CN108405780B - A kind of enclosed mechanical press ball screw type Automatic Exchange Work Benche - Google Patents

A kind of enclosed mechanical press ball screw type Automatic Exchange Work Benche Download PDF

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Publication number
CN108405780B
CN108405780B CN201810180584.3A CN201810180584A CN108405780B CN 108405780 B CN108405780 B CN 108405780B CN 201810180584 A CN201810180584 A CN 201810180584A CN 108405780 B CN108405780 B CN 108405780B
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China
Prior art keywords
pallet changer
cylinder
pedestal
collision block
fixed
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CN201810180584.3A
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CN108405780A (en
Inventor
彭鑫亮
邱玉良
李胜利
姜成杰
郝玉琴
马万里
刘开
滕荣明
邱馨慧
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Rongcheng Huadong Forging Machine Tool Ltd By Share Ltd
Harbin University of Science and Technology
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Rongcheng Huadong Forging Machine Tool Ltd By Share Ltd
Harbin University of Science and Technology
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Priority to CN201810180584.3A priority Critical patent/CN108405780B/en
Publication of CN108405780A publication Critical patent/CN108405780A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J13/00Details of machines for forging, pressing, or hammering
    • B21J13/02Dies or mountings therefor
    • B21J13/03Die mountings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J9/00Forging presses
    • B21J9/02Special design or construction

Abstract

A kind of enclosed mechanical press ball screw type Automatic Exchange Work Benche, including pedestal, pedestal is equipped with rail, rail is equipped with one or two pallet changer ontology, pallet changer ontology four corners are equipped with idler wheel jacking system, a set of ball screw driving device is equipped between each pallet changer ontology and pedestal, pallet changer ontology two sides are equipped with guiding device between pedestal respectively, taper positioning device is respectively equipped between two middle side part of pallet changer ontology and pedestal, clamping device is equipped between pallet changer ontology and pedestal, position detecting device is respectively equipped with before and after pallet changer ontology, outer wall is equipped with rail cleaning plant before and after pallet changer ontology, four sets of collision block apparatus for automatically lifting are equipped at intervals in the middle part of pedestal, pedestal four corners are respectively equipped with edge collision block device, hydraulic power unit is equipped in pedestal to fill It sets, it has many advantages, such as to be oriented to accurate, accurate positioning, and moving distance is accurate.

Description

A kind of enclosed mechanical press ball screw type Automatic Exchange Work Benche
Technical field:
The present invention relates to forging machine tool technical fields, and in particular to a kind of enclosed mechanical press ball screw type is handed over automatically Change jobs platform.
Background technique:
Pallet changer because can easily more mold exchange or parts to be processed, therefore have in enclosed mechanical press It is widely applied.But existing pallet changer is in actual use, through often will appear influence machine especially after long-time use A series of problems of bed normal use, forged part quality and production efficiency.
As shown in figures 1 to 6, be pallet changer that mechanical press generallys use, existing pallet changer be primarily present with Lower problem: (1) existing pallet changer when moving, the problem of idler wheel poor synchronization.Especially loading larger and/or work It is particularly evident when environment is poor, such as when having greasy dirt in idler wheel running track, motor will appear when driving driving wheel rotation to be beaten Sliding phenomenon, and then influence synchronism.(2) existing pallet changer has that guiding accuracy is low, stability is poor, thus causes Idler wheel is easier sideslip or damage.The removal and backhaul of existing pallet changer are moved using unilateral driving by motor band runner hub It is dynamic, side gear rotation is driven by gear and transmission shaft, since there are gaps for Gear Contact, is easy to cause error, makes for a long time With accumulated error is caused, unbalance loading and asynchronous problem are eventually led to.And idler wheel along concave guide rail be oriented to, when two sides driving wheel not When synchronous, sideslip, wheel hub and concave guide rail hard friction centering can only be leaned on, for a long time using causing wheel hub and concave guide rail quickly to grind Damage, guiding accuracy reduce.Concave guide rail is easy to accumulate sundries, and is not easily cleaned, and steel guide rail surface screw has counterbore, long-time eye Press concave rail flatness easy to damage and wheel hub roughness.(3) existing pallet changer stop position inaccuracy, influences positioning accurate Degree.Stop driving motor deceleration by signal occurs close to switch when traditional pallet changer removes or backhaul is close to terminal Only, then pallet changer stops positioning by sliding shock limited block, but limited block is easily deformed in use for some time, Eventually lead to stop position inaccuracy.(4) pallet changer can only be installed using the decision of fixed collision block, can not exchange makes With pallet changer, Automatic change film and production efficiency are influenced.(5) pallet changer can not be accurately positioned and accordingly after removing Clamp system causes pallet changer to be in active state, and when more mold exchange is easy to produce movement, causes mold positioning inaccurate Really.(6) existing pallet changer is positioned using straight pin, for a long time using be easy to causeing abrasion, backhaul position inaccurate, It has changed mold every time to need to relocate, straight pin uses serious wear for a long time, needs to change and relocates.(7) existing Pallet changer does not have corresponding overload protection arrangement, once overload uses, is easy to damage guide rail by pressure, destroys machine tool accuracy.(8) it passes System pallet changer is mostly artificial replacement mold, when needing replacing mold, after pallet changer removes, manually hangs away mold, Then the mold more renewed will be positioned manually, clamp and proofread die location in replacement process, and after mobile working playback again Again the center that proofread mold and sliding block, often positioning accuracy is inaccurate after the abrasion of pallet changer positioning pin, to weigh It resumes classes pair, whole process is bothersome laborious, and the degree of automation is low, is not able to satisfy mechanical press to automation, intelligent production line The demand of Automatic Exchange Work Benche.
And now as manufacturing industry fast development and market keen competition need, improve forging and punching parts precision, matter Amount and production efficiency become producible corporationsípurchases equipment and preferentially select.And mechanical press realize it is efficient, accurate, reliable and stable, Intelligent automation line is Development Trend of Key Technology, proposes requirements at the higher level to mechanical press pallet changer in this way --- it solves Efficiently, the problem of precision, stability, intelligence, automatic production line
Summary of the invention:
The object of the invention is in order to make up for the deficiencies of the prior art, provide a kind of enclosed mechanical press ball wire Thick stick formula Automatic Exchange Work Benche, it, which has, is oriented to accurate, accurate positioning, and moving distance is accurate, while possessing overweight detection alarm Function has positioning, clamping and interlock function after removal, can be realized the function of automatic replacement workbench.Improve exchange work Make the speed of platform more mold exchange, repetitive positioning accuracy, stability, reliability, it can be achieved that single machine or production line it is intelligent, automatic The advantages that changing control, extending pallet changer service life and improve forged product quality, solves existing in the prior art Problem.
