High-grade passenger car central armrest side plate mold with cavity sliding block core-pulling mechanism
The cavity slider core-pulling mechanism solves the problem of synchronous molding and demolding of the hole and groove structure of the central armrest side panel mold during the injection molding process, thereby achieving the improvement of the integrity of the hole and groove structure and the surface quality of the plastic part.
Patent Information
- Application Number
- CN202422781174.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-14
- Publication Date
- 2025-09-23
- Estimated Expiration
- 2034-11-14
AI Technical Summary
The existing central armrest side panel mold has difficulty in simultaneously molding multiple hole and groove structures during the injection molding process, which causes the hole and groove structures to be easily damaged or stuck during demolding, affecting the quality of the plastic parts.
The cavity slider core pulling mechanism is adopted, including the bottom core pulling inclined slider, the bottom core pulling lifting slider and the bottom side horizontal core pulling slider, combined with the inclined slider connector and the middle ejector, to achieve synchronous molding and core pulling and demoulding of the hole and groove structure to avoid jamming.
This ensures that the hole and groove structure does not get stuck during demoulding, improves the surface quality of the multi-structure of the plastic part, avoids secondary processing, and improves the integrity of the plastic part.
Smart Images

Figure CN223369969U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of molds and relates to a mold for a central armrest side panel of a high-end passenger car with a cavity slider and a core-pulling mechanism. Background Art
[0002] The central armrest side panel of a passenger car is one of the essential parts in a car, and its main material is plastic. It is injection molded using an injection mold. Since the central armrest side panel of a passenger car needs to be assembled with the central armrest box, it requires a large number of hole and groove structures. During the injection molding process, the existing central armrest side panel mold generally has difficulty in simultaneously molding the hole and groove structures in multiple directions of the plastic part, and secondary processing is required. Otherwise, the hole and groove structures are prone to damage or jamming during the demoulding process, affecting the quality of the plastic part. Therefore, it is urgent to design a high-end passenger car central armrest side panel mold with a cavity slider core pulling mechanism that can overcome the above defects.
[0003] In order to overcome the shortcomings of the existing technology, people have proposed various solutions through continuous exploration. For example, a Chinese patent discloses a continuous mold for the production of automobile armrest bracket side panels [application number: 202221065131.4], including a continuous mold; a material plate is stamped between the continuous molds; a guide block at one end of the continuous mold is cooperated with the material plate; an external force acts on the material plate to pass through the continuous molds; the continuous mold includes a trimming mold, a flanging mold, a punching mold and a cutting mold; a plurality of the trimming molds, flanging molds, punching molds and cutting molds are arranged in sequence along the direction of movement of the material plate to punch and cut the material plate, and the trimming molds, flanging molds, punching molds and cutting molds are mutually limited to the material plate. Utility Model Content
[0004] The purpose of the utility model is to solve the above problems and provide a high-end passenger car central armrest side panel mold with a cavity slider core-pulling mechanism.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A high-end passenger car central armrest side panel mold with a cavity slider core-pulling mechanism includes an armrest side panel molding lower mold and an armrest side panel molding upper mold, an injection molded part is provided above the armrest side panel molding upper mold, an armrest side panel molding lower inlay is provided in the armrest side panel molding lower mold, an armrest side panel molding upper inlay is provided in the armrest side panel molding upper mold, an armrest side panel upper molding seat is provided in the armrest side panel molding upper inlay, an armrest side panel upper molding piece is provided in the armrest side panel molding upper inlay, a cavity slider core-pulling mechanism is provided in the armrest side panel molding lower inlay, the armrest side panel upper molding piece corresponds to the position of the cavity slider core-pulling mechanism, a middle ejector is provided below the armrest side panel molding lower mold, which passes through the armrest side panel molding lower inlay, and the middle ejector is staggered with the cavity slider core-pulling mechanism.
