Die structure for producing upper cover of automobile water tank

By designing a mold structure that includes components such as an injection mold, an oil tank, and an ejection cylinder, the problem of damage caused by direct collision between the pressure plate and the caliper was solved, achieving stable mold operation and automatic product ejection, thus improving reliability and safety.

CN223948383UActive Publication Date: 2026-02-27JINING GOLDEN LION AUTO PARTS CO LTD
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Patent Information

Application Number
CN202520248062.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-17
Publication Date
2026-02-27
Estimated Expiration
2035-02-17

AI Technical Summary

Technical Problem

The existing automotive radiator cover mold has a high damage rate and poor reliability due to the direct collision between the pressure plate and the caliper.

Method used

A mold structure was designed, including a lower injection mold, an oil tank, an ejector cylinder, an ejector piston rod, a constraint rail frame, an upper injection mold, a guide sleeve, a connecting frame, a power cylinder, a piston, a spring, an upper connecting plate, and a connecting pipe. The product is automatically ejected through hydraulic changes, improving reliability.

Benefits of technology

It achieves stable mold operation and automatic product ejection, improving mold reliability and safety, and reducing safety hazards associated with manual operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of automobile water tank processing, in particular to a die structure for producing an upper cover of an automobile water tank, which is provided with a whole set of die structure capable of generating oil pressure change according to the lifting of a die, automatically molding and ejecting a product, stably running and improving the reliability; comprising a lower injection molding die, an oil tank, ejection oil cylinders, ejection piston rods, a constraint rail frame, an upper injection molding die, a guide sliding sleeve, a connecting frame, a power oil cylinder, a piston, a spring and an upper connecting piece, the bottom end of the lower injection molding die is connected with the top ends of the multiple sets of ejection oil cylinders, and the bottom ends of all the ejection oil cylinders communicate with the top end of the oil tank; the inner walls of the two guide sliding sleeves are slidably connected with the outer walls of the constraint rail frames on the same side, the middle side of the left end of the upper injection mold is connected with the right side of a power oil cylinder through a connecting frame, and the output end of the power oil cylinder is slidably connected with the outer side of a piston. The top end of the piston is connected with the left bottom end of the left upper connecting piece through a spring.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile water tank processing, specifically to a die structure for producing automobile water tank upper cover. BACKGROUND

[0002] The automobile water tank is generally located at the front of the engine, and the specific position is behind the air conditioner condenser. The water inlet (also known as the antifreeze tank) of the water tank is generally located on the right side of the engine compartment, close to the water inlet of the windscreen wiper fluid. The automobile water tank is the main machine in the automobile cooling system, and its function is to dissipate heat and ensure the engine to operate at normal working temperature. Please note that an appropriate amount of antifreeze should be added to the water tank, not ordinary water, because the antifreeze has better antifreeze, boiling and corrosion resistance.

[0003] After the automobile water tank is processed, the upper cover thereof needs to be shaped in the corresponding die. The existing die structure for producing automobile water tank upper cover, such as patent announcement No. CN216329551U, moves the upper die cover upward to extrude the caliper to rotate upward and extrude the arc-shaped pressure rod, so that the pressure in the hydraulic rod generates to move the piston upward to push out the lower die plate. In this way, the die can be demolded more conveniently, the safety hazards that the worker may suffer when taking out the die are reduced, and the plastic raw material residues in the die due to long-time work are prevented, and the integrity of the die is increased.

[0004] However, the pressing plate of the device directly collides with the caliper, which has high damage rate and poor reliability. UTILITY MODEL CONTENTS

[0005] (I) Technical problem solved

[0006] In view of the deficiencies of the prior art, the utility model provides a die structure for producing automobile water tank upper cover, which is provided with a complete set of oil pressure change generated according to die lifting, can automatically form and eject the product, and has stable operation and improved reliability.

[0007] (II) Technical scheme

[0008] In order to achieve the above object, the utility model provides the following technical scheme: A mould structure for producing the upper cover of the automobile water tank, which comprises an injection mould lower die, an oil tank, an ejection oil cylinder, an ejection piston rod, a constraint rail frame, an injection mould upper die, a guide sliding sleeve, a connecting frame, a power oil cylinder, a piston, a spring, an upper connecting piece and a communication pipe, the bottom end of the injection mould lower die is connected with the top end of a plurality of ejection oil cylinders, the bottom end of all the ejection oil cylinders is communicated with the top end of the oil tank, the output end of each group of ejection oil cylinders is movably provided with a group of ejection piston rods extending into the inside of the injection mould lower die, the middle part of the left side and the right side of the top end of the injection mould lower die is connected with the bottom end of a group of constraint rail frames respectively, the top end of the two groups of constraint rail frames is connected with the middle part of the bottom end of a group of upper connecting pieces respectively, the inner wall of the middle part of the left side and the right side of the injection mould upper die is connected with the outer wall of a group of guide sliding sleeves respectively, the inner wall of the two groups of guide sliding sleeves is slidably connected with the outer wall of the constraint rail frame on the same side, the middle side of the left end of the injection mould upper die is connected with the right side of the power oil cylinder through the connecting frame, the output end of the power oil cylinder is slidably connected with the outer side of the piston, and the top end of the piston is connected with the left part of the bottom end of the left side of the upper connecting piece through the spring.

[0009] Preferably, it further comprises a mounting sleeve, long bolts and nuts, the middle part of the top end of the injection mould upper die is connected with the bottom end of the mounting sleeve, the inside of the left side and the right side of the mounting sleeve is movably penetrated by a group of long bolts respectively, and the protruding side of the long bolt is detachably screwed through the nut.

[0010] Preferably, it further comprises a mounting sleeve, long bolts and nuts, the middle part of the top end of the injection mould upper die is connected with the bottom end of the mounting sleeve, the inside of the left side and the right side of the mounting sleeve is movably penetrated by a group of long bolts respectively, and the protruding side of the long bolt is detachably screwed through the nut.

[0011] Preferably, it further comprises an oil injection nozzle, and the middle upper part of the front end of each group of guide sliding sleeves is communicated with the inside of a group of oil injection nozzles respectively.

[0012] Preferably, it further comprises an oil injection cap, and the outside of the oil injection nozzle is detachably mounted with the inside of the oil injection cap.

[0013] Preferably, it further comprises an information board, and the left side of the front end of the injection mould upper die is connected with the inside of the information board.

[0014] (Three) beneficial effects

[0015] Compared with the prior art, the utility model provides a mould structure for producing the upper cover of the automobile water tank, which has the following beneficial effects:

[0016] The injection molding lower mold is fixed on the hydraulic device, and the upper side of the injection molding upper mold is fixed with the output end of the hydraulic device, when running, the injection molding lower mold and the injection molding upper mold are kept closed to form the injection molding of the upper cover of the automobile water tank, after completion, the hydraulic mechanism acts on the injection molding upper mold to slide and constrain the upward movement outside the constraint rail frame through two groups of guide sliding sleeves, the injection molding upper mold is opened relative to the constraint rail frame, the power oil cylinder is synchronously moved upward through the connecting frame, the upper connecting piece is fixed, the spring is preliminarily compressed, the hydraulic pressure in the power oil cylinder and the ejection oil cylinder does not change, then the spring is compressed to the position, the piston is pressed in the power oil cylinder, the power oil cylinder is communicated to the oil tank through 20, the inside of the ejection oil cylinder is pressurized, a plurality of ejection piston rods are synchronously extended, and the formed parts are ejected, a complete set of oil pressure change can be generated according to the mold lifting, the product forming and ejection can be automatically realized, and the operation is stable and the reliability is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic view of the structure of the utility model;

[0018] Figure 2 It is a right view of the utility model; Figure 1

[0019] Figure 3 It is an upper view of the utility model; Figure 1

[0020] Figure 4 It is a front view of the utility model. Figure 1

[0021] Markings in the drawings: 1, injection molding lower mold; 2, oil tank; 3, ejection oil cylinder; 4, ejection piston rod; 5, constraint rail frame; 6, injection molding upper mold; 7, guide sliding sleeve; 8, connecting frame; 9, power oil cylinder; 10, piston; 11, spring; 12, upper connecting piece; 13, mounting sleeve; 14, long bolt; 15, nut; 16, lock washer; 17, oil injection nozzle; 18, oil injection cap; 19, information board. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] EMBODIMENT

