阅读说明：本技术 一种驻车推杆热铆成型结构及其方法 (Parking push rod hot riveting forming structure and method thereof ) 是由 付刚 闫召锋 赵振安 任洁芬 于 2021-09-14 设计创作，主要内容包括：本发明提供发明提供一种驻车推杆热铆成型结构及其方法,包括：第一电极和第二电极,所述第一电极上设有工件成型腔,所述第二电极包括：第二电极固定块和第二电极活动块,所述第二电极固定块与所述第二电极活动块之间设有工件,通过第二电极固定块与所述第二电极活动块相互配合以能够夹紧工件的一端,所述工件的另一端与工件成型腔相对应且相互配合以能够将所述工件加热成型；其结构简单,操作方便,不仅解决了工件成型受力问题,更解决了待成型工件在转移过程中温度会下降的问题,提高了工件的成型效果。(The invention provides a hot riveting forming structure and a hot riveting forming method for a parking push rod, wherein the hot riveting forming structure comprises the following steps: first electrode and second electrode, be equipped with the work piece shaping chamber on the first electrode, the second electrode includes: the workpiece is arranged between the second electrode fixed block and the second electrode movable block, one end of the workpiece can be clamped through the mutual matching of the second electrode fixed block and the second electrode movable block, and the other end of the workpiece corresponds to the workpiece forming cavity and is mutually matched so as to heat and form the workpiece; the workpiece forming device is simple in structure and convenient to operate, the problem of workpiece forming stress is solved, the problem that the temperature of a workpiece to be formed can be reduced in the transfer process is solved, and the forming effect of the workpiece is improved.)

1. The utility model provides a parking push rod hot riveting forming structure which characterized in that includes: first electrode (1) and second electrode (2), be equipped with work piece shaping chamber (3) on first electrode (1), second electrode (2) include: second electrode fixed block (21) and second electrode movable block (22), second electrode fixed block (21) with be equipped with work piece (4) between second electrode movable block (22), through second electrode fixed block (21) with second electrode movable block (22) mutually support in order to press from both sides the one end of tight work piece (4), the other end and the work piece shaping chamber (3) of work piece (4) correspond and mutually support in order to can with work piece (4) heat shaping.

2. The parking push rod hot riveting forming structure according to claim 1, wherein a clasp piston shaft (5) is arranged on one side surface of the second electrode movable block (22), the clasp piston shaft (5) is connected with the second electrode movable block (22), and the other side surface of the second electrode movable block (22) is in contact with the workpiece (4).

3. The parking push rod hot riveting forming structure according to claim 2, wherein a clasping driving piece (6) is connected to the clasping piece piston shaft (5), and the clasping driving piece (6) drives the clasping piece piston shaft (5) to move towards the direction close to the second electrode fixing block (21) so as to clamp the workpiece (4) arranged between the second electrode fixing block (21) and the second electrode movable block (22).

4. The parking push rod hot riveting forming structure according to claim 3, wherein a tightly holding fixed support shaft (7) is arranged on one side surface of the second electrode fixing block (21), the tightly holding fixed support shaft (7) is connected with the second electrode fixing block (21), and the other side surface of the second electrode fixing block (21) is in contact with the workpiece (4).

5. The parking push rod hot riveting forming structure according to claim 4, comprising: and the second electrode fixing seat (8), and the second electrode fixing seat (8) is connected with the second electrode fixing block (21).

6. The parking push rod hot riveting forming structure according to claim 5, comprising: mould base (9), second electrode fixing base (8) set up in on mould base (9) and with state mould base (9) and be connected, be equipped with on mould base (9) relatively and hold driving piece mount (10) and second tightly and hold driving piece mount (11), first hold driving piece mount (10) tightly with second hold driving piece mount (11) tightly respectively with mould base (9) are connected.

7. The parking push rod hot riveting forming structure according to claim 6, wherein the clasping driving piece (6) is arranged between the first clasping driving piece fixing frame (10) and the second clasping driving piece fixing frame (11), one end of the clasping driving piece (6) is connected with the first clasping driving piece fixing frame (10), and the other end of the clasping driving piece (6) is connected with the second clasping driving piece fixing frame (11).

8. The parking push rod hot riveting forming structure according to claim 7, wherein a first support reinforcing rib (12) is connected between the first clasping driving piece fixing frame (10) and the die base (9), and a second support reinforcing rib (13) is connected between the second clasping driving piece fixing frame (11) and the die base (9).

9. The parking push rod hot riveting forming structure according to claim 1, wherein one end of the first electrode (1) is connected with the first electrode fixing plate (14), the other end of the first electrode (1) is provided with a workpiece forming cavity (3), and the first electrode fixing plate (14) is connected with a spot welding machine sliding block (15).

10. A hot riveting forming method for a parking push rod is characterized by comprising the following steps:

s1, arranging the workpiece (4) between the second electrode fixed block (21) and the second electrode movable block (22);

s2, starting the holding driving piece (6) to work, and driving the piston shaft (5) of the holding piece to move towards the direction close to the second electrode fixed block (21) by the holding driving piece (6) so as to clamp the workpiece (4) arranged between the second electrode fixed block (21) and the second electrode movable block (22);

s3, starting the spot welder sliding block (15) to work, wherein the spot welder sliding block (15) pushes the first electrode fixing plate (14) to drive the first electrode (1) to move towards the direction close to the second electrode (2) so as to enable the workpiece forming cavity (3) to be in contact with the end face of the workpiece (4); the electric welding equipment is electrified to enable the first electrode (1) and the second electrode (2) to generate a voltage difference, and the workpiece (4) is heated and softened;

s4, continuously pushing the first electrode fixing plate (14) by the spot welder sliding block (15) to drive the first electrode (1) to move towards the direction close to the second electrode (2) so as to heat and shape the workpiece (4);

s5, after the workpiece (4) is heated and formed, the spot welding machine sliding block (15) returns to pull the first electrode fixing plate (14) to drive the first electrode (1) to return towards the direction far away from the second electrode (2), and the clasping driving piece (6) returns to drive the clasping piece piston shaft (5) to drive the second electrode movable block (22) to move towards the direction far away from the second electrode fixed block (21) so as to separate the heated and formed workpiece (4) from the forming structure.

Technical Field

The invention relates to the technical field of forming, in particular to a hot riveting forming structure and a hot riveting forming method for a parking push rod.

Background

The traditional parking push rod forming method adopts cold heading forming and riveting of a cap head to form the parking push rod of a workpiece in a mutually matched mode, and has the defects that: the forming stress of the workpiece of the parking push rod forming structure can not completely meet the requirement.

Although researchers adopt a heating matching die forming process to form the workpiece parking push rod, the parking push rod forming structure can be made into an integrated forming structure, and the stress problem can be solved, when the workpiece to be formed is moved to the die for forming after the coil is heated, the temperature of the workpiece to be formed is reduced in the transferring process, and the forming effect is not ideal. Therefore, a hot riveting structure and a method thereof for a parking push rod are needed.

Disclosure of Invention

In order to solve the technical problems, the invention provides a hot riveting forming structure and a hot riveting forming method for a parking push rod, which are simple in structure and convenient to operate, not only solve the problem of workpiece forming stress, but also solve the problem that the temperature of a workpiece to be formed is reduced in the transfer process, and improve the forming effect of the workpiece.

In order to achieve the purpose, the technical scheme of the invention is as follows:

the utility model provides a parking push rod hot riveting forming structure, includes: first electrode and second electrode, be equipped with the work piece shaping chamber on the first electrode, the second electrode includes: second electrode fixed block and second electrode movable block, the second electrode fixed block with be equipped with the work piece between the second electrode movable block, through the second electrode fixed block with the second electrode movable block is mutually supported in order to press from both sides the one end of tight work piece, the other end of work piece and work piece shaping chamber are corresponding and mutually support in order to can with work piece heat shaping.

The invention provides a hot riveting forming structure and a hot riveting forming method for a parking push rod, which are simple in structure and convenient to operate, not only solve the problem of stress on workpiece forming, but also solve the problem that the temperature of a workpiece to be formed is reduced in the transfer process, and improve the forming effect of the workpiece.

