CN115416231A - Seal wire basin injection mold - Google Patents

Abstract

The invention discloses a guide wire basin injection mold which comprises a fixed mold plate, a movable mold plate, a push plate and an inclined ejector rod arranged on the push plate in a sliding mode, wherein a hook body is arranged on the inclined ejector rod, a mold cavity is formed in the fixed mold plate, a core body is arranged on the movable mold plate, the hook body penetrates through the movable mold plate and penetrates into the core body, a first through hole for the hook body to eject out is formed in the core body, a support rod is arranged on the push plate, the support rod penetrates through the movable mold plate and penetrates into the core body, a second through hole for the support rod to eject out is formed in the core body, the hook body, the core body and the support rod form a complete mold core, the support rod is positioned above the hook body after the hook body is separated from a barb, and the movable mold plate is provided with a push-off mechanism for pushing a guide wire basin off the support rod. The injection mold for the guide wire basin has the advantage that the guide wire basin can be automatically demoulded, manual taking is not needed, and the production efficiency is greatly improved.

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 molding by injection and molding. The injection molding method has the advantages of high production speed, high efficiency, automation in operation, multiple designs and varieties, simple and complex shapes, small and precise product size, easy replacement of products, capability of forming workpieces with complex shapes, and suitability for the fields of mass production, products with complex shapes and the like. Stirring the completely molten plastic material by a screw at a certain temperature, injecting the plastic material into a mold cavity by high pressure, and cooling and solidifying to obtain a molded product.

As shown in fig. 1, a yarn guide basin 16, including the basin body 161 and 4 barbs 162 located in the basin body 161, because there are 4 barbs 162, so it is the demolding that the angle ejector demolding mode is adopted mostly in the market at present, in the process of falling, the angle ejector rod 4 can push the yarn guide basin 16 that has been injected after moving forward and move forward, simultaneously the hook 5 on 4 angle ejector rods 4 can also draw close to the middle, make the hook 5 break away from the barb 162, but in the process of injection molding, the whole mold is transversely arranged on the injection molding machine, the yarn guide basin 16 is in the process of demolding, although the hook 5 on the angle ejector rod 4 moves toward the middle, but because of the reason of the self gravity of the yarn guide basin 16, the yarn guide basin 16 also can move down, the hook 5 of top still can hook in the barb 162, make the yarn guide basin 16 can not drop automatically, need to take by hand, such a structure makes the operating personnel operate very inconveniently, can influence the production efficiency of the whole.

Disclosure of Invention

In order to more conveniently demold, further improve production efficiency, this application provides a seal 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 mould board, push pedal and slides the oblique ejector pin of setting in the push pedal, be equipped with the coupler body on the oblique ejector pin, be equipped with the die cavity on the fixed die plate, be equipped with the core on the movable mould board, the coupler body passes the movable mould board and wears to establish in the core, be equipped with on the core and supply the ejecting first through-hole of coupler body, be equipped with the bracing piece in the push pedal, the bracing piece passes the movable mould board and wears to establish in the core, the core is equipped with and supplies the ejecting second through-hole of bracing piece, coupler body, core and bracing piece constitute complete core, the coupler body is deviate from the back from the barb, the bracing piece is located the top of coupler body, the movable mould board is equipped with the mechanism of separating that pushes away from the seal wire basin from the bracing piece.

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

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

Through adopting above-mentioned technical scheme, the in-process that the seal wire basin that has moulded plastics moved forward under the effect of oblique ejector pin and bracing piece, the throw-away collar also can be pushed up the tip of seal wire basin and move forward together under the effect of first spring, and after the hook body breaks away from with the barb, the throw-away collar just can be followed the automatic push down of bracing piece with the seal wire basin, and such mechanism simple structure that pushes away need not install extra 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 in-process that the seal wire basin that has moulded plastics moved forward under the effect of oblique ejector pin and bracing piece, the throw-out collar still fixes on the movable mould board through automatic locking switch, after the hook body breaks away from with the barb, open automatic locking switch again, make the throw-out collar move forward under the effect of first spring and drop the seal wire basin from the bracing piece, such setting up makes the throw-out collar can not be used in the seal wire basin that has just moulded plastics with the effort of first spring all the time, make seal wire basin non-deformable.

