CN214720885U

CN214720885U - Thread groove milling device for producing screw rotor of expansion machine for LNG production

Info

Publication number: CN214720885U
Application number: CN202120427630.2U
Authority: CN
Inventors: 霍耀辉; 赵喜峰; 张振东
Original assignee: Luoyang Xinao Huayou Gas Co ltd
Current assignee: Luoyang Xinao Huayou Gas Co ltd
Priority date: 2021-02-26
Filing date: 2021-02-26
Publication date: 2021-11-16
Anticipated expiration: 2031-02-26

Abstract

The utility model discloses a screw rotor production of expander is with milling thread groove device for LNG production, include slewing mechanism, mill the mechanism, be used for the adjustment mill adjustment mechanism, the frame of mechanism processing position, slewing mechanism is located frame one side, mill the mechanism and be located the frame top, adjustment mechanism is located the frame is inboard. The utility model discloses in utilizing the feeder hopper to come into the screw rod and sending into the stirring frame, utilize the material loading cylinder to come into the screw rod that treats processing in the material loading seat upwards propelling movement to the processing position simultaneously to can alleviate the artifical intensity of labour who places screw rotor, utilize the upset motor to drive the stirring frame through drive gear and carry out the rotation of certain angle, thereby make things convenient for sending into and sending out the stirring frame in screw rotor, thereby can shorten the time of whole upper and lower screw rotor, also can improve whole machining efficiency then.

Description

Thread groove milling device for producing screw rotor of expansion machine for LNG production

Technical Field

The utility model relates to a LNG production of equipment field especially relates to a screw rotor production of expander is with milling thread groove device for LNG production.

Background

LNG is the abbreviation of liquefied natural gas, and the expander is the essential equipment of production LNG, and the screw rod expander is a heat engine that relies on gas volume expansion, and drive screw rod rotor is rotatory, converts heat energy into mechanical energy. The power machine is a new power machine which is developed in the 21 st century for a long time, can be widely applied to the fields of industrial waste heat recovery, geothermal power generation, biomass power generation and the like, can directly drive a generator, and can also directly drive mechanical equipment such as a pump, a fan and the like; to the production of screw rotor among the screw expander, need the operative employee to place heavy screw rotor raw materials and mill the thread groove on special thread milling machine, at this in-process, because the manual work is carried and is installed its holistic efficiency very low through hoisting machine structure, then can pull down the machining speed of whole screw rotor, simultaneously at the ejection of compact in-process after the processing is ended, need pull up screw rotor by hoisting machine structure to can cause the damage of screw rotor thread groove, then influence screw rotor's machining precision.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a screw rotor production of expander is with milling thread groove device for solving above-mentioned problem just provides a LNG production.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

a thread groove milling device for screw rotor production of an expansion machine for LNG production comprises a rotating mechanism, a milling mechanism, an adjusting mechanism for adjusting the machining position of the milling mechanism, a machine base, a feeding mechanism and a guide mechanism, wherein the rotating mechanism is positioned on one side of the machine base, the milling mechanism is positioned above the machine base, the adjusting mechanism is positioned on the inner side of the machine base, the feeding mechanism comprises a feeding seat, a feeding cylinder, a turning motor, a turning frame and a driving gear, the fixed part of the feeding cylinder is arranged at the bottom of the inner side of the machine base, two sides of the upper end of the feeding seat are arranged at the telescopic part of the feeding cylinder, the turning motor is arranged on the inner side of the feeding seat, the turning frame is positioned at the top of the feeding seat, and the driving gear is arranged in the middle of the feeding seat; guide mechanism includes feeder hopper, feeding frame, play hopper, play work or material rest, the feeder hopper is installed the frame front side, the feeding frame is installed the frame front side just is located the feeder hopper below, the feeding frame is installed the frame rear side, it installs to go out the work or material rest the frame rear side just is located go out the hopper below.

Preferably: the rotating mechanism comprises a rotating motor, a three-jaw chuck, a jacking frame and a jacking cylinder, the rotating motor is connected to one end of the base through a bolt, the three-jaw chuck is installed on one side inside the base, the fixed part of the jacking cylinder is connected to the other end of the base through a bolt, and the jacking frame is installed on the telescopic part of the jacking cylinder.

According to the arrangement, the rotating part of the rotating motor is used for driving the three-jaw chuck to rotate, the telescopic part of the jacking cylinder is used for pushing the jacking frame to move to one side, and meanwhile, the three-jaw chuck and the jacking frame are used for clamping and fixing two ends of the screw rotor.

Preferably: adjustment mechanism includes accommodate motor, lead screw, sprocket, chain, accommodate motor passes through bolted connection frame one end just is located rotate the motor below, the lead screw passes through the bearing and connects both sides around the frame is inside, the sprocket key is connected the lead screw other end, the chain sets up the sprocket outside.

According to the arrangement, the adjusting motor rotating part is used for driving the screw rods to rotate, and meanwhile, the chain wheel and the chain are used for driving the two screw rods to synchronously rotate.

Preferably: adjustment mechanism includes accommodate motor, lead screw, band pulley, belt, accommodate motor passes through bolted connection frame one end just is located rotate the motor below, the lead screw passes through the bearing and connects both sides around the frame is inside, the band pulley key joint is in the lead screw other end, the belt sets up the band pulley outside.

According to the arrangement, the adjusting motor rotating part is used for driving the screw rods to rotate, and the belt wheel and the belt are used for driving the two screw rods to synchronously rotate.

Preferably: milling mechanism including milling the cylinder, milling the frame, milling the seat, milling motor, milling the head, it passes through threaded connection to mill a lower extreme the lead screw outside, it passes through bolted connection to mill the cylinder fixed part and is in mill a top, it installs to mill the seat mill cylinder pars contractilis, it passes through bolted connection to mill the motor mill a intermediate position, the milling head is installed mill motor rotation portion.

According to the arrangement, the milling air cylinder is driven to be located at the position of the screw rotor by moving the two sides of the milling frame, the telescopic part of the milling air cylinder pushes the milling seat to move downwards, and meanwhile, the milling motor rotating part drives the milling head to rotate.

Preferably: the feeding cylinder fixing part is connected with the base through a bolt, the feeding seat is connected with the feeding cylinder telescopic part through a thread, the overturning motor is connected with the feeding seat through a bolt, and the driving gear is connected with the feeding seat through a driving shaft.

According to the arrangement, the feeding cylinder telescopic part is used for pushing the feeding seat to move upwards, and the screw rotor to be processed is conveyed to the middle position of the rotating mechanism through the material overturning frame.

Preferably: the feeder hopper with the frame passes through welded connection, the feeding frame with the frame passes through bolted connection, the feeding frame with the frame passes through welded connection, go out the work or material rest with the frame passes through bolted connection.

So set up, utilize the feeding frame comes to support the feeder hopper, utilize simultaneously the play work or material rest comes to support the play work or material rest.

Preferably: the material turning frame is integrally of an arc-shaped structure, and a gear ring is arranged in the middle of the arc surface at the bottom side of the material turning frame.

According to the arrangement, the material turning frame is driven to turn by the gear ring at the bottom of the material turning frame and the transmission of the driving gear.

Preferably: one end of the base is provided with a convex support plate, and the front side and the rear side of the middle position of the base are provided with slide rails.

According to the arrangement, the rotating mechanism is supported and fixed by the support plate of the base.

Preferably: the rear end of the feed hopper is positioned above the front side of the material turning frame, and the front end of the discharge hopper is positioned below the rear side of the material turning frame.

According to the arrangement, the feed hopper is used for guiding the screw rotor into the material turning frame, and the discharge hopper is used for guiding the processed screw rotor into the material turning frame.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the screw is fed into the material turning frame by the feed hopper, and the screw to be processed in the material feeding seat is pushed upwards to a processing position by the material feeding cylinder, so that the labor intensity of manually placing the screw rotor can be reduced;

2. utilize the upset motor to drive the stirring frame through drive gear and carry out the rotation of certain angle to conveniently send into and send out the stirring frame in screw rotor, thereby can shorten whole time of screw rotor from top to bottom, also can improve whole machining efficiency then.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of an embodiment 1 of a thread groove milling device for producing a screw rotor of an expander for LNG production according to the present invention;

fig. 2 is a schematic structural diagram of an embodiment 2 of a thread groove milling device for producing a screw rotor of an expander for LNG production according to the present invention;

fig. 3 is a partial part diagram of an embodiment 1 of an adjusting mechanism of a thread groove milling device for producing a screw rotor of an expander for LNG production according to the present invention;

fig. 4 is a partial part diagram of an embodiment 2 of an adjusting mechanism of a thread groove milling device for producing a screw rotor of an expander for LNG production according to the present invention;

fig. 5 is a partial part view of a rotating mechanism of a thread groove milling device for producing a screw rotor of an expander for LNG production according to the present invention;

fig. 6 is a partial part diagram of a material guiding mechanism of a thread groove milling device for screw rotor production of an expander for LNG production according to the present invention;

fig. 7 is a partial part diagram of a feeding mechanism of a thread groove milling device for producing a screw rotor of an expander for LNG production according to the present invention;

fig. 8 is a sectional view of a material guiding mechanism of a thread groove milling device for screw rotor production of an expander for LNG production.

The reference numerals are explained below:

1. a feeding mechanism; 2. a material guiding mechanism; 3. a rotating mechanism; 4. a milling mechanism; 5. an adjustment mechanism; 6. a machine base; 11. a feeding seat; 12. a feeding cylinder; 13. turning over a motor; 14. a material turning frame; 15. a drive gear; 21. a feed hopper; 22. a feeding frame; 23. a discharge hopper; 24. a discharging frame; 31. rotating the motor; 32. a three-jaw chuck; 33. a jacking frame; 34. the jacking cylinder; 41. milling a cylinder; 42. a milling frame; 43. milling a seat; 44. milling a motor; 45. milling a head; 51. adjusting the motor; 52. a lead screw; 53. a sprocket; 54. a chain; 513. a pulley; 514. a belt.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and 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 therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

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.

The present invention will be further explained with reference to the accompanying drawings:

a thread groove milling device for producing a screw rotor of an expansion machine for LNG production comprises a rotating mechanism 3, a milling mechanism 4, an adjusting mechanism 5 for adjusting the machining position of the milling mechanism 4, and a machine base 6, wherein the rotating mechanism 3 is positioned on one side of the machine base 6, the milling mechanism 4 is positioned above the machine base 6, the adjusting mechanism 5 is positioned on the inner side of the machine base 6, the thread groove milling device also comprises a feeding mechanism 1 and a material guiding mechanism 2, the feeding mechanism 1 comprises a feeding seat 11, a feeding air cylinder 12, a turning motor 13, a turning frame 14 and a driving gear 15, the fixing part of the feeding air cylinder 12 is arranged at the bottom of the inner side of the machine base 6, the two sides of the upper end of the feeding seat 11 are arranged at the telescopic part of the feeding air cylinder 12, the turning motor 13 is arranged on the inner side of the feeding seat 11, the turning frame 14 is positioned at the top of the feeding seat 11, and the driving gear 15 is arranged at the middle position of the feeding seat 11; guide mechanism 2 includes feeder hopper 21, feeding frame 22, play hopper 23, play work or material rest 24, and feeder hopper 21 installs in 6 front sides of frame, and feeding frame 22 installs in 6 front sides of frame and is located feeder hopper 21 below, and feeding frame 22 installs in 6 rear sides of frame, goes out work or material rest 24 and installs in 6 rear sides of frame and is located out hopper 23 below.

Example 1

As shown in fig. 1, 3, 5, 6, 7, and 8, the rotating mechanism 3 includes a rotating motor 31, a three-jaw chuck 32, a pressing frame 33, and a pressing cylinder 34, the rotating motor 31 is connected to one end of the base 6 through a bolt, the three-jaw chuck 32 is installed at one side inside the base 6, a fixing portion of the pressing cylinder 34 is connected to the other end of the base 6 through a bolt, the pressing frame 33 is installed at a telescopic portion of the pressing cylinder 34, the rotating portion of the rotating motor 31 is used to drive the three-jaw chuck 32 to rotate, the telescopic portion of the pressing cylinder 34 is used to push the pressing frame 33 to move to one side, and the three-jaw chuck 32 and the pressing frame 33 are used to clamp and fix two ends of the screw rotor; the adjusting mechanism 5 comprises an adjusting motor 51, a screw rod 52, a chain wheel 53 and a chain 54, wherein the adjusting motor 51 is connected to one end of the base 6 through a bolt and is positioned below the rotating motor 31, the screw rod 52 is connected to the front side and the rear side inside the base 6 through a bearing, the chain wheel 53 is connected to the other end of the screw rod 52 in a key mode, the chain 54 is arranged on the outer side of the chain wheel 53, the rotating part of the adjusting motor 51 is used for driving the screw rod 52 to rotate, and meanwhile, the transmission of the chain wheel 53 and the chain 54 is used for driving the two screw rods 52 to synchronously rotate; the milling mechanism 4 comprises a milling cylinder 41, a milling frame 42, a milling seat 43, a milling motor 44 and a milling head 45, the lower end of the milling frame 42 is connected to the outer side of a screw rod 52 through threads, the fixed part of the milling cylinder 41 is connected to the top of the milling frame 42 through a bolt, the milling seat 43 is installed on the telescopic part of the milling cylinder 41, the milling motor 44 is connected to the middle position of the milling seat 43 through a bolt, the milling head 45 is installed on the rotating part of the milling motor 44, the milling cylinder 41 is driven to be located at the position of a screw rod rotor by utilizing the movement of two sides of the milling frame 42, the telescopic part of the milling cylinder 41 pushes the milling seat 43 to move downwards, and meanwhile, the rotating part of the milling motor 44 drives the milling head 45 to rotate; the fixed part of the feeding cylinder 12 is connected with the base 6 through a bolt, the feeding seat 11 is connected with the telescopic part of the feeding cylinder 12 through a thread, the overturning motor 13 is connected with the feeding seat 11 through a bolt, the driving gear 15 is connected with the feeding seat 11 through a driving shaft, the telescopic part of the feeding cylinder 12 is used for pushing the feeding seat 11 to move upwards, and a screw rotor to be processed is conveyed to the middle position of the rotating mechanism 3 through the material overturning frame 14; the feeding hopper 21 is connected with the base 6 through welding, the feeding frame 22 is connected with the base 6 through bolts, the feeding frame 22 is connected with the base 6 through welding, the discharging frame 24 is connected with the base 6 through bolts, the feeding frame 22 is used for supporting the feeding hopper 21, and the discharging frame 24 is used for supporting the discharging hopper 23; the material turning frame 14 is integrally of an arc-shaped structure, a gear ring is arranged in the middle of the arc surface at the bottom side of the material turning frame 14, and the material turning frame 14 is driven to turn by the transmission of the gear ring at the bottom of the material turning frame 14 and the driving gear 15; one end of the base 6 is provided with a convex support plate, the front side and the rear side of the middle position of the base 6 are provided with slide rails, and the support plate of the base 6 is utilized to support and fix the rotating mechanism 3; the rear end of the feed hopper 21 is positioned above the front side of the material turning frame 14, the front end of the discharge hopper 23 is positioned below the rear side of the material turning frame 14, the screw rotors are guided into the material turning frame 14 by the feed hopper 21, and meanwhile, the processed screw rotors in the material turning frame 14 are guided into the discharge hopper 23.

The working principle is as follows: when the screw rotor machining device is used, a screw rotor to be machined is placed on the inner side of the front end of the feeding hopper 21, the screw rotor in the feeding hopper 21 rolls down in the material overturning frame 14, then the telescopic part of the feeding cylinder 12 pushes the feeding seat 11 to move upwards, and when the arc-shaped screw rotor to be machined and the three-jaw chuck 32 are in the concentric position, the action of the feeding cylinder 12 is stopped; meanwhile, the telescopic part of the jacking cylinder 34 pushes the jacking frame 33 to move to one side, at the moment, one end of the screw rotor to be processed is jacked into the center of the three-jaw chuck 32 by utilizing a jacking head at one side of the jacking frame 33, then one end of the screw rotor to be processed is clamped manually by rotating a concave screw on the three-jaw chuck 32, and then the telescopic part of the feeding cylinder 12 restores to the initial position, meanwhile, the rotating part of the rotating motor 31 drives the three-jaw chuck 32 to rotate at a certain speed, then the telescopic part of the milling cylinder 41 is utilized to push the milling seat 43 to move downwards, meanwhile, the rotating part of the milling motor 44 drives the milling head 45 to rotate, the screw rotor is milled through the milling head 45, in the process, the rotating part of the adjusting motor 51 drives the lead screws 52 to rotate, meanwhile, the two lead screws 52 are driven to synchronously move by the transmission of the chain wheel 53 and the chain 54, and then the two lead screws 52 drive the milling frame 42 to move to the other side at a certain speed; after the screw rotor is machined, the telescopic part of the feeding cylinder 12 is used for pushing the feeding seat 11 to move upwards, the machined screw rotor is placed in the material turning frame 14, then the feeding seat 11 is restored to the initial position, meanwhile, the rotating part of the turning motor 13 drives the driving gear 15 to rotate reversely, and then the material turning frame 14 is turned backwards under the driving of the driving gear 15, so that the machined screw rotor in the material turning frame 14 is sent to the front end of the discharging hopper 23, and the machined screw rotor is led out along the discharging hopper 23; then, the next screw rotor can be milled.

Example 2

As shown in fig. 2 and 4, the difference between the embodiment 2 and the embodiment 1 is that the adjusting mechanism 5 includes an adjusting motor 51, a lead screw 52, a belt wheel 513 and a belt 514, the adjusting motor 51 is connected to one end of the base 6 through a bolt and located below the rotating motor 31, the lead screw 52 is connected to the front and rear sides inside the base 6 through a bearing, the belt wheel 513 is connected to the other end of the lead screw 52 through a key, the belt 514 is disposed outside the belt wheel 513, the rotating part of the adjusting motor 51 is used to drive the lead screw 52 to rotate, and the transmission of the belt wheel 513 and the belt 514 is used to drive the two lead screws 52 to synchronously rotate.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a screw rotor production of expander is with milling thread groove device for LNG production, includes slewing mechanism (3), mills mechanism (4), is used for the adjustment mill adjustment mechanism (5), frame (6) of mechanism (4) processing position, slewing mechanism (3) are located frame (6) one side, mill mechanism (4) and be located frame (6) top, adjustment mechanism (5) are located frame (6) are inboard, its characterized in that: the automatic feeding device is characterized by further comprising a feeding mechanism (1) and a material guide mechanism (2), wherein the feeding mechanism (1) comprises a feeding seat (11), a feeding cylinder (12), a turning motor (13), a material turning frame (14) and a driving gear (15), the fixed part of the feeding cylinder (12) is installed at the bottom of the inner side of the machine base (6), two sides of the upper end of the feeding seat (11) are installed at the telescopic part of the feeding cylinder (12), the turning motor (13) is installed on the inner side of the feeding seat (11), the material turning frame (14) is located at the top of the feeding seat (11), and the driving gear (15) is installed in the middle of the feeding seat (11); guide mechanism (2) are including feeder hopper (21), feeding frame (22), play hopper (23), play hopper (24), feeder hopper (21) are installed frame (6) front side, feeding frame (22) are installed frame (6) front side just is located feeder hopper (21) below, feeding frame (22) are installed frame (6) rear side, it installs to go out hopper (24) frame (6) rear side just is located go out hopper (23) below.

2. The thread groove milling device for producing the screw rotor of the expander for LNG production according to claim 1, wherein: slewing mechanism (3) are including rotating motor (31), three-jaw chuck (32), roof pressure frame (33), roof pressure cylinder (34), it passes through bolted connection to rotate motor (31) frame (6) one end, three-jaw chuck (32) are installed inside one side of frame (6), roof pressure cylinder (34) fixed part passes through bolted connection frame (6) the other end, roof pressure frame (33) are installed roof pressure cylinder (34) pars contractilis.

3. The thread groove milling device for producing the screw rotor of the expander for LNG production according to claim 2, wherein: adjustment mechanism (5) are including adjusting motor (51), lead screw (52), sprocket (53), chain (54), adjusting motor (51) pass through bolted connection frame (6) one end and being located rotate motor (31) below, lead screw (52) are connected through the bearing both sides around frame (6) is inside, sprocket (53) key-type connection is in lead screw (52) other end, chain (54) set up the sprocket (53) outside.

4. The thread groove milling device for producing the screw rotor of the expander for LNG production according to claim 2, wherein: adjustment mechanism (5) are including adjusting motor (51), lead screw (52), band pulley (513), belt (514), adjusting motor (51) pass through bolted connection frame (6) one end and be located rotating motor (31) below, lead screw (52) are connected through the bearing both sides around frame (6) is inside, band pulley (513) key-type connection is in lead screw (52) other end, belt (514) set up band pulley (513) outside.

5. The thread groove milling device for producing the screw rotor of the expander for LNG production according to claim 3 or 4, wherein: milling mechanism (4) including milling cylinder (41), milling frame (42), mill seat (43), mill motor (44), milling head (45), mill frame (42) lower extreme through threaded connection in the lead screw (52) outside, mill cylinder (41) fixed part through bolted connection mill frame (42) top, install milling seat (43) mill cylinder (41) pars contractilis, it is in through bolted connection to mill motor (44) mill seat (43) intermediate position, install milling head (45) mill motor (44) rotation portion.

6. The thread groove milling device for producing the screw rotor of the expander for LNG production according to claim 1, wherein: the feeding cylinder (12) fixing part is connected with the base (6) through a bolt, the feeding seat (11) is connected with the telescopic part of the feeding cylinder (12) through a thread, the overturning motor (13) is connected with the feeding seat (11) through a bolt, and the driving gear (15) is connected with the feeding seat (11) through a driving shaft.

7. The thread groove milling device for producing the screw rotor of the expander for LNG production according to claim 1, wherein: feeder hopper (21) with frame (6) are through welded connection, feeding frame (22) with frame (6) are through bolted connection, feeding frame (22) with frame (6) are through welded connection, go out work or material rest (24) with frame (6) are through bolted connection.

8. The thread groove milling device for producing the screw rotor of the expander for LNG production according to claim 1, wherein: the stirring frame (14) is integrally of an arc-shaped structure, and a gear ring is arranged in the middle of the arc surface at the bottom side of the stirring frame (14).

9. The thread groove milling device for producing the screw rotor of the expander for LNG production according to claim 1, wherein: one end of the base (6) is provided with a convex support plate, and the front side and the rear side of the middle position of the base (6) are provided with slide rails.

10. The thread groove milling device for producing the screw rotor of the expander for LNG production according to claim 1, wherein: the rear end of the feed hopper (21) is positioned above the front side of the material turning frame (14), and the front end of the discharge hopper (23) is positioned below the rear side of the material turning frame (14).