CN214490111U - Polishing equipment - Google Patents

Abstract

The utility model discloses a polishing device, which comprises a control device, a processing platform, a traveling structure, at least one group of polishing wheel sets and adjusting and compensating structures which are in one-to-one correspondence with the polishing wheel sets; the advancing structure comprises a clamping assembly, at least two linear guide assemblies which are vertical to each other in the guide direction and a rotating mechanism; the polishing wheel set comprises two polishing wheels and polishing power, the adjusting and compensating structure comprises a first guide mechanism and at least one first bearing block, the first guide mechanism comprises a first guide rail, a first guide block and first guide power, the first guide block is slidably arranged on the first guide rail, the first bearing block is provided with one polishing wheel and one polishing power, and the first bearing block is connected with the first guide block in a one-to-one correspondence manner and moves along the first guide rail along with the first guide block. The polishing equipment drives the bent pipe to feed according to the axial shape of the bent pipe, and the feeding direction is automatically adjusted at the bent part to penetrate through the polishing part; the polishing distance can be adjusted conveniently and accurately.

Description

Polishing equipment

Technical Field

The utility model relates to a return bend polishing technical field, more specifically say, relate to a polishing equipment.

Background

The surface polishing of workpieces is an important link in the processing industry, and the polishing of pipe parts is generally carried out by putting a straight circular pipe in a rail groove for advancing, and arranging rotary polishing wheels on two sides of the straight circular pipe respectively. The interval of two polishing wheels matches with the diameter of pipe, and when two polishing wheels rotated, can drive the pipe and rotate and to pipe surface finish, the pipe antedisplacement and the pivoted pass two polishing wheels and can obtain full surface finish. For the bent pipe with radian or corner, the direction of the bent pipe is adjusted to feed according to the bent shape of the bent pipe by manually holding the bent pipe, so that the bent pipe passes through between two polishing wheels to polish the bent part, but the mode has low efficiency and high operation difficulty, and cannot keep the accurate fitting of the advancing track, and when the hand shakes or the feeding direction has deviation, the polishing quality can be seriously influenced, even if the hand shakes or the feeding direction has no deviation, the polishing consistency of all parts on the surface of the bent pipe is difficult to ensure, and components of polishing parts such as two polishing wheels, a motor and the like are generally arranged on a rack through fasteners, so that the distance adjustment is difficult to adapt to polishing of circular pipes with different specifications.

Therefore, how to achieve the automatic polishing of the bent pipe and the simple adjustment of the polishing distance becomes a problem that needs to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a polishing device, which drives a bent pipe to feed according to the self axial shape, automatically adjusts the feeding direction at the bent part to pass through the polishing part, completes the polishing of the whole surface and obviously improves the polishing quality; the polishing interval can be conveniently and accurately adjusted through the guide mechanism, the size is changed to control, and the high-quality and high-efficiency polishing is guaranteed.

In order to achieve the above object, the present invention provides a polishing apparatus, which comprises a control device, a processing platform, a traveling structure for driving a circular tube to travel according to a predetermined track, at least one set of polishing wheel sets, and an adjusting and compensating structure corresponding to the polishing wheel sets one by one and used for adjusting a polishing distance; the advancing structure comprises a clamping assembly for fixing the round pipe, a linear guide assembly for driving the clamping assembly to linearly displace and a rotating mechanism for driving the clamping assembly to rotate, the linear guide assembly comprises at least two linear guide mechanisms which respectively guide along mutually perpendicular directions, the rotating center line of the rotating mechanism is perpendicular to the guide directions of the two linear guide mechanisms, and the power of the guide assembly and the rotating power of the rotating mechanism are both electrically connected with the control device; the polishing wheel set comprises two polishing wheels which are respectively positioned on two radial sides of the circular tube and polishing power which is in one-to-one correspondence with the polishing wheels, the adjusting and compensating structure comprises a first guide mechanism and at least one first bearing block, the first guide mechanism comprises a first guide rail which extends along the radial direction of the polishing wheels, a first guide block which is slidably arranged on the first guide rail and first guide power which drives the first guide block to move along the extending direction of the first guide rail, the first guide power is electrically connected with the control device, the first bearing block is provided with one polishing wheel and one polishing power, and the first bearing block is connected with the first guide block in one-to-one correspondence and moves along the first guide rail along with the first guide block.

Preferably, the linear guide assembly includes a second guide mechanism and a third guide mechanism, the second guide mechanism includes a second guide rail extending along the transverse direction, a second guide block slidably connected with the second guide rail, and a second power driving the second guide block to displace along the guide direction of the second guide rail, the third guide mechanism comprises a third guide rail extending along the longitudinal direction, a third guide block connected with the third guide rail in a sliding way and a third power driving the third guide block to displace along the guide direction of the third guide rail, the rotating mechanism also comprises an indexing turntable in transmission connection with the rotating power, the second guide block, the third guide block and the indexing turntable are connected in a stacking manner and are arranged in a linkage manner along the vertical direction or the horizontal direction, the clamping assembly is arranged above the highest one of the three and is connected with the highest one.

