CN215037630U

CN215037630U - Movable chassis for industrial robot

Info

Publication number: CN215037630U
Application number: CN202022657388.6U
Authority: CN
Inventors: 吴强
Original assignee: Suzhou Bohua Technology R & D Co ltd
Current assignee: Suzhou Bohua Technology R & D Co ltd
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-12-07
Anticipated expiration: 2030-11-17

Abstract

The utility model discloses a portable chassis for industrial robot relates to industrial robot technical field, and is relatively poor for solving current portable chassis damping performance for industrial robot, and industrial robot is run out fluctuation range from top to bottom when receiving vibrations too big, influences the problem of industrial robot's precision. The utility model discloses a spring adjusting device, including PMKD, driving gear, movable plate, driving gear, buffer board and movable plate, PMKD's upper end is provided with the driving gear, the driving gear is provided with a plurality of, the top of driving gear is provided with the movable plate, PMKD and driving gear fixed connection, the drive gear axle is all installed to the lower extreme at both ends around the movable plate, the drive gear axle passes through the bearing with the movable plate and is connected, the top spring is installed down to the upper end of movable plate, the lower extreme and the movable plate welded connection of top spring down, the buffer board is installed to the upper end of top spring down, buffer board and bottom spring fixed connection, accommodate the lead screw is all installed to the both sides of buffer board and the both sides of movable plate.

Description

Movable chassis for industrial robot

Technical Field

The utility model relates to an industrial robot technical field specifically is a portable chassis is used to industrial robot.

Background

Industrial robots are multi-joint manipulators or multi-degree-of-freedom machine devices widely used in the industrial field, have a certain degree of automation, and can realize various industrial processing and manufacturing functions depending on the power energy and control capability of the industrial robots. Industrial robots are widely used in various industrial fields such as electronics, logistics, and chemical industry, and are generally classified into series robots and parallel robots in terms of mechanical structure. The serial robot is characterized in that the movement of one axis can change the coordinate origin of the other axis, while the movement of one axis of the parallel robot can not change the coordinate origin of the other axis. Early industrial robots employed a tandem mechanism. The parallel mechanism is defined as a closed loop mechanism which is formed by connecting a movable platform and a fixed platform through at least two independent kinematic chains, has two or more degrees of freedom and is driven in a parallel mode.

However, the existing movable chassis for the industrial robot has poor damping performance, and the up-down jumping fluctuation range of the industrial robot is too large when the industrial robot is vibrated, so that the precision of the industrial robot is influenced; therefore, the existing requirements are not met, and a movable chassis for an industrial robot is provided for the same.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable chassis is used to industrial robot to the industrial robot who proposes in solving above-mentioned background art is with portable chassis damping performance relatively poor, and industrial robot beats fluctuation range from top to bottom when receiving vibrations too big, influences the problem of industrial robot's precision.

In order to achieve the above object, the utility model provides a following technical scheme: a movable chassis for an industrial robot comprises a fixed bottom plate, wherein transmission teeth are arranged at the upper end of the fixed bottom plate and provided with a plurality of transmission teeth, a movable plate is arranged above the transmission teeth, the fixed bottom plate is fixedly connected with the transmission teeth, drive gear shafts are arranged at the lower ends of the front end and the rear end of the movable plate and are connected with the movable plate through bearings, a lower ejection spring is arranged at the upper end of the movable plate, the lower end of the lower ejection spring is welded with the movable plate, a buffer plate is arranged at the upper end of the lower ejection spring and is fixedly connected with the lower ejection spring, adjusting screw rods are arranged on the two sides of the buffer plate and the two sides of the movable plate, the adjusting screw rods are connected with the buffer plate through linear bearings and are in threaded connection with the movable plate, and a limiting plate is arranged at the upper end of the adjusting screw rods, the limiting plate is connected with the adjusting screw rod through a screw, an upper pressing spring is arranged at the upper end of the outer portion of the adjusting screw rod, a hand wheel is installed at the lower end of the adjusting screw rod, and the hand wheel is fixedly connected with the adjusting screw rod.

Preferably, the connecting plate is installed to the upper end of buffer board, connecting plate and buffer board welded connection, the mounting panel is installed to the upper end of connecting plate, mounting panel and connecting plate welded connection.

Preferably, the inside of mounting panel is provided with first bleeder vent, the inside of connecting plate is provided with the second bleeder vent.

Preferably, the two sides of the moving plate are respectively provided with a limiting anti-shaking plate, the limiting anti-shaking plates are fixedly connected with the moving plate, and the limiting anti-shaking plates are connected with the adjusting screw rod through linear bearings.

Preferably, protective brackets are mounted on two sides of the upper end of the buffer plate and connected with the buffer plate through screws.

Preferably, motor installation fixed plates are installed on two sides of the rear end face of the movable plate, the motor installation fixed plates are connected with the movable plate through screws, driving motors are installed on the rear end face of the motor installation fixed plates, the driving motors are connected with the motor installation fixed plates through screws, and the motor installation fixed plates are connected with the driving gear shaft through couplers.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model can jack up the buffer board upwards by installing the lower spring, absorb the vibration generated in the movement of the device, play a role in shock absorption, the position of the buffer board can be adjusted by installing the adjusting screw rod, thereby adjusting the lower spring and the upper spring to generate the force for blocking the vibration of the buffer board, increasing the practicability of the device, simultaneously reducing the jumping fluctuation range of the buffer board, avoiding influencing the precision of an industrial robot, increasing the shock resistance of the device, improving the use effect of the device, installing the upper spring to generate the force for blocking the vibration of the buffer board, keeping the buffer board stable, matching the buffer board with the lower spring to reduce the jumping fluctuation range of the buffer board, increasing the practicability of the device, arranging the first air holes and the second air holes to increase the heat dissipation capability of the device, simultaneously reducing the weight of the device, reducing the abrasion of the device, and prolonging the service life of the device, the installation of the limiting anti-shaking plate can prevent the adjusting screw rod from shaking, so that the practicability of the device is improved;

2. the utility model discloses an installation protective bracket can prevent to linear bearing guard action that top compression spring and its direct contact, and installation driving motor can drive the rotation of drive gear axle to make the movable plate can remove in the PMKD upper end, so that it is required to satisfy industrial robot's work.

Drawings

Fig. 1 is a schematic structural view of a movable chassis for an industrial robot according to the present invention;

fig. 2 is a front view of a movable chassis for an industrial robot according to the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 1;

fig. 4 is a rear view of a movable chassis for an industrial robot according to the present invention;

fig. 5 is a connection relationship diagram of the mounting plate and the connecting plate of the present invention.

In the figure: 1. fixing the bottom plate; 2. a transmission gear; 3. moving the plate; 4. a drive gear shaft; 5. adjusting the screw rod; 6. a limiting plate; 7. pressing the spring upwards; 8. a protective bracket; 9. a limiting anti-shaking plate; 10. a hand wheel; 11. mounting a plate; 12. a connecting plate; 13. a first air vent; 14. a second air hole; 15. a buffer plate; 16. a lower top spring; 17. a motor is provided with a fixing plate; 18. the motor is driven.

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.

