CN112087908B - Presetting method for electric appliance box body - Google Patents
Presetting method for electric appliance box body Download PDFInfo
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- CN112087908B CN112087908B CN202010982558.XA CN202010982558A CN112087908B CN 112087908 B CN112087908 B CN 112087908B CN 202010982558 A CN202010982558 A CN 202010982558A CN 112087908 B CN112087908 B CN 112087908B
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/04—Metal casings
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Abstract
The invention belongs to the field of electric appliance production and processing equipment, and particularly relates to a presetting method for an electric appliance box body, which comprises the following steps: step 1: fixing the box body along the width direction and the length direction of the box body; step 2: clamping corners at two ends of the top wall of the box body and clamping the seam of the top wall of the box body; and step 3: inserting the clamping strips on two turned edges on the inner side of the seam of the top wall of the box body; and in the step 3, inserting the clamping strip by adopting an inserting mechanism. The box body supporting mechanism provided by the invention can clamp corners between the top wall and the side wall of the box body from the inner side and the outer side, simultaneously clamp a joint area of the top wall of the box body, insert the clamping strip on the flanging at the joint by using the inserting mechanism, and clamp the two flanging by using the clamping strip to realize temporary fixation of the joint, so that the top wall can form a whole, the structural strength is better, the box body is prevented from collapsing and deforming, and convenience is provided for subsequent processing.
Description
Technical Field
The invention belongs to the field of electric appliance production and processing equipment, and particularly relates to a method for presetting 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 cantilever section appears at the top in the box body bending and forming process, and the cantilever section can cause the top of the box body to collapse towards the middle, as shown in fig. 2, the surface of the box body can be deformed in the subsequent transfer processing process, and the collapsed box body in the subsequent processing process is not beneficial to installing other structural members in the box body, so that inconvenience is brought to the subsequent processing.
Disclosure of Invention
The invention aims to provide a presetting method of an electrical appliance box body, which can temporarily fixedly connect seams of the formed box body and improve the structural strength of the box body so as to facilitate subsequent processing and assembly.
The technical scheme adopted by the invention is as follows:
a presetting method for an electric appliance box body comprises the following steps:
step 1: conveying the bent box body to a shaping station, and fixing the box body along the width direction and the length direction of the box body;
step 2: clamping corners at two ends of the top wall of the box body by using a box body supporting mechanism, and then clamping the joint of the top wall of the box body along the vertical direction to ensure that the top wall at the joint keeps a horizontal posture;
and step 3: inserting the clamping strips on the two turned edges on the inner side of the seam of the top wall of the box body, and clamping and fixing the two turned edges by using the clamping strips;
and 4, step 4: the box body supporting mechanism loosens the box body, and the box body is pre-shaped;
in the step 2, the box body supporting mechanism comprises an outer supporting part and an inner supporting part, the outer supporting part comprises a horizontal top plate, the bottom surface of the horizontal top plate is attached to the top surface of the box body, extension parts which protrude downwards are arranged at two ends of the horizontal top plate, and the extension parts are attached to the upper ends of two side walls of the box body; the inner supporting part comprises right-angle supporting blocks which are abutted with the inner sides of corners at two ends of the top wall of the box body and horizontal supporting blocks which are abutted with the bottom surfaces at two sides of the seam of the top wall of the box body; the right-angle supporting block is movably arranged along the vertical direction and the horizontal direction, and the horizontal supporting block is movably arranged along the vertical direction; the inner supporting part further comprises a fixed seat and a lifting seat, the lifting seat is movably connected with the fixed seat along the vertical direction, the right-angle supporting block is movably connected with the lifting seat along the horizontal direction and the vertical direction, a linkage mechanism is arranged between the right-angle supporting block and the lifting seat, and the linkage mechanism is assembled to drive the right-angle supporting block to be ejected upwards towards two ends of the lifting seat when the lifting seat is lifted to a specified position relative to the fixed seat;
in the step 3, the clamping strip is made of an elastic metal material and comprises two symmetrically arranged clamping walls, one side of each clamping wall is connected into a whole through a connecting part, and the other sides of the two clamping walls are mutually folded.
In the step 3, the clamping strips are inserted by adopting an insertion mechanism, the insertion mechanism comprises a feeding groove, a sliding groove and a pushing mechanism, the feeding groove is used for stacking the clamping strips in parallel, and the two clamping walls of the clamping strips are stacked in the feeding groove with the folding ends upward; the spout is located the feed tank below, and the spout is just to setting up along box width direction and box roof seam region, and the card strip of feed tank lower floor can drop to the spout in naturally, push mechanism includes the ejector pad that sets up in the spout, the ejector pad is by the drive element drive and be reciprocating motion in the spout.
The right-angle supporting block is movably connected with the sliding seat along the vertical direction, the sliding seat is in sliding connection with the lifting seat along the horizontal direction, a wedge-shaped surface is arranged on the right-angle supporting block, wedge-shaped driving surfaces are arranged at two ends of the lifting seat, and when the sliding seat slides to the end part of the lifting seat, the wedge-shaped driving surfaces extrude the wedge-shaped surface to enable the right-angle supporting block to be lifted upwards relative to the sliding seat; and a second elastic unit is arranged between the right-angle supporting block and the sliding seat, the second elastic unit is assembled to enable the elastic force of the second elastic unit to drive the right-angle supporting block to move downwards relative to the sliding seat, and the right-angle supporting block moves downwards relative to the sliding seat under the action of the second elastic unit when the sliding seat slides towards the direction far away from the end part of the lifting seat.
A third elastic unit is arranged between the sliding seat and the lifting seat, the third elastic unit is assembled to enable the elastic force of the third elastic unit to drive the sliding seat to slide towards the end part of the lifting seat, a locking mechanism is further arranged between the sliding seat and the lifting seat, the locking mechanism is assembled to enable the sliding seat to be locked at a station far away from the end part of the lifting plate when the sliding seat is located at the station, and the locking mechanism can release the sliding seat to enable the sliding seat to slide towards the end part of the lifting seat under the action of the third elastic unit when the lifting seat is lifted to a specified height; and the linkage resetting mechanism is assembled to drive the sliding seat to slide from the end part of the lifting seat to the inner side of the lifting seat to a station far away from the end part of the lifting plate when the lifting seat moves downwards from the specified height.
Locking mechanism includes the round hole and the strip hole of seting up each other through on the slide to and the locking round pin that slides the setting along vertical direction on the lift seat, the locking round pin alternates in round hole and strip hole, and the width in strip hole is less than the diameter of round hole, is equipped with the annular on the locking round pin, and the diameter of locking round pin is less than or equal to the round hole diameter and is greater than strip hole width, and the tank bottom diameter of annular is less than strip hole width, be equipped with fourth elastic element between locking round pin and the lift seat, fourth elastic element be assembled for its elasticity can order about the annular of locking round pin along locking round pin axial with strip hole and round hole stagger, still include unblock actuating mechanism, unblock actuating mechanism is assembled for can drive the locking round pin when lift seat lifting to assigned position and slide and make annular and round hole and strip hole parallel and level.
The unlocking driving mechanism comprises a lifting plate, the upper end of the locking pin is provided with a radial flange, the top surface of the lifting plate is in blocking connection with the bottom surface of the radial flange, the lifting plate is fixed on a horizontal supporting block, the horizontal supporting block is fixedly connected with a piston rod of a piston cylinder vertically arranged on a fixed seat, the bottom surface of the horizontal supporting block is in blocking connection with the top surface of a lifting seat, a fifth elastic unit is arranged between the horizontal supporting block and the lifting seat, the fifth elastic unit is assembled into a structure that the elastic force of the fifth elastic unit can drive the lifting seat to move upwards relative to the horizontal supporting block, a vertical guide pillar is arranged on the fixed seat, the lifting seat is in sliding fit with the vertical guide pillar, the top end of the vertical guide pillar is provided with a convex ring, the bottom surface of the convex ring is in blocking connection with the top surface of the lifting seat, and the lifting seat is just at the designated height when the bottom surface of the convex ring is attached to the top surface of the lifting seat; when the piston cylinder drives the horizontal supporting block to go upward, the horizontal supporting block drives the lifting seat to go upward synchronously through the fifth elastic unit, when the lifting seat is blocked and connected with the convex ring at the upper end of the vertical guide pillar, the lifting seat is blocked by the convex ring to stop going upward, and when the horizontal supporting block continues to go upward, the locking pin can be driven to slide upward relative to the lifting seat so that the annular groove and the round hole are flush with the strip hole.
The linkage resetting mechanism comprises a wedge block arranged on the sliding seat and a wedge-shaped driving block arranged on the fixed seat, wherein the wedge block and the wedge-shaped driving block are assembled to extrude the wedge block when the lifting seat is down, and the sliding seat slides to the direction far away from the end part of the lifting seat until the round hole is aligned to the vertical direction of the locking pin.
The baffle wall is positioned on one side which is simultaneously adjacent to the side wall, the bottom wall and the top wall of the box body, one side of the horizontal top plate, which is far away from the baffle wall, is provided with a baffle strip which protrudes downwards, and the baffle strip is blocked and connected with a flanging on one side, which is far away from the baffle wall, of the top wall of the box body; the baffle wall is fixedly arranged on the rack, the outer supporting part and the inner supporting part are both arranged on a movable support, and the movable support is movably arranged on the rack along the width direction of the box body; the inserting mechanism is positioned on one side of the box body, which is far away from the blocking wall, and the inserting mechanism is arranged on the movable support.
An avoidance groove is arranged at the position, corresponding to the seam of the top wall of the box body, of the horizontal supporting block, and when the horizontal supporting block is attached to the bottom surface of the top wall of the box body, the avoidance groove is in butt joint with the sliding groove to form a channel for the clamping strip to slide; a wedge block is arranged in a butt joint area of the avoiding groove and the sliding groove, the width of one end, close to the sliding groove, of the wedge block is larger than that of one end, close to the avoiding groove, of the wedge block, one end, facing the sliding groove, of the wedge block is in an arrow shape, the vertex of the arrow is located on the central line of the clamping strip, and when the clamping strip passes through the wedge block, the wedge block can prop open two clamping walls of the clamping strip; the wedge block is fixedly connected with the groove wall of the avoidance groove or the sliding groove.
The second elastic unit, the third elastic unit, the fourth elastic unit and the fifth elastic unit are compression springs; the piston cylinder is an air cylinder; the driving element is an electric cylinder, and the push block is fixed on a sliding block of the electric cylinder.
The invention has the technical effects that: the box body supporting mechanism provided by the invention can clamp corners between the top wall and the side walls of the box body from the inner side and the outer side, simultaneously clamp a joint area of the top wall of the box body, insert the clamping strip on the flanging at the joint by using the inserting mechanism, and clamp the two flanging by using the clamping strip to realize temporary fixation of the joint, so that the top wall can form a whole, the structural strength is better, the box body is prevented from collapsing and deforming, and convenience is provided for subsequent processing; in addition, the box body supporting mechanism is inserted into the box body from the position which is lower than the center of the box body, and then the top wall of the box body is gradually lifted upwards, so that the collapsed box body can be righted, and the clamping strips are ensured to be accurately inserted in place.
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 pre-shaping apparatus provided by an embodiment of the present invention;
FIG. 4 is a perspective view of another perspective of the pre-shaping apparatus provided by the embodiment of the present invention, with the outer support, the dam and the discharge conveyor rollers hidden;
FIG. 5 is a perspective view from another perspective of the state shown in FIG. 4;
FIG. 6 is a top view of the condition shown in FIG. 4;
FIG. 7 is a sectional view A-A of FIG. 6;
FIG. 8 is a cross-sectional view B-B of FIG. 6;
FIG. 9 is an enlarged partial view of I of FIG. 6;
FIG. 10 is a cross-sectional view C-C of FIG. 8;
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 pre-shaping device for an electric appliance box body comprises a clamping strip 91, a box body supporting mechanism and an inserting mechanism 90, wherein the clamping strip 91 is made of elastic metal materials, the clamping strip 91 comprises two symmetrically arranged clamping walls, one side of each of the two clamping walls is connected into a whole through a connecting part, and the other sides of the two clamping walls are mutually folded; the box body supporting mechanism comprises an outer supporting part 60 and an inner supporting part 80, the outer supporting part 60 comprises a horizontal top plate, the bottom surface of the horizontal top plate is attached to the top surface of the box body, two ends of the horizontal top plate are provided with extending parts which protrude downwards, and the extending parts are attached to the upper ends of two side walls of the box body; the inner supporting part 80 comprises a right-angle supporting block 85 which is abutted with the inner sides of the corners at the two ends of the top wall of the box body and a horizontal supporting block 83 which is abutted with the bottom surfaces at the two sides of the seam of the top wall of the box body; the right-angle supporting block 85 is movably arranged along the vertical direction and the horizontal direction, and the horizontal supporting block 83 is movably arranged along the vertical direction; the inner support part 80 further comprises a fixed seat 81 and a lifting seat 82, the lifting seat 82 is movably connected with the fixed seat 81 along the vertical direction, the right-angle supporting block 85 is movably connected with the lifting seat 82 along the horizontal direction and the vertical direction, a linkage mechanism is arranged between the right-angle supporting block 85 and the lifting seat 82, and the linkage mechanism is assembled to drive the right-angle supporting block 85 to be ejected upwards towards two ends of the lifting seat 82 when the lifting seat 82 is lifted to a specified position relative to the fixed seat 81; the inserting mechanism 90 comprises a feeding groove 92, a sliding groove 93 and a pushing mechanism, the feeding groove 92 is used for stacking the clamping strip 91 in parallel, and the clamping strip 91 is stacked in the feeding groove 92 with two clamping walls with the closing ends facing upwards; the sliding groove 93 is located below the feeding groove 92, the sliding groove 93 is arranged opposite to a seam area of the top wall of the box body along the width direction of the box body, the clamping strip 91 at the lowest layer of the feeding groove 92 can naturally fall into the sliding groove 93, the pushing mechanism comprises a pushing block 94 arranged in the sliding groove 93, and the pushing block 94 is driven by a driving element 95 and reciprocates in the sliding groove 93. The box body supporting mechanism provided by the invention can clamp corners between the top wall and the side walls of the box body from the inner side and the outer side, simultaneously clamp a joint area of the top wall of the box body, insert the clamping strip 91 on the flanging at the joint by using the inserting mechanism 90, and clamp the two flanging by using the clamping strip 91 to realize temporary fixation of the joint, so that the top wall can form a whole, the structural strength is better, the box body is prevented from collapsing and deforming, and convenience is provided for subsequent processing. In addition, the box body supporting mechanism is inserted into the box body from the position which is lower than the center of the box body, and then the top wall of the box body is gradually lifted upwards, so that the collapsed box body can be righted, and the clamping strips 91 are ensured to be accurately inserted in place.
Specifically, the right-angle supporting block 85 is movably connected with the sliding seat 84 in the vertical direction, the sliding seat 84 is slidably connected with the lifting seat 82 in the horizontal direction, a wedge-shaped surface 852 is arranged on the right-angle supporting block 85, wedge-shaped driving surfaces 822 are arranged at two ends of the lifting seat 82, and when the sliding seat 84 slides towards the end of the lifting seat 82, the wedge-shaped driving surfaces 822 press the wedge-shaped surface 852 to lift the right-angle supporting block 85 upwards relative to the sliding seat 84; a second elastic unit 851 is arranged between the right-angle supporting block 85 and the sliding seat 84, the second elastic unit 851 is assembled in such a way that the elastic force of the second elastic unit 851 can drive the right-angle supporting block 85 to move downwards relative to the sliding seat 84, and the right-angle supporting block 85 moves downwards relative to the sliding seat 84 under the action of the second elastic unit 851 when the sliding seat 84 slides away from the end of the lifting seat 82; a third elastic unit 841 is arranged between the sliding seat 84 and the lifting seat 82, the third elastic unit 841 is assembled to enable the elastic force of the third elastic unit 841 to drive the sliding seat 84 to slide towards the end of the lifting seat 82, a locking mechanism is further arranged between the sliding seat 84 and the lifting seat 82, the locking mechanism is assembled to enable the sliding seat 84 to be locked at a station far away from the end of the lifting plate 832 when the sliding seat 84 is at the station, and the locking mechanism can release the sliding seat 84 to enable the sliding seat 84 to slide towards the end of the lifting seat 82 under the action of the third elastic unit 841 when the lifting seat 82 is lifted to a specified height; a linkage return mechanism is provided that is configured to drive the slide 84 to slide from the end of the elevator platform 82 inwardly of the elevator platform 82 to a station remote from the end of the elevator plate 832 when the elevator platform 82 moves downwardly from the designated height. According to the invention, the right-angle supporting block 85 is lifted upwards for a distance along with the lifting seat 82, the sliding seat 84 is locked by the locking mechanism in the lifting process, the right-angle supporting block 85 is prevented from popping out towards two sides, friction between the right-angle supporting block 85 and the inner wall of the box body is further avoided, the locking mechanism can be automatically triggered to unlock after the right-angle supporting block is lifted to a specified height, the sliding seat 84 pops out towards two sides under the action of the third elastic unit 841, the right-angle supporting block 85 pops out obliquely upwards under the action of the wedge-shaped driving surface 822 and the wedge-shaped surface 852, so that the right-angle supporting block 85 is attached to the corner of the box body along an oblique path, friction between the right-angle supporting block 85 and the top wall or the side wall of the box body is avoided, and the inner wall of the box body is prevented from being damaged.
Preferably, the locking mechanism includes a sliding seat 84, which is provided with a circular hole and a bar hole, which are communicated with each other, the circular hole and the bar hole are provided on a locking plate fixedly connected with the sliding seat 84, and a locking pin 844 arranged on the lifting seat 82 in a sliding manner along the vertical direction, wherein the locking pin 844 is inserted into the round hole and the strip hole, the width of the strip hole is smaller than the diameter of the round hole, an annular groove 845 is arranged on the locking pin 844, the diameter of the locking pin 844 is smaller than or equal to the diameter of the round hole and is larger than the width of the strip hole, the diameter of the bottom of the annular groove 845 is smaller than the width of the strip hole, be equipped with fourth elastic element 846 between locking round pin 844 and the lift seat 82, fourth elastic element 846 is assembled as its elasticity can drive the annular 845 of locking round pin 844 along locking round pin 844 axial with the round hole staggers, still includes the unblock actuating mechanism, and the unblock actuating mechanism is assembled to can drive locking round pin 844 and slide and make annular 845 and round hole and a round hole parallel and level when lift seat 82 lifts to the assigned position.
Specifically, the unlocking driving mechanism includes a lifting plate 832, the upper end of the locking pin 844 is provided to a radial flange, the top surface of the lifting plate 832 is blocked and connected with the bottom surface of the radial flange, the lifting plate 832 is fixed on the horizontal supporting block 83, the horizontal supporting block 83 is fixedly connected with the piston rod of the piston cylinder 86 vertically arranged on the fixed seat 81, the bottom surface of the horizontal supporting block 83 is blocked and connected with the top surface of the lifting seat 82, and a fifth elastic unit 821 is provided between the horizontal support block 83 and the elevation base 82, the fifth elastic unit 821 is assembled such that its elastic force can drive the elevation base 82 to move upward with respect to the horizontal support block 83, the fixed seat 81 is provided with a vertical guide post 811, the lifting seat 82 and the vertical guide post 811 form sliding fit, the top end of the vertical guide post 811 is provided with a convex ring, the bottom surface of the convex ring is blocked and connected with the top surface of the lifting seat 82, when the bottom surface of the convex ring is attached to the top surface of the lifting seat 82, the lifting seat 82 is just at the designated height; when piston cylinder 86 drive horizontal support block 83 went upward, horizontal support block 83 passed through fifth elastic element 821 and drives lift seat 82 and go upward in step, thereby lift seat 82 was blockked by the bulge loop and stops going upward when lift seat 82 kept off with vertical guide pillar 811 upper end bulge loop, thereby horizontal support block 83 can drive locking pin 844 when continuing to go upward and upwards slide for lift seat 82 and make annular groove 845 and round hole and a hole parallel and level, locking pin 844 loses the effect of blockking with slide 84 this moment, and then make slide 84 pop out under the spring action.
Preferably, the linkage resetting mechanism comprises a wedge 842 arranged on the sliding seat 84 and a wedge driving block 812 arranged on the fixed seat 81, and the wedge 842 and the wedge driving block 812 are assembled such that when the lifting seat 82 goes down, the wedge driving block 812 can press the wedge 842 and make the sliding seat 84 slide in a direction away from the end of the lifting seat 82 until the circular hole is vertically opposite to the locking pin 844. When the horizontal supporting block 83 goes down, the locking pin 844 is released firstly, and at this time, because the locking pin 844 is located in the strip hole, the step surface of the annular groove 845 of the locking pin 844 abuts against the edge of the strip hole under the action of elastic force, and along with the continuous downward movement of the horizontal supporting block 83, the lifting seat 82 is driven to go down, at this time, the sliding seat 84 slides towards the direction far away from the edge of the lifting seat 82 under the action of the wedge-shaped block 842 and the wedge-shaped driving block 812, and when the circular hole is right opposite to the locking pin 844, the locking pin 844 is inserted into the circular hole under the action of the elastic force, and then the sliding seat 84 is locked again.
Furthermore, the box body structure also comprises a baffle wall 70, wherein the baffle wall 70 is positioned on one side which is simultaneously adjacent to the side wall, the bottom wall and the top wall of the box body, one side of the horizontal top plate, which is far away from the baffle wall 70, is provided with a baffle strip which protrudes downwards, and the baffle strip is blocked and connected with a flanging on one side, which is far away from the baffle wall 70, of the top wall of the box body; the baffle wall 70 is fixedly arranged on the frame, the outer supporting part 60 and the inner supporting part 80 are both arranged on a movable bracket 96, and the movable bracket 96 is movably arranged on the frame along the width direction of the box body; the insertion mechanism 90 is located on a side of the case facing away from the blocking wall 70, and the insertion mechanism 90 is mounted on a movable bracket 96. The cooperation of the retaining wall 70 and the retaining strip enables positioning in the width direction of the box.
