CN107900417B - A kind of hinge puncher that can accurately control drilling depth - Google Patents
A kind of hinge puncher that can accurately control drilling depth Download PDFInfo
- Publication number
- CN107900417B CN107900417B CN201711368737.9A CN201711368737A CN107900417B CN 107900417 B CN107900417 B CN 107900417B CN 201711368737 A CN201711368737 A CN 201711368737A CN 107900417 B CN107900417 B CN 107900417B
- Authority
- CN
- China
- Prior art keywords
- rig floor
- circuit
- drilling depth
- contact
- cavity
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
- B23B47/26—Liftable or lowerable drill heads or headstocks; Balancing arrangements therefor
-
- 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
- B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
- B23Q15/20—Automatic control or regulation of feed movement, cutting velocity or position of tool or work before or after the tool acts upon the workpiece
- B23Q15/22—Control or regulation of position of tool or workpiece
- B23Q15/24—Control or regulation of position of tool or workpiece of linear position
-
- 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
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/22—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work
- B23Q17/2233—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work for adjusting the tool relative to the workpiece
- B23Q17/225—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work for adjusting the tool relative to the workpiece of a workpiece relative to the tool-axis
Abstract
A kind of hinge puncher that can accurately control drilling depth, including workbench, bracket and the rig floor being arranged on bracket, the rig floor bottom end is provided with three gang drill heads, the rig floor top is provided with the elevating mechanism for driving rig floor to go up and down, the lifting process of the elevating mechanism is uniform motion, it further include the control system having for controlling drilling depth, the control system includes probe unit: for incuding the time of contact of drill bit end and plank and issuing activation signal;Timing unit: for accurately controlling the fall time of elevating mechanism, start timing when receiving activation signal, issue after preset time by signal.Its advantage is that the drilling depth of hinge puncher can be controlled accurately, punching depth not will receive the influence of plate thickness.
Description
Technical field
The present invention relates to hinge puncher fields, and in particular to one kind can accurately control the hinge punching of drilling depth
Machine.
Background technique
Hinge puncher is the common punch device of one kind of wooden boards manufacture field, for closing to wooden erection of doors and windows
It is punched in advance when page.Such as network address are as follows: https: one shown in //b2b.hc360.com/supplyself/517053501.html
Kind hinge puncher, including workbench and liftable rig floor, rig floor can move reciprocatingly in the vertical direction, to work
Plate on platform drills.But the drilling machine of the type is when drilling to plate, is the dropping distance according to rig floor
It controls drilling depth, but when the thickness difference of plate, can not accurately only by adusting the dropping distance of rig floor
Drilling depth is controlled, drilling depth is often influenced to generate very big error by plate thickness, and under rig floor
Drop distance also can not obtain accurate numerical value, so can not be accurately controlled to drilling depth.
Summary of the invention
The object of the present invention is to provide the hinge puncheres that one kind can accurately control drilling depth, its advantage is that can essence
The really drilling depth of control hinge puncher, punching depth not will receive the influence of plate thickness.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of hinge puncher that can accurately control drilling depth, including workbench, bracket and setting are on bracket
Rig floor, the rig floor bottom end is provided with three gang drill heads, and the rig floor top is provided with the elevator for driving rig floor to go up and down
Structure, the lifting process of the elevating mechanism are uniform motion, further include the control system having for controlling drilling depth, described
Control system includes
Probe unit: for incuding the time of contact of drill bit end and plank and issuing activation signal;
Timing unit: for accurately controlling the fall time of elevating mechanism, start timing when receiving activation signal, pass through
It issues after crossing preset time by signal.
Through the above technical solutions, elevating mechanism can control the lifting of rig floor, probe unit can detect drill bit and plate
The time of contact of material simultaneously issues activation signal, and timing unit can be controlled according to preset time when receiving activation signal and be gone up and down
The fixed distance of mechanism decline, to control the depth of drilling, when drilling finishes, timing unit issues pick-off signal, makes rig floor
It is raised above reset, achievees the effect that accurately to control drilling depth.
