CN202796508U - Cam controller with forced disconnection switch - Google Patents
Cam controller with forced disconnection switch Download PDFInfo
- Publication number
- CN202796508U CN202796508U CN201220417126.5U CN201220417126U CN202796508U CN 202796508 U CN202796508 U CN 202796508U CN 201220417126 U CN201220417126 U CN 201220417126U CN 202796508 U CN202796508 U CN 202796508U
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- cam
- switch
- face
- gear ring
- controller
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Abstract
The utility model relates to a cam controller with a forced disconnection switch. The 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 comprises a camshaft, wherein two ends of the camshaft are arranged inside the controller cover casing through bearings. The camshaft is provided with cam assemblies, and pressure springs are arranged among the cam assemblies. Each cam assembly includes an outer cam, an inner cam and a shaft sleeve, wherein the outer cam, the inner cam and the shaft sleeve are all sleeved on the camshaft, and the outer cam and the inner cam are sleeved on the shaft sleeve. The switch assembly includes a plurality of switches disposed on one side of the camshaft, and each cam assembly is correspondingly provided with one switch. The cam controller is characterized in that at least two cam assemblies are equipped with spacing devices, and the switch corresponding to each cam assembly with the spacing device belongs to a switch having a normally-closed contact forced disconnection function. The rapid moving switch having the normally-closed contact forced disconnection function is adopted, so that safety hidden troubles do not exist even if a contact of the switch is fused.
Description
Technical field
The utility model relates to a kind of cam controller with forcing cut-off switch, and is especially a kind of for the cam controller on the automation equipment 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 duty cycle of punching machine, the action of each operating 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 operating mechanism is controlled.Cam controller is exactly the actuator 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 operating mechanism after receiving signal, operating mechanism produces the action of regulation successively, finishes a duty cycle of punching machine.
Existing cam controller is comprised of camshaft, basic case and switch module.Some groups of adjustable cams are installed on the camshaft, and every group of adjustable cam (sees that Figure 14 ~ Figure 16), axle sleeve (seeing Figure 17, Figure 28) form by stage clip, external cam (seeing Figure 12, Figure 13), cam ring.Axle sleeve is installed on the camshaft, and cam ring is by end face gear ring and axle sleeve engagement, and also by end face gear ring and cam ring engagement, the three meshes into whole external cam by the end face gear ring, and stage clip is installed in two groups of spaces between the adjustable cam.When needs are adjusted angle, only cam need to be pushed engagement after the angle that needs again and gets final product along rotating to after axial withdrawal withdraw from the gear ring engagement, this angular adjustment can be carried out in 360 ° of scopes.According to the new regulation of associated mechanical forcing press safety standard, cam should guarantee that mistake or unexpected installation adjusting can not cause the accident, and the maximal regulated amount of rotating cam should adopt mechanical system to be limited in 60 °.Obviously original structure that can 360 ° of range regulation can not satisfy its associated safety specification requirement.
As shown in figure 19, the switch module of cam controller use of the prior art is comprised of support 14, common sensitive switch 15, securing member 16.Common sensitive switch is used for action reed by actuated element (push-piece, button, lever, roller etc.) with masterpiece by outer mechanical force, when the action reed is displaced to critical point, produce instantaneous operation, make moving contact and fixed contact quick-make or the disconnection of action reed end.Tend to produce the situation that can not disconnect after the adhesion of action reed.According to the new regulation of associated mechanical forcing press safety standard, the electronics-cam switch of control slide block action must use the quick-action switch with normally-closed contact forced switching-off function.Because it can effectively avoid because of switch contact occur molten can not timely and effective disconnection and cut-off loop, cause forcing press to produce security incident.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of cam controller with forcing cut-off switch is provided, and has adopted the quick-action switch with normally-closed contact forced switching-off function, even molten the potential safety hazard that also do not exist occurs switch contact.
According to the technical scheme that the utility model provides, described cam controller with forcing cut-off switch 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; 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: be provided with stopping means at least two group cam packs, and should be switch with the normally-closed contact forced switching-off function with the corresponding switch of the cam pack of stopping means.
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 stopping 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.
The central angle of described each the first stopper slot is α 2, and the central angle of each the second stopper slot is β 2, and α 2 is with β's 2 with≤60 °.
At described controller case outside installing cables terminal fitting.
The utlity model has following advantage: (1) the utility model adopted have machinery limit cam pack, cam is adjusted (in 60 °) in certain angular range; (2) the utility model has adopted the quick-action switch with normally-closed contact forced switching-off function, even molten the potential safety hazard that also do not exist occurs switch contact.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is outline drawing of the present utility model.
Fig. 3 is the structural representation of cam assembly described in the utility model.
Fig. 4 is the structural representation of cam ring described in the utility model.
Fig. 5 is the rearview of Fig. 4.
Fig. 6 is the A-A cutaway view of Fig. 4.
Fig. 7 is the structural representation of external cam described in the utility model.
Fig. 8 is the B-B cutaway view of Fig. 7.
Fig. 9 is the structural representation of axle sleeve described in the utility model.
Figure 10 is the C-C cutaway view of Fig. 9.
Figure 11 is the D-D cutaway view of Fig. 1.
Figure 12 is the structural representation of external cam of the prior art.
Figure 13 is the F-F cutaway view of Figure 12.
Figure 14 is the structural representation of cam ring of the prior art.
Figure 15 is the rearview of Figure 14.
Figure 16 is the G-G cutaway view of Figure 14.
Figure 17 is the structural representation of axle sleeve of the prior art.
Figure 18 be Figure 17 partly cut open figure.
Figure 19 is the structural representation of switch module of the prior art.
Embodiment
The utility model is described in further detail below in conjunction with concrete accompanying drawing.
Such as Fig. 1 ~ shown in Figure 11: comprise tag 1, controller case 2, camshaft 3, stage clip 4, the first spacer pin 5, the second spacer pin 6, the 3rd stopper slot 7, the 4th stopper slot 8, switch 9, switch bracket 10, cam assembly 11, cam pack 12, external cam 3a, cam ring 3b, axle sleeve 3c etc. with the cam controller of forcing cut-off switch.
As shown in Figure 1 and Figure 2, the utility model comprises controller case 2, is located at cam assembly 11 and switch module in the controller case 2; Described cam assembly 11 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 12 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 corresponding installation of cam pack; Be provided with stopping means at least two group cam packs 12, and should be the switch with the normally-closed contact forced switching-off function with the cam pack 12 corresponding switches 9 of stopping means;
As shown in Figure 3, between adjacent cam pack 12, be provided with stage clip 4; Described cam pack 12 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; 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. 4 ~ shown in Figure 11, described stopping means is one or more the first spacer pin 5 of gear ring inboard, cam ring 3b one side end face, one or more the second spacer pin 6 of cam ring 3b opposite side end face gear ring inboard, one or more the first stopper slot 7 and one or more the second stopper slots 8 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 5 embeds in the first corresponding stopper slot 7 successively, and the second spacer pin 6 embeds in the second corresponding stopper slot 8 successively; Described the first spacer pin 5 can come back rotation along the arc length direction of the first corresponding stopper slot 7, and the second spacer pin 6 can come back rotation along the arc length direction of the second corresponding stopper slot 8; The central angle of described each the first stopper slot 7 is α 2, and the central angle of each the second stopper slot 8 is β 2, and α 2 is with β's 2 with≤60 °;
Described the first spacer pin 5 and the second spacer pin 6 can be that the modes such as riveted joint, welding are fixed on the cam ring, also can adopt integrated form, and its material system can adopt metal, plastics etc.; Each spacer pin and interior relative position relation can change neatly according to the concrete action request of the operating mechanism of its control;
As shown in figure 11, described switch 9 is installed on the controller case 2 by switch bracket 10, switch 9 in the described switch module is the switch with the normally-closed contact forced switching-off function, 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 sensitive switch, 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.
