Adjustable mold for blow molding
阅读说明:本技术 一种用于吹塑成型的可调节模具 (Adjustable mold for blow molding ) 是由 郑炅鑫 于 2019-10-25 设计创作,主要内容包括:本发明公开的一种用于吹塑成型的可调节模具,包括固定模具与滑动模具,所述滑动模具可滑动的位于所述固定模具右侧,所述固定模具内固设有步进电机,所述步进电机右端动力连接有丝杆,所述滑动模具内设有开口向左的连接孔,所述丝杆右端延伸到所述连接孔内且螺纹连接于所述滑动模具,本发明可根据生产的塑料产品的形状,改变模具内吹塑成型的腔的内壁形状,在生产不同的塑料产品时不需要更换模具,节省了生产成本,提高生产效率。(The invention discloses an adjustable mould for blow molding, which comprises a fixed mould and a sliding mould, wherein the sliding mould is slidably positioned on the right side of the fixed mould, a stepping motor is fixedly arranged in the fixed mould, the right end of the stepping motor is in power connection with a screw rod, a connecting hole with a leftward opening is formed in the sliding mould, and the right end of the screw rod extends into the connecting hole and is in threaded connection with the sliding mould.)
1. An adjustable mould for blow molding, which comprises a fixed mould and a sliding mould, wherein the sliding mould is slidably positioned on the right side of the fixed mould, and is characterized in that: a stepping motor is fixedly arranged in the fixed die, the right end of the stepping motor is in power connection with a screw rod, a connecting hole with a leftward opening is formed in the sliding die, and the right end of the screw rod extends into the connecting hole and is in threaded connection with the sliding die; a fixed forming cavity with a right opening is arranged in the fixed die, a movable forming cavity with a left opening is arranged in the sliding die, the upper ends of the fixed die and the sliding die are fixedly connected with fixed blocks, conical holes are formed in the fixed blocks in a vertically through mode, and the conical holes are communicated with the fixed forming cavity and the movable forming cavity downwards; starting the stepping motor, driving the sliding mold to slide leftwards through the screw rod until the sliding mold abuts against the fixed mold, communicating and sealing the fixed molding cavity and the movable molding cavity, and blowing plastics into the fixed molding cavity and the movable molding cavity through the conical holes to enable the plastics to be attached to the inner walls of the fixed molding cavity and the movable molding cavity; air pumps are fixedly arranged in the inner walls of the lower sides of the fixed forming cavity and the movable forming cavity, and when plastics are blown into the fixed forming cavity and the movable forming cavity, the air pumps are started, so that cold air can be blown into the fixed forming cavity and the movable forming cavity, and the forming of the plastics is accelerated; fixed shaping chamber and it moulds the type device to be equipped with in the removal shaping intracavity wall, fixed shaping chamber and remove the plastics of shaping intracavity paste in on the elastic sheet surface in the type device moulds, the elastic sheet has certain elasticity, it is connected with adjusting device to mould type device and keep away from symmetry center one side, adjusting device keeps away from symmetry center one side and is connected with drive arrangement, starts drive arrangement, and then drive adjusting device, and then the shape according to the product changes elastic sheet surface shape, and then can change fixed shaping chamber and remove the shaping shape of plastics in the shaping intracavity.
2. An adjustable mold for blow molding as defined in claim 1 wherein: the driving device comprises gear cavities which are bilaterally symmetrical and are respectively arranged in the fixed die and the sliding die, driving gears are rotatably arranged in the gear cavities, motor shafts are fixedly connected in the driving gears, a driving motor is fixedly arranged in the inner wall of one side of the gear cavity, which is far away from the symmetrical center, and one end of each motor shaft, which is far away from the symmetrical center, is in power connection with the driving motor; one end, close to the symmetry center, of the motor shaft is connected to the adjusting device, the front end and the rear end of the driving gear are symmetrically provided with driven gears in a meshed mode, one end, far away from the symmetry center, of each driven gear is fixedly connected with a fixed shaft, one end, far away from the symmetry center, of each driven gear is rotatably provided with a driving belt wheel, and the driving belt wheel is fixedly connected with the fixed shaft; the internal symmetry of both sides inner wall just is linked together around the gear chamber is equipped with the race, the rotatable driven pulleys that are equipped with in the race, driving pulley with be connected with the connecting band between the driven pulleys, the driven pulleys link firmly the connecting axle, the connecting axle is close to symmetry center one end connect in adjusting device.
3. An adjustable mold for blow molding as defined in claim 2 wherein: the adjusting device comprises three transmission cavities arranged in the inner wall of one side of the gear cavity close to the symmetric center, three chain wheels are rotatably arranged in the transmission cavities, and a chain is connected among the three chain wheels; the motor shaft and one end of the limiting hole close to the symmetrical center extend into the three transmission cavities respectively and are fixedly connected with the chain wheel in the middle; the chain wheel is internally provided with an engaging hole with an opening facing the fixed forming cavity and the movable forming cavity, one side of the chain wheel, which is close to the fixed forming cavity and the movable forming cavity, is rotatably and slidably provided with a sliding wheel, and the sliding wheel can slide into the engaging hole and is connected with the chain wheel; the internal spline of the sliding wheel is connected with a screw rod, and one end of the screw rod, which is close to the fixed forming cavity and the movable forming cavity, is connected with the molding device.
4. An adjustable mold for blow molding as defined in claim 3 wherein: the sliding wheel is close to the fixed forming cavity, one end of the movable forming cavity and the screw are fixedly connected with an electromagnetic spring which is electrified, and then the sliding wheel can be pushed to slide into the meshing hole to be connected with the chain wheel.
5. An adjustable mold for blow molding as defined in claim 3 wherein: mould type device including symmetry and be linked together locate fixed one-tenth die cavity and remove the intercommunication chamber in the shaping intracavity wall, the elastic plate set firmly in the intercommunication intracavity, the intercommunication chamber is kept away from fixed one-tenth die cavity with it has linked firmly nine connecting rods to remove one-tenth die cavity one end, be equipped with the opening in the connecting rod and deviate from fixed one-tenth die cavity with remove the screw hole in one-tenth die cavity, the screw rod is close to fixed one-tenth die cavity with it extends to respectively to remove one-tenth die cavity one end in the screw hole and with connecting rod threaded connection.
6. An adjustable mold for blow molding as defined in claim 5 wherein: the communicating cavity is far away from the fixed forming cavity and is communicated with the inner wall of one side of the movable forming cavity to form nine limiting holes, the connecting rod can slide into the limiting holes, the limiting holes limit the sliding of the connecting rod, and the elastic plate is prevented from being deformed too much.
Technical Field
The invention relates to the field of molds, in particular to an adjustable mold for blow molding.
Background
The mould is used in industrial production to get various moulds and tools of the required products by injection moulding, blow moulding, extrusion, die casting or forging forming, smelting, stamping, etc., in short, the mould is used for making the tool of the shaped article, blow moulding is also called hollow blow moulding, which is a common plastic processing method, the mould used in the existing blow moulding is fixed in shape, and can only be used for producing plastic products of one shape, when plastic products of other shapes need to be produced, the mould needs to be replaced, thus improving the production cost, and the mould replacement takes long time and has low production efficiency, the invention provides an adjustable mould for blow moulding, which can solve the problems, the invention can change the shape of the inner wall of the cavity formed by blow moulding according to the shape of the produced plastic products, and does not need to replace the mould when producing different plastic products, the production cost is saved, and the production efficiency is improved.
Disclosure of Invention
The technical problem is as follows:
when plastic products in different shapes are produced, the mold needs to be replaced, so that the production cost is improved, and the production efficiency is reduced.
In order to solve the problems, the embodiment designs an adjustable mold for blow molding, the adjustable mold for blow molding of the embodiment comprises a fixed mold and a sliding mold, the sliding mold is slidably positioned on the right side of the fixed mold, a stepping motor is fixedly arranged in the fixed mold, the right end of the stepping motor is in power connection with a screw rod, a connecting hole with a left opening is arranged in the sliding mold, the right end of the screw rod extends into the connecting hole and is in threaded connection with the sliding mold, a fixed molding cavity with a right opening is arranged in the fixed mold, a movable molding cavity with a left opening is arranged in the sliding mold, fixed blocks are fixedly connected to the upper ends of the fixed mold and the sliding mold, a tapered hole is vertically communicated in the fixed molding cavity, and the tapered hole is downwards communicated with the fixed molding cavity and the movable molding cavity, starting the stepping motor, further driving the sliding mold to slide leftwards until the sliding mold is abutted against the fixed mold through the screw rod, at the moment, communicating and sealing the fixed molding cavity and the movable molding cavity, blowing plastic into the fixed molding cavity and the movable molding cavity through the conical hole, enabling the plastic to be attached to the inner walls of the fixed molding cavity and the movable molding cavity, fixedly arranging an air pump in the inner walls of the lower sides of the fixed molding cavity and the movable molding cavity, starting the air pump after blowing plastic into the fixed molding cavity and the movable molding cavity, further blowing cold air into the fixed molding cavity and the movable molding cavity, accelerating the molding of the plastic, arranging a molding device in the inner walls of the fixed molding cavity and the movable molding cavity, attaching the plastic in the fixed molding cavity and the movable molding cavity to the surface of an elastic plate in the molding device, the elastic plate has certain elasticity, one side of the molding device, which is far away from the symmetric center, is connected with an adjusting device, one side of the adjusting device, which is far away from the symmetric center, is connected with a driving device, the driving device is started, the adjusting device is further driven, the surface shape of the elastic plate is further changed according to the shape of a product, and then the shape of the plastic molding in the fixed molding cavity and the movable molding cavity can be changed. Beneficially, the driving device comprises a gear cavity which is bilaterally symmetrical and is respectively arranged in the fixed die and the sliding die, a driving gear is rotatably arranged in the gear cavity, a motor shaft is fixedly connected in the driving gear, a driving motor is fixedly arranged in the inner wall of one side of the gear cavity, which is far away from the symmetry center, one end of the motor shaft, which is far away from the symmetry center, is in power connection with the driving motor, one end of the motor shaft, which is close to the symmetry center, is in connection with the adjusting device, driven gears are symmetrically arranged at the front end and the rear end of the driving gear and are meshed with each other, a fixed shaft is fixedly connected at one end of the driven gears, which is far away from the symmetry center, is rotatably provided with a driving pulley, the driving pulley is fixedly connected to the fixed shaft, belt grooves are, the driving belt wheel with be connected with the connecting band between the driven pulleys, link firmly the connecting axle in the driven pulleys, the connecting axle is close to centre of symmetry one end connect in adjusting device starts driving motor, and then passes through the motor shaft drive adjusting device, simultaneously the motor shaft drives the driving gear rotates, and then drives driven gear rotates, and then passes through the fixed axle drives driving belt wheel rotates, and then passes through the connecting band drives driven pulleys rotates, and then passes through the connecting axle drive adjusting device.
