CN111556423A - Multifunctional sound box performance testing device - Google Patents
Multifunctional sound box performance testing device Download PDFInfo
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- CN111556423A CN111556423A CN202010409669.1A CN202010409669A CN111556423A CN 111556423 A CN111556423 A CN 111556423A CN 202010409669 A CN202010409669 A CN 202010409669A CN 111556423 A CN111556423 A CN 111556423A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R29/00—Monitoring arrangements; Testing arrangements
- H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
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Abstract
The invention discloses a multifunctional sound box performance testing device in the technical field of sound box performance testing devices, which comprises an automatic feeding mechanism and a detecting mechanism, wherein the automatic feeding mechanism is used for automatically clamping a sound box loading part, the automatic feeding mechanism is arranged in front of the detecting mechanism, and the detecting mechanism is used for detecting the air tightness of a sound box.
Description
Technical Field
The invention relates to the field of sound box performance testing devices, in particular to a multifunctional sound box performance testing device.
Background
Along with the development and progress of science and technology, people have more and more requirements and higher requirements on the performance form and the field of singing and dancing, a sound box system is continuously improved and perfected along with the requirements of people, the sound box system can meet the requirements of on-site public address of the thousands of people in the concert, the sound box system can meet the requirements of playing musical instruments and K songs in individual families, the performance of the sound box is more and more emphasized by people, and how to quickly detect the performance of the sound box becomes a difficult problem.
At present, when the sound box performance testing device is used for testing, manual work is needed to load and take the sound box, the testing time is long, and the sound box performance testing device is not suitable for testing the performance of the sound boxes on a large scale.
Based on this, the invention designs a multifunctional sound box performance testing device to solve the above problems.
Disclosure of Invention
The invention aims to provide a multifunctional sound box performance testing device, which aims to solve the problems that the sound box performance testing device provided by the background technology needs to be matched with manual work for loading and taking pieces during detection, has long detection time and is not suitable for large-scale sound box performance detection.
In order to achieve the purpose, the invention provides the following technical scheme: a multifunctional sound box performance testing device comprises a supporting base and a detection mechanism, wherein the automatic feeding mechanism is used for automatically clamping a sound box upper part and is arranged in front of the detection mechanism;
the detection mechanism comprises a detection platform and a pressing mechanism, wherein the top surface of the detection platform is provided with a lower die, the pressing mechanism is fixedly connected with an upper die, the upper die is rectangular, two side surfaces of the upper die are provided with L-shaped support plates, the inner cavity of the upper die is in sealed butt joint with the inner cavity of the lower die, a slide rod is assembled on the L-shaped support plate of the upper die in a sliding manner, one end of the slide rod is fixedly connected with a roller support, the other end of the slide rod is fixedly connected with a clamping plate, the slide rod is provided with a rectangular groove close to the part of the clamping plate, a roller is arranged in the roller support, the inner wall of the L-shaped support plate of the upper die is fixedly connected with three positioning columns, the end surfaces of the positioning columns are fixedly connected with baffle rings, the baffle rings are in sliding fit with the slide, the end face of the connecting rod is fixedly connected with a positioning block, the positioning block is L-shaped and is used for positioning the sliding rod by matching with the rectangular groove, the middle part of the groove is fixedly connected with a central rod, the central rod is in sliding fit with the connecting rod, a first spring is sleeved on the part of the positioning block, which is positioned above the connecting rod, a top plate is arranged under the extending part on the right side of the positioning block, the top plate is fixedly connected on the detection platform and used for pushing the positioning block to be separated from the rectangular groove, the rear part of the top surface of the detection platform is provided with a conveying device, the top surface of the conveying device is fixedly connected with a guide block, the guide block is divided into a top part and a bottom part, the top of the rectangular plate is a horizontally arranged trapezoid block, the bottom of the rectangular plate is a vertically arranged rectangular plate, the top of the rectangular plate is fixedly connected with the bottom surface of the trapezoid block, the side surface of the top of the guide block is in rolling fit with the roller and is used for ejecting out the slide rod to enable the bottom of the positioning block to fall into the rectangular groove to be in clamping fit with the positioning block; when the Bluetooth sound box sealing detection device works, a sound box needs to be placed into a lower die manually, the detection device needs to be operated manually during detection, after detection is finished, a person still needs to take the sound box out of the lower die, the operation of the person is excessive, the detection time is long, large-batch sound box performance detection is inconvenient, the sound box is placed into the lower die by clamping the sound box through an automatic feeding mechanism, a conveying screw rod above an adjusting support frame returns an upper die to the position right above the lower die, a pressing mechanism stretches out to press the lower die, a top plate pushes a positioning block out of a rectangular groove in the descending process of the upper die, a sliding rod slides forwards under the action of a spring to enable a clamping plate to clamp the lower die for sound box performance detection, after detection is finished, the upper die ascends to drive the clamping plate to slide upwards, the clamping plate slides out of the lower die to clamp the sound box under the action of the spring, the conveying screw rod rotates to enable the movable supporting block to move backwards to drive the sound box to move backwards, when the roller touches the inclined plane of the guide block and the sound box continues to move backwards, the roller rolls on the inclined plane to enable the sliding rod to slide outwards, the sliding rod is fixedly connected with the clamping plate, the clamping plate retracts to enable the spring to retract, so that the sound box is released and falls on the conveying device, after the sound box falls down, the conveying screw rod continues to drive the lower die to move backwards, the roller still rolls on the inclined plane of the guide block to enable the sliding rod to continue to open, the spring continues to retract, as the positioning block is pressed downwards all the time under the action of the first spring, when the rectangular groove moves to the lower side of the positioning block, the positioning block can hook the rectangular groove on the sliding rod, so that the compression and positioning of the spring are realized, the conveying screw rod rotates reversely, the upper die is conveyed to be, can carry out the audio amplifier performance and detect to realize the audio amplifier performance of no intermission and detect, need not artifical piece of loading and get, the cost of using manpower sparingly, and can realize continuity performance detection, improve detection efficiency greatly, be applicable to big batch and assembly line production audio amplifier and carry out the performance and detect.
As a further scheme of the invention, the outer side wall of the L-shaped support plate of the upper die is provided with a mounting groove, sliding grooves are respectively formed above and below the mounting groove, T-shaped sliding parts which are slidably mounted in the sliding grooves are respectively arranged above and below the mounting groove, the top ends of the two T-shaped sliding parts are respectively fixedly connected with a damping block, the damping block is provided with an arc surface which is tightly matched with the sliding rod, a second spring is sleeved on the vertical part of the T-shaped sliding part, the horizontal part of the T-shaped sliding part is rotatably connected with a rolling shaft, a first inclined block and a second inclined block are fixedly connected onto the guide block, and the first inclined block and the second inclined block are used for driving the T-shaped sliding part to force; when the loudspeaker box is in work, after detection is finished, the clamping plate moves upwards together with the upper die to clamp the loudspeaker box under the action of the spring, the clamping plate can rapidly move to collide with the loudspeaker box due to a certain distance between the lower die and the loudspeaker box, the loudspeaker box can be damaged, the T-shaped sliding part is arranged in the mounting groove, the T-shaped sliding part is connected with the damping block, the damping block clamps the sliding rod, outward friction force of the sliding rod can be counteracted by offsetting partial elastic force of the spring, so that the speed reduction of the clamping plate when the loudspeaker box is clamped by the clamping plate can not cause the damage of the loudspeaker box, when the loudspeaker box is placed on the conveying device after detection is finished, the sliding rod needs to be retracted, if the damping block still acts with the sliding rod at the moment, the sliding rod can be retracted difficultly, and the rolling shaft is rotatably arranged on the horizontal part of the T-shaped sliding part and can be matched with, the slide bar is not acted, so that the slide bar is easier to retract.
As a further scheme of the invention, the middle part of the sliding rod is provided with a rough part, the starting end of the rough part is the action position of the damping block and the sliding rod when the clamping plate is in a retraction state, and the ending end of the rough part is the position which is just separated from the damping block and the sliding rod when the clamping plate clamps the sound box; the during operation, it is too big to detect the impact force that the back grip block presss from both sides and holds the audio amplifier after accomplishing, may cause the damage of audio amplifier, and the damping piece if act on the slide bar all the time, can reduce the dynamics that the grip block pressed from both sides and holds the audio amplifier, lead to the centre gripping dynamics to reduce the audio amplifier and appear sliding phenomenon, the slide bar middle part is equipped with the coarse portion, make damping piece centre gripping coarse portion when only popping out the centre gripping audio amplifier at the grip block, reduce the impact force of grip block, when the grip block is accomplished the centre gripping audio amplifier, the damping piece just breaks away from the coarse portion, do not produce frictional force to the slide bar, make the grip block clamp dynamics can not.
As a further scheme of the invention, the automatic feeding mechanism comprises a supporting base, an automatic rotary table is arranged on the top surface of the supporting base, a rotary rod is fixedly connected to the output end of the automatic rotary table, a first telescopic cylinder is fixedly connected to the left side of the rotary rod, a clamping jaw is fixedly connected to the top end of the first telescopic cylinder, and the clamping jaw is used for clamping a sound box; during operation, detect bluetooth speaker airtight at present and need the manual work to carry out the piece, cause the waste of manpower and probably cause personnel's damage, through clamping jaw centre gripping audio amplifier, send the piece position under the effect of automatic revolving stage and put into the lower mould with the audio amplifier, open the clamping jaw, the automatic revolving stage of first telescopic cylinder withdrawal is turning back the folder position, and first telescopic cylinder stretches out and carries out the folder to realize automatic piece of loading, saved the manpower, avoided personnel's injury.
As a further scheme of the invention, the pressing mechanism comprises a support frame, the support frame is arranged right behind the detection platform, the support frame is L-shaped, a transmission screw rod is arranged at the top of the support frame, one end of the transmission screw rod is provided with a motor for driving the transmission screw rod to rotate, the other end of the transmission screw rod is rotatably connected with a bearing seat, the outer part of the transmission screw rod is in threaded connection with a movable support block, a second telescopic cylinder is fixedly connected below the movable support block, and the upper die is fixedly connected to the output end of the second telescopic cylinder; during operation, the pushing mechanism needs to move horizontally and move up and down, the loudspeaker box is lifted by the upper die fixedly connected with the second telescopic cylinder, and the top of the support frame is provided with a conveying screw rod to drive the movable support block to move horizontally, so that the loudspeaker box is conveyed to the conveying device, and the horizontal movement and the up and down movement of the workpiece are realized.
As a further scheme of the invention, the conveying device comprises a conveying baffle which is fixedly arranged on the detection platform, the conveying baffle is positioned behind the lower die, and a belt conveying device is arranged in the middle of the conveying baffle and used for conveying the sound boxes; the during operation is put down when the audio amplifier, and too high descending distance can make the audio amplifier damage when descending, if not a transport away, can cause the damage with below audio amplifier collision when the audio amplifier falls, adopts belt conveyer to install at testing platform, has reduced the descending distance, has cushioned the collision when the audio amplifier descends, very big reduction the damage of audio amplifier, and every audio amplifier that falls all can be conveyed away voluntarily, need not artifical the participation, reduced the cost of labor.
As a further scheme of the invention, the movable supporting block is H-shaped, both sides of the horizontal part of the supporting frame are provided with limiting grooves, the upper part of the movable supporting block is matched with the conveying screw rod, and the lower part of the movable supporting block is in sliding fit with the limiting grooves; when the positioning device works, the movable supporting block drives the upper die to move, the upper die clamps the loudspeaker box to move together, the roller of the upper die is matched with the inclined plane of the guide block in a rolling mode, when the rectangular groove in the positioning block is hooked, if the conveying screw rod cannot be stopped timely, the positioning block can be damaged or the positioning block cannot be hooked, and therefore the spring cannot be contracted and positioned.
As a further scheme of the invention, an anti-smashing gasket is arranged between the conveying baffle and the belt conveying device, and the anti-smashing gasket is made of a soft material; during operation, the grip block is opened, and the audio amplifier falls from last mould clamping position, if do not adopt to prevent pounding the gasket and cushion and probably cause the damage of audio amplifier, adopts to prevent pounding the gasket and can play fine buffering for soft materials, the in-process damage that prevents that can be better is descending.
As a further scheme of the invention, the top surface of the clamping plate is fixedly connected with a damping sheet; the during operation, the grip block needs to carry out the centre gripping to the audio amplifier, and if the audio amplifier weight is too big, the centre gripping dynamics is not enough, may lead to the audio amplifier to drop at the priming in-process, through set up the frictional force of damping fin increase grip block to the audio amplifier at the grip block top surface, prevents to remove in-process audio amplifier and drops.
As a further scheme of the invention, the middle parts of the left side and the right side of the lower die are rotatably connected with rollers, and the outer side surfaces of the rollers are flush with the side surface of the lower die; the during operation, because the fixed damping fin that is equipped with of grip block inboard surface, frictional resistance is great, rises at the upper die in-process grip block and lower mould friction too big and can lead to the slide bar atress too big to take place to buckle with lower mould friction, influences the slide bar and comes the slip that makes a round trip, leads to the shrink spring centre gripping audio amplifier that can not be fine, is equipped with the roller in lower mould both sides, makes the roller take place to rotate when making the grip block centre gripping lower mould, reduces frictional force, makes the grip block easily break away from the lower mould.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, manual loading and unloading are not needed, labor cost is saved, continuous sound box performance detection can be realized, detection efficiency is greatly improved, detection time is saved, and the method is suitable for sound box performance detection in mass and assembly line production.
2. The belt conveying device is arranged on the detection platform, so that the descending distance is reduced, the collision of the sound boxes during descending is buffered, the damage of the sound boxes is greatly reduced, and each sound box falls off and can be conveyed away, so that no sound box is arranged below the sound box when the sound box falls off, and the possibility of collision is reduced.
