A cooling system and mold for injection molding of automobile lampshade

Abstract

The present invention provides a cooling system and mold for the injection molding of automobile lampshades, which relates to the technical field of automobile lampshade manufacturing, including: a base, a lower mold, an upper mold, a mold lifting plate, a mold lifting cylinder, a cooling docking die head, a compressor, a cooling delivery pipe, an auxiliary cooling pool and a controller; a lower mold is fixedly installed on the upper end of the base, and a corresponding upper mold is arranged above the lower mold; a mold lifting plate is vertically arranged on the back of the lower mold and the upper mold, and the lower end of the mold lifting plate is vertically fixedly connected to the base, and an auxiliary cooling pool is fixedly welded at the lower end of the back of the mold lifting plate flush with the base. The present invention uses an efficient coolant circulation system, which can quickly take away the heat generated during the injection molding process, effectively shorten the cooling time of the mold, and thus significantly improve production efficiency. This not only speeds up the molding speed of the product, but also reduces the production stagnation caused by waiting for the mold to cool, creating greater economic benefits for the enterprise.

Description

Technical Field

[0001] The invention relates to the technical field of automobile lampshade manufacturing, in particular to a cooling system and a mold for injection molding of an automobile lampshade. Background Art

[0002] In the background technology of injection molding lampshade production, the design and optimization of mold cooling system has always been the key link to improve production efficiency and ensure product quality. With the continuous development of injection molding technology and the increasing diversification of market demand, traditional mold cooling methods have been unable to meet the production requirements of high efficiency, precision and energy saving.

[0003] Traditional mold cooling systems often use simple cooling water channel layouts and manual control methods, which have problems such as uneven cooling, high energy consumption, and difficult maintenance. These problems not only affect the quality and production efficiency of the injection molded lampshade, but also increase production costs and energy consumption. These problems are particularly prominent in mass production and high-precision injection molding production. Summary of the invention

[0004] The present invention relates to a cooling system and mold for automobile lampshade injection molding, which realizes real-time monitoring and precise control of mold temperature by introducing innovative means such as high-precision sensors, intelligent control algorithms and modular design. At the same time, combined with the research results of fluid mechanics and heat conduction theory, the layout and flow distribution of cooling water channels are optimized, and the cooling efficiency and uniformity are improved.

[0005] The present invention provides a cooling system and mold for injection molding of automobile lampshades, which specifically include: a base, a lower mold, an upper mold, a mold-lifting vertical plate, a mold-lifting cylinder, a cooling docking die head, a compressor, a cooling delivery pipe, an auxiliary cooling pool and a controller; the lower mold is fixedly installed on the upper end of the base, and a corresponding upper mold is arranged above the lower mold; a mold-lifting vertical plate is vertically arranged on the backs of the lower mold and the upper mold, and the lower ends of the mold-lifting vertical plates are vertically fixedly connected to the base, and an auxiliary cooling pool is fixedly welded at a position where the lower end of the back of the mold-lifting vertical plate is flush with the base, and cooling water is contained in the auxiliary cooling pool; a mold-lifting cylinder is vertically fixedly installed at the middle of the upper end of the back of the mold-lifting vertical plate; horizontal "I"-shaped "H ... The cooling butt die head has a shape, and the two cooling butt die heads on the left and right sides of the lower mold have the same structure. An extended butt tube is vertically extended outward at the middle position of the outer end side wall of the cooling butt die head. A cooling delivery pipe is connected between the extended butt tubes of the left and right cooling butt die heads. The cooling delivery pipe passes through the back of the mold lifting vertical plate to form a closed loop between the lower mold and the upper mold. The cooling delivery pipe is filled with coolant; a compressor is connected to the position where the extended butt tube, one end of which serves as the coolant outlet, is connected to the cooling delivery pipe. The end of the compressor connected to the extended butt tube is the low-pressure end, and the end of the compressor connected to the cooling delivery pipe is the high-pressure end; a controller is fixedly mounted at a corner on the upper end of the back of the mold lifting vertical plate, and the controller is used to control and coordinate the work of various parts.

[0006] Optionally, two lower circulation pipes are built in the left and right positions of the lower mold corresponding to the cooling docking die head, the lower circulation pipes are fixedly connected to the cooling docking die head, and the two lower circulation pipes are distributed along the left and right ends of the injection lampshade in the lower mold.

[0007] Optionally, a T-shaped lifting and pulling connection block is fixedly connected backwards at a position on the top plane of the upper mold corresponding to the middle of the mold lifting vertical plate;

[0008] When the upper mold and the lower mold are relatively combined, two upper circulation pipes are built in the left and right positions corresponding to the cooling butt die head. The two upper circulation pipes are distributed along the left and right ends of the injection lampshade in the upper mold.

[0009] Optionally, a lifting and movable hole is vertically opened in the middle of the mold lifting upright plate and runs through the front and back. Guide edge strips are vertically fixed on the front end side walls of the mold lifting upright plate on the left and right sides of the lifting and movable hole. The lifting and pulling connecting block passes through the lifting and movable hole and is vertically slidably engaged with the guide edge strip. The upper end of the lifting and pulling connecting block is vertically fixedly connected to the end of the piston rod of the mold lifting cylinder. The mold lifting cylinder drives the upper mold to move vertically in the lifting and movable hole through the lifting and pulling connecting block.

[0010] Optionally, the upper end of the side wall of the cooling docking die head opposite to the upper die is symmetrically provided with a positioning notch corresponding to the upper circulation pipe in the vertical direction, the inner cavity at the lower end of the positioning notch is a through-port connected to the inner cavity of the cooling docking die head, and the upper end of the positioning notch is a chamfered structure, and when the lower die and the upper die are relatively combined, the upper circulation pipe is sealed and docked to the through-port along the positioning notch;

[0011] The outer end of the control ball valve connecting rod on the extended butt joint pipe is fixedly connected with a ball valve control gear, and the upper end of the extended butt joint pipe is parallelly fixedly connected with a guide rod, and an arc-shaped guide connecting sleeve block is slidably sleeved on the guide rod, and the inner end of the guide connecting sleeve block is tangent to the outer wall of the extended butt joint pipe by sliding, and the left and right ends of the guide connecting sleeve block are respectively fixedly connected with driving connecting blocks, and the bottom of the driving connecting block corresponding to the ball valve control gear is provided with a tooth groove, and the tooth groove is meshed with the ball valve control gear, and a trigger protrusion is inlaid on the side wall of the bottom of the other driving connecting block close to the cooling butt joint die head;

[0012] A locking drive frame is vertically fixed upward at the upper end position of the connection between the extended docking tube and the cooling docking die head, a locking electric cylinder is vertically fixed on the locking drive frame, the locking electric cylinder and the extended docking tube are parallel to each other, the end of the piston rod of the locking electric cylinder is vertically fixedly connected to a locking drive seat, the bottoms of both ends of the locking drive seat are respectively fixedly connected to the ends of the driving connecting blocks on the corresponding sides, and the locking drive seat is rotatably connected to left and right symmetrical limiting connecting rods through pin shafts in the recesses in the side walls of one end of the locking drive seat close to the cooling docking die head, and the other end of the limiting connecting rod is provided with a waist-shaped pin hole;

[0013] A trigger middle block is vertically fixed at the middle position of the concave surface of the upper end of the cooling docking die head, and limit frames are horizontally arranged on the cooling docking die heads on the left and right sides of the trigger middle block, respectively. A limit rod is vertically slidably penetrated on the limit frame, one end of the limit rod is vertically slidably inserted into the alignment slot, and the end is a ball head structure, and the other end of the limit rod is a fork structure. The waist-shaped pin hole of the limit connecting rod is rotatably connected with the fork end of the limit rod through a pin shaft, and the waist-shaped pin hole provides a movable margin space for the pin shaft at the connection, and a retaining ring is fixed on the rod body at one end of the limit rod close to the alignment slot, and a spring is arranged between the retaining ring and the limit frame, and under the natural elastic force of the spring, the ball head part of the limit rod is exposed in the alignment slot;

[0014] The trigger middle block is provided with a first trigger switch on the side wall opposite to the left and right limit rods. When the upper circulation pipe is inserted into the alignment slot, the two limit rods are squeezed and touch the first trigger switch. The first trigger switch triggers and sends a signal to the controller, the locking electric cylinder works, the piston rod is pushed out, and the limit connecting rod pushes the limit connecting rod to be inserted into the alignment slot to block the upper circulation pipe. The upper circulation pipe is sealed and connected to the inner cavity opening of the cooling docking die head.

[0015] A third trigger switch is fixedly provided at a position on the side wall of the cooling butt die head corresponding to the trigger protrusion on the driving connecting block;

[0016] When the piston rod of the locking electric cylinder is pushed out, the driving connecting block is synchronously driven to move with it, and the ball valve control gear rotates to open and extend the docking pipe. At the same time, the driving connecting block squeezes the third trigger switch through the trigger protrusion, and the third trigger switch sends a signal to the controller, the compressor works, and the coolant circulates.

[0017] Optionally, the portion of the cooling conveying pipe located on the auxiliary cooling pool is a serpentine reciprocating distribution structure.

[0018] Optionally, a wetting plate extends upward from a position in the auxiliary cooling pool near the side wall of the mold lifting plate, the wetting plate is located between the serpentine cooling conveying pipe section and the mold lifting plate, and a cooling fan is provided at the outer end of the auxiliary cooling pool.

[0019] The present invention provides a cooling system and a mold for injection molding of an automobile lampshade, which have the following beneficial effects:

[0020] First, through the efficient coolant circulation system, the system can quickly remove the heat generated during the injection molding process, effectively shortening the cooling time of the mold, thereby significantly improving production efficiency. This not only speeds up the molding speed of the product, but also reduces the production stagnation caused by waiting for the mold to cool, creating greater economic benefits for the company.

[0021] Secondly, the system adopts a precise mechanical structure and sealing design to ensure the stability and uniformity of the coolant during the circulation process. This design enables the injection-molded lampshade to be fully and evenly cooled in the mold, effectively avoiding quality problems such as product deformation and shrinkage caused by local overheating or uneven cooling. Therefore, the system plays an important role in ensuring product quality.

[0022] In addition, the system also achieves optimal use of cooling resources. Through the serpentine reciprocating cooling pipe layout and the design of the auxiliary cooling pool, the system can fully utilize the cooling capacity of the coolant and improve the heat exchange efficiency. At the same time, the addition of cooling fans and wetting plates further enhances the cooling effect and reduces energy consumption. This resource-saving design not only reduces production costs, but also meets the requirements of modern industry for sustainable development.

[0023] Finally, the system also performs well in terms of ease of operation. Through the integrated controller and automated actuator, the system achieves precise control and remote monitoring of the cooling process. Operators can start, stop, and adjust parameters of the entire system through a simple operation interface. This humanized design not only reduces the difficulty of operation and labor intensity, but also improves the safety and reliability of production.

[0024] In summary, the beneficial effects of this system in the production process of injection molded lampshades are multifaceted and significant. It not only improves production efficiency, ensures product quality, optimizes resource utilization, but also enhances operational convenience. These advantages make the system have broad application prospects and market competitiveness in the injection molding industry. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0026] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0027] In the attached picture:

[0028] Figure 1 A schematic diagram of the first axial view of the present invention is shown;

[0029] Figure 2 A second axial structural schematic diagram of the present invention is shown;

[0030] Figure 3 It shows a schematic diagram of the axial structure of the upper mold and the lower mold in a state of being separated from each other;

[0031] Figure 4 The present invention shows Figure 3 A is a schematic diagram of the structure of the enlarged part;

[0032] Figure 5 It shows a schematic diagram of the axial structure of the cooling butt joint die head and the compressor part of the present invention;

[0033] Figure 6 It shows a schematic diagram of the axial structure of the cooling butt die head of the present invention in a split state;

[0034] Figure 7 It shows a schematic diagram of the axial structure of the cooling butt die head part of the present invention in a further split state;

[0035] Figure 8 The schematic diagram of the axial structure of the driving connecting block and the guide connecting sleeve block of the present invention is shown.

[0036] Reference numerals list

[0037] 1. Base;

[0038] 2. Lower mold; 201. Lower circulation pipe;

[0039] 3. Upper mold; 301. Lifting and pulling connecting block; 302. Upper circulation pipe;

[0040] 4. Lifting mold vertical plate; 401. Lifting movable hole; 402. Guide edge strip;

[0041] 5. Mold lifting cylinder;

[0042] 6. Cooling and docking die head; 601. Alignment notch; 602. Extended docking tube; 6021. Ball valve control gear; 6022. Guide rod; 603. Limiting frame; 6031. Limiting rod; 6032. Stop ring; 6033. Spring; 604. Trigger middle block; 6041. First trigger switch; 6042. Second trigger switch; 605. Locking drive frame; 6051. Locking electric cylinder; 6052. Locking drive seat; 6053. Limiting connecting rod; 606. Driving connecting block; 6061. Tooth groove; 6062. Triggering convex block; 607. Guide connecting sleeve block; 608. Third trigger switch;

[0043] 7. Compressor;

[0044] 8. Cooling conveying pipe;

[0045] 9. Auxiliary cooling pool; 901. Wetting plate; 902. Cooling fan;

[0046] 10. Controller. DETAILED DESCRIPTION

[0047] In order to make the purpose, technical solution and advantages of the embodiment of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiment of the present invention. Obviously, the described embodiment is a part of the embodiment of the present invention, not all of the embodiments. Based on the described embodiment of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0048] Example 1: Please refer to Figures 1 to 8 :

[0049] The present invention proposes a cooling system and mold for the injection molding of an automobile lampshade, comprising: a base 1, a lower mold 2, an upper mold 3, a mold lifting plate 4, a mold lifting cylinder 5, a cooling docking die head 6, a compressor 7, a cooling delivery pipe 8, an auxiliary cooling pool 9 and a controller 10; the lower mold 2 is fixedly installed on the upper end of the base 1, and a corresponding upper mold 3 is arranged above the lower mold 2; a mold lifting plate 4 is vertically arranged on the back of the lower mold 2 and the upper mold 3, and the lower end of the mold lifting plate 4 is vertically fixedly connected to the base 1, and an auxiliary cooling pool 9 is fixedly welded at a position where the lower end of the back of the mold lifting plate 4 is flush with the base 1, and the auxiliary cooling pool 9 is filled with cooling water; a mold lifting cylinder 5 is vertically fixedly installed in the middle of the upper end of the back of the mold lifting plate 4; a horizontal "I"-shaped cooling pair is fixedly arranged at a position where the left and right end side walls of the lower mold 2 are connected to the upper mold 3 The connecting die head 6 and the two cooling connecting die heads 6 on the left and right sides of the lower mold 2 have the same structure. An extended connecting tube 602 is vertically extended outward at the middle position of the outer end side wall of the cooling connecting die head 6. A cooling delivery pipe 8 is connected between the extended connecting tubes 602 of the left and right cooling connecting die heads 6. The cooling delivery pipe 8 passes through the back of the mold lifting stand 4 to form a closed loop between the lower mold 2 and the upper mold 3. The cooling delivery pipe 8 is filled with coolant; a compressor 7 is connected to the position where the extended connecting tube 602, one end of which serves as the coolant outlet, is connected to the cooling delivery pipe 8. The end of the compressor 7 connected to the extended connecting tube 602 is the low-pressure end, and the end of the compressor 7 connected to the cooling delivery pipe 8 is the high-pressure end; a controller 10 is fixedly mounted at a corner on the upper end of the back of the mold lifting stand 4, and the controller 10 is used to control and coordinate the work of various parts.

[0050] Among them, two lower circulation pipes 201 are built in the left and right positions of the lower mold 2 corresponding to the cooling docking die head 6. The lower circulation pipes 201 are fixedly connected to the cooling docking die head 6. The two lower circulation pipes 201 are distributed along the left and right ends of the injection-molded lampshade in the lower mold 2.

[0051] Among them, a T-shaped lifting and pulling connection block 301 is fixedly connected backwards at a position on the top plane of the upper mold 3 corresponding to the middle of the mold lifting vertical plate 4;

[0052] When the upper mold 3 and the lower mold 2 are combined, two upper circulation pipes 302 are built in the left and right positions corresponding to the cooling docking die head 6. The two upper circulation pipes 302 are distributed along the left and right ends of the injection lampshade in the upper mold 3.

[0053] Among them, a lifting movable hole 401 is vertically opened in the middle of the mold lifting upright plate 4 and runs through the front and back. Guide edge strips 402 are vertically fixed on the front end side walls of the mold lifting upright plate 4 on the left and right sides of the lifting movable hole 401. The lifting pulling connection block 301 passes through the lifting movable hole 401 and is vertically slidably engaged with the guide edge strip 402. The upper end of the lifting pulling connection block 301 is vertically fixedly connected to the end of the piston rod of the mold lifting cylinder 5. The mold lifting cylinder 5 drives the upper mold 3 to move vertically in the lifting movable hole 401 through the lifting pulling connection block 301.

[0054] Among them, the upper end of the side wall of the cooling docking die head 6 opposite to the upper mold 3 is symmetrically provided with a positioning notch 601 vertically corresponding to the upper circulation pipe 302, the lower end inner cavity of the positioning notch 601 is a through opening connected to the inner cavity of the cooling docking die head 6, and the upper end of the positioning notch 601 is a chamfered structure. When the lower mold 2 and the upper mold 3 are relatively combined, the upper circulation pipe 302 is sealed and docked to the through opening along the positioning notch 601;

[0055] The outer end of the control ball valve connecting rod on the extended butt joint pipe 602 is fixedly connected with a ball valve control gear 6021, and the upper end of the extended butt joint pipe 602 is parallel and fixedly connected with a guide rod 6022, and an arc-shaped guide connecting sleeve block 607 is slidably sleeved on the guide rod 6022, and the inner end of the guide connecting sleeve block 607 is tangent to the outer wall of the extended butt joint pipe 602. The left and right ends of the guide connecting sleeve block 607 are respectively fixedly connected with a driving connecting block 606, and the bottom of the driving connecting block 606 corresponding to the ball valve control gear 6021 is provided with a tooth groove 6061, and the tooth groove 6061 is meshed with the ball valve control gear 6021, and a trigger protrusion 6062 is embedded on the side wall of the bottom of the other driving connecting block 606 close to the cooling butt joint die 6;

[0056] A locking drive frame 605 is vertically fixed upward at the upper end of the connection between the extended docking tube 602 and the cooling docking die head 6, and a locking electric cylinder 6051 is vertically fixed on the locking drive frame 605. The locking electric cylinder 6051 is parallel to the extended docking tube 602. The end of the piston rod of the locking electric cylinder 6051 is vertically fixedly connected to a locking drive seat 6052. The bottoms of both ends of the locking drive seat 6052 are respectively fixedly connected to the ends of the driving connecting block 606 on the corresponding side. The locking drive seat 6052 is rotatably connected to the left and right symmetrical limiting connecting rods 6053 through pin shafts in the recesses in the side walls of one end of the locking drive seat 6052 close to the cooling docking die head 6, and the other end of the limiting connecting rod 6053 is provided with a waist-shaped pin hole.

[0057] A trigger middle block 604 is vertically fixed at the middle of the concave surface of the upper end of the cooling docking die head 6. Limiting frames 603 are horizontally arranged on the cooling docking die head 6 on the left and right sides of the triggering middle block 604. A limiting rod 6031 is vertically slidably penetrated on the limiting frame 603. One end of the limiting rod 6031 is vertically slidably inserted into the alignment slot 601, and the end is a ball head structure. The other end of the limiting rod 6031 is a fork structure. The limiting connecting rod 6053 The waist-shaped pin hole is rotatably connected to the fork end of the limit rod 6031 through a pin shaft, and the waist-shaped pin hole provides a movable margin space for the pin shaft at the connection. A retaining ring 6032 is fixed on the rod body of the limit rod 6031 at one end close to the alignment slot 601, and a spring 6033 is provided between the retaining ring 6032 and the limit frame 603. Under the natural elastic force of the spring 6033, the ball head part of the limit rod 6031 is exposed in the alignment slot 601;

[0058] A first trigger switch 6041 is respectively arranged on the side wall opposite to the left and right limit rods 6031 of the trigger middle block 604. When the upper circulation tube 302 is inserted into the alignment slot 601, the two limit rods 6031 are squeezed and touch the first trigger switch 6041. The first trigger switch 6041 triggers and sends a signal to the controller 10. The locking electric cylinder 6051 works, the piston rod is pushed out, and the limit connecting rod 6053 pushes the limit connecting rod 6053 to be inserted into the alignment slot 601 to block the upper circulation tube 302. The upper circulation tube 302 is sealed and connected with the inner cavity opening of the cooling docking die head 6.

[0059] A third trigger switch 608 is fixedly provided on the side wall of the cooling and docking die head 6 at a position corresponding to the trigger protrusion 6062 on the driving connecting block 606;

[0060] When the piston rod of the locking electric cylinder 6051 is pushed out, the driving connecting block 606 is synchronously driven to move along, and the ball valve control gear 6021 rotates to open the extended docking tube 602. At the same time, the driving connecting block 606 squeezes the third trigger switch 608 through the trigger protrusion 6062. The third trigger switch 608 sends a signal to the controller 10, the compressor 7 works, and the coolant circulates.

[0061] The portion of the cooling delivery pipe 8 located on the auxiliary cooling pool 9 is a serpentine reciprocating distribution structure.

[0062] Embodiment 2, on the basis of embodiment 1, a wetting plate 901 is extended upward from the side wall of the auxiliary cooling pool 9 near the mold lifting plate 4, the wetting plate 901 is located between the serpentine cooling conveying pipe 8 section and the mold lifting plate 4, and a cooling fan 902 is provided at the outer end of the auxiliary cooling pool 9.

[0063] The working principle of this embodiment:

[0064] First, when the production process of the injection-molded lampshade is started, the base 1 firmly supports the entire system, and the lower mold 2, as the basic part of the injection molding, is fixed on the base 1. The upper mold 3 is located above the lower mold 2 in the initial state, ready for the mold closing operation. At this time, the cooling docking die head 6 has been pre-installed on the left and right sides of the lower mold 2, which are closely connected with the lower circulation pipe 201 to form a preliminary coolant channel.

[0065] Under the coordination of the controller 10, the mold lifting cylinder 5 starts to work, and its piston rod is connected to the upper mold 3 through the lifting and pulling connecting block 301, driving the upper mold 3 to move vertically downward along the lifting and moving holes 401 on the mold lifting vertical plate 4 until it is tightly molded with the lower mold 2. In this process, the guide edge strips 402 ensure the smooth movement and precise alignment of the upper mold 3.

[0066] When the upper and lower molds are closed, the upper circulation tube 302 in the upper mold 3 automatically docks with the alignment slot 601 on the cooling docking die head 6. At this time, under the action of the spring 6033, the ball head of the limiting rod 6031 is exposed in the alignment slot 601, ready to be sealed and docked with the upper circulation tube 302. As the upper circulation tube 302 goes deeper, the limiting rod 6031 is squeezed, triggering the first trigger switch 6041. This signal is sent to the controller 10, and then the locking electric cylinder 6051 is started, and its piston rod is pushed out, and the limiting rod 6031 is firmly locked in the alignment slot 601 through the limiting connecting rod 6053, ensuring the sealed connection between the upper circulation tube 302 and the cooling docking die head 6.

[0067] At the same time, during the pushing process, the piston rod of the locking electric cylinder 6051 also drives the rotation of the ball valve control gear 6021 through the driving connecting block 606, thereby opening the control ball valve on the extended docking pipe 602. This operation allows the coolant to smoothly enter the cooling delivery pipe 8 to form a circulation. In addition, the triggering protrusion 6062 on the driving connecting block 606 also squeezes the third trigger switch 608, sending a signal to start the compressor 7. The compressor 7 immediately starts to work, sucking the coolant from the low-pressure end and pressurizing it into the cooling delivery pipe 8 at the high-pressure end, realizing the forced circulation of the coolant.

[0068] During the circulation of the coolant, it first passes through the lower circulation pipe 201 in the lower mold 2 and the upper circulation pipe 302 in the upper mold 3 to directly cool the injection molded lampshade. Then, the coolant enters the cooling conveying pipe 8 through the extended docking pipe 602 of the cooling docking die head 6. In the cooling conveying pipe 8, the coolant flows through the upper part of the auxiliary cooling pool 9 in a serpentine reciprocating manner, and further heat exchange and temperature reduction are carried out under the joint action of the wetting plate 901 and the cooling fan 902. Finally, the coolant returns to the low-pressure end of the compressor 7 again, completing a complete cycle.

[0069] In this article, there are a few points to note:

[0070] 1. The drawings of the embodiments of the present invention only involve structures related to the embodiments of the present invention, and other structures can refer to the general design.

[0071] 2. In the absence of conflict, the embodiments of the present invention and the features therein may be combined with each other to obtain new embodiments.

[0072] The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A cooling system for injection molding of automobile lampshade, comprising: A base (1), a lower mold (2), an upper mold (3), a mold lifting plate (4), a mold lifting cylinder (5), a cooling docking die head (6), a compressor (7), a cooling conveying pipe (8), an auxiliary cooling pool (9) and a controller (10); the lower mold (2) is fixedly mounted on the upper end of the base (1), and a corresponding upper mold (3) is arranged above the lower mold (2); it is characterized in that a mold lifting plate (4) is vertically arranged on the back of the lower mold (2) and the upper mold (3), the lower end of the mold lifting plate (4) is vertically fixedly connected to the base (1), and the back of the mold lifting plate (4) is An auxiliary cooling pool (9) is fixedly welded at a position flush with the bottom platform (1) at the lower end, and cooling water is contained in the auxiliary cooling pool (9); a mold lifting cylinder (5) is vertically fixedly installed at the middle of the upper end of the back of the mold lifting stand (4); a horizontal "I"-shaped cooling docking die head (6) is fixedly provided at a position where the left and right end side walls of the lower mold (2) are connected to the upper mold (3); the two cooling docking die heads (6) on the left and right sides of the lower mold (2) have the same structure, and an extended docking pipe (602) is vertically extended outward at the middle position of the outer end side wall of the cooling docking die head (6) A cooling delivery pipe (8) is connected between the extended butt joint pipes (602) of the left and right cooling butt joint die heads (6), and the cooling delivery pipe (8) passes through the back of the mold lifting stand (4) to form a closed loop between the lower mold (2) and the upper mold (3), and the cooling delivery pipe (8) is filled with coolant; a compressor (7) is connected to the position where the extended butt joint pipe (602) with one end serving as a coolant outlet is connected to the cooling delivery pipe (8), and the end of the compressor (7) connected to the extended butt joint pipe (602) is a low-pressure end, and the compressor (7) is connected to the cooling delivery pipe (8). One end of the mold lifting plate (4) is a high-voltage end; a controller (10) is fixedly mounted at a corner of the upper back end of the mold lifting plate (4), and the controller (10) is used to control and coordinate the work of various parts; a T-shaped lifting and pulling connection block (301) is fixedly connected to the top plane of the upper mold (3) at a position corresponding to the middle of the mold lifting plate (4); two upper circulation pipes (302) are built-in at the left and right positions corresponding to the cooling docking die head (6) when the upper mold (3) and the lower mold (2) are relatively combined, and the two upper circulation pipes (302) are distributed in the upper mold (3) along the left and right ends of the injection lampshade; The upper end of the side wall of the cooling butt joint die head (6) opposite to the upper die (3) is symmetrically provided with a positioning notch (601) vertically corresponding to the upper circulation tube (302); the inner cavity at the lower end of the positioning notch (601) is a through opening connected to the inner cavity of the cooling butt joint die head (6); the upper end of the positioning notch (601) is a chamfered structure; when the lower die (2) and the upper die (3) are relatively closed, the upper circulation tube (302) is sealed and butted to the through opening along the positioning notch (601); The outer end of the control ball valve connecting rod on the extended butt joint pipe (602) is fixedly connected to a ball valve control gear (6021), and the upper end of the extended butt joint pipe (602) is parallel and fixedly connected to a guide rod (6022), and an arc-shaped guide connecting sleeve block (607) is slidably sleeved on the guide rod (6022), and the inner end of the guide connecting sleeve block (607) is slidably tangent to the outer wall of the extended butt joint pipe (602), and the left and right ends of the guide connecting sleeve block (607) are respectively fixedly connected to driving connecting blocks (606), and the bottom of the driving connecting block (606) corresponding to the ball valve control gear (6021) is provided with a tooth groove (6061), and the tooth groove (6061) is meshed with the ball valve control gear (6021), and the bottom of the other driving connecting block (606) is inlaid with a triggering protrusion (6062) on the side wall close to the cooling butt joint die head (6); A locking drive frame (605) is fixedly provided vertically upward at the upper end of the connection between the extended docking tube (602) and the cooling docking die head (6), and a locking electric cylinder (6051) is fixedly provided vertically on the locking drive frame (605). The locking electric cylinder (6051) and the extended docking tube (602) are parallel to each other. The end of the piston rod of the locking electric cylinder (6051) is vertically fixedly connected to a locking drive seat (6052). The bottoms of both ends of the locking drive seat (6052) are respectively fixedly connected to the ends of the driving connecting blocks (606) on the corresponding sides. The locking drive seat (6052) is rotatably connected to left and right symmetrical limiting connecting rods (6053) in the recesses in the side wall of one end close to the cooling docking die head (6) through pin shafts, and the other end of the limiting connecting rod (6053) is provided with a waist-shaped pin hole. A trigger middle block (604) is vertically fixed at the middle of the concave surface of the upper end of the cooling docking die head (6), and limit frames (603) are horizontally provided on the cooling docking die head (6) on the left and right sides of the trigger middle block (604), and a limit rod (6031) is vertically slidably penetrated on the limit frame (603), one end of the limit rod (6031) is vertically slidably inserted into the alignment groove (601), and the end is a ball head structure, and the other end of the limit rod (6031) is a fork structure, and the limit connecting rod (605 3) is rotatably connected to the fork end of the limiting rod (6031) through a pin shaft, and the waist-shaped pin hole provides a movable margin space for the pin shaft at the connection. A retaining ring (6032) is fixedly provided on the rod body of the limiting rod (6031) at one end close to the alignment slot (601), and a spring (6033) is provided between the retaining ring (6032) and the limiting frame (603). Under the natural elastic force of the spring (6033), the ball head portion of the limiting rod (6031) is exposed in the alignment slot (601); The trigger middle block (604) is provided with a first trigger switch (6041) on the side wall opposite to the left and right limit rods (6031). When the upper circulation tube (302) is inserted into the alignment slot (601), the two limit rods (6031) are squeezed and touch the first trigger switch (6041). The first trigger switch (6041) triggers and sends a signal to the controller (10). The locking electric cylinder (6051) works, the piston rod is pushed out, and the limit connecting rod (6053) pushes the limit connecting rod (6053) to be inserted into the alignment slot (601) to block the upper circulation tube (302). The upper circulation tube (302) is sealed and connected to the inner cavity opening of the cooling docking die head (6). A third trigger switch (608) is fixedly provided at a position on the side wall of the cooling docking die head (6) corresponding to the trigger protrusion (6062) on the driving connecting block (606); When the piston rod of the locking electric cylinder (6051) is pushed out, the driving connecting block (606) is synchronously driven to move along, and the ball valve control gear (6021) rotates to open the extension docking tube (602). At the same time, the driving connecting block (606) squeezes the third trigger switch (608) through the trigger protrusion (6062), and the third trigger switch (608) sends a signal to the controller (10), the compressor (7) works, and the coolant circulates.

2. A cooling system for automobile lampshade injection molding according to claim 1, characterized in that: Two lower circulation pipes (201) are built into the left and right sides of the lower mold (2) at positions corresponding to the cooling butt die head (6). The lower circulation pipes (201) are fixedly connected to the cooling butt die head (6). The two lower circulation pipes (201) are distributed along the left and right ends of the injection-molded lampshade in the lower mold (2).

3. The cooling system for automobile lampshade injection molding according to claim 1, characterized in that: A lifting movable hole (401) is vertically opened in the middle of the mold lifting vertical plate (4) and runs through the front and rear. Guide edge strips (402) are vertically fixed on the front end side walls of the mold lifting vertical plate (4) on the left and right sides of the lifting movable hole (401). The lifting and pulling connecting block (301) passes through the lifting and pulling hole (401) and is vertically slidably engaged with the guide edge strip (402). The upper end of the lifting and pulling connecting block (301) is vertically fixedly connected to the end of the piston rod of the mold lifting cylinder (5). The mold lifting cylinder (5) drives the upper mold (3) to move vertically in the lifting and pulling connecting block (301) through the lifting and pulling connecting block (301).

4. The cooling system for automobile lampshade injection molding according to claim 1, characterized in that: The portion of the cooling delivery pipe (8) located on the auxiliary cooling pool (9) is a serpentine reciprocating distribution structure.

5. The cooling system for automobile lampshade injection molding according to claim 1, characterized in that: A wetting plate (901) is provided in the auxiliary cooling pool (9) and extends upward from a position close to the side wall of the mold lifting stand (4). The wetting plate (901) is located between the serpentine cooling conveying pipe (8) section and the mold lifting stand (4). A cooling fan (902) is provided at the outer end of the auxiliary cooling pool (9).

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