CN209664140U - Upsetting tool in the middle part of pin shaft - Google Patents

Abstract

The utility model discloses upsetting tools in the middle part of a kind of pin shaft, including support plate, formed punch, locating piece, pin shaft, pin, gasket, spliced eye, hexagon socket cap head screw and tooling, the two sides up and down of the tooling are symmetrically arranged with support plate, the side that support plate described in two groups is located remotely from each other, which is run through, is bolted with hexagon socket cap head screw, the support plate is fixedly connected with formed punch by hexagon socket cap head screw, and formed punch is located at the inside of tooling, the inner cavity of the tooling is symmetrically arranged with locating piece in two sides up and down, the inner cavity of the tooling is provided with pin shaft, and pin shaft is located between two groups of locating pieces, pin is plugged on the pin shaft, gasket is provided between support plate and locating piece described in lower end, the structure design of the utility model is reasonable, it can satisfy product axially biggish ejecting force, convenient for assembly, improve assembly efficiency, it improves and produces Quality and stability reduce the waste of part material, reduce processing and human cost, convenient for producing in enormous quantities.

Description

Upsetting tool in the middle part of pin shaft

Technical field

The utility model relates to pin shaft mounting technology fields, and in particular to a kind of pin shaft middle part upsetting tool.

Background technique

With the rapid development of machine industry, each type component with market needs, by constantly machine-shaping, Pin shaft is a kind of standardized fastener, both can static state be fixedly connected, can also do relative motion with connected piece, be mainly used for two The hinged place of part, structure are in the hinge connection.Pin shaft is usually locked with split pin, reliable operation, convenient disassembly, and the effect of pin is For positioning and fastening components；It has cylindrical and conical two types.The installation of pin generally uses plunging or use Two methods are knocked in soft metal, pin in the connection of mechanical part in play the role of very important, there are many type of pin, packet Pin, taper pin, resilient key, pin shaft etc. are included, most of pins are for being fixedly connected, and pin shaft is usually used in moveable hinge contact.

Technology locking in pin shaft load hole is that bowing is struck at interference fit or both ends at present, is not altered to reach pin shaft Dynamic purpose, but it is not able to satisfy biggish axial ejecting force, the design of interference is more troublesome in assembly, is easy to strike pin shaft Deformation, causes pin shaft that can not be fitted into scheduled hole, leads to two part rejections, while beaing protruding point and being easy to damage pin shaft And reduce the intensity of pin shaft, some position very little structures be do not allow tap deformation it is locking to achieve the purpose that, for this purpose, we It is proposed a kind of pin shaft middle part upsetting tool.

Utility model content

The purpose of the utility model is to overcome the above-mentioned problems in the prior art, provide a kind of pin shaft middle part jumping-up Tool can satisfy product axially biggish ejecting force, convenient for assembly, improves assembly efficiency, improves product quality and stability, The waste of part material is reduced, processing and human cost are reduced, convenient for producing in enormous quantities.

To realize above-mentioned technical purpose and the technique effect, the utility model is achieved through the following technical solutions:

Upsetting tool in the middle part of a kind of pin shaft, including it is support plate, formed punch, locating piece, pin shaft, pin, gasket, spliced eye, interior Hexagonal cylindrical head screw and tooling, the two sides up and down of the tooling are symmetrically arranged with support plate, and support plate described in two groups is mutually remote From side run through and be bolted with hexagon socket cap head screw, the support plate is fixedly connected with by hexagon socket cap head screw Formed punch, and formed punch is located at the inside of tooling, two sides are symmetrically arranged with locating piece up and down for the inner cavity of the tooling, the tooling it is interior Chamber is provided with pin shaft, and pin shaft is located between two groups of locating pieces, is plugged with pin on the pin shaft, support plate described in lower end and fixed Gasket is provided between the block of position.

Preferably, above-mentioned in upsetting tool in the middle part of pin shaft, the length dimension of the pin to be 8.6mm, convenient for pin Stress in the axial direction improves stability when pin stress.

Preferably, above-mentioned for offering the grafting matched with pin on the pin shaft in upsetting tool in the middle part of pin shaft Hole is convenient for for pin grafting being mounted on pin shaft, further convenient for assembling by spliced eye.

