CN211594185U

CN211594185U - Hydraulic tensioning gripper

Info

Publication number: CN211594185U
Application number: CN201921815833.8U
Authority: CN
Inventors: 张春华; 秦志红; 杨丁卯; 白汝佳; 岳志浩
Original assignee: Guangdong Simcheng Plastics Machinery Co Ltd
Current assignee: Guangdong Simcheng Plastics Machinery Co Ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-09-29
Anticipated expiration: 2029-10-25

Abstract

The utility model discloses a hydraulic pressure tight tongs that rises, including the urceolus of vertical setting, a plurality of draw-in grooves of seting up on the urceolus, the polylith sets up the tight piece that rises in the urceolus inner chamber, sets up the guide block bottom the urceolus and sets up the pneumatic cylinder at the urceolus top, and every tight piece that rises includes the driven part and snatchs the portion, and this driven part sets up in the urceolus inner chamber, and the draw-in groove can be stretched out to the portion of should snatching, the bottom that rises the tight piece supports and presses on the guide block, the pneumatic cylinder passes through all tight boards that rise of interlock mechanism. The tensioning gripper can effectively grip a finished film roll, and is stable and reliable in gripping and simple in structure.

Description

Hydraulic tensioning gripper

Technical Field

The utility model relates to a plastic film coiled material packing field, in particular to hydraulic pressure tight tongs that rises.

Background

In the automatic production of plastic film coiled material, can snatch and classify operations such as putting things in good order finished product membrane book, finished product membrane book includes that the cylinder winds the membrane section of thick bamboo and twines the film on winding the membrane section of thick bamboo outer wall, rises and tightly realizes snatching the inner tube that rises around the membrane section of thick bamboo that tight tongs can rise, but the structure of current tight tongs that rises is complicated, can not adjust the power of grabbing to snatch unstable inadequately to snatching of finished product membrane book, the finished product membrane book takes place to become flexible or drop easily in the transportation.

It is seen that improvements and enhancements to the prior art are needed.

SUMMERY OF THE UTILITY MODEL

In view of the foregoing prior art's weak point, an object of the utility model is to provide a hydraulic pressure rises and tightly grips, aim at can adjusting the power of grabbing, improve the stability of snatching of finished product membrane book.

In order to achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a hydraulic pressure tight tongs that rises, includes the urceolus of vertical setting, a plurality of draw-in grooves of seting up on the urceolus, and the polylith sets up the tight piece that rises in the urceolus inner chamber, sets up the guide block in outer bobbin base portion and sets up the pneumatic cylinder at the urceolus top, and every tight piece that rises includes the driven part and snatchs the portion, and this driven part sets up in the outer bobbin inner chamber, and this snatchs the portion and can stretch out the draw-in groove, the bottom that rises the tight piece supports and presses on the guide block, the pneumatic cylinder passes through all tight boards that rise of.

The linkage mechanism comprises a downward pressing sliding block arranged at the end part of a piston rod of the hydraulic cylinder, the downward pressing sliding block comprises a connecting section, a cylindrical section and a truncated cone section which are connected with each other, the lower end of the truncated cone section shrinks inwards, and an inclined plane which is attached to the conical surface of the truncated cone section is arranged on one side of the driven part, which faces the downward pressing sliding block.

The top of the driven part is provided with an upper limiting block.

The guide block is detachably connected with the outer cylinder, and the lower end of the guide block is retracted inwards.

And one end of the connecting section is provided with a threaded blind hole which is coaxial with the cylindrical section, and the end part of the piston rod of the hydraulic cylinder is connected with the pressing sliding block through the threaded blind hole.

And a flange plate is fixedly arranged at the top of the outer barrel.

The lower part cover of pneumatic cylinder is equipped with a fixed plate, and the pneumatic cylinder passes through fixed plate and flange dish screwed connection.

The tensioning surface of the grabbing part is in a rack shape.

