CN203495752U

CN203495752U - Clamp with milling machine

Info

Publication number: CN203495752U
Application number: CN201320532233.7U
Authority: CN
Inventors: 王磊
Original assignee: BAODING XIANGYANG AVIATION PRECISION MACHINERY Co Ltd
Current assignee: BAODING XIANGYANG AVIATION PRECISION MACHINERY Co Ltd
Priority date: 2013-08-29
Filing date: 2013-08-29
Publication date: 2014-03-26
Anticipated expiration: 2023-08-29

Abstract

The utility model discloses a clamp with a milling machine. The upper part of a fixed plate is a clamped part, the lower part of the fixed plate is provided with concave parts of two steps, a movable plate is arranged in the concave part of the first step of the fixed plate through two and more screws, an elastic pad penetrates through a screw between the movable plate and the fixed plate, one end, for clamping a workpiece, of the movable plate positioned above a via hole of the screw is provided with a through groove matched with an eccentric ball head press rod, the ball head of the eccentric ball head press rod is eccentrically hinged to a rotating shaft of the through groove wall, the press rod is in a self locking state after the tight pressing, the concave part of the second step of the fixing plate is detachably and fixedly provided with a pad plate, the workpiece is clamped and fixed by the concave position of the movable plate and the pad plate. Regardless of the thickness and the size of the workpiece, the clamp provided by the utility model can realize the fast and reliable mounting and fast clamping, the mounting precision is high, the clamp is arranged on a track of a belt milling machine for helping the belt milling machine to realize reliable clamping on narrower or smaller workpieces, and the smooth processing on the workpiece of the belt milling machine is ensured.

Description

A kind of fixture with grinding machine

Technical field

The utility model relates to a kind of fixture with grinding machine.

Background technology

Crawler type clamping plane grinding machine is called for short band grinding machine, and it is a kind of quick-clamping, machine tool that can continuous grinding workpiece.The vertical crawler belt that has two positioned opposite with grinding machine, need the workpiece clamp of grinding between two crawler belts, crawler belt ceaselessly sends in cycles, and workpiece packs crawler belt into from inlet side, grinding work piece in the transport process of crawler belt, the workpiece processing exports a side-draw from crawler belt and goes out.With grinding machine, go for processing efficiently the sheet type workpiece side within the scope of certain size, but for narrow or smaller workpiece, because the position that workpiece is clamped by crawler belt is too little, tend to cause clamping unreliable, thereby bring the difficulty of processing, have to adopt hand grinding, waste time and energy.

Summary of the invention

The purpose of this utility model solves the above-mentioned problems in the prior art exactly, a kind of fixture with grinding machine is provided, this fixture can be to workpiece quick-clamping, and what to narrower or less workpiece, also can clamp is reliable and stable, it is arranged on band grinding machine crawler belt, assists to realize narrower or less workpiece is reliably clamped and processed with grinding machine.

For achieving the above object, technical solution of the present utility model is: a kind of fixture with grinding machine, and it comprises fixed head, portable plate, two and above only has the threaded screw of terminal part, elastic supporting member for supporting optical member, eccentric bulb depression bar and backing plate; Fixed head top is for being held position, and the recessed position of two steps is arranged at bottom; Portable plate is by the via hole of wearing thereon and be fixed on the recessed position that in the screw on fixed head two and above screw are arranged on the first step of fixed head; On the screw between portable plate and fixed head, be installed with cushion; In the one end that is positioned at the portable plate holding workpiece above screw via hole, have the groove matching with eccentric bulb depression bar, on the relative groove wall in groove inner end, be fixed with rotating shaft, the bulb of eccentric bulb depression bar is hinged on rotating shaft prejudicially, after compression, the bulb top of depression bar withstands on portable plate, and inner end withstands on the cushion block being fixed on this place's fixed head; The position corresponding with the recessed position of the second step of fixed head, portable plate lower end is recessed; The recessed position of the second step of fixed head is removably fixed with backing plate, and workpiece is gripped by the recessed position of backing plate and portable plate; The thickness of backing plate is determined by the thickness of the workpiece of clamping, guarantees that workpiece can be reliably clamped in the recessed position of backing plate and portable plate.

The length of portable plate described above and the appearance of fixed head with, the height at the recessed position of its high and two steps of fixed head is identical, the thickness after its thick assurance itself and fixed head are fixed is slightly less than the thickness that fixed head top is held position.

Cushion described above is elastic polyurethane pad or rubber mat or spring or other cushion.

The utility model described above also comprises auxiliary grip block, auxiliary grip block is fixed on the gap position of fixed head clamping upper end, position, it is inverted L shape plate, its length is identical with the length of fixed head, breach below just in time matches with the breach of fixed head clamping upper end, position, its highly guarantee its with the height addition at fixed head clamping position after can reliably be clamped by two crawler belts with grinding machine.

Elastic supporting member for supporting optical member on screw of the present utility model and screw makes portable plate and fixed head keep certain gap, the eccentric bulb depression bar and the screw that on portable plate, are equipped with make portable plate form the leverage of doing fulcrum with screw, when eccentric bulb depression bar compresses, bulb inner end withstands on fixed head, expanded the spacing between portable plate upper end and fixed head, and the plate lower end that innervates approaches fixed head, compressed workpiece, because eccentric bulb depression bar is at this moment in self-locking state, workpiece is firmly clamped between fixed head and portable plate.The thickness of clamped workpiece changes, as long as change the cushion block that needs thickness, without changing again whole fixture, that is to say as long as the cushion block of many some different-thickness of coupling, the utility model of same size just can be fixed the Workpiece clamping of various different-thickness, greatly reduces use cost of the present utility model.And if unclamp eccentric bulb depression bar, workpiece is just easy to be placed in clamping of the present utility model position.If the width with grinding machine is very wide, can install the indentation, there of fixed head upper end additional auxiliary grip block, to guarantee that the utility model can reliably clamping between two crawler belts with grinding machine.

In a word, no matter thickness and the size of workpiece, the utility model can be realized fast and reliable clamping and the clamping to workpiece, and clamping precision is high, and clamping reliability is high; It is arranged on band grinding machine crawler belt, assists to realize narrower or less workpiece is reliably clamped with grinding machine, has guaranteed the smooth processing to workpiece with grinding machine, has improved the operating efficiency with grinding machine.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model;

Fig. 2 is front view of the present utility model;

Fig. 3 is left view of the present utility model;

Fig. 4 is the AA cutaway view of Fig. 2;

Fig. 5 is the BB cutaway view of Fig. 2.

The specific embodiment

Below in conjunction with the drawings and specific embodiments, the utility model is further described.

As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, the present embodiment comprises that fixed head 1, portable plate 5, two (also more than two) only have the threaded screw 4 of terminal part, elastic polyurethane pad 10, eccentric bulb depression bar 3 and backing plate 7.Fixed head 1 top is for being held position, and the recessed position 8,9 of two steps is arranged at bottom.Portable plate 5 by the via hole of wearing thereon and the screw 4 that is fixed in the screw on fixed head 1 two (also more than two) be arranged on the recessed position 8 of the first step of fixed head 1.On the screw 4 between portable plate 5 and fixed head 1, be installed with elastic polyurethane pad 10, also other cushion such as rubber mat or spring, so that portable plate 5 and fixed head 1 keep certain gap.In the one end that is positioned at the portable plate holding workpiece above screw 4 via holes, have the groove 12 matching with eccentric bulb depression bar 3, on the relative groove wall in groove 12 inner ends, be fixed with rotating shaft 2, the bulb 13 of eccentric bulb depression bar 3 is hinged on rotating shaft 2 prejudicially, after compression, bulb 13 tops of depression bar 3 withstand on portable plate 5, inner end withstands on the cushion block 11 being fixed on this place's fixed head 1, in self-locking state.The position corresponding with the recessed position 9 of the second step of fixed head 1, portable plate 5 lower ends is recessed.Backing plate 7 is by the recessed position 9 that sinks to screw in backing plate 7 counterbores and be fixed on the second step of fixed head 1.Workpiece 6 is gripped by the recessed position of backing plate 7 and portable plate 5.The thickness of backing plate 7 is determined by the thickness of the workpiece 6 of clamping, guarantees that workpiece 6 can be reliably clamped in the recessed position of backing plate 7 and portable plate 5.The appearance of the length of portable plate 5 and fixed head 1 is same, its height is identical with the height at the recessed position of 1 two steps of fixed head, after its thick assurance itself and fixed head 1 is fixing, be slightly less than the thickness that fixed head 1 top is held position, like this, can not affect the operation with grinding machine crawler belt.

