CN217045337U - Spring balance cylinder assembly fixture - Google Patents

Abstract

The utility model discloses a spring balance cylinder assembly fixture, including frame, spring mounting guiding mechanism and motor mounting bracket, the top of frame is provided with spring mounting guiding mechanism, spring mounting guiding mechanism's top is provided with motor mounting bracket, the middle part of spring mounting guiding mechanism one side is connected with damping spring, damping spring's front end is provided with the direction tongue, the mid-mounting of spring mounting guiding mechanism bottom has the solid frame of holding, one side of motor mounting bracket inner wall is provided with the adapter sleeve, one side on adapter sleeve surface is provided with the pull rod. The utility model discloses a setting of spring mounting guiding mechanism, damping spring, direction tongue and solid-supported frame to reached the spring and be difficult to the effect that takes place slope, bending in the compression assembly process, through the setting of balancing cylinder spring holder, cushion, tapered roller bearing and pull rod, thereby reached and carried out the effect of safety Assembly with spring balancing cylinder assembly fixture.

Description

Spring balance cylinder assembly fixture

Technical Field

The utility model relates to a spring balance cylinder technical field specifically is a spring balance cylinder assembly fixture.

Background

The existing device generally needs to be provided with a balancing device for a heavy-load industrial robot, a balancing cylinder is mainly used for balancing the moment generated by gravity on a joint shaft of the robot, the joint driving moment rapid change caused by the gravity is reduced, the robot moves more stably, the balancing cylinder comprises a spring balancing cylinder, a nitrogen balancing cylinder, a gas-liquid damping balancing cylinder and the like, and most industrial robots adopt the spring balancing cylinder.

Spring balance cylinder assembly fixture shortcoming is not enough among the prior art:

1. patent document CN108015807A discloses a parallel compression spring type double-acting balance cylinder applied to an industrial robot, which comprises a handle shaft, a cylinder body, a rocker arm, a backing ring, a piston and at least one compression spring; the first end of the cylinder shaft is fixedly connected with one end of the handle shaft, and the second end of the cylinder shaft penetrates through the cylinder cover at the top end of the cylinder body, enters the cylinder body, is connected with the backing ring and penetrates out of the cylinder cover at the bottom end of the cylinder body; the top end and the bottom end in the cylinder body are respectively provided with a piston, and at least one compression spring is arranged between the two pistons in the cylinder body; the handle shaft is connected with the rocker arm through a connecting mechanism, and the rocker arm is connected with a large arm of the industrial robot. The utility model provides a balance cylinder is through setting up movable cylinder body structure to and set up the double piston in the cylinder body, thereby realized the tensile or compression bidirectional balance operation of balance cylinder. The utility model provides a balance cylinder simple structure is compact, and the cost of manufacture is low, simple and easy to do not restrict robot armed lever motion range, extensive applicability. When the device is used, the assembly of the spring balance cylinder is difficult and has certain assembly danger, and the spring needs to be pressed into the balance cylinder shell and then assembled and fastened with the balance cylinder spring seat. The spring inclines and bends easily in the compression process, the spring is easy to assemble and misplace, and the assembly effect is poor.

2. When the spring balance cylinder assembling tool in the prior art is used, a worker needs to arrange a spring installation guide mechanism in the device, but when the spring is assembled, the existing device is easy to incline and bend, and the spring balance cylinder assembling tool is inconvenient for the worker to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a spring balance cylinder assembly fixture to solve the problem that proposes in the above-mentioned background art.

For realizing the above-mentioned purpose, the utility model provides a following technical scheme, a spring balance cylinder assembly fixture, including frame, spring mounting guiding mechanism and motor mounting bracket, the top of frame is provided with spring mounting guiding mechanism, spring mounting guiding mechanism's top is provided with motor mounting bracket, the middle part of spring mounting guiding mechanism one side is connected with damping spring, damping spring's front end is provided with the direction tongue through the bearing frame, the mid-mounting of spring mounting guiding mechanism bottom has solid frame, one side of motor mounting bracket inner wall is provided with the adapter sleeve, one side on adapter sleeve surface is provided with the pull rod, the crank rod is installed to one side of pull rod inner wall.

Preferably, one side on the surface of the pull rod is connected with a tapered roller bearing, one side of the bottom of the tapered roller bearing is provided with a cushion block, and one side of the surface of the cushion block is provided with a positioning plate.

Preferably, a guide rod is installed on one side of the bottom of the positioning plate, and a fixed seat is installed at the bottom end of the guide rod.

Preferably, a transverse rod is installed on one side of the back face of the fixing seat, and one side of the surface of the transverse rod is installed on one side of the spring installation guide mechanism.

Preferably, a balance cylinder shell is lapped on one side of the inner wall of the fixing frame, and a hanging ring is installed on one side of the surface of the balance cylinder shell.

Preferably, a balance cylinder spring seat is arranged in the middle of the top of the balance cylinder shell, a balance cylinder spring is arranged on one side of the bottom of the balance cylinder spring seat, and one side of the surface of the balance cylinder spring is arranged on the inner wall of the balance cylinder shell.

Preferably, the middle part of the bottom of the balance cylinder shell is connected with a pull shaft nut through a screw thread, and one side of the top of the pull shaft nut is connected to the surface of the pull rod through a screw thread.

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

1. the utility model discloses a spring mounting guiding mechanism, damping spring, direction tongue and the setting of fixing and holding frame to reached the spring and be difficult to the effect that takes place slope, bending in the compression assembly process, and the staff of being convenient for operates.

2. The utility model discloses a setting of balance cylinder spring holder, cushion, tapered roller bearing and dead axle to reached and carried out the effect of safety assembly with spring balance cylinder assembly fixture, be difficult to take place the incident.

3. The utility model discloses motor torque has the correlation with motor current, can adjust motor speed, output torque, makes the assembling process steady at the uniform velocity.

Drawings

FIG. 1 is a perspective view of the present invention;

fig. 2 is a perspective view of the motor mounting bracket structure of the present invention;

FIG. 3 is a perspective view of the spring mounting guide mechanism of the present invention;

fig. 4 is a schematic sectional view of the present invention.

In the figure: 1. a frame; 2. a spring mounting guide mechanism; 3. a motor mounting bracket; 4. a damping spring; 5. a guide tongue; 6. a holding frame; 7. connecting sleeves; 8. a pull rod; 9. a crank lever; 10. a tapered roller bearing; 11. a cushion block; 12. positioning a plate; 13. a guide rod; 14. a fixed seat; 15. a transverse rod; 16. a balance cylinder housing; 17. a hoisting ring; 18. a balance cylinder spring seat; 19. a balance cylinder spring; 20. and pulling the shaft nut.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The first embodiment is as follows:

referring to fig. 1 and 2, and fig. 3 and 4, an embodiment of the present invention provides a spring balance cylinder assembly fixture and a method for using the same, including a frame 1, a spring mounting guide mechanism 2 and a motor mounting bracket 3, the spring mounting guide mechanism 2 is disposed above the frame 1, the motor mounting bracket 3 is disposed above the spring mounting guide mechanism 2, a damping spring 4 is connected to the middle of one side of the spring mounting guide mechanism 2, a guide tongue 5 is disposed at the front end of the damping spring 4 through a bearing seat, a fixing frame 6 is disposed at the middle of the bottom of the spring mounting guide mechanism 2, a connecting sleeve 7 is disposed on one side of the inner wall of the motor mounting bracket 3, a pull rod 8 is disposed on one side of the surface of the connecting sleeve 7, and a crank rod 9 is disposed on one side of the inner wall of the pull rod 8;

during the use, the staff need install the spring with the device is stabilized, and crank rod 9 passes the mounting hole sliding connection of pull rod 8, and manual drive crank rod 9 drives pull rod 8 and rotates, and balance cylinder spring holder 18, cushion 11, balance cylinder spring 19 are static relatively, and then compress balance cylinder spring 19 to balance cylinder casing 16 inside, and tapered roller bearing 10 can bear great axial force, makes the assembly process lighter. The spring mounting and guiding mechanism 2 is arranged and comprises a fixing frame 6, a guiding tongue 5 and a damping spring 4, the spring mounting and guiding mechanism is symmetrically arranged and locked by screws, when the spring tends to incline and bend in the press mounting process, the counter force of the damping spring 4 can drive the guiding tongue 5 to reset the balance cylinder spring 19, the spring is not easy to incline and bend in the compression assembly process, the damping springs with different lengths can be arranged in the spring, and balance bar springs with different diameters can be assembled, so that the effects that the spring is not easy to incline and bend in the compression assembly process are achieved, and the spring mounting and guiding mechanism is convenient for operators to operate.

