CN215747995U - Self-locking floating positioning device - Google Patents
Self-locking floating positioning device Download PDFInfo
- Publication number
- CN215747995U CN215747995U CN202121570905.4U CN202121570905U CN215747995U CN 215747995 U CN215747995 U CN 215747995U CN 202121570905 U CN202121570905 U CN 202121570905U CN 215747995 U CN215747995 U CN 215747995U
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- ejector pin
- vertical
- self
- channel
- horizontal
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Abstract
The utility model discloses a self-locking floating positioning device, which relates to the field of positioning devices and comprises a shell seat, wherein a horizontal channel and a vertical channel which are communicated with each other and provided with an opening at one end are arranged in the shell seat, an ejector rod is arranged in the horizontal channel, an inclined plate device is arranged in the vertical channel, the ejector rod is in sliding connection with the inclined plate device, the included angle between the connecting surface and the vertical direction is not more than 8 degrees, the upper end of the connecting surface and the opening end of the horizontal channel are on the same side in the horizontal direction, the ejector rod is connected with the closed end of the horizontal channel through an elastic element in an extension state, the inclined plate device is connected with the closed end of the vertical channel through an elastic element in a compression state, and a linear driving device for driving the inclined plate device to move towards the closed end of the vertical channel is arranged at the opening end of the vertical channel. The utility model can solve the problem that the prior floating positioning device can not self-lock after positioning the blank, thereby causing positioning failure after clamping.
Description
Technical Field
The utility model relates to the field of positioning devices, in particular to a self-locking floating positioning device.
Background
When a machine tool or a machining center is used for machining blanks of workpieces, because the surface flatness of the blanks is poor and the flatness of different blanks of the workpieces of the same specification is different, the blanks need to be positioned by a floating positioning device before machining, and then the workpieces need to be clamped by a clamping device. The existing floating positioning device does not have a self-locking function, and after the blank is positioned, the position of the blank can move when the blank is clamped by a clamping device, so that the positioning is deviated, and the positioning fails.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a self-locking floating positioning device, and solves the problem that the existing floating positioning device cannot realize self-locking after blank positioning, so that positioning fails after clamping.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a but positioner that floats of auto-lock, includes the shell seat, set up mutual intercommunication and all set up open-ended horizontal channel and vertical passageway in one end in the shell seat, set up the ejector pin in the horizontal channel, set up the swash plate device in the vertical passageway, the ejector pin just is connected the contained angle of face and vertical direction with swash plate device sliding connection and is not more than 8 degrees, connect the face the upper end with the open end of horizontal channel is at the homonymy of horizontal direction, and the ejector pin is connected through the elastic element of extension state with the blind end of horizontal channel, the swash plate device is connected through the elastic element of compression state with the blind end of vertical passageway, the open end of vertical passageway sets up the straight line drive device who is used for driving the blind end motion of swash plate device orientation vertical passageway.
Furthermore, the left end of the horizontal channel is provided with an opening, the right end of the horizontal channel is provided with a first cover plate used for sealing the horizontal channel, the ejector rod is connected with the first cover plate through a first spring, and the first spring is in an extending state.
Furthermore, the lower end of the vertical channel is provided with an opening, the upper end of the vertical channel is provided with a second cover plate used for sealing the vertical channel, the inclined plate device is connected with the second cover plate through a second spring, and the second spring is in a compressed state.
Further, ejector pin breach is symmetrically arranged on the front and back sides of ejector pin, the left surface of ejector pin breach is the ejector pin inclined plane that descends from the upper left to the right, the contained angle of ejector pin inclined plane and vertical direction is no more than 8 degrees, the swash plate device includes no end frame body, set up the swash plate in the no end frame body, set up the bar breach that matches with the ejector pin breach on the swash plate, the left surface and the ejector pin inclined plane of swash plate match and set up and sliding connection.
Furthermore, the included angle between the inclined plane of the ejector rod and the vertical direction is not more than 5 degrees.
Further, the bottom of the shell seat is provided with a mounting hole communicated with the vertical channel, an oil cylinder mounting seat is arranged in the mounting hole, the linear driving device is an oil cylinder, the oil cylinder is arranged below the oil cylinder mounting seat, and a piston rod of the oil cylinder is upwards arranged and can penetrate through the oil cylinder mounting seat to enter the vertical channel.
