CN218785248U

CN218785248U - Flexible device for mechanically removing burrs on irregular edges

Info

Publication number: CN218785248U
Application number: CN202222889282.8U
Authority: CN
Inventors: 杨宁; 王保国; 周长涛; 孟祥忠; 王杰; 霍广印
Original assignee: Xinxiang Aviation Industry Group Co Ltd
Current assignee: Xinxiang Aviation Industry Group Co Ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-04-04
Anticipated expiration: 2032-10-31

Abstract

The utility model relates to a technical field's a flexible device of irregular edge burr is got rid of to burr, including handle of a knife, main part, the handle of a knife head end outside is equipped with rather than coaxial, and can follow its axial displacement's cutter arbor, and the one end that the cutter arbor is close to the handle of a knife is equipped with expands the neck to the coaxial elasticity that is equipped with the elastic conflict in the cutter arbor between handle of a knife and the cutter arbor is supported the touching piece, the cutter that is used for getting rid of the edge burr is installed to the cutter arbor other end. The utility model discloses because branch receives the restriction of pin to and the cutter arbor terminal surface receives the effect of elasticity supporting piece, realize three point location between cutter arbor and the main part, thereby realize that the cutter arbor reaches universal, the effect of floating, centering, and then can get rid of irregular edge burr, solved among the prior art need artifically get rid of the technical problem to irregular edge burr.

Description

Flexible device for mechanically removing burrs on irregular edges

Technical Field

The utility model relates to a technical field is got rid of to the burr, especially relates to a flexible device of motor-driven irregular edge burr of getting rid of.

Background

During machining, burrs on parts are generally removed manually by using a scraper or an abrasive cloth, but the machining standard is chamfering or rounding and the burrs must be smooth. After the burrs are manually scraped, the quality consistency of the edges is poor, so that repeated correction is needed, and even the requirements cannot be met sometimes. Especially under the background of high requirement on appearance quality of parts at present, deburring becomes a bottleneck in production and needs improvement.

The content of the current deburring is divided into two types, one type is to machine edge burrs with straight-line-shaped connecting surfaces, the edge burrs are mechanically removed by a machining center, and a bench worker repairs and throws the edge burrs; the other is irregular edge burrs, and the removing mode is manual scraper removing;

in the face of the irregular edge burrs, a manual processing mode is adopted, so that the efficiency is low, the requirements on the skill level and the responsibility of workers are high, the labor intensity of operation is high, and the quality consistency is poor. We have therefore provided a flexible device for mechanically removing the irregular edge flash that can be mechanically operated instead of manually operated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flexible device of irregular edge burr is got rid of in order to solve above-mentioned problem in the maneuver.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

a flexible device for mechanically removing irregular edge burrs comprises a knife handle and a main body, wherein a knife rod which is coaxial with the knife handle and can move along the axial direction of the knife handle is arranged on the outer side of the head end of the knife handle, a flaring part is arranged at one end, close to the knife handle, of the knife rod, an elastic contact part which elastically contacts with the knife rod is coaxially arranged between the knife handle and the knife rod, and a cutter for removing the edge burrs is arranged at the other end of the knife rod; the main body is provided with a through hole with the diameter larger than that of the cutter bar and smaller than that of the neck expanding part along the axial direction, the main body is coaxially sleeved on the cutter bar body, a containing groove for containing the neck expanding part is arranged in the middle of one end, corresponding to the cutter handle, of the main body, and the main body is detachably connected to the head end of the cutter handle; expand neck portion lateral wall and be equipped with a plurality of along its radial branch along its even spacer ring of circumference, the position that the holding tank bottom corresponds branch is equipped with along the axial pin group of main part, the pin group includes two pins that are located the branch both sides that correspond respectively, and the one end that the pin corresponds this branch is the calotte end to the calotte end face of pin is contradicted with this branch pole body and is cooperated.

Preferably, the middle part of the head end of the cutter handle is provided with a mounting hole, one end of the elastic contact piece extends into the mounting hole, and the other end of the elastic contact piece is in contact fit with the middle part of the end face of the corresponding cutter bar.

Preferably, the elasticity conflict piece includes first spring, thimble, the one end terminal surface that the cutter arbor is close to the handle of a knife is inside sunken conical surface, the most advanced conflict of thimble cooperates in this conical surface middle part, and the thimble other end stretches into in the mounting hole, and coaxial conflict has first spring, and the first spring other end is contradicted in the mounting hole bottom of hole.

Preferably, the mounting hole is a through hole, an adjusting screw is screwed to a section of the inner cavity of the mounting hole, which is far away from the cutter bar, and the adjusting screw is in interference fit with the end part of the corresponding first spring.

Preferably, an annular groove is formed in the end face of the head end of the knife handle, a bushing coaxial with the annular groove is arranged in the groove cavity of the annular groove in a matching mode, the outer end of the bushing extends into the accommodating groove, and a yielding groove for the support rod to move is formed in the position, corresponding to the support rod, of the outer end face of the bushing; the annular groove is further coaxially provided with a second spring located on the inner side of the bushing, and the outer end of the second spring is in butt fit with the cutter rod.

Preferably, the inner side wall of the annular groove is in threaded fit with an adjusting nut which is in interference fit with the inner end of the second spring, and the outer diameter of the adjusting nut is not larger than the inner diameter of the bushing.

Preferably, the cutter bar comprises a floating rod with a flaring part and a cutter clamping rod, one end of the floating rod, which is far away from the cutter handle, penetrates through the through hole, the end face of the end of the floating rod is provided with an installation blind hole coaxial with the floating rod, one end of the cutter clamping rod is detachably provided with the cutter, the other end of the cutter clamping rod is inserted into the hole cavity of the installation blind hole in a matching manner, and a third spring is arranged between the bottom of the installation blind hole and the cutter clamping rod; the cutter clamping rod body is provided with a radial waist-shaped hole at the position in the mounting blind hole cavity or at the position of the floating rod corresponding to the mounting blind hole, and the floating rod or the cutter clamping rod body is provided with a limiting rod matched with the waist-shaped hole at the position corresponding to the waist-shaped hole.

Preferably, the installation blind hole is a stepped hole with a large-diameter section as an outer section, a steel ball guide sleeve is arranged in the large-diameter section hole cavity of the installation blind hole in a matching mode, and the inner diameter of the steel ball guide sleeve is matched with the outer diameter of the third spring and the diameter of the cutter clamping rod body.

Preferably, the outer end of the mounting blind hole is provided with a necking structure for preventing the steel ball guide sleeve from falling off.

Has the advantages that:

1. the support rod is limited by the pin, and the end face of the cutter bar is under the action of the elastic contact piece, so that three-point positioning between the cutter bar and the main body is realized, the cutter bar achieves the effects of universal orientation, floating orientation and centering, the burrs of the irregular edges can be removed, and the technical problem that the burrs of the irregular edges need to be manually removed in the prior art is solved;

2. due to the arrangement of the elastic contact piece and the taper surface of the cutter bar, the elastic contact piece is in point contact with the middle part of the end surface of the cutter bar, so that one end of the cutter bar, which is far away from a cutter, can be prevented from radially deviating, the effect of centering the cutter bar is further realized, and the effect of removing burrs at irregular edges is better;

3. due to the arrangement of the adjusting nut and the second spring, the position of the adjusting nut can be adjusted, so that the flexible device can be suitable for edge burr removal of materials with different hardness, namely, the flexible device can adjust the universal force of the cutter bar according to different hardness of the processed materials, and the rigidity and excessive cutting of the cutter processing are guaranteed.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention. In the drawings:

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

fig. 3 is a schematic diagram of the explosion structure of the present invention;

FIG. 4 is a cross-sectional view of FIG. 3;

fig. 5 is another cross-sectional view of fig. 3.

The reference numerals are explained below:

1. a knife handle; 11. mounting holes; 12. an adjusting screw; 13. an annular groove; 2. a cutter bar; 21. expanding the neck; 22. a strut; 201. a float rod; 2011. installing blind holes; 202. a tool clamping bar; 203. a third spring; 204. a steel ball guide sleeve; 3. a resilient contact member; 31. a first spring; 32. a thimble; 4. a main body; 41. a through hole; 42. accommodating a tank; 5. a pin group; 51. a pin; 6. a cutter; 7. a bushing; 71. a yielding groove; 8. a second spring; 9. and adjusting the nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the first embodiment, as shown in fig. 1 to 5, a flexible device for mechanically removing burrs at irregular edges comprises a tool holder 1 and a main body 4, wherein a tool bar 2 which is coaxial with the tool holder 1 and can move along the axial direction of the tool holder is arranged outside the head end of the tool holder 1, a neck expansion part 21 is arranged at one end of the tool bar 2 close to the tool holder 1, an elastic contact part 3 which elastically contacts with the tool bar 2 is coaxially arranged between the tool holder 1 and the tool bar 2, and a cutter 6 for removing the burrs at the edges is arranged at the other end of the tool bar 2; the main body 4 is provided with a through hole 41 with the diameter larger than that of the cutter bar 2 and smaller than that of the flaring part 21 along the axial direction, the main body 4 is coaxially sleeved on the rod body of the cutter bar 2, the middle part of one end of the main body 3 corresponding to the cutter handle 1 is provided with an accommodating groove 42 for accommodating the flaring part 21, and the main body 4 is detachably connected with the head end of the cutter handle 1; the side wall of the flaring part 21 is provided with a plurality of supporting rods 22 along the radial direction thereof at even intervals along the circumferential direction, the bottom of the accommodating groove 42 is provided with a pin group 5 along the axial direction of the main body 4 at a position corresponding to the supporting rods 22, the pin group 5 comprises two pins 51 which are respectively positioned at two sides of the corresponding supporting rods 22, one ends of the pins 51 corresponding to the supporting rods 22 are dome ends, and the dome end surfaces of the pins 51 are in interference fit with the rod bodies of the supporting rods 22;

according to the requirement, the side wall of the neck expanding part 21 is provided with three support rods 22;

if desired, the pin 51 may be of mushroom head construction at the domed end corresponding to the post 22;

specifically, the pin 51 does not contact the side wall of the enlarged neck portion 21;

in the above scheme, because branch 22 receives pin 51's restriction to and 2 terminal surfaces of cutter arbor receive the effect of elastic supporting part 3, realize three point location between cutter arbor 2 and the main part 4, thereby realize that cutter arbor 2 reaches universal, unsteady effect, and then can get rid of irregular edge burr, solved among the prior art need the artifical technical problem who gets rid of to irregular edge burr.

In the second embodiment, on the basis of the first embodiment, as shown in fig. 1 to 5, a mounting hole 11 is formed in the middle of the head end of the tool holder 1, one end of the elastic contact piece 3 extends into the mounting hole 11, and the other end of the elastic contact piece is in contact fit with the middle of the end face of the corresponding tool bar 2.

Preferably, the elastic contact element 3 comprises a first spring 31 and a thimble 32, an end surface of the tool bar 2 close to one end of the tool holder 1 is an inwardly concave conical surface, a tip of the thimble 32 is in contact fit with the middle of the conical surface, the other end of the thimble 32 extends into the mounting hole 11 and is in coaxial contact with the first spring 31, and the other end of the first spring 31 is in contact with the bottom of the mounting hole 11;

due to the arrangement of the elastic contact piece 3 and the conical surface of the cutter bar 2, the elastic contact piece 3 is in point contact with the middle of the end surface of the cutter bar 2, the one end, away from the cutter 6, of the cutter bar 2 can be prevented from radially deviating, the centering effect of the cutter bar 2 is realized, and the effect of removing irregular edge burrs is better.

According to the requirement, the mounting hole 11 is a through hole, an adjusting screw 12 is screwed on a section of the inner cavity of the mounting hole 11, which is far away from the cutter bar 2, and the adjusting screw 12 is in interference fit with the end part of the corresponding first spring 31;

the degree of compression of the first spring 31 can be adjusted through the adjusting screw 12, and then the function of adjusting the jacking force of the ejector pin 32 on the cutter rod 2 is realized.

In the third embodiment, on the basis of the first embodiment, as shown in fig. 1 to 5, an annular groove 13 is formed in the end surface of the head end of the tool holder 1, a bushing 7 coaxial with the annular groove 13 is arranged in a groove cavity of the annular groove 13 in a matching manner, the outer end of the bushing 7 extends into the accommodating groove 42, and a yielding groove 71 for moving the support rod 22 is formed in the outer end surface of the bushing 7 corresponding to the support rod 22; the annular groove 13 is also coaxially provided with a second spring 8 positioned on the inner side of the bush 7, and the outer end of the second spring 8 is in interference fit with the cutter bar 2;

the bushing 7 can be used to ensure that the main body 4 is coaxial with the tool shank 1 as required;

according to the requirement, the matching precision of the bush 7 and the knife handle 1 is not more than 0.02mm;

an adjusting nut 9 which is in interference fit with the inner end of the second spring 8 is in threaded fit with the inner side wall of the annular groove 13, and the outer diameter of the adjusting nut 9 is not larger than the inner diameter of the bushing 7;

due to the arrangement of the adjusting nut 9 and the second spring 8, the position of the adjusting nut 9 can be adjusted, so that the flexible device can be suitable for edge burr removal of materials with different hardness, namely, the flexible device can adjust the universal force of the cutter bar 2 according to different hardness of the processed materials, and the rigidity of cutter processing and excessive cutting are guaranteed.

In the fourth embodiment, on the basis of the first embodiment, as shown in fig. 1 to 5, the knife bar 2 includes a floating rod 201 having a neck-expanding portion 21, and a knife clamping rod 202, one end of the floating rod 201, which is far away from the knife handle 1, penetrates through the through hole 41, an end face of the end of the floating rod 201 is provided with a blind mounting hole 2011 coaxial with the floating rod, one end of the knife clamping rod 202 is detachably mounted with a knife 6, the other end of the knife clamping rod 202 is inserted into the blind mounting hole 2011, and a third spring 203 is arranged between the bottom of the blind mounting hole 2011 and the knife clamping rod 202; a radial waist-shaped hole is formed in the position, located in the hole cavity of the installation blind hole 2011, of the body of the cutter clamping rod 202 or the position, corresponding to the installation blind hole 2011, of the floating rod 201, and a limiting rod matched with the waist-shaped hole is arranged in the position, corresponding to the waist-shaped hole, of the body of the floating rod 201 or the cutter clamping rod 202;

that is, the tool holder 202 is axially movable relative to the float 201 within a range of movement;

according to the requirement, the installation blind hole 2011 is a stepped hole with a large-diameter section at the outer section, a steel ball guide sleeve 204 is arranged in a hole cavity of the large-diameter section of the installation blind hole 2011 in a matching manner, and the inner diameter of the steel ball guide sleeve 204 is matched with the outer diameter of the third spring 203 and the diameter of the rod body of the cutter clamping rod 202;

thus, the cutter clamping rod 202 can be ensured to float more flexibly in the axial direction;

the outer end of the installation blind hole 2011 is provided with a necking structure for preventing the steel ball guide sleeve 204 from falling off.

The foregoing illustrates and describes the general principles, features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The flexible device for mechanically removing the irregular edge burrs is characterized by comprising a cutter handle (1) and a main body (4), wherein a cutter bar (2) which is coaxial with the cutter handle and can axially move along the cutter handle is arranged on the outer side of the head end of the cutter handle (1), a neck expanding part (21) is arranged at one end, close to the cutter handle (1), of the cutter bar (2), an elastic abutting part (3) which elastically abuts against the cutter bar (2) is coaxially arranged between the cutter handle (1) and the cutter bar (2), and a cutter (6) used for removing the edge burrs is installed at the other end of the cutter bar (2); the main body (4) is provided with a through hole (41) with the diameter larger than that of the cutter bar (2) and smaller than that of the flaring part (21) along the axial direction of the main body (4), the main body (4) is coaxially sleeved on the rod body of the cutter bar (2), a containing groove (42) for containing the flaring part (21) is arranged in the middle of one end, corresponding to the cutter handle (1), of the main body (4), and the main body (4) is detachably connected to the head end of the cutter handle (1); expand neck portion (21) lateral wall and be equipped with a plurality of its radial branch (22) of edge along its even spacer ring of circumference, the position that holding tank (42) tank bottom corresponds branch (22) is equipped with along main part (4) axial pin group (5), pin group (5) include two pins (51) that are located corresponding branch (22) both sides respectively, and one end that pin (51) correspond this branch (22) is the dome end to the dome end terminal surface of pin (51) contradicts the cooperation with this branch (22) pole body.

