CN110757238A - Intelligent protection type digit control machine tool - Google Patents
Intelligent protection type digit control machine tool Download PDFInfo
- Publication number
- CN110757238A CN110757238A CN201911052477.3A CN201911052477A CN110757238A CN 110757238 A CN110757238 A CN 110757238A CN 201911052477 A CN201911052477 A CN 201911052477A CN 110757238 A CN110757238 A CN 110757238A
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- China
- Prior art keywords
- machine tool
- belt wheel
- protective door
- power supply
- spindle box
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- 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
- B23Q11/0891—Protective coverings for parts of machine tools; Splash guards arranged between the working area and the operator
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Devices For Machine Tools (AREA)
Abstract
The invention discloses an intelligent protection type numerical control machine tool, wherein a protection door comprises a left protection door and a right protection door; the driving component is used for driving the left and right protective doors to approach or depart from each other; the first connecting structure can realize the power supply electrification of the tool rest; the second connecting structure can realize the power supply electrification of the spindle box; and the main switch is used for respectively controlling the tool rest and the spindle box to be started, and is respectively electrically connected with the first connecting structure and the second connecting structure. The machine tool can start to work only by starting the main switch under the condition that the power source of the tool rest and the power source of the main spindle box are both electrified; and the power supply of knife rest then just can be put through under the condition that the machine tool door was closed completely, and then has guaranteed that under the condition that the machine tool door was closed completely, the lathe just can start, has effectively avoided the appearance of potential safety hazard, and the lathe security is high.
Description
Technical Field
The invention belongs to the technical field of numerical control machine tools, and particularly relates to an intelligent protection type numerical control machine tool.
Background
The numerical control machine tool is a digital control machine tool for short, and is an automatic machine tool provided with a program control system. The numerical control machine tool well solves the problem of machining of complex, precise, small-batch and various parts, is a flexible and high-efficiency automatic machine tool, represents the development direction of the control technology of modern machine tools, and is a typical mechanical and electrical integration product.
However, the existing numerical control machine tool has certain potential safety hazard in the machining process, the machine tool starts to work under the condition that a worker does not shut down the machine tool door or the machine tool door is not completely closed, flying chips and the like generated in the machining process of the machine tool easily injure operators, and the safety is low.
Disclosure of Invention
The invention provides an intelligent protection type numerical control machine tool with high safety in order to overcome the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: an intelligent protection type numerical control machine tool comprises a machine tool body and a protection door matched with the machine tool body, wherein the protection door comprises
A left guard door and a right guard door;
the driving component is used for driving the left protective door and the right protective door to approach or separate from each other and comprises a rotating handle, a first belt wheel fixedly connected with the rotating handle, a second belt wheel connected with the first belt wheel through a belt in a transmission manner, a third belt wheel coaxially arranged with the second belt wheel, a fourth belt wheel connected with the third belt wheel through a first transmission belt, a first gear coaxially arranged with the fourth belt wheel, a second gear meshed with the first gear, a fifth belt wheel coaxially arranged with the second gear and a sixth belt wheel connected with the fifth belt wheel through a second transmission belt; the left protective door is connected with the first transmission belt, and the right protective door is connected with the second transmission belt;
the first connecting structure can realize the power supply electrification of the tool rest;
the second connecting structure can realize the power supply electrification of the spindle box;
and the main switch is used for respectively controlling the tool rest and the spindle box to be started, and is respectively electrically connected with the first connecting structure and the second connecting structure.
In the invention, the machine tool can start to work only by starting the main switch under the condition that the power source of the tool rest and the power source of the main spindle box are both electrified; and the power supply of knife rest then just can be put through under the condition that the machine tool door was closed completely, and then has guaranteed that under the condition that the machine tool door was closed completely, the lathe just can start, has effectively avoided the appearance of potential safety hazard, and the lathe security is high.
The tool rest and the spindle box are respectively and electrically connected with an external power supply through electric wires, the first connecting structure comprises a worm fixedly connected with the second belt wheel, a worm wheel meshed with the worm, a threaded section arranged on a central shaft of the worm wheel, a moving seat capable of moving along the threaded section in the rotation process of the worm wheel, a socket arranged on the moving seat and a plug arranged on the end part of the threaded section, the socket is two symmetrically arranged copper sheets, the middle of each copper sheet is arranged in an arch structure, and the plug can be inserted into a position between the arch parts of the two copper sheets; in the process that the left protective door and the right protective door are close to each other, the movable seat moves relative to the thread section, so that the plug is inserted into the two copper sheets; preferably, when the left and right protective doors are completely closed, the plug is just completely inserted between the two copper sheets, so that the situation that the machine tool is started cannot occur if the left and right protective doors are not closed, and good safety protection is realized; and the worm gear, the screw rod, the gear and the like are adopted for transmission, the transmission precision is accurate, and even after long-term use, when the left protective door and the right protective door are completely closed, the plug is inserted into the two copper sheets, so that the failure rate is low.
The second connecting structure comprises a fixed seat arranged on the spindle box, an open slot arranged on the fixed seat, a rotating sleeve rotatably arranged in the open slot, a conducting strip arranged at the bottom of the open slot, a hydraulic rod fixedly arranged on the first belt pulley, a plug-in connector connected with the hydraulic rod, a plurality of convex teeth arranged on the plug-in connector, clamping grooves arranged on the inner wall of the rotating sleeve and used for the convex teeth to be inserted, an insertion part formed between the two clamping grooves, an inclined plane arranged on the end face of the insertion part and a switch button arranged on the rotating handle, and when the switch button is pressed, the hydraulic rod is started; with the structure, when the handle is rotated to drive the protective door to close, the switch button can be pressed, so that the hydraulic rod is started to push the plug connector to be inserted into the open slot, the time consumption of preparation work is reduced, the power supplies of the tool rest and the spindle box are communicated after the protective door is closed, and the working efficiency is improved; moreover, the rotating sleeve can rotate, so that even if the plug connector rotates under the action of the handle in the forward moving process, the plug connector can still be inserted into the open slot, and the plugging operation is smooth; secondly, the setting of inclined plane makes grafting portion can follow the slow insertion to the open slot in of inclined plane, and the inclined plane makes the contact between grafting portion and the draw-in groove more laminate after inserting, and the cover is preferably made for the copper material to rotate, has comparatively good electric conductivity, guarantees that the power of headstock is connected well.
The manual opening device is used for realizing that the protective door can be opened under manual control in the machine tool work engineering; the method and the device ensure that the machine tool door can be opened under the condition that the machine tool needs to be opened under emergency conditions without influencing the work of the machine tool.
The manual opening device comprises a connecting shaft fixedly arranged on the second belt pulley, a through hole arranged on the third belt pulley and allowing the connecting shaft to pass through, a moving cylinder sleeved on the connecting shaft and capable of moving back and forth relative to the through hole, a rotation stopping convex part arranged on the outer wall of the front part of the moving cylinder, a smooth section positioned at the rear part of the moving cylinder, a rotation stopping groove arranged on the inner wall of the through hole and allowing the rotation stopping convex part to be inserted, a disc connected with the moving cylinder through a plurality of connecting rods, an inserting column arranged on the inner surface of the disc, a column groove arranged on the connecting shaft and allowing the inserting column to penetrate through, a plurality of inserting parts arranged on the outer wall of the inserting groove and a slot arranged in the column groove and allowing the inserting parts; when the protective door is manually opened, the movable barrel is manually pulled out, so that the rotation stop between the second belt wheel and the third belt wheel is released, the cooperation between the plug and the copper sheet is not influenced while the protective door is manually moved, the normal working state of the machine tool can be maintained, and the influence of the opening of the protective door is avoided; the structure of the rotation stopping matching is set to be the structure of the insertion column, the rotation stopping convex part and the plurality of insertion parts, so that the friction force generated between the moving cylinder and the belt wheel in the rotating process is large, and the condition that the moving cylinder generates axial movement in the rotating process of the belt wheel cannot occur.
The machine tool power supply device further comprises a standby power supply device which is used for supplying electric energy to the machine tool when the external power supply is powered off.
The standby power supply device comprises a housing, a storage battery arranged in the housing, an electromagnet and a permanent magnet arranged in the housing, a magnet seat arranged above the housing, an electric connection plate arranged between the magnet seat and the housing, and a metal sheet arranged on a negative electrode of the storage battery and capable of being electrically connected with the electric connection plate; under the condition that the machine tool is normally electrified, the electromagnet is electrified to counteract the magnetic force of the permanent magnet and then repel the magnet seat, so that the electric connection plate and the metal sheet are always kept in a non-contact state; and when external power supply outage, the electro-magnet will lose magnetism, and then the permanent magnet will attract the magnet seat for connect electric plate and sheetmetal to contact each other, supply power to equipment through the battery, effectively guaranteed that external power supply connects electric plate and sheetmetal when the circular telegram and all can not take place the contact, avoid the electric quantity of battery to produce the unnecessary extravagant.
