CN213256689U

CN213256689U - Clamping and positioning device for punch machining

Info

Publication number: CN213256689U
Application number: CN202021940149.5U
Authority: CN
Inventors: 刘伟
Original assignee: Kunshan Yingfeng Hardware Technology Co ltd
Current assignee: Kunshan Yingfeng Hardware Technology Co ltd
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2021-05-25
Anticipated expiration: 2030-09-08

Abstract

The utility model discloses a centre gripping positioner that punch press processing was used especially relates to punch press processing technology field, including pressing from both sides the platform, press from both sides platform lower extreme fixedly connected with base, press from both sides the inside inner chamber that is equipped with of platform, open on the base has the recess, and the inside bottom intermediate bearing of recess is connected with the vertical axis, and the vertical axis upper end runs through to the inner chamber inside to be connected with the inner chamber rotation. This kind of clamping and positioning device of punch press processing usefulness, place stamping die in the middle of pressing from both sides the platform top back, it drives the pivot rotation to rotate the turn-button, can make the worm drive the worm wheel and rotate, along with the worm wheel drives big bevel gear and rotates, and drive four little bevel gear simultaneously and rotate, make four splint grasp stamping die simultaneously, convenient operation not only like this, and stability is improved, it is inconvenient not only to have solved present clamping and positioning device, and generally carry out the centre gripping location with two splint, the relatively poor problem of stability like this.

Description

Clamping and positioning device for punch machining

Technical Field

The utility model relates to a punch press processing technology field especially relates to a centre gripping positioner that punch press processing was used.

Background

The punching machine is a punching type press machine, and compared with the traditional machining, the punching process has the advantages of material and energy conservation, high efficiency, low technical requirement on operators and capability of manufacturing products which cannot be machined by applying various dies.

When carrying out punch press processing, generally need use clamping positioning device to carry out stamping die's centre gripping location, prevent that stamping die from appearing the phenomenon of skew, and the clamping positioning device of present punch press processing usefulness, when carrying out centre gripping stamping die, not only the operation is inconvenient, generally carries out the centre gripping location with two splint moreover, and stability is relatively poor like this.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide a clamping and positioning device of punch press processing usefulness, solved present clamping and positioning device not only inconvenient to operate, generally carry out the centre gripping location with two splint moreover, the relatively poor problem of stability like this.

The utility model provides a technical scheme that its technical problem adopted is: a clamping and positioning device for punch machining comprises a clamping table, wherein the lower end of the clamping table is fixedly connected with a base, an inner cavity is arranged in the clamping table, a groove is formed in the upper end of the base, a vertical shaft is connected to a middle bearing at the bottom end in the groove, the upper end of the vertical shaft penetrates into the inner cavity and is rotatably connected with the inner cavity, a large bevel gear is fixedly connected to the upper end of the vertical shaft, a worm gear is fixedly arranged outside the vertical shaft and in the groove, a worm is rotatably connected with the inner cavity, rotating shafts are welded at the left end and the right end of the worm, a pair of fixing frames are fixed at the front side, the rear side, the left side and the right side of the bottom end in the inner cavity, the four fixing frames are arranged in a cross shape, a shaft sleeve is welded at the upper end of each fixing frame, a transverse shaft is rotatably, the screw rod is connected with nuts through threads, the upper end of each nut is welded with a sliding block, the front side, the rear side, the left side and the right side of the upper end of each clamping table are provided with slideways which are arranged in a cross shape, the upper end of each sliding block extends out of the corresponding slideway to be connected with the corresponding slideway in a sliding mode, the upper end of each sliding block is fixed with a clamping plate, the middle of the inner end of each clamping plate is provided with an arc groove, and the upper end and the lower end of each arc groove are.

Furthermore, the other end of the rotating shaft penetrates through the base and is connected with the base in a rotating mode, and the other end of the rotating shaft is connected with a rotating button.

Furthermore, the worm is positioned behind the worm wheel and is meshed with the worm wheel, and the small bevel gear is positioned above the large bevel gear and is meshed with the large bevel gear.

Furthermore, the tail end of the transverse shaft close to the inner wall of the inner cavity is connected with the inner cavity bearing.

Furthermore, anti-slip pads are bonded on the inner end surface of the clamping plate and the bottom of the arc groove.

Further, press from both sides bench upper end and be located every the slide both sides all open there is the spacing groove, the equal sliding connection of spacing inslot portion has the stopper, the stopper upper end extends the spacing groove and corresponds splint are fixed.

Compared with the prior art, the utility model discloses the beneficial effect who realizes: this kind of centre gripping positioner of punch press processing usefulness places stamping die back in the middle of pressing from both sides the platform top, rotates the turn-button and drives the pivot and rotate, can make the worm drive the worm wheel and rotate, along with the worm wheel drives big bevel gear and rotates, and drives four little bevel gear rotations simultaneously for four splint grasp stamping die simultaneously, so not only convenient operation has improved stability moreover.

Drawings

FIG. 1 is a general schematic view of the present invention;

FIG. 2 is an enlarged view of a portion A of the splint of FIG. 1 according to the present invention;

fig. 3 is a schematic top view of the clamping table of the present invention.

In the figure: 1-clamping table, 2-base, 3-groove, 4-vertical shaft, 5-worm wheel, 6-worm, 7-rotating shaft, 8-rotating button, 9-inner cavity, 10-slideway, 11-fixing frame, 12-shaft sleeve, 13-horizontal shaft, 14-screw, 15-nut, 16-sliding block, 17-clamping plate, 18-large bevel gear, 19-small bevel gear, 20-arc groove, 21-limiting groove, 22-limiting block and 23-non-slip mat.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

As shown in fig. 1 to 3, a clamping and positioning device for punching comprises a clamping table 1, wherein a base 2 is fixedly connected to the lower end of the clamping table 1, an inner cavity 9 is arranged inside the clamping table 1, a groove 3 is formed in the upper end of the base 2, a vertical shaft 4 is connected to the middle of the bottom end inside the groove 3 in a bearing manner, the upper end of the vertical shaft 4 penetrates through the inner cavity 9 and is rotatably connected with the inner cavity 9, a large bevel gear 18 is fixedly connected to the upper end of the vertical shaft 4, a worm gear 5 is fixedly arranged outside the vertical shaft 4 and in the groove 3, a worm 6 is rotatably connected inside the groove 3, rotating shafts 7 are welded to the left end and the right end of the worm 6, a pair of fixing frames 11 is fixed to the front side, the rear side, the left side and the right side of the bottom end inside the inner cavity 9, four pairs of the fixing frames 11 are arranged in a cross manner, a small bevel gear 19 is fixed at the end of the cross shaft 13 far away from the inner wall of the inner cavity 9, a screw 14 is welded between each pair of the cross shafts 13, nuts 15 are connected to the outer portions of the screw 14 in a threaded manner, sliders 16 are welded at the upper ends of the nuts 15, slide ways 10 are arranged on the front, rear, left and right sides of the upper end of the clamping table 1, the slide ways 10 are arranged in a cross manner, slide ways 10 corresponding to the sliders 16 are extended from the upper ends of the sliders 16 and are connected with the slide ways 10 in a sliding manner, clamping plates 17 are fixed at the upper ends of the sliders 16, the worm 6 is positioned behind the worm wheel 5 and is connected with the worm wheel 5 in a meshing manner, the small bevel gear 19 is positioned above the large bevel gear 18 and is connected with the large bevel gear 18 in a meshing manner, the tail end of the cross shaft 13 close to the inner wall of the inner cavity 9 is connected with a bearing, firstly, after a stamping die is placed in the middle above a clamping table 1, a rotating shaft 7 is rotated to drive a worm 6 to rotate, so that the worm 6 drives a worm wheel 5 to rotate, then the worm wheel 5 drives a large bevel gear 18 to rotate through a vertical shaft 4, the large bevel gear 18 is meshed with four small bevel gears 19 above, the four small bevel gears 19 can be simultaneously driven to rotate, the small bevel gears 19 drive a screw 14 to rotate through a cross shaft 13, the screw 14 is driven to screw a nut 15 to slide, the nut 15 can drive a sliding block 16 to slide in a slideway 10 at the moment, the sliding block 16 drives a clamping plate 17 to move, so that the four clamping plates 17 simultaneously move to clamp the stamping die, in addition, the four clamping plates 17 can be far away from the stamping die by reversely rotating the rotating shaft 7, and therefore, the operation is convenient, and the stability is improved.

