Small-angle cylindrical structure demolding mechanism

Abstract

The utility model relates to the technical field of demolding mechanisms, in particular to a small-angle cylindrical structure demolding mechanism which comprises a rear mold, an ejector rod, a type position ejector block, an inclination structure glue position insert and a first spring. The rear mold and the top mold are matched for injection molding to produce an injection molding part, after injection molding is completed, the top mold is controlled to leave the rear mold through a controller of the injection molding machine, at the moment, the profile top block moves in the demolding direction and leaves the rear mold through an ejector rod under the action of ejection force of the injection molding machine, and the slope structure glue position insert moves in the demolding direction under the action of elastic force of a first spring while the profile top block slides; the inclined structure rubber position insert moves downwards in the axial direction of the cylindrical structure, so that the cylindrical structure is separated from the inclined structure rubber position insert, the cylindrical structure at the position is separated, the forming and demolding effects are achieved, injection molding parts are conveniently demolded and ejected out, and the problem that normal ejection cannot be achieved when an existing installation cylindrical direction and a demolding direction form a small angle is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of demoulding mechanisms, in particular to a demoulding mechanism with a small-angle cylindrical structure. Background Art

[0002] Injection molding machine, also known as injection molding machine or injection machine, is the main molding equipment that uses plastic molding molds to make plastic products of various shapes from thermoplastics or thermosetting plastics. The injection molding machine can heat the plastic and apply high pressure to the molten plastic to make it eject and fill the injection mold.

[0003] An injection mold is a tool that gives plastic products a complete structure and precise dimensions. Injection molding through an injection mold is a processing method used in mass production of certain parts with complex shapes. During processing, the heated and melted plastic is injected into the mold cavity by an injection molding machine under high pressure, and a molded product is obtained after cooling and solidification. The molded workpiece will remain inside the fixed mold, and a quick demolding mechanism is required to conveniently demold the molded mold.

[0004] The cylindrical structure on conventional injection molded parts is consistent with the demoulding direction of the injection mold, that is, the parts can be demoulded and ejected along the demoulding direction after normal mold opening. However, there are some special parts assembly requirements. When the direction of the mounting cylinder needs to be designed to present a small angle with the main demoulding direction of the injection molded parts, the traditional demoulding method of ejecting the workpiece along the demoulding direction cannot be demoulded normally. If demoulding is forced, it will cause damage to the product or mold.

[0005] Therefore, it is urgent to design a small-angle cylindrical structure demoulding mechanism to solve the problem that the ejection cannot be performed normally when the installation direction of the cylindrical structure and the demoulding direction present a small angle. Utility Model Content

[0006] The utility model aims to provide a small-angle cylindrical structure demoulding mechanism, aiming to solve the problem that the conventional installation cylindrical direction and the demoulding direction present a small angle and cannot be ejected normally.

[0007] To achieve the above-mentioned purpose, the utility model provides a small-angle cylindrical structure demolding mechanism, including a rear mold, a push rod, a mold top block, a sloped structural glue insert and a first spring; the mold top block is arranged at the top of the rear mold, the sloped structural glue insert is arranged between the rear mold and the mold top block, the first spring is arranged between the mold top block and the sloped structural glue insert, the push rod is fixedly connected to the mold top block and passes through the rear mold.

[0008] Wherein, the rear mold includes a rear mold base and a rear mold body, the rear mold body is arranged at the bottom of the mold top block, and the rear mold base is fixedly connected to the rear mold body and is located at the bottom of the rear mold body.

[0009] Wherein, the rear mold base has a through groove, and the through groove is located at one side of the rear mold base; the rear mold body has a fixing hole, and the fixing hole is located at one side of the rear mold body close to the rear mold base.

[0010] Wherein, the molding top block has connecting holes, and the connecting holes are located on both sides of the molding top block.

[0011] Wherein, the small-angle cylindrical structure demoulding mechanism also includes a buffer component, and the buffer component is arranged on one side of the rear mold base.

[0012] Wherein, the buffer assembly includes a pressure plate, a connecting head and a buffer rod, the connecting head is threadedly connected to the rear mold base and is located on the side of the rear mold base close to the rear mold body, the buffer rod is fixedly connected to the connecting head and is located on the side of the connecting head away from the rear mold base, and the pressure plate is fixedly connected to the buffer rod and is located on the side of the buffer rod away from the connecting head.

[0013] Wherein, the buffer rod includes a damping rod and a second spring, the damping rod is fixedly connected to the connecting head and the pressure plate, and is located between the pressure plate and the connecting head, and the second spring is sleeved on the outside of the damping rod.