Optionally, the locking switch includes a fixture block, a second spring, a push rod and a projection, a sliding groove is formed in the inner side wall of the positioning groove, the fixture block is slidably disposed in the sliding groove, one end of the second spring is connected with the inner end of the fixture block, the other end of the second spring is connected with the inner wall of the sliding groove, when the second spring is in a natural state, the fixture block protrudes out of the sliding groove, a clamping groove clamped with the fixture block is formed in the push ring, a first inclined plane which is pressed by the action force of the push ring to enable the fixture block to retract into the sliding groove is formed in the free end of the fixture block, the projection is fixedly disposed on the outer wall of the support rod, the push rod is fixedly disposed on the projection, the fixture block is provided with a third through hole for insertion of the push rod, the free end of the push rod is provided with a second inclined plane which is pressed by the fixture block to enable the fixture block to retract into the sliding groove, when the mold is in a mold closing state, the fixture block is clamped in the clamping groove, the push rod is located outside the third through hole, and when the hook body is separated from the barb, the push rod is inserted into the third through hole and pushes the fixture block to retract into the sliding groove.

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 yarn guide basin, the push plate continues to move forwards, the second inclined surface at the end part of the push rod can abut against the edge of the opening of the third through hole and gradually push the fixture block to retract into the chute, so that the fixture block falls out of the clamping groove, and the automatic locking switch can be automatically opened; in-process at the compound die, the push pedal moves back, the push rod breaks away from in the third through-hole, the fixture block is outside the spout is stretched out under the effect of spring, the fixed die plate can press the throw-out collar to get back to in the constant head tank, the in-process that the throw-out collar entered into the constant head tank, promote at first can contradict on the first inclined plane of fixture block and promote the fixture block and return to in the spout, after spout and draw-in groove are aimed at, the fixture block is in the draw-in groove of joint under the effect of second spring, thereby realize closing of automatic locking switch, such automatic locking switch simple structure, do not need extra power supply.

Optionally, a guide rod is arranged on one side, away from the fixed template, of the push ring, the movable template is provided with a guide groove matched with the guide rod, and the free end of the guide rod is arranged in the guide groove in a penetrating mode all the time.

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

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

Through adopting above-mentioned technical scheme, the guide bar includes the body and the body of rod for the guide bar can stretch out and draw back, at the in-process that the throw-away collar moved forward, at first can drive the body of rod and move forward, will drive the body and move forward together after the dog is contradicted to the anticreep piece on the body of rod, and such structure makes mould overall structure compacter.

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

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

Optionally, the outer wall of the sliding block is provided with a rubber layer to enable the rubber layer to be in sealing fit with the inner wall of the sliding groove, and the sliding block is provided with an air outlet hole which penetrates axially.

Through adopting above-mentioned technical scheme, the slider can compress the air of sliding groove inside at the in-process that moves forward, inside air can only be discharged from the venthole, play a damped effect, the in-process that the throw-collar moved forward originally can carry out forward movement fast like this, when colliding the seal wire basin soon, the body of rod can drive body and slider and move forward together, make the throw-collar carry out the deceleration and remove, such structure makes the throw-collar when colliding with the seal wire basin that has just moulded plastics, 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.

Through adopting above-mentioned technical scheme, 4 spinal branch vaulting poles are more steady when promoting the drawing of patterns of seal wire basin.

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

the utility model provides a mould can support the seal wire basin through the bracing piece after the die sinking, makes the coupler body on the oblique ejector pin break away from out from the barb of seal wire basin smoothly, and the rethread pushes away from the mechanism and pushes away the seal wire basin from the bracing piece to can realize automatic drawing of patterns, not need the manual work to take, operate convenient and fast more, improve production efficiency.

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 structural diagram of an embodiment of the present application.

Fig. 4 is a schematic view showing a structure of a core in the embodiment of the present application.