3. The rollers are arranged on the two sides of the lower die, so that the rollers rotate when the clamping plate clamps the lower die, the friction force is reduced, and the clamping plate is easier to separate from the lower die.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a sectional view of the clamping plate clamping the speaker for lifting (hiding the automatic feeding mechanism) according to the present invention;
FIG. 3 is an enlarged view of the structure of the present invention at A;
FIG. 4 is a partial cross-sectional view of the clamping structure (hidden automatic feeding mechanism) when the test speaker is compressed according to the present invention;
FIG. 5 is an enlarged view of the structure of the present invention at B;
FIG. 6 is a schematic structural view of the upper mold clamping sound box placed on the conveying device according to the present invention;
FIG. 7 is an enlarged view of the structure of the present invention at C;
FIG. 8 is an enlarged view of the structure of the present invention at D.
In the drawings, the components represented by the respective reference numerals are listed below:
the device comprises a base 1, an automatic turntable 2, a lifting screw rod 3, a first telescopic cylinder 4, a clamping jaw 5, a detection platform 6, a support frame 7, a second telescopic cylinder 8, an upper die 9, a lower die 10, a conveying baffle 12, a smash-proof gasket 13, a belt conveying device 14, a guide block 15, a lifting block 31, a motor 71, a conveying screw rod 72, a movable supporting block 73, a limiting groove 74, a roller support 91, a roller 92, a sliding rod 93, a connecting block 94, a stop block 95, a clamping plate 96, a spring 97, a groove 98, a top plate 99, a roller 101, a first inclined block 150, a second inclined block 151, an installation groove 931, a roller 932, a T-shaped sliding piece 933, a second spring 934, a damping block 935, a rough part 936, a connecting rod 981, a first spring 982, a positioning block 983, a rectangular groove 984, a central rod 985 and.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution:
one specific application of this embodiment is: the utility model provides a multi-functional audio amplifier capability test device, includes support base 1, detection mechanism, its characterized in that: the automatic feeding mechanism is used for automatically clamping the sound box upper part and is arranged in front of the detection mechanism;
the detection mechanism comprises a detection platform 6 and a pressing mechanism, a lower die 10 is arranged on the top surface of the detection platform 6, the pressing mechanism is fixedly connected with an upper die 9, the upper die 9 is rectangular, two side surfaces of the upper die 9 are provided with L-shaped support plates, the inner cavity of the upper die 9 is in sealed butt joint with the inner cavity of the lower die 10, a sliding rod 93 is assembled on the L-shaped support plate of the upper die 9 in a sliding manner, one end of the sliding rod 93 is fixedly connected with a roller support 91, the other end of the sliding rod 93 is fixedly connected with a clamping plate 96, a rectangular groove 984 is formed in the part, close to the clamping plate 96, of the sliding rod 93, a roller 92 is installed inside the roller support 91, three positioning columns 94 are fixedly connected with the inner wall of the L-shaped support plate of the upper die 9, a baffle ring 95 is fixedly connected with the end surface of each positioning, a connecting rod 981 is in sliding fit with the slide rail 986, a positioning block 983 is fixedly connected to the end face of the connecting rod 981, the positioning block 983 is L-shaped, the positioning block 983 is used for being matched with a rectangular groove 984 to position the slide rod 93, a central rod 985 is fixedly connected to the middle of the groove 98, the central rod 985 is in sliding fit with the connecting rod 981, a first spring 982 is sleeved on the upper portion of the connecting rod 981, a top plate 99 is arranged under the right side extending portion of the positioning block 983, the top plate 99 is fixedly connected to the detection platform 6 and used for pushing the positioning block 983 to be separated from the rectangular groove 984, a conveying device is arranged on the rear portion of the top face of the detection platform 6, a guide block 15 is fixedly connected to the top face of the conveying device, the guide block 15 is divided into a top portion and a bottom portion, the top portion is a horizontally arranged trapezoidal block, the, the positioning mechanism is used for ejecting the sliding rod 93 out to enable the bottom of the positioning block 983 to fall into the rectangular groove 984 to be matched with the rectangular groove in a clamping mode; when the Bluetooth sound box sealing performance detection device works, a user needs to manually place the sound box into the lower die 10 and manually operate the detection device during detection, the sound box still needs to be taken out of the lower die 10 by the user after the detection is finished, the user has excessive operation and long detection time, and only one sound box can be detected at a time, so that the performance detection of the sound boxes on a large scale is inconvenient, the sound box is clamped firstly by the clamping jaws 5 and then is rotated by the automatic turntable 2, the first telescopic cylinder 4 is adjusted to extend to the upper part position, the lifting screw rod 3 descends the clamping jaws 5 to open and place the sound box into the lower die 10, meanwhile, the upper conveying screw 72 above the adjusting support frame 7 returns the upper die 9 to the position right above the lower die 10, the second telescopic cylinder 8 extends out to press the lower die 10, the positioning block 983 is ejected out of the rectangular groove 984 by the top plate 99 in the descending process of the upper die 9, the slide, after the detection is finished, the upper die 9 rises to drive the clamping plate 96 to slide upwards, the clamping plate 96 slides out of the lower die 10 to clamp the sound box under the action of the spring 97, the upper die 9 continues to rise to drive the sound box to rise and separate from the lower die 10, when the upper die 9 rises to be right above the lower die 10, the conveying screw 72 rotates to enable the movable supporting block 73 to move backwards to drive the sound box to move backwards, when the roller 92 touches the inclined plane of the guide block 15 and the sound box continues to move backwards, the roller 92 rolls on the inclined plane to enable the sliding rod 93 to fixedly connect with the clamping plate 96, the clamping plate 96 is fixedly connected with the spring 97 to enable the spring 97 to contract, so that the sound box is released and falls on the conveying device, after the sound box falls, the conveying screw 72 continues to drive the lower die 10 to move backwards, the roller 92 still rolls on the inclined plane of the guide block 15 to enable the sliding rod 93 to continue to open, the spring 97 continues to contract, and the positioning, consequently when rectangle recess 984 removes to locating piece 983 below, the locating piece can catch on the rectangle recess 984 on the slide bar 93, thereby realize the compression and the location of spring 97, conveying lead screw 72 antiport, will go up mould 9 conveying and return to under the mould 10 directly over, clamping device will wait to detect the audio amplifier and put into under the mould 10 this moment, thereby realize the audio amplifier performance detection of no intermittence, need not artifical piece and get, the cost of using manpower sparingly, and can realize continuity audio amplifier performance detection, the detection efficiency is greatly improved, be applicable to big batch and assembly line production audio amplifier and carry out the performance detection.
As a further scheme of the invention, an installation groove 931 is formed on the outer side wall of an L-shaped support plate of an upper die 9, sliding grooves are formed above and below the installation groove 931, T-shaped sliders 933 slidably installed in the sliding grooves are respectively arranged above and below the installation groove 931, damping blocks 935 are fixedly connected to the top ends of the two T-shaped sliders 933, the damping blocks 935 are provided with cambered surfaces tightly matched with the sliding rods 93, second springs 934 are sleeved on the vertical portions of the T-shaped sliders 933, a rolling shaft 932 is rotatably connected to the horizontal portion of the T-shaped slider 933, a first inclined block 150 and a second inclined block 151 are fixedly connected to the guide block 15, and the first inclined block 150 and the second inclined block 151 are used for driving the T-shaped sliders 933 to force the damping blocks 935 to open; in operation, when the clamping plate 96 moves upward together with the upper die 9 to clamp the sound box under the action of the spring 97 after detection is completed, the clamping plate 96 can move rapidly to collide with the sound box due to a certain distance between the lower die 10 and the sound box, which may cause damage to the sound box, the T-shaped slider 933 installed in the installation groove 931 is connected with the damping block 935, the damping block 935 clamps the slide rod 93, and the outward friction force of the slide rod 93 can counteract part of the elastic force of the spring 97, so that the speed reduction of the clamping plate 96 when clamping the sound box does not cause damage to the sound box, because the slide rod 93 needs to be retracted when the sound box is placed on the conveying device after detection is completed, if the damping block 935 still acts with the slide rod 93, the slide rod 93 is difficult to retract, and the roller 932 is rotatably installed on the horizontal part of the T-shaped slider 933, the roller 932 can cooperate with the first oblique block 150 and the second oblique block 151 to open the slide rod 935, the slide rod 93 is not acted upon, making the slide rod 93 more easily retracted.
As a further scheme of the present invention, a rough portion 936 is disposed in the middle of the sliding rod 93, the starting end of the rough portion 936 is a position where the damping block 935 and the sliding rod 93 act when the clamping plate 96 is in the retracted state, and the terminating end is a position where the damping block 935 and the sliding rod 93 just separate when the clamping plate 96 clamps the sound box; in operation, it is too big to detect the impact force that accomplishes back grip block 96 centre gripping audio amplifier, may cause the damage of audio amplifier, and damping piece 935 if acts on slide bar 93 all the time, can reduce the dynamics of grip block 96 centre gripping audio amplifier, probably lead to the centre gripping dynamics to reduce the audio amplifier and appear sliding phenomenon, slide bar 93 middle part is equipped with coarse portion 936, make damping piece 935 centre gripping coarse portion 936 when only ejecting the centre gripping audio amplifier at grip block 96, reduce the impact force of grip block, when grip block 96 accomplishes the centre gripping audio amplifier, damping piece 935 just breaks away from coarse portion 936, do not produce frictional force to slide bar 93, dynamics can not reduce when making grip block 96 centre gripping audio amplifier, more firm tight audio amplifier that presss from both sides.
As a further scheme of the invention, the automatic feeding mechanism comprises a supporting base 1, an automatic rotary table 2 is arranged on the top surface of the supporting base 1, a rotary rod 3 is fixedly connected to the output end of the automatic rotary table 2, a first telescopic cylinder 4 is fixedly connected to the left side of the rotary rod 3, a clamping jaw 5 is fixedly connected to the top end of the first telescopic cylinder 4, and the clamping jaw 5 is used for clamping a sound box; during operation, detect bluetooth speaker airtight at present and need the manual work to carry out the piece, cause the waste of manpower and probably cause personnel's damage, through clamping jaw 5 centre gripping audio amplifier, send to the piece position under the effect of automatic revolving stage 2 and put into lower mould 10 with the audio amplifier, open clamping jaw 5, first telescopic cylinder 4 withdrawal automatic revolving stage 2 is changeing back the folder position, first telescopic cylinder 4 stretches out and carries out the folder to realize automatic piece of loading, saved the manpower, avoided personnel's injury.
As a further scheme of the invention, the pressing mechanism comprises a support frame 7, the support frame 7 is arranged right behind the detection platform 6, the support frame 7 is in an L shape, a transmission screw 72 is arranged at the top of the support frame 7, a motor 71 for driving the transmission screw 72 to rotate is arranged at one end of the transmission screw 72, a bearing seat is rotatably connected at the other end of the transmission screw 72, a movable support block 73 is connected to the outer part of the transmission screw 72 through threads, a second telescopic cylinder 8 is fixedly connected below the movable support block 73, and an upper die 9 is fixedly connected to the output end of the second telescopic cylinder 8; during operation, the pushing mechanism needs to move horizontally and move up and down, the sound box is lifted up through the upper die 9 fixedly connected with the second telescopic cylinder 8, the top of the support frame 7 is provided with the conveying screw rod 72 to drive the movable support block 73 to move horizontally, so that the sound box is conveyed to the conveying device, and the horizontal movement and the up and down movement of the workpiece are achieved.
As a further scheme of the invention, the conveying device comprises a conveying baffle 12, the conveying baffle 12 is fixedly arranged on the detection platform 6, the conveying baffle 12 is positioned behind the lower die 10, a belt conveying device 14 is arranged in the middle of the conveying baffle 12, and the belt conveying device 14 is used for conveying the sound boxes; the during operation is put down when the audio amplifier, and too high descending distance can make the audio amplifier damage when descending, if not a transport away, can cause the damage with below audio amplifier collision when the audio amplifier falls, adopts belt conveyer 14 to install at testing platform 6, has reduced the descending distance, has cushioned the collision when the audio amplifier descends, very big reduction the damage of audio amplifier, and every audio amplifier that falls down all can be conveyed away voluntarily, need not artifical the participation, has reduced the cost of labor.
As a further scheme of the invention, the movable supporting block 73 is H-shaped, both sides of the horizontal part of the supporting frame 7 are provided with limit grooves 74, the upper part of the movable supporting block 73 is matched with the conveying screw rod 72, and the lower part of the movable supporting block is in sliding fit with the limit grooves 74; during operation, remove brace 73 and drive and go up mould 9 and remove, go up mould 9 and centre gripping the audio amplifier and move together, go up the cylinder 92 and the 15 inclined planes rolling cooperation of guide block of mould 9, when rectangular groove 984 in the locating piece 983 colludes, if conveying lead screw 72 can not in time stop can damage locating piece 983 or lead to locating piece 983 can not collude rectangular groove 984 in, thereby lead to spring 97 can not carry out the shrink location, adopt H type removal brace 73, the top is the lead screw drive transmission, the lower part is restricted removal top position with spacing groove 74 cooperation, prevent that conveying lead screw can not in time stop causing spring 97 can not shrink the location.
As a further scheme of the invention, an anti-smashing gasket 13 is arranged between the conveying baffle plate 12 and the belt conveying device 14, and the anti-smashing gasket 13 is made of a soft material; during operation, grip block 96 is opened, and the audio amplifier from last mould 9 clamping position whereabouts, if do not adopt to prevent pounding gasket 13 and cushion the damage that can cause the audio amplifier, adopt to prevent pounding gasket 13 and can play fine buffering for soft materials, the in-process damage that prevents that can be better is descending of audio amplifier.
As a further scheme of the invention, the top surface of the clamping plate 96 is fixedly connected with a damping sheet 961; during operation, grip block 96 need carry out the centre gripping to the audio amplifier, if the audio amplifier weight is too big, the centre gripping dynamics is not enough, may lead to the audio amplifier to drop at the priming in-process, through set up damping fin 961 increase grip block to the frictional force of audio amplifier at grip block 96 top surface, prevents to remove in-process audio amplifier and drops.
As a further scheme of the invention, the middle parts of the left side and the right side of the lower die 10 are rotatably connected with rollers 101, and the outer side surfaces of the rollers 101 are flush with the side surfaces of the lower die 10; when the loudspeaker box clamping device works, as the damping sheets 961 are fixedly arranged on the inner side surface of the clamping plate 96, the friction resistance is large, when the upper die 9 rises, the clamping plate 96 and the lower die 10 are excessively rubbed, the slide rod 93 is possibly bent due to too large stress, the slide rod 93 is influenced to slide, the loudspeaker box can be clamped by the contraction spring 97 which cannot be good, the rollers 101 are arranged on two sides of the lower die 10, when the clamping plate 96 clamps the lower die 10, the rollers 101 rotate, the friction force is reduced, and the clamping plate 96 is easy to separate from the lower die.
The working principle is as follows: the sound box is clamped by the clamping jaw 5, then the sound box is rotated by the automatic turntable 2, the first telescopic cylinder 4 is adjusted to extend to the upper part position, the clamping jaw 5 is opened to place the sound box into the lower die 10, meanwhile, the conveying screw rod 72 above the adjusting support frame 7 returns the upper die 9 to be right above the lower die 10, the second telescopic cylinder 8 extends out to press the lower die 10, the positioning block 983 is ejected out of the rectangular groove 984 by the top plate 99 in the descending process of the upper die 9, the sliding rod 93 slides forwards under the action of the spring 97, so that the clamping plate 96 clamps the lower die 10, after the detection is completed, the upper die 9 is lifted to drive the clamping plate 96 to slide upwards, the clamping plate 96 slides out of the lower die 10 to clamp the sound box under the action of the spring 97, the upper die 9 is continuously lifted to drive the sound box to be separated from the lower die 10, when the upper die 9 is lifted to, when the roller 92 touches the inclined surface of the guide block 15, and the sound box continues to move backwards, the roller 92 rolls on the inclined surface to enable the sliding rod 93 to slide outwards, the sliding rod 93 is fixedly connected with the clamping plate 96, the clamping plate 96 is fixedly connected with the spring 97, and further the spring 97 contracts, so that the sound box is released and falls on the conveying device, after the sound box falls down, the conveying screw 72 continues to drive the lower die 10 to move backwards, the roller 92 still rolls on the inclined surface of the guide block 15, so that the sliding rod 93 continues to open, the spring 97 continues to contract, the positioning block 983 is always pressed downwards under the action of the first spring 982, after the positioning block 983 hooks the rectangular groove 984 on the sliding rod 93, the conveying screw 72 reversely rotates, the upper die 9 is conveyed to be right above the lower die 10, so that the compression and the positioning of the spring 97 are realized, and the tightness detection.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. The utility model provides a multi-functional audio amplifier capability test device, includes automatic feeding mechanism and detection mechanism, its characterized in that: the automatic feeding mechanism is used for automatically clamping the sound box upper part and is arranged in front of the detection mechanism;
the detection mechanism comprises a detection platform (6) and a pressing mechanism, wherein the top surface of the detection platform (6) is provided with a lower die (10), the pressing mechanism is fixedly connected with an upper die (9), the upper die (9) is a rectangle, two side surfaces of the upper die are provided with L-shaped support plates, the inner cavity of the upper die (9) is in sealed butt joint with the inner cavity of the lower die (10), the L-shaped support plate of the upper die (9) is provided with a slide rod (93) in a sliding manner, one end of the slide rod (93) is fixedly connected with a roller support (91), the other end of the slide rod (93) is fixedly connected with a clamping plate (96), a part of the slide rod (93), which is close to the clamping plate (96), is provided with a rectangular groove (984), a roller (92) is arranged inside the roller support (91), the inner wall of the L-shaped support, keep off ring (95) and slide bar (93) sliding fit, keep off ring (95) terminal surface and be equipped with spring (97) of suit on slide bar (93), it has recess (98) to open on the L type extension board of mould (9), fixedly connected with slide (986) on recess (98) inner wall, slide (986) sliding fit has connecting rod (981), connecting rod (981) terminal surface fixedly connected with locating piece (983), locating piece (983) are the L type, and locating piece (983) are used for fixing a position slide bar (93) with rectangle recess (984) cooperation, well core rod (985) of recess (98) middle part fixedly connected with, well core rod (985) and connecting rod (981) sliding fit, and it is located connecting rod (981) top part cover and is equipped with first spring (982), be equipped with roof (99) under locating piece (983) right side extension, roof (99) fixed connection is on detecting platform (6), roof (99) are used for promoting locating piece (983) and break away from rectangle recess (984), detecting platform (6) top surface rear portion is equipped with conveyer, conveyer top surface fixedly connected with guide block (15), guide block (15) divide into top and bottom, and its top is the trapezoidal piece of horizontal arrangement and its bottom is the rectangular plate of vertical arrangement, rectangular plate top and trapezoidal piece bottom surface fixed connection, guide block (15) top side and cylinder (92) roll fit, and it is used for ejecting slide bar (93) and makes locating piece (983) bottom fall into in rectangle recess (984) rather than clamping fit.
2. The multifunctional sound box performance testing device of claim 1, wherein: go up L type extension board lateral wall of mould (9) and open mounting groove (931), the spout has all been opened to mounting groove (931) top and below, and mounting groove (931) top and below respectively are equipped with T type slider (933) of slidable mounting in the spout, two the equal fixedly connected with damping piece (935) in top of T type slider (933), damping piece (935) are equipped with the cambered surface that closely cooperates with slide bar (93), the vertical portion cover of T type slider (933) is equipped with second spring (934), and the horizontal part of T type slider (933) rotates and is connected with roller bearing (932), fixedly connected with first sloping block (150) and second sloping block (151) on guide block (15), first sloping block (150) and second sloping block (151) are used for driving T type slider (933) and force damping piece (935) to open.
3. The multifunctional sound box performance testing device of claim 2, wherein: the middle of the sliding rod (93) is provided with a rough part (936), the starting end of the rough part (936) is the action position of the damping block (935) and the sliding rod (93) when the clamping plate (96) is in a retraction state, and the termination end of the rough part is the position which is just separated when the damping block (935) and the sliding rod (93) are acted when the clamping plate (96) clamps the sound box.
4. The multifunctional sound box performance testing device of claim 1, wherein: automatic feeding mechanism is including supporting base (1), it is equipped with automatic revolving stage (2) to support base (1) top surface, automatic revolving stage (2) output end fixedly connected with bull stick (3), the first telescopic cylinder (4) of bull stick (3) left side fixed connection, first telescopic cylinder (4) top fixed connection clamping jaw (5), clamping jaw (5) are used for the centre gripping audio amplifier.
5. The multifunctional sound box performance testing device of claim 1, wherein: push down the mechanism and include support frame (7), support frame (7) set up at testing platform (6) dead astern, and support frame (7) are the L type, support frame (7) top is equipped with conveying lead screw (72), conveying lead screw (72) one end is equipped with and is used for driving its pivoted motor (71), and conveying lead screw (72) other end rotates and is connected with the bearing frame, conveying lead screw (72) outside threaded connection has removal brace (73), remove brace (73) below fixedly connected with second telescopic cylinder (8), go up mould (9) fixed connection at second telescopic cylinder (8) output.
6. The multifunctional sound box performance testing device of claim 1, wherein: conveyer is including conveying baffle (12), conveying baffle (12) fixed mounting is on detecting platform (6), conveying baffle (12) are located lower mould (10) rear, conveying baffle (12) middle part is equipped with belt conveyer (14), belt conveyer (14) are used for carrying the audio amplifier.
7. The multifunctional sound box performance testing device of claim 5, wherein: the movable supporting block (73) is H-shaped, limiting grooves (74) are formed in two sides of the horizontal portion of the supporting frame (7), the movable supporting block (73) is in threaded fit with the conveying screw rod (72), and the lower portion of the movable supporting block is in sliding fit with the limiting grooves (74).
8. The multifunctional sound box performance testing device of claim 6, wherein: an anti-smashing gasket (13) is arranged between the conveying baffle (12) and the belt conveying device (14), and the anti-smashing gasket (13) is made of soft materials.
9. The multifunctional sound box performance testing device of claim 1, wherein: the top surface of the clamping plate (96) is fixedly connected with a damping sheet (961).
10. The multifunctional sound box performance testing device of claim 5, wherein: the middle parts of the left side and the right side of the lower die (10) are rotatably connected with rollers (101), and the outer side surfaces of the rollers (101) are flush with the side surfaces of the lower die (10).
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| CN111556423B (en) | 2021-11-02 |
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