CN102490152A

CN102490152A - Handheld multi-jaw hydraulic chuck die changer

Info

Publication number: CN102490152A
Application number: CN2011104351643A
Authority: CN
Inventors: 庄如云; 严思杰
Original assignee: YUHUAN COUNTY RUIKUN MACHINERY PLANT; Huazhong University of Science and Technology
Current assignee: YUHUAN COUNTY RUIKUN MACHINERY PLANT; Huazhong University of Science and Technology
Priority date: 2011-12-23
Filing date: 2011-12-23
Publication date: 2012-06-13
Anticipated expiration: 2031-12-23
Also published as: CN102490152B

Abstract

The invention provides a handheld multi-jaw hydraulic chuck die changer. The die changer comprises a main body, an adjusting rod, a rear cover plate, a nut, a sliding core, cylindrical dowels, a handle and a slider, wherein the handle is arranged in a mounting hole in the circumferential surface of the main body, the sliding core is arranged in a through hole in the center of the main body, a wedge-shaped structure at the lower end of the slider is arranged in a groove in the circumferential surface of the main body, a wedge-shaped structure arranged at the side part of the slider is arranged in a wedge-shaped groove in the circumferential surface of the sliding core, the contact surfaces between the wedge-shaped structure at the side part of the slider and the wedge-shaped groove of the sliding core at the positions a, b and c are all slopes, the cylindrical dowels are all arranged in mounting hole in the upper end face of the slider, the top of the adjusting rod is arranged in a through hole in the center of the sliding core, a thread at the upper end of the adjusting rod is matched with a threaded hole in the center of the nut, the rear cover plate is arranged on the lower end face of the main body, and a threaded hole in the rear cover plate is matched with a thread in the middle of the adjusting rod. The handheld multi-jaw hydraulic chuck die changer disclosed by the invention is simple in integral structure, short in operation time and high in dismounting and mounting efficiency and can be used for dismounting and mounting clamp chuck conveniently and easily.

Description

Hand-held multijaw hydraulic chuck die change device

Technical field

The present invention relates to a kind of die change device, be specifically related to a kind of hand-held multijaw hydraulic chuck die change device, belong to die change device technical field.

Background technology

Hydraulically operated fixture is widely used in industry, and hydraulically operated fixture generally is divided into universal anchor clamps and tailored version anchor clamps according to function, and specific hydraulic ball cage anchor clamps product uses comparatively extensive in processing ball cage workpiece.The most amounts of domestic industry converted products kind are few, and the frequency of changing hydraulic chuck is high, and hydraulic chuck is often adopted the staff dismounting; But often the time of chuck dismounting is long; The dismounting difficulty is big and inconvenient, and working efficiency is low, and brings damage in artificial dismounting, often for the hydraulic pressure chuck.External problem to the remover-and-replacer chuck adopts comparatively advanced pneumatic and hydraulic pressure combining mechanism, and efficient is higher, and automaticity is good, but costs an arm and a leg, and is difficult to shared between the multiple devices.

Summary of the invention

In view of this, the invention provides a kind of hand-held multijaw hydraulic chuck die change device, can overcome that external existing high end equipment costs an arm and a leg, the low problem of shared property, separating never simultaneously, the employing instrument carries out the inefficient problem of dismounting chuck.

A kind of hand-held multijaw hydraulic chuck die change device, this die change device comprises main body, adjusting rod, back shroud, nut, sliding core, cylindrical pins, handle, slide block; Wherein main body is a cylindrical structural, and the center of main body has through hole, is evenly equipped with groove on the periphery of main body, and also has installing hole on its periphery; The appearance and size of sliding core matches with the through hole of main center, and the center of sliding core has through hole, and the two ends up and down of through hole all are processed with heavy stand, are evenly equipped with wedge-shaped impression on the periphery of sliding core; The upper end of adjusting rod periphery is processed with the left-hand screw thread, and the middle part is processed with the dextrad screw thread, and the upper end of screw thread is processed with flange in the middle part of the adjusting rod periphery, and the center of back shroud has screwed hole; Processing left-hand screw thread in the nut centre bore;

Handle installation in the installing hole of main body periphery; Sliding core is installed in the through hole of main center; The wedge structure of slide block lower end is installed in the groove of main body periphery, and the wedge structure of slide block sidepiece is installed in the wedge-shaped impression of sliding core periphery, and slide block sidepiece wedge structure and the contact-making surface of sliding core wedge-shaped impression at a, b, c place are the inclined-plane; Cylindrical pins all is installed in the installing hole of upper end of slide block face; The adjusting rod top is installed in through nut in the through hole at sliding core center, and the screw thread of adjusting rod upper end matches with the screwed hole at nut center and nut places in the heavy stand of sliding core through hole upper end, and the flange on the adjusting rod places in the heavy stand of sliding core through hole lower end; Back shroud is installed on the lower surface of main body, the threaded engagement at the screwed hole at back shroud center and adjusting rod middle part.

