CN113714349B - Horizontal type four-corner frame bending machine and production method thereof - Google Patents
Horizontal type four-corner frame bending machine and production method thereof Download PDFInfo
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- CN113714349B CN113714349B CN202111018324.4A CN202111018324A CN113714349B CN 113714349 B CN113714349 B CN 113714349B CN 202111018324 A CN202111018324 A CN 202111018324A CN 113714349 B CN113714349 B CN 113714349B
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- bending
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- lifting
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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
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/02—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment
- B21D7/024—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment by a swinging forming member
-
- 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
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/02—Ejecting devices
- B21D45/04—Ejecting devices interrelated with motion of tool
-
- 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
- B21D53/00—Making other particular articles
- B21D53/74—Making other particular articles frames for openings, e.g. for windows, doors, handbags
-
- 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
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/16—Auxiliary equipment, e.g. for heating or cooling of bends
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention provides a horizontal four-corner frame bending machine and a production method thereof, wherein the horizontal four-corner frame bending machine comprises a machine frame, a position adjusting mechanism, two sliding seats, a compression positioning device, a discharging device, two sets of bending mechanisms, a lifting mechanism and a discharging mechanism, wherein the position adjusting mechanism is arranged on the machine frame, the two sliding seats are oppositely arranged on the position adjusting mechanism, the compression positioning device is fixedly arranged on the machine frame and is positioned at the middle position of the two sliding seats, the compression positioning device comprises a positioning block and a compression assembly, the positioning block is provided with a positioning groove with an upward opening, the two ends of the positioning groove respectively penetrate through the two end faces of the positioning block, the compression assembly is arranged on the positioning block, the discharging device is arranged right above the compression positioning device, the two sets of bending mechanisms are respectively arranged on the two sliding seats, and the lifting mechanism is arranged on the machine frame and is positioned at the middle position of the two sliding seats and is opposite to the compression positioning device. The horizontal four-corner frame bending machine has the advantages of compact structure, convenient operation, lower labor intensity and higher production efficiency.
Description
Technical Field
The invention relates to the technical field of metal bending and forming, in particular to a horizontal type four-corner frame bending machine and a production method thereof.
Background
In the production of carts, it is necessary to make a metal square container for holding the items. The square container of metal includes square frame and welds the support net piece in square frame bottom. The square frame is formed by bending metal edge strips for four times. At present, most of the existing equipment for bending and forming metal strakes is semi-automatic or manual, and the operation needs multiple manual work and multiple work stations, so that the labor intensity of workers is high, and the production efficiency is seriously affected due to the large occupied area of the equipment and inconvenient operation.
Disclosure of Invention
In view of the above, the invention needs to provide a horizontal four-corner frame bending machine, which has the advantages of compact structure, convenient operation, lower labor intensity and higher production efficiency.
The technical scheme of the invention is as follows:
the invention provides a horizontal four-corner frame bending machine which is used for bending metal edge strips to form square frames and comprises a frame, a position adjusting mechanism, two sliding seats, a compressing and positioning device, a discharging device, two sets of bending mechanisms, a lifting mechanism and a discharging mechanism, wherein the position adjusting mechanism is arranged on the frame, the two sliding seats are oppositely arranged on the position adjusting mechanism so as to drive the two sliding seats to be close to or far away from each other, the two sliding seats are respectively stopped at a first bending position and a second bending position, the compressing and positioning device is fixedly arranged on the frame and is positioned at the middle position of the two sliding seats, the compressing and positioning device comprises a positioning block and a compressing assembly, the positioning block is provided with a positioning groove with an opening upwards, the two ends of the positioning groove respectively penetrate through the two end faces of the positioning block, the compressing assembly is arranged on the positioning block so as to compress the metal edge strips placed in the positioning groove, the discharging device is arranged right-angled above the compressing and positioning device, so that the two sets of bending mechanisms are respectively arranged on the two sliding seats to enable the metal edge strips compressed in the positioning groove to be respectively to stop at the first bending position and the second bending position, the compressing and the square frame is arranged on the opposite to the lifting mechanism, and the square frame is arranged at the lifting mechanism.
Further, the position adjusting mechanism comprises guide rails, a sliding plate, a supporting part, a first screw rod, a second screw rod, a first driving piece and a second driving piece, wherein the two guide rails are fixed on the frame in parallel, the supporting part is fixed on the frame and is positioned at the middle position of the two guide rails, one end of the first screw rod is rotationally connected to the supporting part, and the other end of the first screw rod is in transmission connection with an output shaft of the first driving piece arranged at one end of the frame; one end of the second screw rod is rotationally connected to the supporting part, the other end of the second screw rod is in transmission connection with an output shaft of a second driving piece arranged at the other end of the frame, the first screw rod and the second screw rod are arranged between the two guide rails in parallel, the two sliding plates are arranged on the two guide rails in a sliding mode and are respectively located on two sides of the supporting part, the bottoms of the two sliding plates are respectively in threaded connection with the first screw rod and the second screw rod through nut seats, the first screw rod is driven to rotate through the first driving piece, the second driving piece drives the second screw rod to rotate, and accordingly the two sliding plates are respectively driven to be relatively close to or far away along the directions of the two guide rails through the nut seats, and the two sliding seats are respectively fixed on the two sliding plates to drive the two sliding seats to be relatively close to or far away from.
Further, the compressing assembly comprises a positioning driving piece, a fixing block and a compressing block, wherein the positioning block is fixed at the middle position of the frame through the supporting part, a positioning groove is formed in one end of the positioning block, the fixing block is fixed on one side of the positioning groove, the positioning driving piece is fixed on the other end of the positioning block, the compressing block is fixed on the driving end of the positioning driving piece and is located on the opposite side of the fixing block, so that the compressing block is driven to be close to or far away from the fixing block, and therefore metal strakes located in the positioning groove are clamped.
Further, the discharging device comprises a portal frame, a guide mechanism, a discharging frame and a discharging driving piece, wherein the portal frame is arranged on the frame, the bottom end of the guide mechanism is fixed on the portal frame, the discharging frame is fixed on a sliding part of the guide mechanism, a discharging groove with an upward opening is arranged on the discharging frame for placing metal edge strips, and the discharging driving piece is fixed on the top end of the guide mechanism or the portal frame for driving the discharging frame to lift along the guide mechanism.
Further, the bending mechanism comprises a support, a supporting part, a rotating shaft, a swing arm, a bending part, a supporting and tightening driving piece and a bending driving mechanism, wherein the support is fixedly arranged on the sliding seat, the supporting part is fixed on the support, the bottom end of the rotating shaft is rotatably arranged on the sliding seat, and the top end of the rotating shaft is rotatably arranged on the supporting part; one end of the swing arm is fixed on the rotating shaft and positioned between the abutting part and the sliding seat, the bending part is arranged on the swing arm in a sliding way, a clamping space for the metal edge strip to pass through is formed between the bending part and the abutting part, and the abutting driving piece is arranged on the swing arm so as to drive the bending part to be close to the abutting part and clamp the metal edge strip or be far away from the abutting part and loosen the metal edge strip; the bending driving mechanism is arranged on the sliding seat to drive the rotating shaft to rotate positively and negatively, so that the swing arm swings back and forth by 90 degrees, and therefore the two ends of the metal edge strip clamped in the clamping space are bent by 90 degrees.
Further, the surface of the abutting part abutting against the bending part is an arc curved surface for abutting against the inner side of the metal edge strip, so that a round right-angle bending is formed.
Further, the upper surface of swing arm has seted up the spout, and the spout slides and is provided with the slide rail, and slide rail and portion fixed connection of bending have connecting portion, are equipped with the movable hole on the swing arm, and connecting portion stretches out downwards from the movable hole, and the tight driving piece of support is fixed in the swing arm lower surface, and the flexible end of tight driving piece of support is connected with the end of stretching out of connecting portion.
Further, the bending driving mechanism comprises a gear, a rack, a rolling shaft and a telescopic driving piece, wherein the gear is fixed on the rotating shaft and is positioned below the swinging arm, the rack is meshed with the gear, the rolling shaft is rotatably and vertically arranged on the sliding seat and is parallel to the rotating shaft, the rack is clamped between the rolling shaft and the gear, the telescopic driving piece is fixed on the sliding seat, and the telescopic end of the telescopic driving piece is connected with the rack.
Further, the lifting mechanism comprises a lifting driving piece and a lifting frame, the bottom end of the lifting driving piece is fixed on the frame and located in the middle of the two bending driving mechanisms, the top end of the lifting driving piece is provided with a lifting end, the lifting frame is fixed at the lifting end of the lifting driving piece and is used for lifting the square frame formed by bending by one section of height from the two bending driving mechanisms, and the square frame on the lifting frame is detached by the unloading mechanism.
The invention also provides a production method of the horizontal type four-corner frame bending machine, which comprises the following steps: the metal edge strip is placed on the discharging device, the discharging device bears the metal edge strip and placed in the positioning groove, the metal edge strip is pressed and positioned through the pressing component, the position adjusting mechanism drives the two sets of bending mechanisms to move to the first bending position and stop, the metal edge strip is bent into a U-shaped structure through the two sets of bending mechanisms, then the position adjusting mechanism drives the two sets of bending mechanisms to move to the second bending position and stop, the U-shaped structure is bent into a square frame through the two sets of bending mechanisms, the lifting mechanism stops after lifting the square frame to a certain height, and the discharging mechanism pushes the square frame to be dismounted.
The invention has the beneficial effects that:
according to the horizontal type four-corner frame bending machine, the two sliding seats are oppositely arranged on the position adjusting mechanism, and the bending mechanism on each sliding seat can fold the metal edge strips pressed in the positioning grooves for the first time and then fold the metal edge strips for the second time, so that the metal edge strips are bent into square frames. Compared with the prior art, the horizontal type four-corner frame bending machine adopting the structural design has the advantages of compact structure, convenience in operation, lower labor intensity and higher production efficiency.
The preferred embodiments of the present invention and their advantageous effects will be described in further detail with reference to specific embodiments.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate the invention and together with the description serve to explain the invention. In the drawings of which there are shown,
FIG. 1 is a schematic view of a first perspective view of a horizontal four-corner frame bending machine according to the present invention;
FIG. 2 is a schematic view of a second perspective view of the horizontal four-corner frame bending machine of the present invention;
FIG. 3 is a schematic diagram of a front view structure of a horizontal four-corner frame bending machine according to the present invention;
fig. 4 is a schematic perspective view of a bending mechanism of the horizontal four-corner frame bending machine;
fig. 5 is a schematic diagram of a front view of a bending mechanism of the horizontal four-corner frame bending machine.
Reference numerals illustrate: the device comprises a frame 1, a position adjusting mechanism 2, two sliding seats 3, a compressing and positioning device 4, a discharging device 5, two sets of bending mechanisms 6, a lifting mechanism 7, a discharging mechanism 8, a positioning block 41, a compressing assembly 42, a positioning groove 43, a guide rail 21, a sliding plate 22, a supporting part 23, a first screw 24, a second screw 25, a first driving piece 26, a second driving piece 27, a positioning block 41, a positioning driving piece 46, a fixed block 45, a compressing block 44, a portal frame 51, a guiding mechanism 52, a discharging frame 53, a discharging groove 531, a discharging driving piece 54, a guide rod 521, a guide sleeve 522, a top plate 523, a bracket 61, a supporting part 62, a rotating shaft 63, a swinging arm 64, a bending part 65, a supporting driving piece 66, a bending driving mechanism 67, a sliding groove 640, a sliding rail 68, a connecting part 69, a gear 671, a rack 672, a rolling shaft 673, a telescopic driving piece 674, a lifting driving piece 71, a lifting frame 72, a supporting plate 81, a discharging driving piece 82 and a push plate 83.
Detailed Description
The following describes specific embodiments of the present invention in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the invention, are not intended to limit the invention.
Referring to fig. 1 to 3, the present invention provides a horizontal four-corner frame bending machine for bending metal edge strips to form square frames. The horizontal four-corner frame bending machine comprises a frame 1, a position adjusting mechanism 2, two sliding seats 3, a compressing and positioning device 4, a discharging device 5, two sets of bending mechanisms 6, a lifting mechanism 7 and a discharging mechanism 8. The position adjusting mechanism 2 is arranged on the frame 1, and the two sliding seats 3 are oppositely arranged on the position adjusting mechanism 2, so that the position adjusting mechanism 2 drives the two sliding seats 3 to be close to or far away from each other, and the two sliding seats 3 respectively stop at a first bending position and a second bending position. The compressing and positioning device 4 is fixedly arranged on the frame 1 and positioned at the middle position of the two sliding seats 3, the compressing and positioning device 4 comprises a positioning block 41 and a compressing assembly 42, the positioning block 41 is provided with a positioning groove 43 with an upward opening, and two ends of the positioning groove 43 respectively penetrate through two end faces of the positioning block 41. The pressing assembly 42 is mounted on the positioning block 41 for pressing the metal edge strips placed in the positioning groove 43. The discharging device 5 is arranged right above the compacting and positioning device 4 for feeding one metal edge strip into the positioning groove 43 at a time. The two sets of bending mechanisms 6 are respectively arranged on the two sliding seats 3 to respectively fold the metal edge strips pressed in the positioning grooves 43 at right angles at the first bending position and the second bending position, so that the metal edge strips are bent into square frames. The lifting mechanism 7 is arranged on the frame 1 and is positioned in the middle of the two sliding seats 3 and opposite to the pressing and positioning device 4, and is used for lifting the square frame bent in the positioning groove 43 out for unloading the unloading mechanism 8 erected above the lifting mechanism 7.
According to the horizontal type four-corner frame bending machine, the two sliding seats 3 are oppositely arranged on the position adjusting mechanism 2, and the bending mechanism 6 on each sliding seat 3 can fold the metal edge strip pressed in the positioning groove 43 for the first time and then fold the metal edge strip for the second time, so that the metal edge strip is bent into a square frame. Compared with the prior art, the horizontal type four-corner frame bending machine adopting the structural design has the advantages of compact structure, convenience in operation, lower labor intensity and higher production efficiency.
The position adjustment mechanism 2 includes a guide rail 21, a slide plate 22, a support portion 23, a first screw 24, a second screw 25, a first driving piece 26, and a second driving piece 27. The two guide rails 21 are fixed on the frame 1 in parallel, the supporting part 23 is fixed on the frame 1 and is positioned at the middle position of the two guide rails 21, one end of the first screw rod 24 is rotationally connected to the supporting part 23, and the other end is in transmission connection with an output shaft of the first driving piece 26 arranged at one end of the frame 1; one end of the second screw rod 25 is rotatably connected to the supporting portion 23, the other end of the second screw rod is in transmission connection with an output shaft of the second driving member 27 mounted at the other end of the frame 1, and the first screw rod 24 and the second screw rod 25 are arranged in parallel between the two guide rails 21. The two sliding plates 22 are slidably disposed on the two guide rails 21 and are respectively located at two sides of the supporting portion 23, and bottoms of the two sliding plates 22 are respectively in threaded connection with the first screw rod 24 and the second screw rod 25 through nut seats. The first driving piece 26 drives the first screw rod 24 to rotate, and the second driving piece 27 drives the second screw rod 25 to rotate, so that the two sliding plates 22 are driven by the nut seat to relatively approach or separate along the directions of the two guide rails 21. The adoption of the structural design can accurately adjust the positions of the two sliding plates 22, is simple and convenient to realize, and is beneficial to improving the running stability of equipment. The first driving member 26 and the second driving member 27 are preferably driven by a motor.
The two sliding seats 3 are respectively fixed on the two sliding plates 22 to drive the two sliding seats 3 to be relatively close to or far away from each other.
The hold down assembly 42 includes a positioning drive 46, a fixed block 45, and a hold down block 44. The locating block 41 is fixed in the middle position of the frame 1 through the supporting part 23, a locating groove 43 is formed in one end of the locating block 41, a fixed block 45 is fixed on one side of the locating groove 43, a locating driving piece 46 is fixed on the other end of the locating block 41, and a compressing block 44 is fixed on the driving end of the locating driving piece 46 and is located on the opposite side of the fixed block 45 so as to drive the compressing block 44 to be close to or far away from the fixed block 45, and therefore metal strakes located in the locating groove 43 are clamped. In this embodiment, three pressing positioning devices 4 are disposed along the extending direction of the metal edge, and two other pressing positioning devices 4 are respectively fixed on two sliding seats 3, and one, two or more pressing positioning devices 4 may be disposed, which is not limited herein. The positioning driving member 46 is preferably driven by a hydraulic cylinder, or may be driven by a telescopic driving device such as an air cylinder or an electric cylinder.
