JP2023093781A - Press-in device - Google Patents

Abstract

To provide a press-in device which can perform press-in vertically even when an attachment member arranged in an arrangement concavity of an attachment object member falls and is inclined.SOLUTION: A press-in device 1 arranges an attachment member M provided by a press-in part M2 by protruding to the outer periphery of a rod-like part M1 in an arrangement concavity N1 provided in an attachment object member N, and attaches the press-in part M2 to a press-in concavity N2 provided on the bottom of the arrangement concavity N1 by performing press-in with the pressing means 20. The pressing means 20 includes a plurality of claw parts 21 which are located around the rod-like part M1 and press the press-in part M2 when getting close to the press-in part M2 in the pressing direction. Tip parts of the respective claw parts 21 can be opened/closed in the direction of getting close to each other/being separated from each other, are configured to be separated from each other when being separated from the press-in part M2 in the pressing direction, and to get close to each other when getting close to the press-in part M2 in the pressing direction.SELECTED DRAWING: Figure 1

Description

In the present invention, an attachment member having a press-fitting portion protruding from the outer periphery of a bar-shaped portion is arranged in an arrangement recess provided in a member to be attached, and the press-fitting member is press-fitted into the press-fitting recess provided in the bottom of the arrangement recess. The present invention relates to a press-fitting device for attaching by press-fitting a part.

When the mounting member is arranged in the arrangement recess of the member to be mounted and the press-fit portion of the mounting member is press-fitted into the press-fitting recess provided in the bottom of the arrangement recess, the mounting member placed in the arrangement recess does not sit well. , the mounting member may tip over and become unstable. Therefore, conventionally, for example, as shown in FIG. 5, a cylindrical auxiliary jig 100 is inserted between the mounting member M and the arrangement recess N to prevent the mounting member M from tilting and to stabilize the position. is being done. However, when the auxiliary jig 100 is used, there is a problem that the auxiliary jig 100 needs to be handled and the number of operations increases.

Further, as a conventional press-fitting device, for example, a device having an alignment function has been proposed. For example, Patent Document 1 discloses a floating mechanism that holds a crimping punch in the Z-axis direction and allows displacement in the XY directions perpendicular to the Z-axis, and a crimping die to be processed by guiding the lower end of the crimping punch. A crimping punch device is described that has a centering mechanism for centering on an object. In Patent Document 2, by providing a lower jig with a receiving portion that is connected in a floating state by an elastic body, the central axis of the press-fitting component installed on the lower jig and the press-fitting component mounted on the upper jig are aligned. A press-fit device with a self-centering mechanism is described. In Patent Document 3, a link is held by suction so as to be movable in a direction orthogonal to the moving direction of a pressing jig, and when there is a relative displacement between the link and the pin held by the pressing jig, , a press-fitting device for a link and a pin of a power transmission chain, in which the link can move in a direction to eliminate relative displacement in accordance with the movement of the pressing jig. However, although these press-fitting devices do not require an auxiliary jig, there is a problem in that if the mounting member is tilted, it cannot be absorbed by the positioning function, and is pressed in obliquely.

JP-A-2008-55496 Japanese Patent Application Laid-Open No. 2008-137116 Japanese Patent No. 5446091

SUMMARY OF THE INVENTION It is an object of the present invention to provide a press-fitting device capable of vertically press-fitting a mounting member arranged in an arrangement recess of a member to be mounted even if the mounting member is tilted. and

In the press-fitting device of the present invention, the mounting member provided with the press-fitting portion protruding from the outer periphery of the rod-shaped portion is arranged in the placement recess provided in the member to be attached, and It is attached by press-fitting the press-fitting portion, and includes holding means for holding the member to be attached, pressing means for press-fitting the press-fitting portion into the press-fitting concave portion by pressing the press-fitting portion, holding means, and pressing means. moving means for relatively moving toward or away from the press-fitting portion, wherein the pressing means has a plurality of claw portions positioned around the rod-shaped portion and pressing the press-fitting portion when approaching the press-fitting portion in the pressing direction; and the tips of the claws can be opened and closed in the direction of approaching or separating from each other, are separated from each other when they are separated from the press-fitting portion in the pressing direction, and are close to the press-fitting portion in the pressing direction. approach each other to correct the posture of the mounting member.

