Plasticizing injection molding equipment of exhaust type injection molding machine

Abstract

The present invention discloses a plasticizing injection molding device of an exhaust type injection molding machine, and relates to the field of injection molding technology. The present invention comprises a device main body, an electric slide rail is arranged inside the device main body, a linear guide rail is arranged inside the electric slide rail, a plurality of support plates are arranged inside the electric slide rail, the plurality of support plates are equidistantly distributed, the linear guide rail runs through the bottom of the support plate, an injection barrel is fixedly installed on the top of the support plate, a motor is arranged on the right side of the injection barrel, an injection molding assembly is arranged on the left side of the injection barrel, and a feed hopper is arranged on the right side of the top of the injection barrel. The present invention prompts the scraper ring to rely on the edge arc surface to prompt the liquid raw material to be contacted by the partition plate to move closer to the center of the partition plate, and at the same time, the partition plate reciprocates to quickly intercept the solid particles that have not yet melted in the liquid, so as to avoid the mixing and synchronous transportation of the two, which makes it difficult for the raw materials to be formed in the mold and forms bulges during the injection molding process, resulting in a reduced yield rate and increased economic expenditure.

Description

[0001] This application is a divisional application of the application filed on August 31, 2024, with application number 202411213761.5 and invention name “A plasticizing injection molding device for a venting injection molding machine”. Technical Field

[0002] The invention relates to the technical field of injection molding, in particular to plasticizing injection molding equipment of an exhaust type injection molding machine. Background Art

[0003] Conventional injection molding machines need to dry the raw materials before adding materials to reduce the moisture content of the raw materials, so external dryers or dehumidifiers are required. The equipment cost increases and the structure is complicated. With the development of technology, the application of exhaust injection molding machines is becoming more and more common.

[0004] The patent with the patent announcement number CN113290775B discloses a plasticizing injection molding device of a venting injection molding machine, which mainly includes an injection molding seat moving cylinder, a guide rail, a barrel screw integral moving cylinder, a barrel screw support seat, a sealing assembly, a thrust bearing group, a screw, a barrel, a plasticizing drive system, a hopper, a heating ring, an exhaust system, an injection sleeve and a supporting structure and a nozzle and other parts. An exhaust hole is opened on the barrel to discharge moisture or volatile substances in the plasticizing process, and the plasticized melt flows into the injection sleeve cavity for storage. During injection molding, the screw first moves forward under the action of the screw push cylinder, so that the screw seals the barrel outlet, and then under the action of the barrel screw integral moving cylinder, the barrel and the screw move forward together to eject the melt in the injection sleeve from the nozzle to form a product. The device structure of this patent is simpler than the plasticizing injection molding device of a general injection molding machine, eliminating the raw material drying equipment, and the screw structure is similar to the screw structure of a single-screw venting extruder, which reduces the processing cost.

[0005] However, the device still has some shortcomings: the device can save the drying process of the raw materials, but when the raw materials are transported after being heated and dissolved, the undissolved solid part in the raw materials will be transported synchronously with the liquid part, which makes it difficult for the raw materials to be formed in the mold during the injection molding process, resulting in a lower yield and increased economic expenditure. Summary of the invention

[0006] In view of the deficiencies in the prior art, the present invention provides a plasticizing injection molding device for a venting type injection molding machine, which solves the problems raised in the above background technology.

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: a plasticizing injection molding device of a venting injection molding machine, comprising a device body, an electric slide rail is arranged inside the device body, a linear guide rail is arranged inside the electric slide rail, a plurality of support plates are arranged inside the electric slide rail, and the plurality of support plates are equidistantly distributed, the linear guide rail runs through the bottom of the support plate, an injection barrel is fixedly installed on the top of the support plate, and a motor is arranged on the right side of the injection barrel, an injection molding assembly is arranged on the left side of the injection barrel, a feed hopper is arranged on the right side of the top of the injection barrel, the bottom of the feed hopper is connected to the injection barrel, and an exhaust seat is arranged on the left side of the top of the injection barrel A piston is arranged inside the exhaust seat, a hydraulic assembly is arranged on the left side of the top of the injection molding barrel, the hydraulic assembly is composed of a fixed end and a telescopic end, and the bottom of the telescopic end of the hydraulic assembly is fixedly connected to the top of the piston, a transmission rod is fixedly installed on the right side of the inner wall of the injection molding barrel, the right side of the transmission rod passes through and is fixedly installed on the left side of the motor output end, a spiral sheet is fixedly installed on the outer wall of the transmission rod, a plurality of heating blocks are fixedly installed on the outer wall of the transmission rod, and the plurality of heating blocks are equidistantly distributed on the outer wall of the transmission rod, a cylinder is fixedly installed on the left side of the transmission rod, an arc groove is opened on the outer wall of the cylinder, a vertical rod is slidably installed inside the arc groove of the cylinder, and the vertical rod A scraper ring is fixedly installed on the top, and a partition plate is fixedly installed on the left outer wall of the scraper ring. The raw material enters the injection molding barrel through the feed hopper. The motor is started before the raw material enters the injection molding barrel. The output end of the motor drives the transmission rod to rotate. When the transmission rod rotates, it drives the spiral piece to rotate. When the spiral piece rotates, the raw material is transported from right to left. The heating block is driven to rotate by the transmission rod, prompting the heating block to rotate and heat the inside of the injection molding barrel. At the same time, when the inside of the injection molding barrel needs to be exhausted, the hydraulic assembly is started, and the telescopic end of the hydraulic assembly drives the piston to slide upward along the inner wall of the exhaust seat. When the piston slides upward, the sealing environment inside the injection molding barrel is released. At this time, the injection molding barrel The exhaust is carried out through the exhaust seat, and then the electric slide rail is started. The electric slide rail drives the support plate to slide to the left inside itself. The support plate always slides in a straight line due to the limit of the linear guide rail. The support plate drives the injection barrel to move synchronously, and the injection barrel drives the injection molding component to move synchronously. After the injection molding component approaches the injection molding template, the liquid raw material is injected into the template through the injection port to complete the injection molding process. At the same time, the transmission rod drives the cylinder to rotate when it rotates. When the cylinder rotates, the arc groove on its outer wall limits the vertical rod, causing the vertical rod to slide back and forth left and right inside the arc groove of the cylinder. The vertical rod drives the scraper ring to slide synchronously along the inner wall of the injection barrel. When the scraper ring slides, the partition plate is mobilized to move synchronously.

[0008] According to the above technical solution, the outer wall of the scraper ring is slidably connected to the inner wall of the injection barrel, a plurality of filter holes are provided on the outer wall of the partition plate, and a device for stirring the melted raw material liquid to ensure that the raw material is sufficiently fine and smooth during injection molding is provided on the left side of the partition plate.

[0009] According to the above technical scheme, the smoothing device includes a plurality of screw rods, a fixed rod, a limiting ring, a plurality of L-shaped plates and a wave plate. The right sides of the plurality of screw rods are equidistant and rotatably installed on the left side of the partition plate. The fixed rod is fixedly installed on the inner wall of the injection barrel at one end away from the center of the partition plate. The limiting ring is fixedly installed on the side away from the center of the partition plate at one end of the fixed rod close to the center of the partition plate. The plurality of L-shaped plates are equidistant and fixedly installed on the outer wall surface of the screw rod. A wave plate is fixedly installed on the top of the L-shaped plate. When the partition plate slides to the left and resets, it drives the screw rod to slide synchronously along the inside of the limiting ring. At this time, the limiting ring is limited by the fixed rod and remains stationary. The screw rod is in reciprocating contact with the built-in block of the limiting ring through the non-self-locking spiral groove on its outer wall. Therefore, when the screw rod slides inside the limiting ring, a rotational force is generated and it starts to rotate. The screw rod drives the L-shaped plate to rotate synchronously, and the L-shaped plate drives the wave plate to rotate.

[0010] According to the above technical solution, the screw rod is located inside the limiting ring, a plurality of fine holes are opened on the outer wall of the L-shaped plate, and an anti-agglomeration device for breaking up the agglomerated parts in the melted raw material liquid is arranged under the L-shaped plate.

[0011] The sliding device further comprises a screen plate, a convex ball rod, a fixed plate and several semicircular plates, the right side of the screen plate is slidably mounted on the right side of the inner wall of the L-shaped plate by a spring, the bottom of the convex ball rod passes through and is fixedly mounted on the top of the screen plate, the inside of the fixed plate passes through and is fixedly mounted on the outer wall surface of the fixed rod, several of the semicircular plates are fixedly mounted on the side of the fixed plate close to the center of the partition plate away from the center of the partition plate, and the semicircular plate is located on the movement trajectory of the convex ball rod, and the screen plate is driven to rotate when the L-shaped plate rotates, and the convex ball rod is driven to rotate when the screen plate rotates. When the convex ball rod rotates, its own arc surface will contact the circular plate, and the circular plate is limited and kept stationary by the fixed plate, and the convex ball rod slides downward due to the resistance force generated after contacting the circular plate, and the bottom of the convex ball rod presses the screening plate to slide synchronously along the inner wall of the L-shaped plate. When the convex ball rod passes over the circular plate, the screening plate is reset by the spring force, and the screening plate drives the convex ball rod to reset, and so on.

