CN108453998A - A kind of injection forming equipment - Google Patents

Abstract

The invention discloses a kind of injection forming equipments, including molding body and the mold cavity being arranged in the molding machine body, the first cavity positioned at the mold cavity left end is equipped in the molding machine body, the injecting cavity positioned at the mold cavity right end is equipped in the molding machine body, right end is equipped with solid plate in the mold cavity, perforation is equipped with the jet port that left and right extends in the solid plate, the jet port right end extending end, which communicates to be equipped with, pours mouth, the mouth right end that pours is communicated with the injecting cavity, the Bottom clamp plate positioned at the solid plate left end is slidably connected in the mold cavity, Bottom clamp plate right end end face is fixedly connected with cushion block symmetrical above and below, it is slidably connected with push plate between two cushion blocks, the first oil pump machine with push plate left end end face be connected by power is embedded in the Bottom clamp plate；The configuration of the present invention is simple, it is easy to operate, it is moved easily and carries, meanwhile, improve injection moulding efficiency and effect.

Description

A kind of injection molding equipment

technical field

The invention relates to the technical field of plastic injection molding, in particular to an injection molding equipment.

Background technique

At present, the size of the horizontal injection molding machine is enlarged, the price is expensive, the structure is complicated, the production speed is slow, the efficiency is low, the operation is complicated, the color variety is small, the shape is simple, the molding size range is small, and the product size is not accurate, because the mold is not easy to replace, The product is not easy to be updated, and the processing field is too limited, which brings troubles to users to constantly replace equipment, and the investment cost is relatively high. Therefore, an injection molding equipment is urgently needed at present.

Contents of the invention

The technical problem to be solved by the present invention is to provide an injection molding equipment, which can solve the above-mentioned problems in the prior art.

The present invention is achieved through the following technical solutions: an injection molding device of the present invention includes a molding body and a mold cavity arranged in the molding body, and the molding body is provided with a first mold cavity located at the left end of the mold cavity. A cavity, the molding body is provided with an injection cavity located at the right end of the mold cavity, the rightmost end of the mold cavity is provided with a fixed plate, the fixed plate is provided with injection ports extending left and right, the injection The extension end of the right end of the mouth is connected with a pouring nozzle, and the right end of the pouring nozzle is connected with the injection cavity, and the movable mold seat plate located at the left end of the fixed formwork is connected with a sliding fit in the mold cavity, and the right end of the movable mold seat plate is The upper and lower symmetrical pads are fixedly connected to the end face, and a push plate is slidably connected between the two pads, and a first oil pump that is dynamically connected to the left end face of the push plate is embedded in the movable die seat plate. A number of guide rods extending to the right and evenly distributed are fixedly connected to the right end surface of the push plate. The guide rods are slidably connected to a backing plate located at the right end of the spacer. The guide rods are slidably connected to a The movable formwork at the right end of the backing plate is provided with a number of cooling water channels through the movable formwork, and the four corners of the movable formwork seat plate are threaded and connected with adjusting threaded rods extending left and right, and the extension ends of the right end of the adjusting threaded rods run through the The backing plate and the fixed plate are connected in rotation with the inner wall of the right end of the mold cavity, the left end of the adjusting threaded rod extends into the first cavity and the end is fixed with a first tooth runner, the The inner wall of the left end of the first cavity is embedded with a first motor, and the right end of the first motor is power-connected with a second toothed wheel for meshing connection with the first toothed wheel. A heater is provided inside, and a first guide slider is slidably connected to the injection cavity, and a second motor is embedded in the first guide slider, and a screw rod is dynamically connected to the left end of the second motor. The screw rod is provided with threads with large intervals, the right end of the first guide slider is connected with a hydraulic system, the top of the injection chamber is provided with a heating barrel with an upward opening, and a melting chamber is provided inside the heating barrel. The bottom of the melting chamber communicates with a discharge port extending downward, the bottom end of the feed port communicates with the injection chamber, and a discharge gate device is provided in the feed port.

