CN215510923U

CN215510923U - Positioning device for multi-angle clamping mechanical surface treatment machining

Info

Publication number: CN215510923U
Application number: CN202121398561.3U
Authority: CN
Inventors: 倪志兵
Original assignee: Nanjing Vocational University of Industry Technology NUIT
Current assignee: Nanjing Vocational University of Industry Technology NUIT
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2022-01-14
Anticipated expiration: 2031-06-22

Abstract

The utility model discloses a positioning device for multi-angle clamping mechanical surface treatment and processing, and relates to the technical field of machining. The adjustable clamping mechanism is connected to the top of the workbench in a rotating mode, and the auxiliary clamping mechanism is connected to the top of the workbench in a sliding mode. This positioner is used in mechanical surface treatment processing of multi-angle centre gripping, through setting up adjustable fixture and supplementary fixture, utilize the two collaborative work can carry out the centre gripping to the material of different specifications, thereby the practicality of this positioner has been improved and the working cost of processing spare part has been reduced, and the material after being fixed can be adjusted in the top of workstation, thereby make things convenient for the staff to rotate the material after the centre gripping, make the unprocessed position in material bottom rotatable to the top, thereby conveniently process, the convenience and the continuity of processing are improved.

Description

Positioning device for multi-angle clamping mechanical surface treatment machining

Technical Field

The utility model relates to the technical field of machining, in particular to a positioning device for multi-angle clamping mechanical surface treatment machining.

Background

Machining refers to a process of changing the physical dimensions or properties of a workpiece by a mechanical device. The difference in the machining method can be divided into cutting machining and pressing machining.

1. In the prior art, but along with the industrialization process accelerates, some machines often only need a part of an angle, but present mounting fixture often can not carry out multi-angle location processing, need process one side and dismantle the manual another side of changing into again, and process velocity is slow, and the benefit is not high.

2. In the prior art, most of the clamping devices can only clamp parts of a single specification, and when the parts of different specifications are required to be clamped, the clamping devices of different clamping specifications are required to be adopted, so that the processing mode undoubtedly increases the working cost.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the positioning device for the mechanical surface treatment and processing, which has the advantages of multi-angle clamping and solves the problems.

In order to realize the purpose of multi-angle clamping, the utility model provides the following technical scheme: a positioning device for multi-angle clamping mechanical surface treatment machining comprises a workbench, an adjustable clamping mechanism and an auxiliary clamping mechanism, wherein the adjustable clamping mechanism is rotatably connected to the top of the workbench, and the auxiliary clamping mechanism is slidably connected to the top of the workbench;

the adjustable clamping mechanism comprises a clamping ring and a movable disc, the bottom of the clamping ring is rotatably connected with the bottom of the workbench, and the inner wall of the clamping ring is rotatably connected with the movable disc.

As a preferable technical scheme, pulleys are fixedly mounted on the outer side of the movable disc, the movable disc is connected with the clamping ring in a sliding mode through the pulleys, positioning bolts are hinged to the outer side of the clamping ring, positioning openings are formed in the surface of the movable disc, and the positioning bolts extend into the positioning openings.

As a preferred technical solution of the present invention, a driving cavity is formed inside the movable disc, a motor is fixedly installed on an inner wall of the driving cavity, four lead screws are rotatably connected to the inner wall of the driving cavity, a gear is fixedly connected to the other end of each lead screw, the gear is engaged with the motor, a nut sleeve is connected to a surface of each lead screw in a threaded manner, and the nut sleeve extends to the outer side of the movable disc.

As a preferable technical scheme of the utility model, the outer side of the nut sleeve is fixedly provided with a limiting block, and the other end of the limiting block is connected with the inner wall of the driving cavity in a sliding manner.

As a preferable technical scheme, the auxiliary clamping mechanism comprises a hydraulic cylinder, a movable plate is fixedly mounted at the movable end of the hydraulic cylinder, a positioning sleeve is fixedly mounted on the surface of the movable plate, a movable sleeve is hinged to the top end of the positioning sleeve, and a cavity formed between the positioning sleeve and the movable sleeve is a clamping cavity.

As a preferred technical scheme of the utility model, the inner sides of the positioning sleeve and the movable sleeve are fixedly provided with telescopic sleeve rods, the surface of each telescopic sleeve rod is provided with a spring, the other end of each telescopic sleeve rod is fixedly provided with a positioning ring, and the two positioning rings are mutually overlapped.

Compared with the prior art, the utility model provides a positioning device for multi-angle clamping mechanical surface treatment processing, which has the following beneficial effects:

this positioner is used in mechanical surface treatment processing of multi-angle centre gripping, through setting up adjustable fixture and supplementary fixture, utilize the two collaborative work can carry out the centre gripping to the material of different specifications, thereby the practicality of this positioner has been improved and the working cost of processing spare part has been reduced, and the material after being fixed can be adjusted in the top of workstation, thereby make things convenient for the staff to rotate the material after the centre gripping, make the unprocessed position in material bottom rotatable to the top, thereby conveniently process, the convenience and the continuity of processing are improved.

Drawings

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

FIG. 2 is a schematic view of a clamp ring structure of the present invention;

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

FIG. 4 is a schematic view of the hydraulic cylinder of the present invention;

FIG. 5 is a side cross-sectional view of the movable plate structure of the present invention.

In the figure: 1. a work table; 2. an adjustable clamping mechanism; 3. an auxiliary clamping mechanism; 4. a clamp ring; 5. a movable tray; 6. a pulley; 7. positioning bolts; 8. positioning the opening; 9. a drive chamber; 10. a motor; 11. a screw rod; 12. a gear; 13. a nut sleeve; 14. a limiting block; 15. a hydraulic cylinder; 16. a movable plate; 17. a positioning sleeve; 18. a movable sleeve; 19. a telescopic loop bar; 20. a retaining ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the utility model discloses a positioning device for multi-angle clamping mechanical surface treatment, which comprises a workbench 1, an adjustable clamping mechanism 2 and an auxiliary clamping mechanism 3, wherein the adjustable clamping mechanism 2 is rotatably connected to the top of the workbench 1, and the auxiliary clamping mechanism 3 is slidably connected to the top of the workbench 1.

Adjustable fixture 2 includes grip ring 4 and activity dish 5, the bottom of grip ring 4 rotates with the bottom of workstation 1 to be connected, the inner wall of grip ring 4 rotates and is connected with activity dish 5.

Supplementary fixture 3 includes pneumatic cylinder 15, the expansion end fixed mounting of pneumatic cylinder 15 has fly leaf 16, the fixed surface of fly leaf 16 installs position sleeve 17, the top of position sleeve 17 articulates there is movable sleeve 18, the cavity that forms between position sleeve 17 and the movable sleeve 18 is the centre gripping chamber, the equal fixed mounting in inboard of position sleeve 17 and movable sleeve 18 has flexible loop bar 19, the surface of flexible loop bar 19 is provided with the spring, the other end fixed mounting of flexible loop bar 19 has holding ring 20, two the mutual overlap joint of holding ring 20.

This positioner is used in mechanical surface treatment processing of multi-angle centre gripping, through setting up adjustable fixture 2 and supplementary fixture 3, utilize the two collaborative work can carry out the centre gripping to the material of different specifications, thereby the practicality of this positioner has been improved and the working cost of processing spare part has been reduced, and the material after being fixed can be adjusted in the top of workstation 1, thereby make things convenient for the staff to rotate the material after the centre gripping, make the unprocessed position in material bottom rotatable to the top, thereby conveniently process, the convenience and the continuity of processing are improved.

Specifically, the outside fixed mounting of activity dish 5 has pulley 6, activity dish 5 passes through pulley 6 and 4 sliding connection of grip ring, the outside of grip ring 4 articulates there is locating pin 7, locating hole 8 has been seted up on the surface of activity dish 5, locating pin 7 extends to the inside of locating hole 8.

In this embodiment, when the material after the completion centre gripping needs to overturn, outwards stimulate the pilot pin 7 for the pilot pin 7 breaks away from the inside of locating hole 8, and activity dish 5 at this moment can rotate in the inside of grip ring 4, makes the material after being fixed obtain the upset.

Specifically, drive chamber 9 has been seted up to activity dish 5's inside, the inner wall fixed mounting in drive chamber 9 has motor 10, the inner wall of drive chamber 9 rotates and is connected with four lead screws 11, the other end fixedly connected with gear 12 of lead screw 11, gear 12 meshes with motor 10 mutually, the surperficial threaded connection of lead screw 11 has nut cover 13, the outside of activity dish 5 that nut cover 13 extends to.

In this embodiment, the motor 10 drives the screw rod 11 to rotate through the gear 12, so that the screw rod 11 drives the nut sleeve 13 to move in the axial direction, and the moving directions of the four nut sleeves 13 are opposite, so that the four nut sleeves 13 gradually move in opposite directions to the material inside the movable disk 5, and the four nut sleeves 13 clamp the material.

Specifically, a limiting block 14 is fixedly mounted on the outer side of the nut sleeve 13, and the other end of the limiting block 14 is connected with the inner wall of the driving cavity 9 in a sliding manner.

In this embodiment, the stopper 14 slides along the inner wall of the driving cavity 9 along with the nut sleeve 13, so that the movement stability of the nut sleeve 13 is improved.

The working principle and the using process of the utility model are as follows:

when the material clamping device is used, a material to be machined is inserted into the movable disc 5, the motor 10 is started, the motor 10 drives the screw rod 11 to rotate through the gear 12, the screw rod 11 drives the nut sleeve 13 to move in the axial direction, the moving directions of the four nut sleeves 13 are opposite, the four nut sleeves 13 gradually move oppositely to the material in the movable disc 5, the four nut sleeves 13 clamp the material, and then the clamping ring 4 is rotated to enable the clamping ring 4 to be opposite to the auxiliary clamping mechanism 3;

then pushing the other end of the material into a clamping cavity formed by a positioning sleeve 17 and a movable sleeve 18, so that the other end of the material is limited in the clamping cavity by the automatic resilience of a spring on a telescopic loop bar 19, and the other end of the material can rotate in the clamping cavity, so that the two ends of the material are respectively fixed in the adjustable clamping mechanism 2 and the auxiliary clamping mechanism 3;

when the material after clamping is required to be turned, the positioning bolt 7 is pulled outwards, so that the positioning bolt 7 is separated from the inside of the positioning opening 8, and the movable disc 5 can rotate inside the clamping ring 4 at the moment, so that the fixed material is turned.

In conclusion, this positioner is used in mechanical surface treatment processing of multi-angle centre gripping, through setting up adjustable fixture 2 and supplementary fixture 3, utilize the collaborative work of the two can carry out the centre gripping to the material of different specifications, thereby improved this positioner's practicality and reduced the working cost of processing spare part, and the material after being fixed can be adjusted in the top of workstation 1, thereby make things convenient for the staff to rotate the material after the centre gripping, make the unprocessed position in material bottom rotatable to the top, and then conveniently process, improve convenience and the continuity of processing.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a positioner is used in mechanical surface treatment processing of multi-angle centre gripping, includes workstation (1), adjustable fixture (2) and supplementary fixture (3), its characterized in that: the top of the workbench (1) is rotatably connected with an adjustable clamping mechanism (2), and the top of the workbench (1) is slidably connected with an auxiliary clamping mechanism (3);

adjustable fixture (2) include grip ring (4) and activity dish (5), the bottom of grip ring (4) is rotated with the bottom of workstation (1) and is connected, the inner wall of grip ring (4) rotates and is connected with activity dish (5).

2. The positioning device for multi-angle clamping mechanical surface treatment and processing as claimed in claim 1, wherein: the outside fixed mounting of activity dish (5) has pulley (6), activity dish (5) are through pulley (6) and grip ring (4) sliding connection, the outside of grip ring (4) articulates there is locating pin (7), location mouth (8) have been seted up on the surface of activity dish (5), locating pin (7) extend to the inside of locating hole (8).

3. The positioning device for multi-angle clamping mechanical surface treatment and processing as claimed in claim 1, wherein: drive chamber (9) have been seted up to the inside of activity dish (5), the inner wall fixed mounting in drive chamber (9) has motor (10), the inner wall of drive chamber (9) rotates and is connected with four lead screws (11), the other end fixedly connected with gear (12) of lead screw (11), gear (12) and motor (10) mesh mutually, the surperficial threaded connection of lead screw (11) has nut cover (13), the outside of activity dish (5) that nut cover (13) extend to.

4. The positioning device for multi-angle clamping mechanical surface treatment and processing as claimed in claim 3, wherein: the outer side of the nut sleeve (13) is fixedly provided with a limiting block (14), and the other end of the limiting block (14) is connected with the inner wall of the driving cavity (9) in a sliding mode.

5. The positioning device for multi-angle clamping mechanical surface treatment and processing as claimed in claim 1, wherein: supplementary fixture (3) include pneumatic cylinder (15), the expansion end fixed mounting of pneumatic cylinder (15) has fly leaf (16), the fixed surface of fly leaf (16) installs position sleeve (17), the top of position sleeve (17) articulates there is movable sleeve (18), the cavity that forms between position sleeve (17) and movable sleeve (18) is the centre gripping chamber.

6. The positioning device for multi-angle clamping mechanical surface treatment and processing as claimed in claim 5, wherein: the equal fixed mounting in inboard of position sleeve (17) and movable sleeve (18) has flexible loop bar (19), the surface of flexible loop bar (19) is provided with the spring, the other end fixed mounting of flexible loop bar (19) has holding ring (20), two the overlap joint each other of holding ring (20).