[0012] According to the above technical solution, the anti-agglomeration device includes a thin plate, a rotating wheel, a cross bar, a stirring plate and a plurality of protrusions. The top of the thin plate is fixedly installed at the bottom of the L-shaped plate, the rotating wheel is rotatably installed on the inner wall of the thin plate away from the center of the screen plate, the cross bar is fixedly installed on the inner wall of the rotating wheel at one end away from the center of the screen plate, the stirring plate is penetrated by a torsion spring and is hinged on the outer wall surface of the cross bar, and the plurality of protrusions are equidistant and fixedly installed on the inner wall of the screen plate. When the protruding ball rod pushes the screen plate to slide downward The thin plate is kept stationary by the L-shaped plate. At this time, the thin plate limits the rotating wheel, and the outer wall of the rotating wheel contacts the inner wall of the screening plate to generate friction and starts to rotate. When the rotating wheel rotates, it drives the cross bar to make a circular motion, and the cross bar drives the stirring plate to move synchronously. At the same time, when the screening plate moves downward, it drives the protrusion to move synchronously. The contact between the protrusion and the edge of the stirring plate generates a downward pressing force, which causes the stirring plate to swing downward in an arc shape along the outer wall of the cross bar. When the protrusion passes the stirring plate, the stirring plate is reset by the torsion force of the torsion spring, and this process repeats.

[0013] According to the above technical solution, the thin plate is located inside the screening plate, the outer wall of the rotating wheel contacts the inner wall of the screening plate, and the arc surface of the protrusion is located on the movement trajectory of the stirring plate.

[0014] The sliding ring is provided with a sliding groove, and the sliding ring is located inside the L-shaped scraper sliding groove. The vertical surface of the swing plate is fixedly installed on the outer wall of the L-shaped scraper away from the center of the screening plate. When the rotating wheel rotates, the rotating rod is driven to rotate. When the rotating rod rotates, the sliding ring is restricted by the non-self-locking reciprocating spiral groove on its outer wall, and the built-in block of the sliding ring contacts the inner wall of the reciprocating spiral groove, so that the sliding ring is driven to scrape synchronously along the inner wall of the screening plate when the sliding ring slides, and the L-shaped scraper drives the swing plate to move synchronously.

[0015] The present invention provides a plasticizing injection molding device for an exhaust type injection molding machine. It has the following beneficial effects:

[0016] (1) The present invention cooperates with an injection molding component, an exhaust seat, a piston, a hydraulic component, a transmission rod, a spiral blade and a heating block. Through the above cooperation, the raw material can be closer to the heat source during the heating and melting process to accelerate its own heating rate and thus increase the melting speed. At the same time, it is different from the complicated and energy-consuming process of traditional injection molding dehumidification. A simple and uninterrupted feeding and exhaust process is used to ensure that the volatile substances and moisture generated when the raw material is melted can be evaporated and discharged in time, thereby effectively improving the production efficiency; through the cooperation of a cylinder, a vertical rod, a scraper ring and a partition plate, the scraper ring relies on the edge arc surface to force the liquid raw material to be contacted by the partition plate to move closer to the center of the partition plate. At the same time, the partition plate slides back and forth to quickly intercept the solid particles that have not yet melted in the liquid, thereby avoiding the mixing and synchronous transportation of the two, which makes it difficult for the raw material to be formed in the mold during the injection molding process and forms a bulge, resulting in a reduced yield and increased economic expenditure.

[0017] (2) The present invention sets a smoothing device, and cooperates with a partition plate, a screw rod, a fixed rod, a limit ring, an L-shaped plate, a wave plate, a screening plate, a convex ball rod, a fixed plate and a circular plate, so that the L-shaped plate can use its own pores to cause the raw material liquid to suddenly pour into its own internal pores after contacting itself, thereby increasing the flow rate of the raw material liquid flowing through and passing through itself. At the same time, the wave plate increases the disturbance area and frequency of the raw material liquid during the rotation process through its own wave surface, thereby keeping the raw material liquid in a delicate state before injection molding to avoid being too viscous or hardened; and the screening plate is prompted to slide back and forth to intercept fine powder clumps in the raw material liquid caused by the heating temperature or the raw material itself, thereby accelerating its own interception frequency and the speed of discharging the liquid without powder clumps from its interior, ensuring the flatness of the injection molding and avoiding the phenomenon of potholes in the finished product caused by fine powder clumps.

[0018] (3) The present invention adopts the setting of the anti-agglomeration device, and cooperates with the screening plate, the thin plate, the rotating wheel, the cross bar, the stirring plate, the protrusion, the rotating rod, the sliding ring, the L-shaped scraper and the swinging plate to cause the stirring plate to rotate and stir the raw material liquid inside the screening plate, and the powder mass intercepted by the screening plate is rotated and broken up to make it fully integrated with the raw material liquid to achieve full utilization of the raw material and avoid waste. At the same time, the stirring plate shakes off the raw material liquid attached to its own outer wall through its own reciprocating swing, so as to avoid the liquid from solidifying after the processing due to excessive attachment, thereby increasing the difficulty of equipment maintenance; the L-shaped scraper is also used to scrape the part of the inner wall of the screening plate that the stirring plate cannot reach, so as to further improve the cleanliness of the screening plate on the original basis, and avoid the mixing of different batches of raw materials, thereby affecting the later injection molding work; at the same time, when the swinging plate slides, the raw material liquid that the screening plate is to contact is diverted, so as to cause the raw material liquid received by the screening plate to be evenly distributed and circulated, so that the screening plate can intercept the powder mass part in the liquid more thoroughly to avoid the liquid aggregation and impact on the screening plate to cause omission. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic diagram of the present invention as a whole;