[0007] In the above-mentioned high-end passenger car central armrest side panel mold with a cavity slider core-pulling mechanism, the cavity slider core-pulling mechanism includes a bottom core-pulling inclined slider, a bottom core-pulling lifting slider and a bottom side horizontal core-pulling slider arranged in the armrest side panel forming lower inlay, the bottom side horizontal core-pulling slider is in contact with the bottom core-pulling lifting slider, and the bottom core-pulling inclined slider and the bottom core-pulling lifting slider are staggered.
[0008] In the above-mentioned high-end passenger car central armrest side panel mold with a cavity slider core-pulling mechanism, an inclined slider connector is provided in the armrest side panel forming lower inlay, and the bottom core-pulling inclined slider is slidably matched with the inclined slider connector.
[0009] In the above-mentioned high-end passenger car central armrest side panel mold with a cavity slider core-pulling mechanism, the inclined slider connector includes an inclined sliding connecting seat arranged in the armrest side panel forming lower inlay seat, an inclined sliding connecting seat is provided with an inclined slide rail, and the bottom of the bottom core-pulling inclined slider is provided with a slide rail connecting base, the cross-section of the slide rail connecting base is an inverted T-shape, and the slide rail connecting base is slidably matched with the inclined slide rail.
[0010] In the above-mentioned high-end passenger car central armrest side panel mold with a cavity slider core-pulling mechanism, a plurality of hole-groove forming convex shafts are provided on the top of the bottom core-pulling lifting slider, and a slider connecting rod is provided on the bottom of the hole-groove forming convex shaft.
[0011] In the above-mentioned high-end passenger car central armrest side panel mold with a cavity slider core-pulling mechanism, the bottom horizontal core-pulling slider is provided with a side hole forming protrusion near one end of the bottom core-pulling lifting slider, and a side hole forming space is formed between the side hole forming protrusion and the bottom core-pulling lifting slider.
[0012] In the above-mentioned high-end passenger car central armrest side panel mold with a cavity slider core-pulling mechanism, the upper molding part of the armrest side panel includes two upper auxiliary molding inserts and a middle fixed clamp block arranged in the armrest side panel molding upper insert, and the middle fixed clamp block is located between the two upper auxiliary molding inserts.
[0013] In the above-mentioned high-end passenger car central armrest side panel mold with a cavity slider core-pulling mechanism, the central ejector includes a plurality of central straight ejector rods arranged below the armrest side panel forming lower mold, and the central straight ejector rods pass through the armrest side panel forming lower inlay.
[0014] In the above-mentioned high-end passenger car central armrest side panel mold with a cavity slider core-pulling mechanism, a push rod fixing plate is provided below the armrest side panel forming lower mold, and the push rod fixing plate is fixedly connected to the middle straight push rod.
[0015] In the above-mentioned high-end passenger car central armrest side panel mold with a cavity slider core-pulling mechanism, the injection molded part includes an injection molding main plate and an injection molding main hole arranged above the armrest side panel molding upper mold.
[0016] Compared with the existing technology, the advantages of this utility model are:
[0017] 1. During the injection molding process, the utility model brings the armrest side panel molding lower mold and the armrest side panel molding upper mold close to each other, so that the armrest side panel molding lower inlay and the armrest side panel molding upper inlay fit together, cooperates with the upper molding part of the armrest side panel and the cavity slider core-pulling mechanism to synchronously assist in molding the upper and lower structures, bottom hole groove and side hole groove structure of the plastic part. After the injection molding is completed, the mold is opened, and the cavity slider core-pulling mechanism is pulled out from the hole groove structure of the molded plastic part by sliding, so that the hole groove structure will not get stuck during subsequent ejection and demolding, and then the molded plastic part is fully ejected and demolded through the middle ejector, so as to ensure the integrity of the hole groove of the plastic part and improve the surface quality of the multi-structure of the plastic part.
[0018] Other advantages, objectives and features of the present invention will be reflected in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a structural diagram of the present utility model.
[0020] Figure 2 It is a partial structural diagram of the utility model.
[0021] Figure 3 It is a partial structural diagram of another direction of the utility model.
[0022] Figure 4 It is a partial structural diagram of another direction of the utility model.
