CN211490074U

CN211490074U - Locking mechanism

Info

Publication number: CN211490074U
Application number: CN201922315932.6U
Authority: CN
Inventors: 徐�明
Original assignee: Wuhan Alison Automation Co ltd
Current assignee: Wuhan Alison Automation Co ltd
Priority date: 2019-12-21
Filing date: 2019-12-21
Publication date: 2020-09-15
Anticipated expiration: 2029-12-21

Abstract

The utility model provides a locking mechanism, including backup pad, fixed die plate, actuating mechanism and tapered wedge, actuating mechanism fixed mounting is in the backup pad, and actuating mechanism and tapered wedge fixed connection and drive tapered wedge are linear motion, tapered wedge is selectively through the top of fixed die plate, includes first inclined plane on the tapered wedge, and when tapered wedge and fixed die plate contact, the first inclined plane of tapered wedge and the marginal facies counterbalance of fixed die plate upper end surface hold, and the first inclined plane of tapered wedge is towards the backup pad. The utility model discloses simple structure utilizes slide wedge mechanism, and it is effectual to press from both sides tight, and easily automated control has good application prospect simultaneously.

Description

Locking mechanism

Technical Field

The utility model relates to a welding equipment technical field especially relates to a locking mechanism.

Background

In the ultrasonic welding process, on can accurately transmitting the work piece in order to guarantee ultrasonic vibration energy, the clamping requirement to the work piece is higher, the less work piece of conventional volume can press from both sides tightly through the mould, it is fixed effectual, but to the great work piece of volume, the mould that the preparation corresponds the size is obviously not conform to the production demand of enterprise, consequently need be fixed to big work piece usually with the help of the clamping platform, utilize mobilizable die block to fix the tool of work piece, utilize the welding platform to fix the die block simultaneously.

The bottom die needs to be clamped on the surface of the bottom die after the working position is determined, so that the bottom die is prevented from vibrating with a welding platform to affect the fixing effect, the whole clamping mechanism needs to be fixed by means of an electrical element in order to enable the automation degree of the whole clamping mechanism to be higher, the conventional quick clamp is difficult to apply to the bottom die, the air cylinder is low in cost relatively and easy to control, but the clamping effect of the air cylinder is poor, and the vibration is difficult to inhibit.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a simple structure utilizes simple actuating mechanism can realize pressing from both sides the locking mechanism that tight effect is better.

The technical scheme of the utility model is realized like this: the utility model provides a locking mechanism, including backup pad, fixed die plate, remove many difficult mechanisms and tapered wedge, the fixed die plate is installed in the top of backup pad, actuating mechanism fixed mounting is in the backup pad, and actuating mechanism and tapered wedge fixed connection and drive tapered wedge are linear motion, the tapered wedge is selectively through the top of fixed die plate, includes first inclined plane on the tapered wedge, and when tapered wedge and fixed die plate contact, the first inclined plane of tapered wedge and the marginal facies of fixed die plate upper end surface are held mutually, and the first inclined plane of tapered wedge is towards the backup pad.

On the basis of the technical scheme, preferably, the limiting blocks are fixedly installed on the supporting plate, the limiting blocks are located on one side, away from the driving mechanism, of the fixed template, and the edges of the fixed template are abutted against the limiting blocks.

On the basis of the technical scheme, the wedge-shaped wedge is preferably further provided with a fixed sliding block, the fixed sliding block is fixedly installed at the end part, close to the wedge block, of the fixed template, when the wedge block moves, the edge of the upper end surface of the fixed sliding block firstly abuts against the wedge block, and the abutting position is located in the first inclined plane.

On the basis of the above technical scheme, preferably, one side of the upper end of the fixed sliding block, which is close to the wedge block, comprises a second inclined surface, the second inclined surface is arranged upward, when the wedge block moves, the second inclined surface firstly abuts against the first inclined surface, and the abutting position is located in the first inclined surface.

Still further preferably, the second inclined surface and the first inclined surface of the wedge block are parallel to each other.

On the basis of the technical scheme, the wedge-shaped wedge block is preferred to further comprise a fixed sliding chute, the fixed sliding chute is fixedly installed on the supporting plate, a sliding through hole is formed in the fixed sliding chute, and the inclined wedge block is installed in the sliding through hole in a sliding mode.

On the basis of the technical scheme, preferably, the number of the limiting blocks, the number of the driving mechanisms and the number of the inclined wedges are at least two, and each driving mechanism is respectively positioned on different side edges of the fixed template.

