CN211682104U

CN211682104U - Mechanical arm for machine-building

Info

Publication number: CN211682104U
Application number: CN202020073603.5U
Authority: CN
Inventors: 惠强
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-14
Filing date: 2020-01-14
Publication date: 2020-10-16
Anticipated expiration: 2030-01-14

Abstract

The utility model discloses an mechanical arm for mechanical manufacturing in the technical field of mechanical arms, which comprises a base, the base is sleeved on the horizontal sliding rod and is rotationally connected with a first rotating shaft which is rotationally connected with the moving block, the moving block is rotationally connected with a second rotating shaft which is rotationally connected with a fixed block, the surface of the top end of the moving block is fixedly connected with a vertical telescopic rod, the top end surface of the base is provided with a rotary table, the top end surface of the rotary table is provided with a support, the support is rotationally connected with a first mechanical arm, the first mechanical arm is rotationally connected with the second mechanical arm, the first mechanical arm is connected with the third mechanical arm through a connecting rod, the third mechanical arm is rotationally connected with a connecting block, the connecting block is connected with a clamping device, the device can be flexible the position of adjustment clamping device, can prevent that anchor clamps from exerting oneself too violently, damaging the article.

Description

Mechanical arm for machine-building

Technical Field

The utility model relates to an arm technical field specifically is an arm for machine-building.

Background

In the mechanical manufacturing process, a mechanical arm is used for transferring and picking up related parts and other articles, after the common mechanical arm is installed, the position of a hand grip or a clamping device of the mechanical arm is difficult to adjust and inconvenient to change, the adjustment range is not large, the space utilization rate is not high, the use of the mechanical arm can be greatly limited, and therefore the mechanical arm for mechanical manufacturing is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mechanical arm for machine-building to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a mechanical arm for machine manufacturing comprises a base, wherein the base is sleeved on a horizontal sliding rod, one end of the sliding rod is fixedly connected with a vertical wall surface, the other end of the sliding rod is fixed on a vertical support column, the base is rotatably connected with a first rotating shaft, the first rotating shaft is rotatably connected with a moving block, the moving block is rotatably connected with a second rotating shaft, the second rotating shaft is rotatably connected with a fixed block, the fixed block is fixed on the vertical wall surface, the top end surface of the moving block is fixedly connected with a vertical telescopic rod, the top end of the telescopic rod is fixedly connected with a telescopic end of a telescopic cylinder, the telescopic cylinder is fixed on a horizontal supporting rod, the telescopic shaft of the telescopic cylinder is vertically downward, the supporting rod is fixed on the vertical wall surface, a rotary table is arranged on the top end surface of the base, a support is arranged on the top end surface of the rotary table, the first mechanical arm rotates and connects the second mechanical arm, first mechanical arm passes through the connecting rod and connects the third mechanical arm, the third mechanical arm rotates with the connecting block to be connected, clamping device is connected to the connecting block, the below of first mechanical arm sets up first cylinder, first cylinder one end rotates with the support to be connected, and the other end is connected with the rotation of first mechanical arm, the top of first mechanical arm sets up the second cylinder, the one end of second cylinder rotates with the top of second mechanical arm to be connected, and the other end rotates with first mechanical arm to be connected.

Further, the clamping device comprises a box body, a motor is arranged at the top end of an inner cavity of the box body, a power shaft of the motor is connected with a speed reducer, a power shaft of the speed reducer is fixedly connected with a first bevel gear, the first bevel gear is meshed with two second bevel gears which are symmetrical to each other, the axis of the first bevel gear is connected with a screw rod, a sliding block is sleeved on the screw rod and connected with a clamp, the clamp penetrates through the box body to extend to the outside, and buffering devices are uniformly arranged on the clamp.

Further, buffer includes the contact piece, the contact piece is located between two anchor clamps, two horizontally threaded rods of contact piece fixed connection, the threaded rod all passes anchor clamps and outwards extends, two cup joint same stopper on the threaded rod, the left and right sides of threaded rod and stopper junction all sets up the nut, set up buffer spring between stopper and the anchor clamps.