[0014] Wherein, the buffer assembly also includes a rubber pad and a reinforcing rib, the rubber pad is fixedly connected to the pressure plate and is located on the side of the pressure plate away from the damping rod, and the reinforcing rib is fixedly connected to the pressure plate and is located on the side of the pressure plate away from the rubber pad.

[0015] The utility model discloses a small-angle cylindrical structure demoulding mechanism, comprising a rear mold, a push rod, a mold top block, an inclined structural glue insert and a first spring; the mold top block is arranged at the top of the rear mold, the inclined structural glue insert is arranged between the rear mold and the mold top block, the first spring is arranged between the mold top block and the inclined structural glue insert, the push rod is fixedly connected to the mold top block and passes through the rear mold;

[0016] The rear mold cooperates with the top mold to produce injection molded parts. After the injection molding is completed, the top mold is controlled to leave the rear mold by the controller of the injection molding machine. At this time, the mold top block moves along the demoulding direction and leaves the rear mold under the action of the ejection force of the injection molding machine through the ejector rod. While the mold top block slides, the slope structure glue position insert moves downward along the axial direction of the cylindrical structure under the elastic force of the first spring, so that the cylindrical structure and the slope structure glue position insert are separated, so that the cylindrical structure here is detached, thereby achieving the molding demoulding effect, so that the injection molded parts can be demoulded and ejected, solving the problem that the existing installation cylindrical direction and the demoulding direction are not able to be ejected normally when a small angle is formed. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0018] Figure 1 It is a structural schematic diagram of a small-angle cylindrical structure demoulding mechanism of the first embodiment of the utility model.

[0019] Figure 2 It is a longitudinal cross-sectional view of a small-angle cylindrical structure demoulding mechanism along the slope structure glue position insert of the first embodiment of the utility model.

[0020] Figure 3 It is a structural schematic diagram of a small-angle cylindrical structure demoulding mechanism of the second embodiment of the utility model.

[0021] In the figure: 101- ejector rod, 102- mold ejector block, 103- slope structure rubber insert, 104- first spring, 105- rear mold base, 106- rear mold body, 107- through groove, 108- fixing hole, 109- connecting hole, 201- pressure plate, 202- connecting head, 203- damping rod, 204- second spring, 205- rubber pad, 206- reinforcing rib. DETAILED DESCRIPTION

[0022] The first embodiment of the present application is:

[0023] See also Figure 1-Figure 2 , Figure 1 It is a structural schematic diagram of the utility model. Figure 2 It is a longitudinal sectional view of the utility model along the slope structure glue position insert, including a rear mold, a push rod 101, a mold top block 102, a slope structure glue position insert 103 and a first spring 104; the rear mold includes a rear mold base 105 and a rear mold body 106, the rear mold base 105 has a through groove 107, the rear mold body 106 has a fixing hole 108, and the mold top block 102 has a connecting hole 109. The above scheme solves the problem that the existing installation cylinder direction cannot be ejected normally when a small angle is formed between the demolding direction. It can be understood that the above scheme can be used in the injection molding demolding scenario.

[0024] According to this specific embodiment, the mold top block 102 is arranged at the top of the rear mold, the slope structure glue position insert 103 is arranged between the rear mold and the mold top block 102, the first spring 104 is arranged between the mold top block 102 and the slope structure glue position insert 103, the ejector rod 101 is fixedly connected to the mold top block 102 and passes through the rear mold, the rear mold and the ejector mold cooperate to produce injection molded parts by injection molding, and after the injection molding is completed, the ejector mold is controlled by the controller of the injection molding machine to leave the rear mold, and the mold top block 102 passes through the mold top block 102. Under the action of the ejection force of the injection molding machine, the ejector rod 101 moves along the demoulding direction and leaves the rear mold. While the mold ejector block 102 slides, the sloped structural glue insert 103 moves downward along the axial direction of the cylindrical structure under the elastic force of the first spring 104, so that the cylindrical structure and the sloped structural glue insert 103 are separated, thereby detaching the cylindrical structure here, thereby achieving the molding demoulding effect, so that the injection molded parts can be demoulded and ejected, solving the problem that the conventional installation cylindrical direction and the demoulding direction are not able to be ejected normally when a small angle is formed.

