CN111692092B

CN111692092B - Cam rotor pump

Info

Publication number: CN111692092B
Application number: CN202010451246.6A
Authority: CN
Inventors: 刘小波; 王静
Original assignee: Wenzhou Gedong Machinery Co ltd
Current assignee: Wenzhou Gedong Machinery Co ltd
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2022-11-29
Anticipated expiration: 2040-05-25
Also published as: CN111692092A

Abstract

The invention discloses a cam rotor pump, which comprises a fixed base, a driving mechanism and a pump shell, wherein the driving mechanism and the pump shell are fixedly arranged on the fixed base, the two driving shafts are fixedly connected with the output end of the driving mechanism, at least one partition disc is fixedly arranged in an inner cavity of the pump shell, at least one rotor mechanism is rotatably connected in the inner cavity of the pump shell, an outer cover is detachably arranged at an opening of the pump shell, and the two driving shafts are respectively sleeved with an adjusting screw rod through the pump shell and an extending end of the outer cover. According to the invention, the independent operation mechanisms are isolated by adopting the plurality of rotor mechanisms, so that the plurality of rotor mechanisms can work independently, the defect that the whole device fails due to the failure of a single rotor mechanism is overcome, and the effective adjustment and use of the whole output efficiency of the rotor pump are realized by adopting the adjustable inserted rotor mechanism under the condition of controlling the output rotating speeds of the two transmission shafts to be unchanged.

Description

Cam rotor pump

Technical Field

The invention belongs to the technical field of rotor pumps, and particularly relates to a cam rotor pump.

Background

The cam rotor pump is one of internationally advanced fluid devices, a rotor of the cam rotor pump is coated by full rubber, the cam rotor pump is strong in abrasion resistance, the rotor and a shell are in high-precision clearance fit, the cam rotor pump has strong self-suction force and high-lift force, can convey various viscous or particle-containing media and is suitable for various complex fluid media, and the working principle of the cam rotor pump mainly depends on suction generated at an inlet by two rotors which synchronously rotate reversely in the rotating process so as to suck materials to be conveyed.

Cam rotor pump receives extensive use in modern pipe-line transportation field, however some weak points below often can appear in the use of current cam rotor pump, and current cam rotor pump often is difficult to guarantee to possess effectual leakproofness for a long time between the rotor and the pump body in the use, and the slight gas leakage department that appears in the rotor pump often then can make the whole work efficiency greatly reduced of device, needs to maintain the change.

Disclosure of Invention

The invention aims to: in order to solve the technical problem that exists, provide the cam rotor pump.

The technical scheme adopted by the invention is as follows:

the cam rotor pump comprises a fixed base, a driving mechanism and a pump shell, wherein the driving mechanism and the pump shell are fixedly installed on the fixed base, the two transmission shafts are fixedly connected with the output end of the driving mechanism, at least one partition disc is fixedly arranged in an inner cavity of the pump shell, at least one rotor mechanism is rotatably connected to the inner cavity of the pump shell, an outer cover is detachably installed at the opening of the pump shell, and the two transmission shafts are provided with adjusting screw rods by penetrating through the pump shell and an extending end sleeve of the outer cover.

The rotor mechanism comprises a first cam rotor and a second cam rotor, wherein the side faces of the first cam rotor and the second cam rotor are fixedly connected with isolation discs, and the isolation discs are rotatably connected with through holes in the isolation discs.

The first cam rotor and the second cam rotor are respectively connected with the two transmission shafts in a rotating mode.

The center of the transmission shaft is provided with a shaft hole, and the shaft hole is connected with the adjusting screw in a screwing manner.

At least one through hole is radially formed in the transmission shaft, the at least one through hole is vertically communicated with the shaft hole, and the at least one through hole penetrates through the outer side wall of the transmission shaft.

Wherein, at least one equal sliding connection has the kelly in the through-hole, first cam rotor and second cam rotor center department have all seted up the draw-in groove, draw-in groove and kelly joint.

At least one of the clamping rods is provided with a central hole, and the central hole is in clearance fit with the adjusting screw rod.

Wherein, a water inlet pipeline and a water outlet pipeline are respectively and fixedly arranged at two sides of the pump shell.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. according to the invention, the independent operation mechanism is isolated by adopting a plurality of rotor mechanisms, and the isolation among the plurality of first cam rotors and the plurality of second cam rotors by adopting the plurality of isolation discs and the rotary connection of the isolation discs and the through holes in the centers of the isolation discs, so that the isolation discs are used for isolating the plurality of rotor mechanisms, the independent operation among the plurality of rotor mechanisms is realized, and the defect that the integral device fails due to the failure of a single rotor mechanism is avoided.

2. According to the invention, the adjustable inserting rotor mechanism is adopted, and due to the adoption of the sliding connection between the clamping rod and the through hole and the screwing connection between the adjusting screw rod and the shaft hole, the adjusting screw rod is inserted into the central hole on one side after being screwed into the shaft hole, so that the limitation on part of the clamping rod is realized, at the moment, the two transmission shafts only drive the rotor mechanisms at the other clamping rods which are not limited to rotate, and the whole output efficiency of the rotor pump is effectively adjusted and used under the condition of controlling the output rotating speeds of the two transmission shafts to be unchanged.

Drawings

FIG. 1 is a schematic diagram of the front view structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the inner chamber of the pump casing according to the present invention;

FIG. 3 isbase:Sub>A schematic structural view of the section A-A in the present invention;

FIG. 4 is a schematic view of the structure of the section B-B of the present invention.

The mark in the figure is: 1. an outer cover; 2. a pump housing; 201. a separation disc; 3. a drive mechanism; 4. a drive shaft; 401. a shaft hole; 402. a clamping rod; 403. a through hole; 404. a central bore; 5. a fixed base; 6. adjusting the screw rod; 7. a first cam rotor; 8. a second cam rotor; 9. a card slot; 10. an isolation disc; 11. a water inlet pipe; 12. a water outlet pipeline.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. 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 particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; 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 meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

In a first embodiment, referring to fig. 1 to 4, a cam rotor pump includes a fixed base 5, a driving mechanism 3 and a pump case 2 fixedly installed on the fixed base 5, and further includes two transmission shafts 4 fixedly connected to output ends of the driving mechanism 3, at least one spacer 201 is fixedly installed in an inner cavity of the pump case 2, at least one rotor mechanism is rotatably connected to the inner cavity of the pump case 2, an outer cover 1 is detachably installed at an opening of the pump case 2, the two transmission shafts 4 respectively penetrate through the pump case 2 and an extending end of the outer cover 1 and are sleeved with an adjusting screw 6, the rotor mechanism includes a first cam rotor 7 and a second cam rotor 8, the side surfaces of the first cam rotor 7 and the second cam rotor 8 are respectively and fixedly connected with a spacer 10, the spacer 10 is rotatably connected to a through hole in the spacer 201, and the other sides of the first cam rotor 7 and the second cam rotor 8, which are far away from the spacer 10, are in clearance fit with the other spacer 10, so that the plurality of rotor mechanisms are mutually attached and arranged.

In a second embodiment, referring to fig. 1 to 4, the first cam rotor 7 and the second cam rotor 8 are rotatably connected to the two transmission shafts 4, a shaft hole 401 is formed in the center of each transmission shaft 4, the shaft hole 401 is rotatably connected to the adjusting screw 6, at least one through hole 403 is radially formed in each transmission shaft 4, the at least one through hole 403 is vertically communicated with the shaft hole 401, the at least one through hole 403 penetrates through the outer side wall of each transmission shaft 4, a clamping rod 402 is slidably connected to the inside of each through hole 403, a clamping groove 9 is formed in the center of each first cam rotor 7 and the center of each second cam rotor 8, the clamping groove 9 is clamped to the clamping rod 402, a central hole 404 is formed in each clamping rod 402, the central hole 404 is in clearance fit with the adjusting screw 6, the adjusting screw 6 is inserted into the central hole 404 to limit displacement of the clamping rod 402, and the transmission shafts 4 are rotated with the first cam rotors 7 and the second cam rotors 8 on the side surfaces, thereby realizing the overall transmission efficiency of the effective adjusting mechanism.

In the third embodiment, referring to fig. 3, a water inlet pipe 11 and a water outlet pipe 12 are respectively fixedly installed on both sides of the pump housing 2, so as to convey the fluid flowing through the pump housing 2.

The working principle is as follows: firstly, the plurality of first cam rotors 7 and the plurality of second cam rotors 8 are isolated by the plurality of partition discs 201, and the partition discs 10 are rotatably connected with through holes in the centers of the partition discs 201, so that the plurality of rotor mechanisms are separated by the partition discs 10, the plurality of rotor mechanisms work independently, and the defect that the whole device fails due to the failure of a single rotor mechanism is overcome; secondly, through the sliding connection between kelly 402 and through-hole 403, and the closure of adjusting screw 6 and shaft hole 401 is connected soon, make adjusting screw 6 peg graft with the centre bore 404 of one side behind the screw in shaft hole 401, rotate two transmission shafts 4, kelly 402 that does not peg graft with adjusting screw 6 receives centrifugal force and is thrown away through-hole 403 center department, thereby make kelly 402 peg graft with draw-in groove 9, two transmission shafts 4 only drive the rotation to partial rotor mechanism this moment, carry out effectual regulation use to the whole output efficiency of rotor pump under the unchangeable condition of two transmission shafts 4 output speed of control.

The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the invention, but rather, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

Claims

1. Cam rotor pump, fixed mounting's actuating mechanism (3) and pump case (2) on unable adjustment base (5) and unable adjustment base (5), its characterized in that: the pump is characterized by further comprising two transmission shafts (4) fixedly connected with the output end of the driving mechanism (3), at least one partition disc (201) is fixedly arranged in the inner cavity of the pump shell (2), at least one rotor mechanism is rotatably connected to the inner cavity of the pump shell (2), an outer cover (1) is detachably mounted at the opening of the pump shell (2), and adjusting screws (6) are sleeved on the two transmission shafts (4) in a penetrating mode through the pump shell (2) and the extending end of the outer cover (1);

the rotor mechanism comprises a first cam rotor (7) and a second cam rotor (8), the side surfaces of the first cam rotor (7) and the second cam rotor (8) are fixedly connected with a separation disc (10), and the separation disc (10) is rotatably connected with a through hole on the separation disc (201);

the first cam rotor (7) and the second cam rotor (8) are respectively in rotating connection with the two transmission shafts (4);

a shaft hole (401) is formed in the center of the transmission shaft (4), and the shaft hole (401) is connected with the adjusting screw (6) in a screwing mode;

at least one through hole (403) is formed in the radial direction of the transmission shaft (4), the at least one through hole (403) is vertically communicated with the shaft hole (401), and the at least one through hole (403) penetrates through the outer side wall of the transmission shaft (4);

clamping rods (402) are connected in the through holes (403) in a sliding mode, clamping grooves (9) are formed in the centers of the first cam rotor (7) and the second cam rotor (8), and the clamping grooves (9) are clamped with the clamping rods (402);

a central hole (404) is formed in each clamping rod (402), and the central holes (404) are in clearance fit with the adjusting screw rods (6);

and a water inlet pipeline (11) and a water outlet pipeline (12) are fixedly arranged on two sides of the pump shell (2) respectively.