Further, a rubber pad is arranged on the contact block, and raised grains are arranged on the rubber pad.

Furthermore, a sliding groove matched with the clamp is formed in the front end face of the box body, and the sliding groove is arranged on the left side and the right side.

Further, the screw rod is connected with the box body through a bearing.

Compared with the prior art, the beneficial effects of the utility model are that: make clamping device's adjustment range improve greatly through first arm, second arm, third arm, increased the operating space of arm, through mutually supporting between revolving stage, slide bar and the base for the device can remove about, can rotate again, greatly makes things convenient for the use of arm, and the device is rational in infrastructure, and can prevent that clamping device from exerting oneself too greatly, presss from both sides bad article.

Drawings

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

FIG. 2 is a schematic top view of the clamping device of the present invention;

fig. 3 is an enlarged schematic view of the structure a of the present invention.

In the figure: 1. a base; 2. a slide bar; 3. a pillar; 4. a first rotating shaft; 5. moving the block; 6. a second rotating shaft; 7. a fixed block; 8. a telescopic rod; 9. a telescopic cylinder; 10. a support bar; 11. a turntable; 12. a support; 13. A first robot arm; 14. a second mechanical arm; 15. a third mechanical arm; 16. connecting blocks; 17. a clamping device; 18. a first cylinder; 19. a second cylinder; 171. a box body; 172. a motor; 173. a first bevel gear; 174. a second bevel gear; 175. a screw rod; 176. a slider; 177. a clamp; 178. a buffer device; 1781. A contact block; 1782. a threaded rod; 1783. a limiting block; 1784. a nut; 1785. a buffer spring.

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a mechanical arm for machine manufacturing comprises a base 1, wherein the base 1 is sleeved on a horizontal sliding rod 2, the base 1 can move left and right on the sliding rod 2, one end of the sliding rod 2 is fixedly connected with the surface of a vertical wall, the other end of the sliding rod is fixed on a vertical pillar 3, and the pillar 3 is fixed on the horizontal ground;

as shown in fig. 1, a base 1 is rotatably connected with a first rotating shaft 4, the first rotating shaft 4 is rotatably connected with a moving block 5, the moving block 5 is rotatably connected with a second rotating shaft 6, the second rotating shaft 6 is rotatably connected with a fixed block 7, the fixed block 7 is fixed on a vertical wall surface, the top end surface of the moving block 5 is fixedly connected with a vertical telescopic rod 8, the top end of the telescopic rod 8 is fixedly connected with a telescopic end of a telescopic cylinder 9, the telescopic cylinder 9 is fixed on a horizontal support rod 10, the telescopic shaft of the telescopic cylinder is vertically downward, the support rod 10 is fixed on the vertical wall surface, the telescopic cylinder 9 drives the telescopic rod 8 to move up and down, so that the moving block 5 moves up and down, an included angle between the first rotating shaft 4 and the second rotating shaft 6 is changed, and;

as shown in fig. 1, a rotary table 11 is arranged on the top surface of a base 1, the rotary table 11 can rotate 360 degrees under the action of a motor, a support 12 is arranged on the top surface of the rotary table 11, the support 12 is rotatably connected with a first mechanical arm 13, the first mechanical arm 13 is rotatably connected with a second mechanical arm 14, the first mechanical arm 13 is connected with a third mechanical arm 15 through a connecting rod, the third mechanical arm 15 is rotatably connected with a connecting block 16, the connecting block 16 is connected with a clamping device 17, the spatial position of the clamping device 17 can be changed through rotation of the first mechanical arm 13 and the second mechanical arm 14, and the third mechanical arm 15 can extend through a sleeve, so that the use range of the clamping device 17 is expanded;

as shown in fig. 1, a first cylinder 18 is disposed below the first arm 13, one end of the first cylinder 18 is rotatably connected to the support 12, the other end of the first cylinder 18 is rotatably connected to the first arm 13, a second cylinder 19 is disposed above the first arm 13, one end of the second cylinder 19 is rotatably connected to the top end of the second arm 14, the other end of the second cylinder 19 is rotatably connected to the first arm 13, the first cylinder 18 and the second cylinder 19 respectively provide power for rotation of the first arm 13 and the second arm 14, and the first arm 13 and the second arm 14 are driven to rotate by extension and contraction of the telescopic ends in the cylinders.