According to the preferable technical scheme, a clasping piece piston shaft is arranged on one side face of the second electrode movable block, the clasping piece piston shaft is connected with the second electrode movable block, and the other side face of the second electrode movable block is in contact with the workpiece.

As a preferred technical scheme, the piston shaft of the clasping member is connected with a clasping driving member, and the clasping driving member drives the clasping member piston shaft to move towards the direction close to the second electrode fixing block so as to clamp a workpiece arranged between the second electrode fixing block and the second electrode movable block.

According to the preferable technical scheme, a tightly-holding fixed supporting shaft is arranged on one side face of the second electrode fixing block and connected with the second electrode fixing block, and the other side face of the second electrode fixing block is in contact with the workpiece.

The preferable technical scheme comprises the following steps: and the second electrode fixing seat is connected with the second electrode fixing block.

The preferable technical scheme comprises the following steps: the mould base, the second electrode fixing base set up in on the mould base and with state the mould base and be connected, be equipped with on the mould base relatively and first hold driving piece mount and the second hold the driving piece mount tightly, first hold the driving piece mount tightly with the second hold the driving piece mount tightly respectively with the mould base is connected.

As preferred technical scheme, hold driving piece set up in first hold driving piece mount and the second hold between the driving piece mount tightly, hold driving piece one end tightly with first hold the driving piece mount tightly and connect, hold the driving piece other end tightly with the second holds the driving piece mount tightly and connects.

As a preferred technical scheme, a first support reinforcing rib is connected between the first enclasping driving piece fixing frame and the die base, and a second support reinforcing rib is connected between the second enclasping driving piece fixing frame and the die base.

According to a preferable technical scheme, one end of the first electrode is connected with the first electrode fixing plate, a workpiece forming cavity is formed in the other end of the first electrode, and the first electrode fixing plate is connected with a spot welding machine sliding block.

The invention also provides a hot riveting forming method of the parking push rod, which comprises the following steps:

s1, arranging the workpiece between the second electrode fixed block and the second electrode movable block;

s2, starting the clasping driving piece to work, wherein the clasping driving piece drives the clasping piece piston shaft to move towards the direction close to the second electrode fixed block so as to clamp the workpiece arranged between the second electrode fixed block and the second electrode movable block;

s3, starting the spot welder sliding block to work, wherein the spot welder sliding block pushes the first electrode fixing plate to drive the first electrode to move towards the direction close to the second electrode so as to enable the workpiece forming cavity to be in contact with the end face of the workpiece; the electric welding equipment is electrified to enable the first electrode and the second electrode to generate a voltage difference, and the workpiece is heated and softened;

s4 the spot welding machine slide block continuously pushes the first electrode fixing plate to drive the first electrode to move towards the direction close to the second electrode so as to heat and form the workpiece;

s5, after the workpiece is heated and formed, the spot welding machine slide block returns to pull the first electrode fixing plate to drive the first electrode to move and return towards the direction far away from the second electrode, and the clasping driving piece returns to drive the clasping piece piston shaft to drive the second electrode movable block to move towards the direction far away from the second electrode fixing block so as to separate the heated and formed workpiece from the forming structure.

The invention provides a hot riveting forming structure and a hot riveting forming method for a parking push rod, which are simple in structure and convenient to operate, not only solve the problem of stress on workpiece forming, but also solve the problem that the temperature of a workpiece to be formed is reduced in the transfer process, and improve the forming effect of the workpiece.

Drawings

FIG. 1 is a structural diagram of a hot riveting forming structure of a parking push rod provided by the invention;

FIG. 2 is a reference diagram of a use state of a hot riveting forming structure of a parking push rod provided by the invention;

FIG. 3 is a reference diagram of a use state of a hot riveting forming structure of a parking push rod provided by the invention;

FIG. 4 is a reference diagram of a use state of a hot riveting forming structure of a parking push rod provided by the invention;

FIG. 5 is a reference diagram of a use state of a hot riveting forming structure of a parking push rod according to the present invention;

wherein: 1-a first electrode; 2-a second electrode; 21-a second electrode fixing block; 22-a second electrode active mass; 3-forming a workpiece cavity; 4-a workpiece; 5, a piston shaft of the holding piece; 6, tightly holding the driving piece; 7, tightly holding the fixed support shaft; 8-a second electrode holder; 9-a mold base; 10-a first clasping driving piece fixing frame; 11-a second holding driving piece fixing frame; 12-a first support stiffener; 13-a second bracket reinforcing rib; 14-a first electrode holding plate; 15-spot welder slide block; 16-spot welding machine lower table plate.

