CN113696439A

CN113696439A - High-effect injection molding machine

Info

Publication number: CN113696439A
Application number: CN202110956403.3A
Authority: CN
Inventors: 徐郑; 胡玉; 张烁
Original assignee: Individual
Current assignee: Taishan Runcheng Plastic Products Co ltd
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2021-11-26
Anticipated expiration: 2041-08-19
Also published as: CN113696439B

Abstract

The invention relates to the field of injection molding machines, in particular to a high-efficiency injection molding machine. The invention adopts a plurality of moulds and a plurality of steps to be simultaneously carried out, thereby reducing the time of the whole injection molding process, improving the injection molding efficiency, reducing the temperature of the mould and heating the mould besides cooling the mould, thereby prevent to cross because of the mould cooling back temperature is low excessively, the liquefied plastics that gets into the mould earlier when leading to moulding plastics solidify too fast, and the mould can not fully be filled up to the liquefied plastics that the back got into, leads to the condition that finished product quality is not up to standard, can also cool down once more to the finished product, prevents that off-the-shelf temperature from scalding the staff.

Description

High-effect injection molding machine

Technical Field

The invention relates to the field of injection molding machines, in particular to a high-efficiency injection molding machine.

Background

An injection molding machine, also known as an injection molding machine or an injection molding machine, is a main molding device for molding thermoplastic plastics or thermosetting plastics into plastic products of various shapes by using a plastic molding mold. The injection molding machine can heat the plastic, apply high pressure to the molten plastic, and inject it to fill the mold cavity.

In general, in the injection molding machine on the market, after the injection is finished, the next injection can be performed only after the liquefied plastic in the mold is cooled, shaped and demoulded, and the processing time is long and the efficiency is not high; in a general injection molding machine, a mold needs to be cooled when injection molding is finished, then demolding is carried out, and when injection molding is carried out again, since the mold is cooled and the temperature is low, liquefied plastic injected into the mold first is solidified too fast when meeting condensation, the mold cannot be completely filled with the later-entered liquefied plastic easily, and the product quality is unqualified; in addition, when the finished product after demoulding of a common injection moulding machine is directly taken out, the residual heat easily scalds workers.

Disclosure of Invention

In order to solve the problems, the invention provides a high-efficiency injection molding machine which can solve the problems in the background technology, wherein the injection molding machine adopts a plurality of molds and multiple steps to be simultaneously carried out, the time of the whole injection molding process is reduced, the injection molding efficiency is improved, the molds can be cooled and can be heated, so that the condition that the liquefied plastic entering the molds at first is solidified too fast during injection molding due to too low temperature after the molds are cooled, the molds cannot be fully filled with the liquefied plastic entering the molds later, and the quality of finished products cannot reach the standard is prevented.

In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: the utility model provides a high-effect injection molding machine, includes mold closing device, attemperator, unloader and the organism of moulding plastics, and the organism of moulding plastics settles subaerial, and mold closing device fixes in the bottom central authorities of the organism of moulding plastics, and one side of mold closing device is equipped with attemperator, and attemperator is fixed to be set up in the inside of the organism of moulding plastics, and attemperator's centre is equipped with unloader, and unloader is located the bottom of the organism of moulding plastics.

The mold closing device comprises a motor, a mold, a rotating shaft and a base, the base is fixed to the bottom of the injection molding machine body, the rotating shaft is arranged right above the base, the mold is fixedly arranged on the outer wall of the rotating shaft and surrounds the rotating shaft, the motor is arranged at the top of the rotating shaft, and the motor is fixedly arranged on the injection molding machine body.

Furthermore, the temperature adjusting device comprises a fan, an air inlet pipe, a heating cavity and a cooling cavity, the fan is fixedly arranged inside the injection molding machine body, the fan is located on one side of the first motor, the air inlet pipe is arranged on two sides of the fan, one end of the air inlet pipe is fixedly connected to the fan, the other end of the air inlet pipe penetrates through the injection molding machine body, the heating cavity is located on one side of the blanking device, and the cooling cavity is located on the other side of the blanking device.

Further, unloader includes the outer wall, connect the flitch, flexible bracing piece, the leading wheel, No. two motors and drive belt, the fixed inside that sets up at the organism of moulding plastics of outer wall, be equipped with on the outer wall and connect the flitch, the one end that connects the flitch rotates with the outer wall to be connected, the one end of the flexible bracing piece of bottom surface middle part fixed connection that connects the flitch, the other end fixed connection of flexible bracing piece is on the outer wall, the both sides that connect the flitch are equipped with the leading wheel, the both ends fixed connection of leading wheel is on the outer wall, the outside of leading wheel is encircleed and is equipped with the drive belt, the drive belt is connected on No. two motors, No. two motors are fixed to be set up on the outer wall.

