Mechanical arm lifting device

Abstract

The utility model relates to the technical field of mechanical arm lifting, and discloses a mechanical arm lifting device which comprises a machine body assembly, a driving assembly is arranged on the side face of the machine body assembly, a transmission assembly is arranged on the side face of the driving assembly, a lifting assembly is arranged at one end of the transmission assembly, and the lifting assembly is arranged on the other end of the transmission assembly. A fixing assembly is arranged on the side face of the lifting assembly. Through rotation of the worm, the worm can drive the worm gear connected with the side face in a meshed mode to rotate, due to the fact that meshing of the worm gear and the worm has a self-locking effect, the stability is better when the mechanical arm clamps a heavy object, and therefore lifting work of the lifting assembly is more stable, and the worm gear rotates to drive the transmission shaft to rotate; the transmission shaft can drive the gear to rotate, so that the racks meshed with the side face of the gear move in the direction of the sliding rail, the racks are arranged on the two sides of the gear correspondingly and move up and down in a staggered mode, the mechanical arm conducts staggered grabbing work, and the lifting grabbing efficiency of the mechanical arm is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical arm lifting technical field, concretely is a mechanical arm lifting device. BACKGROUND

[0002] Mechanical arm is the automation mechanical device that is most widely practical application in the field of mechanical man technology, can see its figure in the field of industrial manufacturing, medical treatment, entertainment service, military, semiconductor manufacturing and space exploration, although their forms are different, but they all have a common feature, that is, can accept instruction, accurately position to the certain point on three or two dimensional space and carry out work, in the processing transmission process, often use mechanical arm to carry out the work of grabbing and lifting.

[0003] Chinese patent publication number CN221160365U discloses a kind of mechanical arm lifting device, including bearing platform, the top back of the bearing platform is provided with mounting bracket, the inside of the mounting bracket is opened with lifting chamber, lifting assembly is arranged in the inside of the lifting chamber, buffer assembly is arranged in the inside bottom of the lifting chamber, the front of the lifting assembly is provided with connecting seat, the front of the connecting seat is provided with mechanical arm body, the lifting assembly includes lifting block, the back of the inside of the lifting chamber is provided with threaded rod and is connected with lifting block by screw thread, the front of the threaded rod and the both sides in lifting chamber are provided with auxiliary sliding pipe and penetrate lifting block, the top of the mounting bracket is provided with driving motor, the buffer assembly includes buffer base.

[0004] But the utility model in actual use, there are following problems: poor stability when using, lifting is carried out by screw thread transmission, and driving motor is continuously reversed to run up and down during lifting process, leading to low lifting efficiency, and the scope of application for assembly line work is small. UTILITY MODEL CONTENT

[0005] (One) technical problem solved

[0006] In order to overcome the above-mentioned defects of prior art, the utility model provides a kind of mechanical arm lifting device, solve the problem of low lifting efficiency of prior art in mechanical arm lifting device.

[0007] (Two) technical scheme

[0008] To achieve the above object, the utility model is realized by the following technical scheme: a kind of mechanical arm lifting device, including machine body component, the side of the machine body component is provided with driving component, the side of the driving component is provided with transmission component, one end of the transmission component is provided with lifting assembly, the side of the lifting assembly is provided with fixed component;

[0009] The transmission assembly comprises a worm, one end of the worm is fixedly installed with one end of a driving assembly, a worm wheel is meshingly installed on the side surface of the worm, and a transmission shaft is fixedly installed in the worm wheel;

[0010] The lifting assembly comprises a gear, the inside of the gear is fixedly installed with one end of the transmission shaft, and a rack is meshingly connected on the side surface of the gear.

[0011] Optionally, the machine body assembly comprises a base, and the top of the base is fixedly installed with a support body.

[0012] Optionally, the driving assembly comprises a stepping motor, the side surface of the stepping motor is fixedly installed with the side surface of the support body, the output end of the stepping motor is fixedly installed with a rotating shaft, and the one end of the rotating shaft is rotatably connected with a box body.