Fig. 5 is a schematic view showing the structure of the hook body coming out of the barb in the embodiment of the present application.

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

Fig. 7 is a partially enlarged view of a portion a in fig. 6.

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

Description of reference numerals: 1. fixing a template; 2. moving the template; 21. a plate body; 22. an insert; 3. pushing a plate; 4. an oblique ejector rod; 5. a hook body; 6. a cavity; 7. a core body; 8. a first through hole; 9. a support bar; 10. a second through hole; 11. a core; 12. a push-off mechanism; 121. a push ring; 122. a first spring; 123. mounting grooves; 124. positioning a 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 card slot; 137. a first inclined surface; 138. a third through hole; 139. a second inclined surface; 14. a guide bar; 141. a pipe body; 142. a rod body; 143. an anti-drop block; 144. a stopper; 145. a sliding block; (ii) a 146. A sliding groove; 15. a guide groove; 16. a guide wire basin; 161. a pot body; 162. a barb; 17. a rubber layer; 18. and an air outlet.

Detailed Description

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

The embodiment of the application discloses a guide wire basin 16 injection mold. Referring to fig. 2, 3 and 4, the injection mold of the yarn guide basin 16 comprises a fixed mold plate 1, a movable mold plate 2, a push plate 3 and 4 oblique ejector rods 4 arranged on the push plate 3 in a sliding manner, wherein the 4 oblique ejector rods 4 and the 4 oblique ejector rods 4 are all arranged obliquely with the push plate 3, the oblique ejector rods 4 are inclined towards the middle of the push plate 3 relative to one end close to the push plate 3 to the other end, a hook body 5 is arranged at the free end of the oblique ejector 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 body 7 is arranged on the insert 22, the insert 22 and the core body 7 are integrally cast and formed, the hook body 5 penetrates through the movable mold plate 2 and penetrates through the core body 7, a first through hole 8 for ejecting the hook body 5 is arranged on the core body 7, 4 support rods 9 are also fixedly arranged on the push plate 3, the support rods 9 penetrate through the movable mold plate 2 and are arranged in the core body 7, the core body 7 is provided with a second through hole 10 for ejecting the support rods 9, and when the mold is in a mold closing state, the mold core 11 is matched with the cavity 6.

The mold is transversely fixed on an injection molding machine in the injection molding process, when the push plate 3 pushes the inclined ejector rod 4 to move forwards, the hook bodies 5 on the inclined ejector rod 4 gradually approach each other, so that the hook bodies 5 can be separated from the barbs 162 of the guide wire basin 16, after the hook bodies 5 are separated from the barbs 162, the two support rods 9 above are positioned above the hook bodies 5, and the guide wire basin 16 ejected from the core body 7 is supported by the support rods 9 (as shown in fig. 5).

Referring to fig. 5, 6 and 7, a push-off mechanism 12 capable of pushing the guide wire basin 16 off the support rod 9 is disposed on the movable mold plate 2, the push-off mechanism 12 includes a push ring 121 and 4 first springs 122, the first springs 122 are uniformly disposed around the push ring 121, a mounting groove 123 corresponding to the first springs 122 one to one is disposed on the movable mold plate 2, the first springs 122 are mounted in the mounting groove 123, one end of the first spring 122 is connected with the push ring 121, the other end of the first spring 122 is fixedly connected in the mounting groove 123, a positioning groove 124 for mounting the push ring 121 is disposed on the movable mold plate 2, and the push ring 121 abuts against the end of the formed guide wire basin 16.

Be equipped with automatic locking switch 13 between ejector ring 121 and movable mould board 2, automatic locking switch 13 can fix ejector ring 121 on movable mould board 2 for after the die sinking, ejector ring 121 can directly not support on the guide wire basin 16 of just having moulded plastics, can wait that hook 5 breaks away from the back from barb 162, opens automatic locking switch 13 again, pushes away guide wire basin 16 from bracing piece 9 through ejector ring 121.

