CN215625955U

CN215625955U - Conical top air expansion shaft mechanism on printing machine

Info

Publication number: CN215625955U
Application number: CN202121714241.4U
Authority: CN
Inventors: 段勇
Original assignee: Shaanxi Outai Printing And Packaging Machinery Co ltd
Current assignee: Shaanxi Outai Printing And Packaging Machinery Co ltd
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2022-01-25
Anticipated expiration: 2031-07-26

Abstract

The utility model belongs to the technical field of printing machinery, and particularly relates to a conical top air expansion shaft mechanism on a printing machine. The cone top air expansion shaft mechanism omits two cone heads, and the air expansion shaft can be directly driven to rotate through the fixed sleeve, so that the structure is simplified, and the cost is saved.

Description

Conical top air expansion shaft mechanism on printing machine

Technical Field

The utility model belongs to the technical field of printing machinery, and particularly relates to a conical top air expansion shaft mechanism on a printing machine.

Background

In the raw material receiving and discharging structure of the printing machine, the conical top device is complex in structure and large in size, the process is complex in part machining process, the number of machining procedures is large, the technical requirements for workers are high, and in the aspect of economy, the manufacturing cost is high due to the fact that the conical top device is large in size and complex in manufacturing process. The former material shaft clamping is that the conical top shafts at two ends of the wallboard are directly propped against two ends of the material shaft to automatically align and clamp, and the processing requirement of the conical top shafts in the structure is very high, and the production cost is higher. The previous clamping cylinder has a complex structure and poor sealing performance, and can generate air leakage after long-term use, thereby influencing the continuous production.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a conical top air expansion shaft mechanism on a printing machine.

The utility model is realized by the following technical scheme: the utility model provides a conical crown inflatable shaft mechanism on printing machine, includes the revolving arm of both sides, is provided with clamping mechanism on the revolving arm, one side of revolving arm sets up cylinder clamping structure, and the opposite side sets up manual fine-tuning, and the both ends of inflatable shaft are provided with the toper locating surface, and wherein the tip of the toper locating surface of one end is provided with square power transmission portion, and square power transmission portion passes through the power input gear of transmission hub connection.

In the scheme, the cylinder clamping structure comprises a sleeve cup M, a cylinder and a conical top shaft, the sleeve cup M is fixed on the rotary arm, the cylinder is connected to the outer side of the sleeve cup M, a sliding sleeve capable of sliding in the sleeve cup M is arranged inside the sleeve cup M, the conical top shaft is fixed in the sliding sleeve through a bearing, and a conical hole matched with the conical positioning surface on the air expansion shaft is formed in the end portion of the conical top shaft.

In the scheme, the outer end face of the sliding sleeve is provided with the joint, the joint is provided with the inner hole, the end head of the ejector rod of the air cylinder is provided with the external thread, and the ejector rod of the air cylinder penetrates through the inner hole of the joint and is fixed by the nut.

In the scheme, the manual fine adjustment mechanism comprises a sleeve cup G with a radial opening, a transmission shaft and a hand wheel, the sleeve cup G is fixed on the rotary arm, a power input gear is arranged at the radial opening of the sleeve cup G through a bearing and fixed on the transmission shaft, a fixed sleeve is fixed at the end part of the inner side of the transmission shaft through a connecting disc, a square hole and a conical hole which are matched with a conical positioning surface and a square power transmission part on the air expansion shaft are arranged on the fixed sleeve, and the hand wheel for driving the transmission shaft to move axially is arranged at the end part of the outer side of the transmission shaft.

In the above scheme, the end face of the hand wheel is connected with a locating sleeve, an internal thread is arranged on the locating sleeve, a gland is arranged on the outer circle of the transmission shaft, and an external thread matched with the internal thread of the locating sleeve is arranged on the outer circle of the gland.

In the scheme, the locking block is arranged between the positioning sleeve and the sleeve cup G, and the positioning sleeve is rotatably fixed on the end face of the outer side of the sleeve cup G by the locking block.

In the scheme, the end face of the inner side of the sleeve cup G is fixedly provided with the bracket, and the bracket plays a role of auxiliary support before the air expansion shaft is installed.

In the scheme, the connecting disc is welded at the end part of the inner side of the transmission shaft, and the fixed sleeve is connected with the connecting disc through a screw.

Compared with the prior art, the cone top air expansion shaft mechanism on the printing machine has the beneficial effects that:

1. the manual fine adjustment mechanism is composed of the transmission shaft, the positioning sleeve and the gland, the hand wheel is adjusted to enable the transmission shaft to move back and forth, the function of manually adjusting and clamping the air expansion shaft is achieved, the sleeve device is greatly simplified in structure, and on the premise of meeting the use requirement, the structure is lightened, and the universality is enhanced.

2. The cylinder clamping structure formed by the cylinder, the conical top shaft and the sliding sleeve is simple to manufacture, the whole size of the structure is reduced, the sealing performance is good, meanwhile, materials are saved, the cost is reduced, the assembly is simple, and the maintenance is simple and convenient.

3. The cone top air expansion shaft mechanism omits two cone heads, and the air expansion shaft can be directly driven to rotate through the fixed sleeve, so that the cost is saved to a certain extent.

Drawings

Fig. 1 is a schematic structural diagram of a cone top air expansion shaft mechanism on a printing machine according to the utility model.

In the figure: 1. the device comprises a hand wheel, 2. a positioning sleeve, 3. a gland, 4. a power input gear, 5. a sleeve cup G, 6. a rotary arm, 7. a fixed sleeve, 8. a square power transmission part, 9. a conical positioning surface, 10. an air expansion shaft, 11. a conical hole, 12. a sleeve cup M, 13. a sliding sleeve, 14. a conical top shaft, 15. a joint, 16. an air cylinder, 17. a bracket, 18. a transmission shaft, 19. a locking block and 20. a connecting disc.

Detailed Description

The utility model is further described with reference to the following figures and embodiments:

fig. 1 is a schematic structural diagram of a cone top air expansion shaft on a printing machine. In the figure, the conical top air-expansion shaft mechanism on the printing machine comprises rotary arms 6 on two sides, a clamping mechanism is arranged on each rotary arm 6, an air cylinder clamping structure is arranged on one side of each rotary arm and comprises a sleeve cup M12, an air cylinder 16 and a conical top shaft 14, the sleeve cup M12 is fixed on each rotary arm 6, the air cylinder 16 is connected to the right side of each sleeve cup M12, a sliding sleeve 13 capable of sliding in each sleeve cup M is arranged inside each sleeve cup M12, the conical top shaft 14 is fixed in each sliding sleeve 13 through a bearing, a conical hole 11 matched with an upper conical positioning surface 9 of each air-expansion shaft is formed in the end portion of each conical top shaft 14, a connector 15 is arranged on the outer end face of each sliding sleeve 13, an inner hole is formed in each connector 15, an outer thread is arranged at the end of an ejector rod of each air cylinder 16, and the ejector rod of each air cylinder penetrates through the corresponding connector inner hole and is fixed through a nut.

The other side of the rotary arm is provided with a manual fine adjustment mechanism, the manual fine adjustment mechanism comprises a sleeve cup G5 with a radial opening, a transmission shaft 18 and a hand wheel 1, the sleeve cup G5 is fixed on the rotary arm 6, a power input gear 4 is arranged at a radial opening part of the sleeve cup G5 through a bearing, the power input gear 4 is fixed on the transmission shaft 18, the right end part of the transmission shaft 18 is fixedly provided with a fixed sleeve 7 through a connecting disc 20, the connecting disc 20 is welded at the inner side end part of the transmission shaft 18, and the fixed sleeve 7 is connected with the connecting disc 20 through a screw. The fixed sleeve 7 is provided with a square hole and a conical hole which are matched with the conical positioning surface 9 and the square power transmission part 8 on the inflatable shaft, and the left end part of the transmission shaft 18 is provided with a hand wheel 1 for driving the transmission shaft 18 to move axially. The end face of the hand wheel 1 is connected with a locating sleeve 2, an internal thread is arranged on the locating sleeve 2, a gland 3 is arranged on the outer circle of the transmission 18, and an external thread matched with the internal thread of the locating sleeve is arranged on the outer circle of the gland 3. A locking block 19 is arranged between the positioning sleeve 2 and the sleeve cup 5, and the locking block 19 can rotatably fix the positioning sleeve 2 on the left end face of the sleeve cup G5. A bracket 17 is fixed on the right end face of the sleeve cup G5, and the bracket 17 plays a role of auxiliary support before the inflatable shaft is installed.

When the pneumatic shaft clamping device is used, one end of the pneumatic shaft with the square power transmission part 8 faces one side of the manual fine adjustment mechanism, the other end of the pneumatic shaft is aligned with the conical hole 11 in the conical top shaft, and the air cylinder 16 is started to clamp the pneumatic shaft. During operation, if the center of the material shaft is not centered, the hand wheel 1 is rotated to drive the transmission shaft 18 to move transversely to adjust the center centering of the material shaft.

The cone top air expansion shaft mechanism omits two cone heads, and the air expansion shaft can be directly driven to rotate through the fixed sleeve, so that the structure is simplified, and the cost is saved.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a conical crown inflatable shaft mechanism on printing machine, includes swivel arm (6) of both sides, is provided with clamping mechanism on swivel arm (6), its characterized in that: one side of the rotary arm (6) is provided with a cylinder clamping structure, the other side of the rotary arm is provided with a manual fine adjustment mechanism, two ends of the air expansion shaft (10) are provided with conical positioning surfaces (9), the end part of the conical positioning surface at one end is provided with a square power transmission part (8), and the square power transmission part (8) is connected with the power input gear (4) through a transmission shaft (18).

2. The cone top air expansion shaft mechanism on the printing machine as claimed in claim 1, wherein: the cylinder clamping structure comprises a sleeve cup M (12), a cylinder (16) and a conical top shaft (14), the sleeve cup M (12) is fixed on the rotary arm (6), the cylinder (16) is connected to the outer side of the sleeve cup M (12), a sliding sleeve (13) capable of sliding in the sleeve cup M is arranged inside the sleeve cup M (12), the conical top shaft (14) is fixed in the sliding sleeve (13) through a bearing, and a conical hole (11) matched with an air expansion shaft upper conical positioning surface (9) is formed in the end portion of the conical top shaft (14).

3. The cone top air expansion shaft mechanism on the printing machine as claimed in claim 2, wherein: a joint (15) is arranged on the outer end face of the sliding sleeve (13), an inner hole is formed in the joint (15), an outer thread is arranged at the end of an ejector rod of the air cylinder (16), and the ejector rod of the air cylinder penetrates through the inner hole of the joint and is fixed through a nut.

4. The cone top air expansion shaft mechanism on the printing machine as claimed in claim 1, wherein: the manual fine adjustment mechanism comprises a sleeve cup G (5) with a radial opening, a transmission shaft (18) and a hand wheel (1), the sleeve cup G (5) is fixed on a rotary arm (6), a power input gear (4) is arranged at a radial opening part of the sleeve cup G (5) through a bearing, the power input gear (4) is fixed on the transmission shaft (18), a fixing sleeve (7) is fixed at the inner side end part of the transmission shaft (18) through a connecting disc (20), a square hole and a conical hole which are matched with an air expansion shaft upper conical positioning surface (9) and a square power transmission part (8) are arranged on the fixing sleeve (7), and the hand wheel (1) for driving the transmission shaft to move axially is arranged at the outer side end part of the transmission shaft (18).

5. The cone top air expansion shaft mechanism on the printing machine as claimed in claim 4, wherein: the end face of the hand wheel (1) is connected with a locating sleeve (2), an internal thread is arranged on the locating sleeve (2), a gland (3) is arranged on the excircle of the transmission shaft, and an external thread matched with the internal thread of the locating sleeve (2) is arranged on the excircle of the gland (3).

6. The cone top air expansion shaft mechanism on the printing machine as claimed in claim 5, wherein: a locking block (19) is arranged between the positioning sleeve (2) and the sleeve cup G (5), and the positioning sleeve (2) is rotatably fixed on the end face of the outer side of the sleeve cup G (5) through the locking block (19).

7. The cone top air expansion shaft mechanism on the printing machine as claimed in claim 4, wherein: and a bracket (17) is fixed on the end surface of the inner side of the sleeve cup G (5), and the bracket (17) plays a role of auxiliary support before the air expansion shaft is installed.

8. The cone top air expansion shaft mechanism on the printing machine as claimed in claim 4, wherein: the connecting disc (20) is welded at the end part of the inner side of the transmission shaft (18), and the fixing sleeve (7) is connected with the connecting disc (20) through a screw.