Preferably, the control device further comprises a spacing compensation structure for sensing and adjusting the spacing between the two polishing wheels in the polishing wheel set.

Preferably, the distance compensation structure comprises a feed module electrically connected with the guiding power and monitoring the guiding power current, and a control module controlling the guiding power according to the information of the feed module.

Preferably, adjust and compensation structure still including wearing and tearing slow down the mechanism, wearing and tearing slow down the mechanism and include and sway power and second carrier block, the second carrier block with first guide block is connected, sway power and first carrier block all sets up on the second carrier block, be provided with on the second carrier block along polishing wheel axial extension's slide rail, first carrier block with slide rail sliding connection, sway power with first carrier block transmission is connected and is promoted first carrier block is followed the extending direction displacement of slide rail.

Preferably, the adjusting and compensating structure further comprises a fine adjustment mechanism, the fine adjustment mechanism comprises fine adjustment power and a third bearing block, the third bearing block is connected with the first guide block, the fine adjustment power and the second bearing block are both arranged on the third bearing block, and the fine adjustment power is in transmission connection with the second bearing block and pushes the second bearing block to displace along the length direction of the first guide rail.

Preferably, the power output shaft of the swinging power is in transmission connection with the first bearing block through a crank block structure; the crank block structure is provided with a length adjusting structure for adjusting the length of the crank.

Preferably, the clamping assembly includes two fixing columns arranged at intervals and fastening clamps arranged on the fixing columns in a one-to-one correspondence manner, the fastening clamps include core expanding clamps, and at least one of the fixing columns is slidably arranged on the indexing turntable through a slide rail.

Preferably, a position adjusting structure for adjusting the position of the fastening clip is arranged between at least one of the fixing columns and the corresponding fastening clip.

Preferably, the position adjustment structure includes a first hinge arm and a second hinge arm, one end of the first hinge arm is hinged to the fixed column, the other end of the first hinge arm is hinged to a first end of the second hinge arm, and the fastening clip is hinged to a second end of the second hinge arm.

The utility model provides an among the technical scheme, running gear drives the return bend and feeds along the orbit that the predetermined accords with return bend axial shape under controlling means's effect, make the return bend automatic entering and pass the polishing space between two polishing wheels, and the automatic adjustment direction of advance when turning, it accomplishes the polishing to keep suitable angle, be applicable to the automatic polishing of straight pipe and all kinds of return bends that have the radian, compare with artifical handheld return bend feeding, there is not orbit error, shake crooked scheduling problem, can guarantee the polishing uniformity on return bend surface, improve polishing quality and polishing profile tolerance; among two polishing wheels in same polishing wheelset, at least one can carry out the displacement through a guiding mechanism, adjusts the polishing interval, only need the manual work input on the control screen adjust the size can, adjust the simple operation fast, the size value of transferring not only changes in the accuse, can also carry out careful accurate regulation and control, guarantees the high-quality matching of polishing interval, improves polishing quality.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of a first component structure of a polishing apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a second component structure of the polishing apparatus according to the embodiment of the present invention;

fig. 3 is a first angle schematic diagram of an adjustment and compensation structure in an embodiment of the present invention;

fig. 4 is a schematic view of a second angle of the adjusting and compensating structure according to the embodiment of the present invention;

fig. 5 is a third angle diagram of an adjusting and compensating structure according to an embodiment of the present invention;

fig. 6 is a schematic view of a length adjustment structure in an embodiment of the present invention;

fig. 7 is an overall schematic view of a traveling structure according to an embodiment of the present invention;

fig. 8 is a schematic composition diagram of the second guide mechanism and the third guide mechanism in the embodiment of the present invention;

fig. 9 is a schematic structural view of an expanding core clamp in an embodiment of the present invention;

fig. 10 is a schematic structural view of a clamping assembly according to an embodiment of the present invention;

fig. 11 is a schematic view of a position adjustment structure in an embodiment of the present invention.

In fig. 1-11:

1. polishing power; 2. a first bearing block; 3. a first guide rail; 4. a second bearing block; 5. a third bearing block; 6. swinging power; 7. fine-tuning power; 8. an adjusting block; 9. a movable shaft; 10. a bearing; 11. locking the nut; 12. a rocking handle; 13. a first optical axis; 14. a second optical axis; 15. a processing platform; 16. a frame; 17. indexing the rotary table; 18. a second guide mechanism; 19. a third guide mechanism; 20. a first guide block; 21. a second guide block; 22. a third guide block; 23. a protective cover; 24. fixing a column; 25. a core expanding clamp; 26. a speed-regulating motor; 27. a first hinge arm; 28. a second hinge arm; 29. moving the slide rail; 30. an elastic shaft seat.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The purpose of the present embodiment is to provide a polishing apparatus, which drives a bent pipe to feed according to its own axial shape, and automatically adjusts the feeding direction at the bent portion to complete the full surface polishing, thereby significantly improving the polishing quality; the polishing distance can be conveniently adjusted through a guide mechanism, the size is easier and more accurate to control, and the high-quality and high-efficiency polishing is guaranteed.