The automatic locking switch 13 includes a latch 131, a second spring 132, a push rod 133 and a protrusion 134, wherein a sliding groove 135 extending in a horizontal direction is disposed on an inner side wall of the positioning groove 124, the latch 131 is disposed in the sliding groove 135 in a laterally sliding manner, one end of the second spring 132 is connected to an inner end of the latch 131, and the other end is connected to an inner wall of the sliding groove 135, when the second spring 132 is in a natural state, the latch 131 protrudes out of the sliding groove 135, a locking groove 136 engaged with the latch 131 is disposed on the push ring 121, a first inclined surface 137 for urging the latch 131 to retract into the sliding groove 135 under an acting force of the push ring 121 is disposed at a free end of the latch 131, the protrusion 134 is fixedly disposed on an outer wall of the supporting rod 9, the push rod 133 is fixedly disposed on the protrusion 134, the latch 131 is provided with a third through hole 138 for inserting the push rod 133, the free end of the push rod 133 is provided with a second inclined surface 139 for urging the latch 131 to retract into the sliding groove 135 under an opening edge of the third through hole 138, the movable die plate 2 is provided with a through hole for inserting the push rod 133, and the through hole is communicated with the sliding groove 135. When the mold is in a mold 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 disengaged from the barb 162, the push rod 133 is just inserted into the third through hole 138 and pushes the latch 131 to retract into the sliding slot 135, and 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 slot 124 under the action of the first spring 122.

A guide rod 14 is fixedly arranged on one side of the push ring 121 far away from the fixed die plate 1, the movable die plate 2 is provided with a guide groove 15 matched with the guide rod 14, the free end of the guide rod 14 is arranged in the guide groove 15 in a penetrating mode all the time, 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 vertically sliding mode, one end of the rod body 142 is fixedly connected with the push ring 121, the other end of the rod body 142 is provided with an anti-falling block 143, a stop block 144 is arranged on the inner wall of one end, close to the push ring 121, of the pipe body 141, the pipe body 141 is arranged in the guide groove 15 in a vertically sliding mode, a sliding block 145 is arranged on the outer wall of the pipe body 141, a sliding groove 146 for the sliding of the sliding block 145 is arranged on the inner wall of the guide groove 15, the left end and the right end of the guide groove 15 are both communicated with the outside, the other side, opposite to the push ring 121, of the sliding groove 15 is communicated with the outside, and a bolt for blocking the guide groove 15 and the sliding groove 146 is arranged in a rotating mode. When the push ring 121 moves forward, the rod 142 is driven to move forward, and the anti-slip block 143 on the rod 142 pushes against the stopper 144 on the tube 141, so as to drive the tube 141 to move forward.

With reference to fig. 8 again, the sliding block 145 is annular, the rubber layer 17 is disposed on the outer wall of the sliding block 145, 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 the air outlet 18 which axially penetrates through the sliding block, the sliding block 145 can compress the air inside the sliding groove 146 in the forward movement process, the air inside the sliding groove 146 can only be discharged from the air outlet 18, and a damping effect is achieved, so that the push ring 121 can move forward quickly in the initial forward movement process, when the push ring collides with the guide basin 16, the rod body 142 can drive the pipe body 141 and the sliding block 145 to move forward together, so that the push ring decelerates to move, and with such a structure, when the push ring 121 collides with the guide basin 16 which is just injected, the guide basin 16 is not easy to be damaged.

The implementation principle of the injection mold for 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 are opened, the injection molding machine can push the push plate 3 to move forward, so that the guide wire basin 16 can be ejected from the core body 7 under the action of the inclined ejector rod 4 and the support rod 9, the inclined ejector rod 4 can also transversely slide in the forward moving process, so that the hook body 5 can be separated from the barb 162 of the guide wire basin 16, after the hook body 5 is completely separated from the barb 162, at the moment, the support rod 9 is positioned above the barb 162, the guide wire 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 fixture block 131 to retract into the chute 135, the opening of the automatic locking switch 13 is realized, and the push ring 121 moves forward under the action of the first spring 122 and pushes the guide wire basin 16 down from the support rod 9.

After demolding is completed, the push plate 3 drives the support rod 9 and the oblique ejector rod 4 to move back, the fixed template 1 and the movable template 2 can be drawn close to each other, 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 mold closing is realized to prepare for next injection molding.

