CN211619891U

CN211619891U - Cap screwing device

Info

Publication number: CN211619891U
Application number: CN201922381855.4U
Authority: CN
Inventors: 陈业仓; 黄卫兵
Original assignee: Suzhou Industrial Park Tian Long Medical Co ltd
Current assignee: Suzhou Lezhu Pharmaceutical Co.,Ltd.
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-10-02
Anticipated expiration: 2029-12-26

Abstract

The utility model relates to a spiral cover device, the mounting bracket comprises a mounting bracket, the motor is equipped with on the mounting bracket, the bilateral symmetry of motor is equipped with spiral cover mechanism, spiral cover mechanism includes the spiral cover axle, the synchronizing wheel, the stator overcoat, magnet, the rotor cover, the rotor, compound copper sheathing, the spiral cover, the cylinder, connecting cylinder and connecting axle, the spiral cover axle is rotationally located on the mounting bracket, synchronizing wheel and stator overcoat suit are respectively in the top and the bottom of spiral cover axle, the rotor, in the stator overcoat is located outward by interior in proper order to rotor cover and magnet, compound copper sheathing is established in the bottom of rotor, the spiral cover is connected in the below of compound copper sheathing, it has two symmetries and can open the piece of grabbing of closing to articulate on the spiral cover. The cap screwing device adopts one motor to drive two cap screwing mechanisms simultaneously, so that two bottle caps can be screwed simultaneously, and the production efficiency is improved; the opening and closing angle of the grabbing piece can be adjusted through the air cylinder, the structure is simple, and the clamping device is suitable for clamping bottle caps with different calibers.

Description

Cap screwing device

Technical Field

The utility model relates to an automation equipment technical field, in particular to spiral cover device.

Background

The cap screwing machine is used for screwing the cap after the plastic bottle and the glass bottle are separately packaged, and has wide application in the industries of medicine, food, daily chemical products and the like.

When the existing cap screwing machine is used, only one bottle cap can be screwed at a time, and the production efficiency is low. In addition, the cap screwing sleeve of the cap screwing machine is generally used in a matched manner, and in actual production, because the calibers of the bottle caps are different, the machine is often required to be stopped to replace different cap screwing sleeves for production, so that the use is inconvenient and the working efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: in order to overcome the defects of the prior art, a cap screwing device is provided.

In order to achieve the above technical effect, the utility model discloses a technical scheme is: a cap screwing device comprises a mounting frame, wherein a motor is mounted on the mounting frame, cap screwing mechanisms are symmetrically arranged on two sides of the motor, and the motor is in transmission connection with the cap screwing mechanisms;

the spiral cover mechanism comprises a spiral cover shaft, a synchronizing wheel, a stator outer sleeve, a magnet, a rotor sleeve, a rotor, a composite copper sleeve, a spiral cover sleeve, a cylinder, a connecting cylinder and a connecting shaft, wherein the spiral cover shaft is rotatably arranged on the mounting frame, the synchronizing wheel and the stator outer sleeve are respectively sleeved at the top and the bottom of the spiral cover shaft, the synchronizing wheel is driven by a motor, the rotor sleeve and the magnet are sequentially arranged in the stator outer sleeve from inside to outside, the two ends of the rotor all exceed the stator outer sleeve, the composite copper sleeve is sleeved at the bottom of the rotor, the spiral cover sleeve is connected below the composite copper sleeve, two symmetrical and openable and closable grabbing pieces are hinged on the spiral cover sleeve, the cylinder is fixed on the mounting frame, the connecting cylinder is fixed below the cylinder, a bearing is arranged at the inner side of the connecting cylinder, the connecting shaft is vertically arranged, the top of the connecting shaft is connected with the bearing, and the bottom, The rotor and the composite copper sleeve are in transmission connection with the grasping sheet.

Preferably, the mounting rack comprises a bottom plate, a top plate and a connecting rod, the top plate is arranged above the side of the bottom plate relatively, the top plate is fixedly connected with the bottom plate through the connecting rod, the bottom plate is provided with mounting holes, the motor is vertically fixed on the bottom plate, the cylinder is vertically fixed on the top plate, and the rotary cover shaft is fixed on the bottom plate through a bearing seat.

Preferably, the motor is a servo motor, a driving wheel is sleeved on the motor, and the two synchronous wheels are in transmission connection with the driving wheel through a synchronous belt. The servo motor is adopted for driving, and the device has the advantages of high precision, stable output and the like. The two cap screwing mechanisms driven by one motor can be operated by the driving wheel and the synchronous belt, two bottle caps can be screwed simultaneously in sequence, and the production efficiency is greatly improved.

Preferably, the both sides of motor all are equipped with adjustable overspeed device tensioner, overspeed device tensioner includes arm-tie, bolt, tensioning shaft and take-up pulley, the arm-tie is equipped with the bar hole along its axial, the bolt passes the bar hole and links to each other with the bottom plate, tensioning shaft vertical fixation is on the arm-tie, the take-up pulley rotationally the suit is on the tensioning shaft, and the take-up pulley pastes with the hold-in range and leans on. The arm-tie can rely on the bar hole to adjust to suitable position, then fixed through bolt and bottom plate, relies on the take-up pulley to push up the hold-in range, guarantees hold-in range driven accuracy.

Preferably, the bottom of the connecting shaft is provided with an I-shaped connecting end, and a space for the connecting end to move up and down is arranged in the spiral cover sleeve. The connecting end can move up and down in the cover screwing sleeve for convenience.

Preferably, the two grabbing pieces are respectively arranged on two sides of the connecting end, the grabbing pieces are L-shaped, corners of the grabbing pieces are hinged to the screwing cover sleeve, the grabbing pieces are composed of horizontal portions and vertical portions, the horizontal portions are located in side edge grooves of the connecting end, and the vertical portions are located below the horizontal portions. When the connecting end descends, the horizontal part is pressed downwards, the vertical part rotates outwards, the grabbing piece is opened, and otherwise, when the connecting end ascends, the grabbing piece is closed.

Preferably, the upper end of the stator outer sleeve is respectively provided with a knurled locking nut, and the knurled locking nut is connected with the rotary cover sleeve. In order to ensure the connection strength of the stator outer sleeve and the rotary cover sleeve.

Preferably, a scale locking disc is arranged at the joint of the rotor and the composite copper sleeve. The positions of the rotor and the composite copper sleeve can be adjusted through the scale locking disc, so that the height of the rotary cover sleeve is adjusted.

Preferably, the number of the bearings is two, and the two bearings are respectively fixed at the upper end and the lower end of the connecting cylinder. Through installing the bearing at connecting cylinder both ends for the rotation of connecting axle and connecting cylinder is connected more stably.

Preferably, the rotor bushing is made of a magnetic material. So that the rotor housing can be attracted by the magnet.

Compared with the prior art, the beneficial effects of the utility model are that: 1. the cap screwing device adopts one motor to drive two cap screwing mechanisms simultaneously, so that two bottle caps can be screwed simultaneously, and the production efficiency is improved; 2. the opening and closing angle of the grabbing piece can be adjusted through the air cylinder, the structure is simple, and the clamping device is suitable for clamping bottle caps with different calibers; 3. the magnet and the rotor sleeve can rotate relatively, so that the phenomenon that the bottle cap and the bottle are over screwed by threads is avoided, and the cap screwing effect is guaranteed.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the embodiments, and it is obvious that the described embodiments are some embodiments, not all embodiments of the present invention.

Drawings

Fig. 1 is a schematic structural view of the cap screwing device of the present invention.

Fig. 2 is a cross-sectional view a-a of fig. 1.

Fig. 3 is a top view of fig. 1.

The reference numbers and corresponding designations in the drawings are: 1. the novel motor comprises a mounting frame, 2. a motor, 3. a rotary cover shaft, 4. a synchronizing wheel, 5. a stator outer sleeve, 6. a magnet, 7. a rotor sleeve, 8. a rotor, 9. a composite copper sleeve, 10. a rotary cover sleeve, 11. an air cylinder, 12. a connecting cylinder, 13. a connecting shaft, 14. a grasping sheet, 15. a bearing, 16. a bearing seat, 17. a driving wheel, 18. a synchronous belt, 19. a pulling plate, 20. a bolt, 21. a tensioning shaft, 22. a tensioning wheel, 23. a knurled locking nut, 24. a scale locking disc, 101. a bottom plate, 102. a top plate, 103. a connecting rod, 1301. a connecting end, 1401. a horizontal part, 1402. a vertical part and 1901. a strip-shaped hole.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

As shown in fig. 1-3, a cap screwing device comprises a mounting frame 1, wherein a motor 2 is mounted on the mounting frame 1, cap screwing mechanisms are symmetrically arranged on two sides of the motor 2, and the motor 2 is in transmission connection with the cap screwing mechanisms;

the cover screwing mechanism comprises a cover screwing shaft 3, a synchronizing wheel 4, a stator outer sleeve 5, a magnet 6, a rotor sleeve 7, a rotor 8, a composite copper sleeve 9, a cover screwing sleeve 10, a cylinder 11, a connecting cylinder 12 and a connecting shaft 13, wherein the cover screwing shaft 3 is rotatably arranged on the mounting frame 1, the synchronizing wheel 4 and the stator outer sleeve 5 are respectively sleeved at the top and the bottom of the cover screwing shaft 3, the synchronizing wheel 4 is driven by the motor 2, the rotor 8, the rotor sleeve 7 and the magnet 6 are sequentially arranged in the stator outer sleeve 5 from inside to outside, both ends of the rotor 8 exceed the stator outer sleeve 5, the composite copper sleeve 9 is sleeved at the bottom of the rotor 8, the cover screwing sleeve 10 is connected below the composite copper sleeve 9, two symmetrical and openable gripping pieces 14 are hinged on the cover screwing sleeve 10, the cylinder 11 is fixed on the mounting frame 1, the connecting cylinder 12 is fixed below the cylinder 11, a bearing 15 is arranged at the inner side of the connecting shaft 13, the connecting shaft 13 is vertically arranged, the, the bottom of the rotary cover sequentially penetrates through the synchronizing wheel 4, the rotary cover shaft 3, the rotor 8 and the composite copper sleeve 9 and then is in transmission connection with the grabbing piece 14. When the device is used, the air cylinder 11 can drive the connecting shaft 13 to move up and down through the connecting cylinder 12, when the connecting shaft 13 moves down, the two grabbing pieces 14 are opened, and when the connecting shaft 13 moves up, the two grabbing pieces 14 are closed. By means of the closing of the gripping sheet 14, bottle caps with different calibers can be clamped. It is rotatory by motor 2 drive synchronizing wheel 4, synchronizing wheel 4 drives stator overcoat 5 through spiral cover axle 3 and rotates, spiral cover axle 3 and stator overcoat 5 are all hollow, and magnet 6, rotor cover 7 and rotor 8 are all adorned at stator overcoat 5, can be driven synchronous rotation, rotor 8 accessible composite copper cover 9 drive spiral cover 10 is rotatory, thereby it starts the spiral cover operation to drive grab piece 14, because rely on magnetic force to adsorb between magnet 6 and the rotor cover 7 and be connected, rely on the screw thread to screw up the back when bottle lid and bottle spare, magnet 6 can rotate relatively with rotor cover 7, avoid the screw thread to screw up between bottle lid and bottle like this, the spiral cover effect has been guaranteed.

Mounting bracket 1 includes bottom plate 101, roof 102 and connecting rod 103, and roof 102 sets up the side top at bottom plate 101 relatively, through connecting rod 103 fixed connection between roof 102 and the bottom plate 101, is equipped with the mounting hole on the bottom plate 101, and motor 2 is vertical to be fixed on bottom plate 101, and cylinder 11 is vertical to be fixed on roof 102, and spiral cover axle 3 passes through bearing frame 16 to be fixed on bottom plate 101.

The motor 2 is a servo motor, the motor 2 is sleeved with a driving wheel 17, and the two synchronous wheels 4 are in transmission connection with the driving wheel 17 through a synchronous belt 18. The servo motor is adopted for driving, and the device has the advantages of high precision, stable output and the like. By means of the transmission of the driving wheel 17 and the synchronous belt 18, the operation of driving the two cap screwing mechanisms by one motor 2 is realized, two bottle caps can be screwed at one time, and the production efficiency is greatly improved.

The both sides of motor 2 all are equipped with adjustable overspeed device tensioner, and overspeed device tensioner includes arm-tie 19, bolt 20, tensioning shaft 21 and take-up pulley 22, and arm-tie 19 is equipped with bar hole 1901 along its axial, and bolt 20 passes bar hole 1901 and links to each other with bottom plate 101, and tensioning shaft 21 vertical fixation is on arm-tie 19, and take-up pulley 22 rotationally the suit is on tensioning shaft 21, and take-up pulley 22 pastes with hold-in range 18 and leans on. The pulling plate 19 can be adjusted to a proper position by means of the strip-shaped hole 1901, then is fixed with the bottom plate 101 through the bolt 20, and can tightly push the synchronous belt 18 by means of the tension wheel 22, so that the transmission accuracy of the synchronous belt 18 is ensured.

