CN217967070U

CN217967070U - Positioning and clamping device

Info

Publication number: CN217967070U
Application number: CN202221905523.7U
Authority: CN
Inventors: 姜伟
Original assignee: Saikeli Yantai Automobile Mould Technology Application Co ltd
Current assignee: Saikeli Yantai Automobile Mould Technology Application Co ltd
Priority date: 2022-07-22
Filing date: 2022-07-22
Publication date: 2022-12-06
Anticipated expiration: 2032-07-22

Abstract

The utility model provides a positioning and clamping device, which comprises a supporting underframe; the telescopic rod comprises a cylinder barrel and a piston rod, wherein the cylinder barrel is hinged to the first end of the supporting underframe; a clamping mechanism hinged at a second end of the support chassis; the hinge comprises a first connecting piece and a second connecting piece, the first end of the first connecting piece is hinged to the clamping mechanism, and the first end of the second connecting piece is hinged to the supporting underframe; one end of the piston rod is hinged with the second end of the first connecting piece and the second end of the second connecting piece. Effectively prevented grabbing device because the produced skew of any reason in the operation process, realized the accurate positioning to grabbing device's continuation and stability, improved the rate of accuracy that plate material grabbing device snatched to the plate material, and then improved production efficiency.

Description

Positioning and clamping device

Technical Field

The utility model relates to a positioner especially relates to a location clamping device.

Background

The hot stamping is a forming processing method for applying external force to a heated plate by a hydraulic press and a die and keeping the heated plate for a certain time to generate plastic deformation so as to obtain a workpiece with a required shape and certain mechanical property. In prior art, grabbing device mainly promotes its position of setting for through the cylinder when automatic change, nevertheless because the cylinder is fixed insecure to the grabbing device who targets in place sometimes, can't keep accurate positioning to it, even make grabbing device produce the skew when the operation to lead to grabbing device can't snatch the panel accurately, influence production efficiency.

SUMMERY OF THE UTILITY MODEL

In view of the above shortcomings of the prior art, an object of the present invention is to provide a positioning and clamping device for solving the problem that the precise positioning of the grabbing device in the prior art cannot be performed.

In order to achieve the above and other related objects, the present invention provides a positioning and clamping device including a support chassis; the telescopic rod comprises a cylinder barrel and a piston rod, wherein the cylinder barrel is hinged to the first end of the supporting underframe; a clamping mechanism hinged at a second end of the support chassis; the hinge comprises a first connecting piece and a second connecting piece, the first end of the first connecting piece is hinged to the clamping mechanism, and the first end of the second connecting piece is hinged to the supporting underframe; one end of the piston rod is hinged with the second end of the first connecting sheet and the second end of the second connecting sheet.

Preferably, the telescopic bar is a cylinder.

Preferably, a first position sensor is arranged at the front end of the telescopic cylinder and used for detecting the position information of the piston rod, and the first position sensor is connected with an alarm device.

Preferably, a second position sensor is arranged at the rear end of the telescopic cylinder and used for detecting position information of the piston rod, and the second position sensor is connected with the alarm device.

Preferably, the second end of the supporting underframe is provided with a limiting block.

Preferably, the clamping mechanism comprises a rotating part and a clamping part, and a clamping adjusting block is detachably fixed on the clamping part.

Preferably, the clamping adjusting block is fixedly connected to the clamping portion through a bolt.

As above, the utility model discloses a location clamping device has following beneficial effect: during the use, with the fixed one side that sets up the position at grabbing device of this location clamping device, after grabbing device reachd the set position, start flexible thick stick, make the piston rod promote the hinge and move forward, the hinge can promote clamping mechanism and remove, then press from both sides the clamping mechanism with grabbing device and fix at the set position, effectively prevented grabbing device because the produced skew of any reason at the operation in-process, realized the continuous stable accurate positioning to grabbing device, improved grabbing device and to the accurate rate that the board material snatched, and then improved production efficiency.

Drawings

Fig. 1 is a schematic structural view of the positioning and clamping device provided by the present invention.

Fig. 2 is a first view of a support chassis provided by the present invention.

Fig. 3 is a second view of the support chassis provided by the present invention.

Fig. 4 is a schematic structural diagram of the cylinder provided by the present invention.

Fig. 5 is a first view of the clamping mechanism provided by the present invention.

Fig. 6 is a second view of the clamping mechanism provided by the present invention.

Fig. 7 is a schematic structural diagram of the first connecting piece according to the present invention.

Fig. 8 is a schematic structural view of the clamping adjusting block provided by the present invention.

The reference numbers illustrate:

1. supporting chassis

10. Limiting block

2. Clamping mechanism

21. Rotating part

22. Clamping part

220. Clamping adjusting block

3. Hinge assembly

31. First connecting piece

32. Second connecting sheet

4. Cylinder

41. Cylinder barrel

42. Piston rod

401. First position sensor

402. Second position sensor

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.

