Swinging, ascending and descending mechanism and bottle washing machine

Abstract

The present invention relates to the technical field of packaging machinery, and particularly relates to a swinging, ascending and descending mechanism and a bottle washing machine. The swinging, ascending and descending mechanism comprises a base, an ascending and descending assembly and a swinging assembly. A mounting plate is provided above the base, an operating main shaft movably passing through the mounting plate. The ascending and descending assembly is provided on the base, an output end of the ascending and descending assembly being movably connected to the operating main shaft so as to drive the operating main shaft to ascend and descend with respect to the mounting plate. The swinging assembly comprises a swing drive member, a gear, a swing arm and a locking arm, wherein the swing drive member is in transmission connection with the gear, one end of the swing arm rotates around the axial direction of the operating main shaft, the other end of the swing arm is provided with a sector gear meshed with the gear, one end of the locking arm is fixedly connected to the operating main shaft, and the other end of the locking arm is ascendably and descendably connected to the swing arm, so that the swing arm and the locking arm rotate synchronously. The bottle washing machine comprises the described swinging, ascending and descending mechanism. The meshing of the gear and the sector gear is firm and reliable, thus improving the swing precision and stability of the operating main shaft and achieving compact installation.

Description

Swing lifting mechanism and bottle washing machine

[0001] This application claims priority to Chinese Patent Application No. 202410707332.7, filed on May 31, 2024, entitled "Swing Lifting Mechanism and Bottle Washing Machine", the entire contents of which are incorporated herein by reference. Technical Field

[0002] This application relates to the field of packaging machinery technology, and in particular to a swing lifting mechanism and a bottle washing machine. Background Technology

[0003] The bottle washing machine consists of a stainless steel water pump, high-pressure nozzle, electrical box, etc. It is a special equipment suitable for cleaning glass bottles, plastic bottles, etc., using brush cleaning and water rinsing cleaning alone or in combination.

[0004] In the swing lifting mechanism of a bottle washing machine, a cam mechanism or a linkage mechanism is usually used to achieve the swing motion. The cam mechanism occupies a large space, and the cam swing requires very high precision in the cam curve. The assembly precision of the cam and cam follower is also high, which increases the difficulty of assembling, replacing, and debugging the cam mechanism. At the same time, the friction between the cam follower and the cam over a long period of time will generate friction gaps, which will reduce the precision of the swing motion. On the other hand, the linkage mechanism has a large swing amplitude and low stability, which is also difficult to meet normal production requirements. Summary of the Invention

[0005] One objective of this invention is to provide a swing lifting mechanism to improve the swing accuracy and stability of the swing lifting mechanism and simplify its structure.

[0006] Another objective of this invention is to provide a bottle washing machine that improves the swing accuracy and stability of the swing lifting mechanism and simplifies the structure of the bottle washing machine.

[0007] To achieve this objective, the technical solution adopted by the present invention is as follows:

[0008] The swing lifting mechanism includes:

[0009] A base, with a mounting plate on top of the base, and a working spindle movably passing through the mounting plate;

[0010] A lifting assembly is mounted on the base, and the output end of the lifting assembly is movably connected to the working spindle to drive the working spindle to move up and down relative to the mounting plate.

[0011] The swing assembly includes a swing drive, a gear, a swing arm, and a locking arm. The swing drive is connected to the gear. One end of the swing arm rotates axially around the working spindle, and the other end of the swing arm is provided with sector teeth that mesh with the gear. One end of the locking arm is fixedly connected to the working spindle, and the other end of the locking arm is vertically connected to the swing arm so that the swing arm and the locking arm rotate synchronously.

[0012] As a preferred embodiment, the swing assembly further includes a connecting plate, one end of which is fixedly connected to the swing arm, and the connecting plate is slidably engaged with the end of the locking arm away from the working spindle in the vertical direction.

[0013] As a preferred embodiment, the locking arm includes:

[0014] First arm plate, one end of which is connected to the working spindle;

[0015] Two wheels are spaced apart and rotatably disposed at the other end of the first arm plate, and the connecting plate is slidably engaged between the two wheels along the vertical direction.

[0016] As a preferred embodiment, the swing assembly further includes a reinforcing arm located above the locking arm, one end of the reinforcing arm being rotatably mounted on the mounting plate, and the other end of the reinforcing arm being connected to the end of the connecting plate away from the swing arm.

[0017] As a preferred embodiment, the swing assembly further includes:

[0018] A pull rod assembly, one end of which is fixedly connected to the locking arm, and the other end of which movably passes through the swing arm;

[0019] A tension spring, one end of which is connected to the reinforcing arm, and the other end of which is connected to the other end of the pull rod assembly.

[0020] As a preferred embodiment, the lifting assembly includes:

[0021] The outer casing is mounted on the base, and a matching ball screw and ball nut are provided inside the outer casing; one end of the swing arm is rotatably mounted on the outer casing.

[0022] A nut seat, one end of which extends into the housing and is connected to the ball nut, and the other end of which slides out of the housing and is movably connected to the working spindle;

[0023] The lifting drive component is mounted on the housing and connected to the ball screw drive.

[0024] As a preferred embodiment, the housing includes:

[0025] A first housing, one end of the ball screw is rotatably disposed within the first housing, and the other end of the ball screw extends out of the nut seat; the lifting drive component is mounted on the first housing;

[0026] The second housing is connected to the first housing, and the nut seat slides through the second housing; the end of the swing arm away from the sector tooth is rotatably mounted on the second housing.

[0027] As a preferred embodiment, one end of the locking arm has a clamping structure, through which the locking arm clamps the working spindle, and one end of the nut seat protruding from the outer shell is fixedly connected to the clamping structure.

[0028] As a preferred embodiment, the end of the nut seat that protrudes from the outer shell has a flange, and the clamp structure is connected to the flange;

[0029] The upper end of the flange is provided with a limiting groove, and the working spindle passes through the clamp structure and is rotatably disposed in the limiting groove.

[0030] A bottle washing machine includes a cleaning mechanism and the aforementioned swing lifting mechanism, wherein the cleaning mechanism is mounted on the swing lifting mechanism.

[0031] The beneficial effects of this invention are as follows:

[0032] The present invention proposes a swing lifting mechanism in which the lifting assembly drives the working spindle to move up and down. Since one end of the locking arm is fixedly connected to the working spindle, and the other end is movably connected to the swing arm, the locking arm can move up and down synchronously with the working spindle relative to the swing arm. Through the meshing of the gear in the swing assembly with the sector teeth on the swing arm, the locking arm rotates with the swing arm while simultaneously driving the working spindle to rotate synchronously, thus realizing the lifting and swinging of the working spindle. Compared to existing cam mechanisms, the meshing of the gear and sector teeth in this invention is more stable and reliable, improving the accuracy and stability of the working spindle's swinging process. Furthermore, the gear and sector teeth are not only easier to manufacture and require lower assembly precision, but also occupy less space, simplifying the structure and enabling a compact installation of the swing lifting mechanism.

[0033] The bottle washing machine proposed in this invention includes the aforementioned swing lifting mechanism. Compared to existing cam mechanisms, the meshing of the gears and sector teeth in the swing lifting mechanism of this invention is more stable and reliable, improving the accuracy and stability of the swing process of the main shaft. Furthermore, the gears and sector teeth are not only easier to manufacture and require lower assembly precision, but also occupy less space, simplifying the structure of the bottle washing machine and enabling its compact installation. Attached Figure Description

[0034] Figure 1 is a structural schematic diagram of the swing lifting mechanism provided in an embodiment of the present invention;

[0035] Figure 2 is a cross-sectional view of the swing lifting mechanism provided in an embodiment of the present invention;

[0036] Figure 3 is a structural schematic diagram of the lifting assembly provided in an embodiment of the present invention;

[0037] Figure 4 is an exploded view of the lifting assembly provided in an embodiment of the present invention;

[0038] Figure 5 is a schematic diagram of the nut seat provided in an embodiment of the present invention;

[0039] Figure 6 is a schematic diagram of the assembly structure of the working spindle and the oscillating assembly provided in an embodiment of the present invention.

[0040] The component names and labels in the diagram are as follows: 1. Base; 2. Mounting plate; 3. Working spindle; 4. Lifting assembly; 41. Housing; 411. First housing; 412. Second housing; 42. Ball screw; 43. Ball nut; 44. Nut seat; 441. Flange; 442. Limiting groove; 443. Stepped surface; 45. Lifting drive component; 5. Swing assembly; 51. Swing drive component; 52. Gear; 53. Swing arm; 54. Locking arm; 541. First arm plate; 542. Wheel body; 543. Clamping structure; 55. Sector tooth; 56. Connecting plate; 57. Reinforcing arm; 58. Tie rod assembly; 581. Vertical rod; 582. Horizontal rod; 59. Tension spring; 6. Sliding rotary bearing; 7. Rotary bearing; 8. Sleeve. Detailed Implementation

[0041] To make the technical problems solved by the present invention, the technical solutions adopted, and the technical effects achieved clearer, the technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely for explaining the present invention and are not intended to limit the present invention. Furthermore, it should be noted that, for ease of description, only the parts related to the present invention are shown in the accompanying drawings, not all of them.

[0042] In the description of this invention, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0043] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0044] In the description of this embodiment, the terms "upper," "lower," "right," and "left," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the present invention. In addition, the terms "first" and "second" are used only for distinction in description and have no special meaning.

[0045] The technical solution of the present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0046] This embodiment discloses a bottle washing machine, which includes a cleaning mechanism and a swing lifting mechanism. The cleaning mechanism is mounted on the swing lifting mechanism and, driven by the swing lifting mechanism, completes lifting and swinging to clean the bottles. This bottle washing machine is mainly used for cleaning bottles used for food and pharmaceutical packaging. Of course, the bottle washing machine can also clean bottles used for other products, which are not specifically limited here.

[0047] In the swing lifting mechanism of a bottle washing machine, a cam mechanism or a linkage mechanism is usually used to achieve the swing motion. The cam mechanism occupies a large space, and the cam swing requires very high precision in the cam curve. The assembly precision of the cam and cam follower is also high, which increases the difficulty of assembling, replacing, and debugging the cam mechanism. At the same time, the friction between the cam follower and the cam over a long period of time will generate friction gaps, which will reduce the precision of the swing motion. On the other hand, the linkage mechanism has a large swing amplitude and low stability, which is also difficult to meet normal production requirements.

[0048] To address the aforementioned problems, as shown in Figure 1, this embodiment also proposes a swing lifting mechanism. The swing lifting mechanism includes a base 1, a lifting assembly 4, and a swing assembly 5. A mounting plate 2 is positioned above the base 1, and a working spindle 3 is movably mounted on the mounting plate 2. The lifting assembly 4 is mounted on the base 1, and its output end is movably connected to the working spindle 3 to drive the working spindle 3 to move up and down relative to the mounting plate 2. The swing assembly 5 includes a swing drive 51, a gear 52, a swing arm 53, and a locking arm 54. The swing drive 51 is connected to the gear 52. One end of the swing arm 53 rotates axially around the working spindle 3. Specifically, one end of the swing arm 53 is rotatably mounted on the lifting assembly 4, and the other end of the swing arm 53 is provided with sector teeth 55 that mesh with the gear 52. One end of the locking arm 54 is fixedly connected to the working spindle 3, and the other end of the locking arm 54 is movably connected to the swing arm 53 so that the swing arm 53 and the locking arm 54 rotate synchronously. In this embodiment, the swing drive 51 is a servo motor. The servo motor is small in size and easy to disassemble and assemble. The servo motor has high control precision, which further improves the swing precision of the working spindle 3.

[0049] The lifting assembly 4 drives the working spindle 3 to move up and down. Since one end of the locking arm 54 is fixedly connected to the working spindle 3, and the other end of the locking arm 54 is movably connected to the swing arm 53, the locking arm 54 can move up and down synchronously with the working spindle 3 relative to the swing arm 53. The gear 52 in the swing assembly 5 meshes with the sector teeth 55 on the swing arm 53, so that the locking arm 54 can rotate with the swing arm 53 while simultaneously driving the working spindle 3 to rotate synchronously, thus realizing the lifting and swinging of the working spindle 3 (i.e., the working spindle 3 reciprocates in the direction shown by the arrow in Figure 1). Compared with existing cam mechanisms, the meshing of the gear 52 and sector teeth 55 in this embodiment is more stable and reliable, improving the accuracy and stability of the swinging process of the working spindle 3. At the same time, the gear 52 and sector teeth 55 are not only easier to manufacture and require lower assembly precision, but also occupy less space, simplifying the structure and achieving a compact installation of the swinging lifting mechanism.

[0050] As shown in Figures 1 and 2, two sleeves 8 are coaxially mounted on the mounting plate 2. One sleeve 8 is located on the upper surface of the mounting plate 2, and the other sleeve 8 is located on the lower surface of the mounting plate 2. The working spindle 3 slides through the two sleeves 8. Sliding rotary bearings 6 are fitted inside the top of the upper sleeve 8 and at the mating position of the two sleeves 8 to facilitate the smooth lifting, lowering, and swinging of the working spindle 3.

[0051] As shown in Figures 3 and 4, the lifting assembly 4 includes a housing 41, a nut seat 44, and a lifting drive component 45. The housing 41 is mounted on the base 1, and a matching ball screw 42 and a ball nut 43 are disposed inside the housing 41. One end of the swing arm 53 is rotatably mounted on the housing 41. One end of the nut seat 44 extends into the housing 41 and is connected to the ball nut 43, while the other end of the nut seat 44 slidably extends out of the housing 41 and is movably connected to the working spindle 3. The lifting drive component 45 is mounted on the housing 41 and is driven by the ball screw 42. The lifting drive component 45 drives the ball screw 42 to rotate, causing the ball nut 43 to slide up and down along the ball screw 42, thereby causing the nut seat 44 to move up and down relative to the housing 41, thus driving the working spindle 3 to move up and down synchronously.

[0052] It should be noted that in this embodiment, the lifting assembly 4 uses a ball screw 42 and a ball nut 43 in conjunction, resulting in high precision and improving the lifting and lowering accuracy of the working spindle 3. Furthermore, the ball screw 42 requires no lubrication, reducing maintenance difficulty. The lifting assembly 4 can be purchased externally, enabling modular installation and improving the efficiency of disassembly and assembly, while reducing assembly errors. In addition, the lifting drive component 45 in this embodiment is a servo motor. Servo motors are small in size, easy to disassemble and assemble, and their high control precision further improves the lifting and lowering accuracy of the working spindle 3.

[0053] As shown in Figures 3 and 4, the outer casing 41 includes a first casing 411 and a second casing 412. One end of the ball screw 42 is rotatably disposed within the first casing 411, and the other end of the ball screw 42 extends through the nut seat 44. A lifting drive component 45 is mounted on the first casing 411. The second casing 412 is connected to the first casing 411, and the nut seat 44 slides through the second casing 412. The end of the swing arm 53 away from the sector tooth 55 is rotatably disposed on the second casing 412. The swing arm 53 is rotatably mounted on the second casing 412 via two rotary bearings 7. A sliding rotary bearing 6 is fitted between the nut seat 44 and the second casing 412 to facilitate smooth lifting and reciprocating rotation of the nut seat 44 within the second casing 412.

[0054] As shown in Figure 2, one end of the locking arm 54 has a clamping structure 543, which clamps the working spindle 3. One end of the nut seat 44, protruding from the outer casing 41, is fixedly connected to the clamping structure 543. This fixed connection between the locking arm 54 and the working spindle 3 improves the stability of their connection. Simultaneously, the nut seat 44 is movably connected to the working spindle 3 via the clamping structure 543, allowing it to drive the locking arm 54 and the working spindle 3 to move synchronously up and down. When the locking arm 54 rotates with the swing arm 53, the working spindle 3 rotates synchronously on the nut seat 44, enabling it to move synchronously up and down with the nut seat 44 and also rotate on it.

[0055] As shown in Figure 4, the end of the nut seat 44 that protrudes from the outer casing 41 has a flange 441, and the clamping structure 543 is connected to the flange 441. The upper end of the flange 441 is provided with a limiting groove 442, and the working spindle 3 passes through the clamping structure 543 and is rotatably disposed within the limiting groove 442. Specifically, the flange 441 is provided with a first mounting hole along the circumference, and the clamping structure 543 is provided with a corresponding second mounting hole. Fasteners such as bolts are sequentially inserted into the coaxial first mounting hole and second mounting hole to lock the flange 441 and the clamping structure 543, thereby realizing the detachable connection between the locking arm 54 and the nut seat 44.

