CN203611180U

CN203611180U - Wrench for machine vice

Info

Publication number: CN203611180U
Application number: CN201320705100.5U
Authority: CN
Inventors: 宋之东
Original assignee: Dalian Vocational and Technical College
Current assignee: Dalian Vocational and Technical College
Priority date: 2013-11-07
Filing date: 2013-11-07
Publication date: 2014-05-28
Anticipated expiration: 2023-11-07

Abstract

The utility model discloses a wrench for a machine vice and relates to a tool for a machine parallel vice to clamp and release workpieces. The wrench comprises a telescopic rod, a wrench socket, a reversing device and a ratchet device, and is characterized in that the telescopic rod is welded to the wrench socket; the ratchet device and the reversing device are arranged in the wrench socket and are positioned and fixed by an end cover and fastening screws. The wrench has the characteristics of novel structure, simple machining, convenience for use, high work efficiency and the like, and is a novel wrench integrating economical efficiency and practicability for the machine vice.

Description

Machine vice spanner

Technical field

Machine vice spanner described in the utility model, relates to a kind of instrument for the clamping of machine parallel jaw, loose unloading workpiece.

Background technology

At present in the time of Milling Process workpiece, conventionally use machine parallel jaw clamping workpiece, when workpiece loading and unloading, use traditional vice spanner, because wrenching bar is longer, when rotating spanner, wrenching bar can keep off on workbench, need take down spanner installs in position, again turning handle clamping or loose unloading workpiece, workpiece loading and unloading need spend very long non-cutting time like this, has reduced operating efficiency.

For the existing problem of above-mentioned vice spanner, a kind of novel machine vice spanner of research and design, is very necessary thereby overcome the existing problem of existing vice spanner.

In order to reach quick workpiece loading and unloading, reduce non-cutting time, the utility model provides a kind of machine vice spanner, and spanner pull bar is by fixing pull bar and flexible push-and-pull loop bar forms, collapsing length as required; Rotatable mechanism is made up of reversible ratchet shaft, loose unloading ratchet, clamping ratchet and reversing handle, reaches handle once mounting, realizes the object of clamping, workpiece loading and unloading.Rotatable mechanism has saved non-cutting time, has improved operating efficiency.

Summary of the invention

In view of existing problem in above-mentioned prior art, the purpose of this utility model is a kind of novel machine vice spanner of research and design.Exist in prior art in order to solve: 1, use inconvenient because the wrenching bar of existing spanner is long; 2, non-cutting time is long when the handling of existing spanner, the problems such as inefficiency.

Technical solution of the present utility model is achieved in that

Machine vice spanner described in the utility model, comprises expansion link, spanner block set, reversing arrangement and ratchet device; It is characterized in that expansion link is welded on wrench socket; Ratchet device and reversing arrangement fixing by end cap and trip bolt location are housed in the inside of wrench socket.

Reversing arrangement described in the utility model comprises reversing handle, coupling mechanism force adjustment screw, locking compression spring, steel ball, alignment pin, eccentric block and power transmission shaft; Eccentric block and power transmission shaft are connected and fixed by alignment pin, and by drive shaft cartridge the top in spanner block set, power transmission shaft is connected with reversing handle; On reversing handle, be processed with symmetrical through hole, steel ball is housed coupling mechanism force adjustment screw and locking compression spring is packaged in through hole; On the end face that spanner block set contacts with reversing handle, be processed with spherical pit, the quantity of spherical pit is corresponding with the through hole on position and reversing handle.

Ratchet device described in the utility model comprises reversible ratchet shaft, loose unloading ratchet, loose unloading ratchet locating shaft, ratchet pressure adjustment screw, ratchet compression spring, spring fairlead, clamps ratchet and clamp ratchet locating shaft; Reversible ratchet shaft is loaded in spanner block set; Loose unloading ratchet and clamping ratchet are loaded on respectively the top of reversible ratchet shaft by loose unloading ratchet locating shaft and clamping ratchet locating shaft; Loose unloading ratchet and clamping ratchet are loaded on respectively the both sides of eccentric block, loose unloading ratchet is inconsistent with the one end and the eccentric block that clamp ratchet, the ratchet of the other end and reversible ratchet shaft are inconsistent, and loose unloading ratchet and clamping ratchet can alternately be controlled the motion of reversible ratchet shaft under the control of eccentric block; A spring fairlead corresponding with clamping ratchet with loose unloading ratchet is equipped with respectively in the both sides of spanner block set, ratchet compression spring is packaged in spring fairlead by ratchet pressure adjustment screw, and two ratchet compression springs are respectively at loose unloading ratchet and clamping ratchet joint.

Expansion link described in the utility model comprises flexible push-and-pull loop bar, fixing push-and-pull pull bar, flexible guide block and flexible compression spring; Middle part and top at fixing push-and-pull pull bar are processed with two through holes, and Telescopic pressing power spring is housed in through hole, at the two ends of flexible compression spring, a flexible guide block are respectively housed; The inside of flexible push-and-pull loop bar is processed with three cannelures, and the distance between two through holes on distance and fixing push-and-pull pull bar between adjacent two cannelures is identical; Flexible push-and-pull loop bar is enclosed within the outside of fixing push-and-pull pull bar, flexible guide block under the effect of flexible compression spring ejecting card in cannelure.

