Extruder with automatic weighing and discharging structure

Abstract

The utility model provides an extruder with an automatic weighing and discharging structure. The extruder with the automatic weighing and discharging structure comprises a bottom plate, wherein an extruder body, a weighing mechanism and a turnover mechanism are arranged on the bottom plate; the extruder body comprises an extrusion barrel, an extrusion head, a screw rod, a mounting seat, a first motor, a speed reducer and a connecting shaft, the extrusion barrel is arranged above the bottom plate, the extrusion head is fixedly mounted at one end of the extrusion barrel, the screw rod is rotatably mounted in the extrusion barrel, the mounting seat is fixedly mounted at the top of the bottom plate, and the first motor is fixedly mounted on the mounting seat. The first motor and the speed reducer are both fixedly installed on the top of the installation base, an output shaft of the first motor is fixedly connected with the speed reducer, and the connecting shaft is fixedly installed at one end of the screw rod. The extruder with the automatic weighing and discharging structure has the advantages that raw materials can be weighed and fed before being fed, and waste of the raw materials caused by excessive addition of the raw materials is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of extruders, in particular to an extruder with an automatic weighing and unloading structure. Background Art

[0002] The screw extruder relies on the pressure and shear force generated by the rotation of the screw to fully plasticize and evenly mix the materials and form them through the die. Its main structure includes six parts: transmission, feeding device, barrel, screw, die head and die.

[0003] In the related technology, an anti-clogging extruder is disclosed, including an extrusion barrel, a baffle cover is fixedly installed on the top of the extrusion barrel, a spiral feed shaft is rotatably installed inside the extrusion barrel, a first motor is fixedly installed on one side of the extrusion barrel, an output end of the first motor passes through the side wall of the extrusion barrel and is fixedly connected to one end of the spiral feed shaft, a feed barrel is fixedly installed on the side of the baffle cover away from the first motor, a stirring blade is provided on the baffle cover, and the material in the hopper is stirred by the stirring blade to avoid excessive material accumulation at the bottom of the hopper, causing slow feeding; a feed barrel is provided, and the material can fall into the feed barrel evenly after being stirred and mixed in the hopper, and the material is evenly fed downward in the feed barrel through the spiral feed shaft, which can effectively avoid material blockage.

[0004] However, the above structure still has some shortcomings. When the extruder is feeding, the feed cannot be weighed and quantified, resulting in excessive feeding of the feed and waste of the feed.

[0005] Therefore, it is necessary to provide a new extruder with an automatic weighing and unloading structure to solve the above-mentioned technical problems. Utility Model Content

[0006] The technical problem solved by the utility model is to provide an extruder with an automatic weighing and unloading structure which can weigh raw materials before feeding to avoid excessive addition of raw materials and resulting in waste of raw materials.

[0007] In order to solve the above technical problems, the utility model provides an extruder with an automatic weighing and unloading structure, comprising: a bottom plate, on which an extruder body, a weighing mechanism and a flipping mechanism are arranged;

[0008] The extruder body comprises an extrusion barrel, an extrusion head, a screw rod, a mounting seat, a first motor, a reducer and a connecting shaft, the extrusion barrel is arranged above the bottom plate, the extrusion head is fixedly mounted on one end of the extrusion barrel, the screw rod is rotatably mounted in the extrusion barrel, the mounting seat is fixedly mounted on the top of the bottom plate, the first motor and the reducer are both fixedly mounted on the top of the mounting seat, the output shaft of the first motor is fixedly connected to the reducer, the connecting shaft is fixedly mounted on one end of the screw rod, and one end of the connecting shaft extends outside the extrusion barrel and is fixedly connected to the reducer;

[0009] The weighing mechanism includes a support plate, two fixed plates, a fixed shaft, a flip plate, two connecting blocks, a weighing sensor and a weighing hopper. The support plate is arranged above the bottom plate, the two fixed plates are fixedly installed on the top of the support plate, the fixed shaft is rotatably installed on the two fixed plates, the flip plate is arranged above the support plate, the two connecting blocks are fixedly sleeved on the fixed shaft, the tops of the two connecting blocks are fixedly connected to the flip plate, the weighing sensor is fixedly installed on the top of the flip plate, and the weighing hopper is fixedly installed on the top of the weighing sensor.

[0010] As a further scheme of the utility model, the flipping mechanism includes a bar slide, a threaded rod, a second motor, an internally threaded slider and a tilting push rod, the bar slide is opened at the top of the support plate, the threaded rod is rotatably installed in the bar slide, the second motor is fixedly installed on one side outer wall of the support plate, the output shaft of the second motor is fixedly connected to one end of the threaded rod, the internally threaded slider is threadedly sleeved on the threaded rod, the tilting push rod is hingedly installed on the top of the internally threaded slider, and the top end of the tilting push rod is hinged to the bottom of the flipping plate.

[0011] As a further solution of the utility model, a feed hopper is fixedly installed on the top of the extrusion cylinder.

