CN202794959U - Adjustable cam controller capable of detecting movement of cam and adhesion of switch - Google Patents
Adjustable cam controller capable of detecting movement of cam and adhesion of switch Download PDFInfo
- Publication number
- CN202794959U CN202794959U CN 201220416152 CN201220416152U CN202794959U CN 202794959 U CN202794959 U CN 202794959U CN 201220416152 CN201220416152 CN 201220416152 CN 201220416152 U CN201220416152 U CN 201220416152U CN 202794959 U CN202794959 U CN 202794959U
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Abstract
The utility model relates to an adjustable cam controller capable of detecting movement of a cam and adhesion of a switch. The adjustable cam controller comprises a controller cover casing, and a camshaft assembly and a switch assembly that are arranged inside the controller cover casing. The camshaft assembly includes a camshaft, wherein two ends of the camshaft are arranged inside the controller cover casing via bearings. The camshaft is provided with a plurality of cam assemblies, and a pressure spring is arranged between each two adjacent the cam assemblies. Each cam assembly includes an outer cam, an inner cam and a shaft sleeve, wherein the shaft sleeve is sleeved on the camshaft, and the outer cam and the inner cam are sleeved on the camshaft and also sleeved on the shaft sleeve. The switch assembly comprises a plurality of switches disposed on one side of the camshaft, and each cam assembly is correspondingly provided with one switch. The adjustable cam controller is characterized in that the camshaft is equipped with a code disc, and one side of the code disc, via a mounting support, is provided with a photoelectric sensor that is capable of receiving rotation signals of the code disc. According to the adjustable cam controller, the code disc is adopted and the photoelectric sensor used for detecting movement of the code disc is also adopted, thereby forming a dynamic monitoring device.
Description
Technical field
The utility model relates to a kind of adjustable cam controller that detects camming movement and switch adhesion, and is especially a kind of for the cam controller on the automation equipments such as iron and steel, metallurgy, machinery, light industry, mine and the various automatic production line.
Background technology
Cam controller is the important component part of punching machine electric-controlled system processed.In a working cycle of punching machine, the action of each working mechanism of main and auxiliaries (the particularly subsidiary engine of controlled pressure machine slide block action) has strict logical relation, comprises order and the shared time of action of action.The method of work for the treatment of mechanism logical relation is normally distributed 360 ° of one weeks of crankshaft rotating, makes the working cycle diagram of punching machine, and the action of each working mechanism is controlled.Cam controller is exactly the topworks that the crankshaft rotating angle is distributed.Cam controller is installed on the axle that rotates with crankshaft-synchronous, along with the rotation of bent axle, cam controller sends corresponding signal, and electric-control system sends instruction to each working mechanism after receiving signal, working mechanism produces the action of regulation successively, finishes a working cycle of punching machine.
New regulation according to associated mechanical pressing machine safety standard; if the cam of excess of stroke supervising device is during by the bent axle Indirect driven (as: by the chain drive between cam and the bent axle); the reply Indirect driven is monitored; if there is fault; should send immediately stopping signal, and stop the new stroke of startup.And existing cam controller does not generally have dynamic monitoring device, and cam controller breaks down after (such as axle fracture, switch failure), and pressing machine can not in time be shut down, and may cause security incident.
The general shaft coupling that adopts is installed scrambler or rotary transformer in existing cam controller, perhaps adopt common output shaft to connect scrambler or rotary transformer, there are following two shortcomings in these two kinds of mounting structures: (1) adopts axle construction relative complex, the reliability of shaft coupling relatively relatively poor; (2) scrambler or the rotary transformer that adopt common output shaft to connect are because output shaft is thinner, if having deviation, the perhaps easy fracture of output shaft under the high vibration condition when installing.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of adjustable cam controller that detects camming movement and switch adhesion is provided, this cam controller has been installed code-disc (or rotary transformer) and for detection of the photoelectric sensor of camming movement, consisted of dynamic monitoring device, and mounting structure is firm, is not easy fracture.
According to the technical scheme that the utility model provides, the described adjustable cam controller that detects camming movement and switch adhesion comprises the controller case, is located at cam assembly and switch module in the controller case; Described cam assembly comprises that two ends are installed in camshaft in the controller case by bearing, at camshaft the multiple cams assembly is installed, and is provided with stage clip between adjacent cam pack; Described cam pack comprises external cam, cam ring and the axle sleeve that is set on the camshaft, and axle sleeve is set on the camshaft, and external cam and cam ring are set on the axle sleeve; End face is provided with gear ring in the both sides of described cam ring, is provided with gear ring in a side end face of described external cam, is provided with gear ring in a side end face of described axle sleeve; The gear ring of described cam ring one side end face and the engagement of the end face gear ring of axle sleeve, the gear ring of cam ring opposite side end face and the engagement of the end face gear ring of external cam; Described switch module comprises a plurality of switches that are installed in camshaft one side, switch of every group of corresponding installation of cam pack; Feature is: at described camshaft code-disc is installed, in a side of described code-disc the photoelectric sensor that can accept the code-disc turn signal is installed by mounting bracket.
In an embodiment, described code-disc and photoelectric sensor are replaced by the rotary transformer that coaxial sleeve is located on the camshaft.
In an embodiment, the rotor of described rotary transformer is connected with camshaft, and is flexible fixing by spring leaf between the stator of rotary transformer and the controller case.
In an embodiment, the axle head of described camshaft is connected with the output shaft of rotary transformer by shaft coupling, and rotor and the output shaft of rotary transformer are fixed, and the stator of rotary transformer is fixed by mounting flange and controller case.
In an embodiment, described rotary transformer is replaced by scrambler.
In an embodiment, described rotary transformer is installed in inside or the outside of controller case.
In an embodiment, described code-disc is discoid, at the edge of code-disc several stepped tooths is set, and forms trapezoidal cell body between the adjacent stepped tooth, a stepped tooth and an adjacent dovetail groove body form a cycle period, and the angle of this cycle period is α.
In an embodiment, the angle [alpha] of a cycle period of described code-disc is 4 °.
In an embodiment, be provided with stop means at least two group cam packs, described stop means is one or more the first spacer pin of gear ring inboard, cam ring one side end face, one or more the second spacer pin of cam ring opposite side end face gear ring inboard, one or more the first stopper slot and one or more the second stopper slots that are arranged on gear ring inboard, axle sleeve one side end face that are arranged on gear ring inboard, external cam one side end face of being arranged on of being arranged on; Described the first spacer pin embeds in the first corresponding stopper slot successively, and the second spacer pin embeds in the second corresponding stopper slot successively; Described the first spacer pin can come back rotation along the arc length direction of the first corresponding stopper slot, and the second spacer pin can come back rotation along the arc length direction of the second corresponding stopper slot.
In an embodiment, the corresponding switch of described cam pack with stop means (9) is the switch with the normally closed contact forced switching-off function.
The utlity model has following advantage: the photoelectric sensor (perhaps rotary transformer, scrambler) that (1) the utility model has been installed code-disc and moved for detection of code-disc has consisted of the dynamic monitoring device to camming movement state, switch motion state; (2) code-disc of the present utility model (or rotary transformer, scrambler) and the coaxial installation of cam pack, mounting structure is firm, is not easy fracture.
Description of drawings
Fig. 1 is the structural representation of the utility model the first scheme.
Fig. 2 is outside drawing of the present utility model.
Fig. 3 is the structural representation of cam assembly described in the utility model.
Fig. 4 is the E-E cut-open view of Fig. 1.
Fig. 5 is the structural representation of code-disc described in the utility model.
Fig. 6 is the structural representation of the utility model first scheme.
Fig. 7 is the structural representation of the third scheme of the utility model.
Fig. 8 is the structural representation of the 4th kind of scheme of the utility model.
Fig. 9 is the structural representation of cam ring described in the utility model.
Figure 10 is the rear view of Fig. 9.
Figure 11 is the A-A cut-open view of Fig. 9.
Figure 12 is the structural representation of external cam described in the utility model.
Figure 13 is the B-B cut-open view of Figure 12.
Figure 14 is the structural representation of axle sleeve described in the utility model.
Figure 15 is the C-C cut-open view of Figure 14.
Embodiment
The utility model is described in further detail below in conjunction with concrete accompanying drawing.
Such as Fig. 1 ~ shown in Figure 15: the adjustable cam controller that can detect camming movement and switch adhesion comprises tag 1, controller case 2, camshaft 3, stage clip 4, rotary transformer 5, cam assembly 7, cam pack 8, switch 9, code-disc 11, photoelectric sensor 12, mounting bracket 13, spring leaf 14, shaft coupling 15, output shaft 16, mounting flange 17, the first spacer pin 18, the second spacer pin 19, the first stopper slot 20, the second stopper slot 21, external cam 3a, cam ring 3b, axle sleeve 3c etc.
As shown in Figure 1 and Figure 2, the utility model comprises controller case 2, is located at cam assembly 7 and switch module in the controller case 2; Described cam assembly 7 comprises that two ends are installed in camshaft 3 in the controller case 2 by bearing, according to required control signal on camshaft 3 how many multiple cams assemblies 8 is installed; Described switch module comprises a plurality of switches 9 that are installed in camshaft 3 one sides, switch 9 of every group of cam pack 8 corresponding installations; Be provided with stop means at least two group cam packs 8, described cam pack 8 corresponding switches 9 with stop means are the switch with the normally closed contact forced switching-off function;
As shown in Figure 3, between adjacent cam pack 8, be provided with stage clip 4; Described cam pack 8 comprises external cam 3a, cam ring 3b and the axle sleeve 3c that is set on the camshaft 3, and axle sleeve 3c is set on the camshaft 3, and external cam 3a and cam ring 3b are set on the axle sleeve 3c; End face is provided with gear ring in the both sides of described cam ring 3b, is provided with gear ring in the side end face of described external cam 3a, is provided with gear ring in the side end face of described axle sleeve 3c; As shown in Figure 3, the gear ring of described cam ring 3b one side end face and the engagement of the end face gear ring of axle sleeve 3c, the gear ring of cam ring 3b opposite side end face and the engagement of the end face gear ring of external cam 3a; Such as Fig. 9 ~ shown in Figure 15, described stop means is one or more the first spacer pin 18 of gear ring inboard, cam ring 3b one side end face, one or more the second spacer pin 19 of cam ring 3b opposite side end face gear ring inboard, one or more the first stopper slot 20 and one or more the second stopper slots 21 that are arranged on gear ring inboard, axle sleeve 3c one side end face that are arranged on gear ring inboard, external cam 3a one side end face of being arranged on of being arranged on; Described the first spacer pin 18 embeds in the first corresponding stopper slot 20 successively, and the second spacer pin 19 embeds in the second corresponding stopper slot 21 successively; Described the first spacer pin 18 can come back rotation along the arc length direction of the first corresponding stopper slot 20, and the second spacer pin 19 can come back rotation along the arc length direction of the second corresponding stopper slot 21;
For motion and the switch adhesion that detects cam, at camshaft 3 dynamic monitoring device is installed, the first scheme of this dynamic monitoring device as shown in Figure 4, coaxial installation code-disc 11 on described camshaft 3 is installed the photoelectric sensor 12 that can accept code-disc 11 turn signals in a side of described code-disc 11 by mounting bracket 13; Described code-disc 11 is directly installed coaxial on camshaft 3, does not adopt shaft coupling;
As shown in Figure 5, described code-disc 11 is discoid, at the edge of code-disc 11 several stepped tooths are set, form trapezoidal cell body between the adjacent stepped tooth, a stepped tooth and an adjacent dovetail groove body form a cycle period, the angle of this cycle period is α, and this α angle is confirmed according to specific circumstances, such as 4 °; Described code-disc 11 and camshaft 3 rotate synchronously, by the rotation of photoelectric sensor 12 detection code-discs 11 and with the safety control system of signal feedback to pressing machine, in case cam controller breaks down (comprising off-axis and switch failure) like this, the safety control system of pressing machine just sends stopping signal immediately, reached the dynamic monitoring effect to cam controller, make the pressing machine safety control system to work realization " anomalous mode " control (fault that quick-action switch can avoid electromagnetic interference (EMI) to cause of cam controller, the fault that photoelectric sensor can avoid physical shock vibration to cause), thus he has effectively improved the safety coefficient of pressing machine; Photoelectric sensor detects that code-disc rotates and is to have utilized existing PLC or other electrical safety control module in the pressing machine safety control system with signal feedback to the safety control system of pressing machine, thereby make the utility model compare existing mechanical-electronic cam controller under the prerequisite that satisfies the punching machine security function, have simultaneously simple in structure, good reliability, cost performance high;
Described code-disc 11 and photoelectric sensor 12 also can be replaced by the coaxial rotary transformer 5 that is installed on the camshaft 3, be the first scheme of described dynamic monitoring device as shown in Figure 6, described rotary transformer 5 coaxial sleeves are located on the axle head of camshaft 3, rotary transformer 5 is directly installed on the camshaft 3 for jacket casing formula structure, thereby the installation shaft of rotary transformer 5 is relatively thick, and the shaft coupling and the fabricated section that do not need other can overcome the thin easily defective of fracture of the central conventional coders of prior art or rotary transformer output shaft; The rotor of described rotary transformer 5 is connected with camshaft 3, and is flexible fixing by spring leaf 14 between the stator of rotary transformer 5 and the controller case 2; Described rotary transformer 5 is small-sized AC motor of a kind of usefulness that takes measurement of an angle, be used for measuring rotating shaft angular travel and the angular velocity of rotating object, wherein stator winding is accepted field voltage as the former limit of transformer, the rotor winding obtains induced voltage as the secondary of transformer by electromagnetic coupled; The course of work of described rotary transformer 5 is: the rotor of rotary transformer 5 and camshaft 3 rotate synchronously, the rotor winding is with the electric control loop of signal feedback to pressing machine, realization is to the monitoring of camming movement state, switch motion state, in case cam controller breaks down (comprising off-axis and switch failure) like this, the safety control system of pressing machine just sends stopping signal immediately, has reached the dynamic monitoring effect to cam controller;
The third scheme of described dynamic monitoring device as shown in Figure 8, the axle head of described camshaft 3 is connected with the output shaft 16 of rotary transformer 5 by shaft coupling 15, the rotor of rotary transformer 5 and output shaft 16 are fixing, and the stator of rotary transformer 5 is fixing with controller case 2 by mounting flange 17;
Described rotary transformer 5 also can be replaced by scrambler, and namely the output shaft 16 of scrambler is connected by shaft coupling 15 with camshaft 3, and the center code-disc of scrambler and output shaft 16 are fixing; Scrambler is a kind of device that angular displacement or straight-line displacement is converted to electric signal, when work, the center code-disc of scrambler and camshaft 3 rotate synchronously, and the signal that obtains is sent electric control loop to pressing machine, realize the monitoring to cam and switch motion state;
As shown in Figure 6, described rotary transformer 5 or scrambler can be installed in the inside of controller case 2; As shown in Figure 7, described rotary transformer 5 or scrambler also can be installed in the outside of controller case 2;
The quick-action switch that described switch with the normally closed contact forced switching-off function can adopt German Sha Ertebao (schaltbau) company to produce, in cam controller described in the utility model, adopt quick-action switch to replace common microswitch, satisfy GB 27607-2011 " punching machine safety specifications " security control requirements, even molten the potential safety hazard that also do not exist occurs switch contact;
The tag 1 that is used for place in circuit is installed in described controller case 2 outsides.
Claims (10)
1. the adjustable cam controller that can detect camming movement and switch adhesion comprises controller case (2), is located at cam assembly (7) and switch module in the controller case (2); Described cam assembly (7) comprises that two ends are installed in the interior camshaft (3) of controller case (2) by bearing, at camshaft (3) multiple cams assembly (8) is installed, and is provided with stage clip (4) between adjacent cam pack (8); Described cam pack (8) comprises external cam (3a), cam ring (3b) and the axle sleeve (3c) that is set on the camshaft (3), and axle sleeve (3c) is set on the camshaft (3), and external cam (3a) and cam ring (3b) are set on the axle sleeve (3c); Both sides end face at described cam ring (3b) is provided with gear ring, is provided with gear ring in a side end face of described external cam (3a), is provided with gear ring in a side end face of described axle sleeve (3c); The gear ring of described cam ring (3b) side end face and the engagement of the end face gear ring of axle sleeve (3c), the gear ring of cam ring (3b) opposite side end face and the engagement of the end face gear ring of external cam (3a); Described switch module comprises a plurality of switches (9) that are installed in camshaft (3) one sides, the corresponding switch (9) of installing of every group of cam pack (8); It is characterized in that: at described camshaft (3) code-disc (11) is installed, in a side of described code-disc (11) photoelectric sensor (12) that can accept code-disc (11) turn signal is installed by mounting bracket (13).
