CN210588864U

CN210588864U - Clamping mechanical device

Info

Publication number: CN210588864U
Application number: CN201921679410.8U
Authority: CN
Inventors: 王晓莉; 王德海; 郭墅; 刘殊男; 杨柳
Original assignee: Changchun University of Science and Technology
Current assignee: Changchun University of Science and Technology
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-05-22
Anticipated expiration: 2029-10-09

Abstract

The utility model provides a clamping mechanical device, which relates to the technical field of clamps, and comprises a fixed jaw and a movable jaw slidably connected with the fixed jaw, wherein the side wall of the movable jaw is movably connected with a screw rod, one end of the screw rod, which is far away from the movable jaw, extends to the outside of the fixed jaw and is in threaded connection with the fixed jaw, one end of the screw rod, which is far away from the movable jaw, is sleeved with a handle, the multi-directional clamping jaw is used for driving the bending push rod to bend in a clamping workpiece, so that an extrusion block clamps the side part of the workpiece, the force application point of the workpiece is increased, the clamping effect is improved, the position of the bending push rod can be regulated and controlled by an adjusting nut, the workpieces with different shapes and sizes can be conveniently fixed, the practicability is better, the movement of the screw rod is controlled by a mode that a large gear drives a small toothed ring to rotate, time and labor are saved, and the clamp is convenient to use when clamping workpieces which are too large or too small.

Description

Clamping mechanical device

Technical Field

The utility model relates to an anchor clamps technical field specifically is a centre gripping mechanical device.

Background

Vice, utilize screw rod or other mechanisms to make two keep silent do relative movement and the instrument of centre gripping work piece, generally by the base, the pincers body, fixed jaw and movable jaw, and make the drive mechanism that movable jaw removed constitute, according to the occasion of use different, there are types such as pincers worker vice and machine vice, the pincers worker vice is installed on the pincers worker workstation, supply the pincers worker to centre gripping work piece so that saw, processing such as file, the pincers worker vice is general to keep silent higher, be arch-shaped, the pincers body can rotate wantonly and fasten on the base, current vice only both sides carry out the centre gripping, the clamping effect is not good, when centre gripping great size or less size work piece, need rotate the screw rod tens of circles, waste time and energy.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a clamping mechanical device has solved current vice and has only both sides carry out the centre gripping, and the clamping effect is not good, when centre gripping great size or less size work piece, need rotate dozens of rings with the screw rod, the problem that wastes time and energy.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a centre gripping mechanical device, includes that fixed jaw and rather than sliding connection's removal are kept silent, the lateral wall swing joint who removes to keep silent has the screw rod, the screw rod is kept away from the one end that removes to keep silent and is extended to fixed jaw's outside and rather than threaded connection, the handle has been cup jointed to the one end that removes to keep away from to keep silent, the equal fixed mounting in one end of screw rod has the side lever to remove the both sides of keeping silent and fixed jaw's both sides, the outer wall of side lever has cup jointed slide cartridge and rather than threaded connection's nut, with two of one side swing joint has the push rod of buckling between the slide cartridge, the lateral wall of the push rod of buckling just.

Further, the outer wall threaded connection of screw rod has a barrel, and the barrel passes through bearing and fixed jaw's outer wall swing joint, the outer wall of barrel has cup jointed little ring gear, the meshing of one side of little ring gear has the gear wheel rather than the looks adaptation, and gear wheel movable mounting in fixed jaw's outer wall, the circumference of gear wheel is four times little ring gear.

Furthermore, the outer wall centre of a circle department joint of gear wheel has the right angle pole, and the outer wall of right angle pole has cup jointed rotatable sleeve.

Furthermore, the side wall of the bending push rod is fixedly connected with a spring, and two ends of the spring are respectively connected with two bending sections of the bending push rod.

Furthermore, one side of the extrusion block, which is far away from the bent push rod, is provided with an arc-shaped protrusion, and the outer wall of the arc-shaped protrusion is smooth.

Furthermore, a rubber plate is bonded to one side, away from the bent push rod, of the extrusion block, and the shape of the rubber plate is matched with that of the extrusion block.

Further, the lateral wall fixedly connected with arc pole of handle, and the tip of arc pole is to keeping away from the lateral buckling that removes the jaw.

Further, the side walls of the fixed jaw and the movable jaw are fixedly provided with a protective cylinder, and the protective cylinder is sleeved on the outer wall of the side rod.

