Disclosure of Invention
Aiming at the technical problem, the invention provides a die pressing device for producing plastic bottle caps, which comprises a supporting box and a raw material conveying assembly, wherein the raw material conveying assembly is arranged on the supporting box, a forming assembly and a blanking assembly are arranged in the supporting box, the forming assembly comprises a supporting unit, a driving unit, a demoulding unit, a cooling unit, a lifting box, a lower die plate and an upper die, the supporting unit is arranged in the supporting box, the cooling unit and the driving unit are both arranged on the supporting unit, the lifting box is slidably arranged in the supporting box, the lifting box and the lower die plate are both connected with the driving unit, and the lower die plate is slidably arranged in the supporting box; the demolding unit is arranged in the lifting box, and the cooling unit is connected with the lifting box; the blanking assembly comprises a blanking plate I and a stretching unit, the stretching unit is installed in the supporting box, the blanking plate I is installed on the stretching unit, and the stretching unit is connected with the lifting box.
The demolding unit comprises a sliding plate, a third electric cylinder, a sixth supporting plate, an arc-shaped plate, a first spring, a limiting snap ring, a ball screw and a rotating cylinder, the sliding plate is slidably mounted in a lifting box, the sixth supporting plate is fixedly mounted in the lifting box, the third electric cylinder is fixedly mounted on the sixth supporting plate, a piston rod of the third electric cylinder is fixedly connected with the sliding plate, the arc-shaped plate is slidably mounted on the sixth supporting plate, the arc-shaped plate is fixedly connected with the sliding plate, the rotating cylinder is rotatably mounted at the lower end of the arc-shaped plate and is axially fixed relative to the arc-shaped plate, the ball screw is fixedly mounted on the sixth supporting plate, the ball screw is in threaded fit with the rotating cylinder, the limiting snap ring is fixedly mounted in the lifting box, the upper mold is fixedly mounted on the rotating cylinder, the spring is sleeved on the arc-shaped plate, and one end of the first spring is fixedly connected with the upper mold, the other end of the first spring is fixedly connected with the sixth supporting plate.
Further, lower mould board and supporting element sliding connection, it has cooling chamber and a plurality of mould groove to open in the lower mould board, the last inductor of installing of cooling unit, the inside antislip strip that is provided with of spacing snap ring, the arc draw-in groove has been seted up on the rotation section of thick bamboo, arc, spring one, last mould, spacing snap ring, ball, rotation section of thick bamboo all are provided with a plurality ofly, and the bottom of lower mould board is connected with the one end of drain pipe, and the drain pipe is provided with control valve three with lower mould board junction, and the other end of drain pipe is connected with the collecting box, and the collecting box setting is in the inside of supporting box.
Further, the driving unit comprises a first electric cylinder and a second electric cylinder, the first electric cylinder and the second electric cylinder are fixedly mounted on the supporting unit, a piston rod of the first electric cylinder is fixedly connected with the lifting box, and a piston rod of the second electric cylinder is fixedly connected with the lower die plate.
Further, the cooling unit includes cooler bin and conveyer pipe, cooler bin fixed mounting is on the support unit, conveyer pipe one end fixed mounting on the cooler bin, and the conveyer pipe other end sets up in the elevator bin, and when the lower mould board removed under the elevator bin, the cooling chamber intercommunication in conveyer pipe and the lower mould board all is provided with a plurality of conveyer pipes on every cooler bin, the inductor is installed on the cooler bin, be provided with control switch and coolant liquid injection mouth on the cooler bin, be provided with the coolant liquid in the cooler bin, electric jar one, cooler bin, inductor all are provided with two.
Further, tensile unit includes bracing piece and lower flitch two, bracing piece fixed mounting is in the supporting box, two fixed mounting of flitch are on the supporting unit down, two setting of flitch are in flitch below down, flitch a slidable mounting is on the bracing piece down, and one side that supporting box and lower flitch two are connected is provided with the discharge gate, the discharge gate below is provided with the bin.
