CN112122424A - Bending and forming machine for electric appliance box body - Google Patents
Bending and forming machine for electric appliance box body Download PDFInfo
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- CN112122424A CN112122424A CN202010979795.0A CN202010979795A CN112122424A CN 112122424 A CN112122424 A CN 112122424A CN 202010979795 A CN202010979795 A CN 202010979795A CN 112122424 A CN112122424 A CN 112122424A
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- swing arm
- bending
- rotating shaft
- swing
- shaft
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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
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/22—Auxiliary equipment, e.g. positioning devices
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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
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
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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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/027—Combined feeding and ejecting devices
Abstract
The invention belongs to the field of electric appliance production and processing equipment, and particularly relates to an electric appliance box body bending forming machine which comprises two bending units arranged in a back-to-back manner, wherein each bending unit comprises a supporting platform, a pressing seat and a bending roller, the supporting platform is fixedly connected with a machine base, the pressing seat is arranged in an opening and closing manner with the supporting platform along the vertical direction, the bottom of the pressing seat is provided with an inner module, the inner module is provided with an acute-angle corner, the bending roller is arranged on the machine base in a swinging manner along an axis parallel to a self roller shaft, the vertex of the acute-angle corner is positioned on the swinging axis of the bending roller when the pressing seat is pressed with the supporting platform, the machine base is arranged on a rack in a sliding manner along the horizontal direction, and the; the suspension wall supporting mechanism comprises a first swing arm and a second swing arm, and a clamping mechanism is arranged at one end, far away from the first swing arm, of the second swing arm. According to the invention, the cantilever supporting mechanism is additionally arranged beside the bending machine, so that the plate surface can be supported in the process of bending the box body, and the plate surface is prevented from collapsing after being bent.
Description
Technical Field
The invention belongs to the field of electric appliance production and processing equipment, and particularly relates to a bending forming machine for an electric appliance box body.
Background
The housing of the electrical equipment is generally processed by a sheet metal bending and forming process, as shown in fig. 1, a strip-shaped metal plate is firstly bent into a rectangular cylindrical body, and then other structural members are riveted at two ends of the cylindrical body to form a complete shell. However, in the prior art, due to process requirements, a longer overhanging section appears at the top in the box body bending and forming process, and the overhanging section can cause the top of the box body to collapse towards the middle, as shown in fig. 2, so that the surface of the box body is deformed, and inconvenience is brought to subsequent processing.
Disclosure of Invention
The invention aims to provide a bending forming machine for an electric appliance box body, which can support a cantilever section in the box body bending process and avoid the upper part of the box body from collapsing.
The technical scheme adopted by the invention is as follows:
a bending forming machine for an electric appliance box body comprises two bending units arranged in a back-to-back mode, wherein each bending unit comprises a supporting platform, a pressing seat and a bending roller, the supporting platform is fixedly connected with a machine base, the pressing seat is arranged in an opening and closing mode with the supporting platform along the vertical direction, an inner module is arranged at the bottom of the pressing seat and provided with an acute-angle corner, the bending roller is arranged on the machine base in a swinging mode along an axis parallel to a self roller shaft, the vertex of the acute-angle corner is located on a swinging axis of the bending roller when the pressing seat is pressed on the supporting platform in a pressing mode, the machine base is arranged on the machine base in a sliding mode along the horizontal direction, and the sliding direction of the machine base is; the suspension wall supporting mechanism is used for supporting a suspension wall section formed by bending the surface of the box body for two times in the same direction by 90 degrees, and comprises a first swing arm and a second swing arm, wherein one end of the first swing arm is hinged with the rack, the other end of the first swing arm is hinged with one end of the second swing arm, hinged shafts at two ends of the first swing arm are parallel to each other, and the suspension wall supporting mechanism also comprises a swing arm driving mechanism which is assembled to drive the second swing arm to swing relative to the first swing arm and drive the first swing arm to swing relative to the rack; one end of the second swing arm, which is far away from the first swing arm, is provided with a clamping mechanism; the first swing arm and the second swing arm are positioned at the side of the bending machine, and the axis of a hinge shaft between the first swing arm and the second swing arm is arranged corresponding to a break angle of the surface of the box body during first bending; the axis of the hinged shaft between the first swing arm and the rack is arranged corresponding to the folded angle of the surface of the box body during the second bending.
The bending device comprises a bending unit, a cantilever supporting mechanism and a transfer mechanism, wherein the bending unit is arranged on the cantilever supporting mechanism, the cantilever supporting mechanism is arranged on the cantilever supporting mechanism, the transfer mechanism is arranged on one side of the bending unit, which is far away from the cantilever supporting mechanism, the bending unit is arranged on the cantilever supporting mechanism, the transfer mechanism comprises a translation support and a lifting support, the translation support is movably arranged on a cross beam along the direction parallel to the bending roller, the lifting support is movably arranged on the translation support along the vertical direction, a driving element for driving the lifting support to vertically move is arranged on the translation support, a fork wall is arranged on the lifting support, the fork wall is arranged in a cantilever mode towards one side where the bending unit is located, the fork walls are arranged in a plurality of modes, the fork walls respectively correspond to the lower portions of a; the lifting support is also provided with two guard plates which are arranged in parallel at intervals along the horizontal direction, and the two guard plates are respectively arranged corresponding to the outer sides of the two side walls of the molded box body; the discharging conveying roller is positioned below the translation path of the translation bracket.
