Flexible strap rolling machine

Abstract

The utility model discloses a flexible strap edge rolling machine which comprises a tool, a base, a movable seat, a driving edge rolling forming die, an auxiliary edge rolling forming die and a main top edge rolling forming die, the tool is fixed at one end of a strap, the tool is circularly transported under the driving of a transportation device, the movable seat is movably arranged on the base and is close to or far away from the tool under the driving of a power assembly, and the main top edge rolling forming die is arranged on the movable seat. The driving edge rolling forming die is rotationally assembled on the moving seat and driven by the motor to rotate, the pressing assembly is arranged on the moving seat and located on the side of the driving edge rolling forming die, and the auxiliary edge rolling forming die and the main top edge rolling forming die are rotationally assembled on the pressing assembly. According to the utility model, the unique tool structure and the conveying device work cooperatively, so that the continuous edge rolling work is realized, the production efficiency is improved, the edge rolling action is carried out through the common rotation action of the active edge rolling moulding bed, the auxiliary edge rolling moulding bed and the main top edge rolling moulding bed, and the roundness of the edge rolling is ensured under the cooperation with the tool.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of rounding equipment, in particular to a flexible hoop band rounding machine. BACKGROUND

[0002] The throat hoop is an ideal connecting fastener. The effect is huge. The throat hoop has wide application range, high torsion resistance and pressure resistance, balanced torque, firm locking, tightness, large adjustment range, and beautiful appearance after assembly, and has large market demand. However, in the prior art, when the throat hoop is rounded, the hoop band cannot be rounded to the right position, resulting in insufficient hoop band roundness, which leads to a very high rate of defective products and a large waste of manpower and material resources. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at providing a flexible hoop band rounding machine to solve the problems in the above background.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a flexible hoop band rounding machine, comprising a tool for fixing one end of the hoop band, a base, a moving seat, a main rounding mandrel, an auxiliary rounding mandrel and a main top rounding mandrel, the moving seat is movably arranged on the base and is driven by a power assembly to approach or move away from the tool, the main rounding mandrel is rotatably assembled on the moving seat and is driven to rotate by a motor, a pressing assembly is arranged on the moving seat and located at the side of the main rounding mandrel, the auxiliary rounding mandrel and the main top rounding mandrel are both rotatably assembled on the pressing assembly, the pressing assembly drives the auxiliary rounding mandrel and the main top rounding mandrel to approach or move away from the main rounding mandrel, and through the joint action of the main rounding mandrel, the auxiliary rounding mandrel and the main top rounding mandrel, the hoop band is approached and clamped therebetween, and the moving seat cooperates to work to perform the rounding action.

[0005] Further, the main rounding mandrel and the auxiliary rounding mandrel are synchronously and reversely rotated under the drive of the motor, a connecting shaft connected with the motor in transmission is arranged on the moving seat, a first gear is sleeved on the connecting shaft, the main rounding mandrel is installed on the connecting shaft, a second gear and a third gear are respectively sleeved on the rotating shafts connected with the pressing assembly of the auxiliary rounding mandrel and the main top rounding mandrel, and the second gear and the third gear are meshed with the first gear at the same time when the pressing assembly drives the auxiliary rounding mandrel and the main top rounding mandrel to approach the main rounding mandrel, so as to realize synchronous transmission.

[0006] Further, the main rounding mandrel and the first gear are detachably installed on the connecting shaft.

[0007] Further, the pressing assembly comprises an upper top seat, an auxiliary upper top cylinder and a main upper top cylinder, the upper top seat is fixedly assembled on the moving seat and located below the main driven tire building former, the auxiliary upper top cylinder and the main upper top cylinder are arranged in the upper top seat, the end of the piston rod of the auxiliary upper top cylinder and the end of the piston rod of the main upper top cylinder are respectively provided with an auxiliary support and a main top support, the auxiliary tire building former and the main top tire building former are respectively rotationally assembled on the auxiliary support and the main top support, the main driven tire building former, the auxiliary tire building former and the main top tire building former are located in the same plane, and the main top tire building former is located directly below the main driven tire building former, and the auxiliary tire building former is located below the side of the main driven tire building former.

[0008] Further, the upper top seat is provided with a straightening cylinder near the side end of the tool, the end of the piston rod of the straightening cylinder is connected with a straightening piece, and the straightening cylinder drives the straightening piece to approach the contact with the belt on the tool.

[0009] Further, the power assembly comprises a belt transmission mechanism, the top surface of the moving seat is provided with a guide rail, the moving seat is slidingly assembled on the guide rail, and the belt transmission mechanism is installed on the base and provided with a sliding block on the transmission belt, the sliding block is fixedly connected with the moving seat, and the belt transmission mechanism is used to drive the moving seat to move horizontally along the guide rail.

[0010] Further, the conveying device is also arranged on the side of the base, a plurality of tools are sequentially conveyed on the conveying device, the conveying device comprises a mounting seat, a first tool seat, a second tool seat and a third tool seat, the first tool seat, the second tool seat and the third tool seat are all provided with a tool slot for slidingly clamping the tool, the second tool seat is fixedly arranged in the middle of the mounting seat, the first tool seat and the third tool seat are hingedly assembled on the mounting seat and respectively located on the left and right sides of the second tool seat, the first tool seat and the third tool seat are driven to rotate at least 90° by the turning cylinder, the second tool seat is located on the side of the main driven tire building former, and the tool slot of the second tool seat faces the base, a displacement cylinder is arranged on the side of the mounting seat, a push plate is arranged on the piston rod of the displacement cylinder, and the push plate is used to push the tool in the first tool seat into the second tool seat and the third tool seat.

[0011] Further, the tool comprises a support and a pair of clamps arranged on the two sides of the support, the top of the support is provided with a mounting opening, the two clamps are respectively hingedly assembled on the left and right sides of the mounting opening, the middle of the mounting opening is provided with a limiting opening, the belt is arranged in the limiting opening and abuts against the outer end surfaces of the belt on the side close to the limiting opening by the two clamps, the other end of each of the two clamps is connected with a spring on the bottom of the mounting opening, the clamps press one end of the belt under the elastic force of the spring, and a clamping groove is arranged on the side wall of the support for slidingly clamping the inner wall of the tool slot.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1, the utility model discloses the common action of initiative roll -up tire mould, auxiliary roll -up tire mould and main top roll -up tire mould, realized the purpose of the horizontal banding and through the gear meshing transmission mode make initiative roll -up tire mould, main top roll -up tire mould and auxiliary roll -up tire mould three synchronous rotation, guarantee the banding stress uniformity, effectively eliminate the rebound, guarantee the roundness of the formed throat joint;

[0014] 2, the whole roll -up process realizes the automation, improves production efficiency, reduces production cost, realizes the circulation transport of tooling through the setting of conveying device, and utilizes the reversible structure design of first tooling seat and third tooling seat, makes tooling enter roll -up procedure and rotates to vertical state, so that the banding end clamped on it is in vertical state, can make the banding stress more uniform in the roll -up process, improves the roundness uniformity of finished product.

[0015] 3, through the cooperation of replaceable initiative roll -up tire mould and cylinder, can realize the roll -up of different diameter throat joint, can roll -up diameter selection range is big, and the scope of application is wide, and the whole roll -up mechanism can be used alone as roll -up, or be set on the flow line operation automation throat joint assembly equipment and be used as one module, to realize continuous roll -up work.

[0016] 4, the unique tooling structure in the utility model can guarantee the stable flexible clamping and fixing of banding in the roll -up process, reduces the uneven roll -up or deformation caused by the deviation or sliding of banding, and the vertical fixing mode makes the banding stress more uniform when roll -up, so that the roundness of the roll -up banding is higher. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the front view structural drawing of the flexible banding roll -up machine of the utility model;

[0018] Figure 2 It is the rear view structural drawing of the flexible banding roll -up machine of the utility model;

[0019] Figure 3 It is the front view of the flexible banding roll -up machine of the utility model;

[0020] Figure 4 It is the tooling schematic drawing in the utility model;

[0021] Figure 5 It is the conveying device structure schematic drawing in the utility model.

[0022] In the diagram, the components are: tooling-1, base-2, movable seat-3, active rolling mold-4, auxiliary rolling mold-5, main top rolling mold-6, power component-7, motor-8, first gear-9, second gear-10, top seat-11, auxiliary top cylinder-12, main top cylinder-13, auxiliary support-14, main top support-15, straightening cylinder-16, straightening component-17, guide rail-18, hoop-19, support-20, fixture-21, mounting port-22, limit port-23, spring-24, mounting seat-25, first tooling seat-26, second tooling seat-27, third tooling seat-28, tilting cylinder-30, displacement cylinder-31, and push plate-32. Detailed Implementation

[0023] 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.

[0024] like Figures 1 to 3 As shown, a flexible band 19 winding machine includes a fixture 1 fixed to one end of the band 19, a base 2, a movable seat 3, an active winding mold 4, an auxiliary winding mold 5, and a main top winding mold 6. The movable seat 3 is movably mounted on the base 2 and moves closer to or away from the fixture 1 under the drive of a power component 7. The active winding mold 4 is rotatably mounted on the movable seat 3 and driven to rotate by a motor 8. A clamping component is provided on the movable seat 3, and the clamping component is located to the side of the active winding mold 4. The auxiliary winding mold 5 and the main top winding mold 6 are both rotatably mounted on the clamping component. The clamping component drives the auxiliary winding mold 5 and the main top winding mold 6 to move closer to or away from the active winding mold 4. Through the combined action of the active winding mold 4, the auxiliary winding mold 5, and the main top winding mold 6, the machine approaches the band 19 and clamps the band 19 between them, performing a winding action as the movable seat 3 moves.

[0025] In the embodiment, the connecting shaft is provided on the moving seat 3 and is in transmission connection with the motor 8, the first gear 9 is sleeved on the connecting shaft, the driving rotary tire mold 4 is installed on the connecting shaft, the driving rotary tire mold 4 rotates under the driving of the motor 8, the second gear 10 and the third gear are respectively sleeved on the rotating shafts of the auxiliary rotary tire mold 5 and the main rotary tire mold 6 connected with the pressing assembly, the second gear 10 and the third gear are all in mesh with the first gear 9 when the auxiliary rotary tire mold 5 and the main rotary tire mold 6 are driven by the pressing assembly to approach the driving rotary tire mold 4, thereby synchronous transmission is realized, the motor 8 drives the driving rotary tire mold to rotate reversely when driving the driving rotary tire mold to rotate, the synchronous transmission of the auxiliary rotary tire mold 5 and the main rotary tire mold 6 is realized through the meshing of the gears, thereby the auxiliary rotary tire mold 5 and the main rotary tire mold 6 reversely rotate, the hoop 19 is rolled and pressed through the common rotation of the driving rotary tire mold 4, the auxiliary rotary tire mold 5 and the main rotary tire mold 6, the hoop 19 is bent and deformed, and the deformation is along with the movement of the moving seat 3 until the root of the hoop 19.

[0026] The driving rotary tire mold 4 and the first gear 9 are detachably installed on the connecting shaft, the driving rotary tire mold 4 can be replaced after being detached, the diameter of the driving rotary tire mold 4 is replaced to adjust the diameter of the throat hoop, that is, the diameter.

[0027] In the embodiment, the pressing assembly includes the upper top seat 11, the auxiliary upper top cylinder 12 and the main upper top cylinder 13, the upper top seat 11 is fixedly assembled on the moving seat 3 and is located below the driving rotary tire mold 4, the auxiliary upper top cylinder 12 and the main upper top cylinder 13 are arranged in the upper top seat 11, the piston rod ends of the auxiliary upper top cylinder 12 and the main upper top cylinder 13 are respectively provided with the auxiliary support 14 and the main top support 15, the auxiliary rotary tire mold 5 and the main rotary tire mold 6 are respectively rotatably assembled on the auxiliary support 14 and the main top support 15, the driving rotary tire mold 4, the auxiliary rotary tire mold 5 and the main rotary tire mold 6 are located on the same plane, the main rotary tire mold 6 is located directly below the driving rotary tire mold 4, the auxiliary rotary tire mold 5 is located below and on the side of the driving rotary tire mold 4, the upper top seat 11 is provided with the straightening cylinder 16 on the side end close to the tool 1, the piston rod end of the straightening cylinder 16 is connected with the straightening piece 17, the straightening cylinder 16 drives the straightening piece 17 to approach and contact the hoop 19 on the tool 1.

[0028] In the embodiment, the power assembly 7 includes a belt transmission mechanism, the top surface of the moving seat 3 is provided with the guide rail 18, the moving seat 3 is slidably assembled on the guide rail 18, the belt transmission mechanism is installed on the base 2 and is provided with the sliding block on the transmission belt, the sliding block is fixedly connected with the moving seat 3, and the belt transmission mechanism is used to drive the moving seat 3 to move horizontally along the guide rail 18.

[0029] Please refer toFigure 5 The conveying device is arranged on the side of the base, and a plurality of tooling devices are sequentially arranged on the conveying device. The conveying device comprises a mounting seat 25, a first tooling seat 26, a second tooling seat 27 and a third tooling seat 28. The first tooling seat 26, the second tooling seat 27 and the third tooling seat 28 are all provided with tooling sliding grooves. The second tooling seat 27 is fixedly arranged in the middle of the mounting seat 25. The first tooling seat 26 and the third tooling seat 28 are hingedly arranged on the mounting seat 25 and respectively arranged on the left and right sides of the second tooling seat 27. The first tooling seat 26 and the third tooling seat 28 are driven by the turnover cylinder 30 to rotate by at least 90°. The second tooling seat 27 is arranged on the side of the drivingly rolled tire mold, and the tooling sliding groove of the second tooling seat 27 faces the base. A displacement cylinder 31 is arranged on the side of the mounting seat 25. A push plate 32 is arranged on the piston rod of the displacement cylinder 31. The push plate 32 is used to push the tooling device in the first tooling seat 26 into the second tooling seat 27 and the third tooling seat 28.

[0030] Please refer to Figure 4 The tooling device comprises a support 20 and a pair of clamps 21 arranged on the left and right sides of the support 20. An installation opening 22 is arranged on the top of the support 20. The two clamps 21 are hingedly arranged on the left and right sides of the installation opening 22. A limiting opening 23 is arranged in the middle of the installation opening 22. The rubber band is arranged in the limiting opening 23 and abuts against the outer end surfaces of the rubber band on the left and right sides by the one end of the two clamps 21 close to the limiting opening 23. The other end of the two clamps 21 is connected with the bottom of the installation opening 22 and is provided with a spring 24. The clamp 21 is flexibly pressed against one end of the rubber band under the elastic force of the spring 24. A clamping groove is arranged on the side wall of the support 20 and is used to be slidingly connected with the inner wall of the tooling sliding groove. The clamp 21 is pressed against the rubber band under the elastic force of the spring 24. In the same way, the other end of the clamp 21 away from the limiting opening 23 is pressed down to open the clamp 21 and take down the rubber band.

[0031] The conveying device is arranged in the rolling process section of the thimble production line. The tooling device is pushed into the first tooling seat 26 in the rotating upward state by the cylinder of the previous process in the production line. The first tooling seat 26 is rotated to the level state with the second tooling seat 27 by the turnover cylinder 30. Then the tooling device is pushed into the second tooling seat 27 by the displacement cylinder 31. At the same time, another tooling device which has completed the rolling work in the second tooling seat 27 is pushed into the third tooling seat 28 by the tooling device. Then the first tooling seat 26 and the third tooling seat 28 are synchronously rotated to the upward state by the turnover cylinder 30. Another cylinder in the production line pushes the tooling device in the third tooling seat 28 which has completed the rolling work to the next process. The first tooling seat 26 continues to fill the newly pushed tooling device to realize the cyclic conveying and continuous rolling work.

[0032] The tool 1 is in a vertical state when entering the rounding process, and the locking head part of the band is first subjected to a bending process before the rounding process, and is pre-bent to a certain arc.

[0033] Because the locking head part is perpendicular to the bottom of the active rounding tire mold 4, it is beneficial to correct the locking head part of the band 19 by the active rounding tire mold 4, and it is helpful to keep the round transition of the locking head and the band connection, so that the rounding of the band 19 is more round, and the vertical fixation of the clamp can effectively prevent the relative sliding between the band 19 and the active rounding tire mold 4 during the rounding process, thereby avoiding the uneven rounding or deformation caused by sliding.

[0034] The working principle of the embodiment is as follows:

[0035] The band 19 is fixed by the tool 1 and conveyed to above the moving seat 3, at this time the power assembly 7 drives the moving seat 3 to move to the required distance, and the straightening cylinder 16 drives the straightening member 17 to rise and contact the band 19 when the moving seat 3 is moving, so as to support and adjust the levelness of the band 19, prevent the band 19 from being skewed during rounding, and during rounding, with the movement of the moving seat 3, the active rounding tire mold 4 contacts the upper end of the band 19, then the auxiliary rounding tire mold 5 and the main rounding tire mold 6 are driven to rise by the auxiliary upper cylinder 12 and the main upper cylinder 13 respectively, and the lower end of the band 19 is contacted, so that the three tire molds can roll on the band 19, and the gears are engaged and transmitted, and the motor 8 synchronously drives the active rounding tire mold 4, the auxiliary rounding tire mold 5 and the main rounding tire mold 6 to rotate and roll the band 19, so that the band 19 is deformed and bent, and the deformation is along with the movement of the moving seat 3 until the root of the band 19. At this time, the rounding action of the band 19 is completed.

[0036] 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 make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims

1. A flexible banding hoop coiling machine characterized by: The device comprises a tool fixed with one end of a hoop, a base, a moving base, a main driven tire forming mold, an auxiliary tire forming mold and a main top tire forming mold, the moving base is movably arranged on the base and approaches or moves away from the tool under the driving of a power assembly, the main driven tire forming mold is rotatably arranged on the moving base and is driven to rotate by a motor, a pressing assembly is arranged on the moving base and is located at the side of the main driven tire forming mold, the auxiliary tire forming mold and the main top tire forming mold are both rotatably arranged on the pressing assembly, the pressing assembly drives the auxiliary tire forming mold and the main top tire forming mold to approach or move away from the main driven tire forming mold, and the main driven tire forming mold, the auxiliary tire forming mold and the main top tire forming mold jointly approach the hoop and clamp the hoop therebetween to perform a tire forming action in cooperation with the moving base.

2. The flexible band rounder of claim 1, wherein: The main driven tire forming mold and the auxiliary tire forming mold are synchronously and reversely rotated under the driving of the motor, a connecting shaft is arranged on the moving base and is in transmission connection with the motor, a first gear is sleeved on the connecting shaft, the main driven tire forming mold is installed on the connecting shaft, a second gear and a third gear are respectively sleeved on the rotating shafts of the auxiliary tire forming mold and the main top tire forming mold which are connected with the pressing assembly, and the second gear and the third gear are both in mesh with the first gear when the pressing assembly drives the auxiliary tire forming mold and the main top tire forming mold to approach the main driven tire forming mold, so that synchronous transmission is realized.

3. The flexible band rounder of claim 2, wherein: The main driven tire forming mold and the first gear are detachably installed on the connecting shaft.

4. The flexible band rounder of claim 1 or 2, wherein: The pressing assembly comprises an upper top base, an auxiliary upper top cylinder and a main upper top cylinder, the upper top base is fixedly arranged on the moving base and is located below the main driven tire forming mold, the auxiliary upper top cylinder and the main upper top cylinder are both arranged in the upper top base, the piston rod ends of the auxiliary upper top cylinder and the main upper top cylinder are respectively provided with an auxiliary support and a main top support, the auxiliary tire forming mold and the main top tire forming mold are rotatably arranged on the auxiliary support and the main top support respectively, the main driven tire forming mold, the auxiliary tire forming mold and the main top tire forming mold are located on the same plane, and the main top tire forming mold is located directly below the main driven tire forming mold, and the auxiliary tire forming mold is located below and at the side of the main driven tire forming mold.

5. The flexible band rounder of claim 4, wherein: A straightening cylinder is arranged at the side end of the upper top base close to the tool, a straightening piece is connected to the piston rod end of the straightening cylinder, and the straightening cylinder drives the straightening piece to approach and contact the hoop on the tool.

6. The flexible band rounder of claim 1, wherein: The power assembly comprises a belt transmission mechanism, the top surface of the moving base is provided with a guide rail, the moving base is slidably arranged on the guide rail, the belt transmission mechanism is installed on the base and a sliding block is arranged on the transmission belt of the belt transmission mechanism, and the sliding block is fixedly connected with the moving base, so that the belt transmission mechanism is used for driving the moving base to move horizontally along the guide rail.

7. The flexible band rounder of claim 1, wherein: Also include the conveying device located in the side of the base, the conveying device is equipped with a plurality of sequential conveying tooling, the conveying device includes a mounting seat, a first tooling seat, a second tooling seat and a third tooling seat, the first tooling seat, the second tooling seat and the third tooling seat are all provided with a work station groove for sliding connection of tooling, the second tooling seat is fixedly arranged in the middle of the mounting seat, the first tooling seat and the third tooling seat are hingedly assembled on the mounting seat and respectively located on the left and right sides of the second tooling seat, the first tooling seat and the third tooling seat are driven by the turnover cylinder to rotate at least 90°, the second tooling seat is located on the positive side of the driven coiling tire mold, and the work station groove thereof faces the base direction, the side of the mounting seat is equipped with a displacement cylinder, a push plate is arranged on the piston rod of the displacement cylinder, and the push plate is used to push the tooling in the first tooling seat into the second tooling seat and the third tooling seat.

8. The flexible band rounder of claim 7, wherein: The tooling includes a support and a pair of clamps respectively arranged on both sides of the support, the top of the support is provided with a mounting port, the two clamps are hingedly assembled on the left and right sides of the mounting port, the middle of the mounting port is provided with a limiting port, the belt is arranged in the limiting port and the one end of the belt close to the limiting port is respectively abutted on the outer end surface of the belt on both sides, the other end of the two clamps is connected with the bottom of the mounting port and is provided with a spring, the clamp compresses one end of the belt under the elastic force of the spring, and the side wall of the support is provided with a clamping groove for sliding connection with the inner wall of the work station groove.

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