CN210552518U

CN210552518U - Rotational moulding machine L arm automatic balancing device

Info

Publication number: CN210552518U
Application number: CN201921003291.4U
Authority: CN
Inventors: 乔振宇
Original assignee: Tianjin Innovation Yuanda Plastic Products Co Ltd
Current assignee: Tianjin Innovation Yuanda Plastic Products Co Ltd
Priority date: 2019-07-01
Filing date: 2019-07-01
Publication date: 2020-05-19
Anticipated expiration: 2029-07-01

Abstract

The utility model relates to the technical field of rotational molding machines, and discloses an automatic balancing device for an L arm of a rotational molding machine, which comprises the L arm, a vertical arm, a transverse arm, a film loading part, a motor I, a motor II, a frequency converter, a counterweight part, a balancing device, a lead screw and a connecting rod, wherein the right side of the transverse arm is fixedly connected with a fixed plate, the right side of the fixed plate is fixedly connected with two symmetrically distributed supporting rods, a rolling bearing is embedded in the surface of each supporting rod, and the inner wall of the rolling bearing is fixedly connected with a clamping mechanism; the fixture includes the threaded rod with antifriction bearing inner wall fixed connection, and the one end threaded connection of threaded rod has a screw thread section of thick bamboo, and the one end fixedly connected with shunt tubes that the threaded rod was kept away from to the screw thread section of thick bamboo, and a plurality of delivery ports have been seted up to one side that the screw thread section of thick bamboo was kept away from to the shunt tubes. The utility model discloses can conveniently install the centre gripping to the dress membrane portion of equidimension not, and can conveniently cool off dress fashioned plastic products in the membrane portion, improve the production efficiency of plastic products in the dress membrane portion.

Description

Rotational moulding machine L arm automatic balancing device

Technical Field

The utility model relates to a rotational moulding machine technical field especially relates to a rotational moulding machine L arm automatic balancing unit.

Background

Rotational molding of a rotational molding machine is a process method for molding hollow plastic products, and is also called rotational molding, rotational molding or rotary molding. The rotational molding machine needs to melt the resin added into the mold by heating in the rotational molding process, then uniformly distributes the melted resin on the inner wall of the mold by the mold rolling to form the required product shape, and finally, the product is cooled and shaped.

For example, chinese patent No. CN205969679U discloses an L-arm automatic balancing device for a rotational molding machine, which comprises an L-arm, a vertical arm, a cross arm, a film loading part, a motor i, a motor ii, a frequency converter, a counterweight, a balancing device, a lead screw, and a connecting rod. The automatic balancing device for the L-arm of the rotational molding machine in the patent has the following defects: in this patent, when the film-filling part needs to be replaced, the size of the required film-filling part is different due to the different sizes of the plastic products required to be manufactured, and the cross arm cannot be mounted on the film-filling parts with different sizes, thereby affecting the production of the plastic products.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art when needs are changed dress membrane portion, because of the variation in size of the plastic products of required preparation, consequently required dress membrane portion's size is also different, and the xarm can't be installed the dress membrane portion of equidimension not to the problem of plastic products production is influenced, and a rotational moulding machine L arm automatic balancing unit who proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an automatic balancing device for an L-arm of a rotational molding machine comprises the L-arm, a vertical arm, a cross arm, a film loading part, a motor I, a motor II, a frequency converter, a counterweight part, a balancing device, a lead screw and a connecting rod, wherein the right side of the cross arm is fixedly connected with a fixing plate, the right side of the fixing plate is fixedly connected with two symmetrically distributed supporting rods, rolling bearings are embedded in the surfaces of the supporting rods, and the inner walls of the rolling bearings are fixedly connected with a clamping mechanism;

fixture include with antifriction bearing inner wall fixed connection's threaded rod, the one end threaded connection of threaded rod has a screw thread section of thick bamboo, the one end fixedly connected with shunt tubes of threaded rod is kept away from to a screw thread section of thick bamboo, a plurality of delivery ports have been seted up to one side that a screw thread section of thick bamboo was kept away from to the shunt tubes, and go out the interior fixedly connected with water service pipe of water port, the one end fixedly connected with arc splint, one of them of shunt tubes are kept away from to the water service pipe the fixed intercommunication in top.

Preferably, the bottom of shunt tubes is fixedly connected with a slide block, and the top of the fixed plate is provided with a slide groove in matched connection with the slide block.

Preferably, one end of the threaded rod, which is far away from the threaded cylinder, is fixedly connected with a rotating block.

Preferably, one side of the arc-shaped clamping plate far away from the water through pipe is fixedly connected with a rubber pad.

Preferably, cooling body includes the outlet pipe with the fixed intercommunication in one of them shunt tubes top, the top swing joint of outlet pipe has the storage water tank, fixedly connected with water pump in the storage water tank, the output of water pump and the fixed intercommunication in top of outlet pipe, set up the pipeline that is linked together with the water service pipe in the arc splint, two the common fixed intercommunication in one side that the arc splint is relative has the hose, another the fixed intercommunication in top of shunt tubes has the inlet tube, the top swing joint of inlet tube has the cooler bin, the top of inlet tube is passed the lateral wall of cooler bin and is fixed the intercommunication with the right side of storage water tank.

Preferably, the top of the water storage tank and the top of the cooling tank are fixedly communicated with a liquid inlet pipe, and the top of the liquid inlet pipe is in threaded connection with a cover plate.

Compared with the prior art, the utility model provides a rotational moulding machine L arm automatic balancing unit possesses following beneficial effect:

1. this rotational moulding machine L arm automatic balancing device through being provided with fixture, can conveniently install the centre gripping to the dress membrane portion of equidimension not.

2. This rotational moulding machine L arm automatic balancing device through being provided with cooling body, can conveniently cool off the fashioned plastic products in the dress membrane portion, has improved the production efficiency of plastic products in the dress membrane portion.

The device does not relate to the part and all is the same with prior art or can adopt prior art to realize, the utility model discloses can conveniently install the centre gripping to the dress membrane portion of equidimension not, and can conveniently cool off fashioned plastic products in the dress membrane portion, improve the production efficiency of plastic products in the dress membrane portion.

Drawings

Fig. 1 is a schematic structural view of an L-arm automatic balancing device of a rotational molding machine according to the present invention;

3 fig. 3 2 3 is 3 a 3 sectional 3 view 3 taken 3 along 3 line 3 a 3- 3 a 3 of 3 fig. 3 1 3. 3

In the figure: the device comprises a cross arm 1, a fixing plate 2, a supporting rod 3, a clamping mechanism 4, a threaded rod 41, a threaded barrel 42, a shunt pipe 43, a water service pipe 44, an arc-shaped clamping plate 45, a cooling mechanism 5, a water outlet pipe 51, a water storage tank 52, a water pump 53, a water hose 54, a water inlet pipe 55, a cooling tank 56, a rotating block 6, a liquid inlet pipe 7 and a cover plate 8.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, an automatic balancing device for an L-arm of a rotational molding machine comprises the L-arm, a vertical arm, a cross arm 1, a film loading part, a motor I, a motor II, a frequency converter, a counterweight part, a balancing device, a screw rod and a connecting rod, wherein the right side of the cross arm 1 is fixedly connected with a fixed plate 2, the right side of the fixed plate 2 is fixedly connected with two symmetrically distributed supporting rods 3, rolling bearings are embedded in the surfaces of the supporting rods 3, and the inner walls of the rolling bearings are fixedly connected with a clamping mechanism 4;

fixture 4 includes the threaded rod 41 with antifriction bearing inner wall fixed connection, the one end threaded connection of threaded rod 41 has a screw thread section of thick bamboo 42, the one end fixedly connected with shunt tubes 43 of threaded rod 41 is kept away from to screw thread section of thick bamboo 42, a plurality of delivery ports have been seted up to one side that a screw thread section of thick bamboo was kept away from to shunt tubes 43, and the interior fixedly connected with water service pipe 44 of delivery port, the one end fixedly connected with arc splint 45 of shunt tubes 43 are kept away from to water service pipe 44, the fixed intercommunication in top of one of them shunt tubes 43 has cooling body 5, can conveniently install the centre.

The bottom fixedly connected with slider of shunt tubes 43, the spout with slider accordant connection is seted up at the top of fixed plate 2, can conveniently carry on spacingly to shunt tubes 43, and it slides to be convenient for.

One end of the threaded rod 41 far away from the threaded cylinder 42 is fixedly connected with a rotating block 6, so that the threaded rod 41 can be conveniently rotated.

One side fixedly connected with rubber pad that water service pipe 44 was kept away from to arc splint 45 can conveniently increase arc splint 45's frictional force, makes arc splint 45 centre gripping more stable.

The cooling mechanism 5 comprises a water outlet pipe 51 fixedly communicated with the top of one of the branch pipes 43, the top of the water outlet pipe 51 is movably connected with a water storage tank 52, a water pump 53 is fixedly connected in the water storage tank 52, the water pump 53 is electrically connected with an external power supply through a control switch, and can ensure that the power supply can be supported during operation, the electrical connection is the prior art and belongs to the conventional technical means of the personnel in the field, and therefore details are omitted, the output end of the water pump 53 is fixedly communicated with the top of the water outlet pipe 51, a pipeline communicated with the water pipe 44 is arranged in the arc-shaped clamping plate 45, the opposite sides of the two arc-shaped clamping plates 45 are fixedly communicated with a soft water pipe 54, the top of the other branch pipe 43 is fixedly communicated with a water inlet pipe 55, the top of the water inlet pipe 55 is movably connected with a, can conveniently cool off the fashioned plastic products in the dress membrane portion, improve the production efficiency of plastic products in the dress membrane portion.

