Bending device for floor stand production and machining

Abstract

The invention relates to the technical field of floor stand production, and discloses a floor stand production, processing and bending device which adopts a double-tooth-groove staggered bending angle adjusting driving structure, is simple in structure and reliable in work, and has a larger angle adjusting range and higher adjusting precision compared with a traditional single-wheel adjusting structure. The coaxial characteristic of the two sets of bending driving pressing wheels is utilized, transmission input on the bending driving motor side and transmission output on the two sets of bending driving pressing wheel sides are achieved through three sets of pressing wheel driving toothed belts connected with a transmission shaft sleeve, and rotation driving force transmission of the bending driving pressing wheels in different included angle states can be achieved; compared with a traditional gear and chain wheel transmission structure, the pipe feeding device is smaller in working structure size and better in working stability, a pressure-adjustable working installation structure is adopted for the movable guide wheel, the pressing force of the movable guide wheel can be flexibly adjusted by adjusting the screw pitch, and the pipe feeding device can meet the feeding working requirements of pipes of different specifications.

Description

Technical Field

[0001] The invention relates to the technical field of floor stand production, and in particular to a floor stand production and processing bending device. Background Art

[0002] With the rapid development of aircraft technology, aircraft are increasingly used in aerial photography, mapping, rescue and other fields. As an important component of aircraft, the landing bracket can provide stable auxiliary support for the aircraft during takeoff and landing. In terms of structure, the landing bracket mostly adopts a metal tube structure, which is formed by bending at a fixed angle and welding. Its manufacturing accuracy and quality are directly related to the overall performance and safety of the aircraft.

[0003] Bending is a key process link in the production process of aircraft landing brackets. During the bending process, the bending and forming of the metal tube body is completed by the pressure of the bending wheel body. In order to achieve the bending angle of the tube and the directional guiding during the bending process, corresponding pressure wheel displacement drive and guide wheel rotation drive structures need to be set in the bending device. The existing bending devices mostly use gear or sprocket type working transmission structure. The transmission structure is huge in size and complex in structure, which greatly increases the structural volume of the device. In addition, the complex transmission structure will reduce the working reliability of the equipment and increase the difficulty of equipment maintenance. Therefore, a bending device for the production and processing of landing brackets is proposed. Summary of the invention

[0004] The purpose of the present invention is to provide a floor stand production and processing bending device to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a floor stand production and processing bending device, comprising a frame mechanism, a bending mechanism and a feeding mechanism; The frame mechanism is used for the working support of the equipment, and the frame mechanism includes a supporting frame, a protection box seat and a processing plate seat, and the protection box seat and the processing plate seat are both installed on the upper part of the supporting frame; The bending mechanism is installed in the middle of the processing plate seat for bending processing of the material tube, and the bending mechanism includes a driving cylinder, a guide frame seat, a double-tooth driving seat, an inner shaft column, an outer cylinder seat, a pressure wheel mounting arm, a self-rotating guide wheel, a bending driving pressure wheel and a bending angle driving assembly. The double-tooth driving seat is movably mounted inside the guide frame seat under the drive of the driving cylinder, and the outer cylinder seat is coaxially rotatably mounted on the outside of the inner shaft column. The rear parts of the inner shaft column and the outer cylinder seat are both equipped with driving gears that are meshed and driven with the inner tooth grooves of the double-tooth driving seat. The self-rotating guide wheel is rotatably mounted on the front end of the inner shaft column. Two groups of the bending driving pressure wheels are respectively mounted on the inner shaft column and the upper part of the outer cylinder seat through the pressure wheel mounting arms, and the bending angle driving assembly is used for the flipping adjustment drive of the two groups of bending driving pressure wheels; The feeding mechanism is used for feeding and conveying pipe materials, and includes a feeding guide wheel, a movable guide wheel, a feeding drive motor, a guide slider, a spring and an adjusting bolt. The feeding guide wheel is rotatably installed on the front part of the processing plate seat under the drive of the feeding drive motor, and the movable guide wheel is movably installed above the feeding guide wheel through the guide slider. The spring is installed on the upper part of the guide slider under the push of the adjusting bolt.

[0006] Preferably, the processing plate seat is fixedly mounted to the plate seat side of the upper part of the supporting frame by bolts, the protection box seat is fixedly mounted to the rear part of the processing plate seat by bolts, an operation panel is arranged on the side of the protection box seat, the inner shaft column is fixedly mounted on the inside of the protection box seat, and the outer cylinder seat is coaxially mounted on the outside of the inner shaft column.

