Plastic mold with automatic unloading function

Abstract

The utility model belongs to the technical field of plastic mould, concretely relates to a plastic mould with automatic unloading function, including frame, the top fixed connection of frame has work table, the top fixed connection of work table has injection seat, the top fixed connection of injection seat has feed barrel, the right side mounting of injection seat has injection cylinder, the left side fixed connection of injection seat has material cylinder, the top fixed connection of work table has support frame, the right side fixed connection of support frame has fixed mould plate, the right side of fixed mould plate is equipped with replacement subassembly, the left side of support frame is equipped with the film combination subassembly for plastic product carries out film combination. This plastic mould with automatic unloading function links through film combination subassembly and ejection assembly, in the mould opening process, the top block on horizontal plate cooperates with moving plate top hole, and automatically promotes the top plate and the top rod to eject plastic product from fixed mould plate, and does not need manual intervention.

Description

Technical Field

[0001] This utility model relates to the field of plastic mold technology, specifically to a plastic mold with automatic unloading function. Background Technology

[0002] In the industrial production of plastic products, plastic molds are the core equipment for achieving efficient molding. Unloading (demolding) is a key step in the mold production process, and its degree of automation directly affects production efficiency, product quality, and production costs.

[0003] Currently, in existing technologies, traditional molds require operators to manually remove the molded plastic parts. This is especially time-consuming and labor-intensive for parts with complex structures or those produced in batches. Some molds use simple mechanical structures such as ejector pins and push rods to assist in unloading, but these methods require multiple drive devices and have poor mold versatility, making it difficult to adapt to the production of multiple varieties. Therefore, a plastic mold with automatic unloading function is proposed. Utility Model Content

[0004] The main objective of this invention is to provide a plastic mold with an automatic unloading function, which can solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention proposes a plastic mold with an automatic unloading function, comprising a frame, a worktable fixedly connected to the top of the frame, an injection unit fixedly connected to the top of the worktable, a feed hopper fixedly connected to the top of the injection unit, an injection cylinder mounted on the right side of the injection unit, a material cylinder fixedly connected to the left side of the injection unit, a support frame fixedly connected to the top of the worktable, a fixed template fixedly connected to the right side of the support frame, a replacement component provided on the right side of the fixed template, and a mold closing component for closing the plastic product on the left side of the support frame, the mold closing component comprising:

[0006] A mold closing cylinder, which is installed on the left side of the support frame;

[0007] The bracket is fixedly connected to the output end of the mold closing cylinder;

[0008] A mold clamping rod, which is fixedly connected to the inner wall of the bracket;

[0009] A movable plate is fixedly connected to the right side of the mold clamping rod, and the right side of the movable plate is provided with an ejection assembly for ejecting the molded plastic product.

[0010] A support rod, which is fixedly connected to the right side of the movable plate;

[0011] The movable template is fixedly connected to the right side of the support rod.

[0012] Preferably, a horizontal plate is fixedly connected to the middle of the support frame, and the mold clamping rod moves through the horizontal plate.

[0013] Preferably, the ejection assembly includes a top plate, which is attached to the left side of the movable plate. A top rod is fixedly connected to the right side of the top plate, and the top rod movably passes through the movable template. The movable template and the top plate are elastically connected by a spring. A top hole is opened on the left side of the movable plate, and a top block is fixedly connected to the right side of the horizontal plate. The top block matches the top hole.

[0014] Preferably, the replacement component includes a fixing block, which is fixedly connected to the right side of the fixed template. A mold is inserted into the left side of the fixed template, and the mold fits against the left side of the fixing block. A connecting block is hinged to the left side of the fixing block to facilitate the replacement of different plastic molds.

[0015] Preferably, a cooling system is installed in the middle of the frame to cool the plastic mold.

[0016] Preferably, the bottom of the worktable is provided with a moving groove, the bottom of the injection seat is fixedly connected to a connecting plate, and an electric push rod is installed on the right side of the worktable. The output end of the electric push rod is fixedly connected to the connecting plate, which affects the movement of the injection molding process.

[0017] Preferably, the fixed template has an injection port on its right side, which matches the material barrel for easy injection molding connection.

[0018] This utility model provides a plastic mold with an automatic unloading function. It has the following beneficial effects:

[0019] (1) The plastic mold with automatic unloading function uses the linkage between the mold closing assembly and the ejection assembly. During the mold opening process, the top block on the horizontal plate cooperates with the top hole of the moving plate to automatically push the top plate and the ejector rod to eject the plastic product from the moving template without manual intervention. At the same time, the ejector rods are evenly distributed to increase the contact area with the product, prevent deformation during ejection, and improve the product qualification rate and production efficiency.

