A servo bottle clamping mechanism for the fourth station of a rotary bottle making machine

Abstract

This application discloses a servo bottle clamping mechanism for the fourth station of a rotary bottle-making machine, relating to the field of bottle-making machine technology. It includes: a vertically arranged lifting support component, the bottom of which is fixed to the base of the bottle-making machine; a servo transmission component, the fixed end of which is horizontally fixed to the lifting support component, the extended end of which faces the central axis of the base, and the extended end is equipped with a reducer; a bottle clamping arm component, one end of which is fixed to the output end of the reducer and swings under the control of the reducer; and a bottle clamping component, vertically fixed to the other end of the bottle clamping arm component. The bottle clamping component includes a bottle-supporting cylinder, a bottle-supporting head, a bottle clamping cylinder, and a bottle clamping fixture. The bottle-supporting cylinder controls the lifting and lowering of the bottle-supporting head and controls the bottle-supporting head to cover the bottle mouth during mold opening; the bottle clamping cylinder controls the lifting and lowering of the bottle clamping fixture and clamps the bottle. The servo bottle clamping mechanism of this application enables glass bottles to be clamped and moved from the fourth station of the rotary bottle-making machine to the stop plate of the bottle conveyor.

Description

Technical Field

[0001] This application relates to the field of bottle making machine technology, specifically to a servo bottle clamping mechanism for the fourth station of a rotary bottle making machine. Background Technology

[0002] Currently, rotary bottle making machines use multiple forming dies to alternately form bottles and cans. Among them, rotary bottle making machines that use four forming dies to form bottles and cans are widely used in the industry (four forming dies correspond to one initial mold). The four forming dies are symmetrically distributed on the rotary bottle making machine turntable. Through the turntable's circumferential rotation, the four forming dies and one initial mold alternately form bottles and cans.

[0003] like Figure 1 As shown, in actual production, rotary bottle making machines are often produced in parallel by multiple sets. Depending on the bottle production capacity, parallel production of 2, 3, or 4 sets can be flexibly adopted. The bottles and cans formed by each set of bottle making machines are clamped and sent to the stop plate 308 of a bottle conveyor. After cooling and shaping on the stop plate 308, the bottles and cans are then pushed onto the mesh belt 306 by the bottle-pushing mechanism. The mesh belt 306, which moves in a straight line, sends the bottles and cans to the annealing furnace 307 for annealing.

[0004] like Figure 2 The diagram shows a multi-unit parallel production layout of a rotary bottle-making machine. On the forming turntable, the first station 301 is the forming station, the second station 302 is the cooling station, and the third station 303 and the fourth station 304 are bottle-clamping stations. The relative positions of each station and the stop plate 308 are shown in the diagram. After the glass bottles are formed in the forming mold on the bottle-making machine, the turntable 305 rotates to the third station 303, so that the center line of the stop plate is aligned with the symmetrical center line of the two halves of the forming mold, i.e., the mold opening center line 309 in the diagram. The forming mold opening mechanism opens the two halves of the forming mold at a certain angle, and the bottles can be clamped out in a straight line along the mold opening center line 309 from the gap between the two opened halves of the mold. They are then transferred to the stop plate 308 of the bottle conveyor for cooling and shaping, and finally sent to the annealing furnace 307 via the mesh belt 306 for annealing. This is also the bottle clamping method currently used in traditional row-type bottle making machines and rotary bottle making machines (three-station bottle clamping machines).

[0005] According to the bottle and can forming process, some bottles and cans need to be clamped out by the forming mold at the fourth station 304 on the turntable 305. However, when the turntable 305 rotates to the fourth station 304, the gap formed by the opening of the two halves of the forming mold is no longer directly opposite the stop plate 308 of the bottle conveyor. At this time, the center line of the stop plate 308 is at a 90-degree angle to the symmetrical center line of the two halves of the forming mold at the fourth station 304. The two halves of the forming mold will instead hinder the clamping out of the bottle and can. It is very difficult to move the bottle and can clamp onto the stop plate 308 of the bottle conveyor. Summary of the Invention

[0006] In view of the deficiencies in the existing technology, the purpose of this application is to provide a servo bottle clamping mechanism for the fourth station of a rotary bottle making machine, which can realize the clamping and moving of glass bottles from the fourth station of the rotary bottle making machine to the stop plate of the bottle conveyor.

