Toothbrush handle injection molding equipment for recycling biomass plastic waste

Abstract

The invention relates to the technical field of injection molding, in particular to toothbrush handle injection molding equipment for biomass plastic waste recycling, the toothbrush handle injection molding equipment comprises an injection molding equipment body, an upper mold and a lower mold, the lower mold comprises a ring mold, and a first lower mold and a second lower mold are arranged on the outer side of the ring mold. According to the toothbrush injection molding equipment, secondary injection molding can be completed at a time when a toothbrush is subjected to injection molding, so that the toothbrush needing secondary injection molding can be completed in one equipment, the injection molding efficiency is improved, the time for secondary injection molding of the toothbrush is saved, a product obtained after injection molding can be transferred to one side of the first lower mold body and the second lower mold body, and when secondary injection molding is carried out, secondary injection molding is completed. According to the feeding device, feeding can be conducted on the toothbrush handles, injection molding is not delayed during feeding, then the injection molding efficiency can be guaranteed, meanwhile, the toothbrush handles needing to be fed are limited by the annular mold, the positions of the toothbrush handles needing to be fed are fixed, mechanical equipment can take the toothbrush handles conveniently, and the feeding device is very suitable for feeding of the mechanical equipment.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of injection molding, in particular to a toothbrush handle injection molding equipment for recycling biomass plastic waste. BACKGROUND

[0002] The toothbrush is a cleaning product, which is a handle type brush, used for adding toothpaste on the brush and then repeatedly brushing each part of the teeth to maintain oral hygiene. The toothbrush handle is one of the essential components of the toothbrush, which is usually formed by an injection molding machine.

[0003] In the authorized announcement No. CN214056305U discloses an injection molding device for toothbrush production, which comprises a main body, a sliding groove is formed in the upper end of the main body, and a sliding block is slidably arranged in the sliding groove. A lower mold is arranged in the main body corresponding to the upper mold, and fixing screw holes are formed on both sides of the lower mold. An extrusion plate is movably arranged in the lower mold, and an extrusion spring is fixed to the bottom of the extrusion plate. The bottom of the extrusion spring penetrates through the movable plate and is fixedly connected with the support plate. The injection molding device for toothbrush production utilizes the motor fixed at the bottom of the main body to drive the motor wheel connected at the top to rotate, which in turn drives the transmission wheel movably connected with the belt to rotate. The transmission wheel drives the movable plate movably connected with the screw at the top to move, and the movable plate drives the lower mold fixed at the top to move. The support plate connected at the bottom of the movable plate exerts pressure on the extrusion spring, and the extrusion spring pushes the extrusion plate through the elastic force to take out the formed handle, thereby improving the efficiency of the injection molding device in taking out the formed handle. Currently, toothbrushes generally need to be injection molded twice, which can form a soft rubber coating on the toothbrush handle to prevent slipping and facilitate the use of the toothbrush. SUMMARY

[0004] In view of the deficiencies of the prior art, the present application provides a toothbrush handle injection molding equipment for recycling biomass plastic waste, which can be injection molded twice. At the same time, during the discharging process, the injection molding process will not be affected, and the injection molding efficiency of the device will not be affected.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a toothbrush handle injection molding equipment for recycling biomass plastic waste, comprising an injection molding equipment main body, an upper mold and a lower mold. The lower mold comprises a ring mold, and the outer side of the ring mold is provided with a lower mold one and a lower mold two, respectively. The lower mold one and the lower mold two are fixedly connected with the injection molding equipment main body. The upper surfaces of the lower mold one and the lower mold two are provided with a toothbrush handle injection molding cavity. The upper surface of the ring mold is provided with a toothbrush head injection molding cavity. The toothbrush handle injection molding cavity and the toothbrush head injection molding cavity can form a toothbrush injection molding cavity. The upper mold comprises an upper mold one and an upper mold two. When the upper mold one and the upper mold two are moved down to the lower mold one and the lower mold two, the mold closing of the upper mold and the lower mold can be completed. The inner wall of the injection molding equipment main body is fixedly connected with a support plate, and a driving mechanism is arranged above the support plate.

[0006] Preferably, the driving mechanism comprises a motor fixedly connected with the support plate, and the driving end of the motor is fixedly connected with a rotating shaft, the outer wall of the rotating shaft is fixedly sleeved with a missing top wheel, and one end of the rotating shaft is fixedly connected with a missing gear, the lower surface of the ring mold is fixedly connected with a rectangular rod, one end of the rectangular rod penetrates through the injection molding equipment body and extends to the inside of the injection molding equipment body, the outer wall of the rectangular rod is slidably sleeved with an inner sleeve one and an inner sleeve two, the inner sleeve one is rotatably connected with the injection molding equipment body, the inner sleeve two is rotatably connected with the support plate, the outer wall of the inner sleeve two is fixedly sleeved with a full gear, and the full gear is located on the side of the missing gear, and the outer wall of the rectangular rod is fixedly sleeved with a top plate, and the top plate is located above the missing top wheel.

[0007] Preferably, the lower surface of the top plate is provided with a plurality of limiting holes, and a limiting shaft is arranged in the limiting hole, and one end of the limiting shaft is fixedly connected with the support plate.

[0008] Preferably, the upper end of the limiting shaft and the lower end of the limiting hole are both provided with a chamfer.

[0009] Preferably, the lower end of the rectangular rod is fixedly connected with a bottom plate one, and a supporting spring is arranged below the bottom plate one and fixedly connected with the inner wall of the injection molding equipment body.

[0010] Preferably, the upper end of the supporting spring is fixedly connected with a bottom plate two, and the bottom plate two is arranged below the bottom plate one, the lower surface of the bottom plate one is provided with a clamping groove, and a ball is arranged in the clamping groove, and one side wall of the ball is in contact with the bottom plate two.

[0011] Preferably, the inner wall of the injection molding equipment body is fixedly connected with a limiting rod, and one end of the limiting rod penetrates through the bottom plate two, and the limiting rod is slidably connected with the bottom plate two.

[0012] Compared with the prior art, the present application has the following advantages: 1、 The present application can complete secondary injection at one time when injecting toothbrushes, so that toothbrushes that need to be injected twice can be completed in one device, improving the efficiency of injection, thereby saving the time needed for toothbrushes that need to be injected twice, and the products after injection can be transferred to one side of the lower mold one and the lower mold two, and the toothbrush handle can be discharged during the next injection, so that the injection process will not be delayed, thereby ensuring the efficiency of injection, and the toothbrush handle that needs to be discharged is limited by the ring mold, so that the position of the toothbrush handle that needs to be discharged is fixed, facilitating the taking of mechanical equipment, and making the device very suitable for mechanical equipment discharge.

[0013] 2、 The present application, by setting motor, rotating shaft and gear with missing teeth, etc. are used in cooperation, so that the motor can drive the ring mold up at the same time, the motor can also drive the rotation of the ring mold, and when driving the ring mold up or rotating, it is realized by mechanical structure, without special control, thereby reducing the cost of manufacturing the device.

[0014] 3、 The present application, by setting the limiting hole and the limiting shaft, can limit the top plate and the ring mold, etc. to ensure the accuracy of the position of the ring mold, and the limiting shaft is released from the limiting position, without special control, when the motor drives the ring mold up, it can be automatically released, so that the limiting shaft does not affect the rotation of the ring mold. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a schematic diagram of the overall structure of the present application; Figure 2 is a schematic diagram of the local structure of the present application; Figure 3 is a schematic diagram of the local structure of the present application; Figure 4 is Figure 3 is a schematic diagram of the structure of the enlarged portion A; Figure 5 is Figure 3 is a schematic diagram of the structure of the enlarged portion B; Fig. 6 is a schematic diagram of the local structure of the present application; Fig. 7 is a schematic diagram of the local structure of the present application; Fig. 8 is a schematic diagram of the motor structure of the present application.

[0016] In the figure: 1, injection molding equipment main body; 2, upper mold; 3, lower mold; 4, ring mold; 5, lower mold one; 6, lower mold two; 7, brush handle injection cavity; 8, brush head injection cavity; 9, toothbrush injection cavity; 10, upper mold one; 11, upper mold two; 12, support plate; 13, motor; 14, rotating shaft; 15, missing tooth gear; 16, gear with missing teeth; 17, square rod; 18, inner sleeve one; 19, inner sleeve two; 20, full tooth gear; 21, top plate; 22, limiting hole; 23, limiting shaft; 24, bottom plate one; 25, supporting spring; 26, bottom plate two; 27, ball; 28, limiting rod. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all.

[0018] Please refer to Figures 1 to 8The utility model provides a kind of injection molding equipment for biomass plastic waste recycling toothbrush handle, including injection molding equipment main body 1, upper mould 2 and lower mould 3, lower mould 3 includes ring mould 4, and the outside of ring mould 4 is separately provided with lower mould one 5 and lower mould two 6, lower mould one 5 and lower mould two 6 are fixedly connected with injection molding equipment main body 1, the upper surface of lower mould one 5 and lower mould two 6 is provided with brush handle injection molding cavity 7, the upper surface of ring mould 4 is provided with brush head injection molding cavity 8, brush handle injection molding cavity 7 and brush head injection molding cavity 8 can constitute toothbrush injection molding cavity 9, upper mould 2 includes upper mould one 10 and upper mould two 11, when upper mould one 10 and upper mould two 11 move down on lower mould one 5 and lower mould two 6, the mould of upper mould 2 and lower mould 3 can be completed, the inner wall of injection molding equipment main body 1 is fixedly connected with support plate 12, and the upper side of support plate 12 is provided with driving mechanism.

[0019] From the above structure can know: the present device can complete twice injection molding when injection molding toothbrush, so that the toothbrush needing twice injection molding can be completed in an equipment, improve the efficiency of injection molding, to save the time of toothbrush needing twice injection molding.

[0020] Further, the driving mechanism includes a motor 13 fixedly connected with the support plate 12, and the driving end of the motor 13 is fixedly connected with a rotating shaft 14. The outer wall of the rotating shaft 14 is fixedly sleeved with a missing top wheel 15, and one end of the rotating shaft 14 is fixedly connected with a missing gear 16. The lower surface of the ring mold 4 is fixedly connected with a rectangular rod 17, and one end of the rectangular rod 17 penetrates through the injection molding equipment main body 1 and the support plate 12 and extends into the injection molding equipment main body 1. The outer wall of the rectangular rod 17 is slidably sleeved with an inner sleeve one 18 and an inner sleeve two 19. The inner sleeve one 18 is rotatably connected with the injection molding equipment main body 1, and the inner sleeve two 19 is rotatably connected with the support plate 12. The outer wall of the inner sleeve two 19 is fixedly sleeved with a full gear 20, and the full gear 20 is located on one side of the missing gear 16. The outer wall of the rectangular rod 17 is fixedly sleeved with a top plate 21, and the top plate 21 is located above the missing top wheel 15. By setting the motor 13, the rotating shaft 14, and the missing gear 16, the motor 13 can drive the ring mold 4 to move up, and the motor 13 can also drive the ring mold 4 to rotate. Whether to drive the ring mold 4 to move up or rotate is realized by mechanical structure, without special control, thereby reducing the cost of manufacturing the device.

[0021] Further, the lower surface of the top plate 21 is provided with a plurality of limiting holes 22, and the limiting holes 22 are provided with limiting shafts 23. One end of the limiting shaft 23 is fixedly connected with the support plate 12. By setting the limiting holes 22 and the limiting shafts 23, the top plate 21 and the ring mold 4 can be limited, thereby ensuring the accuracy of the position of the ring mold 4.

[0022] Further, the upper end of the limiting shaft 23 and the lower end of the limiting hole 22 are both provided with chamfers. By setting the chamfers, the limiting shaft 23 can be easily inserted into the limiting hole 22.

[0023] Further, the lower end of the rectangular rod 17 is fixedly connected with the bottom plate one 24, and the bottom plate one 24 is provided below the support spring 25, and the support spring 25 is fixedly connected with the inner wall of the injection molding equipment body 1; by arranging the support spring 25, the rectangular rod 17 and the ring mold 4 can be supported to some extent, and then the motor 13 drives other structures to lift the ring mold 4.

[0024] Further, the upper end of the support spring 25 is fixedly connected with the bottom plate two 26, and the bottom plate two 26 is arranged below the bottom plate one 24, the lower surface of the bottom plate one 24 is provided with a clamping groove, and the clamping groove is provided with a ball 27, and one side wall of the ball 27 is in contact with the bottom plate two 26; by arranging the bottom plate two 26, the support spring 25 can be protected, and by arranging the ball 27, the friction between the bottom plate one 24 and the bottom plate two 26 can be reduced, and then the rotation of the ring mold 4 is facilitated.

[0025] Further, the inner wall of the injection molding equipment body 1 is fixedly connected with a limiting rod 28, one end of the limiting rod 28 penetrates through the bottom plate two 26, and the limiting rod 28 is in sliding connection with the bottom plate two 26; by arranging the limiting rod 28, the stability of the bottom plate two 26 during movement can be ensured.

[0026] In the present application, when in use, the injection molding equipment body 1 drives the upper mold 2 to move downward, so that the upper mold 2 is combined with the lower mold 3, and when the molds are combined, the upper mold one 10 performs injection molding toward the toothbrush injection cavity 9 formed by the lower mold one 5 and the ring mold 4, to form a toothbrush handle main body, the upper mold 2 moves upward to separate the molds, and then the motor 13 is started, the started motor 13 drives the rotating shaft 14 to rotate, the rotating rotating shaft 14 drives the missing top wheel 15 and the missing tooth wheel 16 to rotate, after the missing top wheel 15 rotates by a certain angle, the missing top wheel 15 lifts the top plate 21, the rectangular rod 17 and the ring mold 4, so that the ring mold 4 moves upward, the upward moving ring mold 4 drives the toothbrush handle main body to move upward, so that the toothbrush handle main body is separated from the brush handle injection cavity 7 of the lower mold one 5, and at the same time, when the top plate 21 moves upward, the limiting hole 22 is separated from the limiting shaft 23, and the limiting is released; After the motor 13 continues to drive the rotating shaft 14, the missing top wheel 15 and the missing tooth wheel 16 to rotate by 120 degrees, the missing tooth wheel 16 rotates to a position where it is engaged with the full tooth wheel 20, so that the missing tooth wheel 16 can drive the full tooth wheel 20 to rotate, the rotating full tooth wheel 20 drives the inner sleeve two 19 to rotate, the rotating inner sleeve two 19 drives the rectangular rod 17 and the ring mold 4 to rotate, the rotating ring mold 4 drives the toothbrush handle main body to rotate, and when the toothbrush handle main body rotates to above the brush handle injection cavity 7 of the lower mold two 6, the missing tooth wheel 16 is separated from the engagement with the full tooth wheel 20, and then the missing part of the missing top wheel 15 rotates to a position where it is in contact with the top plate 21, so that the top plate 21 loses support, at this time, the top plate 21, the rectangular rod 17 and the ring mold 4 move downward under the action of gravity, the downward moving ring mold 4 drives the toothbrush handle main body to move downward, so that the toothbrush handle main body falls into the brush handle injection cavity 7 of the lower mold two 6; When the top plate 21 moves down, the limiting hole 22 on the top plate 21 can fall on the limiting shaft 23 again, and through the limiting hole 22 and the limiting shaft 23, the accuracy of the device position can be ensured, and then the toothbrush handle body can be correctly fallen into the brush handle injection cavity 7 of the lower mold two 6; Then the injection equipment main body 1 can drive the upper mold 2 to move down, so that the upper mold two 11 of the upper mold 2 and the lower mold two 6 of the lower mold 3 are combined outside the toothbrush handle body, and the glue injection molding outside the toothbrush handle body is performed, at the same time, the upper mold one 10 and the lower mold one 5 perform injection molding of the next toothbrush handle body; After the glue injection molding and the injection molding of the next toothbrush handle body are completed, the motor 13 can drive the upper movement and rotation of the ring mold 4 by 120 degrees, so that the toothbrush handle after the glue injection molding is completed is turned to one side of the lower mold one 5 and the lower mold two 6, and during the next injection molding, the toothbrush handle can be discharged, so that during the discharging, the injection molding is not delayed, and then the injection molding efficiency can be ensured, and the toothbrush handle needing to be discharged has the limiting of the ring mold 4, so that the position of the toothbrush handle needing to be discharged is fixed, the mechanical equipment is convenient to take, and the device is very suitable for the mechanical equipment discharging.

