CN103538281A - Length adjusting device for link of press machine - Google Patents
Length adjusting device for link of press machine Download PDFInfo
- Publication number
- CN103538281A CN103538281A CN201310502904.XA CN201310502904A CN103538281A CN 103538281 A CN103538281 A CN 103538281A CN 201310502904 A CN201310502904 A CN 201310502904A CN 103538281 A CN103538281 A CN 103538281A
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- connecting rod
- link
- wedge
- sowblock
- adjusting device
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Abstract
The invention discloses a length adjusting device for a link of a press machine. The length adjusting device is characterized by comprising a connecting rack, a wedge, an adjusting screw, a motor and a computer control system. The lower end of the link of the press machine is fixedly connected inside the connecting rack. A die holder used for fixing an upper die is disposed inside the connecting rack and in vertical sliding fit with the connecting rack. A wedged cavity forms between the lower end of the link and the upper end of the die holder. The wedge is disposed inside the wedged cavity and respectively in sliding fit with the lower end of the link and the upper end of the die holder. The wedge is screwed to the adjusting screw. The motor is fixedly mounted on the connecting rack and connected with the adjusting screw. A lock spring is vertically disposed between the die holder and the connecting rack. A displacement sensor is fixed at the bottom of the die holder. The length adjusting device has the advantages that online control can be performed in real time with the adjusting device, machining precision of a machined work piece can be improved greatly, the requirements of high precision stamping parts for machining precision can be met, and qualification rate of products is high.
Description
Technical field
The present invention relates to the stamping processing of forcing press, relate in particular to a kind of adjusting device of press connecting rod length.
Background technology
Forcing press is when punch process is shaped, normally first work piece is arranged in diel with fixture, the patrix of diel is contained on slide block, counterdie is contained on backing plate, therefore, when work piece is fixed between upper and lower mould, just can carry out stamping-out or other punch process, and the relative position that diel is installed after fixing is constant.And because forcing press is when working, particularly during connecting rod long working, rod surface temperature can change conventionally, generation is expanded with heat and contract with cold, cause the variation of length of connecting rod, therefore, also in real time, there is corresponding microvariations in the height of packing compact of forcing press, although substantially all adopt worm gear structure to carry out the length of regulating connecting rod at present, with this, regulate the height of packing compact of forcing press, but this structure is being carried out after once mounting debugging length of connecting rod, length of connecting rod is just fixed constant, the height of packing compact that is forcing press remains unchanged, it cannot carry out real-time adjusting to length of connecting rod, but after forcing press work a period of time, first detect height of packing compact, regulating connecting rod length again, this is for requiring high-precision stamping parts, forcing press is in the course of the work because the expand with heat and contract with cold variation of the height of packing compact that causes of connecting rod will cause producing higher percent defective, in addition, because the stamping press in forcing press stamping-out process is larger, the lifting surface area of the worm and gear gear teeth is little, and the flank of tooth is had to larger destruction, causes worm and gear just easily damaged and cannot regulate in use for some time.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind ofly can carry out real-Time Compensation fine setting to the height of packing compact of forcing press, to guarantee to require the machining accuracy of high accuracy stamping parts, improve the adjusting device of the press connecting rod length of product percent of pass.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of adjusting device of press connecting rod length, comprise link, wedge, adjusting screw(rod), motor and computer control system, the bottom of the connecting rod in forcing press is fixedly connected in described link, for the fixing sowblock of patrix, be arranged on described link interior and slide up and down and coordinate with described link, between the upper surface of the lower surface of described connecting rod and described sowblock, be provided with wedge shape space, described wedge be positioned at described wedge shape space and respectively with the lower surface of described connecting rod, the upper surface horizontal slip of described sowblock coordinates, described wedge is screwed onto on described adjusting screw(rod), described motor is fixedly mounted on described link, described motor and described adjusting screw(rod) are connected, between described sowblock and described link, at vertical direction, be provided with locking spring, the bottom of described sowblock is fixedly installed displacement transducer, described displacement transducer and described motor are electrically connected to described computer control system respectively.
Described computer control system comprises A/D converter, computer control and D/A converter, described displacement transducer is electrically connected to described A/D converter, described A/D converter and described D/A converter are electrically connected to described computer control respectively, and described D/A converter is electrically connected to described motor.
The lower surface of described connecting rod is horizontal plane, the upper surface of described sowblock is the downward angled end-face that is tilted to the right, between the angled end-face of the horizontal plane of described connecting rod lower end and described sowblock upper end, form described wedge shape space, the shape of the shape of described wedge and described wedge shape space matches.
In the horizontal plane of described connecting rod lower end, be provided with serrated slot, the upper surface of described wedge has been wholely set sawtooth slide block, described sawtooth slide block and described serrated slot are slidably matched, in the angled end-face of described sowblock upper end, be provided with dovetail groove, the lower surface of described wedge has been wholely set dovetail slide block, and described dovetail slide block and described dovetail groove are slidably matched.
Described motor is connected with described adjusting screw(rod) by shaft coupling.
On described link, be fixedly installed motor mounting rack, described motor is fixedly connected on described motor mounting rack.
Compared with prior art, advantage of the present invention is the length microvariations that the detection in real time of this adjusting device and control link and sowblock cause owing to expanding with heat and contract with cold, it sends signal into computer control system by being fixedly mounted on the displacement transducer of sowblock bottom, and by computer control system, control the rotation of motor, by driven by motor adjusting screw(rod), rotated, wedge is produced to be moved horizontally, finally by moving horizontally of wedge, change into the vertical movement of sowblock, thereby realize the compensation fine setting to the length variations of the connecting rod causing because expanding with heat and contract with cold and sowblock, realize the fine setting to height of packing compact, and because the frequency response time of displacement transducer is short more than the time interval between twice punching press of forcing press, therefore can carry out in real time On-line Control, greatly improved the machining accuracy of work piece, can meet the requirement on machining accuracy of high accuracy stamping parts, its product percent of pass is high, in addition, because the lifting surface area of wedge is larger, can resist larger stamping press, therefore, this adjusting device is difficult for damaged.
Accompanying drawing explanation
Fig. 1 is cutaway view of the present invention;
Fig. 2 be in Fig. 1 A-A to partial sectional view.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the present invention.
As shown in the figure, a kind of adjusting device of press connecting rod length, comprise link 1, wedge 2, adjusting screw(rod) 3, motor 4 and computer control system, the bottom of the connecting rod 5 in forcing press is bolted to connection in link 1, being used for the fixedly sowblock 6 of patrix is arranged in link 1 and slides up and down and coordinate with link 1, the lower surface of connecting rod 5 is horizontal plane 51, the upper surface of sowblock 6 is the downward angled end-face 61 that is tilted to the right, between the angled end-face 61 of the horizontal plane 51 of connecting rod 5 lower ends and sowblock 6 upper ends, form wedge shape space 11, the shape of the shape of wedge 2 and wedge shape space 11 matches and is positioned at wedge shape space 11, in the horizontal plane 51 of connecting rod 5 lower ends, be provided with serrated slot (not marking in figure), the upper surface of wedge 2 has been wholely set sawtooth slide block 21, sawtooth slide block 21 coordinates with serrated slot horizontal slip, in the angled end-face 61 of sowblock 6 upper ends, be provided with dovetail groove (not marking in figure), the lower surface of wedge 2 has been wholely set dovetail slide block 22, dovetail slide block 22 coordinates with dovetail groove horizontal slip, adjusting screw(rod) 3 stretch in link 1 and with wedge 2 bolts, on link 1, be fixedly installed motor mounting rack 12, motor 4 is fixedly connected on motor mounting rack 12, motor 4 is connected with adjusting screw(rod) 3 by shaft coupling 41, between sowblock 6 and link 1, at vertical direction, be provided with locking spring 7, the bottom of sowblock 6 is fixedly installed displacement transducer 62, computer control system comprises A/D converter 8, computer control 9 and D/A converter 10, displacement transducer 62 is electrically connected to A/D converter 8, A/D converter 8 and D/A converter 10 are electrically connected to computer control 9 respectively, D/A converter 10 is electrically connected to motor 4.
In above-described embodiment, the course of work of this adjusting device is: before forcing press work, first regulate the length of connecting rod 5, displacement transducer 62 detects the initial position of sowblock 6, and now motor 4 does not act on, after forcing press is started working, connecting rod 5 and sowblock 6 are because the micro stretching that is heated is long, the initial position that displacement transducer 62 detects sowblock 6 changes, by A/D converter 8, convert the analog signal of change in displacement to data signal input computer control 9, computer control 9 is through computational analysis, by D/A converter 10, convert displacement data signal to analog signal, by Displacement Feedback control program, control the motor 4 reversion number of turns, it is the rotation number of turns of adjusting screw(rod) 3, drive wedge 2 to move to right in the horizontal direction, sowblock 6 under the effect of locking spring 7 thereupon in the vertical direction move, thereby reach the compensation fine adjustment effect to connecting rod 5 and sowblock 6 elongations, the adjusting of realization to height of packing compact, and when connecting rod 5 and sowblock 6 micros in short-term, the action direction of motor 4, adjusting screw(rod) 3, wedge 2, sowblock 6 and connecting rod 5 action direction of micro stretching while growing that be heated is contrary.Because computer control system is to be electrically connected to, the direct action time is much smaller than the time interval between twice punching press, therefore, before upper once punching press, displacement transducer 62 detects again sowblock 6 at initial position, if temperature continues to change, whole adjusting device works on,, On-line Control real-time to height of packing compact have so just been guaranteed, again and again circulation.
Claims (6)
1. the adjusting device of a press connecting rod length, it is characterized in that comprising link, wedge, adjusting screw(rod), motor and computer control system, the bottom of the connecting rod in forcing press is fixedly connected in described link, for the fixing sowblock of patrix, be arranged on described link interior and slide up and down and coordinate with described link, between the upper surface of the lower surface of described connecting rod and described sowblock, be provided with wedge shape space, described wedge be positioned at described wedge shape space and respectively with the lower surface of described connecting rod, the upper surface horizontal slip of described sowblock coordinates, described wedge is screwed onto on described adjusting screw(rod), described motor is fixedly mounted on described link, described motor and described adjusting screw(rod) are connected, between described sowblock and described link, at vertical direction, be provided with locking spring, the bottom of described sowblock is fixedly installed displacement transducer, described displacement transducer and described motor are electrically connected to described computer control system respectively.
2. the adjusting device of a kind of press connecting rod length as claimed in claim 1, it is characterized in that described computer control system comprises A/D converter, computer control and D/A converter, described displacement transducer is electrically connected to described A/D converter, described A/D converter and described D/A converter are electrically connected to described computer control respectively, and described D/A converter is electrically connected to described motor.
3. the adjusting device of a kind of press connecting rod length as claimed in claim 1, the lower surface that it is characterized in that described connecting rod is horizontal plane, the upper surface of described sowblock is the downward angled end-face that is tilted to the right, between the angled end-face of the horizontal plane of described connecting rod lower end and described sowblock upper end, form described wedge shape space, the shape of the shape of described wedge and described wedge shape space matches.
4. the adjusting device of a kind of press connecting rod length as claimed in claim 3, in the horizontal plane of the connecting rod lower end described in it is characterized in that, be provided with serrated slot, the upper surface of described wedge has been wholely set sawtooth slide block, described sawtooth slide block and described serrated slot are slidably matched, in the angled end-face of described sowblock upper end, be provided with dovetail groove, the lower surface of described wedge has been wholely set dovetail slide block, and described dovetail slide block and described dovetail groove are slidably matched.
5. the adjusting device of a kind of press connecting rod length as claimed in claim 1, is characterized in that described motor is connected with described adjusting screw(rod) by shaft coupling.
6. the adjusting device of a kind of press connecting rod length as claimed in claim 1, is characterized in that being fixedly installed motor mounting rack on described link, and described motor is fixedly connected on described motor mounting rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310502904.XA CN103538281B (en) | 2013-10-23 | 2013-10-23 | A kind of adjusting device of press connecting rod length |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310502904.XA CN103538281B (en) | 2013-10-23 | 2013-10-23 | A kind of adjusting device of press connecting rod length |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103538281A true CN103538281A (en) | 2014-01-29 |
| CN103538281B CN103538281B (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310502904.XA Expired - Fee Related CN103538281B (en) | 2013-10-23 | 2013-10-23 | A kind of adjusting device of press connecting rod length |
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| CN (1) | CN103538281B (en) |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104942159A (en) * | 2015-07-29 | 2015-09-30 | 王宏斌 | Stamping die capable of cooling in time |
| CN104942158A (en) * | 2015-07-29 | 2015-09-30 | 王宏斌 | Stamping mould |
| CN105013745A (en) * | 2015-08-14 | 2015-11-04 | 方倩 | Cleaning maintenance device for outdoor steel structural component internally provided with LED lamp |
| CN105080881A (en) * | 2015-08-14 | 2015-11-25 | 方倩 | Noise-reducing cleaning and maintaining device provided with pressurizing device and used for outdoor steel structural component |
| CN105080885A (en) * | 2015-08-14 | 2015-11-25 | 厦门市优家品日用品有限公司 | Cleaning and maintaining device with left and right limiting sensors and used for outdoor steel structural member |
| CN105107774A (en) * | 2015-08-14 | 2015-12-02 | 宁波市江东逐新贸易有限公司 | Cleaning maintenance device of outdoor steel structural part with solar power generation and power supply |
| CN106715042A (en) * | 2014-06-24 | 2017-05-24 | 安东帕有限责任公司 | Positioning unit |
| CN106808234A (en) * | 2015-11-30 | 2017-06-09 | 湖南衡泰机械科技有限公司 | The Automatic-clamping and back-off assembly of a kind of workpiece |
| AT518679A1 (en) * | 2016-05-31 | 2017-12-15 | Avl List Gmbh | Connecting rod with sliding wedge for a reciprocating engine, reciprocating engine and vehicle with a reciprocating engine |
| CN107575303A (en) * | 2017-11-02 | 2018-01-12 | 吉林大学 | A kind of motor-driven variable length link |
| CN107838347A (en) * | 2016-09-18 | 2018-03-27 | 北京机电研究所 | A kind of closed height adjusting device |
| CN108194535A (en) * | 2018-01-03 | 2018-06-22 | 浙江师范大学 | A kind of electric mechanical brake-by-wire device |
| CN108204416A (en) * | 2018-01-03 | 2018-06-26 | 浙江师范大学 | A kind of electric mechanical brake-by-wire device |
| CN108591306A (en) * | 2017-12-29 | 2018-09-28 | 浙江师范大学 | A kind of electric mechanical brake-by-wire device |
| CN110006993A (en) * | 2019-04-03 | 2019-07-12 | 安徽见行科技有限公司 | Can continuous fine adjustment eddy current sensor probe apparatus |
| CN112904575A (en) * | 2021-02-03 | 2021-06-04 | 凌如梦 | Medical device convenient for medical staff to observe and used in medical connection body |
| CN116323372A (en) * | 2020-10-05 | 2023-06-23 | 爱塞斯特技术有限公司 | Adjustable link arm |
| CN117954365A (en) * | 2024-03-27 | 2024-04-30 | 四川通妙自动化设备有限公司 | Lead frame mechanism, transfer device that gathers materials |
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Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106715042A (en) * | 2014-06-24 | 2017-05-24 | 安东帕有限责任公司 | Positioning unit |
| CN106715042B (en) * | 2014-06-24 | 2020-05-12 | 安东帕有限责任公司 | Positioning unit |
| CN104942158A (en) * | 2015-07-29 | 2015-09-30 | 王宏斌 | Stamping mould |
| CN104942159A (en) * | 2015-07-29 | 2015-09-30 | 王宏斌 | Stamping die capable of cooling in time |
| CN105013745A (en) * | 2015-08-14 | 2015-11-04 | 方倩 | Cleaning maintenance device for outdoor steel structural component internally provided with LED lamp |
| CN105080881A (en) * | 2015-08-14 | 2015-11-25 | 方倩 | Noise-reducing cleaning and maintaining device provided with pressurizing device and used for outdoor steel structural component |
| CN105080885A (en) * | 2015-08-14 | 2015-11-25 | 厦门市优家品日用品有限公司 | Cleaning and maintaining device with left and right limiting sensors and used for outdoor steel structural member |
| CN105107774A (en) * | 2015-08-14 | 2015-12-02 | 宁波市江东逐新贸易有限公司 | Cleaning maintenance device of outdoor steel structural part with solar power generation and power supply |
| CN106808234A (en) * | 2015-11-30 | 2017-06-09 | 湖南衡泰机械科技有限公司 | The Automatic-clamping and back-off assembly of a kind of workpiece |
| AT518679B1 (en) * | 2016-05-31 | 2018-11-15 | Avl List Gmbh | Connecting rod with sliding wedge for a reciprocating engine, reciprocating engine and vehicle with a reciprocating engine |
| AT518679A1 (en) * | 2016-05-31 | 2017-12-15 | Avl List Gmbh | Connecting rod with sliding wedge for a reciprocating engine, reciprocating engine and vehicle with a reciprocating engine |
| CN107838347A (en) * | 2016-09-18 | 2018-03-27 | 北京机电研究所 | A kind of closed height adjusting device |
| CN107575303A (en) * | 2017-11-02 | 2018-01-12 | 吉林大学 | A kind of motor-driven variable length link |
| CN108591306A (en) * | 2017-12-29 | 2018-09-28 | 浙江师范大学 | A kind of electric mechanical brake-by-wire device |
| CN108204416A (en) * | 2018-01-03 | 2018-06-26 | 浙江师范大学 | A kind of electric mechanical brake-by-wire device |
| CN108194535A (en) * | 2018-01-03 | 2018-06-22 | 浙江师范大学 | A kind of electric mechanical brake-by-wire device |
| CN110006993A (en) * | 2019-04-03 | 2019-07-12 | 安徽见行科技有限公司 | Can continuous fine adjustment eddy current sensor probe apparatus |
| CN116323372A (en) * | 2020-10-05 | 2023-06-23 | 爱塞斯特技术有限公司 | Adjustable link arm |
| US11719381B2 (en) | 2020-10-05 | 2023-08-08 | Asyst Technologies L.L.C. | Adjustable linkage arm |
| EP4226056A4 (en) * | 2020-10-05 | 2024-03-27 | ASYST Technologies L.P. | Adjustable linkage arm |
| CN112904575A (en) * | 2021-02-03 | 2021-06-04 | 凌如梦 | Medical device convenient for medical staff to observe and used in medical connection body |
| CN117954365A (en) * | 2024-03-27 | 2024-04-30 | 四川通妙自动化设备有限公司 | Lead frame mechanism, transfer device that gathers materials |
| CN117954365B (en) * | 2024-03-27 | 2024-06-04 | 四川通妙自动化设备有限公司 | Lead frame mechanism, transfer device that gathers materials |
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