CN113732756A

CN113732756A - Automatic change sound pipe CNC processing equipment

Info

Publication number: CN113732756A
Application number: CN202111101382.3A
Authority: CN
Inventors: 黄昕
Original assignee: Zhongshan Rongjia Electronic Technology Co ltd
Current assignee: Zhongshan Rongjia Electronic Technology Co ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2021-12-03

Abstract

The invention discloses an automatic sound tube CNC processing device and a processing method thereof, wherein the automatic sound tube CNC processing device comprises a machine table, a machine frame capable of moving forwards and backwards is arranged on the machine table, a movable seat capable of moving leftwards and rightwards is arranged on the machine frame, a tool rest capable of moving upwards and downwards is arranged on the front side of the movable seat, a plurality of tools are uniformly distributed on the tool rest at intervals, and the automatic sound tube CNC processing device is characterized in that: the frame front side is equipped with the transmission device that can send into the sound pipe substrate into the knife rest below and carry out processing be equipped with in the frame and can insert in the sound pipe substrate reinforcing sound pipe substrate intensity, reduce the processing deformation, and can order about the supplementary processing mechanism that the sound pipe substrate breaks away from transmission device and upset. The automatic sound tube CNC processing equipment and the processing method thereof have the advantages of simple structure of the processing equipment, simple process of the processing method and convenient processing, can effectively improve the processing efficiency, reduce the deformation of the sound tube in the processing process and ensure the quality of products.

Description

Automatic change sound pipe CNC processing equipment

Technical Field

The invention relates to the technical field of sound tube processing equipment, in particular to automatic sound tube CNC (computer numerical control) processing equipment and a processing method thereof.

Background

The loudspeaker box is a terminal of the whole sound system and is used for converting audio electric energy into corresponding sound energy and radiating the sound energy into a space. When selecting the sound box, most young consumers not only need the sound box to have good tone quality, but also need to be fashionable and beautiful, and for young consumers living in a small room, the installation convenience and the space utilization degree of the young consumers need to be further considered. However, the existing sound boxes are generally heavy, monotonous in appearance and large in space, and therefore, a sound box in a slender tube shape is developed in the market.

The traditional sound tube is manufactured by opening a die, the price of the opened die is high, and products of different types need dies of different types, so that the production cost is high. Later, the sound tube blank is manufactured by a plastic extrusion molding process, and various grooves and holes are required to be processed on the sound tube blank. In order to facilitate the processing of various grooves and holes on the sound tube blank, CNC processing equipment is generally adopted. However, the existing sound tube CNC processing equipment generally has three pairs of sound tube fixing seats on the processing table top for fixing three sound tubes, a processing cutter is fixed on the portal frame, the three processing cutters correspond to the three sound tubes, after each three sound tubes are processed, the machine needs to be stopped, the processed three sound tubes are disassembled, then the three sound tubes which need to be processed are installed, the machine continues to process at the starting, so that the production efficiency is low, and the loss of the machine caused by the starting and stopping of the machine is large.

In addition, in the current CNC processing equipment, only adopt two sound pipe fixing bases to fix the both ends of sound pipe, because the span of sound pipe is great relatively, lead to in the course of working sound pipe base material to accept unevenly, take place the deformation easily, can't guarantee the quality of sound pipe.

Therefore, the existing sound tube CNC processing equipment and the processing method are to be further improved.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide the automatic sound tube CNC machining equipment which is simple in structure, can effectively reduce the deformation of a sound tube in the machining process and effectively improve the machining efficiency.

The invention further provides a sound tube machining method by adopting the automatic sound tube CNC machining equipment.

In order to achieve the first purpose, the invention adopts the following scheme: the utility model provides an automatic change sound pipe CNC processing equipment, including the board be equipped with the frame that can preceding, back move on the board be equipped with the sliding seat that can left and right remove in the frame be equipped with the knife rest that can reciprocate on the sliding seat front side be equipped with a plurality of cutters, its characterized in that at interval equipartition on the knife rest: the frame front side is equipped with the transmission device that can send into the sound pipe substrate into the knife rest below and carry out processing be equipped with in the frame and can insert in the sound pipe substrate reinforcing sound pipe substrate intensity, reduce the processing deformation, and can order about the supplementary processing mechanism that the sound pipe substrate breaks away from transmission device and upset. According to the invention, the transmission mechanism can convey the sound tube base material to the processing area where the tool rest is located, and the processed sound tube base material is sent out of the processing area, so that compared with the prior art which needs to be stopped, the three processed sound tubes are disassembled, and then the processing mode of the three sound tubes to be processed next is installed, so that the efficiency is higher; according to the invention, the auxiliary processing mechanism is used for supporting the inner wall of the sound tube base material, so that the strength of the sound tube base material on each surface is effectively improved, and the deformation generated in the processing process is effectively reduced.

As another improvement of the automatic sound tube CNC processing equipment, the auxiliary processing mechanism includes a sliding seat movably arranged on the frame, a vertical telescopic motor capable of driving the sliding seat to move up and down relative to the frame is arranged at the lower part of the frame, a plurality of rotating seats are arranged on the sliding seat at intervals, a rotating driving mechanism capable of driving the rotating seats to rotate is arranged on the sliding seat, a transverse telescopic motor is arranged in the rotating seat, a square frame is arranged on a motor shaft of the transverse telescopic motor, four surfaces of the square frame along the length direction are respectively provided with a hinge mechanism, a reinforcing top pressure plate is arranged on the hinge mechanism, and a hinge driving mechanism capable of driving the four hinge mechanisms simultaneously so as to enable the reinforcing top pressure plate to be pressed on the inner wall of the sound tube substrate is arranged on the square frame. According to the invention, the vertical position of the auxiliary processing mechanism can be adjusted through the vertical telescopic motor, so that the sound tube base material can be separated from the transmission mechanism, the hinge driving mechanism can be driven to drive the reinforcing jacking plate to jack the reinforcing jacking plate on the inner wall of the sound tube base material, the strength of each surface to be processed of the sound tube base material is improved, the sound tube base material and the square frame can synchronously rotate, the square frame can be driven to rotate by a fixed angle through the rotary driving mechanism, the processing surface of the sound tube base material is changed, and the square frame can be driven to extend into or out of the sound tube base material through the transverse telescopic motor.

