CN214866489U

CN214866489U - Outer barrel spinning feeding device of vertical multi-stage pump

Info

Publication number: CN214866489U
Application number: CN202023132208.9U
Authority: CN
Inventors: 胡永忠; 杨清云; 何毅; 张锡淼
Original assignee: Shanghai Liancheng Group Co Ltd
Current assignee: Shanghai Liancheng Group Co Ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-11-26
Anticipated expiration: 2030-12-23

Abstract

The utility model relates to an outer barrel spinning feeding device of vertical multistage pump, including tip module and operation module, the tip module includes pinch roller seat, feed wheel axle, feed wheel and radial ball bearing, the feed wheel axle is installed at the front end of pinch roller seat, the feed wheel is installed at one end of feed wheel axle, radial ball bearing sets up between feed wheel axle and feed wheel; the operation module comprises a hand wheel mechanism, a first gear, a second gear, a feed screw and a slider seat, a square hole cavity is arranged in the slider seat, one end of the feed screw is fixed in the square hole cavity, the other end of the feed screw penetrates through the end wall of the slider seat and then is fixedly connected with the first gear, and the hand wheel mechanism is fixed with the second gear and is rotationally connected with the slider seat; the rear end of the pressing wheel seat extends into the square hole cavity and is provided with a threaded hole for being screwed with the feeding screw rod. Compared with the prior art, the utility model has the advantages of spinning feeds steadily, laborsaving and easily operation, is showing improvement production efficiency.

Description

Outer barrel spinning feeding device of vertical multi-stage pump

Technical Field

The utility model belongs to the technical field of the outer barrel of vertical multistage pump is made and specifically relates to an outer barrel spinning feeding device of vertical multistage pump is related to.

Background

In the manufacturing process of the vertical multi-stage pump, the outer cylinder of the multi-stage pump needs to be spun. The conventional mode usually adopts a special machine scheme to carry out spinning processing, so that the working stability is low, the feeding is difficult to control, the time and the labor are wasted, the cost of the special machine is high, and the production efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an outer barrel spinning feeding device of vertical multistage pump in order to overcome the defect that above-mentioned prior art exists, improve the stability that spinning fed.

The purpose of the utility model can be realized through the following technical scheme:

the spinning feeding device for the outer cylinder of the vertical multistage pump comprises an end module and an operation module, wherein the end module comprises a pressure wheel seat, a feed wheel shaft, a feed wheel and a radial ball bearing, the feed wheel shaft is arranged at the front end of the pressure wheel seat, the feed wheel is arranged at one end of the feed wheel shaft, and the radial ball bearing is arranged between the feed wheel shaft and the feed wheel; the operation module comprises a hand wheel mechanism, a first gear, a second gear, a feeding screw and a slider seat, a square hole cavity is formed in the slider seat, one end of the feeding screw is arranged in the square hole cavity, the other end of the feeding screw penetrates through the end wall of the slider seat and then is fixedly connected with the first gear, the hand wheel mechanism is fixedly provided with the second gear and is rotatably connected with the slider seat, and the feeding screw is driven to rotate through the first gear and the second gear which are meshed with each other by the rotation of the hand wheel mechanism; the rear end of the pressing wheel seat extends into the square hole cavity and is in sliding connection with the inner wall of the square hole cavity, and a threaded hole is formed in the rear end of the pressing wheel seat and is used for being in screwed connection with the feeding screw rod.

Furthermore, a thrust ball bearing is arranged on the feed wheel shaft and is positioned between the radial ball bearing and the pinch roller seat.

Furthermore, the hand wheel mechanism comprises a hand wheel disc, a hand wheel shaft and a shaft sleeve, one end of the hand wheel shaft is rotatably connected with the sliding block seat, the hand wheel disc is fixed at the other end of the hand wheel shaft, the second gear is installed on the hand wheel shaft, the shaft sleeve is installed between the second gear and the hand wheel disc, and a thrust ball bearing is installed between the second gear and the sliding block seat.