Further, a dodging groove 831 is arranged at a position, corresponding to the seam of the top wall of the box body, of the horizontal supporting block 83, and when the horizontal supporting block 83 is attached to the bottom surface of the top wall of the box body, the dodging groove 831 is in butt joint with the sliding groove 93 to form a channel for the clamping strip 91 to slide. A wedge 97 is arranged in the butt joint area of the avoidance groove 831 and the sliding groove 93, the width of one end, close to the sliding groove 93, of the wedge 97 is larger than that of one end, close to the avoidance groove 831, of the wedge 97, one end, facing the sliding groove 93, of the wedge 97 is in an arrow shape, the vertex of the arrow is located on the central line of the clamping strip 91, and when the clamping strip 91 passes through the wedge 97, the wedge 97 can stretch out two clamping walls of the clamping strip 91 so that flanging can enter between the two clamping walls; the wedge 97 is fixedly connected with the groove wall of the avoiding groove 831 or the sliding groove 93.
Preferably, the second elastic unit 851, the third elastic unit 841, the fourth elastic unit 846 and the fifth elastic unit 821 are compression springs; the piston cylinder 86 is a cylinder. The driving element 95 is an electric cylinder, and the push block 94 is fixed on a slide block of the electric cylinder.
Example 2
A method for fixing an electric appliance box body by adopting the electric appliance box body pre-setting device in embodiment 1 comprises the following steps:
step 1: conveying the bent box body to a shaping station, and fixing the box body along the width direction and the length direction of the box body;
step 2: clamping corners at two ends of the top wall of the box body by using a box body supporting mechanism, and then clamping the joint of the top wall of the box body along the vertical direction to ensure that the top wall at the joint keeps a horizontal posture;
and step 3: inserting the clamping strips 91 on the two turned edges on the inner side of the seam of the top wall of the box body, and clamping and fixing the two turned edges by using the clamping strips 91;
and 4, step 4: the box body supporting mechanism loosens the box body, and the box body is pre-shaped;
in the step 3, the clamping strip 91 is inserted by the inserting mechanism 90.
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. A presetting method of an electric appliance box body is characterized in that: the method comprises the following steps:
step 1: conveying the bent box body to a shaping station, and fixing the box body along the width direction and the length direction of the box body;
step 2: clamping corners at two ends of the top wall of the box body by using a box body supporting mechanism, and then clamping the joint of the top wall of the box body along the vertical direction to ensure that the top wall at the joint keeps a horizontal posture;
and step 3: inserting the clamping strips (91) on the two flanges on the inner side of the seam of the top wall of the box body, and clamping and fixing the two flanges by using the clamping strips (91);
and 4, step 4: the box body supporting mechanism loosens the box body, and the box body is pre-shaped;
in the step 2, the box body supporting mechanism comprises an outer supporting part (60) and an inner supporting part (80), the outer supporting part (60) comprises a horizontal top plate, the bottom surface of the horizontal top plate is attached to the top surface of the box body, two ends of the horizontal top plate are provided with extending parts which protrude downwards, and the extending parts are attached to the upper ends of two side walls of the box body; the inner supporting part (80) comprises a right-angle supporting block (85) which is abutted against the inner sides of the corners at the two ends of the top wall of the box body and a horizontal supporting block (83) which is abutted against the bottom surfaces at the two sides of the seam of the top wall of the box body; the right-angle supporting block (85) is movably arranged along the vertical direction and the horizontal direction, and the horizontal supporting block (83) is movably arranged along the vertical direction; the inner supporting part (80) further comprises a fixed seat (81) and a lifting seat (82), the lifting seat (82) is movably connected with the fixed seat (81) along the vertical direction, the right-angle supporting block (85) is movably connected with the lifting seat (82) along the horizontal direction and the vertical direction, a linkage mechanism is arranged between the right-angle supporting block (85) and the lifting seat (82), and the linkage mechanism is assembled to drive the right-angle supporting block (85) to be ejected upwards in an inclined mode towards two ends of the lifting seat (82) when the lifting seat (82) is lifted to a specified position relative to the fixed seat (81);
in the step 3, the clamping strip (91) is made of an elastic metal material, the clamping strip (91) comprises two symmetrically arranged clamping walls, one side of each clamping wall is connected into a whole through a connecting part, and the other sides of the two clamping walls are mutually furled.
