CN112339291A - U-shaped corner protector forming machine - Google Patents

Abstract

The invention discloses a U-shaped angle bead forming machine which comprises a positioning die, a cutter, a heating device, a bending device and a slitting device, wherein the cutter is arranged on the positioning die; the positioning die is provided with a material conveying channel which is transversely communicated and a cutter groove which is longitudinally communicated; the cutter is longitudinally movably arranged at the cutter groove so as to cut a cut in the middle of the strip; the heating device is arranged on one side of the cutter to heat the cutter, so that the cutter can cut the notch and simultaneously melt two opposite side surfaces of the notch; the bending device is arranged on the upper side of the front end of the positioning die to bend the front end of the strip material downwards, so that two sides of the notch are bonded; the slitting device is arranged on one side of the bending device so as to separate the formed corner protector from the strip material. The U-shaped angle bead forming machine has the advantages of high production efficiency, low cost and good quality.

Description

U-shaped corner protector forming machine

Technical Field

The invention relates to a U-shaped angle bead forming machine, in particular to a U-shaped angle bead forming machine which is high in production efficiency, low in cost and good in quality.

Background

In the production process, in order to protect expensive equipment and products, the corners of the equipment or the products are generally wrapped by wrap angles, and the wrap angles are made of pearl wool foaming materials, so that the equipment and the products are cushioned and prevented from being damaged in a transportation process. As shown in fig. 1, it is a wrap angle with U-shaped grooves, which is generally used for wrapping plate-shaped workpieces or devices. The prior art generally produces such a wrap angle by cutting out the two sides of the wrap angle, respectively, then applying glue or melting the two sides by heating, and finally bonding the two sides together. The three steps are performed separately and simultaneously with manual assistance by workers using different machine equipment. However, the production efficiency of the method is very low, the requirement of mass production cannot be met, the cost is high, the two sides cannot be aligned accurately, the splicing quality is poor, and the appearance is not attractive enough.

Disclosure of Invention

The invention aims to provide a U-shaped corner protector forming machine which is high in production efficiency, low in cost and good in quality.

In order to achieve the purpose, the U-shaped angle bead forming machine provided by the invention comprises a positioning die, a cutter, a heating device, a bending device and a slitting device; the positioning die is provided with a material conveying channel which is transversely communicated and a cutter groove which is longitudinally communicated; the cutter is longitudinally movably arranged at the cutter groove so as to cut a cut in the middle of the strip; the heating device is arranged on one side of the cutter to heat the cutter, so that the cutter can cut the notch and simultaneously melt two opposite side surfaces of the notch; the bending device is arranged on the upper side of the front end of the positioning die to bend the front end of the strip material downwards, so that two sides of the notch are bonded; the slitting device is arranged on one side of the bending device so as to separate the formed corner protector from the strip material.

Compared with the prior art, the strip material cutting device has the advantages that the transverse through material conveying channel and the longitudinal through cutter groove are arranged on the positioning die, the strip material is conveyed and limited by the material conveying channel, the cutter is longitudinally movably arranged at the cutter groove, and the cutter is simultaneously heated by the heating device, so that the material on two side surfaces of the notch is melted while the notch is cut on the strip material; therefore, the front end of the strip material is bent by the bending device, so that the two molten side surfaces can be bonded together. The whole process is carried out simultaneously with hot melting, the step of cutting the previous angle bead and the step of bending the next angle bead are also carried out simultaneously, and the whole production process is carried out continuously, so that the production time can be shortened by a shovel, the production efficiency is improved, and the production cost is reduced; and because the three steps of cutting, hot melting and bending are carried out under the positioning of the positioning die, the strip material is accurately positioned, the cut is few, and the bonding position is accurate, so that the corner protector is good in forming quality and attractive in appearance.

