Special equipment based on U-shaped bolt bending

Abstract

The utility model relates to the technical field of bending machines, in particular to special equipment based on U-shaped bolt bending, which not only realizes automatic feeding and positioning and improves the working efficiency, but also adopts electromagnetic induction to heat bars, adopts a quartz rod slide way in a heating mechanism, not only meets the requirements of non-magnetic conduction and high temperature resistance, but also improves the working efficiency. The bending machine is simple in structure, has sufficient strength, achieves automatic continuous feeding, achieves continuous automatic production of single-piece sorting, conveying, heating and bending, and is small in product bending resilience and high in size precision. Comprising a lifting feeding mechanism; the bending machine further comprises a linear conveying mechanism, a heating mechanism and a bending mechanism, the linear conveying mechanism is installed on the lifting feeding mechanism and drives the bars to be conveyed forwards, the heating mechanism is installed on the lifting feeding mechanism and heats the bars, and the bending mechanism is installed on the lifting feeding mechanism and bends the bars.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of bending machine, in particular to a special equipment based on U type bolt bending. BACKGROUND

[0002] U type bolt, namely horse bolt, is non-standard part, is named because of U shape, two ends have thread and can be combined with nut cap, is mainly used in fixed tubular object such as water pipe or sheet object such as automobile leaf spring, because its fixed object mode is like person riding on horse, so it is called horse bolt.

[0003] The existing special equipment of U type bolt bending, for example, the utility model patent no. 202323607325.X discloses a kind of adjustable angle U type bolt bending machine, its main structure includes operation table, two groups of limiting rollers are horizontally distributed on operation table through spacing adjusting mechanism, still including a group of top roller and pushing mechanism, pushing mechanism can drive top roller to move horizontally along the horizontal line of the line between two groups of limiting rollers, the position below two groups of limiting rollers on operation table is provided with unloading groove, automatic feeding mechanism is arranged between pushing mechanism and two groups of limiting rollers;When using, according to the angle of bending and the width of U type bending, the spacing between two groups of limiting rollers is adjusted by spacing adjusting mechanism, then top roller is pushed by starting pushing mechanism, the lowermost one round bar workpiece on automatic feeding mechanism is pushed out between two groups of limiting rollers, and continues to push, so as to produce a certain angle U type bending, after bending, top roller is retracted by pushing mechanism.

[0004] However, most of the existing bending machine is normal temperature bending or electromagnetic induction heating bending, the product rebound is large after normal temperature bending, and the dimensional accuracy is relatively poor, the bearing structure of product needs to meet the characteristics of high temperature resistance and non-magnetic when electromagnetic induction heating, and the automatic transfer device is not easy to make, and most of the existing bending machine is manually fed, and the work efficiency is low. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the utility model provides not only realize automatic feeding and positioning, improve work efficiency, and adopt electromagnetic induction to heat bar material, adopt quartz rod slide in heating mechanism, meet non-magnetic, high temperature resistance requirements, have enough strength, realize automatic continuous feeding, realize single piece material selection, conveying, heating, bending continuous automatic production, product bending rebound is small, and the dimensional accuracy is high, a kind of special equipment based on U type bolt bending.

[0006] The utility model discloses a special equipment based on U type bolt bending, including lifting feeding mechanism, still including linear conveying mechanism, heating mechanism and bending mechanism, linear conveying mechanism installs on lifting feeding mechanism and drives bar material to convey to the front, heating mechanism installs on lifting feeding mechanism and carries out heating to bar material, and bending mechanism installs on lifting feeding mechanism and carries out bending to bar material, the bar material of stacking is placed in lifting feeding mechanism, and lifting feeding mechanism transports single bar material to track, and linear conveying mechanism pushes bar material to heating mechanism set position, and heating mechanism heats only bar material, and linear conveying mechanism continues to push bar material to bending mechanism set position after heating is completed, then linear conveying mechanism resets, and bending mechanism carries out bending to bar material, and pushes U type bolt after bending to the turnover box.

[0007] Preferably, the lifting feeding mechanism includes a shell, a feeding bin, a cylinder, a three-stage lifting mechanism, a single-piece material selecting device, a base, and two circular shafts. The bottom end of the shell is connected to the ground. The feeding bin is installed on the shell. The cylinder is installed on the shell. The three-stage lifting mechanism is installed in the feeding bin, and the bottom end of the three-stage lifting mechanism is connected to the top end of the cylinder. The single-piece material selecting device is installed on the shell. The base is installed on the shell. The two circular shafts are both installed on the base. The stacked bar materials are placed in the feeding bin. The cylinder is started to push the three-stage lifting mechanism upward. The three-stage lifting mechanism drives the single bar material to move upward. The single-piece material selecting device is set to ensure that only one bar material passes through each time. The bar material falls between the two circular shafts.

[0008] Preferably, the two circular shafts are composed of three sections. The two sections located on the base and the bending mechanism are made of steel. The section located on the heating mechanism is made of quartz glass material. The quartz glass rod does not conduct magnetism and does not heat when inductive heating. It not only meets the bearing requirements but also is wear-resistant and high-temperature-resistant. The remaining parts are made of high-quality steel, which has the advantages of impact resistance and large bearing capacity.

[0009] Preferably, the linear conveying mechanism includes a bracket, a linear module, a servo motor, a sliding block, a connecting piece, and a pushing rod. The bottom end of the bracket is connected to the ground. The linear module is installed between the bracket and the shell. The servo motor is installed on the linear module. The sliding block is slidingly installed on the linear module. The connecting piece is installed on the sliding block. The pushing rod is installed on the connecting piece. The servo motor is started to drive the sliding block to slide through the linear module. The sliding block drives the pushing rod to move through the connecting piece. The pushing rod pushes the bar material to slide between the two circular shafts, so that the bar material passes through the heating mechanism and the bending mechanism in turn. When the bar material reaches the set position of the bending mechanism, the servo motor drives the linear module in reverse to reset the sliding block, the connecting piece, and the pushing rod, completing a bending.

[0010] Preferably, the pushing rod top end is provided with a spring buffer mechanism. The spring is set on the top end of the pushing rod to avoid impact between the pushing rod and the bar material and to avoid overloading of the servo motor.

[0011] Preferably, the heating mechanism comprises a heating body and two groups of electromagnetic induction coils, the bottom end of the heating body is connected with the ground, and the two groups of electromagnetic induction coils are both mounted on the heating body and sleeved outside the two groups of round shafts; when the bar reaches the set position, the heating body is powered on to heat the bar through the two groups of electromagnetic induction coils, and the heating of the bar is stopped after the bar is heated to the set temperature (800-850 DEG C).

[0012] Preferably, the bending mechanism comprises a workbench, a female die, a positioning block, a first hydraulic cylinder, a male die, an upper unloading block, a second hydraulic cylinder and a horizontal unloading block, the bottom end of the workbench is connected with the ground, the female die is mounted on the workbench, the positioning block is mounted on the workbench, the first hydraulic cylinder is mounted on the workbench, the top end of the male die is connected with the bottom end of the first hydraulic cylinder, the upper unloading block is mounted on the workbench, the second hydraulic cylinder is mounted on the workbench, and the horizontal unloading block is mounted on the second hydraulic cylinder; when the bar top reaches the positioning block, the first hydraulic cylinder is started, the first hydraulic cylinder pushes the male die downward, the male die cooperates with the female die to bend the bar, then the first hydraulic cylinder drives the male die to reset, the upper unloading block is arranged to avoid that the U-shaped bolt rises with the male die, then the second hydraulic cylinder pushes the horizontal unloading block, and the horizontal unloading block pushes the U-shaped bolt into the turnover box.

[0013] Compared with the prior art, the beneficial effects of the utility model are that: the stacked bars are all placed in the lifting feeding mechanism, the lifting feeding mechanism conveys single bars to the track, the linear conveying mechanism pushes the bars to the set position of the heating mechanism, the heating mechanism heats the bars, the linear conveying mechanism continues to push the bars to the set position of the bending mechanism after heating is completed, then the linear conveying mechanism resets, the bending mechanism bends the bars, and the bent U-shaped bolt is pushed to the turnover box. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the axial measurement structure schematic diagram of the utility model;

[0015] Figure 2 It is the axial measurement structure schematic diagram of the lifting feeding mechanism of the utility model;

[0016] Figure 3 It is the left view structure schematic diagram of the lifting feeding mechanism of the utility model;

[0017] Figure 4 It is the local enlarged axial measurement structure schematic diagram of the linear conveying mechanism and the heating mechanism of the utility model;

[0018] Figure 5 It is the axial measurement structure schematic diagram of the bending mechanism of the utility model;

[0019] Figure 6 It is the right view structure schematic diagram of the bending mechanism of the utility model.

[0020] Marked in the drawing: 01, lifting feeding mechanism; 11, machine shell; 12, feeding bin; 13, air cylinder; 14, three-stage lifting mechanism; 15, single-piece selecting device; 16, base; 17, round shaft; 02, linear conveying mechanism; 21, support; 22, linear module; 23, servo motor; 24, sliding block; 25, connecting piece; 26, pushing rod; 03, heating mechanism; 31, heating machine body; 32, electromagnetic induction coil; 04, bending mechanism; 41, workbench; 42, concave die; 43, positioning block; 44, first hydraulic cylinder; 45, convex die; 46, upper discharging block; 47, second hydraulic cylinder; 48, horizontal discharging block. DETAILED DESCRIPTION

[0021] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the related drawings. The present application can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive. EMBODIMENT

[0022] The utility model discloses a special equipment based on U type bolt bending, lift feeding mechanism 01, still include linear conveying mechanism 02, heating mechanism 03 and bending mechanism 04, linear conveying mechanism 02 installs on lift feeding mechanism 01 and drives bar material to convey forward, heating mechanism 03 installs on lift feeding mechanism 01 and heats to bar material, and bending mechanism 04 installs on lift feeding mechanism 01 and is bent to bar material, lift feeding mechanism 01 includes casing 11, charging bin 12, cylinder 13, three -level lifting mechanism 14, single piece material selecting device 15, base 16 and round axle 17, and the bottom of casing 11 is connected with ground, charging bin 12 installs on casing 11, cylinder 13 installs on casing 11, three -level lifting mechanism 14 installs in charging bin 12, and the bottom of three -level lifting mechanism 14 is connected with the top end of cylinder 13, single piece material selecting device 15 installs on casing 11, base 16 installs on casing 11, and two groups of round axle 17 all install on base 16, still include two groups of round axle 17 by three sections, and the two sections on base 16 and bending mechanism 04 are steel material, and the section on heating mechanism 03 is quartz glass material, linear conveying mechanism 02 includes support 21, linear module 22, servo motor 23, sliding block 24, connecting piece 25 and pusher 26, and the bottom of support 21 is connected with ground, and linear module 22 installs between support 21 and casing 11, and servo motor 23 installs on linear module 22, and sliding block 24 slidingly installs on linear module 22, and connecting piece 25 installs on sliding block 24, and pusher 26 installs on connecting piece 25, still include that spring buffer mechanism is installed at the top of pusher 26, heating mechanism 03 includes heating machine body 31 and two groups of electromagnetic induction coil 32, and the bottom of heating machine body 31 is connected with ground, and two groups of electromagnetic induction coil 32 all install on heating machine body 31 and are covered outside two groups of round axle 17.In its work, first, the stacked bar material is placed in the loading bin 12, start the cylinder 13, the cylinder 13 upwardly pushes the three-stage lifting mechanism 14, the three-stage lifting mechanism 14 drives the single piece of bar material to move upwardly, through the single piece of material selecting device 15 is arranged to ensure that only one bar material is allowed to pass each time, the bar material falls between the two groups of round shafts 17, start the servo motor 23, the servo motor 23 drives the sliding block 24 to slide through the linear module 22, the sliding block 24 drives the pushing rod 26 to move through the connecting piece 25, through the spring is arranged at the top of the pushing rod 26, the impact between the pushing rod 26 and the bar material is avoided, and the servo motor 23 is overloaded, the pushing rod 26 pushes the bar material to slide between the two groups of round shafts 17, when the bar material reaches the heating mechanism 03 set position, the heating machine body 31 is powered on to heat the bar material through the two groups of electromagnetic induction coils 32, the bar material is heated to the set temperature (800~850℃), and then the heating is stopped, the pushing rod 26 continues to push the bar material to move forwardly, when the bar material reaches the bending mechanism 04 set position, the bending mechanism 04 is bent, the servo motor 23 reversely drives the linear module 22, so that the sliding block 24 drives the connecting piece 25 and the pushing rod 26 to reset, and one bending is completed. Embodiment

[0023] As Figures 1 to 6As shown, the special equipment based on U-shaped bolt bending of the utility model, on the basis of embodiment 1;Bending mechanism 04 includes workbench 41, female die 42, positioning block 43, first hydraulic cylinder 44, male die 45, upper unloading block 46, second hydraulic cylinder 47 and horizontal unloading block 48, the bottom end of workbench 41 is connected with ground, female die 42 is installed on workbench 41, positioning block 43 is installed on workbench 41, first hydraulic cylinder 44 is installed on workbench 41, the top end of male die 45 is connected with the bottom end of first hydraulic cylinder 44, upper unloading block 46 is installed on workbench 41, second hydraulic cylinder 47 is installed on workbench 41, horizontal unloading block 48 is installed on second hydraulic cylinder 47;When it works, first, the stacked bar materials are placed in the feeding bin 12, start the air cylinder 13, the air cylinder 13 pushes up the three-stage lifting mechanism 14, the three-stage lifting mechanism 14 drives the single-piece bar material to move upwards, the single-piece material selecting device 15 is arranged to ensure that only one bar material is allowed to pass each time, the bar material falls between the two groups of circular shafts 17, the servo motor 23 is started, the servo motor 23 drives the sliding block 24 to slide through the linear module 22, the sliding block 24 drives the pushing rod 26 to move through the connecting piece 25, the spring is arranged at the top end of the pushing rod 26, to avoid impact between the pushing rod 26 and the bar material, and to avoid overloading of the servo motor 23, the pushing rod 26 pushes the bar material to slide between the two groups of circular shafts 17, when the bar material reaches the set position of the heating mechanism 03, the heating machine body 31 is powered on to heat the bar material through the two groups of electromagnetic induction coils 32, stops heating after the bar material is heated to the set temperature (800~850℃), the pushing rod 26 continues to push the bar material to move forward, stops when the bar material reaches the positioning block 43, starts the first hydraulic cylinder 44, the first hydraulic cylinder 44 pushes down the male die 45, the male die 45 cooperates with the female die 42 to bend the bar material, then the first hydraulic cylinder 44 drives the male die 45 to reset, the upper unloading block 46 is arranged to avoid the U-shaped bolt rising with the male die 45, then the second hydraulic cylinder 47 pushes the horizontal unloading block 48, the horizontal unloading block 48 pushes the U-shaped bolt into the turnover box, the servo motor 23 reversely drives the linear module 22, so that the sliding block 24 drives the connecting piece 25 and the pushing rod 26 to reset, to complete a bending.

[0024] The above only is the preferred implementation of the utility model, it should be pointed out, for ordinary technical personnel in the prior art, without departing from the technical principle of the utility model, can make a number of improvements and variations, these improvements and variations also should be considered as the protection scope of the utility model.

Claims

1. A special device based on U-bolt bending, comprising a lifting feeding mechanism (01); characterized in that, It also includes a linear conveying mechanism (02), a heating mechanism (03) and a bending mechanism (04), the linear conveying mechanism (02) is installed on the lifting feeding mechanism (01) and drives the bar forward, the heating mechanism (03) is installed on the lifting feeding mechanism (01) and heats the bar, and the bending mechanism (04) is installed on the lifting feeding mechanism (01) and bends the bar.

2. A special apparatus based on U-bolt bending according to claim 1, characterized in that, The lifting feeding mechanism (01) comprises a machine shell (11), a feeding bin (12), an air cylinder (13), a three-stage lifting mechanism (14), a single-piece material selecting device (15), a base (16) and a circular shaft (17), the bottom end of the machine shell (11) is connected with the ground, the feeding bin (12) is installed on the machine shell (11), the air cylinder (13) is installed on the machine shell (11), the three-stage lifting mechanism (14) is installed in the feeding bin (12), and the bottom end of the three-stage lifting mechanism (14) is connected with the top end of the air cylinder (13), the single-piece material selecting device (15) is installed on the machine shell (11), the base (16) is installed on the machine shell (11), and the two groups of circular shafts (17) are both installed on the base (16).

3. A special apparatus based on U-bolt bending according to claim 2, characterized in that, The two groups of circular shafts (17) are composed of three sections, two sections located on the base (16) and the bending mechanism (04) are made of steel, and one section located on the heating mechanism (03) is made of quartz glass.

4. A special apparatus based on U-bolt bending according to claim 2, characterized in that, The linear conveying mechanism (02) comprises a support (21), a linear module (22), a servo motor (23), a sliding block (24), a connecting piece (25) and a pushing rod (26), the bottom end of the support (21) is connected with the ground, the linear module (22) is installed between the support (21) and the machine shell (11), the servo motor (23) is installed on the linear module (22), the sliding block (24) is slidingly installed on the linear module (22), the connecting piece (25) is installed on the sliding block (24), and the pushing rod (26) is installed on the connecting piece (25).

5. A special apparatus based on U-bolt bending according to claim 4, characterized in that, The pushing rod (26) is provided with a spring buffer mechanism at the top end.

6. A special apparatus based on U-bolt bending according to claim 2, characterized in that, The heating mechanism (03) comprises a heating machine body (31) and two groups of electromagnetic induction coils (32), the bottom end of the heating machine body (31) is connected with the ground, and the two groups of electromagnetic induction coils (32) are both installed on the heating machine body (31) and are sleeved outside the two groups of circular shafts (17).

7. A special apparatus based on U-bolt bending according to claim 1, characterized in that, The bending mechanism (04) comprises a workbench (41), a concave die (42), a positioning block (43), a first hydraulic cylinder (44), a convex die (45), an upper discharging block (46), a second hydraulic cylinder (47) and a horizontal discharging block (48), the bottom end of the workbench (41) is connected with the ground, the concave die (42) is installed on the workbench (41), the positioning block (43) is installed on the workbench (41), the first hydraulic cylinder (44) is installed on the workbench (41), the top end of the convex die (45) is connected with the bottom end of the first hydraulic cylinder (44), the upper discharging block (46) is installed on the workbench (41), the second hydraulic cylinder (47) is installed on the workbench (41), and the horizontal discharging block (48) is installed on the second hydraulic cylinder (47).

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