CN217618933U

CN217618933U - Motor-driven screw pulling mechanism

Info

Publication number: CN217618933U
Application number: CN202221420953.XU
Authority: CN
Inventors: 凌伟诚
Original assignee: Jiangmen Prc Machinery Equipment Co ltd
Current assignee: Jiangmen Prc Machinery Equipment Co ltd
Priority date: 2022-06-08
Filing date: 2022-06-08
Publication date: 2022-10-21
Anticipated expiration: 2032-06-08

Abstract

The utility model discloses a motor drive pulls out screw rod mechanism, draw the piece including rack, planker driving, motor device and screw rod, the planker driving can be installed around horizontal migration on the rack, be provided with on the rack and extend and be located along the front and back the rack guide rail of planker driving below, motor device installs the upside that the planker was driven, motor device's output shaft extends to the downside that the planker was driven and install with rack guide rail corresponds transmission meshing's drive gear, the screw rod is drawn the piece and is installed the planker is driven upward. The motor-driven screw pulling mechanism is compact in structure, high in space utilization rate, capable of stably and efficiently pulling the screw, constant and accurate in force application and capable of well avoiding damage to the screw.

Description

Motor-driven screw pulling mechanism

Technical Field

The utility model relates to a screw rod pulls out equipment technical field, especially relates to a motor drive pulls out screw rod mechanism.

Background

At present, some large-scale equipment structures contain long screws, such as extruders, and the equipment needs to be periodically pulled out to maintain after running for a certain time, some screw pulling-out equipment is commonly used for operation at present, most of the old screw pulling-out equipment directly pulls out the screws through a traction mechanism or a hydraulic cylinder, and the mechanisms apply force to the screws in a non-stable and unchangeable mode in the operation process, for example, the angle of a traction rope driven by a motor naturally and continuously changes along with the retraction length of the traction rope, most of the structures are directly connected with the screws through a fixed driving device to drive, and a certain space is required to be reserved in the equipment, so the self weight of the components is small, the center of gravity is small, the whole structure is unstable in the whole process of pulling out the screws, the effect in the process of actually pulling out the screws is not very good, and the mechanism for pulling out and applying force by utilizing the hydraulic cylinder correspondingly increases the volume of the mechanisms, so that the large space is required to be occupied in the screw pulling-out equipment, the distribution of the mechanism is complex to realize compactness and high effectiveness.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the motor-driven screw pulling mechanism is compact in structure, small in occupied space and good in pulling effect.

The utility model provides a motor drive pulls out screw rod mechanism, draws a piece including rack, planker driving, motor device and screw rod, the planker driving can be installed around horizontal migration on the rack, be provided with on the rack and extend and be located along the front and back the rack guide of planker driving below, motor device installs the upside that the planker was driven, motor device's output shaft extends to the downside that the planker was driven and install with rack guide corresponds transmission meshing's drive gear, the screw rod is drawn a piece and is installed on the planker driving.

As an optimized scheme of the utility model, the downside of planker driving be provided with rack guide rail swing joint's connecting piece.

As a preferred scheme of the utility model, the connecting piece is the bearing through the spindle connection, drive gear is located one side of rack guide rail, the connecting piece is located rack guide rail dorsad one side of drive gear, just rack guide rail is provided with the matching butt the spacing draw-in groove of connecting piece.

As a preferred scheme of the utility model, be provided with two piece at least guide arms that parallel on the rack, the planker driving is provided with the matching the guide pulley of guide arm, the guide arm with rack guide parallel and distribute in rack guide's both sides.

As the utility model discloses a preferred scheme, the guide arm is provided with along axially extended spacing groove, the lower part that the planker was driven a vehicle is provided with the matching sliding joint and is in the lug of spacing inslot.

As the utility model discloses an optimized scheme, install on the planker driving and be used for the installation the screw rod draws the plank seat of piece, the plank seat is the portal frame shape, the lower extreme of plank seat with the planker driving is connected, just the inboard top surface of plank seat is higher than motor means.

As the utility model discloses a preferred scheme, the screw rod is drawn piece and is included screw rod anchor clamps and/or tow chain, be provided with on the top of plate holder and be used for linking firmly screw rod anchor clamps's anchor clamps installation position, the front end of plate holder are provided with and are used for connecting the connector of tow chain, screw rod anchor clamps include lower holder and last holder, down the holder with go up the holder and install and remove the connection.

As the utility model discloses an optimal scheme, lower holder with be provided with the aluminium support that can install and remove the change on the inboard of going up the holder respectively, lower holder with the inboard of going up the holder all is provided with the matching the storage tank of aluminium support.

As the utility model discloses an optimal scheme, the one end of lower holder with the one end of going up the holder is rotated articulatedly, the other end of lower holder rotates and articulates there is the kelly, the other end of going up the holder is provided with the matching joint the bayonet socket of kelly.

As the preferred proposal of the utility model, the upper clamping seat is provided with a handle.

The embodiment of the utility model provides a motor drive pulls out screw rod mechanism compares with prior art, and its beneficial effect lies in: compact structure, space utilization is high, can pull out the screw rod steadily high-efficiently, and the application of force is invariable and accurate, avoids the screw rod impaired well.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural view of a connection embodiment of the carriage traveling crane and the screw clamp of the present invention;

FIG. 3 is a front view of the embodiment of FIG. 2;

fig. 4 is a schematic structural view of an embodiment of the middle screw clamp of the present invention.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it should be understood that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are used in a broad sense, and for example, may be 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 in specific cases to those skilled in the art.

In the description of the present invention, it should be further understood that the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", and the like 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, and do not indicate or imply that the machine or component in question must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present invention.

Referring to fig. 1, the embodiment of the present invention provides a motor-driven screw pulling mechanism, which comprises a rack 4, a carriage traveling crane 5, a motor device 65 and a screw pulling member, wherein the carriage traveling crane 5 can be installed on the rack 4 in a front-back horizontal moving manner, the rack 4 is provided with a rack guide rail 46 extending along a front-back direction and located below the carriage traveling crane 5, the motor device 65 is installed on an upper side of the carriage traveling crane 5, an output shaft of the motor device 65 extends to a lower side of the carriage traveling crane 5 and is provided with a driving gear 66 in transmission engagement with the rack guide rail 46, the screw pulling member is installed on the carriage traveling crane 5, the carriage traveling crane 5 of the mechanism drives the rack guide rail 46 to move back and forth stably on the rack 4 by driving the motor device 65 on the carriage traveling crane 5 through the meshing transmission of the driving gear 66 and the rack, therefore, the stable screw pulling operation is realized through the screw pulling part, the motor device 65 and the rack guide rail 46 are reasonably distributed on the carriage 5 at the upper side and the lower side, so that the carriage 5 and the motor device 65 can compactly form a modularized structure body, no extra structure is required to be arranged on the rack 4, the space occupation of the mechanism is greatly simplified, particularly, the rack guide rail 46, the driving gear 66 and other components can be moved in a small space between the carriage 5 and the rack 4, meanwhile, the motor device 65 can be a speed reducing motor, a servo motor, a stepping motor and the like and forms a low gravity center on the carriage 5, so the space occupation or waste can be greatly reduced, the carriage 5 can be well driven by applying force under the rack guide rail 46, the driving force for pulling out the screw is quite efficient, and the carriage 5 can utilize the slide rail and the slide block to realize the stable screw pulling operation, the wheel rails and the like are used for stably moving and supporting on the rack 4, and the movement is stable and firm.

Referring to fig. 1-3, the lower side of the carriage cart 5 is illustratively provided with a connector 54 that is movably connected to the rack guide 46, and the connector may be a sleeve or a jacket that is engaged with the rack guide 46, or a structure that is movably engaged with the rack guide 46, so that the carriage cart 5 can only move back and forth along the rack guide 46, and the driving gear 66 can be engaged with the rack guide 46, thereby preventing driving failure.

Referring to fig. 1-3, illustratively, the connecting member 54 is a bearing connected by a mandrel, the driving gear 66 is located on one side of the rack guide 46, the connecting member 54 is located on the side of the rack guide 46 opposite to the driving gear 66, and the rack guide 46 is axially provided with a limit catch groove extending forward and backward to match and abut against the connecting member 54, so that the connecting member 54 and the driving gear 66 cooperatively clamp the rack guide 46, while the bearing of the connecting member 54 is in the limit catch groove of the rack guide 46 to limit the movement in the direction perpendicular to the bearing to prevent derailment, while the bearing can reduce the friction to the maximum by rolling, as can be seen, preferably, the driving gear 66 and the connecting member 54 are respectively on the left side and the right side of the rack guide 46, therefore, the limit slot of the rack guide rail 46 is matched with the bearing of the connecting piece 54 to lock the carriage traveling crane 5 to move up and down and separate, the connecting piece 54 can be two or more bearings which are linearly arranged, so that triangular stress arrangement is formed between the connecting piece 54 and the driving gear, the rack guide rail 46 is well movably connected, the driving gear 66 and the bearing of the connecting piece 54 can be connected with the rack guide rail 46 one by one, in addition, the connecting piece 54 can be a groove-shaped pulley or a driven gear to be in rolling contact with or meshed with a rack on the outer wall of one side of the rack guide rail 46, the rack guide rail 46 can be provided with racks on two sides of the same plane at the same time and is simultaneously clamped and meshed with two driving gears 66 of the motor device 65, and then the racks are clamped and connected through the pulley and the bearing which are vertical to the plane where the racks are located.

Referring to fig. 1 to 3, exemplarily, the carriage traveling crane 5 is provided with a plate seat 52 for installing the screw drawing part, the plate seat 52 is in a portal frame shape, the lower end of the plate seat 52 is connected to the carriage traveling crane 5, and the top surface of the inner side of the plate seat 52 is higher than the motor device 65, the portal frame-shaped plate seat 52 can provide a sufficiently wide position for the screw drawing part at the top for installation, and has a sufficiently good structural strength to support the structural stress when pulling out the screw, and a space higher than the motor device 65 can be provided inside the plate seat 52, so that the structure is designed to be convenient for accommodating or leaving a space corresponding to the motor device 65, thereby not only avoiding the possibility of interference between the plate seat 52 and the motor device 65 as much as possible, but also being convenient for protecting the components below the plate seat 52 by a shielding plate, and the plate seat 52 can move back and forth without obstacles, and particularly under the condition that the lower side of the carriage traveling crane 5 also has structural members, the space can be maximally utilized by the structure, and the efficiency and the structure is good.

Referring to fig. 1 to 3, for example, at least two parallel guide rods 45 are disposed on the rack 4, the carriage 5 is provided with guide wheels matching the guide rods 45, and the guide rods 45 are parallel to the rack guide rail 46 and distributed on two sides of the rack guide rail 46, so that the carriage 5 can move on the guide rods 45 back and forth smoothly, thereby further ensuring the moving accuracy of the carriage 5, reducing friction, ensuring that the rack guide rail 46 is stressed more uniformly and avoiding a deflected component force, and being more convenient to mount the carriage 5 on the rack 4.

Referring to fig. 1-3, for example, the guide rod 45 is provided with a limiting groove extending along an axial direction, the lower portion of the carriage 5 is provided with a protrusion 53 sliding in the limiting groove in a matching manner, preferably, the protrusions 53 are distributed on outer side walls of two sides of the lower portion of the carriage 5, the protrusion 53 is a convex strip structure protruding horizontally and extending, the limiting groove of the guide rod 45 is located on one side of the guide rod 45 facing the carriage 5, so that the protrusion 53 is placed in the limiting groove of the guide rod 45, the carriage 5 is limited to move horizontally only, and separation is effectively avoided, the guide wheel of the carriage 5 only needs to be provided with at least two guide wheels abutting against the guide rod 45 from the top on each of the left side and the right side, the protrusion 53 on each side is located between the guide wheels, and the guide wheel of the carriage 5 is preferably a concave wheel, so that the guide rod 45 can be correspondingly clamped and prevented from being separated.

Referring to fig. 1 to 4, for example, the screw drawing part includes a screw clamp 2 and/or a drag chain 7, a clamp mounting location 524 for fixedly connecting the screw clamp 2 is provided on the top of the plate seat 52, a connector 525 for connecting the drag chain 7 is provided at the front end of the plate seat 52, the screw clamp 2 includes a lower clamp seat 21 and an upper clamp seat 22, the lower clamp seat 21 and the upper clamp seat 22 are detachably connected, the upper clamp seat 22 can be opened or detached from the lower clamp seat 21, and the drag chain 7 can connect the end of the screw through a corresponding tool when the end of the screw does not leave the original equipment, so as to directly draw the end of the screw from the original equipment, and then correspondingly clamp the screw through the screw clamp to perform a pulling operation.

Referring to fig. 2 to 3, exemplarily, the inner sides of the lower holder 21 and the upper holder 22 are respectively provided with an aluminum bracket 23 capable of being detachably replaced, the upper holder 22 and the lower holder 21 clamp a screw through the aluminum bracket 23 having the same shape as the screw, and different aluminum brackets 23 can match screws having corresponding shapes and sizes, so as to protect the screw and perform clamping and supporting, the inner sides of the lower holder 21 and the upper holder 22 are both provided with accommodating grooves matching the aluminum bracket 23, and the lower holder 21 and the upper holder 22 are both of a housing structure with grooves, so that the aluminum brackets 23 can be correspondingly and stably installed therein and limited by the inner wall surfaces of the grooves, and the installation and the disassembly are convenient.

Referring to fig. 2-4, for example, one end of the lower holder 21 is rotatably hinged to one end of the upper holder 22, the other end of the lower holder 21 is rotatably hinged to a clamping rod 211, the other end of the upper holder 22 is provided with a clamping opening 221 matched with and clamped to the clamping rod 211, the clamping rod 211 moves up and down along the hinged position to enter and exit the clamping opening 221, and the clamping rod 211 can be clamped by using the existing common shape fit after entering the clamping opening 221, so that the upper holder 22 can be rotated and opened along the hinged position only by removing the clamping rod 211 from the clamping opening 221, on the contrary, the upper holder 22 and the lower holder 21 can be fixedly connected to clamp a screw, and in the opening process, the two holders do not need to be completely separated, so that unnecessary operation is reduced, and correct alignment is conveniently maintained, a rotating handle 212 connected to the clamping rod 211 through a thread is, the outer diameter of the rotating handle 212 is larger than the clamping opening 221, so that the clamping rod 211 is placed in the clamping opening 221, and then the rotating handle 212 is moved along the axial direction of the clamping rod 211 to press the clamping opening 221, so that the two clamping seats are tightly locked, and firmly and conveniently.

Referring to fig. 2-4, the upper holder 22 is provided with a handle 222 for easy holding and operation by the handle 222 when opening, and the process is safer and easier.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a motor drive pulls out screw rod mechanism which characterized in that: draw a piece including rack, planker driving, motor device and screw rod, the planker driving can be installed around horizontal migration on the rack, be provided with on the rack and extend and be located along the front and back the rack guide of planker driving below, motor device installs the upside of planker driving, motor device's output shaft extends to the downside of planker driving and install with rack guide corresponds transmission meshing's drive gear, the screw rod is drawn a piece and is installed on the planker driving.

2. The motor-driven screw pulling mechanism according to claim 1, wherein: and a connecting piece movably connected with the rack guide rail is arranged on the lower side of the carriage traveling crane.

3. The motor-driven screw pulling mechanism according to claim 2, wherein: the connecting piece is the bearing of connecting through the dabber, drive gear is located one side of rack guide rail, the connecting piece is located rack guide rail dorsad one side of drive gear, just the rack guide rail is provided with the matching butt the spacing draw-in groove of connecting piece.

4. A motor-driven screw-pulling mechanism according to any one of claims 1 to 3, characterized in that: the rack is provided with at least two parallel guide rods, the carriage traveling crane is provided with guide wheels matched with the guide rods, and the guide rods are parallel to the rack guide rail and distributed on two sides of the rack guide rail.

5. The motor-driven screw pulling mechanism according to claim 4, wherein: the guide rod is provided with a limit groove extending along the axial direction, and the lower part of the carriage traveling crane is provided with a lug which is matched and in sliding connection with the limit groove.

6. A motor-driven screw-pulling mechanism according to any one of claims 1 to 3, characterized in that: the planker driving mechanism is characterized in that a plate seat used for installing the screw drawing piece is installed on the planker driving mechanism, the plate seat is in a portal frame shape, the lower end of the plate seat is connected with the planker driving mechanism, and the top surface of the inner side of the plate seat is higher than the motor device.

7. The motor-driven screw pulling mechanism according to claim 6, wherein: the screw rod is drawn piece and is included screw rod anchor clamps and/or tow chain, be provided with on the top of plate seat and be used for linking firmly the anchor clamps installation position of screw rod anchor clamps, the front end of plate seat is provided with and is used for connecting the connector of tow chain, screw rod anchor clamps include lower holder and last holder, down the holder with go up the holder and install and remove the connection.

8. The motor-driven screw pulling mechanism according to claim 7, wherein: the lower clamping seat and the inner side of the upper clamping seat are respectively provided with an aluminum support which can be assembled, disassembled and replaced, and the inner sides of the lower clamping seat and the upper clamping seat are respectively provided with a containing groove matched with the aluminum support.

9. The motor-driven screw pulling mechanism according to claim 7, wherein: one end of the lower clamping seat is rotatably hinged with one end of the upper clamping seat, the other end of the lower clamping seat is rotatably hinged with a clamping rod, and the other end of the upper clamping seat is provided with a bayonet matched with the clamping rod in a clamped mode.

10. The motor-driven screw pulling mechanism according to claim 7, wherein: the upper clamping seat is provided with a lifting handle.