The positive pole of the storage battery, the power source of the spindle box and the power source of the tool rest are respectively connected with the positive pole of an external power supply in parallel, and the power receiving plate, the power source of the spindle box and the power source of the tool rest are respectively connected with the negative pole of the external power supply in parallel.
The machine tool can start to work only by starting the main switch under the condition that the power source of the tool rest and the power source of the main spindle box are both electrified; and the power supply of knife rest then just can be put through under the condition that the machine tool door was closed completely, and then has guaranteed that under the condition that the machine tool door was closed completely, the lathe just can start, has effectively avoided the appearance of potential safety hazard, and the lathe security is high.
Drawings
Fig. 1 is a first structural schematic diagram of the present invention.
Fig. 2 is a second structural schematic diagram of the present invention.
FIG. 3 is a partial schematic view of the present invention.
Fig. 4 is a perspective sectional view of a portion of the structure of the present invention.
Fig. 5 is a perspective sectional view of a secondary battery according to the present invention.
Fig. 6 is a third schematic structural diagram of the present invention.
Fig. 7 is an enlarged view of a portion a in fig. 6.
Fig. 8 is a schematic structural diagram of a main circuit in the present invention.
Detailed Description
As shown in fig. 1-8, an intelligent protection type numerical control machine tool comprises a machine tool body and a protection door matched with the machine tool body, wherein the protection door comprises a left protection door 11 and a right protection door 12, a driving part for driving the left protection door and the right protection door to approach to or depart from each other, a first connection structure for realizing the power supply energization of a tool rest, a second connection structure for realizing the power supply energization of a spindle box, and a main switch 3 for respectively controlling the tool rest and the spindle box to start, wherein the main switch 3 is respectively electrically connected with the first connection structure and the second connection structure; specifically, as shown in fig. 8, the positive electrode of the battery 72, the power source of the spindle box, and the power source of the tool rest are connected in parallel with the positive electrode of the external power source, respectively, and the power receiving plate 76, the power source of the spindle box, and the power source of the tool rest are connected in parallel with the negative electrode of the external power source, respectively.
Specifically, the driving component includes a rotating handle 21, a first belt pulley 22 fixedly connected with the rotating handle, a second belt pulley 23 in transmission connection with the first belt pulley through a belt 210, a third belt pulley 24 coaxially arranged with the second belt pulley, a fourth belt pulley 25 connected with the third belt pulley through a first transmission belt 211, a first gear 26 coaxially arranged with the fourth belt pulley, a second gear 27 engaged with the first gear, a fifth belt pulley 28 coaxially arranged with the second gear, and a sixth belt pulley 29 connected with the fifth belt pulley through a second transmission belt 212; the left guard door 11 is connected to the first belt 211, and the right guard door 12 is connected to the second belt 121.
The tool rest and the spindle box are respectively and electrically connected with an external power supply through electric wires, the first connecting structure comprises a worm 41 fixedly connected with the second belt wheel, a worm gear 42 meshed with the worm, a threaded section arranged on a central shaft of the worm gear, a moving seat 44 capable of moving along the threaded section in the rotation process of the worm gear, a socket 45 arranged on the moving seat and a plug 46 arranged on the end part of the threaded section, the socket 45 comprises two symmetrically arranged copper sheets, the middle of each copper sheet is arranged in an arched structure, and the plug 46 can be inserted into a position between the arched parts of the two copper sheets; in the process that the left and right protective doors approach each other, the movable base 44 moves relative to the threaded section, so that the plug 46 is inserted into the two copper sheets, and the plug is also made of metal, preferably made of copper material, and has a relatively large conductive capacity.
The second connecting structure comprises a fixed seat 51 arranged on the spindle box, an open slot 52 arranged on the fixed seat, a rotating sleeve 53 rotatably arranged in the open slot, a conducting strip 54 arranged at the bottom of the open slot, a hydraulic rod 55 fixedly arranged on the first belt pulley, a plug-in connector 56 connected with the hydraulic rod, a plurality of convex teeth 57 arranged on the plug-in connector, a clamping slot 58 arranged on the inner wall of the rotating sleeve and used for inserting the convex teeth, a plug-in part 59 formed between the two clamping slots, an inclined plane 510 arranged on the end face of the plug-in part and a switch button 511 arranged on the rotating handle, wherein when the switch button 511 is pressed, the hydraulic rod 55 is started; the conducting strip is made of metal, the rotating sleeve is also made of metal, and the plug connector is also made of metal and has conductivity.
The manual opening device is used for realizing that the protective door can be opened under manual control in the machine tool work engineering; the manual opening device specifically comprises a connecting shaft 61 fixedly arranged on the second belt wheel, a through hole which is arranged on the third belt wheel and is used for the connecting shaft to pass through, a moving cylinder 62 which is sleeved on the connecting shaft and can move back and forth relative to the through hole, a rotation stopping convex part 63 arranged on the outer wall of the front part of the moving cylinder, a smooth section positioned at the rear part of the moving cylinder, a rotation stopping groove which is arranged on the inner wall of the through hole and is used for inserting the rotation stopping convex part, a disc 66 which is connected with the moving cylinder through a plurality of connecting rods, an inserting column 67 arranged on the inner surface of the disc, a column groove which is arranged on the connecting shaft and is used for inserting the inserting column, a plurality of inserting parts 69 arranged on the outer wall of the inserting groove and a.
The standby power supply device is used for providing electric energy for the machine tool when the external power supply is powered off; the standby power supply device specifically comprises a housing 71, a storage battery 72 arranged in the housing, an electromagnet 73 and a permanent magnet 74 arranged in the housing, a magnet seat 75 arranged at the upper position of the housing, an electric connection plate 76 arranged between the magnet seat and the housing, and a metal sheet 77 arranged on the negative electrode of the storage battery and electrically connected with the electric connection plate, wherein the metal sheet is preferably a copper sheet.
The machine tool body is an existing numerical control machine tool, belongs to the prior art, and is not described in detail; and the tool rest, the power source of the tool rest, the spindle box and the power source of the spindle box are all conventional parts in a numerical control machine tool, and are not described in detail for the prior art.
Claims (8)
1. The utility model provides an intelligence protection type digit control machine tool, includes the lathe body and with lathe body matched with guard gate, its characterized in that: the protective door comprises
A left protective door (11) and a right protective door (12);
the driving component is used for driving the left protective door and the right protective door to approach or separate from each other and comprises a rotating handle (21), a first belt wheel (22) fixedly connected with the rotating handle, a second belt wheel (23) in transmission connection with the first belt wheel through a belt (210), a third belt wheel (24) coaxially arranged with the second belt wheel, a fourth belt wheel (25) connected with the third belt wheel through a first transmission belt (211), a first gear (26) coaxially arranged with the fourth belt wheel, a second gear (27) meshed with the first gear, a fifth belt wheel (28) coaxially arranged with the second gear and a sixth belt wheel (29) connected with the fifth belt wheel through a second transmission belt (212); the left protective door (11) is connected with the first transmission belt (211), and the right protective door (12) is connected with the second transmission belt (121);
the first connecting structure can realize the power supply electrification of the tool rest;
the second connecting structure can realize the power supply electrification of the spindle box;
and the main switch (3) is used for respectively controlling the tool rest and the spindle box to be started, and the main switch (3) is electrically connected with the first connecting structure and the second connecting structure respectively.
2. The intelligent protected numerically controlled machine tool of claim 1, wherein: the tool rest and the spindle box are respectively and electrically connected with an external power supply through electric wires, the first connecting structure comprises a worm (41) fixedly connected with the second belt wheel, a worm wheel (42) meshed with the worm, a threaded section arranged on a central shaft of the worm wheel, a moving seat (44) capable of moving along the threaded section in the rotation process of the worm wheel, a socket (45) arranged on the moving seat and a plug (46) arranged on the end part of the threaded section, the socket (45) is two symmetrically arranged copper sheets, the middle of each copper sheet is arranged in an arched structure, and the plug (46) can be inserted into a position between the arched parts of the two copper sheets; in the process that the left protective door and the right protective door are close to each other, the moving seat (44) moves relative to the thread section, so that the plug (46) is inserted into the two copper sheets.
3. The intelligent protected numerically controlled machine tool of claim 1, wherein: the second connecting structure comprises a fixing seat (51) arranged on the spindle box, an open slot (52) arranged on the fixing seat, a rotating sleeve (53) rotatably arranged in the open slot, a conducting strip (54) arranged at the bottom of the open slot, a hydraulic rod (55) fixedly arranged on the first belt pulley, a plug-in connector (56) connected with the hydraulic rod, a plurality of convex teeth (57) arranged on the plug-in connector, a clamping slot (58) arranged on the inner wall of the rotating sleeve and used for inserting the convex teeth, a plug-in part (59) formed between the two clamping slots, an inclined plane (510) arranged on the end face of the plug-in part, and a switch button (511) arranged on the rotating handle, wherein when the switch button (511) is pressed, the hydraulic rod (55) is started.
