CN209393865U - A kind of riveter - Google Patents

Abstract

The utility model provides a kind of riveter, belongs to field of mechanical technique.It solves the problems, such as that the connection between existing disc and crankshaft is not secured enough.It includes rack and the mounting blocks and spindle box that are all set in rack, mounting hole is provided through on mounting blocks along the vertical direction, the main shaft that can be moved up and down is equipped in spindle box, main shaft lower end extends to outside spindle box, and the swivel head that can be rotated is connected in main shaft lower end, the lower end of swivel head is equipped with two locating pieces, the pinch roller being able to rotate is connected separately on the inside of two locating pieces, it is equipped with annular convex on the outer peripheral surface of two pinch rollers and the motion profile of two annular convex coincides when spin head, the oriented inclined compressive plane of locating piece lateral direction is all provided on the inside of two annular convex.It has many advantages, such as that high, easy to operate, after rotation riveting between crankshaft and disc the connectivity robustness of rotation riveting precision is good.

Description

A kind of riveter

Technical field

The utility model belongs to field of mechanical technique, is related to a kind of riveter.

Background technique

Crankshaft is most important component in engine, it bears the power that connecting rod transmitting comes, and is transformed into torque and passes through Crankshaft exports and other attachmentes on engine is driven to work.For at present, crankshaft is all made of composition, it includes two cranks And it is connected to the crankpin between two cranks, connecting rod set is provided with connecting rod on the crankshaft pin and between connecting rod and crankpin Bearing, two of them crank include axle portion and the link block that is fixedly connected with axle portion again, and in order to smoothly to connecting rod into Row lubrication, generally all can machine oil to facilitate be introduced crankshaft through oil duct out of crankcase by processing oil duct in an axle portion wherein It is interior, and be introduced into crankpin by oil duct, finally by outflow on the outside of crankpin to be lubricated to the connecting-rod bearing.

Since the machine oil in crankcase can be mixed into some engine oil impurities after the process for contacting and lubricating with other component, Therefore in order to enable machine oil neatly to flow into crankpin, it will usually it is set in crankshaft and is arranged disc in vittate axle portion, Crankpin and oil duct are connected by disc, and when engine operation, food tray is constantly rotated with crankshaft, in oil duct Machine oil enters in food tray, and the machine oil containing impurity is thrown to the edge of food tray by centrifugal force, while more clean Machine oil can then enter in crankpin, such as application No. is the crankshaft food trays disclosed in 201320471927.4.Oil is got rid of in order to realize Positioning of the disk on crankshaft, it is currently used be all with set the link block end face that vittate axle portion is connected cavity be set, Will disc be pressed into cavity in, then processed between positioning chamber port and disc manually by staff again riveting point with Fix crankshaft mutually with disc.Since the mode of manual riveting point is harder, in order to improve the production efficiency, staff It is general only to process 3-5 riveting point, but due to riveting point mode contact area very little after all, it finds to hold very much in subsequent use process Easily there is the case where disc and crankshaft disengagement, i.e. connection between disc and crankshaft is not secured enough.

Summary of the invention

The purpose of this utility model is in view of the above-mentioned problems existing in the prior art, to propose a kind of riveter, to be solved Certainly the technical issues of is the connectivity robustness how improved between crankshaft and disc.

The purpose of this utility model can be realized by the following technical scheme:

A kind of riveter, including rack and the mounting blocks and spindle box that are all set in rack, along vertical on mounting blocks Direction is provided through mounting hole, is equipped with the main shaft that can be moved up and down in spindle box, which is characterized in that the main shaft lower end It extends to outside spindle box, and is connected with the swivel head that can be rotated in main shaft lower end, the lower end of swivel head is equipped with two locating pieces, and two is fixed It is connected separately with the pinch roller being able to rotate on the inside of the block of position, annular convex is equipped on the outer peripheral surface of two pinch rollers and works as spin head When two annular convex motion profile coincide, the oriented inclined extruding of locating piece lateral direction is all provided on the inside of two annular convex Face.

Disc is set to crankshaft and opens up in vittate axle portion and be pressed onto the link block end face fovea superior being connected with the axle portion After in the positioning chamber entered, rotation riveting is carried out so that disc to be fixed using this riveter.Before revolving riveting, need advanced to crankshaft Row machining, mach purpose mainly with open up on the link block end face that vittate axle portion is connected close to positioning chamber Place processes endless groove, by the setting of endless groove will make endless groove close to positioning chamber side cell wall and positioning cavity wall it Between form the relatively thin entity structure of wall ratio, crankshaft is fixed on mounting blocks after rack work.Crankshaft does not offer oil duct Axle portion be inserted into the mounting hole on mounting blocks Nei to be positioned to crankshaft, be connected on crankshaft with the axle portion for being not provided with oil duct Link block end face be resisted against the upper surfaces of mounting blocks, then control main shaft and be inconjunction with swivel head and be moved downward on the outside of two pinch rollers Annular convex be located in endless groove.Then, spin head is controlled, swivel head drives the rotation of two locating pieces, allows in this way Annular convex on the outside of two pinch rollers moves in a circle respectively along endless groove.Due to being all provided with oriented positioning on the inside of two annular convex The inclined compressive plane of block lateral direction, therefore compressive plane will be with endless groove during two annular convex move in a circle Close to positioning chamber side cell wall lean and apply inside extruding force to it carry out rotation riveter make, with main shaft on one side to Lower movement and two annular convex constantly move in a circle, which can make endless groove close to the side cell wall of positioning chamber and determine The relatively thin entity structure upper end of wall ratio is formed by between the cavity wall of position and is inwardly formed cyclic annular flange, thus by disc and song Axis is fixed together.

This riveter is moved in a circle respectively by the annular convex on the outside of two pinch rollers come to structure corresponding on crankshaft It is squeezed to automatically form cyclic annular flange, it is middle compared with the prior art to use riveting point mode for disc is fixed, Since the contact area that rotation riveting is formed by cyclic annular flange and disc is bigger, improve well disc and crankshaft it Between connectivity robustness.

In above-mentioned riveter, coupling sleeve is fixed with outside the main shaft lower end, swivel head includes head and is connected In head upper end and outer diameter is less than the bar portion on head, and bar portion upper end is protruded into coupling sleeve and bar portion upper end and coupling sleeve axially limit Position, bar portion upper end are arranged with bearing, and bearing lateral surface leans with coupling sleeve inner wall.

Fixed connection set outside main shaft lower end, the bar portion upper end of swivel head is protruded into coupling sleeve and bar portion upper end and coupling sleeve axis To limit, moved down then swivel head can be driven to synchronize by coupling sleeve when main shaft is moved down；Simultaneously because bar portion upper end It is arranged with bearing, bearing lateral surface leans with coupling sleeve inner wall, it is meant that after main shaft drives swivel head to move down in place, rotation Head can individually rotate to carry out rotation riveting to form cyclic annular flange, to improve the company between disc and crankshaft again relative to main shaft Connect fastness.

In above-mentioned riveter, the coupling sleeve lower end is fixed with connecting plate, is fixed with rotating electric machine on connecting plate, Be fixed with driving pulley on the output shaft of rotating electric machine, be fixed with driven pulley in the bar portion of swivel head, driving pulley with it is driven Power is transmitted by synchronous belt between belt wheel.

It is fixed with rotating electric machine on coupling sleeve lower end fixed connecting plate, connecting plate, when main shaft drives swivel head to moving down It rotating electric machine is able to drive by connecting plate while dynamic synchronizes and move down, can thus make between rotating electric machine and swivel head Position remains unchanged, and rotating electric machine starting, the output shaft band of rotating electric machine then can be controlled after swivel head is mobile in place Dynamic driving pulley rotates and drives driven pulley and spin head by synchronous belt, thus real during spin head Now automatic riveting improves the connectivity robustness between disc and crankshaft to form cyclic annular flange.

In above-mentioned riveter, the head lower end face be equipped with two symmetrical sliding slots and two sliding slots open up to The lateral surface on head, two locating piece upper ends are equipped with the sliding block being inwardly caught in sliding slot on the outside of head.

Two symmetrical sliding slots are set on the outside of head, and two locating pieces on the outside of head by being inwardly caught in sliding slot Sliding block and be connected in two sliding slots in head lower end face, in this way when the Crankshaft Sizes difference for the riveting of being revolved, staff can be with It is moved by locating piece along sliding slot to adjust the position of two pinch rollers, so that it is guaranteed that two pinch rollers can be accurately when spin head Rotation riveting is carried out to position corresponding on crankshaft, ensure that rotation riveting simultaneously in the connectivity robustness improved between disc and crankshaft Precision, and applicability is wider.

