阅读说明：本技术 一种音响生产用自动倒相孔开孔设备 (Automatic phase reversal hole punching equipment for sound production ) 是由 许静云 于 2021-08-25 设计创作，主要内容包括：本发明涉及一种开孔设备,尤其涉及一种音响生产用自动倒相孔开孔设备。主要是提供一种无需人手压紧及打孔,减少人工成本和安全隐患的音响生产用自动倒相孔开孔设备。一种音响生产用自动倒相孔开孔设备,包括有：机架、防尘罩、轴承座、丝杆、轴套、第一驱动电机、打孔轮和导向槽板,机架顶部一侧设有抵挡木屑的防尘罩,机架内顶部设有3个轴承座,一侧的2个轴承座均设有丝杆,丝杆之间螺纹式连接有轴套,轴套底部设有第一驱动电机,第一驱动电机的输出轴底部设有打孔轮,机架顶部对称设有导向槽板。轴套带动转动的打孔轮向下移动至与木板接触,随后打孔轮停止移动与木板保持接触,如此便可完成打孔。(The invention relates to a hole forming device, in particular to an automatic phase reversal hole forming device for sound production. The automatic phase reversal hole punching equipment for the sound production is mainly used for punching without pressing and punching by hands and reducing labor cost and potential safety hazards. An automatic phase-inverted hole drilling device for sound production comprises: frame, dust cover, bearing frame, lead screw, axle sleeve, a driving motor, the wheel and the guide way board of punching, frame top one side is equipped with the dust cover that keeps out the saw-dust, and the top is equipped with 3 bearing frames in the frame, and 2 bearing frames of one side all are equipped with the lead screw, and threaded connection has the axle sleeve between the lead screw, and the axle sleeve bottom is equipped with a driving motor, and a driving motor's output shaft bottom is equipped with the wheel of punching, and frame top symmetry is equipped with the guide way board. The axle sleeve drives the pivoted wheel of punching and moves down to contact with the plank, and the wheel of punching stops to remove afterwards and keeps contacting with the plank, so alright completion is punched.)

1. The utility model provides a stereo set production is with automatic hole trompil equipment that inverts which characterized in that, including: the automatic wood chip punching machine comprises a machine frame (1), dust covers (2), bearing seats (4), lead screws (5), shaft sleeves (6), a first driving motor (7), punching wheels (8), guide groove plates (9), first distance sensors (10), a feeding mechanism (11) and an automatic punching mechanism (12), wherein the dust covers (2) for resisting wood chips are arranged on one side of the top of the machine frame (1), 3 bearing seats (4) are arranged on the top of the machine frame (1), the lead screws (5) are arranged on 2 bearing seats (4) on one side, the shaft sleeves (6) are connected among the lead screws (5) in a threaded mode, the first driving motor (7) is arranged at the bottom of each shaft sleeve (6), the punching wheels (8) are arranged at the bottom of an output shaft of the first driving motor (7), the guide groove plates (9) are symmetrically arranged on the top of the machine frame (1), the first distance sensors (10) are arranged on the guide groove plates (9) on one side, the feeding mechanism (11) is arranged on one side of the top of the machine frame (1), an automatic punching mechanism (12) for punching the wood board is arranged on one side of the top of the frame (1).

2. An automatic phase-inverted hole-drilling apparatus for sound production according to claim 1, wherein the feed mechanism (11) comprises: supporting seat (111), electric putter (112), ejector pad (113), blowing frid (114), installing support (115) and control switch (116), top one side is equipped with supporting seat (111) in frame (1), be equipped with electric putter (112) on supporting seat (111), frame (1) top one side slidingtype is equipped with ejector pad (113), frame (1) top symmetry is equipped with installing support (115), installing support (115) inboard all is equipped with blowing frid (114), dust cover (2) one side is equipped with control switch (116).

3. An automatic inverted hole drilling apparatus for sound production according to claim 2, wherein the automatic hole drilling mechanism (12) comprises: mount pad (121), second driving motor (122), flat belt (123), first travel switch (124), second travel switch (125) and second distance sensor (126), top opposite side is equipped with mount pad (121) in frame (1), mount pad (121) one side is equipped with second driving motor (122), there is flat belt (123) through belt pulley connection between the output shaft of second driving motor (122) and lead screw (5) bottom, be equipped with second distance sensor (126) on one side direction frid (9), frame (1) top one side is equipped with first travel switch (124) and second travel switch (125), axle sleeve (6) remove can with first travel switch (124) and second travel switch (125) contact.

4. The automatic phase-inverted hole drilling equipment for sound production according to claim 3, further comprising a stop mechanism (13), wherein the stop mechanism (13) comprises: bearing seat (131), pulley (132), cable wire (133), support frame (134), guide rail frame (135), first reset spring (136) and striker plate (137), frame (1) interior top is equipped with bearing seat (131), frame (1) top is equipped with support frame (134), equal symmetric rotation formula is connected with 2 pulley (132) on bearing seat (131) and support frame (134), guide way board (9) top is equipped with guide rail frame (135), sliding connection has striker plate (137) between guide rail frame (135), striker plate (137) top both sides all are connected with cable wire (133), pulley (132) that correspond are walked around in proper order to cable wire (133) bottom, cable wire (133) bottom is connected with ejector pad (113), be connected with first reset spring (136) between striker plate (137) top and guide rail frame (135).

5. The automatic inverted hole drilling apparatus for sound production according to claim 4, further comprising a deburring mechanism (14), wherein the deburring mechanism (14) comprises: mounting panel (141), third driving motor (142), grinding wheel (143), wedge pole (144), second reset spring (145), contact piece (146) and third distance sensor (147), all slidingtype wedge pole (144) that are equipped with in guide way board (9) top, wedge pole (144) all with be connected with second reset spring (145) between guide way board (9), sliding type connection has grinding wheel (143) between guide way board (9), one side wedge pole (144) rear side is equipped with mounting panel (141), mounting panel (141) top is equipped with third driving motor (142), striker plate (137) one side symmetry is equipped with contact piece (146), contact piece (146) lapse can contact with wedge pole (144), the middle part of one side guide rail frame (135) is equipped with third distance sensor (147).

6. The automatic phase-inverted hole drilling apparatus for sound production according to claim 5, further comprising a clamping mechanism (15), wherein the clamping mechanism (15) comprises: erection column (151), third reset spring (152) and press from both sides tight piece (153), symmetry slidingtype is equipped with erection column (151) on axle sleeve (6), is connected with between erection column (151) bottom and presss from both sides tight piece (153), all is connected with third reset spring (152) between erection column (151) and axle sleeve (6) bottom.

7. The automatic phase-inverted hole drilling device for sound production according to claim 6, further comprising a dust removing mechanism (16), wherein the dust removing mechanism (16) comprises: support bracket (161), fan (162) and starting switch (163), support bracket (134) one side all is equipped with support bracket (161), is connected with fan (162) between support bracket (161), and dust cover (2) one side is equipped with starting switch (163).

8. The apparatus of claim 7, further comprising: the control box (3) is arranged on the right side of the top of the dust cover (2), a switching power supply, a power supply module and a control module are installed in the control box (3), the switching power supply supplies power to the automatic phase-inverted hole punching equipment for sound production, the output end of the switching power supply is electrically connected with the power supply module, a power supply main switch is connected to the power supply module through a circuit, and the power supply module is electrically connected with the control module; the control module is connected with a DS1302 clock circuit and a 24C02 circuit, the first distance sensor (10), the second distance sensor (126), the third distance sensor (147), the first travel switch (124), the second travel switch (125), the control switch (116) and the starting switch (163) are electrically connected with the control module, and the electric push rod (112), the fan (162), the first driving motor (7), the second driving motor (122) and the third driving motor (142) are connected with the control module through peripheral circuits.

Technical Field

The invention relates to a hole forming device, in particular to an automatic phase reversal hole forming device for sound production.

Background

The external surface of the loudspeaker is provided with an outlet communicated with the external space, namely an inverter hole, and the main function is to utilize the air energy radiated into the loudspeaker box, further push the air inside the inverter tube to vibrate and sound, widen the low-frequency range and the sense of measurement, and increase the total output efficiency of the loudspeaker box.

