CN218225607U

CN218225607U - High-precision machine tool component positioning device

Info

Publication number: CN218225607U
Application number: CN202222366796.5U
Authority: CN
Inventors: 郭华
Original assignee: Hubei Haorui Construction Development Co ltd
Current assignee: Hubei Haorui Construction Development Co ltd
Priority date: 2022-09-07
Filing date: 2022-09-07
Publication date: 2023-01-06
Anticipated expiration: 2032-09-07

Abstract

The utility model discloses a high accuracy lathe part positioner, the on-line screen storage device comprises a device base, the top fixedly connected with device location platform of device base, the inside of device location platform is provided with lifting unit, and the inside of device location platform has the connecting block through lifting unit sliding connection, the surface rotation of connecting block is connected with the centre gripping arm that two annular arrays were arranged, and connects for rotating between two centre gripping arms, two the top of centre gripping arm is all rotated and is connected with centre gripping subassembly, the inside of device base is provided with two push rod subassemblies that use with the centre gripping arm cooperation, and this positioner can the centre gripping part outer lane when two centre gripping arms are not criss-cross, can the centre gripping part inner circle when two centre gripping arms are criss-cross, can select the centre gripping mode according to the user demand, need not change positioner again, and convenient to use is favorable to improving the result of use of device.

Description

High-precision machine tool component positioning device

Technical Field

The utility model belongs to the positioner field, concretely relates to high accuracy lathe part positioner.

Background

The machine tool is a machine for machining equipment components, and mainly uses a turning tool to turn a component, also called a machine tool or a machine tool, which is conventionally called a machine tool for short, generally including a metal cutting machine, a forging machine, a woodworking machine and the like.

The existing parts have various shapes, wherein when a ring-shaped part is machined on a side surface, the ring-shaped part is usually clamped and positioned from the middle inner ring by a positioning device, the positioning device clamped from the outside is not suitable, the positioning device needs to be replaced, the use is troublesome, a device capable of clamping from the outside and clamping and positioning from the inner ring of the ring-shaped part is needed, and therefore a high-precision machine tool part positioning device is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high accuracy lathe part positioner to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a high accuracy lathe part positioner, includes the device base, the top fixedly connected with device location platform of device base, the inside of device location platform is provided with lifting unit, and the inside of device location platform has a connecting block through lifting unit sliding connection, the surface of connecting block is rotated and is connected with the centre gripping arm that two annular arrays were arranged, and connects for rotating between two centre gripping arms, two the top of centre gripping arm is all rotated and is connected with the centre gripping subassembly, the inside of device base is provided with two push rod assembly who uses with the centre gripping arm cooperation, the arm groove of pushing up that uses with the centre gripping arm cooperation is seted up in the inside cooperation of device location platform.

Preferably, lifting unit includes first motor, first threaded rod and gag lever post, the output shaft and the first threaded rod fixed connection of first motor, the equal activity through connection piece's of first threaded rod and gag lever post surface, and be threaded connection between first threaded rod and the connecting block.

Preferably, the first motor is fixedly installed on the surface of the device base, and one end of the limiting rod is fixedly connected with the device base.

Preferably, the clamping assembly comprises a rotary joint and a clamping plate, the rotary joint is rotatably connected with the clamping arm, and the rotary joint is rotatably connected with the clamping plate.

Preferably, the push rod subassembly includes motor box, electric putter, second threaded rod and promotes the piece, the surface of motor box is provided with the second motor, and the output and the second threaded rod fixed connection of second motor, the second threaded rod runs through the surface that promotes the piece, and promotes for threaded connection between piece and the second threaded rod, be fixed connection between electric putter's flexible end and the motor box.

Preferably, be fixed connection between electric putter and the device location platform, the one end fixedly connected with limit slide of motor box, the inside cooperation of device location platform is seted up and is supplied the spacing spout that limit slide removed, the inside cooperation of device location platform is seted up and is supplied the shifting chute that the promotion piece removed, and communicates between shifting chute and the top arm groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through being provided with two pivoted centre gripping arms relatively, can the centre gripping part outer lane when two centre gripping arms are not criss-cross, can centre gripping part inner circle when two centre gripping arms are criss-cross, can select the centre gripping mode according to the user demand, need not change positioner again, and convenient to use is favorable to improving the result of use of device.

2. Through being provided with a top arm groove, top arm groove is the shape of falling the trapezium, and two walls are more narrow down, and it is downward to drive the connecting block through lifting unit, and two centre gripping arms touch a top arm groove and can make two centre gripping arms rotate relatively to the centre gripping is located the object in the middle of two grip blocks, through being provided with push rod assembly, when two centre gripping arms are alternately, promotes two centre gripping arms respectively through two push rod assembly, makes two centre gripping arms push up part inner circle wall, carries out the clamping position to the part from the inner circle.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic vertical sectional view of the positioning table of the device of the present invention;

FIG. 3 is a schematic view of a part of the structure of the present invention;

FIG. 4 is a schematic cross-sectional view of the positioning table of the device of the present invention;

FIG. 5 is an enlarged view of the point A in FIG. 4 according to the present invention;

in the figure: 1. a device base; 2. a device positioning stage; 3. a first motor; 4. a first threaded rod; 5. connecting blocks; 6. a limiting rod; 7. a clamp arm; 8. a rotary joint; 9. a clamping plate; 10. a top arm groove; 11. a motor case; 12. a second threaded rod; 13. a pushing block; 14. a moving groove; 15. an electric push rod; 16. a limiting slide block; 17. a limiting chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a high accuracy lathe part positioner, including device base 1, device base 1's top fixedly connected with device location platform 2, the inside of device location platform 2 is provided with lifting unit, and the inside of device location platform 2 has connecting block 5 through lifting unit sliding connection, the surface rotation of connecting block 5 is connected with two centre gripping arms 7 that the annular array was arranged, centre gripping arm 7 is relative position and puts, but stagger about device location platform 2 central line, and be the rotation connection between two centre gripping arms 7, two centre gripping arms 7 reach the mesh of being close to each other through relative rotation, the top of two centre gripping arms 7 all rotates and is connected with centre gripping subassembly, control centre gripping subassembly relative movement through centre gripping arm 7 and carry out centre gripping location to the part, the inside of device base 1 is provided with two top arm grooves 10 that use with centre gripping arm 7 cooperation push rod, promote centre gripping arm 7 through push rod subassembly, make two centre gripping arms 7 respectively push up on two relative inner walls of part inner circle, reach the effect of location, the inside cooperation of device location platform 2 is offered and is used with centre gripping arm 7 cooperation, top arm groove 10 is more narrow down two centre gripping arms are more narrow down through lifting unit 5 drives, two centre gripping arms 7 can make two centre gripping arm 9 that centre gripping arm rotate and bump to the centre gripping arm 9.

Further, the lifting assembly comprises a first motor 3, a first threaded rod 4 and a limiting rod 6, an output shaft of the first motor 3 is fixedly connected with the first threaded rod 4, the first threaded rod 4 and the limiting rod 6 penetrate through the surface of the connecting block 5 in a movable mode, the first threaded rod 4 is in threaded connection with the connecting block 5, the first motor 3 is fixedly installed on the surface of the device base 1, one end of the limiting rod 6 is fixedly connected with the device base 1, the limiting rod 6 plays a role in limiting the connecting block 5, the connecting block 5 is prevented from rotating, the clamping assembly comprises a rotary joint 8 and a clamping plate 9, the rotary joint 8 is in rotary connection with the clamping arms 7, the rotary joint 8 is in rotary connection with the clamping plate 9, a rotatable rotary joint 8 is arranged, when the two clamping arms 7 are crossed with each other, the rotary joint 8 rotates to drive the two clamping plates 9 to rotate, avoiding is carried out, a certain distance is arranged between the rotary joint 8 and the clamping plates 9, and the clamping plates 9 can obliquely rotate downwards towards the inner side of the rotary joint 8.

Further, the push rod assembly comprises a motor box 11, an electric push rod 15, a second threaded rod 12 and a push block 13, a second motor is arranged on the surface of the motor box 11, the output end of the second motor is fixedly connected with the second threaded rod 12, the second threaded rod 12 penetrates through the surface of the push block 13, the push block 13 is in threaded connection with the second threaded rod 12, the telescopic end of the electric push rod 15 is fixedly connected with the motor box 11, the electric push rod 15 is fixedly connected with the device positioning table 2, one end of the motor box 11 is fixedly connected with a limit slider 16, a limit sliding groove 17 for the limit slider 16 to move is formed in the internal fit of the device positioning table 2, the limit slider 16 can limit the moving distance of the motor box 11 in the limit sliding groove 17, the groove length of the limit sliding groove 17 is designed, the motor box 11 drives the push block 13 to just stretch out of the width of the clamping arm 7, a moving groove 14 for the push block 13 to move is formed in the internal fit of the device positioning table 2, and the moving groove 14 is communicated with the top arm groove 10.

