CN220664056U

CN220664056U - Grabbing mechanism

Info

Publication number: CN220664056U
Application number: CN202321558755.4U
Authority: CN
Inventors: 胡晓君
Original assignee: Guangdong Juntian Technology Co ltd
Current assignee: Guangdong Juntian Technology Co ltd
Priority date: 2023-06-19
Filing date: 2023-06-19
Publication date: 2024-03-26
Anticipated expiration: 2033-06-19

Abstract

The utility model discloses a grabbing mechanism, and particularly relates to the technical field of grabbing mechanisms, which comprises a box body, wherein a clamping assembly for clamping a workpiece is arranged at the bottom end of the box body; a driving component for driving the clamping component to move is arranged in the box body; the driving assembly comprises a threaded rod, the threaded rod is arranged inside the box body, two ends of the threaded rod are movably connected with inner walls of two sides of the box body respectively through bearings, and the outer walls of two ends of the threaded rod are connected with connecting seats in a threaded mode. According to the utility model, the threaded rod is driven to rotate through the operation of the motor, and the two connecting seats are driven to simultaneously move inwards or outwards through the threaded rod, so that different workpieces can be clamped and fixed conveniently, meanwhile, through filling lubricating oil in the oil injection cylinder, the lubricating oil flows down to the outside of the threaded rod through the Y-shaped oil injection groove, the smoothness of the connecting seats in moving on the threaded rod is ensured, and the complexity of the structure and the manufacturing cost are reduced through the arrangement of the threaded rod.

Description

Grabbing mechanism

Technical Field

The utility model relates to the technical field of grabbing mechanisms, in particular to a grabbing mechanism.

Background

In modern production and manufacturing industry, mechanical automation is often used to replace manual operation, so that a grabbing mechanism of an industrial robot can adjust and align a grabbing piece according to a central position, and then a workpiece can be grabbed by clamping jaws in the grabbing piece.

In chinese patent document of publication No. CN217703467U, including fixed case, fixed case's top outer wall middle part is fixed with the motor, and the output shaft one end of motor extends to fixed case's inside and has cup jointed drive gear, fixed case's both sides inner wall all sliding connection has two symmetrically distributed racks, and two symmetrically distributed's sliding mouth has all been seted up to fixed case's both sides outer wall. According to the technical scheme, the motor operates to drive the driving gear to be meshed with the two racks for transmission, the two racks are driven to operate relatively, so that the two clamping blocks are driven to operate relatively to cooperate with the two protection pads, the workpiece is clamped preliminarily, then the plurality of first electric sliding rails operate to drive the L-shaped supporting plates of the bottom supporting components to be close to the bottom of the workpiece, then the plurality of second electric sliding rails operate to drive the plurality of L-shaped supporting plates to move transversely, the anti-slip pads on the L-shaped supporting plates are contacted with the bottom of the workpiece, and therefore the workpiece can be effectively grabbed and transported, and unexpected situations such as falling are avoided.

However, according to the technical scheme, the clamping block is driven to move by means of the meshing of the driving gear and the two racks, and the driving gear and the racks are worn in long-term meshing, so that the stability and smoothness of the follow-up adjustment of the movement of the clamping block can be affected.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides the grabbing mechanism, the threaded rod is driven to rotate by the operation of the motor, and the two connecting seats are driven to simultaneously move inwards or outwards by the threaded rod, so that different workpieces can be clamped and fixed conveniently, meanwhile, lubricating oil is filled in the oiling barrel, and falls outside the threaded rod by virtue of the Y-shaped oiling groove, so that the smoothness of the connecting seats when moving on the threaded rod is ensured, and the complexity of the structure and the manufacturing cost are reduced by virtue of the arrangement of the threaded rod, so that the problems in the background art are solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the grabbing mechanism comprises a box body, wherein a clamping assembly for clamping a workpiece is arranged at the bottom end of the box body;

a driving component for driving the clamping component to move is arranged in the box body;

the driving assembly comprises a threaded rod, the threaded rod is arranged inside the box body, two ends of the threaded rod are respectively and movably connected with inner walls of two sides of the box body through bearings, the outer walls of two ends of the threaded rod are respectively and threadably connected with a connecting seat, an oil injection groove is formed in the top end of the connecting seat in a penetrating mode, the section of the oil injection groove is Y-shaped, an oil injection cylinder is fixedly communicated with the top end of the connecting seat, and a sealing cover is externally threadably connected with the top end of the oil injection cylinder;

the threads at the two ends of the threaded rod are opposite in screw direction, and the threads at the two ends of the threaded rod are symmetrically distributed about the central axis of the threaded rod.

