CN111590742B - Positioning device of tube sheet demoulding device - Google Patents

Positioning device of tube sheet demoulding device Download PDF

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Publication number
CN111590742B
CN111590742B CN202010460210.4A CN202010460210A CN111590742B CN 111590742 B CN111590742 B CN 111590742B CN 202010460210 A CN202010460210 A CN 202010460210A CN 111590742 B CN111590742 B CN 111590742B
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China
Prior art keywords
positioning
head
rubber sleeve
control device
fixing
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CN202010460210.4A
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CN111590742A (en
Inventor
李萍
刘昱辰
丁艳梅
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Weifang University of Science and Technology
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Weifang University of Science and Technology
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B13/00Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
    • B28B13/04Discharging the shaped articles
    • B28B13/06Removing the shaped articles from moulds
    • B28B13/065Removing the shaped articles from moulds by applying electric current or other means of discharging, e.g. pneumatic or hydraulic discharging means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B17/00Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B17/00Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
    • B28B17/0063Control arrangements
    • B28B17/0081Process control

Abstract

A positioning device of a tube sheet demoulding device is arranged on a panel of a vacuum chuck and comprises a motor, a worm, a rotary supporting component, a positioning head, a positioning rubber sleeve, a fixing head, a fixing screw, a control device and a light sensor, wherein, the positioning head comprises a flange plate in the middle and cylinder structures arranged at two sides of the flange, the cylinder structure at one side is sleeved with the rotary supporting component, the cylinder structure at the other side is sleeved with the positioning rubber sleeve through the fixing head and the fixing screw, the light sensor senses the bright-dark-bright process in each die drawing process, the control device controls the motor to rotate to drive the positioning rubber sleeve to rotate by a fixed angle after the control device detects the end of the die drawing process through the light sensor, the positioning device can change the stress position of the positioning sleeve on the positioning head along with the use times, and can regularly prompt the replacement of the positioning sleeve reaching the service life.

Description

Positioning device of tube sheet demoulding device
Technical Field
The invention relates to a shield segment demoulding device, in particular to a positioning device of a segment demoulding device.
Background
And the segment erector at the tail part of the shield machine continuously installs the concrete segments on the side wall of the tunnel along with the tunneling of the shield machine. Therefore, the quality of the concrete segment influences the safety and the service life of the tunnel in construction and use processes. In the production process of the duct piece, firstly, the rib net with a fixed shape is placed into a duct piece steel die, concrete is poured after die assembly, and the die is opened after steam curing. When the segment is demoulded, a vacuum sucker machine is generally used, the vacuum sucker moves to the upper side of the segment through a travelling crane, and the outer side arc part of the segment is provided with drawing force through the vacuum sucker, so that the segment is demoulded.
The vacuum chuck needs to align the positioning hole inserted into the duct piece through the positioning head arranged in the vacuum cavity before hoisting the duct piece so as to ensure that the grabbing position is moderate and provide certain lateral force in the process of overturning the chuck.
But in the actual production process, because its rigidity of vacuum snatch mechanism locating head, when bearing the yawing force at every turn, press from both sides the position fixing of the position sleeve between locating head and section of jurisdiction, bear the extruded state easily damaged repeatedly in the same position, the damaged back of position sleeve in addition is not timely changed, and section of jurisdiction locating hole is damaged when leading to the butt joint easily, or locating head and locating hole clearance are too big, cause the hoist and mount in-process section of jurisdiction to slide and drop.
In order to solve the technical problem, the positioning device of the tube sheet demoulding device is provided, and the device can change the stress position of the positioning sleeve on the positioning head along with the use times and can regularly prompt the replacement of the positioning sleeve reaching the service life.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a positioning device which can continuously change the stress position of a positioning sleeve of a positioning head on a segment vacuum chuck through increasing the use times.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a section of jurisdiction shedder's positioner, sets up on vacuum chuck's panel, characterized by: the device comprises a motor, a worm, a rotary supporting component, a positioning head, a positioning rubber sleeve, a fixing head, a fixing screw, a control device and a light sensor, wherein the positioning head comprises a middle flange plate and cylinder structures arranged at two sides of the flange, the rotary supporting component is sleeved in the cylinder structure at one side, the positioning rubber sleeve is sleeved outside the cylinder structure at the other side through the fixing head and the fixing screw, the contact surface between the positioning rubber sleeve and the positioning head is in a horizontal non-inclined state, the outline of the outer side of the positioning rubber sleeve is in the shape of a fillet at two ends of the middle horizontal, through holes are further arranged on the fixing screw and the central axis of the positioning head, the two through holes are communicated after installation, the light sensor is arranged on the screw head of the fixing screw, the light sensor is connected with the control device, the motor is arranged at the back side of a vacuum, the worm is meshed with the rotary supporting component, and the control device is connected to the motor.
The rotary supporting component comprises a rotary part, a fixed part, a roller, a sealing rolling frame and a directional rotary part, the rotary part comprises an annular cylinder part and a disk-shaped flange part, the annular cylinder is sleeved on the cylinder on one side of the positioning head and fixed with the cylinder, the disk-shaped flange part is positioned on the back side of the sucker panel, the outer edge of the disk-shaped flange part is provided with driving teeth, and the driving teeth extend out of the outermost side of the fixed part of the rotary supporting component and are connected with the worm in a meshed mode.
The fixing piece is of an annular cylinder structure, the outer side face of the fixing piece is fixed on the sucker panel, rollers are arranged between the inner side face of the fixing piece and the rotating piece through a sealing rolling frame, a sliding bearing is further arranged between the flange of the positioning head and the lower end face of the fixing piece, and a directional rotating piece is further arranged between the lower side of the disk-shaped flange portion of the rotating piece and the upper end face of the fixing piece.
The disc-shaped flange part of the rotating piece and the flange of the positioning head are respectively positioned at two sides of the sucker panel, and the outer edges of the two flanges exceed the outer side surface of the fixing piece. The directional rotating member includes spring pieces fixed to the lower side of the disk-shaped flange portion of the rotating member and arranged in sequence, and tooth-shaped bodies arranged on the upper end surface of the fixed member and arranged in sequence. The eversion part of the spring plate is provided with a matching part matched with the concave shape of the tooth-shaped body. The mating portion has a beveled portion and a horizontal portion. The horizontal part of the spring piece can be clamped with the vertical part of the tooth-shaped body. The spring piece is always tightly abutted against the surface of the tooth-shaped body through elasticity.
The optical line sensor senses bright-dark-bright processes in the process of drawing the mold at every time, the control device counts once after detecting the end of the process of drawing the mold through the optical line sensor, then the control device controls the motor to rotate to drive the rotating part to rotate by a fixed angle, the control device can record the service time of the positioning rubber sleeve by calculating the total number of turns turned in the use process of the positioning head, and after the positioning rubber sleeve is used by a preset number of turns, a system prompts a maintainer to replace the positioning rubber sleeve.
Compared with the prior art, the invention has the following beneficial effects:
1. the contact surface between the positioning rubber sleeve and the positioning head is in a horizontal non-inclined state, the outline of the outer side of the positioning rubber sleeve is in a shape of a fillet at two ends of the middle horizontal, and the shapes ensure that the rubber sleeve is uniformly stressed and extruded when stressed and have no stress concentration, so that the problems of component strength reduction and easy fatigue cracking caused by stress concentration are solved, and the service life of a component is prolonged;
2. the central axis of the fixing screw and the positioning head is also provided with a through hole and a light sensor, and the light sensor is used for sensing the primary process of segment drawing through the change of light in the drawing process, so that the device can automatically count the use frequency of the positioning rubber sleeve, provide a control signal for the rotary driving device, realize the automatic monitoring of the use frequency, provide scientific basis for the subsequent change of the stress position of the positioning sleeve, ensure reliable data and reduce the labor of maintenance personnel;
3. the positioning head is arranged on the vacuum chuck panel through the rotary supporting component and is driven by the worm, so that the controllable sequential change of the stress position of the positioning rubber sleeve is realized, and the operation is very convenient;
4. the spring piece and the tooth-shaped body are arranged on the rotary supporting part, so that the unidirectional movement of the rotary part is ensured, the positioning head is prevented from rotating reversely in the use process, the positioning rubber sleeve can be sequentially and uniformly stressed in all radius directions, the problem that stress points are easy to damage due to the fact that stress is concentrated at certain positions is solved, and the service life of the device is prolonged;
5. the disc-shaped flange part of the rotating part and the flange of the positioning head are respectively positioned at two sides of the sucker panel, and the outer edges of the two flanges exceed the outer side surface of the fixing part, so that the roller inside the rotating support part is shielded and protected, the service life of the rotating support part is prolonged, meanwhile, the stable rotation of the positioning head is realized through the arrangement of the sliding bearing, the capability of the positioning structure for providing lateral supporting force is improved, and the stability and the reliability of the whole device are improved;
6. the horizontal part of the spring piece can be mutually clamped with the vertical part of the tooth-shaped body, the inclined part realizes one-way sliding, and the spring piece is always tightly abutted to the surface of the tooth-shaped body through elasticity, so that the sliding bearing at the other end of the fixed body is always in tight contact with the flange of the positioning head, the lateral supporting capability of the rotating structure is improved, and the stability and the reliability of the whole device are improved;
7. the control device can record the use duration of the positioning rubber sleeve by calculating the total number of turns turned in the use process of the positioning head, and after the positioning rubber sleeve uses preset number of turns, the positioning rubber sleeve can be changed by prompting maintenance personnel through a system, so that the automatic self-checking and early warning of the maintenance of the positioning device are realized, and the workload of maintenance personnel is reduced.
Drawings
FIG. 1 is a general schematic view of the positioning device of the present invention;
FIG. 2 is a schematic view of a rotational support member of the positioning device of the present invention;
fig. 3 is a schematic view of a unidirectional rotation structure of the rotation support member of the present invention.
Detailed Description
The following detailed description of the preferred embodiments will be made with reference to the accompanying drawings.
As shown in fig. 1, the positioning device of the tube sheet demoulding device comprises a motor 1, a worm 2, a rotary supporting component 9, a positioning head 4, a positioning rubber sleeve 5, a fixing head 6, a fixing screw 8, a control device 10 and a light sensor 7.
Wherein, the positioning head 4 is fixed on the panel 3 of the sucker through a rotary supporting component 9, and the positioning head 4 comprises a flange plate in the middle and cylindrical structures arranged at two sides of the flange. The cylinder structure of one side is sleeved in the rotary supporting component 9, the positioning rubber sleeve 5 is sleeved on the outer side of the cylinder structure of the other side, a threaded hole is further formed in one end of the cylinder of the side, and the positioning rubber sleeve 5 is installed on the cylinder structure of the side through the stepped fixing head 6 and the fixing screw 8. The contact surface between the positioning rubber sleeve 5 and the positioning head 4 is in a horizontal non-inclined state, the outline of the outer side of the positioning rubber sleeve 5 is in a shape with round corners at two ends in the middle horizontal direction, and the shapes ensure that the rubber sleeve is stressed uniformly without stress concentration when being stressed and extruded.
Through holes are also arranged on the central axis of the fixing screw 8 and the positioning head 4, and the two through holes are communicated after installation. A light sensor 7 is arranged on the screw head of the fixing screw 8, and the power supply line and the signal line of the light sensor 7 are connected to a control device 10 on the back side of the sucker panel 3 through the through holes.
The rotary supporting structure and the rotary driving structure of the positioning head 4 are explained below with reference to fig. 1 and 3.
The rotation support part 9 includes a rotation member 95, a fixed member 93, a roller 94, a seal roller frame 96, and a directional rotation member 92. The rotary member 95 comprises an annular cylinder part and a disk-shaped flange part, the annular cylinder is sleeved on the cylinder at one side of the positioning head 4 and fixed with each other, the disk-shaped flange part is positioned at the back side of the sucker panel, the outer edge of the disk-shaped flange part is provided with a driving tooth 91, and the driving tooth 91 extends to the outermost side of the rotary supporting part 9 and is meshed with the worm 2. The fixed member 93 is a ring-shaped cylinder structure, the outer side surface of the fixed member 93 is fixed on the suction cup panel 3, and a roller 94 is arranged between the inner side surface of the fixed member 93 and the rotating member 95 through a seal rolling frame 96. The motor 1 is arranged on the back side of the sucker panel, the output shaft of the motor 1 is connected with the worm 2, the control device 10 is connected to the motor 1, and the control device 10 can control the motor 1 to drive the worm 2 to rotate so as to drive the positioning head 4 and the positioning rubber sleeve 5 to rotate. A sliding bearing 97 is further provided between the flange of the positioning head 4 and the lower end face of the fixing member 93, so that the flange of the positioning head 4 is rotatably supported on the fixing member 93. A directional rotating member 92 is further arranged between the lower side of the disk-shaped flange part of the rotating member 95 and the upper end face of the fixed member 93, and the directional rotating member 92 can realize unidirectional rotation and reverse braking of the rotating member 95. Through this unidirectional rotation structure, guaranteed that location head 4 can not the reversal in the use, consequently location gum cover 5 each radius direction is evenly atress in proper order.
The disk flange part of the rotating member 95 and the flange of the positioning head 4 are respectively located at two sides of the sucking disk panel, and the outer edges of the two flanges exceed the outer side surface of the fixing member 93, so that the roller 94 inside the rotation supporting component 9 is shielded and protected, meanwhile, the stable rotation of the positioning head 4 is realized through the sliding bearing 97, and the capability of providing lateral supporting force by the positioning structure is improved.
The structure of the directional rotating member 92 of the present application is explained below by means of fig. 3. The directional rotating member 92 is divided into a spring piece 92A fixed to the lower side of the disk-shaped flange portion of the rotating member 95 and a tooth-shaped body 92B provided on the upper end surface of the fixed member 93. The shape of the everted portion of the spring plate 92A matches the concave shape of the tooth 92B. And the mating portion has a beveled portion and a horizontal portion. The ramp portion may provide unidirectional movement between the spring plate 92A and the tooth 92B. The horizontal part of the spring piece 92A can be clamped with the vertical part of the tooth-shaped body 92B to realize reverse stop between the two parts. And the spring piece 92A is always tightly abutted against the surface of the tooth-shaped body 92B through elastic force so as to ensure that the sliding bearing 97 at the other end of the fixing piece 93 is always in tight contact with the flange of the positioning head 4, thereby improving the lateral supporting capability of the rotating structure.
In each mold drawing process, the positioning device is butted into the blind hole in the duct piece, and the positioning device is moved out of the blind hole after the mold is drawn, so that the light sensor 7 on the positioning device senses the bright-dark-bright process in each mold drawing process. After the control device 10 detects that the pattern drawing process is finished through the optical sensor 7, counting is performed once in the system, and then the control device 10 controls the motor 1 to rotate to drive the teeth 91 to rotate by a fixed angle. Therefore, in the next die drawing process, the extrusion position of the positioning rubber sleeve 5 on the positioning head 4 is changed, and repeated compression at the same position is avoided. The control device 10 can record the service life of the positioning rubber sleeve 5 by calculating the total number of turns of the positioning head 4 in the use process, and prompts maintenance personnel to replace the positioning rubber sleeve 5 through the system after the positioning rubber sleeve 5 is used for a preset number of turns.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides a section of jurisdiction shedder's positioner, sets up on vacuum chuck's panel, characterized by: the device comprises a motor, a worm, a rotary supporting component, a positioning head, a positioning rubber sleeve, a fixing head, a fixing screw, a control device and a light sensor, wherein the positioning head comprises a middle flange plate and cylinder structures arranged at two sides of the flange, the rotary supporting component is sleeved in the cylinder structure at one side, the positioning rubber sleeve is sleeved outside the cylinder structure at the other side through the fixing head and the fixing screw, the contact surface between the positioning rubber sleeve and the positioning head is in a horizontal non-inclined state, the outline of the outer side of the positioning rubber sleeve is in the shape of a fillet at two ends of the middle horizontal, through holes are further arranged on the fixing screw and the central axis of the positioning head, the two through holes are communicated after installation, the light sensor is arranged on the screw head of the fixing screw, the light sensor is connected with the control device, the motor is arranged at the back side of a vacuum, the worm is meshed with the rotary supporting component, and the control device is connected to the motor.
2. The apparatus as claimed in claim 1, wherein: the rotary supporting component comprises a rotary part, a fixed part, a roller, a sealing rolling frame and a directional rotary part, the rotary part comprises an annular cylinder part and a disk-shaped flange part, the annular cylinder is sleeved on the cylinder on one side of the positioning head and fixed with the cylinder, the disk-shaped flange part is positioned on the back side of the sucker panel, the outer edge of the disk-shaped flange part is provided with driving teeth, and the driving teeth extend out of the outermost side of the fixed part of the rotary supporting component and are connected with the worm in a meshed mode.
3. The apparatus as claimed in claim 2, wherein: the fixing piece is of an annular cylinder structure, the outer side face of the fixing piece is fixed on the sucker panel, rollers are arranged between the inner side face of the fixing piece and the rotating piece through a sealing rolling frame, a sliding bearing is further arranged between the flange of the positioning head and the lower end face of the fixing piece, and a directional rotating piece is further arranged between the lower side of the disk-shaped flange portion of the rotating piece and the upper end face of the fixing piece.
4. The apparatus as claimed in claim 3, wherein: the disc-shaped flange part of the rotating piece and the flange of the positioning head are respectively positioned at two sides of the sucker panel, and the outer edges of the two flanges exceed the outer side surface of the fixing piece.
5. The apparatus as claimed in claim 4, wherein: the directional rotating member includes spring pieces fixed to the lower side of the disk-shaped flange portion of the rotating member and arranged in sequence, and tooth-shaped bodies arranged on the upper end surface of the fixed member and arranged in sequence.
6. The apparatus as claimed in claim 5, wherein: the eversion part of the spring plate is provided with a matching part matched with the concave shape of the tooth-shaped body.
7. The apparatus as claimed in claim 6, wherein: the mating portion has a beveled portion and a horizontal portion.
8. The apparatus as claimed in claim 7, wherein: the horizontal part of the spring piece can be clamped with the vertical part of the tooth-shaped body.
9. The apparatus as claimed in claim 8, wherein: the spring piece is always tightly abutted against the surface of the tooth-shaped body through elasticity.
10. The positioning device for the tube sheet demoulding device as claimed in any one of the claims 1 to 9, wherein: the optical line sensor senses a bright-dark-bright process in the process of drawing the mold at every time, the control device counts once after detecting the end of the process of drawing the mold through the optical line sensor, then the control device controls the motor to rotate to drive the rotating part to rotate by a fixed angle, the control device can record the use duration of the positioning rubber sleeve by calculating the total number of turns turned in the use process of the positioning head, and after the positioning rubber sleeve is used by a preset number of turns, a system prompts a maintainer to replace the positioning rubber sleeve.
CN202010460210.4A 2020-05-27 2020-05-27 Positioning device of tube sheet demoulding device Active CN111590742B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010460210.4A CN111590742B (en) 2020-05-27 2020-05-27 Positioning device of tube sheet demoulding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010460210.4A CN111590742B (en) 2020-05-27 2020-05-27 Positioning device of tube sheet demoulding device

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CN111590742A CN111590742A (en) 2020-08-28
CN111590742B true CN111590742B (en) 2021-07-06

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106965308A (en) * 2017-05-21 2017-07-21 无锡市翱宇特新科技发展有限公司 A kind of stripper apparatus of concrete section of jurisdiction built-in slip casting pipe
CN207825184U (en) * 2018-02-07 2018-09-07 蓝思科技(长沙)有限公司 A kind of sucker clamp of 3D ceramic members
CN108481541A (en) * 2018-06-01 2018-09-04 杨昱 A kind of round end hangs the pre-buried fixed structure of nail
CN209409225U (en) * 2018-12-12 2019-09-20 天津市澋博科技有限公司 A kind of Novel injection mold stripper apparatus
CN209832101U (en) * 2019-03-07 2019-12-24 文志武 Gypsum circular arc die sinking sucking disc locator

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