CN217617077U - Steel strip bending machine - Google Patents

Abstract

The application relates to the field of corrugated pipe manufacturing, and particularly discloses a steel belt bending machine which comprises a shell, an extrusion mechanism and a driving mechanism; the extrusion mechanism is arranged in the shell, is set in a wheel groove mode and comprises a convex roller and a groove, the protruding part of the convex roller is matched with the groove, the steel belt passes through the contact surface of the convex roller and the fixed groove, and the convex roller extrudes the steel belt; the driving mechanism drives the convex roller to rotate. Has the advantages that: and (3) enabling the flat steel strip to pass through a gap between the convex roller and the groove of the extrusion mechanism, and enabling the steel strip to form a pointed wave crest through rolling extrusion of the convex roller.

Description

Steel strip bending machine

Technical Field

The invention relates to the field of corrugated pipe manufacturing, in particular to a steel strip bending machine.

Background

The corrugated pipe is widely applied to the industries of petrifaction, instruments, aerospace, chemical engineering, electric power, cement, metallurgy and the like, and comprises a protruding corrugated part; in some fields, the corrugated pipe is required to have higher strength, a steel-plastic corrugated pipe is usually manufactured in order to enhance the strength of the corrugated pipe, steel strips are added to a plastic layer of the corrugated pipe during steel-plastic corrugated pipe, and the steel strips need to be bent to form protruding V-shaped tips so as to enable the corrugated pipe to form protruding parts, and the ring stiffness of the corrugated pipe is enhanced.

The corrugated pipe with undulatory waves is made from the pipeline, the purpose is to improve the compressive strength of the pipeline and provide bending toughness, the application scene of the corrugated pipe is continuously enlarged due to the characteristic, but the strength of the corrugated pipe is further improved for some specific fields, such as petrochemical fields, aerospace fields and the like.

In order to enhance the strength of the corrugated pipe, the steel-plastic corrugated pipe is usually adopted at present, a steel belt is added into a plastic layer of the corrugated pipe, but the steel belt is injected into the plastic layer, so that the steel belt needs to be subjected to corrugating treatment, the steel belt needs to be wound into a corrugated shape, the steel belt not only needs to form a V-shaped concave surface, but also needs to form a connecting protruding edge at the edge of the concave surface, and in the process of forming the steel belt, the concave surface is extruded by a punching machine firstly, and then a subsequent edge correction mode is carried out, so that the accurate size correction cannot be carried out after two processes and the second process correction; in the prior art, the problems of low efficiency and low steel strip yield obviously exist.

Disclosure of Invention

The invention aims to provide a steel strip bending machine to solve the problem that the existing formed steel strip is not good in extrusion forming.

The basic scheme is as follows: the steel strip bending machine comprises a shell, an extrusion mechanism and a driving mechanism; the extrusion mechanism is arranged in the shell, the extrusion mechanism is arranged in a wheel groove mode, the sheave mode is provided with three groups, the first group of sheaves and the third group of sheaves are arranged in a convex roller and a groove, the groove is fixedly arranged, the concave shape of the groove is V-shaped, the second group of sheaves are arranged in a groove wheel and a convex roller, the convex roller is fixedly arranged, and a gap for a steel belt to pass through is reserved between the groove wheel and the convex roller; the height of the protruding part of the convex roller in the first group of grooved wheels of the third group of grooved wheels is gradually increased; the driving mechanism drives the convex roller to rotate.

Has the advantages that: pass the straight steel band between the gap of extrusion mechanism's protruding gyro wheel and recess, the smooth steel band of roll extrusion through protruding gyro wheel makes the steel band form the pointed recess of a V-arrangement, the sheave mode sets up three groups, first group race carries out preliminary extrusion to the steel band, second group race carries out the reprocess, third group's sheave extrudees the V-arrangement recess of steel band again, from third group's sheave to first group sheave, the protruding part of its protruding gyro wheel increases gradually, the extrusion to the recess of steel band deepens gradually, the extrusion efficiency is improved, the use punching machine extrusion many times has been avoided.

The first preferred scheme is as follows: as a further optimization of the basic solution, the drive mechanism uses gears, which are connected with a rotation shaft, which is splined with the male rollers. The rotating shaft passes through the convex roller or the groove wheel to drive the convex roller or the groove wheel to roll, and the passing part of the rotating shaft is connected by a spline to prevent the convex roller and the rotating shaft from sliding relatively.

The preferred scheme is three: as a further optimization of the second preferred scheme, a feeding adjusting mechanism is arranged on the shell, the feeding end of the shell inclines downwards, the feeding end is provided with two feeding carrier rollers, and the steel belt passes through the space between the two feeding carrier rollers. When the steel belt enters the conveying carrier roller, the steel belt is smoothed out, so that the steel belt is prevented from being twisted and entering the extrusion mechanism.