[0024] Please refer to Figures 1-4 ​​​The utility model provides a mould structure of producing the upper cover of automobile water tank, including injection moulding lower mould 1, oil tank 2, ejection cylinder 3, ejection piston rod 4, restraint rail frame 5, injection moulding upper mould 6, guide sliding sleeve 7, connecting frame 8, power cylinder 9, piston 10, spring 11, upper connecting piece 12 and communication pipe 20, the bottom of injection moulding lower mould 1 is connected with the top of a plurality of ejection cylinder 3, and the bottom of all ejection cylinder 3 is communicated with the top of oil tank 2, and the output end of each ejection cylinder 3 is movably provided with a set of ejection piston rod 4 extending to the inside of injection moulding lower mould 1, and the middle part of the left and right sides of the top of injection moulding lower mould 1 is connected with the bottom of a set of restraint rail frame 5 respectively, and the top of two sets of restraint rail frame 5 is connected with the bottom of a set of upper connecting piece 12 respectively, and the middle part of the left and right sides of the inner wall of injection moulding upper mould 6 is connected with the outer wall of a set of guide sliding sleeve 7 respectively, and the inner wall of two sets of guide sliding sleeve 7 is slidably connected with the outer wall of the restraint rail frame 5 of the same side, and the left end middle side of injection moulding upper mould 6 is connected with the right side of power cylinder 9 through connecting frame 8, and the output end of power cylinder 9 is slidably connected with the outer side of piston 10, and the top of piston 10 is connected with the left part of the bottom of left side upper connecting piece 12 through spring 11, the injection moulding lower mould 1 is fixed on hydraulic equipment, and the upper side of injection moulding upper mould 6 is fixed with the output end of hydraulic equipment, when operating, injection moulding lower mould 1 and injection moulding upper mould 6 are kept closed, and the injection moulding of the upper cover of automobile water tank is formed inside, after finishing, the hydraulic mechanism acts on injection moulding upper mould 6, and makes injection moulding upper mould 6 open relatively restraint rail frame 5 through the sliding restraint of the outside of restraint rail frame 5 through two sets of guide sliding sleeve 7, and makes power cylinder 9 move up synchronously through connecting frame 8, and under the fixation of upper connecting piece 12, spring 11 is preliminarily compressed, and the hydraulic pressure in power cylinder 9 and ejection cylinder 3 does not change, after spring 11 is compressed in place, the inner pressure of piston 10 in power cylinder 9 makes power cylinder 9 communicate to oil tank 2 through 20, and the inside of ejection cylinder 3 is pressurized, and a plurality of ejection piston rod 4 is synchronously extended, and acts on the ejection of the formed piece.

[0025] Still include installing sleeve 13, long bolt 14 and nut 15, and the middle part of the top of injection moulding upper mould 6 is connected with the bottom of installing sleeve 13, and the inside of the left and right sides of installing sleeve 13 is movably passed through a set of long bolt 14 respectively, and the projecting side of long bolt 14 is detachably screwed through nut 15, when installing, installing sleeve 13 can be sleeved on the lower part of the output end of hydraulic mechanism, and is synchronously passed through installing sleeve 13 and the lower part of the output end of hydraulic mechanism through two sets of long bolt 14, and the projecting side of long bolt 14 is screwed and fixed through nut 15, and the fixed connection of hydraulic mechanism relatively injection moulding upper mould 6 is formed.

[0026] Still include lock washer 16, and each long bolt 14 is movably sleeved with a set of lock washer 16 outside, and lock washer 16 can be sleeved on the outside of long bolt 14 of the front end of installing sleeve 13, and supports the ejection of long bolt 14 and nut 15 after screwing and fastening, avoids the rotation loosening, and improves the stability.

[0027] Also include oil injection nozzle 17, each group of guide sleeve 7 front end upper part is connected with a group of oil injection nozzle 17 inner side communication respectively; through oil injection nozzle 17 can be injected into the guide sleeve 7 inner wall oil, convenient lubrication maintenance.

[0028] Also include oil injection cap 18, oil injection nozzle 17 outer side and oil injection cap 18 inner side detachable installation; after installing oil injection cap 18 on the outer side of oil injection nozzle 17, the inside of the oil injection nozzle 17 can be closed and protected, improving reliability.

[0029] Also include information board 19, injection mold 6 front end left side and information board 19 inner side are connected; through information board 19, the information of the device can be displayed, which facilitates reading and auxiliary use, and improves convenience.

[0030] In summary, a mold structure for producing an upper cover of an automobile water tank in use, the injection mold lower die 1 is fixed on the hydraulic equipment, when installing, the installation sleeve 13 can be sleeved on the lower part of the output end of the hydraulic mechanism, and the long bolts 14 are synchronously penetrated through the installation sleeve 13 and the lower part of the output end of the hydraulic mechanism, the long bolts 14 on the protruding side are screwed and fixed through the nuts 15, the lock washers 16 can be sleeved on the outer side of the long bolts 14 at the front end of the installation sleeve 13, which supports the long bolts 14 and the nuts 15 after screwing and fastening, avoids rotation loosening, and forms the fixed connection of the hydraulic mechanism relative to the injection mold upper die 6, when running, the injection mold lower die 1 keeps closed with the injection mold upper die 6, the injection molding of the automobile water tank upper cover is formed inside, after completion, the hydraulic mechanism acts on the injection mold upper die 6, and the injection mold upper die 6 is constrained to move upward outside the constraint rail frame 5 through the two groups of guide sleeves 7, so that the injection mold upper die 6 is opened relative to the constraint rail frame 5, the power oil cylinder 9 is synchronously moved upward through the connecting frame 8, the upper connecting piece 12 is fixed, the spring 11 is preliminarily compressed, the hydraulic pressure in the power oil cylinder 9 and the ejector oil cylinder 3 does not change, then after the spring 11 is compressed to the position, the piston 10 is pressed in the power oil cylinder 9, the power oil cylinder 9 is connected to the oil tank 2 through 20, the inside of the ejector oil cylinder 3 is pressurized, a plurality of ejector piston rods 4 are synchronously extended, and the molded parts are ejected, in addition, the guide sleeves 7 can be injected with oil through the oil injection nozzle 17, which is convenient for lubrication and maintenance, after the oil injection cap 18 is installed on the outer side of the oil injection nozzle 17, the inside of the oil injection nozzle 17 can be closed and protected, the information of the device can be displayed through the information board 19, which facilitates reading and auxiliary use, and improves convenience.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A mold structure for producing automotive radiator caps, characterized in that, The utility model provides an injection moulding device, which comprises an injection lower mould (1), an oil tank (2), an ejection oil cylinder (3), an ejection piston rod (4), a constraint rail frame (5), an injection upper mould (6), a guide sliding sleeve (7), a connecting frame (8), a power oil cylinder (9), a piston (10), a spring (11), an upper connecting piece (12) and a communication pipe (20), the bottom end of the injection lower mould (1) is connected with the top end of a plurality of ejection oil cylinders (3), the bottom end of all the ejection oil cylinders (3) is communicated with the top end of the oil tank (2), the output end of each group of ejection oil cylinders (3) is movably provided with a group of ejection piston rods (4) extending into the inside of the injection lower mould (1), the middle part of the left side and the right side of the top end of the injection lower mould (1) is connected with the bottom end of a group of constraint rail frames (5) respectively, the top end of the two groups of constraint rail frames (5) is connected with the bottom end of a group of upper connecting pieces (12) respectively, the inner wall of the middle part of the left side and the right side of the injection upper mould (6) is connected with the outer wall of a group of guide sliding sleeves (7) respectively, the inner wall of the two groups of guide sliding sleeves (7) is slidably connected with the outer wall of the constraint rail frame (5) on the same side, the middle side of the left end of the injection upper mould (6) is connected with the right side of the power oil cylinder (9) through the connecting frame (8), the output end of the power oil cylinder (9) is slidably connected with the outer side of the piston (10), and the bottom end of the left side of the upper connecting piece (12) is connected with the left part of the top end of the piston (10) through the spring (11).

2. A mold structure for producing an upper cover of an automobile water jacket according to claim 1, characterized in that: The utility model also comprises a mounting sleeve (13), a long bolt (14) and a nut (15), the middle part of the top end of the injection upper mould (6) is connected with the bottom end of the mounting sleeve (13), the inside of the left side and the right side of the mounting sleeve (13) is movably penetrated by a group of long bolts (14), and the protruding side of the long bolt (14) is detachably screwed through the nut (15).

3. The mold structure for producing an upper cover of an automobile water jacket according to claim 2, wherein: The utility model also comprises a lock washer (16), and the outside of each group of long bolts (14) is movably sleeved with a group of lock washers (16).

4. The mold structure for producing an upper cover of an automobile water jacket according to claim 1, wherein: The utility model also comprises an oil injection nozzle (17), and the middle upper part of the front end of each group of guide sliding sleeves (7) is communicated with the inside of a group of oil injection nozzles (17) respectively.

5. The mold structure for producing an upper cover of an automobile water jacket according to claim 4, wherein: The utility model also comprises an oil injection cap (18), and the outside of the oil injection nozzle (17) is detachably installed with the inside of the oil injection cap (18).

6. The mold structure for producing an upper cover of an automobile water jacket according to claim 1, wherein: The utility model also comprises an information board (19), and the left side of the front end of the injection upper mould (6) is connected with the inside of the information board (19).

Citation Information

Patent Citations

  • Die structure for producing upper cover of automobile water tank

    CN216329551U