Stainless steel wire alignment stamping equipment with swage structure
Technical Field
The invention relates to the technical field of fastener stamping devices, in particular to stainless steel wire straightening stamping equipment with a pressing structure.
Background
A fastener, also referred to in the marketplace as a standard, is a mechanical element that can mechanically secure or adhere two or more elements together. It features various kinds and specifications, different performance and usage, and high standardization, serialization and universalization degree.
When a factory produces a few small batches of custom-made thickened gaskets, the gasket raw materials are generally punched into a cake shape once, then the middle part punching operation is carried out, and the following problems possibly occur in the existing punching positioning mechanism during processing:
(1) When the gasket raw material is clamped, the gasket raw material is generally placed at a designated position, then clamped and fixed, and finally punched, so that the operation is complicated, the gasket is difficult to position while clamped, the production efficiency of the gasket is influenced, and the gasket is possibly moved in the clamping process, so that the positioning precision is influenced.
(2) A large amount of scrap iron can be generated in the operation of punching the gasket, the scrap iron is possibly attached to the inner wall of the clamping assembly, and the outer wall of the gasket can be deformed when the gasket is clamped due to the fact that the scrap iron is not cleaned timely, so that the quality of the gasket is affected.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the stainless steel wire straightening and stamping equipment with the pressing structure, which can control the two clamping arc blocks to move consistently through the arrangement of the transmission component, so that the gasket raw material is positioned in the middle position when being clamped, the gasket raw material is rapidly positioned while being clamped, the qualification rate of punching is ensured, the production efficiency of the gasket is improved, and the clamping force is also prevented from being too large while the gasket raw material is positioned through the arrangement of the pressing component, so that the gasket raw material is damaged.
The technical scheme includes that the stainless steel wire straightening and stamping equipment with the material pressing structure comprises an installation table, a transmission assembly and a material pressing assembly, wherein the transmission assembly and the material pressing assembly are arranged above the installation table, a punching base is fixedly connected to the middle of the upper surface of the installation table, the material pressing assembly comprises push plates, clamping arc blocks are arranged on opposite sides of the two push plates, sliding holes are formed in one sides, close to the push plates, of the clamping arc blocks, limiting grooves are formed in the bottoms of the sliding holes, the diameter of each limiting groove is larger than that of each sliding hole, a plurality of guide rods are fixedly connected to one side, close to the clamping arc blocks, of each push plate, the guide rods are slidably connected in the sliding holes, an electric control switch is fixedly connected to the bottoms of each limiting groove, the limiting columns can be in contact with the electric control switch, limiting columns are fixedly connected to the ends of the guide rods, buffer springs are sleeved on the outer walls of the guide rods, one ends of the buffer springs are fixedly connected to the side walls of the push plates, and the other ends of the buffer springs are in contact with the side walls of the clamping arc blocks.
Specifically, support groove has been seted up at one side both ends that the push pedal was kept away from to the clamp arc piece, and the support inslot internal rotation is connected with first threaded rod, and the outer wall cover of first threaded rod is equipped with the movable plate, movable plate and first threaded rod threaded connection, fixedly connected with clearance ring between two movable plates, clearance ring and clamp arc piece arcwall face contact.
Specifically, the fixed rack of last fixed surface fixedly connected with of mount table, push pedal and fixed rack's upper surface sliding connection, the bottom of supporting slot is run through to the lower extreme of first threaded rod, and the bottom rotation of first threaded rod and supporting slot is connected, and the bottom fixedly connected with drive gear of first threaded rod, drive gear and fixed rack meshing set up.
Specifically, the last fixed surface of mount table is connected with two backup pads, the push pedal is arranged in between two backup pads, drive assembly includes first motor, and first motor fixed connection is kept away from the one side tip of push pedal at the backup pad, and the lateral wall of backup pad is run through to the output of first motor, and the output of first motor rotates with the lateral wall of backup pad to be connected, and the output fixedly connected with first two-way threaded rod of first motor, and first two-way threaded rod rotates to be connected between two backup pads, automatically controlled switch and first motor electric connection.
Specifically, rotate between two backup pads and be connected with the two bidirectional threaded rods of second, the one end that first motor was kept away from to the two bidirectional threaded rods runs through the lateral wall of backup pad, and the two bidirectional threaded rods of second rotate with the lateral wall of backup pad and be connected, and first two bidirectional threaded rods passes through synchronous belt with the two bidirectional threaded rods of second and is connected.
Specifically, the both ends of push pedal all fixedly connected with connects the movable block, connects the movable block and overlaps respectively to establish at first two-way threaded rod and the two-way threaded rod outer walls of second, and two connection movable blocks respectively with first two-way threaded rod and the two-way threaded rod threaded connection.
Specifically, a guide rail is arranged between the two support plates and fixedly connected to the upper surface of the mounting table, and the lower surface of the push plate is in sliding connection with the upper surface of the guide rail.
Specifically, be provided with flexible gasbag between backup pad and the push pedal, flexible gasbag fixed connection is in the lateral wall of backup pad.
Specifically, the base that punches a hole is close to one side of pressing from both sides tight arc piece and is provided with the connecting plate, connecting plate fixed connection is at the upper surface of mount table, press from both sides tight arc piece and the upper surface contact of connecting plate, the upper surface of connecting plate has been seted up and has been accomodate the groove, accomodates the inslot rotation and be connected with jet block, and jet block is close to one side of base that punches a hole and is connected with the spring that pulls up, and the other end fixed connection that pulls up the spring is being accomodate the groove and is being close to one side inner wall of base that punches a hole.
Specifically, the bottom fixedly connected with many connecting air pipes of gas jet block, connecting air pipe link up the setting with the gas jet block, and connecting tracheal other end link up the setting with flexible gasbag.
The invention has the beneficial effects that:
(1) Through control first two-way threaded rod and the rotation of second two-way threaded rod unanimous for the distance of two clamp arc piece movements is the same, when carrying out the centre gripping to the packing ring raw materials, makes the packing ring raw materials be in intermediate position, has realized the quick location to the packing ring raw materials when pressing from both sides tightly, has guaranteed the qualification rate of punching a hole, has improved the production efficiency of packing ring.
(2) Through pressing from both sides tight arc piece earlier with gasket raw materials outer wall contact and carry out the pre-clamping, the push pedal continues to be to punching a hole base direction motion, buffer spring is compressed this moment, at buffer spring compressed in-process, the packing ring raw materials is pressed from both sides tightly, when spacing post and automatically controlled switch contact, first motor stop work, can avoid pressing from both sides tight arc piece directness to the too tight of packing ring raw materials clamp through buffer spring's setting to lead to the packing ring raw materials to appear deformation phenomenon, play the guard action to the packing ring raw materials, guaranteed the qualification rate of product simultaneously.
(3) The cleaning of clamp arc piece arc lateral wall is realized through the setting of clearance ring, avoids clamp arc piece arc lateral wall to adhere to there is iron fillings, causes the damage to the packing ring outer wall when the centre gripping, can also realize the clearance to clamp arc piece arc lateral wall when having guaranteed product quality.
(4) The collision phenomenon is avoided through the push pedal to flexible gasbag's equipment and backup pad, and flexible gasbag plays the cushioning effect, and when flexible gasbag was pressurized, the gas in the flexible gasbag was through connecting the one side blowout that the trachea is close to the base of punching a hole through the jet-propelled piece, realized clearing up the packing ring surface, guaranteed that the packing ring is in clean dress platform after punching a hole and accomplish, the collection of packing ring of being convenient for.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic view of the overall structure provided by the present invention;
FIG. 2 is a schematic diagram of a transmission assembly according to the present invention;
FIG. 3 is an enlarged view of the portion A of FIG. 1 provided by the present invention;
FIG. 4 is an enlarged view of FIG. 2 at C provided in the present invention;
fig. 5 is a schematic perspective view of a connecting plate according to the present invention;
FIG. 6 is an enlarged view of the portion B of FIG. 2 provided by the present invention;
FIG. 7 is a schematic perspective view of a clamping arc block according to the present invention;
FIG. 8 is a sectional view in the direction D-D of FIG. 7 provided by the present invention;
fig. 9 is a schematic perspective view of a push plate according to the present invention;
In the figure:
1. 12 parts of mounting tables, connecting plates, 121 parts of storage grooves, 13 parts of air spraying blocks, 14 parts of pulling springs, 15 parts of connecting air pipes, 16 parts of fixed racks, 17 parts of supporting plates;
3. a transmission assembly; 31, a first motor, 32, a first bidirectional threaded rod, 33, a synchronous belt, 34, a guide rail, 35 and a second bidirectional threaded rod;
4. punching a base;
6. The device comprises a pressing component, 61, a push plate, 62, a guide rod, 63, a buffer spring, 64, a limit post, 65, a clamping arc block, 66, a sliding hole, 67, a limit groove, 671, an electric control switch, 68, a support groove, 681, a first threaded rod, 682, a transmission gear, 683, a movable plate, 684, a cleaning ring and 69, and a connecting movable block;
7. and (5) a telescopic air bag.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
1-9, The stainless steel wire straightening and stamping equipment with the material pressing structure comprises a mounting table 1, a transmission assembly 3 and a material pressing assembly 6, wherein the transmission assembly 3 and the material pressing assembly 6 are all arranged above the mounting table 1, a punching base 4 is fixedly connected to the middle of the upper surface of the mounting table 1, the material pressing assembly 6 comprises push plates 61, clamping arc blocks 65 are arranged on opposite sides of the two push plates 61, sliding holes 66 are formed in one sides of the clamping arc blocks 65 close to the push plates 61, limit grooves 67 are formed in the bottoms of the sliding holes 66, diameters of the limit grooves 67 are larger than diameters of the sliding holes 66, one sides of the push plates 61 close to the clamping arc blocks 65 are fixedly connected with a plurality of guide rods 62, the guide rods 62 are in sliding connection with the sliding holes 66, the end parts of the guide rods 62 are fixedly connected with limit columns 64, the limit columns 64 are in the limit grooves 67, an electric control switch 671 is fixedly connected to the bottoms of the limit columns 67, a buffer spring 63 is sleeved on the outer wall of the guide rods 62, one end of the buffer spring 63 is fixedly connected to one side of the push plate 61, a gasket 4 is clamped by the other end of the buffer spring 63, the buffer spring 63 is simultaneously clamped by the gasket 4, the two side walls of the buffer rods are simultaneously clamped by the gasket 4, the two side walls of the buffer gasket 4 are simultaneously clamped by the gasket 4 are prevented from being clamped by the gasket 4, the two side of the gasket is simultaneously, the gasket is clamped by the two side of the gasket is simultaneously, the gasket is guaranteed to be in the high in the rate and the clamping efficiency is guaranteed to be in the same with the raw material, and the raw material is high by the gasket is stable to be clamped by the gasket, and the raw material is simultaneously, and the raw material is clamped and is clamped by the gasket is pressed and is placed in the raw material is rapidly and clamped and is simultaneously by the gasket and pressed and is rapidly and is pressed by the gasket, and is pressed and is subjected to raw material and is simultaneously to raw material and press material and is subjected to raw material and press material and raw material and is press material, the clamping arc-shaped block 65 is contacted with the outer wall of the gasket raw material and pre-clamped, when the push plate 61 continues to move towards the punching base 4, the push plate 61 pushes the guide rod 62 and the limiting column 64 to slide along the limiting groove 67 and the inner wall of the sliding hole 66 respectively, the buffer spring 63 is compressed at the moment, the gasket raw material is clamped in the process that the buffer spring 63 is compressed, when the limiting column 64 is contacted with the electric control switch 671, the first motor 31 stops working, the clamping arc-shaped block 65 can be prevented from directly overtightening the gasket raw material clamp through the arrangement of the buffer spring 63, so that the gasket raw material is deformed, the gasket raw material is protected, and the qualification rate of products is guaranteed.
Specifically, support groove 68 has been seted up at one side both ends that clamp arc piece 65 kept away from push pedal 61, support groove 68 internal rotation is connected with first threaded rod 681, the outer wall cover of first threaded rod 681 is equipped with movable plate 683, movable plate 683 and first threaded rod 681 threaded connection, fixedly connected with clearance ring 684 between two movable plates 683, clearance ring 684 and clamp arc piece 65 arcwall face contact, movable plate 683 upwards slides along the inner wall of support groove 68 when first threaded rod 681 clockwise rotation, movable plate 683 drives clearance ring 684 and upwards slides along clamp arc piece 65 arcwall lateral wall, it has the iron fillings to be adhered to clamp arc piece 65 arcwall to realize the clearance to clamp arc piece 65 arcwall through the setting of clearance ring 684, damage the outer wall of packing ring when the centre gripping, can also realize the clearance to clamp arc piece 65 arcwall when guaranteeing product quality, when two clamp arc piece 65's opposite sides support tightly, clearance ring 684 moves to clamp arc piece 65 top, can not influence clamp arc piece 65 to the centre gripping raw materials, press the punching press washer after the operation is accomplished to the packing ring.
Specifically, the fixed rack 16 is fixedly connected to the upper surface of the mounting table 1, the push plate 61 is slidably connected to the upper surface of the fixed rack 16, the lower end of the first threaded rod 681 penetrates through the bottom of the supporting groove 68, the first threaded rod 681 is rotationally connected to the bottom of the supporting groove 68, the bottom of the first threaded rod 681 is fixedly connected with the transmission gear 682, the transmission gear 682 is meshed with the fixed rack 16, and in the process that the clamping arc-shaped block 65 moves towards the direction close to the punching base 4, the transmission gear 682 at the bottom of the supporting groove 68 rotates clockwise along the outer wall of the fixed rack 16, and the transmission gear 682 drives the first threaded rod 681 in the supporting groove 68 to rotate clockwise while rotating clockwise.
Specifically, the upper surface of the mounting table 1 is fixedly connected with two support plates 17, the push plate 61 is arranged between the two support plates 17, the transmission assembly 3 comprises a first motor 31, the first motor 31 is fixedly connected to one side end part of the support plate 17 far away from the push plate 61, the output end of the first motor 31 penetrates through the side wall of the support plate 17, the output end of the first motor 31 is rotationally connected with the side wall of the support plate 17, the output end of the first motor 31 is fixedly connected with a first bidirectional threaded rod 32, the first bidirectional threaded rod 32 is rotationally connected between the two support plates 17, the electric control switch 671 is electrically connected with the first motor 31, the first motor 31 is started, the first motor 31 drives the first bidirectional threaded rod 32 to synchronously rotate in the clockwise rotation process, the first bidirectional threaded rod 32 drives the second bidirectional threaded rod 35 to rotate through a synchronous belt 33, the first bidirectional threaded rod 32 and the second bidirectional threaded rod 35 are rotationally consistent through the arrangement of the synchronous belt 33, and the first bidirectional threaded rod 32 and the second bidirectional threaded rod 35 are connected with the moving block 69 in the rotation process of the outer wall of the first bidirectional threaded rod 32 and the second bidirectional threaded rod 35, and the second bidirectional threaded rod 35 are rotationally consistent with the first bidirectional threaded rod 32 and the second bidirectional threaded rod 35.
Specifically, a second bidirectional threaded rod 35 is rotatably connected between the two support plates 17, one end, far away from the first motor 31, of the second bidirectional threaded rod 35 penetrates through the side wall of the support plate 17, the second bidirectional threaded rod 35 is rotatably connected with the side wall of the support plate 17, the first bidirectional threaded rod 32 is connected with the second bidirectional threaded rod 35 through a synchronous belt 33, the first bidirectional threaded rod 32 drives the second bidirectional threaded rod 35 to rotate through the synchronous belt 33 while rotating, and the first bidirectional threaded rod 32 and the second bidirectional threaded rod 35 are enabled to rotate consistently through the arrangement of the synchronous belt 33.
Specifically, the two ends of the push plate 61 are fixedly connected with the connecting moving blocks 69, the connecting moving blocks 69 are respectively sleeved on the outer walls of the first bidirectional threaded rod 32 and the second bidirectional threaded rod 35, the two connecting moving blocks 69 are respectively in threaded connection with the first bidirectional threaded rod 32 and the second bidirectional threaded rod 35, the first bidirectional threaded rod 32 and the second bidirectional threaded rod 35 are connected with the moving blocks 69 in a rotating process to slide along the outer walls of the first bidirectional threaded rod 32 and the second bidirectional threaded rod 35, the first bidirectional threaded rod 32 and the second bidirectional threaded rod 35 rotate consistently, the moving distances of the two push plates 61 are the same, the two push plates 61 move along the upper surface of the guide rail 34 to the direction of the punching base 4 at the same time, the push plates 61 drive the clamping arc blocks 65 to move to the direction of the punching base 4 through the guide rods 62 and the limiting columns 64, the moving distances of the two clamping arc blocks 65 are the same, the gasket raw materials are enabled to be in the middle position when being clamped, the gasket raw materials are enabled to be rapidly positioned at the same, the gasket raw materials are enabled to be punched, and the production efficiency is improved.
Specifically, a guide rail 34 is arranged between the two support plates 17, the guide rail 34 is fixedly connected to the upper surface of the mounting table 1, the lower surface of the push plate 61 is slidably connected with the upper surface of the guide rail 34, the two push plates 61 move towards the punching base 4 along the upper surface of the guide rail 34 at the same time, the push plate 61 drives the clamping arc blocks 65 to move towards the punching base 4 through the guide rods 62 and the limit posts 64 in the moving process, the moving distance of the two clamping arc blocks 65 is identical, and the guide rail 34 plays a supporting role.
Specifically, be provided with flexible gasbag 7 between backup pad 17 and the push pedal 61, flexible gasbag 7 fixed connection is at the lateral wall of backup pad 17, and push pedal 61 is in the in-process to backup pad 17 motion, and flexible gasbag 7 is pressurized, avoids push pedal 61 and backup pad 17 to appear the collision phenomenon through the equipment of flexible gasbag 7, and flexible gasbag 7 plays the cushioning effect.
Specifically, the one side that punches a hole base 4 is close to pressing from both sides tight arc piece 65 is provided with connecting plate 12, connecting plate 12 fixed connection is at the upper surface of mount table 1, press from both sides tight arc piece 65 and the upper surface contact of connecting plate 12, receiving groove 121 has been seted up to the upper surface of connecting plate 12, receiving groove 121 internal rotation is connected with jet block 13, the one side that jet block 13 is close to base 4 that punches a hole is connected with and draws up spring 14, the other end fixed connection of drawing up spring 14 is being close to the one side inner wall of base 4 that punches a hole at receiving groove 121, when pressing from both sides tight arc piece 65 and sliding the upper surface of jet block 13, under the pulling of drawing up spring 14, jet block 13 rotates into vertical state along receiving groove 121 inner wall, for the clearance to base 4 surface that punches a hole provides convenience, when pressing from both sides tight arc piece 65 to be close to base 4 direction that punches a hole, press from both sides tight arc piece 65 promotes jet block 13 and rotates to receiving groove 121 in, the installation space has been practiced thrift.
Specifically, the bottom fixedly connected with many connecting air pipes 15 of jet-propelled piece 13, connecting air pipe 15 link up the setting with jet-propelled piece 13, and the other end of connecting air pipe 15 link up the setting with flexible gasbag 7, and the gas in the flexible gasbag 7 is through connecting air pipe 15 one side blowout that jet-propelled piece 13 is close to base 4 that punches a hole, realizes clearing up the packing ring surface, guarantees that the packing ring is in clean dress platform after punching a hole, the collection of the packing ring of being convenient for.
When the gasket is in operation, firstly, gasket raw materials are placed on the upper surface of the punching base 4, the first motor 31 is started, the first motor 31 drives the first bidirectional threaded rod 32 to synchronously rotate in the clockwise rotating process, the first bidirectional threaded rod 32 drives the second bidirectional threaded rod 35 to rotate through the synchronous belt 33 while rotating, the rotating directions of the first bidirectional threaded rod 32 and the second bidirectional threaded rod 35 are consistent through the arrangement of the synchronous belt 33, the moving block 69 is connected with the outer walls of the first bidirectional threaded rod 32 and the second bidirectional threaded rod 35 in the rotating process to slide, and as the first bidirectional threaded rod 32 and the second bidirectional threaded rod 35 rotate consistently, the moving distance of the two push plates 61 is the same, the two push plates 61 simultaneously move towards the punching base 4 along the upper surface of the guide rail 34, the push plates 61 drive the clamping arc-shaped blocks 65 to move towards the punching base 4 through the guide rods 62 and the limit posts 64 in the moving process, the same moving distance of the two clamping arc-shaped blocks 65 is ensured, and when the gasket raw materials are clamped, the gasket is in the middle position, the high-speed qualified gasket is realized, and the production efficiency is ensured.