[0013] Optionally, the fixing assembly comprises a sliding rail and a fixing block, the side surface of the sliding rail is fixedly installed with the inside of the support body, the inside of the sliding rail is slidably connected with the side surface of the rack, and the side surface of the fixing block is fixedly connected with the side surface of the rack.

[0014] Optionally, the side surface of the fixing assembly is provided with a connecting assembly.

[0015] Optionally, the connecting assembly comprises a connecting frame, the side surface of the connecting frame is fixedly connected with the side surface of the fixing block, and the inside of the connecting frame is fixedly installed with a connecting rod.

[0016] Optionally, the top of the connecting assembly is provided with a moving assembly.

[0017] Optionally, the moving assembly comprises a chassis and a driver, the bottom of the chassis is fixedly connected with the top of the connecting frame, the top of the chassis is fixedly installed with a mechanical arm, and the bottom of the driver is fixedly installed with the top of the connecting frame.

[0018] (Three) beneficial effects

[0019] The mechanical arm lifting device has the following beneficial effects:

[0020] The mechanical arm lifting device, through the rotation of the worm, can drive the worm to rotate, and the worm and the worm wheel are meshed and have a self-locking effect, so that the stability of the mechanical arm when clamping heavy objects is better, and the lifting work of the lifting assembly is more stable. The rotation of the worm wheel drives the transmission shaft to rotate, so that the transmission shaft drives the gear to rotate, so that the rack meshingly connected on the side surface of the gear moves along the sliding rail direction. Since the rack is arranged on both sides of the gear, and the rack moves up and down alternately, the mechanical arm can alternately grab the work, thereby improving the lifting and grabbing efficiency of the mechanical arm. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the machine body assembly structure schematic view of the utility model;

[0022] Figure 2 It is the drive assembly structure schematic view of the utility model;

[0023] Figure 3 It is the connecting assembly structure schematic view of the utility model;

[0024] Figure 4 It is the lifting assembly structure schematic view of the utility model;

[0025] Figure 5 It is the Figure 3 The enlarged structure schematic view of A place in the middle.

[0026] In the drawing: 1, machine body assembly; 101, base; 102, support body; 2, drive assembly; 201, stepper motor; 202, rotating shaft; 203, box body; 3, transmission assembly; 301, worm; 302, worm gear; 303, transmission shaft; 4, lifting assembly; 401, gear; 402, rack; 5, fixed assembly; 501, slide rail; 502, fixed block; 6, connecting assembly; 601, connecting frame; 602, connecting rod; 7, moving assembly; 701, chassis; 702, mechanical arm; 703, driver. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0028] Please refer to Figures 1 to 5 The utility model embodiment provides a kind of mechanical arm lifting device, and in the embodiment, the structure of mechanical arm lifting is improved, so it has the advantage of cross lifting work.Specifically, taking mechanical arm lifting as an example, as a preferred scheme in the embodiment, mechanical arm lifting is specifically mechanical arm lifting device, can cross work when mechanical arm is lifted.

[0029] Please refer to Figures 1 to 5 The utility model provides a kind of technical scheme: a kind of mechanical arm lifting device, which is mainly applied to the scene of mechanical arm lifting.

[0030] The side of the body assembly 1 is provided with a driving assembly 2, the side of the driving assembly 2 is provided with a transmission assembly 3, one end of the transmission assembly 3 is provided with a lifting assembly 4, the side of the lifting assembly 4 is provided with a fixing assembly 5, the side of the fixing assembly 5 is provided with a connecting assembly 6, and the top of the connecting assembly 6 is provided with a moving assembly 7.

