A progressive mold for refrigerator lower partition
By designing a refrigerator lower partition step mold combining injection molding and stamping processes, the problem of low production efficiency in the prior art is solved, and efficient integration of injection molding and stamping processes is achieved.
Patent Information
- Application Number
- CN202310248352.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-03-15
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2043-03-15
AI Technical Summary
The existing refrigerator lower partition injection mold and stamping mold are separately set up, which adds processing procedures, resulting in low production efficiency.
A refrigerator lower partition stage mold is designed, and components such as mounting base, lower formwork, upper formwork, first telescopic component, second telescopic component, stamping component and electromagnetic component are integrated to realize the integration of injection molding and stamping processes.
By integrating the injection molding and stamping processes, production efficiency is improved, processing procedures are simplified, and the molding quality of the product is improved.
Smart Images

Figure CN116197378B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of progressive moulds, in particular to a progressive mould for a lower partition of a refrigerator. Background Art
[0002] Progressive die is also called continuous die. It refers to a cold stamping die that uses a strip of raw materials to stamp in a press or hydraulic press in one stamping stroke. It uses a die to complete multiple stamping processes at several different stations at the same time. After each stamping, the material strip moves once until the product is completed. The refrigerator lower partition is generally made by injection molding. The existing refrigerator lower partition injection mold and stamping mold are set separately, which increases the processing procedures and leads to low production efficiency. Summary of the invention
[0003] The purpose of the invention is to solve the shortcomings in the prior art and to propose a progressive mold for a lower partition of a refrigerator.
[0004] In order to achieve the above object, the present invention adopts the following technical solutions:
[0005] A progressive mold for a refrigerator lower partition comprises a mounting seat, a lower mold plate is arranged on the top of the mounting seat, an upper mold plate is arranged on the side of the lower mold plate away from the mounting seat, a lower mold cavity is arranged on the side of the lower mold plate close to the upper mold plate, and an upper mold cavity is arranged on the side of the upper mold plate close to the lower mold plate, which is used for injection molding of the refrigerator lower partition; a groove is arranged on the inner wall of the lower mold cavity on the side away from the upper mold plate, and a first telescopic component is installed inside the groove; a lifting component is installed on one end of the piston rod of the first telescopic component, which is used to cover the top opening of the groove; a mounting groove is arranged on the inner wall of one side of the groove, and the inner wall of the mounting groove is provided with a mounting groove. A second telescopic component is installed horizontally on the top; a connecting component is installed on one end of the piston rod of the second telescopic component, and a stamping component is arranged on one end of the connecting component; a first electromagnetic component is arranged on the side of the stamping component close to the connecting component, which is used to be connected and fixed with the connecting component; a second receiving groove is opened on the side of the lifting component close to the upper template, and an iron component is arranged inside the second receiving groove; the outer diameter of the stamping component is matched with the inner diameter of the groove, and a second electromagnetic component is arranged on the bottom of the stamping component, which is used to position the stamping component on the top of the lifting component through magnetic connection with the iron component.
[0006] Preferably, a connecting groove is provided on one side of the stamping component close to the connecting component, and the inner diameter of the connecting groove is matched with the outer diameter of the connecting component; and the first electromagnetic component is installed on the inner wall of the connecting groove.
[0007] Preferably, the connecting component is made of iron.
[0008] Preferably, a through hole is provided on one side of the second receiving groove, and a first receiving groove is provided on the side of the through hole away from the second receiving groove; a limiting component is placed inside the first receiving groove, and an extension component is installed on the side of the limiting component, and one end of the extension component extends into the second receiving groove through the through hole and is connected to the side of the iron component; a limiting groove is provided on the side of the stamping component close to the lifting component, and the opening position of the limiting groove corresponds to the position of the limiting component.
[0009] Preferably, the inner wall of the upper mold cavity is provided with a reinforcement strip, and the position of the reinforcement strip corresponds to the opening position of the groove.
[0010] Preferably, a positioning groove is provided on one side of the lower template close to the upper template; a vertically arranged positioning component is provided on one side of the upper template close to the lower template, and the position of the positioning component corresponds to the opening position of the positioning groove.
[0011] Preferably, the inner wall of the opening of the positioning groove is inclined; and the end of the positioning component close to the lower template is an arc surface.
[0012] Preferably, the side surfaces of the lower template are provided with mounting wings, and also include mounting pins for fixing the lower template on the mounting seat.
[0013] Preferably, a side of the inner wall of the installation groove close to the groove is an inclined surface to facilitate resetting of the stamping component into the installation groove.
[0014] The beneficial effects of the present invention are:
[0015] When in use, the upper template and the lower template are buckled together for injection molding. After the injection molding is completed, the first telescopic component drives the groove to move downward until the groove moves to the bottom of the installation slot opening, and then the second telescopic component is used to push the stamping component to move horizontally until the stamping component moves to the top of the lifting component. At this time, the second electromagnetic component is powered on. At this time, the iron component moves upward in the second storage groove under the action of magnetic attraction until the top of the iron component is magnetically fixed to the bottom of the second electromagnetic component, thereby magnetically fixing the bottom of the stamping component to the top of the lifting component, and then the lifting component and the stamping component are pushed upward by the first telescopic component to realize the lower partition of the refrigerator after injection molding. The side of the plate is stamped, and after the stamping is completed, the first telescopic component drives the stamping component to reset to the opening of the mounting groove, and the second telescopic component pushes the position of the adjusting connecting component so that the side of the connecting component contacts the first electromagnetic component. At this time, the first electromagnetic component is powered on and magnetically fixed to the connecting component, and the power of the second electromagnetic component is disconnected. The second telescopic component drives the stamping component to reset to the inside of the mounting groove. When demolding, the upper template is separated from the lower template, and the lifting component is pushed by the first telescopic component to push the bottom of the lower partition of the refrigerator, and the lower partition of the refrigerator is ejected from the inside of the lower mold cavity, which is convenient for demolding and completes the injection molding and stamping processes, with high production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 A schematic structural diagram of a progressive mold for a refrigerator lower partition provided by an embodiment of the present invention;
[0017] Figure 2 for Figure 1 A magnified view of the local structure at B in the middle;
[0018] Figure 3 for Figure 1 A magnified view of the local structure at center A;
[0019] Figure 4 A cross-sectional view of the lifting component structure of a progressive mold for a lower partition of a refrigerator proposed in an embodiment of the present invention.
[0020] In the figure: 1-mounting seat, 2-lower template, 3-lower mold cavity, 4-upper mold cavity, 5-upper template, 6-reinforcement strip, 7-groove, 8-first telescopic component, 9-lifting component, 10-mounting slot, 11-second telescopic component, 12-stamping component, 13-first electromagnetic component, 14-second electromagnetic component, 15-connecting component, 16-positioning component, 17-positioning slot, 18-mounting side wing, 19-mounting pin, 20-inclined surface, 21-limiting slot, 22-limiting component, 23-first receiving slot, 24-perforation, 25-second receiving slot, 26-iron component, 27-extension component. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.
