Double-ejector-pin ejection mechanism of automotive trim mold

Abstract

The utility model relates to a double ejector pin ejection mechanism of an automotive trim die, which comprises a lower die structure and an upper die structure, the lower die structure comprises a bottom die cavity, the bottom end of the bottom die cavity is sleeved with a sealing sleeve in a sliding manner, and a connecting table is arranged in the sealing sleeve. The utility model relates to the technical field of automotive trim production equipment. According to the double-ejector-pin ejection mechanism of the automobile interior mold, a sealing sleeve is pushed upwards to be matched with a bottom mold groove to compress air in the sealing sleeve, meanwhile, in the upward moving process of the sealing sleeve, an ejection pipe is pushed upwards to enable a plastic mold to move upwards, and after the plastic mold moves by a certain distance, a through hole completely enters the interior of the bottom mold groove; at the moment, compressed gas in the sealing sleeve can be exhausted through the through hole, and the gas is in a high-pressure state, so that the flow speed of the gas can be increased, the contact position of the plastic mold and the bottom mold groove is impacted, the bottom of the plastic mold can be integrally pushed, and the plastic mold can fall off conveniently.

Description

Technical Field

[0001] This utility model relates to the field of automotive interior production equipment technology, and in particular to a double ejector mechanism for automotive interior molds. Background Technology

[0002] Automotive interiors mainly refer to automotive products used for interior modifications of cars, covering all aspects of the car's interior, such as steering wheel covers, car seat cushions, car floor mats, car perfumes, car pendants, interior decorations, storage boxes, etc.

[0003] In the existing technology, since most automotive interior parts are strip-shaped, when ejecting the interior parts, the parts far from the ejector pins are easily stuck to the mold, resulting in difficulty in demolding. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a double ejector mechanism for automotive interior molds, so as to solve the technical problems mentioned in the background art.

[0005] The above-mentioned technical objective of this utility model is achieved through the following technical solution:

[0006] A double ejector mechanism for an automotive interior mold, comprising a lower mold structure and an upper mold structure;

[0007] The lower mold structure includes a bottom mold groove, a sealing sleeve is slidably fitted at the bottom end of the bottom mold groove, a connecting platform is provided inside the sealing sleeve, ejector tubes are provided on both sides of the top of the connecting platform, through holes are provided on both sides of the ejector tubes, an installation groove is provided at the center of the top of the connecting platform, and support springs are provided on both sides inside the installation groove, with the top of the support springs connected to the bottom mold groove.

[0008] The upper mold structure includes an upper frame, a support platform is fixedly installed inside the upper frame, a connecting shaft is slidably installed at the top of the support platform, a connecting rod bracket is installed on the outer peripheral wall of the connecting shaft, a sliding block is rotatably installed at the bottom of the connecting rod bracket, a fixed guide rail is slidably installed at the bottom of the sliding block, and a supporting mold is installed at the bottom of the fixed guide rail.

[0009] Furthermore, when the support mold is inserted into the bottom mold groove, the outer peripheral wall of the support mold fits into the groove of the bottom mold groove, and the bottom end of the support mold and the bottom mold groove together form a molding cavity.

[0010] Furthermore, the supporting mold includes a first mold and a second mold, which are slidably connected by a slide rail and slide groove structure, and the first mold and the second mold are respectively fixedly connected to the fixed guide rails on both sides.

[0011] Furthermore, a rotating disk is provided at the bottom of the upper frame, and the rotating disk is fixedly connected to the connecting shaft.

[0012] Furthermore, the bottom mold groove has an ejection hole that slides with the ejector tube, and during injection molding, the top of the ejector tube is flush with the bottom wall of the bottom mold groove.

[0013] Furthermore, the top outer peripheral wall of the bottom mold groove is provided with an outer protrusion for mounting the mold frame.

[0014] In summary, this utility model has at least one of the following beneficial technical effects:

[0015] 1. The double ejector mechanism of the automotive interior mold pushes the sealing sleeve upward, compressing the air inside the sealing sleeve in conjunction with the bottom mold groove. Simultaneously, as the sealing sleeve moves upward, the ejector tube pushes upward, causing the mold to move upward. After moving a certain distance, the through hole fully enters the interior of the bottom mold groove. At this time, the compressed gas inside the sealing sleeve will be discharged through the through hole. Since the gas is under high pressure, the gas flow rate will increase, impacting the contact point between the mold and the bottom mold groove, thus pushing the bottom of the mold as a whole to facilitate the mold's detachment.

[0016] 2. The double ejector mechanism of the automotive interior mold, through the segmented support mold, when the connecting shaft rotates, enables the first mold to move upward while the second mold moves downward, so that the first mold and the second mold are respectively demolded from the plastic mold, and the plastic mold stays inside the bottom mold groove. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the double ejector mechanism of an automotive interior mold according to the present invention.

[0019] Figure 2 This is a schematic diagram of the upper mold structure of the double ejector mechanism for an automotive interior mold according to this utility model.

[0020] Figure 3 This is a cross-sectional view of the lower mold structure of the double ejector mechanism for an automotive interior mold according to this utility model.

[0021] Figure 4This is a schematic diagram of the lower mold structure of the double ejector mechanism for an automotive interior mold according to this utility model.

[0022] Figure 5 This is a schematic diagram of the internal structure of the lower mold structure of the double ejector mechanism of an automotive interior mold according to the present invention.

[0023] In the diagram, 1. Lower mold structure; 101. Bottom mold groove; 102. Sealing sleeve; 103. Connecting platform; 104. Ejector tube; 105. Through hole; 106. Mounting groove; 107. Support spring; 108. Ejector hole; 109. Outer protrusion; 2. Upper mold structure; 201. Upper frame; 202. Support platform; 203. Connecting shaft; 204. Connecting rod bracket; 205. Sliding block; 206. Fixed guide rail; 207. Support mold; 2071. First mold; 2072. Second mold; 2073. Slide rail and slide groove structure; 208. Rotating disk; 3. Molding cavity. Detailed Implementation

[0024] The present invention will be further described in detail below with reference to the accompanying drawings.

[0025] Example:

[0026] Reference Figure 1 - Figure 5 The present invention discloses a double ejector mechanism for an automotive interior mold, comprising a lower mold structure 1 and an upper mold structure 2.

[0027] The lower mold structure 1 includes a bottom mold groove 101. A sealing sleeve 102 is slidably sleeved at the bottom end of the bottom mold groove 101. A connecting platform 103 is provided inside the sealing sleeve 102. Ejector tubes 104 are provided on both sides of the top of the connecting platform 103. Through holes 105 are provided on both sides of the ejector tubes 104. An installation groove 106 is provided at the center of the top of the connecting platform 103. Support springs 107 are provided on both sides inside the installation groove 106. The top of the support springs 107 is connected to the bottom mold groove 101.

[0028] The upper mold structure 2 includes an upper frame 201. A support platform 202 is fixedly installed inside the upper frame 201. A connecting shaft 203 is slidably installed at the top of the support platform 202. A connecting rod bracket 204 is installed on the outer peripheral wall of the connecting shaft 203. A sliding block 205 is rotatably installed at the bottom of the connecting rod bracket 204. A fixed guide rail 206 is slidably installed at the bottom of the sliding block 205. A supporting mold 207 is installed at the bottom of the fixed guide rail 206.

[0029] In this embodiment, during use, the support mold 207 is inserted into the bottom mold groove 101 to form a closed molding cavity 3. The upper frame 201 is pushed downward so that the bottom of the support platform 202 fixed inside the upper frame 201 comes into contact with the support mold 207. The raw material is injected into the molding cavity 3 through the injection holes on both sides of the top of the support mold 207. After the injection is completed and the mold is allowed to dry, the upper frame 201 is pulled upward so that the upper frame 201 moves upward and drives the support platform 202 to move upward until the connecting shaft 203 slides to the bottom of the support platform 202. At this time, the bottom plane of the support platform 202 does not contact the support mold 207. Then, by rotating the connecting shaft 203, the connecting rod bracket 204 moves left and right and pulls the support mold 207 to move, so that the plastic mold separates from the support mold 207. At this time, the plastic mold will stay inside the bottom mold groove 101.

[0030] When the sealing sleeve 102 is pushed upward, it compresses the air inside the sealing sleeve 102 in conjunction with the bottom mold groove 101. At the same time, as the sealing sleeve 102 moves upward, the ejector tube 104 is pushed upward, causing the mold to move upward. After moving a certain distance, the through hole 105 completely enters the interior of the bottom mold groove 101. At this time, the compressed gas inside the sealing sleeve 102 will be discharged through the through hole 105. Since the gas is under high pressure, the gas flow rate will increase and impact the contact point between the mold and the bottom mold groove 101, which can push the bottom of the mold as a whole, so as to facilitate the mold's release.

[0031] In a further preferred embodiment of this utility model, such as Figure 1-5 As shown, when the support mold 207 is inserted into the bottom mold groove 101, the outer peripheral wall of the support mold 207 fits into the groove of the bottom mold groove 101, and the bottom end of the support mold 207 and the bottom mold groove 101 together form a molding cavity 3.

[0032] In this embodiment, the molding cavity 3 formed by the support mold 207 and the bottom mold groove 101 is used for molding the plastic mold.

[0033] In a further preferred embodiment of this utility model, such as Figure 1-5 As shown, the support mold 207 includes a first mold 2071 and a second mold 2072. The first mold 2071 and the second mold 2072 are slidably connected by a slide rail and slide groove structure 2073, and the first mold 2071 and the second mold 2072 are respectively fixedly connected to the fixed guide rails 206 on both sides.

