CN222135777U

CN222135777U - A multi-cavity internal thread automatic stripping mechanism

Info

Publication number: CN222135777U
Application number: CN202420689603.6U
Authority: CN
Inventors: 马胜; 黄桑; 冯锦荣; 胡义柯; 毕爱琴
Original assignee: Linhai Weixing New Building Materials Co Ltd
Current assignee: Linhai Weixing New Building Materials Co Ltd
Priority date: 2024-04-07
Filing date: 2024-04-07
Publication date: 2024-12-10
Anticipated expiration: 2034-04-07

Abstract

The utility model discloses a multi-cavity automatic internal thread demoulding mechanism which comprises an upper die, a lower die, an oil motor, a driving gear, a driven gear set cover plate and a rotary core, wherein the upper die is arranged above the lower die, an upper cavity is arranged in the upper die, a pair of sliding blocks are arranged in the lower die, a sliding block ejector rod is connected below the sliding blocks, the output end of the oil motor is connected with the driving gear, the driving gear is connected with the driven gear set, the driven gear is arranged on the rotary core, the upper end of the rotary core is connected with the driven gear set cover plate, radial bearings and thrust bearings are arranged on the upper side and the lower side of the driven gear of the rotary core, and a product cavity is formed by the upper cavity, the two sliding blocks and the rotary core. According to the utility model, the gear set is driven to rotate by the oil motor so as to drive the rotary core to rotate, so that the demolding of the pipe fitting with the internal thread is realized, the occupied space of the demolding structure is small, the structure is compact, the manufacturing cost of the mold can be reduced, and the production efficiency is improved.

Description

Automatic demoulding mechanism of internal thread of multicavity

Technical Field

The utility model relates to the technical field of pipe dies, in particular to an automatic demoulding mechanism for multi-cavity internal threads.

Background

At present, most plastic pipe fittings are processed by adopting injection molds, and a plurality of plastic pipe fittings are provided with internal threads, so that the precision and the size required by the plastic pipe fittings with internal threads are higher, the production molds of partial small pipe fittings cannot adopt an internal drawing structure, the mold structure is complex, the manufacturing cost is high, and the production of small plastic pipe fittings with internal threads is not facilitated.

Disclosure of utility model

The utility model aims to provide a multi-cavity internal thread automatic demoulding mechanism for realizing demoulding of a plastic pipe fitting with internal threads.

The technical problem to be solved by the utility model can be solved by adopting the following technical scheme that the multi-cavity internal thread automatic demoulding mechanism comprises an upper die, a lower die, an oil motor, a driving gear, a driven gear set cover plate and a rotary core, wherein the upper die is arranged above the lower die, an upper cavity is arranged in the upper die, a pair of sliding blocks are arranged in the lower die, a sliding block ejector rod is connected below the sliding blocks, the output end of the oil motor is connected with the driving gear, the driving gear is connected with the driven gear set, the driven gear is arranged on the rotary core, the upper end of the rotary core is connected with the driven gear set cover plate, and the upper cavity, the two sliding blocks and the rotary core form a product cavity.

The upper side and the lower side of the driven gear of the rotary core are respectively provided with a radial bearing, the rotary core is provided with a thrust bearing, and the thrust bearing is positioned above the radial bearing at the upper part.

The lower end of the sliding block ejector rod is fixed on the ejector plate, the sliding block ejector rod penetrates through the base plate to be connected with the lower part of the sliding block, the ejector plate is fixed on the ejector plate, and the ejector plate is arranged on the lower plate.

The oil motor is fixed on an oil motor fixing plate, and the oil motor fixing plate is fixed on one side of the upper die.

A driving gear cover plate is arranged above the driving gear and fixed on the oil motor fixing plate.

And a driven gear set cover plate is arranged above the driven gear set and is fixed between the upper compound plate and the upper die.

The lower end of the rotary core is contacted with the product ejector rod during die assembly, and the lower end of the product ejector rod is fixed on the ejector plate.

The product cavity is two, be provided with two pairs of sliders in the lower mould, driven gear group has two rows of driven gears that are connected with rotatory core.

The lower die is arranged on the base plate, the base plate is arranged above the die feet, the die feet are fixed on the lower compound plate, an upper die is arranged below the upper compound plate, four guide posts are arranged on the upper compound plate, four guide sleeves are correspondingly arranged on the base plate, the guide posts penetrate through the driven gear set cover plate and the upper die, the guide sleeves penetrate through the lower die, and the guide posts are inserted into the guide sleeves.

The front end and the rear end of the sliding block are provided with guide rail blocks, the guide rail blocks are fixed on the lower die, and two inclined guide rails are arranged on the guide rail blocks.

Compared with the prior art, the utility model has the advantages that the oil motor drives the gear set to rotate so as to drive the rotary core to rotate, so that the demolding of the pipe fitting product with the internal threads is realized, the demolding structure occupies less space, the structure is compact, the manufacturing cost of the mold can be reduced, the use is convenient, the multi-cavity product can be automatically unthreaded by one-time injection molding, and the production efficiency can be improved by adopting two rows of arrangement.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the structure of the present utility model;

FIG. 3 is a schematic diagram of a gear assembly of the present utility model;

FIG. 4 is a schematic view of the structure of the present utility model with the upper and lower molds removed;

FIG. 5 is a schematic view of the structure of the lower mold of the present utility model;

the drawing comprises a 1-upper complex plate, a 2-radial bearing, a 3-thrust bearing, a 4-driving gear, a 5-oil motor, a 6-base plate, a 7-lower complex plate, an 8-driven gear cover plate, a 9-lower die, a 10-driving gear cover plate, a 11-oil motor fixing plate, a 12-pipe product, a 13-driven gear, a 14-rotating core, a 15-die foot, a 16-sliding block ejector rod, a 17-sliding block, a 18-upper die, a 19-upper die cavity, a 20-ejector plate, a 21-guide rail block, a 22-guide pillar, a 23-guide sleeve, a 24-reset rod and a 25-product ejector rod.

Detailed Description

The utility model is further described with reference to the following detailed drawings in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the implementation of the utility model easy to understand.

In the description of the present utility model, it should be understood that the terms "one end," "the other end," "the outer side," "the upper," "the inner side," "the horizontal," "coaxial," "the center," "the end," "the length," "the outer end," and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Referring to fig. 1 to 5, this embodiment discloses an automatic demoulding mechanism of internal thread of multicavity, including last mould 18, lower mould 9, oily motor 5, driving gear 4, driven gear train apron 8, go up die cavity 19, slider 17, rotary core 14, radial bearing 2 and thrust bearing 3, go up the mould 18 and set up the top of lower mould 9, be provided with last die cavity 19 in the last mould 18, be provided with a pair of slider 17 in the lower mould 9, two slider 17 symmetry settings, the below of slider 17 is connected with slider ejector pin 16, and the lower extreme of slider ejector pin 16 is fixed on thimble board 20, slider ejector pin 16 passes backing plate 6 and slider 17's lower part and is connected, slider ejector pin 16's upper end and slider 17 lower part adoption I-shaped. The output end of the oil motor 5 is connected with a driving gear 4, the driving gear 4 is connected with a driven gear set, a driven gear set cover plate 8 is arranged above the driven gear set, and the driven gear set cover plate 8 is fixed between the upper complex plate 1 and the upper die 18. The driven gear set is internally provided with a plurality of driven gears 13, the driven gears 13 are arranged on the rotary core 14, the upper end of the rotary core 14 is connected with the driven gear set cover plate 8, the lower end of the rotary core 14 penetrates through the upper cavity 19 to extend into the product cavity, and the upper cavity 19, the two sliding blocks 17 and the rotary core 14 form the product cavity.

The upper side and the lower side of the driven gear 13 of the rotary core 14 are respectively provided with a radial bearing 2, the rotary core 14 is provided with a thrust bearing 3, the thrust bearing 3 is positioned above the radial bearing 2 at the upper part, and the radial bearing 2 and the thrust bearing 3 ensure that the rotary core 14 does not shake when rotating.

The oil motor 5 is fixed on the oil motor fixing plate 11, the oil motor fixing plate 11 is fixed on one side of the upper die 18, a driving gear cover plate 10 is arranged above the driving gear 4, and the driving gear cover plate 10 is fixed on the oil motor fixing plate 11.

The lower end of the rotary core 14 contacts with a product ejector pin 25 during mold closing, and the lower end of the product ejector pin 25 is fixed to the ejector plate 20.

Two product cavities are arranged, two pairs of sliding blocks 17 are arranged in the lower die 9, the driven gear set is provided with two rows of driven gears 13 connected with a rotary core 14, and one die is provided with two product cavities, so that the production efficiency is improved.

The lower die 9 is arranged on the base plate 6, the base plate 6 is arranged above die feet, the die feet 15 are fixed on the lower compound plate 7, an upper die 18 is arranged below the upper compound plate 1, four guide posts 22 are arranged on the upper compound plate 1, four guide sleeves 23 are correspondingly arranged on the base plate 6, the guide posts 22 penetrate through the driven gear set cover plate 8 and the upper die 18, the guide sleeves 23 penetrate through the lower die 9, the guide posts 22 are inserted into the guide sleeves 23, an ejector plate 20 is arranged on the lower compound plate 7, a reset rod 24 is arranged on the ejector plate 20, the reset rod 24 penetrates through holes in the lower die 9 and the base plate 6, a spring is sleeved on the reset rod 24, the upper end of the spring is connected with the base plate 6, and the lower end of the spring is connected with the ejector plate 20.

The front end and the rear end of the sliding block 17 are respectively provided with a guide rail block 21, the guide rail blocks 21 are fixed on the lower die 9, two inclined guide rails are arranged on the guide rail blocks 21, the front end and the rear end of the sliding block 17 are correspondingly provided with guide rails, and the sliding block 17 can slide along the guide rails.

