CN113857347A - Production process of air valve body - Google Patents
Production process of air valve body Download PDFInfo
- Publication number
- CN113857347A CN113857347A CN202111146979.XA CN202111146979A CN113857347A CN 113857347 A CN113857347 A CN 113857347A CN 202111146979 A CN202111146979 A CN 202111146979A CN 113857347 A CN113857347 A CN 113857347A
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- flanging
- galvanized plate
- compression roller
- galvanized
- plate
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 35
- 238000004080 punching Methods 0.000 claims abstract description 65
- 238000003466 welding Methods 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims description 67
- 230000006835 compression Effects 0.000 claims description 58
- 238000007906 compression Methods 0.000 claims description 58
- 238000003825 pressing Methods 0.000 claims description 44
- 238000005520 cutting process Methods 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 230000003139 buffering effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000007665 sagging Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000000630 rising effect Effects 0.000 claims description 2
- 238000002788 crimping Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 238000010923 batch production Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000009957 hemming Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000004887 air purification Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/001—Shaping combined with punching, e.g. stamping and perforating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D19/00—Flanging or other edge treatment, e.g. of tubes
- B21D19/02—Flanging or other edge treatment, e.g. of tubes by continuously-acting tools moving along the edge
- B21D19/04—Flanging or other edge treatment, e.g. of tubes by continuously-acting tools moving along the edge shaped as rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D19/00—Flanging or other edge treatment, e.g. of tubes
- B21D19/08—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/26—Perforating, i.e. punching holes in sheets or flat parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
Abstract
The invention relates to a production process of an air valve body, which comprises the following specific steps of S1, positioning production equipment of the air valve body; s2, positioning a galvanized plate; s3, punching the edge of the galvanized sheet; s4, folding the side edge of the galvanized plate; s5, axially and vertically flanging; and S6, adjusting the balance conveying group. The invention has the following advantages: stress concentration caused by welding at multiple positions is avoided, the structural strength of the air valve body is guaranteed, the integrated batch forming production steps of galvanized plate punching, lateral flanging and axial vertical flanging are achieved, and production efficiency is improved.
Description
The technical field is as follows:
the invention belongs to the field of air valve bodies, and particularly relates to a production process of an air valve body.
Background art:
the air valve is an indispensable central air-conditioning end fitting in ventilation, air conditioning and air purification engineering, is generally installed in a ventilation pipeline, is used for adjusting the air quantity of a branch pipe, can also be used for mixed adjustment of fresh air and return air, and is widely applied to industrial plants and civil buildings. The air valve body is generally made of a galvanized plate, a plurality of plate materials are usually punched or cut into plate blanks, and then the plate blanks are connected and fixed in a riveting, opening closing, welding and other modes, so that the air valve body with a rectangular structure is finally formed, however, four end corners of the air valve body with the rectangular structure are respectively welded, and the welding stress at the end corners of the air valve body is concentrated, so that the structural strength of the air valve body is influenced, the production process steps are complex, and the production efficiency is low.
The invention content is as follows:
the invention aims to overcome the defects, and provides a production process of an air valve body, which avoids stress concentration caused by welding at multiple positions, ensures the structural strength of the air valve body, realizes the integrated batch forming production steps of galvanized plate punching, lateral flanging and axial vertical flanging, and improves the production efficiency.
The purpose of the invention is realized by the following technical scheme: a production process of a valve body of an air valve comprises the following specific steps,
s1, positioning of air valve body production equipment: the air valve body production equipment comprises a punching machine, a lateral flanging mechanism and an axial vertical flanging mechanism, wherein a balanced conveying group is arranged between the punching machine and the lateral flanging mechanism, and the air valve body production equipment also comprises a control unit which is electrically connected with the punching machine, the lateral flanging mechanism, the axial vertical flanging mechanism and the balanced conveying group;
s2, positioning the galvanized plate: the galvanized plate is sequentially positioned on the punching machine, the balance conveying group, the lateral edge folding mechanism and the axial vertical edge folding mechanism, and is in a natural falling state at the balance conveying group;
s3, edge punching of the galvanized sheet: recording the length and the width of a prefabricated air valve body into a punching machine, conveying a galvanized plate into the punching machine under horizontal conveying force to perform edge punching, thereby forming a plurality of edge holes corresponding to two sides, and conveying the edge holes to a lateral edge folding mechanism through a balanced conveying group;
s4, folding the side edge of the galvanized plate: the lateral edge folding mechanism comprises a plurality of transmission rollers for transmitting the galvanized plate, a first edge folding assembly and a second edge folding assembly, wherein the first edge folding assembly and the second edge folding assembly are arranged above the galvanized plate;
s5, axially and vertically flanging: the axial vertical flanging mechanism sequentially carries out axial vertical upward flanging at the edge hole of the galvanized plate, the galvanized plate is cut off after being continuously vertically flanged for four times, so that a rectangular frame is formed, and the side ends of the cut rectangular frame are fixedly connected through welding;
s6, adjustment of the balance conveying group: the balance conveying group comprises a support arranged between a punching machine and a lateral edge folding mechanism, a fixed disc is arranged at the upper end of the support, a movable disc is connected to one side of the fixed disc in a nested manner, the movable disc is movably connected with the fixed disc through a first bearing, a connecting rod is fixedly connected with the movable disc, one end of the connecting rod penetrates through the center of the movable disc and is fixedly connected with the movable disc, a shaft lever is vertically connected with the other end of the connecting rod, an inner sleeve is sleeved outside the shaft lever, an outer sleeve is sleeved outside the inner sleeve, the inner sleeve is rotatably connected with the shaft lever through a second bearing, the inner sleeve is connected with the outer sleeve in a buffering manner through a plurality of springs which are distributed in the same circumference, a supporting plate is arranged at the lower side of the fixed disc, an inclined frame is connected onto the supporting plate, and a first stroke switch and a second stroke switch which are rotatable are arranged on the inclined frame, the first travel switch and the second travel switch are arranged at the two sides of the connecting rod;
when the axial vertical flanging mechanism vertically flanging the galvanized plate, the lateral flanging mechanism stops conveying the galvanized plate, the punching machine continuously conveys and punches the galvanized plate at the moment, the galvanized plate sags at the position of the balanced conveying group, the connecting rod contacts with the first travel switch along with the sagging of the galvanized plate at the moment, the control unit sends a signal instruction of stopping conveying and punching to the punching machine, when the axial vertical flanging mechanism conveys the galvanized plate, the galvanized plate floats upwards at the position of the balanced conveying group, the connecting rod cancels the contact with the first travel switch along with the rising of the galvanized plate at the moment, the punching machine continuously conveys and punches the galvanized plate at the moment, when the connecting rod directly contacts with the second travel switch, the conveying speed of the galvanized plate at the axial vertical flanging mechanism is higher than that at the punching machine, in order to ensure the natural falling state of the galvanized plate at the balanced conveying group, at the moment, the control unit sends a signal instruction of stopping conveying the flanging to the axial vertical flanging mechanism.
The invention is further improved in that: the included angle between the inclined rack and the supporting plate is 30 degrees, and the inclined rack and the supporting plate are fixedly connected through triangular reinforcing ribs.
The invention is further improved in that: the first edge folding component comprises a first compression roller, a plurality of second compression rollers and a third compression roller, the first compression roller, the second compression rollers and the third compression roller respectively comprise a rotatable first roller body and a plurality of first compression rings which are fixedly sleeved on the first roller body and are distributed at equal intervals, a first guide wide plate is arranged at the outer side end of each first compression ring at two sides of the second compression roller, the inner side end face of each first guide wide plate is a first guide inclined plane, the inclination angles of the first guide wide plates of the plurality of second compression rollers are gradually increased from the first compression roller to the third compression roller, and a first vertical retaining ring is arranged at the outer side end of each first compression ring at two sides of the third compression roller;
the second flanging component comprises a fourth compression roller, a plurality of fifth compression rollers and a sixth compression roller, the fourth compression roller, the fifth compression roller and the sixth compression roller respectively comprise a rotatable second roller body and a plurality of equally-spaced second compression rings fixedly sleeved on the second roller body, the outer side ends of the second roller bodies on the two sides of the fifth compression roller are provided with second guide wide plates, the inner side end faces of the second guide wide plates are second guide inclined planes, the inclination angles of the second guide wide plates of the fifth compression rollers are gradually increased towards the direction of the sixth compression roller by the fourth compression roller, and the outer side ends of the second compression rings on the two sides of the fifth compression roller are provided with second vertical stop rings.
The invention is further improved in that: the diameter of the first vertical retaining ring is larger than that of the first pressing ring, and the diameter of the second vertical retaining ring is larger than that of the second pressing ring.
The invention is further improved in that: the axial vertical flanging mechanism comprises a base matched with the galvanized plate after flanging and a pressing block arranged on the base, the pressing block can be arranged in a vertically lifting mode through a first driving cylinder, one end, far away from the lateral flanging mechanism, of the base is rotatably connected with a flanging group, a cutting block is arranged in the pressing block, the cutting block can be arranged in a vertically lifting mode along with a second driving cylinder, the extending direction of the cutting block is consistent with the radial direction of the galvanized plate, and the side end of the cutting block protrudes out of the side end of the galvanized plate;
the flanging group comprises a bearing body corresponding to the base, the bearing body is rotatably connected with the base through a rotating shaft, one end of the rotating shaft penetrates through the base and is connected with a swing cylinder, and a third bearing is sleeved on the outer circumference of the rotating shaft penetrating through the base and the bearing body.
Compared with the prior art, the invention has the following advantages:
1. according to the invention, the galvanized plate is cut off after punching, lateral flanging and axial vertical flanging are performed, four times of vertical flanging are performed, so that a rectangular frame is formed, the side ends of the cut rectangular frame are fixedly connected through welding, the welding times are greatly reduced, the welding stress concentration is reduced, the structural strength of the air valve body is ensured, the integral batch forming production steps of the galvanized plate punching, the lateral flanging and the axial vertical flanging are realized, and the production efficiency is improved.
2. Because the conveying and punching of the punching machine to the galvanized sheet have certain continuity, and the flanging of the galvanized sheet by the axial vertical flanging mechanism needs to be stopped, the speeds of the galvanized sheet during punching and flanging are inconsistent, so that the shape of the punched hole and the quality of the lateral flanging and the vertical flanging are inevitably influenced if the galvanized sheet is in a pulling state, and a balanced conveying group is arranged between the punching machine and the lateral flanging mechanism, so that the galvanized sheet is kept in a natural falling state all the time, the galvanized sheet is in a relatively independent state during punching, the lateral flanging and the axial vertical flanging, mutual interference influence is avoided, the quality of the punched hole, the lateral flanging and the axial vertical flanging is ensured, deformation of the galvanized sheet is avoided, the structural strength of the air valve body is further ensured, and the integrated forming process of the punched hole, the lateral flanging and the axial vertical flanging is realized, meanwhile, batch production can be realized.
Description of the drawings:
FIG. 1 is a schematic structural diagram of an apparatus for manufacturing a valve body of an air damper according to the present invention.
Fig. 2 is a schematic structural diagram of the balanced conveying group in fig. 1.
Fig. 3 is an enlarged schematic view of structure a in fig. 2.
FIG. 4 is a schematic structural view of the lateral hemming mechanism of the present invention.
FIG. 5 is a schematic structural view of an axial vertical flanging mechanism according to the present invention.
Fig. 6 is a schematic structural diagram of the present invention after step S3 is completed.
Fig. 7 is a schematic structural diagram of the present invention after step S4 is completed.
Reference numbers in the figures:
1-punching machine, 2-side edge folding mechanism, 3-axial vertical edge folding mechanism, 4-balance conveying group, 5-galvanized plate, 6-edge hole, 7-first edge folding and 8-second edge folding;
21-a transfer roller, 22-a first flanging assembly, 23-a second flanging assembly; 221-a first press roller, 222-a second press roller, 223-a third press roller, 224-a first roller body, 225-a first press ring, 226-a first guide wide plate, 227-a first guide inclined plane, 228-a first vertical baffle ring; 231-a fourth pressing roller, 232-a fifth pressing roller, 233-a sixth pressing roller, 234-a second roller body, 235-a second pressing ring, 236-a second guide inclined plane, 237-a second guide broad plate and 238-a second vertical baffle ring;
31-a base, 32-a pressing block, 33-a first driving cylinder, 34-a flanging group, 35-a cutting block, 36-a second driving cylinder, 341-a bearing body, 343-a rotating shaft, 344-a swinging cylinder and 345-a third bearing;
41-bracket, 42-fixed disk, 43-movable disk, 44-first bearing, 45-connecting rod, 46-shaft rod, 47-inner sleeve, 48-outer sleeve, 49-second bearing, 410-spring, 411-supporting plate, 412-tilting frame, 413-first travel switch, 414-second travel switch and 415-triangular reinforcing rib.
The specific implementation mode is as follows:
for the purpose of enhancing the understanding of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating an orientation or positional relationship, such as one based on the drawings, are used only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the structure or unit indicated must have a specific orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise specified and limited, terms such as "connected," "provided," "having," and the like are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, or directly connected, and may be connected through an intermediate medium, so that those skilled in the art can understand the basic meaning of the above terms in the present invention according to specific situations.
Fig. 1 shows an embodiment of a production process of an air valve body of the present invention, which comprises the following specific steps,
s1, positioning of air valve body production equipment: the air valve body production equipment comprises a punching machine 1, a lateral edge folding mechanism 2 and an axial vertical edge folding mechanism 3, wherein a balance conveying group 4 is arranged between the punching machine 1 and the lateral edge folding mechanism 2, and the air valve body production equipment also comprises a control unit which is electrically connected with the punching machine 1, the lateral edge folding mechanism 2, the axial vertical edge folding mechanism 3 and the balance conveying group 4;
s2, positioning the galvanized plate: sequentially positioning a galvanized plate 5 on a punching machine 1, a balance conveying group 4, a lateral flanging mechanism 2 and an axial vertical flanging mechanism 3, and enabling the galvanized plate 5 to be in a natural falling state at the balance conveying group 4;
s3, edge punching of the galvanized sheet: inputting the length and the width of a prefabricated air valve body into a punching machine 1, as shown in fig. 6, conveying a galvanized plate 5 into the punching machine 1 under horizontal conveying force to perform edge punching, thereby forming a plurality of edge holes 6 corresponding to two sides, and conveying the edge holes to a lateral edge folding mechanism 2 through a balance conveying group 4;
s4, folding the side edge of the galvanized plate: the lateral flanging mechanism 2 comprises a plurality of transmission rollers 21 for transmitting the galvanized plate 5, a first flanging component 22 and a second flanging component 23, wherein the first flanging component 22 and the second flanging component 23 are arranged above the galvanized plate 5, two side ends of the galvanized plate 5 are gradually buffered under the action of the first flanging component 22 to form a first flanging 7, two side ends of the galvanized plate 5 are gradually buffered under the action of the second flanging component 23 to form a second flanging 8, the second flanging 8 is perpendicular to the galvanized plate 5, and the first flanging 7 and the second flanging 8 are perpendicular to each other, as shown in fig. 7;
s5, axially and vertically flanging: the axial vertical flanging mechanism 3 sequentially carries out axial vertical upward flanging at an edge hole 6 of the galvanized plate 5, cuts the galvanized plate after continuously vertically upward flanging for four times to form a rectangular frame, and fixedly connects the side ends of the cut rectangular frame by welding;
s6, adjustment of the balance conveying group: as shown in fig. 2 and 3, the balanced conveying group 4 includes a bracket 41 disposed between the punching machine 1 and the lateral flanging mechanism 2, the upper end of the bracket 41 is provided with a fixed disc 42, one side of the fixed disc 42 is connected with a movable disc 43 in an embedded manner, the movable disc 43 is movably connected with the fixed disc 42 through a first bearing 44, the movable disc 43 is fixedly connected with a connecting rod 45, one end of the connecting rod 45 penetrates through the center of the movable disc 43 and is fixedly connected with the movable disc 43, the other end of the connecting rod 45 is vertically connected with a shaft rod 46, the outer part of the shaft rod 46 is sleeved with an inner sleeve 47, the outer part of the inner sleeve 47 is sleeved with an outer sleeve 48, the inner sleeve 47 is rotatably connected with the shaft rod 46 through a second bearing 49, the inner sleeve 47 is connected with the outer sleeve 48 in a buffering manner through a plurality of springs 410 which are distributed at equal circumference, the bracket 41 is disposed at the lower side of the fixed disc 42 and is provided with a supporting plate 411, the supporting plate 411 is connected with an inclined frame 412, the inclined frame 412 is provided with a rotatable first travel switch 413 and a rotatable second travel switch 414, and the first travel switch 413 and the second travel switch 414 are arranged at two side positions of the connecting rod 45;
when the axial vertical flanging mechanism 3 vertically flanging the galvanized plate 5, the lateral flanging mechanism 2 stops conveying the galvanized plate 5, the punching machine 1 continuously conveys and punches the galvanized plate 5 at the moment, the galvanized plate 5 sags at the position of the balanced conveying group 4, the connecting rod 45 contacts with the first travel switch 413 along with the sagging of the galvanized plate 5, the control unit sends a signal instruction of stopping conveying and punching to the punching machine 1, when the axial vertical flanging mechanism 3 conveys the galvanized plate 5, the galvanized plate 5 floats at the position of the balanced conveying group 4, the connecting rod 45 cancels the contact with the first travel switch 413 along with the floating of the galvanized plate 5, the punching machine 1 continuously conveys and punches the galvanized plate 5, when the connecting rod 45 directly contacts with the second travel switch 414, the conveying speed of the galvanized plate 5 at the axial vertical flanging mechanism 3 is higher than the conveying speed at the punching machine 1, in order to ensure the natural falling state of the galvanized sheet 5 at the position of the balanced conveying group 4, the control unit sends a signal instruction of stopping conveying flanging to the axial vertical flanging mechanism 3 at the moment.
According to the invention, the galvanized plate 5 is cut off after punching, lateral flanging and axial vertical flanging are performed, four times of vertical flanging are performed, so that a rectangular frame is formed, the side ends of the cut rectangular frame are fixedly connected through welding, the welding times are greatly reduced, the welding stress concentration is reduced, the structural strength of the air valve body is ensured, the integral batch forming production steps of the galvanized plate punching, the lateral flanging and the axial vertical flanging are realized, and the production efficiency is improved.
Because the punching machine 1 has certain continuity for conveying and punching the galvanized sheet 5, and the axial vertical flanging mechanism 3 needs to stop when flanging the galvanized sheet, the speed of the galvanized sheet 5 during punching and flanging is inconsistent, so that the shape of the punched hole and the quality of lateral flanging and vertical flanging are inevitably influenced if the galvanized sheet 5 is in a pulling state, and the balanced conveying group 4 is arranged between the punching machine 1 and the lateral flanging mechanism 2, so that the galvanized sheet 5 is kept in a natural falling state all the time, the galvanized sheet 5 is in a relatively independent state during punching, lateral flanging and axial vertical flanging, and mutual interference influence is avoided, so that the quality of the punched hole, the lateral flanging and the axial vertical flanging is ensured, the deformation of the galvanized sheet is avoided, the structural strength of the air valve body is further ensured, and the integrated forming process of the punched hole, the lateral flanging and the axial vertical flanging is realized, meanwhile, batch production can be realized.
In the present application, the galvanized sheet 5 is in a natural falling state between the punching machine 1 and the lateral flanging mechanism 2, so that the galvanized sheet 5 is prone to shake up and down under the condition of inconsistent speeds at the left and right sides, therefore, the shaft rod 46 fixedly connected with the connecting rod 45 is convenient for the outer sleeve 48 capable of rotating circumferentially to slide on the surface of the galvanized sheet 5 through the inner sleeve 47 and the outer sleeve 48 which are sequentially sleeved, when the galvanized sheet 5 floats up and down, the scraping and sliding phenomenon on the surface of the galvanized sheet 5 is avoided, and if the galvanized sheet 5 generates a certain up-and-down jumping amplitude due to inertia, the connecting rod 45 is prone to touch the first travel switch 413 and the second travel switch 414 to influence the normal operation of the punching machine 1, the lateral flanging mechanism 2 and the axial vertical flanging mechanism 3, so that the spring 410 is arranged between the inner sleeve 47 and the outer sleeve 48, the galvanized plate 5 is effectively damped, and the normal work of the punching machine 1, the lateral flanging mechanism 2 and the axial vertical flanging mechanism 3 is prevented from being influenced by the vertical fluctuation generated by the self inertia force of the galvanized plate 5.
The punching machine 1 of the invention is a punching product of a conventional galvanized plate, belongs to the existing equipment known by the technicians in the field, and therefore, the specific structure and the working principle are not described in detail.
Further, the included angle between the inclined frame 412 and the supporting plate 411 is 30 °, and the inclined frame 412 and the supporting plate 411 are fixedly connected through a triangular reinforcing rib 415.
Further, as shown in fig. 4, the first folding assembly 22 includes a first pressing roller 221, a plurality of second pressing rollers 222, and a third pressing roller 223, each of the first pressing roller 221, the second pressing roller 222, and the third pressing roller 223 includes a rotatable first roller 224 and a plurality of first pressing rings 225 fixedly sleeved on the first roller 224 and distributed at equal intervals, a first guiding broad plate 226 is provided at an outer side end of the first pressing ring 225 at both sides of the second pressing roller 222, an inner side end of the first guiding broad plate 226 is a first guiding inclined surface 227, an inclination angle of the first guiding broad plate 226 of the plurality of second pressing rollers 222 increases gradually from the first pressing roller 221 toward the third pressing roller 223, and a first vertical blocking ring 238 is provided at an outer side end of the first pressing ring 225 at both sides of the third pressing roller 223;
the second hemming assembly 23 includes a fourth pressing roller 231, a plurality of fifth pressing rollers 232 and a sixth pressing roller 233, the fourth pressing roller 231, the fifth pressing rollers 232 and the sixth pressing roller 233 each include a rotatable second roller 234 and a plurality of second pressing rings 235 fixedly sleeved on the second roller 234 and distributed at equal intervals, the outer ends of the second roller 234 on both sides of the fifth pressing roller 232 are provided with second guide wide plates 237, the inner end faces of the second guide wide plates 237 are second guide inclined surfaces 236, the inclination angles of the second guide wide plates 237 of the fifth pressing rollers 232 are gradually increased from the fourth pressing roller 231 to the sixth pressing roller 233, and the outer ends of the second pressing rings 235 on both sides of the fifth pressing roller 232 are provided with second vertical blocking rings 238.
In the invention, the galvanized sheet 5 in a plate body structure is guided by a plurality of second compression rollers 222 to gradually form a first folded edge 7, the first folded edge 7 is vertical to the galvanized sheet 5 under the vertical guiding of a third compression roller 223, then a plurality of fifth compression rollers 232 are guided to gradually form a second folded edge 8, and the second folded edge 8 is vertical to the first folded edge 7 under the vertical guiding of a sixth compression roller 233, so that the side folded edge of the galvanized sheet 5 in any length direction can be realized.
Further, the diameter of the first vertical retainer ring 228 is larger than the diameter of the first compression ring 225, and the diameter of the second vertical retainer ring 238 is larger than the diameter of the second compression ring 235.
Further, as shown in fig. 5, the axial vertical flanging mechanism 3 includes a base 31 matched with the flanged galvanized plate 5 and a pressing block 32 disposed on the base 31, the pressing block 32 is vertically liftable by a first driving cylinder 33, one end of the base 31, which is far away from the lateral flanging mechanism 2, is rotatably connected with a flanging group 34, a cutting block 35 is disposed in the pressing block 32, the cutting block 35 is vertically liftable by a second driving cylinder 36, the extending direction of the cutting block 35 is consistent with the radial direction of the galvanized plate 5, and the side end of the cutting block 35 protrudes out of the side end of the galvanized plate 5;
the flanging group 34 includes a supporting body 341 corresponding to the base 31, the supporting body 341 and the base 31 are rotatably connected through a rotating shaft 343, one end of the rotating shaft 343 penetrates through the base 31 and is connected with a swing cylinder 344, and the rotating shaft 343 penetrates through the base 31 and is sleeved with a third bearing 345 on the outer circumference of the supporting body 341.
During flanging, the first driving cylinder 33 jacks to enable the pressing block 32 to vertically clamp the galvanized plate 5 on the base 31, the transmission roller 21 stops transmission of the galvanized plate 5 in the horizontal direction at the moment, the swing cylinder 344 upwards overturns for 90 degrees to achieve vertical bending of the galvanized plate 5, after the primary bending is completed, the swing cylinder 344 resets, the transmission roller 21 continues to horizontally transmit the galvanized plate 5, after the galvanized plate 5 is transmitted for a preset length, the galvanized plate 5 is bent for 4 times to form a rectangular frame, the second driving cylinder 36 jacks the cutting block 35 to cut the joint of the galvanized plate 5 and the rectangular frame, so that the rectangular frame is separated from the galvanized plate 5, and finally, the connection of the air valve body can be achieved by manually welding a longitudinal seam of the rectangular frame.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only for the purpose of illustrating the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The production process of the air valve body is characterized by comprising the following steps: the method comprises the specific steps of,
s1, positioning of air valve body production equipment: the air valve body production equipment comprises a punching machine, a lateral flanging mechanism and an axial vertical flanging mechanism, wherein a balanced conveying group is arranged between the punching machine and the lateral flanging mechanism, and the air valve body production equipment also comprises a control unit which is electrically connected with the punching machine, the lateral flanging mechanism, the axial vertical flanging mechanism and the balanced conveying group;
s2, positioning the galvanized plate: the galvanized plate is sequentially positioned on the punching machine, the balance conveying group, the lateral edge folding mechanism and the axial vertical edge folding mechanism, and is in a natural falling state at the balance conveying group;
s3, edge punching of the galvanized sheet: recording the length and the width of a prefabricated air valve body into a punching machine, conveying a galvanized plate into the punching machine under horizontal conveying force to perform edge punching, thereby forming a plurality of edge holes corresponding to two sides, and conveying the edge holes to a lateral edge folding mechanism through a balanced conveying group;
s4, folding the side edge of the galvanized plate: the lateral edge folding mechanism comprises a plurality of transmission rollers for transmitting the galvanized plate, a first edge folding assembly and a second edge folding assembly, wherein the first edge folding assembly and the second edge folding assembly are arranged above the galvanized plate;
s5, axially and vertically flanging: the axial vertical flanging mechanism sequentially carries out axial vertical upward flanging at the edge hole of the galvanized plate, the galvanized plate is cut off after being continuously vertically flanged for four times, so that a rectangular frame is formed, and the side ends of the cut rectangular frame are fixedly connected through welding;
s6, adjustment of the balance conveying group: the balanced conveying group comprises a support arranged between a punching machine and a lateral edge folding mechanism, a fixed disc is arranged at the upper end of the support, a movable disc is connected to one side of the fixed disc in an embedded mode, the movable disc is movably connected with the fixed disc through a first bearing, a connecting rod is fixedly connected with the movable disc, one end of the connecting rod penetrates through the center of the movable disc and is fixedly connected with the movable disc, a shaft rod is perpendicularly connected with the other end of the connecting rod, an inner sleeve is sleeved outside the shaft rod, an outer sleeve is sleeved outside the inner sleeve, the inner sleeve is rotatably connected with the shaft rod through a second bearing, the inner sleeve is connected with the outer sleeve in a buffering mode through a plurality of springs distributed in the same circumference, a support plate is arranged on the lower side of the fixed disc, and an inclined frame is connected onto the support plate, the first travel switch and the second travel switch are arranged on two sides of the connecting rod;
when the axial vertical flanging mechanism vertically flanging the galvanized plate, the lateral flanging mechanism stops conveying the galvanized plate, the punching machine continuously conveys and punches the galvanized plate at the moment, the galvanized plate sags at the position of the balanced conveying group, the connecting rod is contacted with the first travel switch along with the sagging of the galvanized plate at the moment, the control unit sends a signal instruction for stopping conveying and punching to the punching machine, when the axial vertical flanging mechanism conveys the galvanized plate, the galvanized plate floats upwards at the position of the balanced conveying group, the connecting rod cancels the contact with the first travel switch along with the rising of the galvanized plate at the moment, the punching machine continuously conveys and punches the galvanized plate at the moment, when the connecting rod is directly contacted with the second travel switch, the conveying speed of the galvanized plate at the axial vertical flanging mechanism is higher than that at the punching machine, in order to ensure the natural falling state of the galvanized plate at the balanced conveying group, at the moment, the control unit sends a signal instruction of stopping conveying the flanging to the axial vertical flanging mechanism.
2. The production process of the air valve body according to claim 1, characterized in that: the included angle between the inclined rack and the supporting plate is 30 degrees, and the inclined rack and the supporting plate are fixedly connected through triangular reinforcing ribs.
3. The production process of the air valve body according to claim 2, characterized in that: the first edge folding component comprises a first compression roller, a plurality of second compression rollers and a third compression roller, the first compression roller, the second compression roller and the third compression roller respectively comprise a rotatable first roller body and a plurality of first compression rings which are fixedly sleeved on the first roller body and are distributed at equal intervals, the outer side ends of the first compression rings on two sides of the second compression roller are provided with first guide wide plates, the inner side end face of each first guide wide plate is a first guide inclined plane, the inclination angles of the first guide wide plates of the plurality of second compression rollers are gradually increased from the first compression roller to the third compression roller, and the outer side ends of the first compression rings on two sides of the third compression roller are provided with first vertical retaining rings;
the second crimping subassembly includes fourth compression roller, a plurality of fifth compression roller and sixth compression roller, fourth compression roller, fifth compression roller and sixth compression roller all include rotatable second roll body and fixed cover establish a plurality of equidistant second clamping rings that distribute on the second roll body, the outside end of the second roll body of fifth compression roller both sides has the second direction and widens the board, the medial surface that the board was widened in the second direction is the second direction inclined plane, the inclination of the second direction of a plurality of fifth compression rollers and widening the board is progressively increased progressively towards the direction of sixth compression roller by the fourth compression roller, the outside end of the second clamping ring of fifth compression roller both sides has the perpendicular fender ring of second.
4. The production process of the air valve body according to claim 3, wherein the production process comprises the following steps: the diameter that first perpendicular kept off the ring is greater than the diameter of first clamping ring, the diameter that the second kept off the ring perpendicularly is greater than the diameter of second clamping ring.
5. The production process of the air valve body according to claim 4, wherein the production process comprises the following steps: the axial vertical flanging mechanism comprises a base matched with the galvanized plate after flanging and a pressing block arranged on the base, the pressing block can be arranged in a vertically lifting mode through a first driving cylinder, one end, far away from the lateral flanging mechanism, of the base is rotatably connected with a flanging group, a cutting block is arranged in the pressing block, the cutting block can be arranged in a vertically lifting mode along with a second driving cylinder, the extending direction of the cutting block is consistent with the radial direction of the galvanized plate, and the side end of the cutting block protrudes out of the side end of the galvanized plate;
the flanging group comprises a bearing body corresponding to the base, the bearing body is rotatably connected with the base through a rotating shaft, one end of the rotating shaft penetrates through the base and is connected with a swing cylinder, and a third bearing is sleeved on the outer circumference of the rotating shaft penetrating through the base and the bearing body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111146979.XA CN113857347A (en) | 2021-09-29 | 2021-09-29 | Production process of air valve body |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111146979.XA CN113857347A (en) | 2021-09-29 | 2021-09-29 | Production process of air valve body |
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| CN113857347A true CN113857347A (en) | 2021-12-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116833485A (en) * | 2023-08-31 | 2023-10-03 | 包钢钢业(合肥)有限公司 | Galvanized sheet cutting device with compensation mechanism and cutting method |
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2021
- 2021-09-29 CN CN202111146979.XA patent/CN113857347A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116833485A (en) * | 2023-08-31 | 2023-10-03 | 包钢钢业(合肥)有限公司 | Galvanized sheet cutting device with compensation mechanism and cutting method |
| CN116833485B (en) * | 2023-08-31 | 2023-11-24 | 包钢钢业(合肥)有限公司 | Galvanized sheet cutting device with compensation mechanism and cutting method |
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Application publication date: 20211231 |