Referring to fig. 1-5, the present invention provides an embodiment: a movable chassis for an industrial robot comprises a fixed bottom plate 1, transmission teeth 2 are arranged at the upper end of the fixed bottom plate 1, a plurality of transmission teeth 2 are arranged, a movable plate 3 is arranged above the transmission teeth 2, the fixed bottom plate 1 is fixedly connected with the transmission teeth 2, drive gear shafts 4 are arranged at the lower ends of the front end and the rear end of the movable plate 3 respectively, the drive gear shafts 4 are connected with the movable plate 3 through bearings, a lower jacking spring 16 is arranged at the upper end of the movable plate 3, the buffer plate 15 can be jacked upwards by the aid of the lower jacking spring 16, vibration generated during movement of an absorption device is absorbed to achieve a damping effect, the lower end of the lower jacking spring 16 is welded with the movable plate 3, the buffer plate 15 is arranged at the upper end of the lower jacking spring 16, the buffer plate 15 is fixedly connected with the lower jacking spring 16, adjusting screw rods 5 are arranged on the two sides of the buffer plate 15 and the two sides of the movable plate 3 respectively, and the adjusting screw rods 5 are used for adjusting the position of the buffer plate 15, thereby adjusting the utility of the force increasing means for generating the resistance to the vibration of the cushion plate 15 by the lower roof spring 16 and the upper pressing spring 7, meanwhile, the jumping fluctuation range of the buffer plate 15 is reduced, the influence on the precision of an industrial robot is avoided, the shock resistance of the device is increased, the using effect of the device is improved, the adjusting screw rod 5 is connected with the buffer plate 15 through a linear bearing, the adjusting screw rod 5 is in threaded connection with the movable plate 3, the limiting plate 6 is installed at the upper end of the adjusting screw rod 5, the limiting plate 6 is in screw connection with the adjusting screw rod 5, the upper end outside the adjusting screw rod 5 is provided with an upper pressure spring 7, the upper pressure spring 7 is installed to generate a force for blocking the vibration of the buffer plate 15, the buffering plate is kept stable, the jumping fluctuation range of the buffer plate 15 can be reduced by matching the upper pressure spring 7 with a lower top spring 16, the practicability of the device is increased, a hand wheel 10 is installed at the lower end of the adjusting screw rod 5, and the hand wheel 10 is fixedly connected with the adjusting screw rod 5.

Further, connecting plate 12 is installed to the upper end of buffer board 15, connecting plate 12 and buffer board 15 welded connection, and mounting panel 11 is installed to the upper end of connecting plate 12, and mounting panel 11 and connecting plate 12 welded connection, installation mounting panel 11 can make industrial robot install in its upper end, guarantee the functional complete of device.

Further, the inside of mounting panel 11 is provided with first bleeder vent 13, and the inside of connecting plate 12 is provided with second bleeder vent 14, sets up first bleeder vent 13 and second bleeder vent 14 and can increase the heat-sinking capability of device, reduces the weight of device simultaneously, reduces the wearing and tearing of device, increases the life of device.

Further, spacing anti-sway board 9 is all installed to the both sides of movable plate 3, and spacing anti-sway board 9 and movable plate 3 fixed connection, spacing anti-sway board 9 pass through linear bearing with accommodate the lead screw 5 and are connected, and spacing anti-sway board 9 of installation can prevent accommodate the lead screw 5 from taking place to rock, increases the practicality of device.

Further, protective bracket 8 is all installed to the both sides of buffer board 15 upper end, and protective bracket 8 passes through the screw connection with buffer board 15, and installation protective bracket 8 can be to linear bearing guard action, prevents to go up pressure spring 7 rather than direct contact.

Further, motor installation fixed plates 17 are installed on two sides of the rear end face of the moving plate 3, the motor installation fixed plates 17 are connected with the moving plate 3 through screws, driving motors 18 are installed on the rear end face of the motor installation fixed plates 17, the driving motors 18 are connected with the motor installation fixed plates 17 through screws, the motor installation fixed plates 17 are connected with the driving gear shafts 4 through couplers, the driving gear shafts 4 can be driven to rotate by the installation driving motors 18, and therefore the moving plate 3 can move on the upper end of the fixed base plate 1, and the requirement for work of an industrial robot is met.