2. A motorized flexible means for deburring irregular edges according to claim 1, further comprising: the middle part of the head end of the knife handle (1) is provided with a mounting hole (11), one end of the elastic contact piece (3) extends into the mounting hole (11), and the other end of the elastic contact piece is in interference fit with the middle part of the end face of the corresponding knife rod (2).

3. A motorized flexible device for deburring irregular edges according to claim 2, wherein: elasticity is supported contact (3) and is included first spring (31), thimble (32), cutter arbor (2) are close to the one end terminal surface of handle of a knife (1) and are inside sunken conical surface, thimble (32) pointed end conflict cooperation in this conical surface middle part, and in thimble (32) other end stretched into mounting hole (11), and coaxial conflict had first spring (31), and the first spring (31) other end is contradicted in mounting hole (11) hole bottom.

4. A motorized flexible means for deburring irregular edges according to claim 3, wherein: mounting hole (11) are the through hole, and one section spiro union that cutter arbor (2) were kept away from to mounting hole (11) inner chamber has adjusting screw (12), and adjusting screw (12) and the conflict cooperation of corresponding first spring (31) tip.

5. A motorized flexible means for deburring irregular edges according to claim 1, further comprising: an annular groove (13) is formed in the end face of the head end of the cutter handle (1), a bushing (7) coaxial with the annular groove (13) is arranged in a groove cavity of the annular groove (13) in a matching mode, the outer end of the bushing (7) extends into the accommodating groove (42), and a yielding groove (71) for the support rod (22) to move is formed in the position, corresponding to the support rod (22), of the outer end face of the bushing (7); the annular groove (13) is further coaxially provided with a second spring (8) located on the inner side of the bushing (7), and the outer end of the second spring (8) is in interference fit with the cutter bar (2).

6. The flexible device for mechanically removing the irregular edge burr as recited in claim 5, wherein: annular groove (13) inside wall screw-thread fit has and contradicts complex adjusting nut (9) with second spring (8) inner, and adjusting nut (9) external diameter is not more than bush (7) internal diameter.

7. The flexible device for mechanically removing the irregular edge burr as recited in claim 1, wherein: the cutter bar (2) comprises a floating rod (201) with a flaring part (21) and a cutter clamping rod (202), one end, far away from the cutter handle (1), of the floating rod (201) penetrates through the through hole (41), the end face of the end of the floating rod (201) is provided with an installation blind hole (2011) coaxial with the floating rod, one end of the cutter clamping rod (202) is detachably provided with a cutter (6), the other end of the cutter clamping rod (202) is inserted into a hole cavity of the installation blind hole (2011) in a matched mode, and a third spring (203) is arranged between the hole bottom of the installation blind hole (2011) and the cutter clamping rod (202); the position that cutter holder (202) pole body was located installation blind hole (2011) hole intracavity or the position that the buoy bar (201) corresponds installation blind hole (2011) is equipped with radial waist shape hole, and buoy bar (201) or cutter holder (202) pole body correspond the position in waist shape hole and be equipped with the gag lever post that matches with waist shape hole.

8. A motorized flexible means of deburring irregular edges according to claim 7 wherein: installation blind hole (2011) is the shoulder hole of major diameter section for the outer section, and installation blind hole (2011) major diameter section vestibule matching is equipped with steel ball guide bushing (204), and steel ball guide bushing (204) internal diameter and third spring (203) external diameter and cutter clamping bar (202) pole body diameter looks adaptation.

9. A motorized flexible means for deburring irregular edges according to claim 8, wherein: the outer end of the mounting blind hole (2011) is provided with a necking structure for preventing the steel ball guide sleeve (204) from falling off.