Background technology
In modern mechanical processing and manufacturing field, the Digit Control Machine Tool having had a large amount of enterprises to buy high end advanced carries out the processing of part.These high-end numerical control machine can complete the processing of part automatically according to the NC code finished in advance, whole process does not need manual intervention.And the material loading of Digit Control Machine Tool and blanking substantially still complete by people's manual operation, the subject matter that manual operation exists is: need very high cost of labor to go the work of simple repetition, and can not carry out other auxiliary operations while artificial loading and unloading; Meanwhile, artificial loading and unloading labour intensity is large, and inefficiency, can machining cost be increased.
In order to reduce costs, increase work efficiency, increasing enterprise starts the transformation carrying out Digit Control Machine Tool automation loading and unloading.Wherein one of effective means introduce robot or manipulator, and automation auxiliary equipment supporting is with it as material table, realizes industrialization fully-automatic production.
The material table matched with automatic production line both at home and abroad at present mainly adopts multistation, large pallet material table, the material table that spirals of such as sixteen work station, the material table that spirals of 20 stations, its subject matter existed is: 1, material table is all single and fixing for holding the part rack of workpiece, when part rack fills workpiece, system alarm, Digit Control Machine Tool stop processing, until the part rack manually more renewed, system just restarts processing, causes production efficiency low; 2, because the error of material table transmission system frame for movement generation and the detection error of origin detector part cause occurring that part rack running fix precision is lower, will cause material loading, unloading manipulator like this in material loading, discharge process, likely grab less than part to be processed or encounter part to be processed, production line cannot normally be used.
Summary of the invention
The purpose of this utility model is to provide a kind of double reciprocating motion type material table equipment, and this equipment comprises frame, line slideway, slide plate, Rodless cylinder, part rack.Described line slideway, slide plate, Rodless cylinder and part rack all have two.Line slideway is fixed on frame upper end and be arranged in parallel; Two slide plates are slidably connected with two rectilinear orbits respectively; Two Rodless cylinders drive respectively two slide plates linearly guide rail move back and forth; Part rack is plugged on slide plate respectively; The piston element of described Rodless cylinder is fixedly connected with slide plate; Described slide plate moves back and forth between two positions of setting.
Improve as one of the present utility model, this equipment also comprises the oil buffer being arranged at frame upper end setting part rack origin position.
Improve as one of the present utility model, this equipment also comprises the limit detection device whether arriving two ends desired location for detecting slide block, if slide block reaches the position of setting, slide block stops previous movement.
Improve as one of the present utility model, this equipment also comprises part rack checkout gear, and whether the two ends for frame exist part rack, if detected part rack, equipment is started working.
The utility model compared with prior art; have the following advantages: the utility model adopt double can pulling and inserting type part rack and oil buffer, limit detection device, part rack checkout gear control location; so overcome existing material table technology need shut down renewal part frame, positioning control cost is higher or precision is not high problem, achieve higher production efficiency and positioning precision with lower cost.
Below in conjunction with Figure of description, the utility model is described further.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in further detail.
Fig. 1 shows according to double reciprocating motion type material table equipment of the present utility model, and it comprises frame 1, for adjusting the leveling bolt 2 of material table flatness, the line slideway 6 be fixedly mounted in frame, coordinating line slideway with the slide plate 4 of linear reciprocation movement, the Rodless cylinder 5, the plug type part rack 9 be installed on slide plate 4, the oil buffer 8 for manually setting part rack 9 origin position be fixedly mounted in frame 1 that drive slide plate.Rodless cylinder 5 utilizes the piston element of self directly to connect slide plate 4 to form transmission system, transmission system drives slide plate 4 so that drive plug type part rack 9 linearly guide rail 6 move back and forth.This double reciprocating motion type material table equipment also comprises: whether limit detection device, arrive the desired location at two ends for the slide block detected on Rodless cylinder 5; Whether part rack checkout gear, exist part rack 9 for the two ends detecting material table; Control device 3, connects limit detection device, part rack checkout gear and Rodless cylinder 5, for arranging the mode of operation of material table, driving direction, the warning of prompting material table of Rodless cylinder 5 and manually getting the part rack 9 filling workpiece.
The utility model provides the control method of this double reciprocating motion type material table equipment, comprise: the position testing result of control device 3 according to limit detection device and the testing result of part rack checkout gear, arrange the mode of operation of material table and control the driving direction of Rodless cylinder 5, prompting material table is reported to the police and artificial renewal part frame 9.
What correlative platform technology adopted is all single fixed part rack, and when part rack fills workpiece, system halt work, until the part rack manually more renewed, system just restarts processing, causes production efficiency low.Meanwhile, the error produced due to material table transmission system frame for movement and the detection error of origin detector part cause occurring that part rack running fix precision is lower, cause manipulator to occur picking and placeing material error in loading and unloading process, production line cannot normally be used.And adopt double in the utility model can pulling and inserting type part rack, can when a part rack fills with workpiece, automatically switch to another part rack and the work of not influential system; Oil buffer, limit detection device, part rack checkout gear is adopted to control location, the cost of oil buffer, limit detection device, part rack checkout gear is lower, oil buffer conveniently can regulate the original point position of part rack, the precision of limit detection device and part rack checkout gear is all higher, so overcome the frame for movement driving error of prior art and initial point detection error causes part rack running fix precision lower, therefore the utility model achieves higher Positioning Precision Control with lower cost.
Preferably, as shown in Figure 1, limit detection device comprises: magnetic switch sensor 7, and it is fixedly mounted on the two ends of Rodless cylinder 5, arranges shaping amplification circuit in this sensor, to ensure the sensitivity of magnetic switch sensor.
Preferably, as shown in Figure 1, magnetic switch sensor 7 is positioned at slide plate 4 linear reciprocation and moves set origin position.The motion original position of this origin position and plug type part rack 9.
Be arranged on slide plate 4 on Rodless cylinder 5 moving piston parts when magnetic switch sensor 7, magnetic switch sensor 7 can be triggered.Magnetic switch sensor 7 sends signal A when slide plate 4 being detected; When control device 3 receives described signal A, stop Rodless cylinder 5 in real time, thus avoid slide plate 4 to exceed its effective stroke.
Preferably, as shown in Figure 1, part rack checkout gear comprises: support bar 11, and its one end is arranged in described frame 1, and the other end installs the capacitive proximity sensor 10 for detecting plug type part rack 9; Capacitive proximity sensor 10, it is arranged on support bar 11, is in the vertical direction of plug type part rack 9 movement locus.In order to improve the sensitivity of detection, the end of capacitive proximity sensor and the end distance controlling of plug type part rack are within 1cm.
Preferably, as shown in Figure 1, capacitive proximity sensor 10 is positioned at the working region of plug type part rack 9.This working region is automated arm as robot or manipulator and plug type part rack 9 carry out the position of part fetching action.
When Rodless cylinder 5 drives slide plate 4, drive the plug type part rack 9 be arranged on slide plate 4 simultaneously, when in the detection range that part rack 9 moves to capacitive proximity sensor 10, capacitive proximity sensor 10 can be triggered.Capacitive proximity sensor 10 sends signal B when plug type part rack 9 being detected; When control device 3 receives signal B, show to there is part rack in current operating region, automated system can normally work.
Preferably, as shown in Figure 1, control device 3, connects limit detection device, part rack checkout gear and Rodless cylinder 5, for arranging the mode of operation of material table, driving direction, the warning of prompting material table of Rodless cylinder 5 and manually getting the part rack 9 filling workpiece.The control method adopted comprises: a) double reciprocating motion type material table equipment has automatically and manual two kinds of mode of operations; B) under manual work pattern, manually carried out the driving direction of one-step control Rodless cylinder 5 by the button on control device 3, and then drive plug type part rack 9 to working region or in the other direction away from working region; C) under automatic operation mode, when double reciprocating motion type material table equipment normally works, will detect whether there is plug type part rack 9 in working region, if do not exist, control device 3 sends sound and light alarm; D) under automatic operation mode, double reciprocating motion type material table plant control unit 3 receives the plug type part rack 9 that external system sends and fills with workpiece signal, automatic driving plug type part rack 9 leaves working region and arrives the other end, and control device 3 sends sound and light alarm prompting workman and takes off workpiece on whole part rack; Meanwhile, the plug type part rack 9 of another station on material table then participates in system works, to ensure that system does not shut down wait; Manually change the plug type part rack 9 filling with workpiece, change new parts frame and press the corresponding button on control device 3, drive part rack 9 to arrive working region, wait for the next cyclic process cycle.