Pick-up gripper device

Abstract

The utility model relates to the field of automobile hub production and manufacturing, in particular to a piece taking gripper device which comprises a machine frame, a lifting air cylinder, a horizontal driving platform, two moving arms and four roller wheel assemblies. A horizontal driving mechanism is arranged in the horizontal driving platform, the driving ends of the two moving arms are in transmission connection with the horizontal driving mechanism, the grabbing ends of the two moving arms horizontally extend outwards and are arranged oppositely, and the grabbing ends of the two moving arms are driven by the horizontal driving platform to move oppositely or move away from each other. The moving arm arranged on the part taking gripper device can grasp or loosen an automobile hub, the lifting air cylinder can lift or descend the moving arm according to machining or carrying requirements, then mechanical clamping, clamping and positioning or carrying operation of the automobile hub can be achieved, manual labor is reduced, and production efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of automobile hub production and manufacturing, especially to a part taking gripper device. BACKGROUND

[0002] Most of automobile hubs are first formed by die casting, and the die-cast automobile hub is called a hub blank, which still needs to be processed more finely in the subsequent production process, so the automobile hub needs to be clamped and positioned or carried.

[0003] In the prior art, the clamping and positioning or carrying of the automobile hub still needs to be manually operated, and since the automobile hub is made of metal and is heavy, manual operation leads to excessive physical labor of the workers, low work efficiency, and is prone to production accidents, so developing a mechanical device capable of stably clamping and positioning or carrying the automobile hub is a technical problem to be solved in the field. UTILITY MODEL CONTENT

[0004] In view of the above defects, the utility model aims to provide a part taking gripper which can realize the automation of the clamping and positioning and carrying operation of the automobile hub, greatly improving the production efficiency under the premise of ensuring the production quality of the automobile hub.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] A part taking gripper device comprises a rack, a lifting cylinder, a horizontal driving platform, two moving arms and four roller assemblies; the upper end of the lifting cylinder is installed on the top of the rack, the lower end of the lifting cylinder is connected with the horizontal driving platform, and the horizontal driving platform moves up and down under the driving of the lifting cylinder; the four roller assemblies are divided into two groups, and the two groups of roller assemblies are arranged on the inner sides of the two moving arms; the two groups of roller assemblies are arranged in sequence along the extension direction of the grabbing end of the moving arm, so that the four roller assemblies arranged on the grabbing end of the two moving arms are located on the same horizontal plane; the horizontal driving platform is provided with a horizontal driving mechanism, and the two moving arms are arranged at the left end and the right end of the horizontal driving mechanism; the driving ends of the two moving arms are in transmission connection with the horizontal driving mechanism, the grabbing ends of the two moving arms extend horizontally and outward, and are arranged opposite to each other, and the grabbing ends of the two moving arms move towards each other or away from each other under the driving of the horizontal driving platform.

[0007] Preferably, the grabbing end of the moving arm is provided with an inner rotating shaft seat and an outer rotating shaft seat; the two inner rotating shaft seats on the two moving arms are arranged opposite to each other, and the two outer rotating shaft seats on the two moving arms are arranged opposite to each other; the roller assembly comprises a rotating shaft member and a roller member; the lower end of the rotating shaft member is vertically installed in the rotating shaft installation hole of the inner rotating shaft seat and the outer rotating shaft seat; and the roller member is rotatably sleeved on the outer portion of the upper end of the rotating shaft member and is limited by the protruding portion of the end portion of the rotating shaft member.

[0008] Preferably, the roller member comprises a rolling disc, a gland, a gasket and a bearing; the rolling disc is disc-shaped, a central portion of the rolling disc is provided with an installation cavity; the bottom of the installation cavity is provided with a first rotating shaft hole penetrating through the center, and the top of the installation cavity is provided with an installation opening; the middle portion of the gland is provided with a second rotating shaft hole; the bearing is installed in the installation cavity, and the outer ring of the bearing is in close contact with the installation cavity; the gland is sealed in the installation opening; the gasket is arranged between the gland and the bearing; the lower end of the rotating shaft member sequentially penetrates through the first rotating shaft hole, the installation cavity and the second rotating shaft hole; and the inner ring of the bearing is sleeved on the outer wall of the rotating shaft member.

