Die for eliminating weld lines of product

Abstract

The utility model relates to the technical field of die processing, and discloses a die for eliminating weld lines of products, which comprises a die body, the upper end of the die body is fixedly connected with a base, the bottom of the base is fixedly connected with a first motor, the output end of the first motor is fixedly connected with a first rotating shaft, the other end of the first rotating shaft is fixedly connected with a first worm, and the first worm is fixedly connected with a second worm. The left end of the mold body is rotatably connected with a plurality of rotating shafts II, the outer walls of the rotating shafts II are fixedly connected with worm gears I, the worm gears I are in meshed connection with the worm gears I, the outer sides of the rotating shafts II are fixedly connected with a plurality of impact wheels, the periphery of the top of the mold body is fixedly connected with springs, and the other ends of the springs are fixedly connected with impact plates. According to the utility model, the mold body is impacted, so that internal gas can be exhausted, and the problems that air holes are formed in the flowing process of plastic, normal flowing of the plastic is hindered, and a weld line is more obvious are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of mold processing, in particular to a mold for eliminating product weld lines. Background Art

[0002] Weld lines, also known as weld marks, are visible line marks formed when two or more streams of molten plastic meet during the injection molding process. Due to the differences in temperature, pressure and flow rate, these differences are large, which will cause the melt to not fully fuse at the intersection.

[0003] A mold that eliminates product weld lines is a specially designed and optimized injection mold designed to reduce or eliminate weld lines on injection molded products, improve product quality and appearance, and adopt measures such as a uniform cooling system and high-precision mold manufacturing to reduce or eliminate weld lines on injection molded products and improve product quality and appearance.

[0004] Existing technology uses a mold that eliminates product weld lines. Products produced by traditional molds often affect the smoothness and integrity of the appearance due to the presence of weld lines. However, if the air in the mold cavity cannot be discharged in time, air pockets will form during the flow of plastic, hindering the normal flow of plastic and making the weld lines more obvious. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a mold for eliminating the weld line of the product, aiming to improve the problem in the prior art that air pockets are formed during the flow of plastic, hindering the normal flow of plastic and making the weld line more obvious.

[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solution: a mold for eliminating weld lines of products, comprising a mold body, the upper end of the mold body is fixedly connected to a base, the bottom of the base is fixedly connected to a motor 1, the output end of the motor 1 is fixedly connected to a rotating shaft 1, the other end of the rotating shaft 1 is fixedly connected to a worm 1, the left end of the mold body is rotatably connected to multiple rotating shafts 2, the outer wall of the rotating shaft 2 is fixedly connected to a worm gear 1, the worm 1 is meshed with the worm gear 1, the outer side of the rotating shaft 2 is fixedly connected to multiple impact wheels, the top of the mold body is fixedly connected to springs all around, the other end of the spring is fixedly connected to an impact plate, and the left end of the mold body is provided with a cleaning mechanism, which cleans and protects the cooled mold.

[0007] As a further description of the above technical solution:

[0008] The cleaning mechanism includes a casing, which is arranged at the left end of the mold body, a retractable rope fixedly connected to the bottom of the casing, the other end of the retractable rope is fixedly connected to the mold body, the upper and middle part of the casing is fixedly connected to motor 2, the output end of motor 2 is fixedly connected to rotating shaft 3, the other end of rotating shaft 3 is fixedly connected to worm 2, the upper end of the casing is fixedly connected to a fixed block, the rear end of the fixed block is rotatably connected to rotating shaft 4, the outer wall of rotating shaft 4 is fixedly connected to worm gear 2, the worm gear 2 is meshed with worm gear 2, the rear side of rotating shaft 4 is fixedly connected to a rotating column, the rear end of the rotating column is fixedly connected to a telescopic rod, and the rear end of the telescopic rod is fixedly connected to a cleaning ball.

[0009] As a further description of the above technical solution:

[0010] A fixing ring is fixedly connected to the outer side of the mold body, and a fixing bolt is threadedly connected to the inner side of the fixing ring.

[0011] As a further description of the above technical solution:

[0012] The front end of the mold body is slidably connected to a casting pipe, and the outer wall of the casting pipe is fixedly connected to a plurality of fixing plates.

[0013] As a further description of the above technical solution:

[0014] The front end of the mold body is rotatably connected to a rotating bolt, and the outer side of the rotating bolt is fixedly connected to a lifting rod.

[0015] As a further description of the above technical solution:

[0016] The left end of the mold body is fixedly connected with a hinge, and the front end of the hinge is fixedly connected with a mechanical door.

[0017] As a further description of the above technical solution:

[0018] The left side of the mechanical door is fixedly connected with a support rod, and the left end of the support rod is fixedly connected with a handle.

[0019] As a further description of the above technical solution:

[0020] A hanging platform is provided on the left side of the mold body, and a screw is threadedly connected to the left end of the hanging platform. The screw passes through the hanging platform and is threadedly connected to the mold body.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, the output end of the motor rotates, thereby causing the rotating shaft to drive the worm to rotate, so that the worm wheel on the transmission rotating shaft hits the impact plate through the impact wheel, thereby hitting the mold body so that the internal gas can be discharged, solving the problem of forming air pockets during the flow of plastic, hindering the normal flow of plastic, and making the weld line more obvious.

[0023] 2. In the utility model, the output end of the second motor rotates, so that the rotating shaft three drives the worm two to rotate, and the worm gear two drives the rotating column to rotate. The telescopic rod is extended and retracted, thereby realizing the cleaning and protection of the cooled mold, and solving the problem of easy damage to the mold if it is not cleaned in time after use. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A three-dimensional diagram of a mold for eliminating weld lines of products proposed by the present invention;

[0025] Figure 2 This is a front view of a mold for eliminating weld lines of products proposed by the present invention;

[0026] Figure 3 This is a structural breakdown diagram of a mold for eliminating product weld lines proposed by the utility model;

[0027] Figure 4 This utility model proposes a mold for eliminating product weld lines. Figure 3 Enlarged view of point A in the middle;

[0028] Figure 5 This is an exploded view of the local structure of a mold for eliminating product weld lines proposed by the utility model;

[0029] Figure 6 This is a disassembled diagram of a cleaning mechanism for a mold that eliminates weld lines on products proposed in the utility model.

[0030] Legend:

[0031] 1. Mold body; 2. Cleaning mechanism; 201. Casing; 202. Telescopic rope; 203. Motor 2; 204. Rotating shaft 3; 205. Worm 2; 206. Fixed block; 207. Rotating shaft 4; 208. Worm gear 2; 209. Rotating column; 210. Telescopic rod; 211. Cleaning ball; 3. Fixed ring; 4. Fixed bolt; 5. Casting tube; 6. Fixed plate; 7. Rotating bolt; 8. Lifting rod; 9. Hinge; 10. Mechanical door; 11. Support rod; 12. Handle; 13. Hanging table; 14. Screw; 15. Base; 16. Motor 1; 17. Rotating shaft 1; 18. Worm 1; 19. Rotating shaft 2; 20. Worm gear 1; 21. Impact wheel; 22. Spring; 23. Impact plate. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0033] Reference Figure 1 and Figure 5 , The utility model provides an embodiment: a mold for eliminating product weld lines, including a mold body 1, the upper end of the mold body 1 is fixedly connected to a base 15, the bottom of the base 15 is fixedly connected to a motor 16, the power source of the device, the output end of the motor 16 is fixedly connected to a rotating shaft 17, the other end of the rotating shaft 17 is fixedly connected to a worm 18, the left end of the mold body 1 is rotatably connected to a plurality of rotating shafts 2 19, the outer wall of the rotating shaft 2 19 is fixedly connected to a worm gear 20, the worm 18 is meshed with the worm gear 20 to make the transmission smoother, the outer side of the rotating shaft 2 19 is fixedly connected to a plurality of impact wheels 21, the top of the mold body 1 is fixedly connected to a spring 22 all around, the other end of the spring 22 is fixedly connected to an impact plate 23, and a cleaning mechanism 2 is provided at the left end of the mold body 1, which cleans and protects the cooled mold; the front end of the mold body 1 is slidably connected to a casting tube 5, and the outer wall of the casting tube 5 is fixedly connected to a plurality of fixing plates 6;

[0034] Specifically, during the mold modeling process, motor 16 is fixed under the base 15, and its output end drives the rotating shaft 17 to rotate. The other end of the rotating shaft 17 is fixed with a worm 18. The left side of the mold body 1 is connected to the worm 18 through two rotating shafts 2 19. A worm gear 20 and an impact wheel 21 are installed on the outside of the rotating shaft 2 19. The transmission action of the worm 18 and the worm gear 20 causes the mold body 1 to vibrate, thereby realizing the discharge of internal gas, solving the problem of air pocket formation during plastic flow, avoiding obstruction to the normal flow of plastic, and making the weld line clearer. The front of the mold body 1 is connected to the casting tube 5 through a sliding connection device, and the outer wall of the casting tube 5 is fixedly connected with multiple fixing plates 6.

[0035] Reference Figure 4 and Figure 6The cleaning mechanism 2 includes a housing 201, which is arranged at the left end of the mold body 1. The bottom of the housing 201 is fixedly connected to a retractable rope 202, and the other end of the retractable rope 202 is fixedly connected to the mold body 1. The upper and middle parts of the housing 201 are fixedly connected to the second motor 203, which is the power source of the device. The output end of the second motor 203 is fixedly connected to the third shaft 204, and the other end of the third shaft 204 is fixedly connected to the second worm 205. The upper end of the housing 201 is fixedly connected to a fixed block 206, and the rear end of the fixed block 206 is rotatably connected to the fourth shaft 2 07, the outer wall of the rotating shaft 4 207 is fixedly connected with the worm gear 208, and the worm gear 205 is meshed with the worm gear 208 to make the transmission smoother. The rear side of the rotating shaft 4 207 is fixedly connected with the rotating column 209, and the rear end of the rotating column 209 is fixedly connected with the telescopic rod 210, and the rear end of the telescopic rod 210 is fixedly connected with the cleaning ball 211; a hanging platform 13 is provided on the left side of the mold body 1, and the left end of the hanging platform 13 is threadedly connected with a screw 14, which passes through the hanging platform 13 and is threadedly connected to the mold body 1 for hanging the cleaning mechanism 2;

[0036] Specifically, after the mold is cooled, the telescopic rope 202 in the housing 201 drives the rotating shaft 3 204 through its output end. The bottom of the housing 201 is connected to the telescopic rope 202, and the other end of the telescopic rope 202 is fixed on the mold body 1. The other end of the rotating shaft 3 204 is connected to the worm 205. A fixing block 206 is fixed on the top of the housing 201, and its rear part is connected to the rotating shaft 4 207. A worm gear 208 is fixed on the outside of the rotating shaft 4 207. The transmission is realized between the worm 205 and the worm gear 208. The rear end of the rotating shaft 4 207 is fixed with a fixing block 206. A rotating column 209 is provided, and a telescopic rod 210 is fixed to the rear of the rotating column 209, and a cleaning ball 211 is fixed to the rear end of the telescopic rod 210, which realizes the cleaning and protection of the cooled mold, and effectively solves the problem of damage that may be caused by not cleaning the mold in time after use. A hanging platform 13 is provided on the left side of the mold body 1, and the left end of the hanging platform 13 is connected to the screw 14 through a thread. The screw 14 passes through the hanging platform 13 and is connected to the thread of the mold body 1. The model of motor 16 is Y2-200L-4, and the model of motor 2 203 is Y2-200L-4.

[0037] Reference Figure 2 、 Figure 3 and Figure 4 The outer side of the mold body 1 is fixedly connected to a fixing ring 3, and the internal thread of the fixing ring 3 is connected to a fixing bolt 4; the front end of the mold body 1 is rotatably connected to a rotating bolt 7, and the outer side of the rotating bolt 7 is fixedly connected to a lifting rod 8 for moving the device; the left end of the mold body 1 is fixedly connected to a hinge 9, and the front end of the hinge 9 is fixedly connected to a mechanical door 10; the left side of the mechanical door 10 is fixedly connected to a support rod 11, and the left end of the support rod 11 is fixedly connected to a handle 12;

[0038] Specifically, the outer part of the mold body 1 is designed as a fixing ring 3, which is tightly connected to the fixing bolt 4 through its internal thread, ensuring a firm connection between the fixing ring 3 and the fixing bolt 4, thereby enhancing the stability of the entire mold. At the same time, the front end part of the mold body 1 can be rotated by a rotating bolt 7, and the outer part of the rotating bolt 7 is fixedly connected to the lifting rod 8, so that the lifting rod 8 can move accordingly with the rotation of the rotating bolt 7, thereby realizing a specific function. In addition, the left end part of the mold body 1 is connected to it by a hinge 9, and the hinge 9 enables the mechanical door 10 to be opened and closed flexibly. The left part of the mechanical door 10 is fixedly connected by a support rod 11, and the left end part of the support rod 11 is connected to the handle 12, which ensures the stable opening and closing of the mechanical door 10 and provides convenience for user operation.

[0039] Working principle: When mold modeling is being carried out, the output end of the motor 16 fixed under the base 15 drives the rotating shaft 17 to rotate. The other end of the rotating shaft 17 is fixed with a worm 18. The left side of the mold body 1 is connected to two rotating shafts 2 19. The outside of the rotating shaft 2 19 is fixed with a worm gear 20 and an impact wheel 21. The worm gear 20 is driven by the worm 18. Four springs 22 are also fixed on the top of the mold body 1. The other end of the spring 22 is fixed to an impact plate 23. The impact wheel 21 rotates and hits the impact plate 23, generating vibration, thereby hitting the mold body 1 so that the internal gas can be discharged, solving the problem of forming air pockets during the plastic flow process, hindering the normal flow of the plastic, and making the weld line more obvious.

