Bottle washing machine rotary spray device

Abstract

The utility model relates to the technical field of glass bottle washing, and specifically to a rotary spray device of a bottle washing machine, comprising: a water supply pipeline, the upper end surface of which is provided with a plurality of water spray holes; a sealing element connected to the water spray holes, the sealing element is provided with a channel for the passage of cleaning liquid, the first end of the channel is connected to the water supply pipeline, and the second end is an open end; a spray shaft, a plurality of spray areas and a plurality of fixed areas are provided along its axial direction. The present application arranges the limiting component for limiting the spray shaft separately from the sealing element connected to the spray shaft, the limiting component only plays a limiting role, and the sealing element only plays a role of sealing connection to provide a water supply channel, while ensuring that the spray shaft can rotate with low damping, the service life of the sealing element is increased, the service life of the seal is extended, and the leakage is small, and the use cost can be reduced and the water consumption can be saved in a longer service life.

Description

Technical Field

[0001] The utility model relates to the technical field of glass bottle cleaning, in particular to a rotary spraying device for a bottle washing machine. Background Art

[0002] The bottle washing machine cleans the inside of glass bottles by injecting cleaning liquid into the bottle mouth. It usually includes multiple rotary spray devices, each of which includes a spray shaft. A through hole is opened on the surface of the spray shaft at a preset angle. The spray shaft is connected to the water supply pipe by a sealing structure. The sealing structure is responsible for the sealing between the spray shaft and the nozzle of the water supply pipe. The spray shaft rotates continuously, and whenever the through hole rotates to correspond to the nozzle of the water supply pipe, the cleaning liquid in the water supply pipe is sprayed out from the through hole.

[0003] It should be understood that the sealing structure determines whether the sprayed cleaning liquid is effectively used for cleaning glass bottles. Figure 1 As shown, the current spray shaft is pressed on the upper end of the sealing element through the upper support and the lower support. When the mutual pre-tightening force of the upper support and the lower support is large, the contact pressure between the spray shaft and the sealing element is large, which makes the rotation of the spray shaft difficult and causes great wear on the sealing element. Generally, leakage will occur after two months of use. When the mutual pre-tightening force of the upper support and the lower support is small, the contact pressure between the spray shaft and the sealing element is small, and leakage occurs between the spray shaft and the sealing element. This leakage makes it impossible for the spray liquid to be fully used in the rinsing of the glass bottles, thereby becoming inefficient, which is something people do not want to see. Utility Model Content

[0004] In view of the technical problems existing in the spray device of the bottle washing machine in the prior art, the utility model proposes a rotary spray device for the bottle washing machine, comprising:

[0005] A water supply pipe, wherein the upper end surface of the water supply pipe is provided with a plurality of water spray holes;

[0006] A sealing element connected to the water spray hole, the sealing element being provided with a channel for the cleaning liquid to pass through, the first end of the channel being connected to the water supply pipe, and the second end being an open end;

[0007] A spray shaft is provided with a plurality of spray areas and a plurality of fixed areas along its axial direction, a group of through holes is provided in the spray area, and the through holes are arranged corresponding to the positions of the water spray holes;

[0008] A limiting component connected to a fixed area of ​​the spray shaft to keep a fixed distance between the spray shaft and the water supply pipe;

[0009] The sealing element comprises a first seal and a second seal, wherein the first end of the first seal is connected to the water spray hole, the first end of the second seal abuts against the second end of the first seal, and the second end of the second seal abuts against the outer wall of the spray shaft.

[0010] Preferably, the first sealing member is an elastic sealing member, and a pre-pressure is applied to the second sealing member in the direction of the spray axis.

[0011] Preferably, the first sealing member is constructed as a columnar structure, the upper end of the first sealing member is provided with a conical slope, and the first sealing member is provided with first water outlet holes distributed along the axis.

