CN213136520U

CN213136520U - Automatic clamp

Info

Publication number: CN213136520U
Application number: CN202022132489.1U
Authority: CN
Inventors: 唐勇; 李明杰; 苏俊伟; 周向荣; 张建彬; 张伯文; 吴伟
Original assignee: Changsha Institute of Mining Research Co Ltd
Current assignee: Changsha Institute of Mining Research Co Ltd
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-05-07
Anticipated expiration: 2030-09-25

Abstract

The utility model provides an automatic change anchor clamps. The automatic clamp comprises a rack, clamping mechanisms oppositely arranged at two ends of the rack and a pressing mechanism used for pressing a workpiece close to the workpiece, wherein the workpiece is placed adjacent to the workpiece to be clamped. When this automatic anchor clamps clamp is got and is waited to press from both sides and get the work piece, hold-down mechanism can push down fixedly with what adjacent set up closes on the work piece, avoids closing on the work piece of adjacent setting because of with wait to press from both sides to get the work piece and lean on too tightly and produce factors such as frictional force and be driven the skew to the stability of getting is guaranteed to the clamp, carries the work piece faster, has greatly improved work efficiency, has reduced operating time.

Description

Automatic clamp

Technical Field

The utility model relates to an anchor clamps technical field especially relates to an automatic change anchor clamps.

Background

The clamp is a device for quickly, conveniently and safely clamping a workpiece in a process, and generally comprises a clamp frame and a clamping mechanism.

However, when a workpiece is clamped by a feeding clamp, an anchor clamps product in the prior art easily drives adjacent workpieces, namely, the adjacent workpieces are driven to deviate by factors such as friction force generated by too tight clamping of the workpieces, so that clamping and positioning are deviated, the anchor clamps have the technical defect that the workpiece cannot be clamped and the position of the workpiece needs to be manually adjusted, the automation degree is low, and the work efficiency of the clamping process of the anchor clamps is seriously reduced.

In view of the above, there is a need for an improved automated clamping apparatus, which can effectively fix the adjacent workpieces without shifting during the clamping process, and ensure the stability of the clamping operation, so as to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic change anchor clamps.

In order to realize the purpose of the utility model, the utility model provides an automatic clamp which comprises a frame, clamping mechanisms which are arranged at two ends of the frame relatively, and a pressing mechanism which is used for pressing a close workpiece which is arranged adjacent to a workpiece to be clamped;

the pressing mechanism comprises a pressing guide rod and a pressing seat which is connected with the pressing guide rod and the rack, the extending direction of the pressing guide rod is perpendicular to the extending direction of the rack, so that when a workpiece to be clamped is clamped, the pressing guide rod presses the close workpiece to prevent the close workpiece from moving.

As a further improvement of the utility model, the frame is rectangular form, compress tightly the seat include with the connecting portion of the mutual laminating of lateral wall of frame with certainly the installation department that extends is buckled perpendicularly to the one end of connecting portion, be provided with the confession on the installation department compress tightly the through-hole that the guide arm passed, compress tightly the extending direction of guide arm with the extending direction of connecting portion is parallel to each other.

As a further improvement, the one end that compresses tightly the guide arm be provided with the external screw thread with installation department threaded connection is provided with on the other end and is used for supporting the pressure close on the briquetting of work piece.

As a further improvement, the hold-down mechanism is further located including the cover compress tightly the spring in the guide arm periphery, the one end of spring with the installation department butt, the other end with the briquetting butt.

As a further improvement of the utility model, hold-down mechanism still includes stop nut, the one end that compresses tightly the guide arm is provided with the external screw thread, stop nut with external screw thread threaded connection, in order to adjust the working length who compresses tightly the guide arm.

As a further improvement of the utility model, clamping mechanism including relative set up in the first splint and the second splint and the corresponding sliding connection at frame both ends first splint and the first sliding subassembly and the second sliding subassembly of frame, second splint and frame to the distance is got to the clamp between adjustment first splint and the second splint.

As a further improvement, the installation part is further provided with a slide, the compression guide rod can be followed the slide moves to adjust the horizontal distance between the slide and the connecting part.

As a further improvement of the utility model, the pressing block is detachably connected with the pressing guide rod; the pressing seat is detachably connected to the rack.

As a further improvement, the first clamping plate and the second clamping plate are respectively and correspondingly provided with a buffer clamping block with a saw-toothed surface structure.

As a further improvement, the hold-down mechanism hold-down guide rod with the value range of the horizontal distance d that forms between the vertical center line of frame is greater than 1/2 of the width of waiting to press from both sides the work piece, and is less than the width of waiting to press from both sides the work piece.