Has the advantages that:

the utility model provides a hydraulic pressure tight tongs that rises compares prior art, and pneumatic cylinder drive piston rod stretches out, makes the conical surface of truncated cone section and the inclined plane sliding connection of all driven parts to produce the component and promote the outside removal of tight piece that rises, thereby make the portion of snatching stretch out the draw-in groove, the tight board that rises props tightly in the inner wall of rolling up around the membrane. As the hydraulic cylinder is selected as the driving element, the grabbing force can be adjusted through the output pressure of the hydraulic cylinder. Therefore, the tensioning hand grip can effectively grip the finished film roll, the gripping is stable and reliable, and the structure is simple.

Drawings

Fig. 1 is a perspective view of the hydraulic tensioning gripper provided by the utility model.

Fig. 2 is the utility model provides a hydraulic pressure rises and tightly grips the cross-sectional view.

Detailed Description

The utility model provides a hydraulic pressure tight tongs that rises, for making the utility model discloses a purpose, technical scheme and effect are clearer, clear and definite, and it is right that the following refers to the drawing and the embodiment of lifting the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the scope of the invention.

Please refer to fig. 1 and 2, the utility model provides a hydraulic pressure tight tongs that rises, including the urceolus 1 of vertical setting, a plurality of draw-in grooves 1.1 of seting up on the urceolus, the polylith sets up the tight piece 2 that rises in the urceolus inner chamber, sets up the guide block 3 of outer bobbin base portion and sets up the pneumatic cylinder 4 at the urceolus top, every tight piece 2 that rises includes the driven part 2.1 and the portion of snatching 2.2, this driven part 2.1 sets up in the urceolus inner chamber, this portion of snatching 2.2 can stretch out draw-in groove 1.1, the bottom of the tight piece 2 that rises supports to press on guide block 3, pneumatic cylinder 4 drives all tight boards that rise through the interlock mechanism 2 and radially stretch out or retract along the.

The number of the tension plates 2 is at least two, and they are uniformly arranged along the circumference of the outer cylinder, although the embodiment provides a case with 4 tension plates, it does not limit the number of the tension plates.

Specifically, the linkage mechanism comprises a downward pressing slide block 6 arranged at the end part of a piston rod of the hydraulic cylinder, the downward pressing slide block 6 comprises a connecting section 6.1, a cylindrical section 6.2 and a truncated cone section 6.3 which are connected with each other, the lower end of the truncated cone section 6.3 is inwards contracted, and one side of the driven part, facing the downward pressing slide block, is provided with an inclined surface 2.1a attached to the conical surface of the truncated cone section. When a piston rod of the hydraulic cylinder extends downwards, the conical surface of the truncated cone section 6.3 is in sliding connection with the inclined surfaces 2.1a of all the driven parts, and component force is generated to push the tensioning block to move outwards, so that the grabbing part extends out of the clamping groove 1.1 and a workpiece is tensioned. The connecting mechanism has simple structure and good linkage.

Specifically, the top of the driven part is provided with an upper limiting block 2.1 b. The upper limiting block is vertically arranged, and when the tensioning block is tensioned outwards to a limit position, the upper limiting block is pressed against the inner wall of the outer barrel to limit the tensioning block to move outwards continuously.

Preferably, the guide block 3 is detachably connected to the outer cylinder 1, and a lower end of the guide block is inwardly contracted. The finished film roll cannot be grabbed to ensure that the center hole is accurately aligned with the tensioning gripper, and the guide block is arranged, so that the tolerance range of alignment deviation can be enlarged, and the use convenience is improved.

In order to avoid interference between the tensioning hand grab and the extended tensioning block when the tensioning hand grab extends into the film winding cylinder, the lower end of the grabbing part is also provided with a guide inclined plane 2.2a, and the grabbing part can be pushed back into the outer cylinder when the film winding cylinder is wound.

Specifically, one end of the connecting section 6.1 is provided with a threaded blind hole 6.1a which is coaxial with the cylindrical section 6.2, and the end part of the piston rod of the hydraulic cylinder is connected with the pressing sliding block through the threaded blind hole. Through setting up like this, connect reliably, the axiality is unanimous.

Furthermore, a flange 7 is fixedly arranged at the top of the outer cylinder. The hydraulic tensioning hand grab can be arranged on the mechanical arm through the flange plate, and is convenient to disassemble and assemble.

The lower part cover of pneumatic cylinder is equipped with a fixed plate 8, and the pneumatic cylinder passes through fixed plate and flange dish screwed connection. The hydraulic cylinder is vertically installed stably and cannot deviate.

Preferably, the tensioning surface of the grabbing part 2.1 is in a rack shape, so that a plurality of tensioning surfaces are arranged at intervals, the pressure of each tensioning point is increased, and grabbing is more powerful and reliable.

When the automatic film winding machine works, the hydraulic tensioning gripper is arranged on the mechanical arm, the mechanical arm aligns the guide block to the bobbin A of a finished film roll, then the hydraulic tensioning gripper extends into the film winding barrel, at the moment, the hydraulic cylinder 4 drives the piston rod to extend out, so that the conical surface of the truncated conical section 6.3 is in sliding connection with the inclined surfaces of all the driven parts 2.1, a component force is generated to push the tensioning block to move outwards, the grabbing part 2.2 extends out of the clamping groove 1.1, the tensioning plate 2 is tightly supported in the inner wall of the film winding roll, and then the mechanical arm drives the finished film roll to be stacked. As the hydraulic cylinder is selected as the driving element, the grabbing force can be adjusted through the output pressure of the hydraulic cylinder. Therefore, the tensioning hand grip can effectively grip the finished film roll, the gripping is stable and reliable, and the structure is simple.

It is understood that equivalent substitutions or changes can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such changes or substitutions shall fall within the scope of the present invention.

Claims

1. The utility model provides a hydraulic pressure tight tongs that rises, its characterized in that, includes the urceolus of vertical setting, a plurality of draw-in grooves of seting up on the urceolus, and the polylith sets up the tight piece that rises in the urceolus inner chamber, sets up the guide block bottom the urceolus and sets up the pneumatic cylinder at the urceolus top, and every tight piece that rises includes the driven part and snatchs the portion, and this driven part sets up in the urceolus inner chamber, and this snatchs the portion and can stretch out the draw-in groove, the bottom of the tight piece that rises supports and presses on the guide block, the pneumatic cylinder passes through all tight boards.

2. The hydraulic tensioning gripper according to claim 1, wherein the linkage mechanism comprises a pressing slider arranged at the end of a piston rod of the hydraulic cylinder, and the pressing slider comprises a connecting section, a cylindrical section and a truncated conical section which are connected with each other; the lower end of the truncated cone section shrinks inwards, and one side of the driven part, facing the downward pressing sliding block, is provided with an inclined plane attached to the conical surface of the truncated cone section.

3. The hydraulic tensioning gripper according to claim 1, wherein an upper limiting block is arranged at the top of the driven part.

4. The hydraulic tensioning gripper according to claim 1, wherein the guide block is detachably connected to the outer cylinder, and a lower end of the guide block is retracted inward.

5. The hydraulic tensioning gripper according to claim 2, wherein one end of the connecting section is provided with a threaded blind hole which is coaxial with the cylindrical section, and the end part of the piston rod of the hydraulic cylinder is connected with the pressing sliding block through the threaded blind hole.

6. The hydraulic tensioning gripper according to claim 1, wherein a flange is fixedly arranged at the top of the outer cylinder.

7. The hydraulic tensioning gripper according to claim 6, wherein a fixing plate is sleeved on the lower portion of the hydraulic cylinder, and the hydraulic cylinder is connected with the flange plate through the fixing plate in a threaded manner.

8. The hydraulic tensioning gripper according to claim 1, wherein the tensioning surfaces of the gripping portions are rack-shaped.