CN218063523U

CN218063523U - Non-return feeding valve for injection molding machine

Info

Publication number: CN218063523U
Application number: CN202121803974.5U
Authority: CN
Inventors: 康学胜; 蔡小花; 何云
Original assignee: Hunan Deshengkang Technology Co ltd
Current assignee: Hunan Deshengkang Technology Co ltd
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2022-12-16
Anticipated expiration: 2031-08-04

Abstract

The utility model discloses a non return feeding valve for injection molding machine, including the check valve body, the check valve body includes first valve casing and second valve casing, first valve casing top and bottom fixedly connected with pan feeding pipe and discharging pipe respectively, pan feeding socle end is located inside the first valve casing, pan feeding socle end one side is equipped with the connecting seat, the connecting seat rotates and is connected with the valve gap, first semicircle recess and second semicircle recess have been seted up respectively to second valve casing top and bottom. The utility model discloses in, be provided with the check valve body, and the check valve body comprises detached first valve casing and second valve casing, and first valve casing and second valve casing dock through connecting plate, bolt and nut, when the more plastics of adhesion on the check valve body inside wall and influence switch on the effect, can dismantle the second valve casing from first valve casing fast, are convenient for clear up check valve body inside, and this non return pan feeding valve structure is simpler, and it is more convenient to operate.

Description

Non-return feeding valve for injection molding machine

Technical Field

The utility model relates to an injection molding machine part technical field especially relates to a non return feeding valve for injection molding machine.

Background

An injection moulding machine, also known as an injection moulding machine or an injection machine, is called a beer machine in many factories, and an injection moulding product is called a beer piece, and is main moulding equipment for manufacturing thermoplastic plastics or thermosetting plastics into plastic products with various shapes by using a plastic moulding mould.

In general, a non-return feeding valve is required to be arranged at a feeding port of an injection molding machine, so that plastic slurry can be prevented from flowing back. But current non return feeding valve structure is complicated relatively, and inner space is less, long-term the back of using, and inside plastics are because of melting the cooling back, easy adhesion on non return feeding valve inside wall, and these non return feeding valves are not quick detachable, and inconvenient clear up inside remaining plastics, consequently the utility model provides a non return feeding valve for injection molding machine.

Disclosure of Invention

The utility model aims at solving the defects existing in the prior art and providing a non-return feeding valve for an injection molding machine.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a non return feeding valve for injection molding machine, includes the check valve body, the check valve body includes first valve casing and second valve casing, first valve casing top and bottom difference fixedly connected with pan feeding pipe and discharging pipe, pan feeding socle end is located inside the first valve casing, pan feeding socle end one side is equipped with the connecting seat, the connecting seat rotates and is connected with the valve gap, first semicircle recess and second semicircle recess have been seted up respectively to second valve casing top and bottom, first semicircle recess and second semicircle recess laminate with the surface of pan feeding pipe and discharging pipe respectively.

Further, the equal fixedly connected with flange of one end that first valve casing was kept away from to pan feeding pipe and discharging pipe, a plurality of mounting holes have been seted up in the flange outside.

Further, first valve casing inside wall fixedly connected with soft spring, the one end and the valve gap lower surface fixed connection that first valve casing inside wall was kept away from to soft spring.

Furthermore, the equal fixedly connected with annular cardboard of first semicircular groove and second semicircular groove inside wall, material inlet pipe and discharging pipe lateral wall all keep away from one side of first valve casing and have all seted up ring groove, ring cardboard and ring groove block.

Furthermore, one side of the second valve casing close to the first valve casing is provided with a side clamping plate, one side of the first valve casing close to the second valve casing is provided with a side clamping groove, and the side clamping plate is clamped with the side clamping groove.

Furthermore, first valve casing and the adjacent side of second valve casing all are equipped with a plurality of connecting plates, and are a plurality of the bolt is worn to be equipped with in the middle part of the connecting plate, bolt surface cover has the nut.

The utility model has the advantages that:

the utility model discloses when using, through setting up the check valve body, the pan feeding pipe, the discharging pipe, and the check valve body comprises detached first valve casing and second valve casing, first valve casing and second valve casing pass through the connecting plate, the bolt and nut dock, when the more plastics of adhesion on the check valve body inside wall and the influence switches on the effect, can dismantle the second valve casing from first valve casing fast, be convenient for clear up check valve body inside, and this non return feeding valve, the structure is simpler, it is also more convenient to operate.

Drawings

Fig. 1 is a perspective exploded view of the present invention;

FIG. 2 is a main sectional view of the present invention;

fig. 3 is a sectional view of the present invention.

Illustration of the drawings:

1. a check valve body; 2. a first valve housing; 3. a second valve housing; 4. a feeding pipe; 5. a discharge pipe; 6. a connecting flange; 7. mounting holes; 8. a connecting seat; 9. a valve cover; 10. a soft spring; 11. a first semicircular groove; 12. a second semicircular groove; 13. an annular clamping plate; 14. an annular clamp groove; 15. a side clamping plate; 16. a side card slot; 17. a connecting plate; 18. a bolt; 19. and a nut.

Detailed Description

Fig. 1 to 3 show, relate to a non return feeding valve for injection molding machine, including check valve body 1, check valve body 1 includes first valve casing 2 and

second valve casing

3, 2 tops of first valve casing and bottom difference fixedly connected with pan feeding pipe 4 and discharging pipe 5, pan feeding pipe 4 bottom is located inside first valve casing 2, pan feeding pipe 4 bottom one side is equipped with connecting seat 8, connecting seat 8 rotates and is connected with valve gap 9, first semicircle recess 11 and second semicircle recess 12 have been seted up respectively to 3 tops of second valve casing and bottom, first semicircle recess 11 and second semicircle recess 12 laminate with the surface of pan feeding pipe 4 and discharging pipe 5 respectively.

When using non return feeding valve for the injection molding machine, when the plastics material entered from pan feeding pipe 4, can dash down valve gap 9, then discharge from discharging pipe 5, when the inside plastics of injection molding machine appeared the backward flow, plastics will follow discharging pipe 5 and upwards flow backward to strike valve gap 9 and upwards plug up pan feeding pipe 4 bottom, prevent the plastics backward flow from this. When this check valve body 1 inside wall influences the non return effect because of the more plastics of adhesion, can directly take off second valve casing 3 from first valve casing 2 through twisting bolt 18 and nut 19, and then can clear up this check valve body 1 is inside, guarantee this check valve body 1's non return effect.

In the further scheme, pan feeding pipe 4 and discharging pipe 5 keep away from the equal fixedly connected with flange 6 of one end of first valve casing 2, and a plurality of mounting holes 7 have been seted up to the flange 6 outside, are convenient for install this check valve body 1 on the injection molding machine through flange 6.

In the further scheme, 2 inside wall fixedly connected with soft springs 10 of first valve casing, soft springs 10 keep away from the one end and the valve gap 9 lower fixed surface connection of 2 inside walls of first valve casing for valve gap 9 is in half-open state all the time, is convenient for open or close under the impact of plastics thick liquid.

In the further scheme, the equal fixedly connected with annular cardboard 13 of first semicircular groove 11 and the 12 inside walls of second semicircular groove, annular clamping groove 14 has all been seted up to the one side that first valve casing 2 was all kept away from to

pan feeding pipe

4 and 5 outside walls of discharging pipe, and annular cardboard 13 and annular clamping groove 14 block can increase the leakproofness of second valve casing 3 and

pan feeding pipe

4 and 5 junctions of discharging pipe.

In the further scheme, one side that second valve casing 3 is close to first valve casing 2 is equipped with side cardboard 15, and first valve casing 2 has seted up side draw-in groove 16 near one side of second valve casing 3, and side cardboard 15 and side draw-in groove 16 block can increase the leakproofness of first valve casing 2 and the junction of second valve casing 3.

In the further scheme, first valve casing 2 and the adjacent side of second valve casing 3 all are equipped with a plurality of connecting plates 17, and bolt 18 is worn to be equipped with in the middle part of a plurality of connecting

plates

17, and 18 surface covers on the bolt have nut 19, are convenient for be in the same place first valve casing 2 and second valve casing 3 fixed connection through bolt 18 and nut 19.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a non return feeding valve for injection molding machine, includes check valve body (1), its characterized in that: check valve body (1) includes first valve casing (2) and second valve casing (3), first valve casing (2) top and bottom are fixedly connected with pan feeding pipe (4) and discharging pipe (5) respectively, pan feeding pipe (4) bottom is located inside first valve casing (2), pan feeding pipe (4) bottom one side is equipped with connecting seat (8), connecting seat (8) are rotated and are connected with valve gap (9), first semicircle recess (11) and second semicircle recess (12) have been seted up respectively to second valve casing (3) top and bottom, first semicircle recess (11) and second semicircle recess (12) laminate with the surface of pan feeding pipe (4) and discharging pipe (5) respectively.

2. The check inlet valve for injection molding machines of claim 1, wherein: the equal fixedly connected with flange (6) of one end that first valve casing (2) were kept away from in pan feeding pipe (4) and discharging pipe (5), a plurality of mounting holes (7) have been seted up in flange (6) outside.

3. The check inlet valve for an injection molding machine according to claim 1, wherein: first valve casing (2) inside wall fixedly connected with soft spring (10), the one end and valve gap (9) lower fixed surface are connected of first valve casing (2) inside wall are kept away from in soft spring (10).

4. The check inlet valve for injection molding machines of claim 1, wherein: first semicircle recess (11) and the equal fixedly connected with annular cardboard (13) of second semicircle recess (12) inside wall, annular clamping groove (14) have all been seted up to one side that first valve casing (2) were all kept away from to pan feeding pipe (4) and discharging pipe (5) lateral wall, annular cardboard (13) and annular clamping groove (14) block.

5. The check inlet valve for injection molding machines of claim 1, wherein: one side that second valve casing (3) are close to first valve casing (2) is equipped with side cardboard (15), side draw-in groove (16) have been seted up to one side that first valve casing (2) are close to second valve casing (3), side cardboard (15) and side draw-in groove (16) block.

6. The check inlet valve for injection molding machines of claim 1, wherein: first valve casing (2) and second valve casing (3) adjacent side all are equipped with a plurality of connecting plates (17), and are a plurality of bolt (18) are worn to be equipped with in connecting plate (17) middle part, bolt (18) surface cover has nut (19).