CN213353440U - Injection mold of adjustable sprue gate - Google Patents

Abstract

The utility model relates to an injection mold of adjustable sprue gate, include: a mold assembly; pouring a channel; a baffle assembly, the baffle assembly comprising: the device comprises first baffle plates and second baffle plates, wherein a flow guide port is formed between the first baffle plates, and a pouring port is formed between the second baffle plates; and, an adjustment device, the adjustment device comprising: sliding plate, axis of rotation, and spacing subassembly. The utility model discloses when the sprue gate size is adjusted to needs, the pulling axis of rotation drives the sliding plate and slides at vertical direction and make the second baffle slide with opposite direction to change the sprue gate size, recycle spacing subassembly and fix the sliding plate, guarantee that the sprue gate can not be changed at the pouring in-process, guaranteed that the pouring effect has realized the function of conveniently adjusting the sprue gate size simultaneously.

Description

Injection mold of adjustable sprue gate

Technical Field

The utility model relates to an injection mold technical field, in particular to injection mold of adjustable sprue gate.

Background

The plastic part is a common product at present, and various industries can apply the plastic part, wherein the plastic part is formed by melting plastic master batches through an injection molding machine, injecting the melted plastic master batches into a well opened mold, forming the plastic part through the mold, and taking out the plastic part after cooling to form a plastic part product. When the existing injection mold is used for testing, the size of an interface (sprue gate) between a pouring gate and a mold cavity is required to be tested, and the relatively proper aperture can be reached through multiple times of repair, so that the modification of the sprue gate is troublesome during the mold testing, and the inlet position of the mold cavity is easily influenced in the modification process, so that the influence is caused on the injection molding in the later period.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an injection mold of adjustable sprue gate has the advantage that conveniently adjusts the sprue gate size.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

an injection mold with an adjustable sprue gate comprising: a mold assembly, the mold assembly comprising: the die comprises a bottom plate, a lower die plate, a die core and an upper die plate, wherein the lower die plate is connected above the bottom plate through a guide sleeve guide pillar, the center of the lower die plate is provided with a lower die cavity, the die core is arranged in the lower die cavity, and the upper die plate is fixedly arranged above the lower die plate and can form a die cavity with the lower die cavity; the pouring channel penetrates through the center of the upper template and is communicated with the cavity; locate the baffle subassembly of pouring channel top both sides, the baffle subassembly includes: the pouring device comprises a first baffle plate and a second baffle plate, wherein one end of the first baffle plate is hinged with the top end of the side wall of the pouring channel, the second baffle plate is vertically arranged in the pouring channel, and one end of the second baffle plate is hinged with one end of the first baffle plate, which is close to the cavity; and the adjusting device is arranged on the upper template and used for adjusting the size of the pouring gate, and the adjusting device comprises: the sliding plate is vertically assembled in the upper die plate in a sliding mode, one end of the sliding plate is rotatably connected to two sides of the top end of the sliding plate, the other end of the sliding plate is located on a rotating shaft above the upper die plate, and a limiting component used for fixing the sliding plate relatively is arranged on the upper die plate.

Realize above-mentioned technical scheme, plastics fluid flows through water conservancy diversion mouth rethread sprue gate gets into the die cavity when pouring, plastics can obtain the working of plastics through the cooling in the die cavity, the water conservancy diversion mouth carries out the guide effect to the plastics fluid, it is mild to make the plastics fluid flow, when sprue gate size is adjusted to needs, the pulling axis of rotation drives the sliding plate and slides in vertical direction, cooperation through loose axle and movable groove makes the second baffle can slide with opposite direction, thereby change the sprue gate size, it is fixed with the sliding plate to recycle spacing subassembly, guarantee that the sprue gate can not changed at the pouring in-process, guaranteed that the pouring effect has realized the function of conveniently adjusting the sprue gate size simultaneously.

As a preferred scheme of the utility model, the sliding tray has been seted up to pouring channel both sides wall symmetry, the sliding plate slidingtype assemble in the sliding tray, the slip hole has been seted up to cope match-plate pattern top symmetry, the slip hole with the sliding tray is kept away from pouring channel one side top is linked together, axis of rotation one end is located cope match-plate pattern top and the other end pass the slip hole with the sliding plate rotates to be connected.

As the utility model discloses an optimal scheme, the sliding tray is kept away from a plurality of spacing grooves and bottom have been seted up along vertical direction on the lateral wall of pouring channel and have been seted up the storage tank, spacing subassembly includes: the limiting block is arranged at the bottom end of the rotating shaft and matched with the limiting groove, and the spring is fixedly arranged in the accommodating groove and fixedly connected with the bottom end of the sliding plate.

