CN214692082U

CN214692082U - Servo V-shaped clamp for robot

Info

Publication number: CN214692082U
Application number: CN202121076313.7U
Authority: CN
Inventors: 车谦功; 任惠生
Original assignee: Binzhou Bright Electric Co ltd
Current assignee: Binzhou Bright Electric Co ltd
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2021-11-12
Anticipated expiration: 2031-05-19

Abstract

The utility model discloses a servo V type anchor clamps for robot, including the support crossbeam, the equal fixedly connected with linking bridge in bottom both sides of support crossbeam, two be close to the below position between the linking bridge and be provided with the lead screw, the below both sides position of support crossbeam all is provided with movable clamp plate, two equal fixedly connected with ball nut on the movable clamp plate, two ball nut and the corresponding threaded connection of two sets of lead screw, two just be located a set of two fixed guide that are side by side of lead screw top position fixedly connected with between the linking bridge, and the top fixedly connected with servo motor of one of them linking bridge, the drive sprocket has been cup jointed on servo motor's the output. The utility model discloses in, through the V type clamp splice structure that sets up and the setting of cooperation connecting slot and spacing post, second V type piece can be at the centre gripping in-process with the crisscross chucking of first V type piece, makes the work piece that whole anchor clamps structure can the centre gripping smaller diameter, makes the centre gripping scope of structure wider.

Description

Servo V-shaped clamp for robot

Technical Field

The utility model relates to an electrical machinery trade technical field especially relates to servo V type anchor clamps for robot.

Background

In the electrical machinery trade, all adopt the robot to carry out mechanized transportation production work usually, the robot is when snatching short cylindrical work piece and carry and pile up neatly, need use the translation to press from both sides tight from centering V type servo control anchor clamps, if: a motor rotor, and therefore, there is a certain demand for a servo V-shaped jig for a robot capable of automatic centering;

present robot is with servo V type anchor clamps, adopt hydraulic pressure or pneumatic structure to drive the centre gripping mostly, different anchor clamps need be changed when the work piece to different size ranges to such mode of setting, very waste time and energy, hydraulic pressure or pneumatics lack stability when carrying out the centre gripping simultaneously, lead to the centre gripping card to pause or the unstable condition because of the back is not enough easily, and the accurate nature of centre gripping can not be guaranteed to conventional clamping structure, whether the centre gripping targets in place can not directly perceived the determination, and simultaneously, the work piece position is constantly changeable, namely: when clamping workpieces of different diameters, the central point of the workpiece is constantly changed along with the change of the opening size of the clamp, the robot is required to constantly make position compensation, the operation and programming work are very complicated and troublesome, and the load of the robot is very large.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and providing a servo V-shaped clamp for a robot.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the servo V-shaped clamp for the robot comprises a support cross beam, wherein two sides of the bottom of the support cross beam are fixedly connected with connecting supports, a screw is arranged between the two connecting supports and close to the lower position, moving clamping plates are arranged on two sides of the lower position of the support cross beam, ball nuts are fixedly connected on the two moving clamping plates and are in threaded connection with the two groups of screws correspondingly, a group of fixed guide rails which are arranged side by side is fixedly connected between the two connecting supports and positioned above the screw, a servo motor is fixedly connected to the top of one connecting support, a driving sprocket is sleeved on the output end of the servo motor, a driven sprocket is sleeved at the position, corresponding to the driving sprocket, of one end of the screw, the driving sprocket and the driven sprocket are mutually and rotatably connected through a transmission chain, and a robot adapter flange is fixedly connected to the center of the top of the support cross beam, two the relative one side of surface of movable clamp plate is close to the bottom position and is provided with two first V type pieces and a second V type piece respectively, one of them the movable clamp plate is last and be located the position and be provided with connecting slot between two first V type pieces, connecting slot center department fixedly connected with spacing post, two the surface of first V type piece and a second V type piece all is provided with insulating protective layer, and corresponding position all is provided with low voltage contactor on two first V type pieces and a second V type piece.

As a further description of the above technical solution:

the two ends of the lead screw are provided with opposite threads.

As a further description of the above technical solution:

and fixed bearings are arranged at the positions where the two ends of the screw rod are connected with the two connecting supports.

As a further description of the above technical solution:

two all two linear bearing on the movable clamp plate, and two movable clamp plates all pass through linear bearing and two fixed guide looks sliding connection.

As a further description of the above technical solution:

the two first V-shaped blocks and the second V-shaped block are correspondingly arranged in a staggered mode, and the distance between the two first V-shaped blocks is larger than the thickness of the second V-shaped block.

