CN214322440U

CN214322440U - Straight-tooth press-fitting bolt production device with double chamfers

Info

Publication number: CN214322440U
Application number: CN202120143333.5U
Authority: CN
Inventors: 燕存露; 曾建华
Original assignee: SHANGHAI AUTOCRAFT CO Ltd
Current assignee: SHANGHAI AUTOCRAFT CO Ltd
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2021-10-01
Anticipated expiration: 2031-01-19

Abstract

The utility model belongs to the technical field of the fastener production, especially, relate to a straight-tooth pressure equipment bolt apparatus for producing of two chamfers, which comprises a bod, a control system, a station for processing is rubbed with the hands screw thread part pole footpath, a two stations for the preforming head with rub the straight-tooth part pole footpath with the hands, a is used for accomplishing, the head shaping, b, rub straight-tooth part pole footpath shaping and two chamfer shaping with the hands, c, the fashioned three stations of tail end chamfer and be used for taking out the raw and other materials of a station and put into two stations snatch the mechanism, it still is used for taking out the raw and other materials in two stations and putting into three stations to snatch the mechanism, a station, two stations and three stations all set up in the fuselage, it is mobilizable to snatch the mechanism and set up in the fuselage, a station, two stations and three stations and snatch the mechanism and all with control system signal connection. The utility model discloses can produce and effectively solve the bolt that the iron powder condition was shaved off and wheel hub to the straight-tooth of bolt in the pressure equipment process, simultaneously the utility model discloses production efficiency is high, practices thrift the cost.

Description

Straight-tooth press-fitting bolt production device with double chamfers

Technical Field

The utility model belongs to the technical field of the fastener production, specifically speaking especially relates to a straight-tooth pressure equipment bolt apparatus for producing of two chamfers.

Background

At present, during the assembly process of automobiles, the connection between different parts is usually realized by fasteners, and bolts are one of the most common mechanical parts. A bolt is a cylindrical threaded fastener fitted with a nut. The bolt is matched with the nut and is used for fastening and connecting two parts with through holes.

As long as the hand piece is a product with unthreaded holes, for example, a hub bolt applied to an automobile hub often has the phenomenon that straight teeth are shaved off or iron powder is removed from the hub in the press fitting process, the assembling performance requirements are seriously influenced by the conditions, the scrappage is high, and the cost and the yield are directly influenced. It is important to design and produce bolts that effectively address the above problems.

Disclosure of Invention

Not enough to prior art existence, the utility model provides a straight-tooth pressure equipment bolt apparatus for producing of two chamfers can produce and effectively solve the bolt straight-tooth of pressure equipment in-process bolt and shaved off and the bolt that wheel hub fall the iron powder condition, simultaneously the utility model discloses production efficiency is high, practices thrift the cost.

The purpose of the utility model can be realized by the following technical scheme: the utility model provides a straight-tooth pressure equipment bolt apparatus for producing of two chamfers, includes, fuselage, control system, be used for processing to rub a station of screw thread part pole footpath, be used for preforming the head and rub two stations of the pole footpath of straight-tooth part with the hands, be used for accomplishing a, the head shaping, b, rub straight-tooth part pole footpath shaping and two chamfer shaping, c, the fashioned three stations of tail end chamfer and be used for with the raw and other materials of a station take out and put into two stations snatch the mechanism, it still be used for with still to snatch the mechanism raw and other materials in two stations are taken out and are put into in three stations, a station two stations reach three stations all set up in the fuselage, it is mobilizable to snatch the mechanism set up in the fuselage, a station two stations reach three stations reach it all with control system signal connection to snatch the mechanism.

Further, a station includes first die and die thimble, set up first recess in the first die, the bottom of first recess sets up first through-hole, mobilizable first die thimble that sets up in the first through-hole.

Further, the second station comprises a second female die and a second punching die, a second groove is formed in the second female die, a second through hole is formed in the bottom of the second groove, and a second female die ejector pin is movably arranged in the second through hole; the front part of the second die is provided with an opening, and the opening of the second die is a first divergent opening.

Further, the three stations comprise a third female die and a third punching die, a third groove is formed in the third female die, a third through hole is formed in the bottom of the third groove, and a third female die ejector pin is movably arranged in the third through hole; the third die front opening, the third die opening comprising a second diverging opening and a third opening.

Further, the diameter of the third opening is equal to the maximum opening diameter of the second divergent opening.

The utility model has the advantages that:

1. the first chamfer of the bolt produced by the utility model can be pre-guided into the unthreaded hole of the opponent part in the bolt press-fitting process, so as to play a good guiding role, avoid the bolt from being inclined and play a guiding function; the second chamfer is a longer small-taper chamfer, so that the straight tooth part of the bolt can be slowly pressed into the counterpart in the press fitting process, the resistance in the pressing process is reduced, the problem that the straight tooth is shaved off is solved, and the problem that iron powder falls off due to overlarge press fitting resistance is solved.

2. The utility model provides high product production efficiency has shortened manufacturing cycle, practices thrift the cost, improves the profit to guarantee the stable production of large batch bolt.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic view of a station provided in the present invention;

fig. 2 is a schematic diagram of two stations provided by the present invention;

fig. 3 is a schematic diagram of three stations provided by the present invention;

FIG. 4 is a bolt after a station process;

FIG. 5 is a bolt after two-station machining;

FIG. 6 is a three-station machined bolt;

FIG. 7 is a schematic view of a straight tooth rubbing plate.

In the figure:

1, a first female die; 2. punching a thimble; 3. a first female die thimble; 4. a second female die; 5. a second die; 6. A second concave die thimble; 7. a first diverging opening; 8. a third female die; 9. a third die; 10. a third concave die thimble; 11. a second diverging opening; 12. a third opening.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings: as shown in fig. 1 to 7 of the drawings attached to the specification, a double-chamfered straight-pressing bolt production apparatus includes: the machine body, a control system, a station for processing rub the rod diameter of the screw thread part with hands, a two stations for preforming the head and rub the rod diameter of the straight-tooth part with hands, a be used for accomplishing a, the head shaping, b, rub the shaping of straight-tooth part rod diameter and two chamfer shaping, c, three stations of tail end chamfer shaping and be used for taking out the raw and other materials of a station and put into the mechanism that snatchs of two stations, it still is used for taking out the raw and other materials in two stations and put into three stations to snatch the mechanism, a station, two stations and three stations all set up in the machine body, it is mobilizable to snatch the mechanism and set up in the machine body, a station, two stations and three stations and snatch the mechanism and all with control system signal connection.

The control system controls the grabbing mechanism to place the raw material into a first station, controls the rod diameter of the thread twisting part machined by the first station, and then controls the grabbing mechanism to take out the raw material in the first station and place the raw material in a second station; and (3) controlling the rod diameters of the preformed head part and the straight-tooth twisting part in the two stations, then controlling the grabbing mechanism to take out the raw materials in the two stations and putting the raw materials into the three stations, controlling the three stations to finish the molding of the head part a, the molding of the rod diameter of the straight-tooth twisting part and the molding of double chamfers, and the molding of the tail end chamfer. And after all the working procedures are finished, the control system controls the grabbing mechanism to take out the finished product bolt. The grabbing mechanism can be a mechanical arm, an automatic feeding and discharging mechanism and the like.

Further, a station includes first die 1 and die thimble 2, first die 1 is relative with die thimble 2, die thimble 2 can move towards or deviate from first die 1, set up first recess in the first die 1, the bottom of first recess sets up first through-hole, mobilizable first die thimble 3 that sets up in the first through-hole, die thimble 2 moves towards the raw and other materials in the first die 1, raw and other materials are extruded by die thimble 2 and first die 1, after accomplishing the process, die thimble 2 deviates from first die 1 and moves, take out raw and other materials to two station processing.

Further, the second station comprises a second female die 4 and a second punching die 5, a second groove is formed in the second female die 4, a second through hole is formed in the bottom of the second groove, and a second female die ejector pin 6 is movably arranged in the second through hole; the second die 5 is open at the front and the opening of the second die 5 is a first diverging opening 7. The second die 5 is opposite to the second concave die 4, the raw material enters a second station, and the rod diameters of the head part and the straight tooth rubbing part are preformed by the second die 5 and the second concave die 4. And after the working procedures are finished, taking out the raw materials to be processed in three stations.

Further, the third station comprises a third female die 8 and a third die 9, a third groove is formed in the third female die 8, a third through hole is formed in the bottom of the third groove, and a third female die ejector pin 10 is movably arranged in the third through hole; the third die 9 is open at the front and the openings of the third die comprise a second diverging opening 11 and a third opening 12. The diameter of the third opening 12 is equal to the maximum opening diameter of the second diverging opening 11. And (c) utilizing a third die 9 and a third female die 8 to complete head forming, straight tooth twisting part rod diameter forming and double-chamfer forming, and tail end chamfer forming.

Further, by using a straight-tooth rubbing dental plate shown in fig. 7, straight teeth are rubbed out of the raw material obtained in the three stations through the straight-tooth rubbing dental plate, and then the target product is obtained. The first chamfer of the bolt produced by the utility model can be pre-guided into the unthreaded hole of the opponent part in the bolt press-fitting process, so as to play a good guiding role, avoid the bolt from being inclined and play a guiding function; the second chamfer is a longer small-taper chamfer, so that the straight tooth part of the bolt can be slowly pressed into the counterpart in the press fitting process, the resistance in the pressing process is reduced, the problem that the straight tooth is shaved off is solved, and the problem that iron powder falls off due to overlarge press fitting resistance is solved.

The application provides a apparatus for producing can the straight-tooth pressure equipment bolt of automatic processing double chamfer, has shortened manufacturing cycle, has improved product production efficiency, can guarantee to produce large batch bolt steadily.

The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.

Claims

1. The utility model provides a straight-teeth pressure equipment bolt apparatus for producing of two chamfers which characterized in that: including, fuselage, control system, be used for processing to rub a station of screw thread part pole footpath, be used for the preforming head and rub two stations of the pole footpath of straight-tooth part with the hands, be used for accomplishing a, the head shaping, b, rub straight-tooth part pole footpath shaping and two chamfer shaping, c, three stations of tail end chamfer shaping and be used for with the raw and other materials of a station take out and put into two stations snatch the mechanism, it still be used for with to snatch the mechanism raw and other materials in two stations take out and put into in three stations, a station two stations reach three stations all set up in the fuselage, it is mobilizable to snatch the mechanism set up in the fuselage, a station two stations reach three stations reach snatch the mechanism all with control system signal connection.

2. The production device of the double-chamfer straight-tooth press-fitting bolt as claimed in claim 1, wherein: a station includes first die and die thimble, set up first recess in the first die, the bottom of first recess sets up first through-hole, mobilizable first die thimble that sets up in the first through-hole.

3. The production device of the double-chamfer straight-tooth press-fitting bolt as claimed in claim 1, wherein: the second station comprises a second female die and a second punching die, a second groove is formed in the second female die, a second through hole is formed in the bottom of the second groove, and a second female die ejector pin is movably arranged in the second through hole; the front part of the second die is provided with an opening, and the opening of the second die is a first divergent opening.

4. The production device of the double-chamfer straight-tooth press-fitting bolt as claimed in claim 1, wherein: the three stations comprise a third female die and a third punching die, a third groove is formed in the third female die, a third through hole is formed in the bottom of the third groove, and a third female die ejector pin is movably arranged in the third through hole; the third die front opening, the third die opening comprising a second diverging opening and a third opening.

5. The production device of the double-chamfer straight-tooth press-fitting bolt as claimed in claim 4, wherein: the diameter of the third opening is equal to the maximum opening diameter of the second divergent opening.