Servo bottle tray waterproof structure of labeling machine

Abstract

The present invention relates to a labeling machine, and in particular to a waterproof structure of a servo bottle tray of a labeling machine. The output shaft of the servo motor is sleeved with a clamping sleeve, and the blind hole of the clamping sleeve is connected to the output shaft through a key; the hollow base is sleeved on the clamping sleeve, and the outer circumferential surface of the base is a stepped shaft structure. The bottom of the base is provided with a flange structure, and the flange structure is fixedly connected to the housing of the servo motor. The shaft body of the base is provided with an annular groove, and a first sealing ring is installed in the annular groove. A lower seal is provided between the shaft hole of the base and the upper part of the clamping sleeve; the shaft body of the base is sleeved with a disc and a flange in sequence from bottom to top, and a sealing gasket is provided between the disc and the flange; the bottom surface of the bottle tray seat of the bottle supporting base assembly is provided with an annular groove structure, and the shaft part of the groove structure is placed in the shaft hole of the base and connected to the upper end face of the clamping sleeve by bolts, and an upper seal is provided between the hole part of the groove structure and the shaft head part of the base. Five seals are provided between the bottle supporting base of the present invention and the servo motor to prevent liquid from entering the servo motor.

Description

Technical Field

[0001] The invention relates to a labeling machine, in particular to a servo bottle tray waterproof structure of the labeling machine. Background Art

[0002] The bottle tray of the labeling machine is driven by a servo motor. During labeling, the bottle is located on the bottle tray, and the bottle is filled with liquid. During the rotation of the bottle, if the bottle bursts, the liquid in the bottle will overflow. There is lubricant in the operating environment. The liquid and lubricant in the bottle flow into the servo motor, causing the servo motor to burn, causing the production line to stop, and increasing maintenance costs. The Chinese utility model patent with authorization announcement number CN208734848U discloses a waterproof device for a disc machine transmission gear servo motor. The servo motor of the utility model is equipped with a reducer, and a gear fixing seat is arranged on the reducer. The gear fixing seat is provided with an O-ring and a rotating sealing ring. The seal is limited by the installation structure, and the types and quantities are small, and the sealing performance is poor. Summary of the invention

[0003] The present invention aims to solve the above technical problems and provides a servo bottle tray waterproof structure of a labeling machine to prevent the servo motor from burning.

[0004] The technical solution adopted by the present invention to solve the technical problem is:

[0005] A servo bottle tray waterproof structure of a labeling machine comprises a servo motor and a bottle supporting base assembly, the output shaft of the servo motor is sleeved with a clamping sleeve, and the blind hole of the clamping sleeve is connected to the output shaft through a key; the hollow base is sleeved on the clamping sleeve, the outer circumferential surface of the base is a stepped shaft structure, the bottom of the base is provided with a flange structure, the flange structure is fixedly connected to the housing of the servo motor, the upper part of the shaft body of the base is provided with an annular groove, a first sealing ring is installed in the annular groove, and a lower seal is provided between the axial hole of the base and the upper part of the clamping sleeve; the shaft body of the base is sleeved with a disc and a flange in sequence from bottom to top, and a sealing gasket is provided between the disc and the flange; the bottom surface of the bottle supporting tray seat of the bottle supporting base assembly is provided with an annular groove structure, the shaft portion of the groove structure is placed in the shaft hole of the base and is connected to the upper end face of the clamping sleeve by bolts, and an upper seal is provided between the hole portion of the groove structure and the shaft head portion of the base.

[0006] Compared with the prior art, the present invention using the above technical solution has the following beneficial effects:

[0007] Five seals are set between the bottle support base and the servo motor to prevent liquid from entering the servo motor, thereby increasing the service life of the servo motor and reducing maintenance costs.

[0008] Further, the optimization scheme of the present invention is:

[0009] The outer circumference of the clamping sleeve is a stepped shaft structure. The shaft body of the clamping sleeve is provided with an opening structure penetrating its sleeve wall. The shaft bodies on both sides of the opening structure are connected by bolts. A semicircular notch structure is provided between the root of the shaft head of the clamping sleeve and the shaft shoulder surface.

