CN210851175U

CN210851175U - Core pulling device in injection mold

Info

Publication number: CN210851175U
Application number: CN201921915475.8U
Authority: CN
Inventors: 孟志锋
Original assignee: Zhejiang Digo Mould Technology Co ltd
Current assignee: Zhejiang Digo Mould Technology Co ltd
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-06-26
Anticipated expiration: 2029-11-07

Abstract

The utility model discloses an internal core-pulling device of an injection mold, which comprises a base and a demoulding frame, wherein the surface of the base is fixedly assembled with the demoulding frame, the right side of a vertical plate is provided with an injection device, the left side of the vertical plate is fixedly assembled with a forming box, the left side of a sliding frame is fixedly assembled with a sleeve, the inner wall of the sleeve is fixedly assembled with one end of a third spring, the other end of the third spring is fixedly assembled with a rack, the rack is inserted in the sleeve, the left side of the sliding frame is fixedly assembled with a power structure, the power structure is meshed with the rack, the right side of the rack is fixedly assembled with a die plate, the die plate is matched with the forming box, the left side of the die plate is inserted with an exhaust structure, the utility model provides an internal core-pulling device of an injection mold, which ensures that gas in the mold, simultaneously, the good demoulding effect is ensured, and the production efficiency is improved.

Description

Core pulling device in injection mold

Technical Field

The utility model relates to an injection mold technical field, concrete field is a device of loosing core in 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 of operation, various designs and colors, various shapes from simple to complex, small sizes, accurate product size, easy replacement of products, capability of forming products with complex shapes, suitability for the molding processing fields of mass production, products with complex shapes and the like, and the method can be used for stirring completely molten plastic materials by a screw at a certain temperature, injecting the plastic materials into a mold cavity by high pressure, cooling and solidifying to obtain molded products. The method is suitable for batch production of parts with complex shapes, is one of important processing methods, cannot well ensure the production quality of raw materials in the mold by the core pulling device in the existing injection mold, and is inconvenient in the demolding process and affects the production efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a device of loosing core in injection mold to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a core pulling device in an injection mold comprises a base and a demolding frame, wherein the demolding frame is fixedly assembled on the surface of the base, a hydraulic cylinder penetrates through and is assembled on the side wall of the demolding frame, a sliding frame is assembled on the right side of the demolding frame, a limiting structure is fixedly assembled at the lower end of the sliding frame, the limiting structure is fixedly assembled with the base, a cross rod is fixedly assembled on the right side of the sliding frame, a vertical plate is fixedly assembled on the right side of the upper end of the base, the cross rod penetrates through the vertical plate, an injection device is arranged on the right side of the vertical plate, a forming box is fixedly assembled on the left side of the vertical plate, a sleeve is fixedly assembled on the left side of the sliding frame, one end of a third spring is fixedly assembled on the inner wall of the sleeve, a rack is fixedly assembled at the other end of the third spring, the right side of rack is fixed with the die plate, die plate and shaping case phase-match, it has exhaust structure to peg graft in the left side of die plate.

Preferably, the power structure includes the connecting rod, connecting rod and balladeur train fixed Assembly, the left side of connecting rod is fixed to be equipped with the frame, the inner wall of frame is pegged graft and is had the montant, the lower extreme of montant rotates and is equipped with the gear, gear and rack mesh mutually, the outer wall fixed assembly of montant has the fixture block, the outer wall of montant has cup jointed first spring, the one end and the fixture block fixed assembly of first spring, the other end and the inner wall fixed assembly of frame of first spring.

Preferably, the exhaust structure includes hollow section of thick bamboo, hollow section of thick bamboo runs through the die platen, the fixed intercommunication in upper end of hollow section of thick bamboo has the blast pipe, the lateral wall of hollow section of thick bamboo runs through there is the slide bar, the right side fixed assembly of slide bar has the sprue, the sprue closely laminates with hollow section of thick bamboo's inner wall, the second spring has been cup jointed to the outer wall of slide bar, the one end and the sprue fixed assembly of second spring, the other end and the inner wall fixed assembly of hollow section of thick bamboo of second spring.

