Metal pressing strip bending and looping device

Abstract

The utility model provides a metal pressing strip bending and looping device which comprises a roller unit arranged on a base unit, the roller unit comprises a fixed roller assembly and a movable roller assembly, and the distance between the fixed roller assembly and the movable roller assembly can be adjusted through an adjusting unit. A metal strip penetrates through the space between the fixed roller assembly and the movable roller assembly, and the movable roller assembly rotates manually or electrically. Adjustment is carried out through the adjusting unit, metal pressing strips of different diameter specifications and workloads can be manufactured, the application range is wide, and adjustment is convenient; the device has the advantages of wider applicability and operability, small size, flexibility and convenience in carrying, mainly solves the problems of difficulty in metal pressing strip looping manufacturing, uneven forming quality, high purchase cost and long period in the electromechanical installation process, provides convenience for electromechanical installation construction of engineering projects, and provides guarantee for construction quality.

Description

Technical Field

[0001] The utility model belongs to the technical field of metal beading loops, in particular to a metal beading looping device. Background Art

[0002] The traditional method of making metal molding circles is generally to use on-site manual shaping or market customized purchasing. During on-site manual shaping, the size is difficult to control, the formed appearance shape is not uniform, and local protrusions during installation make the molding and flange not tightly combined. External customized procurement has high costs and long procurement cycles. At the same time, if a small amount of local changes and adjustments occur during the construction process, a customized procurement process still needs to be completed, which has a relatively large impact on construction sites with tight construction schedules.

[0003] The automatic folding, arc pressing and circling machine for metal strip disclosed in the Chinese utility model patent with authorization announcement number CN206373208U includes a frame, a driving device installed on the frame, a strip flattening roller group installed on the frame and connected to the driving device in transmission, a primary folding roller group, a secondary folding roller group, a tertiary folding roller group, a fourth folding roller group, a fifth folding roller group, a feeding mechanism and an arc pressing and circling roller group, and a cutting mechanism, a PLC programming control box communicatively connected to the driving device and the cutting mechanism, the driving device drives the strip flattening roller group to flatten the strip and feed it into the primary folding roller group, the secondary folding roller group, the tertiary folding roller group, the fourth folding roller group and the fifth folding roller group in sequence for folding, the feeding mechanism feeds the folded strip into the arc pressing and circling roller group for arc pressing and circling, and the cutting mechanism cuts the strip from the beginning of the circle formed by arc pressing and circling.

[0004] In the above prior art, the metal strip can be quickly circled, but there are the following disadvantages:

[0005] 1. The diameter of the rings formed by the metal strip is the same, and the size of the ring cannot be adjusted;

[0006] 2. The equipment must be plugged in. If there is a power outage or no power, it will not work.

[0007] Therefore, how to effectively solve the problem that the size of the loop formed by the metal strip cannot be adjusted and the equipment must be plugged in is a technical problem that needs to be solved urgently. Utility Model Content

[0008] In view of the deficiencies in the above-mentioned background technology, the utility model proposes a metal strip bending and looping device, which solves the problem that the size of the loop formed by the metal strip cannot be adjusted and the device must be plugged in for use.

[0009] The technical solution of this application is:

[0010] A device for bending and circling a metal bead, comprising a roller unit arranged on a base unit, the roller unit comprising a fixed roller assembly and a movable roller assembly, the distance between the fixed roller assembly and the movable roller assembly is adjustable through an adjustment unit, a metal strip passes between the fixed roller assembly and the movable roller assembly, and the movable roller assembly is rotated manually or electrically. The utility model can be adjusted through the adjustment unit to produce metal beadings of different diameters and workloads, has a wide range of applications, and is easy to adjust; has a wider range of applicability and operability, is compact and flexible, and is easy to carry, and focuses on solving the problems of difficulty in making metal beading circles, uneven molding quality, high procurement costs, and long cycles during electromechanical installation, providing convenience for electromechanical installation and construction of engineering projects, and ensuring construction quality.

[0011] Furthermore, the total number of the fixed roller assemblies and the movable roller assemblies is no less than three groups.

[0012] Furthermore, the base unit comprises a base connected to the fixing plate, a guide groove is provided on the base, and the movable roller assembly is slidably matched with the guide groove through the adjusting unit.

[0013] Furthermore, the fixing plate is detachably connected to the ground or the working plane via a fixing piece.

[0014] Furthermore, the movable roller assembly includes a force transmission roller, the transmission shaft passes through the force transmission roller and the guide groove in sequence, the transmission shaft is fixed to the force transmission roller, a connecting frame is rotatably connected to the transmission shaft, the adjustment unit is connected to the connecting frame, and a manual rotating rod and a plug connector that cooperates with an electric drill are provided at the top of the transmission shaft.

