CN106826287A - A kind of clamp assembly for clamping square cross - Google Patents
A kind of clamp assembly for clamping square cross Download PDFInfo
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- CN106826287A CN106826287A CN201710121466.0A CN201710121466A CN106826287A CN 106826287 A CN106826287 A CN 106826287A CN 201710121466 A CN201710121466 A CN 201710121466A CN 106826287 A CN106826287 A CN 106826287A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
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Abstract
Description
技术领域technical field
本申请涉及机械制造装备领域,具体为一种用于装夹方形工件的夹具组件。The application relates to the field of mechanical manufacturing equipment, in particular to a fixture assembly for clamping a square workpiece.
背景技术Background technique
数控铣床可以加工工艺范围广,精度较高,所以应用越来越广。但目前加工对象即加工的工件多为形状规则的矩形或圆柱形工件。在加工矩形工件时,多采用通用性较强的平口钳装夹工件,在批量生产时,由于工件本身的尺寸误差或毛坯尺寸大小一致,在更换工件时需要重新对刀以确定工件坐标系的原点,从而导致加工时辅助时间过长,加工效率受到一定的影响。CNC milling machines can process a wide range of processes and have high precision, so they are more and more widely used. But at present, the processing objects, that is, the processed workpieces, are mostly rectangular or cylindrical workpieces with regular shapes. When processing rectangular workpieces, the workpieces are usually clamped by flat-nose pliers with strong versatility. In mass production, due to the size error of the workpiece itself or the size of the blanks, it is necessary to re-set the tool to determine the coordinate system of the workpiece when replacing the workpiece. As a result, the auxiliary time during processing is too long, and the processing efficiency is affected to a certain extent.
发明内容Contents of the invention
本发明的目的是提供一种用于装夹方形工件的夹具组件,其能够克服现有技术中的后述缺陷。The object of the present invention is to provide a fixture assembly for clamping a square workpiece, which can overcome the following defects in the prior art.
根据本发明的一种用于装夹方形工件的夹具组件,包括夹具组件,其特征在于:所述夹具组件包括壳体,所述壳体中部设置有能在左右方向相对靠近和相对背离的两个夹持块:左夹持块和右夹持块,在所述左夹持块的右下延伸处与所述壳体之间、所述右夹持块的左下伸出处与所壳体之间分别设置有左弹簧和右弹簧,在所述左夹持块的左侧和所述右夹持块的右侧各设置有一能上下滑的左楔紧块和右楔紧块,所述左楔紧块与所述左夹持块之间及所述右楔紧块与所述右夹持块之间以斜面相接触,所述左楔紧块和所述右楔紧块的下端面设置有斜面,所述斜面与夹持支架两侧带斜度左顶紧部和右顶紧部上面的斜面相接触,所述左楔紧块和右楔紧块的上端各设置有一弹簧、,在所述左夹持块和右夹持块之间的中部设置有一与向下延伸并穿过壳体中部凸台的升降螺杆固定连接的用以确定所述工件上下方向位置的顶盘,所述升降螺杆设置一与防转齿部相楔合的轴向长槽,升降螺杆的下部设置有一螺母,所述螺母与由蜗轮和蜗杆轴组成的蜗轮蜗杆传动中的蜗轮固定成一体,所述蜗杆轴前后方向安装并架设在所述壳体的前后侧壁,所述夹持支架包括左顶紧部、右顶紧部、以及连接所述左顶紧部和所述右顶紧部的推动部,所述推动部中部设置有一与夹持顶升电机的推杆前部的纹路相互旋合的螺孔,所述壳体的前部内壁与所述推动部之间的推杆上设置有一离合器和一升降传动带与安装在所述蜗杆轴上传动带轮连接的主动带轮,所述左夹持块的顶部还设置有一用于安装前后方向定心的定心组件的通孔,所述定心组件包括形状均呈L型的前支架和后支架,所述前支架包括圆柱状的前导向部和前夹持部,所述前导向部的端部设置一后斜面,前夹持部的内侧设置有两个在夹持时与工件前侧面接触的滚轮,在所述前导向部靠近所述后斜面处设置有一前圆环,所述前圆环与所述左夹持块上的通孔之间安装一前伸缩弹簧,前导向部靠近前夹持部处设置有一与左夹持部上通孔前部轴向直槽滑接配合的导向键,所述后支架包括圆柱状的后导向部和后夹持部,所述后导向部的端部设置一前斜面,后夹持部的内侧设置有两个在夹持时与工件前侧面接触的滚轮,在所述后导向部靠近所述前斜面处设置有一后圆环,所述后圆环与所述左夹持块上的通孔之间安装一后伸缩弹簧,后导向部靠近后夹持部处设置有一与左夹持部上通孔前部轴向直槽滑接配合的导向键,在所述前斜面和后斜面之间安装有一两侧设置成斜面的顶销,所述顶销右端伸出左夹持块的工作部,左端设置有一定心弹簧,当所述左夹持块和所述右夹持块相对靠近而夹持工件时,所述工件先与所述顶销接触,在逐步夹持的过程中,所述顶销被顶入所述左夹持块内,同时,所述前导向部和后导向部分别在所述前伸缩弹簧和后伸缩弹簧的作用下所述前夹持部和所述后夹持部向内侧移动而实现所述工件前后对中定位。A fixture assembly for clamping a square workpiece according to the present invention, including the fixture assembly, is characterized in that: the fixture assembly includes a housing, and the middle part of the housing is provided with two parts that can be relatively close to and relatively away from each other in the left and right directions. A clamping block: a left clamping block and a right clamping block, between the lower right extension of the left clamping block and the housing, between the lower left extension of the right clamping block and the housing A left spring and a right spring are arranged respectively between them, and a left wedging block and a right wedging block that can slide up and down are respectively arranged on the left side of the left clamping block and the right side of the right clamping block. Between the wedging block and the left clamping block and between the right wedging block and the right clamping block are in contact with an inclined surface, and the lower end surfaces of the left wedging block and the right wedging block are set There is an inclined surface, and the inclined surface is in contact with the inclined surfaces on the left and right top tightening parts with slopes on both sides of the clamping bracket. The upper ends of the left wedging block and the right wedging block are each provided with a spring. The middle part between the left clamping block and the right clamping block is provided with a top plate which is fixedly connected with the lifting screw extending downwards and passing through the middle boss of the housing to determine the position of the workpiece in the up and down direction. The lifting screw is provided with an axial long groove that is wedged with the anti-rotation gear, and the lower part of the lifting screw is provided with a nut. The shaft is installed in the front and rear directions and erected on the front and rear side walls of the housing, and the clamping bracket includes a left top tightening part, a right top tightening part, and a pushing part connecting the left top tightening part and the right top tightening part , the middle part of the push part is provided with a screw hole that is screwed with the lines on the front part of the push rod clamping the jacking motor, and the push rod between the front inner wall of the housing and the push part is provided with a clutch and a lifting drive belt connected to the drive pulley installed on the worm shaft, the top of the left clamping block is also provided with a through hole for installing a centering assembly for centering in the front and rear directions, and the centering The assembly includes a front bracket and a rear bracket that are both L-shaped. The front bracket includes a cylindrical front guide part and a front clamping part. A rear slope is provided at the end of the front guide part. There are two rollers that contact the front side of the workpiece when clamping, and a front ring is provided near the rear slope on the front guide, and the front ring is connected to the through hole on the left clamping block. A front telescopic spring is installed between them, and the front guide part is provided with a guide key which slides and fits with the axial straight groove at the front part of the through hole on the left clamping part near the front clamping part. The rear bracket includes a cylindrical rear guide part and the rear clamping part, the end of the rear guide part is provided with a front slope, and the inner side of the rear clamping part is provided with two rollers that contact the front side of the workpiece during clamping, and the rear guide part is close to the A rear ring is arranged at the front slope, a rear telescopic spring is installed between the rear ring and the through hole on the left clamping block, and a rear guide part is provided with a left clamping part near the rear clamping part The front key of the upper through hole is fitted with a sliding fit of the axial straight groove, and a jack pin with inclined planes on both sides is installed between the front slope and the rear slope. Department, the left end is provided with a centering spring, when When the left clamping block and the right clamping block are relatively close to clamp the workpiece, the workpiece first contacts the ejector pin, and during the gradual clamping process, the ejector pin is pushed into the left In the clamping block, at the same time, the front guide part and the rear guide part move inwardly under the action of the front telescopic spring and the rear telescopic spring respectively to realize the The workpiece is centered and positioned front and back.
进一步的技术方案,在所述夹具组件右方安装有输送带以用于输送加工完毕工件的送料槽,所述夹具组件左侧设置有贮料槽,位于所述贮料槽上方设有用于推动工件的分料推动装置,工件在所述夹具组件中定位夹持后在立式数控铣床上进行加工,加工完毕后由所述送料槽将工件送走至所需要的下一站点。In a further technical solution, a conveyor belt is installed on the right side of the clamp assembly to convey the feed chute for the processed workpiece, a storage tank is provided on the left side of the clamp assembly, and a storage tank is located above the storage tank for pushing The material distributing and pushing device of the workpiece, after the workpiece is positioned and clamped in the fixture assembly, is processed on the vertical CNC milling machine, and the workpiece is sent to the next required station by the feeding chute after processing.
进一步的技术方案,所述夹持顶升电机带动所述推动部向内侧移动时,所述左楔紧块和右楔紧块向上移动,从而推动所述左夹持块和右夹持块相对靠近而夹持工件,当所述夹持顶升电机带动所述推动部向外侧移动时,所述左楔块和右楔紧块在所述弹簧和弹簧的作用下向下移动,同时,所述左夹持块和所述右夹持块分别在所述左弹簧和所述右弹簧的作用下相对背离而松开工件。In a further technical solution, when the clamping and lifting motor drives the pushing part to move inwardly, the left wedge block and the right wedge block move upwards, thereby pushing the left clamping block and the right clamping block to face each other When the clamping and lifting motor drives the pushing part to move outward, the left wedge and the right wedge move downward under the action of the spring and the spring, and at the same time, the The left clamping block and the right clamping block move away from each other under the action of the left spring and the right spring respectively to release the workpiece.
进一步的技术方案,当所述离合器与主动带轮接合时,通过升降传动带推动所述蜗杆轴旋转,继而带动所述蜗轮旋转,所述升降螺杆产生升降的动作而使工件在上下方向实现定位。In a further technical solution, when the clutch is engaged with the driving pulley, the worm shaft is driven to rotate through the lifting transmission belt, and then the worm wheel is driven to rotate, and the lifting screw produces a lifting action to position the workpiece in the up and down direction.
通过本发明,可使工件在夹持过程中实现前后、左右两个方向上的自动对中,确保成批工件在数控铣床上加工时仅需一次对刀。由于设置了能左右滑的夹持块,通过夹持支架的前后移动,使左夹持块和右夹持块同步相对靠近而实现了左右方向的对中定位的同时实现对工件的夹持,同时,由于设置了左、右弹簧及楔紧块上端的弹簧,使左右两夹持块在相向背离时工作可靠;由于设置了定心组件,在左右夹持块相对靠近而夹持工件的过程中,所述工件将顶销压入左夹持块而使前支架和后支架同时压向工件,从而使工件在前后方向也实现自动定心功能;由于设置了升降螺杆,可以在夹持之前将工件升至所需要的位置,使工件顶面升出左、右夹持块顶面一定的高度,防止在加工过程中钳口被刀具所铣掉,此外,升降螺杆还可用于在工件加工完后将工件顶出钳口,以便于在分料推动装置的推动下将工件推入送料槽;由于设置了离合器,夹持和顶升两个动作均由夹持顶升电机完成,减少了电机数量,降低了制造成本。整个设备结构较为简单,结构稳固,成本较低,运行可靠,能够替代人工维护,对于控制器柜进行抽吸式清理除尘,保证控制器柜的正常运行;不仅能实现矩形工件在前后、左右两个方向上的对中定位,减少了加工操作的辅助时间,而且实现了工件顶面伸出夹持块距离的控制,确保了加工操作的安全性。Through the invention, the workpieces can be automatically centered in front, rear and left and right directions during the clamping process, ensuring that only one tool setting is required when batches of workpieces are processed on the numerically controlled milling machine. Since the clamping block that can slide left and right is set, the left clamping block and the right clamping block are relatively close to each other synchronously through the forward and backward movement of the clamping bracket, so that the centering and positioning in the left and right directions are realized, and the workpiece is clamped at the same time. At the same time, due to the arrangement of the left and right springs and the spring at the upper end of the wedging block, the left and right clamping blocks work reliably when they deviate from each other; due to the setting of the centering component, the process of clamping the workpiece when the left and right clamping blocks are relatively close Among them, the workpiece presses the ejector pin into the left clamping block so that the front bracket and the rear bracket are pressed against the workpiece at the same time, so that the workpiece can also realize the automatic centering function in the front and rear directions; Lift the workpiece to the required position, so that the top surface of the workpiece rises to a certain height above the top surface of the left and right clamping blocks, so as to prevent the jaws from being milled off by the tool during processing. In addition, the lifting screw can also be used to process the workpiece After finishing, push the workpiece out of the jaws so that the workpiece can be pushed into the feeding chute under the push of the material distribution push device; due to the clutch, the two actions of clamping and jacking are completed by the clamping and jacking motor, which reduces the The number of motors reduces the manufacturing cost. The structure of the whole equipment is relatively simple, the structure is stable, the cost is low, and the operation is reliable. It can replace manual maintenance. The controller cabinet is cleaned and dusted by suction to ensure the normal operation of the controller cabinet; The centering positioning in two directions reduces the auxiliary time of the processing operation, and realizes the control of the distance from the top surface of the workpiece protruding from the clamping block, ensuring the safety of the processing operation.