According to the technical scheme, after the sliding plate slides to a proper position, the rotating shaft is rotated to enable the limiting block to be clamped and embedded in the corresponding limiting groove, and the limiting block is stably clamped and embedded in the limiting groove under the action of elastic force of the spring.

As an optimized scheme of the utility model, the cover is equipped with buffering elastic component on the guide pin bushing guide pillar.

By the technical scheme, vibration of the upper template and the lower template during die assembly and demolding is reduced, abrasion is reduced, and yield is guaranteed.

As a preferred scheme of the utility model, be fixed with on the bottom plate and drive actuating cylinder, drive actuating cylinder output shaft with lower bolster bottom fixed connection.

According to the technical scheme, the driving cylinder drives the lower die plate to perform die assembly and demolding.

To sum up, the utility model discloses following beneficial effect has: plastics fluid flows through water conservancy diversion mouth rethread sprue gate gets into the die cavity when pouring, plastics can obtain the working of plastics through the cooling in the die cavity, the water conservancy diversion mouth carries out the guide effect to the plastics fluid, it is mild to make the plastics fluid flow, when the sprue gate size is adjusted to needs, the pulling axis of rotation drives the sliding plate and slides in vertical direction, cooperation through loose axle and movable groove makes the second baffle can slide with opposite direction, thereby change the sprue gate size, it is fixed with the sliding plate to recycle spacing subassembly, guarantee that the sprue gate can not changed at the pouring in-process, guaranteed that the pouring effect has realized the function of conveniently adjusting the sprue gate size simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is an enlarged view of a point a in fig. 1.

The corresponding part names indicated by the numbers and letters in the drawings:

1. a base plate; 2. a guide sleeve guide post; 3. a lower template; 4. a lower die cavity; 5. a mold core; 6. mounting a template; 7. a cavity; 8. pouring a channel; 9. a first baffle plate; 10. a second baffle; 11. a flow guide port; 12. A pouring gate; 13. a sliding plate; 14. a rotating shaft; 15. a movable groove; 16. a movable shaft; 17. a sliding groove; 18. a slide hole; 19. a limiting groove; 20. a containing groove; 21. a limiting block; 22. a spring; 23. A buffer elastic member; 24. the cylinder is driven.

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 efforts belong to the protection scope of the present invention.

Examples

As shown in fig. 1 and 2, the utility model provides an injection mold of adjustable sprue gate, include: mould subassembly, pouring channel 8, baffle subassembly and adjusting device, the mould subassembly includes: bottom plate 1, lower bolster 3, mould benevolence 5 and cope match-plate pattern 6, lower bolster 3 is connected in 1 top of bottom plate and center department through guide pin bushing guide pillar 2 and has been seted up lower die cavity 4, and mould benevolence 5 is located in lower die cavity 4, and cope match-plate pattern 6 sets firmly in 4 tops of lower bolster and can be formed with die cavity 7 with lower die cavity 4, and pouring passageway 8 runs through and sets up 6 center departments in cope match-plate pattern, and pouring passageway 8 is linked together with die cavity 7.

8 top both sides of pouring channel are located to the baffle subassembly, and the baffle subassembly includes: first baffle 9 and second baffle 10, first baffle 9 one end is articulated with 8 lateral walls tops of pouring channel, and second baffle 10 is vertical to be located in pouring channel 8 and one end is articulated near die cavity 7 one end with first baffle 9, is formed with water conservancy diversion mouth 11 between the first baffle 9 and is formed with sprue gate 12 between the second baffle 10.

Adjusting device is used for adjusting 12 sizes of sprue gate on locating cope match-plate pattern 6, and adjusting device includes: sliding plate 13, axis of rotation 14, and spacing subassembly, the vertical slidingtype assembly of sliding plate 13 is in cope match- plate pattern 6, 14 one end of axis of rotation is rotated and is connected in 13 top both sides of sliding plate and the other end is located cope match-plate pattern 6 top, spacing subassembly is used for relatively fixed sliding plate 13, sliding plate 13 crosses pouring passageway 8 and sets up in cope match-plate pattern 6, and the activity groove 15 has been seted up on the plate body that is located pouring passageway 8, first baffle 9 one end is kept away from to second baffle 10 is equipped with loose axle 16, loose axle 16 slidingtype joint is in activity groove 15.

