CN212761372U - Side milling head on-site protection device for gantry machining center - Google Patents
Side milling head on-site protection device for gantry machining center Download PDFInfo
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- CN212761372U CN212761372U CN202020998539.1U CN202020998539U CN212761372U CN 212761372 U CN212761372 U CN 212761372U CN 202020998539 U CN202020998539 U CN 202020998539U CN 212761372 U CN212761372 U CN 212761372U
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Abstract
The utility model discloses an on-site protection device for a side milling head of a gantry machining center, which belongs to the technical field of gantry machining centers, and comprises a head base bracket arranged on one side of a gantry, a storage position for positioning the side milling head arranged on the head base bracket, a micro switch arranged on the storage position, a PLC control unit for transmitting the contact action signal of the micro switch, and the PLC control unit for judging the position state of the side milling head and controlling a vertical spindle to perform the operation of loosening and drawing a knife and automatically changing the knife, which has the advantages that by arranging the micro switch, when the side milling head is placed on the head base bracket or taken out from the head base bracket, the action signal of the micro switch contact is transmitted to the PLC control unit, and the PLC control unit accurately judges the position of the side milling head to control the loosening and drawing knife and automatically changing the knife, thereby effectively avoiding the malfunction of a machine tool caused by the error judgment of the state, the occurrence rate of dangerous accidents is reduced.
Description
Technical Field
The utility model relates to a longmen machining center technical field especially relates to a longmen machining center side milling head protection device on throne.
Background
At present, in order to meet the requirement of machining the side face of a workpiece, a gantry machining center needs to be additionally provided with a side milling head to be arranged on a vertical main shaft, and a machining tool is manually arranged on the side milling head according to the requirement. Before the side milling head is assembled and disassembled, a normal program for assembling and disassembling the side milling head is needed in the system, when an automatic side milling head assembling and disassembling mode is used, the numerical control system utilizes program logic operation to carry out automatic operation according to normal procedures, state values are modified when head assembling and head disassembling are finished, the current side milling head is judged to be positioned on a vertical spindle or in a head library through the program, and two position states of the side milling head correspond to different action requirements of a vertical spindle loose broach and a tool library. When the side milling head is positioned on the vertical spindle, the side milling head is tensioned by the vertical spindle loose broach drawing claw and is arranged on the vertical spindle, the use of the loose broach function is forbidden when the side milling head is not unloaded after being arranged, and the actions of automatic tool changing of a tool magazine and the like can not be carried out in the state; when the side milling head is not positioned on the vertical spindle, namely in the head stock position, the operations of loosening and drawing the cutter and automatically changing the cutter can be carried out.
If the action is interrupted due to an abnormal phenomenon in the process of assembling and disassembling the side milling head, the assembling and disassembling of the side milling head must be completed in a manual intervention mode, the system judges that the position state of the side milling head possibly makes mistakes, and further wrong actions occur when the vertical spindle is used for loosening and pulling the cutter and the tool magazine is used for automatic tool changing, so that the side milling head falls down or the manipulator is damaged by tool changing, and other dangerous accidents are caused.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a longmen machining center side milling head protection device on throne, the position of depositing of putting into head storehouse support after dismantling the side milling head or when taking out the installation by depositing the position, the action signal transmission of the micro-gap switch contact of position department gives PLC the control unit, PLC the control unit judges the position state of side milling head and controls the pine broach and automatic tool changing operation, effectively avoided because of the pine broach and the tool magazine tool changing malfunction that the state judgement mistake leads to, the incidence of dangerous accident has been reduced.
In order to achieve the above object, the present invention provides a technical solution for solving the technical problem: the gantry machining center side milling head on-site protection device comprises a gantry frame, a vertical spindle, a head library support, a micro switch and a PLC (programmable logic controller) control unit, wherein the gantry frame is connected with the vertical spindle in a sliding mode, the vertical spindle is provided with a loading and unloading position of the side milling head, one side of the gantry frame is provided with the head library support, the head library support is provided with a positioning position, the storage position of the side milling head is provided with the micro switch, a contact action signal of the micro switch is transmitted to the PLC control unit, and the PLC control unit judges the position state of the side milling head and controls the vertical spindle to loosen a broach and automatically change a tool.
Furthermore, positioning studs are arranged at two ends of the head library support and are in positioning fit with the side milling heads, adjusting studs for adjusting the positioning height of the side milling heads are arranged on the outer sides of the positioning studs, and the micro switch is arranged between the two positioning studs.
Furthermore, a tool magazine for storing tools is arranged on the other side of the portal frame, the tool magazine and the head magazine support are arranged oppositely, and the side milling head is detachably connected with the tools.
Furthermore, a head library body used for containing the side milling head is arranged above the head library support, and an automatic door is arranged above the head library body.
Further, the first storehouse storeroom on automatic door both sides is provided with proximity switch I and proximity switch II on one's body respectively, one side of automatic door with drive actuating cylinder and link to each other, proximity switch I and proximity switch II pass through PLC the control unit with it is connected to drive actuating cylinder electricity.
The utility model has the advantages that:
1. the utility model discloses a set up the position of depositing side milling cutter on first storehouse support, deposit position department installation micro-gap switch, when the position of depositing of putting into first storehouse support after dismantling the side milling head, side milling head bottom pushes down micro-gap switch's contact, micro-gap switch output signal of telecommunication gives PLC the control unit, PLC the control unit judges the position of depositing that the side milling head is located first storehouse support, and then can carry out the pine broach and the automatic tool changing operation of tool magazine of vertical main shaft, otherwise, when taking out the side milling head on first storehouse support and installing on vertical main shaft, micro-gap switch's contact bounce, PLC the control unit judges that the side milling head is located vertical main shaft position, then forbid the pine broach and the automatic tool changing operation of vertical main shaft, effectively avoided tool changing and tool magazine malfunction because of the state judgement mistake leads to, the incidence of dangerous accident has been reduced.
2. In addition, the two ends of the head library bracket are provided with positioning studs for positioning the side milling heads, so that the positioning of the side milling heads is more stable, the head library bracket is also provided with adjusting studs, the adjusting studs play a role in supporting the side milling heads on one hand, and on the other hand, the top ends of the adjusting studs are lower than the height of the contact of the micro switch by adjusting the height of the adjusting studs, so that when the side milling heads are placed on the positioning studs and the adjusting studs, the contact of the micro switch is pressed downwards by the bottom ends of the side milling heads, the action is more sensitive, the position state judgment of the side milling heads is more accurate, and the operation of the machine tool is safer.
To sum up, the utility model discloses an at the position of depositing of first storehouse support installation micro-gap switch, the side milling head is placing on first storehouse support or when taking out by first storehouse support, the action signal transmission of micro-gap switch contact gives PLC the control unit, but PLC the control unit accurate judgement side milling head's position state controls the pine broach and automatic tool changing operation, has effectively avoided because of the pine broach and the tool magazine tool changing malfunction that the state judgement mistake leads to, has reduced the incidence of dangerous accident.
Drawings
The contents of the various figures of the specification and the labels in the figures are briefly described as follows:
fig. 1 is a front view of the present invention;
FIG. 2 is a schematic view of an enlarged portion of FIG. 1;
the labels in the above figures are: 1. the automatic tool changer comprises a portal frame, 2 a vertical spindle, 3 a head magazine support, 4 a microswitch, 5 a side milling head, 6 a positioning stud, 7 an adjusting stud, 8 a tool magazine, 9 a head magazine body, 10 an automatic door, 11 a proximity switch I, 12 a proximity switch II.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model discloses specific embodiment does: a side milling head on-site protection device of a gantry machining center comprises a portal frame 1, a vertical spindle 2, a head stock support 3, a micro switch 4 and a PLC control unit, wherein the portal frame 1 is connected with the vertical spindle 2 in a sliding manner, the vertical spindle 2 is provided with a broaching mechanism, the broaching mechanism is loosened and tensioned to disassemble and install a side milling head 5, one side of the portal frame 1 is provided with the head stock support 3, the head stock support 3 is provided with a storage position for positioning the side milling head 5, the other side of the portal frame 1 is provided with a tool stock 8 for storing tools, the tool stock 8 is arranged opposite to the head stock support 3, the side milling head 5 is detachably connected with tools, the storage position of the head stock support 3 is provided with the micro switch 4, a contact action signal of the micro switch 4 is transmitted to the PLC control unit, the PLC control unit is a part of a numerical control system, and the PLC control unit can be set into a PLC of a Mitsubishi or Siemens series, the PLC control unit judges the position state of the side milling head 5 and controls the vertical spindle 2 to perform tool loosening and broaching and automatic tool changing actions. When a workpiece needs to be vertically machined, the manipulator is operated to move to the position of the tool magazine 8, a tool required in the tool magazine 8 is taken out by the manipulator and then is positioned at the end part of the vertical spindle 2, and the tool is installed in place by the tool loosening and pulling mechanism; when the workpiece needs to be horizontally processed, the side milling head 5 on the head stock bracket 3 needs to be taken out and arranged at the end part of the vertical spindle 2 by using a manipulator, the tools in the tool magazine 8 can be manually arranged on the side milling head 5 according to the processing requirement, when the side milling head 5 is disassembled and then is put into the storage position of the head magazine bracket 3, the bottom of the side milling head 5 presses down the contact of the microswitch 4, the microswitch 4 outputs an electric signal to the PLC control unit, the PLC control unit judges that the side milling head 5 is positioned at the storage position of the head library bracket 3, further, the operation of loosening and drawing the vertical main shaft 2 and automatically changing the tool of the tool magazine 8 can be carried out, on the contrary, when the side milling head 5 on the head magazine bracket 3 is taken out and installed on the vertical main shaft 2, and (4) the contact of the microswitch 4 is bounced, and the PLC control unit judges that the side milling head 5 is positioned at the vertical spindle, and forbids the operation of loosening and pulling the vertical spindle and automatically changing the tool of the tool magazine. If the loading and unloading of the side milling head 5 is interrupted due to abnormal phenomena in the process, the loading and unloading of the side milling head 5 must be completed in a manual intervention mode, in the process, the PLC control unit judges the position of the side milling head 5 according to the contact motion of the microswitch 4 and controls the vertical spindle 2 to perform tool loosening and tool changing actions, false tool loosening and tool changing actions of a tool magazine due to state judgment errors are effectively avoided, and the occurrence rate of dangerous accidents is reduced.
Specifically, two ends of a head library support 3 are provided with positioning studs 6, the bottom of a side milling head 5 is provided with positioning holes, the positioning studs 6 are in positioning fit with the positioning holes in the side milling head 5, so that the positioning of the side milling head is more stable, an adjusting stud 7 for adjusting the positioning height of the side milling head 5 is arranged on the outer side of the positioning stud 6, a micro switch 4 is arranged between the two positioning studs 6, the adjusting stud 7 plays a role in supporting the side milling head 5 on one hand, and on the other hand, the top end of the adjusting stud 7 is lower than the height of a contact of the micro switch 4 by adjusting the height of the adjusting stud 7, so that when the side milling head 5 is placed on the positioning studs 6 and the adjusting stud 7, the bottom end of the side milling head 5 presses the contact of the micro switch 4 downwards, the action is more sensitive, the position state judgment of the side milling head 5 is more accurate, and the operation of a.
In addition, a head storehouse body 9 for accommodating the side milling head 5 is arranged above the head storehouse support 3, the function of protecting the side milling head 5 from collision is achieved, an automatic door 10 is arranged above the head storehouse body 9, a proximity switch I11 and a proximity switch II 12 are respectively arranged on the head storehouse body 9 on two sides of the automatic door 10, one side of the automatic door 10 is connected with a driving cylinder which can be set as a pneumatic sliding table, the sliding end of the pneumatic sliding table is connected with one end of the automatic door 10, the proximity switch I11 and the proximity switch II 12 are electrically connected with the driving cylinder through a PLC control unit, when the head is assembled and disassembled, when the vertical spindle 2 moves to be close to the proximity switch I11, a position signal of the proximity switch I11 is transmitted to the PLC control unit, the PLC control unit controls the driving cylinder to open the automatic door 10, and the opening action is completed until the end part of the automatic door 10 is close to the proximity switch II 12, when the loading and unloading actions are completed, the vertical spindle 2 moves upwards to approach the proximity switch I11 again, the PLC control unit controls the driving cylinder to act to close the automatic door 10, and the condition that the machining precision is influenced due to the fact that dust and machining scrap iron exist on the side milling head 5 in the head library body 9 is prevented.
