CN213744108U

CN213744108U - Pump connecting shaft

Info

Publication number: CN213744108U
Application number: CN202022685926.2U
Authority: CN
Inventors: 王青; 张爱民
Original assignee: Suzhou Yaqi New Precision Machinery Co ltd
Current assignee: Changsha Jianxin Pump Industry Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-07-20
Anticipated expiration: 2030-11-18

Abstract

The utility model discloses a pump connecting shaft, which comprises a shaft body, wherein the shaft body is in a cylindrical hollow tubular shape, at least two grooves are arranged on the shaft body, two connecting holes are arranged in the grooves, a connecting piece is arranged at the end part of the shaft body, and the connecting piece is arranged in a centrifugal pump; be provided with the mounting groove on the connecting piece, the mounting groove is provided with more than two, and evenly distributed is in the periphery of connecting piece. The production device of the pump connecting shaft comprises a base, a machine bin, a machine shell and a production table, wherein the machine bin is fixedly installed on the base, and a power mechanism is arranged in the machine bin. The connecting piece arranged at the end part of the shaft body is arranged in the centrifugal pump, other shafts are arranged in the cylindrical hollow tubular shaft body, the connecting shaft and other shafts are arranged in the two connecting holes arranged in the groove by utilizing the bolts, and the other shafts and the connecting shaft are firmly arranged together; the connecting shaft is firm to mount, not easy to loosen, safe to use and convenient to dismount and mount.

Description

Pump connecting shaft

Technical Field

The utility model relates to a pump connecting axle technical field specifically is a pump connecting axle.

Background

The connecting shaft is an important part of mechanical parts and is widely used for mechanical equipment, medical equipment, aerospace equipment, military equipment and the like; particularly in the automobile accessory and motorcycle accessory industries, the connecting shaft plays an indispensable important role, and the connecting shaft is mainly used for connecting two devices or two parts together to integrate the two devices or the two parts, so that the purpose of transmitting the power (usually referred to as torque) of one device or part to the other device or part through the connecting shaft is achieved; when the device is used specifically, the connecting shaft and the equipment or the part which needs to be acted are usually in fixed connection or interference fit, the fixed connection mode usually adopts the mode that threads are arranged at two ends of the connecting shaft, and the purpose of integration is realized through the thread fit between the connecting shaft and the equipment (or the part).

The centrifugal pump connecting shaft is used for connecting the centrifugal pump and the shaft, and the centrifugal pump connecting shaft in the prior art is easy to loosen and inconvenient to use in the use process; in addition, the centrifugal pump connecting shaft is usually manufactured by manual cutting, grinding and production in the prior art, so that the large-scale manufacturing is not facilitated, and the manufacturing efficiency is low.

Therefore, the inventor provides a pump connecting shaft by combining various factors.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pump connecting axle to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a pump connecting axle, includes the axis body, the axis body is the hollow tubulose of cylinder, be provided with two at least recesses on the axis body, be provided with two connecting holes in the recess, the axis body tip is provided with the connecting piece, the connecting piece is installed in the centrifugal pump.

When in work: installing a connecting piece arranged at the end part of the shaft body in the centrifugal pump, installing other shafts into the cylindrical hollow tubular shaft body, installing the connecting shaft and other shafts into two connecting holes arranged in the groove by using bolts, and firmly installing the other shafts and the connecting shaft together; the connecting shaft is firm to mount, not easy to loosen, safe to use and convenient to dismount and mount.

As a further aspect of the present invention: be provided with the mounting groove on the connecting piece, the mounting groove is provided with more than two, and evenly distributed is in the periphery of connecting piece, is convenient for restrict the axial motion of pump connecting axle in the centrifugal pump through the mounting groove, prevents that the pump connecting axle from droing in the centrifugal pump.

As a further aspect of the present invention: the axis body adopts 304 stainless steel materials to make, is convenient for prevent the corrosion of pump connecting axle, increases the life of pump connecting axle.

The production device of the pump connecting shaft comprises a base, a machine bin, a machine shell and a production table, wherein the machine bin is fixedly arranged on the base, and a power mechanism is arranged in the machine bin; the production table is fixedly arranged at the top of the machine cabin, and the front end of the production table extends out of the machine cabin; the shell is fixedly arranged on the production table, a lifting mechanism is arranged in the shell, and a lifting groove is formed in the front end of the shell; a connecting rod is arranged in the lifting groove, a lifting platform is fixedly arranged on the right side of the connecting rod, and an upper die capable of manufacturing a pump connecting shaft is fixedly arranged below the lifting platform through a mounting column; the production bench is provided with a lower die corresponding to the position of the upper die arranged below the lifting table, and a die making groove is formed in the lower die.

When in work: firstly, melting raw materials for producing a pump connecting shaft into a liquid state, pouring the liquid state into a molding groove in a lower die, driving a lifting mechanism to work by controlling a power mechanism, driving a lifting table to move up and down by a connecting rod by the lifting mechanism, driving an upper die to downwards extrude the lower die on a production table by the lifting table, carrying out extrusion molding on the liquid raw materials in the molding groove, indirectly lifting the upper die by controlling the power mechanism after a pump connecting shaft which is subjected to extrusion molding is cooled, taking the extruded pump connecting shaft out of the molding groove, and finishing the production of the pump connecting shaft; the pump connecting shaft extrusion die has the beneficial effect of quickly and automatically extruding and producing the pump connecting shaft.

As a further aspect of the present invention: the power mechanism comprises a servo motor and a speed reducer, and the servo motor and the speed reducer are fixedly arranged on the inner wall of the machine bin; the servo motor is provided with an output shaft, and the output shaft connects the motor and the speed reducer together; the pivot is installed to the reduction gear other end, pivot movable mounting is on the shaft coupling, shaft coupling fixed mounting is in the production platform.

As a further aspect of the present invention: the lifting mechanism comprises a screw rod, the bottom of the screw rod is movably arranged on a coupler and is connected with the rotating shaft through the coupler to synchronously rotate, the top of the screw rod is movably arranged on a shaft seat, and the shaft seat is fixedly arranged on the top of the machine shell; the lead screw right side is equipped with the slide bar with the parallel and vertical position of lead screw, slide bar top fixed mounting is at the casing top, slide bar bottom fixed mounting is on the production bench.

As a further aspect of the present invention: a screw rod nut is movably mounted on the screw rod, a sliding barrel is movably mounted on the sliding rod, and the screw rod nut and the sliding barrel are fixedly connected together through a connecting block; the right side of the sliding cylinder is fixedly provided with a connecting rod, and the connecting rod passes through the lifting groove and is fixedly arranged on the right side of the sliding cylinder; and supporting blocks are fixedly arranged below the connecting rod and on the right side of the sliding cylinder.

Compared with the prior art, the utility model discloses the beneficial effect of following several aspects has:

1. the utility model provides a pump connecting shaft, the structure setting is ingenious and the arrangement is reasonable, the utility model discloses in install the connecting piece that the end of the shaft body set up in the centrifugal pump, install other shafts into the inside of the hollow tubular shaft body of cylinder, utilize the bolt to install connecting shaft and other shafts into two connecting holes that set up in the recess, firmly install other shafts and connecting shaft together; the connecting shaft is firm to mount, not easy to loosen, safe to use and convenient to dismount and mount.

2. The utility model provides a production device of the pump connecting shaft, the structure setting is ingenious and the arrangement is reasonable, the utility model discloses in melt the raw materials of producing the pump connecting shaft into the liquid state and pour into the mould making groove in the bed die, drive the elevating system work through the control power mechanism, the elevating system then drives the elevating platform up-and-down motion through the connecting rod, the elevating platform then drives the bed die that the upper die extrudes downwards and is located the production bench, extrude the liquid raw materials in the mould making groove, treat that the pump connecting shaft of extrusion is cooled down, then through the control power mechanism indirectly with the lifting of the bed die, take out the pump connecting shaft of extrusion from the mould making groove, accomplish the production of pump connecting shaft; the pump connecting shaft extrusion die has the beneficial effect of quickly and automatically extruding and producing the pump connecting shaft.

Drawings

Fig. 1 is a schematic structural view of a pump connecting shaft.

Fig. 2 is a schematic structural view of a production apparatus for a pump connecting shaft.

Fig. 3 is a sectional view of a production apparatus of a pump connecting shaft.

In the figure: 1. a shaft body; 11. a groove; 12. connecting holes; 2. a connecting member; 21. mounting grooves; 3. a base; 4. a machine cabin; 41. a servo motor; 42. an output shaft; 43. a speed reducer; 44. a rotating shaft; 5. a production platform; 51. a lower die; 52. making a mold groove; 53. a coupling; 6. a housing; 61. a lifting groove; 62. a screw shaft; 63. a feed screw nut; 64. connecting blocks; 65. A slide cylinder; 66. a shaft seat; 67. a slide bar; 7. a connecting rod; 71. a support block; 8. a lifting platform; 81. mounting a column; 82. and (4) an upper die.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1, a pump connecting shaft includes a shaft body 1, the shaft body 1 is a cylindrical hollow tube, at least two grooves 11 are formed in the shaft body 1, two connecting holes 12 are formed in the grooves 11, a connecting member 2 is arranged at an end of the shaft body 1, and the connecting member 2 is installed in a centrifugal pump; the connecting piece 2 is provided with more than two mounting grooves 21, the mounting grooves 21 are uniformly distributed on the periphery of the connecting piece 2, the axial movement of the pump connecting shaft in the centrifugal pump is conveniently limited through the mounting grooves 21, and the pump connecting shaft is prevented from falling off from the centrifugal pump; the shaft body 1 is made of 304 stainless steel materials, so that the pump connecting shaft is prevented from being rusted conveniently, and the service life of the pump connecting shaft is prolonged;

the utility model discloses a theory of operation is: installing a connecting piece 2 arranged at the end part of a shaft body 1 in the centrifugal pump, installing other shafts into the cylindrical hollow tubular shaft body 1, installing a connecting shaft and other shafts into two connecting holes 12 arranged in a groove 11 by using bolts, and firmly installing the other shafts and the connecting shaft together; the connecting shaft is firm to mount, not easy to loosen, safe to use and convenient to dismount and mount.

Referring to fig. 2-3, the production device of the pump connecting shaft comprises a base 3, a machine cabin 4, a machine shell 6 and a production table 5, wherein the machine cabin 4 is fixedly arranged on the base 3, and a power mechanism is arranged in the machine cabin 4; the production table 5 is fixedly arranged at the top of the machine cabin 4, and the front end of the production table 5 extends out of the machine cabin 4; the machine shell 6 is fixedly arranged on the production table 5, a lifting mechanism is arranged in the machine shell 6, and a lifting groove 61 is arranged at the front end of the machine shell 6; a connecting rod 7 is arranged in the lifting groove 61, a lifting platform 8 is fixedly arranged on the right side of the connecting rod 7, and an upper die 82 capable of manufacturing a pump connecting shaft is fixedly arranged below the lifting platform 8 through a mounting column 81; a lower die 51 is arranged on the production table 5 corresponding to the position of the upper die 82 arranged below the lifting table 8, and a die making groove 52 is formed in the lower die 51;

the power mechanism comprises a servo motor 41 and a speed reducer 43, and the servo motor 41 and the speed reducer 43 are fixedly arranged on the inner wall of the machine bin 4; an output shaft 42 is arranged on the servo motor 41, and the motor and a speed reducer 43 are connected together through the output shaft 42; the other end of the speed reducer 43 is provided with a rotating shaft 44, the rotating shaft 44 is movably arranged on a coupler 53, and the coupler 53 is fixedly arranged in the production table 5;

the lifting mechanism comprises a lead screw 62, the bottom of the lead screw 62 is movably arranged on a coupler 53 and is connected with the rotating shaft 44 through the coupler 53 to synchronously rotate, the top of the lead screw 62 is movably arranged on a shaft seat 66, and the shaft seat 66 is fixedly arranged on the top of the machine shell 6; a slide bar 67 is arranged at the right side of the lead screw 62 and is parallel to the lead screw 62, the vertical position of the lead screw is provided with the slide bar 67, the top of the slide bar 67 is fixedly arranged at the top of the machine shell 6, and the bottom of the slide bar 67 is fixedly arranged on the production table 5; a feed screw nut 63 is movably mounted on the screw rod 62, a sliding cylinder 65 is movably mounted on the sliding rod 67, and the feed screw nut 63 and the sliding cylinder 65 are fixedly connected together through a connecting block 64; the right side of the sliding cylinder 65 is fixedly provided with a connecting rod 7, and the connecting rod 7 passes through the lifting groove 61 and is fixedly arranged on the right side of the sliding cylinder 65; and a supporting block 71 is fixedly arranged below the connecting rod 7 and on the right side of the sliding cylinder 65.

The utility model discloses a theory of operation is: firstly, melting raw materials for producing a pump connecting shaft into a liquid state, pouring the liquid state into a molding groove 52 in a lower die 51, driving a lifting mechanism to work through a control power mechanism, driving a lifting platform 8 to move up and down through a connecting rod 7 by the lifting mechanism, further driving an upper die 82 to downwards extrude the lower die 51 on a production platform 5, carrying out extrusion molding on the liquid raw materials in the molding groove 52, indirectly lifting the upper die 82 through the control power mechanism after cooling the extruded pump connecting shaft, taking the extruded pump connecting shaft out of the molding groove 52, and finishing the production of the pump connecting shaft; the pump connecting shaft extrusion die has the beneficial effect of quickly and automatically extruding and producing the pump connecting shaft.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a pump connecting shaft, includes axis body (1), its characterized in that, axis body (1) is the hollow tubulose of cylinder, be provided with two at least recesses (11) on axis body (1), be provided with two connecting holes (12) in recess (11), axis body (1) tip is provided with connecting piece (2), connecting piece (2) are installed in the centrifugal pump.

2. A pump connecting shaft according to claim 1, characterized in that the connecting piece (2) is provided with mounting grooves (21), and the mounting grooves (21) are provided with more than two and evenly distributed on the periphery of the connecting piece (2).

3. A pump connecting shaft according to claim 2, characterized in that the shaft body (1) is made of a 304 stainless steel material.