阅读说明：本技术 一种注塑模具 (Injection mold ) 是由 章福恩 金权尧 尹银辉 于 2018-07-03 设计创作，主要内容包括：本发明公开了一种注塑模具,包括上模具和下模具以及设置在上模具上端的注塑口,所述下模具的下端设有散热槽,所述散热槽的内顶部固定连接有传热座,所述传热座的下端固定连接有两个竖板,两个所述竖板之间固定连接有转轴,所述传热座的下端等间距设有多个内凹陷的圆弧面,所述转轴安装在圆弧面的圆心轴线上。本发明能够根据模腔内的液体温度自行调速,无需用电能耗更低,更符合现代环保、节能的标准；通过设置散热瓦片、温控片和电磁刷片不仅对传热座进行散热,同时带动转轴转动,通过转轴带动凸轮转动,进而实现活塞往复运动；连接杆带动活动杆往复运动,使本设备内的冷却液持续流动,无需外界提供电能,节能环保。(The invention discloses an injection mold which comprises an upper mold, a lower mold and an injection port arranged at the upper end of the upper mold, wherein the lower end of the lower mold is provided with a heat dissipation groove, the inner top of the heat dissipation groove is fixedly connected with a heat transfer seat, the lower end of the heat transfer seat is fixedly connected with two vertical plates, a rotating shaft is fixedly connected between the two vertical plates, the lower end of the heat transfer seat is provided with a plurality of inwards-concave arc surfaces at equal intervals, and the rotating shaft is arranged on a circular central axis of the arc surfaces. The invention can automatically regulate the speed according to the temperature of the liquid in the die cavity, does not need electricity, has lower energy consumption and better meets the modern standards of environmental protection and energy saving; the heat dissipation tile, the temperature control sheet and the electromagnetic brush sheet are arranged to dissipate heat of the heat transfer seat, drive the rotating shaft to rotate at the same time, and drive the cam to rotate through the rotating shaft, so that the reciprocating motion of the piston is realized; the connecting rod drives the movable rod to reciprocate, so that the cooling liquid in the equipment continuously flows, the external power supply is not needed, and the energy-saving and environment-friendly effects are achieved.)

1. An injection mold comprises an upper mold (23), a lower mold (24) and an injection molding opening (22) arranged at the upper end of the upper mold (23), and is characterized in that the lower end of the lower mold (24) is provided with a heat dissipation groove, the inner top of the heat dissipation groove is fixedly connected with a heat transfer seat (29), the lower end of the heat transfer seat (29) is fixedly connected with two vertical plates (17), two vertical plates (17) are fixedly connected with a rotating shaft (21) between the vertical plates (17), the lower end of the heat transfer seat (29) is provided with a plurality of inwards-concave arc surfaces at equal intervals, the rotating shaft (21) is arranged on a circular axis of the arc surfaces, a plurality of rotating cylinders (27) are fixedly sleeved at equal intervals on the rotating shaft (21), the side wall of each rotating cylinder (27) is provided with a plurality of electromagnetic brush sheets (28) at equal intervals along the circumferential direction of the side wall of each electromagnetic brush sheet (28), and the direction of magnetic lines of, the outer end of each electromagnetic brush piece (28) is fixedly provided with a heat dissipation tile (26) matched with a heat transfer seat, the side surface of each heat dissipation tile (26) sweeps across from the arc surface of the heat transfer seat (29) in the process that each heat dissipation tile (26) rotates along with a rotary cylinder (27), each heat dissipation tile (26) is further fixed with a temperature control piece (25), each temperature control piece (25) is electrically connected with the electromagnetic brush piece (28) which is clockwise adjacent to the temperature control piece and controls the on-off of the current of the electromagnetic brush piece (28), a strip-shaped plate (20) is fixedly connected in a heat dissipation groove through a fixed frame (18), a reciprocating device is fixedly connected on a rotating shaft (21), the lower end of the fixed frame (18) is fixedly connected with a cylinder barrel (10), a piston (11) is arranged in the cylinder barrel (10), and a movable rod (13) is fixedly connected at the upper end of the piston (11), the upper end of the movable rod (13) is rotatably connected to the reciprocating device, the lower end of the heat transfer seat (29) is fixedly connected with a water storage tank (9), the cylinder barrel (10) is fixedly connected with the water storage tank (9) through a vent pipe (8), a circulation cavity is arranged in the side wall of the strip-shaped plate (20), the upper end of the water storage tank (9) is communicated with the circulation cavity, a first one-way valve (15) is arranged at the communication position of the water storage tank (9) and the circulation cavity, the lower end of the strip-shaped plate (20) is fixedly connected with a heat dissipation shell (1), a water conveying pipe (7) is installed on the side wall of the water storage tank (9), a heat dissipation cavity (5) is arranged in the middle of the water conveying pipe (7), heat dissipation fins (6) are uniformly distributed at the position of the side wall of the water conveying pipe (7) which is far away from the water storage tank, the water conveying pipe (7, the output of cooling tube (16) runs through heat dissipation casing (1) and communicates with the circulation chamber, cooling tube (16) are equipped with second check valve (30) with the intercommunication department of circulation chamber, the interior bottom of heat dissipation casing (1) is equipped with the thermovent, the interior top and the heat dissipation casing (1) intercommunication of thermovent, be equipped with heat abstractor in the thermovent, equidistant fixedly connected with a plurality of conducting strips (14) of lower extreme of heat conduction seat (29), the lower extreme of conducting strip (14) runs through the upper end of strip shaped plate (20) and extends to the circulation intracavity.

2. An injection mould according to claim 1, characterized in that the reciprocating means comprise a cam (31) fixedly connected to the rotating shaft (21), the side wall of the cam (31) is rotatably connected with a connecting rod (32), and the lower end of the connecting rod (32) penetrates through the fixed frame (18) and is rotatably connected to the upper end of the movable rod (13).

3. An injection mold according to claim 2, characterized in that, the heat dissipating device comprises a heat dissipating net (2) fixedly connected in the heat dissipating port, a first heat dissipating plate (3) and a second heat dissipating plate (4) are fixedly connected to the lower end of the heat dissipating net (2), the length of the first heat dissipating plate (3) is greater than that of the second heat dissipating plate (4), and the first heat dissipating plate (3) and the second heat dissipating plate (4) are arranged at intervals.

4. An injection mould according to claim 3, characterised in that the first heat sink (3) and the second heat sink (4) are both made of copper, which conducts heat well.

5. An injection mould according to claim 4, characterised in that the heat pipe (16) comprises vertical pipes and bent pipes, wherein the vertical pipes are arranged at intervals with the transverse pipe and are connected end to end.

6. An injection mould according to claim 5, characterised in that 3-5 electromagnetic brush blades (28) are fixed to each rotary cylinder (27).

7. An injection mould according to claim 6, characterised in that the lower end of the lower mould tool (24) is fixedly connected with support legs (19).

8. An injection mould according to claim 7, characterised in that the lower ends of the support legs (19) are provided with a plurality of anti-slip grooves which are evenly distributed in the lower ends of the support legs (19).

Technical Field

The invention relates to the technical field of molds, in particular to an injection mold.

Background

An injection mold is a tool for producing plastic products; and is also a tool for giving the plastic product complete structure and accurate dimension. Injection molding is a process used to mass produce parts of some complex shapes. Injecting the heated and melted plastic into a mold cavity at high pressure by an injection molding machine, cooling and solidifying to obtain a formed product, wherein the injection mold is divided into thermosetting plastic molds according to the forming characteristics;

two types of thermoplastic plastic moulds are adopted; according to the forming process, the method is divided into a transfer mold, a blow mold, a cast mold, a hot forming mold, a hot pressing mold (compression mold), an injection mold and the like, wherein the hot pressing mold can be divided into a flash type, a semi-flash type and a non-flash type by a flash mode, and the injection mold can be divided into a cold runner mold and a hot runner mold by a pouring system; the device can be divided into a movable type and a fixed type according to the loading and unloading mode.

But current injection mold dispels the heat through external radiator fan in the use, and then leads to equipment vibrations nature great, leads to work piece shaping quality not good, and the heat dissipation that current injection mold moulded plastics need use external energy, has lead to the waste of the energy, has increased the cost of enterprise.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides an injection mold which can automatically regulate the speed according to the temperature of liquid in a mold cavity, does not need electricity, has lower energy consumption and better meets the modern standards of environmental protection and energy conservation; the heat dissipation tile, the temperature control sheet and the electromagnetic brush sheet are arranged to dissipate heat of the heat transfer seat, drive the rotating shaft to rotate at the same time, and drive the cam to rotate through the rotating shaft, so that the reciprocating motion of the piston is realized; the connecting rod drives the movable rod to reciprocate, so that the cooling liquid in the equipment continuously flows, the external power supply is not needed, and the energy-saving and environment-friendly effects are achieved.

In order to achieve the purpose, the invention adopts the following technical scheme:

an injection mold comprises an upper mold, a lower mold and an injection port arranged at the upper end of the upper mold, wherein the lower end of the lower mold is provided with a heat dissipation groove, the inner top of the heat dissipation groove is fixedly connected with a heat transfer seat, the lower end of the heat transfer seat is fixedly connected with two vertical plates, a rotating shaft is fixedly connected between the two vertical plates, the lower end of the heat transfer seat is provided with a plurality of inwards concave arc surfaces at equal intervals, the rotating shaft is arranged on a circular center axis of the arc surfaces, a plurality of rotating cylinders are fixedly sleeved on the rotating shaft at equal intervals, the side wall of each rotating cylinder is provided with a plurality of electromagnetic brush pieces at equal intervals along the circumferential direction of the rotating cylinder, the magnetic line direction of each electromagnetic brush piece is along the radial direction of the rotating cylinder, the outer end of each electromagnetic brush piece is fixedly provided with a heat dissipation tile matched with the heat transfer seat, and the side surface of each heat dissipation tile sweeps over from the arc surfaces of the heat transfer seat in, each heat dissipation tile is also fixedly provided with a temperature control sheet, each temperature control sheet is electrically connected with an electromagnetic brush sheet which is clockwise adjacent to the temperature control sheet and controls the on-off of the current of the electromagnetic brush sheet, a strip-shaped plate is fixedly connected in the heat dissipation groove through a fixed frame, a reciprocating device is fixedly connected on the rotating shaft, a cylinder barrel is fixedly connected at the lower end of the fixed frame, a piston is arranged in the cylinder barrel, the upper end of the piston is fixedly connected with a movable rod, the upper end of the movable rod is rotatably connected on the reciprocating device, the lower end of the heat transfer seat is fixedly connected with a water storage tank, the cylinder barrel is fixedly connected with the water storage tank through a vent pipe, a circulation cavity is arranged in the side wall of the strip-shaped plate, the upper end of the water storage tank is communicated with the circulation cavity, a first one-way valve is arranged at the communication position, the utility model discloses a solar water heater, including storage water tank, lateral wall, raceway, heat dissipation casing, heat dissipation pipe, heat dissipation seat, heat dissipation pipe, heat dissipation device, heat dissipation plate, water pipe, heat dissipation plate, the lateral wall of storage water tank is installed the raceway, the lateral wall of raceway is located heat dissipation chamber department equipartition and has the fin, the one end that the storage water tank was kept away from to the raceway runs through the lateral wall and the fixedly connected with cooling tube of heat dissipation casing, the output of cooling tube runs through heat dissipation casing and communicates with the circulation chamber, the cooling tube is equipped with the second check valve with the intercommunication department of circulation chamber, the interior bottom of heat dissipation casing is equipped with the thermovent, the interior top and the heat.

Preferably, the reciprocating device comprises a cam fixedly connected to the rotating shaft, a connecting rod is rotatably connected to the side wall of the cam, and the lower end of the connecting rod penetrates through the fixed frame and is rotatably connected to the upper end of the movable rod.

Preferably, heat abstractor includes the radiator-grid of fixed connection in the radiator-grid, the lower extreme fixedly connected with first heating panel and second heating panel of radiator-grid, the length of first heating panel is greater than the length of second heating panel, first heating panel and second heating panel interval set up.

Preferably, the first heat dissipation plate and the second heat dissipation plate are both made of copper with good heat conduction.

Preferably, the radiating pipe comprises a vertical pipe and an elbow pipe, wherein the vertical pipe and the horizontal pipe are arranged at intervals and are connected end to end.

Preferably, 3-5 electromagnetic brush pieces are fixed on each rotary cylinder.

Preferably, the lower end of the lower die is fixedly connected with a supporting leg.

Preferably, the lower extreme of supporting leg is equipped with multichannel antiskid groove, the multichannel antiskid groove evenly distributed is in the lower extreme of supporting leg.

The invention has the following beneficial effects:

1. the invention can automatically regulate the speed according to the temperature of the liquid in the die cavity, does not need electricity, has lower energy consumption and better meets the modern standards of environmental protection and energy saving;

2. the heat dissipation tile, the temperature control sheet and the electromagnetic brush sheet are arranged to dissipate heat of the heat transfer seat, drive the rotating shaft to rotate at the same time, and drive the cam to rotate through the rotating shaft, so that the reciprocating motion of the piston is realized;

3. the connecting rod drives the movable rod to reciprocate, so that the cooling liquid in the equipment continuously flows, the external power supply is not needed, and the energy-saving and environment-friendly effects are achieved.

Drawings

FIG. 1 is a schematic structural diagram of an injection mold according to the present invention;

FIG. 2 is a schematic side view of a heat transfer base of an injection mold according to the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1;

fig. 4 is an enlarged schematic view of the structure B in fig. 1.

In the figure: 1 heat dissipation shell, 2 radiator nets, 3 first radiator plates, 4 second radiator plates, 5 heat dissipation cavities, 6 radiator fins, 7 water delivery pipes, 8 vent pipes, 9 water storage tanks, 10 cylinder barrels, 11 pistons, 12 connecting rods, 13 movable rods, 14 heat conducting fins, 15 first one-way valves, 16 radiator tubes, 17 vertical plates, 18 fixing frames, 19 supporting legs, 20 strip-shaped plates, 21 rotating shafts, 22 injection molding ports, 23 upper molds, 24 lower molds, 25 temperature control fins, 26 heat dissipation tiles, 27 rotating barrels, 28 electromagnetic brush pieces, 29 heat transfer seats, 30 second one-way valves and 31 cams.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, an injection mold comprises an upper mold 23, a lower mold 24 and an injection port 22 arranged at the upper end of the upper mold 23, wherein the lower end of the lower mold 24 is fixedly connected with a supporting leg 19, the lower end of the supporting leg 19 is provided with a plurality of anti-skid grooves, the plurality of anti-skid grooves are uniformly distributed at the lower end of the supporting leg 19, the lower end of the lower mold 24 is provided with a heat dissipation groove, the inner top of the heat dissipation groove is fixedly connected with a heat transfer seat 29, the lower end of the heat transfer seat 29 is fixedly connected with two vertical plates 17, a rotating shaft 21 is fixedly connected between the two vertical plates 17, the lower end of the heat transfer seat 29 is provided with a plurality of inner concave arc surfaces at equal intervals, the rotating shaft 21 is arranged on a circular axis of the arc surfaces, the rotating shaft 21 is fixedly sleeved with a plurality of rotating cylinders 27 at equal intervals, 3-5 electromagnetic brush pieces 28 are fixed, the magnetic line direction of each electromagnetic brush piece 28 is along the radial direction of the rotary cylinder 27, the outer end of each electromagnetic brush piece 28 is fixedly provided with a heat dissipation tile 26 matched with the heat transfer seat, in the process that each heat dissipation tile 26 rotates along with the rotary cylinder 27, the side surface of each heat dissipation tile 26 sweeps across the arc surface of the heat transfer seat 29, each heat dissipation tile 26 is also fixedly provided with a temperature control piece 25, each temperature control piece 25 is electrically connected with the electromagnetic brush piece 28 which is clockwise adjacent to the temperature control piece 25 and controls the on-off of the current of the electromagnetic brush piece 28, the temperature of the heat dissipation tile 26 close to the heat transfer seat 29 rises after being heated, and when the temperature reaches the critical value of the temperature control piece 25 on the heat dissipation tile 26, the temperature control piece 25 conducts the circuit of the electromagnetic brush piece 28 corresponding to the heat dissipation tile 26 which is clockwise adjacent to the heat dissipation tile 26; the conducted electromagnetic brush piece 28 is pulled by magnetic force to turn to the heat transfer seat 29, and the heat dissipation tile 26 reaching the critical value of the temperature control piece 25 is pushed away from the heat transfer seat 29 and cools the external heat dissipation; after a moment, the temperature of the heat dissipating tiles 26 pushed away from the heat transfer base 29 is reduced to below the critical value of the temperature control sheet 25, and the temperature of the heat dissipating tiles 26 close to the heat transfer base 29 reaches the critical value of the temperature control sheet 25, so that the heat dissipating tiles 26 are pushed and rotated again, the high-temperature heat dissipating tiles 26 are moved away from the surface of the heat transfer base 29, the low-temperature heat dissipating tiles 26 are close to the surface of the heat transfer base 29, and the process is repeated, so that the rotating shaft 21 is driven to rotate in the process that the heat dissipating tiles 26 sequentially rotate on the surface of the heat transfer base 29, and the strip-shaped plate 20 is fixedly connected in the heat dissipating groove through the fixing.

The reciprocating device is fixedly connected on the rotating shaft 21 and comprises a cam 31 fixedly connected on the rotating shaft 21, the side wall of the cam 31 is rotatably connected with a connecting rod 32, the lower end of the connecting rod 32 penetrates through a fixed frame 18 and is rotatably connected at the upper end of a movable rod 13, the lower end of the fixed frame 18 is fixedly connected with a cylinder barrel 10, a piston 11 is arranged in the cylinder barrel 10, the upper end of the piston 11 is fixedly connected with the movable rod 13, the upper end of the movable rod 13 is rotatably connected on the reciprocating device, the rotating shaft 21 rotates to drive the cam 31 to rotate, the cam 31 rotates to drive a connecting rod 12 to deflect, the connecting rod 12 deflects to drive the movable rod 13 to reciprocate up and down to enable the piston 11 to extrude air in the cylinder barrel 10, the lower end of the heat transfer seat 29 is fixedly connected with a water storage tank 9, the cylinder barrel 10 is fixedly connected with the water, a first one-way valve 15 is arranged at the communication position of the water storage tank 9 and the circulation cavity, a heat dissipation shell 1 is fixedly connected at the lower end of the strip-shaped plate 20, a water delivery pipe 7 is installed on the side wall of the water storage tank 9, a heat dissipation cavity 5 is arranged in the middle of the water delivery pipe 7, heat dissipation fins 6 are uniformly distributed at the position, located at the position, of the side wall of the heat dissipation cavity 5, of the water delivery pipe 7, air pressure in the water storage tank 9 is increased, the air pressure in the water storage tank 9 is increased to compress cooling liquid in the water delivery pipe 7, the heat dissipation fins 6 on the side wall of the heat dissipation cavity 5 on the water delivery pipe 7 primarily dissipate heat of the cooling liquid, one end, far away from the water storage tank, of the water delivery pipe 7 penetrates through the side wall of the heat dissipation shell 1 and is fixedly connected with a heat dissipation pipe 16, the heat dissipation pipe 16 comprises a, the coolant liquid is compressed to the cooling tube 16 in, the cooling net 2 further dispels the heat to the coolant liquid in the cooling tube 16, the coolant liquid after the cooling gets into the circulation intracavity through second check valve 30, the liquid in the matched mould intracavity is dispelled the heat, then the coolant liquid absorbs the heat and becomes hot, get into in the storage water tank 9 by first check valve 15, so reciprocal the going on, the liquid in the matched mould intracavity lasts the heat dissipation, the interior bottom of heat dissipation casing 1 is equipped with the thermovent, the interior top and the heat dissipation casing 1 intercommunication of thermovent.

