Demolding equipment for plaque injection molding

Abstract

The utility model relates to the technical field of demolding mechanisms, in particular to demolding equipment for injection molding of a decorative plate, which comprises a base, a demolding assembly, a lifting assembly, a mold assembly and an auxiliary assembly, the demolding assembly comprises demolding springs, a demolding plate, ejector rods and an ejector disc, the multiple demolding springs are fixedly connected with the base and located at the top of the base, the demolding plate is fixedly connected with the demolding springs and located at the tops of the demolding springs, and the multiple ejector rods are detachably connected with the demolding plate and located at the top of the demolding plate; the lifting assembly is connected with the base, the mold assembly is connected with the lifting assembly, and the auxiliary assembly is connected with the mold assembly, so that the problems that when the automatic demolding mechanism for the injection molding equipment is used, a product is demolded through a center ejector pin, the product is ejected out only through the center ejector pin, and the product cannot be demolded easily are solved. And the stress is not uniform when the product is demoulded, so that the product is easy to damage.

Description

Technical Field

[0001] The utility model relates to the technical field of demoulding mechanisms, in particular to a demoulding device for injection molding of decorative panels. Background Art

[0002] The existing mold demoulding uses a machine tool power device to lift the ejector pin. When the machine tool does not have a lifting power device, the mold cannot eject the product. The machine tool lifting power device has a certain rigid force to lift the product, so the ejector pin is prone to breakage when demoulding.

[0003] The existing announcement number CN213533641U discloses an automatic demoulding mechanism for injection molding equipment, including a lower mold, an upper mold is arranged on the top of the lower mold, a fixed plate is fixedly connected to the bottom of the lower mold and the top of the upper mold, a sliding hole is symmetrically opened on one side of the lower mold, the inner cavity of the sliding hole is slidably sleeved with a first connecting plate, a connecting hole is opened in the middle between the two sliding holes, the inner cavity of the connecting hole is slidably sleeved with a second connecting plate, the second connecting plate is fixedly connected to the first connecting plate, and an ejector is slidably inserted and sleeved at the bottom of the inner wall of the lower mold, and the bottom of the ejector is fixedly connected to the middle of the upper surface of the second connecting plate. The utility model utilizes the setting method of two first connecting plates. Under the action of the spring, the two first connecting plates can drive the ejector to eject the product through the second connecting plate, without the need for machine tool power, thereby improving its applicability, and the spring gives the first connecting plate an elastic force, which can reduce the destructive force of the ejector to eject the product.

[0004] However, when the automatic demoulding mechanism of the injection molding equipment is used, the product is demoulded by the ejector pin in the center. The product is ejected only by the ejector pin in the center. The force applied to the product during demoulding is uneven, which may easily lead to product damage. Utility Model Content

[0005] The utility model aims to provide a demoulding device for injection molding of decorative panels, which solves the problem that when the automatic demoulding mechanism of the injection molding equipment is in use, the product is demoulded by the central ejector pin, and the product is ejected only by the central ejector pin, resulting in uneven force on the product during demoulding, which can easily lead to product damage.

[0006] To achieve the above-mentioned purpose, the utility model provides a demolding device for injection molding of decorative panels, including a base, a demolding assembly, a lifting assembly, a mold assembly and an auxiliary assembly; the demolding assembly includes a demolding spring, a demolding plate, a push rod and a top plate, the number of the demolding springs is multiple, and the multiple demolding springs are respectively fixedly connected to the base and are respectively located at the top of the base, the demolding plate is fixedly connected to the demolding spring and is located at the top of the demolding spring, the number of the push rods is multiple, and the multiple push rods are respectively detachably connected to the demolding plate and are respectively located at the top of the demolding plate, and the top of each push rod is respectively fixedly connected with a top plate, the lifting assembly is connected to the base, the mold assembly is connected to the lifting assembly, and the auxiliary assembly is connected to the mold assembly.

