Pipe bending mechanism of cable protection pipe bending machine

Abstract

The utility model discloses a pipe bending mechanism of a cable protection pipe bending machine, which comprises a pipe bending module and a limit component, the pipe bending module comprises a pipe bending die body, and at least a first pipe bending seat and a second pipe bending seat are formed on the front end face of the pipe bending die body. A plurality of concave pipe bending grooves of different specifications are formed in the periphery of the first pipe bending base and the periphery of the second pipe bending base correspondingly, the limiting assembly comprises a fixing frame arranged below the pipe bending module, and a first pipe limiting wheel set and a second pipe limiting wheel set are arranged on the fixing frame. The second pipe limiting wheel set is connected to the fixing frame in a turnover mode, the fixing frame is further provided with a pipe clamping assembly corresponding to the first pipe bending base, the pipe bending grooves suitable for the pipes of various specifications are formed in the pipe bending module, and when the specifications of the pipes are changed, the pipe bending module does not need to be disassembled and assembled.

Description

Technical Field

[0001] The utility model belongs to the technical field of cables, and particularly relates to a pipe bending mechanism of a cable protection pipe bender. Background Art

[0002] When installing a cable, it is necessary to bend the external protection pipe fittings at the corner so that they can be installed in a matching manner. The existing cable protection pipe fitting bender includes a frame, a pipe bending module is arranged on the frame, and the pipe bending module is connected with a module driving device. The defects of the existing cable protection pipe fitting bender are that the specifications of the cable pipes suitable for the pipe bending module are relatively single. When the specifications of the cable protection pipe fittings to be bent are changed, the corresponding pipe bending module needs to be replaced, and the operation is relatively troublesome. Content of the Utility Model

[0003] Aiming at the problems mentioned in the background art, the purpose of the utility model is to provide a pipe bending mechanism of a cable protection pipe bender to solve the problems existing in the prior art.

[0004] The above technical purpose of the utility model is achieved through the following technical solutions:

[0005] A pipe bending mechanism of a cable protection pipe bender includes a pipe bending module and a limiting component. The pipe bending module includes a pipe bending die body. At least a first pipe bending seat and a second pipe bending seat are formed on the front end face of the pipe bending die body. A plurality of concave pipe bending grooves with different specifications are formed on the outer peripheries of the first pipe bending seat and the second pipe bending seat. A first pipe fitting clamping seat and a second pipe fitting clamping seat are respectively detachably connected to the ends of the first pipe bending seat and the second pipe bending seat, and the first ends of the pipe fittings placed in the corresponding pipe bending grooves are clamped by the first pipe fitting clamping seat and the second pipe fitting clamping seat; a driving mechanism connecting piece is arranged on the rear end face of the pipe bending die body for connecting the pipe bending die body with the driving mechanism, and a through mounting hole is arranged in the middle of the pipe bending die body; the limiting component includes a fixed frame arranged below the pipe bending module. A first pipe fitting limiting wheel group and a second pipe fitting limiting wheel group are arranged on the fixed frame, and the second pipe fitting limiting wheel group is rotatably connected to the fixed frame. A pipe fitting clamping component corresponding to the first pipe bending seat is also arranged on the fixed frame, and the second end of the pipe fitting is clamped in the pipe bending groove of the first pipe bending seat through the pipe fitting clamping component; the limiting component and the pipe bending module cooperate to limit one end of the pipe fitting to be bent.

[0006] Preferably, both the first pipe fitting clamping seat and the second pipe fitting clamping seat include a seat body, and hooks corresponding to the respective pipe bending grooves are arranged on the seat body.

[0007] In this application, both the first pipe fitting clamping seat and the second pipe fitting clamping seat are respectively fixedly connected to the ends of the first pipe bending seat and the second pipe bending seat through bolts.

