Plastic injection part shaping mold
By designing an adjustable injection molding die, the problem of fixed die position was solved, achieving precision in burr removal and mechanical protection, and improving the adaptability and safety of the die.
Patent Information
- Application Number
- CN202422949964.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-11-29
AI Technical Summary
The existing forming molds have fixed positions, making it difficult to adjust them to accommodate injection molded parts of different specifications, and they lack effective protection against mechanical failures when the upper and lower molds are closed.
A molding die for injection molding parts was designed, comprising a bottom mold and a top mold. The adjustable forming range of the mold is achieved by a cylinder-driven telescopic rod and slider system, and burrs are removed by a slide rail and shearing block. Meanwhile, a steel ball and support rod structure is used to prevent mechanical failure.
It achieves an adjustable forming range for the mold, ensuring the accuracy of burr removal and providing protection when the mold is closed to prevent mechanical failure.
Smart Images
Figure CN223520042U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to orthopedic mould technical field, concretely is a injection molding part orthopedic mould. BACKGROUND
[0002] Mould refers to the mould, tool for limiting, shaping product appearance general, can have corresponding function according to the difference of material, such as thermoplastic liquid, metal hot melt liquid needs to use injection mould, steel plate, plastic plate needs to punch mould, plastic film uses blow mould, takes out after cooling and temperature reduction.
[0003] If the edge or gap or detail of finished product still has deficiency, for example, the plastic part of the edge or internal angle of mobile phone shell still has burr after integrally forming, then needs to use orthopedic mould secondary processing, and the edge corner can be sold after grinding, but the orthopedic mould often is particularly customized according to the size of the collected shell body, and the position of each accessory is fixed, which is difficult to adjust.
[0004] Now, a new injection molding part orthopedic mould is proposed to solve the above problems. CONTENT OF THE UTILITY MODEL
[0005] The utility model aims at providing an injection molding part orthopedic mould to solve the problem of fixed position of the orthopedic module in the background art.
[0006] To achieve the above object, the utility model provides the following technical scheme: an injection molding part orthopedic mould, comprising a bottom die and a top die, a top die is arranged above the bottom die, a mobile phone shell is clamped and fixed in the bottom die, connecting blocks are fixed on the both sides of the outer bottom die, air cylinders are fixed on the both sides of the outer top die, telescopic rods are assembled between the air cylinders and the connecting blocks, sliding grooves are arranged on the both sides of the inner top die, a horizontal plate is horizontally inserted between the sliding grooves, sliding rails are arranged on the front and rear ends of the bottom of the horizontal plate, sliding blocks are movably connected on the both sides of the inner sliding rails, screw holes three are arranged on the front and rear ends of the top of the sliding blocks, positioning bolts are screwed into the screw holes three, screw holes one are arranged on the front and rear ends of the sliding rails, and a shearing block is fixed on the bottom of the sliding block.
[0007] Preferably, an insertion groove is arranged between the front and rear of the inner side surface of the shearing block, a guide rod is movably inserted between the front and rear of the insertion groove, screw holes two are arranged on the side surface of the shearing block, and fastening bolts are engaged into the screw holes two.
[0008] Preferably, the shearing block can slide along the surface of the guide rod, and the fastening bolts can abut against the guide rod in the insertion groove.
[0009] Preferably, the shearing block can move left and right with the sliding block, and the top end of the positioning bolt can be embedded in the screw hole one.
[0010] Preferably, the top of the horizontal plate is fixed with four groups of slide rods, the inner side above the top die is provided with four groups of circular grooves, the top die and the horizontal plate are fixed with four groups of springs, and the top ends of the slide rods are transversely fixed with a connecting rod.
[0011] Preferably, the springs are wound on the outer side of the slide rods, and the slide rods can move up and down along the inner wall of the circular groove.
[0012] Preferably, the front end of the outer wall of the air cylinder is provided with a fixed block, the lower side of the fixed block is provided with a movable rod, the bottom end of the movable rod is fixed with a rotating block, the bottom end of the rotating block is fixed with a supporting rod, the lower side of the supporting rod is movably embedded with a steel ball, and the steel ball can be attached to the two sides of the top of the bottom die.
[0013] Preferably, the rotating block can rotate horizontally with the movable rod, and the steel ball can rotate in place at the bottom of the supporting rod.
[0014] Compared with the prior art, the injection molding part shaping die not only realizes the adjustment of the shaping part, realizes the quick resetting of the shaping part, but also realizes the prevention of the closing of the upper and lower molds.
[0015] (1) By fixing the shearing block on the bottom of the sliding block, the top die is taken down and the adjacent two groups of shearing blocks are pushed along the front and rear slide rails, and the positioning bolts are tightened after aligning the screw hole three and the screw hole one, the adjacent shearing blocks in front and back are also limited by the guide rods inserted between the insertion grooves, and the tightening bolts at the screw hole two are also twisted to lock, which adjusts the shaping range of the mold and maintains the balance between the components, and maintains the accuracy of the shearing block in cutting the corner burrs of the mobile phone shell when the top die is settled.
[0016] (2) By movably connecting the sliding block on both sides of the slide rail inside, connecting the external air pipe and starting the air cylinder, guiding the top die to descend to close the bottom die, the four shearing blocks are pressed to fit at the four corners of the mobile phone shell, and if the top die continues to sink, the horizontal plate is forced to press the spring, so that the slide rod lifts the connecting rod along the circular groove, the spring provides reverse pressure, and the strength of the mold shaping is strengthened, and the internal components are quickly reset after the top die is lifted.
[0017] (3) By assembling the movable rod below the fixed block, after the top die is lifted to a high place, the rotating block at the bottom of the fixed block on both sides of the air cylinder shell can be manually rotated, the rotating block is embedded in the fixed block through the movable rod above, can guide the rotating block and the supporting rod to rotate horizontally, so that the supporting rod is attached to the bottom of the bottom die through the embedded steel ball, and a support is formed between the top die and the bottom die, so as to avoid mechanical failure and cause the top die to slide and pinch the hand. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1It is the front view sectional structure schematic view of the utility model;
[0019] Figure 2 It is the top die bottom view structure schematic view of the utility model;
[0020] Figure 3 It is the shear block front view structure schematic view of the utility model;
[0021] Figure 4 It is the rotary block front view structure schematic view of the utility model.
[0022] In the drawing: 1, bottom die; 2, mobile phone shell; 3, connecting block; 4, air cylinder; 5, top die; 6, telescopic rod; 7, connecting rod; 8, sliding rod; 9, round groove; 10, spring; 11, horizontal plate; 12, sliding groove; 13, fixed block; 14, movable rod; 15, rotary block; 16, support rod; 17, steel ball; 18, shear block; 19, slide rail; 20, screw hole one; 21, guide rod; 22, insertion slot; 23, fastening bolt; 24, screw hole two; 25, sliding block; 26, screw hole three; 27, positioning bolt. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0024] Please refer to Figures 1-4 A plastic injection part shaping die, including bottom die 1 and top die 5, the top die 5 is arranged on the top of bottom die 1, the mobile phone shell 2 is clamped and fixed in the inside of bottom die 1, the connecting block 3 is fixed on the both sides of the outside of bottom die 1, the air cylinder 4 is fixed on the both sides of the outside of top die 5, and the telescopic rod 6 is assembled between air cylinder 4 and connecting block 3, the sliding groove 12 is arranged on the both sides of the inside of top die 5, the horizontal plate 11 is horizontally inserted between sliding groove 12, the slide rail 19 is arranged on the front and back ends of the bottom of horizontal plate 11, the sliding block 25 is movably connected on the both sides of the inside of slide rail 19, the screw hole three 26 is arranged on the front and back ends of the top of sliding block 25, the positioning bolt 27 is screw-connected in screw hole three 26, the screw hole one 20 is arranged on the front and back ends of slide rail 19, and the shear block 18 is fixed on the bottom of sliding block 25.