2. the adjustable cam controller that detects camming movement and switch adhesion as claimed in claim 1 is characterized in that: described code-disc (11) and photoelectric sensor (12) are replaced by the rotary transformer (5) that coaxial sleeve is located on the camshaft (3).
3. the adjustable cam controller that detects camming movement and switch adhesion as claimed in claim 1, it is characterized in that: the rotor of described rotary transformer (5) is connected with camshaft (3), and is flexible fixing by spring leaf (14) between the stator of rotary transformer (5) and the controller case (2).
4. the adjustable cam controller that detects camming movement and switch adhesion as claimed in claim 1, it is characterized in that: the axle head of described camshaft (3) is connected with the output shaft (16) of rotary transformer (5) by shaft coupling (15), the rotor of rotary transformer (5) and output shaft (16) are fixing, and the stator of rotary transformer (5) is fixing by mounting flange (17) and controller case (2).
5. such as each described adjustable cam controller that detects camming movement and switch adhesion of claim 2 ~ 4, it is characterized in that: described rotary transformer (5) is replaced by scrambler.
6. such as each described adjustable cam controller that detects camming movement and switch adhesion of claim 2 ~ 4, it is characterized in that: described rotary transformer (5) is installed in inside or the outside of controller case (2).
7. the adjustable cam controller that detects camming movement and switch adhesion as claimed in claim 1, it is characterized in that: described code-disc (11) is for discoid, edge at code-disc (11) arranges several stepped tooths, form trapezoidal cell body between the adjacent stepped tooth, a stepped tooth and an adjacent dovetail groove body form a cycle period, and the angle of this cycle period is α.
8. the adjustable cam controller that detects camming movement and switch adhesion as claimed in claim 7, it is characterized in that: the angle [alpha] of (11) cycle periods of described code-disc is 4 °.
9. the adjustable cam controller that detects camming movement and switch adhesion as claimed in claim 1, it is characterized in that: be provided with stop means at least two group cam packs (8), described stop means is one or more the first spacer pins (18) that are arranged on gear ring inboard, cam ring (3b) side end face, one or more the second spacer pins (19) that are arranged on cam ring (3b) opposite side end face gear ring inboard, one or more the first stopper slot (20) and one or more the second stopper slots (21) that are arranged on gear ring inboard, axle sleeve (3c) side end face that are arranged on gear ring inboard, external cam (3a) side end face; Described the first spacer pin (18) embeds in corresponding the first stopper slot (20) successively, and the second spacer pin (19) embeds in corresponding the second stopper slot (21) successively; Described the first spacer pin (18) can come back rotation along the arc length direction of corresponding the first stopper slot (20), and the second spacer pin (19) can come back rotation along the arc length direction of corresponding the second stopper slot (21).
10. the adjustable cam controller that detects camming movement and switch adhesion as claimed in claim 9 is characterized in that: described cam pack with stop means (8) corresponding switches (9) are the switch with the normally closed contact forced switching-off function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220416152 CN202794959U (en) | 2012-08-21 | 2012-08-21 | Adjustable cam controller capable of detecting movement of cam and adhesion of switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220416152 CN202794959U (en) | 2012-08-21 | 2012-08-21 | Adjustable cam controller capable of detecting movement of cam and adhesion of switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202794959U true CN202794959U (en) | 2013-03-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220416152 Withdrawn - After Issue CN202794959U (en) | 2012-08-21 | 2012-08-21 | Adjustable cam controller capable of detecting movement of cam and adhesion of switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202794959U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102854837A (en) * | 2012-08-21 | 2013-01-02 | 无锡市拓发自控设备有限公司 | Adjustable cam controller capable of detecting cam motion and switch adhesion |
-
2012
- 2012-08-21 CN CN 201220416152 patent/CN202794959U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102854837A (en) * | 2012-08-21 | 2013-01-02 | 无锡市拓发自控设备有限公司 | Adjustable cam controller capable of detecting cam motion and switch adhesion |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130313 Effective date of abandoning: 20150401 |
|
| RGAV | Abandon patent right to avoid regrant |