CN214926611U

CN214926611U - Circuit breaker base injection mold with low manufacturing cost

Info

Publication number: CN214926611U
Application number: CN202120776960.2U
Authority: CN
Inventors: 翁天寿; 金道连; 蔡超; 唐智国
Original assignee: Zhejiang Yingbo Electric O Ltd
Current assignee: Zhejiang Yingbo Electric O Ltd
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2021-11-30
Anticipated expiration: 2031-04-16

Abstract

The utility model relates to an injection mold technical field just discloses a circuit breaker base injection mold that manufacturing cost is low, including the public mould fixed plate, the public mould fixed plate is connected with the carrier plate through indirect board, the top fixedly connected with public template of carrier plate, public template is connected with female template through the guide pillar, female template's top fixedly connected with master model fixed plate, the equal fixedly connected with runner bush in inside of master model fixed plate. This circuit breaker base injection mold with low in manufacturing cost, through public template, female mould fixed plate, runner bush, first shifting chute, first pole, first block, second shifting chute, the second supports the pole, second block, ejector pin, second wedge groove, first wedge groove, adjust the pole, adjusting nut, roof, the mutually supporting between spring and the thimble, reached the runner of being convenient for and taken off the effect of material, solved injection mold at the die sinking in-process, the runner takes off the problem of expecting the difficulty.

Description

Circuit breaker base injection mold with low manufacturing cost

Technical Field

The utility model relates to an injection mold technical field specifically is a circuit breaker base injection mold that manufacturing cost is low.

Background

The injection molding is a method for producing and molding industrial products, the products are generally made by rubber injection molding and plastic injection molding, and the injection molding can also be made by injection molding die pressing and die casting.

When using injection mold to produce the circuit breaker base, in the in-process runner of die sinking easily be detained in the runner bush, be difficult for deviating from, this kind of condition is mostly because the stub bar easily glues in the runner, leads to the product to be difficult to break away from with the quiet mould when the die sinking, if separate easily to make the product crackle, consequently the technical staff in the field is dedicated to developing an injection mold that the runner of being convenient for takes off the material to satisfy operator's user demand.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a circuit breaker base injection mold that manufacturing cost is low possesses the advantage that the runner of being convenient for takes off the material, has solved injection mold at the die sinking in-process, and the runner takes off the problem of material difficulty.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a circuit breaker base injection mold that manufacturing cost is low, includes public mould fixed plate, public mould fixed plate is connected with the carrier plate through indirect board, the top fixedly connected with public template of carrier plate, public template is connected with female template through the guide pillar, female template's top fixedly connected with master model fixed plate, the equal fixedly connected with runner bush in inside of master model fixed plate, first shifting chute has been seted up to the inside of master model fixed plate, the inside swing joint in first shifting chute has first to the pole, first to the first block of one side fixedly connected with of pole near the runner bush, the second shifting chute has been seted up to the inside of master model plate, the inside swing joint in second shifting chute has the second to the pole.

The utility model discloses a runner bush, including female template, second clamping piece, first wedge groove and second wedge groove, the second is supported the pole and is close to one side fixedly connected with second clamping piece of runner bush, the inside swing joint of female template has the ejector pin, first wedge groove and second wedge groove have been seted up to the side surface of ejector pin, the first one side of keeping away from first clamping piece of pole is supported with the inner wall in first wedge groove and is held, the second is supported the pole and is kept away from one side of second clamping piece and support with the inner wall in second wedge groove, the top fixedly connected with of ejector pin adjusts the pole, the side surface threaded connection of adjusting the pole has adjusting nut, adjusting nut's bottom fixedly connected with roof, the roof passes through the spring and is connected with the master model fixed plate, the top threaded connection of male template has the thimble, the top of thimble supports with the bottom of ejector pin and holds, the tooth's socket has all been seted up to one side that the ejector pin was kept away from to first clamping piece and second clamping piece.

Preferably, the top of the intermediate plate is fixedly connected with the bottom of the bearing plate, and the bottom of the intermediate plate is fixedly connected with the top of the male die fixing plate.

Preferably, a first clamping groove is formed in the female die fixing plate, the first clamping block is located in the first clamping groove, a second clamping groove is formed in the female die plate, and the second clamping block is located in the second clamping groove.

Preferably, the inside of the female die plate and the inside of the female die fixing plate are both provided with positioning holes, and the ejector rods are positioned inside the positioning holes.

