CN218256275U

CN218256275U - O arm assembly and shuttle formula rotational moulding machine

Info

Publication number: CN218256275U
Application number: CN202222284796.0U
Authority: CN
Inventors: 朱国才; 颜安鹏; 谭飞翔; 金建辉; 陈银君; 周清华
Original assignee: WENLING RISINGSUN ROTOMOLDING TECHNOLOGY CO LTD
Current assignee: WENLING RISINGSUN ROTOMOLDING TECHNOLOGY CO LTD
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2023-01-10
Anticipated expiration: 2032-08-29

Abstract

The utility model provides a O arm assembly and shuttle rotational moulding machine belongs to rotational moulding machine technical field. It has solved the problem that current O arm equipment can not effectively reduce drive shaft stress. The utility model relates to a O arm assembly includes coaster, encloses arm, actuating mechanism, drive plate, driving shaft, the spacing seat of second and stress ring. The utility model discloses in, separate through the stress ring between the inside wall of second bearing and annular, avoid the less first R angle of radius and second R angle direct contact, promptly, the stress ring has increased the area of contact with second R angle to laminate with second R angle, thereby effectively reduce the stress between the lateral wall of annular and the second bearing, and then reduce the stress on the driving shaft, avoid the cracked condition of driving shaft emergence.

Description

O arm assembly and shuttle formula rotational moulding machine

Technical Field

The utility model belongs to the technical field of the rotational moulding machine, a O arm assembly and shuttle rotational moulding machine is related to.

Background

O arm equipment that is used for supporting material in rotational moulding machine is the core structure who constitutes heat treatment equipment, wherein, it can realize that the material is in the rotation state all the time in heating process, so that the material can be by even heating, but current O arm equipment is at the pivoted in-process, it receives stress influence to be used for driving O arm equipment rotation drive shaft, lead to the drive shaft to take place cracked condition, especially when O arm equipment is bearing the material of great weight, the stress that the drive shaft received will be bigger, the cracked condition of drive shaft will be more obvious, so, will cause the incident.

Disclosure of Invention

The utility model aims at having above-mentioned problem to current technique, provided one kind can effectively reduce drive shaft stress and can be applicable to O arm assembly and shuttle rotational moulding machine of heavy weight material.

The purpose of the utility model can be realized by the following technical proposal: an O-arm assembly, comprising:

a pulley;

the surrounding arm is rotatably arranged between the two ends of the pulley;

the driving mechanism is arranged at one end of the pulley, the driving mechanism drives the surrounding arm to rotate, the driving mechanism comprises a driving plate arranged on the pulley, the driving plate is provided with a driving shaft connected with one side of the surrounding arm in a rotating mode, a second limiting seat is arranged on the driving plate, the driving shaft penetrates through the second limiting seat in a moving mode, a stress ring used for reducing stress between the driving shaft and the second limiting seat is sleeved on the driving shaft, and one side edge of the stress ring supports the side face of the second limiting seat.

In the O-arm assembly, a second bearing is arranged between the second limiting seat and the driving shaft, and first R angles are arranged at the edges of one side face, in contact with the driving shaft, of the second bearing.

In foretell O arm assembly, be equipped with the annular that is used for installing second bearing and stress ring on the driving shaft, the border department that the annular is close to stress ring one end is equipped with the second R angle, the border department of angular contact with second R on the stress ring is equipped with the third R angle, the radius at second R angle is the same with the radius at third R angle.

In the O-arm assembly, a first limiting seat is arranged on the driving plate, the driving shaft movably penetrates through the first limiting seat, a first bearing is arranged between the first limiting seat and the driving shaft, and a pinion is arranged on the driving shaft.

In the above O-arm assembly, the driving plate is provided with a motor having a main shaft, the main shaft is provided with a main gear engaged with the pinion, the driving plate is provided with a supporting plate for supporting the main shaft, and the main shaft movably penetrates through the supporting plate.

In foretell O arm assembly, the coaster includes a pair of balladeur train, and the bottom of two balladeur trains passes through the chassis and connects, actuating mechanism locates on one of them balladeur train, enclose and be equipped with the driven shaft on the arm, the driving shaft sets up with the driven shaft is coaxial, and another be equipped with the driven seat on the balladeur train, the driven shaft activity passes from the driven seat.

In the above O-arm assembly, each of the carriages has at least one first reinforcing bar on a side surface thereof, and the undercarriage has a second reinforcing bar on a side surface thereof.

In the above O-arm assembly, the enclosing arm includes a pair of enclosing rods, one of the enclosing rods is connected to the driving shaft, the other enclosing rod is connected to the driven shaft, and the two enclosing rods are connected through two connecting rods.

In the above O-arm assembly, a first central rod is disposed in the middle of one of the connecting rods, a second central rod is disposed in the middle of the other connecting rod, and the first central rod and the second central rod are coaxially disposed.