Further, the stretching unit further comprises a second spring, a support frame, a rotating wheel and a rope, one end of the second spring is fixedly mounted on the support rod, the other end of the second spring is fixedly mounted on the first blanking plate, the support frame is fixedly mounted on the support unit, the rotating wheel is rotatably mounted on the support frame, a groove is formed in the rotating wheel, the rope is wound in the groove of the rotating wheel, one end of the rope is fixedly connected with the lifting box, the other end of the rope is fixedly connected with the first blanking plate, one end of the rope, which is connected with the lifting box, inclines towards the direction of the first blanking plate, the second spring, the support rod, the support frame, the rotating wheel and the rope are all provided with two parts, and inclined planes are arranged on the first blanking plate and the second blanking plate.
Furthermore, the raw material conveying assembly comprises a conveying unit and a distributing unit, the conveying unit and the distributing unit are both installed on the supporting box, the distributing unit is connected with the conveying unit, and the distributing unit injects materials in the conveying unit into the plurality of die grooves in the lower die plate.
Further, the conveying unit comprises a feeding box, a feeding port, a first motor, a heating pipe, a first control valve, a stirring rod, a leakage net and a heating cylinder, the feeding box is fixedly installed on the supporting box, the feeding port and the first motor are installed on the feeding box, the first control valve is installed at the lower end of the feeding box, the heating cylinder is fixedly installed in the feeding box, the stirring rod is arranged in the heating cylinder, the stirring rod is fixedly connected with the first motor through an output shaft, the leakage net is installed at the bottom of the heating cylinder, and the heating pipe is fixedly installed on the heating cylinder.
Further, divide the material unit to include that connecting pipe, motor two, heater, connecting plate, branch workbin, backup pad one, transport case, flood dragon carry the axle, connecting pipe one end and control valve are connected, the connecting pipe other end and transport case intercommunication, motor two, heater, connecting plate, backup pad one, the equal fixed mounting of transport case in the supporting box, divide workbin fixed mounting in backup pad one, divide workbin and transport case intercommunication, divide workbin and transport case all with heater connection, divide and install a plurality of branch material pipes on the workbin, divide material pipe and branch workbin intercommunication, connecting plate and branch material union coupling all are provided with control valve two on every branch material pipe, flood dragon carries the axle setting in the transport case, flood dragon carries the output shaft fixed connection of axle and motor two.
Compared with the prior art, the invention has the beneficial effects that: (1) the raw materials can be heated and insulated through the raw material conveying assembly, so that the temperature required by compression molding of the raw materials is ensured; (2) according to the invention, the raw materials can be rapidly molded by compression through the molding assembly, and a plurality of bottle caps can be molded simultaneously; (3) according to the invention, the formed bottle cap can be stably and efficiently demolded through the demolding assembly, and the bottle cap cannot be damaged; (4) the formed bottle cap can be cooled through the cooling unit, and meanwhile, cooling liquid can be recycled; (5) according to the invention, the demolded bottle caps can be rapidly collected through the blanking assembly, so that the working efficiency is improved.
Detailed Description
The present invention will be further described with reference to specific examples, which are illustrative of the invention and are not to be construed as limiting the invention.
Example (b): referring to fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, a mold pressing apparatus for plastic bottle cap production comprises a supporting box 1, a material conveying assembly 2, the material conveying assembly 2 is mounted on the supporting box 1, a forming assembly 3 and a blanking assembly 4 are mounted in the supporting box 1, the forming assembly 3 comprises a supporting unit, a driving unit, a demoulding unit, a cooling unit, a lifting box 307, a lower mold plate 308, and an upper mold 319, the supporting unit is mounted in the supporting box 1, the cooling unit and the driving unit are mounted on the supporting unit, the lifting box 307 is slidably mounted in the supporting box 1, the lifting box 307 and the lower mold plate 308 are connected with the driving unit, the lower mold plate 308 is slidably mounted in the supporting box 1, the demoulding unit is mounted in the lifting box 307, the cooling unit is connected with the lifting box 307, the blanking assembly 4 comprises a lower plate 401 and a stretching unit, the stretching unit is installed in the supporting box 1, the first blanking plate 401 is installed on the stretching unit, the stretching unit is connected with the lifting box 307, the raw material conveying assembly 2 comprises a conveying unit and a distributing unit, the conveying unit and the distributing unit are both installed on the supporting box 1, the distributing unit is connected with the conveying unit, and the distributing unit injects materials in the conveying unit into a plurality of die grooves in the lower die plate 308.