The outside of flexible guide block described in the utility model is designed for arc; The cross section of cannelure is arc.

When use, the square inner bore of reversible ratchet shaft is enclosed within on the square pole of leading screw outer end of machine parallel jaw, if want clamping work pieces, first reversing handle is gone to the clamped position that spanner block set end face indicates, make eccentric block push down loose unloading ratchet, loose unloading ratchet and oppositely hook tooth disengagement, clockwise rotate spanner pull bar clamping work pieces, rotates counterclockwise pull bar and can realize backlash journey during to certain position, and then clockwise rotating pull bar clamping work pieces, reciprocation cycle push-and-pull can clamping work pieces; If when loose unloading workpiece, reversing handle is gone to the loose unloading position that spanner block set end face indicates, make eccentric block push down clamping ratchet, clamping ratchet and forward hook tooth throws off, rotate counterclockwise drawing handle loose unloading workpiece, during to certain position, clockwise rotate pull bar and can realize backlash journey, reciprocation cycle is rotated pull bar can unclamp workpiece; The abundant contact force of ratchet and hook tooth, regulates pressure by ratchet pressure adjustment screw; The coupling mechanism force of reversing handle is regulated by the coupling mechanism force adjustment screw on reversing handle; The length of pull bar is adjusted at any time by the push-and-pull loop bar that stretches.

The utility model has the advantages that apparently, be mainly manifested in:

1, owing to having used the utility model, vice spanner can be realized once mounting, and loose unloading, clamping work pieces conveniently, have been saved the time of assembly wrench repeatedly.

2,, owing to having used the utility model, pull bar can be adjusted length, the size of adjustable gripping power as required at any time.

The utlity model has novel structure, process easy, easy to use, improved the advantages such as operating efficiency, it puts goods on the market in enormous quantities and will produce positive social benefit and significant economic benefit.

Accompanying drawing explanation

The utility model has 3 width accompanying drawings, wherein:

Accompanying drawing 1 the utility model front view;

The partial sectional view of accompanying drawing 2 the utility model left views;

Accompanying drawing 3 the utility model structural representations.

In the drawings: 1, flexible push-and-pull loop bar 2, fixing push-and-pull pull bar 3, wrench socket 4, reversible ratchet shaft 5, reversing handle 6, coupling mechanism force adjustment screw 7, locking compression spring 8, steel ball 9, alignment pin 10, eccentric block 11, power transmission shaft 12, trip bolt 13, end cap 14, loose unloading ratchet 15, loose unloading ratchet locating shaft 16, ratchet pressure adjustment screw 17, ratchet compression spring 18, spring fairlead 19, clamp ratchet 20, clamp ratchet locating shaft 21, flexible guide block 22, flexible compression spring 23, cannelure.

The specific embodiment

Specific embodiment of the utility model as shown in drawings, comprises expansion link, spanner block set 3, reversing arrangement and ratchet device; It is characterized in that expansion link is welded on wrench socket 3; Ratchet device and reversing arrangement fixing with trip bolt 12 location by end cap 13 are housed in the inside of wrench socket 3.

Reversing arrangement comprises reversing handle 5, coupling mechanism force adjustment screw 6, locking compression spring 7, steel ball 8, alignment pin 9, eccentric block 10 and power transmission shaft 11; Eccentric block 10 is connected and fixed by alignment pin 9 with power transmission shaft 11, and is loaded on the top in spanner block set 3 by power transmission shaft 11, and power transmission shaft 11 is connected with reversing handle 5; On reversing handle 5, be processed with symmetrical through hole, steel ball 8 is housed coupling mechanism force adjustment screw 6 and locking compression spring 7 is packaged in through hole; On the end face that spanner block set 3 contacts with reversing handle 5, be processed with spherical pit, the quantity of spherical pit is corresponding with the through hole on position and reversing handle 5.

Ratchet device comprises reversible ratchet shaft 4, loose unloading ratchet 14, loose unloading ratchet locating shaft 15, ratchet pressure adjustment screw 16, ratchet compression spring 17, spring fairlead 18, clamps ratchet 19 and clamp ratchet locating shaft 20; Reversible ratchet shaft 4 is loaded in spanner block set 3; Loose unloading ratchet 14 and clamping ratchet 19 are loaded on respectively the top of reversible ratchet shaft 4 by loose unloading ratchet locating shaft 15 and clamping ratchet locating shaft 20; Loose unloading ratchet 14 and clamping ratchet 19 are loaded on respectively the both sides of eccentric block 10, loose unloading ratchet 14 is inconsistent with the one end and the eccentric block 10 that clamp ratchet 19, the ratchet of the other end and reversible ratchet shaft 4 are inconsistent, and loose unloading ratchet 14 and clamping ratchet 19 can alternately be controlled the motion of reversible ratchet shaft 4 under the control of eccentric block 10; A spring fairlead 18 corresponding with clamping ratchet 19 with loose unloading ratchet 14 is equipped with respectively in the both sides of spanner block set 3, ratchet pressure adjustment screw 16 is packaged in 18, two ratchet compression springs 17 of spring fairlead respectively at loose unloading ratchet 14 and clamping ratchet 19 joints by ratchet compression spring 17.