A shuttle rotomolding machine comprising: according to the pulley for the O-arm assembly, the oven is arranged on one side of the pulley, the straight arm mechanism is arranged on the other side, away from the pulley, of the oven in a sliding mode, the sliding rail is laid between the bottom of the straight arm mechanism and the bottom of the O-arm mechanism, and the sliding rail penetrates through the oven.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses in, separate through the stress ring between the inside wall of second bearing and annular, avoid the less first R angle of radius and second R angle direct contact, promptly, the stress ring has increased the area of contact with second R angle to laminate with second R angle, thereby effectively reduce the stress between the lateral wall of annular and the second bearing, and then reduce the stress on the driving shaft, avoid the cracked condition of driving shaft emergence.

2. Be equipped with the backup pad that is used for supporting the main shaft on the drive plate, the main shaft activity passes the backup pad, through the effect of this supporting seat for the main shaft can not take place to rock at the course of the work, even make the main shaft can stable rotation, and then guarantee this main shaft in the course of the work, the main shaft can not contact with the shell of motor all the time, ensures that the shell of motor can not take place to damage.

3. All be equipped with at least one first anchor strut on the side of balladeur train, in the equipment process, people can all weld at least one first anchor strut with every oblique side of balladeur train as required to strengthen the holistic fastness of balladeur train, make the stable trample of people on the balladeur train.

4. In the assembling process, people can all weld the second strengthening rod on two sides of chassis according to actual demand to strengthen the fastness between two balladeur trains, and then ensure the stability of this coaster.

5. In the O-arm assembly of the utility model, the stress of the driving shaft is reduced, the main shaft rotates stably and the integral firmness of the tackle is enhanced, so that the O-arm assembly can be suitable for materials with heavy weight, and the condition that the driving shaft is broken is reduced; secondly, through the detection of first well core rod and second well core rod, people alright carry out the teaching to enclosing the arm to make and enclose the arm and can assemble in place.

Drawings

FIG. 1 is a schematic view of the structure of an O-arm assembly.

Fig. 2 is a schematic structural view of the enclosing arm.

Fig. 3 is a schematic view of the structure of the drive mechanism.

Fig. 4 is a schematic view of the driving mechanism in fig. 3 from another perspective.

Fig. 5 isbase:Sub>A cross-sectional view atbase:Sub>A-base:Sub>A of fig. 4.

Fig. 6 is a cross-sectional view of fig. 5 at a.

Fig. 7 is a schematic diagram of a stress ring.

Fig. 8 is a schematic view of the structure of the pulley.

Fig. 9 is a schematic view of the structure of the shuttle type rotational molding machine.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

Example one

As shown in fig. 1-8, the O-arm assembly of the present invention includes a pulley 100, a surrounding arm 200, a driving mechanism 300, a driving plate 310, a driving shaft 320, a second limiting seat 330 and a stress ring 340.

The enclosing arm 200 is rotatably arranged between two ends of the pulley 100, the driving mechanism 300 is arranged at one end of the pulley 100, the driving mechanism 300 drives the enclosing arm 200 to rotate, and when the pulley 100 is moved into a heating device suitable for O-arm assembly, the enclosing arm 200 rolls in the heating device, so that the objects in the O-arm assembly can be uniformly heated, and the heating efficiency of the objects is improved; the driving mechanism 300 comprises a driving plate 310 arranged on the pulley 100, the driving plate 310 is rotatably provided with a driving shaft 320 connected with one side of the surrounding arm 200, a second limiting seat 330 is arranged on the driving plate 310, the driving shaft 320 movably penetrates through the second limiting seat 330, a stress ring 340 used for reducing stress between the driving shaft 320 and the second limiting seat 330 is sleeved on the driving shaft 320, one side edge of the stress ring 340 abuts against the side surface of the second limiting seat 330, and through the arrangement of the stress ring 340, the stress between the second limiting seat 330 and the driving shaft 320 is effectively reduced, so that the situation that the driving shaft 320 is broken is reduced.

As shown in fig. 3 to 7, a second bearing 331 is disposed between the second position-limiting seat 330 and the axle shaft 320, a first R-angle a is disposed at each edge of a side surface of the second bearing 331 contacting the axle shaft 320, a circular groove 321 for mounting the second bearing 331 and the stress ring 340 is disposed on the axle shaft 320, a second R-angle b is disposed at each edge of the circular groove 321 near one end of the stress ring 340, a third R-angle c is disposed at each edge of the stress ring 340 contacting the second R-angle b, a radius of the second R-angle b is the same as a radius of the third R-angle c, when mounting, the second bearing 331 needs to be mounted between the second position-limiting seat 330 and the axle shaft 320, and the second bearing 331 is sleeved on the circular groove 321 of the axle shaft 320, so that the axle shaft 320 can rotate relative to the second position-limiting seat 330, then, one needs to sleeve the stress ring 340 on the ring groove 321, and make one side of the stress ring 340 close to the second bearing 331 abut against one side of the second bearing 331 having the first R angle a, one side of the stress ring 340 having the third R angle c abut against the inner side wall of the ring groove 321, and the second R angle b is attached to the third R angle c, so that the second bearing 331 and the inner side wall of the ring groove 321 are separated by the stress ring 340, and the first R angle a with a smaller radius is prevented from directly contacting the second R angle b, that is, the stress ring 340 increases the contact area with the second R angle b and is attached to the second R angle b, thereby effectively reducing the stress between the side wall of the ring groove 321 and the second bearing 331, further reducing the stress on the driving shaft 320, and avoiding the situation that the driving shaft 320 is broken.

The driving plate 310 is provided with a first limiting seat 350, the driving shaft 320 movably penetrates through the first limiting seat 350, and a first bearing 351 is arranged between the first limiting seat 350 and the driving shaft 320, so that during installation, people need to movably penetrate the driving shaft 320 through the first limiting seat 350 and install the first bearing 351 between the first limiting seat 350 and the driving shaft 320, and the driving shaft 320 can rotate relative to the first limiting seat 350, and further, through the action of the first limiting seat 350 and the second limiting seat 330, the driving shaft 320 is ensured not to shake in the rotating process.

The driving shaft 320 is provided with a pinion 322, the driving plate 310 is provided with a motor 360 having a main shaft 361, the main shaft 361 is provided with a main gear 362 engaged with the pinion 322, when the motor 360 rotates, the motor 360 drives the main shaft 361 and the main gear 362 to rotate synchronously, and the pinion 322 is engaged with the main gear 362, so that the pinion 322 and the driving shaft 320 also rotate along with the main gear 362, and thus, the arm 200 rotates.

The driving plate 310 is provided with a supporting plate 311 for supporting the spindle 361, the spindle 361 movably penetrates through the supporting plate 311, and under the action of the supporting plate 311, the spindle 361 cannot shake in the working process, so that the spindle 361 is ensured not to contact with a housing (not marked in the figure) of the motor 360 in the working process, and the housing of the motor 360 is ensured not to be damaged.

As shown in fig. 8, the pulley 100 includes a pair of carriages 110, the bottoms of the two carriages 110 are connected through a chassis 120, the driving mechanism 300 is disposed on one of the carriages 110, the surrounding arm 200 is provided with a driven shaft 210, the driving shaft 320 is disposed coaxially with the driven shaft 210, the other carriage 110 is provided with a driven seat 111, the driven shaft 210 movably passes through the driven seat 111, so that when the driving shaft 320 drives the surrounding arm 200 to rotate, the driven shaft 210 rotates relative to the driven seat 111, and further, the driving shaft 320 is disposed coaxially with the driven shaft 210, so that the surrounding arm 200 can rotate circumferentially around the driving shaft 320 or the driven shaft 210.

All be equipped with at least one first reinforcement pole 112 on the side of carriage 110, in the assembly process, people can all weld at least one first reinforcement pole 112 with every oblique side of carriage 110 as required to strengthen the holistic fastness of carriage 110, make people stable step on carriage 110.

The second reinforcing rods 121 are disposed on the sides of the bottom frame 120, and during the assembling process, people can weld the second reinforcing rods 121 on both sides of the bottom frame 120 according to actual requirements to strengthen the firmness between the two sliding frames 110, thereby ensuring the stability of the pulley 100.

As shown in fig. 1-2, the arm assembly 200 includes a pair of surrounding rods 220, one of the surrounding rods 220 is connected to the driving shaft 320, the other surrounding rod 220 is connected to the driven shaft 210, the two surrounding rods 220 are connected by two connecting rods 230, and a stepping block 231 is sleeved on an outer surface of each connecting rod 230, wherein the outer surface of the stepping block 231 has a rectangular cross section, so that people can easily walk on the arm assembly 200 without falling off the connecting rod 230 having a circular cross section.

In the assembly process, after the enclosing arm 200 is assembled between the driven shaft 210 and the driving shaft 320, one needs to connect one end of the first central rod 240 with the middle of one of the connecting rods 230 and make the first central rod 240 perpendicular to the connecting rods 230, and then needs to connect one end of the second central rod 250 with the middle of the other connecting rod 230 and make the second central rod 250 perpendicular to the connecting rods 230, and when the first central rod 240 and the second central rod 250 are coaxial, it can be determined that the two connecting rods 230 are parallel and the end portions of the two connecting rods 230 are flush, that is, it can be determined that the enclosing arm 200 is installed in place, when the first central rod 240 and the second central rod 250 are not coaxial, it can be determined that the end portions of the two connecting rods 230 are not flush, that the end portions of the enclosing arm 200 are not installed in place, and one needs to assemble the enclosing arm 200 again.