Preferably, a through hole is formed in the upper side of the front end of the positioning die, and a lower pressing head of the bending device can penetrate through the through hole to press the strip. Through setting up the through-hole, the device that bends can the strip still be in alright buckle it in the positioning die, can make the strip still receive like this at the beginning of buckling the spacing of positioning die to guarantee the accuracy of the direction of buckling, improve the quality of buckling.

Preferably, the cross sections of the cutter grooves and the cutter blades are in inverted V-shaped structures.

Preferably, the U-shaped corner protector forming machine further comprises a feeding device, and the feeding device feeds the strip material into the material conveying channel. Through setting up material feeding unit can make U type angle bead make-up machine realizes autoloading's purpose, and degree of automation is high, is favorable to improving production efficiency.

Specifically, the feeding device comprises a translation driving mechanism, a support, a first air cylinder and a positioning needle, the positioning needle is connected to an output end of the first air cylinder, the first air cylinder is arranged on the support and used for driving the positioning needle to be inserted into the strip, and the translation driving mechanism drives the support to move transversely. By utilizing the first air cylinder and the positioning needle, the positioning needle can be inserted into the strip to realize the purpose of grasping the strip, and then the translation driving mechanism is utilized to translate the strip, so that the strip can be repeatedly pushed to feed in a stepping mode, and further can cooperate with the cutter, the bending device and the slitting device to improve the production efficiency.

Specifically, the U-shaped angle bead forming machine further comprises a pressing roller group, and the pressing roller group is arranged on the feeding side of the feeding device to clamp and roll the strip material. The pressing roller group is utilized to vertically clamp the strip material, so that the strip material is in a suspension state when being fed and is accurately aligned with a material conveying channel of the positioning die, the friction resistance of the strip material is reduced, and the smoothness and the accuracy of feeding are improved.

Preferably, the U-shaped corner protector forming machine further comprises a cutter driving device, and the cutter driving device drives the cutter to move longitudinally. Can make the cutter automatic cutting like this, degree of automation is high, effectively improves production efficiency.

Preferably, the bending device comprises a second cylinder and a lower pressing head, the output end of the second cylinder is arranged in a downward telescopic manner, and the lower pressing head is connected to the output end of the second cylinder.

Preferably, the heating device comprises a heating plate, a heating element and a third cylinder, the heating element is arranged on the heating plate, the heating plate is arranged at the output end of the third cylinder, and the third cylinder drives the heating plate to be close to and contact with the cutter. The heating element is arranged on the heating plate, and the heating plate is arranged on the third cylinder, so that the third cylinder is used for pushing the heating plate to be in contact with or separated from the cutter, the cutter can be heated when the cutter is not cut, and the cutter is separated when the cutter is cut, so that the cutter is prevented from interfering with the cutter, and the heating and cutting of the cutter are guaranteed to be not influenced.

Preferably, the slitting device comprises a fourth cylinder and a slitting knife, the output end of the fourth cylinder is vertically and telescopically arranged, and the slitting knife is connected to the output end of the fourth cylinder so as to separate the corner protector from the strip material.

Preferably, the U-shaped corner protector forming machine further comprises a pressing mechanism, and the pressing mechanism is arranged on one side opposite to the slitting device so as to stabilize the corner protector during slitting. The pressing mechanism can provide a pressing force opposite to that of the cutting device, so that the stability of the corner protector is kept when the corner protector is cut, and the cutting quality is improved.

Preferably, a supporting body extending along the material conveying channel is further arranged inside the positioning die, and an accommodating space for accommodating the strip material is formed between the supporting body and the positioning die.

Drawings

Fig. 1 is a perspective view of a U-shaped corner protector molding machine of the present invention.

Fig. 2 is a plan view of the U-shaped corner protector molding machine of the present invention.

Fig. 3 is a side view of the U-shaped corner protector forming machine of the present invention with the frame removed.

Fig. 4 is a structural diagram of a positioning die and a carrier of the U-shaped corner protector forming machine of the present invention.

Fig. 5 is a structural view of a feeding device of the U-shaped corner protector forming machine of the present invention.

Fig. 6 is an exploded view of a feeding device of the U-shaped corner protector forming machine of the present invention.

Fig. 7 is a structural view of a cutter and a cutter driving device of the U-shaped corner protector forming machine of the present invention.

Fig. 8 is a structural view of a press bending apparatus of the U-shaped corner protector forming machine of the present invention.

FIG. 9 is a structural view of a cutter and a heating device of the U-shaped corner protector forming machine of the present invention.

Fig. 10 is a structural view of the slitting device and the pressing mechanism of the U-shaped corner protector forming machine of the present invention.

Detailed Description

In order to explain technical contents, structural features, and effects achieved by the present invention in detail, the following detailed description is given with reference to the embodiments and the accompanying drawings.

As shown in fig. 1 to 3, the U-shaped corner protector forming machine 100 of the present invention is suitable for forming a strip material 200 with a U-shaped groove, and includes a positioning die 1, a cutter 2, a cutter driving device 3, a heating device 4, a bending device 5, a slitting device 6, and a frame 7; the positioning die 1, the cutter 2, the cutter driving device 3, the heating device 4, the bending device 5 and the slitting device 6 are arranged on the rack 7. The number of the positioning dies 1 is multiple, and the positioning dies are arranged longitudinally; the cutter 2, the heating device 4, the bending device 5 and the cutting device 6 correspond to each positioning die 1, namely, the cutter 2, the heating device 4, the bending device 5 and the cutting device 6 can simultaneously operate all the positioning dies 1, so that the production efficiency is improved. Only a single positioning die 1 will be described below. The positioning die 1 is provided with a material conveying channel 11 which is transversely penetrated and a cutter groove 12 which is longitudinally penetrated; the cross section of positioning die 1 is the type of falling U, the cross section side of defeated material passageway 11 is the type of falling U, the cross section of sword groove 12 and cutter 2 all is the type of falling V structure, this application the apex angle of the type of falling V structure of sword groove 12 and cutter 2 is the right angle. The knife groove 12 is positioned at the lower side of the front end of the positioning die 1. The cutter 2 is longitudinally movably arranged at the cutter groove 12, so that a cut is cut in the middle of the strip material 200; the cutter driving device 3 drives the cutter 2 to longitudinally move, so that the cutter 2 can automatically cut, the automation degree is high, and the production efficiency is effectively improved. The heating device 4 is arranged on one side of the cutter 2 to transfer heat to the cutter 2 and heat the cutter 2, so that the cutter 2 cuts the notch and simultaneously two opposite side surfaces of the notch are fused; the bending device 5 is arranged on the upper side of the front end of the positioning die 1 to bend the front end of the strip material 200 downwards, so that two molten side surfaces of the notch are bonded; the slitting device 6 is arranged at one side of the bending device 5 to separate the formed corner protector 201 from the strip material 200. More specifically as follows:

referring to fig. 4, a through hole 13 is formed on the upper side of the front end of the positioning die 1, and the lower press head of the bending device 5 can penetrate through the through hole 13 to press the strip 200. Through setting up through-hole 13, device 5 that bends can be in the strip 200 still can be buckled in the positioning die 1, can make the strip 200 still receive the spacing of positioning die 1 when the beginning of buckling like this to guarantee the accuracy of the direction of buckling, improve the quality of buckling. The positioning die 1 is further provided with a supporting body 14 extending along the material conveying channel 11, and the supporting body 14 extends out of an input port of the material conveying channel 11. An accommodating space is formed between the supporting body 14 and the positioning die 1, and the strip material 200 is located in the accommodating space.

