KR200212625Y1 - Horizontal cylinder - Google Patents

Abstract

The present invention can prevent the flatness of the slide table from being changed, as well as directly mount the workpiece on the upper side of the slide table, and can also easily mount the cylinder body to the device. In the general horizontal movable cylinder having a cylinder body and a slide table horizontally moved from the top of the cylinder body, the lower center of the slide table is provided with guides having semicircular grooves on both sides, On both sides of the guide, which are both upper sides of the cylinder body, guide rails having a semicircular groove portion formed therein are symmetrically mounted, and a plurality of balls are provided between the semicircular groove portions formed on both sides of the guide rail and the semicircular groove portions formed inside the guide. It is characterized in that the mounting.

Description

Horizontal cylinder {Horizontal cylinder}

The present invention relates to a horizontal cylinder, and more specifically, it is possible to prevent the flatness of the slide table from being changed, as well as to mount the moving object directly on the upper side of the slide table, and furthermore, the cylinder body It relates to a horizontal cylinder that can be easily mounted to the device.

In general, horizontally moving cylinders, which are connected to the cylinder rod and mounted on the upper portion of the table to be moved horizontally to enable the precise horizontal movement of the moving object, and generally with a high precision of a machine tool, etc. It is widely used in the device to operate.

In addition, the horizontal cylinder is divided into a ball type and a roller type, depending on the type of sliding means when moving the table, the ball type has the advantage that can be applied to a high-precision device can obtain a smooth movement when moving the table However, the rigidity has a weak disadvantage, and the roller type has the advantage that the rigidity is stronger than the above-described ball type, but also has the problem of poor assembly and processability according to the mounting of the roller.

Thus, Figure 6 shows a 'slide actuator' of the Republic of Korea Patent Publication No. 96-14636, which is already known, the configuration thereof is as follows.

A cylinder body 100 having a horizontal cylinder chamber 101, a guide rail 200 mounted on the cylinder body 100 and extending from one end to the other end of the cylinder body 100, the guide rail ( In response to the movement of the piston 400, the piston 400 movably disposed in the cylinder chamber 101, mounted on the guide rail 200 to move along the 200; A piston rod 500 coupled to the piston 400 for movement, and a single plate 600 mounted on the end of the slide table 300 and holding the far end of the piston rod 500. It is characterized by.

Therefore, when the fluid is introduced into the cylinder chamber 101 formed in the cylinder body 100, as the piston 400 is horizontally moved, the slide table 300 mounted on the guide rail 200 moves horizontally. It will be.

In particular, Figure 7 is a cross-sectional view taken along the line CC of Figure 5, the upper guide rail 200 is fixed to the upper middle of the cylinder body 100 through a bolt penetrated from the bottom, the lower both sides of the slide table 300 The linear guide device 301 moving on the guide rails 200 is mounted.

In addition, the linear guide device 301 is fixed through a bolt penetrating from the top of the slide table (300).

However, as the linear guide device is mounted on both lower sides of the slide table and moves along the guide rails, the load of the slide table is transmitted from the left and right sides to the center guide rails. In addition to shortening the life of the roller (or ball) during the movement of the slide table, due to this cause has a problem that the flatness of the device for a long time is incorrect.

In addition, by fixing the linear guide device on the lower side of the slide table through the bolt penetrating from the top of the slide table, the moving object can not be directly installed on the upper side of the slide table due to the interference of the bolts to separate The connector had a problem that required it.

In addition, as the guide rail is fixed through the bolt penetrating the center of the cylinder body, a bolt hole is formed in the lower part of the cylinder body, which leads to many restrictions when mounting the cylinder body. The cylinder body had to be disassembled as a whole.

In addition, by forming the fluid supply hole and the switch mounting groove on one side of the cylinder body, there was also a problem that the installation of the cylinder is subject to a lot of restrictions, because only one side should be installed when mounting the cylinder.

The present invention is designed to solve the above problems, the slide table is moved by the guide rail by mounting the guide in the center of the slide table to be moved and the fixed guide rails on both sides of the upper cylinder body In the movement, the center of gravity in the center ensures that the force transmission direction can be reliably transmitted to the guide rails on both sides of the center, and minimizes the rotation moment of the ball (or roller) even if the device is used for a long time. An object of the present invention is to provide a horizontal cylinder that can prevent the flatness from being changed.

In addition, by mounting the guide in the lower center of the slide table, there is also an object to allow the object to be mounted directly in the upper space of the slide table.

In addition, the guide rail on which the guide is moved is fixed to the upper both sides of the cylinder body from the top of the guide rail through bolts to form the lower surface of the cylinder body in a plate shape, thereby facilitating the mounting of the cylinder body as well as the use of the cylinder. It is also intended to be able to disassemble the entire cylinder without removing the cylinder body during repair or cleaning.

