CN215434754U

CN215434754U - Spline extrusion forming device

Info

Publication number: CN215434754U
Application number: CN202121217119.6U
Authority: CN
Inventors: 李雷; 孟庆玲
Original assignee: Anhui Dongchuang Electromechanical Technology Co ltd
Current assignee: Anhui Dongchuang Electromechanical Technology Co ltd
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2022-01-07
Anticipated expiration: 2031-06-02

Abstract

The utility model provides a spline extrusion molding device, which comprises an upper top plate, a fixed base, an upper template and a lower template, wherein the positions of two sides of the upper top plate and the fixed base are connected through hydraulic cylinders; an upper positioning plate is arranged below the upper template, a die cavity is formed in the middle of the top of the lower template, and a spline die is detachably fixed in the die cavity. According to the utility model, the spline die is detachably connected in the die cavity by using the bolt, then the injection liquid is injected into the spline die and is extruded by the inner molding rod, so that the spline body can be molded, the inner extrusion rod is continuously driven to ascend, and the outer ejection barrel can be driven to eject the spline body.

Description

Spline extrusion forming device

Technical Field

The utility model relates to the field of spline machining, in particular to a spline extrusion forming device.

Background

The spline coupling consists of an internal spline and an external spline. The inner spline and the outer spline are both multi-tooth parts, the spline on the inner cylindrical surface is an inner spline, and the spline on the outer cylindrical surface is an outer spline. Obviously, a spline coupling is a development in the number of flat key couplings. The utility model designs a forming device for processing an internal spline.

However, the existing forming device for the internal spline has some defects in use, the existing forming device for the internal spline generally has the defects of complex structure and inconvenient operation, and the flexibility is low because one mould supports and forms the spline with one size.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a spline extrusion forming device to solve the technical problem.

In order to solve the technical problems, the utility model adopts the following technical scheme: a spline extrusion molding device comprises an upper top plate, a fixed base, an upper template and a lower template, wherein the positions of two sides of the upper top plate and the fixed base are connected through hydraulic cylinders, the upper template is arranged below the upper top plate, and the lower template is arranged above the fixed base; an upper positioning plate is arranged below the upper template, a die cavity is formed in the middle of the top of the lower template, a spline die is detachably fixed in the die cavity, an ejection mechanism is arranged in the lower template and right below the spline die, and a hydraulic telescopic rod is connected below the ejection mechanism;

the ejection mechanism comprises an inner molding rod and an outer ejection barrel, the inner molding rod is connected inside the outer ejection barrel in a sliding mode, the bottom of the inner molding rod is connected with a hydraulic telescopic rod, and a convex block is further arranged at the lower position of the hydraulic telescopic rod and can drive the outer ejection barrel to move upwards: .

Preferably, the section of the spline mold is of a T-shaped structure, a through hole is formed in the spline mold, a plurality of threaded holes are formed in the upper portion of the spline mold at equal intervals and are connected to the lower template through threaded holes in a threaded mode through screws, and a second liquid level sensor is further arranged on the surface wall of the spline mold.

Preferably, a pouring liquid box is arranged inside the upper template, wherein the bottom of the pouring liquid box is communicated with a pouring pipe, and the pouring pipe penetrates through the upper positioning plate and extends to the die cavity.

Preferably, a first liquid level sensor is arranged in the pouring liquid tank, and an electromagnetic valve is arranged in the pouring pipe.

Preferably, the two sides of the bottom of the upper positioning plate are both provided with positioning blocks, the two sides of the top of the lower template are positioned under the two positioning blocks and provided with positioning grooves, and damping springs are arranged in the positioning grooves.

Preferably, a spline body is extruded in the die cavity in an extrusion mode, and the outer surface wall of the inner molding rod is provided with clamping teeth which are the same as those in the spline body.

Compared with the related art, the spline extrusion forming device provided by the utility model has the following beneficial effects:

the utility model provides a spline extrusion forming device, which comprises a spline die detachably connected with a bolt in a die cavity, an injection liquid is injected into the spline die, an inner forming rod extrudes the spline die to form a spline body, the inner extruding rod is continuously driven to ascend to drive an outer ejection barrel to eject the spline body.