The groove on the said main body periphery and the wedge structure of slide block lower end are " ten " font structure.

The wedge structure of said slide block sidepiece is " worker " font structure.

Groove on the said main body periphery is consistent with the quantity of slide block and sliding core periphery upper groove.

The quantity of said slide block is more than three or three.

The angle and direction that said slide block sidepiece wedge structure and the sliding core wedge-shaped impression contact-making surface at a, b, c place tilts is consistent, and with the angle of horizontal plane be 60～80 °.

Operation principle: turn adjusting rod at first, the flange on the adjusting rod acts on the bottom surface of sliding core through hole lower end heavy stand, drives sliding core and moves upward last plane until upper surface and main body on same plane; Through sliding core and slide block ramp effect at a, b place; Slide block is outwards moved, and at this moment the cylindrical pins of upper end of slide block just in time is inserted in the rubber chuck end face circular port, and then the turn adjusting rod; Adjusting rod drives sliding core and moves downward; In the ramp effect at c place, slide block is moved inward through sliding core and slide block, thereby clamp the rubber chuck.

Beneficial effect: overall structure of the present invention is simple, and the main body profile adopts light, firm aluminum alloy material, and is in light weight; Volume is little, and cost is low, can make things convenient for remover-and-replacer chuck easily simultaneously; Operating time is short, and dismounting efficient is high, and is low to the workpiece device infringement; And adopt the hand-held design, convenient shared between multiple devices.

Description of drawings

Fig. 1 is the structure chart of a kind of hand-held multijaw of the present invention hydraulic chuck die change device.

Fig. 2 is the cutaway view of a kind of hand-held multijaw of the present invention hydraulic chuck die change device.

Wherein, 1-main body, 2-adjusting rod, 3-back shroud, 4-nut, 5-sliding core, 6-cylindrical pins, 7-handle, 8-slide block

The specific embodiment

Below in conjunction with the accompanying drawing embodiment that develops simultaneously, describe the present invention.

The invention provides a kind of hand-held multijaw hydraulic chuck die change device, this die change device comprises main body 1, adjusting rod 2, back shroud 3, nut 4, sliding core 5, cylindrical pins 6, handle 7, slide block 8; Wherein main body 1 is a cylindrical structural, and the center of main body 1 has through hole, is evenly equipped with six " ten " font grooves on the periphery of main body 1, also has installing hole on the periphery of main body 1; The appearance and size of sliding core 5 matches with the through hole at main body 1 center, and the center of sliding core 5 has through hole, and through hole all is processed with heavy stand in two ends up and down, is evenly equipped with six wedge-shaped impressions on the periphery of sliding core 5; The lower end of slide block 8 is " ten " font structure, and sidepiece is " worker " font structure, and the upper surface symmetry has installing hole; The upper end of adjusting rod 2 peripheries is processed with the left-hand screw thread, and the middle part of periphery is processed with the dextrad screw thread, and the upper end of screw thread is processed with flange in the middle part of adjusting rod 2 peripheries, and the center of back shroud 3 has screwed hole; Processing left-hand screw thread in nut 4 centre bores;

Handle installation 7 in the installing hole of main body 1 periphery; Sliding core 5 is installed in the through hole at main body 1 center; The wedge structure of slide block 8 lower ends is installed in the groove of main body 1 periphery; The wedge structure of slide block 8 sidepieces is installed in the groove of sliding core 5 peripheries; And slide block 8 sidepiece wedge structures are to become 75 ° inclined-plane with horizontal plane with the contact-making surface of sliding core 5 wedge-shaped impressions at a, b, c place, and cylindrical pins 6 all is installed in the installing hole of slide block 8 upper surfaces, and adjusting rod 2 tops are installed in the through hole at sliding core 5 centers through nut 4; The screw thread of adjusting rod 2 upper ends matches with the screwed hole at nut 4 centers and nut 4 places in the heavy stand of sliding core 5 through holes upper end; Flange on the adjusting rod 2 places in the heavy stand of sliding core 5 through hole lower ends, and back shroud 3 is installed on the lower surface of main body 1, the threaded engagement at the screwed hole at back shroud 3 centers and adjusting rod 2 middle parts.

