Variable-speed adjusting screw rod for milk powder filling

Abstract

The utility model belongs to the technical field of screws, and particularly relates to a variable-speed adjusting screw for milk powder filling. The speed change mechanism comprises a shaft rod arranged at the end of the rod body, a driven gear is fixed to the outer surface of the shaft rod, a hydraulic oil cylinder is rotationally installed at the end of the shaft rod through a second bearing, a transmission rod is arranged on the side edge of the shaft rod, and a driving gear is fixed to the transmission rod. By means of the speed change mechanism arranged at the end of the rod body, speed change of the rod body is facilitated through the speed change mechanism, so that the milk powder filling speed is adjusted conveniently after speed change, meanwhile, the number of the driven gears and the number of the driving gears are both three, the diameters of the three driving gears are sequentially increased from left to right, and the diameters of the three driven gears are sequentially decreased from left to right. The distance between the three driven gears is larger than that between the three driving gears, and therefore the rotating speed of the rod body can be adjusted conveniently.

Description

Technical Field

[0001] The utility model belongs to the technical field of screws, and in particular relates to a speed-variable regulating screw for milk powder filling. Background Art

[0002] The filling screw is a kind of equipment widely used in the food, chemical, pharmaceutical and other industries. It is mainly used to accurately fill liquids, powders or viscous materials into containers.

[0003] When the existing filling screw is in use, since the screw is driven by a motor, when the screw is filling the milk powder, a control circuit is often used to control the speed of the motor to control the speed of the filling screw. However, when the speed needs to be slowed down to fill the milk powder, the filling voltage is reduced. However, after the voltage is reduced, the torque of the motor is reduced, which is not conducive to pushing the milk powder to move. When the filling speed needs to be increased, the voltage is increased to increase the speed of the filling screw. However, a high-speed motor is prone to increase heat due to excessive voltage, causing the motor to be overloaded and damaged.

[0004] Based on this, a variable speed adjustment screw for milk powder filling is designed. Utility Model Content

[0005] In view of the shortcomings of the existing technology, the utility model provides a variable speed adjustment screw for milk powder filling. The specific technical solution is as follows:

[0006] A speed-changing adjusting screw for milk powder filling, comprising a rod body, a spiral sheet welded to the outer surface of the rod body, and a speed-changing mechanism provided at the end of the rod body;

[0007] The speed change mechanism includes a shaft rod provided at the end of a rod body, a driven gear is fixed on the outer surface of the shaft rod, an outer hexagonal plug is integrally formed at the end of the shaft rod, an inner hexagonal hole is provided at the end of the rod body, and the outer hexagonal plug is movably installed in the inner hexagonal hole, an elastic member is installed in the inner hexagonal hole, a hydraulic cylinder is rotatably installed at the end of the shaft rod through a second bearing, a transmission rod is provided on the side of the shaft rod, a driving gear is fixed to the transmission rod, and the driving gear is meshed with the driven gear, and three driving gears and three driven gears are provided, and the diameters of the three driving gears increase from left to right, and the diameters of the three driven gears decrease from left to right, and the spacing between the three driven gears is greater than the spacing between the three driving gears.

[0008] Preferably, the elastic member comprises a spring, and end plates are fixed to both ends of the spring.

[0009] Preferably, a guide groove is provided on the surface of the external hexagonal plug rod.

[0010] Preferably, a groove is provided on the surface of the rod body.

[0011] Preferably, a first bearing is installed at the end of the rod body close to the shaft.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: the speed-changing mechanism arranged at the end of the rod body facilitates the speed-changing of the rod body through the speed-changing mechanism, thereby facilitating the adjustment of the speed of milk powder filling after the speed-changing, and the speed-changing mechanism comprises a shaft rod, a driven gear, an outer hexagonal plug rod, a hydraulic cylinder, a second bearing, a transmission rod and a driving gear, thereby facilitating the movable installation of the outer hexagonal plug rod integrally formed at the end of the shaft rod in the inner hexagonal hole opened at the end of the rod body, facilitating the linkage between the shaft rod and the rod body, and the telescopic end of the hydraulic cylinder is connected to the shaft rod through the second bearing, thereby facilitating the hydraulic cylinder to adjust the position of the shaft rod, facilitating the shaft The driven gear fixed on the rod is meshed with the driving gear fixed on the transmission rod, so that the transmission rod rotates with the shaft through the driving gear and the driven gear, and the shaft rotates with the rod body through the outer hexagonal plug. At the same time, there are three driven gears and three driving gears. The diameters of the three driving gears increase from left to right, and the diameters of the three driven gears decrease from left to right. The spacing between the three driven gears is greater than the spacing between the three driving gears, which makes it easy to adjust the speed of the rod body. The elastic member installed in the inner hexagonal hole makes it easy for the outer hexagonal plug to reset through the elastic member when it contracts in the inner hexagonal hole. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural diagram of the utility model;