When the mold is opened, the upper mold 18 is separated from the lower mold 9, meanwhile, the oil motor 5 works to drive the driving gear and the driven gear 13 to rotate, the driven gear 13 drives the rotary core 14 to rotate, the pipe fitting product 12 on the rotary core 14 is unthreaded, then the ejector pin plate 20 of the injection molding machine is ejected, the slider ejector pin 16 is ejected upwards to the slider 17, the two sliders 17 are separated, and meanwhile, the product ejector pin 25 is ejected upwards to the product 12, so that the demolding of the pipe fitting product 12 is realized. The utility model drives the gear set to rotate by the oil motor 5 so as to drive the rotary core 14 to rotate, thereby realizing demoulding of the pipe fitting product with internal threads, the demoulding structure occupies little space, has compact structure, can reduce the manufacturing cost of the mould and improve the production efficiency, can automatically thread off the multi-cavity product by one-time injection molding, and can improve the production efficiency by adopting two rows of arrangement.

The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the utility model in any way, but any simple modification, equivalent variation or modification made to the above embodiments according to the technical principles of the present utility model still falls within the scope of the technical solutions of the present utility model.

Claims

1. The utility model provides an automatic demoulding mechanism of internal thread of multicavity, includes mould (18), lower mould (9), oily motor (5), driving gear (4), driven gear group and rotary core (14), go up mould (18) and set up the top of lower mould (9), wherein be provided with die cavity (19) in going up mould (18), be provided with a pair of slider (17) in lower mould (9), the below of slider (17) is connected with slider ejector pin (16), the output of oily motor (5) is connected with driving gear (4), driving gear (4) are connected with driven gear group, driven gear (13) set up on rotary core (14), the upper end and the driven gear group apron (8) of rotary core (14) are connected, the goods cavity is constituteed to last die cavity (19), two sliders (17) and rotary core (14).

2. The multi-cavity automatic internal thread demoulding mechanism as claimed in claim 1, wherein the upper side and the lower side of the driven gear (13) of the rotary core (14) are respectively provided with a radial bearing (2), the rotary core (14) is provided with a thrust bearing (3), and the thrust bearing (3) is positioned above the radial bearing (2) at the upper part.

3. The multi-cavity automatic internal thread demoulding mechanism as claimed in claim 1, wherein the lower end of a sliding block ejector rod (16) is fixed on the ejector plate (20), and the sliding block ejector rod (16) penetrates through the backing plate (6) to be connected with the lower part of the sliding block (17).

4. A multi-cavity automatic female screw demoulding mechanism according to claim 1, wherein the oil motor (5) is fixed on an oil motor fixing plate (11), and the oil motor fixing plate (11) is fixed on one side of an upper mould (18).

5. A multi-cavity automatic internal thread demoulding mechanism as claimed in claim 4, wherein a driving gear cover plate (10) is arranged above the driving gear (4), and the driving gear cover plate (10) is fixed on an oil motor fixing plate (11).

6. The multi-cavity automatic internal thread demoulding mechanism as claimed in claim 1, wherein a driven gear set cover plate (8) is arranged above the driven gear set, and the driven gear set cover plate (8) is fixed between the upper compound plate (1) and the upper mould (18).

7. A multi-cavity automatic female thread stripping mechanism as set forth in claim 1, wherein the lower end of the rotary core (14) contacts with a product ejector rod (25) during mold closing, and the lower end of the product ejector rod (25) is fixed on the ejector plate (20).

8. A multi-cavity automatic internal thread demoulding mechanism as claimed in claim 1, wherein the number of the product cavities is two, two pairs of sliding blocks (17) are arranged in the lower die (9), and the driven gear group is provided with two rows of driven gears (13) connected with a rotary core (14).

9. The multi-cavity automatic internal thread demoulding mechanism as claimed in claim 1, wherein the lower die (9) is arranged on the base plate (6), the base plate (6) is arranged above the die feet, the die feet (15) are fixed on the lower compound plate (7), the upper die (18) is arranged below the upper compound plate (1), four guide posts (22) are arranged on the upper compound plate (1), four guide sleeves (23) are correspondingly arranged on the base plate (6), the guide posts (22) penetrate through the driven gear set cover plate (8) and the upper die (18), the guide sleeves (23) penetrate through the lower die (9), the guide posts (22) are inserted into the guide sleeves (23), an ejector plate (20) is arranged on the lower compound plate (7), a reset rod (24) is arranged on the ejector plate (20), the reset rod (24) penetrates through holes on the lower die (9) and the base plate (6), the upper ends of the reset rod (24) are sleeved with springs, and the upper ends of the springs are connected with the ejector plate (20).

10. The multi-cavity automatic internal thread demoulding mechanism as claimed in claim 1, wherein guide rail blocks (21) are arranged at the front end and the rear end of the sliding block (17), the guide rail blocks (21) are fixed on the lower die (9), and two inclined guide rails are arranged on the guide rail blocks (21).