CN211307154U - Dual density solid tyre injection moulding production facility - Google Patents
Dual density solid tyre injection moulding production facility Download PDFInfo
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- CN211307154U CN211307154U CN201921456432.8U CN201921456432U CN211307154U CN 211307154 U CN211307154 U CN 211307154U CN 201921456432 U CN201921456432 U CN 201921456432U CN 211307154 U CN211307154 U CN 211307154U
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Abstract
The utility model relates to a dual density solid tyre injection moulding production facility, put including the mould and get the unit, it includes: support, lifting unit and put and get the subassembly, lifting unit includes: the guide device comprises a first air cylinder, a support plate, a guide sleeve, a guide pillar and a movable plate, wherein the first air cylinder is fixed on the support through the support plate, the support plate is provided with a through hole, the guide sleeve is arranged in the through hole, one end of a guide rod of the first air cylinder is connected with the movable plate, the movable plate is positioned below the support plate, one end of the guide pillar is movably arranged in the guide sleeve, and the other end of the guide pillar is fixedly connected with the movable plate; the put and get subassembly includes: the clamping jaw is arranged on the movable plate, and a guide rod of the second cylinder is connected with the clamping jaw. The utility model discloses a design mould is got and is put the unit, has improved degree of automation, has improved production efficiency, practices thrift manufacturing cost.
Description
Technical Field
The utility model belongs to the technical field of the rubber tire, concretely relates to dual density solid tyre injection moulding production facility.
Background
In the prior art, firstly, most of solid rubber tires are made of one material, so that the solid rubber tires are heavier as a whole, are harder, have insufficient elasticity and low comfort level, and bring about poor use experience; secondly, solid tyre manufacturing plants are mostly operated manually, for example: the automatic feeding and discharging device is characterized in that weighing, discharging and filling are carried out manually, then a die, a matched die, a die sinking die and the like are replaced, the automation degree is low, the production period is long, the production cost is high, and the production efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model provides a dual density solid tyre injection moulding production facility to the deficiency of prior art, solid tyre mainly includes low density inner embryo and high density cover tire, has guaranteed the wearability and the intensity of tire, increases elasticity when making the whole weight loss of tire through low density inner embryo, has improved the comfort level; and the utility model discloses a design mould is got and is put the unit, has improved degree of automation, has improved production efficiency, practices thrift manufacturing cost, in addition passes through the utility model discloses an injection moulding equipment preparation has reduced the defective percentage of tire.
For solving one of above-mentioned technical problem at least, the utility model discloses the technical scheme who takes is:
a dual density solid tire injection molding production apparatus comprising: injection unit, moulding-die forming unit and mould are put and are got the unit, the mould is put and is got the unit and include: a bracket, a lifting component and a placing and taking component, wherein,
the lifting assembly comprises: the guide device comprises a first air cylinder, a support plate, a guide sleeve, a guide pillar and a movable plate, wherein the first air cylinder is fixed on the support through the support plate, the support plate is provided with a through hole, the guide sleeve is arranged in the through hole, one end of a guide rod of the first air cylinder is connected with the movable plate, the movable plate is positioned below the support plate, one end of the guide pillar is movably arranged in the guide sleeve, the other end of the guide pillar is fixedly connected with the movable plate, and the first air cylinder drives the movable plate to move up and down;
the put and get subassembly includes: the clamping jaw is arranged on the movable plate, a guide rod of the second cylinder is connected with the clamping jaw and drives the clamping jaw to move horizontally to place and take the die.
Furthermore, the second cylinders are double-guide-rod cylinders, the number of the second cylinders is four, and the two cylinders are symmetrically arranged on the movable plate respectively.
Further, the other end of the guide pillar is connected with the movable plate through a fastening assembly, and the fastening assembly comprises: the pressing ring is sleeved on the pressing ring, and the pressing ring is fixedly connected with the movable plate through the screw.
Further, the injection unit comprises: base and removal set up in injection mechanism on the base, injection mechanism includes: an injection gun for plasticizing and injecting rubber pellets, the injection gun comprising: the injection cylinder is internally provided with an injection cavity; the injection head is arranged at the front end of the injection tube, and an injection channel communicated with the injection cavity is formed in the injection head; the material blocking mechanism is used for opening and closing the injection channel and is arranged on one side of the injection head; the injection screw is sleeved in the injection tube; a rotary power unit connected to the injection screw via a coupling; and the coupling axially penetrates through a piston of the injection oil cylinder, and is axially stopped and radially and rotatably arranged in the piston.
Further, the injection head comprises a middle plate which is arranged at the front end of the injection tube; the material nozzle is vertically arranged at one end of the middle plate; the injection channels are respectively formed on the middle plate and the material nozzle; the putty mechanism includes: the material blocking device comprises a material blocking cylinder arranged on the middle plate and a material blocking rod arranged at the extending end of the material blocking cylinder and inserted into the injection channel of the material nozzle.
Further, the press molding unit includes: an injection station and an injection mold, the injection station comprising: the lower template mounting seat is arranged on the rack of the equipment and is used for mounting a lower template; an upper template mounting seat which is arranged at the upper side of the lower template mounting seat and is used for mounting an upper template; a mold overturning mechanism for overturning the upper mold plate mounting seat to the injection gun side; a mold locking mechanism for locking the upper mold plate from both sides; and the lower template mounting seat is moved to the die assembly mechanism of the upper template mounting seat from bottom to top.
Furthermore, the injection mold further comprises a middle template arranged between the upper template and the lower template, and the middle template is placed and taken by the clamping jaws.
Further, the lower template mounting seat and the upper template mounting seat are respectively provided with a die heating device for heating the lower template and the upper template; and a middle template cooling device is arranged above the upper template mounting seat of the injection station, and the middle template is cooled when the clamping jaw takes out the middle template.
The beneficial effects of the utility model include at least: the utility model discloses a dual density solid tyre injection moulding production facility, solid tyre mainly includes low density inner embryo and high density cover tire, has guaranteed the wearability and the intensity of tire, has increased elasticity when making the whole weight loss of tire through low density inner embryo, has improved the comfort level; and the utility model discloses a design mould is got and is put the unit, has improved degree of automation, has improved production efficiency, practices thrift manufacturing cost, in addition passes through the utility model discloses an injection moulding equipment preparation has reduced the defective percentage of tire.
Drawings
Fig. 1 is the front view of the die placing and taking unit structure of the utility model.
Fig. 2 is a side view of the die placing and taking unit structure of the utility model.
Fig. 3 is the utility model discloses the die is put and is got unit structure top view.
Fig. 4 is a top view of the movable plate structure of the present invention.
Fig. 5 is a partially enlarged view of fig. 2 at a.
Fig. 6 is a front view of the injection unit and the compression molding unit of the present invention.
Fig. 7 is a side view of the structure of the injection unit and the compression molding unit of the present invention.
Fig. 8 is a structural plan view of the injection unit and the compression molding unit of the present invention.
Fig. 9 is a schematic diagram of the structure of the middle template for putting and taking.
Fig. 10 is a schematic view of the overall structure of the injection mold of the present invention.
The device comprises a bracket 1, a first air cylinder 2, a guide rod 201, a support plate 3, a guide sleeve 4, a guide pillar 5, a movable plate 6, a double-guide-rod air cylinder 7, a clamping jaw 8, a pressing ring 9, a pressing ring 10 and a screw 11; the device comprises a base 12, an injection tube 1301, an injection head 1302, an intermediate plate 13021, a material nozzle 13022, a material blocking mechanism 1303, a material blocking cylinder 13031, a material blocking rod 13032, an injection screw 1304, a rotary power part 1305, a coupler 1306 and an injection oil cylinder 1307; an injection station 14, an upper template mounting seat 1401, a lower template mounting seat 1402, a mold overturning mechanism 1403, a mold locking mechanism 1404 and a mold clamping mechanism 1405; the device comprises an upper template 15, a middle template 16, an upper mold core or a lower mold core 1601, a lower template 17, a hopper 18, a cylinder 19 of a clamping mechanism, a supporting platform 20 and a hydraulic system 21.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the following specific embodiments. The following description of the embodiments is merely exemplary in nature and is in no way intended to limit the invention. The examples, where specific techniques or conditions are not indicated, are to be construed according to the techniques or conditions described in the literature in the art or according to the product specifications.
Example 1: the embodiment of the utility model provides a dual density solid tyre injection moulding production facility has been described, mainly includes: the injection unit, the compression molding unit and the mold placing and taking unit.
Fig. 1-3 are respectively the utility model discloses the mould is put and is got unit structure front view, side view and top view, it is shown with reference to fig. 1-3, the mould is put and is got the unit and include: support, lifting unit and put and get the subassembly, wherein, lifting unit includes: the guide rod of the first cylinder is fixedly connected with the movable plate through a screw, the movable plate is positioned below the support plate, one end of the guide pillar is movably arranged in the guide sleeve, the other end of the guide pillar is fixedly connected with the movable plate, and the first cylinder drives the movable plate to move up and down; the put and get subassembly includes: the clamping jaw is arranged on the movable plate, a guide rod of the second cylinder is connected with the clamping jaw and drives the clamping jaw to move horizontally to place and take the die.
Preferably, the second cylinder is two guide arm cylinders, and fig. 4 is the utility model discloses movable plate structure plan view, it is shown with reference to fig. 4, the quantity of second cylinder is four, respectively the symmetry set up in on the fly leaf.
Fig. 5 is a partial enlarged view of a position a of fig. 2, and is shown with reference to fig. 5, the other end of the guide pillar is connected to the movable plate through a fastening assembly, the fastening assembly includes: the pressing ring is sleeved on the pressing ring, and the pressing ring is fixedly connected with the movable plate through the screw.
Fig. 6-8 are a front view, a side view and a top view of the injection unit and the compression molding unit, respectively, and referring to fig. 6-8, the injection unit comprises: base and removal set up in injection mechanism on the base, injection mechanism includes: an injection gun for plasticizing and injecting rubber pellets, the injection gun comprising: the injection cylinder is internally provided with an injection cavity; the injection head is arranged at the front end of the injection tube, and an injection channel communicated with the injection cavity is formed in the injection head; the material blocking mechanism is used for opening and closing the injection channel and is arranged on one side of the injection head; the injection screw is sleeved in the injection tube; a rotary power unit connected to the injection screw via a coupling; and an injection cylinder, the coupling axially penetrating the piston of the injection cylinder and being axially arresting, radially rotatably disposed in the piston (not shown). In this embodiment, the coupling and the piston are connected by a thrust bearing. The rotary power part may be a cycloid motor, a five-star motor or an electric machine, in this embodiment an electric machine.
The utility model discloses the working process of injection unit is as follows: firstly, the rotating power part rotates reversely to drive the coupler and the injection screw to rotate reversely, rubber particles falling into the injection tube through the hopper are plasticized and extruded to the front end of the injection tube, the materials generate backward thrust after being extruded fully, and the screw is pushed reversely to slide backwards. At the moment, the coupling is connected with the piston of the injection oil cylinder through the thrust bearing, so that the coupling can rotate freely, namely the piston does not rotate, and the coupling rotates. When the screw rod retreats, the rotary power part, the piston and the coupler are driven to retreat together. When the plasticizing effect and the material quantity are achieved, the injection oil cylinder injects forwards, and meanwhile, the material blocking mechanism opens an injection channel of the injection head, so that the plasticized synthetic rubber granules are extruded from the injection head, and the injection is completed.
According to the utility model discloses a further other embodiments, this injection gun's the injection tube outside can also be provided with temperature control device, including setting up in the heating device of this injection tube periphery wall and setting up in the cooling blower of this injection tube upside. The temperature control device controls the temperature of the injection cylinder to be between 60 ℃ and 120 ℃ so as to melt the synthetic rubber granules.
In this embodiment, the injection head comprises a middle plate disposed at the front end of the injection tube; the material nozzle is vertically arranged at one end of the middle plate; the injection channels are respectively formed on the middle plate and the material nozzle; the putty mechanism includes: the material blocking device comprises a material blocking cylinder arranged on the middle plate and a material blocking rod arranged at the extending end of the material blocking cylinder and inserted into the injection channel of the material nozzle.
In this embodiment, the press molding unit includes: an injection station and an injection mold, the injection station comprising: the lower template mounting seat is arranged on the rack of the equipment and is used for mounting a lower template; an upper template mounting seat which is arranged at the upper side of the lower template mounting seat and is used for mounting an upper template; the mold overturning mechanism is used for overturning the upper mold plate mounting seat to the side of the injection gun, and a hydraulic system and a cylinder drive a transmission belt to move so as to overturn the mold; a mold locking mechanism for locking the upper mold plate from both sides; and the lower template mounting seat is moved to the die assembly mechanism of the upper template mounting seat from bottom to top.
It can be understood that, the mold clamping mechanism of the utility model mainly comprises: the lower template mounting base is driven by the air cylinder to lift, so that the lower template mounting base is driven to move up and down, and the lower template is matched with the upper template or the lower template, the middle template and the upper template.
Fig. 9 is the utility model discloses put and get well template structure sketch map, as shown in fig. 9, injection mold includes cope match-plate pattern and lower bolster, still including setting up the well template between cope match-plate pattern and the lower bolster, through the clamping jaw is right well template is put and is got.
Fig. 10 is the overall structure schematic diagram of the injection mold of the present invention, the upper and lower end faces of the middle mold plate are respectively and symmetrically provided with an upper mold core and a lower mold core, and are correspondingly matched with the upper mold cavity of the upper mold plate and the lower mold cavity of the lower mold plate.
More specifically, the lower template mounting seat and the upper template mounting seat are respectively provided with a die heating device for heating the lower template and the upper template; and a middle template cooling device is arranged above the upper template mounting seat of the injection station, and the middle template is cooled when the clamping jaw takes out the middle template.
According to other embodiments of the present invention, the apparatus further comprises: the hydraulic system provides hydraulic power for the whole machine, and generally comprises a motor, a hydraulic pump driven by the motor, a hydraulic oil tank and an oil way; the electrical system (not shown) provides functions of heating equipment, signal control of the equipment and the like for the whole machine; the water cooling system (not shown) provides cooling for the hydraulic system; the control system (not shown) includes a manual control system and an automatic control system, the automatic control system controls the whole machine to produce according to a predetermined program, and the systems are all conventional devices in the field.
Example 2: in another aspect of the present invention, there is provided a method for preparing dual density solid tire according to the dual density solid tire injection molding production apparatus described above, comprising the steps of:
the method comprises the following steps: adding high-density rubber particles into an injection cylinder, plasticizing the high-density rubber particles by an injection screw, temporarily storing the plasticized high-density rubber particles in an injection cavity, and moving a piston backwards under the pushing of materials;
step two: the upper template, the middle template and the lower template are matched through a matching mechanism and locked by a locking mechanism, an upper half die cavity is formed by an upper die core of the middle template and the upper template, and a lower half die cavity is formed by a lower die core of the middle template and the lower template;
step three: vacuumizing the upper die cavity and the lower die cavity to enable the interior of the die cavity to be in a negative pressure state;
step four: moving the injection mechanism to enable the injection head to be inserted into the upper mold cavity and the lower mold cavity, starting the injection oil cylinder to inject forwards, simultaneously opening an injection channel of the injection head by the material blocking mechanism, injecting the high-density rubber particles temporarily stored in the injection cavity into the upper mold cavity and the lower mold cavity, and standing and molding after injection to obtain a hollow semi-finished product of the upper half tire and a hollow semi-finished product of the lower half tire;
step five: opening the mold locking mechanism, turning the upper mold plate mounting seat through the mold turning mechanism, taking out the middle mold plate through the clamping jaw, putting the foamed and molded low-density rubber or EVA inner tire blank into the lower mold cavity, enabling the size of the low-density rubber or EVA inner tire blank to be consistent with the size of the combined hollow upper half tire semi-finished product and hollow lower half tire semi-finished product, closing the upper mold plate mounting seat through the mold turning mechanism, locking through the mold locking mechanism, and then closing the lower mold plate and the upper mold plate through the mold closing mechanism to form the mold cavity;
step six: vacuumizing the die cavity to enable the die cavity to be in a negative pressure state;
step seven: vulcanizing the low-density rubber or EVA inner tire blank and the high-density rubber particles in the mold cavity;
step eight: and opening the mold locking mechanism, turning over the upper mold plate mounting seat through the mold turning-over mechanism, and taking out the dual-density solid tire.
It can be understood that, the fashioned low density rubber of foaming or EVA inner tube of a tyre embryo also can pass through the utility model discloses the clamping jaw is got to the clamp.
Example 3: in another aspect of the present invention, there is also provided a method for preparing dual density solid tire according to the dual density solid tire injection molding production apparatus described above, comprising the steps of:
the method comprises the following steps: adding high-density rubber particles into an injection cylinder, plasticizing the high-density rubber particles by an injection screw, temporarily storing the plasticized high-density rubber particles in an injection cavity, and moving a piston backwards under the pushing of materials;
step two: the upper template, the middle template and the lower template are matched through a matching mechanism and locked by a locking mechanism, an upper half die cavity is formed by an upper die core of the middle template and the upper template, and a lower half die cavity is formed by a lower die core of the middle template and the lower template;
step three: vacuumizing the upper die cavity and the lower die cavity to enable the interior of the die cavity to be in a negative pressure state;
step four: moving the injection mechanism to enable the injection head to be inserted into the upper mold cavity and the lower mold cavity, starting the injection oil cylinder to inject forwards, simultaneously opening an injection channel of the injection head by the material blocking mechanism, injecting the high-density rubber particles temporarily stored in the injection cavity into the upper mold cavity and the lower mold cavity, and standing and molding after injection to obtain a hollow semi-finished product of the upper half tire and a hollow semi-finished product of the lower half tire;
step five: opening the mold locking mechanism, turning the upper mold plate mounting seat through the mold turning mechanism, taking out the middle mold plate through the clamping jaw, putting the unfoamed and molded low-density rubber or EVA inner tire blank into the lower mold cavity, closing the upper mold plate mounting seat through the mold turning mechanism, locking through the mold locking mechanism, and then closing the lower mold plate and the upper mold plate through the mold closing mechanism to form a mold cavity;
step six: vacuumizing the die cavity to enable the die cavity to be in a negative pressure state;
step seven: injecting air at normal temperature and normal pressure into the mold cavity;
step eight: vulcanizing the low-density rubber or EVA inner tube blank and the high-density rubber particles in the mold cavity, and foaming the low-density rubber or EVA inner tube blank;
step nine: releasing the gas in the die cavity to release pressure, so that the pressure difference between the inside and the outside is 0 Pa;
step ten: and opening the mold locking mechanism, turning over the upper mold plate mounting seat through the mold turning-over mechanism, and taking out the dual-density solid tire.
It can be understood that, the fashioned low density rubber of not foaming or EVA inner tube of a tyre embryo also can pass through the utility model discloses the clamping jaw is got to the clamp.
In the above embodiments of the present invention, the rubber particles are cross-linkable waste rubber or rubber composition, and the specific composition thereof can be found in the chinese utility model patent with application number 2009101502911.
To sum up, the dual density solid tire injection molding production equipment and the preparation method of the utility model, the solid tire mainly comprises the low density inner embryo and the high density outer tire, thereby ensuring the wear resistance and the strength of the tire, increasing the elasticity while reducing the weight of the whole tire through the low density inner embryo, and improving the comfort level; and the utility model discloses a design mould is got and is put the unit, has improved degree of automation, has improved production efficiency, practices thrift manufacturing cost, in addition passes through the utility model discloses an injection moulding equipment preparation has reduced the defective percentage of tire.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that various changes, modifications, substitutions and alterations can be made in the above embodiments by those skilled in the art without departing from the scope of the present invention, and that various changes in the detailed description and applications can be made by those skilled in the art without departing from the spirit of the present invention.
Claims (8)
1. A dual density solid tire injection molding production apparatus comprising: injection unit, moulding-die forming unit and mould are put and are got the unit, its characterized in that, the mould is put and is got the unit and is included: a bracket, a lifting component and a placing and taking component, wherein,
the lifting assembly comprises: the guide device comprises a first air cylinder, a support plate, a guide sleeve, a guide pillar and a movable plate, wherein the first air cylinder is fixed on the support through the support plate, the support plate is provided with a through hole, the guide sleeve is arranged in the through hole, one end of a guide rod of the first air cylinder is connected with the movable plate, the movable plate is positioned below the support plate, one end of the guide pillar is movably arranged in the guide sleeve, the other end of the guide pillar is fixedly connected with the movable plate, and the first air cylinder drives the movable plate to move up and down;
the put and get subassembly includes: the clamping jaw is arranged on the movable plate, a guide rod of the second cylinder is connected with the clamping jaw and drives the clamping jaw to move horizontally to place and take the die.
2. The dual density solid tire injection molding production apparatus of claim 1, wherein the second cylinders are double guide rod cylinders, four in number, symmetrically disposed on the movable plate, respectively.
3. The dual density solid tire injection molding production apparatus of claim 1, wherein the other end of the guide post is connected to the movable plate by a fastening assembly, the fastening assembly comprising: the pressing ring is sleeved on the pressing ring, and the pressing ring is fixedly connected with the movable plate through the screw.
4. The dual density solid tire injection molding production apparatus according to claim 3, wherein the injection unit comprises: base and removal set up in injection mechanism on the base, injection mechanism includes: an injection gun for plasticizing and injecting rubber pellets, the injection gun comprising: the injection cylinder is internally provided with an injection cavity; the injection head is arranged at the front end of the injection tube, and an injection channel communicated with the injection cavity is formed in the injection head; the material blocking mechanism is used for opening and closing the injection channel and is arranged on one side of the injection head; the injection screw is sleeved in the injection tube; a rotary power unit connected to the injection screw via a coupling; and the coupling axially penetrates through a piston of the injection oil cylinder, and is axially stopped and radially and rotatably arranged in the piston.
5. The dual density solid tire injection molding production apparatus of claim 4, wherein the injector head comprises an intermediate plate disposed at a front end of the injection cylinder; the material nozzle is vertically arranged at one end of the middle plate; the injection channels are respectively formed on the middle plate and the material nozzle; the putty mechanism includes: the material blocking device comprises a material blocking cylinder arranged on the middle plate and a material blocking rod arranged at the extending end of the material blocking cylinder and inserted into the injection channel of the material nozzle.
6. The dual density solid tire injection molding production apparatus according to claim 5, wherein the press molding unit comprises: an injection station and an injection mold, the injection station comprising: the lower template mounting seat is arranged on the rack of the equipment and is used for mounting a lower template; an upper template mounting seat which is arranged at the upper side of the lower template mounting seat and is used for mounting an upper template; a mold overturning mechanism for overturning the upper mold plate mounting seat to the injection gun side; a mold locking mechanism for locking the upper mold plate from both sides; and the lower template mounting seat is moved to the die assembly mechanism of the upper template mounting seat from bottom to top.
7. The dual density solid tire injection molding production apparatus of claim 6, wherein the injection mold further comprises a middle mold plate disposed between the upper mold plate and the lower mold plate, the middle mold plate being placed and taken by the clamping jaws.
8. The dual density solid tire injection molding production apparatus of claim 7, wherein the lower template mounting seat and the upper template mounting seat are respectively provided with a mold heating device for heating the lower template and the upper template; and a middle template cooling device is arranged above the upper template mounting seat of the injection station, and the middle template is cooled when the clamping jaw takes out the middle template.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921456432.8U CN211307154U (en) | 2019-09-03 | 2019-09-03 | Dual density solid tyre injection moulding production facility |
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| CN201921456432.8U CN211307154U (en) | 2019-09-03 | 2019-09-03 | Dual density solid tyre injection moulding production facility |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110576558A (en) * | 2019-09-03 | 2019-12-17 | 计文华 | Injection molding production equipment and preparation method for dual-density solid tire |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110576558A (en) * | 2019-09-03 | 2019-12-17 | 计文华 | Injection molding production equipment and preparation method for dual-density solid tire |
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