CN213144935U

CN213144935U - Self-clamping cylinder

Info

Publication number: CN213144935U
Application number: CN202022167020.1U
Authority: CN
Inventors: 李国亮; 刘印明; 王淑友
Original assignee: Jinan Haiguang Mould Co ltd
Current assignee: Jinan Haiguang Mould Co ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-05-07
Anticipated expiration: 2030-09-28

Abstract

The utility model relates to a self-clamping cylinder, which comprises a cylinder body, a piston, a chassis and a sealing element, wherein the piston is arranged in the cylinder body, the chassis is fixed at the lower end of the cylinder body to form a sealing space, it is characterized in that the piston is in a disc structure, a cylindrical bulge is arranged at the central position of the upper end surface of the piston, the upper end of the bulge is fixedly connected with a sliding core through a fastener, the sliding core is of a special-shaped structure, the two sides of the cylinder body are provided with inclined sliding chutes, the upper end of the cylinder body is provided with a T-shaped groove along the horizontal direction, the two ends of the T-shaped groove of the cylinder body are respectively provided with a sliding block for installing a tool, thereby not only saving the cost but also reducing the working space, meanwhile, the mounting direction of the air cylinder is rotatable, when a workpiece needs to be processed on other working faces, the air cylinder only needs to be rotated, the workpiece does not need to be dismounted and repositioned, the time of workers is saved, and the workload is reduced.

Description

Self-clamping cylinder

Technical Field

The utility model relates to a cylinder technical field, concretely relates to self-clinching cylinder.

Background

The cylinder is a cylindrical metal part for guiding the piston to do linear reciprocating motion in the cylinder, and comprises a cylinder barrel, an end cover, the piston, a piston rod, a sealing piece and the like, but the piston rod of the existing cylinder can only stretch along the fixed direction of the cylinder body, if a workpiece needs to be machined and clamped, the two cylinders need to be clamped relatively, so that the cost is increased, the space is occupied, if the machining direction needs to be changed, the position of the workpiece needs to be adjusted, the reference surface needs to be repositioned, the time is wasted, and the workload is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a self-clinching cylinder to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a self-clamping cylinder comprises a cylinder body, a piston, a chassis and a sealing element, wherein the piston is arranged in the cylinder body, the chassis is fixed at the lower end of the cylinder body to form a sealing space, it is characterized in that the piston is in a disc structure, a cylindrical bulge is arranged at the central position of the upper end surface of the piston, the upper end of the bulge is fixedly connected with a sliding core through a fastener, the sliding core is of a special-shaped structure, the two sides of the cylinder body are symmetrically provided with inclined chutes, the upper end of the cylinder body is provided with a T-shaped groove along the horizontal direction, the two sides of the T-shaped groove of the cylinder body are respectively provided with a slide block for installing the tool, the two sides of the slide block are provided with bosses matched with the T-shaped groove, the slider be close to cylinder body center one end seted up with the spout matched with slide rail on the smooth core, the slider position placed in the middle set up the mounting groove that runs through the slider along length direction, the mounting groove both sides boss on evenly set up the same tooth of a plurality of size.

Preferably, the position of the T-shaped groove on the cylinder body corresponds to the length square of the sliding core and is parallel to the length direction of the sliding core.

Preferably, the upper end surface of the tooth is provided with a positioning groove in the center, and the groove opening direction of the positioning groove is perpendicular to the direction of the mounting groove.

Preferably, the middle position of the upper end surface of the cylinder body is fixedly connected with a limiting block for preventing the sliding core from sliding out through threads.

Preferably, the sliding block is in sliding connection with the cylinder body, and the sliding core is in sliding connection with the sliding block.

Preferably, the bosses on the two sides of the mounting groove are provided with a plurality of holes which are equal in size and are uniformly arranged on a straight line.

Preferably, the chassis is of a square structure, and mounting holes which are equal in size and are symmetrical are formed in four corners of the chassis.

Compared with the prior art, the beneficial effects of the utility model are that: the sliding core and the sliding block are arranged on the piston, the cylinder is controlled to clamp the piston in the vertical direction by stretching and retracting of the piston, the two ends of the cylinder can be fixed by one cylinder, the cost is saved, the working space is reduced, the mounting direction of the cylinder is rotatable, when a workpiece needs to be machined on other working faces, the cylinder is only required to be rotated, the workpiece does not need to be dismounted for repositioning, the time of workers is saved, and the workload is reduced.

Drawings

FIG. 1 is a schematic view of the structure of the self-clamping cylinder of the present invention;

FIG. 2 is a downward left side view of the self-clamping cylinder body-free and chassis-free piston of the present invention;

FIG. 3 is an upward schematic view of the self-clamping cylinder body-free and chassis-free piston of the present invention;

fig. 4 is a top view of the self-clamping cylinder without cylinder body and chassis.

In the figure: 1. the device comprises a cylinder body, 2, a piston, 3, a chassis, 4, a sliding core, 5, a sliding block, 201, a protrusion, 501, teeth, 502, a positioning groove, 503, a mounting groove, 504, a hole and 6 positioning blocks.