Hereinafter, embodiments will be described in detail with reference to the accompanying drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.

Referring to fig. 1-11, the polishing apparatus provided in this embodiment includes a control device, a processing platform 15, a traveling structure for driving a circular tube to travel according to a predetermined track, at least one polishing wheel set, and an adjusting and compensating structure corresponding to the polishing wheel sets one by one, each polishing wheel set includes two polishing wheels and two polishing powers 1, the polishing powers 1 are in one-to-one transmission connection with the polishing wheels, the two polishing wheels are located at two radial sides of the circular tube and rotate under the driving of the polishing powers 1, a polishing distance between the two polishing wheels matches with a diameter of the circular tube, the circular tube is driven by the traveling structure to feed along a predetermined track consistent with an axial shape thereof, and enters and passes through a polishing distance space, thereby completing automatic polishing of a whole surface; and at least one of the two polishing wheels in each polishing wheel set can be displaced along the radial direction of the polishing wheel through an adjusting and compensating structure to adjust the polishing distance, so that the polishing wheel set can be suitable for processing round pipes with different specifications.

The polishing wheelset can be a set of, arranges along horizontal direction or vertical direction, and the pipe can rotate when passing between two polishing wheels, accomplishes self full surface finish, or, the pipe does not rotate, and the polishing wheelset is whole to rotate around the pipe axis, accomplishes the full surface finish to the pipe. Or, in this embodiment, the polishing wheelset is provided with two sets, as shown in fig. 1 and fig. 2, a set of horizontal direction that sets up, two polishing wheels in this set are arranged along the horizontal direction, polish the both sides of the horizontal direction of pipe, another set sets up along vertical direction, two polishing wheels in this set up along vertical direction, polish the both sides in the vertical direction of pipe, so, the pipe is carrying out the in-process, need not to rotate, the polishing wheelset also need not to carry out whole rotation around the pipe, and is simple and convenient in structure, and is particularly suitable for polishing the return bend.

Two sets of polishing wheelsets can set up on same processing platform 15, are provided with a structure of marcing on the processing platform 15, and the structure of marcing takes the pipe to carry out processing respectively between two sets of polishing wheelsets. Or, the processing platform 15 and the advancing structure are both arranged in one-to-one correspondence with the polishing wheel sets, that is, the polishing apparatus provided in this embodiment includes two polishing devices, as shown in fig. 1 and fig. 2, one of the two polishing devices includes the processing platform 15, the advancing structure, one of the polishing wheel sets arranged along the horizontal direction and the adjusting and compensating structure, and the other one of the two polishing devices includes the processing platform 15, the advancing structure, and one of the polishing wheel sets arranged along the vertical direction and the adjusting and compensating structure. And respectively processing the circular tube on the two polishing devices to finish the polishing of the whole surface.

The moving structure comprises a clamping assembly, a linear guide assembly and a rotating mechanism, the clamping assembly is used for supporting and fixing the round pipe, the linear guide assembly comprises at least two linear guide mechanisms, the guide directions of the two linear guide mechanisms are perpendicular to each other, and the clamping assembly and the round pipe can be driven to respectively displace in at least two mutually perpendicular directions; meanwhile, the rotating mechanism can drive the circular tube to rotate to adjust the angle, the rotating center line extends along the horizontal direction or the vertical direction and is vertical to the guiding directions of the two linear guiding mechanisms, and the advancing structure can generate tracks of any shape in the horizontal plane or the vertical plane, so that the track requirements of bent pipes of various different bending shapes are met. The power of straight line direction subassembly and rotary mechanism's rotatory power all are connected with controlling means electricity, then can predetermine the orbit of marcing of return bend according to the shape of return bend before processing, then open through controlling means to the start and stop control of each power, the structure of marcing can drive the return bend and gradually displace according to the orbit of the crooked shape of predetermined accord with self, for example, use return bend one end as the initiating terminal, carry out the orbit displacement according to the shape backward of this end, straight type circle pipe section keeps straight line to march, at bend or corner automatic adjustment direction of feed and angle, keep suitable orbit, pass between two polishing wheels, can accomplish the automatic polishing of whole pipe. In the advancing process, the advancing direction is properly and accurately adjusted.

The adjusting and compensating structure comprises a first guide mechanism and at least one first bearing block 2, the first guide mechanism comprises a first guide rail 3 extending along the radial direction of the polishing wheel, a first guide block 20 arranged on the first guide rail 3 in a sliding way and first guide power for driving the first guide block 20 to move along the extending direction of the first guide rail 3, and the first guide power is electrically connected with the control device; the adjusting and compensating structure is in one-to-one correspondence with the polishing wheel sets, namely one polishing wheel set corresponds to one first guide rail 3, the first bearing block 2 is in one-to-one correspondence with the polishing wheels in the polishing wheel sets, one first bearing block 2 is provided with one group of polishing power 1 and the polishing wheels, and the first bearing block 2 is connected with the first guide block 20 in one-to-one correspondence and moves along the first guide rail 3 along with the first guide block 20. The polishing wheel can move along the radial direction under the action of the control device, so that the polishing distance can be conveniently and accurately adjusted.

According to the polishing equipment provided by the embodiment, through the bent pipe advancing structure, the advancing mechanism drives the bent pipe to feed along a preset track which accords with the axial shape of the bent pipe under the action of the control device, so that the bent pipe automatically enters and passes through the polishing space between the two polishing wheels, the advancing direction is automatically adjusted when the bent pipe is at a corner, and a proper angle is kept to finish polishing; at least one of the two polishing wheels in the same polishing wheel set can be displaced through the first guide mechanism to adjust the polishing distance, and an operator only needs to input the coordinate size to be adjusted on a control screen matched with the control device, so that the adjustment operation is convenient and quick, the size is easy to adjust and control, and the careful and accurate control can be performed; under the combined action of the first guide mechanism and the control device, the polishing wheel moves stably and moves accurately, the size regulating and controlling effect is good, the moving error cannot occur, namely, the distance between the polishing wheels can be effectively and accurately controlled, the polishing quality of the round tube can be improved, and the polishing effect is prevented from being influenced by the distance error.

The adjusting and compensating structure may include a first carrier block 2 for adjusting the polishing interval by a polishing wheel displacement; or, as shown in fig. 1, the polishing device may also include two first bearing blocks 2, and the two first bearing blocks 2 simultaneously displace along the first guide rail 3 to adjust the polishing distance, so that the center of the polishing space is ensured to be stationary, and the clamping assembly does not need to be frequently adjusted accordingly.

As shown in figure 1, the polishing wheel is installed in the pivot of being connected with the transmission of polishing power 1, and in the preferred scheme of this embodiment, polishing wheel and pivot carry out detachably and are connected, so, be convenient for change polishing wheel, removable go up different specifications like the less polishing wheel of size for can process the great, less return bend in turning degree of bending, bump with polishing wheel when avoiding the return bend redirecting, enlarged polishing equipment's range of application, improve functional and practicality.

Specifically, a frame 16 is disposed on the processing platform 15, the first guiding mechanism is connected to the frame 16, and the frame 16 is specifically disposed according to the extending direction of the first guide rail 3, and may include a vertically extending upright column or an inverted U-shaped upright column. First guiding mechanism can be hold-in range linear guide, also can be lead screw guide, for example, first direction power can set up to first servo motor, and first guide rail 3 sets up to first lead screw, and first servo motor is connected and all is connected on frame 16 with first lead screw transmission, first guide block 20 and first lead screw threaded connection. The first servo motor can conveniently move the first bearing block 2 in the forward direction or the reverse direction through forward and reverse rotation. The first guide mechanism can also comprise two linear guide rails which play a role in strengthening guide, the two linear guide rails can be respectively positioned at two sides of the first lead screw, and the first bearing block 2 is simultaneously connected with the sliding blocks on the two linear guide rails and the first guide block 20, so that the operation is stable and smooth. The polishing power 1 can also be a servo motor and is connected with a rotating shaft through belt transmission, and the rotating shaft is coaxially and fixedly connected with the polishing wheel.

The linear guide assembly comprises a second guide mechanism 18 and a third guide mechanism 19, the second guide mechanism 18 comprises a second guide rail extending along the transverse direction, a second guide block 21 connected with the second guide rail in a sliding way and second power driving the second guide block 21 to displace along the guide direction of the second guide rail, the third guide mechanism 19 comprises a third guide rail extending along the longitudinal direction, a third guide block 22 connected with the third guide rail in a sliding way and third power driving the third guide block 22 to displace along the guide direction of the second guide rail, the rotating mechanism comprises rotary power and an indexing turntable 17 connected with the rotary power in a transmission way, the second guide mechanism 18, the third guide mechanism 19 and the rotating mechanism are arranged in a stacking way along the vertical direction or the horizontal direction, namely, the second guide block 21, the third guide block 22 and the indexing turntable 17 are connected in a stacking manner and in a linkage manner along the vertical direction or the horizontal direction, and the clamping assembly is arranged above the highest one of the second guide block, the third guide block and the indexing turntable and connected with the highest one of the third guide block, the third guide block and the indexing turntable. Any one of the three actions can drive the bent pipe to displace in the corresponding direction, and the three actions are linked to form the integral advancing track of the bent pipe. The first power, the second power and the rotating power are all electrically connected with the controller, the controller controls the starting and stopping sequence, the direction and the duration of the three powers according to the shape of the bent pipe, and the trajectory setting is carried out, so that the bent pipe moves according to the shape trajectory of the bent pipe.

