CN211135074U

CN211135074U - 90-degree elbow bending equipment

Info

Publication number: CN211135074U
Application number: CN201922232774.8U
Authority: CN
Inventors: 盛涛; 张铁力; 祁红; 陈有清; 杨华
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-07-31
Anticipated expiration: 2029-12-13

Abstract

The utility model discloses a 90-degree elbow bending device, the lower die assembly comprises a bottom plate, a lower die, a pipe body, grooves, baffles and inverted trapezoidal grooves, the grooves are formed in both sides of the inner part of the lower die, the inverted trapezoidal grooves are formed in the front surface and the rear surface of the lower die, the baffles are welded in both sides of the grooves, and the brake assembly comprises a roller, a rolling shaft, a rolling groove and a through hole; the rolling grooves of the rollers are respectively placed at the two ends of the pipe body to be bent, the two ends of the pipe body move downwards in the rolling grooves of the two rollers, the hydraulic rod of the hydraulic cylinder drives the pressing block to press the upper die, the bending portion of the pipe body is located in the annular groove of the upper die, the hydraulic cylinder is under the pressure generated by tons, the pipe body is cold-bent by the upper die and the lower die, deformation is effectively prevented when the elbow is extruded, the pipe body is guaranteed to be free of damage, the bending portion can reach 6mm, the elbow can be normally used, and the quality and the yield of products are improved.

Description

90-degree elbow bending equipment

Technical Field

The utility model relates to an elbow technical field that bends specifically is 90 degrees elbows equipment of bending.

Background

The bending is carried out by adopting a complete set of bending equipment and is divided into two processes of cold bending and hot pushing; most of machine equipment and pipelines are bent pipes which are mainly used for oil transportation, gas transportation, liquid transportation, engineering bridge construction and the like, and the bent pipe technology is widely applied to various production industries along with the high-speed development of modern science and technology; the steel pipe just can produce processing after bending, when bending, generally adopt the bending machine to bend, mainly used electric power construction, highway construction, boiler, bridge, boats and ships, furniture, pipeline laying and repairing in the aspect of decoration etc. have many functions, rational in infrastructure, advantages such as easy operation, constantly promote the development of bending machine trade, the appearance of multiple return bend technique becomes possible for satisfying present many demands, the control product of high accuracy, current elbow bending equipment causes the harm of body easily, lead to the return bend shaping effect not good, and then make the elbow can't use, seriously influenced the quality and the output of product, for this reason, put forward 90 degrees elbow bending equipment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a 90 degrees elbows equipment of bending to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: 90 degree elbow equipment of bending includes:

the lower die assembly comprises a bottom plate, a lower die, a tube body, grooves, baffles and inverted trapezoidal grooves, the grooves are formed in two sides of the interior of the lower die, the inverted trapezoidal grooves are formed in the front surface and the rear surface of the lower die, and the baffles are welded in the two sides of the grooves;

the brake assembly comprises rollers, rolling shafts, rolling grooves and through holes, the number of the through holes in each group is two, the two groups of through holes are respectively arranged on two sides of the lower die, the rolling shafts penetrate through the insides of the two groups of through holes, and the inner walls of the rollers are connected with the outer walls of the rolling shafts;

go up the mould subassembly, it includes mould, arc portion, fixed plate, ring channel and suppression subassembly to go up the mould subassembly, the ring channel has been seted up to the inside of going up the mould the top bolted connection of going up the mould has the fixed plate, the lateral wall of body is located the inside of ring channel, the bottom both sides of going up the mould all are provided with arc portion.

As further preferable in the present technical solution: and baffles are welded inside the two grooves.

As further preferable in the present technical solution: the outer side walls of the two rollers are provided with rolling grooves, and two ends of the pipe body are respectively placed in the two rolling grooves.

As further preferable in the present technical solution: the bottom of the lower die is fixedly connected with a bottom plate.

As further preferable in the present technical solution: the width of the rolling groove is wider than that of the pipe body.

