CN110802811A

CN110802811A - Cooling mechanism of injection mold

Info

Publication number: CN110802811A
Application number: CN201911290846.2A
Authority: CN
Inventors: 齐雨光
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-02-18

Abstract

The invention discloses a cooling mechanism of an injection mold, which comprises a mold body, wherein the mold body consists of a movable mold and a fixed mold, the fixed mold is arranged at the top of the movable mold, connecting pipes are arranged on the left side and the right side of the top of the fixed mold, and the front end and the rear end of each connecting pipe penetrate through the inside of the fixed mold and are movably connected with the fixed mold. This injection mold's cooling body, through the inside injection coolant liquid to the mould body, when the connecting pipe, the circulating pipe, the inside of backward flow jar and cooling tube is when being filled by the coolant liquid completely, the coolant liquid in the cooling tube is made its circulation of formation and is continuously cooled off to the inside of cover half through micro pump actuation, thereby reach the effect that improves injection molding production efficiency, solved current injection mold and not possessed cooling body, the solidification efficiency of injection molding has been reduced, the problem of the injection molding continuous production of not being convenient for, this injection mold's cooling body, possess advantages such as circulative cooling mould.

Description

Cooling mechanism of injection mold

Technical Field

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

Background

The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and accurate sizes, the injection molding is a processing method used when producing some parts with complex shapes in batches, particularly, the plastic melted by heating is injected into a mold cavity from an injection molding machine at high pressure, and a formed product is obtained after cooling and solidification, and the injection mold is divided into a thermosetting plastic mold, an automobile mold and a thermoplastic plastic mold according to the forming characteristics; according to the molding process, the mold is divided into a transfer mold, a blow mold, a cast mold, a thermoforming mold, a hot-pressing mold, an injection mold, etc.

The injection molding part needs to wait for solidification after injection molding is finished, then is taken out and is subjected to subsequent production, but the existing injection mold does not have a cooling mechanism, so that the solidification efficiency of the injection molding part is reduced, and the continuous production of the injection molding part is inconvenient.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a cooling mechanism of an injection mold, which has the advantages of circulating cooling of the mold and the like, and solves the problems that the prior injection mold does not have a cooling mechanism, the solidification efficiency of injection molded parts is reduced, and the continuous production of the injection molded parts is inconvenient.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a cooling mechanism of an injection mold comprises a mold body, wherein the mold body consists of a movable mold and a fixed mold, the fixed mold is arranged at the top of the movable mold, connecting pipes are arranged on the left side and the right side of the top of the fixed mold, the front end and the rear end of each connecting pipe are both penetrated through the inside of the fixed mold and movably connected with the fixed mold, cooling pipes are fixedly connected with the front end and the rear end of the left side of the fixed mold, the right end of each cooling pipe is sequentially penetrated through the fixed mold and the connecting pipes and extends to the right side of the fixed mold, openings communicated with the connecting pipes are arranged at the top of the cooling pipes, circulating pipes and backflow pipes are respectively communicated with the outer sides of the connecting pipes, the backflow pipes are positioned on the left side of the circulating pipes, a micropump is fixedly connected with the front of the fixed mold, one end, far away from the connecting pipes, of the, the front of the fixed die is provided with a cooling mechanism, and the top of the fixed die is provided with a fixing mechanism.

Preferably, the left end and the right end of cooling tube all are provided with the seal pin that is located cover half left side and right side, the one end that the seal pin is close to the cooling tube runs through to the inside of cooling tube and with cooling tube threaded connection.

Preferably, cooling body includes the connecting block, connecting block fixed connection is in the front of cover half, there is the draft hood on the surface of connecting block through round pin axle swing joint, one side that the connecting block was kept away from to the draft hood extends to the front of micropump, the positive left side of draft hood all communicates with the right side and has the heat dissipation fan.