[0014] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model;

[0015] Figure 3 It is a schematic diagram of the partial cross-sectional structure of the utility model;

[0016] Figure 4 This is a schematic diagram of the spring and end plate structure in the present utility model;

[0017] Figure 5 for Figure 3 Schematic diagram of the enlarged structure at point A in the middle.

[0018] Figure numerals: 1. rod body; 2. spiral sheet; 3. groove; 4. inner hexagonal hole; 5. shaft; 6. driven gear; 7. outer hexagonal plug rod; 8. guide groove; 9. spring; 10. end plate; 11. first bearing; 12. hydraulic cylinder; 13. second bearing; 14. transmission rod; 15. driving gear. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present utility model are described below.

[0020] See also Figure 1-5 The utility model provides a technical solution: a speed-changing adjusting screw for milk powder filling, comprising a rod body 1, a spiral sheet 2 welded to the outer surface of the rod body 1, and a speed-changing mechanism arranged at the end of the rod body 1;

[0021] The speed change mechanism includes a shaft rod 5 provided at the end of the rod body 1, a driven gear 6 is fixed to the outer surface of the shaft rod 5, an outer hexagonal plug rod 7 is integrally formed at the end of the shaft rod 5, an inner hexagonal hole 4 is opened at the end of the rod body 1, and the outer hexagonal plug rod 7 is movably installed in the inner hexagonal hole 4, an elastic member is installed in the inner hexagonal hole 4, the end of the shaft rod 5 is rotatably installed with a hydraulic cylinder 12 through a second bearing 13, a transmission rod 14 is provided on the side of the shaft rod 5, a driving gear 15 is fixed to the transmission rod 14, and the driving gear 15 is meshed with the driven gear 6, and there are three driving gears 15 and three driven gears 6, and the diameters of the three driving gears 15 increase from left to right, and the diameters of the three driven gears 6 decrease from left to right, and the spacing between the three driven gears 6 is greater than the spacing between the three driving gears 15.

[0022] In this embodiment, the speed change mechanism provided at the end of the rod body 1 facilitates the rod body 1 to change speed through the speed change mechanism, thereby facilitating the adjustment of the speed of milk powder filling after the speed change, and the speed change mechanism includes a shaft rod 5, a driven gear 6, an outer hexagonal plug 7, a hydraulic cylinder 12, a second bearing 13, a transmission rod 14 and a driving gear 15, so that the outer hexagonal plug 7 integrally formed at the end of the shaft rod 5 is movably installed in the inner hexagonal hole 4 opened at the end of the rod body 1, so that the shaft rod 5 and the rod body 1 are linked, and the telescopic end of the hydraulic cylinder 12 is connected to the shaft rod 5 through the second bearing 13, so that It is convenient for the hydraulic cylinder 12 to adjust the position of the shaft 5, and it is convenient for the driven gear 6 fixed on the shaft 5 to mesh with the driving gear 15 fixed on the transmission rod 14, so that the transmission rod 14 is convenient for the transmission rod 14 to rotate with the shaft 5 through the driving gear 15 and the driven gear 6, and the shaft 5 rotates with the rod body 1 through the outer hexagonal plug 7. At the same time, there are three driven gears 6 and three driving gears 15. The diameters of the three driving gears 15 increase from left to right, and the diameters of the three driven gears 6 decrease from left to right, and the spacing between the three driven gears 6 is greater than the spacing between the three driving gears 15. Figure 2 shown.