[0008] Preferably, the fixing bracket includes two oppositely arranged V-shaped fixing plates. One end of the two V-shaped fixing plates is fixed to one side of the frame by screws. A connecting plate is connected to the other end of the two fixing plates. A first limiting sleeve is arranged on the connecting plate. A second limiting sleeve is arranged on the corresponding other side of the frame. The first limiting sleeves and the second limiting sleeves are arranged in a pairwise crossed manner. A limiting pin is further included. The limiting pin passes through the pairwise crossed first limiting sleeves and the second limiting sleeves to fix the two V-shaped fixing plates on the frame.

[0009] Preferably, the first pipe fitting limiting wheel set includes a plurality of first limiting wheels arranged on the fixing bracket. The plurality of first limiting wheels correspond to the pipe bending grooves on the first pipe bending seat one by one. When the second end of the pipe fitting is placed in the first limiting wheel, the first end of the pipe fitting is placed in the hook at the front end of the corresponding pipe bending groove on the first pipe bending seat. The second pipe fitting limiting wheel set includes a frame body flip-connected to the connecting plate. A plurality of second limiting wheels are arranged on the frame body. The plurality of second limiting wheels correspond to the pipe bending grooves on the second pipe bending seat one by one.

[0010] Preferably, a rotating shaft is arranged on the connecting plate. The frame body is rotatably connected to the rotating shaft through a connecting sleeve.

[0011] When the second limiting wheel set is not in use, the frame body can be flipped down so as not to be obstructed during pipe bending.

[0012] Preferably, the pipe fitting clamping assembly includes a rotating shaft connected to the fixing bracket. A plurality of swing rods are fixedly connected to the rotating shaft. A clamping wheel set is hinged between the tops of every two swing rods. Each clamping wheel set corresponds to the pipe bending groove on the first pipe bending seat one by one. A return spring is arranged between the clamping wheel set and the rotating shaft. By arranging the return spring, the clamping wheel set can return by itself.

[0013] In this application, the first pipe fitting limiting wheel set corresponds to pipe fittings with larger bending dimensions. By cooperating with the arranged pipe fitting clamping assembly, the first end of the pipe fitting can be better fixed, making the pipe bending more stable.

[0014] Preferably, an operating handle is fixed to the outer end of the rotating shaft.

[0015] Press down the operating handle, and the clamping wheel set can be close to the first pipe bending seat to clamp the pipe fitting.

[0016] In summary, the utility model mainly has the following beneficial effects:

[0017] The pipe bending module in this application is provided with pipe bending grooves suitable for various specifications of pipe fittings. When the pipe fitting specifications are changed, there is no need to disassemble and assemble the pipe bending module. In addition, cooperating with the limiting assembly can make the pipe bending more stable, and the second limiting wheel set can be flipped when not in use, without occupying space. Description of the Drawings

[0018] Figure 1 is the structural schematic diagram of the present utility model;

[0019] Figure 2 is the structural schematic diagram of the frame of the present utility model;

[0020] Figure 3 is Figure 2 the structural schematic diagram in another direction;

[0021] Figure 4 is the internal structural schematic diagram of the frame of the present utility model;

[0022] Figure 5 is the internal structural schematic diagram of the frame of the present utility model in another direction;

[0023] Figure 6 is the structural schematic diagram of the tension pulley installation of the present utility model;

[0024] Figure 7 is the structural schematic diagram of the large sprocket installation of the present utility model;

[0025] Figure 8 is the structural schematic diagram of the limit component of the present utility model;

[0026] Figure 9 is Figure 8 the structural schematic diagram in another direction;

[0027] Figure 10 is Figure 9 the enlarged structural schematic diagram of A;

[0028] Figure 11 is the structural schematic diagram of the bent pipe module of the present utility model;

[0029] Figure 12 is Figure 11 the structural schematic diagram in another direction;

[0030] Figure 13 is the structural schematic diagram of the pipe clamping component of the present utility model. Detailed implementation manners