As another improvement of the automatic sound tube CNC processing equipment, a garbage conveying mechanism which can send the garbage falling into the sound tube base material in the CNC processing process out of the front end of the sound tube base material is arranged in the square frame, the garbage conveying mechanism comprises a bearing seat arranged in the rear end of the square frame, a bearing is arranged in the bearing seat, a round seat is fixedly connected on the outer ring of the bearing, a conveyor belt mounting rack is arranged on the front end face of the round seat, rotating shafts are respectively arranged at two ends of the conveyor belt mounting rack, a first conveyor belt is sleeved on the rotating shafts, a driving motor is arranged on one side of the conveyor belt mounting rack and is connected with one of the rotating shafts, and a balance weight block is arranged at the position corresponding to the driving motor at the other side of the conveyor belt mounting frame, and a bottom weight block extending downwards is arranged on the lower side surface of the conveyor belt mounting frame. According to the invention, the driving motor drives the rotating shaft to drive the first conveying belt to rotate towards the front end in a circulating manner, so that garbage falling into the sound tube base material in the CNC machining process is sent out of the front end of the sound tube base material. Effectively reduce the inside rubbish of sound pipe substrate the amount of residue in the course of working, avoid rubbish adhesion cutter, influence the processing effect.

As another improvement of the automatic sound tube CNC processing equipment, the hinge mechanism comprises X-shaped brackets arranged at intervals, one leg at the lower end of each X-shaped bracket is hinged to the front end of the square bracket, a moving frame is sleeved on the square bracket, the other leg at the lower end of each X-shaped bracket is hinged to the moving frame, and two angles at the upper end of each X-shaped bracket are respectively hinged to the front end and the rear end of the reinforced top pressure plate; the hinge driving mechanism comprises a driving seat arranged on the outer wall of one corner of the square frame, an electric telescopic rod or a telescopic cylinder is arranged in the driving seat, and the movable end of the electric telescopic rod or the movable end of the telescopic cylinder is connected with the movable frame. According to the invention, the movable frame can be driven to move back and forth on the square frame through the electric telescopic rod or the telescopic cylinder of the hinge driving mechanism, so that a plurality of hinge mechanisms can be driven to be synchronously opened or closed at the same time, and the enhanced top pressure plate can simultaneously press against the inner wall of the sound tube base material or be separated from the inner wall of the sound tube base material.

As another improvement of the automatic sound tube CNC processing equipment, the transmission mechanism comprises supporting seats arranged on two sides of a machine table, a roller shaft is arranged on the supporting seat, a second conveying belt is sleeved on the roller shaft, clamp seats are uniformly distributed on the second conveying belt at intervals, the front end of the clamp seat is hinged with a movable clamp, an adsorption mechanism is arranged between the rear end of the clamp seat and the rear end of the movable clamp, an annular groove penetrating through the second conveying belt and the clamp seat is arranged on the rear side of the second conveying belt, a connecting lever is arranged in the second conveying belt, an arc-shaped arch block which can drive the rear end of the movable clamp to be separated from the adsorption mechanism and turn forwards is arranged at the corresponding position of the connecting bar and the annular groove, the movable clamp is provided with a roller at a position corresponding to the arc-shaped arch block, and a clamping mechanism capable of clamping the sound tube substrate when the movable clamp rotates forwards is arranged in the movable clamp. In the invention, in the rotating process of the second conveying belt, the rear end of the movable clamp is adsorbed on the clamp seat under the action of the adsorption mechanism, so that the movable clamp is effectively prevented from being separated from the clamp seat. When the movable clamp runs to the arc-shaped arch block, the adsorption mechanism is squeezed open, the movable clamp is separated from the clamp seat, the sound tube base material on the movable clamp inclines forwards along with the rising of the arc-shaped arch block, the sound tube base material slides forwards under the action of gravity, and therefore the clamping mechanism is triggered to work to clamp the sound tube base material, and the sound tube base material is guaranteed not to be separated from the movable clamp. Through driving about the sound pipe substrate and inclining forward, effectively pour out the inside residual rubbish of sound pipe substrate. After the arc arch piece is crossed to movable clamp, under the effect of gravity, the movable clamp whereabouts resets to adsorb again with the anchor clamps seat under adsorption apparatus's effect together, at this moment, fixture and sound pipe substrate reset, thereby guarantee that the sound pipe substrate after the processing is accomplished can be taken out smoothly.

As another improvement of the automatic sound tube CNC machining equipment, the movable clamp comprises a clamp body, the lower portion of the front end of the clamp body is hinged to a clamp seat through a hinge shaft, a supporting plate is arranged in the middle of the clamp body, and limiting plates are arranged on two sides of the supporting plate respectively. The movable clamp has a simple structure and can effectively support the sound tube base material.

