Injection molding toothbrush integrated equipment

Abstract

The invention belongs to the technical field of toothbrush injection molding, and particularly relates to injection molding toothbrush integrated equipment which comprises a fixed base, an injection molding part is arranged on the upper portion of the fixed base, the injection molding part is connected with the input end of external feeding equipment, and molten raw materials are discharged into the injection molding part through the external feeding equipment for molding; a pushing part is arranged on one side of the injection molding part and can be used for extruding and pushing out a molded product in the injection molding part for demolding by utilizing power generated when the injection molding part is opened after the molding of the injection molding part is finished; a spraying part is arranged on the upper portion of the injection molding part and can descend into the injection molding part through power generated when the injection molding part is opened, and a release agent is sprayed into the injection molding part. Injection molding, demolding and spraying procedures are controlled in a linkage mode through a single power source, a multi-stage progressive demolding mechanism and a precise spraying technology are combined, efficient and low-consumption production is achieved, the product quality is improved, and the service life of a mold is prolonged.

Description

Technical Field

[0001] The invention belongs to the technical field of toothbrush injection molding, and in particular relates to an integrated injection molding toothbrush device. Background Art

[0002] Traditional toothbrush injection molding equipment usually adopts an independent modular design, and the injection, demolding and spraying processes need to rely on multiple independent power sources (such as cylinders, motors, etc.) to be executed step by step. This design not only leads to a complex equipment structure and a large footprint, but also has problems such as high energy consumption and insufficient operating stability due to the poor synergy of multiple power sources. For example, in the demolding stage, the product is often forced out by an independent cylinder or motor-driven ejector. The instantaneous thrust concentration can easily cause excessive stress in the local part of the toothbrush handle, causing deformation or surface scratches; at the same time, the traditional ejector demolding lacks a progressive separation mechanism, which can easily cause the product to stick to the mold or incomplete demolding, requiring secondary manual intervention, further reducing efficiency. In the spraying process, the application of the release agent usually relies on manual operation or an additionally configured robotic arm. The former has uneven spraying, waste of consumables and personnel safety hazards, while the latter requires a complex motion control program, which increases equipment cost and maintenance difficulty. In addition, the spraying accuracy is greatly affected by the positioning error of the robotic arm, making it difficult to achieve full coverage and uniform spraying of the mold cavity.

[0003] As the market demands for personalized, lightweight and high-quality toothbrushes, the limitations of traditional equipment in terms of efficiency, energy consumption and yield rate are becoming increasingly prominent. Therefore, a highly integrated, power-coordinated integrated injection molding equipment is needed to optimize process connections through mechanical linkage, reduce power redundancy, and introduce adaptive demoulding and precision spraying technology to break through the existing production bottleneck and meet the needs of mass production of toothbrushes with high efficiency, low loss and high consistency. Summary of the invention

[0004] The purpose of the present invention is to provide an integrated injection molding toothbrush device, which can control the injection molding, demolding and spraying processes through a single power source, combine a multi-stage progressive demolding mechanism with precise spraying technology, achieve high-efficiency and low-consumption production, and improve product quality and mold life.

[0005] The technical solution adopted by the present invention is as follows: An injection molding toothbrush integrated device comprises a fixed base, an injection molding part is arranged on the upper part of the fixed base, the injection molding part is connected to the input end of an external feeding device, and the melted raw material is discharged into the injection molding part through the external feeding device for shaping; A pusher is provided on one side of the injection molding part, and the pusher can use the power of the injection molding part when the injection molding part is opened to squeeze out the product that has been molded inside the injection molding part for demoulding after the molding of the injection molding part is completed; The upper part of the injection molding section is provided with a spraying section. The spraying section can descend into the interior of the injection molding section by using the power when the injection molding section is opened, and spray a demolding agent into the interior of the injection molding section. The injection molding section includes a fixing plate, an extrusion cylinder, a linkage beam, a sliding seat, an elastic extrusion member, a linkage rod, and a lifting seat. The fixing plate is fixedly connected to the upper part of the fixed base. One end of the extrusion cylinder is fixedly connected to the upper part of the fixed base. One end of the linkage beam is fixedly connected to the output end of the extrusion cylinder, and the linkage beam is fixedly connected to the interior of the fixed base. The sliding seat is fixedly connected to the other end of the linkage beam. The elastic extrusion member is arranged inside the linkage beam, and one end of the elastic extrusion member is fixedly connected to the interior of the linkage beam. The other end of the elastic extrusion member is in contact with the pushing section. A plurality of groups of linkage rods are provided. One end of each linkage rod is rotatably connected to the upper parts of the corresponding fixing plate and the sliding seat respectively. Both ends of the lifting seat are rotatably connected to the other ends of the corresponding linkage rods respectively.

