Hoop bending device

Abstract

The utility model discloses a strap bending device which comprises a support and a tool used for fixing one end of a strap, a mould and a bending assembly are assembled on the support, the surface of the mould has a certain radian, the bending assembly is movably arranged on the support, the tool is located on the side of the mould, the bending assembly comprises a bending piece and a driving mechanism, and the driving mechanism is used for driving the bending piece to rotate. The bending piece is driven by the driving mechanism to move to be in contact with the straight strap and continuously move to apply pressure to press the strap on the cambered surface of the mould so as to form bending, the bending device is compact in structure and easy to operate, the straight strap is bent on the mould through movement of the bending rod, accurate bending can be achieved in a mechanical mode, and the bending efficiency is improved. According to the hose clamp bending device, the curvature of each hose clamp is ensured to be consistent, bending treatment is carried out on the hose clamps before edge rolling, and particularly, pre-bending treatment is carried out on the roots, not prone to edge rolling, of the combination parts of the hoop belts and the hoop shells, so that the roundness of the hoop belts in the edge rolling process can be ensured, and the efficiency and precision of the subsequent edge rolling procedure are remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the throat hoop production technical field, is hoop band bending device concretely. BACKGROUND

[0002] Throat hoop refers to the connecting fastener widely used in various water, oil, gas fields such as automobile, tractor, forklift, locomotive, ship, mine, petroleum, chemical industry, pharmacy, agriculture, when the existing throat hoop is made into finished product by placing straight hoop band on bending device and performing roll forming operation, when the existing bending device rolls up throat hoop, straight hoop band is hung on the bending device and is rolled up, but straight hoop band is easy to be raised, leading to the length of hoop band being hollow, and uneven stress of hoop band is prone to occur in the roll forming process of bending device, so that hoop band is rolled into oval or is rolled into abnormal shape, leading to a large probability of producing defective products, therefore, a bending device is needed to bend before the roll forming of throat hoop, facilitate the next roll forming, overcome the product abnormality or oval caused by traditional roll forming mode, and improve the qualified rate of product. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at providing hoop band bending device to solve the problems in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme: hoop band bending device, including support and tool for fixing one end of hoop band, the support is equipped with mould with certain camber on the surface and bending assembly, the bending assembly is movably arranged on the support, the tool is located in the side of mould, the bending assembly includes bending piece and drive mechanism, the bending piece is moved to contact with straight hoop band under the drive of drive mechanism and continues to move and presses the hoop band on the camber of mould and forms bending.

[0005] Further, the bending piece includes bending rod and bearing seat, the bearing seat is assembled on the drive mechanism, the bending rod is rotatably assembled on the bearing seat through bearing, the bending rod is moved along the camber of mould under the drive of drive mechanism, so that the hoop band is gradually pressed and bent on the camber of mould.

[0006] Further, the driving mechanism comprises a horizontal moving assembly and a longitudinal moving assembly, which work in cooperation to drive the bending piece to move on a plane, the horizontal moving assembly comprises a first cylinder, a first guide rail and a connecting base, the first guide rail is horizontally arranged on the support, the connecting base is movably arranged on the first guide rail, and the first cylinder is fixedly arranged on the support and connected with the connecting base through a piston rod so as to drive the connecting base to move horizontally along the first guide rail; the longitudinal moving assembly comprises a second cylinder, a second guide rail and a moving base, the second cylinder and the second guide rail are longitudinally arranged on the connecting base, and the moving base is movably arranged on the second guide rail; the piston rod of the second cylinder is connected with the moving base and drives the moving base to move longitudinally along the second guide rail; and the bending piece is arranged on the moving base.

[0007] Further, the support is provided with a pressing cylinder and a third guide rail, the pressing cylinder and the third guide rail are arranged on the support, the third guide rail is movably arranged with a jig support, the jig is arranged on the jig support, and the piston rod of the pressing cylinder is connected with the jig support so as to drive the jig to move close to or away from the tool.

[0008] Further, a plurality of mounting holes are longitudinally arranged on the jig support, and the jig is fixed on the jig support through threaded connection of bolts and the mounting holes.

[0009] Further, a transition plate is slidably arranged on the side end of the support away from the tool, and the transition plate is driven to move by a transition cylinder, so as to push the hoop to separate from the jig.

[0010] Compared with the prior art, the utility model has the advantages of compact structure and simple operation.

[0011] The utility model discloses a compact structure and simple operation, and the hoop is bent on the jig through the movement of the bending rod, and the accurate bending can be realized in a mechanical way, the curvature of each hose clamp is consistent, and the bending treatment is carried out before the rounding of the hose clamp, especially the root of the combined part of the hoop and the hoop shell is bent in advance, so that the roundness of the hoop during rounding can be ensured, the efficiency and accuracy of the subsequent rounding process are improved, and the overall efficiency of the production line is improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is a structure schematic view of the utility model hoop bending device;

[0013] Fig. 2 It is a non -working state main view of the utility model hoop bending device;

[0014] Fig. 3 This is a front view of the working state of the hoop bending device of this utility model.

[0015] In the diagram, the components are: support-1, tooling-2, jig-3, bending part-4, bending rod-5, bearing seat-6, bearing-7, first cylinder-8, first guide rail-9, connecting seat-10, second cylinder-11, second guide rail-12, moving seat-13, clamping cylinder-14, third guide rail-15, jig bracket-16, transition plate-17, and transition cylinder-18. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] like Figs. 1 to 3 As shown, the hoop bending device includes a support 1 and a tooling 2 for fixing one end of the hoop. The support 1 is equipped with a jig 3 with a certain curvature on its surface and a bending assembly. The bending assembly is movably mounted on the support 1. The tooling 2 is located to the side of the jig 3. The bending assembly includes a bending element 4 and a driving mechanism. The bending element 4 moves under the drive mechanism to contact the straight hoop and continues to move and apply pressure to press the hoop onto the curved surface of the jig 3, thereby forming a bend.

[0018] In this embodiment, the bending component 4 includes a bending rod 5 and a bearing seat 6. The bearing seat 6 is mounted on the drive mechanism, and the bending rod 5 is rotatably mounted on the bearing seat 6 through the bearing 7. Under the drive of the drive mechanism, the bending rod 5 moves along the arc of the jig 3, thereby applying pressure to gradually bend the band against the arc of the jig 3.

[0019] In this embodiment, the driving mechanism includes a horizontal moving component and a longitudinal moving component. The horizontal moving component and the longitudinal moving component work together to drive the bending member 4 to move on a plane. The horizontal moving component includes a first cylinder 8, a first guide rail 9, and a connecting seat 10. The first guide rail 9 is horizontally arranged on the support 1, and the connecting seat 10 is movably mounted on the first guide rail 9. The first cylinder 8 is fixedly installed on the support 1, and its piston rod is connected to the connecting seat 10 to drive the connecting seat 10 to move horizontally along the first guide rail 9. The longitudinal moving component includes a second cylinder 11, a second guide rail 12, and a moving seat 13. The second cylinder 11 and the second guide rail 12 are both longitudinally arranged on the connecting seat 10, and the moving seat 13 is movably mounted on the second guide rail 12. The piston rod of the second cylinder 11 is connected to the moving seat 13 and drives it to move longitudinally along the second guide rail 12. The bending member 4 is mounted on the moving seat 13.

[0020] In the embodiment, the pressing cylinder 14 and the third guide rail 15 are arranged on the support 1, the pressing cylinder 14 and the third guide rail 15 are both assembled on the support 1, the jig support 16 is movably arranged on the third guide rail 15, the jig 3 is arranged on the jig support 16, the piston rod of the pressing cylinder 14 is connected with the jig support 16 so as to drive the jig 3 to move close to or away from the tool 2, a plurality of mounting holes are longitudinally arranged on the jig support 16, the jig 3 is fixed on the jig support 16 through threaded connection with the mounting holes through bolts, and the height of the jig 3 can be adjusted according to the size of the belt, so that the bending compatibility is realized.

[0021] In the embodiment, the transition plate 17 is slidably arranged on the side end of the support 1 away from the tool 2, the transition plate 17 is driven to move by the transition cylinder 18, after the bending process is completed, the tool 2 drives one end of the belt to move forward, and at the same time, the transition plate 17 is synchronously driven to move forward by the transition cylinder 18, so as to drive the other end of the belt to move forward, the belt is driven to move away from the jig 3 by the synchronous movement of the tool 2 and the transition plate 17, and the design of the transition plate 17 can avoid that the tool 2 alone causes the belt to be separated from the tread and to be inclined due to uneven force.

[0022] The working principle of the embodiment is as follows:

[0023] One end of the straight belt is fixed by the tool 2 and is moved to the side of the jig 3, at this time, the bending rod 5 is driven to move to contact the end face of the belt away from the jig 3 by the horizontal moving assembly and the longitudinal moving assembly, and at the same time, the jig 3 is driven to move close to the belt by the pressing cylinder 14, so as to clamp the belt between the jig 3 and the bending rod 5, then the bending rod 5 is driven to move along the arc surface of the jig 3 by the horizontal moving assembly and the longitudinal moving assembly, the originally vertical downward belt is gradually bent to be attached to the arc surface of the jig 3 by the movement of the bending rod 5, and finally the straight belt is bent into an arc shape.

[0024] The tool 2 is driven by the conveying device (linear conveying mechanism or rotating disc) to the next round bending process, and the next tool 2 reaches the position under the conveying device, and the round bending is formed in sequence.

[0025] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or equivalently replace part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A cuff bending device, characterized by: The utility model provides a kind of banding machine, including support and tool for fixing the end of band, the support is equipped with mould with certain camber on surface and bending assembly, the bending assembly is movably arranged on support, the tool is located in the side of mould, the bending assembly includes bending piece and driving mechanism, the bending piece is moved to contact with flat band under the driving of driving mechanism and continues to move and press and is pressed on the camber of mould, to form bending in turn.

2. The tourniquet bending device of claim 1, wherein: The bending piece includes bending rod and bearing seat, the bearing seat is equipped on driving mechanism, the bending rod is rotatably equipped on bearing seat by bearing, the bending rod is moved along the camber of mould under the driving of driving mechanism, to press and gradually press bend band to abut on the camber of mould.

3. The cuff bending device of claim 1 or 2, wherein: The driving mechanism includes horizontal movement assembly and longitudinal movement assembly, the horizontal movement assembly and longitudinal movement assembly cooperate and work to drive bending piece to move on plane, the horizontal movement assembly includes first cylinder, first guide rail and connecting seat, the first guide rail is horizontally arranged on support, the connecting seat is movably equipped on first guide rail, the first cylinder is fixedly installed on support and its piston rod is connected with connecting seat to drive connecting seat to move horizontally along first guide rail, the longitudinal movement assembly includes second cylinder, second guide rail and moving seat, the second cylinder and second guide rail are longitudinally arranged on connecting seat, the moving seat is movably equipped on second guide rail, the piston rod of second cylinder is connected with moving seat and drives it to move longitudinally along second guide rail, and the bending piece is equipped on moving seat.

4. The tourniquet bending device of claim 1, wherein: The support is provided with pressing cylinder and third guide rail, the pressing cylinder and third guide rail are equipped on support, the third guide rail is movably installed with mould support, the mould is installed on mould support, the piston rod of pressing cylinder is connected with mould support to drive mould to approach or away from the tool.

5. The tourniquet bending device of claim 4, wherein: The mould support is longitudinally arranged with a plurality of mounting holes, and the mould is fixed on the mould support by screwing the mounting holes with bolts.

6. The tourniquet bending device of claim 1, wherein: The side end of the support away from the tool is slidably provided with a transition plate, and the transition plate is driven to move by a transition cylinder to push the band away from the mould.

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