[0023] In the figure: armrest side panel molding lower mold 1, armrest side panel molding upper mold 2, injection molded part 3, armrest side panel molding lower inlay 4, armrest side panel molding upper inlay 5, armrest side panel upper molding part 6, cavity slider core-pulling mechanism 7, middle ejector 8, bottom core-pulling inclined slider 9, bottom core-pulling lifting slider 10, bottom side horizontal core-pulling slider 11, inclined slider connector 12, inclined sliding connecting seat 13, inclined slide rail 14, slide rail connecting base 15, hole groove molding cam 16, slider connecting rod 17, side hole molding cam 18, upper auxiliary molding insert 19, middle fixed clamp 20, middle straight ejector 21, ejector fixing plate 22, injection molding main board 23, injection molding main hole 24. DETAILED DESCRIPTION
[0024] The present invention will be further described below with reference to the accompanying drawings.
[0025] like Figure 1-4 As shown, a high-end passenger car central armrest side panel mold with a cavity slider core-pulling mechanism includes an armrest side panel molding lower mold 1 and an armrest side panel molding upper mold 2, an injection molded part 3 is provided above the armrest side panel molding upper mold 2, an armrest side panel molding lower inlay 4 is provided in the armrest side panel molding lower mold 1, an armrest side panel molding upper inlay 5 is provided in the armrest side panel molding upper inlay 5, an armrest side panel upper molding part 6 is provided in the armrest side panel molding upper inlay 5, a cavity slider core-pulling mechanism 7 is provided in the armrest side panel molding lower inlay 4, the armrest side panel upper molding part 6 corresponds to the position of the cavity slider core-pulling mechanism 7, a middle ejector 8 is provided below the armrest side panel molding lower mold 1, which passes through the armrest side panel molding lower inlay 4, and the middle ejector 8 and the cavity slider core-pulling mechanism 7 are staggered.
[0026] In this embodiment, during the injection molding process, the armrest side panel molding lower mold 1 and the armrest side panel molding upper mold 2 are brought close to each other, so that the armrest side panel molding lower insert 4 and the armrest side panel molding upper insert 5 are in contact with each other, and the armrest side panel upper molding part 6 and the cavity slider core pulling mechanism 7 are used to synchronously assist in molding the upper and lower structures, bottom hole grooves and side hole groove structures of the plastic part. After the injection molding is completed, the mold is opened, and the cavity slider core pulling mechanism 7 is pulled out from the hole groove structure of the molded plastic part by sliding, so that the hole groove structure will not get stuck during subsequent ejection and demolding, and then the molded plastic part is fully ejected and demolded through the middle ejector 8 to ensure the integrity of the hole grooves of the plastic part and improve the surface quality of the multi-structure of the plastic part.
[0027] Combine Figure 1-4 As shown, the cavity slider core pulling mechanism 7 includes a bottom core pulling inclined slider 9, a bottom core pulling lifting slider 10 and a bottom side horizontal core pulling slider 11 arranged in the armrest side panel forming lower inlay 4, the bottom side horizontal core pulling slider 11 is in contact with the bottom core pulling lifting slider 10, and the bottom core pulling inclined slider 9 and the bottom core pulling lifting slider 10 are staggered.
[0028] Specifically, during the injection molding process, the bottom core-pulling inclined slider 9, the bottom core-pulling lifting slider 10 and the bottom side horizontal core-pulling slider 11 assist in molding the plastic part. At the same time, the bottom side horizontal core-pulling slider 11 can synchronously mold the side hole groove structure of the plastic part, and the bottom core-pulling lifting slider 10 can synchronously mold the bottom hole groove structure of the plastic part.
[0029] An oblique slider connector 12 is provided in the lower inlay seat 4 of the armrest side panel molding, and the bottom core-pulling oblique slider 9 is slidably matched with the oblique slider connector 12 .
[0030] In this embodiment, after the injection mold is opened, the bottom core-pulling inclined slider 9 is moved obliquely downward along the oblique sliding track of the inclined slider connector 12 to adapt to the arc structure of the plastic part, so that the bottom core-pulling inclined slider 9 is separated from the bottom of the plastic part, and no collision or jamming occurs.
[0031] Combine Figure 2 、 Figure 3 As shown, the inclined sliding block connector 12 includes an inclined sliding connection seat 13 arranged in the lower inlay seat 4 of the armrest side panel molding, and an inclined sliding rail 14 is provided in the inclined sliding connection seat 13. The bottom of the bottom core-pulling inclined sliding block 9 is provided with a slide rail connection base 15. The cross-section of the slide rail connection base 15 is an inverted T-shape, and the slide rail connection base 15 slides with the inclined slide rail 14.
[0032] In this embodiment, after the injection molding is completed, the bottom core-pulling inclined slider 9 is moved obliquely downward along the track of the inclined slide rail 14 of the oblique slide connecting seat 13 to adapt to the arc structure of the plastic part, so that the bottom core-pulling inclined slider 9 is separated from the bottom of the plastic part without collision or jamming. The slide rail connecting base 15 slides with the inclined slide rail 14 to avoid separation.
[0033] A plurality of hole-groove forming convex shafts 16 are provided on the top of the bottom core-pulling lifting slider 10 , and a slider connecting rod 17 is provided on the bottom of the hole-groove forming convex shafts 16 .
[0034] In this embodiment, during the injection molding process, the hole groove forming convex shaft 16 is used to synchronously mold the bottom hole groove structure of the plastic part, and the slider connecting rod 17 can drive the bottom core-pulling lifting slider 10 and the hole groove forming convex shaft 16 to move downward.
[0035] Combine Figure 3 As shown, the bottom horizontal core-pulling slider 11 is provided with a side hole forming protrusion 18 at one end close to the bottom core-pulling lifting slider 10 , and a side hole forming space is formed between the side hole forming protrusion 18 and the bottom core-pulling lifting slider 10 .
[0036] In this embodiment, during the injection molding process, a side hole molding space is formed between the side hole molding protrusion 18 and the bottom core-pulling lifting slider 10. The side hole molding protrusion 18 is used to synchronously mold the side hole groove structure of the plastic part without the need for secondary processing.
[0037] The armrest side panel upper molding part 6 includes two upper auxiliary molding inserts 19 and a middle fixing clamp 20 arranged in the armrest side panel molding upper inlay 5, and the middle fixing clamp 20 is located between the two upper auxiliary molding inserts 19.
[0038] In this embodiment, during the injection molding process, two upper auxiliary molding inserts 19 and a middle fixed clamp block 20 are used to assist in molding the upper structure of the plastic part. The two upper auxiliary molding inserts 19 can fix the front and rear ends of the middle fixed clamp block 20 to prevent the middle fixed clamp block 20 from shaking.
[0039] Combine Figure 1-4 As shown, the middle ejector 8 includes a plurality of middle straight ejector rods 21 arranged below the armrest side panel forming lower mold 1, the middle straight ejector rods 21 pass through the armrest side panel forming lower inlay 4, and a ejector rod fixing plate 22 is provided below the armrest side panel forming lower mold 1, and the ejector rod fixing plate 22 is fixedly connected to the middle straight ejector rods 21.
[0040] In this embodiment, after the injection mold opening and core pulling are completed, the ejector fixing plate 22 is moved upward, driving the middle straight ejector 21 to move synchronously, and the molded plastic part is fully ejected and demolded by the middle straight ejector 21.
[0041] Combine Figure 1-2 As shown, the injection molded part 3 includes an injection molding main plate 23 and an injection molding main hole 24 arranged above the armrest side panel molding upper mold 2.
[0042] In this embodiment, during injection molding, the molten material is injected into the mold cavity through the injection main plate 23 and the injection main hole 24 .
[0043] The working principle of this utility model is:
[0044] During the injection molding process, the armrest side panel molding lower mold 1 and the armrest side panel molding upper mold 2 are brought close to each other, so that the armrest side panel molding lower inlay 4 and the armrest side panel molding upper inlay 5 are fitted together, and two upper auxiliary molding inserts 19 and a middle fixed clamping block 20 are used to assist in molding the upper structure of the plastic part. The two upper auxiliary molding inserts 19 can fix the front and rear ends of the middle fixed clamping block 20 to prevent the middle fixed clamping block 20 from shaking. The bottom core-pulling inclined slider 9, the bottom core-pulling lifting slider 10 and the bottom side horizontal core-pulling slider 11 assist in molding the plastic part. The hole groove molding convex shaft 16 is used to synchronously mold the bottom hole groove structure of the plastic part. The bottom core-pulling lifting slider 10 can synchronously mold the bottom hole groove structure of the plastic part.
[0045] After the injection molding is completed, the mold is opened and the core-pulling mechanism 7 of the cavity slide is pulled out from the hole groove structure of the molded plastic part by sliding, so that the hole groove structure will not get stuck during the subsequent ejection and demolding. Then, the molded plastic part is fully ejected and demolded by the straight ejector rod 21 to ensure the integrity of the hole groove of the plastic part and improve the surface quality of the multi-structure of the plastic part.
[0046] After the injection mold is opened, the bottom core-pulling inclined slider 9 is moved obliquely downward along the track of the inclined slide rail 14 of the inclined slide connection seat 13 to adapt to the arc structure of the plastic part, so that the bottom core-pulling inclined slider 9 is separated from the bottom of the plastic part without collision and jamming. The slide connection base 15 slides with the inclined slide rail 14 to avoid separation.
[0047] During demoulding, the slider connecting rod 17 can drive the bottom core-pulling lifting slider 10 and the hole-groove forming convex shaft 16 to move downward.
[0048] During the injection molding process, a side hole molding space is formed between the side hole molding protrusion 18 and the bottom core-pulling lifting slider 10. The side hole molding protrusion 18 is used to synchronously mold the side hole groove structure of the plastic part without the need for secondary processing.
[0049] After the injection molding is completed, the ejector fixing plate 22 is moved upwards, driving the middle straight ejector 21 to move synchronously, and the molded plastic part is fully ejected and demolded by the middle straight ejector 21.
[0050] During injection molding, the molten material is injected into the mold cavity through the injection main plate 23 and the injection main hole 24 .
[0051] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described, or replace them with similar methods, without departing from the spirit of the present invention.
[0052] Although this document frequently uses terms such as armrest side panel molding lower die 1, armrest side panel molding upper die 2, injection molded part 3, armrest side panel molding lower insert 4, armrest side panel molding upper insert 5, armrest side panel upper molding part 6, cavity slider core-pulling mechanism 7, middle ejector 8, bottom core-pulling inclined slider 9, bottom core-pulling lifting slider 10, bottom side horizontal core-pulling slider 11, inclined slider connector 12, inclined slide connector 13, inclined slide rail 14, slide rail connecting base 15, hole-groove molding protrusion 16, slider connecting rod 17, side hole molding protrusion 18, upper auxiliary molding insert 19, middle fixing clamp 20, middle straight ejector 21, ejector fixing plate 22, injection molding main plate 23, injection molding main hole 24, etc., the possibility of using other terms is not excluded. These terms are used only to more conveniently describe and explain the essence of the present invention. Interpreting them as any additional restrictions is contrary to the spirit of the present invention.
Claims
1. A high-end passenger car central armrest side panel mold with a cavity slider core-pulling mechanism, comprising an armrest side panel forming lower mold (1) and an armrest side panel forming upper mold (2), characterized in that: An injection molded part (3) is provided above the armrest side panel molding upper mold (2), an armrest side panel molding lower inlay (4) is provided in the armrest side panel molding lower mold (1), an armrest side panel molding upper inlay (5) is provided in the armrest side panel molding upper mold (2), an armrest side panel molding upper inlay (5) is provided in the armrest side panel molding upper inlay (5), an armrest side panel upper molding part (6) is provided in the armrest side panel molding lower inlay (4), a cavity slider core-pulling mechanism (7) is provided in the armrest side panel molding lower inlay (4), the armrest side panel upper molding part (6) and the cavity slider core-pulling mechanism (7) are positioned correspondingly, a middle ejection part (8) is provided below the armrest side panel molding lower mold (1) and passes through the armrest side panel molding lower inlay (4), and the middle ejection part (8) and the cavity slider core-pulling mechanism (7) are arranged alternately.