[0006] In a preferred solution, sliding grooves are formed on both sides of the fixing plate, and the interior of the sliding grooves is slidably connected to the linkage beam.

[0007] In a preferred solution, the pushing section includes a follower seat, an extrusion plate, a mounting seat, a guiding plate, a pushing seat, a pushing rod, a limiting rod, and an elastic resetting member. The follower seat is slidably connected to the interior of the linkage beam, and the interior of the follower seat is in contact with the elastic extrusion member. The extrusion plate is fixedly connected to the follower seat. The mounting seat is fixedly connected to one side of the fixing plate. The guiding plates are arranged on the upper and lower surfaces of the mounting seat, and the guiding plates are slidably connected to the corresponding extrusion plates. The pushing seat is slidably arranged inside the mounting seat. One end of the pushing rod is fixedly connected to one end of the pushing seat, and the other end of the pushing rod is slidably connected to the interior of the fixing plate. The limiting rod is slidably arranged inside the pushing seat, and both the upper and lower ends of the limiting rod are slidably connected to the interiors of the extrusion plate and the guiding plate. The elastic resetting member is arranged between the pushing seat and the mounting seat.

[0008] In a preferred solution, rotating sleeves are rotatably arranged at both the upper and lower ends of the limiting rod, and the outer edges of the rotating sleeves are in contact with the interiors of the extrusion plate and the guiding plate.

[0009] In a preferred solution, a first extrusion groove is formed inside the extrusion plate, and the interior of the first extrusion groove is divided into an inclined extrusion section and a horizontal stationary section.

[0010] In a preferred solution, a first pushing groove is formed inside the guiding plate, and a longitudinal pushing section and a transverse sliding section are formed inside the first pushing groove.

[0011] In a preferred solution, a second extrusion groove is formed inside the extrusion plate, and the interior of the second extrusion groove is only an inclined extrusion section.

[0012] In a preferred embodiment, a second pushing groove is further formed inside the guiding plate, and a longitudinal pushing section, a transverse sliding section and a longitudinal ejecting section are formed inside the second pushing groove.

[0013] In a preferred embodiment, the spraying part includes a mounting frame, a storage tank, a transfer pump, a spray rod, a rotating gear, a rack and an electric push rod. The mounting frame is fixedly connected to the lifting seat. The storage tank is fixedly connected to the inside of the mounting frame. The transfer pump is fixedly connected to the inside of the mounting frame. The input end of the transfer pump is connected to the inside of the storage tank. The spray rod is rotatably arranged at the lower end of the mounting frame. The rotating gear is fixedly connected to the middle of the spray rod. The rack is slidably connected to the inside of the mounting frame. The rack meshes with the outer edge of the rotating gear. The electric push rod is fixedly connected to the inside of the mounting frame. The output end of the electric push rod is fixedly connected to the upper end of the rack.

[0014] In a preferred embodiment, the nozzle of the spray rod is arranged as a flat fan shape.

[0015] The technical effects achieved by the present invention are as follows: By adopting an extrusion cylinder as a single power source, the present invention realizes the linkage control of the injection molding, demolding and spraying processes. The linkage beam and the sliding seat of the injection molding part are accurately opened and closed under the drive of the cylinder, synchronously triggering the elastic extrusion part of the pushing part to drive the multi-stage demolding action and the lifting and spraying of the lifting seat of the spraying part. This design abandons the traditional multi-motor drive mode and uses a mechanical transmission chain to decompose the cylinder power into vertical and horizontal two-way movements, which not only reduces the energy consumption, but also accurately controls the insertion depth of the spraying part through a rhombic four-bar structure, ensuring seamless connection of the processes, greatly shortening the single-cycle operation time and significantly improving the die opening and closing accuracy. The present invention adopts the design of the pushing part. Through the stepped cooperation of the first extrusion groove and the second extrusion groove and the displacement difference design of the first pushing groove and the second pushing groove, two groups of pushing rods are driven to perform differential demolding actions. In the first-stage demolding stage, the two pushing rods are ejected synchronously to apply an initial demolding force. In the second-stage demolding, the single rod is delayed and retracted through the transverse sliding section to form a progressive separation effect. In the third-stage demolding stage, the ejecting section is pushed forward again to completely separate the product from the mold. This multi-stage demolding mechanism effectively reduces the demolding resistance, avoids scratching or deformation of the product surface, and significantly improves the demolding success rate and product quality. The present invention adopts the design of a spraying part, which is linked with a lifting seat through a linkage rod and automatically descends into the casting cavity when the mold is separated. The electric push rod drives the rack to drive the gear to rotate, realizing the multi-angle swing of the spray rod. The nozzle adopts a flat fan-shaped nozzle design, and the flow rate of the mold release agent is precisely controlled in combination with a transfer pump to form a uniform linear spraying coverage. This automated spraying system requires no manual intervention, and the spraying angle and dosage are adjustable, ensuring that the mold release agent is evenly attached to the mold surface, reducing raw material waste, extending the service life of the mold, and ensuring production continuity and consistency. Description of the Drawings