[0020] Figure 2 It is a cross-sectional schematic diagram of the present invention as a whole;

[0021] Figure 3 It is a schematic diagram of the peripheral structure of the transmission rod of the present invention;

[0022] Figure 4 It is a schematic diagram of the peripheral structure of the transmission rod of the present invention from the left side perspective;

[0023] Figure 5 It is a schematic diagram of the smoothing device of the present invention;

[0024] Figure 6 It is a schematic diagram showing the overall smoothing device of the present invention;

[0025] Figure 7 It is a schematic diagram of the anti-agglomeration device of the present invention;

[0026] Figure 8 For the present invention Figure 7 A schematic diagram of the enlarged structure in the middle.

[0027] In the figure: 1. device body; 2. electric slide rail; 21. linear guide rail; 22. support plate; 23. injection barrel; 24. injection assembly; 3. feed hopper; 31. exhaust seat; 32. piston; 33. hydraulic assembly; 4. smooth device; 41. screw rod; 42. fixing rod; 43. limit ring; 44. L-shaped plate; 45. wave plate; 46. screening plate; 47. convex ball rod; 48. fixing plate; 49. round plate; 5. anti-agglomeration device; 51. thin plate; 52. rotating wheel; 53. cross bar; 54. stirring plate; 55. convex block; 56. rotating rod; 57. sliding ring; 58. L-shaped scraper; 59. swing plate; 6. transmission rod; 7. spiral sheet; 8. heating block; 9. cylinder; 10. vertical rod; 11. scraper ring; 12. partition plate. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0029] See also Figure 1-Figure 8One embodiment of the present invention is: a plasticizing injection molding device of an exhaust type injection molding machine, comprising a device body 1, an electric slide rail 2 is arranged inside the device body 1, a linear guide rail 21 is arranged inside the electric slide rail 2, a plurality of support plates 22 are arranged inside the electric slide rail 2, the plurality of support plates 22 are equidistantly distributed, the linear guide rail 21 passes through the bottom of the support plate 22, an injection barrel 23 is fixedly installed on the top of the support plate 22, a motor is arranged on the right side of the injection barrel 23, an injection molding component 24 is arranged on the left side of the injection barrel 23, and a plurality of support plates 22 are arranged on the top right side of the injection barrel 23. A feed hopper 3 is provided, the bottom of the feed hopper 3 is connected to the injection barrel 23, an exhaust seat 31 is provided on the left side of the top of the injection barrel 23, a piston 32 is provided inside the exhaust seat 31, a hydraulic assembly 33 is provided on the left side of the top of the injection barrel 23, the hydraulic assembly 33 is composed of a fixed end and a telescopic end, and the bottom of the telescopic end of the hydraulic assembly 33 is fixedly connected to the top of the piston 32, a transmission rod 6 is fixedly installed on the right side of the inner wall of the injection barrel 23, the right side of the transmission rod 6 passes through and is fixedly installed on the left side of the motor output end, a spiral sheet 7 is fixedly installed on the outer wall of the transmission rod 6, and the transmission rod 6 is fixedly installed with a plurality of heating blocks 8, and the plurality of heating blocks 8 are evenly distributed on the outer wall of the transmission rod 6. A cylinder 9 is fixedly installed on the left side of the transmission rod 6, and an arc groove is opened on the outer wall of the cylinder 9. A vertical rod 10 is slidably installed inside the arc groove of the cylinder 9, and a scraper ring 11 is fixedly installed on the top of the vertical rod 10. A partition plate 12 is fixedly installed on the outer wall of the scraper ring 11 on the left side. Through the above cooperation, the raw material can be closer to the heat source during the heating and melting process to accelerate its own heating rate and thus improve the melting speed. At the same time, it is different from the complicated and energy-consuming process of traditional injection molding dehumidification. The simple and uninterrupted feeding and exhaust process ensures that the volatile substances and moisture generated when the raw materials are melted can be evaporated and discharged in time, effectively improving the production efficiency; through the above cooperation, the scraper ring 11 relies on the edge arc surface to force the liquid raw material to be contacted by the partition plate 12 to move closer to the center of the partition plate 12. At the same time, the partition plate 12 slides back and forth to quickly intercept the solid particles that have not yet melted in the liquid, avoiding the simultaneous mixing and transportation of the two, which makes it difficult for the raw materials to be formed in the mold during the injection molding process and forms bulges, resulting in a decrease in the yield rate and thus an increase in economic expenditure.

[0030] The outer wall of the scraper ring 11 is slidably connected to the inner wall of the injection barrel 23, and a plurality of filter holes are provided on the outer wall of the partition plate 12. A smoothing device 4 is provided on the left side of the partition plate 12 for stirring the melted raw material liquid to ensure that the raw material is fine enough during injection molding.