Used technical solution is the present invention to solve above-mentioned technical problem:
A kind of enclosed mechanical press ball screw type Automatic Exchange Work Benche, including pedestal, the pedestal are equipped with steel Rail, the rail are equipped with one or two pallet changer ontology, and the pallet changer ontology four corners are respectively equipped with rolling Jacking system is taken turns, the pallet changer ontology is arranged on rail by idler wheel jacking system, each pallet changer A set of ball screw driving device is equipped between ontology and pedestal, the ball screw driving device includes being arranged on the base Servo motor, servo motor are connected with ball-screw, and ball-screw is equipped with driving nut, and pallet changer ontology is close to servo One end bottom of motor is equipped with fixing seat, and fixing seat is mounted on driving nut, and fixing seat and driving nut are along ball-screw Length direction is mobile, and the opposite driving nut of fixing seat moves up and down, and pallet changer ontology two sides are respectively between pedestal Equipped with guiding device, taper positioning device, the friendship are respectively equipped between two middle side part of pallet changer ontology and pedestal It changes jobs and is additionally provided with clamping device between playscript with stage directions body and pedestal, the pallet changer ontology is set respectively before and after being moved along it direction There is position detecting device, outer wall is equipped with the rail cleaning plant of cleaning rail, the base before and after the pallet changer ontology Seat middle part is equipped at intervals with four sets for limiting the collision block apparatus for automatically lifting of pallet changer ontology, the pedestal four corners difference Edge collision block device equipped with limitation pallet changer body position, the pedestal is interior equipped with hydraulic pump station device, described hydraulic Pump station device is respectively that idler wheel jacking system, clamping device and collision block apparatus for automatically lifting provide hydraulic power, the hydraulic pump Station arrangement, servo motor, idler wheel jacking system, clamping device, position detecting device and collision block apparatus for automatically lifting pass through respectively Conducting wire is connect with PLC controller.
The pedestal includes basis, is equipped with pedestal on the basis of described, pedestal two sides are respectively equipped with rail brace I-steel, steel On the basis of rail supports I-steel to be mounted on by adjusting screw, outer-hexagonal bolt and elastic washer, rail brace I-steel and bottom Two rail are equipped at intervals on seat, several first bolts and elastic washer are passed through into rail brace I-steel or pedestal is fixed on steel Rail back side, on the basis of be equipped with base rack.
The servo motor is fixed on base rack by studs, nuts and washers, and servo motor passes through connecting shaft Set is connect with ball-screw, and driving nut outer wall is equipped with the step groove cooperated with fixing seat, and ball-screw is close to servo electricity One end of machine is equipped with first bearing, and the other end is equipped with second bearing, and first bearing is mounted in the first support base, and first Support seat bolt, washer are fixed on base rack, and second bearing is mounted in the second support base, the second support base by bolt, Washer is mounted on base side wall, and ball-screw is equipped with the locking nut of limitation first bearing, is set on the first support base side wall There is the first gland, the first gland is fixed on the first support base by bolt, nut, and the second support base side wall is equipped with the second pressure Lid, the second gland are fixed on the second support base by bolt, nut, and the first support base is approached equipped with first and switched, and second Support base is equipped with second and is controlled respectively by conducting wire and PLC close to switch and second close to switch close to switch, described first Device connection.
The idler wheel jacking system includes jacking up cylinder, jacks up cylinder by third bolt and elastic washer and is fixed at exchange In workbench body, cylinder lower end is jacked up by the 4th bolt and elastic washer and is connected with guide plate, guide plate passes through with holes outer six Corner bolt is connect with rolling wheel support, is equipped with disk spring in the middle part of guide plate between lower end and rolling wheel support, and rolling wheel support is equipped with Roller shaft, and fixed roller shaft by the 5th bolt and elastic washer, roller shaft is equipped with bearing, and bearing is equipped with idler wheel, It is equipped with axle sleeve between idler wheel and rolling wheel support, platen is equipped between bearing and idler wheel, platen is fixed on by rolling by the first screw On wheel, it is additionally provided with overweight sensor on the pallet changer ontology, jacks up cylinder upper end and is equipped with jack-up position sensor, the top Rise cylinder connect with hydraulic pump station device, the overweight sensor and jack-up position sensor pass through conducting wire respectively with PLC controller Connection.
The guiding device includes the guide rail that two sides of base is arranged in, and pallet changer ontology two sides are respectively equipped with peace Loading board, self-lubricating copper guide-rail plate are bolted on mounting plate, and self-lubricating copper guide-rail plate and guide rail cooperate to exchanging work The movement of playscript with stage directions body is accurately oriented to.
The taper positioning device includes two conical dowel pins being set on the base and is arranged in the four of basic two sides A conical dowel pin, the conical dowel pin by the 6th bolt and elastic washer be fixed on pedestal or on the basis of, exchange work Playscript with stage directions body is equipped with flange sleeve, and flange sleeve is fixed on pallet changer ontology by the 7th bolt and elastic washer, flange sleeve The interior taper positioning sleeve being equipped with conical dowel pin cooperation positioning, leads between the taper positioning sleeve and flange sleeve equipped with self-lubricating To set, spring is equipped in the middle part of the taper positioning sleeve between outer wall and flange sleeve.
The clamping device includes the clamping cylinder for being separately positioned on pallet changer ontology four corners, the clamping cylinder lower end Equipped with clamping head, the pedestal is equipped with four gripping blocks cooperated with clamping head, and basic both ends are respectively equipped with matches with clamping head Close four gripping blocks, gripping block by the 8th bolt and elastic washer be fixed on pedestal or on the basis of, set in the gripping block There is the convex groove with clamping head cooperation, the clamping cylinder is connect with hydraulic pump station device.
The position detecting device includes nylon lid, and nylon lid is by the 9th bolt and elastic washer setting in exchange work On playscript with stage directions body, position-detection sensor is installed in nylon lid, position-detection sensor is connect by conducting wire with PLC controller.
The rail cleaning plant includes backing plate, and strip hole is equipped with inside backing plate, is equipped with common cylinder spiral in strip hole Compressed spring, common cylinder spiral compression spring are equipped with pressing plate, and the strip hole that the second screw passes through on pressing plate and backing plate is fixed On pallet changer ontology.
The collision block apparatus for automatically lifting includes that collision block jacks up cylinder, and it is solid by the tenth bolt and elastic washer that collision block jacks up cylinder It is scheduled on pedestal, collision block jacks up cylinder upper end and is equipped with L-type collision block, and L-type collision block is fixed on and is hit by the 11st bolt and elastic washer Block jacks up on cylinder, and the collision block jacks up cylinder and is equipped with jack-up sensor and free fall sensor, sets on the pallet changer ontology There is the collision block with collision block cooperation, collision block is fixed on pallet changer ontology by the 12nd bolt and elastic washer, collision block top It plays cylinder to connect with hydraulic pump station device, jacks up sensor and free fall sensor passes through conducting wire respectively and connect with PLC controller.
The edge collision block device includes edge L-type collision block, and the edge L-type collision block passes through the 13rd bolt and elastic cushion Circle is fixed on base rack.
The hydraulic pump station device includes hydraulic power unit, the hydraulic power unit by pipeline respectively with four jack-up cylinders, four A clamping cylinder and four collision blocks jack up cylinder connection, and the pipeline is equipped with control respectively and jacks up to cylinder, clamping cylinder and collision block is jacked up The solenoid valve of cylinder forward and reverse fuel feeding and the pressure sensor and pressure switch of control system operating pressure, the solenoid valve, Pressure sensor and pressure switch pass through conducting wire respectively and connect with PLC controller.
The hydraulic power unit is separately connected that there are three main fixed flow divider-combiner, a fixed shuntings of master by pipeline Combiner valve is four jack-up oil supply cylinders in idler wheel jacking system, and a fixed flow divider-combiner of master is four in clamping device A clamping oil supply cylinder, a fixed flow divider-combiner of master are that four collision blocks in collision block apparatus for automatically lifting jack up oil supply cylinder, Each fixed flow divider-combiner of master is separately connected there are two fixed flow divider-combiner, and each fixed flow divider-combiner separates Two oil circuits.
The PLC controller is enclosed mechanical press from tape controller.
Preferably, it is set on the rail there are two pallet changer ontology, two pallet changer ontology opposite sides movements, In this body running of pallet changer when, another pallet changer ontology carries out mold and changes the outfit work.
The hydraulic pump station device includes two hydraulic power units, wherein a hydraulic power unit is wherein a set of pallet changer Four four clamping oil supply cylinders jacked up in cylinder and clamping device in idler wheel jacking system in ontology, another hydraulic power unit Oil supply cylinder is jacked up for four jack-up cylinders in another set of pallet changer ontology, four collision blocks on four clamping cylinders and pedestal.
The pallet changer of the application is arranged in mechanical press front and rear part or left and right part, the pallet changer of the application A pallet changer ontology can be set, may also set up two pallet changer ontologies.
The present invention using the above scheme, for existing press machine pallet changer, devises one kind Enclosed mechanical press ball screw type Automatic Exchange Work Benche is realized by designing guiding device to pallet changer ontology It is accurately oriented in moving process and precise positioning;By designing ball screw driving device, realize that servo motor passes through Ball-screw drives driving nut, fixing seat and pallet changer ontology to move together along ball-screw length direction, solid simultaneously Reservation can opposite driving nut move up and down, i.e., when pallet changer ontology moves up and down fixing seat and then together on move down It is dynamic, and drive nut and ball-screw then motionless, first can be realized position detection close to switch and second close to switch, ball Lead screw has low friction resistance, the advantages of high transmission efficiency and high fatigue life and accuracy life, it can be achieved that high precision micro into It gives and high speed feed, guarantee transmission accuracy improves the positioning accuracy and repetitive positioning accuracy of pallet changer ontology, Er Qieyu PLC controller cooperation is, it can be achieved that error-detecting and position compensation function;By designing clamping device, exchange work is not only realized Playscript with stage directions body is accurately positioned in processing and clamps, and removes and also carry out accurate positioning clamping in rear mold replacement process, improves mold changing Have accurate and efficiency, avoids duplicate positioning;By designing idler wheel jacking system, while meeting roller motion requirement, avoid Overload;It is more accurate to be positioned by design taper positioning device, also has precise positioning after removal;Pass through design hydraulic power unit dress The hydraulic cylinder synchronous running realized in each device is set, Integral synchronous is more preferable, and operation is more stable, improves pallet changer more The speed of mold exchange, repetitive positioning accuracy, stability, reliability, it can be achieved that single machine or production line intelligence, automation control System, the advantages that extending pallet changer service life and improve forged product quality.
Detailed description of the invention:
Fig. 1 is the main view of existing pallet changer;
Fig. 2 is the top view of existing pallet changer;
Fig. 3 is the portion Y partial enlarged view in Fig. 1;
Fig. 4 is sectional view along A-A in Fig. 2;
Fig. 5 is B-B direction cross-sectional view in Fig. 2;
Fig. 6 is that existing pallet changer removes status diagram;
Fig. 7 is cross-sectional view of the pallet changer of the present invention with ball-screw;
Fig. 8 is top view of the pallet changer of the present invention with ball-screw;
Fig. 9 is cross-sectional view of the pallet changer of the present invention without ball-screw;
Figure 10 is ball screw driving device structural schematic diagram of the present invention;
Figure 11 is pallet changer ontology main view of the present invention;
Figure 12 is this body-side view of pallet changer of the present invention;
Figure 13 is idler wheel jacking system main view of the present invention;
Figure 14 is idler wheel jacking system side view of the present invention;
Figure 15 is taper positioning device structure schematic diagram of the present invention;
Figure 16 is clamping device structural schematic diagram of the present invention;
Figure 17 is position detecting device structural schematic diagram of the present invention;
Figure 18 is rail cleaning plant main view of the present invention;
Figure 19 is rail cleaning plant side view of the present invention;
Figure 20 is collision block apparatus for automatically lifting structural schematic diagram of the present invention;
Figure 21 is edge collision block device structural schematic diagram of the present invention;
In figure, 1, pedestal, 101, basis, 102, pedestal, 103, rail brace I-steel, 104, adjust screw, 105, outer Hex bolts and elastic washer, the 106, first bolt and elastic washer, 107, base rack, 2, rail, 3, pallet changer sheet Body, 4, idler wheel jacking system, 401, jack-up cylinder, 402, third bolt and elastic washer, the 403, the 4th bolt and elastic washer, 404, guide plate, 405, outer-hexagonal bolt with holes and elastic washer, 406, rolling wheel support, 407, disk spring, 408, roller shaft, 409, the 5th bolt and elastic washer, 410, bearing, 411, idler wheel, 412, axle sleeve, 413, platen, the 414, first screw, 415, Overweight sensor, 416, jack-up position sensor, 5, ball screw driving device, 501, servo motor, 502, ball-screw, 503, driving nut, 504, fixing seat, 505, coupling sleeve, 506, step groove, 507, first bearing, 508, second bearing, 509, the first support base, the 510, second support base, 511, locking nut, the 512, first gland, the 513, second gland, 514, first Close to switch, the 515, second close switch, 6, guiding device, 601, guide rail, 602, mounting plate, 603, self-lubricating copper guide-rail plate, 604, bolt, 7, taper positioning device, 701, conical dowel pin, the 702, the 6th bolt and elastic washer, 703, flange sleeve, 704, 7th bolt and elastic washer, 705, taper positioning sleeve, 706, self-lubricating guide sleeve, 707, spring, 8, clamping device, 801, folder Tight cylinder, 802, clamping head, 803, gripping block, the 804, the 8th bolt and elastic washer, 805, convex groove, 9, position detection dress It sets, 901, nylon lid, the 902, the 9th bolt and elastic washer, 903, position-detection sensor, 10, rail cleaning plant, 1001, Backing plate, 1002, strip hole, 1003, common cylinder spiral compression spring, 1004, pressing plate, the 1005, second screw, 11, collision block from Dynamic lifting device, 1101, collision block jack-up cylinder, the 1102, the tenth bolt and elastic washer, 1103, L-type collision block, the 1104, the 11st spiral shell Bolt and elastic washer, 1105, jack-up sensor, 1106, free fall sensor, 1107, collision block, the 1108, the 12nd bolt and elasticity Washer, 12, collision block device, 1201, edge L-type collision block, the 1202, the 13rd bolt and elastic washer, 13, hydraulic pump station device, 1301, hydraulic power unit, 1302, main fixed flow divider-combiner, 1303, fixed flow divider-combiner, 1304, pressure sensor, 14, conventional table, 15, conventional drive mechanism, 16, drive shaft, 17, coupling sleeve, 18, band gear rollers, 19, driving gear, 20, traditional jacking mechanism, 21, traditional clamp system, 22, driving roller wheel, 23, driven roller, 24, traditional positioning mechanism, 25, Traditional collision block mechanism, 26, guide supporting I-steel.
Specific embodiment:
In order to clarify the technical characteristics of the invention, below by specific embodiment, and its attached drawing is combined, to this hair It is bright to be described in detail.
As shown in fig.7-12, a kind of enclosed mechanical press ball screw type Automatic Exchange Work Benche, including pedestal 1, base Seat 1 is equipped with rail 2, and rail 2 is equipped with one or two pallet changer ontology 3,3 four corners of pallet changer ontology difference Equipped with idler wheel jacking system 4, pallet changer ontology 3 is arranged on rail 2 by idler wheel jacking system 4, each exchange work A set of ball screw driving device 5 is equipped between playscript with stage directions body 3 and pedestal 1, ball screw driving device 5 includes being arranged in pedestal 1 On servo motor 501, servo motor 501 is connected with ball-screw 502, and ball-screw 502 is equipped with driving nut 503, hands over The playscript with stage directions body 3 that changes jobs close to one end bottom of servo motor 501 is equipped with fixing seat 504, and fixing seat 504 is mounted on driving nut On 503, fixing seat 504 and driving nut 503 are moved along 502 length direction of ball-screw, the opposite driving nut of fixing seat 504 503 move up and down, 3 two sides of pallet changer ontology respectively between pedestal 1 be equipped with guiding device 6,3 liang of pallet changer ontology It is respectively equipped with taper positioning device 7 between middle side part and pedestal 1, clamping dress is additionally provided between pallet changer ontology 3 and pedestal 1 8 are set, pallet changer ontology 3 is respectively equipped with position detecting device 9,3 front and back of pallet changer ontology before and after being moved along it direction Outer wall is equipped with the rail cleaning plant 10 of cleaning rail 2, and four sets are equipped at intervals in the middle part of pedestal 1 for limiting pallet changer sheet The collision block apparatus for automatically lifting 11 of body 3,1 four corners of pedestal are respectively equipped with the edge collision block of limitation 3 position of pallet changer ontology Device 12, pedestal 1 is interior to be equipped with hydraulic pump station device 13, and hydraulic pump station device 13 is respectively idler wheel jacking system 4, clamping device 8 Hydraulic power, hydraulic pump station device 13, servo motor 501, idler wheel jacking system 4, folder are provided with collision block apparatus for automatically lifting 11 Tight device 8, position detecting device 9 and collision block apparatus for automatically lifting 11 are connect by conducting wire with PLC controller respectively.Pass through design Guiding device 6 is realized and is accurately oriented in moving process to pallet changer ontology 3 and precise positioning;It is rolled by design Ballscrew driving device 5 realizes that servo motor 501 drives driving nut 503, fixing seat 504 and exchange by ball-screw 502 Workbench body 3 is moved along 502 length direction of ball-screw together, while fixing seat 504 can opposite about 503 nut of driving Mobile, i.e., when pallet changer ontology 3 moves up and down, fixing seat 504 and then moves up and down together, and drives nut 503 and rolling Ballscrew 502 is then motionless, and first can be realized position detection, ball-screw 502 close to switch 515 close to switch 514 and second With low friction resistance, the advantages of high transmission efficiency and high fatigue life and accuracy life, it can be achieved that high precision micro feeding and High speed feed guarantees transmission accuracy, improves the positioning accuracy and repetitive positioning accuracy of pallet changer ontology 3, and and PLC Controller cooperation is, it can be achieved that error-detecting and position compensation function;By designing clamping device 8, pallet changer is not only realized Ontology 3 is accurately positioned in processing and clamps, and removes and also carry out accurate positioning clamping in rear mold replacement process, improves mold exchange Accurate and efficiency, avoids duplicate positioning;By designing idler wheel jacking system 4, while meeting roller motion requirement, avoided It carries;It is more accurate to be positioned by design taper positioning device 7, also has precise positioning after removal;Pass through design hydraulic power unit dress The hydraulic cylinder synchronous running in each device of 13 realizations is set, Integral synchronous is more preferable, and operation is more stable, improves pallet changer The speed of more mold exchange, repetitive positioning accuracy, stability, reliability, it can be achieved that single machine or production line intelligence, automation control System, the advantages that extending pallet changer service life and improve forged product quality.
Pedestal 1 includes basis 101, and basis 101 is equipped with pedestal 102, and 102 two sides of pedestal are respectively equipped with rail brace I-shaped Steel 103, rail brace I-steel 103 are mounted on basis 101 by adjusting screw 104 and outer-hexagonal bolt and elastic washer 105 On, two rail 2 are equipped at intervals on rail brace I-steel 103 and pedestal 102, by several first bolts and elastic washer 106 It is fixed on 2 back side of rail across rail brace I-steel 103 or pedestal 102, basis 101 is equipped with base rack 107.By setting Meter basis 101, pedestal 102 and rail brace I-steel 103, keep 1 structure of overall base firm, it is ensured that pedestal 1 is horizontal, convenient for peace Dress and adjusting pallet changer ontology 3 had both been played by installing the first bolt and elastic washer 106 in 2 back side of rail by rail 2 are fixed on the purpose on pedestal 1, also ensure that 2 upper surface of rail is complete plane, convenient for improving running precision.
As shown in Figure 10, servo motor 501 is fixed on base rack 107 by studs, nuts and washers, servo Motor 501 connect by coupling sleeve 505 with ball-screw 502, drives 503 outer wall of nut equipped with cooperating with fixing seat 504 Step groove 506, ball-screw 502 are equipped with first bearing 507 close to one end of servo motor 501, and the other end is equipped with Two bearings 508, first bearing 507 are mounted in the first support base 509, and the first support base 509 is fixed on base by bolt, washer On plinth bracket 107, second bearing 508 is mounted in the second support base 510, and the second support base 510 is mounted on by bolt, washer On 102 side wall of pedestal, ball-screw 502 is equipped with the locking nut 511 of limitation first bearing 507,509 side wall of the first support base It is equipped with the first gland 512, the first gland 512 is fixed on the first support base 509 by bolt, nut, the second support base 510 Side wall is equipped with the second gland 513, and the second gland 513 is fixed on the second support base 510 by bolt, nut, the first support Seat 509 is equipped with first close to switch 514, and the second support base 510 is equipped with second close to switch 515, the first close switch 514 It is connect respectively by conducting wire with PLC controller with second close to switch 515.
As shown in Figs. 13 and 14, idler wheel jacking system 4 includes jacking up cylinder 401, jacks up cylinder 401 and passes through third bolt and elasticity Washer 402 is fixed in pallet changer ontology 3, is jacked up 401 lower end of cylinder and is connected by the 4th bolt and elastic washer 403 There is guide plate 404, guide plate 404 is connect by outer-hexagonal bolt 405 with holes with rolling wheel support 406,404 middle part lower end of guide plate Disk spring 407 is equipped between rolling wheel support 406, rolling wheel support 406 is equipped with roller shaft 408, and by the 5th bolt and Elastic washer 409 is fixed by roller shaft 408, and roller shaft 408 is equipped with bearing 410, and bearing 410 is equipped with idler wheel 411, idler wheel It is equipped with axle sleeve 412 between 411 and rolling wheel support 406, platen 413 is equipped between bearing 410 and idler wheel 411, passes through the first screw 414 are fixed on platen 413 on idler wheel 411, and overweight sensor 415 is additionally provided on pallet changer ontology 3, jack up on cylinder 401 It holds to be equipped with and jacks up position sensor 416, jack up cylinder 401 and connect with hydraulic pump station device 13, overweight sensor 415 and jack-up position Sensor 416 is connect with PLC controller respectively by conducting wire.It can not only be realized by designing idler wheel jacking system 4 to exchange The accurate jack-up of workbench body 3 and whereabouts, and overload is effectively avoided to damage lathe or rail 2.
Guiding device 6 includes the guide rail 601 that 1 two sides of pedestal are arranged in, and 3 two sides of pallet changer ontology are respectively equipped with installation Plate 602, self-lubricating copper guide-rail plate 603 are fixed on mounting plate 602 by bolt 604, self-lubricating copper guide-rail plate 603 and guide rail 601 cooperations are accurately oriented to the movement of pallet changer ontology 3.Self-lubricating copper guide-rail plate 603 and guide rail 601 cooperatively form shifting Dynamic pair provides accurate guiding role for the movement of pallet changer ontology 3, it is low, steady to solve existing pallet changer guiding accuracy Sideslip problem caused by qualitative difference.
As shown in figure 15, taper positioning device 7 includes two conical dowel pins 701 being arranged on pedestal 102 and setting Four conical dowel pins 701 in basic 101 two sides, conical dowel pin 701 are fixed on by the 6th bolt and elastic washer 702 On pedestal 102 or basis 102, pallet changer ontology 3 is equipped with flange sleeve 703, and flange sleeve 703 passes through the 7th bolt and elasticity Washer 704 is fixed on pallet changer ontology 3, and it is fixed with the taper of the cooperation positioning of conical dowel pin 701 to be equipped in flange sleeve 703 Position set 705, is equipped with self-lubricating guide sleeve 706,705 middle part outer wall of taper positioning sleeve between taper positioning sleeve 705 and flange sleeve 703 Spring 707 is equipped between flange sleeve 703.Spring 707 carries out the setting of pretightning force, to place positioning, taper positioning sleeve 705 Compressible spring 707, small stroke move up, and realize accurate positioning function, the taper positioning device positioning accuracy of the application More preferably, energy automatic capturing, and antiwear property is more durable relative to existing cylindrical positioning pins mode.
As shown in figure 16, clamping device 8 includes the clamping cylinder 801 for being separately positioned on 3 four corners of pallet changer ontology, folder Tight 801 lower end of cylinder is equipped with clamping head 802, and pedestal 102 is equipped with four gripping blocks 803 cooperated with clamping head 802, basis 101 Both ends are respectively equipped with four gripping blocks 803 cooperated with clamping head 802, and gripping block 803 passes through the 8th bolt and elastic washer 804 It is fixed on pedestal 102 or basis 101, gripping block 803 is equipped with the convex groove 805 cooperated with clamping head 802, clamping cylinder 801 connect with hydraulic pump station device 13.The clamping device 8 of the application can not only ensure pallet changer ontology 3 worked It clamps in journey, and can also be clamped when more mold exchange after removing, it is ensured that the reliability of die change and the accuracy of positioning.
As shown in figure 17, position detecting device 9 includes nylon lid 901, and nylon lid 901 passes through the 9th bolt and elastic washer 902 are arranged on pallet changer ontology 3, and position-detection sensor 903, position-detection sensor are equipped in nylon lid 901 903 are connect by conducting wire with PLC controller.Accurate detection pallet changer ontology 3 removes and in place whether shift-in stop falling, It is accurate to ensure to run.
As shown in Figures 18 and 19, rail cleaning plant 10 includes backing plate 1001, is equipped with strip hole 1002 inside backing plate 1001, Common cylinder spiral compression spring 1003 is equipped in strip hole 1002, common cylinder spiral compression spring 1003 is equipped with pressing plate 1004, the strip hole 1002 that the second screw 1005 passes through on pressing plate 1004 and backing plate 1001 is fixed on pallet changer ontology 3. The second screw 1005 of the application overcomes 1003 spring force of common cylinder spiral compression spring to be in impaction state, and backing plate 1001 Just can be freely up and down, when pallet changer ontology 3 rises, backing plate 1001 is fallen by self gravity, and backing plate There are gap between 1001 lowest parts and rail 2, interstice coverage 0.2-0.5mm guarantees that pallet changer ontology 3 is on the move Rail 2 will not be scratched, backing plate 1001 is pushed back by rail 2 when pallet changer ontology 3 falls.
As shown in figure 20, collision block apparatus for automatically lifting 11 includes that collision block jacks up cylinder 1101, and collision block jacks up cylinder 1101 by the Ten bolts and elastic washer 1102 are fixed on pedestal 102, and collision block jacks up 1101 upper end of cylinder and is equipped with L-type collision block 1103, L-type collision block 1103, which are fixed on collision block by the 11st bolt and elastic washer 1104, jacks up on cylinder 1101, and collision block jacks up cylinder 1101 and is equipped with top Sensor 1105 and free fall sensor 1106 are played, pallet changer ontology 3 is equipped with the collision block cooperated with L-type collision block 1103 1107, collision block 1107 is fixed on pallet changer ontology 3 by the 12nd bolt and elastic washer 1108, and collision block jacks up cylinder 1101 connect with hydraulic pump station device 13, jack up sensor 1105 and free fall sensor 1106 and are controlled respectively by conducting wire and PLC Device connection.Realizing that jack-up sensor 1105 and free fall sensor 1106 detect pallet changer ontology 3 respectively and jack up and fall is No main function is to prevent from the playback of pallet changer ontology 3 from slowing down to stop being more than predetermined position in place, realizes indirect addressing function Can, the collision block apparatus for automatically lifting 11 of two sides cooperates, and being moveable into and out for pallet changer ontology 3, two exchanges may be implemented Workbench body 3 all has the function of that collision block auxiliary stops and will not interfere.
As shown in figure 21, edge collision block device 12 includes edge L-type collision block 1201, and edge L-type collision block 1201 passes through the tenth Three bolts and elastic washer 1202 are fixed on base rack 107.Stop position is quasi- after ensuring the removal of pallet changer ontology 3 Really.
Hydraulic pump station device 13 include hydraulic power unit 1301, hydraulic power unit 1301 by pipeline respectively with four jack-up cylinders 401, four clamping cylinders 801 and four collision blocks jack up cylinders 1101 and connect, pipeline be equipped with control respectively to jack up cylinder, clamping cylinder and Collision block jacks up the solenoid valve of cylinder forward and reverse fuel feeding and the pressure sensor 1304 and pressure switch of control system operating pressure, Solenoid valve, pressure sensor 1304 and pressure switch pass through conducting wire respectively and connect with PLC controller.For each top in the application It plays cylinder 401, clamping cylinder 801 and collision block and the offer hydraulic power of cylinder 1101 is provided, and then realize various action requests, solenoid valve passes through PLC controller control can control the forward and reverse that each jack-up cylinder 401, clamping cylinder 801 and collision block jack up cylinder 1101 respectively Fuel feeding, realize at any time stretch out with withdraw interlock, pressure switch OK7521, can control system operating pressure, when clamp end pressure When less than 10Mpa, in fact it could happen that pallet changer ontology 3 clamps insecure situation, will appear pallet changer in punching course The displacement of ontology 3 and the case where mold damage and punching parts, at this point, pressure switch sending signal should be waited, system automatic compensation, After reaching pressure requirements, press machine starting;When jacking up 401 pressure of cylinder less than 12Mpa, in fact it could happen that pallet changer ontology 3 The problem of falling cylinder when starting, pallet changer ontology 3 cannot start at this time, and pressure switches should be waited to issue signal, and system is mended automatically Pressure, after reaching pressure requirements, can just start pallet changer ontology 3.
Hydraulic power unit 1301 is separately connected by pipeline there are three main fixed flow divider-combiner 1302, and a master is fixed Flow divider-combiner 1302 is four jack-up oil supply cylinders 401 in idler wheel jacking system 4, a fixed flow divider-combiner 1302 of master For four 801 fuel feeding of clamping cylinder in clamping device 8, a fixed flow divider-combiner 1302 of master is collision block apparatus for automatically lifting Four collision blocks in 11 jack up 1101 fuel feeding of cylinder, and each fixed flow divider-combiner 1302 of master is separately connected that there are two fixed point Combiner valve 1303 is flowed, each fixed flow divider-combiner separates two oil circuits.Ensure each clamping cylinder 801, jack up cylinder 401 and hit Block jacks up the synchronism that cylinder 1101 rises and falls.
PLC controller is enclosed mechanical press from tape controller.
Preferably, it is set on rail 2 there are two pallet changer ontology 3, two 3 opposite sides of pallet changer ontology movements, In pallet changer ontology 3 when working, another pallet changer ontology 3 carries out mold and changes the outfit work.
Hydraulic pump station device 13 includes two hydraulic power units 1301, wherein a hydraulic power unit 1301 is one of exchange Four in idler wheel jacking system 4 in workbench body 3 four clamping cylinders 801 jacked up in cylinder 401 and clamping device 8 supply Oil, another hydraulic power unit 1301 are four jack-up cylinders, 401, four 801 and of clamping cylinder in another set of pallet changer ontology 3 Four collision blocks on pedestal 102 jack up 1101 fuel feeding of cylinder.
Pallet changer operating process of the invention:
Operating process is designed for being set on rail there are two pallet changer ontology.
The Automatic Exchange Work Benche of the application is mounted on enclosed mechanical press when use, and is closed by route access PLC controller on formula mechanical press, two 3 opposite sides of pallet changer ontology are mobile, when 3 work of pallet changer ontology When making, another carries out mold and changes the outfit work, and when press machine enters mold changing program, the workbench in press machine is removed, another Portion's workbench enters, and realizes the quick-replaceable work of mold, improves production efficiency.
When more mold exchange, die change mode is selected on touch screen (touch screen of PLC controller connection), at this time normally The one of pallet changer ontology 3 of situation works in a press, another pallet changer ontology 3 is outside press machine Portion stops more finishing changing mold, therefore system passes through the pallet changer sheet outside the detection confirmation of position-detection sensor 903 first Accurate stop position of the body 3 outside press machine and it is in shutdown status, is then passed by free fall sensor 1106 and jacking up Sensor 1105 detects 11 status of collision block apparatus for automatically lifting that remove side, if being in full state, can enter mould Have disengaging mode, if being in raised configuration, signals to the solenoid directional control valve work on hydraulic power unit 1301, collision block is automatic Collision block jacks up the reversely logical oil of cylinder 1101 in lifting device 11, jacks up cylinder 1101 and falls, and after falling in place, collision block automatic lifting dress The free fall sensor 1106 for setting 11 lower parts signals, and system enters workbench mould separating mode.
Into after mould separating mode, system control sliding block (sliding block on press machine) is slowly fallen, the sensing on mold After device detects mold closure in place, mold automatic clamping device unclamps, and sensor signals after release, and system controls on sliding block It rises, simultaneity factor enters pallet changer and removes mode.
Into after removal mode, PLC controller sends signal to hydraulic power unit solenoid valve, and electromagnetism valve events first give clamping cylinder 801 pipeline fuel feeding, clamping cylinder 801 are gone out by oil overhold, and clamping head 802 is separated with gripping block 803, and then PLC controls hydraulic power unit Electromagnetism valve events on 1301 jack up 401 fuel feeding of cylinder to idler wheel, and idler wheel jack-up cylinder 401 leads to oil overhold and goes out, and jack up 401 top of cylinder Jack up position sensor 416 confirmation jack up in place after, PLC controller control servo motor 501 start, by ball-screw 502, Drive nut 503 and fixing seat 504 that pallet changer ontology 3 is pushed to remove.System passes through position according to the removal distance set It sets detection sensor 903 constantly to detect, when close to stop position, PLC controller controls servo motor 501 and slows down until stopping In accurate location, after position-detection sensor 903 confirms that position stops accurately, PLC controller controls the change of electromagnetism valve events and supplies Oily direction, jacking up cylinder 401, reversely logical oil is packed up, and pallet changer ontology 3 is fallen, the sensing of 3 lower plane of pallet changer ontology After device detection is fallen in place, PLC controller control 1301 electromagnetism valve events of hydraulic power unit are signaled to, clamping cylinder 801 is reversely logical Oil pull-up, clamping head 802 tense gripping block 803.It clamps sensor when in place on clamping cylinder 801 to signal, system enters mould Tool handling and Installation Modes realize that mold installs clamping automatically, and simultaneity factor controls another pallet changer ontology 3 into work Make platform shift-in mode.
After another pallet changer ontology 3 enters shift-in mode, system passes through position-detection sensor 903 first and detects Confirm accurate stop position of another pallet changer ontology 3 outside press machine and whether in shutdown status, then leads to It crosses position-detection sensor 903 and detects 11 status of collision block apparatus for automatically lifting that be moved into side, if being in full state, Shift-in mode can then be entered, if being in raised configuration, signal to the solenoid directional control valve work on fluid pressure drop pumping plant 1301, Collision block jacks up the reversely logical oil of cylinder 1101 in collision block apparatus for automatically lifting 11, and collision block jack-up cylinder 1101 falls, after falling in place, hits The free fall sensor 1106 of 11 lower part of block apparatus for automatically lifting signals, and system enters shift-in mode.PLC controller control is hydraulic 1301 electromagnetism valve events of pumping plant first give clamping cylinder 801 pipeline fuel feeding, and clamping cylinder 801 is unclamped by oil, clamping head 802, and then PLC is controlled Electromagnetism valve events on device control hydraulic power unit 1301 processed jack up 401 fuel feeding of cylinder to idler wheel, and idler wheel jacks up cylinder 401 and leads to oil overhold, After the confirmation of jack-up position sensor 416 on jack-up 401 top of cylinder jacks up in place, PLC controller control servo motor 501 is opened It is dynamic, the pallet changer ontology 3 shift-in is pushed by ball-screw 502, driving nut 503 and fixing seat 504.System is according to setting The removal distance set constantly detects, and when close to stop position, servo motor 501 slows down until stopping at accurate location, position After setting the confirmation of detection sensor 903 position stopping accurately, PLC controller controls electromagnetism valve events and changes fuel feeding direction, jack-up cylinder 401 directions, which lead to oil, packs up, which falls, taper positioning sleeve 705 and bottom on the pallet changer ontology 3 Positioning is completed in the contact of conical dowel pin 701 on seat, and the sensor of 3 lower plane of pallet changer ontology, which detects, to be fallen in place Afterwards, PLC controller control 1301 electromagnetism valve events of hydraulic power unit are signaled to, reversely logical oil pulls up clamping cylinder 801, clamping head 802 tense gripping block 803.After sensor detection on clamping cylinder 801 clamps in place, it is mechanical to signal to PLC controller control Sliding block on press machine is displaced downwardly to upper mold position and Automatic-clamping, sliding after the sensor detection mold on sliding block is installed in place Block playback, press machine program recovery to punching press mode complete entire die change work, realize press machine pallet changer certainly The application of dynamicization replacement Tool and Die Technology.The enclosed mechanical press ball screw type Automatic Exchange Work Benche of the application has guiding Accurately, accurate positioning, moving distance is accurate, while possessing overweight detection warning function, has positioning, clamping and interlocking after removal Function, the function of can be realized automatic replacement workbench (pass through driving gear 19, drive shaft relative to conventional drive mechanism 15 16, coupling sleeve 17, band gear rollers 18 realize that driving roller band 22 moves driven roller 23 and drives conventional table 14 mobile together, The jack-up that workbench is realized by traditional jacking mechanism 20, is positioned by traditional positioning mechanism 24, passes through traditional clamping machine Structure 21 is clamped conventional table 14, and better effect is obvious for being limited by traditional collision block mechanism 25).It improves The speed of pallet changer more mold exchange, repetitive positioning accuracy, stability, reliability, it can be achieved that single machine or production line intelligence The advantages that changing, automation control, extending pallet changer service life and improve forged product quality.
Above-mentioned specific embodiment cannot function as limiting the scope of the invention, for the technology people of the art For member, any alternate modification or transformation made to embodiment of the present invention are fallen within the scope of protection of the present invention.
Place is not described in detail by the present invention, is the well-known technique of those skilled in the art of the present technique.

Claims (8)

1. a kind of enclosed mechanical press ball screw type Automatic Exchange Work Benche, it is characterised in that: including pedestal, the pedestal It is equipped with rail, the rail is equipped with one or two pallet changer ontology, the punishment of pallet changer ontology quadrangle Not She You idler wheel jacking system, the pallet changer ontology by idler wheel jacking system be arranged on rail, each friendship It changes jobs and is equipped with a set of ball screw driving device between playscript with stage directions body and pedestal, the ball screw driving device includes that setting exists Servo motor on pedestal, servo motor are connected with ball-screw, and ball-screw is equipped with driving nut, pallet changer ontology Fixing seat is installed close to one end bottom of servo motor, fixing seat is mounted on driving nut, fixing seat and driving nut edge Ball-screw length direction is mobile, and the opposite driving nut of fixing seat moves up and down, pallet changer ontology two sides respectively with It is equipped with guiding device between pedestal, taper positioning dress is respectively equipped between two middle side part of pallet changer ontology and pedestal It sets, clamping device is additionally provided between the pallet changer ontology and pedestal, the pallet changer ontology is moved along it direction Front and back is respectively equipped with position detecting device, and the rail that outer wall is equipped with cleaning rail before and after the pallet changer ontology clears up dress It sets, four sets is equipped at intervals in the middle part of the pedestal for limiting the collision block apparatus for automatically lifting of pallet changer ontology, the pedestal Four corners are respectively equipped with the edge collision block device of limitation pallet changer body position, are equipped with hydraulic power unit in the pedestal and fill It sets, the hydraulic pump station device is respectively that idler wheel jacking system, clamping device and collision block apparatus for automatically lifting provide hydraulic power, The taper positioning device includes that two conical dowel pins being set on the base and four tapers that basic two sides are arranged in are fixed Position pin, the conical dowel pin by the 6th bolt and elastic washer be fixed on pedestal or on the basis of, on pallet changer ontology Equipped with flange sleeve, flange sleeve is fixed on pallet changer ontology by the 7th bolt and elastic washer, be equipped in flange sleeve with The taper positioning sleeve of conical dowel pin cooperation positioning, is equipped with self-lubricating guide sleeve, institute between the taper positioning sleeve and flange sleeve It states and is equipped with spring in the middle part of taper positioning sleeve between outer wall and flange sleeve, the rail cleaning plant includes backing plate, is set inside backing plate There is a strip hole, is equipped with common cylinder spiral compression spring in strip hole, common cylinder spiral compression spring is equipped with pressing plate, and second The strip hole that screw passes through on pressing plate and backing plate is fixed on pallet changer ontology, and the hydraulic pump station device, idler wheel jack up Device, servo motor, clamping device, position detecting device and collision block apparatus for automatically lifting pass through conducting wire and PLC controller respectively Connection.
2. a kind of enclosed mechanical press ball screw type Automatic Exchange Work Benche according to claim 1, feature exist In: the pedestal includes basis, is equipped with pedestal on the basis of described, pedestal two sides are respectively equipped with rail brace I-steel, rail branch On the basis of support I-steel is mounted on by adjusting screw, outer-hexagonal bolt and elastic washer, on rail brace I-steel and pedestal Two rail are equipped at intervals with, several first bolts and elastic washer are passed through into rail brace I-steel or pedestal is fixed on rail back Side, on the basis of be equipped with base rack.
