CN104595682A - Workbench collision preventing device and press having same - Google Patents
Workbench collision preventing device and press having same Download PDFInfo
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- CN104595682A CN104595682A CN201310526992.7A CN201310526992A CN104595682A CN 104595682 A CN104595682 A CN 104595682A CN 201310526992 A CN201310526992 A CN 201310526992A CN 104595682 A CN104595682 A CN 104595682A
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- 230000004044 response Effects 0.000 abstract description 7
- 238000001514 detection method Methods 0.000 description 8
- 230000001681 protective effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- VIKNJXKGJWUCNN-XGXHKTLJSA-N norethisterone Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 VIKNJXKGJWUCNN-XGXHKTLJSA-N 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
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Abstract
The invention discloses a workbench collision preventing device and a press having the same. The workbench collision preventing device comprises a workbench, a first photoelectric element and a second photoelectric element. The workbench can move. The first photoelectric element and the second photoelectric element are respectively arranged at the two sides of the end of the workbench in the moving direction, are spaced from the workbench by preset distances in the moving direction of the workbench, and are correspondingly used for forming a photoelectric circuit. According to the workbench collision preventing device disclosed by the invention, the response speed of the workbench is improved to bring convenience for quick actions of the workbench.
Description
Technical field
The present invention relates to technical field of vehicle manufacture, particularly a kind of worktable anti-collision equipment and there is its press machine.
Background technique
Along with the development of automobile industry, to press machine automaticity and efficiency requirements more and more higher, require press machine automatic mold-change ADC(Auto Die Change) within 3 minutes, the movable workbench time accounts for greatly the whole automatic mold-change time 13%, namely moving speed of table is about 15m/ and divides, even requiring higher, in order to ensure whole press safety grade, preventing from worktable from thrusting into or hitting thing becoming more and more important.
For ensureing not damage surrounding people, facility etc. in shuttle table running, is furnished with Safeguard respectively in the face, left and right of shuttle table.Safeguard in correlation technique is primarily of compositions such as guard shield, supporting base, support, spring, limit switches, when worktable bumps against people or object, guard shield can move by Compress Spring, trigger limit switch simultaneously, send electric signal and be sent to PLC, PLC controls worktable to be stopped, and sends alarm signal.
But the Safeguard guard shield adopted in this way is heavy, supported spring easily lost efficacy when long-time heavy burden.Adopt mechanical limit switch, possess certain life-span, mechanical limit switch often carries certain pressure, so easily damage.The mechanical position limitation reaction time is slow.
Summary of the invention
The present invention is intended to solve one of above-mentioned technical problem of the prior art at least to a certain extent.For this reason, one object of the present invention is to propose a kind of worktable anti-collision equipment, this worktable anti-collision equipment, strengthens guard shield stroke, improves device working life, reduces rate of fault, and improve speed of response and response time.
Another object of the present invention is the press machine proposing to have this worktable anti-collision equipment.
According to the worktable anti-collision equipment of the embodiment of the present invention, comprising: worktable, the first photocell and the second photocell.Described worktable is removable; Described first photocell and described second photocell are located at the both sides, end on described movable workbench direction respectively, and on the movement direction of described worktable described first photocell and described second photocell respectively with described worktable spaced a predetermined distance, described first photocell is relative to photoelectric circuit with described second photocell.
According to the worktable anti-collision equipment of the embodiment of the present invention; worktable near people or article time; the effect of blocking of people or article can make the photoelectric circuit between the first photocell and the second photocell interrupt; thus detect that whether worktable is near people or article, thus, improves the Security of device; avoid causing damage; and the first photocell and the distance between the second photocell and worktable can be selected according to actual needs, can improve detecting distance, are convenient to the shutdown of worktable.In addition, adopt photosignal to control, this worktable anti-collision equipment is responded fast, improves the speed of response of worktable, so that the quick acting of worktable.
In addition, worktable anti-collision equipment according to the above embodiment of the present invention, can also have following additional technical characteristics:
According to one embodiment of present invention, described first photocell is photoelectric sensor, and described second photocell is the photoelectric reflection plate corresponding with described photoelectric sensor.Thus, make this worktable anti-collision equipment structure simple, be convenient to install and cost is low, and improve the detection range of this device, easy to use.
According to one embodiment of present invention, described first photocell is photoemitter, and described second photocell is the photelectric receiver relative with described photoemission part.Thus, make photoelectric detection result accurately quick, improve the reaction velocity of this worktable anti-collision equipment, further increasing the Security of worktable anti-collision equipment.
According to one embodiment of present invention, described worktable is provided with the first link and the second link, and described first photocell is located on described first link, and described second photocell is located on described second link.Thus, make this worktable anti-collision equipment structure simple, easy to assembly.
According to one embodiment of present invention, described first link and described second link are located on described worktable respectively pivotly.Thus, at the first link with the second link touches people or article make, the rotation of the first link or the second link, the photoelectric circuit making to be formed between the first photocell and the second photocell is interrupted, thus avoid link or photocell to damage, and improve the detection range of this worktable protective equipment, be convenient to the use of this worktable protective equipment.
According to one embodiment of present invention, described first link is provided with the first rotating shaft be connected with described worktable rotationally, and described second link is provided with the second rotating shaft be connected with described worktable rotationally.Thus, be convenient to the rotation of the first link and the second link, improve the sensitivity of this worktable detection device, improve Safety performance further.And make this worktable protective device structure simple, easy to assembly, improve efficiency of assembling, save time, reduce costs.
According to one embodiment of present invention, the movement direction of the relatively described worktable of described first link is obliquely installed, and the movement direction of the relatively described worktable of described second link is obliquely installed.Thus, making the first link and the second link when touching people or article, can rotate fast, further increasing sensitivity and the corresponding speed of this worktable anti-collision equipment.
According to one embodiment of present invention, on the movement direction of described worktable, the distance of described first photocell and described worktable is not less than the braking distance of described worktable, and on the movement direction of described worktable, the distance of described second photocell and described worktable is not less than the braking distance of described worktable.Thus, avoid worktable to bump against people or article, improve the Security of worktable and avoid worktable to damage, improve Security and the practicability of this worktable anti-collision equipment.
According to one embodiment of present invention, on the movement direction of described worktable described first photocell and described worktable spacing in the scope of milli 250 meters to 350 millimeters, the distance on the movement direction of described worktable between described second photocell and described worktable is in the scope of 250 millimeters to 350 millimeters.Thus, not only can increase the dead time of worktable, improve Security, but also improve the structural strength of the first link and the second link, reduce rate of fault, make this worktable anti-collision equipment have longer working life.
According to the press machine of the embodiment of the present invention, comprise the worktable anti-collision equipment according to previous embodiment of the present invention.
According to the press machine of the embodiment of the present invention, there is the worktable anti-collision equipment according to previous embodiment of the present invention.Thus, improve the Security of press machine.Avoid causing damage, the first photocell and the distance between the second photocell and worktable can be selected according to actual needs, can improve detecting distance, are convenient to the shutdown of worktable.In addition, adopt photosignal to control, press machine is responded fast, improves the speed of response of press machine.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the worktable anti-collision equipment of one embodiment of the present of invention.
Fig. 2 is the left view of Fig. 1.
Reference character: worktable 1; First photocell 21; Second photocell 22; First link 31; Second link 32; First rotating shaft 41; Second rotating shaft 42.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristics.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.
Describe the worktable anti-collision equipment of the embodiment of the present invention with reference to the accompanying drawings in detail.
As depicted in figs. 1 and 2, according to the worktable anti-collision equipment of the embodiment of the present invention, comprising: worktable 1, first photocell 21 and the second photocell 22.
Specifically, worktable 1 is removable.First photocell 21 and the second photocell 22 are located at both sides, end on worktable 1 movement direction (i.e. the direction of vertical paper as shown in Figure 1 or fore-and-aft direction as shown in Figure 2) (i.e. left side as shown in Figure 1 and right side) respectively, described end i.e. front-end and back-end as shown in Figure 2, on the movement direction of worktable 1 first photocell 21 and the second photocell 22 respectively with worktable 1 spaced a predetermined distance, the first photocell 21 is relative to photoelectric circuit with the second photocell 22.
According to the worktable anti-collision equipment of the embodiment of the present invention; worktable 1 near people or article time; the effect of blocking of people or article can make the photoelectric circuit between the first photocell 21 and the second photocell 22 photocell interrupt; thus detect that whether worktable is near people or article; thus; improve the Security of device; avoid causing damage; and the first photocell 21 and the distance between the second photocell 22 and worktable 1 can be selected according to actual needs; can detecting distance be improved, be convenient to the shutdown of worktable 1.In addition, adopt photosignal to control, this worktable anti-collision equipment is responded fast, improves the speed of response of worktable, so that the quick acting of worktable.
See figures.1.and.2 and can find out, worktable 1 is removable along the longitudinal direction, therefore, the first photocell 21 is provided with in the left side of the front end of worktable 1, and be provided with the second photocell 22 on the right side of the front end of worktable 1, and the first photocell 21 of worktable 1 front end is relative with the second photocell 22 can form photoelectric circuit.Further, be provided with the first photocell 21 in the left side of the rear end of worktable 1, and be provided with the second photocell 22 on the right side of the rear end of worktable 1, and the first photocell 21 of worktable 1 rear end is relative with the second photocell 22 can form photoelectric circuit.
Further, in some embodiments of the invention, the first photocell 21 is photoelectric sensor, and the second photocell 22 is the photoelectric reflection plate corresponding with photoelectric sensor.Thus, make this worktable anti-collision equipment structure simple, be convenient to install and cost is low, and improve the detection range of this device, easy to use.
Specifically; during normal state; photoelectric sensor utilizing emitted light signal; arrive photoelectric sensor again through the reflection of photoelectric reflection plate to receive; this region forms closed loop, if centre has obstacle to shelter from a displacement in photosignal or photoelectric sensor and photoelectric reflection plate, photoelectric sensor will not receive signal; PLC give an order at once stop table motion, play safety protection effect.
Advantageously, in other embodiments of the present invention, the first photocell 21 is photoemitter, and the second photocell 22 is the photelectric receiver relative with photoemission part.Thus, make photoelectric detection result accurately quick, improve the reaction velocity of this worktable anti-collision equipment, further increasing the Security of worktable anti-collision equipment.
As depicted in figs. 1 and 2, in some embodiments of the invention, worktable 1 is provided with the first link 31 and the second link 32, and the first photocell 21 is located on the first link 31, and the second photocell 22 is located on the second link 32.Thus, make this worktable anti-collision equipment structure simple, easy to assembly.
One of ordinary skill in the art will appreciate that the first photocell 21 and the second photocell 22 also can between be arranged on worktable 1.
Further, the first link 31 and the second link 32 are located on worktable 1 respectively pivotly.Thus, at the first link 31 with the second link 32 touches people or article make, the rotation of the first link 31 or the second link 32, the photoelectric circuit making to be formed between the first photocell 21 and the second photocell 22 is interrupted, thus avoid link or photocell to damage, and improve the detection range of this worktable protective equipment, be convenient to the use of this worktable protective equipment.
Advantageously, as described in Figure 1, the first link 31 is provided with the first rotating shaft 41, second link 32 be connected with worktable 1 rotationally and is provided with the second rotating shaft 42 be connected with worktable 1 rotationally.Thus, be convenient to the rotation of the first link 31 and the second link 32, improve the sensitivity of this worktable detection device, improve Safety performance further.And make this worktable protective device structure simple, easy to assembly, improve efficiency of assembling, save time, reduce costs.
Further, as shown in Figure 2, the movement direction of the relative worktable 1 of the first link 31 is obliquely installed, and the movement direction of the relative worktable 1 of the second link 32 is obliquely installed.Specifically, in the plane of the axial direction perpendicular to the first rotating shaft 41, in other words in the rotating plane of the first link 31, first link 31 movement direction that is relative and worktable 1 tilts, in the plane of the axial direction perpendicular to the second rotating shaft 42, in other words in the rotating plane of the second link 32, second link 32 tilts relative to the movement direction of worktable 1, thus, make the first link 31 and the second link 32 when touching people or article, can rotate fast, further increasing sensitivity and the corresponding speed of this worktable anti-collision equipment.
When this worktable anti-collision equipment detects that there are people or article in the front of movable workbench, that is, when light path between first photocell 21 and the second photocell 22 disconnects, worktable 1 will brake, in worktable 1 brake process, worktable 1 moves forward certain distance (i.e. braking distance) by continuing.In some embodiments of the invention, on the movement direction of worktable 1, the first photocell 21 and the distance of worktable 1 are not less than the braking distance of worktable 1, and on the movement direction of worktable 1, the second photocell 22 and the distance of worktable 1 are not less than the braking distance of described worktable 1.When worktable anti-collision equipment detects that there are people or article in the front of movable workbench, worktable brakes immediately, detects at worktable anti-collision equipment the distance and braking distance that in people or article to the process of worktable 1 stop motion, worktable 1 moves.Thus, avoid worktable 1 to bump against people or article, improve the Security of worktable 1 and avoid worktable to damage, improve Security and the practicability of this worktable anti-collision equipment.
Advantageously, on the movement direction of worktable 1, the first photocell 21 and the distance of worktable 1 are greater than the braking distance of worktable 1, and on the movement direction of worktable 1, the second photocell 22 and the distance of worktable 1 are greater than the braking distance of described worktable 1.
Further, in one particular embodiment of the present invention, on the movement direction of described worktable the first photocell 21 and worktable 1 spacing in the scope of 250 millimeters to 350 millimeters, the distance on the movement direction of described worktable between the second photocell 22 and worktable 1 is in the scope of 250 millimeters to 350 millimeters.Thus, worktable can be avoided to touch people or article.
What one of ordinary skill in the art will appreciate that is, first photocell 21 and the distance between the second photocell 22 and worktable 1 can be selected according to the braking distance of the worktable of reality, for worktable or the different brake system of different quality, the first photocell 21 and the second photocell 22 are different values from the distance between worktable 1.
According to the press machine of the embodiment of the present invention, comprise the worktable anti-collision equipment according to previous embodiment of the present invention.
According to the press machine of the embodiment of the present invention, there is the worktable anti-collision equipment according to previous embodiment of the present invention.Thus, improve the Security of press machine.Avoid causing damage, the first photocell 21 and the distance between the second photocell 22 and worktable 1 can be selected according to actual needs, can improve detecting distance, be convenient to the shutdown of worktable 1.In addition, adopt photosignal to control, press machine is responded fast, improves the speed of response of press machine.
According to the press machine of the embodiment of the present invention other form and operation be all known for those of ordinary skills, be not described in detail here.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.In addition, the different embodiment described in this specification or example can carry out engaging and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (10)
1. a worktable anti-collision equipment, is characterized in that, comprising:
Moveable worktable;
First photocell and the second photocell, described first photocell and described second photocell are located at the both sides, end on described movable workbench direction respectively, and on the movement direction of described worktable described first photocell and described second photocell respectively with described worktable spaced a predetermined distance, described first photocell is relative to photoelectric circuit with described second photocell.
2. worktable anti-collision equipment according to claim 1, is characterized in that, described first photocell is photoelectric sensor, and described second photocell is the photoelectric reflection plate corresponding with described photoelectric sensor.
3. worktable anti-collision equipment according to claim 1, is characterized in that, described first photocell is photoemitter, and described second photocell is the photelectric receiver relative with described photoemission part.
4. the worktable anti-collision equipment according to any one of claim 1-3, it is characterized in that, described worktable is provided with the first link and the second link, and described first photocell is located on described first link, and described second photocell is located on described second link.
5. the worktable anti-collision equipment according to any one of claim 1-4, is characterized in that, described first link and described second link are located on described worktable respectively pivotly.
6. the worktable anti-collision equipment according to any one of claim 1-5, it is characterized in that, described first link is provided with the first rotating shaft be connected with described worktable rotationally, and described second link is provided with the second rotating shaft be connected with described worktable rotationally.
7. the worktable anti-collision equipment according to claim 5 or 6, is characterized in that, the movement direction of the relatively described worktable of described first link is obliquely installed, and the movement direction of the relatively described worktable of described second link is obliquely installed.
8. worktable anti-collision equipment according to claim 1, it is characterized in that, on the movement direction of described worktable, the distance of described first photocell and described worktable is not less than the braking distance of described worktable, and on the movement direction of described worktable, the distance of described second photocell and described worktable is not less than the braking distance of described worktable.
9. worktable anti-collision equipment according to claim 8, it is characterized in that, on the movement direction of described worktable, the distance of described first photocell and described worktable is in the scope of 250 millimeters to 350 millimeters, and on the movement direction of described worktable, the distance of described second photocell and described worktable is in the scope of 250 millimeters to 350 millimeters.
10. a press machine, is characterized in that, comprises the worktable anti-collision equipment according to any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310526992.7A CN104595682B (en) | 2013-10-30 | 2013-10-30 | Workbench anticollision device, collision-prevention device and there is its forcing press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310526992.7A CN104595682B (en) | 2013-10-30 | 2013-10-30 | Workbench anticollision device, collision-prevention device and there is its forcing press |
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| Publication Number | Publication Date |
|---|---|
| CN104595682A true CN104595682A (en) | 2015-05-06 |
| CN104595682B CN104595682B (en) | 2018-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310526992.7A Active CN104595682B (en) | 2013-10-30 | 2013-10-30 | Workbench anticollision device, collision-prevention device and there is its forcing press |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105487132A (en) * | 2015-12-23 | 2016-04-13 | 同方威视技术股份有限公司 | Security inspection device and security inspection method thereof |
| CN105487130A (en) * | 2014-09-17 | 2016-04-13 | 兰州交通大学 | Reflection-type no-connection-line automatic detection device for mechanical conflict of fork motion |
| CN106808222A (en) * | 2015-11-30 | 2017-06-09 | 湖南衡泰机械科技有限公司 | A kind of carving and milling machine workbench |
| CN113339687A (en) * | 2021-05-25 | 2021-09-03 | 东风商用车有限公司 | Follow-up press workbench safety protection method based on laser radar |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105487130A (en) * | 2014-09-17 | 2016-04-13 | 兰州交通大学 | Reflection-type no-connection-line automatic detection device for mechanical conflict of fork motion |
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| CN106808222A (en) * | 2015-11-30 | 2017-06-09 | 湖南衡泰机械科技有限公司 | A kind of carving and milling machine workbench |
| CN105487132A (en) * | 2015-12-23 | 2016-04-13 | 同方威视技术股份有限公司 | Security inspection device and security inspection method thereof |
| CN113339687A (en) * | 2021-05-25 | 2021-09-03 | 东风商用车有限公司 | Follow-up press workbench safety protection method based on laser radar |
| CN113339687B (en) * | 2021-05-25 | 2022-06-03 | 东风商用车有限公司 | Follow-up press workbench safety protection method based on laser radar |
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| Publication number | Publication date |
|---|---|
| CN104595682B (en) | 2018-04-27 |
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