Preferably, fixed establishment includes the locating plate, the locating plate is located the top of cover half and establishes the surface at the cover half charge end, the front side of locating plate extends to the front of cover half and contacts with the top of draft hood, the left side and the right side at locating plate top all are provided with the bolt, the bottom of bolt run through locating plate and cover half in proper order and with cover half threaded connection, the material of locating plate is copper.

Preferably, the positive left side of draft hood and the equal fixedly connected with in right side are located the filter screen of heat dissipation fan front side, the filter screen is that horizontal wire rope and vertical wire rope fold each other and press the manufacturing, the aperture of filter screen is less than two millimeters.

Preferably, the front side of the ventilation hood is movably connected with a pull ring, the front side of the ventilation hood is fixedly connected with a fixing block sleeved on the surface of the pull ring, and the fixing block is movably connected with the pull ring.

Preferably, the back fixedly connected with cover of ventilation hood establishes the protection pad on heat dissipation fan surface, the protection pad is kept away from one side of ventilation hood and micropump surface contact, the material of protection pad is the damping.

Preferably, the sealing ring on cooling tube surface is established to the equal fixedly connected with cover in left side and the right side on connecting tube surface, the internal surface of sealing ring and the surface contact of cooling tube, the sealing ring is plastic wear-resisting material.

(III) advantageous effects

Compared with the prior art, the invention provides a cooling mechanism of an injection mold, which has the following beneficial effects:

1. this injection mold's cooling body, through the inside injection coolant liquid to the mould body, when the connecting pipe, the circulating pipe, the inside of backward flow jar and cooling tube is when being filled by the coolant liquid completely, the coolant liquid in the cooling tube is made its circulation of formation and is continuously cooled off to the inside of cover half through micro pump actuation, thereby reach the effect that improves injection molding production efficiency, solved current injection mold and not possessed cooling body, the solidification efficiency of injection molding has been reduced, the problem of the injection molding continuous production of not being convenient for, this injection mold's cooling body, possess advantages such as circulative cooling mould.

2. This injection mold's cooling body through setting up the seal pin, can convenient to use person pour into the coolant liquid into to the inside of cooling tube, through with seal pin and cooling tube threaded connection, can improve the leakproofness of cooling tube moreover, avoids the coolant liquid to spill over from the both ends of cooling tube.

3. This injection mold's cooling body through setting up cooling body, can cool down the inside coolant liquid of circulating pipe, and the coolant liquid of being convenient for circulates, can improve the cooling effect of coolant liquid, through the heat dissipation fan in the cooling body moreover, can dispel the heat to the micropump, improves the life of micropump.

4. This injection mold's cooling body through setting up fixed establishment, can the person of facilitating the use maintain the miniature plate pump, improves the fixed of draft hood and dismantles efficiency, through setting up the locating plate into copper moreover, can improve the area of contact of heat and air with the heat absorption that the cover half emanated.

5. This injection mold's cooling body, the positive left side of draft hood and the equal fixedly connected with in right side are located the filter screen of heat dissipation fan front side, and the filter screen is for horizontal wire rope and vertical wire rope fold each other and press the manufacturing, and the aperture of filter screen is less than two millimeters, through setting up the filter screen, can prevent that the user from being hit by the heat dissipation fan, can improve cooling body's security.

6. This injection mold's cooling body, the front swing joint of draft hood has the pull ring, and the fixed block on pull ring surface is established to the front fixedly connected with cover of draft hood, fixed block and pull ring swing joint, through setting up pull ring and fixed block, can improve the area of contact and the frictional force of user's hand and draft hood, and convenient to use person removes the draft hood.

7. This injection mold's cooling body fills up through setting up the protection, can reduce the friction between draft hood and the micropump, can eliminate the vibrations that micropump and heat dissipation fan produced in the use simultaneously to reach the effect of shock attenuation buffering.

8. This injection mold's cooling body, the sealing ring on cooling tube surface is established with the equal fixedly connected with cover in right side in the left side on connecting pipe surface, the internal surface of sealing ring and the surface contact of cooling tube, and the sealing ring is plastic wear-resisting material, through setting up the sealing ring, can improve the leakproofness of connecting pipe, prevents that the coolant liquid from spilling over from the junction of connecting pipe and cooling tube.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of a partial structure of the present invention;

FIG. 3 is a schematic cross-sectional view of a front view structure of the present invention;

FIG. 4 is a schematic top view of the present invention;

FIG. 5 is a schematic diagram of the right-view structure of the present invention;

FIG. 6 is a schematic sectional front view of a partial structure of the present invention;

fig. 7 is a perspective view of a partial structure of the present invention.

In the figure: 1, a die body, 101, a movable die, 102, a fixed die, 2 connecting pipes, 3 openings, 4 circulating pipes, 5 return pipes, 6 micro pumps, 7 cooling mechanisms, 701 connecting blocks, 702 ventilation hoods, 703 heat dissipation fans, 8 fixing mechanisms, 801 positioning plates, 802 bolts, 9 sealing pins, 10 filter screens, 11 pull rings, 12 fixing blocks, 13 protection pads, 14 sealing rings and 15 cooling pipes.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, a cooling mechanism of an injection mold comprises a mold body 1, the mold body 1 is composed of a movable mold 101 and a fixed mold 102, the fixed mold 102 is installed on the top of the movable mold 101, the left side and the right side of the top of the fixed mold 102 are both provided with a connecting pipe 2, the front end and the rear end of the connecting pipe 2 both penetrate through the inside of the fixed mold 102 and are movably connected with the fixed mold 102, the front end and the rear end of the left side of the fixed mold 102 are both fixedly connected with a cooling pipe 15, the right end of the cooling pipe 15 sequentially penetrates through the fixed mold 102 and the connecting pipe 2 and extends to the right side of the fixed mold 102, the left end and the right end of the cooling pipe 15 are both provided with a sealing pin 9 positioned on the left side and the right side of the fixed mold 102, one end of the sealing pin 9 close to the cooling pipe 15 penetrates through the inside of the cooling pipe 15 and is in threaded connection with the cooling pipe 15, the sealing performance of the cooling pipe 15 can be improved, the cooling liquid is prevented from overflowing from two ends of the cooling pipe 15, the sealing ring 14 which is sleeved on the surface of the cooling pipe 15 is fixedly connected to the left side and the right side of the surface of the connecting pipe 2, the inner surface of the sealing ring 14 is in contact with the surface of the cooling pipe 15, the sealing ring 14 is made of plastic and wear-resistant materials, the sealing performance of the connecting pipe 2 can be improved by arranging the sealing ring 14, the cooling liquid is prevented from overflowing from the joint of the connecting pipe 2 and the cooling pipe 15, the top of the cooling pipe 15 is provided with an opening 3 communicated with the connecting pipe 2, the outer side of the connecting pipe 2 is respectively communicated with a circulating pipe 4 and a return pipe 5, the return pipe 5 is positioned on the left side of the circulating pipe 4, the front of the fixed die 102 is fixedly connected with a micro pump 6, one end, far away from the connecting pipe 2, the front side of the fixed die 102 is provided with a cooling mechanism 7, the cooling mechanism 7 comprises a connecting block 701, the connecting block 701 is fixedly connected with the front side of the fixed die 102, the surface of the connecting block 701 is movably connected with a ventilating hood 702 through a pin shaft, one side of the ventilating hood 702, which is far away from the connecting block 701, extends to the front side of the micropump 6, the left side and the right side of the front side of the ventilating hood 702 are both communicated with a heat radiating fan 703, the cooling liquid in the circulating pipe 4 can be cooled through the arrangement of the cooling mechanism 7, the circulation of the cooling liquid is facilitated, the cooling effect of the cooling liquid can be improved, in addition, the heat radiating fan 703 in the cooling mechanism 7 can be used for radiating the micropump 6, the service life of the micropump 6 is prolonged, the filter screen 10 positioned on the front side of the heat radiating fan 703 is fixedly connected with the left side and the right side of, the filter screen 10 is arranged, a user can be prevented from being injured by the heat dissipation fan 703, the safety of the cooling mechanism 7 can be improved, the front surface of the ventilation hood 702 is movably connected with the pull ring 11, the front surface of the ventilation hood 702 is fixedly connected with the fixed block 12 which is sleeved on the surface of the pull ring 11, the fixed block 12 is movably connected with the pull ring 11, the contact area and the friction force between the hand of the user and the ventilation hood 702 can be improved by arranging the pull ring 11 and the fixed block 12, the user can conveniently move the ventilation hood 702, the back surface of the ventilation hood 702 is fixedly connected with the protective pad 13 which is sleeved on the surface of the heat dissipation fan 703, one side of the protective pad 13, far away from the ventilation hood 702, is in contact with the surface of the micro pump 6, the protective pad 13 is made of damping, the friction between the ventilation hood 702 and the micro pump 6 can be reduced by arranging the protective pad, thereby reach the effect of shock attenuation buffering, the top of cover half 102 is provided with fixed establishment 8, fixed establishment 8 includes locating plate 801, locating plate 801 is located the top of cover half 102 and the cover is established on the surface of cover half 102 charge-in end, the front side of locating plate 801 extends to the front of cover half 102 and contacts with the top of draft hood 702, the left side and the right side at locating plate 801 top all are provided with bolt 802, the bottom of bolt 802 runs through locating plate 801 and cover half 102 in proper order and with cover half 102 threaded connection, locating plate 801's material is copper, through setting up fixed establishment 8, can the person of facilitating the use maintain the micropump, improve the fixed and dismantlement efficiency of draft hood 702, and through setting up locating plate 801 into copper, can absorb the heat that the cover half 102 emanated, improve the area of contact of heat and air.

When the cooling device is used, firstly, the seal pin 9 is taken out and the cooling liquid is injected into the die body 1, when the interiors of the connecting pipe 2, the circulating pipe 4, the return pipe 5 and the cooling pipe 15 are completely filled with the cooling liquid, the seal pin 9 is inserted into the cooling rod again to seal the cooling pipe 15, when a user injects raw materials into the fixed die 102 through the feeding end of the fixed die 102, the micropump 6 is opened, the micropump 6 pumps the cooling liquid in the cooling pipe 15 to form circulation and continuously cool the interior of the fixed die 102, in the circulation process of the cooling liquid, the heat dissipation fan 703 is opened, the heat dissipation fan 703 cools the circulating pipe 4 and the micropump 6 which are positioned on the front surface of the fixed die 102, the cooling effect of the cooling liquid is improved, meanwhile, the micropump 6 can be dissipated heat, the service life of the micropump 6 is prolonged, when the micropump 6 needs to be disassembled and maintained, the bolt 802 is rotated to drive the positioning plate 801 to move upwards, when the positioning plate 801 is out of contact with the draft hood 702, the user rotates the draft hood 702, so that the draft hood 702 rotates around the connecting block 701 as an axis and moves from a vertical state to a horizontal state, and then the user maintains the micro pump 6, thereby providing the mold body 1 with an effect of facilitating maintenance of the micro pump 6.

To sum up, this injection mold's cooling body, through the inside injection coolant to mould body 1, when connecting pipe 2, circulating pipe 4, the inside of backward flow jar and cooling tube 15 is filled by the coolant liquid completely, pump the coolant liquid in the cooling tube 15 through micropump 6 and make it form circulation and continuously cool off the inside of cover half 102, thereby reach the effect that improves injection molding production efficiency, solved current injection mold and did not possess cooling body, the solidification efficiency of injection molding has been reduced, be not convenient for the problem of injection molding continuous production, this injection mold's cooling body, possess advantages such as circulation cooling mold.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an injection mold's cooling body, includes mould body (1), its characterized in that: the die comprises a die body (1) and a fixed die (102), wherein the fixed die (102) is arranged at the top of the movable die (101), a connecting pipe (2) is arranged on each of the left side and the right side of the top of the fixed die (102), the front end and the rear end of the connecting pipe (2) penetrate through the fixed die (102) and are movably connected with the fixed die (102), a cooling pipe (15) is fixedly connected with the front end and the rear end of the left side of the fixed die (102), the right end of the cooling pipe (15) penetrates through the fixed die (102) and the connecting pipe (2) in sequence and extends to the right side of the fixed die (102), an opening (3) communicated with the connecting pipe (2) is formed in the top of the cooling pipe (15), the outer side of the connecting pipe (2) is respectively communicated with a circulating pipe (4) and a return pipe (5), the return pipe (5) is positioned on the left side of the circulating pipe (4), and a micropump (6), the one end that connecting pipe (2) were kept away from in circulating pipe (4) extends to the front of cover half (102) and communicates with the input of micropump (6), the one end that connecting pipe (2) were kept away from in back flow (5) communicates with the output of micropump (6), the front of cover half (102) is provided with cooling body (7), the top of cover half (102) is provided with fixed establishment (8).

2. A cooling mechanism of an injection mold according to claim 1, wherein: the left end and the right end of cooling tube (15) all are provided with and are located cover half (102) left side and right side seal pin (9), the one end that seal pin (9) are close to cooling tube (15) runs through to the inside of cooling tube (15) and with cooling tube (15) threaded connection.

3. A cooling mechanism of an injection mold according to claim 1, wherein: cooling body (7) include connecting block (701), connecting block (701) fixed connection is in the front of cover half (102), there is draft hood (702) on the surface of connecting block (701) through round pin axle swing joint, one side that connecting block (701) were kept away from in draft hood (702) extends to the front of micropump (6), the positive left side and the right side of draft hood (702) all communicate and have heat dissipation fan (703).

4. A cooling mechanism of an injection mold according to claim 1, wherein: fixing mechanism (8) include locating plate (801), locating plate (801) are located the top of cover half (102) and establish the surface at cover half (102) charge end, the front side of locating plate (801) extend to the front of cover half (102) and with the top contact of draft hood (702), the left side and the right side at locating plate (801) top all are provided with bolt (802), the bottom of bolt (802) run through locating plate (801) and cover half (102) in proper order and with cover half (102) threaded connection, the material of locating plate (801) is copper.

5. A cooling mechanism of an injection mold according to claim 3, wherein: the ventilation hood (702) is positive the equal fixedly connected with in left side and right side is located filter screen (10) of heat dissipation fan (703) front side, filter screen (10) are horizontal wire rope and vertical wire rope and fold the pressure manufacturing each other, the aperture of filter screen (10) is less than two millimeters.

6. A cooling mechanism of an injection mold according to claim 3, wherein: the front face of the ventilation hood (702) is movably connected with a pull ring (11), the front face of the ventilation hood (702) is fixedly connected with a fixing block (12) which is sleeved on the surface of the pull ring (11), and the fixing block (12) is movably connected with the pull ring (11).

7. A cooling mechanism of an injection mold according to claim 3, wherein: the back fixedly connected with cover of ventilation hood (702) is established at protection pad (13) on heat dissipation fan (703) surface, the protection pad (13) is kept away from the surface contact of one side of ventilation hood (702) and micropump (6), the material of protection pad (13) is the damping.

8. A cooling mechanism of an injection mold according to claim 1, wherein: the sealing ring (14) on cooling tube (15) surface is established to the equal fixedly connected with cover in left side and the right side on connecting pipe (2) surface, the internal surface of sealing ring (14) and the surface contact of cooling tube (15), sealing ring (14) are plastic wear-resisting material.