[0007] Among them, the lifting assembly includes a lifting frame, a hydraulic telescopic rod, a lifting plate and a guide rod. The lifting frame is fixedly connected to the base and is located on the top of the base. The hydraulic telescopic rod is fixedly connected to the lifting frame and passes through the lifting frame. The lifting plate is fixedly connected to the hydraulic telescopic rod and is located at the bottom of the hydraulic telescopic rod. There are two guide rods, and the two guide rods are respectively fixedly connected to the lifting plate and respectively pass through the lifting frame.

[0008] Among them, the mold assembly includes a movable mold and a pressure rod, the movable mold is fixedly connected to the lifting plate and is located at the bottom of the lifting plate, and the number of the pressure rods is multiple, and the multiple pressure rods are respectively fixedly connected to the movable mold and are respectively located at the bottom of the movable mold.

[0009] Wherein, the mold assembly also includes a fixed mold, which is fixedly connected to the base and located below the movable mold.

[0010] Wherein, the auxiliary component includes a positioning bar and a positioning block, the number of the positioning bars is two, the two positioning bars are respectively fixedly connected to the movable mold and are respectively located above the fixed mold, and the number of the positioning blocks is multiple, the multiple positioning blocks are respectively fixedly connected to the movable mold and are respectively located above the fixed mold.

[0011] The utility model discloses a demoulding device for injection molding of decorative panels, wherein the base provides a supporting function for the device, the demoulding spring provides an elastic force for the demoulding plate, and the ejector rod provides a supporting function for the ejector plate. When the product is being injected, the movable mold is driven downward by the lifting assembly, and the demoulding plate is pressed downward by the downwardly moving pressure rod, and the demoulding spring is collapsed at the same time, so as to facilitate injection molding between the movable mold and the fixed mold. After the injection molding is completed, the lifting assembly drives the movable mold to be lifted, and the demoulding plate and the ejector rod are lifted up by the elastic force provided by the demoulding spring, and the product is ejected from the fixed mold by the upwardly moving ejector rod and the ejector plate. A plurality of ejector rods and the ejector plate are used in combination, so that the force on the bottom of the product is uniform, which solves the problem that when the automatic demoulding mechanism for injection molding equipment is used, the product is demoulded by the ejector pin in the center, and the product is ejected only by the ejector pin in the center, and the force on the product during demoulding is uneven, which is easy to cause damage to the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] 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.

[0013] Figure 1 It is a schematic diagram of the overall structure of a demoulding device for injection molding of a decorative plate according to the first embodiment of the utility model.

[0014] Figure 2 It is a structural schematic diagram of the demoulding component of the first embodiment of the utility model.

[0015] Figure 3 It is a structural schematic diagram of a lifting assembly and a mold assembly of the first embodiment of the utility model.

[0016] Figure 4 It is a structural schematic diagram of the auxiliary components of the second embodiment of the utility model.

[0017] In the figure: 101-base, 102-demolding spring, 103-demolding plate, 104-top rod, 105-top plate, 106-lifting frame, 107-hydraulic telescopic rod, 108-lifting plate, 109-guide rod, 110-movable mold, 111-pressure rod, 112-fixed mold, 201-positioning strip, 202-positioning block. DETAILED DESCRIPTION

[0018] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0019] The first embodiment of the present application is:

[0020] See also Figures 1 to 3 ,in, Figure 1 This is a schematic diagram of the overall structure of a demoulding device for injection molding of a decorative plate according to the first embodiment of the utility model. Figure 2 is a schematic structural diagram of a demoulding assembly according to a first embodiment of the utility model, Figure 3 It is a structural schematic diagram of the lifting component and the mold component of the first embodiment of the utility model. The utility model provides a demolding device for injection molding of decorative panels, including a base 101, a demolding component, a lifting component and a mold component. The demolding component includes a demolding spring 102, a demolding plate 103, a push rod 104 and a top plate 105. The lifting component includes a lifting frame 106, a hydraulic telescopic rod 107, a lifting plate 108 and a guide rod 109. The mold assembly includes a movable mold 110, a pressure rod 111 and a fixed mold 112; the above-mentioned scheme solves the problem that when the automatic demolding mechanism of the injection molding equipment is in use, the product is demolded by the center push pin, and the product is ejected only by the center push pin. The force of the product is uneven during demolding, which can easily cause product damage. It can be understood that the above-mentioned scheme can be used in the scenario of protecting the product when the injection molded product is demolded, and can also be used to solve the problem of positioning the mold matching.