[0031] When in use, the raw material enters the injection molding barrel 23 through the feed hopper 3, and the motor is started before the raw material enters the injection molding barrel 23. The output end of the motor drives the transmission rod 6 to rotate, and the transmission rod 6 drives the spiral piece 7 to rotate. When the spiral piece 7 rotates, the raw material is transported from right to left. The heating block 8 is driven to rotate by the transmission rod 6, so that the heating block 8 rotates and heats the inside of the injection molding barrel 23. At the same time, when it is necessary to exhaust the inside of the injection molding barrel 23, the hydraulic component 33 is started, and the telescopic end of the hydraulic component 33 drives the piston 32 along the exhaust seat 3. 1 The inner wall slides upward, and the piston 32 releases the sealed environment inside the injection barrel 23 when it slides upward. At this time, the injection barrel 23 is exhausted through the exhaust seat 31, and then the electric slide rail 2 is started. The electric slide rail 2 drives the support plate 22 to slide leftward inside itself. The support plate 22 always slides in a straight line through the limit of the linear guide rail 21. The support plate 22 drives the injection barrel 23 to move synchronously, and the injection barrel 23 drives the injection molding assembly 24 to move synchronously. After the injection molding assembly 24 approaches the injection molding template, the liquid raw material is injected into the template through the injection port. The injection molding process is completed. Through the above cooperation, the raw materials can be closer to the heat source during the heating and melting process to speed up their own heating rate and thus increase the melting speed. At the same time, it is different from the complicated and energy-consuming process of traditional injection molding dehumidification. The volatile substances and moisture generated when the raw materials are melted can be evaporated and discharged in time with a simple and uninterrupted feeding and exhaust process, which effectively improves the production efficiency. At the same time, when the transmission rod 6 rotates, it drives the cylinder 9 to rotate. When the cylinder 9 rotates, the arc groove on its outer wall restricts the vertical rod 10, so that the vertical rod 10 is inside the arc groove of the cylinder 9. The vertical rod 10 slides back and forth left and right, and drives the scraper ring 11 to slide synchronously along the inner wall of the injection barrel 23. When the scraper ring 11 slides, the partition plate 12 is mobilized to move synchronously. Through the above cooperation, the scraper ring 11 relies on the edge arc surface to force the liquid raw material to be contacted by the partition plate 12 to move closer to the center of the partition plate 12. At the same time, the partition plate 12 slides back and forth to quickly intercept the solid particles that have not yet melted in the liquid, avoiding the mixing and synchronous transportation of the two, which makes it difficult for the raw material to be formed in the mold during the injection molding process and forms bulges, resulting in a decrease in the yield and thus an increase in economic expenditure.

[0032] See also Figure 1-Figure 8 , based on the above embodiment, another embodiment of the present invention further includes a smoothing device 4;

[0033] The smoothing device 4 includes a plurality of screw rods 41, a fixed rod 42, a limiting ring 43, a plurality of L-shaped plates 44 and a wave plate 45. The right sides of the plurality of screw rods 41 are equidistant and rotatably installed on the left side of the partition plate 12. The fixed rod 42 is fixedly installed on the inner wall of the injection barrel 23 at one end away from the center of the partition plate 12. The limiting ring 43 is fixedly installed on the side away from the center of the partition plate 12 at one end of the fixed rod 42 close to the center of the partition plate 12. A plurality of L-shaped plates 44 are equidistant and fixedly installed on the outer wall surface of the screw rod 41. A wave plate 45 is fixedly installed on the top of the L-shaped plate 44. Through the above cooperation, the L-shaped plate 44 can promote the raw material liquid to suddenly pour into its internal pores after contacting with itself through its own pores, thereby increasing the circulation speed of the raw material liquid flowing through and passing through itself. At the same time, the wave plate 45 increases the disturbance area and frequency of the raw material liquid through its own wave surface during rotation, thereby keeping the raw material liquid in a delicate state before injection to avoid being too viscous or hardened.

[0034] The screw rod 41 is located inside the limiting ring 43 , and a plurality of fine holes are formed on the outer wall of the L-shaped plate 44 . An anti-agglomeration device 5 for breaking up agglomerates in the melted raw material liquid is arranged below the L-shaped plate 44 .

[0035] The smoothing device 4 also includes a screening plate 46, a convex ball rod 47, a fixed plate 48 and a plurality of semicircular plates 49. The right side of the screening plate 46 is slidably mounted on the right side of the inner wall of the L-shaped plate 44 by a spring, the bottom of the convex ball rod 47 passes through and is fixedly mounted on the top of the screening plate 46, the inside of the fixed plate 48 passes through and is fixedly mounted on the outer wall surface of the fixed rod 42, a plurality of semicircular plates 49 are fixedly mounted on the side of the fixed plate 48 close to the center of the partition plate 12 away from the center of the partition plate 12, and the semicircular plates 49 are located on the movement trajectory of the convex ball rod 47. Through the above cooperation, the screening plate 46 is prompted to slide back and forth to intercept the fine powder clumps in the raw material liquid caused by the heating temperature or the raw material itself, thereby accelerating its own interception frequency and the speed of discharging the liquid without powder clumps from its own interior, ensuring the flatness of the injection molding and avoiding the phenomenon of potholes in the finished product caused by fine powder clumps.