[0007] To achieve the above objectives, the technical solution adopted is: a servo bottle clamping mechanism for the fourth station of a rotary bottle-making machine, comprising: a vertically arranged lifting support component, the bottom of which is fixed to the base of the bottle-making machine; a servo transmission component, the fixed end of which is horizontally fixed to the lifting support component, the extended end of which faces the central axis of the base, and a reducer is provided at the extended end; a bottle clamping arm component, one end of which is fixed to the output end of the reducer and swings under the control of the reducer; and a bottle clamping component, which is vertically fixed to the other end of the bottle clamping arm component. The bottle clamping component includes a bottle-supporting cylinder, a bottle-supporting head, a bottle clamping cylinder, and a bottle clamping fixture. The bottle-supporting cylinder controls the lifting and lowering of the bottle-supporting head and controls the bottle-supporting head to cover the bottle mouth when the mold is opened. The bottle clamping cylinder controls the lifting and lowering of the bottle clamping fixture and clamps the bottle.

[0008] Based on the above technical solution, the lifting support component includes an adjusting nut, a lifting screw, a lifting column, and a base sleeve. The adjusting nut is vertically arranged, and the lifting screw is threaded to match the adjusting nut. The lifting column and the base sleeve are coaxially sleeved on the lifting screw.

[0009] Based on the above technical solution, the lifting support component also includes an adjusting shaft, an adjusting bevel gear, and a driven bevel gear. The driven bevel gear is coaxially fixed to the top end of the lifting screw, and the adjusting bevel gear is coaxially sleeved on the adjusting shaft, with the adjusting bevel gear meshing with the driven bevel gear. When the adjusting shaft rotates, the lifting screw is driven to rotate through the adjusting bevel gear and the driven bevel gear.

[0010] Based on the above technical solution, the lifting support component also includes a locking screw and a guide key. The guide key is fixedly set on the bottom side wall of the lifting column and matches the oval hole on the side wall of the base sleeve. The locking screw matches the screw hole on the side wall of the base sleeve and is used to tighten and hold the lifting column 46 after the height adjustment of the lifting support component 4 is completed.

[0011] Based on the above technical solution, the servo transmission component includes a servo motor and a double clamping plate. The output shaft of the reducer is fixed to the end of the bottle clamping arm component through the double clamping plate. The servo motor drives the arm to rotate through the reducer.

[0012] Based on the above technical solution, the servo transmission component also includes a bracket and a flexible coupling. The servo motor and the reducer are both mounted on the bracket, and the flexible coupling is used to connect the servo motor and the reducer.

[0013] Based on the above technical solution, the clamping bottle rotating arm component includes an arm body and fastening screws. One end of the arm body is fixed to the output end of the reducer by fastening screws, and the other end is fixed to the double clamping plate by fastening screws. The arm body adopts a long strip square steel structure.

[0014] Based on the above technical solution, the bottle clamping component includes a horizontal first mounting plate and a guide shaft, and both the bottle support cylinder and the bottle clamping cylinder pass through the first mounting plate from top to bottom; the bottle support head is disposed at the bottom end of the bottle support cylinder, and the bottle clamping fixture is disposed at the bottom end of the bottle clamping cylinder; the guide shaft is vertically disposed between the first mounting plate and the bottle clamping fixture.

[0015] Based on the above technical solution, the bottle clamp includes a piston structure and a clamping structure. The piston structure includes a cylinder head, a cylinder body, a piston body, and a piston shaft. The cylinder head and the cylinder body form a cavity. The piston shaft is coaxially disposed on the bottom surface of the piston body. When the piston body is squeezed by high-pressure gas, the piston body moves downward along the cavity, and the piston shaft pushes the clamping structure to clamp the bottle.

[0016] Based on the above technical solution, the clamping structure includes a cross link, a jaw, and a return spring. The top end of the cross link is fixed to the bottom end of the piston shaft, and the jaw is fixed to the bottom end of the cross link. The return spring is sleeved on the piston shaft and is used to push the piston shaft to return to its original position after the sealed cavity is depressurized.

[0017] The beneficial effects of the technical solution provided in this application include:

[0018] The servo bottle clamping mechanism of this application, by adding a servo bottle clamping mechanism to the original rotary bottle making machine, can help the rotary bottle making machine to open the mold normally at the fourth station and clamp the bottle to the stop plate. The lifting support component plays the role of overall support, the servo transmission component provides the power for the swinging motion, and the bottle clamping swing arm component performs the actual swinging motion. The bottle clamping component is set at the end of the bottle clamping swing arm component. The bottle support cylinder and bottle support head assist in completing the mold opening at the fourth station, and the bottle clamping cylinder and bottle clamping fixture realize the operation of clamping the bottle and lifting it. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 A production layout diagram of multiple sets of rotary bottle-making machines operating in parallel, provided for existing technology;

[0021] Figure 2 A schematic diagram of the structure and workstations of a rotary bottle-making machine provided for existing technology;

[0022] Figure 3 A schematic diagram of the servo bottle clamping mechanism installed on a rotary bottle making machine according to an embodiment of this application;

[0023] Figure 4 This is a schematic diagram of the servo-clamping bottle mechanism provided in an embodiment of this application;

[0024] Figure 5 for Figure 4 A schematic diagram of the servo drive component in the diagram;

[0025] Figure 6 for Figure 4 A schematic diagram of the structure of the clamp bottle rotating arm;

[0026] Figure 7 for Figure 4 A schematic diagram of the clamp bottle component in the diagram;

[0027] Figure 8 for Figure 7 A schematic diagram of the bottle clamp in the diagram;

[0028] Figure 9 for Figure 4 A schematic diagram of the lifting support component in the diagram;

[0029] Figure label:

[0030] 1. Servo transmission component; 2. Bottle clamping arm component; 3. Bottle clamping component; 4. Lifting support component; 11. Bracket; 12. Servo motor; 13. Flexible coupling; 14. Reducer; 15. Key; 16. Double clamping plate; 21. Arm body; 22. Fastening screw; 31. Bottle holding cylinder; 32. Bottle clamping cylinder; 33. First mounting plate; 34. Bottle holding head; 35. Linear bearing; 36. Guide shaft; 37. Bottle clamping fixture; 371. Cylinder head; 372. Cylinder body; 373. Piston body; 374. Piston shaft; 375. Cross linkage; 376. Clamping claw; 377. Return spring; 378. Second mounting plate; 41. Base plate; 42. Adjusting nut; 43. Lifting screw; 44. Locking screw; 45. Guide key; 46. Lifting column; 47. Upper support; 48. Adjusting shaft; 49. Adjusting bevel gear; 410. Driven bevel gear; 411. Support shaft; 301. First station; 302. Second station; 303. Third station; 304. Fourth station; 305. Turntable; 306. Mesh belt; 307. Annealing furnace; 308. Stop plate; 309. Mold opening center line; 310. Base; 311. Small crossbeam. Detailed Implementation

[0031] To make the objectives, technical solutions, and advantages of this application clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Furthermore, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0032] like Figures 3 to 9 As shown, this application also discloses an embodiment of a servo bottle clamping mechanism for the fourth station of a rotary bottle making machine. The servo bottle clamping mechanism includes a lifting support component 4, a servo transmission component 1, a bottle clamping rotating arm component 2, and a bottle clamping component 3.

[0033] The lifting support component 4 is vertically arranged, and its bottom is fixed to the base 310 of the bottle-making machine. Specifically, the base 310 is always fixed, and the turntable 305 of the bottle-making machine is located above the base 310.

[0034] The servo transmission component 1 is horizontally fixed to the lifting support component 4. The fixed end of the servo transmission component 1 is fixed to the lifting support component 4. The extended end of the servo transmission component 1 faces the central axis of the base 310, and a reducer 14 is provided at the extended end.

[0035] One end of the bottle clamping arm component 2 is fixed to the output end of the reducer 14 and swings under the control of the reducer 14. Specifically, the reducer 14 can rotate forward or reverse and drive the bottle clamping arm component 2 to swing back and forth between the fourth station and the stop plate of the bottle making machine.

[0036] The bottle clamping component 3 is vertically fixed to the other end of the bottle clamping arm component 2, meaning that the bottle clamping component 3 can swing back and forth under the action of the reducer 14 and the bottle clamping arm component 2.

[0037] The bottle clamping component 3 includes a bottle-supporting cylinder 31, a bottle-supporting head 34, a bottle-clamping cylinder 32, and a bottle-clamping fixture 37. Specifically, the bottle-supporting cylinder 31 controls the raising and lowering of the bottle-supporting head 34, which covers the bottle mouth during mold opening to prevent the bottle from tipping over. The bottle-clamping cylinder 32 controls the raising and lowering of the bottle-clamping fixture 37 and clamps the bottle.

[0038] The servo bottle clamping mechanism of this application, by adding a servo bottle clamping mechanism to the original rotary bottle making machine, can help the rotary bottle making machine to open the mold normally at the fourth station and clamp the bottle onto the stop plate 308. Specifically, the lifting support component 4 plays the role of overall support, the servo transmission component 1 provides the power for the swinging motion, the bottle clamping arm component 2 performs the actual swinging motion, the bottle clamping component 3 is set at the end of the bottle clamping arm component 2, and the bottle support cylinder 31 and the bottle support head 34 assist in completing the mold opening at the fourth station 304, and the bottle clamping cylinder 32 and the bottle clamping clamp 37 realize the operation of clamping the bottle and lifting it.

[0039] like Figure 9 As shown in (a) of the diagram, in one embodiment, the lifting support component 4 includes an adjusting nut 42, a lifting screw 43, a lifting column 46, and a base sleeve. The adjusting nut 42 is vertically arranged, and the lifting screw 43 is threadedly matched with the adjusting nut 42. The lifting column 46 and the base sleeve are coaxially sleeved outside the lifting screw 43, and the overlap length between the lifting column 46 and the base sleeve changes as the matching length of the adjusting nut 42 and the lifting screw 43 changes. Specifically, the inner diameter of the base sleeve is equal to the outer diameter of the lifting column 46. In actual use, the lifting support component 4 can also be adjusted to different heights by changing the matching length of the lifting screw 43 and the adjusting nut 42.

[0040] Preferably, the lifting support component 4 further includes a base plate 41, which is fixed to the base 310 of the bottle-making machine by bolts. An adjusting nut 42 is welded and fixed to the top surface of the base plate 41, and the base sleeve is also fixed to the base plate 41.

[0041] like Figure 9 As shown in (b) and (c), the lifting support component 4 further includes an adjusting shaft 48, an adjusting bevel gear 49, and a driven bevel gear 410. The driven bevel gear 410 is coaxially (meaning their axes coincide) fixedly mounted on the top end of the lifting screw 43. The adjusting bevel gear 49 is coaxially sleeved on the adjusting shaft 48, and the axes of the adjusting bevel gear 49 and the adjusting shaft 48 are horizontal. The adjusting bevel gear 49 meshes with the driven bevel gear 410; when the adjusting shaft 48 rotates, the lifting screw 43 is driven to rotate through the adjusting bevel gear 49 and the driven bevel gear 410.

[0042] Specifically, the adjusting bevel gear 49 is located on the side of the lifting column 46, and the axis of the adjusting bevel gear 49 is perpendicular to the axis of the driven bevel gear 410. Both the adjusting bevel gear 49 and the driven bevel gear 410 are bevel gears. When the adjusting shaft 48 rotates, the adjusting bevel gear 49 drives the driven bevel gear 410, which in turn drives the lifting screw 43 to rotate, changing the matching length of the lifting screw 43 and the adjusting nut 42, thereby changing the overall height of the lifting support component 4.

[0043] Furthermore, the lifting support component 4 also includes a locking screw 44 and a guide key 45. The guide key 45 is fixedly installed on the bottom side wall of the lifting column 46. A vertical oval hole is provided on the side wall of the base sleeve at the corresponding position. The guide key 45 matches the oval hole. The guide key 45 and the oval hole play a guiding role.

[0044] Specifically, the locking screw 44 is fitted into the screw hole on the side wall of the base sleeve. Normally, the locking screw 44 is in a loose state. When the height of the lifting support component 4 is adjusted to the required height, the locking screw 44 is tightened, pressing against the side wall of the lifting column 46, thus enhancing the support stability of the entire lifting support component.

[0045] Preferably, the upper support 47 is disposed at the top of the lifting column 46, and the driven bevel gear 410 is located inside the upper support 47.

[0046] Preferably, the lifting support component 4 further includes a vertically arranged support shaft 411, the bottom end of which is fixed to the top surface of the servo transmission component 1, and the top end of which is inserted through and fixed to the small crossbeam 311 of the bottle-making machine, further enhancing the stability of the entire servo bottle clamping mechanism. Specifically, the top end of the support shaft 411 is inserted into a predetermined hole in the small crossbeam of the bottle-making machine.

[0047] The servo drive component 1 includes a servo motor 12 and a double clamping plate 16. The output shaft of the reducer 14 is fixed to the end of the bottle clamping arm component 2 through the double clamping plate 16. The servo motor 12 drives the bottle clamping arm component 2 to swing through the reducer 14. The servo motor 12 rotates in both directions, driving the bottle clamping arm component 2 to swing back and forth between the fourth station and the stop plate.

[0048] Preferably, the bottom of the double clamping plate 16 is connected to the output end of the reducer 14 by a key.

[0049] The servo drive component 1 also includes a bracket 11 and a flexible coupling 13. The servo motor 12 and the reducer 14 are both mounted on the bracket 11, and the flexible coupling 13 is used to connect the servo motor 12 and the reducer 14.

[0050] like Figure 6 As shown, the bottle clamping arm component 2 includes an arm body 21 and fastening screws 22. One end of the arm body 21 is fixed to the output end of the reducer 14, and the other end is fixed to the bottle clamping component 3. One end of the arm body 21 is fixed to the double clamping plate 16 by the fastening screws 22, and the other end is fixed to the bottle clamping component 3 by the fastening screws 22. Specifically, the arm body 21 is clamped and fixed by the double clamping plate 16. Specifically, the arm body 21 adopts a long strip square steel structure, and several weight-reducing holes are provided on the square steel structure.

[0051] In one embodiment, the bottle clamping component 3 includes a horizontal first mounting plate 33 and a guide shaft 36. Both the bottle-supporting cylinder 31 and the bottle-clamping cylinder 32 are vertically arranged and extend from top to bottom through the first mounting plate 33. A bottle clamping fixture 37 is fixed to the bottom end of the bottle clamping cylinder 32. A bottle-supporting head 34 is disposed at the bottom end of the bottle-supporting cylinder 31, and the bottle clamping fixture 37 is disposed at the bottom end of the bottle clamping cylinder 32. The guide shaft 36 is vertically fixed to the lower surface of the first mounting plate 33, and the bottle clamping fixture 37 slides up and down along the guide shaft 36.

[0052] Specifically, the first mounting plate 33 is provided with a linear bearing 35, and the top end of the guide shaft 36 is located inside the linear bearing 35.

[0053] like Figure 8 As shown, the bottle clamp 37 includes a piston structure and a clamping structure. The piston structure includes a cylinder head 371, a cylinder body 372, a piston body 373, and a piston shaft 374. The cylinder head 371 and the cylinder body 372 form a cavity. The piston body 373 performs piston movement within the cavity.

[0054] The piston shaft 374 is coaxially disposed on the bottom surface of the piston body 373. When the piston body 373 is squeezed by high pressure gas, the piston body 373 moves downward along the cavity, and the piston shaft 374 pushes the clamping structure to clamp the bottle or can.

[0055] Specifically, the servo bottle clamping mechanism also includes an additional air compressor for supplying high-pressure air into the cavity. Specifically, the servo bottle clamping mechanism also includes a control center, with servo motor 12, reducer 14, bottle-supporting cylinder 31, bottle-clamping cylinder 32, and air compressor all connected to the control center. The control center controls the servo motor 12, reducer 14, bottle-supporting cylinder 31, bottle-clamping cylinder 32, and air compressor via signals to realize the mold opening and bottle clamping operations of the servo bottle clamping mechanism from the fourth station.

[0056] Specifically, the servo bottle clamping mechanism also includes a second mounting plate 378, the top surface of which is fixed to the extended end of the bottle clamping cylinder 32 and to the bottom end of the guide shaft 36.

[0057] Furthermore, the clamping structure includes a cross link 375, jaws 376, and a return spring 377. The top end of the cross link 375 is fixed to the bottom end of the piston shaft 374, and the jaws 376 are fixed to the bottom end of the cross link 375. The return spring 377 is sleeved on the piston shaft 374, with its top end abutting against the piston body 373 and its bottom end abutting against the inner wall of the cylinder body 372. When the piston shaft 374 moves downward, the return spring 377 is compressed. The return spring 377 is used to push the piston shaft 374 back to its original position after the sealed cavity is depressurized. In actual operation, when the piston shaft 374 moves downward, the jaws 376 clamp to grip the bottle / can; when the bottle / can is swung and conveyed to the stop plate, the cavity is depressurized, and the return spring 377 pushes the piston body 373 upward to its original position. Specifically, the cavity depressurization is also controlled by the control center.

[0058] In the description of this application, it should be noted that the terms "upper," "lower," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, 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, and therefore should not be construed as a limitation of this application. Unless otherwise expressly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; 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 between two elements. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0059] It should be noted that in this application, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0060] The above description is merely a specific embodiment of this application, enabling those skilled in the art to understand or implement this application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this application. Therefore, this application is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features claimed herein.

Claims

1. A servo-operated bottle clamping mechanism for the fourth station of a rotary bottle-making machine, characterized in that, include: The vertically arranged lifting support component (4) is fixed at its bottom to the base (310) of the bottle making machine. The servo transmission component (1) has its fixed end horizontally fixed to the lifting support component (4), its extended end facing the central axis of the base (310), and a reducer (14) is provided at the extended end; the servo transmission component (1) includes a servo motor (12) and a double clamp (16), the output shaft of the reducer (14) is fixed to the end of the clamp bottle rotating arm component (2) through the double clamp (16), and the servo motor (12) drives the arm body (21) to rotate through the reducer (14); The bottle clamping arm component (2) has one end fixed to the output end of the reducer (14) and swings under the control of the reducer (14); The bottle clamping component (3) is vertically fixed to the other end of the bottle clamping arm component (2). The bottle clamping component (3) includes a bottle support cylinder (31), a bottle support head (34), a bottle clamping cylinder (32), and a bottle clamping fixture (37). The bottle support cylinder (31) controls the bottle support head (34) to rise and fall and controls the bottle support head (34) to cover the bottle mouth when the mold is opened. The bottle clamping cylinder (32) controls the bottle clamping fixture (37) to rise and fall and clamp the bottle. The bottle clamp (37) includes a piston structure and a clamp structure. The piston structure includes a cylinder head (371), a cylinder body (372), a piston body (373), and a piston shaft (374). The cylinder head (371) and the cylinder body (372) form a cavity. The piston shaft (374) is coaxially disposed on the bottom surface of the piston body (373). When the piston body (373) is squeezed by high-pressure gas, the piston body (373) moves downward along the cavity, and the piston shaft (374) pushes the clamp structure to clamp the bottle.

2. The servo bottle clamping mechanism of the fourth station of a rotary bottle making machine as described in claim 1, characterized in that: The lifting support component (4) includes an adjusting nut (42), a lifting screw (43), a lifting column (46), and a base sleeve. The adjusting nut (42) is vertically arranged, and the lifting screw (43) is threaded to match the adjusting nut (42). The lifting column (46) and the base sleeve are coaxially sleeved on the outside of the lifting screw (43).

3. The servo bottle clamping mechanism of the fourth station of a rotary bottle making machine as described in claim 2, characterized in that: The lifting support component (4) also includes an adjusting shaft (48), an adjusting bevel gear (49), and a driven bevel gear (410). The driven bevel gear (410) is coaxially fixed to the top of the lifting screw (43), and the adjusting bevel gear (49) is coaxially sleeved on the adjusting shaft (48) and meshes with the driven bevel gear (410). When the adjusting shaft (48) rotates, the lifting screw (43) is driven to rotate through the adjusting bevel gear (49) and the driven bevel gear (410).

4. The servo bottle clamping mechanism of the fourth station of a rotary bottle making machine as described in claim 2, characterized in that: The lifting support component (4) also includes a locking screw (44) and a guide key (45). The guide key (45) is fixedly installed on the bottom side wall of the lifting column (46), and the guide key (45) matches the oval hole on the side wall of the base sleeve. The locking screw (44) matches the screw hole on the side wall of the base sleeve and is used to tighten and hold the lifting column (46) after the height of the lifting support component (4) is adjusted.

5. The servo bottle clamping mechanism of the fourth station of a rotary bottle making machine as described in claim 1, characterized in that: The servo transmission component (1) also includes a bracket (11) and a flexible coupling (13). The servo motor (12) and the reducer (14) are both mounted on the bracket (11). The flexible coupling (13) is used to connect the servo motor (12) and the reducer (14).

6. The servo bottle clamping mechanism of the fourth station of a rotary bottle making machine as described in claim 1, characterized in that: The clamp bottle rotating arm component (2) includes an arm body (21) and fastening screws (22). One end of the arm body (21) is fixed to the output end of the reducer (14) by fastening screws (22), and the other end is fixed to the double clamp plate (16) by fastening screws (22). The arm body (21) adopts a long strip square steel structure.

7. The servo bottle clamping mechanism of the fourth station of a rotary bottle making machine as described in claim 1, characterized in that: The bottle clamping component (3) includes a horizontal first mounting plate (33) and a guide shaft (36). The bottle support cylinder (31) and the bottle clamping cylinder (32) both pass through the first mounting plate (33) from top to bottom. The bottle support head (34) is located at the bottom end of the bottle support cylinder (31), and the bottle clamping fixture (37) is located at the bottom end of the bottle clamping cylinder (32). The guide shaft (36) is vertically located between the first mounting plate (33) and the bottle clamping fixture (37).

8. The servo bottle clamping mechanism of the fourth station of a rotary bottle making machine as described in claim 1, characterized in that: The clamp structure includes a cross link (375), a jaw (376), and a return spring (377). The top end of the cross link (375) is fixed to the bottom end of the piston shaft (374), and the jaw (376) is fixed to the bottom end of the cross link (375). The return spring (377) is sleeved on the piston shaft (374) and is used to push the piston shaft (374) to return to its original position after the sealed cavity is depressurized.

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