JP2573852Y2 - Manifold cylinder - Google Patents

Description

[Detailed description of the invention]

[0001]

[Technical field to which the present invention pertains]
The present invention relates to a manifold cylinder constituting one drive unit.

[0002]

2. Description of the Related Art When a plurality of types of products are produced on the same production line, it is necessary to replace a cylinder-based manufacturing tool disposed on the production line every time the product type is switched. For example, when positioning and fixing an automobile body using a cylinder-based positioning jig on an automobile production line, prepare a positioning jig for each type and prepare manufacturing tools according to the type of automobile sent. It is necessary to switch to the use position.

[0003]

[Problems to be Solved by the Invention] However, recently, there has been a demand for low-mix high-volume production to high-mix medium-volume or high-mix low-volume production, and frequent replacement of manufacturing equipment hinders production efficiency. It becomes a factor.

An object of the present invention is to provide a compact manifold cylinder that can easily select and use a manufacturing tool using a cylinder even when the kind of a product sent to a production line is different every time. is there.

[0005]

According to the present invention, a pair of cylinders are arranged side by side, a working fluid supply system is connected to one of the pair of cylinders, and the cylinder is disposed between the pair of cylinders. A communication path for communicating the movement directions of the piston rods of the two cylinders in the same direction by communicating with each other is connected, and a plurality of paired cylinders that are linked in the same direction by the supply of the working fluid from the working fluid supply system are bundled and configured. The bundled plural paired cylinders were arranged close to each other except for a space where the communication paths of the paired cylinders adjacent to each other were linearly connected.

According to a second aspect of the present invention, in the first aspect, the communication path is formed of a tube, and each of the cylinders is formed with a notch parallel to the communication path of the adjacent pair of cylinders.

According to the first aspect of the present invention, when the working fluid is supplied from one of the working fluid supply systems to one of the cylinders, the working fluid is simultaneously supplied to the other cylinder via the communication passage. The piston rods of the paired cylinders move in conjunction with each other in the same direction, and the paired cylinders constitute one drive unit by supporting a manufacturing tool such as a jig between the two piston rods of the paired cylinders. . Therefore, by mounting a different tool for each cylinder pair, it is possible to select a tool only for the number of pairs of cylinders, and this use can be easily selected by selecting the operation of the cylinder pair. In addition, by arranging a plurality of paired cylinders close to each other while leaving a space where the communication paths of the paired cylinders adjacent to each other are linearly connected, the manifold cylinder is greatly reduced in size, and the manifold cylinder is reduced in space. Can be achieved. Furthermore, since the communication path can be provided linearly, compared to a case where the communication path is bypassed,
The design of the communication passage is facilitated, and the length of the communication passage is shortened, so that the failure can be suppressed and the cost can be reduced.

According to the invention of claim 2, in addition to the operation of the invention of claim 1, the communication passage is formed by a tube, and each cylinder is formed with a notch parallel to the communication passage of the adjacent cylinder. By doing this, it is possible to prevent tube congestion, and of course,
By arranging the communication passage between adjacent cylinders, it is possible to further reduce the size and space of the manifold cylinder.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS. Reference numeral 1 denotes a substantially square front support plate, and 2 denotes a substantially square rear support plate. The two support plates 1 and 2 form a parallel support frame by tightening a tie rod 3 as a connecting member between each corner. Configure. The front support plate 1 and the tie rod 3 are connected and fixed by screwing a bolt 4 into one end of the tie rod 3, and the rear support plate 2 and the tie rod 3 are connected and fixed by screwing a bolt 5 into the other end of the tie rod 3. You.