[0010] The end surface of the shaft head of the clamping sleeve is provided with a concave stop structure, and the concave stop structure cooperates with the convex stop structure of the shaft portion of the bottom of the bottle supporting plate seat.

[0011] The lower seal is a single-lip skeleton oil seal, which is positioned by a circlip through the hole.

[0012] The upper seal is a double-lip skeleton oil seal, which is positioned through the hole with an elastic retaining ring.

[0013] There are two annular grooves, the first sealing ring is an O-ring, and the two O-rings are matched with the disc and the flange respectively.

[0014] The adjacent surfaces of the disc and the flange are provided with a stop structure.

[0015] A stop structure is provided on the joint surface between the base and the housing of the servo motor.

[0016] The second sealing ring is embedded in the lower end of the bolt hole at the bottom of the bottle supporting plate seat.

[0017] The bottle supporting tray seat is provided with a long groove which radially passes through its upper surface, and the long groove is a stepped groove. A T-shaped sliding plate is placed in the long groove, and a spring is provided between the two fins of the sliding plate and the stepped surface of the long groove. The sliding plate is provided with a radial long hole, and the long hole of the sliding plate is connected to the bottom of the bottle supporting tray seat by bolts. The pressure plate covers the upper surface of the bottom of the bottle supporting tray seat, and the pressure plate is fixed to the bottom of the bottle supporting tray seat by bolts. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a cross-sectional view of the overall structure of an embodiment of the present invention;

[0019] Figure 2 is a front view of a clamping sleeve according to an embodiment of the present invention;

[0020] Figure 3 yes Figure 2 Right view of;

[0021] Figure 4 yes Figure 3 It is the AA section view;

[0022] Figure 5 yes Figure 3 It is the BB section view;

[0023] Figure 6 yes Figure 2 It is the CC section view;

[0024] Figure 7is a front view of a base according to an embodiment of the present invention;

[0025] Figure 8 yes Figure 7 A top view of

[0026] Fig. 9 yes Figure 7 DD cross-sectional view;

[0027] Fig.10 yes Figure 7 EE cross-sectional view;

[0028] Fig.11 is a front view of a bottle supporting base assembly according to an embodiment of the present invention;

[0029] Fig.12 yes Fig.11 A top view of

[0030] Fig.13 It is a front view of the bottle support tray seat of the bottle support base assembly;

[0031] Fig.14 yes Fig.13 A top view of

[0032] Fig.15 of Fig.14 FF cross-sectional view;

[0033] Fig.16 yes Fig.14 GG cross-sectional view;

[0034] In the figure: servo motor 1; housing 1-1; male stop structure 1-2; clamping sleeve 2; shaft head 2-1; shaft body 2-2; opening structure 2-3; notch structure 2-4; fixing bolt 2-5; female stop structure 2-6; base 3; base shaft head 3-1; base shaft body 3-2; flange structure 3-3; annular groove 3-4; female stop structure 3-5; first sealing ring 4; lower seal 5; elastic retaining ring for hole 6; disc 7; flange 8; lower sealing gasket 9; upper sealing gasket 9-1; bottle tray seat 10; groove structure 10-1; shaft 10-2; hole 10-3; male stop structure 10-4; long groove 10-5; upper seal 11; second sealing ring 12; sliding plate 13; spring 14; pressure plate 15. DETAILED DESCRIPTION

[0035] The present invention is further described in detail below with reference to the accompanying drawings and embodiments.

[0036] See also Figure 1The present embodiment is a servo bottle tray waterproof structure of a labeling machine, which is composed of a servo motor 1, a clamping sleeve 2, a base 3, a first sealing ring 4, a lower sealing 5, a disc 7, a flange 8, a sealing gasket 9, a bottle tray seat 10, an upper sealing 11 and a second sealing ring 12. The axis of the servo motor 1 is arranged vertically, and the output shaft of the servo motor 1 is covered with a clamping sleeve 2. The outer circumference of the clamping sleeve 2 is a stepped shaft structure, which is composed of a shaft head 2-1 and a shaft body 2-2. An axial blind hole is machined at one end of the shaft body 2-2 of the clamping sleeve 2. The inner end of the blind hole extends to the shaft head 2-1. A keyway is machined in the blind hole. The blind hole of the clamping sleeve 2 is connected to the output shaft of the servo motor 1 through a key. The shaft body 2-2 of the clamping sleeve 2 is processed with an opening structure 2-3 penetrating the sleeve wall, and the shaft body 2-2 on both sides of the opening structure 2-3 is connected by a set bolt 2-5, and the clamping sleeve 2 is fixedly connected to the output shaft of the servo motor 1 through the opening structure 2-3 and the set bolt 2-5. A semicircular notch structure 2-4 is provided between the root of the shaft head 2-1 of the clamping sleeve 2 and the shaft shoulder surface, and a female stop structure 2-6 and an axial threaded hole are provided on the upper end surface of the shaft head 2-1 of the clamping sleeve 2.

[0037] The base 3 is sleeved on the clamping sleeve 2. The base 3 is a hollow structure. The outer circumference of the base 3 is a stepped shaft structure. The bottom of the base 3 is provided with a square flange structure 3-3. The bottom surface of the flange structure 3-3 is provided with a concave stop structure 3-5. The upper end surface of the housing of the servo motor 1 is provided with a convex stop structure 1-2. The concave stop structure 3-5 cooperates with the convex stop structure 1-2. The flange structure 3-3 is installed on the housing of the servo motor 1 by bolts. A lower seal 5 is installed between the shaft hole of the base 3 and the shaft head 2-1 of the clamping sleeve 2. The lower seal 5 is a single-lip skeleton oil seal. It is positioned by an elastic retaining ring 6 through a hole installed in the shaft hole of the base 3. The lip of the lower seal 5 faces upward. Two annular grooves 3-4 are processed on the outer circumference of the upper part of the base shaft head 3-1 of the base 3. The first sealing ring 4 is installed in the annular groove 3-4. The first sealing ring 4 is an O-ring. The base shaft body 3-2 of the base 3 is sequentially mounted with a disc 7 and a flange 8 from bottom to top, and the first sealing ring 4 is respectively matched with the disc 7 and the flange 8. A stopper structure is provided between the adjacent surfaces of the disc 7 and the flange 8, and a lower sealing gasket 9 and an upper sealing gasket 9-1 are respectively installed between the two joint surfaces of the disc 7 and the flange 8, and the disc 7 and the flange 8 are connected by hexagon socket bolts.

[0038] A bottle supporting base assembly is arranged above the base 3, and the bottle supporting base assembly is composed of a bottle supporting disc seat 10, a sliding plate 13, a spring 14 and a pressing plate 15. The bottle supporting disc seat 10 is circular, and its bottom is an inverted cone shape. The bottom surface of the bottle supporting disc seat 10 is processed with an annular groove structure 10-1, and the groove structure 10-1 is composed of a shaft portion 10-2 and a hole portion 10-3. The shaft portion 10-2 is placed in the shaft hole of the base 3, and the base shaft head portion 3-1 of the base 3 extends into the groove structure 10-1. The lower end surface of the shaft portion 10-2 of the bottle supporting disc seat 10 is provided with a male stop structure 10-4, and the male stop structure 10-4 cooperates with the female stop structure 2-6 of the clamping sleeve 2. The bottle supporting disc seat 10 is connected to the threaded hole of the clamping sleeve 2 through three bolts axially penetrating its body, and the lower end of the bolt hole of the bottle supporting disc seat 10 is embedded with a second sealing ring 12, and the second sealing ring 12 is an O-ring. An upper seal 11 is installed between the base shaft sleeve portion 3-1 of the base 3 and the hole portion 10-3 of the bottle tray seat 10. The upper seal 11 is a double-lip skeleton oil seal, and the upper seal 11 is positioned by an elastic retaining ring through the hole installed in the hole portion 10-3.

[0039] The bottle tray seat 10 is provided with a long groove 10-5 which radially passes through its upper surface, and the long groove 10-5 is a stepped groove. A T-shaped sliding plate 13 is horizontally placed in the long groove 10-5, and a spring 14 is provided between the two fins of the sliding plate 13 and the stepped surface of the long groove 10-5. The sliding plate 13 is provided with a radial long hole, and the long hole of the sliding plate 13 is connected to the bottom 10 of the bottle tray seat by bolts. A circular pressure plate 15 covers the upper surface of the bottom 10 of the bottle tray seat, and the pressure plate 15 is fixed to the bottom 10 of the bottle tray seat by bolts.

[0040] The present invention can effectively prevent liquid from entering the servo motor by arranging the stopper structure of the connecting component, multiple O-rings and two skeleton oil seals, thereby increasing the service life of the servo motor and reducing the maintenance cost.

[0041] The above description is only a preferred feasible embodiment of the present invention, and does not limit the scope of rights of the present invention. All equivalent structural changes made using the contents of the present invention description and drawings are included in the scope of rights of the present invention.

Claims

1. A servo bottle tray waterproof structure of a labeling machine, comprising a servo motor and a bottle tray base assembly. The output shaft of the servo motor is sleeved with a clamping sleeve, the blind hole of the clamping sleeve is connected to the output shaft through a key, and the hollow base is sleeved on the clamping sleeve, which is characterized by: The outer circumferential surface of the base is a stepped shaft structure, and a flange structure is provided at the bottom of the base, which is fixedly connected to the housing of the servo motor, and an annular groove is provided on the shaft body of the base, in which a first sealing ring is installed, and a lower seal is provided between the shaft hole of the base and the upper part of the clamping sleeve; the shaft body of the base is sequentially fitted with a disc and a flange from bottom to top, and a sealing gasket is provided between the disc and the flange; the bottom surface of the bottle tray seat of the bottle supporting base assembly is provided with an annular groove structure, the shaft portion of the groove structure is placed in the shaft hole of the base and is connected to the upper end surface of the clamping sleeve by bolts, and an upper seal is provided between the hole portion of the groove structure and the shaft head portion of the base; The outer circumferential surface of the clamping sleeve is a stepped shaft structure, the shaft body of the clamping sleeve is provided with an opening structure penetrating the sleeve wall, the shaft bodies on both sides of the opening structure are connected by bolts, and a semicircular notch structure is provided between the root of the shaft head of the clamping sleeve and the shaft shoulder surface; The bottle supporting tray seat is provided with a long groove which radially passes through its upper surface, and the long groove is a stepped groove. A T-shaped sliding plate is placed in the long groove, and a spring is provided between the two fins of the sliding plate and the stepped surface of the long groove. The sliding plate is provided with a radial long hole, and the long hole of the sliding plate is connected to the bottom of the bottle supporting tray seat by bolts. The pressure plate covers the upper surface of the bottom of the bottle supporting tray seat, and the pressure plate is fixed to the bottom of the bottle supporting tray seat by bolts.

2. The servo bottle tray waterproof structure of the labeling machine according to claim 1, characterized in that: The end surface of the shaft head of the clamping sleeve is provided with a concave stop structure, and the concave stop structure cooperates with the convex stop structure of the shaft portion of the bottom of the bottle supporting plate seat.

3. The servo bottle tray waterproof structure of the labeling machine according to claim 1, characterized in that: The lower seal is a single-lip skeleton oil seal, which is positioned by a circlip through the hole.

4. The servo bottle tray waterproof structure of the labeling machine according to claim 1, characterized in that: The upper seal is a double-lip skeleton oil seal, which is positioned through the hole with an elastic retaining ring.

5. The servo bottle tray waterproof structure of the labeling machine according to claim 1, characterized in that: There are two annular grooves, the first sealing ring is an O-ring, and the two O-rings are matched with the disc and the flange respectively.

6. The servo bottle tray waterproof structure of the labeling machine according to claim 1, characterized in that: The adjacent surfaces of the disc and the flange are provided with a stop structure.

7. The servo bottle tray waterproof structure of the labeling machine according to claim 1, characterized in that: A stop structure is provided on the joint surface between the base and the housing of the servo motor.

8. The servo bottle tray waterproof structure of the labeling machine according to claim 1, characterized in that: The second sealing ring is embedded in the lower end of the bolt hole at the bottom of the bottle supporting plate seat.

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