CN217492950U - Adjustable deburring cutter assembly and deburring device - Google Patents

Abstract

The application provides an adjustable deburring cutter assembly and a deburring device, which relate to the technical field of machining and comprise a first motor and a deburring unit, wherein the deburring unit comprises a carrier, a driving unit and a plurality of deburring cutter bodies which are annularly arranged, the carrier is connected with the first motor, and the first motor is used for driving the carrier to rotate; on drive unit and a plurality of burring cutter body all located the carrier, a plurality of burring cutter bodies are connected with drive unit, and drive unit is used for driving a plurality of burring cutter bodies and moves for the carrier to drive a plurality of burring cutter bodies and draw in or scatter. The automation degree is high, the efficiency is high, and the consistency is high. The deburring device is suitable for deburring of holes with different sizes, and is wide in application range and low in cost.

Description

Adjustable deburring cutter assembly and deburring device

Technical Field

The utility model relates to a machine tooling technical field particularly, relates to a burring cutter unit spare and burring device with adjustable.

Background

When RV speed reducer parts are produced and manufactured, burrs on through holes are inevitable, but as a representative work of precision transmission, the speed reducer has extremely high requirements on the coaxiality and the roundness of the through holes of the parts in order to ensure the precision of power transmission. Traditional RV part through-hole burr is got rid of with artifical form usually, and the manual work of the handheld file of staff is polished, and is not only inefficient, and the burr is got rid of the back, and the precision of through-hole also can't be guaranteed, and low quality through-hole can lead to the speed reducer can't realize the power transmission of high accuracy and lead to the speed reducer operation in-process to produce the abnormal sound again.

The inventor researches and discovers that the existing speed reducer part deburring method has the following defects:

the efficiency is low, and the quality is low, easily reduces the assembly quality of speed reducer, weakens the performance of speed reducer.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a burring cutter unit spare and burring device with adjustable, it can guarantee the operating quality when improving the operating efficiency to improve the assembly quality of speed reducer, promote the performance of speed reducer.

The embodiment of the utility model is realized like this:

in a first aspect, the utility model provides a burring cutter unit with adjustable, include:

the deburring device comprises a first motor and a deburring unit, wherein the deburring unit comprises a carrier, a driving unit and a plurality of deburring cutter bodies which are annularly arranged, the carrier is connected with the first motor, and the first motor is used for driving the carrier to rotate; the driving unit and the plurality of deburring cutter bodies are all arranged on the carrier, the plurality of deburring cutter bodies are connected with the driving unit, and the driving unit is used for driving the plurality of deburring cutter bodies to move relative to the carrier so as to drive the plurality of deburring cutter bodies to be folded or unfolded.

In an optional embodiment, the driving unit includes a second motor and a transmission structure, the second motor is disposed on the carrier, the transmission structure is connected to the second motor and the carrier, and the transmission structure is connected to the plurality of deburring cutter bodies, and the transmission structure is configured to convert a rotational motion of the second motor into a linear sliding motion of the plurality of deburring cutter bodies, so that the plurality of deburring cutter bodies are folded or unfolded.

In an optional embodiment, the transmission structure comprises a second lead screw, a sliding disc and a plurality of guy cables equal to the deburring cutter bodies in number, the second lead screw is connected with an output shaft of the second motor, the sliding disc is in threaded connection with the second lead screw, and the sliding disc and the carrier are relatively fixed in the circumferential direction of the second lead screw; one end of each of the plurality of stay cables is connected with the sliding disc, the other ends of the plurality of stay cables are respectively connected with the plurality of deburring cutter bodies in a one-to-one correspondence mode, and the plurality of deburring cutter bodies are all connected with the carrier in a sliding mode in the radial direction of the second lead screw.

In an optional implementation manner, the transmission structure further comprises reversing pulleys, the reversing pulleys are rotatably connected with the carrier, the number of the reversing pulleys is equal to that of the inhaul cables, the reversing pulleys are matched with the inhaul cables in a one-to-one correspondence manner, and the inhaul cables penetrate through pulley grooves of the corresponding reversing pulleys.

In an optional embodiment, the carrier comprises a hollow connecting cylinder, a plurality of guide rods, guide rods and guide rails, wherein the number of the guide rods is equal to that of the deburring cutter bodies, and one end of the connecting cylinder is connected with an output shaft of the first motor; the second motor is arranged at one end of the connecting cylinder, which is far away from the first motor; one end of each guide rod is connected with the connecting cylinder, the other end of each guide rod extends away from the connecting cylinder along the radial direction of the connecting cylinder, the guide rods are radially arranged, and each guide rod is provided with a guide groove; the plurality of deburring cutter bodies are respectively arranged in the plurality of guide grooves in a one-to-one corresponding and slidable manner; one of the guide rod and the guide rail is connected with the connecting cylinder, and the other guide rod and the guide rail are connected with the sliding disc so as to limit the sliding disc to rotate relative to the connecting cylinder.

In an optional embodiment, the deburring unit further comprises a shaping structure, the shaping structure comprises a fixing piece and a plurality of sliding pieces, the number of the sliding pieces is equal to that of the deburring cutter bodies, one ends of the sliding pieces are connected with the fixing piece in a sliding mode, and the other ends of the sliding pieces are connected with the deburring cutter bodies in a one-to-one correspondence mode; and an elastic reset piece is arranged between each sliding piece and each fixing piece, and the elastic reset pieces are used for enabling the deburring cutter body to have the trend of moving from outside to inside.

In an alternative embodiment, the number of the deburring units is two, and the plurality of deburring blades of the first deburring unit of the two deburring units are detachably connected with the plurality of deburring blades of the second deburring unit of the two deburring units in a one-to-one correspondence manner.

In an optional embodiment, the adjustable deburring cutter assembly further comprises a first three-dimensional moving platform and a second three-dimensional moving platform, wherein the first three-dimensional moving platform is connected with the first deburring unit and is used for driving the first deburring unit to move in a three-dimensional space; the second three-dimensional moving platform is connected with the second deburring unit and used for driving the second deburring unit to move in a three-dimensional space.

In a second aspect, the present invention provides a deburring apparatus, comprising:

frame, anchor clamps and any one of the adjustable burring cutter subassembly of aforementioned embodiment, anchor clamps with adjustable burring cutter subassembly all with the frame is connected, anchor clamps are used for the centre gripping work piece, a plurality of burring cutter bodies are used for wearing to locate the centre gripping in the pending downthehole of work piece on the anchor clamps, just a plurality of burring cutter bodies can with the pore wall butt of pending hole.

In an alternative embodiment, the clamp includes two clamp plates in pair, each clamp plate is provided with two clamping walls, the two clamping walls are obliquely arranged, the two clamping walls of the two clamp plates are opposite to one side with larger width, and the clamping walls are used for abutting against the workpiece.

The embodiment of the utility model provides a beneficial effect is:

in conclusion, the adjustable deburring cutter assembly provided by the embodiment has the advantages that after the deburring cutter body and the workpiece are assembled, the first motor is started, the first motor is utilized to drive the carrier to rotate, so that the plurality of deburring cutter bodies are driven to rotate together through the carrier, the plurality of deburring cutter bodies are utilized to carry out automatic deburring operation on the hole wall of the hole to be processed of the workpiece, and the efficiency is high. And before the burr, can be according to the position of a plurality of burring cutter bodies of the size adjustment in pending hole of work piece for a plurality of burring cutter bodies scatter or shrink, before the location, make a plurality of burring cutter bodies shrink earlier, and small is convenient for insert the pending hole of work piece, then utilizes drive unit to drive a plurality of burring cutter bodies and scatter from the center to around, and the cutting edge of every burring cutter body can laminate on the pore wall in pending hole, thereby can handle the hole and carry out the burring operation. Therefore, the deburring device can be suitable for deburring of holes to be processed in different sizes, and is wide in application range.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a state of a deburring device according to an embodiment of the present invention;

fig. 2 is a schematic structural view of another state of the deburring device according to the embodiment of the present invention;

fig. 3 is a schematic structural diagram of a rack according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a clamp according to an embodiment of the present invention;

fig. 5 is a schematic structural view of an adjustable deburring tool assembly according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a deburring unit according to an embodiment of the present invention;

fig. 7 is a schematic structural view of a hidden connecting cylinder part structure of the deburring unit according to the embodiment of the present invention;

FIG. 8 is an enlarged, fragmentary, schematic view of FIG. 7;

fig. 9 is a schematic structural view of two deburring tool bodies to be assembled according to an embodiment of the present invention;

fig. 10 is a schematic structural view of the shaping structure according to the embodiment of the present invention;

fig. 11 is a schematic sectional structural view of a partial structure of the shaping structure according to an embodiment of the present invention.

Icon:

001-first direction; 002-a second direction; 003-third direction; 100-a frame; 110-a first side panel; 120-a second side panel; 130-a top plate; 140-a base plate; 150-mounting bar; 151-card slot; 200-a clamp; 210-mounting a frame; 211-a first mounting side; 212-a second mounting side; 220-a first drive unit; 221-a drive motor; 222-a first lead screw; 223-a limiting rod; 230-a splint; 231-a receiving groove; 232-a clamping wall; 240-mounting the guide rail; 250-a ball bearing; 300-an adjustable deburring tool assembly; 310-a first motor; 320-a deburring unit; 321-a carrier; 3211-a connecting cylinder; 3212-a guide rod; 3213-a guide bar; 3214-a guide rail; 3215-avoiding hole; 3216-chute; 322-a second drive unit; 3221-a second motor; 3222-a transmission structure; 3223-a second lead screw; 3224-sliding disc; 3225-a pull cable; 323-deburring the cutter body; 324-a first diverting pulley; 325 — a second diverting pulley; 326-shaping structure; 3261-fixing part; 3262-a slider; 3263-elastic restoring element; 330-three-dimensional mobile platform; 331-a first sliding mechanism; 332-a second sliding mechanism; 333-a third sliding mechanism; 334-an adaptor; 335 — Assembly plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in 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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

At present, precision of workpieces, particularly workpieces for machining and manufacturing speed reducers, needs to be guaranteed, and preparation of each workpiece has very high requirements. In the process of machining and manufacturing workpieces, holes can be formed in the workpieces, deburring treatment needs to be carried out on the inner walls of the holes, manual treatment is usually adopted in the prior art, the efficiency is low, the consistency is poor, the deburring quality is poor, the assembly precision of the speed reducer is poor, and the performance of the speed reducer is affected.

In view of this, the designer has designed a burring device, can realize automatic burring operation to the pore wall of the pending hole of work piece, and is efficient, and the burring quality is high, and the precision of work piece is high, and the speed reducer assembly quality is high, and the performance is good.

It should be understood that the deburring device may also be applied in fields other than speed reducers.

Referring to fig. 1 and 2, in the present embodiment, the deburring apparatus includes a frame 100, a jig 200, and an adjustable deburring tool assembly 300. The fixture 200 and the adjustable deburring tool assembly 300 are both assembled on the frame 100, the fixture 200 is used for clamping a workpiece to be machined, and the adjustable deburring tool assembly 300 is used for deburring the hole wall of a hole to be processed of the workpiece clamped on the fixture 200.

Referring to fig. 3, in the present embodiment, optionally, the rack 100 includes a first side plate 110, a second side plate 120, a top plate 130 and a bottom plate 140, the first side plate 110 and the second side plate 120 are rectangular plates and are disposed oppositely, the top plate 130 and the bottom plate 140 are both located between the first side plate 110 and the second side plate 120, and the top plate 130 may be welded and fixed with the first side plate 110 and the second side plate 120. The bottom plate 140 may be welded and fixed to the first side plate 110 and the second side plate 120. Moreover, the top plate 130 and the bottom plate 140 are both hollow plates, that is, a first assembling hole is formed on the top plate 130, and a second assembling hole is formed on the bottom plate 140. The first assembly hole and the second assembly hole are rectangular holes.

Further, the first side plate 110 and the second side plate 120 are both provided with mounting bars 150, the number of the mounting bars 150 on the first side plate 110 is equal to that of the mounting bars 150 on the second side plate 120, the mounting bars 150 on the first side plate 110 are in one-to-one corresponding fit with the mounting bars 150 on the second side plate 120, and the two fitting mounting bars 150 are used for assembling one fixture 200 together.

Optionally, a clamping groove 151 may be disposed on the mounting bar 150, and a length of the clamping groove 151 extends along an extending direction of an intersection line of the first side plate 110 and the top plate 130. The locking groove 151 may be a dovetail groove, a T-shaped groove, or the like.

Referring to fig. 1 and 4, in the present embodiment, the clamp 200 may alternatively include a rectangular mounting frame 210, two first driving units 220, and two clamping plates 230. The mounting frame 210 is mounted between the first side plate 110 and the second side plate 120, the two first driving units 220 are respectively connected with the two clamping plates 230, the two clamping plates 230 are movably connected with the mounting frame 210, the two first driving units 220 respectively drive the two clamping plates 230 to move, and the two clamping plates 230 are matched to clamp a workpiece.

