CN216576851U - Anchor clamps and loading attachment - Google Patents

Abstract

The utility model provides an anchor clamps and loading attachment, wherein, anchor clamps include rotatable bottom plate, and the bottom plate both ends are equipped with first clamping jaw and second clamping jaw respectively, and first clamping jaw is used for the outer wall of centre gripping work piece, and the second clamping jaw is used for the inner wall of centre gripping work piece to rotate through the bottom plate, make corresponding clamping jaw centre gripping work piece. Anchor clamps, set up two sets of clamping jaws 180 degrees symmetric placement, can realize the quick reloading of work piece, make anchor clamps compactification.

Description

Anchor clamps and loading attachment

Technical Field

The utility model belongs to the machining material loading field especially relates to an anchor clamps and loading attachment.

Background

The jig is a device for fixing a processing object to occupy a correct position for receiving construction or inspection in a machine manufacturing process, and is also called a jig. In a broad sense, any device used to quickly, conveniently and safely mount a workpiece at any stage in a process may be referred to as a jig.

The fixture generally comprises a positioning element (for determining the correct position of a workpiece in the fixture), a clamping device, a tool setting guide element (for determining the relative position of the tool and the workpiece or guiding the direction of the tool), an indexing device (for enabling the workpiece to complete the processing of a plurality of stations in one-time installation, including a rotary indexing device and a linear movement indexing device), a connecting element, a fixture body (a fixture base), and the like.

But the automatic anchor clamps of unloading of traditional manipulator, at a cylinder station principle, have the shortcoming of compact structure, rely on the repeated positioning accuracy of robot or truss manipulator to realize the location material loading, have that positioning accuracy is not high, press from both sides and get shortcomings such as insecure.

SUMMERY OF THE UTILITY MODEL

The utility model provides a anchor clamps and loading attachment to solve the not compact technical problem of anchor clamps design that mentions in the background art.

In order to achieve the above object, the utility model discloses an anchor clamps and loading attachment's concrete technical scheme as follows:

the utility model provides an anchor clamps, includes rotatable bottom plate, and the bottom plate both ends are equipped with first clamping jaw and second clamping jaw respectively, and first clamping jaw is used for the outer wall of centre gripping work piece, and the second clamping jaw is used for the inner wall of centre gripping work piece to rotate through the bottom plate, make and correspond clamping jaw centre gripping work piece.

Furthermore, the clamping jaw is elastically and telescopically arranged on a bottom plate, and a proximity switch is arranged on the bottom plate to detect the shrinkage of the clamping jaw; and when the base plate is fed, the clamping jaw is contacted with the workpiece and contracts, and the proximity switch detects that the clamping jaw is contracted in place so as to control the clamping jaw to clamp the workpiece.

Furthermore, the clamping jaw is connected with the bottom plate in a sliding mode, the bottom plate is provided with a fixing plate, and an elastic piece is clamped between the fixing plate and the clamping jaw.

Furthermore, the bottom plate is provided with oppositely arranged guide rails, the two guide rails are jointly erected with a mounting plate, a driving cylinder is arranged on the mounting plate, and the clamping jaw is arranged on a chuck plate of the driving cylinder.

Furthermore, a guide shaft is arranged on one side, away from the driving cylinder, of the mounting plate and penetrates through the fixing plate.

Furthermore, the guide shaft penetrates through one end of the fixing plate to form a stop block, and the stop block can be abutted against the fixing plate and limit the sliding stroke of the driving cylinder.

Furthermore, the elastic part is a spring which is sleeved outside the guide shaft and clamped between the fixing plate and the mounting plate.

Furthermore, the chuck plate is provided with a base plate, the base plate is provided with a threaded hole, the seat plate of the clamping jaw is provided with a straight hole corresponding to the threaded hole, and the straight hole is connected with the threaded hole through a bolt.

Furthermore, the backing plate is provided with friction lines which are contacted with the seat plate.

A feeding device comprises the clamp.

The utility model discloses an anchor clamps and loading attachment have following advantage:

1. the two sets of clamping jaws are symmetrically arranged at 180 degrees, so that the workpiece can be quickly reloaded, and the clamp is compact;

2. the clamping jaw device adopts the combination of the spring and the proximity switch for induction, when a workpiece contacts a chuck, the feeding device continues to axially feed, and the proximity switch induces the workpiece to be in place by the floating of the spring, so that the accurate feeding of the workpiece is realized.

Drawings

FIG. 1 is a schematic view of the structure of a workpiece according to the present invention;

FIG. 2 is a schematic view of the structure of the clamping fixture of the present invention;

fig. 3 is a schematic view of the clamp structure of the present invention.

The notation in the figure is:

1. a base plate; 11. a guide rail; 2. a first jaw; 21. a first seat plate; 22. a first splint; 3. a second jaw; 31. a second seat plate; 32. a second splint; 4. a fixing plate; 41. a support; 5. mounting a plate; 51. a driving cylinder; 6. a guide shaft; 61. a stopper; 7. a spring; 8. a base plate; 81. rubbing the lines; 9. and (5) a workpiece.

Detailed Description

In order to better understand the purpose, structure and function of the present invention, the following description is made in detail with reference to the accompanying drawings.

As shown in fig. 1 to 3, the utility model discloses an anchor clamps, including rotatable bottom plate 1, 1 both ends of bottom plate are equipped with first clamping jaw 2 and second clamping jaw 3 respectively, and first clamping jaw 2 is used for the outer wall of centre gripping work piece 9, and second clamping jaw 3 is used for the inner wall of centre gripping work piece 9 to rotate through bottom plate 1, make and correspond clamping jaw centre gripping work piece 9.