Sliding tray 17 has been seted up to 8 both sides wall symmetries of pouring channel, slidingtype assembly in sliding tray 17, sliding hole 18 has been seted up to 6 top symmetries of cope match-plate pattern, sliding hole 18 is linked together with sliding tray 17 keeps away from 8 one side tops of pouring channel, 14 one end of axis of rotation is located 6 tops of cope match-plate pattern and the other end passes sliding hole 18 and is connected with sliding plate 13 rotation, sliding tray 17 keeps away from to have seted up a plurality of spacing grooves 19 and bottom along vertical direction on 8 lateral walls of pouring channel and has seted up storage tank 20, spacing subassembly includes: stopper 21 and spring 22, stopper 21 locate the axis of rotation 14 bottom and with spacing groove 19 looks adaptation, spring 22 sets firmly in storage tank 20 and with sliding plate 13 bottom fixed connection when sliding plate 13 slides to suitable position after, rotates axis of rotation 14 and makes stopper 21 inlay card in the spacing groove 19 that corresponds, stopper 21 stably inlay card in spacing groove 19 under the elastic force of spring 22.

Furthermore, the guide sleeve guide post 2 is sleeved with a buffering elastic part 23, so that the vibration of the upper template 6 and the lower template 3 during die assembly and demolding is reduced, the abrasion is reduced, and the yield is ensured.

Further, be fixed with on the bottom plate 1 and drive actuating cylinder 24, drive actuating cylinder 24 output shaft and 3 bottom fixed connection of lower bolster, drive actuating cylinder 24 and drive lower bolster 3 and carry out the compound die drawing of patterns.

The utility model discloses in, plastic fluid flows through water conservancy diversion mouth 11 rethread sprue gate 12 and gets into die cavity 7 when pouring, plastics can obtain the working of plastics through the cooling in die cavity 7, water conservancy diversion mouth 11 carries out the guide effect to plastic fluid, it is mild to make plastic fluid flow, when sprue gate 12 size is adjusted to needs, pulling axis of rotation 14 drives sliding plate 13 and slides in vertical direction, make second baffle 10 can slide with opposite direction through loose axle 16 and the cooperation of activity groove 15, thereby change sprue gate 12 size, it is fixed with sliding plate 13 to recycle spacing subassembly, guarantee that sprue gate 12 can not be changed at the pouring in-process, guaranteed that the pouring effect has realized the function of conveniently adjusting sprue gate 12 size simultaneously.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (5)

1. An injection mold of an adjustable sprue gate, comprising:

a mold assembly, the mold assembly comprising: the die comprises a bottom plate, a lower die plate, a die core and an upper die plate, wherein the lower die plate is connected above the bottom plate through a guide sleeve guide pillar, the center of the lower die plate is provided with a lower die cavity, the die core is arranged in the lower die cavity, and the upper die plate is fixedly arranged above the lower die plate and can form a die cavity with the lower die cavity;

the pouring channel penetrates through the center of the upper template and is communicated with the cavity;

locate the baffle subassembly of pouring channel top both sides, the baffle subassembly includes: the pouring device comprises a first baffle plate and a second baffle plate, wherein one end of the first baffle plate is hinged with the top end of the side wall of the pouring channel, the second baffle plate is vertically arranged in the pouring channel, and one end of the second baffle plate is hinged with one end of the first baffle plate, which is close to the cavity; and the number of the first and second groups,

locate be used for adjusting on the cope match-plate pattern adjusting device of sprue gate size, adjusting device includes: the sliding plate is vertically assembled in the upper die plate in a sliding mode, one end of the sliding plate is rotatably connected to two sides of the top end of the sliding plate, the other end of the sliding plate is located on a rotating shaft above the upper die plate, and a limiting component used for fixing the sliding plate relatively is arranged on the upper die plate.

2. The injection mold with an adjustable pouring gate according to claim 1, wherein two side walls of the pouring channel are symmetrically provided with sliding grooves, the sliding plate is slidably fitted in the sliding grooves, the top end of the upper mold plate is symmetrically provided with sliding holes, the sliding holes are communicated with the top end of the sliding groove on the side away from the pouring channel, one end of the rotating shaft is located above the upper mold plate, and the other end of the rotating shaft passes through the sliding holes to be rotatably connected with the sliding plate.

3. The injection mold with an adjustable pouring gate according to claim 2, wherein a side wall of the sliding groove away from the pouring channel is provided with a plurality of limiting grooves along a vertical direction and a containing groove at a bottom end, and the limiting assembly comprises: the limiting block is arranged at the bottom end of the rotating shaft and matched with the limiting groove, and the spring is fixedly arranged in the accommodating groove and fixedly connected with the bottom end of the sliding plate.

4. The injection mold with an adjustable pouring gate according to claim 1, wherein the guide sleeve guide post is sleeved with a buffering elastic member.

5. The injection mold with the adjustable pouring gate according to claim 1, wherein a driving cylinder is fixed on the bottom plate, and an output shaft of the driving cylinder is fixedly connected with the bottom end of the lower template.

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