[0056] As shown in Figures 4 and 5, the end of the nut seat 44 away from the flange 441 has a stepped structure inside, with a stepped surface 443 on which a third mounting hole is provided. The ball nut 43 is correspondingly provided with a fourth mounting hole. Fasteners such as bolts are sequentially inserted through the coaxial third and fourth mounting holes to lock the nut seat 44 and the ball nut 43, thus achieving a detachable connection between the nut seat 44 and the ball nut 43.

[0057] The specific structure of the swing assembly 5 will now be described with reference to Figures 2 and 6. As shown in Figures 2 and 6, the swing assembly 5 also includes a connecting plate 56. One end of the connecting plate 56 is fixedly connected to the swing arm 53, and the connecting plate 56 is slidably engaged with the end of the locking arm 54 away from the working spindle 3 in the vertical direction (up and down direction in the figure). The swing arm 53 and the locking arm 54 are arranged parallel to each other and are movably connected through the connecting plate 56. The swing arm 53 drives the locking arm 54 and the working spindle 3 to rotate through the connecting plate 56. When the working spindle 3 moves up and down, the locking arm 54 slides on the connecting plate 56 in the vertical direction.

[0058] Specifically, the locking arm 54 includes a first arm plate 541 and two wheels 542. One end of the first arm plate 541 is connected to the working spindle 3. The two wheels 542 are spaced apart and rotatably disposed at the other end of the first arm plate 541, and the connecting plate 56 is slidably engaged between the two wheels 542 in the vertical direction. When the locking arm 54 moves vertically up and down with the working spindle 3, the two wheels 542 slide vertically on opposite sides of the connecting plate 56. Through the sliding engagement between the wheels 542 and the connecting plate 56, the locking arm 54 experiences rolling friction between the wheels 542 and the connecting plate 56, greatly reducing the frictional resistance between the locking arm 54 and the connecting plate 56. This not only reduces the output power of the lifting drive component 45 but also prevents significant wear between the wheels 542 and the connecting plate 56, thus improving the protection of the connecting plate 56. In this embodiment, the wheels 542 can be rolling elements such as rollers or bearings, as long as they can generate rolling friction with the connecting plate 56.

[0059] Furthermore, as shown in Figure 6, the swing assembly 5 also includes a reinforcing arm 57 located above the locking arm 54. One end of the reinforcing arm 57 is rotatably mounted on the mounting plate 2, and the other end of the reinforcing arm 57 is connected to the end of the connecting plate 56 away from the swing arm 53. The swing arm 53, the locking arm 54, and the reinforcing arm 57 are arranged vertically from bottom to top at intervals, so that the upper and lower ends of the connecting plate 56 are connected to the reinforcing arm 57 and the swing arm 53 respectively, preventing the connecting plate 56 from twisting and deforming, and improving the structural strength and stability of the swing assembly 5. At the same time, the swing arm 53 and the reinforcing arm 57 can limit the vertical movement of the locking arm 54.

[0060] As shown in Figures 1 and 6, the swing assembly 5 also includes a pull rod assembly 58 and a tension spring 59. One end of the pull rod assembly 58 is fixedly connected to the locking arm 54, and the other end of the pull rod assembly 58 movably passes through the swing arm 53. One end of the tension spring 59 is connected to the reinforcing arm 57, and the other end of the tension spring 59 is connected to the other end of the pull rod assembly 58. When the locking arm 54 rises vertically along with the working spindle 3, the pull rod assembly 58 rises synchronously with the locking arm 54, and the tension spring 59 is compressed; when the locking arm 54 descends vertically along with the working spindle 3, the pull rod assembly 58 descends synchronously with the locking arm 54, and the tension spring 59 is stretched. By setting the tension spring 59, the lifting and lowering movement of the working spindle 3 can play a good buffering role, improving the stability of the lifting and lowering movement of the working spindle 3.

[0061] Specifically, the pull rod assembly 58 includes a vertical rod 581 and a horizontal rod 582. The vertical rod 581 extends vertically, with one end connected to the locking arm 54. The other end of the vertical rod 581 passes through the swing arm 53 and extends towards the base 1. The other end of the vertical rod 581 is provided with the horizontal rod 582, and the vertical rod 581 and the horizontal rod 582 are connected in a T-shape. There are two tension springs 59, with one tension spring 59 fixedly attached to each end of the horizontal rod 582, further enhancing the cushioning effect.

[0062] The above embodiments merely illustrate the basic principles and characteristics of the present invention. The present invention is not limited to the above embodiments. Various changes and modifications can be made to the present invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A swing lifting mechanism, characterized in that, include: A base (1) is provided above the base (1), and a mounting plate (2) is provided on the mounting plate (2), and a working spindle (3) is movably inserted through the mounting plate (2); A lifting assembly (4) is mounted on the base (1), and the output end of the lifting assembly (4) is connected to the working spindle (3). The movable connection drives the working spindle (3) to move up and down relative to the mounting plate (2); The swing assembly (5) includes a swing drive (51), a gear (52), a swing arm (53), and a locking arm (54). The swing drive (51) is connected to the gear (52) for transmission. One end of the swing arm (53) rotates around the axis of the working spindle (3), and the other end of the swing arm (53) is provided with a sector tooth (55) that meshes with the gear (52). One end of the locking arm (54) is fixedly connected to the working spindle (3), and the other end of the locking arm (54) is vertically connected to the swing arm (53) so that the swing arm (53) and the locking arm (54) rotate synchronously.

2. The swing lifting mechanism according to claim 1, characterized in that, The swing assembly (5) also includes a connecting plate (56), one end of which is fixedly connected to the swing arm (53), and the connecting plate (56) is slidably engaged with the end of the locking arm (54) away from the working spindle (3) in the vertical direction.

3. The swing lifting mechanism according to claim 2, characterized in that, The locking arm (54) includes: First arm plate (541), one end of the first arm plate (541) is connected to the working spindle (3); Two wheels (542) are spaced apart and rotatably disposed at the other end of the first arm plate (541), and the connecting plate (56) is slidably engaged between the two wheels (542) along the vertical direction.

4. The swing lifting mechanism according to claim 3, characterized in that, The swing assembly (5) also includes a reinforcing arm (57) located above the locking arm (54), one end of the reinforcing arm (57) being rotatably mounted on the mounting plate (2), and the other end of the reinforcing arm (57) being connected to the end of the connecting plate (56) away from the swing arm (53).

5. The swing lifting mechanism according to claim 4, characterized in that, The swing assembly (5) also includes: A pull rod assembly (58), one end of which is fixedly connected to the locking arm (54), and the other end of which movably passes through the swing arm (53); A tension spring (59) is provided, one end of which is connected to the reinforcing arm (57), and the other end of which is connected to the other end of the pull rod assembly (58).

6. The swing lifting mechanism according to claim 1, characterized in that, The lifting assembly (4) includes: The outer casing (41) is disposed on the base (1), and a matching ball screw (42) and ball nut (43) are disposed inside the outer casing (41); one end of the swing arm (53) is rotatably disposed on the outer casing (41); Nut seat (44), one end of which extends into the housing (41) and is connected to the ball nut (43), and the other end of which slides out of the housing (41) and is movably connected to the working spindle (3); The lifting drive component (45) is mounted on the housing (41) and is connected to the ball screw (42) for transmission.

7. The swing lifting mechanism according to claim 6, characterized in that, The outer casing (41) includes: The first housing (411) has one end of the ball screw (42) rotatably disposed inside the first housing (411), and the other end of the ball screw (42) extends out of the nut seat (44); the lifting drive (45) is mounted on the first housing (411); The second housing (412) is connected to the first housing (411), and the nut seat (44) slides through the second housing (412); the end of the swing arm (53) away from the sector tooth (55) is rotatably disposed on the second housing (412).

8. The swing lifting mechanism according to claim 6, characterized in that, One end of the locking arm (54) has a clamping structure (543), and the locking arm (54) clamps the working spindle (3) through the clamping structure (543). The nut seat (44) protrudes from the outer shell (41) and is fixedly connected to the clamping structure (543).

9. The swing lifting mechanism according to claim 8, characterized in that, The nut seat (44) has a flange (441) at one end protruding from the outer shell (41), and the clamp structure (543) is connected to the flange (441); The upper end of the flange (441) is provided with a limiting groove (442), and the working spindle (3) passes through the clamp structure (543) and is rotatably disposed in the limiting groove (442).

10. A bottle washing machine, characterized in that, It includes a cleaning mechanism and a swing lifting mechanism as described in any one of claims 1 to 9, wherein the cleaning mechanism is mounted on the swing lifting mechanism.

Images