[0007] Preferably, the guide frame seat is fixedly installed inside the protective box seat through a bracket, and guide cams are provided on both upper and lower sides of the middle part of the guide frame seat, and guide rail grooves are provided on the upper and lower outer sides of the double-tooth drive seat. After installation, the guide cams are slidably engaged with the guide rail grooves, and the drive cylinder body is fixedly installed on the end side of the guide frame seat by bolts, and the push rod end of the drive cylinder body is fixedly connected to the end side of the double-tooth drive seat.

[0008] Preferably, the upper and lower sides of the double-tooth drive seat are fixedly provided with drive gear seats in a front-to-back staggered pattern, and the two groups of drive gears are coaxially fixedly installed on the rear end shaft sides of the inner shaft column and the outer cylinder seat respectively, and the two groups of double-tooth drive seats are respectively meshed and connected with the two groups of drive gears through tooth grooves.

[0009] Preferably, the two groups of the above-mentioned pressure wheel mounting arms are respectively fixedly mounted on the front end shaft sides of the inner shaft column and the outer cylinder seat, and the ends of the two groups of pressure wheel mounting arms are rotatably mounted with pressure wheel driving shafts. The front part of the processing plate seat is penetrated by a pressure wheel guide groove, and the front part of the pressure wheel driving shaft is movably penetrated and installed on the inner side of the pressure wheel guide groove, and the bending drive pressure wheel is fixedly mounted on the front end of the pressure wheel driving shaft.

[0010] Preferably, the above-mentioned bending angle drive assembly includes a bending drive motor, a transmission sleeve and a pressure wheel drive toothed belt, the transmission sleeve is rotatably installed on the upper part of the outer cylinder seat, and the bending drive motor is installed in cooperation with the bending drive pressure wheel through the transmission sleeve and the pressure wheel drive toothed belt.

[0011] Preferably, the transmission sleeve is coaxially rotatably mounted on the upper part of the outer cylinder seat, the bending drive motor is fixedly mounted on the lower part of the guide frame seat through a bracket, and transmission pulleys are installed on the ends of the driving shaft of the bending drive motor and the pressure wheel driving shaft, the bending drive motor is connected to the transmission tooth groove on the upper part of the transmission sleeve through the pressure wheel driving tooth belt, and the pressure wheel driving shaft is connected to the transmission tooth groove on the upper part of the transmission sleeve through the pressure wheel driving tooth belt.

[0012] Preferably, the above-mentioned feeding guide wheels and movable guide wheels are provided in plurality, the feeding guide wheels are rotatably installed on the front side of the processing plate seat through a rotating shaft, the rear rotating shaft ends of the feeding guide wheels are installed with transmission pulleys, and the upper parts of the two adjacent groups of transmission pulleys are installed with feeding drive toothed belts, the feeding drive motor is fixedly installed on the rear part of the processing plate seat through a bracket, and the feeding drive motor is installed through the feeding drive toothed belt and the rotating shaft end of the feeding guide wheel on one side for transmission.

[0013] Preferably, the movable guide wheel is rotatably mounted on the front of the guide slider via a rotating shaft, a slider mounting groove is vertically opened on the upper front side of the processing plate seat, and the guide slider is slidably mounted on the inner side of the slider mounting groove.

[0014] Preferably, a slot seal seat is fixedly installed on the upper opening side of the slider mounting slot by bolts, the end of the adjusting bolt column is threadedly connected to the screw hole in the middle of the slot seal seat, the end of the adjusting bolt column passes through the slot seal seat, the end of the adjusting bolt column is fixedly rotatably installed with a connecting disk seat, the spring is fixedly installed on the lower part of the connecting disk seat, and the lower end of the spring is installed in contact with the upper part of the guide slider.

[0015] Compared with the prior art, the present invention adopts the above technical solution and has the following technical effects: 1. This bending device adopts a double-tooth-slot staggered bending angle adjustment drive structure, and utilizes the meshing transmission between the driving gear and the double-tooth driving seat to realize the rotation adjustment transmission of the inner shaft column and the outer cylinder seat. Under the drive of the driving cylinder, the two sets of driving gears can be driven to rotate in opposite and synchronous manner through the staggered driving tooth seats on the inner side of the double-tooth driving seat. The working angles of the two sets of bending drive pressing wheels can be quickly and accurately adjusted through the driving of the pressing wheel mounting arm. The driving structure is simple, reliable and compact. Compared with the traditional single-wheel adjustment structure, it has a larger angle adjustment range and higher adjustment accuracy.

