A flexible zero point positioning device based on gas-liquid hybrid power

Abstract

The application belongs to the technical field of zero point positioning devices, in particular to a flexible zero point positioning device based on gas-liquid hybrid power, which comprises a base plate, a connecting head fixedly installed on the base plate, a chuck symmetrically arranged on the base plate, a tray arranged on the top of the chuck, a clamp arranged on the top of the tray, a pull pin corresponding to a limiting groove fixedly installed on the bottom of the tray, a movable groove symmetrically arranged in the chuck, and a positioning assembly arranged in the movable groove. The flexible zero point positioning device based on gas-liquid hybrid power is convenient for replacing the clamp by the chuck. When different clamps are used to clamp workpieces for machining, the pull pin on the support clamp tray is inserted into the limiting groove, and then the medium flows into the connecting head, which pushes the steel ball to move. The pull pin position is positioned by the groove, which is convenient for quickly positioning the tray position and quickly replacing different clamps.

Description

Technical Field

[0001] The invention belongs to the technical field of zero point positioning devices, in particular to a flexible zero point positioning device based on gas-liquid hybrid power. Background Art

[0002] The flexible zero-point positioning device based on gas-liquid hybrid power is a new type of positioning equipment that combines the advantages of both gas and liquid power sources and can achieve high-precision and high-flexibility positioning functions. The device utilizes the rapid response characteristics of gas and the stability of liquid to adapt to different workpiece sizes. It is mainly used for workpiece fixation and precision processing on CNC machine tools, milling machines, lathes and other equipment.

[0003] The fixtures used in existing machine tools facilitate machining of workpieces after positioning the workpiece. When the fixture is replaced to process different workpieces, secondary clamping errors are prone to occur, resulting in poor workpiece machining accuracy. The more complex the process, the more times the fixture needs to be replaced, and the more obvious the error.

[0004] To this end, the present invention provides a flexible zero-point positioning device based on gas-liquid hybrid power. Summary of the Invention

[0005] In order to make up for the deficiencies of the prior art and solve the technical problem that errors are prone to occur during multiple clamping, the present invention proposes a flexible zero-point positioning device based on gas-liquid hybrid power.

[0006] The technical solution adopted by the present invention to solve its technical problems is: the flexible zero-point positioning device based on gas-liquid hybrid power described in the present invention includes a base plate, a connecting head is fixedly installed on the base plate, a chuck is symmetrically arranged on the base plate, a limiting groove is arranged inside the chuck, a tray is arranged on the top of the chuck, a clamp is arranged on the top of the tray, a pull pin corresponding to the limiting groove is fixedly installed on the bottom of the tray, and one end of the pull pin extends to the inside of the limiting groove, movable grooves are symmetrically arranged inside the chuck, a positioning component is arranged inside the movable groove, a reset component is arranged inside the movable groove, a driving component is arranged on the movable groove, and a detection component is arranged on the base plate.

[0007] Preferably, the positioning assembly includes a strip groove and a steel ball, the strip groove is fixedly installed inside the movable groove, and the steel ball is arranged inside the strip groove.

[0008] Preferably, the driving assembly includes a movable plate, a push rod, a piston groove and a piston block, the movable plate is arranged inside the movable groove, one end of the push rod is fixedly connected to the movable plate, and the other end of the push rod extends into the inside of the strip groove, the piston groove is fixedly installed on the movable groove, the piston block is arranged inside the piston groove, and the other end of the piston block is fixedly connected to the movable plate.

[0009] Preferably, the reset assembly includes a guide rod and a reset spring, the guide rod is fixedly installed inside the movable groove, and the reset spring is arranged around the guide rod, and one end of the reset spring is movably connected to the inner wall of the movable groove.

[0010] Preferably, a shunt pipe is provided inside the chuck, and the shunt pipe is connected to the connector, a delivery pipe corresponding to the piston groove is connected to the shunt pipe, and the other end of the delivery pipe is communicated with the piston groove.

[0011] Preferably, a groove is provided on the pull nail.

[0012] Preferably, conductive tubes are provided inside the tray, and the two groups of conductive tubes are electrically connected, and conductive posts corresponding to the conductive tubes are fixedly mounted on the base plate.

[0013] Preferably, a battery assembly corresponding to the chuck is fixedly mounted on the substrate, and the battery assembly is electrically connected to the conductive column. A display light is provided on the battery assembly, and the display light is electrically connected to another group of symmetrically arranged conductive columns.

[0014] Preferably, the chuck top array is provided with strain sensors.

[0015] The beneficial effects of the present invention are as follows:

[0016] 1. The flexible zero-point positioning device based on gas-liquid hybrid power described in the present invention facilitates the replacement of fixtures through the provided chuck. When different fixtures are replaced to clamp the workpiece for processing, the pull pin on the supporting fixture tray is inserted into the limiting groove. After the medium flows into the connector, the pressure medium will flow into the piston groove through the delivery pipe, which will push the movable plate to move. When the movable plate moves, it will push the push rod to move. When the push rod moves, it will push the steel ball to move. The pull pin cooperates with the steel ball through the groove, and then the pull pin position is positioned, and then the tray position can be positioned, which is convenient for quickly positioning the tray position, and convenient for quickly replacing different fixtures, while avoiding errors after replacement.

[0017] 2. The flexible zero-point positioning device based on gas-liquid hybrid power described in the present invention facilitates detection of whether the replaced fixture is installed in place through the set display light. After the tray is placed on the chuck, the conductive column is inserted into the conductive tube, and then through the conductive tube, the current inside the battery assembly will flow into the display light, and then the display light will light up. By observing the working status of the display light, it can be determined whether the fixture position is installed in place. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be further described below with reference to the accompanying drawings.

[0019] Figure 1It is the perspective view of the flexible zero positioning device based on gas-liquid hybrid power of the present application;

[0020] Figure 2 It is the structural schematic diagram of the substrate in the present application;

[0021] Figure 3 It is the structural schematic diagram of the tray in the present application;

[0022] Figure 4 It is the structural schematic diagram of the chuck in the present application;

[0023] Figure 5 It is the structural enlarged schematic diagram of A in the present application Figure 2

[0024] In the figure: 1, substrate; 2, connecting head; 3, chuck; 4, limiting groove; 5, movable groove; 6, strip-shaped groove; 7, steel ball; 8, moving plate; 9, push rod; 10, guide rod; 11, reset spring; 12, piston groove; 13, piston block; 14, conveying pipe; 15, shunt pipe; 16, tray; 17, pull pin; 18, recess; 19, conductive cylinder; 20, clamp; 21, conductive column; 22, battery assembly; 23, display lamp; 24, strain sensor. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, purposes and effects realized by the present application easy to understand, the present application is further described below in combination with specific embodiments.

[0026] As Figures 1 to 5 ​As shown, a flexible zero-point positioning device based on gas-liquid hybrid power described in an embodiment of the present invention includes a base plate 1, a connector 2 is fixedly installed on the base plate 1, a chuck 3 is symmetrically arranged on the base plate 1, a limiting groove 4 is arranged inside the chuck 3, a tray 16 is arranged on the top of the chuck 3, a clamp 20 is arranged on the top of the tray 16, a pull pin 17 corresponding to the limiting groove 4 is fixedly installed on the bottom of the tray 16, and one end of the pull pin 17 extends to the inside of the limiting groove 4, a movable groove 5 is symmetrically arranged inside the chuck 3, a positioning component is arranged inside the movable groove 5, a reset component is arranged inside the movable groove 5, a driving component is arranged on the movable groove 5, and a detection component is arranged on the base plate 1, and a flexible zero-point positioning device based on gas-liquid hybrid power is used to support the tray 16, and the tray 16 clamps the workpiece through the clamp 20, and then fixes the workpiece to be processed on the machine tool, and the machine tool processing component works to process the workpiece During processing, different fixtures 20 are replaced to clamp the workpiece for processing according to the workpieces of different sizes. After the pull pin 17 on the tray 16 of the supporting fixture 20 is inserted into the limit groove 4, the connector 2 is connected to the pipeline for conveying the pressure medium from the outside. The pressure medium can be air pressure or hydraulic oil. By adding air pressure and hydraulic control to release, energy and pipeline maintenance can be saved. After the medium flows into the inside of the connector 2, the driving component will push the positioning component to move. After the positioning component moves, the position of the pull pin 17 will be limited, and then the position of the tray 16 can be positioned, which is convenient for quickly positioning the position of the tray 16. When the external conveying equipment retracts the pressure medium, the positioning component no longer applies pressure to the pull pin 17. The positioning component will be reset through the reset component, and then the tray 16 and the pull pin 17 can be disassembled, which is convenient for disassembly and replacement of the fixture 20.