As shown in fig. 2, the clamping device 17 includes a box 171, a motor 172 is disposed at the top end of an inner cavity of the box 171, a power shaft of the motor 172 is connected to a speed reducer, a power shaft of the speed reducer is fixedly connected to a first bevel gear 173, the first bevel gear 173 engages with two second bevel gears 174 that are symmetrical to each other, the first bevel gear 173 and the second bevel gears 174 are perpendicular to each other, axes of the first bevel gears 173 are connected to a lead screw 175, a slider 176 is sleeved on the lead screw 175, the slider 176 slides left and right on the lead screw 175 through the action of a screw thread, the slider 176 is connected to a clamp 177, the clamp 177 extends to the outside through the box 171, a buffer 178 is uniformly disposed on the clamp 177, the motor 172 drives the first bevel gear 173 to rotate through the speed reducer, the first bevel gear 173 engages with the second bevel gear 174 to rotate, the second, thereby clamping or unclamping the two clamps 177;

as shown in fig. 3, the buffer device 178 includes a contact block 1781, the contact block 1781 is located between two clamps 177, the contact block 1781 is fixedly connected with two horizontal threaded rods 1782, the threaded rods 1782 both penetrate through the clamps 177 to extend outwards, the two threaded rods 1782 are sleeved with a same limit block 1783, nuts 1784 are respectively arranged on the left side and the right side of the connection between the threaded rods 1782 and the limit block 1783, the nuts 1784 are convenient to adjust the position of the limit block 1783, so as to adjust the buffering force of the buffer springs 1785, the buffer springs 1785 are arranged between the limit blocks 1783 and the clamps 177, when the clamp device 17 clamps an object, the object is firstly contacted with the contact block 1781, the threaded rods 1782 horizontally move to drive the limit blocks 1783 to move, so that the buffer springs 1785 are stretched, thereby preventing the clamps from exerting excessive force to damage the;

as shown in fig. 3, the contact block 1781 is provided with a rubber pad, the rubber pad is provided with raised grains, and the rubber pad are provided with raised grains, so that the anti-skid effect is achieved;

as shown in fig. 2, a sliding groove matched with the clamp 177 is formed on the front end surface of the box 171, the sliding groove is arranged left and right, and the sliding groove is provided to facilitate the left and right sliding of the clamp 177 when clamping an article;

as shown in fig. 2, the screw 175 is coupled to the case 171 through a bearing, and the friction between the screw 175 and the case 171 can be reduced by providing the bearing.

Example (b): when the device is used, the telescopic cylinder 9 is started, the telescopic cylinder 9 drives the moving block 5 to move up and down through the telescopic rod 8, when the moving block 5 moves up and down, the included angle between the first rotating shaft 4 and the second rotating shaft 6 is changed, so that the base 1 is driven to slide left and right on the sliding rod 2, the clamping device 17 can move left and right, the rotating table 11 can rotate freely under the action of the motor, the use range of the mechanical arm is expanded, the inclination angle of the first mechanical arm 13 can be changed through the extension and retraction of the first cylinder 18, the inclination angle of the second mechanical arm 14 can be changed through the extension and retraction of the second cylinder 19, the space position of the clamping device 17 is convenient to change, the second mechanical arm 14 is sleeved with the third mechanical arm 15, the first mechanical arm 173 can be extended and retracted between the first mechanical arm 13 and the third mechanical arm 15, the connecting block 16 is rotatably connected with the third mechanical arm 15, the first bevel gear 173 is engaged with the second bevel gear 174 to rotate, so as to drive the screw rod 175 to rotate, the sliding blocks 176 on the screw rod 175 are far away from or close to each other through the thread action, so that the clamp 177 is clamped or loosened, the buffer device 178 is arranged on the clamp 177 and can provide buffer acting force through the buffer spring 1785, the clamp 177 is prevented from being excessively violent, and clamping marks are left on the articles.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