[0021] According to the present specific embodiment, the number of the demoulding springs 102 is multiple, and the multiple demoulding springs 102 are respectively fixedly connected to the base 101 and are respectively located at the top of the base 101, the demoulding plate 103 is fixedly connected to the demoulding spring 102 and is located at the top of the demoulding spring 102, the number of the ejector pins 104 is multiple, and the multiple ejector pins 104 are respectively detachably connected to the demoulding plate 103 and are respectively located at the top of the demoulding plate 103, and each of the ejector pins 104 is respectively fixedly connected to a top plate 105 on the top, the lifting assembly is connected to the base 101, the mold assembly is connected to the lifting assembly, the auxiliary assembly is connected to the mold assembly, the base 101 provides support for the equipment, and the demoulding springs 102 The ejector plate 103 is provided with elastic force, and the ejector pin 104 provides support for the top plate 105. When the product is injected, the movable mold 110 is driven downward by the lifting assembly, and the ejector plate 103 is pressed downward by the downwardly moving pressure rod 111, and the ejector spring 102 is collapsed at the same time, so as to facilitate injection molding between the movable mold 110 and the fixed mold 112. After the injection molding is completed, the lifting assembly drives the movable mold 110 to be lifted, and the ejector plate 103 and the ejector pin 104 are lifted up by the elastic force provided by the ejector spring 102, and the product is ejected from the fixed mold 112 by the upwardly moving ejector pin 104 and the top plate 105. A plurality of ejector pins 104 and the top plate 105 are used together to make the force on the bottom of the product uniform.

[0022] Among them, the lifting frame 106 is fixedly connected to the base 101 and is located at the top of the base 101, the hydraulic telescopic rod 107 is fixedly connected to the lifting frame 106 and passes through the lifting frame 106, the lifting plate 108 is fixedly connected to the hydraulic telescopic rod 107 and is located at the bottom of the hydraulic telescopic rod 107, the number of the guide rods 109 is two, the two guide rods 109 are respectively fixedly connected to the lifting plates 108 and respectively pass through the lifting frame 106, the lifting frame 106 provides support for the lifting assembly, and the hydraulic telescopic rod 107 provides power for the lifting assembly. During injection molding, the hydraulic telescopic rod 107 is extended to push the lifting plate 108 to move downward along the guide rod 109, and at the same time drive the movable mold 110 to move downward and cooperate with the fixed mold 112, so as to facilitate the control of the movable mold 110.

[0023] Secondly, the movable mold 110 is fixedly connected to the lifting plate 108 and is located at the bottom of the lifting plate 108. There are multiple pressure rods 111, and the multiple pressure rods 111 are respectively fixedly connected to the movable mold 110 and are respectively located at the bottom of the movable mold 110. The movable mold 110 cooperates with the fixed mold 112 to facilitate injection molding of the product. The pressure rods 111 provide a guide for the movable mold 110 and are also used to control the stripping plate 103.

[0024] Again, the fixed mold 112 is fixedly connected to the base 101 and is located below the movable mold 110 . The fixed mold 112 and the movable mold 110 cooperate with each other to facilitate injection molding of the product.

[0025] The demoulding device for injection molding of decorative panels according to the present embodiment is used, wherein the base 101 provides support for the device, the demoulding spring 102 provides elastic force for the demoulding plate 103, and the ejector rod 104 provides support for the top plate 105. When the product is injected, the movable mold 110 is driven downward by the lifting assembly, and the demoulding plate 103 is pressed downward by the downwardly moving pressure rod 111, and the demoulding spring 102 is collapsed, so as to facilitate injection molding between the movable mold 110 and the fixed mold 112. After the injection molding is completed, the lifting assembly is lifted. The assembly drives the movable mold 110 to rise, and the demoulding plate 103 and the ejector pin 104 are lifted up by the elastic force provided by the demoulding spring 102, and the product is ejected from the fixed mold 112 by the upwardly moving ejector pin 104 and the ejector plate 105. The plurality of ejector pins 104 and the ejector plate 105 are used together to ensure uniform force on the bottom of the product, thereby solving the problem that when the automatic demoulding mechanism of the injection molding equipment is used, the product is demoulded by the ejector pin in the center, and the product is ejected only by the ejector pin in the center, resulting in uneven force on the product during demoulding, which can easily lead to product damage.

