Improved plastic preparation mold for plastic shell

By setting up separation auxiliary mechanisms, workpiece rolling mechanisms and material filling mechanisms in the plastic preparation mold, the problems of inconvenience in mold separation, difficulty in ejecting workpieces and waste of materials are solved, and a more efficient processing process and better products are achieved.

CN120190978AInactive Publication Date: 2025-06-24SIYANG JINDACHI NEW MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202510263392.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-03-06
Publication Date
2025-06-24
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing plastic preparation molds for plastic shells are inconvenient to separate during use, difficult to eject the workpiece, and easily cause waste of materials during processing.

Method used

An improved mold was designed, and by setting up separation auxiliary mechanism, workpiece rolling mechanism and material filling mechanism, convenient separation of molds, smooth ejection of workpieces and effective utilization of materials were achieved.

Benefits of technology

This improved mold can be easily separated and workpiece ejected during use, reducing material waste, improving processing efficiency and product quality.

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Abstract

The invention provides an improved plastic preparation mold for a plastic shell, the improved plastic preparation mold comprises a female mold, a male mold, an injection hole, a connecting block, a placement groove, a sleeving fixed locking rod structure, an auxiliary ejection separation block structure, a supportable auxiliary part taking seat structure and an injectable auxiliary collection hopper structure, and the male mold is arranged above the female mold; a material injection hole is formed in the middle of the interior of the male die; connecting blocks are fixed to the tops of the left side and the right side of the female die through bolts correspondingly. A containing groove is formed in the upper end of the male die. The female die, the supporting base, the fixing cavity, a second spring, a pushing block, a fixing rod and an auxiliary ejection base are arranged in a matched mode, the pushing block is conveniently pushed to move through the second spring in the using process, then the auxiliary ejection base is driven to move upwards, a workpiece is pushed to move in the moving process of the auxiliary ejection base, and the workpiece is conveniently ejected. And the auxiliary ejection work of the workpiece in the preparation process is facilitated.
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Description

Technical Field

[0001] The present invention belongs to the technical field of mold processing equipment, and particularly relates to an improved plastic preparation mold for plastic shells. Background Art

[0002] A plastic mold is a short name for a combined mold used for compression molding, extrusion molding, injection molding, blow molding, and low-foam molding. Coordinated changes in the convex and concave molds and the auxiliary molding system of the mold can process a series of plastic parts with different shapes and sizes. Existing plastic preparation molds for plastic shells include a concave mold unit, an upper module, an injection port, a demolding groove, a fixed connection plate, installation screws, a pressing plate, a pressing shaft, a pressing arm, a clamping block, a clamping groove, an upper module pin, an upper module groove, an upper module pin hole, a convex mold unit, a lower module, an installation groove, a convex block installation groove, a lower module pin, a lower module pin hole, a mold removal groove, a fixed block, a convex block fixed pin, a convex block, a convex block pin hole, and a convex block fixed pin hole. This kind of plastic preparation mold for plastic shells is inconvenient to separate during use, inconvenient to eject workpieces during use, and prone to material waste during processing. Summary of the Invention

[0003] In order to solve the above technical problems, the present invention provides an improved plastic preparation mold for plastic shells. By setting a separation auxiliary mechanism during use, it is convenient to assist the mold separation work during processing, and by setting a workpiece ejection mechanism during use, it is convenient to eject workpieces during processing. In addition, the material injection mechanism is improved during use to prevent material waste during processing.

[0004] An improved plastic preparation mold for plastic shells, including a concave mold, wherein a convex mold is arranged above the concave mold; a material injection hole is opened in the middle position inside the convex mold; connection blocks are respectively bolt-fixed to the top parts on the left and right sides of the concave mold; a placement groove is opened at the upper end of the convex mold, and it is characterized in that socket-fixable locking rod structures are respectively arranged on the left and right sides at the upper end of the concave mold; separation block structures that can assist in pushing are connected to the left and right sides at the bottom end of the concave mold; a workpiece taking support structure that can support and assist is fixed at the middle position of the bottom end of the concave mold; a material injection auxiliary collecting hopper structure is arranged inside the upper end of the material injection hole; the socket-fixable locking rod structure includes a fixed ring, a rotating rod penetrates through the middle position inside the fixed ring; a connecting rod is bolt-fixed to the middle position on the right side of the rotating rod; the bottom end of the connecting rod is bolt-fixed to the middle position at the upper end of a socket frame; a tightening bolt is threadedly penetrated through the middle position inside the bottom end of the socket frame.

[0005] Preferably, the structure capable of assisting in pushing the separation block includes a fixed block, and a fixed groove is formed on the left side of the upper end of the fixed block; a first spring is fixed at the bottom end inside the fixed groove; the upper end of the first spring is fixed at the bottom end of a sliding block; a push rod is fixed at the middle position of the upper end of the sliding block.

[0006] Preferably, the structure capable of supporting and assisting in picking up the workpiece seat includes a support seat, and fixed cavities are sequentially formed inside the support seat from left to right; second springs are respectively fixed at the bottom ends inside the fixed cavities; the upper ends of the second springs are respectively fixed at the bottom ends of push blocks; fixing rods penetrate through the support seat from left to right and through the middle position inside the push blocks respectively; an auxiliary ejector seat is bolted at the middle position of the upper end of the push block.

[0007] Preferably, the structure capable of assisting in collecting the injection material hopper includes an insertion connecting pipe, and the upper end of the insertion connecting pipe is bolted to the bottom end of the injection hopper; a connecting ring is bolted to the upper part of the outer wall of the injection hopper; a collection box is bolted to the outer wall of the connecting ring.

[0008] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0009] 1. In the present invention, the cooperation of the female die, male die, fixed block, fixed groove, first spring, sliding block and push rod is beneficial to push the sliding block through the first spring during use, and then push the bottom end of the male die with the upper end of the push rod, which is convenient for assisting the separation work of the female die and male die during the preparation process.

[0010] 2. In the present invention, the cooperation of the female die, support seat, fixed cavity, second spring, push block, fixing rod and auxiliary ejector seat is beneficial to push the push block to move through the second spring during use, and then drive the auxiliary ejector seat to move upward. During the movement of the auxiliary ejector seat, the workpiece is pushed to move, which is convenient for assisting the workpiece ejection work during the preparation process.

[0011] 3. In the present invention, the cooperation of the male die, injection hole, placement groove, insertion connecting pipe, injection hopper, connecting ring and collection box is beneficial to perform the material injection work through the injection hopper during use, and collect the material through the collection box during the injection process, preventing material overflow or falling outside during the preparation process, resulting in material waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a schematic structural diagram of the present invention.

[0013] Figure 2 is a schematic structural diagram of the structure capable of sleeving and fixing the locking rod of the present invention.

[0014] Figure 3 It is a schematic structural diagram of the structure that can assist in pushing the separation block of the present invention.

[0015] Figure 4 It is a schematic structural diagram of the structure that can support the auxiliary picking seat of the present invention.

[0016] Figure 5 It is a schematic structural diagram of the structure that can assist in collecting the injection material hopper of the present invention.

[0017] In the figure:

[0018] 1, female die; 2, male die; 3, injection hole; 4, connecting block; 5, placement groove; 6, structure that can be sleeved and fixedly locked rod; 61, fixing ring; 62, rotating rod; 63, connecting rod; 64, sleeving frame; 65, tightening bolt; 7, structure that can assist in pushing the separation block; 71, fixing block; 72, fixing groove; 73, first spring; 74, sliding block; 75, pushing rod; 8, structure that can support the auxiliary picking seat; 81, supporting seat; 82, fixing cavity; 83, second spring; 84, pushing block; 85, fixing rod; 86, auxiliary ejecting seat; 9, structure that can assist in collecting the injection material hopper; 91, inserting connecting pipe; 92, injection hopper; 93, connecting ring; 94, collecting box. Specific embodiments