[0027] like Figure 4 As shown, the positioning component includes a strip groove 6 and a steel ball 7. The strip groove 6 is fixedly installed inside the movable groove 5, and the steel ball 7 is arranged inside the strip groove 6. The steel ball 7 engages with the groove 18 on the rivet 17. After one side of the steel ball 7 moves into the groove 18, the position of the rivet 17 will be positioned.

[0028] like Figure 4 As shown, the driving assembly includes a movable plate 8, a push rod 9, a piston groove 12 and a piston block 13. The movable plate 8 is arranged inside the movable groove 5. One end of the push rod 9 is fixedly connected to the movable plate 8, and the other end of the push rod 9 extends to the inside of the strip groove 6. The piston groove 12 is fixedly installed on the movable groove 5. The piston block 13 is arranged inside the piston groove 12, and the other end of the piston block 13 is fixedly connected to the movable plate 8. After the pressure medium enters the piston groove 12, it will push the piston block 13 to move. When the piston block 13 moves, it will push the movable plate 8 to move. When the movable plate 8 moves, it will push the push rod 9 to move. The movement of the push rod 9 will push the steel ball 7 to move.

[0029] like Figure 4As shown, the reset assembly includes a guide rod 10 and a reset spring 11. The guide rod 10 is fixedly installed inside the movable groove 5, and the reset spring 11 is arranged around the guide rod 10, and one end of the reset spring 11 is movably connected to the inner wall of the movable groove 5. When the pressure medium flows back, the movable plate 8 is no longer pressurized, and the reset spring 11 is reset, which will push the movable plate 8 to move, and the movement of the movable plate 8 will drive the push rod 9 to move.

[0030] like Figure 4 As shown, a diverter tube 15 is provided inside the chuck 3, and the diverter tube 15 is connected to the connector 2. A delivery tube 14 corresponding to the piston groove 12 is connected to the diverter tube 15, and the other end of the delivery tube 14 is connected to the piston groove 12. The pressure medium will flow into the delivery tube 14 through the diverter tube 15, and the pressure medium will flow into the delivery tube 14 through the diverter tube 15, and the pressure medium will flow into the piston groove 12 through the delivery tube 14.

[0031] like Figure 3 As shown, a groove 18 is provided on the pull nail 17. The pull nail 17 contacts the steel ball 7 through the groove 18, thereby positioning the position of the pull nail 17.

[0032] like Figure 1 、 Figure 2 and Figure 4 As shown, a conductive tube 19 is provided inside the tray 16, and the two groups of conductive tubes 19 are electrically connected. A conductive column 21 corresponding to the conductive tube 19 is fixedly mounted on the substrate 1. A battery assembly 22 corresponding to the chuck 3 is fixedly mounted on the substrate 1, and the battery assembly 22 is electrically connected to the conductive column 21. A display light 23 is provided on the battery assembly 22, and the display light 23 is electrically connected to another group of conductive columns 21 that are symmetrically arranged. After placing the tray 16 on the chuck 3, the conductive column 21 is inserted into the conductive tube 19, and then through the conductive tube 19, the current inside the battery assembly 22 will flow into the display light 23, and then the display light 23 will light up. By observing the working status of the display light 23, it can be judged whether the position of the clamp 20 is installed in place.

[0033] like Figure 2 and Figure 5 As shown, a strain sensor 24 is provided in an array on the top of the chuck 3 , and the strain sensor 24 can be used to detect whether the position of the tray 16 installed on the chuck 3 is in place.

[0034] Working principle: First, a flexible zero-point positioning device based on gas-liquid hybrid power is used to support the pallet 16. The pallet 16 clamps the workpiece through the clamp 20, and then fixes the workpiece to be processed on the machine tool. The machine tool processing assembly works to process the workpiece. According to the workpieces of different sizes, different clamps 20 are replaced to clamp the workpiece for processing. After the pull pin 17 on the support clamp 20 pallet 16 is inserted into the limit groove 4, the connector 2 is connected to the pipeline for conveying pressure medium from the outside. The pressure medium can be air pressure or hydraulic oil. After the medium flows into the connector 2, the pressure medium pressure will flow into the diverter pipe 15 through the connector 2, and the pressure medium will flow into the delivery pipe 14 through the diverter pipe 15. The pressure medium will flow into the piston groove 12 through the delivery pipe 14. After the pressure medium enters the piston groove 12, it will push the piston block 13 to move. When the piston block 13 moves, it will push the movable plate 8 to move. When the movable plate 8 moves, it will push the push rod 9 to move, and the movement of the push rod 9 will push the steel ball 7 to move. The pull pin 17 cooperates with the groove 18 and contacts the steel ball 7, thereby positioning the pull pin 17, and then the position of the tray 16 can be positioned, which is convenient for quickly positioning the position of the tray 16. When the external conveying equipment retracts the pressure medium, the positioning component no longer applies pressure to the pull pin 17, and the reset spring 11 resets, which will push the movable plate 8 to move. The movement of the movable plate 8 will drive the push rod 9 to move, and then no longer apply pressure to the steel ball 7, and then the tray 16 and the pull pin 17 can be removed, which is convenient for disassembly and replacement of the clamp 20. After placing the tray 16 on the chuck 3, the conductive column 21 is inserted into the conductive cylinder 19, and then through the conductive cylinder 19, the current inside the battery assembly 22 will flow into the display light 23, and then the display light 23 will light up. By observing the working status of the display light 23, it can be judged whether the position of the clamp 20 is installed in place.

[0035] The above-mentioned front, back, left, right, up and down are all based on the Figure 1 As a benchmark, according to the person's observation perspective, the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and so on.

[0036] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present invention.

[0037] The basic principles, main features, and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the foregoing embodiments. The foregoing embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and modifications are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A flexible zero-point positioning device based on gas-liquid hybrid power, characterized by: The invention comprises a base plate (1), a connector (2) is fixedly mounted on the base plate (1), a chuck (3) is symmetrically arranged on the base plate (1), a limiting groove (4) is arranged inside the chuck (3), a tray (16) is arranged on the top of the chuck (3), a clamp (20) is arranged on the top of the tray (16), a rivet (17) corresponding to the limiting groove (4) is fixedly mounted on the bottom of the tray (16), and one end of the rivet (17) extends into the limiting groove (4), a movable groove (5) is symmetrically arranged inside the chuck (3), a positioning component is arranged inside the movable groove (5), a reset component is arranged inside the movable groove (5), a driving component is arranged on the movable groove (5), and a detection component is arranged on the base plate (1); The positioning assembly comprises a strip groove (6) and a steel ball (7), wherein the strip groove (6) is fixedly mounted inside the movable groove (5), and the steel ball (7) is arranged inside the strip groove (6); The driving assembly includes a movable plate (8), a push rod (9), a piston groove (12) and a piston block (13), wherein the movable plate (8) is arranged inside the movable groove (5), one end of the push rod (9) is fixedly connected to the movable plate (8), and the other end of the push rod (9) extends into the strip groove (6), the piston groove (12) is fixedly installed on the movable groove (5), the piston block (13) is arranged inside the piston groove (12), and the other end of the piston block (13) is fixedly connected to the movable plate (8).

2. The flexible zero-point positioning device based on gas-liquid hybrid power according to claim 1, characterized in that: The reset assembly comprises a guide rod (10) and a reset spring (11), wherein the guide rod (10) is fixedly mounted inside the movable groove (5), and the reset spring (11) is arranged around the guide rod (10), and one end of the reset spring (11) is movably connected to the inner wall of the movable groove (5).

3. The flexible zero-point positioning device based on gas-liquid hybrid power according to claim 2, characterized in that: A shunt pipe (15) is provided inside the chuck (3), and the shunt pipe (15) is connected to the connector (2). A delivery pipe (14) corresponding to the piston groove (12) is connected to the shunt pipe (15), and the other end of the delivery pipe (14) is communicated with the piston groove (12).

4. The flexible zero-point positioning device based on gas-liquid hybrid power according to claim 1, characterized in that: A groove (18) is provided on the pull nail (17).

5. The flexible zero-point positioning device based on gas-liquid hybrid power according to claim 4, characterized in that: Conductive cylinders (19) are provided inside the tray (16), and two groups of conductive cylinders (19) are electrically connected. Conductive columns (21) corresponding to the conductive cylinders (19) are fixedly mounted on the base plate (1).

6. The flexible zero-point positioning device based on gas-liquid hybrid power according to claim 5, characterized in that: A battery assembly (22) corresponding to the chuck (3) is fixedly mounted on the substrate (1), and the battery assembly (22) is electrically connected to the conductive column (21). A display light (23) is provided on the battery assembly (22), and the display light (23) is electrically connected to another group of conductive columns (21) that are symmetrically arranged.

7. The flexible zero-point positioning device based on gas-liquid hybrid power according to claim 6, characterized in that: The top array of the chuck (3) is provided with strain sensors (24).

Images