Optionally, the mounting frame 210 has a first mounting side 211 and a second mounting side 212 in the first direction 001, the first mounting side 211 and the second mounting side 212 are both provided with a mounting rail 240, the mounting rail 240 on the first mounting side 211 is in snap fit with the mounting bar 150 on the first side plate 110, and the mounting rail 240 on the second mounting side 212 is in snap fit with the mounting bar 150 on the second side plate 120, that is, the mounting rail 240 is in snap fit with the corresponding slot 151. In this way, the movement of the mounting frame 210 in both the first direction 001 and the second direction 002 perpendicular to the first direction 001 is restricted. The second direction 002 is the arrangement direction of the top plate 130 and the bottom plate 140.

The mounting frame 210 is slidable relative to the mounting bar 150 in the longitudinal direction of the mounting bar 150, so that the jig 200 can be removed from the mounting bar 150. To reduce friction, balls 250 may be provided on the card slot 151 or the mounting rail 240.

The two first driving units 220 and the two clamping plates 230 have the same matching structure and the same installation manner, and the first driving unit 220 and the clamping plate 230 corresponding to and matching with the first side plate 110 are described in this embodiment. The first driving unit 220 is set as a second lead screw 3223 transmission structure 3222, specifically, the first driving unit 220 includes a driving motor 221, a first lead screw 222 and a limiting rod 223, the driving motor 221 is fixedly connected to the first mounting side 211 of the mounting frame 210, an output shaft of the driving motor 221 extends along the first direction 001, the first lead screw 222 is fixedly connected to the output shaft of the driving motor 221, a threaded hole is formed in the clamping plate 230, and the first lead screw 222 is screwed with the threaded hole in the clamping plate 230. The stopper rod 223 is connected to the first mounting side 211 and the clamp plate 230 at the same time, the stopper rod 223 is parallel to the first lead screw 222, and the clamp plate 230 can slide in the extending direction of the stopper rod 223. Thus, under the driving of the driving motor 221, the first lead screw 222 is driven to rotate, so as to drive the clamping plates 230 to slide in a reciprocating manner in the extending direction of the second lead screw 3223, and the two clamping plates 230 operate synchronously, so that the workpieces can be clamped in the process of approaching each other. After the workpiece is machined, the two clamping plates 230 are far away from each other, and the workpiece is loosened.

Further, the clamping plates 230 have receiving grooves 231, the receiving grooves 231 extend in the second direction 002 and are through grooves, the notches of the receiving grooves 231 are in the first direction 001, and the notches of the receiving grooves 231 on the two clamping plates 230 are opposite. Each of the accommodating grooves 231 has two holding walls 232 arranged in the third direction 003, the two holding walls 232 are obliquely arranged, and the two holding walls 232 are arranged in mirror symmetry. The width between the two clamping walls 232 is the width of the accommodating groove 231, and the width of the accommodating groove 231 is gradually reduced in the direction from the notch to the bottom of the groove, that is, the accommodating groove 231 is approximately an isosceles trapezoid groove, so that workpieces with different sizes can be clamped, and the application range is wide. The third direction 003 is perpendicular to the first direction 001 and the second direction 002 simultaneously, in other words, the first direction 001, the second direction 002 and the third direction 003 are perpendicular to each other two by two, and together form a three-dimensional coordinate system.

It should be understood that the two clamping plates 230 may be arranged in mirror symmetry, so that when clamping a workpiece, the two clamping plates 230 are close to or far away from each other, and after clamping the workpiece, the workpiece can be located at the middle position of the mounting frame 210, which is beneficial for being used with a deburring tool assembly.

It should be noted that the number of the clamps 200 may be one or more, when the number of the clamps 200 is plural, the plurality of clamps 200 are sequentially arranged in the second direction 002, and each clamp 200 can clamp one workpiece, so that the plurality of clamps 200 can simultaneously clamp a plurality of workpieces, thereby simultaneously performing the deburring operation on the plurality of workpieces by using the adjustable deburring tool assembly 300, and improving the operation efficiency. Meanwhile, the plurality of workpieces are synchronously deburred, the plurality of workpieces are positioned under the same assembly reference, and the plurality of machined workpieces have small errors, high consistency and good interchangeability. Obviously, a plurality of clamps 200 may also be used in combination to clamp a workpiece.

It should be understood that in other embodiments, the first driving unit 220 may also be an electric push rod, a hydraulic or pneumatic cylinder, etc.

Referring to fig. 1 and 5, in the present embodiment, optionally, the adjustable deburring tool assembly 300 includes a first motor 310 and a deburring unit 320, the deburring unit 320 includes a carrier 321, a second driving unit 322, and a plurality of deburring tool bodies 323 arranged in an annular shape, the carrier 321 is connected to the first motor 310, and the first motor 310 is used for driving the carrier 321 to rotate; the second driving unit 322 and the plurality of deburring cutter bodies 323 are disposed on the carrier 321, the plurality of deburring cutter bodies 323 are connected to the second driving unit 322, and the second driving unit 322 is configured to drive the plurality of deburring cutter bodies 323 to move relative to the carrier 321, so as to drive the plurality of deburring cutter bodies 323 to be folded or unfolded.

Referring to fig. 1, fig. 2 and fig. 5, in the present embodiment, optionally, two deburring units 320 may be provided, where the two deburring units 320 correspond to the top plate 130 and the bottom plate 140 respectively, and the two deburring units 320 cooperate to perform deburring operation on the hole to be processed of the workpiece. Meanwhile, each deburring unit 320 is connected to the top plate 130 or the bottom plate 140 through a three-dimensional moving platform 330. In the present embodiment, the three-dimensional moving platform 330 that drives the two deburring units 320 has the same structure and the same assembly method as the machine frame 100, and in the present embodiment, the deburring unit 320 and the three-dimensional moving platform 330 that face the top plate 130 are described as an example.

Referring to fig. 1, the three-dimensional moving platform 330 includes a first sliding mechanism 331, a second sliding mechanism 332, a third sliding mechanism 333, an adaptor 334, and a mounting plate 335, wherein the first sliding mechanism 331, the second sliding mechanism 332, and the third sliding mechanism 333 are all connected to the adaptor 334, and the mounting plate 335 is connected to the third sliding mechanism 333. The first slide mechanism 331 is provided in the fitting hole of the top plate 130, and the first slide mechanism 331 is slidably connected to the fitting hole in the third direction 003. The second sliding mechanism 332 is disposed in the mounting hole of the top plate 130, and the second sliding mechanism 332 is slidably connected with the mounting hole in the first direction 001; the first sliding mechanism 331 is used for driving the adaptor 334, the second sliding mechanism 332 and the third sliding mechanism 333 to slide in a reciprocating manner in the first direction 001, and the second sliding mechanism 332 is used for driving the adaptor 334, the first sliding mechanism 331 and the third sliding mechanism 333 to slide in a reciprocating manner in the third direction 003; the third sliding mechanism 333 is configured to drive the mounting plate 335 to reciprocate in the second direction 002. In this manner, the positional adjustment of the mounting plate 335 in the three-dimensional space is achieved. The two deburring units 320 are driven by the corresponding three-dimensional moving platform 330, can be independently adjusted, and are convenient and flexible to operate.

It should be understood that the first, second, and third slide mechanisms 331, 332, and 333 may be provided as air cylinders, hydraulic cylinders, or the like.

Optionally, the third sliding mechanism 333 includes two air cylinders or hydraulic cylinders to improve the balance of the carrier 321.

Alternatively, the mounting plate 335 is a rectangular plate, and the first motor 310 is fixed on the mounting plate 335 and is located between two air cylinders or hydraulic cylinders of the third sliding mechanism 333. Also, the output shaft of the first motor 310 extends in the second direction 002.

Referring to fig. 6 and 7, optionally, the carrier 321 includes a hollow connection cylinder 3211, a plurality of guide rods 3212, a guide rod 3213, and a guide rail 3214. The connecting cylinder 3211 has first and second ends in the axial extension direction thereof, and the first end is connected to the output shaft of the first motor 310 through a coupling. A plurality of avoiding holes 3215 evenly arranged in the circumferential direction are formed in the circumferential wall of the connecting cylinder 3211, and the avoiding holes 3215 are bar-shaped and extend in the second direction 002. The number of the avoiding holes 3215 is equal to the number of the guide rods 3212 and corresponds to one another. A plurality of guide bars 3212 are all fixed at the second end, a plurality of guide bars 3212 are evenly arranged at intervals in the circumferential direction of the connecting cylinder 3211, and each guide bar 3212 corresponds to one avoiding hole 3215, that is, the corresponding guide bars 3212 and avoiding holes 3215 are in the same vertical plane of the axis passing through the connecting cylinder 3211. The guide rods 3212 extend in the radial direction of the connecting cylinder 3211, and a plurality of guide rods 3212 are radially arranged. Each guide rod 3212 is provided with a sliding groove 3216, the sliding groove 3216 extends along the length direction of the guide rod 3212, the end of each guide rod 3212, which is far away from the connecting cylinder 3211, is provided with a first reversing pulley 324, and the first reversing pulley 324 is a fixed pulley and is located in the sliding groove 3216. Meanwhile, second diverting pulleys 325, the number of which is the same as that of the first diverting pulleys 324, are provided on the second end of the connecting cylinder 3211, and the plurality of first diverting pulleys 324 correspond one-to-one to the plurality of second diverting pulleys 325.

