Compound die of oil cooler shell
By designing a composite mold structure that combines a spiral spring and a limiting rod, the problem of damage to the oil cooler shell during ejection was solved, and the demolding efficiency was improved by using internal coolant, thus achieving a non-destructive and efficient demolding process.
Patent Information
- Application Number
- CN202422587159.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-25
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2034-10-25
AI Technical Summary
Existing composite molds are prone to damaging the oil cooler housing when ejecting it, and the internal cooling is not efficient enough, affecting demolding efficiency.
A composite mold for an oil cooler housing was designed. Through the cooperation of a spiral spring and a limiting rod, the upper composite mold can be flexibly lifted, and the internal raw materials can be cooled by coolant when the lower composite mold moves.
This achieves non-destructive ejection of the oil cooler shell and efficient internal cooling, thus improving demolding efficiency.
Smart Images
Figure CN223850087U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to composite die technical field, concretely is a kind of composite die of oil cooler shell. BACKGROUND
[0002] Oil cooler shell production mould is used to manufacture the tool of oil cooler shell, and the manufacture of oil cooler shell production mould needs high-precision processing equipment and technology to ensure the dimensional accuracy and surface quality of mould. At the same time, the design of mould also needs to consider the structural characteristics and production process requirements of oil cooler shell to improve the service life and production efficiency of mould.
[0003] When oil cooler shell is produced, it needs to be formed by composite die, and the existing composite die is mostly lifted by ejector pin after forming, and the oil cooler shell is thin, so if strong ejector pin is used, it may damage the shell, and most of the moulds are cooled by external cooling, and the inside may not be cooled completely, which affects demolding, cannot cool inside the mould and is not efficient enough. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a kind of composite die of oil cooler shell to solve the problems raised in the above background.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of composite die of oil cooler shell, including die holder, lower composite die and upper composite die, the surface of the upper composite die is provided with connecting hole, in use, die holder is connected with upper composite die with forming equipment, and upper composite die and lower composite die are adhered by the power device of forming equipment, and make upper composite die and lower composite die are embedded in die holder, and the raw material is injected into upper composite die and lower composite die by connecting hole, the inside of the die holder is provided with control part, and the control part includes:
[0006] Groove, the groove is set in the side surface of upper composite die, the inner side of the groove is fixedly connected with trigger block, the inside of the die holder is provided with movable cavity, the movable cavity is penetrated and rotationally connected with rotating rod, the surface of one end of the rotating rod in movable cavity is fixedly connected with volute spring, and the end of volute spring away from rotating rod is fixedly connected with the inner side of movable cavity.
[0007] Connecting block, the connecting block is penetrated and fixedly connected by rotating rod, the side of the connecting block close to upper composite die is fixedly connected with push rod, the inner side of the die holder is provided with movable slot, when upper composite die moves downward, make push rod retract into movable slot, and the connecting block penetrates movable slot.
[0008] Preferably, the bottom end of the rotating rod penetrates through the limiting rod, and the limiting rod is fixedly connected with the rotating rod, and the side surface of the lower composite mold is provided with a clamping groove, when the clamping groove provided on the side surface of the lower composite mold is flush with the position of the limiting rod, the vortex spring will rotate and drive the rotating rod to rotate, so that the limiting rod is inserted into the clamping groove.
[0009] Preferably, the inside of the mold base is provided with a contraction groove, and the limiting rod penetrates through the contraction groove, and the rotating rod penetrates through the movable cavity, the movable groove and the contraction groove at the same time.
[0010] Preferably, the bottom surface of the lower composite mold is fixedly connected with a telescopic rod, the bottom end of the telescopic rod penetrates through and is slidingly connected with a fixed column, and the bottom surface of the fixed column is fixedly connected with the inside of the mold base.
[0011] Preferably, the bottom surface of the telescopic rod is fixedly connected with a spring, when the lower composite mold moves downward, the telescopic rod is pushed to shrink into the fixed column, and the spring is compressed, one end of the spring away from the telescopic rod is fixedly connected with the inside of the fixed column, and after the upper composite mold is lifted by a distance, the trigger block will again abut against the push rod, so that a certain gap is left between the upper composite mold and the lower composite mold.
[0012] Preferably, the inside of the lower composite mold is provided with a cooling cavity, when the lower composite mold moves downward, the piston box is pushed to move downward, and then the distance between the piston rod, the piston plate and the piston box is shortened, and the bottom of the cooling cavity penetrates through and is fixedly connected with a connecting pipe.