Detailed Description

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

In addition, if a detailed description of the known art is not necessary to show the features of the present invention, it is omitted. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1, 2 and 3, the self-clamping cylinder of the present invention comprises a cylinder body 1, a piston 2, a chassis 3, a sliding core 4 and a sliding block 5, wherein the cylinder body 1 and the chassis 3 are connected to form a sealed space through a fastening member, the piston 2 slides in the cylinder body to realize the telescopic motion of the cylinder, the piston 2 is in a disc structure, the upper end of the piston is provided with a protrusion 201, the protrusion 201 penetrates the upper end of the cylinder body to be in threaded connection with the sliding core 4, the sliding core 4 is in a special-shaped structure, the two sides of the piston are symmetrically provided with inclined sliding grooves, the upper end of the cylinder body 1 is provided with a T-shaped groove, the two ends of the T-shaped groove are provided with the sliding block 5, the lower end of the sliding block 5 is in sliding connection with the T-shaped groove on the cylinder body 1, one end of the sliding block 5 close to the sliding core 4 is provided with a sliding rail matched with the, the upper end of the sliding core 4 is provided with a positioning block 6, and two ends of the positioning block 6 are arranged on the upper end surface of the cylinder body so as to prevent the sliding core 4 and the sliding block 5 from sliding out of the cylinder when moving relatively.

The lower end of the sliding block 5 is provided with a boss matched with the T-shaped groove, the upper end surface of the sliding block is provided with a mounting groove 503 which runs through the length of the sliding block along the length direction, bosses at two sides of the mounting groove 503 are uniformly provided with a plurality of teeth 501 with the same size so as to prevent dust or oil stain deposition from influencing the flatness of a tool mounted on the sliding block, the middle position of the tooth surface of the sliding block 5 is provided with a positioning groove 502, the direction of the positioning groove is vertical to the direction of the mounting groove 503 so as to realize the positioning of the tool on the sliding block, the tooth surface bosses at two sides of the mounting groove 503 are symmetrically provided with a plurality of holes 504 with the same size and uniform positions and mounted on a straight line so as to realize the fixed connection of the tools with different sizes, the chassis is of a square structure, four corners of the chassis are provided with positioning holes connected with, only the angle between the chassis and the working table is required to be rotated, and the workpiece is not required to be dismounted again to be installed again after the angle is adjusted.

It should also be noted that, unless expressly stated or limited otherwise, the terms "disposed" and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. To those of ordinary skill in the art, the specific meanings of the above terms in the present invention may be understood in specific instances, and furthermore, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance

Referring to fig. 1, the working principle of the present invention is: the method comprises the steps of fixing an installed cylinder on an installation surface, installing a tool on sliding blocks on two sides of the cylinder, when a workpiece on the tool needs to be clamped tightly, only driving the cylinder to enable a piston to move downwards, driving a sliding core downwards to enable the sliding block to slide towards the sliding core in a square mode by the piston, when the workpiece needs to be supported from the inside, only driving the piston to move upwards, pushing the sliding blocks on two sides of a cylinder body to slide towards the direction far away from the sliding core by means of upward thrust of the sliding core to achieve supporting of the workpiece, and when the workpiece needs to process other surfaces, only loosening screws on a floor and enabling the cylinder to rotate 90 degrees.

Claims

1. A self-clamping cylinder comprises a cylinder body, a piston, a chassis and a sealing element, wherein the piston is arranged in the cylinder body, the chassis is fixed at the lower end of the cylinder body to form a sealing space, it is characterized in that the piston is in a disc structure, a cylindrical bulge is arranged at the central position of the upper end surface of the piston, the upper end of the bulge is fixedly connected with a sliding core through a fastener, the sliding core is of a special-shaped structure, two sides of the cylinder body are provided with inclined sliding grooves, the upper end of the cylinder body is provided with a T-shaped groove along the horizontal direction, two ends of the T-shaped groove of the cylinder body are respectively provided with a sliding block for installing a tool, bosses matched with the T-shaped grooves are arranged on two sides of the sliding block, a sliding rail matched with the sliding groove on the sliding core is arranged at one end of the sliding block close to the center of the cylinder body, the slider position placed in the middle set up the mounting groove that runs through the slider along length direction, mounting groove both sides boss on evenly set up the same tooth of a plurality of size.

2. A self-clinching cylinder as claimed in claim 1, wherein the T-slot in the body is positioned to correspond to the square of the length of the core and is parallel to the length of the core.

3. The self-clamping cylinder as claimed in claim 1, wherein a positioning groove of the positioning tool is formed in the center of the upper end surface of the tooth, and the groove forming direction of the positioning tool is perpendicular to the direction of the mounting groove.

4. The self-clamping cylinder as claimed in claim 1, wherein a stopper is fixedly connected to a central position of the upper end surface of the cylinder body via a screw thread to prevent the sliding core from sliding out.

5. A self-clinching cylinder as claimed in claim 1, wherein the blocks are slidably connected to the cylinder body, and the core is slidably connected to the blocks.

6. A self-clamping cylinder as claimed in claim 1 or 3 wherein the mounting groove has two side bosses each provided with a plurality of holes of equal size and arranged in a line.

7. The self-clamping cylinder as recited in claim 1, wherein the base plate is a square structure, and the four corners of the base plate are provided with mounting holes with equal size and symmetrical positions.