[0031] Embodiment

[0032] Referring to Figures 1 to 13 , this embodiment details the structure of the pipe bending mechanism of a cable protection pipe bender of the present application after being installed on the equipment; specifically:

[0033] It includes a frame which consists of a main support frame 100. A limit component mounting part 101 is arranged on the main support frame. A bent pipe module mounting frame 102 is also arranged on the main support frame. A bent pipe module driving component is arranged on the bent pipe module mounting frame, and the bent pipe module driving component is drivingly connected to a bent pipe module 200. A limit component 201 is arranged on the limit component mounting part, and the limit component cooperates with the bent pipe module to limit one end of the pipe to be bent. A moving wheel component 103 is arranged at the bottom of the main support frame. The moving wheel component is provided to facilitate the movement of the pipe bender.

[0034] Specifically, the main support frame 100 includes two relatively arranged support bodies 104. The rear ends of the two support bodies extend backward to form moving wheel component mounting plates 105. The moving wheel component includes moving wheels 106 arranged on the two moving wheel component mounting plates. The bent pipe module mounting frame includes an external frame body 107 that spans and connects the two support bodies. A front panel 108 and a rear panel 109 are respectively arranged on the front and rear of the external frame body. A transverse main beam 110 is arranged inside the external frame. A main shaft 111 is arranged on the transverse main beam, and the main shaft penetrates through the front panel and the rear panel. The bent pipe module driving component includes a driving motor 112, and the output shaft end of the driving motor is drivingly connected to a gearbox 113. A first sprocket 114 is arranged at the output end of the gearbox. A lower fixed plate 115 is arranged inside the external frame body. A sprocket shaft seat 116 is fixedly arranged through the lower fixed plate. A sprocket welding shaft 117 is rotatably sleeved inside the sprocket shaft seat. A second sprocket 118 and a third sprocket 119 are respectively fixedly connected to both ends of the sprocket welding shaft. The first sprocket and the second sprocket are drivingly connected through a first chain (not shown). A large sprocket welding sleeve 120 is sleeved outside the main shaft, and the large sprocket welding sleeve is rotatable relative to the main shaft. A large sprocket 121 is fixedly connected to the large sprocket welding sleeve. The third sprocket and the large sprocket are drivingly connected through a second chain. In this application, an installation frame body 122 for placing the gearbox is fixedly arranged on the rear panel, and the gearbox is installed inside the installation frame body. A connecting plate 123 is fixedly connected to the lower fixed plate. A fixed shaft 124 is arranged on the connecting plate, and a tensioning wheel 126 is connected to the fixed shaft through a bolt 125.

[0035] During installation, the tensioning wheel is arranged on the inner side of the second chain. During adjustment, the tension of the second chain can be adjusted by simply adjusting the angle of the tensioning wheel.

[0036] It further includes a side pusher. The side pusher includes two first U-shaped frames 127. One side end of the first U-shaped frame is fixedly connected to the transverse main beam, and the other side end is fixedly connected to the moving wheel component mounting plate. A top handrail is arranged at the top of the rear panel. The top handrail includes a second U-shaped frame 128. The two ends of the second U-shaped frame extend downward to form vertical connecting rods 129, and the connecting rods are fixedly connected to the rear panel.

[0037] The elbow bending module includes an elbow bending die body 202. On the front end face of the elbow bending die body, at least a first elbow bending seat 203 and a second elbow bending seat 204 are formed. On the outer peripheries of the first elbow bending seat and the second elbow bending seat, a number of concave elbow bending grooves 205 of different specifications are formed. At the ends of the first elbow bending seat and the second elbow bending seat, a first pipe fitting clamping seat 206 and a second pipe fitting clamping seat 207 are detachably connected respectively, and the first ends of the pipe fittings placed in the corresponding elbow bending grooves are clamped by the first pipe fitting clamping seat and the second pipe fitting clamping seat; on the rear end face of the elbow bending die body, a driving mechanism connecting piece is provided for connecting the elbow bending die body with the driving mechanism, and a through mounting hole 211 is provided in the middle of the elbow bending die body.

