding basin 16 after injection molding to move forward after moving forward, meanwhile, the hooks 5 on the 4 inclined top rods 4 can be drawn together towards the middle, so that the hooks 5 are separated from the barbs 162, but in the injection molding process, the whole mold is transversely arranged on the injection molding machine, the hooks 5 on the upper inclined top rod 4 move towards the middle in the demolding process of the wire guiding basin 16, but because of the gravity of the wire guiding basin 16, the upper hooks 5 still can be hooked in the barbs 162, so that the wire guiding basin 16 cannot automatically fall, and need to be manually taken, and the operation of operators is very inconvenient, so that the overall production efficiency is affected.

Disclosure of Invention

In order to be capable of demolding more conveniently and further improve production efficiency, the application provides a guide wire basin injection mold.

The application provides a seal wire basin injection mold adopts following technical scheme:

the utility model provides a seal wire basin injection mold, includes fixed die plate, movable die plate, push pedal and slides the oblique ejector pin that sets up in the push pedal, be equipped with the coupler body on the ejector pin, be equipped with the die cavity on the fixed die plate, be equipped with the core on the movable die plate, the coupler body passes the movable die plate and wears to establish in the core, be equipped with the bracing piece on the push pedal, the bracing piece passes the movable die plate and wears to establish in the core, the core is equipped with the second through-hole that supplies the bracing piece to be ejecting, coupler body, core and bracing piece constitute complete core, after the coupler body deviate from the barb, the bracing piece is located the top of coupler body, the movable die plate is equipped with the pushing away mechanism that pushes away the seal wire basin from the bracing piece.

Through adopting above-mentioned technical scheme, after the completion of moulding plastics, movable mould board and fixed mould board realize the die sinking, the opportunity of moulding plastics promotes the push pedal and moves forward, make the seal wire basin can be pushed out from the core under the effect of oblique ejector pin and bracing piece, hook body on the oblique ejector pin can draw close each other gradually in the in-process that moves forward, make the hook body break away from the barb of seal wire basin, after the hook body breaks away from completely in the barb, at this moment, the bracing piece is located the top of barb, thereby make seal wire basin can hang on the bracing piece, the rethread pushes away the mechanism just can realize smooth drawing of patterns with seal wire basin push, such structure just need not operating personnel to take the seal wire basin of moulding plastics, it is more convenient to make operating personnel operate, production efficiency is improved.

Optionally, the push away the mechanism and include push away ring and a plurality of first spring, first spring is evenly set up around push away the ring, the movable mould board is equipped with the mounting groove with first spring one-to-one, first spring is installed in the mounting groove, the one end and the push away ring of first spring are connected, and the other end fixed connection is in the mounting groove, the movable mould board is equipped with the constant head tank that is used for installing the push away ring, push away the ring and contradict with the tip of the seal wire basin after the shaping.

Through adopting above-mentioned technical scheme, the guide wire basin that has moulded plastics is in the in-process of forward movement under the effect of oblique ejector pin and bracing piece, and the push ring also can be under the effect of first spring the tip of pushing away the guide wire basin together and move forward, and after hook body and barb break away from, the push ring just can be with the guide wire basin from the bracing piece automatic push down, and such push away mechanism simple structure need not install additional power supply additional.

Optionally, an automatic locking switch is arranged between the push ring and the movable template.

Through adopting above-mentioned technical scheme, when the seal wire basin that has moulded plastics is at the in-process of forward removal under the effect of oblique ejector pin and bracing piece, the push ring still fixes on the movable mould board through automatic locking switch, and after hook body and barb break away from, open automatic locking switch again, make the push ring forward remove under the effect of first spring and drop the seal wire basin from the bracing piece, such setting makes the push ring can not be all the time with the effect of first spring on just moulding plastics the seal wire basin for the seal wire basin is difficult for deformation.

Optionally, the automatic locking switch includes fixture block, second spring, push rod and lug, be equipped with the spout on the inside wall of constant head tank, the fixture block sets up in the spout slidingly, the one end of second spring is connected with the inner of fixture block, and the other end is connected with the spout inner wall, when the second spring is in natural state, the fixture block is outstanding outside the spout, be equipped with the draw-in groove with the fixture block joint on the push ring, the free end of fixture block is equipped with the effort that receives the push ring and makes the fixture block retract to the first inclined plane in the spout, the lug is fixed to be set up on the outer wall of bracing piece, the fixed setting of push rod is on the lug, the fixture block is equipped with the third through-hole that supplies the push rod to insert, the free end of push rod is equipped with the second inclined plane that acts on the fixture block and makes the fixture block retract to the spout in, and when the mould is in the compound mode, the fixture block joint is in the draw-in, and the push rod is located outside the third through-hole, after hook body breaks away from with the barb, the push rod inserts in the third through-hole and promotes the fixture block to retract to the spout.

By adopting the technical scheme, the push rod can move forwards along with the support rod and the inclined ejector rod, when the hook body on the inclined ejector rod is separated from the barb of the wire guide basin, the push plate continues to move forwards, the second inclined surface at the end part of the push rod can collide with the edge of the opening of the third through hole and gradually push the clamping block to retract into the chute, so that the clamping block falls out from the clamping groove, and the automatic locking switch can be automatically opened; in the in-process of compound die, the push pedal moves back, the push rod breaks away from the third through-hole, the fixture block stretches out outside the spout under the effect of first and spring, the fixed template can be with pushing away the ring and press back in the constant head tank, in the in-process that the pushing away ring enters into the constant head tank, promote at first can conflict on the first inclined plane of fixture block and promote the fixture block to retract to the spout in, after spout and draw-in groove are aimed at, the fixture block is in the draw-in groove under the effect of second spring to realize automatic locking switch's closure, such automatic locking switch simple structure does not need extra power supply.

Optionally, one side of push ring away from the fixed template is equipped with the guide bar, the movable mould board is equipped with the guide slot with guide bar looks adaptation, the free end of guide bar wears to establish in the guide slot all the time.

Through adopting above-mentioned technical scheme, the setting of guide bar and guide way can make the push ring enter into the constant head tank smoothly at the in-process that resets, is difficult for appearing the phenomenon of card mould.

Optionally, the guide bar includes body and body of rod, the body of rod sets up in the body of rod with sliding from top to bottom, the one end and the push ring fixed connection of body of rod, the other end are equipped with the anticreep piece, the inner wall that the body of tube is close to push ring one end is equipped with the dog, the body of tube sets up in the guide way with sliding from top to bottom, the body of tube outer wall is equipped with the piece that slides, the inner wall of guide way is equipped with the groove that slides that supplies the piece that slides.

Through adopting above-mentioned technical scheme, the guide bar includes body and body of rod for the guide bar can stretch out and draw back, at the in-process that pushes away the ring and move forward, can drive the body of rod at first and move forward, will take the body of tube together and move forward after the anticreep piece on the body of rod contradicts the dog, and such structure makes the whole mechanism of mould compacter.

Optionally, both ends are linked together with the external world about the guide way, the sliding groove is linked together with the external world for the opposite side of push ring, the guide way is equipped with the bolt that is used for plugging up guide way and sliding groove for the other side of push ring soon.

Through adopting above-mentioned technical scheme, under the condition of not opening the mould, only need with the bolt revolve back, just can dismantle and install the body of rod and the body of pipe in the guide way to make the dismantlement and the installation of guide bar more convenient and fast.

Optionally, be equipped with the rubber layer on the outer wall of sliding block and make it and sliding groove inner wall sealing fit, be equipped with the venthole that the axial runs through on the sliding block.

Through adopting above-mentioned technical scheme, the inside air of the in-process compression sliding groove of sliding block at the in-process of moving forward can be compressed, inside air can only be discharged from the venthole, play a damped effect, push away the ring and can move forward fast at the in-process of moving forward in the beginning like this, when bumping the seal wire basin soon, the body of rod can take the body of pipe and slide the piece and move forward together, make the push block carry out the deceleration removal, such structure makes push away the ring when bump with just moulding plastics the seal wire basin, the difficult emergence of seal wire basin damages.

Optionally, the bracing piece is provided with 4, and 4 bracing pieces evenly set up around the axis of core.

By adopting the technical scheme, 4 support rods are more stable when pushing the guide wire basin to demould.

In summary, the present application includes at least one of the following beneficial technical effects:

the die can support the guide wire basin through the supporting rod after die sinking, so that the hook body on the inclined ejector rod can be smoothly separated from the barb of the guide wire basin, and the guide wire basin is pushed down from the supporting rod through the pushing-off mechanism, so that automatic die stripping can be realized, manual taking is not needed, the operation is more convenient and quick, and the production efficiency is improved.

Drawings

Fig. 1 is a perspective view of a guidewire basin.

Fig. 2 is a perspective view of an embodiment of the present application.

Fig. 3 is a block diagram of an embodiment of the present application.

Fig. 4 is a schematic view for illustrating a core in the embodiment of the present application.

Fig. 5 is a schematic view of the structure used to illustrate the removal of the hook body from the barb in an embodiment of the present application.

Fig. 6 is a schematic structural view for illustrating the push-away mechanism in the embodiment of the present application.

Fig. 7 is a partial enlarged view at a in fig. 6.

Fig. 8 is a partial enlarged view at B in fig. 7.

Reference numerals illustrate: 1. a stationary mold plate; 2. a movable template; 21. a plate body; 22. an insert; 3. a push plate; 4. an inclined ejector rod; 5. a hook body; 6. a cavity; 7. a core; 8. a first through hole; 9. a support rod; 10. a second through hole; 11. a core; 12. a push-off mechanism; 121. a push ring; 122. a first spring; 123. a mounting groove; 124. a positioning groove; 13. an automatic locking switch; 131. a clamping block; 132. a second spring; 133. a push rod; 134. a bump; 135. a chute; 136. a clamping groove; 137. a first inclined surface; 138. a third through hole; 139. a second inclined surface; 14. a guide rod; 141. a tube body; 142. a rod body; 143. an anti-falling block; 144. a stop block; 145. a sliding block; the method comprises the steps of carrying out a first treatment on the surface of the 146. A slip groove; 15. a guide groove; 16. a thread guiding basin; 161. a basin body; 162. a barb; 17. a rubber layer; 18. and an air outlet hole.

Description of the embodiments

The present application is described in further detail below in conjunction with figures 2-8.

The embodiment of the application discloses a seal wire basin 16 injection mold. Referring to fig. 2, 3 and 4, the injection mold of the wire guide basin 16 comprises a fixed mold plate 1, a movable mold plate 2, a push plate 3 and 4 inclined push rods 4,4 inclined with the inclined push rods 4 are arranged on the push plate 3, the inclined push rods 4 incline towards the middle of the push plate 3 from one end close to the push plate 3 to the other end, a hook body 5 is arranged at the free end of the inclined push rods 4, a cavity 6 is arranged on the fixed mold plate 1, the movable mold plate 2 comprises a plate body 21 and an insert 22, the plate body 21 and the insert 22 are fixed through bolts, a core 7 is arranged on the insert 22, the insert 22 and the core 7 are integrally cast and formed, the hook body 5 penetrates through the movable mold plate 2 and penetrates through the core 7, a first through hole 8 for the hook body 5 to eject out is formed in the core 7, 4 support rods 9 are fixedly arranged on the push plate 3, the support rods 9 penetrate through the movable mold plate 2 and penetrate through the core 7, a second through hole 10 for the support rods 9 to eject out, when the mold is in a mold closed state, the core 5, the core 7 and the support rods 9 are fixed through bolts, and the hook 11 are matched with the cavity 6.

The mould is transversely fixed on the injection molding machine in the process of moulding plastics, and when push pedal 3 promotes the in-process that oblique ejector pin 4 moved forward, the coupler body 5 on the oblique ejector pin 4 can draw close each other gradually for coupler body 5 can break away from the barb 162 of seal wire basin 16, and after coupler body 5 deviate from barb 162, two bracing pieces 9 in the top are located the top of coupler body 5, remove the support through bracing piece 9 and be followed seal wire basin 16 after ejecting from core 7 (as shown in fig. 5).

Referring to fig. 5, 6 and 7, a pushing mechanism 12 capable of pushing the wire guiding basin 16 off the supporting rod 9 is arranged on the movable template 2, the pushing mechanism 12 comprises a push ring 121 and 4 first springs 122, the first springs 122 are uniformly arranged around the push ring 121, mounting grooves 123 in one-to-one correspondence with the first springs 122 are formed in the movable template 2, the first springs 122 are mounted in the mounting grooves 123, one ends of the first springs 122 are connected with the push ring 121, the other ends of the first springs 122 are fixedly connected in the mounting grooves 123, positioning grooves 124 for mounting the push ring 121 are formed in the movable template 2, and the push ring 121 abuts against the end parts of the formed wire guiding basin 16.

An automatic locking switch 13 is arranged between the push ring 121 and the movable die plate 2, the push ring 121 can be fixed on the movable die plate 2 by the automatic locking switch 13, so that after the die is opened, the push ring 121 can not directly prop against the guide wire basin 16 just after the injection molding, and after the hook body 5 is separated from the barb 162, the automatic locking switch 13 can be opened, and the guide wire basin 16 is pushed off from the support rod 9 by the push ring 121.

The automatic locking switch 13 comprises a clamping block 131, a second spring 132, a push rod 133 and a protruding block 134, wherein a sliding groove 135 extending in the horizontal direction is arranged on the inner side wall of the positioning groove 124, the clamping block 131 is transversely arranged in the sliding groove 135 in a sliding way, one end of the second spring 132 is connected with the inner end of the clamping block 131, the other end of the second spring 132 is connected with the inner wall of the sliding groove 135, when the second spring 132 is in a natural state, the clamping block 131 protrudes out of the sliding groove 135, a clamping groove 136 clamped with the clamping block 131 is arranged on the push ring 121, a first inclined surface 137 which is driven by the acting force of the push ring 121 to retract the clamping block 131 into the sliding groove 135 is arranged at the free end of the clamping block 131, the protruding block 134 is fixedly arranged on the outer wall of the support rod 9, the push rod 133 is fixedly arranged on the protruding block 134, the clamping block 131 is provided with a third through hole 138 for the push rod 133 to be inserted, the free end of the push rod 133 is provided with a second inclined surface 139 acting on the opening edge of the third through hole 138 to drive the clamping block 131 to retract into the sliding groove 135, and the through hole is arranged on the movable template 2. When the die is in a die closing state, the clamping block 131 is clamped in the clamping groove 136, the push rod 133 is positioned outside the third through hole 138, and the automatic locking switch 13 is in a closing state at the moment; when the hook body 5 is separated from the barb 162, the push rod 133 is just inserted into the third through hole 138 and pushes the clamping block 131 to retract into the sliding groove 135, at this time, the automatic locking switch 13 is in an open state, and the push ring 121 can be ejected out of the positioning groove 124 under the action of the first spring 122.

The fixed guide bar 14 that is equipped with in one side that push ring 121 kept away from fixed die plate 1, movable die plate 2 is equipped with the guide way 15 with guide bar 14 looks adaptation, the free end of guide bar 14 wears to establish in guide way 15 all the time, guide bar 14 includes body 141 and body 142, body 142 slides from top to bottom and sets up in body 141, the one end and the push ring 121 fixed connection of body 142, the other end is equipped with anticreep piece 143, be equipped with dog 144 in the inner wall that body 141 is close to push ring 121 one end, body 141 slides from top to bottom and sets up in guide way 15, the body 141 outer wall is equipped with slider 145, be equipped with the sliding groove 146 that supplies slider 145 to slide at the inner wall of guide way 15, both ends are linked together with the external world all about guide way 15, the sliding groove 146 is linked together with the external world for the opposite side of push ring 121, be equipped with the bolt that is used for plugging up guide way 15 and sliding groove 146 in the other side of guide way 15 for push ring 121 soon. When the push ring 121 moves forward, the rod 142 is driven to move forward, and when the anti-falling block 143 on the rod 142 abuts against the stop block 144 on the tube 141, the tube 141 is driven to move forward.

Referring to fig. 8 again, the sliding block 145 is annular, the outer wall of the sliding block 145 is provided with a rubber layer 17, so that the sliding block is in sealing fit with the inner wall of the sliding groove 146, the sliding block 145 is provided with an air outlet hole 18 penetrating axially, the sliding block 145 can compress air inside the sliding groove 146 in the forward moving process, the air inside the sliding block can only be discharged from the air outlet hole 18, a damping effect is achieved, the push ring 121 can move forward rapidly in the initial forward moving process, and when the push ring is about to collide with the wire guiding basin 16, the rod body 142 can move forward together with the sliding block 145, so that the push ring 121 is decelerated and moved, and the wire guiding basin 16 is not easy to damage when the push ring 121 collides with the wire guiding basin 16 after injection molding.

The implementation principle of the injection mold of the guide wire basin 16 in the embodiment of the application is as follows: after the injection molding is completed, the movable mold plate 2 and the fixed mold plate 1 realize mold opening, the injection molding machine can push the push plate 3 to move forwards, so that the wire guiding basin 16 can be ejected out of the core 7 under the action of the inclined ejection rod 4 and the support rod 9, the inclined ejection rod 4 can also slide transversely in the forward moving process, the hook body 5 can be separated from the barb 162 of the wire guiding basin 16, when the hook body 5 is completely separated from the barb 162, the support rod 9 is positioned above the barb 162, the wire guiding basin 16 can be hung on the support rod 9, meanwhile, the push rod 133 is just inserted into the third through hole 138 and pushes the clamping block 131 to retract into the sliding groove 135, so that the automatic locking switch 13 is opened, and the push ring 121 moves forwards under the action of the first spring 122 and pushes the wire guiding basin 16 out of the support rod 9.

