JPH04104433U - End face butting device - Google Patents

Abstract

(57) [Summary] [Purpose] To reduce the number of cylinders 11 for driving,
To surely abut the end faces of members B such as treads while reducing the cost and size of a device. [Configuration] The protruding movement of the piston rod 12 of the cylinder 11 is controlled by the sliding rod 2 via the first and third links 21, 22, 40, 41.
Transmit to 9, 30, clamp 31, 32 and clamp base 27, 2
8 and grip the end T of member B. After that, when the piston rod 12 is further protruded, the clamp arms 24 and 25 are pulled by the third links 40 and 41 and rotated to close against the urging force of the spring 45, so that the end surfaces of the member B butt each other. let

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This idea involves gripping the ends of the parts, bringing them closer together, and butting the end faces together. The present invention relates to an end face butting device that allows the ends to be aligned.

0002

[Conventional technology]

As a conventional end face butting device, for example, by actuating a gripping cylinder, one clamp that grips one end of the strip when approached, and another gripping cylinder the other clamp that grips the other end of the strip when they approach each other by actuation of the and these one and other clamps respectively grip the ends of the strip member. When the ends of the strip member are brought closer together by bringing both clamps closer together, There are known cylinders equipped with a pair of butt cylinders that butt their end faces against each other. Ru.

0003

[Problem that the idea aims to solve]

However, such conventional end face butting devices have a large number of (4 in total) Since cylinders are used, the equipment costs are high, the size is large, and the reliability is high. There is also the problem that reliability is reduced.

0004 This idea can be manufactured at low cost, the device is small, and it is reliable. The object of the present invention is to provide a high end face butting device.

[0005]

[Means to solve the problem]

Such purpose is to fix the cylinder and the tip of the piston rod of the cylinder. A movable member that extends in a direction perpendicular to the cylinder, and one end at both ends of the movable member. They are each rotatably connected and are approximately parallel to the cylinder and extend in the opposite direction to the piston rod. a pair of first links extending from the cylinder, and a base end rotatably connected to the cylinder; A pair of clamp arms that are substantially parallel to each other and extend in the opposite direction to the piston rod, and a clamp arm. A clamp base is provided at each end of the arm, and the clamp base can be slid on. A pair of sliding rods inserted into the clamp arm and extending approximately parallel to the clamp arm, and a clamp Each sliding rod is provided at the tip of the sliding rod that protrudes from the base, and the sliding rod retracts. a clamp that grips the end of the member together with the clamp base when soldered; and a cylinder. one end is rotatably connected to the first link, and the other end is rotatably connected to the other end of the first link. a pair of second links that are operably connected and substantially perpendicular to the cylinder; The other end of one link is rotatably connected to the base end of the other sliding rod. One third link is connected to the other end, and one end is connected to the other end of the first link. The third link is rotatably connected to the proximal end of the sliding rod on the one side and the third link on the other side. in a direction in which the other intersecting third link and the tips of the clamp arms are separated from each other. Equipped with a spring that biases and rotates both clamp arms, the clamp base After gripping the end of the member between the and the clamp, protrude the piston rod of the cylinder. This allows the clamp arms to resist the biasing force of the spring so that the ends of the clamp arms are aligned against each other. The object is reached by rotating the gripped members so that they approach each other and abutting the end surfaces of the gripped members. can be achieved.

[0006]

[Effect]

To butt the end faces of parts, first attach one clamp base to the clamp. and between the other clamp base and the clamp. position the end of the Next, actuate the cylinder to protrude the piston rod and When you pull the 1st and 3rd links, the sliding rod will slide against the clamp base. then move to the rod side of the cylinder. Here, each clamp arm is connected to a piston rod Because the sliding rod extends in the opposite direction to the approaches the clamp base. As a result, each end of said member has a clamp base. gripped from both sides by base and clamps. At this time, both clamp arms are The tips are separated from each other by the force of the spring, that is, they are in an open state. This way If the piston rod of the cylinder protrudes further in this condition, the clamp base and clamp Since the sliding rod cannot move because the lamp grips the component, the third link begins to move as it is pulled in its own longitudinal direction. Here, the third link is The clamp arm is connected to the end of the clamp arm via a sliding rod. Because they are connected, the movement of these third links causes the clamp arm to move its proximal end. While opposing the biasing force of the spring at the center, the tips move closer to each other. Rotate (rotate to close). As a result, the ends of the gripped member are They approach each other, and the end surfaces of these members abut against each other. In this way, the parts The end faces are butted against each other, but in order to perform this kind of butting, this invention uses a Since one cylinder is sufficient, it can be manufactured at low cost and the equipment is also compact. , Furthermore, reliability can also be improved. Note that even if the structure is configured as described in claim 2, the same effects as described above can be obtained. I can do it.

[0007]

【Example】

An embodiment of this invention will be described below based on the drawings. In Figures 1 and 2, 11 is attached to a fixed frame (not shown) in the upper and lower directions. The piston rod 12 of this cylinder 11 extends downward. It extends. The tip (lower end) of this piston rod 12 has a movable member 15 in the longitudinal direction. The central part is fixed, and this movable member 15 is moved in a direction perpendicular to the cylinder 11, here horizontally. It extends to 16 is a guide rod whose lower end is fixed to the movable member 15 and parallel to the cylinder 11. The upper part of this guide rod 16 is a guide block fixed to the cylinder 11. is slidably inserted into the rack 17. A pin is provided at both longitudinal ends of the movable member 15. One end (lower end) of the pair of first links 21 and 22 is rotatably connected via links 19 and 20. These first links 21 and 22 are approximately parallel to the cylinder 11 and are parallel to the piston rod. It extends in the opposite direction to 12, that is, upward. 24 and 25 are a pair of clamp arms. These clamp arms 24 and 25 are almost parallel to the cylinder 11 and are aligned with the piston rod. It extends in the opposite direction to the head 12, that is, upward. These clamp arms 24, 25 The base end (lower end) is rotatably connected to the upper end of the cylinder 11 via the same pin 26. They are usually arranged in a V-shape. The tip of each clamp arm 24, 25 (upper Approximately horizontal and flat plate-shaped clamp bases 27 and 28 are attached to the ends), respectively. These clamp bases 27 and 28 have a pair of clamp arms 24 and 25 that are almost parallel to each other. Sliding rods 29, 30 are slidably inserted. These sliding rods 29 and 30 Clamp bases 27 and 28 are attached to the tips (upper ends) that protrude upward from the clamp bases 27 and 28. , 28 are attached to flat plate-shaped clamps 31 and 32, respectively. The clamps 31 and 32 have the sliding rods 29 and 30 inside the clamp arms 24 and 25, respectively. When retracted into the Grasp the end T of the pad from both sides. 34 and 35 are approximately perpendicular to the cylinder 11, that is, A pair of second links that are approximately horizontal, and one end (inner end) of these second links 34, 35. ) is rotatably connected to the cylinder 11 via the pin 26, while the other end ( The outer end) connects to the other end (upper end) of the first links 21 and 22 via pins 36 and 37, respectively. ) is rotatably connected to the 40 and 41 are a pair of third links; Among the links 40 and 41, one end (lower end) of the third link 40 is connected through the pin 36. and is rotatably connected to the other end of one first link 21, and the other end (upper end) is rotatably connected to the base end (lower end) of the other sliding rod 30 via a pin 42. ing. The other third link 41 has one end (lower end) connected to the pin 37. is rotatably connected to the other end of the other first link 22, and the other end (upper end) It is rotatably connected to the base end (lower end) of one sliding rod 29 via a pin 43, As a result, the third links 40 and 41 cross each other at the center. Na Also, one end of the third link 40, 41 is connected to the other end of the second link 34, 35. You can also do this. 45 is a spring supported by pin 26, and this spring 45 One end is locked to a locking pin 46 fixed to the base end of the clamp arm 24, and the other The end portion is locked to a locking pin 47 fixed to the base end of the clamp arm 25. to this As a result, both clamp arms 24 and 25 are biased and rotated in a direction in which their tips are separated from each other, as shown in FIG. As shown in the figure, when opened by a predetermined angle, it contacts cylinder 11 and restricts its rotation. be done.