Expansion link comprises flexible push-and-pull loop bar 1, fixing push-and-pull pull bar 2, flexible guide block 21 and flexible compression spring 22; Middle part and top at fixing push-and-pull pull bar 2 are processed with two through holes, and Telescopic pressing power spring 22 is housed in through hole, at the two ends of flexible compression spring 22, a flexible guide block 21 are respectively housed; The inside of flexible push-and-pull loop bar 1 is processed with three cannelures 23, and the distance between two through holes on distance and fixing push-and-pull pull bar 2 between adjacent two cannelures 23 is identical; Flexible push-and-pull loop bar 1 is enclosed within the outside of fixing push-and-pull pull bar 2, flexible guide block 21 under the effect of flexible compression spring 22 ejecting card in cannelure 23.

The outside of flexible guide block 21 is designed for arc; The cross section of cannelure 23 is arc.

The above; it is only the preferably specific embodiment of the present utility model; but protection domain of the present utility model is not limited to this; allly be familiar with those skilled in the art in the disclosed technical scope of the utility model, within being equal to and replacing or change and all should be encompassed in protection domain of the present utility model according to the technical solution of the utility model and design of the present utility model thereof.

Claims

1. a machine vice spanner, comprises expansion link, spanner block set (3), reversing arrangement and ratchet device; It is characterized in that expansion link is welded on wrench socket (3); Ratchet device and reversing arrangement fixing with trip bolt (12) location by end cap (13) are housed in the inside of wrench socket (3).

2. machine vice spanner according to claim 1, is characterized in that described reversing arrangement comprises reversing handle (5), coupling mechanism force adjustment screw (6), locking compression spring (7), steel ball (8), alignment pin (9), eccentric block (10) and power transmission shaft (11); Eccentric block (10) is connected and fixed by alignment pin (9) with power transmission shaft (11), and is loaded on the top in spanner block set (3) by power transmission shaft (11), and power transmission shaft (11) is connected with reversing handle (5); Reversing handle is processed with symmetrical through hole on (5), and steel ball (8) is housed coupling mechanism force adjustment screw (6) and locking compression spring (7) is packaged in through hole; On the end face that spanner block set (3) contacts with reversing handle (5), be processed with spherical pit, the quantity of spherical pit is corresponding with the through hole on position and reversing handle (5).

3. machine vice spanner according to claim 1, is characterized in that described ratchet device comprises reversible ratchet shaft (4), loose unloading ratchet (14), loose unloading ratchet locating shaft (15), ratchet pressure adjustment screw (16), ratchet compression spring (17), spring fairlead (18), clamps ratchet (19) and clamp ratchet locating shaft (20); Reversible ratchet shaft (4) is loaded in spanner block set (3); Loose unloading ratchet (14) and clamping ratchet (19) are loaded on respectively the top of reversible ratchet shaft (4) by loose unloading ratchet locating shaft (15) and clamping ratchet locating shaft (20); Loose unloading ratchet (14) and clamping ratchet (19) are loaded on respectively the both sides of eccentric block (10), loose unloading ratchet (14) is inconsistent with the one end and the eccentric block (10) that clamp ratchet (19), the ratchet of the other end and reversible ratchet shaft (4) are inconsistent, and loose unloading ratchet (14) and clamping ratchet (19) can alternately be controlled the motion of reversible ratchet shaft (4) under the control of eccentric block (10); A spring fairlead (18) corresponding with clamping ratchet (19) with loose unloading ratchet (14) is equipped with respectively in the both sides of spanner block set (3), ratchet compression spring (17) is packaged in spring fairlead (18) by ratchet pressure adjustment screw (16), and two ratchet compression springs (17) are respectively at loose unloading ratchet (14) and clamping ratchet (19) joint.

4. machine vice spanner according to claim 1, is characterized in that described expansion link comprises flexible push-and-pull loop bar (1), fixing push-and-pull pull bar (2), flexible guide block (21) and flexible compression spring (22); Middle part and top at fixing push-and-pull pull bar (2) are processed with two through holes, and Telescopic pressing power spring (22) is housed in through hole, at the two ends of flexible compression spring (22), a flexible guide block (21) are respectively housed; The inside of flexible push-and-pull loop bar (1) is processed with three cannelures (23), and the distance between two through holes on the distance between adjacent two cannelures (23) and fixing push-and-pull pull bar (2) is identical; Flexible push-and-pull loop bar (1) is enclosed within the outside of fixing push-and-pull pull bar (2), flexible guide block (21) under the effect of flexible compression spring (22) ejecting card in cannelure (23).

5. machine vice spanner according to claim 4, the outside that it is characterized in that described flexible guide block (21) is designed for arc; The cross section of cannelure (23) is arc.