After demolding is completed, the push plate 3 drives the support rod 9 and the inclined push rod 4 to move back, the fixed template 1 and the movable template 2 can be mutually close, the push ring 121 can be pushed back into the positioning groove 124 through the fixed template 1, and the push ring 121 is fixed through the automatic locking switch 13, so that the mold closing is prepared for the next injection molding.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a seal wire basin injection mold, includes fixed die plate (1), movable die plate (2), push pedal (3) and slides and set up oblique ejector pin (4) on push pedal (3), be equipped with hook body (5) on oblique ejector pin (4), be equipped with die cavity (6) on fixed die plate (1), be equipped with core (7) on movable die plate (2), hook body (5) pass movable die plate (2) and wear to establish in core (7), be equipped with on core (7) and supply the ejecting first through-hole (8) of hook body (5), its characterized in that: the push plate (3) is provided with a support rod (9), the support rod (9) passes through the movable mould plate (2) and penetrates through the core body (7), the core body (7) is provided with a second through hole (10) for supporting the ejection of the support rod (9), the hook body (5), the core body (7) and the support rod (9) form a complete core (11), after the hook body (5) is separated from the barb (162), the support rod (9) is positioned above the hook body (5), the movable mould plate (2) is provided with a pushing mechanism (12) for pushing the guide wire basin (16) off the support rod (9), the pushing mechanism (12) comprises push rings (121) and a plurality of first springs (122), the first springs (122) are uniformly arranged around the push rings (121), the movable mould plate (2) is provided with mounting grooves (123) corresponding to the first springs (122), the first springs (122) are mounted in the mounting grooves (123), one ends of the first springs (122) are connected with the push rings (121) in a matched mode, the end parts (124) of the push rings (121) are fixedly arranged on the push rings (121) and are used for forming, an automatic locking switch (13) is arranged between the push ring (121) and the movable template (2), the automatic locking switch (13) comprises a clamping block (131), a second spring (132), a push rod (133) and a protruding block (134), a sliding groove (135) is arranged on the inner side wall of the positioning groove (124), the clamping block (131) is slidably arranged in the sliding groove (135), one end of the second spring (132) is connected with the inner end of the clamping block (131), the other end of the second spring (132) is connected with the inner wall of the sliding groove (135), when the second spring (132) is in a natural state, the clamping block (131) protrudes out of the sliding groove (135), a clamping groove (136) which is clamped with the clamping block (131) is arranged on the push ring (121), a first inclined surface (137) which is used for enabling the clamping block (131) to retract into the sliding groove (135) under the action of the push ring (121), the protruding block (134) is fixedly arranged on the outer wall of the supporting rod (9), the push rod (133) is fixedly arranged on the protruding block (134), the clamping block (131) is provided with a through hole for enabling the clamping block (133) to retract into the sliding groove (139), when the die is in a die closing state, the clamping block (131) is clamped in the clamping groove (136), the push rod (133) is located outside the third through hole (138), and after the hook body (5) is separated from the barb (162), the push rod (133) is inserted into the third through hole (138) and pushes the clamping block (131) to retract into the sliding groove (135).

2. The guide wire basin injection mold of claim 1, wherein: one side of the push ring (121) far away from the fixed template (1) is provided with a guide rod (14), the movable template (2) is provided with a guide groove (15) matched with the guide rod (14), and the free end of the guide rod (14) is always penetrated in the guide groove (15).

3. The guide wire basin injection mold of claim 2, wherein: the guide rod (14) comprises a pipe body (141) and a rod body (142), the rod body (142) is arranged in the pipe body (141) in a vertical sliding mode, one end of the rod body (142) is fixedly connected with the push ring (121), the other end of the rod body is provided with an anti-falling block (143), the inner wall, close to one end of the push ring (121), of the pipe body (141) is provided with a stop block (144), the pipe body (141) is arranged in the guide groove (15) in a vertical sliding mode, the outer wall of the pipe body (141) is provided with a sliding block (145), and the inner wall of the guide groove (15) is provided with a sliding groove (146) for the sliding block (145) to slide.

4. A godet injection mold according to claim 3, characterized in that: both ends are linked together with the external world about guide way (15), sliding groove (146) are linked together with the external world for the opposite side of push ring (121), guide way (15) are equipped with the bolt that is used for plugging up guide way (15) and sliding groove (146) soon for the opposite side of push ring (121).

5. The guide wire basin injection mold of claim 4, wherein: the outer wall of the sliding block (145) is provided with a rubber layer (17) which is in sealing fit with the inner wall of the sliding groove (146), and the sliding block (145) is provided with an air outlet hole (18) which axially penetrates through.

6. The guide wire basin injection mold of claim 5, wherein: the support rods (9) are arranged in 4, and the 4 support rods (9) are uniformly arranged around the central axis of the mold core (11).