[0008] Next, the operation of one embodiment of this invention will be explained. Both clamp arms 24 and 25 are now biased by the spring 45 and their tips are separated from each other. Suppose that the device is in the closed state, that is, in the open state. In this state, connect one clamp base 27 Place the end T of member B between the clamp 31 and the other clamp base 28 and the clamp. The end T of the member B is also positioned between the tip 32 and the tip 32. Next, operate cylinder 11 to make the piston The tongue rod 12 is made to protrude and the movable member 15 is moved downward. Movable parts like this When 15 moves downward, the first links 21, 22 and the third links 40, 41 are pulled downward. The sliding rods 29 and 30 are in sliding contact with the clamp bases 27 and 28. Move to the rod side of the cylinder 11, that is, downward. At this time, the second links 34 and 35 are It rotates downwards around pin 26. Here, each clamp arm 24, 25 is a piston Since the sliding rods 29 and 30 extend in the opposite direction to the rod 12, the sliding rods 29 and 30 are clamped by the movement. Retracts into pump arms 24 and 25, and clamps 31 and 32 approach clamp bases 27 and 28 do. As a result, the end T of the member B is connected to the clamp base 27 as shown in FIG. It can be gripped from both sides by the clamp 31 and by the clamp base 28 and clamp 32. held. In this state, the piston rod 12 of the cylinder 11 is made to protrude further. , the clamp bases 27, 28 and clamps 31, 32 grip member B, causing it to slide. Since the rods 29 and 30 cannot move any further, the third links 40 and 41 move in their own longitudinal direction. , and it begins to move downward along its length. Here, the third phosphorus The links 40 and 41 are arranged to intersect with each other, and the links 40 and 41 are arranged to intersect with each other, and Clamp arms 25 and 24 are connected to the tips of clamp arms 25 and 24. By moving the third links 40 and 41, the pin 26 is moved against the biasing force of the spring 45. Rotate around the center so that the tips approach each other (rotate to close). this As a result, the member B held between the clamp bases 27 and 28 and the clamps 31 and 32 The end portions T approach each other, and the end surfaces of these members B abut each other as shown in FIG. They are rolled and joined together. In this way, the end faces of member B are butted against each other. , in order to perform such a comparison, one cylinder 11 is sufficient in this embodiment. As a result, it can be manufactured at low cost, the equipment is also compact, and reliability is improved. You can also do it.

[0009] In addition, in the above-mentioned embodiment, when the end surfaces of the side treads are butted This invention is made of rubber, rubberized cloth, plastic, etc. It can also be applied to end-face butting of band-shaped members.

0010

[Effect of the idea]

As explained above, according to this invention, the end face butting device can be made inexpensive and small. It can be molded into a mold, and furthermore, reliability can be improved.

[Brief explanation of drawings]

FIG. 1 is an overall perspective view showing an embodiment of this invention.

FIG. 2 is a view taken along the line II in FIG. 1;

FIG. 3 is a schematic front view illustrating the operation of this invention.

FIG. 4 is a schematic front view illustrating the operation of this invention.

[Explanation of symbols]

11...Cylinder 12...Piston rod 15...Movable parts 21, 22...1st link 24, 25…clamp arm 27, 28...Clamp base 29, 30...Sliding rod 31, 32...clamp 34, 35...Second link 40, 41...Third link 45...Spring B...Component T...end

Claims (2)

[Scope of utility model registration request] Claims: 1. A cylinder, a movable member fixed to the tip of a piston rod of the cylinder and extending in a direction perpendicular to the cylinder, one end rotatably connected to both ends of the movable member and substantially parallel to the cylinder. a pair of first links extending in the opposite direction to the piston rod; a pair of clamp arms whose proximal ends are rotatably connected to the cylinder and extending in the opposite direction to the piston rod substantially parallel to the cylinder; Clamp base provided respectively,
A pair of sliding rods are slidably inserted into the clamp base and extend substantially parallel to the clamp arm, and a pair of sliding rods are provided at the tips of the sliding rods that protrude from the clamp base, and when the sliding rods are retracted, the members work together with the clamp base. a pair of second links, one end of which is rotatably connected to the cylinder, the other end of which is rotatably connected to the other end of the first link, and which are substantially perpendicular to the cylinder. and one third link whose one end is rotatably connected to the other end of the first link and the other end is rotatably connected to the base end of the other sliding rod, and the one end is rotatably connected to the other end of the first link. 1
The other end of the link is rotatably connected to the proximal end of one of the sliding rods, and the other third link intersects with the one third link, and the tips of the clamp arm are connected to each other. a spring that biases and rotates both clamp arms in the direction of separation; after gripping the end of the member between the clamp base and the clamp, the clamp arm is moved by protruding the piston rod of the cylinder. An end face butting device characterized in that the gripped members are rotated so that their tips approach each other against the biasing force of a spring, and the end faces of the gripped members are brought into abutment. 2. One end of the one third link is connected to the other end of the one second link, and one end of the other third link is connected to the other end of the other second link. The end face butting device according to claim 1.