[0012] Preferably, the second seal is constructed in a columnar shape, the bottom surface of the second seal is an annular surface, the annular surface abuts against the conical slope, the upper end surface of the second seal is provided with an arc surface that fits with the outer wall of the spray shaft, the second seal is provided with a second water outlet, the first water outlet and the second water outlet are connected to form the channel.

[0013] Preferably, the second sealing member is made of wear-resistant engineering plastic.

[0014] Preferably, a limiting cover is provided on the outer wall of the second seal, which covers the outer wall of the second seal from the top downward, and the bottom of the limiting cover is connected to the first seal, so that the second seal and the first seal are relatively fixed in the radial direction.

[0015] Preferably, each group of through holes includes a first through hole and a second through hole, the first through hole and the second through hole are not connected, and axes thereof are perpendicular to each other.

[0016] Preferably, the number of the spraying areas is twice the number of the fixed areas.

[0017] Compared with the prior art, the advantages of the utility model are:

[0018] The present application arranges the limiting component for limiting the spray shaft separately from the sealing element connected to the spray shaft. The limiting component only plays a limiting role, and the sealing element only plays a role of sealing connection and providing a water supply channel. While ensuring that the spray shaft can rotate with low damping, the service life of the sealing element is increased, the service life of the seal is extended, and the leakage is reduced. During a longer service life, the use cost can be reduced and water can be saved. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are not intended to be drawn to scale. In the accompanying drawings, each identical or nearly identical component shown in various figures may be represented by the same reference numeral. For the sake of clarity, not every component is labeled in each figure. Now, embodiments of various aspects of the utility model will be described by way of example and with reference to the accompanying drawings, in which:

[0020] Figure 1 It is a structural schematic diagram of a rotary spray device in the prior art;

[0021] Figure 2 It is a structural schematic diagram of the rotary spraying device of the bottle washing machine shown in the utility model;

[0022] Figure 3 It is a schematic diagram of the relative positions of the sealing element and the spray shaft shown in the utility model;

[0023] Figure 4 It is a structural schematic diagram of the limiting component shown in the utility model. DETAILED DESCRIPTION

[0024] In order to better understand the technical content of the present invention, specific embodiments are described below in conjunction with the accompanying drawings.

[0025] like Figure 2 As shown, the utility model proposes a rotary spraying device for a bottle washing machine, which mainly includes a water supply pipe 10, a sealing element 20, a spray shaft 30 and a limiting component 40. The upper end surface of the water supply pipe 10 is provided with a plurality of water spray holes 11, the sealing element 20 is connected to the water spray holes 11, the spray shaft 30 is limited by the limiting component 40 to the upper side of the water supply pipe 10, and can realize self-rotation along its axis, and the spray shaft 30 is provided with a through hole for spraying.

[0026] It should be understood that the water supply pipe 10 is usually set at a fixed position, and water is supplied to the inside of the water supply pipe 10 through a hose at the bottom. The spray shaft 30 is driven to rotate by the driving device 50. Whenever the through hole on the spray shaft 30 is aligned with the water spray hole 11 of the water supply pipe 10, the cleaning liquid in the water supply pipe 10 can be sprayed out from the water spray hole 11-through hole to clean the glass bottle above the device, and the cleaning is divided into multiple steps, and the cleaning liquid used in each step may be different.

[0027] Furthermore, the sealing element 20 is between the spray shaft 30 and the water supply pipe 10, serving as a water channel between the spray shaft 30 and the water spray hole 11. The sealing element 20 is connected to the water spray hole 11. The sealing element 20 is provided with a channel for the cleaning liquid to pass through. The first end of the channel is connected to the water supply pipe 10, and the second end is an open end.

[0028] like Figure 3As shown, only when the through hole of the spray shaft 30 is aligned with the channel in the sealing element 20, the cleaning liquid in the water supply pipe 10 can be sprayed out from the through hole of the spray shaft 30, and the spray angle is about 0°-±20° vertically upward. When the spray shaft 30 is driven by the driving device 50 and rotates continuously, there are spraying cycles and interval cycles in one rotation cycle. Therefore, when the empty bottles are transferred between multiple processes, by reasonably controlling the moving speed of the empty bottles and the rotation speed of the spray shaft 30, it can be ensured that the through hole on the spray shaft 30 sprays the cleaning liquid out only when the empty bottles are in the spray range of the spray shaft 30.

[0029] Preferably, each group of through holes includes a first through hole and a second through hole, the first through hole and the second through hole are not connected, and their axes are perpendicular to each other.

[0030] It can be understood that when one end of the first through hole is connected to the channel of the sealing element 20, water flows out from the other end thereof, and the second through hole is in a roughly horizontal state at this time, and there is no water inside. In this way, compared with the cross-shaped through hole in the prior art, by setting two unconnected through holes, the probability of leakage of the cleaning fluid is low and the sealing is good.

[0031] Furthermore, in the present application, the sealing element 20 and the limiting component 40 are arranged at different positions in the axial direction of the spray shaft 30, and the spray shaft 30 is provided with multiple spray areas and multiple fixed areas along its axial direction. A group of through holes is provided in the spray area, and the through holes are arranged corresponding to the positions of the water spray holes 11; the limiting component 40 is connected to the fixed area of ​​the spray shaft 30, so that the spray shaft 30 maintains a fixed distance from the water supply pipe 10.

[0032] In this way, the spray shaft 30 is limited by the limiting component 40, and the limiting component 40 will not directly cause a large pressure on the sealing element 20. At the same time, the rotation resistance of the spray shaft 30 is small, the sealing element 20 is not easy to wear, the replacement cycle is long, and the purpose of less leakage and water saving can be achieved.

[0033] In an alternative embodiment, the number of spray zones is twice the number of fixed zones.

[0034] In this way, the number of limiting components 40 can be reduced to achieve low-damping rotation.

[0035] Optionally, the limiting component 40 is as follows Figure 3 As shown, it is a saddle-shaped shaft clamp structure, with a hole in the middle position to accommodate the spray shaft 30, screw holes on both sides, and corresponding screw holes are also provided at the upper end of the water supply pipe 10, so that the screws can connect the limiting component 40 and the water supply pipe 10 and keep the two fixed.

[0036] Furthermore, the sealing element 20 includes a first seal 21 and a second seal 22 , wherein the first end of the first seal 21 is connected to the water spray hole 11 , the first end of the second seal 22 abuts against the second end of the first seal 21 , and the second end of the second seal 22 abuts against the outer wall of the spray shaft 30 .

[0037] Preferably, the first sealing member 21 is an elastic sealing member, for example, made of rubber material, and has a pre-pressure on the second sealing member 22 in the direction of the spray axis 30 .

[0038] In this way, the second seal 22 and the first seal 21 are in close contact with each other, and the second seal 22 and the spray shaft 30 are in close contact with each other, which can avoid leakage and form a reliable water spray channel when the channel in the sealing element 20 is connected with the through hole on the spray shaft 30.

[0039] Optionally, the second sealing member 22 is made of wear-resistant engineering plastic.

[0040] In a specific embodiment, Figure 2 As shown, the first seal 21 is constructed as a columnar structure, the upper end of the first seal 21 is provided with a conical slope, and the first seal 21 is provided with a first water outlet distributed along the axis. The second seal 22 is constructed as a columnar structure, the bottom surface of the second seal 22 is an annular surface, the annular surface abuts against the conical slope, the upper end surface of the second seal 22 is provided with an arc surface that fits the outer wall of the spray shaft 30, and the second seal 22 is provided with a second water outlet, and the first water outlet and the second water outlet are connected to form a channel.

[0041] In this way, the bottom of the second seal 22 is pressed on the top of the conical slope. Since the conical slope is easy to deform, the first seal 21 has an upward reverse thrust on the second seal 22, so that the arc surface at the upper end of the second seal 22 maintains close contact with the spray shaft 30 and does not leak.

[0042] Furthermore, a limiting cover 23 is provided on the outer wall of the second sealing member 22, and the limiting cover 23 covers the outer wall of the second sealing member 22 from the top downward, and the bottom of the limiting cover 23 is connected to the first sealing member 21, so that the second sealing member 22 and the first sealing member 21 are relatively fixed in the radial direction.

[0043] In this way, the first sealing member 21 and the second sealing member 22 can be wrapped by the limiting cover 23 and radially limited, so that the positions of the first sealing member 21 and the second sealing member 22 are reliable and difficult to separate.

[0044] In combination with the above embodiments, the present application arranges the limiting component for limiting the spray shaft separately from the sealing element connected to the spray shaft. The limiting component only plays a limiting role, and the sealing element only plays the role of sealing connection and providing a water supply channel. While ensuring that the spray shaft can rotate with low damping, the service life of the sealing element is increased, the service life of the seal is extended, and the leakage is reduced. Over a longer service life, the use cost can be reduced and water can be saved.

[0045] Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. A person with ordinary knowledge in the technical field to which the present invention belongs may make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention shall be determined by the definition of the claims.

Claims

1. A rotary spraying device for a bottle washing machine, characterized in that: include: A water supply pipe (10), wherein the upper end surface of the water supply pipe (10) is provided with a plurality of water spray holes (11); A sealing element (20) connected to the water spray hole (11), the sealing element (20) being provided with a channel for the cleaning liquid to pass through, the first end of the channel being connected to the water supply pipe (10), and the second end being an open end; A spray shaft (30) is provided with a plurality of spray areas and a plurality of fixed areas along its axial direction, a group of through holes is provided in the spray area, and the through holes are arranged corresponding to the positions of the water spray holes (11); A limiting component (40) connected to a fixed area of ​​the spray shaft (30) so that the spray shaft (30) and the water supply pipe (10) maintain a fixed distance; The sealing element (20) comprises a first sealing member (21) and a second sealing member (22), wherein a first end of the first sealing member (21) is connected to the water spray hole (11), a first end of the second sealing member (22) abuts against a second end of the first sealing member (21), and a second end of the second sealing member (22) abuts against an outer wall of the spray shaft (30).

2. The rotary spraying device for bottle washing machine according to claim 1, characterized in that: The first sealing member (21) is an elastic sealing member, and exerts a pre-pressure on the second sealing member (22) in the direction of the spray axis (30).

3. The rotary spraying device for bottle washing machine according to claim 1, characterized in that: The first sealing member (21) is constructed as a columnar structure, the upper end of the first sealing member (21) is provided with a conical slope, and the first sealing member (21) is provided with first water outlet holes distributed along the axis.

4. The rotary spraying device for bottle washing machine according to claim 3, characterized in that: The second sealing member (22) is constructed in a columnar shape. The bottom surface of the second sealing member (22) is an annular surface which abuts against the conical slope surface. The upper end surface of the second sealing member (22) is provided with an arcuate surface which abuts against the outer wall of the spray shaft (30). The second sealing member (22) is provided with a second water outlet hole. The first water outlet hole and the second water outlet hole are connected to form the channel.

5. The rotary spraying device for bottle washing machine according to claim 1, characterized in that: The second sealing member (22) is made of wear-resistant engineering plastic.

6. The rotary spraying device for bottle washing machine according to any one of claims 1 to 5, characterized in that: The outer wall of the second sealing member (22) is provided with a limiting cover (23), which covers the outer wall of the second sealing member (22) from the top downward, and the bottom of the limiting cover (23) is connected to the first sealing member (21), so that the second sealing member (22) and the first sealing member (21) are relatively fixed in the radial direction.

7. The rotary spraying device for bottle washing machine according to claim 1, characterized in that: Each group of through holes includes a first through hole and a second through hole, wherein the first through hole and the second through hole are not connected, and axes of the first through hole and the second through hole are perpendicular to each other.

8. The rotary spraying device for bottle washing machine according to claim 1, characterized in that: The number of the spraying areas is twice that of the fixed areas.

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