CN213134673U

CN213134673U - Chamfering mechanism for metal section

Info

Publication number: CN213134673U
Application number: CN202021522190.0U
Authority: CN
Inventors: 马灿明
Original assignee: Jiangsu Sha Zhou Electric Co ltd
Current assignee: Jiangsu Sha Zhou Electric Co ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-05-07
Anticipated expiration: 2030-07-28

Abstract

The utility model discloses a chamfering mechanism for metal section bars, which comprises a frame, an upper die and a lower die, wherein the upper die and the lower die are arranged on the frame; the lower die comprises a lower die body, a die cavity which is arranged on the lower die body and is matched with the die head, and two limiting parts which are arranged on the lower die body and are respectively positioned at two adjacent side parts of the die cavity, wherein a limiting area is formed between the two limiting parts. The utility model discloses a chamfering mechanism, through the setting of two spacing portions, can be restricted metal section bar in the spacing region between two spacing portions, the bight that will need the chamfer simultaneously wears out spacing region, two spacing portions can support metal section bar this moment and make it can't continue to wear out, can realize the chamfer through the relative motion of die head and die cavity afterwards, simple structure, convenient operation, and position and the size that can effectual control chamfer, guaranteed the quality of chamfer.

Description

Chamfering mechanism for metal section

Technical Field

The utility model relates to a processing field of metal section bar, concretely relates to chamfer mechanism for metal section bar.

Background

In the field of processing of metal profiles, chamfering is a common processing method for chamfering corners of profiles. However, the position and size of the chamfer cannot be accurately controlled by the current chamfering mechanism, and the position and size of the chamfer all depend on the experience of an operator, which greatly affects the quality of the chamfer.

Disclosure of Invention

The utility model aims at overcoming the not enough of prior art, provide a position that can accurate control chamfer and the chamfer mechanism of size.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

a chamfering mechanism for a metal section comprises a plurality of side parts on the peripheral side of the metal section and a corner part between every two adjacent side parts, the chamfering mechanism is used for chamfering the corner part and comprises a frame, an upper die and a lower die which are arranged on the frame,

the upper die comprises an upper die body and a die head arranged at the bottom of the upper die body;

the lower die comprises a lower die body, a die cavity which is arranged on the lower die body and matched with the die head, and two limiting parts which are arranged on the lower die body and are respectively positioned at two adjacent side parts of the die cavity, wherein a limiting area is formed between the two limiting parts;

at least one of the upper die and the lower die can move along the direction close to or far away from the other one of the upper die and the lower die, one end of the metal section can be inserted into the limiting area in a matched mode, and one of two corner parts on two sides of the end part of one end of the metal section can penetrate out of the limiting area in a matched mode and is arranged above the die cavity in a suspended mode.

Preferably, the die head can move in a direction close to the lower die and be fittingly embedded in the die cavity, or move in a direction away from the lower die and be separated from the die cavity.

Further preferably, two corners of two sides of the end of the metal profile are respectively a first corner and a second corner, wherein the first corner is suspended above the die cavity, the second corner can be abutted against one of the two limiting portions in a matched manner, and the edge opposite to the second corner and adjacent to the first corner can be abutted against the other of the two limiting portions in a matched manner.

Still further preferably, the first corner is located on a path of movement of the die.

Still further preferably, the apex of the first corner is located on a diagonal of the cross-section of the mould cavity.

Preferably, the length directions of the two limiting parts are perpendicular to each other.

Preferably, the limiting part is slidably arranged on the lower die body along the length direction of the limiting part.

Further preferably, the lower die body comprises a plurality of end-to-end connected die blocks, and the plurality of die blocks can be matched to enclose the die cavity.

Still further preferably, the bottom of the limiting part is provided with a sliding groove, and the module located below the limiting part can be clamped and embedded in the sliding groove in a matched manner.

Still further preferably, the guide way has been seted up along its self length direction to spacing portion up end, the guide way with the spout is linked together, the lower mould still includes locking plate and locking bolt, the locking plate is located the guide way is kept away from one side of spout, locking bolt can pass in proper order the locking plate the guide way with behind the spout threaded connection in on the module.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the utility model discloses a chamfering mechanism, through the setting of two spacing portions, can be restricted metal section bar in the spacing region between two spacing portions, the bight that will need the chamfer simultaneously wears out spacing region, two spacing portions can support metal section bar this moment and make it can't continue to wear out, can realize the chamfer through the relative motion of die head and die cavity afterwards, simple structure, convenient operation, and position and the size that can effectual control chamfer, guaranteed the quality of chamfer.

Drawings

Fig. 1 is a schematic structural diagram of a chamfering mechanism in an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view A-A of FIG. 1.

