Feeding structure for plastic extruder

Abstract

The utility model discloses a feeding structure for a plastic extruder, which comprises a machine body and a feeding hopper, a fixed frame is arranged in the feeding hopper, a screen is arranged in the fixed frame, an anti-accumulation component is arranged in the feeding hopper, a locking component is arranged between the screen and the fixed frame, and the locking component is connected with the fixed frame. The anti-accumulation part comprises a motor fixedly connected with one side of the feeding hopper, a driving shaft fixedly connected with the output end of the motor, fixing rings fixedly connected with the two sides of the driving shaft correspondingly, supporting rods fixedly connected with the bottoms of the fixing rings, and beating balls fixedly connected with the bottoms of the supporting rods. Through the arrangement of the machine body, the feeding hopper, the fixing frame, the screen and the anti-accumulation part, the problems that when an existing plastic extruder is used, although feeding can be conducted through the feeding hopper, plastic particles are prone to blockage in the feeding process, the plastic particles are accumulated, normal feeding of the plastic particles is affected, and the plastic particles cannot be blocked easily are solved. And therefore, the practicability is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic extruder, concretely to a feeding structure for plastic extruder. BACKGROUND

[0002] The plastic extruder is a common plastic mechanical equipment, and the extrusion molding process of the plastic extruder is to heat a high molecular compound (plastic) to about 200 DEG C to make it become a melt or viscous fluid. Under the extrusion of the screw or plunger of the extruder, the plastic is continuously formed through a die to become a continuous profile with a constant cross-sectional shape. The plastic extruder needs to add raw materials by using a feeding hopper during production.

[0003] The existing patent CN218701102U discloses a plastic extruder stirring device, which comprises an extruder body, a feeding hopper, a mixing structure, a motor, a stirring rod, a stirring plate, a discharge chute, a feeding port, a discharging structure and a driving structure. The utility model has the advantages that the inner wall of the feeding hopper is provided with a discharge chute, the top of the feeding hopper is provided with a feeding port, the feeding hopper is provided with a discharging structure and a driving structure, the discharging structure is connected to the discharge chute, and the driving structure is connected to the discharging structure. First, the discharge chute is sealed by the driving structure and the discharging structure, so that the plastic raw materials are added into the feeding hopper through the feeding port. The motor is started, the motor drives the stirring rod to rotate, and then the stirring plate drives the plastic raw materials in the feeding hopper to mix and stir. After sufficient mixing and uniform stirring, the discharging structure is separated from the discharge chute by the driving structure, so that the uniformly mixed raw materials can enter the extruder body, which is convenient for extrusion and improves the plastic extrusion quality and is convenient to use.

[0004] Based on the above-mentioned patent search and combined with the feeding structure in the prior art, it is found that the current plastic extruder can feed through the feeding hopper during use, but the plastic particles are prone to blockage during feeding, which leads to the accumulation of plastic particles and affects the normal feeding of the plastic particles, thereby reducing the practicality. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a feeding structure for a plastic extruder to solve the problem that the current plastic extruder can feed through the feeding hopper during use, but the plastic particles are prone to blockage during feeding, which leads to the accumulation of plastic particles and affects the normal feeding of the plastic particles, thereby reducing the practicality.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a feeding structure for a plastic extruder, comprising a machine body and a feeding hopper, a fixed frame is arranged in the feeding hopper, a screen is arranged in the fixed frame, an anti-accumulation component is arranged in the feeding hopper, and a locking component is arranged between the screen and the fixed frame.

[0007] The anti-accumulation component comprises a motor fixedly connected with one side of the feeding hopper, a driving shaft fixedly connected with an output end of the motor, fixed rings fixedly connected with two sides of the driving shaft respectively, a supporting rod fixedly connected with a bottom of the fixed ring, a knocking ball fixedly connected with a bottom of the supporting rod, sliding grooves respectively arranged in two sides of the feeding hopper, sliding blocks fixedly connected with two sides of the fixed frame respectively, a first spring fixedly connected with a top of the sliding block, and a dredging component for improving the anti-blocking effect, wherein the driving shaft is rotationally connected with the feeding hopper, and the sliding block is slidingly connected with the sliding groove.

[0008] Preferably, the locking component comprises sliding openings respectively arranged in two sides of a top of the fixed frame, a moving groove arranged in a bottom of the sliding opening, a moving block arranged in the moving groove, a second spring fixedly connected with one side of the moving block, a sliding plate fixedly connected with a top of the moving block, a locking rod fixedly connected with one side of the sliding plate, and locking grooves respectively arranged in two sides of the screen, wherein the locking rod is inserted into the locking groove, the locking rod penetrates through the sliding opening and is slidingly connected with the fixed frame, and the moving block is slidingly connected with the moving groove.

[0009] Preferably, the dredging component comprises an inclined rod fixedly connected with an inner wall of the feeding hopper, a protection box fixedly connected with the inclined rod, a driving bevel gear fixedly connected with an outer side of the driving shaft, a driven bevel gear connected with the driving bevel gear, a rotating shaft fixedly connected with the driven bevel gear, and a feeding blade fixedly connected with an outer side of a lower portion of the rotating shaft, wherein the driving shaft and the rotating shaft are rotationally connected with the protection box, the driving bevel gear is meshed with the driven bevel gear, and the feeding blade is in a spiral shape.

[0010] Preferably, a fixed rod is fixedly connected with an inner wall of the sliding opening, and a fixed opening is arranged in one side of the sliding plate, wherein the fixed rod is slidingly connected with the fixed opening.

[0011] Preferably, a guide plate is fixedly connected with a top of the protection box, and the guide plate is in an umbrella shape.

[0012] Preferably, a third spring is fixedly connected with one side of the sliding plate, and the third spring is sleeved outside the fixed rod.

[0013] Preferably, supporting plates are fixedly connected with two sides of an inner bottom of the fixed frame respectively.

[0014] Compared with the prior art, the anti-accumulation component has the following beneficial effects:

[0015] 1. By setting the machine body, feed hopper, fixed frame, screen and anti-accumulation component, the screen can be used to screen plastic particles, the motor can control the rotation of the drive shaft and the fixed ring, which can drive the knocking ball to rotate, knock the screen, drive the sliding block to extrude the first spring to deform, make the screen vibrate up and down repeatedly, spread the raw materials, make the raw materials pass through the screen into the machine body for processing in turn, avoid clogging the feed hopper, and greatly improve the practicality;

[0016] 2. By setting the locking component, the sliding plate can drive the moving block and the locking rod to move, the moving block can extrude the second spring to deform, the second spring returns to drive the locking rod to be clamped into the locking slot, the screen can be connected and fixed with the fixed frame, the screen can be fixed, and the screen can be quickly disassembled and cleaned and replaced, thereby further improving the practicality. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The utility model provides a three-dimensional structure schematic diagram for providing;

[0018] Figure 2 The utility model provides a left view for providing;

[0019] Figure 3 The utility model provides a Figure 2 The utility model provides a sectional view of A-A place in three -dimensional structure;

[0020] Figure 4 The utility model provides a Figure 3 The utility model provides an enlarged view of B place;

[0021] Figure 5 The utility model provides a Figure 3 The utility model provides an enlarged view of C place.

[0022] In the drawing: 1, machine body;11, feed hopper;12, fixed frame;13, screen;21, motor;22, drive shaft;23, fixed ring;24, support rod;25, knocking ball;26, sliding groove;27, sliding block;28, first spring;31, sliding port;32, moving groove;33, moving block;34, second spring;35, sliding plate;36, locking rod;37, locking slot;41, inclined rod;42, protection box;43, driving bevel gear;44, driven bevel gear;45, rotating shaft;46, material conveying blade;51, fixed rod;52, fixed port;61, guide plate;71, third spring;81, support plate. DETAILED DESCRIPTION

[0023] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

[0024] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5The utility model provides a kind of technical scheme: a kind of feeding structure for plastic extruder, including machine body 1 and feed hopper 11, fixed frame 12 is equipped in feed hopper 11, sieve 13 is equipped in fixed frame 12, anti-accumulation component is equipped in feed hopper 11, locking component is equipped between sieve 13 and fixed frame 12, anti-accumulation component includes the motor 21 being fixedly connected with the one side of feed hopper 11, the drive shaft 22 being fixedly connected with the output end of motor 21, the fixed ring 23 being fixedly connected with the two sides of drive shaft 22 respectively, the support rod 24 being fixedly connected with the bottom of fixed ring 23, the knock ball 25 being fixedly connected with the bottom of support rod 24, the chute 26 being respectively set in the two sides in feed hopper 11, the sliding block 27 being fixedly connected with the two sides of fixed frame 12, the first spring 28 being fixedly connected with the top of sliding block 27 and the dredging component for improving anti-blocking effect, drive shaft 22 is rotatably connected with feed hopper 11, sliding block 27 is slidably connected with chute 26, motor 21 can drive drive shaft 22 to rotate, in turn can drive fixed ring 23 and support rod 24 to rotate, support rod 24 can drive knock ball 25 to rotate, knock ball 25 can repeatedly knock sieve 13, sieve 13 can drive fixed frame 12 and sliding block 27 to move, sliding block 27 can extrude first spring 28 and make it change shape, in turn can make sieve 13 repeatedly vibrate up and down, can flatten raw materials, so that raw materials pass through sieve 13 in turn, can avoid raw materials to accumulate, in turn can prevent raw materials from being blocked, the dredging component includes the inclined rod 41 being fixedly connected with the inner wall of feed hopper 11, the protection box 42 being fixedly connected with inclined rod 41, the driving bevel gear 43 being fixedly connected with the outer side of drive shaft 22, the driven bevel gear 44 being connected with driving bevel gear 43, the rotating shaft 45 being fixedly connected with driven bevel gear 44 and the material conveying blade 46 being fixedly connected with the lower outer side of rotating shaft 45, drive shaft 22 and rotating shaft 45 are rotatably connected with protection box 42, driving bevel gear 43 is engaged with driven bevel gear 44, the shape of material conveying blade 46 is helical, protection box 42 can protect driving bevel gear 43 and driven bevel gear 44, prevent them from being damaged, drive shaft 22 can drive driving bevel gear 43 to rotate, driving bevel gear 43 can drive driven bevel gear 44 to rotate, in turn can make rotating shaft 45 and material conveying blade 46 rotate, the rotation of material conveying blade 46 can transport raw materials at the bottom of feed hopper 11, can further prevent raw materials from being blocked, the top of protection box 42 is fixedly connected with the guide plate 61, the shape of guide plate 61 is umbrella-shaped, guide plate 61 can guide plastic particles, prevent plastic particles from accumulating on the top of protection box 42.

[0025] Please refer to Figure 1 、 Figure 2 、 Figure 3 And Figure 4The locking component includes sliding openings 31 respectively formed on the top of the fixed frame 12 on both sides, a moving groove 32 formed on the bottom of the sliding opening 31, a moving block 33 arranged in the moving groove 32, a second spring 34 fixedly connected with one side of the moving block 33, a sliding plate 35 fixedly connected with the top of the moving block 33, a lock rod 36 fixedly connected with one side of the sliding plate 35, and lock grooves 37 respectively formed on both sides of the screen 13. The lock rod 36 is inserted into the lock groove 37, the lock rod 36 penetrates through the sliding opening 31 and is in sliding connection with the fixed frame 12, the moving block 33 is in sliding connection with the moving groove 32, the moving block 33 and the lock rod 36 can be moved by pushing the sliding plate 35, the moving block 33 can drive the second spring 34 to deform, the screen 13 can be placed in the fixed frame 12, the second spring 34 can be reset to reset the lock rod 36, so that the lock rod 36 is clamped into the lock groove 37, the screen 13 can be connected and fixed with the fixed frame 12, and the screen 13 can be quickly installed. When the lock rod 36 is separated from the lock groove 37, the screen 13 can be quickly taken out from the feeding hopper 11, the screen 13 can be conveniently cleaned and replaced, a fixed rod 51 is fixedly connected with the inner wall of the sliding opening 31, a fixed opening 52 is formed on one side of the sliding plate 35, the fixed rod 51 is in sliding connection with the fixed opening 52, the fixed rod 51 can slide in the fixed opening 52, the movement of the sliding plate 35 can be supported and guided, the sliding plate 35 is prevented from tilting, and the movement stability of the lock rod 36 can be improved, one side of the sliding plate 35 is fixedly connected with a third spring 71, the third spring 71 is sleeved outside the fixed rod 51, the sliding plate 35 can extrude the third spring 71 to deform, the fixing stability of the lock rod 36 can be improved by using the elasticity of the third spring 71, the fixing stability of the screen 13 can be improved, the fixed rod 51 can support the third spring 71, and the third spring 71 is prevented from tilting, and support plates 81 are respectively fixedly connected with the bottom of the fixed frame 12 on both sides. The bottom of the screen 13 can be supported by the support plates 81, the lock rod 36 is aligned with the lock groove 37, and the screen 13 can be conveniently fixed.

[0026] Working principle: when working, the slide plate 35 is pushed, the slide plate 35 can drive the locking rod 36 and the moving block 33 to move, and the slide plate 35 can extrude the third spring 71 to deform, the moving block 33 moves to make the second spring 34 deform, then the screen 13 is placed on the top of the supporting plate 81, at this time the locking rod 36 is aligned with the lock slot 37, the slide plate 35 is loosened, the second spring 34 and the third spring 71 reset, the locking rod 36 is reset, the locking rod 36 is inserted into the lock slot 37, the screen 13 can be fixed with the fixed frame 12, then the raw materials are poured into the feeding hopper 11, the raw materials contact with the screen 13, the motor 21 is started, the motor 21 can drive the driving shaft 22 to rotate, the driving shaft 22 rotates to drive the fixed ring 23 to rotate, the fixed ring 23 can drive the supporting rod 24 to rotate, the supporting rod 24 can drive the knocking ball 25 to rotate, the knocking ball 25 rotates to drive the screen 13 to knock, the screen 13 can drive the fixed frame 12 to move vertically, the fixed frame 12 can drive the sliding block 27 to move, the sliding block 27 can extrude the first spring 28 to deform, the first spring 28 resets to drive the screen 13 to reset, so that the screen 13 vibrates repeatedly, the raw materials can be flattened, and the raw materials pass through the screen 13 in turn and then enter the bottom of the feeding hopper 11, at the same time, the driving shaft 22 can also drive the driving bevel gear 43 to rotate, the driving bevel gear 43 can drive the driven bevel gear 44 to rotate, the driven bevel gear 44 can drive the rotating shaft 45 to rotate, the rotating shaft 45 can drive the conveying blade 46 to rotate, so that the raw materials can be conveyed, further preventing the raw materials from being blocked, and the raw materials enter the machine body 1 to be processed, the above is the working process of the whole device, and the contents not described in detail in the specification all belong to the prior art known by the person skilled in the art.

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

Claims

1. A feeding structure for plastic extruders, comprising a body (1) and a hopper (11), characterized in that: The feeding hopper (11) is internally provided with a fixed frame (12), the fixed frame (12) is internally provided with a screen (13), the feeding hopper (11) is internally provided with an anti-accumulation component, a locking component is arranged between the screen (13) and the fixed frame (12); The anti-accumulation component comprises a motor (21) fixedly connected to one side of the feeding hopper (11), a driving shaft (22) fixedly connected to the output end of the motor (21), fixed rings (23) fixedly connected to the two sides of the driving shaft (22) respectively, a supporting rod (24) fixedly connected to the bottom of the fixed ring (23), a knocking ball (25) fixedly connected to the bottom of the supporting rod (24), chute (26) arranged in the two sides of the feeding hopper (11) respectively, sliding blocks (27) fixedly connected to the two sides of the fixed frame (12) respectively, first springs (28) fixedly connected to the top of the sliding blocks (27), and a dredging component for improving the anti-blocking effect, the driving shaft (22) is rotatably connected to the feeding hopper (11), and the sliding blocks (27) are slidably connected to the chute (26).

2. The feeding structure for plastic extruder according to claim 1, characterized in that: The locking component comprises sliding openings (31) arranged on the top of the fixed frame (12) on the two sides respectively, a moving groove (32) arranged in the bottom of the sliding opening (31), a moving block (33) arranged in the moving groove (32), a second spring (34) fixedly connected to one side of the moving block (33), a sliding plate (35) fixedly connected to the top of the moving block (33), a locking rod (36) fixedly connected to one side of the sliding plate (35), and lock grooves (37) arranged on the two sides of the screen (13) respectively, the locking rod (36) is inserted into the lock groove (37), the locking rod (36) penetrates through the sliding opening (31) and is slidably connected to the fixed frame (12), and the moving block (33) is slidably connected to the moving groove (32).

3. The feeding structure for plastic extruder according to claim 1, characterized in that: The dredging component comprises an inclined rod (41) fixedly connected to the inner wall of the feeding hopper (11), a protection box (42) fixedly connected to the inclined rod (41), a driving bevel gear (43) fixedly connected to the outer side of the driving shaft (22), a driven bevel gear (44) connected to the driving bevel gear (43), a rotating shaft (45) fixedly connected to the driven bevel gear (44), and a material conveying blade (46) fixedly connected to the lower outer side of the rotating shaft (45), the driving shaft (22) and the rotating shaft (45) are both rotatably connected to the protection box (42), the driving bevel gear (43) is meshed with the driven bevel gear (44), and the material conveying blade (46) is in the shape of a spiral.

4. The feeding structure for plastic extruder according to claim 2, characterized in that: The inner wall of the sliding opening (31) is fixedly connected with a fixed rod (51), and one side of the sliding plate (35) is provided with a fixed opening (52).

5. The feeding structure for plastic extruder according to claim 3, characterized in that: The top of the protection box (42) is fixedly connected with a guide plate (61), and the guide plate (61) is in the shape of an umbrella.

6. The feeding structure for plastic extruder according to claim 2, characterized in that: One side of the sliding plate (35) is fixedly connected with a third spring (71), and the third spring (71) is sleeved outside the fixed rod (51).

7. The feeding structure for plastic extruder according to claim 1, characterized in that: The inner bottom of the fixed frame (12) is fixedly connected with supporting plates (81) on the two sides respectively.

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