As a preferred technical solution, the hydraulic system includes an oil cylinder arranged at the right end of the injection chamber and a second oil pump connected to the oil cylinder and located at the bottom of the oil cylinder, a piston is slidably connected in the oil cylinder, The left end of the piston is fixedly connected with a push rod extending left. Correspondingly, there is a limiter located at the right end of the piston, the inner wall of the right end of the oil cylinder communicates with a first oil pipe, the left end of the oil cylinder communicates with a second oil pipe, and the other end of the first oil pipe communicates with the second oil pipe. The right end of the oil pump is connected through oil, the other end of the second oil pipe is connected with the left end of the second oil pump through oil, the bottom of the second oil pump is provided with an oil chamber, and the bottom end of the second oil pump is connected The third oil pipe extending downward and into the oil chamber, the top of the oil cylinder is provided with an oil pressure regulator, and the oil pressure regulator is electromechanically connected with the second oil pump to realize automatic control of the first guide slider Move to the left to make the screw press and connect the pouring port.

As a preferred technical solution, screws are fixedly connected between the spacer, the backing plate and the movable formwork.

As a preferred technical solution, the discharge gate device includes a discharge gate arranged in the discharge port and a second cavity provided at the right end of the discharge port, the first left and right extending cavity on the discharge gate The rotating shaft, the left end of the first rotating shaft is extended and connected with the inner wall of the left end of the discharge port, the right end of the first rotating shaft is extended into the second cavity and a turbine is fixed at the end, The second cavity is provided with a worm extending back and forth and connected to the turbine power, and the rear end of the worm is connected to a third motor, and the outer surface of the third motor is embedded in the first motor. The inner wall of the rear end of the two cavities is in and fixedly connected with them, and the extension end of the front end of the worm rod is connected with the inner wall of the front end of the second cavity in a rotational fit.

As a preferred technical solution, a heating controller is provided inside the molding body, and the heating controller is electrically connected with the heater and the heating cylinder.

As a preferred technical solution, a machine platform is provided at the bottom of the molding machine body, and a pick-up channel communicating with the inner wall of the bottom of the mold cavity is provided in the machine platform.

The beneficial effect of the present invention is: the present invention is simple in structure, and is easy to operate, and mold cavity is set in molding body, and the left end of mold cavity is set first cavity, and mold cavity is set with injection cavity, and the rightmost end of mold cavity is fixedly set template, The fixed formwork is connected with injection nozzles, and the right end of the injection nozzles is connected with a pouring port. The movable mold seat plate is located at the left end of the fixed formwork in the mold cavity, and the upper and lower symmetrical pads are arranged on the movable mold seat plate. Between the two pads There is a push plate connected by sliding fit, and the first oil pump connected to the left end face of the push plate is set in the movable mold seat plate, and several guide rods extending to the right are arranged on the right end face of the push plate, and the sliding fit connection on the guide rod is located on the pad The right end of the backing plate, the right end of the backing plate is provided with a movable formwork, and there are screws fixedly connected between the spacer, the backing plate and the movable formwork, and the four corners of the movable formwork seat plate are fitted with an adjusting threaded rod extending left and right, and the right end of the adjusting threaded rod extends to the end It runs through the spacer and the fixed template and is connected with the inner wall of the right end of the mold cavity in a rotational fit. One electric motor, the right end of the first motor is connected with the second toothed wheel which meshes with the first toothed wheel, so as to achieve stable mold clamping and mold opening work, strengthen the mold clamping pressure, and improve the molding effect. At the same time, It is easy to replace the mould, there are many types of production, the shape can be from simple to complex, the size can be from large to small, the product size is accurate, the product is easy to replace, and the pick-up is convenient, and the first guide slider is connected by sliding and fitting in the refraction cavity. The first guide slider is embedded with a second motor, and the left end of the second motor is connected to a screw rod extending leftward. The screw rod is provided with threads with large intervals, and a heater is provided on the inner wall of the injection cavity. There is a heating controller, the top of the injection cavity is equipped with a heating cylinder with an upward opening, and a melting cavity is set in the heating cylinder, and the bottom of the melting cavity is connected with a discharge port extending downward and communicating with the injection cavity, and a discharge gate is set in the discharge port The device, the right end of the first guide slider is connected with a hydraulic system to realize fast and stable injection of injection liquid into the mold cavity, high injection pressure, and improved mold molding effect. It is suitable for mass production and complex shape products and other molding processing fields.

