Motor-driven connecting mechanism

Abstract

The utility model discloses a motor drive connecting mechanism which comprises a hydraulic motor, a transmission shaft, a bearing seat and a rotating roller, and further comprises a torsion arm and a buffer rod piece, the bearing seat comprises a seat body and a ring body, the ring body is fixedly arranged at the lower end of the seat body, a bearing is installed in the ring body, the transmission shaft penetrates through the bearing, and the transmission shaft penetrates through the torsion arm. One end of the torque arm is installed on the transmission shaft, and the other end of the torque arm is connected with the seat body through a buffering rod piece. The plate rolling device is simple in structure and capable of bearing torque, in the plate rolling process, reaction torque borne by the hydraulic motor changes along with output torque of the hydraulic motor on the year-on-year basis, the reaction torque borne by the hydraulic motor is borne by the torque arm, and meanwhile if the rotating roller deflects up and down due to the reverse acting force of the plate, the rotating roller can be driven to rotate. And the torque arm can buffer the acting force through the buffer rod piece, so that the pressure borne by the hydraulic motor is reduced, damage is reduced, and the service life is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor drive equipment technical field, more specifically, especially relate to a motor drive connecting mechanism BACKGROUND

[0002] In the industry such as the forming equipment of the ship coiling machine, the working characteristics of the equipment are: quick load reduction under no load, after the roller contacts the plate, the main oil cylinder is pressed to reduce a certain amount, the hydraulic motor is pressed to drive the roller to rotate, so that the plate is coiled and formed.

[0003] The hydraulic motor is a component for converting input pressure oil into rotary motion, has the characteristics of small volume, light weight, impact resistance and small inertia, since the hydraulic motor can be quickly and frequently started and has large torque transmission pulsation, the current connecting mechanism cannot transmit torque, and is easily damaged by the reverse force of the roller during use. UTILITY MODEL CONTENTS

[0004] The utility model discloses a motor drive connecting mechanism for transmitting and buffering the torque force of the hydraulic motor.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the technical scheme as follows: a motor drive connecting mechanism, comprising a hydraulic motor, a transmission shaft, a bearing seat and a roller, further comprising a torsion arm and a buffer rod piece, the bearing seat comprises a seat body and a ring body, the ring body is fixedly arranged at the lower end of the seat body, a bearing is installed in the ring body, the transmission shaft passes through the bearing, and the two ends of the transmission shaft are connected with the hydraulic motor and the roller respectively, one end of the torsion arm is installed on the transmission shaft, and the other end of the torsion arm is connected with the seat body through the buffer rod piece.

[0006] Preferably, the torsion arm comprises an integral structure of a pull plate and a sleeve ring, the sleeve ring is sleeved on the surface of the transmission shaft, and the pull plate is fixedly arranged on the upper part of the sleeve ring.

[0007] Preferably, the seat body is internally provided with a device cavity, an open slot is formed in one side of the seat body, and a partition plate is fixedly arranged between the open slot and the device cavity.

[0008] Preferably, the buffer rod piece comprises a swing rod, a sliding block, a first spring and a second spring, one end of the swing rod is detachably connected with the pull plate, a vertical sliding groove is formed in the surface of the partition plate, the sliding block is arranged in the device cavity, the other end of the swing rod passes through the sliding groove and is movably hinged with the sliding block, the first spring is arranged on the upper end and the lower end of the sliding block, and the second spring that is elastically contacted with the swing rod is fixedly arranged on the top and the bottom of the open slot.

[0009] Preferably, a rubber ring is arranged between the outer surface of the bearing and the inner wall of the ring body.

[0010] Preferably, bearing pressing covers are fixedly arranged on the two sides of the bearing.

[0011] Preferably, a rectangular port is arranged on the inner upper end of the pull plate, and a pressing plate is fixedly installed outside the rectangular port, and the swing rod is inserted into the rectangular port and fixedly connected with the pressing plate through bolts.

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

[0013] The utility model discloses simple structure can bear torque, in the process of rolling the plate material, the reaction torque that hydraulic motor bears also follows its output torque same ratio change, the reaction torque that hydraulic motor bears is born by torsion arm, and if the upper and lower deflection of the reverse force of the plate material to the rotating roller occurs, the torsion arm can buffer the force through the buffer rod piece, thereby reducing the pressure that hydraulic motor receives, reducing damage, prolonging the service life. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the following will briefly introduce the drawing needed to be used in the embodiment or prior art description, and obviously, the drawing in the following description is only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating creative labor.

[0015] Figure 1 It is a motor drive connecting mechanism of the utility model,

[0016] Figure 2 It is a sectional view of a motor drive connecting mechanism of the utility model,

[0017] Figure 3 It is Figure 2 The structure of A in the enlarged schematic view.

[0018] In the drawing: 1 hydraulic motor, 2 transmission shaft, 3 rotating roller, 4 bearing seat, 41 seat body, 411 opening groove, 412 partition, 413 device cavity, 414 sliding slot, 42 ring body, 43 bearing, 44 rubber ring, 5 torsion arm, 51 pull plate, 511 rectangular port, 512 pressing plate, 52 sleeve ring, 6 bearing gland, 7 buffer rod piece, 71 swing rod, 72 sliding block, 721 recess, 73 first spring, 74 second spring. DETAILED DESCRIPTION

[0019] The preferred embodiments of the utility model are described in detail below in combination with the drawings, so that the advantages and characteristics of the utility model can be more easily understood by those skilled in the art, and the protection scope of the utility model can be more clearly and explicitly defined.

[0020] Refer to Figures 1-3The utility model provides a motor drive connecting mechanism, including hydraulic motor 1, transmission shaft 2, bearing seat 4 and rotating roller 3, still including torsion arm 5 and buffer rod piece 7, bearing seat 4 includes seat body 41 and ring body 42, and ring body 42 is fixedly arranged in seat body 4 lower extreme, and bearing 43 is installed in ring body 42 inside, transmission shaft 2 passes through bearing 43, and transmission shaft 2 both ends are connected with hydraulic motor 1 and rotating roller 3 respectively, one end of torsion arm 5 is installed on transmission shaft 2, and the other end of torsion arm 5 is connected with seat body 41 through buffer rod piece 7.

[0021] In the embodiment, the torsion arm 5 includes a pull plate 51 and a sleeve ring 52, the sleeve ring 52 is sleeved on the surface of the transmission shaft 2, and the pull plate 51 is fixedly arranged on the upper portion of the sleeve ring 52. The torsion arm 5 can increase the stability of the transmission shaft 2, and can transmit torque, thereby reducing the reaction torque borne by the hydraulic motor 1.

[0022] Further, in order to facilitate the installation of the buffer rod piece 7, the seat body 41 is internally provided with a device cavity 413, and an open slot 411 is formed on one side of the seat body 41. The open slot 411 and the device cavity 413 are fixedly provided with a partition plate 412 therebetween.

[0023] In the embodiment, the buffer rod piece 7 includes a swing rod 71, a sliding block 72, a first spring 73 and a second spring 74. One end of the swing rod 71 is detachably connected with the pull plate 51. A vertical sliding groove 414 is formed on the surface of the partition plate 412. The sliding block 72 is arranged in the device cavity 413. The other end of the swing rod 71 passes through the sliding groove 414 and is movably hinged with the sliding block 72. The first spring 73 is arranged on the upper and lower ends of the sliding block 72. The second spring 74 is fixedly arranged on the top and bottom of the open slot 411 and elastically contacts the swing rod 71. When the rotating roller 3 is slightly shifted up and down due to the reverse force of the plate, the swing rod 71 is deflected. At this time, the first spring 73 and the second spring 74 can respectively provide a reaction force to the sliding block 72 and the swing rod 71, thereby playing a buffering role.

[0024] Further, in order to avoid damage to the bearing 43 when the transmission shaft 2 is deflected under pressure, a rubber ring 44 is arranged between the outer surface of the bearing 43 and the inner wall of the ring body 42.

[0025] In order to avoid displacement of the bearing 43, bearing pressing rings 6 are fixedly arranged on both sides of the bearing 43.

[0026] Further, for the convenience of mounting and dismounting the swing lever 71, in the embodiment, a rectangular port 511 is formed at the upper end position of the inner side of the pull plate 51, a pressing plate 512 is fixedly installed outside the rectangular port 511, one end of the swing lever 71 is inserted into the rectangular port 11, the cross-sectional dimension of the swing lever 71 corresponds to the cross-sectional dimension of the rectangular port 11, and the swing lever 71 is fixedly connected with the pressing plate 512 through bolts.

[0027] The specific operation steps are as follows: before the plate rolling machine rolls the plate, the hydraulic motor 1 does not work; when the plate rolling machine rolls the plate, the hydraulic motor 1 starts to rotate by filling pressure oil through the hydraulic pump, and simultaneously drives the rotating roller 3 to rotate to roll the plate through the spline; in the process of rolling the plate, the reaction torque borne by the hydraulic motor 1 also changes proportionally with the output torque of the hydraulic motor 1, and the reaction torque borne by the hydraulic motor 1 is borne by the torque arm 2, and simultaneously, if the rotating roller 3 is deflected up and down due to the reverse force of the plate, the torque arm 5 can buffer the force through the buffer rod 7, so as to reduce the pressure borne by the hydraulic motor 1 and reduce the damage.

[0028] Although the embodiments of the present application are described in combination with the drawings, the patent owner can make various modifications or changes within the scope of the appended claims, as long as they are within the protection scope described in the claims of the present application, and should be within the protection scope of the present application.

Claims

1. A motor driven connection mechanism comprising a hydraulic motor, a transmission shaft, a bearing seat and a rotating roller, characterized in that: The torsion arm and the buffer rod are further included, the bearing seat comprises a seat body and a ring body, the ring body is fixedly arranged at the lower end of the seat body, a bearing is arranged in the ring body, the transmission shaft passes through the bearing, and the transmission shaft is connected with the hydraulic motor and the rotating roller at two ends respectively, one end of the torsion arm is arranged on the transmission shaft, and the other end of the torsion arm is connected with the seat body through the buffer rod.

2. A motor drive coupling mechanism according to claim 1, wherein: The torsion arm comprises a pull plate and a sleeve ring in an integrated structure, the sleeve ring is sleeved on the surface of the transmission shaft, and the pull plate is fixedly arranged on the upper portion of the sleeve ring.

3. A motor drive coupling mechanism according to claim 2, wherein: The seat body is internally provided with a device cavity, an open slot is arranged on one side of the seat body, and a partition plate is fixedly arranged between the open slot and the device cavity.

4. A motor drive coupling mechanism according to claim 3, wherein: The buffer rod comprises a swing rod, a sliding block, a first spring and a second spring, one end of the swing rod is detachably connected with the pull plate, a vertical sliding slot is formed on the surface of the partition plate, the sliding block is arranged in the device cavity, the other end of the swing rod passes through the sliding slot and is movably hinged with the sliding block, the first spring is arranged at the upper end and the lower end of the sliding block, and the second spring is fixedly arranged on the top and the bottom of the open slot and elastically contacts the swing rod.

5. A motor drive coupling mechanism according to claim 1, wherein: A rubber ring is arranged between the outer surface of the bearing and the inner wall of the ring body.

6. A motor drive coupling mechanism according to claim 1, wherein: Bearing pressing covers are fixedly arranged on both sides of the bearing.

7. A motor drive coupling mechanism according to claim 4, wherein: A rectangular opening is formed at the upper end of the inner side of the pull plate, a pressing plate is fixedly arranged outside the rectangular opening, one end of the swing rod is inserted into the rectangular opening, and the swing rod is fixedly connected with the pressing plate through bolts.

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