[0026] The second embodiment of the present application is:

[0027] Based on the first embodiment, please refer to Figure 4 ,in, Figure 4 It is a structural schematic diagram of the auxiliary components of the second embodiment of the utility model.

[0028] The demoulding device for injection molding of decorative panels in this embodiment further includes auxiliary components, which include positioning strips 201 and positioning blocks 202 .

[0029] According to this specific embodiment, there are two positioning bars 201, which are respectively fixedly connected to the movable mold 110 and respectively located above the fixed mold 112. There are multiple positioning blocks 202, which are respectively fixedly connected to the movable mold 110 and respectively located above the fixed mold 112. The positioning bars 201 and the positioning blocks 202 provide limiting effects for the movable mold 110. When the movable mold 110 and the fixed mold 112 are matched, the matching positions of the movable mold 110 and the fixed mold 112 are positioned by the positioning bars 201 and the positioning blocks 202.

[0030] When a demolding device for injection molding of a decorative panel is used according to the present embodiment, the movable mold 110 and the fixed mold 112 are matched, and the matching positions of the movable mold 110 and the fixed mold 112 are positioned by the positioning strip 201 and the positioning block 202 .

[0031] What is disclosed above is only one or more preferred embodiments of the present application, and 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 demoulding device for injection molding of decorative panels, comprising a base, characterized in that: It also includes demoulding components, lifting components, mold components and auxiliary components; The demoulding assembly includes a demoulding spring, a demoulding plate, a push rod and a top plate. There are multiple demoulding springs, and the multiple demoulding springs are fixedly connected to the base and located at the top of the base respectively. The demoulding plate is fixedly connected to the demoulding spring and located at the top of the demoulding spring. There are multiple push rods, and the multiple push rods are detachably connected to the demoulding plate and located at the top of the demoulding plate respectively. A top plate is fixedly connected to the top of each push rod. The lifting assembly is connected to the base, the mold assembly is connected to the lifting assembly, and the auxiliary assembly is connected to the mold assembly.

2. A demoulding device for injection molding of decorative panels according to claim 1, characterized in that: The lifting assembly includes a lifting frame, a hydraulic telescopic rod, a lifting plate and a guide rod. The lifting frame is fixedly connected to the base and is located on the top of the base. The hydraulic telescopic rod is fixedly connected to the lifting frame and passes through the lifting frame. The lifting plate is fixedly connected to the hydraulic telescopic rod and is located at the bottom of the hydraulic telescopic rod. There are two guide rods, which are respectively fixedly connected to the lifting plate and respectively pass through the lifting frame.

3. A demoulding device for injection molding of decorative panels as claimed in claim 2, characterized in that: The mold assembly includes a movable mold and a pressure rod. The movable mold is fixedly connected to the lifting plate and is located at the bottom of the lifting plate. There are multiple pressure rods, and the multiple pressure rods are respectively fixedly connected to the movable mold and are respectively located at the bottom of the movable mold.

4. A demoulding device for injection molding of decorative panels as claimed in claim 3, characterized in that: The mold assembly also includes a fixed mold, which is fixedly connected to the base and is located below the movable mold.

5. A demoulding device for injection molding of decorative panels as claimed in claim 4, characterized in that: The auxiliary component includes a positioning bar and a positioning block. There are two positioning bars, and the two positioning bars are respectively fixedly connected to the movable mold and are respectively located above the fixed mold. There are multiple positioning blocks, and the multiple positioning blocks are respectively fixedly connected to the movable mold and are respectively located above the fixed mold.

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