The utility model has the advantages that:

1. the utility model provides an automatic clamp, only be provided with frame and clamping mechanism's basis at current anchor clamps product, carry out configuration optimization, hold-down mechanism has been add, so hold-down mechanism's structure sets up, can realize that automatic anchor clamps are pressing from both sides when getting to treat to press from both sides and get the work piece, guarantee that hold-down mechanism can push down fixedly with closing on the work piece of adjacent setting, and this hold-down mechanism does not press from both sides the work piece contact with treating to get, avoid closing on the work piece of adjacent setting among the prior art from this by pressing from both sides the work piece with treating to get the technical defect that factors such as frictional force produced by pressing from both sides the work piece and drive the skew, thereby guarantee the stability that the work piece was got, can carry the work piece faster, greatly improved the work efficiency of anchor clamps, the clamp is got operating time to the clamp.

2. In the pressing mechanism additionally arranged on the automatic clamp provided by the utility model, two ends of the spring sleeved on the pressing guide rod are respectively and tightly abutted against the lower end surface of the pressing seat and the upper end surface of the pressing block; the lower end surface of the pressing block is tightly abutted with a close workpiece which is arranged adjacent to the workpiece to be clamped and used for fixing the position of the close workpiece; then, through the movable thread fit connection who compresses tightly guide arm and gland nut, can realize the compression and the reseing of spring, from this, each subassembly of hold-down mechanism is mutually supported for when realizing that anchor clamps press from both sides to get and wait to press from both sides the work piece, the work piece that closes on of adjacent setting can be by stable compressing tightly, makes its position can not receive external force influence and take place the skew.

3. The utility model provides an automatic change anchor clamps is provided with the buffering that possesses cockscomb structure surface structure that materials such as adoption polyurethane foam prepared and form on clamping mechanism's splint and presss from both sides tight piece, not only can effectively and buffer clamp evenly and get the during operation, treats that the clamp is got the clamp that the work piece received and gets the effort, makes its both ends not receive the harm, can also increase and treat to press from both sides the frictional force of getting between work piece both ends and the splint, guarantees that anchor clamps are getting the stability of in-process and the integrality of getting the work piece of clamp.

Drawings

Fig. 1 is a front view of the automated clamp provided by the present invention.

Fig. 2 is a bottom view of the automatic clamp provided by the present invention.

Fig. 3 is a side view of the automated clamp provided by the present invention.

Reference numerals

100-an automated jig; 10-a frame; 20-a clamping mechanism; 21-a first clamping plate; 22-a second splint; 23-a first slide assembly; 24-a second slide assembly; 25-a buffer clamping block; 30-a pressing mechanism; 31-a compression seat; 32-a hold down guide; 33-a spring; 34-briquetting; 35-limit nut.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

It should be noted that, in order to avoid obscuring the present invention with unnecessary details, only the structures and/or processing steps closely related to the aspects of the present invention are shown in the drawings, and other details not relevant to the present invention are omitted.

In addition, it is also to be noted that 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.

Referring to fig. 1-3, the present invention provides an automatic clamp 100, which includes a frame 10, clamping mechanisms 20 disposed at two ends of the frame 10, and a pressing mechanism 30 for pressing a workpiece adjacent to the workpiece to be clamped.

In the present embodiment, the frame 10 has an elongated shape.

Referring to fig. 1 and 2, the clamping mechanism 20 includes a first clamping plate 21 and a second clamping plate 22 disposed at two ends of the frame, and a first sliding assembly 23 and a second sliding assembly 24 correspondingly slidably connecting the first clamping plate 21 and the frame, and the second clamping plate 22 and the frame, so as to adjust a clamping distance between the first clamping plate 21 and the second clamping plate 22. The structure is arranged so that the clamping plate is matched with the sliding assembly to movably clamp the workpiece to be clamped.

In the present embodiment, the clamping surfaces of the first clamping plate 21 and the second clamping plate 22 are respectively provided with buffer clamping blocks 25 having a saw-toothed surface structure; and the buffer clamping block 25 is made of polyurethane foam block material. Due to the structure, the clamping operation can be effectively and uniformly buffered, the clamping action force exerted on the workpiece is clamped, the two ends of the workpiece are not damaged, the friction force between the two ends of the workpiece and the clamping plate can be further increased, and the stability of the automatic clamp 100 in the clamping process and the integrity of the clamped workpiece are guaranteed.

Referring to fig. 3, the additional pressing mechanism 30 is disposed on the horizontal sidewall of the frame 10 and is fixedly connected to the frame 10. The pressing mechanism 30 comprises a pressing base 31, a pressing block 34, a pressing guide rod 32, a spring 33 sleeved on the periphery of the pressing guide rod 32 and a limiting nut 35.

In the present embodiment, the pressing mechanism 30 is disposed in the middle of the horizontal side wall of the frame 10. However, it should be understood by those skilled in the art that in other embodiments, the pressing mechanism 30 can be disposed at other positions on the horizontal side wall of the frame 10, and can perform the pressing function, so that adjacent workpieces disposed adjacently are not shifted.

The pressing base 31 connects the pressing guide rod 32 and the frame 10, and the extending direction of the pressing guide rod 32 is perpendicular to the extending direction of the frame 10, so that when the workpiece to be clamped is clamped, the pressing guide rod 32 presses the adjacent workpiece to prevent the adjacent workpiece from moving, that is, the workpiece to be clamped loaded between the first clamping plate 21 and the second clamping plate 22 and the adjacent workpiece under the pressing action of the pressing mechanism 30 are adjacently arranged side by side, are independent from each other, and are not interfered with each other.

Referring to fig. 3, the pressing base 31 includes a connecting portion attached to the side wall of the frame 10 and an installation portion extending from one end of the connecting portion in a vertical bending manner, a through hole for the pressing guide rod 32 to pass through is formed in the installation portion, and the extending direction of the pressing guide rod 32 is parallel to the extending direction of the connecting portion.

One end of the pressing guide rod 32 is connected with the pressing seat 31, and the other end is fixedly connected with the pressing block 34.

Two ends of the spring 13 respectively tightly abut against the lower end surface of the pressing seat 31 and the upper end surface of the pressing block 34; the lower end surface of the pressing block 34 abuts against an adjacent workpiece.

In the present embodiment, one end of the pressing guide rod 32 is provided with an external thread to be screwed with the mounting portion, and the other end is provided with a pressing block 34 for pressing against the adjacent workpiece.

In other embodiments, an external thread is disposed at one end of the pressing guide rod 32, and the limiting nut 35 is in threaded connection with the external thread to adjust the working length of the pressing guide rod 32, that is, the working length of the pressing guide rod 32 is changed by the movable connection of the limiting nut 35 and the screw thread of the pressing guide rod 32.

In other embodiments, the pressing guide rod 32 may also be slidably connected to the pressing base 31 through a slide rail (not shown) disposed on the mounting portion of the pressing base 31, so as to adjust the horizontal distance d formed between the pressing guide rod 32 and the vertical center line of the rack 10. The arrangement of the slideway structure can enable the automatic clamp 100 to adjust the pressing working surface of the pressing mechanism 30 according to different sizes and widths of different types of workpieces, so as to meet the requirement of wider application range and clamp workpieces of more types and widths.

Specifically, one end of the pressing guide rod 32 connected with the pressing block 34 is provided with an internal thread, the pressing block 34 is provided with a central through hole, and the pressing block 34 and the pressing guide rod 32 are detachably connected through a bolt.

The utility model provides an automatic change hold-down mechanism 30 that anchor clamps 100 were add's theory of operation lies in: in the pressing mechanism 30, two ends of a spring 33 sleeved on a pressing guide rod 32 are respectively and tightly abutted against the lower end surface of the pressing seat 31 and the upper end surface of the pressing block 34; the lower end surface of the pressing block 34 is tightly abutted with a nearby workpiece which is arranged adjacent to the workpiece to be clamped; the pressing mechanism 30 can be guaranteed to be pressed on the workpiece close to the pressing mechanism by the aid of the structure, and the position of the workpiece close to the adjacent pressing mechanism is stabilized and fixed. Then, through the cooperation of the one end that compresses tightly the guide arm 32 and connect the seat 31 with the active thread connection of gland nut 35, can realize the compression and the reseing of spring 33 for realize buffering to closing on the work piece and compress tightly the function, from this, each subassembly of hold-down mechanism 30 is mutually supported, when being used for realizing that automatic anchor clamps 100 press from both sides and get and wait to press from both sides and get the work piece, the work piece that closes on that adjacent setting can be by stable firm compressing tightly and location, make its position can not receive external force influence and take place the skew, make wait to press from both sides and get the work piece and close on not form the interference each.

In the present embodiment, a horizontal distance d formed between the pressing guide bar 32 of the pressing mechanism 30 and the vertical center line of the frame 10 has a value range larger than 1/2 of the width of the workpiece to be gripped and smaller than the width of the workpiece to be gripped. The setting of the value range of the horizontal distance d can ensure that when the clamping mechanism 20 clamps the workpiece to be clamped, the pressing block 34 of the pressing mechanism 30 is abutted closely to the adjacent workpiece, and the pressing working surface of the pressing block 34 is not intersected with the workpiece to be clamped, i.e., the workpiece to be clamped and the adjacent workpiece are mutually independent.

To sum up, the utility model provides an automatic change anchor clamps. The automatic clamp comprises a rack, clamping mechanisms and pressing mechanisms, wherein the clamping mechanisms and the pressing mechanisms are arranged on the left side and the right side of the rack. The pressing mechanism comprises a pressing guide rod and a pressing seat which is connected with the pressing guide rod and the rack, the extending direction of the pressing guide rod is perpendicular to the extending direction of the rack, so that when a workpiece to be clamped is clamped, the pressing guide rod presses the close workpiece to prevent the close workpiece from moving. When this automatic anchor clamps clamp is got and is waited to press from both sides and get the work piece, hold-down mechanism can push down fixedly with what adjacent set up closes on the work piece, avoids closing on the work piece of adjacent setting to be driven the skew because of with waiting to press from both sides to get the work piece and lean on factors such as too tightly and produce frictional force to guarantee to press from both sides the stability of getting, carry the work piece faster, greatly improved work efficiency, reduced operating time.

The above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. An automatic change anchor clamps which characterized in that: the automatic clamp (100) comprises a rack (10), clamping mechanisms (20) oppositely arranged at two ends of the rack (10) and a pressing mechanism (30) used for pressing adjacent workpieces which are arranged adjacent to the workpieces to be clamped;

the pressing mechanism (30) comprises a pressing guide rod (32) and a pressing seat (31) which is used for connecting the pressing guide rod (32) and the rack (10), the extending direction of the pressing guide rod (32) is perpendicular to the extending direction of the rack (10), so that when a workpiece to be clamped is clamped, the pressing guide rod (32) presses the adjacent workpiece to prevent the adjacent workpiece from moving.

2. The automated clamp of claim 1, wherein: frame (10) are rectangular form, compress tightly seat (31) include with the connecting portion that the lateral wall of frame (10) was laminated each other and certainly the installation department that extends is buckled perpendicularly to the one end of connecting portion, be provided with the confession on the installation department compress tightly the through-hole that guide arm (32) passed, compress tightly the extending direction of guide arm (32) with the extending direction of connecting portion is parallel to each other.

3. The automated clamp of claim 2, wherein: one end of the pressing guide rod (32) is provided with an external thread to be in threaded connection with the mounting part, and the other end of the pressing guide rod is provided with a pressing block (34) used for abutting against the adjacent workpiece.

4. The automated clamp of claim 3, wherein: the pressing mechanism (30) further comprises a spring (33) sleeved on the periphery of the pressing guide rod (32), one end of the spring (33) is abutted to the installation part, and the other end of the spring is abutted to the pressing block (34).

5. The automated clamp of claim 2, wherein: the pressing mechanism (30) further comprises a limiting nut (35), an external thread is arranged at one end of the pressing guide rod (32), and the limiting nut (35) is in threaded connection with the external thread to adjust the working length of the pressing guide rod (32).

6. The automated clamp of claim 2, wherein: still be provided with the slide on the installation department, compress tightly guide arm (32) and can follow the slide removes with adjust its with the horizontal distance of connecting portion.

7. The automated clamp of claim 3, wherein: the pressing block (34) is detachably connected with the pressing guide rod (32); the pressing seat (31) is detachably connected to the rack (10).

8. The automated clamp of claim 1, wherein: clamping mechanism (20) including set up relatively in first splint (21) and second splint (22) and corresponding sliding connection at frame both ends first splint (21) and frame, second splint (22) and the first sliding component (23) and the second sliding component (24) of frame to the distance is got in the clamp between adjustment first splint (21) and second splint (22).

9. The automated clamp of claim 8, wherein: the first clamping plate (21) and the second clamping plate (22) are respectively and correspondingly provided with buffering clamping blocks (25) with saw-toothed surface structures.

10. The automated clamp of claim 1, wherein: the range of the horizontal distance d formed between the pressing guide rod (32) of the pressing mechanism (30) and the vertical center line of the rack (10) is larger than 1/2 of the width of the workpiece to be clamped and smaller than the width of the workpiece to be clamped.