[0027] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A toothbrush handle injection molding equipment for biomass plastic waste recycling, comprising an injection molding equipment main body (1), an upper mold (2) and a lower mold (3), characterized in that, The lower mold (3) comprises a ring mold (4), and the outer side of the ring mold (4) is provided with a lower mold one (5) and a lower mold two (6) respectively, the lower mold one (5) and the lower mold two (6) are fixedly connected with the injection molding equipment body (1), the upper surface of the lower mold one (5) and the lower mold two (6) is provided with a brush handle injection cavity (7), the upper surface of the ring mold (4) is provided with a brush head injection cavity (8), the brush handle injection cavity (7) and the brush head injection cavity (8) can constitute a toothbrush injection cavity (9), the upper mold (2) comprises an upper mold one (10) and an upper mold two (11), when the upper mold one (10) and the upper mold two (11) are moved down to the lower mold one (5) and the lower mold two (6), the mold closing of the upper mold (2) and the lower mold (3) can be completed, the inner wall of the injection molding equipment body (1) is fixedly connected with a supporting plate (12), and the upper side of the supporting plate (12) is provided with a driving mechanism.

2. The toothbrush handle injection molding equipment for biomass plastic waste recycling according to claim 1, characterized in that, The driving mechanism comprises a motor (13) fixedly connected with the supporting plate (12), and the driving end of the motor (13) is fixedly connected with a rotating shaft (14), the outer wall of the rotating shaft (14) is fixedly sleeved with a missing top wheel (15), and one end of the rotating shaft (14) is fixedly connected with a missing tooth gear (16), the lower surface of the ring mold (4) is fixedly connected with a rectangular rod (17), one end of the rectangular rod (17) penetrates through the injection molding equipment body (1) and the supporting plate (12) and extends to be arranged inside the injection molding equipment body (1), the outer wall of the rectangular rod (17) is slidably sleeved with an inner sleeve one (18) and an inner sleeve two (19), the inner sleeve one (18) is rotatably connected with the injection molding equipment body (1), the inner sleeve two (19) is rotatably connected with the supporting plate (12), the outer wall of the inner sleeve two (19) is fixedly sleeved with a full tooth gear (20), and the full tooth gear (20) is arranged on the side of the missing tooth gear (16), the outer wall of the rectangular rod (17) is fixedly sleeved with a top plate (21), and the top plate (21) is arranged above the missing top wheel (15).

3. The toothbrush handle injection molding apparatus for biomass plastic waste recycling of claim 2, wherein, The lower surface of the top plate (21) is provided with a plurality of limiting holes (22), and the limiting holes (22) are provided with limiting shafts (23), one end of the limiting shaft (23) is fixedly connected with the supporting plate (12).

4. The toothbrush handle injection molding apparatus for biomass plastic waste recycling of claim 3, wherein, The upper end of the limiting shaft (23) and the lower end of the limiting hole (22) are both provided with chamfers.

5. The toothbrush handle injection molding apparatus for biomass plastic waste recycling according to claim 2, wherein, The lower end of the rectangular rod (17) is fixedly connected with a bottom plate one (24), the lower side of the bottom plate one (24) is provided with a supporting spring (25), and the supporting spring (25) is fixedly connected with the inner wall of the injection molding equipment body (1).

6. The toothbrush handle injection molding apparatus for biomass plastic waste recycling of claim 5, wherein, The upper end of the supporting spring (25) is fixedly connected with a bottom plate two (26), and the bottom plate two (26) is arranged below the bottom plate one (24), the lower surface of the bottom plate one (24) is provided with a clamping groove, and the clamping groove is provided with a ball (27), one side wall of the ball (27) is in contact with the bottom plate two (26).

7. The toothbrush handle injection molding apparatus for biomass plastic waste recycling of claim 6, wherein, The inner wall of the injection molding equipment body (1) is fixedly connected with a limiting rod (28), and one end of the limiting rod (28) penetrates through the bottom plate two (26) and is arranged, the limiting rod (28) is slidably connected with the bottom plate two (26).

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