[0025] The front and back of the inner side of the shearing block 18 is provided with a slot 22, and the front and back of the slot 22 is movably inserted with a guide rod 21. The side of the shearing block 18 uses a screw hole 24, and the screw hole 24 is engaged with a fastening bolt 23. The shearing block 18 can slide along the surface of the guide rod 21, and the fastening bolt 23 can be tightly inserted into the guide rod 21 in the screw hole 24. The shearing block 18 can move left and right with the sliding block 25, and the top end of the positioning bolt 27 can be embedded in the screw hole 1 20.
[0026] Specifically, as shown in Figure 1 and, Figure 2 Figure 3 The top die 5 is removed and the adjacent two groups of shearing blocks 18 are pushed along the slide rails 19 at both ends. After aligning the screw hole three 26 with the screw hole 1 20, the positioning bolt 27 is tightened to reinforce. The adjacent shearing blocks 18 at the front and back are limited by the guide rods 21 inserted between the slots 22. Similarly, the fastening bolts 23 at the screw hole two 24 are locked by turning. Both the adjustment of the shaping range of the mold and the maintenance of the balance between the components are achieved.
[0027] The top of the horizontal plate 1 1 is fixed with four groups of slide rods 8. The top of the top die 5 is provided with four groups of circular grooves 9. The top die 5 and the horizontal plate 1 1 are fixed with four groups of springs 10. The top end of the slide rod 8 is transversely fixed with a connecting rod 7. The spring 10 is wound on the outer side of the slide rod 8. The slide rod 8 can move up and down along the inner wall of the circular groove 9.
[0028] Specifically, as shown in Figure 1 and Figure 4 The connecting external trachea and the starting air cylinder 4 are connected. The extension rod 6 guides the top die 5 to descend to close the bottom die 1. The four groups of shearing blocks 18 are pressed to fit at the four corners of the mobile phone shell 2. If the top die 5 continues to sink, the horizontal plate 1 1 is forced to press the spring 10, so that the slide rod 8 lifts the connecting rod 7 along the circular groove 9. The spring 10 provides a reverse pressure to strengthen the shaping force of the mold.
[0029] The front end of the outer wall of the air cylinder 4 is provided with a fixed block 13, and the lower part of the fixed block 13 is provided with a movable rod 14. The bottom end of the movable rod 14 is fixed with a rotating block 15. The bottom end of the rotating block 15 is fixed with a supporting rod 16. The bottom of the supporting rod 16 is movably embedded with a steel ball 17. The steel ball 17 can be fitted on both sides of the top of the bottom die 1. The rotating block 15 can rotate horizontally with the movable rod 14. The steel ball 17 can rotate in place at the bottom of the supporting rod 16.
[0030] Specifically, as shown in Figure 1After the top die 5 is lifted to a high position, the rotating block 15 at the bottom of the fixed block 13 on the shell of the two side air cylinders 4 can be manually rotated, the rotating block 15 is embedded in the fixed block 13 through the movable rod 14 above, the rotating block 15 can be guided to rotate horizontally with the supporting rod 16, so that the supporting rod 16 is attached to the bottom die 1 through the embedded steel ball 17 at the bottom end, and a supporting structure is formed between the top die 5 and the bottom die 1.