Preferably, above-mentioned in upsetting tool in the middle part of pin shaft, the side that support plate described in two groups is located remotely from each other to be opened up There is the subsider matched with hexagon socket cap head screw, carries out storage convenient for the socket cap to hexagon socket cap head screw and deposit Put, reduce work when press machine pressure effect on the supporting plate when caused by interfere.

Preferably, above-mentioned to be used in the middle part of pin shaft in upsetting tool, the hexagon socket cap head screw, pin, formed punch and pad Piece is respectively positioned on same vertical center line, is fixed convenient for the riveting to pin and pin shaft.

Preferably, above-mentioned in upsetting tool in the middle part of pin shaft, the side that support plate described in two groups is located remotely from each other to be respectively provided with There is rubber buffer, is buffered when convenient for the pressure effect to press machine on the supporting plate, the hardness of support plate is touched in reduction It hits.

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

The structure design of the utility model is reasonable, on the one hand passes through the limit fixation for stablizing support and locating piece of support plate Cooperation, convenient for the fixation to the pin and pin shaft tentatively fitted together in tooling, stability when improving work passes through pressure The pressure of machine acts in tooling support plate, and under the guarantee of tooling guide frame, the axis of pin is transferred force to convenient for tooling Upwards, to meet product axially biggish ejecting force, on the other hand by connecting pin with pin shaft upper and lower ends in pin Plastic deformation occurs for place, further pin is made to shorten, to complete riveting work, pin and pin shaft is made closely to be fixed on one It rises, consequently facilitating assembly, improves assembly efficiency, reduces the waste of part material, reduce processing and human cost, convenient for high-volume Production.

Certainly, any product for implementing the utility model does not necessarily require achieving all the advantages described above at the same time.

Detailed description of the invention

In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention, For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings Other attached drawings.

Fig. 1 is the using state structure diagram one of the utility model；

Fig. 2 is the using state structure diagram two of the utility model；

Fig. 3 is the pin of the utility model and the connection status structural schematic diagram one of pin shaft；

Fig. 4 is the pin of the utility model and the connection status structural schematic diagram two of pin shaft；

Fig. 5 is the pin of the utility model and the connection status structural schematic diagram three of pin shaft；

In attached drawing, parts list represented by the reference numerals are as follows:

1- support plate, 2- formed punch, 3- locating piece, 4- pin shaft, 5- pin, 6- gasket, 7- spliced eye, hexagonal cylindrical head in 8- Screw, 9- tooling.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts All other embodiment obtained, fall within the protection scope of the utility model.

Please refer to shown in Fig. 1-5, upsetting tool in the middle part of a kind of pin shaft, including support plate 1, formed punch 2, locating piece 3, pin shaft 4, The two sides up and down of pin 5, gasket 6, spliced eye 7, hexagon socket cap head screw 8 and tooling 9, tooling 9 are symmetrically arranged with support plate 1, the side that two groups of support plates 1 are located remotely from each other is provided with rubber buffer, acts on support plate 1 convenient for the pressure to press machine Buffered, and reduced to the hard collision of support plate 1 when upper, the side that two groups of support plates 1 are located remotely from each other is run through be bolted in Hexagonal cylindrical head screw 8, the side that two groups of support plates 1 are located remotely from each other, which is offered, to be matched with hexagon socket cap head screw 8 Subsider carries out storage storage convenient for the socket cap to hexagon socket cap head screw 8, the pressure effect of press machine when reducing work Interfere caused by when in support plate 1, support plate 1 is fixedly connected with formed punch 2, and formed punch 2 by hexagon socket cap head screw 8 In the inside of tooling 9, the inner cavity of tooling 9 is symmetrically arranged with locating piece 3 in two sides up and down, and the inner cavity of tooling 9 is provided with pin shaft 4, and Pin shaft 4 is located between two groups of locating pieces 3, and pin 5 is plugged on pin shaft 4, and the length dimension of pin 5 is 8.6mm, is convenient for pin 5 Stress in the axial direction improves stability when 5 stress of pin, offers the spliced eye 7 matched with pin 5 on pin shaft 4, leads to Spliced eye 7 is crossed convenient for 5 grafting of pin to be mounted on pin shaft 4, further convenient for assembling, between lower end support plate 1 and locating piece 3 Be provided with gasket 6, hexagon socket cap head screw 8, pin 5, formed punch 2 and gasket 6 are respectively positioned on same vertical center line, convenient for pair Pin 5 and the riveting of pin shaft 4 are fixed.