The present invention is further arranged to: the elevating mechanism includes the stepper motor for driving rig floor to go up and down, the step
Be fixedly connected with screw rod into motor output shaft, the rig floor be socketed on that screw rod is outer and be provided in rig floor in screw rod cooperation
Screw thread is provided with the sleeve limited to rig floor on the bracket.
Through the above technical solutions, step motor control screw rod rotates, rig floor and screw rod cooperate the rig floor when screw rod rotates
It can move up and down, sleeve plays position-limiting action to rig floor, can be rotated rig floor not.
The present invention is further arranged to: the timing unit is timing circuit made of 555 timers, 555 timers the
Four pins couple power supply, and the probe unit of connecting between the 4th pin of 555 timer and power supply.
Through the above technical solutions, 555 timers are one of most common timing circuits, this low, reliable performance, and
And the switch that probe unit is formed is connected between timing circuit and power supply, when detection unit detects drill bit and plank contacts
Timing circuit obtains electric, while the triggering end of timing circuit receives trigger signal and starts timing.
The present invention is further arranged to: the probe unit is detection bar, and the detection bar is fixed on rig floor, institute
It states detection bar and is vertically arranged and is internally provided with cavity, the contact bar being slidably connected with cavity is provided in the cavity, it is described
Contact rod end top is provided with a columned metal backup, and a spring, cavity are provided between the block and cavity top
Inner wall is also set up there are two the contact that is vertically arranged, and contact is that metal material is made and is embedded in cavity inner wall, the contact with
Block forms a switch, and two contact is separately connected the timing circuit power supply.
Through the above technical solutions, detection bar is vertically arranged and is internally provided with cavity, detecting contact bar in bar can be with
It being slided in cavity, the block for contacting boom end is conductor material, which switchs with the formation in the contact of cavity inner wall is embedded,
The contact both ends are separately connected timer power supply, and when detecting bar upward sliding and contacting block with contact, timing circuit is obtained electric
Trigger signal is received simultaneously, and control elevating mechanism moves downward fixed distance.
The present invention is further arranged to: the detection bar, which is adopted, to be made from an insulative material.
Through the above technical solutions, the detection bar of insulating materials two contacts can be isolated, make two contacts initial
It is not turned under state, when block upward sliding, contact can be just connected.
The present invention is further arranged to: point that coupling is arranged in series between the timing circuit second pin and the 8th pin
Piezoresistance and slide rheostat, the slide rheostat and divider resistance node couple the 7th pin.
Through the above technical solutions, can change the timing of timing circuit by the resistance value for adjusting slide rheostat,
Since the movement of elevating mechanism is uniform motion, the timing by changing timing circuit is that the drilling of controllable puncher is deep
Degree.
The present invention is further arranged to: the timing circuit output end couples not circuit, the connection of not circuit output end
There is the first driving triode, driving triode emitter coupling one is also wrapped for controlling the second relay of elevating mechanism rising
Motor positive/reverse rotation circuit is included, the motor positive/reverse rotation circuit includes rotating forward circuit and reversion circuit, is set on the reversion circuit
It is equipped with the normally opened contact for being controlled by second relay.
Through the above technical solutions, when timing circuit receives trigger signal, when timing circuit output end exports one section
Between high level signal, high level signal converts low level signal by not circuit, and driving triode is not turned on, by pre-
If driving triode exports low level signal after the time, low level signal converts high level signal by not circuit, makes the
The conducting of two driving triodes, makes to invert the normally opened contact closure in circuit in motor positive/reverse rotation circuit, and motor reversal makes on rig floor
It rises.
The present invention is further arranged to: being in series with travel switch on the reversion circuit.
Through the above technical solutions, touching travel switch when rig floor rises to initial position at the top of rig floor, making to invert
Circuit disconnects, and rig floor stops rising.
The present invention is further arranged to: the motor positive/reverse rotation circuit includes being arranged in series for controlling what motor rotated forward
Switch key and the first relay, switch key both ends parallel connection one is controlled by the normally opened contact of the first relay, described
It is connected to power supply after one normally-closed contact of series connection outside switch key, the first relay other end ground connection.
Through the above technical solutions, when pressing switch key, the first relay obtains electric, is arranged in parallel with switch key
Normally opened contact K1 obtains electric closure, and when trip switch key, switch key is disconnected, electric current from power supply by contact K1 flow to first after
Electric appliance forms latching circuit, rotates forward motor, rig floor decline, and when timing circuit output is when signal, the second relay obtains electric
The normally-closed contact K2 being arranged in series with switch key and normally opened contact K1 is disconnected, circuit is rotated forward and disconnects, motor stops rotating forward,
K2 closure starts to invert, and moves upwards rig floor and sets back.
In conclusion the invention has the following advantages:
The hinge puncher is provided with the probe unit for detecting drill bit Yu web contact time, and by accurately controlling
Dropping distance of the elevating mechanism since bit contact plate makes drilling depth not and will receive plate itself to control drilling depth
The influence of thickness is accurately adjusted according to actual needs convenient for staff, when rig floor can be raised above automatically after drilling is completed
It sets back, convenient for processing next time.
Detailed description of the invention
Fig. 1 is the puncher overall structure diagram;
Fig. 2 is the cross-sectional view that the puncher embodies probe unit;
Fig. 3 is the portion the A enlarged drawing of Fig. 2;
Fig. 4 is control system circuit figure.
In figure, 1, workbench;2, bracket;21, sleeve;22, support plate;3, rig floor;31, drill bit;4, stepper motor;41,
Screw rod;5, probe unit;51, bar is detected;511, cavity;512, bar is contacted;5121, block;513, spring;514, contact;61,
Timing circuit;611, slide rheostat;62, not circuit;63, driving triode;7, motor positive/reverse rotation circuit;71, control electricity
Road.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
As shown in Figure 1, a kind of hinge puncher that can accurately control drilling depth, including workbench 1, bracket 2 and
Rig floor 3 on bracket 2 is set, support plate 22 is provided on bracket 2,3 bottom end of rig floor is provided with three gang drill heads 31, and rig floor 3 pushes up
End is provided with the elevating mechanism for driving rig floor 3 to go up and down, and the lifting process of elevating mechanism is uniform motion, and elevating mechanism includes
Stepper motor 4 for driving rig floor 3 to go up and down, stepper motor 4 are fixed in support plate 22, and 4 output shaft of stepper motor is solid
Surely it is connected with screw rod 41, rig floor 3 is socketed on outside screw rod 41 and is provided with the internal screw thread cooperated with screw rod 41, bracket 2 in rig floor 3
On be provided with the sleeve 21 limited to rig floor 3, when stepper motor 4 rotate forward when rig floor 3 can be under the driving of screw rod 41 under
Drop, rig floor 3 rises when reversion.
As shown in Figures 2 and 3,3 side of rig floor is provided with a detection bar 51 being wholely set with rig floor 3, the detection bar 51
It is vertically arranged, and detects bar 51 and adopt and be made from an insulative material, detect and be provided with cylindrical cavity 511, cavity 511 in bar 51
It is inside provided with a contact bar 512 being slidably connected with cavity 511, contact 512 end of bar is provided with a columned block 5121,
The block 5121 is made of conductor material, and 511 bottom end of cavity is provided with the annular retaining wall cooperated with the block 5121, block 5121
A spring 513 is provided between 511 top of cavity, 511 inner wall of cavity also sets up there are two the contact 514 being vertically arranged, touches
Point 514 is made and is embedded in 511 inner wall of cavity for iron material matter, when block 5121 rises at contact 514, at two between point
Circuit is switched on, and makes to form a switch between block 5121 and contact 514.Bar 512 is contacted under original state is longer than drill bit 31,
And the distance between contact 514 and block 5121 are equal to contact 512 bottom of bar and are longer than at a distance from 31 bottom of drill bit.
As shown in figure 4, hinge punching further includes the control system having for controlling drilling depth, control system includes:
Probe unit 5: being made of above-mentioned detection bar 51 and contact 514, for incuding connecing for 31 end of drill bit and plank
The touching time simultaneously issues activation signal;
Timing unit: for timing circuit 61 made of 555 timers, the 4th pin of timing circuit 61 couples power supply, and
It is connected between 4th pin and power supply on the contact 514 in above-mentioned detection bar 51.And 514 one end of contact passes through two electricity
Resistance is directly connected to the triggering end (i.e. second pin) of 555 timers, and when drill bit 31 touches plank, contact 514 is just connect
Logical, 555 timers triggers termination receives activation signal at this time, when exporting pick-off signal after preset time.Timing circuit 61
Second pin and the 8th pin be externally connected with the divider resistance R1 and slide rheostat 611 being arranged in series, divider resistance
The node of R1 and slide rheostat 611 couples the 7th pin of timing circuit 61, by the resistance value for changing slide rheostat 611
It can change the timing of timing circuit 61, the setting of slide plate 6111 of slide rheostat 611 on detection bar 51 and detects bar
Scale (graduation mark is not shown in the figure) corresponding with the time is provided on 51, by the corresponding scale for observing slide plate 6111
Preset time can be accurately controlled.
As shown in figure 4,61 output end of timing circuit couples not circuit 62,62 output end of not circuit is connected with driving three
Grade pipe 63,63 emitter of driving triode coupling one is for controlling the relay KM2 of elevating mechanism rising.It further include having motor just
Circuit for reversing, motor positive/reverse rotation circuit include rotating forward circuit and reversion circuit, are provided on rotating forward circuit and are controlled by relay KM1
Normally opened contact K12, invert circuit on be provided with the normally opened contact K22 for being controlled by relay KM2.
As shown in figure 4, motor positive/reverse rotation circuit further includes having the control circuit 71 just to work for controlling stepper motor 4,
Control circuit 71 includes being arranged in series for controlling the switch key SB1 and relay KM1 of the rotating forward of stepper motor 4, switch
Key SB1 both ends parallel connection one is controlled by the normally opened contact K11 of the first relay, and connect a normally-closed contact K21 outside switch key SB1
After connect to power supply, the relay KM1 other end ground connection.The opening and closing of normally-closed contact K21 is controlled by above-mentioned relay KM2.
When pressing switch key, relay KM1 obtains electric, obtains with the normally opened contact K11 that switch key SB1 is arranged in parallel electric
Closure forms latching circuit, rotates forward stepper motor 4, and rig floor 3 is in uniform descent process, when contact bar 512 touches plank
When contact the upward sliding in cavity 511 of bar 512, when drill bit 31 touches board surface contact 512 end of bar block
5121 contact with contact 514, obtain timing circuit 61 electric, while 61 triggering end of timing circuit receives trigger signal, by one
After fixed preset time, the output end of timing circuit 61 exports low level signal, turns low level signal by not circuit 62
High level signal is turned to, driving triode 63 is connected, the relay KM2 of 63 emitter of driving triode connection obtains electric, reversion
Contact K22 in circuit is disconnected, normally opened contact K12 closure, while relay KM1 power loss, contact K11 become disconnected from closed state
Open state, stepper motor 4 invert, and increase rig floor 3, when rig floor 3 rises to initial position, touch stroke at the top of rig floor 3
Switch makes to invert circuit disconnection, and rig floor 3 stops rising.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (7)
1. one kind can accurately control the hinge puncher of drilling depth, including workbench (1), bracket (2) and setting are being propped up
Rig floor (3) on frame (2), rig floor (3) bottom end are provided with three gang drill heads (31), and rig floor (3) top, which is provided with, to be used for
Driving rig floor (3) lifting elevating mechanism further include it is characterized in that: the lifting process of the elevating mechanism is uniform motion
There is the control system for controlling drilling depth, the control system includes:
Probe unit (5): for incuding the time of contact of drill bit (31) end and plank and issuing activation signal;
Timing unit: for accurately controlling the fall time of elevating mechanism, start timing when receiving activation signal, by pre-
If issuing after the time by signal;
The timing unit is timing circuit (61) made of 555 timers, and the 4th pin of 555 timer couples power supply, and
It connects between the 4th pin of 555 timer and power supply the probe unit (5);
The probe unit (5) is detection bar (51), and the detection bar (51) is fixed on rig floor (3), the detection bar
(51) it is vertically arranged and is internally provided with cavity (511), be provided in the cavity (511) and be slidably connected with cavity (511)
It contacts bar (512), contact bar (512) end top is provided with a columned metal backup (5121), the block
(5121) it is provided with a spring (513) between cavity (511) top, cavity (511) inner wall is also set up there are two being vertically arranged
Contact (514), contact (514) be metal material be made and be embedded in cavity (511) inner wall, the contact (514) and block
(5121) switch is formed, two contacts (514) are separately connected the timing circuit (61) power supply.
