Multi-screw double-wrist feeding device

Abstract

The utility model discloses a multi-screw double-wrist feeding device, which relates to the technical field of feeding devices, and comprises a base, the top of the base is fixedly connected with a feeding trough, the left side of the feeding trough is fixedly connected with a feeding mechanism, the top of the feeding trough is fixedly connected with two support plates, and the two support plates are fixedly connected with two screw rods. The tops of the two supporting plates are fixedly connected with a discharging mechanism, the top of the discharging mechanism is fixedly connected with a feeding pipe, and the right end of the base is fixedly connected with a discharging box. According to the multi-screw double-wrist feeding device, the motor I is started to drive the two rotating shafts to reversely rotate at the same speed, a plurality of blades are arranged on the rotating shafts, raw materials can be scattered under rotation, the occurrence of caking is reduced, the arranged screen can block the caking which is not scattered, and the feeding efficiency is improved. When the blades rotate to the lower portion, the blades can be beaten to form blocks again, accumulation on the screen is prevented, blocking is effectively reduced, and a better discharging effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of feeding devices, in particular to a double-wrist feeding device with multiple screws. Background Art

[0002] The twin-screw feeding device is a type of rubber machinery. It relies on the pressure and shear force generated by the rotation of the screw to fully plasticize and evenly mix the material, and extrude the rubber through the discharge port.

[0003] For example, the Chinese patent with announcement number CN208841642U discloses a twin-screw feeding device, including a base, a main motor is fixedly installed on one side of the upper end of the base, a coupling assembly is arranged on one side of the main motor, a reducer is arranged on one side of the coupling assembly, and the reducer is fixedly installed on the upper end of the base. The twin-screw feeding device described in the utility model is provided with a warm water cooling device, which is connected to the water pipe arranged inside the feeding roller, and warm water is introduced into one end and outputted at the other end, and then reciprocates to reduce the water temperature well, so as to control the water temperature of the extruder barrel section, prevent overheating, overplasticization and oversulfurization, and make early preparations, so that the temperature of each section does not exceed the set value, and the photoelectric alarm is arranged, which can detect the interruption of rubber material delivery and give a prompt warning, and has an emergency stop function. In case of emergency, the feeding can be stopped immediately and the device can be stopped quickly, which has certain practicality and brings better prospects for use.

[0004] The existing technology has the following problems:

[0005] The existing feeding device cannot break up the raw materials when discharging the materials, and some of the raw materials will clump, causing blockage inside the channel. At the same time, the existing feeding device cannot conveniently observe the transportation of the raw materials, and the raw materials are prone to accumulation, which affects the discharging effect. Utility Model Content

[0006] The utility model provides a double-wrist feeding device with multiple screws to solve the problems raised in the above background technology.

[0007] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0008] A multi-screw double-wrist feeding device comprises a base, the top of the base is fixedly connected to a feeding trough, the left side of the feeding trough is fixedly connected to a feeding mechanism, the top of the feeding trough is fixedly connected to two support plates, the tops of the two support plates are fixedly connected to a feeding mechanism, the top of the feeding mechanism is fixedly connected to a feeding pipe, the right end of the base is fixedly connected to a discharge box, and the right part of the discharge box is rotatably connected to a baffle.

[0009] Preferably: the unloading mechanism includes a discharging hopper and a connecting frame, the front and rear parts of the discharging hopper are fixedly connected to the tops of two support plates, the right side of the connecting frame is fixedly connected to the left side of the discharging hopper, the front part of the bottom of the inner wall of the connecting frame is fixedly connected to a motor 1, the front and rear parts of the inner wall of the discharging hopper are rotatably connected to two rotating shafts, the left ends of the two rotating shafts are fixedly connected to two connecting shafts, the output end of the motor 1 is fixedly connected to the left end of the connecting shaft at the front end, the bottom of the discharging hopper is fixedly connected to a fixing sleeve, and the front and rear parts of the surfaces of the two rotating shafts are fixedly connected to a plurality of blades in a linear array.