The number of the guide rails 3214 and the guide rods 3213 is four, the four guide rails 3214 are located in the connecting cylinder 3211 and are uniformly arranged at intervals in the circumferential direction of the connecting cylinder 3211, each guide rail 3214 extends along the second direction 002, and a guide groove is formed in each guide rail 3214. A guide rod 3213 is slidably disposed in a guide groove of each guide rail 3214, and the guide rod 3213 and the guide groove are relatively fixed in a circumferential direction of the guide rod 3213, that is, rotation of the guide rod 3213 and the guide rail 3214 is restricted.

Referring to fig. 6 to 8, optionally, the second driving unit 322 includes a second motor 3221 and a transmission structure 3222, the second motor 3221 is fixed to the second end of the connecting cylinder 3211, and an output shaft of the second motor 3221 extends along the second direction 002. The transmission structure 3222 is connected to the second motor 3221 and the connecting cylinder 3211, and the transmission structure 3222 is connected to the plurality of deburring blades 323, and the transmission structure 3222 is configured to convert a rotating motion of the second motor 3221 into a linear sliding motion of the plurality of deburring blades 323, so as to fold or unfold the plurality of deburring blades 323.

For example, in this embodiment, the transmission structure 3222 includes a second lead screw 3223, a sliding disc 3224, and a plurality of cables 3225 equal to the number of the deburring bodies 323, the second lead screw 3223 is connected to the output shaft of the second motor 3221, the second lead screw 3223 extends along the second direction 002, and the second lead screw 3223 is located in the connecting cylinder 3211 and is disposed coaxially with the axis of the connecting cylinder 3211. The sliding disc 3224 is screwed with the second lead screw 3223, and the sliding disc 3224 and the carrier 321 are relatively fixed in the circumferential direction of the second lead screw 3223, specifically, the guide rod 3213 is connected with the sliding disc 3224, and the guide rod 3213 and the guide rail 3214 not only serve to guide the sliding disc 3224 to slide in the second direction 002, but also can prevent the sliding disc 3224 from rotating relative to the connecting cylinder 3211. One end of each of the plurality of stay cables 3225 is connected to the sliding disc 3224, and the plurality of stay cables 3225 are uniformly arranged at intervals in the circumferential direction of the sliding disc 3224, and each of the stay cables 3225 includes a first diverting pulley 324, a second diverting pulley 325, an avoiding hole 3215, a guide rod 3212 and a deburring cutter body 323, that is, the other end of each of the stay cables 3225 firstly passes around the second diverting pulley 325, then extends out of the corresponding avoiding hole 3215, then passes around the first diverting pulley 324 in the direction opposite to the second diverting pulley 325, and finally is connected to the corresponding deburring cutter body 323. The plurality of deburring cutter bodies 323 are slidably connected to the slide grooves 3216 of the plurality of guide rods 3212, respectively, that is, each deburring cutter body 323 is slidably connected to the guide rod 3212 in the radial direction of the connecting cylinder 3211. It should be appreciated that the deburring tool 323 may be slidably coupled to the guide rod 3212 via the ball bearings 250, reducing friction.

When the positions of the plurality of deburring cutter bodies 323 are controlled, the second motor 3221 is started, the second motor 3221 rotates reversely to drive the plurality of deburring cutter bodies 323 to be folded, and the second motor 3221 rotates positively to drive the plurality of deburring cutter bodies 323 to be unfolded. In an initial state, the plurality of deburring cutter bodies 323 may be gathered to reduce the volume, thereby facilitating the penetration into the hole to be processed of the workpiece. After the plurality of deburring cutter bodies 323 are all arranged in the hole to be processed of the workpiece in a penetrating mode, the second motor 3221 rotates positively, the sliding disc 3224 ascends, one end, connected with the sliding disc 3224, of the stay cable 3225 ascends, the stay cable 3225 drives the corresponding deburring cutter bodies 323 to slide from inside to outside, and the plurality of deburring cutter bodies 323 scatter and are in contact with the hole wall of the hole to be processed.

Referring to fig. 10 and 11, in order to ensure the stability of the plurality of deburring cutter bodies 323, optionally, the deburring unit 320 further includes a shaping structure 326, the shaping structure 326 includes a fixed member 3261 and a plurality of sliding members 3262 equal in number to the deburring cutter bodies 323, the fixed member 3261 is provided with a plurality of sliding holes equal in number to the sliding members 3262, one end of each sliding member 3262 is inserted into the corresponding sliding hole and is slidably connected with the fixed member 3261, and the other ends of the plurality of sliding members 3262 are respectively connected with the plurality of deburring cutter bodies 323 in a one-to-one correspondence manner; and an elastic resetting member 3263 is arranged between each sliding member 3262 and the fixed member 3261, and the elastic resetting member 3263 is used for enabling the deburring cutter body 323 to have the tendency of moving from outside to inside. The elastic restoring member 3263 may be a spring or a resilient plate. When the second motor 3221 rotates forward to drive the plurality of deburring cutter bodies 323 to be dispersed, the elastic resetting member 3263 is stretched, and when the second motor 3221 rotates backward to drive the plurality of deburring cutter bodies 323 to be collected, the plurality of deburring cutter bodies 323 are collected under the action of the elastic resetting member 3263.

Referring to fig. 9, in the embodiment, it should be noted that the top plate 130 and the bottom plate 140 are respectively provided with the deburring units 320, the deburring cutter bodies 323 of the two deburring units 320 are equal in number and correspond to each other one by one, when deburring operation of a workpiece is required, the deburring cutter bodies 323 of the two deburring units 320 are connected in one-to-one correspondence, the deburring unit 320 corresponding to the top plate 130 is driven to rotate by the second motor 3221, and torque is transmitted to the deburring unit 320 corresponding to the bottom plate 140 through a connecting position, so that the two deburring units 320 rotate synchronously, after the two deburring units 320 are matched, both ends of the deburring cutter body 323 are fixed ends, the deburring cutter bodies 323 do not have a suspended end, the plurality of deburring cutter bodies 323 are not easy to deform in a rotating process, the coaxiality with holes to be processed is high, and the deburring quality is high.

It should be understood that two deburring bodies 323 located in different deburring units 320 may be fitted in a bayonet manner. For example, one of the two deburring cutters 323 fitted in an insertion manner is provided with an insertion slot, and the other is provided with an insertion projection, which is inserted into the insertion slot. When the two deburring units 320 are inserted and matched, the two deburring units 320 can be adjusted to be coaxial through the respective three-dimensional moving platforms 330, and then the third sliding mechanisms 333 of the two deburring units drive the two deburring units 320 to approach each other, so that the insertion is completed. It should be understood that the step of plug-fitting the two deburring units 320 is performed before the step of each being plugged into the hole to be processed of the workpiece.

Moreover, when the fixture 200 is used for assembling a workpiece, the two deburring units 320 can be moved to a position away from the area enclosed by the fixture 200, so that the fixture 200 can clamp the workpiece without being influenced by the deburring units 320, the workpiece is clamped more conveniently and flexibly, and the clamping efficiency is high. After the workpiece is clamped, the respective three-dimensional moving platform 330 is used for driving the deburring units 320 to move to two sides of the workpiece, and then the deburring units penetrate through the holes to be processed of the workpiece and are spliced and paired.

The operating principle of the deburring device provided by the embodiment is as follows:

the workpiece is clamped by the fixture 200, then the two deburring units 320 are aligned with the holes to be processed of the workpiece by the two three-dimensional moving platforms 330, and the plurality of deburring cutter bodies 323 of the two deburring units 320 are correspondingly inserted one by one. The second motor 3221 is started, the plurality of deburring cutter bodies 323 are driven to be scattered from the center to the periphery through the guy cables 3225, so that the diameter of the area surrounded by the plurality of deburring cutter bodies 323 is adjusted, the plurality of deburring cutter bodies 323 are all in contact with the hole wall of the hole to be processed, and then the connecting cylinder 3211 is driven to rotate by the first motor 310 to drive the plurality of deburring cutter bodies 323 to rotate, so that deburring operation is performed.

The deburring device that this embodiment provided, degree of automation is high, and the burring is effectual, and the machining error of work piece is little, does benefit to the assembly of speed reducer, and the performance of speed reducer is good.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An adjustable deburring tool assembly comprising:

the deburring device comprises a first motor and a deburring unit, wherein the deburring unit comprises a carrier, a driving unit and a plurality of deburring cutter bodies which are annularly arranged, the carrier is connected with the first motor, and the first motor is used for driving the carrier to rotate; the driving unit and the plurality of deburring cutter bodies are all arranged on the carrier, the plurality of deburring cutter bodies are connected with the driving unit, and the driving unit is used for driving the plurality of deburring cutter bodies to move relative to the carrier so as to drive the plurality of deburring cutter bodies to be folded or unfolded.

2. The adjustable deburring tool assembly of claim 1, wherein:

the drive unit comprises a second motor and a transmission structure, the second motor is arranged on the carrier, the transmission structure is connected with the second motor and the carrier, the transmission structure is connected with the deburring cutter bodies, and the transmission structure is used for converting the rotary motion of the second motor into the linear sliding of the deburring cutter bodies, so that the deburring cutter bodies are folded or unfolded.

3. The adjustable deburring tool assembly of claim 2, wherein:

the transmission structure comprises a second lead screw, a sliding disc and a plurality of inhaul cables, the number of the inhaul cables is equal to that of the deburring cutter bodies, the second lead screw is connected with an output shaft of the second motor, the sliding disc is in threaded connection with the second lead screw, and the sliding disc and the carrier are relatively fixed in the circumferential direction of the second lead screw; one ends of the pull cables are connected with the sliding disc, the other ends of the pull cables are respectively connected with the deburring cutter bodies in a one-to-one correspondence mode, and the deburring cutter bodies are all connected with the carrier in a sliding mode in the radial direction of the second screw rod.

4. The adjustable deburring tool assembly of claim 3, wherein:

the transmission structure further comprises reversing pulleys, the reversing pulleys are rotatably connected with the carrier, the number of the reversing pulleys is equal to that of the inhaul cables, the pulleys are matched in a one-to-one correspondence mode, and the inhaul cables penetrate through pulley grooves of the corresponding reversing pulleys.

5. The adjustable deburring tool assembly of claim 3, wherein:

the carrier comprises a hollow connecting cylinder, a plurality of guide rods, guide rods and guide rails, the number of the guide rods is equal to that of the deburring cutter bodies, and one end of the connecting cylinder is connected with an output shaft of the first motor; the second motor is arranged at one end of the connecting cylinder, which is far away from the first motor; one end of each guide rod is connected with the connecting cylinder, the other end of each guide rod extends away from the connecting cylinder along the radial direction of the connecting cylinder, the guide rods are radially arranged, and each guide rod is provided with a guide groove; the plurality of deburring cutter bodies are respectively arranged in the plurality of guide grooves in a one-to-one corresponding sliding manner; one of the guide rod and the guide rail is connected with the connecting cylinder, and the other guide rod and the guide rail are connected with the sliding disc so as to limit the sliding disc to rotate relative to the connecting cylinder.

6. The adjustable deburring tool assembly of claim 1, wherein:

the deburring unit further comprises a shaping structure, the shaping structure comprises a fixing piece and a plurality of sliding pieces, the number of the sliding pieces is equal to that of the deburring cutter bodies, one ends of the sliding pieces are connected with the fixing piece in a sliding mode, and the other ends of the sliding pieces are respectively connected with the deburring cutter bodies in a one-to-one correspondence mode; and an elastic reset piece is arranged between each sliding piece and each fixing piece, and the elastic reset pieces are used for enabling the deburring cutter body to have the trend of moving from outside to inside.

7. The adjustable deburring tool assembly of claim 1, wherein:

the deburring unit sets up to two, two a plurality of deburring cutters of first deburring unit in the deburring unit respectively one-to-one with two a plurality of deburring cutters detachably of second deburring unit in the deburring unit is connected.

8. The adjustable deburring tool assembly of claim 7, wherein:

the adjustable deburring cutter assembly further comprises a first three-dimensional moving platform and a second three-dimensional moving platform, and the first three-dimensional moving platform is connected with the first deburring unit and used for driving the first deburring unit to move in a three-dimensional space; the second three-dimensional moving platform is connected with the second deburring unit and used for driving the second deburring unit to move in a three-dimensional space.

9. A deburring apparatus characterized by comprising:

the adjustable deburring tool assembly comprises a rack, a clamp and the adjustable deburring tool assembly as claimed in any one of claims 1 to 8, wherein the clamp and the adjustable deburring tool assembly are connected with the rack, the clamp is used for clamping a workpiece, the plurality of deburring tool bodies are used for penetrating into a hole to be processed of the workpiece clamped on the clamp, and the plurality of deburring tool bodies can be abutted against the wall of the hole to be processed.

10. The de-burring apparatus of claim 9, wherein:

the clamp comprises two paired clamp plates, each clamp plate is provided with two clamping walls, the two clamping walls are obliquely arranged, one side of each clamping wall, with the larger width, of each clamping wall is opposite to the other side of each clamping wall, and the clamping walls are used for being abutted to workpieces.

Images