[0022] Example 1
[0023] Reference Figures 1 to 4A progressive mold for a refrigerator lower partition comprises a mounting seat 1, a lower template 2 is arranged on the top of the mounting seat 1, an upper template 5 is arranged on the side of the lower template 2 away from the mounting seat 1, a lower mold cavity 3 is opened on the side of the lower template 2 close to the upper template 5, and an upper mold cavity 4 is opened on the side of the upper template 5 close to the lower template 2 for injection molding of the refrigerator lower partition; a groove 7 is opened on the inner wall of the lower mold cavity 3 on the side away from the upper template 5, and a first telescopic component 8 is installed inside the groove 7; a lifting component 9 is installed at one end of the piston rod of the first telescopic component 8, which is used to cover the top opening of the groove 7; an installation groove 10 is opened on the inner wall of one side of the groove 7, and a water A second telescopic component 11 is arranged horizontally; a connecting component 15 is installed at one end of the piston rod of the second telescopic component 11, and a stamping component 12 is arranged at one end of the connecting component 15; a first electromagnetic component 13 is arranged on the side of the stamping component 12 close to the connecting component 15, which is used to be connected and fixed with the connecting component 15; a second receiving groove 25 is opened on the side of the lifting component 9 close to the upper template 5, and an iron component 26 is arranged inside the second receiving groove 25; the outer diameter of the stamping component 12 is matched with the inner diameter of the groove, and a second electromagnetic component 14 is arranged at the bottom of the stamping component 12, which is used to position the stamping component 12 on the top of the lifting component 9 through magnetic connection with the iron component 26.
[0024] When in use, the upper template 5 and the lower template 2 are buckled together for injection molding. After the injection molding is completed, the first telescopic component 8 drives the groove 7 to move downward until the groove 7 moves to the bottom of the opening of the installation groove 10, and then the second telescopic component 11 pushes the stamping component 12 to move horizontally until the stamping component 12 moves to the top of the lifting component 9. At this time, the second electromagnetic component 14 is powered on. At this time, the iron component 26 moves upward in the second storage groove 25 under the action of magnetic attraction until the top of the iron component 26 is magnetically fixed to the bottom of the second electromagnetic component 14, thereby magnetically fixing the bottom of the stamping component 12 to the top of the lifting component 9, and then the lifting component 9 and the stamping component 12 are pushed upward by the first telescopic component 8 to realize the lower refrigerator after injection molding. The side of the partition is stamped, and after the stamping is completed, the first telescopic component 8 drives the stamping component 12 to reset to the opening of the mounting groove 10, and the second telescopic component 11 pushes the position of the adjusting connecting component 15 so that the side of the connecting component 15 contacts the first electromagnetic component 13. At this time, the first electromagnetic component 13 is powered on and magnetically fixed to the connecting component 15, and the power of the second electromagnetic component 14 is disconnected. The second telescopic component 11 drives the stamping component 12 to reset to the inside of the mounting groove 10. During demolding, the upper template 5 is separated from the lower template 2, and the lifting component 9 is pushed by the first telescopic component 8 to push the bottom of the lower partition of the refrigerator, and the lower partition of the refrigerator is ejected from the inside of the lower mold cavity 3, which is convenient for demolding and completes the injection molding and stamping processes with high production efficiency.
[0025] As a preferred embodiment of the present invention, the first telescopic component 8 and the second telescopic component 11 are electric telescopic rods, hydraulic cylinders, etc. In this embodiment, preferably the first telescopic component 8 and the second telescopic component 11 are both electric telescopic rods.
[0026] As a preferred embodiment of the present invention, the top of the stamping component 12 is a curved surface structure.
[0027] As a preferred embodiment of the present invention, a connecting groove is provided on one side of the stamping component 12 close to the connecting component 15, and the inner diameter of the connecting groove is matched with the outer diameter of the connecting component 15; the first electromagnetic component 13 is installed on the inner wall of the connecting groove, and when the stamping component 12 is connected through the connecting component 15, the connecting component 15 is inserted into the connecting groove under the pushing action of the second telescopic component 11. At this time, the first electromagnetic component 13 is magnetically attracted to the connecting component 15 to achieve the connection and fixation of the connecting component 15 and the stamping component 12.
[0028] As a preferred embodiment of the present invention, the connecting component 15 is made of iron.
[0029] As a preferred embodiment of the present invention, a through hole 24 is provided on one side of the second receiving groove 25, and a first receiving groove 23 is provided on the side of the through hole 24 away from the second receiving groove 25; a limiting component 22 is placed inside the first receiving groove 23, and an extension component 27 is installed on the side of the limiting component 22, and one end of the extension component 27 extends to the inside of the second receiving groove 25 through the through hole 24 and is connected to the side of the iron component 26; a limiting groove 21 is provided on the side of the stamping component 12 close to the lifting component 9, and the opening position of the limiting groove 21 corresponds to the position of the limiting component 22. When the stamping component 12 is located at the top of the lifting component 9, the power of the second electromagnetic component 14 is turned on, and at this time, the iron component 26 is under the action of the magnetic attraction. Move upward in the second receiving groove 25 until the top of the iron component 26 is magnetically fixed to the bottom of the second electromagnetic component 14, and at the same time, the limiting component 22 moves with the movement of the iron component 26, and the limiting component 22 is inserted into the limiting groove 21 to limit the connection between the stamping component 12 and the lifting component 9, so as to avoid the situation that the stamping component 12 is offset from the lifting component 9 due to the horizontal force during the stamping process, and avoid the situation that the stamping component 12 is offset from the lifting component 9 during the stamping process and falls into the lower mold cavity 3. When it is necessary to reset the stamping component 12 to the installation groove 10, disconnect the power supply of the second electromagnetic component 14. At this time, the limiting component 22 falls back into the first receiving groove 23 under the action of gravity.
[0030] As a preferred embodiment of the present invention, the inner wall of the upper mold cavity 4 is provided with a reinforcing strip 6, and the position of the reinforcing strip 6 corresponds to the opening position of the groove 7, which is used to support the stamping position of the lower partition of the refrigerator when the lower partition of the refrigerator is stamped, so as to avoid the situation where the inner wall of the upper mold cavity 4 is damaged by impact when the lower partition of the refrigerator is damaged by stamping due to operational errors.
[0031] Example 2
[0032] Reference Figures 1 to 4 A progressive mold for a refrigerator lower partition comprises a mounting seat 1, a lower template 2 is arranged on the top of the mounting seat 1, an upper template 5 is arranged on the side of the lower template 2 away from the mounting seat 1, a lower mold cavity 3 is opened on the side of the lower template 2 close to the upper template 5, and an upper mold cavity 4 is opened on the side of the upper template 5 close to the lower template 2 for injection molding of the refrigerator lower partition; a groove 7 is opened on the inner wall of the lower mold cavity 3 on the side away from the upper template 5, and a first telescopic component 8 is installed inside the groove 7; a lifting component 9 is installed at one end of the piston rod of the first telescopic component 8, which is used to cover the top opening of the groove 7; an installation groove 10 is opened on the inner wall of one side of the groove 7, and a water A second telescopic component 11 is arranged horizontally; a connecting component 15 is installed at one end of the piston rod of the second telescopic component 11, and a stamping component 12 is arranged at one end of the connecting component 15; a first electromagnetic component 13 is arranged on the side of the stamping component 12 close to the connecting component 15, which is used to be connected and fixed with the connecting component 15; a second receiving groove 25 is opened on the side of the lifting component 9 close to the upper template 5, and an iron component 26 is arranged inside the second receiving groove 25; the outer diameter of the stamping component 12 is matched with the inner diameter of the groove, and a second electromagnetic component 14 is arranged at the bottom of the stamping component 12, which is used to position the stamping component 12 on the top of the lifting component 9 through magnetic connection with the iron component 26.
[0033] As a preferred embodiment of the present invention, a positioning groove 17 is provided on the side of the lower template 2 close to the upper template 5; a vertically arranged positioning component 16 is provided on the side of the upper template 5 close to the lower template 2, and the position of the positioning component 16 corresponds to the opening position of the positioning groove 17. When the upper template 5 and the lower template 2 are installed and fixed, the positioning component 16 is inserted into the interior of the positioning groove 17 to position the installation of the lower template 2 and the upper template 5.