[0016] Figure 1 is the overall schematic diagram of the embodiment of the present invention; Figure 2 is the overall internal schematic diagram of the embodiment of the present invention; Figure 3 is the schematic diagram of the injection part of the embodiment of the present invention being opened; Figure 4 is the overall internal exploded view of the embodiment of the present invention; Figure 5 is the exploded view of the injection part of the embodiment of the present invention; Figure 6 is the exploded view of the pushing part of the embodiment of the present invention; Figure 7 is the schematic diagram of the limiting rod of the embodiment of the present invention; Figure 8 is the exploded view of the spraying part of the embodiment of the present invention; Figure 9 is the side cross-sectional view of the spraying part of the embodiment of the present invention; Figure 10 is the schematic diagram of the extrusion plate of the pushing part of the embodiment of the present invention; Figure 11 is the schematic diagram of the guide plate of the pushing part of the embodiment of the present invention; Figure 12 is the schematic diagram of the extrusion plate being pushed and moved in the pushing part of the embodiment of the present invention; Figure 13 is the schematic diagram of the limiting rod being inside the sliding section of the second pushing groove in the embodiment of the present invention; Figure 14 is the schematic diagram of the limiting rod being inside the extrusion section of the first extrusion groove in the embodiment of the present invention; Figure 15 is the schematic diagram of the limiting rod being inside the pushing section of the first pushing groove in the embodiment of the present invention; Figure 16 is the schematic diagram of the limiting rod being inside the stationary section of the first extrusion groove in the embodiment of the present invention; Figure 17 is the schematic diagram of the limiting rod being inside the ejecting section of the second pushing groove in the embodiment of the present invention; Figure 18 It is a schematic diagram of the position where the embodiment pushing part of the present invention fully pushes out the extrusion plate; Figure 19 It is a schematic diagram of the position where the embodiment pushing part of the present invention fully pushes out the guide plate.

[0017] In the attached drawings, the list of components represented by each reference numeral is as follows: 1. Fixed base; 2. Injection molding part; 201. Fixed plate; 202. Extrusion cylinder; 203. Linking beam; 204. Sliding seat; 205. Elastic extrusion part; 206. Linking rod; 207. Lifting seat; 3. Pushing part; 301. Follow-up seat; 302. Extrusion plate; 3021. First extrusion groove; 3022. Second extrusion groove; 303. Mounting seat; 304. Guide plate; 3041. First pushing groove; 3042. Second pushing groove; 305. Pushing seat; 306. Pushing rod; 307. Limiting rod; 3071. Rotating sleeve; 308. Elastic reset part; 4. Spraying part; 401. Mounting frame; 402. Storage tank; 403. Delivery pump; 404. Spray rod; 405. Rotating gear; 406. Rack; 407. Electric push rod. Detailed implementation manners

[0018] In order to make the above objects, features and advantages of the present invention more obvious and understandable, the following detailed description of the specific implementation manners of the present invention will be made in conjunction with the accompanying drawings of the specification.

[0019] In the following description, many specific details are set forth in order to fully understand the present invention, but the present invention can also be implemented in other ways different from those described herein. Those skilled in the art can make similar generalizations without departing from the connotation of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed below.

[0020] Secondly, the so-called "one embodiment" or "embodiment" herein refers to a specific feature, structure or characteristic that can be included in at least one implementation manner of the present invention. The "in a preferred embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment that mutually excludes other embodiments.

[0021] Thirdly, the present invention is described in detail in conjunction with schematic diagrams. When describing the embodiments of the present invention in detail, for the convenience of explanation, the cross-sectional views showing the device structure will be enlarged locally not in accordance with the general scale, and the schematic diagrams are only examples and should not limit the scope of protection of the present invention herein. In addition, in actual production, three-dimensional spatial dimensions including length, width and depth should be included.

[0022] Please refer to Figures 1 to 19As shown in the figure, the present invention provides an integrated injection molding toothbrush device, including a fixed base 1. An injection molding part 2 is arranged on the upper part of the fixed base 1. The injection molding part 2 is connected to the input end of an external feeding device. The melted raw material is discharged into the interior of the injection molding part 2 by the external feeding device for shaping. A pushing part 3 is arranged on one side of the injection molding part 2. After the injection molding part 2 finishes shaping, the pushing part 3 can use the power when the injection molding part 2 opens to squeeze and push out the product that has been shaped inside the injection molding part 2 for demolding. A spraying part 4 is arranged on the upper part of the injection molding part 2. The spraying part 4 can use the power when the injection molding part 2 opens to descend into the interior of the injection molding part 2 and spray a demolding agent inside the injection molding part 2. The injection molding part 2 includes a fixed plate 201, an extrusion cylinder 202, a linkage beam 203, a sliding seat 204, an elastic extrusion member 205, a linkage rod 206 and a lifting seat 207. The fixed plate 201 is fixedly connected to the upper part of the fixed base 1. One end of the extrusion cylinder 202 is fixedly connected to the upper part of the fixed base 1. One end of the linkage beam 203 is fixedly connected to the output end of the extrusion cylinder 202, and the linkage beam 203 is fixedly connected to the interior of the fixed base 1. The sliding seat 204 is fixedly connected to the other end of the linkage beam 203. The elastic extrusion member 205 is arranged inside the linkage beam 203, and one end of the elastic extrusion member 205 is fixedly connected to the interior of the linkage beam 203. The other end of the elastic extrusion member 205 is in contact with the pushing part 3. A plurality of groups of linkage rods 206 are arranged. One end of each linkage rod 206 is rotatably connected to the upper parts of the corresponding fixed plate 201 and the sliding seat 204 respectively. Both ends of the lifting seat 207 are rotatably connected to the other ends of the corresponding linkage rods 206 respectively.

[0023] Specifically, when the fixed plate 201 and the sliding seat 204 are in a combined state, the external feeding device squeezes the melted raw material into the shaping cavity between the fixed plate 201 and the sliding seat 204, so that the raw material is shaped into the shape of a toothbrush handle. Then the extrusion cylinder 202 contracts to drive the movement of the linkage beam 203. The movement of the linkage beam 203 drives the movement of the sliding seat 204, so that the fixed plate 201 and the sliding seat 204 are separated, and the formed toothbrush handle is exposed from the interior of the fixed plate 201, completing the shaping and exposure of the toothbrush handle. At the same time, the movement of the linkage beam 203 can drive the pushing part 3 to move out of the interior of the fixed plate 201 and push out the toothbrush handle inside the fixed plate 201 to separate it, so that the toothbrush handle falls out of the interior of the fixed plate 201 and the sliding seat 204, completing the demolding of the toothbrush handle. Meanwhile, during the process of the sliding seat 204 separating from the fixed plate 201, the fixed plate 201 and the sliding seat 204 pull one end of the linkage rod 206 to move, and the linkage rod 206 drives the lifting seat 207 at the other end to move downward, so that the spraying part 4 at the lifting seat 207 gradually enters between the fixed plate 201 and the sliding seat 204. After the toothbrush handle drops, the spraying part 4 sprays the release agent inside the casting cavity between the fixed plate 201 and the sliding seat 204, and realizes the automatic spraying of the release agent through the spraying part 4; After the toothbrush handle drops and the release agent is sprayed, the extrusion cylinder 202 extends to drive the linkage beam 203 to move, and the movement of the linkage beam 203 drives the sliding seat 204 to fit together with the fixed plate 201 again to re-form the casting cavity; Meanwhile, since the fixed plate 201 and the sliding seat 204 squeeze one end of the linkage rod 206 to move, the linkage rod 206 drives the lifting seat 207 at the other end to move upward, so that the spraying part 4 at the lifting seat 207 gradually moves out between the fixed plate 201 and the sliding seat 204, completing the automatic storage of the spraying part 4; Meanwhile, the movement of the linkage beam 203 can drive the elastic extrusion part 205 to squeeze the pushing part 3, so that the pushing part 3 gradually contracts into the fixed plate 201, completing the automatic contraction of the pushing part 3; By utilizing the power when the extrusion cylinder 202 expands and contracts to realize the automatic linkage of the opening and closing of the fixed plate 201 and the sliding seat 204, the extension and storage of the spraying part 4, and the extension and storage of the pushing part 3, the full utilization of the power of the extrusion cylinder 202 is achieved.

[0024] Please refer to Figures 2 to 5 As shown, sliding grooves are formed on both sides of the fixed plate 201, and the inside of the sliding grooves is slidably connected with the linkage beam 203. The sliding grooves provide guidance and limit for the sliding of the linkage beam 203, so as to ensure that when the sliding seat 204 is driven by the linkage beam 203, it can accurately fit and close with the fixed plate 201, improving the stability when the fixed plate 201 and the sliding seat 204 are fitted and separated.

[0025] Please refer to Figures 2 to 4 and Figure 6 、 Figure 7As shown in the figure, the pushing part 3 includes a follower seat 301, a pressing plate 302, a mounting seat 303, a guide plate 304, a pushing seat 305, a pushing rod 306, a limiting rod 307 and an elastic resetting member 308. The follower seat 301 is slidably connected to the inside of the linkage beam 203, and the inside of the follower seat 301 is in contact with the elastic pressing member 205. The pressing plate 302 is fixedly connected to the follower seat 301. The mounting seat 303 is fixedly connected to one side of the fixing plate 201. The guide plate 304 is arranged on the upper and lower surfaces of the mounting seat 303, and the guide plate 304 is slidably connected to the corresponding pressing plate 302. The pushing seat 305 is slidably arranged inside the mounting seat 303. One end of the pushing rod 306 is fixedly connected to one end of the pushing seat 305, and the other end of the pushing rod 306 is slidably connected to the inside of the fixing plate 201. The limiting rod 307 is slidably arranged inside the pushing seat 305, and both the upper and lower ends of the limiting rod 307 are slidably connected to the inside of the pressing plate 302 and the guide plate 304. The elastic resetting member 308 is arranged between the pushing seat 305 and the mounting seat 303; When the linkage beam 203 squeezes and pushes the follower seat 301, the follower seat 301 drives the pressing plate 302 to move together. The movement of the pressing plate 302 can squeeze the limiting rod 307, enabling the limiting rod 307 to move inside the guide plate 304. The movement of the limiting rod 307 can push the pushing seat 305 to move together. The movement of the pushing seat 305 drives the pushing rod 306 to extend out of the inside of the fixing plate 201. The pushing seat 305 also squeezes the elastic resetting member 308. By the extension of the pushing rod 306, the formed toothbrush handle is pushed out of the inside of the fixing plate 201, realizing the demolding of the toothbrush handle; When the linkage beam 203 moves in the reverse direction, the follower seat 301 is pushed by the elastic pressing member 205. At the same time, the elastic resetting member 308 also releases the internal elastic force to push the pushing seat 305 to move in the reverse direction inside the mounting seat 303. The movement of the pushing seat 305 drives the limiting rod 307 to slide and reset inside the guide plate 304 and the pressing plate 302, enabling the pushing seat 305 to drive the contraction of the pushing rod 306 into the inside of the fixing plate 201; Through the linkage between the linkage beam 203 and the pushing part 3, the automatic extension and contraction of the pushing rod 306 are realized, achieving an efficient and reliable automatic demolding operation.

[0026] Please refer to Figure 7 As shown in the figure, rotating sleeves 3071 are rotatably arranged at the upper and lower ends of the limiting rod 307. The outer edge of the rotating sleeve 3071 is in contact with the inside of the pressing plate 302 and the guide plate 304. By rotatably arranging the rotating sleeves 3071 at both ends of the limiting rod 307, the sliding friction at the upper and lower ends of the limiting rod 307 is changed into rotational friction, improving the service life and operation stability of the limiting rod 307.

[0027] Please refer to Figure 10 andFigure 12 , Figure 14 , Figure 16 and Figure 18 As shown, a first extrusion groove 3021 is provided inside the extrusion plate 302 , and the interior of the first extrusion groove 3021 is divided into an inclined extrusion section and a horizontal static section.

[0028] See also Figure 10 , Figure 12 , Figure 14 , Figure 16 and Figure 18 As shown, a first pushing groove 3041 is provided inside the guide plate 304, and a longitudinal pushing section and a transverse sliding section are provided inside the first pushing groove 3041. The first extrusion groove 3021 and the first pushing groove 3041 can drive the limiting rod 307 to move in linkage during the movement.

[0029] In the initial state, the limiting rod 307 is located inside the extrusion section inside the first extrusion groove 3021, and the limiting rod 307 is located inside the longitudinal pushing section of the first pushing groove 3041; The first stage: the extrusion section of the first extrusion groove 3021 can squeeze the limiting rod 307 to slide longitudinally inside the pushing section of the first pushing groove 3041, so that the limiting rod 307 can drive the pushing seat 305 to move, and the movement of the pushing seat 305 can drive the pushing rod 306 to push out of the fixing plate 201. The second stage: as the extrusion plate 302 continues to slide, the limiting rod 307 enters the sliding section inside the first pushing groove 3041. At this time, the extrusion section at the first extrusion groove 3021 can squeeze the limiting rod 307 to slide horizontally in the sliding section inside the first pushing groove 3041. At this time, the limiting rod 307 does not drive the pushing seat 305 to slide and is in a stationary state; The third stage: the extrusion plate 302 continues to slide, and the limiting rod 307 enters the interior of the static section of the first pushing groove 3041. At this time, the limiting rod 307 is still in the interior of the first pushing groove 3041 and is in a static state; Stage 4: the extrusion plate 302 can still continue to slide, and the limiting rod 307 is located inside the static section of the first pushing groove 3041. At this time, the limiting rod 307 is still located inside the first pushing groove 3041 and is in a static state; See also Figure 9 , Figure 11 , Figure 13 , Figure 15 , Figure 17 and Figure 19 As shown, a second extrusion groove 3022 is provided inside the extrusion plate 302 , and the inside of the second extrusion groove 3022 is only an inclined extrusion section.

[0030] See alsoFigure 9 , Figure 11 , Figure 13 , Figure 15 , Figure 17 and Figure 19 As shown in Figure 17 and Figure 19 , a second pushing groove 3042 is further formed inside the guide plate 304. A longitudinal pushing section, a transverse sliding section, and a longitudinal ejecting section are formed inside the second pushing groove 3042.

[0031] In the initial state, the limiting rod 307 is inside the squeezing section inside the second squeezing groove 3022, and the limiting rod 307 is inside the pushing section of the second pushing groove 3042. First stage: The movement of the squeezing plate 302 can squeeze the limiting rod 307 through the second squeezing groove 3022 to move longitudinally in the pushing section inside the second pushing groove 3042, so that the limiting rod 307 can drive the pushing seat 305 to move longitudinally, and the pushing seat 305 can drive the pushing rod 306 to extend. At this time, the corresponding limiting rod 307 inside the first squeezing groove 3021 and the first pushing groove 3041 also drives the corresponding pushing seat 305 to carry the pushing rod 306 to extend out of the fixing plate 201 together, so that the two groups of pushing rods 306 apply pressure to the toothbrush handle inside the fixing plate 201 for primary demolding, ensuring that the toothbrush handle can receive a huge demolding pressure at the initial stage of demolding and ensuring the smooth demolding of the toothbrush handle. It should be noted that the pushing section inside the second pushing groove 3042 has a shorter stroke than the pushing section inside the first pushing groove 3041. Second stage: The squeezing plate 302 continues to move, and the limiting rod 307 moves into the sliding section inside the second pushing groove 3042. At this time, the second squeezing groove 3022 squeezes the limiting rod 307 to slide horizontally inside the second pushing groove 3042, so that the corresponding pushing seat 305 is in a static state. At this time, the corresponding limiting rod 307 inside the first squeezing groove 3021 and the first pushing groove 3041 is still not inside the sliding section of the first pushing groove 3041, so that this corresponding limiting rod 307 still pushes the pushing seat 305 to slide, so that the pushing seat 305 drives the corresponding pushing rod 306 to extend. At this time, the corresponding limiting rod 307 inside the first squeezing groove 3021 and the first pushing groove 3041 and the corresponding limiting rod 307 inside the second squeezing groove 3022 and the second pushing groove 3042 are misaligned, so that the corresponding pushing rods 306 are also misaligned. At this time, the corresponding pushing rods 306 of the second squeezing groove 3022 and the second pushing groove 3042 are separated from the toothbrush handle first, realizing the secondary demolding of the pushing rod 306 and the toothbrush handle. Third stage: The pressing plate 302 continues to move. The limiting rod 307 moves into the ejection section inside the second pushing groove 3042, and the second pressing groove 3022 presses the limiting rod 307 to slide longitudinally again inside the second pushing groove 3042; It should be noted that the lengths of the extrusion section and the ejection section inside the second pushing groove 3042 are longer than the length of the pushing section of the first pushing groove 3041; At this time, the sliding ends of the corresponding limiting rods 307 inside the first pressing groove 3021 and the first pushing groove 3041 that enter the first pushing groove 3041 are in a static state; The longitudinal sliding distance of the limiting rod 307 inside the second pushing groove 3042 is longer, so that this limiting rod 307 can drive the corresponding pushing rod 306 to contact the separated toothbrush handle again. At the same time, as the limiting rod 307 continues to extend, it can press the toothbrush handle to separate the toothbrush handle from the other static pushing rod 306, realizing the complete separation of the toothbrush handle and the pushing rod 306; Through the linkage between the pressing plate 302, the guiding plate 304 and the limiting rod 307, the complete separation between the pushing rod 306 and the toothbrush handle is realized, ensuring the detachment of the toothbrush handle.

[0032] Please refer to Figure 8 and Figure 9 As shown, the spraying part 4 includes a mounting frame 401, a storage tank 402, a delivery pump 403, a spray rod 404, a rotating gear 405, a rack 406 and an electric push rod 407. The mounting frame 401 is fixedly connected to the lifting seat 207. The storage tank 402 is fixedly connected inside the mounting frame 401. The delivery pump 403 is fixedly connected inside the mounting frame 401. The input end of the delivery pump 403 is connected to the inside of the storage tank 402. The spray rod 404 is rotatably arranged at the lower end of the mounting frame 401. The rotating gear 405 is fixedly connected to the middle of the spray rod 404. The rack 406 is slidably connected inside the mounting frame 401. The rack 406 meshes with the outer edge of the rotating gear 405. The electric push rod 407 is fixedly connected inside the mounting frame 401. The output end of the electric push rod 407 is fixedly connected to the upper end of the rack 406.