Therefore, the outer wall or the inner wall of the workpiece 9 can be clamped through the rotation of the clamp in the process of each station flow according to the condition, and the universality of the clamp on the whole assembly line is realized.

The clamping jaw is elastically and telescopically arranged on the bottom plate 1, and the bottom plate 1 is provided with a proximity switch to detect the shrinkage of the clamping jaw; the clamping jaw is contacted with the workpiece 9 and contracts along with the feeding of the bottom plate 1, and the proximity switch detects that the clamping jaw contracts in place to control the clamping jaw to clamp the workpiece 9, so that accurate feeding is ensured. The elastic telescopic arrangement means that the clamping jaw is connected with the bottom plate 1 in a sliding mode, the bottom plate 1 is provided with a fixing plate 4, and an elastic part is clamped between the fixing plate 4 and the clamping jaw.

Specifically, the bottom plate 1 is provided with oppositely arranged guide rails 11, a mounting plate 5 is erected on the two guide rails 11, a driving cylinder 51 is arranged on the mounting plate 5, and the clamping jaws are arranged on a chuck plate of the driving cylinder 51. The mounting plate 5 is provided with a guide shaft 6 at one side far away from the driving cylinder 51, and the guide shaft 6 penetrates through the fixing plate 4 to assist the sliding and limiting of the guide rail 11. The guide shaft 6 has a stopper 61 formed through one end of the fixed plate 4, and the stopper 61 is capable of abutting against the fixed plate 4 and restricting a slide stroke of the driving cylinder 51.

The elastic element is a spring 7, the spring 7 is sleeved outside the guide shaft 6 and clamped between the fixed plate 4 and the mounting plate 5. And the proximity switch is also fixed on the fixing plate 4 by the bracket 41 to complete the installation of the proximity switch.

The jaws are secured to the chuck by a backing plate 8, the backing plate 8 being mounted on the chuck, the backing plate 8 being formed with friction ridges 81 and being threaded. The clamping jaw is formed with the bedplate, and the bedplate is opened has the slotted hole that corresponds with the screw hole, and slotted hole and screw hole bolted connection to make bedplate and friction line 81 contact. So that the jaw spacing is adjusted according to the type of workpiece 9.

And because the radial is equipped with two clamping jaws, the above-mentioned fixed plate 4, spring 7, guide rail 11, proximity switch and backing plate 8 etc. are equipped with two sets respectively.

The above description is the same for the first jaw 2 and the second jaw 3, and the difference between the first jaw 2 and the second jaw 3 is that the first clamping plate 22 of the first jaw 2 is located at one end of the outer side of the first seat plate 21 to clamp the outer wall of the workpiece 9; the second clamping plate 32 of the second clamping jaw 3 is positioned at one end of the inner side of the second seat plate 31 to clamp the inner wall of the workpiece 9.

To sum up, set up two sets of centre grippings through the symmetry, improve the compactness of anchor clamps to improve the precision and the stability of snatching of clamping jaw through elastic component and proximity switch.

The utility model also discloses a loading attachment, including foretell anchor clamps. Specifically, the feeding device can be a robot such as a serial robot or a parallel robot, and can also be a gantry and a sky rail lifter.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.

Claims (10)

1. The utility model provides an anchor clamps, its characterized in that includes rotatable bottom plate, and the bottom plate both ends are equipped with first clamping jaw and second clamping jaw respectively, and first clamping jaw is used for the outer wall of centre gripping work piece, and the second clamping jaw is used for the inner wall of centre gripping work piece, rotates through the bottom plate, makes corresponding clamping jaw centre gripping work piece.

2. The clamp of claim 1, wherein the jaws are resiliently and telescopically disposed on a base plate, the base plate having proximity switches disposed thereon for detecting jaw retraction; and when the base plate is fed, the clamping jaw is contacted with the workpiece and contracts, and the proximity switch detects that the clamping jaw is contracted in place so as to control the clamping jaw to clamp the workpiece.

3. The clamp of claim 2, wherein the jaws are slidably connected to a base plate, the base plate having a fixed plate, the fixed plate and the jaws having resilient members therebetween.

4. A clamp according to claim 3, wherein the base plate is provided with opposed guide rails, the guide rails together supporting a mounting plate on which the actuating cylinder is provided, the clamping jaws being provided on the clamping plate of the actuating cylinder.

5. A clamp according to claim 4, wherein the mounting plate is provided with a guide shaft on the side remote from the drive cylinder, the guide shaft extending through the mounting plate.

6. The jig of claim 5 wherein the guide shaft has a stopper formed through one end of the fixed plate, the stopper being adapted to abut against the fixed plate to limit the sliding stroke of the drive cylinder.

7. The clamp of claim 5, wherein the resilient member is a spring that is disposed outside the guide shaft and is sandwiched between the fixed plate and the mounting plate.

8. The clamp of claim 4, wherein the chuck plate has a backing plate with a threaded hole, and the base plate of the clamping jaw has a slotted hole corresponding to the threaded hole, the slotted hole being bolted to the threaded hole.

9. The clamp of claim 8, wherein the backing plate is formed with friction ridges that contact the seat plate.

10. A feeding device, characterized in that it comprises a clamp according to any one of claims 1-9.

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