CN207746364U

CN207746364U - Pressure riveting device

Info

Publication number: CN207746364U
Application number: CN201721796306.8U
Authority: CN
Inventors: 孙成迅
Original assignee: Qingdao Native Pioneer Metals Corp
Current assignee: Qingdao Native Pioneer Metals Corp
Priority date: 2017-12-20
Filing date: 2017-12-20
Publication date: 2018-08-21
Anticipated expiration: 2027-12-20

Abstract

The utility model discloses a kind of pressure riveting devices, its key points of the technical solution are that including rack, the rack is equipped with vertical hydraulic cylinder, the telescopic rod of hydraulic cylinder is equipped with upper mold downward and in the lower end of telescopic rod, the rack is equipped with the lower die being located at immediately below upper mold, the lower die is respectively equipped with four round holes for corresponding to four circular holes of sheet metal component, the lower die lower end is equipped with vertical rotation axis, the axis of rotation axis is overlapped with the center line of four circular holes, and the rack is equipped with the cylindrical hole being rotatablely connected with rotation axis.The utility model improves working efficiency when pressure riveting device in the prior art presses to motor-car with seat regulation switch shell.

Description

Pressure riveting device

Technical field

The utility model is related to a kind of riveting sets, more specifically, it is related to a kind of pressure riveting device.

Background technology

A kind of motor-car seat regulation switch shell, the shell be box-like thin-walled cuboid sheet metal component, the one of bottom surface End is set there are four circular hole, and the center of four circular holes is located on four vertex of a square, the other end set there are four centre bit Square hole in four vertex of the same cuboid, circular hole are followed closely for riveter, and square hole is used for installing switch, in the processing of sheet metal component In, generally use pressure riveting device presses to sheet metal component, and typically now riveting machine used is the rotation using cold roll riveting Riveter exactly makes the clinching method that rivet shapes, riveting die include upper mold and lower die rivet pressurized using rivet rod, on Mould is fixedly connected on rivet rod, and lower die is fixedly connected on riveting die pedestal.The common course of work is：In rack Cylinder or hydraulic cylinder pressurize to rivet rod, and upper mold moves downward, and acts in the lower die on the riveting die seat on pedestal, upper mold It contacts, self-clinching nut is pressed into the hole on sheet metal component, in order to correspond to different size and model with the sheet metal component on riveting die Self-clinching nut, need replacing numerous various sizes of lower dies, so the riveting die on riveting die seat needs to be replaced frequently, Increase the Operational preparation time.

In view of the above technical problems, the Chinese utility model patent that Authorization Notice No. is CN204470523U in the prior art A kind of pressure riveting device, including mold base are disclosed in file, and movable block, the movement are slidably connected on the mold base Several placing grooves are provided in block, the side wall of each placing groove is rotatably connected to the moving block of installation lower die, the mould The guide part of control moving block rotation is provided on tool pedestal.

Pressure riveting device in the prior art needs repeatedly to adjust when pressing to the motor-car with seat regulation switch shell Whole sheet metal component with respect to lower die position, and then realize press to four circular holes, lead to the ineffective of the squeeze riveter Problem.

Utility model content

In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of pressure riveting device, improve existing Working efficiency when pressure riveting device in technology presses to motor-car with seat regulation switch shell.

To achieve the above object, the utility model provides following technical solution：A kind of pressure riveting device, including rack, institute It states rack and is equipped with vertical hydraulic cylinder, the telescopic rod of hydraulic cylinder is downward and the lower end of telescopic rod is equipped with upper mold, and the rack is equipped with Lower die immediately below upper mold, the lower die is respectively equipped with the round hole for four circular holes that four correspond to sheet metal component, described Lower die lower end is equipped with vertical rotation axis, and the axis of rotation axis is overlapped with the center line of four circular holes, and the rack is equipped with and turns The cylindrical hole of moving axis rotation connection.

By using above-mentioned technical proposal, four circular holes on the sheet metal component can be pressed respectively by rotating lower die Riveting improves the working efficiency of pressure riveting device.

The utility model is further arranged to：The rotation axis is equipped with the positioning device for limiting its rotational angle.

By using above-mentioned technical proposal, the rotational angle of rotation axis is controlled, it can be achieved that the position that presses by positioning device The accurate positionin set improves the accuracy to press.

The utility model is further arranged to：There are one the underface for being located at upper mold, the positioning dresses in the round hole Set the square groove being equipped in the lower end of cylindrical hole including rack, the diagonal line of the diagonal line of the square groove and four round holes is two-by-two Parallel, rotation axis is deep into across cylindrical hole in square groove, and the position that cylindrical hole bottom end is intersected with the diagonal line of square groove is set Flexible, elastic piece one end connects on the rotating shaft, and the other end is stuck at the vertical seamed edge of square groove.