Preferably, the inner top wall of the positioning hole is provided with an adjusting hole, and the side surface of the adjusting rod is movably connected with the inside of the adjusting hole.

Preferably, the top end of the spring is fixedly connected with the bottom of the top plate, and the bottom end of the spring is fixedly connected with the top of the female die fixing plate.

Compared with the prior art, the utility model provides a circuit breaker base injection mold that this low is made possesses following beneficial effect:

1. this circuit breaker base injection mold with low in manufacturing cost, through public template, female mould fixed plate, runner bush, first shifting chute, first pole, first block, second shifting chute, the second supports the pole, second block, ejector pin, second wedge groove, first wedge groove, adjust the pole, adjusting nut, roof, the mutually supporting between spring and the thimble, reached the runner of being convenient for and taken off the effect of material, solved injection mold at the die sinking in-process, the runner takes off the problem of expecting the difficulty.

2. This circuit breaker base injection mold with low in manufacturing cost through the female die plate, female mould fixed plate, locating hole, ejector pin, regulation hole, regulation pole, adjusting nut, mutually supporting between roof and the spring, can adjust the decrement of spring through twisting adjusting nut to change the size of spring force, reached the effect of the regulation spring force size of being convenient for, solved the problem that the ejector pin resets is influenced in the relaxation of spring force.

Drawings

Fig. 1 is a front sectional view of the present invention;

FIG. 2 is an enlarged view of the point A in FIG. 1 according to the present invention;

fig. 3 is a schematic diagram of a first engaging block according to the present invention.

Wherein: 1. a male die fixing plate; 2. a carrier plate; 3. a male template; 4. a guide post; 5. a master template; 6. a female die fixing plate; 7. a sprue bushing; 8. a first moving slot; 9. a first resisting rod; 10. a first engaging block; 11. A second moving slot; 12. a second resisting rod; 13. a second engaging block; 14. a top rod; 15. a second wedge-shaped groove; 16. a first wedge groove; 17. adjusting a rod; 18. adjusting the nut; 19. a top plate; 20. a spring; 21. A thimble; 22. a tooth socket.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, an injection mold for a circuit breaker base with low manufacturing cost comprises a male mold fixing plate 1, the male mold fixing plate 1 is connected with a bearing plate 2 through an indirect plate, the top of the indirect plate is fixedly connected with the bottom of the bearing plate 2, the bottom of the indirect plate is fixedly connected with the top of the male mold fixing plate 1, the top of the bearing plate 2 is fixedly connected with a male mold plate 3, first fixing holes are respectively formed in the male mold fixing plate 1, the bearing plate 2 and the male mold plate 3, first fixing pins are connected with the inside of the first fixing holes, the male mold plate 3, the bearing plate 2 and the male mold fixing plate 1 are connected into a whole through the first fixing pins, a male mold is fixedly connected with the inside of the male mold plate 3, the male mold plate 3 is connected with a female mold plate 5 through a guide pillar 4, the inside of the female mold plate 5 is fixedly connected with a guide sleeve, the guide pillar 4 is movably connected with the inside of the guide sleeve, a female mold fixing plate 6 is fixedly connected with the top of the female mold plate 5, the second fixed orifices has all been seted up to the inside of female mould board 5 and female mould fixed plate 6, the internal connection of second fixed orifices has the second fixed pin, female mould fixed plate 6 and female mould board 5 are connected as an organic whole by the second fixed pin, the equal fixedly connected with runner bush 7 in the inside of female mould board 5 and female mould fixed plate 6, in this mould, the runner bush as an organic whole originally is divided into five sections, wherein the three-section is the mounting, both ends then constitute by two first block and two second block respectively in addition.

A first moving groove 8 is arranged in the female die fixing plate 6, a first abutting rod 9 is movably connected in the first moving groove 8, a first clamping block 10 is fixedly connected to one side of the first abutting rod 9 close to the sprue bush 7, the number of the first abutting rod 9 and the number of the first clamping block 10 are two, the first abutting rod 9 and the first clamping block 10 are symmetrically distributed by taking the central line of the female die fixing plate 6 as a symmetry axis, the upper side and the lower side of the first clamping block 10 are respectively abutted against the side surfaces of the adjacent sprue bush 7, a first clamping groove is arranged in the female die fixing plate 6, the interior of the first clamping groove is communicated with the interior of the first moving groove, the first clamping block 10 is positioned in the first clamping groove, the first clamping block 10 is movably connected with the interior of the first clamping groove, a second moving groove 11 is arranged in the female die plate 5, a second abutting rod 12 is movably connected in the interior of the second moving groove 11, the upper side and the lower side of the first abutting rod 9 are fixedly connected with first limiting plates, first spacing grooves have all been seted up to the upper and lower both sides of first shifting chute 8, and first limiting plate passes through the interior wall connection of first spacing spring with first spacing groove, and the equal fixedly connected with second limiting plate in the upper and lower both sides of second support rod 12, and the second spacing groove has all been seted up to the upper and lower both sides of second shifting chute 11, and the second limiting plate passes through the interior wall connection of second spacing spring with the second spacing groove.

One side of the second prop rod 12 close to the sprue bushing 7 is fixedly connected with a second clamping block 13, the number of the second prop rod 12 and the second clamping block 13 is two, the second prop rod 12 and the second clamping block 13 are symmetrically distributed by taking the central line of the female die fixing plate 6 as a symmetry axis, the upper side and the lower side of the second clamping block 13 are respectively propped against the side of the adjacent sprue bushing 7, a second clamping groove is formed in the female die plate 5, the interior of the second clamping groove is communicated with the interior of the second moving groove, the second clamping block 13 is positioned in the second clamping groove, the second clamping block 13 is movably connected with the interior of the second clamping groove, a push rod 14 is movably connected in the female die plate 5, positioning holes are formed in the interior of the female die fixing plate 5 and the interior of the female die fixing plate 6, the push rod 14 is positioned in the positioning holes, the side surface of the push rod 14 is movably connected with the interior of the positioning holes, a first wedge-shaped groove 16 and a second wedge-shaped groove 15 are formed in the side surface of the push rod 14, one side of the first abutting rod 9, which is far away from the first clamping block 10, abuts against the inner wall of the first wedge-shaped groove 16, one side of the second abutting rod 12, which is far away from the second clamping block 13, abuts against the inner wall of the second wedge-shaped groove 15, the top of the ejector rod 14 is fixedly connected with an adjusting rod 17, an adjusting hole is formed in the inner top wall of the positioning hole, the side surface of the adjusting rod 17 is movably connected with the inside of the adjusting hole, an adjusting nut 18 is connected with the side surface of the adjusting rod 17 through threads, a top plate 19 is fixedly connected with the bottom of the adjusting nut 18, a through hole is formed in the center of the top plate 19, and the adjusting rod 17 is movably connected with the inside of the through hole.

The top plate 19 is connected with the female die fixing plate 6 through a spring 20, the female die plate 5, the female die fixing plate 6, the positioning hole, the ejector rod 14, the adjusting hole, the adjusting rod 17, the adjusting nut 18, the top plate 19 and the spring 20 are matched with each other, the compression amount of the spring 20 can be adjusted by screwing the adjusting nut 18, the elastic force of the spring 20 is changed, the effect of conveniently adjusting the elastic force of the spring 20 is achieved, the problem that the ejector rod 14 is reset due to the fact that the elastic force of the spring 20 is loosened is solved, the top end of the spring 20 is fixedly connected with the bottom of the top plate 19, the bottom end of the spring 20 is fixedly connected with the top of the female die fixing plate 6, the adjusting rod 17 is located inside the spring 20, the top of the male die plate 3 is in threaded connection with an ejector pin 21, and the male die plate 3, the female die plate 5, the female die fixing plate 6, the sprue bushing 7, the first moving groove 8, the first abutting rod 9 and the first clamping block 10, The second movable groove 11, the second abutting rod 12, the second clamping block 13, the ejector rod 14, the second wedge-shaped groove 15, the first wedge-shaped groove 16, the adjusting rod 17, the adjusting nut 18, the top plate 19, the spring 20 and the ejector pin 21 are matched with one another, so that the effect of facilitating sprue stripping is achieved, the problem that the sprue stripping is difficult in the mold opening process of the injection mold is solved, the top end of the ejector pin 21 abuts against the bottom end of the ejector rod 14, the tooth grooves 22 are formed in the sides, far away from the ejector rod 14, of the first clamping block 10 and the second clamping block 13, under the action of the tooth grooves 22, the clamping surfaces of the two first clamping blocks 10 and the two second clamping blocks 13 can be tightly attached together, and at the moment, if the injection molding machine is used for injection molding into the sprue bushing 7, plastic in a molten state can hardly seep out from gaps of the clamping surfaces.

When the injection mold is used, when the injection mold starts to be closed, the bottom of the female mold plate 5 gradually approaches to the top of the male mold plate 3, the top end of the ejector pin 21 abuts against the bottom end of the ejector rod 14, so that the ejector rod 14 is pushed to move upwards in the positioning hole, at the moment, the first abutting rod 9 and the second abutting rod 12 are forced to push the first clamping block 10 and the second clamping block 13 to move towards the sprue bushing 7 under the action of the ejector rod 14, after the mold closing is completed, two opposite surfaces of the two first clamping blocks 10 and the two second clamping blocks 13 are tightly attached, then molten plastic is injected into the sprue bushing 7 through an injection machine, the mold is opened after the plastic is cooled, in the mold opening process, the female mold plate 5 is separated from the male mold plate 3, the abutting rods move away from the sprue bushing 7 under the action of the limiting spring, so that the two first clamping blocks 10 and the two second clamping blocks 13 on the left side and the right side are driven to be separated again, at this time, the contact surface between the stub bar and the runner inside the sprue bushing 7 is reduced, and the area of the stub bar subjected to adhesive force is correspondingly reduced, so that the effect of facilitating the stripping of the sprue is achieved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a circuit breaker base injection mold that manufacturing cost is low, includes public mould fixed plate (1), its characterized in that: the male die fixing plate (1) is connected with a bearing plate (2) through an indirect plate, the top of the bearing plate (2) is fixedly connected with a male die plate (3), the male template (3) is connected with a female template (5) through a guide post (4), the top of the female die plate (5) is fixedly connected with a female die fixing plate (6), the inner parts of the female die fixing plate (6) are fixedly connected with sprue bushings (7), a first moving groove (8) is arranged inside the female die fixing plate (6), a first butting rod (9) is movably connected inside the first moving groove (8), one side of the first abutting rod (9) close to the sprue bushing (7) is fixedly connected with a first clamping block (10), a second moving groove (11) is formed in the female template (5), and a second abutting rod (12) is movably connected in the second moving groove (11);

one side of the second support rod (12) close to the sprue bushing (7) is fixedly connected with a second clamping block (13), the inner portion of the female die plate (5) is movably connected with a support rod (14), the side surface of the support rod (14) is provided with a first wedge-shaped groove (16) and a second wedge-shaped groove (15), one side of the first support rod (9) far away from the first clamping block (10) is supported against the inner wall of the first wedge-shaped groove (16), one side of the second support rod (12) far away from the second clamping block (13) is supported against the inner wall of the second wedge-shaped groove (15), the top of the support rod (14) is fixedly connected with an adjusting rod (17), the side surface of the adjusting rod (17) is in threaded connection with an adjusting nut (18), the bottom of the adjusting nut (18) is fixedly connected with a top plate (19), the top plate (19) is connected with the female die fixing plate (6) through a spring (20), the top of the male template (3) is in threaded connection with an ejector pin (21), the top end of the ejector pin (21) abuts against the bottom end of the ejector rod (14), and tooth grooves (22) are formed in one sides, away from the ejector rod (14), of the first clamping block (10) and the second clamping block (13).

2. The circuit breaker base injection mold of claim 1, wherein: the top of the indirect board is fixedly connected with the bottom of the bearing plate (2), and the bottom of the indirect board is fixedly connected with the top of the male die fixing plate (1).

3. The circuit breaker base injection mold of claim 1, wherein: the female die fixing plate is characterized in that a first clamping groove is formed in the female die fixing plate (6), the first clamping block (10) is located in the first clamping groove, a second clamping groove is formed in the female die plate (5), and the second clamping block (13) is located in the second clamping groove.

4. The circuit breaker base injection mold of claim 1, wherein: the positioning holes are formed in the female die plate (5) and the female die fixing plate (6), and the ejector rod (14) is located in the positioning holes.

5. The circuit breaker base injection mold of claim 4, wherein: the inner top wall of the positioning hole is provided with an adjusting hole, and the side surface of the adjusting rod (17) is movably connected with the inside of the adjusting hole.

6. The circuit breaker base injection mold of claim 1, wherein: the top end of the spring (20) is fixedly connected with the bottom of the top plate (19), and the bottom end of the spring (20) is fixedly connected with the top of the female die fixing plate (6).