Constant damping type screw extrusion molding machine

Abstract

The invention discloses a constant damping type screw extrusion forming machine which comprises a rack, a screw feeder and a feeder driving motor, the screw feeder is arranged on one side of the upper end of the rack, the feeder driving motor is arranged in one end of the rack and drives the screw feeder through a chain, and the constant damping type screw extrusion forming machine is characterized by further comprising a machine head and a cutter device, the machine head is connected with the discharge port end of the screw feeder and communicated with the screw feeder, the cutter device is arranged on one side of the rack, and the other end of the machine head is connected with the cutter device and used for cutting materials conveyed to the cutter device by the machine head; a damping plate is arranged in the machine head, and a round hole for materials to pass through is formed in the damping plate; when the materials pass through the damping plate, the materials are evenly stacked at the tail of the machine head, at the moment, the materials located at the tail of the machine head are evenly extruded, it can be guaranteed that the extrusion rates of the materials are consistent after the materials pass through a forming die opening, and therefore formed materials with the approximately-uniform length are obtained.

Description

Technical Field

[0001] The invention relates to the technical field of chemical equipment, in particular to a constant damping screw extrusion molding machine. Background Art

[0002] In the production of industrial chemical industry, the equipment in the automated production line forces the feeder to press the material into the feed pipe of the screw machine, and the material is preformed under the push of the screw of the screw machine; however, when the existing screw extrusion molding machine conveys the material to the cutting mechanism, the material will accumulate at the tail of the machine head, which will cause the materials at different positions of the machine head and tail to be subjected to different backlog pressures, which will cause the materials to enter the molding die at different speeds. The material at the position with high pressure will come out faster, while the material at the position with low pressure will come out slower. This will result in different lengths of materials coming out of different positions at the same time, which will lead to inconsistent lengths of processed materials and affect the quality of the product;

[0003] Therefore, in view of the technical problems described above, a constant damping screw extrusion molding machine is urgently needed. Summary of the invention

[0004] The technical problem to be solved by the present invention is to overcome the defects of the above-mentioned technology and provide a constant damping screw extrusion molding machine.

[0005] In order to solve the above technical problems, the technical solution provided by the present invention is a constant damping screw extrusion molding machine: comprising a frame, a screw feeder and a feeder driving motor, wherein a screw feeder is arranged on one side of the upper end of the frame, a feeder driving motor is arranged inside one end of the frame, and the feeder driving motor drives the screw feeder through a chain, and is characterized in that: it also includes a die and a cutter device, wherein the die is connected to the discharge port end of the screw feeder and is communicated with the screw feeder, and the cutter device is arranged on one side of the frame, and the other end of the die is connected to the cutter device for cutting the material transmitted from the die to the cutter device;

[0006] A damping plate is arranged in the machine head, and a circular hole for materials to pass through is arranged on the damping plate.

[0007] As an improvement, the cutter device includes a reduction motor, a bearing seat, a sleeve, a rotating shaft, a sleeve, a connector, a knife cover and a forming mechanism, the bearing seat is arranged at the upper part of one end of the frame, the reduction motor is arranged in one end of the frame, a sleeve is rotatably arranged in one end of the bearing seat, pulleys are arranged on the reduction motor and the sleeve, the two pulleys are connected by a belt, first teeth are evenly arranged on the inner wall of the sleeve, a sliding gear meshing with the first teeth is arranged in the sleeve, a sleeve is arranged in the other end of the bearing seat, a connector is arranged at the other end of the sleeve located outside the bearing seat, a knife cover is arranged at one end of the connector, the knife cover is movably connected to the machine head, a forming mechanism is arranged in the knife cover, the forming mechanism is connected and matched with the machine head, a rotating shaft is rotatably arranged in the sleeve, one end of the rotating shaft is connected to the sliding gear, the other end of the rotating shaft passes through the connector and extends into the knife cover, a U-shaped frame is arranged at one end of the rotating shaft extending into the knife cover, the U-shaped frame cooperates with the forming mechanism, a discharge port is arranged at the lower side of one side of the knife cover, and a feed port is arranged at the upper side of the other side of the knife cover;