By using above-mentioned technical proposal, when rotation of the elastic piece in square groove, different positions has different resistances Power can judge the angle of rotation axis rotation by perceiving the resistance that elastic piece is subject to, and the positioning device structure is simply easy Operation.

The utility model is further arranged to：The upper end of the lower die is equipped with the locating piece of the square hole corresponding to sheet metal component.

By using above-mentioned technical proposal, the locating piece of lower die setting can accurately define the opposite position of lower die and the sheet metal component It sets, and the location structure is simple and reliable.

The utility model is further arranged to：The lower die is the cuboid being clamped with the inner cavity of the sheet metal component.

By using above-mentioned technical proposal, lower die and the inner cavity of the sheet metal component are clamped, and are further determined sheet metal component Position, keeps location structure relatively reliable.

The utility model is further arranged to：It is equipped between the lower die and rack and rolls attachment device.

By using above-mentioned technical proposal, the friction between lower die and rack can be reduced, improve the use of rack and lower die Service life.

The utility model is further arranged to：The rolling attachment device includes the contact for being opened in lower die respectively with rack Two corresponding circular grooves up and down on face, the center line of the groove are overlapped with the center line of rotation axis, the groove It is interior to be equipped with ball.

By using above-mentioned technical proposal, the ball in groove can realize the rolling friction between lower die and rack, And this rolling attachment device easy care simple in structure.

The utility model is further arranged to：The rack is equipped with the workbench being located at below lower die, the workbench Upper surface and the lower face of the lower die are coplanar.

By using above-mentioned technical proposal, the workbench of rack setting can play the role of lifting to lower die, prevent lower die worker Inaccurate situation is positioned during work caused by run-off the straight.

In conclusion the utility model has the advantages that：1. the utility model improves pressure in the prior art It is riveted the working efficiency set when being pressed with seat regulation switch shell to motor-car；2. the utility model can move car-seat to this Position regulating switch shell is accurately positioned；3. the utility model is simple in structure easy to operate；4. the structure of the utility model is reliable Easy care.

Description of the drawings

Fig. 1 is the whole shaft side figure of embodiment；

Fig. 2 is the shaft side figure of the lower die and sheet metal component of embodiment；

Fig. 3 is the partial schematic diagram of the upper mold and workbench of embodiment；

Fig. 4 is the shaft side figure of the lower die of embodiment；

Fig. 5 is the partial sectional view of embodiment；

Fig. 6 is the sectional view of the workbench of embodiment.

In figure：1, rack；2, hydraulic cylinder；3, workbench；31, rolling groove one；32, ball；33, cylindrical hole；34, rectangular Slot；4, lower die；41, round hole；42, locating piece；43, rotation axis；431, elastic piece；44, rolling groove two；5, sheet metal component；51, circle Hole；52, square hole；6, upper mold.

Specific implementation mode

The utility model is described in further detail below in conjunction with the accompanying drawings.

Embodiment：A kind of pressure riveting device, as shown in Fig. 1, including rack 1, rack 1 are equipped with vertical hydraulic cylinder 2, liquid The telescopic rod of cylinder pressure 2 is arranged downward and the end of telescopic rod is connected with upper mold 6, and rack 1 is horizontal in being arranged right below for upper mold 6 Workbench 3,3 upper end of workbench are equipped with lower die 4, and 4 upper end of lower die is arranged with sheet metal component 5.

As shown in Fig. 2, which is box-like thin-walled cuboid, one end of bottom surface set there are four circular hole 51, Four circular holes 51 center be located on four vertex of a square, the other end set there are four center be located at it is same rectangular The square hole 52 on four vertex of body；Lower die 4 is a cuboid, and the upper surface of lower die 4 is equipped with 41 He of round hole corresponding to circular hole 51 Corresponding to the locating piece 42 of square hole 52；4 lower end of lower die is equipped with vertical rotation axis 43, and the center line of rotation axis 43 is passed through with four The center of a circular hole 51, the circumferential position of 43 lower end of rotation axis are set there are four the arc elastic piece 431 being vertically arranged, from upper end to Under when seeing, four elastic pieces 431 towards being bent clockwise.

As shown in Fig. 3,3 upper end of workbench is equipped with concentric rolling groove 1 and cylindrical hole 33, cloth in rolling groove 1 The section of full ball 32, rolling groove 1 is half circular arc, and the diameter of the circular arc is equal with the diameter of ball 32.

As shown in Fig. 4, the lower end of lower die 4 is equipped with the rolling groove 2 44 corresponding to rolling groove 1, rolling groove 2 44 Section is half circular arc, and the diameter of the circular arc is equal with the diameter of ball 32.

As shown in Fig. 5, workbench 3 offers the square groove 34 being connected to cylindrical hole 33 in the lower end of cylindrical hole 33, turns Moving axis 43 is deep into 34 bottom of square groove, rotation axis 43 and 33 clearance fit of cylindrical hole across cylindrical hole 33.

As shown in Fig. 6, the center line of the axis with square groove 34 of rotation axis 43 overlaps, and square groove 34 is square slot 34, the center line of upper mold 6 is conllinear with the vertical crest line of 34 upper left side of square groove（Referring to attached drawing 1）, four elastic pieces 431 are uniform to be consolidated It is scheduled in the circumferential direction of rotation axis 43, and four one end of elastic piece 431 far from rotation axis 43 are stuck in four of square groove 34 Edges and corners.

The operation principle of the pressure riveting device is as follows：5 open end of sheet metal component is placed on downward in lower die 4, four positioning are made Block 42 is stuck in four square holes 52, and four sides and upper surface of lower die 4 connect with the medial surface of sheet metal component 5 at this time, lower die 4 Round hole 41 is connected with the circular hole 51 of sheet metal component 5, then the bar portion of four rivets is individually positioned in four circles of sheet metal component 5 In hole 51, stepping on the floor push of pressure riveting device at this time makes the telescopic rod of hydraulic cylinder 2 that upper mold 6 be driven to move downward and pressed Riveting rotates in an anti-clockwise direction lower die 4, at this time due to elastic piece 431 and 34 side of square groove after the completion of the rivet at the position presses It is painstaking that rubbing action between wall rotates comparison, when resistance slowly becomes smaller and hears elastic piece 431 " click " in rotation process A sound, stop operating, step on pressure riveting device floor push make hydraulic cylinder 2 telescopic rod drive upper mold 6 move downward into Row presses, and after the completion of the rivet at the position presses, rotates in an anti-clockwise direction lower die 4, repeats operation, until sheet metal component 5 Four circular holes 51 in rivet press after the completion of, remove the sheet metal component 5 and replace without the sheet metal component 5 to press, in repetition State operating process.

The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to Above-described embodiment, technical solution belonging to the idea of the present invention belong to the scope of protection of the utility model.It should refer to Go out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.

Claims

1. a kind of pressure riveting device, including rack (1), the rack (1) is equipped with vertical hydraulic cylinder (2), and hydraulic cylinder (2) stretches Bar is downward and the lower end of telescopic rod is equipped with upper mold (6), and the rack (1) is equipped with the lower die (4) being located at immediately below upper mold (6), It is characterized in that：The lower die (4) is respectively equipped with the round hole (41) for four circular holes (51) that four correspond to sheet metal component (5), institute It states lower die (4) lower end and is equipped with vertical rotation axis (43), the axis of rotation axis (43) is overlapped with the center line of four circular holes (51), The rack (1) is equipped with the cylindrical hole (33) being rotatablely connected with rotation axis (43).

2. pressure riveting device according to claim 1, it is characterised in that：The rotation axis (43), which is equipped with, limits its rotational angle Positioning device.

3. pressure riveting device according to claim 2, it is characterised in that：There are one be located at upper mold in the round hole (41) (6) underface, the positioning device include the square groove (34) that rack (1) is equipped in the lower end of cylindrical hole (33), this is rectangular The diagonal line of slot (34) and the diagonal line of four round holes (41) are parallel two-by-two, and rotation axis (43) is deep into across cylindrical hole (33) In square groove (34), and the position that cylindrical hole (33) bottom end is intersected with the diagonal line of square groove (34) is equipped with elastic piece (431), bullet Property piece (431) one end is connected in rotation axis (43), and the other end is stuck at the vertical seamed edge of square groove (34).

4. pressure riveting device according to claim 1, it is characterised in that：The upper end of the lower die (4), which is equipped with, corresponds to metal plate The locating piece (42) of the square hole (52) of part (5).

5. pressure riveting device according to claim 1, it is characterised in that：The lower die (4) is interior with the sheet metal component (5) The cuboid of chamber clamping.

6. pressure riveting device according to claim 1, it is characterised in that：It is equipped with and rolls between the lower die (4) and rack (1) Attachment device.

7. pressure riveting device according to claim 6, it is characterised in that：The rolling attachment device includes being opened in down respectively Mould (4) and two mutual corresponding circular grooves up and down on the contact surface of rack (1), the center line of the groove and rotation The center line of axis (43) overlaps, and ball (32) is equipped in the groove.

8. pressure riveting device according to claim 1, it is characterised in that：The rack (1), which is equipped with, to be located at below lower die (4) Workbench (3), the upper surface and the lower face of the lower die (4) of the workbench (3) are coplanar.