[0023] Specifically, when adjusting the speed, the position of the shaft 5 is adjusted by the hydraulic cylinder 12, so that the driven gear 6 with the smallest diameter located on the right side of the shaft 5 and the driving gear 15 with the largest diameter located on the right side of the transmission rod 14 are meshed, while the other two driven gears 6 are in a non-meshing state, at this time, the maximum rotation rate; the position of the shaft 5 is adjusted by the hydraulic cylinder 12, so that the driven gear 6 at the middle position of the shaft 5 and the driving gear 15 at the middle position of the transmission rod 14 are meshed, while the other two driven gears 6 are in a non-meshing state, at this time, the moderate rotation rate; the position of the shaft 5 is adjusted by the hydraulic cylinder 12, so that the driven gear 6 with the largest diameter located on the left side of the shaft 5 and the driving gear 15 with the smallest diameter located on the left side of the transmission rod 14 are meshed, while the other two driven gears 6 are in a non-meshing state, at this time, the slow rotation rate; thereby facilitating the adjustment of the rotation speed of the rod body 1, and the elastic member installed in the inner hexagonal hole 4 facilitates the resetting of the outer hexagonal plug 7 by the elastic member when it contracts in the inner hexagonal hole 4.

[0024] Specifically, the elastic member includes a spring 9, and end plates 10 are fixed at both ends of the spring 9. In this embodiment, the elastic member composed of the spring 9 and the end plates 10, and the end plates 10 fixed at both ends of the spring 9, facilitate the end plates 10 at both ends of the spring 9 to increase the contact area with the inner hexagonal hole 4 and the outer hexagonal plug rod 7.

[0025] Specifically, the surface of the outer hexagonal plug 7 is provided with a guide groove 8. In this embodiment, the guide groove 8 provided on the surface of the outer hexagonal plug 7 facilitates the outer hexagonal plug 7 to move inside the inner hexagonal hole 4 at any time, and the lubricating fluid inside the inner hexagonal hole 4 is guided through the guide groove 8.

[0026] Specifically, a groove 3 is provided on the surface of the rod body 1. In this embodiment, the groove 3 provided on the surface of the rod body 1 facilitates increasing the surface area of ​​the rod body 1.

[0027] Specifically, a first bearing 11 is installed at the end of the rod body 1 close to the shaft 5. In this embodiment, the rod body 1 is supported by the first bearing 11 when it rotates.

[0028] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A variable speed regulating screw for milk powder filling, comprising a rod body (1), wherein a spiral sheet (2) is welded to the outer surface of the rod body (1), and characterized in that: A speed change mechanism is provided at the end of the rod body (1); The speed change mechanism comprises a shaft (5) provided at the end of a rod body (1), a driven gear (6) being fixed to the outer surface of the shaft (5), an outer hexagonal plug (7) being integrally formed at the end of the shaft (5), an inner hexagonal hole (4) being provided at the end of the rod body (1), and the outer hexagonal plug (7) being movably mounted in the inner hexagonal hole (4), an elastic member being mounted in the inner hexagonal hole (4), and a hydraulic oil cylinder (12) being rotatably mounted at the end of the shaft (5) via a second bearing (13). ), a transmission rod (14) is provided on the side of the shaft (5), a driving gear (15) is fixed to the transmission rod (14), and the driving gear (15) is meshed with the driven gear (6), and there are three driving gears (15) and three driven gears (6), and the diameters of the three driving gears (15) increase from left to right, and the diameters of the three driven gears (6) decrease from left to right, and the spacing between the three driven gears (6) is greater than the spacing between the three driving gears (15).

2. The variable speed adjusting screw for milk powder filling according to claim 1, characterized in that: The elastic member comprises a spring (9), and end plates (10) are fixed to both ends of the spring (9).

3. The variable speed adjusting screw for milk powder filling according to claim 1, characterized in that: A guide groove (8) is provided on the surface of the outer hexagonal plug rod (7).

4. The variable speed adjusting screw for milk powder filling according to claim 1, characterized in that: A groove (3) is provided on the surface of the rod body (1).

5. The variable speed adjusting screw for milk powder filling according to claim 1, characterized in that: A first bearing (11) is installed at the end of the rod body (1) close to the shaft rod (5).

Images