2. one kind according to claim 1 can accurately control the hinge puncher of drilling depth, it is characterized in that: the liter
Descending mechanism includes the stepper motor (4) for driving rig floor (3) to go up and down, and stepper motor (4) output shaft is fixedly connected with silk
Bar (41), the rig floor (3) are socketed on screw rod (41) outside and are provided with the internal screw thread with screw rod (41) cooperation in rig floor (3),
The sleeve (21) limited to rig floor (3) is provided on the bracket (2).
3. one kind according to claim 1 can accurately control the hinge puncher of drilling depth, it is characterized in that: the spy
Measuring staff (51), which is adopted, to be made from an insulative material.
4. one kind according to claim 1 can accurately control the hinge puncher of drilling depth, it is characterized in that: described fixed
When circuit (61) second pin and the 8th pin between coupling be arranged in series divider resistance and slide rheostat (611), institute
It states slide rheostat (611) and divider resistance node couples the 7th pin.
5. one kind according to claim 4 can accurately control the hinge puncher of drilling depth, it is characterized in that: described fixed
When the coupling of circuit (61) output end not circuit (62), not circuit (62) output end is connected with the first driving triode, drives
Triode (63) emitter coupling one further includes having motor positive/reverse rotation circuit for controlling the second relay of elevating mechanism rising
(7), the motor positive/reverse rotation circuit (7) includes rotating forward circuit and reversion circuit, is provided on the reversion circuit and is controlled by institute
State the normally opened contact of the second relay.
6. one kind according to claim 5 can accurately control the hinge puncher of drilling depth, it is characterized in that: described anti-
It goes back to road and is in series with travel switch.
7. one kind according to claim 5 can accurately control the hinge puncher of drilling depth, it is characterized in that: the electricity
Machine positive and negative rotation circuit (7) includes being arranged in series for controlling the switch key and the first relay of motor rotating forward, described to open
Close button both ends parallel connection one is controlled by the normally opened contact of the first relay, after a normally-closed contact of connecting outside the switch key with electricity
Source connection, the first relay other end ground connection.
Priority Applications (1)
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CN201711368737.9A CN107900417B (en) | 2017-12-18 | 2017-12-18 | A kind of hinge puncher that can accurately control drilling depth |
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CN201711368737.9A CN107900417B (en) | 2017-12-18 | 2017-12-18 | A kind of hinge puncher that can accurately control drilling depth |
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CN107900417A CN107900417A (en) | 2018-04-13 |
CN107900417B true CN107900417B (en) | 2019-07-02 |
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US5277526A (en) * | 1990-08-09 | 1994-01-11 | Jobs S.P.A. | Apparatus with floating tool for drilling, boring, flaring and the like at a set depth using jigs |
EP1249290A1 (en) * | 2001-04-10 | 2002-10-16 | HILTI Aktiengesellschaft | Hand tool with electronic stop |
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