Further, the mould includes hydraulic stem, thimble, interior mould, outer mould, bracing piece and base, and base fixed connection is equipped with the hydraulic stem in the pivot on the base, and the inside of hydraulic stem is equipped with the thimble, and the one end of thimble runs through the base, and the other end of thimble is located the inside of inner mould, and inner mould fixed connection is in the one end of hydraulic stem, and the outside of inner mould is equipped with outer mould, and outer mould fixed connection is served at the bracing piece, bracing piece other end fixed connection base.

Further, the pivot includes axostylus axostyle, spring and kicking block, and the axostylus axostyle upper end is connected in the drive shaft of motor, and the lower extreme of axostylus axostyle rotates and connects the base, and the inside of axostylus axostyle transversely is equipped with the kicking block, and the one end of kicking block runs through the axostylus axostyle, and the other end fixed connection of kicking block is served at the one end that connects the spring, and the other end fixed connection axostylus axostyle of spring, the one end that the kicking block runs through the axostylus axostyle face the one end of thimble.

Furthermore, the top of heating chamber is equipped with the fan No. one, and No. one the fan is connected on one side air-supply line, and the top of cooling chamber is equipped with the fan No. two, and No. two fans are connected on the opposite side air-supply line.

Further, flexible bracing piece includes push rod, compression spring, gasbag, admission valve and trachea, and the one end fixed connection of push rod is on the outer wall, and the other end of push rod faces compression spring, and compression spring's centre is equipped with the gasbag, is equipped with the admission valve on the gasbag, and the one end of admission valve runs through flexible bracing piece, is equipped with the trachea on the gasbag, and tracheal one end through connection gasbag, tracheal other end fixed connection connect the bottom surface of flitch, connect and have seted up the bleeder vent on the flitch.

The invention has the beneficial effects that:

1: according to the high-efficiency injection molding machine provided by the invention, the arranged molds split the injection molding process of the traditional injection molding machine, the injection molding process is firstly carried out, then the cooling is carried out, finally the demolding is carried out, a plurality of molds are changed, the multiple steps are simultaneously carried out, after the injection molding of one mold is finished, the injection molding of the other mold is carried out, so that the time of the whole injection molding process is reduced, and the injection molding efficiency is improved.

2: according to the high-efficiency injection molding machine provided by the invention, the temperature adjusting device can be used for cooling the mold and heating the mold, so that the condition that the liquefied plastic which enters the mold firstly is solidified too fast during injection molding and cannot fully fill the mold later due to too low temperature after the mold is cooled is prevented, and the quality of a finished product cannot reach the standard.

3: according to the high-efficiency injection molding machine provided by the invention, the discharging device is arranged, finished products can be automatically collected during injection molding, the condition that injection molding is stopped during material taking is avoided, the finished products can be cooled again, and workers are prevented from being scalded by residual heat of the finished products.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a perspective view of a high performance injection molding machine according to the present invention;

FIG. 2 is a cross-sectional view taken in the direction A-A of FIG. 1 in accordance with the present invention;

FIG. 3 is a perspective view of a mold clamping apparatus according to the present invention;

FIG. 4 is a perspective view of a thermostat provided by the present invention;

FIG. 5 is a perspective view of the blanking device provided by the present invention;

FIG. 6 is a plan view of a blanking unit provided in the present invention;

FIG. 7 is a schematic cross-sectional view of a mold provided by the present invention;

FIG. 8 is a schematic cross-sectional view of a spindle provided in accordance with the present invention;

FIG. 9 is a cross-sectional view taken in the direction B-B of FIG. 4 in accordance with the present invention;

fig. 10 is a schematic cross-sectional view of the telescopic supporting rod provided by the present invention.