As another improvement of the automatic sound tube CNC processing equipment, the clamping mechanism comprises clamping plates symmetrically arranged between two limiting plates, an accommodating groove is arranged on the upper surface of each supporting plate, driving gear assemblies are symmetrically arranged in the accommodating groove, shaft holes on two sides are symmetrically arranged on the supporting plates in the accommodating groove, each driving gear assembly comprises a gear shaft arranged in the shaft hole, the upper end of each gear shaft extends out of the accommodating groove and is provided with a driving wheel, a plurality of driving teeth are arranged on the driving wheel, the lower end of each gear shaft extends out of the lower surface of the corresponding supporting plate and is provided with a transmission gear, a driving ring is connected to the lower end surface of each clamping plate, transmission teeth are respectively arranged on the upper inner side and the lower inner side of the driving ring at the position corresponding to the driving wheel and can be meshed with the driving teeth, a sliding long groove is arranged in the clamp body along the length direction, the left side wall and the right side wall of the clamp body are respectively provided with a communicating groove hole communicated with the sliding long groove, a sliding rod is arranged in the sliding long groove, the left side and the right side of the sliding rod in the communicating groove hole are respectively provided with a driving rack, the driving racks are meshed with a transmission gear on the same side, a return spring is sleeved on the sliding rod between the front end of the driving rack and the front end of the communicating groove hole, and the front end of the sliding rod is provided with a blocking block protruding upwards. According to the invention, the sound tube base material can be effectively prevented from being separated from the movable clamp in the forward tilting process through the clamping mechanism, so that the sound tube base material can dump and clean garbage in the sound tube base material.

As another improvement of the automatic sound tube CNC machining equipment, the adsorption mechanism comprises a first magnet arranged in the lower end face of the rear side of the movable clamp, and a second magnet is arranged on the position, corresponding to the first magnet, of the clamp seat. According to the invention, the movable clamp and the clamp seat can be detachably connected through the mutual matching of the first magnet and the second magnet.

As another improvement of the automatic sound tube CNC machining equipment, a garbage collection box is arranged at the front end of the machine table, and a guide piece capable of guiding garbage to fall into the garbage collection box is arranged on a rear side plate of the garbage collection box. According to the invention, the garbage sent out by the garbage conveying mechanism and the garbage sent out by the sound tube base material in a forward-inclined manner can be guided to smoothly enter the garbage collection box through the guide piece, so that the cleanness of a processing environment is ensured, and the processing quality is effectively improved.

In order to achieve the second purpose, the invention adopts the following scheme: a sound tube CNC machining method based on the automatic sound tube CNC machining equipment is characterized by comprising the following steps:

s1, feeding the sound tube base materials to be processed into a transmission mechanism one by one;

s2, controlling the transmission mechanism to send the sound tube base material into the processing area where the cutter rest is located;

s3, adjusting the positions of the frame and the movable seat to align the auxiliary processing mechanism with the sound tube base material;

s4, controlling the auxiliary processing mechanism to stretch into the sound tube base material, and opening the auxiliary processing mechanism to support each wall surface of the sound tube base material;

s5, adjusting the tool rest to enable the tool rest to enter a preset processing position, and starting the tool to process the sound tube base material; after the sound tube base material is processed, controlling the auxiliary processing mechanism to ascend to enable the sound tube base material to be separated from the transmission mechanism and then rotate for an angle, and controlling the auxiliary processing mechanism to descend to return to the transmission mechanism to process the second lower surface;

and S6, after the surfaces of the sound tube base material are processed, controlling the auxiliary processing mechanism to move backwards to withdraw from the sound tube base material, and controlling the transmission mechanism to move rightwards to send out the sound tube base material.

In summary, compared with the prior art, the invention has the beneficial effects that: the automatic sound tube CNC processing equipment and the processing method thereof have the advantages of simple structure of the processing equipment, simple process of the processing method and convenient processing, can effectively improve the processing efficiency, reduce the deformation of the sound tube in the processing process and ensure the quality of products.

Drawings

Fig. 1 is a perspective view of the front side of the present invention.

Fig. 2 is a perspective view of the rear side of the present invention.

FIG. 3 is a schematic view of an auxiliary processing mechanism according to the present invention.

FIG. 4 is a schematic diagram of the detachment of the reinforcing top pressure plate from the sound tube substrate according to the present invention.

FIG. 5 is a schematic view of the present invention with the top pressure plate and the sound tube substrate pressed against each other.

Fig. 6 is a schematic view of the open state of the auxiliary processing mechanism of the present invention.

Fig. 7 is a partial structural view of fig. 6.

Fig. 8 is a partial cross-sectional view of the present invention.

Fig. 9 is a schematic view of a movable clamp of the present invention.

Fig. 10 is a perspective view of the movable clamp of the present invention.

Fig. 11 is a schematic view of the garbage transporting mechanism of the present invention.

