Horizontal pressing device

Abstract

To provide a horizontal pushing device that can simply and easily push and transfer various solids.SOLUTION: A horizontal pushing device comprises a screw 1 arranged in a lower part of a hopper into which solids are charged, so as to be perpendicular to the hopper, and for pushing and transferring the solids into a rotary pump. The screw 1 comprises a shaft part 2, and a first blade part 30 and a second blade part 31 provided on an outer peripheral surface 2c of the shaft part 2. The first blade part 30 and the second blade part 31 are provided with a gap K1 without being connected. Protrusions (30b and 31b) are provided in the first blade part 30 and the second blade part 31.SELECTED DRAWING: Figure 1

Description

[Technical field]

[0001] The present invention relates to a horizontal pressing device. [Background technology]

[0002] As conventional pushing devices, a vertical pushing device (see, for example, Patent Document 1) and a horizontal pushing device shown in FIG. 4 are known. The horizontal pushing device 100 shown in FIG. 4 is equipped with a hopper 101 into which a solid material W (see FIG. 5) such as cheese or butter having an ultra-high viscosity is put, and a screw 102 extending in a horizontal direction (left-right direction in the figure) is provided at the bottom of the hopper 101. The base end (left side in the figure) of the screw 102 is attached to a gear box 103 shown in FIG. 4, and a motor 104 with a reducer is attached to the gear box 103. The tip end (right side in the figure) of the screw 102 is disposed on the rotary pump 105 side. As a result, when the motor 104 with a reducer is driven, the screw 102 rotates via the gear box 103, and the solid material W put into the hopper 101 is pushed into the rotary pump 105 by the rotating screw 102 and transferred. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2020-189657 A Summary of the Invention [Problem to be solved by the invention]

[0004] Incidentally, the screw 102 of the above-mentioned horizontal pressing device 100 is composed of a shaft portion 102a and a blade portion 102b attached in a spiral shape to the outer circumferential surface of the shaft portion 102a, as shown in Fig. 4. Although only one such screw 102 is shown in Fig. 4, a pair of such screws are arranged to be line-symmetrical.

[0005] Thus, the solid material W introduced into the hopper 101 is forced into the rotary pump 105 by the pair of screws 102 and transported.

[0006] However, as shown in Fig. 5(a), when a block-shaped solid material W is charged into the hopper 101, there is a high possibility that the solid material W will land on the pair of screws 102 as shown in Fig. 5(a). This causes a problem that the solid material W cannot be pushed into the rotary pump 105 and transported by the pair of screws 102, even if the solid material W rotates on the pair of screws 102.

[0007] Therefore, in order to alleviate such a situation, a method is known in which the angle of the solid material W fed into the hopper 101 is adjusted so that the solid material W is caught between a pair of screws 102, as shown in FIG. 5(b), or a load is applied from above using an auxiliary device (not shown).

[0008] However, such a method not only makes the work extremely complicated, but also limits the types of solid matter W that can be used with an auxiliary device (not shown), making it impossible to push the solid matter W into the rotary pump 105 for transport, and thus does not adequately solve the problem.

[0009] In view of the above problems, an object of the present invention is to provide a horizontal pushing device capable of simply and easily pushing and transporting various solid objects. [Means for solving the problem]

[0010] The above object of the present invention can be achieved by the following means. Note that the parentheses indicate reference symbols of the embodiments described below, but the present invention is not limited thereto.

[0011] According to the invention of claim 1, a hopper (101) into which a solid material (W) is introduced, a screw (1) disposed below the hopper (101) so as to be perpendicular to the hopper (101) and forcing the solid material (W) into a pump (rotary pump 105) for transporting the solid material (W); The screw (1) is A shaft portion (2), and a blade portion (3) provided on an outer circumferential surface (2c) of the shaft portion (2), The blade portion (3) includes a first blade portion (30) and a second blade portion (31), The first blade portion (30) and the second blade portion (31) are not connected to each other and are provided with a gap (K1) therebetween. The first blade portion (30) and / or the second blade portion (31) have First, the protrusions (30b, 31b) are provided at the tip portions (30a, 31a), and no protrusions are provided elsewhere. It is characterized by the following.

