CN212168931U

CN212168931U - Piston cast aluminum production device

Info

Publication number: CN212168931U
Application number: CN202020879688.6U
Authority: CN
Inventors: 王艳利
Original assignee: Jiangsu Baian Technology Co ltd
Current assignee: Jiangsu Baian Technology Co ltd
Priority date: 2020-05-23
Filing date: 2020-05-23
Publication date: 2020-12-18
Anticipated expiration: 2030-05-23

Abstract

The utility model discloses a piston cast aluminium apparatus for producing, it includes: platform, piston shaping die block, pinhole shaping inserted bar, clamp jar, flexible drive arrangement and rack, pinhole shaping inserted bar transversely sets up in the bearing frame and the front end extends to the piston shaping die block in, pinhole shaping inserted bar tail end is provided with the disc, be provided with the push-and-pull rod of directional disc in the axle sleeve, the push-and-pull rod front end is provided with the fixed block with disc swing joint, the push-and-pull rod tail end is provided with the first push pedal that extends to and presss from both sides jar tip the place ahead, be provided with one section tooth's socket on the pinhole shaping inserted bar excircle, the rack sets up in the top of pinhole shaping inserted bar or below and meshes mutually with the tooth's socket, flexible drive arrangement's tip is provided with the second push pedal that is connected with rack one. Piston cast aluminium apparatus for producing, can reduce the cohesion of pinhole shaping inserted bar and piston blank, conveniently take out from, be favorable to the drawing of patterns after the piston blank cooling solidification.

Description

Piston cast aluminum production device

Technical Field

The utility model relates to a piston production technical field especially relates to a piston cast aluminium apparatus for producing.

Background

The piston is used for bearing gas pressure in an automobile engine, a connecting rod is driven by a piston pin to drive a crankshaft to rotate, and the top of the piston is also a component of a combustion chamber and occupies an extremely important position when the engine runs.

In order to reduce the dead weight and energy consumption, most of the existing gasoline engine pistons adopt aluminum alloy structures, and cast aluminum is produced through a mold. In order to reduce the processing cost of the pin hole, the piston pin hole can be preformed during the cast aluminum forming process and then subjected to finish machining. The preforming of piston pin hole needs to insert pinhole shaping inserted bar in the mould, has influenced drawing of patterns convenience, need take out pinhole shaping inserted bar before the drawing of patterns, and the cohesion with pinhole shaping inserted bar is great when the piston cooling hardens for pinhole shaping inserted bar is difficult to easily take out, and the draft that needs is great, perhaps takes out the damage that leads to piston blank from the in-process, needs to improve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a piston cast aluminium apparatus for producing promotes the effect and the drawing of patterns convenience of piston pin hole preforming.

To achieve the purpose, the utility model adopts the following technical proposal:

the piston cast aluminum production apparatus shown in fig. 1 includes: platform, piston shaping die block, pinhole shaping inserted bar, clamp jar, flexible drive arrangement and rack, the piston shaping die block sets up on the platform, be provided with the bearing frame that is located the piston shaping die block left and right sides on platform 1, pinhole shaping inserted bar transversely sets up in the bearing frame and the front end extends to in the piston shaping die block, press from both sides jar and flexible drive arrangement setting on the platform and lie in piston shaping die block front and back both sides, pinhole shaping inserted bar tail end is provided with the disc, be provided with the axle sleeve that lies in the disc rear on the platform, be provided with the push-and-pull rod of directional disc in the axle sleeve, the push-and-pull rod front end is provided with the fixed block with disc swing joint, the push-and-pull rod tail end is provided with the first push pedal that extends to clamp jar tip the place ahead, the both ends of clamp jar are provided with the actuating lever, the pin hole forming device is characterized in that a section of tooth groove is formed in the outer circle of the pin hole forming insertion rod, the rack is arranged above or below the pin hole forming insertion rod and meshed with the tooth groove, and a second push plate connected with one end of the rack is arranged at the end of the telescopic driving device.

Wherein, the telescopic driving device is a cylinder.

The piston forming die block is provided with a forming cavity, the forming cavity is provided with a die core, and the die core is provided with a jack corresponding to the pin hole forming inserted rod.

The front face of the fixed block is provided with a T-shaped groove corresponding to the disc, and the disc is arranged in the T-shaped groove.

The platform is provided with fixing seats located on two sides of the first push plate, and a guide rod penetrating through the first push plate is arranged between the two fixing seats.

The edge of the platform is provided with a baffle plate positioned at the tail part of the telescopic driving device, and the baffle plate is connected with the tail part of the telescopic driving device by screws.

The utility model has the advantages that: the utility model provides a piston cast aluminium apparatus for producing, piston cast aluminium production refrigerated in-process can carry out the intermittent type nature back-and-forth movement of second push pedal through flexible drive arrangement, drives the back-and-forth movement of rack, realizes the intermittent type nature gyration of pinhole shaping inserted bar, reduces the cohesion with the piston blank, makes things convenient for pinhole shaping inserted bar to take out fast under the effect of pressing from both sides the jar and separates, is favorable to the drawing of patterns after the piston blank cooling solidification.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

The technical solution of the present invention is further explained by the specific embodiment with reference to fig. 1.

The piston cast aluminum production apparatus shown in fig. 1 includes: platform 1, piston shaping die block 14, pinhole shaping inserted bar 18, clamp jar 2, flexible drive arrangement 15 and rack 13, piston shaping die block 14 sets up on platform 1, and the screw is passed through to platform 1 bottom and is carried out piston shaping die block 14 fixed, sound construction.