Description of drawings

For ease of illustration, the present invention is described in detail by the following specific embodiments and accompanying drawings.

Fig. 1 is a schematic diagram of the overall structure of a kind of injection molding equipment of the present invention;

Fig. 2 is the structural representation of A in Fig. 1;

Fig. 3 is the structural representation of B in Fig. 1;

Fig. 4 is the structural representation of C in Fig. 1;

FIG. 5 is a schematic structural diagram of D in FIG. 4 .

Detailed ways

As shown in Figures 1 to 5, an injection molding device of the present invention includes a molding body 3 and a mold cavity 4 disposed in the molding body 3, and the molding body 3 is provided with a The first cavity 5 at the left end, the molding machine body 3 is provided with an injection cavity 6 located at the right end of the mold cavity 4, the rightmost end of the mold cavity 4 is provided with a fixed template 46, and the fixed template 46 is provided through a There is an injection port 461 extending left and right, the right end of the injection port 461 is connected to a pouring nozzle 64, and the right end of the pouring nozzle 64 is connected to the injection cavity 6, and the mold cavity 4 is slidably connected to a The movable mold seat plate 41 at the left end of the fixed template 45, the right end surface of the movable mold seat plate 41 is fixedly connected with a vertically symmetrical spacer 42, and a push plate 43 is slidably connected between the two spacers 42, and the movable mold seat Embedded in the plate 41 is a first oil pump 411 that is dynamically connected to the left end face of the push plate 43. A number of guide rods 431 that extend to the right and are evenly distributed are fixedly connected to the right end face of the push plate 43. The guide rods 431 is slidably connected with a backing plate 44 located at the right end of the cushion block 42, and the guide rod 431 is slidably connected with a movable template 45 located at the right end of the backing plate 44, and the movable template 45 is provided with a plurality of Cooling water channel 451, the four corners of the movable mold seat plate 41 are threadedly connected with an adjusting threaded rod 47 extending left and right, and the extended end of the right end of the adjusting threaded rod 47 runs through the backing plate 42 and the fixed template 46 and is connected to the fixed template 46 The inner wall of the right end of the mold cavity 4 is rotatably connected, the left end of the adjusting threaded rod 47 extends into the first cavity 5 and the end is fixed with a first gear wheel 51, and the left end of the first cavity 5 The inner wall is embedded with a first motor 53, and the right end of the first motor 53 is power-connected with a second toothed wheel 52 for meshing connection with the first toothed wheel 51, and the inner wall of the injection cavity 6 is A heater 63 is provided inside, and a first guide slider 61 is slidably connected to the injection cavity 6, and a second motor 611 is embedded in the first guide slider 61, and the power at the left end of the second motor 611 is Connected with a screw 62, the screw 62 is provided with threads 621 with large intervals, the right end of the first guide slider 61 is connected with a hydraulic system, and the top of the injection chamber 6 is provided with a heating barrel 8 with an upward opening , the heating barrel 8 is provided with a melting chamber 81, the bottom of the melting chamber 81 communicates with a discharge port 82 extending downward, and the bottom end of the feeding port 82 communicates with the injection chamber 6, the A discharge gate device is provided in the feed port 82 .

Beneficially, the hydraulic system includes an oil cylinder 7 arranged at the right end of the injection chamber 6 and a second oil pump 34 connected with the oil cylinder 7 and located at the bottom of the oil cylinder 7 , and the oil cylinder 7 is connected by a sliding fit There is a piston 71, the left end of the piston 71 is fixedly connected with a push rod 711 extending to the left, and the left end of the push rod 711 extends into the injection cavity 6 and is powered by the right end of the first guide slider 61. connected, the upper and lower inner walls of the oil cylinder 7 are correspondingly provided with a stopper 72 located at the right end of the piston 71, the inner wall of the right end of the oil cylinder 7 is connected with a first oil pipe 73, and the left end of the oil cylinder 7 is connected with a first oil pipe 73. Two oil pipes 74, the other end of the first oil pipe 73 is connected to the right end of the second oil pump 34 through oil, and the other end of the second oil pipe 74 is connected to the left end of the second oil pump 34 through oil. The bottom of the second oil pump 34 is provided with an oil chamber 35, and the bottom end of the second oil pump 34 is connected to the third oil pipe 341 extending downward and extending into the oil chamber 35. The top of the oil cylinder 7 is provided with an oil pressure Regulator 33, the oil pressure regulator 33 is electrically connected with the second oil pump 33 to realize automatic control of the first guide slider 61 to move to the left, so that the screw rod 62 is pressed against the pouring port 64 to increase the pouring pressure and prevent Reflow, improve pouring quality.

