CN104493634A - Protection door structure of lathe - Google Patents
Protection door structure of lathe Download PDFInfo
- Publication number
- CN104493634A CN104493634A CN201410730226.7A CN201410730226A CN104493634A CN 104493634 A CN104493634 A CN 104493634A CN 201410730226 A CN201410730226 A CN 201410730226A CN 104493634 A CN104493634 A CN 104493634A
- Authority
- CN
- China
- Prior art keywords
- contactor
- lathe
- normally
- start button
- protective door
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/08—Protective coverings for parts of machine tools; Splash guards
Abstract
The invention belongs to numerical control machine tool equipment, and particularly relates to a structure of a lathe protection door. The protection door structure of a lathe comprises a lathe shell, wherein mobile protection doors are arranged on the upper side and the lower side of the lathe shell; the protection door structure of the lathe is characterized in that a protection door driving mechanism is also arranged on the lathe shell; the driving mechanism comprises driving motors arranged on the inner wall of the top of the lathe shell and further comprises driving screw rods connected to the lathe shell; the driving motors are connected with the driving screw rods; a group of bearing blocks capable of moving is arranged on the driving screw rods; the upper ends of the protection doors are connected to the bearing blocks. When the lathe is started, the protection doors are automatically closed, so that the problem of the safety risk of manual operation in the prior art is solved; the safety problem caused by a fact that an operator does not close the protection doors is avoided.
Description
Technical field
The invention belongs to Digit Control Machine Tool equipment, particularly a kind of structure of machine tool protection door.
Background technology
Digit Control Machine Tool operationally can produce a large amount of cuttings, because the rotary speed of cutting tool is very fast, chip may be made to splash, easily cause operating personnel on hand, therefore in numerical control device, be all provided with protective door in prior art, but existing protective door is all manual operation, need manually to close the door, the awareness of safety of some operating personnel is poor, and may can not initiatively close the door, this just exists certain security risk.
Summary of the invention
The present invention is in order to overcome the deficiency of above-mentioned technical problem, and the present invention devises a kind of machine tool protection door that can automatically close when lathe starts.
The present invention is achieved through the following technical solutions:
The protective door structure of lathe, it comprises lathe housing, the both sides up and down of lathe housing are provided with moveable protective door, it is characterized in that: described lathe housing is also provided with protective door driving mechanism, the inwall that described driving mechanism comprises the top of lathe housing is provided with drive motors, also comprise the driving leading screw be connected on lathe housing, drive motors is connected with driving leading screw, described driving leading screw is provided with one group of transportable carrier block, the upper end of protective door is connected on carrier block.
Also comprise the control circuit for controlling two drive motors, two drive motors are the first motor and the second motor, described control circuit, also comprise the first contactor that connection controls the first motor rotating forward on the line, control the second contactor of the first motor overturning, and control the second motor rotates and reverse the 3rd contactor and the 4th contactor, it is characterized in that: also comprise the stop button SB1 be connected between circuit, and the rotating forward start button SB2 to be connected with stop button SB1, rotate forward the normally closed electric shock that start button SB2 is connected with the second contactor KM2, the normally closed electric shock of the second contactor KM2 is connected with the first contactor KM1, first contactor KM1 is connected with the first thermal fuse F R1, , reversion start button SB3 is connected in parallel to after stop button SB1, reversion start button SB3 is connected with the normally closed electric shock of the first contactor KM1, the normally-closed contact of the first contactor KM1 is connected with the second contactor KM2, the normally-closed contact of the 4th contactor is parallel with after rotating forward start button SB2, the normally-closed contact of the 4th contactor is connected with the 3rd contactor, 3rd contactor is connected with the second thermal fuse F R2, the normally-closed contact of the 3rd contactor is parallel with after reversion start button SB3, the normally-closed contact of the 3rd contactor is connected with the 4th contactor, 4th contactor is connected with the second thermal cut-off, also comprise the normally opened contact of first contactor in parallel with rotating forward start button SB2, the normally opened contact of the first contactor is also connected with the normally-closed contact of the 4th contactor, also comprise the normally opened contact of four contactor in parallel with reversion start button SB3, the normally opened contact of the 4th contactor is also connected with the 3rd contact of the 3rd contactor.
Also comprise the power supply indicator be connected between circuit.
Also comprise the first indicator lamp be connected between circuit, the first indicator lamp is connected with the normally opened contact of the first contactor.
In sum, the present invention has following beneficial effect:
The structure of the present invention to machine tool protection door is improved, devising one can protective door automatically, when lathe starts, automatically protective door can be closed, overcomes in prior art the security risk needing manual operation to exist, avoid because operating personnel the safety problem of not closing protective door and causing, in addition, the start-up circuit of control circuit of the present invention and lathe achieves interlock, when lathe starts, also start protective door driving mechanism simultaneously, achieve the automatic closedown of protective door.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is structural representation of the present invention;
Fig. 2 is front elevational schematic of the present invention;
Fig. 3 is the connection diagram of the first motor and circuit;
Fig. 4 is the connection diagram of the second motor and circuit;
Fig. 5 is control circuit figure;
In figure, 1 is lathe housing, and 2 is drive motors, and 3 for driving leading screw, and 4 is protective door, and 5 is carrier block.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described further.
The protective door structure of lathe as depicted in figs. 1 and 2, it comprises lathe housing 1, the both sides up and down of lathe housing 1 are provided with moveable protective door 4, it is characterized in that: described lathe housing 4 is also provided with protective door driving mechanism, the inwall that described driving mechanism comprises the top of lathe housing 1 is provided with drive motors 2, also comprise the driving leading screw 3 be connected on lathe housing 1, drive motors 2 is connected with driving leading screw 3, described driving leading screw 3 is provided with one group of transportable carrier block 5, the upper end of protective door 4 is connected on carrier block 5.
Also comprise the control circuit for controlling two drive motors, two drive motors are the first motor and the second motor, described control circuit, also comprise the first contactor that connection controls the first motor rotating forward on the line, control the second contactor of the first motor overturning, and control the second motor rotates and reverse the 3rd contactor and the 4th contactor, it is characterized in that: also comprise the stop button SB1 be connected between circuit, and the rotating forward start button SB2 to be connected with stop button SB1, rotate forward the normally closed electric shock that start button SB2 is connected with the second contactor KM2, the normally closed electric shock of the second contactor KM2 is connected with the first contactor KM1, first contactor KM1 is connected with the first thermal fuse F R1, , reversion start button SB3 is connected in parallel to after stop button SB1, reversion start button SB3 is connected with the normally closed electric shock of the first contactor KM1, the normally-closed contact of the first contactor KM1 is connected with the second contactor KM2, the normally-closed contact of the 4th contactor is parallel with after rotating forward start button SB2, the normally-closed contact of the 4th contactor is connected with the 3rd contactor, 3rd contactor is connected with the second thermal fuse F R2, the normally-closed contact of the 3rd contactor is parallel with after reversion start button SB3, the normally-closed contact of the 3rd contactor is connected with the 4th contactor, 4th contactor is connected with the second thermal cut-off, also comprise the normally opened contact of first contactor in parallel with rotating forward start button SB2, the normally opened contact of the first contactor is also connected with the normally-closed contact of the 4th contactor, also comprise the normally opened contact of four contactor in parallel with reversion start button SB3, the normally opened contact of the 4th contactor is also connected with the 3rd contact of the 3rd contactor, rotating forward start button in present embodiment and the start button of lathe link, described upset start button and the stop button of lathe link.
Also comprise the power supply indicator be connected between circuit.
Also comprise the first indicator lamp be connected between circuit, the first indicator lamp is connected with the normally opened contact of the first contactor.
In sum, the present invention has following beneficial effect:
The structure of the present invention to machine tool protection door is improved, devising one can protective door automatically, when lathe starts, automatically protective door can be closed, overcomes in prior art the security risk needing manual operation to exist, avoid because operating personnel the safety problem of not closing protective door and causing, in addition, the start-up circuit of control circuit of the present invention and lathe achieves interlock, when lathe starts, also start protective door driving mechanism simultaneously, achieve the automatic closedown of protective door.
The present invention is not limited to described embodiment, and those skilled in the art, not departing from spirit of the present invention namely openly in scope, still can do some and revise or change, therefore the scope that the scope of the present invention limits with claims is as the criterion.
Claims (4)
1. the protective door structure of lathe, it comprises lathe housing, the both sides up and down of lathe housing are provided with moveable protective door, it is characterized in that: described lathe housing is also provided with protective door driving mechanism, the inwall that described driving mechanism comprises the top of lathe housing is provided with drive motors, also comprise the driving leading screw be connected on lathe housing, drive motors is connected with driving leading screw, described driving leading screw is provided with one group of transportable carrier block, the upper end of protective door is connected on carrier block.
2. the protective door structure of lathe according to claim 1, it is characterized in that: also comprise the control circuit for controlling two drive motors, two drive motors are the first motor and the second motor, described control circuit, also comprise the first contactor that connection controls the first motor rotating forward on the line, control the second contactor of the first motor overturning, and control the second motor rotates and reverse the 3rd contactor and the 4th contactor, it is characterized in that: also comprise the stop button SB1 be connected between circuit, and the rotating forward start button SB2 to be connected with stop button SB1, rotate forward the normally closed electric shock that start button SB2 is connected with the second contactor KM2, the normally closed electric shock of the second contactor KM2 is connected with the first contactor KM1, first contactor KM1 is connected with the first thermal fuse F R1, , reversion start button SB3 is connected in parallel to after stop button SB1, reversion start button SB3 is connected with the normally closed electric shock of the first contactor KM1, the normally-closed contact of the first contactor KM1 is connected with the second contactor KM2, the normally-closed contact of the 4th contactor is parallel with after rotating forward start button SB2, the normally-closed contact of the 4th contactor is connected with the 3rd contactor, 3rd contactor is connected with the second thermal fuse F R2, the normally-closed contact of the 3rd contactor is parallel with after reversion start button SB3, the normally-closed contact of the 3rd contactor is connected with the 4th contactor, 4th contactor is connected with the second thermal cut-off, also comprise the normally opened contact of first contactor in parallel with rotating forward start button SB2, the normally opened contact of the first contactor is also connected with the normally-closed contact of the 4th contactor, also comprise the normally opened contact of four contactor in parallel with reversion start button SB3, the normally opened contact of the 4th contactor is also connected with the 3rd contact of the 3rd contactor.
3. bi-motor synchronization control circuit according to claim 2, is characterized in that: also comprise the power supply indicator be connected between circuit.
4. bi-motor synchronization control circuit according to claim 2, is characterized in that: also comprise the first indicator lamp be connected between circuit, the first indicator lamp is connected with the normally opened contact of the first contactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410730226.7A CN104493634A (en) | 2014-12-04 | 2014-12-04 | Protection door structure of lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410730226.7A CN104493634A (en) | 2014-12-04 | 2014-12-04 | Protection door structure of lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104493634A true CN104493634A (en) | 2015-04-08 |
Family
ID=52935134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410730226.7A Pending CN104493634A (en) | 2014-12-04 | 2014-12-04 | Protection door structure of lathe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104493634A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106345934A (en) * | 2016-08-30 | 2017-01-25 | 江苏大学 | Automatic safety gate with photoelectric protection for pressing |
| CN109128986A (en) * | 2018-10-20 | 2019-01-04 | 安徽省临泉县智创精机有限公司 | A kind of processing protective device of numer centre |
-
2014
- 2014-12-04 CN CN201410730226.7A patent/CN104493634A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106345934A (en) * | 2016-08-30 | 2017-01-25 | 江苏大学 | Automatic safety gate with photoelectric protection for pressing |
| CN106345934B (en) * | 2016-08-30 | 2018-04-03 | 江苏大学 | A kind of automatic safety door with photoelectric protection for punching press |
| CN109128986A (en) * | 2018-10-20 | 2019-01-04 | 安徽省临泉县智创精机有限公司 | A kind of processing protective device of numer centre |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150408 |
|
| WD01 | Invention patent application deemed withdrawn after publication |