CN219903027U - Die for processing rotational molding box - Google Patents
Die for processing rotational molding box Download PDFInfo
- Publication number
- CN219903027U CN219903027U CN202321722881.9U CN202321722881U CN219903027U CN 219903027 U CN219903027 U CN 219903027U CN 202321722881 U CN202321722881 U CN 202321722881U CN 219903027 U CN219903027 U CN 219903027U
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- CN
- China
- Prior art keywords
- die holder
- lower die
- control switch
- switch group
- rotational molding
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- 238000001175 rotational moulding Methods 0.000 title claims abstract description 39
- 239000000463 material Substances 0.000 claims abstract description 5
- 238000010438 heat treatment Methods 0.000 claims description 15
- 230000005611 electricity Effects 0.000 claims description 3
- 239000004033 plastic Substances 0.000 abstract description 10
- 229920003023 plastic Polymers 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000001816 cooling Methods 0.000 description 8
- 239000011344 liquid material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
Abstract
The utility model discloses a die for processing a rotational molding box, which comprises a lower die holder and a demolding mechanism; and (3) a lower die holder: the lower end of the upper die core is provided with a feed pushing box, an upper die core is placed in the lower die base, four corners of the upper die core and the lower die base are respectively provided with a through hole, nuts are fixedly connected to the four corners of the lower end of the lower die base, bolts are respectively connected in the through holes of the upper die core in a sliding manner, the bolts penetrate through the through holes to be respectively connected with vertically adjacent nuts in a threaded manner, and the middle part of the upper end of the upper die core is fixedly connected with a handle; and (3) demolding mechanism: the plastic box is arranged in the material pushing box and further comprises a control switch group, the control switch group is positioned outside the lower die holder, the input end of the control switch group is electrically connected with an external power supply, the demoulding mechanism comprises a connecting rod, a crank and a push plate, the mould for processing the plastic box can complete demoulding operation of the plastic box under the condition that the mould is not required to be fixed, so that the working participation of personnel is reduced, and the production efficiency of the plastic box is greatly increased.
Description
Technical Field
The utility model relates to the technical field of rotational molding box production and processing, in particular to a mold for rotational molding box processing.
Background
Rotational molding is also called rotational molding, rotary molding and the like, and is a thermoplastic plastic hollow molding method, the rotational speed of rotational molding is low, and the product has almost no internal stress and is not easy to deform, dent and the like. The plastic injection molding machine is mainly used for small products such as polyvinyl chloride paste plastic production, rubber balls, bottles and cans, and the like, more applications are realized on large products recently, the mold is an indispensable part of rotational molding, most of existing molds for processing rotational molding boxes are filled with liquid materials into a lower mold base by personnel, then the upper mold core and the lower mold base are fixed by bolts, liquid polymers are placed in the mold and heated while the mold rotates around a vertical shaft and revolves around the vertical shaft, then the mold is cooled and molded, then the personnel fix the mold and then push the push plate upwards by applying thrust to the push plate through an external push rod to enable the rotational molding box to be demolded, and when the rotational molding box is produced in a large scale, the personnel need to frequently fix the mold for demolding operation, which is time-consuming and labor-consuming, the participation of the personnel is too high, and the production efficiency is further affected.
Disclosure of Invention
The utility model aims to overcome the existing defects, and provides the die for processing the rotational molding box, which can finish the demolding operation of the rotational molding box under the condition that the die is not required to be fixed, so that the working participation of personnel is reduced, the production efficiency of the rotational molding box is greatly improved, and the problems in the background technology can be effectively solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a die for processing a rotational molding box comprises a lower die holder and a demolding mechanism;
and (3) a lower die holder: the lower end of the upper die core is provided with a feed pushing box, an upper die core is placed in the lower die base, four corners of the upper die core and the lower die base are respectively provided with a through hole, nuts are fixedly connected to the four corners of the lower end of the lower die base, bolts are respectively connected in the through holes of the upper die core in a sliding manner, the bolts penetrate through the through holes to be respectively connected with vertically adjacent nuts in a threaded manner, and the middle part of the upper end of the upper die core is fixedly connected with a handle;
and (3) demolding mechanism: the plastic pushing box is arranged in the plastic pushing box, and can finish the demoulding operation of the plastic rolling box under the condition that a fixed mould is not needed, so that the working participation of personnel is reduced, and the production efficiency of the plastic rolling box is greatly improved.
Further, the electric control device also comprises a control switch group, wherein the control switch group is positioned outside the lower die holder, and the input end of the control switch group is electrically connected with an external power supply to control the electric appliance.
Further, demoulding mechanism includes connecting rod, crank and push pedal, push pedal sliding connection is in pushing away the silo that the die holder diapire was seted up, and the lower extreme fixedly connected with of push pedal is controlled the rotation seat that the position corresponds, and the inside of rotating the seat all rotates and is connected with the connecting rod, pushes away and is connected with two pivots one through the bearing rotation between the inner wall around the workbin, and the fixed cover in the middle part of the extrados of pivot one is equipped with the crank, and the one end that the connecting rod was kept away from to the crank is rotated through the inside of round pin axle with vertical adjacent connecting rod respectively and is connected, has realized the drawing of patterns to the rotational moulding case.
Further, demoulding mechanism still includes turbine and worm, the worm rotates through the bearing respectively and is connected in the left and right sides inner wall of pushing away the workbin, fixedly connected with column spinner between two worms, and the column spinner is all coaxial with two worms, and two worm screw thread opposite directions, the fixed cover in extrados front end of pivot one is equipped with the turbine, and the turbine is connected with vertical adjacent worm meshing respectively, has realized the locking to rotational moulding case drawing of patterns.
Further, demoulding mechanism still includes helical gear one and helical gear two, helical gear one rotates through the pivot two and is connected in the front side inner wall of pushing away the workbin, and the fixed cover in the middle part of the extrados of column spinner is equipped with helical gear two, and helical gear two is connected with helical gear one meshing, has realized the drawing of patterns to the rotational moulding case.
Further, demoulding mechanism still includes the motor, the motor sets up in the front side middle part of pushing away the workbin, and the output shaft of motor and the front end fixed connection of pivot two, the output of control switch group has been connected to the input electricity of motor, has realized the drive to rotational moulding case drawing of patterns.
Further, the inner wall of die holder all is provided with evenly distributed's heating plate, and the output of control switch group has been connected to the input electricity of heating plate, has realized the heating of mould.
Compared with the prior art, the utility model has the beneficial effects that: the die for processing the rotational molding box has the following advantages:
the personnel adds liquid material to the inside of die holder, after filling suitable dose, pass through the hole with the bolt and pass through the spanner with it with the nut fixed closely, then put into the mould and put external rotary mechanism rotation and do rotation and revolution, during the control switch group control open the heating piece heating, then stop flowing completely when reaching the gel point. The mold is then transferred into a cooling work area, the mold is cooled by forced ventilation or water spraying, after cooling, a person dismantles the bolt from the nut through a wrench, then the person takes the bolt off through a handle, then the person turns on the motor through control of a control switch group, the output shaft rotates to drive the bevel gear I to rotate, and then drive the bevel gear II meshed with the bevel gear I to rotate, so that the two worms on the rotating column are driven to rotate, and the effect of meshing relationship between the worm and the turbine starts to rotate, so that the crank is contracted inwards, the connecting rod is contracted inwards, the push plate on the rotating seat is driven to move upwards to push out the cooled rotational molding box, the demolding operation of the rotational molding box can be completed under the condition that the mold is not required to be fixed, the working participation of the person is reduced, and the production efficiency of the rotational molding box is greatly increased.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of an explosive structure according to the present utility model;
FIG. 3 is a schematic cross-sectional view of the lower die holder of the present utility model.
In the figure: the material pushing device comprises a lower die holder 1, a demoulding mechanism 2, a connecting rod 21, a crank 22, a turbine 23, a motor 24, a worm 25, a bevel gear 26, a bevel gear 27, a push plate 28, an upper die core 3, a bolt 4, a handle 5, a control switch group 6, a heating plate 7 and a material pushing box 8.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present embodiment provides a technical solution: a die for processing a rotational molding box comprises a lower die holder 1 and a demoulding mechanism 2;
lower die holder 1: the lower end of the upper die core is provided with a material pushing box 8, an upper die core 3 is placed in the lower die holder 1, through holes are formed in four corners of the upper die core 3 and the lower die holder 1, nuts are fixedly connected to four corners of the lower end of the lower die holder 1, bolts 4 are slidably connected in the through holes of the upper die core 3, the bolts 4 penetrate through the through holes to be respectively in threaded connection with vertically adjacent nuts, and a handle 5 is fixedly connected to the middle of the upper end of the upper die core 3;
demolding mechanism 2: the demolding mechanism 2 comprises a connecting rod 21, a crank 22 and a push plate 28, wherein the push plate 28 is in sliding connection with the push groove formed in the bottom wall of the lower die holder 1, the lower end of the push plate 28 is fixedly connected with two rotating seats corresponding to the left and right positions, the connecting rod 21 is rotationally connected in the rotating seats, two first rotating shafts are rotationally connected between the front inner wall and the rear inner wall of the push box 8 through bearings, the crank 22 is fixedly sleeved in the middle of an outer cambered surface of the first rotating shaft, one end of the crank 22 far away from the connecting rod 21 is respectively in rotational connection with the vertically adjacent connecting rod 21 through a pin shaft, the demolding mechanism 2 further comprises a turbine 23 and a worm 25, the worm 25 is respectively in rotational connection with the left inner wall and the right inner wall of the push box 8 through bearings, a rotating column is fixedly connected between the two worm 25, the rotating columns are coaxial with the two worm 25, the two worm threads are opposite in direction, the turbine 23 is fixedly sleeved at the front end of the outer cambered surface of the first rotating shaft, the turbine 23 is respectively connected with a vertically adjacent worm 25 in a meshed manner, the demoulding mechanism 2 further comprises a first bevel gear 26 and a second bevel gear 27, the first bevel gear 26 is rotatably connected to the inner wall of the front side of the pushing box 8 through the second rotating shaft, the second bevel gear 27 is fixedly sleeved at the middle part of the outer cambered surface of the rotating column, the second bevel gear 27 is connected with the first bevel gear 26 in a meshed manner, the demoulding mechanism 2 further comprises a motor 24, the motor 24 is arranged at the middle part of the front side of the pushing box 8, an output shaft of the motor 24 is fixedly connected with the front end of the second rotating shaft, an input end of the motor 24 is electrically connected with an output end of the control switch group 6, heating plates 7 which are uniformly distributed are arranged on the inner wall of the lower die holder 1, an input end of the heating plates 7 is electrically connected with an output end of the control switch group 6, personnel add liquid materials into the lower die holder 1, and after a proper dosage is filled, the heating plate 7 is controlled to be opened by the control switch group 6 to heat during the process of passing the bolt 4 through the through hole to tightly fix the bolt with the nut by the spanner, and then putting the die into the external rotating mechanism to rotate for rotation and revolution, and the flow is completely stopped when the gel point is reached. The mold is then transferred into a cooling work area, the bolt 4 is disassembled from the nut by a person after cooling through forced ventilation or water spray cooling, then the bolt is taken off by a handle 5, then the person controls to open a motor 24 through a control switch group 6 to operate, an output shaft rotates to drive a first bevel gear 26 to rotate and further drive a second bevel gear 27 meshed with the first bevel gear to rotate, the two worms 25 on a rotating column are driven to rotate, the length ratio of the crank 22 to the connecting rod 21 is set between 0.26 and 0.31 because of the influence of the meshing relationship of the worm 25 and the turbine 23, the crank 22 is further contracted inwards, the connecting rod 21 is further contracted inwards, a push plate 28 on a rotating seat is driven to move upwards to push out the cooled rotational molding box, the demolding operation of the rotational molding box can be completed under the condition that the mold is not required to be fixed, the working participation of the person is reduced, and the production efficiency of the rotational molding box is greatly increased.
Wherein: the control switch group 6 is positioned outside the lower die holder 1, the input end of the control switch group 6 is electrically connected with an external power supply, and the operation is controlled.
The working principle of the die for processing the rotational molding box provided by the utility model is as follows: the personnel add liquid material to the inside of die holder 1, after filling suitable dose, pass bolt 4 through the through hole and pass it with the nut fixed inseparable through the spanner, then put the mould into external rotary mechanism and rotate and revolve, during the period control through control switch group 6 open heating piece 7 heating, stop the flow when reaching the gel point completely. The mold is then transferred into a cooling work area, the bolt 4 is disassembled from the nut by a person after cooling through forced ventilation or water spray cooling, then the bolt is taken off by a handle 5, then the person controls to open a motor 24 through a control switch group 6 to operate, an output shaft rotates to drive a first bevel gear 26 to rotate and further drive a second bevel gear 27 meshed with the first bevel gear to rotate, the two worms 25 on a rotating column are driven to rotate, the length ratio of the crank 22 to the connecting rod 21 is set between 0.26 and 0.31 because of the influence of the meshing relationship of the worm 25 and the turbine 23, the crank 22 is further contracted inwards, the connecting rod 21 is further contracted inwards, a push plate 28 on a rotating seat is driven to move upwards to push out the cooled rotational molding box, the demolding operation of the rotational molding box can be completed under the condition that the mold is not required to be fixed, the working participation of the person is reduced, and the production efficiency of the rotational molding box is greatly increased.
It should be noted that the motor 24 disclosed in the above embodiment may be a 7IK400A-AF motor, the heating plate 7 may be freely configured according to practical situations, and the control switch group 6 is provided with control buttons corresponding to the motor 24 and the heating plate 7 one by one and used for controlling the switches thereof.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (7)
1. The utility model provides a rotational moulding case processing is with mould which characterized in that: comprises a lower die holder (1) and a demoulding mechanism (2);
lower die holder (1): the lower end of the upper die core is provided with a pushing box (8), an upper die core (3) is arranged in the lower die holder (1), through holes are formed in four corners of the upper die core (3) and the lower die holder (1), nuts are fixedly connected to four corners of the lower end of the lower die holder (1), bolts (4) are slidably connected in the through holes of the upper die core (3), the bolts (4) penetrate through the through holes and are respectively in threaded connection with the vertically adjacent nuts, and a handle (5) is fixedly connected to the middle of the upper end of the upper die core (3);
demolding mechanism (2): which is arranged in the material pushing box (8).
2. The mold for processing a rotational molding box according to claim 1, wherein: the die further comprises a control switch group (6), wherein the control switch group (6) is positioned outside the lower die holder (1), and the input end of the control switch group (6) is electrically connected with an external power supply.
3. The mold for processing a rotational molding box according to claim 2, wherein: demoulding mechanism (2) include connecting rod (21), crank (22) and push pedal (28), push pedal (28) sliding connection is in the push away silo that die holder (1) diapire was seted up, the lower extreme fixedly connected with of push pedal (28) is two the rotation seat that the position corresponds about, the inside of rotating the seat is all rotated and is connected with connecting rod (21), be connected with two pivot one through the bearing rotation between the front and back inner wall of push away workbin (8), the fixed cover in extrados middle part of pivot one is equipped with crank (22), the one end that connecting rod (21) were kept away from to crank (22) is connected with the inside rotation of vertical adjacent connecting rod (21) through the round pin axle respectively.
4. A mold for processing a rotomolding box according to claim 3, wherein: the demolding mechanism (2) further comprises a turbine (23) and worms (25), the worms (25) are respectively connected to the left inner wall and the right inner wall of the pushing box (8) through bearings in a rotating mode, a rotating column is fixedly connected between the two worms (25), the rotating column is coaxial with the two worms (25), the threads of the two worms (25) are opposite in direction, the turbine (23) is fixedly sleeved at the front end of the outer cambered surface of the rotating shaft, and the turbine (23) is respectively connected with the vertically adjacent worms (25) in a meshed mode.
5. The mold for processing a rotational molding box according to claim 4, wherein: the demolding mechanism (2) further comprises a first bevel gear (26) and a second bevel gear (27), the first bevel gear (26) is connected to the inner wall of the front side of the pushing box (8) through a second rotating shaft, the second bevel gear (27) is fixedly sleeved in the middle of the outer cambered surface of the rotating column, and the second bevel gear (27) is meshed with the first bevel gear (26).
6. The mold for processing a rotational molding box according to claim 5, wherein: the demolding mechanism (2) further comprises a motor (24), the motor (24) is arranged in the middle of the front side of the pushing box (8), an output shaft of the motor (24) is fixedly connected with the front end of the second rotating shaft, and the input end of the motor (24) is electrically connected with the output end of the control switch group (6).
7. The mold for processing a rotational molding box according to claim 2, wherein: the inner wall of die holder (1) all is provided with evenly distributed's heating piece (7), and the output of control switch group (6) is connected to the input electricity of heating piece (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321722881.9U CN219903027U (en) | 2023-07-03 | 2023-07-03 | Die for processing rotational molding box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321722881.9U CN219903027U (en) | 2023-07-03 | 2023-07-03 | Die for processing rotational molding box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219903027U true CN219903027U (en) | 2023-10-27 |
Family
ID=88426413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321722881.9U Active CN219903027U (en) | 2023-07-03 | 2023-07-03 | Die for processing rotational molding box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219903027U (en) |
-
2023
- 2023-07-03 CN CN202321722881.9U patent/CN219903027U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |