CN208217962U - A kind of support end safety chuck for being coated with retractable volume in papermaking - Google Patents

Abstract

The utility model discloses a kind of support end safety chucks for being coated with retractable volume in papermaking, including disk, the disk groove is clamping rubber mat, the disk other end is hinged with short axle, the shaft of short axle runs through disk and rubber mat, the square hole apex angle of the apex angle clamping disk of the groove block of short axle, pass through on the shaft of short axle, bearing connecting flange seat, and its beveled end convex tongue is extend into rubber mat, the outer circlip of clamping in the annular groove of short axle one end, and outer circlip presses contact bearing inner ring, the concordant end of flange seat is bolted end socket by butch haircut interior angle, steel ball is installed in the hole of the lateral roof of disk, spring is installed on steel ball, spring connects the internal screw thread at the top of its hole by brush cut hexagon socket head cap screw, the lower part pin hole of disk connects the cross-drilled hole of short axle groove block lower part by pin rod；With which has a compact structure and a reasonable design, there is threaded hole inside bayonet, the length variation of air-expanding shaft or mandrel is adjusted；Bearing capacity is big, long using the time, and maintenance is simple, and service precision is high, and circumference bounce is small.

Description

A kind of support end safety chuck for being coated with retractable volume in papermaking

Technical field

The utility model relates to retractable volume field of mechanical technique, more particularly to one kind for being coated with and retractable volume in papermaking Support end safety chuck.

Background technique

Safety chuck is the pre-designed solution for supporting material volume and transmitting torque, and standard type safety chuck provides for user Design that is economic and being easy installation provides quick, accurate, safe and easily for connection transmission and the frequent movement being detached from etc Connection transmission and disengaging movement.

Since current safety chuck is made of support end safety chuck and driving end safety chuck, then in support end safety Roller mandrel is clamped between chuck and driving end safety chuck, since the specification of mandrel is different, and core caused by the reasons such as abrasion Shaft end shortens, and causes to generate gap between chuck and mandrel, will will increase from the torque that dynamic safety chuck is transmitted to mandrel is driven, former And the irregular of winding can be generated, or while unreeling increases the amplitude of fluctuation of winding, it makes troubles to postorder production, causes to produce Quality decline etc..

Utility model content

The purpose of this utility model is to provide a kind of support for being coated with retractable volume in papermaking for existing issue Hold safety chuck.

The utility model is achieved through the following technical solutions: a kind of support end for being coated with retractable volume in papermaking Safety chuck, including disk, the groove of described disk one end are clamping rubber mat, and the disk other end is hinged with short axle, the shaft of short axle Through disk and rubber mat, the apex angle of the groove block of short axle is clamped the square hole apex angle of disk, passes through on the shaft of the short axle symmetrical The bearing connecting flange seat of suit, and the beveled end convex tongue of flange seat is extend into rubber mat, in the annular groove of described short axle one end It being clamped outer circlip, and outer circlip presses contact bearing inner ring, the concordant end of the flange seat is bolted end socket by butch haircut interior angle, Steel ball is installed in the hole of the lateral roof of the disk, spring is installed on steel ball, spring connects it by brush cut hexagon socket head cap screw Internal screw thread at the top of hole, the lower part pin hole of the disk connect the cross-drilled hole of short axle groove block lower part by pin rod.

As further improvement of these options, the both ends of the flange seat are socketed bearing, and flange seat inclines Internal jump ring is clamped in the circular groove of splay end, internal jump ring presses contact bearing outer ring.

As further improvement of these options, the steel ball lower part compresses top surface at the top of the groove block at short axle end In dome-type pit slot.

As further improvement of these options, the end socket further includes countersunk head through-hole and retainer ring, the retainer ring one Body is connected to end socket side, and several countersunk head through-holes are arranged in the edge of end socket, and countersunk head through-hole is located at the outside of retainer ring, the end socket Retainer ring be socketed on flange seat and concordantly hold in inner hole, countersunk head through-hole is overlapped with the axial screw hole that flange seat is concordantly held and shares same axis Heart line, and connected by butch haircut hexagon socket head cap screw.

As further improvement of these options, the short axle is made of shaft, transition post, round bar, groove block, institute The positive camber for stating shaft one end is equipped with annular groove, and the other end connects round bar one end by transition post, and the connection of the round bar other end is recessed Geosynclinal block, the groove of groove block pass to the other end of round bar, and inner bolt hole, the groove block is arranged along round bar axial line in the bottom of groove Top surface side and the top of round bar tilt down and be relatively set with inclined surface respectively, simultaneously from the inclination of groove block top surface side Round bar is intersected to the inclined surface of groove block along the inclined surface and round bar top droop for stretching to round bar, the groove block one pushes up plane It is equipped with dome-type pit slot, and is located on the outside of inclined surface, rear and front end is equipped with apex angle on the outside of the groove block top planes.

As further improvement of these options, the inclined surface at the top of the top surface side and round bar of the groove block Between angle be 90 degree.

As further improvement of these options, the main body two sides of the disk are symmetrical arranged circular groove, groove Bottom setting perforation square hole, the quadrangle of square hole are provided with semi arch, and the pin hole of perforation is laterally arranged in the lower body part of the disk, And pin hole is located at square hole lower part.

As further improvement of these options, the flange seat is made of flange and cylinder, and the cylinder runs through Flange and integrally connected, described cylinder one end is concordant end, and end face is uniformly arranged screw hole corresponding with end socket countersunk head through-hole, The cylinder other end is beveled end, and card slot is equipped in the inner hole of cylinder beveled end, is located at several counter sinks on the flange.

As further improvement of these options, when work pushes backward manually opens safety chuck disk, by inflatable The square toes position of axis or other mandrel spindle noses, which is placed in the groove of safety chuck groove block above the groove block of short axle end, blocks Mouthful；Safety chuck disk is moved back into reset, is fixed on the spindle nose of air-expanding shaft or mandrel using the plane and bayonet of disk The center of circle；

When device drives drive end (shaft portion) rotates, bayonet transfers a torque to air-expanding shaft or mandrel, drives material volume Rotation, reaches the requirement for winding/unreeling.

The utility model has the advantage that compared with prior art with which has a compact structure and a reasonable design there is spiral shell inside bayonet Pit can compensate the length variation of air-expanding shaft or mandrel by adjusting screw depth；Bearing capacity is big, is manufactured using high-quality steel, Peculiar structure significant increase load capacity；Long using the time, maintenance is simple, and bayonet high-frequency quenching processing, components can exchange Using keeping its easy to maintenance；Service precision is high, and component chromium plating/nigrescence/quenching keeps its wear-resisting, the high non-deformability of parts precision By force, circumference bounce is small, and the irregular and winding throw amplitude that is unreeling for effectively preventing winding is excessive, so as to prevent product matter Amount decline.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the configuration schematic diagram of Fig. 1.

Fig. 3 is the schematic cross-sectional view of Fig. 1.

Fig. 4 is the right view broken section structural schematic diagram of Fig. 1.

Fig. 5 is the schematic cross-sectional view of end socket in Fig. 1.

Fig. 6 is the overlooking structure diagram of Fig. 1 short-and-medium axle.

Fig. 7 is the schematic cross-sectional view of disk in Fig. 1.

Fig. 8 is the structural schematic diagram of flange seat in Fig. 1.

Fig. 9 is the A-A schematic cross-sectional view of Fig. 8.

Specific embodiment

The present invention will be further described with reference to the accompanying drawing.