[0040] When the mold is cooled after use, the output end of the telescopic rope 202 in the casing 201 drives the rotating shaft three 204. The telescopic rope 202 is connected to the bottom of the casing 201, and the other end of the telescopic rope 202 is fixed on the mold body 1. The other end of the rotating shaft three 204 is fixed to the worm gear two 205. A fixed block 206 is fixed on the top of the casing 201. The back of the fixed block 206 is connected to the rotating shaft four 207. The outside of the rotating shaft four 207 is fixed with a worm gear two 208, which is driven by the worm gear two 205. A rotating column 209 is fixed to the back of the rotating column 209, and a telescopic rod 210 is also fixed to the back of the rotating column 209. A cleaning ball 211 is fixed to the back of the telescopic rod 210, so as to realize the cleaning and protection of the cooled mold and solve the problem of easy damage to the mold if the mold is not cleaned in time after use.

[0041] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A mold for eliminating weld lines of products, comprising a mold body (1), characterized in that: The upper end of the mold body (1) is fixedly connected to a base (15), the bottom of the base (15) is fixedly connected to a motor (16), the output end of the motor (16) is fixedly connected to a rotating shaft (17), the other end of the rotating shaft (17) is fixedly connected to a worm (18), the left end of the mold body (1) is rotatably connected to a plurality of rotating shafts (19), the outer wall of the rotating shaft (19) is fixedly connected to a worm gear (20), the worm gear (18) is meshed with the worm gear (20), the outer side of the rotating shaft (19) is fixedly connected to a plurality of impact wheels (21), the top of the mold body (1) is fixedly connected to springs (22) all around, the other end of the spring (22) is fixedly connected to an impact plate (23), the left end of the mold body (1) is provided with a cleaning mechanism (2), the cleaning mechanism (2) cleans and protects the mold after cooling.

2. A mold for eliminating weld lines of products according to claim 1, characterized in that: The cleaning mechanism (2) comprises a housing (201), the housing (201) being arranged at the left end of the mold body (1), a retractable rope (202) being fixedly connected to the bottom of the housing (201), the other end of the retractable rope (202) being fixedly connected to the mold body (1), a second motor (203) being fixedly connected to the middle and upper part of the housing (201), an output end of the second motor (203) being fixedly connected to a third rotating shaft (204), the other end of the third rotating shaft (204) being fixedly connected to a second worm (205), and the housing ( The upper end of the rotating shaft (201) is fixedly connected to a fixed block (206), the rear end of the fixed block (206) is rotatably connected to a rotating shaft (207), the outer wall of the rotating shaft (207) is fixedly connected to a worm gear (208), the worm gear (205) is meshed with the worm gear (208), the rear side of the rotating shaft (207) is fixedly connected to a rotating column (209), the rear end of the rotating column (209) is fixedly connected to a telescopic rod (210), and the rear end of the telescopic rod (210) is fixedly connected to a cleaning ball (211).

3. A mold for eliminating weld lines of products according to claim 1, characterized in that: The outer side of the mold body (1) is fixedly connected to a fixing ring (3), and the inner thread of the fixing ring (3) is connected to a fixing bolt (4).

4. A mold for eliminating weld lines of products according to claim 1, characterized in that: The front end of the mold body (1) is slidably connected to a casting tube (5), and the outer wall of the casting tube (5) is fixedly connected to a plurality of fixing plates (6).

5. The mold for eliminating weld lines of products according to claim 1, characterized in that: The front end of the mold body (1) is rotatably connected to a rotating bolt (7), and the outer side of the rotating bolt (7) is fixedly connected to a lifting rod (8).

6. The mold for eliminating weld lines of products according to claim 1, characterized in that: The left end of the mold body (1) is fixedly connected to a hinge (9), and the front end of the hinge (9) is fixedly connected to a mechanical door (10).

7. A mold for eliminating weld lines of products according to claim 6, characterized in that: The left side of the mechanical door (10) is fixedly connected to a support rod (11), and the left end of the support rod (11) is fixedly connected to a handle (12).

8. The mold for eliminating weld lines of products according to claim 1, characterized in that: A hanging platform (13) is provided on the left side of the mold body (1), and a screw (14) is threadedly connected to the left end of the hanging platform (13). The screw (14) passes through the hanging platform (13) and is threadedly connected to the mold body (1).

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