Detailed Description

Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

It is understood that the invention achieves the objects of the invention by means of some embodiments.

As shown in fig. 1, the present invention provides a parking push rod hot riveting molding structure, including: first electrode 1 and second electrode 2, seted up work piece shaping cavity 3 on the first electrode 1, second electrode 2 includes: second electrode fixed block 21 and second electrode movable block 22, second electrode fixed block 21 with be equipped with work piece 4 between the second electrode movable block 22, through second electrode fixed block 21 with second electrode movable block 22 mutually supports in order to press from both sides the one end of tight work piece 4, the other end of work piece 4 and work piece shaping chamber 3 are corresponding and mutually support in order to be with work piece 4 heat shaping. A clasping piece piston shaft 5 is arranged on one side surface of the second electrode movable block 22, the clasping piece piston shaft 5 is connected with the second electrode movable block 22, and the other side surface of the second electrode movable block 22 is in contact with the workpiece 4; the clasping piece piston shaft 5 is connected with a clasping driving piece 6, and the clasping driving piece 6 drives the clasping piece piston shaft 5 to move towards the direction close to the second electrode fixing block 21 so as to clamp the workpiece 4 arranged between the second electrode fixing block 21 and the second electrode movable block 22. A holding fixed support shaft 7 is arranged on one side surface of the second electrode fixed block 21, the holding fixed support shaft 7 is connected with the second electrode fixed block 21, and the other side surface of the second electrode fixed block 21 is in contact with the workpiece 4; the second electrode fixing seat 8 is connected with the second electrode fixing block 21; the second electrode fixing seat 8 is arranged on the die base 9 and connected with the die base 9, a first enclasping driving piece fixing frame 10 and a second enclasping driving piece fixing frame 11 are oppositely arranged on the die base 9, the first enclasping driving piece fixing frame 10 and the second enclasping driving piece fixing frame 11 are respectively connected with the die base 9, the enclasping driving piece 6 is arranged between the first enclasping driving piece fixing frame 10 and the second enclasping driving piece fixing frame 11, one end of the enclasping driving piece 6 is connected with the first enclasping driving piece fixing frame 10, and the other end of the enclasping driving piece 6 is connected with the second enclasping driving piece fixing frame 11, so that the overall stability of the structure is improved; a first support reinforcing rib 12 is connected between the first enclasping driving piece fixing frame 10 and the die base 9, a second support reinforcing rib 13 is connected between the second enclasping driving piece fixing frame 11 and the die base 9, and the first support reinforcing rib 12 and the second support reinforcing rib 13 are arranged to further improve the overall stability of the structure; one end of the first electrode 1 is connected with the first electrode fixing plate 14, the other end of the first electrode 1 is provided with a workpiece forming cavity 3, and the first electrode fixing plate 14 is in transmission connection with a spot welding machine sliding block 15.

The invention provides a hot riveting forming structure of a parking push rod, which adopts a heating mode of a first electrode 1 and a second electrode 2: the second electrode 2 is designed into an open-close type structure so as to clamp a workpiece, a workpiece forming cavity 3 is formed in the first electrode 1, the spot welding machine slider 15 pushes the first electrode fixing plate 14 to drive the first electrode 1 to move towards the direction close to the second electrode 2 until the workpiece forming cavity 3 is contacted with the end face of the workpiece 4, the workpiece forming cavity 3 in the first electrode 1 covers the workpiece 4, electric welding equipment is electrified to enable the first electrode 1 and the second electrode 2 to generate voltage difference, the workpiece 4 is heated to a required temperature through the voltage difference generated by the first electrode 1 and the second electrode 2, the spot welding machine slider 15 continues to push the first electrode fixing plate 14 to drive the first electrode 1 to move towards the second electrode 2 and further apply pressure and heat to the workpiece, the workpiece forming cavity 3 is filled with the hot-melting workpiece, and heating forming of the workpiece is completed.

