Spray needle mechanism and bottle washing equipment
By designing the decreasing cross-sectional area structure of the inner flow channel of the needle holder, the problem of uneven pressure of the cleaning medium is solved, and the uniform cleaning of each spray is achieved, which improves the bottle washing efficiency and cleaning pass rate.
Patent Information
- Application Number
- CN202421230025.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-31
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-05-31
AI Technical Summary
In the existing needle injection mechanism, the pressure of the cleaning medium acting on each needle is uneven, resulting in some bottles not being cleaned to meet the standards, and repeated cleaning leads to waste of cleaning medium.
A needle injection mechanism is designed, and the needle cover has a flow channel inside the needle holder, and the cross-sectional area of the flow channel decreases from the inlet of the fluid medium toward the distance, ensuring that the pressure of the cleaning medium flowing to each needle is the same.
Through uniform cleaning medium pressure, ensure that the cleaning degree of each spray is the same for its corresponding bottle body, avoiding some bottle body failures and waste of cleaning media, and improving the bottle washing efficiency and cleaning pass rate.
Smart Images
Figure CN222659573U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of bottle cleaning, in particular to a needle spray mechanism and bottle washing equipment. Background Art
[0002] In the production process of food and medicine packaging, the inner wall of the bottle needs to be cleaned before filling food or liquid medicine. The cleaning equipment is equipped with multiple sets of spray needle mechanisms, which include a spray needle rack and a number of spray needles arranged on the spray needle rack. During cleaning, each spray needle needs to extend into its corresponding bottle to clean the bottle, and the cleaning medium can flow through the spray needle rack to the nozzle of each spray needle to complete the cleaning of the bottle.
[0003] In the prior art, the fluid medium inlet is single, the needle holder is made of bent pipes, and the inner diameter of each flow channel in the needle holder for the cleaning medium to flow is uniform. Since the distances from each needle to the fluid medium inlet are different, when the cleaning medium is introduced into the needle holder, the pressure of the cleaning medium acting on each needle decreases in sequence from the direction close to the fluid medium inlet to the direction away from the fluid medium inlet.
[0004] In order to make the pressure of the cleaning medium acting on each spray needle the same, so that each spray needle can achieve the same cleaning degree when cleaning its corresponding bottle body, a throttling orifice plate with different apertures is added to each spray needle. The throttling orifice plate needs to be installed or removed when the spray needle mechanism is in use, which makes the operation process cumbersome and reduces production efficiency. Utility Model Content
[0005] The utility model aims to provide a spray needle mechanism and a bottle washing device, under the premise of not adding other components, so that the pressure of the cleaning medium in the spray needle mechanism acting on each spray needle is the same, thereby making each spray needle achieve the same degree of cleaning when cleaning its corresponding bottle body, avoiding the problem of partial bottle body cleaning not meeting the standard and repeated bottle cleaning causing waste of cleaning medium.
[0006] To achieve this purpose, the utility model adopts the following technical solutions:
[0007] In one aspect, a needle spraying mechanism is provided, the needle spraying mechanism comprising:
[0008] A spray needle holder, wherein the spray needle holder has a flow channel inside, and a fluid medium inlet connected to the flow channel is provided on the spray needle holder, and a cleaning medium can enter the flow channel through the fluid medium inlet, and the cross-sectional area of the flow channel decreases in a direction away from the fluid medium inlet;
[0009] A plurality of spray needles are provided, and the plurality of spray needles are arranged on the spray needle holder along the extension direction of the flow channel, and each of the spray needles is communicated with the flow channel.
[0010] Preferably, the needle holder comprises:
[0011] An upper spray needle holder, wherein the upper spray needle holder is provided with an upper groove, and each of the spray needles is connected to the upper spray needle holder and communicated with the upper groove;
[0012] The lower spray needle holder is provided with a lower groove, the fluid medium inlet is arranged on the lower spray needle holder and communicated with the lower groove, the lower spray needle holder is fixedly connected to the upper spray needle holder, and the upper groove and the lower groove are arranged relative to each other to form the flow channel.