In a preferred embodiment, the clamping assembly comprises two connecting columns, the bottom half is all located to two connecting columns, the connecting column top runs through the box and with connecting seat bottom fixed connection, connecting column bottom mounting is equipped with the clamp plate, and one side that two clamp plates kept away from mutually is all fixed and is equipped with the fixed bolster, the fixed bolster cross-section is established to the U-shaped, the inside first electric putter that is equipped with two interval distributions of fixed bolster, first electric putter bottom runs through the fixed bolster and extends to the fixed bolster bottom, the fixed bolster bottom is equipped with the fixed frame, the inside second electric putter that is equipped with two interval distributions of fixed frame, one side that the fixed frame is close to the clamp plate is equipped with the backup pad, the second electric putter runs through the fixed frame and with backup pad fixed connection, through the cooperation of two clamp plates, is convenient for carry out the centre gripping fixed to the work piece, and the fixed frame moves down with the help of stretching of first putter, then drives the backup pad motion with the help of stretching of second electric putter, can support fixedly to the work piece bottom by this.

In a preferred embodiment, two slide holes are formed in the bottom end of the box body, two connecting columns are respectively arranged inside the two slide holes, the two slide holes are symmetrically distributed about the central axis of the box body, sliding plates are arranged below the two slide holes, the two sliding plates are fixedly sleeved outside the two connecting columns respectively, the connecting columns move along with the connecting seats through the arrangement of the slide holes, and meanwhile the slide holes are conveniently plugged and closed by means of the arrangement of the sliding plates.

In a preferred embodiment, the motor is installed to box one end, the output shaft of motor runs through the box and with threaded rod one end fixed connection, through the setting of motor, the drive threaded rod of being convenient for rotates to this can improve work efficiency.

In a preferred embodiment, two spacing holes have been seted up at box top, and two oiling section of thick bamboo bottom are established respectively inside two spacing holes, and two spacing hole tops all are equipped with the limiting plate, and two limiting plates are fixed respectively cup joints in two oiling section of thick bamboo bottom outsides, through the setting of spacing hole, are convenient for annotate an oiling section of thick bamboo and move along with the connecting seat together, carry out shutoff closure to spacing hole with the help of the limiting plate simultaneously.

In a preferred embodiment, the cross section of the connecting seat and the cross section of the box body are both rectangular, the outer wall of the connecting seat is contacted with the inner wall of the box body, and the connecting seat and the box body are rectangular, so that the connecting seat can perform linear motion due to limit of the box body when moving along with the threaded rod, and the stability of the connecting seat during movement can be ensured.

The utility model has the technical effects and advantages that:

the operation through the motor drives the threaded rod and rotates, drives two connecting seats simultaneously inwards or outwards to move through the threaded rod, is convenient for carry out the centre gripping fixedly to different work pieces by this, simultaneously through filling lubricating oil in the oiling section of thick bamboo, makes lubricating oil flow to the threaded rod outside with the help of the oil groove of Y shape, and the smoothness of guarantee connecting seat when moving on the threaded rod, and with the help of the setting of threaded rod, can reduce the complexity of structure, reduce cost.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a front view of a platen of the present utility model;

FIG. 3 is a cross-sectional view of the case of the present utility model;

FIG. 4 is a front view of the connector base of the present utility model;

fig. 5 is a cross-sectional view of the connector of the present utility model.

The reference numerals are: 1. a case; 2. a threaded rod; 3. a connecting seat; 4. an oil injection groove; 5. an oil injection cylinder; 6. sealing cover; 7. a motor; 8. a connecting column; 9. a pressing plate; 10. a fixed bracket; 11. a first electric push rod; 12. a fixed frame; 13. a second electric push rod; 14. a support plate; 15. a slide hole; 16. a slide plate; 17. a limiting hole; 18. and a limiting plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to the accompanying drawings 1-5 of the specification, the utility model provides a grabbing mechanism, which comprises a box body 1, wherein the bottom end of the box body 1 is provided with a clamping assembly for clamping a workpiece;

as shown in fig. 1-3, the clamping assembly comprises two connecting columns 8, the bottoms of the box 1 are all arranged on the two connecting columns 8, the top ends of the connecting columns 8 penetrate through the box 1 and are fixedly connected with the bottom ends of the connecting seats 3, pressing plates 9 are fixedly arranged at the bottom ends of the connecting columns 8, fixing supports 10 are fixedly arranged at one sides, far away from the two pressing plates 9, of the two pressing plates 9, the cross section of each fixing support 10 is set to be U-shaped, two first electric push rods 11 which are distributed at intervals are arranged inside the fixing supports 10, the bottom ends of the first electric push rods 11 penetrate through the fixing supports 10 and extend to the bottoms of the fixing supports 10, fixing frames 12 are arranged at the bottom ends of the fixing supports 10, two second electric push rods 13 which are distributed at intervals are arranged inside the fixing frames 12, one side, close to the pressing plates 9, of each second electric push rod 13 penetrates through the fixing frames 12 and is fixedly connected with the supporting plates 14, and is convenient for clamping and fixing workpieces by matching the two pressing plates 9, meanwhile, the fixing frames 12 are driven to move downwards by stretching by means of the first push rods, and then the supporting plates 14 are driven to move by stretching by the second electric push rods 13, so that the bottom ends of the workpieces can be supported and fixed by stretching.

As shown in fig. 2-4, two sliding holes 15 are formed in the bottom end of the box body 1, two connecting columns 8 are respectively arranged inside the two sliding holes 15, the two sliding holes 15 are symmetrically distributed about the central axis of the box body 1, sliding plates 16 are respectively arranged below the two sliding holes 15, the two sliding plates 16 are respectively fixedly sleeved outside the two connecting columns 8, the connecting columns 8 move along with the connecting seat 3 through the arrangement of the sliding holes 15, and meanwhile, the sliding holes 15 are conveniently plugged and closed by means of the arrangement of the sliding plates 16.

Moreover, a driving component for driving the clamping component to move is arranged in the box body 1;

as shown in fig. 2-4, the driving assembly comprises a threaded rod 2, the threaded rod 2 is arranged in the box body 1, two ends of the threaded rod 2 are respectively and movably connected with inner walls of two sides of the box body 1 through bearings, outer walls of two ends of the threaded rod 2 are respectively and threadably connected with a connecting seat 3, an oil injection groove 4 is formed in the top end of the connecting seat 3 in a penetrating manner, the cross section of the oil injection groove 4 is Y-shaped, an oil injection cylinder 5 is fixedly communicated with the top end of the connecting seat 3, and a sealing cover 6 is threadably connected with the outer part of the top end of the oil injection cylinder 5; the utility model discloses a novel electric screw machine, including threaded rod 2, motor 7 is installed to threaded rod 2 both ends screw thread spiral to opposite, threaded rod 2 both ends screw thread is about threaded rod 2 central axis symmetric distribution, motor 7's output shaft runs through box 1 and with threaded rod 2 one end fixed connection, through motor 7's setting, the drive threaded rod 2 of being convenient for rotates to this can improve work efficiency.

As shown in fig. 1-4, two limiting holes 17 are formed in the top of the box body 1, the bottom ends of the two oil injection cylinders 5 are respectively arranged inside the two limiting holes 17, limiting plates 18 are respectively arranged above the two limiting holes 17, the two limiting plates 18 are respectively fixedly sleeved outside the bottom ends of the two oil injection cylinders 5, the oil injection cylinders 5 move along with the connecting seat 3 conveniently through the arrangement of the limiting holes 17, and meanwhile the limiting holes 17 are plugged and closed by the aid of the limiting plates 18.

As shown in fig. 2-4, the cross section of the connecting seat 3 and the cross section of the box body 1 are both rectangular, and the outer wall of the connecting seat 3 is in contact with the inner wall of the box body 1, so that the connecting seat 3 can perform linear motion due to the limit of the box body 1 when moving along with the threaded rod 2 by setting the connecting seat 3 and the box body 1 to be rectangular, thereby ensuring the stability of the connecting seat 3 during movement.

