CN202951919U - Numerical control drive device of plate shearing machine - Google Patents
Numerical control drive device of plate shearing machine Download PDFInfo
- Publication number
- CN202951919U CN202951919U CN 201220367745 CN201220367745U CN202951919U CN 202951919 U CN202951919 U CN 202951919U CN 201220367745 CN201220367745 CN 201220367745 CN 201220367745 U CN201220367745 U CN 201220367745U CN 202951919 U CN202951919 U CN 202951919U
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- shearing machine
- plate shearing
- numerical control
- motor
- toggle link
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Abstract
The utility model discloses a numerical control drive device of a plate shearing machine. The numerical control drive device of the plate shearing machine comprises a numerical control system, a motor, a transmission mechanism which is connected with the motor, a force-amplifying mechanism connected with the transmission mechanism, a sliding block and a moving blade shaft. The sliding block and the moving blade shaft are connected with the force-amplifying mechanism. The numerical control drive device of the plate shearing machine is characterized in that the transmission mechanism comprises a crank-link mechanism and the force-amplifying mechanism comprises a toggle lever mechanism. The sliding block is arranged in a sliding groove. The sliding block is fixedly arranged on the moving blade shaft. One end of the toggle lever mechanism is connected with a machine body and the other end of the toggle lever mechanism is connected with the sliding block. A crank of the crank-link mechanism is connected with rotors of the motor. A connecting rod of the crank-link mechanism is connected with the middle portion of the toggle lever mechanism. Shear force and automation control level of the mechanical plate shearing machine can be improved and a guide rail of the moving blade shaft of the mechanical plate shearing machine is omitted at the same time, the structure is simplified, shearing width and precision of the plate shearing machine can be improved and work efficiency is improved.
Description
Technical field
The utility model relates to a kind of plate shearing machine numerical control drive unit, and relating in particular to driving mechanism is crank-connecting rod-toggle link plate shearing machine numerical control drive unit.
Background technology
Plate shearing machine is according to dimensional requirement, sheet material to be cut off the shearing equipment of processing, is that the most popular material of each industrial department is cut off equipment, is mainly used in cutting out the linear edge of various sizes sheet metal, in the manufacture field, has extensive use.CNC shearing machine refers to by the digital command of numeral, word and symbol composition commands driving mechanism to realize a plate shearing machine or many technology that the plate shearing machine device action is controlled.
At present, the type of drive of plate shearing machine main motion, mainly contain hydraulic pressure, pneumatic and mechanical three kinds.Wherein, the technical problem underlying that hydraulic plate shears exists is: 1, fluid is revealed and is caused environmental pollution; 2, transmission efficiency is low, causes larger energy waste; 3, the Hydraulic Elements such as pump, valve price is more expensive, safeguards more difficult; 4, the large hydraulic plate shearing machine needs hydraulic pump to have larger flow, also needs fuel tank to have larger volume, causes systems bulky simultaneously.The technical problem underlying that airoperated clipper exists is: 1, system pressure is low, occasion that can only be less for shearing force; 2, gas has compressibility, can't as hydraulic plate shears, adopt synchronization loop, thereby occasion that can not be larger for shearing width.The technical problem underlying that the mechanical plate shearing machine of tradition exists is: 1, automatic control level is low; 2, must adopt guide rail to be led to the movable knife rack rectilinear motion, for large-scale plate shearing machine, certainly will cause the excessive complex structure manufacture of guide rail width, increase manufacture difficulty, improve manufacturing cost, and can't guarantee shear precision.
Summary of the invention
The purpose of this utility model is to provide crank-connecting rod-toggle link plate shearing machine numerical control drive unit, with shearing force, the automatic control level that improves mechanical plate shearing machine, omit the motor-driven knife rest guiding rail of mechanical shear simultaneously, simplified structure, improve plate shearing machine shearing width and precision, improve its operating efficiency.
For achieving the above object, the technical solution adopted in the utility model is: crank-connecting rod-toggle link plate shearing machine numerical control drive unit, comprise the transmission mechanism of digital control system, motor, the described motor of connection, the force-increasing mechanism that connects described transmission mechanism, the top shoe that connects described force-increasing mechanism and movable knife rack, described transmission mechanism comprises that toggle, described force-increasing mechanism comprise elbow-bar mechanism, described slide block is arranged in chute, and described slide block is fixedly installed on described movable knife rack; Described elbow-bar mechanism one end connects the fuselage other end and connects described slide block; The crank of described toggle connects the rotor of described motor, and the connecting rod of described toggle connects the middle part of described elbow-bar mechanism.
Preferably, described force-increasing mechanism is that elbow-bar mechanism comprises the first toggle link, the second toggle link, and described the first toggle link one end connects the fuselage other end and connects described the second toggle link, and the described second toggle link other end connects described slide block.
Preferably, described toggle comprises described crank, described connecting rod, and the rotor other end that described crank one end connects described motor connects described connecting rod, and the described connecting rod other end connects described the first toggle link, the second toggle link junction.
Preferably, described motor and described transmission mechanism, force-increasing mechanism are symmetrically arranged with two groups, and described digital control system is controlled the synchronous rotation of described motor.
In such scheme, described digital control system is the Dual-spindle linked digital control system, can synchronously to two motors, send electronic signal, described motor is servomotor, utilizes servomotor synchronously to drive the two groups of transmission mechanisms in left and right, the pressure angle that can guarantee like this left and right two toggle links is identical, just can guarantee synchronism, wherein the rotating speed of motor is not permanent rotating speed, and in the time of in entering impulse stroke, its speed is wanted corresponding reducing, when entering backhaul, with larger acceleration backhaul.
The utility model operation principle is: at first, digital control system is sent instruction, and two servomotor synchronized rotations simultaneously, driving crank and connecting rod movement, pressure angle
Diminish, carry out power for the first time and amplify.Simultaneously, the first toggle link and the second toggle link are subject to the thrust of connecting rod, pressure angle
Also diminish, now carry out power amplification for the second time, after transmission mechanism carries out twice power amplification, by slide block, drive upper movable knife rack to the down cut workpiece.After shearing finished piece(s), digital control system is sent instruction to motor, drives toggle and reverses simultaneously, pulls the elbow-bar mechanism return, drives upper movable knife rack by slide block simultaneously and resets, and completes a course of work.
Because technique scheme is used, the utility model compared with prior art has following advantages:
1, because the utility model has been used digital control system, servomotor and crank-connecting rod-toggle link force-increasing mechanism, can not only make accurately transmission mechanism synchronous, and power output also amplifies manyfold, can complete preferably shearing work, high efficiency.
2, distribute because driver of the present utility model forms axial symmetry, make movable knife rack stressed evenly, shear precision is high.
3, the 2-axis linkage crank synchronous method adopted due to the utility model, simplify the structure, and guaranteed that the movable knife rack left and right drives synchronous simultaneously.Not only can omit traditional movable cutter of plate shearing machine frame guiding rail, and can greatly improve shearing width and precision, improve its operating efficiency.
The accompanying drawing explanation
The schematic diagram that accompanying drawing 1 is the utility model embodiment.
In above accompanying drawing: 1, digital control system; 2, motor; 3, crank; 4, connecting rod; 5, the first toggle link; 6, the second toggle link; 7, slide block; 8, chute; 9, movable knife rack.
The specific embodiment
Below in conjunction with embodiment shown in the drawings, the utility model is further described:
Embodiment mono-: shown in accompanying drawing 1.
Crank-connecting rod-toggle link plate shearing machine numerical control drive unit, it comprises digital control system 1, motor 2, connects transmission mechanism, force-increasing mechanism first toggle link 5 of connection for transmission mechanism, second toggle link 6 of motor 2, the slide block 7 that connects force-increasing mechanism, slide block 7 is arranged in chute 8, the movable knife rack 9 of connection sliding block, transmission mechanism comprises toggle, force-increasing mechanism is that elbow-bar mechanism comprises, the first toggle link 5, the second toggle link 6, the first toggle link 5 one ends connect the fuselage other end and connect the second toggle link 6, the second toggle link 6 other end connection sliding blocks 7.
Toggle comprises crank 3, connecting rod 4, and the rotor other end that crank one end connects motor 2 connects connecting rod 4, and connecting rod 4 other ends connect the first toggle link 5, the second toggle link 6 junctions.
Motor 2 and transmission mechanism are symmetrically arranged with two groups, and digital control system 1 is controlled the synchronous rotation of motor 2; Motor 2 is servomotor; Digital control system 1 is the Dual-spindle linked digital control system.
Digital control system 1 is synchronously sent electronic signal to two servomotors, and servomotor synchronously drives the two groups of transmission mechanisms in left and right, can guarantee like this pressure angle of left and right two toggle links
Identical, work as pressure angle
Diminish, carry out power for the first time and amplify, simultaneously, the first toggle link 5 and the second toggle link 6 are subject to the thrust of connecting rod 4, pressure angle
Also diminish, now carry out power amplification for the second time, after transmission mechanism carries out twice power amplification, by slide block 7, drive movable knife racks 9 to the down cut workpiece.
The desirable amplification coefficient of the power of this transmission mechanism is:
Actual reinforcement coefficient is:
In formula:
,
The equivalent friction angle of-hinges, computing formula is
(wherein
For the hinge axis radius,
For the centre-to-centre spacing in two elbow chain holes on toggle link,
Coefficient of friction for the toggle link hinges).
Claims (6)
1. a plate shearing machine numerical control drive unit, comprise the transmission mechanism of digital control system, motor, the described motor of connection, the force-increasing mechanism that connects described transmission mechanism, the top shoe that connects described force-increasing mechanism and movable knife rack, it is characterized in that: described transmission mechanism comprises that toggle, described force-increasing mechanism comprise elbow-bar mechanism, described slide block is arranged in chute, and described slide block is fixedly installed on described movable knife rack; Described elbow-bar mechanism one end connects the fuselage other end and connects described slide block; The crank of described toggle connects the rotor of described motor, and the connecting rod of described toggle connects the middle part of described elbow-bar mechanism.
2. plate shearing machine numerical control drive unit according to claim 1, it is characterized in that: described elbow-bar mechanism comprises the first toggle link, the second toggle link, described the first toggle link one end connects the fuselage other end and connects described the second toggle link, and the described second toggle link other end connects described slide block.
3. plate shearing machine numerical control drive unit according to claim 1, it is characterized in that: described toggle comprises described crank, described connecting rod, the rotor other end that described crank one end connects described motor connects described connecting rod, and the described connecting rod other end connects described the first toggle link, the second toggle link junction.
4. plate shearing machine numerical control drive unit according to claim 1, it is characterized in that: described motor and described transmission mechanism are symmetrically arranged with two groups, and described digital control system is controlled the synchronous rotation of described motor.
5. plate shearing machine numerical control drive unit according to claim 1, it is characterized in that: described motor is servomotor.
6. plate shearing machine numerical control drive unit according to claim 1, it is characterized in that: described digital control system is the Dual-spindle linked digital control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220367745 CN202951919U (en) | 2012-07-27 | 2012-07-27 | Numerical control drive device of plate shearing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220367745 CN202951919U (en) | 2012-07-27 | 2012-07-27 | Numerical control drive device of plate shearing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202951919U true CN202951919U (en) | 2013-05-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220367745 Expired - Fee Related CN202951919U (en) | 2012-07-27 | 2012-07-27 | Numerical control drive device of plate shearing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202951919U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102744452A (en) * | 2012-07-27 | 2012-10-24 | 苏州大学 | Numerical control driving device of crank-connecting rod-toggle rod plate shearing machine |
| CN104162999A (en) * | 2014-05-16 | 2014-11-26 | 苏州工业职业技术学院 | Double-station numerical control punching machine |
-
2012
- 2012-07-27 CN CN 201220367745 patent/CN202951919U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102744452A (en) * | 2012-07-27 | 2012-10-24 | 苏州大学 | Numerical control driving device of crank-connecting rod-toggle rod plate shearing machine |
| CN102744452B (en) * | 2012-07-27 | 2015-06-24 | 苏州大学 | Numerical control driving device of crank-connecting rod-toggle rod plate shearing machine |
| CN104162999A (en) * | 2014-05-16 | 2014-11-26 | 苏州工业职业技术学院 | Double-station numerical control punching machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130529 Termination date: 20160727 |
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| CF01 | Termination of patent right due to non-payment of annual fee |