CN213103936U

CN213103936U - Steel pipe mould of bending

Info

Publication number: CN213103936U
Application number: CN202020698226.4U
Authority: CN
Inventors: 丁子怡
Original assignee: Jiangsu Gorden Automobile Steel Tube Co ltd
Current assignee: Jiangsu Gorden Automobile Steel Tube Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2021-05-04
Anticipated expiration: 2030-04-30

Abstract

The utility model relates to a steel pipe mould of bending. It is characterized by comprising a lower die base, and an upper die plate is arranged above the lower die base. The bottom of cope match-plate pattern has the pressure head, and the bottom and both sides of pressure head all have the upper groove, and the upper groove both ends of pressure head bottom link to each other with the upper groove lower extreme of pressure head both sides respectively. The lower die holder is provided with a supporting block, and two ends of the top of the supporting block are provided with brackets. The support contains the support tablet that two parallels were arranged side by side, has the back shaft of horizontal arrangement between two support tablets, all has the spacing roller on the back shaft, all has annular groove on the roll surface of spacing roller. The top of the supporting block between the two supports is provided with a longitudinally arranged material ejecting block, the top of the material ejecting block is provided with a longitudinal groove, and two ends of the longitudinal groove are respectively positioned on two ends of the material ejecting block, so that two ends of the longitudinal groove are both in an open shape. The longitudinal groove, the annular groove and the upper groove are all in the same vertical plane, and the radiuses of the sections of the longitudinal groove, the annular groove and the upper groove are equal. By adopting the die, the working steps can be reduced, and the working efficiency is improved.

Description

Steel pipe mould of bending

Technical Field

The utility model relates to a mould, the steel pipe mould of bending specifically says so. Is particularly suitable for steel pipes with higher surface requirements.

Background

At present, the traditional roller bending machine is adopted in the industry to bend the steel pipe. The bending machine mainly comprises a rack, wherein three bending rollers are arranged on the rack, the three bending rollers are respectively positioned on three vertexes of an isosceles triangle, and a motor for driving a rotating shaft of each bending roller is arranged on the rack. Traditional roll bending machine adopts the mode of roll-in to bend the steel pipe, and the influence that causes the steel pipe surface is great, bends the back, need polish, could get into next process to the surface of steel pipe, leads to operating procedure more, and work efficiency is lower.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a steel pipe mould of bending adopts the reducible work step of this mould, improves work efficiency.

In order to solve the problems, the following technical scheme is provided:

the utility model discloses a steel pipe mould of bending's characteristics are including the die holder, and there is the cope match-plate pattern that the level was arranged in the top of die holder. The bottom of cope match-plate pattern is fixed with the pressure head, and the bottom and both sides of pressure head all have the upper groove, and the section of upper groove all is semicircular, and the upper groove both ends of pressure head bottom link to each other with the upper groove lower extreme of pressure head both sides respectively. And a strip-shaped supporting block is arranged on the lower die holder below the pressure head, and supports are arranged at two ends of the top of the supporting block. The support contains the support tablet that two parallels were arranged side by side, and two support tablet have the back shaft of horizontal arrangement between, all have spacing roller on the back shaft, and the height of two spacing rollers is the same, all has annular groove on the roll surface of spacing roller, and annular groove all arranges along the circumference of spacing roller, and annular groove's section is semi-circular. The top of the supporting block between the two supports is provided with a material ejecting block which is longitudinally arranged along the supporting block, the two ends of the material ejecting block respectively abut against the two supports, the top of the material ejecting block is provided with a longitudinal groove, the section of the longitudinal groove is semicircular, and the two ends of the longitudinal groove are respectively positioned at the two ends of the material ejecting block, so that the two ends of the longitudinal groove are both open. The longitudinal groove, the annular groove and the upper groove are all in the same vertical plane, and the radiuses of the sections of the longitudinal groove, the annular groove and the upper groove are equal.

In the scheme, the baffle plate is vertically arranged between the outer sides of the two supporting plates of one support, the outer side of the baffle plate is provided with the screw rod which is horizontally arranged, the screw rod is perpendicular to the baffle plate, and one end of the screw rod is fixed on the baffle plate through the bearing, so that the screw rod and the baffle plate are axially fixed and are matched in a circumferential rotation mode. The outside of baffle has the fly leaf, has the hole of stepping down on the fly leaf, and the fly leaf is in through should stepping down hole empty sleeve on the screw rod, there is the nut on the fly leaf lateral surface, and the one end of nut is fixed around the hole of stepping down, is threaded connection between nut and the screw rod. The outer side of the baffle is fixedly provided with a guide rod which is horizontally arranged, the guide rod is parallel to the screw rod, one end of the guide rod penetrates through the movable plate and extends out of one side of the movable plate far away from the baffle, and the movable plate and the guide rod are in sliding fit. The top of fly leaf has the breach, the breach with the annular groove is in same vertical plane, and the lower border of breach and the last border height of annular groove tank bottom equals.

