Spinning water spraying machine plastic part injection molding excess material cutting device

Abstract

The invention discloses a spinning water spraying machine plastic part injection molding excess material cutting device, and particularly relates to the technical field of plastic waste utilization, the spinning water spraying machine plastic part injection molding excess material cutting device comprises a machine table and a shell arranged at the upper end of the machine table, and the upper end of the machine table is provided with a feeding auxiliary structure used for conveying and positioning injection molding workpieces; a water gap cutting structure used for cutting a water gap of an injection molding part is arranged on the rear portion of the upper end of the machine table, and a waste treatment structure used for recycling, treating and storing water gap waste is arranged at the lower end of the machine table. A feeding guide rail, an auxiliary guide rail and an electric wheel in the feeding auxiliary structure are matched, a stable conveying path is provided for injection molding workpieces, and deflection and abrasion of the workpieces during conveying are reduced; a second electric push rod, a U-shaped rod, a pressing plate and a positioning disc in the material pushing assembly are matched to adapt to workpieces of different sizes, and the pushing and positioning stability is improved; and a storage table, a sliding plate, a spring limiting rod and a hydraulic bag in the positioning auxiliary assembly are matched with a top plate, so that the workpiece is positioned in multiple directions.

Description

Technical Field

[0001] This invention relates to the field of plastic waste utilization technology, and in particular to a device for removing excess material from injection molding of plastic parts in textile water sprayers. Background Technology

[0002] The field of plastic waste utilization technology encompasses the collection, treatment, and recycling of plastic waste, as well as the design and manufacturing of related specialized equipment. Its core content is the rational treatment of waste generated during plastic production and processing through various technical means to achieve efficient resource utilization. This technology covers multiple directions, including mechanical and physical processing. Mechanical processing includes specific operations such as cutting and crushing of excess material generated during injection molding, involving the design and application of various cutting tools, clamping mechanisms, and transmission structures. Overall, the research and development of related technologies and equipment manufacturing revolve around the reduction and resource utilization of plastic waste, covering the entire process from waste generation to initial treatment, laying the foundation for subsequent recycling of plastic waste.

[0003] Chinese Patent Publication No. CN223671735U discloses a device for removing excess material from injection molding of automotive plastic parts. The device includes a support base, a transverse moving assembly at the upper end of the support base, an arc adjustment assembly on the right side of the transverse moving assembly, and a cutting assembly on the right side of the arc adjustment assembly. The arc adjustment assembly includes a support housing, with lifting guide columns fixedly installed on both sides inside the support housing. A second guide block is movably installed on the outer side of the lifting guide columns. A lifting base is located on the right side of the support housing, with its lower end fixed to the second guide block by bolts. A hydraulic cylinder is installed inside the support housing, with a hydraulic rod at its upper end, the upper end of which is connected to the lifting base.

[0004] Existing technologies cannot adapt to workpieces of different sizes, resulting in inaccurate positioning, large deviations in the cutting of leftover materials, and the inability to recycle and crush waste materials. This requires manual assistance, which is labor-intensive, and the waste material is not fully recycled, affecting recycling efficiency and quality and increasing recycling costs. Summary of the Invention

[0005] The main objective of this invention is to provide a device for removing excess material from plastic injection molded parts of a textile water jet machine, which can effectively solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the technical solution adopted by the present invention is as follows: A device for removing excess material from plastic injection molded parts of a textile water sprayer includes a machine base, a housing disposed at the upper end of the machine base, and a controller disposed on one side of the housing. The upper end of the machine base is provided with a feeding auxiliary structure for conveying and positioning the injection molded workpiece. The rear part of the upper end of the machine base is provided with a sprue cutting structure for cutting the sprue of the injection molded part. The lower end of the machine base is provided with a waste material treatment structure for recycling, processing, and storing sprue waste.

[0007] Preferably, the feeding auxiliary structure includes a feeding guide rail disposed in the inner cavity of the machine, a pushing component for pushing materials is disposed on the front side of the machine, and a positioning auxiliary component for assisting the sprue cutting structure in removing sprues is disposed at the upper rear part of the machine.