Example two:

referring to fig. 1 and 2, and fig. 3 and 4, an embodiment of the present invention provides a spring balance cylinder assembly fixture and a method for using the same, including a tapered roller bearing 10, a positioning plate 12 and a cushion block 11, wherein one side of the surface of a pull rod 8 is connected with the tapered roller bearing 10, one side of the bottom of the tapered roller bearing 10 is provided with the cushion block 11, one side of the surface of the cushion block 11 is provided with the positioning plate 12, one side of the bottom of the positioning plate 12 is provided with a guide rod 13, the bottom end of the guide rod 13 is provided with a fixing seat 14, one side of the back of the fixing seat 14 is provided with a transverse rod 15, one side of the surface of the transverse rod 15 is installed on one side of a spring installation guide mechanism 2, and one side of the inner wall of a fixing frame 6 is lapped with a balance cylinder housing 16;

when assembling the balance cylinder spring 19, firstly fixing the balance cylinder shell 16 on the frame 1, then hoisting and placing the balance cylinder spring 19 into the balance cylinder shell 16, arranging a spring guide groove on a balance bar spring seat, having the installation, positioning and guiding functions, sequentially placing the balance cylinder spring seat 19, a cushion block 11, a tapered roller bearing 10 and a pull rod 8, contacting an inner ring of the tapered roller bearing 10 with the pull rod 8, contacting an outer ring of the tapered roller bearing 10 with the cushion block 11, installing a pull shaft nut 20 at the bottom of the balance cylinder shell 16, fixedly connecting the pull shaft nut 20 to the bottom of the balance cylinder shell 16 through a screw, screwing the pull rod 8 into the pull shaft nut 8 for pre-tightening, penetrating a central hole of a positioning plate 12 through the pull rod 8, simultaneously fixing two ends of the positioning plate on a guide shaft in a sliding manner, using a nut at the end of the guide shaft, fastening and connecting the balance cylinder spring seat 18 and the balance bar shell 16 together through a screw after the balance bar spring 19 is pressed in place, the stabilizer spring 19 can be firmly fixed in the stabilizer housing 16. Then the crank rod 9 is taken down, the pull rod 8 is withdrawn (screwed out), and the positioning plate 12, the cushion block 11 and the tapered roller bearing 10 are taken out in sequence, so that the next assembly work of the spring balance cylinder can be carried out, and balance lever springs with different diameters can be assembled continuously according to the steps. After the whole assembly work of the spring balance cylinder is completed, the spring balance cylinder can be quickly taken down by loosening the fixing screws on the balance bar shell 16 and the assembly tool rack 1, so that the effect of safely assembling the assembly tool of the spring balance cylinder is achieved, and safety accidents are not easy to happen.

Example three:

referring to fig. 1 and 2, and fig. 3 and 4, an embodiment of the present invention provides a spring balance cylinder assembly fixture and a method for using the same, including a balance cylinder housing 16, a balance cylinder spring 19 and a pull rod 8, wherein a lifting ring 17 is installed on one side of the surface of the balance cylinder housing 16, a balance cylinder spring seat 18 is installed in the middle of the top of the balance cylinder housing 16, a balance cylinder spring 19 is installed on one side of the bottom of the balance cylinder spring seat 18, one side of the surface of the balance cylinder spring 19 is installed on the inner wall of the balance cylinder housing 16, a pull shaft nut 20 is connected to the middle of the bottom of the balance cylinder housing 16 through a screw thread, and one side of the top of the pull shaft nut 20 is connected to the surface of the pull rod 8 through a screw thread;

can install on frame 1 through motor mounting bracket 3 selectivity, motor mounting bracket 3 can fix a high torque motor of installation, is connected with pull rod 8 through the shaft coupling, drives pull rod 8 and rotates, and then compresses the balance cylinder spring 19 to the inside of balance cylinder casing 16. The motor torque and the motor current have correlation, and the motor rotating speed and the output torque can be adjusted by monitoring the current change, so that the assembly process is stable at a constant speed.

The utility model discloses in, the device's working procedure as follows:

during the use, the staff need install the spring with the device is stabilized, and crank rod 9 passes the mounting hole sliding connection of pull rod 8, and manual drive crank rod 9 drives pull rod 8 and rotates, and balance cylinder spring holder 18, cushion 11, balance cylinder spring 19 are static relatively, and then compress balance cylinder spring 19 to balance cylinder casing 16 inside, and tapered roller bearing 10 can bear great axial force, makes the assembly process lighter. The spring mounting and guiding mechanism 2 is arranged and comprises a fixing frame 6, a guiding tongue 5 and a damping spring 4, the spring mounting and guiding mechanism is symmetrically arranged and locked by screws, when the spring has a tendency of inclined bending in the press mounting process, the counter force of the damping spring 4 can drive the guiding tongue 5 to reset the balance cylinder spring 19, the spring is not easy to incline and bend in the compression assembly process, the damping springs with different lengths can be arranged in the spring, and balance bar springs with different diameters can be assembled, so that the effects that the spring is not easy to incline and bend in the compression assembly process can be achieved, and the spring can be conveniently operated by a worker; when assembling the balance cylinder spring 19, firstly fixing the balance cylinder shell 16 on the frame 1, then hoisting and placing the balance cylinder spring 19 into the balance cylinder shell 16, arranging a spring guide groove on a balance bar spring seat, having the installation, positioning and guiding functions, sequentially placing the balance cylinder spring seat 19, a cushion block 11, a tapered roller bearing 10 and a pull rod 8, contacting an inner ring of the tapered roller bearing 10 with the pull rod 8, contacting an outer ring of the tapered roller bearing 10 with the cushion block 11, installing a pull shaft nut 20 at the bottom of the balance cylinder shell 16, fixedly connecting the pull shaft nut 20 at the bottom of the balance cylinder shell 16 through a screw, screwing the pull rod 8 into the pull shaft nut 20 for pre-tightening, penetrating a central hole of a positioning plate 12 through the pull rod 8, simultaneously fixing two ends of the positioning plate on a guide shaft in a sliding manner, using a nut at the end of the guide shaft, fastening and connecting the balance cylinder spring seat 18 and the balance bar shell 16 together through a screw after the balance bar spring 19 is pressed in place, the stabilizer spring 19 can be firmly fixed in the stabilizer housing 16. Then the crank rod 9 is taken down, the pull rod 8 is withdrawn (screwed out), and the positioning plate 12, the cushion block 11 and the tapered roller bearing 10 are taken out in sequence, so that the next assembly work of the spring balance cylinder can be carried out, and balance lever springs with different diameters can be assembled continuously according to the steps. After the whole assembly work of the spring balance cylinder is completed, the balance bar shell 16 and the fixing screw on the assembly tool rack 1 can be loosened, and the spring balance cylinder can be quickly taken down, so that the effect of safely assembling the assembly tool of the spring balance cylinder is achieved, and safety accidents are not easy to happen; can selectively install in frame 1 through motor mounting bracket 3, motor mounting bracket 3 can fix a high torque motor of installation, is connected with pull rod 8 through the shaft coupling, drives pull rod 8 and rotates, and then compresses balance cylinder spring 19 to 16 insides of balance cylinder casing, and motor torque has the correlation with motor current, can adjust motor speed, output torque, makes the assembling process steady at the uniform velocity.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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 (7)

1. The utility model provides a spring balance cylinder assembly fixture, includes frame (1), spring mounting guiding mechanism (2) and motor mounting frame (3), its characterized in that: a spring installation guide mechanism (2) is arranged above the rack (1), and a motor installation frame (3) is arranged above the spring installation guide mechanism (2);

the middle part of one side of the spring installation guide mechanism (2) is connected with a damping spring (4), the front end of the damping spring (4) is provided with a guide tongue (5) through a bearing seat, and the middle part of the bottom of the spring installation guide mechanism (2) is provided with a fixing frame (6);

one side of motor mounting bracket (3) inner wall is provided with adapter sleeve (7), one side on adapter sleeve (7) surface is provided with pull rod (8), crank rod (9) are installed to one side of pull rod (8) inner wall.

2. The assembly tooling of the spring balance cylinder according to claim 1, characterized in that: one side on pull rod (8) surface is connected with tapered roller bearing (10), one side of tapered roller bearing (10) bottom is provided with cushion (11), locating plate (12) are installed to one side on cushion (11) surface.

3. The spring balance cylinder assembling tool according to claim 2, characterized in that: guide bar (13) are installed to one side of locating plate (12) bottom, fixing base (14) are installed to the bottom of guide bar (13).

4. The spring balance cylinder assembling tool according to claim 3, characterized in that: a transverse rod (15) is installed on one side of the back face of the fixed seat (14), and one side of the surface of the transverse rod (15) is installed on one side of the spring installation guide mechanism (2).

5. The assembly tooling of the spring balance cylinder according to claim 1, characterized in that: a balance cylinder shell (16) is lapped on one side of the inner wall of the fixing frame (6), and a hanging ring (17) is installed on one side of the surface of the balance cylinder shell (16).

6. The spring balance cylinder assembling tool according to claim 5, characterized in that: a balance cylinder spring seat (18) is arranged in the middle of the top of the balance cylinder shell (16), a balance cylinder spring (19) is arranged on one side of the bottom of the balance cylinder spring seat (18), and one side of the surface of the balance cylinder spring (19) is arranged on the inner wall of the balance cylinder shell (16).

7. The spring balance cylinder assembling tool according to claim 5, characterized in that: the middle part of the bottom of the balance cylinder shell (16) is connected with a pull shaft nut (20) through a screw thread, and one side of the top of the pull shaft nut (20) is connected to the surface of the pull rod (8) through a screw thread.

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