CN206029539U - Bend polishing machine - Google Patents

Abstract

The utility model discloses a curved pipe polishing machine, which comprises a machine base with a guide rail, a polishing device, a bending pipe rotating mechanism and a polishing device moving mechanism. The polishing device is located on the guide rail and can move along the guide rail. The rotating mechanism and the moving mechanism of the polishing device are installed on one end of the base respectively, and the moving mechanism of the polishing device is connected with the polishing device. The pipe bending machine is convenient and quick to operate, has low labor intensity, high production efficiency, can uniformly polish the outer surface of the pipe bend, and has reliable quality.

Description

An elbow polishing machine

technical field

The utility model relates to the technical field of pipe fitting processing, in particular to an elbow polishing machine.

Background technique

Polishing has always been the bottleneck in the production process of elbows. Due to its complex and irregular shape, the traditional method mostly uses the operation of holding the elbow on a rotating abrasive belt, and constantly changing postures according to different parts of the polishing. This method is not only labor-intensive and inefficient, but also the polishing quality cannot be guaranteed, which has always troubled the bending pipe manufacturers. Since then, although the industry has continuously invested manpower and material resources, the technologies developed are generally not ideal.

CN203804751U discloses a kind of elbow polishing machine, and it comprises frame, elevating frame, buffing wheel set, base, disc positioning plate, disc support plate, at least two discs, first lifting drive mechanism, second lifting drive mechanism 1. The first lifting mechanism, the second rotating mechanism and the rotating mechanism. The polishing machine can perform batch polishing operations on bent pipes with complex structures, reduce workload and labor intensity, and improve polishing efficiency. However, because it uses a polishing wheel set to polish the elbow placed on the disc plane, there is inevitably a polishing dead angle, and the polishing of each part is uneven and the quality is poor, especially the corrugated multi-piece elbow cannot be polished. .

Utility model content

The problem to be solved by the utility model is to overcome the above-mentioned deficiencies of the prior art, and provide a bend pipe polishing machine capable of uniformly polishing the outer surface of the bend pipe, with reliable quality and high polishing efficiency.

In order to solve the above-mentioned technical problems, the technical solution adopted by the utility model is: a pipe bend polishing machine, including a machine base with a guide rail, a polishing device, a pipe bending rotation mechanism and a polishing device moving mechanism, and the polishing device is located on the guide rail and can move along the guide rail, the elbow rotating mechanism and the polishing device moving mechanism are respectively installed on one end of the machine base, and the polishing device moving mechanism is connected with the polishing device.

The bent pipe rotation mechanism includes a first servo motor and a reduction box, and the end of the output shaft of the reduction box is provided with a chuck for clamping the bent pipe.

The moving mechanism of the polishing device includes a second servo motor and a lead screw connected and interlocked with it, and the lead screw is installed on one side of the base through a bracket.

The polishing device has a supporting plate slidingly connected with the guide rail, a polishing mechanism is arranged on the supporting plate, and one end of the supporting plate is connected with the lead screw through a nut.

The polishing mechanism has a support plate fixedly connected to the supporting plate, and two sets of polishing assemblies are installed on the support plate, and the polishing assembly includes a motor, a driving wheel, a tensioning wheel and 2 passive wheels mounted and connected to the support plate , the outer sides of the driving wheel, the tensioning wheel and the driven wheel are surrounded by abrasive belts, the tensioning wheel is slidingly connected with the long slotted hole provided on the support plate through the wheel shaft, and the tensioning wheel connected to the wheel shaft is arranged on the support plate. For the spring, the axial center of the support plate is provided with a through hole for passing through the elbow.

The polishing mechanism includes two left polishing units and a right polishing unit which are respectively slidably connected to the supporting plate, and the left and right polishing units respectively include left and right brackets and motors, driving wheels, Tensioning wheel and 2 passive wheels, the outer side of driving wheel, tensioning wheel and passive wheel is surrounded by abrasive belt, and described tensioning wheel is slidably connected with the long slotted hole that is set on described bracket through wheel shaft, and is arranged on the bracket and all The tension spring connected to the axle, the bracket is connected with a telescopic cylinder, and the telescopic cylinder is installed and connected with the supporting plate. The arc groove of the pipe.