[0012] According to the invention of claim 2, in the horizontal pressing device of claim 1, The blade portion (3) further includes a third blade portion (32), The first blade portion (30) is provided at one end (right end portion 2b) of the shaft portion (2) on the pump (rotary pump 105) side, The third blade portion (32) is provided at the other end (left end portion 2a) of the shaft portion (2) opposite to the pump (rotary pump 105) side, the second blade portion (31) is provided between the first blade portion (30) and the third blade portion (32), and the second blade portion (31) and the third blade portion (32) are not connected to each other and are provided with a gap (K2) therebetween; The first blade portion (30) is characterized in that it is formed so as to have a longer axial length (L1) relative to the shaft portion (2) than the third blade portion (32).

[0013] According to the invention of claim 3, in the horizontal pressing device according to claim 1 or 2, the protrusions (30b, 31b) are , outside The projection is provided so as to protrude in the direction of the projection. Effect of the Invention

[0014] Next, the effects of the present invention will be described with reference to the drawings. Note that the reference symbols in the parentheses are those of the embodiments described below, but the present invention is not limited thereto.

[0015] According to the invention of claim 1, even if a solid object (W) is placed on the screw (1), the solid object (W) is dropped into the gap (K1), and the solid object (W) dropped into the gap (K1) is The first blade portion (30) and / or the second blade portion (31) are provided at their initial tip portions (30a, 31a). It can be crushed by the protrusions (30b, 31b).

[0016] Therefore, according to the present invention, even if a solid object (W) gets on the screw (1), the screw (1) can crush the solid object (W), so that the solid object (W) can be pushed into the rotary pump (105) and transferred. This allows various solid objects (W) to be simply and easily pushed and transferred.

[0017] According to the invention of claim 2, the first blade portion (30) is provided at one end (right end 2b) of the shaft portion (2) on the pump (rotary pump 105) side, and the third blade portion (32) is provided at the other end (left end 2a) of the shaft portion (2) opposite the pump (rotary pump 105) side. The first blade portion (30) is formed so that its axial length (L1) relative to the shaft portion (2) is longer than that of the third blade portion (32), so that no gap is generated at the one end (right end 2b) of the shaft portion (2) on the pump (rotary pump 105) side. This makes it possible to maintain the pushing force against the pump (rotary pump 105).

[0018] According to the invention of claim 3 , outside Since the protrusions (30b, 31b) are provided so as to protrude in the direction, the solid object (W) can be firmly bitten into. [Brief description of the drawings]

[0019] [Figure 1]FIG. 1 is a front perspective view showing a pair of screws according to an embodiment of the present invention, which are provided line-symmetrically. [Diagram 2] FIG. 11 is a simplified explanatory diagram showing a pair of screws according to the same embodiment arranged in a direction perpendicular to the hopper, where (a) shows a state in which solid material is placed on the pair of screws, and (b) shows a state in which the solid material has fallen toward the pair of screws as the pair of screws rotate. [Diagram 3] FIG. 2(a) is a simplified explanatory diagram showing a state in which the solid material falls further toward the pair of screws as a result of the pair of screws rotating from the state shown in FIG. 2(b), and FIG. 2(b) is a simplified explanatory diagram showing an enlarged view of the circled area in FIG. 2(a). [Figure 4] FIG. 1 is a front view showing a conventional horizontal pressing device. [Diagram 5] FIG. 2A is a simplified explanatory diagram showing a state in which a solid material is placed on a pair of conventional screws, and FIG. 2B is a simplified explanatory diagram showing a state in which a solid material is wound between a pair of conventional screws. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0020] An embodiment of the horizontal pressing device according to the present invention will be specifically described below with reference to the drawings. In the following description, the directions of up, down, left and right refer to the directions of up, down, left and right as viewed from the front of the figure. The same components as those in the conventional device will be given the same reference numerals and the description will be omitted.

[0021] The horizontal pressing device according to this embodiment differs from the conventional horizontal pressing device 100 only in the shape of the screw 102, and the rest is the same. Therefore, the screw of the horizontal pressing device according to this embodiment will be described in detail below.

[0022] <Screw description> As shown in Fig. 1, the screws 1 are provided in pair so as to be symmetrical with respect to the straight line S shown in Fig. 1, similar to the conventional horizontal pushing device 100. Although not specifically shown, the pair of screws 1 are also arranged below the hopper 101 so as to be perpendicular to the hopper 101 (horizontal direction) similar to the conventional horizontal pushing device 100.

