CN221064156U - Sheet metal part counter bore die - Google Patents

Abstract

The utility model discloses a sheet metal part counter bore die, which belongs to the technical field of sheet metal part machining and comprises a base, wherein one end of the base is fixedly connected with a mounting frame, the lower end of the mounting frame is provided with a hydraulic cylinder, one end of the base is provided with a sliding groove, a moving block is connected in the sliding groove in a sliding way, and a positioning assembly is arranged on the upper side of the moving block.

Description

Sheet metal part counter bore die

Technical Field

The utility model relates to the technical field of sheet metal part machining, in particular to a sheet metal part counter bore die.

Background

The metal sheet is subjected to counter bore, so that the end face of a bolt or a nut connected with the metal sheet is buried in the counter bore, the metal sheet is convenient to keep good contact with other connecting pieces, when the metal sheet is subjected to counter bore processing in a rectangular shape and hollow inside, sometimes the through hole is not completely corresponding to the punching pin, the precision is insufficient, and meanwhile, during counter bore operation, because the metal sheet is in a hollow structure, a plurality of downward depressions are easily formed on one side of the counter bore, and the yield of the metal sheet is reduced.

Chinese patent grant bulletin number: CN216881281U provides a sheet metal component counter bore mould, this scheme is through in inserting the sheet metal component with the rectangular block, put into the frame with the sheet metal component again, the sheet metal component slides in the frame for the axis of locating lever is collinear with the axis of this through-hole, has guaranteed the accuracy of sheet metal component when being punched by the stamping needle, through the support of a plurality of third springs in the rectangular block, provides the holding power of sheet metal component, prevents that the sheet metal component from appearing large tracts of land sunken when being punched, prevents that the deformation of sheet metal component from being too big, improves the yield of sheet metal component.

But the structure of this scheme is only applicable to the rectangle sheet metal component of two-sided all trompil, and is not applicable to the sheet metal component of single face trompil, and rectangle piece size in this scheme is fixed, can't adjust, can't adapt to the rectangle sheet metal component that inner chamber size is different, has reduced the practicality of this scheme, consequently, proposes a sheet metal component counter bore mould to above-mentioned problem.

Disclosure of utility model

1. Technical problem to be solved

Aiming at the problems in the prior art, the utility model aims to provide a sheet metal part counter bore die, in the scheme, a user can accurately position the hole position of a sheet metal part through a thimble so as to adapt to the sheet metal part with a single-sided opening, after finishing counter bore on one side of the sheet metal part, the sheet metal part can be turned over to continue counter bore on the other side, meanwhile, the distance between a moving block and a positioning assembly can be changed by adjusting the moving block so as to adapt to rectangular sheet metal parts with different sizes, and a supporting plate and the moving block can be abutted against the inner walls at the upper end and the lower end of the sheet metal part, so that the sheet metal part is supported and fixed, and the stability of the counter bore process is improved.

2. Technical proposal

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a sheet metal component counter bore mould, includes the base, base one end fixedly connected with mounting bracket, the pneumatic cylinder is installed to the mounting bracket lower extreme, and the spout has been seted up to base one end, sliding connection has the movable block in the spout, the movable block upside is provided with locating component.

Further, the locating component comprises a supporting plate, the supporting plate is fixedly connected with the base, a through hole is formed in the supporting plate, and a screw is connected with the through hole in an internal threaded mode.

Further, the bottom end of the screw extends to the lower side of the screw, and the bottom end of the screw is rotationally connected with the moving block.

Further, rectangular grooves are formed in the supporting plates, hollow columns are fixedly connected to the inner walls of the rectangular grooves, and ejector pins are slidably connected to the inner walls of the hollow columns.

Further, the inner cavity of the hollow column is provided with a first spring, and two ends of the first spring are fixedly connected with the inner wall of the hollow column and the thimble respectively.

Further, the mounting groove has been seted up to the movable block bottom, mounting groove inner wall sliding connection has the movable block, the ball is installed to the movable block bottom, movable block upper end fixedly connected with second spring, movable block one end and mounting groove inner wall sliding connection are kept away from to the second spring.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

In this scheme, the hole site of user accessible thimble to the sheet metal component carries out accurate location to the sheet metal component of adaptation in single face trompil, and also be applicable to the sheet metal component of double-sided trompil, can change the interval of movable block and locating component simultaneously through adjusting the movable block, and then the adaptation is in the rectangle sheet metal component of equidimension not, and backup pad and movable block can play the effect of supporting and fixing to the sheet metal component with the inner wall butt at both ends about the sheet metal component, increase the stability of its counter bore process.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of a rectangular sheet metal part with a single-sided opening in the utility model;

FIG. 2 is a schematic diagram of the structure of the present utility model;

FIG. 3 is a schematic view of a partial side cross-sectional structure of the present utility model;

FIG. 4 is a schematic view of a partial perspective view of a positioning assembly according to the present utility model;

FIG. 5 is a schematic diagram of a front cross-sectional view of a traveling block and positioning assembly of the present utility model.

The reference numerals in the figures illustrate:

1. A base;

2. a mounting frame;

3. A hydraulic cylinder;

4. A chute;

5. a moving block;

6. a positioning assembly; 601. a support plate; 602. rectangular grooves; 603. a hollow column; 604. a thimble; 605. a first spring; 606. a through hole; 607. and (3) a screw.

7. A mounting groove;

8. a second spring;

9. A ball;

10. a movable block.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples:

Referring to fig. 1-2, a sheet metal part counter bore die comprises a base 1, one end of the base 1 is fixedly connected with a mounting frame 2, a hydraulic cylinder 3 is mounted at the lower end of the mounting frame 2, a sliding groove 4 is formed in one end of the base 1, a moving block 5 is connected in the sliding groove 4 in a sliding mode, a positioning component 6 is arranged on the upper side of the moving block 5, the fact that a rectangular sheet metal part needing counter bore is formed or a single-sided opening is considered, and the cross-sectional area of the rectangular sheet metal part is different is considered, so that a user sleeves the sheet metal part at the outer ends of the moving block 5 and the positioning component 6, the positioning component 6 can accurately position the hole position of the sheet metal part, meanwhile, the distance between the moving block 5 and the positioning component 6 can be changed by adjusting the moving block 5, and the sheet metal part is further suitable for rectangular sheet metal parts with different sizes.

Referring to fig. 3, the positioning assembly 6 includes a support plate 601, the support plate 601 is fixedly connected with the base 1, a through hole 606 is formed in the support plate 601, a screw 607 is connected to the through hole 606 in an internal thread manner, the bottom end of the screw 607 extends to the lower side of the screw 607, and the bottom end of the screw 607 is rotationally connected with the moving block 5.

The screw rod 607 can downwards move in the through hole 606 by rotating the screw rod 607, the screw rod 607 can further push the moving block 5 to slide in the chute 4, the distance between the supporting plate 601 and the moving block 5 is changed, a user can adjust the distance between the supporting plate 601 and the moving block 5 according to the size of the section of the rectangular sheet metal part, after the sheet metal part is sleeved into the outer ends of the supporting plate 601 and the moving block 5, the supporting plate 601 and the moving block 5 can be well abutted with the inner walls at the upper end and the lower end of the sheet metal part, the sheet metal part is supported and fixed, and the stability of the countersink process of the sheet metal part is increased.

Referring to fig. 4-5, a rectangular groove 602 is formed in a supporting plate 601, a hollow column 603 is fixedly connected to the inner wall of the rectangular groove 602, a thimble 604 is slidably connected to the inner wall of the hollow column 603, a first spring 605 is disposed in the inner cavity of the hollow column 603, and two ends of the first spring 605 are fixedly connected to the inner wall of the hollow column 603 and the thimble 604 respectively.

The user faces the hole site of rectangle sheet metal component upwards, insert backup pad 601 and movable block 5 outer end, the upper end inner wall of sheet metal component and backup pad 601 upper surface butt, when sheet metal component and thimble 604 butt, the sheet metal component extrudees thimble 604 and makes thimble 604 to the inside removal of cavity post 603, extrusion first spring 605 simultaneously, make the sheet metal component can continue to impel, when the hole site on the sheet metal component reaches thimble 604 top, thimble 604 resets under the elasticity effect of first spring 605, it is downthehole to the sheet metal component, hole site on the sheet metal component aligns with the pneumatic cylinder 3 of top this moment, the user starts the pneumatic cylinder 3 and moves down this department, carry out the counter bore operation to this department hole, after this department hole counter bore is accomplished, the user continues inwards impel the sheet metal component, make thimble 604 be impeled into in the cavity post 603 again, and then move the top of next hole to thimble 604, continue to carry out the counter bore operation to next department hole.

The mounting groove 7 has been seted up to the movable block 5 bottom, mounting groove 7 inner wall sliding connection has movable block 10, ball 9 is installed to movable block 10 bottom, movable block 10 upper end fixedly connected with second spring 8, movable block 10 one end and mounting groove 7 inner wall sliding connection are kept away from to second spring 8, when rectangle sheet metal component lower extreme inner wall and the lower surface butt of movable block 5, the sheet metal component can extrude ball 9, make ball 9 drive movable block 10 upwards move, thereby the sheet metal component can overlap smoothly and establish on the movable block 5, simultaneously the sheet metal component drives ball 9 roll when sliding on ball 9, so set up the frictional force that has reduced between sheet metal component and the movable block 5, make the sheet metal component can overlap more easily and establish on the movable block 5.

Working principle:

When the hydraulic ram is used, firstly, the screw 607 can downwards move in the through hole 606 through the screw 607, the screw 607 pushes the moving block 5 to slide in the chute 4, then a user adjusts the distance between the supporting plate 601 and the moving block 5 according to the size of the section of the rectangular sheet metal part, then the sheet metal part is sleeved into the supporting plate 601 and the outer end of the moving block 5, when the inner wall of the lower end of the rectangular sheet metal part is abutted to the lower surface of the moving block 5, the sheet metal part can squeeze the ball 9, the ball 9 drives the movable block 10 to upwards move, the sheet metal part can be smoothly sleeved on the moving block 5, meanwhile, when the ball 9 slides through, the ball 9 is driven to roll, the friction force between the sheet metal part and the moving block 5 is reduced, the inner wall of the upper end of the sheet metal part is abutted to the upper surface of the supporting plate 601, when the sheet metal part is abutted to the thimble 604, the thimble 604 is extruded to enable the thimble 604 to move towards the inside of the hollow cylinder 603, and simultaneously, when the inner wall of the lower end of the rectangular sheet metal part is abutted to the lower surface of the moving block 5, the thimble 605 is continuously pushed to the upper side of the metal part, the elastic force of the thimble 604 acts on the first spring 605 to reset the hole, the sheet metal part is pushed out of the hole position of the metal part, and the hole is continuously pushed to the hole position 3, and then the hole is continuously moved towards the hole 3, and the hole is continuously moved towards the hole 3 by the upper cylinder.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims (4)

1. The utility model provides a sheet metal component counter bore mould, includes base (1), its characterized in that: base (1) one end fixedly connected with mounting bracket (2), pneumatic cylinder (3) are installed to mounting bracket (2) lower extreme, and spout (4) have been seted up to base (1) one end, sliding connection has movable block (5) in spout (4), movable block (5) upside is provided with locating component (6), locating component (6) are including backup pad (601), backup pad (601) and base (1) fixed connection, through-hole (606) have been seted up on backup pad (601), through-hole (606) female connection has screw (607), screw (607) bottom extends to screw (607) downside, and screw (607) bottom and movable block (5) rotation are connected.

2. A sheet metal part counterbore die as claimed in claim 1, wherein: rectangular grooves (602) are formed in the supporting plates (601), hollow columns (603) are fixedly connected to the inner walls of the rectangular grooves (602), and ejector pins (604) are slidably connected to the inner walls of the hollow columns (603).

3. A sheet metal part counterbore die as claimed in claim 2, wherein: the inner cavity of the hollow column (603) is provided with a first spring (605), and two ends of the first spring (605) are fixedly connected with the inner wall of the hollow column (603) and the thimble (604) respectively.

4. A sheet metal part counterbore die as claimed in claim 1, wherein: the movable block is characterized in that an installation groove (7) is formed in the bottom end of the movable block (5), a movable block (10) is slidably connected to the inner wall of the installation groove (7), a ball (9) is mounted at the bottom end of the movable block (10), a second spring (8) is fixedly connected to the upper end of the movable block (10), and one end, away from the movable block (10), of the second spring (8) is slidably connected with the inner wall of the installation groove (7).