According to the present invention, it has a plurality of claws whose tips are separated from each other when they are separated from the press-fitting portion in the pressing direction, and whose tips approach each other when they are approaching the press-fitting portion in the pressing direction. Therefore, even if the mounting member arranged in the arrangement recess is tilted, the mounting member can be raised vertically by closing the tip of the claw portion, and the posture can be corrected. Therefore, the mounting member can be vertically press-fitted and mounted.

1 is an end view showing the configuration of a press-fitting device according to one embodiment of the present invention; FIG. 1. It is a figure showing operation|movement of the press fitting apparatus shown in FIG. FIG. 3 is a diagram showing an operation following FIG. 2; FIG. 4 is a diagram showing an operation following FIG. 3; It is a figure showing the structure of the conventional press-fitting apparatus.

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

FIG. 1 shows the configuration of a press-fitting device 1 according to an embodiment of the present invention, (A) is an end view cut in the longitudinal direction, and (B) is an I- FIG. 4 is an end view along line I; 2 to 4 illustrate the operation of the press-fitting device 1. FIG. 2, 3 and 4(A) are longitudinally cut end views, and FIG. 4(B) is an end view taken along line II-II shown in FIG. 4(A).

In this press-fitting device 1, a mounting member M having a press-fitting portion M2 protruding from the outer periphery of a rod-shaped portion M1 is arranged in a placement recess N1 provided in a member to be attached N, and a bottom of the placement recess N1 is provided. It is attached by press-fitting the press-fit portion M2 into the press-fit recess N2. The size of the placement recess N1 is formed larger than, for example, the press-fitting portion M2. The size of the press-fit recess N2 is, for example, slightly smaller than the press-fit portion M2.

The press-fitting device 1 includes a holding means 10 such as a jig or a mounting table for holding the mounting member N, a pressing means 20 for press-fitting the press-fitting portion M2 into the press-fitting concave portion N2 by pressing the press-fitting portion M2, and a holding means. 10 and the pressing means 20 are provided with a moving means 30 for moving the pressing means 20 toward or away from each other. Although FIG. 1 shows a case where the pressing means 20 is moved with respect to the holding means 10 by the moving means 30, the holding means 10 may be moved with respect to the pressing means 20. Both 10 and pressing means 20 may be moved.

For example, when the pressing means 20 approaches the press-fitting portion M2 in the pressing direction, a plurality of claw portions 21 are positioned around the bar-shaped portion M1 and press the press-fitting portion M2, and each claw portion 21 is supported and pressed. It has a claw support portion 22 for moving in a direction and an urging member 23 for urging each claw portion 21 . Each claw portion 21 is configured, for example, so as to surround the rod-shaped portion M1, and is inserted between the arrangement recess N1 and the rod-shaped member M1, and has a thickness and length that allow it to press the press-fitting portion M2. It is For example, when pressing the press-fit portion M2, each claw portion 21 is preferably divided in the circumferential direction so as to surround the entire outer periphery of the rod-shaped portion M1. This is because the press-fit portion M2 can be pressed along the entire circumference.

Each claw portion 21 is arranged to be openable and closable with respect to the claw support portion 22 in a direction in which the distal end portions approach or separate from each other. Note that the tip portion of the claw portion 21 is the end portion on the side of the press-fitting portion M2. The tips of the claws 21 are configured, for example, to separate from each other when separated from the press-fitting portion M2 in the pressing direction, and approach each other when approaching the press-fitting portion M2 in the pressing direction. As a result, even if the mounting member M arranged in the arrangement recess N1 is tilted, the posture of the mounting member M can be corrected vertically by closing the tips of the claws 21. .

