KR100722300B1 - Universal clamping device for precision parts - Google Patents

Abstract

The present invention relates to a general-purpose clamping device for precision parts for precisely fixing when the assembly or transportation of precision parts.

The clamping device includes a front and rear movement member moving forward and backward from the guide member of the horizontal movement member, a vertical movement member vertically descended from the front and rear movement member, and a work member that performs a necessary process for the precision parts in the vertical movement member. In one embodiment, a base plate installed in a range in which the work member moves, a lifting plate which lifts a part of the base plate upward by moving upward from a lower portion of the base plate, and moving in a direction facing from the top of the base plate An alignment member comprising first and second slide plates for fixing the outer surface of the part with contact pins, a rack and pinion connected to the first and second slide plates to simultaneously transmit power, and installed between the racks A cap body providing movement to the first and second slide plates, and a room facing the first and second guides for controlling the drive tolerance of the rack and pinion. The drive member is formed of a coil spring to be pulled to the first, the first guide plate of the drive member is connected to the first slide plate, the second guide plate is connected to the second slide plate to form a stable posture, a plurality of parts at a time Fix it securely.

Horizontal moving member, driving member, alignment member, slide plate, lifting plate, loading plate, part hole

Description

General clamping apparatus for precision parts

1 is a plan view of a general-purpose clamping device according to the present invention.

Figure 2 is a front view of the universal clamping device according to the present invention.

Figure 3 is a plan view showing the assembly sequence of the alignment member of the general-purpose clamping device of the present invention.

Figure 4 is an assembled plan view of the alignment member of the general clamping device of the present invention.

Figure 5 is a front view showing the assembly sequence of the alignment member of the universal clamping device of the present invention.

Figure 6 is an assembled front view of the alignment member of the universal clamping device of the present invention.

Figure 7 (a) is a plan view of the clamping drive element of the present invention, (b) is a front view of the clamping drive element, (c) is an operating state diagram in the base plate.

8 is a plan view of the alignment member and the clamping driving member of the present invention.

9 is a front view of the alignment member and the clamping driving member of the present invention is mounted.

Figure 10a is a plan view of the base plate of the present invention and Figure 10b is a longitudinal sectional view of the base plate.

Figure 11 (a) (b) is an operating state of the jig of the general-purpose clamping device of the present invention

* Explanation of Codes on Major Parts of Drawings *

 100: horizontal moving member 120: front and rear moving member 130: vertical moving member

140: working member 200: drive member 210: first guide

230: rack 250: pinion 260: coil spring

270: cam body 280: sliding roller 300: alignment member

303: base plate 310: first slide plate 320: second slide plate

316: rail 330: base plate 350: pin fixing plate
331: groove 332: pin fixing plate 353: contact plate

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The present invention relates to a general-purpose clamping device that is intended to stably secure several at the same time for the purpose of assembling or transporting precision parts.

In general, it is required to be able to handle the parts in the process of assembling precision parts in a stable manner, various methods have been proposed.

Particularly, in the assembly line, precision parts must be correctly supplied to the next stage to assemble or combine with other parts smoothly. Since the size of the parts is small and the shapes are diverse, it is not easy to fix several parts at the same time. In addition, if the stationary state is unstable, there is a problem that the work efficiency is lowered because the movement is very unstable.

The present invention aims to securely align and secure a micro precision part regardless of the shape of the exterior in order to improve the conventional problems.

In order to achieve the present invention, the front and rear movement member reciprocating in the front and rear direction in the guide member reciprocating a predetermined width by the horizontal movement member, the vertical movement member vertically descending from the front and rear movement member, and in the vertical movement member In the general-purpose clamping device consisting of a finger member for lifting the precision parts to the set working position,

A base plate installed in a range in which the finger member is moved to house a plurality of precision parts, a lifting plate which vertically moves from the bottom of the base plate to lift the precision parts of the base plate onto the base plate, and the base plate An alignment member comprising first and second slide plates which simultaneously fix several outer surfaces of the precision part lifted by the lifting plate when moving in a direction facing each other from the top of the first slide plate, and the first and second slide plates A rack and pinion connected to and simultaneously transmitting power in both directions, a cam driver installed between the racks to limit bidirectional movement of the first and second slide plates to a cam curve, and controlling the driving tolerance of the rack and pinion. A driving member comprising a coil spring mounted to be pulled in the direction in which the first and second guide posts of the cam driving unit face each other, First guide daeeun will be connected to the first slide plate of the alignment member, and sufficiently achieved by providing the connection configuration to the second slide plate is laid the second guide.