As shown in figures 1 to 9, a kind of support end safety chuck for being coated with retractable volume in papermaking, including disk 12, The groove 1202 of described 12 one end of disk is clamping rubber mat 2, and 12 other end of disk is hinged with short axle 3, and the shaft 301 of short axle 3 runs through Disk 12 and rubber mat 2, the apex angle 306 of the groove block 305 of short axle 3 are clamped 1203 apex angle of square hole of disk 12, the axis of the short axle 3 By the 10 connecting flange seat 13 of bearing being symmetrically set on bar 301, and 1302 convex tongue of beveled end of flange seat 13 extend into glue In pad 2, the outer circlip 9 of clamping in the annular groove 302 of described 3 one end of short axle, and outer circlip 9 presses 10 inner ring of contact bearing, the flange seat 13 concordant end connects end socket 1 by corner bolt 8 in butch haircut, installs steel ball 5, steel ball in the hole of the lateral roof of the disk 12 Spring 7 is installed, spring 7 connects the internal screw thread at the top of its hole, the lower part of the disk 12 by brush cut hexagon socket head cap screw 6 on 5 Pin hole 1204 connects the cross-drilled hole of 305 lower part of short axle groove block by pin rod 4.

As further improvement of these options, the both ends of the flange seat 13 are socketed bearing 10, and flange seat Internal jump ring 11 is clamped in the circular groove 1303 of 13 beveled end 1302, internal jump ring 11 presses 10 outer ring of contact bearing.

As further improvement of these options, 5 lower part of steel ball compresses 305 top of groove block at 3 end of short axle In the dome-type pit slot 307 of top surface.

As further improvement of these options, the end socket 1 further includes countersunk head through-hole 101 and retainer ring 102, described Retainer ring 102 is integrally connected to 1 side of end socket, and several countersunk head through-holes 101 are arranged in the edge of end socket 1, and countersunk head through-hole 101 is located at card The outside of circle 102, the retainer ring 102 of the end socket 1 are socketed on flange seat 13 and concordantly hold in inner hole, countersunk head through-hole 101 and flange seat 13 coincidences of axial screw hole 1304 concordantly held share same axial line, and are connected by butch haircut hexagon socket head cap screw 8.

As further improvement of these options, the short axle 3 is by shaft 301, transition post 303, round bar 304, recessed Geosynclinal block 305 forms, and the positive camber of described 301 one end of shaft is equipped with annular groove 302, and the other end passes through the connection circle of transition post 303 304 one end of bar, 304 other end connecting groove block 305 of round bar, the groove of groove block 305 passes to the other end of round bar 304, groove Bottom along round bar axial line, inner bolt hole 310 is set, the top of the top surface side 307 of the groove block 305 and round bar respectively to It is lower to tilt and be relatively set with inclined surface 308, from the inclination of groove block top surface side and along the inclined surface 308 and circle for stretching to round bar Bar top droop intersects at round bar to the inclined surface of groove block 309, and the groove block one pushes up plane and is equipped with dome-type pit slot 307, and it is located at 308 outside of inclined surface, rear and front end is equipped with apex angle 306 on the outside of the groove block top planes.

As further improvement of these options, the top of the top bevel 308 and round bar of the groove block 305 is inclined Angle between inclined-plane 309 is 90 degree.

As further improvement of these options, 1201 two sides of main body of the disk 12 are symmetrical arranged circular groove 1202,1202 bottom of groove setting perforation square hole 1203, the quadrangle of square hole 1203 is provided with semi arch, the main body of the disk 12 The pin hole 1204 of lower, transverse setting perforation, and pin hole 1204 is located at 1203 lower part of square hole.

As further improvement of these options, the flange seat 13 is made of flange and cylinder, and the cylinder passes through Threading method is blue and integrally connected, described cylinder one end are concordantly to hold, and end face is uniformly arranged spiral shell corresponding with end socket countersunk head through-hole Hole 1304, the cylinder other end are beveled end 1302, and card slot 1303 is equipped in the inner hole of cylinder beveled end 1302, is set on the flange In several counter sinks 1301.

As further improvement of these options, when work pushes backward manually opens safety chuck disk, by inflatable The square toes position of axis or other mandrel spindle noses, which is placed in the groove of safety chuck groove block above the groove block of short axle end, blocks Mouthful, and the gap of the groove of mandrel and groove block can be adjusted by the bolt 14 in groove block；By safety chuck disk to return Reset is stirred, the spindle nose of air-expanding shaft or mandrel is fixed on the center of circle using the plane and bayonet of disk；

When device drives drive end (shaft portion) rotates, bayonet transfers a torque to air-expanding shaft or mandrel, drives material volume Rotation, reaches the requirement for winding/unreeling.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (8)

1. a kind of support end safety chuck for being coated with retractable volume in papermaking, including disk, which is characterized in that the disk The groove of one end is clamping rubber mat, and the disk other end is hinged with short axle, and the shaft of short axle runs through disk and rubber mat, the groove block of short axle Apex angle clamping disk square hole apex angle, by the bearing connecting flange seat being symmetrically set on the shaft of the short axle, and flange The beveled end convex tongue of seat is extend into rubber mat, the outer circlip of clamping in the annular groove of described short axle one end, and in outer circlip pressure contact bearing The concordant end of circle, the flange seat is bolted end socket by butch haircut interior angle, installs steel in the hole of the lateral roof of the disk Ball installs spring on steel ball, and spring connects the internal screw thread at the top of its hole, the lower part of the disk by brush cut hexagon socket head cap screw Pin hole connects the cross-drilled hole of short axle groove block lower part by pin rod.

2. a kind of support end safety chuck for being coated with retractable volume in papermaking according to claim 1, feature exist In the both ends of the flange seat are socketed bearing, and are clamped internal jump ring in the circular groove of the beveled end of flange seat, internal jump ring pressure touching Bearing outer ring.

3. a kind of support end safety chuck for being coated with retractable volume in papermaking according to claim 1, feature exist In the steel ball lower part compresses at the top of the groove block at short axle end in the dome-type pit slot of top surface.

4. a kind of support end safety chuck for being coated with retractable volume in papermaking according to claim 1, feature exist In the end socket further includes countersunk head through-hole and retainer ring, and the retainer ring is integrally connected to end socket side, if the edge of end socket is arranged Dry countersunk head through-hole, and countersunk head through-hole is located at the outside of retainer ring, the retainer ring of the end socket is socketed on flange seat and concordantly holds in inner hole, sinks Head through-hole is overlapped with the axial screw hole that flange seat is concordantly held shares same axial line, and is connected by butch haircut hexagon socket head cap screw.

5. a kind of support end safety chuck for being coated with retractable volume in papermaking according to claim 1, feature exist In, the short axle is made of shaft, transition post, round bar, groove block, and the positive camber of described shaft one end is equipped with annular groove, The other end connects round bar one end, round bar other end connecting groove block by transition post, and the groove of groove block passes to the another of round bar Inner bolt hole is arranged along round bar axial line in end, the bottom of groove, and the top of the top surface side of the groove block and round bar is separately down Inclined surface is tilted and be relatively set with, is inclined from the inclination of groove block top surface side and at the top of the inclined surface and round bar for stretching to round bar The inclined surface of oblique groove block intersects at round bar, and the groove block one pushes up plane and is equipped with dome-type pit slot, and is located at inclined surface Outside, rear and front end is equipped with apex angle on the outside of the groove block top planes.

6. a kind of support end safety chuck for being coated with retractable volume in papermaking according to claim 5, feature exist In the angle between the inclined surface at the top of the top surface side and round bar of the groove block is 90 degree.

7. a kind of support end safety chuck for being coated with retractable volume in papermaking according to claim 1, feature exist In the main body two sides of the disk are symmetrical arranged circular groove, and bottom portion of groove setting perforation square hole, the quadrangle of square hole is provided with Semi arch, the lower body part pin hole that laterally setting penetrates through of the disk, and pin hole is located at square hole lower part.

8. a kind of support end safety chuck for being coated with retractable volume in papermaking according to claim 1, feature exist In the flange seat is made of flange and cylinder, and for the cylinder through flange and integrally connected, described cylinder one end is concordant End, and end face is uniformly arranged screw hole corresponding with end socket countersunk head through-hole, the cylinder other end are beveled end, cylinder beveled end it is interior It is equipped with card slot in hole, is located at several counter sinks on the flange.