A powder spreading device

Abstract

The present application relates to the technical field of baked food production, and provides a powder sprinkling device, which includes a frame, a powder box connected to the frame by a rotating shaft, and a driving assembly driving the powder box to swing back and forth around the rotating shaft, wherein the upper end surface of the powder box is provided with a powder inlet, and the lower end surface of the powder box is provided with a powder outlet, wherein the powder outlet includes a first powder outlet and a second powder outlet, and the first powder outlet and the second powder outlet are arranged in a V shape along the axis direction of the rotating shaft, and the powder box is provided with a screen at the first powder outlet and the second powder outlet. The present application has the beneficial effect of improving the uniformity of powder sprinkling.

Description

Technical Field

[0001] The present application relates to the technical field of baked food production, and in particular to a powder sprinkling device. Background Art

[0002] In the production process of baked goods, the shaped products need to be decorated with edible decorative materials on the surface, or the dough needs to be folded and spread continuously during the process of making shortbread. In order to reduce the stickiness of semi-finished dough, powder sprinkling operations are performed.

[0003] In the prior art, some adopt manual powder spreading operation. Since the amount of powder spread in manual powder spreading operation is difficult to control, it is easy to cause large-scale material waste and the powder spreading uniformity is insufficient. Some choose to use powder spreading equipment. The existing powder spreading equipment can be specifically a vibrating screen, which spreads powder by vibration and the powder output is easy to control.

[0004] However, during use, if the amplitudes on both sides of the screen are different, or the feeder fails to transport materials evenly and continuously, it will cause uneven feeding of the vibrating screen, that is, uneven material spreading, so further improvement is needed. Utility Model Content

[0005] In order to improve the uniformity of powder spreading, the present application provides a powder spreading device.

[0006] The present application provides a powder spreading device, which adopts the following technical solution:

[0007] A powder sprinkling device comprises a frame, a powder box connected to the frame by a rotating shaft, and a driving component that drives the powder box to swing back and forth around the rotating shaft, the upper end surface of the powder box is provided with a powder inlet, the lower end surface of the powder box is provided with a powder outlet, the powder outlet comprises a first powder outlet and a second powder outlet, the first powder outlet and the second powder outlet are arranged in a V shape along the axial direction of the rotating shaft, and the powder box is provided with screens at the first powder outlet and the second powder outlet.

[0008] By adopting the above technical solution, since the first powder outlet and the second powder outlet are arranged in a V shape along the axis direction of the rotating shaft, when the driving component is started to drive the powder box to swing back and forth with the rotating shaft as the center, the distribution mode of the first powder outlet and the second powder outlet conforms to the swing trend of the powder box. When the first powder outlet and the rotating shaft are driven in the same vertical direction, the material in the powder box is affected by inertia and moves toward the direction of the first powder outlet, so that the powder is discharged from the screen at the first powder outlet and scattered on the product. Similarly, when the second powder outlet and the rotating shaft are driven in the same vertical direction, the powder is discharged from the screen at the second powder outlet. Among them, since the material in the powder box is gradually dropped due to inertia and evenly dropped on the product, the uniformity of the powder spreading of the material is improved, and since the powder box is always in reciprocating motion, the scattered material is distributed in a fan-shaped manner to increase the distribution range and reduce the possibility of local unscattered material.

[0009] Preferably, the driving assembly includes an eccentric wheel rotatably connected to the frame, a swing arm eccentrically rotatably connected to the eccentric wheel, and a driving motor that drives the eccentric wheel to rotate, the axis of the eccentric wheel is parallel to the axis of the rotating shaft, and one end of the swing arm away from the eccentric wheel is hinged to the lower end of the powder box.

[0010] By adopting the above technical solution, the drive motor is started to drive the eccentric wheel to rotate. Due to the limited length of the swing arm, when the swing arm rotates to the farthest position of the eccentric wheel relative to the powder box, the lower end of the powder box is driven to rotate around the rotating shaft in the direction close to the eccentric wheel. When the swing arm rotates to the closest position of the eccentric wheel relative to the powder box, the lower end of the powder box is driven to rotate around the rotating shaft in the direction away from the eccentric wheel, so as to realize reciprocating swing of the powder box around the rotating shaft.

[0011] Preferably, a movement space for the swing arm to move back and forth is reserved between the eccentric wheel and the powder box, and two ends of the swing arm are respectively arranged on surfaces of the eccentric wheel and the powder box that are arranged opposite to each other.

[0012] By adopting the above technical solution, since there is a movement space between the eccentric wheel and the powder box for the swing arm to move back and forth, the possibility of collision between the eccentric wheel and the powder box when the powder box seat moves back and forth with the swing arm seat can be reduced.

[0013] Preferably, the powder box is provided with a hopper at the powder inlet.

[0014] By adopting the above technical solution, a hopper is arranged at the powder inlet of the powder box to pour in materials.

[0015] Preferably, a connecting piece is provided on the powder box, and the screen is detachably connected to the powder box via the connecting piece.

[0016] By adopting the above technical solution and providing a connecting piece, screens of different specifications can be replaced according to needs to adapt to the powdering action of different materials, thereby improving the adaptability and use frequency of the powdering equipment.

[0017] Preferably, the screen is fixedly connected to a mounting plate, the connecting member comprises a connecting bolt passing through the mounting plate, the powder box is provided with a mounting ring around the powder outlet, and the connecting bolt is threadedly connected to the mounting ring.

[0018] By adopting the above technical solution, the screen is installed on the powder box by connecting bolts passing through the mounting plate and the mounting ring for threaded connection. The installation is more stable and the possibility of falling off during the shaking of the powder box is reduced.

[0019] Preferably, the screen has a plurality of screen holes, and the plurality of screen holes gradually increase in size from the side wall of the powder box toward the middle of the powder box.

[0020] By adopting the above technical solution, since the material in the powder box gradually falls under force and falls evenly on the product, but the effect of inertia is gradually reduced, several sieve holes are gradually enlarged from the side wall of the powder box toward the middle of the powder box to improve the uniformity of powder spreading.

[0021] Preferably, the frame is provided with a placement plate below the powder box.

[0022] By adopting the above technical solution, a placement plate is provided to receive some materials that fall outside the product due to external forces, and it is also convenient to place some tools on the placement plate in case of emergency.

[0023] In summary, the utility model has the following beneficial effects:

[0024] Since the first powder outlet and the second powder outlet are arranged in a V shape along the axis direction of the rotating shaft, when the driving assembly is started to drive the powder box to swing back and forth with the rotating shaft as the center, the distribution of the first powder outlet and the second powder outlet conforms to the swinging trend of the powder box, so that the material in the powder box is affected by inertia to be discharged from the screen at the first powder outlet or the second powder outlet, so as to fall evenly on the product, thereby improving the uniformity of the powder spreading of the material. And because the powder box is always doing reciprocating motion, the scattered material is distributed in a fan shape to increase the distribution range and reduce the possibility of local unscattered material. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of Example 1 of the present application;

[0026] Figure 2 is a schematic diagram of the structure of the screen in Example 1 of the present application;

[0027] Figure 3 is a schematic diagram of the structure of the driving component in Example 1 of the present application;

[0028] Figure 4 is a side view structural schematic diagram of Example 1 of the present application;

[0029] Figure 5 It is a structural diagram of Example 2 of the present application.

[0030] Explanation of the accompanying drawings: 1. Conveyor belt; 2. Frame; 21. Support leg; 22. Support rod; 23. Cross bar; 231. Fixed plate; 24. Closing plate; 25. Reinforcing rod; 3. Rotating shaft; 4. Powder box; 41. Powder inlet; 42. Hopper; 43. Powder outlet; 431. First powder outlet; 432. Second powder outlet; 44. Mounting ring; 5. Drive assembly; 51. Drive motor; 52. Gear box; 53. Eccentric wheel; 54. Swing arm; 6. Cavity; 7. Screen; 71. Screen hole; 72. Mounting plate; 8. Connector; 81. Connecting bolt; 82. Connecting nut; 9. Movement space. DETAILED DESCRIPTION

[0031] The following is combined with Figure 1-5 , further details of this application are given.

[0032] The embodiment of the present application discloses a powder spreading device.

[0033] Embodiment 1:

[0034] A powder spreading device for spreading powder on products on a conveyor belt 1, referring to Figure 1 , including a frame 2 mounted on a conveyor belt 1, a powder box 4 rotatably connected to the frame 2 via a rotating shaft 3, and a driving component 5 that drives the powder box 4 to swing back and forth around the rotating shaft 3.

[0035] The frame 2 specifically includes support legs 21, support rods 22, cross bars 23, sealing plates 24 and reinforcing rods 25. In the present embodiment, four support legs 21 are provided and are evenly distributed on both sides of the conveyor belt 1. The length direction of the support rods 22 is perpendicular to the height direction of the support legs 21. There are specifically two support rods 22, one support rod 22 is provided between every two support legs 21, and both ends of the support rods 22 are respectively fixedly connected to the side walls of the two support legs 21 that are close to each other to form an N-shaped bracket, and the upper end surface of the support leg 21 smoothly transitions toward the direction of its own side wall.

[0036] The length direction of the cross bar 23 is perpendicular to the length direction of the support rod 22. The cross bar 23 is arranged between the two brackets. The two ends of the cross bar 23 are respectively fixedly connected to the side walls of the two support rods 22 that are close to each other. Two cross bars 23 are provided and are spaced apart along the length direction of the support rods 22. The length direction of the sealing plate 24 is parallel to the height direction of the support legs 21, and the width direction of the sealing plate 24 is parallel to the length direction of the cross bar 23. The sealing plate 24 is fixedly connected to the outer side walls of the two support legs 21. The upper end of the sealing plate 24 is bent and abuts against the upper surface of the support rod 22, and is fixedly connected to the two support rods 22 and one of the cross bars 23.

[0037] The length direction of the reinforcing rod 25 is parallel to the length direction of the cross bar 23. The reinforcing rod 25 is arranged between the two supporting legs 21 and at the lower end of the supporting legs 21, that is, below the conveyor belt 1. The two ends of the reinforcing rod 25 are respectively fixedly connected to the side walls of the two supporting legs 21 close to each other. Two reinforcing rods 25 are provided and are spaced apart along the length direction of the supporting rod 22. A placement plate is placed on the reinforcing rod 25 for placing other items.

[0038] Among them, the length direction of the rotating shaft 3 is parallel to the length direction of the support rod 22, and is arranged above the two cross bars 23. The two ends of the rotating shaft 3 are respectively fixedly connected to the two cross bars 23. The powder box 4 is placed in the cavity 6 left between the two cross bars 23, and the rotating shaft 3 is passed through the upper end of the powder box 4.

[0039] Reference Figure 1 , Figure 2 A powder inlet 41 is provided on the upper end surface of the powder box 4, and a hopper 42 is fixedly connected to the powder inlet 41 of the powder box 4 so as to feed materials into the powder box 4. A powder outlet 43 is provided on the lower end surface of the powder box 4, wherein the powder outlet 43 specifically includes a first powder outlet 431 and a second powder outlet 432, and the first powder outlet 431 and the second powder outlet 432 are arranged in a V shape along the axial direction of the rotating shaft 3. The powder box 4 is provided with a screen 7 at the first powder outlet 431 and the second powder outlet 432. In this embodiment, the screen 7 has a plurality of screen holes 71.

[0040] A connecting piece 8 is provided on the powder box 4, and the screen 7 is detachably connected to the powder box 4 through the connecting piece 8. A mounting plate 72 is provided around the outer peripheral wall of the screen 7, and the mounting plate 72 and the screen 7 are integrally formed. The connecting piece 8 specifically includes a connecting bolt 81 passed through the mounting plate 72 and a connecting nut 82 threadedly connected to the connecting bolt 81. The powder box 4 is provided with a mounting ring 44 at the powder outlet 43, and the mounting plate 72 abuts against the lower surface of the mounting ring 44. The connecting bolt 81 is passed through the mounting ring 44, and the connecting nut 82 abuts against the upper surface of the mounting ring 44.

[0041] Reference Figure 1 , Figure 3In this embodiment, the driving assembly 5 includes a driving motor 51, a gear box 52, an eccentric wheel 53 and a swing arm 54, wherein the driving motor 51 and the gear box 52 are both fixedly connected to the inner surface of the sealing plate 24, the axial direction of the output shaft of the driving motor 51 is parallel to the length direction of the cross bar 23, the output shaft of the driving motor 51 is fixedly connected to the gear box 52, and the axial direction of the output shaft of the gear box 52 is perpendicular to the axis of the output shaft of the driving motor 51. A fixing plate 231 is fixedly connected to the lower surface of the cross bar 23 close to the inner surface of the sealing plate 24, and the output shaft of the gear box 52 is rotatably arranged on the fixing plate 231 and coaxially fixed with the eccentric wheel 53. In this embodiment, the axis of the eccentric wheel 53 is parallel to the axis of the rotating shaft 3, so as to drive the eccentric wheel 53 to rotate around the output shaft of the gear box 52.

