TWM574520U - Stamping die for sleeving collar of metal tube rack - Google Patents

Abstract

The present invention relates to a stamping die for a metal pipe collar, the stamping die comprising: a molding module, a punch and a mold column, the molding module is provided with a forming hole, and the punch is inserted through the upper end of the forming hole In the forming hole, the punching bar can be pressed in the same direction as the forming module, and can be slidably displaced in the forming hole. The lower end of the punching rod is provided with a first forming portion, and the upper end of the first forming portion is provided with a first a chamfer forming portion, the mold column is in an immovable fixed form, and is disposed vertically opposite to the punching rod, and is engageable with the forming hole of the forming module when punching, and a second forming portion is disposed at the upper end of the mold column A second chamfer forming portion is disposed at the lower end of the second forming portion; thereby, the winding loop process is simple, the manufacturing man-hour is reduced, the manufacturing cost is reduced, the economic benefit is met, and the price competitiveness is improved.

Description

Stamping die for metal pipe collar

This creation is about a stamping die, especially a stamping die for a combined metal pipe collar.

According to the combination, the metal pipe rack has the advantages of simple assembly and disassembly, easy transportation and storage, and the combined metal pipe rack has become an indispensable item for modern home, office and open store. The early combined metal pipe rack The frame body is assembled by the locking screw, and the storage layer is assembled on the frame body. The assembly and disassembly of the metal pipe frame requires tools, which is troublesome in operation, so that the tool can be used without tools. The racks are assembled, and the bamboo-shaped metal pipe racks are the most representative.

As shown in the twelfth and thirteenth figures, the conventional bamboo-shaped metal pipe frame comprises: a four-pole pole 91, a plurality of positioning sleeves 92 and a plurality of grids 93, which are respectively arranged in four A plurality of annular grooves 911 are formed on the uprights 91, and the positioning sleeves 92 are conical. The two pairs of half-pieces are butt-joined on the vertical rod 91, and the inner wall is provided. The rib 921 embedded in the annular groove 911 of the pole 91 is connected with a collar 931 having a hollow conical shape at the four end corners of the grid 93, so that the grid 93 can be used by the collar 931. The upper end of the sleeve 91 is positioned, and the inner tapered surface of the sleeve 931 is positioned in close cooperation with the outer tapered surface of the positioning sleeve 92, so that the grid 93 can be combined with the vertical rod 91.

The collar 931 of the grid 93 is generally formed by pre-cutting into a predetermined shape and being crimped into a roughly hollow conical ring-shaped rough embryo, and then the rough embryo is shaped into a precise hollow conical semi-finished product. The upper end and the lower end of the inner wall of the hollow conical semi-finished product are respectively chamfered by a turning method (by which a guiding effect and better safety) are completed, and the manufacturing of the collar 931 is completed. However, the process of the ring 931 is complicated, and the manufacturing time is relatively increased, the manufacturing cost is increased, and the economic efficiency is not met, which in turn leads to a price that is not competitive.

The creator has the above-mentioned shortcomings in view of the fact that the manufacture of the metal pipe frame collar has the above-mentioned shortcomings, and the idea of creating and testing the sample, and after many revisions and improvements, the author has launched the creation.

The present invention provides a stamping die for a metal pipe frame collar, which is used for stamping a metal pipe frame collar, the ring has a set of ring heights, and the stamping die comprises: a molding module capable of up-and-down displacement, the molding The module is provided with a conical shaped hole, the forming module has a height of the forming module, and the height of the forming module is greater than the height of the collar; a punch is inserted through the upper end of the forming hole into the forming hole, and the punch can be The first molding portion of the reduced diameter is disposed at a lower end of the first molding portion, and a first chamfering molding portion is disposed at an upper end of the first molding portion; And a mold column, which is in a non-movable fixed shape, is disposed opposite to the punching rod, and can be fitted with the forming hole of the forming module when punching, and a second forming portion of the reduced diameter is disposed at the upper end of the mold column. A second chamfered molding portion is disposed at a lower end of the second molding portion.

The main purpose of the stamping die of the metal pipe frame collar is that when the punching action is performed, the plate material is previously curled into a roughly hollow conical ring-shaped rough embryo, and the ring-shaped rough embryo sleeve is placed on the mold column. On the second molding part, the molding module and the punch are displaced toward the mold column to punch the annular rough blank, and at the same time, the shaping and the upper and lower ends are chamfered to complete the manufacture of the collar, and the winding process of the collar is simple. The manufacturing man-hours are reduced, the manufacturing costs are reduced, the economic benefits are met, and the price competitiveness is improved.

Please refer to the first, second, third, fourth, ninth, tenth and eleventh drawings. The stamping die of the metal pipe frame collar is used for stamping metal pipe racks. The collar A has a ring height h1. The stamping die comprises: a molding module 10, a punch 20, a mold column 30, an upper mold base 40, a fixing ring 50 and a lower mold base. 60.

The molding module 10 has a cylindrical shape and can be displaced up and down. The molding module 10 is provided with a molding hole 11 having a small upper and a large conical shape. The molding module 10 has a molding module height h2, and the molding module height h2 is larger than the molding module 10 . The collar height h1.

The punching rod 20 is inserted into the forming hole 11 from the upper end of the forming hole 11. The punching rod 20 can be pressed in the same direction as the forming module 10, and can be slidably displaced in the forming hole 11. A first molding portion 21 having a reduced diameter is disposed at a lower end of the rod 20. The first molding portion 21 has a cylindrical shape of equal diameter, and a first chamfered molding portion 211 is disposed at the upper end.

The mold column 30 is in a non-movable fixed form, and is disposed vertically opposite to the punch 20, and can be engaged with the molding hole 11 of the molding module 10 when punching, and the upper end of the mold column 30 is provided with a reduced diameter The second molding portion 31 has a conical column shape with a small upper and a lower portion, and a second chamfered molding portion 311 is provided at the lower end.

The upper mold base 40 is provided with a top seat plate 41. The top surface of the upper seat plate 41 is provided with a circular sleeve 42. The sleeve 42 is centrally provided with a sleeve hole 43 extending through the upper seat plate 41. The sleeve hole 43 is provided. The punching rod 20 is sleeved, and the punching rod 20 can be slidably displaced in the same direction as the upper mold base 40, and can be slidably displaced in the sleeve hole 43. The upper seat plate 41 is provided with two coupling holes 411.

The lower die holder 50 is in a non-movable fixed configuration, and the mold post 30 is disposed on the lower die holder 50.

The fixing ring 60 is detachably fixed to the bottom surface of the upper seat plate 41. The top surface of the fixing ring 60 is provided with two screw holes 61. The two screws 62 pass through the two coupling holes 411 of the upper seat plate 41, and the fixing is screwed. The two screw holes 61 of the top surface of the ring 60 are locked, and the molding module 10 is locked in the fixing ring 60 by a tight fit. The forming hole 11 of the molding module 10 and the through hole 43 of the upper die holder 40 are paired. Being connected.

When the creation is performed in the punching action, as shown in the fifth to eleventh drawings, the sheet cut into a predetermined shape is subjected to preliminary processing to be crimped into a roughly hollow conical ring-shaped rough embryo A1, and the rough embryo A1 is placed. On the second molding portion 31 of the mold column 30, the molding module 10 and the punch 20 are displaced downward toward the mold cylinder 30 to press the annular rough blank A1, and the annular shape is punched by the molding hole 11 of the molding module 10. The outer edge wall of the rough embryo A1 is externally shaped and prevented from expanding, and the inner peripheral wall of the annular rough embryo A1 is punched by the first molding portion 21 of the punch 20 and the second molded portion of the mold pillar 30. The hole shaping and the precise size, and the first chamfered forming portion 211 of the punch 20 and the second chamfered forming portion 311 of the mold post 30 punch the upper end and the lower end of the inner edge wall of the annular rough blank A1 respectively. The angle A2 is formed into a hollow conical collar A with a precise size and a chamfered A2 on the inner and lower edges of the inner edge wall.

After the press forming, the molding module 10 and the punch 20 are displaced upwardly away from the mold column 30. At this time, the stamped and formed collar A product is fastened in the molding hole 11 of the molding module 10, and the molding module 10 is Upward displacement, when the molding module 10 and the punch 20 are displaced upward to a predetermined position, the molding module 10 remains stationary, and the punch 20 is displaced downward by a distance to displace the sleeve A from the molding hole of the molding module 10. 11, then the ram 20 is displaced upward to return to the original position for the next punching action.

From the structure of the above specific embodiment, the following benefits can be obtained:

When the stamping die of the metal pipe frame collar is punched, the plate is processed into a rough hollow conical ring-shaped rough embryo A1, and the ring-shaped rough embryo A1 is placed on the mold column 30. On the second molding portion 31, the ring-shaped rough embryo A1 is pressed by the molding module 10 and the punch 20 in the direction of the mold post 30, and the ring-shaped rough embryo A1 is finished and chamfered at the upper and lower ends, and is fast. After the manufacture of the collar A is completed, the process of the Tie ring A is simple, the manufacturing man-hour is reduced, the strength is good, the manufacturing cost is reduced, and the economic benefit is met, thereby increasing the competitiveness of the price.

[study]

91‧‧‧ pole

911‧‧‧Circle

92‧‧‧ Positioning sleeve

921‧‧‧ rib

93‧‧‧ Grid

931‧‧‧ collar

[this creation]

10‧‧‧Molding module

11‧‧‧Shaped holes

20‧‧‧ Punch

21‧‧‧First molding department

211‧‧‧First chamfer forming department

30‧‧‧Model column

31‧‧‧Second molding department

311‧‧‧Second chamfer forming department

40‧‧‧Upper mold base

41‧‧‧上板

411‧‧‧Combination hole

42‧‧‧ sleeve

43‧‧‧ wearing a hole

50‧‧‧ lower mold base

60‧‧‧Fixed ring

61‧‧‧ screw holes

62‧‧‧ screws

A‧‧‧ collar

A1‧‧‧ring rough embryo

A2‧‧‧Chamfering

H1‧‧‧ collar height

H2‧‧‧Molding module height

The first picture is a three-dimensional sectional view of the stamping die of the present creation. The second picture is an exploded view of the stamping die of the creation. The third picture is a perspective view of the rough embryo of the creative collar. The fourth picture is a cross-sectional view of the rough embryo of the creative collar. The fifth picture is a schematic diagram of the action of stamping and forming of this creation (1). The sixth picture is a schematic diagram of the action of stamping and forming of this creation (2). The seventh picture is a schematic diagram of the action of stamping and forming of this creation (3). The eighth figure is a schematic diagram of the action of stamping and forming of this creation (4). The ninth figure is a schematic diagram of the action of stamping and forming of this creation (5). The tenth figure is a perspective view of the finished product of the creation collar. The eleventh figure is a sectional view of the finished product of the creation collar. The twelfth figure is a perspective view of a conventional metal pipe rack. The thirteenth figure is a partial exploded view of a conventional metal pipe frame.

Claims (5)

A stamping die for a metal pipe frame collar is used for stamping a metal pipe frame collar, the ring has a set of ring heights, the stamping die comprises: a molding module capable of up-and-down displacement, the molding module is provided with a a molding hole having a large conical shape, the molding module has a height of the molding module, and the height of the molding module is greater than the height of the collar; a punch is disposed through the upper end of the molding hole in the molding hole, the punch The stamping action may be performed in the same direction displacement of the forming module, and the sliding hole may be slidably displaced in the forming hole. The lower end of the punching rod is provided with a first forming portion with a reduced diameter, and a first chamfer forming portion is disposed at the upper end of the first forming portion. And a mold column, which is a non-movable fixed shape, is disposed opposite to the punching rod, and can be fitted with the forming hole of the forming module when punching, and a second forming of the reduced diameter is arranged at the upper end of the mold column. a second chamfered molding portion is disposed at a lower end of the second molding portion. The stamping die for a metal pipe collar according to claim 1, wherein the first forming portion of the punch has a cylindrical shape of equal diameter. The stamping die for a metal pipe collar according to claim 1, wherein the second forming portion of the mold column has a conical column shape that is small and large. The stamping die of the metal pipe frame collar according to claim 1, further comprising: an upper die base, a lower die base and a fixing ring, wherein the upper die block is provided with an upper seat plate, and the upper seat plate top surface is arranged a sleeve having a sleeve hole penetrating through the upper seat plate, the sleeve hole for the punch rod to be sleeved, the punch rod being slidable in the same direction as the upper mold base for punching, and Sliding displacement in the sleeve hole, the lower mold base is in a non-movable fixed shape, the mold column is disposed on the lower mold base, the fixing ring is detachably fixed on the bottom surface of the upper seat plate, and the molding module utilizes a tight fit The sleeve is sleeved in the fixing ring, and the forming hole of the molding module is in positive communication with the through hole of the upper mold base. The stamping die of the metal pipe frame collar according to the fourth aspect of the invention, wherein the fixing ring is detachably fixed to the bottom surface of the upper seat plate, and the seat plate is provided with two coupling holes on the upper die plate. The top surface of the fixing ring is provided with two screw holes, and the two screws pass through the two coupling holes of the upper seat plate, and the two screw holes of the top surface of the fixing ring are screwed.