Embodiment described above also can comprise auxiliary grip block, auxiliary grip block is fixed on the gap position 14 of fixed head 1 retaining part upper end, it is inverted L shape plate, its length is identical with the length of fixed head 1, breach below just in time matches with the breach of fixed head 1 retaining part upper end, and it highly guarantees reliably to be clamped by two crawler belts with grinding machine after the height of itself and fixed head 1 retaining part is added.

Claims

1. with a fixture for grinding machine, it is characterized in that: it comprises fixed head, portable plate, two and above only has the threaded screw of terminal part, elastic supporting member for supporting optical member, eccentric bulb depression bar and backing plate; Fixed head top is for being held position, and the recessed position of two steps is arranged at bottom; Portable plate is by the via hole of wearing thereon and be fixed on the recessed position that in the screw on fixed head two and above screw are arranged on the first step of fixed head; On the screw between portable plate and fixed head, be installed with cushion; In the one end that is positioned at the portable plate holding workpiece above screw via hole, have the groove matching with eccentric bulb depression bar, on the relative groove wall in groove inner end, be fixed with rotating shaft, the bulb of eccentric bulb depression bar is hinged on rotating shaft prejudicially, after compression, the bulb top of depression bar withstands on portable plate, and inner end withstands on the cushion block being fixed on this place's fixed head; The position corresponding with the recessed position of the second step of fixed head, portable plate lower end is recessed; The recessed position of the second step of fixed head is removably fixed with backing plate, and workpiece is gripped by the recessed position of backing plate and portable plate; The thickness of backing plate is determined by the thickness of the workpiece of clamping, guarantees that workpiece can be reliably clamped in the recessed position of backing plate and portable plate.

2. the fixture with grinding machine according to claim 1, it is characterized in that: the length of described portable plate and the appearance of fixed head are same, the width at the recessed position of its wide and two steps of fixed head is identical, after its thick assurance itself and fixed head are fixing, is slightly less than the thickness that fixed head top is held position.

3. the fixture with grinding machine according to claim 1 and 2, is characterized in that: described cushion is elastic polyurethane pad or rubber mat or spring.

4. the fixture with grinding machine according to claim 3, it is characterized in that: it also comprises auxiliary grip block, auxiliary grip block is fixed on the gap position of fixed head clamping upper end, position, it is inverted L shape plate, its length is identical with the length of fixed head, breach below just in time matches with the breach of fixed head clamping upper end, position, its highly guarantee its with the height addition at fixed head clamping position after can reliably be clamped by two crawler belts with grinding machine.

5. the fixture with grinding machine according to claim 1 and 2, it is characterized in that: it also comprises auxiliary grip block, auxiliary grip block is fixed on the gap position of fixed head clamping upper end, position, it is inverted L shape plate, its length is identical with the length of fixed head, breach below just in time matches with the breach of fixed head clamping upper end, position, its highly guarantee its with the height addition at fixed head clamping position after can reliably be clamped by two crawler belts with grinding machine.