Referring to fig. 2, the present invention provides a reference diagram of an initial working state of a parking push rod hot riveting molding structure, wherein a second electrode movable block 22 and a first electrode 1 are both in initial working positions, and a workpiece 4 is placed between a second electrode fixed block 21 and the second electrode movable block 22.

Referring to fig. 3, the invention provides a working state reference diagram of a parking push rod hot riveting forming structure, wherein a first electrode 1 is at a working initial position, a clasping driving piece 6 drives a clasping piece piston shaft 5 to move towards a direction close to a second electrode fixed block 21, and a workpiece 4 arranged between the second electrode fixed block 21 and a second electrode movable block 22 is clamped.

As shown in fig. 4, the present invention provides a reference diagram of a working state of a parking push rod hot riveting forming structure, a spot welding machine slider 15 pushes a first electrode fixing plate 14 to drive a first electrode 1 to move towards a direction close to a second electrode 2 until a workpiece forming cavity 3 contacts with an end surface of a workpiece 4; the electric welding equipment is electrified to enable the first electrode 1 and the second electrode 2 to generate a voltage difference, the workpiece 4 is heated and softened through the first electrode 1 and the second electrode 2, and the spot welding machine sliding block 15 continuously pushes the first electrode fixing plate 14 to drive the first electrode 1 to move towards the direction close to the second electrode 2 to apply pressure to the workpiece 4 so as to heat and shape the workpiece.

As shown in fig. 5, the invention provides a working state reference diagram of a parking push rod hot riveting forming structure, after a workpiece 4 is heated and formed, a spot welder slider 15 returns to pull a first electrode fixing plate 14 to drive a first electrode 1 to move and return towards a direction away from a second electrode 2 until the first electrode 1 is at a working initial position, a clasping driving piece 6 returns to drive a clasping piece piston shaft 5 to drive a second electrode movable block 22 to move towards a direction away from a second electrode fixed block 21 until the second electrode movable block 22 is at the working initial position, and finally, the formed workpiece 4 is separated from the forming structure.

The invention also provides a hot riveting forming method of the parking push rod, which comprises the following steps:

s1 setting the workpiece 4 between the second electrode fixed block 21 and the second electrode movable block 22;

s2, the clasping driving piece 6 drives the clasping piece piston shaft 5 to move towards the direction close to the second electrode fixed block 21 so as to clamp the workpiece 4 arranged between the second electrode fixed block 21 and the second electrode movable block 22;

s3, starting the spot welder sliding block 15 to work, wherein the spot welder sliding block 15 pushes the first electrode fixing plate 14 to drive the first electrode 1 to move towards the direction close to the second electrode 2 so as to enable the workpiece forming cavity 3 to be in contact with the end face of the workpiece 4; the electric welding equipment is electrified to enable the first electrode 1 and the second electrode 2 to generate a voltage difference, and the workpiece 4 is heated and softened;

s4, the spot welding machine slide block 15 continuously pushes the first electrode fixing plate 14 to drive the first electrode 1 to move towards the direction close to the second electrode 2 so as to heat and shape the workpiece 4;

s5, after the workpiece 4 is heated and formed, the spot welder slide block 15 returns to pull the first electrode fixing plate 14 to drive the first electrode 1 to move and return towards the direction far away from the second electrode 2, and the clasping driving piece 6 returns to drive the clasping piece piston shaft 5 to drive the second electrode movable block 22 to move towards the direction far away from the second electrode fixed block 21 so as to separate the heated and formed workpiece from the forming structure.

The invention provides a hot riveting forming structure and a hot riveting forming method for a parking push rod, which are simple in structure and convenient to operate, not only solve the problem of stress on workpiece forming, but also solve the problem that the temperature of a workpiece to be formed is reduced in the transfer process, and improve the forming effect of the workpiece.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all modifications and equivalents falling within the scope of the appended claims. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.