[0036] When in use, the partition plate 12 slides to the left and resets, driving the screw rod 41 to slide synchronously along the inside of the limit ring 43. At this time, the limit ring 43 is limited and kept stationary by the fixed rod 42, and the screw rod 41 reciprocates with the built-in block of the limit ring 43 through the non-self-locking spiral groove on its outer wall. Therefore, when the screw rod 41 slides inside the limit ring 43, a rotational force is generated and it starts to rotate. The screw rod 41 drives the L-shaped plate 44 to rotate synchronously, and the L-shaped plate 44 drives the wave plate 45 to rotate. Through the above cooperation, the L-shaped plate 44 can use its own pores to promote the raw material liquid to contact itself and then suddenly pour into its own internal pores, thereby increasing the circulation speed of the raw material liquid flowing through and passing through itself. At the same time, the wave plate 45 increases the disturbance area and frequency of the raw material liquid during the rotation process through its own wave surface, thereby keeping the raw material liquid in a delicate state before injection molding to avoid being too viscous. Or hardening; when the L-shaped plate 44 rotates, it drives the screening plate 46 to rotate, and when the screening plate 46 rotates, it drives the convex ball rod 47 to rotate. When the convex ball rod 47 rotates, its own arc surface will contact the circular plate 49, and the circular plate 49 is limited and kept stationary by the fixing plate 48, and the convex ball rod 47 slides downward by the resistance force generated after contacting the circular plate 49, and the bottom of the convex ball rod 47 presses the screening plate 46 to slide synchronously along the inner wall of the L-shaped plate 44. When the convex ball rod 47 passes over the circular plate 49, the screening plate 46 is reset by the spring force, and the screening plate 46 drives the convex ball rod 47 to reset, and so on. Through the above cooperation, the screening plate 46 is prompted to slide back and forth to intercept the fine powder agglomerates produced in the raw material liquid due to the heating temperature or the raw material itself, thereby accelerating its own interception frequency and the speed of discharging the liquid without powder agglomerates from its own interior, ensuring the flatness of the injection molding and avoiding the phenomenon of potholes in the finished product caused by fine powder agglomerates.

[0037] See also Figure 1-Figure 8 , based on the above embodiment, another embodiment of the present invention further includes an anti-agglomeration device 5;

[0038] The anti-agglomeration device 5 includes a thin plate 51, a rotating wheel 52, a cross bar 53, a stirring plate 54 and a plurality of protrusions 55. The top of the thin plate 51 is fixedly installed at the bottom of the L-shaped plate 44, the rotating wheel 52 is rotatably installed on the inner wall of the thin plate 51 away from the center of the screening plate 46, the cross bar 53 is fixedly installed on the inner wall of the rotating wheel 52 at one end away from the center of the screening plate 46, the stirring plate 54 is penetrated by a torsion spring and is hinged on the outer wall surface of the cross bar 53, and a plurality of protrusions 55 are equidistant and fixedly installed on the inner wall of the screening plate 46. Through the above cooperation, the stirring plate 54 is driven to rotate and stir the raw material liquid inside the screening plate 46, and the powder mass intercepted by the screening plate 46 is rotated and broken up to make it fully integrated with the raw material liquid to achieve full utilization of the raw material and avoid waste. At the same time, the stirring plate 54 shakes off the raw material liquid attached to its outer wall through its own reciprocating swing, so as to avoid excessive attachment of liquid and solidification after processing, thereby increasing the difficulty of equipment maintenance.

[0039] The thin plate 51 is located inside the screening plate 46 , the outer wall of the rotating wheel 52 contacts the inner wall of the screening plate 46 , and the arc surface of the protrusion 55 is located on the movement track of the stirring plate 54 .

[0040] The anti-agglomeration device 5 also includes a rotating rod 56, a sliding ring 57, an L-shaped scraper 58 and a swinging plate 59. The rotating rod 56 is fixedly installed at the center of the inner wall of the rotating wheel 52 at one end away from the center of the screening plate 46. The outer wall of the rotating rod 56 is provided with a reciprocating spiral groove. The inner wall of the sliding ring 57 is sleeved and slidably installed on the outer wall of the reciprocating spiral groove of the rotating rod 56. The L-shaped scraper 58 is slidably installed on the inner wall of the screening plate 46, and a sliding groove is opened inside the L-shaped scraper 58. The sliding ring 57 is located inside the sliding groove of the L-shaped scraper 58. The swinging plate 59 is fixedly installed on the outer wall of the L-shaped scraper 58 on the vertical surface away from the center of the screening plate 46. At the wall, the above cooperation causes the L-shaped scraper 58 to scrape the inner wall area of ​​the screen plate 46 that the stirring plate 54 cannot reach, thereby further improving the cleanliness of the screen plate 46 on the original basis, avoiding the mixing of different batches of raw materials and thus affecting the subsequent injection molding work; at the same time, when the swing plate 59 slides, the raw material liquid that the screen plate 46 is about to contact is diverted, so that the raw material liquid received by the inside of the screen plate 46 can be evenly distributed and circulated, so that the screen plate 46 can intercept the powder mass part in the liquid more thoroughly to avoid the liquid aggregation and impact on the screen plate 46 to cause omissions.