The guide rods are arranged on two sides below the screw respectively, annular bosses are arranged at the outer ends of the guide rods, and springs are sleeved on the guide rods between the annular bosses and the movable plates.

The bottom of the upper template is provided with a guide sleeve, a lower die holder below the guide sleeve is provided with a guide pillar, and the upper end of the guide pillar is positioned in the guide sleeve.

By adopting the scheme, the method has the following advantages:

because the utility model discloses a bottom of steel pipe mould of bending's cope match-plate pattern is fixed with the pressure head, there is the upper groove both sides in the bottom of pressure head, there is the supporting shoe on the die holder of pressure head below, the both ends at supporting shoe top all have the support, the support contains the support tablet that two parallels were arranged side by side, there is the back shaft between two support tablets, all there is the spacing roller on the back shaft, all there is annular groove on the roll surface of spacing roller, annular groove's section is semi-circular, there is the ejector piece at the supporting shoe top, there is vertical recess at the top of ejector piece, vertical recess, annular groove and upper groove are all in same vertical plane. When in use, the die is connected with a punch. During operation, the steel pipe to be bent is placed between the annular grooves of the two limiting rollers, the punch press is started, and the punch is driven to punch and bend the steel pipe. The die is used for bending the steel pipe in a stamping mode, and the surface of the steel pipe is hardly affected, so that the surface of the steel pipe is not required to be treated after bending, the treatment process is greatly simplified, and the working efficiency is improved.

Drawings

Fig. 1 is the structural schematic diagram of the steel pipe bending die of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in figure 1, the utility model discloses a steel pipe mould of bending's characteristics are including die holder 1, and there is the cope match-plate pattern 10 that the level was arranged in the top of die holder 1. The bottom of cope match-plate pattern 10 is fixed with pressure head 9, and pressure head 9's bottom and both sides all have upper groove 21, and upper groove 21's section all is semicircular, and the upper groove 21 both ends of pressure head 9 bottom link to each other with the upper groove 21 lower extreme of pressure head 9 both sides respectively. The lower die holder 1 below the pressure head 9 is provided with a strip-shaped supporting block 2, and two ends of the top of the supporting block 2 are provided with brackets. The support contains two parallel supports tablet 5 of arranging side by side, and two support tablet 5 have the back shaft 6 of horizontal arrangement within a definite time, all have spacing roller 7 on the back shaft 6, and two spacing roller 7 highly the same, all have annular groove 8 on the roll surface of spacing roller 7, and annular groove 8 all arranges along the circumference of spacing roller 7, and the section of annular groove 8 is semi-circular. There is liftout piece 3 along 2 longitudinal arrangement of supporting shoe at the supporting shoe 2 top between two supports, and the both ends of liftout piece 3 offset with two supports respectively, and there is vertical recess 4 at the top of liftout piece 3, and the section of vertical recess 4 is semi-circular, and the both ends of vertical recess 4 are located the both ends of liftout piece 3 respectively for the both ends of vertical recess 4 all are uncovered form. The longitudinal groove 4, the annular groove 8 and the upper groove 21 are all in the same vertical plane, and the radiuses of the sections of the longitudinal groove, the annular groove and the upper groove are equal.

In the scheme, a baffle 19 which is vertically arranged is arranged between the outer sides of two supporting plates 5 of one support, a screw rod 15 which is horizontally arranged is arranged on the outer side of the baffle 19, the screw rod 15 is vertical to the baffle 19, and one end of the screw rod 15 is fixed on the baffle 19 through a bearing, so that the screw rod 15 and the baffle 19 are axially fixed and circumferentially rotationally matched. The outside of baffle 19 has the movable plate 20, has the hole of stepping down on the movable plate 20, and the movable plate 20 is through the empty cover in the screw rod 15 of this hole of stepping down, has nut 14 on the movable plate 20 lateral surface, and the one end of nut 14 is fixed around the hole of stepping down, is threaded connection between nut 14 and screw rod 15. A horizontally arranged guide rod 17 is fixed on the outer side of the baffle 19, the guide rod 17 is parallel to the screw 15, one end of the guide rod 17 penetrates through the movable plate 20 and extends to the side of the movable plate 20 far away from the baffle 19, and the movable plate 20 is in sliding fit with the guide rod 17. The top of the movable plate 20 is provided with a notch 13, the notch 13 and the annular groove 8 are in the same vertical plane, and the height of the lower edge of the notch 13 is equal to that of the upper edge of the bottom of the annular groove 8.

The number of the guide rods 17 is two, the two guide rods are respectively positioned at two sides below the screw 15, the outer ends of the guide rods 17 are respectively provided with an annular boss 18, and the section of the guide rods 17 between the annular boss 18 and the movable plate 20 is respectively sleeved with a spring 16.

The bottom of the upper template 10 is provided with a guide sleeve 11, a guide post 12 is arranged on the lower die holder 1 below the guide sleeve 11, and the upper end of the guide post 12 is positioned in the guide sleeve 11.

When in use, the die is connected with a punch. During working, the steel pipe 22 to be bent is placed between the annular grooves 8 of the two limiting rollers 7, and the punch press is started to drive the punch to punch and bend the steel pipe 22. The die is used for bending the steel pipe in a stamping mode, and the surface of the steel pipe is hardly affected, so that the surface of the steel pipe is not required to be treated after bending, the treatment process is greatly simplified, and the working efficiency is improved.

Claims

1. A steel pipe bending die is characterized by comprising a lower die base (1), wherein an upper die plate (10) which is horizontally arranged is arranged above the lower die base (1); a pressure head (9) is fixed at the bottom of the upper template (10), upper grooves (21) are formed in the bottom and two sides of the pressure head (9), the sections of the upper grooves (21) are semicircular, and two ends of each upper groove (21) in the bottom of the pressure head (9) are connected with the lower ends of the upper grooves (21) in the two sides of the pressure head (9) respectively; a strip-shaped supporting block (2) is arranged on the lower die holder (1) below the pressure head (9), and supports are arranged at two ends of the top of the supporting block (2); the support comprises two support plates (5) which are arranged in parallel, a support shaft (6) which is horizontally arranged is arranged between the two support plates (5), the support shaft (6) is provided with a limiting roller (7), the two limiting rollers (7) are the same in height, the roller surfaces of the limiting rollers (7) are provided with annular grooves (8), the annular grooves (8) are arranged along the circumferential direction of the limiting rollers (7), and the sections of the annular grooves (8) are semicircular; the top of the supporting block (2) between the two supports is provided with a jacking block (3) which is longitudinally arranged along the supporting block (2), two ends of the jacking block (3) are respectively abutted against the two supports, the top of the jacking block (3) is provided with a longitudinal groove (4), the section of the longitudinal groove (4) is semicircular, and two ends of the longitudinal groove (4) are respectively positioned on two ends of the jacking block (3), so that two ends of the longitudinal groove (4) are both open; the longitudinal groove (4), the annular groove (8) and the upper groove (21) are all in the same vertical plane, and the radiuses of the sections of the longitudinal groove, the annular groove and the upper groove are equal.

2. The steel pipe bending die according to claim 1, wherein a baffle (19) is vertically arranged between the outer sides of two support plates (5) of one support, a screw (15) is horizontally arranged on the outer side of the baffle (19), the screw (15) is perpendicular to the baffle (19), and one end of the screw (15) is fixed on the baffle (19) through a bearing, so that the screw (15) and the baffle (19) are axially fixed and circumferentially rotationally matched; a movable plate (20) is arranged on the outer side of the baffle (19), a yielding hole is formed in the movable plate (20), the movable plate (20) is sleeved on the screw rod (15) in a hollow mode through the yielding hole, a nut (14) is arranged on the outer side face of the movable plate (20), one end of the nut (14) is fixed to the periphery of the yielding hole, and the nut (14) is in threaded connection with the screw rod (15); a guide rod (17) which is horizontally arranged is fixed on the outer side of the baffle (19), the guide rod (17) is parallel to the screw rod (15), one end of the guide rod (17) penetrates through the movable plate (20) to extend out to one side of the movable plate (20) far away from the baffle (19), and the movable plate (20) is matched with the guide rod (17) in a sliding manner; the top of fly leaf (20) has breach (13), breach (13) with annular groove (8) are in same vertical plane, and the lower border of breach (13) equals with the last border height of annular groove (8) tank bottom.

3. The steel pipe bending die according to claim 2, wherein two guide rods (17) are provided, and are respectively located at two sides below the screw rod (15), the outer ends of the guide rods (17) are provided with annular bosses (18), and the section of the guide rods (17) between the annular bosses (18) and the movable plate (20) is sleeved with springs (16).

4. The steel pipe bending die according to any one of claims 1 to 3, wherein a guide sleeve (11) is arranged at the bottom of the upper die plate (10), a guide post (12) is arranged on the lower die holder (1) below the guide sleeve (11), and the upper end of the guide post (12) is located in the guide sleeve (11).