The clamping arc blocks 65 arranged on two sides of the punching base 4 synchronously move towards the punching base 4, the clamping arc blocks 65 are firstly contacted with the outer wall of the gasket raw material and pre-clamped, when the push plate 61 continues to move towards the punching base 4, the push plate 61 pushes the guide rod 62 and the limiting column 64 to slide along the limiting groove 67 and the inner wall of the sliding hole 66 respectively, the buffer spring 63 is compressed at the moment, the gasket raw material is clamped in the process of the compression of the buffer spring 63, when the limiting column 64 is contacted with the electric control switch 671, the first motor 31 stops working, the clamping arc blocks 65 can be prevented from directly tightening the gasket raw material clamp through the arrangement of the buffer spring 63, so that the gasket raw material is deformed, the gasket raw material is protected, and the qualification rate of products is guaranteed.
In the process that the clamping arc block 65 moves towards the direction close to the punching base 4, the transmission gear 682 at the bottom of the supporting groove 68 rotates clockwise along the outer wall of the fixed rack 16, the transmission gear 682 drives the first threaded rod 681 in the supporting groove 68 to rotate clockwise while rotating clockwise, the moving plate 683 slides upwards along the inner wall of the supporting groove 68 when the first threaded rod 681 rotates clockwise, the moving plate 683 drives the cleaning ring 684 to slide upwards along the arc side wall of the clamping arc block 65, the cleaning of the arc side wall of the clamping arc block 65 is realized through the arrangement of the cleaning ring 684, scrap iron is prevented from being attached to the arc side wall of the clamping arc block 65, damage to the outer wall of a gasket is caused during clamping, the cleaning of the arc side wall of the clamping arc block 65 can be realized while the product quality is ensured, when the opposite sides of the two clamping arc blocks 65 are abutted, the cleaning ring 684 moves to the upper side of the clamping arc block 65, the clamping of the gasket is not influenced, and the punching operation is performed after the clamping of the gasket raw material is completed.
After punching is completed, the first motor 31 is controlled to rotate anticlockwise, the first motor 31 drives the first bidirectional threaded rod 32 to rotate, the first bidirectional threaded rod 32 drives the second bidirectional threaded rod 35 to rotate synchronously through the synchronous belt 33, at the moment, the two pushing plates 61 are driven to move away from each other through the connecting moving block 69, the clamping arc-shaped block 65 is still in a tight abutting state with the gasket, after the buffer spring 63 is restored to the initial position, the clamping arc-shaped block 65 is separated from the outer wall of the gasket under the pulling of the limiting post 64 and the guide rod 62, the transmission gear 682 rotates anticlockwise along the outer wall of the fixed rack 16 in the process of moving the clamping arc-shaped block 65 towards the direction of the supporting plate 17, the transmission gear 682 drives the first threaded rod 681 in the supporting groove 68 to rotate anticlockwise when the transmission gear 682 rotates anticlockwise, the moving plate 683 slides upwards along the inner wall of the supporting groove 68, the moving plate 683 drives the cleaning ring 684 to slide upwards along the arc-shaped side wall of the clamping arc-shaped block 65, and cleaning the arc-shaped side wall of the clamping arc-shaped block 65 is realized through the setting of the cleaning ring 684.
The push pedal 61 is in the in-process to backup pad 17 motion, and flexible gasbag 7 is pressurized, avoids push pedal 61 to appear colliding with backup pad 17 through the equipment of flexible gasbag 7, and flexible gasbag 7 plays the cushioning effect, and the gas in the flexible gasbag 7 is through connecting trachea 15 one side blowout that spouts the air-jet block 13 and be close to the base 4 that punches a hole, realizes clearing up the packing ring surface, guarantees that the packing ring is in clean dress platform after the completion of punching a hole, the collection of the packing ring of being convenient for. When the clamping arc-shaped block 65 slides over the upper surface of the air spraying block 13, the air spraying block 13 rotates to be in a vertical state along the inner wall of the storage groove 121 under the pulling of the pulling spring 14, so that the surface of the punching base 4 is cleaned conveniently, and when the clamping arc-shaped block 65 moves towards the direction close to the punching base 4, the clamping arc-shaped block 65 pushes the air spraying block 13 to rotate into the storage groove 121, and the installation space is saved.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the foregoing examples, and that the foregoing description and description are merely illustrative of the principles of this invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.