In the figure: 1. a mold clamping device; 11. a first motor; 12. a mold; 121. a hydraulic lever; 122. a thimble; 123. an inner mold; 124. an outer mold; 125. a support bar; 126. a base; 13. a rotating shaft; 131. a shaft lever; 132. a spring; 133. a top block; 14. a base; 2. a temperature adjusting device; 21. a fan; 22. an air inlet pipe; 23. a heating cavity; 231. a first fan; 24. a cooling chamber; 241. a second fan; 3. a blanking device; 31. an outer wall; 32. a material receiving plate; 33. a telescopic support rod; 331. a push rod; 332. a compression spring; 333. an air bag; 334. an intake valve; 335. an air tube; 34. a guide wheel; 35. a second motor; 36. a transmission belt; 4. and (4) injection molding the machine body.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

As shown in fig. 1 to 10, a high-performance injection molding machine comprises a mold closing device 1, a temperature adjusting device 2, a discharging device 3 and an injection molding machine body 4, and is characterized in that the injection molding machine body 4 is arranged on the ground, the mold closing device 1 is fixed in the center of the bottom of the injection molding machine body 4, the temperature adjusting device 2 is arranged on one side of the mold closing device 1, the temperature adjusting device 2 is fixedly arranged inside the injection molding machine body 4, the discharging device 3 is arranged in the middle of the temperature adjusting device 2, and the discharging device 3 is located at the bottom of the injection molding machine body 4.

The mold closing device 1 comprises a motor 11, a mold 12, a rotating shaft 13 and a base 14, the base 14 is fixed at the bottom of the injection molding machine body 4, the rotating shaft 13 is arranged right above the base 14, the mold 12 is fixedly arranged on the outer wall of the rotating shaft 13, the mold 12 is arranged around the rotating shaft 13, the motor 11 is arranged at the top of the rotating shaft 13, and the motor 11 is fixedly arranged on the injection molding machine body 4.

The temperature adjusting device 2 comprises a fan 21, an air inlet pipe 22, a heating cavity 23 and a cooling cavity 24, the fan 21 is fixedly arranged inside the injection molding machine body 4, the fan 21 is positioned on one side of the first motor 11, the air inlet pipe 22 is arranged on two sides of the fan 21, one end of the air inlet pipe 22 is fixedly connected onto the fan 21, the other end of the air inlet pipe 22 penetrates through the injection molding machine body 4, the heating cavity 23 is positioned on one side of the blanking device 3, and the cooling cavity 24 is positioned on the other side of the blanking device 3.

Unloader 3 includes outer wall 31, connect flitch 32, flexible bracing piece 33, leading wheel 34, No. two motor 35 and drive belt 36, the fixed inside that sets up at the organism 4 of moulding plastics of outer wall 31, be equipped with on the outer wall 31 and connect flitch 32, the one end that connects flitch 32 rotates with outer wall 31 to be connected, the one end of the flexible bracing piece 33 of bottom surface middle part fixed connection that connects flitch 32, the other end fixed connection of flexible bracing piece 33 is on outer wall 31, the both sides that connect flitch 32 are equipped with leading wheel 34, the both ends fixed connection of leading wheel 34 is on outer wall 31, the outside of leading wheel 34 is encircleed and is equipped with drive belt 36, drive belt 36 is connected on No. two motor 35, No. two motor 35 are fixed to be set up on outer wall 31.

The mold 12 includes a hydraulic rod 121, a thimble 122, an inner mold 123, an outer mold 124, a support rod 125 and a base 126, the base 126 is fixedly connected to the rotating shaft 13, the hydraulic rod 121 is disposed on the base 126, the thimble 122 is disposed in the hydraulic rod 121, one end of the thimble 122 penetrates through the base 126, the other end of the thimble 122 is disposed in the inner mold 123, the inner mold 123 is fixedly connected to one end of the hydraulic rod 121, the outer mold 124 is disposed on the outer side of the inner mold 123, the outer mold 124 is fixedly connected to one end of the support rod 125, and the other end of the support rod 125 is fixedly connected to the base 126.

The rotating shaft 13 includes a shaft 131, a spring 132 and a top block 133, the upper end of the shaft 131 is connected to the driving shaft of the motor 11, the lower end of the shaft 131 is rotatably connected to the base 14, the top block 133 is transversely disposed inside the shaft 131, one end of the top block 133 penetrates through the shaft 131, the other end of the top block 133 is fixedly connected to one end of the spring 132, the other end of the spring 132 is fixedly connected to the shaft 131, and one end of the top block 133 penetrating through the shaft 131 faces one end of the thimble 122.

The first fan 231 is arranged at the top of the heating cavity 23, the first fan 231 is connected to the air inlet pipe 22 on one side, the second fan 241 is arranged at the top of the cooling cavity 24, and the second fan 241 is connected to the air inlet pipe 22 on the other side.