[0019] The present invention will be specifically described below with reference to the accompanying drawings, such as in the attached Figure 1 and the attached Figure 2As shown in the figure, an improved plastic preparation mold for a plastic shell includes a female mold 1, a male mold 2, a material injection hole 3, a connecting block 4, a placement groove 5, a socket-fixed locking rod structure 6, an auxiliary pushing and separating block structure 7, a supporting and auxiliary part-taking seat structure 8, and a material injection and auxiliary collecting hopper structure 9. The male mold 2 is arranged above the female mold 1; a material injection hole 3 is opened at the middle position inside the male mold 2; connecting blocks 4 are respectively bolt-fixed to the top parts on the left and right sides of the female mold 1; a placement groove 5 is opened at the upper end of the male mold 2; socket-fixed locking rod structures 6 are respectively arranged on the left and right sides at the upper end of the female mold 1; auxiliary pushing and separating block structures 7 are connected to the left and right sides at the bottom end of the female mold 1; a supporting and auxiliary part-taking seat structure 8 is fixed at the middle position at the bottom end of the female mold 1; a material injection and auxiliary collecting hopper structure 9 is arranged inside the upper end of the material injection hole 3. The socket-fixed locking rod structure 6 includes a fixing ring 61, a rotating rod 62, a connecting rod 63, a socket frame 64, and a tightening bolt 65. A rotating rod 62 penetrates through the middle position inside the fixing ring 61; a connecting rod 63 is bolt-fixed at the middle position on the right side of the rotating rod 62; the bottom end of the connecting rod 63 is bolt-fixed at the middle position of the upper end of the socket frame 64; a tightening bolt 65 is threadedly penetrated through the middle position inside the bottom end of the socket frame 64. When in use, the female mold 1 and the male mold 2 are fixed at appropriate positions. During the preparation, the connecting rod 63 and the socket frame 64 are rotated, and the socket frame 64 is sleeved on the outer wall of the connecting block 4. Then the tightening bolt 65 is rotated. By pushing the bottom end of the connecting block 4 during the rotation of the tightening bolt 65, the pressure between the female mold 1 and the male mold 2 is increased, and the sealing effect during the preparation process is improved.

[0020] In this implementation plan, in combination with the attached Figure 3 As shown in the figure, the auxiliary pushing and separating block structure 7 includes a fixing block 71, a fixing groove 72, a first spring 73, a sliding block 74, and a pushing rod 75. A fixing groove 72 is opened at the upper left side of the fixing block 71; a first spring 73 is fixed at the bottom end inside the fixing groove 72; the upper end of the first spring 73 is fixed at the bottom end of the sliding block 74; a pushing rod 75 is fixed at the middle position of the upper end of the sliding block 74. During the preparation process, the sliding block 74 and the pushing rod 75 are pushed by the first spring 73. Then, during the separation process, the upper end of the pushing rod 75 pushes the left and right sides at the bottom end of the male mold 2, which is convenient for separating the female mold 1 and the male mold 2 after the preparation and improves the work efficiency.

[0021] In this implementation plan, in combination with the attached Figure 4As shown, the support-assisted part-taking seat structure 8 includes a support seat 81, a fixed cavity 82, a second spring 83, a pushing block 84, a fixed rod 85, and an auxiliary ejecting seat 86. Inside the support seat 81, a fixed cavity 82 is sequentially formed from left to right; at the bottom end inside the fixed cavity 82, second springs 83 are respectively fixed; the upper ends of the second springs 83 are respectively fixed to the bottom end of the pushing block 84; a fixed rod 85 penetrates through the support seat 81 from left to right and the middle position inside the pushing block 84; at the middle position of the upper end of the pushing block 84, the auxiliary ejecting seat 86 is bolted and fixed; before preparation, after separating the female mold 1 and the male mold 2, press down the auxiliary ejecting seat 86, and after pressing the auxiliary ejecting seat 86, make the upper end of the auxiliary ejecting seat 86 horizontally arranged with the bottom end inside the female mold 1, and then insert and connect the fixed rod 85 to complete the fixing work of the auxiliary ejecting seat 86. After preparation, pull out the fixed rod 85, then push the pushing block 84 through the second spring 83, and at the same time drive the auxiliary ejecting seat 86 to move upward to realize the ejecting work of the workpiece, facilitating the purpose of workpiece taking and ejecting after preparation.

[0022] In this embodiment, in combination with the attached Figure 5 As shown, the injection-assisted collection hopper structure 9 includes an insertion connecting pipe 91, an injection hopper 92, a connecting ring 93, and a collection box 94. The upper end of the insertion connecting pipe 91 is bolted and fixed to the bottom end of the injection hopper 92; at the upper part of the outer wall of the injection hopper 92, a connecting ring 93 is bolted and fixed; the outer wall of the connecting ring 93 is bolted and fixed to the collection box 94; after fixing the device, insert the insertion connecting pipe 91 into the upper end inside the injection hole 3, and then carry out the material injection work through the injection hopper 92, and during the injection process, collect the material through the collection box 94 to prevent the material from falling outside and causing waste, thereby completing the plastic preparation mold work.

[0023] In this embodiment, specifically, the male mold 2 is inserted into the upper end inside the female mold 1, and a preparation cavity is provided inside the upper end of the female mold 1; the injection hole 3 is communicated with the preparation cavity provided inside the female mold 1; the injection hole 3 is arranged at the middle position inside the placement groove 5; through holes in the shape of a T and an inverted T are respectively formed from left to right inside the female mold 1.

[0024] In this embodiment, specifically, a bearing is provided at the connection between the fixed ring 61 and the rotating rod 62; the connecting rod 63 is an inverted L-shaped stainless steel rod; the socket frame 64 is a rectangular stainless steel frame.

[0025] In this embodiment, specifically, the fixed rings 61 are respectively bolted and fixed at the four corner positions of the upper end of the male mold 2; the socket frame 64 is sleeved on the outer wall of the connecting block 4; the upper ends of the tightening bolts 65 are respectively in contact with the middle position of the bottom end of the connecting block 4.

[0026] In this embodiment, specifically, the fixing block 71 is an L-shaped stainless steel block; the sliding block 74 and the push rod 75 are arranged in an inverted T shape.

[0027] In this embodiment, specifically, the fixing blocks 71 are respectively bolted to the left and right sides of the bottom end of the female mold 1; the upper ends of the first springs 73, the sliding block 74 and the push rod 75 are respectively inserted into the left and right ends of the female mold 1; the upper ends of the push rods 75 respectively penetrate through the left and right ends of the female mold 1.

[0028] In this embodiment, specifically, the auxiliary ejection seat 86 is an inverted T-shaped stainless steel seat and the bottom ends of the auxiliary ejection seats 86 respectively slide through the upper ends of the auxiliary ejection seats 86; the push block 84 is slidably inserted into the fixed cavity 82.

[0029] In this embodiment, specifically, the support seat 81 is bolted to the bottom end of the female mold 1; the auxiliary ejection seat 86 seamlessly slides through the inner bottom end of the female mold 1; the support seat 81 is arranged between the fixing blocks 71.

[0030] In this embodiment, specifically, the collection box 94 is an arc-shaped stainless steel box and the connecting ring 93 is arranged at the top of the inner circle of the collection box 94.

[0031] In this embodiment, specifically, the insertion pipe 91 is inserted into the upper end of the injection hole 3; the bottom end of the collection box 94 is inserted into the upper end of the placement groove 5.

[0032] Working principle

[0033] In the present invention, during use, the female die 1 and the male die 2 are fixed at appropriate positions. During preparation, the connecting rod 63 and the socket frame 64 are rotated, and the socket frame 64 is sleeved on the outer wall of the connecting block 4. Then, the tightening bolt 65 is rotated. By pushing the bottom end of the connecting block 4 during the rotation of the tightening bolt 65, the pressure between the female die 1 and the male die 2 is increased, the sealing effect during the preparation process is improved, and during the preparation process, the sliding block 74 and the push rod 75 are pushed by the first spring 73. Then, during the separation process, the upper ends of the push rods 75 push the left and right sides of the bottom end of the male die 2, facilitating the separation of the female die 1 and the male die 2 after preparation, improving work efficiency. Before preparation, after separating the female die 1 and the male die 2, the auxiliary ejection seat 86 is pressed downward. After pressing the auxiliary ejection seat 86, the upper end of the auxiliary ejection seat 86 is horizontally arranged with the inner bottom end of the female die 1. Then, the fixing rod 85 is inserted to complete the fixing work of the auxiliary ejection seat 86. After preparation, the fixing rod 85 is pulled out, and then the push block 84 is pushed by the second spring 83, and at the same time, the auxiliary ejection seat 86 is driven to move upward to complete the ejection of the workpiece, facilitating the purpose of taking and ejecting the workpiece after preparation. After fixing the device, the insertion pipe 91 is inserted into the upper inner part of the injection hole 3, and then the material is added through the injection hopper 92. During the addition process, the material is collected by the collection box 94 to prevent the material from falling outside and causing waste, thus completing the work of the plastic preparation mold.

[0034] Any technical solution using the technical solution of the present invention, or a technical solution designed by those skilled in the art inspired by the technical solution of the present invention and achieving the above technical effects, shall fall within the protection scope of the present invention.

