CN113619080A

CN113619080A - Cooling device for rear cover manufacturing die

Info

Publication number: CN113619080A
Application number: CN202110857369.4A
Authority: CN
Inventors: 周国峰
Original assignee: Changzhou Shunning Die Casting Mould Co ltd
Current assignee: Changzhou Shunning Die Casting Mould Co ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2021-11-09

Abstract

The invention discloses a cooling device for a rear cover manufacturing die, which comprises a die body and a supporting mechanism, wherein the die body is provided with a cooling hole; the die body is arranged in the middle of the supporting mechanism; through setting up cooling module, in the operation process of reality, treat that processing is accomplished at every turn, it rotates rather than lug connection's pivot to drive by the motor, drive all the other three sets of pivots of meshing between the helical gear afterwards and rotate, thereby realize adjustment and pivot fixed connection's cooling module's angle, thereby can be after mould processing is accomplished, indirectly drive cooling module by motor operation pivot and rotate to suitable angle, utilize the shower nozzle water spray to cool down the mould body, and the fixture block is fixed and is provided the supporting role for cooling module in the pivot, realize laborsaving mesh, and cooling module can be uninterrupted duty for a long time, the cooling efficiency to the mould body has been improved, four sets of cooling module are driven by the pivot, turned angle can remain the same throughout, thereby can cool down the mould body efficiently.

Description

Cooling device for rear cover manufacturing die

Technical Field

The invention relates to the technical field of mold processing, in particular to a cooling device for a rear cover manufacturing mold.

Background

The mold manufacturing is an important industry in current industrial production, and generally, for example, cases and other goods made of plastic materials need to be produced by using the mold.

In the process of manufacturing a finished product through a mould, because the mould adopts a thermoplastic molding mode, after the mould is subjected to thermoplastic molding and plastic suction, products in the mould can have certain temperature, and the next product can be produced only after the temperature of the last product is cooled, therefore, in the process of manufacturing the mould, the cooling effect of the mould directly influences the production rate of the products, in the current technology, part of mould processing industries still adopt an artificial water splashing mode to cool, the cooling mode not only consumes physical power, but also leads to poor cooling effect due to long water splashing time interval.

Therefore, a cooling device for a rear cover manufacturing mold is proposed to solve the above problems.

Disclosure of Invention

In order to make up for the defects of the prior art, in the prior art, part of the mold processing industry still adopts a manual water splashing mode for cooling, the cooling mode not only consumes physical strength, but also has the problem of poor cooling effect caused by long water splashing time interval, and the invention provides the cooling device for the rear cover manufacturing mold.

A cooling device for a rear cover manufacturing mold comprises a mold body and a supporting mechanism; the die body is arranged in the middle of the supporting mechanism;

the supporting mechanism consists of a supporting plate, a cooling assembly and a fixing plate; the cooling assembly is arranged on the periphery of the supporting plate; the fixing plate is arranged in the middle of the supporting plate; the die body is arranged on the fixing plate;

the cooling assembly consists of a water inlet pipe, a spray head and a clamping block; the water inlet pipe is communicated with the bottom end of the spray head, and the spray head is clamped in the clamping block; the four water inlet pipes are arranged in four groups and are respectively arranged on the periphery of the supporting plate; the four groups of fixture blocks are correspondingly arranged, and the four groups of fixture blocks are correspondingly arranged on the periphery of the supporting plate respectively; the cooling water that contacts with the mould body and realize the cooling effect to the mould body falls under the effect of self gravity, get into afterwards and set up in the storage water tank of supporting mechanism bottom, thereby the cooperation sets up the circulating pump in the storage water tank bottom can be under minimum loss, realize the cooling of continuously cooling to the mould body, and utilize cooling module, the extravagant physical problem that current manpower splashes water and leads to has been solved to a certain extent, and cooling module can be uninterrupted duty for a long time, the cooling efficiency to the mould body has been improved.