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: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. The utility model provides a seal wire basin injection mold, includes fixed die plate (1), movable mould board (2), push pedal (3) and slides and set up oblique ejector pin (4) on push pedal (3), be equipped with coupler 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), coupler body (5) pass movable die plate (2) and wear to establish in core (7), be equipped with on core (7) and supply coupler body (5) ejecting first through-hole (8), its characterized in that: be equipped with bracing piece (9) on push pedal (3), bracing piece (9) pass movable mould board (2) and wear to establish in core (7), core (7) are equipped with and supply ejecting second through-hole (10) of bracing piece (9), coupler body (5), core (7) and bracing piece (9) constitute complete core (11), after barb (162) are deviate from in coupler body (5), bracing piece (9) are located the top of coupler body (5), movable mould board (2) are equipped with and push away from mechanism (12) that pushes away guide wire basin (16) from bracing piece (9) and push away.

2. The injection mold of a guide wire basin as claimed in claim 1, wherein: push away from mechanism (12) including push away ring (121) and the first spring (122) of a plurality of, first spring (122) evenly set up around push away ring (121), movable mould board (2) are equipped with mounting groove (123) with first spring (122) one-to-one, install in mounting groove (123) first spring (122), the one end and the push away ring (121) of first spring (122) are connected, and other end fixed connection is in mounting groove (123), movable mould board (2) are equipped with constant head tank (124) that are used for installing push away ring (121), push away ring (121) are contradicted with the tip of seal wire basin (16) after the shaping.

3. The injection mold for a guide wire basin as defined in claim 2, wherein: an automatic locking switch (13) is arranged between the push ring (121) and the movable template (2).

4. The injection mold of a guide wire basin as claimed in claim 3, wherein: the locking switch comprises a clamping block (131), a second spring (132), a push rod (133) and a convex block (134), a sliding groove (135) is formed in 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) clamped with the clamping block (131) is formed in the push ring (121), a first inclined surface (137) into which the clamping block (131) retracts to the sliding groove (135) under the action force of the push ring (121) is arranged at the free end of the push rod (133), the push rod (133) is fixedly arranged on the convex block (134), a third through hole (138) into which the push rod (133) is inserted into is arranged at the clamping groove (131), a free end of the push rod (133) acts on the clamping groove (131), and when the clamping groove (139) is in a mold clamping groove (135), the second inclined surface (139) and the clamping groove (131) is positioned outside the mold, when 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).

5. The guide wire basin injection mold of claim 4, wherein: one side of the push ring (121) far away from the fixed die plate (1) is provided with a guide rod (14), the movable die plate (2) is provided with a guide groove (15) matched with the guide rod (14), and the free end of the guide rod (14) is arranged in the guide groove (15) in a penetrating mode all the time.

6. The injection mold for a guide wire basin as defined in claim 5, wherein: guide bar (14) include body (141) and the body of rod (142), the body of rod (142) sets up in body (141) with sliding from top to bottom, the one end and push ring (121) fixed connection of the body of rod (142), the other end are equipped with anticreep piece (143), the inner wall that body (141) is close to push ring (121) one end is equipped with dog (144), body (141) sets up in guide way (15) with sliding from top to bottom, body (141) outer wall is equipped with sliding block (145), the inner wall of guide way (15) is equipped with sliding groove (146) that supplies sliding block (145) to slide.

7. The injection mold for a guide wire basin as defined in claim 6, wherein: the left end and the right end of the guide groove (15) are communicated with the outside, the other side, opposite to the push ring (121), of the sliding groove (146) is communicated with the outside, and a bolt used for blocking the guide groove (15) and the sliding groove (146) is arranged on the other side, opposite to the push ring (121), of the guide groove (15) in a rotating mode.

8. The injection mold of a guide wire basin as claimed in claim 6, 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.

9. The guide wire basin injection mold of claim 7, wherein: the bracing piece (9) are provided with 4, and 4 bracing pieces (9) are evenly arranged around the axis of core (11).

Images