CN214683669U

CN214683669U - Handrail bending tool

Info

Publication number: CN214683669U
Application number: CN202121164210.6U
Authority: CN
Inventors: 李燕杰; 李恩宝; 陈旭; 王盼合; 王永刚; 程建军; 杜亚军; 赵海员; 鞠庆红; 赵东升; 刘英新; 段晓亮; 马鹏坤; 宋剑秋
Original assignee: Hebei Jinxi Iron And Steel Group Heavy Industry Technology Co ltd
Current assignee: Hebei Jinxi Iron And Steel Group Heavy Industry Technology Co ltd
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2021-11-12
Anticipated expiration: 2031-05-27

Abstract

The utility model provides a railing frock of bending belongs to railing processing production facility technical field. The steel pipe pushing device comprises a base, a die holder, two steel pipe guide mechanism die heads and a pushing connecting piece, wherein the base is used for being connected with a working surface; the die holder is fixedly arranged on the base and is provided with a first die groove for accommodating the steel pipe; the two steel pipe guide mechanisms are respectively arranged on two sides of the die holder and used for the steel pipe to be bent to pass through; the die head is movably arranged on the base and is provided with a second die cavity matched with the first die cavity; the pushing connecting piece is fixedly connected with the die head, is used for being connected with or contacted with the pushing mechanism, and is used for pushing the die head to move towards the die holder so as to bend the part, located between the die holder and the die head, of the steel pipe passing through the steel pipe guide mechanism. The utility model has the advantages of being simple in whole structure, convenient operation can save a large amount of manpowers, improves work efficiency.

Description

Handrail bending tool

Technical Field

The utility model belongs to the technical field of railing processing production facility, more specifically say, relate to a railing frock of bending.

Background

The railing is called appendix in China and also called appendix, and is a safety facility on bridges and buildings. The material and the molding of modern railing are more various, and in numerous railings, the railing of tubular metal resonator preparation is widely used, and is higher and higher along with people's requirement, need bend the railing pipe fitting often for more pleasing to the eye people, forms crooked structure, at this moment need apply to the frock of bending usually. However, the bending tool used at present has the following defects that the bending tool needs relatively fewer bending numbers, so that manual bending is generally adopted, the labor intensity is high, and even if a small part of the bending tool can realize automation, the structure is too complex, the price is high, and the use cost is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a railing frock of bending to solve the above-mentioned technical problem who exists among the prior art, have the characteristics that can reduce intensity of labour, cost are lower.

In order to achieve the above object, the utility model adopts the following technical scheme: the rail bending tool comprises a base, a die holder, two steel pipe guide mechanism die heads and a pushing connecting piece, wherein the base is used for being connected with a working surface; the die holder is fixedly arranged on the base and is provided with a first die groove for accommodating the steel pipe; the two steel pipe guide mechanisms are respectively arranged on two sides of the die holder and used for the steel pipe to be bent to pass through; the die head is movably arranged on the base and is provided with a second die cavity matched with the first die cavity; the pushing connecting piece is fixedly connected with the die head, is used for being connected with or contacted with the pushing mechanism, and is used for pushing the die head to move towards the die holder so as to bend the part, located between the die holder and the die head, of the steel pipe passing through the steel pipe guide mechanism.

In a possible implementation mode, the handrail bending tool further comprises a support frame, the support frame is fixedly arranged on the base and is respectively connected with the die holder and the two steel pipe guide mechanisms, and the support frame, the two steel pipe guide mechanisms and the base form a limiting frame for the die head to penetrate through.

In a possible implementation manner, the pushing connecting piece comprises a pushing plate and a connecting rod, two ends of the connecting rod are respectively fixedly connected with the pushing plate and the die head, and the pushing plate is used for being connected with or contacting with the pushing mechanism.

In a possible implementation mode, the handrail bending tool further comprises a pushing mechanism, the pushing mechanism comprises a hydraulic cylinder, the hydraulic cylinder is fixedly arranged on the base, and the cylinder column is connected with the pushing plate.

In a possible implementation mode, the handrail bending tool further comprises a sliding limiting mechanism used for limiting the running direction of the die head; the sliding limiting mechanism comprises two guide rods, the two guide rods are respectively positioned at two sides of the connecting rod, are arranged along the running direction of the die head and are fixedly arranged on the base; and the top push plate is provided with sliding holes corresponding to the two guide rods, and the two guide rods penetrate through the corresponding sliding holes to form sliding fit with the top push plate.

In one possible implementation mode, the steel pipe guiding mechanism comprises a first rotating shaft, a second rotating shaft and at least two rotating wheels, wherein the first rotating shaft and the second rotating shaft are arranged in parallel, one end of the first rotating shaft is connected with the supporting frame, and the other end of the first rotating shaft is connected with the base; at least two rotating wheels are respectively sleeved on the first rotating shaft and the second rotating shaft in a rotating mode, and a gap for the steel pipe to pass through is formed between the rotating wheel located on the first rotating shaft and the rotating wheel located on the second rotating shaft.

In a possible implementation mode, one end part of the first rotating shaft is hinged with the supporting frame, and the other end part of the first rotating shaft is detachably connected with the base.

In one possible implementation, the first rotating shafts of the two steel tube guiding mechanisms are connected through a transverse connecting rod.

In one possible implementation mode, the first rotating shaft is connected with the base through a clamping structure; the clamping structure comprises a clamping block, a positioning groove, a positioning rod and a pin groove, the notch, the slide bar, a spring, pressing plate and pin rod, fixture block fixed mounting is at the top of base, the fixture block is located the one side that the transverse connecting rod is close to two first pivots, the constant head tank is seted up in one side that the fixture block is close to the transverse connecting rod, the locating lever set up in the constant head tank and with one side fixed connection of transverse connecting rod, the bottom at the locating lever is seted up in the pin groove, the notch is seted up in one side that the transverse connecting rod was kept away from to the fixture block, slide bar fixed mounting is on the top inner wall and the bottom inner wall of notch, the spring sliding sleeve is established on the slide bar, pressing plate is located the top of spring, pressing plate and the inner wall sliding connection of notch, one side of pressing plate extends outside the fixture block, pin rod sliding mounting is on the top inner wall of notch, the top of pin rod extends to the pin groove, the bottom of pin rod and the top fixed connection of pressing plate.

In one possible implementation mode, one side of the pin rod, which is positioned on the transverse connecting rod, is an arc surface, and the positioning rods are arc-shaped and distributed with the same circle center as the hinged point of the second rotating shaft; the bottom of the transverse connecting rod is a cambered surface, a through hole is formed in the inner wall of the top of the notch, and the pin rod penetrates through the through hole in a sliding mode; four positioning blocks are fixedly mounted at the top of the base, distributed in a rectangular array and fixedly connected with the two ends of the two guide rods respectively.

The utility model provides a railing frock of bending's beneficial effect lies in: compared with the prior art, the utility model discloses pass two steel pipe guiding mechanism with the steel pipe when using to utilize thrustor such as hydraulic cylinder to push up and push away the connecting piece, make the die head move to the die holder direction on the base, with the steel pipe bending, then return the die head, the steel pipe after will buckling takes out from two steel pipe guiding mechanism can, overall structure is simple, and convenient operation can save a large amount of manpowers, improves work efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural view of a preferred embodiment of a handrail bending tool provided by the present invention;

fig. 2 is a schematic view of an assembly structure of the guiding mechanism and the fixing mechanism of the present invention;

fig. 3 is an enlarged schematic view of a portion a shown in fig. 2.

Reference numbers in the figures: 1. a base; 2. a frame; 3. a die holder; 4. a die head; 5. a hydraulic cylinder; 6. pushing the plate; 7. a connecting rod; 8. a guide bar; 9. a first rotating shaft; 10. a transverse connecting rod; 11. a second rotating shaft; 12. a rotating wheel; 13. a clamping block; 14. positioning a groove; 15. positioning a rod; 16. a pin slot; 17. a notch; 18. a slide bar; 19. a spring; 20. pressing the sheet; 21. a pin rod.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

It is right now the utility model provides a railing frock of bending explains.

Referring to fig. 1 and 2 together, the handrail bending tool according to the first embodiment of the present invention includes a base 1, a die holder 3, two steel pipe guiding mechanisms, a die head 4 and a pushing connector, wherein the base 1 is used for connecting with a working surface; the die holder 3 is fixedly arranged on the base 1 and is provided with a first die cavity for accommodating a steel pipe; the two steel pipe guide mechanisms are respectively arranged at two sides of the die holder 3 and used for the steel pipe to be bent to pass through; the die head 4 is movably arranged on the base 1 and is provided with a second die cavity matched with the first die cavity; the pushing connecting piece is fixedly connected with the die head 4, is used for being connected with or contacted with the pushing mechanism, and is used for pushing the die head 4 to move towards the die holder 3 so as to bend the part, located between the die holder 3 and the die head 4, of the steel pipe passing through the steel pipe guide mechanism.

The railing frock of bending that this embodiment provided, compare with prior art, pass two steel pipe guiding mechanism with the steel pipe when using to utilize thrusting mechanisms such as hydraulic cylinder to push up and push away the connecting piece, make die head 4 move to 3 directions of die holder on base 1, with the steel pipe bending, then return die head 4 again, the steel pipe after will buckling take out from two steel pipe guiding mechanism can, overall structure is simple, convenient operation can save a large amount of manpowers, improves work efficiency.

Further, referring to fig. 1 to fig. 3, the present invention provides a first embodiment, which comprises the following steps:

railing frock of bending still includes support frame 2, support frame 2 is fixed to be set up on base 1, and be connected with die holder 3 and two steel pipe guiding mechanism respectively, support frame 2 forms the spacing frame that is used for die head 4 to pass with two steel pipe guiding mechanism and base 1, so that carry on spacingly to die head 4 when die head 4 advances, keep die head 4 and die holder 3's alignment state, support frame 2 can also play reinforced (rfd) effect to die holder 3 and two steel pipe guiding mechanism in addition, avoid die holder 3 and two steel pipe guiding mechanism to remove or warp.

The pushing connecting piece comprises a pushing plate 6 and a connecting rod 7, two ends of the connecting rod 7 are respectively fixedly connected with the pushing plate 6 and the die head 4, and the pushing plate 6 is used for being connected with or contacting with a pushing mechanism. The arrangement of the ejector plate 6 and the connecting rod 7 can reduce the weight of the die head 4 while extending the length of the die head 4, thereby facilitating the retraction of the die head 4.

The handrail bending tool further comprises a pushing mechanism, the pushing mechanism comprises a hydraulic cylinder 5, the hydraulic cylinder 5 is fixedly arranged on the base 1, and the cylinder column is connected with the pushing plate 6.

The handrail bending tool further comprises a sliding limiting mechanism used for limiting the running direction of the die head 4; the sliding limiting mechanism comprises two guide rods 8, the two guide rods 8 are respectively positioned at two sides of the connecting rod 7, are arranged along the running direction of the die head 4 and are fixedly arranged on the base 1; the ejector plate 6 is provided with sliding holes corresponding to the two guide rods 8, and the two guide rods 8 pass through the corresponding sliding holes to form sliding fit with the ejector plate 6.

The steel pipe guiding mechanism comprises a first rotating shaft 9, a second rotating shaft 11 and at least two rotating wheels 12, wherein the first rotating shaft 9 and the second rotating shaft 11 are arranged in parallel, one end of each rotating shaft is connected with the supporting frame 2, and the other end of each rotating shaft is connected with the base 1; at least two rotating wheels 12 are respectively sleeved on the first rotating shaft 9 and the second rotating shaft 11 in a rotating mode, and a gap for a steel pipe to pass through is formed between the rotating wheel 12 located on the first rotating shaft 9 and the rotating wheel 12 located on the second rotating shaft 11.

one end of the first rotating shaft 9 is hinged with the supporting frame 2, and the other end is detachably connected with the base 1.

The first rotating shafts 9 of the two steel pipe guide mechanisms are connected through a transverse connecting rod 10.

The first rotating shaft 9 is connected with the base 1 through a clamping structure; the clamping structure comprises a clamping block 13, a positioning groove 14, a positioning rod 15, a pin groove 16, a notch 17, a sliding rod 18, a spring 19, a pressing sheet 20 and a pin rod 21, wherein the clamping block 13 is fixedly arranged at the top of the base 1, the clamping block 13 is positioned at one side of the transverse connecting rod 10 close to the two first rotating shafts 9, the positioning groove 14 is formed in one side of the clamping block 13 close to the transverse connecting rod 10, the positioning rod 15 is arranged in the positioning groove 14 and fixedly connected with one side of the transverse connecting rod 10, the pin groove 16 is formed in the bottom of the positioning rod 15, the notch 17 is formed in one side of the clamping block 13 far away from the transverse connecting rod 10, the sliding rod 18 is fixedly arranged on the inner wall of the top and the inner wall of the bottom of the notch 17, the spring 19 is slidably arranged on the sliding rod 18, the pressing sheet 20 is positioned at the top of the spring 19, the pressing sheet 20 is slidably connected with the inner wall of the notch 17, one side of the pressing sheet 20 extends out of the clamping block 13, and the pin rod 21 is slidably arranged on the inner wall of the top of the notch 17, the top end of the pin rod 21 extends into the pin slot 16, and the bottom end of the pin rod 21 is fixedly connected with the top of the pressing sheet 20.

One side of the pin rod 21, which is positioned on the transverse connecting rod 10, is an arc surface, and the positioning rod 15 is arc-shaped and is distributed with the same center of circle as the hinged point of the second rotating shaft 11; the bottom of the transverse connecting rod 10 is a cambered surface, a through hole is formed in the inner wall of the top of the notch 17, and the pin rod 21 penetrates through the through hole in a sliding manner; four positioning blocks are fixedly mounted at the top of the base 1, distributed in a rectangular array and fixedly connected with two ends of the two guide rods 8 respectively.

During the use, at first start the pneumatic cylinder 5, make the output pole of pneumatic cylinder 5 retract, make die head 4 break away from die holder 3, later place the railing tubular product that needs to buckle between four runners 12, start the pneumatic cylinder 5 afterwards and make its output pole stretch out, bend the tubular product through the effect of die head 4 and die holder 3, when needing to take out tubular product, press piece 20 is pressed downwards to one hand, compress spring 19 when making press piece 20 move down, press piece 20 drives pin 21 and breaks away from the keyway 16 on the locating lever 15 simultaneously, at this moment, overturn horizontal connecting rod 10 to the one side of keeping away from first pivot 9, make two second pivot 11 deflections, locating lever 15 at this moment breaks away from constant head tank 14 on the fixture block 13 and can take out tubular product, and is simple, it can continue to use to take off two second pivot 11 that reset after tubular product.

The utility model has the advantages that the cost of the simple hydraulic cylinder driving mode is low, and the guide rod can ensure the sliding stability of the pushing plate; the second rotating shafts hinged through the guide mechanism are convenient to deflect, the pipe deformed after being bent can be conveniently taken out, the operation is simple, the transverse connecting rod can be positioned in use through the fixing mechanism, the two second rotating shafts are positioned, the smooth operation of bending is guaranteed, and the unlocking is also quick.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a railing frock of bending which characterized in that includes:

the base is used for being connected with the working surface;

the die holder is fixedly arranged on the base and is provided with a first die groove for accommodating a steel pipe;

the two steel pipe guide mechanisms are respectively arranged on two sides of the die holder and used for the steel pipe to be bent to pass through;

the die head is movably arranged on the base and is provided with a second die groove matched with the first die groove;

and the pushing connecting piece is fixedly connected with the die head, is used for being connected with or contacted with the pushing mechanism, and is used for pushing the die head to move towards the die holder so as to bend the part, located between the die holder and the die head, of the steel pipe passing through the steel pipe guide mechanism.

2. The handrail bending tool of claim 1, wherein: the handrail bending tool further comprises a support frame, the support frame is fixedly arranged on the base and is respectively connected with the die holder and the two steel pipe guide mechanisms, and the support frame, the two steel pipe guide mechanisms and the base form a limiting frame used for the die head to penetrate through.

3. The handrail bending tool of claim 1, wherein: the pushing connecting piece comprises a pushing plate and a connecting rod, two ends of the connecting rod are respectively fixedly connected with the pushing plate and the die head, and the pushing plate is used for being connected with or contacting with the pushing mechanism.

4. The handrail bending tool of claim 3, wherein: the handrail bending tool further comprises a pushing mechanism, the pushing mechanism comprises a hydraulic cylinder, the hydraulic cylinder is fixedly arranged on the base, and the cylinder column is connected with the pushing plate.

5. A handrail bending tool according to claim 3 or 4, wherein: the handrail bending tool further comprises a sliding limiting mechanism used for limiting the running direction of the die head; the sliding limiting mechanism comprises two guide rods, the two guide rods are respectively positioned on two sides of the connecting rod, arranged along the running direction of the die head and fixedly arranged on the base; and the top push plate is provided with sliding holes corresponding to the two guide rods, and the two guide rods penetrate through the corresponding sliding holes to form sliding fit with the top push plate.

6. The handrail bending tool of claim 2, wherein: the steel pipe guide mechanism comprises a first rotating shaft, a second rotating shaft and at least two rotating wheels, wherein the first rotating shaft and the second rotating shaft are arranged in parallel, one end of each rotating shaft is connected with the support frame, and the other end of each rotating shaft is connected with the base; at least two the runner rotates the cover respectively and establishes first pivot with on the second pivot, and is located on the first pivot the runner with be located on the second pivot be equipped with the space that is used for the steel pipe to pass through between the runner.

7. A handrail bending tool according to claim 6, wherein: one end of the first rotating shaft is hinged to the supporting frame, and the other end of the first rotating shaft is detachably connected with the base.

8. A handrail bending tool according to claim 7, wherein: the first rotating shafts of the two steel pipe guide mechanisms are connected through a transverse connecting rod.

9. A handrail bending tool according to claim 8, wherein: the first rotating shaft is connected with the base through a clamping structure; the clamping structure comprises a clamping block, a positioning groove, a positioning rod, a pin groove, a notch, a sliding rod, a spring, a pressing sheet and a pin rod, wherein the clamping block is fixedly arranged at the top of the base, the clamping block is positioned at one side of the transverse connecting rod close to the two first rotating shafts, the positioning groove is formed at one side of the clamping block close to the transverse connecting rod, the positioning rod is arranged in the positioning groove and is fixedly connected with one side of the transverse connecting rod, the pin groove is formed at the bottom of the positioning rod, the notch is formed at one side of the clamping block away from the transverse connecting rod, the sliding rod is fixedly arranged on the inner wall of the top and the inner wall of the bottom of the notch, the spring is sleeved on the sliding rod in a sliding manner, the pressing sheet is arranged on the sliding rod, the pressing sheet is positioned at the top of the spring and is connected with the inner wall of the notch in a sliding manner, one side of the pressing piece extends out of the clamping block, the pin rod is slidably mounted on the inner wall of the top of the notch, the top end of the pin rod extends into the pin groove, and the bottom end of the pin rod is fixedly connected with the top of the pressing piece.

10. The handrail bending tool of claim 9, wherein: one side of the pin rod, which is positioned on the transverse connecting rod, is an arc surface, and the positioning rod is arc-shaped and is distributed with the same circle center as the hinged point of the second rotating shaft; the bottom of the transverse connecting rod is an arc surface, a through hole is formed in the inner wall of the top of the notch, and the pin rod penetrates through the through hole in a sliding mode.