The utility model discloses a theory of operation and use flow: when the device is used, a component to be positioned is placed on the top surface of a positioning table 2 of the device, the first threaded rod 4 is driven to rotate by starting the first motor 3, the first threaded rod 4 drives the connecting block 5 to move along the surface of the first threaded rod 4 in a rotating manner, the connecting block 5 moves downwards by controlling the rotating direction of the first threaded rod 4, the limiting rod 6 plays a role of limiting the connecting block 5 to prevent the connecting block 5 from rotating, the connecting block 5 moves downwards to drive the two clamping arms 7 to move downwards, and in the process of moving downwards, because the upper arm groove 10 is narrower downwards, the two clamping arms 7 rotate relatively by the limitation of the upper arm groove 10 to drive the two clamping plates 9 to move together, the distance between the two clamping plates 9 is closer and closer until the two clamping plates 9 clamp the component, and because the two clamping plates 9 are rotatably connected with the rotary joint 8, when the clamping plate 9 is contacted with a component, the clamping plate can rotate to an inclination which is attached to the surface of the component in the clamping process, when the component needs to be clamped from the inner ring of the component, the two clamping arms 7 are firstly rotated to the positions which are most upward, the end parts of the two clamping arms 7 are crossed at the moment, the rotary joint 8 can be rotated to drive the clamping plates 9 to rotate, the facing surfaces of the clamping plates 9 are adjusted to enable the two clamping plates 9 to avoid when the two clamping arms 7 are crossed, then the clamping plates 9 are rotated back, then the component is placed on the device positioning table 2, the two clamping arms 7 penetrate through the inner ring of the component, then the first motor 3 is started to drive the two clamping arms 7 to descend, in the descending process, the two clamping arms 7 are rotated in a crossed mode until the two clamping plates 9 are just positioned at the upper end of the inner ring edge of the component, and then the electric push rod 15 is started, promote motor box 11 and remove, drive and promote piece 13, shifting chute 14 moves together, make the one end that promotes piece 13 stretch to the armpit 10 in, spacing slider 16 removes in spacing spout 17, it is spacing to carry out motor box 11 displacement, restart the second motor in the motor box 11, it is rotatory to drive shifting chute 14, the rotatory drive of shifting chute 14 promotes piece 13 and removes, make and promote piece 13 and promote centre gripping arm 7 towards the direction of part inner circle, two centre gripping arms 7 promote towards two relative directions respectively at the inner circle of part, reach the effect of location, grip block 9 pushes down the top at the part again under the drive of first motor 3, thereby fix a position the part from the inner circle.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high accuracy lathe part positioner, includes device base (1), its characterized in that: the top fixedly connected with device location platform (2) of device base (1), the inside of device location platform (2) is provided with lifting unit, and the inside of device location platform (2) has connecting block (5) through lifting unit sliding connection, the surperficial rotation of connecting block (5) is connected with centre gripping arm (7) that two annular arrays were arranged, and connects for rotating between two centre gripping arms (7), two the top of centre gripping arm (7) all rotates and is connected with centre gripping subassembly, the inside of device base (1) is provided with two push rod subassemblies that use with centre gripping arm (7) cooperation, top arm groove (10) of using with centre gripping arm (7) cooperation are seted up in the inside cooperation of device location platform (2).

2. A high accuracy machine tool component positioning apparatus according to claim 1, wherein: the lifting assembly comprises a first motor (3), a first threaded rod (4) and a limiting rod (6), an output shaft of the first motor (3) is fixedly connected with the first threaded rod (4), the first threaded rod (4) and the limiting rod (6) penetrate through the surface of the connecting block (5) in a moving mode, and the first threaded rod (4) is in threaded connection with the connecting block (5).

3. A high accuracy machine tool component positioning apparatus according to claim 2, wherein: the first motor (3) is fixedly installed on the surface of the device base (1), and one end of the limiting rod (6) is fixedly connected with the device base (1).

4. A high accuracy machine tool component positioning apparatus according to claim 1, wherein: the clamping assembly comprises a rotary joint (8) and a clamping plate (9), the rotary joint (8) is rotatably connected with the clamping arm (7), and the rotary joint (8) is rotatably connected with the clamping plate (9).

5. A high precision machine tool component positioning device according to claim 1, characterized in that: the push rod assembly comprises a motor box (11), an electric push rod (15), a second threaded rod (12) and a pushing block (13), wherein the surface of the motor box (11) is provided with a second motor, the output end of the second motor is fixedly connected with the second threaded rod (12), the second threaded rod (12) penetrates through the surface of the pushing block (13), the pushing block (13) is in threaded connection with the second threaded rod (12), and the telescopic end of the electric push rod (15) is fixedly connected with the motor box (11).

6. A high accuracy machine tool component positioning apparatus as defined in claim 5, wherein: be fixed connection between electric putter (15) and device location platform (2), the one end fixedly connected with limit slide (16) of motor box (11), the inside cooperation of device location platform (2) is seted up and is supplied limit slide (17) that limit slide (16) removed, the inside cooperation of device location platform (2) is seted up and is supplied to promote movable groove (14) that piece (13) removed, and communicates between movable groove (14) and top arm groove (10).