The polishing mechanism is provided with a dust suction shield.

The chuck is clamped with a top for tightening and driving the elbow to rotate, and a tightening mechanism is provided at the tail end of the machine base, and the tightening mechanism includes a tailstock and a tightening member rotatably connected thereto.

The elbow polishing machine is provided with a controller, and the controller is respectively connected with the polishing device, the elbow rotating mechanism and the polishing device moving mechanism through signal lines.

The beneficial effects of the utility model are:

1) The elbow polishing machine of this utility model adopts the spindle chuck to clamp and the polishing device to move and polish. It is suitable for polishing elbows with shorter length, lighter weight and better rigidity. It is convenient and quick to operate, low in labor intensity, and easy to produce The efficiency is high, and the outer surface of the elbow can be uniformly polished, and the quality is reliable.

2) The polishing device has a supporting plate slidingly connected with the guide rail, and a polishing mechanism is set on the supporting plate, and one end of the supporting plate is connected to the screw through a nut, which cooperates with the moving mechanism of the polishing device to realize continuous movement of the polishing mechanism, The speed can be adjusted arbitrarily.

3) The polishing mechanism adopts double abrasive belts to match the polishing, 4-wheel tensioning drive, and adopts elastic tensioning, the tension is adjustable, and can keep the polishing pressure within a certain moderate range according to the bending shape of the elbow, which can effectively avoid The omission and dead angle of the elbow surface polishing can reliably guarantee the polishing quality.

4) The utility model adopts the top clamping at both ends, which is more convenient and fast, and eliminates the situation that the clamping part of the elbow cannot be polished, and the polishing device can be polished back and forth without empty movement, which further improves the polishing operation.

5) The polishing mechanism adopts a split movable structure, which greatly facilitates the loading and unloading operation of the elbow, speeds up the loading and unloading speed, and is beneficial to the improvement of production efficiency.

6) The utility model is equipped with a controller, which realizes the automation of each mechanical action part and saves operation time, including auxiliary operation time. Taking the 1.5m long elbow as an example, each polishing only takes 1~2min on average.

Description of drawings

Below in conjunction with accompanying drawing, the utility model will be further described:

Fig. 1 is the structural representation of the utility model embodiment one;

Fig. 2 is a schematic structural view of the polishing device in Fig. 1;

Fig. 3 is the left view of Fig. 2;

Fig. 4 is the structural representation of the second embodiment of the utility model;

Fig. 5 is a schematic structural view of the polishing device in Fig. 4;

FIG. 6 is a left side view of FIG. 5 .

detailed description

Below in conjunction with accompanying drawing and embodiment the utility model is described further.

Embodiment one

As shown in Fig. 1, Fig. 2 and Fig. 3, the elbow polishing machine of the present invention includes a base 1 with a guide rail 1-1, a polishing device, an elbow rotating mechanism and a polishing device moving mechanism, and the polishing device is located at the above the guide rail 1-1, and can move along the guide rail 1-1, the elbow rotation mechanism is installed on the top of one end of the machine base 1, which includes the first servo motor 6 and the reduction box 5, and the end of the output shaft 7 of the reduction box 5 is installed There is a chuck 8 for holding an elbow 16 to be polished. The moving mechanism of the polishing device is installed at the end of the base 1, which includes a second servo motor 4 and a lead screw 2 connected and linked therewith, and the lead screw 2 is installed on one side of the base 1 through a bracket 3, The screw 2 is connected with the polishing device through the nut 18, and the rotation of the screw 2 drives the polishing device to move left and right.

The polishing device has a supporting plate 17 slidingly connected with the guide rail 1-1, a polishing mechanism is arranged on the supporting plate 17, the polishing mechanism has a supporting plate 10a fixedly connected with the supporting plate 17, and the axis of the supporting plate 10a The part is provided with a through hole 10a-1 for passing through the elbow 16 to be polished. Two groups of polishing assemblies are installed on the support plate 10a, and the polishing assembly includes a motor 11, a driving wheel 14, a tensioning wheel 15 and 2 driven wheels 12, a driving wheel 14, and a tensioning wheel 15 connected to the support plate 10a. And the outer side of driven wheel 12 is surrounded by abrasive belt 13. The positions of the two driven wheels 12 in the two sets of polishing assemblies correspond to each other and should be as close as possible so that the abrasive belt 13 has a larger contact envelope with the elbow 16 to be polished. The tensioning wheel 15 is slidingly connected to the slotted hole (not shown in the figure) provided on the support plate 10a through the wheel shaft, and the tension spring 9 connected to the wheel shaft is arranged on the support plate 10a to realize the elasticity of the abrasive belt 13. Tension, you can also choose to replace the spring with appropriate elasticity according to your needs.

The elbow polishing machine of this embodiment is suitable for polishing the outer surface of an elbow with shorter length, lighter weight and stronger rigidity. When it is in use, the polishing device can be moved to a position close to the chuck 8 through the second servo motor 4, and the curved pipe 16 to be polished is passed between the two abrasive belts 13 between the driven wheels 12. Penetrate, and be clamped on the chuck 8, can start the first servo motor 6 and the second servo motor 4 and the two motors 11 on the support plate 10a, so through the rotation of two abrasive belts 13, wait for The rotation of the polishing elbow 16 and the continuous movement of the polishing device to the tail of the machine base 1 can polish the outer surface of the elbow 16 to be polished without omission and without dead ends. When the polishing device moves to the tail of the elbow 16 to be polished and breaks away from the polished elbow 16, the first servo motor 6, the second servo motor 4 and the two motors 11 on the support plate can be operated to stop, Unclamp the chuck 8 and remove the finished polished elbow. Then repeat above-mentioned operation and can carry out the polishing operation of bend pipe 16 to be polished next time.

Embodiment two

Referring to Fig. 4, Fig. 5 and Fig. 6, as a further improvement to the technical solution of the first embodiment, in order to facilitate the loading and unloading of the elbow, the polishing mechanism can be divided into sliding with the supporting plate 17 through the slide rail 17-1 and the chute respectively. Connected left polishing unit and right, left and right polishing unit respectively comprise left and right support 10b and the motor 11 that is installed on the left and right support 10b, driving wheel 14, tension pulley 15 and 2 driven wheels 12, driving wheel 14. The outside of the tensioning wheel 15 and the passive wheel 12 is surrounded by an abrasive belt 13, and the tensioning wheel 15 is slidingly connected with the long slot holes (not shown in the figure) provided on the left and right brackets 10b through the wheel shaft, and the left , The tension spring 9 connected with the axle is arranged on the right bracket 10b. Telescopic cylinders 24 are respectively installed at the two ends of the supporting plate 17, and the telescopic ends of the telescopic cylinders 24 are connected with the left and right supports 10b, and the support stopper 27 is set on the supporting plate 17 to limit the starting and ending positions of the polishing unit movement . In order to avoid dust pollution in the working environment, a dust suction cover (not shown in the figure) can be arranged on the polishing mechanism, and a dust suction cover can be connected with a vacuum cleaner.

In order to realize the fast clamping of the elbow 16 to be polished and improve the efficiency of the polishing operation, the top 19 for clamping and driving the elbow to rotate can be clamped on the chuck 8, and can be installed along the guide rail 1 at the tail of the base 1. -1 moving clamping mechanism, which comprises a tailstock 21 and a clamping member 20 rotatably connected thereto, the clamping member 20 can be a tail apex installed on the tailstock 21 through a thrust bearing, and the tailstock 21 It can be meshed with the rack 22 arranged on the side of the machine base 1 through a gear (not shown in the figure), and its movement can be realized by operating the handle 23. The teeth facilitate the locking of the position of the tailstock, especially when the elbow 16 to be polished is clamped.

The elbow polishing machine of the present utility model can also be provided with a controller 25, which is respectively connected with the driving mechanism of the polishing device, the elbow rotating mechanism and the polishing device moving mechanism through signal lines, thereby realizing elbow polishing Automation of jobs.

The elbow polishing machine of this embodiment is especially suitable for polishing the elbows with longer length and higher quality. When in use, the polishing device can be moved to a position close to the chuck 8 or tailstock 21 at one end of the machine base 1 , and then operate the telescopic cylinder 24 to separate the two polishing assemblies, and then by moving the tailstock 21, the elbow 16 to be polished is clamped between the top 19 provided on the chuck 8 and the tail tightening member 20, and then the When the two polishing units are moved to a position close to each other, the controller 25 can operate the first servo motor 6 and the second servo motor 4 and the two motors 11 on the support plate to perform polishing. After finishing the polishing of the first elbow, the polishing device naturally stops at the front or rear end of the machine base 1. At this time, the polished elbow is removed by moving the tailstock 21, and the next one to be polished is directly clamped. Just bend the tube.

The preferred embodiments of the utility model are described above to illustrate the principles and applications of the utility model, but it should be understood that the utility model can be realized in other ways without departing from these principles.

Claims (9)

1. a kind of bend pipe polishing machine, it is characterised in that：Including the support with guide rail, burnishing device, bend pipe rotating mechanism and throwing Electro-optical device travel mechanism, burnishing device are located on the guide rail, and can be moved along guide rail, and bend pipe rotating mechanism and burnishing device are moved Motivation structure is separately mounted to the one end part of support, and burnishing device travel mechanism is connected with burnishing device.

2. bend pipe polishing machine as claimed in claim 1, it is characterised in that：The bend pipe rotating mechanism includes the first servomotor And reduction box, the output shaft end of reduction box is provided with the chuck for clamping bend pipe.

3. bend pipe polishing machine as claimed in claim 1, it is characterised in that：The burnishing device travel mechanism includes the second servo Motor and the leading screw for being attached thereto linkage, the leading screw are arranged on the side of the support by support.

4. bend pipe polishing machine as claimed in claim 3, it is characterised in that：The burnishing device with the slide connect The supporting plate for connecing, arranges polishing mechanism on supporting plate, supporting plate one end is connected with the leading screw by nut.

5. bend pipe polishing machine as claimed in claim 4, it is characterised in that：The polishing mechanism fixes company with the supporting plate The support plate for connecing, is provided with two sets of polishing assemblies on support plate, the polishing assembly includes installing motor, the active being connected with support plate Wheel, tensioning wheel and 2 followers, are surrounded with abrasive band on the outside of driving wheel, tensioning wheel and follower, the tensioning wheel passes through wheel shaft It is slidably connected with the long slot bore arranged on the support plate, the tensioning spring being connected with the wheel shaft, the support plate is set on support plate Axis part is provided with for the through hole through bend pipe.

6. bend pipe polishing machine as claimed in claim 4, it is characterised in that：The polishing mechanism include two respectively with the support Left polishing unit and right polishing unit that plate is slidably connected, the left and right polishing unit include left and right support respectively and are arranged on Motor, driving wheel, tensioning wheel and 2 followers on left and right support, is surrounded with the outside of driving wheel, tensioning wheel and follower Abrasive band, the tensioning wheel are slidably connected by the long slot bore arranged on wheel shaft and the support, are arranged and the wheel shaft on support The tensioning spring of connection, the support are connected with telescopic cylinder, and telescopic cylinder is installed with the supporting plate and is connected, set on the supporting plate Support locating part is put, the deep-slotted chip breaker through bend pipe on the inside of the left and right support, is provided for.

7. the bend pipe polishing machine as described in claim 4,5 or 6, it is characterised in that：The polishing mechanism arranges dust absorption shield.

8. bend pipe polishing machine as claimed in claim 2, it is characterised in that：The gripper chuck is equipped with for holding out against and driving bend pipe What is rotated is top, and the tail end of the support arranges jacking mechanism, and the jacking mechanism includes tailstock and rotates holding out against for connection Part.

9. bend pipe polishing machine as claimed in claim 1, it is characterised in that：The bend pipe polishing machine arranges controller, the control Device is connected with the burnishing device, bend pipe rotating mechanism and burnishing device travel mechanism respectively by holding wire.