CN218838547U

CN218838547U - Internal thread loose core mould structure

Info

Publication number: CN218838547U
Application number: CN202222734546.2U
Authority: CN
Inventors: 叶宗江; 刘建峰; 张吉先
Original assignee: Suzhou Babao Precision Mould Co ltd
Current assignee: Suzhou Babao Precision Mould Co ltd
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-04-11
Anticipated expiration: 2032-10-17

Abstract

The utility model belongs to the mould field of loosing core, concretely relates to internal thread loose core mould structure has solved the problem that exists unstably, inefficiency among the prior art, including hydraulic motor, push pedal and gear shaft, hydraulic motor's output fixedly connected with little sprocket, the outside fixed cover of gear shaft is equipped with big sprocket, big sprocket with the outside of little sprocket is equipped with the chain belt jointly; the fixed cover that still is equipped with of outside of gear shaft is equipped with drive gear, the drive gear meshing is connected with two driven gear, two driven gear's inside all nestification has the thread mold core, through the setting of hydraulic motor, little thrust bearing, big thrust bearing and big deep groove ball bearing isotructure, adopts hydraulic motor to replace oil cylinder drive, and the action is more smooth and easy, can not die the card, has guaranteed product quality's stability, stabilizes the thread mold core with a plurality of bearing cooperations, further improves the stability of drawing of patterns to improve production efficiency.

Description

Internal thread loose core mould structure

Technical Field

The utility model relates to a mould technical field of loosing core specifically is internal thread loose core mould structure.

Background

At present, a mold is a variety of molds and tools for obtaining a required product by injection molding, blow molding, extrusion, die casting or forging molding, smelting, stamping and other methods in industrial production, the mold is a tool for manufacturing a molded article, the tool is composed of various parts, and different molds are composed of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material.

To present internal thread loose core mould structure, also distribute the screw thread on the mould, the screw thread mould can not be like the vertical demolding of other glossy moulds when carrying out the demolding, and need carry out the rotatory demolding of screw thread, and demoulding structure on the market adopts the hydro-cylinder to drive, and the dead probability of hydro-cylinder twitch card is great, and is not stable enough, and the auxiliary component simple structure that is used for the drawing of patterns simultaneously, and the action of loosing core is unsmooth, and production efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an internal thread loose core mould structure has solved unstability, the problem of inefficiency.

In order to achieve the above purpose, the utility model provides a following technical scheme: the internal thread core-pulling die structure comprises a hydraulic motor, a push plate and a gear shaft, wherein the output end of the hydraulic motor is fixedly connected with a small chain wheel, a large chain wheel is fixedly sleeved outside the gear shaft, and a chain belt is assembled outside the large chain wheel and the small chain wheel together;

the gear shaft is fixedly sleeved with a driving gear, the driving gear is connected with two driven gears in a meshing manner, thread mold cores are nested inside the two driven gears, and the peripheral surfaces of the thread mold cores, close to the top ends, are provided with thread parts;

the push plate is provided with a product with a cavity structure, and the inner wall of the product is provided with an internal thread with the same specification as the thread part.

Preferably, both ends of the gear shaft are provided with small deep groove ball bearings.

Preferably, one side of the hydraulic motor is respectively provided with an oil inlet and an oil outlet.

Preferably, the two thread mold cores are sequentially sleeved with a large deep groove ball bearing, a large thrust bearing and a small thrust bearing.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a hydraulic motor, little thrust bearing, big thrust bearing and big deep groove ball bearing isotructure set up, adopt hydraulic motor to replace oil cylinder drive, and the action is more smooth and easy, can not block and die, has guaranteed product quality's stability, stabilizes the thread mold core with a plurality of bearing cooperations, further improves the stability of drawing of patterns to improve production efficiency.

Drawings

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

FIG. 2 is a cross-sectional view of the gear shaft of the present invention;

fig. 3 is a schematic structural view of the middle screw mold core and the gear shaft of the present invention.

In the figure: 1. pushing the plate; 2. a product; 3. a thread mold core; 4. a large deep groove ball bearing; 5. a high thrust bearing; 6. a small thrust bearing; 7. a hydraulic motor; 71. an oil inlet; 72. an oil outlet; 8. a small sprocket; 9. a chain belt; 10. a large sprocket; 11. a gear shaft; 12. a drive gear; 13. a driven gear; 14. small deep groove ball bearings.

