CN209959549U

CN209959549U - Papermaking pulping pump

Info

Publication number: CN209959549U
Application number: CN201920775382.3U
Authority: CN
Inventors: 邵桂标; 徐尧峰; 徐伟土; 黄志刚; 王雄; 徐幼林
Original assignee: Shaoxing Dodo Paper Manufacturing Co Ltd
Current assignee: Shaoxing Dodo Paper Manufacturing Co Ltd
Priority date: 2019-05-27
Filing date: 2019-05-27
Publication date: 2020-01-17
Anticipated expiration: 2029-05-27

Abstract

The utility model relates to a pulping pump for papermaking, which relates to the technical field of papermaking equipment and comprises a pump body and a pumping mechanism arranged on the pump body, wherein the pumping mechanism comprises an impeller rotatably arranged at one end of the pump body, a shell covered on the impeller, a driving motor arranged on the pump body and connected with the impeller, and a mounting ring arranged on the impeller, and a locking assembly arranged between the impeller and the output shaft of the driving motor, wherein the peripheral side wall of the output shaft of the driving motor is provided with a chute along the axial direction thereof, the output shaft of the driving motor is provided with an arc-shaped groove along the circumferential direction thereof, the mounting ring is in a ring shape, the central axis thereof is superposed with the rotation axis of the impeller, the locking assembly comprises a clamping block arranged on the inner ring of the mounting ring and a sliding rod arranged in the chute in a sliding way, and the two ends of the elastic part are respectively connected with the slide bar and the output shaft of the driving motor, and the clamping block is clamped and matched with the arc-shaped groove. The utility model discloses have the dismouting that makes things convenient for the impeller and change the effect in order to improve maintenance efficiency.

Description

Papermaking pulping pump

Technical Field

The utility model belongs to the technical field of papermaking equipment's technique and specifically relates to a papermaking pulping pump is related to.

Background

At present, paper making production is divided into two basic processes of pulping and paper making. Pulping is the process of mechanically, chemically or a combination of both to break apart the plant fiber material into a natural color pulp or a bleached pulp. Paper making is the combination of pulp fibers suspended in water through various processes into sheets meeting various requirements. The paper can produce unnecessary paper pulp when processing, in order to save raw materials, need to pump unnecessary paper pulp to the papermaking equipment through the pulp pump and carry out the papermaking, improve the utilization ratio of paper pulp.

The pulp contains a large amount of fibers, and is sticky, and an impeller used for pushing pulp transmission in the pulp pump is easy to wear when contacting with the fibers, so that the impeller of the pulp pump needs to be replaced frequently. The impeller in the prior art is usually connected with a motor shaft through a flat key and is fixed with the motor shaft through a plurality of nuts and screws, so that the impeller is prevented from loosening to influence the pumping of paper pulp.

The above prior art solutions have the following drawbacks: because the impeller needs frequent change, and all need dismouting parallel key and screw etc. at every turn, increased staff's work load, reduced maintenance efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a papermaking slurrying pump makes things convenient for the dismouting and the change of impeller, reduces staff's work load, improves maintenance efficiency.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a papermaking pulping pump, includes the pump body, sets up the pump mechanism on the pump body, pump mechanism is including rotating the impeller that sets up in pump body one end, be connected with driving motor and cover the casing of establishing on the impeller, set up on the pump body and output shaft and impeller connection's driving motor, set up the collar that leans on driving motor one side on the impeller to and the locking Assembly who sets up between impeller and driving motor's output shaft, seted up the spout along its axial on driving motor's the output shaft week lateral wall, seted up along its circumference on driving motor's the output shaft has the arc wall, the collar is the ring form and its central axis coincides with the axis of rotation of impeller, locking Assembly is including setting up the fixture block that circles in the collar, slide and set up in slide bar in the spout to and the elastic component of the output shaft of slide bar and driving motor is connected respectively at both ends, the clamping block is clamped and matched with the arc-shaped groove when the clamping block slides into the sliding groove and rotates.

By adopting the technical scheme, the output shaft of the driving motor drives the impeller to rotate, and the shell is used for feeding pulp and pushing the pulp to convey through the impeller; when impeller and driving motor installation, the collar promotes the slide bar and slides and expose the side direction opening of arc wall when slipping along the spout, with this make the fixture block shift over to the arc wall along the side direction opening of arc wall and cooperate with the arc wall joint, when the collar rotates to breaking away from the slide bar, the slide bar resets and supports the fixture block under the effect of elastic component, thereby locking impeller and motor output shaft, make things convenient for the dismouting of impeller, make things convenient for the change of impeller, reduce staff's work load, and the maintenance efficiency is improved.

The utility model discloses further set up to: the spout is the arc along driving motor's radial cross-section, spout and fixture block all have a plurality ofly and along the crisscross interval distribution of driving motor's output shaft circumference, fixture block and spout one-to-one just are located adjacently between the spout.

Through adopting above-mentioned technical scheme, spout and fixture block have a plurality ofly to this shearing force that the output shaft that balanced driving motor received to improve driving motor's output shaft moving stability.

The utility model discloses further set up to: the cover is equipped with solid fixed ring on driving motor's the output shaft, gu fixed ring slides with the slide bar and is connected.

Through adopting above-mentioned technical scheme, solid fixed ring is established to the cover on driving motor's the output shaft, through the skew of solid fixed ring restriction slide bar to this stability that improves the slide bar and remove makes the slide bar support tight collar and fixture block, thereby reduces the vibration of impeller, improves the operating stability of impeller.

The utility model discloses further set up to: the inner wall of the sliding groove close to one side of the driving motor is provided with a limiting column, the elastic piece is sleeved on the limiting column, and the mounting ring slides along the sliding groove to the end wall of the sliding rod and the limiting column when the clamping block and the arc-shaped groove face each other.

By adopting the technical scheme, the elastic piece is sleeved on the limiting column, so that the elastic piece slides directionally, the stability of the elastic piece is improved, the sliding rod is abutted against the limiting column when the clamping block is opposite to the arc-shaped groove, the time for a worker to calibrate the position of the clamping block is reduced, and the installation efficiency is improved.

The utility model discloses further set up to: the mounting ring is provided with a screw rod in a penetrating way, and the peripheral side wall of the output shaft of the driving motor is provided with a screw port in threaded fit with the screw rod.

Through adopting above-mentioned technical scheme, the screw rod passes the collar and with screw thread connection to this fixed mounting ring and driving motor's output shaft reduces the vibration of collar, thereby reduces the vibration of collar and impeller, improves the operating stability of impeller.

The utility model discloses further set up to: and a chamfer is arranged on the edge of one end of the slide rod close to the impeller.

Through adopting above-mentioned technical scheme, the slide bar leans on impeller one side to set up the chamfer to this makes the slide bar move to the arc wall under the guide on chamfer inclined plane when reseing under the elastic component effect in the collar, makes fixture block and arc wall fully contact, improves the joint strength of joint, avoids collar and slide bar joint stopper and influence the reseing of slide bar simultaneously.

The utility model discloses further set up to: the intercommunication has the income thick liquid pipe relative with impeller centre of a circle department on the casing, the intercommunication has the play thick liquid pipe tangent with impeller week lateral wall on the casing, the impeller is circularly, one side that driving motor was kept away from to the impeller is provided with the blade, the guide vane that the blade is connected with arc piece one side including setting up the arc piece on the impeller to and be connected and be located the centrifugal plate that impeller centre of a circle department one side was kept away from to the arc piece opposite side, the guide vane is tangent with the arc piece, its radian of direction that the centrifugal plate was located along being close to with impeller week side wall department of tangency increases progressively.

By adopting the technical scheme, paper pulp enters the shell from the pulp inlet pipe opposite to the circle center of the impeller and is firstly contacted with the arc-shaped sheet rotating at high speed, because the arc-shaped piece is arc-shaped, the hydraulic pressure reduction caused by the overflow of paper pulp is avoided, the flow deflector is tangent to the arc-shaped piece, so that the paper pulp flows to one side of the guide vane under the action of centrifugal force, the area of the arc vane generates negative pressure due to the loss of the paper pulp, the paper pulp is continuously pushed into the arc vane by atmospheric pressure, the paper pulp moves to the eccentric position of the impeller along the guide vane tangent to the arc vane under the action of centrifugal force, the moving radius of the paper pulp is increased to increase the centrifugal force, and the radian of the centrifugal sheet increases gradually along the direction close to the tangent position with the peripheral wall of the impeller, so that the centrifugal sheet extrudes paper pulp to reduce the moving range of the paper pulp, therefore, the paper pulp is conveyed along the pulp outlet pipe under the action of centrifugal force and hydraulic pressure, and the effect of conveying the paper pulp is realized.

The utility model discloses further set up to: the centrifugal plate is characterized in that an installation groove is formed in the side wall of the eccentric side of the centrifugal plate, a wear-resistant plate is embedded in the installation groove, and a bolt penetrates through the centrifugal plate and is in threaded connection with the wear-resistant plate.

By adopting the technical scheme, the eccentric side of the centrifugal sheet is easy to wear when the centrifugal sheet is contacted with the paper pulp, and the gap between the centrifugal sheet and the shell is increased after the centrifugal sheet is worn, so that the pumping efficiency is reduced; therefore, the wear-resisting plate is arranged on the centrifugal plate, so that the wear of the centrifugal plate is reduced, the wear-resisting plate is convenient to replace through the bolt, the integral replacement of the impeller is avoided, and the cost is reduced; one end of the bolt is positioned on one side of the centrifugal sheet close to the center of the impeller, so that the contact between the bolt and paper pulp is reduced, and the abrasion of the bolt is reduced.

To sum up, the utility model discloses a beneficial technological effect does:

1. when the mounting ring slides in along the sliding groove, the sliding rod is pushed to slide and expose the lateral opening of the arc-shaped groove, so that the clamping block slides in the arc-shaped groove along the lateral opening of the arc-shaped groove and is clamped and matched with the arc-shaped groove, when the mounting ring rotates to be separated from the sliding rod, the sliding rod resets under the action of the elastic part and supports against the clamping block, and therefore the impeller and the motor output shaft are locked, the impeller is convenient to disassemble and assemble, the impeller is convenient to replace, the workload of workers is reduced, and the maintenance efficiency is improved;

2. the mounting ring is abutted against the limiting column when the clamping block is opposite to the arc-shaped groove, so that the time for workers to calibrate the mounting ring is reduced, and the mounting efficiency is improved;

3. the wear-resistant plate is arranged on the centrifugal plate, so that the wear of the centrifugal plate is reduced, the wear-resistant plate is convenient to replace through the bolt, the impeller is prevented from being integrally replaced, and the cost is reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the internal structure of the present invention, mainly showing the impeller.

Reference numerals: 1. a pump body; 11. a slurry inlet pipe; 12. a pulp outlet pipe; 2. a pumping mechanism; 21. an impeller; 22. a housing; 23. a drive motor; 231. screwing; 232. a chute; 233. a limiting column; 234. an arc-shaped slot; 24. a fixing ring; 3. a mounting ring; 31. a screw; 32. a locking assembly; 321. a clamping block; 322. a slide bar; 323. an elastic member; 4. a blade; 41. an arc-shaped sheet; 42. a flow deflector; 43. a centrifugal sheet; 431. mounting grooves; 432. a wear resistant sheet; 433. and (4) bolts.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a papermaking pulping pump, including the pump body 1, set up pumping mechanism 2 on the pump body 1, it is shown to combine fig. 2, and pumping mechanism 2 is including rotating the circular shape impeller 21 that sets up in pump body 1 one end, be connected and the lid establishes casing 22 on impeller 21 with driving motor 23 to and set up driving motor 23 on the pump body 1. The driving motor 23 is placed on the ground, an output shaft of the driving motor 23 penetrates through the shell 22 to be connected with the impeller 21, and the output shaft of the driving motor 23 drives the impeller 21 to rotate and pushes the paper pulp to be conveyed through the impeller 21. The casing 22 is in a disc shape, covers the impeller 21, is fixed to the driving motor 23 by screws, and is rotatably connected to the impeller 21. The shell 22 is communicated with a pulp inlet pipe 11 opposite to the circle center of the impeller 21, the shell 22 is communicated with a pulp outlet pipe 12 tangent to the circumferential side wall of the impeller 21, and the pulp inlet pipe 11 and the pulp outlet pipe 12 are both in a circular pipe shape and are welded and fixed with the shell 22.

Referring to fig. 2, the impeller 21 is in a disc shape, one side of the impeller 21 away from the driving motor 23 is provided with two blades 4, the blades 4 are in a barb shape and are symmetrically distributed along the radial direction of the impeller 21, and the blades 4 include an arc-shaped piece 41 arranged on the impeller 21, a guide piece 42 connected with one side of the arc-shaped piece 41, and a centrifugal piece 43 connected with the other side of the arc-shaped piece 41. The centrifugal sheet 43 is located on one side of the arc-shaped sheet 41 away from the center of the impeller 21, and the radian of the centrifugal sheet 43 increases gradually along the direction close to the tangent with the peripheral wall of the impeller 21. The flow deflector 42 is rectangular and has one end tangent to the arc-shaped piece 41, the center of the arc-shaped piece 41 coincides with the center of the impeller 21, the arc-shaped piece 41, the centrifugal piece 43 and the flow deflector 42 are integrally formed, and the arc-shaped piece 41, the centrifugal piece 43, the flow deflector 42 and the impeller 21 are welded and fixed.

Pulp enters the shell 22 from the pulp inlet pipe 11 opposite to the circle center of the impeller 21 and is firstly contacted with the arc-shaped piece 41 rotating at high speed. The arc-shaped piece 41 is arc-shaped, so that the hydraulic pressure is prevented from being reduced due to overflow of the pulp, the guide vane 42 is tangent to the arc-shaped piece 41, so that the pulp flows to one side of the guide vane 42 under the action of centrifugal force, negative pressure is generated in the area of the arc-shaped piece 41 due to pulp loss, and the pulp is continuously pushed into the area of the arc-shaped piece 41 by atmospheric pressure. Under the action of centrifugal force, the pulp moves from the guide vane 42 tangent to the arc-shaped vane 41 to the eccentric position of the impeller 21, the moving radius of the pulp is increased, so that the centrifugal force is increased, and the radian of the centrifugal sheet 43 is increased along the direction close to the tangent position of the peripheral wall of the impeller 21, so that the centrifugal sheet 43 extrudes the pulp, the moving range of the pulp is reduced, the pulp is conveyed along the pulp outlet pipe 12 under the action of the centrifugal force and hydraulic pressure, and the effect of conveying the pulp is realized.

Since the centrifugal vanes 43 are easily worn at the eccentric side thereof when they are in contact with the pulp, the gap between the centrifugal vanes 43 and the casing 22 increases when they are worn, thereby decreasing the pumping efficiency. Therefore, the eccentric side wall of the centrifugal plate 43 is provided with the mounting groove 431, the mounting groove 431 is arc-shaped, the wear-resistant plate 432 is embedded in the mounting groove 431, the wear-resistant plate 432 is arc-shaped, the convex arc surface of the concave arc surface mounting groove 431 is attached, and a bolt 433 penetrates through the centrifugal plate 43 and is in threaded connection with the wear-resistant plate 432, so that the wear-resistant plate 432 and the centrifugal plate 43 are fixed, meanwhile, the contact between the bolt 433 and paper pulp is reduced, and the abrasion of the bolt 433 is reduced. The wear-resistant plate 432 is used for reducing the abrasion of the centrifugal plate 43, and the bolt 433 is used for facilitating the replacement of the wear-resistant plate 432, so that the impeller 21 is prevented from being replaced integrally, and the cost is reduced.

The pumping mechanism 2 further comprises a mounting ring 3 disposed on the impeller 21 on a side thereof closer to the drive motor 23, and a locking assembly 32 disposed between the impeller 21 and an output shaft of the drive motor 23. The mounting ring 3 is annular, passes through the center of the impeller 21 and is coaxially fixed with the impeller 21, and the central axis of the mounting ring coincides with the rotation axis of the impeller 21. The peripheral side wall of the output shaft of the driving motor 23 is provided with a sliding groove 232 along the axial direction thereof, the length direction of the sliding groove 232 is consistent with the axial direction of the driving motor 23, the sliding groove 232 is arc-shaped, the output shaft of the driving motor 23 is provided with an arc-shaped groove 234 along the circumferential direction thereof, and the lateral opening of the arc-shaped groove 234 is communicated with the sliding groove 232.

The locking assembly 32 includes a latch 321 disposed on the inner ring of the mounting ring 3, a sliding rod 322 slidably disposed in the sliding groove 232, and an elastic member 323 having two ends respectively connected to the sliding rod 322 and the output shaft of the driving motor 23, wherein the latch 321 is engaged with the arc-shaped groove 234 when the latch 321 slides into the sliding groove 232 and rotates. The fixture blocks 321 are arc-shaped, are integrally formed with the mounting ring 3 and are consistent with the radian of the arc-shaped groove 234, two of the sliding grooves 232 and two of the fixture blocks 321 are distributed at intervals in a staggered mode along the circumferential direction of the output shaft of the driving motor 23, and the fixture blocks 321 correspond to the sliding grooves 232 one to one and are located between the adjacent sliding grooves 232, so that the shearing force received by the output shaft received by the driving motor 23 is balanced, and the stability of the operation of the output shaft of the driving motor 23 is improved.

The sliding rod 322 is arc-shaped along the radial section of the output shaft of the driving motor 23, so as to reduce the gap with the inner wall of the sliding slot 232, and the sliding rod 322 slides along the length direction of the sliding slot 232. An inclined chamfer is arranged on the edge of one end, close to the impeller 21, of the slide rod 322 and is opposite to the side walls of the two sides of the arc-shaped groove 234 communicated with the sliding groove 232, so that the installation ring 3 moves towards the inside of the arc-shaped groove 234 under the guide of the chamfer inclined plane when the slide rod 322 resets under the action of the elastic part 323, the fixture block 321 is in full contact with the arc-shaped groove 234, the connection strength of clamping connection is improved, and meanwhile, the situation that the resetting of the slide rod 322 is influenced by the clamping of the installation ring 3 and the slide.

The inner wall of the chute 232 close to one end of the driving motor 23 is provided with a cylindrical limiting column 233, the limiting column 233 is welded and fixed with the output shaft of the driving motor 23, and the elastic member 323 adopts a spring and is sleeved on the limiting column 233, so that the elastic member 323 is assisted to slide directionally, and the stability of the elastic member 323 is improved. When the mounting ring 3 slides along the sliding groove 232 until the fixture block 321 is opposite to the arc-shaped groove 234, the end wall of the sliding rod 322 is abutted to the limiting column 233, so that the time for a worker to calibrate the position of the fixture block 321 is reduced, and the mounting efficiency is improved.

The output shaft of the driving motor 23 is sleeved with a fixing ring 24, the fixing ring 24 is in a circular ring shape, the fixing ring 24 and the output shaft of the driving motor 23 are fixed through screws, and the surface of the inner ring of the fixing ring 24 is connected with the outer side wall of the sliding rod 322 in a sliding mode. The fixing ring 24 is used for limiting the deviation of the slide rod 322, so as to improve the moving stability of the slide rod 322, and the slide rod 322 is tightly abutted against the mounting ring 3 and the fixture block 321, thereby reducing the vibration of the impeller 21 and improving the running stability of the impeller 21.

The mounting ring 3 protrudes out of one side surface of the impeller 21, a screw 31 is arranged on the mounting ring 3 along the radial direction, and a screw opening 231 is arranged on the peripheral side wall of the output shaft of the driving motor 23. The screw 31 is screwed with the screw 231 to fix the mounting ring 3 and the output shaft of the driving motor 23, so that the vibration of the mounting ring 3 is reduced, the vibration of the mounting ring 3 and the impeller 21 is reduced, and the operation stability of the impeller 21 is improved.

The implementation principle of the embodiment is as follows: when the impeller 21 and the driving motor 23 are installed, the worker only needs to push the installation ring 3 along the sliding groove 232 to make the concave arc surface of the fixture block 321 fit with the inner wall of the sliding groove 232, and then the fixture block 321 pushes the sliding rod 322 to slide and expose the lateral opening of the arc-shaped groove 234, so that the fixture block 321 rotates into the arc-shaped groove 234 along the lateral opening of the arc-shaped groove 234 and is in clamping fit with the arc-shaped groove 234. When the mounting ring 3 rotates to be separated from the slide rod 322, the slide rod 322 resets under the action of the elastic member 323 and abuts against the fixture block 321, so that the impeller 21 and the motor output shaft are locked, the impeller 21 is conveniently dismounted and mounted, the impeller 21 is conveniently replaced, the workload of workers is reduced, and the maintenance efficiency is improved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a make paper system stuff pump, includes the pump body (1), sets up pumping mechanism (2) on the pump body (1), pumping mechanism (2) including rotate set up impeller (21) in pump body (1) one end, be connected with driving motor (23) and cover casing (22) established on impeller (21), set up driving motor (23) that just output shaft and impeller (21) are connected on the pump body (1), set up on impeller (21) and lean on mounting ring (3) of driving motor (23) one side to and locking Assembly (32) of setting between the output shaft of impeller (21) and driving motor (23), its characterized in that, spout (232) have been seted up along its axial on the output shaft week lateral wall of driving motor (23), seted up along its circumference on the output shaft of driving motor (23) has arc wall (234), mounting ring (3) are the ring form and its central axis coincides with the axis of impeller (21), locking Assembly (32) including set up fixture block (321) on collar (3), slide and set up in slide bar (322) in spout (232) to and both ends connect elasticity piece (323) of slide bar (322) and driving motor's (23) output shaft respectively, fixture block (321) and arc wall (234) joint cooperation when fixture block (321) slide in spout (232) and rotatory.

2. The papermaking pulping pump according to claim 1, wherein the sliding groove (232) is arc-shaped along the radial section of the driving motor (23), a plurality of sliding grooves (232) and a plurality of clamping blocks (321) are distributed at intervals in a staggered mode along the circumferential direction of the output shaft of the driving motor (23), and the clamping blocks (321) and the sliding grooves (232) are in one-to-one correspondence and are located between the adjacent sliding grooves (232).

3. Paper-making and pulping pump according to claim 1, characterized in that a fixing ring (24) is sleeved on the output shaft of the driving motor (23), and the fixing ring (24) is connected with the sliding rod (322) in a sliding manner.

4. The papermaking pulping pump according to claim 1, wherein a limiting column (233) is arranged on the inner wall of the sliding groove (232) close to one side of the driving motor (23), the elastic member (323) is sleeved on the limiting column (233), and the end wall of the sliding rod (322) is abutted against the limiting column (233) when the mounting ring (3) slides along the sliding groove (232) until the clamping block (321) is opposite to the arc-shaped groove (234).

5. The papermaking pulping pump according to claim 1, characterized in that a screw (31) penetrates through the mounting ring (3), and a screw (231) which is in threaded fit with the screw (31) is formed on the peripheral side wall of the output shaft of the driving motor (23).

6. A pump according to claim 1, characterized in that the edge of the slide bar (322) at the end against the impeller (21) is provided with a chamfer.

7. A pulping and papermaking pump according to claim 1, characterized in that the casing (22) is connected with a pulp inlet pipe (11) opposite to the center of the impeller (21), the shell (22) is communicated with a pulp outlet pipe (12) which is tangential to the peripheral side wall of the impeller (21), the impeller (21) is circular, one side of the impeller (21) far away from the driving motor (23) is provided with blades (4), the blade (4) comprises an arc-shaped sheet (41) arranged on the impeller (21) and a flow deflector (42) connected with one side of the arc-shaped sheet (41), and a centrifugal sheet (43) which is connected with the other side of the arc sheet (41) and is positioned on one side of the arc sheet (41) far away from the center of the impeller (21), the guide vane (42) is tangent to the arc-shaped vane (41), and the radian of the centrifugal vane (43) increases along the direction close to the tangent position of the peripheral side wall of the impeller (21).

8. The papermaking pulping pump according to claim 7, wherein the centrifugal plate (43) is provided with a mounting groove (431) on the eccentric side wall, a wear-resistant plate (432) is embedded in the mounting groove (431), and a bolt (433) penetrates through the centrifugal plate (43) and is in threaded connection with the wear-resistant plate (432).