[0012] As a further solution of the utility model, two support blocks are fixedly installed at the bottom of the extrusion cylinder, and the bottoms of the support blocks are fixedly connected to the top of the bottom plate.

[0013] As a further solution of the utility model, four supporting legs are fixedly installed on the bottom of the supporting plate, and the bottom ends of the four supporting legs are fixedly connected to the bottom plate.

[0014] Compared with the related art, the extruder with automatic weighing and unloading structure provided by the utility model has the following beneficial effects:

[0015] 1. The utility model is provided with an extruder body, so that the plastic can be melted and extruded, and the product can be extruded and produced;

[0016] 2. The utility model provides a weighing mechanism to enable the raw materials to be weighed, thereby avoiding excessive addition of raw materials and resulting in a waste of raw materials;

[0017] 3. The utility model is provided with a turning mechanism, so that the symmetrical hopper can be turned over, and the raw materials are introduced into the hopper and enter the extrusion barrel. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to facilitate understanding by those skilled in the art, the present invention is further described below in conjunction with the accompanying drawings.

[0019] Figure 1 A three-dimensional structural schematic diagram of an extruder with an automatic weighing and unloading structure provided by the utility model;

[0020] Figure 2 A schematic diagram of the first partial structure of an extruder with an automatic weighing and unloading structure provided by the utility model;

[0021] Figure 3 This is a schematic diagram of the second partial structure of the extruder with automatic weighing and unloading structure provided by the utility model.

[0022] In the figure: 1. bottom plate; 2. extruder barrel; 3. extruder head; 4. screw rod; 5. mounting seat; 6. first motor; 7. reducer; 8. connecting shaft; 9. support plate; 10. fixed plate; 11. fixed shaft; 12. flip plate; 13. connecting block; 14. weighing sensor; 15. weighing hopper; 16. strip slide; 17. threaded rod; 18. second motor; 19. internal thread slider; 20. tilt push rod; 21. feed hopper; 22. support block; 23. support leg. DETAILED DESCRIPTION

[0023] Please refer to Figure 1 , Figure 2 and Figure 3 ,in, Figure 1 A three-dimensional structural schematic diagram of an extruder with an automatic weighing and unloading structure provided by the utility model; Figure 2 A schematic diagram of the first partial structure of an extruder with an automatic weighing and unloading structure provided by the utility model; Figure 3 The second partial structural diagram of the extruder with automatic weighing and unloading structure provided by the utility model. The extruder with automatic weighing and unloading structure comprises: a bottom plate 1, on which the extruder body, weighing mechanism and flipping mechanism are arranged;

[0024] The extruder body includes an extrusion barrel 2, an extrusion head 3, a screw rod 4, a mounting seat 5, a first motor 6, a reducer 7 and a connecting shaft 8. The extrusion barrel 2 is arranged above the bottom plate 1, the extrusion head 3 is fixedly mounted on one end of the extrusion barrel 2, the screw rod 4 is rotatably mounted in the extrusion barrel 2, the mounting seat 5 is fixedly mounted on the top of the bottom plate 1, the first motor 6 and the reducer 7 are both fixedly mounted on the top of the mounting seat 5, the output shaft of the first motor 6 is fixedly connected to the reducer 7, the connecting shaft 8 is fixedly mounted on one end of the screw rod 4, and one end of the connecting shaft 8 extends outside the extrusion barrel 2 and is fixedly connected to the reducer 7;

[0025] The weighing mechanism includes a support plate 9, two fixed plates 10, a fixed shaft 11, a flip plate 12, two connecting blocks 13, a weighing sensor 14 and a weighing hopper 15. The support plate 9 is arranged above the base plate 1, and the two fixed plates 10 are fixedly installed on the top of the support plate 9. The fixed shaft 11 is rotatably installed on the two fixed plates 10. The flip plate 12 is arranged above the support plate 9. The two connecting blocks 13 are fixedly sleeved on the fixed shaft 11. The tops of the two connecting blocks 13 are fixedly connected to the flip plate 12. The weighing sensor 14 is fixedly installed on the top of the flip plate 12. The weighing hopper 15 is fixedly installed on the top of the weighing sensor 14.

[0026] like Figure 3 As shown, the flip mechanism includes a strip slide 16, a threaded rod 17, a second motor 18, an internally threaded slider 19 and a tilting push rod 20, wherein the strip slide 16 is provided at the top of the support plate 9, the threaded rod 17 is rotatably mounted in the strip slide 16, the second motor 18 is fixedly mounted on an outer wall of one side of the support plate 9, the output shaft of the second motor 18 is fixedly connected to one end of the threaded rod 17, the internally threaded slider 19 is threadedly sleeved on the threaded rod 17, the tilting push rod 20 is hingedly mounted on the top of the internally threaded slider 19, and the top end of the tilting push rod 20 is hingedly connected to the bottom of the flip plate 12;

[0027] By providing a turnover mechanism, the symmetrical hopper 15 can be turned over, and the raw material can be introduced into the hopper 21 and enter the extrusion cylinder 2.

[0028] like Figure 1 and Figure 2 As shown, a feed hopper 21 is fixedly installed on the top of the extrusion barrel 2;

[0029] By providing the feed hopper 21 , it is possible to introduce the raw material into the extrusion cylinder 2 through the feed hopper 21 after the weighing hopper 15 is tilted.

[0030] like Figure 2As shown, two support blocks 22 are fixedly installed at the bottom of the extrusion cylinder 2, and the bottoms of the support blocks 22 are fixedly connected to the top of the bottom plate 1;

[0031] By providing the support block 22 , the extrusion cylinder 2 can be supported, thereby improving the stability of the extrusion cylinder 2 .

[0032] like Figure 1 As shown, four supporting legs 23 are fixedly installed at the bottom of the supporting plate 9, and the bottom ends of the four supporting legs 23 are fixedly connected to the bottom plate 1;

[0033] By providing the support legs 23 , the support plate 9 can be supported and fixed.

[0034] The working principle of the extruder with automatic weighing and feeding structure provided by the utility model is as follows:

[0035] When in use, the raw materials are placed in the weighing hopper 15, and the weighing sensor 14 weighs the placed raw materials. When the required weight is reached, the second motor 18 is started, and the second motor 18 drives the threaded rod 17 to rotate, and the threaded rod 17 drives the internal threaded slider 19 to move. The internal threaded slider 19 drives the flip plate 12 to flip around the fixed axis 11 through the tilting push rod 20, so that the weighing hopper 15 is tilted, and the raw materials in the weighing hopper 15 are poured into the feed hopper 21 and then into the extrusion barrel 2, and the first motor 6 is started, and the first motor 6 drives the connecting shaft 8 to rotate through the reducer 7, and the connecting shaft 8 drives the screw rod 4 to rotate, so as to transport the raw materials, and after heating and melting, they are extruded through the extrusion head 3 to produce the product.

[0036] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0037] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0038] Although the embodiments of the present invention have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations or direct or indirect applications may be made to these embodiments without departing from the principles and spirit of the present invention. In other related technical fields, the scope of the present invention is defined by the attached claims and their equivalents, which are equally included in the scope of patent protection of the present invention.

Claims

1. An extruder with an automatic weighing and feeding structure, characterized in that: include: A bottom plate, on which an extruder body, a weighing mechanism and a turning mechanism are arranged; The extruder body comprises an extrusion barrel, an extrusion head, a screw rod, a mounting seat, a first motor, a reducer and a connecting shaft, the extrusion barrel is arranged above the bottom plate, the extrusion head is fixedly mounted on one end of the extrusion barrel, the screw rod is rotatably mounted in the extrusion barrel, the mounting seat is fixedly mounted on the top of the bottom plate, the first motor and the reducer are both fixedly mounted on the top of the mounting seat, the output shaft of the first motor is fixedly connected to the reducer, the connecting shaft is fixedly mounted on one end of the screw rod, and one end of the connecting shaft extends outside the extrusion barrel and is fixedly connected to the reducer; The weighing mechanism includes a support plate, two fixed plates, a fixed shaft, a flip plate, two connecting blocks, a weighing sensor and a weighing hopper. The support plate is arranged above the bottom plate, the two fixed plates are fixedly installed on the top of the support plate, the fixed shaft is rotatably installed on the two fixed plates, the flip plate is arranged above the support plate, the two connecting blocks are fixedly sleeved on the fixed shaft, the tops of the two connecting blocks are fixedly connected to the flip plate, the weighing sensor is fixedly installed on the top of the flip plate, and the weighing hopper is fixedly installed on the top of the weighing sensor.

2. The extruder with automatic weighing and unloading structure according to claim 1, characterized in that: The flipping mechanism includes a bar slide, a threaded rod, a second motor, an internally threaded slider and a tilting push rod. The bar slide is opened at the top of the support plate, the threaded rod is rotatably installed in the bar slide, the second motor is fixedly installed on one side outer wall of the support plate, the output shaft of the second motor is fixedly connected to one end of the threaded rod, the internally threaded slider is threadedly sleeved on the threaded rod, the tilting push rod is hingedly installed on the top of the internally threaded slider, and the top end of the tilting push rod is hinged to the bottom of the flipping plate.

3. The extruder with automatic weighing and unloading structure according to claim 1, characterized in that: A feed hopper is fixedly installed on the top of the extrusion cylinder.

4. The extruder with automatic weighing and unloading structure according to claim 1, characterized in that: Two support blocks are fixedly installed at the bottom of the extrusion cylinder, and the bottoms of the support blocks are fixedly connected to the top of the bottom plate.

5. The extruder with automatic weighing and unloading structure according to claim 1, characterized in that: Four supporting legs are fixedly installed on the bottom of the supporting plate, and the bottom ends of the four supporting legs are fixedly connected to the bottom plate.

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