3. a kind of enclosed mechanical press ball screw type Automatic Exchange Work Benche according to claim 2, feature exist In: the servo motor is fixed on base rack by studs, nuts and washers, and servo motor passes through coupling sleeve and rolling Ballscrew connection, driving nut outer wall are equipped with the step groove that cooperates with fixing seat, ball-screw close to servo motor one End is equipped with first bearing, and the other end is equipped with second bearing, and first bearing is mounted in the first support base, the first support base spiral shell Bolt, washer are fixed on base rack, and second bearing is mounted in the second support base, and the second support base is pacified by bolt, washer On base side wall, ball-screw is equipped with the locking nut of limitation first bearing, and the first support base side wall is equipped with first Gland, the first gland are fixed on the first support base by bolt, nut, and the second support base side wall is equipped with the second gland, the Two glands are fixed on the second support base by bolt, nut, and the first support base is equipped with first close to switch, the second support base Second is equipped with to connect by conducting wire with PLC controller respectively close to switch and second close to switch close to switch, described first.
4. a kind of enclosed mechanical press ball screw type Automatic Exchange Work Benche according to claim 1, feature exist In: the idler wheel jacking system includes jacking up cylinder, jacks up cylinder by third bolt and elastic washer and is fixed at exchange work In playscript with stage directions body, cylinder lower end is jacked up by the 4th bolt and elastic washer and is connected with guide plate, guide plate passes through outer-hexagonal spiral shell with holes Bolt is connect with rolling wheel support, is equipped with disk spring in the middle part of guide plate between lower end and rolling wheel support, and rolling wheel support is equipped with idler wheel Axis, and fixed roller shaft by the 5th bolt and elastic washer, roller shaft is equipped with bearing, and bearing is equipped with idler wheel, idler wheel It is equipped with axle sleeve between rolling wheel support, platen is equipped between bearing and idler wheel, platen is fixed on idler wheel by the first screw, It is additionally provided with overweight sensor on the pallet changer ontology, jacks up cylinder upper end and is equipped with jack-up position sensor, the jack-up cylinder It is connect with hydraulic pump station device, the overweight sensor and jack-up position sensor are connect with PLC controller respectively by conducting wire.
5. a kind of enclosed mechanical press ball screw type Automatic Exchange Work Benche according to claim 1, feature exist In: the guiding device includes the guide rail that two sides of base is arranged in, and pallet changer ontology two sides are respectively equipped with mounting plate, Self-lubricating copper guide-rail plate is bolted on mounting plate, and self-lubricating copper guide-rail plate and guide rail cooperate to pallet changer ontology Movement is accurately oriented to, and the position detecting device includes nylon lid, and nylon lid is arranged by the 9th bolt and elastic washer On pallet changer ontology, position-detection sensor is installed in nylon lid, position-detection sensor is controlled by conducting wire and PLC Device connection processed.
6. a kind of enclosed mechanical press ball screw type Automatic Exchange Work Benche according to claim 2, feature exist In: the clamping device includes the clamping cylinder for being separately positioned on pallet changer ontology four corners, and the clamping cylinder lower end is equipped with Clamping head, the pedestal are equipped with four gripping blocks cooperated with clamping head, and basic both ends are respectively equipped with and clamping head cooperation Four gripping blocks, gripping block by the 8th bolt and elastic washer be fixed on pedestal or on the basis of, the gripping block be equipped with The convex groove of clamping head cooperation, the clamping cylinder are connect with hydraulic pump station device.
7. a kind of enclosed mechanical press ball screw type Automatic Exchange Work Benche according to claim 2, feature exist In: the collision block apparatus for automatically lifting includes that collision block jacks up cylinder, and collision block jacks up cylinder and is fixed on by the tenth bolt and elastic washer On pedestal, collision block jacks up cylinder upper end and is equipped with L-type collision block, and L-type collision block is fixed on collision block top by the 11st bolt and elastic washer Rise on cylinder, the collision block, which jacks up cylinder and is equipped with, jacks up sensor and free fall sensor, the pallet changer ontology be equipped with The collision block of collision block cooperation, collision block are fixed on pallet changer ontology by the 12nd bolt and elastic washer, and collision block jacks up cylinder It is connect with hydraulic pump station device, jacks up sensor and free fall sensor passes through conducting wire respectively and connect with PLC controller;The edge Collision block device includes edge L-type collision block, and the edge L-type collision block is fixed on base rack by the 13rd bolt and elastic washer On.
8. a kind of enclosed mechanical press ball screw type Automatic Exchange Work Benche according to claim 1, feature exist In: the hydraulic pump station device includes hydraulic power unit, and the hydraulic power unit is clamped with four jack-up cylinders, four respectively by pipeline Cylinder and four collision blocks jack up cylinder connection, and the idler wheel jacking system includes jacking up cylinder, jack up cylinder and pass through third bolt and elastic cushion Circle is fixed in pallet changer ontology, and the clamping device includes being separately positioned on pallet changer ontology four corners Clamping cylinder, the collision block apparatus for automatically lifting include that collision block jacks up cylinder, and it is solid by the tenth bolt and elastic washer that collision block jacks up cylinder It is scheduled on pedestal, the pipeline is equipped with control respectively and jacks up cylinder forward and reverse fuel feeding to cylinder, clamping cylinder and collision block is jacked up The pressure sensor and pressure switch of solenoid valve and control system operating pressure, the solenoid valve, pressure sensor and pressure are opened Close and connect with PLC controller by conducting wire respectively, the hydraulic power unit by pipeline be separately connected there are three lead fixed shunting Combiner valve, a fixed flow divider-combiner of master are four jack-up oil supply cylinders in idler wheel jacking system, fixed point an of master Flowing combiner valve is four clamping oil supply cylinders in clamping device, and a fixed flow divider-combiner of master is collision block apparatus for automatically lifting In four collision blocks jack up oil supply cylinder, each fixed flow divider-combiner of master is separately connected there are two fixed flow divider-combiner, Each fixed flow divider-combiner separates two oil circuits.
CN201810180584.3A 2018-03-05 2018-03-05 A kind of enclosed mechanical press ball screw type Automatic Exchange Work Benche Active CN108405780B (en)

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JPS63196341A (en) * 1987-02-05 1988-08-15 Toshiba Mach Co Ltd Feeding guide mechanism
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CN204221755U (en) * 2014-10-27 2015-03-25 温玉桂 Ease of Use platform
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CN205764951U (en) * 2016-07-14 2016-12-07 乔建军 A kind of Screw of Worm Gear workbench
CN106312594A (en) * 2016-09-21 2017-01-11 合肥皓东精密工业有限公司 Double-station positioning and conveying device for drilling machine
CN206839604U (en) * 2017-03-24 2018-01-05 江苏正合重工有限公司 A kind of cutting machine with double change-table

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3183782A (en) * 1960-06-27 1965-05-18 Mills John Aifred Machines having a movable work or tool supporting table
JPS63196341A (en) * 1987-02-05 1988-08-15 Toshiba Mach Co Ltd Feeding guide mechanism
CN101837421A (en) * 2009-03-18 2010-09-22 吴远东 Novel multi-station change table mechanism of metal forming machinery
CN202240479U (en) * 2010-12-07 2012-05-30 景绮 Workbench automatic switching device
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