Referring to fig. 5 and 6, the U-shaped corner protector forming machine 100 further includes a feeding device 8, and the feeding device 8 can automatically feed the strip 200 into the feeding channel 11. Through setting up material feeding unit 8, can make U type angle bead make-up machine 100 realizes autoloading's purpose, and degree of automation is high, is favorable to improving production efficiency. Specifically, the feeding device 8 includes a translation driving mechanism 81, a bracket 82, a first air cylinder 83 and a positioning pin 84, the positioning pin 84 is connected to an output end of the first air cylinder 83, the first air cylinder 83 is disposed on the bracket 82 and is used for driving the positioning pin 84 to be inserted into the bar material 200, and the bracket 82 is disposed on the frame 7 in a transverse sliding manner. The translation driving mechanism 81 drives the bracket 82 to move transversely. By utilizing the first air cylinder 83 and the positioning needle 84, the positioning needle 84 can be inserted into the strip material 200 to realize the purpose of grasping the strip material 200, and then the translation driving mechanism 81 is utilized to translate the strip material, so that the strip material 200 can be repeatedly pushed to feed in a stepping mode, and further the strip material can be cooperatively operated with the cutter 2, the bending device 5 and the slitting device 6, and the production efficiency is improved.

Referring to fig. 3 and 4, the U-shaped corner protector forming machine 100 further includes a pressing roller set 9, and the pressing roller set 9 is disposed on the feeding side of the feeding device 8 to clamp and roll the strip 200. The pressing roller set 9 includes an upper pressing roller 91 and a lower roller 92, the upper pressing roller 91 is disposed above the supporting body 14, and the lower roller 92 is disposed at an end of the supporting body 14. The upper press roller 91 and the lower roller 92 roll the strip 200 together. The pressing roller wheel set 9 is utilized to vertically clamp the strip material 200, so that the strip material 200 is in a suspension state during feeding and is accurately aligned with the material conveying channel 11 of the positioning die 1, the friction resistance of the strip material 200 is reduced, and the feeding smoothness and accuracy are improved.

Referring to fig. 7, the cutting knife driving device 3 includes a cutting cylinder 31 and a sliding seat 32, a guide rail is longitudinally arranged on the frame 7, the sliding seat 32 is slidably arranged on the guide rail, the cutting knives 2 are longitudinally arranged on the guide rail, and an output end of the cutting cylinder 31 is connected to the sliding seat 32 to push the sliding seat 32 to longitudinally move, so that the cutting knives 2 can pass through the knife slot 12 from one side of the positioning die 1 and slide to the other side of the positioning die 1. The cutter 2 is provided with a heat conducting fin 21, and the heat conducting fin 21 can be in thermal contact with a heating plate 41 of the heating device 4.

Referring to fig. 8, the press bending apparatus 5 includes a second cylinder 51 and a lower press head 52, an output end of the second cylinder 51 is disposed in a downward telescopic manner, and the lower press head 52 is disposed in a longitudinal arrangement and connected to an output end of the second cylinder 51.

Referring to fig. 9, the heating device 4 includes a heating plate 41, a heating element 42 and a third cylinder 43, the heating element 42 is disposed on the heating plate 41, the heating plate 41 is disposed at an output end of the third cylinder 43, and the third cylinder 43 drives the heating plate 41 to approach and contact the cutter 2. By installing the heating element 42 on the heating plate 41 and installing the heating plate 41 on the third cylinder 43, the third cylinder 43 is utilized to push the heating plate 41 to contact with or separate from the heat conducting strip 21, so that the cutter 2 can be heated when the cutting is not performed, and the cutter 2 is separated when the cutting is performed, thereby avoiding the interference with the cutter 2 and ensuring that the heating and the cutting of the cutter 2 are not influenced by each other.

Referring to fig. 10, the slitting device 6 includes a fourth cylinder 61 and a slitting knife 62, an output end of the fourth cylinder 61 is vertically and telescopically arranged, and the slitting knife 62 is longitudinally arranged and connected to an output end of the fourth cylinder 61 to cut the corner protector 201 from the strip 200.