As shown in fig. 7, in this embodiment, the second guide mechanism 18, the third guide mechanism 19 and the rotating mechanism are stacked and connected in a vertical direction, the second guide mechanism is located at the lowest position, the rotating mechanism is located at the highest position, and the clamping assembly is disposed on the index dial 17. As shown in fig. 8, the second guiding mechanism 18 may be a screw guide rail in the prior art, and a rail seat is arranged on the processing platform 15; the second power is a second servo motor, the second guide rail is a second lead screw, a rail groove for accommodating the second lead screw is arranged on the guide rail seat, the second lead screw is in transmission connection with the second servo motor and is rotatably connected with the rail groove, and the second guide block 21 is connected with a matched slide block on the second lead screw. In order to keep stability and prevent deflection, two groups of motors, lead screws and matched slide blocks can be arranged in parallel and support the second guide block 21 together; or, the second guiding mechanism 18 further includes a linear guide rail in the prior art, the linear guide rail may be provided with two sets of guide rails respectively located at two sides of the second lead screw, and the second guiding block 21 is supported by the three sets of sliding blocks, so that the stability is remarkably ensured, and the smoothness of movement is also improved.

The second lead screw extends along the horizontal direction, a fixed seat extending along the horizontal longitudinal direction is arranged on the second guide block 21, and the third guide mechanism 19 is arranged on the fixed seat. The third guide mechanism 19 can be structurally arranged in the same way as the second guide mechanism 18, that is, a holding groove for holding a third guide rail and a third guide block 22 is arranged on the fixed seat, the third guide rail is a third lead screw, the third power is a servo motor, the third guide mechanism 19 also comprises two linear guide rails respectively positioned at two sides of the third lead screw, and the third guide block 22 is arranged on three sets of sliders which are arranged in parallel and arranged at intervals. In the second guiding mechanism 18 and the third guiding mechanism 19, the rail groove and the accommodating groove can be covered with a protective cover 23 to prevent external sundries from influencing the sliding smoothness of each guiding block.

The rotary power is arranged on the third guide block 22, which can be a fourth servo motor, the power output shaft is in transmission connection with the indexing turntable 17, and the indexing turntable 17 is horizontally arranged and positioned above the rotary power. The clamping assembly is arranged on the indexing turntable 17 and moves synchronously with the indexing turntable 17. The round pipe is fixed and erected on the indexing turntable 17 through the clamping assembly and is displaced in the horizontal plane. The polishing wheel sets are provided with two sets, and all connect in frame 16, and a set is arranged along the horizontal direction, and a set is arranged along vertical direction. And the polishing wheels in each group adjust the polishing distance through the adjusting and compensating structure.

However, with long-term use, the polishing wheel can be worn and torn to a certain extent, can increase the polishing interval, influence polishing effect, make easily to have the quality difference between the batch pipe. And the distance deviation caused by abrasion is small in size, so that the adjustment value is not easy to be input manually to make up more accurately. In order to solve the problem, in this embodiment, the control device further includes a spacing compensation structure for automatically sensing and adjusting the spacing between the two polishing wheels, and the spacing value can be maintained in a suitable range more accurately by automatically monitoring and compensating the spacing dimension.

The control device comprises a PLC in the prior art, for example, the model is Siemens smart-series, the PLC forms a control module of the control device, the distance compensation structure comprises the control module and a current sensor or an instrument with a current detection function, the current sensor or the instrument is connected with the PLC and the guiding power, and the current value of the guiding power can be fed back to the control module in real time; or, controlling means also can be for selecting and using the PLC who is furnished with load feed module among the prior art, interval compensation structure includes the control module that the PLC body formed and the load feed module of supporting setting, load feed module is connected with the control module that the PLC body formed with the style structure of extension memory or slave station, load feed module is connected with first servo motor electricity simultaneously, in order to monitor and read motor current, the control module that the PLC body formed carries out the information contrast with predetermineeing the current range with the real-time current value of receiving, the corotation or the reversal of first servo motor is controlled according to the comparative result, adjust the interval between two polishing wheels through making it move first carrier block 2 to suitable direction. The load feed module may be a siemens ETS-MS as known in the art. The control module formed by the corresponding PLC body can be a PLC with the type of Siemens S-or S-and the like in the prior art.

Further, in order to reduce the wear degree of the polishing wheels, in this embodiment, the adjusting and compensating structure further includes a wear reducing mechanism, the wear reducing mechanism includes a swinging power 6 and a second bearing block 4, the swinging power 6 and the first bearing block 2 are both disposed on the second bearing block 4, the second bearing block 4 is connected with the first guide block 20, and the second bearing block 4 can drive the first bearing block 2 to integrally move along the guide rail of the guide mechanism under the driving of the first guide power to adjust the distance between the two polishing wheels; meanwhile, a sliding rail or a sliding groove extending in the direction parallel to the axis of the polishing wheel is arranged on the second bearing block 4, the first bearing block 2 is connected with the sliding groove or the sliding rail in a sliding manner, the swinging power 6 is in transmission connection with the first bearing block 2 and pushes the first bearing block 2 to axially displace along the polishing wheel in the sliding rail or the sliding groove, after the polishing distance is adjusted in place, when the circular pipe is polished, the polishing wheel can be driven by the swinging power 6 to repeatedly move on the surface of the circular pipe in the axis direction of the polishing wheel, so that the whole surface of the polishing wheel can participate in grinding, the whole wheel surface of the polishing wheel always keeps the same grinding degree, and can always keep flat.

In order to improve or ensure the reciprocating speed of the polishing wheel in the axial direction, the swinging power 6 is set as a fifth servo motor, and a power output shaft of the fifth servo motor is in transmission connection with the first bearing block 2 through a crank block structure, so that the polishing wheel can make reciprocating displacement in the axial direction quickly, frequently, stably and smoothly. The crank block structure comprises a crank in transmission connection with a power output shaft of the fifth servo motor, a rocking handle 12 hinged with the crank and a first bearing block 2 hinged with the other end of the rocking handle 12, and the first bearing block 2 is equivalent to a sliding block in the crank block structure. As shown in fig. 5, the second bearing block 4 may be provided with two first optical axes 13 as a sliding rail of the first bearing block 2, the two first optical axes 13 are parallel and spaced, and the second bearing block 4 is sleeved on the two first optical axes 13, so that the operation is stable and smooth.

Furthermore, because the specifications of the circular tubes are different, the reciprocating displacement range of the polishing wheel in the axial direction can also be adaptively adjusted, so that in the embodiment, the crank block structure is also provided with a length adjusting structure for adjusting the length of the crank, the length of the crank can be adjusted, and the displacement range of the polishing wheel can be adjusted.

As shown in fig. 6, the length adjusting structure includes an adjusting block 8 and a moving shaft 9, the adjusting block 8 is connected to a shaft end of a power output shaft of the fifth servo motor, the moving shaft 9 is slidably connected to the adjusting block 8 and can move along a length direction of the adjusting block 8, the moving shaft 9 and the power output shaft are coaxially arranged, a crank is formed between the shaft end of the power output shaft and the moving shaft 9, a bottom end of the moving shaft 9 is slidably connected to the adjusting block 8, and a top end of the moving shaft is hinged to the rocking handle 12. In this way, by adjusting the position of the moving shaft 9 on the adjusting block 8, the distance of the moving shaft 9 from the power take-off shaft, i.e. the length of the crank, can be adjusted.

The bottom of removing axle 9 is provided with spacing boss, and what correspond on regulating block 8 is provided with the T type adjustment tank that supplies to remove the embedding of axle 9 and slide, and spacing boss card can play the axial limiting displacement in the wide bank of T type adjustment tank. A locking piece for locking the moving shaft 9 is also arranged between the moving shaft 9 and the adjusting block 8. When adjusted in place, the movable shaft 9 is locked by the locking member. The locking piece can be a pin shaft for connecting the moving shaft 9 and the adjusting block 8, and the adjusting block 8 is provided with a plurality of connecting holes for the pin shaft to penetrate through and arranged along the extending direction of the T-shaped adjusting groove; or a lock nut 11. As shown in fig. 6, the top end of the moving shaft 9 is hinged to a crank 12 and provided with a lock nut 11 for pressing the moving shaft 9. The rocking handle 12 is hinged with the moving shaft 9 through a bearing 10, the bearing 10 is pressed on the T-shaped adjusting groove in a pressing mode, and the locking nut 11 is sleeved on the top end portion of the moving shaft 9 and presses the bearing 10 to lock and position the moving shaft 9.

Through a guiding mechanism, the interval between two polishing wheels can be adjusted wantonly, and the interval size that both can accurate assurance grinding can adapt to the processing pipe of various specifications again. On this basis, in this embodiment, regulation and compensation structure of throwing aureola still include fine-tuning, fine-tuning can follow the direction trace of first guide rail 3 and adjust the interval between two throwing aureola accurately, can use when changing the processing pipe, slightly transfer the interval between two throwing aureolas through fine-tuning, then change the pipe, later make two throwing aureola reset through fine-tuning, can carry out continuous processing, avoid shutting down when changing the pipe and restart, also can avoid frequent adjustment guiding mechanism.

The fine adjustment mechanism comprises fine adjustment power 7 and a third bearing block 5, the fine adjustment power 7 and the second bearing block 4 are integrally arranged on the third bearing block 5, and the third bearing block 5 is connected with the first guide block 20; the third bearing block 5 can be provided with a sliding groove or a sliding rail extending in the same direction as the first guide rail 3, the second bearing block 4 can be connected to the sliding groove or the sliding rail in a sliding manner, and the fine-tuning power 7 is in transmission connection with the second bearing block 4 and pushes the second bearing block 4 to move on the sliding rail. As shown in fig. 5, the fine adjustment power 7 may be configured as an air cylinder, the third bearing block 5 is provided with two second optical axes 14 extending in the same direction as the first guide rail 3, the two second optical axes 14 are parallel and spaced, and the second bearing block 4 is sleeved on the two second optical axes 14 and slidably connected.

The clamping assembly comprises two fixing columns 24 and fastening clamps which are arranged on the fixing columns 24 in a one-to-one correspondence mode. The two fixing posts 24 are spaced apart and are used for supporting one end of the elbow. The fixing column 24 extends along the vertical direction and is vertically connected to the indexing turntable 17, so that a certain space is reserved between the bent pipe and the surface of the indexing turntable 17. A fastening clip is provided on the fixing post 24 for securing and holding the end of the elbow.

As shown in fig. 7 and 10, at least one of the two fixed posts 24 may be detachably connected to the index dial 17 by a fastener, or at least one of the fixed posts 24 may be slidably connected to the index dial 17 by a movable slide rail 29. The movable sliding rail 29 is connected to the indexing turntable 17, and the fixed columns 24 are slidably connected to the movable sliding rail 29 through sliding seats, so that at least one fixed column 24 can move to adjust a clamping point, and the distance between two fixed columns 24 can be changed to adapt to fixing and clamping of circular pipes with different lengths and different shapes.

The movable slide 29 may extend along a direction of the index rotary table 17, and further, in order to facilitate adjustment of the clamping point, a position adjusting structure for adjusting the position of the clamping member may be disposed between the at least one fixed column and the clamping member.

As shown in fig. 10 and 11, the position adjusting structure includes a first hinge arm 27 and a second hinge arm 28, one end of the first hinge arm 27 is hinged to the fixed post 24 through a hinge shaft, the other end is hinged to the first end of the second hinge arm 28 through a hinge shaft, the fastening clip is hinged to the second end of the second hinge arm 28 through a hinge shaft, the axial directions of the three hinge shafts are all consistent with the extending direction of the fixed post 24, and the fastening clip can adjust the clamping position more flexibly through the first hinge arm 27 and the second hinge arm 28, so as to better meet the clamping requirements of bent pipes of various shapes. In a preferred embodiment of this embodiment, as shown in fig. 11, the fixed post 24 connected to the first hinge arm 27 may be a circular post, and is disposed on the sliding seat of the movable slide rail 29, and the fixed post 24 is rotatably connected to the sliding seat. Thus, the adjustability of the clamp is enhanced and the range of adjustability is widened.

At each hinge point, first articulated arm 27, second articulated arm 28, fixed column 24 and fastening folder all can be with articulated shaft threaded connection, or, as shown in fig. 11, the tip of each articulated shaft all is provided with the retaining member and cramps each articulated shaft, specifically can be the elasticity axle bed 30 among the prior art, elasticity axle bed 30 is including the shaft hole that supplies articulated pivot to penetrate and being used for adjusting the fastening bolt in shaft hole size, be provided with the disconnection mouth that link up on the lateral wall in shaft hole, in fastening bolt penetrates the rampart of disconnected opening both sides, adjust the elasticity in shaft hole through fastening bolt's tightening degree. The base of the elastic shaft seat 30 is connected to the first hinge arm 27 or the second hinge arm 28, and the shaft hole is penetrated by a hinge shaft, and the hinge shaft is locked to prevent the hinge shaft from rotating relative to the hinge arm. The fixed post 24 on the movable sliding rail 29 can also be fastened with the sliding seat through the elastic shaft seat 30.

As shown in fig. 9, the fastening clip includes a bearing seat connected to the fixing column 24 and an expanding core clamp 25, the expanding core clamp 25 can be located behind the bearing seat, the end of the bent pipe firstly extends into the bearing of the bearing seat to be supported and fixed, and then is sleeved on the expanding core clamp 25, the expanding core clamp 25 is an expanding core clamp or an expanding core chuck in the prior art, and includes a tapered mandrel and an expandable expanding sleeve with a crack, the mandrel penetrates through the expanding sleeve, the bent pipe is sleeved on the expanding sleeve, when the mandrel moves to prop the expanding sleeve, the expanding sleeve expands to lock the end of the bent pipe and prevent the bent pipe from rotating, the mandrel resets, the expanding sleeve retracts, and the bent pipe can be released to be detached.

The movement of the mandrel can be shaking by a handle, or in the embodiment, the clamping assembly further comprises a speed regulating motor 26, a power output shaft of the speed regulating motor 26 is in transmission connection with the mandrel of the core expanding clamp 25, the movement of the mandrel is controlled by the speed regulating motor 26 to lock or loosen the bent pipe, the operation is easy, and the control is accurate.

It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments. The multiple schemes provided by the invention comprise basic schemes, are independent from each other and are not restricted with each other, but can be combined with each other under the condition of no conflict, so that multiple effects are realized together.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A polishing device is characterized by comprising a control device, a processing platform (15), a traveling structure for driving a round tube to travel, at least one group of polishing wheel sets, and adjusting and compensating structures which correspond to the polishing wheel sets one by one and are used for adjusting polishing intervals;

the advancing structure comprises a clamping assembly for fixing the round pipe, a linear guide assembly for driving the clamping assembly to linearly displace and a rotating mechanism for driving the clamping assembly to rotate, the linear guide assembly comprises at least two linear guide mechanisms which respectively guide along mutually perpendicular directions, the rotating center line of the rotating mechanism is perpendicular to the guide directions of the two linear guide mechanisms, and the power of the linear guide mechanisms and the rotating power of the rotating mechanism are both electrically connected with the control device;

the polishing wheel set comprises two polishing wheels respectively positioned at two sides of the radial direction of the circular tube and polishing power (1) corresponding to the polishing wheels one by one, the adjusting and compensating structure comprises a first guiding mechanism and at least one first bearing block (2), the first guide mechanism comprises a first guide rail (3) extending along the radial direction of the polishing wheel, a first guide block (20) slidably arranged on the first guide rail (3) and first guide power for driving the first guide block (20) to displace along the extending direction of the first guide rail (3), and the first guide power is electrically connected with the control device, the first bearing block (2) is provided with the polishing wheel and the polishing power (1) correspondingly, the first bearing blocks (2) are connected with the first guide blocks (20) in a one-to-one correspondence mode and move along the first guide rail (3) along with the first guide blocks (20).

2. The polishing apparatus according to claim 1, wherein the linear guide assembly comprises a second guide mechanism (18) and a third guide mechanism (19), the second guide mechanism (18) comprises a second rail extending in a transverse direction, a second guide block (21) slidably connected to the second rail, and a second power driving the second guide block (21) to displace in a guide direction of the second rail, the third guide mechanism (19) comprises a third rail extending in a longitudinal direction, a third guide block (22) slidably connected to the third rail, and a third power driving the third guide block (22) to displace in the guide direction of the third rail, the rotating mechanism further comprises an index dial (17) drivingly connected to the rotating power, and the second guide block (21), the third guide block (22), and the index dial (17) are stacked and linked in a vertical direction or a horizontal direction and are disposed in a linkage manner And the clamping assembly is arranged above the highest one of the three and is connected with the highest one.

3. The polishing apparatus as recited in claim 1, wherein said control device further comprises a spacing compensation structure for sensing and adjusting the spacing between two of said polishing wheels in said polishing wheel assembly.

4. A polishing apparatus according to claim 3, wherein said spacing compensation structure includes a feeding module electrically connected to said guiding power and monitoring said guiding power current, and a control module controlling said guiding power according to information of said feeding module.

5. The polishing apparatus according to claim 1, wherein the adjusting and compensating structure further comprises a wear reducing mechanism, the wear reducing mechanism comprises a swinging power (6) and a second bearing block (4), the second bearing block (4) is connected to the first guide block (20), the swinging power (6) and the first bearing block (2) are both disposed on the second bearing block (4), a slide rail extending along the axial direction of the polishing wheel is disposed on the second bearing block (4), the first bearing block (2) is slidably connected to the slide rail, and the swinging power (6) is drivingly connected to the first bearing block (2) and pushes the first bearing block (2) to displace along the extension direction of the slide rail.

6. The polishing apparatus according to claim 5, wherein the adjusting and compensating structure further comprises a fine adjustment mechanism, the fine adjustment mechanism comprises a fine adjustment power (7) and a third bearing block (5), the third bearing block (5) is connected with the first guide block (20), the fine adjustment power (7) and the second bearing block (4) are both disposed on the third bearing block (5), and the fine adjustment power (7) is in transmission connection with the second bearing block (4) and pushes the second bearing block (4) to displace along the length direction of the first guide rail (3).

7. A polishing device according to claim 6, characterized in that the power take-off shaft of the rocking power (6) is in driving connection with the first carrier block (2) via a slider-crank arrangement; the crank block structure is provided with a length adjusting structure for adjusting the length of the crank.

8. The polishing apparatus according to claim 2, wherein the clamping assembly comprises two fixed columns (24) arranged at intervals and fastening clamps arranged on the fixed columns (24) in a one-to-one correspondence manner, the fastening clamps comprise core expanding clamps (25), and at least one fixed column (24) is slidably arranged on the indexing turntable (17) through a sliding rail.

9. A polishing device as set forth in claim 8, characterized in that between at least one of the fixing posts (24) and the corresponding clamp there is provided a position adjustment structure for adjusting the position of the clamp.

10. A polishing machine as claimed in claim 9, characterized in that said position adjustment means comprise a first hinge arm (27) and a second hinge arm (28), said first hinge arm (27) being hinged at one end to said fixed column and at the other end to a first end of said second hinge arm (28), said clamping jaw being hinged to a second end of said second hinge arm (28).

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