Furthermore, an eccentric handle is arranged on the hand wheel disc.

Furthermore, a through hole is formed in the end wall of the sliding block seat, and a hand wheel shaft step is connected to one end of the hand wheel shaft after penetrating through the through hole.

Furthermore, a thrust ball bearing is arranged between the step of the hand wheel shaft and the end wall of the sliding block seat.

Further, the slider seat comprises a slider seat body and a slider end cover which are connected with each other.

Furthermore, the feed screw comprises a screw thread section and a screwing section, a limiting step is arranged at the joint of the screw thread section and the screwing section, the screwing section penetrates through the end wall of the sliding block seat, a thrust ball bearing is arranged between the end wall of the sliding block seat and the limiting step, the first gear is fixed on the screwing section, and the thrust ball bearing is also arranged between the first gear and the end wall of the sliding block seat.

Further, balance nuts are arranged on the opposite ends of the feed wheel shaft, wherein the opposite ends of the feed wheel shaft are provided with the balance nuts.

Further, the diameter of the first gear is larger than the diameter of the second gear.

Compared with the prior art, the utility model discloses a design tip module and operating module, operating module adopts hand wheel mechanism and lead screw structure's combination to drive the tip module and feeds for spinning feeds steadily, laborsaving and easily operation, is showing improvement production efficiency, reduces special plane manufacturing cost.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the usage state of the present invention.

Reference numerals: 1. the device comprises an end module, 11, a pressure wheel seat, 12, a feed wheel shaft, 13, a feed wheel, 14, a radial ball bearing, 15, a balance nut, 2, an operation module, 21, a hand wheel mechanism, 211, a hand wheel disc, 212, a hand wheel shaft, 213, a shaft sleeve, 214, an eccentric handle, 22, a first gear, 23, a second gear, 24, a feed screw, 24a, a thread section, 24b, a screwing section, 241, a limit step, 25, a slider seat, 25a, a slider seat body, 25b, a slider end cover, 251, a square hole cavity, 26, a hand wheel shaft step, 3, a thrust ball bearing, 4, an outer cylinder body, 5 and a supporting structure.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

As shown in fig. 1, the present embodiment provides an outer cylinder spinning feeding apparatus of a vertical multistage pump, which includes an end module 1 and an operation module 2.

The end module 1 comprises a press wheel seat 11, a feed wheel shaft 12, a feed wheel 13 and a radial ball bearing 14. The feed wheel shaft 12 is mounted on the front end of the pinch roller holder 11. The feed wheel 13 is installed at the left end of the feed wheel shaft 12, and the right end of the feed wheel shaft 12 passes through the front end of the pressure wheel seat 11 and then is fixed by two balance nuts 15. A radial ball bearing 14 is disposed between feedwheel shaft 12 and feedwheel 13 such that feedwheel 13 is able to rotate about feedwheel shaft 12. And a thrust ball bearing 3 is also arranged on the feed wheel shaft 12, and the thrust ball bearing 3 is positioned between the radial ball bearing 14 and the pinch roller seat 11 and plays a role in supporting and strengthening.

The operating module 2 comprises a hand wheel mechanism 21, a first gear 22, a second gear 23, a feed screw 24 and a slider holder 25. The slider holder 25 includes a slider holder body 25a and a slider end cover 25 b. The slider holder body 25a and the slider end cover 25b are bolted to each other. A square hole 251 is arranged in the slider seat 25, the front end of the feed screw 24 is arranged in the square hole 251, and the rear end of the feed screw passes through the end wall of the slider seat 25 and is fixedly connected with the first gear 22. The end wall of the slider seat 25 is a slider end cap 25b in this embodiment. The hand wheel mechanism 21 is fixed with a second gear 23 and is rotationally connected with a slider seat 25. The first gear 22 and the second gear 23 are meshed with each other. The rear end of the pressure wheel seat 11 extends into the square hole cavity 251 and is connected with the inner wall of the square hole cavity 251 in a sliding mode. The rear end of the pinch roller seat 11 is provided with a threaded hole for screwing with the front end of the feed screw 24. Thus, rotation of the hand wheel mechanism 21 rotates the feed screw 24 via the first gear 22 and the second gear 23, thereby achieving linear sliding of the pressing wheel seat 11 within the square bore 251, so that the feed wheel 13 of the end module 1 can abut against the spinning outer cylinder 4. In this embodiment, the diameter of the first gear 22 is larger than that of the second gear 23, and the small gear drives the large gear to improve the operation stability of the feeding motion.

In the present embodiment, the feed screw 24 specifically includes a threaded section 24a and a screw-on section 24 b. The joint of the threaded section 24a and the screwing section 24b is provided with a limiting step 241, and the screwing section 24b penetrates through the sliding seat end cover 25 b. A thrust ball bearing 3 is provided between the slider end cover 25b and the limit step 241. The first gear 22 is fixed on the outer side of the rotary joint section 24b, and is located outside the slider seat 25, and a thrust ball bearing 3 is also arranged between the first gear 22 and the slider end cover 25 b.

In this embodiment, the hand wheel mechanism 21 includes a hand wheel disc 211, a hand wheel axle 212, and a bushing 213. One end of a hand wheel shaft 212 is rotatably connected with the slider seat 25, and a hand wheel disc 211 is fixed at the other end of the hand wheel shaft 212. The second gear 23 is mounted on a hand wheel shaft 212, a sleeve 213 is mounted between the second gear 23 and the hand wheel disc 211, and a thrust ball bearing 3 is mounted between the second gear 23 and the slider holder 25. The specific connecting structure of the hand wheel axle 212 and the slider seat 25 is as follows: a through hole is provided in the slider end cap 25b, and a cavity is provided at the end of the through hole. One end of the hand wheel shaft 212 penetrates through the through hole and then is connected with a hand wheel shaft step 26, so that the hand wheel shaft step 26 is positioned in the cavity. And a thrust ball bearing 3 is arranged between the hand wheel shaft step 26 and the sliding seat end cover 25 b. An eccentric handle 214 may be further provided on the hand wheel disk 211 to further improve the convenience of operation.

The specific installation process of this embodiment is:

the radial ball bearing 14 is arranged on the feed wheel shaft 12 and then arranged on the feed wheel 13, and the bearing gland is arranged in a spigot of the feed wheel 13 and is symmetrically pressed by a small screw. The thrust ball bearing 3 a is mounted on the feed wheel shaft 12, the assembly is inserted into the bore of the pressure wheel block 11 and locked with the balance nut 15, the assembly being referred to as the end module 1.

The thrust ball bearing 3 is incorporated into the feed screw 24, and a piece of the thrust ball bearing 3 is also incorporated into the handwheel shaft 212, and this assembly is incorporated into the carriage end cap 25 b.

The other thrust ball bearing 3 is fitted into the feed screw 24, and the first gear 22 is fitted into the feed screw 24 and keyed. Continuing to install a gasket, and then fastening the shaft head by using a screw; the other thrust ball bearing 3 is arranged in the hand wheel shaft 212, and the second gear 23 is arranged in the hand wheel shaft 212 and connected by a key. The bushing 213 is continuously installed, then the handwheel disk 211 is installed, keyed, and finally fastened with a nut.

In the present embodiment, as shown in fig. 2, the outer cylinder 4 of the vertical multi-stage pump is spun on a horizontal lathe, and the outer cylinder 4 is fed by spinning with the support roller member 5.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. The spinning feeding device for the outer cylinder of the vertical multistage pump is characterized by comprising an end module (1) and an operation module (2), wherein the end module (1) comprises a pressing wheel seat (11), a feeding wheel shaft (12), a feeding wheel (13) and a radial ball bearing (14), the feeding wheel shaft (12) is installed at the front end of the pressing wheel seat (11), the feeding wheel (13) is installed at one end of the feeding wheel shaft (12), and the radial ball bearing (14) is arranged between the feeding wheel shaft (12) and the feeding wheel (13); the operation module (2) comprises a hand wheel mechanism (21), a first gear (22), a second gear (23), a feeding screw rod (24) and a slider seat (25), a square hole cavity (251) is formed in the slider seat (25), one end of the feeding screw rod (24) is arranged in the square hole cavity (251), the other end of the feeding screw rod (24) penetrates through the end wall of the slider seat (25) and then is fixedly connected with the first gear (22), the second gear (23) is fixed on the hand wheel mechanism (21) and is rotationally connected with the slider seat (25), and the feeding screw rod (24) is driven to rotate by the rotation of the hand wheel mechanism (21) through the first gear (22) and the second gear (23) which are meshed with each other; the rear end of the pressure wheel seat (11) extends into the square hole cavity (251) and is in sliding connection with the inner wall of the square hole cavity (251), and the rear end of the pressure wheel seat (11) is provided with a threaded hole for being screwed with the feeding screw rod (24).

2. The spinning feeding device of the outer cylinder of the vertical multistage pump is characterized in that the feeding wheel shaft (12) is provided with a thrust ball bearing (3), and the thrust ball bearing (3) is positioned between a radial ball bearing (14) and a pinch roller seat (11).

3. The spinning feeding device for the outer cylinder of the vertical multistage pump is characterized in that the hand wheel mechanism (21) comprises a hand wheel disc (211), a hand wheel shaft (212) and a shaft sleeve (213), one end of the hand wheel shaft (212) is rotatably connected with the slider seat (25), the hand wheel disc (211) is fixed at the other end of the hand wheel shaft (212), the second gear (23) is installed on the hand wheel shaft (212), the shaft sleeve (213) is installed between the second gear (23) and the hand wheel disc (211), and the thrust ball bearing (3) is installed between the second gear (23) and the slider seat (25).

4. The spinning feeding device of the outer cylinder of the vertical multistage pump according to claim 3, characterized in that the handwheel disk (211) is provided with an eccentric handle (214).

5. The spinning feeding device for the outer cylinder of the vertical multistage pump is characterized in that a through hole is formed in the end wall of the sliding block seat (25), and a hand wheel shaft step (26) is connected to one end of the hand wheel shaft (212) after the hand wheel shaft passes through the through hole.

6. The spinning feeding device for the outer cylinder of the vertical multistage pump is characterized in that a thrust ball bearing (3) is arranged between the step (26) of the wheel shaft of the hand wheel and the end wall of the sliding block seat (25).

7. The external cylinder spinning feeding device of a vertical multistage pump according to claim 1, characterized in that the slider seat (25) comprises a slider seat body (25a) and a slider end cover (25b) which are connected with each other.

8. The spinning feeding device of the outer cylinder of the vertical multistage pump is characterized in that the feeding screw (24) comprises a threaded section (24a) and a screwing section (24b), a limit step (241) is arranged at the joint of the threaded section (24a) and the screwing section (24b), the screwing section (24b) penetrates through the end wall of the slider seat (25), a thrust ball bearing (3) is arranged between the end wall of the slider seat (25) and the limit step (241), the first gear (22) is fixed on the screwing section (24b), and the thrust ball bearing (3) is also arranged between the first gear (22) and the end wall of the slider seat (25).

9. The spinning feeding device of the outer cylinder of the vertical multistage pump according to claim 1, characterized in that the balancing nuts (15) are arranged on the opposite ends of the feeding wheel shaft (12) on the feeding wheel (13).

10. The device according to claim 1, characterized in that the diameter of the first gear (22) is greater than the diameter of the second gear (23).