A forming machine with a dual-channel forming roll composite adjustment device

Abstract

The present invention relates to a forming machine with a dual-channel forming roll composite adjustment device, belonging to the technical field of metallurgical equipment, and includes an upper roll and a lower roll respectively located on the upper and lower sides of the steel-walking line; the upper roll includes an upper transmission shaft supported at both ends on an upper support seat and two groups of upper forming sleeves sleeved on the upper transmission shaft; the lower roll includes a lower transmission shaft supported at both ends on a lower support seat and two groups of lower forming sleeves sleeved on the lower transmission shaft, and the two groups of lower forming sleeves and the two groups of upper forming sleeves form two sets of forming pass profiles; a moving nut sleeve with an external spiral groove in the circumferential direction and a gear with an internal spiral groove in the center form a lead screw-nut pair to drive the outer moving shaft sleeve to move to adjust the positions of the two outer forming sleeves, and a lead screw-nut transmission mechanism with double nuts and double helix directions is arranged on the outer moving bearing seat connected to the outer moving shaft sleeve to drive the inner moving bearing seat to move to adjust the positions of the inner forming sleeves, reducing the length of the transmission shaft, lowering the manufacturing difficulty and cost, and having a simple structure.

Description

Technical Field

[0001] The present invention belongs to the technical field of metallurgical equipment and relates to a forming machine with a dual-channel forming roll composite adjustment device. Background Art

[0002] At present, the position pressure adjustment equipment for the forming rolls in the cold forming single-stream production of structural steel is relatively simple. It can only be adjusted manually or mechanically, without intelligent adjustment, resulting in poor product quality, low production efficiency and low benefits. Hot bending forming is that after hot rolling a strip with a width of 800 - 5000 mm, it is longitudinally cut and directly roll-bent using the waste heat after rolling to produce high-strength heavy structural steel. In the prior art, in order to enable the same device to produce structural steel of different specifications or shapes, it is necessary to adjust and support the position of the forming sleeve of the forming machine. However, in the prior art, whether it is a cold bending forming or a hot bending forming device, the position of the forming sleeve on the machine is not easy to adjust. For a dual-channel roll forming machine, the adjustment difficulty is even greater, or the structure is relatively complex, and the downtime for replacing the forming sleeve is long, resulting in an increase in production costs. Summary of the Invention

[0003] In view of this, the purpose of the present invention is to provide a forming machine with a dual-channel forming roll composite adjustment device to solve the problem that the position of the forming sleeve of the roll forming machine is not easy to adjust.

[0004] To achieve the above object, the present invention provides the following technical solutions:

[0005] A forming machine with a dual-channel forming roll composite adjustment device, comprising an upper roll and a lower roll respectively located on the upper and lower sides of the steel wire; the upper roll includes an upper transmission shaft supported at both ends on an upper support seat and two groups of upper forming sleeves sleeved on the upper transmission shaft; the lower roll includes a lower transmission shaft supported at both ends on a lower support seat and two groups of lower forming sleeves sleeved on the lower transmission shaft, and the two groups of lower forming sleeves and the two groups of upper forming sleeves form two sets of forming hole patterns; the upper support seat and the lower support seat are arranged on the frame, and the upper support seat and / or the lower support seat are connected with a lifting device to enable them to lift relative to the frame; both the upper support seat and the lower support seat are provided with forming sleeve axial adjustment devices to adjust the axial positions of the upper forming sleeves or the lower forming sleeves. The forming sleeve axial adjustment device includes an outer moving shaft sleeve located outside the two groups of forming sleeves and two inner moving shaft sleeves located between the two groups of forming sleeves. The outer moving shaft sleeve and the inner moving shaft sleeve are sleeved on the transmission shaft and fixedly connected to the adjacent forming sleeves, and the forming sleeves can axially move along the keys arranged on the transmission shaft; the outer moving shaft sleeve is connected with an outer moving shaft sleeve axial driving mechanism to drive it to axially move along the transmission shaft. The outer moving shaft sleeve axial driving mechanism includes a moving screw sleeve arranged at the end of the outer moving shaft sleeve far from the forming sleeve. There is a bearing between the moving screw sleeve and the outer moving shaft sleeve. The circumferential direction of the moving screw sleeve has an outer spiral groove to form a lead screw-nut pair with a gear sleeved on it and having an inner spiral groove. The gear meshes with a gear transmission mechanism installed on the corresponding support seat; one end of the outer moving shaft sleeve close to the forming sleeve is connected with an outer moving bearing seat rotatably connected to it, and the outer moving bearing seat is slidably connected to the corresponding support seat; the inner moving shaft sleeve is connected with an inner moving shaft sleeve axial driving mechanism to drive it to axially move along the transmission shaft. The inner moving shaft sleeve axial driving mechanism includes an inner moving bearing seat rotatably connected to the inner moving shaft sleeve, and the inner moving bearing seat is slidably connected to the corresponding support seat; the two inner moving bearing seats are respectively connected with the two nuts of a lead screw-nut transmission mechanism with double nuts and double helix directions. The lead screw of the lead screw-nut transmission mechanism is supported at both ends on the two outer moving bearing seats and is arranged parallel to the transmission shaft.

[0006] Optionally, the outer moving shaft sleeve is connected with at least two groups of outer moving shaft sleeve axial driving mechanisms.

[0007] Optionally, the inner moving shaft sleeve is connected with at least two groups of inner moving shaft sleeve axial driving mechanisms.

[0008] Optionally, one end or both ends of the lead screw of the lead screw-nut transmission mechanism are provided with a rotary driver for driving its rotation.

[0009] Optionally, the lead screw of the lead screw-nut transmission mechanism is a lead screw with a double helix direction or is formed by connecting two single helix lead screws with opposite helix directions, and the single helix lead screws are detachably connected between them.

[0010] Optionally, the lead screw of the lead screw-nut transmission mechanism includes two single-lead screws with opposite helix directions, which are axially slidably connected to each other, and each of the two single-lead screws is provided with a set of rotary drivers.

[0011] Optionally, the outer moving bushing axial driving mechanisms respectively connected to the two transmission shafts are symmetric about the center of the formed hole profile, and the inner moving bushing axial driving mechanisms respectively connected to the two transmission shafts are symmetric about the center of the formed hole profile.

[0012] Optionally, bearings are provided between the outer moving bearing seat and the outer moving bushing, and between the inner moving bearing seat and the inner moving bushing; the outer moving bearing seat and the inner moving bearing seat are restricted from circumferential rotation by two guide rods supported at both ends on the corresponding support seats and arranged parallel to the transmission shaft.

[0013] Optionally, it further includes a forming sleeve support device, which includes at least one lifting shaft arranged perpendicular to the upper transmission shaft or the lower transmission shaft. The lifting shaft is slidably connected to the frame. A driving device is provided at one end of the lifting shaft away from the upper transmission shaft or the lower transmission shaft to drive it to move along its axial direction, and the other end acts on the corresponding moving bearing seat or the corresponding forming sleeve.

[0014] Optionally, the lifting device is a hydraulic cylinder or a jack, which is located at both ends of the upper roller or the lower roller, is installed on the frame, and the output end is connected to the corresponding upper support seat or lower support seat to enable the upper support seat or the lower support seat to lift along the vertical guide groove provided on the frame.

[0015] The beneficial effects of the present invention are as follows:

[0016] 1. By forming a lead screw-nut pair with a moving nut having an outer helical groove in the circumferential direction and a gear having an inner helical groove in the center to drive the outer moving bushing to move to adjust the positions of the two outer forming sleeves, and arranging a lead screw-nut transmission mechanism with double nuts and double helix directions on the outer moving bearing seat to drive the inner moving bearing seat to move to adjust the position of the inner forming sleeve, the length of the transmission shaft is reduced, the manufacturing difficulty and cost are lowered, and the structure is simple and the stability is high.

[0017] 2. By arranging the moving bearing seat on the side of the forming sleeve to act on the nut of the lead screw-nut transmission mechanism, not only the axial position adjustment of the forming sleeve is realized, but also the support of the transmission shaft is increased, which is beneficial to controlling the deformation of the transmission shaft.

[0018] 3. By providing the forming sleeve support device, not only the fine adjustment of the distance between the transmission shafts can be realized, but also the support rigidity is increased, which is convenient for improving the quality of the formed steel.

[0019] Other advantages, objects, and features of the present invention will be set forth in part in the description which follows and, in part, will be obvious to those having ordinary skill in the art upon examination of the following or may be learned from the practice of the present invention. The objects and other advantages of the present invention may be realized and obtained by the means of the instrumentalities and combinations particularly pointed out hereinafter. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to make the objects, technical solutions, and advantages of the present invention more clear, the present invention will be described in detail below with reference to the accompanying drawings, where:

[0021] Figure 1 is a schematic structural view of a molding machine with a dual-channel forming roll composite adjustment device according to the present invention; Figure 1 ;

[0022] Figure 2 is Figure 1 a right view of;

[0023] Figure 3 is Figure 1 a P-P cross-sectional view of;

[0024] Figure 4 is a schematic structural view of a molding machine with a dual-channel forming roll composite adjustment device according to the present invention; Figure 2 ;

[0025] Figure 5 is a schematic structural view of an intermediate roll sleeve support device;

[0026] Figure 6 is one of the schematic views of the molding position;

[0027] Figure 7 is another schematic view of the molding position;

[0028] Figure 8 is yet another schematic view of the molding position;

[0029] Figure 9 is a fourth schematic view of the molding position.

[0030] Reference numerals: drive shaft assembly 10, rotary drive 11, gear 12, moving nut 13, third bearing 14, outer moving shaft sleeve 15, outer moving bearing seat 16, frame bearing seat 17, first bearing 18, drive shaft 19, screw drive device 20, rotary motor 21, coupling 22, second bearing 23, nut 24, screw 25, inner moving bearing seat 26, inner moving shaft sleeve 27, forming sleeve 28, guide rod 29, frame 30, lifting device 40, support device 50, drive device 51, lifting shaft 52, support block 53, support roll 54, guide key 55, drive shaft axial positioning device 60, vertical roll assembly 70, transmission device 80. Detailed implementation manners

[0031] The following specific examples illustrate the implementation manners of the present invention. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation manners. Various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the drawings provided in the following examples only illustrate the basic concept of the present invention in a schematic manner. Without conflict, the following examples and the features in the examples can be combined with each other.

[0032] Among them, the drawings are only for illustrative purposes, showing only schematic diagrams, not physical diagrams, and should not be construed as a limitation on the present invention; in order to better illustrate the embodiments of the present invention, some components in the drawings will be omitted, enlarged or reduced, which does not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.

[0033] In the drawings of the embodiments of the present invention, the same or similar reference numerals correspond to the same or similar components; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "front", "rear", etc. indicating the orientation or positional relationship, they are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the positional relationship in the drawings are only for illustrative purposes and should not be construed as a limitation on the present invention. For those of ordinary skill in the art, the specific meanings of the above terms can be understood according to specific circumstances.

[0034] Please refer to Figures 1 to 9, A forming machine with a dual-channel forming roll compound adjustment device, including an upper roll and a lower roll respectively located on the upper and lower sides of the steel wire; the upper roll includes an upper transmission shaft supported at both ends on an upper support seat and two groups of upper forming sleeves sleeved on the upper transmission shaft; the lower roll includes a lower transmission shaft supported at both ends on a lower support seat and two groups of lower forming sleeves sleeved on the lower transmission shaft, and the two groups of lower forming sleeves and the two groups of upper forming sleeves form two sets of forming hole patterns; the upper support seat and the lower support seat are arranged on the frame 30, and the upper support seat and / or the lower support seat are connected with a lifting device 40 to enable them to lift relative to the frame 30; both the upper support seat and the lower support seat are provided with forming sleeve axial adjustment devices to adjust the axial positions of the upper forming sleeves or the lower forming sleeves. The forming sleeve axial adjustment device includes an outer moving shaft sleeve 15 located outside the two groups of forming sleeves 28 and two inner moving shaft sleeves 27 located in the middle of the two groups of forming sleeves 28. The outer moving shaft sleeve 15 and the inner moving shaft sleeves 27 are sleeved on the transmission shaft 19 and fixedly connected to the adjacent forming sleeves 28, and the forming sleeves 28 can axially move along the key arranged on the transmission shaft 19; the outer moving shaft sleeve 15 is connected with an outer moving shaft sleeve axial driving mechanism to drive it to axially move along the transmission shaft 19. The outer moving shaft sleeve axial driving mechanism includes a moving screw sleeve 13 arranged at one end of the outer moving shaft sleeve 15 away from the forming sleeve 28. There is a bearing between the moving screw sleeve 13 and the outer moving shaft sleeve 15. The circumferential direction of the moving screw sleeve 13 has an outer spiral groove to form a screw-nut pair with the gear 12 sleeved on it and having an inner spiral groove. The gear 12 meshes with the driving gear 12 arranged on the output shaft of the rotary driver 11, and the rotary driver 11 is installed on the corresponding support seat; one end of the outer moving shaft sleeve 15 close to the forming sleeve 28 is connected with a bearing, and the bearing is installed in the outer moving bearing seat 16, and the outer moving bearing seat 16 is slidably connected to the corresponding support seat; the inner moving shaft sleeve 27 is connected with an inner moving shaft sleeve axial driving mechanism to drive it to axially move along the transmission shaft 19. The inner moving shaft sleeve axial driving mechanism includes a bearing connected to the inner moving shaft sleeve 27, and the bearing is installed in the inner moving bearing seat 26, and the inner moving bearing seat 26 is slidably connected to the corresponding support seat; the two inner moving bearing seats 26 are respectively connected with the two nuts of the screw-nut transmission mechanism with double nuts and double helix directions. The screw 25 of the screw-nut transmission mechanism is supported at both ends on the two outer moving bearing seats 16 and is arranged parallel to the transmission shaft 19.

[0035] In the present invention, by setting the moving screw sleeve 13 with an outer spiral groove in the circumferential direction and the gear 12 with an inner spiral groove in the center to form a screw-nut pair to drive the outer moving shaft sleeve 15 to move to adjust the positions of the two outer forming sleeves 28, and arranging a screw-nut transmission mechanism with double nuts and double helix directions on the outer moving bearing seat 16 to drive the inner moving bearing seat 26 to move to adjust the positions of the inner forming sleeves 28, the length of the transmission shaft 19 is reduced, the manufacturing difficulty and cost are lowered, and the structure is simple and the stability is high.

[0036] Optionally, the outer moving bushing 15 is connected with at least two sets of outer moving bushing axial driving mechanisms; the inner moving bushing 27 is connected with at least two sets of inner moving bushing axial driving mechanisms; one end or both ends of the lead screw 25 of the lead screw nut transmission mechanism are provided with a rotary driver 11 for driving its rotation; the lead screw 25 of the lead screw nut transmission mechanism can be a lead screw with double helix directions, or can be composed of two single helix lead screws with opposite helix directions connected together; each of the two single helix lead screws can adopt a set of rotary driver 11. At this time, the two single helix lead screws are axially slidably connected, or the two single helix lead screws can be detachably and fixedly connected together and share a set of rotary driver 11, that is, the left and right single helix lead screws can be driven and adjusted separately or synchronously, so as to enhance the adaptability and flexibility of the forming sleeve axial adjustment device and facilitate the selection of different adjustment methods according to the required thrust size for the axial adjustment of the forming sleeve; the outer moving bushing axial driving mechanisms respectively connected to the two transmission shafts 19 are symmetric about the center of the forming hole type, and the inner moving bushing axial driving mechanisms respectively connected to the two transmission shafts 19 are symmetric about the center of the forming hole type; the lifting device 40 is a hydraulic cylinder or a jack, located at both ends of the upper roller or the lower roller, installed on the frame 30, and the output end is connected to the corresponding upper support seat or lower support seat, so that the upper support seat or the lower support seat can lift along the vertical guiding groove provided on the frame 30; the outer moving bearing seat 16 and the inner moving bearing seat 26 are restricted from circumferential rotation by two guiding rods 29 supported at both ends on the corresponding support seats and arranged parallel to the transmission shaft 19.

[0037] The present invention is further provided with a forming sleeve supporting device 50. The forming sleeve supporting device 50 includes at least one lifting shaft 52 arranged perpendicular to the upper transmission shaft or the lower transmission shaft. The lifting shaft 52 is slidably connected to the frame 30. One end of the lifting shaft 52 far from the upper transmission shaft or the lower transmission shaft is provided with a driving device 51 for driving it to move along its axial direction, and the other end acts on the corresponding moving bearing seat or the corresponding forming sleeve 28. The driving device 51 can be a linear hydraulic cylinder or a lead screw nut 24 transmission mechanism driven by a motor, and is connected to the control system of the forming machine to realize the intelligent adjustment of the pressure of the transmission shaft 19. The lifting shaft 52 can act on the corresponding forming sleeve 28 through a double-roller support. The double-roller support is arranged at one end of the lifting shaft 52 close to the upper transmission shaft or the lower transmission shaft, and includes a first connecting shaft arranged in a T shape with the lifting shaft 52. Both ends of the first connecting shaft are sleeved with roller sleeves rotatably connected thereto. The lifting shaft 52 can also act on the corresponding forming sleeve 28 through a single-roller support. The single-roller support is arranged at one end of the lifting shaft 52 close to the upper transmission shaft or the lower transmission shaft, and includes a connecting block fixed at the end of the lifting shaft 52 and having a concave groove on the side far from the lifting shaft 52. A second connecting shaft arranged perpendicular to the lifting shaft 52 and a roller sleeve sleeved on the second connecting shaft and rotatably connected thereto are arranged in the concave groove of the connecting block; the roller sleeve can be a flat roller sleeve or a concave roller sleeve, and the roller sleeve is rotatably connected to the connecting shaft through a bearing.

[0038] By providing the forming sleeve support device 50, the present invention can not only finely adjust the distance between the transmission shafts 19, but also increase the support rigidity, facilitating the improvement of the quality of the formed steel.

[0039] Embodiment

[0040] A forming machine with a dual-channel forming roll composite adjustment device, as Figures 1 to 9 shown, where B1 is the center distance (adjustable variation) between the upper and lower transmission shafts, and mainly includes a transmission shaft assembly 10, a lead screw transmission device 20, a frame 30, a lifting device 40, a forming sleeve support device 50, a vertical roll assembly 60, a sliding guide rod assembly 70, a transmission device 80, a vertical roll integrated assembly 90, and an off-machine roll change device 100. The specific structure is as follows:

[0041] Transmission shaft assembly 10: It includes connecting parts such as a rotary drive 11, a gear 12, a moving nut sleeve 13, a third bearing 14, an outer moving shaft sleeve 15, an outer moving bearing seat 16, a frame bearing seat 17, a first bearing 18, and a transmission shaft 19; the rotary drive 11 can be a motor reducer; the transmission shaft assembly 10 is symmetrically arranged up and down; both ends of the transmission shaft 19 are supported on the frame bearing seat 17 through the first bearing 18, the outer moving shaft sleeve 15 is sleeved on the transmission shaft 19 and fixedly connected to the adjacent forming sleeve 28, the moving nut sleeve 13 is sleeved on the outer moving shaft sleeve 15 and the two are rotatably connected through the third bearing 14, the gear 12 has an inner spiral groove to form a lead screw nut pair with the outer spiral groove of the moving nut sleeve 13, the gear 12 meshes with the driving gear installed on the output shaft of the rotary drive 11, and the rotary drive 11 is installed on the upper support seat; one end of the outer moving shaft sleeve 15 close to the forming sleeve 18 is connected with a moving bearing, and the moving bearing is installed in the outer moving bearing seat 16, and the outer moving bearing seat 16 is slidably connected to the corresponding support seat.

[0042] Lead screw transmission device 20: It includes connecting parts such as a rotary motor 21, a coupling 22, a second bearing 23, left / right nuts 24, left / right lead screws 25, an inner moving bearing seat 26, an inner moving shaft sleeve 27, a forming sleeve 28, and a guide rod 29; the inner moving bearing seat 26, the inner moving shaft sleeve 27, and the forming sleeve 28 are axially slidably connected to the transmission shaft 19 and the guide rod 29; the lead screw transmission device is symmetrically arranged left and right and up and down; the left and right lead screws are axially slidably and rotatably connected, or axially slidably and rotatably slidably connected; both ends of the guide rod 29 are positioned and connected to the frame bearing seat 17; the middle part of the guide rod 29 is axially slidably connected to the moving bearing seat. Both ends of the lead screw 25 are supported on the outer moving bearing seat 16 through the second bearing 23, one end or both ends of the lead screw 25 are provided with a rotary motor 21 and the two are connected through the coupling 22; the two nuts 24 are respectively fixedly connected to the two inner moving bearing seats 26, the inner moving bearing seats 26 are slidably connected to the corresponding support seats, and bearings connected to the inner moving shaft sleeve 27 are installed in the inner moving bearing seats 26.

[0043] The present invention may also not be equipped with the lead screw drive device 20 and related components, and is used to form a single-channel forming machine for producing large-sized section steels.

[0044] Frame 30: It includes a left frame (which can be integral or assembled), a right frame (which can be integral or assembled), upper crossbeam, lower crossbeam and other connecting components, serving as the installation foundation.

[0045] Lifting device 40: It can be a hydraulic cylinder or a jack, driving the upper and lower transmission shafts to move up and down to adjust the vertical position, which is used to conveniently adjust the vertical position of the upper and lower transmission shafts.

[0046] Forming sleeve support device 50: It includes connecting components such as a driving device 51, a lifting shaft 52, a support block 53, a support roller 54, a guiding key 55, etc.; the lifting shaft 52 is slidably connected to the guiding key 55 and the upper and lower crossbeams of the frame; the forming sleeve support devices 50 on the upper and lower sides can select different support positions and structures, and are preferably arranged symmetrically up and down. The driving device 51 can be an oil cylinder or a jack 51, the support block 53 can be a support bearing seat or a support roller, the support roller can be a single roller or a double roller, and the support roller is preferably rotatably connected through a bearing. The forming sleeve support device 50 can not only finely adjust the distance between the transmission shafts, but also be used to support the forming sleeve to improve the radial rigidity of the transmission shafts.

[0047] Axial positioning device 60 of the transmission shaft: When replacing the transmission shaft assembly 10, it opens or locks the position of the transmission shaft, so that the replacement device can push and pull the upper and lower transmission shafts in and out of the frame to achieve replacement.

[0048] Vertical roll assembly 70: It includes connecting components such as a vertical roll sleeve, a bearing, a shaft, etc., and the vertical roll is assembled when needed to assist in forming the section steel. One end of the vertical roll shaft is fixedly connected to the movable bearing seat, and the other end is slidably connected to the movable bearing seat.

[0049] Transmission shaft driving device 80: It is located on the left side (transmission side) of the frame and includes a motor, a reducer, a coupling, etc.; it is used to rotate the upper and lower transmission shafts to roll and form the section steel.

[0050] Multiple double-channel forming roll composite adjustment devices (5 to 20 frames, not limited to this) can form a compact continuous forming unit to implement multi-pass rolling, and further enable the same unit to produce various structural steels with closed or open cross-sections.

[0051] The present invention can improve the accuracy of the forming sleeve position adjustment by setting high-precision linear displacement sensors on the outer moving bearing seat 16, the inner moving bearing seat 26, and the lifting shaft 52 to measure the linear displacement and connecting the linear displacement sensors to the control system of the forming machine. It can also set high-precision rotational displacement sensors on the drive, and calculate the linear displacement of the output end from the number of rotation cycles measured by the rotational displacement sensors. When adjusting the axial position of the forming sleeve in the present invention, the two outer forming sleeves are adjusted first, and then the two inner forming sleeves are adjusted.

[0052] The present invention drives the outer moving shaft sleeve 15 and the outer moving bearing seat 16 to move by setting a rotational drive 11, a moving screw sleeve 13, and a third bearing 14 on the frame bearing seat 17 to adjust the positions of the two outer forming sleeves; then assembles a motor-driven lead screw 25 on the outer moving bearing seat 16 to drive the inner moving bearing seat 26 to move to adjust the positions of the inner forming sleeves, that is, to adjust the axial position of the profiled steel forming channel, reducing the length of the transmission shaft; uses hot-rolled high-temperature and high-strength strip steel (thickness 5 - 40 mm, width 1000 - 5000 mm, not limited to this), and directly forms profiled steels of different specifications through splitting and direct waste heat; sets lifting drives on the upper and lower sides of the windows on both sides of the frame 30, and sets a supporting device for supporting the forming sleeve 28 in the middle of the transmission shaft 19 to realize the control of the relative displacement in the radial direction of the transmission shaft, and then complete the adjustment of the profiled steel channel pass, reduce the downtime for replacing the forming rolls, and enable the same device to produce structural steels of different specifications. The present invention reduces the length of the transmission shaft, reduces the manufacturing difficulty and cost, and has a simple structure and high stability.

[0053] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the purpose and scope of the present technical solution, and they should all be covered within the scope of the claims of the present invention.

Claims

1. A forming machine with a dual-channel forming roll composite adjustment device, comprising an upper roll and a lower roll respectively located on the upper and lower sides of the steel wire running path; the upper roll includes an upper transmission shaft supported at both ends on an upper support seat and two groups of upper forming sleeves sleeved on the upper transmission shaft; the lower roll includes a lower transmission shaft supported at both ends on a lower support seat and two groups of lower forming sleeves sleeved on the lower transmission shaft, and the two groups of lower forming sleeves and the two groups of upper forming sleeves form two sets of forming hole patterns; the upper support seat and the lower support seat are arranged on the frame, and the upper support seat and / or the lower support seat is connected with a lifting device to enable it to lift relative to the frame; it is characterized in that: Axial adjustment devices for the forming sleeves are provided on both the upper support base and the lower support base to adjust the axial positions of the upper forming sleeve or the lower forming sleeve. The axial adjustment device for the forming sleeve includes an outer moving sleeve located outside the two sets of forming sleeves and two inner moving sleeves located between the two sets of forming sleeves. The outer moving sleeve and the inner moving sleeves are sleeved on the transmission shaft and fixedly connected to the adjacent forming sleeves. The forming sleeves can axially move along the keys provided on the transmission shaft. The outer moving sleeve is connected with an outer moving sleeve axial driving mechanism to drive it to axially move along the transmission shaft. The outer moving sleeve axial driving mechanism includes a moving screw sleeve provided at one end of the outer moving sleeve away from the forming sleeve. There is a bearing between the moving screw sleeve and the outer moving sleeve. The circumferential direction of the moving screw sleeve has an outer spiral groove to form a screw-nut pair with a gear sleeved on it and having an inner spiral groove. The gear meshes with a gear transmission mechanism installed on the corresponding support base. One end of the outer moving sleeve close to the forming sleeve is connected with an outer moving bearing seat rotatably connected to it. The outer moving bearing seat is slidably connected to the corresponding support base. The inner moving sleeve is connected with an inner moving sleeve axial driving mechanism to drive it to axially move along the transmission shaft. The inner moving sleeve axial driving mechanism includes an inner moving bearing seat rotatably connected to the inner moving sleeve. The inner moving bearing seat is slidably connected to the corresponding support base. The two inner moving bearing seats are respectively connected to the two nuts of a screw-nut transmission mechanism with double nuts and double helix directions. The screw of the screw-nut transmission mechanism is supported at both ends on the two outer moving bearing seats and is arranged parallel to the transmission shaft.

2. The forming machine with a dual-channel forming roll composite adjustment device according to claim 1, characterized in that: At least two sets of outer moving sleeve axial driving mechanisms are connected to the outer moving sleeve.

3. The forming machine with a dual-channel forming roll composite adjustment device according to claim 2, wherein: At least two sets of inner moving sleeve axial driving mechanisms are connected to the inner moving sleeve.

4. The forming machine with a dual-channel forming roll composite adjustment device according to claim 1, characterized in that: The outer moving sleeve axial driving mechanisms respectively connected to the two transmission shafts are symmetric about the center of the forming hole pattern. The inner moving sleeve axial driving mechanisms respectively connected to the two transmission shafts are symmetric about the center of the forming hole pattern.

5. The forming machine with a dual-channel forming roll composite adjustment device according to claim 1, characterized in that: A rotary driver for driving its rotation is provided at one end or both ends of the screw of the screw-nut transmission mechanism.

6. The forming machine with a dual-channel forming roll composite adjustment device according to claim 1, characterized in that: The screw of the screw-nut transmission mechanism is a screw with a double helix direction or is formed by connecting two single helix screws with opposite helix directions, and the single helix screws are detachably connected to each other.

7. The molding machine with a dual-channel forming roll compound adjustment device according to claim 1, characterized in that: The screw of the screw-nut transmission mechanism includes two single helix screws with opposite helix directions. The two single helix screws are axially slidably connected to each other, and each of the two single helix screws adopts a set of rotary drivers.

8. The forming machine with a dual-channel forming roll composite adjustment device according to claim 1, characterized in that: Bearings are provided between the outer moving bearing seat and the outer moving sleeve, and between the inner moving bearing seat and the inner moving sleeve. The outer moving bearing seat and the inner moving bearing seat are restricted from circumferential rotation by two guide rods supported at both ends on the corresponding support base and arranged parallel to the transmission shaft.

9. The forming machine with a dual-channel forming roll composite adjustment device according to claim 1, characterized in that: It further includes a forming sleeve support device. The forming sleeve support device includes at least one lifting shaft arranged perpendicular to the upper transmission shaft or the lower transmission shaft. The lifting shaft is slidably connected to the machine frame. A driving device is provided at one end of the lifting shaft away from the upper transmission shaft or the lower transmission shaft to drive it to axially move along its axis, and the other end acts on the corresponding moving bearing seat or the corresponding forming sleeve.

10. The forming machine with a dual-channel forming roll composite adjustment device according to claim 1, characterized in that: The lifting device is a hydraulic cylinder or a jack, located at both ends of the upper roll or the lower roll, installed on the frame, and the output end is connected to the corresponding upper support seat or lower support seat, so that the upper support seat or the lower support seat can move up and down along the vertical guide groove provided on the frame.

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