Beneficially, a screw 48 is fixedly connected between the spacer 42, the backing plate 44 and the movable template 45, which facilitates the replacement of the mould, and facilitates the opening of the mould.

Beneficially, the discharge gate device includes a discharge gate 821 disposed in the discharge port 82 and a second cavity 36 disposed at the right end of the discharge port 82, and the discharge gate 821 extends left and right. The first rotating shaft 822, the extension end of the left end of the first rotating shaft 822 is rotatably connected with the inner wall of the left end of the discharge port 82, and the extension end of the right end of the first rotating shaft 822 extends into the second cavity 36 And a turbine 361 is fixed at the end, and a worm 362 extending forward and backward and connected to the turbine 361 is provided in the second cavity 36 , and a third motor 363 is connected to the end of the extension of the worm 362 in power. The outer surface of the third motor 363 is embedded in the inner wall of the rear end of the second cavity 36 and is fixedly connected thereto, and the extended end of the front end of the worm rod 362 is rotatably connected with the inner wall of the front end of the second cavity 36 , to realize the automatic and stable control of the opening and closing of the discharge gate 821, which is convenient for sending the plasticized molten plastic into the injection cavity 6 to prevent blockage.

Beneficially, the molding machine body 3 is provided with a heating controller 32, which is electrically connected with the heater 63 and the heating cylinder 8, so as to control viscous flow and maintain a molten state, thereby improving injection efficiency.

Beneficially, a machine platform 31 is provided at the bottom of the molding machine body 3, and a pick-up channel 311 communicated with the inner wall of the bottom of the mold cavity 4 is provided in the machine table 31, which facilitates pick-up, and the lifting device works continuously.

In the initial state, the piston 71 is located at the right end of the oil cylinder 71 and abuts against the stopper 72. At this time, the first guide slider 61 is located at the rightmost end of the injection chamber 6, the screw 63 is far away from the pouring port 64, and the discharge gate 821 is in a vertical state. , so that the discharge port 82 is fully open, the movable mold base plate 41 is located at the leftmost end of the mold cavity 4, and the left end surface of the push plate 43 abuts against the right end surface of the movable mold base plate 41.

When injection molded plastic parts need to work, control the third motor 363 to drive the worm 362 to rotate, the worm 362 to drive the turbine 361 to rotate, the turbine 361 to drive the first rotating shaft 822 to rotate, the first rotating shaft 822 to drive the discharge gate 821 to rotate, The discharge port 82 is completely closed. At this time, the third motor 363 is controlled to stop running. At the same time, the granular plastic is put into the heating cylinder 8. The heating controller 32 controls the heating cylinder 8 and the heater 63 to heat, and the heating cylinder 8 is heated. When the plastic is completely plasticized to a molten state, it is necessary to close the mold. The first motor 53 is controlled to drive the second tooth runner 52 to rotate, and the second tooth runner 52 drives the first tooth runner 51 to rotate, and the first tooth runner 51 Drive the adjustment threaded rod 47 to rotate, so that the movable mold seat plate 41 moves to the right, so that the movable template 45 and the fixed template 4 are molded together. The plastic enters the injection cavity 6 through the discharge port 82 and fills the gap between the threads on the screw rod 62. At this time, the oil pressure regulator 33 controls the operation of the second oil pump 34 so that the first oil pipe 73 is filled with oil and flows into the oil cylinder 7 Inside, the piston 71 is moved to the left, the piston 71 drives the push rod 711 to move to the left, the push rod 711 drives the first guide slider 61 to move to the left, and the first guide slider 61 drives the screw rod 62 to move to the left, so that the left end of the screw rod 62 and the pouring port 64 embedding, at the same time, control the second motor 611 to drive the screw 62 to rotate, so that the molten plastic is quickly injected into the pouring port 64 and enters the injection nozzle 461 into the mold cavity after the mold is closed. Cooling water accelerates the cooling and molding of the formed parts. When the mold needs to be opened after the molding is complete, the first motor 53 is controlled to drive the second tooth runner 52 to reverse, the second tooth runner 52 drives the first tooth runner 51 to reverse, and the second tooth runner 52 The one-tooth runner 51 drives the adjusting threaded rod 47 to rotate backward, so that the movable mold seat plate 41 moves to the left, so that the movable mold plate 45 is separated from the fixed platen 46. When the movable mold seat plate 41 moves to the leftmost end in the injection cavity 4 , control the first motor 53 to stop running, and at the same time, control the first oil pump 411 to drive the push plate 43 to move to the right, and the push plate 43 drives the guide rod 431 to move to the right, thereby pushing out the molded part, and the formed part will slide out through the pick-up channel 311, Thereby completing a complete injection molding work in one step.

