The Computer Judges Trigger Bar head saw automatic governor motion that rises
Technical field:
The utility model relates to the Computer Judges Trigger Bar technical field, relates in particular to the Computer Judges Trigger Bar head saw automatic governor motion that rises.
Background technology:
Computer Judges Trigger Bar relies on the main saw plate that rises to cut sheet material.When existing Computer Judges Trigger Bar cut sheet material, no matter how many sheet metal thicknesses is, head saw just began to cut in the time of all will rising to the extreme higher position.Like this, when sheet metal thickness was less than normal, it is too much that main saw plate exposes the part of sheet material.The defective of this situation is: one, and the sheet material saw kerf is not bright and clean; Its two, noise is higher when cutting; Its three, operating efficiency is lower.
The utility model content:
The purpose of this utility model is to provide the Computer Judges Trigger Bar head saw automatic governor motion that rises at the deficiencies in the prior art, and it can be according to the thickness of sheet material to be cut, and detects automatically to determine and make main saw plate rise to reasonable altitudes automatically.
For achieving the above object, the utility model is achieved through the following technical solutions:
The Computer Judges Trigger Bar head saw automatic governor motion that rises, comprise head saw elevating bracket, saw carriage body, binder beam and be fixed in the main saw plate of head saw elevating bracket, described head saw elevating bracket is connected by the linear slide block device with described saw carriage body, is provided with locking device between described head saw elevating bracket and the described saw carriage body;
Further comprise the push rod device that the described head saw elevating bracket of driving moves up and down and drive the drive unit that described push rod device moves up and down, described push rod device is connected with described head saw elevating bracket;
Described binder beam is provided with presses the beam magnetic patch, is provided with first displacement transducer over against described pressure beam magnetic patch;
Described head saw elevating bracket is provided with comb plate, comb joint, is provided with second displacement transducer over against described comb plate, comb joint;
Further comprise control device, described first displacement transducer, described second displacement transducer and described drive unit are electrically connected with described control device.
Described push rod device comprises push rod, push rod housing, ball screw and ball nut, described ball nut and described ball screw are by being threaded, one end of described push rod inserts described push rod housing, and be slidingly matched with described push rod housing, the end that described push rod inserts described push rod housing is connected with described ball nut; Described drive unit comprises the motor and the motor fixing seat of strap brake device, and described motor and described push rod housing all are arranged at described motor fixing seat, and the output shaft of described motor is connected by transmission mechanism with described ball screw.
Described transmission mechanism comprises electrical machine belt pulley, screw mandrel belt wheel and belt, and described electrical machine belt pulley is arranged at the output shaft of described motor, and described screw mandrel belt wheel is arranged at described ball screw, and described electrical machine belt pulley is connected by belt with described screw mandrel belt wheel.
The free end of described push rod is provided with oscillating bearing, and described oscillating bearing is connected with described head saw elevating bracket.
Further comprise the compression spring, the free end of described push rod is provided with limited step, and described compression spring housing is connected to described push rod, and the two ends of described compression spring contact with described limited step with the terminal surface of described push rod housing respectively.
Described linear slide block device comprises linear slide block and linear slide rail, and described linear slide block is arranged at described head saw elevating bracket, and described linear slide rail is arranged at described saw carriage body, and described linear slide block and described linear slide rail are slidingly matched.
Described linear slide block is provided with the chute with described linear slide rail coupling.
Described locking device comprises cylinder and guide rail, and described cylinder is arranged at described saw carriage body, and described guide rail is arranged at described head saw elevating bracket, and the external part of the piston rod of described cylinder is provided with grip block, and described grip block is provided with the V-shaped groove of described guide rail.
The beneficial effects of the utility model: the utility model detects the thickness of sheet material to be cut by first displacement sensing, promoting the head saw elevating bracket by push rod device and drive unit again rises, and detect the distance that the head saw elevating bracket rises by second displacement transducer, during distance 〉=the sheet metal thickness that rises when the head saw elevating bracket+head saw rising surplus, drive unit shuts down, simultaneously, locking device locking head saw elevating bracket; Therefore, the utility model can be according to the thickness of sheet material to be cut, and detects automatically to determine and make main saw plate rise to reasonable altitudes automatically, and it is excessive and influence the saw kerf surface quality to avoid main saw plate to expose sheet material, and can reduce noise, has improved operating efficiency simultaneously.
Description of drawings:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of push rod device of the present utility model;
Fig. 3 is the structural representation of the locking device releasing orientation of Fig. 1;
Fig. 4 is the structural representation of the locking device locking state of Fig. 1.