[0034] In this embodiment, the segmented support mold 207 allows the first mold 2071 to move upward while the second mold 2072 moves downward when the connecting shaft 203 rotates, so that the first mold 2071 and the second mold 2072 are respectively demolded from the plastic mold, and the plastic mold stays inside the bottom mold groove 101.

[0035] In a further preferred embodiment of this utility model, such as Figure 1-5 As shown, a rotating disk 208 is provided at the bottom of the upper frame 201, and the rotating disk 208 is fixedly connected to the connecting shaft 203.

[0036] In this embodiment, the rotating disk 208 is used to drive the connecting shaft 203 to rotate. When the mold is installed on the mold frame, the mold frame is equipped with a drive motor connected to the rotating disk 208 to drive the rotating disk 208 to rotate.

[0037] In a further preferred embodiment of this utility model, such as Figure 1-5 As shown, the bottom mold groove 101 has an ejection hole 108 that slides with the ejection tube 104, and during injection molding, the top end of the ejection tube 104 is flush with the bottom wall of the bottom mold groove 101.

[0038] In this embodiment, the ejection hole 108 is used to position the ejection tube 104 so that the mold can be ejected through the ejection tube 104.

[0039] In a further preferred embodiment of this utility model, such as Figure 1-5 As shown, the top outer peripheral wall of the bottom mold groove 101 is provided with an outer protrusion 109 for mounting the mold frame.

[0040] In this embodiment, the outer protrusion 109 is used to install the mold frame, and a hydraulic telescopic rod is provided on the side wall of the outer protrusion 109 after the mold frame is installed. The hydraulic cylinder of the hydraulic telescopic rod is fixedly connected to the outer protrusion 109, and the telescopic end of the hydraulic telescopic rod is fixedly connected to the sealing sleeve 102 to control the relative movement of the sealing sleeve 102 and the bottom mold groove 101.

[0041] The embodiments described herein are preferred embodiments of this utility model and are not intended to limit the scope of protection of this utility model. Therefore, all equivalent changes made to the structure, shape, and principle of this utility model should be included within the scope of protection of this utility model.

Claims

1. A double-ejector ejection mechanism for an automotive interior mold, characterized in that, It includes a lower mold structure (1) and an upper mold structure (2); The lower mold structure (1) includes a bottom mold groove (101), a sealing sleeve (102) is slidably sleeved at the bottom end of the bottom mold groove (101), a connecting platform (103) is provided inside the sealing sleeve (102), an ejector tube (104) is provided on both sides of the top of the connecting platform (103), a through hole (105) is provided on both sides of the ejector tube (104), an installation groove (106) is provided at the top center of the connecting platform (103), a support spring (107) is provided on both sides inside the installation groove (106), and the top of the support spring (107) is connected to the bottom mold groove (101). The upper mold structure (2) includes an upper frame (201), a support platform (202) is fixedly installed inside the upper frame (201), a connecting shaft (203) is slidably installed inside the support platform (202), a connecting rod bracket (204) is installed on the outer peripheral wall of the connecting shaft (203), a sliding block (205) is rotatably installed at the bottom end of the connecting rod bracket (204), a fixed guide rail (206) is slidably installed at the bottom end of the sliding block (205), and a supporting mold (207) is installed at the bottom end of the fixed guide rail (206).

2. The double ejector mechanism for an automotive interior mold according to claim 1, characterized in that, When the support mold (207) is inserted into the bottom mold groove (101), the outer peripheral wall of the support mold (207) fits into the groove of the bottom mold groove (101), and the bottom end of the support mold (207) and the bottom mold groove (101) together form a molding cavity (3).

3. The double ejector mechanism for an automotive interior mold according to claim 2, characterized in that, The support mold (207) includes a first mold (2071) and a second mold (2072). The first mold (2071) and the second mold (2072) are slidably connected by a slide rail and slide groove structure (2073), and the first mold (2071) and the second mold (2072) are respectively fixedly connected to the fixed guide rails (206) on both sides.

4. The double ejector mechanism for an automotive interior mold according to claim 3, characterized in that, The bottom end of the upper frame (201) is provided with a rotating disk (208), and the rotating disk (208) is fixedly connected to the connecting shaft (203).

5. The double ejector mechanism for an automotive interior mold according to claim 4, characterized in that, The bottom mold groove (101) has an ejection hole (108) that slides with the ejector tube (104) during injection molding, and the top of the ejector tube (104) is flush with the bottom wall of the bottom mold groove (101) during injection molding.

6. The double ejector mechanism for an automotive interior mold according to claim 5, characterized in that, The top outer peripheral wall of the bottom mold groove (101) is provided with an outer protrusion (109) for mounting the mold frame.

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