As further preferable in the present technical solution: the pressing assembly comprises a hydraulic cylinder and a pressing block, the bottom of a hydraulic rod of the hydraulic cylinder is fixedly connected with the pressing block, and one side, far away from the hydraulic cylinder, of the pressing block is attached to the top of the fixing plate.

Compared with the prior art, the beneficial effects of the utility model are that: the rolling grooves of the rollers are respectively placed at the two ends of the pipe body to be bent, the two ends of the pipe body move downwards in the rolling grooves of the two rollers, the hydraulic rod of the hydraulic cylinder drives the pressing block to press the upper die, the bending portion of the pipe body is located in the annular groove of the upper die, the hydraulic cylinder is under the pressure generated by tons, the pipe body is cold-bent by the upper die and the lower die, deformation is effectively prevented when the elbow is extruded, the pipe body is guaranteed to be free of damage, the bending portion can reach 6mm, the elbow can be normally used, and the quality and the yield of products are improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the lower mold of the present invention;

FIG. 3 is a schematic view of the roller structure of the present invention;

FIG. 4 is a schematic structural view of the upper mold of the present invention;

fig. 5 is a schematic view of the annular groove structure of the present invention.

In the figure: 10. a lower die assembly; 11. a base plate; 12. a lower die; 13. a pipe body; 14. a groove; 15. a baffle plate; 16. a reversed trapezoidal groove; 20. a brake assembly; 21. a roller; 22. a roller; 23. rolling a groove; 24. a through hole; 30. pressing the assembly; 31. a hydraulic cylinder; 32. briquetting; 40. an upper die assembly; 41. an upper die; 42. an arc-shaped portion; 43. a fixing plate; 44. an annular groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-5, the present invention provides a technical solution: 90 degree elbow equipment of bending includes:

the lower die assembly 10 comprises a bottom plate 11, a lower die 12, a tube body 13, grooves 14, baffles 15 and inverted trapezoidal grooves 16, wherein the grooves 14 are formed in two sides of the interior of the lower die 12, the inverted trapezoidal grooves 16 are formed in the front surface and the rear surface of the lower die 12, and the baffles 15 are welded in the two sides of the grooves 14;

the brake assembly 20 comprises a roller 21, a roller 22, a rolling groove 23 and two groups of through holes 24, the number of the through holes 24 in each group is two, the two groups of through holes 24 are respectively arranged on two sides of the lower die 12, the rollers 22 penetrate through the two groups of through holes 24, and the inner wall of the roller 21 is connected with the outer wall of the roller 22;

go up mould assembly 40, go up mould assembly 40 and include upper mould 41, arc portion 42, fixed plate 43, ring channel 44 and pressing subassembly 30, ring channel 44 has been seted up to upper mould 41's inside the top bolted connection of upper mould 41 has fixed plate 43, the lateral wall of body 13 is located the inside of ring channel 44, the bottom both sides of upper mould 41 all are provided with arc portion 42.

In this embodiment, specifically: two the inside all welding of recess 14 has baffle 15, and through above setting, body 13 bends and pushes down to baffle 15 department, makes the both sides outer wall and the baffle 15 contact of body 13 to support the place of body 13 and the contact of baffle 15.

In this embodiment, specifically: the rolling grooves 23 are formed in the outer side walls of the two rollers 21, the two ends of the pipe body 13 are respectively placed in the two rolling grooves 23, and through the arrangement, when the middle of the pipe body 13 is pressed by the upper die 41 to be bent, the two ends of the pipe body 13 move downwards in the rolling grooves 23 of the two rollers 21, so that the pipe body 13 can move towards the inverted trapezoidal groove 16 of the lower die 12 conveniently.

In this embodiment, specifically: bottom fixedly connected with bottom plate 11 of bed die 12, through above setting, bottom plate 11 protects the bottom of bed die 12, has avoided bed die 12 and the workstation direct contact of bending.

In this embodiment, specifically: the width of the rolling groove 23 is wider than that of the pipe body 13, and through the arrangement, the pipe body 13 is prevented from the rolling groove 23, so that friction damage to the pipe body 13 is avoided when the pipe body 13 is bent in a pressing mode.

In this embodiment, specifically: the pressing assembly 30 comprises a hydraulic cylinder 31 and a pressing block 32, the pressing block 32 is fixedly connected to the bottom of a hydraulic rod of the hydraulic cylinder 31, one side, away from the hydraulic cylinder 31, of the pressing block 32 is attached to the top of the fixing plate 43, through the arrangement, the hydraulic rod of the hydraulic cylinder 31 drives the pressing block 32 to press the upper die 41, and the pipe body 13 is cold-bent by means of the upper die 41 and the lower die 12 under the pressure generated by the hydraulic cylinder 31 being 40 tons.

Working principle or structure principle, when using, at first place the slot 23 of gyro wheel 21 respectively with the both ends of body 13 that need bend in, the both ends of body 13 move down in the slot 23 of two gyro wheels 21, the hydraulic stem of pneumatic cylinder 31 drives briquetting 32 and presses upper die 41, the portion of bending of body 13 is located the ring channel 44 of upper die 41, upper die 41 extrudes the portion of bending of body 13 downwards, make body 13 crooked in the inverted trapezoidal groove 16 of lower die 12, under the pressure of 40 tons that pneumatic cylinder 31 produced, rely on upper die 41 and lower die 12 to carry out cold bending with body 13, guarantee that the pipeline does not have the wound, prevented effectively that the elbow from taking place the deformation when extrudeing, the bending part can reach 6mm, guarantee that the elbow can normally use.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1.90 degree elbow equipment of bending, its characterized in that includes:

the lower die assembly (10) comprises a bottom plate (11), a lower die (12), a tube body (13), grooves (14), baffles (15) and inverted trapezoidal grooves (16), wherein the grooves (14) are formed in two sides of the interior of the lower die (12), the inverted trapezoidal grooves (16) are formed in the front surface and the rear surface of the lower die (12), and the baffles (15) are welded in the two sides of the grooves (14);

the brake assembly (20) comprises a roller (21), rollers (22), rolling grooves (23) and through holes (24), two groups of through holes (24) are arranged, the number of the through holes (24) in each group is two, the two groups of through holes (24) are respectively arranged on two sides of the lower die (12), the rollers (22) penetrate through the insides of the two groups of through holes (24), and the inner wall of the roller (21) is connected with the outer wall of each roller (22);

go up mould assembly (40), go up mould assembly (40) including last mould (41), arc portion (42), fixed plate (43), ring channel (44) and suppression subassembly (30), ring channel (44) have been seted up to the inside of going up mould (41) the top bolted connection of going up mould (41) has fixed plate (43), the lateral wall of body (13) is located the inside of ring channel (44), the bottom both sides of going up mould (41) all are provided with arc portion (42).

2. The 90-degree elbow press bending apparatus of claim 1, wherein: baffles (15) are welded in the two grooves (14).

3. The 90-degree elbow press bending apparatus of claim 1, wherein: the outer side walls of the two rollers (21) are provided with rolling grooves (23), and two ends of the pipe body (13) are respectively placed in the two rolling grooves (23).

4. The 90-degree elbow press bending apparatus of claim 1, wherein: the bottom of the lower die (12) is fixedly connected with a bottom plate (11).

5. The 90-degree elbow press bending apparatus of claim 1, wherein: the width of the rolling groove (23) is wider than that of the pipe body (13).

6. The 90-degree elbow press bending apparatus of claim 1, wherein: the pressing assembly (30) comprises a hydraulic cylinder (31) and a pressing block (32), the pressing block (32) is fixedly connected to the bottom of a hydraulic rod of the hydraulic cylinder (31), and one side, away from the hydraulic cylinder (31), of the pressing block (32) is attached to the top of the fixing plate (43).