Claims

1. An improved plastic preparation mold for a plastic housing, comprising a concave mold (1), a convex mold (2) is arranged above the concave mold (1); an injection hole (3) is provided at the middle position inside the convex mold (2); connecting blocks (4) are bolted to the top of the left and right sides of the concave mold (1); a placement groove (5) is provided at the upper end of the convex mold (2); characterized in that, The improved plastic preparation mold for plastic shells comprises a sleeve-fixed locking rod structure (6) on the left and right sides of the upper end of the female mold (1); an auxiliary push-moving separation block structure (7) is connected to the left and right sides of the bottom end of the female mold (1); a support auxiliary piece removal seat structure (8) is fixed at the middle position of the bottom end of the female mold (1); an injection auxiliary collecting bucket structure (9) is arranged inside the upper end of the injection hole (3); the sleeve-fixed locking rod structure (6) comprises a fixing ring (61), a rotating rod (62) passes through the middle position of the fixing ring (61); a connecting rod (63) is bolted to the middle position on the right side of the rotating rod (62); the bottom end of the connecting rod (63) is bolted to the middle position of the upper end of the sleeve frame (64); and a tightening bolt (65) is threadedly passed through the middle position of the bottom end of the sleeve frame (64).

2. The improved plastic preparation mold for a plastic housing as claimed in claim 1, characterized in that: The auxiliary push-moving separation block structure (7) comprises a fixed block (71), a fixed groove (72) is provided on the left side of the upper end of the fixed block (71); a first spring (73) is fixed to the inner bottom end of the fixed groove (72); the upper end of the first spring (73) is fixed to the bottom end of the sliding block (74); and a push rod (75) is fixed to the middle position of the upper end of the sliding block (74).

3. The improved plastic preparation mold for a plastic housing as claimed in claim 1, characterized in that: The supporting auxiliary piece-picking seat structure (8) comprises a supporting seat (81), wherein the interior of the supporting seat (81) is provided with fixing cavities (82) in sequence from left to right; the bottom ends of the interiors of the fixing cavities (82) are respectively fixed with second springs (83); the upper ends of the second springs (83) are respectively fixed to the bottom ends of the pushing blocks (84); fixing rods (85) are respectively passed through the interior of the supporting seat (81) from left to right and the middle position of the interior of the pushing block (84); and an auxiliary ejection seat (86) is bolted to the middle position of the upper end of the pushing block (84).

4. The improved plastic preparation mold for a plastic housing as claimed in claim 1, characterized in that: The injectable auxiliary collecting hopper structure (9) comprises a plug-in tube (91), the upper end of the plug-in tube (91) is bolted to the bottom end of the injecting hopper (92); a connecting ring (93) is bolted to the upper part of the outer wall of the injecting hopper (92); and a collecting box (94) is bolted to the outer wall of the connecting ring (93).

5. The improved plastic preparation mold for a plastic housing as claimed in claim 1, characterized in that: The male mold (2) is inserted into the upper end of the female mold (1) and a preparation cavity is provided inside the upper end of the female mold (1); the injection hole (3) is connected to the preparation cavity provided inside the female mold (1); the injection hole (3) is provided at the middle position inside the placement groove (5); and the inside of the female mold (1) is provided with T-shaped and inverted T-shaped through holes from left to right.

6. The improved plastic preparation mold for a plastic housing as claimed in claim 1, characterized in that: The fixing ring (61) is bolted to the four corners of the upper end of the punch (2); the sleeve frame (64) is sleeved on the outer wall of the connecting block (4); and the upper ends of the tightening bolts (65) are respectively arranged in contact with the middle position of the bottom end of the connecting block (4).

7. The improved plastic preparation mold for a plastic housing as claimed in claim 2, characterized in that: The fixing block (71) is bolted to the left and right sides of the bottom end of the die (1); the upper end of the first spring (73), the sliding block (74) and the pushing rod (75) are respectively inserted into the left and right ends of the die (1); the upper end of the pushing rod (75) passes through the left and right ends of the die (1).

8. The improved plastic preparation mold for a plastic housing as claimed in claim 3, characterized in that: The auxiliary ejection seat (86) is an inverted T-shaped stainless steel seat and the bottom end of the auxiliary ejection seat (86) slides through the interior of the upper end of the auxiliary ejection seat (86); the pushing block (84) is slidably inserted into the interior of the fixed cavity (82).

9. The improved plastic preparation mold for a plastic housing as claimed in claim 3, characterized in that: The support seat (81) is bolted to the bottom end of the die (1); the auxiliary ejection seat (86) seamlessly slides through the inner bottom end of the die (1); and the support seat (81) is arranged between the fixing blocks (71).

10. The improved plastic preparation mold for a plastic housing as claimed in claim 4, characterized in that: The plug-in tube (91) is plugged into the upper end of the injection hole (3); the bottom end of the collection box (94) is plugged into the upper end of the placement groove (5).