In the description of the present invention, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediary, and a connection between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, are used herein to indicate orientations or positional relationships based on the orientation or positional relationship shown in the drawings, and are used only for convenience of description and to simplify the description, but not to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Please refer to fig. 1 to 8. It should be noted that the drawings provided in the present embodiment are only for schematically illustrating the basic concept of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, amount and proportion of each component may be changed arbitrarily and the layout of the components may be more complicated.

The utility model provides a positioning and clamping device, as shown in figures 1 to 8, the positioning and clamping device comprises a supporting underframe 1, a clamping mechanism 2, a hinge 3 and a telescopic cylinder, in particular, the telescopic cylinder comprises a cylinder 41 and a piston rod 42, wherein, the cylinder 41 is hinged at the first end of the supporting underframe 1, and the clamping mechanism 2 is hinged at the second end of the supporting underframe 1; the hinge 3 comprises a first connecting piece 31 and a second connecting piece 32, wherein a first end of the first connecting piece 31 is hinged on the clamping mechanism 2, a first end of the second connecting piece 32 is hinged on the supporting chassis 1, and one end of the piston rod 42 is hinged with a second end of the first connecting piece 31 and a second end of the second connecting piece 32.

With preferred embodiment, during the use, with the fixed one side that sets up the settlement position at grabbing device of this location clamping device, after grabbing device reachd the settlement position, start the telescopic bar, make piston rod 42 promote hinge 3 forward motion, hinge 3 can promote clamping mechanism 2 and remove, then clamp tightly through clamping mechanism 2 with grabbing device and fix in the settlement position, effectively prevented grabbing device because the produced skew of any reason in the operation process, realized the continuous stable accurate positioning to grabbing device, improved grabbing device's the rate of accuracy to the panel, and then improved production efficiency. However, in different embodiments, the positioning and clamping device can also be applied to other similar places for clamping and fixing the mechanism needing to be positioned.

In the present embodiment, the positioning and clamping device clamps the gripping device between the clamping mechanism and the limit stop by the clamping mechanism when in use.

Preferably, the telescopic bar is the air cylinder 4 in the embodiment, and the telescopic cylinder is adopted as the air cylinder position, so that the structure is simple, the cost is low, and the control is more accurate. Of course, in other alternative embodiments, the telescopic bar may be an electric cylinder or a hydraulic cylinder, etc. Further, in order to detect whether the air cylinder 4 pushes the clamping mechanism 2 to reach a designated position, that is, whether the clamping mechanism 2 clamps and positions the gripping device to meet a set requirement. Preferably, in this embodiment, a first position sensor 401 is disposed at the front end of the cylinder 4, and during normal use, the piston rod 42 in the cylinder 4 pushes the clamping mechanism 2 to move forward to clamp the gripping device at a set position, so as to meet the requirement of firm clamping. At this time, the other end of the piston rod 42 in the cylinder 4 just reaches the position of the first position sensor 401. However, in the actual operation process, the air cylinder 4 may have a jamming phenomenon, or for some other reasons, in the process that the piston rod 42 pushes the clamping mechanism 2 to clamp the fixed plate material gripping device, the other end of the piston rod 42 cannot completely reach the position of the first position sensor 401, so that the moving distance of the clamping mechanism 2 is reduced, the gripping device cannot be fastened and clamped, or the clamping strength is small, which does not meet the set requirement, at this time, namely, when the other end of the piston rod 42 cannot completely reach the position of the first position sensor 401, the first position sensor 401 is triggered to send a control signal, the alarm device is controlled to send an alarm signal, and a worker is timely notified to process the control signal. It should be noted that in the present embodiment, the hinge 3 is in the vertical (vertical) state when the piston cylinder 42 in the cylinder 4 pushes the hinge 3 to move forward, and then the hinge 3 pushes the clamping mechanism 2 to move to fasten the gripper clamp.

Preferably, as shown in fig. 1, a stopper 10 is provided at the second end (front end) of the supporting chassis 1, and the stopper 10 is used to further limit the hinge 3 to be in a vertical (vertical) state when the clamping mechanism 2 clamps and fixes the grasping device at the set position. Through the structural design, the clamping mechanism 2 can clamp the grabbing device more stably in the clamping state. Specifically, a threaded hole is formed in the second end (front end) of the supporting chassis 1, a countersunk head threaded hole is formed in the limiting block 10, the central axis of the threaded hole in the supporting chassis 1 is collinear with the central axis of the countersunk head threaded hole in the limiting block 10, and a bolt is in threaded fit with the threaded hole through the countersunk head threaded hole, so that the limiting block 10 is fixed to the second end (front end) of the supporting chassis 1 through the bolt. Specifically, in the actual use process, can also finely tune through setting up the gasket between stopper 10 and support chassis 1, eliminate the influence that some deviations brought. Preferably, the position of the limiting block 10 corresponds to the position where the first connecting piece 41 and the second connecting piece 42 are hinged to each other.

Further, in order to detect whether the clamping mechanism 2 returns to the original position after the clamping mechanism 2 completes clamping and positioning of the sheet material gripping device, preferably, in this embodiment, a second position sensor 402 is further disposed at the rear end of the air cylinder 4, and when the gripping device completes clamping and positioning, the piston cylinder 42 drives the clamping mechanism 2 to move backward, at this time, if the second position sensor 402 does not detect that the other end of the piston rod 42 returns to the position of the second position sensor 402, the second position sensor 402 sends a control signal to the alarm device, and the alarm device is controlled to send an alarm signal, so as to timely notify a worker to perform processing. Through the structural design, whether the clamping mechanism 2 returns to an appointed position after clamping and positioning the grabbing device can be detected, and the clamping mechanism is prevented from possibly interfering with parts which are operated next.

Specifically, as shown in fig. 1, 5 and 6, the clamping mechanism 2 includes a rotating portion 21 and a clamping portion 22, and when the clamping mechanism 2 clamps the gripping device, the clamping portion 22 is mainly matched with the limit stop to clamp the gripping device therebetween. In order to enable the positioning and clamping device to be suitable for clamping of gripping devices of various specifications, preferably, in this embodiment, the clamping adjusting block 220 is detachably fixed on the clamping portion 22, and when in use, a gasket can be additionally arranged between the clamping adjusting block 220 and the clamping portion 22, or the clamping adjusting block 220 with different width dimensions is replaced to adjust the width of the clamping portion 22, so that the positioning and clamping device can clamp and fix gripping devices of various specifications. Preferably, in this embodiment, the clamping adjusting block 220 is fixedly connected to the clamping portion 22 through a bolt, so that the structure is simple and the detachment is convenient.

The utility model discloses a location clamping device's beneficial effect does, when using, fix this location clamping device in one side of grabbing device's settlement position, when grabbing device reachs the settlement position, give cylinder 4 input gas through outside air supply, piston rod 42 among the control cylinder 4 promotes hinge 3 forward motion, and then make hinge 3 promote clamping mechanism 2 and rotate, make clamping mechanism 2 last clamping part 22 move forward, then press from both sides the clamping device through clamping part 22 and fix between clamping part and limit stop, the completion is pressing from both sides the tight location of grabbing device clamp at the settlement position, effectively prevented grabbing device because the produced skew of any reason at the operation in-process, realized the continuous stable accurate positioning to grabbing device, the accurate rate that plate material grabbing device snatched to the plate material has been improved, and then production efficiency has been improved. In this embodiment, it is necessary to control the gas pressure in the cylinder to at least 6bar during clamping.

To sum up, the utility model discloses a location clamping device carries out accurate mechanical positioning to stopping the sheet material grabbing device that targets in place through double acting cylinder, has effectively prevented sheet material grabbing device because the produced displacement of any reason, increases the stability and the accuracy of location through atmospheric pressure and position sensor signal feedback, required stable and accurate positioning's requirement when satisfying sheet material grabbing device operation. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention shall be covered by the claims of the present invention.

Claims

1. A positioning and clamping device, comprising:

a support chassis;

the telescopic cylinder comprises a cylinder barrel and a piston rod, wherein the cylinder barrel is hinged to the first end of the supporting underframe;

a clamping mechanism hinged at a second end of the support chassis;

the hinge comprises a first connecting piece and a second connecting piece, the first end of the first connecting piece is hinged to the clamping mechanism, and the first end of the second connecting piece is hinged to the supporting underframe; one end of the piston rod is hinged with the second end of the first connecting sheet and the second end of the second connecting sheet.

2. A positioning and clamping device, as claimed in claim 1, wherein: the telescopic cylinder is a cylinder.

3. A positioning and clamping device, as set forth in claim 1, wherein: the front end of the telescopic cylinder is provided with a first position sensor, the first position sensor is used for detecting position information of the piston rod, and the first position sensor is connected with an alarm device.

4. A positioning and clamping device, as claimed in claim 3, wherein: and a second position sensor is arranged at the rear end of the telescopic cylinder and used for detecting the position information of the piston rod, and the second position sensor is connected with the alarm device.

5. A positioning and clamping device, as claimed in claim 1, wherein: and a limiting block is arranged at the second end of the supporting underframe.

6. A positioning and clamping device, as set forth in claim 1, wherein: the clamping mechanism comprises a rotating part and a clamping part, and a clamping adjusting block is detachably fixed on the clamping part.

7. A positioning and clamping device, as claimed in claim 6, wherein: the clamping adjusting block is fixedly connected to the clamping part through a bolt.