[0008] Preferably, the pushing assembly includes an electric push rod two fixedly installed at the front of the upper part of the machine platform. The piston rod at the output end of the electric push rod two is fixedly connected to a U-shaped rod that is slidably connected to the upper part of the machine platform. Pressure plates are fixedly connected to the upper ends of the vertical parts on both sides of the U-shaped rod. A rubber pad with friction stripes is provided at the bottom of the pressure plate. A positioning plate is provided at the upper part of the horizontal part of the U-shaped rod and is fixedly connected to the vertical parts on both sides of the U-shaped rod by an elastic cable. An electromagnet is provided at the rear end of the positioning plate.

[0009] Preferably, the positioning auxiliary component includes a platform fixedly installed on the upper part of the machine platform. The upper part of the platform is symmetrically provided with guide grooves on the left and right sides. Sliding plates are slidably connected to the inner surfaces of the two guide grooves. Spring limiting rods that are slidably connected to the inner wall of the platform are fixedly connected to the front ends of the two sliding plates. A connecting plate that is slidably connected to the inner wall of the platform is fixedly connected to the ends of the two sliding plates that are close to each other.

[0010] Preferably, the positioning auxiliary component further includes a hydraulic cavity located at the rear of the upper end of the platform. A slide is slidably installed inside the hydraulic cavity. A top plate that is slidably connected to the inner wall of the hydraulic cavity is fixedly connected to the upper end of the slide via a connecting column. A hydraulic bladder communicating with the hydraulic cavity is provided inside the platform, and the front side of the hydraulic bladder overlaps with the connecting plate.

[0011] Preferably, the machine platform is provided with through slots on the left and right sides, and feeding guide rails are symmetrically installed on the top wall of the through slots. The feeding guide rail is fixedly installed at the front of the upper end of the machine platform, and auxiliary guide rails are symmetrically fixedly installed at the rear of the upper end of the machine platform along the left and right sides of the platform. Several electric wheels driven by motors are rotatably installed in an array on the side of the auxiliary guide rails and feeding guide rails near the platform.

[0012] Preferably, the sprue cutting structure includes an L-shaped baffle fixedly installed at the upper rear of the machine platform. The horizontal portion of the L-shaped baffle has symmetrical guide grooves on its front end. Slider blocks are slidably connected to the inner walls of the two guide grooves. The front ends of the two sliders are rotatably connected to connecting rods. A cutting blade is rotatably connected to the side of the two connecting rods that are close to each other. Limiting blocks that are fixedly connected to the L-shaped baffle are slidably connected to the left and right sides of the cutting blade. An electric push rod is fixedly installed in the inner cavity of the L-shaped baffle to drive the sliders on both sides to slide in adjacent guide grooves. When the sliders move away from each other under the action of the electric push rod, the cutting blade is driven to slide downward along the direction limited by the limiting blocks through the action of the connecting rods to cut the sprue of the injection molded part.

[0013] Preferably, the waste treatment structure includes a treatment cabinet fixedly installed at the lower end of the machine platform. The upper end of the machine platform has a communication groove that communicates with the inner cavity of the treatment cabinet. The lower front end of the treatment cabinet is slidably connected to a recycled material storage box via a drawer slide rail. The front part of the inner cavity of the treatment cabinet is symmetrically provided with crushing wheels for crushing plastic parts sprues.

[0014] Preferably, the upper part of the inner cavity of the processing cabinet is fixedly connected to a guide slope for guiding the collection of waste from the water inlet, the bottom of the guide slope is connected to the feed inlet of the crushing wheel, and the lower part of the inner cavity of the processing cabinet is fixedly connected to an inclined screen, the screen being located above the recycling storage box.

[0015] Preferably, the rear part of the processing cabinet cavity and the rear end of the guide slope together form an air duct. The part of the processing cabinet cavity located on the upper side of the air duct is rotatably connected to a flap via a torsion spring. The part of the processing cabinet cavity located on the upper side of the flap is provided with a baffle to limit the rotation angle of the flap. When the flap is opened, the opening faces forward. A fan is fixedly connected to the processing cabinet cavity located at the bottom of the air duct. The air outlet side of the fan is located at the tail of the inclined surface of the screen. Plastic waste particles larger than the screen mesh size are transported upward along the air duct and back to the upper side of the guide slope by the action of the fan.