(III) advantageous effects

The utility model provides a clamping mechanical device. The method has the following beneficial effects:

1. this centre gripping mechanical device can drive the turn of the push rod of buckling in the centre gripping work piece, makes the lateral part of extrusion piece to the work piece carry out the centre gripping, has increased the application of force point to the work piece, has improved the clamping effect, and adjusting nut can regulate and control the position of the push rod of buckling simultaneously, conveniently fixes the work piece of different shapes and size, and the practicality is better.

2. This centre gripping mechanical device drives the motion of little ring gear rotatory mode control screw through the gear wheel, and the rotatory four rings of screw rod can be controlled to the rotatory round of gear wheel, has accelerateed the speed that the screw rod is rotatory to drive the movable vice jaw and remove, and labour saving and time saving conveniently uses when the too big or undersize work piece of centre gripping.

Drawings

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

FIG. 2 is an enlarged view of A in FIG. 1;

fig. 3 is a schematic view of the small gear ring and the large gear of the present invention when they are connected.

In the figure: the device comprises a fixed jaw 1, a movable jaw 2, a screw rod 3, a handle 4, a side lever 5, a sliding barrel 6, a bent push rod 7, an extrusion block 8, a rubber plate 9, a spring 10, a nut 11, a protective barrel 12, a screw barrel 13, a small toothed ring 14, a large gear 15, a right-angle rod 16, a sleeve 17, an arc rod 18 and an arc protrusion 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The embodiment of the utility model provides a clamping mechanical device, as shown in fig. 1-3, comprising a fixed jaw 1 and a movable jaw 2 slidably connected with the fixed jaw, a screw 3 is movably connected with the side wall of the movable jaw 2, one end of the screw 3 far away from the movable jaw 2 extends to the outside of the fixed jaw 1 and is in threaded connection with the fixed jaw, a handle 4 is sleeved at one end of the screw 3 far away from the movable jaw 2, side bars 5 are fixedly installed at both sides of the movable jaw 2 and both sides of the fixed jaw 1 and one end far away from the screw 3, a sliding cylinder 6 and a nut 11 in threaded connection with the sliding cylinder are sleeved on the outer wall of the side bar 5, a bending push rod 7 is movably connected between the two sliding cylinders 6 at the same side, an extrusion block 8 is fixedly installed at the side wall of the bending push rod 7 and at the bending position, when the screw 3 is controlled to rotate by the handle 4, the expansion of the screw 3 in the, the movable jaw 2 can make the side rods 5 on two sides close to or far away from the movable jaw in the moving process, so that the bent push rod 7 on the side part of the fixed jaw 1 is bent or unfolded, the side part of a workpiece is clamped by the extrusion block 8 at the same time and is clamped by a plurality of surfaces, the clamping effect is better, the position of the bent push rod 7 can be regulated and controlled by the adjusting nut 11, and workpieces with different shapes and sizes can be conveniently fixed.

Wherein, the lateral wall fixedly connected with arc pole 18 of handle 4, and the tip of arc pole 18 is to keeping away from the lateral buckling of moving the vice jaw 2, has increased the length of handle 4, conveniently rotates screw rod 3.

Wherein, the equal fixed mounting of lateral wall of fixed 1 and mobile 2 of keeping silent has a section of thick bamboo 12 of protecting, and protects a 12 cover and locate the outer wall of side lever 5, has increased the area of contact of fixed 1 and side lever 5 of keeping silent, can alleviate the application of force that side lever 5 received, prolongs its life.

Wherein, the lateral wall fixedly connected with spring 10 of the push rod 7 of buckling, and the both ends of spring 10 are connected with two sections that the push rod 7 of buckling is buckled respectively, can make the push rod 7 of buckling keep the flat state, make things convenient for the centre gripping.

Wherein, the side of the extrusion block 8 far away from the bending push rod 7 is provided with an arc-shaped protrusion 19, the outer wall of the arc-shaped protrusion 19 is smooth, the extrusion block 8 which is convenient for rotating by the arc-shaped protrusion 19 contacts with a workpiece, and the clamping effect is improved.

Wherein, the rubber slab 9 that has bonded in one side that the push rod 7 was kept away from to extrusion piece 8, and the shape and the extrusion piece 8 looks adaptation of rubber slab 9 have increased extrusion piece 8's outer wall frictional force, improve the centre gripping effect.

Wherein, the outer wall threaded connection of screw rod 3 has barrel 13, and barrel 13 passes through bearing and the outer wall swing joint of fixed jaw 1, little ring gear 14 has been cup jointed to the outer wall of barrel 13, the meshing of one side of little ring gear 14 has gear wheel 15 rather than the looks adaptation, and gear wheel 15 movable mounting is in the outer wall of fixed jaw 1, the circumference of gear wheel 15 is four times of little ring gear 14, it is rotatory with barrel 13 to drive little ring gear 14 through the rotation of gear wheel 15, reach the purpose that control screw rod 3 removed, because the circumference of gear wheel 15 is four times of pinion 14, the rotatory round of gear wheel 15 can make the rotatory four rings of little ring gear 14, time saving and labor saving, conveniently use when the work piece of centre gripping oversize or undersize.