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, the internal thread core-pulling mold structure includes a hydraulic motor 7, a push plate 1 and a gear shaft 11, wherein an output end of the hydraulic motor 7 is fixedly connected with a small chain wheel 8, a large chain wheel 10 is fixedly sleeved outside the gear shaft 11, and a chain belt 9 is assembled between the large chain wheel 10 and the small chain wheel 8; a driving gear 12 is fixedly sleeved outside the gear shaft 11, the driving gear 12 is connected with two driven gears 13 in a meshing manner, the two driven gears 13 are both nested with the thread mold core 3, and the outer peripheral surface of the thread mold core 3 close to the top end is provided with a thread part; be provided with the product 2 of cavity structure on the push pedal 1, be equipped with the internal thread the same with screw thread portion specification on the inner wall of product 2, through hydraulic motor 7, little thrust bearing 6, big thrust bearing 5 and the setting of big deep groove ball bearing 4 isotructures, adopt hydraulic motor 7 to replace oil cylinder drive, the action is more smooth and easy, can not block and die, guaranteed the stability of product 2 quality, stabilize thread mold core 3 with a plurality of bearing cooperations, further improve the stability of drawing of patterns, thereby improve production efficiency.

Referring to fig. 1 and 2, both ends of the gear shaft 11 are mounted with small deep groove ball bearings 14.

Referring to fig. 1, an oil inlet 71 and an oil outlet 72 are respectively disposed at one side of the hydraulic motor 7.

Referring to fig. 1, a large deep groove ball bearing 4, a large thrust bearing 5 and a small thrust bearing 6 are sequentially sleeved outside two thread mold cores 3.

The utility model discloses the concrete implementation process as follows: through the operation of the hydraulic motor 7, the small chain wheel 8 which is specified on the rotating shaft of the hydraulic motor 7 is driven to rotate, then the chain belt 9 on the small chain wheel 8 also rotates under the rotation of the small chain wheel 8, at the moment, the large chain wheel 10 can rotate together under the rotating force of the chain belt 9, because the large chain wheel 10 and the driving gear 12 are connected together through the gear shaft 11 to form a whole, the driving gear 12 on the gear shaft 11 also rotates together with the large chain wheel 10 under the rotation of the gear shaft 11, the thread mold core 3 is connected and fixed with the driven gear 13 through the fixing pin to form a synchronous moving whole, the teeth of the driven gear 13 and the driving gear 12 are attached together, when the driving gear 12 rotates, the thread mold core 3 fixed together with the driven gear 13 rotates together to withdraw the internal thread of the product 2, the push plate 1 synchronously pushes out the product 2, the operation of the whole structure lies in the hydraulic motor 7, compared with the oil cylinder driving (the cylinder point is very large for the mold, and the oil cylinder pulling and the blocking probability is more, the oil cylinder type is not suggested), the oil cylinder type oil cylinder type driving method is more adopted), the hydraulic motor 7 is more smooth in driving, the mold blocking probability can be effectively reduced, the stability of the quality of the product 2 is ensured, and the automatic injection molding production efficiency is effectively improved, and the automatic production efficiency of the automatic injection molding production of the thread production is improved.

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 internal thread core-pulling die structure is characterized by comprising a hydraulic motor (7), a push plate (1) and a gear shaft (11), wherein a small chain wheel (8) is fixedly connected to the output end of the hydraulic motor (7), a large chain wheel (10) is fixedly sleeved outside the gear shaft (11), and a chain belt (9) is assembled between the large chain wheel (10) and the small chain wheel (8);

a driving gear (12) is fixedly sleeved outside the gear shaft (11), the driving gear (12) is connected with two driven gears (13) in a meshed mode, the interior of each driven gear (13) is nested with a thread mold core (3), and the outer peripheral face, close to the top end, of each thread mold core (3) is provided with a thread portion;

the push plate (1) is provided with a product (2) with a cavity structure, and the inner wall of the product (2) is provided with an internal thread with the same specification as the thread part.

2. The internal thread core pulling mold structure according to claim 1, characterized in that: and small deep groove ball bearings (14) are mounted at two ends of the gear shaft (11).

3. The internal thread core pulling mold structure according to claim 1, characterized in that: an oil inlet (71) and an oil outlet (72) are respectively arranged on one side of the hydraulic motor (7).

4. The internal thread core pulling mold structure according to claim 1, characterized in that: and a large deep groove ball bearing (4), a large thrust bearing (5) and a small thrust bearing (6) are sequentially sleeved outside the two thread mold cores (3).