The front support plate 1 is provided with 16 mounting holes 1a, and the rear support plate 2 is also provided with the same number of mounting holes 2a having a smaller diameter than the mounting holes 1a.
The mounting hole 1a and the mounting hole 2a
Polymerized one to one. Each stacking mounting hole 1 that stacks one to one
cylinders 6A ₁ , 6A ₂ , 6A ₃ , 6A
₄ , 7A ₁ , 7A ₂ , 7A ₃ , 7A ₄ , 6B ₁ , 6
_{B 2, 6B 3, 6B 4} , 7B 1, 7B 2, 7B 3, 7B
₄ is fitted and mounted, and is fastened and fixed by a nut 8. Cylinder 6A of the first stage from the top ₁ ～6A ₄
Sequence and the third stage of the sequence of cylinder 6B ₁ ~6B ₄ are polymerized as viewed in the vertical direction, the cylinder 7A ₁ ~ of the second stage
7A and polymerize ₄ sequence and the sequence of the fourth-stage cylinder 7B ₁ ~7B _4. Then, the first and third stage cylinders 6A
_{1 to} 6A ₄ , 6B _{1 to} 6B ₄ and second and fourth stage cylinders 7
The _{A 1 ~7A 4, 7B 1 ~7B} 4 being offset half a pitch in the lateral direction, each pair of cylinders are arranged in a staggered form as a whole. Therefore, a total of 16 cylinders 6A _{1
~6A 4, 7A 1 ~7A 4,} 6B 1 ~6B 4, 7B 1 ~
7B ₄ are compactly arranged on the square support plates 1 and 2.

[0011] Each cylinder 6A ₁ ~6A _4, 7A ₁ ~7A
_4, both _{6B 1 ~6B 4, 7B 1 ~7B} 4 constitutes the same configuration. A rod cover 10 and a head cover 11 are fitted and fixed to both ends of the cylinder tube 9. The rod cover 10 is fitted in a mounting hole 1 a of the front support plate 1, and the head cover 11 is mounted in a mounting hole 2 a of the rear support plate 2. Is fitted. Both covers 10, 11
Cannot be removed from the front side to the rear side with respect to each of the support plates 1 and 2, and the nuts 6 on the head cover 11 are tightened so that the cylinders 6A _{1 to} 6A ₄ , 7A
_{1 ~7A 4, 6B 1 ~6B 4} , 7B 1 ~7B 4 is fastened on the two support plates 1 and 2.

A piston 12 is slidably housed in the cylinder tube 9, and a piston rod 12a projects from the rod cover 10 so as to be slidable. The inside of the cylinder tube 9 is actuated by the piston 12 into working chambers 9a, 9b. Is divided into The rod cover 10 is provided with a pair of ports 10a and 10b at vertically symmetric positions.
It communicates with one working chamber 9a via the inner flow paths 10c and 10d.

[0013] with the pipe joint 13 of the straight type is screwed into the first stage of the upper port 10a of the cylinder 6A ₁ ~6A _4, supply and exhaust tube 14 is connected to the pipe joint 13, the first lower port 10b of the stages of the cylinder 6A ₁ ~6A ₄ and the third stage of the upper port 10a of the cylinder 6B ₁ ~6B ₄ are communicated with each other via an auxiliary tube 15. Also, the third stage of the lower port 10b of the cylinder 6B ₁ ~6B ₄ are then the blank plug. That is, working chamber 9a of the cylinder 6B ₁ ~6B ₄ of the third stage cylinder 6B ₁ of the third stage
～6B ₄ flow path 10c, the auxiliary tube 15, the first stage cylinder 6A ₁ ~6A ₄ flow path 10d, also working chamber 9
a, which communicates with the supply / exhaust tube 14 via the flow passage 10c and the pipe joint 13.

[0014] On the other hand, the head cover 11 one port 11a communicating is provided to the working chamber 9b, T-shaped pipe joint 16 in the third stage port 11a of the cylinder 6B ₁ ~6B ₄ is screwed The supply and exhaust tube 17 is connected to the pipe joint 16. Further, the first stage port 11a of the cylinder 6A ₁ ~6A ₄ and the pipe joint 18 of the elbow is screwed, between the pipe joint 18, 16 is connected by an auxiliary pipe 19. That is, the cylinder 6 of the working chamber 9b and the third stage of the first stage cylinder 6A ₁ ~6A ₄
The working chambers 9 b of B _{1 to} 6 B ₄ are both connected to the supply / exhaust tube 17. Therefore, intake and exhaust solenoid valves (not shown) connected to the tube 14, 17 the piston rod 12a and the third stage cylinder 6B ₁ ~6B ₄ cylinder 6A ₁ ~6A ₄ of the first stage by the switching control of (total eight in) And the piston rod 12a move in the same direction. That is, if compressed air is supplied from the supply / exhaust tube 17 side and compressed air is exhausted from the supply / exhaust tube 14 side, the piston rod 12a of the cylinder moves in conjunction with the projecting position as shown in FIG. If compressed air is supplied from the exhaust tube 14 side and compressed air is exhausted from the supply / exhaust tube 17 side, the piston rod 12a of the cylinder returns to the retracted position as shown in FIG.

Therefore, the cylinders 6A _{i to} 6B _i (i = 1
If each spanning mounted instruments such as the manufacture jig between the piston rod 12a of ~ 4) the instrument is placed switched in the use position and the non-use position without rotating, versus cylinder 6A _i, 6B _i Constitute one drive unit.

[0016] Incidentally, the cylinder tube 9 of the cylinder 6A _i of the first stage has a pair of piston position detector 20 is mounted on the band 21, an annular permanent magnet 22 which is assembled to the piston 12 comes to a predetermined position And the piston position detector 20 detects the piston position by magnetic sensitivity.

The second stage of the cylinder 7A ₁ ~7A ₄ and the fourth
Stage cylinder 7B ₁ ~7B ₄ also the cylinder 6A _i of the first stage
A pair relationship similar to the pair relationship between the second stage cylinder 6B _i and the third stage cylinder 6B _i is formed, and the second stage cylinder 7A _j (j = 1
4) piston rod 12a and fourth stage cylinder 7B
_{j and} the piston rod 12a are connected to the supply / exhaust tubes 23, 2
By opening and closing control of electromagnetic valves (not shown) (not shown) connected to 4, they move in the same direction. Further, a pair of piston position detector 25 is attached to the cylinder 7A _j of the fourth stage.

[0018] a cylinder 6B _i of the pair of notches 10e _1, 10e ₂ are formed, a cylinder 6A _i and the third stage of the first stage on the outer peripheral surface of the rod cover 10 for each cylinder 6A ₁ ~7B ₄ An auxiliary tube 15 for communicating the
Cut between the cylinder auxiliary tube 26 which communicates the cylinder 7A _j and the cylinder 7B _j of the fourth stage of the stage adjacent outs 1
0e ₂ and 10e ₁ are disposed in the gaps formed by them.

Therefore, the sixteen cylinders 6A _{1 to} 7B ₄
Of the cylinders 6A _i , 6B _i and 7 is not hindered by the auxiliary tubes 15 and 26.
A _j and 7B _j are bundled most compactly.

The use of the cylinders 6A _i , 6B _i and 7A _j , 7B _j thus compactly converged is determined by opening and closing the solenoid valve constituting the compressed air supply system together with the supply / exhaust tubes 14, 17, 23, 24. It is easily done by control. Therefore, the number of cylinders (eight in this embodiment)
Only changes in product types can be easily dealt with.

[0021] Note that the mounting hole 1a of the front support plate 1 for mounting the cylinder 6A _i and cylinder 7B _j of the fourth stage of the first stage are formed contiguous the semicircular through recess 1b, the front and rear Mounting holes 1 for both support plates 1 and 2
When the cylinders 6A _i and 7B _j are inserted and mounted in the cylinders a and 2a, the piston position detectors 20 and 25 are passed through the concave portions 1b.