[0016] Compared with the prior art, the present invention has the following beneficial effects: 1. This invention provides a stable conveying path for injection molded workpieces by cooperating with the feeding guide rail, auxiliary guide rail, and electric wheel in the feeding auxiliary structure, reducing workpiece skewing and wear during conveying and improving feeding efficiency; the electric push rod, U-shaped rod, pressure plate, and positioning plate in the pushing assembly cooperate to adapt to workpieces of different sizes, improving pushing and positioning stability; the placement platform, sliding plate, spring limit rod, hydraulic bladder, and top plate in the positioning auxiliary assembly cooperate to achieve multi-directional positioning of workpieces, ensuring the accuracy of excess material removal; the sprue cutting structure cooperates with various positioning structures to reduce excess material waste; and the crushing wheel, screen, and fan in the processing cabinet realize waste material recycling and crushing, improving the efficiency and quality of waste plastic recycling. At the same time, the controller realizes automated control, reducing manual labor intensity.

[0017] 2. This invention utilizes an L-shaped baffle, an electric push rod, a slider, a connecting rod, a cutting blade, and a limiting block in a sprue cutting structure. The electric push rod drives the slider to slide along the guide groove, and the connecting rod drives the cutting blade to move along the direction defined by the limiting block. This, combined with the top plate of the positioning auxiliary component, forms a stable shearing action, accurately cutting off the sprue residue, reducing cutting deviation, and making the sprue waste material regular in shape. At the same time, the controller enables automated control, reducing manual labor intensity, improving work efficiency, and making the regular waste material easier to crush and recycle, effectively reducing waste plastics and improving the plastic recycling rate.

[0018] 3. This invention utilizes the processing cabinet, connecting trough, and guiding slope in the waste treatment structure to quickly collect waste from the sprue onto the crushing wheel, preventing waste accumulation from affecting equipment operation. The crushing wheel, screen, and recycling storage box work together to crush and screen the waste, collecting qualified particles for subsequent recycling and reprocessing. The air duct, fan, flap, and baffles work together to achieve secondary crushing of larger waste particles, improving waste utilization, reducing plastic resource waste, comprehensively meeting the core requirements of waste plastic recycling, reducing recycling costs, and improving recycling quality and efficiency. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a cross-sectional structural diagram of the outer casing of the present invention; Figure 3 This is a schematic diagram of the feeding auxiliary structure of the present invention; Figure 4 This is a schematic diagram of the pusher assembly of the present invention; Figure 5 This is a schematic diagram of the positioning auxiliary component of the present invention; Figure 6 This is a cross-sectional structural diagram of the positioning auxiliary component of the present invention; Figure 7 This is a schematic diagram of the sprue cutting structure of the present invention; Figure 8 This is a schematic diagram of the waste treatment structure of the present invention; Figure 9 This is a cross-sectional schematic diagram of the waste treatment structure of the present invention.

[0020] In the diagram: 1. Sprue cutting structure; 11. L-shaped baffle; 12. Electric push rod 1; 13. Limiting block; 14. Cutting blade; 15. Connecting rod; 16. Guide groove; 17. Slider; 2. Machine base; 3. Housing; 4. Controller; 5. Waste processing structure; 51. Processing cabinet; 52. Recycled material storage box; 53. Connecting groove; 54. Crushing wheel; 541. Guide slope; 542. Flip plate; 543. Baffle column; 544. Air duct; 545. Fan; 546. Screen 6. Feeding auxiliary structure; 61. Feeding guide rail; 611. Auxiliary guide rail; 612. Electric wheel; 62. Pushing assembly; 621. Pressure plate; 622. Electric push rod II; 623. Positioning plate; 624. U-shaped rod; 63. Positioning auxiliary assembly; 631. Placement platform; 632. Guide groove; 633. Sliding plate; 634. Spring limit rod; 635. Hydraulic bladder; 636. Hydraulic chamber; 637. Top plate; 638. Slide table; 639. Connecting plate. Detailed Implementation

[0021] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0022] A device for removing excess injection molding material from plastic parts of a textile water jet machine, see reference. Figure 1 and Figure 2 The device includes a machine base 2, a housing 3 located on the upper part of the machine base 2, a controller 4 located on one side of the housing 3, a feeding auxiliary structure 6 for conveying and positioning injection molded workpieces on the upper part of the machine base 2, a sprue cutting structure 1 for cutting the sprue of injection molded parts at the rear of the upper part of the machine base 2, and a waste treatment structure 5 for recycling and storing sprue waste at the lower part of the machine base 2. This device is mainly used for removing injection molded residue from water guide joints used in textile water sprayers. The main body of the water guide joint is made of plastic injection molding, and the pipe part is made of metal. After injection molding, the plastic part of the joint body will have residual sprue material. This device can stably cut off the residual sprue material and recycle the cut plastic waste, thereby realizing the recycling of waste plastic resources.

[0023] In Example 1, during operation, the feeding guide rail 61, auxiliary guide rail 611, and electric wheel 612 in the feeding auxiliary structure 6 provide a stable conveying path for the injection molded workpiece, reducing workpiece skewing and wear during conveying and improving feeding efficiency. The electric push rod 622, U-shaped rod 624, pressure plate 621, and positioning plate 623 in the pushing assembly 62 adapt to workpieces of different sizes, improving pushing and positioning stability. The placement platform 631, sliding plate 633, spring limit rod 634, hydraulic bladder 635, and top plate 637 in the positioning auxiliary assembly 63 achieve multi-directional workpiece positioning, ensuring the accuracy of excess material removal. The sprue cutting structure 1, in conjunction with the various positioning structures, reduces excess material waste. The crushing wheel 54, screen 546, and fan 545 in the processing cabinet 51 achieve waste recycling and crushing, improving the efficiency and quality of waste plastic recycling. At the same time, the controller 4 achieves automated control, reducing manual labor intensity.

[0024] For further details, please refer to [link / reference]. Figure 2 and Figure 3 The feeding auxiliary structure 6 includes a feeding guide rail 61 installed in the inner cavity of the machine base 2, a pushing component 62 for pushing materials on the front side of the machine base 2, and a positioning auxiliary component 63 for assisting the sprue cutting structure 1 in sprue removal at the upper rear of the machine base 2. The feeding guide rail 61 can provide a stable conveying path for the injection-molded water guide connector, the pushing component 62 can smoothly push the workpiece to the processing position, and the positioning auxiliary component 63 can fix the workpiece in multiple directions to ensure that the workpiece remains stable during the sprue removal process, thus providing a foundation for the smooth recycling of subsequent plastic waste.

[0025] For further details, please refer to [link / reference]. Figure 4 The feeding assembly 62 includes an electric push rod 622 fixedly installed at the front of the upper end of the machine base 2. The piston rod at the output end of the electric push rod 622 is fixedly connected to a U-shaped rod 624 that is slidably connected to the upper end of the machine base 2. Pressure plates 621 are fixedly connected to the upper ends of the vertical parts on both sides of the U-shaped rod 624. Rubber pads with friction stripes are provided at the bottom of the pressure plates 621. A positioning plate 623 is provided at the upper part of the horizontal part of the U-shaped rod 624 and is fixedly connected to the vertical parts on both sides of the U-shaped rod 624 by an elastic cable. An electromagnet is provided at the rear end of the positioning plate 623. When the electric push rod 622 is working, it can drive the U-shaped rod 624. Sliding backward along the upper end of the machine base 2, the pressure plate 621 moves synchronously with the U-shaped rod 624. The friction stripe rubber pad at the bottom of the pressure plate 621 can increase the friction with the plastic body surface of the water guide connector, reducing the slippage of the workpiece during the pushing process. The electromagnet at the rear end of the positioning plate 623 generates magnetism after being energized, which can attract and fix the plastic body of the water guide connector. The elastic cable can provide a certain amount of movement for the positioning plate 623, so that the pushing assembly 62 can adapt to water guide connectors of different specifications and sizes, improve the stability of the workpiece during the pushing process, and create conditions for subsequent sprue removal and plastic waste recycling.

[0026] For further details, please refer to [link / reference]. Figure 5 and Figure 6 The positioning auxiliary component 63 includes a platform 631 fixedly installed on the upper end of the machine base 2. The upper end of the platform 631 has symmetrically arranged guide grooves 632. Sliding plates 633 are slidably connected to the inner surfaces of both guide grooves 632. Spring limiting rods 634, which are slidably connected to the inner wall of the platform 631, are fixedly connected to the front ends of both sliding plates 633. Connecting plates 639, which are slidably connected to the inner wall of the platform 631, are fixedly connected to the ends of the two sliding plates 633 that are close to each other. When the water guide connector is pushed... When the workpiece is placed on the upper end of the platform 631, both sides of the workpiece will contact the sliding plate 633 and push the sliding plate 633 to move backward along the guide groove 632. The spring limit rod 634 generates an elastic reaction force as the sliding plate 633 moves, so that the sliding plate 633 can apply clamping force to the water guide connector from both sides, preventing the workpiece from shifting left and right when the water outlet is cut off. The connecting plate 639 moves synchronously with the sliding plate 633, which can stably transmit the displacement of the workpiece to the subsequent hydraulic drive components, ensuring that the positioning action is continuous and reliable.

[0027] For further details, please refer to [link / reference]. Figure 6The positioning auxiliary component 63 also includes a hydraulic cavity 636 located at the rear of the upper end of the platform 631. A slide 638 is slidably mounted inside the hydraulic cavity 636. A top plate 637, which is slidably connected to the inner wall of the hydraulic cavity 636, is fixedly connected to the upper end of the slide 638 via a connecting column. A hydraulic bladder 635, which communicates with the hydraulic cavity 636, is provided inside the platform 631. The front side of the hydraulic bladder 635 overlaps with a connecting plate 639. When the connecting plate 639 is pushed backward by the slide plate 633, the connecting plate 639 will compress the hydraulic bladder 635. After being squeezed, the internal hydraulic oil is forced into the hydraulic chamber 636. The hydraulic oil pushes the slide 638 to slide upward along the hydraulic chamber 636. The slide 638 drives the top plate 637 to move upward through the connecting column. After the top plate 637 moves upward, it can support the bottom of the sprue of the plastic body of the water guide connector, forming a corresponding matching relationship with the sprue cutting structure 1. This allows the sprue to obtain stable support when it is cut, reduces the irregularity of sprue breakage, reduces the difficulty of processing plastic waste in subsequent recycling and processing, and helps to improve the quality of plastic recycling.

[0028] For further details, please refer to [link / reference]. Figure 3 and Figure 4 The machine base 2 has through slots on both sides. Feed guide rails 61 are symmetrically installed on the top wall of the through slots. Feed guide rails 61 are fixedly installed at the front of the upper end of the machine base 2. Auxiliary guide rails 611 are symmetrically fixedly installed at the rear of the upper end of the machine base 2 along the left and right sides of the platform 631. Several electric wheels 612 driven by motors are evenly distributed and rotated on the side of the auxiliary guide rails 611 and the feed guide rails 611 near the platform 631. The electric wheels 612 are continuously rotated by motors. The electric wheels 612 contact the bottom of the water guide connector and generate driving force to transport the workpiece backward along the feed guide rails 611 and the auxiliary guide rails 611. The even distribution of multiple electric wheels 612 can make the workpiece bear uniform force, reduce the workpiece from tilting or surface wear during the transport process, ensure the integrity of the workpiece appearance, and at the same time enable the workpiece to enter the positioning auxiliary component 63 smoothly, providing a stable workpiece state for sprue removal and plastic waste recycling.

[0029] Example 2: Based on Example 1, this example further utilizes the L-shaped baffle 11, electric push rod 12, slider 17, connecting rod 15, cutting blade 14, and limiting block 13 in the sprue cutting structure 1. The electric push rod 12 drives the slider 17 to slide along the guide groove 16, and the connecting rod 15 drives the cutting blade 14 to move along the direction defined by the limiting block 13. This, combined with the top plate 637 of the positioning auxiliary component 63, forms a stable shearing action, accurately cutting the sprue residue, reducing cutting deviation, and making the sprue waste material regular in shape. At the same time, the controller 4 realizes automated control, reducing manual labor intensity, improving work efficiency, and making the regular waste material easier to crush and recycle, effectively reducing waste plastic waste and improving the plastic recycling rate.

[0030] For further details, please refer to [link / reference]. Figure 7 The sprue cutting structure 1 includes an L-shaped baffle 11 fixedly installed at the rear of the upper end of the machine base 2. The horizontal front end of the L-shaped baffle 11 has symmetrically arranged guide grooves 16. Slider blocks 17 are slidably connected to the inner walls of the two guide grooves 16. Connecting rods 15 are rotatably connected to the front ends of both sliders 17. A cutting blade 14 is rotatably connected to the side of the two connecting rods 15 that are close to each other. Limiting blocks 13, fixedly connected to the L-shaped baffle 11, are slidably connected to both sides of the cutting blade 14. An electric push rod 12 is fixedly installed inside the L-shaped baffle 11, driving the sliders 17 on both sides to slide in adjacent guide grooves 16. When the sliders 17 move away from each other under the action of the electric push rod 12, the connecting rods 15... The cutting blade 14 slides downward along the direction limited by the limiting block 13 to cut the sprue of the injection molded part. When the electric push rod 12 is working, it drives the sliders 17 on both sides to move away from each other along the guide groove 16. The sliders 17 drive the connecting rod 15 to change angle. The connecting rod 15 then pushes the cutting blade 14 to move downward along the vertical direction limited by the limiting block 13. When the cutting blade 14 moves downward, it cooperates with the top plate 637 to form a shearing action on the sprue of the plastic body of the water guide connector, cutting off the sprue residue from the workpiece body. The limiting block 13 can constrain the movement trajectory of the cutting blade 14, reduce the cutting position deviation, and make the cut sprue waste more regular in shape, which is convenient for subsequent crushing and plastic recycling.

[0031] Example 3, based on Example 2, further utilizes the processing cabinet 51, connecting trough 53, and guide slope 541 in the waste processing structure 5 to quickly collect waste from the sprue onto the crushing wheel 54, preventing waste accumulation from affecting equipment operation; the crushing wheel 54, screen 546, and recycling storage box 52 work together to crush and screen the waste, with qualified particles collected for subsequent recycling and reprocessing; the air duct 544, fan 545, flap 542, and baffle 543 work together to achieve secondary crushing of larger waste particles, improving waste utilization, reducing plastic resource waste, comprehensively meeting the core requirements of waste plastic recycling, reducing recycling costs, and improving recycling quality and efficiency.

[0032] For further details, please refer to [link / reference]. Figure 8The waste processing structure 5 includes a processing cabinet 51 fixedly installed at the lower end of the machine base 2. The upper end of the machine base 2 has a connecting groove 53 that communicates with the inner cavity of the processing cabinet 51. The lower front end of the processing cabinet 51 is slidably connected to a recycling storage box 52 via a drawer slide rail. The front and rear of the inner cavity of the processing cabinet 51 are symmetrically arranged with crushing wheels 54 for crushing plastic sprue waste. The cut sprue waste falls into the processing cabinet 51 through the connecting groove 53, preventing waste from scattering on the upper end of the machine base 2 and affecting the normal operation of the equipment. The crushing wheels 54 can crush the sprue waste, turning the blocky waste into smaller particles, reducing the space occupied by waste, and facilitating subsequent plastic recycling and reprocessing. The recycling storage box 52 can centrally collect the processed plastic particles, facilitating unified transportation and reuse.

[0033] For further details, please refer to [link / reference]. Figure 9 The upper part of the inner cavity of the processing cabinet 51 is fixedly connected to a guide slope 541 for guiding the collection of sprue waste. The bottom of the guide slope 541 is connected to the feed inlet of the crushing wheel 54. The lower part of the inner cavity of the processing cabinet 51 is fixedly connected to an inclined screen 546. The screen 546 is located above the recycling storage box 52. After the sprue waste falls into the processing cabinet 51, it slides down along the guide slope 541 and can naturally collect at the feed inlet of the crushing wheel 54, reducing the accumulation of waste in the cabinet. The crushed plastic particles fall to the upper end of the screen 546. The inclined setting of the screen 546 allows the particles to move slowly under their own gravity, while screening the particles. Plastic particles that meet the particle size requirements pass through the screen 546 and fall into the recycling storage box 52 for subsequent plastic recycling. Larger particles move down along the screen 546 until they enter the air duct 544.

[0034] For further details, please refer to [link / reference]. Figure 9 The rear of the inner cavity of the processing cabinet 51 and the rear end of the guide slope 541 together form an air duct 544. The portion of the inner cavity of the processing cabinet 51 located above the air duct 544 is rotatably connected to a flap 542 via a torsion spring. The portion of the inner cavity of the processing cabinet 51 located above the flap 542 is equipped with a baffle 543 that limits the rotation angle of the flap 542. When the flap 542 is opened, the opening faces forward. A fan 545 is fixedly connected to the bottom of the inner cavity of the processing cabinet 51 located at the air duct 544. The outlet side of the fan 545 is located at the tail end of the inclined surface of the screen 546. Plastic waste particles larger than the mesh size of the screen 546 pass through the fan 545. The function is to transport the plastic particles upward along the air duct 544 back to the upper side of the guide slope 541. When the fan 545 is working, it generates an upward airflow. The airflow flows along the air duct 544 and blows the larger plastic particles on the screen 546 upward. Under the action of the airflow, the particles push the flap 542 to rotate around the torsion spring. The baffle 543 can limit the maximum opening angle of the flap 542, so that the particles can fall accurately into the upper end of the guide slope 541 and re-enter the crushing wheel 54 for secondary crushing until the particle size meets the requirements. Through the cyclic crushing process, the utilization rate of sprue waste can be improved and the waste of plastic resources can be reduced.

[0035] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of this invention is defined by the appended claims and their equivalents.

Claims

1. A device for removing excess material from plastic injection molding parts of a textile water sprayer, comprising a machine base (2), a housing (3) disposed on the upper end of the machine base (2), and a controller (4) disposed on one side of the housing (3), characterized in that: The upper end of the machine base (2) is provided with a feeding auxiliary structure (6) for conveying and positioning injection molded workpieces, the rear part of the upper end of the machine base (2) is provided with a sprue cutting structure (1) for cutting the sprue of injection molded parts, and the lower end of the machine base (2) is provided with a waste material treatment structure (5) for recycling sprue waste and processing and storing it.

2. The device for removing excess injection molding material from plastic parts of a textile water jet machine according to claim 1, characterized in that: The feeding auxiliary structure (6) includes a feeding guide rail (61) set in the inner cavity of the machine (2), a pushing component (62) for pushing materials is set on the front side of the machine (2), and a positioning auxiliary component (63) for assisting the sprue cutting structure (1) to cut the sprue is set on the upper rear part of the machine (2).

3. The device for removing excess injection molding material from plastic parts of a textile water jet machine according to claim 2, characterized in that: The feeding assembly (62) includes an electric push rod two (622) fixedly installed at the front of the upper end of the machine base (2). The piston rod at the output end of the electric push rod two (622) is fixedly connected to a U-shaped rod (624) that is slidably connected to the upper end of the machine base (2). The upper ends of the vertical parts on both sides of the U-shaped rod (624) are fixedly connected to pressure plates (621). The bottom of the pressure plate (621) is provided with a rubber pad with friction stripes. The upper part of the horizontal part of the U-shaped rod (624) is provided with a positioning plate (623) that is fixedly connected to the vertical parts on both sides of the U-shaped rod (624) by an elastic cable. The rear end of the positioning plate (623) is provided with an electromagnet.

4. The device for removing excess injection molding material from plastic parts of a textile water jet machine according to claim 2, characterized in that: The positioning auxiliary component (63) includes a platform (631) fixedly installed on the upper end of the machine base (2). The upper end of the platform (631) is symmetrically provided with guide grooves (632). The inner surfaces of the two guide grooves (632) are slidably connected with sliding plates (633). The front ends of the two sliding plates (633) are fixedly connected with spring limiting rods (634) that are slidably connected to the inner wall of the platform (631). The ends of the two sliding plates (633) that are close to each other are fixedly connected with connecting plates (639) that are slidably connected to the inner wall of the platform (631).

