CN109130155A - Planar stretch device - Google Patents

Planar stretch device Download PDF

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Publication number
CN109130155A
CN109130155A CN201810968632.5A CN201810968632A CN109130155A CN 109130155 A CN109130155 A CN 109130155A CN 201810968632 A CN201810968632 A CN 201810968632A CN 109130155 A CN109130155 A CN 109130155A
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CN
China
Prior art keywords
driving
centering disk
connecting rod
work top
connect
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810968632.5A
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Chinese (zh)
Inventor
陈亮
应林奇
代文
周明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Shan Yue New Material Co Ltd
Original Assignee
Ningbo Shan Yue New Material Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Ningbo Shan Yue New Material Co Ltd filed Critical Ningbo Shan Yue New Material Co Ltd
Priority to CN201810968632.5A priority Critical patent/CN109130155A/en
Publication of CN109130155A publication Critical patent/CN109130155A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/10Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
    • B29C55/12Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/32Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/32Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
    • G01N3/36Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by pneumatic or hydraulic means
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0001Type of application of the stress
    • G01N2203/0005Repeated or cyclic
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0014Type of force applied
    • G01N2203/0016Tensile or compressive
    • G01N2203/0017Tensile

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)

Abstract

The present invention relates to a kind of planar stretch devices, including centering disk;Work top is coaxially disposed with the centering disk, and the work top is set to the top of the centering disk;First driving mechanism is drivingly connected with the centering disk, and first driving mechanism is for driving the centering disk to move along the vertical direction;And multiple drawing mechanisms, the drawing mechanism includes connecting rod and clip claw mechanism, the first end of the connecting rod is connect with the clip claw mechanism, the second end of the connecting rod is connect with the centering disk, the second end of the connecting rod of multiple drawing mechanisms is arranged along the circumferential direction interval of the centering disk, and the clip claw mechanism of multiple drawing mechanisms is arranged along the circumferential direction interval of the work top.The planar stretch device has biggish payload, Z can be continuously maintained repetitive positioning accuracy, is able to carry out more quick repeated stretching.

Description

Planar stretch device
Technical field
The present invention relates to planar stretch engineering device technique fields, more particularly to a kind of planar stretch device.
Background technique
Typically, for materials such as some films or rubber, carry out using planar stretch device to it equal axial planes are needed Stretch the processing or test to realize material.Traditional, the transmission mechanism of planar stretch device connects steel wire using steel plain Rope, wirerope is by way of pulley jockey, and by moving integrally steel plate, to draw a plurality of wirerope, idler wheel can The direction of motion of wirerope is become into horizontal direction, wirerope pulls fixture that can realize the isometric planar stretch to material.But By the way of wirerope, the intensity and reliability of wirerope are not able to satisfy production needs, limit its payload and again Multiple positioning accuracy, and quick repeated stretching can not be carried out.
Summary of the invention
Based on this, it is necessary to provide a kind of planar stretch device, which has biggish payload, can Repetitive positioning accuracy is persistently kept, more quick repeated stretching is able to carry out.
Its technical solution is as follows:
A kind of planar stretch device, comprising:
Centering disk;
Work top is coaxially disposed with the centering disk, and the work top is set to the top of the centering disk;
First driving mechanism is drivingly connected with the centering disk, and first driving mechanism is for driving the centering disk It moves along the vertical direction;And
Multiple drawing mechanisms, the drawing mechanism include connecting rod and clip claw mechanism, the first end of the connecting rod with it is described Clip claw mechanism connection, the second end of the connecting rod are connect with the centering disk, the second end of the connecting rod of multiple drawing mechanisms It is arranged along the circumferential direction interval of the centering disk, the clip claw mechanism of multiple drawing mechanisms is along the work top The setting of circumferential direction interval.
Workpiece grabbing when work, can be suspended in above work top by above-mentioned planar stretch device by external gripper, The clip claw mechanism of multiple drawing mechanisms clamps workpiece, and the first driving mechanism can drive centering disk to move along up and down direction, The movement that centering disk can drive connecting rod to collapse or open in the process of moving up and down, to can realize workpiece on work top Isometric stretching and retraction process.The planar stretch device, compared to the mode of conventionally employed wirerope, on the one hand, connecting rod The payload that can be carried is larger, it can be achieved that high-intensitive stretching;Connecting rod is rigidly preferable, and self-deformation amount can neglect at work Slightly disregard, can persistently keep repetitive positioning accuracy being repeated several times to stretch in retraction process;On the other hand, using the first driving machine Structure driving centering disk moves up and down that clip claw mechanism is driven to carry out stretching retracting motion, can be very good to meet multi-drawing time Contracting can also drive centering disk movement to assist retraction process, compared to using wirerope in retraction by the first driving mechanism When be only capable of bouncing back by workpiece own resilient, be capable of providing the retraction force of an active with play retraction force supplement function, have Conducive to the quick repeated stretching of progress.
The drawing mechanism further includes slide track seat and sliding shoe in one of the embodiments, and the slide track seat, which has, leads Rail, the sliding shoe have the sliding slot to match with the guide rail, and the sliding shoe is slidably connected with the slide track seat;
The sliding shoe is arranged on the clip claw mechanism, and the first end of the connecting rod is connect with the slide track seat;Alternatively, The slide track seat is arranged on the clip claw mechanism, and the first end of the connecting rod is connect with the sliding shoe.
The clip claw mechanism includes fixed bracket, the first driving cylinder and rotates clamping jaw in one of the embodiments, The fixed bracket is equipped with clamping engagement position, and the first driving cylinder and the rotation clamping jaw are drivingly connected, and described first Driving cylinder is clamped for driving the rotation clamping jaw to turn at the clamping engagement position with the clamping engagement position, or driving The rotation clamping jaw is rotated away from the clamping engagement position and the clamping engagement position and unclamps.
The fixed bracket includes transverse slat, vertical plate, first support and second support in one of the embodiments, described Transverse slat is equipped with the clamping engagement position close to the side of the work top, and the vertical plate is stood on the transverse slat, and described first Cylinder is driven to be arranged on the vertical plate, the vertical plate is arranged on the side of the work top in the first support, The second support is located at the vertical plate close to the side of the work top, the second support and the first driving cylinder Drive rod connection, the rotation clamping jaw include fixture block and bending rotating bar, it is described bend rotating bar one end and described second The other end of holder pivots connection, the bending rotating bar is connect with the fixture block, the bending rotating bar in its bending place and The first support rotation connection.
First driving mechanism includes driving motor and driving screw rod, the driving electricity in one of the embodiments, Machine is connect with the drive screw drives, and the driving screw rod and the centering disk are drivingly connected.
First driving mechanism further includes drive sleeve in one of the embodiments, and the center of the centering disk is opened Equipped with the first mounting hole, the drive sleeve is connect at first mounting hole with the centering disk, and the driving screw rod is worn The drive sleeve is crossed, the driving screw rod and the drive sleeve are drivingly connected.
The planar stretch device further includes the second driving mechanism in one of the embodiments, second driving Mechanism is for driving the work top to move along the vertical direction.
Second driving mechanism includes the second driving cylinder and mounting bracket in one of the embodiments, and described the The driving motor of one driving mechanism is set to the lower section of the centering disk, and the mounting bracket is set on the driving motor, described The cylinder body of second driving cylinder is set to the work top on the side of the centering disk, the second driving cylinder Drive rod pass through the centering disk connect with the mounting bracket.
Second driving mechanism further includes pilot sleeve in one of the embodiments, is offered on the centering disk Second mounting hole, the pilot sleeve are connect at second mounting hole with the centering disk, the second driving cylinder Drive rod passes through the pilot sleeve and connect with the mounting bracket.
The centering disk is uniformly provided with multiple notches along its circumferential direction interval in one of the embodiments, adjacent Installing arm is formed between the notch, the number of the installing arm is identical as the number of the drawing mechanism, the corresponding drawing The second end for stretching the connecting rod of mechanism is connected with the side of the corresponding installing arm.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of planar stretch device described in one embodiment of the invention;
Fig. 2 is the main view of planar stretch device shown in FIG. 1;
Fig. 3 is the top view of planar stretch device shown in FIG. 1;
Fig. 4 is the structural schematic diagram of the centering disk of planar stretch device shown in FIG. 1;
Fig. 5 is the structural schematic diagram of the drawing mechanism of planar stretch device shown in FIG. 1;
Fig. 6 is that planar stretch device described in one embodiment of the invention hides the structural schematic diagram after drawing mechanism;
Fig. 7 is the side view of planar stretch device shown in fig. 6.
Description of symbols:
100, centering disk, 110, notch, 120, installing arm, the 130, first mounting hole, the 140, second mounting hole, 150, material-saving Hole, 200, work top, the 300, first driving mechanism, 310, driving motor, 320, driving screw rod, 330, drive sleeve, 400, Drawing mechanism, 410, connecting rod, 420, clip claw mechanism, 421, fixed bracket, 4211, transverse slat, 4211a, clamping engagement position, 4212, Vertical plate, 4213, first support, 4214, second support, the 422, first driving cylinder, the drive rod of the 4221, first driving cylinder, 4222, speed governor, 4223, air pressure adjustment part, 423, rotation clamping jaw, 4231, fixture block, 4232, bending rotating bar, 430, cunning Rail chair, 431, guide rail, 440, sliding shoe, the 500, second driving mechanism, the 510, second driving cylinder, the 511, second driving cylinder Drive rod, 520, mounting bracket, 530, pilot sleeve.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing Give better embodiment of the invention.But the invention can be realized in many different forms, however it is not limited to herein Described embodiment.On the contrary, the purpose of providing these embodiments is that making to understand more the disclosure Add thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to To another element or it may be simultaneously present centering elements.On the contrary, when element is referred to as " directly existing " another element "upper", There is no intermediary elements.Term as used herein "vertical", "horizontal", "left" and "right" and similar statement are For illustrative purposes, it is not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more Any and all combinations of relevant listed item.Term as used herein " first ", " second " etc. are used herein In differentiation object, but these objects should not be limited by these terms.
In the present embodiment, the directional instruction (upper and lower etc.) of institute is only used for explaining in a certain particular pose (such as attached drawing It is described) under relative positional relationship, motion conditions etc. between each component, if the particular pose changes, the direction Property instruction also correspondingly change correspondingly.
As shown in Figure 1, Figure 2, Figure 3 shows, an embodiment provides a kind of planar stretch device, including centering disk 100;Work top 200, it is coaxially disposed with the centering disk 100, the work top 200 is set to the top of the centering disk 100;First driving machine Structure 300 is drivingly connected with the centering disk 100, and first driving mechanism 300 is for driving the centering disk 100 vertically Direction is mobile;And multiple drawing mechanisms 400 (situation that drawing mechanism 400 is 8 is illustrated in attached drawing), the stretching-machine Structure 400 includes connecting rod 410 and clip claw mechanism 420, and the first end of the connecting rod 410 is connect with the clip claw mechanism 420 (can be with It is directly connected to be indirectly connected with by intermediary element), the second end of the connecting rod 410 is connect with the centering disk 100, more The second end of the connecting rod 410 of a drawing mechanism is arranged along the circumferential direction interval of the centering disk 100, multiple drawings The clip claw mechanism 420 for stretching mechanism 400 is arranged along the circumferential direction interval of the work top 200.
Above-mentioned planar stretch device can be by external gripper by workpiece when carrying out the work of plane repeated stretching to workpiece Crawl is suspended in 200 top of work top, and the clip claw mechanism 420 of multiple drawing mechanisms 400 clamps workpiece, the first driving mechanism 300 can drive centering disk 100 to move along up and down direction, and centering disk 100 can drive connecting rod 410 to do in the process of moving up and down The movement collapsed or opened, so that isometric stretching and retraction process of the workpiece on work top 200 can be realized.The plane is drawn Device is stretched, compared to the mode of conventionally employed wirerope, on the one hand, the payload that connecting rod 410 can carry it is larger, it can be achieved that High intensity stretches;Preferably, self-deformation amount can be ignored 410 rigidity of connecting rod at work, can stretch back being repeated several times Repetitive positioning accuracy is persistently kept in compression process;On the other hand, it is driven using the first driving mechanism 300 and is moved down on centering disk 100 It moves that clip claw mechanism 420 is driven to carry out stretching retracting motion, can be very good to meet multi-drawing retraction, may be used also in retraction It drives the movement of centering disk 100 to assist retraction process by the first driving mechanism 300, is only capable of passing through when compared to using wirerope Workpiece own resilient retraction is capable of providing the retraction force of an active to play the function of retraction force supplement, is conducive to carry out fast The repeated stretching of speed.
Specifically, the number of drawing mechanism 400 can be three, four, five, six etc., can be according to actual needs Setting.Optionally, the number of drawing mechanism 400 is 8~12, meets general plane repeated stretching processing.Multiple drawings The second end for stretching the connecting rod 410 of mechanism 400 is arranged along the circumferential direction uniform intervals of the centering disk 100, multiple drawings The clip claw mechanism 420 for stretching mechanism 400 is arranged along the circumferential direction uniform intervals of the work top 200, it can be achieved that workpiece Equal axial planes repeated stretching.
In one embodiment, as shown in figure 4, the centering disk 100 is uniformly provided with multiple notches along its circumferential direction interval 110, installing arm 120 is formed between the adjacent notch 110.Of the number of the installing arm 120 and the drawing mechanism 400 Number is identical.As Figure 1 and Figure 4, the second end of the connecting rod 410 of the corresponding drawing mechanism 400 and the corresponding installing arm 120 side connection.So set, the connecting rod 410 convenient for multiple drawing mechanisms 400 is installed, consequently facilitating realizing centering disk 100 Drive the movement of connecting rod 410.Optionally, the centering disk 100 is equipped with material-saving hole 150, in this way, can reduce 100 weight of centering disk Amount saves material, which also can be used as fabrication hole.
Further, as shown in Figure 1, shown in Figure 5, the drawing mechanism 400 further includes slide track seat 430 and sliding shoe 440, described Slide track seat 430 has guide rail 431, and the sliding shoe 440 has the sliding slot to match with the guide rail 431, the sliding shoe 440 It is slidably connected with the slide track seat 430.Specifically, the setting of sliding shoe 440 and slide track seat 430 can have following two mode. One is: the sliding shoe 440 is arranged on the clip claw mechanism 420, the first end of the connecting rod 410 and the slide track seat 430 connections;Another kind is: the slide track seat 430 is arranged on the clip claw mechanism 420, the first end of the connecting rod 410 and institute State the connection of sliding shoe 440.In the present embodiment, guide rail 431 is arranged along the radial direction of work top 200, is easy to implement isometric Stretching and retraction process.The first end of the connecting rod 410 passes through the indirect realization that is slidably connected of sliding shoe 440 and slide track seat 430 With the connection of the clip claw mechanism 420.
By using above structure, the first driving mechanism 300 driving centering disk 100 is moved up and down, to drive clamping jaw machine When structure 420 carries out stretching retracting motion, since clip claw mechanism 420 can be along leading by the cooperation of sliding shoe 440 and slide track seat 430 Rail 431 is mobile, on the one hand, when multiple clip claw mechanisms 420 stretch workpiece, it is believed that driven by the first driving mechanism 300 Process is isometric stretching and retraction process;On the other hand, it can be moved along guide rail 431 when clip claw mechanism 420 is mobile, so that Workpiece motion s track is more stable in stretching retraction process, is conducive to the yield and rate that promote processing.
Specific in body embodiments, the sliding shoe 440 is arranged on the clip claw mechanism 420, the connecting rod 410 First end is connect with the slide track seat 430.It is moved in this way, easily facilitating clip claw mechanism 420 along the guide rail 431 on slide track seat 430 It is dynamic.Further, the planar stretch device further includes mounting plate (not shown), the cunning of each drawing mechanism 400 Rail chair 430 is installed on the mounting plate.So, it can be achieved that stablizing for drawing mechanism 400 is fixed, so that bouncing back in stretching Workpiece motion s track is more stable in journey, is conducive to the yield and rate that promote processing.
In one embodiment, as shown in figure 5, the clip claw mechanism 420 include fixed bracket 421, first drive cylinder 422 with And rotation clamping jaw 423.The fixed bracket 421 is equipped with clamping engagement position 4211a.It is described first driving cylinder 422 with it is described Clamping jaw 423 is rotated to be drivingly connected.The first driving cylinder 422 is for driving the rotation clamping jaw 423 to turn to the clamping With clamping at coincidence 4211a with the clamping engagement position 4211a, or the driving rotation clamping jaw 423 is rotated away from the clamping It is unclamped with the coincidence 4211a and clamping engagement position 4211a.So set, rotation clamping jaw 423 passes through the first driving cylinder 422 Driving, workpiece can be clamped with clamping engagement position 4211a clamping at the rotation to clamping engagement position 4211a of clamping jaw 423 by rotating, Rotation clamping jaw 423, which is rotated away from clamping engagement position 4211a and clamping engagement position 4211a release, to unclamp workpiece, the present embodiment Clip claw mechanism 420 using cylinder drive, after blowing can automatic clamping workpiece, need to open supplied materials workpiece compared to tradition Hole and clamping jaw carry out bolted mode, without carrying out special processing to supplied materials workpiece, are not only only applicable to by special The workpiece of form is processed, application range is more extensive, more meets production requirement.
Further, as shown in Figure 1, shown in Figure 5, the fixed bracket 421 includes transverse slat 4211, vertical plate 4212, first support 4213 and second support 4214.The transverse slat 4211 is equipped with the clamping engagement position close to the side of the work top 200 4211a.The vertical plate 4212 is stood on the transverse slat 4211.The first driving cylinder 422 is arranged on the vertical plate 4212. The vertical plate 4212 is arranged on the side of the work top 200 in the first support 4213.The second support 4214 are located at the vertical plate 4212 close to the side of the work top 200, the second support 4214 and first driving The drive rod 4221 of cylinder 422 connects.The rotation clamping jaw 423 includes fixture block 4231 and bending rotating bar 4232.The bending One end of rotating bar 4232 and the second support 4214 are rotatablely connected, the other end and the folder of the bending rotating bar 4232 Block 4231 connects, and the bending rotating bar 4232 is rotatablely connected in its bending place and the first support 4213.Wherein, the company The first end of bar 410 is connect with the transverse slat 4211 of the clip claw mechanism 420.
So set, the first driving cylinder 422 acts when clip claw mechanism 420 works, the driving of the first driving cylinder 422 Bar 4221 drives second support 4214 to move back and forth, so that bending rotating bar 4232 can be around second support 4214, first support 4213 rotations, so that fixture block 4231 and clamping engagement position 4211a clamp or release, to realize the clamp or release to workpiece. 420 structure of clip claw mechanism of the present embodiment is simple, can be around second support 4214 when bending the progress spinning movement of rotating bar 4232 It is rotated jointly with first support 4213, reliable in action.
Optionally, speed governor 4222 and/or air pressure tune are additionally provided on the cylinder body of the first driving cylinder 422 Save part 4223.In this way, convenient for driving the driving speed of cylinder 422 and/or air pressure to be adjusted to first.
In one embodiment, as shown in Figure 6, Figure 7, first driving mechanism 300 includes driving motor 310 and driving screw rod 320.The driving motor 310 is drivingly connected with the driving screw rod 320.The driving screw rod 320 drives with the centering disk 100 Dynamic connection.So set, driving motor 310 drives screw rod 320 to move, with the rotation of driving screw rod 320,100 meeting of centering disk Rise or decline, to realize moving up and down for centering disk 100, structure is simple, and driving is reliable.
Further, as shown in Fig. 4, Fig. 6, Fig. 7, first driving mechanism 300 further includes drive sleeve 330.It is described The center of centering disk 100 offers the first mounting hole 130.The drive sleeve 330 at first mounting hole 130 with it is described Centering disk 100 connects.The driving screw rod 320 passes through the drive sleeve 330.The driving screw rod 320 and the actuating sleeve Cylinder 330 is drivingly connected.So set, driving screw rod 320 is moved by the driving drive sleeve 330, to drive centering disk 100 movements, drive sleeve 330 can play guiding, protective effect to driving screw rod 320, further promote the reliability of driving.
Certainly, in other embodiments, first driving mechanism 300 can also use cylinder driving structure, be not limited to This.
Further, the planar stretch device further includes the second driving mechanism 500, second driving mechanism 500 For driving the work top 200 to move along the vertical direction.So set, it is relatively thin to carry out repeated stretching when workpiece is relatively thin Workpiece when, the second driving mechanism 500 can drive work top 200 move up enable workpiece more smooth be fitted in work Make the depth of parallelism for advantageously ensuring that workpiece to be machined on table top 200, guarantees the stability and reliability of repeated stretching retraction, mention Rise the yield of processing.
In one embodiment, second driving mechanism 500 includes the second driving cylinder 510 and mounting bracket 520.Described The driving motor 310 of one driving mechanism 300 is set to the lower section of the centering disk 100.The mounting bracket 520 is set to the driving On motor 310.The cylinder body of the second driving cylinder 510 is set to the work top 200 close to the centering disk 100 On side.The drive rod 511 of the second driving cylinder 510 passes through the centering disk 100 and connect with the mounting bracket 520. So set, second driving cylinder 510 acts when needing lifting work table top 200, the drive rod 511 of the second driving cylinder 510 The flexible cylinder body to driving the second driving cylinder 510 moves up and down, and realizes moving up and down for work top 200.
Optionally, the drive rod 511 of the second driving cylinder 510 is at least two, at least two second drivings The drive rod 511 of cylinder 510 is arranged along the circumferential direction interval of the cylinder body of the second driving cylinder 510.In this way, right The driving of work top 200 is more stable, can reliably guarantee the depth of parallelism of workpiece to be machined.
In one embodiment, second driving mechanism 500 further includes pilot sleeve 530.It is offered on the centering disk 100 Second mounting hole 140.The pilot sleeve 530 is connect at second mounting hole 140 with the centering disk 100.Described The drive rod 511 of two driving cylinders 510 passes through the pilot sleeve 530 and connect with the mounting bracket 520.So set, leading Guiding, protective effect can be played to the drive rod 511 of the second driving cylinder 510 to sleeve 530, further promote the reliable of driving Property.
Optionally, the planar stretch device further includes (not showing in figure for detecting the sensor of stretch recovery forces Out), convenient for carrying out detection test to workpiece, so that the planar stretch device of the present embodiment can not only process workpiece, It can also play the role of test to workpiece.
Planar stretch device described in the present embodiment, be applicable to the workpiece such as thin-film material, rubber material etc. axial planes Repeated stretching can be very good to meet multi-drawing by using connecting rod 410, centering disk 100 and the first driving mechanism 300, high Strength pull can carry out controllable stretching and retraction simultaneously, can actively provide a power in workpiece retraction, realize and stretch retraction The function of power supplement;By using cylinder driving method, after blowing can automatic clamping workpiece, be not required to carry out supplied materials special Different processing, more meets production requirement;410 device of connecting rod adds the design of guide rail 431, so that during stretching, workpiece motion s rail Mark is more stable, is conducive to the yield and rate that promote processing.The planar stretch device, in actual work can be with small The planar materials of modulus 1mpa-100mpa are stretched 4-5 times in 30 seconds beats, and are bounced back, the energy in multiple stretching retraction The depth of parallelism of repetitive positioning accuracy and processed sample is enough persistently kept, intensity and reliability can satisfy production needs.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.

Claims (10)

1. a kind of planar stretch device characterized by comprising
Centering disk;
Work top is coaxially disposed with the centering disk, and the work top is set to the top of the centering disk;
First driving mechanism, with the centering disk be drivingly connected, first driving mechanism for drive the centering disk along Lower direction is mobile;And
Multiple drawing mechanisms, the drawing mechanism include connecting rod and clip claw mechanism, the first end of the connecting rod and the clamping jaw Mechanism connection, the second end of the connecting rod connect with the centering disk, the second end of the connecting rod of multiple drawing mechanisms along The circumferential direction interval of the centering disk is arranged, the clip claw mechanisms of multiple drawing mechanisms along the work top circumferential direction The setting of direction interval.
2. planar stretch device according to claim 1, which is characterized in that the drawing mechanism further includes slide track seat and cunning Motion block, the slide track seat have a guide rail, and the sliding shoe has the sliding slot that matches with the guide rail, the sliding shoe with it is described Slide track seat is slidably connected;
The sliding shoe is arranged on the clip claw mechanism, and the first end of the connecting rod is connect with the slide track seat;Alternatively, described Slide track seat is arranged on the clip claw mechanism, and the first end of the connecting rod is connect with the sliding shoe.
3. planar stretch device according to claim 2, which is characterized in that the clip claw mechanism includes fixed bracket, the One driving cylinder and rotation clamping jaw, the fixed bracket are equipped with clamping engagement position, the first driving cylinder and the rotation Turn clamping jaw drive connection, the first driving cylinder is for driving the rotation clamping jaw to turn at the clamping engagement position and institute The clamping of clamping engagement position is stated, or the driving rotation clamping jaw is rotated away from the clamping engagement position and clamping engagement position pine It opens.
4. planar stretch device according to claim 3, which is characterized in that the fixed bracket includes transverse slat, vertical plate, One bracket and second support, the transverse slat are equipped with the clamping engagement position close to the side of the work top, and the vertical plate is vertical In on the transverse slat, the first driving cylinder is arranged on the vertical plate, and the first support setting is close in the vertical plate On the side of the work top, the second support is located at the vertical plate close to the side of the work top, and described second Bracket is connect with the drive rod of the first driving cylinder, and the rotation clamping jaw includes fixture block and bending rotating bar, the bending One end of rotating bar and the second support are rotatablely connected, and the other end of the bending rotating bar is connect with the fixture block, described Rotating bar is bent to be rotatablely connected in its bending place and the first support.
5. planar stretch device according to claim 1, which is characterized in that first driving mechanism includes driving motor And driving screw rod, the driving motor are connect with the drive screw drives, the driving screw rod and the centering dish driving connect It connects.
6. planar stretch device according to claim 5, which is characterized in that first driving mechanism further includes actuating sleeve Cylinder, the center of the centering disk offer the first mounting hole, the drive sleeve at first mounting hole with the centering Disk connection, the driving screw rod pass through the drive sleeve, and the driving screw rod and the drive sleeve are drivingly connected.
7. planar stretch device according to claim 5, which is characterized in that it further include the second driving mechanism, described second Driving mechanism is for driving the work top to move along the vertical direction.
8. planar stretch device according to claim 7, which is characterized in that second driving mechanism includes the second driving Cylinder and mounting bracket, the driving motor of first driving mechanism are set to the lower section of the centering disk, and the mounting bracket is set In on the driving motor, the cylinder body of the second driving cylinder is set to the work top close to the side of the centering disk On face, the drive rod of the second driving cylinder passes through the centering disk and connect with the mounting bracket.
9. planar stretch device according to claim 8, which is characterized in that second driving mechanism further includes guide sleeve Tin, the second mounting hole is offered on the centering disk, the pilot sleeve connects at second mounting hole with the centering disk It connects, the drive rod of the second driving cylinder passes through the pilot sleeve and connect with the mounting bracket.
10. described in any item planar stretch devices according to claim 1~9, which is characterized in that the centering disk is along its circumferential direction Direction interval is uniformly provided with multiple notches, forms installing arm between the adjacent notch, the number of the installing arm with it is described The number of drawing mechanism is identical, and the second end of the connecting rod of the corresponding drawing mechanism connects with the side of the corresponding installing arm It connects.
CN201810968632.5A 2018-08-23 2018-08-23 Planar stretch device Pending CN109130155A (en)

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