CN111692092A

CN111692092A - Cam rotor pump

Info

Publication number: CN111692092A
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: 2020-09-22
Anticipated expiration: 2040-05-25
Also published as: CN111692092B

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 ends of the driving mechanism, at least one partition disc is fixedly arranged in the 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 the opening of the pump shell, and adjusting screws are sleeved on the two driving shafts through the pump shell and the extending end of the outer cover. According to the invention, the independent operation mechanisms are isolated by 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 adjustable inserted rotor mechanism is adopted, so that the whole output efficiency of the rotor pump can be effectively adjusted and used 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 equipment, a rotor of the cam rotor pump is coated by full rubber, the cam rotor pump is high 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 the suction force generated by the two rotors which synchronously rotate reversely at an inlet 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 mode.

At least one through hole is formed in the transmission shaft in the radial direction, 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 the plurality of rotor mechanisms, and the isolation among the plurality of first cam rotors and the plurality of second cam rotors by the plurality of isolation discs and the rotational connection between the isolation discs and the through hole in the center of the isolation discs are adopted, 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 is a schematic structural view of the section A-A in the present invention;

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

The labels in the figure are: 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. a separator 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 described in further 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 are not intended to 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 simplicity of description, but do not indicate or imply that the device or element being 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 specific cases to those skilled in the art.

In the first embodiment, referring to fig. 1-4, a cam rotor pump includes a fixed base 5, a driving mechanism 3 fixedly installed on the fixed base 5, and a pump case 2, and further includes two transmission shafts 4 fixedly connected to output ends of the driving mechanism 3, at least one partition 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 are both sleeved with an adjusting screw 6 through the extending ends of the pump case 2 and the outer cover 1, 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 both fixedly connected with a partition 10, the partition 10 is rotatably connected to a through hole on the partition 201, wherein the other side of the first cam rotor 7 and the second cam rotor 8, which is far away from the partition, so that the rotor mechanisms are mutually attached and arranged for use.

In the 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, respectively, 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 at least one through hole 403, a clamping groove 9 is formed in the centers of the first cam rotor 7 and the second cam rotor 8, the clamping groove 9 is clamped with 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, so that the adjusting screw 6 is inserted into the central hole 404 to limit the displacement of the clamping rod 402, and the transmission shafts 4 are rotated with, thereby realizing the integral 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 at both sides of the pump housing 2, so as to convey the liquid through the pump housing 2.

The working principle is as follows: firstly, the separation of the plurality of first cam rotors 7 and the plurality of second cam rotors 8 by the plurality of partition discs 201 and the rotational connection of the through holes at the centers of the partition discs 10 and the partition discs 201 enable the plurality of rotor mechanisms to be separated by the partition discs 10, so that the plurality of rotor mechanisms can 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 only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present 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 improved pump is characterized by further comprising two transmission shafts (4) fixedly connected with the output ends of the driving mechanisms (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 the two transmission shafts (4) penetrate through the pump shell (2) and the extending end sleeve of the outer cover (1) and are provided with adjusting screws (6).

2. The lobe rotor pump of claim 1, wherein: the rotor mechanism comprises a first cam rotor (7) and a second cam rotor (8), wherein isolation discs (10) are fixedly connected to the side faces of the first cam rotor (7) and the second cam rotor (8), and the isolation discs (10) are rotatably connected with through holes in the isolation discs (201).

3. A lobe rotor pump according to claim 2, wherein: the first cam rotor (7) and the second cam rotor (8) are respectively in rotating connection with the two transmission shafts (4).

4. The lobe rotor pump of claim 1, wherein: shaft hole (401) is opened at transmission shaft (4) center department, and shaft hole (401) closes soon with adjusting screw (6) and is connected.

5. A lobe rotor pump according to claim 3, wherein: at least one through hole (403) is radially formed in the transmission shaft (4), the through holes (403) are vertically communicated with the shaft hole (401), and the through holes (403) penetrate through the outer side wall of the transmission shaft (4).

6. The lobe rotor pump of claim 5, wherein: at least one all sliding connection has kelly (402) in through hole (403), draw-in groove (9) have all been seted up in first cam rotor (7) and second cam rotor (8) center department, draw-in groove (9) and kelly (402) joint.

7. The lobe rotor pump of claim 6, wherein: at least one clamping rod (402) is provided with a central hole (404), and the central hole (404) is in clearance fit with the adjusting screw rod (6).

8. The lobe rotor pump of claim 1, wherein: and a water inlet pipeline (11) and a water outlet pipeline (12) are fixedly arranged on two sides of the pump shell (2) respectively.