[0023] Incidentally, such a screw 1 is composed of a shaft portion 2 and a blade portion 3, as shown in FIG. 1. The shaft portion 2 is formed in a cylindrical shape extending in the left-right direction in the figure. The shaft portion 2 rotates around an axis O as a base point. Specifically, a left end portion 2a of the shaft portion 2 shown in FIG. 1 is attached to a gear box 103 shown in FIG. 4. As a result, when a motor 104 with a reducer (see FIG. 4) is driven, the shaft portion 2 rotates around the axis O via the gear box 103 (see FIG. 4). The right end portion 2b of the shaft portion 2 shown in FIG. 1 is disposed on the rotary pump 105 (see FIG. 4) side.

[0024] As shown in Fig. 1, the blade portion 3 is attached and fixed in a spiral shape to the outer circumferential surface 2c of the shaft portion 2. Specifically, as shown in Fig. 1, the blade portion 3 is composed of a first blade portion 30, a second blade portion 31, and a third blade portion 32. Note that the first blade portion 30, the second blade portion 31, and the third blade portion 32 are each formed separately, and are attached and fixed to the outer circumferential surface 2c of the shaft portion 2 by welding or the like.

[0025] 1, the first blade portion 30 is attached and fixed by spirally winding around the outer circumferential surface 2c of the shaft portion 2 along the axis O from the right end portion 2b of the shaft portion 2 to approximately the center of the shaft portion 2. A claw-shaped projection 30b is provided on the first tip portion 30a of the first blade portion 30 so as to project outward (toward the left end portion 2a of the shaft portion 2).

[0026] 1, the second blade portion 31 is not connected to the first blade portion 30, but is attached and fixed by spirally winding around the outer circumferential surface 2c of the shaft portion 2 along the axis O toward the left end portion 2a of the shaft portion 2, with a gap K1 from the initial tip portion 30a of the first blade portion 30 to the right in the figure. Note that, in the figure, the number of turns of the first blade portion 30 is 1.5, and the number of turns of the second blade portion 31 is 2 / 3.

[0027] Furthermore, second blade portion 31 is provided at first tip portion 31a thereof with a claw-shaped projection 31b that projects outward (toward left end portion 2a of shaft portion 2).

[0028] 1, the third blade portion 32 is not connected to the second blade portion 31, but is attached and fixed by spirally winding around the outer circumferential surface 2c of the shaft portion 2 from the first tip portion 31a of the second blade portion 31 to the left end portion 2a of the shaft portion 2 along the axis O with a gap K2 in the right direction in the figure. Note that, in the figure, the number of turns of the first blade portion 30 is 1.5, and the number of turns of the third blade portion 32 is 2 / 3. Therefore, the axial length L1 of the first blade portion 30 is formed to be longer than the axial length L2 of the third blade portion 32.

[0029] Thus, as shown in FIG. 2, a pair of the screws 1 configured in this manner are disposed below the hopper 101 in a direction perpendicular to the hopper 101 (horizontal direction). In this case, as shown in FIG. 2(a), if a block-shaped solid material W is charged into the hopper 101 and gets on the pair of screws 1, as described above, in the conventional case, the solid material W rotates on the pair of screws 1, but the pair of screws 1 cannot push the solid material W into the rotary pump 105 and transfer it. However, in this embodiment, as described above, the gaps K1 and K2 are provided, and when the pair of screws 1 rotate inward (in the direction of the arrow Y1) as shown in FIG. 2(a), the solid material W falls from the position shown in FIG. 2(a) to the pair of screws 1 by a height H1 due to the gaps K1 and K2 as shown in FIG. 2(b).

[0030] Furthermore, when the pair of screws 1 rotate inward (arrow Y1 direction) from the state shown in FIG. 2(b), the gaps K1 and K2 cause the solid material W to fall from the position shown in FIG. 2(b) by a height H2 toward the pair of screws 1 as shown in FIG. 3(a). At this time, as described above, the first tip 30a of the first blade portion 30 is provided with a protrusion 30b, and the first tip 31a of the second blade portion 31 is provided with a protrusion 31b, so that the protrusions 30b and 31b bite into the solid material W as shown in FIG. 3(b). This causes the solid material W to be crushed, and the solid material W can be caught in the pair of screws 1. Therefore, the solid material W crushed by the pair of screws 1 and caught in the pair of screws 1 is forced into the rotary pump 105 and transferred.

[0031] Therefore, according to this embodiment, even if a solid object W gets on the screw 1, the solid object W can be crushed and rolled up by the screw 1, and then pushed into the rotary pump 105 for transport, so that various solid objects W can be simply and easily pushed into and transported.

