CN113561387A

CN113561387A - Rotational molding device and process for child slide part

Info

Publication number: CN113561387A
Application number: CN202110768653.4A
Authority: CN
Inventors: 白洁人; 白海忠; 冉运林
Original assignee: ZHEJIANG FEIYOU KANGTI EQUIPMENT CO Ltd
Current assignee: ZHEJIANG FEIYOU KANGTI EQUIPMENT CO Ltd
Priority date: 2021-07-07
Filing date: 2021-07-07
Publication date: 2021-10-29

Abstract

The invention relates to the technical field of rotational molding, and discloses a rotational molding device and a rotational molding process for a child slide component. This children's slide part rotational moulding device and technology, it is rotatory from the driving wheel through the action wheel, it is rotatory to drive the drive wheel from the driving wheel, the drive wheel drives synchronous belt rotatory, synchronous belt drives synchronous pulley rotatory, synchronous pulley drives the compound die rocker rotatory, the compound die rocker drives the decomposition mould rotatory, it is rotatory to feed the sprocket drive simultaneously, it is rotatory to feed the chain, it drives support frame and rotational moulding subassembly displacement through rotating the knob, the rethread strong magnetic stator drives the rotating coil and rotates, rotating coil drives the rotational moulding axle rotation, the rotational moulding axle drives the rotary drum and rotates, thereby reach and carry out the mould shaping automatically, carry out the rotational moulding design automatically, eliminate the effect of its internal stress.

Description

Rotational molding device and process for child slide part

Technical Field

The invention relates to the technical field of rotational molding, in particular to a rotational molding device and a rotational molding process for a child slide part.

Background

With the development of society and the continuous improvement of living standard of people, the attention of people to children is changed from material demand to intelligence development and physique development, and the invention and creation of various intelligence toys can better develop the intelligence and physical coordination of children, wherein the use of a slide for children promotes the touch development of the children, so that the children can experience different touch and promote the touch development in the process of playing various slides, the slide is the initial feeling of the children on the speed, the speed experience brought to the children by slides with different lengths and slopes is different, the initial feeling of most of the children on the speed comes from the process of playing the slide, in the process of playing the slide, the children need to master the self balance and the rotating speed to obtain the exercise of physical coordination, the balance ability of the children who often play the slide is good, and the good balance is the basis of the motion ability, however, with the use of various slides for children in recent years, various problems have arisen, in which the slide is damaged, causing great harm to children, the internal stress of the slide is difficult to eliminate in the manufacturing process, the service life of the slide is greatly reduced, the surface strength of the slide is low, the surface damage is easily caused, and the slide has great hidden danger.

Therefore, in response to these problems, there is a need for a child slide part rotomolding apparatus and process thereof.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a rotational molding device and a rotational molding process for a child slide part, which have the advantages of quickly performing hot melting and shaping on PVC paste resin, quickly performing cooling and shaping, automatically performing mold shaping, automatically performing rotational molding and eliminating internal stress.

In order to achieve the purpose, the invention provides the following technical scheme: a child slide component rotomolding process, the process comprising the steps of:

s1 feeding: pouring dry powder raw materials such as PVC paste resin and the like into a heating mould, and uniformly distributing the dry powder raw materials on the surface of the heating mould by using a roller;

s2 heating: electrifying the heating mould, heating dry powdery raw materials such as PVC paste resin and the like by the heating mould, and rolling the materials in sequence by the roller in the heating process, wherein the softened dry powdery raw materials such as PVC paste resin and the like are quickly combined together;

s3, mold closing: attaching a slide mould to the initially shaped bottom plate;

s4 feeding: pouring dry powder raw materials such as PVC paste resin and the like into a heating mould, coating the surface of a slide forming mould with the raw materials, and uniformly distributing the raw materials on the surface of the slide mould by using a roller;

s5 heating: heating the slide mould and the heating mould to uniformly heat and rapidly soften dry powder raw materials such as PVC paste resin and the like on the surface and the bottom, and rapidly forming the softened raw materials by rolling of a roller;

s6 drawing the die: after the material is softened and molded, the material can be rapidly cooled, and after the material is cooled, the slide mold is separated from the slide to complete production.

