CN210412060U - Space continuous pipe bending die - Google Patents

Abstract

A space continuous bending die belongs to the field of bending dies. The utility model provides a space continuous elbow mould of accurate, mechanized, the easy adjustment return bend angle of space return bend angular positioning. The utility model discloses in, fan-shaped dish has seted up the spout that suits with the return bend along fan-shaped limit, the upper surface at fan-shaped dish is fixed to the punch holder, the lower surface at fan-shaped dish is fixed to the lower plate, one side of fan-shaped dish has been seted up with the interior clamp splice complex recess of curve, the clamp splice is installed in the recess of fan-shaped dish in the right side curve, clamp splice and the interior clamp splice of left side curve are to closing hollow through-hole that forms in the right side curve, the recess that suits with the surface of clamp splice in the curve is seted up to one side of outer clamp splice, the clamp splice is installed in the recess of clamp splice outside in the left side curve, outer clamp splice is installed between punch holder and lower plate, the eccentric shaft is vertical to be fixed between punch holder and lower plate, and. The utility model discloses the continuous return bend of multiple demand is mainly applicable to.

Description

Space continuous pipe bending die

Technical Field

The utility model belongs to the bending die field, concretely relates to space continuous bending die.

Background

The current water-cooled wall tube panel space continuous bent tube has the advantages that the specification is large, the quantity is large, an angle rule and a level ruler are generally adopted to be matched for use during continuous bent tube, the space angle of the bent tube is further positioned, the operation of workers is troublesome, and the positioning and adjusting difficulty of the space angle of the tube is large. In order to improve the accuracy of the angular positioning of the spatial pipe bending and reduce the labor intensity of workers, a mold needs to be designed for the pipe bending process so as to meet the production requirement of spatial continuous pipe bending of the pipe. Although there are also tools for bending tubes, such as the continuous space angle bending die described in the publication No. CN1035066A, which can achieve the function of bending tubes, it cannot adjust the angle of the bending tubes, has narrow applicability, and cannot be matched with a machine tool.

Therefore, a space continuous bending die which has accurate angle positioning of the space bent pipe, high degree of mechanization and easy angle adjustment of the bent pipe is needed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the defect that current bending die return bend angular positioning is inaccurate, degree of mechanization is low, can not adjust the return bend angle, provide a space continuous bending die of space return bend angular positioning accuracy, mechanization, easily adjustment return bend angle.

The utility model relates to a technical scheme of space continuous elbow mould as follows:

the utility model relates to a space continuous pipe bending die, which comprises a sector disc, an upper clamp plate, a lower clamp plate, a curve inner clamping block, an outer clamping block and an eccentric shaft, wherein the sector disc is provided with a chute matched with a bent pipe along a sector edge, the upper clamp plate is fixed on the upper surface of the sector disc, the lower clamp plate is fixed on the lower surface of the sector disc, one side of the sector disc is provided with a groove matched with the curve inner clamping block, the curve inner clamping block comprises a right curve inner clamping block and a left curve inner clamping block, the right curve inner clamping block is arranged in the groove of the sector disc, the right curve inner clamping block and the left curve inner clamping block are involutory to form a hollow through hole, one side of the outer clamping block is provided with a groove matched with the outer surface of the curve inner clamping block, the left curve inner clamping block is arranged in the groove of the outer clamping block, the outer clamping block is arranged between the upper clamp plate and the lower clamp plate, the eccentric shaft is vertically fixed between the upper clamping plate and the lower clamping plate and is extruded to the outer clamping block by rotating the eccentric shaft.

Further: threaded holes are formed in the grooves of the right curve inner clamping block, the left curve inner clamping block, the outer clamping block and the fan-shaped disc.

Further: the fan-shaped disc, the upper clamping plate and the lower clamping plate are provided with through holes in one-to-one correspondence, and the upper clamping plate, the fan-shaped disc and the lower clamping plate are fixed in sequence by penetrating through the through holes through fasteners.

Further: the outer surface of the curve inner clamping block is an arc curved surface, and the end face of the right curve inner clamping block is provided with angle scale marks.

Further: the lower part of the fan-shaped disc is provided with a groove, the upper part of the lower clamping plate is provided with a bulge matched with the groove at the lower part of the fan-shaped disc, and the lower part of the lower clamping plate is provided with a fixing groove.

Further: the right curve inner clamping block and the left curve inner clamping block are replaced by two symmetrically arranged straight clamping blocks, the outer surface of each straight clamping block is the same as that of the curve inner clamping block, and through holes matched with the straight pipes are formed in the inner surfaces of the two straight clamping blocks after being closed.

The utility model relates to a space bending die in succession's beneficial effect is:

the utility model relates to a space continuous bending mould can improve the accuracy of space return bend angular positioning, alleviates workman's intensity of labour, and the production demand of pipe space continuous bending is satisfied in the spherical clamp splice design of space continuous bending mould, and is good through production result of use, has solved the difficult problem that the positioning accuracy of space continuous bending space angle is poor, improves the return bend quality.

Drawings

FIG. 1 is a front view of a spatially continuous bending die;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a front view of the sector plate; FIG. 4 is a top view of FIG. 3;

FIG. 5 is a front view of the right curved inner clamp block; FIG. 6 is a top view of FIG. 5; FIG. 7 is a cross-sectional view A-A of FIG. 6;

FIG. 8 is a front view of the left curved inner clamp block; FIG. 9 is a top view of FIG. 8; FIG. 10 is a cross-sectional view A-A of FIG. 9;

FIG. 11 is a front view of the outer clamp block; FIG. 12 is a partial view taken from the K-direction of FIG. 11; FIG. 13 is a top view of FIG. 11;

FIG. 14 is a front view of the upper clamp plate; FIG. 15 is a top view of FIG. 14;

FIG. 16 is a front view of the lower jaw; FIG. 17 is a top view of FIG. 16;

FIG. 18 is a front view of a straight clamping block; FIG. 19 is a top view of FIG. 18;

in the figure, 1 is a sector disc, 2 is an upper clamping plate, 3 is a first bolt, 4 is a second bolt, 5 is a lower clamping plate, 6 is a straight clamping block, 7 is a right curve inner clamping block, 8 is a left curve inner clamping block, 9 is an outer clamping block, 10 is an eccentric shaft, 11 is a chute, and 12 is a nut.

Detailed Description

The technical solution of the present invention is further described below with reference to the embodiments, but not limited thereto, and all modifications or equivalent replacements of the technical solution of the present invention may be made without departing from the spirit and scope of the technical solution of the present invention.

Example 1

The present embodiment is described with reference to fig. 1 to 13, and in the present embodiment, the present embodiment relates to a space continuous pipe bending mold, which includes a sector disc 1, an upper clamp plate 2, a lower clamp plate 5, a curved inner clamp block, an outer clamp block 9, and an eccentric shaft 10, the sector disc 1 is provided with a chute 11 along a sector edge, the upper clamp plate 2 is fixed on an upper surface of the sector disc 1, the lower clamp plate 5 is fixed on a lower surface of the sector disc 1, one side of the sector disc 1 is provided with a groove matched with the curved inner clamp block, the curved inner clamp block includes a right curved inner clamp block 7 and a left curved inner clamp block 8, the right curved inner clamp block 7 is installed in the groove of the sector disc 1, the right curved inner clamp block 7 and the left curved inner clamp block 8 are involutory to form a hollow through hole, an outer surface of the curved inner clamp block is installed in the groove of the sector disc 1, one side of the outer clamp block 9 is provided with a groove matched with an outer surface of the curved inner clamp block, the left curve inner clamping block 8 is arranged in a groove of an outer clamping block 9, the outer clamping block 9 is arranged between the upper clamping plate 2 and the lower clamping plate 5, the eccentric shaft 10 is vertically fixed between the upper clamping plate 2 and the lower clamping plate 5, and the eccentric shaft 10 is made to extrude the outer clamping block 9 by rotating the eccentric shaft 10. The purpose of this is: the space continuous pipe bending die comprises an outer clamping block 9, a curve inner clamping block and an eccentric shaft 10, wherein the shape of an inner side through hole of the curve inner clamping block is designed according to the pipe diameter and the radius size of a bent pipe, the middle of the curve inner clamping block is provided with the through hole, the center line of the through hole and the contact surface of the two curve inner clamping blocks form a certain angle, a right curve inner clamping block 7 and a left curve inner clamping block 8 are folded to form a cylinder with a hollow circular through hole, the outer side of the curve inner clamping block is designed to be a circular arc surface and respectively matched with a sector disc 1 and the outer clamping block 9, the curve inner clamping block is ensured to flexibly rotate in positioning grooves of the outer clamping block 9 and the sector disc 1, according to the size requirements of products, as shown in figures 1 and 2, the space angle of the curve inner clamping block is firstly adjusted, then the eccentric shaft 10 is rotated, the eccentric shaft 10 which is not contacted with the outer clamping block is rotated to tightly press the outer clamping block 9, the left curve inner clamping block 8 is pressed towards the right direction under the, and then the bent pipe in the through hole that clamp splice 7 and the left curve inner clamp splice 8 formed to closing tightly in will being located right curve drives sector disc 1, makes sector disc 1 rotatory, and the bent pipe is buckled along with sector disc's shape, realizes that the space is bent in succession, and it is good to produce the result of use, satisfies the production demand that the water-cooled wall tube panel carries out the continuous return bend product in tube space.

Example 2

In the present embodiment, in the space continuous bending mold according to the present embodiment, threaded holes are formed in the grooves of the right curved inner clamping block 7, the left curved inner clamping block 8, the outer clamping block 9, and the sector plate 1. The purpose of this is: the left curve inner clamping block 8 and the outer clamping block 9 are fixed by bolts, the right curve inner clamping block 7 and the sector disc 1 are fixed by bolts, namely, the inner wall of the left curve inner clamping block 8 is provided with a fixing hole, a positioning groove of the sector disc 1 is also provided with a fixing hole,

example 3

In the present embodiment, through holes corresponding to each other are formed in the sector plate 1, the upper clamping plate 2 and the lower clamping plate 5, and the upper clamping plate 2, the sector plate 1 and the lower clamping plate 5 are sequentially fixed by fasteners passing through the through holes. The purpose of this is: fan-shaped dish 1 all adopts bolted connection's mode with punch holder 2 and lower plate 5, utilizes five short bolts to pass the through-hole in proper order and is connected the fastening with punch holder 2, lower plate 5 and fan-shaped dish 1, recycles three stay bolt and is connected the fastening with lower plate 5 and fan-shaped dish 1, three bolt includes a bolt 4, No. two bolts 5 and No. three bolts, this connected mode convenient assembling. When the diameter of the bend radius of the product is close to the diameter of the through hole of the three connecting bolts of the equipment, the problem of difficult connection between the die and the equipment exists, the lower clamping plate 5 is connected with the equipment firstly by adopting the structure, and the fan-shaped disc 1 and the upper clamping plate 2 are connected and fastened with the lower clamping plate 5 by using the three long bolts, so that the aim of bending the pipe is fulfilled.

Example 4

The present embodiment is described with reference to embodiment 1, and in the present embodiment, the outer surface of the curved inner clamping block is a circular arc curved surface, and the right curved inner clamping block 7 is provided with angle scale lines. The purpose of this is: the right curve inner clamping block 7 is horizontally provided with scribed lines, according to the requirement of a product space angle, as shown in fig. 1 and fig. 2, an included angle between the right curve inner clamping block 7 and end face scales of the sector disc 1 is found, a circle of bulge is arranged on the outer side of the outer clamping block 9 and used for preventing the outer clamping block from falling off when moving left and right, the outer clamping block 9 is limited by the edge bulge of the outer clamping block 9 to move left and right in a space between the upper clamping plate 2 and the lower clamping plate 5, the eccentric shaft 10 is rotated, the convex side of the eccentric shaft 10 extrudes the outer clamping block 9 to enable the eccentric shaft 10 to move towards the left curve inner clamping block 8, then extrusion force is applied to the left curve inner clamping block 8, a bent pipe is clamped through the combined action of the left curve inner clamping block 8 and the right curve inner clamping block 7, then equipment is started, and the. A right curve inner clamping block 7 and a left curve inner clamping block 8 are placed in a groove formed in one side of the fan-shaped disc 1, the height of the curve inner clamping block is determined according to the distance between the upper clamping plate 2 and the lower clamping plate 5, and the width of the curve inner clamping block is determined according to the widths of the upper clamping plate 2 and the lower clamping plate 5. Outer clamp splice spare 9 cooperatees with clamp splice 8 in the left curve, on two clamp splices, the high boss of 8mm in lower both ends also has the cooperation, two clamp splices after the cooperation utilize the boss to keep off on the terminal surface of punch holder 2 and punch holder 5, during the space return bend, the terminal surface that utilizes the clamp splice simultaneously when clamp splice 7 cliies the return bend rotation in clamp splice 8 and the right curve in the left curve, the terminal surface can keep on a plane when clamp splice 7 rotates in the clamp splice 8 and the right curve in the assurance left curve, the clamp splice takes place to move about when preventing the return bend in the curve, satisfy the return bend demand, clamp splice structural design is simple in this novel curve, the clamping is convenient, workman easy operation. 2mm of left side curve inner clamp splice 8 and right side curve inner clamp splice 7 follow cell type center processing and fall, guarantee when leaving the clearance return bend of 4mm that left side curve inner clamp splice 8 and right side curve inner clamp splice 7 directly press from both sides tight pipe, prevent that the pipe from moving.

Example 5

In this embodiment, a groove is formed in the lower portion of the sector plate 1, a protrusion matching with the groove in the lower portion of the sector plate 1 is formed in the upper portion of the lower clamping plate 5, and a fixing groove is formed in the lower portion of the lower clamping plate 5. The purpose of this is: the fixing groove of the lower clamping plate 5 is used for being matched with a machine tool to enable the mold to be positioned on the machine tool, the sector disc 1 bears most of force of a bent pipe, and the protruding grooves are arranged between the sector disc 1 and the upper clamping plate 2 to be matched, so that the sector disc 1 can be guaranteed to move along with the movement of the machine tool.

Example 6

In this embodiment, in the space continuous bending mold according to this embodiment, the right curved inner clamping block 7 and the left curved inner clamping block 8 are replaced by two symmetrically arranged straight clamping blocks 6, the outer surfaces of the straight clamping blocks 6 are the same as the outer surfaces of the curved inner clamping blocks, and through holes matched with straight pipes are formed in the inner surfaces of the two straight clamping blocks 6 after the two straight clamping blocks 6 are combined. The purpose of this is: the height of the straight clamping block 6 is determined according to the distance between the upper clamping plate 2 and the lower clamping plate 5, the width of the straight clamping block 6 is determined according to the width of the upper clamping plate 2 and the lower clamping plate 5, the right curve inner clamping block 7 is taken out and put into the straight clamping block 6 and the left curve inner clamping block 8, when a flat pipe is bent, the straight clamping block 6 is firstly put in, the eccentric shaft 10 clamps the straight pipe at the clamping blocks, then the equipment button is pressed, and the sector disc 1 is rotated to perform the flat pipe bending.

Claims (6)

1. A space continuous pipe bending die is characterized by comprising a sector disc (1), an upper clamping plate (2), a lower clamping plate (5), a curve inner clamping block, an outer clamping block (9) and an eccentric shaft (10), wherein a sliding chute (11) matched with a bent pipe is formed in the sector disc (1) along a sector edge, the upper clamping plate (2) is fixed on the upper surface of the sector disc (1), the lower clamping plate (5) is fixed on the lower surface of the sector disc (1), a groove matched with the curve inner clamping block is formed in one side of the sector disc (1), the curve inner clamping block comprises a right curve inner clamping block (7) and a left curve inner clamping block (8), the right curve inner clamping block (7) is installed in the groove of the sector disc (1), the right curve inner clamping block (7) and the left curve inner clamping block (8) form a hollow through hole, a groove matched with the outer surface of the curve inner clamping block is formed in one side of the outer clamping block (9), the left curve inner clamping block (8) is installed in a groove of the outer clamping block (9), the outer clamping block (9) is installed between the upper clamping plate (2) and the lower clamping plate (5), the eccentric shaft (10) is vertically fixed between the upper clamping plate (2) and the lower clamping plate (5), and the eccentric shaft (10) is made to extrude the outer clamping block (9) by rotating the eccentric shaft (10).

2. The space continuous pipe bending die according to claim 1, characterized in that the grooves of the right curve inner clamping block (7), the left curve inner clamping block (8), the outer clamping block (9) and the sector plate (1) are all provided with threaded holes.

3. The space continuous pipe bending die according to claim 1, wherein the sector disc (1), the upper clamping plate (2) and the lower clamping plate (5) are provided with through holes corresponding to one another, and the upper clamping plate (2), the sector disc (1) and the lower clamping plate (5) are fixed in sequence by fasteners penetrating through the through holes.

4. The space continuous pipe bending die according to claim 1, wherein the outer surface of the curved inner clamping block is a circular arc curved surface, and the end surface of the right curved inner clamping block (7) is provided with angle scale marks.

5. The space continuous pipe bending die according to claim 1, wherein a groove is formed in the lower portion of the sector plate (1), a protrusion matched with the groove in the lower portion of the sector plate (1) is formed in the upper portion of the lower clamping plate (5), and a fixing groove is formed in the lower portion of the lower clamping plate (5).

6. The space continuous pipe bending die according to claim 1, characterized in that the right curve inner clamping block (7) and the left curve inner clamping block (8) are replaced by two symmetrically arranged straight clamping blocks (6), the outer surface of the straight clamping block (6) is the same as that of the curve inner clamping block, and the inner surface of the two straight clamping blocks (6) after involution is provided with a through hole matched with a straight pipe.

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