CN201132292Y

CN201132292Y - Quick-clamping bench vice for cam

Info

Publication number: CN201132292Y
Application number: CNU2007200429690U
Authority: CN
Inventors: 丁友伟; 李伯奎; 刘远伟; 陈文�
Original assignee: Huaiyin Institute of Technology
Current assignee: Huaiyin Institute of Technology
Priority date: 2007-08-16
Filing date: 2007-08-16
Publication date: 2008-10-15
Anticipated expiration: 2017-08-16

Abstract

The utility model discloses a cam fast-locking clamp table vice, a fixed vice body (1) is installed on a rotary seat (18) by a connecting screw (19) so as to form a fixed rotating mechanism; a through hole long-slot (22) is arranged on the fixed vice body (1) along the longitudinal horizontal direction, a fast-moving vice body (15) is provided with an upper and a lower retaining bars (16, 17), the fast-moving vice body (15) makes use of the lower retaining bar (17) to be installed on the fixed vice body (1) through the through hole long-slot (22) so as to form a stress location self-locking retaining mechanism; the upper part of the fast-moving vice body (15) is connected with a floating vice body (4) and a cam (11) by a vertical shaft (10) so as to be fixed by a screw (9), a handle (12) is installed on the cam (11) so as to form a workpiece clamping device. The cam fast-locking clamp table vice has simple structure, low cost, convenient operation, fast adjusting speed for the distance of vice mouth, low labor intensity, and high work efficiency.

Description

Cam Fast locker bench screw

Technical field

The utility model relates to bench vice, is specifically related to cam Fast locker bench screw.

Background technology

At present, in mechanical field and other industry, the clamping device that is widely adopted all is the bench vice of traditional constant for many years guide screw matrix structure.This class bench vice mainly is to be made of fixed caliper, moving caliper, jaw parallels, screw mandrel, nut, handle and base etc.Its operation principle is to drive moving caliper by the handle rotary screw rod to move forward and backward, and realizes the clamping of workpiece and loosens.There are the problems such as length between vices speed is slow, operator's labour intensity is big, efficient is lower of regulating.Now, the bench vice that has moves towards on the basis at improvement nut structure, screw thread, improves the clamping speed to workpiece, but wants a few ability clamping work pieces of rotary screw, and its clamping speed is still had a greatly reduced quality.

Summary of the invention

The purpose of this utility model is: a kind of cam Fast locker bench screw is provided, and this folder bench vice is simple in structure, with low cost, easy to operate, and jaw distance adjustment speed is fast, and labour intensity is low, high efficiency.

Technical solution of the present utility model is: this folder bench vice is by fixedly slew gear, stressed location self-locking stopping mechanism, workpiece clamping mechanism are formed, fixedly slew gear has fixed caliper and rotary table, and fixed caliper is installed in by attachment screw and constitutes fixedly slew gear on the rotary table; Stressed location self-locking stopping mechanism has the rapid traverse caliper and moves back bar up and down, on the vertical equity direction of fixed caliper, the through hole elongated slot is set, install down the retaining bar on the rapid traverse caliper, the retaining bar constitutes stressed location self-locking stopping mechanism through being installed in by elongated slot under the rapid traverse caliper through hole on the fixed caliper; Workpiece clamping mechanism has unsteady caliper, cam vertical shaft and handle, and rapid traverse caliper top connects unsteady caliper by vertical shaft and cam is fixed through screw, and handle is installed in and constitutes Workpiece clamping device on the cam.

In the cam Fast locker bench screw of the present utility model, the last retaining bar on the rapid traverse caliper and the central vertical position of following retaining bar be not on a line, cam is when clamping work pieces, the reaction force that vertical shaft is subjected to the last retaining bar stress point on the rapid traverse caliper is a power arm, and the last retaining bar stress point on rapid traverse caliper retaining bar stress point extremely down is a resistance arm; The gap should not be excessive when cooperating with fixed caliper for the last retaining bar of rapid traverse caliper and following retaining bar, to reduce the gradient of unsteady caliper when the clamping work pieces.

In the cam Fast locker bench screw of the present utility model, at the clamping end face clamp for mounting and fixing mouth parallels of fixed caliper.

In the cam Fast locker bench screw of the present utility model, clamping end face at the caliper that floats is installed the jaw parallels that floats, the working face of unsteady jaw parallels is the inclined plane, offset the gradient of caliper when the clamping work pieces of floating with this, guarantee fixed caliper and the stress point of unsteady caliper when clamping work pieces point-blank.

In the cam Fast locker bench screw of the present utility model, the shockproof anti-loosening mechanism of self-locking is installed on cam, there are steel ball, compression spring and housing pin in the shockproof anti-loosening mechanism of this self-locking, on the caliper that floats, establish installing hole, steel ball, compression spring are installed in the installing hole by housing pin, and steel ball cooperates the arc groove below the cam, and arc groove is the center of circle with the cam pivot, the middle part of arc groove smoothly shoals gradually to the edge deeply, arc groove to be about 1/4 cam circle long.

