CN212469346U

CN212469346U - Mould for processing gate pedestrian bridge handrail and hydraulic press using mould

Info

Publication number: CN212469346U
Application number: CN202021094852.9U
Authority: CN
Inventors: 陈雨石; 许德阳; 宗秋斌; 颜波
Original assignee: Jiangsu Baigu Steel Structure Engineering Co ltd
Current assignee: Jiangsu Baigu Steel Structure Engineering Co ltd
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2021-02-05
Anticipated expiration: 2030-06-12

Abstract

The utility model relates to a hydraulic press of processing gate pedestrian bridge mould for handrail and applied this mould relates to gate pedestrian bridge handrail mould's technical field, and it includes mould and bed die, go up the mould orientation the bed die is equipped with the circular arc arch, be equipped with the V-arrangement circular arc groove of placing the steel pipe on the bed die, when going up the mould and pushing down, the steel pipe with the bottom and the both ends butt in V-arrangement circular arc groove. The utility model provides an arc portion need use professional equipment processing, the higher problem of cost, have the processing that only needs to adopt general equipment or the method that has the pressfitting ability to accomplish arc portion, need not to adopt professional equipment, saved manufacturing cost's effect.

Description

Mould for processing gate pedestrian bridge handrail and hydraulic press using mould

Technical Field

The utility model belongs to the technical field of the technique of gate foot bridge handrail mould and specifically relates to a hydraulic press that processing gate foot bridge mould for handrail and applied this mould is related to.

Background

A pedestrian bridge is generally built on the gate, so that people can conveniently pass through the gate and the gate can be conveniently overhauled.

Pedestrian bridge handrail among the prior art is as shown in fig. 1, including montant 1 and horizontal pole 11, montant 1 and bridge floor fixed connection for support whole handrail, horizontal pole 11 then is used for preventing the pedestrian from passing from the gap between montant 1, and the tip of horizontal pole 11 is equipped with circular arc portion 12, and is comparatively pleasing to the eye, and compares in the straight-bar, and circular arc portion 12 is difficult for causing the injury to the people, and the security is better.

The cross rod is generally formed by processing a steel pipe, the arc part is generally formed by bending by using an elbow machine, but the processing frequency of the arc part is not very high, and the elbow machine is used as special equipment and is not helpful for producing other products, so that the production cost is greatly increased by processing the arc part by using the elbow machine.

SUMMERY OF THE UTILITY MODEL

According to the not enough of prior art existence, one of the purposes of the utility model is to provide a processing gate mould for footbridge handrail has and adopts general equipment can process circular arc portion, the lower effect of manufacturing cost.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a processing gate mould for foot bridge handrail, includes mould and bed die, go up the mould orientation the bed die is equipped with the circular arc arch, be equipped with the V-arrangement circular arc groove of placing the steel pipe on the bed die, when going up the mould and pushing down, the steel pipe with the bottom and the both ends butt in V-arrangement circular arc groove.

By adopting the technical scheme, the steel pipe is placed on the lower die, then the upper die is pressed downwards, the middle position of the steel pipe begins to be gradually bent until the steel pipe is abutted against the center of the bottom of the V-shaped arc groove, the steel pipe is pressed into an arc shape to form an arc part, the steel pipe can be finished by adopting general equipment or a method with pressing capacity, special equipment is not needed, and the production cost is saved; the first disc is used for forming three-point support with two ends of the V-shaped arc groove, so that when the steel pipe is pressed, the steel pipe is stable, and meanwhile, the steel pipe is too high, and the possibility that the steel pipe is abutted against the side wall of the V-shaped arc groove is reduced; compare in the steel pipe direct with V-arrangement circular arc groove butt, the suppression degree of difficulty that adopts first disc is littleer, and efficiency is also higher.

The present invention may be further configured in a preferred embodiment as: the two ends of the V-shaped arc groove are respectively provided with a second disc, the two second discs are arranged along the V-shaped arc groove symmetrically along the central plane of the V-shaped arc groove in the length direction, and the steel pipe is abutted against the two second discs respectively, and the minimum distance between the two second discs is smaller than the maximum distance between the two ends of the V-shaped arc groove.

By adopting the technical scheme, the possibility that the two ends of the steel pipe bend towards the direction far away from the V-shaped arc groove can be reduced when the steel pipe is pressed by the first disc and the second disc.

The present invention may be further configured in a preferred embodiment as: the arc protrusion, the V-shaped arc groove, the first disc and the second disc are respectively provided with a semicircular groove along the circumferential direction.

By adopting the technical scheme, the surfaces of the semicircular grooves and the steel pipes are more attached, and the possibility of deviation of the steel pipes during steel pipe pressing is reduced.

The present invention may be further configured in a preferred embodiment as: the radius of the semicircular groove is 1 mm to 2 mm larger than that of the steel pipe.

By adopting the technical scheme, the radius of the semicircular groove is larger than that of the steel pipe, so that a deformation space can be provided when the steel pipe is deformed, and the possibility of cracks caused by internal and external compression of the steel pipe is reduced; the radius of the semicircular groove is too large, so that the steel pipe can possibly move in the semicircular groove to influence the bending effect, and the possibility of moving of the steel pipe can be reduced while the deformation of the steel pipe is ensured by 1-2 mm.

The present invention may be further configured in a preferred embodiment as: the depth of the semicircular groove is 1 mm to 3 mm smaller than the radius of the steel pipe.

Through adopting above-mentioned technical scheme, if the degree of depth of half slot is greater than half jin of steel pipe, then during the suppression steel pipe, the steel pipe lies in between two half slots completely, leads to unable crooked complete, if the degree of depth undersize of half slot, leads to the steel pipe to break away from the half slot when the suppression again easily, and the degree of depth when the half slot is than the steel pipe radius and is little 1 millimeter to 3 millimeters, and the steel pipe neither breaks away from the half slot easily, can bend completely again.

Another object of the utility model is to provide a hydraulic press has the above-mentioned mould for processing gate foot bridge handrail of mountable, is convenient for to steel pipe processing, saves cost's effect.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a hydraulic press, includes the frame, top-down is equipped with pneumatic cylinder, template and workstation in proper order in the frame, the pneumatic cylinder is fixed in the frame, the template with the piston rod fixed connection of pneumatic cylinder, workstation fixed connection in still include foretell processing gate mould for foot bridge handrail in the frame, go up the mould can dismantle connect on the diapire of template, the bed die can dismantle connect in on the workstation.

By adopting the technical scheme, the steel pipes are placed on the two second discs, the piston rods of the hydraulic cylinders extend out, the upper die moves towards the lower die, the steel pipes are bent to form the arc parts, special equipment does not need to be purchased, and the production cost is reduced.

The present invention may be further configured in a preferred embodiment as: the top wall of the workbench and the bottom wall of the template are both provided with T-shaped grooves along the length direction of the template, and a plurality of T-shaped grooves are arrayed along the width direction of the template; connecting plates are respectively arranged at the opposite ends of the upper die and the lower die;

the connecting plate is equipped with two sets of fixing device relatively along its width direction's both ends, and every group fixing device follows the length direction array of connecting plate has a plurality ofly, fixing device includes clamp plate and T shape bolt, the head of T shape bolt slide in the T shape inslot, the kidney slot has been seted up along its length direction on the clamp plate, the kidney slot endotheca is located outside the screw thread portion of T shape bolt, the one end of clamp plate with the connecting plate is kept away from the template or the one end butt of workstation, the head of T shape bolt with T shape groove sliding connection, threaded connection has the locking head on the screw thread portion of T shape bolt, the locking head with the clamp plate is kept away from the one end butt of connecting plate.

By adopting the technical scheme, the head of the T-shaped bolt slides in the T-shaped groove, so that the pressure plate moves to a proper position, then one end of the pressure plate is abutted against the connecting plate, and then the locking head is rotated to lock the connecting plate; when the hydraulic press is disassembled, only the locking head needs to be loosened, the disassembly and the assembly are convenient, and the machining of other workpieces by the hydraulic press is not influenced.

The present invention may be further configured in a preferred embodiment as: the bottom wall of the template and the top wall of the workbench are respectively provided with an L-shaped positioning scale, and the L-shaped positioning scale is aligned with the two side surfaces of the connecting plate in the vertical direction.

Through adopting above-mentioned technical scheme, L shape location scale is convenient for go up mould and bed die location, promotes the installation effectiveness of going up mould and bed die.

To sum up, the utility model discloses a following at least one useful technological effect:

1. through the arrangement of the upper die, the lower die and the first disc, the effect of saving the production cost can be achieved by only adopting general equipment or a method with pressing capacity without adopting special equipment;

2. the second disc and the semicircular groove are arranged, so that the bending effect can be improved, and the possible effect that the steel pipe slides out of the space between the upper die base and the lower die base in the bending process is reduced;

3. through the setting of fixing device and L shape location scale, can play the effect of being convenient for install and remove mould and bed die.

Drawings

Fig. 1 is a schematic structural view of a handrail in the prior art.

Fig. 2 is a schematic structural view for embodying the whole in embodiment 1.

Fig. 3 is a schematic structural view for embodying the whole in embodiment 2.

Fig. 4 is a partially enlarged schematic view of a portion a in fig. 3.

Fig. 5 is a schematic structural view for embodying the fixing device in embodiment 2.

In the figure, 1, vertical rods, 11 and cross rods; 12. a circular arc portion; 2. an upper die; 21. a circular arc bulge; 22. a connecting plate; 3. a lower die; 31. a V-shaped arc groove; 311. a first disc; 312. a second disc; 313. a semicircular groove; 4. a frame; 41. a hydraulic cylinder; 411. a support; 42. a template; 43. a work table; 431. a T-shaped slot; 432. a fixing device; 4321. a T-bolt; 4322. a locking head; 4323. pressing a plate; 4324. a kidney-shaped groove; 4325. an inclined surface; 4326. a right-angle triangular block; 433. l-shaped positioning scales.

Detailed Description

The following detailed description is made with reference to the accompanying drawings.

Example 1:

referring to fig. 2, for the utility model discloses a processing gate mould for footbridge handrail, including last mould 2 and bed die 3, it has circular arc protrusion 21 to go up mould 2 towards 3 integrated into one piece of bed die, then has seted up V-arrangement circular arc groove 31 on the bed die 3, and the welding of bottom center department of V-arrangement circular arc groove 31 has first disc 311, and the welding has second disc 312 respectively at the both ends of V-arrangement circular arc groove 31. The two second circular disks 312 are symmetrically arranged along the central plane of the V-shaped arc groove 31 in the length direction, and the shortest distance between the two second circular disks 312 is smaller than the largest distance between the two ends of the V-shaped arc groove 31, so that the possibility of inclination toward the two sides of the lower mold 2 in the width direction when the steel pipe is bent can be reduced. One first disc 311 and two second discs 312 constitute a three-point support. The side walls of the arc protrusion 21, the V-shaped arc groove 31, the first disk 311 and the second disk 312 are respectively provided with a semicircular groove 313 along the circumferential direction thereof, the radius of the semicircular groove 313 is 1 mm to 2 mm larger than the radius of the steel pipe, and the radius of the semicircular groove is 1 mm. The depth of the semicircular groove 313 is 1 mm to 3 mm smaller than the radius of the steel pipe, and is 1 mm in this embodiment.

When the steel pipe is pressed, the steel pipe is placed in the semicircular grooves 313 of the two second disks 312, and then the arc protrusions 21 are pressed downwards, so that the steel pipe is gradually bent until the steel pipe is abutted to the semicircular grooves 313 of the first disks 311.

Example 2:

referring to fig. 3, for the utility model discloses a hydraulic press, including frame 4, top-down is equipped with pneumatic cylinder 41, template 42 and workstation 43 in proper order in frame 4, and pneumatic cylinder 41 passes through support 411 fixed connection in frame 4, and the roof of template 42 and the piston rod fixed connection of pneumatic cylinder 41, workstation 43 fixed connection are in frame 4, and workstation 43 is used for placing the work piece, and template 42 then carries out the pressfitting motion under the drive of pneumatic cylinder 41. The gate mould for the pedestrian bridge handrail is characterized by further comprising the gate mould for the pedestrian bridge handrail, connecting plates 22 are respectively welded at the opposite ends of the upper mould 2 and the lower mould 3, and the connecting plates 22 are fixedly connected with the template 42 or the workbench 43 through fixing devices 432.

Referring to fig. 4 and 5, L-shaped positioning scales 433 are respectively marked on the bottom wall of the mold plate 42 and the top wall of the workbench 43, and the L-shaped positioning scales 433 are arranged at one end of the connecting plate 22 along the length direction thereof for positioning the upper mold 2 and the lower mold 3, so that the possibility of position non-correspondence between the upper mold 2 and the lower mold 3 is reduced. The top wall of the table 43 is provided with T-shaped grooves 431 along the length direction of the die plate 42, and the T-shaped grooves 431 are arrayed in plural along the width direction of the die plate 42. The fixing devices 432 are arrayed in a plurality of groups along the length direction of the connecting plate 22, and each group of fixing devices 432 is oppositely arranged along the width direction of the connecting plate 22. The fixing device 432 comprises a pressing plate 4323 and a T-shaped bolt 4321, one end of the pressing plate 4323 abuts against the connecting plate 22, a waist-shaped groove 4324 is formed in the pressing plate 4323 along the length direction of the pressing plate 4323, the head of the T-shaped bolt 4321 is slidably connected in the T-shaped groove 431 and is matched with the T-shaped groove 431, and the threaded portion of the T-shaped bolt 4321 penetrates through the T-shaped groove 431 and penetrates through the waist-shaped groove 4324. The T-bolt 4321 is threaded through the kidney-shaped slot 4324 to connect with a locking head 4322, and the locking head 4322 is screwed to press the pressing plate 4323 downwards by the locking head 4322, so as to fix the connecting plate 22 and further fix the lower mold 3.

In order to improve the fixing firmness of the connecting plate 22, one end of the pressing plate 4323, which is far away from the lower die 3, is provided with a right-angle triangular block 4326, the inclined surface of the right-angle triangular block 4326 is provided with wave teeth, one straight edge of the right-angle triangular block 4326 is abutted against the top wall of the working table 43, one end of the pressing plate 4323, which faces the right-angle triangular block 4326, is provided with an inclined surface 4325 matched with the inclined surface of the right-angle triangular block 4326, and the inclined surface 4325 is also provided with wave teeth for increasing the friction force between the inclined surface 4325 and the inclined surface of the right-.

When the lower mold 3 is installed, the connecting plate 22 is placed on the workbench 43, the two sides of the connecting plate 22 are aligned with the L-shaped positioning scales 433, the head of the T-shaped bolt 4321 slides into the T-shaped groove 431, the right-angled triangular block 4326 is placed on the workbench 43 at a proper position, the kidney-shaped groove 4324 of the pressing plate 4323 is sleeved on the thread portion of the T-shaped bolt 4321, the locking head 4322 is screwed up to lock the connecting plate 22, all the fixing devices 432 are installed in sequence, and the installation of the lower mold 3 is completed.

The fixing manner of the mold plate 42 and the upper mold 2 is the same as the fixing manner of the lower mold 3 and the worktable 43, and the description thereof is omitted.

The implementation process of the embodiment is as follows: firstly, the upper grinding tool and the lower mould 3 are respectively arranged on the workbench 43 and the template 42, then the steel pipe is placed in the semicircular grooves 313 of the two second discs 312, then the piston rod of the hydraulic cylinder 41 extends out, the template 42 is pressed downwards to drive the arc protrusions 21 to be pressed downwards, so that the steel pipe is gradually bent until the steel pipe is abutted against the semicircular grooves 313 of the first discs 311 to form the arc portions 12, and the bending of the steel pipe is completed.

When the upper mold or the lower mold 3 is installed, the connecting plate 22 is first placed on the workbench 43, the two sides of the connecting plate 22 are aligned with the L-shaped positioning scales 433, the head of the T-shaped bolt 4321 is then slid into the T-shaped groove 431, the right-angled triangle 4326 is then placed on the workbench 43 at a proper position, the kidney-shaped groove 4324 of the pressing plate 4323 is then sleeved on the thread portion of the T-shaped bolt 4321, the locking head 4322 is then screwed up to lock the connecting plate 22, and all the fixing devices 432 are sequentially installed, i.e., the upper mold 2 or the lower mold 3 is installed.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a processing gate mould for foot bridge handrail which characterized in that: including last mould (2) and bed die (3), go up mould (2) orientation bed die (3) are equipped with circular arc arch (21), be equipped with V-arrangement circular arc groove (31) of placing the steel pipe on bed die (3), when going up mould (2) and pushing down, the steel pipe with the bottom center department of V-arrangement circular arc groove (31) reaches bed die (3) are located the lateral wall butt of V-arrangement circular arc groove (31) both sides.

2. The mold for processing the gate pedestrian bridge handrail as claimed in claim 1, wherein: the bottom center department of V-arrangement circular arc groove (31) is equipped with first disc (311), the both ends of V-arrangement circular arc groove (31) all have second disc (312), two respectively second disc (312) are followed V-arrangement circular arc groove (31) sets up along its length direction's central plane symmetry, the steel pipe respectively with two second disc (312) butt, two minimum distance between second disc (312) is less than maximum distance between V-arrangement circular arc groove (31) both ends.

3. The mold for processing the gate pedestrian bridge handrail as claimed in claim 2, wherein: the arc protrusion (21), the V-shaped arc groove (31), the first disc (311) and the second disc (312) are respectively provided with a semi-circular groove (313) along the circumferential direction.

4. The mold for processing the gate pedestrian bridge handrail as claimed in claim 3, wherein: the radius of the semicircular groove (313) is 1-2 mm larger than that of the steel pipe.

5. The mold for processing the gate pedestrian bridge handrail as claimed in claim 3, wherein: the depth of the semicircular groove (313) is 1 mm to 3 mm smaller than the radius of the steel pipe.

6. The utility model provides a hydraulic press, includes frame (4), top-down is equipped with pneumatic cylinder (41), template (42) and workstation (43) in proper order in frame (4), pneumatic cylinder (41) are fixed in on frame (4), template (42) with the piston rod fixed connection of pneumatic cylinder (41), workstation (43) fixed connection in on frame (4), its characterized in that: the mould for processing the gate pedestrian bridge handrail as claimed in any one of claims 1 to 5, wherein the upper mould (2) is detachably connected to the bottom wall of the template (42), and the lower mould (3) is detachably connected to the workbench (43).

7. The hydraulic machine of claim 6, wherein: the top wall of the workbench (43) and the bottom wall of the template (42) are both provided with T-shaped grooves (431) along the length direction of the template (42), and a plurality of T-shaped grooves (431) are arrayed along the width direction of the template (42); connecting plates (22) are respectively arranged at the opposite ends of the upper die (2) and the lower die (3);

the two ends of the connecting plate (22) in the width direction are oppositely provided with two groups of fixing devices (432), each group of fixing devices (432) is arrayed in a plurality along the length direction of the connecting plate (22), each group of fixing devices (432) comprises a pressing plate (4323) and a T-shaped bolt (4321), the head of each T-shaped bolt (4321) slides in the T-shaped groove (431), a waist-shaped groove (4324) is formed in the pressing plate (4323) along the length direction of the pressing plate, the waist-shaped groove (4324) is internally sleeved outside the thread part of each T-shaped bolt (4321), one end of each pressing plate (4323) is correspondingly abutted to one end, far away from the template (42) or the workbench (43), of the connecting plate (22), the head of each T-shaped bolt (4321) is in sliding connection with the T-shaped groove (431) and is matched with the T-shaped groove (431), and the thread part of each T-shaped bolt (4321) is in connection with a locking head (4322), the locking head (4322) is abutted against one end, far away from the connecting plate (22), of the pressing plate (4323).

8. The hydraulic machine of claim 7, wherein: the bottom wall of the template (42) and the top wall of the workbench (43) are respectively provided with an L-shaped positioning scale (433), and the L-shaped positioning scale (433) is aligned with two side surfaces of the connecting plate (22) in the vertical direction.