[0013] Preferably, the cross-sectional area of the outer contour of the spray needle holder decreases gradually from the fluid medium inlet toward a direction away from the fluid medium inlet.
[0014] Preferably, the needle holder is composed of multiple sections of columns, and each section of the columns is a prism.
[0015] Preferably, the spray needle comprises a spray needle body and a connecting portion, one end of the spray needle body is provided with a nozzle, the connecting portion is arranged at an end of the spray needle body away from the nozzle, and the connecting portion is connected to the spray needle holder.
[0016] Preferably, the spray needle further comprises a reinforcing portion, which is connected to the connecting portion and extends in a direction close to the nozzle, and the reinforcing portion wraps around a portion of the spray needle body.
[0017] Preferably, the spray needle further comprises a transition portion, which is connected to or integrally formed with the reinforcement portion, and the transition portion wraps around a portion of the spray needle body, and the outer diameter of the transition portion decreases in the direction from the reinforcement portion toward the nozzle.
[0018] Preferably, the spray needle mechanism further comprises a sealing member, and the sealing member is sandwiched between the spray needle and the spray needle holder.
[0019] Preferably, the spray needle mechanism further comprises a blocking member, the spray needle frame is provided with at least one cleaning medium discharge port, the cleaning medium discharge port is communicated with the flow channel, and the blocking member (4) is used to block the cleaning medium discharge port.
[0020] On the other hand, a bottle washing device is provided, comprising a bottle feeding mechanism and at least one spray needle mechanism as described in any one of the above items, wherein the bottle feeding mechanism is used to transport the bottle body, and the spray needle is configured to be arranged in a one-to-one correspondence with the bottle body.
[0021] Beneficial effects of the utility model:
[0022] The utility model provides a needle spray mechanism and bottle washing equipment. The needle spray mechanism includes a needle spray rack and a needle spray. The needle spray rack has a flow channel inside, and a fluid medium inlet connected to the flow channel is provided on the needle spray rack, and the cleaning medium can enter the flow channel through the fluid medium inlet. In the direction from the fluid medium inlet to the direction away from the fluid medium inlet, the cross-sectional area of the flow channel decreases, and the position closer to the fluid medium inlet on the flow channel is larger than the position farther from the fluid medium inlet. The larger flow channel inner diameter at this position can alleviate the larger cleaning medium pressure at the position closer to the fluid medium inlet, so that the pressure of the cleaning medium flowing to each needle spray is the same, so that the cleaning degree of each needle spraying to the corresponding bottle body is the same, avoiding the problem that some bottles are not cleaned up to standard and the need to repeatedly clean the bottles, resulting in the waste of cleaning medium, improving the bottle washing efficiency and the cleaning pass rate, and saving cleaning medium resources. A plurality of needle sprays are provided, and the plurality of needle sprays are arranged on the needle spray rack along the direction in which the flow channel extends, and each needle spray is connected to the flow channel to ensure that the cleaning medium can complete the cleaning work of each bottle body through each needle spray. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 It is a structural schematic diagram of the spray needle mechanism provided by a specific embodiment of the utility model;
[0024] Figure 2 It is a structural schematic diagram of the upper spray needle holder provided by a specific embodiment of the utility model;
[0025] Figure 3 It is a structural schematic diagram of the lower spray needle holder provided by a specific embodiment of the utility model;
[0026] Figure 4 It is a cross-sectional view of the spray needle mechanism provided by a specific embodiment of the utility model.
[0027] In the figure:
[0028] 1. Spray needle holder;
[0029] 11. upper spray needle holder; 111. upper groove; 112. first outlet groove;
[0030] 12. lower spray needle holder; 121. lower groove; 122. second outlet groove;
[0031] 13. Fluid medium inlet; 14. Threaded hole;
[0032] 2. Spray needle; 21. Spray needle body; 211. Spray port; 22. Connecting part; 23. Reinforcement part; 24. Transition part;
[0033] 3. Sealing parts; 4. Blocking parts. DETAILED DESCRIPTION
[0034] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.
[0035] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0036] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.
[0037] In the description of this embodiment, the terms "upper", "lower", "right", etc., are based on the directions or positions shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.
[0038] like Figure 1-Figure 4 As shown, the utility model provides a needle spray mechanism, which plays a vital role in automated production equipment such as food packaging and medicine packaging. Before filling food or liquid medicine, the bottle body needs to be cleaned. During cleaning, the needle spray mechanism can extend the needle 2 into the bottle body to be cleaned, and the cleaning medium can be introduced into the needle spray mechanism, and the cleaning medium is sprayed out through the needle spray 2 to complete the cleaning of the bottle body.
[0039] In some embodiments, the spray needle mechanism includes a spray needle holder 1 and a spray needle 2. The spray needle holder 1 has a flow channel inside. The spray needle holder 1 is provided with a fluid medium inlet 13 connected to the flow channel. The cleaning medium can enter the flow channel through the fluid medium inlet 13. The cross-sectional area of the flow channel decreases in the direction from the fluid medium inlet 13 toward the direction away from the fluid medium inlet 13. There are a plurality of spray needles 2, and the plurality of spray needles 2 are evenly distributed on the spray needle holder 1 along the setting direction of the flow channel, and each spray needle 2 is connected to the flow channel.
[0040] Specifically, the cleaning medium can be engineering medium injection water or circulating water. It should be noted that after the spray needle mechanism completes the cleaning work of the bottle body, the flow channel can also be used to supply clean compressed air. The introduction of clean compressed air can keep the spray needle mechanism dry when not in use, avoiding the residual engineering medium injection water or circulating water from corroding the spray needle mechanism. In this embodiment, 6 spray needles 2 are provided, and the 6 spray needles 2 are evenly distributed on the spray needle holder 1 along the setting direction of the flow channel. In other embodiments, the number of spray needles 2 can be set to 3, 4, 5, 7, or 8 according to the length of the flow channel, but is not limited thereto.
[0041] The cross-sectional area of the flow channel decreases in the direction from the fluid medium inlet 13 toward the direction away from the fluid medium inlet 13. The cross-sectional area of the flow channel is larger at a position closer to the fluid medium inlet 13 than at a position farther from the fluid medium inlet 13. The larger inner diameter of the flow channel at this position can alleviate the pressure of the larger cleaning medium at a position closer to the fluid medium inlet 13, so that the pressure of the cleaning medium flowing to each spray needle 2 is the same, so that each spray needle 2 has the same degree of cleaning of the corresponding bottle body, avoiding the problem of some bottles not being cleaned up to standard and the need to repeatedly clean the bottles resulting in a waste of cleaning medium, improving the bottle washing efficiency and the cleaning pass rate, and saving cleaning medium resources. There are a plurality of spray needles 2, and the plurality of spray needles 2 are evenly distributed on the spray needle holder 1 along the setting direction of the flow channel, and each spray needle 2 is connected to the flow channel to ensure that the cleaning medium can complete the cleaning of each bottle body through each spray needle 2.
[0042] In the direction from the fluid medium inlet 13 to the direction away from the fluid medium inlet 13, the cross-sectional area of the flow channel decreases, and the cross-sectional area of the flow channel generally tends to decrease. In this embodiment, in the direction from the fluid medium inlet 13 to the direction away from the fluid medium inlet 13, the cross-sectional area of the flow channel decreases smoothly, and the cross-sectional areas of the flow channel at different positions are different. In other embodiments, in the direction from the fluid medium inlet 13 to the direction away from the fluid medium inlet 13, the cross-sectional area of the flow channel decreases in a step-by-step manner. For example, in the range of 0 mm to 10 mm from the fluid medium inlet 13, the cross-sectional area of the flow channel is 15 mm 2 , within the range of 10mm-20mm from the fluid medium inlet 13, the cross-sectional area of the flow channel is 13mm 2, within the range of 20mm-30mm from the fluid medium inlet 13, the cross-sectional area of the flow channel is 10mm 2 The present invention does not limit the specific decreasing method of the cross-sectional area of the flow channel.
[0043] like Figure 2 and Figure 3 As shown, in order to facilitate the processing of the flow channel, the spray needle holder 1 includes an upper spray needle holder 11 and a lower spray needle holder 12. The upper spray needle holder 11 is provided with an upper groove 111. Each spray needle 2 is connected to the upper spray needle holder 11 and communicates with the upper groove 111. The lower spray needle holder 12 is provided with a lower groove 121. The fluid medium inlet 13 is arranged on the lower spray needle holder 12 and communicates with the lower groove 121. The lower spray needle holder 12 is connected to the upper spray needle holder 11. The upper groove 111 and the lower groove 121 are arranged opposite to each other to form a flow channel. Specifically, after the upper groove 111 is processed on the upper spray needle holder 11 and the lower groove 121 is processed on the lower spray needle holder 12, the upper spray needle holder 11 and the lower spray needle holder 12 are pressed and welded together to form a flow channel. Exemplarily, in this embodiment, a fluid medium inlet 13 is provided, and the fluid medium inlet 13 is arranged in the middle position of the spray needle holder 1. Accordingly, the cross-sectional area of the flow channel decreases from the middle to both sides. Only one fluid medium inlet 13 is provided to avoid connecting multiple cleaning medium supply ends to the fluid medium inlet 13, which can simplify the processing process and reduce the number of steps for operators to connect the cleaning medium supply end to the fluid medium inlet 13. In other embodiments, the fluid medium inlet 13 can also be provided with other numbers such as 2 or 3, but is not limited thereto.
[0044] In the actual cleaning process, the bottle to be cleaned is set on the annular rotating workpiece, and the position of each spray needle 2 needs to correspond to the position of each bottle, so the side wall of the flow channel connected to each spray needle 2 needs to be designed as an arc shape. Figure 1-Figure 3 As shown, due to the irregular shape of the flow channel, in order to save materials and reduce the volume of the needle holder 1, the shape of the needle holder 1 is designed to be an irregular structure adapted to the shape of the flow channel. Specifically, the outer contour area of the needle holder 1 also decreases from the fluid medium inlet 13 toward the direction away from the fluid medium inlet 13.
[0045] Furthermore, in order to facilitate the processing of the outer contour of the needle holder 1, the needle holder 1 is composed of multiple sections of columns, all of which are prisms. Specifically, in order to adapt to the shape of the flow channel, two adjacent sections of prisms on the needle holder 1 are set at an angle, and the needle holder 1 is fitted into a nearly polygonal structure according to the shape of the flow channel to facilitate processing.
[0046] Preferably, a rounded corner structure is provided between two adjacent edges of the spray needle holder 1. The setting of the rounded corner structure not only makes the appearance of the spray needle holder 1 more beautiful, but also reduces the risk of scratching people due to the angle formed between every two edges on the outer contour line, thereby improving the safety of the spray needle mechanism during installation and use.
[0047] The needle spray mechanism also includes a plugging member 4. The needle spray frame 1 is provided with at least one cleaning medium discharge port, which is communicated with the flow channel. The plugging member 4 is used to block the cleaning medium discharge port. After the cleaning work is completed, the cleaning medium remaining in the needle spray frame 1 is discharged through the cleaning medium discharge port, which improves the discharge efficiency of the cleaning medium, facilitates the management and maintenance of the needle spray mechanism when the needle spray mechanism is not needed, and prevents the residual cleaning medium from corroding the needle spray frame 1.
[0048] Specifically, two cleaning medium discharge outlets are provided, and the two cleaning medium discharge outlets are respectively provided at the left and right ends of the spray needle holder 1, which is beneficial to improving the discharge efficiency of the cleaning medium. The plugging component 4 is a plug made of 316L stainless steel. The plug needs to be in frequent contact with the cleaning medium during use. The material of 316L stainless steel prevents the plug from rusting due to contact with the cleaning medium, thereby extending the service life of the plug. In other embodiments, the plugging component 4 may also be made of other materials such as aluminum alloy and magnesium alloy, but is not limited thereto. Specifically, the two ends of the upper spray needle holder 11 are respectively provided with a first outlet groove 112, and the two ends of the lower spray needle holder 12 are respectively provided with a second outlet groove 122. The two first outlet grooves 112 and the two second outlet grooves 122 can be connected to form two cleaning medium discharge outlets.
[0049] like Figure 1 , Figure 2 and Figure 4 As shown, the spray needle 2 includes a spray needle body 21 and a connecting portion 22. One end of the spray needle body 21 is provided with a nozzle 211. The connecting portion 22 is arranged at one end of the spray needle body 21 away from the nozzle 211. The connecting portion 22 is connected to the spray needle holder 1. Specifically, the connecting portion 22 has a threaded end and a holding end. Accordingly, the upper spray needle holder 11 of the spray needle holder 1 is provided with a plurality of threaded holes 14, and the threaded end is screwed with the threaded holes 14. The setting of the threaded end makes the connection between the spray needle 2 and the spray needle holder 1 more convenient, and the setting of the holding end is convenient for the operator to hold, so that the spray needle 2 is rotated to connect the spray needle 2 to the spray needle holder 1, thereby improving the installation efficiency.
[0050] Furthermore, the spray needle 2 further includes a reinforcement portion 23, which is connected to the connection portion 22 and extends in a direction close to the nozzle 211, and wraps around a portion of the spray needle body 21. The outer diameter of the reinforcement portion 23 is greater than the outer diameter of the spray needle body 21. The arrangement of the reinforcement portion 23 improves the strength of the spray needle body 21 at the position where the reinforcement portion 23 is arranged, and during the operation of the spray needle mechanism, ensures that the spray needle 2 is not prone to bending and deformation, reduces the damage rate of the spray needle 2 and the frequency of replacing the spray needle 2, improves work efficiency, and saves costs.
[0051] Furthermore, the spray needle 2 further includes a transition portion 24, which is connected to the reinforcement portion 23 and wrapped around a portion of the spray needle body 21. In the direction from the reinforcement portion 23 toward the nozzle 211, the outer diameter of the transition portion 24 decreases. The provision of the transition portion 24 prevents dust accumulation on the reinforcement portion 23. In this embodiment, the transition portion 24 and the reinforcement portion 23 are an integrally formed structure. The generatrix of the transition portion 24 is a straight line or an arc.
[0052] During cleaning, since part of the needle body 21 needs to extend into the bottle body, the overall length of the connecting portion 22, the reinforcing portion 23 and the transition portion 24 along the axis of the needle body 21 should not be too large, and the distance from the end of the transition portion 24 to the end of the needle body 21 is 10mm-50mm. Specifically, according to the different depths of the bottle body, the distance from the end of the transition portion 24 to the nozzle 211 can be 10mm, 15mm, 20mm, 25mm, 30mm, 35mm, 40mm, 45mm, 50mm, etc.
[0053] In order to enhance the sealing performance of the connection between the spray needle 2 and the spray needle holder 1, the spray needle mechanism further includes a seal 3, which is sandwiched between the spray needle 2 and the spray needle holder 1. Specifically, the seal 3 is disposed between the gripping end of the connection portion 22 and the upper surface of the upper spray needle holder 11. In this embodiment, the seal 3 is made of plastic, which has the characteristics of high strength, wear resistance, and corrosion resistance. In other embodiments, the seal 3 may be made of rubber or silicone, but is not limited thereto.
[0054] This embodiment also provides a bottle washing device, which includes a bottle feeding mechanism and at least one spray needle mechanism, wherein the bottle feeding mechanism is used to transport the bottle body, and the spray needles 2 are configured to correspond to the bottle body one by one, so that each spray needle 2 can extend into the corresponding bottle body to complete the cleaning of the bottle body.
[0055] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the scope of protection of the present invention. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the scope of protection of the claims of the present invention.
Claims
1. A needle spray mechanism, characterized in that: The spray needle mechanism comprises: A spray needle holder (1), wherein the spray needle holder (1) has a flow channel inside, and the spray needle holder (1) is provided with a fluid medium inlet (13) connected to the flow channel, and a cleaning medium can enter the flow channel through the fluid medium inlet (13), and the cross-sectional area of the flow channel decreases in a direction from the fluid medium inlet (13) toward a direction away from the fluid medium inlet (13); A spray needle (2), wherein a plurality of the spray needles (2) are provided, and the plurality of the spray needles (2) are arranged on the spray needle holder (1) along the extension direction of the flow channel, and each of the spray needles (2) is connected to the flow channel.
2. The spray needle mechanism according to claim 1, characterized in that: The spray needle holder (1) comprises: An upper spray needle holder (11), wherein the upper spray needle holder (11) is provided with an upper groove (111), and each of the spray needles (2) is connected to the upper spray needle holder (11) and is in communication with the upper groove (111); A lower spray needle holder (12), wherein the lower spray needle holder (12) is provided with a lower groove (121), the fluid medium inlet (13) is arranged on the lower spray needle holder (12) and is communicated with the lower groove (121), the lower spray needle holder (12) and the upper spray needle holder (11) are fixedly connected, and the upper groove (111) and the lower groove (121) are arranged relative to each other to form the flow channel.
3. The spray needle mechanism according to claim 1, characterized in that: The cross-sectional area of the outer contour of the spray needle holder (1) decreases gradually in a direction away from the fluid medium inlet (13).
4. The spray needle mechanism according to claim 3, characterized in that: The spray needle holder (1) is composed of a plurality of sections of columns, and each section of the columns is a prism.
5. The spray needle mechanism according to claim 1, characterized in that: The spray needle (2) comprises a spray needle body (21) and a connecting portion (22); one end of the spray needle body (21) is provided with a spray port (211); the connecting portion (22) is arranged at an end of the spray needle body (21) away from the spray port (211); and the connecting portion (22) is connected to the spray needle holder (1).
6. The spray needle mechanism according to claim 5, characterized in that: The spray needle (2) further comprises a reinforcing portion (23), wherein the reinforcing portion (23) is connected to the connecting portion (22) and extends in a direction close to the nozzle (211), and the reinforcing portion (23) wraps around a portion of the spray needle body (21).
7. The spray needle mechanism according to claim 6, characterized in that: The spray needle (2) further comprises a transition portion (24), wherein the transition portion (24) is connected to or integrally formed with the reinforcement portion (23), and the transition portion (24) wraps around a portion of the spray needle body (21), and the outer diameter of the transition portion (24) decreases in a direction from the reinforcement portion (23) toward the nozzle (211).
8. The spray needle mechanism according to any one of claims 1 to 7, characterized in that: The spray needle mechanism further comprises a sealing member (3), wherein the sealing member (3) is sandwiched between the spray needle (2) and the spray needle holder (1).
9. The spray needle mechanism according to any one of claims 1 to 7, characterized in that: The spray needle mechanism also includes a blocking member (4); the spray needle holder (1) is provided with at least one cleaning medium discharge port, the cleaning medium discharge port is communicated with the flow channel, and the blocking member (4) is used to block the cleaning medium discharge port.
10. A bottle washing device, characterized in that: The bottle washing device comprises a bottle conveying mechanism and at least one spray needle mechanism as claimed in any one of claims 1 to 9, wherein the bottle conveying mechanism is used to convey the bottle body, and the spray needle (2) is configured to be arranged in a one-to-one correspondence with the bottle body.