[0008] A support rod is provided at one end of the bearing seat, a fixing hole is provided on the support rod, a bolt is provided in the fixing hole, an L-shaped gear rod is provided above the support rod, an adjustment groove is provided at the lower end of the L-shaped gear rod, the L-shaped gear rod is connected by the adjustment groove and the bolt, and the upper end of the L-shaped gear rod extends to the sleeve port.

[0009] As an improvement, a cavity is provided at the lower end of the bearing seat, and a slot connected to the interior of the bearing seat is provided at positions corresponding to the bearing seat and the cavity. A base is provided in the cavity, and a shaft is rotatably provided on the base. One end of the shaft extends to directly below the slot, and an adjusting gear is provided at the end of the shaft extending to directly below the slot. A plurality of second teeth are evenly provided at the lower end of the sleeve, and the adjusting gear is meshed with the second teeth. A handle is provided at the other end of the shaft.

[0010] As an improvement, a slide groove is provided at the upper end of the sleeve, a screw hole is provided at the upper end of the bearing seat and at a position corresponding to the slide groove, a positioning bolt is provided in the screw hole, a positioning hole is provided at the bottom of the slide groove, the positioning bolt and the positioning hole cooperate, an oil filling pipe is provided at a position on the bearing seat and corresponding to the slide groove, and the lower end of the oil filling pipe extends into the slide groove.

[0011] As an improvement, bearings are provided at both ends of the sleeve, and the rotating shaft is located in the bearings.

[0012] As an improvement, the forming mechanism includes a forming mold, a conical protective cover and a knife shaft tube. The forming mold is arranged at one end of the machine head. An axial hole is arranged in the middle of the forming mold. A connecting shaft is arranged in the axial hole. One end of the connecting shaft extends to the rear end of the forming mold and is rotatably provided with a knife shaft tube. A plurality of knife holders are evenly arranged on the knife shaft tube. A cutting knife is connected to the knife holder by bolts. The conical protective cover is arranged at the front end of the forming mold to protect the connecting shaft. A plurality of conical holes for material to pass through are evenly arranged on the forming mold.

[0013] As an improvement, the end of the tapered hole with a larger diameter is close to the damping plate.

[0014] As an improvement, a pressure sensor is provided on the machine head.

[0015] The advantages of the present invention compared with the prior art are:

[0016] 1. A damping plate is provided inside the die head, and a circular hole is provided on the damping plate for the material to pass through. After the material passes through the damping plate, the material is evenly accumulated at the tail of the die head. At this time, the material at the tail of the die head is evenly extruded, which can ensure that the extrusion rate of the material is consistent after passing through the molding die mouth, thereby obtaining molding materials with nearly uniform length;

[0017] 2. The first teeth are evenly arranged on the inner wall of the cylinder, and a sliding gear meshing with the first teeth is arranged in the sleeve, so that the sliding gear can slide along the axis of the first teeth, and the sleeve can be driven to move left and right by turning the handle, thereby realizing the separation and docking of the knife cover and the machine head, which is convenient for trimming the forming mechanism and cleaning the residual materials in the knife cover; at the same time, it does not affect the rotation of the sliding gear driven by the sleeve.

[0018] 3. A pressure sensor is installed on the machine head to sense the changes in the pressure value of the machine head in real time, and then feed it back to the control system to facilitate the control of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a side view of a constant damping screw extrusion molding machine of the present invention.

[0020] Figure 2 It is a front view of a constant damping screw extrusion molding machine of the present invention.

[0021] Figure 3 It is a top view of a constant damping screw extrusion molding machine of the present invention.

[0022] Figure 4 The present invention is a three-dimensional structural schematic diagram of a cutter device of a constant damping screw extrusion molding machine.

[0023] Figure 5 It is a rear view of a cutter device of a constant damping screw extrusion molding machine of the present invention.

[0024] Figure 6 The present invention is a structural schematic diagram of a damping plate of a constant damping screw extrusion molding machine.

[0025] Figure 7 yes Figure 2 Cross-sectional view at AA in the middle.

[0026] Figure 8 yes Figure 5 Cross-sectional view at the middle BB.

[0027] Fig. 9 yes Figure 8 A partial enlarged view of point C in the middle.

[0028] Fig.10 yes Figure 8 A partial enlarged view of point D in the middle.

[0029] As shown in the figure:

[0030] 100, frame, 200, screw feeder, 300, feeder drive motor, 400, machine head, 401, damping plate, 402, round hole, 403, pressure sensor, 501, reduction motor, 502, bearing seat, 503, sleeve, 504, rotating shaft, 505, sleeve, 506, connector, 507, knife cover, 508, pulley, 509, first tooth, 510, sliding gear, 511, U-shaped frame, 512, discharge port, 513, support rod, 514, fixing hole, 515, L-shaped gear lever , 516, adjusting groove, 517, cavity, 518, notch, 519, base, 520, shaft, 521, adjusting gear, 522, second tooth, 523, handle, 524, slide groove, 525, screw hole, 526, positioning bolt, 527, positioning hole, 528, oil filling pipe, 529, bearing, 530, feed port, 601, molding mold, 602, conical protective cover, 603, knife shaft tube, 604, shaft hole, 605, connecting shaft, 606, knife holder, 607, cutter, 608, conical hole. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, 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 part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0032] Combined with Figure 1-10A constant damping screw extrusion molding machine comprises a frame 100, a screw feeder 200 and a feeder driving motor 300, wherein the screw feeder 200 is arranged on one side of the upper end of the frame 100, and the feeder driving motor 300 is arranged inside one end of the frame 100, and the feeder driving motor 300 drives the screw feeder 200 through a chain, and is characterized in that: it also comprises a die 400 and a cutter device, the die 400 is connected to the discharge port end of the screw feeder 200, and is communicated with the screw feeder 200 to ensure that the material can smoothly enter the die 400, and the cutter device is arranged on one side of the frame 100, and the other end of the die 400 is connected to the cutter device for cutting the material transmitted from the die 400 to the cutter device;

[0033] The die head 400 is provided with a damping plate 401 , and the damping plate 401 is provided with a circular hole 402 for the material to pass through, so as to provide a constant material flow resistance and ensure that the material maintains a stable pressure and speed during the extrusion process.

[0034] The cutting device includes a reduction motor 501, a bearing seat 502, a sleeve 503, a rotating shaft 504, a sleeve 505, a connector 506, a knife cover 507 and a forming mechanism. The bearing seat 502 is arranged on the upper part of one end of the frame 100, and the reduction motor 501 is arranged in one end of the frame 100. A sleeve 503 is rotatably arranged in one end of the bearing seat 502. Pulleys 508 are arranged on the reduction motor 501 and the sleeve 503. The two pulleys 508 are connected by belts. Protective covers are arranged on the outside of the pulleys 508 and the belt. First teeth 509 are evenly arranged on the inner wall of the sleeve 503. A sliding gear 510 meshing with the first teeth 509 is arranged in the sleeve 503 to realize power transmission, and at the same time, the sliding gear 510 can move left and right along the axis of the first teeth 509. The other side of the bearing seat 502 A sleeve 505 is provided in the end, and a connector 506 is provided at the other end of the sleeve 505 outside the bearing seat 502, and a knife cover 507 is provided at one end of the connector 506, and the knife cover 507 is movably connected to the machine head 400, and a forming mechanism is provided in the knife cover 507, and the forming mechanism is connected and matched with the machine head 400. A rotating shaft 504 is rotatably provided in the sleeve 505, and one end of the rotating shaft 504 is connected to a sliding gear 510, and the other end of the rotating shaft 504 passes through the connector 506 and extends into the knife cover 507, and a U-shaped frame 511 is provided at one end of the rotating shaft 504 extending into the knife cover 507, and the U-shaped frame 511 cooperates with the forming mechanism to drive the forming mechanism and the cutter to work, and a discharge port 512 is provided at the lower side of one side of the knife cover 507, and a feed port 530 is provided at the upper side of the other side of the knife cover 507;

[0035] A support rod 513 is provided at one end of the bearing seat 502, and a fixing hole 514 is provided on the support rod 513. A bolt is provided in the fixing hole 514. An L-shaped lever 515 is provided above the support rod 513, and an adjustment groove 516 is provided at the lower end of the L-shaped lever 515. The L-shaped lever 515 is connected to the bolt through the adjustment groove 516. The upper end of the L-shaped lever 515 extends to the end of the sleeve 503. On the one hand, the sliding gear 510 can be limited to prevent the sliding gear 510 from sliding out of the sleeve 503 during adjustment. On the other hand, the L-shaped lever 515 can be adjusted left and right through the adjustment groove 516, thereby adjusting the distance between the upper end of the L-shaped lever 515 and the end of the sleeve 503, thereby adjusting the length of the sliding gear 510 exceeding the sleeve 503.

[0036] A cavity 517 is provided at the lower end of the bearing seat 502, and a notch 518 communicating with the interior of the bearing seat 502 is provided at a position corresponding to the bearing seat 502 and the cavity 517. A base 519 is provided in the cavity 517, and a shaft rod 520 is rotatably provided on the base 519. One end of the shaft rod 520 extends to directly below the notch 518, and an adjusting gear 521 is provided at the end of the shaft rod 520 extending to directly below the notch 518. A plurality of second teeth 522 are evenly provided at the lower end of the sleeve 505, and the adjusting gear 521 is meshed with the second teeth 522. A handle 523 is provided at the other end of the shaft rod 520, and the sleeve is driven to move left and right by rotating the handle 523, thereby realizing the separation and docking of the knife cover 507 and the machine head 400. A sealing ring is provided on the machine head 400, so that when the knife cover 507 and the machine head 400 are docked, the connection between the two is made more closed.

[0037] A slide groove 524 is provided at the upper end of the sleeve 505, a screw hole 525 is provided at the upper end of the bearing seat 502 and at a position corresponding to the slide groove 524, a positioning bolt 526 is provided in the screw hole 525, a positioning hole 527 is provided at the bottom of the slide groove 524, the positioning bolt 526 cooperates with the positioning hole 527, an oil filling pipe 528 is provided at a position on the bearing seat 502 and corresponding to the slide groove 524, and the lower end of the oil filling pipe 528 extends into the slide groove 524.

[0038] Bearings 529 are disposed at both ends of the sleeve 505 , and the rotating shaft 504 is located in the bearings 529 .

[0039] The molding mechanism includes a molding die 601, a conical protective cover 602 and a knife shaft tube 603. The molding die 601 is arranged at one end of the machine head 400. An axial hole 604 is arranged in the middle of the molding die 601. A connecting shaft 605 is arranged in the axial hole 604. One end of the connecting shaft 605 extends to the rear end of the molding die 601 and is rotatably provided with a knife shaft tube 603. A plurality of knife holders 606 are evenly arranged on the knife shaft tube 603. A cutter 607 is connected to the knife holder 606 by bolts. The cutter 607 is located behind the molding die 601 and cooperates with the molding die 601 to cut the material coming out of the molding die 601. The conical protective cover 602 is arranged at the front end of the molding die 601 to protect the connecting shaft 605. A plurality of conical holes 608 for the material to pass through are evenly arranged on the molding die 601. The end of the conical hole 608 with a larger diameter is close to the damping plate 401, which is conducive to the smooth entry and uniform distribution of the material.

[0040] The handpiece 400 is provided with a pressure sensor 403 to sense the change of the handpiece pressure value in real time and then feed it back to the control system to facilitate the control of the equipment.

[0041] When the present invention is implemented,

[0042] First, connect the equipment to the remote PLC program. Using the remote PLC program visual operation, the operator can remotely control the operation of the equipment and realize unmanned operation on site, which completely solves the safety problem of on-site personnel. Then connect the feeder discharge port to the screw feeder 200 feed port.

[0043] Start the feeder to feed the screw feeder 200 with materials, start the feeder drive motor 300, and feed the materials into the die head 400 through the screw feeder 200; the materials are subjected to the constant damping effect of the damping plate 401 in the die head 400, and the materials will flow out from the circular hole 402 at a stable pressure and speed, and the outflowing materials will be evenly accumulated at the tail of the die head. The materials at the tail of the die head are evenly extruded, and the materials will have a consistent extrusion rate after entering the tapered hole 608 of the forming mold 601;

[0044] When the reduction motor 501 is started, the sleeve 503 is driven to rotate through the belt, and then the sliding gear 510 is driven to rotate. Then, the knife holder 606 is driven to rotate through the rotating shaft 504 using the U-shaped frame 511. The rotation of the cutter 607 will cut the material extruded from the tapered hole 608. The cut material will be discharged from the two discharge ports 512 on the knife cover 507, thereby obtaining a molded material with a nearly uniform length.

[0045] The sleeve 505 can be moved left and right by rotating the handle 523, thereby realizing the separation and docking of the knife cover 507 and the machine head 400, so as to facilitate the trimming of the forming mechanism and the cleaning of the residual materials in the knife cover 507; at the same time, it does not affect the rotation of the sliding gear 510 driven by the sleeve.

[0046] In the description of the embodiments of the present invention, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the invented product is usually placed when used. It is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0047] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components must be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0048] In the description of the embodiments of the present invention, "plurality" means at least 2.

[0049] In the description of the embodiments of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0050] The present invention and its embodiments are described above, and such description is not restrictive. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if ordinary technicians in the field are inspired by it, without departing from the purpose of the invention, they can design a structure and embodiment similar to the technical solution without creativity, which should belong to the protection scope of the present invention.

Claims

1. A constant damping screw extrusion molding machine, comprising a frame (100), a screw feeder (200) and a feeder drive motor (300), wherein the screw feeder (200) is arranged on one side of the upper end of the frame (100), and the feeder drive motor (300) is arranged inside one end of the frame (100), and the feeder drive motor (300) drives the screw feeder (200) through a chain, characterized in that: It also includes a head (400) and a cutter device, wherein the head (400) is connected to the discharge port end of the screw feeder (200) and communicates with the screw feeder (200), the cutter device is arranged on one side of the frame (100), and the other end of the head (400) is connected to the cutter device for cutting the material transmitted from the head (400) to the cutter device; A damping plate (401) is provided inside the machine head (400), and a circular hole (402) is provided on the damping plate (401) for materials to pass through.

2. A constant damping screw extrusion molding machine according to claim 1, characterized in that: The cutting device comprises a reduction motor (501), a bearing seat (502), a sleeve (503), a rotating shaft (504), a sleeve (505), a connector (506), a knife cover (507) and a forming mechanism, wherein the bearing seat (502) is arranged at the upper part of one end of the frame (100), the reduction motor (501) is arranged in one end of the frame (100), a sleeve (503) is rotatably arranged in one end of the bearing seat (502), a pulley (508) is arranged on the reduction motor (501) and the sleeve (503), the two pulleys (508) are connected by a belt, first teeth (509) are evenly arranged on the inner wall of the sleeve (503), a sliding gear (510) meshing with the first teeth (509) is arranged in the sleeve (503), a sleeve (505) is arranged in the other end of the bearing seat (502), and the sleeve (505) is positioned at the bottom of the sleeve (503). A connector (506) is provided at the other end outside the bearing seat (502), a knife cover (507) is provided at one end of the connector (506), the knife cover (507) is movably connected to the machine head (400), a molding mechanism is provided inside the knife cover (507), the molding mechanism is connected and matched with the machine head (400), a rotating shaft (504) is rotatably provided inside the sleeve (505), one end of the rotating shaft (504) is connected to a sliding gear (510), the other end of the rotating shaft (504) passes through the connector (506) and extends into the knife cover (507), a U-shaped frame (511) is provided at one end of the rotating shaft (504) extending into the knife cover (507), the U-shaped frame (511) is matched with the molding mechanism, a discharge port (512) is provided at the lower part of one side of the knife cover (507), and a feed port (530) is provided at the upper part of the other side of the knife cover (507); A support rod (513) is provided at one end of the bearing seat (502), a fixing hole (514) is provided on the support rod (513), a bolt is provided in the fixing hole (514), an L-shaped gear rod (515) is provided above the support rod (513), an adjustment groove (516) is provided at the lower end of the L-shaped gear rod (515), the L-shaped gear rod (515) is connected to the bolt via the adjustment groove (516), and the upper end of the L-shaped gear rod (515) extends to the end of the sleeve (503).

3. A constant damping screw extrusion molding machine according to claim 2, characterized in that: A cavity (517) is provided at the lower end of the bearing seat (502), and a notch (518) communicating with the interior of the bearing seat (502) is provided at positions corresponding to the bearing seat (502) and the cavity (517). A base (519) is provided in the cavity (517), and a shaft (520) is rotatably provided on the base (519). One end of the shaft (520) extends to directly below the notch (518), and an adjusting gear (521) is provided at the end of the shaft (520) extending to directly below the notch (518). A plurality of second teeth (522) are evenly provided at the lower end of the sleeve (505), and the adjusting gear (521) is meshed with the second teeth (522). A handle (523) is provided at the other end of the shaft (520).

4. A constant damping screw extrusion molding machine according to claim 3, characterized in that: A slide groove (524) is provided at the upper end of the sleeve (505), a screw hole (525) is provided at a position corresponding to the upper end of the bearing seat (502) and the slide groove (524), a positioning bolt (526) is provided in the screw hole (525), a positioning hole (527) is provided at the bottom of the slide groove (524), the positioning bolt (526) and the positioning hole (527) cooperate, an oil injection pipe (528) is provided at a position corresponding to the slide groove (524) on the bearing seat (502), and the lower end of the oil injection pipe (528) extends into the slide groove (524).

5. A constant damping screw extrusion molding machine according to claim 2, characterized in that: Bearings (529) are provided at both ends of the sleeve (505), and the rotating shaft (504) is located in the bearings (529).

6. A constant damping screw extrusion molding machine according to claim 2, characterized in that: The molding mechanism comprises a molding die (601), a conical protective cover (602) and a knife shaft tube (603); the molding die (601) is arranged at one end of the machine head (400); an axial hole (604) is arranged in the middle of the molding die (601); a connecting shaft (605) is arranged in the axial hole (604); one end of the connecting shaft (605) extends to the rear end of the molding die (601) and is rotatably provided with a knife shaft tube (603); a plurality of knife holders (606) are evenly arranged on the knife shaft tube (603); a cutting knife (607) is connected to the knife holder (606) by bolts; the conical protective cover (602) is arranged at the front end of the molding die (601) to protect the connecting shaft (605); and a plurality of conical holes (608) for materials to pass through are evenly arranged on the molding die (601).

7. A constant damping screw extrusion molding machine according to claim 6, characterized in that: The end of the tapered hole (608) with a larger diameter is close to the damping plate (401).

8. A constant damping screw extrusion molding machine according to claim 1, characterized in that: The machine head (400) is provided with a pressure sensor (403).

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