[0033] Start the delivery pump 403 to deliver the paint in the storage tank 402 to the spray rod 404 through the pipeline; control the telescopic movement of the electric push rod 407 to push the rack 406 to slide up and down inside the mounting frame 401. The rack 406 meshes with the rotating gear 405 to drive the spray rod 404 to rotate around the lower end of the mounting frame 401, thereby adjusting the spraying angle of the spray rod 404; After the angle of the spray rod 404 is adjusted, the demolding machine evenly sprays on the casting cavities of the fixed plate 201 and the sliding seat 204 through the nozzle at the end of the spray rod 404. Through the precise control of the electric push rod 407, multi-angle swinging of the spray rod 404 can be realized; The transmission structure of the rotating gear 405 and the rack 406 realizes stepless angle adjustment of the spray bar 404, improving the uniformity of spray coverage; the electric push rod 407 and the delivery pump 403 cooperate to reduce manual intervention and improve production efficiency.

[0034] Please refer to Figure 8 and Figure 9 As shown, the nozzle of the spray head of the spray bar 404 is set as a flat fan shape, and the linear jet spraying of the release agent on the casting cavities of the fixing plate 201 and the sliding seat 204 is realized through the fan-shaped nozzle, making the spraying effect more intuitive and uniform and improving the spraying effect.

[0035] The working principle of the present invention is as follows: when the fixing plate 201 and the sliding seat 204 are in a combined state, an external feeding device extrudes the molten raw material into the shaping cavity between the fixing plate 201 and the sliding seat 204, so that the raw material is shaped into the shape of a toothbrush handle. Then, the extrusion cylinder 202 contracts to drive the linkage beam 203 to move. The movement of the linkage beam 203 drives the sliding seat 204 to move, separating the fixing plate 201 and the sliding seat 204, and exposing the formed toothbrush handle from the inside of the fixing plate 201, completing the shaping and exposure of the toothbrush handle. At the same time, the movement of the linkage beam 203 can drive the pushing part 3 to move out of the inside of the fixing plate 201 and push out the toothbrush handle inside the fixing plate 201 to separate it, so that the toothbrush handle falls out of the inside of the fixing plate 201 and the sliding seat 204, completing the demolding of the toothbrush handle. At the same time, during the separation of the sliding seat 204 and the fixing plate 201, the fixing plate 201 and the sliding seat 204 pull one end of the linkage rod 206 to move, and the linkage rod 206 drives the lifting seat 207 at the other end to move downward, so that the spraying part 4 at the lifting seat 207 gradually enters between the fixing plate 201 and the sliding seat 204. After the toothbrush handle drops, the spraying part 4 sprays the release agent inside the casting cavity between the fixing plate 201 and the sliding seat 204, realizing the automatic spraying of the release agent through the spraying part 4. After the toothbrush handle drops and the release agent is sprayed, the extrusion cylinder 202 extends to drive the linkage beam 203 to move. The movement of the linkage beam 203 drives the sliding seat 204 to be combined with the fixing plate 201 again, re-forming the casting cavity. At the same time, since the fixing plate 201 and the sliding seat 204 squeeze one end of the linkage rod 206 to move, the linkage rod 206 drives the lifting seat 207 at the other end to move upward, so that the spraying part 4 at the lifting seat 207 gradually moves out of between the fixing plate 201 and the sliding seat 204, completing the automatic storage of the spraying part 4. At the same time, the movement of the linkage beam 203 can drive the elastic extrusion part 205 to squeeze the pushing part 3, so that the pushing part 3 gradually contracts and enters the inside of the fixing plate 201, completing the automatic contraction of the pushing part 3. By making use of the power when the extrusion cylinder 202 expands and contracts, the automation linkage of the opening and closing of the fixed plate 201 and the sliding seat 204, the extension and storage of the spraying part 4, and the extension and storage of the pushing part 3 is realized, so as to make full use of the power of the extrusion cylinder 202.

[0036] The above are only the preferred embodiments of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and retouches can be made, and these improvements and retouches should also be regarded as the protection scope of the present invention. The structures, devices and operation methods not specifically described and explained in the present invention, unless otherwise specified and limited, are implemented according to the conventional means in the art.