[0025] Among them, the rear mold body 106 is arranged at the bottom of the mold top block 102, the rear mold base 105 is fixedly connected to the rear mold body 106 and is located at the bottom of the rear mold body 106, and the rear mold base 105 is fixed to the injection molding machine by bolts to provide installation and support conditions for the rear mold body 106. The rear mold body 106 is used in conjunction with the top mold to injection mold workpieces and provide conditions for the push rod 101 and the mold top block 102.

[0026] Secondly, the through groove 107 is located on one side of the rear mold base 105, and the fixing hole 108 is located on the side of the rear mold body 106 close to the rear mold base 105. The through groove 107 is used for bolts to be inserted into and connected to the fixing hole 108, thereby achieving the connection and fixation of the rear mold body 106 and the rear mold base 105.

[0027] At the same time, the connection holes 109 are located on both sides of the molding top block 102. The setting of the connection holes 109 allows the molding top block 102 to be fixed to the top of the push rod 101 by bolts, so that the push rod 101 can reset the molding top block 102.

[0028] During injection molding, the user drives the bolt through the through slot 107 and threadedly connects it with the fixing hole 108 of the rear mold body 106, connects and fixes the rear mold base 105 and the rear mold body 106, and then the injection molding operation can be carried out. The user controls the top plate to press down the rear mold body 106 for injection molding through the controller of the injection molding machine. After the injection molding is completed, the top mold is controlled to leave the rear mold body 106 through the controller of the injection molding machine again. The mold top block 102 moves along the demoulding direction and leaves the rear mold body 106 under the action of the ejection force of the injection molding machine through the ejector rod 101. While the mold top block 102 slides, the slope structure glue position insert 103 moves downward along the axial direction of the cylindrical structure under the elastic force of the first spring 104, so that the cylindrical structure and the slope structure glue position insert 103 are separated, thereby separating the cylindrical structure, achieving the molding demoulding effect, so that the part can be demoulded and ejected, solving the problem that the existing installation cylindrical direction and the demoulding direction cannot be ejected normally when a small angle is presented.

[0029] The second embodiment of the present application is:

[0030] Based on the first embodiment, please refer to Figure 3 , Figure 3 It is a structural schematic diagram of the utility model. The small-angle cylindrical structure demoulding mechanism described in this embodiment also includes a buffer component, which includes a pressure plate 201, a connecting head 202 and a buffer rod. The buffer rod includes a damping rod 203 and a second spring 204. The buffer component also includes a rubber pad 205 and a reinforcing rib 206.

[0031] According to this specific embodiment, the buffer component is arranged on one side of the rear mold base 105, and the buffer component is arranged to buffer the pressure of the top mold pressing down to avoid the top mold pressure being too large during injection molding and damaging the rear mold body 106.

[0032] Among them, the connecting head 202 is threadedly connected to the rear mold base 105 and is located on the side of the rear mold base 105 close to the rear mold body 106. The buffer rod is fixedly connected to the connecting head 202 and is located on the side of the connecting head 202 away from the rear mold base 105. The pressure plate 201 is fixedly connected to the buffer rod and is located on the side of the buffer rod away from the connecting head 202. The setting of the connecting head 202 facilitates the connection and fixation of the buffer rod with the rear mold base 105. When the top mold is pressed down, it is first pressed on the pressure plate 201, so that the pressure plate 201 moves down and compresses the buffer rod. At this time, the pressure of the top mold is buffered by the compression of the buffer rod to avoid excessive pressure of the top mold during injection molding and damage to the rear mold body 106.

[0033] Secondly, the damping rod 203 is fixedly connected to the connecting head 202 and the pressure plate 201, and is located between the pressure plate 201 and the connecting head 202. The second spring 204 is sleeved on the outside of the damping rod 203. The pressure plate 201 compresses the damping rod 203, and the damping rod 203 contracts and squeezes the buffering medium therein, thereby achieving the purpose of buffering the top plate pressure. When the damping rod 203 is compressed, the second spring 204 is compressed together, and through its elastic properties, the buffering effect of the damping rod 203 is further enhanced.

[0034] In addition, the rubber pad 205 is fixedly connected to the pressure plate 201 and is located on the side of the pressure plate 201 away from the damping rod 203. The reinforcing rib 206 is fixedly connected to the pressure plate 201 and is located on the side of the pressure plate 201 away from the rubber pad 205. The reinforcing rib 206 is provided to strengthen the strength of the pressure plate 201 to prevent the top mold from crushing the pressure plate 201 and improve practicality. The rubber pad 205 is made of soft rubber and has good compression and impact resistance. It is used to provide buffering protection for the pressure plate 201.

[0035] When the buffer assembly is in use, the user uses the connecting head 202 to fix the damping rod 203 on the rear mold base 105. When the top mold is pressed down for injection molding, the pressure plate 201 contacts the top mold before the rear mold base 105, so that the pressure plate 201 transfers part of the pressure of the top mold to the damping rod 203 and the second spring 204. Through the compression of the damping rod 203 and the second spring 204, this part of the pressure is buffered and consumed, thereby achieving the purpose of buffering the top mold pressure, thereby avoiding the phenomenon of excessive top mold pressure damaging the rear mold body 106.

[0036] The utility model discloses a small-angle cylindrical structure demoulding mechanism, comprising a rear mold, a push rod 101, a mold top block 102, a slope structure glue insert 103 and a first spring 104; the mold top block 102 is arranged at the top of the rear mold, the slope structure glue insert 103 is arranged between the rear mold and the mold top block 102, the first spring 104 is arranged between the mold top block 102 and the slope structure glue insert 103, the push rod 101 is fixedly connected to the mold top block 102, and passes through the rear mold.

[0037] The rear mold cooperates with the top mold to produce injection molded parts. After the injection molding is completed, the top mold is controlled to leave the rear mold by the controller of the injection molding machine. The mold top block 102 moves along the demoulding direction and leaves the rear mold under the action of the ejection force of the injection molding machine through the ejector rod 101. While the mold top block 102 slides, the slope structure glue insert 103 moves downward along the axial direction of the cylindrical structure under the elastic force of the first spring 104, so that the cylindrical structure and the slope structure glue insert 103 are separated, thereby separating the cylindrical structure here, and then achieving the molding demoulding effect, so that the injection molded parts can be demoulded and ejected, solving the problem that the existing installation cylindrical direction and the demoulding direction are not able to be ejected normally when a small angle is formed.

[0038] What is disclosed above is only a preferred embodiment of a small-angle cylindrical structure demolding mechanism of the present application, and it cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A small-angle cylindrical structure demoulding mechanism, characterized in that: It includes a rear mold, a push rod, a mold top block, an inclined structural glue insert and a first spring; The mold top block is arranged at the top of the rear mold, the slope structure glue insert is arranged between the rear mold and the mold top block, the first spring is arranged between the mold top block and the slope structure glue insert, and the ejector rod is fixedly connected to the mold top block and passes through the rear mold.

2. A small-angle cylindrical structure demoulding mechanism as claimed in claim 1, characterized in that: The rear mold comprises a rear mold base and a rear mold body. The rear mold body is arranged at the bottom of the mold top block. The rear mold base is fixedly connected to the rear mold body and is located at the bottom of the rear mold body.

3. A small-angle cylindrical structure demoulding mechanism as claimed in claim 2, characterized in that: The rear mold base has a through slot, which is located at one side of the rear mold base. The rear mold body has a fixing hole, which is located at one side of the rear mold body close to the rear mold base.

4. A small-angle cylindrical structure demoulding mechanism as claimed in claim 3, characterized in that: The molding top block has connecting holes, and the connecting holes are located on both sides of the molding top block.

5. A small-angle cylindrical structure demoulding mechanism as claimed in claim 4, characterized in that: The small-angle cylindrical structure demoulding mechanism also includes a buffer component, and the buffer component is arranged on one side of the rear mold base.

6. A small-angle cylindrical structure demoulding mechanism as claimed in claim 5, characterized in that: The buffer assembly includes a pressure plate, a connecting head and a buffer rod. The connecting head is threadedly connected to the rear mold base and is located on the side of the rear mold base close to the rear mold body. The buffer rod is fixedly connected to the connecting head and is located on the side of the connecting head away from the rear mold base. The pressure plate is fixedly connected to the buffer rod and is located on the side of the buffer rod away from the connecting head.

7. A small-angle cylindrical structure demoulding mechanism as claimed in claim 6, characterized in that: The buffer rod includes a damping rod and a second spring. The damping rod is fixedly connected to the connecting head and the pressure plate and is located between the pressure plate and the connecting head. The second spring is sleeved on the outside of the damping rod.

8. A small-angle cylindrical structure demoulding mechanism as claimed in claim 7, characterized in that: The buffer assembly also includes a rubber pad and a reinforcing rib. The rubber pad is fixedly connected to the pressure plate and is located on the side of the pressure plate away from the damping rod. The reinforcing rib is fixedly connected to the pressure plate and is located on the side of the pressure plate away from the rubber pad.

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