[0031] Principle: In use, first, the top die 5 is removed and the adjacent two groups of shearing blocks 18 are pushed along the front and rear sliding rails 19, and after being aligned with the screw hole three 26 and the screw hole one 20, the positioning bolt 27 is tightened to reinforce, the front and rear adjacent shearing blocks 18 are also limited by the guide rods 21 inserted between the insertion grooves 22, and the fastening bolt 23 at the screw hole two 24 is also screwed to lock, then the external air pipe is connected and the air cylinder 4 is started, the telescopic rod 6 guides the top die 5 to descend to close the bottom die 1, the four groups of shearing blocks 18 are pressed and attached to the four corners of the mobile phone shell 2, if the top die 5 continues to sink, the horizontal plate 11 is forced to press the spring 10, the sliding rod 8 is lifted along the circular groove 9 to lift the connecting rod 7, the spring 10 provides reverse pressure, and the strength of the mold shaping is strengthened, after the top die 5 is lifted to a high position, the rotating block 15 at the bottom of the fixed block 13 on the shell of the two side air cylinders 4 can be manually rotated, the rotating block 15 is embedded in the fixed block 13 through the movable rod 14 above, the rotating block 15 can be guided to rotate horizontally with the supporting rod 16, so that the supporting rod 16 is attached to the bottom die 1 through the embedded steel ball 17 at the bottom end, a support is formed between the top die 5 and the bottom die 1, and the mobile phone shell 2 is taken out.
[0032] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the involved claims.
Claims
1. A trim mould for injection moulded parts, comprising a bottom mould (1) and a top mould (5), characterised in that: The top die (5) is arranged above the bottom die (1), the mobile phone shell (2) is clamped and fixed inside the bottom die (1), the connecting blocks (3) are fixed on the both sides of the outer bottom die (1), the air cylinders (4) are fixed on the both sides of the outer top die (5), the telescopic rods (6) are assembled between the air cylinders (4) and the connecting blocks (3), the sliding grooves (12) are arranged on the both sides of the inner top die (5), the horizontal plate (11) is horizontally inserted between the sliding grooves (12), the slide rails (19) are arranged on the front and back ends of the bottom of the horizontal plate (11), the slide blocks (25) are movably connected on the both sides of the inner slide rails (19), the screw holes three (26) are arranged on the front and back ends of the top of the slide blocks (25), the positioning bolts (27) are screwed into the screw holes three (26), the screw holes one (20) are arranged on the front and back ends of the slide rails (19), and the shearing blocks (18) are fixed on the bottom of the slide blocks (25).
2. A trim mold for injection molded parts as defined in claim 1, characterized in that: The insertion grooves (22) are arranged between the front and back of the inner side of the shearing blocks (18), the guide rods (21) are movably inserted between the front and back of the insertion grooves (22), the screw holes two (24) are arranged on the side of the shearing blocks (18), and the fastening bolts (23) are engaged into the screw holes two (24).
3. A trim mold for injection molded parts as defined in claim 2, characterized in that: The shearing blocks (18) can slide along the surface of the guide rods (21), and the fastening bolts (23) can abut against the guide rods (21) in the insertion grooves (22).
4. A trim mold for injection molded parts as defined in claim 1, wherein: The shearing blocks (18) can move left and right along with the slide blocks (25), and the top ends of the positioning bolts (27) can be embedded into the screw holes one (20).
5. A trim mold for injection molded parts as defined in claim 1, wherein: Four groups of slide rods (8) are fixed on the top of the horizontal plate (11), four groups of circular grooves (9) are arranged on the inner side of the top of the top die (5), four groups of springs (10) are fixed between the top die (5) and the horizontal plate (11), and the connecting rods (7) are transversely fixed between the top ends of the slide rods (8).
6. A trim mold for injection molded parts as defined in claim 5, characterized in that: The springs (10) are wound on the outer side of the slide rods (8), and the slide rods (8) can move up and down along the inner wall of the circular grooves (9).
7. A trim mold for injection molded parts as defined in claim 1, wherein: The fixed blocks (13) are mounted on the front end of the outer wall of the air cylinders (4), the movable rods (14) are assembled below the fixed blocks (13), the rotating blocks (15) are fixed on the bottom end of the movable rods (14), the support rods (16) are fixed on the bottom end of the rotating blocks (15), the steel balls (17) are movably embedded below the support rods (16), and the steel balls (17) can be attached to the both sides of the top of the bottom die (1).
8. A trim mold for injection molded parts as defined in claim 7, characterized in that: The rotating blocks (15) can rotate horizontally along with the movable rods (14), and the steel balls (17) can rotate in place on the bottom of the support rods (16).