4. The intelligent protected numerically controlled machine tool of claim 1, wherein: the protective door is characterized by also comprising a manual opening device which is used for realizing that the protective door can be opened under manual control in the machine tool working engineering.
5. The intelligent protected numerically controlled machine tool of claim 4, wherein: the manual opening device comprises a connecting shaft (61) fixedly arranged on the second belt wheel, a through hole which is arranged on the third belt wheel and is used for the connecting shaft to pass through, a moving cylinder (62) which is sleeved on the connecting shaft and can move back and forth relative to the through hole, a rotation stopping convex part (63) arranged on the outer wall of the front part of the moving cylinder, a smooth section positioned at the rear part of the moving cylinder, a rotation stopping groove which is arranged on the inner wall of the through hole and used for inserting the rotation stopping convex part, a disc (66) which is connected with the moving cylinder through a plurality of connecting rods, an inserting column (67) arranged on the inner surface of the disc, a column groove which is arranged on the connecting shaft and used for inserting the inserting column, a plurality of inserting parts (69) arranged on the outer wall of the inserting groove.
6. The intelligent protected numerically controlled machine tool of claim 1, wherein: the machine tool power supply device further comprises a standby power supply device which is used for supplying electric energy to the machine tool when the external power supply is powered off.
7. The intelligent protected numerically controlled machine tool of claim 6, wherein: the standby power supply device comprises a housing (71), a storage battery (72) arranged in the housing, an electromagnet (73) and a permanent magnet (74) arranged in the housing, a magnet seat (75) arranged above the housing, an electric connection plate (76) arranged between the magnet seat and the housing, and a metal sheet (77) arranged on a negative electrode of the storage battery and electrically connected with the electric connection plate.
8. The intelligent protected numerically controlled machine tool of claim 7, wherein: the positive pole of the storage battery (72), the power source of the spindle box and the power source of the tool rest are respectively connected with the positive pole of an external power source in parallel, and the power receiving plate (76), the power source of the spindle box and the power source of the tool rest are respectively connected with the negative pole of the external power source in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911052477.3A CN110757238A (en) | 2019-10-31 | 2019-10-31 | Intelligent protection type digit control machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911052477.3A CN110757238A (en) | 2019-10-31 | 2019-10-31 | Intelligent protection type digit control machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110757238A true CN110757238A (en) | 2020-02-07 |
Family
ID=69335230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911052477.3A Withdrawn CN110757238A (en) | 2019-10-31 | 2019-10-31 | Intelligent protection type digit control machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110757238A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2402017Y (en) * | 2000-01-01 | 2000-10-18 | 何忠孝 | Strong elastic force safety power source socket |
| CN2522223Y (en) * | 2002-01-17 | 2002-11-27 | 广州市敏嘉制造技术有限公司 | Double-sash linkage protective door of numerial controlled machine tool |
| CN102441815A (en) * | 2011-10-09 | 2012-05-09 | 上海三一精机有限公司 | Protective door device and machining center |
| KR20120067396A (en) * | 2010-12-16 | 2012-06-26 | 두산인프라코어 주식회사 | The automatic door |
| CN207663973U (en) * | 2017-10-25 | 2018-07-27 | 邓长春 | Push switch controller |
| CN108609496A (en) * | 2016-12-12 | 2018-10-02 | 王家荣 | A kind of protection door interlock |
-
2019
- 2019-10-31 CN CN201911052477.3A patent/CN110757238A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2402017Y (en) * | 2000-01-01 | 2000-10-18 | 何忠孝 | Strong elastic force safety power source socket |
| CN2522223Y (en) * | 2002-01-17 | 2002-11-27 | 广州市敏嘉制造技术有限公司 | Double-sash linkage protective door of numerial controlled machine tool |
| KR20120067396A (en) * | 2010-12-16 | 2012-06-26 | 두산인프라코어 주식회사 | The automatic door |
| CN102441815A (en) * | 2011-10-09 | 2012-05-09 | 上海三一精机有限公司 | Protective door device and machining center |
| CN108609496A (en) * | 2016-12-12 | 2018-10-02 | 王家荣 | A kind of protection door interlock |
| CN207663973U (en) * | 2017-10-25 | 2018-07-27 | 邓长春 | Push switch controller |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200207 |
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| WW01 | Invention patent application withdrawn after publication |