[0020] (2) The replacement components in the plastic mold with automatic unloading function can be quickly replaced by simple opening and closing and snap-fit ​​operations to meet the production needs of different plastic products. The electric push rod drives the injection seat to slide in the moving groove, and the position of the injection seat can be adjusted to meet the docking with the injection port of different molds. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art 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 the structures shown in these drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the present invention. Figure 1 ;

[0023] Figure 2 This is a schematic diagram of the overall three-dimensional structure of the present invention. Figure 2 ;

[0024] Figure 3 This is a partial cross-sectional structural diagram of the present invention;

[0025] Figure 4 This utility model Figure 3 Enlarged structural diagram at point A in the middle;

[0026] Figure 5 This utility model Figure 3 Enlarged structural diagram at point B.

[0027] Explanation of icon numbers:

[0028] 1. Frame; 2. Workbench; 3. Injection seat; 4. Feed barrel; 5. Injection cylinder; 6. Material barrel; 7. Support frame; 8. Fixed template; 81. Injection port; 9. Replacement component; 91. Fixing block; 92. Mold; 93. Connecting block; 10. Horizontal plate; 11. Mold closing assembly; 111. Mold closing cylinder; 112. Bracket; 113. Mold closing rod; 114. Moving plate; 115. Support rod; 116. Moving template; 12. Ejection assembly; 121. Top plate; 122. Ejector rod; 123. Top hole; 124. Ejector block; 13. Cooling system; 14. Moving groove; 141. Connecting plate; 142. Electric actuator.

[0029] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] Please see Figure 1-5 This utility model proposes a plastic mold with automatic unloading function, including a frame 1, a workbench 2 fixedly connected to the top of the frame 1, an injection seat 3 fixedly connected to the top of the workbench 2, a feed tank 4 fixedly connected to the top of the injection seat 3, an injection cylinder 5 installed on the right side of the injection seat 3, a material cylinder 6 fixedly connected to the left side of the injection seat 3, a support frame 7 fixedly connected to the top of the workbench 2, a fixed template 8 fixedly connected to the right side of the support frame 7, an injection port 81 opened on the right side of the fixed template 8, the injection port 81 matching the material cylinder 6 for easy injection molding docking, a replacement component 9 provided on the right side of the fixed template 8, a mold closing component 11 for mold closing of the plastic mold provided on the left side of the support frame 7, and a cooling system 13 installed in the middle of the frame 1 to cool the plastic product.

[0032] In an embodiment of this utility model, for injection molding of plastic products, specifically, the mold clamping assembly 11 includes a mold clamping cylinder 111, a bracket 112, a mold clamping rod 113, a moving plate 114, a support rod 115, and a moving template 116. The mold clamping cylinder 111 is installed on the left side of the support frame 7. The bracket 112 is fixedly connected to the output end of the mold clamping cylinder 111. The mold clamping rod 113 is fixedly connected to the inner wall of the bracket 112. The moving plate 114 is fixedly connected to the right side of the mold clamping rod 113. An ejection assembly 12 is provided on the right side of the moving plate 114. The support rod 115 is fixedly connected to the right side of the moving plate 114. The moving template 116 is fixedly connected to the right side of the support rod 115.

[0033] Furthermore, a horizontal plate 10 is fixedly connected to the middle of the support frame 7, and a mold clamping rod 113 movably passes through the horizontal plate 10. The ejection assembly 12 includes a top plate 121, which is attached to the left side of the movable plate 114. A push rod 122 is fixedly connected to the right side of the top plate 121, and the push rod 122 movably passes through the movable template 116. The movable template 116 and the top plate 121 are elastically connected by a spring. A top hole 123 is opened on the left side of the movable plate 114, and a top block 124 is fixedly connected to the right side of the horizontal plate 10. The top block 124 matches the top hole 123.

[0034] Furthermore, the replacement component 9 includes a fixing block 91, which is fixedly connected to the right side of the fixed template 8. A mold 92 is inserted into the left side of the fixed template 8. The mold 92 fits against the left side of the fixing block 91. A connecting block 93 is hinged to the left side of the fixing block 91. The connecting block 93 is L-shaped and its bottom is snapped into the fixing block 91, which facilitates the replacement of different plastic molds.

[0035] Furthermore, a moving groove 14 is provided at the bottom of the worktable 2, a connecting plate 141 is fixedly connected to the bottom of the injection seat 3, and an electric push rod 142 is installed on the right side of the worktable 2. The output end of the electric push rod 142 is fixedly connected to the connecting plate 141, which affects the movement effect of the injection molding.

[0036] It should be noted that the above electrical components are all existing technology products. Those skilled in the art should select, install, and complete the circuit debugging work according to the needs of use to ensure that each electrical appliance can work normally. For example, the injection cylinder 5, the mold closing cylinder 111, and the electric push rod 142 are all connected to the mains power. The components are all general standard parts or components known to those skilled in the art. Their structure and principle can be learned by those skilled in the art through technical manuals or conventional experimental methods. No specific restrictions are made here.

[0037] In this utility model, when it is necessary to change plastic molds of different specifications, the operator rotates the connecting block 93 around the hinge point of the fixing block 91 to open it. At this time, the old mold 92 can be pulled out from the left side of the fixed template 8, and the new mold 92 that fits can be inserted into the left side of the fixed template 8. The bottom of the L-shaped connecting block 93 is then snapped back into the fixing block 91 to realize the quick replacement of the mold 92. After the preparation work is completed, the mold clamping cylinder 111 is started. The output end of the mold clamping cylinder 111 pushes the bracket 112 to move. The bracket 112 drives the mold clamping rod 113 fixed on its inner wall to move. The mold clamping rod 113 passes through the horizontal plate 10 and pushes the moving plate 114, the support rod 115 and the moving platen 116 to move towards the fixed platen 8 until the moving platen 116 and the fixed platen 8 are in contact, completing the mold closing action. At the same time, the output end of the electric push rod 142 drives the connecting plate 141 to slide in the moving groove 14 at the bottom of the worktable 2, adjusting the position of the injection seat 3 so that the injection port 81 is connected with the barrel 6. At this time, the injection cylinder 5 is started, so that the plastic material in the injection seat 3 passes through the barrel 6 and enters the injection port 81 from the barrel 6 to realize plastic injection. After the injection is completed, the coolant in the cooling system 13 circulates to cool the fixed platen 8 and the moving platen 116, accelerating the solidification and molding of the plastic material. After the plastic product cools and solidifies, the mold closing cylinder 111 reverses its direction, causing the moving mold plate 116 to retract and open the mold. During the retraction of the moving mold plate 116, the moving plate 114 moves accordingly. When the moving plate 114 moves to the right side of the horizontal plate 10, the top block 124 inserts into the top hole 123, pushing the top plate 121 to the left. This causes the top rod 122, which is fixed to its right side, to push the molded plastic product out of the moving mold plate 116, completing the automatic unloading action.

[0038] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A plastic mold with automatic unloading function, comprising a frame (1), characterized in that: A workbench (2) is fixedly connected to the top of the frame (1), an injection seat (3) is fixedly connected to the top of the workbench (2), a feed hopper (4) is fixedly connected to the top of the injection seat (3), an injection cylinder (5) is installed on the right side of the injection seat (3), a material cylinder (6) is fixedly connected to the left side of the injection seat (3), a support frame (7) is fixedly connected to the top of the workbench (2), a fixed template (8) is fixedly connected to the right side of the support frame (7), a replacement component (9) is provided on the right side of the fixed template (8), and a mold closing component (11) for mold closing of plastic products is provided on the left side of the support frame (7). The mold closing component (11) includes: A mold closing cylinder (111) is installed on the left side of the support frame (7); A bracket (112) is fixedly connected to the output end of the mold closing cylinder (111); A mold clamping rod (113) is fixedly connected to the inner wall of the bracket (112); A movable plate (114) is fixedly connected to the right side of the mold clamping rod (113), and an ejection assembly (12) for ejecting the molded plastic product is provided on the right side of the movable plate (114). A support rod (115) is fixedly connected to the right side of the movable plate (114); The movable template (116) is fixedly connected to the right side of the support rod (115).

2. A plastic mold with automatic unloading function according to claim 1, characterized in that: A horizontal plate (10) is fixedly connected to the middle of the support frame (7), and the mold clamping rod (113) moves through the horizontal plate (10).

3. A plastic mold with automatic unloading function according to claim 2, characterized in that: The ejection assembly (12) includes a top plate (121), which is attached to the left side of the movable plate (114). A top rod (122) is fixedly connected to the right side of the top plate (121). The top rod (122) movably passes through the movable template (116). The movable template (116) and the top plate (121) are elastically connected by a spring. A top hole (123) is provided on the left side of the movable plate (114). A top block (124) is fixedly connected to the right side of the horizontal plate (10). The top block (124) matches the top hole (123).

4. A plastic mold with automatic unloading function according to claim 1, characterized in that: The replacement component (9) includes a fixing block (91), which is fixedly connected to the right side of the fixed template (8). A mold (92) is inserted into the left side of the fixed template (8). The mold (92) is attached to the left side of the fixing block (91). A connecting block (93) is hinged to the left side of the fixing block (91).

5. A plastic mold with automatic unloading function according to claim 1, characterized in that: A cooling system (13) is installed in the middle of the frame (1).

6. A plastic mold with automatic unloading function according to claim 1, characterized in that: The bottom of the workbench (2) is provided with a moving groove (14), the bottom of the injection seat (3) is fixedly connected with a connecting plate (141), and an electric push rod (142) is installed on the right side of the workbench (2). The output end of the electric push rod (142) is fixedly connected to the connecting plate (141).

7. A plastic mold with automatic unloading function according to claim 1, characterized in that: An injection port (81) is provided on the right side of the template (8).

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