In the figure: 1. a machine platform; 101. a first track; 102. moving the base; 103. a first moving motor; 2. a frame; 21. a transverse seat; 22. a transverse slide rail; 23. a transverse slide block; 24. a second moving motor; 3. a movable seat; 4. a tool holder; 41. a vertical slide rail; 42. a vertical slide carriage; 43. a third telescopic motor; 5. a cutter; 6. a sound tube base material; 7. a transport mechanism; 70. an arc-shaped arch block; 71. a supporting seat; 72. a drum shaft; 73. a second conveyor belt; 74. a clamp seat; 75. a movable clamp; 751. a clamp body; 752. a support plate; 753. a limiting plate; 76. an adsorption mechanism; 761. a first magnet; 762. a second magnet; 77. an annular groove; 78. a connecting bar; 79. a clamping mechanism; 791. a clamping plate; 792. a containing groove; 793. a drive gear assembly; 7931. a gear shaft; 7932. a drive wheel; 7933. a drive tooth; 7934. a transmission gear; 7935. a drive ring; 7936. a transmission gear; 7937. a sliding long groove; 7938. the groove hole is communicated; 7939. a slide bar; 79310. a drive rack; 79311. a return spring; 79312. a blocking block; 710. a roller; 8. an auxiliary processing mechanism; 81. a sliding seat; 82. a vertical telescopic motor; 83. a rotating base; 84. a rotation driving mechanism; 85. a transverse telescopic motor; 86. a square frame; 87. a hinge mechanism; 871. an X-shaped bracket; 872. moving the frame; 8721. a limiting bump; 88. enhancing the top pressing plate; 89. a hinge drive mechanism; 891. a driving seat; 892. an electric telescopic rod; 9. a waste conveying mechanism; 91. a bearing seat; 92. a bearing; 93. a circular seat; 94. a conveyor belt mounting frame; 95. a first conveyor belt; 96. a drive motor; 97. balancing the balancing weight block; 98. a bottom counterweight block; 10. a garbage collection box; 11. a guide member.

Detailed Description

The above and further features and advantages of the present invention are described in more detail below with reference to the accompanying drawings.

Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and do not limit the scope of the present invention.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Furthermore, it should be noted that, in the description of the present invention, 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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1-10, an automatic sound tube CNC machining equipment, including board 1 be equipped with frame 2 that can move before and after on board 1 be equipped with the sliding seat 3 that can left and right remove on frame 2 be equipped with the knife rest 4 that can reciprocate on the sliding seat 3 front side be equipped with a plurality of cutters 5 of interval equipartition on the knife rest 4 frame 2 front side is equipped with can send sound tube substrate 6 into the transmission device 7 that carries out processing below knife rest 4 be equipped with on frame 2 can insert the interior reinforcing sound tube substrate 6 intensity of sound tube substrate 6, reduce the processing deformation, and can order about the supplementary processing agency 8 that sound tube substrate 6 breaks away from transmission device 7 and overturns.

According to the invention, the first rails 101 are arranged on the machine table 1 at intervals, the movable base 102 is arranged at the lower end of the rack 2, the movable base 102 is arranged on the first rails 101, the first movable motor 103 is arranged on the movable base 102, the first driving roller on the first movable motor 103 abuts against the first rails 101, and the movable base 102 is driven to move on the first rails 101 by controlling the first movable motor 103 to drive the first driving roller to rotate, so that the front and back adjustment of the rack 2 is realized.

In the invention, a transverse sliding seat perpendicular to the first rail 101 can be further arranged on the first rail 101, a transverse moving motor and a second driving roller are arranged on the transverse sliding seat, the transverse rails are arranged on the transverse sliding seat at intervals, a moving base 102 is arranged at the lower end of the rack 2, the moving base 102 is arranged on the transverse rails, a first moving motor 103 is arranged on the moving base 102, and the first driving roller on the first moving motor 103 abuts against the transverse rails. The left-right direction and the front-rear direction of the frame 2 can be adjusted by the first moving motor 103 and the traverse moving motor.

The movable seat 3 comprises a transverse seat 21 arranged on the rack 2, a transverse slide rail 22 is arranged on the transverse seat 21, a transverse slide block 23 is movably arranged on the transverse slide rail 22, a second movable motor 24 and a second driving roller wheel which can drive the transverse slide block 23 to slide left and right on the transverse slide rail 22 are arranged on the transverse slide block 23, and the second driving roller wheel is arranged on a motor shaft of the second movable motor 24 and is abutted against the surface of the transverse slide rail 22. The position of the tool post 4 in the left-right direction can be adjusted by controlling the second moving motor 24 to drive the transverse slide block 23 to move.

The tool rest 4 comprises vertical slide rails 41 arranged on the front wall surface of the transverse slide block 23 at intervals, a vertical slide seat 42 is arranged on the vertical slide rails 41 in a sliding manner, a plurality of tools 5 are uniformly distributed on the vertical slide seat 42 at intervals, a third telescopic motor 43 is arranged on the transverse slide block 23, and the upper end of the vertical slide seat 42 is connected with a motor shaft of the third telescopic motor 43. The vertical slide seat 42 can be controlled to drive the cutter 5 to move up and down by controlling the third telescopic motor 43.

In the invention, the transmission mechanism 7 can convey the sound tube base material 6 to the processing area where the tool rest 4 is positioned, and send the processed sound tube base material 6 out of the processing area, compared with the processing mode that the machine needs to be stopped in the prior art, the processed three sound tubes are disassembled, and then the next three sound tubes needing to be processed are installed, so that the efficiency is higher; in the invention, the auxiliary processing mechanism 8 is used for supporting the inner wall of the sound tube base material 6, so that the strength of the sound tube base material 6 on each surface is effectively improved, and the deformation generated in the processing process is effectively reduced.

The auxiliary processing mechanism 8 comprises a sliding seat 81 movably arranged on a frame 2, a vertical telescopic motor 82 capable of driving the sliding seat 81 to move up and down relative to the frame 2 is arranged at the lower part of the frame 2, a plurality of rotating seats 83 are arranged on the sliding seat 81 at intervals, a rotating driving mechanism 84 capable of driving the rotating seats 83 to rotate is arranged on the sliding seat 81, a transverse telescopic motor 85 is arranged in the rotating seats 83, a square frame 86 is arranged on a motor shaft of the transverse telescopic motor 85, hinge mechanisms 87 are respectively arranged on four surfaces of the square frame 86 along the length direction, reinforcing top pressure plates 88 are arranged on the hinge mechanisms 87, and hinge driving mechanisms 89 capable of simultaneously driving the four hinge mechanisms 87 are arranged on the square frame 86 so that the reinforcing top pressure plates 88 press the inner wall of a sound tube base material 6.