5. The device for removing excess injection molding material from plastic parts of a textile water jet machine according to claim 4, characterized in that: The positioning auxiliary component (63) further includes a hydraulic cavity (636) located at the upper rear of the platform (631). A slide (638) is slidably installed inside the hydraulic cavity (636). A top plate (637) is fixedly connected to the upper end of the slide (638) via a connecting column and is slidably connected to the inner wall of the hydraulic cavity (636). A hydraulic bladder (635) communicating with the hydraulic cavity (636) is provided inside the platform (631). The front side of the hydraulic bladder (635) overlaps with the connecting plate (639).

6. The device for removing excess injection molding material from plastic parts of a textile water jet machine according to claim 4, characterized in that: The machine base (2) is provided with through slots on the left and right sides. Feed guide rails (61) are symmetrically installed on the top wall of the through slots. Feed guide rails (61) are fixedly installed on the front of the upper end of the machine base (2). Auxiliary guide rails (611) are symmetrically fixedly installed on the rear of the upper end of the machine base (2) along the left and right sides of the platform (631). Several electric wheels (612) driven by motors are evenly distributed and rotated on the side of the auxiliary guide rails (611) and the feed guide rails (61) near the platform (631).

7. The device for removing excess injection molding material from plastic parts of a textile water jet machine according to claim 1, characterized in that: The sprue cutting structure (1) includes an L-shaped baffle (11) fixedly installed at the rear of the upper end of the machine base (2). The front end of the horizontal part of the L-shaped baffle (11) is symmetrically provided with guide grooves (16). The inner walls of the two guide grooves (16) are respectively slidably connected with sliders (17). The front ends of the two sliders (17) are rotatably connected with connecting rods (15). The two connecting rods (15) are rotatably connected with a cutting blade (14) on the side that is close to each other. The left and right sides of the cutting blade (14) are slidably connected with limiting blocks (13) fixedly connected to the L-shaped baffle (11). The inner cavity of the L-shaped baffle (11) is fixedly installed with an electric push rod (12) that drives the sliders (17) on both sides to slide in the adjacent guide grooves (16). When the sliders (17) move away from each other under the action of the electric push rod (12), the cutting blade (14) is driven by the action of the connecting rod (15) to slide downward along the limiting direction of the limiting block (13) to cut the sprue of the injection molded part.

8. The device for removing excess injection molding material from plastic parts of a textile water jet machine according to claim 1, characterized in that: The waste treatment structure (5) includes a treatment cabinet (51) fixedly installed at the lower end of the machine base (2). The upper end of the machine base (2) is provided with a communication groove (53) that communicates with the inner cavity of the treatment cabinet (51). The lower front end of the treatment cabinet (51) is slidably connected to a recycling storage box (52) via a drawer slide rail. The front part of the inner cavity of the treatment cabinet (51) is symmetrically provided with crushing wheels (54) for crushing plastic parts sprues.

9. The device for removing excess injection molding material from plastic parts of a textile water jet machine according to claim 8, characterized in that: The upper part of the inner cavity of the processing cabinet (51) is fixedly connected to a guide slope (541) for guiding the collection of waste from the water inlet. The bottom of the slope of the guide slope (541) is connected to the feed inlet of the crushing wheel (54). The lower part of the inner cavity of the processing cabinet (51) is fixedly connected to a screen (546) that is inclined and located above the recycling storage box (52).

10. The device for removing excess injection molding material from plastic parts of a textile water jet machine according to claim 9, characterized in that: The rear part of the inner cavity of the processing cabinet (51) and the rear end of the guide slope (541) together form an air duct (544). The part of the inner cavity of the processing cabinet (51) located on the upper side of the air duct (544) is rotatably connected to a flap (542) by a torsion spring. The part of the inner cavity of the processing cabinet (51) located on the upper side of the flap (542) is provided with a baffle (543) to limit the rotation angle of the flap (542). When the flap (542) is opened, the opening faces forward. A fan (545) is fixedly connected to the bottom of the air duct (544) in the inner cavity of the processing cabinet (51). The air outlet side of the fan (545) is located at the tail of the inclined surface of the screen (546). Plastic waste with particles larger than the mesh size of the screen (546) is transported upward along the air duct (544) and back to the upper side of the guide slope (541) by the action of the fan (545).

Images