[0009] Preferably, the top surface of the rolling disc is provided with an annular groove, the annular groove is located on the outside of the installation opening; the bottom surface of the gland is provided with an annular protrusion; the installation opening is upwardly provided with a convex edge portion; the second rotating shaft hole is sleeved on the outside of the convex edge portion when the gland is sealed in the installation opening; the annular protrusion is embedded in the annular groove; and the gland and the rolling disc are connected through bolts.

[0010] Preferably, the rolling disc is made of metal material.

[0011] Preferably, one side of the horizontal driving platform is horizontally provided with a turnover shaft, one end of the turnover shaft is fixedly connected with the horizontal driving platform, and the other end of the turnover shaft is in transmission connection with a turnover driving motor after penetrating through a turnover hole provided at the lower end of the lifting cylinder.

[0012] Preferably, the top of the rack is provided with a moving beam and a first transmission lead screw; the upper end of the lifting cylinder is provided with a sliding block, the sliding block is slidingly installed on the moving beam; the sliding block is provided with a threaded hole, the sliding block is sleeved on the outside of the first transmission lead screw; and one end of the first transmission lead screw is in transmission connection with a moving driving motor.

[0013] Preferably, the horizontal driving platform is internally provided with a second transmission lead screw, a sliding rail and a grabbing driving device; the driving end of the moving arm is provided with a threaded hole, the threads of the threaded holes provided on the two moving arms are opposite, the driving end of the moving arm is slidingly installed on the sliding rail; the second transmission lead screw penetrates through the threaded holes provided on the moving arms; and the second transmission lead screw is in transmission connection with the grabbing driving device.

[0014] Preferably, the pickup gripper device further comprises a transmission belt, which passes directly below the two moving arm facing areas.

[0015] Preferably, the protruding part provided at one end of the rotating shaft member is a screw cap, and the other end of the rotating shaft member is provided with external threads; the rotating shaft mounting hole of the inner rotating shaft base and the outer rotating shaft base is provided with internal threads.

[0016] The beneficial effects of the embodiment of the utility model: the moving arm provided with the pickup gripper device can grip or loosen the automobile hub, the lifting cylinder can lift or lower the moving arm according to the processing or carrying needs, and then the clamping positioning or carrying operation of the automobile hub can be mechanized, the manual labor is reduced, and the production efficiency is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structural schematic view of the hub in an embodiment of the utility model;

[0018] Figure 2 It is the structural schematic view of an embodiment of the utility model;

[0019] Figure 3 It is the sectional structure schematic view of the roller assembly in an embodiment of the utility model;

[0020] Figure 4 It is Figure 3 The exploded structural schematic view of the embodiment.

[0021] Wherein: outer rim 01, inner rim 02, cylindrical surface 03, lifting cylinder 11, horizontal drive platform 12, moving arm 13, roller assembly 14, rotating shaft member 15, rolling disc 16, annular groove 17, gland 18, annular protrusion 19, gasket 20, bearing 21, flange part 23, first rotating shaft hole 24, second rotating shaft hole 25, inner rotating shaft base 26, outer rotating shaft base 27, turnover shaft 28, moving beam 29, second transmission lead screw 30, bolt 31, transmission belt 32. DETAILED DESCRIPTION

[0022] The technical scheme of the utility model will be further illustrated by specific embodiments in combination with the drawings.

[0023] One embodiment of the present application, as Figures 1 to 4As shown, a kind of pickup gripper device, it includes: rack, lifting cylinder 11, horizontal drive platform 12, two mobile arms 13 and four roller assemblies 14;The upper end of the lifting cylinder 11 is installed on the top of the rack, the lower end of the lifting cylinder 11 is connected with the horizontal drive platform 12, and the horizontal drive platform 12 is moved up and down under the driving of the lifting cylinder 11;Four roller assemblies 14 are divided into two groups, two groups of roller assemblies 14 are respectively arranged on the inner side of two mobile arms 13, and two rollers are sequentially arranged along the extension direction of the grabbing end of mobile arm 13, so that the four roller assemblies 14 arranged on the grabbing end of two mobile arms 13 are located on the same horizontal plane;Horizontal drive mechanism is provided in the horizontal drive platform 12, and two mobile arms 13 are respectively arranged at the left end and the right end of the horizontal drive mechanism;The driving end of two mobile arms 13 is in transmission connection with the horizontal drive mechanism, the grabbing end of two mobile arms 13 extends horizontally outward, and is arranged opposite, and the grabbing end of two mobile arms 13 moves towards or moves away under the driving of the horizontal drive platform 12.The lifting cylinder 11 is retracted in initial state, and the horizontal drive platform 12 and mobile arm 13 are lifted to the highest position.When the automobile hub moves to the area directly below the grabbing end of two mobile arms 13, the horizontal drive mechanism drives the grabbing end of two mobile arms 13 to move away, so that two grabbing ends are separated;Then the lifting cylinder 11 drives the horizontal moving platform to descend to the appropriate position, so that the height of two grabbing ends is opposite to the height of the cylindrical surface 03 between the outer rim 01 and the inner rim 02 of the automobile hub;The horizontal drive mechanism drives two mobile arms 13 to move towards again, so that four roller assemblies 14 are closely attached to the cylindrical surface 03 of the automobile hub, and the automobile hub is clamped and positioned;The lifting cylinder 11 is lifted or lowered according to the processing requirement, so that the automobile hub is carried.

[0024] Preferably, the grabbing end of the mobile arm 13 is provided with an inner rotating shaft seat 26 and an outer rotating shaft seat 27;And two inner rotating shaft seats 26 on two mobile arms 13 are arranged opposite left and right, and two outer rotating shaft seats 27 on two mobile arms 13 are arranged opposite left and right;The roller assembly 14 includes: rotating shaft piece 15 and roller piece;The lower end of the rotating shaft piece 15 is vertically installed in the rotating shaft mounting hole provided in the inner rotating shaft seat 26 and the outer rotating shaft seat 27;The roller piece is rotatably sleeved on the outer portion of the upper end of the rotating shaft piece 15, and is limited by the protruding portion of the end portion of the rotating shaft piece 15.When the automobile hub is grabbed, four roller pieces can roll along the cylindrical surface 03 of the automobile hub, until four roller pieces move to four center-symmetric positions around the automobile hub, at this time, two mobile arms 13 continue to move towards, four roller assemblies 14 are closely attached to the cylindrical surface 03 of the automobile hub and keep relative static, that is, the automobile hub is grabbed.

[0025] Preferably, the roller assembly comprises a rolling disc 16, a gland 18, a gasket 20 and a bearing 21; the rolling disc 16 is disc-shaped, a mounting cavity is formed in the center of the rolling disc 16, a first rotating shaft hole 24 is formed through the center of the bottom of the mounting cavity, and a mounting opening is formed in the top of the mounting cavity; the middle of the gland 18 is provided with a second rotating shaft hole 25; the bearing 21 is mounted in the mounting cavity, and the outer ring of the bearing 21 is in close contact with the mounting cavity; the gland 18 is sealed in the mounting opening; the gasket 20 is arranged between the gland 18 and the bearing 21; the lower end of the rotating shaft 15 sequentially passes through the first rotating shaft hole 24, the mounting cavity and the second rotating shaft hole 25, and the rotating shaft 15; the inner ring of the bearing 21 is sleeved on the outer wall of the rotating shaft 15. The bearing 21 is installed in the roller assembly 14, which ensures that the rolling disc 16 can closely roll on the cylindrical surface 03 of the automobile hub when the moving arm 13 grabs the automobile hub, so that the rolling disc 16 rolls smoothly and is not easy to wear. In addition, the structural design of the roller assembly 14 facilitates the installation of the bearing 21, so that the production and installation process of the roller assembly 14 is more convenient, and the production and maintenance cost is lower.

[0026] Preferably, the top surface of the rolling disc 16 is provided with an annular groove 17, and the annular groove 17 is located outside the mounting opening; the bottom surface of the gland 18 is provided with an annular protrusion 19; the mounting opening is provided with a convex edge portion 23 upwardly; the gland 18 is sealed in the mounting opening, the second rotating shaft hole 25 is sleeved outside the convex edge portion 23; the annular protrusion 19 is embedded in the annular groove 17; the gland 18 and the rolling disc 16 are connected by bolts. The installation between the gland 18 and the rolling disc 16 is more compact and accurate, which also enables the bearing 21 to be more stably and firmly installed in the rolling disc 16, thereby ensuring the structural stability of the roller assembly 14.

[0027] Preferably, the rolling disc 16 is made of metal material. The roller assembly 14 is more wear-resistant and has a longer service life.

[0028] Preferably, one side of the horizontal driving platform 12 is horizontally provided with a turnover shaft 28, one end of the turnover shaft 28 is fixedly connected with the horizontal driving platform 12, and the other end of the turnover shaft 28 is transmissionally connected with a turnover driving motor after penetrating through a turnover hole formed in the lower end of the lifting cylinder 11. The horizontal driving platform 12 can be turned over under the driving of the turnover driving motor, so that the workpiece grabbing hand device can be turned over as needed after grabbing the automobile hub, thereby further facilitating the machining of the automobile hub.

[0029] Preferably, the top of the frame is provided with a moving beam 29 and a first transmission screw rod, the upper end of the lifting cylinder 11 is provided with a sliding block, the sliding block is slidingly installed on the moving beam 29, the sliding block is provided with a threaded hole, the sliding block is sleeved on the outside of the first transmission screw rod, and one end of the first transmission screw rod is in transmission connection with a moving drive motor. According to the carrying requirement, the moving arm 13 can move the automobile hub along the moving beam 29.

[0030] Preferably, the horizontal driving platform 12 is internally provided with a second transmission screw rod 30, a sliding rail and a grabbing driving device, the driving end of the moving arm 13 is provided with a threaded hole, the threads of the threaded holes provided on the two moving arms 13 are opposite, the driving end of the moving arm 13 is slidingly installed on the sliding rail, the second transmission screw rod 30 penetrates the threaded holes provided on the moving arm 13, and the second transmission screw rod is in transmission connection with the grabbing driving device. The moving arms 13 move towards or away from each other more stably and accurately, and the grabbing of the automobile hub by the grabbing hand device is more efficient and accurate.

[0031] Preferably, the grabbing hand device further comprises a transmission belt 32, and the transmission belt 32 passes through the position directly below the opposite areas of the two moving arms 13. The automobile hub can be automatically moved to the grabbing hand device as required and grabbed or carried by the moving arm 13.

[0032] Preferably, the protruding part provided at one end of the rotating shaft part 15 is limited as a nut, the other end of the rotating shaft part 15 is provided with an external thread, and the rotating shaft mounting holes of the inner rotating shaft seat 26 and the outer rotating shaft seat 27 are provided with internal threads.

[0033] In the description of the utility model, it is understood that the orientation words such as '' front, back, up, down, left, right '' '' horizontal, vertical, perpendicular, horizontal '' and '' top, bottom '' and the like indicated orientation or position relationship usually is based on the orientation or position relationship shown in the drawing, just for the convenience of describing the utility model and simplifying the description, under the condition of not making opposite statement, these orientation words do not indicate and imply that the indicated device or element must have a particular orientation or be constructed and operated in a particular orientation, therefore, it can not be understood as the limitation of the protection scope of the utility model;The orientation words '' inside, outside '' refer to the inside and outside of the contour of each component itself.

[0034] In addition, it should be noted that the use of '' first '' '' second '' and the like to limit parts is only for the convenience of distinguishing the corresponding parts, and the above words have no special meaning unless otherwise stated, therefore, it can not be understood as the limitation of the protection scope of the utility model.

[0035] The technical principles of the present application are described above in combination with specific embodiments. These descriptions are only for explaining the principles of the present application, and cannot be interpreted as limiting the protection scope of the present application in any way. Based on the explanations herein, other specific embodiments of the present application can be conceived by those skilled in the art without creative efforts, and these embodiments will all fall within the protection scope of the present application.

Claims

1. A pick-up gripper device, characterized in that The utility model relates to a kind of movable arm and four roller assemblies including: rack, lifting cylinder, horizontal drive platform, two mobile arms and four roller assemblies; The upper end of the lifting cylinder is installed on the top of the rack, the lower end of the lifting cylinder is connected with the horizontal drive platform, and the horizontal drive platform is driven to move up and down by the lifting cylinder; Four roller assemblies are divided into two groups, and two groups of roller assemblies are arranged on the inner side of two mobile arms, and two roller assemblies are arranged in sequence along the extension direction of the grabbing end of the mobile arm, so that the four roller assemblies arranged on the grabbing end of the two mobile arms are located on the same horizontal plane; The horizontal drive platform is provided with a horizontal drive mechanism, and the two mobile arms are arranged at the left end and the right end of the horizontal drive mechanism respectively;The driving end of the two mobile arms is in transmission connection with the horizontal drive mechanism, the grabbing end of the two mobile arms extends horizontally outward, and is arranged opposite, and the grabbing end of the two mobile arms moves towards or away from under the drive of the horizontal drive platform. The grabbing end of the mobile arm is provided with an inner rotating shaft seat and an outer rotating shaft seat;And the two inner rotating shaft seats on the two mobile arms are arranged opposite left and right, and the two outer rotating shaft seats on the two mobile arms are arranged opposite left and right; 2. A pick-up gripper device according to claim 1, characterized in that The roller assembly comprises a rotating shaft and a roller; The lower end of the rotating shaft is vertically installed in the rotating shaft mounting hole provided in the inner rotating shaft seat and the outer rotating shaft seat;The roller is rotatably sleeved on the outer portion of the upper end of the rotating shaft, and is limited by the protruding portion of the end portion of the rotating shaft. The roller comprises a rolling disc, a gland, a gasket and a bearing; 3. A pick-up gripper device according to claim 2, characterised in that The rolling disc is disc-shaped, and a mounting cavity is formed in the center of the rolling disc;A first rotating shaft hole is formed through the center of the bottom of the mounting cavity, and a mounting port is formed in the top of the mounting cavity; The middle part of the gland is provided with a second rotating shaft hole; The bearing is installed in the mounting cavity, and the outer ring of the bearing is in close contact with the mounting cavity;The gland is sealed in the mounting port;The gasket is arranged between the gland and the bearing; The lower end of the rotating shaft passes through the first rotating shaft hole, the mounting cavity and the second rotating shaft hole in sequence, and the inner ring of the bearing is sleeved on the outer wall of the rotating shaft. The top surface of the rolling disc is provided with an annular groove, and the annular groove is located outside the mounting port; 4. A pick-up gripper device according to claim 3, characterised in that The bottom surface of the gland is provided with an annular protrusion; The mounting port is provided with a convex edge portion upwardly;The second rotating shaft hole is sleeved outside the convex edge portion when the gland is sealed in the mounting port;The annular protrusion is embedded in the annular groove; The gland and the rolling disc are connected by bolts. The rolling disc is made of metal material.

5. A pick-up gripper device according to claim 3, characterised in that One side of the horizontal drive platform is horizontally provided with a turnover shaft, one end of the turnover shaft is fixedly connected with the horizontal drive platform, and the other end of the turnover shaft passes through the turnover hole provided in the lower end of the lifting cylinder and is in transmission connection with the turnover drive motor.

6. A pick-up gripper device according to claim 1, characterized in that The top of the rack is provided with a moving beam and a first transmission screw rod;The upper end of the lifting cylinder is provided with a sliding block, and the sliding block is slidingly installed on the moving beam;The sliding block is provided with a threaded hole, and the sliding block is sleeved outside the first transmission screw rod;One end of the first transmission screw rod is in transmission connection with the moving drive motor.

7. A pick-up gripper device according to claim 1, characterized in that ​ 8. A pick-up gripper device according to claim 1, characterized in that The horizontal driving platform is internally provided with a second transmission screw rod, a slide rail and a grabbing driving device; The driving end of the moving arm is provided with a threaded hole, the threads of the threaded holes provided on the two moving arms are opposite, the driving end of the moving arm is slidingly installed on the slide rail, the second transmission screw rod is provided through the threaded hole provided on the moving arm, and the second transmission screw rod is in transmission connection with the grabbing driving device.

9. A pick-up gripper device according to claim 1, characterized in that A transmission belt is further included, which passes through the position directly below the facing areas of the two moving arms.

10. A pick-up gripper device according to claim 2, characterized in that The protruding part provided on one end of the rotating shaft member is limited as a nut, the other end of the rotating shaft member is provided with an external thread, and the rotating shaft mounting hole of the inner rotating shaft seat and the outer rotating shaft seat is provided with an internal thread.

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