[0031] In the above embodiment, as a preferred scheme, the body assembly 1 comprises a base 101, a support body 102 is fixedly installed on the top of the base 101, the base 101 is fixedly installed beside the conveying device, and the support body 102 is fixed on the top of the base 101, so that the base 101 cooperates with the support body 102 to perform grabbing work beside the conveying belt.

[0032] In the above embodiment, as a preferred scheme, the driving assembly 2 comprises a stepping motor 201, the side of the stepping motor 201 is fixedly installed with the side of the support body 102, the output end of the stepping motor 201 is fixedly installed with a rotating shaft 202, one end of the rotating shaft 202 is rotatably connected with a box body 203, and the rotating shaft 202 fixedly installed with the output end is driven to rotate by starting the stepping motor 201, so that the rotating shaft 202 drives the worm 301 inside the box body 203 to rotate, thereby providing stable power for lifting.

[0033] In the above embodiment, as a preferred scheme, the transmission assembly 3 comprises a worm 301, one end of the worm 301 is fixedly installed with one end of the rotating shaft 202, the side of the worm 301 is meshingly installed with a worm gear 302, the inside of the worm gear 302 is fixedly installed with a transmission shaft 303, the worm 301 is driven to rotate, which can drive the side of the meshingly connected worm gear 302 to rotate, and the worm gear 302 and the worm 301 are meshingly connected to have a self-locking effect, so that the mechanical arm 702 is better in stability when clamping heavy objects, thereby making the lifting work of the lifting assembly 4 more stable.

[0034] In the above embodiment, as a preferred scheme, the lifting assembly 4 comprises a gear 401, the inside of the gear 401 is fixedly installed with one end of the transmission shaft 303, the side of the gear 401 is meshingly connected with a rack 402, the transmission shaft 303 is driven to rotate by the rotation of the worm gear 302, which can drive the gear 401 to rotate, so that the rack 402 meshingly connected with the side of the gear 401 moves along the direction of the slide rail 501, and the rack 402 is arranged on both sides of the gear 401 and moves up and down alternately, so that the mechanical arm alternately clamps, thereby improving the lifting and clamping efficiency of the mechanical arm.

[0035] In the above embodiments, as a preferred option, the fixing component 5 includes a slide rail 501 and a fixing block 502. The side of the slide rail 501 is fixedly installed inside the support body 102, and the inside of the slide rail 501 is slidably connected to the side of the rack 402. The side of the fixing block 502 is fixedly connected to the side of the rack 402. The rack 402 slides inside the slide rail 501, and the rack 402 drives the fixing block 502 to move inside the support body 102, and the movement process is more stable.

[0036] In the above embodiments, as a preferred solution, the connecting component 6 includes a connecting frame 601. The side of the connecting frame 601 is fixedly connected to the side of the fixing block 502. A connecting rod 602 is fixedly installed inside the connecting frame 601. The connecting frame 601 is moved by the fixing block 502. At this time, the connecting rod 602 plays the role of stabilizing the fixing frame. The connection between the fixing rod and the connecting frame 601 is more stable.

[0037] In the above embodiments, as a preferred option, the moving component 7 includes a chassis 701 and a driver 703. The bottom of the chassis 701 is fixedly connected to the top of the connecting frame 601, and a robotic arm 702 is fixedly mounted on the top of the chassis 701. The bottom of the driver 703 is fixedly mounted to the top of the connecting frame 601. The driver 703 and the robotic arm 702 are connected and controlled via a drive circuit so that the robotic arm 702 can perform grasping work above the base 101, thereby making the base 101 fixed above the connecting frame 601 and move stably.

[0038] All electrical components mentioned in this article are connected to an external main controller and 220V AC mains power, and the main controller can be a conventional known device such as a computer that can control it.

[0039] In this invention, the working steps of the device are as follows:

[0040] 1. The base 101 is fixedly installed next to the conveyor, and the support body 102 is fixed on the top of the base 101, so that the base 101 and the support body 102 can perform gripping work next to the conveyor belt. The driver 703 is connected to the robotic arm 702 through the drive line for control, so that the robotic arm 702 can perform gripping work above the base 101.

