CN214920257U

CN214920257U - Piston mould

Info

Publication number: CN214920257U
Application number: CN202121207494.2U
Authority: CN
Inventors: 李安汶
Original assignee: Foshan Liuhong Precision Mould Co ltd
Current assignee: Foshan Liuhong Precision Mould Co ltd
Priority date: 2021-06-01
Filing date: 2021-06-01
Publication date: 2021-11-30
Anticipated expiration: 2031-06-01

Abstract

The utility model relates to a piston mold technical field discloses a piston mold, which comprises a fixing plate and i, the lower extreme rigid coupling of fixed plate has two backup pads, just the lower extreme rigid coupling of fixed plate has servo motor and gag lever post, servo motor's output shaft rigid coupling has reciprocal lead screw, the outer wall screw thread of reciprocal lead screw has cup jointed the nut piece, the outer wall sliding connection of gag lever post has the stopper. The utility model discloses an in pouring cold water into the cooling trough, make the liquid of moulding between last mould and the bed die can cool off the shaping fast, wait to mould and move away the mould behind the liquid shaping, open the valve under the bed die again and make the log raft in the cooling trough and discharge, improved the production efficiency of piston in the mould like this, the biax motor drives two axis of rotation and the bed die above-mentioned under belt driven effect and rotates, fall fashioned piston in the bed die, realize the convenient purpose of taking off of mould shaping like this.

Description

Piston mould

Technical Field

The utility model relates to a piston mold technical field specifically is a piston mold.

Background

The piston is a reciprocating part in the cylinder body of the automobile engine, and the piston mostly adopts a flat-top piston, so that the heat absorption area is small. However, at present, in the production process of the piston, the plastic liquid in the production mold is cooled and formed slowly, so that the production efficiency of the piston is influenced, and the piston is inconvenient to take down after being produced.

Accordingly, those skilled in the art have provided a piston mold to solve the problems set forth in the background above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a piston mold to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a piston mold, includes the fixed plate, the lower extreme rigid coupling of fixed plate has two backup pads, just the lower extreme rigid coupling of fixed plate has servo motor and gag lever post, servo motor's output shaft rigid coupling has reciprocal lead screw, the outer wall screw thread of reciprocal lead screw has cup jointed the nut piece, the outer wall sliding connection of gag lever post has the stopper, the nut piece with the rigid coupling has last mould between the stopper.

As a further aspect of the present invention: the upper end rigid coupling of fixed plate has double-shaft motor, double-shaft motor's both ends output shaft rotates to be connected in the bearing frame, two the bearing frame rigid coupling is in the upper end of fixed plate through double-shaft motor's setting for two axis of rotation synchronous rotations at the back.

As a further aspect of the present invention: the utility model discloses a die, including two motors, first belt pulley, second belt pulley, lower mould, biax motor, lower mould, the both ends output shaft rigid coupling of biax motor has first belt pulley, first belt pulley is connected with the second belt pulley through belt drive, one side rigid coupling of second belt pulley has the axis of rotation, two the rigid coupling has the lower mould between the axis of rotation, and biax motor drives two axis of rotation and the upper mold down under driven effect and rotates, falls down fashioned piston in the lower mould, realizes the convenient purpose of taking off of mould shaping like this.

As a further aspect of the present invention: a cooling water tank is arranged in the lower die, a die tank is arranged in the middle of the lower die, and cold water is poured into the cooling water tank, so that plastic liquid between the upper die and the lower die can be rapidly cooled and formed.

As a further aspect of the present invention: and an injection molding hole is formed in the upper end of the upper mold, and plastic liquid is poured into the lower mold from the injection molding hole to form the required shape.

As a further aspect of the present invention: the valve is installed to the lower extreme of bed die, and the valve under the bed die makes the water in the cooling trough discharge, has improved the production efficiency of piston in the mould like this.

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

1. cold water is poured into the cooling water tank, so that the plastic liquid between the upper die and the lower die can be rapidly cooled and formed, the upper die is moved after the plastic liquid is formed, and then a valve at the bottom of the lower die is opened to discharge the water in the cooling water tank, so that the production efficiency of the piston in the die is improved;

2. the double-shaft motor drives the two rotating shafts and the upper lower die to rotate under the action of transmission, and the formed piston in the lower die is poured down, so that the purpose of conveniently taking down the formed die is realized.

Drawings

FIG. 1 is a schematic sectional front view of a piston mold;

FIG. 2 is a schematic perspective view of a lower mold of a piston mold;

fig. 3 is a schematic sectional view of a lower die in a piston die.

In the figure: 1. a fixing plate; 2. a support plate; 3. a servo motor; 4. a limiting rod; 5. a reciprocating screw rod; 6. a nut block; 7. a limiting block; 8. an upper die; 9. a double-shaft motor; 10. a bearing seat; 11. a first pulley; 12. a second pulley; 13. a rotating shaft; 14. a lower die; 15. a cooling water tank; 16. a mold slot; 17. injection molding holes; 18. and (4) a valve.

Detailed Description

Referring to fig. 1 to 3, in an embodiment of the present invention, a piston mold includes a fixing plate 1, two supporting plates 2 are fixedly connected to a lower end of the fixing plate 1, a dual-axis motor 9 is fixedly connected to an upper end of the fixing plate 1, output shafts at two ends of the dual-axis motor 9 are rotatably connected to a bearing seat 10, output shafts at two ends of the dual-axis motor 9 are fixedly connected to a first belt pulley 11, the first belt pulley 11 is connected to a second belt pulley 12 through a belt transmission, a rotating shaft 13 is fixedly connected to one side of the second belt pulley 12, and a lower mold 14 is fixedly connected between the two rotating shafts 13 (see fig. 1); the double-shaft motor 9 drives the two rotating shafts 13 and the upper lower die 14 to rotate under the action of transmission, and the formed piston in the lower die 14 is poured down, so that the purpose of conveniently taking down the formed die is realized.

A cooling water tank 15 is arranged in the lower die 14, and a die groove 16 (see fig. 3) is arranged in the middle of the lower die 14; cold water is poured into the cooling water tank 15, so that the molding liquid between the upper mold 8 and the lower mold 14 can be rapidly cooled and molded.

The lower end of the lower die 14 is provided with a valve 18 (see fig. 1); the valve 18 under the lower mold 14 allows the water in the cooling water tank 15 to be drained, which improves the productivity of the piston in the mold.

Two bearing blocks 10 are fixedly connected to the upper end of the fixed plate 1 (see fig. 1); the two rear rotating shafts 13 are synchronously rotated by the arrangement of the double-shaft motor 9.

And the lower extreme rigid coupling of fixed plate 1 has servo motor 3 and gag lever post 4, and servo motor 3's output shaft rigid coupling has reciprocal lead screw 5, and the outer wall screw thread of reciprocal lead screw 5 has cup jointed nut piece 6, and the outer wall sliding connection of gag lever post 4 has stopper 7, and the rigid coupling has last mould 8 between nut piece 6 and the stopper 7.

The upper end of the upper die 8 is provided with an injection molding hole 17 (see figure 2); the molding liquid is poured from the injection hole 17 into the lower mold 14, thereby forming a desired shape.

The utility model discloses a theory of operation is: firstly, a servo motor 3 is started, an output shaft of the servo motor 3 drives a reciprocating screw rod 5 to rotate, under the limiting action of a limiting rod 4, a nut block 6 and an upper die 8 on the nut block move downwards until the lower end of the upper die 8 is attached to the upper end of the innermost ring of a lower die 14, plastic liquid is poured into the lower die 14 from an injection molding hole 17, and then cold water is poured into a cooling water tank 15, so that the plastic liquid between the upper die 8 and the lower die 14 can be rapidly cooled and formed; after the plastic liquid is molded, the upper mold 8 is moved away, the valve 18 at the bottom of the lower mold 14 is opened to discharge water in the cooling water tank 15, the double-shaft motor 9 is opened, the output shaft of the double-shaft motor 9 drives the two first belt pulleys 11 to rotate, under the transmission action of the belt, the two rotating shafts 13 and the upper lower mold 14 are driven to rotate, the molded piston in the lower mold 14 is poured, and the purpose of convenient pouring of the mold during molding is achieved.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a piston mold, includes fixed plate (1), its characterized in that, the lower extreme rigid coupling of fixed plate (1) has two backup pads (2), just the lower extreme rigid coupling of fixed plate (1) has servo motor (3) and gag lever post (4), the output shaft rigid coupling of servo motor (3) has reciprocal lead screw (5), nut piece (6) have been cup jointed to the outer wall screw thread of reciprocal lead screw (5), the outer wall sliding connection of gag lever post (4) has stopper (7), nut piece (6) with the rigid coupling has last mould (8) between stopper (7).

2. The piston mold according to claim 1, characterized in that a double-shaft motor (9) is fixedly connected to the upper end of the fixing plate (1), output shafts at two ends of the double-shaft motor (9) are rotatably connected to bearing seats (10), and the two bearing seats (10) are fixedly connected to the upper end of the fixing plate (1).

3. A piston mold according to claim 2, characterized in that the output shafts of the two ends of the double-shaft motor (9) are fixedly connected with a first belt pulley (11), the first belt pulley (11) is connected with a second belt pulley (12) through a belt transmission, one side of the second belt pulley (12) is fixedly connected with a rotating shaft (13), and a lower mold (14) is fixedly connected between the two rotating shafts (13).

4. A piston mould according to claim 3, characterized in that a cooling water tank (15) is arranged in the lower mould (14), and a mould groove (16) is arranged in the middle of the lower mould (14).

5. A piston mould according to claim 1, characterized in that the upper mould (8) is provided with injection holes (17) at its upper end.

6. A piston mould according to claim 3, characterized in that the lower end of the lower mould (14) is fitted with a valve (18).