In above-mentioned riveter, the number of bearings is two, spacer is also arranged in bar portion, spacer is located at two axis Between holding, the bar portion upper end external screw thread is connected with screwed retaining ring, is equipped on the outside of bar portion upper end towards screwed retaining ring lower end The annular stop face in face, the bearing upper surface being located above lean with screwed retaining ring lower end surface, underlying bearing lower end Face leans with annular stop face.

Bar portion upper end external screw thread connects screwed retaining ring, and the annular towards screwed retaining ring lower end surface is equipped on the outside of bar portion upper end Confined planes, the bearing upper surface being located above lean with screwed retaining ring lower end surface, underlying bearing lower end surface and annular Confined planes lean, that is to say, that are matched using screwed retaining ring with annular stop face and carried out axis in bar portion to two bearings To limit, improved between disc and crankshaft to guarantee that swivel head can be rotated successfully with forming cyclic annular flange Connectivity robustness.

In above-mentioned riveter, there is gap, the connection between the bar portion upper surface and main shaft lower end surface It covers lower end inside and is equipped with annular shoulder block, underlying bearing lower end surface leans with annular shoulder block.

In coupling sleeve lower end inside, annular shoulder block is set, underlying bearing lower end surface leans with annular shoulder block, this Sample can prevent swivel head from mutually disengaging with coupling sleeve；There is between bar portion upper surface and main shaft lower end surface gap simultaneously, work as main shaft When being displaced downwardly to two pinch rollers and being in contact with the link block of crankshaft, swivel head can be made to form short-range floating by the gap, this Sample can form certain buffer function, avoid contact with moment and cause biggish impact to crankshaft, improve disc and crankshaft It ensure that the reliability of processing while connectivity robustness.

In above-mentioned riveter, this riveter further includes the press fitting sleeve of upper end closed and lower ending opening, the pressure Sleeved lower end surface edge is equipped with collar flange, is pressed the outer diameter of sleeve less than the distance between two pinch roller opposite side faces, master Be equipped with the apical axis that can be moved up and down in axis, be provided through along the vertical direction on swivel head and allow bit port, apical axis lower end from Bit port is allowed to extend to outside swivel head lower end.

After crankshaft is placed on mounting blocks, first press fitting sleeve is covered and is set in vittate axle portion in crankshaft, pressing sleeve is set to On the collar flange insertion disc at cylinder lower end surface edge in corresponding cavity, then controls apical axis and move down, apical axis lower end It is resisted against on the upper end of press fitting sleeve and is continuously applied downward active force on disc, then control main shaft again and move down And spin head come complete rotation riveting.Downward active force is continuously applied keep disc using apical axis during rotation riveting It is fixed, rotation riveting precision is further improved while improving the production efficiency, ensure that the connection jail between disc and crankshaft Solidity, and since press fitting sleeve outer diameter is less than the distance between two pinch roller opposite side faces, so that press fitting sleeve can't shadow The rotation riveter rung to two pinch rollers makees.

In above-mentioned riveter, two support plates and tension spring are additionally provided in the rack, support plate is located at mounting blocks Two sides are equipped with snap-gauge between two support plates, and snap-gauge one end is hinged on the upper surface of one of support plate, when snap-gauge is around hinged Can have always under the elastic force effect of tension spring to close to installation close to or far from the mounting hole on mounting blocks, snap-gauge when spot wobble The trend that hole direction is swung.

Before placing crankshaft, first snap-gauge is pushed aside to far from mounting hole direction, after then crankshaft is placed on mounting blocks Snap-gauge is unclamped again, snap-gauge tension spring elastic force effect under just to close to mounting hole direction swing and snap on crankshaft two Between a link block, crankshaft can be supported using snap-gauge during revolving riveting, be avoided because utilizing this riveter in this way To the automatic rotation riveting of crankshaft progress, to crankshaft, this body structure is impacted.

In above-mentioned riveter, the rack is equipped with sliding rail, sliding rail be equipped with can along sliding rail to close or Slide plate far from the sliding of swivel head direction, mounting blocks and two support plates are each attached on slide plate, through setting and installation on slide plate The relief hole of hole face, limited block is fixed in rack, and limited block upper surface is lower than the lower end surface of slide plate, is equipped on the outside of limited block Limiting slot can be such that the axle portion of crankshaft is caught in limiting slot when slide plate is to close to the sliding of swivel head direction.

Since crankshaft has certain length, if mounting blocks to be directly fixed on to the lower section of swivel head, then will be bent It is possible that the case where crankshaft and swivel head are interfered when axis is placed on mounting blocks, therefore sliding rail is set on the rack and in cunning Setting can be along sliding rail to the slide plate slided close to or far from swivel head direction on rail, and mounting blocks are fixed on slide plate, in this way Slide plate can be first passed through when needing to place crankshaft along slide plate slides so that mounting blocks are far from swivel head, so as to avoid song Interfere when axis is placed on mounting blocks with swivel head, again by slide plate again to close to swivel head direction after crankshaft placement Sliding is so that crankshaft is located at the lower section of swivel head and main shaft.

In addition, fixing limited block on the rack and limiting slot being arranged on the outside of limited block, while setting and installation on slide plate The relief hole that mounting hole on block faces, after such crankshaft is placed on mounting blocks, under the not set vittate axle portion of crankshaft End extends to outside slide plate lower end surface through mounting hole and relief hole, then crankshaft is not set when slide plate is to close to the movement of swivel head direction Vittate axle portion lower end can be caught in not in place to avoid slide plate slides in limiting slot, ensure that two pinch rollers and crankshaft Upper corresponding position face is to guarantee to revolve riveting precision.

Compared with prior art, this riveter is moved in a circle respectively by the annular convex on the outside of two pinch rollers come to crankshaft Upper corresponding structure is squeezed to automatically form cyclic annular flange, since rotation riveting is formed by connecing for cyclic annular flange and disc Contacting surface product is bigger, therefore improves the connectivity robustness between disc and crankshaft well.In addition, passing through locating piece and rotation Head is slidably connected, the setting of slide plate and the setting of limited block, it is ensured that rotation riveting precision.

Detailed description of the invention

Fig. 1 is the schematic diagram of this riveter main view.

Fig. 2 is the enlarged drawing in Fig. 1 at A.

Fig. 3 is the enlarged drawing in Fig. 1 at mounting blocks.

Fig. 4 is the schematic side view in this riveter at mounting blocks.

Fig. 5 is the schematic top plan view in this riveter at mounting blocks.

Fig. 6 is schematic diagram when pinch roller has just carried out rotation riveting.

Fig. 7 is that pinch roller completes the schematic diagram after rotation riveting.

In figure, 1, rack；1a, bar shaped recessing groove；2, spindle box；3, mounting blocks；3a, mounting hole；4, main shaft；5, it rotates Head；5a, head；5b, bar portion；6, locating piece；7, pinch roller；7a, annular convex；7a1, compressive plane；8, coupling sleeve；8a, annular gear Shoulder；9, bearing；10, connecting plate；11, rotating electric machine；12, driving pulley；13, driven pulley；14, synchronous belt；15, spacer；16, Screwed retaining ring；17, it is pressed sleeve；17a, collar flange；18, apical axis；19, support plate；20, tension spring；21, snap-gauge；22, sliding rail； 23, slide plate；24, limited block；24a, limiting slot；25, hydraulic cylinder；26, cylinder；27, positioning screw；28, wheel shaft；29, crankshaft； 29a, endless groove；29b, cyclic annular flange；30, disc.

Specific embodiment

It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further Description, but the utility model is not limited to these examples.

As depicted in figs. 1 and 2, a kind of riveter, including rack 1, rack 1 are equipped with spindle box 2, are equipped in spindle box 2 The main shaft 4 that can be moved up and down, 2 upper end of spindle box are fixed with hydraulic cylinder 25, and output shaft and 4 phase of main shaft of hydraulic cylinder 25 are fixed, 4 lower end of main shaft extends to outside spindle box 2, and 4 lower end of main shaft is connected with the swivel head 5 that can be rotated.

As depicted in figs. 1 and 2, specifically, 4 lower end external screw thread of main shaft is connected with coupling sleeve 8, and swivel head 5 includes head 5a and it is fixed on the bar portion 5b that the head upper end 5a and outer diameter are less than head 5a, bar portion 5b is protruded into upper end in coupling sleeve 8 and bar portion The upper end 5b and 8 axial limiting of coupling sleeve, the upper end bar portion 5b are arranged with bearing 9, and 9 lateral surface of bearing leans with 8 inner wall of coupling sleeve. 9 quantity of bearing is two, and the upper end bar portion 5b is also arranged with spacer 15, and spacer 15 is between two bearings 9, the upper end of bar portion 5b External screw thread is connected with screwed retaining ring 16, and the annular stop face towards 16 lower end surface of screwed retaining ring, position are equipped on the outside of the upper end bar portion 5b It leans in 9 upper surface of bearing of top with 16 lower end surface of screwed retaining ring, underlying 9 lower end surface of bearing and annular stop face It leans.There is gap, 8 lower end inside of coupling sleeve is equipped with annular shoulder block 8a, position between 4 lower end surface of the upper surface bar portion 5b and main shaft It leans in 9 lower end surface of bearing of lower section with annular shoulder block 8a.

As shown in Fig. 2, the lower end surface of head 5a is connected with two locating pieces 6, two locating pieces 6 are symmetrical arranged, two locating pieces 6 Inside passes through the pinch roller 7 that wheel shaft 28 is connected with rotation respectively, annular convex 7a is equipped on the outer peripheral surface of two pinch rollers 7, and when rotation The motion profile of two annular convex 7a coincides when rotary head 5 rotates, and oriented 6 outside of locating piece is all provided on the inside of two annular convex 7a The inclined compressive plane 7a1 in direction.In the present embodiment, the lower end surface head 5a is equipped with two symmetrical sliding slots, and two sliding slots are opened If two locating pieces, 6 upper end is equipped with the sliding block being inwardly caught in sliding slot on the outside of the 5a of head to the lateral surface of head 5a.

As depicted in figs. 1 and 2,8 lower end of coupling sleeve is fixed with connecting plate 10, and the upper surface of connecting plate 10 is fixed with electric rotating Machine 11, the output shaft of rotating electric machine 11 extend to outside the lower end surface of connecting plate 10, are fixed on the output shaft of rotating electric machine 11 actively Belt wheel 12 is fixed with driven pulley 13 on the bar portion 5b of swivel head 5, passes through synchronous belt between driving pulley 12 and driven pulley 13 14 transmitting power.

Shown in as shown in Figure 1, Figure 3 and Figure 4, sliding rail 22 is additionally provided in rack 1, sliding rail 22 is located at below spindle box 2, on sliding rail 22 Equipped with mounting blocks 3 can be fixed on slide plate 23 along sliding rail 22 to the slide plate 23 slided close to or far from 5 direction of swivel head, Mounting hole 3a is provided through on mounting blocks 3 along the vertical direction.Limited block 24 is fixed in rack 1,24 upper surface of limited block is low In the lower end surface of slide plate 23, it is equipped with limiting slot 24a on the outside of limited block 24, is provided through and mounting hole 3a face on slide plate 23 Relief hole is provided through the bar shaped recessing groove 1a along 23 moving direction of slide plate arrangement in the rack 1 where sliding rail 22.

As shown in Fig. 3, Fig. 4 and Fig. 5, two support plates 19 disposed in parallel, two support plates 19 are further fixed on slide plate 23 Snap-gauge 21 is equipped between the two sides of mounting blocks 3, two support plates 19,21 one end of snap-gauge is hinged on the upper of one of support plate 19 End face, can be close to or far from the mounting hole 3a on mounting blocks 3 when snap-gauge 21 is around hinged spot wobble.It is fixed to be fixed on slide plate 23 Position screw 27 is connected with tension spring 20 between 21 other end of snap-gauge and positioning screw 27, and snap-gauge 21 is acted in the elastic force of tension spring 20 Under always have to close to the direction mounting hole 3a swing trend.

Shown in as shown in Figure 1, Figure 3 and Figure 4, this riveter further includes the press fitting sleeve 17 of upper end closed and lower ending opening, press fitting 17 lower end surface edge of sleeve is equipped with collar flange 17a, be pressed the outer diameter of sleeve 17 less than between two pinch rollers, 7 opposite side face away from From being equipped with the apical axis 18 that can be moved up and down in main shaft 4, the upper end of hydraulic cylinder 25 is fixed with cylinder 26, the piston of cylinder 26 Bar passes through the piston rod of hydraulic cylinder 25 and fixes with 18 phase of apical axis, is provided through along the vertical direction on swivel head 5 and allows bit port, 18 lower end of apical axis allows bit port to extend to outside 5 lower end of swivel head certainly.

