Air blowing device

Abstract

The utility model discloses an air blowing device which is used for blowing off residual scraps and cutting fluid on a product after machining, the air blowing device comprises a machine box, and a first tool, a second tool and a pair of base plates are installed on the machine box. The second tool is located below the product, and the first tool is located above the product; the pair of base plates are arranged on the first tool and the second tool respectively, a plurality of supporting columns are arranged on the sides, facing the product, of the pair of base plates in a protruding mode, and the supporting columns abut against the two sides of the product respectively; a limiting mechanism is arranged on a base plate of the second tool, and at least part of the limiting mechanism is located on the periphery of the product. The base plate is connected with a plurality of air blowing pipes which are used for blowing air to the product so as to blow away waste chips and cutting fluid left on the product after machining. According to the utility model, residual scraps and cutting fluid on a product can be automatically blown off, the production efficiency is high, and the yield is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of metal processing, especially relates to a blowing device. BACKGROUND

[0002] With the rise of production cost and labor cost, intelligent manufacturing has become an urgent demand of each enterprise, therefore, the automatic production line of machining has been widely applied in the automobile parts enterprises. Some cutting fluid and aluminum chips will be left on the product after the aluminum die casting product is machined. The cutting fluid will seriously affect the appearance of the product, and the aluminum chip residue will scratch the product, and the worker will also be at risk of being scratched by the aluminum chip when checking and packing.

[0003] The traditional production mode is that the worker holds the product to clean in the water tank after the product is machined, and then holds the air gun to blow the product, however, the manual cleaning mode will increase the production rhythm of the product, reduce the production efficiency, and the manual cleaning will inevitably miss some dead angles, so that the cleaning effect of the product is poor, and the yield is reduced. UTILITY MODEL CONTENT

[0004] In view of the defects of the prior art, the utility model provides a blowing device which can automatically blow off the waste chips and cutting fluid left on the product, has high production efficiency and high yield.

[0005] The utility model realizes the following technical scheme:

[0006] A blowing device is used for blowing off the waste chips and cutting fluid left on the product after machining, and the blowing device comprises a machine box, a first tool, a second tool and a pair of base plates are installed on the machine box, the second tool is located below the product for supporting the product, and the first tool is located above the product;

[0007] The pair of base plates are arranged on the first tool and the second tool respectively, a plurality of supporting columns are protruded on one side of the pair of base plates facing the product, and the plurality of supporting columns abut the two sides of the product respectively;

[0008] A limiting mechanism is arranged on the base plate of the second tool, and the limiting mechanism is at least partially located around the product to avoid radial deviation of the product;

[0009] A plurality of blowing pipes are connected to the base plate and used for blowing air to the product to blow off the waste chips and cutting fluid left on the product after machining.

[0010] Further, the substrate is provided with a hollow air cavity, and at least one air inlet is formed on the side of the substrate away from the product and communicates with the hollow air cavity, the air inlet is connected with the air pressure device through a hose, one end of the air blowing pipe is directed to the product, and the other end is fixedly connected with the substrate and communicates with the hollow air cavity.

[0011] Further, the sum of the areas of the air inlets is greater than the sum of the cross-sectional areas of the plurality of air blowing pipes.

[0012] Further, in the axial direction of the air blowing pipe, the air inlet does not overlap the air blowing pipe.

[0013] Further, the plurality of air blowing pipes are different in height towards the product.

[0014] Further, the distance between the end face of the air blowing pipe and the surface of the product is between 1mm and 5mm.

[0015] Further, the air blowing pipe is a stainless steel pipe.

[0016] Further, the limiting mechanism includes a plurality of limiting blocks, the limiting blocks are fixedly connected with the substrate on the second tooling, and the limiting blocks can abut against the side edge of the product.

[0017] Further, the air blowing device further includes a plurality of side air blowing blocks, the side air blowing blocks are fixedly connected with the substrate on the second tooling, and the side of the side air blowing blocks also connected with a plurality of the air blowing pipes, the air blowing pipes communicate with the air pressure device.

[0018] Further, the air blowing device further includes at least one fixed air blowing block, the fixed air blowing block is fixedly connected with the case, and the side of the fixed air blowing block also connected with at least one air blowing pipe, the air blowing pipe communicates with the air pressure device.