As shown in fig. 1, 2, 3, and 4, the conveying unit includes a feeding box 201, a feeding port 202, a first motor 203, a heating pipe 207, a first control valve 213, a stirring rod 214, a leakage net 215, and a heating cylinder 217, the feeding box 201 is fixedly installed on the support box 1, the feeding port 202 and the first motor 203 are both installed on the feeding box 201, the first control valve 213 is installed at the lower end of the feeding box 201, the heating cylinder 217 is fixedly installed in the feeding box 201, the stirring rod 214 is disposed in the heating cylinder 217, the stirring rod 214 is fixedly connected with an output shaft of the first motor 203, the leakage net 215 is installed at the bottom of the heating cylinder 217, and the heating pipe 207 is fixedly installed on the heating cylinder 217.
As shown in fig. 1, 2, 3 and 4, the material separating unit includes a connecting pipe 204, a second motor 205, a heater 206, a connecting plate 208 and a material separating box 209, the conveying box comprises a first supporting plate 211, a first conveying box 212 and a flood dragon conveying shaft 216, one end of a first connecting pipe 204 is connected with a first control valve 213, the other end of the connecting pipe 204 is communicated with the first conveying box 212, a second motor 205, a heater 206, a connecting plate 208, the first supporting plate 211 and the first conveying box 212 are all fixedly installed in the supporting box 1, a material distribution box 209 is fixedly installed on the first supporting plate 211, the material distribution box 209 is communicated with the conveying box 212, the material distribution box 209 and the conveying box 212 are all connected with the heater 206, a plurality of material distribution pipes 210 are installed on the material distribution box 209, the material distribution pipes 210 are communicated with the material distribution box 209, the connecting plate 208 is connected with the material distribution pipes 210, a second control valve is arranged on each material distribution pipe 210, the flood dragon conveying shaft 216 is arranged in the conveying box 212, and output shafts of the flood dragon conveying shaft 216 and the second motor 205 are fixedly connected.
As shown in fig. 1, 2, 5, 6, 7, 8, 9, 10, 11, wherein the demolding unit comprises a sliding plate 314, an electric cylinder three 315, a supporting plate six 316, an arc-shaped plate 317, a spring one 318, a limit snap ring 320, a ball screw 321, a rotating cylinder 322, the sliding plate 314 is slidably mounted in the lifting box 307, the supporting plate six 316 is fixedly mounted in the lifting box 307, the electric cylinder three 315 is fixedly mounted on the supporting plate six 316, a piston rod of the electric cylinder three 315 is fixedly connected with the sliding plate 314, the arc-shaped plate 317 is slidably mounted on the supporting plate six 316, the arc-shaped plate 317 is fixedly connected with the sliding plate 314, the rotating cylinder 322 is rotatably mounted at the lower end of the arc-shaped plate 317 and is axially fixed relative to the arc-shaped plate 317, the ball screw 321 is fixedly mounted on the supporting plate six 316, the ball screw 321 is in threaded fit with the rotating cylinder 322, the limit snap ring 320 is fixedly mounted in the lifting box 307, the upper mold 319 is fixedly mounted on the rotating cylinder 322, the first spring 318 is sleeved on the arc-shaped plate 317, one end of the first spring 318 is fixedly connected with the upper die 319, and the other end of the first spring 318 is fixedly connected with the support plate six 316.