[0013] Preferably, the bottom surface of the lower composite mold is fixedly connected with a piston box, the inside of the piston box is connected with a piston plate, the bottom surface of the piston plate is fixedly connected with a piston rod, one end of the piston rod away from the piston plate is fixedly connected with the inside of the mold base, the piston rod penetrates through the piston box and is connected with the piston, the piston box and the top of the piston plate are filled with a cooling liquid, and the bottom end of the connecting pipe penetrates through the piston box and is fixedly connected.
[0014] Compared with the prior art, the composite mold of the oil cooler shell has the following beneficial effects:
[0015] 1、The composite mold of the oil cooler shell, when the clamping groove provided on the side surface of the lower composite mold is flush with the position of the limiting rod, the vortex spring will rotate and drive the rotating rod to rotate, so that the limiting rod is inserted into the clamping groove, after the raw materials are cooled, the upper composite mold is lifted, and after the upper composite mold is lifted by a distance, the trigger block will again abut against the push rod, so that a certain gap is left between the upper composite mold and the lower composite mold, and after the trigger block again drives the push rod, the limiting rod is not inserted into the clamping groove, the telescopic rod will instantaneously lift the lower composite mold through the telescopic spring, and the lower composite mold will impact the bottom of the upper composite mold to generate vibration, so that the forming elements in the lower composite mold are loosened, thereby facilitating demolding.
[0016] 2、the oil cooler shell composite mold, when the lower composite mold moves downward, will push the piston box to move downward, in turn relatively make the distance between the piston rod and the piston plate and the piston box shorten, make the cooling liquid in the piston box enter the cooling cavity, cool the raw material in the lower composite mold, so that the oil cooler element is cooled from inside, and the demolding is more convenient. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is the front view structural schematic diagram of the utility model;
[0018] Figure 2 It is the sectional view structural schematic diagram of the utility model mold seat;
[0019] Figure 3 It is the sectional view structural schematic diagram of the utility model lower composite mold;
[0020] Figure 4 It is the sectional view structural schematic diagram of the utility model mold seat and lower composite mold;
[0021] Figure 5 It is the upper composite mold of the utility model bottom view structural schematic diagram;
[0022] Figure 6 It is the sectional view structural schematic diagram of the utility model telescopic rod and fixed column;
[0023] Figure 7 It is the control part of the utility model local enlarged structural schematic diagram.
[0024] In the drawing: 1, mold seat;2, control part;21, recess;22, trigger block;23, movable cavity;24, rotating rod;25, volute spring;26, connecting block;27, push rod;28, movable slot;29, limit rod;210, contraction slot;211, clamping groove;212, telescopic rod;213, fixed column;214, spring;215, cooling cavity;216, piston box;217, piston plate;218, piston rod;219, connecting pipe;3, lower composite mold;4, upper composite mold;5, connecting hole. DETAILED DESCRIPTION
[0025] As Figures 1-7The utility model provides a kind of composite mould of oil cooler shell, including mould seat 1, lower composite mould 3 and upper composite mould 4, the surface of upper composite mould 4 is equipped with connecting hole 5, when using, mould seat 1 is connected with upper composite mould 4 with forming equipment, upper composite mould 4 and lower composite mould 3 are adhered to by the power device of forming equipment, and make upper composite mould 4 and lower composite mould 3 are embedded in mould seat 1, raw material is injected into upper composite mould 4 and lower composite mould 3 by connecting hole 5, the inside of mould seat 1 is provided with control part 2, control part 2 includes: recess 21, trigger block 22, movable cavity 23, rotating rod 24, scroll spring 25, connecting block 26, push rod 27, movable slot 28, limit rod 29, shrinkage slot 210, clamping groove 211, telescopic rod 212, fixed column 213, spring 214, cooling cavity 215, piston box 216, piston plate 217, piston rod 218, connecting pipe 219.
[0026] The recess 21 is arranged on the side of the upper compound die 4, the inner side of the recess 21 is fixedly connected with the trigger block 22, the inside of the die seat 1 is arranged with the movable cavity 23, the movable cavity 23 is penetrated and rotationally connected with the rotating rod 24, the surface of one end of the rotating rod 24 located in the movable cavity 23 is fixedly connected with the volute spring 25, the end of the volute spring 25 away from the rotating rod 24 is fixedly connected with the inner side of the movable cavity 23, the connecting block 26 is penetrated by the rotating rod 24 and is fixedly connected, the side of the connecting block 26 close to the upper compound die 4 is fixedly connected with the push rod 27, the inner side of the die seat 1 is arranged with the movable slot 28, when the upper compound die 4 moves downwards, the trigger block 22 in the recess 21 will abut against the inclined surface of the push rod 27, so as to force the push rod 27 to drive the connecting block 26 to rotate, and the connecting block 26 will drive the rotating rod 24 to rotate, so that the push rod 27 is retracted into the movable slot 28, and the connecting block 26 penetrates the movable slot 28. The bottom end of the rotating rod 24 penetrates the limiting rod 29, and the limiting rod 29 is fixedly connected with the rotating rod 24, the side of the lower compound die 3 is arranged with the clamping groove 211, the rotating rod 24 will compress the volute spring 25 at the same time, and will drive the limiting rod 29 to retract into the retraction slot 210, when the clamping groove 211 arranged on the side of the lower compound die 3 is flush with the position of the limiting rod 29, the volute spring 25 will rotate and drive the rotating rod 24 to rotate, so that the limiting rod 29 is inserted into the clamping groove 211. The inside of the die seat 1 is arranged with the retraction slot 210, the limiting rod 29 penetrates the retraction slot 210, and the rotating rod 24 penetrates the movable cavity 23, the movable slot 28 and the retraction slot 210 at the same time. The bottom surface of the lower compound die 3 is fixedly connected with the telescopic rod 212, the bottom end of the telescopic rod 212 penetrates and is slidingly connected with the fixed column 213, the bottom surface of the fixed column 213 is fixedly connected with the inner side of the die seat 1. The bottom surface of the telescopic rod 212 is fixedly connected with the spring 214, when the lower compound die 3 moves downwards, the telescopic rod 212 will be pushed to retract into the fixed column 213, and the spring 214 will be compressed, the end of the spring 214 away from the telescopic rod 212 is fixedly connected with the inner side of the fixed column 213, after the upper compound die 4 is lifted for a distance, the trigger block 22 will abut against the push rod 27 again, so that a certain gap is left between the upper compound die 4 and the lower compound die 3, and after the trigger block 22 drives the push rod 27 again, the limiting rod 29 is not inserted into the clamping groove 211, the retracted spring 214 will instantaneously lift the lower compound die 3 through the telescopic rod 212, and the lower compound die 3 will impact the bottom of the upper compound die 4 to generate vibration. The inside of the lower compound die 3 is arranged with the cooling cavity 215, when the lower compound die 3 moves downwards, the piston box 216 will be pushed to move downwards, so as to relatively shorten the distance between the piston rod 218, the piston plate 217 and the piston box 216, so that the cooling liquid in the piston box 216 enters the cooling cavity 215, to cool the raw materials in the inside of the lower compound die 3, the bottom of the cooling cavity 215 penetrates and is fixedly connected with the connecting pipe 219.The bottom surface of the lower compound die 3 is fixedly connected with a piston box 216, the inner side of the piston box 216 is connected with a piston plate 217, the bottom surface of the piston plate 217 is fixedly connected with a piston rod 218, the end of the piston rod 218 away from the piston plate 217 is fixedly connected with the inner side of the die holder 1, the piston rod 218 penetrates through the piston box 216 and is connected with the piston, the top of the piston box 216 and the piston plate 217 is filled with cooling liquid, and the bottom end of the connecting pipe 219 penetrates through the piston box 216 and is fixedly connected.
[0027] Based on the above-mentioned embodiment, in use, the die holder 1 and the upper compound die 4 are connected with a molding equipment, the power device of the molding equipment pushes the upper compound die 4 and the lower compound die 3 to adhere, and makes the upper compound die 4 and the lower compound die 3 all embedded in the die holder 1, the raw material is injected into the upper compound die 4 and the lower compound die 3 through the connecting hole 5, the casting of the oil cooler shell is carried out, when the lower compound die 3 moves downward, the telescopic rod 212 is pushed to shrink into the fixed column 213, and the spring 214 is compressed, when the upper compound die 4 moves downward, the trigger block 22 in the groove 21 drives the inclined surface of the push rod 27, so that the push rod 27 drives the connecting block 26 to rotate, the connecting block 26 drives the rotating rod 24 to rotate, so that the push rod 27 shrinks into the movable groove 28, the rotating rod 24 rotates at the same time, the spiral spring 25 is compressed, and the limiting rod 29 is driven to shrink into the shrinkage groove 210, when the clamping groove 211 opened on the side of the lower compound die 3 is flush with the position of the limiting rod 29, the spiral spring 25 rotates and drives the rotating rod 24 to rotate, so that the limiting rod 29 is inserted into the clamping groove 211, after the raw material is cooled, the upper compound die 4 is lifted, and after the upper compound die 4 is lifted for a distance, the trigger block 22 drives the push rod 27 again, so that a certain gap is left between the upper compound die 4 and the lower compound die 3, after the trigger block 22 drives the push rod 27 again, the limiting rod 29 is not inserted into the clamping groove 211, the compressed spring 214 drives the lower compound die 3 to be lifted instantaneously through the telescopic rod 212, and the lower compound die 3 hits the bottom of the upper compound die 4 to generate vibration, so that the molding elements in the lower compound die 3 are loose, thereby being more convenient for demolding.