To sum up, the utility model discloses an at the position of depositing of first storehouse support installation micro-gap switch, the side milling head is placing on first storehouse support or when taking out by first storehouse support, the action signal transmission of micro-gap switch contact gives PLC the control unit, but PLC the control unit accurate judgement side milling head's position state controls the pine broach and automatic tool changing operation, has effectively avoided because of the pine broach and the tool magazine tool changing malfunction that the state judgement mistake leads to, has reduced the incidence of dangerous accident.
The foregoing is merely illustrative of some of the principles of the present invention and the description is not intended to limit the invention to the specific constructions and applications shown, so that all modifications and equivalents that may be utilized are within the scope of the invention.
Claims (5)
1. The utility model provides a longmen machining center side cutter head protection device on spot which characterized in that, includes portal frame (1), vertical main shaft (2), first storehouse support (3), micro-gap switch (4) and PLC the control unit, sliding connection on portal frame (1) vertical main shaft (2), set up on vertical main shaft (2) the position of loading and unloading of side cutter head (5), one side setting of portal frame (1) first storehouse support (3), set up the location on first storehouse support (3) the position of depositing of side cutter head (5), it sets up on the position to deposit micro-gap switch (4), the contact action signal transmission of micro-gap switch (4) gives PLC the control unit, and PLC the control unit judges the position state of side cutter head (5) and controls vertical main shaft (2) and carries out the broach and automatic tool changing action.
2. The gantry machining center side milling head in-place protection device of claim 1, wherein: the two ends of the head library support (3) are provided with positioning studs (6), the positioning studs (6) are matched with the side milling heads (5) in a positioning mode, adjusting studs (7) for adjusting the positioning heights of the side milling heads (5) are arranged on the outer sides of the positioning studs (6), and the micro switch (4) is arranged between the two positioning studs (6).
3. The gantry machining center side milling head in-place protection device of claim 1, wherein: the tool magazine (8) for storing tools is arranged on the other side of the portal frame (1), the tool magazine (8) and the head magazine support (3) are arranged oppositely, and the side milling head (5) is detachably connected with the tools.
4. The side milling head in-place protection device for the gantry machining center according to any one of claims 1 to 3, characterized in that: the top of head storehouse support (3) sets up and is used for holding head storehouse body (9) of side cutter head (5), the top of head storehouse body (9) is provided with automatically-controlled door (10).
5. The gantry machining center side milling head in-place protection device of claim 4, wherein: the automatic door is characterized in that a proximity switch I (11) and a proximity switch II (12) are respectively arranged on the head warehouse body (9) on two sides of the automatic door (10), one side of the automatic door (10) is connected with a driving cylinder, and the proximity switch I (11) and the proximity switch II (12) are connected with the driving cylinder through a PLC control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020998539.1U CN212761372U (en) | 2020-06-02 | 2020-06-02 | Side milling head on-site protection device for gantry machining center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020998539.1U CN212761372U (en) | 2020-06-02 | 2020-06-02 | Side milling head on-site protection device for gantry machining center |
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| Publication Number | Publication Date |
|---|---|
| CN212761372U true CN212761372U (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020998539.1U Active CN212761372U (en) | 2020-06-02 | 2020-06-02 | Side milling head on-site protection device for gantry machining center |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114378339A (en) * | 2021-12-29 | 2022-04-22 | 广东普拉迪科技股份有限公司 | Automatic change polyhedron triaxial machining center |
-
2020
- 2020-06-02 CN CN202020998539.1U patent/CN212761372U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114378339A (en) * | 2021-12-29 | 2022-04-22 | 广东普拉迪科技股份有限公司 | Automatic change polyhedron triaxial machining center |
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