The top of storage water tank 52 and cooler bin 56 all is fixed the intercommunication has feed liquor pipe 7, and the top threaded connection of feed liquor pipe 7 has apron 8, can conveniently add into storage water tank 52 and cooler bin 56 with water and coolant liquid.

In the utility model, when the film-filling parts with different sizes are required to be installed, the film-filling parts are placed on the side wall of the fixed plate 2, the turning block 6 is turned, the turning block 6 drives the threaded rod 41 to rotate in the rolling bearing, the threaded rod 41 pushes the threaded barrel 42 according to the principle of thread movement, the threaded barrel 42 pushes the shunt pipe 43, the shunt pipe 43 slides in the chute on the fixed plate 2 through the slider, the shunt pipe 43 pushes the water pipe 44, the water pipe 44 pushes the arc-shaped clamping plate 45, the two arc-shaped clamping plates 45 clamp the film-filling parts, the film-filling parts with different sizes can be conveniently installed and clamped, when plastic products in the film-filling parts after molding are required to be cooled, the water pump 53 is started, the water pump 53 pumps water from the water storage tank 52 and conveys the water into the water outlet pipe 51, the water is conveyed into one of the shunt pipes 43 through the water outlet pipe 51, and the water outlet pipes 43, and flow into the pipeline on the arc splint 45 through the water service pipe 44, and let in water in another shunt tubes 43 through the hose 54, take away the heat in the dress membrane portion, the rethread is delivered water to in the cooler bin 56 through another shunt tubes 43, when inlet tube 55 passes through the cooler bin 56 again, the water in inlet tube 55 is cooled to the coolant liquid in the cooler bin 56, the water in inlet tube 55 flows back to in the storage water tank 52 again, so relapse, can conveniently cool off the fashioned plastic products in the dress membrane portion, the production efficiency of the plastic products in the dress membrane portion has been improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An automatic L-arm balancing device of a rotational molding machine comprises an L-arm, a vertical arm, a cross arm (1), a film loading part, a motor I, a motor II, a frequency converter, a counterweight part, a balancing device, a lead screw and a connecting rod, and is characterized in that the right side of the cross arm (1) is fixedly connected with a fixing plate (2), the right side of the fixing plate (2) is fixedly connected with two symmetrically distributed supporting rods (3), rolling bearings are embedded in the surfaces of the supporting rods (3), and the inner walls of the rolling bearings are fixedly connected with a clamping mechanism (4);

fixture (4) include threaded rod (41) with antifriction bearing inner wall fixed connection, the one end threaded connection of threaded rod (41) has a screw thread section of thick bamboo (42), the one end fixedly connected with shunt tubes (43) of threaded rod (41) are kept away from in screw thread section of thick bamboo (42), one side that a screw thread section of thick bamboo was kept away from in shunt tubes (43) has seted up a plurality of delivery ports, and in the delivery port fixedly connected with water service pipe (44), the one end fixedly connected with arc splint (45) of shunt tubes (43), one of them are kept away from in water service pipe (44) the fixed intercommunication in top of shunt tubes (43) has cooling body (5).

2. The automatic L-arm balancing device of the rotational molding machine as claimed in claim 1, wherein a sliding block is fixedly connected to the bottom of the flow dividing pipe (43), and a sliding groove matched and connected with the sliding block is formed in the top of the fixing plate (2).

3. The automatic L-arm balancing device of a rotational molding machine according to claim 1, wherein a rotating block (6) is fixedly connected to one end of the threaded rod (41) far away from the threaded cylinder (42).

4. The automatic L-arm balancing device of rotational molding machine as claimed in claim 1, wherein a rubber pad is fixedly connected to one side of the arc-shaped clamping plate (45) far away from the water pipe (44).

5. The automatic L-arm balancing device of a rotational molding machine according to claim 1, the cooling mechanism (5) comprises a water outlet pipe (51) fixedly communicated with the top of one shunt pipe (43), the top of the water outlet pipe (51) is movably connected with a water storage tank (52), a water pump (53) is fixedly connected in the water storage tank (52), the output end of the water pump (53) is fixedly communicated with the top of the water outlet pipe (51), a pipeline communicated with the water through pipe (44) is arranged in the arc-shaped clamping plates (45), one sides of the two arc-shaped clamping plates (45) opposite to each other are fixedly communicated with a soft water pipe (54), the top of the other shunt pipe (43) is fixedly communicated with a water inlet pipe (55), the top swing joint of inlet tube (55) has cooler bin (56), the top of inlet tube (55) passes the lateral wall of cooler bin (56) and with the fixed intercommunication in right side of storage water tank (52).

6. The automatic L-arm balancing device of the rotational molding machine as claimed in claim 5, wherein the top of the water storage tank (52) and the top of the cooling tank (56) are both fixedly communicated with a liquid inlet pipe (7), and the top of the liquid inlet pipe (7) is in threaded connection with a cover plate (8).