The bottom of the connecting shaft 13 is provided with an I-shaped connecting end 1301, and a space for the connecting end 1301 to move up and down is arranged in the spiral cover sleeve 10. The connecting end 1301 can move up and down in the screw cap sleeve 10 for convenience.

The two grabbing pieces 14 are respectively arranged on two sides of the connecting end 1301, the grabbing pieces 14 are L-shaped, the corners of the grabbing pieces 14 are hinged with the screw cap sleeve 10, each grabbing piece 14 is composed of a horizontal portion 1401 and a vertical portion 1402, the horizontal portion 1401 is located in a side groove of the connecting end 1301, and the vertical portion 1402 is located below the horizontal portion 1401. When the connecting end 1301 is lowered, the horizontal part 1401 is pressed downwards, the vertical part 1402 rotates outwards, the grabbing piece 14 is opened, and otherwise when the connecting end 1301 is raised, the grabbing piece 14 is closed.

And the upper end of the stator outer sleeve 5 is respectively provided with a knurled locking nut 23, and the knurled locking nut 23 is connected with the screw cap sleeve 10. To ensure the connection strength of the stator outer sleeve 5 and the screw cap sleeve 10.

And a scale locking disc 24 is arranged at the joint of the rotor 8 and the composite copper sleeve 9. The positions of the rotor 8 and the composite copper sleeve 9 can be adjusted through the scale lock disc 24, so that the height of the rotary cover sleeve 10 can be adjusted.

The number of the bearings 15 is two, and the two bearings 15 are respectively fixed at the upper and lower ends of the connecting cylinder 12. The rotary connection of the connecting shaft 13 and the connecting cylinder 12 is more stable by installing the bearings 15 at the two ends of the connecting cylinder 12.

The rotor housing 7 is made of a magnetic material. So that the rotor housing 7 can be attracted by the magnet 6.

The implementation principle is as follows: the mounting rack 1 can be connected with a lifting device through a mounting hole on the bottom plate 101, and the lifting device can drive the whole cap screwing device to move up and down. During the use, the production line is once sent into two bottles of taking the bottle lid automatically, send to two spiral cover mechanisms department respectively, and cylinder 11 drives connecting axle 13 through connecting cylinder 12 and descends earlier the back and rises for the link 1301 of I-shaped drives the piece 14 of grabbing of two L shapes and opens earlier the back closure, presss from both sides tightly the bottle lid, through the steerable expansion angle of grabbing piece 14 of cylinder 11, thereby is applicable to the bottle lid of different bores. Then the motor 2 drives the two synchronous wheels 4 to rotate together through the driving wheel 17 and the synchronous belt 18, so that the motor 2 can drive the two cap screwing mechanisms to operate once, and the production efficiency is improved. The adjustable tensioning device is used for ensuring that the synchronous belt 18 is always in a tight state, so that the transmission accuracy is ensured. The synchronizing wheel 4 drives the stator outer sleeve 5 to rotate through the cap screwing shaft 3, the magnet 6, the rotor sleeve 7 and the rotor 8 are all arranged on the stator outer sleeve 5 and can be driven to synchronously rotate, and the rotor 8 can drive the cap screwing sleeve 10 to rotate through the composite copper sleeve 9, so that the grabbing piece 14 is driven to start cap screwing operation. And the bearing 15 in the connecting cylinder 12 can ensure that the cylinder 11 is not influenced when the connecting shaft 13 rotates. Adopt magnet 6 to adsorb and connect rotor bushing 7, rely on the screw thread to screw up the back when bottle lid and bottle spare, magnet 6 and rotor bushing 7 can take place relative rotation, avoid like this that the screw thread is twisted between bottle lid and bottle and is crossed, have guaranteed the spiral cover effect.

The present invention is not limited to the above specific embodiments, and for those skilled in the art, the above conception can be used without any creative work, and all the changes made fall within the protection scope of the present invention.

Claims

1. A cap screwing device comprises a mounting rack (1), and is characterized in that a motor (2) is mounted on the mounting rack (1), cap screwing mechanisms are symmetrically arranged on two sides of the motor (2), and the motor (2) is in transmission connection with the cap screwing mechanisms;

the cover screwing mechanism comprises a cover screwing shaft (3), a synchronizing wheel (4), a stator outer sleeve (5), a magnet (6), a rotor sleeve (7), a rotor (8), a composite copper sleeve (9), a cover screwing sleeve (10), a cylinder (11), a connecting cylinder (12) and a connecting shaft (13), wherein the cover screwing shaft (3) is rotatably arranged on the mounting frame (1), the synchronizing wheel (4) and the stator outer sleeve (5) are respectively sleeved at the top and the bottom of the cover screwing shaft (3), the synchronizing wheel (4) is driven by a motor (2), the rotor (8), the rotor sleeve (7) and the magnet (6) are sequentially arranged in the stator outer sleeve (5) from inside to outside, the two ends of the rotor (8) exceed the stator outer sleeve (5), the composite copper sleeve (9) is sleeved at the bottom of the rotor (8), the cover screwing sleeve (10) is connected below the composite copper sleeve (9), and two symmetrical and openable grasping pieces (14) are hinged on the cover screwing sleeve (10), cylinder (11) are fixed on mounting bracket (1), connecting cylinder (12) are fixed in the below of cylinder (11), and its inboard is equipped with bearing (15), the vertical setting of connecting axle (13), the top and bearing (15) of connecting axle (13) link to each other, and its bottom passes synchronizing wheel (4), spiral cover axle (3), rotor (8) and compound copper sheathing (9) in proper order after with grab piece (14) transmission and be connected.

2. The cap screwing device according to claim 1, wherein the mounting frame (1) comprises a bottom plate (101), a top plate (102) and a connecting rod (103), the top plate (102) is arranged above the side of the bottom plate (101) relatively, the top plate (102) is fixedly connected with the bottom plate (101) through the connecting rod (103), the bottom plate (101) is provided with a mounting hole, the motor (2) is vertically fixed on the bottom plate (101), the cylinder (11) is vertically fixed on the top plate (102), and the cap screwing shaft (3) is fixed on the bottom plate (101) through a bearing seat (16).

3. The cap screwing device according to claim 2, wherein the motor (2) is a servo motor, a driving wheel (17) is sleeved on the motor (2), and the two synchronous wheels (4) are in transmission connection with the driving wheel (17) through a synchronous belt (18).

4. The cap screwing device according to claim 3, wherein the motor (2) is provided with adjustable tensioning devices on both sides, the tensioning devices comprise a pulling plate (19), a bolt (20), a tensioning shaft (21) and a tensioning wheel (22), the pulling plate (19) is provided with a strip-shaped hole (1901) along the axial direction of the pulling plate, the bolt (20) passes through the strip-shaped hole (1901) to be connected with the bottom plate (101), the tensioning shaft (21) is vertically fixed on the pulling plate (19), the tensioning wheel (22) is rotatably sleeved on the tensioning shaft (21), and the tensioning wheel (22) is abutted to the synchronous belt (18).

5. The cap screwing device according to claim 1, wherein the bottom of the connecting shaft (13) is provided with an I-shaped connecting end (1301), and a space for the connecting end (1301) to move up and down is arranged in the cap screwing sleeve (10).

6. The screw cap device according to claim 5, wherein two grabbing pieces (14) are respectively arranged at two sides of the connecting end (1301), the grabbing pieces (14) are L-shaped, the corners of the grabbing pieces (14) are hinged with the screw cap sleeve (10), the grabbing pieces (14) are composed of a horizontal part (1401) and a vertical part (1402), the horizontal part (1401) is positioned in the side groove of the connecting end (1301), and the vertical part (1402) is positioned below the horizontal part (1401).

7. The cap screwing device according to claim 6, characterized in that the upper ends of the stator outer sleeves (5) are respectively provided with knurled locknuts (23), the knurled locknuts (23) being connected with the cap screwing sleeve (10).

8. The capping device according to claim 1, wherein a graduated locking disc (24) is arranged at the joint of the rotor (8) and the composite copper sleeve (9).

9. The screw cap device according to claim 1, wherein there are two bearings (15), and the two bearings (15) are fixed to the upper and lower ends of the connecting cylinder (12), respectively.

10. The screw cap device according to claim 1, wherein the rotor sleeve (7) is made of a magnetic material.