[0016] 2. A coaxial rotation drive structure is adopted for the bending drive pressure wheel, and the transmission shaft sleeve arranged on the upper part of the outer cylinder seat is used as a power relay transmission structure. The coaxial characteristics of the two sets of bending drive pressure wheels are utilized, and the transmission input on the bending drive motor side and the transmission output on the two sets of bending drive pressure wheels are realized through three sets of pressure wheel driving toothed belts connected to the transmission shaft sleeve. The transmission is coordinated with the transmission shaft sleeve and the pressure wheel driving toothed belt to realize the rotational driving force transmission of the bending drive pressure wheel in different angle states. The structure is simple and the layout is compact. Compared with the traditional gear and sprocket transmission structure, it has a smaller working structure volume and better working stability.

[0017] 3. A pair of wheel-type auxiliary feeding structure is adopted, and a pressure-adjustable working installation structure is adopted for the movable guide wheel. The movable guide wheel is installed vertically through a guide slider, and a spring and an adjusting bolt are arranged on the upper part of the guide slider. The clamping force of the movable guide wheel can be flexibly adjusted through pitch adjustment, so that the device can meet the feeding work requirements of pipes of different specifications, and the stable clamping and conveying of the pipe can be achieved through floating clamping, which is conducive to improving the working reliability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a schematic diagram of the overall front three-dimensional structure of the present invention; Figure 2 It is a schematic diagram of the overall rear three-dimensional structure of the present invention; Figure 3 It is a schematic diagram of the driving structure of the bending mechanism of the present invention; Figure 4 It is a schematic diagram of the driving installation structure of the double-tooth drive seat and the guide frame seat of the present invention; Figure 5 It is a schematic diagram of the installation structure of the inner shaft column and the outer cylinder seat of the present invention; Figure 6 It is a schematic diagram of the driving installation structure of the bending driving pressure wheel of the present invention; Figure 7 It is a schematic diagram of the movable guide wheel installation structure of the present invention; Figure 8 It is a schematic diagram of the rear structure of the processing plate seat of the present invention.

[0020] Explanation of the accompanying drawings: 1. Support frame; 2. Protection box seat; 3. Processing plate seat; 4. Driving cylinder body; 5. Guide frame seat; 6. Double-tooth drive seat; 7. Inner shaft column; 8. Outer cylinder seat; 9. Pressure wheel mounting arm; 10. Self-rotating guide wheel; 11. Bending drive pressure wheel; 12. Driving gear; 13. Driving gear seat; 14. Bending drive motor; 15. Transmission sleeve; 16. Pressure wheel drive toothed belt; 17. Transmission pulley; 18. Pressure wheel guide groove; 19. Feeding guide wheel; 20. Movable guide wheel; 21. Feeding drive motor; 22. Guide slider; 23. Spring; 24. Adjustment bolt column; 25. Slider mounting groove; 26. Notch sealing seat; 27. Feeding drive toothed belt; 28. Operation panel. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the effects and purposes that can be achieved by this application.

[0023] Example See also Figure 1-8 The present invention provides a technical solution: a floor stand production and processing bending device, including a frame mechanism, a bending mechanism and a feeding mechanism, specifically: The frame mechanism is used for the working support of the equipment, and the frame mechanism includes a supporting frame 1, a protective box seat 2 and a processing plate seat 3, as shown in the attached Figure 1 As shown, the support frame 1 is an integrated stainless steel pipe bracket, the protection box seat 2 and the processing plate seat 3 are both installed on the upper part of the support frame 1, and the processing plate seat 3 is fixedly installed with the plate seat side of the upper part of the support frame 1 by bolts as a processing surface protection structure of the equipment, and the protection box seat 2 is the external shell protection structure of the equipment. The protection box seat 2 is fixedly installed on the rear part of the processing plate seat 3 by bolts, which can shield and protect the working parts in the equipment. In order to facilitate the working operation of the equipment, as shown in the attached Figure 2 As shown, an operation panel 28 is arranged on the side of the protection box seat 2.

[0024] The bending mechanism is installed in the middle of the processing plate seat 3 for bending processing of the material tube. The bending mechanism includes a driving cylinder 4, a guide frame seat 5, a double-tooth driving seat 6, an inner shaft column 7, an outer cylinder seat 8, a pressure wheel mounting arm 9, a self-rotating guide wheel 10, a bending drive pressure wheel 11 and a bending angle driving assembly. The inner shaft column 7 is a solid shaft, and the inner shaft column 7 is fixedly rotatably installed inside the protective box seat 2 as a working rotating support structure of the bending mechanism. The outer cylinder seat 8 is coaxially rotatably sleeved on the outside of the inner shaft column 7 and forms a coaxial double-axis driving structure with the inner shaft column 7. In order to realize the working drive of the inner shaft column 7 and the outer cylinder seat 8, as shown in the attached Figure 4As shown, the guide frame seat 5 is fixedly installed inside the protection box seat 2 through a bracket. In order to guide the sliding of the double-tooth drive seat 6, guide convex rails are provided on the upper and lower sides of the middle part of the guide frame seat 5, and guide rail grooves are provided on the upper and lower outer sides of the double-tooth drive seat 6. After installation, the guide convex rails are slidably engaged with the guide rail grooves to increase the sliding stability of the double-tooth drive seat 6. The driving cylinder body 4 is a servo electric cylinder with good working stability and driving accuracy. The driving cylinder body 4 is fixedly installed on the end side of the guide frame seat 5 by bolts, and the push rod end of the driving cylinder body 4 is fixedly connected to the end side of the double-tooth drive seat 6. The double-tooth drive seat 6 is movably installed inside the guide frame seat 5 under the drive of the driving cylinder body 4, serving as a working driving structure for the inner shaft column 7 and the outer cylinder seat 8.

[0025] In order to realize action drive, as shown in the attached Figure 5 As shown, a driving gear 12 meshing with the inner tooth groove of the double-tooth drive seat 6 is installed at the rear of the inner shaft column 7 and the outer cylinder seat 8. The two sets of driving gears 12 are coaxially fixedly installed on the rear end shaft side of the inner shaft column 7 and the outer cylinder seat 8. In order to realize bidirectional synchronous drive, a driving gear seat 13 is fixedly arranged on the upper and lower sides of the double-tooth drive seat 6 in a front-to-back staggered shape. The two sets of double-tooth drive seats 6 are respectively meshed with the two sets of driving gears 12 through the tooth grooves. The double-tooth staggered bending angle adjustment drive structure is used to utilize the driving gear 1 2 and the double-tooth drive seat 6 realize the rotation adjustment transmission of the inner shaft column 7 and the outer cylinder seat 8. Under the drive of the driving cylinder 4, the two sets of driving gears 12 can be rotated in the opposite and synchronous manner through the driving tooth seats 13 staggeredly distributed on the inner side of the double-tooth drive seat 6. The driving of the pressure wheel mounting arm 9 can realize the rapid and accurate adjustment of the working angles of the two sets of bending driving pressure wheels 11. The driving structure is simple, reliable and compact. Compared with the traditional single-wheel adjustment structure, it has a larger angle adjustment range and higher adjustment accuracy.

[0026] In order to provide installation support for the bending drive pressure wheel 11, as shown in the attached Figure 3 As shown, two groups of pressing wheel mounting arms 9 are respectively fixedly mounted on the front end shaft sides of the inner shaft column 7 and the outer cylinder seat 8, and two groups of bending driving pressing wheels 11 are respectively mounted on the inner shaft column 7 and the upper part of the outer cylinder seat 8 through the pressing wheel mounting arms 9. Specifically, in order to facilitate the driving connection of the bending driving pressing wheel 11, a pressing wheel driving shaft is rotatably mounted at the ends of the two groups of pressing wheel mounting arms 9. The bending driving pressing wheel 11 is fixedly mounted on the front end of the pressing wheel driving shaft as a bending pressure guiding structure of the material tube. In order to facilitate the flipping adjustment of the bending driving pressing wheel 11, as shown in the attached Figure 2As shown, a pressure wheel guide groove 18 is provided through the front of the processing plate seat 3, and the pressure wheel guide groove 18 is an arc-shaped through groove. The front part of the pressure wheel driving shaft is movably installed through the inner side of the pressure wheel guide groove 18, and the self-rotating guide wheel 10 is a supporting and pressure-guiding structure for the pipe material. The self-rotating guide wheel 10 is rotatably installed on the front end of the inner shaft column 7, and can provide pressure support for the lower bending side of the material pipe during bending processing.

[0027] The bending angle drive assembly is used for turning and adjusting the two sets of bending drive pressure wheels 11. The bending angle drive assembly includes a bending drive motor 14, a transmission shaft sleeve 15 and a pressure wheel drive toothed belt 16. Figure 3 As shown, the transmission sleeve 15 is a sleeve-type bearing sleeve, and the transmission sleeve 15 is coaxially rotatably mounted on the upper part of the outer sleeve seat 8. Figure 6 As shown, three groups of transmission teeth are equidistantly arranged on the upper part of the transmission sleeve 15, the bending drive motor 14 is a servo motor, and the bending drive motor 14 is fixedly installed on the lower part of the guide frame seat 5 through a bracket. In order to realize the transmission connection, a transmission pulley 17 is installed at the end of the driving shaft of the bending drive motor 14 and the pressure wheel driving shaft. The bending drive motor 14 is connected to the transmission teeth on the upper part of the transmission sleeve 15 through the pressure wheel driving toothed belt 16, and the pressure wheel driving shaft is connected to the transmission teeth on the upper part of the transmission sleeve 15 through the pressure wheel driving toothed belt 16. The bending drive pressure wheel 11 adopts a coaxial rotation drive structure. The transmission sleeve 15 arranged on the upper part of the outer cylinder seat 8 serves as a power relay transmission structure. By utilizing the coaxial characteristics of the two groups of bending drive pressure wheels 11, the transmission input on the bending drive motor 14 side and the transmission output on the two groups of bending drive pressure wheels 11 sides are realized through three groups of pressure wheel driving toothed belts 16 connected to the transmission sleeve 15. The transmission is coordinated with the transmission sleeve 15 and the pressure wheel driving toothed belt 16 to realize the rotational driving force transmission of the bending drive pressure wheel 11 in different angle states. The structure is simple and the layout is compact. Compared with the traditional gear and sprocket transmission structure, it has a smaller working structure volume and better working stability.

[0028] The feeding mechanism is used for feeding and conveying pipe materials. The feeding mechanism includes a feeding guide wheel 19, a movable guide wheel 20, a feeding drive motor 21, a guide slider 22, a spring 23 and an adjusting bolt 24. Figure 7 As shown, two feed guide wheels 19 and two movable guide wheels 20 are provided. The feed guide wheel 19 is driven by the feed drive motor 21 to rotate and be installed on the front of the processing plate seat 3, serving as a supply and conveying drive structure for the pipe material. Specifically, as shown in the attached Figure 8As shown, the feed guide wheel 19 is installed on the front side of the processing plate seat 3 through a rotating shaft. In order to realize working transmission, a transmission pulley 17 is installed on the rear rotating shaft end of the feed guide wheel 19. A feed drive toothed belt 27 is installed on the upper part of the two adjacent groups of drive pulleys 17. The feed drive motor 21 is fixedly installed on the rear part of the processing plate seat 3 through a bracket. The feed drive motor 21 is installed through the feed drive toothed belt 27 and the rotating shaft end of the feed guide wheel 19 on one side to realize synchronous working drive of the two groups of feed guide wheels 19.

[0029] The movable guide wheel 20 is movably mounted above the feeding guide wheel 19 through the guide slider 22. Figure 7 As shown, the movable guide wheel 20 is rotatably installed on the front part of the guide slider 22 through the rotating shaft, which serves as a conveying and clamping structure for the material pipe. In order to facilitate the connection and installation of the guide slider 22, a slider installation groove 25 is vertically opened on the upper front side of the processing plate seat 3. The guide slider 22 is slidably fitted on the inner side of the slider installation groove 25, so that the movable guide wheel 20 can be adjusted in the vertical sliding direction. A notch sealing seat 26 is fixedly installed on the upper opening side of the slider installation groove 25 by bolts. The end of the adjusting bolt 24 is threadedly connected to the screw hole in the middle of the notch sealing seat 26. The end of the adjusting bolt 24 passes through the notch sealing seat 26. In order to facilitate the connection and installation of the spring 23, The end of the adjusting bolt 24 is rotatably installed with a connecting disc seat, and the spring 23 is fixedly installed at the lower part of the connecting disc seat. The lower end of the spring 23 is installed in contact with the upper part of the guide slider 22. The spring 23 is installed in contact with the upper part of the guide slider 22 under the push of the adjusting bolt 24. A pressure-adjustable working installation structure is adopted for the movable guide wheel 20. The movable guide wheel 20 is vertically movably installed through the guide slider 22. The clamping force of the movable guide wheel 20 can be flexibly adjusted by adjusting the pitch, so that the device can meet the feeding work requirements of pipes of different specifications, and the stable clamping and conveying of the pipes can be achieved through floating clamping, which is beneficial to improving the working reliability of the equipment.

[0030] Working principle or structural principle, when working, the pitch of the upper adjustment bolt 24 of the movable guide wheel 20 is screwed and adjusted according to the size specifications of the processed pipe material, so that the movable guide wheel 20 has a suitable conveying and clamping force, and the initial working position of the bending drive pressure wheel 11 is debugged and calibrated to complete the debugging work of the equipment. During processing, the material pipe is clamped and positioned by the cooperation of the feeding guide wheel 19 and the movable guide wheel 20, and then the feeding is driven by the feeding drive toothed belt 27 under the drive of the feeding drive motor 21. The guide wheel 19 rotates to transport the pipe material forward. When the bent end of the pipe material enters between the bent driving pressure wheel 11 and the self-rotating guide wheel 10, the driving cylinder 4 works to drive the double-tooth driving seat 6 to move horizontally. The driving gear seats 13 staggered on the upper and lower sides of the double-tooth driving seat 6 drive the two sets of driving gears 12 to rotate in opposite directions and synchronously. Driven by the two sets of driving gears 12, the inner shaft column 7 and the outer cylinder seat 8 respectively drive the bent driving pressure wheels 11 on the upper parts of the two sets of pressure wheel mounting arms 9 to rotate. The pipe material is pressed and limited by synchronous flipping in opposite directions, and then the bending drive motor 14 works, and the transmission sleeve 15 is driven to rotate by the pressure wheel driving toothed belt 16. When the transmission sleeve 15 rotates, the two sets of bending drive pressure wheels 11 are driven to rotate synchronously by the transmission of the two sets of pressure wheel driving toothed belts 16, and the pipe material is driven to move to the bending position by the bending drive pressure wheels 11. The bending angle of the pipe material is controlled by the flipping angle of the two sets of bending drive pressure wheels 11. The driving of the pressure wheel mounting arm 9 can realize the rapid and accurate adjustment of the working angle of the two sets of bending drive pressure wheels 11. The driving structure is simple, reliable and compact in layout. Compared with the traditional single-wheel adjustment structure, it has a larger angle adjustment range and higher adjustment accuracy. In addition, the transmission sleeve 15 and the pressure wheel driving toothed belt 16 are cooperated to transmit, so as to realize the transmission of the rotation driving force of the bending drive pressure wheel 11 in different angle states. The bending processing of the pipe material is completed by the opposite clamping and pressing guidance of the two sets of bending drive pressure wheels 11 and the pressure guidance of the self-rotating guide wheel 10.

[0031] In summary, the bending device adopts a double-tooth-slot staggered bending angle adjustment drive structure, and utilizes the meshing transmission between the driving gear 12 and the double-tooth driving seat 6 to realize the rotation adjustment transmission of the inner shaft column 7 and the outer cylinder seat 8. Under the drive of the driving cylinder 4, the two sets of driving gears 12 can be rotated in the opposite and synchronous manner through the driving tooth seat 13 staggeredly distributed on the inner side of the double-tooth driving seat 6. The working angles of the two sets of bending driving pressure wheels 11 can be quickly and accurately adjusted through the drive of the pressure wheel mounting arm 9. The driving structure is simple, reliable and compact in layout. Compared with the traditional single-wheel adjustment structure, it has a larger angle adjustment range and higher adjustment accuracy. A coaxial rotation drive structure is adopted for the bending driving pressure wheel 11, and the transmission shaft sleeve 15 arranged on the upper part of the outer cylinder seat 8 is used as a power relay transmission structure. The coaxial characteristics of the two sets of bending driving pressure wheels 11 are utilized, and three sets of pressure wheel drive toothed belts 16 connected to the transmission shaft sleeve 15 are used. , realizing the transmission input on the bending drive motor 14 side and the transmission output on the two sets of bending drive pressure wheels 11 sides, and the transmission sleeve 15 and the pressure wheel driving toothed belt 16 cooperate to transmit the rotational driving force of the bending drive pressure wheel 11 in different angle states. The structure is simple and the layout is compact. Compared with the traditional gear and sprocket transmission structure, it has a smaller working structure volume and better working stability. It adopts a wheel-type auxiliary feeding structure, and adopts a pressure-adjustable working installation structure for the movable guide wheel 20. The guide slider 22 is vertically movably installed through the guide slider 22, and a spring 23 and an adjusting bolt 24 are arranged on the upper part of the guide slider 22. The clamping force of the movable guide wheel 20 can be flexibly adjusted by adjusting the pitch, so that the device can meet the feeding work requirements of pipes of different specifications, and the stable clamping and conveying of the pipe can be realized through floating clamping, which is beneficial to improving the working reliability of the equipment.

[0032] It will be appreciated by those skilled in the art that the features described in the various embodiments and / or claims of the present invention may be combined and / or combined in various ways, even if such combinations and / or combinations are not explicitly described in the present invention. In particular, the features described in the various embodiments and / or claims of the present invention may be combined and / or combined in various ways without departing from the spirit and teachings of the present invention. All of these combinations and / or combinations fall within the scope of the present invention.

Claims

1. A floor stand production and processing bending device, comprising a frame mechanism, a bending mechanism and a feeding mechanism, characterized in that: The frame mechanism is used for supporting the working of the equipment, and comprises a supporting frame (1), a protection box seat (2) and a processing plate seat (3), wherein the protection box seat (2) and the processing plate seat (3) are both mounted on the upper part of the supporting frame (1); The bending mechanism is installed in the middle of the processing plate seat (3) for bending the material tube. The bending mechanism comprises a driving cylinder (4), a guide frame seat (5), a double-tooth driving seat (6), an inner shaft column (7), an outer cylinder seat (8), a pressure wheel mounting arm (9), a self-rotating guide wheel (10), a bending driving pressure wheel (11) and a bending angle driving assembly. The double-tooth driving seat (6) is movably installed inside the guide frame seat (5) under the drive of the driving cylinder (4). The outer cylinder seat (8) rotates coaxially with the driving cylinder (4). Installed on the outside of the inner shaft column (7), the rear parts of the inner shaft column (7) and the outer cylinder seat (8) are both installed with a driving gear (12) meshing with the inner tooth groove of the double-tooth drive seat (6), the self-rotating guide wheel (10) is rotatably installed on the front end of the inner shaft column (7), and the two groups of bending drive pressure wheels (11) are respectively installed on the inner shaft column (7) and the upper part of the outer cylinder seat (8) through the pressure wheel installation arm (9), and the bending angle drive assembly is used for the flip adjustment drive of the two groups of bending drive pressure wheels (11); The feeding mechanism is used for feeding and conveying pipe materials, and comprises a feeding guide wheel (19), a movable guide wheel (20), a feeding drive motor (21), a guide slider (22), a spring (23) and an adjusting bolt (24). The feeding guide wheel (19) is rotatably mounted on the front of the processing plate seat (3) under the drive of the feeding drive motor (21), the movable guide wheel (20) is movably mounted above the feeding guide wheel (19) through the guide slider (22), and the spring (23) is installed on the upper part of the guide slider (22) under the push of the adjusting bolt (24).

2. The floor stand production and processing bending device according to claim 1 is characterized by: The processing plate seat (3) is fixedly mounted on the plate seat side of the upper part of the support frame (1) by means of bolts, the protection box seat (2) is fixedly mounted on the rear part of the processing plate seat (3) by means of bolts, an operation panel (28) is arranged on the side of the protection box seat (2), the inner shaft column (7) is fixedly mounted on the inside of the protection box seat (2) for rotation, and the outer cylinder seat (8) is coaxially mounted on the outside of the inner shaft column (7) for rotation.

3. The floor stand production and processing bending device according to claim 2 is characterized in that: The guide frame seat (5) is fixedly installed inside the protection box seat (2) through a bracket, and guide convex rails are provided on both upper and lower sides of the middle part of the guide frame seat (5), and guide rail grooves are provided on the upper and lower outer sides of the double-tooth drive seat (6). After installation, the guide convex rails are slidably engaged with the guide rail grooves, and the drive cylinder body (4) is fixedly installed on the end side of the guide frame seat (5) by bolts, and the push rod end of the drive cylinder body (4) is fixedly connected to the end side of the double-tooth drive seat (6).

4. The floor stand production and processing bending device according to claim 3 is characterized by: The double-tooth drive seat (6) is provided with drive gear seats (13) fixedly arranged on the upper and lower sides in a front-to-back staggered manner. The two sets of drive gears (12) are coaxially fixedly mounted on the rear end shaft sides of the inner shaft column (7) and the outer cylinder seat (8), respectively. The two sets of double-tooth drive seats (6) are meshedly connected with the two sets of drive gears (12) via tooth grooves.

5. The floor stand production and processing bending device according to claim 4 is characterized by: The two groups of pressure wheel mounting arms (9) are respectively fixedly mounted on the front end shaft sides of the inner shaft column (7) and the outer cylinder seat (8); the ends of the two groups of pressure wheel mounting arms (9) are rotatably mounted with pressure wheel driving shafts; the front part of the processing plate seat (3) is penetrated by a pressure wheel guide groove (18); the front part of the pressure wheel driving shaft is movably penetrated and mounted on the inner side of the pressure wheel guide groove (18); the bending drive pressure wheel (11) is fixedly mounted on the front end of the pressure wheel driving shaft.

6. The floor stand production and processing bending device according to claim 5, characterized in that: The bending angle drive assembly comprises a bending drive motor (14), a transmission shaft sleeve (15) and a pressure wheel drive toothed belt (16); the transmission shaft sleeve (15) is rotatably mounted on the upper part of the outer cylinder seat (8); the bending drive motor (14) is transmission-mounted with the bending drive pressure wheel (11) through the cooperation of the transmission shaft sleeve (15) and the pressure wheel drive toothed belt (16).

7. The floor stand production and processing bending device according to claim 6, characterized in that: The transmission shaft sleeve (15) is coaxially rotatably mounted on the upper part of the outer cylinder seat (8); the bending drive motor (14) is fixedly mounted on the lower part of the guide frame seat (5) via a bracket; the drive shaft of the bending drive motor (14) and the end of the pressure wheel drive shaft are both equipped with a transmission pulley (17); the bending drive motor (14) is connected to the transmission tooth groove on the upper part of the transmission shaft sleeve (15) via a pressure wheel drive toothed belt (16); the pressure wheel drive shaft is connected to the transmission tooth groove on the upper part of the transmission shaft sleeve (15) via a pressure wheel drive toothed belt (16).

8. The floor stand production and processing bending device according to claim 1, characterized in that: A plurality of the feed guide wheels (19) and the movable guide wheels (20) are provided. The feed guide wheels (19) are rotatably mounted on the front side of the processing plate seat (3) via a rotating shaft. A transmission pulley (17) is mounted on the rear rotating shaft end of the feed guide wheels (19). A feed drive toothed belt (27) is mounted on the upper part of two adjacent sets of drive belt wheels (17). The feed drive motor (21) is fixedly mounted on the rear part of the processing plate seat (3) via a bracket. The feed drive motor (21) is driven and mounted on the rotating shaft end of one side of the feed guide wheel (19) via the feed drive toothed belt (27).

9. The floor stand production and processing bending device according to claim 8, characterized in that: The movable guide wheel (20) is rotatably mounted on the front of the guide slider (22) via a rotating shaft, and a slider mounting groove (25) is vertically opened on the upper front side of the processing plate seat (3), and the guide slider (22) is slidably mounted on the inner side of the slider mounting groove (25).

10. The floor stand production and processing bending device according to claim 9, characterized in that: A slot sealing seat (26) is fixedly mounted on the upper opening side of the slider mounting groove (25) by means of bolts, an end of the adjusting bolt column (24) is threadedly connected to a screw hole in the middle of the slot sealing seat (26), an end of the adjusting bolt column (24) passes through the slot sealing seat (26), a connecting disc seat is fixedly mounted on the end of the adjusting bolt column (24) for rotation around a fixed axis, the spring (23) is fixedly mounted on the lower part of the connecting disc seat, and a lower end of the spring (23) is mounted in contact with an upper part of the guide slider (22).

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