One concrete application of the present embodiment are as follows: the structure design of the utility model is reasonable, by the way that pin 5 is penetrated pin shaft 4 On spliced eye 7 in, preliminary assembling to pin 5 and pin shaft 4 is realized, as shown in figure 3, assembled pin 5 is filled with pin shaft 4 Inside tooling 9, by being packed into inside tooling 9 after connecting formed punch 2 by hexagon socket cap head screw 8 with support plate 1, pass through Gasket 6 is installed between the support plate 1 of locating piece 3 and lower end, as shown in Figure 1, after the completion, acting on by the pressure of press machine In support plate 1 in tooling 9, under the guarantee of tooling guide frame, tooling 9 is transferred force in the axial direction of pin 5, makes pin 5 upper ends shorten, to make pin 5 that plastic deformation occur in pin 5 and 4 upper end junction of pin shaft, as shown in figure 4, by taking again After falling gasket 6, as shown in Fig. 2, being acted in the support plate 1 in tooling 9 by the pressure of press machine, in tooling guide frame Under guarantee, tooling 9 is transferred force in the axial direction of pin 5, and 5 lower end of pin is made to shorten, to make pin 5 in pin 5 and pin shaft 4 Plastic deformation occurs for lower end junction, as shown in figure 5, being fixed on pin 5 closely with pin shaft 4 to complete riveting work Together, it can satisfy product axially biggish ejecting force, convenient for assembly, improve assembly efficiency, improve product quality and stability, The waste of part material is reduced, processing and human cost are reduced, convenient for producing in enormous quantities.

In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one of the utility model In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiment or examples In can be combined in any suitable manner.

The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously There is no the details that detailed descriptionthe is all, also not limiting the utility model is only the specific embodiment.Obviously, according to this theory The content of bright book can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably The principles of the present invention and practical application are explained, so that skilled artisan be enable to better understand and utilize this Utility model.The utility model is limited only by the claims and their full scope and equivalents.

Claims (6)

1. upsetting tool in the middle part of a kind of pin shaft, including support plate (1), formed punch (2), locating piece (3), pin shaft (4), pin (5), pad Piece (6), spliced eye (7), hexagon socket cap head screw (8) and tooling (9), it is characterised in that: the two sides up and down of the tooling (9) It is symmetrically arranged with support plate (1), the side that support plate described in two groups (1) is located remotely from each other, which is run through, is bolted with interior hexagonal cylindrical head spiral shell It follows closely (8), the support plate (1) is fixedly connected with formed punch (2) by hexagon socket cap head screw (8), and formed punch (2) is located at tooling (9) inner cavity of inside, the tooling (9) is symmetrically arranged with locating piece (3) two sides up and down, the inner cavity setting of the tooling (9) Have pin shaft (4), and pin shaft (4) is located between two groups of locating pieces (3), is plugged with pin (5) on the pin shaft (4), described in lower end Gasket (6) are provided between support plate (1) and locating piece (3).

2. upsetting tool in the middle part of a kind of pin shaft according to claim 1, it is characterised in that: the length ruler of the pin (5) Very little is 8.6mm.

3. upsetting tool in the middle part of a kind of pin shaft according to claim 1, it is characterised in that: offered on the pin shaft (4) The spliced eye (7) matched with pin (5).

4. upsetting tool in the middle part of a kind of pin shaft according to claim 1, it is characterised in that: support plate described in two groups (1) phase Mutually separate side offers the subsider matched with hexagon socket cap head screw (8).

5. upsetting tool in the middle part of a kind of pin shaft according to claim 1, it is characterised in that: the hexagon socket cap head screw (8), pin (5), formed punch (2) and gasket (6) are respectively positioned on same vertical center line.

6. upsetting tool in the middle part of a kind of pin shaft according to claim 1, it is characterised in that: support plate described in two groups (1) phase Mutually separate side is provided with rubber buffer.