The discharging device 5 includes a gantry 51, a guide mechanism 52, a discharging frame 53, and a discharging drive 54. The portal frame 51 is erected on the frame 1, the bottom end of the guide mechanism 52 is fixed on the portal frame 51, the discharging frame 53 is fixed on the sliding part of the guide mechanism 52, and the discharging frame 53 is provided with a discharging groove 531 with an upward opening for placing metal strakes. The discharging driving member 54 is fixed at the top end of the guiding mechanism 52, so as to drive the discharging frame 53 to lift along the guiding mechanism 52. In addition, the discharging driving member 54 may be fixed to the gantry 51 to drive the discharging frame 53 to lift along the guiding mechanism 52. Preferably, the discharging driving member 54 is a hydraulic cylinder, and a telescopic driving member such as an air cylinder or an electric cylinder can be also used. The guide mechanism 52 includes a guide rod 521, a guide sleeve 522, and a top plate 523. The bottom ends of the two guide rods 521 are fixed on the portal frame 51 in parallel, the top plate 523 is fixed on the top ends of the two guide rods 521, and a guide sleeve 522 is slidably arranged on each guide rod 521. The discharging frame 53 is fixed on the two guide sleeves 522. The discharging driving part 54 is fixed on the top plate 523, and the telescopic end of the discharging driving part 54 is connected with the discharging frame 53.
Referring to fig. 4 and 5, the bending mechanism 6 includes a bracket 61, a supporting portion 62, a rotating shaft 63, a swing arm 64, a bending portion 65, a supporting driving member 66, and a bending driving mechanism 67. The support 61 is fixedly mounted on the sliding seat 3, the abutting portion 62 is fixed on the support 61, the bottom end of the rotating shaft 63 is rotatably mounted on the sliding seat 3, and the top end thereof is rotatably mounted on the abutting portion 62. One end of the swing arm 64 is fixed to the rotating shaft 63 and located between the abutting portion 62 and the sliding seat 3. The bending portion 65 is slidably disposed on the swing arm 64, and a clamping space for the metal edge strip to pass through is formed between the bending portion 65 and the supporting portion 62. The abutting driving member 66 is mounted on the swing arm 64 to drive the bending portion 65 to close to the abutting portion 62 to clamp the metal edge strip or to separate from the abutting portion 62 to release the metal edge strip. The bending driving mechanism 67 is installed on the sliding seat 3 to drive the rotating shaft 63 to rotate positively and negatively, so that the swing arm 64 swings back and forth by 90 degrees, and therefore 90-degree bending is achieved on two ends of the metal edge strip clamped in the clamping space.
The surface of the abutting part 62 abutting against the bending part 65 is a circular arc curved surface for abutting against the inner side of the metal edge strip, so that a circular right angle bending is formed. In this embodiment, the supporting portion 62 is a cylindrical member for easy manufacture. Furthermore, the abutment 62 may be a semi-cylindrical part or a cylindrical part with a fan-shaped cross section. The abutting portion 62 may be a rectangular parallelepiped member, and may be bent at a right angle.
The upper surface of swing arm 64 has seted up spout 640, and spout 640 slides and is provided with slide rail 68, and slide rail 68 and bending portion 65 fixed connection, slide rail 68 lower surface have connecting portion 69, are equipped with the movable hole on the swing arm 64, and connecting portion 69 downwardly extend from the movable hole, and tight driving piece 66 is fixed in swing arm 64 lower surface, and the flexible end of tight driving piece 66 is connected with the end that stretches out of connecting portion 69. The bending part 65 is designed by adopting a sliding rail 68 arranged on the upper surface of the swing arm 64 and a structure design matched with the abutting driving piece 66 arranged on the lower surface of the swing arm 64, so that the sliding rail 68 and the abutting driving piece 66 which are used for realizing clamping action of the bending part 65 are easily integrated on the swing arm 64, the bending part 65 and the abutting part 62 are matched to clamp a metal edge strip and simultaneously drive the metal edge strip to bend at 90 degrees, the clamping action and the swinging bending action are not interfered with each other, the structure design is simple and compact, the assembly and the maintenance are easy, and the stability and the reliability of mechanical operation can be improved.
The bending part 65 is provided with a limiting plate for supporting the top of the metal edge strip in the swinging and bending process of the clamping metal edge strip, so that deformation in the bending process is avoided, and the processing quality is improved.