The working principle is as follows: when the device is used, an operator installs the industrial robot at the upper end of the mounting plate 11 through a screw, the driving motor 18 is electrified to drive the driving gear shaft 4 to rotate, so that the moving plate 3 and the industrial robot can move at the upper end of the fixed bottom plate 1, vibration generated during the movement of the device can be absorbed by the lower jacking spring 16 and the upper pressing spring 7, the operator can adjust the screw rod 5 through the hand wheel 10 to compress the lower jacking spring 16 and the upper pressing spring 7 to increase the rebound force of the lower jacking spring and reduce the jumping fluctuation range generated by the vibration of the industrial robot, the device is provided with the lower jacking spring 16 to jack the buffer plate 15 upwards, the vibration generated during the movement of the device is absorbed to play a role in shock absorption, the position of the buffer plate 15 can be adjusted through the installation of the adjusting screw rod 5, so as to adjust the lower jacking spring 16 and the upper pressing spring 7 to generate force for blocking the vibration of the buffer plate 15, and improve the practicability of the device, meanwhile, the jumping fluctuation range of the buffer plate 15 is reduced, the precision of an industrial robot is prevented from being influenced, the shock resistance of the device is increased, the use effect of the device is improved, the upper compression spring 7 can generate a force for blocking the vibration of the buffer plate 15 to keep stable, the jumping fluctuation range of the buffer plate 15 can be reduced by matching the buffer plate with the lower top spring 16, the practicability of the device is increased, the heat dissipation capability of the device can be increased by arranging the first air hole 13 and the second air hole 14, the weight of the device is reduced, the abrasion of the device is reduced, the service life of the device is prolonged, the installation limiting anti-shaking plate 9 can prevent the adjusting screw rod 5 from shaking, the practicability of the device is increased, the installation protective bracket 8 can protect the alignment shaft and prevent the upper compression spring 7 from directly contacting with the alignment shaft, the installation driving motor 18 can drive the driving gear shaft 4 to rotate, so that the movable plate 3 can move on the fixed bottom plate 1, so as to meet the work requirements of the industrial robot.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a movable chassis for industrial robot, includes PMKD (1), its characterized in that: the upper end of the fixed base plate (1) is provided with transmission teeth (2), the transmission teeth (2) are provided with a plurality of transmission teeth, a movable plate (3) is arranged above the transmission teeth (2), the fixed base plate (1) is fixedly connected with the transmission teeth (2), the lower ends of the front end and the rear end of the movable plate (3) are respectively provided with a drive gear shaft (4), the drive gear shafts (4) are connected with the movable plate (3) through bearings, the upper end of the movable plate (3) is provided with a lower top spring (16), the lower end of the lower top spring (16) is welded with the movable plate (3), the upper end of the lower top spring (16) is provided with a buffer plate (15), the buffer plate (15) is fixedly connected with the lower top spring (16), the two sides of the movable plate (15) and the two sides of the movable plate (3) are respectively provided with an adjusting screw rod (5), and the adjusting screw rod (5) is connected with the buffer plate (15) through a linear bearing, adjusting screw rod (5) and movable plate (3) pass through threaded connection, limiting plate (6) are installed to the upper end of adjusting screw rod (5), limiting plate (6) pass through the screw connection with adjusting screw rod (5), the outside upper end of adjusting screw rod (5) is provided with top spring (7), hand wheel (10) are installed to the lower extreme of adjusting screw rod (5), hand wheel (10) and adjusting screw rod (5) fixed connection.

2. The movable chassis for an industrial robot according to claim 1, characterized in that: connecting plate (12) are installed to the upper end of buffer board (15), connecting plate (12) and buffer board (15) welded connection, mounting panel (11) are installed to the upper end of connecting plate (12), mounting panel (11) and connecting plate (12) welded connection.

3. The movable chassis for an industrial robot according to claim 2, wherein: the inside of mounting panel (11) is provided with first bleeder vent (13), the inside of connecting plate (12) is provided with second bleeder vent (14).

4. The movable chassis for an industrial robot according to claim 1, characterized in that: and the two sides of the moving plate (3) are respectively provided with a limiting anti-shaking plate (9), the limiting anti-shaking plates (9) are fixedly connected with the moving plate (3), and the limiting anti-shaking plates (9) are connected with the adjusting screw rods (5) through linear bearings.

5. The movable chassis for an industrial robot according to claim 1, characterized in that: protective brackets (8) are installed on two sides of the upper end of the buffer plate (15), and the protective brackets (8) are connected with the buffer plate (15) through screws.

6. The movable chassis for an industrial robot according to claim 1, characterized in that: motor installation fixed plate (17) are all installed to the both sides of moving plate (3) rear end face, motor installation fixed plate (17) pass through the screw connection with moving plate (3), driving motor (18) are installed to the rear end face of motor installation fixed plate (17), driving motor (18) pass through the screw connection with motor installation fixed plate (17), motor installation fixed plate (17) pass through the coupling joint with drive gear axle (4).