[0042] Reference Figure 1 , Figure 4 , wherein one end of the swing arm 54 is eccentrically connected to the eccentric wheel 53, and is specifically arranged on the surface of the eccentric wheel 53 away from the fixed plate 231. One end of the swing arm 54 away from the eccentric wheel 53 is hinged to the lower end of the powder box 4. A movement space 9 is reserved between the eccentric wheel 53 and the powder box 4 for the swing arm 54 to move back and forth. Therefore, the two ends of the swing arm 54 are respectively arranged on the surfaces of the eccentric wheel 53 and the powder box 4 that are opposite to each other.

[0043] The implementation principle of a powder sprinkling device in an embodiment of the present application is: start the driving motor 51 to drive the eccentric wheel 53 to rotate. Since the length of the swing arm 54 is limited, when the swing arm 54 rotates to the farthest position of the eccentric wheel 53 relative to the powder box 4, it drives the lower end of the powder box 4 to rotate around the rotating shaft 3 in the direction close to the eccentric wheel 53. When the swing arm 54 rotates to the closest position of the eccentric wheel 53 relative to the powder box 4, it drives the lower end of the powder box 4 to rotate around the rotating shaft 3 in the direction away from the eccentric wheel 53, so as to realize the reciprocating swing of the powder box 4 around the rotating shaft 3 as the center. When the first powder outlet 431 and the rotating shaft 3 are driven in the same vertical direction, the material in the powder box 4 moves toward the first powder outlet 431 due to inertia, so that powder is discharged from the sieve 7 at the first powder outlet 431 and scattered on the product. Similarly, when the second powder outlet 432 and the rotating shaft 3 are driven in the same vertical direction, powder is discharged from the sieve 7 at the second powder outlet 432, thereby improving the uniformity of powder spreading of the material.

[0044] Embodiment 2:

[0045] Reference Figure 5 The difference from Example 1 is that since the material in the powder box 4 is gradually dropped under force so as to evenly fall on the product, but the effect of inertia is gradually reduced, in this embodiment, the plurality of sieve holes 71 on the screen 7 are gradually enlarged from the side wall of the powder box 4 toward the middle of the powder box 4 to improve the uniformity of powder spreading.

[0046] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A powder spreading device, characterized in that: The invention comprises a frame (2), a powder box (4) rotatably connected to the frame (2) via a rotating shaft (3), and a driving assembly (5) driving the powder box (4) to reciprocate around the rotating shaft (3), wherein the upper end surface of the powder box (4) is provided with a powder inlet (41), the lower end surface of the powder box (4) is provided with a powder outlet (43), the powder outlet (43) comprises a first powder outlet (431) and a second powder outlet (432), the first powder outlet (431) and the second powder outlet (432) being arranged in a V-shape along the axis direction of the rotating shaft (3), and the powder box (4) is provided with screens (7) at both the first powder outlet (431) and the second powder outlet (432).

2. A powder spreading device according to claim 1, characterized in that: The driving assembly (5) comprises an eccentric wheel (53) rotatably connected to the frame (2), a swing arm (54) eccentrically rotatably connected to the eccentric wheel (53), and a driving motor (51) for driving the eccentric wheel (53) to rotate, wherein the axis of the eccentric wheel (53) is parallel to the axis of the rotating shaft (3), and one end of the swing arm (54) away from the eccentric wheel (53) is hinged to the lower end of the powder box (4).

3. A powder spreading device according to claim 2, characterized in that: A movement space (9) for the swing arm (54) to move back and forth is reserved between the eccentric wheel (53) and the powder box (4), and two ends of the swing arm (54) are respectively arranged on surfaces of the eccentric wheel (53) and the powder box (4) that are arranged opposite to each other.

4. A powder spreading device according to claim 1, characterized in that: The powder box (4) is provided with a hopper (42) located at the powder inlet (41).

5. A powder spreading device according to claim 1, characterized in that: The powder box (4) is provided with a connecting piece (8), and the screen (7) is detachably connected to the powder box (4) via the connecting piece (8).

6. A powder spreading device according to claim 5, characterized in that: The screen (7) is fixedly connected to a mounting plate (72), the connecting member (8) comprises a connecting bolt (81) passing through the mounting plate (72), the powder box (4) is provided with a mounting ring (44) around the powder outlet (43), and the connecting bolt (81) is threadedly connected to the mounting ring (44).

7. A powder spreading device according to claim 1, characterized in that: The sieve (7) has a plurality of sieve holes (71), and the plurality of sieve holes (71) gradually increase in size from the side wall of the powder box (4) toward the middle of the powder box (4).

8. A powder spreading device according to claim 1, characterized in that: The frame (2) is provided with a placement plate below the powder box (4).

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