Extruder for plastic processing

Abstract

The utility model belongs to the technical field of plastic processing, and discloses a material extruding machine for plastic processing. Comprising a machining table, a machine barrel is arranged at the top end of the machining table, a screw rod is rotationally connected into the machine barrel, a feeding barrel is installed at the top end of the machine barrel, a vibration rod is arranged on the outer side of the feeding barrel, a fixing plate is fixedly connected to the outer side of the vibration rod, and a pair of guide rods is slidably connected into the fixing plate; the pair of guide rods is fixedly connected with the top end of the machining table, and the ends, away from the machining table, of the pair of guide rods are fixedly connected with a connecting plate. According to the device, through a linkage mechanism of the driving mechanism and the vibration rod, the driving mechanism is matched with rotation of the screw rod, the vibration rod is intermittently driven to impact the feeding barrel, the problem that plastic adheres to the inner wall of the feeding barrel and is accumulated at a discharging opening is effectively solved, the discharging speed and the working efficiency are remarkably improved, meanwhile, the frequency and cost of manual cleaning are reduced, and the practicability is high. And the working performance of the extruder is integrally optimized.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastics processing, more specifically, the utility model relates to an extruding machine for plastics processing. BACKGROUND

[0002] Plastics is a kind of high molecular compound, polymerized by polyaddition or polycondensation reaction, with the characteristics of medium anti-deformation capacity, light weight, not easy to break, etc., the extruding machine for plastics processing occupies a pivotal position in plastics industry, the extruding machine can process various types of plastic raw materials, produce a variety of shapes and specifications of plastic products through different die heads and forming processes, and is widely used in multiple industries.

[0003] The existing extruding machine is mainly composed of a barrel, a feeding cylinder, a screw, a heating module and a die, and its working principle is as follows: first, the plastic to be processed is brought into the inside of the barrel through the feeding cylinder, the screw in the barrel rotates and advances to convey the plastic raw material in the barrel, and the heating module in the barrel melts the plastic, at this time, the screw continuously extrudes the heated plastic into the die to form, thus completing the working process of the extruding machine.

[0004] However, when the existing feeding cylinder puts the plastic into the barrel, part of the plastic may be affected by the outside world, causing the plastic to stick to the inner wall of the feeding cylinder, resulting in no discharge, and the plastic may accumulate in the discharge port of the feeding cylinder, thereby slowing down the discharge speed and affecting the working time. UTILITY MODEL CONTENTS

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides an extruding machine for plastics processing.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: an extruding machine for plastics processing, comprising a processing table, a barrel is arranged at the top end of the processing table, a screw is rotatably connected in the barrel, a feeding cylinder is installed at the top end of the barrel, a vibrating rod is arranged on the outside of the feeding cylinder, a fixed plate is fixedly connected on the outside of the vibrating rod, a pair of guide rods are slidably connected in the fixed plate, a pair of the guide rods are fixedly connected with the top end of the processing table, a connecting plate is fixedly connected with the end of the guide rods away from the processing table, the vibrating rod penetrates through the connecting plate, a pair of springs are fixedly connected between the connecting plate and the fixed plate, a sliding groove is formed on the outside of the vibrating rod, a rack is fixedly connected in the sliding groove, and a driving mechanism for moving the vibrating rod is arranged on the outside of the screw.

[0007] Further, the driving mechanism comprises a first bevel gear, a second bevel gear, a first transmission rod, a third bevel gear, a fourth bevel gear, a first spur gear, a second transmission rod, a second spur gear, a third transmission rod and a special-shaped gear, the first bevel gear is fixedly connected with the outer side of the screw rod, the second bevel gear is meshed with the first bevel gear, the first transmission rod is fixedly connected in the inner side of the second bevel gear, the third bevel gear is fixedly connected in the outer side of the first transmission rod, the fourth bevel gear is meshed with the third bevel gear, the second transmission rod is fixedly connected in the inner side of the fourth bevel gear, the first spur gear is fixedly connected in the outer side of the second transmission rod, the second spur gear is meshed with the first spur gear, the third transmission rod is fixedly connected in the inner side of the second spur gear, and the special-shaped gear is fixedly connected in the outer side of the third transmission rod.

[0008] Further, the outer side of the first transmission rod is rotationally connected with a sleeve, the sleeve is fixedly connected to the outer side of the machine cylinder, the outer side of the second transmission rod is rotationally connected with a pair of limiting ring rods, one end of the pair of limiting ring rods is fixedly connected to the top end of the machining table, and the two ends of the third transmission rod are rotationally connected with a pair of L plates, and the pair of L plates are fixedly connected to the top end of the machine cylinder.

[0009] Further, the outer side of the feeding cylinder is provided with a pair of filter plates, one end of the pair of filter plates is rotationally connected with a side rod, the outer side of the side rod is fixedly connected with an impeller, the periphery of the impeller is provided with a wind collecting pipe, the wind collecting pipe is fixedly connected with the outer side of the feeding cylinder, and the outer side of the second transmission rod is provided with a transmission mechanism for driving the impeller to rotate.

[0010] Further, the transmission mechanism comprises a first chain wheel, a second chain wheel and a chain, the first chain wheel is fixedly connected to the outer side of the second transmission rod, the second chain wheel is fixedly connected to the outer side of the side rod, the chain is meshed on the outer sides of the first chain wheel and the second chain wheel, and the chain penetrates through one side of the wind collecting pipe.

[0011] Further, the top end of the feeding cylinder is slidably connected with a stress plate, and the stress plate is designed in a "concave" shape.

[0012] The technical effects and advantages of the extruding machine for plastic processing are as follows:

[0013] (1) The driving mechanism and the vibration rod linkage mechanism are adopted, the rotation of the driving mechanism is matched with the screw rod, the vibration rod is intermittently driven to impact the feeding cylinder, the problems that the plastic is adhered to the inner wall of the feeding cylinder and the discharge port is accumulated are solved, the discharge speed and the working efficiency are remarkably improved, the frequency and the cost of manual cleaning are reduced, and the working performance of the extruding machine is optimized as a whole.

[0014] (2) The utility model discloses a clever linkage design through transmission mechanism, side pole and impeller, realize the synchronous generation of wind force in the feeding process, effectively blow the plastic smell in the feeding cylinder inside to the specified position through the wind collecting pipe, significantly improved the construction environment of staff, reduced the influence of plastic smell on staff's health, improved the overall work comfort and efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model.

[0016] Figure 2 It is the machine cylinder section and sleeve structure schematic diagram in the utility model.

[0017] Figure 3 It is the vibration rod and spring structure schematic diagram in the utility model.

[0018] Figure 4 It is the guide rod and L plate structure schematic diagram in the utility model.

[0019] Figure 5 It is the special-shaped gear and rack structure schematic diagram in the utility model.

[0020] Figure 6 It is the wind collecting pipe section schematic diagram in the utility model.

[0021] In the drawing:

[0022] 1, processing platform, 2, machine cylinder, 3, screw, 4, feeding cylinder, 5, vibration rod, 6, fixed plate, 7, guide rod, 8, connecting plate, 9, spring, 10, rack, 11, first helical gear, 12, second helical gear, 13, first transmission rod, 14, third helical gear, 15, fourth helical gear, 16, first spur gear, 17, second transmission rod, 18, second spur gear, 19, third transmission rod, 20, special-shaped gear, 21, sleeve, 22, limit ring rod, 23, L plate, 24, filter plate, 25, impeller, 26, wind collecting pipe, 27, first sprocket, 28, second sprocket, 29, chain, 30, stress plate. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0024] Please refer to Figure 1 - Figure 5The utility model provides an extruder for plastic processing, including processing table 1, the top of processing table 1 is provided with machine head 2, the inside rotation of machine head 2 is connected with screw rod 3, the top of machine head 2 is installed with feeding cylinder 4, the outside of feeding cylinder 4 is provided with vibrating rod 5, the outside of vibrating rod 5 is fixedly connected with fixed plate 6, the inside sliding connection of fixed plate 6 is with a pair of guide rod 7, a pair of guide rod 7 all with the top of processing table 1 is fixedly connected, and the end of a pair of guide rod 7 away from processing table 1 is fixedly connected with connecting plate 8, vibrating rod 5 penetrates connecting plate 8, and a pair of spring 9 is fixedly connected between connecting plate 8 and fixed plate 6, the outside of vibrating rod 5 is set with sliding slot, the inside of sliding slot is fixedly connected with rack 10, and the outside of screw rod 3 is provided with the drive mechanism of moving vibrating rod 5.

[0025] Firstly, the plastic to be processed is brought into the inside of machine head 2 through feeding cylinder 4, and the screw rod 3 in the inside of machine head 2 is transported by rotating and propelling movement, and the plastic raw material is transported in machine head 2, and the heating module in the inside of machine head 2 heats and melts the plastic, at this time, the screw rod 3 continuously extrudes the heated plastic to the mold and forms, thereby completing the working process of the extruder, however, when the existing feeding cylinder 4 is put into the machine head 2, part of the plastic may be affected by the outside, causing the plastic to stick to the inner wall of the feeding cylinder 4, causing the plastic to be unable to be discharged, and the plastic may be accumulated in the discharge port of the feeding cylinder 4, thereby causing the discharge speed to slow down, affecting the working time, when the utility model is used, the screw rod 3 will drive the driving mechanism to run synchronously when conveying materials, and the driving mechanism runs and drives the rack 10 to run away from the feeding cylinder 4, and the rack 10 moves and drives the vibrating rod 5 to move, when the vibrating rod 5 moves, the fixed plate 6 is extruded and the spring 9 is deformed and generates elastic potential energy, after the driving mechanism runs to one end distance, the driving mechanism ends the movement of the rack 10, and the spring 9 releases the elastic potential energy, and the vibrating rod 5 is reset by the fixed plate 6, and the vibrating rod 5 resets and hits the feeding cylinder 4, thereby vibrating the raw material adhered and accumulated in the inner wall of the feeding cylinder 4, thereby repeatedly operating the above-mentioned operation, thereby realizing the intermittent vibration of the vibrating rod 5 to the feeding cylinder 4, and the effect is better.

[0026] As Figure 3 , Figure 4 and Figure 5As shown, the drive mechanism includes a first bevel gear 11, a second bevel gear 12, a first transmission rod 13, a third bevel gear 14, a fourth bevel gear 15, a first spur gear 16, a second transmission rod 17, a second spur gear 18, a third transmission rod 19 and a special-shaped gear 20, the first bevel gear 11 is fixedly connected with the outer side of the screw rod 3, the second bevel gear 12 is engaged with the first bevel gear 11, the first transmission rod 13 is fixedly connected inside the second bevel gear 12, the third bevel gear 14 is fixedly connected outside the first transmission rod 13, the fourth bevel gear 15 is engaged with the third bevel gear 14, the second transmission rod 17 is fixedly connected inside the fourth bevel gear 15, the first spur gear 16 is fixedly connected outside the second transmission rod 17, the second spur gear 18 is engaged with the first spur gear 16, the third transmission rod 19 is fixedly connected inside the second spur gear 18, and the special-shaped gear 20 is fixedly connected outside the third transmission rod 19.

[0027] When the screw rod 3 rotates, the first bevel gear 11 rotates, and the first bevel gear 11 rotates to drive the second bevel gear 12 to rotate, the second bevel gear 12 drives the third bevel gear 14 to rotate through the first transmission rod 13, and the third bevel gear 14 drives the second transmission rod 17 to rotate through the fourth bevel gear 15, when the second transmission rod 17 rotates, the first spur gear 16 drives the engaged second spur gear 18 to rotate, the second spur gear 18 rotates to drive the special-shaped gear 20 through the third transmission rod 19, so that Figure 5 the special-shaped gear 20 rotates counterclockwise, with the rotation of the special-shaped gear 20, the special-shaped gear 20 is engaged with the rack 10 and drives the rack 10 to move, the rack 10 moves to drive the vibration rod 5 to move away from the fixed plate 6, when the special-shaped gear 20 rotates to the end and is disengaged with the rack 10, the spring 9 instantaneously releases the elastic potential energy, drives the vibration rod 5 to reset through the fixed plate 6 and hits the feeding cylinder 4, thereby achieving the vibration effect on the feeding cylinder 4.

[0028] As shown in Figure 2 - Figure 5 the outer side of the first transmission rod 13 is rotatably connected with a sleeve 21, the sleeve 21 is fixedly connected to the outer side of the machine cylinder 2, the outer side of the second transmission rod 17 is rotatably connected with a pair of limiting ring rods 22, a pair of the limiting ring rods 22 are fixedly connected to the top end of the processing table 1, and the two ends of the third transmission rod 19 are rotatably connected with a pair of L plates 23, a pair of the L plates 23 are fixedly connected to the top end of the machine cylinder 2.