Preferably, the die body consists of an upper die holder, an upper die, a lower die holder, a lower die and a bottom plate; the bottom plate is arranged at the bottom end of the lower die holder, and the lower die is connected in the lower die holder in a matching manner; an upper die is clamped at the upper end of the lower die holder and is arranged right above the lower die; the upper end of the upper die is clamped with an upper die base, and the bottom end of the upper die base is clamped at the top end of a lower die base; a feed port is formed in one end of the upper die base, and the bottom end of the feed port is communicated between the upper die and the lower die; two ends of the lower die base are clamped with bottom bearing blocks; supporting blocks are fixedly connected to two sides of the lower die base; utilize this heat-conducting component, can be efficient derive the high temperature between the upper and lower mould, the cooling module of establishing is added to the cooperation outside, realizes the rapid cooling effect to the mould body to the machining efficiency of mould has fundamentally been improved.

Preferably, the guide plate is clamped and connected to the outer side of the supporting mechanism; the guide plate is arranged on the outer side of the die body, and clamping seats are fixedly connected to the bottom end of the guide plate at intervals; a clamping groove is formed in the side wall of the clamping seat, and the clamping groove is formed in the side wall of one end, close to the supporting plate; a rubber block is clamped in the clamping groove; the cooling water that is not vaporized with the contact of mould body can fall on the guide board under the effect of self gravity, because the inboard edge of guide board is provided with the grade, consequently when the cooling water falls on the guide board, can fall into the aqua storage tank that sets up in the supporting mechanism bottom through the opening at guide board middle part thereupon to realize the cyclic utilization of cooling water.

Preferably, the periphery of the supporting plate is fixedly connected with symmetrically arranged connecting seats, and the interior of each connecting seat is rotatably connected with a rotating shaft; one end of the fixture block is rotatably connected to the rotating shaft, and the fixture block is arranged between the connecting seats on the two sides; the torsion spring is arranged between the clamping block and the connecting seat, the motor drives the rotating shaft to rotate for a certain angle in the actual operation process, the torsion spring stores force at the moment, and drives the rotating shaft to rotate to the initial position when the motor does not act, so that the subsequent processing of products in the die body is facilitated.

Preferably, two ends of the rotating shaft are connected to the side wall of the upper end of the supporting plate through holes, and a bearing seat is arranged at the connecting part of the rotating shaft and the supporting plate; four groups of rotating shafts are symmetrically arranged, and the tail end of one group of rotating shafts is fixedly connected with a motor; the motor is arranged on the supporting plate; the bearing seats which are symmetrically arranged can keep the front ends and the rear ends of the four groups of rotating shafts on the same horizontal plane, and the problem that the adjacent helical gears are meshed due to the gaps generated between the adjacent rotating shafts is avoided.

Preferably, the middle part of the top end of the supporting plate is provided with a leakage groove; through grooves are formed in the middle of the periphery of the supporting plate, and the cooling assembly is arranged in the through grooves; the small opening that the backup pad middle part set up is used for supplying the cooling water backward flow, and the cooling water of backward flow can carry out the used cyclically to reduce the expenditure cost of cooling water, the cost of the mould processing that has reduced of phase-changing.

Preferably, a connecting frame is arranged inside the through groove, and the connecting frame is of a cross structure; and four corners of the connecting frame are fixedly connected to the side wall of the leakage groove.

Preferably, the front ends of the rotating shafts are fixedly connected with helical gears, and the helical gears are correspondingly arranged at the tail ends of the three groups of rotating shafts; two adjacent groups of bevel gears are meshed and connected; the rotating shafts positioned around the supporting plate can be directly or indirectly rotated under the driving of the motor, so that the four groups of rotating shafts are driven to rotate under the driving of the motor, the rotating angles of the rotating shafts can be controlled, and the spraying angle of the cooling assembly is adjusted.

Preferably, the middle part of the fixing plate is provided with three groups of draining holes; the three groups of the draining holes are circumferentially and symmetrically arranged on the surface of the fixing plate; the small part of cooling water can enter the water storage tank externally connected to the bottom along the draining hole by arranging the draining hole, so that the cyclic utilization of the cooling water is realized.

The invention has the advantages that:

1. the invention sets cooling component, in the actual operation process, after finishing each processing, starts the motor, drives the rotating shaft directly connected with the motor to rotate, then drives the other three groups of rotating shafts to rotate by the meshing between the helical gears, thereby realizing the adjustment of the angle of the cooling component fixedly connected with the rotating shaft, and after the die is processed, the motor operates the rotating shaft to indirectly drive the cooling assembly to rotate to a proper angle, the spray head is used for spraying water to cool the die body, the fixture blocks are fixed on the rotating shaft to provide a supporting function for the cooling assembly, so that the aim of saving labor is achieved, the cooling assembly can work uninterruptedly for a long time, the cooling efficiency of the die body is improved, four groups of cooling assemblies are driven by the rotating shaft, and the rotation angle can be kept the same all the time, thereby being capable of efficiently cooling the die body.

2. According to the invention, the guide plate is arranged, after the cooling assembly cools the die body, cooling water contacting with the die body naturally falls onto the guide plate downwards under the action of gravity, and the inner side edge of the upper side edge of the guide plate has a certain gradient, so that after the cooling water falls onto the guide plate, the cooling water can flow downwards into the water storage tank externally connected to the bottom, and the cooling water can be continuously cooled for a long time by matching with the externally connected circulating pump, thereby further improving the cooling efficiency of the device, namely indirectly improving the production efficiency of the die.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a perspective view of one embodiment of the present invention;

FIG. 2 is a first perspective view of a support mechanism in accordance with one embodiment of the present invention;

FIG. 3 is a second perspective view of the support mechanism in one embodiment of the present invention;

FIG. 4 is a perspective view of a guide plate according to an embodiment of the present invention;

FIG. 5 is a first perspective view of a die body according to one embodiment of the present invention;

FIG. 6 is a second perspective view of the die body in one embodiment of the invention;

fig. 7 is an enlarged view of a portion a of fig. 2.

In the figure: 1. a mold body; 11. an upper die holder; 111. a feed inlet; 12. an upper die; 13. a lower die holder; 14. a base plate; 15. a bottom bearing block; 16. a support block; 17. a lower die; 2. a guide plate; 21. a card holder; 211. a card slot; 22. a rubber block; 3. a support mechanism; 31. a support plate; 311. a connecting seat; 312. a rotating shaft; 313. a motor; 314. a through groove; 315. a leak groove; 316. a connecting frame; 317. a helical gear; 32. a cooling assembly; 321. a water inlet pipe; 322. a spray head; 323. a clamping block; 33. a fixing plate; 331. and (4) draining holes.

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 device for a rear cover manufacturing mold includes a mold body 1 and a supporting mechanism 3; the die body 1 is arranged in the middle of the supporting mechanism 3;

the supporting mechanism 3 is composed of a supporting plate 31, a cooling assembly 32 and a fixing plate 33; the cooling assembly 32 is arranged around the support plate 31; the fixing plate 33 is arranged in the middle of the supporting plate 31; the die body 1 is arranged on a fixing plate 33;

the cooling assembly 32 is composed of a water inlet pipe 321, a spray head 322 and a fixture block 323; the water inlet pipe 321 is communicated with the bottom end of the spray head 322, and the spray head 322 is clamped in the fixture block 323; the four water inlet pipes 321 are arranged, and the four water inlet pipes 321 are respectively arranged around the support plate 31; four groups of fixture blocks 323 are correspondingly arranged, and the four groups of fixture blocks 323 are correspondingly arranged around the support plate 31 respectively.

When the cooling device works, the supporting mechanism 3 is arranged at the bottom end, the bottom end of the supporting mechanism 3 is provided with an external water storage tank for collecting cooling water, the cooling assembly 32 arranged on the supporting mechanism 3 can cool the die body 1 after the die body 1 is processed, the cooling assembly is characterized in that the cooling water arranged in the water storage tank at the bottom of the supporting mechanism 3 is absorbed by the water inlet pipe 321, then the cooling water is sprayed on the die body 1 through the spray head 322, the spray head 322 is fixed through the arrangement of the clamping block 323, so that the spray head 322 cannot move backwards due to water pressure in the process of spraying the cooling water, the normal work of the spray head 322 is ensured, the cooling water which is in contact with the die body 1 and realizes the cooling effect on the die body 1 falls under the action of self gravity and then enters the water storage tank arranged at the bottom of the supporting mechanism 3, and the circulating pump arranged at the bottom of the water storage tank can be matched under the condition of extremely small loss, realize the cooling of continuously cooling to mould body 1, and utilize cooling module 32, solved to a certain extent current manpower and splashed water and the extravagant physical problem that leads to, and cooling module 32 can be uninterrupted duty for a long time, has improved the cooling efficiency to mould body 1.

As an embodiment of the present invention, the die body 1 is composed of an upper die base 11, an upper die 12, a lower die base 13, a lower die 17 and a bottom plate 14; the bottom plate 14 is arranged at the bottom end of the lower die holder 13, and the lower die 17 is connected in the lower die holder 13 in a matching manner; an upper die 12 is clamped at the upper end of the lower die holder 13, and the upper die 12 is arranged right above a lower die 17; the upper end of the upper die 12 is clamped with an upper die base 11, and the bottom end of the upper die base 11 is clamped at the top end of a lower die base 13; a feed inlet 111 is formed in one end of the upper die holder 11, and the bottom end of the feed inlet 111 is communicated between the upper die 12 and the lower die 17; two ends of the lower die holder 13 are clamped with bottom bearing blocks 15; and supporting blocks 16 are fixedly connected to two sides of the lower die holder 13.

During operation, the lower mould 17 bottom in the mould body 1 is perforated with external beryllium copper heat conduction assembly, and at the in-process of production product, utilize this heat conduction assembly, can be efficient derive the high temperature between the upper and lower mould 17, the cooling module 32 of establishing is added to the cooperation outside, realizes the rapid cooling effect to mould body 1 to the machining efficiency of mould has fundamentally been improved.

As an embodiment of the present invention, the guide plate 2 is clamped on the outer side of the supporting mechanism 3; the guide plate 2 is arranged on the outer side of the die body 1, and the bottom end of the guide plate 2 is fixedly connected with clamping seats 21 at intervals; a clamping groove 211 is formed in the side wall of the clamping seat 21, and the clamping groove 211 is formed in the side wall of one end close to the supporting plate 31; the rubber block 22 is clamped in the clamping groove 211.

The during operation, guide board 2 is in the actual operation in-process, with its joint in the upper end of backup pad 31 by the manpower, utilize cooling module 32 to cool down when cooling to mould body 1, with the cooling water that mould body 1 contact is not vaporized, can fall on guide board 2 under the effect of self gravity, because the inboard edge of guide board 2 is provided with certain slope, consequently when the cooling water falls on guide board 2, can fall into the aqua storage tank of setting in 3 bottoms of supporting mechanism through the opening at guide board 2 middle part thereupon, thereby realize the cyclic utilization of cooling water.

As an embodiment of the present invention, the periphery of the supporting plate 31 is fixedly connected with symmetrically arranged connecting seats 311, and the inside of the connecting seats 311 is rotatably connected with a rotating shaft 312; one end of the latch 323 is rotatably connected to the rotating shaft 312, and the latch 323 is disposed between the two side connecting seats 311.

During operation, connecting seat 311 that support plate 31 edge all around set up is used for connecting pivot 312, and provide supporting role to pivot 312, fixture block 323 rotates on pivot 312 thereupon when pivot 312 rotates, and when fixture block 323 rotated, the both sides of fixture block 323 received the spacing of connecting seat 311, and be provided with the torsional spring between fixture block 323 and connecting seat 311, at the in-process of actual operation, motor 313 drives pivot 312 and rotates certain angle, the torsional spring power of accumulating this moment, and drive pivot 312 when motor 313 does not act on and revolve to initial position, be convenient for the processing of follow-up mould body 1 interior product.

As an embodiment of the present invention, two ends of the rotating shaft 312 are connected to the upper end side wall of the supporting plate 31 through holes, and a bearing seat is disposed at the connection position of the rotating shaft 312 and the supporting plate 31; four groups of rotating shafts 312 are symmetrically arranged, and the tail end of one group of rotating shafts 312 is fixedly connected with a motor 313; the motor 313 is disposed on the support plate 31.

During operation, the connecting position of the rotating shaft 312 and the supporting plate 31 is provided with a bearing seat, which is used for supporting the rotating shaft 312, and the symmetrically arranged bearing seats can keep the front and rear ends of the four groups of rotating shafts 312 on a horizontal plane, so that the problem of meshing between adjacent helical gears 317 caused by gaps generated between adjacent rotating shafts 312 is avoided.

As an embodiment of the present invention, a leakage groove 315 is formed in the middle of the top end of the supporting plate 31; all seted up logical groove 314 in the middle part all around of backup pad 31, just cooling module 32 sets up in logical groove 314.

During operation, the leak source 315 that the backup pad 31 middle part set up is used for supplying the cooling water backward flow, and the cooling water of backward flow can carry out the used cyclically to reduce the expenditure cost of cooling water, the cost of the mould processing that has reduced of phase-changing.

As an embodiment of the present invention, a connection frame 316 is disposed inside the through slot 314, and the connection frame 316 has a "cross" structure; the four corners of the connecting frame 316 are fixedly connected to the side walls of the drain tank 315.

As an embodiment of the present invention, the front ends of the rotating shafts 312 are fixedly connected with bevel gears 317, and the bevel gears 317 are correspondingly arranged at the ends of the three sets of rotating shafts 312; and two adjacent groups of bevel gears 317 are in meshed connection.

During operation, after the rotating shaft 312 directly connected with the motor 313 rotates, the rotating shaft 312 at the adjacent end can be driven to rotate by the bevel gear 317 arranged at the other end of the rotating shaft 312, and similarly, the rotating shafts 312 positioned around the supporting plate 31 can be driven by the motor 313 to directly or indirectly rotate, so that the four groups of rotating shafts 312 are driven to rotate under the driving of the motor 313, the rotating angles of the rotating shafts 312 can be controlled, and the spraying angle of the cooling assembly 32 can be adjusted.

As an embodiment of the present invention, the middle of the fixing plate 33 is provided with three drainage holes 331, and the drainage holes 331 are provided in three groups; three sets of the drainage holes 331 are circumferentially and symmetrically formed on the surface of the fixing plate 33.

The during operation, waterlogging caused by excessive rainfall hole 331 sets up on fixed plate 33, and mould body 1 places on fixed plate 33, when cooling module 32 cooled down mould body 1, and partial cooling water probably gets into mould body 1 bottom through the space between fixed plate 33 and the mould body 1, makes this small part cooling water can get into the external storage water tank in bottom along waterlogging caused by excessive rainfall hole 331 through setting up waterlogging caused by excessive rainfall hole 331, realizes the cyclic utilization of cooling water.

The working principle is as follows: because the cooling effect direct influence to the mould in the mould processing trade efficiency of mould processing and the cost of mould production, therefore the cooling for the mould in the trade is very valued, utilize the cooling module 32 of peripheral hardware to cool down the mould at the device, in-process at mould production can not cause any interference to the mould, and avoided the tradition to splash the operation of water cooling by the manpower, the manpower has been saved to a certain extent, and set up the storage water tank in supporting mechanism 3's bottom, cooperation guide board 2 is with the cooling water backward flow, thereby realize the backward flow of cooling water, the circulation use of cooling water is realized to the cooperation circulating pump, thereby can be incessant for a long time cool down cooling to mould body 1, avoid constantly adding the condition of cooling water, the device's theory of operation specifically does: the cooling water in the water storage tank at the bottom of the supporting mechanism 3 is absorbed by the water inlet pipe 321, then the cooling water is sprayed on the die body 1 through the spray head 322, and the spray head 322 is fixed by arranging the fixture block 323, so that the spray head 322 can not move backwards due to water pressure in the process of spraying the cooling water, the normal work of the spray head 322 is ensured, the cooling water which is contacted with the die body 1 and realizes the cooling effect on the die body 1 falls under the action of self gravity and then enters the water storage tank at the bottom of the supporting mechanism 3, thereby the continuous cooling of the die body 1 can be realized under the extremely small loss by matching with a circulating pump arranged at the bottom of the water storage tank, the problem of physical waste caused by the water splashing of the existing manpower is solved to a certain extent by utilizing the cooling component 32, the cooling component 32 can work uninterruptedly for a long time, the cooling efficiency of the die body 1 is improved, wherein guide board 2 is in the actual operation in-process, with its joint in the upper end of backup pad 31 by the manpower, when utilizing cooling module 32 to cool down mould body 1, with the cooling water that mould body 1 contact is not vaporized, can fall down on guide board 2 under the effect of self gravity, because the inboard edge of guide board 2 is provided with certain slope, consequently when the cooling water falls on guide board 2, can fall into the aqua storage tank that sets up in 3 bottoms of supporting mechanism through the opening in guide board 2 middle part thereupon, thereby realize the cyclic utilization of cooling water.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.

