CN212683666U

CN212683666U - Clamp for automatic production

Info

Publication number: CN212683666U
Application number: CN202021070761.1U
Authority: CN
Inventors: 赵荣廷
Original assignee: Kunshan Mingyuan Precision Hardware Co ltd
Current assignee: Kunshan Mingyuan Precision Hardware Co ltd
Priority date: 2020-06-11
Filing date: 2020-06-11
Publication date: 2021-03-12
Anticipated expiration: 2030-06-11

Abstract

The utility model discloses an automatic change anchor clamps for production, the on-line screen storage device comprises a base, the right side fixedly connected with servo motor of base, servo motor's output fixedly connected with screw rod, the inner chamber to the base is run through in the left side of screw rod, the left-hand thread has been seted up on the right side on screw rod surface. The utility model discloses a pneumatic cylinder promotes the support column rebound, the support column rotates in the guide way inside this moment, then the support column drives the punch holder and removes, and the punch holder rotates around the fixed column under the effect of changeing the hole, the rotation through the punch holder drives the blotter and rotates, top centre gripping to the work piece through the blotter, the advantage of two-sided centre gripping has been reached, the current anchor clamps for automated production do not possess the function of two-sided centre gripping when using has been solved, often anchor clamps can only control two-sided centre gripping, and can't carry out the centre gripping to being processed the work piece top, so that the work piece can appear rocking, therefore the problem that people used is not convenient for.

Description

Clamp for automatic production

Technical Field

The utility model relates to an anchor clamps technical field specifically is an automatic change anchor clamps for production.

Background

In the mechanical manufacturing process, a device for fixing a processing object to occupy a correct position to receive construction or detection, also called a fixture, is broadly called a clamp, and in any process in the process, a device for quickly, conveniently and safely installing a workpiece is called as a clamp.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an anchor clamps for automated production possesses the advantage of two-sided centre gripping, has solved current anchor clamps for automated production and does not possess the function of two-sided centre gripping when using, often anchor clamps only can control two-sided centre gripping, and can't carry out the centre gripping to being processed the work piece top to the work piece can appear rocking, consequently the problem that people used not convenient for.

(II) technical scheme

For the purpose of realizing above-mentioned two-sided centre gripping, the utility model provides a following technical scheme: a clamp for automatic production comprises a base, wherein a servo motor is fixedly connected to the right side of the base, a screw rod is fixedly connected to the output end of the servo motor, the left side of the screw rod penetrates through the inner cavity of the base, reverse threads are formed on the right side of the surface of the screw rod, positive threads are formed on the left side of the surface of the screw rod, thread sleeves are in threaded connection with the surfaces of the reverse threads and the positive threads, a moving rod is fixedly connected to the top of each thread sleeve, the top of each moving rod penetrates through the top of the base and is fixedly connected with a clamping seat, a connecting block is fixedly connected to the left side of the bottom of the inner wall of the clamping seat, a hydraulic cylinder is movably connected to the top of each connecting block, a supporting column is fixedly connected to the top of the front side of the hydraulic cylinder, an upper clamping plate is movably connected to the surface of each supporting, a vertical groove is formed in one side of the inner wall of the clamping seat, and the inner wall of the vertical groove is in sliding connection with the surface of the upper clamping plate.

Preferably, the bearing ring is embedded into the left side of the inner wall of the base, the inner ring of the bearing ring is movably connected with the left side of the screw rod, transverse grooves are formed in the two sides of the top of the inner wall of the base, and the inner wall of each transverse groove is in sliding connection with the surface of the moving rod.

Preferably, one side fixedly connected with blotter of punch holder bottom, the blotter is the circular arc structure setting, and the blotter adopts natural rubber to make.

Preferably, a guide groove is formed in one side of the inner ring of the upper clamping plate, the front side of the supporting column penetrates through the front side of the upper clamping plate, and the surface of the supporting column is in sliding connection with the inner wall of the guide groove.

Preferably, the inner side of the inner cavity of the upper clamping plate is provided with a rotating hole, the diameter of the rotating hole is larger than that of the fixing column, the inner wall of the rotating hole is movably connected with the surface of the fixing column, and the front side and the back side of the fixing column are fixedly connected with the inner wall of the clamping seat.