As shown in Figure 6 and Figure 7, disc 30 is set to crankshaft 29 and opens up in vittate axle portion and be pressed onto and is connected with the axle portion After recessed positioning chamber is interior on the link block end face connect, rotation riveting is carried out so that disc 30 to be fixed using this riveter.? Before revolving riveting, need first to be machined out crankshaft 29, mach purpose mainly with open up vittate axle portion and be connected Link block end face on process endless groove 29a at the positioning chamber, endless groove 29a will be made by the setting of endless groove 29a The relatively thin entity structure of wall ratio is formed between the side cell wall and positioning cavity wall of positioning chamber, it will after 1 work of rack Crankshaft 29 is fixed on mounting blocks 3.

When fixed crankshaft 29, first slide plate 23 is pulled out along to the direction far from swivel head 5, then by snap-gauge 21 to far from installation The direction of hole 3a is pushed aside, and then the not set vittate axle portion of crankshaft 29 is put into mounting hole 3a to determine crankshaft 29 , the link block end face being connected on crankshaft 29 with not set vittate axle portion is resisted against on the upper surface of mounting blocks 3, then loose Snap-gauge 21 is opened, snap-gauge 21 can swing to the direction close to mounting hole 3a under the elastic force effect of tension spring 20 and snap on crankshaft 29 Two link blocks between, so crankshaft 29 is just positioned, while the support of crankshaft 29 is formd using snap-gauge 21.

As shown in Figure 3 and Figure 4, slide plate 23 after the installation is completed, is pushed into song along to the direction close to swivel head 5 by crankshaft 29 The not set vittate axle portion of axis 29 is caught in the limiting slot 24a of 24 side of limited block.Then, staff will be pressed sleeve 17 It covers and is set in vittate axle portion in crankshaft 29, the collar flange 17a set on press fitting 17 lower end surface edge of sleeve is embedded in disc 30 In upper corresponding cavity, then staff controls the starting of cylinder 26 to drive apical axis 18 to move down, 18 lower end of apical axis against Downward active force is continuously applied on disc 30 in the upper end of press fitting sleeve 17, to guarantee that it is solid that disc 30 is able to maintain It is fixed motionless.

As shown in fig. 6, apical axis 18 head on press fitting sleeve 17 disc 30 is fixed after, staff control hydraulic cylinder 25 To drive main shaft 4 to move down, swivel head 5 is connected to 4 lower end of main shaft for starting, therefore swivel head 5 is as main shaft 4 is together to moving down It is dynamic.When the annular convex 7a that main shaft 4 is displaced downwardly to two pinch rollers, 7 outside is located in endless groove 29a machined on crankshaft 29, Staff controls rotating electric machine 11 and starts.The output shaft of rotating electric machine 11 drives driving pulley 12 to rotate synchronously, and passes through Power is transferred on driven pulley 13 by synchronous belt 14, to make driven pulley 13 that swivel head 5 be driven to rotate.

As shown in fig. 7, swivel head 5 will drive the rotation of two locating pieces 6, the annular convex in two pinch rollers, 7 outside is allowed in this way 7a moves in a circle respectively along endless groove 29a.Incline due to being all provided with oriented 6 lateral direction of locating piece on the inside of two annular convex 7a Oblique compressive plane 7a1, therefore compressive plane 7a1 will be with endless groove 29a during two annular convex 7a move in a circle It leans close to the side cell wall of positioning chamber and applies inside extruding force to it to carry out rotation riveter and make, which can make ring Shape slot 29a close to positioning chamber side cell wall and positioning cavity wall between be formed by the relatively thin entity structure upper end of wall ratio to The cyclic annular flange 29b of interior formation, so that disc 30 and crankshaft 29 are fixed together.

The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.

Claims (9)

1. a kind of riveter, including rack (1) and the mounting blocks (3) being all set on rack (1) and spindle box (2), installation It is provided through along the vertical direction on block (3) mounting hole (3a), the main shaft (4) that can be moved up and down is equipped in spindle box (2), It is characterized in that, the main shaft (4) lower end extends to spindle box (2) outside, and is connected with the rotation that can be rotated in main shaft (4) lower end The lower end of head (5), swivel head (5) is equipped with two locating pieces (6), and two locating pieces are connected separately with the pinch roller being able to rotate on the inside of (6) (7), annular convex (7a) and two annular convex (7a) when swivel head (5) rotation are equipped on the outer peripheral surface of two pinch rollers (7) Motion profile coincides, and the inclined compressive plane of oriented locating piece (6) lateral direction is all provided on the inside of two annular convex (7a) (7a1)。

2. riveter according to claim 1, which is characterized in that be fixed with coupling sleeve outside described main shaft (4) lower end (8), swivel head (5) includes head (5a) and is fixed on the head upper end (5a) and bar portion (5b) of the outer diameter less than head (5a), The upper end bar portion (5b) is protruded into coupling sleeve (8) and the bar portion upper end (5b) and coupling sleeve (8) axial limiting, and the upper end bar portion (5b) is arranged Have bearing (9), bearing (9) lateral surface leans with coupling sleeve (8) inner wall.

3. riveter according to claim 2, which is characterized in that described coupling sleeve (8) lower end is fixed with connecting plate (10), it is fixed with rotating electric machine (11) on connecting plate (10), driving pulley (12) is fixed on the output shaft of rotating electric machine (11), It is fixed with driven pulley (13) in the bar portion (5b) of swivel head (5), by same between driving pulley (12) and driven pulley (13) Step band (14) transmits power.

4. riveter according to claim 2, which is characterized in that it is symmetrical that the head lower end surface (5a) is equipped with two Sliding slot and two sliding slots open up to the lateral surface of head (5a), two locating pieces (6) upper end is equipped with lateral outside from head (5a) The sliding block being inside caught in sliding slot.

5. according to riveter described in Claims 2 or 3 or 4, which is characterized in that bearing (9) quantity is two, bar portion It is also arranged on (5b) spacer (15), spacer (15) is located between two bearings (9), and the bar portion (5b) upper end external screw thread connects It is connected to screwed retaining ring (16), the annular stop face towards screwed retaining ring (16) lower end surface is equipped on the outside of the upper end bar portion (5b), is located at Bearing (9) upper surface of top leans with screwed retaining ring (16) lower end surface, and underlying bearing (9) lower end surface and annular limit Plane leans.

6. riveter according to claim 5, which is characterized in that the bar portion upper surface (5b) and main shaft (4) lower end There is gap, the coupling sleeve (8) lower end inside is equipped with annular shoulder block (8a), underlying bearing (9) lower end between face Face leans with annular shoulder block (8a).

7. riveter according to claim 1, which is characterized in that this riveter further includes upper end closed and lower ending opening It is pressed sleeve (17), press fitting sleeve (17) the lower end surface edge is equipped with collar flange (17a), is pressed the outer diameter of sleeve (17) Less than the distance between two pinch rollers (7) opposite side face, it is equipped with the apical axis (18) that can be moved up and down in main shaft (4), is rotated It is provided through along the vertical direction on head (5) and allows bit port, apical axis (18) lower end is from allowing bit port to extend to swivel head (5) lower end Outside.

8. riveter according to claim 1, which is characterized in that be additionally provided with two support plates (19) in the rack (1) With tension spring (20), support plate (19) is located at the two sides of mounting blocks (3), is equipped with snap-gauge (21) between two support plates (19), snap-gauge (21) one end is hinged on the upper surface of one of support plate (19), can be close or remote when snap-gauge (21) is around hinged spot wobble From the mounting hole (3a) on mounting blocks (3), snap-gauge (21) has always under the elastic force effect of tension spring (20) to close to mounting hole The trend that the direction (3a) is swung.

9. riveter according to claim 8, which is characterized in that the rack (1) is equipped with sliding rail (22), sliding rail (22) be equipped with can along sliding rail (22) to the slide plate (23) slided close to or far from swivel head (5) direction, mounting blocks (3) and Two support plates (19) are each attached on slide plate (23), through the relief hole of setting and mounting hole (3a) face, machine on slide plate (23) It is fixed on frame (1) limited block (24), limited block (24) upper surface is lower than the lower end surface of slide plate (23), sets on the outside of limited block (24) There is limiting slot (24a), the axle portion of crankshaft (29) can be made to be caught in limit when slide plate (23) is to close to the sliding of swivel head (5) direction In slot (24a).