The claws 21 are urged in a direction in which the tips thereof are separated from each other by, for example, an urging member 23 . The biasing member 23 is preferably configured by, for example, a compression coil spring. One end of the urging member 23 is disposed, for example, with respect to a first fixing portion 21C that protrudes outward from the base end side of each claw portion 21 . The base end side of the claw portion 21 is the end portion on the claw support portion 22 side. The first fixing portion 21C is provided on the outer peripheral side of the fulcrum at which each claw portion 21 is arranged to be openable and closable with respect to the claw support portion 22. is provided with a space in which, for example, the first fixing portion 21C can rotate around the fulcrum.

Further, between the first fixing portion 21C and one end portion of the biasing member 23, for example, a power point adjusting member 21D made of a washer or the like disposed so as to contact the first fixing portion 21C at a position on the outer peripheral side. is preferably provided. By arranging the biasing member 23 on the first fixing portion 21C via the force point adjusting member 21D, the distance between the point of force and the fulcrum is lengthened, and the distal end portion of each claw portion 21 can be easily opened. It is for

The other end portion of the urging member 23 is, for example, on the outer periphery of each claw portion 21 with respect to a second fixing portion 24 provided so as to face the first fixing portion 21C on the distal end side of the first fixing portion 21C. are arranged. By configuring the biasing member 23 with, for example, a compression coil spring, a pressing force is applied to the first fixing portion 21C from the second fixing portion 24 side, and each claw portion 21 rotates around the fulcrum, The tip is biased in the opening direction.

Further, as the biasing member 23, a magnet may be installed near the second fixing portion 24 to perform biasing by magnetic force. For example, by placing a magnet on the surface of the second fixing portion 24 facing the claw portion 21 and forming the claw portion 21 from a ferromagnetic material such as iron, the tip portion can be urged in the opening direction. The biasing member 23 may be biased by a magnet instead of the compression coil spring or together with the compression coil spring.

It is preferable that an inclined surface 21A inclined inward toward the tip is formed on the outside of the tip of each claw 21 . This is to enable insertion without widening the gap between the arrangement concave portion N1 and the bar-shaped portion M1 with the distal end portion of each claw portion 21 opened. It is preferable that the tip end portion 21B of the inclined surface of each claw portion 21 is configured to be positioned inside the arrangement recess portion N1 in the open state. As a result, the distal end portion of the claw portion 21 is pressed in the closing direction by the inner peripheral surface of the arrangement recess portion N1 when approaching the press-fitting portion M2 in the pressing direction. In addition, since the inclined surface tip portion 21B of each claw portion 21 is positioned on the outer peripheral portion of the rod-shaped portion M1 when in the closed state, when it is in the open state, the tip portion 21B of the inclined surface is positioned from the outer peripheral surface of the vertically arranged rod-shaped portion M1. are also located in the outer region.

The positions of the tip portions of the claws 21 when they are opened are controlled so that the claws 21 do not open beyond a predetermined position, for example, by locking the claws 21 with the second fixing portion 23. can be done. That is, the second fixing portion 23 can also function as a locking portion that locks each claw portion 21 and controls the movement range when the distal end portion of each claw portion 21 moves in the opening direction. . Note that the position of the tip of each claw 21 when it is opened does not, for example, lock each claw 21 , but rather depends on the positional relationship between the fulcrum and the point of force and the force applied by the biasing member 23 . You may make it control by adjusting a magnitude|size.

Although the number of claw portions 21 is not limited as long as it is plural, it is preferably three or more and six or less, and most preferably four. If the number of the mounting members M is three or more, the inclination can be picked up and the posture can be easily corrected to the vertical position no matter which direction the mounting member M is tilted. is.

This press-fitting device 1 is used, for example, as follows. First, for example, the mounting member N is placed on the holding means 10, and the mounting member M is placed in the placement recess N1 of the mounting member N with the press-fit portion M2 facing downward. Next, for example, the moving means 30 moves the pressing means 20 toward the holding means 10 . As a result, each claw portion 21 moves toward the press-fitting portion M2 in accordance with the movement of the pressing means 20 in a state where the distal end portion is open.

At that time, if the mounting member M arranged in the arrangement recess N1 is tilted and tilted, for example, as shown in FIG. As each claw 21 approaches the press-fit portion M2, the bar-shaped portion M1 is pushed inward. Next, when each claw portion 21 further approaches the press-fit portion M2 and the tip portion of each claw portion 21 reaches the arrangement recess N1, for example, as shown in FIG. As the claws 21 come into contact with the inner peripheral surface of the recessed portion N1 and further approach the press-fitting portion M2, the claws 21 are pushed inward, and the bar-shaped portion M1 is further pushed inward.

Subsequently, when each claw portion 21 further approaches the press-fitting portion M2, for example, the inclined surface 21A of each claw portion 21 enters the inside of the arrangement recess N1, and the tip portion of each claw portion 21 is closed, and the attachment member M becomes vertical and posture is corrected. Further, when each claw 21 approaches the press-fitting portion M2 and the tip of each claw 21, that is, the inclined surface tip 21B reaches the press-fitting portion M2, each claw 21 The press-fit portion M2 is pressed by the distal end portion of the and is press-fitted into the press-fit concave portion N2.

Further, after attaching the mounting member M, the pressing means 20 is moved away from the holding means 10 by the moving means 30 . As a result, each claw portion 21 moves away from the press-fitting portion M2, and when the tip portion of each claw portion 21 moves above the placement recess N1, the tip portion of each claw portion 21 moves toward the biasing member. is biased in the direction of opening by , and is in an open state.

As described above, according to the present embodiment, the tip portions are separated from each other when they are separated from the press-fitting portion M2 in the pressing direction, and the tip portions approach each other when they are approaching the press-fitting portion M2 in the pressing direction. Since it has a plurality of claws 21, even if the mounting member M arranged in the arrangement recess N1 is tilted, the tip of the claw 21 closes to raise the mounting member M vertically to correct the posture. be able to. Therefore, the mounting member M can be vertically press-fitted and mounted.

Although the present invention has been described above with reference to the embodiments, the present invention is not limited to the above embodiments and can be variously modified. For example, in the above embodiments, each component was specifically described, but not all components may be included, and other components may be included. Also, the requirements for each component may be different.

Further, in the above-described embodiment, the case where each claw portion 21 is divided in the circumferential direction so as to surround the entire outer circumference of the rod-shaped portion M1 has been described, but each claw portion 21 may be provided at intervals. good.

REFERENCE SIGNS LIST 1 press-fitting device 10 holding means 20 pressing means 21 claw portion 21A inclined surface 21B tip end portion of inclined surface 21C first fixing portion 21D power point adjusting member 22 claw support portion , 23... biasing member, 24... second fixed part, 30... moving means, M... mounting member, M1... bar-shaped part, M2... press-fitting part, N... mounted member, N1... placement recess, N2... press-fitting recess

Claims (2)

The mounting member provided with the press-fit portion protruding from the outer periphery of the bar-shaped portion is placed in the placement recess provided in the member to be attached, and the press-fit portion is press-fitted into the press-fit recess provided in the bottom of the placement recess. A press-fit device mounted by
holding means for holding the attached member;
pressing means for press-fitting the press-fitting portion into the press-fitting recess by pressing the press-fitting portion;
a moving means for moving the holding means and the pressing means in a direction of relatively approaching or separating,
The pressing means has a plurality of claw portions that are positioned around the rod-shaped portion and press the press-fitting portion when approaching the press-fitting portion in the pressing direction,
The tips of the claws can be opened and closed in directions toward or away from each other, and are separated from each other when separated from the press-fitting portion in the pressing direction, and when approaching the press-fitting portion in the pressing direction. The press-fitting device corrects the posture of the mounting member by approaching each other. The pressing means has a biasing member that biases the tips of the claws in a direction away from each other,
An inclined surface inclined inward toward the tip is formed on the outer side of the tip of the claw,
In the open state, the tip of the inclined surface is located in the region inside the recess, and the tip of the pawl moves toward the inner peripheral surface of the recess when approaching the press-fitting portion in the pressing direction. The press-fitting device according to claim 1, wherein the press-fitting device is pressed in the closing direction by the .

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