(III) advantageous effects

Compared with the prior art, the utility model provides an automatic change anchor clamps for production possesses following beneficial effect:

1. the utility model discloses a pneumatic cylinder promotes the support column rebound, the support column rotates in the guide way inside this moment, then the support column drives the punch holder and removes, and the punch holder rotates around the fixed column under the effect of changeing the hole, the rotation through the punch holder drives the blotter and rotates, top centre gripping to the work piece through the blotter, the advantage of two-sided centre gripping has been reached, the current anchor clamps for automated production do not possess the function of two-sided centre gripping when using has been solved, often anchor clamps can only control two-sided centre gripping, and can't carry out the centre gripping to being processed the work piece top, so that the work piece can appear rocking, therefore the problem that people used is not convenient for.

2. The utility model discloses a race ring makes the screw rod more smooth and easy at the base internal rotation, has reduced the frictional force between screw rod and the base to the life of screw rod has been prolonged.

3. The utility model discloses a change the hole, make the punch holder more smooth and easy when rotating around the fixed column to the frictional force between punch holder and the fixed column has been reduced.

Drawings

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

FIG. 2 is a cross-sectional view of the holder structure of the present invention;

fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

In the figure: 1. a base; 2. a threaded sleeve; 3. a transverse groove; 4. reverse threads; 5. a screw; 6. a positive thread; 7. a bearing ring; 8. a travel bar; 9. a holder; 10. an upper splint; 11. a cushion pad; 12. a servo motor; 13. connecting blocks; 14. a hydraulic cylinder; 15. hole turning; 16. fixing a column; 17. a vertical slot; 18. a support pillar; 19. a guide groove.

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 work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", 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 to be referred 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. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses a base 1, swivel nut 2, transverse groove 3, reverse thread 4, screw rod 5, positive thread 6, race ring 7, carriage release lever 8, holder 9, punch holder 10, blotter 11, servo motor 12, connecting block 13, pneumatic cylinder 14, commentaries on classics hole 15, fixed column 16, perpendicular groove 17,

support column

18 and 19 parts of guide way are the parts that general standard or technical personnel in the field know, and its structure and principle all are this technical personnel and all can learn the manual or learn through conventional experimental method through the technique.

Referring to fig. 1-3, an automatic production fixture comprises a base 1, a servo motor 12 fixedly connected to the right side of the base 1, a screw rod 5 fixedly connected to the output end of the servo motor 12, the left side of the screw rod 5 penetrating into the inner cavity of the base 1, a reverse thread 4 formed on the right side of the surface of the screw rod 5, a positive thread 6 formed on the left side of the surface of the screw rod 5, a threaded sleeve 2 threadedly connected to the surfaces of the reverse thread 4 and the positive thread 6, a bearing ring 7 embedded in the left side of the inner wall of the base 1, an inner ring of the bearing ring 7 movably connected to the left side of the screw rod 5, the screw rod 5 rotating more smoothly in the base 1 through the bearing ring 7, and friction between the screw rod 5 and the base 1 are reduced, thereby prolonging the service life of the screw rod 5, a transverse groove 3 formed on both sides of the top of the inner wall of the base 1, and the, the top of the screw sleeve 2 is fixedly connected with a moving rod 8, the top of the moving rod 8 penetrates through the top of the base 1 and is fixedly connected with a clamping seat 9, the left side of the bottom of the inner wall of the clamping seat 9 is fixedly connected with a connecting block 13, the top of the connecting block 13 is movably connected with a hydraulic cylinder 14, the top of the front side of the hydraulic cylinder 14 is fixedly connected with a supporting column 18, the surface of the supporting column 18 is movably connected with an upper clamping plate 10, one side of the inner ring of the upper clamping plate 10 is provided with a guide groove 19, the front side of the supporting column 18 penetrates through the front side of the upper clamping plate 10, the surface of the supporting column 18 is in sliding connection with the inner wall of the guide groove 19, one side of the inner cavity of the upper clamping plate 10 is movably connected with a fixed column 16, the inner side of the inner cavity of the upper clamping plate 10 is provided with a rotating hole 15, the diameter, thereby reduced the frictional force between punch holder 10 and the fixed column 16, the front side and the dorsal part of fixed column 16 all with the inner wall fixed connection of holder 9, the inboard of punch holder 10 runs through to the inboard of holder 9, perpendicular groove 17 has been seted up to one side of holder 9 inner wall, the inner wall that erects groove 17 is sliding connection with the surface of punch holder 10, one side fixedly connected with blotter 11 of punch holder 10 bottom, blotter 11 is the circular arc structure setting, and blotter 11 adopts natural rubber to make.