Cam controller with normally-closed contact forced switching-off function switch described in the utility model mainly contains following advantage: (1) the utility model adopted have machinery limit cam pack, cam is adjusted (in 60 °) in certain angular range; (2) the utility model has adopted fine motion or the quick-action switch with normally-closed contact forced switching-off function, even molten the potential safety hazard that also do not exist occurs switch contact.
Claims (5)
1. the cam controller with the pressure cut-off switch comprises controller case (2), is located at cam assembly (11) and switch module in the controller case (2); Described cam assembly (11) comprises that two ends are installed in the interior camshaft (3) of controller case (2) by bearing, at camshaft (3) multiple cams assembly (12) is installed, and is provided with stage clip (4) between adjacent cam pack (12); Described cam pack (12) 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); 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 (12); It is characterized in that: be provided with stopping means at least two group cam packs (12), and should be the switch with the normally-closed contact forced switching-off function with the corresponding switch of cam pack (12) (9) of stopping means.
2. the cam controller with forcing cut-off switch as claimed in claim 1, it is characterized in that: the both sides end face at described cam ring (3b) is provided with gear ring, side end face in described external cam (3a) is provided with gear ring, 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).
3. the cam controller with forcing cut-off switch as claimed in claim 2, it is characterized in that: described stopping means is one or more first spacer pin (5) of gear ring inboard, cam ring (3b) side end face, one or more second spacer pin (6) of cam ring (3b) opposite side end face gear ring inboard, one or more the first stopper slot (7) and one or more the second stopper slots (8) 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 of being arranged on of being arranged on; Described the first spacer pin (5) embeds in corresponding the first stopper slot (7) successively, and the second spacer pin (6) embeds in corresponding the second stopper slot (8) successively; Described the first spacer pin (5) can come back rotation along the arc length direction of corresponding the first stopper slot (7), and the second spacer pin (6) can come back rotation along the arc length direction of corresponding the second stopper slot (8).
4. the cam controller with forcing cut-off switch as claimed in claim 3, it is characterized in that: the central angle of described each the first stopper slot (7) is α 2, and the central angle of each the second stopper slot (8) is β 2, and α 2 is with β's 2 with≤60 °.
5. the cam controller with forcing cut-off switch as claimed in claim 1 is characterized in that: at described controller case (2) outside installing cables terminal fitting (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220417126.5U CN202796508U (en) | 2012-08-22 | 2012-08-22 | Cam controller with forced disconnection switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220417126.5U CN202796508U (en) | 2012-08-22 | 2012-08-22 | Cam controller with forced disconnection switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202796508U true CN202796508U (en) | 2013-03-13 |
Family
ID=47823718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220417126.5U Expired - Lifetime CN202796508U (en) | 2012-08-22 | 2012-08-22 | Cam controller with forced disconnection switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202796508U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102856094A (en) * | 2012-08-22 | 2013-01-02 | 无锡市拓发自控设备有限公司 | Cam controller with forced disconnection switch |
| CN109751449A (en) * | 2019-01-28 | 2019-05-14 | 宁波浒江自控设备有限公司 | A kind of Electric Actuator |
-
2012
- 2012-08-22 CN CN201220417126.5U patent/CN202796508U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102856094A (en) * | 2012-08-22 | 2013-01-02 | 无锡市拓发自控设备有限公司 | Cam controller with forced disconnection switch |
| CN109751449A (en) * | 2019-01-28 | 2019-05-14 | 宁波浒江自控设备有限公司 | A kind of Electric Actuator |
| CN109751449B (en) * | 2019-01-28 | 2024-05-03 | 宁波浒江自控设备有限公司 | Electric actuator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |