PP plate mold

Abstract

The utility model relates to the technical field of dies, in particular to a PP plate die which comprises a support, a support fixed at the top end of the support, a hydraulic cylinder fixed at the top end of the support, a piston rod of the hydraulic cylinder penetrating through the top end of the support and connected with an upper die through a bolt, a lower die arranged below the upper die, and a cavity arranged at the top end of the lower die. A cooling water channel is arranged at the bottom end of the lower die, a baffle is fixed to the bottom end of the lower die and connected with a support through bolts, a cooling liquid box, a descaling agent box, a water pump and a collecting tank are arranged on one side of the support, and first valves are fixed to the sides, away from the support, of the cooling liquid box, the descaling agent box and the collecting tank; the end, away from the water pump, of the guide pipe extends into the cooling water channel, and the end, away from the guide pipe, of the cooling water channel is provided with a bent pipe. Cooling of the lower die is facilitated, and water scale in the cooling water channel can be cleaned conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a PP plate mold. Background Art

[0002] Molds are various molds and tools used in industrial production to obtain the desired products by injection molding, blow molding, extrusion, die casting or forging, smelting, stamping and other methods. In short, molds are tools used to make molded objects. This tool is composed of various parts, and different molds are composed of different parts. PP sheets need to use molds in the production process. In order to improve the cooling efficiency of the mold, a cooling water channel is usually set in the mold. After the mold has been used for a period of time, scale is easily accumulated in the cooling water channel, affecting the heat dissipation of the mold. Therefore, a PP sheet mold is proposed to facilitate the cleaning of scale. Utility Model Content

[0003] In view of the problems in the prior art, the utility model provides a PP plate mold.

[0004] The technical solution adopted by the utility model to solve the technical problem is a PP plate mold, comprising a support, a support is fixed on the top of the support, a hydraulic cylinder is fixed on the top of the support, a piston rod of the hydraulic cylinder penetrates the top of the support and is connected with an upper mold by bolts, a lower mold is arranged below the upper mold, a cavity is arranged on the top of the lower mold, a cooling water channel is arranged at the bottom of the lower mold, a baffle is fixed on the bottom of the lower mold, the baffle is connected with the support by bolts, a coolant tank, a descaling agent tank, a water pump and a collecting tank are arranged on one side of the support, a first valve is fixed on the coolant tank, the descaling agent tank and the collecting tank on the side away from the support, a transverse pipe is fixed on the water inlet pipe of the water pump, three of the first valves are connected with the transverse pipe, a partition is fixed in the collecting tank, a conduit is fixed on the drain pipe of the water pump, one end of the conduit away from the water pump extends into the cooling water channel, one end of the cooling water channel away from the conduit is provided with a bent pipe, one end of the bent pipe away from the cooling water channel is fixed with a second valve, and one end of the second valve away from the bent pipe is fixed with a hose.

[0005] By adopting the above technical scheme, the first valves on the descaling agent box and the collecting tank are closed, the first valve on the coolant tank is opened, the second valve is opened, the water pump draws the coolant in the coolant tank, and the coolant enters the cooling water path through the conduit, which is beneficial to the cooling of the lower mold, and the coolant with heat is discharged into the collecting tank through the second valve and the hose to realize the recovery of the coolant. After the coolant in the collecting tank is cooled, the first valve on the collecting tank is opened, and the water pump draws the coolant in the collecting tank to realize the recycling of the coolant. When it is necessary to clean the scale in the cooling water path, the first valve on the coolant tank and the collecting tank is closed, the first valve on the descaling agent box is opened, the second valve is closed, the water pump draws the descaling agent in the descaling agent box, and the descaling agent enters the cooling water path. After a period of time, the second valve is opened, and the bottom end of the hose is placed in the chamber on the side of the partition away from the descaling agent box, which is convenient for cleaning the cooling water path and collecting waste liquid, and avoids scale accumulation affecting the cooling of the lower mold.

[0006] Specifically, two guide plates are fixed to the top of the upper mold, and the tops of the two guide plates both penetrate the bracket.

[0007] By adopting the above technical solution and setting of the guide plate, the stability of the upper mold can be improved.

[0008] Specifically, a plurality of first heat dissipation plates are fixed on both sides of the lower mold.

[0009] By adopting the above technical solution, the provision of the first heat sink is beneficial to the heat dissipation of the lower mold.

[0010] Specifically, a plurality of second heat dissipation plates are fixed to a side of the collecting tank away from the support.

[0011] By adopting the above technical solution, the provision of the second heat sink is beneficial to cooling the coolant in the collection tank.

[0012] Specifically, the tops of the coolant tank and the descaling agent tank are both provided with liquid filling ports, and protective covers are provided in the two liquid filling ports. The coolant tank and the descaling agent tank are both provided with observation windows on the side away from the support, and glass is provided in the two observation windows.

[0013] By adopting the above technical solution, the remaining amount of liquid in the coolant tank and the descaling agent tank can be conveniently observed through the two observation windows and the glass.

[0014] Specifically, a cleaning port is provided on a side of the collecting tank away from the coolant tank, a plugging cover is provided in the cleaning port, an external thread is provided on the outer side of the plugging cover, and an internal thread matching the external thread on the outer side of the plugging cover is provided on the collecting tank.

[0015] By adopting the above technical solution, the waste liquid in the collection tank can be discharged by unscrewing the plugging cover.

[0016] Beneficial effects of the utility model:

[0017] (1) The utility model discloses a PP sheet mold. The first valves on the descaling agent box and the collecting tank are closed. The first valve on the coolant tank is opened. The second valve is opened. The water pump draws the coolant in the coolant tank. The coolant enters the cooling water path through the conduit, which is beneficial to the cooling of the lower mold. The coolant with heat is discharged into the collecting tank through the second valve and the hose to realize the recovery of the coolant. After the coolant in the collecting tank is cooled, the first valve on the collecting tank is opened. The water pump draws the coolant in the collecting tank to realize the recycling of the coolant. When it is necessary to clean the scale in the cooling water path, the first valves on the coolant tank and the collecting tank are closed. The first valve on the descaling agent box is opened. The second valve is closed. The water pump draws the descaling agent in the descaling agent box. The descaling agent enters the cooling water path. After a period of time, the second valve is opened. The bottom end of the hose is placed in the chamber on the side of the partition away from the descaling agent box. This is convenient for cleaning the cooling water path and collecting waste liquid, and avoids the accumulation of scale and affecting the cooling of the lower mold.

[0018] (2) The PP sheet mold described in the utility model has a first heat sink that is beneficial to the heat dissipation of the lower mold, and a second heat sink that is beneficial to the cooling of the coolant in the collecting tank. The two observation windows and glass facilitate observation of the remaining amount of liquid in the coolant tank and the descaling agent tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0020] Figure 1 It is a structural schematic diagram of the utility model;

[0021] Figure 2 It is a cross-sectional view of the lower mold of the utility model;

[0022] Figure 3 For the utility model Figure 1 A magnified view of the structure in the middle.

[0023] In the figure: 1. support; 2. lower mold; 201. cooling water channel; 202. baffle; 203. first heat sink; 3. upper mold; 4. bracket; 5. guide plate; 6. hydraulic cylinder; 7. conduit; 8. protective cover; 9. coolant tank; 10. glass; 11. descaling agent tank; 12. water pump; 13. cross pipe; 14. first valve; 15. collecting tank; 16. second heat sink; 17. partition; 18. plugging cover; 19. elbow; 20. second valve; 21. hose. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0025] In order to facilitate the cleaning of the cooling water channel 201, as an embodiment of the present utility model, Figure 1 , Figure 2 , Figure 3 As shown, a PP sheet mold described in the utility model includes a support 1, a support 4 is welded and fixed to the top of the support 1, a hydraulic cylinder 6 is fixed to the top of the support 4 by bolts, a piston rod of the hydraulic cylinder 6 passes through the top of the support 4 and is connected to an upper mold 3 by bolts, a lower mold 2 is provided below the upper mold 3, a cavity is provided at the top of the lower mold 2, a cooling water channel 201 is provided at the bottom end of the lower mold 2, a baffle 202 is welded and fixed to the bottom end of the lower mold 2, and the baffle 202 is connected to the support 1 by bolts, a coolant tank 9, a descaling agent tank 11, a water pump 12 and a collecting tank 15 are provided on one side of the support 1, and a first valve 14 is welded and fixed to the coolant tank 9, the descaling agent tank 11 and the collecting tank 15 away from the support 1. A cross pipe 13 is welded and fixed on the water inlet pipe of the water pump 12, and the three first valves 14 are welded to the cross pipe 13. A partition 17 is welded and fixed in the collecting tank 15, and the partition 17 divides the space inside the collecting tank 15 into two chambers, one chamber is used to collect coolant, and the other chamber is used to collect waste liquid. A conduit 7 is welded and fixed on the drain pipe of the water pump 12, and the end of the conduit 7 away from the water pump 12 extends into the cooling water channel 201, and the end of the cooling water channel 201 away from the conduit 7 is provided with a bend 19, and the bend 19 and the conduit 7 are welded to the lower mold 2, and a second valve 20 is welded and fixed on the end of the bend 19 away from the cooling water channel 201, and a hose 21 is welded and fixed on the end of the second valve 20 away from the bend 19.

[0026] When in use, close the first valve 14 on the descaling agent box 11 and the collecting tank 15, open the first valve 14 on the coolant tank 9, open the second valve 20, and the water pump 12 extracts the coolant in the coolant tank 9. The coolant enters the cooling water path 201 through the conduit 7, which is beneficial to the cooling of the lower mold 2. The coolant with heat is discharged into the collecting tank 15 through the second valve 20 and the hose 21 to realize the recovery of the coolant. After the coolant in the collecting tank 15 is cooled, open the first valve 14 on the collecting tank 15, and the water pump 12 extracts the coolant in the collecting tank 15 to realize For the recycling of the coolant, when it is necessary to clean the scale in the cooling water circuit 201, close the first valve 14 on the coolant tank 9 and the collecting tank 15, open the first valve 14 on the descaling agent tank 11, close the second valve 20, and the water pump 12 extracts the descaling agent in the descaling agent tank 11, and the descaling agent enters the cooling water circuit 201. After a period of time, open the second valve 20, and place the bottom end of the hose 21 in the chamber on the side of the partition 17 away from the descaling agent tank 11, so as to facilitate the cleaning of the cooling water circuit 201 and the collection of waste liquid, and avoid the accumulation of scale and the influence of the cooling of the lower mold 2.

[0027] In order to improve the stability of the upper mold 3, for example, Figure 1 As shown, two guide plates 5 are welded and fixed to the top of the upper mold 3 , and the tops of the two guide plates 5 both penetrate the bracket 4 .

[0028] In order to facilitate the heat dissipation of the lower mold 2, for example, Figure 3 As shown, a plurality of first heat dissipation plates 203 are welded and fixed on both sides of the lower mold 2 .

[0029] In order to facilitate the cooling of the coolant in the collecting tank 15, for example, Figure 1 As shown, a plurality of second heat dissipation plates 16 are welded and fixed to one side of the collecting tank 15 away from the support 1 .

[0030] In order to facilitate observation of the conditions inside the coolant tank 9 and the descaling agent tank 11, for example, Figure 1 As shown, the top of the coolant tank 9 and the descaling agent tank 11 are both provided with a liquid filling port, and a protective cover 8 is provided in the two liquid filling ports. The coolant tank 9 and the descaling agent tank 11 are both provided with an observation window on the side away from the support 1, and glass 10 is provided in the two observation windows.

[0031] In order to facilitate the cleaning of the waste liquid in the collection tank 15, exemplary, as Figure 1 As shown, the collecting tank 15 is provided with a cleaning port on one side away from the coolant tank 9 , a plugging cover 18 is provided in the cleaning port, an outer side of the plugging cover 18 is provided with an external thread, and the collecting tank 15 is provided with an internal thread adapted to the external thread on the outer side of the plugging cover 18 .

[0032] When the utility model is used, the first valve 14 on the descaling agent box 11 and the collecting tank 15 is closed, the first valve 14 on the coolant tank 9 is opened, the second valve 20 is opened, and the liquid raw material is injected into the cavity at the top of the lower mold 2, and the piston rod of the hydraulic cylinder drives the upper mold 3 to move downward to realize the injection molding of the PP sheet;

[0033] The water pump 12 extracts the coolant in the coolant tank 9, and the coolant enters the cooling water path 201 through the conduit 7, which is beneficial to the cooling of the lower mold 2. The coolant with heat is discharged into the collecting tank 15 through the second valve 20 and the hose 21 to realize the recovery of the coolant. After the coolant in the collecting tank 15 is cooled, the first valve 14 on the collecting tank 15 is opened, and the water pump 12 extracts the coolant in the collecting tank 15 to realize the recycling of the coolant.

[0034] When it is necessary to clean the scale in the cooling water circuit 201, close the first valve 14 on the coolant tank 9 and the collecting tank 15, open the first valve 14 on the descaling agent tank 11, close the second valve 20, and the water pump 12 extracts the descaling agent in the descaling agent tank 11, and the descaling agent enters the cooling water circuit 201. After a period of time, open the second valve 20 and place the bottom end of the hose 21 in the chamber on the side of the partition 17 away from the descaling agent tank 11, so as to facilitate the cleaning of the cooling water circuit 201 and the collection of waste liquid, and avoid scale accumulation affecting the cooling of the lower mold 2.

[0035] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the description in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements fall within the scope of protection claimed by the utility model. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents. The contents not described in detail in the utility model belong to the prior art known to those skilled in the art.

Claims

1. A PP sheet mold, characterized in that: The invention comprises a support (1), a bracket (4) is fixed at the top of the support (1), a hydraulic cylinder (6) is fixed at the top of the bracket (4), a piston rod of the hydraulic cylinder (6) passes through the top of the bracket (4) and is connected to an upper mold (3) by bolts, a lower mold (2) is provided below the upper mold (3), a cavity is provided at the top of the lower mold (2), a cooling water channel (201) is provided at the bottom of the lower mold (2), a baffle (202) is fixed at the bottom of the lower mold (2), and the baffle (202) is connected to the support (1) by bolts, a coolant tank (9), a descaling agent tank (11), a water pump (12) and a collecting tank (15) are provided on one side of the support (1), and the coolant tank (9), the descaling agent tank (11) and A first valve (14) is fixed on one side of the collecting tank (15) away from the support (1); a transverse pipe (13) is fixed on the water inlet pipe of the water pump (12); the three first valves (14) are connected to the transverse pipe (13); a partition (17) is fixed in the collecting tank (15); a conduit (7) is fixed on the drainage pipe of the water pump (12); one end of the conduit (7) away from the water pump (12) extends into the cooling water path (201); an end of the cooling water path (201) away from the conduit (7) is provided with a bent pipe (19); one end of the bent pipe (19) away from the cooling water path (201) is fixed with a second valve (20); and one end of the second valve (20) away from the bent pipe (19) is fixed with a hose (21).

2. A PP sheet mold according to claim 1, characterized in that: Two guide plates (5) are fixed to the top of the upper mold (3), and the tops of the two guide plates (5) both pass through the bracket (4).

3. A PP sheet mold according to claim 1, characterized in that: A plurality of first heat dissipation plates (203) are fixed on both sides of the lower mold (2).

4. A PP sheet mold according to claim 1, characterized in that: A plurality of second heat dissipation plates (16) are fixed to a side of the collecting tank (15) away from the support (1).

5. A PP sheet mold according to claim 1, characterized in that: The tops of the coolant tank (9) and the descaling agent tank (11) are both provided with liquid filling ports, and protective covers (8) are both provided inside the two liquid filling ports. The coolant tank (9) and the descaling agent tank (11) are both provided with observation windows on the side away from the support (1), and glass (10) is provided inside the two observation windows.

6. A PP sheet mold according to claim 1, characterized in that: A cleaning port is provided on a side of the collecting tank (15) away from the coolant tank (9), a plugging cover (18) is provided in the cleaning port, an outer side of the plugging cover (18) is provided with an external thread, and the collecting tank (15) is provided with an internal thread that matches the external thread on the outer side of the plugging cover (18).

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