Preferably, limit structure includes the track, track and base fixed assembly, the slider has been cup jointed to orbital outer wall, slider and balladeur train fixed assembly, the lower extreme of slider rotates and is equipped with the pulley, pulley and base closely laminate.

Preferably, the lower end of the base is provided with a foot pad.

Preferably, a support block is fixedly assembled on the left side of the sliding rod.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a device of loosing core in injection mold, cooperation through die plate and shaping case, can guarantee the fine shaping of work piece, guarantee the working effect of equipment, effect through exhaust structure, in die plate and shaping case lock, can inside unnecessary gas is got rid of or is got rid of manually automatically, guarantee fashioned effect, avoid producing the production quality of bubble influence equipment, effect through power structure, for die plate provides power, drive its removal, cooperation through rack and third spring, after power structure breaks away from the rack, can open the die plate fast, make things convenient for the raw materials drawing of patterns of inside processing, effect through limit structure, guarantee the balladeur train when the motion, can keep fixed transverse motion.

The utility model provides a device of loosing core in injection mold guarantees to get rid of with the gas in the mould man-hour, guarantees raw materials processingquality, guarantees fine drawing of patterns effect simultaneously, improves production efficiency.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is an enlarged view of the structure at B in FIG. 1;

fig. 4 is an enlarged schematic view of the structure at C in fig. 1.

In the figure: 1-base, 2-hydraulic cylinder, 3-demoulding frame, 4-power structure, 41-first spring, 42-connecting rod, 43-clamping block, 44-frame, 45-vertical rod, 46-gear, 5-exhaust structure, 51-sliding rod, 52-second spring, 53-clamping block, 54-exhaust pipe, 55-hollow cylinder, 6-limit structure, 61-sliding block, 62-pulley, 63-track, 7-sleeve, 8-sliding frame, 9-die plate, 10-forming box, 11-injection device, 12-vertical plate, 13-cross rod, 14-rack and 15-third spring.

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, the present invention provides a technical solution: a core pulling device in an injection mold comprises a base 1 and a demolding frame 3, the demolding frame 3 is fixedly assembled on the surface of the base 1, a hydraulic cylinder 2 penetrates through the side wall of the demolding frame 3, a sliding frame 8 is assembled on the right side of the demolding frame 3, a limiting structure 6 is fixedly assembled at the lower end of the sliding frame 8, the limiting structure 6 is fixedly assembled with the base 1, a cross rod 13 is fixedly assembled on the right side of the sliding frame 8, a vertical plate 12 is fixedly assembled on the right side of the upper end of the base 1, the cross rod 13 penetrates through the vertical plate 12, an injection device 11 is arranged on the right side of the vertical plate 12, a forming box 10 is fixedly assembled on the left side of the vertical plate 12, a sleeve 7 is fixedly assembled on the left side of the sliding frame 8, one end of a third spring 15 is fixedly assembled on the inner wall of the sleeve 7, a rack, the power structure 4 is meshed with the rack 14, the right side of the rack 14 is fixedly provided with the die plate 9, the die plate 9 is matched with the forming box 10, and the left side of the die plate 9 is inserted with the exhaust structure 5.

The cooperation of the die plate 9 and the forming box 10 can ensure the good forming of the workpiece, ensure the working effect of the equipment, the function of the exhaust structure 5, when the die plate 9 is buckled with the forming box 10, the redundant gas in the die plate can be automatically discharged or manually discharged, ensure the forming effect, avoid generating bubbles to influence the production quality of the equipment, the function of the power structure 4 provides power for the die plate 9 to drive the die plate to move, the matching of the rack 14 and the third spring 15, after the power structure 4 is separated from the rack 14, the die plate 9 can be quickly opened, the demoulding of the raw materials processed in the interior is convenient, the function of the limit structure 6 ensures that the sliding frame 8 can keep fixed transverse motion when moving, when the equipment needs to work, the external power supply of the hydraulic cylinder 2 is firstly switched on, the hydraulic cylinder 2 starts to work, the sliding frame 8 can be driven to move towards the right side by the demoulding frame 3, when the carriage 8 moves, the carriage can be limited to keep fixed transverse movement through the limiting structure 6, the pressing plate 9 is driven to move towards the right side through the component, the carriage is close to the forming box 10, the motor fixed on the rear side of the gear 46 in the power structure 4 is started, the gear 46 drives the rack 14 to move towards the right side at the moment, the rack 14 pulls the third spring 15 to deform the pressing plate, the pressing plate 9 is driven to be tightly attached to the forming box 10 through the rack 14, the raw material is injected into the forming box 10 through the injection device 11 at the moment, the gas to be discharged is discharged through the exhaust structure 5, the forming is waited, after the forming is finished, the power structure 4 is moved away from the rack 14, the pressing plate 9 can be pulled to move towards the left through the rack 14 according to the elastic action of the third spring 15, the pressing plate 9 can be quickly opened.

Referring to fig. 2, specifically, the power structure 4 includes a connecting rod 42, the connecting rod 42 is fixedly assembled with the carriage 8, a frame 44 is fixedly assembled on the left side of the connecting rod 42, a vertical rod 45 is inserted into an inner wall of the frame 44, a gear 46 is rotatably assembled at the lower end of the vertical rod 45, the gear 46 is engaged with the rack 14, a fixture block 43 is fixedly assembled on an outer wall of the vertical rod 45, a first spring 41 is sleeved on an outer wall of the vertical rod 45, one end of the first spring 41 is fixedly assembled with the fixture block 43, and the other end of the first spring 41 is fixedly assembled with the inner wall of the.

When the motor fixed on the rear side of the gear 46 in the power structure 4 is started, the motor drives the gear 46 to rotate at the moment, the rack 14 can be driven to move according to the meshing effect of the gear 46 and the rack 14, the third spring 15 is pulled to deform, meanwhile, when the die plate 9 needs to be opened, the vertical rod 45 is firstly pulled to move upwards and drives the gear 46 to move upwards, the vertical rod 45 extrudes the first spring 41 through the fixture block 43 to deform, when the gear 46 is separated from the rack 14, the rack 14 can be pulled to move leftwards quickly according to the elastic force effect of the third spring 15, and the rack 14 can pull the die plate 9 to move quickly.

Referring to fig. 3, specifically, the exhaust structure 5 includes a hollow cylinder 55, the hollow cylinder 55 penetrates through the die plate 9, an exhaust pipe 54 is fixedly communicated with the upper end of the hollow cylinder 55, a slide rod 51 penetrates through the side wall of the hollow cylinder 55, a block 53 is fixedly assembled on the right side of the slide rod 51, the block 53 is tightly attached to the inner wall of the hollow cylinder 55, a second spring 52 is sleeved on the outer wall of the slide rod 51, one end of the second spring 52 is fixedly assembled with the block 53, and the other end of the second spring 52 is fixedly assembled with the inner wall of the hollow cylinder 55.

When the exhaust is needed, the sliding rod 51 is pulled, the sliding rod 51 drives the blocking piece 53 to press the second spring 52 to deform, and when the blocking piece 53 moves to the left side of the exhaust pipe 54, the internal gas is exhausted through the exhaust pipe 54.

Referring to fig. 4, specifically, the limiting structure 6 includes a rail 63, the rail 63 is fixedly assembled with the base 1, a sliding block 61 is sleeved on an outer wall of the rail 63, the sliding block 61 is fixedly assembled with the sliding frame 8, a pulley 62 is rotatably assembled at a lower end of the sliding block 61, and the pulley 62 is tightly attached to the base 1.

When the sliding frame 8 moves, the sliding block 61 can be driven to move, the sliding block 61 clings to the outer wall of the track 63 to keep fixed transverse movement, and the pulley 62 is driven to be attached to the surface of the base 1 to move.

Specifically, the lower end of the base 1 is provided with a foot pad.

The foot pad can ensure the stability of the base 1.

Specifically, a support block is fixedly mounted on the left side of the slide rod 51.

The abutment prevents the slide rod 51 from coming out of the hollow cylinder 55.

The working principle is as follows: when the device is required to work, firstly, an external power supply of the hydraulic cylinder 2 is switched on, the hydraulic cylinder 2 starts to work, the sliding frame 8 is driven to move towards the right side through the demoulding frame 3, the sliding frame 8 is limited to keep fixed transverse movement through the limiting structure 6 when moving, the die plate 9 is driven to move towards the right side through the component, the sliding frame is close to the forming box 10, a motor fixed on the rear side of a gear 46 in the power structure 4 is started, the gear 46 drives a rack 14 to move towards the right, the rack 14 pulls a third spring 15 to deform, the die plate 9 is driven to be tightly attached to the forming box 10 through the rack 14, raw materials are injected into the forming box 10 through an injection device 11 at the moment, gas is exhausted through the exhaust structure 5, the forming is waited, after the forming, the power structure 4 is moved to be separated from the rack 14, the die plate 9 is pulled to move towards the left through the rack 14 according to the elastic, the die plate 9 can be opened quickly, and the demoulding of the internally processed raw materials is facilitated.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and setting are equipped with and all adopt prior art, and conventional model is including circuit connection adopts conventional connection mode among the prior art, and the detail is not repeated here.

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 device of loosing core in injection mold, includes base (1) and drawing of patterns frame (3), the fixed surface of base (1) is equipped with drawing of patterns frame (3), its characterized in that: the lateral wall of drawing of patterns frame (3) runs through and is equipped with pneumatic cylinder (2), the right side of drawing of patterns frame (3) is equipped with balladeur train (8), the lower extreme fixed assembly of balladeur train (8) is equipped with limit structure (6), limit structure (6) and base (1) fixed assembly, the right side of balladeur train (8) is fixed to be equipped with horizontal pole (13), the upper end right side of base (1) is fixed to be equipped with riser (12), horizontal pole (13) run through riser (12), the right side of riser (12) is equipped with injection apparatus (11), the left side of riser (12) is fixed to be equipped with forming box (10), the left side of balladeur train (8) is fixed to be equipped with sleeve (7), the fixed one end that is equipped with third spring (15) of inner wall of sleeve (7), the other end of third spring (15), the rack (14) is inserted into the sleeve (7), the left side of the sliding frame (8) is fixedly provided with the power structure (4), the power structure (4) is meshed with the rack (14), the right side of the rack (14) is fixedly provided with the die plate (9), the die plate (9) is matched with the forming box (10), and the left side of the die plate (9) is inserted with the exhaust structure (5).

2. The inner core-pulling device of the injection mold according to claim 1, characterized in that: power structure (4) include connecting rod (42), connecting rod (42) and balladeur train (8) fixed Assembly, the left side fixed assembly of connecting rod (42) has frame (44), the inner wall of frame (44) is pegged graft and is had montant (45), the lower extreme of montant (45) is rotated and is equipped with gear (46), gear (46) and rack (14) mesh mutually, the outer wall fixed assembly of montant (45) has fixture block (43), first spring (41) has been cup jointed to the outer wall of montant (45), the one end and the fixture block (43) fixed assembly of first spring (41), the other end of first spring (41) and the inner wall fixed assembly of frame (44).

3. The inner core-pulling device of the injection mold according to claim 1, characterized in that: exhaust structure (5) are including hollow section of thick bamboo (55), hollow section of thick bamboo (55) run through die plate (9), the fixed intercommunication in upper end of hollow section of thick bamboo (55) has blast pipe (54), the lateral wall of hollow section of thick bamboo (55) has run through slide bar (51), the fixed sprue (53) that is equipped with in right side of slide bar (51), sprue (53) closely laminates with the inner wall of hollow section of thick bamboo (55), the outer wall of slide bar (51) has cup jointed second spring (52), the one end and the sprue (53) fixed mounting of second spring (52), the other end of second spring (52) and the inner wall fixed mounting of hollow section of thick bamboo (55).

4. The inner core-pulling device of the injection mold according to claim 1, characterized in that: limit structure (6) include track (63), track (63) and base (1) fixed assembly, slider (61) have been cup jointed to the outer wall of track (63), slider (61) and balladeur train (8) fixed assembly, the lower extreme of slider (61) is rotated and is equipped with pulley (62), pulley (62) and base (1) closely laminate.

5. The inner core-pulling device of the injection mold according to claim 1, characterized in that: the lower end of the base (1) is provided with a foot pad.

6. The inner core-pulling device of the injection mold according to claim 3, characterized in that: and a support block is fixedly assembled on the left side of the sliding rod (51).