Spray pipe structure for jet mill

Abstract

The utility model discloses a jet pipe structure for a jet mill, which comprises a jet pipe main body, one side of the jet pipe main body is fixedly connected with a wedge-shaped pipe, one side of the wedge-shaped pipe is fixedly connected with a connecting pipe, and the inside of the connecting pipe is movably connected with a communicating pipe. The center line of the wedge-shaped pipe and the center line of the connecting pipe are located on the same horizontal plane. According to the spray pipe structure for the jet mill, by arranging the wedge-shaped pipe, when the flow speed of materials in the jet mill needs to be adjusted, an air cylinder is started to push a connecting ring and a movable sleeve to move towards one side through a piston rod, and the movable sleeve drives a positioning shaft and the wedge-shaped pipe to move towards one side through a fixing plate, so that the distance between the wedge-shaped shaft and the wedge-shaped pipe is adjusted; the flow speed of internal materials can be adjusted by adjusting the distance between the wedge-shaped shaft and the wedge-shaped pipe, the supporting battens at the two ends of the positioning shaft are attached to the interior of the spray pipe body so that the positioning shaft can be limited, the positioning shaft is prevented from shaking, and the problem that the internal flow speed cannot be adjusted conveniently is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of air flow pulverizers, in particular to a nozzle structure used for air flow pulverizers. Background Art

[0002] Airflow pulverizer is a large-scale processing equipment that can quickly crush hard materials. It has the characteristics of high processing efficiency and strong safety. It can process various types of materials. The nozzle structure in the airflow pulverizer is the key structure for material crushing.

[0003] However, the nozzle structure currently used in air flow mills still has some defects in use. After installation, the internal material flow rate cannot be easily adjusted, resulting in the inability to change the internal flow rate for different materials.

[0004] Now a new type of nozzle structure for air flow mill is proposed to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a nozzle structure for an air flow mill to solve the problem in the above background technology that the internal flow rate cannot be conveniently adjusted.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a nozzle structure for a jet mill, comprising a nozzle body, a wedge-shaped tube fixedly connected to one side of the nozzle body, a connecting tube fixedly connected to one side of the wedge-shaped tube, a connecting tube movably connected to the interior of the connecting tube, the centerline of the wedge-shaped tube and the centerline of the connecting tube being on the same horizontal plane, and an adjustment mechanism for adjusting the internal flow velocity being provided inside the nozzle body;

[0007] The adjusting mechanism includes a connecting ring and a movable sleeve. The outside of the nozzle body is movably connected to the movable sleeve. One side of the movable sleeve is fixedly connected to the connecting ring. Both ends of one side of the movable sleeve are respectively fixedly connected to a group of fixed plates. One side of the fixed plate is fixedly connected to an inclined plate. One end of the fixed plate is fixedly connected to a positioning shaft. One side of the positioning shaft is fixedly connected to a wedge-shaped shaft. Both ends of the positioning shaft are respectively fixedly connected to a group of supporting strips. Both ends of the nozzle body are fixedly connected to the fixed sleeve. The interior of the fixed sleeve is fixedly connected to a cylinder. The output end of the cylinder is fixedly connected to a piston rod.

[0008] Preferably, the piston rod is fixedly connected to the connecting ring, and the supporting strip is slidably connected to the nozzle body.

[0009] Preferably, the center line of the positioning shaft and the center line of the wedge-shaped shaft are on the same horizontal plane, and the center line of the movable sleeve and the center line of the positioning shaft are on the same vertical plane.

[0010] Preferably, the outside of the connecting pipe is fixedly connected to a connecting convex plate, one side of the connecting pipe is fixedly connected to an arc-shaped plug plate, the outside of the arc-shaped plug plate is provided with a second slot, the outside of the connecting convex plate is provided with a first slot, and the inside of the first slot is movably connected to a positioning ring.

[0011] Preferably, a group of connecting pieces are fixedly connected to both ends of the positioning collar, and a through hole is formed at one end of the connecting piece.

[0012] Preferably, one end of the connecting piece is movably connected to a connecting bolt, and the connecting bolt passes through the through hole and is movably connected to a connecting nut.

[0013] Preferably, the connecting nut is movably connected to the connecting piece, and the connecting bolt is movably connected to the through hole.

[0014] Preferably, the positioning collar is movably connected to the second slot, and the arc-shaped inserting plate is movably connected to the connecting protruding plate.

[0015] Preferably, a wedge ring is fixedly connected to one side of the inside of the wedge-shaped tube, and a rubber ring is fixedly connected to one side of the connecting tube.

[0016] Preferably, the wedge ring is movably connected to the rubber ring, and the center line of the wedge ring and the center line of the wedge tube are on the same horizontal plane.

[0017] Compared with the prior art, the beneficial effects of the present invention are: the nozzle structure for the airflow mill can not only realize the convenient adjustment of the internal flow rate and the rapid connection, but also realize the improvement of the stability of the pipe body after connection;

[0018] (1) By providing a wedge-shaped tube, a wedge-shaped shaft, a fixed sleeve, a cylinder, a piston rod, a connecting ring, a movable sleeve, a positioning shaft, an inclined plate, a fixed plate and a supporting strip, when it is necessary to adjust the internal material flow rate, the cylinder is started to push the connecting ring and the movable sleeve to one side through the piston rod, and the movable sleeve drives the positioning shaft and the wedge-shaped shaft to move to one side through the fixed plate, thereby adjusting the distance between the wedge-shaped shaft and the wedge-shaped tube. By adjusting the distance between the wedge-shaped shaft and the wedge-shaped tube, the internal material flow rate can be adjusted, and the supporting strips at both ends of the positioning shaft fit into the interior of the nozzle body to limit the positioning shaft and prevent the positioning shaft from shaking, thereby realizing the convenient adjustment of the internal material flow rate;

[0019] (2) A connecting pipe, a connecting piece, a first clamping groove, a connecting pipe, a connecting convex plate, a through hole, a connecting bolt, a connecting nut, a positioning collar, an arc-shaped insert plate, and a second clamping groove are provided. When making a connection, the arc-shaped insert plate on one side of the connecting pipe is inserted between the connecting convex plates on the outside of the connecting pipe, and then the positioning collar is sleeved inside the first clamping groove and engaged with the second clamping groove, thereby connecting the connecting pipe and the connecting pipe through the first clamping groove and the second clamping groove. Then, the connecting bolt is passed through the inside of the through hole and the connecting nut is sleeved on the outside of the connecting bolt and tightened, thereby fixing the two sets of positioning collars through the connecting piece, thereby achieving convenient connection;

[0020] (3) By providing a wedge ring, a connecting pipe, a connecting pipe and a rubber ring, after connection, the rubber ring on one side of the connecting pipe fits on one side of the wedge ring to ensure sealing. At the same time, the wedge ring can support the connecting pipe, thereby improving the stability of the connecting pipe during operation. The connecting pipe fits on the outside of the connecting pipe to further position the connecting pipe, thereby preventing the connecting pipe from shaking and affecting the crushing effect, thereby improving the stability of the pipe after connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the front cross-sectional structure of the present utility model;

[0022] Figure 2 This is a side view of the connecting convex plate structure of the utility model;

[0023] Figure 3 For the utility model Figure 1 A in the middle is an enlarged structural diagram;

[0024] Figure 4 This is a schematic diagram of the side cross-sectional structure of the positioning shaft of the present utility model;

[0025] Figure 5 This is a schematic side view of the cross-sectional structure of the arc-shaped inserting plate of the present invention;

[0026] Figure 6 This is a front view structural diagram of the connecting pipe of the present invention.

[0027] In the figure: 1. nozzle body; 2. wedge-shaped tube; 3. wedge-shaped ring; 4. connecting tube; 5. connecting plate; 6. first slot; 7. connecting tube; 8. connecting convex plate; 9. through hole; 10. rubber ring; 11. wedge-shaped shaft; 12. fixed sleeve; 13. cylinder; 14. piston rod; 15. connecting ring; 16. movable sleeve; 17. positioning shaft; 18. inclined plate; 19. fixed plate; 20. supporting strip; 21. connecting bolt; 22. connecting nut; 23. positioning collar; 24. arc-shaped insert plate; 25. second slot. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] Example 1: Please refer to Figure 1-6 A nozzle structure for a jet mill includes a nozzle body 1, a wedge-shaped tube 2 fixedly connected to one side of the nozzle body 1, a connecting tube 4 fixedly connected to one side of the wedge-shaped tube 2, a connecting tube 7 movably connected to the interior of the connecting tube 4, the center line of the wedge-shaped tube 2 and the center line of the connecting tube 4 being on the same horizontal plane, and an adjustment mechanism for adjusting the internal flow rate is provided inside the nozzle body 1;

[0030] The adjustment mechanism includes a connecting ring 15 and a movable sleeve 16. The outside of the nozzle body 1 is movably connected to the movable sleeve 16. One side of the movable sleeve 16 is fixedly connected to the connecting ring 15. The two ends of one side of the movable sleeve 16 are respectively fixedly connected to a group of fixed plates 19. One side of the fixed plate 19 is fixedly connected to an inclined plate 18. One end of the fixed plate 19 is fixedly connected to a positioning shaft 17. One side of the positioning shaft 17 is fixedly connected to a wedge-shaped shaft 11. The two ends of the positioning shaft 17 are respectively fixedly connected to a group of support strips 20. The two ends of the nozzle body 1 are fixedly connected to the fixed sleeve 12. The interior of the fixed sleeve 12 is fixedly connected to the cylinder 13. The output end of the cylinder 13 is fixedly connected to the piston rod 14.

[0031] The piston rod 14 is fixedly connected to the connecting ring 15, and the supporting strip 20 is slidably connected to the nozzle body 1;

[0032] The center line of the positioning shaft 17 and the center line of the wedge-shaped shaft 11 are on the same horizontal plane, and the center line of the movable sleeve 16 and the center line of the positioning shaft 17 are on the same vertical plane;

[0033] Specifically, if Figure 1 and Figure 4 As shown, when it is necessary to adjust the internal material flow rate, the starting cylinder 13 pushes the connecting ring 15 and the movable sleeve 16 to move to one side through the piston rod 14, and the movable sleeve 16 drives the positioning shaft 17 and the wedge-shaped shaft 11 to move to one side through the fixed plate 19, thereby adjusting the distance between the wedge-shaped shaft 11 and the wedge-shaped tube 2. The internal material flow rate can be adjusted by adjusting the distance between the wedge-shaped shaft 11 and the wedge-shaped tube 2, and the support strips 20 at both ends of the positioning shaft 17 fit into the interior of the nozzle body 1 to limit the positioning shaft 17 and prevent the positioning shaft 17 from shaking, thereby realizing convenient adjustment of the internal material flow rate.

[0034] Example 2: The outside of the connecting pipe 7 is fixedly connected to a connecting convex plate 8, one side of the connecting pipe 4 is fixedly connected to an arc-shaped insert plate 24, the outside of the arc-shaped insert plate 24 is provided with a second slot 25, the outside of the connecting convex plate 8 is provided with a first slot 6, the inside of the first slot 6 is movably connected to a positioning collar 23, and both ends of the positioning collar 23 are respectively fixedly connected to a group of connecting pieces 5, one end of the connecting piece 5 is provided with a through hole 9, one end of the connecting piece 5 is movably connected to a connecting bolt 21, and the connecting bolt 21 passes through the through hole 9 and is movably connected to a connecting nut 22;

[0035] The connecting nut 22 is movably connected to the connecting piece 5, and the connecting bolt 21 is movably connected to the through hole 9;

[0036] The positioning collar 23 is movably connected to the second slot 25 , and the arc-shaped inserting plate 24 is movably connected to the connecting protruding plate 8 ;

[0037] Specifically, if Figure 1 、 Figure 2 、 Figure 3 、 Figure 5 and Figure 6 As shown, when making a connection, the arc-shaped plug plate 24 on one side of the connecting pipe 4 is inserted between the connecting protrusions 8 on the outside of the connecting pipe 7, and then the positioning collar 23 is sleeved on the inside of the first card groove 6 and engaged with the second card groove 25, so that the connecting pipe 4 and the connecting pipe 7 are connected through the first card groove 6 and the second card groove 25, and then the connecting bolt 21 is passed through the inside of the through hole 9 and the connecting nut 22 is sleeved on the outside of the connecting bolt 21 and tightened, so that the two sets of positioning collars 23 are fixed through the connecting piece 5, so that the connection can be conveniently made.

[0038] Example 3: A wedge ring 3 is fixedly connected to one side of the wedge tube 2, and a rubber ring 10 is fixedly connected to one side of the connecting tube 7;

[0039] The wedge ring 3 is movably connected to the rubber ring 10, and the center line of the wedge ring 3 and the center line of the wedge tube 2 are on the same horizontal plane;

[0040] Specifically, if Figure 1 and Figure 2 As shown, after the connection, the rubber ring 10 on one side of the connecting pipe 7 fits on one side of the wedge ring 3 to ensure sealing. At the same time, the wedge ring 3 can support the connecting pipe 7 to improve the stability of the connecting pipe 7 during operation. The connecting pipe 4 fits on the outside of the connecting pipe 7 to further position the connecting pipe 7 to prevent the connecting pipe 7 from shaking and affecting the crushing effect, thereby improving the stability of the pipe after connection.