In the configuration to fully achieve the object of the present invention, the alignment member is provided with a rack and pinion of the drive member to the bottom surface of the base plate to expose the first and second guides connected to each rack to the upper surface of the base plate first And a second slide plate, and the rail is fixed to the base plate in a state in which the second slide plate is installed on the rail of the first slide plate.

In the configuration to fully achieve the object of the present invention, the base plate of the alignment member is formed with a groove into which a precision component is inserted, the groove is positioned in the base plate through which the hole is drilled, the bottom of the base plate through the hole of the groove And it is characterized in that the lifting plate is formed in the vertical drive member is formed with a pin to lift the precision parts to the upper groove.

In the configuration to fully achieve the object of the present invention, a plurality of pin fixing plates are provided on the first slide plate and the second slide plate of the alignment member in which a plurality of contact pins are provided in contact with each other at positions facing two outer peripheral edges of the precision part. It is characterized by being done.

Hereinafter, preferred embodiments of the present invention will be described in detail with the accompanying drawings.

1 is a plan view of a general-purpose clamping device according to the present invention, Figure 2 is a front view of the general-purpose clamping device according to the present invention, Figure 3 is a plan view showing the assembly sequence of the alignment member of the general-purpose clamping device of the present invention. 4 is an assembled plan view of the alignment member of the general clamping device of the present invention.

In addition, Figure 5 is a front view showing the assembly order of the alignment member of the universal clamping device of the present invention, Figure 6 is an assembled front view of the alignment member of the universal clamping device of the present invention, Figure 7 (a) (b) is A plan view and a front view of the clamping driving element of the present invention, and (c) is an operation state diagram in the base plate. 8 and 9 are a plan view and a front view in which the alignment member and the clamping driving member of the present invention are mounted, and FIG. 10 is a plan view and a longitudinal sectional view of the placing plate of the present invention.

1 and 2, the front and rear movement member 120 reciprocating in the front and rear direction in a state of reciprocating a predetermined width in the horizontal direction by the horizontal movement member 100 and the front and rear movement member 120. Universal clamping of the present invention comprising a vertical movable member 130 vertically lowered in the movable range, and a working member 140 that moves to a work position set by the vertical movable member 130 and performs a process required for precision parts. The device,

An alignment member 300 capable of stably holding precision components in a range in which the working member 140 moves, and a driving member 200 for transmitting power required to drive the alignment member 300 are provided. .

The alignment member 300 is located on the base plate 330 is formed with a groove 331 for placing a plurality of precision parts, and the groove of the base plate 330 at the time of vertical rise by being located below the base plate 330 Lifting plate 360 for lifting the precision parts supplied to the 331 on the groove 331 of the base plate 330, and by the lifting plate 360 when the upper portion of the base plate 330 moves in the left and right directions The first and second slide plates 310 and 320 simultaneously fix a plurality of portions of the edge of the lifted precision part with a plurality of contact pins 353.

Referring to the alignment member 300 in detail, through the center of the base plate 303 formed to implement the design dimensions and functions as in the configuration of Figure 3 to form a through hole 305, the through hole 305 The mounting plate 330 is installed.

The housing plate 330 is formed with a plurality of grooves 331 of sufficient size to mount the precision parts, the center of the grooves 331 has a through hole 332 for receiving a driving force to lift the precision parts Formed through.