The children slide part rotational molding device comprises a mold mechanism, wherein the mold mechanism comprises a rack, an adjusting slide block is connected to the inside of the rack in a sliding manner, a synchronous belt wheel is connected to the adjusting slide block in a rotating manner, an adjusting screw rod is connected to the adjusting slide block in a rotating manner, a mold closing rocker is connected to the rack in a rotating manner, a positioning slide rod is fixedly connected to the back of the mold closing rocker, a decomposition mold is fixedly connected to the outer side of the mold closing rocker, a synchronous belt is connected to the outer side of the synchronous belt wheel in a transmission manner, a complete internal cavity of a complete arc slide can be formed under the mutual matching of two groups of decomposition molds, the complete children arc slide is formed after mold drawing is completed, the slide is more smooth in the using process, and the slide is integrally formed, so that the stress uniformity of the slide is ensured, and the non-uniformity of the slide stress is avoided, resulting in the disadvantage of partial damage.

Preferably, the switching mechanism is including switching over the frame, the inside rotation of switching over the frame is connected with the action wheel, the outside meshing of action wheel is connected with from the driving wheel, the outside meshing from the driving wheel is connected with the drive wheel, the outside of action wheel is provided with the induction frame, the inside fixedly connected with reset spring of drive wheel, the inside rotation of switching over the frame is connected with non return wheel and release link, the top fixedly connected with hot plate of switching over the frame, the arc wall with decomposition mould adaptation is seted up to the inside of hot plate, and the inside fixedly connected with heater strip of hot plate, heater strip can heat the hot plate, and the hot plate can melt raw and other materials fast, and the drive wheel carries out clockwise rotation and anticlockwise rotation under the cooperation of induction frame, can drive the decomposition mould and make up and take out the mould separation.

Preferably, the rotational molding mechanism comprises a rotational molding frame, a feeding chain wheel is connected to the rotational molding frame in a rotating way, the outer side of the feeding chain wheel is connected with a feeding chain in a transmission way, the front side of the feeding chain is connected with a rotating knob in a rotating way, the front surface of the rotational molding frame is fixedly connected with a fixed slide rail, the outer side of the fixed slide rail is connected with a balance slide block in a sliding way, the front surface of the balance slide block is connected with a support frame in a sliding way, a rotational molding component is fixedly connected between the support frames, the inside of the rotational molding component is fixedly connected with a strong magnetic stator, the inside of the strong magnetic stator is rotatably connected with a rotating coil, the inside of the rotating coil is fixedly connected with a rotational molding shaft, under the drive of the feeding chain, the support frame drives the rotational molding assembly to switch the upper track and the lower track, and when the rotational molding assembly runs on the upper track and the lower track, the rotational molding assembly performs rotational molding on the softened raw materials, so that the raw materials are subjected to stress-free molding.

Preferably, the inside of frame is seted up with the arc spout of location slide bar adaptation, the inside of frame is seted up with the arc spout of rotational moulding mechanism adaptation, the inside of frame is seted up with the rectangle spout of adjusting the slider adaptation.

Preferably, the driving wheel is a sector gear, one end with teeth can be meshed with the driven wheel to rotate, the addendum circle of the driving wheel is matched with the induction frame, and the driven wheels are two groups and symmetrically distributed on two sides of the driving wheel and are respectively meshed with the driving wheels.

Preferably, the rotational molding subassembly includes the rotational molding seat, the inside fixedly connected with buffering guide pillar of rotational molding seat, the outside sliding connection of buffering guide pillar has the sliding seat, buffer spring has been cup jointed in the outside of buffering guide pillar, the inside of sliding seat is provided with rotary drum, and in the displacement of rotational molding seat, rotatory coil drives rotary drum and rotates, and rotary drum carries out the rotational molding to raw and other materials, and when carrying out upper and lower track switching, the sliding seat carries out displacement from top to bottom, guarantees rotary drum and decomposition mould parallel translation.

Has the advantages that:

1. this children's slide part rotational moulding device and technology evenly loads the raw materials through twice, can make the raw materials carry out evenly distributed in each position of mould for each position atress of slide is comparatively even, and the inhomogeneous cracked condition that leads to of difficult atress appears, thereby reaches and carries out the hot melt to PVC paste resin fast and stereotypes, can cool off fashioned effect fast.

2. This children's slide part rotational moulding device and technology, it is rotatory from the driving wheel through the action wheel, it is rotatory to drive the drive wheel from the driving wheel, the drive wheel drives synchronous belt rotatory, synchronous belt drives synchronous pulley rotatory, synchronous pulley drives the compound die rocker rotatory, the compound die rocker drives the decomposition mould rotatory, it is rotatory to feed the sprocket drive simultaneously, it is rotatory to feed the chain, it drives support frame and rotational moulding subassembly displacement through rotating the knob, the rethread strong magnetic stator drives the rotating coil and rotates, rotating coil drives the rotational moulding axle rotation, the rotational moulding axle drives the rotary drum and rotates, thereby reach and carry out the mould shaping automatically, carry out the rotational moulding design automatically, eliminate the effect of its internal stress.

Drawings

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

FIG. 2 is a schematic diagram of a switching structure according to the present invention;

FIG. 3 is a schematic diagram of a power switching structure according to the present invention;

FIG. 4 is a schematic view of an inductive structure according to the present invention.

FIG. 5 is a schematic view of the rotational molding structure of the present invention;

FIG. 6 is a schematic view of the rotational molding assembly of the present invention;

FIG. 7 is a schematic view of a mold clamping structure of the present invention.

In the figure: 1. a mold mechanism; 2. a switching mechanism; 3. a rotational molding mechanism; 11. a frame; 12. adjusting the sliding block; 13. a synchronous pulley; 14. adjusting the screw rod; 15. a die closing rocker; 16. positioning the slide bar; 17. decomposing the mold; 18. a synchronous belt; 21. a switching frame; 22. a driving wheel; 23. a driven wheel; 24. an induction frame; 25. a driving wheel; 26. a return spring; 27. a non-return wheel; 28. a reset lever; 29. heating plates; 31. rolling a plastic frame; 32. a feed sprocket; 33. a feed chain; 34. rotating the knob; 35. a support frame; 36. a balancing slide block; 37. a rotational molding assembly; 38. a ferromagnetic stator; 39. a rotating coil; 310. a rotational molding shaft; 311. fixing the slide rail; 371. a rotational molding base; 372. buffering the guide pillar; 373. a movable seat; 374. a buffer spring; 375. the drum is rotated.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

A child slide part rotational molding device and a process thereof, wherein the process comprises the following steps:

s3, mold closing: attaching a slide mould to the initially shaped bottom plate;

Example two

Referring to fig. 1-7, a children's slide part rotational molding device and a process thereof, including a mold mechanism 1, the mold mechanism 1 includes a frame 11, an adjusting slider 12 is slidably connected to the inside of the frame 11, a synchronous pulley 13 is rotatably connected to the adjusting slider 12, an adjusting screw 14 is rotatably connected to the inside of the adjusting slider 12, a mold closing rocker 15 is rotatably connected to the frame 11, a positioning slide bar 16 is fixedly connected to the back of the mold closing rocker 15, a decomposing mold 17 is fixedly connected to the outside of the mold closing rocker 15, a synchronous belt 18 is drivingly connected to the outside of the synchronous pulley 13, an internal cavity of a complete arc slide can be formed under the mutual cooperation of the two groups of decomposing molds 17, after mold drawing is completed, the complete children's arc slide is formed, the slide is smoother in use, and the slide is integrally formed, the uniformity of stress of the slide is ensured, the defect that the slide is not uniformly stressed to cause partial damage is avoided.

Wherein, switching mechanism 2 is including switching over frame 21, the inside rotation of switching over frame 21 is connected with action wheel 22, the outside meshing of action wheel 22 is connected with from driving wheel 23, the outside meshing of following driving wheel 23 is connected with drive wheel 25, the outside of action wheel 22 is provided with induction frame 24, the inside fixedly connected with reset spring 26 of drive wheel 25, the inside rotation of switching over frame 21 is connected with non return wheel 27 and release link 28, the top fixedly connected with hot plate 29 of switching over frame 21, the arc wall with decomposition mould 17 adaptation is seted up to the inside of hot plate 29, the inside fixedly connected with heater strip of hot plate 29, the heater strip can heat hot plate 29, raw and other materials can be melted fast to hot plate 29, clockwise rotation and anticlockwise rotation are carried out to drive decomposition mould 17 under induction frame's 24 cooperation, and then drive decomposition mould 17 and make up and draw the mould separation.

Wherein, the rotational molding mechanism 3 comprises a rotational molding frame 31, a feeding chain wheel 32 is rotatably connected to the rotational molding frame 31, a feeding chain 33 is connected to the outer side of the feeding chain wheel 32 in a transmission manner, a rotating knob 34 is rotatably connected to the front side of the feeding chain 33, a fixed slide rail 311 is fixedly connected to the front side of the rotational molding frame 31, a balance slide block 36 is slidably connected to the outer side of the fixed slide rail 311, a support frame 35 is slidably connected to the front side of the balance slide block 36, a rotational molding assembly 37 is fixedly connected between the support frames 35, a strong magnetic stator 38 is fixedly connected to the inside of the rotational molding assembly 37, a rotating coil 39 is rotatably connected to the inside of the strong magnetic stator 38, a rotational molding shaft 310 is fixedly connected to the inside of the rotating coil 39, the support frame 35 drives the rotational molding assembly 37 to perform up-down rail switching, and the rotational molding assembly 37 performs rotational molding on softened raw materials when the up-down rails run, the raw material is subjected to stress-free molding.

Wherein, the inside of frame 11 is seted up the arc spout with location slide bar 16 adaptation, and the inside of frame 11 is seted up the arc spout with rotational moulding mechanism 3 adaptation, and the inside of frame 11 is seted up the rectangle spout with adjusting slide 12 adaptation.

The driving wheel 22 is a sector gear, one end with teeth can be meshed with the driven wheel 23 to rotate, the addendum circle of the driving wheel 22 is matched with the induction frame 24, the driven wheels 23 are two groups, and the two groups are symmetrically distributed on two sides of the driving wheel 22 and are respectively meshed with the driving wheel 25.

Wherein, rotational moulding subassembly 37 includes rotational moulding seat 371, the inside fixedly connected with buffering guide pillar 372 of rotational moulding seat 371, the outside sliding connection of buffering guide pillar 372 has movable seat 373, buffer spring 374 has been cup jointed in the outside of buffering guide pillar 372, the inside of movable seat 373 is provided with rotatory cylinder 375, in rotational moulding seat 371 displacement, rotatory coil 39 drives rotatory cylinder 375 and rotates, rotatory cylinder 375 carries out rotational moulding to raw and other materials, go on, when the lower track switches over, movable seat 373 carries out displacement from top to bottom, guarantee rotatory cylinder 375 and decomposition mold 17 parallel translation.

The working process and principle are as follows: when the invention is used for carrying out rapid rotational molding on the children slide, dry powder raw materials such as PVC paste resin and the like are poured into a heating mould, the heating mould is uniformly distributed on the surface of the heating mould by using a roller, the heating mould is electrified to heat the dry powder raw materials such as the PVC paste resin and the like, a strong magnet stator 38 drives a rotating coil 39 to rotate in the heating process, the rotating coil 39 drives a rotational molding shaft 310 to rotate, the rotational molding shaft 310 drives a rotating roller 375 to rotate, the rotating roller 375 sequentially rolls the raw materials, the softened dry powder raw materials such as the PVC paste resin and the like are rapidly combined together, a driven wheel 23 of a driving wheel 22 rotates, the driven wheel 23 drives a driving wheel 25 to rotate, the driving wheel 25 drives a synchronous belt 18 to rotate, the synchronous belt 18 drives a synchronous belt wheel 13 to rotate, the synchronous belt wheel 13 drives a mold closing rocker 15 to rotate, the mold closing rocker 15 drives a decomposition mould 17 to rotate, decomposition dies 17 at two ends are combined into a group of stretching dies inside the children slide, the stretching dies and the upper and lower ends of a heating die form a complete die of the children slide, dry powder raw materials such as PVC paste resin are poured into the heating die again, the raw materials coat the surface of the slide forming die, a rotational molding shaft 310 is matched with an arc chute arranged inside a rack 11, the rotational molding shaft 310 extends out of the back of the rack 11 to the front of the rack 11, a roller is sleeved outside the rotational molding shaft 310 positioned on the front of the rack 11, a feeding chain wheel 32 drives a feeding chain 33 to rotate, the feeding chain 33 drives a support frame 35 and a rotational molding assembly 37 to move through a rotating knob 34, the rotational molding assembly 37 drives the rotating roller 375 to uniformly distribute the raw materials on the surface of the slide die, the slide die and the heating die are heated, and the dry powder raw materials such as the PVC paste resin on the surface and the bottom are uniformly heated, and (3) rapidly softening, rapidly molding the softened raw material by rolling the rotary drum 375, rapidly cooling the material after the material is softened and molded, and separating the decomposition die 17 from the slide after the cooling is finished to finish the production.

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. A children's slide part rotational moulding device and its process, characterized by that: the process comprises the following steps:

s3, mold closing: attaching a slide mould to the initially shaped bottom plate;

2. A child slide feature rotational moulding apparatus and process according to claim 1, including a mould mechanism (1), characterized in that: mould mechanism (1) includes frame (11), the inside sliding connection of frame (11) has adjusting block (12), how of adjusting block (12) rotates and is connected with synchronous pulley (13), the inside of adjusting block (12) rotates and is connected with adjusting screw (14), how of frame (11) rotates and is connected with compound die rocker (15), the back fixedly connected with location slide bar (16) of compound die rocker (15), outside fixedly connected with decomposition mould (17) of compound die rocker (15), the outside transmission of synchronous pulley (13) is connected with synchronous belt (18).

3. A child slide subassembly rotomolding apparatus and process as claimed in claim 1, including a switching mechanism (2), characterized by: switching mechanism (2) are including switching frame (21), the internal rotation that switches frame (21) is connected with action wheel (22), the outside meshing of action wheel (22) is connected with from driving wheel (23), the outside meshing of following driving wheel (23) is connected with drive wheel (25), the outside of action wheel (22) is provided with response frame (24), the inside fixedly connected with reset spring (26) of drive wheel (25), the internal rotation that switches frame (21) is connected with non return wheel (27) and release link (28), the top fixedly connected with hot plate (29) that switch frame (21).

4. The child slide feature rotational molding apparatus and process thereof according to claim 1, further comprising a rotational molding mechanism (3), characterized in that: the rotational molding mechanism (3) comprises a rotational molding frame (31), a feeding chain wheel (32) is connected to the rotational molding frame (31) in a rotating way, the outer side of the feeding chain wheel (32) is connected with a feeding chain (33) in a transmission way, the front side of the feeding chain (33) is connected with a rotating knob (34) in a rotating way, the front surface of the rotational molding frame (31) is fixedly connected with a fixed slide rail (311), the outer side of the fixed slide rail (311) is connected with a balance slide block (36) in a sliding way, the front surface of the balance slide block (36) is connected with support frames (35) in a sliding way, rotational molding components (37) are fixedly connected between the support frames (35), the inside of the rotational molding component (37) is fixedly connected with a strong magnetic stator (38), the interior of the strong magnetic stator (38) is rotationally connected with a rotating coil (39), and a rotational molding shaft (310) is fixedly connected inside the rotating coil (39).

5. The child slide feature rotational molding apparatus and process thereof as claimed in claim 2, wherein: the inside of frame (11) is seted up with the arc spout of location slide bar (16) adaptation, the inside of frame (11) is seted up with the arc spout of rotational moulding mechanism (3) adaptation, the inside of frame (11) is seted up with the rectangle spout of adjusting slider (12) adaptation.

6. The child slide feature rotational molding apparatus and process thereof of claim 3, wherein: the driving wheel (22) is a sector gear, one end with teeth can be meshed with the driven wheel (23) to rotate, the addendum circle of the driving wheel (22) is matched with the induction frame (24), and the driven wheels (23) are symmetrically distributed on two sides of the driving wheel (22) and are respectively meshed with the driving wheel (25).

7. The child slide feature rotational molding apparatus and process thereof of claim 4, wherein: rotational molding subassembly (37) includes rotational molding seat (371), the inside fixedly connected with buffering guide pillar (372) of rotational molding seat (371), the outside sliding connection of buffering guide pillar (372) has sliding seat (373), buffer spring (374) has been cup jointed in the outside of buffering guide pillar (372), the inside of sliding seat (373) is provided with rotary drum (375).