In the cam Fast locker bench screw of the present utility model, the middle part of vertical shaft is square, with unsteady caliper cooperation place return spring and adjustment screw are installed, make vertical shaft gap when being slidingly matched unsuitable excessive, be clipped in the stressed tilt quantity that is produced during not at center line in jaw both sides to reduce when work with unsteady caliper.

In the cam Fast locker bench screw of the present utility model, wear-resisting parallels is installed at unsteady caliper and cam contact position.

During clamping workpiece, direct mobile rapid traverse caliper drives the caliper that floats and blocks workpiece, and rotating cam promotes unsteady caliper by cam and comes clamping work pieces; After external force is cancelled, the cam self-locking, rapid traverse caliper also self-locking retaining under stressed situation, cause float caliper can not after move, thereby clamping work pieces firmly; When unclamping workpiece, behind the loose cam, simultaneously light handle drags backward, can unclamp caught workpiece earlier.

When cam during at clamping work pieces, be under the stressed situation of vertical shaft, the stress point of the last retaining bar of the stress point of vertical shaft to the rapid traverse caliper is that power arm is stressed to oblique below, the stress point of last retaining bar to following retaining bar stress point is that resistance arm is stressed obliquely upward, can cause rapid traverse caliper positioning and locking retaining in fixed caliper longitudinally on the optional position; The rapid traverse caliper is under situation about not stressing, by own wt optional position on the longitudinal direction that locks in fixed caliper; Light handle can make rapid traverse caliper fast moving on the longitudinal direction of fixed caliper.

The utlity model has following advantage: (1) two self-locking, the one, the cam clamping work pieces is cancelled self-locking after the external force, and the 2nd, the rapid traverse caliper has guaranteed the clamping of workpiece in stressed back self-locking; (2) quick-clamping only needs rotating cam can clamp or unclamp workpiece for 0-90 °, and fixed caliper can be selected suitable operative orientation arbitrarily in 360 degree scopes, saved the time, has improved work efficiency; (3) have shockproof reliably, loosing-proof device; (4) simple in structure, easy to operate, easy to manufacture, with low cost.

Description of drawings

Fig. 1 is the utility model structural representation.

Fig. 2 is the A-A cutaway view of Fig. 1.

Fig. 3 is the vertical view of Fig. 1.

Fig. 4 is the cam schematic diagram of Fig. 1.

Fig. 5 is the vertical shaft schematic diagram of Fig. 1.

Among the figure: 1. fixed caliper, 2. regular jaw parallels, the jaw parallels that 3. floats, caliper 4. floats, 5. wear-resisting parallels, 6. steel ball, 7. compression spring, 8. housing pin, 9. screw, 10. vertical shaft, 11. cams, 12. handles, 13. adjustment screw, 14. return springs, 15. rapid traverse calipers, retaining bar on 16., 17. following retaining bar, 18. rotary tables, 19. attachment screws, 20. arc groove, 21. installing holes, 22. through hole elongated slots.

The specific embodiment

Shown in Fig. 1-5, this folder bench vice is by fixedly slew gear, stressed location self-locking stopping mechanism, workpiece clamping mechanism are formed, fixedly slew gear has fixed caliper 1 and rotary table 18, and fixed caliper 1 is installed in by attachment screw 19 and constitutes fixedly slew gear on the rotary table 18; Stressed location self-locking stopping mechanism has rapid traverse caliper 15 and retaining

bar

16,17 up and down, on the vertical equity direction of fixed caliper 1, through hole elongated slot 22 is set, install down

retaining bar

16,17 on the rapid traverse caliper 15, rapid traverse caliper 15 is installed in by following retaining bar 17 via through holes elongated slots 22 and constitutes stressed location self-locking stopping mechanism on the fixed caliper 1; Workpiece clamping mechanism has unsteady caliper 4, cam 11, vertical shaft 10 and handle 12, and rapid traverse caliper 15 tops connect unsteady caliper 4 by vertical shaft 10 and cam 11 is fixing through screw 9, and handle 12 is installed on the cam 11 and constitutes Workpiece clamping device.

In the cam Fast locker bench screw of the present utility model, the last retaining bar 16 on the rapid traverse caliper 15 and the central vertical position of following retaining bar 17 be not on a line, cam 11 is when clamping work pieces, the reaction force that vertical shaft 10 is subjected to last retaining bar 16 stress points on the rapid traverse caliper 15 are power arm, and last retaining bar 16 stress points on the rapid traverse caliper 15 retaining bar 17 stress points extremely down are resistance arm; The gap should not be excessive when cooperating with fixed caliper 1 for the last retaining bar 16 of rapid traverse caliper 15 and following retaining bar 17, to reduce the gradient of unsteady caliper 4 when the clamping work pieces.

In the cam Fast locker bench screw of the present utility model, at the clamping end face clamp for mounting and fixing mouth parallels 2 of fixed caliper 1.

In the cam Fast locker bench screw of the present utility model, clamping end face at the caliper 4 that floats is installed the jaw parallels 3 that floats, the working face of unsteady jaw parallels 3 is the inclined plane, offset the gradient of caliper when the clamping work pieces of floating with this, guarantee fixed caliper 1 and the stress point of unsteady caliper 4 when clamping work pieces point-blank.