Be provided with the bearing frame 3 that is located the 14 left and right sides of piston shaping die block on the platform 1, pinhole shaping inserted bar 18 transversely sets up in bearing frame 3 and in the front end extends to piston shaping die block 14, in this embodiment, is provided with the shaping cavity in the piston shaping die block 14, be provided with mold core 8 in the shaping cavity for piston blank's cast aluminium shaping, be provided with the jack that corresponds with pinhole shaping inserted bar 18 in the mold core 8, before the pouring aluminium liquid, pinhole shaping inserted bar 18 inserts the jack, is favorable to the preforming of pinhole after the pouring.

In order to facilitate axial driving of the pin hole forming insertion rod 18, a disc 5 is welded at the tail end of the pin hole forming insertion rod 18, a shaft sleeve 11 located behind the disc 5 is arranged on the platform 1, a push-pull rod 12 pointing to the disc 5 is arranged in the shaft sleeve 11, a fixed block 6 movably connected with the disc 5 is arranged at the front end of the push-pull rod 12, in the embodiment, a T-shaped groove corresponding to the disc 5 is formed in the front of the fixed block 6, the disc 5 is arranged in the T-shaped groove, rotation of the disc 5 along with the pin hole forming insertion rod 18 is not affected, and axial driving of the pin hole forming insertion rod 18 can be performed through the fixed block 6.

Press from both sides jar 2 and flexible drive arrangement 15 setting both sides around being located piston shaping die block 14 on the platform, 1 edge weld of platform is provided with the baffle 16 that is located flexible drive arrangement 15 afterbody, baffle 16 adopts the screw with flexible drive arrangement 15 afterbody to be connected, is favorable to flexible drive arrangement 15 fixed. In this embodiment, the telescopic driving device 15 is an air cylinder, and can be controlled by an electromagnetic valve to be telescopic, so that the operation is flexible.

The tail end of the push-pull rod 12 is provided with a first push plate 10 extending to the front of the end part of the clamping cylinder 2, two ends of the clamping cylinder 2 are respectively provided with a driving rod 9 vertically connected with the first push plate 10, the clamping cylinder 2 is driven by the first push plates 10 on two sides simultaneously, synchronous insertion and extraction of the pin hole forming inserted rods 18 on two sides are achieved, and action synchronism is good. Be provided with the fixing base 4 that is located first push pedal 10 both sides on the platform 1, be provided with guide bar 7 that runs through first push pedal 10 between two fixing bases, promote the stationarity about removing of first push pedal 10.

The outer circle of the pin hole forming inserted rod 18 is provided with a section of tooth groove, the rack 13 is arranged above or below the pin hole forming inserted rod 18 and meshed with the tooth groove, the end part of the telescopic driving device 15 is provided with a second push plate 17 connected with one end of the rack 13, the second push plate 17 intermittently moves back and forth through the telescopic driving device 15, the two racks 13 are synchronously pushed and pulled, intermittent rotation of the two pin hole forming inserted rods 18 is achieved, the binding force of the pin hole forming inserted rods 18 and a piston blank is reduced, the pin hole forming inserted rods 18 can be conveniently and rapidly pulled away under the action of the clamping cylinder 2, demolding after the piston blank is cooled and solidified is facilitated, and the problem of blank damage is reduced.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. A piston cast aluminum apparatus for producing, comprising: platform, piston shaping die block, pinhole shaping inserted bar, clamp jar, flexible drive arrangement and rack, the piston shaping die block sets up on the platform, be provided with the bearing frame that is located the piston shaping die block left and right sides on the platform, pinhole shaping inserted bar transversely sets up in the bearing frame and the front end extends to in the piston shaping die block, press from both sides jar and flexible drive arrangement setting on the platform and be located piston shaping die block front and back both sides, pinhole shaping inserted bar tail end is provided with the disc, be provided with the axle sleeve that is located the disc rear on the platform, be provided with the push-and-pull rod of directional disc in the axle sleeve, the push-and-pull rod front end is provided with the fixed block with disc swing joint, the push-and-pull rod tail end is provided with the first push pedal that extends to clamp jar tip the place ahead, the both ends of pressing from both sides the jar are provided with the actuating lever of being connected with first push, the rack is arranged above or below the pin hole forming inserted bar and meshed with the tooth groove, and a second push plate connected with one end of the rack is arranged at the end part of the telescopic driving device.

2. A piston cast aluminium production apparatus as claimed in claim 1, wherein the telescopic drive means is a cylinder.

3. The piston cast aluminum production device according to claim 1, wherein a forming cavity is arranged in the piston forming bottom die, a die core is arranged in the forming cavity, and a jack corresponding to the pin hole forming inserted rod is arranged in the die core.

4. The piston cast aluminum production device as claimed in claim 1, wherein the fixing block is provided at a front surface thereof with a T-shaped groove corresponding to a disc, the disc being disposed in the T-shaped groove.

5. The piston cast aluminum production device according to claim 1, wherein the platform is provided with fixing seats at two sides of the first push plate, and a guide rod penetrating through the first push plate is arranged between the two fixing seats.

6. The piston cast aluminum production device as claimed in claim 1, wherein the platform edge is provided with a baffle plate at the tail part of the telescopic driving device, and the baffle plate is connected with the tail part of the telescopic driving device by using a screw.