The utility model discloses a locking mechanism has following beneficial effect for prior art:

(1) the locking mechanism of the utility model utilizes the wedge mechanism to clamp the fixed template, and increases the clamping force of the fixed template on the basis of continuing to use the driving mechanism of the conventional air cylinder, oil cylinder or electric cylinder, thereby overcoming the problem of insufficient clamping force of the conventional driving mechanism;

(2) the whole device is simple in structure, the clamping amount of the driving mechanism to the fixed template is relatively small when the driving mechanism moves more strokes, the clamping process is milder, automatic control is easy, and the device has a wide application prospect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 according to these drawings without creative efforts.

Fig. 1 is an axonometric view of the locking mechanism of the present invention;

fig. 2 is an exploded view of the locking mechanism of the present invention;

fig. 3 is a side view of the locking mechanism of the present invention;

fig. 4 is a sectional view of a partially enlarged view of a portion a of fig. 3;

FIG. 5 is an isometric view of an oblique wedge in the locking mechanism of the present invention;

figure 6 is the utility model discloses the axonometric drawing of fixed slider among the locking mechanism.

In the figure: the device comprises a supporting plate 1, a fixed template 2, a driving mechanism 3, an inclined wedge 4, a limiting block 5, a fixed sliding block 6, a fixed sliding groove 7, a first inclined surface 41, a second inclined surface 61 and a sliding through hole 71.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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 all belong to the protection scope of the present invention.

As shown in fig. 1, combine fig. 2, 3, 4 and 5, the utility model discloses a locking mechanism, it includes backup pad 1, fixed die plate 2, actuating mechanism 3 and tapered wedge 4, and backup pad 1 is as the support component, and fixed die plate 2 is placed in the top of backup pad 1, actuating mechanism 3 fixed mounting is in backup pad 1, and actuating mechanism 3 and tapered wedge 4 fixed connection and drive tapered wedge 4 are linear motion, tapered wedge 4 is selectively through the top of fixed die plate 2, includes first inclined plane 41 on the tapered wedge 4, and when tapered wedge 4 and fixed die plate 2 contact, the first inclined plane 41 of tapered wedge 4 supports with the edge of fixed die plate 2 upper end surface, and the first inclined plane 41 of tapered wedge 4 is towards backup pad 1.

In the above embodiment, the driving mechanism 3 drives the wedge 4 to make a linear motion along a direction parallel to the plane of the supporting plate 1, so that the wedge 4 selectively passes over the fixed die plate 2, the first inclined surface 41 is disposed below one side of the wedge 4 close to the fixed die plate 2, the first inclined surface 41 selectively contacts with the fixed die plate 2, and the contact position is located in the first contact surface 41, when the wedge 4 continues to move in the direction close to the fixed die plate 2, due to the action of the first inclined surface 41, a wedge mechanism is formed between the wedge 4 and the fixed die plate 2, and a force perpendicular to the direction of the supporting plate 1 is formed by the transverse motion of the wedge, so that even if the transverse force is small, a large vertical force can be generated, thereby improving the clamping effect.

In a specific embodiment, the fixing device further comprises a limiting block 5, the limiting block 5 is fixedly installed on the supporting plate 1, the limiting block 5 is located on one side, away from the driving mechanism 3, of the fixing template 2, and the edge of the fixing template 2 abuts against the limiting block 5.

In the above embodiment, the lateral acting force generated by the wedge mechanism can be offset by the abutting action of the limiting block 5, so that the sliding is prevented from being generated under the condition that the static friction force between the supporting plate 1 and the fixed template 2 is insufficient, and the clamping effect cannot be achieved.

In the specific embodiment, the device further comprises a fixed slide block 6, wherein the fixed slide block 6 is fixedly arranged at the end part of the fixed template 2 close to the inclined wedge block 4, when the inclined wedge block 4 moves, the edge of the upper end surface of the fixed slide block 6 is firstly contacted with the inclined wedge block 4, and the contact position is positioned in the first inclined surface 41.

In the above embodiment, since the inclined plane contact position of the wedge mechanism needs to slide, it is necessary to ensure that the friction force at this position is as small as possible, so as to avoid abrasion to the wedge block 4 and the surface of the fixed template 2, and the fixed sliding block 6 is arranged to contact with the wedge block 4, thereby achieving better contact and clamping effects.

As shown in fig. 6, in the specific embodiment, one side of the upper end of the fixed slider 6 close to the wedge 4 includes a second inclined surface 61, the second inclined surface 61 is disposed upward, when the wedge 4 moves, the second inclined surface 61 first abuts against the first inclined surface 41, and the abutting position is located in the first inclined surface 41.

In the above embodiment, the wedge mechanism may also be formed by the relative sliding between the wedge 4 and the fixed slider 6, and it should be understood that the position where the first inclined surface 41 abuts against the second inclined surface 61 may also be the edge of the first inclined surface 41, and the abutting position is located inside the second inclined surface 61.

In a particular embodiment, the second inclined surface (61) is parallel to the first inclined surface 41 of the wedge 4.

In the above embodiment, when the first inclined surface 41 and the second inclined surface 61 are parallel to each other, the abutting position is a plane, the contact area is larger, the pressure of the stressed surface is smaller, the friction force is smaller, and relative sliding is easier to occur, so that a better clamping effect is easy to generate.

In a specific embodiment, the support device further comprises a fixed sliding chute 7, the fixed sliding chute 7 is fixedly installed on the support plate 1, a sliding through hole 71 is formed in the fixed sliding chute 7, and the wedge block 4 is slidably installed in the sliding through hole 71.

In the above embodiment, preferably, the cross-sectional area of the sliding through hole 71 is slightly larger than the cross-sectional area of the wedge 4, and the sliding through hole 71 can limit the movement track of the wedge 4 and prevent the relative sliding in the direction perpendicular to the fixed die plate 2, thereby indirectly improving the stability of the wedge mechanism and enhancing the clamping effect.

In a specific embodiment, the number of the driving mechanisms 3 and the number of the inclined wedges 4 are at least two, and the driving mechanisms 3 are arranged along the side edge of the fixed template in an array.

At least two driving mechanisms 3 and the inclined wedge blocks 4 can enable the stress of the fixed template 2 in different directions to be more uniform, and meanwhile, the clamping effect of the inclined wedge mechanisms is better.

In a specific embodiment, the driving mechanism 3 is one of a cylinder, an oil cylinder, and an electric cylinder.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a locking mechanism, includes backup pad (1) and fixed die plate (2), fixed die plate (2) are located the top of backup pad (1), its characterized in that still includes actuating mechanism (3) and tapered wedge (4), actuating mechanism (3) fixed mounting is on backup pad (1), and actuating mechanism (3) and tapered wedge (4) fixed connection and drive tapered wedge (4) are linear motion, tapered wedge (4) are selectively through the top of fixed die plate (2), include first inclined plane (41) on tapered wedge (4), and when tapered wedge (4) and fixed die plate (2) contact, first inclined plane (41) and the marginal facies counterbalance of fixed die plate (2) upper end surface of tapered wedge (4), first inclined plane (41) towards backup pad (1) of tapered wedge (4).

2. The locking mechanism according to claim 1, further comprising a limiting block (5), wherein the limiting block (5) is fixedly mounted on the support plate (1), the limiting block (5) is located on one side of the fixed template (2) far away from the driving mechanism (3), and the edge of the fixed template (2) abuts against the limiting block (5).

3. The locking mechanism according to claim 1, further comprising a fixed slide (6), wherein the fixed slide (6) is fixedly mounted at the end of the fixed template (2) close to the wedge (4), when the wedge (4) moves, the edge of the upper end surface of the fixed slide (6) first abuts against the wedge (4), and the abutting position is located in the first inclined surface (41).

4. The locking mechanism according to claim 3, characterized in that the side of the upper end of the fixed slider (6) close to the wedge (4) comprises a second inclined surface (61), the second inclined surface (61) is disposed upward, when the wedge (4) moves, the second inclined surface (61) first abuts against the first inclined surface (41), and the abutting position is located in the first inclined surface (41).

5. Locking mechanism according to claim 4, characterized in that the second inclined surface (61) is parallel to the first inclined surface (41) of the wedge (4).

6. The locking mechanism according to claim 1, further comprising a fixed sliding slot (7), wherein the fixed sliding slot (7) is fixedly mounted on the support plate (1), a sliding through hole (71) is formed in the fixed sliding slot (7), and the wedge block (4) is slidably mounted in the sliding through hole (71).

7. Locking mechanism according to claim 1, characterized in that the number of said actuating means (3) and wedges (4) is the same and at least two, said actuating means (3) being arranged in an array along the side of the fixed formwork.

8. Locking mechanism according to claim 1, wherein the actuating mechanism (3) is one of a pneumatic cylinder, a hydraulic cylinder and an electric cylinder.