As a further description of the above technical solution:

the insulating protective layer is made of epoxy glass cloth.

The utility model discloses following beneficial effect has:

the servo V-shaped clamp for the robot has the advantages that through the arrangement of the arranged V-shaped clamping block structure and the matching of the connecting clamping groove and the limiting column, the second V-shaped block can be clamped with the first V-shaped block in a staggered manner in the clamping process, the sharp corner position of the second V-shaped block can extend into the connecting clamping groove, and the clamping plates at two sides are closer, so that the whole clamp structure can clamp workpieces with smaller diameters, the clamping range of the structure is wider, the conventional troublesome operation of replacing different clamps for workpieces with different sizes is not needed, the synchronous operation can be ensured during the clamping of the structure through the matching of the double lead screws and the guide rails, the central position of the workpieces is always kept at a fixed position when the clamps clamp workpieces with different diameters, the coordinate positions of clamping and putting down of the robot are always kept consistent, the compensation when the robot carries the workpieces with different diameters is avoided, and the subsequent carrying and stacking work is convenient, the complexity of robot control and programming is reduced, the signal independent transmission of the low-voltage contactors arranged on two sides can be ensured through the arranged insulating protective layers, when the low-voltage contactors on two sides generate contact signals, the clamps on two sides are shown to be in contact with a workpiece, namely, the clamping is in place, the contact signals generated on one side are not in place, and the use is very stable and convenient.

Drawings

Fig. 1 is a schematic view of the overall structure of a servo V-shaped clamp for a robot according to the present invention;

fig. 2 is a top view of a connecting bracket structure of a servo V-shaped clamp for a robot according to the present invention;

fig. 3 is a top view of a V-shaped block structure of a servo V-shaped fixture for a robot according to the present invention;

fig. 4 is a side view of the chain wheel structure of the servo V-shaped clamp for robot.

Illustration of the drawings:

1. a bracket beam; 2. connecting a bracket; 3. a lead screw; 4. fixing the bearing; 5. moving the clamping plate; 6. a ball nut; 7. fixing the guide rail; 8. a linear bearing; 9. a servo motor; 10. a drive sprocket; 11. a driven sprocket; 12. a drive chain; 13. a robot adapter flange; 14. a first V-shaped block; 15. a second V-shaped block; 16. a connecting clamping groove; 17. a limiting column; 18. an insulating protective layer; 19. a low-voltage contactor.

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 "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, 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.

Referring to fig. 1-4, the present invention provides an embodiment: a servo V-shaped clamp for a robot comprises a support beam 1, wherein two sides of the bottom of the support beam 1 are fixedly connected with connecting supports 2, a screw 3 is arranged between the two connecting supports 2 and close to the lower position, moving clamping plates 5 are arranged on two sides of the lower position of the support beam 1, ball nuts 6 are fixedly connected to the two moving clamping plates 5, the two ball nuts 6 are in threaded connection with two groups of screws 3 correspondingly, a group of two parallel fixed guide rails 7 are fixedly connected between the two connecting supports 2 and above the screw 3, a servo motor 9 is fixedly connected to the top of one connecting support 2, a driving sprocket 10 is sleeved on the output end of the servo motor 9, a driven sprocket 11 is sleeved on the position, corresponding to the driving sprocket 10, of one end of the screw 3, and the driving sprocket 10 and the driven sprocket 11 are mutually connected in a rotating mode through a transmission chain 12, the top center department fixedly connected with robot adapter flange 13 of support crossbeam 1, the relative one side of surface of two movable clamp plates 5 is close to the bottom position and is provided with two first V type pieces 14 and a second V type piece 15 respectively, one of them movable clamp plate 5 is gone up and is located the position between two first V type pieces 14 and be provided with connecting slot 16, connecting slot 16 inner center department fixedly connected with spacing post 17, the surface of two first V type pieces 14 and a second V type piece 15 all is provided with insulating protective layer 18, and corresponding position all is provided with low voltage contactor 19 on two first V type pieces 14 and a second V type piece 15.

Two ends of the screw rod 3 are provided with opposite threads, so that the clamping structures on two sides can synchronously move relatively through the arrangement of the structure, the automatic centering operation is realized, and the clamping stability can be ensured; the fixed bearings 4 are arranged at the joint positions of the two ends of the screw rod 3 and the two connecting supports 2, and the structure of the screw rod 3 can be ensured to stably run through the arrangement of the bearings; the two linear bearings 8 are arranged on the two movable clamping plates 5, the two movable clamping plates 5 are in sliding connection with the two fixed guide rails 7 through the linear bearings 8, and the stability of the operation and clamping of the clamping plate structure can be ensured through the arrangement of the two groups of guide rails; the two first V-shaped blocks 14 and the second V-shaped block 15 are correspondingly arranged in a staggered mode, the distance between the two first V-shaped blocks 14 is larger than the thickness of the second V-shaped block 15, the clamping stability is guaranteed through the arrangement of the structure, meanwhile, the V-shaped block structure can be closer, so that a workpiece with a smaller diameter can be clamped, the clamping structure does not need to be continuously replaced according to the requirement, the operation efficiency of the structure is improved, the adaptability is stronger, and the insulation performance of the structure can be effectively guaranteed when the distance between the two first V-shaped blocks 14 is larger than the thickness of the second V-shaped block 15; the insulating protective layer 18 is made of epoxy glass cloth, a stable insulating effect can be achieved through the arrangement of the insulating protective layer 18, the signal of the low-voltage contactor can be independently transmitted when the clamps on the two sides are in contact with the workpiece, when the signals on the two sides are conducted, the condition that the two sides of the clamps are in contact with the workpiece is shown, and the clamp is in a clamping state, otherwise, the clamp is not in contact with the workpiece. And the function of indicating the clamping state is achieved.

The working principle is as follows: when the servo V-shaped clamp for the robot is used, the servo motor 9 is started, the servo motor 9 drives the driving sprocket 10 to rotate, the driving sprocket 10 drives the driven sprocket 11 to rotate through the transmission chain 12, so that the lead screw 3 is driven to rotate, the lead screw 3 drives the two ball nuts 6 to move, so that the two movable clamping plates 5 are driven to move synchronously, and the two movable clamping plates 5 respectively drive the first V-shaped block 14 and the second V-shaped block 15 to move relatively to clamp a workpiece.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. Servo V type anchor clamps for robot, including support crossbeam (1), its characterized in that: the bottom two sides of the support beam (1) are fixedly connected with connecting supports (2), a screw (3) is arranged between the two connecting supports (2) and close to the lower position, moving clamping plates (5) are arranged at the two sides of the lower position of the support beam (1), ball nuts (6) are fixedly connected to the two moving clamping plates (5), the two ball nuts (6) are in corresponding threaded connection with the two groups of screws (3), a group of two parallel fixed guide rails (7) are fixedly connected to the positions, above the screw (3), between the two connecting supports (2), a servo motor (9) is fixedly connected to the top of one connecting support (2), a driving sprocket (10) is sleeved on the output end of the servo motor (9), and a driven sprocket (11) is sleeved at the position, corresponding to the driving sprocket (10), of one end of the screw (3), the driving chain wheel (10) and the driven chain wheel (11) are mutually rotationally connected through a transmission chain (12), a robot adapter flange (13) is fixedly connected at the center of the top of the bracket beam (1), two first V-shaped blocks (14) and a second V-shaped block (15) are respectively arranged at the positions, close to the bottom, of the opposite sides of the outer surfaces of the two movable clamping plates (5), a connecting clamping groove (16) is arranged on one movable clamping plate (5) and between the two first V-shaped blocks (14), a limiting column (17) is fixedly connected at the inner center of the connecting clamping groove (16), the outer surfaces of the two first V-shaped blocks (14) and one second V-shaped block (15) are respectively provided with an insulating protective layer (18), and the corresponding positions of the two first V-shaped blocks (14) and the second V-shaped block (15) are provided with low-voltage contactors (19).

2. The servo V-clamp for robot of claim 1, wherein: two ends of the lead screw (3) are provided with opposite threads.

3. The servo V-clamp for robot of claim 1, wherein: and fixed bearings (4) are arranged at the positions where the two ends of the lead screw (3) are connected with the two connecting supports (2).

4. The servo V-clamp for robot of claim 1, wherein: two equal two linear bearing (8) on movable clamp plate (5), and two movable clamp plate (5) all through linear bearing (8) and two fixed guide rail (7) looks sliding connection.

5. The servo V-clamp for robot of claim 1, wherein: the two first V-shaped blocks (14) and the second V-shaped block (15) are correspondingly arranged in a staggered mode, and the distance between the two first V-shaped blocks (14) is larger than the thickness of the second V-shaped block (15).

6. The servo V-clamp for robot of claim 1, wherein: the insulating protective layer (18) is made of epoxy glass cloth.