The preferable scheme is four: as a further optimization of the third preferred embodiment, the housing is provided with a delivery adjusting mechanism, the delivery adjusting mechanism is provided with an adjusting bracket, a delivery adjusting concave wheel and a delivery adjusting cam, the adjusting bracket is mounted on the housing, and the delivery adjusting mechanism bends the steel strip to form a radian and adjusts the curvature radius of the steel strip.

The preferable scheme is five: the second group of grooved wheels is connected with a driving gear, the first group of grooved wheels and the third group of grooved wheels are provided with driven gears, and the third group of grooved wheels, the second group of grooved wheels and the first group of grooved wheels incline from bottom to top in sequence to enable the driven gears to be meshed with the driving gear. The steel belt is convenient to be sent out from bottom to top by inclining from bottom to top, and a driven gear at the positions of the first group of grooved wheels and the third group of grooved wheels is convenient to be meshed with a driving gear at the position of the second group of grooved wheels.

The preferred scheme is six: as a further optimization of the fifth preferred scheme, the shell is provided with a bottom plate and two side panels, the two side panels are arranged and are propped open by a supporting rod, and the axis of the supporting rod is coaxial with the rotating shaft of the gear. The function of the stay bar is to spread the two side panels of the shell.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present invention;

FIG. 2 isbase:Sub>A sectional view taken along line A-A in FIG. 1.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a shell 10, a stay bar 11, a convex roller 21, a connecting shaft 210, a fixing groove 211, a side plate 214, a groove wheel 22, a rotating convex wheel 23, a driving gear 31, a driven gear 310, a rotating shaft 32, a feeding supporting roller 40, a feeding adjusting concave wheel 41, a feeding adjusting convex wheel 410, an adjusting bracket 43 and a steel belt 50.

Example 1:

the embodiment is basically as shown in the attached figures 1-2: a steel strip 50 bending machine comprises a housing 10, a pressing mechanism and a driving mechanism. The shell 10 is provided with a left side panel, a right side panel and a bottom plate, the top and the front and the back are in an open state, the two side panels are opened through support rods 11, and the support rods 11 are arranged at the top and the bottom; an inclined angle is arranged on the right side of the shell 10, so that the shape of the shell is a rectangular shape with one corner cut off, the inclined angle is consistent with the inclined angle of the extrusion mechanism, and the working condition of the extrusion mechanism can be conveniently observed and maintained.

The extrusion mechanism is provided with three groups of grooved wheels, the three groups of grooved wheels incline upwards from right to left, and the three groups of grooved wheels are respectively a first group of grooved wheels, a second group of grooved wheels and a third group of grooved wheels from top to bottom; the first group of grooved wheels and the third group of grooved wheels are matched by adopting the convex roller 21 and the groove, the protruding part of the convex roller 21 is clamped into the groove, but a gap is reserved between the protruding part of the convex roller 21 and the groove, so that the steel belt 50 can conveniently pass through the gap; the groove is set to a fixed mode, and the convex roller 21 is in spline connection with the rotating shaft 32 of the driven gear 310; the grooved wheels of the second group are set to be in a mode that the grooved wheels 22 are matched with the rotary protruding wheels 23, the grooved wheels 22 are in splined connection with the rotary shafts 32 of the driving gears 31, the rotary protruding wheels 23 are located above the grooved wheels 22 and are driven by the driving gears 31, the rotary protruding wheels 23 are similar to the convex roller wheels 21 in diameter and are different in diameter, the V-shaped protruding portions are different in height, the height of the protruding portions is sequentially that the first group is larger than the third group and larger than the second group, and therefore after the steel belt passes through the three groups of grooved wheels in sequence, the depth component of the V-shaped groove is deepened; a gap is arranged between the convex part of the rotary convex wheel 23 and the groove at the groove wheel 22 so as to facilitate the steel belt 50 to pass through; the left end and the right end of the driving gear 31 are meshed with the driven gears 310, the driving gear 31 rotates anticlockwise, and the two driven gears 310 rotate clockwise; the three groups of grooved wheels are inclined at a certain angle; the fixed mode groove is set to be a continuous arc, and the part below the groove wheel 22 of the second group of grooved wheels is also a groove which does not influence the normal work of the device; the continuous fixing groove 211 is fixed to the side panels of the case 10 by integrally formed side panels 214 provided left and right.

A feeding adjusting mechanism is arranged at the right end of the shell 10, the feeding adjusting mechanism is provided with two feeding carrier rollers 40, and the steel belt 50 passes through the space between the two feeding carrier rollers 40 and enters a third group of wheel grooves; the function of the feed idler 40 is to smooth out the steel strip 50 and prevent the steel strip 50 from twisting into the extrusion mechanism.

The shell 10 above the third wheel groove is provided with a sending-out adjusting mechanism, the sending-out adjusting mechanism is provided with an adjusting support 43, a sending-out adjusting convex wheel 410 and a sending-out adjusting concave wheel 41, the sending-out adjusting convex wheel 410 is installed above the sending-out adjusting concave wheel 41, a convex part of a cam is clamped into a concave part of the concave wheel and a gap is reserved to facilitate the steel belt 50 to penetrate out, the adjusting support 43 is installed on the shell 10, and the sending-out adjusting mechanism is used for bending the steel belt 50 sent out by the extrusion mechanism out to form a radian so as to adjust the curvature radius of the steel belt 50.

As shown in fig. 1, the left end and the right end of the convex roller 21 are provided with integrally formed connecting sections, the rotating shaft 32 penetrates through the connecting sections and the convex roller 21, the connecting sections are arranged to enable the convex roller 21 to rotate more stably, and no angle deflection occurs in the rotating process; the grooved wheel 22 is likewise provided with a coupling section at the axis of rotation 32 of the gear.

The specific implementation process is as follows:

the driving gear 31 arranged at the second group of grooved wheels is connected with the output shaft of the motor, the motor drives the driving gear 31 to rotate anticlockwise, and the driven gear 310 rotates clockwise; the steel belt 50 penetrates into the fixing groove 211 of the third grooved wheel between the gaps of the convex roller 21 from one end of the feeding carrier roller 40, penetrates out of the second grooved wheel, obliquely penetrates through the gap between the groove wheel 22 of the second grooved wheel and the rotating convex wheel 23 along the upper part, and the rotating convex wheel 23 is provided with two gaps which are convenient for pressing the steel belt 50 downwards into the first grooved wheel; after the steel belt 50 passes through the first sheave, the steel belt 50 enters the discharge adjustment mechanism, and the steel belt 50 is slowly discharged from the discharge adjustment mechanism by the rotation of the pressing mechanism, and the curvature of the steel belt 50 is made uniform by the discharge adjustment mechanism. The steel strip 50 after extrusion forms a concave "V" shaped tip, and the steel strip 50 with the "V" shaped tip can reinforce the strength of the corrugated pipe.

After the extrusion of the three groups of sheaves, the depth of the V-shaped groove of the steel strip is gradually deepened to meet the use standard.

Example 2:

embodiment 2 is different from embodiment 1 in the case where the grooved wheel 22 of the second sheave of the pressing mechanism in embodiment 1 is set in conformity with the convex roller 21 of the first and third sheaves, and the groove portion employs the fixing groove 211 continuing in the same segment; the driving mechanisms are all provided with three motors, the output shafts of the motors are respectively connected with three convex rollers 21, the rotating directions of the convex rollers 21 are consistent, and the convex rollers rotate clockwise; the steel band 50 passes through the gap between the male roller 21 and the fixing groove 211, and the protruding portion presses the steel band 50 to form a tip portion.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (7)

1. The steel strip bending machine is characterized in that: comprises a shell, an extrusion mechanism and a driving mechanism; the extrusion mechanism is arranged in the shell, the extrusion mechanism is set in a wheel groove mode, the grooved wheel mode is provided with three groups, the first group of grooved wheels and the third group of grooved wheels are provided with convex rollers and grooves, the grooves are fixedly arranged, the concave shapes of the grooves are V-shaped, the second group of grooved wheels are provided with groove wheels and convex rollers, the convex rollers are fixedly arranged, and gaps for steel belts to pass through are reserved between the groove wheels and the convex rollers; the driving mechanism drives the convex roller to rotate.

2. The steel strip bender according to claim 1, characterized in that: the driving mechanism uses a gear, the gear is connected with a rotating shaft, and the rotating shaft is connected with the convex roller through a spline.

3. The steel strip bender according to claim 2, characterized in that: the extrusion mechanism is provided with three groups of wheel grooves, the steel belt penetrates through the space between the groove wheel and the convex roller wheel, and the gear drives the groove wheel to convey the steel belt.

4. A steel strip bender as claimed in claim 3, wherein: the feeding adjusting mechanism is arranged on the shell, the feeding end of the shell inclines downwards, the feeding end is provided with two feeding carrier rollers, and the steel belt penetrates between the two feeding carrier rollers.

5. The steel strip bender according to claim 4, characterized in that: the shell is provided with a delivery adjusting mechanism, the delivery adjusting mechanism is provided with an adjusting bracket, a delivery adjusting concave wheel and a delivery adjusting cam, the adjusting bracket is arranged on the shell, and the delivery adjusting mechanism bends the steel strip to present radian and adjusts the curvature radius of the steel strip.

6. The steel strip bending machine according to claim 5, wherein: the second group of grooved wheels is connected with a driving gear, the first group of grooved wheels and the third group of grooved wheels are provided with driven gears, and the third group of grooved wheels, the second group of grooved wheels and the first group of grooved wheels incline from bottom to top in sequence to enable the driven gears to be meshed with the driving gear.

7. The steel strip bender according to claim 6, wherein: the casing is enclosed by bottom plate and two side board interconnect and closes and form, and the side board sets up to two, and two side boards are opened through the vaulting pole, and the axis of vaulting pole is coaxial with the axis of rotation of gear.

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