The U-shaped corner protector forming machine 100 further comprises a pressing mechanism 10, wherein the pressing mechanism 10 is arranged on one side opposite to the slitting device 6 so as to stabilize the corner protector 201 during slitting. The pressing mechanism 10 comprises a fifth cylinder 101 and a pressing piece 102, the pressing piece 102 is arranged longitudinally, and the output end of the fifth cylinder 101 is connected with the pressing mechanism 10 to provide a pressing force opposite to that of the cutting device 6, so that the stability of the corner protector 201 is kept when the corner protector 201 is cut, and the cutting quality is improved.

In summary, the operation of the U-shaped corner protector forming machine 100 of the present invention is described in detail as follows:

first, the strip 200 is aligned with the positioning die 1 and placed between the upper press roller 91 and the lower roller 92. Then, the translational driving mechanism 81 drives the bracket 82 to move, so that the positioning needle 84 approaches the strip material 200, and the first air cylinder 83 is activated to drive the positioning needle 84 to insert into the strip material 200. Then, the translation driving mechanism 81 drives the bracket 82 to move forward, so that the positioning needle 84 pulls the strip material 200 to be conveyed forward and enter the conveying channel 11. While feeding, the third cylinder 43 pushes the heating plate 41 to contact the heat conducting strip 21 of the cutter 2, the heating element 42 heats the heating plate 41, and heat is transferred from the heating plate 41 and the heat conducting strip 21 to the cutter 2 to heat the cutter 2.

When the front end of the strip 200 reaches the knife groove 12, the feeding device 8 stops feeding. The third cylinder 43 drives the heating plate 41 away from the heat-conducting fin 21. At this time, the cutting cylinder 31 is started and drives the sliding seat 32 to move longitudinally, so as to drive the cutter 2 to pass through the cutter groove 12 from one side of the positioning die 1 and slide to the other side of the positioning die 1, in this process, the strip material 200 on the cutter groove 12 is cut, the strip material 200 cuts an inverted V-shaped cut, and simultaneously, the heat on the cutter 2 heats the side surface of the cut to be in a molten state. And then the cutter 2 is reset, and the heating device 4 continues to heat the cutter 2.

Then, the second cylinder 51 is started to drive the lower pressing head 52 to move downwards, the lower pressing head 52 penetrates through the through hole 13 and presses against the strip material 200, so that the front end of the strip material 200 is bent downwards, and the bending line is located at the vertex of the inverted-V-shaped notch. After bending by 90 degrees, one side surface of the inverted V-shaped notch is contacted with the other side surface, and after cooling, the two sides of the notch can be bonded together to form the corner protector 201.

After the bonding is completed, the feeding device 8 is started again to drive the strip 200 to move forward by one step, wherein the step distance is equal to the length of one corner guard 201. Then, the fourth cylinder 61 and the fifth cylinder 101 are started simultaneously, the fifth cylinder 101 drives the pressing member 102 to ascend and abut against the lower side of the corner protector 201, and the fourth cylinder 61 drives the slitting knife 62 to move downwards to cut off the strip material 200, so that the corner protector 201 is separated from the strip material 200 to form a finished product.

Compared with the prior art, the positioning die 1 is provided with the material conveying channel 11 which is transversely penetrated and the cutter groove 12 which is longitudinally penetrated, so that the material strip 200 is conveyed and limited by the material conveying channel 11, the cutter 2 is longitudinally movably arranged at the cutter groove 12, and the heating device 4 is used for heating the cutter 2, so that the material on two side surfaces of the cut is melted while the cut is cut on the material strip 200; therefore, the front end of the strip 200 is bent by the bending device 5 to bond the two melted side surfaces together. The whole process is carried out simultaneously with hot melting, the step of cutting the previous angle bead 201 and the step of bending the next angle bead 201 are also carried out simultaneously, and the whole production process is carried out continuously, so that the production time can be shortened by a shovel, the production efficiency is improved, and the production cost is reduced; and because the three steps of cutting, hot melting and bending are carried out under the positioning of the positioning die 1, the strip material 200 is accurately positioned, the cut is few, and the bonding position is accurate, so that the forming quality of the corner protector 201 is good, and the product is attractive.