In this embodiment, the bending driving mechanism 67 includes a gear 671, a rack 672, a roller 673 and a telescopic driving member 674, the gear 671 is fixed on the rotating shaft 63 and is located below the swing arm 64, the rack 672 is meshed with the gear 671, the roller 673 is rotatably disposed on the sliding seat 3 and is parallel to the rotating shaft 63, the rack 672 is clamped between the roller 673 and the gear 671, and stable meshing of the rack 672 and the gear 671 can be ensured through the limiting function of the roller 673. The telescopic driving part 674 is fixed on the sliding seat 3, and the telescopic end of the telescopic driving part 674 is connected with the rack 672, so as to drive the rack 672 to horizontally move, and further drive the rotating shaft 63 to rotate through the gear 671. The expansion driving member 674 may be a hydraulic cylinder, an air cylinder, or an electric cylinder. The gear 671, the rack 672, the roller 673 and the telescopic driving piece 674 are adopted to drive the rotating shaft 63 to rotate reciprocally, and the device has the advantages of simple and compact structure, convenient disassembly and maintenance, quick action and stable operation. It will be appreciated that the bending drive mechanism 67 may also employ a rotary motor to reciprocate the drive shaft 63.
Referring to fig. 1 to 3, the lifting mechanism 7 includes a lifting driving member 71 and a lifting frame 72, wherein the bottom end of the lifting driving member 71 is fixed on the frame 1 and located at the middle position of the two bending driving mechanisms 67, the top end of the lifting driving member 71 has a lifting end, the lifting frame 72 is fixed at the lifting end of the lifting driving member 71, and the lifting frame 72 is used for lifting the square frame formed by bending from the two bending driving mechanisms 67 by a certain height so that the unloading mechanism 8 can unload the square frame on the lifting frame 72. The lifting drive 71 may be a hydraulic, pneumatic or electric cylinder. The lifting frame 72 is in a U-shaped structure, and two side extensions of the U-shaped structure are respectively positioned at two sides of the positioning block 41. The lifting device is compact in structure, reasonable in layout, convenient to assemble and easy to realize lifting action of the square frame.
The unloading mechanism 8 is arranged on the portal frame 51, and the unloading mechanism 8 comprises a supporting plate 81, an unloading driving piece 82 and an unloading pushing plate 83. The supporting plate 81 is horizontally fixed on the portal frame 51, the discharging driving member 82 is horizontally installed on the supporting plate 81, and the discharging pushing plate 83 is fixed on the driving end of the discharging driving member 82 to drive the discharging pushing plate 83 to horizontally reciprocate. When the lifting frame 72 stops after lifting the square frame by a certain height, the pushing end of the discharging push plate 83 is located in the square frame, the discharging push plate 83 horizontally moves under the driving action of the discharging driving piece 82 until the discharging push plate is in contact with the inner surface of the square frame, and the pushing end of the discharging push plate 83 is driven to be pulled out of the square frame, so that the discharging process is completed.
The invention provides a production method of the horizontal type four-corner frame bending machine, which comprises the following steps: the metal strakes are placed on the discharging device 5, the discharging device 5 bears the metal strakes and is placed in the positioning groove 43, the metal strakes are pressed and positioned through the pressing assembly 42, the position adjusting mechanism 2 drives the two sets of bending mechanisms 6 to move to a first bending position and stop, the metal strakes are bent into a U-shaped structure through the two sets of bending mechanisms 6, then the position adjusting mechanism 2 drives the two sets of bending mechanisms 6 to move to a second bending position and stop, and the U-shaped structure is bent into a square frame through the two sets of bending mechanisms 6. The lifting mechanism 7 lifts the square frame for a certain height and then stops, and the discharging mechanism 8 pushes the square frame to be discharged.
Any combination of the various embodiments of the invention should be considered as being within the scope of the present disclosure, as long as the inventive concept is not violated; within the scope of the technical idea of the invention, any combination of various simple modifications and different embodiments of the technical proposal without departing from the inventive idea of the invention should be within the scope of the invention.
Claims (6)
1. A horizontal four-corner frame bending machine is used for bending metal edge strips to form square frames and is characterized by comprising a frame (1), a position adjusting mechanism (2), two sliding seats (3), a compressing and positioning device (4), a discharging device (5), two sets of bending mechanisms (6), a lifting mechanism (7) and a discharging mechanism (8), wherein the position adjusting mechanism (2) is arranged on the frame (1), the two sliding seats (3) are oppositely arranged on the position adjusting mechanism (2) so as to drive the two sliding seats (3) to be close to or far away from each other, the two sliding seats (3) are respectively stopped at a first bending position and a second bending position, the compressing and positioning device (4) is fixedly arranged on the frame (1) and positioned at the middle position of the two sliding seats (3), the compressing and positioning device (4) comprises a positioning block (41) and a compressing component (42), the positioning block (41) is provided with a positioning groove (43) with an opening upwards, two ends of the positioning groove (43) respectively penetrate through two end surfaces of the positioning block (41), the compressing component (42) is arranged on the positioning block (41) so as to be placed in the metal edge strips (4) to be placed in the positioning groove (5) for compressing and positioning the metal edge strips (43) to be placed in each time, the two sets of bending mechanisms (6) are respectively arranged on the two sliding seats (3) so as to respectively fold the metal edge strips pressed in the positioning grooves (43) at right angles at a first bending position and a second bending position, thereby bending the metal edge strips into square frames, and the lifting mechanisms (7) are arranged on the frame (1) at the middle positions of the two sliding seats (3) and are opposite to the pressing positioning devices (4) and are used for lifting the square frames bent in the positioning grooves (43) out for unloading the unloading mechanisms (8) arranged above the lifting mechanisms (7);
the discharging device (5) comprises a portal frame (51), a guide mechanism (52), a discharging frame (53) and a discharging driving piece (54), wherein the portal frame (51) is erected on the frame (1), the bottom end of the guide mechanism (52) is fixed on the portal frame (51), the discharging frame (53) is fixed on the sliding part of the guide mechanism (52), a discharging groove (531) with an upward opening is formed in the discharging frame (53) for placing metal strips, and the discharging driving piece (54) is fixed on the top end of the guide mechanism (52) or the portal frame (51) for driving the discharging frame (53) to lift along the guide mechanism (52);
the bending mechanism (6) comprises a support (61), a supporting part (62), a rotating shaft (63), a swinging arm (64), a bending part (65), a supporting driving piece (66) and a bending driving mechanism (67), wherein the support (61) is fixedly arranged on the sliding seat (3), the supporting part (62) is fixed on the support (61), the bottom end of the rotating shaft (63) is rotatably arranged on the sliding seat (3), and the top end of the rotating shaft is rotatably arranged on the supporting part (62); one end of a swing arm (64) is fixed on a rotating shaft (63) and is positioned between a supporting part (62) and a sliding seat (3), a bending part (65) is arranged on the swing arm (64) in a sliding manner, a clamping space for a metal edge to pass through is formed between the bending part (65) and the supporting part (62), and a supporting driving piece (66) is arranged on the swing arm (64) so as to drive the bending part (65) to be close to the supporting part (62) to clamp the metal edge or to be far away from the supporting part (62) to release the metal edge; the bending driving mechanism (67) is arranged on the sliding seat (3) to drive the rotating shaft (63) to rotate positively and negatively, so that the swing arm (64) swings back and forth for 90 degrees, and therefore the two ends of the metal edge strip clamped in the clamping space are bent for 90 degrees;
the surface of the abutting part (62) abutting against the bending part (65) is an arc curved surface for abutting against the inner side of the metal edge strip, so that a round right-angle bending is formed;
a sliding groove (640) is formed in the upper surface of the swing arm (64), a sliding rail (68) is arranged on the sliding groove (640) in a sliding mode, the sliding rail (68) is fixedly connected with the bending portion (65), a connecting portion (69) is arranged on the lower surface of the sliding rail (68), a movable hole is formed in the swing arm (64), the connecting portion (69) extends downwards from the movable hole, a supporting driving piece (66) is fixed to the lower surface of the swing arm (64), and a telescopic end of the supporting driving piece (66) is connected with the extending end of the connecting portion (69).
2. The horizontal four-corner frame bending machine according to claim 1, wherein the position adjusting mechanism (2) comprises a guide rail (21), a sliding plate (22), a supporting part (23), a first screw rod (24), a second screw rod (25), a first driving piece (26) and a second driving piece (27), the two guide rails (21) are fixed on the frame (1) in parallel, the supporting part (23) is fixed on the frame (1) and is positioned at the middle position of the two guide rails (21), one end of the first screw rod (24) is rotatably connected on the supporting part (23), and the other end of the first screw rod is in transmission connection with an output shaft of the first driving piece (26) arranged at one end of the frame (1); one end of a second screw rod (25) is rotationally connected to the supporting part (23), the other end of the second screw rod is in transmission connection with an output shaft of a second driving piece (27) arranged at the other end of the frame (1), the first screw rod (24) and the second screw rod (25) are arranged between two guide rails (21) in parallel, two sliding plates (22) are arranged on the two guide rails (21) in a sliding mode and are respectively located on two sides of the supporting part (23), the bottoms of the two sliding plates (22) are respectively in threaded connection with the first screw rod (24) and the second screw rod (25) through nut seats, the first screw rod (24) is driven to rotate through a first driving piece (26), the second driving piece (27) is used for driving the second screw rod (25) to rotate, and accordingly the two sliding plates (22) are respectively driven to be relatively close to or far away along the directions of the two guide rails (21) through nut seats, and the two sliding seats (3) are respectively fixed on the two sliding plates (22) to drive the two sliding seats to be relatively close to or far away.
3. The horizontal type four-corner frame bending machine according to claim 1, wherein the compressing assembly (42) comprises a positioning driving piece (46), a fixing block (45) and a compressing block (44), the positioning block (41) is fixed at the middle position of the frame (1) through the supporting part (23), a positioning groove (43) is formed in one end of the positioning block (41), the fixing block (45) is fixed on one side of the positioning groove (43), the positioning driving piece (46) is fixed on the other end of the positioning block (41), and the compressing block (44) is fixed on the driving end of the positioning driving piece (46) and is located on the opposite side of the fixing block (45) so as to drive the compressing block (44) to be close to or far away from the fixing block (45), and accordingly metal strips located in the positioning groove (43) are clamped.
4. The horizontal four-corner frame bending machine according to claim 1, wherein the bending driving mechanism (67) comprises a gear (671), a rack (672), a roller (673) and a telescopic driving member (674), the gear (671) is fixed on the rotating shaft (63) and is located below the swing arm (64), the rack (672) is meshed with the gear (671), the roller (673) is rotatably arranged on the sliding seat (3) in a standing manner and is parallel to the rotating shaft (63), the rack (672) is clamped between the roller (673) and the gear (671), the telescopic driving member (674) is fixed on the sliding seat (3), and a telescopic end of the telescopic driving member (674) is connected with the rack (672).
5. The horizontal four-corner frame bending machine according to claim 1, wherein the lifting mechanism (7) comprises a lifting driving piece (71) and a lifting frame (72), the bottom end of the lifting driving piece (71) is fixed on the frame (1) and is located in the middle of two bending driving mechanisms (67), the top end of the lifting driving piece (71) is provided with a lifting end, the lifting frame (72) is fixed on the lifting end of the lifting driving piece (71), and the lifting frame (72) is used for lifting a square frame formed by bending from the two bending driving mechanisms (67) by one height so that the unloading mechanism (8) can unload the square frame on the lifting frame (72).
6. A method of producing a horizontal four-corner frame bender according to any one of claims 1-5, comprising the steps of: the metal strakes are placed on the discharging device (5), the discharging device (5) bears the metal strakes and is placed in the positioning groove (43), the metal strakes are pressed and positioned through the pressing component (42), the position adjusting mechanism (2) drives the two sets of bending mechanisms (6) to move to a first bending position and stop, the metal strakes are bent to form a U-shaped structure through the two sets of bending mechanisms (6), then the position adjusting mechanism (2) drives the two sets of bending mechanisms (6) to move to a second bending position and stop, the U-shaped structure is bent to form a square frame through the two sets of bending mechanisms (6), the lifting mechanism (7) stops after lifting one section of the square frame to a height, and the discharging mechanism (8) pushes the square frame to be detached.
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| CN202111018324.4A CN113714349B (en) | 2021-09-01 | 2021-09-01 | Horizontal type four-corner frame bending machine and production method thereof |
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| CN202111018324.4A CN113714349B (en) | 2021-09-01 | 2021-09-01 | Horizontal type four-corner frame bending machine and production method thereof |
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| CN113714349B true CN113714349B (en) | 2023-08-29 |
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| CN114713684B (en) * | 2022-03-21 | 2023-04-11 | 江西中一建工集团有限公司 | Screw-thread steel multi-angle bender |
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