In the cam Fast locker bench screw of the present utility model, the shockproof anti-loosening mechanism of self-locking is installed on cam 11, there are steel ball 6, compression spring 7 and housing pin 8 in the shockproof anti-loosening mechanism of this self-locking, on unsteady caliper 4, establish installing hole 21, steel ball 6, compression spring 7 are installed in the installing hole 21 by housing pin 8, steel ball 6 cooperates the arc groove 20 below the cam 11, arc groove 20 is the center of circle with cam 11 pivots, the middle part of arc groove 20 smoothly shoals gradually to the edge deeply, arc groove 20 to be about 1/4 cam circle long.

In the cam Fast locker bench screw of the present utility model, the middle part of vertical shaft 10 is square, with unsteady caliper 4 cooperation places return spring 14 and adjustment screw 13 are installed, make vertical shaft 10 gap when being slidingly matched unsuitable excessive, be clipped in the stressed tilt quantity that is produced during not at center line in jaw both sides to reduce when work with unsteady caliper 4.

In the cam Fast locker bench screw of the present utility model, with cam 11 contact positions wear-resisting parallels 5 is installed at unsteady caliper 4.

During clamping workpiece, direct mobile rapid traverse caliper 15 drives the caliper 4 that floats and blocks workpiece, and turning handle 12 promotes unsteady caliper 4 by cam 11 and comes clamping work pieces; After external force is cancelled, cam 11 self-lockings, rapid traverse caliper 15 also self-locking retaining under stressed situation, cause float caliper 4 can not after move, thereby clamping work pieces firmly; When unclamping workpiece, behind the loose cam 11, simultaneously light handle 12 drags backward, can unclamp caught workpiece earlier.

When cam 11 during at clamping work pieces, be under the stressed situation of vertical shaft 10, the stress point of the last retaining bar 16 of the stress point of vertical shaft 10 to the rapid traverse caliper 15 is that power arm is stressed to oblique below, the stress point of last retaining bar 16 to following retaining bar 17 stress points are that resistance arm is stressed obliquely upward, can cause rapid traverse caliper 15 positioning and locking retainings in fixed caliper 1 longitudinally on the optional position; Rapid traverse caliper 15 is under situation about not stressing, by own wt optional position on the longitudinal direction that locks in fixed caliper 1; Light handle 12 can make rapid traverse caliper 15 fast moving on the longitudinal direction of fixed caliper 1.

Claims

1. cam Fast locker bench screw, it is characterized in that: this folder bench vice is by fixedly slew gear, stressed location self-locking stopping mechanism, workpiece clamping mechanism are formed, fixedly slew gear has fixed caliper (1) and rotary table (18), and fixed caliper (1) is installed in rotary table (18) by attachment screw (19) and goes up fixedly slew gear of formation; Stressed location self-locking stopping mechanism has rapid traverse caliper (15) and retaining bar (16,17) up and down, through hole elongated slot (22) is set on the vertical equity direction of fixed caliper (1), install down retaining bar (16,17) on the rapid traverse caliper (15), rapid traverse caliper (15) is installed in fixed caliper (1) by following retaining bar (17) via through holes elongated slot (22) and goes up the stressed location self-locking stopping mechanism of formation; Workpiece clamping mechanism has unsteady caliper (4), cam (11), vertical shaft (10) and handle (12) to constitute, rapid traverse caliper (15) top connects unsteady caliper (4) by vertical shaft (10) and cam (11) is fixed through screw (9), and handle (12) is installed in cam (11) and upward constitutes Workpiece clamping device.

2. cam Fast locker bench screw according to claim 1 is characterized in that: the last retaining bar (16) on the rapid traverse caliper (15) and the central vertical position of following retaining bar (17) be not on a line.

3. cam Fast locker bench screw according to claim 1 is characterized in that: the clamping end face at the caliper (4) that floats is installed the jaw parallels (3) that floats, and the working face of the jaw parallels (3) that floats is the inclined plane.

4. cam Fast locker bench screw according to claim 1, it is characterized in that: go up at cam (11) the shockproof anti-loosening mechanism of self-locking is installed, there is steel ball (6) in the shockproof anti-loosening mechanism of this self-locking, compression spring (7) and housing pin (8), on unsteady caliper (4), establish installing hole (21), steel ball (6), compression spring (7) is installed in the installing hole (21) by housing pin (8), steel ball (6) cooperates the arc groove (20) below the cam (11), arc groove (20) is the center of circle with cam (11) pivot, the middle part of arc groove (20) smoothly shoals gradually to the edge deeply, arc groove (20) to be about 1/4 cam circle long.

5. cam Fast locker bench screw according to claim 1 is characterized in that: the middle part of vertical shaft (10) is square.

6. cam Fast locker bench screw according to claim 1 is characterized in that: caliper (4) is installed wear-resisting parallels (5) with the contact position of cam (11) floating.