The other end of the rotating shaft 7 penetrates through the base 2 to be connected with the base 2 in a rotating mode, the other end of the rotating shaft 7 is connected with the rotating button 8 in a connecting mode, and the rotating shaft 7 can be rotated by a user conveniently through the rotating button 8.

The anti-slip pad 23 is bonded on the inner end surface of the clamping plate 17 and the bottom of the arc groove 20, and the friction force between the clamping plate 17 and the stamping die can be increased by arranging the anti-slip pad 23.

It has spacing groove 21 all to open at the slide 10 both sides, the equal sliding connection in spacing groove 21 has stopper 22, stopper 22 upper end extends spacing groove 21 and corresponds splint 17 is fixed, when splint 17 is gliding on pressing from both sides platform 1, can drive stopper 22 and slide in spacing groove 21 inside, through stopper 22 and spacing groove 21, can make splint 17's removal orbit be difficult to deviate.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a centre gripping positioner that punch press processing was used, includes and presss from both sides the platform, press from both sides platform lower extreme fixedly connected with base, press from both sides the inside inner chamber that is equipped with of platform, open flutedly, its characterized in that on the base:

the middle bearing at the bottom end inside the groove is connected with a vertical shaft, the upper end of the vertical shaft penetrates into the inner cavity and is rotationally connected with the inner cavity, the upper end of the vertical shaft is fixedly connected with a large bevel gear, a worm gear is fixed outside the vertical shaft and positioned in the groove, a worm is rotationally connected inside the groove, rotating shafts are welded at the left end and the right end of the worm, a pair of fixing frames are fixed at the front side, the rear side, the left side and the right side of the bottom end inside the inner cavity, four pairs of fixing frames are arranged in a cross shape, a shaft sleeve is welded at the upper end of each fixing frame, a transverse shaft is rotationally connected inside the shaft sleeve, a small bevel gear is fixed at the head end of the transverse shaft far away from the inner wall of the inner cavity, a screw rod is welded between each pair of the transverse shafts, a nut is in, the upper end of the sliding block extends out of a corresponding sliding way to be connected with the sliding way in a sliding way, clamping plates are fixed at the upper end of the sliding block, an arc groove is formed in the middle of the inner end of each clamping plate, and the upper end and the lower end of each arc groove are communicated with the clamping plates.

2. The clamping and positioning device for punching machine according to claim 1, wherein: the other end of the rotating shaft penetrates through the base and is connected with the base in a rotating mode, and the other end of the rotating shaft is connected with a rotating button.

3. The clamping and positioning device for punching machine according to claim 1, wherein: the worm is positioned behind the worm wheel and is meshed with the worm wheel, and the small bevel gear is positioned above the large bevel gear and is meshed with the large bevel gear.

4. The clamping and positioning device for punching machine according to claim 1, wherein: the tail end of the transverse shaft close to the inner wall of the inner cavity is connected with the inner cavity bearing.

5. The clamping and positioning device for punching machine according to claim 1, wherein: and anti-slip pads are bonded on the inner end surface of the clamping plate and the bottom of the arc groove.

6. The clamping and positioning device for punching machine according to claim 1, wherein: the clamping table is characterized in that the upper end of the clamping table is positioned at each of the two sides of the slide way, limiting grooves are formed in the two sides of the slide way, limiting blocks are connected to the inner portions of the limiting grooves in a sliding mode, and the upper ends of the limiting blocks extend out of the limiting grooves to be fixed with the corresponding clamping plates.