Disassembling and assembling mechanism of dry type screw pump shell
Technical Field
The utility model relates to the technical field of dry screw pumps, in particular to a disassembly and assembly mechanism of a dry screw pump shell.
Background
At present, a dry screw pump is also called a dry screw vacuum pump, is a scientific and technological product with very high technical content, is mainly applied to a high-purity vacuum process, has extremely high vacuum degree, can adapt to severe working conditions, has the capacity of extracting coagulability and particulate matter-containing gas, is particularly suitable for clean environment, is easy to carry out antiseptic treatment, and is particularly suitable for the fields of electronics, chemical engineering, biomedicine, metal processing, food processing and the like.
However, in the disassembling process of the existing large dry screw pump, because the casing is mostly connected with the dry screw pump through screws, it is troublesome to hold the casing by another person before the screws are completely disassembled, and the sealing ring of the casing is easy to displace in the assembling process, and the casing is difficult to align with the dry screw pump, so the disassembling and assembling mechanism of the dry screw pump casing is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a disassembly and assembly mechanism of a dry type screw pump shell, which realizes that a cover plate and a dry type screw vacuum pump body are convenient to assemble and disassemble through the arrangement of a positioning mechanism so as to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a dismouting mechanism of dry-type screw pump casing, includes the bottom plate, the motor is installed at the bottom plate top, the speed reducer is installed to one side of motor, the dry-type screw vacuum pump body is installed to one side of speed reducer, dry-type screw vacuum pump body top is equipped with the feed inlet, dry-type screw vacuum pump body one side is equipped with the discharge gate, discharge gate one end can be dismantled and be connected with positioning mechanism, positioning mechanism includes apron, adjusting screw, fixed bolster, fixed frame and curb plate, adjusting screw rotates to be connected on the apron, fixed bolster one side and apron fixed connection, apron one side is rotated and is connected with the hinge bar, and the hinge bar can be dismantled and connect in the fixing base, fixed frame sliding connection is on the curb plate.
Preferably, a fixing ring is fixed on one side of the dry screw vacuum pump body, a plurality of threaded holes are formed in one side of the fixing ring, and the threaded holes are arranged in an annular equidistant mode.
Preferably, be equipped with the sealing washer between apron and the solid fixed ring, adjusting screw one end is fixed with the handle, the adjusting screw middle-end is fixed with the stopper, adjusting screw is equipped with a plurality ofly, apron one side is equipped with a plurality of round holes, adjusting screw one end runs through round hole and screw hole threaded connection.
Preferably, a connecting pipe penetrates through one side of the cover plate and is fixedly connected with the cover plate, and a flange plate is fixed on one side of the connecting pipe.
Preferably, fixed frame top is equipped with two fixed bolsters, and two fixed bolsters are the symmetry and set up, fixed bolster one side is equipped with the fixed block, the fixed block passes through bolted connection with the apron, the fixed bolster opposite side is fixed with articulated seat.
Preferably, one end of the hinge rod is hinged to the hinge seat, and the other end of the hinge rod is provided with a clamping hole.
Preferably, the top of the fixing frame is provided with two fixing seats, the two fixing seats are symmetrically arranged, each fixing seat is of a v-21274-shaped structure, a locking rod penetrates through one side of each fixing seat, one end of each locking rod is fixed with a stop block, one end of each hinge rod is connected to the inner wall of each fixing seat in a clearance mode, and each locking rod is connected to the inner wall of each circular hole clamping hole in a sliding mode.
Preferably, two supporting blocks are fixed at the top of the fixing frame and symmetrically arranged, supporting shafts are fixed on one sides of the supporting blocks and respectively penetrate through the two fixing supports, and the supporting shafts are rotatably connected with the fixing supports.
Preferably, the two sides of the fixed frame are both provided with sliding blocks, the fixed frame is fixedly connected with the sliding blocks, and the two sliding blocks are symmetrically arranged.
Preferably, the longitudinal section of each side plate is of an L-shaped structure, the number of the side plates is two, the two side plates are symmetrically arranged, the bottoms of the side plates are fixedly connected with the bottom plate through bolts, and the other sides of the side plates are provided with sliding blocks which are connected to the rectangular holes in a sliding mode.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, through the arrangement of the adjusting screw, tools are not needed in the process of assembling and disassembling the cover plate and the dry-type screw vacuum pump body, so that the assembly and disassembly are very convenient;
2. the fixed frame is connected with the side plate in a sliding manner through the sliding block, so that the adjustment of the distance between the cover plate and the dry-type screw vacuum pump body is facilitated, the adjustment of the position of the sealing ring is facilitated, and the leakage caused by damage in the installation process of the sealing ring is avoided;
3. through back shaft and fixed bolster rotation connection, carry out the fixed bolster rotation, make the rotation of apron, make apron one side lean on fixed frame, be convenient for carry out the dismantlement of apron, make hinge bar one end insert in the fixing base to inject in the fixing base and run through the round hole through the locking lever, thereby realize the quick fixed of apron, make apron and discharge gate parallel and level, be convenient for install.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a perspective view of the positioning mechanism of the present invention;
FIG. 3 is a perspective view of the mounting bracket of the present invention;
fig. 4 is a perspective view of the fixing frame of the present invention.
In the figure: 1. a motor; 2. a speed reducer; 3. a dry screw vacuum pump body; 31. a feed inlet; 32. a fixing ring; 4. a positioning mechanism; 41. a cover plate; 411. a connecting pipe; 412. a flange plate; 42. adjusting the screw rod; 43. fixing a bracket; 431. a fixed block; 432. a hinged seat; 433. a hinged lever; 4331. a clamping hole; 44. a fixed frame; 441. a fixed seat; 442. a lock lever; 443. a slider; 444. a support block; 445. a support shaft; 45. side plates.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a dismouting mechanism of dry-type screw pump casing, comprising a base plate, motor 1 is installed at the bottom plate top, speed reducer 2 is installed to one side of motor 1, dry-type screw vacuum pump body 3 is installed to one side of speed reducer 2, 3 tops of dry-type screw vacuum pump body are equipped with feed inlet 31, 3 one sides of dry-type screw vacuum pump body are equipped with the discharge gate, discharge gate one end can be dismantled and be connected with positioning mechanism 4, positioning mechanism 4 includes apron 41, adjusting screw 42, fixed bolster 43, fixed frame 44 and curb plate 45, adjusting screw 42 rotates to be connected on apron 41, fixed bolster 43 one side and apron 41 fixed connection, apron 41 one side is rotated and is connected with hinge bar 433, and hinge bar 433 can dismantle and connect in fixing base 441, fixed frame 44 sliding connection is on curb plate 45.
Dry-type screw vacuum pump body 3 one side is fixed with solid fixed ring 32, and solid fixed ring 32 one side is equipped with a plurality of screw holes, and a plurality of screw holes are the setting of annular equidistance.
Be equipped with the sealing washer between apron 41 and the solid fixed ring 32, adjusting screw 42 one end is fixed with the handle, and adjusting screw 42 middle-end is fixed with the stopper, and adjusting screw 42 is equipped with a plurality ofly, and apron 41 one side is equipped with a plurality of round holes, and adjusting screw 42 one end runs through round hole and screw hole threaded connection, and adjusting screw 42's setting makes apron 41 and 3 dismouting in-process of dry-type screw vacuum pump body need not be with the help of the instrument, convenience very.
A connecting pipe 411 is inserted through one side of the cover plate 41, the connecting pipe 411 is fixedly connected with the cover plate 41, and a flange 412 is fixed on one side of the connecting pipe 411.
Two fixed brackets 43 are arranged at the top of the fixed frame 44, the two fixed brackets 43 are symmetrically arranged, a fixed block 431 is arranged on one side of each fixed bracket 43, the fixed block 431 is connected with the cover plate 41 through a bolt, and a hinged seat 432 is fixed on the other side of each fixed bracket 43.
One end of the hinge rod 433 is hinged to the hinge seat 432, and the other end of the hinge rod 433 is provided with a clamping hole 4331.
Fixed frame 44 top is equipped with two fixing bases 441, two fixing bases 441 are the symmetry and set up, fixing base 441 is \ 21274, the shape structure, fixing base 441 one side runs through there is locking lever 442, locking lever 442 one end is fixed with the dog, hinged rod 433 one end gap connection is at the fixing base 441 inner wall, and locking lever 442 sliding connection is at round hole card hole 4331 inner wall, make hinged rod 433 one end insert in the fixing base 441, inject in the fixing base 441 and run through the round hole through locking lever 442, thereby realize the quick fixed to apron 41, make apron 41 and discharge gate parallel and level, be convenient for install.
Two supporting blocks 444 are fixed at the top of the fixed frame 44, the two supporting blocks 444 are symmetrically arranged, a supporting shaft 445 is fixed on one side of each supporting block 444, the two supporting shafts 445 penetrate through the two fixed brackets 43 respectively, the supporting shafts 445 are rotatably connected with the fixed brackets 43 and are rotatably connected with the fixed brackets 43 through the supporting shafts 445, the fixed brackets 43 are rotated, and therefore the cover plate 41 is rotated, and one side of the cover plate 41 leans against the fixed frame 44.
The two sides of the fixed frame 44 are both provided with a sliding block 443, the fixed frame 44 is fixedly connected with the sliding blocks 443, and the two sliding blocks 443 are symmetrically arranged.
The longitudinal section of the side plate 45 is of an L-shaped structure, the side plates 45 are provided with two side plates 45, the two side plates 45 are symmetrically arranged, the bottoms of the side plates 45 are fixedly connected with the bottom plate through bolts, the other side of the side plate 45 is provided with a sliding block 443, the sliding block 443 is slidably connected with the rectangular hole, the fixed frame 44 is slidably connected with the side plates 45 through the sliding block 443, the distance between the cover plate 41 and the dry type screw vacuum pump body 3 can be conveniently adjusted, the position of a sealing ring can be conveniently adjusted, and leakage can be avoided.
During specific use, can make dry-type screw vacuum pump body 3 and external pipe connection through ring flange 412, through rotatory handle, adjusting screw 42 and solid fixed ring 32 separation, pulling fixed frame 44, slider 443 slides in the rectangular hole of curb plate 45, until apron 41, sealing washer and solid fixed ring 32 separation, through extracting two locking levers 442, locking lever 442 and the round hole separation of hinge bar 433, can rotate fixed bolster 43, fixed bolster 43 rotates at back shaft 445 outer wall, until ring flange 412 and fixed frame 44 top contact, realize the quick dismantlement of apron 41.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.