When the clamping device is used, firstly, the screw rod 5 is driven to rotate through the servo motor 12, the screw rod 5 drives the reverse thread 4 and the positive thread 6 to rotate, the screw sleeve 2 moves inwards under the threaded connection of the reverse thread 4, the positive thread 6 and the screw sleeve 2, the moving rod 8 is driven to move through the movement of the screw sleeve 2, the moving rod 8 drives the clamping seat 9 to move, two sides of a workpiece are clamped through the clamping seat 9, then the supporting column 18 is pushed to move upwards through the hydraulic cylinder 14, the supporting column 18 rotates in the guide groove 19 at the moment, the supporting column 18 drives the upper clamping plate 10 to move, the upper clamping plate 10 rotates around the fixed column 16 under the action of the rotating hole 15, the cushion pad 11 is driven to rotate through the rotation of the upper clamping plate 10, the cushion pad 11 is arranged for clamping the top of the workpiece, the clamping force between the clamping plate 10 and the workpiece is reduced, and the workpiece is prevented from being damaged (electric appliance elements in the text are all electrically connected, and the master may be a computer or the like serving as a conventionally known device for control).

While embodiments of the present invention have been shown and described, it will be apparent to those skilled in the art that various modifications and changes can be made in the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides an anchor clamps for automated production, includes base (1), its characterized in that: the right side of the base (1) is fixedly connected with a servo motor (12), the output end of the servo motor (12) is fixedly connected with a screw rod (5), the left side of the screw rod (5) penetrates through the inner cavity of the base (1), the right side of the surface of the screw rod (5) is provided with a reverse thread (4), the left side of the surface of the screw rod (5) is provided with a positive thread (6), the surfaces of the reverse thread (4) and the positive thread (6) are both in threaded connection with a threaded sleeve (2), the top of the threaded sleeve (2) is fixedly connected with a movable rod (8), the top of the movable rod (8) penetrates through the top of the base (1) and is fixedly connected with a clamp seat (9), the left side of the bottom of the inner wall of the clamp seat (9) is fixedly connected with a connecting block (13), the top of the connecting block (13) is movably connected with a hydraulic cylinder (14), and, the surface swing joint of support column (18) has punch holder (10), one side swing joint of punch holder (10) inner chamber has fixed column (16), the inboard of punch holder (10) runs through to the inboard of holder (9), erect groove (17) have been seted up to one side of holder (9) inner wall, the inner wall of erecting groove (17) is sliding connection with the surface of punch holder (10).

2. The automatic clamp for production according to claim 1, wherein: bearing circle (7) have been embedded in the left side of base (1) inner wall, the inner circle of bearing circle (7) and the left side swing joint of screw rod (5), cross slot (3) have all been seted up to the both sides at base (1) inner wall top, the inner wall of cross slot (3) is sliding connection with the surface of carriage release lever (8).

3. The automatic clamp for production according to claim 1, wherein: one side fixedly connected with blotter (11) of punch holder (10) bottom, blotter (11) are the circular arc structure setting, and blotter (11) adopt natural rubber to make.

4. The automatic clamp for production according to claim 1, wherein: a guide groove (19) is formed in one side of the inner ring of the upper clamping plate (10), and the front side of the supporting column (18) penetrates through the front side of the upper clamping plate (10) and the surface of the supporting column (18) and the inner wall of the guide groove (19) to be in sliding connection.

5. The automatic clamp for production according to claim 1, wherein: the inner side of the inner cavity of the upper clamping plate (10) is provided with a rotating hole (15), the diameter of the rotating hole (15) is larger than that of the fixing column (16), the inner wall of the rotating hole (15) is movably connected with the surface of the fixing column (16), and the front side and the back side of the fixing column (16) are fixedly connected with the inner wall of the clamping seat (9).