The size of the inverter hole needs to be combined with the size of an inverter tube, the inner diameter and the length of the inverter tube need to be designed together with the physical parameters of a loudspeaker and the size of a box body, therefore, the manufacture of the same batch of the stereo sets needs to ensure the correct and consistent hole positions of the phase reversal holes, a board for manufacturing the stereo sets is generally punched by manually holding a puncher, the hole positions need to be determined on the board in advance, then the hole positions are punched manually, when the puncher contacts the wood board, force needs to be applied to drive the puncher to keep contact with the wood board for a period of time, the wood board is guaranteed to be punched, labor cost is high, the wood board needs to be pressed by hands during the punching, deviation of the wood board is avoided, the wood board is driven to rotate carelessly due to high rotating speed of the puncher, workers are injured, therefore, the automatic phase reversal hole punching equipment for sound production is required to be designed, which does not need to be pressed and punched by hands and reduces labor cost and potential safety hazards.

Disclosure of Invention

In order to overcome the too high cost of labor, and the plank takes place the skew easily when punching, has the shortcoming of certain potential safety hazard, and the technical problem that solves is: the automatic phase reversal hole punching equipment for the sound production does not need to be pressed and punched by hands, and reduces labor cost and potential safety hazards.

The technical scheme of the invention is as follows: the utility model provides a stereo set production is with automatic paraphase hole trompil equipment, which comprises a frame, the dust cover, the bearing frame, the lead screw, the axle sleeve, a driving motor, the wheel punches, the guide way board, a distance sensor, feed mechanism and the automatic mechanism of punching, frame top one side is equipped with the dust cover of keeping out the saw-dust, the top is equipped with 3 bearing frames in the frame, 2 bearing frames of one side all are equipped with the lead screw, the screw thread formula is connected with the axle sleeve between the lead screw, the axle sleeve bottom is equipped with a driving motor, a driving motor's output shaft bottom is equipped with the wheel of punching, frame top symmetry is equipped with the guide way board, be equipped with a distance sensor on the guide way board of one side, frame top one side is equipped with feed mechanism, frame top one side is equipped with the automatic mechanism of punching that punches to the plank.

According to a preferred technical scheme, the feeding mechanism comprises a supporting seat, an electric push rod, a push block, a discharging groove plate, an installation support and a control switch, the supporting seat is arranged on one side of the inner top of the rack, the electric push rod is arranged on the supporting seat, the push block is arranged on one side of the top of the rack in a sliding mode and connected with a telescopic rod of the electric push rod, the installation support is symmetrically arranged on the top of the rack, the discharging groove plate is arranged on the inner side of each installation support, and the control switch is arranged on one side of a dust cover.

As a preferable technical scheme of the invention, the automatic punching mechanism comprises a mounting seat, a second driving motor, a flat belt, a first travel switch, a second travel switch and a second distance sensor, the mounting seat is arranged on the other side of the top in the machine frame, the second driving motor is arranged on one side of the mounting seat, the flat belt is connected between an output shaft of the second driving motor and the bottom of the screw rod through a belt pulley, the second distance sensor is arranged on a guide groove plate on one side, the first travel switch and the second travel switch are arranged on one side of the top of the machine frame, and the shaft sleeve can be in contact with the first travel switch and the second travel switch in a moving mode.

As a preferred technical scheme, the material blocking device further comprises a material blocking mechanism, the material blocking mechanism comprises a bearing seat, pulleys, steel cables, a supporting frame, a guide rail frame, a first return spring and a material blocking plate, the bearing seat is arranged at the top in the frame, the supporting frame is arranged at the top of the frame, the bearing seat and the supporting frame are symmetrically and rotatably connected with 2 pulleys, the guide rail frame is arranged at the top of the guide groove plate, the material blocking plate is connected between the guide rail frames in a sliding mode, the steel cables are connected to two sides of the top of the material blocking plate, the bottom ends of the steel cables sequentially bypass the corresponding pulleys, the bottom ends of the steel cables are connected with a push block, and the first return spring is connected between the top of the material blocking plate and the guide rail frame.

As a preferred technical scheme, the deburring device further comprises a deburring mechanism, the deburring mechanism comprises a mounting plate, a third driving motor, a polishing wheel, wedge rods, second reset springs, contact blocks and a third distance sensor, the wedge rods are arranged on the tops of guide groove plates in a sliding mode, the second reset springs are connected between the wedge rods and the guide groove plates, the polishing wheel is connected between the guide groove plates in a sliding mode, the mounting plate is arranged on the rear side of one side of each wedge rod, the third driving motor is arranged on the top of the mounting plate, the contact blocks are symmetrically arranged on one side of each material blocking plate, the contact blocks can contact the wedge rods when moving downwards, and the third distance sensor is arranged in the middle of one side of each guide rail frame.