Beneficially, the adjusting device comprises three transmission cavities arranged in the inner wall of one side of the gear cavity close to the symmetry center, three chain wheels are rotatably arranged in the transmission cavities, a chain is connected among the three chain wheels, one end of the motor shaft and one end of the limiting hole close to the symmetry center respectively extend into the three transmission cavities and are fixedly connected with the chain wheels in the middle, meshing holes with openings facing the fixed forming cavities and the movable forming cavities are formed in the chain wheels, sliding wheels are rotatably and slidably arranged on one sides of the chain wheels close to the fixed forming cavities and the movable forming cavities, the sliding wheels can slide into the meshing holes and are connected with the chain wheels, screw rods are connected with the sliding wheels through splines in the sliding wheels, one ends of the screw rods close to the fixed forming cavities and the movable forming cavities are connected with the molding device, and the motor shaft and the connecting shaft rotate and drive the chain wheels in the middle to, and the other chain wheels are driven to rotate by the chain, when the sliding wheel slides into the meshing hole and is connected with the chain wheel, the chain wheel rotates and drives the meshing hole to rotate, and then the molding device is driven by the screw rod.
Preferably, an electromagnetic spring is fixedly connected between one end of the sliding wheel, which is close to the fixed forming cavity and the movable forming cavity, and the screw rod, and is electrified, so that the sliding wheel can be pushed to slide into the meshing hole to be connected with the chain wheel.
Beneficially, the molding device includes symmetrical and communicating cavities that are arranged in the fixed molding cavity and the movable molding cavity, the elastic plate is fixedly arranged in the communicating cavity, the communicating cavity is far away from the fixed molding cavity, nine connecting rods are fixedly connected with one end of the movable molding cavity, threaded holes that are provided with openings and deviated from the fixed molding cavity and the movable molding cavity are formed in the connecting rods, the screw rod is close to the fixed molding cavity, one end of the movable molding cavity extends into the threaded holes respectively and is in threaded connection with the connecting rods, the screw rod rotates and drives the connecting rods to slide, and then the elastic plate is pushed and deformed.
Preferably, the communicating cavity is far away from the fixed forming cavity and is communicated with the inner wall of one side of the movable forming cavity to form nine limiting holes, the connecting rod can slide into the limiting holes, the limiting holes limit the sliding of the connecting rod, and the elastic plate is prevented from being deformed too much.
The invention has the beneficial effects that: the invention can change the shape of the inner wall of the cavity formed by blow molding in the mold according to the shape of the produced plastic product, does not need to replace the mold when producing different plastic products, saves the production cost and improves the production efficiency.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
FIG. 1 is a schematic view of an adjustable mold for blow molding according to the present invention;
FIG. 2 is an enlarged schematic view of "A" of FIG. 1;
FIG. 3 is a schematic view of the structure in the direction "B-B" of FIG. 1;
FIG. 4 is a schematic view of the structure in the direction "C-C" of FIG. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-4, for ease of description, the orientations described below will now be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to an adjustable mould for blow moulding, which is mainly applied to producing blow moulded plastic products, and the invention is further explained by combining the attached drawings of the invention:
the invention relates to an adjustable die for blow molding, which comprises a
According to the embodiment, the
According to the embodiment, the adjusting
Advantageously, an
According to an embodiment, the following description is made in detail on the
Advantageously, nine limiting holes 34 are formed in the inner wall of the
The following describes in detail the use steps of an adjustable mold for blow molding according to the present disclosure with reference to fig. 1 to 4:
initially, the fixed
When the device is used, the
At this moment, plastics are blown into the fixed forming
The invention has the beneficial effects that: the invention can change the shape of the inner wall of the cavity formed by blow molding in the mold according to the shape of the produced plastic product, does not need to replace the mold when producing different plastic products, saves the production cost and improves the production efficiency.
In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.
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