[0015] Furthermore, connecting bearings for the transmission shaft to pass through are provided at both ends of the connecting frame.

[0016] Furthermore, the force transmission roller is provided with a plurality of V-shaped grooves, which are arranged along the length direction of the force transmission roller, and are distributed on the outer peripheral surface of the force transmission roller with the transmission shaft as the rotation axis. The force transmission roller provides power, and the V-shaped grooves on the force transmission roller drive the pressed metal strip forward. The force transmission roller can select the operation mode according to the degree of production engineering through manual power or hand drill auxiliary mode, and the application scenario is flexible.

[0017] Furthermore, the fixed roller assembly includes a central shaft connected to the base, and a bearing string is rotatably connected to the central shaft.

[0018] Furthermore, the adjustment unit includes a screw connected to the connecting frame at one end and provided with a rotating hand wheel at the other end, and a fixing frame is provided on the base, and the screw moves forward or backward relative to the fixing frame by rotating the hand wheel. Through the adjustment unit, metal strips of different diameters and workloads can be produced, which has a wide range of applications and is easy to adjust.

[0019] Furthermore, the fixing frame is U-shaped, and a hole 1 and a hole 2 are respectively provided on both sides of the fixing frame. The outer side of the hole 1 is connected to a fixing nut, and the outer side of the hole 2 is connected to a movable nut.

[0020] Furthermore, the fixing frame is provided with a bolt hole, and the screw rod is threadably matched with the bolt hole.

[0021] The specific beneficial effects of the utility model include:

[0022] 1. Through the adjustment unit, metal strips with different diameters and workloads can be made, which has a wide range of applications and is easy to adjust;

[0023] 2. The force transmission roller provides power, and the V-shaped groove on the force transmission roller drives the pressed metal strip forward. The force transmission roller can be operated by manual power or hand drill assistance mode according to the degree of production engineering, and the application scenario is flexible;

[0024] 3. It has wider applicability and operability, is small, flexible and easy to carry, and focuses on solving the problems of difficulty in making metal strips, uneven molding quality, high procurement cost and long cycle in the process of electromechanical installation, providing convenience for electromechanical installation and construction of engineering projects and ensuring construction quality;

[0025] 4. The production materials are common, the cost is easy to control, and ordinary workers can make it. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the embodiments of the present utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0027] Figure 1 This is a schematic diagram of the use state of the utility model;

[0028] Figure 2 It is a top view of the utility model;

[0029] Figure 3 This is the perspective 1 of the stereogram of the utility model;

[0030] Figure 4 This is the perspective 2 of the stereogram of the present invention.

[0031] Description of Figure Numbers:

[0032] 1. Fixed roller assembly; 2. Mobile roller assembly; 3. Metal strip;

[0033] 4. Fixed plate; 5. Base; 6. Guide groove; 7. Force transmission roller;

[0034] 8. Transmission shaft; 9. Connecting frame;

[0035] 10. Manual rotating rod; 11. Plug connector; 12. Center axis;

[0036] 13. Bearing; 14. Fixed frame;

[0037] 15. Turn the hand wheel; 16. Adjust the screw;

[0038] 17. Fixed nut; 18. Movable nut. DETAILED DESCRIPTION

[0039] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0040] The installation of ventilation and smoke exhaust systems occupies an important position in building mechanical and electrical installation projects. The production and installation of flexible interfaces of equipment play a vital role in the system's air leakage and the stability of the fan during operation. How to further improve the construction quality and the safety performance of the system while controlling the construction cost under the premise of ensuring the construction progress is an issue that the project's mechanical and electrical professional managers have to consider. The utility model can meet the production of circular metal strips with different specifications such as diameter of 300-1500mm, material thickness of 1.0-4.0mm, width of 15-50mm, etc., and is equipped with manual and electric operation adapters to adapt to the operation of circular metal strips of different diameters and workloads. It provides a powerful guarantee measure to improve the quality of engineering construction, reduce the operating intensity of workers, and control construction costs.

[0041] A metal strip bending and looping device, such as Figure 1As shown, it includes a roller unit arranged on a base unit, and the roller unit includes a fixed roller assembly 1 and a mobile roller assembly 2. The fixed roller assembly 1 and the mobile roller assembly 2 are adjustable in distance through an adjustment unit, and a metal strip 3 passes between the fixed roller assembly 1 and the mobile roller assembly 2, and the mobile roller assembly 2 is rotated manually or electrically. The utility model can be adjusted through the adjustment unit to produce metal strips of different diameters and workloads, with a wide range of applications and easy adjustment; it has a wider range of applicability and operability, is small and flexible, and is easy to carry. It focuses on solving the problems of difficulty in making metal strips in circles, uneven molding quality, high procurement costs, and long cycles during electromechanical installation, providing convenience for electromechanical installation and construction of engineering projects, and ensuring construction quality.

[0042] On the basis of the above-mentioned implementation manner, the sum of the number of the fixed roller assemblies 1 and the movable roller assemblies 2 is not less than three groups.

[0043] Preferably, two groups of fixed roller assemblies 1 and one group of movable roller assemblies 2 can be used. The two groups of fixed roller assemblies 1 are arranged side by side, and the movable roller assembly 2 is arranged on the central axis of the two groups of fixed roller assemblies 1. The three groups are arranged in a triangle, and the metal strip 3 passes between the fixed roller assembly 1 and the movable roller assembly 2.

[0044] Based on the above embodiment, the base unit includes a base 5 connected to a fixed plate 4, a guide groove 6 is provided on the base 5, the movable roller assembly 2 is slidably matched with the guide groove 6 through the adjustment unit, and the fixed plate 4 is detachably connected to the ground or the working plane through a fixing part.

[0045] Specifically, since the device is small in size and will be affected by rotational force during the manufacturing process, a steel fixing plate 4 should be provided. The thickness of the fixing plate 4 is 6~12mm, and fixing screw holes should be evenly arranged at the four corners. The bolts pass through the screw holes to connect with the ground or the working plane. The specification of the fixing plate 4 should be Ø8~Ø12. During manufacturing, it is fixed according to the actual situation on site, and is generally fixed on the four corners of the base 5.

[0046] Specifically, the base 5 is welded with 8# channel steel, and the outer dimensions are preferably 350×450 mm. The fixed roller assembly 1 and the movable roller assembly 2 are both connected to the base 5. The base 5 can be a rectangular frame, and the four corners of the rectangular frame are connected to the fixed plate 4. A cross support frame is arranged in the rectangular frame, and two groups of fixed roller assemblies 1 are arranged on the horizontal cross support frame, and one group of movable roller assembly 2 is arranged on the vertical cross support frame. A guide groove 6 is arranged on the vertical cross support frame, and the movable roller assembly 2 is slidably matched with the guide groove 6. The length of the guide groove 6 meets the need for adjusting the distance.

[0047] Based on the above implementation, Figure 2-Figure 4 As shown, the mobile roller assembly 2 includes a force transmission roller 7, a transmission shaft 8 passes through the force transmission roller 7 and the guide groove 6 in sequence, the transmission shaft 8 is fixed to the force transmission roller 7, a connecting frame 9 is rotatably connected to the transmission shaft 8, the adjustment unit is connected to the connecting frame 9, and a manual rotating rod 10 and a plug connector 11 for plugging with an electric drill are provided at the top of the transmission shaft 8. Both ends of the connecting frame 9 are provided with connecting bearings for the transmission shaft 8 to pass through, the transmission shaft 8 drives the force transmission roller 7 to rotate, and the connecting frame 9 remains stationary. When it is necessary to adjust the distance between the fixed roller assembly 1 and the mobile roller assembly 2, the connecting frame 9 is pulled to move along the guide groove 6 by the adjustment unit.

[0048] Specifically, the manual rotating rod 10 can be made of Ø12 high-strength round steel and welded to the transmission shaft 8. The plug connector 11 can be a rotating hexagonal connector with specifications matching the hand drill. The operation mode can be selected according to the degree of production engineering, manual power or hand drill auxiliary mode.

[0049] On the basis of the above-mentioned embodiment, the force transmission roller 7 is provided with a plurality of V-shaped grooves, which are arranged along the length direction of the force transmission roller 7, and the plurality of V-shaped grooves are distributed on the outer peripheral surface of the force transmission roller 7 with the transmission shaft 8 as the rotation axis. The force transmission roller 7 is made of a round steel pipe with an outer diameter of 58 mm, and a V-shaped groove should be pressed on the outside of the round steel pipe, with a depth and width of 1 mm to increase the surface friction. The force transmission roller provides power, and the V-shaped groove on the force transmission roller drives the pressed metal strip forward. The force transmission roller can select the operation mode according to the degree of production engineering through manual power or hand drill auxiliary mode, and the application scenario is flexible.

[0050] On the basis of the above-mentioned embodiment, the fixed drum assembly 1 includes a central shaft 12 connected to the base 5 , and a bearing string 13 is rotatably connected to the central shaft 12 .

[0051] Specifically, the bearing string 13 can be a compression bearing, and the specifications can refer to the outer diameter: 55mm, the inner diameter: 30mm, the width of the bearing is 13mm, four sets are installed concentrically up and down, and the center distance between two sets of bearing strings 13 is preferably 100mm.

[0052] Based on the above embodiment, the adjustment unit includes a fixed frame 14 arranged on the base 5, and an adjusting screw 16 passes through the fixed frame 14. One end of the adjusting screw 16 is connected to the connecting frame 9, and the other end is provided with a rotating hand wheel 15. The adjusting screw 16 moves forward or backward relative to the fixed frame 14 through the rotating hand wheel 15.

[0053] Specifically, the rotating hand wheel 15 can be made of Ø6 round steel with an outer diameter of 100 mm, and is welded and fixed to the adjusting screw 16 to facilitate force transmission.

[0054] Based on the above implementation, the fixing frame 14 is U-shaped, and a hole 1 and a hole 2 are respectively provided on both sides of the fixing frame 14. A fixing nut 17 is connected to the outer side of the hole 1, and a movable nut 18 is connected to the outer side of the hole 2.

[0055] Specifically, the fixed nut 17 should be welded and fixed on the fixed frame 14, and the movable nut 18 should be inserted into the screw rod 16 according to the position shown in the drawing, and is not fixed but can be rotated and adjusted.

[0056] The utility model can be adjusted through the adjustment unit, and metal pressure strips of different diameters and workloads can be produced. The application range is wide and the adjustment is convenient. The power is provided by the force transmission roller, and the V-shaped groove on the force transmission roller is used to drive the pressed metal pressure strip forward. The force transmission roller can select the operation mode according to the degree of production engineering through manual power or hand drill auxiliary mode, and the application scenario is flexible. It has wider applicability and operability, is small and flexible, and is easy to carry. It focuses on solving the problems of difficult production of metal pressure strips in the process of electromechanical installation, uneven molding quality, high procurement cost, and long cycle, which provides convenience for electromechanical installation and construction of engineering projects and guarantees the construction quality. The production materials are common, the cost is easy to control, and general workers can produce it.

[0057] The parts not described in detail in the present invention are all conventional technical means known to those skilled in the art.

[0058] The above content shows and describes the basic principle, main features and beneficial effects of the utility model. The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A metal strip bending and looping device, characterized in that: The invention comprises a roller unit arranged on a base unit, wherein the roller unit comprises a fixed roller assembly (1) and a movable roller assembly (2), wherein the fixed roller assembly (1) and the movable roller assembly (2) are adjustable by adjusting the unit spacing, and a metal strip (3) passes between the fixed roller assembly (1) and the movable roller assembly (2), and the movable roller assembly (2) is rotated manually or electrically.

2. The metal strip bending and looping device according to claim 1, characterized in that: The total number of the fixed roller assemblies (1) and the movable roller assemblies (2) is no less than three groups.

3. The metal strip bending and looping device according to claim 1 or 2, characterized in that: The base unit comprises a base (5) connected to a fixed plate (4); a guide groove (6) is provided on the base (5); and the movable roller assembly (2) is slidably engaged with the guide groove (6) via the adjustment unit.

4. The metal strip bending and looping device according to claim 3, characterized in that: The fixing plate (4) is detachably connected to the ground or the working plane via a fixing piece.

5. The metal strip bending and looping device according to claim 3, characterized in that: The movable roller assembly (2) comprises a force transmission roller (7), a transmission shaft (8) passing through the force transmission roller (7) and the guide groove (6) in sequence, the transmission shaft (8) being fixed to the force transmission roller (7), a connecting frame (9) being rotatably connected to the transmission shaft (8), the adjustment unit being connected to the connecting frame (9), and a manual rotating rod (10) and a plug connector (11) for plugging with an electric drill being arranged at the top end of the transmission shaft (8).

6. The metal strip bending and looping device according to claim 5, characterized in that: Both ends of the connecting frame (9) are provided with connecting bearings for the transmission shaft (8) to pass through.

7. The metal strip bending and looping device according to claim 5 or 6, characterized in that: The force transmission roller (7) is provided with a plurality of V-shaped grooves, the V-shaped grooves being arranged along the length direction of the force transmission roller (7), and the plurality of V-shaped grooves being distributed on the outer peripheral surface of the force transmission roller (7) with the transmission shaft (8) as the rotation axis.

8. The metal strip bending and looping device according to any one of claims 4 to 6, characterized in that: The fixed roller assembly (1) comprises a central shaft (12) connected to the base (5), and a bearing string (13) is rotatably connected to the central shaft (12).

9. The metal strip bending and looping device according to claim 5, characterized in that: The adjustment unit comprises a fixing frame (14) arranged on the base (5), an adjusting screw (16) passing through the fixing frame (14), one end of the adjusting screw (16) being connected to the connecting frame (9), and the other end being provided with a rotating hand wheel (15), and the adjusting screw (16) being moved forward or backward relative to the fixing frame (14) by means of the rotating hand wheel (15).

10. The metal strip bending and looping device according to claim 9, characterized in that: The fixing frame (14) is U-shaped, and a first hole and a second hole are respectively provided on two sides of the fixing frame (14). The outer side of the first hole is connected to a fixing nut (17), and the outer side of the second hole is connected to a movable nut (18).

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