[0038] In this application, a connecting seat 208 is integrally formed on the rear end face of the elbow bending die body. A connecting hole 209 is provided on the connecting seat, and a connecting hole 210 is provided on the large sprocket. The elbow bending die body is fixed on the large sprocket by connecting the connecting hole with the connecting seat through a bolt; a through mounting hole in the middle of the elbow bending die body passes through the large sprocket welding sleeve, and a main shaft cap is threadedly connected to the front end of the large sprocket welding sleeve. Both the first pipe fitting clamping seat and the second pipe fitting clamping seat include a seat body 212, and hooks 213 corresponding to the respective elbow bending grooves are provided on the seat body. In this application, both the first pipe fitting clamping seat and the second pipe fitting clamping seat are respectively fixedly connected to the ends of the first elbow bending seat and the second elbow bending seat by bolts.

[0039] The limiting component includes a fixing frame detachably connected to the support main body. A first pipe fitting limiting wheel set and a second pipe fitting limiting wheel set are arranged on the fixing frame. The second pipe fitting limiting wheel set is rotatably connected to the fixing frame. A pipe fitting clamping component 214 corresponding to the first elbow seat is also arranged on the fixing frame. The second end of the pipe fitting is clamped in the elbow groove of the first elbow seat through the pipe fitting clamping component. The fixing frame includes two oppositely arranged V-shaped fixing plates 215. One ends of the two V-shaped fixing plates are fixed to the support main body on one side by screws. A connecting plate 216 is connected to the other ends of the two fixing plates. A first limiting sleeve 217 is arranged on the connecting plate. A second limiting sleeve 218 is arranged on the corresponding support main body on the other side. The first limiting sleeves and the second limiting sleeves are arranged in a crosswise pattern. A limiting pin 219 is further included. The limiting pin passes through the crosswise arranged first limiting sleeves and second limiting sleeves to fix the two V-shaped fixing plates on the main support frame. The first pipe fitting limiting wheel set includes a plurality of first limiting wheels 220 arranged on the fixing frame. The plurality of first limiting wheels correspond to the elbow grooves on the first elbow seat one by one. When the second end of the pipe fitting is placed in the first limiting wheels, the first end of the pipe fitting is placed in the hook at the front end of the elbow groove of the corresponding first elbow seat. The second pipe fitting limiting wheel set includes a frame body 221 rotatably connected to the connecting plate. A plurality of second limiting wheels 222 are arranged in a row on the frame body. The plurality of second limiting wheels correspond to the elbow grooves on the second elbow seat one by one. A rotating shaft 223 is arranged on the connecting plate. The frame body is rotatably connected to the rotating shaft through a connecting sleeve 224. When the second limiting wheel set is not in use, the frame body can be rotated down so as not to interfere with the elbow bending. The pipe fitting clamping component includes a rotating shaft 225 connected to the fixing frame. A plurality of swing rods 226 are fixedly connected to the rotating shaft. A clamping wheel set 227 is hinged between the tops of two swing rods. Each clamping wheel set corresponds to the elbow groove on the first elbow seat one by one. A return spring 228 is arranged between the clamping wheel set and the rotating shaft. By arranging the return spring, the clamping wheel set can return automatically. In this application, the first pipe fitting limiting wheel set corresponds to the pipe fitting with a larger bending size. By cooperating with the arranged pipe fitting clamping component, the first end of the pipe fitting can be fixed better, making the elbow bending more stable. An operating handle 229 is fixed to the outer end of the rotating shaft. Pressing down the operating handle can bring the clamping wheel set closer to the first elbow seat to clamp the pipe fitting.

[0040] The above is only the preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions falling within the idea of the present invention belong to the protection scope of the present invention. It should be noted that for those of ordinary skill in the art in this technical field, several improvements and refinements made without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. The pipe bending mechanism of a cable protection pipe bender, characterized in that: It includes a bent pipe module and a limiting component. The bent pipe module includes a bent pipe die body. At least a first bent pipe seat and a second bent pipe seat are formed on the front end face of the bent pipe die body. A number of concave bent pipe grooves with different specifications are formed on the outer circumferences of the first bent pipe seat and the second bent pipe seat. A first pipe fitting clamping seat and a second pipe fitting clamping seat are respectively detachably connected to the ends of the first bent pipe seat and the second bent pipe seat, and the first ends of the pipe fittings placed in the corresponding bent pipe grooves are clamped by the first pipe fitting clamping seat and the second pipe fitting clamping seat; a driving mechanism connecting piece is arranged on the rear end face of the bent pipe die body for connecting the bent pipe die body with the driving mechanism, and a through mounting hole is arranged in the middle of the bent pipe die body; the limiting component includes a fixing frame arranged below the bent pipe module. A first pipe fitting limiting wheel group and a second pipe fitting limiting wheel group are arranged on the fixing frame, and the second pipe fitting limiting wheel group is rotatably connected to the fixing frame. A pipe fitting clamping component corresponding to the first bent pipe seat is also arranged on the fixing frame, and the second end of the pipe fitting is clamped in the bent pipe groove of the first bent pipe seat by the pipe fitting clamping component; the limiting component cooperates with the bent pipe module to limit one end of the pipe fitting to be bent.

2. The pipe bending mechanism of a cable protection pipe bender according to claim 1, characterized in that: Both the first pipe fitting clamping seat and the second pipe fitting clamping seat include a seat body, and hooks corresponding to each bent pipe groove are arranged on the seat body.

3. The pipe bending mechanism of a cable protection pipe bender according to claim 1, characterized in that: The fixing frame includes two oppositely arranged V-shaped fixing plates. One ends of the two V-shaped fixing plates are fixed on one side of the machine frame by screws. A connecting plate is connected to the other ends of the two fixing plates. A first limiting sleeve is arranged on the connecting plate, and a second limiting sleeve is arranged on the corresponding other side of the machine frame. The first limiting sleeves and the second limiting sleeves are arranged in a pairwise cross arrangement. A limiting pin is also included. The limiting pin passes through the pairwise cross-arranged first limiting sleeves and second limiting sleeves to fix the two V-shaped fixing plates on the machine frame.

4. The pipe bending mechanism of a cable protection pipe bender according to claim 1, characterized in that: The first pipe fitting limiting wheel group includes a number of first limiting wheels arranged on the fixing frame, and the number of the first limiting wheels corresponds to the bent pipe grooves on the first bent pipe seat one by one; when the second end of the pipe fitting is placed in the first limiting wheels, the first end of the pipe fitting is placed in the hook at the front end of the corresponding bent pipe groove of the first bent pipe seat; the second pipe fitting limiting wheel group includes a frame body rotatably connected to the connecting plate, and a number of second limiting wheels are arranged in a row on the frame body, and the number of the second limiting wheels corresponds to the bent pipe grooves on the second bent pipe seat one by one.

5. The pipe bending mechanism of a cable protection pipe bender according to claim 1, characterized in that: A rotating shaft is arranged on the connecting plate, and the frame body is rotatably connected to the rotating shaft through a connecting sleeve.

6. The bending mechanism of a cable protection pipe bender according to claim 1, characterized in that: The pipe fitting clamping component includes a rotating shaft connected to the fixing frame, and a number of swing rods are fixedly connected to the rotating shaft. A clamping wheel group is hinged between the tops of every two swing rods; each clamping wheel group corresponds to the bent pipe grooves on the first bent pipe seat one by one, and a return spring is arranged between the clamping wheel group and the rotating shaft.

7. The bending mechanism of a cable protection pipe bender according to claim 1, characterized in that: An operating handle is fixed on the outer end of the rotating shaft.

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