According to the invention, the vertical position of the auxiliary processing mechanism 8 can be adjusted through the vertical telescopic motor 82, so that the sound tube substrate 6 can be separated from the transmission mechanism 7, the hinge mechanism 87 can be driven by the hinge driving mechanism 89 to drive the reinforcing top pressure plate 88 to be pressed on the inner wall of the sound tube substrate 6, so that the strength of each surface to be processed of the sound tube substrate 6 is improved, the sound tube substrate 6 and the square frame 86 can synchronously rotate, the square frame 86 can be driven to rotate for a fixed angle through the rotary driving mechanism 84, so that the processing surface of the sound tube substrate 6 is changed, the square frame 86 can be driven to extend into or extend out of the sound tube substrate 6 through the transverse telescopic motor, and the device is more rapid and efficient compared with the existing mode of dismounting a sound tube fixing seat.

In one embodiment of the rotation driving mechanism 84 of the present invention, a belt pulley 841 is disposed at the rear end of the rotating base 83, a transmission belt is sleeved on the belt pulley, a rotation driving motor 842 is disposed on the sliding base 81, a driving belt pulley 843 is disposed on the rotation driving motor, and a driving belt is sleeved between the driving belt pulley and one of the belt pulleys. The plurality of rotary bases 83 can be controlled to rotate synchronously by the rotary driving motor.

In the invention, a garbage conveying mechanism 9 which can send the garbage falling into the voice tube base material 6 in the CNC processing process out of the front end of the voice tube base material 6 is arranged in the square frame 86, the garbage conveying mechanism 9 comprises a bearing seat 91 arranged in the rear end of the square frame 86, a bearing 92 is arranged in the bearing seat 91, a circular seat 93 is fixedly connected with the outer ring of the bearing 92, a conveyor belt mounting rack 94 is arranged on the front end surface of the round seat 93, rotating shafts are respectively arranged on the two ends of the conveyor belt mounting rack 94, a first conveyor belt 95 is sleeved on the rotating shaft, a driving motor 96 is arranged on one side of the conveyor belt mounting rack 94, the driving motor 96 is connected with one rotating shaft, a balancing weight 97 is provided at the other side of the conveyor belt mounting frame 94 corresponding to the driving motor 96, and a bottom balancing weight 98 extending downward is provided on the lower side of the conveyor belt mounting frame 94. In the invention, the driving motor 96 drives the rotating shaft to drive the first conveying belt 95 to rotate towards the front end in a circulating manner, so that the garbage falling into the sound tube substrate 6 in the CNC machining process is sent out of the front end of the sound tube substrate 6; when the rotary driving mechanism 84 drives the square frame 86 to rotate, the conveyor belt mounting frame 94 is always kept at the horizontal position due to the action of the bottom balancing weight 98 and the bearing 92, so that the front end of the sound tube substrate 6 can be sent out by the first conveyor belt 95 to collect garbage or waste materials formed in the processing process no matter which processing surface the sound tube substrate 6 is switched to. Effectively reduce the residual quantity of the inside rubbish of sound pipe substrate 6, avoid rubbish adhesion cutter, influence the processing effect.

The hinge mechanism 87 comprises X-shaped supports 871 arranged at intervals, one foot at the lower end of each X-shaped support 871 is hinged to the front end of a square frame 86, a moving frame 872 is sleeved on the square frame 86, the other foot at the lower end of each X-shaped support 871 is hinged to the moving frame 872, and two angles at the upper end of each X-shaped support 871 are respectively hinged to the front end and the rear end of a reinforced top pressure plate 88; the hinge driving mechanism 89 comprises a driving seat 891 arranged on the outer wall of one of the corners of the square frame 86, an electric telescopic rod 892 or a telescopic cylinder is arranged in the driving seat 891, and the movable end of the electric telescopic rod 892 or the movable end of the telescopic cylinder is connected with a movable frame 872.

In the invention, the electric telescopic rod 892 or the telescopic cylinder of the hinge driving mechanism 89 can drive the moving frame 872 to move back and forth on the square frame 86, so that a plurality of hinge mechanisms 87 can be driven to synchronously open or close at the same time, and the enhanced jacking plate 88 can simultaneously jack against the inner wall of the sound tube base material 6 or break away from the inner wall of the sound tube base material 6.

In the invention, the reinforced top pressure plate 88 is provided with a hollow hole corresponding to a preset processing slotted hole.

In one embodiment of the reinforced roof pressure plate 88 of the present invention, the reinforced roof pressure plate 88 includes a plate frame 881, T-shaped connecting grooves 882 are respectively disposed on two sides of the upper end surface of the plate frame 881 along the length direction, a roof pressure plate 883 is inserted into the T-shaped connecting grooves 882, and a hollow hole corresponding to a predetermined processing slot hole is disposed on the roof pressure plate 883. In the embodiment, different top pressure plates can be replaced according to different sound tube processing positions, and the use is convenient.

In the invention, guide long grooves 861 are symmetrically arranged on each surface of the square frame 86 along the length direction, a limiting bump 8721 is arranged at a position of the moving frame 872 corresponding to the guide long grooves 861, and the limiting bump 8721 is arranged in the guide long grooves 861 in a sliding manner, so that the moving frame 872 can move more stably.

In one embodiment of the X-shaped support 871 in the present invention, the X-shaped support 871 comprises two support strips, wherein a connecting convex column is disposed in the middle of one support strip, a waist-shaped slot is disposed on the other support strip, and the connecting convex column is movably disposed in the waist-shaped slot.

The transmission mechanism 7 of the invention comprises supporting seats 71 arranged on both sides of a machine table 1, roller shafts 72 are arranged on the supporting seats 71, a second conveying belt 73 is sleeved on the roller shafts 72, one of the roller shafts 72 is connected with a transmission rotating motor, clamp seats 74 are uniformly distributed on the second conveying belt 73 at intervals, a movable clamp 75 is hinged at the front end of the clamp seat 74, an adsorption mechanism 76 is arranged between the rear end of the clamp seat 74 and the rear end of the movable clamp 75, an annular groove 77 penetrating through the second conveying belt 73 and the clamp seat 74 is arranged on the rear side of the second conveying belt 73, a connecting bar 78 is arranged in the second conveying belt 73, an arc-shaped arch block 70 capable of driving the rear end of the movable clamp 75 to be separated from the adsorption mechanism 76 and turned over forwards is arranged at the position of the connecting bar 78 corresponding to the annular groove 77, a roller 710 is arranged at the position of the movable clamp 75 corresponding to the arc-shaped arch block 70, a clamping mechanism 79 capable of clamping the sound tube base material 6 when the movable clamp 75 is rotated forward is provided in the movable clamp 75. When the movable clamp 75 runs to the arc-shaped arch block 70, the adsorption mechanism 76 is squeezed open, the movable clamp 75 is separated from the clamp seat 74, the sound tube base material 6 on the movable clamp 75 inclines forwards along with the ascending of the arc-shaped arch block 70, the sound tube base material 6 slides forwards under the action of gravity, and therefore the clamping mechanism 79 is triggered to work to clamp the sound tube base material 6, and therefore the sound tube base material 6 is guaranteed not to be separated from the movable clamp 75. By driving the sound tube base material 6 to incline forwards, the residual garbage in the sound tube base material 6 is effectively poured out. After the movable clamp 75 passes over the arc-shaped arch block 70, the movable clamp 75 falls and resets under the action of gravity, and adsorbs with the clamp seat 74 again under the action of the adsorption mechanism 76, and at this time, the clamping mechanism 79 and the sound tube substrate 6 reset, so that the sound tube substrate 6 after being processed can be taken out smoothly.

The movable clamp 75 comprises a clamp body 751, the lower part of the front end of the clamp body 751 is hinged on a clamp seat 74 through a hinge shaft, a support plate 752 is arranged in the middle of the clamp body 751, and limit plates 753 are respectively arranged on two sides of the support plate 752.

The clamping mechanism 79 comprises a clamping plate 791 symmetrically arranged between two limiting plates 753, wherein an accommodating groove 792 is arranged on the upper surface of a supporting plate 752, driving gear assemblies 793 are symmetrically arranged in the accommodating groove 792, shaft holes on two sides are symmetrically arranged on the supporting plate 752 in the accommodating groove 792, the driving gear assemblies 793 comprise a gear shaft 7931 arranged in the shaft holes, the upper end of the gear shaft 7931 extends out of the accommodating groove 792 and is provided with a driving wheel 7932, a plurality of driving teeth 7933 are arranged on the driving wheel 7932, the lower end of the gear shaft 7931 extends out of the lower surface of the supporting plate 752 and is provided with a transmission gear 7934, the lower end surface of the clamping plate 791 is connected with a driving ring 7935, the upper inner side and the lower inner side of the driving ring 7935 at the corresponding position to the driving wheel 7932 are respectively provided with driving teeth 7936, the driving teeth 7936 can be meshed with the driving teeth 7933, a sliding long groove 7937 is arranged in the clamp body 751 along the length direction, the clamp body 751 is provided with a communicating slot 7938 on the left and right side walls respectively communicated with the sliding slot 7937, a sliding rod 7939 is arranged in the sliding slot 7937, driving racks 79310 are arranged on the left and right sides of the sliding rod 7939 in the communicating slot 7938 respectively, the driving rack 79310 is meshed with a transmission gear 7934 on the same side, a return spring 79311 is sleeved on the sliding rod 7939 between the front end of the driving rack 79310 and the front end of the communicating slot 7938, and a blocking block 79312 protruding upwards is arranged at the front end of the sliding rod 7939.

The slide bar 7939 of the present invention has a square bar 79391 at the front end, a circular bar 79392 at the middle and a square bar at the rear end, and the driving racks 79310 are provided on the left and right sides of the square bar at the rear end. The round rod is sleeved with a limiting piece, and the front end of the return spring 79311 is pressed against the limiting piece, so that the return spring 79311 is effectively prevented from entering the sliding long groove 7937.

When the clamp body 751 runs to the arc-shaped arch block 70, the clamp body 751 rotates forwards, the sound tube base material 6 extrudes the blocking block 79312 and the return spring 79311 forwards under the action of gravity, the blocking block 79312 drives the sliding rod 7939 to drive the driving rack 79310 to move forwards in an inclined manner, the driving rack 79310 drives the transmission gear 7934 and the driving wheel 7932 to rotate, the driving teeth 7933 on the driving wheel 7932 stir the transmission teeth 7936 in the driving ring 7935, and the two driving rings 7935 are driven to respectively drive the clamping plates 791 to approach each other, so that the sound tube base material 6 is clamped, and the sound tube base material 6 is effectively prevented from being separated from the movable clamp 75 in the forward overturning process. After passing through the arc-shaped arch piece 70, the sound tube base material 6 falls and resets under the action of gravity, at this time, the pressure of the stop block 79312 vertically upwards is reduced, the sound tube base material 6 moves backwards under the action of the reset spring 79311, and the two clamping plates 791 are released outwards, so that the sound tube base material 6 can be taken out smoothly.

The adsorption mechanism 76 of the present invention includes a first magnet 761 provided in a lower end surface of a rear side of the movable clamp 75, and a second magnet 762 is provided in a position of the clamp holder 74 corresponding to the first magnet 761. The detachable connection between the movable clamp 75 and the clamp base 74 is formed by the first magnet 761 and the second magnet 762 cooperating with each other in the present invention.

The front end of the machine table 1 is provided with a garbage collection box 10, and the rear side plate of the garbage collection box 10 is provided with a guide piece 11 which can guide garbage to fall into the garbage collection box 10. According to the invention, the garbage sent out by the garbage conveying mechanism 9 and the garbage sent out by the sound tube base material 6 in a forward tilting manner can be guided to smoothly enter the garbage collection box 10 through the guide piece 11, so that the cleanness of a processing environment is ensured, and the processing quality is effectively improved.

The invention discloses a sound tube CNC machining method, which comprises the following steps of:

s1, feeding the sound tube base materials 6 to be processed into the transmission mechanism 7 one by one; in the invention, the sound tube base materials 6 can be fed into the transmission mechanism 7 one by one manually or by a mechanical arm.

S2, controlling the transmission mechanism 7 to send the sound tube base material 6 into the processing area where the tool rest 4 is located;

s3, adjusting the positions of the frame 2 and the movable seat 3 to align the auxiliary processing mechanism 8 with the sound tube base material 6;

s4, controlling the auxiliary processing mechanism 8 to stretch into the sound tube base material 6, and opening the auxiliary processing mechanism 8 to support each wall surface of the sound tube base material 6;

s5, adjusting the tool rest 4 to enable the tool rest to enter a preset processing position, and starting a cutter to process the sound tube base material 6; after the sound tube base material 6 is processed, controlling the auxiliary processing mechanism 8 to ascend to enable the sound tube base material 6 to be separated from the transmission mechanism 7 and then rotate for an angle, and controlling the auxiliary processing mechanism 8 to descend to the transmission mechanism 7 to process the second lower surface;

and S6, after the surfaces of the sound tube base material 6 are processed, controlling the auxiliary processing mechanism 8 to move backwards to withdraw from the sound tube base material 6, and controlling the transmission mechanism 7 to move rightwards to send out the sound tube base material 6.

The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof。

Claims

1. The utility model provides an automatic change sound pipe CNC processing equipment, including board (1) be equipped with frame (2) that can preceding, back remove on board (1) be equipped with movable seat (3) that can left and right remove on frame (2) be equipped with knife rest (4) that can reciprocate on movable seat (3) front side knife rest (4) are gone up the interval equipartition and are had a plurality of cutters (5), its characterized in that: the utility model discloses a sound pipe processing machine, including frame (2) front side be equipped with can send into sound pipe substrate (6) transmission device (7) that knife rest (4) below was processed frame (2) front side be equipped with on frame (2) can insert in sound pipe substrate (6) strengthen sound pipe substrate (6) intensity, reduce the processing deformation, and can order about sound pipe substrate (6) break away from transmission device (7) and supplementary processing mechanism (8) of upset.

2. The automatic sound tube CNC machining equipment according to claim 1, wherein the auxiliary machining mechanism (8) comprises a sliding seat (81) movably arranged on the machine frame (2), a vertical telescopic motor (82) capable of driving the sliding seat (81) to move up and down relative to the machine frame (2) is arranged at the lower portion of the machine frame (2), a plurality of rotating seats (83) are arranged on the sliding seat (81) at intervals, a rotary driving mechanism (84) capable of driving the rotating seats (83) to rotate is arranged on the sliding seat (81), a transverse telescopic motor (85) is arranged in the rotating seat (83), a square frame (86) is arranged on a motor shaft of the transverse telescopic motor (85), hinge mechanisms (87) are respectively arranged on four surfaces of the square frame (86) along the length direction, and a reinforcing jacking plate (88) is arranged on the hinge mechanisms (87), and the square frame (86) is provided with a hinge driving mechanism (89) which can simultaneously drive four hinge mechanisms (87) so as to enable the enhanced jacking plate (88) to jack against the inner wall of the sound tube base material (6).

3. The automatic sound tube CNC processing equipment of claim 2, characterized in that a garbage conveying mechanism (9) which can convey garbage falling into the sound tube base material (6) in the CNC processing process out of the front end of the sound tube base material (6) is arranged in the square frame (86), the garbage conveying mechanism (9) comprises a bearing seat (91) arranged in the rear end of the square frame (86), a bearing (92) is arranged in the bearing seat (91), a round seat (93) is fixedly connected to the outer ring of the bearing (92), a conveyor belt mounting frame (94) is arranged on the front end face of the round seat (93), rotating shafts are respectively arranged on two ends of the conveyor belt mounting frame (94), a first conveyor belt (95) is sleeved on the rotating shafts, a driving motor (96) is arranged on one side of the conveyor belt mounting frame (94), and the driving motor (96) is connected with one of the rotating shafts, and a balancing weight block (97) is arranged at the other side of the conveyor belt mounting frame (94) and at the position corresponding to the driving motor (96), and a bottom balancing weight block (98) extending downwards is arranged on the lower side surface of the conveyor belt mounting frame (94).

4. The automatic sound tube CNC machining equipment of claim 2 is characterized in that the hinge mechanism (87) comprises X-shaped supports (871) which are arranged at intervals, one foot at the lower end of each X-shaped support (871) is hinged to the front end of a square frame (86), a moving frame (872) is sleeved on each square frame (86), the other foot at the lower end of each X-shaped support (871) is hinged to the moving frame (872), and two angles at the upper end of each X-shaped support (871) are respectively hinged to the front end and the rear end of a reinforced top pressure plate (88); hinge actuating mechanism (89) are including setting up drive seat (891) on one of them angle outer wall of square frame (86) drive and be equipped with electric telescopic handle (892) or telescopic cylinder in drive seat (891), the expansion end of electric telescopic handle (892) or telescopic cylinder's expansion end is connected with removal frame (872).

5. The automatic sound tube CNC machining equipment according to claim 1, wherein the transmission mechanism (7) comprises supporting seats (71) arranged on two sides of the machine table (1), a roller shaft (72) is arranged on each supporting seat (71), a second conveying belt (73) is sleeved on each roller shaft (72), clamp seats (74) are evenly distributed on each second conveying belt (73) at intervals, a movable clamp (75) is hinged to the front end of each clamp seat (74), an adsorption mechanism (76) is arranged between the rear end of each clamp seat (74) and the rear end of each movable clamp (75), an annular groove (77) penetrating through each second conveying belt (73) and each clamp seat (74) is arranged on the rear side of each second conveying belt (73), a connecting rod (78) is arranged in each second conveying belt (73), and a position, corresponding to the annular groove (77), of each connecting rod (78) can drive the rear end of each movable clamp (75) to be separated from the adsorption mechanism (77) 76) The movable clamp (75) is provided with a roller (710) at a position corresponding to the arc-shaped arch block (70), and the movable clamp (75) is internally provided with a clamping mechanism (79) which can clamp the sound tube base material (6) when the movable clamp (75) rotates forwards.

6. The automatic sound tube CNC machining equipment of claim 5 is characterized in that the movable clamp (75) comprises a clamp body (751), the lower portion of the front end of the clamp body (751) is hinged on a clamp seat (74) through a hinge shaft, a support plate (752) is arranged in the middle of the clamp body (751), and limit plates (753) are respectively arranged on two sides of the support plate (752).

7. The automatic sound tube CNC machining equipment of claim 6, characterized in that the clamping mechanism (79) comprises a clamping plate (791) symmetrically arranged between two limiting plates (753), an accommodating groove (792) is formed in the upper surface of the supporting plate (752), a driving gear assembly (793) is symmetrically arranged in the accommodating groove (792), shaft holes on two sides are symmetrically arranged on the supporting plate (752) in the accommodating groove (792), the driving gear assembly (793) comprises a gear shaft (7931) arranged in the shaft holes, the upper end of the gear shaft (7931) extends out of the accommodating groove (792) and is provided with a driving wheel (7932), a plurality of driving teeth (7933) are arranged on the driving wheel (7932), the lower end of the gear shaft (7931) extends out of the lower surface of the supporting plate (752) and is provided with a transmission gear (7934), a driving ring (7935) is connected to the lower end surface of the clamping plate (791), driving teeth (7936) are respectively arranged on the upper inner side and the lower inner side of the driving ring (7935) at the corresponding position of the driving wheel (7932), the driving teeth (7936) can be meshed with the driving teeth (7933), a sliding long groove (7937) is arranged in the clamp body (751) along the length direction, communication slotted holes (7938) communicated with the sliding long groove (7937) are respectively arranged on the left side wall and the right side wall of the clamp body (751), a sliding rod (7939) is arranged in the sliding long groove (7937), driving racks (79310) are respectively arranged on the left side and the right side of the sliding rod (7939) in the communicating groove hole (7938), the driving rack (79310) is meshed with the transmission gear (7934) on the same side, a return spring (79311) is sleeved on a sliding rod (7939) between the front end of the driving rack (79310) and the front end of the communicating groove hole (7938), a stopper 79312 is provided on the front end of the slide bar 7939 to protrude upward.

8. The automatic sound tube CNC machining equipment of claim 5, wherein the adsorption mechanism (76) comprises a first magnet (761) arranged in a lower end face of the rear side of the movable clamp (75), and a second magnet (762) is arranged on a position, corresponding to the first magnet (761), of the clamp seat (74).

9. The automatic sound tube CNC machining equipment is characterized in that a garbage collection box (10) is arranged at the front end of the machine table (1), and a guide piece (11) capable of guiding garbage to fall into the garbage collection box (10) is arranged on the rear side plate of the garbage collection box (10).

10. A sound tube CNC machining method based on the automated sound tube CNC machining apparatus of any one of claims 1 to 9, characterized by comprising the steps of:

s1, feeding the sound tube base materials (6) to be processed into a transmission mechanism (7) one by one;

s2, controlling the transmission mechanism (7) to send the sound tube base material (6) into the processing area where the cutter rest (4) is located;

s3, adjusting the positions of the frame (2) and the movable seat (3) to align the auxiliary processing mechanism (8) with the sound tube base material (6);

s4, controlling the auxiliary processing mechanism (8) to stretch into the sound tube base material (6), and opening the auxiliary processing mechanism (8) to support each wall surface of the sound tube base material (6);

s5, adjusting the tool rest (4) to enable the tool rest to enter a preset processing position, and starting the tool to process the sound tube base material (6); after the sound tube base material (6) is processed, controlling the auxiliary processing mechanism (8) to ascend to enable the sound tube base material (6) to be separated from the transmission mechanism (7) and then rotate for an angle, and controlling the auxiliary processing mechanism (8) to descend to return to the transmission mechanism (7) to process the second lower surface;

and S6, after the surfaces of the sound tube base material (6) are processed, controlling the auxiliary processing mechanism (8) to move backwards to withdraw from the sound tube base material (6), and controlling the transmission mechanism (7) to move rightwards to send out the sound tube base material (6).