The utility model has the following beneficial effects:
after the blank is positioned by the self-locking floating positioning device, the ejector rod enters a self-locking state and cannot move rightwards, the blank is propped by the ejector rod, and the blank cannot move under the self-locking action of the ejector rod when being clamped by the clamping device, so that the positioning accuracy when the blank is clamped is ensured.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of the present invention with the housing base removed;
FIG. 3 is a schematic view of the internal structure of the housing;
FIG. 4 is a perspective view of the carrier rod;
FIG. 5 is a perspective view of the swash plate device;
FIG. 6 is a perspective view showing the connection of the push rod and the sloping plate device;
fig. 7 is a perspective view of the ejector rod connected to the swash plate device at another angle.
Detailed Description
Example 1:
as shown in fig. 1-7, a floating positioning device capable of self-locking comprises a shell base 1, a horizontal channel 11 and a vertical channel 12 which are communicated with each other and are provided with openings at one end are arranged in the shell base 1, a mandril 3 is arranged in the horizontal channel 11, a sloping plate device 4 is arranged in the vertical channel 12, the ejector rod 3 is connected with the inclined plate device 4 in a sliding way, the included angle between the connecting surface and the vertical direction is not more than 8 degrees, the upper end of the connecting surface is at the same side of the opening end of the horizontal channel 11 in the horizontal direction, the mandril 3 is connected with the closed end of the horizontal channel 11 through an elastic element in an extension state, the swash plate device 4 is connected to the closed end of the vertical channel 12 by an elastic member in a compressed state, the open end of the vertical channel 12 is provided with a linear driving device 2 for driving the inclined plate device 4 to move towards the closed end of the vertical channel 12.
When the opening end of the horizontal channel 11 is on the left side, the upper end of the connecting surface is also on the left side; when the open end of the horizontal passage 11 is on the right side, the upper end of the joint face is also on the right side.
The ejector rod 3 is connected with the inclined plate device 4 in a sliding mode, and the included angle between the connecting surface and the vertical direction is not more than 8 degrees. When the included angle between the connecting surface and the vertical direction is not more than 8 degrees, the inclined plate device 4 can push the ejector rod 3 to move in the horizontal direction when moving in the vertical direction, and when the ejector rod 3 is stressed in the horizontal direction, the component force of the pressure of the ejector rod 3 on the inclined plate device 4 in the vertical direction is too small to push the inclined plate device 4 to move in the vertical direction, and the inclined plate device 4 cannot move in the horizontal direction due to the limitation of the vertical channel 12, so that the movement of the ejector rod 3 in the horizontal direction is prevented, and the ejector rod 3 is self-locked.
The left end of the horizontal channel 11 is provided with an opening, the right end is provided with a first cover plate 14 for closing the horizontal channel 11, the ejector rod 3 is connected with the first cover plate 14 through a first spring 141, and the first spring 141 is in an extending state.
The lower end of the vertical channel 12 is provided with an opening, the upper end of the vertical channel 12 is provided with a second cover plate 13 for closing the vertical channel 12, the inclined plate device 4 is connected with the second cover plate 13 through a second spring 131, and the second spring 131 is in a compressed state.
The included angle between the ejector rod inclined plane 31 and the vertical direction is not more than 5 degrees.
The upper limit of the self-locking angle of the steel is 8.5 degrees, the lowest value of the upper limit of the self-locking angle in other materials is 5 degrees, and no matter which material the ejector rod 3 and the inclined plate 42 are made, the included angle between the inclined surface 31 of the ejector rod and the vertical direction is not more than 5 degrees, so that the better self-locking effect can be achieved.
The bottom of shell seat 1 sets up the mounting hole 15 with vertical passageway 12 intercommunication, set up hydro-cylinder mount pad 5 in the mounting hole 15, linear drive device 2 is the hydro-cylinder, the hydro-cylinder is installed in hydro-cylinder mount pad 5 below, and the piston rod 21 of hydro-cylinder upwards sets up and can pass in hydro-cylinder mount pad 5 gets into vertical passageway 12.
After the blank is positioned by the self-locking floating positioning device, the ejector rod enters a self-locking state and cannot move rightwards, the blank is propped by the ejector rod, and the blank cannot move under the self-locking action of the ejector rod when being clamped by the clamping device, so that the positioning accuracy when the blank is clamped is ensured.
The working principle is as follows:
1. the operator fixes the housing base 1 to the machining center by bolts.
2. And the operator puts the blank to be processed on the station to be processed.
3. The operator controls the retraction of the piston rod 21 of the oil cylinder, the second spring 131 presses the inclined plate device 4 to move downwards, and the inclined plate 42 presses the top rod 3 to move leftwards until the left end of the top rod 3 props against the blank.
4. At the moment, the blank is clamped through the clamping device and is propped by the ejector rod and cannot move, so that the positioning accuracy of the blank is ensured.
5. After the blank is processed, the operator controls the piston rod 21 of the oil cylinder to extend, the piston rod 21 of the oil cylinder lifts the inclined plate 42 upwards, the inclined plate 42 moves upwards, and the ejector rod 3 moves rightwards under the action of the pulling force of the first spring 141 to recover the original position.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in any way, and those skilled in the art can make various changes and modifications to the equivalent embodiments without departing from the scope of the present invention, and all such changes, modifications, equivalents and improvements that can be made to the above embodiments without departing from the technical spirit of the present invention are within the spirit and principle of the present invention.
Claims (6)
1. The utility model provides a but positioner that floats of auto-lock, a serial communication port, including shell seat (1), set up mutual intercommunication and all set up open-ended horizontal passage (11) and vertical passageway (12) in shell seat (1), set up ejector pin (3) in horizontal passage (11), set up swash plate device (4) in vertical passageway (12), ejector pin (3) and swash plate device (4) sliding connection and be connected the contained angle of face and vertical direction and be no longer than 8 degrees, connect the upper end of face with the open end of horizontal passage (11) is at the homonymy of horizontal direction, and ejector pin (3) are connected through the elastic element of extension state with the blind end of horizontal passage (11), swash plate device (4) are connected through the elastic element of compression state with the blind end of vertical passageway (12), the open end of vertical passageway (12) sets up the straight line drive device who is used for driving swash plate device (4) towards the blind end motion of vertical passageway (12) (2).
2. A floating positioning device with self-locking function according to claim 1, wherein the horizontal channel (11) is provided with an opening at the left end and a first cover plate (14) at the right end for closing the horizontal channel (11), the top bar (3) is connected with the first cover plate (14) through a first spring (141), and the first spring (141) is in an extended state.
3. A floating self-lockable positioning device according to claim 1, characterized in that the vertical channel (12) is provided with an opening at its lower end and a second cover plate (13) at its upper end for closing the vertical channel (12), the ramp device (4) and the second cover plate (13) are connected by a second spring (131), and the second spring (131) is in a compressed state.
4. The floating positioning device capable of self-locking according to claim 1, wherein the ejector pin notches (32) are symmetrically arranged on the front side and the rear side of the ejector pin (3), the left side surface of each ejector pin notch (32) is an ejector pin inclined surface (31) inclined from the upper left to the lower right, the included angle between each ejector pin inclined surface (31) and the vertical direction is not more than 8 degrees, the inclined plate device (4) comprises a bottomless frame body (41), an inclined plate (42) is arranged in each bottomless frame body (41), a strip-shaped notch (421) matched with each ejector pin notch (32) is arranged on each inclined plate (42), and the left side surface of each inclined plate (42) is matched with each ejector pin inclined surface (31) and is in sliding connection.
5. A floating self-lockable positioning device according to claim 4, characterized in that the angle between the inclined surface (31) of the carrier rod and the vertical direction is not more than 5 degrees.
6. A floating positioning device with self-locking function according to claim 3, wherein the bottom of the housing base (1) is provided with a mounting hole (15) communicated with the vertical channel (12), an oil cylinder mounting base (5) is arranged in the mounting hole (15), the linear driving device (2) is an oil cylinder, the oil cylinder is mounted below the oil cylinder mounting base (5), and a piston rod (21) of the oil cylinder is arranged upwards and can pass through the oil cylinder mounting base (5) to enter the vertical channel (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121570905.4U CN215747995U (en) | 2021-07-12 | 2021-07-12 | Self-locking floating positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121570905.4U CN215747995U (en) | 2021-07-12 | 2021-07-12 | Self-locking floating positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215747995U true CN215747995U (en) | 2022-02-08 |
Family
ID=80104817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121570905.4U Expired - Fee Related CN215747995U (en) | 2021-07-12 | 2021-07-12 | Self-locking floating positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215747995U (en) |
-
2021
- 2021-07-12 CN CN202121570905.4U patent/CN215747995U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220208 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |