CN111530989A

CN111530989A - Iron plate bending device for boiler production

Info

Publication number: CN111530989A
Application number: CN202010281634.4A
Authority: CN
Inventors: 兰祥波
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2020-08-14

Abstract

The invention discloses an iron plate bending device for boiler production, relates to the technical field of boiler production, and solves the problems that the existing bending mode is complex in operation, low in production efficiency, high in labor intensity of workers and low in bending precision due to inaccurate positioning during bending; the left side of the bracket main body is fixedly connected with a group of hydraulic cylinders; a group of left dies is connected to the inner part of the left side of the bracket main body in a sliding manner; the middle part in front of the bracket main body is connected with a group of upper dies in a sliding manner; the front end surface of the flywheel is hinged with a group of connecting rods; the lower part of the connecting rod is hinged with the top of the upper die; the inner side of the bracket main body is axially connected with a group of intermediate transmission shafts and a group of intermediate gears. The device is simple to use, and convenient operation production can raise the efficiency greatly, carries out good location to iron plate simultaneously, has good bending precision and the effect of bending.

Description

Iron plate bending device for boiler production

Technical Field

The invention relates to the technical field of boiler production, in particular to an iron plate bending device for boiler production.

Background

In the production of a boiler, an iron plate needs to be bent into an omega shape, and the bending process of the iron plate is generally performed by manual bending or bending by a bending machine or the like.

For example, application No.: CN201610738621.9 the present invention relates to a bending die for bending machine and a bending machine. The bending die of the bending machine is provided with a plurality of curved surfaces for the workpiece to be tightly attached and bent, and each curved surface has different curvatures. The bending machine comprises a support and the bending die, the bending die is rotatably mounted on the support, the bending machine further comprises a bending die rotary driving mechanism mounted on the support, and the bending die rotary driving mechanism is connected with the bending die to drive the bending die to rotate. The bending die has the selection of various curved surfaces with different curvatures so as to realize the bending of workpieces with different curvatures, does not need to be replaced when different curved surfaces with different bending curvatures need to be selected, and adopts a simple structure so as to realize the purpose of improving the production efficiency. The bending machine provided by the invention has the advantages that the bending die is applied, the bending die can be rotated to the preset working positions through the bending die rotation driving mechanism, and each preset working position corresponds to one curved surface to perform bending work, so that the bending die can bend with various curvatures.

Based on the above, the existing bending mode is difficult to bend the iron plate at one time, the operation can be completed only by bending for many times, and meanwhile, the problems of complex operation, low production efficiency, high labor intensity of workers and low bending precision easily caused by inaccurate positioning in the bending process are solved; therefore, the existing requirements are not met, and an iron plate bending device for boiler production is provided for the iron plate bending device.

Disclosure of Invention

The invention aims to provide an iron plate bending device for boiler production, which solves the problems that the existing bending mode in the background technology is difficult to bend an iron plate at one time, the operation can be completed only by bending the iron plate for many times, the operation is complex in the bending process, the production efficiency is low, the labor intensity of workers is high, and the bending precision is not high easily caused by inaccurate positioning in the bending process.

In order to achieve the purpose, the invention provides the following technical scheme: an iron plate bending device for boiler production comprises a bracket main body; the left side of the bracket main body is fixedly connected with a group of hydraulic cylinders; a group of left dies is connected to the inner part of the left side of the bracket main body in a sliding manner; the left die is fixedly connected with a piston rod of the hydraulic cylinder; a group of right dies is connected to the inside of the right side of the bracket main body in a sliding manner; the top of the bracket main body is axially connected with a group of flywheels; the middle part in front of the bracket main body is connected with a group of upper dies in a sliding manner; the front end surface of the flywheel is hinged with a group of connecting rods; the lower part of the connecting rod is hinged with the top of the upper die; the inner side of the bracket main body is axially connected with a group of intermediate transmission shafts and a group of intermediate gears.

Preferably, the left side mould is still including the side form guide block, the left side mould with the top of right side mould all is provided with a set of the side form guide block, the left side mould with the right side mould all passes through the side form guide block with support main part sliding connection.

Preferably, the bracket main body further comprises the iron plate placing groove, a group of iron plate placing grooves is arranged on the lower portion of the front end face of the bracket main body, and the left die and the right die slide in the iron plate placing groove.

Preferably, the upper die further comprises an upper die sliding groove, a group of upper die sliding grooves are formed in the rear end face of the upper die, and the upper die is connected with the support main body in a sliding mode through the upper die sliding grooves.

Preferably, the upper die further comprises the upper die surface, the lower part of the upper die is provided with a group of upper die surfaces, the left die and the right die further comprise the side die surfaces, the inner sides of the left die and the right die are both provided with a group of side die surfaces, the bracket main body further comprises the lower die surface, and the middle part of the bracket main body is provided with a group of lower die surfaces.

Preferably, the left side mould is still including go up the mould drive rack, the rear upper portion of left side mould is provided with a set ofly go up the mould drive rack, the intermediate drive axle is still including driven gear, go up the mould drive rack with driven gear meshes and constitutes rack and pinion drive mechanism jointly, just upward can guarantee when going left to slide of mould drive rack the rotatory half-cycle of intermediate drive axle.

Preferably, the flywheel further comprises the driven pulley, the rear end face of the flywheel is coaxially and fixedly connected with a group of the driven pulleys, the intermediate transmission shaft further comprises the driving pulley, the front end face of the intermediate transmission shaft is coaxially and fixedly connected with a group of the driving pulley, and the driving pulley and the driven pulleys are in transmission connection through a synchronous transmission belt to jointly form a synchronous transmission belt transmission mechanism.

Preferably, the connecting rod is eccentrically hinged to the flywheel, and a crank-slider mechanism is formed among the flywheel, the connecting rod, the upper die and the bracket main body.

Preferably, the left die further comprises a right die driving rack, a group of right die driving racks is arranged behind the left die, and the right die driving racks and the middle gear are meshed to form a gear and rack transmission mechanism together.

Preferably, the right die further comprises the right die driven rack, a group of right die driven racks is arranged on the rear end face of the right die, the right die driven racks and the intermediate gear are meshed to form a gear rack transmission mechanism together, and in use, the intermediate gear drives the right die to slide leftwards through the gear rack transmission mechanism.

Compared with the prior art, the invention has the beneficial effects that:

the device has realized the action of bending respectively of going up mould and two moulds of left and right sides through the pneumatic cylinder, does not need extra control, accomplishes the shaping action of iron plate through one shot operation, uses easy operation, convenient operation, and the device carries out good location through the iron plate standing groove to iron plate simultaneously and guarantees the precision of bending and the effect of bending.

The device is simple to use, and convenient operation production can raise the efficiency greatly, carries out good location to iron plate simultaneously, has good bending precision and the effect of bending.

Drawings

FIG. 1 is a schematic side view of the present invention;

FIG. 2 is a schematic side view of the drive shaft of the present invention;

FIG. 3 is a schematic side view of the rear transmission shaft of the present invention;

FIG. 4 is a schematic side view of the flywheel drive shaft of the present invention;

FIG. 5 is a schematic axial side view of the slider-crank mechanism of the present invention;

FIG. 6 is a schematic axial view of the upper mold of the present invention;

FIG. 7 is a schematic side view of the right mold of the present invention;

FIG. 8 is a schematic axial side view of the stent body of the present invention;

in the figure: 1. a stent body; 101. an iron plate placing groove; 102. a lower die surface; 2. a hydraulic cylinder; 3. a left mold; 301. a side mold guide block; 302. the right die drives the rack; 303. the upper die drives the rack; 304. a side mold surface; 4. a right mold; 401. a right die driven rack; 5. an upper die; 501. an upper die chute; 502. feeding a die surface; 6. a flywheel; 601. a driven pulley; 7. a connecting rod; 8. an intermediate transmission shaft; 801. a driven gear; 802. a driving pulley; 9. an intermediate gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example 1

Referring to fig. 1 to 5 and 8, an embodiment of the present invention includes: an iron plate bending device for boiler production comprises a bracket main body 1; the support main body 1 further comprises an iron plate placing groove 101, the lower portion of the front end face of the support main body 1 is provided with a group of iron plate placing grooves 101, the left die 3 and the right die 4 slide in the iron plate placing grooves 101, in use, the left die 3 and the right die 4 are guided through the iron plate placing grooves 101, meanwhile, when in use, the iron plates are placed through the iron plate placing grooves 101, and the iron plates are well positioned; a group of hydraulic cylinders 2 are fixedly connected to the left side of the bracket main body 1; a group of left dies 3 is connected to the inner part of the left side of the bracket main body 1 in a sliding manner; a group of right molds 4 are connected inside the right side of the bracket main body 1 in a sliding manner; the left die 3 further comprises a side die guide block 301, a group of side die guide blocks 301 are arranged at the tops of the left die 3 and the right die 4, the left die 3 and the right die 4 are connected with the bracket main body 1 in a sliding mode through the side die guide blocks 301, and the left die 3 and the right die 4 are guided through the side die guide blocks 301 in use; the left die 3 further comprises an upper die driving rack 303, a group of upper die driving racks 303 are arranged on the upper portion of the rear portion of the left die 3, the middle transmission shaft 8 further comprises a driven gear 801, the upper die driving racks 303 and the driven gear 801 are meshed to form a gear-rack transmission mechanism, the middle transmission shaft 8 can be guaranteed to rotate for a half cycle when the upper die driving racks 303 slide leftwards, and the middle transmission shaft 8 is driven to rotate for a half cycle through the gear-rack transmission mechanism while the left die 3 slides leftwards in use; the left die 3 is fixedly connected with a piston rod of the hydraulic cylinder 2; the top of the bracket main body 1 is axially connected with a group of flywheels 6; the flywheel 6 further comprises a driven belt wheel 601, the rear end face of the flywheel 6 is coaxially and fixedly connected with a group of driven belt wheels 601, the intermediate transmission shaft 8 further comprises a driving belt wheel 802, the front end face of the intermediate transmission shaft 8 is coaxially and fixedly connected with a group of driving belt wheels 802, the driving belt wheels 802 and the driven belt wheels 601 are connected through synchronous belt transmission to form a synchronous belt transmission mechanism together, and in use, the intermediate transmission shaft 8 drives the flywheel 6 to rotate through the synchronous belt transmission mechanism.

Example 2

Referring to fig. 6 to 8 on the basis of embodiment 1, an embodiment of the present invention includes: an iron plate bending device for boiler production further comprises an upper die 5, wherein a group of upper dies 5 are connected to the middle part in front of a support main body 1 in a sliding mode; the upper die 5 comprises an upper die sliding groove 501, the rear end surface of the upper die 5 is provided with a group of upper die sliding grooves 501, the upper die 5 is connected with the bracket main body 1 in a sliding manner through the upper die sliding grooves 501, and the upper die 5 is guided through the upper die sliding grooves 501 in use; the front end surface of the flywheel 6 is hinged with a group of connecting rods 7; the connecting rod 7 is eccentrically hinged on the flywheel 6, the connecting rod 7, the upper die 5 and the bracket main body 1 jointly form a crank block mechanism, and the flywheel 6 drives the upper die 5 to slide up and down through the crank block mechanism in use to finish the bending action of the upper die 5; the lower part of the connecting rod 7 is hinged with the top of the upper die 5; the upper die 5 further comprises an upper die surface 502, the lower part of the upper die 5 is provided with a group of upper die surfaces 502, the left die 3 and the right die 4 further comprise side die surfaces 304, the inner sides of the left die 3 and the right die 4 are both provided with a group of side die surfaces 304, the bracket main body 1 further comprises a lower die surface 102, the middle part of the bracket main body 1 is provided with a group of lower die surfaces 102, and in use, the bending action of the iron plate is completed through the extrusion action of the lower die surfaces 102, the upper die surfaces 502 and the side die surfaces 304; the inner side of the bracket main body 1 is axially connected with a group of intermediate transmission shafts 8 and a group of intermediate gears 9.

Further, the left mold 3 further comprises a right mold driving rack 302, a group of right mold driving racks 302 is arranged behind the left mold 3, the right mold driving racks 302 and the intermediate gear 9 are meshed to form a gear-rack transmission mechanism, and when the left mold 3 slides to the right in use, the right mold driving racks 302 drive the intermediate gear 9 to rotate.

Further, the right mold 4 further comprises a right mold driven rack 401, a group of right mold driven racks 401 is arranged on the rear end face of the right mold 4, the right mold driven racks 401 and the intermediate gear 9 are meshed to form a gear and rack transmission mechanism together, and the intermediate gear 9 drives the right mold 4 to slide leftwards through the gear and rack transmission mechanism in use.

The working principle is as follows: during the use, place iron plate in iron plate standing groove 101 and fix a position iron plate, pneumatic cylinder 2 drive left mould 3 slides to the right, left side mould 3 drives the rotation of middle transmission shaft 8 through rack and pinion drive mechanism, middle transmission shaft 8 drives flywheel 6 through synchronous drive belt drive mechanism and rotates, flywheel 6 drives mould 5 through slider-crank mechanism and slides down, bend the bottom semicircle of steel sheet, pneumatic cylinder 2 continues to push left mould 3 to the right, it drives rack 303 and driven gear 801 separation to go up the mould, it does not move to go up mould 5, left side mould 3 drives intermediate gear 9 through rack and pinion drive mechanism and rotates, intermediate gear 9 drives right mould 4 through rack and pinion drive mechanism and slides to the left, the realization is bent the left and right sides of iron plate.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an iron plate bending device for boiler production which characterized in that: comprises a bracket main body (1); the left side of the bracket main body (1) is fixedly connected with a group of hydraulic cylinders (2); the left side of the bracket main body (1) is internally connected with a group of left molds (3) in a sliding manner; the left die (3) is fixedly connected with a piston rod of the hydraulic cylinder (2); the right side of the bracket main body (1) is internally connected with a group of right molds (4) in a sliding manner; the top of the bracket main body (1) is axially connected with a group of flywheels (6); the middle part in front of the bracket main body (1) is connected with a group of upper molds (5) in a sliding manner; the front end face of the flywheel (6) is hinged with a group of connecting rods (7); the lower part of the connecting rod (7) is hinged with the top of the upper die (5); the inner side of the bracket main body (1) is axially connected with a group of intermediate transmission shafts (8) and a group of intermediate gears (9).

2. The iron plate bending device for boiler production according to claim 1, characterized in that: left side mould (3) are still including side form guide block (301), left side mould (3) with the top of right side mould (4) all is provided with a set ofly side form guide block (301), left side mould (3) with right side mould (4) all pass through side form guide block (301) with support main part (1) sliding connection.

3. The iron plate bending device for boiler production according to claim 1, characterized in that: the support main body (1) further comprises the iron plate placing groove (101), a group of iron plate placing grooves (101) are formed in the lower portion of the front end face of the support main body (1), and the left die (3) and the right die (4) slide in the iron plate placing grooves (101).

4. The iron plate bending device for boiler production according to claim 1, characterized in that: go up mould (5) still including go up mould spout (501), the rear end face of going up mould (5) is provided with a set of go up mould spout (501), go up mould (5) through go up mould spout (501) with support main part (1) sliding connection.

5. The iron plate bending device for boiler production according to claim 1, characterized in that: the upper die (5) further comprises an upper die surface (502), the lower portion of the upper die (5) is provided with a group of upper die surfaces (502), the left die (3) and the right die (4) further comprise side die surfaces (304), the inner sides of the left die (3) and the right die (4) are provided with a group of side die surfaces (304), the support main body (1) further comprises a lower die surface (102), and the middle portion of the support main body (1) is provided with a group of lower die surfaces (102).

6. The iron plate bending device for boiler production according to claim 1, characterized in that: mould (3) still including go up mould drive rack (303), the rear upper portion of mould (3) on a left side is provided with a set of go up mould drive rack (303), intermediate drive axle (8) still including driven gear (801), go up mould drive rack (303) with driven gear (801) meshing constitutes rack and pinion drive mechanism jointly, just go up the time can guarantee of going left slip of mould drive rack (303) intermediate drive axle (8) rotation half week.

7. The iron plate bending device for boiler production according to claim 1, characterized in that: flywheel (6) are still including driven pulley (601), the coaxial fixedly connected with of rear end face of flywheel (6) is a set of driven pulley (601), intermediate drive shaft (8) are still including driving pulley (802), the coaxial fixedly connected with of preceding terminal surface of intermediate drive shaft (8) is a set of driving pulley (802), driving pulley (802) with connect through the synchronous belt transmission between driven pulley (601) and constitute synchronous belt drive mechanism jointly.

8. The iron plate bending device for boiler production according to claim 1, characterized in that: the connecting rod (7) is eccentrically hinged to the flywheel (6), and a crank slider mechanism is formed among the flywheel (6), the connecting rod (7), the upper die (5) and the support main body (1).

9. The iron plate bending device for boiler production according to claim 1, characterized in that: the left die (3) further comprises a right die driving rack (302), a group of right die driving racks (302) is arranged behind the left die (3), and the right die driving racks (302) and the middle gear (9) are meshed to form a gear-rack transmission mechanism together.

10. The iron plate bending device for boiler production according to claim 1, characterized in that: the right die (4) further comprises a right die driven rack (401), a group of right die driven racks (401) is arranged on the rear end face of the right die (4), the right die driven racks (401) and the intermediate gear (9) are meshed to form a gear and rack transmission mechanism together, and in use, the intermediate gear (9) drives the right die (4) to slide leftwards through the gear and rack transmission mechanism.