附图说明Description of drawings
图1是本发明的用于装夹方形工件的夹具组件的整体机构示意图;Fig. 1 is a schematic diagram of the overall mechanism of the clamp assembly for clamping a square workpiece of the present invention;
图2是图1中的夹具组件的主视图;Fig. 2 is the front view of the clamp assembly in Fig. 1;
图3是图1中的夹具组件的俯视图;Figure 3 is a top view of the clamp assembly in Figure 1;
图4是图3中的定心组件的放大示意图。FIG. 4 is an enlarged schematic view of the centering assembly in FIG. 3 .
具体实施方式detailed description
前面结合图1-4对本发明进行详细说明。The present invention is described in detail above with reference to FIGS. 1-4 .
根据实施例的一种用于装夹方形工件的夹具组件,包括夹具组件3,其特征在于:所述夹具组件3包括壳体31,所述壳体31中部设置有能在左右方向相对靠近和相对背离的两个夹持块:左夹持块42和右夹持块41,在所述左夹持块42的右下延伸处与所述壳体3之间、所述右夹持块41的左下伸出处与所壳体3之间分别设置有左弹簧421和右弹簧411,在所述左夹持块42的左侧和所述右夹持块41的右侧各设置有一能上下滑的左楔紧块52和右楔紧块51,所述左楔紧块52与所述左夹持块42之间及所述右楔紧块51与所述右夹持块41之间以斜面相接触,所述左楔紧块52和所述右楔紧块51的下端面设置有斜面,所述斜面与夹持支架60两侧带斜度左顶紧部62和右顶紧部61上面的斜面相接触,所述左楔紧块52和右楔紧块51的上端各设置有一弹簧521、511,在所述左夹持块42和右夹持块41之间的中部设置有一与向下延伸并穿过壳体中部凸台的升降螺杆83固定连接的用以确定所述工件上下方向位置的顶盘80,所述升降螺杆83设置一与防转齿部85相楔合的轴向长槽86,升降螺杆83的下部设置有一螺母84,所述螺母84与由蜗轮81和蜗杆轴82组成的蜗轮蜗杆传动中的蜗轮81固定成一体,所述蜗杆轴82前后方向安装并架设在所述壳体31的前后侧壁,所述夹持支架60包括左顶紧部62、右顶紧部61、以及连接所述左顶紧部62和所述右顶紧部61的推动部63,所述推动部63中部设置有一与夹持顶升电机9的推杆90前部的纹路相互旋合的螺孔,所述壳体31的前部内壁与所述推动部63之间的推杆90上设置有一离合器91和一升降传动带92与安装在所述蜗杆轴82上传动带轮922连接的主动带轮921,所述左夹持块42的顶部还设置有一用于安装前后方向定心的定心组件的通孔,所述定心组件包括形状均呈L型的前支架和后支架,所述前支架包括圆柱状的前导向部71和前夹持部711,所述前导向部71的端部设置一后斜面715,前夹持部711的内侧设置有两个在夹持时与工件前侧面接触的滚轮730,在所述前导向部71靠近所述后斜面715处设置有一前圆环714,所述前圆环714与所述左夹持块42上的通孔之间安装一前伸缩弹簧713,前导向部71靠近前夹持部711处设置有一与左夹持部42上通孔前部轴向直槽422滑接配合的导向键712,所述后支架包括圆柱状的后导向部72和后夹持部721,所述后导向部72的端部设置一前斜面725,后夹持部721的内侧设置有两个在夹持时与工件前侧面接触的滚轮730,在所述后导向部72靠近所述前斜面725处设置有一后圆环724,所述后圆环724与所述左夹持块42上的通孔之间安装一后伸缩弹簧723,后导向部72靠近后夹持部721处设置有一与左夹持部42上通孔前部轴向直槽424滑接配合的导向键722,在所述前斜面725和后斜面715之间安装有一两侧设置成斜面的顶销70,所述顶销70右端伸出左夹持块的工作部,左端设置有一定心弹簧73,当所述左夹持块42和所述右夹持块41相对靠近而夹持工件时,所述工件先与所述顶销70接触,在逐步夹持的过程中,所述顶销70被顶入所述左夹持块42内,同时,所述前导向部71和后导向部72分别在所述前伸缩弹簧713和后伸缩弹簧723的作用下所述前夹持部711和所述后夹持部721向内侧移动而实现所述工件前后对中定位。A fixture assembly for clamping a square workpiece according to an embodiment, including a fixture assembly 3, characterized in that: the fixture assembly 3 includes a housing 31, and the middle part of the housing 31 is provided with a device that can be relatively close in the left and right directions and Two clamping blocks that are opposite to each other: a left clamping block 42 and a right clamping block 41, between the lower right extension of the left clamping block 42 and the housing 3, the right clamping block 41 A left spring 421 and a right spring 411 are respectively arranged between the lower left protruding part of the lower left part of the body and the housing 3, and a spring that can slide up and down is respectively arranged on the left side of the left clamping block 42 and the right side of the right clamping block 41. The left wedging block 52 and the right wedging block 51, between the left wedging block 52 and the left clamping block 42 and between the right wedging block 51 and the right clamping block 41 with a slope In contact with each other, the lower end surfaces of the left wedging block 52 and the right wedging block 51 are provided with inclined surfaces, and the inclined surfaces are on the sides of the clamping bracket 60 with slopes on the left pressing portion 62 and the right pressing portion 61. The inclined surface of the left wedge block 52 and the upper end of the right wedge block 51 are respectively provided with a spring 521, 511. The lifting screw 83 extending downward and passing through the boss in the middle of the housing is fixedly connected to the top plate 80 for determining the position of the workpiece in the up and down direction. Long groove 86, the bottom of lifting screw rod 83 is provided with a nut 84, and described nut 84 is fixed with the worm gear 81 in the worm gear transmission that is made up of worm gear 81 and worm shaft 82, and described worm shaft 82 direction is installed and erected on The front and rear side walls of the housing 31 , the clamping bracket 60 includes a left tightening part 62 , a right tightening part 61 , and a push part 63 connecting the left tightening part 62 and the right tightening part 61 The middle part of the push part 63 is provided with a screw hole that is screwed with the lines on the front part of the push rod 90 clamping the jacking motor 9, and the push part between the front inner wall of the housing 31 and the push part 63 The rod 90 is provided with a clutch 91 and a lifting transmission belt 92 connected to the driving pulley 921 mounted on the transmission pulley 922 on the worm shaft 82, and the top of the left clamping block 42 is also provided with a centering belt for installation in the front and rear directions. The through hole of the centering assembly, the centering assembly includes a front bracket and a rear bracket that are all L-shaped, and the front bracket includes a cylindrical front guide part 71 and a front clamping part 711, and the front guide part The end portion of 71 is provided with a rear slope 715, and the inner side of the front clamping part 711 is provided with two rollers 730 that contact the front side of the workpiece when clamping, and a front guide part 71 is provided near the rear slope 715. Front ring 714, a front telescopic spring 713 is installed between said front ring 714 and the through hole on the left clamping block 42, and the front guide part 71 is provided with a left clamping part near the front clamping part 711. 42, the front axial straight groove 422 of the upper through hole is slidingly connected with the guide key 712, the rear bracket includes a cylindrical rear guide part 72 and a rear clamping part 721, and the end of the rear guide part 72 is set A front slope 725, the inner side of the rear clamping part 721 is provided with two rollers 730 that contact the front side of the workpiece during clamping, and a rear ring 724 is provided near the front slope 725 at the rear guide part 72, A rear telescopic spring 723 is installed between the rear ring 724 and the through hole on the left clamping block 42, and the rear guide part 72 is provided with a front joint with the through hole on the left clamping part 42 near the rear clamping part 721. The guide key 722 slidingly fitted with the straight groove 424 on the upper part of the axial direction, and a top pin 70 with both sides arranged as slopes is installed between the front slope 725 and the rear slope 715, and the right end of the top pin 70 extends out of the left clamping block The working part, the left end is provided with a centering spring 73, when the left clamping block 42 and the right clamping block 41 are relatively close to clamp the workpiece, the workpiece first contacts with the ejector pin 70, and gradually During the clamping process, the ejector pin 70 is pushed into the left clamping block 42, and at the same time, the front guide part 71 and the rear guide part 72 are respectively positioned at the ends of the front telescopic spring 713 and the rear telescopic spring 723. Under the action, the front clamping part 711 and the rear clamping part 721 move to the inner side to realize the front and rear centering of the workpiece.
其中,在所述夹具组件3右方安装有输送带以用于输送加工完毕工件的送料槽2,所述夹具组件3左侧设置有贮料槽10,位于所述贮料槽10上方设有用于推动工件的分料推动装置11,工件在所述夹具组件3中定位夹持后在立式数控铣床上进行加工,加工完毕后由所述送料槽2将工件送走至所需要的下一站点。Wherein, a conveyor belt is installed on the right side of the clamp assembly 3 to feed the feeding trough 2 for conveying the processed workpiece. In order to push the material distribution pushing device 11 of the workpiece, the workpiece is processed on the vertical CNC milling machine after being positioned and clamped in the clamp assembly 3, and the workpiece is sent to the next required by the feeding trough 2 after processing. site.
其中,所述夹持顶升电机9带动所述推动部63向内侧移动时,所述左楔紧块52和右楔紧块51向上移动,从而推动所述左夹持块42和右夹持块41相对靠近而夹持工件,当所述夹持顶升电机9带动所述推动部63向外侧移动时,所述左楔块52和右楔紧块51在所述弹簧521和弹簧511的作用下向下移动,同时,所述左夹持块42和所述右夹持块41分别在所述左弹簧421和所述右弹簧411的作用下相对背离而松开工件。Wherein, when the clamping jacking motor 9 drives the pushing part 63 to move inwardly, the left wedging block 52 and the right wedging block 51 move upwards, thereby pushing the left clamping block 42 and the right clamping block The block 41 is relatively close to clamp the workpiece. When the clamping and lifting motor 9 drives the pushing part 63 to move outward, the left wedge 52 and the right wedge 51 are positioned between the spring 521 and the spring 511. Under the action of moving downward, at the same time, the left clamping block 42 and the right clamping block 41 move away from each other under the action of the left spring 421 and the right spring 411 respectively to release the workpiece.
其中,当所述离合器91与主动带轮921接合时,通过升降传动带92推动所述蜗杆轴82旋转,继而带动所述蜗轮81旋转,所述升降螺杆83产生升降的动作而使工件在上下方向实现定位。Wherein, when the clutch 91 is engaged with the driving pulley 921, the worm shaft 82 is driven to rotate through the lifting transmission belt 92, and then the worm wheel 81 is driven to rotate, and the lifting screw 83 generates a lifting action so that the workpiece moves upward and downward. Achieve positioning.
所述夹持顶升电机可以是步进电机,也可以是交流伺服电机。The clamping and jacking motor can be a stepping motor or an AC servo motor.
本装置可使工件在夹持过程中实现前后、左右两个方向上的自动对中,确保成批工件在数控铣床上加工时仅需一次对刀。The device can realize automatic centering of the workpieces in the front, rear and left and right directions during the clamping process, ensuring that only one tool setting is required when batches of workpieces are processed on the CNC milling machine.
由于设置了能左右滑的夹持块,通过夹持支架的前后移动,使左夹持块和右夹持块同步相对靠近而实现了左右方向的对中定位的同时实现对工件的夹持,同时,由于设置了左、右弹簧及楔紧块上端的弹簧,使左右两夹持块在相向背离时工作可靠。Since the clamping block that can slide left and right is set, the left clamping block and the right clamping block are relatively close to each other synchronously through the forward and backward movement of the clamping bracket, so that the centering and positioning in the left and right directions are realized, and the workpiece is clamped at the same time. Simultaneously, because left and right springs and the spring on the upper end of the wedging block are provided, the left and right clamping blocks work reliably when they are facing away from each other.
由于设置了定心组件,在左右夹持块相对靠近而夹持工件的过程中,所述工件将顶销压入左夹持块而使前支架和后支架同时压向工件,从而使工件在前后方向也实现自动定心功能。Due to the centering assembly, when the left and right clamping blocks are relatively close to clamp the workpiece, the workpiece presses the ejector pin into the left clamping block to make the front bracket and the rear bracket press against the workpiece at the same time, so that the workpiece is The automatic centering function is also realized in the front and rear directions.
由于设置了升降螺杆,可以在夹持之前将工件升至所需要的位置,使工件顶面升出左、右夹持块顶面一定的高度,防止在加工过程中钳口被刀具所铣掉,此外,升降螺杆还可用于在工件加工完后将工件顶出钳口,以便于在分料推动装置的推动下将工件推入送料槽。Due to the setting of the lifting screw, the workpiece can be lifted to the required position before clamping, so that the top surface of the workpiece rises to a certain height above the top surface of the left and right clamping blocks, preventing the jaws from being milled off by the tool during processing , In addition, the lifting screw can also be used to push the workpiece out of the jaws after the workpiece is processed, so that the workpiece can be pushed into the feeding groove under the push of the material distribution push device.
由于设置了离合器,夹持和顶升两个动作均由夹持顶升电机完成,减少了电机数量,降低了制造成本。整个设备结构较为简单,结构稳固,成本较低,运行可靠,能够替代人工维护,对于控制器柜进行抽吸式清理除尘,保证控制器柜的正常运行;不仅能实现矩形工件在前后、左右两个方向上的对中定位,减少了加工操作的辅助时间,而且实现了工件顶面伸出夹持块距离的控制,确保了加工操作的安全性。Due to the arrangement of the clutch, both clamping and jacking actions are completed by the clamping and jacking motor, which reduces the number of motors and reduces the manufacturing cost. The structure of the whole equipment is relatively simple, the structure is stable, the cost is low, and the operation is reliable. It can replace manual maintenance. The controller cabinet is cleaned and dusted by suction to ensure the normal operation of the controller cabinet; The centering positioning in two directions reduces the auxiliary time of the processing operation, and realizes the control of the distance from the top surface of the workpiece protruding from the clamping block, ensuring the safety of the processing operation.
通过以后方式,本领域的技术人员可以在本发明的范围内根据工作模式做出各种改变。In the following manner, those skilled in the art can make various changes according to the working mode within the scope of the present invention.
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CN110524456A (en) * | 2019-09-24 | 2019-12-03 | 甬矽电子(宁波)股份有限公司 | Casual inspection device and sampling observation device |
CN112828349A (en) * | 2021-01-07 | 2021-05-25 | 崇义县佰盛五金制品有限公司 | Hardware clamping auxiliary punching equipment |
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Effective date of registration: 20181107 Address after: 233600 No. 5-6 workshop of small and medium enterprises Pioneer Park in Zhan Xi industrial park, B, Bozhou, Anhui. Applicant after: Anhui Sanzhi Brake Co.,Ltd. Address before: 325000 Wenzhou County, Zhejiang province Wencheng County, the town of the mouth of the village Applicant before: Shi Chenjing |
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Denomination of invention: A fixture component used for clamping square workpieces Granted publication date: 20181221 Pledgee: Xingyang County, Xingyang financing Company limited by guarantee Pledgor: Anhui Sanzhi Brake Co.,Ltd. Registration number: Y2024980045164 |
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Granted publication date: 20181221 Pledgee: Xingyang County, Xingyang financing Company limited by guarantee Pledgor: Anhui Sanzhi Brake Co.,Ltd. Registration number: Y2024980045164 |