2. The high-end passenger car central armrest side panel mold with a cavity slider core-pulling mechanism according to claim 1 is characterized in that: The cavity slider core pulling mechanism (7) comprises a bottom core pulling inclined slider (9), a bottom core pulling lifting slider (10) and a bottom side horizontal core pulling slider (11) arranged in the handrail side panel forming lower inlay (4); the bottom side horizontal core pulling slider (11) is in contact with the bottom core pulling lifting slider (10); and the bottom core pulling inclined slider (9) and the bottom core pulling lifting slider (10) are arranged in an alternating manner.
3. The high-end passenger car central armrest side panel mold with a cavity slider core-pulling mechanism according to claim 2, characterized in that: An inclined slider connector (12) is provided in the lower inlay seat (4) of the handrail side panel molding, and the bottom core-pulling inclined slider (9) is slidably matched with the inclined slider connector (12).
4. The high-end passenger car central armrest side panel mold with a cavity slider core-pulling mechanism according to claim 3, characterized in that: The inclined sliding block connecting member (12) includes an inclined sliding connection seat (13) arranged in the lower inlay seat (4) of the handrail side panel molding, an inclined slide rail (14) is provided in the inclined sliding connection seat (13), and a slide rail connection base (15) is provided at the bottom of the bottom core-pulling inclined sliding block (9), the cross section of the slide rail connection base (15) is in an inverted T shape, and the slide rail connection base (15) is slidably matched with the inclined slide rail (14).
5. The high-end passenger car central armrest side panel mold with a cavity slider core-pulling mechanism according to claim 4, characterized in that: The top of the bottom core-pulling lifting slider (10) is provided with a plurality of hole-groove forming convex shafts (16), and the bottom of the hole-groove forming convex shafts (16) is provided with a slider connecting rod (17).
6. The high-end passenger car central armrest side panel mold with a cavity slider core-pulling mechanism according to claim 5, characterized in that: The bottom horizontal core-pulling slider (11) is provided with a side hole forming protrusion (18) at one end close to the bottom core-pulling lifting slider (10), and a side hole forming space is formed between the side hole forming protrusion (18) and the bottom core-pulling lifting slider (10).
7. The high-end passenger car central armrest side panel mold with a cavity slider core-pulling mechanism according to claim 6, characterized in that: The armrest side panel upper molding part (6) comprises two upper auxiliary molding inserts (19) and a middle fixed clamping block (20) arranged in the armrest side panel molding upper inlay (5), and the middle fixed clamping block (20) is located between the two upper auxiliary molding inserts (19).
8. The high-end passenger car central armrest side panel mold with a cavity slider core-pulling mechanism according to claim 7, characterized in that: The middle ejector (8) comprises a plurality of middle straight ejector rods (21) arranged below the armrest side panel forming lower die (1), and the middle straight ejector rods (21) pass through the armrest side panel forming lower inlay (4).
9. The high-end passenger car central armrest side panel mold with a cavity slider core-pulling mechanism according to claim 8, characterized in that: A push rod fixing plate (22) is provided below the armrest side panel forming lower die (1), and the push rod fixing plate (22) is fixedly connected to the middle straight push rod (21).
10. The high-end passenger car central armrest side panel mold with a cavity slider core-pulling mechanism according to claim 9, characterized in that: The injection molded part (3) comprises an injection molding main plate (23) and an injection molding main hole (24) arranged above the armrest side panel molding upper mold (2).
Citation Information
Patent Citations
Continuous die for producing side plate of automobile armrest bracket
CN217726820U