The above disclosure is only a preferred embodiment of the present invention, and certainly should not be taken as limiting the scope of the present invention, which is therefore intended to cover all equivalent changes and modifications within the scope of the present invention.

Claims (12)

1. The utility model provides a U type angle bead make-up machine which characterized in that: comprises a positioning die, a cutter, a heating device, a bending device and a slitting device; the positioning die is provided with a material conveying channel which is transversely communicated and a cutter groove which is longitudinally communicated; the cutter is longitudinally movably arranged at the cutter groove so as to cut a cut in the middle of the strip; the heating device is arranged on one side of the cutter to heat the cutter, so that the cutter can cut the notch and simultaneously melt two opposite side surfaces of the notch; the bending device is arranged on the upper side of the front end of the positioning die to bend the front end of the strip material downwards, so that two sides of the notch are bonded; the slitting device is arranged on one side of the bending device so as to separate the formed corner protector from the strip material.

2. The U-shaped corner protector molding machine as claimed in claim 1, wherein: the upper side of the front end of the positioning die is provided with a through hole, and a lower pressure head of the bending device can penetrate through the through hole to abut against the strip material.

3. The U-shaped corner protector molding machine as claimed in claim 1, wherein: the cross sections of the cutter grooves and the cutter blades are of inverted V-shaped structures.

4. The U-shaped corner protector molding machine as claimed in claim 1, wherein: the U-shaped corner protector forming machine further comprises a feeding device, and the feeding device feeds the strip material into the material conveying channel.

5. The U-shaped corner protector molding machine as claimed in claim 4, wherein: the feeding device comprises a translation driving mechanism, a support, a first air cylinder and a positioning needle, the positioning needle is connected to the output end of the first air cylinder, the first air cylinder is arranged on the support and used for driving the positioning needle to be inserted into the strip material, and the translation driving mechanism drives the support to move transversely.

6. The U-shaped corner protector molding machine as claimed in claim 4, wherein: the U-shaped corner protector forming machine further comprises a pressing roller group, and the pressing roller group is arranged on the feeding side of the feeding device to clamp and roll the strip material.

7. The U-shaped corner protector molding machine as claimed in claim 1, wherein: the U-shaped corner protector forming machine further comprises a cutter driving device, and the cutter driving device drives the cutter to move longitudinally.

8. The U-shaped corner protector molding machine as claimed in claim 1, wherein: the bending device comprises a second cylinder and a lower pressing head, the output end of the second cylinder is arranged in a downward telescopic mode, and the lower pressing head is connected to the output end of the second cylinder.

9. The U-shaped corner protector molding machine as claimed in claim 1, wherein: the heating device comprises a heating plate, a heating element and a third cylinder, the heating element is arranged on the heating plate, the heating plate is arranged at the output end of the third cylinder, and the third cylinder drives the heating plate to be close to and contact with the cutter.

10. The U-shaped corner protector molding machine as claimed in claim 1, wherein: the slitting device comprises a fourth cylinder and a slitting cutter, the output end of the fourth cylinder is vertically and telescopically arranged, and the slitting cutter is connected to the output end of the fourth cylinder so as to separate the angle bead from the strip material.

11. The U-shaped corner protector molding machine as claimed in claim 1, wherein: the U-shaped angle bead forming machine further comprises a pressing mechanism, wherein the pressing mechanism is arranged on one side opposite to the cutting device so as to stabilize the angle bead during cutting.

12. The U-shaped corner protector molding machine as claimed in claim 1, wherein: the inside of location mould still is equipped with along the supporting body that defeated material passageway extends, the supporting body with have between the location mould and hold the accommodation space of strip material.

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