Operation principle: at first the turn adjusting rod 2, and the flange on the adjusting rod 2 acts on the inner bottom surface of sliding core 5 through hole lower end heavy stands, and drive sliding core 5 and move upward last plane until upper surface and main body 1 on same plane; Through sliding core 5 and the ramp effect of slide block 8 at a, b place; Slide block 8 is outwards moved, and at this moment the cylindrical pins 6 of slide block 8 upper ends just in time is inserted in the rubber chuck end face circular port, and then turn adjusting rod 2; Adjusting rod 2 drives sliding core 5 and moves downward; Through sliding core 5 and the ramp effect of slide block 8, slide block 8 is moved inward, thereby clamp the rubber chuck at the c place.

In sum, more than being merely preferred embodiment of the present invention, is not to be used to limit protection scope of the present invention.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims

1. A hand-held multi-jaw hydraulic chuck die changer, characterized in that the die changer includes a main body (1), an adjustment rod (2), a rear cover (3), a nut (4), a sliding core (5), cylindrical pin (6), handle (7), slide block (8); wherein the main body (1) is a cylindrical structure, the center of the main body (1) has a through hole, and the circumferential surface of the main body (1) Grooves are evenly distributed, and there are mounting holes on its circumferential surface; the external dimensions of the sliding core (5) match the through hole in the center of the main body (1), and the center of the sliding core (5) has a through hole , the upper and lower ends of the through hole are processed with countersunk, and wedge-shaped grooves are evenly distributed on the circumferential surface of the sliding core (5); the lower end and side of the slider (8) are wedge-shaped structures, and the upper end surface is symmetrically opened There are installation holes; the upper end of the peripheral surface of the adjustment rod (2) is processed with left-hand threads, the middle part is processed with right-hand threads, and the upper end of the middle part of the peripheral surface of the adjustment rod (2) is processed with a flange, and the rear cover (3) There is a threaded hole in the center; left-hand threads are processed in the center hole of the nut (4);

The handle (7) is installed in the mounting hole on the circumferential surface of the main body (1), the sliding core (5) is installed in the through hole in the center of the main body (1), and the wedge-shaped structure at the lower end of the slider (8) is installed on the circumference of the main body (1). In the groove on the surface, the wedge-shaped structure on the side of the slider (8) is installed in the wedge-shaped groove on the circumferential surface of the sliding core (5), and the wedge-shaped structure on the side of the slider (8) and the wedge-shaped sliding core (5) The contact surfaces of the grooves at a, b, and c are all inclined surfaces, cylindrical pins (6) are installed in the mounting holes on the upper end surface of the slider (8), and the top of the adjustment rod (2) is installed on the slide through a nut (4). In the through hole at the center of the core (5), the thread on the upper end of the adjusting rod (2) matches the threaded hole at the center of the nut (4) and the nut (4) is placed in the sinking platform at the upper end of the through hole of the sliding core (5) , the flange on the adjusting rod (2) is placed in the sinking platform at the lower end of the through hole of the sliding core (5), the rear cover (3) is installed on the lower end surface of the main body (1), and the center of the rear cover (3) The threaded hole of the adjusting rod (2) middle part cooperates with the thread.

2. A hand-held multi-jaw hydraulic chuck die changer as claimed in claim 1, characterized in that, the groove on the circumferential surface of the main body (1) and the wedge-shaped structure at the lower end of the slider (8) are both "Ten" font structure.

3. A hand-held multi-claw hydraulic chuck die changer according to claim 1, characterized in that, the wedge-shaped structure at the side of the slider (8) is an "I"-shaped structure.

3. A hand-held multi-jaw hydraulic chuck mold changer according to claim 1, characterized in that the groove on the circumferential surface of the main body (1), the slider (8) and the sliding core (5 ) The number of grooves on the circumferential surface is the same.

4. A hand-held multi-jaw hydraulic chuck mold changer according to claim 1, characterized in that the number of said sliders (8) is three or more.

5. A hand-held multi-jaw hydraulic chuck mold changer according to claim 1, characterized in that, the wedge-shaped structure on the side of the slider (8) and the wedge-shaped groove of the sliding core (5) are at a, The inclination angle and direction of the contact surface at b and c are consistent, and the included angle with the horizontal plane is 60-80°.