[0034] As a preferred embodiment of the present invention, the inner wall of the opening of the positioning groove 17 is inclined; the end of the positioning component 16 close to the lower template 2 is an arc surface, ensuring that the positioning component 16 can be quickly and effectively inserted into the interior of the positioning groove 17.
[0035] As a preferred embodiment of the present invention, a mounting wing 18 is installed on the side of the lower template 2 ; it also includes a mounting pin 19 for mounting and fixing the lower template 2 on the mounting seat 1 .
[0036] As a preferred embodiment of the present invention, a side of the inner wall of the installation groove 10 close to the groove 7 is an inclined surface 20 to facilitate the reset of the stamping component 12 into the installation groove 10 .
[0037] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A progressive mold for a lower partition of a refrigerator, comprising a mounting seat, a lower mold plate is arranged on the top of the mounting seat, and an upper mold plate is arranged on the side of the lower mold plate away from the mounting seat, characterized in that: A lower mold cavity is formed on one side of the lower mold plate close to the upper mold plate, and an upper mold cavity is formed on one side of the upper mold plate close to the lower mold plate for injection molding of the lower partition of the refrigerator; The inner wall of the lower mold cavity away from the upper mold plate is provided with a groove, and a first telescopic component is installed inside the groove; A lifting component is installed at one end of the piston rod of the first telescopic component, which is used to cover the top opening of the groove; An installation groove is provided on the inner wall of one side of the groove, and a second telescopic component arranged horizontally is installed inside the installation groove; a connecting component is installed at one end of the piston rod of the second telescopic component, and a stamping component is provided at one end of the connecting component; A first electromagnetic component is provided on one side of the stamping component close to the connecting component, and is used to be connected and fixed with the connecting component; A second receiving groove is provided on one side of the lifting component close to the upper template, and an iron component is arranged inside the second receiving groove; The outer diameter of the stamping component is matched with the inner diameter of the groove. A second electromagnetic component is arranged at the bottom of the stamping component, which is used to position the stamping component on the top of the lifting component through magnetic connection with the iron component. A connecting groove is opened on the side of the stamping component close to the connecting component, and the inner diameter of the connecting groove is matched with the outer diameter of the connecting component; the first electromagnetic component is installed on the inner wall of the connecting groove, and the connecting component is made of iron.
2. A refrigerator lower partition progressive mold according to claim 1, characterized in that: A through hole is formed on one side of the second receiving groove, and a first receiving groove is formed on a side of the through hole away from the second receiving groove; A limiting component is placed inside the first receiving groove, an extension component is installed on the side of the limiting component, and one end of the extension component extends into the second receiving groove through a perforation and is connected to the side of the iron component; A limiting groove is provided on one side of the stamping component close to the lifting component, and the opening position of the limiting groove corresponds to the position of the limiting component.
3. A refrigerator lower partition progressive mold according to claim 1, characterized in that: The inner wall of the upper mold cavity is provided with a reinforcement strip, and the position of the reinforcement strip corresponds to the opening position of the groove.
4. A refrigerator lower partition progressive mold according to claim 1, characterized in that: A positioning groove is provided on one side of the lower template close to the upper template; A vertically arranged positioning component is arranged on one side of the upper template close to the lower template, and the position of the positioning component corresponds to the opening position of the positioning groove.
5. A refrigerator lower partition progressive mold according to claim 4, characterized in that: The inner wall of the opening of the positioning groove is inclined; One end of the positioning component close to the lower template is a curved surface.
6. A refrigerator lower partition progressive mold according to claim 1, characterized in that: The side of the lower template is equipped with a mounting side wing; It also includes mounting pins for fixing the lower template on the mounting seat.
7. The refrigerator lower partition progressive mold according to claim 1, characterized in that: The side of the inner wall of the installation groove close to the groove is an inclined surface, which is convenient for the stamping component to be reset into the installation groove.
Citation Information
Patent Citations
Automobile fitting injection device
CN108582644A
Taper hole punching device for piston pin production and using method thereof
CN115740184A