Automatic blanking structure for safety helmets

Abstract

The invention discloses an automatic safety helmet discharging structure, and relates to the technical field of safety helmet discharging structures, the automatic safety helmet discharging structure comprises a helmet taking mechanism, and the helmet taking mechanism comprises a helmet fixing assembly used for grabbing a helmet body and a vertical linear motor used for enabling the helmet fixing assembly and the helmet body to be away from an injection molding machine; the cap fixing assembly is arranged at the moving end of the vertical linear motor. The transfer mechanism comprises a transverse linear motor and a guide moving assembly used for enabling the transverse linear motor to move in the horizontal direction; the vertical linear motor is arranged at the moving end of the transverse linear motor, and the transverse linear motor is arranged on one side of the injection molding machine through the guide moving assembly. And the shearing mechanism is arranged on the guiding and moving assembly and used for shearing the protruding part in the cap body. According to the automatic cap taking and conveying device, caps can be automatically taken and conveyed, protruding parts in the caps can be automatically cut off, and the cap machining efficiency is improved.

Description

Technical Field

[0001] The present application relates to the technical field of helmet blanking structures, and in particular to an automatic helmet blanking structure. Background Art

[0002] Most of the helmets made of ABS plastic are thermoplastic, which has the characteristics of being light in texture and able to protect against external impacts, thereby protecting the human head.

[0003] In the actual production of safety helmets, the thermoplastic molding equipment can thermoplastically mold the cap body of the safety helmet; then, the operator grabs the cap body directly by hand or with the help of tools, cuts out the injection-molded protrusion inside the cap body, and then places the cap body on the conveyor belt. The conveyor belt can not only transport the cap body to the quality inspection area for quality inspection, but also allow the cap body to be further cooled during transportation.

[0004] However, the temperature inside the thermoplastic molding equipment is relatively high. The method in which operators manually remove the cap body from the thermoplastic molding equipment is not only inefficient and low in automation, but also poses the risk of operators being accidentally injured by the high temperature inside the thermoplastic molding equipment. In addition, operators also need to manually cut out the protruding parts inside the cap body formed by injection molding, which is more time-consuming and labor-intensive. Therefore, this method needs to be improved. Summary of the invention

[0005] Purpose of the invention: The present application provides an automatic unloading structure for a safety helmet, aiming to improve the technical problems of low efficiency in unloading and unloading of the helmet body from thermoplastic molding equipment, easy burns to the operator, and the need for the operator to manually cut out the protruding part inside the helmet body.

[0006] Technical solution: This application provides an automatic unloading structure for a helmet, including: A cap-removing mechanism is used to remove the cap body from the injection molding machine; the cap-removing mechanism includes a cap-fixing assembly for grabbing the cap body and a vertical linear motor for moving the cap-fixing assembly and the cap body away from the injection molding machine, and the cap-fixing assembly is arranged on the moving end of the vertical linear motor; a transport mechanism is used to move the vertical linear motor away from the injection molding machine; the transport mechanism includes a transverse linear motor and a guide assembly for moving the transverse linear motor in a horizontal direction; the vertical linear motor is arranged on the moving end of the transverse linear motor, and the transverse linear motor is arranged on one side of the injection molding machine through the guide assembly; a shearing mechanism is configured on the guide assembly and is used to shear off the protruding part in the cap body.

[0007] By adopting the above technical solution, the moving end of the vertical linear motor moves toward the injection molding machine and carries the fixed cap assembly into the inner cavity of the injection molding machine. The moving end of the transverse linear motor can make the fixed cap assembly close to the cap body and fixedly connected to the cap body. The transverse linear motor can also make the fixed cap assembly carry the fixed cap body away from the position where the cap body is produced in the injection molding machine. The moving end of the vertical linear motor moves in the vertical direction so that the fixed cap assembly carries the cap body to the top of the injection molding machine. The moving end of the transverse linear motor moves again so that the vertical linear motor, the fixed cap assembly and the cap body are moved together. It moves to one side of the injection molding machine, and finally, in the process of the moving end of the vertical linear motor moving toward the ground, the shearing mechanism can shear off the protruding part in the cap body, and then, after the cap fixing assembly releases the fixation of the cap body, the cap body is placed at the designated location; this process realizes the automated cap removal in the injection molding machine, as well as the automated transport of the cap body and the shearing off of the protruding part in the cap body, which effectively reduces the tedious manual operation and the risk of burns, and, by automated cap removal, transport, and shearing off of the protruding part on the cap body, the processing efficiency of the cap body is effectively guaranteed.

[0008] Furthermore, the fixed cap assembly includes a fixing plate arranged on the movable end of the vertical linear motor, a plurality of ventilation tubes distributed on the fixing plate, a covering suction cup arranged on the ventilation tube, and an air guide tube connected to the fixing plate and connected one by one with each of the ventilation tubes; all the air guide tubes are connected to a negative pressure suction machine at one end away from the fixing plate.