[0019] Further, the first tooling further includes a lifting mechanism, the lifting mechanism is fixedly installed on the case, the output end of the lifting mechanism is fixedly connected with the substrate on the first tooling, and the lifting mechanism can drive the substrate on the first tooling away from or close to the second tooling.

[0020] Further, the air blowing device further includes at least one buffer mechanism, the buffer mechanism is fixedly connected with the case, the buffer mechanism is provided with a buffer piece, and when the lifting mechanism drives the first tooling to close to the second tooling, the buffer piece abuts against the first tooling.

[0021] Further, the at least one buffer mechanism is provided with two, and the two buffer mechanisms are symmetrically arranged on both sides of the case.

[0022] Further, the second tooling further comprises a moving mechanism fixedly installed on the cabinet and at least partially located outside the cabinet, an output end of the moving mechanism is fixedly connected with the substrate on the second tooling, and the moving mechanism can drive the substrate on the second tooling to move between a material receiving station and a blowing station.

[0023] Further, the cabinet comprises a rack, a closing door and a driving member, a feeding port is formed on the cabinet, the moving mechanism is at least partially exposed outside the cabinet through the feeding port, the driving member is connected with the air pressure device through a hose, the driving member is fixedly connected with the rack, and an output end of the driving member is fixedly connected with the closing door, and the air pressure device can drive the output end of the driving member to extend or retract so as to close or open the feeding port.

[0024] Further, the cabinet further comprises a door plate, the door plate is arranged on the rack in an openable and closable manner, and a latch is arranged on the door plate to keep the door plate in a normally closed state.

[0025] Further, the door plate is at least partially transparent, so as to facilitate observation of the internal working condition of the cabinet.

[0026] Compared with the prior art, the utility model has the advantages that:

[0027] 1. The utility model utilizes the external features of the product to make a precise positioning tooling. By observing the normal machining condition of the product, the positions on the product where cutting fluid and aluminum chips are prone to appear are marked, and blowing pipes for aligning the positions are arranged around the tooling. By blowing air to the product through the blowing pipes, each part of the product can be simultaneously cleaned by blowing air, thereby improving the production efficiency.

[0028] 2. The utility model combines blowing air and positioning into the first tooling and the second tooling by arranging the blowing pipes on the positioning tooling, so that the equipment structure is compact and the occupied area is small.

[0029] 3. The utility model sets a hollow air cavity in the substrate, uses the hollow air cavity to connect the blowing pipes and the air pressure device, avoids using too many hoses, and has a compact structure, thereby reducing the equipment volume and cost.

[0030] 4. The utility model discloses a drive member is connected with the air pressure device through the hose, can realize the linkage of closed door and blowing process, that is, when blowing process starts, the closed door can descend and close the feed inlet, when blowing process ends, the closed door can rise and open the feed inlet, improve the safety of process, avoid the waste chip or cutting fluid flying to the equipment outside in blowing process simultaneously, prevent the worker from contacting the waste material, in addition, can reduce the noise, improve the production environment. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 It is a structure schematic view of a blowing device of an embodiment of the utility model;

[0032] Figure 2 It is a partial structure schematic view of a blowing device of an embodiment of the utility model;

[0033] Figure 3 It is a partial structure side view of a blowing device of an embodiment of the utility model;

[0034] Figure 4 It is a partial front view of a blowing device of an embodiment of the utility model;

[0035] Figure 5 It is a base plate structure schematic view of the first tooling of a blowing device of an embodiment of the utility model;

[0036] Figure 6 It is the base plate explosion drawing of the first tooling of a blowing device of an embodiment of the utility model;

[0037] Figure 7 It is another view structure schematic view of the base plate of the first tooling of a blowing device of an embodiment of the utility model;

[0038] Figure 8 It is the base plate structure schematic view of the second tooling of a blowing device of an embodiment of the utility model.

[0039] Label explanation: 1, first tooling;10, base plate;100, gas inlet;101, first plate;102, second plate;103, gas groove;104, sealing groove;105, gas outlet;11, blowing pipe;12, photoelectric sensor;2, second tooling;30, support column;31, limit block;4, lifting mechanism;5, moving mechanism;50, material receiving station;51, blowing station;60, side blowing block;61, fixed blowing block;62, buffer mechanism;620, buffer piece;621, limit bolt;622, fixed block;623, abutment block;7, air pressure device;8, machine case;801, first installation space;802, second installation space;80, rack;81, door panel;810, handle;811, padlock;82, closed door;83, drive member;84, feed inlet;85, waste drawer;9, product. DETAILED DESCRIPTION

[0040] The utility model discloses further non-restrictive detailed description of technical scheme to the utility model and its drawings in combination with preferred embodiment. In the description of the utility model, it needs to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" are based on the orientation or positional relationship shown in the drawings. In addition, the terms "first", "second" are only for the purpose of description, and can not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second" can be explicitly or implicitly included at least one feature. In the description of the utility model, the meaning of "multiple" is at least two, for example two, three, etc., unless otherwise explicitly specified. The embodiments described below by referring to the drawings are exemplary, and are intended to explain the utility model, and can not be understood as limiting the utility model.

[0041] As Figures 1 to 4 The utility model discloses an embodiment of a blowing device for blowing the waste chip and cutting fluid remaining on product 9 after machining. The blowing device includes a machine box 8, the machine box 8 is installed with first tooling 1, second tooling 2 and a pair of base plates 10, and the pair of base plates 10 are arranged on the first tooling 1 and the second tooling 2 respectively. Product 9 can be fixed between the first tooling 1 and the second tooling 2, wherein the first tooling 1 and the second tooling 2 are arranged along the vertical direction, the second tooling 2 is located below product 9 for supporting product 9, and the first tooling 1 is located above product 9. A plurality of blowing pipes 11 are arranged on the pair of base plates 10 for blowing air to product 9 to blow the waste chip and cutting fluid remaining on product 9 after machining.

[0042] In the embodiment, by observing the usual machining condition of product 9, the positions of product 9 where the cutting fluid and waste chip are prone to appear are marked, and the arrangement of the plurality of blowing pipes 11 is aligned with these positions respectively, so that the cutting fluid and waste chip remaining on product 9 can be blown away better.

[0043] Specifically, referring to Figure 3 The blowing device further includes a lifting mechanism 4 and a moving mechanism 5, the machine box 8 has a first mounting space 801 and a second mounting space 802 distributed upward and downward, the lifting mechanism 4 and the moving mechanism 5 are arranged in the first mounting space 801, and are fixedly connected with the machine box 8 through screws (not shown in the figure). A waste drawer 85 is slidably arranged in the second mounting space 802 for collecting the waste chip and cutting fluid blown from product 9.

[0044] The moving mechanism 5 is at least partially located outside the cabinet 8, the output end of the moving mechanism 5 is fixedly connected with the substrate 10 on the second tooling 2, and the moving mechanism 5 can drive the substrate 10 on the second tooling 2 to move between the material receiving station 50 and the blowing station 51. The material receiving station 50 is located outside the cabinet 8, so as to facilitate a material loading robot in a production line to place the product 9 on the substrate 10 of the second tooling 2 or take the blown product 9, and the blowing station 51 is located inside the cabinet 8, so as to prevent the blowing process from polluting the factory environment.

[0045] Optionally, the moving mechanism 5 is provided with a photoelectric sensor 12, the sensing path of the photoelectric sensor 12 is located on the material receiving station 50, and the photoelectric sensor 12 is used for detecting whether the product 9 is placed on the substrate 10 of the second tooling 2, so as to improve production safety.

[0046] Specifically, the cabinet 8 comprises a rack 80, a closing door 82 and a driving member 83, the cabinet 8 is provided with an inlet 84, and the moving mechanism 5 is at least partially exposed outside the cabinet 8 through the inlet 84. The driving member 83 is connected with the air pressure device 7 through a hose, the driving member 83 is fixedly connected with the rack 80, the output end of the driving member 83 is fixedly connected with the closing door 82, and the air pressure device 7 can drive the output end of the driving member 83 to extend or retract, so as to close or open the inlet 84 of the closing door 82. According to the utility model, the driving member 83 is connected with the air pressure device 7 through the hose, so that the closing door 82 can be linked with the blowing process. That is, when the blowing process starts, the closing door 82 can be lowered to close the inlet 84, and when the blowing process ends, the closing door 82 can be raised to open the inlet 84, so as to improve the safety of the process, avoid waste or cutting fluid from flying out of the equipment during the blowing process, prevent workers from contacting waste, reduce noise and improve the production environment.

[0047] Optionally, the cabinet 8 further comprises a door plate 81, the door plate 81 is movably arranged on one side of the rack 80, the door plate 81 is provided with a lock 811 to keep the door plate 81 in a normally closed state, and the lock 811 prevents the door plate 81 from being opened by mistake to pollute the factory environment. The door plate 81 is further provided with a handle 810, and when the equipment needs to be maintained, the lock 811 can be unlocked, and the door plate 81 is opened through the handle 810.

[0048] Optionally, the door plate 81 is at least partially transparent, so as to facilitate observation of the working condition inside the cabinet 8. In the embodiment, the door plate 81 is made of transparent material, so as to realize observation of the inside of the cabinet 8.

[0049] The lifting mechanism 4 is fixed on the top of the cabinet 8, and the output end of the lifting mechanism 4 is fixedly connected with the base plate 10 on the first tooling 1. The lifting mechanism 4 can drive the base plate 10 on the first tooling 1 to move away from or close to the second tooling 2, so as to clamp the product 9 between the first tooling 1 and the second tooling 2, facilitating the air blowing process. In the embodiment, the moving mechanism 5 is a single-axis moving module, and the lifting mechanism 4 is a pneumatic cylinder, both of which are prior art, and will not be described herein. Other mechanisms with linear driving capability can also be selected, which are not limited herein.

[0050] Further referring to Figure 4 , the air blowing device further comprises at least one buffer mechanism 62, and the buffer mechanism 62 is fixedly connected with the cabinet 8. The buffer mechanism 62 comprises a limiting bolt 621 and a fixed block 622. The fixed block 622 is fixedly connected with the cabinet 8 by a screw, and the fixed block 622 is provided with a buffer piece 620. When the lifting mechanism 4 drives the first tooling 1 to move close to the second tooling 2, the buffer piece 620 abuts against the first tooling 1, so as to reduce the impact force when the first tooling 1 contacts the product 9, and avoid damaging the product 9.

[0051] The limiting bolt 621 is used for limiting the first tooling 1. When the first tooling 1 falls, the buffer piece 620 contacts first, and then abuts against the limiting bolt 621, so as to prevent the first tooling 1 from moving too much and damaging the product 9 or the equipment.

[0052] In the embodiment, two buffer mechanisms 62 are provided, and the two buffer mechanisms 62 are symmetrically arranged on both sides of the cabinet 8, so as to improve the stability when the second tooling 2 falls, avoid damaging the rigid structure in the equipment, and improve the service life of the equipment.

[0053] Further referring to Figure 7 and Figure 8 , the base plate 10 is provided with a plurality of support columns 30 on the side facing the product 9. The plurality of support columns 30 abut against the two sides of the product 9 respectively, so as to limit the product 9 between the first tooling 1 and the second tooling 2. The base plate 10 on the first tooling 1 is symmetrically provided with two abutting blocks 623. When the first tooling 1 falls, the buffer piece 620 abuts against the abutting block 623, so as to reduce the impact force.

[0054] Further referring to Figure 8 , the base plate 10 of the second tooling 2 is provided with a limiting mechanism. The limiting mechanism is at least partially located around the product 9, so as to avoid radial deviation of the product 9, and make the product 9 not deviate when the air blowing pipe 11 blows air to the product 9, so as to reduce the air blowing effect.

[0055] Optionally, the limiting mechanism comprises a plurality of limiting blocks 31, which are fixedly connected to the substrate 10 on the second tooling 2 and can abut against the side of the product 9. In this embodiment, the limiting blocks 31 at least partially abut against the side surface of the product 9 to better limit the radial deviation of the product 9, so that when the air blowing pipe 11 blows air to the product 9, the product 9 will not deviate to reduce the blowing effect.

[0056] Further, a plurality of air blowing pipes 11 are connected to the side of the substrate 10 facing the product 9, for blowing air to the product 9 to blow off the waste and cutting fluid remaining on the product 9 after machining.

[0057] Optionally, referring to Figure 5 , the substrate 10 is provided with a hollow air chamber, and the side of the substrate 10 away from the product 9 is formed with at least one air inlet 100 communicating with the hollow air chamber, the air inlet 100 is connected with the air pressure device 7 through a hose, one end of the air blowing pipe 11 faces the product 9, and the other end is fixedly connected with the substrate 10 and communicates with the hollow air chamber. By providing a hollow air chamber in the substrate 10, the hollow air chamber is used as an adapter to connect the plurality of air blowing pipes 11 with the air pressure device 7, avoiding the use of too many hoses, compact structure, reducing the volume and cost of the equipment.

[0058] Further referring to Figure 6 , in this embodiment, the substrate 10 comprises a first plate 101 and a second plate 102 fixedly connected by screws, and the first plate 101 and the second plate 102 are both recessed with air grooves 103, and the first plate 101 is provided with an air inlet 100, and the second plate 102 is provided with an air outlet 105. After the first plate 101 and the second plate 102 are fixed, the two air grooves 103 form a hollow air chamber, the air blowing pipe 11 communicates with the hollow air chamber through the air outlet 105, and the air pressure device 7 communicates with the hollow air chamber through the air inlet 100, realizing the distribution of the air path, avoiding the use of too many hoses, compact structure, reducing the volume and cost of the equipment.

[0059] Optionally, at least one of the first plate 101 and the second plate 102 is provided with a sealing groove 104 surrounding the air groove 103, and a sealing ring is arranged in the sealing groove 104, so that the two air grooves 103 are sufficiently sealed, the gas cannot flow out from the air outlet 105, the blowing effect is improved, and the energy consumption is reduced. In this embodiment, the first plate 101 and the second plate 102 are both provided with a sealing groove 104, and the two sealing grooves 104 are consistent in shape to facilitate the installation and accommodation of the sealing ring.

[0060] Optionally, the sum of the areas of the at least one air inlet 100 is greater than the sum of the cross-sectional areas of the plurality of air blowing pipes 11, so as to reduce the fluid loss and enable the air blowing pipe 11 to blow out sufficient air flow to blow the product 9 clean.

[0061] Optionally, the air inlet 100 does not overlap the blowing pipe 11 in the axial direction of the blowing pipe 11, preventing uneven air flow dispersion.

[0062] Optionally, the ends of the plurality of blowing pipes 11 towards the product 9 are at different heights in the horizontal direction, so that the plurality of blowing pipes 11 can blow air at different points according to the shape of the product 9.

[0063] Further, the distance between the end surface of the blowing pipe 11 and the surface of the product 9 is between 1mm and 5mm, so that the air flow has enough distance to blow away the debris and cutting fluid after blowing onto the surface of the product 9, and at the same time, the air flow will not be weakened due to too far distance, improving the blowing effect. When manufacturing the equipment, different lengths of blowing pipes 11 can be selected according to the shape of the product 9 to meet this requirement.

[0064] Optionally, the blowing pipe 11 is a stainless steel pipe, which is easy to process and more durable, improving the service life of the equipment.

[0065] Further, the blowing device further comprises a plurality of side blowing blocks 60, the side blowing blocks 60 are fixedly connected to the base plate 10 on the second tooling 2, and the side of the side blowing blocks 60 towards the product 9 is also connected with a plurality of blowing pipes 11, the blowing pipes 11 are in communication with the air pressure device 7, and are used for blowing air to the places on the side surface of the product 9 where debris and cutting fluid are easy to be left.

[0066] In addition, in the embodiment, the side blowing blocks 60 are fixed on the second tooling 2 for easy installation, and in other alternative embodiments, the side blowing blocks 60 can be fixed with the first tooling 1 to reduce the obstruction of the side blowing blocks 60 to the feeding robot when feeding.

[0067] Optionally, the side blowing blocks 60 have a pipeline inside, one end of the pipeline is in communication with the blowing pipe 11, and the other end is connected with a hose through a quick plug connector 600, and the hose is connected to the air pressure device 7. Thus, the use of too many hoses is avoided, and the structure of the equipment is compact.

[0068] Optionally, the blowing device further comprises at least one fixed blowing block 61, the fixed blowing block 61 is fixedly connected to the case 8, and the side of the fixed blowing block 61 towards the product 9 is also connected with at least one blowing pipe 11, the blowing pipe 11 is in communication with the air pressure device 7. The connection of the blowing pipe 11 on the fixed blowing block 61 with the air pressure device 7 is consistent with the connection of the side blowing block 60, and will not be described here.

[0069] When working, the substrate 10 on the second tool 2 is located at the material receiving station 50, the feeding robot in the production line places the product 9 on the substrate 10 on the second tool 2, after the photoelectric sensor 12 detects that the product 9 is placed, the moving mechanism 5 drives the substrate 10 on the second tool 2 to move to the blowing station 51, then the lifting mechanism 4 drives the substrate 10 on the first tool 1 to descend and make a pair of supporting columns 30 on the substrate 10 clamp the product 9 between the two tools, the air pressure device 7 is started, at this time, the sealing door 82 is driven by the driving part 83 to descend and close the feeding port 84, and a plurality of blowing pipes 11 blow air to the product 9 to blow away the residual waste and cutting fluid on the product 9.

[0070] The utility model discloses a driving part 83 is connected with the air pressure device 7 through the hose, can realize the linkage of the sealing door 82 and the blowing process, namely the sealing door 82 can descend and close the feeding port 84 when the blowing process starts, and the sealing door 82 can rise and open the feeding port 84 when the blowing process ends, improve the safety of process, simultaneously avoid the waste or cutting fluid of blowing process to fly to the equipment outside, prevent the worker from contacting the waste material, in addition still can reduce the noise, improve the production environment. In addition, the application utilizes the external feature of product 9 to make a precise positioning tool. By observing the usual processing condition of product 9, the position of product 9 where cutting fluid and aluminum scrap are easy to appear is marked, and the blowing pipe 11 that aligns the position is distributed around the tool. By blowing air to product 9 through a plurality of blowing pipes 11, product 9 can be cleaned at the same time, and production efficiency is improved. Meanwhile, the application sets up blowing pipe 11 on the positioning tool, and blowing and positioning are combined to become the first tool 1 and the second tool 2, and the equipment structure is compact and the floor space is small. Finally, the utility model also sets up the hollow air cavity in the substrate 10, uses the hollow air cavity as the adapter to connect a plurality of blowing pipes 11 and the air pressure device 7, avoids using too many hoses, the structure is compact, reduces the equipment volume and cost.

[0071] The above embodiments only express several implementation manners of the utility model, and the description is more specific and detailed, but it can not be understood as the limitation of the utility model patent scope. It should be pointed out that, for ordinary skilled person in the art, without departing from the concept of the utility model, a plurality of deformation and improvement can be made, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.

Claims

1. A blowing device for blowing off swarf and cutting fluid remaining on a product (9) after machining, characterized in that, The blowing device comprises a cabinet (8), a first tooling (1), a second tooling (2) and a pair of base plates (10) are installed on the cabinet (8); the second tooling (2) is located below the product (9) for supporting the product (9), and the first tooling (1) is located above the product (9); The pair of base plates (10) are respectively arranged on the first tooling (1) and the second tooling (2), and a plurality of supporting columns (30) are protruded on the side of the pair of base plates (10) facing the product (9), and the plurality of supporting columns (30) respectively abut the two sides of the product (9); A limiting mechanism is arranged on the base plate (10) of the second tooling (2), and the limiting mechanism is at least partially located around the product (9) to avoid radial deviation of the product (9); A plurality of blowing pipes (11) are connected to the base plate (10) for blowing air to the product (9) to blow away the waste and cutting fluid remaining on the product (9) after machining.

2. The air blowing device according to claim 1, characterized in that A hollow air cavity is arranged in the base plate (10), at least one air inlet (100) is formed on the side of the base plate (10) away from the product (9) and communicates with the hollow air cavity, the air inlet (100) is connected with an air pressure device (7) through a hose, one end of the blowing pipe (11) faces the product (9), and the other end is fixedly connected with the base plate (10) and communicates with the hollow air cavity.