[0041] When in use, when the convex ball rod 47 pushes the screening plate 46 to slide downward, the thin plate 51 is kept stationary by the L-shaped plate 44. At this time, the thin plate 51 limits the rotating wheel 52, and the outer wall of the rotating wheel 52 contacts the inner wall of the screening plate 46 to generate friction and start to rotate. When the rotating wheel 52 rotates, it drives the cross bar 53 to make a circular motion, and the cross bar 53 drives the stirring plate 54 to move synchronously. At the same time, when the screening plate 46 moves downward, it drives the protrusion 55 to move synchronously. The protrusion 55 contacts the edge of the stirring plate 54 to generate a downward pressing force, which prompts the stirring plate 54 to move along the cross bar. The outer wall of the rod 53 swings downward in an arc shape. When the protrusion 55 passes the stirring plate 54, the stirring plate 54 is reset by the torsion force of the torsion spring, and the same process is repeated. The above cooperation causes the stirring plate 54 to rotate and stir the raw material liquid inside the screening plate 46, and the powder mass intercepted by the screening plate 46 is rotated and broken up to make it fully integrated with the raw material liquid to achieve full utilization of the raw material and avoid waste. At the same time, the stirring plate 54 shakes off the raw material liquid attached to its outer wall through its own reciprocating swing, so as to avoid the phenomenon of solidification of excessive liquid attachment after processing, thereby increasing equipment maintenance. The rotating wheel 52 drives the rotating rod 56 to rotate when the rotating wheel 52 rotates. When the rotating rod 56 rotates, the non-self-locking reciprocating spiral groove on the outer wall of the rotating rod 56 restricts the sliding ring 57, and the built-in block of the sliding ring 57 contacts the inner wall of the reciprocating spiral groove, so that the sliding ring 57 can slide left and right along the outer wall of the rotating rod 56. The sliding ring 57 is limited by the sliding groove of the L-shaped scraper 58. Therefore, when the sliding ring 57 slides, it drives the L-shaped scraper 58 to scrape synchronously along the inner wall of the screening plate 46, and the L-shaped scraper 58 drives the swing plate 59 to move synchronously. Through the above cooperation, the L-shaped The scraper 58 scrapes the inner wall area of ​​the screen plate 46 that the stirring plate 54 cannot reach, thereby further improving the cleanliness of the screen plate 46 on the original basis and avoiding the mixing of different batches of raw materials, thereby affecting the subsequent injection molding work; at the same time, when the swing plate 59 slides, the raw material liquid that the screen plate 46 is about to contact is diverted, so that the raw material liquid received by the inside of the screen plate 46 can be evenly distributed and circulated, so that the screen plate 46 can intercept the powder mass part in the liquid more thoroughly to avoid the liquid aggregation and impact on the screen plate 46 to cause omission.

[0042] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A plasticizing injection molding device of an exhaust type injection molding machine, comprising a device body (1), wherein an electric slide rail (2) is arranged inside the device body (1), wherein a linear guide rail (21) is arranged inside the electric slide rail (2), wherein a plurality of support plates (22) are arranged inside the electric slide rail (2), wherein the plurality of support plates (22) are equidistantly distributed, wherein the linear guide rail (21) passes through the bottom of the support plate (22), wherein an injection molding barrel (23) is fixedly mounted on the top of the support plate (22), wherein a motor is arranged on the right side of the injection molding barrel (23), and wherein the injection molding barrel (23) is provided with a motor. ) is provided on the left side of the injection molding assembly (24), a feed hopper (3) is provided on the right side of the top of the injection molding barrel (23), the bottom of the feed hopper (3) is connected to the injection molding barrel (23), an exhaust seat (31) is provided on the left side of the top of the injection molding barrel (23), a piston (32) is provided inside the exhaust seat (31), a hydraulic assembly (33) is provided on the left side of the top of the injection molding barrel (23), the hydraulic assembly (33) is composed of a fixed end and a telescopic end, and the bottom of the telescopic end of the hydraulic assembly (33) is fixedly connected to the top of the piston (32), characterized in that: A transmission rod (6) is fixedly mounted on the right side of the inner wall of the injection molding barrel (23), the right side of the transmission rod (6) passes through and is fixedly mounted on the left side of the motor output end, a spiral sheet (7) is fixedly mounted on the outer wall of the transmission rod (6), a plurality of heating blocks (8) are fixedly mounted on the outer wall of the transmission rod (6), and the plurality of heating blocks (8) are evenly distributed on the outer wall of the transmission rod (6), a cylinder (9) is fixedly mounted on the left side of the transmission rod (6), an arc groove is formed on the outer wall of the cylinder (9), a vertical rod (10) is slidably mounted inside the arc groove of the cylinder (9), a scraper ring (11) is fixedly mounted on the top of the vertical rod (10), and a partition plate (12) is fixedly mounted on the left outer wall of the scraper ring (11); The outer wall of the scraper ring (11) is slidably connected to the inner wall of the injection barrel (23); the outer wall of the partition plate (12) is provided with a plurality of filter holes; the left side of the partition plate (12) is provided with a smooth device (4) for stirring the melted raw material liquid to ensure that the raw material is sufficiently fine during injection molding; through the above cooperation, the scraper ring (11) relies on the edge arc surface to force the liquid raw material to be contacted by the partition plate (12) to move toward the center of the partition plate (12); at the same time, the partition plate (12) reciprocates to quickly intercept the solid particles that have not yet melted in the liquid; The smoothing device (4) comprises a plurality of screw rods (41), a fixing rod (42), a limiting ring (43), a plurality of L-shaped plates (44) and a wave plate (45); the right sides of the plurality of screw rods (41) are equidistantly and rotatably mounted on the left side of the partition plate (12); the end of the fixing rod (42) away from the center of the partition plate (12) is fixedly mounted on the inner wall of the injection molding barrel (23); the side of the limiting ring (43) away from the center of the partition plate (12) is fixedly mounted on the end of the fixing rod (42) close to the center of the partition plate (12); the plurality of L-shaped plates (44) are equidistantly and fixedly mounted on the outer wall surface of the screw rod (41); and the top of the L-shaped plate (44) is fixedly mounted with a wave plate (45); The screw rod (41) is located inside the limiting ring (43), and the screw rod (41) reciprocates with the internal block of the limiting ring (43) through the non-self-locking spiral groove on its outer wall. The outer wall of the L-shaped plate (44) is provided with a plurality of fine holes, and an anti-agglomeration device (5) for crushing agglomerates in the melted raw material liquid is provided below the L-shaped plate (44); The anti-agglomeration device (5) comprises a thin plate (51), a rotating wheel (52), a cross bar (53), a stirring plate (54) and a plurality of protrusions (55); the top of the thin plate (51) is fixedly mounted on the bottom of the L-shaped plate (44); the rotating wheel (52) is rotatably mounted on the inner wall of the thin plate (51) at a side away from the center of the screening plate (46); the cross bar (53) is fixedly mounted on the inner wall of the rotating wheel (52) at one end away from the center of the screening plate (46); a torsion spring penetrates the interior of the stirring plate (54) and is hinged to the outer wall surface of the cross bar (53); and the plurality of protrusions (55) are equidistantly and fixedly mounted on the inner wall of the screening plate (46); The thin plate (51) is located inside the screening plate (46), the outer wall of the rotating wheel (52) contacts the inner wall of the screening plate (46), and the arc surface of the protrusion (55) is located on the movement track of the stirring plate (54); The anti-agglomeration device (5) further comprises a rotating rod (56), a sliding ring (57), an L-shaped scraper (58) and a swinging plate (59); the rotating rod (56) is fixedly mounted at the center of the inner wall of the rotating wheel (52) at one end away from the center of the screening plate (46); a reciprocating spiral groove is provided on the outer wall of the rotating rod (56); the inner wall of the sliding ring (57) is sleeved and slidably mounted on the outer wall of the reciprocating spiral groove of the rotating rod (56); the L-shaped scraper (58) is slidably mounted on the inner wall of the screening plate (46); a sliding groove is provided inside the L-shaped scraper (58); the sliding ring (57) is located inside the sliding groove of the L-shaped scraper (58); and the swinging plate (59) is fixedly mounted on the outer wall of the L-shaped scraper (58) at a vertical surface on the side away from the center of the screening plate (46); The smoothing device (4) further comprises a screening plate (46), a convex ball rod (47), a fixed plate (48) and a plurality of semicircular plates (49); the right side of the screening plate (46) is slidably mounted on the right side of the inner wall of the L-shaped plate (44) via a spring; the bottom of the convex ball rod (47) passes through and is fixedly mounted on the top of the screening plate (46); the inside of the fixed plate (48) passes through and is fixedly mounted on the outer wall surface of the fixed rod (42); a plurality of the semicircular plates (49) are fixedly mounted on a side of the fixed plate (48) away from the center of the partition plate (12) and on a side of the fixed plate (48) close to the center of the partition plate (12); and the semicircular plates (49) are located on the movement trajectory of the convex ball rod (47).

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