Wherein, the joint of the outer wall centre of a circle department of gear wheel 15 has right angle pole 16, and the outer wall of right angle pole 16 has cup jointed rotatable sleeve 17, and rotatable sleeve 17 conveniently rotates right angle pole 16, is convenient for control gear wheel 15's rotation.

The working principle is as follows: when the device is used, a workpiece is arranged in the fixed jaw 1, when the screw rod 3 is controlled to rotate by rotating the arc rod 18 and the handle 4, the screw rod 3 can stretch in the fixed jaw 1 to drive the movable jaw 2 to move so as to realize a clamping effect, the side rods 5 at two sides can be close to or far away from each other in the moving process of the movable jaw 2, so that the bent push rod 7 at the side part of the fixed jaw 1 is bent or unfolded, the side part of the workpiece is simultaneously clamped by the extrusion block 8 and is clamped by a plurality of surfaces, the position of the bent push rod 7 can be regulated and controlled by the adjusting nut 11 so as to conveniently fix the workpieces with different shapes and sizes, the rotating sleeve 17 and the right-angle rod 16 drive the large gear 15 to rotate, the large gear 15 drives the small toothed ring 14 and the screw barrel 13 to rotate, and the purpose of controlling the movement of the screw rod 3 is achieved, because the circumference of the large gear 15 is, the clamping device is convenient to use when clamping a workpiece which is too large or too small.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A clamping mechanical device is characterized by comprising a fixed jaw (1) and a movable jaw (2) connected with the fixed jaw in a sliding way, the side wall of the movable jaw (2) is movably connected with a screw rod (3), one end of the screw rod (3) far away from the movable jaw (2) extends to the outside of the fixed jaw (1) and is in threaded connection with the fixed jaw, a handle (4) is sleeved at one end of the screw rod (3) far away from the movable jaw (2), side rods (5) are fixedly arranged at both sides of the movable jaw (2) and both sides of the fixed jaw (1) and at one end far away from the screw (3), the outer wall of the side lever (5) is sleeved with a sliding cylinder (6) and a nut (11) in threaded connection with the sliding cylinder, a bending push rod (7) is movably connected between the two sliding cylinders (6) on the same side, and an extrusion block (8) is fixedly arranged on the side wall of the bending push rod (7) and positioned at the bending position.

2. A clamping mechanism as claimed in claim 1, wherein: the outer wall threaded connection of screw rod (3) has barrel (13), and barrel (13) pass through the outer wall swing joint of bearing and fixed jaw (1), little ring gear (14) have been cup jointed to the outer wall of barrel (13), one side meshing of little ring gear (14) has gear wheel (15) rather than the looks adaptation, and gear wheel (15) movable mounting in the outer wall of fixed jaw (1), the circumference of gear wheel (15) is the quadruple of little ring gear (14).

3. A clamping mechanism as claimed in claim 2, wherein: the centre of a circle of the outer wall of the big gear wheel (15) is clamped with a right-angle rod (16), and the outer wall of the right-angle rod (16) is sleeved with a rotatable sleeve (17).

4. A clamping mechanism as claimed in claim 1, wherein: the side wall of the bending push rod (7) is fixedly connected with a spring (10), and two ends of the spring (10) are respectively connected with two bent sections of the bending push rod (7).

5. A clamping mechanism as claimed in claim 1, wherein: an arc-shaped protrusion (19) is arranged on one side, away from the bent push rod (7), of the extrusion block (8), and the outer wall of the arc-shaped protrusion (19) is smooth.

6. A clamping mechanism as claimed in claim 1, wherein: one side of the extrusion block (8) far away from the bending push rod (7) is bonded with a rubber plate (9), and the shape of the rubber plate (9) is matched with that of the extrusion block (8).

7. A clamping mechanism as claimed in claim 1, wherein: the side wall of the handle (4) is fixedly connected with an arc rod (18), and the end part of the arc rod (18) is bent towards one side far away from the movable jaw (2).

8. A clamping mechanism as claimed in claim 1, wherein: the side walls of the fixed jaw (1) and the movable jaw (2) are fixedly provided with a protective cylinder (12), and the protective cylinder (12) is sleeved on the outer wall of the side lever (5).