The telescopic support rod 33 comprises a push rod 331, a compression spring 332, an air bag 333, an air inlet valve 334 and an air pipe 335, one end of the push rod 331 is fixedly connected to the outer wall 31, the other end of the push rod 331 faces the compression spring 332, the air bag 333 is arranged in the middle of the compression spring 332, the air inlet valve 334 is arranged on the air bag 333, one end of the air inlet valve 334 penetrates through the telescopic support rod 33, the air pipe 335 is arranged on the air bag 333, one end of the air pipe 335 is connected with the air bag 333 in a penetrating mode, the other end of the air pipe 335 is fixedly connected with the bottom surface of the material receiving plate 32, and air holes are formed in the material receiving plate 32.

The working principle is as follows:

when the injection molding machine starts to work, the first motor 11 is started to drive the rotating shaft 13 to rotate, so that the molds 12 are driven to rotate, when one mold 12 rotates to an injection port, the hydraulic rod 121 pushes the inner mold 123 outwards until the inner mold is attached to the outer mold 124, at the moment, molten plastic starts to be injected into the mold 12, after the injection is completed, the mold 12 rotates into the cooling cavity 24, at the moment, the next mold 12 rotates to the injection port position, and the injection is continuously received; when the mold 12 rotates into the cooling cavity 24, the blower 21 is started, air enters the cooling cavity 24 through one of the air inlet pipes 22, the second fan 241 rotates to cool the injected mold 12, the mold 12 continues to rotate into the blanking device 3 after cooling, then the hydraulic rod 121 contracts to separate the inner mold 123 from the outer mold 124, at this time, the ejector pins 122 in the mold 12 also rotate along with the mold 12 and contact with the ejector blocks 133 in the shaft 131, and the ejector blocks 133 are ejected outwards under the action of the springs 132, so that the ejector pins 122 are pushed outwards to eject the finished product in the inner mold 123. The finished product falls after being ejected, falls onto the material receiving plate 32, the material receiving plate 32 is pressed downwards under the action of gravity, the telescopic support rod 33 connected to the material receiving plate 32 begins to contract, the material receiving plate 32 inclines, the finished product slides to the position for receiving the finished product along with the material receiving plate 32, and after the finished product slides away from the material receiving plate 32, the telescopic support rod 33 is propped open under the action of the compression spring 332 to reset the material receiving plate 32; when the telescopic supporting rod 33 is compressed, the push rod 331 pushes inwards, the compression spring 332 compresses inwards, the air bag 333 is extruded, the air bag 333 releases air, the air flows to the material receiving plate 32 along with the air pipe 335, due to the fact that the material receiving plate 32 is provided with the air holes, the air flow can cool the finished product on the material receiving plate 32 again, the situation that the finished product burns a worker due to residual heat is avoided, when the telescopic supporting rod 33 resets, the compression spring 332 does not extrude the air bag 333 any more, and the air enters the air bag 333 through the air inlet valve 334 to supplement the air; when the finished product deviates from the material receiving plate 32 and slides towards two sides, the finished product contacts the guide wheel 34, the guide wheel 34 is driven by the second motor 35 to be in a rotating state, and when the finished product contacts the guide wheel 34, the rotating guide wheel 34 drives the finished product to continue to move forwards, so that the finished product is prevented from deviating from a set position.

After the finished product in the mold 12 is ejected, the mold 12 continues to rotate to the heating cavity 23, gas generated by the fan 21 enters the heating cavity 23 through another air inlet pipe 22, a heating wire is arranged at the air inlet of the heating cavity 23 and can be used for heating the gas, and then the first fan 231 rotates to carry out heating treatment on the mold 12, so that the situation that the liquefied plastic which enters the mold 12 at first is solidified too fast during injection due to too low temperature after the mold 12 is cooled is prevented, the mold 12 cannot be fully filled with the entering liquefied plastic, the quality of the finished product cannot reach the standard, and the mold 12 continues to rotate to the injection port position for injection after being heated; the plurality of rotating molds 12 are respectively subjected to injection molding, cooling, blanking and heating, so that the condition that the injection molding can be continued only after the molds 12 are cooled and demoulded when a common injection molding machine performs injection molding is avoided, and the injection molding efficiency is improved.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A high-efficiency injection molding machine comprises a mold closing device (1), a temperature regulating device (2), a blanking device (3) and an injection molding machine body (4), and is characterized in that the injection molding machine body (4) is arranged on the ground, the mold closing device (1) is fixed in the center of the bottom of the injection molding machine body (4), the temperature regulating device (2) is arranged on one side of the mold closing device (1), the temperature regulating device (2) is fixedly arranged inside the injection molding machine body (4), the blanking device (3) is arranged in the middle of the temperature regulating device (2), and the blanking device (3) is positioned at the bottom of the injection molding machine body (4);

mold closing device (1) includes a motor (11), mould (12), pivot (13) and base (14), the bottom at injection moulding organism (4) is fixed in base (14), be equipped with pivot (13) directly over base (14), fixed mould (12) that are equipped with on the outer wall of pivot (13), mould (12) encircle pivot (13) and set up, the top of pivot (13) is equipped with a motor (11), a motor (11) is fixed to be set up on injection moulding organism (4).

2. The high-performance injection molding machine according to claim 1, wherein the temperature adjusting device (2) comprises a fan (21), an air inlet pipe (22), a heating cavity (23) and a cooling cavity (24), the fan (21) is fixedly disposed inside the injection molding machine body (4), the fan (21) is disposed on one side of the first motor (11), the air inlet pipe (22) is disposed on two sides of the fan (21), one end of the air inlet pipe (22) is fixedly connected to the fan (21), the other end of the air inlet pipe (22) penetrates through the injection molding machine body (4), the heating cavity (23) is disposed on one side of the blanking device (3), and the cooling cavity (24) is disposed on the other side of the blanking device (3).

3. The high-efficiency injection molding machine according to claim 1, wherein the blanking device (3) comprises an outer wall (31), a material receiving plate (32), a telescopic support rod (33), a guide wheel (34), a second motor (35) and a transmission belt (36), the outer wall (31) is fixedly arranged inside the injection molding machine body (4), the material receiving plate (32) is arranged on the outer wall (31), one end of the material receiving plate (32) is rotatably connected with the outer wall (31), the middle part of the bottom surface of the material receiving plate (32) is fixedly connected with one end of the telescopic support rod (33), the other end of the telescopic support rod (33) is fixedly connected to the outer wall (31), the guide wheels (34) are arranged on two sides of the material receiving plate (32), two ends of the guide wheels (34) are fixedly connected to the outer wall (31), the transmission belt (36) is arranged around the outer side of the guide wheels (34), the transmission belt (36) is connected to the second motor (35), and the second motor (35) is fixedly arranged on the outer wall (31).

4. The high performance injection molding machine according to claim 1, wherein the mold (12) comprises a hydraulic rod (121), a thimble (122), an inner mold (123), an outer mold (124), a support rod (125), and a base (126), the base (126) is fixedly connected to the rotating shaft (13), a hydraulic rod (121) is arranged on the base (126), a thimble (122) is arranged in the hydraulic rod (121), one end of the thimble (122) penetrates through the base (126), the other end of the thimble (122) is positioned in the inner die (123), the inner die (123) is fixedly connected with one end of the hydraulic rod (121), an outer die (124) is arranged on the outer side of the inner die (123), the outer die (124) is fixedly connected to one end of the supporting rod (125), and the other end of the supporting rod (125) is fixedly connected with the base (126).

5. The high-performance injection molding machine according to claim 1, wherein the rotating shaft (13) comprises a shaft rod (131), a spring (132) and a top block (133), the upper end of the shaft rod (131) is connected to the driving shaft of the motor (11), the lower end of the shaft rod (131) is rotatably connected to the base (14), the top block (133) is transversely disposed inside the shaft rod (131), one end of the top block (133) penetrates through the shaft rod (131), the other end of the top block (133) is fixedly connected to one end of the spring (132), the other end of the spring (132) is fixedly connected to the shaft rod (131), and one end of the top block (133) penetrating through the shaft rod (131) faces one end of the ejector pin (122).

6. The high performance injection molding machine as claimed in claim 2, wherein a first fan (231) is provided at the top of the heating chamber (23), the first fan (231) is connected to the air inlet duct (22) at one side, and a second fan (241) is provided at the top of the cooling chamber (24), the second fan (241) is connected to the air inlet duct (22) at the other side.

7. The high-efficiency injection molding machine according to claim 3, wherein the telescopic support rod (33) comprises a push rod (331), a compression spring (332), an air bag (333), an air inlet valve (334) and an air tube (335), one end of the push rod (331) is fixedly connected to the outer wall (31), the other end of the push rod (331) faces the compression spring (332), the air bag (333) is arranged in the middle of the compression spring (332), the air inlet valve (334) is arranged on the air bag (333), one end of the air inlet valve (334) penetrates through the telescopic support rod (33), the air tube (335) is arranged on the air bag (333), one end of the air tube (335) is connected through the air bag (333), the other end of the air tube (335) is fixedly connected to the bottom surface of the material receiving plate (32), and the material receiving plate (32) is provided with air holes.