The present invention is, of course, not limited to the above-described embodiment. For example, the strokes of a paired cylinder and another paired cylinder may be made different, or one of the paired cylinders may have a smaller diameter than the other. Alternatively, an embodiment in which the working fluid supply / exhaust for interlocking the piston rods of the cylinder with respect to both cylinders is branched and supplied outside the cylinders is also possible.

[0023]

As described above in detail, in the invention according to the first aspect, when the working fluid is supplied from one of the working fluid supply systems to the other cylinder, the working fluid is also supplied to the other cylinder through the communication passage. Simultaneously, the piston rod of the paired cylinder moves in the same direction in conjunction with each other, and the production unit such as a jig is supported between the two piston rods of the paired cylinder. Configure. Therefore, by mounting a different tool for each cylinder pair, it is possible to select a tool only for the number of pairs of cylinders, and this use can be easily selected by selecting the operation of the cylinder pair. In addition, by arranging a plurality of paired cylinders close to each other while leaving a space where the communication paths of the paired cylinders adjacent to each other are linearly connected, the manifold cylinder is greatly reduced in size, and the manifold cylinder is reduced in space. Can be achieved. Further, since the communication path can be provided linearly, the design of the communication path becomes easier and the path length of the communication path is shortened as compared with the case where the communication path is bypassed, so that the failure is suppressed and the cost is reduced. be able to.

According to the invention of claim 2, in addition to the effect of the invention of claim 1, the communication passage is constituted by a tube, and each cylinder is formed with a notch parallel to the communication passage of the adjacent cylinder. By doing this, it is possible to prevent tube congestion, and of course,
By arranging the communication passage between adjacent cylinders, it is possible to further reduce the size and space of the manifold cylinder.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention.

FIG. 2 is a side sectional view showing a state in which a piston rod of a cylinder is in a non-use position.

FIG. 3 is a side sectional view showing a state where a piston rod of a cylinder is in a use position.

[Explanation of symbols]

Front support plate 1, rear support plate 2, tie rod 3 as a connecting member, cylinders 6 A _i , 6 B
_i (i = 1 to 4) and 7A _j , 6B _j (j = 1 to 4),
Notches 10e ₁ and 10e ₂ , piston rod 12a,
Supply / exhaust tubes 14, 17, constituting a working fluid supply system
23, 24, auxiliary tubes 15, 26 as communication passages.

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. ⁶ , DB name) F15B 15/00 B23P 19/00 B62D 65/00

Claims (2)

(57) [Scope of request for utility model registration] 1. A pair of cylinders (6A _i , 6B _i and 7
A _j , 7B _j ) and a pair of cylinders (6
A _i, 6B _i and 7A _j, one cylinder of 7B _j) (6A _i and 7B _j) to the working fluid supply system (14, 1
The pair of cylinders with connecting 7,23,24) (6A _i, 6B _i and 7A _j, 7B _j) both cylinders (6A _i communicate with each other during, 6B _i and 7A _j, 7B _j)
The communication passages (15, 26) for interlocking the movement directions of the piston rods (12a) in the same direction are connected, and are interlocked in the same direction by the supply of the working fluid from the working fluid supply system (14, 17, 23, 24). versus cylinder (6A _i, 6B _i and 7A _j, 7B _j) together with configure multiple bundled its bundled plurality of pairs cylinder (6A _i, 6B _i and 7A _j,
7B _j ) with adjacent cylinders (6A _i , 6B _i)
And 7A _j , 7B _j ) are arranged close to each other leaving a space in which the communication paths (15, 26) are linearly connected. 2. The communication path (15, 26) is constituted by a tube, and each of the cylinders (6A _i , 6B _i and 7A) is formed.
_j , 7B _j ) has the adjacent paired cylinders (6A _i , 6B
B _i and 7A _j, 7B _j) communicating passage (15, 26) and parallel cutouts (10e _1, 10e ₂₎ formed claims 1, wherein the manifold cylinders.