In the lower position of the base plate 330, the lifting plate 360 having a mil pin 363 exposed through the through hole 332 of the base plate 330 and exposed to the upper groove 331 is positioned as shown in FIG. Install.

In addition, the first slide plate 310 and the second slide plate 320 are installed in the upper position of the loading plate 330 as shown in FIGS. 4 to 6, but the pin fixing plate 350 is disposed on the first slide plate 310. ), But formed by drilling a part hole 355 of the size that can be entered into the precision parts heard from the mounting plate 330, the contact pin for fixing the edge of the precision parts around the part hole 355 Secure (353) vertically towards the part.

In addition, bushes 313 for sliding are formed on both sides of the first and second slide plates 310 and 320, and an extension piece 315 for receiving a moving force is formed at one end.

The second slide plate 320 is formed with another pin fixing plate 350, which is the same as the pin fixing plate 350 installed on the first slide plate 310, and the pin fixing plate 350 has access to precision parts. The component holes 355 are formed, and the shapes of these component holes 355 are formed to be opposite to each other, and the contact pins 353 are also installed at opposite positions, and the first and second slide plates 310 are formed. The rails 323 are installed and fixed on both sides such that the fixing plates 350 and 350 of the 320 face each other at positions vertically adjacent to each other.

In the configuration of the alignment member 300, the rail 323 installed on the second slide plate 320 is inserted into the bush 313 of the first slide plate 310 to pass through.

Accordingly, the first and second slide plates 310 and 320 are installed as shown in FIG. 6, and in this case, the pin fixing plates 350 face each other and the contact pins 353 are in a staggered position. The first slide plate 310 may slide on the rail 323.

7 (a) and 7 (b) are a plan view and a front view of the clamping driving element of the present invention, and (c) is an operation state diagram of the base plate.

When the driving member 200 is driven by power, the cam member 270 forms a driving stroke by the cam curve as shown in FIG. 7B, and the driving member 200 slides by the driving stroke generated by the cam curve of the cam body 270. The rack 230 and the pinion 250 to be driven in the state engaged with the gear of the rack 230.

The driving member 200 is provided with a structure for transmitting power so that the first, second slide plate 310, 320 is slid in a direction facing each other by the configuration in conjunction with the alignment member 300. That is, the sliding roller 280 is installed in contact with the rim formed with the cam curve of the cam body 270 of the driving member 200, and the sliding roller 280 is installed at the upper and lower positions of the pinion 250. It is connected to the rack 230, respectively.

Since the rack 230 and the pinion 250 are configured to mesh with teeth, gaps are generated due to tolerances formed in these teeth, thus preventing precision parts from clamping, so that gaps are not formed during the clamping process. As shown in a), the coil spring 285 is installed on the fixing stand 283 of the sliding roller 280, and the rack 230 simultaneously moving by the pinion 250 is configured to receive an elastic force that is always pulled.

The first guide plate 210 of the driving member 200 is connected to the first slide plate 310 of the alignment member, the second guide plate 220 is connected to the second slide plate 320 (FIG. 7C). As shown in the illustration, the movement force of the rack 230 is transmitted to the first and second slide plates 310 and 320.

In the universal clamping device of the present invention having the above-described configuration, when several precision parts to be assembled or supplied are supplied to the placement plate 330, the precision parts smaller than the diameter of the recess 331 are formed in the grooves of the placement plate 330. At 331 it is left unevenly aligned.

Subsequently, when power is supplied to the elevating member 370 located on the bottom surface of the placing plate 330, the lifting plate 360 moves upward, and the mill pin 363 formed in the vertical state on the upper surface of the lifting plate 360 is placed on the placing plate. 330 is inserted into the through hole 332 bored in the state.

The precision part is lifted from the groove 331 by the mil pin 363 inserted into the through hole 332, and as the part hole 355 formed in the first and second slide plates 310 and 320 in that state. Will enter.

As described above, when the precision part enters the part hole 355 by the mil pin 363, power is applied to the driving member 200 so that the cam body 270 rotates at a reduced speed, and the cam body 270 rotates. The sliding roller 280 which is in elastic contact with the rim of the cam is moved by the cam body 270, and the movement state is made by the rack 230 and the first and second guides 210 and 220. The first and second slide plates 310 and 320 are transferred to the first and second slide plates 310 and 320 so that the first and second slide plates 310 and 320 slide in a direction facing each other.

At this time, the pinion 250 is engaged with the rack 230, and the teeth of the rack 230 and the teeth of the pinion 250 are kept in close contact with each other by the coil spring 285, and thus the first by the rack 230. The second slide plates 310 and 320 slide in the same manner.

When the first and second slide plates 310 and 320 slide in a direction facing each other, the contact pins 353 around the part holes 355 are in close contact with each other around the precision part in a tightened state. Becomes

Therefore, when the contact pins 353 are tightened at equal intervals, the precision parts lifted at the upper end of the mill pins 363 are brought together about the axis of the mill pins 363 and thus are clamped between the contact pins 353. It becomes a state.

As such, the first and second slide plates 310 and 320 move in contact with each other while moving the precision parts in a state not coincident with the axis of the mill pin 363 to a position coinciding with the axis of the mill pin 363. The edges of the parts are clamped by the pins 353, so that the precision parts at the part hole positions of the first and second slide plates are all clamped uniformly, so that all of the precision parts are in the correct positions.

Therefore, the operator can perform the following process on the precision component fixed at the correct position by the working member 140 installed on the front and rear movement unit 120 of the horizontal moving member 100, thereby making the assembly process efficient.

As described above, in the present invention, when fixing several small precision parts at the same time, the contact pins for transmitting the fixing force to the edges of the precision parts are simultaneously driven to fix the precision parts, and at the same time the amount of movement of the rack and pinion and The coil spring prevents tolerances such as backlash and keeps the parts fixed in a precise state so that work in progress and the following processes can be efficiently performed, resulting in improved product quality and efficiency. There is an advantage.

Claims (4)

The front and rear movement member reciprocating in the front and rear direction in the guide member reciprocating a predetermined width by the horizontal movement member, the vertical movement member to move up and down vertically in the front and rear movement member, and move to the work position set in the vertical movement member In the general-purpose clamping device consisting of a work member for lifting the parts in a bucket, The clamping device is installed in the range in which the working member is moved and the loading plate for placing a plurality of precision parts, the lifting plate for lifting the precision parts of the loading plate on the loading plate when the vertical movement in the lower portion of the loading plate; An alignment member consisting of first and second slide plates which simultaneously fix the outer surface of the precision part lifted by the elevating plate with a contact pin when moving in a direction facing each other from the upper portion of the placing plate; A rack and pinion connected to the first and second slide plates to simultaneously transmit power in both directions, a cam driver installed between the racks to limit bidirectional movement of the first and second slide plates to a cam curve; A driving member comprising a coil spring mounted to pull the first and second guide bars of the cam driving part in a direction facing each other to control the driving tolerance of the rack and pinion; And a first guide plate of the drive member connected to the first slide plate of the alignment member, and a second guide plate connected to the second slide plate. The first and second slides of claim 1, wherein the alignment member is provided with the rack and pinion of the driving member on the bottom surface of the base plate to expose the first and second guide bars connected to the racks to the top surface of the base plate. A universal clamping device for precision parts, connected to the plate, and the rail is fixed to the base plate while the second slide plate is installed on the rail of the first slide plate. According to claim 1, wherein the base plate of the alignment member is provided with a groove into which the precision component is inserted, and the placement plate through the through hole in the center of the groove, and the bottom surface of the placement plate is penetrated through the through hole of the groove to place the precision component General purpose clamping device for precision parts, characterized in that for installing the lifting plate formed with a pin to lift the upper groove to the vertical drive member. The method of claim 1, wherein the first slide plate and the second slide plate of the alignment member is provided with a plurality of pin fixing plates provided with one edge of the precision part and a plurality of contact pins in contact with the opposite position. General purpose clamping device for precision parts.

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