As a preferred technical scheme of the invention, the clamping device comprises a mounting column, a third return spring and a clamping block, wherein the mounting column is symmetrically and slidably arranged on the shaft sleeve, the clamping block is connected between the bottoms of the mounting columns, and the third return spring is connected between the mounting columns and the bottom of the shaft sleeve.

As a preferred technical scheme, the dust collection device further comprises a dust collection mechanism, wherein the dust collection mechanism comprises supporting brackets, fans and a starting switch, the supporting brackets are arranged on one sides of the supporting brackets, the fans are connected between the supporting brackets, and the starting switch is arranged on one side of the dust cover.

As a preferred technical scheme of the invention, the automatic phase-reversing hole punching device also comprises a control box, wherein the control box is arranged on the right side of the top of the dust cover, a switching power supply, a power supply module and a control module are installed in the control box, the switching power supply supplies power for the automatic phase-reversing hole punching device for sound production, the output end of the switching power supply is electrically connected with the power supply module, the power supply module is connected with a power supply main switch through a circuit, and the power supply module is electrically connected with the control module; the control module is connected with a DS1302 clock circuit and a 24C02 circuit, the first distance sensor, the second distance sensor, the third distance sensor, the first travel switch, the second travel switch, the control switch and the starting switch are all electrically connected with the control module, and the electric push rod, the fan, the first driving motor, the second driving motor and the third driving motor are all connected with the control module through peripheral circuits.

Has the advantages that: 1. the shaft sleeve drives the rotating punching wheel to move downwards to be in contact with the wood board, and then the punching wheel stops moving to be in contact with the wood board, so that punching can be finished;

2. when the push block moves backwards to push the wood board, the stop plate moves downwards to limit the new wood board, so that the new wood board is prevented from moving excessively, and the consistency of hole positions is realized;

3. the polishing wheel moves forwards while rotating, so that burrs on the wood board can be polished, and a guiding force can be added to the backward movement of the wood board when the polishing wheel moves backwards;

4. the clamping blocks move downwards to be in contact with the wood board firstly, and then the wood board is clamped, so that the wood board is prevented from being deviated when being punched.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of the present invention.

Fig. 2 is a schematic perspective view of a second embodiment of the present invention.

Fig. 3 is a partial perspective view of the present invention.

Fig. 4 is a schematic perspective view of a first feeding mechanism of the present invention.

Fig. 5 is a schematic perspective view of a second feeding mechanism of the present invention.

Fig. 6 is a schematic view of a first partially separated body structure of the automatic hole-punching mechanism of the present invention.

FIG. 7 is a schematic view of a second partial body configuration of the automatic hole punch mechanism of the present invention.

Fig. 8 is a schematic perspective view of a first striker mechanism of the present invention.

Fig. 9 is a schematic perspective view of a second striker mechanism of the present invention.

Fig. 10 is a third perspective view of the striker mechanism of the present invention.

Fig. 11 is an enlarged view of part a of the present invention.

Fig. 12 is a schematic perspective view of the deburring mechanism of the present invention.

Fig. 13 is an enlarged schematic view of part B of the present invention.

Fig. 14 is a perspective view of the clamping mechanism of the present invention.

Fig. 15 is a schematic perspective view of the dust removing mechanism of the present invention.

Fig. 16 is a circuit block diagram of the present invention.

Fig. 17 is a schematic circuit diagram of the present invention.