[0010] Preferably, a screen is fixedly connected to the middle position of the bottom of the discharge hopper, and the surface diameter of the screen is slightly smaller than the inner wall diameter of the fixed sleeve.

[0011] Preferably: the left end of the connecting shaft at the rear passes through the discharge hopper and is fixedly connected to gear 2, and the left part of the connecting shaft at the front is fixedly connected to gear 1, and the surface of gear 1 is meshed with the surface of gear 2.

[0012] Preferably: the feeding mechanism comprises a fixed frame, the right side of the fixed frame is fixedly connected to the left side of the feeding trough, the left side of the fixed frame is fixedly connected to motor 2, the front and rear parts of the inner wall of the feeding trough are rotatably connected to two rotating shafts, the left ends of the two rotating shafts pass through the left part of the feeding trough and are fixedly connected to two gears, the surfaces of the two gears are meshed, the output end of motor 2 is fixedly connected to the left end of the rotating shaft located in the front, the upper part of the inner wall of the feeding trough is fixedly connected to a connecting sleeve, the upper and lower parts of the inner wall of the connecting sleeve are movably connected to a protective plate, the top of the protective plate is fixedly connected to a pull plate, and a feed port is opened in the middle position of the protective plate on the left side.

[0013] Preferably, the front and rear sides of the protective plate are fixedly connected to limiting blocks, and the upper and lower parts of the front and rear sides of the inner wall of the connecting sleeve are provided with limiting grooves, and the shapes of the limiting grooves and the limiting blocks are both T-shaped blocks.

[0014] Preferably, two spiral plates are fixedly connected to the surfaces of the two rotating shafts, and the two spiral plates rotate in opposite directions.

[0015] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0016] 1. The utility model provides a double-wrist feeding device with multiple screws. By starting a motor, two rotating shafts will be driven to rotate in opposite directions at the same speed. A plurality of blades are arranged on the rotating shafts. The raw materials will be broken up during rotation to reduce the occurrence of lumps. The arranged screen can block the lumps that have not been broken up. When the blades rotate downward, the lumps will be broken up again to prevent accumulation on the screen, effectively reduce the occurrence of blockage, and achieve a better feeding effect.

[0017] 2. The utility model provides a double-wrist feeding device with multiple screws. By starting motor 1, the two rotating shafts will be driven to rotate in opposite directions at the same speed. Spiral plates with opposite rotation directions are arranged on the two rotating shafts. The raw materials will be pushed to the right end under rotation to achieve the feeding effect. By pulling the pull plate, the protective plate will be driven to slide, and then the space above the feeding trough can be opened, which is more conducive to observing the conveying status of the raw materials and achieving a better feeding effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a cross-sectional structural diagram of the material feeding mechanism of the utility model;

[0020] Figure 3 It is a partial structural schematic diagram of the material feeding mechanism of the utility model;

[0021] Figure 4 This is a schematic diagram of the feeding mechanism structure of the utility model;

[0022] Figure 5 This is a schematic cross-sectional view of the feeding mechanism of the utility model;

[0023] Figure 6 For the utility model Figure 5 Enlarged structural diagram at A in the middle.

[0024] In the figure: 1. base; 2. feeding trough; 3. feeding mechanism; 4. supporting plate; 5. unloading mechanism; 6. feeding pipe; 7. discharging box; 8. baffle; 51. connecting frame; 52. fixing sleeve; 53. screen; 54. discharging hopper; 55. rotating shaft; 56. blade; 57. motor one; 58. gear one; 59. gear two; 501. connecting shaft; 31. motor two; 32. fixing frame; 33. protective plate; 34. feeding port; 35. pulling plate; 36. limiting groove; 37. connecting sleeve; 38. gear; 39. rotating shaft; 301. spiral plate; 302. limiting block. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0026] like Figure 1As shown, a multi-screw double-wrist feeding device includes a base 1, a feeding trough 2 is fixedly connected to the top of the base 1, a feeding mechanism 3 is fixedly connected to the left side of the feeding trough 2, two support plates 4 are fixedly connected to the top of the feeding trough 2, a discharge mechanism 5 is fixedly connected to the top of the two support plates 4, a feed pipe 6 is fixedly connected to the top of the discharge mechanism 5, a discharge box 7 is fixedly connected to the right end of the base 1, and a baffle 8 is rotatably connected to the right part of the discharge box 7.

[0027] It should be noted that the feeding mechanism 3 is set up to crush and disperse the raw materials, reduce the occurrence of caking, effectively reduce the occurrence of blockage, and achieve a better feeding effect. The feeding mechanism 3 is set up to push the raw materials to move to the right end, and at the same time it is convenient to observe the conveying state of the raw materials to achieve the feeding effect. Finally, the raw materials will enter the discharge box 7. The baffle 8 is rotatable. When a certain amount of raw materials are pushed, the baffle 8 will rotate upward, and the raw materials will slide down.

[0028] like Figure 2 , Figure 3 As shown, the unloading mechanism 5 includes a discharging hopper 54 and a connecting frame 51, the front and rear parts of the discharging hopper 54 are fixedly connected to the tops of the two support plates 4, the right side of the connecting frame 51 is fixedly connected to the left side of the discharging hopper 54, the front part of the bottom of the inner wall of the connecting frame 51 is fixedly connected to a motor 57, the front and rear parts of the inner wall of the discharging hopper 54 are rotatably connected to two rotating shafts 55, the left ends of the two rotating shafts 55 are fixedly connected to two connecting shafts 501, the output end of the motor 57 is fixedly connected to the left end of the connecting shaft 501 at the front end, the bottom of the discharging hopper 54 is fixedly connected to a fixing sleeve 52, and the front and rear parts of the surfaces of the two rotating shafts 55 are fixedly connected to a plurality of blades 56 in a linear array.

[0029] It should be noted that by starting the motor 1 57, the front connecting shaft 501 will be driven to rotate clockwise, and then the gear 1 58 will be driven to rotate clockwise, and the gear 1 58 and the gear 2 59 will be meshed, so that the gear 2 59 will rotate counterclockwise, and then the two connecting shafts 501 will be driven to rotate in opposite directions at the same speed, so that the two rotating shafts 55 will rotate in opposite directions at the same speed, and the raw material will fall into the discharge hopper 54 through the feed pipe 6. A plurality of blades 56 are arranged on the rotating shaft 55, and the plurality of blades 56 are staggered with each other. Under the rotation, the raw material will be crushed and broken up to reduce the occurrence of lumps. The raw material continues to fall and will pass through the screen 53 and slide out of the fixed sleeve 52. The screen 53 can block the lumps that have not been broken up. When the blades 56 rotate to the bottom, the lumps will be broken up again to prevent accumulation on the screen 53, effectively reducing the occurrence of blockage and achieving a better material discharge effect.

[0030] like Figure 2As shown, a screen 53 is fixedly connected to the middle position of the bottom of the discharge hopper 54 , and the surface diameter of the screen 53 is slightly smaller than the inner wall diameter of the fixed sleeve 52 .

[0031] It should be noted that the provided screen 53 can block the lumps that have not been broken up. When the blades 56 rotate downward, the lumps will be broken up again to prevent accumulation on the screen 53.

[0032] like Figure 2 , Figure 3 As shown, the left end of the connecting shaft 501 at the rear passes through the discharge hopper 54 and is fixedly connected to gear 2 59 , and the left part of the connecting shaft 501 at the front is fixedly connected to gear 1 58 , and the surface of gear 1 58 is meshed with the surface of gear 2 59 .

[0033] It should be noted that the gear 1 58 and the gear 2 59 are meshed, and the rotation drives the two rotating shafts 55 to rotate in opposite directions at the same speed.

[0034] like Figure 4 , Figure 5 As shown, the feeding mechanism 3 includes a fixed frame 32, the right side of the fixed frame 32 is fixedly connected to the left side of the feeding trough 2, the left side of the fixed frame 32 is fixedly connected to a motor 2 31, the front and rear parts of the inner wall of the feeding trough 2 are rotatably connected to two rotating shafts 39, the left ends of the two rotating shafts 39 pass through the left part of the feeding trough 2 and are fixedly connected to two gears 38, the surfaces of the two gears 38 are meshed, the output end of the motor 2 31 is fixedly connected to the left end of the rotating shaft 39 located in the front, the upper part of the inner wall of the feeding trough 2 is fixedly connected to a connecting sleeve 37, the upper and lower parts of the inner wall of the connecting sleeve 37 are movably connected to a protective plate 33, the top of the protective plate 33 is fixedly connected to a pull plate 35, and a feed port 34 is opened in the middle position of the left protective plate 33.

[0035] It should be noted that by starting the motor 2 31, the front gear 38 will be driven to rotate clockwise, and the two gears 38 are meshed, so that the rear gear 38 rotates counterclockwise, and the two rotating shafts 39 rotate in opposite directions at the same speed. Spiral plates 301 with opposite rotation directions are provided on the two rotating shafts 39. Under the rotation, the raw material will be pushed to the right end to achieve the feeding effect. By pulling the pull plate 35, the protective plate 33 will be driven to slide, and the limit block 302 will slide along the limit groove 36. The limit block 302 and the limit groove 36 are both T-shaped blocks, which ensure that the protective plate 33 will not fall, and the space above the feeding trough 2 can be opened, which is more conducive to observing the conveying status of the raw materials and achieving a better feeding effect.

[0036] like Figure 5 , Figure 6As shown, the front and rear sides of the protective plate 33 are fixedly connected to the limiting block 302, and the upper and lower parts of the front and rear sides of the inner wall of the connecting sleeve 37 are provided with limiting grooves 36, and the limiting grooves 36 and the limiting block 302 are both T-shaped.

[0037] It should be noted that the limiting block 302 and the limiting groove 36 are both T-shaped blocks, which ensures that the protective plate 33 will not fall off.

[0038] like Figure 5 As shown, two spiral plates 301 are fixedly connected to the surfaces of the two rotating shafts 39 , and the two spiral plates 301 rotate in opposite directions.

[0039] It should be noted that the spiral plates 301 arranged with opposite rotation directions will push the raw materials to move to the right end when rotating, thereby achieving the feeding effect.

[0040] The working principle of the utility model is as follows: by starting the motor 1 57, the front connecting shaft 501 will be driven to rotate clockwise, and then the gear 1 58 will be driven to rotate clockwise, the gear 1 58 and the gear 2 59 are meshed, and the gear 2 59 is made to rotate counterclockwise, and then the two connecting shafts 501 are driven to rotate in opposite directions at the same speed, so that the two rotating shafts 55 are rotated in opposite directions at the same speed, and the raw materials fall into the discharge hopper 54 through the feed pipe 6. A plurality of blades 56 are arranged on the rotating shaft 55, and the plurality of blades 56 are staggered with each other. Under the rotation, the raw materials will be crushed and scattered to reduce the occurrence of lumps. The raw materials continue to fall and will pass through the screen 53 and slide from the fixed sleeve 52. The screen 53 can block the lumps that have not been broken up. When the blades 56 rotate to the bottom, the lumps will be broken up again to prevent accumulation on the screen 53, effectively reducing the occurrence of blockage, and achieving a better feeding effect. The raw materials fall and will pass through the feed port 3 4 slides into the feeding trough 2, and by starting the motor 2 31, the front gear 38 will be driven to rotate clockwise, and the two gears 38 are meshed, so that the rear gear 38 rotates counterclockwise, and then the two shafts 39 rotate in the same speed and opposite directions. The two shafts 39 are provided with spiral plates 301 with opposite rotation directions. Under the rotation, the raw material will be pushed to the right end to achieve the feeding effect. By pulling the pull plate 35, the protective plate 33 will be driven to slide, and then the limit block 302 will slide along the limit groove 36. The limit block 302 and the limit groove 36 are both T-shaped blocks, which ensure that the protective plate 33 will not fall, and then the upper space of the feeding trough 2 can be opened, which is more conducive to observing the conveying state of the raw material and achieving a better feeding effect. Finally, the raw material will enter the discharge box 7. The baffle 8 is rotatable. When a certain amount of raw material is pushed, the baffle 8 will rotate upward, and the raw material will slide down.

[0041] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A multi-screw double-wrist feeding device, comprising a base (1), characterized in that: A feeding trough (2) is fixedly connected to the top of the base (1), a feeding mechanism (3) is fixedly connected to the left side of the feeding trough (2), two supporting plates (4) are fixedly connected to the top of the feeding trough (2), a feeding mechanism (5) is fixedly connected to the top of the two supporting plates (4), a feeding pipe (6) is fixedly connected to the top of the feeding mechanism (5), a discharging box (7) is fixedly connected to the right end of the base (1), and a baffle (8) is rotatably connected to the right part of the discharging box (7).

2. A multi-screw double-wrist feeding device according to claim 1, characterized in that: The unloading mechanism (5) comprises a discharge hopper (54) and a connecting frame (51); the front and rear parts of the discharge hopper (54) are fixedly connected to the tops of the two support plates (4); the right side of the connecting frame (51) is fixedly connected to the left side of the discharge hopper (54); the front part of the bottom of the inner wall of the connecting frame (51) is fixedly connected to a motor 1 (57); the front and rear parts of the inner wall of the discharge hopper (54) are rotatably connected to two rotating shafts (55); the left ends of the two rotating shafts (55) are fixedly connected to two connecting shafts (501); the output end of the motor 1 (57) is fixedly connected to the left end of the front connecting shaft (501); the bottom of the discharge hopper (54) is fixedly connected to a fixing sleeve (52); the front and rear parts of the surfaces of the two rotating shafts (55) are fixedly connected to a plurality of blades (56) in a linear array.

3. A multi-screw double-wrist feeding device according to claim 2, characterized in that: A screen (53) is fixedly connected to the middle position of the bottom of the discharge hopper (54), and the surface diameter of the screen (53) is slightly smaller than the inner wall diameter of the fixed sleeve (52).

4. A multi-screw double-wrist feeding device according to claim 2, characterized in that: The left end of the connecting shaft (501) at the rear passes through the discharge hopper (54) and is fixedly connected to gear 2 (59), and the left part of the connecting shaft (501) at the front is fixedly connected to gear 1 (58), and the surface of gear 1 (58) is meshed with the surface of gear 2 (59).

5. A multi-screw double-wrist feeding device according to claim 2, characterized in that: The feeding mechanism (3) comprises a fixed frame (32), the right side of the fixed frame (32) is fixedly connected to the left side of the feeding trough (2), the left side of the fixed frame (32) is fixedly connected to a second motor (31), the front and rear parts of the inner wall of the feeding trough (2) are rotatably connected to two rotating shafts (39), the left ends of the two rotating shafts (39) pass through the left part of the feeding trough (2) and are fixedly connected to two gears (38), the surfaces of the two gears (38) are meshed, the output end of the second motor (31) is fixedly connected to the left end of the rotating shaft (39) located in the front, the upper part of the inner wall of the feeding trough (2) is fixedly connected to a connecting sleeve (37), the upper and lower parts of the inner wall of the connecting sleeve (37) are movably connected to a protective plate (33), the top of the protective plate (33) is fixedly connected to a pull plate (35), and a feed port (34) is provided in the middle of the left side of the protective plate (33).

6. A multi-screw double-wrist feeding device according to claim 5, characterized in that: The front and rear sides of the protective plate (33) are fixedly connected to the limiting block (302), and the upper and lower parts of the front and rear sides of the inner wall of the connecting sleeve (37) are provided with limiting grooves (36), and the limiting grooves (36) and the limiting blocks (302) are both in the shape of T-shaped blocks.

7. A multi-screw double-wrist feeding device according to claim 5, characterized in that: Two spiral plates (301) are fixedly connected to the surfaces of the two rotating shafts (39), and the two spiral plates (301) rotate in opposite directions.

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