[0029] The sleeve 21 can ensure that the first transmission rod 13 does not fall during rotation, a pair of limiting ring rods 22 can support the second transmission rod 17, and a pair of L plates 23 can support the two ends of the third transmission rod 19, thereby ensuring the stability of the rotation of the third transmission rod 19.

[0030] As Figure 6 shown, the outer side of the feeding cylinder 4 is provided with a pair of filter plates 24, and one end of the pair of filter plates 24 is rotatably connected with a side rod, the outer side of the side rod is fixedly connected with an impeller 25, the periphery of the impeller 25 is provided with a wind collecting pipe 26, the wind collecting pipe 26 is fixedly connected with the outer side of the feeding cylinder 4, and the outer side of the second transmission rod 17 is provided with a transmission mechanism for driving the impeller 25 to rotate.

[0031] When the second transmission rod 17 rotates, the transmission mechanism is driven to operate, the side rod is driven to rotate, the impeller 25 is driven to rotate, air in the feeding cylinder 4 is blown to a specified position through the wind collecting pipe 26, and the heavy plastic smell in the feeding cylinder 4 is avoided, so that the construction environment of the workers is affected.

[0032] As Figure 6 shown, the transmission mechanism comprises a first sprocket 27, a second sprocket 28 and a chain 29, the first sprocket 27 is fixedly connected with the outer side of the second transmission rod 17, the second sprocket 28 is fixedly connected with the outer side of the side rod, the chain 29 is engaged with the outer sides of the first sprocket 27 and the second sprocket 28, and the chain 29 penetrates through one side of the wind collecting pipe 26.

[0033] The second transmission rod 17 drives the first sprocket 27 to rotate, the first sprocket 27 drives the second sprocket 28 to rotate through the chain 29, and the second sprocket 28 drives the side rod to rotate.

[0034] As Figure 2 and Figure 6 shown, the top end of the feeding cylinder 4 is slidably connected with a stress plate 30, and the stress plate 30 is designed in a "concave" shape.

[0035] Since the vibration rod 5 frequently impacts the feeding cylinder 4, the surface of the feeding cylinder 4 may be damaged, the utility model slidably connects the stress plate 30 with the top end of the feeding cylinder 4, the vibration rod 5 directly impacts the stress plate 30, and the impact force is transmitted to the feeding cylinder 4 through the stress plate 30, so that the feeding cylinder 4 is prevented from being damaged, and the stress plate 30 is convenient to replace and only needs to be pulled upward.

[0036] Working principle: when the screw rod 3 rotates to convey the material, the screw rod 3 will drive the driving mechanism to run synchronously, and the driving mechanism will drive the rack 10 to run away from the feeding cylinder 4, the movement of the rack 10 will drive the vibration rod 5 to move, when the vibration rod 5 moves, it will drive the fixed plate 6 to extrude the spring 9, so that the spring 9 deforms and generates elastic potential energy, when the driving mechanism runs to one end, the driving mechanism stops moving the rack 10, the spring 9 releases the elastic potential energy, and the fixed plate 6 pushes the vibration rod 5 to reset, and the vibration rod 5 resets and hits the feeding cylinder 4, so that the raw materials adhered and accumulated on the inner wall of the feeding cylinder 4 are shaken off, and the above operation is repeated, so that the vibration rod 5 intermittently vibrates the feeding cylinder 4, and the effect is better.

[0037] When the screw rod 3 rotates, the first bevel gear 11 rotates, and the first bevel gear 11 rotates to drive the second bevel gear 12 to rotate, the second bevel gear 12 drives the third bevel gear 14 to rotate through the first transmission rod 13, and the third bevel gear 14 rotates to drive the second transmission rod 17 to rotate through the fourth bevel gear 15, when the second transmission rod 17 rotates, it drives the meshing second spur gear 18 to rotate through the first spur gear 16, the second spur gear 18 rotates to drive the special-shaped gear 20 through the third transmission rod 19, so that the special-shaped gear 20 rotates counterclockwise, with the rotation of the special-shaped gear 20, the special-shaped gear 20 meshes with the rack 10 and drives the rack 10 to move, the rack 10 moves to drive the vibration rod 5 to move away from the fixed plate 6, when the special-shaped gear 20 rotates to the end and meshes with the rack 10, the spring 9 instantaneously releases the elastic potential energy, and the vibration rod 5 is reset by the fixed plate 6 to hit the feeding cylinder 4, so that the feeding cylinder 4 achieves the vibration effect. Figure 5

[0038] The second transmission rod 17 rotates to drive the first sprocket 27 to rotate, and the first sprocket 27 rotates to drive the second sprocket 28 to rotate through the chain 29, the second sprocket 28 rotates to drive the side rod to rotate, and the side rod rotates to drive the impeller 25 to rotate, generating wind power, blowing the air inside the feeding cylinder 4 to the designated position through the air collecting pipe 26, avoiding the heavy plastic smell inside the feeding cylinder 4 affecting the working environment of the staff.

[0039] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical scope disclosed in the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.​

Claims

1. A plastic extruder, comprising a processing table (1), a cylinder (2) disposed at the top of the processing table (1), a screw (3) rotatably connected inside the cylinder (2), and a feeding cylinder (4) installed at the top of the cylinder (2), characterized in that, A vibrating rod (5) is provided on the outside of the feeding cylinder (4). A fixing plate (6) is fixedly connected to the outside of the vibrating rod (5). A pair of guide rods (7) are slidably connected inside the fixing plate (6). Both of the guide rods (7) are fixedly connected to the top of the processing table (1). A connecting plate (8) is fixedly connected to the end of the pair of guide rods (7) away from the processing table (1). The vibrating rod (5) passes through the connecting plate (8). A pair of springs (9) are fixedly connected between the connecting plate (8) and the fixing plate (6). A sliding groove is provided on the outside of the vibrating rod (5). A rack (10) is fixedly connected inside the sliding groove. A drive mechanism for moving the vibrating rod (5) is provided on the outside of the screw (3).

2. The extruder for plastic processing according to claim 1, characterized in that, The drive mechanism includes a first helical gear (11), a second helical gear (12), a first transmission rod (13), a third helical gear (14), a fourth helical gear (15), a first spur gear (16), a second transmission rod (17), a second spur gear (18), a third transmission rod (19), and a non-circular gear (20). The first helical gear (11) is fixed to the outside of the screw (3). The second helical gear (12) meshes with the first helical gear (11). The first transmission rod (13) is fixed inside the second helical gear (12). The third helical gear (14) is fixed to the outside of the first transmission rod (13), the fourth helical gear (15) meshes with the third helical gear (14), the second transmission rod (17) is fixed inside the fourth helical gear (15), the first spur gear (16) is fixed to the outside of the second transmission rod (17), the second spur gear (18) meshes with the first spur gear (16), the third transmission rod (19) is fixed inside the second spur gear (18), and the shaped gear (20) is fixed to the outside of the third transmission rod (19).

3. The extruder for plastic processing according to claim 2, characterized in that, The outer side of the first transmission rod (13) is rotatably connected to a sleeve (21), which is fixed to the outer side of the barrel (2). The outer side of the second transmission rod (17) is rotatably connected to a pair of limiting ring rods (22), which are both fixed to the top of the processing table (1). Both ends of the third transmission rod (19) are rotatably connected to L plates (23), which are both fixed to the top of the barrel (2).

4. The extruder for plastic processing according to claim 3, characterized in that, A pair of filter plates (24) are installed on the outside of the feeding cylinder (4). The opposite ends of the pair of filter plates (24) are rotatably connected to side rods. An impeller (25) is fixedly connected to the outside of the side rods. An air collecting pipe (26) is provided around the impeller (25). The air collecting pipe (26) is fixedly connected to the outside of the feeding cylinder (4). A transmission mechanism for driving the impeller (25) to rotate is provided on the outside of the second transmission rod (17).

5. The extruder for plastic processing according to claim 4, characterized in that, The transmission mechanism includes a first sprocket (27), a second sprocket (28), and a chain (29). The first sprocket (27) is fixed to the outside of the second transmission rod (17), the second sprocket (28) is fixed to the outside of the side rod, and the chain (29) meshes with the outside of the first sprocket (27) and the second sprocket (28), and the chain (29) passes through one side of the air collection pipe (26).

6. The extruder for plastic processing according to claim 5, characterized in that, The top of the feeding cylinder (4) is slidably connected to a force plate (30), which is concave in shape.

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