The clamping mechanism comprises a fixed plate fixedly connected with the second swing arm and a clamping plate rotationally connected with the second swing arm, the clamping plate is in a long strip shape, and the length direction of the clamping plate is horizontally arranged and is vertical to the second swing arm; a balancing weight is fixedly connected to the rotating shaft of the clamping plate; when the second swing arm is in the initial station of the horizontal state, the clamping plate and the fixing plate are respectively arranged on the upper side and the lower side of the surface of the box body which is not bent, and the clamping plate is in an overhanging state under the action of the balancing weight and is separated from the surface of the box body; when the second swing arm swings to a vertical posture when the surface of the box body is bent for the first time, the clamping plate swings towards the direction close to the fixed plate relative to the second swing arm under the action of the balancing weight and clamps the surface of the box body; first swing arm swings to vertical gesture when the box face is buckled for the second time, and the second swing arm is static for first swing arm and for frame swing to horizontal gesture, and this in-process splint support box face and fixed plate all the time under the effect of balancing weight.
A first swing rod and a second swing rod are fixedly connected to a rotating shaft of the clamping plate, and a first pin shaft and a second pin shaft are respectively arranged on the first swing rod and the second swing rod; the lifting block is positioned below the first pin shaft and is in blocking connection with the first pin shaft when the first swing arm swings to a vertical posture, and the lifting block is lifted upwards to drive the rotating shaft of the clamping plate to rotate and enable the gravity center of the balancing weight to pass through the upper part of the axis of the rotating shaft of the clamping plate; when the second swing arm is reset to the initial station, the ejector block is in blocking connection with the second pin shaft and pushes the rotating shaft of the clamping plate to rotate, so that the gravity center of the balancing weight passes over the shaft center of the rotating shaft of the clamping plate again, and the balancing weight is reset; the lifting block is fixedly connected with the pressing seat.
The swing arm driving mechanism drives the second swing arm to swing along the first direction, the second swing arm is relatively static with the first swing arm, and when the swing arm driving mechanism drives the first swing arm to swing along the second direction, the second swing arm can swing along the second direction relative to the first swing arm, and the first direction and the second direction are two rotating directions with parallel rotating axes and opposite rotating directions.
The linkage control mechanism comprises a first rotating shaft and a second rotating shaft which are arranged in parallel, the first rotating shaft and the second rotating shaft are respectively and rotatably arranged at two ends of a first swing arm, the first rotating shaft is connected with the first swing arm through a first one-way bearing, and the second rotating shaft and the first swing arm form damping rotation fit; the first rotating shaft is connected with the rack through a second one-way bearing, and the first one-way bearing and the second one-way bearing are assembled to enable the first rotating shaft to rotate relative to the first swing arm and the rack only along a first direction; the first swing arm is provided with a third rotating shaft parallel to the first rotating shaft and the second rotating shaft, the first rotating shaft is provided with a first chain wheel, the third rotating shaft is provided with a second chain wheel, the first chain wheel is in transmission fit with the second chain wheel through an annular chain, the third rotating shaft is provided with a first gear in synchronous rotation connection with the second chain wheel, the second rotating shaft is provided with a second gear meshed with the first gear, a clutch mechanism is arranged between the second rotating shaft and the second swing arm, the clutch mechanism is assembled to be separated when the swing arm driving mechanism drives the second swing arm to swing, so that the second swing arm and the second rotating shaft form relative rotation fit, and the clutch mechanism is closed when the swing arm driving mechanism is separated from the second swing arm, so that the second swing arm and the second rotating shaft are in synchronous rotation connection.
Clutch device includes the square shaft with second pivot rigid coupling to and set up the picture peg on the second swing arm along the radial slip of second pivot, be equipped with U type groove on the picture peg, the width in U type groove is unanimous with the width between the two relative straight walls of square shaft, and the synchronous normal running fit of second swing arm and second pivot when U type groove is inserted on the square shaft, second swing arm and the relative normal running fit of second pivot when U type slot breaks away from with the square shaft.
The swing arm driving mechanism comprises a driving shaft, the axis of the driving shaft is parallel to the axes of the first rotating shaft and the second rotating shaft, and the driving shaft is movably arranged between the first rotating shaft and the second rotating shaft; the end part of the driving shaft is provided with a strip-shaped driving block arranged along the radial direction of the driving shaft; a first meshing block coaxial with the first rotating shaft is arranged on the first swing arm, a second meshing block coaxial with the second rotating shaft is arranged on the second swing arm, a strip-shaped slot matched with the strip-shaped driving block is arranged on the end face of one side, opposite to the driving shaft, of the first meshing block, and a fan-shaped slot matched with the strip-shaped driving block is arranged on one side, opposite to the driving shaft, of the second meshing block; the driving shaft is coaxially and fixedly connected with the swinging shaft of the bending roller.
Be equipped with first elastic unit between picture peg and the second swing arm, first elastic unit is assembled for its elasticity can order about the U type slot and the square shaft of picture peg and insert and close, still be equipped with cowl on the picture peg, can push away cowl and make the U type slot and the square shaft of picture peg break away from when the radial fan-shaped slot that inserts of second pivot is followed to the bar drive block.
The transmission ratio between the first gear and the second gear is 1: 1; the transmission ratio between the first chain wheel and the second chain wheel is 1: 1; a first limiting block used for limiting the swing angle of the first swing arm relative to the frame to be 0-90 degrees is arranged between the first swing arm and the frame; and a second limiting block used for limiting the swing angle of the second swing arm relative to the first swing arm to 0-90 degrees is arranged between the first swing arm and the second swing arm.
The invention has the technical effects that: according to the invention, the cantilever supporting mechanism is additionally arranged beside the bending machine, so that the plate surface can be supported in the process of bending the box body, and the plate surface is prevented from collapsing after being bent.
Drawings
FIG. 1 is a schematic view of an electrical box forming process according to the present invention;
FIG. 2 is a schematic side view of a molded electrical box in the prior art;
FIG. 3 is a perspective view of a box bending machine provided in an embodiment of the present invention;
fig. 4 and 5 are schematic diagrams illustrating the operation of the bending unit according to the embodiment of the present invention;
fig. 6 is a schematic perspective view of a part of a bending machine according to an embodiment of the present invention, in which a bending unit on the right side is omitted;
fig. 7 is a schematic partial perspective view of a bending machine provided in an embodiment of the present invention;
FIG. 8 is an enlarged view of section I of FIG. 8;
FIG. 9 is a perspective view of a hanging wall support mechanism provided by an embodiment of the present invention;
FIG. 10 is a front view of a hanging wall support mechanism provided by an embodiment of the present invention;
FIG. 11 is a cross-sectional view of a hanging wall support mechanism provided by an embodiment of the present invention;
FIG. 12 is a cross-sectional view of one state of a clutch mechanism provided by an embodiment of the present invention;
FIG. 13 is a cross-sectional view of another state of a clutch mechanism provided by an embodiment of the present invention;
fig. 14 is a partial perspective view of a bending machine provided in accordance with an embodiment of the present invention during a first bending;
fig. 15 is a partial perspective view of a bending machine provided in accordance with an embodiment of the present invention during a second bending;
FIG. 16 is a perspective view of an initial state of a cantilever support mechanism provided by an embodiment of the present invention;
FIG. 17 is a perspective view of a cantilever support mechanism provided in an embodiment of the present invention during a first bend;
FIG. 18 is a perspective view of a second bend in the cantilever support mechanism provided by an embodiment of the present invention;
FIG. 19 is a flowchart of a gripper mechanism action process provided by an embodiment of the present invention;
fig. 20 is a perspective view of a discharge frame provided in the embodiment of the present invention.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the following description is given in conjunction with the accompanying examples. It is to be understood that the following text is merely illustrative of one or more specific embodiments of the invention and does not strictly limit the scope of the invention as specifically claimed.
Example 1
A bending forming machine for an electric appliance box body comprises two bending units 10 which are arranged back to back, wherein each bending unit 10 comprises a supporting platform 14, a pressing seat 12 and a bending roller 11, the supporting platform 14 is fixedly connected with a machine base, the pressing seat 12 is arranged on the supporting platform 14 in an opening and closing mode along the vertical direction, an inner module 13 is arranged at the bottom of the pressing seat 12, the inner module 13 is provided with an acute-angle corner, the bending roller 11 is arranged on the machine base in a swinging mode along the axis parallel to a self roller shaft, the vertex of the acute-angle corner is located on the swinging axis of the bending roller 11 when the inner module 13 is pressed on the supporting platform 14, the machine base is arranged on the machine base in a sliding mode along the horizontal direction, and the sliding direction of the machine base is perpendicular to the axis direction; the hanging wall supporting mechanism 20 is used for supporting a hanging wall section formed by bending the surface of a box body for two times in the same direction by 90 degrees, the hanging wall supporting mechanism 20 comprises a first swing arm 21 and a second swing arm 22, one end of the first swing arm 21 is hinged with the rack, the other end of the first swing arm is hinged with one end of the second swing arm 22, hinged shafts at two ends of the first swing arm 21 are parallel to each other, and the hanging wall supporting mechanism further comprises a swing arm driving mechanism which is assembled to drive the second swing arm 22 to swing relative to the first swing arm 21 and drive the first swing arm 21 to swing relative to the rack; one end of the second swing arm 22, which is far away from the first swing arm 21, is provided with a clamping mechanism 30; the first swing arm 21 and the second swing arm 22 are positioned at the side of the bending unit 10, and the axis of a hinge shaft between the first swing arm 21 and the second swing arm 22 is arranged corresponding to a bending angle of the surface of the box body during first bending; the axis of the hinge shaft between the first swing arm 21 and the frame is arranged corresponding to the bending angle of the surface of the box body during the second bending. According to the invention, the cantilever supporting mechanism 20 is additionally arranged beside the bending machine, so that the plate surface can be supported in the box body bending process, and the plate surface is prevented from collapsing after being bent.
Further, the bending device comprises a transfer mechanism, the transfer mechanism comprises a discharging frame 40 and a discharging conveying roller 50, the transfer mechanism is located on one side, away from the suspended wall supporting mechanism 20, of the bending unit 10, the discharging frame 40 comprises a translation support 42 and a lifting support 43, the translation support 42 is movably arranged on a cross beam 41 along a direction parallel to the bending roller, the lifting support 43 is movably arranged on the translation support 42 along the vertical direction, a driving element 95 used for driving the lifting support 43 to vertically move is arranged on the translation support 42, a fork wall 44 is arranged on the lifting support 43, the fork wall 44 is arranged in a suspending manner towards one side where the bending unit 10 is located, a plurality of fork walls 44 are arranged, the fork walls 44 are respectively arranged below a top plate and a bottom plate of the formed box body, and a suspending section of each fork wall 44 is provided with an upward-protruding hook block 45; two guard plates 46 which are arranged in parallel at intervals along the horizontal direction are further arranged on the lifting support 43, and the two guard plates 46 are respectively arranged corresponding to the outer sides of two side walls of the molded box body; the discharge conveyor roller 50 is located below the translation path of the translation carriage 42. After the box body is bent and formed, the translation support 42 translates towards the box body, the fork wall 44 extends to the lower portion of the top wall and the bottom wall of the box body, then the lifting support 43 is lifted, the fork wall 44 supports the box body for one end distance and enables the hook block 45 to hook the edge of the box body, then the translation support 42 moves towards the direction far away from the bending unit 10, and then the box body is placed on the discharging conveying roller 50, so that the discharging operation of the box body from the bending forming machine is realized.
Preferably, the clamping mechanism 30 includes a fixing plate 32 fixedly connected to the second swing arm 22 and a clamping plate 31 rotatably connected to the second swing arm 22, the clamping plate 31 is long, and the length direction of the clamping plate 31 is horizontally arranged and perpendicular to the second swing arm 22; a balancing weight 33 is fixedly connected to the rotating shaft of the clamping plate 31; when the second swing arm 22 is in the initial station of the horizontal state, the clamping plate 31 and the fixing plate 32 are respectively arranged on the upper side and the lower side of the surface of the box body which is not bent, and the clamping plate 31 is in the overhanging state under the action of the balancing weight 33 and is separated from the surface of the box body; when the surface of the box body is bent for the first time, the second swing arm 22 swings to a vertical posture, the clamping plate 31 swings towards the direction close to the fixing plate 32 relative to the second swing arm 22 under the action of the balancing weight 33 and the surface of the box body is clamped tightly; when the box body plate surface is bent for the second time, the first swing arm 21 swings to a vertical posture, the second swing arm 22 is static relative to the first swing arm 21 and swings to a horizontal posture relative to the rack, and the clamping plate 31 always supports against the box body plate surface and the fixing plate 32 under the action of the balancing weight 33 in the process.
Further, a first swing link 34 and a second swing link 36 are fixedly connected to a rotating shaft of the clamping plate 31, and a first pin shaft 35 and a second pin shaft 37 are respectively arranged on the first swing link 34 and the second swing link 36; the lifting block 15 is positioned below the first pin shaft 35 and is blocked with the first pin shaft 35 when the first swing arm 21 swings to a vertical posture, and at the moment, the lifting block 15 is lifted upwards to drive the rotating shaft of the clamping plate 31 to rotate and enable the gravity center of the balancing weight 33 to pass through the upper part of the axis of the rotating shaft of the clamping plate 31; when the second swing arm 22 is reset to the initial station, the top block 38 is blocked with the second pin 37 and the top block 38 pushes the rotating shaft of the clamping plate 31 to rotate, so that the gravity center of the counterweight 33 passes over the axial center of the rotating shaft of the clamping plate 31 again, and the counterweight 33 is reset; the lifting block 15 is fixedly connected with the pressing seat 12.
Further, a linkage control mechanism is arranged between the first swing arm 21 and the second swing arm 22, the linkage control mechanism is configured such that the first swing arm 21 is relatively stationary with the frame when the swing arm driving mechanism drives the second swing arm 22 to swing in the first direction, the second swing arm 22 is relatively stationary with the first swing arm 21 when the swing arm driving mechanism drives the first swing arm 21 to swing in the first direction, and the second swing arm 22 can simultaneously swing in the second direction with respect to the first swing arm 21 when the swing arm driving mechanism drives the first swing arm 21 to swing in the second direction, the first direction and the second direction are two rotation directions with parallel rotation axes and opposite rotation directions, taking fig. 10 as an example, the counterclockwise direction in fig. 10 is the first direction, and the clockwise direction is the second direction.
Specifically, the linkage control mechanism comprises a first rotating shaft 23 and a second rotating shaft 24 which are arranged in parallel, the first rotating shaft 23 and the second rotating shaft 24 are respectively and rotatably arranged at two ends of the first swing arm 21, wherein the first rotating shaft 23 is connected with the first swing arm 21 through a first one-way bearing 233, and the second rotating shaft 24 and the first swing arm 21 form damping rotation fit; the first rotating shaft 23 is in turn connected to the frame by a second one-way bearing 232, the first one-way bearing 233 and the second one-way bearing 232 being assembled such that the first rotating shaft 23 can only rotate in a first direction relative to the first swing arm 21 and the frame; the first swing arm 21 is provided with a third rotating shaft 25 parallel to the first rotating shaft 23 and the second rotating shaft 24, the first rotating shaft 23 is provided with a first chain wheel 231, the third rotating shaft 25 is provided with a second chain wheel 251, the first chain wheel 231 and the second chain wheel 251 are in transmission fit through an annular chain 26, the third rotating shaft 25 is provided with a first gear 252 synchronously and rotatably connected with the second chain wheel 251, the second rotating shaft 24 is provided with a second gear 241 meshed with the first gear 252, a clutch mechanism is arranged between the second rotating shaft 24 and the second swing arm 22, and the clutch mechanism is assembled to be separated when the swing arm driving mechanism drives the second swing arm 22 to swing, so that the second swing arm 22 and the second rotating shaft 24 form relative rotation fit, and the clutch mechanism is closed when the swing arm driving mechanism is separated from the second swing arm 22, so that the second swing arm 22 and the second rotating shaft 24 are synchronously and rotatably connected. When the first swing arm 21 swings upwards, the first rotating shaft 23 rotates synchronously with the first swing arm 21 under the action of the first one-way bearing 233, at this time, the first chain wheel 231 is static relative to the first swing arm 21, so that the second rotating shaft 24 is not driven to rotate relative to the first swing arm 21, and when the first swing arm 21 swings downwards, the first rotating shaft 23 keeps static relative to the frame under the action of the second one-way bearing 232, and simultaneously forms relative rotation with the first swing arm 21, at this time, the second rotating shaft 24 is driven to rotate relative to the first swing arm 21 under the transmission of the chain wheel and the gear, so that the second swing arm 22 is driven to swing relative to the first swing arm 21, and in this process, the simultaneous resetting of the first swing arm 21 and the second swing arm 22 is realized, the swing arm driving mechanism does not need to move again to drive the second swing arm 22 to reset separately, so that the action flow is simplified, and.
Specifically, clutching mechanism includes the square shaft 242 with the rigid coupling of second pivot 24 to and the picture peg 223 of setting on second swing arm 22 along the radial slip of second pivot 24, be equipped with U type groove on the picture peg 223, the width in U type groove is unanimous with the width between the two relative straight walls of square shaft 242, and second swing arm 22 is the normal running fit of second pivot 24 when U type groove is inserted on square shaft 242, and second swing arm 22 is the normal running fit of second pivot 24 when U type slot breaks away from with square shaft 242.
Specifically, the swing arm driving mechanism comprises a driving shaft 27, the axis of the driving shaft 27 is parallel to the axes of the first rotating shaft 23 and the second rotating shaft 24, and the driving shaft 27 is movably arranged between the first rotating shaft 23 and the second rotating shaft 24; the end part of the driving shaft 27 is provided with a strip-shaped driving block 271 arranged along the radial direction of the driving shaft 27; a first meshing block 211 coaxial with the first rotating shaft 23 is arranged on the first swing arm 21, a second meshing block 221 coaxial with the second rotating shaft 24 is arranged on the second swing arm 22, a strip-shaped slot 212 matched with the strip-shaped driving block 271 is arranged on the end surface of one side, opposite to the driving shaft 27, of the first meshing block 211, and a fan-shaped slot 242 matched with the strip-shaped driving block 271 is arranged on one side, opposite to the driving shaft 27, of the second meshing block 221; the driving shaft 27 is coaxially and fixedly connected with the swing shaft of the bending roller 11, so that the bending unit 10 can realize the switching of the stations of the swing arm driving mechanism in the process of adjusting the distance.
Further, a first elastic unit 225 is arranged between the insertion plate 223 and the second swing arm 22, the first elastic unit 225 is assembled such that the elastic force of the first elastic unit 225 can drive the U-shaped insertion slot of the insertion plate 223 to be inserted into the square shaft 242, and an arc-shaped baffle 224 is further arranged on the insertion plate 223, and when the strip-shaped driving block 271 is inserted into the fan-shaped insertion slot 242 along the radial direction of the second rotating shaft 24, the arc-shaped baffle 224 can be pushed and the U-shaped insertion slot of the insertion plate 223 can be separated from the square shaft 242.
Preferably, the transmission ratio between the first gear 252 and the second gear 241 is 1: 1; the transmission ratio between the first sprocket 231 and the second sprocket 251 is 1: 1; a first limiting block used for limiting the swing angle of the first swing arm 21 relative to the frame to 0-90 degrees is arranged between the first swing arm 21 and the frame; a second limiting block used for limiting the swing angle of the second swing arm 22 relative to the first swing arm 21 to be 0-90 degrees is arranged between the first swing arm 21 and the second swing arm 22.
Example 2
A method for forming an electric appliance box body by using the electric appliance box body bending forming machine in embodiment 1 comprises the following steps:
step 1: conveying the cut and flanged metal plate 1 into a bending forming machine;
step 2: one bending unit 10 clamps the metal plate 1, the other bending unit 10 slides along the horizontal direction, and the distance between the two bending units 10 and the two ends of the metal plate 1 is sequentially adjusted by adopting the mode;
and step 3: the two bending units 10 respectively bend two ends of the metal plate 1 for the first time;
and 4, step 4: adjusting the distance between the two bending units 10 and the two ends of the metal plate 1 again by adopting the method in the step 2;
and 5: the two bending units 10 respectively bend the two ends of the metal plate 1 for the second time, so that the metal plate 1 has a rectangular box body with two top walls, two side walls and a bottom wall in the stroke;
in the steps 3 and 5, the suspended wall supporting mechanism 20 is adopted to support at least one end of the metal plate 1 in the bending process.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.
Claims (10)
1. The utility model provides an electrical apparatus box make-up machine that bends which characterized in that: the bending machine comprises two bending units (10) which are arranged back to back, wherein each bending unit (10) comprises a supporting platform (14), a pressing seat (12) and a bending roller (11), the supporting platform (14) is fixedly connected with a machine base, the pressing seat (12) is arranged on the supporting platform (14) in an opening and closing mode along the vertical direction, an inner module (13) is arranged at the bottom of the pressing seat (12), the inner module (13) is provided with an acute-angle corner, the bending roller (11) is arranged on the machine base in a swinging mode along the axis parallel to a roller shaft of the bending roller (11), the vertex of the acute-angle corner is located on the swinging axis of the bending roller (11) when the inner module (13) is pressed on the supporting platform (14), the machine base is arranged on the machine frame in a sliding mode along the horizontal direction, and the sliding direction of the machine base is perpendicular to; the hanging wall supporting mechanism (20) is used for supporting a hanging wall section formed by bending the surface of a box body for 90 degrees in the same direction twice, the hanging wall supporting mechanism (20) comprises a first swing arm (21) and a second swing arm (22), one end of the first swing arm (21) is hinged with the rack, the other end of the first swing arm is hinged with one end of the second swing arm (22), hinged shafts at two ends of the first swing arm (21) are parallel to each other, and the hanging wall supporting mechanism further comprises a swing arm driving mechanism which is assembled to drive the second swing arm (22) to swing relative to the first swing arm (21) and drive the first swing arm (21) to swing relative to the rack; a clamping mechanism (30) is arranged at one end, far away from the first swing arm (21), of the second swing arm (22); the first swing arm (21) and the second swing arm (22) are positioned at the side of the bending unit (10), and the axis of a hinge shaft between the first swing arm (21) and the second swing arm (22) is arranged corresponding to a bending angle of the surface of the box body during first bending; the axis of a hinged shaft between the first swing arm (21) and the rack is arranged corresponding to a break angle when the surface of the box body is bent for the second time.
2. The electrical appliance box bending and forming machine according to claim 1, wherein: the bending device is characterized by further comprising a transfer mechanism, the transfer mechanism comprises a discharging frame (40) and discharging conveying rollers (50), the transfer mechanism is located on one side, away from the cantilever supporting mechanism (20), of the bending unit (10), the discharging frame (40) comprises a translation support (42) and a lifting support (43), the translation support (42) is movably arranged on a cross beam (41) along the direction parallel to the bending rollers, the lifting support (43) is movably arranged on the translation support (42) along the vertical direction, a driving element (95) used for driving the lifting support (43) to vertically move is arranged on the translation support (42), fork walls (44) are arranged on the lifting support (43), the fork walls (44) are arranged in a hanging mode towards one side where the bending unit (10) is located, the fork walls (44) are multiple, and the fork walls (44) are respectively arranged below a top plate and a bottom plate of the formed box body, the overhanging section of the fork wall (44) is provided with a hook block (45) protruding upwards; two guard plates (46) which are arranged in parallel at intervals along the horizontal direction are further arranged on the lifting support (43), and the two guard plates (46) are respectively arranged corresponding to the outer sides of two side walls of the formed box body; the discharge conveyor roller (50) is located below the translation path of the translation carriage (42).
3. The electrical appliance box bending and forming machine according to claim 1, wherein: the clamping mechanism (30) comprises a fixing plate (32) fixedly connected with the second swing arm (22) and a clamping plate (31) rotatably connected with the second swing arm (22), the clamping plate (31) is long, and the length direction of the clamping plate (31) is horizontally arranged and is vertical to the second swing arm (22); a balancing weight (33) is fixedly connected on the rotating shaft of the clamping plate (31); when the second swing arm (22) is in an initial station in a horizontal state, the clamping plate (31) and the fixing plate (32) are respectively arranged on the upper side and the lower side of the surface of the box body which is not bent yet, and the clamping plate (31) is in an overhanging state under the action of the balancing weight (33) and is separated from the surface of the box body; when the surface of the box body is bent for the first time, the second swing arm (22) swings to a vertical posture, and the clamping plate (31) swings towards a direction close to the fixing plate (32) relative to the second swing arm (22) under the action of the balancing weight (33) and clamps the surface of the box body tightly; first swing arm (21) swing to vertical gesture when box face is buckled for the second time, second swing arm (22) are static for first swing arm (21) and for the frame swing to horizontal gesture, and box face and fixed plate (32) are supported tightly all the time in this in-process splint (31) under the effect of balancing weight (33).
4. The electrical appliance box bending and forming machine according to claim 2, wherein: a first swing rod (34) and a second swing rod (36) are fixedly connected to a rotating shaft of the clamping plate (31), and a first pin shaft (35) and a second pin shaft (37) are respectively arranged on the first swing rod (34) and the second swing rod (36); the lifting block (15) is arranged in a vertically reciprocating mode, and the top block (38) is fixedly arranged, when the first swing arm (21) swings to a vertical posture, the lifting block (15) is located below the first pin shaft (35) and is in blocking connection with the first pin shaft (35), and at the moment, the lifting block (15) is lifted upwards to drive the rotating shaft of the clamping plate (31) to rotate and enable the gravity center of the balancing weight (33) to pass through the upper portion of the axis of the rotating shaft of the clamping plate (31); when the second swing arm (22) is reset to an initial station, the ejector block (38) is in blocking connection with the second pin shaft (37) and the ejector block (38) pushes the rotating shaft of the clamping plate (31) to rotate, so that the gravity center of the balancing weight (33) passes over the shaft center of the rotating shaft of the clamping plate (31) again, and the balancing weight (33) is reset; the lifting block (15) is fixedly connected with the pressing seat (12).
5. The electrical appliance box bending and forming machine according to claim 1, wherein: be equipped with linkage control mechanism between first swing arm (21), second swing arm (22), linkage control mechanism is assembled into first swing arm (21) and frame relatively static when swing arm actuating mechanism drive second swing arm (22) along the swing of first direction, and second swing arm (22) and first swing arm (21) relatively static when swing arm actuating mechanism drive first swing arm (21) along the swing of first direction, and can make second swing arm (22) swing along the swing of second direction for first swing arm (21) simultaneously when swing arm actuating mechanism drive first swing arm (21) along the swing of second direction, first direction and second direction are the rotation axis parallel and two opposite direction of rotation.
6. The electrical appliance box bending and forming machine according to claim 1, wherein: the linkage control mechanism comprises a first rotating shaft (23) and a second rotating shaft (24) which are arranged in parallel, the first rotating shaft (23) and the second rotating shaft (24) are respectively and rotatably arranged at two ends of a first swing arm (21), the first rotating shaft (23) is connected with the first swing arm (21) through a first one-way bearing (233), and the second rotating shaft (24) and the first swing arm (21) form damping rotation fit; the first rotating shaft (23) is connected with the frame through a second one-way bearing (232), and the first one-way bearing (233) and the second one-way bearing (232) are assembled to enable the first rotating shaft (23) to rotate relative to the first swing arm (21) and the frame only along a first direction; a third rotating shaft (25) which is parallel to the first rotating shaft (23) and the second rotating shaft (24) is arranged on the first swing arm (21), a first chain wheel (231) is arranged on the first rotating shaft (23), a second chain wheel (251) is arranged on the third rotating shaft (25), the first chain wheel (231) is in transmission fit with the second chain wheel (251) through an annular chain (26), a first gear (252) which is synchronously and rotatably connected with the second chain wheel (251) is arranged on the third rotating shaft (25), a second gear (241) which is meshed with the first gear (252) is arranged on the second rotating shaft (24), a clutch mechanism is arranged between the second rotating shaft (24) and the second swing arm (22), the clutch mechanism is assembled to be separated when the swing arm driving mechanism drives the second swing arm (22) to swing, so that the second swing arm (22) and the second rotating shaft (24) form relative rotation fit, and the clutch mechanism is closed when the swing arm driving mechanism is separated from the second swing arm (22), the second swing arm (22) is synchronously and rotatably connected with the second rotating shaft (24).
7. The electrical appliance box bending and forming machine according to claim 2, wherein: clutch device includes square shaft (242) with second pivot (24) rigid coupling to and picture peg (223) of setting on second swing arm (22) along the radial slip of second pivot (24), be equipped with U type groove on picture peg (223), the width in U type groove is unanimous with the width between the two-phase relative straight wall of square shaft (242), and second swing arm (22) and the synchronous normal running fit of second pivot (24) when U type groove is inserted on square shaft (242), second swing arm (22) and the relative normal running fit of second pivot (24) when U type slot breaks away from with square shaft (242).
8. The electrical appliance box bending and forming machine according to claim 3, wherein: the swing arm driving mechanism comprises a driving shaft (27), the axis of the driving shaft (27) is parallel to the axes of the first rotating shaft (23) and the second rotating shaft (24), and the driving shaft (27) is movably arranged between the first rotating shaft (23) and the second rotating shaft (24); the end part of the driving shaft (27) is provided with a strip-shaped driving block (271) arranged along the radial direction of the driving shaft (27); a first meshing block (211) coaxial with the first rotating shaft (23) is arranged on the first swing arm (21), a second meshing block (221) coaxial with the second rotating shaft (24) is arranged on the second swing arm (22), a bar-shaped slot (212) matched with the bar-shaped driving block (271) is arranged on the end face of one side, opposite to the driving shaft (27), of the first meshing block (211), and a fan-shaped slot (242) matched with the bar-shaped driving block (271) is arranged on one side, opposite to the driving shaft (27), of the second meshing block (221); the driving shaft (27) is coaxially and fixedly connected with the swinging shaft of the bending roller (11).
9. The electrical appliance box bending and forming machine according to claim 4, wherein: be equipped with first elastic element (225) between picture peg (223) and second swing arm (22), first elastic element (225) are assembled for its elasticity can drive the U type slot and the square shaft (242) of picture peg (223) and insert and close, still be equipped with cowl (224) on picture peg (223), can push away cowl (224) and make the U type slot and the square shaft (242) of picture peg (223) break away from when radial insertion fan-shaped slot (242) of second pivot (24) are followed in bar driving block (271).
10. The electrical appliance box bending and forming machine according to claim 2, wherein: the transmission ratio between the first gear (252) and the second gear (241) is 1: 1; the transmission ratio between the first chain wheel (231) and the second chain wheel (251) is 1: 1; a first limiting block used for limiting the swing angle of the first swing arm (21) relative to the frame to be 0-90 degrees is arranged between the first swing arm (21) and the frame; and a second limiting block used for limiting the swing angle of the second swing arm (22) relative to the first swing arm (21) to be 0-90 degrees is arranged between the first swing arm (21) and the second swing arm (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010979795.0A CN112122424A (en) | 2020-09-17 | 2020-09-17 | Bending and forming machine for electric appliance box body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010979795.0A CN112122424A (en) | 2020-09-17 | 2020-09-17 | Bending and forming machine for electric appliance box body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112122424A true CN112122424A (en) | 2020-12-25 |
Family
ID=73846899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010979795.0A Withdrawn CN112122424A (en) | 2020-09-17 | 2020-09-17 | Bending and forming machine for electric appliance box body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112122424A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113083969A (en) * | 2021-03-17 | 2021-07-09 | 无锡云集机械有限公司 | Bending device and bending method for acoustic-electric sensor measuring assembly for vehicle |
| CN113145694A (en) * | 2021-05-07 | 2021-07-23 | 中船重工鹏力（南京）智能装备系统有限公司 | Full-automatic impeller washing machine box body riveting forming equipment and method |
| CN117066356A (en) * | 2023-10-17 | 2023-11-17 | 山东宏泰电器有限公司 | Bending riveting equipment for preparing refrigerator liner port-shaped coaming |
| CN117840279B (en) * | 2024-03-05 | 2024-04-30 | 山东霖臻睿空调设备有限公司 | Automatic forming equipment for air conditioner fan coil assembly |
-
2020
- 2020-09-17 CN CN202010979795.0A patent/CN112122424A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113083969A (en) * | 2021-03-17 | 2021-07-09 | 无锡云集机械有限公司 | Bending device and bending method for acoustic-electric sensor measuring assembly for vehicle |
| CN113083969B (en) * | 2021-03-17 | 2022-05-17 | 无锡云集机械有限公司 | Bending device and bending method for acoustic-electric sensor measuring assembly for vehicle |
| CN113145694A (en) * | 2021-05-07 | 2021-07-23 | 中船重工鹏力（南京）智能装备系统有限公司 | Full-automatic impeller washing machine box body riveting forming equipment and method |
| CN117066356A (en) * | 2023-10-17 | 2023-11-17 | 山东宏泰电器有限公司 | Bending riveting equipment for preparing refrigerator liner port-shaped coaming |
| CN117066356B (en) * | 2023-10-17 | 2023-12-22 | 山东宏泰电器有限公司 | Bending riveting equipment for preparing refrigerator liner port-shaped coaming |
| CN117840279B (en) * | 2024-03-05 | 2024-04-30 | 山东霖臻睿空调设备有限公司 | Automatic forming equipment for air conditioner fan coil assembly |
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Application publication date: 20201225 |
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| WW01 | Invention patent application withdrawn after publication |