Pipe grinding machine

Abstract

The utility model discloses a pipe grinding machine which comprises a machine table, a grinding mechanism, a transverse moving mechanism and a rotating mechanism. A bearing table is arranged on the upper surface of the machine table, and a limiting groove with a V-shaped cross section is formed in the bearing table; the grinding mechanism comprises a support, a driving roller, a first driven roller, a second driven roller and a friction belt, and the second driven roller can horizontally move on the support so as to adjust the inclination angle of the grinding interval; the transverse moving mechanism is fixed to the machine table, the grinding mechanism is connected with the transverse moving mechanism, and the transverse moving mechanism is used for driving the grinding mechanism to reciprocate in the length direction of the machine table. The rotating mechanism is fixedly installed at one end of the machine table and used for installing a pipe fitting and driving the pipe fitting to pivot. The whole pipe fitting placed on the machine table can be ground through the grinding mechanism capable of moving transversely; and the inclination angle of the polishing section is adjusted through a movable second driven roller, so that the pipe fitting polishing device can adapt to pipe fittings with different diameters, and the outer walls of the pipe fittings with different diameters are polished.

Description

Technical Field

[0001] The utility model relates to the field of grinding equipment, in particular to a pipe grinding machine. Background Art

[0002] At present, in the field of pipe processing, the outer surface of cylindrical pipes needs to be polished, but the polishing of pipes is difficult. The traditional processing method requires the center of the pipe to be fixed and then its surface is polished. The key is polished manually using a polishing head or sandpaper, and the polishing effect is poor and the efficiency is low. For example, the invention patent with application number CN202011303013.8 discloses a pipe polishing device, which fixes the pipe to be polished by a fixing device, and adjusts the grinding mechanism for polishing the pipe to a suitable polishing position by an adjustment mechanism, so that the grinding mechanism can polish the pipe to a preset effect. The polishing device cannot actively polish the entire pipe, and cannot adapt to pipes of different diameters for loading, resulting in low efficiency. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides a pipe grinding machine that can actively grind the surface of the entire pipe, adapt to pipes of different diameters, and grind the outer walls of pipes of different diameters.

[0004] According to the first embodiment of the utility model, the pipe grinding machine includes a machine table, a grinding mechanism, a transverse movement mechanism and a rotating mechanism; a support table is provided on the upper surface of the machine table, and the support table is provided with a limit groove with a V-shaped cross-section; the grinding mechanism includes a bracket, a driving roller, a first driven roller, a second driven roller and a friction belt, the driving roller is fixedly connected to a rotating motor, the driving roller, the first driven roller and the second driven roller are pivotally mounted on the bracket, the driving roller, the first driven roller and the second driven roller are arranged in a triangle, and the friction belt is wound around It is arranged outside the active roller, the first driven roller and the second driven roller to form a grinding area between the first driven roller and the second driven roller, wherein the second driven roller can translate on the bracket to adjust the inclination angle of the grinding area; the transverse movement mechanism is fixed on the machine table, the grinding mechanism is connected to the transverse movement mechanism, and the transverse movement mechanism is used to drive the grinding mechanism to reciprocate along the length direction of the machine table; the rotating mechanism is fixedly installed at one end of the machine table, and the rotating mechanism is used to install the pipe fittings and drive the pipe fittings to pivot.

[0005] The tube grinding machine according to the embodiment of the utility model has at least the following beneficial effects:

[0006] 1. The entire pipe placed on the machine can be polished through the transversely movable grinding mechanism;

[0007] 2. By adjusting the inclination angle of the grinding zone through the movable second driven roller, pipes of different diameters can be adapted and the outer walls of pipes of different diameters can be ground.

[0008] According to some embodiments of the utility model, the supporting platform is provided with two inclined plates, which are arranged opposite to each other to construct the limiting groove, and the inclined plates are rotatably connected to the supporting platform, wherein the inclined plates can pivot around a fixed axis on the supporting platform.

[0009] According to some embodiments of the utility model, the bracket is provided with an arc-shaped slide groove, the second driven roller is rotatably connected with a rotating shaft, the rotating shaft is inserted into the slide groove and can slide along the slide groove, the end of the rotating shaft away from the second driven roller is provided with a threaded portion, the threaded portion is sleeved with a fastening nut, the end of the rotating shaft close to the second driven roller is fixedly connected with a fixing block, the fixing block and the fastening nut are respectively abutted against two sides of the bracket to fix the position of the rotating shaft.

[0010] According to some embodiments of the utility model, the transverse movement mechanism includes a sliding rod and a slider, the bracket and the slider are fixedly connected, the sliding rod is fixed on the machine platform along the length direction of the machine platform, and the slider is slidably connected to the sliding rod and can slide along the sliding rod.

[0011] According to some embodiments of the utility model, the rotating mechanism includes a driving motor and a fixing clamp, the fixing clamp is fixedly connected to the output end of the driving motor, and the fixing clamp is driven to pivot by the driving motor, and the fixing clamp is used to be detachably connected to the pipe fitting.

[0012] According to some embodiments of the present utility model, the transverse movement mechanism is provided with a plurality of the grinding mechanisms.

[0013] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The present invention is further described below with reference to the accompanying drawings and embodiments, wherein:

[0015] Figure 1 A schematic diagram of a tube grinding machine according to an embodiment of the utility model;

[0016] Figure 2 for Figure 1 An enlarged view of part A;

[0017] Figure 3It is a schematic diagram of the grinding mechanism of the tube grinding machine according to an embodiment of the utility model.

[0018] 100, machine platform; 110, supporting platform; 120, inclined plate; 121, limiting groove;

[0019] 200, grinding mechanism; 210, bracket; 211, slideway; 220, driving roller; 230, first driven roller; 240, second driven roller; 241, rotating shaft; 242, fixing block; 243, fastening nut; 250, friction belt;

[0020] 300, transverse movement mechanism; 310, slide bar; 320, slide block;

[0021] 400, rotating mechanism; 410, driving motor; 420, fixing fixture; DETAILED DESCRIPTION

[0022] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0023] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0024] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0025] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0026] Reference Figures 1 to 3The tube grinding machine of the utility model embodiment includes a machine table 100, a grinding mechanism 200, a traverse mechanism 300 and a rotation mechanism 400; a support table 110 is provided on the upper surface of the machine table 100, and the support table 110 is provided with a limit groove 121 with a V-shaped cross section; the grinding mechanism 200 includes a bracket 210, a driving roller 220, a first driven roller 230, a second driven roller 240 and a friction belt 250, the driving roller 220 is fixedly connected to a rotating motor, the driving roller 220, the first driven roller 230 and the second driven roller 240 can be pivotally installed on the bracket 210, and the driving roller 220, the first driven roller 230 and the second driven roller 240 are V-shaped. The friction belt 250 is arranged in a triangle, and is wound around the driving roller 220, the first driven roller 230 and the second driven roller 240 to form a grinding zone between the first driven roller 230 and the second driven roller 240, wherein the second driven roller 240 can translate on the bracket 210 to adjust the inclination angle of the grinding zone; the transverse movement mechanism 300 is fixed on the machine table 100, and the grinding mechanism 200 is connected to the transverse movement mechanism 300, and the transverse movement mechanism 300 is used to drive the grinding mechanism 200 to reciprocate along the length direction of the machine table 100; the rotating mechanism 400 is fixedly installed at one end of the machine table 100, and the rotating mechanism 400 is used to install the pipe fittings and drive the pipe fittings to pivot.

[0027] In actual use, the following steps are involved:

[0028] Step 1: fix one end of the pipe fitting to the rotating mechanism 400, and place the pipe fitting on a plurality of limiting grooves 121 to constrain the position of the pipe fitting;

[0029] Step 2: Adjust the position of the second driven roller 240 so that the grinding area on the friction belt 250 fits the outer wall of the pipe;

[0030] Step 3: The rotating mechanism 400 is used to drive the pipe to pivot, so that the circumference of the pipe can abut against the grinding area;

[0031] Step 4: The grinding mechanism 200 is driven by the traverse mechanism 300 to move along the length direction of the machine table 100, and the surface of the entire pipe is ground;

[0032] Step 5: After grinding the surface of the entire pipe, stop the rotating mechanism 400, the transverse movement mechanism 300 and the rotating motor, and take out the pipe.

[0033] In summary, by adjusting the inclination angle of the grinding zone through the movable second driven roller 240, pipes with different diameters can be adapted and the outer walls of pipes with different diameters can be ground.

[0034] Preferably, the transverse movement mechanism 300 is provided with a plurality of grinding mechanisms 200, and the plurality of grinding mechanisms 200 reciprocate along the length direction of the pipe fitting, and cooperate with the pivoting pipe fitting to grind the surface of the pipe fitting more quickly.

[0035] Specifically, in some embodiments, the support platform 110 is provided with two inclined plates 120, which are arranged opposite to each other to form a limit groove 121. The inclined plates 120 and the support platform 110 are rotatably connected, wherein the inclined plates 120 can pivot around a fixed axis on the support platform 110. The inclined plates 120 can be adjusted to different inclination angles to support pipes of different diameters, ensuring that the pipes can be stably supported on the machine 100. Specifically, in order to constrain the position of the inclined plates 120, a stepper motor can be fixedly connected to the bottom of the inclined plates 120, and the output shaft of the stepper motor is the fixed axis of rotation of the inclined plates 120, and the self-locking function of the stepper motor is used to achieve the purpose of fixing the inclined plates 120.

[0036] In some embodiments, the bracket 210 is provided with an arc-shaped slide groove 211, and the second driven roller 240 is rotatably connected to a rotating shaft 241. The rotating shaft 241 is inserted into the slide groove 211 and can slide along the slide groove 211. A threaded portion is provided at one end of the rotating shaft 241 away from the second driven roller 240, and a fastening nut 243 is sleeved on the threaded portion. A fixing block 242 is fixedly connected to one end of the rotating shaft 241 close to the second driven roller 240, and the fixing block 242 and the fastening nut 243 are respectively abutted against two sides of the bracket 210 to fix the position of the rotating shaft 241. In actual use, the rotating shaft 241 slides on the slide groove 211 to adjust the position of the second driven roller 240. Specifically, the fixing block 242 is first abutted against one side of the bracket 210, and then the fastening nut 243 is rotated to make the fastening nut 243 close to the bracket 210 and clamped on the bracket 210 with the fixing block 242, so as to use friction to prevent the second driven roller 240 from deviating.

[0037] Preferably, the transverse mechanism 300 includes a slide bar 310 and a slider 320, the bracket 210 and the slider 320 are fixedly connected, the slide bar 310 is fixed on the machine platform 100 along the length direction of the machine platform 100, and the slider 320 is slidably connected to the slide bar 310 and can slide along the slide bar 310. The sliding between the slider 320 and the slide bar 310 can be achieved through a screw hole matching structure. Specifically, the transverse mechanism 300 also includes a screw balanced with the slide bar 310, the screw passes through the bracket 210, and the bracket 210 is provided with a screw hole engaged with the screw. When the screw rotates, the slider 320 can move on the slide bar 310. Specifically, the screw can be driven by a motor.

[0038] Preferably, the rotating mechanism 400 includes a driving motor 410 and a fixing fixture 420. The fixing fixture 420 is fixedly connected to the output end of the driving motor 410, and the fixing fixture 420 is driven by the driving motor 410 to pivot. The fixing fixture 420 is used to be detachably connected to the pipe. The fixing fixture 420 is a technical means commonly used by those skilled in the art to clamp the pipe, which will not be described in detail here. The fixing fixture 420 can be used to fix the pipe so that the pipe can rotate as the output end of the driving motor 410 rotates.

[0039] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A tube grinding machine, characterized in that: include: A machine platform (100) is provided with a supporting platform (110) on its upper surface, and the supporting platform (110) is provided with a limiting groove (121) with a V-shaped cross section; The grinding mechanism (200) comprises a bracket (210), a driving roller (220), a first driven roller (230), a second driven roller (240) and a friction belt (250), wherein the driving roller (220) is fixedly connected to a rotating motor, the driving roller (220), the first driven roller (230) and the second driven roller (240) are pivotally mounted on the bracket (210), and the driving roller (220), the first driven roller (230) and the second driven roller (240) are pivotally mounted on the bracket (210). The first driven roller (230) and the second driven roller (240) are arranged in a triangle, and the friction belt (250) is wound around the driving roller (220), the first driven roller (230) and the second driven roller (240) so that a grinding area is formed between the first driven roller (230) and the second driven roller (240), wherein the second driven roller (240) can translate on the bracket (210) to adjust the inclination angle of the grinding area; A transverse movement mechanism (300) is fixed on the machine platform (100), the polishing mechanism (200) is connected to the transverse movement mechanism (300), and the transverse movement mechanism (300) is used to drive the polishing mechanism (200) to reciprocate along the length direction of the machine platform (100); The rotating mechanism (400) is fixedly mounted on one end of the machine platform (100), and the rotating mechanism (400) is used to install the pipe fitting and drive the pipe fitting to pivot.

2. The tube grinding machine according to claim 1, characterized in that: The support platform (110) is provided with two inclined plates (120), which are arranged opposite to each other to form the limiting groove (121), and the inclined plates (120) are rotatably connected to the support platform (110), wherein the inclined plates (120) can pivot around a fixed axis on the support platform (110).

3. The tube grinding machine according to claim 1, characterized in that: The bracket (210) is provided with an arc-shaped slide groove (211), and the second driven roller (240) is rotatably connected with a rotating shaft (241). The rotating shaft (241) is inserted into the slide groove (211) and can slide along the slide groove (211). The end of the rotating shaft (241) away from the second driven roller (240) is provided with a threaded portion, and the threaded portion is sleeved with a fastening nut (243). The end of the rotating shaft (241) close to the second driven roller (240) is fixedly connected with a fixing block (242), and the fixing block (242) and the fastening nut (243) are respectively abutted against two sides of the bracket (210) to fix the position of the rotating shaft (241).

4. The tube grinding machine according to claim 1, characterized in that: The transverse movement mechanism (300) comprises a sliding rod (310) and a slider (320); the bracket (210) and the slider (320) are fixedly connected; the sliding rod (310) is fixed on the machine platform (100) along the length direction of the machine platform (100); the slider (320) and the sliding rod (310) are slidably connected and can slide along the sliding rod (310).

5. The tube grinding machine according to claim 1, characterized in that: The rotating mechanism (400) comprises a driving motor (410) and a fixing fixture (420); the fixing fixture (420) is fixedly connected to an output end of the driving motor (410), and the fixing fixture (420) is driven by the driving motor (410) to pivot; the fixing fixture (420) is used to be detachably connected to a pipe fitting.

6. The tube grinding machine according to claim 1, characterized in that: The transverse movement mechanism (300) is provided with a plurality of the grinding mechanisms (200).

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