[0028] When the lower compound die 3 moves downward, the piston box 216 is pushed to move downward, and the distance between the piston rod 218, the piston plate 217 and the piston box 216 is shortened, so that the cooling liquid in the piston box 216 enters the cooling cavity 215, and the raw material in the lower compound die 3 is cooled, so that the oil cooler element is cooled from the inside, and demolding is more convenient.
[0029] The above is a detailed description of the present application, but some modifications or improvements can be made on the basis of the present application, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the present application are within the scope of the present application.
Claims
1. A composite die for an oil cooler housing, comprising a die holder (1), a lower composite die (3) and an upper composite die (4), characterized in that: The surface of the upper composite mold (4) is provided with a connecting hole (5), the inside of the mold base (1) is provided with a control part (2), the control part (2) comprises: The groove (21) is provided on the side surface of the upper composite mold (4), the inner side of the groove (21) is fixedly connected with a trigger block (22), the inside of the mold base (1) is provided with a movable cavity (23), the movable cavity (23) is penetrated and rotationally connected with a rotating rod (24), one end surface of the rotating rod (24) located in the movable cavity (23) is fixedly connected with a volute spring (25), one end of the volute spring (25) away from the rotating rod (24) is fixedly connected with the inner side of the movable cavity (23); The connecting block (26) is penetrated and fixedly connected with the rotating rod (24), one side of the connecting block (26) close to the upper composite mold (4) is fixedly connected with a push rod (27), the inner side of the mold base (1) is provided with a movable slot (28), the connecting block (26) penetrates the movable slot (28).
2. The composite mold for an oil cooler housing according to claim 1, wherein: The bottom end of the rotating rod (24) penetrates a limiting rod (29), and the limiting rod (29) is fixedly connected with the rotating rod (24), the side surface of the lower composite mold (3) is provided with a clamping groove (211).
3. A composite mold for an oil cooler housing according to claim 2, wherein: The inner side of the mold base (1) is provided with a contraction slot (210), the limiting rod (29) penetrates the contraction slot (210), and the rotating rod (24) penetrates the movable cavity (23), the movable slot (28) and the contraction slot (210) at the same time.
4. The composite mold for an oil cooler housing according to claim 1, wherein: The bottom surface of the lower composite mold (3) is fixedly connected with an extension rod (212), the bottom end of the extension rod (212) penetrates and is slidingly connected with a fixed column (213), the bottom surface of the fixed column (213) is fixedly connected with the inner side of the mold base (1).
5. A composite mold for an oil cooler housing according to claim 4, wherein: The bottom surface of the extension rod (212) is fixedly connected with a spring (214), one end of the spring (214) away from the extension rod (212) is fixedly connected with the inner side of the fixed column (213).
6. The composite mold for an oil cooler housing according to claim 1, wherein: The inner side of the lower composite mold (3) is provided with a cooling cavity (215), the bottom of the cooling cavity (215) penetrates and is fixedly connected with a connecting pipe (219).
7. A composite mold for an oil cooler housing according to claim 6, wherein: The bottom surface of the lower composite mold (3) is fixedly connected with a piston box (216), the inner side of the piston box (216) is piston-connected with a piston plate (217), the bottom surface of the piston plate (217) is fixedly connected with a piston rod (218), one end of the piston rod (218) away from the piston plate (217) is fixedly connected with the inner side of the mold base (1), the piston rod (218) penetrates the piston box (216) and is piston-connected, the piston box (216) and the top of the piston plate (217) are filled with a cooling liquid, and the bottom end of the connecting pipe (219) penetrates the piston box (216) and is fixedly connected.