Labeled as: 1-a machine frame, 2-a dust cover, 3-a control box, 4-a bearing seat, 5-a screw rod, 6-a shaft sleeve, 7-a first driving motor, 8-a punching wheel, 9-a guide groove plate, 10-a first distance sensor, 11-a feeding mechanism, 111-a supporting seat, 112-an electric push rod, 113-a push block, 114-a discharging groove plate, 115-a mounting bracket, 116-a control switch, 12-an automatic punching mechanism, 121-a mounting seat, 122-a second driving motor, 123-a flat belt, 124-a first travel switch, 125-a second travel switch, 126-a second distance sensor, 13-a material stopping mechanism, 131-a bearing seat, 132-a pulley, 133-a steel cable, 134-a supporting frame and 135-a guide rail frame, 136-a first return spring, 137-a striker plate, 14-a deburring mechanism, 141-a mounting plate, 142-a third drive motor, 143-a grinding wheel, 144-a wedge rod, 145-a second return spring, 146-a contact block, 147-a third distance sensor, 15-a clamping mechanism, 151-a mounting column, 152-a third return spring, 153-a clamping block, 16-a dedusting mechanism, 161-a support bracket, 162-a fan, 163-a start switch.

Detailed Description

The invention is described in further detail below with reference to the drawings and the detailed description, but the invention is not limited to the scope of protection and application.

Example 1

An automatic phase reversal hole punching device for sound production is disclosed, as shown in fig. 1-17, comprising a frame 1, a dust cover 2, bearing seats 4, a screw rod 5, a shaft sleeve 6, a first driving motor 7, punching wheels 8, guide groove plates 9, a first distance sensor 10, a feeding mechanism 11 and an automatic punching mechanism 12, wherein the dust cover 2 is arranged at the rear side of the top of the frame 1, 3 bearing seats 4 are arranged at the top in the frame 1, the bearing seats 4 are arranged in an inverted triangle shape, 2 bearing seats 4 at the front side are all provided with screw rods 5, the screw rods 5 are all rotatably connected with the top of the frame 1, the shaft sleeve 6 is in threaded connection between the screw rods 5, the first driving motor 7 is arranged at the bottom of the shaft sleeve 6, the punching wheels 8 are arranged at the bottom of an output shaft of the first driving motor 7, the guide groove plates 9 are symmetrically arranged at the left and right of the top of the frame 1, the first distance sensor 10 is arranged at the left side of the front part of the guide groove plate 9 at the right side, the feeding mechanism 11 is arranged at the front side of the top of the frame 1, the automatic punching mechanism 12 is arranged at the rear side of the top of the frame 1.

Feed mechanism 11 is including supporting seat 111, electric putter 112, ejector pad 113, blowing frid 114, installing support 115 and control switch 116, the top front side is equipped with supporting seat 111 in frame 1, be equipped with electric putter 112 on the supporting seat 111, the movable type is equipped with ejector pad 113 before frame 1 top, ejector pad 113 front side is connected with electric putter 112's telescopic link, frame 1 top front side bilateral symmetry is equipped with installing support 115, installing support 115 inboard all is equipped with blowing frid 114, dust cover 2 right side is equipped with control switch 116.

Automatic punching mechanism 12 is including mount pad 121, second driving motor 122, flat belt 123, first travel switch 124, second travel switch 125 and second distance sensor 126, top rear side is equipped with mount pad 121 in frame 1, mount pad 121 front side is equipped with second driving motor 122, there is flat belt 123 through belt pulley connection between the output shaft of second driving motor 122 and lead screw 5 bottom, the anterior right side of left side direction frid 9 is equipped with second distance sensor 126, frame 1 top left side is equipped with first travel switch 124 and second travel switch 125, first travel switch 124 is located second travel switch 125 top, axle sleeve 6 removes can with first travel switch 124 and the contact of second travel switch 125.

A worker can place a certain number of boards between the material placing groove plates 114, after the boards are placed, the short press control switch 116 sends a signal, the control module receives the signal and further controls the electric push rod 112 to perform reciprocating operation with a period of 10 seconds, then the electric push rod is delayed for 10 seconds to perform reciprocating operation again, the telescopic rod of the electric push rod 112 extends for 5 seconds to drive the push block 113 to move backwards to push the bottommost board, the board moves backwards to the position between the guide groove plates 9 and then stops moving, the telescopic rod of the electric push rod 112 is shortened for 5 seconds to drive the push block 113 to move forwards and reset, meanwhile, the first distance sensor 10 sends a signal when detecting that the distance between the first distance sensor 10 and the board is smaller than a preset value, the control module receives the signal and further controls the first driving motor 7 to operate for 5 seconds, and simultaneously, the second distance sensor 126 sends a signal when detecting that the distance between the second distance and the board is smaller than the preset value, the control module receives a signal to control the second driving motor 122 to operate in the forward direction, the output shaft of the second driving motor 122 rotates to drive the screw rod 5 to rotate through the flat belt 123, so as to drive the shaft sleeve 6 to move downwards under the influence of the gravity of the first driving motor 7, the shaft sleeve 6 moves downwards to drive the first driving motor 7 to move downwards, 2 seconds later, the shaft sleeve 6 moves downwards to be in contact with the first travel switch 124, the first travel switch 124 sends a signal, the control module receives the signal to control the second driving motor 122 to stop operating and then delay for 3 seconds to operate in the forward direction, the output shaft of the second driving motor 122 continues to rotate, the shaft sleeve 6 drives the first driving motor 7 to move downwards, so as to drive the rotating punching wheel 8 to move downwards, 4 seconds later, the punching wheel 8 moves downwards to be in contact with a wood board to perform hole punching, 2 seconds later, the shaft sleeve 6 moves downwards to be in contact with the second travel switch 125, the second travel switch 125 sends a signal, the control module receives the signal to control the second driving motor 122 to stop operating and then to delay 3 seconds for reverse operation, so that the punching wheel 8 is kept in contact with the wood board, after 3 seconds, punching is finished, the output shaft of the second driving motor 122 reverses to drive the screw rod 5 to reverse through the flat belt 123, the screw rod 5 reverses to drive the shaft sleeve 6 to drive the first driving motor 7 and the punching wheel 8 to move upwards for resetting, then the telescopic rod of the electric push rod 112 extends for 5 seconds to drive the push block 113 to move backwards to push a new wood board, so as to drive the punched wood board to move backwards, matching collection is carried out, the shaft sleeve 6 moves upwards for 6 seconds to be in contact with the first travel switch 124, the control module receives the signal to control the second driving motor 122 to stop operating and then to delay 3 seconds for forward operation, so that automatic punching of the wood board can be realized in a reciprocating manner, all punch and finish, long press control switch 116 signals, control module received signal and then control electric putter 112 stop work, first distance sensor 10 detects and sends out the signal when the distance between the plank is no longer less than the default, control module received signal and then control first driving motor 7 stop work, punch wheel 8 stall thereupon, second distance sensor 126 detects and sends out the signal when the distance between the plank is no longer less than the default simultaneously, control module received signal and then control second driving motor 122 stop work, dust cover 2 can block the saw-dust of producing of polishing during.

Still including stock stop 13, stock stop 13 is including bearing seat 131, pulley 132, cable wire 133, support frame 134, guide rail frame 135, first reset spring 136 and striker plate 137, the top is equipped with bearing seat 131 in the frame 1, frame 1 top is equipped with support frame 134, equal symmetric rotation formula is connected with 2 pulley 132 on bearing seat 131 and the support frame 134, homonymy pulley 132 is bilateral symmetry and sets up, guide way board 9 top is equipped with guide rail frame 135, sliding connection has striker plate 137 between the guide rail frame 135, striker plate 137 top left and right sides all is connected with cable wire 133, corresponding pulley 132 is walked around in proper order to cable wire 133 bottom, cable wire 133 bottom is connected with ejector pad 113, be connected with first reset spring 136 between striker plate 137 top and the guide rail frame 135.

Still including deburring mechanism 14, deburring mechanism 14 is including mounting panel 141, third driving motor 142, grinding wheel 143, wedge pole 144, second reset spring 145, contact piece 146 and third distance sensor 147, all the slidingtype wedge pole 144 that is equipped with in guide way board 9 top, wedge pole 144 front side all is connected with second reset spring 145 between the guide way board 9, sliding connection has grinding wheel 143 between the guide way board 9, right side wedge pole 144 rear side is equipped with mounting panel 141, mounting panel 141 top is equipped with third driving motor 142, the output shaft of third driving motor 142 is connected with grinding wheel 143 right side, striker plate 137 rear side bilateral symmetry is equipped with contact piece 146, contact piece 146 moves down and can contact with wedge pole 144, the trailing flank middle part of right side guide rail frame 135 is equipped with third distance sensor 147.

In an initial state, the steel cable 133 is tensioned to drive the striker plate 137 to move upwards, the first return spring 136 is compressed, the push block 113 moves backwards and does not tension the steel cable 133 any more, the first return spring 136 resets to drive the striker plate 137 to move downwards to limit the pushing range of the wood board, when the push block 113 moves forwards and resets, the striker plate 137 can be driven by the steel cable 133 to move upwards and does not block the wood board, and when the push block 113 moves backwards again to push a new wood board, the striker plate 137 starts to move downwards to further realize the effect of separating the wood board; when the striker plate 137 moves downwards, the third distance sensor 147 sends a signal when detecting that the distance between the striker plate 137 and the third distance sensor is greater than a preset value, the control module receives the signal and controls the third driving motor 142 to operate, the output shaft of the third driving motor 142 rotates to drive the grinding wheel 143 to rotate to grind and remove burrs on the wood board, the striker plate 137 continues to move downwards to drive the contact block 146 to move downwards to extrude the wedge rod 144 to move forwards, the wedge rod 144 moves forwards to drive the third driving motor 142 to move forwards through the mounting plate 141, and further drive the rotating grinding wheel 143 to move forwards, the second return spring 145 is compressed, when the striker plate 137 moves upwards to drive the contact block 146 to move upwards, the wedge rod 144 does not bear force to move backwards to be reset under the action of the second return spring 145, and then drive the grinding wheel 143 to move backwards to be reset through the third driving motor 142, the grinding wheel 143 moves backwards to be reset, and a guiding force can be added to the backward movement of the wood board, when the third distance sensor 147 detects that the distance between the third distance sensor and the striker plate 137 is no longer greater than the preset value, a signal is sent, the control module receives the signal and further controls the third driving motor 142 to stop operating, and the grinding wheel 143 stops rotating along with the signal.

Still including clamping mechanism 15, clamping mechanism 15 is including erection column 151, third reset spring 152 and clamp tight piece 153, and bilateral symmetry slidingtype is equipped with erection column 151 on the axle sleeve 6, is connected with between the erection column 151 bottom and presss from both sides tight piece 153, presss from both sides tight piece 153 and is located punching wheel 8 below, all is connected with third reset spring 152 between erection column 151 and the axle sleeve 6 bottom.

The dust removal device is characterized by further comprising a dust removal mechanism 16, wherein the dust removal mechanism 16 comprises a supporting bracket 161, a fan 162 and a starting switch 163, the supporting bracket 161 is arranged on the rear side of the supporting frame 134, the fan 162 is connected between the rear portions of the supporting brackets 161, the starting switch 163 is arranged on the right side of the dust cover 2, and the starting switch 163 is located on the rear side of the control switch 116.

When the shaft sleeve 6 moves downwards, the clamping block 153 is driven to contact with the wood block firstly, the punching wheel 8 moves downwards to punch the wood block, at the moment, the clamping block 153 moves upwards on the shaft sleeve 6, the third return spring 152 is compressed, the clamping block 153 can clamp the wood block, the wood block is prevented from deviating when the wood block is punched, after the punching is finished, the shaft sleeve 6 moves upwards, and the third return spring 152 resets to drive the clamping block 153 to move downwards for resetting; during the period staff can press starting switch 163 signals for a short time, control module received signal and then control fan 162 and rotate, and fan 162 rotates and blows away the saw-dust that produces when can punching from the plank, and it finishes to punch, presses starting switch 163 signals for a long time, and control module received signal and then control fan 162 stall.

The automatic phase-reversing hole punching equipment for the sound production is characterized by further comprising a control box 3, the control box 3 is arranged on the right side of the top of the dust cover 2, a switching power supply, a power supply module and a control module are installed in the control box 3, the switching power supply supplies power to the automatic phase-reversing hole punching equipment for the sound production, the output end of the switching power supply is electrically connected with the power supply module, a power supply main switch is connected to the power supply module through a circuit, and the power supply module is electrically connected with the control module; the control module is connected with a DS1302 clock circuit and a 24C02 circuit, the first distance sensor 10, the second distance sensor 126, the third distance sensor 147, the first travel switch 124, the second travel switch 125, the control switch 116 and the start switch 163 are all electrically connected with the control module, and the electric push rod 112, the fan 162, the first driving motor 7, the second driving motor 122 and the third driving motor 142 are all connected with the control module through peripheral circuits.

It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by using equivalent alternatives or equivalent variations fall within the scope of the present invention.