CN209831403U

CN209831403U - Clamping mechanism based on cam

Info

Publication number: CN209831403U
Application number: CN201920404444.XU
Authority: CN
Inventors: 韩鹏; 刘坤才
Original assignee: Jiangsu Cowain Automation Technology Co Ltd
Current assignee: Jiangsu Kerian Technology Co ltd
Priority date: 2019-03-28
Filing date: 2019-03-28
Publication date: 2019-12-24
Anticipated expiration: 2029-03-28

Abstract

The utility model discloses a clamping mechanism based on cam, include: base, apron, support, handle and the tight piece of clamp, be provided with the lifter that extends to the apron top in the support, the handle bottom is provided with the cam with the lifter pin joint, the support rear is provided with the lifter plate of being connected with the lifter bottom, the symmetry is provided with the waist hole that extends to the outside below to one side on the lifter plate, press from both sides and be provided with the dabber in directional waist hole on the tight piece respectively, the dabber end is provided with the gyro wheel that is located the waist hole. In this way, based on clamping mechanism of cam, utilize the cam of handle bottom to cooperate with the apron top surface for realize the lift drive and the auto-lock of lifter when the handle upset, and utilize the lifter to drive reciprocating of lifter, the rethread is put the lift in waist hole to one side and is forced the gyro wheel and carry out lateral shifting, thereby realizes the synchronization action of pressing from both sides tight piece, presss from both sides tightly the product.

Description

Clamping mechanism based on cam

Technical Field

The utility model relates to a frock technical field especially relates to a clamping mechanism based on cam.

Background

In the prior art, in order to clamp both sides of a workpiece, two sets of clamping blocks are generally adopted, and the clamping blocks are respectively moved from both sides to clamp the product.

The drive of two sets of clamp pieces can be equipped with drive arrangement respectively, but the synchronism is poor, complex operation, perhaps utilizes gear and rack to link, can promote the synchronism of two sets of clamp pieces, but the structure is complicated, is difficult to carry out automatic locking, needs the improvement.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves provides a clamping mechanism based on cam, realizes pressing from both sides tightly the synchronous of work piece both sides to utilize the structure to realize the auto-lock.

In order to solve the technical problem, the utility model discloses a technical scheme be: there is provided a cam-based clamping mechanism comprising: base, apron, support, handle and the tight piece of clamp, the support sets up on the base, the apron sets up on the support, be provided with the lifter that extends to the apron top in the support, the handle bottom is provided with the cam with the lifter pin joint, the support rear is provided with the lifter plate of being connected with the lifter bottom, be provided with the transverse guide who is located the lifter plate rear on the base, press from both sides the setting of tight piece symmetry on the transverse guide who corresponds, the symmetry is provided with the waist hole that extends outside below to one side on the lifter plate, press from both sides the dabber that is provided with directional waist hole on the tight piece respectively, the dabber end is provided with the gyro wheel that is located the waist hole.

In a preferred embodiment of the present invention, the bottom of the clamping block is provided with a first sliding block clamped on the transverse guide rail.

In a preferred embodiment of the present invention, the support back is symmetrically provided with a vertical guide rail, the two ends of the lifting plate are provided with an adapter plate, the adapter plate is provided with a second slider clamped on the vertical guide rail, and the bottom of the cover plate is vertically provided with a spring connected with the bottom of the lifting rod, the adapter plate or the lifting plate.

In a preferred embodiment of the present invention, the handle and the cam are integrated.

In a preferred embodiment of the present invention, a step for limiting the closing of the handle is provided on one of the adapter plates, and the step is provided with a first magnet.

In a preferred embodiment of the present invention, the handle is of a ferrous structure and is magnetically attracted and limited by the first magnet.

In a preferred embodiment of the present invention, the handle is provided with a second magnet attracted to the first magnet.

The utility model has the advantages that: the utility model provides a clamping mechanism based on cam utilizes the cam of handle bottom to cooperate with the apron top surface for realize the lift drive and the auto-lock of lifter when the handle upset, and utilize the lifter to drive reciprocating of lifter, the rethread is put the lift in waist hole to one side and is forced the gyro wheel and carry out lateral shifting, thereby realizes the synchronization action of pressing from both sides tight piece, can press from both sides tightly the product, and keeps auto-lock state, easy and simple to handle automatically.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:

FIG. 1 is a schematic view of a preferred embodiment of the cam-based clamping mechanism of the present invention after opening;

fig. 2 is a schematic structural view of a preferred embodiment of the cam-based clamping mechanism of the present invention after closing;

fig. 3 is a schematic structural view of a preferred embodiment of the cam-based clamping mechanism according to the present invention after the clamping block is removed.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 ~ and fig. 3, an embodiment of the present invention includes:

the cam-based clamping mechanism shown in fig. 1 and 2 comprises: base 1, apron 12, support 2, handle 3 and press from both sides tight piece 7, support 2 sets up on base 1, apron 12 sets up on support 2, adopts the fix with screw, easy dismounting, be provided with the lifter 4 that extends to apron 12 top in the support 2, lifter 4 is L shape knee, is provided with the guiding hole that corresponds with 4 upper portions of lifter on the apron 12, is favorable to the lift of lifter 4.

The bottom of the handle 3 is provided with a cam 11 connected with the lifting rod 4 through a pin, and when the handle 3 swings, the lifting and self-locking of the lifting rod 4 are realized by the contact of the cam 11 and the top surface of the cover plate 12. The handle 3 and the cam 11 are of an integrated structure, and the operation is simple and convenient.

The rear of the bracket 2 is provided with a lifting plate 9 connected with the bottom of the lifting rod 4, and the lifting plate 9 can be driven to lift through the swinging of the handle 3. The base 1 is provided with a transverse guide rail 14 positioned behind the lifting plate 9, the clamping blocks 7 are symmetrically arranged on the corresponding transverse guide rail 14, and clamping grooves 10 corresponding to the outer side of the workpiece are formed in the inner sides of the clamping blocks 7, so that the clamping of the two sides of the workpiece is facilitated. The bottom of the clamping block 7 is provided with a first sliding block 13 clamped on a transverse guide rail 14, so that the stability of transverse movement of the clamping block 7 is improved.

As shown in fig. 3, waist holes 15 extending obliquely downward and outward are symmetrically arranged on the lifting plate 9, mandrels 17 pointing to the waist holes 15 are respectively arranged on the clamping blocks 7, rollers 16 located in the waist holes 15 are arranged at the tail ends of the mandrels 17, the lifting plate 9 drives the waist holes 15 to lift, and the rollers 16 are forced to move transversely when the inclined waist holes lift, so that the clamping blocks 7 are driven.

The back of the support 2 is symmetrically provided with vertical guide rails 5, the two ends of the lifting plate 9 are provided with adapter plates 18, the adapter plates 18 are provided with second sliding blocks 8 clamped on the vertical guide rails 5, the lifting stability of the lifting plate 9 is improved, the lifting plate 9 and the adapter plates 18 are fixed through screws, the lifting plate 9 can be conveniently replaced, and different waist holes 15 are used for changing the stroke of the clamping blocks 7.

The spring that is connected with lifter 4 bottom, keysets 18 or lifter plate 9 is vertically provided with in apron 12 bottom for lifter 4 receives the downward effect of spring all the time down, makes cam 11 realize elasticity auto-lock, and it is effectual to combat earthquake.

In order to avoid the release of the handle 3, it is necessary to perform a limit during clamping. Be provided with on the keyset 18 and carry out spacing step when closed to handle 3, be provided with first magnet 6 on the step, consequently, handle 3's structure has two kinds:

firstly, the handle 3 is of an iron structure and is magnetically attracted and limited by the first magnet 6, and the iron structure is firm in structure of the handle 3;

second, the non-iron structure on the handle 3, be provided with the second magnet that attracts mutually with first magnet 6 on the handle 3, suction is bigger, realizes the auto-lock of handle 3.

To sum up, the utility model provides a clamping mechanism based on cam, easy and simple to handle utilizes the swing of handle can realize pressing from both sides the clamp tightly and the release of pressing from both sides tight piece to through cam auto-lock and first magnet auto-lock, promoted the structural stability after pressing from both sides tightly.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.

Claims

1. A cam-based clamping mechanism, comprising: base, apron, support, handle and the tight piece of clamp, the support sets up on the base, the apron sets up on the support, be provided with the lifter that extends to the apron top in the support, the handle bottom is provided with the cam with the lifter pin joint, the support rear is provided with the lifter plate of being connected with the lifter bottom, be provided with the transverse guide who is located the lifter plate rear on the base, press from both sides the setting of tight piece symmetry on the transverse guide who corresponds, the symmetry is provided with the waist hole that extends outside below to one side on the lifter plate, press from both sides the dabber that is provided with directional waist hole on the tight piece respectively, the dabber end is provided with the gyro wheel that is located the waist hole.

2. The cam-based clamping mechanism of claim 1 wherein the clamping block is provided at its bottom with a first slide that snaps onto the transverse rail.

3. The cam-based clamping mechanism according to claim 1, wherein the back of the bracket is symmetrically provided with vertical guide rails, two ends of the lifting plate are provided with adapter plates, the adapter plates are provided with second sliders clamped on the vertical guide rails, and the bottom of the cover plate is vertically provided with a spring connected with the bottom of the lifting rod, the adapter plates or the lifting plate.

4. The cam-based clamping mechanism of claim 1, wherein said handle is a unitary structure with said cam.

5. The cam-based clamping mechanism of claim 3 wherein one of the adapter plates is provided with a step for limiting the closing of the handle, said step being provided with a first magnet.

6. The cam-based clamping mechanism of claim 5 wherein said handle is of ferrous construction and is magnetically restrained by a first magnet.

7. The cam-based clamping mechanism of claim 5 wherein said handle has a second magnet disposed thereon that attracts said first magnet.