CN110422814B - Automatic cap screwing device - Google Patents
Automatic cap screwing device Download PDFInfo
- Publication number
- CN110422814B CN110422814B CN201910876268.4A CN201910876268A CN110422814B CN 110422814 B CN110422814 B CN 110422814B CN 201910876268 A CN201910876268 A CN 201910876268A CN 110422814 B CN110422814 B CN 110422814B
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- driving
- cap screwing
- chuck
- mounting sleeve
- sleeve
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- 230000007246 mechanism Effects 0.000 claims abstract description 79
- 230000002093 peripheral effect Effects 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 11
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67B—APPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
- B67B3/00—Closing bottles, jars or similar containers by applying caps
- B67B3/20—Closing bottles, jars or similar containers by applying caps by applying and rotating preformed threaded caps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Of Jars (AREA)
Abstract
The invention discloses an automatic cap screwing device, which comprises a base, a cap screwing mechanism, a driving mechanism and a lifting mechanism, wherein the base is provided with a cap screwing mechanism; the cap screwing mechanism is rotatably arranged on the base; the cap screwing mechanism comprises a chuck assembly arranged at the end part of the cap screwing mechanism; the driving mechanism is used for driving the cap screwing mechanism to operate, and the torque force of the driving mechanism is adjustable; the lifting mechanism is used for driving the chuck assembly of the cap screwing mechanism to be close to or far away from the bottle cap. According to the invention, the cover screwing mechanism, the driving mechanism and the lifting mechanism are arranged on the base, the cover screwing mechanism is driven to be close to or far away from the bottle cover through the lifting mechanism, and the cover screwing mechanism is driven to operate by the driving mechanism, so that the cover screwing is realized.
Description
Technical Field
The invention relates to the field of automatic packaging machinery, in particular to an automatic cap screwing device.
Background
At present, in the field of filling production, the bottle (200L plastic big barrel cross cover) with a plurality of longitudinal directions needs to be screwed and sealed, the common practice is to rely on manual operation to unload the cover and screw the cover, the workload is large, and the efficiency is low, the automatic production line speed is not kept up, some screwing equipment is available at present, but the torque force of the conveying parts of the screwing equipment is certain, if the torque force exceeds the limit value, the damage of products and equipment is easily caused, serious potential safety hazards exist, the chuck of the existing screwing equipment clamps the outer peripheral surface of the bottle cover through the clamping jaw, the clamping force needs to be large when screwing the cover, the large clamping force can lead to deformation of the bottle cover, even the bottle cover is damaged, and unnecessary waste is caused.
Therefore, there is a need to design an automatic cap screwing device to solve the above-mentioned problems.
Disclosure of Invention
The invention aims to provide an automatic cap screwing device which aims at overcoming the defects of the prior art.
The technical scheme for realizing the aim of the invention is as follows: an automatic cap screwing device comprises a base, a cap screwing mechanism, a driving mechanism and a lifting mechanism; the cap screwing mechanism is rotatably arranged on the base; the cap screwing mechanism comprises a chuck assembly arranged at the end part of the cap screwing mechanism; the driving mechanism is used for driving the cap screwing mechanism to operate, and the torque force of the driving mechanism is adjustable; the lifting mechanism is used for driving the chuck assembly of the cap screwing mechanism to be close to or far away from the bottle cap.
The cap screwing mechanism further comprises a mounting sleeve and a connecting rod arranged in the mounting sleeve in a sliding manner; the mounting sleeve is sleeved with a shaft sleeve; the shaft sleeve is rotationally connected with the base; the chuck component is fixedly connected to the bottom of the connecting rod.
A key groove is axially formed in the inner peripheral surface of the shaft sleeve; and a key which is in sliding connection with the key groove is arranged on the outer peripheral surface of the mounting sleeve.
The driving mechanism comprises a driving motor and a transmission shaft rotatably arranged on the base; a driving wheel is sleeved on the transmission shaft; the two sides of the driving wheel are sleeved with locking discs for clamping the driving wheel; a limiting block in threaded connection with the transmission shaft is arranged below the locking disc below the driving wheel, and an elastic piece is sleeved between the locking disc below the driving wheel and the limiting block; the shaft sleeve is provided with a driven wheel meshed with the driving wheel; the driving motor is used for driving the transmission shaft to operate.
The lifting mechanism comprises a driving cylinder arranged above the cap screwing mechanism; a connecting seat is fixed at the end part of a piston rod of the driving cylinder; the connecting seat is rotationally connected with the top of the connecting rod.
The chuck assembly comprises a chuck mounting sleeve; the top end surface of the connecting rod is provided with a vent hole communicated with the inner cavity of the chuck mounting sleeve; the inside of the chuck mounting sleeve is coaxially and slidably provided with a resettable ejector rod; the top of the ejection rod is tightly attached to the peripheral surface of the chuck mounting sleeve; the bottom of the chuck mounting sleeve is provided with a hollow chuck seat coaxially arranged; a boss is arranged at the bottom of the chuck seat; an ejection hole for the ejection rod to extend out is formed in the middle of the boss; two fixed chucks are arranged at the bottom of the chuck seat in mirror symmetry; two mounting grooves are formed between the two fixed chucks and the boss; two movable chucks which are in mirror symmetry are slidably arranged in the two mounting grooves; the end faces of the movable chucks, which are opposite to the bosses, are respectively provided with a contact column which extends into the ejection hole.
The bottom of the clamp seat is provided with a fixing ring; the inner peripheral surface of the fixed ring is provided with two gaps which are used for limiting the movement of the two movable chucks in a mirror symmetry mode.
An annular groove is formed in the peripheral surface of the clamp seat along the circumferential direction; the annular groove is intersected with the two mounting grooves; an elastic reset ring is arranged in the annular groove.
The inner bottom of the chuck mounting sleeve is provided with a supporting ring; a reset spring is sleeved on the ejection rod; the return spring is located between the top of the ejector rod and the support ring.
The device also comprises a protective cover arranged on one side of the base.
By adopting the technical scheme, the invention has the following beneficial effects: (1) According to the invention, the cover screwing mechanism, the driving mechanism and the lifting mechanism are arranged on the base, the cover screwing mechanism is driven by the lifting mechanism to be close to or far away from the bottle cover, and the cover screwing mechanism is driven by the driving mechanism to operate, so that the cover screwing is realized.
(2) The connecting rod is in sliding connection with the mounting sleeve, so that the stability of the up-and-down movement of the connecting rod is ensured.
(3) The invention is provided with the key groove along the axial direction on the inner peripheral surface of the shaft sleeve, and the outer peripheral surface of the mounting sleeve is provided with the key which is in sliding connection with the key groove, so that the mounting sleeve and the shaft sleeve are ensured to slip to influence the cap screwing when the cap is screwed.
(4) According to the invention, the driving wheel is fixed through the two locking discs, the torque force provided by the driving mechanism is regulated through regulating the pressure between the two locking discs, and when the torque force is overlarge, the driving wheel can slip, the driving force is stopped, and the safety of equipment is ensured.
(5) The invention is provided with the connecting seat, thereby being convenient for the connection between the lifting mechanism and the connecting rod.
(6) The invention is provided with two movable chucks, so that the chucks can be tightly attached to the cross grooves on the bottle cap, and the cap screwing effect is improved.
(7) The bottom of the chuck base is provided with the fixed ring, and the inner peripheral surface of the fixed ring is provided with two gaps for limiting the movement of the two movable chucks in a mirror symmetry mode, so that the movable chucks can be limited, and the damage to the bottle cap caused by larger stroke of the movable chucks is prevented.
(8) The invention is provided with the annular groove and the two mounting grooves along the circumferential direction on the outer circumferential surface of the clamp seat, the annular groove is internally provided with the elastic reset ring, and when the connecting rod is lifted after the cap screwing is completed, the elastic reset ring can reset the two movable clamps, so that the next cap screwing is convenient.
(9) According to the invention, the ejector rod is reset through the reset spring, so that the ejector rod is convenient to reset better.
(10) The invention is provided with the protective cover so as to ensure the safety of equipment.
Drawings
In order that the invention may be more readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings, in which
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the structure of the present invention with the protective cover removed.
FIG. 3 is a schematic view of the chuck assembly of the present invention.
FIG. 4 is a schematic view of the internal structure of the chuck assembly according to the present invention.
Fig. 5 is a cross-sectional view of the present invention.
The reference numerals in the drawings are:
The device comprises a base 1, a screw cap mechanism 2, a chuck assembly 2-1, a chuck installation sleeve 2-1-1, an ejector rod 2-1-2, a chuck base 2-1-3, a boss 2-1-4, a fixed chuck 2-1-5, an installation groove 2-1-6, a movable chuck 2-1-7, a contact post 2-1-8, a fixed ring 2-1-9 annular groove 2-1-10, a support ring 2-1-11, a return spring 2-1-12, an installation sleeve 2-2, a connecting rod 2-3, a shaft sleeve 2-4, a key slot 2-4-1, a driving mechanism 3-1, a driving shaft 3-2, a driving wheel 3-3, a locking disc 3-4, a limiting block 3-5, an elastic piece 3-6, a driven wheel 3-7, a lifting mechanism 4, a driving cylinder 4-1, a connecting seat 4-2 and a protective cover 5.
Detailed Description
Example 1
Referring to fig. 1 to 5, the automatic cap screwing apparatus of the present embodiment includes a base 1, a cap screwing mechanism 2, a driving mechanism 3, and a lifting mechanism 4.
Further, the cap screwing mechanism 2 is rotatably mounted on the base 1. The cap screwing mechanism 2 comprises a chuck assembly 2-1 arranged at the end part of the cap screwing mechanism 2. The collet assembly 2-1 is a cross-shaped collet. The driving mechanism 3 is used for driving the cap screwing mechanism 2 to operate, and the torsion of the driving mechanism 3 is adjustable. The lifting mechanism 4 is used for driving the chuck assembly 2-1 of the cap screwing mechanism 2 to approach or separate from the bottle cap.
Further, the cap screwing mechanism 2 further comprises a mounting sleeve 2-2 and a connecting rod 2-3 arranged in the mounting sleeve 2-2 in a sliding manner. The sleeve 2-4 is sleeved outside the mounting sleeve 2-2. The shaft sleeve 2-4 is rotatably connected with the base 1. The chuck assembly 2-1 is fixedly connected to the bottom of the connecting rod 2-3.
Further, a key groove 2-4-1 is provided on the inner peripheral surface of the sleeve 2-4 in the axial direction. The outer peripheral surface of the mounting sleeve 2-2 is provided with a key which is in sliding connection with the key groove 2-4-1 so as to ensure that the mounting sleeve 2-2 can only slide up and down and cannot rotate.
Further, the driving mechanism 3 includes a driving motor 3-1 and a transmission shaft 3-2 rotatably mounted on the base 1. The driving wheel 3-3 is sleeved on the driving shaft 3-2. The two sides of the driving wheel 3-3 are respectively sleeved with a locking disc 3-4 for clamping the driving wheel 3-3. A limiting block 3-5 in threaded connection with the transmission shaft 3-2 is arranged below the locking disc 3-4 below the driving wheel 3-3, an elastic piece 3-6 is sleeved between the locking disc 3-4 below the driving wheel 3-3 and the limiting block 3-7, and the elastic piece 3-6 is preferably a spring. The shaft sleeve 2-4 is provided with a driven wheel 3-7 meshed with the driving wheel 3-3. The driving motor 3-1 is used for driving the transmission shaft 3-2 to operate. The drive motor 3-1 is preferably a clutch motor.
Further, the lifting mechanism 4 comprises a driving cylinder 4-1 arranged above the cap screwing mechanism 2. The driving cylinder 4-1 is preferably a cylinder. The end of the piston rod of the driving cylinder 4-1 is fixed with a connecting seat 4-2. The connecting seat 4-2 is rotationally connected with the top of the connecting rod 2-3.
Further, the collet assembly 2-1 includes a collet mounting sleeve 2-1-1. The top end surface of the connecting rod 2-3 is provided with a vent hole which is communicated with the inner cavity of the chuck mounting sleeve 2-1-1. The inside of the chuck mounting sleeve 2-1-1 is coaxially and slidably provided with a resettable ejector rod 2-1-2. And the top of the ejector rod 2-1-2 is tightly attached to the peripheral surface of the chuck mounting sleeve 2-1-1. The bottom of the chuck mounting sleeve 2-1-1 is provided with a hollow chuck seat 2-1-3 coaxially arranged. The bottom of the clamp seat 2-1-3 is provided with a boss 2-1-4. The middle part of the boss 2-1-4 is provided with an ejection hole for the ejection rod 2-1-2 to extend out. The bottom of the clamp seat 2-1-3 is provided with two fixed clamps 2-1-5 in mirror symmetry. Two mounting grooves 2-1-6 are formed between the two fixed chucks 2-1-5 and the boss 2-1-4. Two movable chucks 2-1-7 which are mirror symmetry are slidably arranged in the two mounting grooves 2-1-6. The end surfaces of the movable chucks 2-1-7 opposite to the bosses 2-1-4 are respectively provided with a contact column 2-1-8 extending into the ejection holes.
Further, a fixing ring 2-1-9 is arranged at the bottom of the clamp seat 2-1-3. The inner peripheral surface of the fixed ring 2-1-9 is provided with two gaps which are used for limiting the movement of the two movable chucks 2-1-7 in a mirror symmetry mode, so that the movable chucks 2-1-7 can be limited, and the damage to the bottle cap caused by the larger stroke of the movable chucks 2-1-7 is prevented.
Further, annular grooves 2-1-10 are formed in the circumferential direction on the outer circumferential surface of the holder base 2-1-3. The annular grooves 2-1-10 intersect with two mounting grooves 2-1-6. An elastic reset ring is arranged in the annular groove 2-1-10, and when the connecting rod is lifted after the cap is screwed, the elastic reset ring can reset the two movable chucks 2-1-7, so that the next cap screwing is facilitated.
Further, a supporting ring 2-1-11 is arranged at the inner bottom of the chuck mounting sleeve 2-1-1. The ejector rod 2-1-2 is sleeved with a return spring 2-1-12. The reset spring 2-1-12 is positioned between the top of the ejector rod 2-1-2 and the supporting ring 2-1-11, and the reset spring 2-1-12 is arranged so that the ejector rod 2-1-2 can be reset better.
Further, a protective cover 5 is provided on one side of the base 1 to ensure the safety of the apparatus.
The working process of the automatic cap screwing device of the embodiment is as follows: firstly, the base 1 is fixed above the cap screwing tool, the chuck assembly 2-1 is located right above a bottle, then the lifting mechanism 4 drives the connecting rod 2-3 to descend, the chuck assembly 2-1 can correspond to a cross-shaped groove on the bottle cap, then ventilation is carried out in a vent hole on the top end face of the connecting rod 2-3, the ejector rod 2-1-2 descends, the ejector rod 2-1-2 ejects two movable chucks 2-1-7 so as to tightly prop up the cross cap, then the connecting rod 2-3 rotates under the action of the driving mechanism 3, so that cap screwing is achieved, in the cap screwing process, the pressure between the two locking discs 3-4 can be regulated to regulate the torque force output by the driving mechanism 3, and when the torque force reaches a limit value, the driving wheel 3-3 of the driving mechanism 3 can slip, so that equipment and the bottle cap are prevented from being damaged.
While the foregoing is directed to embodiments of the present invention, other and further details of the invention may be had by the present invention, it should be understood that the foregoing description is merely illustrative of the present invention and that no limitations are intended to the scope of the invention, except insofar as modifications, equivalents, improvements or modifications are within the spirit and principles of the invention.
Claims (7)
1. An automatic cap screwing device is characterized in that: comprises a base (1), a cap screwing mechanism (2), a driving mechanism (3) and a lifting mechanism (4); the cap screwing mechanism (2) is rotatably arranged on the base (1); the screw cap mechanism (2) comprises a chuck assembly (2-1) arranged at the end part of the screw cap mechanism (2), a mounting sleeve (2-2) and a connecting rod (2-3) arranged in the mounting sleeve (2-2) in a sliding manner; the sleeve (2-4) is sleeved outside the mounting sleeve (2-2); the shaft sleeve (2-4) is rotationally connected with the base (1); the chuck assembly (2-1) is fixedly connected to the bottom of the connecting rod (2-3); the driving mechanism (3) is used for driving the cap screwing mechanism (2) to operate, and the torsion of the driving mechanism (3) can be adjusted; the lifting mechanism (4) is used for driving the chuck assembly (2-1) of the cap screwing mechanism (2) to be close to or far away from the bottle cap;
The chuck assembly (2-1) comprises a chuck mounting sleeve (2-1-1); the top end surface of the connecting rod (2-3) is provided with a vent hole communicated with the inner cavity of the chuck mounting sleeve (2-1-1); the inside of the chuck mounting sleeve (2-1-1) is coaxially and slidably provided with a resettable ejector rod (2-1-2); the top of the ejector rod (2-1-2) is tightly attached to the peripheral surface of the chuck mounting sleeve (2-1-1); the bottom of the chuck mounting sleeve (2-1-1) is provided with a hollow chuck seat (2-1-3) coaxially; a boss (2-1-4) is arranged at the bottom of the chuck seat (2-1-3); an ejection hole for the ejection rod (2-1-2) to extend out is formed in the middle of the boss (2-1-4); two fixed chucks (2-1-5) are arranged at the bottom of the chuck seat (2-1-3) in mirror symmetry; two mounting grooves (2-1-6) are formed between the two fixed chucks (2-1-5) and the boss (2-1-4); two movable chucks (2-1-7) which are mirror symmetry are slidably arranged in the two mounting grooves (2-1-6); the end faces of the movable chucks (2-1-7) opposite to the bosses (2-1-4) are respectively provided with a contact column (2-1-8) extending into the ejection holes;
The lifting mechanism (4) comprises a driving cylinder (4-1) arranged above the cap screwing mechanism (2); a connecting seat (4-2) is fixed at the end part of a piston rod of the driving cylinder (4-1); the connecting seat (4-2) is rotationally connected with the top of the connecting rod (2-3).
2. An automatic cap screwing device according to claim 1, characterized in that: a key groove (2-4-1) is arranged on the inner peripheral surface of the shaft sleeve (2-4) along the axial direction; the outer peripheral surface of the mounting sleeve (2-2) is provided with a key which is in sliding connection with the key groove (2-4-1).
3. An automatic cap screwing device according to claim 1, characterized in that: the driving mechanism (3) comprises a driving motor (3-1) and a transmission shaft (3-2) rotatably arranged on the base (1); a driving wheel (3-3) is sleeved on the transmission shaft (3-2); both sides of the driving wheel (3-3) are sleeved with locking discs (3-4) for clamping the driving wheel (3-3); a limiting block (3-5) in threaded connection with the transmission shaft (3-2) is arranged below the locking disc (3-4) below the driving wheel (3-3), and an elastic piece (3-6) is sleeved between the locking disc (3-4) below the driving wheel (3-3) and the limiting block (3-5); the shaft sleeve (2-4) is provided with a driven wheel (3-7) meshed with the driving wheel (3-3); the driving motor (3-1) is used for driving the transmission shaft (3-2) to operate.
4. An automatic cap screwing device according to claim 1, characterized in that: the bottom of the chuck seat (2-1-3) is provided with a fixed ring (2-1-9); the inner peripheral surface of the fixed ring (2-1-9) is provided with two gaps which are used for limiting the movement of the two movable chucks (2-1-7) in a mirror symmetry mode.
5. An automatic cap screwing device according to claim 1, characterized in that: an annular groove (2-1-10) is formed in the peripheral surface of the chuck seat (2-1-3) along the circumferential direction; the annular grooves (2-1-10) are intersected with the two mounting grooves (2-1-6); an elastic reset ring is arranged in the annular groove (2-1-10).
6. An automatic cap screwing device according to claim 1, characterized in that: the inner bottom of the chuck mounting sleeve (2-1-1) is provided with a supporting ring (2-1-11); the ejector rod (2-1-2) is sleeved with a return spring (2-1-12); the return spring (2-1-12) is positioned between the top of the ejector rod (2-1-2) and the support ring (2-1-11).
7. An automatic cap screwing device according to any one of claims 1-6, wherein: the device also comprises a protective cover (5) arranged on one side of the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910876268.4A CN110422814B (en) | 2019-09-17 | 2019-09-17 | Automatic cap screwing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910876268.4A CN110422814B (en) | 2019-09-17 | 2019-09-17 | Automatic cap screwing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110422814A CN110422814A (en) | 2019-11-08 |
| CN110422814B true CN110422814B (en) | 2024-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910876268.4A Active CN110422814B (en) | 2019-09-17 | 2019-09-17 | Automatic cap screwing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN110422814B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3954503B1 (en) | 2020-08-13 | 2023-06-07 | Böllhoff Verbindungstechnik GmbH | Installation device for an installation tool for a wire thread insert and installation method |
| CN112620439B (en) * | 2020-12-11 | 2021-09-17 | 湖南诺贝斯特科技有限公司 | Automatic seaming system and seaming method thereof |
| CN112454220A (en) * | 2020-12-11 | 2021-03-09 | 湖南诺贝斯特科技有限公司 | Automatic positioning device for ignition body |
| CN114572919A (en) * | 2022-02-24 | 2022-06-03 | 广东同地科技有限公司 | Screwing mechanism and control method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201062195Y (en) * | 2007-04-30 | 2008-05-21 | 长沙楚天科技有限公司 | Rotary cap device |
| CN205400207U (en) * | 2016-03-03 | 2016-07-27 | 黄河科技学院 | Power transmission and moment of torsion limiting mechanism of telescopic year sweep transition device of machinery |
| CN208883441U (en) * | 2018-09-05 | 2019-05-21 | 东莞市易驰自动化设备有限公司 | A kind of bottle cap unscrewing test device |
| CN210480817U (en) * | 2019-09-17 | 2020-05-08 | 江苏汤姆森智能装备有限公司 | Automatic cap screwing device |
-
2019
- 2019-09-17 CN CN201910876268.4A patent/CN110422814B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201062195Y (en) * | 2007-04-30 | 2008-05-21 | 长沙楚天科技有限公司 | Rotary cap device |
| CN205400207U (en) * | 2016-03-03 | 2016-07-27 | 黄河科技学院 | Power transmission and moment of torsion limiting mechanism of telescopic year sweep transition device of machinery |
| CN208883441U (en) * | 2018-09-05 | 2019-05-21 | 东莞市易驰自动化设备有限公司 | A kind of bottle cap unscrewing test device |
| CN210480817U (en) * | 2019-09-17 | 2020-05-08 | 江苏汤姆森智能装备有限公司 | Automatic cap screwing device |
Also Published As
| Publication number | Publication date |
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| CN110422814A (en) | 2019-11-08 |
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