Claims

1. An injection molding toothbrush integrated device, characterized in that: It includes a fixed base, an injection molding part is arranged on the upper part of the fixed base, and the injection molding part is connected to the input end of an external feeding device, and the melted raw material is discharged into the injection molding part through the external feeding device for shaping; A pusher is provided on one side of the injection molding part, and the pusher can use the power of the injection molding part when the injection molding part is opened to squeeze out the product that has been molded inside the injection molding part for demoulding after the molding of the injection molding part is completed; The upper part of the injection molding part is provided with a spraying part, and the spraying part can use the power when the injection molding part is opened to descend into the interior of the injection molding part and spray a mold release agent on the interior of the injection molding part; The injection molding part includes a fixed plate, an extrusion cylinder, a linkage beam, a sliding seat, an elastic extrusion piece, a linkage rod and a lifting seat. The fixed plate is fixedly connected to the upper part of the fixed base, one end of the extrusion cylinder is fixedly connected to the upper part of the fixed base, one end of the linkage beam is fixedly connected to the output end of the extrusion cylinder, and the linkage beam is fixedly connected to the interior of the fixed base, the sliding seat is fixedly connected to the other end of the linkage beam, the elastic extrusion piece is arranged inside the linkage beam, and one end of the elastic extrusion piece is fixedly connected to the interior of the linkage beam, and the other end of the elastic extrusion piece is in contact with the pushing part, and the linkage rod is provided with multiple groups, one end of the linkage rod is respectively rotatably connected to the corresponding fixed plate and the upper part of the sliding seat, and the two ends of the lifting seat are respectively rotatably connected to the other end of the corresponding linkage rod.

2. The integrated injection-molded toothbrush device according to claim 1, characterized in that: Sliding grooves are provided on both sides of the fixing plate, and the interior of the sliding grooves is slidably connected with the linkage beam.

3. The integrated injection molding toothbrush device according to claim 1, characterized in that: The pushing part includes a follower seat, an extrusion plate, a mounting seat, a guide plate, a pushing seat, a pushing rod, a limiting rod and an elastic reset member. The follower seat is slidably connected to the interior of the linkage beam, and the interior of the follower seat contacts the elastic extrusion member. The extrusion plate is fixedly connected to the follower seat, the mounting seat is fixedly connected to one side of the fixed plate, the guide plate is arranged on the upper and lower surfaces of the mounting seat, and the guide plate is slidably connected to the corresponding extrusion plate, the pushing seat is slidably arranged inside the mounting seat, one end of the pushing rod is fixedly connected to one end of the pushing seat, and the other end of the pushing rod is slidably connected to the interior of the fixed plate, the limiting rod is slidably arranged inside the pushing seat, and the upper and lower ends of the limiting rod are both slidably connected to the interiors of the extrusion plate and the guide plate, and the elastic reset member is arranged between the pushing seat and the mounting seat.

4. The integrated injection molding toothbrush device according to claim 3, characterized in that: Rotating sleeves are rotatably arranged at the upper and lower ends of the limiting rod, and the outer edges of the rotating sleeves are in contact with the insides of the extrusion plate and the guide plate.

5. The integrated injection molding toothbrush device according to claim 3, characterized in that: A first extrusion groove is provided inside the extrusion plate, and the interior of the first extrusion groove is divided into an inclined extrusion section and a horizontal static section.

6. The integrated injection molding toothbrush device according to claim 3, characterized in that: A first pushing groove is provided inside the guide plate, and a longitudinal pushing section and a transverse sliding section are provided inside the first pushing groove.

7. The integrated injection molding toothbrush device according to claim 3, characterized in that: A second extrusion groove is provided inside the extrusion plate, and the interior of the second extrusion groove is only an inclined extrusion section.

8. The integrated injection molding toothbrush device according to claim 3, characterized in that: A second pushing groove is also provided inside the guide plate, and a longitudinal pushing section, a transverse sliding section and a longitudinal ejecting section are provided inside the second pushing groove.

9. The integrated injection molding toothbrush device according to claim 3, characterized in that: The spraying part includes a mounting frame, a storage box, a delivery pump, a spray rod, a rotating gear, a rack and an electric push rod. The mounting frame is fixedly connected to the lifting seat, the storage box is fixedly connected to the inside of the mounting frame, the delivery pump is fixedly connected to the inside of the mounting frame, the input end of the delivery pump is connected to the inside of the storage box, the spray rod is rotatably set at the lower end of the mounting frame, the rotating gear is fixedly connected to the middle part of the spray rod, the rack is slidably connected to the inside of the mounting frame, the rack is meshed with the outer edge of the rotating gear, the electric push rod is fixedly connected to the inside of the mounting frame, and the output end of the electric push rod is fixedly connected to the upper end of the rack.

10. The integrated injection molding toothbrush device according to claim 9, characterized in that: The nozzle of the spray head of the spray bar is arranged in a flat fan shape.

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