The threaded rod 2 is driven to rotate through the operation of the motor 7, the threaded rod 2 drives the two connecting seats 3 to simultaneously move inwards or outwards, the distance between the two pressing plates 9 can be adjusted, workpieces with different specifications are clamped conveniently, the stability of the connecting seats 3 in movement is affected in order to avoid abrasion of the threaded rod 2 in long-time operation, lubricating oil is filled in the oiling barrel 5, the lubricating oil falls to the outside of the threaded rod 2 through the Y-shaped oiling groove 4, the smoothness of the connecting seats 3 in movement on the threaded rod 2 is guaranteed, the complexity of the structure can be reduced through the arrangement of the threaded rod 2, and the manufacturing cost is reduced.

Finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a snatch mechanism, includes box (1), its characterized in that: the bottom end of the box body (1) is provided with a clamping assembly for clamping a workpiece;

a driving component for driving the clamping component to move is arranged in the box body (1);

the driving assembly comprises a threaded rod (2), the threaded rod (2) is arranged inside the box body (1), two ends of the threaded rod (2) are respectively movably connected with inner walls of two sides of the box body (1) through bearings, connecting seats (3) are connected with outer walls of two ends of the threaded rod (2) in a threaded mode, oil injection grooves (4) are formed in the top ends of the connecting seats (3) in a penetrating mode, the cross section of each oil injection groove (4) is in a Y shape, an oil injection cylinder (5) is fixedly communicated with the top ends of the connecting seats (3), and sealing covers (6) are connected with outer threads of the top ends of the oil injection cylinders (5);

threads at two ends of the threaded rod (2) are opposite in screw direction, and threads at two ends of the threaded rod (2) are symmetrically distributed relative to the central axis of the threaded rod (2).

2. A gripping mechanism according to claim 1, characterised in that: the novel electric box is characterized in that a motor (7) is installed at one end of the box body (1), and an output shaft of the motor (7) penetrates through the box body (1) and is fixedly connected with one end of the threaded rod (2).

3. A gripping mechanism according to claim 1, characterised in that: the clamping assembly comprises two connecting columns (8), the bottoms of the box bodies (1) are all arranged on the two connecting columns (8), the top ends of the connecting columns (8) penetrate through the box bodies (1) and are fixedly connected with the bottom ends of the connecting seats (3), the pressing plates (9) are fixedly arranged on one sides, far away from each other, of the connecting columns (8), the fixing supports (10) are in U shapes, two first electric push rods (11) which are distributed at intervals are arranged inside the fixing supports (10), the bottoms of the first electric push rods (11) penetrate through the fixing supports (10) and extend to the bottoms of the fixing supports (10), fixing frames (12) are arranged at the bottom ends of the fixing supports (10), two second electric push rods (13) which are distributed at intervals are arranged inside the fixing frames (12), one sides, close to the pressing plates (9), of the fixing frames (12) are fixedly connected with the fixing frames (12), and the second electric push rods (13) penetrate through the fixing frames (12) and are fixedly connected with the supporting plates (14).

4. A gripping mechanism according to claim 1, characterised in that: two slide holes (15) have been seted up to box (1) bottom, and two spliced pole (8) are established respectively inside two slide holes (15), and two slide holes (15) are about box (1) central axis symmetric distribution, and two slide holes (15) below all is equipped with slide (16), and two slide (16) are fixed respectively cup joints in two spliced pole (8) outsides.

5. A gripping mechanism according to claim 1, characterised in that: two limiting holes (17) are formed in the top of the box body (1), the bottom ends of the two oiling barrels (5) are respectively arranged inside the two limiting holes (17), limiting plates (18) are arranged above the two limiting holes (17), and the two limiting plates (18) are respectively fixedly sleeved outside the bottom ends of the two oiling barrels (5).

6. A gripping mechanism according to claim 1, characterised in that: the cross section of the connecting seat (3) and the cross section of the box body (1) are rectangular, and the outer wall of the connecting seat (3) is contacted with the inner wall of the box body (1).