The beneficial effect of the present invention is: the present invention is simple in structure, and is easy to operate, and mold cavity is set in molding body, and the left end of mold cavity is set first cavity, and mold cavity is set with injection cavity, and the rightmost end of mold cavity is fixedly set template, The fixed formwork is connected with injection nozzles, and the right end of the injection nozzles is connected with a pouring port. The movable mold seat plate is located at the left end of the fixed formwork in the mold cavity, and the upper and lower symmetrical pads are arranged on the movable mold seat plate. Between the two pads There is a push plate connected by sliding fit, and the first oil pump connected to the left end face of the push plate is set in the movable mold seat plate, and several guide rods extending to the right are arranged on the right end face of the push plate, and the sliding fit connection on the guide rod is located on the pad The right end of the backing plate, the right end of the backing plate is provided with a movable formwork, and there are screws fixedly connected between the spacer, the backing plate and the movable formwork, and the four corners of the movable formwork seat plate are fitted with an adjusting threaded rod extending left and right, and the right end of the adjusting threaded rod extends to the end It runs through the spacer and the fixed template and is connected with the inner wall of the right end of the mold cavity in a rotational fit. One electric motor, the right end of the first motor is connected with the second toothed wheel which meshes with the first toothed wheel, so as to achieve stable mold clamping and mold opening work, strengthen the mold clamping pressure, and improve the molding effect. At the same time, It is easy to replace the mould, there are many types of production, the shape can be from simple to complex, the size can be from large to small, the product size is accurate, the product is easy to replace, and the pick-up is convenient, and the first guide slider is connected by sliding and fitting in the refraction cavity. The first guide slider is embedded with a second motor, and the left end of the second motor is connected to a screw rod extending leftward. The screw rod is provided with threads with large intervals, and a heater is provided on the inner wall of the injection cavity. Equipped with a heating controller, the top of the injection chamber is provided with a heating cylinder with an upward opening, and a melting chamber is installed in the heating cylinder, and the bottom of the melting chamber is connected with a discharge port extending downward and communicating with the injection chamber, and a discharge gate is arranged in the discharge port The device, the right end of the first guide slider is connected with a hydraulic system to realize fast and stable injection of injection liquid into the mold cavity, high injection pressure and improved mold molding effect, suitable for mass production and complex shape products and other molding processing fields.

The above is only a specific implementation of the present invention, but the scope of protection of the present invention is not limited thereto, and any changes or replacements that do not come to mind through creative work shall be covered within the scope of protection of the present invention. Therefore, the protection scope of the present invention should be determined by the protection scope defined in the claims.

