CN220532825U - Safety press - Google Patents
Safety press Download PDFInfo
- Publication number
- CN220532825U CN220532825U CN202322085495.XU CN202322085495U CN220532825U CN 220532825 U CN220532825 U CN 220532825U CN 202322085495 U CN202322085495 U CN 202322085495U CN 220532825 U CN220532825 U CN 220532825U
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- CN
- China
- Prior art keywords
- feeler lever
- metal feeler
- control chip
- linear reciprocating
- safety
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- 239000002184 metal Substances 0.000 claims abstract description 54
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 16
- 238000009413 insulation Methods 0.000 claims description 6
- 238000003825 pressing Methods 0.000 abstract description 18
- 230000008859 change Effects 0.000 abstract description 10
- 238000004080 punching Methods 0.000 description 8
- 230000006698 induction Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000004020 conductor Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010408 sweeping Methods 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Landscapes
- Presses And Accessory Devices Thereof (AREA)
Abstract
The utility model relates to a safety press. The automatic pressing machine comprises a pressing machine body, wherein an operation table, a trigger switch, a power assembly and a pressing assembly are arranged on the pressing machine body, an operation area is formed between the pressing assembly and the operation table, a detection assembly is arranged on the pressing machine body and comprises a linear reciprocating motion mechanism, an insulating moving seat, a metal feeler lever, a power supply, a micro-current sensor and a control chip, and the power assembly, the trigger switch, the linear reciprocating motion mechanism, the metal feeler lever, the power supply and the micro-current sensor are all electrically connected to the control chip. The detection assembly is arranged at the front side of the operation area, after the trigger switch is started, the metal feeler lever can be driven to reciprocate and detect whether current change is generated to identify whether a human hand exists in the range of the operation area, after the safety is ensured, the control chip can start the power assembly and drive the pressing assembly to press down, and the reliability of the detection mode is high.
Description
Technical Field
The utility model relates to a press, in particular to a safety press.
Background
In the metal product production industry, metal needs to be subjected to machining treatments such as stamping, bending and forging, and all the treatments need to be performed by using a press machine. The press is mainly divided into a hydraulic press and a punching machine, and the difference between the hydraulic press and the punching machine is that the power for driving the pressing down is different. At present, the operation of many presses is still in a manual operation state, and because operators work repeatedly, the press is easy to fatigue, and if hands cannot be withdrawn in time in the operation process, the press is easily damaged by a pressing component on a press bed.
Therefore, a safety auxiliary device for a punching machine (China patent: CN 205270657U) is disclosed, which comprises a machine base and opposite-type photoelectric induction protection devices, wherein the opposite-type photoelectric induction protection devices are arranged on two sides of the machine base, a photoelectric induction controller is arranged in the middle of the right side of the machine base and is electrically connected with the opposite-type photoelectric induction protection devices, when an operator hand is still in a punching range, the opposite-type photoelectric induction protection devices can transmit signals to the photoelectric induction controllers, and the photoelectric induction controllers can quickly and timely control the punching machine to stop working, so that accidents are avoided. Above-mentioned scheme can carry out safety protection to the people through photoelectric sensing controller, reduces the occurence of failure, but the fixed position of photoelectric sensing controller, when the less article of punching machine specification carries out the punching press, when the photoelectric sensing controller is great with the distance between the article of waiting to punch, the sensitivity of photoelectric sensing controller reduces, can appear sensing controller can not normally protect the condition.
Therefore, developing a press with reliable safety protection effect is a urgent problem for the industry.
Disclosure of Invention
The utility model provides a safety press; solves the problem of poor reliability of the safety protection detection device on the press in the prior art.
The technical problems of the utility model are mainly solved by the following technical proposal: the utility model provides a safety press, includes the press body, be equipped with operation panel, trigger switch, power pack and be located on the press body the subassembly pushes down of operation panel upside is in push down the subassembly with be formed with the operation area between the operation panel, be equipped with detection component on the press body, detection component includes straight line reciprocating mechanism, by the insulating seat that moves of straight line reciprocating mechanism drive, locate metal feeler lever on the insulating seat, with the power, micro-current sensor and the control chip that the metal feeler lever electricity is connected, power pack trigger switch the straight line reciprocating mechanism the metal feeler lever the power and micro-current sensor all electrically connect in on the control chip, the removal of metal feeler lever covers the route and is located the front side of operation area. The voltage of the power supply is between 8 and 36V, and the moving width of the sliding block is generally between 60 and 100 cm, because the possible placement positions of the hands of an operator are approximately within the width range.
The working principle of the utility model is as follows: when an operator needs to start the pressing component, the trigger switch is required to be started, the control chip receives an electric signal from the trigger switch, then the power supply and the metal feeler lever are connected, and the linear reciprocating mechanism is driven to perform one-time reciprocating action, at the moment, the metal feeler lever starts to perform sweeping motion in the front side area of the operation area and carries potential, if the arm of the operator is not in the operation area at the moment, the micro-current sensor cannot detect current change in the whole reciprocating action process, and therefore, when the control chip cannot detect current change in the whole reciprocating action process, the control chip starts the power component and drives the pressing component to press down; if the arm of the operator is still located in the operation area, the metal feeler lever is contacted with the human body, the human body is used as a conductor, a potential difference exists between the metal feeler lever and the human body, micro-current can be generated, the micro-current sensor can detect micro-current change on the metal feeler lever, and once the control chip detects the current change, the power component can not be started. It should be noted that the operator needs to wear the conductive sleeve specially when operating the present utility model, so that even if the metal contact rod contacts the conductive sleeve on the arm, current is generated, and reliable detection results are ensured.
Further, a rotating shaft is arranged on the insulation moving seat, the metal feeler lever is rotationally connected with the rotating shaft, an elastic resetting piece is connected between the insulation moving seat and the metal feeler lever, and the elastic resetting piece can control the metal feeler lever to reset to a state perpendicular to the moving direction of the insulation moving seat. After the technical scheme is adopted, the self-adaptive torsion can be generated after the metal feeler lever contacts any object in a moving state, so that the metal feeler lever or a touching object is prevented from being damaged or injured.
Further, the detection assembly is fixed in the front side area of the operating platform, and the movement path of the linear reciprocating mechanism is horizontally arranged. The mounting location is located in the region of the operator's arm must pass, ensuring that it can be detected when the operator's arm is still within the range of the hazardous area.
Further, the metal feeler lever is of a telescopic lever structure. The total length of the metal feeler lever can be freely adjusted by manually stretching or pressing the metal feeler lever, so that physical collision with other parts is avoided on the premise of covering the height of an operation area.
Therefore, compared with the prior art, the utility model has the following characteristics: 1. the detection assembly is arranged at the front side of the operation area, after the trigger switch is started, the metal feeler lever can be driven to reciprocate and detect whether current change is generated to identify whether a human hand exists in the range of the operation area, after the safety is ensured, the control chip can start the power assembly and drive the pressing assembly to press down, so that the reliability of the detection mode is high; 2. when the metal feeler lever is contacted with any object in a moving state, self-adaptive torsion can occur, so that the metal feeler lever or touching object is prevented from being damaged or injured.
Drawings
FIG. 1 is a schematic illustration of a construction of the present utility model;
FIG. 2 is a schematic diagram of a construction of the detection assembly;
FIG. 3 is an enlarged view of portion A of FIG. 2;
fig. 4 is a schematic system diagram of example 1.
Detailed Description
The technical scheme of the utility model is further specifically described below through examples and with reference to the accompanying drawings.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Example 1: referring to fig. 1, 2 and 4, a safety press includes a press body 100, the press body is a punching machine, an operation table 110, a trigger switch 200, a flywheel assembly 120, an electronic clutch, and a pressing assembly 130 located at the upper side of the operation table are disposed on the press body, the trigger switch is generally disposed in a region where legs and feet of an operator can conveniently reach, an operation area 140 is formed between the pressing assembly located at a top dead center and the operation table, a detection assembly 300 is fixed at a front side region of the operation table, the detection assembly includes a linear reciprocating mechanism 310 disposed horizontally, an insulating moving seat 320 driven by the linear reciprocating mechanism, a metal feeler lever 330 disposed on the insulating moving seat, a power source electrically connected with the metal feeler lever, a micro-current sensor, and a control chip, the power assembly, the trigger switch, the linear reciprocating mechanism, the metal feeler lever, the power source and the micro-current sensor are all electrically connected to the control chip, and a moving covering path of the metal feeler lever is located at the front side of the operation area; the embodiment also comprises a warning system electrically connected with the control chip, wherein the warning system can comprise one or two of a photoelectric warning lamp and a voice broadcasting device. The voltage of the power supply is 12V, and the moving width of the sliding block is generally 100 cm.
The working principle of the embodiment is as follows: when an operator needs to start the pressing component, the trigger switch is required to be started, the control chip is connected with the power supply and the metal feeler lever after receiving an electric signal from the trigger switch and drives the linear reciprocating mechanism to perform a reciprocating action, at the moment, the metal feeler lever starts to perform a sweeping motion in the front side area of the operation area and carries with the electric potential, if the arm of the operator is not in the operation area at the moment, the micro-current sensor cannot detect current change in the whole reciprocating action process, so when the control chip cannot detect the current change in the whole reciprocating action process, the control chip controls the electronic clutch to clamp the flywheel component and drives the pressing component to press down; if the arm of the operator is still located in the operation area, the metal feeler lever is contacted with the human body, the human body is used as a conductor, a potential difference exists between the metal feeler lever and the human body, micro-current can be generated, the micro-current sensor can detect micro-current change on the metal feeler lever, once the control chip detects the current change, the electronic clutch is not started, and meanwhile, the warning system is started to inform the operator. It should be noted that, when the operator operates the present embodiment, the operator needs to wear the conductive sleeve specially, so that even if the metal feeler lever contacts the conductive sleeve on the arm, current is generated, and reliable detection results are ensured.
Referring to fig. 3, a rotating shaft 321 is disposed on the insulating moving seat, the metal feeler lever is rotatably connected with the rotating shaft, and an elastic reset member 322 is connected between the insulating moving seat and the metal feeler lever, and the elastic reset member can control the metal feeler lever to reset to a state perpendicular to the moving direction of the insulating moving seat. After the technical scheme is adopted in the embodiment, when the metal feeler lever is contacted with any object in a moving state, self-adaptive torsion can occur, so that the metal feeler lever or the touching object is prevented from being damaged or injured.
Referring to fig. 2, the linear reciprocating mechanism includes two positioning plates 311 fixed on the front sidewall of the operation table, a screw rod 312 horizontally rotatably fitted on the two positioning plates, a polish rod 313 horizontally fixed on the two positioning plates, a slider 314 sleeved with the polish rod and rotatably fitted with the screw rod, and a servo motor 315 driving the screw rod to rotate, and the insulating moving seat is fixed on the slider. After the trigger switch is triggered, the control chip can control the slider to reciprocate left and right once by controlling the servo motor.
Referring to fig. 2, the metal feeler lever is of a telescopic lever structure. The total length of the metal feeler lever can be freely adjusted by manually stretching or pressing the metal feeler lever, so that physical collision with other parts is avoided on the premise of covering the height of an operation area.
See fig. 3, the lower section of the metal feeler lever is provided with a vertically arranged chute 331, the elastic resetting piece is a torsion spring sleeved on the rotating shaft, one elastic arm of the torsion spring is abutted with the insulating movable seat, and the other elastic arm is in sliding fit with the chute.
It will be obvious to those skilled in the art that the present utility model may be varied in a number of ways without departing from the scope of the utility model. All such modifications as would be obvious to one skilled in the art are intended to be included within the scope of this claims.
Claims (7)
1. The utility model provides a safety press, includes the press body, be equipped with operation panel, trigger switch, power component and be located on the press body the subassembly pushes down of operation panel upside, be in the top dead center push down the subassembly with be formed with the operation panel between, its characterized in that: the detection assembly comprises a linear reciprocating mechanism, an insulating moving seat driven by the linear reciprocating mechanism, a metal feeler lever arranged on the insulating moving seat, a power supply electrically connected with the metal feeler lever, a micro-current sensor and a control chip, wherein the power assembly, the trigger switch, the linear reciprocating mechanism, the metal feeler lever, the power supply and the micro-current sensor are electrically connected to the control chip, and a moving coverage path of the metal feeler lever is positioned at the front side of the operation area.
2. The safety press according to claim 1, wherein: the insulation movable seat is provided with a rotating shaft, the metal feeler lever is rotationally connected with the rotating shaft, an elastic resetting piece is connected between the insulation movable seat and the metal feeler lever, and the elastic resetting piece can control the metal feeler lever to reset to a state perpendicular to the moving direction of the insulation movable seat.
3. Safety press according to claim 1 or 2, characterized in that: the detection component is fixed in the front side area of the operating platform, and the movement path of the linear reciprocating mechanism is horizontally arranged.
4. A safety press according to claim 3, characterized in that: the linear reciprocating mechanism comprises two positioning plates fixed on the front side wall of the operating platform, a screw rod horizontally rotatably matched with the two positioning plates, a polish rod horizontally fixed on the two positioning plates, a slide block sleeved with the polish rod and rotatably matched with the screw rod, and a servo motor for driving the screw rod to rotate, and the insulating movable seat is fixed on the slide block.
5. The safety press according to claim 2, wherein: the metal feeler lever is of a telescopic lever structure.
6. The safety press according to claim 4, wherein: the lower section of the metal feeler lever is provided with a vertically arranged chute, the elastic resetting piece is a torsion spring sleeved on the rotating shaft, one elastic arm of the torsion spring is abutted to the insulating movable seat, and the other elastic arm is in sliding fit with the chute.
7. The safety press according to claim 1, wherein: the warning system is electrically connected with the control chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322085495.XU CN220532825U (en) | 2023-08-03 | 2023-08-03 | Safety press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322085495.XU CN220532825U (en) | 2023-08-03 | 2023-08-03 | Safety press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220532825U true CN220532825U (en) | 2024-02-27 |
Family
ID=89966020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322085495.XU Active CN220532825U (en) | 2023-08-03 | 2023-08-03 | Safety press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220532825U (en) |
-
2023
- 2023-08-03 CN CN202322085495.XU patent/CN220532825U/en active Active
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