2. The electrical appliance box body presetting method of claim 1, characterized in that: in the step 3, the clamping strips (91) are inserted by an inserting mechanism (90), the inserting mechanism (90) comprises a feeding groove (92), a sliding groove (93) and a pushing mechanism, the feeding groove (92) is used for stacking the clamping strips (91) in parallel, and the two clamping walls of the clamping strips (91) with the closing ends facing upwards are stacked in the feeding groove (92); the feeding device is characterized in that the sliding groove (93) is located below the feeding groove (92), the sliding groove (93) is arranged right opposite to a seam area of the top wall of the box body along the width direction of the box body, the clamping strip (91) of the lowest layer of the feeding groove (92) can naturally fall into the sliding groove (93), the pushing mechanism comprises a pushing block (94) arranged in the sliding groove (93), and the pushing block (94) is driven by a driving element (95) and moves in the sliding groove (93) in a reciprocating mode.
3. The electrical appliance box body presetting method of claim 2, characterized in that: the right-angle supporting block (85) is movably connected with the sliding seat (84) along the vertical direction, the sliding seat (84) is in sliding connection with the lifting seat (82) along the horizontal direction, a wedge-shaped surface (852) is arranged on the right-angle supporting block (85), wedge-shaped driving surfaces (822) are arranged at two ends of the lifting seat (82), and when the sliding seat (84) slides towards the end of the lifting seat (82), the wedge-shaped driving surfaces (822) extrude the wedge-shaped surface (852) to enable the right-angle supporting block (85) to be lifted upwards relative to the sliding seat (84); a second elastic unit (851) is arranged between the right-angle supporting block (85) and the sliding seat (84), the second elastic unit (851) is assembled in a way that the elastic force of the second elastic unit can drive the right-angle supporting block (85) to move downwards relative to the sliding seat (84), and the right-angle supporting block (85) moves downwards relative to the sliding seat (84) under the action of the second elastic unit (851) when the sliding seat (84) slides in the direction away from the end part of the lifting seat (82).
4. The electrical appliance box body presetting method of claim 3, characterized in that: a third elastic unit (841) is arranged between the sliding seat (84) and the lifting seat (82), the third elastic unit (841) is assembled to enable the sliding seat (84) to slide towards the end part of the lifting seat (82) under the action of elastic force, a locking mechanism is further arranged between the sliding seat (84) and the lifting seat (82), the locking mechanism is assembled to enable the sliding seat (84) to be locked at a station far away from the end part of the lifting plate (832) when the sliding seat (84) is at the station, and the locking mechanism can release the sliding seat (84) to enable the sliding seat (84) to slide towards the end part of the lifting seat (82) under the action of the third elastic unit (841) when the lifting seat (82) is lifted to a specified height; and the linkage resetting mechanism is assembled to drive the sliding seat (84) to slide from the end part of the lifting seat (82) to the inner side of the lifting seat (82) to the working position far away from the end part of the lifting plate (832) when the lifting seat (82) moves downwards from the specified height.
5. The electrical appliance box body presetting method of claim 4, characterized in that: the locking mechanism comprises a round hole and a strip hole which are formed in the sliding seat (84) and are communicated with each other, and a locking pin (844) which is arranged on the lifting seat (82) in a sliding mode along the vertical direction, wherein the locking pin (844) is inserted into the round hole and the strip hole, the width of the strip hole is smaller than the diameter of the round hole, an annular groove (845) is formed in the locking pin (844), the diameter of the locking pin (844) is smaller than or equal to the diameter of the round hole and larger than the width of the strip hole, the diameter of the bottom of the annular groove (845) is smaller than the, be equipped with fourth elastic element (846) between locking round pin (844) and lift seat (82), fourth elastic element (846) be assembled for its elasticity can drive annular groove (845) of locking round pin (844) along locking round pin (844) axial with the round hole staggers, still include unblock actuating mechanism, unblock actuating mechanism is assembled for can drive locking round pin (844) and slide and make annular groove (845) and round hole and a hole parallel and level when lift seat (82) lift to assigned position.
6. The electrical appliance box body presetting method of claim 5, characterized in that: the unlocking driving mechanism comprises a lifting plate (832), the upper end of a locking pin (844) is arranged on a radial flange, the top surface of the lifting plate (832) is in blocking connection with the bottom surface of the radial flange, the lifting plate (832) is fixed on a horizontal supporting block (83), the horizontal supporting block (83) is fixedly connected with a piston rod of a piston cylinder (86) vertically arranged on a fixed seat (81), the bottom surface of the horizontal supporting block (83) is in blocking connection with the top surface of a lifting seat (82), a fifth elastic unit (821) is arranged between the horizontal supporting block (83) and the lifting seat (82), the fifth elastic unit (821) is assembled to enable the elastic force of the fifth elastic unit to drive the lifting seat (82) to move upwards relative to the horizontal supporting block (83), a vertical guide pillar (811) is arranged on the fixed seat (81), the lifting seat (82) is in sliding fit with the vertical guide pillar (811), and a convex ring is arranged at the top end of the vertical guide pillar (811), the bottom surface of the convex ring is blocked and connected with the top surface of the lifting seat (82), and the lifting seat (82) is just positioned at the designated height when the bottom surface of the convex ring is attached to the top surface of the lifting seat (82); when piston cylinder (86) drive horizontal support block (83) went upward, horizontal support block (83) drive lift seat (82) through fifth elastic element (821) and go upward in step, thereby lift seat (82) stopped upward by the bulge loop when lift seat (82) and vertical guide pillar (811) upper end bulge loop fender connect, thereby horizontal support block (83) can drive locking pin (844) and make annular groove (845) and round hole and strip hole parallel and level for lift seat (82) upwards sliding when continuing to go upward.
7. The electrical appliance box body presetting method of claim 6, characterized in that: the linkage resetting mechanism comprises a wedge block (842) arranged on a sliding seat (84) and a wedge driving block (812) arranged on a fixed seat (81), wherein the wedge block (842) and the wedge driving block (812) are assembled to extrude the wedge block (842) and enable the sliding seat (84) to slide until a round hole is aligned to a vertical direction along with a locking pin (844) when the lifting seat (82) moves downwards, and the wedge driving block (812) is far away from the end part of the lifting seat (82).
8. The electrical appliance box body presetting method of claim 2, characterized in that: the box body is characterized by further comprising a blocking wall (70), wherein the blocking wall (70) is positioned on one side which is adjacent to the side wall, the bottom wall and the top wall of the box body at the same time, one side of the horizontal top plate, which is far away from the blocking wall (70), is provided with a blocking strip which protrudes downwards, and the blocking strip is blocked and connected with a flanging on one side, which is far away from the blocking wall (70), of the top wall of the box body; the baffle wall (70) is fixedly arranged on the rack, the outer supporting part (60) and the inner supporting part (80) are both arranged on a movable support (96), and the movable support (96) is movably arranged on the rack along the width direction of the box body; the inserting mechanism (90) is positioned on one side of the box body, which is far away from the blocking wall (70), and the inserting mechanism (90) is installed on the movable support (96).
9. The electrical appliance box body presetting method of claim 8, characterized in that: an avoiding groove (831) is formed in the position, corresponding to the seam of the top wall of the box body, of the horizontal supporting block (83), and when the horizontal supporting block (83) is attached to the bottom surface of the top wall of the box body, the avoiding groove (831) is in butt joint with the sliding groove (93) to form a channel for the clamping strip (91) to slide; a wedge block (97) is arranged in a butt joint area of the avoiding groove (831) and the sliding groove (93), the width of one end, close to the sliding groove (93), of the wedge block (97) is larger than that of one end, close to the avoiding groove (831), of the wedge block (97), one end, facing the sliding groove (93), of the wedge block (97) is in an arrow shape, the vertex of the arrow is located on the central line of the clamping strip (91), and when the clamping strip (91) passes through the wedge block (97), the wedge block (97) can prop open two clamping walls of the clamping strip (91); the wedge block (97) is fixedly connected with the groove wall of the avoidance groove (831) or the sliding groove (93).
10. The electrical appliance box body presetting method of claim 6, characterized in that: the second elastic unit (851), the third elastic unit (841), the fourth elastic unit (846) and the fifth elastic unit (821) are all compression springs; the piston cylinder (86) is a cylinder; the driving element (95) is an electric cylinder, and the push block (94) is fixed on a sliding block of the electric cylinder.
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| CN202010982558.XA CN112087908B (en) | 2020-09-17 | 2020-09-17 | Presetting method for electric appliance box body |
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| CN202010982558.XA CN112087908B (en) | 2020-09-17 | 2020-09-17 | Presetting method for electric appliance box body |
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