As shown in fig. 1, fig. 2, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9, fig. 10, and fig. 11, wherein the lower mold plate 308 is slidably connected to the supporting unit, a cooling cavity and a plurality of mold grooves are formed in the lower mold plate 308, the cooling unit is provided with an inductor 305, the inside of the limiting snap ring 320 is provided with an anti-slip strip, the rotating cylinder 322 is provided with an arc-shaped clamping groove, the arc-shaped plate 317, the first spring 318, the upper mold 319, the limiting snap ring 320, the ball screw 321, and the rotating cylinder 322 are provided with a plurality of grooves, the bottom of the lower mold plate 308 is connected with one end of a drain pipe, a third control valve is arranged at the joint of the drain pipe and the lower mold plate 308, the other end of the drain pipe is connected with a collecting box, and the collecting box is arranged inside the supporting box 1.
As shown in fig. 1, 2, 5, 6, 7, 8, 9, 10, 11, wherein the driving unit includes a first electric cylinder 303 and a second electric cylinder 312, the first electric cylinder 303 and the second electric cylinder 312 are both fixedly mounted on the supporting unit, a piston rod of the first electric cylinder 303 is fixedly connected with the lifting box 307, a piston rod of the second electric cylinder 312 is fixedly connected with the lower mold plate 308, the cooling unit includes a cooling box 304 and a delivery pipe 306, the cooling box 304 is fixedly mounted on the supporting unit, one end of the delivery pipe 306 is fixedly mounted on the cooling box 304, the other end of the delivery pipe 306 is disposed in the lifting box 307, when the lower mold plate 308 moves to a position right below the lifting box 307, the delivery pipe 306 is communicated with a cooling cavity in the lower mold plate 308, each cooling box 304 is provided with a plurality of delivery pipes 306, a sensor 305 is mounted on the cooling box 304, the cooling box 304 is provided with a control switch and a cooling liquid injection port, the cooling box 304 is internally provided with cooling liquid, and the first electric cylinder 303, the cooling box 304 and the inductor 305 are all provided with two.
As shown in fig. 1, 2, 5, 6, 7, 8, 9, 10 and 11, the support unit includes a second support plate 301, a third support plate 302, a guide shaft 309, a limit plate 310, a fourth support plate 311 and a fifth support plate 313, the second support plate 301, the third support plate 302, the limit plate 310, the fourth support plate 311 and the fifth support plate 313 are all fixedly installed in the support box 1, the guide shaft 309 is fixedly installed on the limit plate 310, the lower mold plate 308 is slidably connected with the guide shaft 309, the second electric cylinder 312 is fixedly installed on the fifth support plate 313, the fourth support plate 311 is fixedly connected with the second electric cylinder 312, the first electric cylinder 303 and the cooling box 304 are both fixedly installed on the third support plate 302, the support frame 405 is fixedly installed on the second support plate 301, and the second blanking plate 404 is fixedly installed on the fifth support plate 313.
As shown in fig. 1, 2, 8 and 9, the stretching unit includes a support rod 403 and a second blanking plate 404, the support rod 403 is fixedly installed in the support box 1, the second blanking plate 404 is fixedly installed on the support unit, the second blanking plate 404 is disposed below the first blanking plate 401, the first blanking plate 401 is slidably installed on the support rod 403, a discharge hole is disposed on one side of the support box 1 connected with the second blanking plate 404, and a storage box is disposed below the discharge hole.
As shown in fig. 1, 2, 8, and 9, the stretching unit further includes a second spring 402, a support frame 405, a rotating wheel 406, and a rope 407, one end of the second spring 402 is fixedly mounted on the support bar 403, the other end of the second spring 402 is fixedly mounted on the first blanking plate 401, the support frame 405 is fixedly mounted on the support unit, the rotating wheel 406 is rotatably mounted on the support frame 405, a groove is formed in the rotating wheel 406, the rope 407 is wound in the groove of the rotating wheel 406, one end of the rope 407 is fixedly connected with the lifting box 307, the other end of the rope 407 is fixedly connected with the first blanking plate 401, one end of the rope 407 connected with the lifting box 307 is inclined toward the first blanking plate 401, two ends of the second spring 402, the support bar 403, the support frame 405, the rotating wheel 406, and the rope 407 are provided, and inclined surfaces are provided on the first blanking plate 401 and the second blanking plate 404.