[0032] <Description of Modifications> The shape of the screw 1 shown in this embodiment is merely an example, and various modifications and changes are possible within the scope of the gist of the present invention described in the claims. For example, in this embodiment, an example is shown in which the first blade portion 30 is provided with the protrusion 30b and the second blade portion 31 is provided with the protrusion 31b, but this is not limited to this, and a protrusion may be provided on only one of them. However, it is preferable to provide the protrusions 30b, 31b as in this embodiment in the parts where the gaps K1, K2 are provided. This is because the solid material W dropped on the screw 1 side can be crushed reliably.

[0033] In the present embodiment, an example in which two gaps K1 and K2 are provided is shown, but the present invention is not limited to this, and one gap or three or more gaps may be provided, and may be appropriately changed according to the application. Also, the number of second blade portions 31 may be increased according to the number of gaps.

[0034] In the present embodiment, the protrusion 30b is provided on the initial tip 30a of the first blade 30, and the protrusion 31b is provided on the initial tip 31a of the second blade 31, but the present invention is not limited to this, and protrusions may be provided on other parts. However, it is preferable to provide the protrusion 30b on the initial tip 30a of the first blade 30, and the protrusion 31b on the initial tip 31a of the second blade 31. If the protrusions 30b, 31b are provided on these parts, the protrusions 30b, 31b can be firmly bitten into the block-shaped solid material W. Therefore, it is preferable to provide the protrusion 30b on the initial tip 30a of the first blade 30, and the protrusion 31b on the initial tip 31a of the second blade 31.

[0035] In addition, in this embodiment, the third blade 32 located on the left end 2a side of the shaft 2 is not provided with a protrusion 30b like the first blade 30 or a protrusion 31b like the second blade 31, but may be provided with them. However, since the left end 2a of the shaft 2 is the part that is attached to the gear box 103 (see FIG. 4), even if a protrusion is provided, it will not come into contact with the solid object W, so it is meaningless to provide a protrusion, and therefore it is preferable not to provide one.

[0036] In this embodiment, the axial length L1 of the first blade portion 30 is longer than the length L2 in the direction of the third blade portion 32, but the axial length L1 of the first blade portion 30 may be shortened to be approximately the same as the axial length L2 of the third blade portion 32. However, it is preferable to form the axial length L1 of the first blade portion 30 to be longer than the length L2 in the direction of the third blade portion 32. That is, since the first blade portion 30 is attached to the right end portion 2b side of the shaft portion 2, the pushing force against the rotary pump 105 (see FIG. 4) is important. Therefore, if the axial length L1 of the first blade portion 30 is shortened and the gaps K1 and K2 as described above are provided on the right end portion 2b side of the shaft portion 2, the pushing force may be weakened. Therefore, in order to maintain the pushing force, it is preferable to form the axial length L1 of the first blade portion 30 to be longer than the length L2 in the direction of the third blade portion 32.

[0037] In addition, in this embodiment, the projections 30b and 31b are exemplified as having a claw-like shape, but the shape is not limited to this and may be any shape, such as a circle or a square.

[0038] Furthermore, in this embodiment, an example in which a pair of screws 1 are provided has been shown, but the present invention is not limited thereto, and a single screw or three or more screws may be provided. [Explanation of symbols]

[0039] 1 screw 2 Shaft section 2a Left end (other end) 2b Right end (other end) 2c Outer surface 3. Wing 30 First wing 30a First tip (end) 30b protrusion 31 Second wing 31a First tip (end) 31b Protrusion 32 Third wing 105 Rotary pump (pump) K1, K2 gap W Solids

Claims

1. a hopper into which solids are fed; A screw is disposed below the hopper so as to be perpendicular to the hopper, and the screw pushes the solid material into a pump to transport the solid material. The screw is A shaft portion, A blade portion provided on an outer circumferential surface of the shaft portion, The blade portion includes a first blade portion and a second blade portion, The first blade portion and the second blade portion are not connected to each other and are provided with a gap therebetween, A horizontal pressing device in which the first blade portion and / or the second blade portion have a protrusion at an initial tip portion and no protrusions are provided anywhere else.

2. The blade portion further includes a third blade portion, The first blade portion is provided at one end of the shaft portion on the pump side, The third blade portion is provided at the other end of the shaft portion opposite to the pump side, The second blade portion is provided between the first blade portion and the third blade portion, and the second blade portion and the third blade portion are not connected to each other and are provided with a gap therebetween, The horizontal pressing device according to claim 1 , wherein the first blade portion is formed so as to have a longer axial length relative to the shaft portion than the third blade portion.

3. 3. The horizontal pressing device according to claim 1, wherein the projection is provided so as to protrude outward.

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