[0041] Working principle: When the utility model is in use, when making a connection, the arc-shaped plug plate 24 on one side of the connecting pipe 4 is inserted between the connecting convex plates 8 on the outside of the connecting pipe 7, and then the positioning collar 23 is sleeved on the inside of the first card groove 6 and engaged with the second card groove 25, so that the connecting pipe 4 and the connecting pipe 7 are connected through the first card groove 6 and the second card groove 25, and then the connecting bolt 21 is passed through the inside of the through hole 9 and the connecting nut 22 is sleeved on the outside of the connecting bolt 21 and tightened, so that the two sets of positioning collars 23 are fixed through the connecting piece 5. After the connection, the rubber ring 10 on one side of the connecting pipe 7 fits on one side of the wedge ring 3 to ensure sealing, and the wedge ring 3 can support the connecting pipe 7 at the same time. , improving the stability of the connecting pipe 7 during operation, the connecting pipe 4 is fitted on the outside of the connecting pipe 7 to further position the connecting pipe 7, preventing the connecting pipe 7 from shaking and affecting the crushing effect. When the internal material flow rate needs to be adjusted, the starting cylinder 13 pushes the connecting ring 15 and the movable sleeve 16 to move to one side through the piston rod 14, and the movable sleeve 16 drives the positioning shaft 17 and the wedge-shaped shaft 11 to move to one side through the fixed plate 19, thereby adjusting the distance between the wedge-shaped shaft 11 and the wedge-shaped tube 2. By adjusting the distance between the wedge-shaped shaft 11 and the wedge-shaped tube 2, the internal material flow rate can be adjusted, and the support strips 20 at both ends of the positioning shaft 17 are fitted on the inside of the nozzle body 1 to limit the positioning shaft 17 and prevent the positioning shaft 17 from shaking.

Claims

1. A nozzle structure for a jet mill, comprising a nozzle body (1), characterized in that: A wedge-shaped tube (2) is fixedly connected to one side of the nozzle body (1), a connecting tube (4) is fixedly connected to one side of the wedge-shaped tube (2), a connecting tube (7) is movably connected inside the connecting tube (4), a center line of the wedge-shaped tube (2) and a center line of the connecting tube (4) are on the same horizontal plane, and an adjusting mechanism for adjusting the internal flow velocity is provided inside the nozzle body (1); The regulating mechanism comprises a connecting ring (15) and a movable sleeve (16); the outside of the nozzle body (1) is movably connected to the movable sleeve (16); one side of the movable sleeve (16) is fixedly connected to the connecting ring (15); both ends of one side of the inside of the movable sleeve (16) are respectively fixedly connected to a group of fixed plates (19); one side of the fixed plate (19) is fixedly connected to an inclined plate (18); one end of the fixed plate (19) is fixedly connected to a positioning shaft (17); one side of the positioning shaft (17) is fixedly connected to a wedge-shaped shaft (11); both ends of the positioning shaft (17) are respectively fixedly connected to a group of supporting strips (20); both ends of the nozzle body (1) are fixedly connected to a fixed sleeve (12); the inside of the fixed sleeve (12) is fixedly connected to a cylinder (13); the output end of the cylinder (13) is fixedly connected to a piston rod (14).

2. The nozzle structure for a jet mill according to claim 1, characterized in that: The piston rod (14) is fixedly connected to the connecting ring (15), and the supporting strip (20) is slidably connected to the nozzle body (1).

3. The nozzle structure for a jet mill according to claim 1, characterized in that: The center line of the positioning shaft (17) and the center line of the wedge shaft (11) are on the same horizontal plane, and the center line of the movable sleeve (16) and the center line of the positioning shaft (17) are on the same vertical plane.

4. The nozzle structure for a jet mill according to claim 1, characterized in that: The outside of the connecting pipe (7) is fixedly connected to a connecting convex plate (8), one side of the connecting pipe (4) is fixedly connected to an arc-shaped inserting plate (24), the outside of the arc-shaped inserting plate (24) is provided with a second card slot (25), and the outside of the connecting convex plate (8) is provided with a first card slot (6).

5. The nozzle structure for a jet mill according to claim 4, characterized in that: A positioning collar (23) is movably connected inside the first slot (6), and a group of connecting pieces (5) are fixedly connected to both ends of the positioning collar (23), and a through hole (9) is formed at one end of the connecting piece (5).

6. The nozzle structure for a jet mill according to claim 5, characterized in that: One end of the connecting piece (5) is movably connected to a connecting bolt (21), and the connecting bolt (21) passes through the through hole (9) and is movably connected to a connecting nut (22).

7. The nozzle structure for a jet mill according to claim 6, characterized in that: The connecting nut (22) is movably connected to the connecting piece (5), and the connecting bolt (21) is movably connected to the through hole (9).

8. The nozzle structure for a jet mill according to claim 5, characterized in that: The positioning collar (23) is movably connected to the second clamping groove (25), and the arc-shaped inserting plate (24) is movably connected to the connecting protruding plate (8).

9. The nozzle structure for a jet mill according to claim 1, characterized in that: A wedge ring (3) is fixedly connected to one side of the interior of the wedge tube (2), and a rubber ring (10) is fixedly connected to one side of the connecting tube (7).

10. The nozzle structure for a jet mill according to claim 9, characterized in that: The wedge ring (3) is movably connected to the rubber ring (10), and the center line of the wedge ring (3) and the center line of the wedge tube (2) are on the same horizontal plane.

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