The working principle of the invention is as follows: prismatic protrusions (shown in figure 11) are arranged in the upper die groove of the lower die plate 308 and used for manufacturing anti-skid lines on the outer surface of the bottle cap, initially, the lower die plate 308 is arranged below the connecting plate 208, the material distribution pipe 210 and the die groove on the lower die plate 308 are coaxial, raw materials are injected into the heating cylinder 217 from the feeding port 202, the heating cylinder 217 is heated by the heating pipe 207, the output shaft of the motor I203 drives the stirring rod 214 to rotate, the raw materials are stirred when the stirring rod 214 rotates, so that the raw materials are uniformly heated, the control valve I213 is opened, the raw materials enter the conveying box 212 through the leakage net 215 and the connecting pipe 204, the heater 206 heats the material distribution box 209 and the conveying box 212 to keep the temperature of the raw materials, the output shaft of the motor II 205 drives the conveying screw shaft 216 to rotate, the raw materials in the conveying box 212 are conveyed into the material distribution box 209 when the screw conveying shaft 216 rotates, the control valve II on the material distribution pipe 210 is opened, the raw material flows from the material distribution box 209 through the material distribution pipe 210 into the die groove on the lower die plate 308, and the second control valve is closed after the injection is finished.
The piston rod of the second electric cylinder 312 drives the lower die plate 308 to slide on the guide shaft 309, when the lower die plate 308 moves to contact with the limiting plate 310, the lower die plate 308 is located right below the lifting box 307 (as shown in fig. 8), at this time, the cooling cavity on the lower die plate 308 is communicated with the conveying pipe 306, the die groove on the lower die plate 308 and the upper die 319 are coaxial, the piston rod of the first electric cylinder 303 drives the lifting box 307 to descend, the lifting box 307 drives the arc plate 317 to descend through the sliding plate 314 and the supporting plate six 316, the piston rod of the third electric cylinder 315 applies pressure to the arc plate 317 through the sliding plate 314, the arc plate 317 drives the upper die 319 to descend into the die groove through the rotating cylinder 322, and the raw materials in the die groove are pressed into a bottle cap shape.
Opening a control switch on the cooling box 304, enabling the cooling liquid in the cooling box 304 to flow into a cooling cavity in the lower die plate 308 through the conveying pipe 306 so as to cool the raw material in the die groove, after the cooling is finished, opening a control valve III so as to enable the cooling liquid in the cooling cavity of the lower die plate 308 to be discharged into a collecting box from a water discharge pipe, enabling a piston rod of the first electric cylinder 303 to drive the lifting box 307 to ascend, pulling a rope 407 when the lifting box 307 ascends, enabling the rope 407 to drive the rotating wheel 406 to rotate, enabling the rope 407 to drive the first blanking plate 401 to move on the supporting rod 403, stretching the second spring 402, enabling the first blanking plate 401 to move below the upper die 319 when the lifting box 307 is contacted with the inductor 305, enabling a piston rod of the third electric cylinder 315 to drive the arc plate to ascend through the sliding plate 314, enabling the arc plate 317 to drive the rotating cylinder 317 to ascend, enabling the rotating cylinder 322 to drive the upper die 319 to ascend, enabling the upper die 319 to drive the bottle cap formed by the upper die 319 to ascend, the forming bottle cap is blocked to spacing snap ring 320 under the effect of antislip strip, because a section of thick bamboo 322 and ball 321 screw-thread fit rotate when rotating a section of thick bamboo 322 and rising, under ball 321's effect, it rotates a section of thick bamboo 322 round arc 317, it rises when rotating a section of thick bamboo 322 pivoted, it rises when driving mould 319 pivoted, when last mould 319 rotates to break away from with the bottle cap, the bottle cap falls down, fall down on flitch 401, the inclined plane on flitch two 404 falls into the holding tank through the inclined plane on flitch under from the inclined plane on flitch 401, thereby accomplish the shaping and the drawing of patterns to the bottle cap.