In Fig. 1 to Fig. 4:
1---the head saw elevating bracket
2---the binder beam
3---main saw plate
4---the linear slide block device
41---linear slide block
42---linear slide rail
5---locking device
51---cylinder
52---guide rail
6---push rod device
61---push rod
611---limited step
62---push rod housing
63---ball screw
64---ball nut
7---drive unit
71---motor
72---motor fixing seat
8---press the beam magnetic patch
9---first displacement transducer
10---comb plate, comb joint
11---second displacement transducer
12---transmission mechanism
121---electrical machine belt pulley
122---the screw mandrel belt wheel
123---belt
13---oscillating bearing
14---grip block
141---groove
15---the compression spring
16---sheet material
The specific embodiment:
Below in conjunction with accompanying drawing the utility model is described further:
See Fig. 1, the Computer Judges Trigger Bar head saw automatic governor motion that rises, comprise head saw elevating bracket 1, saw carriage body (not drawing among the figure), binder beam 2 and be fixed in the main saw plate 3 of head saw elevating bracket 1, head saw elevating bracket 1 is connected by linear slide block device 4 with the saw carriage body, is provided with locking device 5 between head saw elevating bracket 1 and the saw carriage body; Further comprise the push rod device 6 that the described head saw elevating bracket 1 of driving moves up and down and drive the drive unit 7 that described push rod device 6 moves up and down, push rod device 6 is connected with head saw elevating bracket 1; Binder beam 2 is provided with presses beam magnetic patch 8, over against pressing beam magnetic patch 8 to be provided with first displacement transducer 9; Head saw elevating bracket 1 is provided with comb plate, comb joint 10, is provided with second displacement transducer 11 over against comb plate, comb joint 10; Further comprise control device (not drawing among the figure), described first displacement transducer 9, described second displacement transducer 11 and described drive unit 7 are electrically connected with described control device.
Push rod device 6 comprises push rod 61, push rod housing 62, ball screw 63 and ball nut 64, ball nut 64 and ball screw 63 are by being threaded, one end of push rod 61 inserts push rod housing 62, and be slidingly matched with push rod housing 62, the end that push rod 61 inserts push rod housings 62 is connected with ball nut 64; Drive unit 7 comprises the motor 71 and the motor fixing seat 72 of strap brake device, and motor 71 and push rod housing 62 all are arranged at motor fixing seat 72, and the output shaft of motor 71 is connected by transmission mechanism 12 with ball screw 63.
Transmission mechanism 12 comprises electrical machine belt pulley 121, screw mandrel belt wheel 122 and belt 123, and electrical machine belt pulley 121 is arranged at the output shaft of motor 71, and screw mandrel belt wheel 122 is arranged at ball screw 63, and electrical machine belt pulley 121 is connected by belt 123 with screw mandrel belt wheel 122.Certainly, transmission mechanism 12 of the present utility model also can adopt other the kind of drive, for example gear drive or chain transmission etc.
The free end of push rod 61 is provided with oscillating bearing 13, and oscillating bearing 13 is connected with head saw elevating bracket 1.
Further comprise compression spring 15, the free end of push rod 61 is provided with limited step 611, and compression spring 15 is socketed on push rod 61, conflicts with the terminal surface and the limited step 611 of push rod housing 62 respectively in the two ends of compression spring 15.The 15 main effects of compression spring are thread pitches of eliminating between ball screw 63 and the ball nut 64.
Linear slide block device 4 comprises linear slide block 41 and linear slide rail 42, linear slide block 41 is arranged at head saw elevating bracket 1, linear slide rail 42 is arranged at saw dress body, linear slide block 41 is provided with the chute with linear slide rail 42 couplings, linear slide block 41 and linear slide rail 42 are slidingly matched, adopt linear slide block device 4 can make head saw elevating bracket 1 under rise or the decline process in move balance and smooth and easy more.
Locking device 5 comprises cylinder 51 and guide rail 52, and cylinder 51 is arranged at the saw carriage body, and guide rail 52 is arranged at head saw elevating bracket 1, and the external part of the piston rod of cylinder 51 is provided with grip block 14, and grip block 14 is provided with the groove 141 of guide rail 52 couplings.See Fig. 3, this is the state that locking device 5 unclamps, and the piston rod of cylinder 51 shrinks, and grip block 14 separates with guide rail 52, and at this moment, head saw elevating bracket 1 can rise or descend; See Fig. 4, this is the state of locking device 5 lockings, and the piston rod of cylinder 51 stretches out, and grip block 14 combines with guide rail 52, and at this moment, head saw elevating bracket 1 maintains static.
Operation principle:
Binder beam 2 descends and compresses sheet material 16, the first displacement transducers 9 and detect the position that the pressure beam magnetic patch 8 that descends with binder beam 2 moves automatically, by automatic computing, has determined that sheet metal thickness to be cut is δ.
At this moment, cylinder 51 is opened, grip block 14 getaways 52, and simultaneously, motor 71 runnings by electrical machine belt pulley 121, belt 123, screw mandrel belt wheel 122, ball screw 63, ball nut 64, drive push rod 61 straight lines and rise.Because push rod 61 links together with head saw elevating bracket 1, so head saw elevating bracket 1 is being with main saw plate 3 to rise, be fixed on second displacement transducer 11 on the saw carriage body and detect the distance that the comb plate, comb joint 10 that is fixed on the head saw elevating bracket 1 rises automatically, during distance 〉=sheet metal thickness the δ that rises when comb plate, comb joint 10+head saw rising surplus, the motor 71 of strap brake device shuts down automatically, and then head saw elevating bracket 1 stops to rise; Simultaneously, the cylinder 51 that is fixed on the saw carriage body is closed, and grip block 14 is closed and locked with guide rail 52.Like this, according to the thickness of sheet material to be cut 16, the utility model is regulated automatically by automatic detection and has been finished main saw plate 3 lifting height programs, has reached main saw plate 3 self-regulating purposes.
Should be noted that at last; above embodiment is only in order to the explanation the technical solution of the utility model but not to the restriction of the utility model protection domain; although the utility model has been done detailed description with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement the technical solution of the utility model, and not break away from the essence and the scope of technical solutions of the utility model.