In addition, by forming the air supply hole and the switch mounting groove symmetrically on both sides of the cylinder body, there is also an object to minimize the interference of the peripheral device by selectively mounting both sides of the cylinder.

The present invention for achieving the above object is, in a conventional horizontal cylinder having a cylinder and a slide table that is moved horizontally from the top of the cylinder body, the lower center of the slide table in the semi-circular grooves on both sides Guide guides are formed, and guide rails having semicircular groove portions formed on both sides of the guide, which are upper both sides of the cylinder body, are symmetrically mounted, and semicircular groove portions formed on both sides of the guide rail and semicircular grooves formed on the inside of the guide. Between the parts is characterized in that a plurality of balls are mounted.

1 is a perspective view showing a cylinder of the present invention.

Figure 2 is a front view showing a cylinder of the present invention.

3 is a partial cross-sectional view taken along line A-A of FIG.

4 is an enlarged sectional view taken along the line B-B in FIG.

5 is a cross-sectional view showing another embodiment of a sliding means according to the present invention.

Figure 6 is a partial cutaway front view showing a conventional cylinder.

7 is a cross-sectional view taken along the line C-C of FIG.

Explanation of symbols for main parts of the drawings

1: cylinder body

11: cylinder chamber

111: piston

12: tap ball

13: fluid supply hole

14: switch mounting groove

15: tap ball

2: slide table

21: assemblyman

22: bolt

3: guide

31: semicircular groove

32: tap ball

4: guide rail

41: semi-circular groove

42: assemblyman

43: Bolt

5: ball

6: Preload adjusting bolt

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view showing a cylinder of the present invention, Figure 2 is a front view of the cylinder according to the present invention, Figure 3 is a cross-sectional view taken along the line AA of Figure 2, Figure 4 is a cross-sectional view taken along the line BB of Figure 2, first, the configuration This is as follows.

A cylinder chamber 11 having a piston 111 mounted thereon is provided with a cylinder body 1 provided on both sides thereof, and a slide mounted on an upper portion of the cylinder body 1 and connected to the piston 111 to move horizontally. In a conventional horizontal cylinder with a table (2),

Guide 3 having semi-circular grooves 31 formed on both sides is mounted at the lower center of the slide table 2, and semi-circular grooves are provided at both sides of the guide 3, which is both upper sides of the cylinder body 1. The guide rail 4 having the 41 formed thereon is symmetrically mounted, and friction is formed between the semi-circular groove 31 formed on both sides of the guide 3 and the semi-circular groove 41 formed inside the guide rail 4. It is characterized in that a plurality of balls (5) is mounted to reduce.

In particular, since the fluid supply hole 13 and the switch mounting groove 14 are symmetrically formed at both sides of the cylinder body 1, the fluid supply hole 13 and the switch mounting groove 14 are formed according to the mounting position of the cylinder. The one on one side or the one on the other side can be used selectively. Therefore, it is possible to minimize the interference of the peripheral device when mounting the cylinder.

In addition, the preload adjusting bolt 6 is symmetrically mounted on both upper ends of the cylinder body 1 so that the guide rails 4 located on both upper sides of the cylinder body 1 can be moved toward the guide 3. According to the preload adjusting bolt (6) located on the opposite side of the mounting portion can be used.

This will be described in more detail as follows.

As shown in FIG. 4, a plurality of tab holes 32 vertically penetrates the middle of the guide 3, and a tap hole 32 formed in the guide 3 is formed at the center of the slide table 2. After forming a plurality of assembling holes 21 in the position corresponding to them, the assembling holes 21 through the bolt 22 from the top so that the spiral portion of the bolt 22 is fastened to the tab hole 32, The guide 3 is fixed to the slide table 2.

In addition, the guide rail 4 is formed with a plurality of assembling holes 41 which are vertically penetrated, and a plurality of tab holes 15 are formed at positions corresponding to the assembling holes 41 on both sides of the cylinder body 1. Next, the assembly holes 41 are fixed to the upper sides of the cylinder body 1 by penetrating the bolts 42 from the top to the tab holes 15.

Finally, a plurality of balls 5 are inserted between the semicircular grooves 31 formed on both sides of the guide 3 and the semicircular grooves 41 formed on the inside of the guide rail 4 to complete the assembly of the cylinder. It is.

On the other hand, Figure 5 shows another embodiment of the sliding means according to the present invention, the guide (3) is formed in the lower center of the slide table (2) is formed with a V-shaped groove portion 31 'on both sides, On both sides of the guide 3, which is the upper both sides of the cylinder body 1, the guide rails 4 having the V-shaped groove portions 41 'are formed on the inner side thereof symmetrically, and the V-shaped formed on both sides of the guide 3. Between the groove 31 'and the V-shaped groove portion 41' formed inside the guide rail 4, a plurality of rollers 5 'are mounted at different positions in different positions so as to reduce friction. will be.