Claims (6)

1. An injection molding device, comprising a molding body and a mold cavity arranged in the molding body, characterized in that: the molding body is provided with a first cavity positioned at the left end of the mold cavity, and the molding body An injection cavity located at the right end of the mold cavity is provided inside, a fixed template is provided at the far right end of the mold cavity, and an injection port extending left and right is connected through the fixed template, and a pouring port is provided at the extension end of the right end of the injection port. Nozzle, the right end of the pouring nozzle communicates with the injection cavity, the movable mold seat plate located at the left end of the fixed formwork is connected with sliding fit in the mold cavity, and the right end surface of the movable mold seat plate is fixedly connected with a vertically symmetrical pad A push plate is slidably connected between the two pads, and a first oil pump connected to the left end face of the push plate is embedded in the movable mold base plate, and a first oil pump is fixedly connected to the right end face of the push plate. A number of guide rods extending to the right and equally distributed, the guide rods are slidably connected to the backing plate located at the right end of the spacer, and the guide rods are slidably connected to the movable template located at the right end of the backing plate. A number of cooling water channels are provided through the movable formwork, and the four corners of the movable formwork base plate are threadedly connected with adjusting threaded rods extending left and right, and the right end of the adjusting threaded rods extends through the backing plate and the fixed formwork. It is rotatably connected with the inner wall of the right end of the mold cavity, the left end of the adjusting threaded rod extends into the first cavity and a first toothed wheel is fixed at the end, and the inner wall of the left end of the first cavity is embedded A first motor is provided, and the right end of the first motor is connected with a second toothed wheel for meshing connection with the first toothed wheel, and a heater is arranged in the circumferential inner wall of the injection chamber. The injection cavity is slidably connected with a first guide slider, and a second motor is embedded in the first guide slider. Thread, the right end of the first guide slider is connected with a hydraulic system, the top of the injection chamber is provided with a heating barrel with an upward opening, the heating barrel is provided with a melting chamber, and the bottom of the melting chamber is connected with a The discharge port extending downwards, the bottom end of the feed port communicates with the injection cavity, and a discharge gate device is arranged in the feed port. 2. The injection molding equipment according to claim 1, wherein the hydraulic system includes an oil cylinder arranged at the right end of the injection cavity and a second oil cylinder connected with the oil cylinder and located at the bottom of the oil cylinder. For an oil pump machine, a piston is slidably connected to the oil cylinder, and the left end of the piston is fixedly connected to a push rod extending to the left. The power connection at the right end of the block, the upper and lower inner walls of the oil cylinder are correspondingly provided with a limiter located at the right end of the piston, the inner wall of the right end of the oil cylinder is connected with a first oil pipe, and the left end of the oil cylinder is connected with a second oil pipe , the other end of the first oil pipe is connected to the right end of the second oil pump through oil, the other end of the second oil pipe is connected to the left end of the second oil pump through oil, and the bottom of the second oil pump is provided with The bottom end of the second oil pump is connected to the third oil pipe that extends downwards and extends into the oil chamber. An oil pressure regulator is provided on the top of the oil cylinder, and the oil pressure regulator is connected to the first oil pressure regulator. The electromechanical connection of the two oil pumps realizes the automatic control of the first guide slider to move to the left, so that the screw rods can be pressed together to connect the pouring port. 3. The injection molding equipment according to claim 1, characterized in that: screws are fixedly connected between the spacer, the spacer plate and the movable platen. 4. The injection molding equipment according to claim 1, characterized in that: the discharge gate device includes a discharge gate arranged in the discharge port and a second space provided at the right end of the discharge port. Cavity, the first rotating shaft extending left and right on the discharge gate, the left extension end of the first rotation shaft is connected with the inner wall of the left end of the discharge port in rotation, and the extension end of the right end of the first rotation shaft extends into the A turbine is fixed at the end of the second cavity, and a worm extending back and forth and connected to the turbine is provided in the second cavity, and the rear end of the worm is connected with a third motor for power, The outer surface of the third motor is embedded in the inner wall of the rear end of the second cavity and is fixedly connected thereto, and the extension end of the front end of the worm is rotationally fitted with the inner wall of the front end of the second cavity. 5 . The injection molding equipment according to claim 1 , wherein a heating controller is provided inside the molding body, and the heating controller is electrically connected with the heater and the heating cylinder. 5 . 6 . The injection molding equipment according to claim 1 , wherein a machine platform is provided at the bottom of the molding machine body, and a pick-up channel communicating with the inner wall of the bottom of the mold cavity is provided in the machine platform. 7 .