CN201183332Y - Pneumatic braking device for press machine safety device - Google Patents
Pneumatic braking device for press machine safety device Download PDFInfo
- Publication number
- CN201183332Y CN201183332Y CNU2008201104031U CN200820110403U CN201183332Y CN 201183332 Y CN201183332 Y CN 201183332Y CN U2008201104031 U CNU2008201104031 U CN U2008201104031U CN 200820110403 U CN200820110403 U CN 200820110403U CN 201183332 Y CN201183332 Y CN 201183332Y
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- Prior art keywords
- brake tooth
- brake
- tooth
- guide pin
- piston
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Abstract
The utility model relates to a safety protecting device for a pressing machine and is a pneumatic brake applied to the safety protecting device of a pressing machine. The safety protecting device for a pressing machine comprises a brake tooth and a double-acting cylinder, and the output end of the piston rod of the double-acting cylinder is fixedly connected with the brake tooth. As an improvement, the safety protecting device for a pressing machine also comprises a brake tooth bracket and a buffer spring, the guide pin of the brake tooth penetrates the brake tooth and the buffer spring in sequence and is fixed on the brake tooth bracket, and the brake tooth is in threaded connected with the piston rod. The brake tooth is provided with a left tooth and a right tooth, the right tooth is shaped like a right trapezoid and the left tooth is provided with a cylindrical roller. The safety protecting device for a pressing machine is used together with a safety light curtain, a slider locator, an electric control box and an air pump to constitute a safety protecting device for the pressing machine. The brake adopts pneumatic control and has long service life, convenient maintenance as well as low cost. The brake tooth is provided with a cylindrical roller and the friction force between the brake and the operating key of a clutch can be greatly reduced, thereby the service life of the brake tooth is prolonged.
Description
Technical field
The utility model relates to a kind of forcing press safety guard, particularly relates to a kind of pneumatic braking device that is used for the forcing press safety guard.
Background technology
Forcing press (punch press, lathe) generally all need dispose safety guard in actual production, otherwise security incident takes place the operator easily.Forcing press safety guard in the market; all require forcing press (lathe, punch press) is reequiped or increased the job key that specialized spare part (as: clutch discs, ratchet etc.) comes controlled pressure machine clutch; press machine clutch separates or closed function reaching; this protective device versatility is not strong; more difficult large-scale promotion market; under the situation of operate as normal, they all are to work continually at random, directly influence the service life of safety guard simultaneously.
For this reason; application number is: the brake of the rigidity forcing press safety guard of 200620106676X has proposed a kind of safety guard that overcomes above-mentioned shortcoming; it is made up of infrared transmitter, infrared remote receiver, solid-state voltage stabilizing small power supply and electromagnetic brake; wherein electromagnetic brake comprises clutch discs, brake and electromagnet part, and electromagnet portion and brake groups are integral.During the forcing press operate as normal, electromagnetic actuation, clutch discs is rotated with press machine clutch and press crankshaft, carries out press work.When staff or other object mistake stretches into the hazardous area; the infrared remote receiver signal is blocked; the electromagnet outage; iron core moves down voluntarily and is promoted brake tooth rapidly by the big stage clip of electromagnet part; brake tooth blocks clutch discs immediately; the static press machine clutch that makes of clutch discs separates rapidly with flywheel, makes slide block down can reach the purpose of safeguard protection in any position by brake hard during punching press.
This shows that also there is weak point in said apparatus, it mainly ejects brake tooth by the elastic force effect of big stage clip, blocks the job key of press machine clutch, because frequent operation, the elastic force of big stage clip descends, and makes the performance of brake also descend thereupon; And brake reset (brake off) be to reach by force by the high-intensity magnetic field that restraining coil produces by high-tension electricity, institute is bigger to other gas spare damage, the fault rate height.
The utility model content
Technical problem to be solved in the utility model is that performance descends after being used for the brake frequent operation use of forcing press safeguard protection, fault rate height, the inconvenient problem of maintenance.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopted provides a kind of pneumatic braking device that is used for the forcing press safety guard, and it comprises brake tooth and double-acting cylinder, and the output of double-acting air cylinder piston bar is fixedlyed connected with brake tooth.
Double-acting cylinder described in the utility model comprises cylinder block, upper end cover, piston and piston rod, the upper end of described upper end cover and cylinder block is tightly connected, described piston is arranged in the cylinder block and is divided into the upper and lower chamber of two sealings, upper and lower chamber is respectively equipped with port, and described piston rod is connected with piston thread.
As improvement of the present utility model, it also comprises brake tooth support, brake tooth guide pin, buffer spring and pin for suppressing metal, and described brake tooth guide pin is a multidiameter; Described brake tooth is provided with brake tooth guide pin mounting hole; Have the groove that can hold brake tooth on the described brake tooth support, be respectively equipped with the brake tooth guide pin that matches with the brake tooth guide pin on the two side of groove through hole is installed, minor diameter is installed through hole and is arranged on brake tooth buffering moving direction one side; The brake tooth guide pin installs brake tooth support, brake tooth and buffering spring and brake tooth and brake tooth guide pin successively and fixes with pin for suppressing metal; The upper end of brake tooth support is connected with piston rod thread.
Further, in order to reduce the brake tooth wearing and tearing, the utility model brake tooth is provided with roller.Two teeth about brake tooth is provided with, the longitudinal profile of right tooth are right-angled trapezium, and right-angle side is arranged on the left side, and the left tooth upper edge brake tooth direction of motion has open slot, and described roller is fixed in the open slot of left tooth and can rotates along self axis.
When the utility model, brake adopt pneumatic self-locking, long service life, easy to maintenance, cost is low.Brake tooth is provided with roller can significantly reduce frictional force between brake tooth and the clutch job key, thereby prolongs the service life of brake tooth.
Description of drawings
Fig. 1 is a structure chart of the present utility model;
Fig. 2 is the left view of Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is made detailed explanation.
As shown in Figure 1, the utility model comprises brake tooth 12 and double-acting cylinder, and the output of double-acting air cylinder piston bar is fixedlyed connected with brake tooth 12.
Double-acting cylinder described in the utility model comprises cylinder block 4, upper end cover 1, piston 2 and piston rod 3, upper end cover 1 is tightly connected with the upper end of cylinder block 4, piston 2 is arranged in the cylinder block 4 and is divided into the upper and lower chamber 16,15 of two sealings, upper and lower chamber 16,15 is respectively equipped with port 17 and 14, and described piston rod 3 is threaded with piston 2.
As improvement of the present utility model, it also comprises brake tooth support 5, brake tooth guide pin 11, buffer spring 6 and pin for suppressing metal 9, and brake tooth guide pin 11 is a multidiameter; Brake tooth 12 is provided with brake tooth guide pin mounting hole; Have the groove that can hold brake tooth 12 on the brake tooth support 5, be respectively equipped with the brake tooth guide pin that matches with brake tooth guide pin 11 on the two side of groove through hole is installed, wherein through hole is installed and is arranged on brake tooth buffering moving direction one side than the brake tooth guide pin of minor diameter; Brake tooth guide pin 11 installs brake tooth support 5, brake tooth 12 and buffering spring 6 successively and brake tooth 12 is fixing with brake tooth guide pin 11 usefulness pins for suppressing metal 9.
Further, in order to reduce the wearing and tearing of brake tooth 12, the utility model brake tooth 12 is provided with roller 8.Two teeth 7 and 10 about brake tooth 12 is provided with, the longitudinal profile of right tooth 10 is a right-angled trapezium, and right-angle side is arranged on the left side, and the left tooth 7 upper edge brake tooth directions of motion have open slot 20, and roller 8 is fixed in the open slot 20 of left tooth 7 and rotates along self axis.
The utility model and safe light curtain, slide block locator and electric control box and the supporting use of air pump constitute the forcing press safety guard.Assembling the utility model lathe need not done any repacking, does not need to increase other parts yet.Duty of the present utility model is: lathe under normal operation gas by 14 air inlets of lower piston port to lower piston chambers, the exhaust of upper piston chamber, this moment, piston 2 was carried on drive piston rod 3 and the brake holder 5 under the power of the top of gas, and brake tooth 12 separates with the clutch job key.In case the violating the regulations or faulty operation of operating personnel occurs; the hand that is to say the operator is also in the deathtrap of lathe; perhaps the lathe slide block has begun to move downward and the operator stretches into hand the hazardous area more; the slide block locator is in the shading state with respect to light pipe; therefore safe light curtain is in the shading state; so electric control box sends braking instruction and makes 16 air inlets of upper piston chamber; lower piston chambers 15 venting simultaneously; because increasing, the gas pressure in the upper piston chamber 16 make piston 2 to lower slider; so drive piston rod 3 and brake tooth support 5 to lower slider; make the brake tooth 12 retaining letter lathe clutch job keys on the brake holder 5; clutch separates rapidly, thereby the slide block stop motion has reached the purpose of safeguard protection.
For wearing and tearing and the minimizing maintenance cost that reduces the brake tooth support, the utility model also is provided with sliding sleeve 13, the bottom of the cylinder block 4 of double-acting cylinder is provided with the sliding sleeve installing hole along the piston direction of motion, and sliding sleeve 13 is inserted in the sliding sleeve installing hole of cylinder block and interference fits with it.Also be provided with the brake tooth support on the sliding sleeve 13 through hole is installed, brake tooth support 5 is inserted in the sliding sleeve 13 and matched in clearance with it; The upper end of brake tooth support 5 is threaded with piston rod 3.Sliding sleeve is generally copper sheathing.When sliding sleeve 13 wearing and tearing are big, can directly more renew and saved cost greatly.
The utility model is not limited to above-mentioned preferred forms, and anyone should learn the structural change of making under enlightenment of the present utility model, every with the utlity model has identical or close technical scheme, all fall within the protection domain of the present utility model.
Claims (6)
1, a kind of pneumatic braking device that is used for the forcing press safety guard comprises brake tooth, it is characterized in that it also comprises double-acting cylinder, and the output of described double-acting air cylinder piston bar is fixedlyed connected with brake tooth.
2, the pneumatic braking device of forcing press safety guard according to claim 1; it is characterized in that described double-acting cylinder comprises cylinder block, upper end cover, piston and piston rod; the upper end of described upper end cover and cylinder block is tightly connected; described piston is arranged in the cylinder block and is divided into the upper and lower chamber of two sealings; upper and lower chamber is respectively equipped with port, and described piston rod is connected with piston thread.
3, the pneumatic braking device of forcing press safety guard according to claim 1 is characterized in that it also comprises brake tooth support, brake tooth guide pin, buffer spring and pin for suppressing metal, and described brake tooth guide pin is a multidiameter; Described brake tooth is provided with brake tooth guide pin mounting hole; Have the groove that can hold brake tooth on the described brake tooth support, be respectively equipped with the brake tooth guide pin that matches with the brake tooth guide pin on the two side of groove through hole is installed, minor diameter is installed through hole and is arranged on brake tooth buffering moving direction one side; The brake tooth guide pin installs brake tooth support, brake tooth and buffering spring and brake tooth and brake tooth guide pin successively and fixes with pin for suppressing metal; The upper end of brake tooth support is connected with piston rod thread.
4, the pneumatic braking device of forcing press safety guard according to claim 2 is characterized in that it also comprises sliding sleeve, and described sliding sleeve is provided with piston rod through hole is installed, and piston rod is inserted in the through hole of sliding sleeve and matched in clearance with it; The cylinder block bottom of described double-acting cylinder is provided with the sliding sleeve installing hole along the piston direction of motion, and sliding sleeve is inserted in the sliding sleeve installing hole of cylinder block and interference fits with it.
5, according to the pneumatic braking device of claim 1 to 4 a described forcing press safety guard of each claim; it is characterized in that it also comprises roller; two teeth about described brake tooth is provided with; the longitudinal profile of right tooth is a right-angled trapezium; right-angle side is arranged on the left side; tooth upper edge, the left side brake tooth direction of motion has open slot, and described roller is fixed in the open slot of left tooth and rotates along self axis.
6, the pneumatic braking device of forcing press safety guard according to claim 4 is characterized in that described sliding sleeve is a copper sheathing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201104031U CN201183332Y (en) | 2008-04-15 | 2008-04-15 | Pneumatic braking device for press machine safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201104031U CN201183332Y (en) | 2008-04-15 | 2008-04-15 | Pneumatic braking device for press machine safety device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201183332Y true CN201183332Y (en) | 2009-01-21 |
Family
ID=40271068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201104031U Expired - Fee Related CN201183332Y (en) | 2008-04-15 | 2008-04-15 | Pneumatic braking device for press machine safety device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201183332Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102756051A (en) * | 2012-06-28 | 2012-10-31 | 浙江金澳兰机床有限公司 | Flywheel brake device for punch press |
-
2008
- 2008-04-15 CN CNU2008201104031U patent/CN201183332Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102756051A (en) * | 2012-06-28 | 2012-10-31 | 浙江金澳兰机床有限公司 | Flywheel brake device for punch press |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090121 Termination date: 20170415 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |