CN211679761U

CN211679761U - Hydraulic bending machine

Info

Publication number: CN211679761U
Application number: CN202020051074.9U
Authority: CN
Inventors: 皇巧珍; 程东阳; 苗小站; 张新峰; 郝军民; 郑铭辉; 张申平; 齐金博; 马彬峰
Original assignee: Henan Hongcheng Engineering Construction Co ltd
Current assignee: Henan Hongcheng Engineering Construction Co ltd
Priority date: 2020-01-10
Filing date: 2020-01-10
Publication date: 2020-10-16
Anticipated expiration: 2030-01-10

Abstract

The utility model relates to the technical field of construction machinery equipment, and discloses a hydraulic bending machine, which comprises a base, a support column, a support plate, a sliding plate, an upper die, a lower die and a blanking plate; the backup pad is fixed on the support column, be fixed with the pneumatic cylinder of bending in the backup pad, the pneumatic cylinder of bending is connected with the sliding plate, sliding plate and support column sliding fit, the lower surface of sliding plate is equipped with clamping mechanism, go up the lower surface of mould connection at the sliding plate, lower flitch slope sets up, be connected with head rod and second connecting rod on the flitch down, the both ends of head rod are connected respectively on two first connecting plates, two first connecting plates are fixed respectively on two support columns in the left side, the both ends of second connecting rod are connected respectively on two second connecting plates, the other end of two second connecting plates articulates respectively on the sliding plate. The utility model discloses an automatic unloading after the reinforcing bar is bent is collected, has saved labour and operating time, has improved the efficiency of bending and has eliminated the potential safety hazard.

Description

Hydraulic bending machine

Technical Field

The utility model relates to a construction machinery equipment technical field especially relates to a hydraulic bending machine.

Background

In the building industry, in order to improve the strength of a building, a steel bar is required to improve the tensile strength, so that the steel bar needs to be bent to obtain a certain bending degree to match a bending angle of the building in the construction process. The steel bar is bent generally by using a hydraulic bending machine, the working principle of the hydraulic bending machine is that the steel bar is placed between an upper die and a lower die, a bending groove is formed in the upper die according to the shape to be bent, a bending cavity is formed in the lower die, and a hydraulic cylinder drives the upper die to press the steel bar into the bending cavity of the lower die so that the steel bar is bent. After the existing hydraulic bending machine finishes bending, reinforcing steel bars need manual blanking and collection, time and labor are wasted, bending efficiency is affected, safety of operators cannot be guaranteed, and potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

In order to solve the prior technical problem, the utility model provides a hydraulic bending machine.

In order to achieve the above object, the utility model provides a following technical scheme: a hydraulic bending machine comprises a base, a supporting column, a supporting plate, a sliding plate, an upper die, a lower die and a blanking plate; the four support columns are vertically arranged and fixed on the base in a rectangular mode, the support plate is transversely fixed on the four support columns, the lower surface of the support plate is fixedly provided with a bending hydraulic cylinder, a piston rod of the bending hydraulic cylinder is connected with a sliding plate, the sliding plate is arranged below the support plate in parallel, the sliding plate is provided with a guide hole for the support columns to pass through, the sliding plate is in sliding fit with the support columns through the guide hole, the lower surface of the sliding plate is provided with a clamping mechanism, the upper die is connected to the lower surface of the sliding plate through a connecting rod, the cross section of the upper die is arc-shaped, the lower die is fixed on the base right below the upper die, the lower die is provided with a bending cavity, the blanking plate is obliquely arranged, the left end of the blanking plate is higher than the right end, the, be connected with head rod and second connecting rod on the flitch down, head rod and second connecting rod all run through the front and back side of flitch down, the left end of flitch is located down to the head rod, both ends rotate respectively and connect on two head rods around the head rod, two head rods transversely fix respectively on two support columns in the left side, the second connecting rod is located the right side of head rod, both ends rotate respectively and connect on two second connecting plates around the second connecting rod, the other end of two second connecting plates articulates respectively on the corresponding position of sliding plate, the right-hand member of flitch is located between mould and the lower mould down.

Preferably, the clamping mechanism comprises a threaded rod, a guide rod, two clamping blocks and a driving worm wheel, the threaded rod and the guide rod are arranged in parallel, the threaded rod and the guide rod are both connected to the lower surface of the sliding plate through the fixed block, the threaded rod is rotatably connected with the fixed block, the guide rod is fixedly connected with the fixed block, two ends of the threaded rod are respectively provided with two sections of external threads with opposite directions, a thread tooth is arranged on the threaded rod between the two sections of external threads, the clamping blocks are provided with an internal thread hole and a sliding hole, the internal thread holes of the two clamping blocks are respectively matched with the external threads at the two ends of the threaded rod, the two clamping blocks are symmetrically and slidably connected with the two ends of the threaded rod through the internal thread holes, the clamping blocks are in sliding fit with the guide rod through the sliding holes, the clamping blocks are provided with, the clamping motor is fixed on the sliding plate.

Preferably, all be equipped with first standing groove on the chamber wall around the chamber of bending of lower mould, both sides all are equipped with the upset mechanism of bending around the lower mould, the upset mechanism of bending includes fixing base, upset piece, upset pneumatic cylinder, the fixing base is fixed on the base of lower mould front side or rear side, be equipped with on the upper surface of upset piece and place the corresponding second standing groove in groove position with first, the one side that upset piece lower surface is close to the lower mould is through the round pin hub connection on the fixing base, upset pneumatic cylinder one end is articulated with the fixing base, and the other end is articulated with the upset piece.

Preferably, a collecting box is arranged on the right side of the lower die.

The utility model discloses simple structure, the practicality is strong, has realized that the automatic unloading after the reinforcing bar is bent is collected, has saved labour and operating time, has improved the efficiency of bending, has reduced the cost of labor that the reinforcing bar was bent to the potential safety hazard has been eliminated.

Drawings

FIG. 1 is a schematic structural view of example 1.

Fig. 2 is a side view of the upper mold of fig. 1.

Fig. 3 is a schematic view of the structure of the clamping mechanism in fig. 1 along the direction a-a.

Fig. 4 is a schematic side view of the reverse bending mechanism of fig. 1.

In the figure: the device comprises a base 1, a support column 2, a support plate 3, a sliding plate 4, an upper mold 5, a lower mold 6, a blanking plate 7, a bending hydraulic cylinder 8, a connecting rod 9, a bending arc-shaped groove 10, a bending cavity 11, a first connecting rod 12, a second connecting rod 13, a first connecting plate 14, a second connecting plate 15, a threaded rod 16, a guide rod 17, a clamping block 18, a driving worm wheel 19, a fixing block 20, a clamping arc-shaped groove 21, a clamping motor 22, a first placing groove 23, a fixing seat 24, a turnover block 25, a turnover hydraulic cylinder 26, a second placing groove 27, a pin shaft 28 and a collecting box 29.

Detailed Description

The embodiments of the present invention will be further explained with reference to the drawings.

Example 1

Referring to fig. 1-4, a hydraulic bending machine includes a base 1, a support column 2, a support plate 3, a sliding plate 4, an upper die 5, a lower die 6, and a blanking plate 7.

Four support columns 2 are arranged, the four support columns 2 are arranged in a rectangular shape and vertically fixed on the base 1,

the supporting plate 3 is transversely fixed on the four supporting columns 2, a bending hydraulic cylinder 8 is fixed on the lower surface of the supporting plate 3, a piston rod of the bending hydraulic cylinder 8 is connected with the sliding plate 4,

the sliding plate 4 is arranged below the supporting plate 3 in parallel, a guide hole (not shown in the figure) for the supporting column 2 to pass through is arranged on the sliding plate 4, the sliding plate 4 is in sliding fit with the supporting column 2 through the guide hole, and a clamping mechanism is arranged on the lower surface of the sliding plate 4.

The upper die 5 is connected to the lower surface of the sliding plate 4 through a connecting rod 9, the cross section of the upper die 5 is arc-shaped, the lower surface of the upper die 5 is provided with a bending arc-shaped groove 10,

the lower die 6 is fixed on the base 1 right below the upper die 5, the lower die 6 is provided with a bending cavity 11,

the blanking plate 7 is obliquely arranged, the left end of the blanking plate 7 is higher than the right end of the blanking plate, the blanking plate 7 is positioned between the two support columns 2 on the left side, the left end of the blanking plate 7 extends out of the support column 2 on the left side, the blanking plate 7 is connected with a first connecting rod 12 and a second connecting rod 13, the first connecting rod 12 and the second connecting rod 13 both penetrate through the front side and the rear side of the blanking plate 7, the left end of the blanking plate 7 is arranged at the first connecting rod 12, the front end and the rear end of the first connecting rod 12 are respectively rotatably connected to the two first connecting plates 14, the two first connecting plates 14 are respectively and transversely fixed on the two left supporting columns 2, the second connecting rod 13 is positioned on the right side of the first connecting rod 12, the front end and the rear end of the second connecting rod 13 are respectively rotatably connected to the two second connecting plates 15, the other ends of the two second connecting plates 15 are respectively hinged to corresponding positions of the sliding plate 4, and the right end of the blanking plate 7 is positioned between the upper die 5 and the lower.

The clamping mechanism comprises a threaded rod 16, a guide rod 17, two clamping blocks 18 and a driving worm wheel 19, the threaded rod 16 and the guide rod 17 are arranged in parallel, the threaded rod 16 and the guide rod 17 are both connected to the lower surface of the sliding plate 4 through a fixed block 20, the threaded rod 16 is rotatably connected with the fixed block 20, the guide rod 17 is fixedly connected with the fixed block 20, two sections of external threads with opposite directions are respectively arranged at two ends of the threaded rod 16, thread teeth are arranged on the threaded rod 16 between the two sections of external threads, an internal thread hole and a sliding hole (both shown in the figure) are arranged on each clamping block 18, the internal thread holes of the two clamping blocks 18 are respectively matched with the external threads at two ends of the threaded rod 16, the two clamping blocks 18 are symmetrically and slidably connected with two ends of the threaded rod 16 through the internal thread holes, the clamping blocks 18 are, the driving worm wheel 19 is engaged with the thread teeth on the threaded rod 16, the driving worm wheel 19 is rotatably connected to the lower surface of the sliding plate 4 and is connected with a clamping motor 22, and the clamping motor 22 is fixed on the sliding plate 4.

All be equipped with first standing groove 23 around the chamber wall around the chamber 11 of bending of lower mould 6, both sides all are equipped with the upset mechanism of bending around the lower mould 6, the upset mechanism of bending includes fixing base 24, upset piece 25, upset pneumatic cylinder 26, fixing base 24 is fixed on the base 1 of 6 front sides of lower mould or rear side, be equipped with on the upper surface of upset piece 25 with the corresponding second standing groove 27 in first standing groove 23 position, the upset piece 25 lower surface is close to one side of lower mould 6 and connects on fixing base 24 through round pin axle 28, upset pneumatic cylinder 26 one end is articulated with fixing base 24, and the other end is articulated with upset piece 25.

The right side of the lower die 6 is provided with a collecting box 29.

During the use, will wait that the reinforcing bar of bending is placed in first standing groove 23 of lower mould 6 and second standing groove 27 of upset piece 25, starts hydraulic cylinder 8 of bending, and the piston rod of hydraulic cylinder 8 of bending stretches out, drives sliding plate 4 and slides downwards along support column 2, until last mould 5 impresses the reinforcing bar in the chamber 11 of bending of lower mould 6. During the descending process of the sliding plate 4, one end of the second connecting plate 15 moves down with the sliding plate 4, and the other end pushes the blanking plate 7 to rotate clockwise around the first connecting rod 12, so that the blanking plate 7 moves out between the upper die 5 and the lower die 6 without blocking the upper die 5 from pressing into the lower die 6. The reinforcing steel bar is pressed into the bending arc-shaped groove 10 of the upper die 5 under the joint extrusion action of the upper die 5 and the lower die 6 to be bent, the reinforcing steel bar on the outer side portion of the bending cavity 11 is vertically erected upwards in the reinforcing steel bar bending process, after the bending is finished, the hydraulic cylinder drives the sliding plate 4 to move upwards, and meanwhile, the clamping blocks 18 of the clamping mechanism clamp the two erected sides of the reinforcing steel bar, so that the reinforcing steel bar moves upwards along with the sliding plate 4. In the upward movement process of the sliding plate 4, one end of the second connecting plate 15 moves upwards along with the sliding plate 4, the other end pulls the blanking plate 7 to rotate anticlockwise around the first connecting rod 12, when the sliding plate 4 returns to the initial position, the blanking plate 7 also returns to the initial position and is positioned between the upper die 5 and the lower die 6, at the moment, the clamping block 18 releases the reinforcing steel bars, the reinforcing steel bars fall on the blanking plate 7 under the action of gravity and slide downwards along the blanking plate 7 to fall into the collecting box 29, and the bending and automatic collecting and blanking of the reinforcing steel bars are completed.

The working principle of the clamping mechanism is as follows: when clamping is carried out, the clamping motor 22 is started, the clamping motor 22 drives the driving worm wheel 19 to rotate, so that the threaded rod 16 rotates, the two clamping blocks 18 move away from each other, and the reinforcing steel bar is clamped in the clamping arc-shaped grooves 21 of the clamping blocks 18. When the screw rod 16 is loosened, the screw rod is rotated reversely by the clamping motor 22.

The utility model discloses in still set up the upset mechanism of bending, can play the supplementary effect of bending when last mould 5, lower mould 6 are bent the reinforcing bar, concrete theory of operation is: the piston rod of the turning hydraulic cylinder 26 extends out, so that the turning block 25 turns 90 degrees around the pin shaft 28 towards the lower die 6, and the reinforcing steel bar parts on the two sides of the auxiliary bending cavity 11 stand upwards vertically, and the purposes of high bending speed and good bending effect are achieved.

The foregoing description of the embodiments of the invention has been presented for purposes of illustration and not limitation, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the illustrated embodiments.

Claims

1. A hydraulic bending machine, includes base, its characterized in that: the device also comprises a support column, a support plate, a sliding plate, an upper die, a lower die and a blanking plate; the four support columns are vertically arranged and fixed on the base in a rectangular mode, the support plate is transversely fixed on the four support columns, the lower surface of the support plate is fixedly provided with a bending hydraulic cylinder, a piston rod of the bending hydraulic cylinder is connected with a sliding plate, the sliding plate is arranged below the support plate in parallel, the sliding plate is provided with a guide hole for the support columns to pass through, the sliding plate is in sliding fit with the support columns through the guide hole, the lower surface of the sliding plate is provided with a clamping mechanism, the upper die is connected to the lower surface of the sliding plate through a connecting rod, the cross section of the upper die is arc-shaped, the lower die is fixed on the base right below the upper die, the lower die is provided with a bending cavity, the blanking plate is obliquely arranged, the left end of the blanking plate is higher than the right end, the, be connected with head rod and second connecting rod on the flitch down, head rod and second connecting rod all run through the front and back side of flitch down, the left end of flitch is located down to the head rod, both ends rotate respectively and connect on two head rods around the head rod, two head rods transversely fix respectively on two support columns in the left side, the second connecting rod is located the right side of head rod, both ends rotate respectively and connect on two second connecting plates around the second connecting rod, the other end of two second connecting plates articulates respectively on the corresponding position of sliding plate, the right-hand member of flitch is located between mould and the lower mould down.

2. A hydraulic bending machine according to claim 1, wherein: the clamping mechanism comprises a threaded rod, a guide rod, two clamping blocks and a driving worm wheel, the threaded rod and the guide rod are arranged in parallel, the threaded rod and the guide rod are connected to the lower surface of the sliding plate through the fixed block, the threaded rod is rotatably connected with the fixed block, the guide rod is fixedly connected with the fixed block, two ends of the threaded rod are respectively provided with two sections of external threads with opposite directions, thread teeth are arranged on the threaded rod between the two sections of external threads, the clamping blocks are provided with internal thread holes and sliding holes, the internal thread holes of the two clamping blocks are respectively matched with the external threads at the two ends of the threaded rod, the two clamping blocks are symmetrically and slidably connected to the two ends of the threaded rod through the internal thread holes, the clamping blocks are in sliding fit with the guide rod through the sliding holes, the clamping blocks are provided with clamping arc, the clamping motor is fixed on the sliding plate.

3. A hydraulic bending machine according to claim 1, wherein: all be equipped with first standing groove around the chamber wall of bending of lower mould on the chamber, both sides all are equipped with the upset mechanism of bending around the lower mould, the upset mechanism of bending includes fixing base, upset piece, upset pneumatic cylinder, the fixing base is fixed on the base of lower mould front side or rear side, be equipped with on the upper surface of upset piece and place the corresponding second standing groove in groove position with first placing, the one side that upset piece lower surface is close to the lower mould is through the round pin hub connection on the fixing base, upset pneumatic cylinder one end is articulated with the fixing base, and the other end is articulated with the upset piece.

4. A hydraulic bending machine according to claim 1, wherein: and a collecting box is arranged on the right side of the lower die.