Drawings

FIG. 1 is a schematic structural view of a spline extrusion molding apparatus according to the present invention;

FIG. 2 is a schematic perspective view of the spline mold of the present invention;

FIG. 3 is a schematic perspective view of the ejection mechanism of the present invention;

FIG. 4 is a schematic perspective view of the spline body of the present invention;

reference numerals: 1. an upper top plate; 2. mounting a template; 3. pouring a liquid tank; 4. a first liquid level sensor; 5. a pouring tube; 6. an upper positioning plate; 7. positioning blocks; 8. a damping spring; 9. a hydraulic cylinder; 10. a lower template; 11. a fixed base; 12. a hydraulic telescopic rod; 13. an ejection mechanism; 131. an inner molding rod; 132. externally ejecting out the barrel; 14. a die cavity; 15. a spline die; 151. a threaded hole; 152. a second liquid level sensor; 16. a spline body.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the utility model easily understood, the utility model is further described below with reference to the specific embodiments and the attached drawings, but the following embodiments are only the preferred embodiments of the utility model, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.

Specific embodiments of the present invention are described below with reference to the accompanying drawings.

In a specific implementation process, as shown in fig. 1 and 3, the spline extrusion molding device comprises an upper top plate 1, a fixed base 11, an upper template 2 and a lower template 10, wherein the two sides of the upper top plate 1 and the fixed base 11 are connected through hydraulic cylinders 9, the upper template 2 is arranged below the upper top plate 1, the lower template 10 is arranged above the fixed base 11, an upper positioning plate 6 is arranged below the upper template 2, a die cavity 14 is arranged in the middle of the top of the lower template 10, a spline die 15 is detachably fixed in the die cavity 14, an ejection mechanism 13 is arranged in the lower template 10 and is positioned right below the spline die 15, and a hydraulic telescopic rod 12 is connected below the ejection mechanism 13; the ejection mechanism 13 comprises an inner molding rod 131 and an outer ejection cylinder 132, the inner molding rod 131 is slidably connected inside the outer ejection cylinder 132, the bottom of the inner molding rod 131 is connected with the hydraulic telescopic rod 12, and a projection is further arranged at a lower position of the hydraulic telescopic rod 12 to drive the outer ejection cylinder 132 to move upwards; the outer diameters of the inner forming rod 131 and the outer ejection cylinder 132 are smaller than the inner diameter of the spline mold 15, and the outer ejection cylinder 132 can eject the formed spline body 16.

When the spline die is used, firstly, the spline die 15 is installed on the lower die plate 10 through the threaded rod, then the hydraulic cylinder 9 drives the upper die plate 2 to move downwards, the upper die plate 2 and the upper positioning plate 6 can be driven to move downwards simultaneously until the upper positioning plate 6 is closely contacted with the lower die plate 10, then injection molding liquid is injected into the die cavity 14, then the hydraulic telescopic rod 12 drives the inner molding rod 131 to move upwards in the outer ejection cylinder 132, so that the injection molding liquid in the die cavity 14 is subjected to extrusion molding through the inner molding rod 131, then the cooling molding is carried out, finally, the spline body 16 is formed (as shown in figure 4), then the hydraulic telescopic rod 12 continues to drive the inner molding rod 131 to move upwards, and at the moment, the convex block on the hydraulic telescopic rod 12 can extrude the spline body 16, and accordingly, the spline body 16 is ejected.

In the specific implementation process, as shown in fig. 1 and fig. 2, the cross-sectional section of the spline mold 15 is a T-shaped structure, a through hole is formed in the spline mold 15, a plurality of threaded holes 151 are equidistantly formed above the spline mold 15, the threaded holes 151 are connected to the lower template 10 in a threaded manner through screws, and a second liquid level sensor 152 is further arranged on the surface wall of the spline mold 15.

In the specific implementation process, as shown in fig. 1, a casting liquid tank 3 is arranged inside an upper template 2, wherein the bottom of the casting liquid tank 3 is communicated with a casting pipe 5, and the casting pipe 5 penetrates through an upper positioning plate 6 and extends to a mold cavity 14; a first liquid level sensor 4 is arranged in the pouring liquid box 3, and an electromagnetic valve is arranged in the pouring pipe 5.

When the injection molding machine is used, the second liquid level sensor 152 can monitor the liquid level of injection molding liquid in the spline mold 15 and send the monitored data to the control end in the control room, and when the injection molding liquid is insufficient, a user can remotely open the electromagnetic valve in the pouring pipe 5 to perform blanking; the first liquid level sensor 4 can detect the liquid level of the solution in the pouring liquid tank 3, the monitored data is sent to a control end in a control room, and when the solution is not enough, the material can be fed in time; in use, the solution in the casting tank 3 is poured into the cavity 14 through the casting pipe 5.

In the specific implementation process, as shown in fig. 1, positioning blocks 7 are arranged on both sides of the bottom of the upper positioning plate 6, positioning grooves are formed in both sides of the top of the lower template 10 and located right below the two positioning blocks 7, and damping springs 8 are arranged in the positioning grooves.

When the positioning device is used, when the upper positioning plate 6 moves downwards, the two positioning blocks 7 can be driven to move downwards, the two positioning blocks 7 can be just clamped into the positioning grooves in the lower template 10, positioning is achieved, and the damping spring 8 can play a damping effect.

In the specific implementation process, as shown in fig. 1 and 4, a spline body 16 is extruded and formed in the die cavity 14, and the outer wall of the inner forming rod 131 is provided with the same latch as the inside of the spline body 16.

When in use, the latch on the outer side of the inner forming rod 131 just corresponds to the latch inside the spline body 16, so that the forming of the spline body 16 is realized.

The implementation principle of the spline extrusion forming device provided by the utility model is as follows: firstly, the spline die 15 is installed on the lower die plate 10 through a threaded rod, then the upper die plate 2 is driven to move downwards through the hydraulic cylinder 9, the upper die plate 2 and the upper positioning plate 6 can be driven to move downwards simultaneously until the upper positioning plate 6 is closely contacted with the lower die plate 10, then injection molding liquid is injected into the die cavity 14, then the inner molding rod 131 is driven to move upwards in the outer ejection cylinder 132 through the hydraulic telescopic rod 12, so that the injection molding liquid in the die cavity 14 is extruded and formed through the inner molding rod 131, then cooling and forming are carried out, finally, a spline body 16 is formed (as shown in figure 4), then the hydraulic telescopic rod 12 continues to drive the inner molding rod 131 to move upwards, and at the moment, a lug on the hydraulic telescopic rod 12 can extrude the spline body 16, and the spline body 16 is ejected.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a spline extrusion device, includes top board (1), unable adjustment base (11), cope match-plate pattern (2) and lower bolster (10), wherein goes up the both sides position department of top board (1) and unable adjustment base (11) and all is connected through hydraulic cylinder (9), and cope match-plate pattern (2) establish the below at top board (1), and the top at unable adjustment base (11), its characterized in that are established in lower bolster (10):

an upper positioning plate (6) is arranged below the upper template (2), a die cavity (14) is formed in the middle position of the top of the lower template (10), a spline die (15) is detachably fixed in the die cavity (14), an ejection mechanism (13) is arranged inside the lower template (10) and right below the spline die (15), and a hydraulic telescopic rod (12) is connected below the ejection mechanism (13);

the ejection mechanism (13) comprises an inner molding rod (131) and an outer ejection cylinder (132), the inner molding rod (131) is connected inside the outer ejection cylinder (132) in a sliding mode, the bottom of the inner molding rod (131) is connected with the hydraulic telescopic rod (12), and a convex block is further arranged at the lower position of the hydraulic telescopic rod (12) and can drive the outer ejection cylinder (132) to move upwards.

2. The spline extrusion molding apparatus as claimed in claim 1, wherein: the cross-sectional section of spline mould (15) is T type structure, and the through-hole has been seted up to the inside of spline mould (15), a plurality of screw holes (151) have been seted up to the top equidistance of spline mould (15) to run through screw hole (151) threaded connection to on lower bolster (10) through the screw rod, still be equipped with second liquid level sensor (152) on the table wall of spline mould (15).

3. The spline extrusion molding apparatus as claimed in claim 1, wherein: the inner part of the upper template (2) is provided with a pouring liquid box (3), wherein the bottom of the pouring liquid box (3) is communicated with a pouring pipe (5), and the pouring pipe (5) penetrates through the upper positioning plate (6) and extends to the die cavity (14).

4. A spline extrusion molding apparatus as claimed in claim 3, wherein: a first liquid level sensor (4) is arranged inside the pouring liquid box (3), and an electromagnetic valve is arranged inside the pouring pipe (5).

5. The spline extrusion molding apparatus as claimed in claim 1, wherein: the positioning blocks (7) are arranged on two sides of the bottom of the upper positioning plate (6), positioning grooves are formed in two sides of the top of the lower template (10) and located under the two positioning blocks (7), and damping springs (8) are arranged in the positioning grooves.

6. A spline extrusion molding apparatus according to any one of claims 1 to 5, wherein: the spline body (16) is formed in the die cavity (14) in an extrusion mode, and the outer surface wall of the inner forming rod (131) is provided with clamping teeth which are the same as those in the spline body (16).