After enclosing the arm equipment and succeeding in training, alright dismantle first well core rod and second well core rod from the connecting rod that corresponds to make the material can install in the inside of enclosing the arm.

Example two

As shown in fig. 9, the difference between the second embodiment and the first embodiment is that the O-arm assembly in the first embodiment is applied to a shuttle type rotational molding machine.

Specifically, a shuttle rotational moulding machine includes: according to the pulley 100 for O-arm assembly, the oven 400 is arranged on one side of the pulley 100, the straight arm mechanism 500 is arranged on the other side of the oven 400 away from the pulley 100 in a sliding manner, the slide rail 600 is laid between the bottom of the straight arm mechanism 500 and the bottom of the O-arm mechanism, the slide rail 600 penetrates through the oven 400, the pulley 100 is connected with the slide rail 600 in a sliding manner, the moving vehicle 510 for supporting the straight arm mechanism 500 is further arranged on the slide rail 600 in a sliding manner, wherein an opening (not marked in the figure) for the slide rail 600 to penetrate through is formed in the bottom of the oven 400, when people push the straight arm mechanism 500 or the O-arm assembly into the oven 400, a door (not marked in the figure) on the oven 400 needs to be opened, the pulley 100 or the moving vehicle 510 is pushed by external force, so that the straight arm mechanism 500 or the O-arm assembly can smoothly move into the oven 400, and then the oven 400 can perform heat treatment on the materials in the straight arm mechanism 500 or the O-arm assembly.

It should be noted that all the directional indicators (such as up, down, left, right, front, back, 8230; \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

Furthermore, the descriptions in the present application as to "first," "second," "a," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating a number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, the technical solutions of the embodiments of the present invention can be combined with each other, but it is necessary to use a person skilled in the art to realize the basis, and when the technical solutions are combined and contradictory to each other or cannot be realized, the combination of the technical solutions should not exist, and is not within the protection scope of the present invention.

Claims

1. An O-arm assembly, comprising:

a pulley;

the surrounding arm is rotatably arranged between the two ends of the pulley;

2. The O-arm assembly according to claim 1, wherein a second bearing is arranged between the second limiting seat and the driving shaft, and a first R angle is arranged at each edge of one side face, in contact with the driving shaft, of the second bearing.

3. The O-arm assembly according to claim 2, wherein the driving shaft is provided with a ring groove for mounting the second bearing and the stress ring, a second R angle is arranged at the edge of one end of the ring groove close to the stress ring, a third R angle is arranged at the edge of the stress ring contacting with the second R angle, and the radius of the second R angle is the same as that of the third R angle.

4. The O-arm assembly as claimed in claim 1, wherein said driving plate has a first limiting seat, said driving shaft movably passes through said first limiting seat, a first bearing is disposed between said first limiting seat and said driving shaft, and said driving shaft has a pinion gear mounted thereon.

5. An O-arm assembly according to claim 4, wherein said drive plate is provided with a motor having a spindle, said spindle is provided with a primary gear engaging with a secondary gear, said drive plate is provided with a support plate for supporting the spindle, and said spindle is movably passed through the support plate.

6. The O-arm assembly of claim 1, wherein the pulley comprises a pair of carriages, the bottom of the two carriages is connected through a bottom frame, the driving mechanism is arranged on one of the carriages, the surrounding arm is provided with a driven shaft, the driving shaft and the driven shaft are coaxially arranged, the other carriage is provided with a driven seat, and the driven shaft movably passes through the driven seat.

7. An O-arm assembly according to claim 6, wherein each carriage is provided with at least one first stiffener on a side and a second stiffener on a side of the undercarriage.

8. The O-arm assembly as claimed in claim 6, wherein the surrounding arm comprises a pair of surrounding rods, one of the surrounding rods is connected with the driving shaft, the other surrounding rod is connected with the driven shaft, the two surrounding rods are connected through two connecting rods, and each connecting rod is sleeved with a stepping block on the outer surface.

9. An O-arm assembly according to claim 8, wherein the middle of one of the links is provided with a first central rod and the middle of the other link is provided with a second central rod, the first central rod and the second central rod being coaxially arranged.

10. A shuttle rotational molding machine, comprising: the trolley for O-arm assembly of any one of claims 1 to 9, wherein an oven is arranged on one side of the trolley, a straight arm mechanism is arranged on the other side of the oven away from the trolley in a sliding mode, a sliding rail is laid between the bottom of the straight arm mechanism and the bottom of the O-arm mechanism, and the sliding rail penetrates through the oven.