[0041] 2. Start the stepper motor 201 to drive the fixed output shaft 202 to rotate, thereby causing the rotating shaft 202 to drive the worm gear 301 inside the housing 203 to rotate, thus providing stable power for lifting. The rotation of the worm gear 301 can drive the worm wheel 302 connected to the side to rotate. Since the meshing of the worm wheel 302 and the worm gear 301 has a self-locking effect, the stability of the robotic arm 702 when holding heavy objects is better, thus making the lifting assembly 4 more stable during lifting operations.

[0042] 3. The rotation of the worm gear 302 drives the transmission shaft 303 to rotate, which in turn drives the gear 401 to rotate. This causes the rack 402, which is meshed with the side of the gear 401, to move along the slide rail 501. Since the racks 402 are respectively located on both sides of the gear 401 and move up and down alternately, the robotic arm can perform staggered grasping operations, thereby improving the lifting and grasping efficiency of the robotic arm. The racks 402 slide inside the slide rail 501 and drive the fixed block 502 to move inside the support body 102, and the movement process is more stable.

[0043] 4. The fixing block 502 drives the connecting frame 601 to move. At this time, the connecting rod 602 plays a role in stabilizing the fixing frame. The connection between the fixing rod and the connecting frame 601 is more stable, so that the base 101 is fixed above the connecting frame 601 and moves stably.

[0044] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A robotic arm lifting device, comprising a body assembly (1), characterized in that: A drive assembly (2) is provided on the side of the body assembly (1), a transmission assembly (3) is provided on the side of the drive assembly (2), a lifting assembly (4) is provided at one end of the transmission assembly (3), and a fixing assembly (5) is provided on the side of the lifting assembly (4). The transmission assembly (3) includes a worm (301), one end of which is fixedly installed with one end of the drive assembly (2), a worm wheel (302) is meshed on the side of the worm (301), and a transmission shaft (303) is fixedly installed inside the worm wheel (302). The lifting assembly (4) includes a gear (401), the inside of which is fixedly installed with one end of the transmission shaft (303), and a rack (402) is meshed with the side of the gear (401).

2. The robotic arm lifting device according to claim 1, characterized in that: The body assembly (1) includes a base (101), and a support (102) is fixedly installed on the top of the base (101).

3. The robotic arm lifting device according to claim 2, characterized in that: The drive assembly (2) includes a stepper motor (201), the side of which is fixedly installed on the side of the support body (102), and a rotating shaft (202) is fixedly installed on the output end of the stepper motor (201). One end of the rotating shaft (202) is rotatably connected to a housing (203).

4. The robotic arm lifting device according to claim 2, characterized in that: The fixing component (5) includes a slide rail (501) and a fixing block (502). The side of the slide rail (501) is fixedly installed inside the support body (102). The inside of the slide rail (501) is slidably connected to the side of the rack (402). The side of the fixing block (502) is fixedly connected to the side of the rack (402).

5. The robotic arm lifting device according to claim 1, characterized in that: The fixing component (5) is provided with a connecting component (6) on its side.

6. The robotic arm lifting device according to claim 5, characterized in that: The connecting component (6) includes a connecting frame (601), the side of the connecting frame (601) is fixedly connected to the side of the fixing block (502), and a connecting rod (602) is fixedly installed inside the connecting frame (601).

7. The robotic arm lifting device according to claim 5, characterized in that: A movable component (7) is provided on the top of the connecting component (6).

8. A robotic arm lifting device according to claim 7, characterized in that: The mobile component (7) includes a chassis (701) and a driver (703). The bottom of the chassis (701) is fixedly connected to the top of the connecting frame (601). A robotic arm (702) is fixedly mounted on the top of the chassis (701). The bottom of the driver (703) is fixedly mounted to the top of the connecting frame (601).

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