Hereinafter, the operation relationship of the present invention configured as described above are as follows.

As shown in FIGS. 1 to 4, the guide 3 is mounted at the lower center of the slide table 2, and the guide rails 4 located at both sides of the guide 3 are mounted on the cylinder body 1. By mounting symmetrically on both sides of the upper, the center of gravity in the movement of the slide table 2 to be slid is concentrated to the center.

Therefore, the fixed guide rails 4 are mounted on both sides of the guide 3 mounted at the lower center of the slide table 2, thereby minimizing vibrations when the slide table 2 is moved. That is, as the guide 3 mounted at the lower center of the slide table 2 is mounted at the middle of the guide rail 4 positioned symmetrically on both sides, the guide 3 can be prevented from flowing to both sides. It can be.

In addition, as the center of gravity is moved to the center of the slide table 2 as the force transmission direction is stably transmitted to the guide rails on both sides, the rotation moment of the ball (or roller) is minimized, so even when the device is used for a long time, It can prevent the degree from changing.

In addition, by attaching the guide 3 mounted on the slide table 2 to the lower center of the slide table 2 through the bolt 32, the object to be moved can be directly mounted on both sides of the center of the slide table 2. It can be.

In addition, the lower part of the cylinder body 1 is formed in a plate shape by fastening the guide rails 4 mounted on both sides of the upper part of the cylinder body 1 through the bolts 43 at the upper part of the guide rail 4. As a result, the cylinder can be easily mounted to the device.

As described above, the present invention has an effect of obtaining a high precision of the cylinder by preventing the flatness of the slide table from being changed by having a center of gravity at the center when the slide table is moved.

In addition, by forming spaces on both sides of the slide table to directly mount the moving object, there is an effect of eliminating the need for a separate connector.

In addition, by forming the lower portion of the cylinder body in a plate shape, it is easy to mount the cylinder body as well as having the effect of disassembling the entire cylinder without removing the cylinder body during repair or cleaning of the cylinder during use.

In addition, by forming the air supply hole and the switch mounting groove symmetrically on both sides of the cylinder body to minimize the interference of the peripheral device according to the mounting of the cylinder, it has the effect of minimizing the constraints of the mounting of the cylinder.

Although the present invention has been described with reference to one embodiment shown in the drawings, this is merely exemplary, and it will be understood by those skilled in the art that various modifications and equivalent other embodiments are possible.

Claims (6)

A cylinder chamber 11 having a piston 111 mounted thereon is provided with a cylinder body 1 provided on both sides thereof, and a slide mounted on an upper portion of the cylinder body 1 and connected to the piston 111 to move horizontally. In a conventional horizontal cylinder with a table (2), Guide 3 having semi-circular grooves 31 formed on both sides thereof is mounted at the lower center of the slide table 2, On both sides of the guide 3, which is the upper both sides of the cylinder body 1, a guide rail 4 having a semicircular groove portion 41 formed therein is symmetrically mounted. A horizontal movable cylinder, characterized in that a plurality of balls (5) is mounted between the semi-circular groove portion 31 formed on both sides of the guide (3) and the semi-circular groove portion (41) formed inside the guide rail (4). The method of claim 1, wherein a plurality of tab holes 32 are vertically penetrated in the middle of the guide rail 3, the tab holes 32 formed in the guide 3 in the center of the slide table (2) A plurality of assembling holes 21 are formed at positions corresponding to the plurality of assembling holes 21, and bolts 22 penetrate through the upper parts of the assembling holes 21 to be fastened to the tab holes 32 to guide the guide 3 to the slide table 2. A retractable cylinder characterized by a fixing box. According to claim 1, The guide rail (4) is formed with a plurality of assembling holes 41 which are vertically penetrated, and a plurality of tap holes (at both sides of the cylinder body 1) at positions corresponding to the assembling holes (41) 15 is formed, and the assembling holes 41 are fastened to the tab hole 15 by bolts 42 penetrating from the upper part to fix the guide rails 4 to the upper both sides of the cylinder body 1. Horizontal cylinder. 2. The horizontal cylinder of claim 1, wherein the fluid supply hole (13) and the switch mounting groove (14) are formed symmetrically on both sides of the cylinder body (1). The horizontally moving cylinder according to claim 1, wherein the preload adjusting bolts (6) are symmetrically mounted on both upper ends of the cylinder body to move the guide rails (4) located on both upper sides toward the guides (3). . 2. The v-groove (41) of claim 1, wherein a v-groove (31 ') is formed on both sides of the guide (3), and the v-groove (41) is provided on the inside of the guide rail (4) mounted on both lower sides of the guide rail (4). ') Is formed, and a plurality of rollers 5' are positioned between the v-groove 31 'of the guide 3 and the v-groove 41' of the guide rail 4 to reduce friction. Horizontal shifting cylinders, characterized in that they are mounted at different times.