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

Claims

1. The utility model provides a mechanical arm for machine-building, includes base (1), its characterized in that: the base (1) is sleeved on a horizontal sliding rod (2), one end of the sliding rod (2) is fixedly connected with the vertical wall surface, the other end of the sliding rod is fixed on a vertical pillar (3), the base (1) is rotatably connected with a first rotating shaft (4), the first rotating shaft (4) is rotatably connected with a moving block (5), the moving block (5) is rotatably connected with a second rotating shaft (6), the second rotating shaft (6) is rotatably connected with a fixed block (7), the fixed block (7) is fixed on the vertical wall surface, the top end of the moving block (5) is fixedly connected with a vertical telescopic rod (8), the top end of the telescopic rod (8) is fixedly connected with the telescopic end of a telescopic cylinder (9), the telescopic cylinder (9) is fixed on a horizontal supporting rod (10), the telescopic shaft of the telescopic cylinder is vertically downward, the supporting rod (10) is fixed on the vertical wall surface, the top end surface of the base (1) is provided with a rotary table (11), the top end surface of the rotary table (11) is provided with a support (12), the support (12) is rotatably connected with a first mechanical arm (13), the first mechanical arm (13) is rotatably connected with a second mechanical arm (14), the first mechanical arm (13) is connected with a third mechanical arm (15) through a connecting rod, the third mechanical arm (15) is rotatably connected with a connecting block (16), the connecting block (16) is connected with a clamping device (17), a first air cylinder (18) is arranged below the first mechanical arm (13), one end of the first air cylinder (18) is rotatably connected with the support (12), the other end of the first air cylinder is rotatably connected with the first mechanical arm (13), a second air cylinder (19) is arranged above the first mechanical arm (13), one end of the second air cylinder (19) is rotatably connected with the top end of the second mechanical arm (14), the other end is rotationally connected with a first mechanical arm (13).

2. The robot arm for machine building according to claim 1, wherein: the clamping device (17) comprises a box body (171), a motor (172) is arranged at the top end of an inner cavity of the box body (171), a power shaft of the motor (172) is connected with a speed reducer, a power shaft of the speed reducer is fixedly connected with a first bevel gear (173), the first bevel gear (173) is meshed with two second bevel gears (174) which are symmetrical to each other, the shaft center of the first bevel gear (173) is connected with a screw rod (175), a sliding block (176) is sleeved on the screw rod (175), the sliding block (176) is connected with a clamp (177), the clamp (177) penetrates through the box body (171) and extends to the outside, and a buffer device (178) is uniformly arranged on the clamp (177).

3. The robot arm for machine building according to claim 2, wherein: buffer (178) are including contacting piece (1781), contact piece (1781) are located between two anchor clamps (177), contact piece (1781) two horizontal threaded rod of fixed connection (1782), threaded rod (1782) all pass anchor clamps (177) and outwards extend, two cup joint same stopper (1783) on threaded rod (1782), the left and right sides of threaded rod (1782) and stopper (1783) junction all sets up nut (1784), set up buffer spring (1785) between stopper (1783) and anchor clamps (177).

4. A robot arm for machine building according to claim 3, wherein: the contact block (1781) is provided with a rubber pad, and the rubber pad is provided with wavy grains.

5. The robot arm for machine building according to claim 2, wherein: the front end face of the box body (171) is provided with sliding grooves matched with the clamps (177), and the sliding grooves are arranged on the left and right sides.

6. The robot arm for machine building according to claim 2, wherein: the screw rod (175) is connected with the box body (171) through a bearing.