Wherein: 1. a frame; 2. an upper die body; 3. a die head; 4. a lower die body; 4a, a module; 5. a mold cavity; 6. a limiting part; 7. a chute; 8. a guide groove; 9. a locking plate; 10. locking the bolt;

100. an edge portion; 101. a corner portion; 101a, a first corner; 101b, second corner.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings.

The utility model relates to an improvement to chamfering mechanism, chamfering mechanism after the improvement, through the setting of two spacing portions, can be restricted the metal forming material in the spacing region between two spacing portions, the bight that will need the chamfer simultaneously wears out spacing region, two spacing portions can support the metal forming material and make it can't continue to wear out this moment, can realize the chamfer through the relative motion of die head and die cavity afterwards, moreover, the steam generator is simple in structure, and convenient for operation, and can effectual control the position and the size of chamfer, the quality of chamfer has been guaranteed.

Referring to fig. 1-2, a chamfering mechanism for a metal profile is shown, where the metal profile is a long strip profile including four sides 100 on its periphery, and a corner 101 between each adjacent two sides 100.

The chamfering mechanism comprises a rack 1, an upper die and a lower die, wherein the upper die and the lower die are arranged on the rack, and the upper die comprises an upper die body 2 and a die head 3 arranged at the bottom of the upper die body 2;

the lower die comprises a lower die body 4, a die cavity 5 which is arranged on the lower die body 4 and matched with the die head 3, and two limiting parts 6 which are arranged on the lower die body 4 and are respectively positioned at two adjacent side parts of the die cavity 5, wherein a limiting area is formed between the two limiting parts 6;

one end of the metal section can be inserted into the limiting area in a matched mode, and one of two corner parts 101 on two sides of the end part of one end of the metal section can be matched and penetrates out of the limiting area and is suspended above the die cavity 5. Here, the upper die is movable in a direction close to the lower die so that the die 3 can be fitted snap-fitted into the die cavity 5. The corner 101 overhanging the cavity 5 is cut off during the process of fitting the die 3 into the cavity 5, and chamfered.

Here, the upper die and the lower die are respectively provided on a frame of a punch press, and relative displacement between the upper die and the lower die is realized by the punch press. The punch press is the prior art and is not described in detail herein.

In this embodiment, as shown in fig. 2, two corners 101 on two sides of an end of the metal profile are a first corner 101a and a second corner 101b, respectively, where the first corner 101a is suspended above the mold cavity 5, the second corner 101b can cooperatively abut against one of the two position-limiting portions 6, and an edge opposite to the second corner 101b and adjacent to the first corner 101a can cooperatively abut against the other of the two position-limiting portions 6. Wherein the first corner 101a is located on the moving path of the die 3.

The second corner part 101b and the edge part 100 on two sides of the first corner part 101a to be chamfered respectively abut against the two limiting parts 6, so that the metal section can be limited, and the position and the size of the chamfer can be conveniently controlled by only holding the metal section by an operator and abutting the metal section against the two limiting parts 6 during chamfering.

Preferably, the vertex of the first corner 101a is located on a diagonal of the cross-section of the moulding cavity 5. When operating personnel held the metal section, can correspond the summit of first corner 101a on the diagonal of die cavity 5 cross section, cooperate two spacing portions 6 to carry out better location to the metal section, can guarantee simultaneously that the position of chamfer is corresponding with die cavity 5, avoid chamfer offset.

In this embodiment, the die head 3 and the cavity 5 are both square, and the two limiting portions 6 are located on two adjacent sides of the cavity 5 and have their length directions perpendicular to each other.

Preferably, as shown in fig. 2, the stopper 6 is slidably provided in the lower die body 4 in the longitudinal direction thereof. Here, the size of the spacing region of slidable spacing portion 6 can be convenient control, and then control the spacing to the chamfer size of shaped metal. When the size of the chamfer needs to be reduced, only the two limiting parts 6 need to slide towards the direction close to the limiting areas respectively, so that the limiting areas are reduced, and at the moment, the parts of the first corner parts 101a, which penetrate out of the limiting areas, are reduced under the action of the limiting parts 6 close to the two sides, so that the size of the chamfer is reduced; when needs increase chamfer size, only need slide two spacing portions 6 towards the direction of keeping away from spacing region respectively to enlarge spacing region, first corner 101a can wear out more parts outward towards spacing region under the effect of the spacing portion 6 that both sides were kept away from this moment, thereby realize enlarging the purpose of chamfer size.

Specifically, the lower die body 4 includes a plurality of end-to-end connected die blocks 4a, and the plurality of die blocks 4a can cooperate to enclose the forming die cavity 5. The bottom of the limiting part 6 is provided with a sliding groove 7, and the module 4a positioned below the limiting part 6 can be matched and clamped in the sliding groove 7. The sliding of the limiting part 6 can be conveniently realized through the matching of the sliding groove 7 and the module 4 a.

According to a preferable scheme, the upper end face of the limiting portion 6 is provided with a guide groove 8 along the length direction of the limiting portion, the guide groove 8 is communicated with the sliding groove 7, the lower die further comprises a locking plate 9 and a locking bolt 10, the locking plate 9 is located on one side, far away from the sliding groove 7, of the guide groove 8, and the locking bolt 10 can sequentially penetrate through the locking plate 9, the guide groove 8 and the sliding groove 7 and then is connected to the module 4a in a threaded mode.

Through the arrangement of the guide groove 8 and the locking plate 9, the guide groove and the locking plate are matched with each other to realize the sliding guide of the limiting part 6. When spacing portion 6 slides to the position that needs, screw up locking bolt 10, support locking plate 9 tightly on spacing portion 6, can be fixed in this position spacing portion 6, can realize spacing to metal section bar afterwards.

The following specifically explains the working process of this embodiment: when the work is started, the two limiting parts 6 are adjusted to the required positions, and the locking nut 10 is screwed down; then, inserting the metal profile into the limiting area between the two limiting parts 6 and penetrating the first corner part 101a out towards the die cavity 5, wherein the two limiting parts 6 can abut against the metal profile; the punch is then activated, the die 3 is moved in the direction of the cavity 5, the first corner 101a is cut off and inserted into the cavity 5, the first corner 101a is chamfered, the chamfering is completed, and the die 3 is moved upwards and is separated from the cavity 5.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. A chamfering mechanism for a metal profile including a plurality of side portions (100) on its peripheral side, a corner portion (101) between each adjacent two side portions (100), the chamfering mechanism for chamfering the corner portion (101), characterized in that: it comprises a frame (1), an upper die and a lower die which are arranged on the frame,

the upper die comprises an upper die body (2) and a die head (3) arranged at the bottom of the upper die body (2);

the lower die comprises a lower die body (4), a die cavity (5) which is arranged on the lower die body (4) and is matched with the die head (3), and two limiting parts (6) which are arranged on the lower die body (4) and are respectively positioned at two adjacent side parts of the die cavity (5), wherein a limiting area is formed between the two limiting parts (6);

at least one of the upper die and the lower die can move along the direction close to or far from the other one of the upper die and the lower die, one end of the metal section can be inserted into the limiting area in a matched mode, and one of two corner parts (101) on two sides of the end part of one end of the metal section can penetrate out of the limiting area in a matched mode and is suspended above the die cavity (5).

2. A chamfering mechanism for metal profiles as in claim 1, wherein: the die head (3) can move in a direction close to the lower die and is clamped in the die cavity (5) in a matched mode, or move in a direction far away from the lower die and is separated from the die cavity (5).

3. A chamfering mechanism for metal profiles as in claim 2, wherein: two bights (101) of tip both sides of shaped metal one end be first bight (101a) and second bight (101b) respectively, wherein first bight (101a) hang and locate die cavity (5) top, second bight (101b) can the complex conflict in one of them of two spacing portions (6), with second bight (101b) relative and with the adjacent limit portion of first bight (101a) can the complex conflict in one of them another of two spacing portions (6).

4. A chamfering mechanism for metal profiles as in claim 3, wherein: the first corner (101a) is located on the path of movement of the die head (3).

5. A chamfering mechanism for metal profiles as in claim 3, wherein: the apex of the first corner (101a) is located on a diagonal of the cross-section of the mould cavity (5).

6. A chamfering mechanism for metal profiles as in claim 1, wherein: the length directions of the two limiting parts (6) are mutually vertical.

7. A chamfering mechanism for metal profiles as in claim 1, wherein: the limiting part (6) is arranged on the lower die body (4) in a slidable manner along the length direction of the limiting part.

8. A chamfering mechanism for metal profiles as in claim 7, wherein: the lower die body (4) comprises a plurality of end-to-end connected modules (4a), and the modules (4a) can be matched to enclose the die cavity (5).

9. The chamfering mechanism for metal profiles according to claim 8, wherein: the bottom of the limiting part (6) is provided with a sliding groove (7), and the module (4a) positioned below the limiting part (6) can be clamped and embedded in the sliding groove (7) in a matched mode.

10. A chamfering mechanism for metal profiles as in claim 9, wherein: guide way (8) have been seted up along its self length direction to spacing portion (6) up end, guide way (8) with spout (7) are linked together, the lower mould still includes locking plate (9) and locking bolt (10), locking plate (9) are located guide way (8) are kept away from one side of spout (7), locking bolt (10) can pass in proper order locking plate (9) guide way (8) with spout (7) back threaded connection in on module (4 a).