CN215696997U - Special straightening machine for balance shaft - Google Patents

Abstract

The utility model discloses a special straightening machine for a balance shaft, which comprises an equipment supporting frame, wherein a button is arranged on one side of the equipment supporting frame, a controller and a valve body are arranged at the top of the equipment supporting frame, an air cylinder is arranged at the upper end of the equipment supporting frame, a piston of the air cylinder is in threaded connection with a straightening pressure rod, a flange plate is arranged on the air cylinder, a first air pressure gauge is arranged on the flange plate, a second air pressure gauge is arranged on the other side of the equipment supporting frame, the second air pressure gauge is connected with a connecting pipe fixedly connected on the equipment supporting frame, an air inlet valve is connected to the bottom of the connecting pipe, a tool platform is fixedly connected on the equipment supporting frame, and a shaft positioning tool is arranged on the tool platform. The utility model has simple structure and convenient operation, the probability of one-time successful bending and straightening can reach about 90 percent, the efficiency of the process production is improved, and the phenomena of side bending, collision or scrapping of the balance shaft forge piece and the like can not be caused in the straightening process.

Description

Special straightening machine for balance shaft

Technical Field

The utility model belongs to the field of straightening machines, and particularly relates to a special straightening machine for a balance shaft.

Background

The balance shaft is one of the important spare parts of vehicle, mainly plays and reduces engine shock, improves the effect of vehicle travelling comfort, nevertheless the balance shaft produces crooked phenomenon easily when forging production, needs repair the correction to the balance shaft according to the degree of crookedness size degree, therefore balance shaft production has set up balance shaft forging crookedness inspection process, after the crookedness is measured, the process of going to of qualified balance shaft direct circulation, unqualified balance shaft need carry out the crookedness and press the bending to restore.

The existing bending degree press bending repair is that the bending degree is manually knocked and straightened, an operator is required to measure a bending degree value firstly, then the balance shaft forging is held to knock the small end part in the opposite direction of bending on the iron plate, the probability of one-time successful manual straightening is very low and is only about 5%, so that the balance shaft forging needs to be repeatedly measured and knocked until the straightening is completed, but the method has the following problems in the straightening process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provides a special straightening machine for a balance shaft, the one-time success rate of the straightening machine can reach about 90 percent, the production efficiency of the working procedure is improved, and side bending, collision or scrapping of a forged piece of the balance shaft cannot be caused in the straightening process.

The technical scheme of the utility model is that,

the straightening machine special for the balance shaft comprises an equipment supporting frame, wherein a button is arranged on one side of the equipment supporting frame, a controller and a valve body are arranged at the top of the equipment supporting frame, the button is connected with the controller through a line, the controller is connected with the valve body through a line, the valve body is connected with a cylinder through a pipe, the cylinder is vertically arranged at the upper end of the equipment supporting frame, a piston of the cylinder is in threaded connection with a straightening pressure rod, a flange plate is arranged on the cylinder, a first barometer is arranged on the flange plate, the flange plate is connected with the valve body through a flange plate pipeline, the valve body is connected with one end of a second barometer through a pipe, the second barometer is arranged on the other side of the equipment supporting frame, the other end of the second barometer is connected with a connecting pipe fixedly connected on the equipment supporting frame through a pipe, and an air inlet valve is connected to the bottom of the connecting pipe, the air inlet valve is connected with an air source through a pipe, a tool platform is fixedly connected to the equipment support frame, and a shaft positioning tool is arranged on the tool platform.

The shaft positioning tool comprises a bottom plate, positioning blocks and a shaft rotating structure, a long round hole is processed in the bottom plate, the bottom plate is connected with a tool platform through a bolt for the long round hole, and the bottom plate is fixedly connected with the two positioning blocks and the shaft rotating structure in sequence.

The shaft rotating structure comprises a rotating disc and a fixed seat, a protruding shaft is arranged on one side of the rotating disc, a through hole A is formed in the rotating disc and the protruding shaft, the protruding shaft penetrates through a through hole B in the fixed seat and is connected with the fixed seat through a bolt, the rotating disc can be opposite to the fixed seat in a rotating mode, a blind hole is machined in one side, close to the rotating disc, of the through hole B, a jacking bead and a jacking spring are arranged in the blind hole, a groove corresponding to the blind hole is machined in the rotating disc, and the rotating disc enables the rotating disc to stop rotating through the mutual matching of the jacking bead and the groove.

Advantages and advantageous effects of the utility model

1. The bending straightening device is simple in structure and convenient to operate, and bending, pressing and straightening are carried out on the balance shaft through the straightening pressure rod, so that the phenomena of lateral bending, collision or scrapping caused by manual knocking on the balance shaft forge piece are avoided.

2. The utility model can apply different pressures according to different balance shaft settings through the controller, and has strong universality.

3. The straightening beat of the balance shaft forging is improved, the beat of 18S/piece of the original manual striking can be improved to 8.7S/piece of the original manual striking beat, the success rate of one-time straightening is improved to about 90 percent from about 5 percent, and the production efficiency of the working procedure is greatly improved.

4. According to the utility model, the shaft positioning tool is connected to the tool platform through the bolts, and when bending and straightening are required to be carried out on different balance shafts, only different shaft positioning tools need to be replaced, so that the replacement is convenient.

5. The direction of the balance shaft can be adjusted through the shaft positioning tool, so that the balance shaft is easy to bend and straighten up and down and left and right.

Drawings

FIG. 1 is a front view of the overall structure of the present invention;

fig. 2 is a rear view of the overall structure of the present invention.

Reference numerals: the device comprises a device supporting frame 1, a button 2, a controller 3, a valve body 4, an air cylinder 5, a straightening pressure rod 6, a flange plate 7, a first air pressure gauge 8, a second air pressure gauge 9, a connecting pipe 10, an air inlet valve 11, a tool platform 12, a shaft positioning tool 13, a bottom plate 13-1, a long round hole 13-2, a positioning block 13-3, a shaft rotating structure 13-4, a rotating disc 13-4-1, a through hole A13-4-1-1, a groove 13-4-1-2 and a fixing seat 13-4-2.

Detailed Description

The present invention will now be described in detail with reference to the drawings, wherein the embodiments are shown by way of illustration only and not by way of limitation. All other embodiments obtained by the person skilled in the art based on the present invention shall fall within the scope of protection of the present invention without the need for inventive efforts.

As shown in fig. 1 and 2, a special straightening machine for a balance shaft comprises an equipment support frame 1, wherein one side of the equipment support frame 1 is provided with two buttons 2, the two buttons are jointly responsible for opening or closing the straightening machine, the top of the equipment support frame 1 is provided with a controller 3 and a valve body 4, the controller 3 can apply different pressures according to different balance shaft settings, the buttons 2 are connected with the controller 3 through a wire, the controller 3 is connected with the valve body 4 through a wire, the valve body 4 is connected with a cylinder 5 through a pipe, the cylinder 5 is vertically arranged at the upper end of the equipment support frame 1, a piston of the cylinder 5 is connected with a straightening pressure rod 6 through a thread, the stroke length of the straightening pressure rod 6 can be changed by adjusting the length of the thread connection, and the piston of the cylinder 5 can be prevented from being in direct contact with the balance shaft by adding the straightening pressure rod 6, thereby prevent that the piston from being out of shape, be equipped with ring flange 7 on the cylinder 5, be equipped with first barometer 8 on the ring flange 7, the pressure of cylinder can be taken notes to first barometer 8, ring flange 7 passes through the ring flange pipeline and links to each other with valve body 4, valve body 4 links to each other with the one end of second barometer 9 through the pipe, second barometer 9 is established the opposite side of equipment support frame 1 for the pressure of record entering gas, the other end of second barometer 9 passes through the pipe and links to each other with connecting pipe 10 on equipment support frame 1, the bottom of connecting pipe 10 is connected with admission valve 11, connecting pipe 10 is the iron pipe, consequently can fix admission valve 11 to have characteristics such as indeformable and pleasing to the eye, admission valve 11 passes through the pipe and links to each other with the air supply, equipment support frame 1 has linked firmly frock platform 12, frock platform 12 is last to link to each other with axle location frock 13 through the bolt, when different balance shafts need to be bent and straightened, only different shaft positioning tools need to be replaced, and the replacement is convenient.

The shaft positioning tool for the right balance shaft is described in detail below with reference to the accompanying drawings.

The shaft positioning tool 13 comprises a bottom plate 13-1, positioning blocks 13-3 and a shaft rotating structure 13-4, a long circular hole 13-2 is formed in the bottom plate 13-1, the bottom plate 13-1 is connected with a tool platform 12 through the long circular hole 13-2 through a bolt, the long circular hole 13-2 can enable the shaft positioning tool 13 to be finely adjusted, the bottom plate 13-1 is fixedly connected with the two positioning blocks 13-3 and the shaft rotating structure 13-4 in sequence, the two positioning blocks 13-3 are used for placing a balance shaft and positioning, and the shaft rotating structure 13-4 can adjust the direction of the balance shaft, so that the balance shaft is bent up and down and left and right easily to be bent, pressed and aligned.

The shaft rotating structure 13-4 comprises a rotating disc 13-4-1 and a fixed seat 13-4-2, one side of the rotating disc 13-4-1 is provided with a convex shaft, the rotating disc 13-4-1 and the convex shaft are internally provided with a through hole A13-4-1-1, the convex shaft penetrates through a through hole B in the fixed seat 13-4-2 and is connected with the through hole B through a bolt, so that the rotating disc 13-4-1 can rotate relative to the fixed seat 13-4-2, a blind hole is processed at one side of the through hole B close to the rotating disc 13-4-1, a top bead and a top spring are arranged in the blind hole, a groove 13-4-1-2 corresponding to the blind hole is processed on the rotating disc 13-4-1, and the rotating disc 13-4-1-1 is matched with the groove 13-4-1-2 through the top bead And the rotating disk 13-4-1 stops rotating.

Working process

The bending reverse direction of the balance shaft is upwards placed on two profiling positioning blocks 13-3, the large head end of the balance shaft is placed into a through hole A of a rotating disc 13-4-1, then the button 2 is pressed by two hands simultaneously, the button 2 transmits a signal to the controller 3 at the moment, the controller 3 transmits a signal to the valve body 4, the valve body 4 transmits a signal to the air cylinder 5, and the air cylinder 5 drives the straightening pressure rod 6 to move downwards, so that the bending and pressing straightening of the balance shaft are performed.

Claims (3)

1. The straightening machine special for the balance shaft is characterized by comprising an equipment supporting frame (1), a button (2) is arranged on one side of the equipment supporting frame (1), a controller (3) and a valve body (4) are arranged at the top of the equipment supporting frame (1), the button (2) is connected with the controller (3) through a line, the controller (3) is connected with the valve body (4) through a line, the valve body (4) is connected with a cylinder (5) through a pipe, the cylinder (5) is vertically arranged at the upper end of the equipment supporting frame (1), a piston of the cylinder (5) is in threaded connection with a straightening pressure rod (6), a flange (7) is arranged on the cylinder (5), a first barometer (8) is arranged on the flange (7), the flange (7) is connected with the valve body (4) through a flange pipeline, the valve body (4) is connected with one end of a second barometer (9) through a pipe, establish second barometer (9) the opposite side of equipment support frame (1), the other end of second barometer (9) through the pipe with link firmly connecting pipe (10) on equipment support frame (1) link to each other, the bottom of connecting pipe (10) is connected with admission valve (11), admission valve (11) link to each other with the air supply through the pipe, equipment support frame (1) is gone up and has been linked firmly frock platform (12), be equipped with axle location frock (13) on frock platform (12).

2. The straightening machine special for the balance shaft according to claim 1, wherein the shaft positioning tool comprises a bottom plate (13-1), a positioning block (13-3) and a shaft rotating structure (13-4), a long circular hole (13-2) is formed in the bottom plate (13-1), the bottom plate (13-1) is connected with a tool platform (12) through the long circular hole (13-2) by a bolt, and the bottom plate (13-1) is sequentially fixedly connected with the positioning block (13-3) and the shaft rotating structure (13-4).

3. The straightening machine special for the balance shaft according to claim 2, wherein the shaft rotating structure (13-4) comprises a rotating disc (13-4-1) and a fixed seat (13-4-2), a protruding shaft is arranged on one side of the rotating disc (13-4-1), the rotating disc (13-4-1) and the protruding shaft are internally provided with through holes A (13-4-1-1), the protruding shaft penetrates through a through hole B in the fixed seat (13-4-2) and is connected through a bolt, so that the rotating disc (13-4-1) can rotate relative to the fixed seat (13-4-2), a blind hole is machined in one side of the through hole B, close to the rotating disc (13-4-1), a top ball and a top spring are arranged in the blind hole, and a groove (13) corresponding to the blind hole is machined in the rotating disc (13-4-1) 4-1-2), the rotating disc (13-4-1) stops the rotating disc (13-4-1) through the mutual matching of the top beads and the grooves (13-4-1-2).

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