3. The air blowing device according to claim 2, characterized in that The sum of the areas of the air inlets (100) is greater than the sum of the cross-sectional areas of the plurality of blowing pipes (11).

4. The air blowing device according to claim 2, characterized in that In the axial direction of the blowing pipe (11), the air inlet (100) and the blowing pipe (11) do not overlap.

5. The air blowing device according to claim 1, wherein The ends of the plurality of blowing pipes (11) facing the product (9) are different in height.

6. The air blowing device according to claim 5, characterized in that The distance between the end surface of the blowing pipe (11) and the surface of the product (9) is between 1mm and 5mm.

7. The air blowing device according to claim 1, wherein The blowing pipe (11) is a stainless steel pipe.

8. The air blowing device according to claim 1, wherein The limiting mechanism comprises a plurality of limiting blocks (31), the limiting blocks (31) are fixedly connected with the base plate (10) on the second tooling (2), and the limiting blocks (31) can abut the side edges of the product (9).

9. The air blowing device according to claim 2, wherein The blowing device further comprises a plurality of side blowing blocks (60), the side blowing blocks (60) are fixedly connected with the base plate (10) on the second tooling (2), and the side of the side blowing blocks (60) facing the product (9) is also connected with a plurality of blowing pipes (11), and the blowing pipes (11) communicate with the air pressure device (7).

10. The air blowing device according to claim 2, wherein The blowing device further comprises at least one fixed blowing block (61), the fixed blowing block (61) is fixedly connected with the cabinet (8), and the side of the fixed blowing block (61) facing the product (9) is also connected with at least one blowing pipe (11), and the blowing pipe (11) communicates with the air pressure device (7).

11. The air blowing device according to claim 1, wherein The first tooling (1) further comprises a lifting mechanism (4) fixedly installed on the cabinet (8), an output end of the lifting mechanism (4) is fixedly connected with a base plate (10) on the first tooling (1), and the lifting mechanism (4) can drive the base plate (10) on the first tooling (1) to move away from or close to the second tooling (2).

12. The air blowing device according to claim 11, characterized in that The air blowing device further comprises at least one buffering mechanism (62) fixedly connected with the cabinet (8), and a buffering piece (620) is arranged on the buffering mechanism (62); when the lifting mechanism (4) drives the first tooling (1) to close to the second tooling (2), the buffering piece (620) abuts against the first tooling (1).

13. The air blowing device according to claim 12, characterized in that The at least one buffering mechanism (62) is provided in two, and the two buffering mechanisms (62) are symmetrically arranged on both sides of the cabinet (8).

14. The air blowing device according to claim 2, wherein The second tooling (2) further comprises a moving mechanism (5) fixedly installed on the cabinet (8) and at least partially located outside the cabinet (8), an output end of the moving mechanism (5) is fixedly connected with a base plate (10) on the second tooling (2), and the moving mechanism (5) can drive the base plate (10) on the second tooling (2) to move between a material receiving station (50) and an air blowing station (51); the material receiving station (50) is located outside the cabinet (8), and the air blowing station (51) is located inside the cabinet (8).

15. The air blowing device according to claim 14, characterized in that The cabinet (8) comprises a rack (80), a closing door (82) and a driving piece (83), the cabinet (8) is provided with an inlet (84), the moving mechanism (5) is at least partially exposed outside the cabinet (8) through the inlet (84), the driving piece (83) is connected with the air pressure device (7) through a hose, the driving piece (83) is fixedly connected with the rack (80), and an output end of the driving piece (83) is fixedly connected with the closing door (82); the air pressure device (7) can drive the output end of the driving piece (83) to extend or retract so as to close or open the inlet (84).

16. The air blowing device according to claim 15, characterized in that The cabinet (8) further comprises a door plate (81) which is arranged on the rack (80) in an openable and closable manner, and a latch (811) is arranged on the door plate (81) to keep the door plate (81) in a normally closed state.

17. The air blowing device according to claim 16, characterized in that The door plate (81) is at least partially transparent, so as to facilitate observation of the working condition inside the cabinet (8).

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