CN210733158U

CN210733158U - Demoulding mechanism capable of improving stability for injection mould

Info

Publication number: CN210733158U
Application number: CN201921252426.0U
Authority: CN
Inventors: 吴嘉璐
Original assignee: PEIHONG ELECTRONIC CO Ltd (SHENZHEN)
Current assignee: PEIHONG ELECTRONIC CO Ltd (SHENZHEN)
Priority date: 2019-08-05
Filing date: 2019-08-05
Publication date: 2020-06-12
Anticipated expiration: 2029-08-05

Abstract

The utility model discloses a can improve demoulding mechanism for injection mold of stability, including upper junction plate, servo motor and second loop bar, the bottom of upper junction plate is connected with the upper die base, and the centre of upper junction plate has seted up the sprue gate to the bottom of sprue gate is connected with total runner, total runner sets up in the inside of upper die base, and the below of total runner is provided with the subchannel, the bottom of fixed plate is connected with lower junction plate, the top of ejector pin is provided with the die cavity, and the die cavity sets up in the inside of die holder to the die holder sets up in the top of lower junction plate. This can improve demoulding mechanism for injection mold of stability is provided with 4 ejector pins, and the position one-to-one of ejector pin and die cavity to ejector pin and bottom plate formula structure as an organic whole, when the bottom plate rises along with the second cover bar, can be simultaneously ejecting with the finished product in the die cavity through the ejector pin, improved this injection mold's drawing of patterns progress.

Description

Demoulding mechanism capable of improving stability for injection mould

Technical Field

The utility model relates to an injection mold technical field specifically is a can improve demoulding mechanism for injection mold of stability.

Background

The injection mold is mainly a tool for producing plastic products, the injection mold can be divided into different types according to the shape and the performance of the plastic products, after the products are molded and cooled, the upper mold and the lower mold are separated to take out finished products, and the manufacturing is completed, but the existing injection mold demolding mechanism still has some defects in the using process, for example, the stability during demolding is not strong, the demolding efficiency is low, the taking-out progress of the finished products is influenced, and the production efficiency of the injection mold on the products is also reduced, so that the demolding mechanism for the injection mold can improve the stability, and the problems provided in the method are solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can improve demoulding mechanism for injection mold of stability to stability is not strong when solving the injection mold drawing of patterns on the existing market that above-mentioned background art provided, and demoulding efficiency is lower moreover, and then has influenced the off-the-shelf progress of taking out, has also reduced injection mold to the production efficiency's of goods problem.

In order to achieve the above object, the utility model provides a following technical scheme: a demoulding mechanism for an injection mould capable of improving stability comprises an upper connecting plate, a servo motor and a second loop bar, wherein the bottom of the upper connecting plate is connected with an upper mould base, the middle of the upper connecting plate is provided with a pouring gate, the bottom of the pouring gate is connected with a main flow channel, the main flow channel is arranged inside the upper mould base, a sub flow channel is arranged below the main flow channel, the left side and the right side of the upper mould base are respectively provided with a first loop bar, the outer side of the first loop bar is fixedly provided with a connecting block, the connecting block is connected with a fixed plate through a groove, the bottom of the fixed plate is connected with a lower connecting plate, the servo motor is arranged at the bottom of the lower connecting plate, the output end of the servo motor is connected with a first lead screw, the left side and the right side of the first lead screw are respectively connected with a second lead screw through a transmission belt, the bottom of the second loop bar is connected with a first lead screw, the top of the second loop bar is provided with a bottom plate, the top of the bottom plate is connected with an ejector rod, a die cavity is arranged above the ejector rod and is arranged inside the lower die holder, and the lower die holder is arranged above the lower connecting plate.

Preferably, the number of the sub-runners is four, and the bottom of each sub-runner corresponds to the position of the mold cavity one by one.

Preferably, the number of the first sleeve rods is two, the 2 first sleeve rods are symmetrical about the longitudinal center line of the upper connecting plate, and the first sleeve rods are connected with the second screw rods in a threaded manner.

Preferably, the connection mode of connecting block and first sleeve rod is the welding, and the connecting block passes through the recess and constitutes sliding construction with the fixed plate.

Preferably, the bottom plate is connected with the second loop bar in a welding mode, and the second loop bar is connected with the second screw rod in a threaded mode.

Preferably, the ejector rod and the bottom plate are of an integrated structure, and the bottom plate is connected with the inner wall of the lower die holder in a sliding mode.

Preferably, the top rod comprises a first fixing rod, a connecting spring and a second fixing rod, the first fixing rod is arranged on the outer side of the second fixing rod, and the first fixing rod is connected with the second fixing rod through the connecting spring.

Compared with the prior art, the beneficial effects of the utility model are that: the demoulding mechanism for the injection mould can improve the stability,

(1) 4 ejector rods are arranged, the positions of the ejector rods correspond to the positions of the mold cavities one by one, the ejector rods and the bottom plate are of an integrated structure, when the bottom plate rises along with the second sleeve rod, finished products in the mold cavities can be ejected out simultaneously through the ejector rods, and the demolding progress of the injection mold is improved;

(2) the injection mold is provided with 2 first sleeve rods, the first sleeve rods are in threaded connection with the second lead screws, and the second lead screws are connected with the first lead screws through the transmission belts, so that the first lead screws and the second lead screws can rotate simultaneously, the upper mold base and the lower mold base are separated and simultaneously subjected to demolding operation, the working efficiency of the injection mold is improved, and the demolding process is more stable;

(3) the sub-runners are communicated with the die cavity, and compared with the traditional mode of forming a product at one time, the work progress of the injection mold is improved, and the workload is reduced for workers.

Drawings

FIG. 1 is a schematic view of the overall main sectional structure of the present invention;

FIG. 2 is a schematic view of the structure of the runner and the cavity in the top view;

FIG. 3 is a schematic view of the connection structure of the first loop bar and the connection block of the present invention;

FIG. 4 is a schematic view of the connection structure of the bottom plate and the post rod of the present invention;

fig. 5 is a schematic view of the structure of the push rod of the present invention.

In the figure: 1. an upper connecting plate; 2. an upper die holder; 3. a pouring gate; 4. a main flow channel; 5. a shunt channel; 6. a first loop bar; 7. connecting blocks; 8. a groove; 9. a fixing plate; 10. a lower connecting plate; 11. a servo motor; 12. a first lead screw; 13. a drive belt; 14. a second lead screw; 15. a second loop bar; 16. a base plate; 17. a top rod; 1701. a first fixing lever; 1702. a connecting spring; 1703. a second fixing bar; 18. a mold cavity; 19. and a lower die holder.

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. 1-5, the present invention provides a technical solution: a demoulding mechanism for an injection mould capable of improving stability comprises an upper connecting plate 1, an upper mould base 2, a pouring gate 3, a total runner 4, a sub-runner 5, a first sleeve rod 6, a connecting block 7, a groove 8, a fixing plate 9, a lower connecting plate 10, a servo motor 11, a first screw rod 12, a transmission belt 13, a second screw rod 14, a second sleeve rod 15, a bottom plate 16, an ejector rod 17, a mould cavity 18 and a lower mould base 19, wherein the upper mould base 2 is connected to the bottom of the upper connecting plate 1, the pouring gate 3 is arranged in the middle of the upper connecting plate 1, the total runner 4 is connected to the bottom of the pouring gate 3, the total runner 4 is arranged inside the upper mould base 2, the sub-runner 5 is arranged below the total runner 4, the first sleeve rods 6 are arranged on the left side and the right side of the upper mould base 2, the connecting block 7 is fixed on the outer side of the first sleeve rod 6, and the connecting, the bottom of the fixed plate 9 is connected with a lower connecting plate 10, a servo motor 11 is installed at the bottom of the lower connecting plate 10, the output end of the servo motor 11 is connected with a first lead screw 12, the left side and the right side of the first lead screw 12 are connected with a second lead screw 14 through a transmission belt 13, a first sleeve rod 6 is arranged at the top of the second lead screw 14, a first lead screw 12 is connected at the bottom of a second sleeve rod 15, a bottom plate 16 is installed at the top of the second sleeve rod 15, an ejector rod 17 is connected at the top of the bottom plate 16, a mold cavity 18 is arranged above the ejector rod 17, the mold cavity 18 is arranged inside a lower mold base 19, and the lower mold base 19 is arranged above the;

the four branch channels 5 are arranged, and the bottom of each branch channel 5 corresponds to the position of the mold cavity 18 one by one, so that the working progress of the injection mold is improved and the workload of workers is reduced compared with the traditional mode of molding one product at one time;

the number of the first sleeve rods 6 is two, the 2 first sleeve rods 6 are symmetrical about the longitudinal central line of the upper connecting plate 1, and the first sleeve rods 6 are in threaded connection with the second screw rod 14, so that the upper die base 2 can move more stably in the demolding process, and the shaking phenomenon is prevented;

the connecting block 7 and the first sleeve rod 6 are connected in a welding mode, and the connecting block 7 and the fixing plate 9 form a sliding structure through the groove 8, so that the first sleeve rod 6 can be more stable when moving, and the stability of the injection mold in the using process is further ensured;

the bottom plate 16 is connected with the second sleeve rod 15 in a welding mode, the second sleeve rod 15 is connected with the second screw rod 14 in a threaded mode, the connection stability between the bottom plate 16 and the second sleeve rod 15 is guaranteed, and the phenomenon of falling off in the using process is effectively prevented;

the ejector rod 17 and the bottom plate 16 are of an integrated structure, and the bottom plate 16 is connected with the inner wall of the lower die holder 19 in a sliding manner, so that the bottom plate 16 can be more stable when lifted, and the normal operation of the demoulding operation of the injection mould is further ensured;

the top bar 17 comprises a first fixing rod 1701, a connecting spring 1702 and a second fixing rod 1703, the first fixing rod 1701 is arranged on the outer side of the second fixing rod 1703, and the first fixing rod 1701 is connected with the second fixing rod 1703 through the connecting spring 1702, so that the vibration force of the second fixing rod 1703 can be reduced when finished products are ejected, the vibration force of the bottom plate 16 is further reduced, and the damage probability of the bottom plate 16 is reduced.

The working principle is as follows: when the demoulding mechanism for the injection mould capable of improving the stability is used, according to the figures 1-5, firstly, a worker fixes the lower connecting plate 10 and the lower die holder 19 at corresponding positions, then pouring prepared pouring liquid from the pouring gate 3, wherein the pouring liquid can flow into the die cavity 18 along the main runner 4 and the branch runners 5 to manufacture a product, when the product is formed and needs to be taken out, the worker starts the servo motor 11 through an external power supply, the servo motor 11 can drive the first screw rod 12 to rotate, because the left side and the right side of the first screw rod 12 are connected with the second screw rod 14 through the transmission belt 13, and the connection modes of the second screw rod 14 and the first sleeve rod 6 with the first screw rod 12 and the second sleeve rod 15 are both in threaded connection, so that when the first screw rod 12 rotates, the second screw rod 14 can be driven to rotate together, and the first sleeve rod 6 and the second sleeve rod 15 move upwards together, meanwhile, the connecting block 7 on the outer side of the first loop bar 6 slides upwards along the groove 8 to ensure the ascending stability of the first loop bar 6, and the upper connecting plate 1 and the upper die base 2 are driven by the first loop bar 6 to move upwards together, so that the upper die base 2 is separated from the lower die base 19;

when the second sleeve rod 15 rises, the bottom plate 16 and the ejector rods 17 are driven to rise together, the number of the ejector rods 17 is four, the positions of the 4 ejector rods 17 correspond to the positions of the 4 die cavities 18 one by one, so that finished products in the die cavities 18 can be ejected through the ejector rods 17, the first fixing rod 1701 can slow down the vibration force of the second fixing rod 1703 under the action of the connecting spring 1702, the vibration force of the bottom plate 16 is further reduced, the damage probability of the bottom plate 16 is reduced, compared with a traditional demolding mode, the stability is better, the demolding efficiency of the injection mold is also improved, the above is the working process of the whole device, and the content which is not described in detail in the specification belongs to the prior art which is known by professionals in the field.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a can improve demoulding mechanism for injection mold of stability, includes upper junction plate (1), servo motor (11) and second loop bar (15), its characterized in that: the bottom of the upper connecting plate (1) is connected with an upper die holder (2), a pouring gate (3) is arranged in the middle of the upper connecting plate (1), the bottom of the pouring gate (3) is connected with a main runner (4), the main runner (4) is arranged inside the upper die holder (2), a sub-runner (5) is arranged below the main runner (4), first loop bars (6) are arranged on the left side and the right side of the upper die holder (2), connecting blocks (7) are fixed on the outer sides of the first loop bars (6), the connecting blocks (7) are connected with a fixing plate (9) through grooves (8), a lower connecting plate (10) is connected with the bottom of the fixing plate (9), a servo motor (11) is arranged at the bottom of the lower connecting plate (10), the output end of the servo motor (11) is connected with a first screw rod (12), and the left side and the right side of the first screw rod (12) are connected with a second screw rod (14) through a transmission belt (13), the top of second lead screw (14) is provided with first loop bar (6), the bottom of second loop bar (15) is connected with first lead screw (12), and bottom plate (16) are installed at the top of second loop bar (15) to the top of bottom plate (16) is connected with ejector pin (17), the top of ejector pin (17) is provided with die cavity (18), and die cavity (18) set up in the inside of die holder (19), and die holder (19) set up in the top of lower connecting plate (10).

2. The mold releasing mechanism for an injection mold according to claim 1, wherein: the number of the sub-runners (5) is four, and the bottom of each sub-runner (5) corresponds to the position of the mold cavity (18) one by one.

3. The mold releasing mechanism for an injection mold according to claim 1, wherein: the number of the first loop bars (6) is two, the 2 first loop bars (6) are symmetrical about the longitudinal central line of the upper connecting plate (1), and the first loop bars (6) are in threaded connection with the second screw rod (14).

4. The mold releasing mechanism for an injection mold according to claim 1, wherein: the connecting mode of connecting block (7) and first loop bar (6) is the welding, and connecting block (7) pass through recess (8) and constitute sliding construction with fixed plate (9).

5. The mold releasing mechanism for an injection mold according to claim 1, wherein: the bottom plate (16) is connected with the second loop bar (15) in a welding mode, and the second loop bar (15) is connected with the second screw rod (14) in a threaded mode.

6. The mold releasing mechanism for an injection mold according to claim 1, wherein: the ejector rod (17) and the bottom plate (16) are of an integrated structure, and the bottom plate (16) is connected with the inner wall of the lower die holder (19) in a sliding mode.

7. The mold releasing mechanism for an injection mold according to claim 1, wherein: the top bar (17) comprises a first fixing rod (1701), a connecting spring (1702) and a second fixing rod (1703), the first fixing rod (1701) is arranged on the outer side of the second fixing rod (1703), and the first fixing rod (1701) is connected with the second fixing rod (1703) through the connecting spring (1702).