Claims

1. The utility model provides a back lid cooling device for manufacturing mould which characterized in that: comprises a mould body (1) and a supporting mechanism (3); the die body (1) is arranged in the middle of the supporting mechanism (3);

the supporting mechanism (3) consists of a supporting plate (31), a cooling component (32) and a fixing plate (33); the cooling assembly (32) is arranged around the support plate (31); the fixing plate (33) is arranged in the middle of the supporting plate (31); the die body (1) is arranged on the fixing plate (33);

the cooling assembly (32) consists of a water inlet pipe (321), a spray head (322) and a fixture block (323); the water inlet pipe (321) is communicated with the bottom end of the spray head (322), and the spray head (322) is clamped in the clamping block (323); the four water inlet pipes (321) are arranged in four groups, and the four groups of water inlet pipes (321) are respectively arranged on the periphery of the supporting plate (31); the four groups of fixture blocks (323) are correspondingly arranged, and the four groups of fixture blocks (323) are respectively and correspondingly arranged on the periphery of the supporting plate (31).

2. The cooling device for the rear cover manufacturing mold according to claim 1, wherein: the die body (1) consists of an upper die base (11), an upper die (12), a lower die base (13), a lower die (17) and a bottom plate (14); the bottom plate (14) is arranged at the bottom end of the lower die holder (13), and the lower die (17) is connected in the lower die holder (13) in a matching manner; an upper die (12) is clamped at the upper end of the lower die holder (13), and the upper die (12) is arranged right above the lower die (17); the upper end of the upper die (12) is clamped with an upper die base (11), and the bottom end of the upper die base (11) is clamped at the top end of a lower die base (13); a feed inlet (111) is formed in one end of the upper die holder (11), and the bottom end of the feed inlet (111) is communicated between the upper die (12) and the lower die (17); two ends of the lower die holder (13) are clamped with bottom bearing blocks (15); and supporting blocks (16) are fixedly connected to two sides of the lower die holder (13).

3. The cooling device for the rear cover manufacturing mold according to claim 2, wherein: the guide plate (2) is clamped and connected to the outer side of the supporting mechanism (3); the guide plate (2) is arranged on the outer side of the die body (1), and clamping seats (21) are fixedly connected to the bottom end of the guide plate (2) at intervals; a clamping groove (211) is formed in the side wall of the clamping seat (21), and the clamping groove (211) is formed in the side wall of one end close to the supporting plate (31); the rubber block (22) is clamped in the clamping groove (211).

4. The cooling device for the rear cover manufacturing mold according to claim 3, wherein: the periphery of the supporting plate (31) is fixedly connected with symmetrically arranged connecting seats (311), and the inside of each connecting seat (311) is rotatably connected with a rotating shaft (312); one end of the fixture block (323) is rotatably connected to the rotating shaft (312), and the fixture block (323) is arranged between the two side connecting seats (311).

5. The cooling device for the rear cover manufacturing mold according to claim 4, wherein: two ends of the rotating shaft (312) are connected to the side wall of the upper end of the supporting plate (31) in a penetrating way, and a bearing seat is arranged at the connecting part of the rotating shaft (312) and the supporting plate (31); four groups of rotating shafts (312) are symmetrically arranged, and the tail end of one group of rotating shafts (312) is fixedly connected with a motor (313); the motor (313) is arranged on the support plate (31).

6. The cooling device for the rear cover manufacturing mold according to claim 5, wherein: a leakage groove (315) is formed in the middle of the top end of the supporting plate (31); all seted up logical groove (314) in the middle part all around of backup pad (31), just cooling module (32) set up in leading to groove (314).

7. The cooling device for the rear cover manufacturing mold according to claim 6, wherein: a connecting frame (316) is arranged in the through groove (314), and the connecting frame (316) is of a cross-shaped structure; the four corners of the connecting frame (316) are fixedly connected to the side wall of the drain chute (315).

8. The cooling device for the rear cover manufacturing mold according to claim 7, wherein: the front ends of the rotating shafts (312) are fixedly connected with bevel gears (317), and the bevel gears (317) are correspondingly arranged at the tail ends of the three groups of rotating shafts (312); and two adjacent groups of bevel gears (317) are in meshed connection.

9. The cooling device for the rear cover manufacturing mold according to claim 8, wherein: the middle part of the fixing plate (33) is provided with three draining holes (331), and the three draining holes (331) are arranged; the three groups of water draining holes (331) are circumferentially and symmetrically arranged on the surface of the fixing plate (33).