Be equipped with heat abstractor in the thermovent, heat abstractor includes fixed connection at intraoral radiator mesh 2 of radiator mesh 2, the first heating panel 3 of lower extreme fixedly connected with and second heating panel 4 of radiator mesh 2, first heating panel 3 all has the good copper of heat conduction with second heating panel 4 to make, the length of first heating panel 3 is greater than the length of second heating panel 4, first heating panel 3 sets up with 4 intervals of second heating panel, a plurality of conducting strips 14 of equidistant fixedly connected with of lower extreme of heat conduction seat 29, the lower extreme of conducting strip 14 runs through the upper end of strip shaped plate 20 and extends to the circulation intracavity.

When the electromagnetic brush piece is used, the upper die 23 and the lower die 24 are assembled, then liquid is injected into a die cavity through the injection port 22, high-temperature liquid quickly transfers heat to the heat transfer seat 29, the temperature of the heat dissipation tile 26 close to the heat transfer seat 29 rises after being heated, and when the temperature reaches the critical value of the temperature control piece 25 on the heat dissipation tile 26, the temperature control piece 25 conducts the circuit of the electromagnetic brush piece 28 corresponding to the heat dissipation tile 26 which is clockwise adjacent to the heat dissipation tile 26; the conducted electromagnetic brush piece 28 is pulled by magnetic force to turn to the heat transfer seat 29, and the heat dissipation tile 26 reaching the critical value of the temperature control piece 25 is pushed away from the heat transfer seat 29 and cools the external heat dissipation; after a moment, the temperature of the heat dissipating tiles 26 pushed away from the heat transfer base 29 is reduced to below the critical value of the temperature control sheet 25, and the temperature of the heat dissipating tiles 26 close to the heat transfer base 29 reaches the critical value of the temperature control sheet 25, so that each heat dissipating tile 26 is pushed and rotated again, the high temperature heat dissipating tile 26 is moved away from the surface of the heat transfer base 29, the low temperature heat dissipating tile 26 is close to the surface of the heat transfer base 29, the circulation is performed, each heat dissipating tile 26 rotates through the surface of the heat transfer base 29 in sequence, the rotating shaft 21 rotates to drive the cam 31 to rotate, the cam 31 rotates to drive the connecting rod 12 to deflect, the connecting rod 12 deflects to drive the movable rod 13 to reciprocate up and down, the piston 11 extrudes air in the cylinder 10, the air pressure in the water storage tank 9 is increased, the cooling liquid in the water storage tank 9 is compressed into the water pipe 7 by the increase of the air pressure in the water storage tank 9, and the cooling liquid is primarily dissipated by the cooling, then the coolant liquid is compressed in the cooling tube 16, and the radiator net 2 further dispels the heat to the coolant liquid in the cooling tube 16, and the coolant liquid after the cooling gets into the circulation intracavity through second check valve 30, dispels the heat to the liquid in the mould intracavity, and then the coolant liquid absorbs the heat and becomes hot, gets into storage water tank 9 by first check valve 15 in, so reciprocal the going on, and the liquid in the mould intracavity is continuously dispelled the heat.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.