[0009] By adopting the above technical solution, the retaining plate stably supports the ventilation tube and the covering suction cup. After the covering suction cup is close to the cap body, the negative pressure suction machine sucks the air at the covering suction cup through the ventilation tube and the air guide tube, so that the covering suction cup can be tightly adsorbed on the cap body by negative pressure, thereby quickly and stably fixing the cap body and ensuring the position stability of the cap body during subsequent transportation.

[0010] Furthermore, the fixing cap assembly also includes a steering module for steering the fixing plate, and the steering module includes a commutation motor arranged on the moving end of the vertical linear motor and a connecting frame arranged on the output end of the commutation motor; the end of the connecting frame away from the commutation motor is connected to the fixing plate, and after the commutation motor rotates the output end, the fixing plate can be rotated to a horizontal state, or the fixing plate can be rotated to a vertical state.

[0011] By adopting the above technical solution, the connecting frame can stably install the retaining plate on the output end of the reversing motor, and the reversing motor can make the retaining plate vertical or horizontal through the forward and reverse output ends; when the retaining plate is in a vertical state, the negative pressure suction cup can approach and negatively absorb the cap body, and facilitate the subsequent transportation of the cap body; when the retaining plate is in a horizontal state, the negative pressure suction cup and the cap body face the ground, which facilitates the placement of the cap body and ensures that the cap body falls down quickly and stably.

[0012] Furthermore, the horizontal linear motor includes two groups of parallel derived linear motors and a connecting plate for connecting the two groups of derived linear motors; the moving ends of the two groups of derived linear motors can move synchronously, and the vertical linear motor is located between the two groups of derived linear motors and is simultaneously connected to the moving ends of the two groups of derived linear motors.

[0013] By adopting the above technical solution, the connecting plate is used to fix and connect the two parallel groups of derived linear motors, which helps to ensure the synchronous and stable movement of the moving ends of the two groups of derived linear motors; and after the connecting plate connects the two groups of derived linear motors into a whole, it is convenient to install the two groups of derived linear motors as a whole.

[0014] Furthermore, the guide assembly includes a support module and a pushing module arranged on the support module, the support module includes a plurality of support rods and a support plate arranged on all the support rods; the pushing module is configured on the support plate, the transverse linear motor is configured on the support plate, and can be moved along the extension direction of the support plate through the pushing module.

[0015] By adopting the above technical solution, the support rod is installed on the ground to stably support the support plate and the horizontal linear motor, the vertical linear motor, etc.; the pushing module is connected to the horizontal linear motor on the support plate and drives the horizontal linear motor to move, thereby ensuring the convenience of transportation of the cap body.

[0016] Furthermore, the pushing module includes an edge conducting motor, a connecting seat, a pushing screw and a movable square tube; the edge conducting motor and the connecting seat are relatively arranged on the support plate, and are respectively located at the two ends of the length direction of the support plate; the movable square tube is connected to the transverse linear motor, and the movable square tube is threadedly connected to the pushing screw; one end of the pushing screw is connected to the output end of the edge conducting motor, and the other end is arranged on the connecting seat.

[0017] By adopting the above technical solution, the edge conductive motor rotates the push screw in a clockwise or counterclockwise direction through the forward or reverse output end, thereby causing the movable square cylinder to carry the horizontal linear motor to move back and forth between the edge conductive motor and the connecting seat, so as to realize the automatic and fast movement of the cap body above the injection molding machine and outside the injection molding machine.

[0018] Furthermore, the shearing mechanism includes an adapter frame, an opening and closing motor and a clamping claw; the opening and closing motor is arranged on the support plate through the adapter frame, and the clamping claw is arranged on the output end of the opening and closing motor; the opening and closing motor can drive the clamping claw to open or close, and the clamping claw can clamp off the protruding part in the cap body when closed.

[0019] By adopting the above technical solution, the adapter frame is used for the installation of the opening and closing motor. When the opening and closing motor is in standby state, the clamping claws are in an open state. After the cap body is close to the clamping claws, the protruding part in the cap body can enter the clamping range of the clamping claws; the opening and closing motor can control the closing of the clamping claws, and the closed clamping claws can clamp off the protruding part in the cap body, so as to reduce the tediousness of the operator to manually clamp off the protruding part of the cap body.

[0020] Furthermore, the shearing mechanism also includes a locking assembly, which includes an end plate and a locking bolt; the end plate is arranged on the adapter frame, and the locking bolt is used to fix the end plate on the support plate.

[0021] By adopting the above technical solution, the end plate increases the contact area between the adapter frame and the support plate, and after the locking bolts fix the end plate and the support plate, the connection strength between the end plate and the support plate is guaranteed, thereby ensuring the connection strength of the adapter frame installed on the support plate.

[0022] In summary, this application has at least the following beneficial technical effects: The moving end of the vertical linear motor moves toward the injection molding machine and carries the fixed cap assembly into the inner cavity of the injection molding machine. The moving end of the horizontal linear motor can make the fixed cap assembly close to the cap body and fixedly connected to the cap body. The horizontal linear motor can also make the fixed cap assembly carry the fixed cap body away from the position where the cap body is produced in the injection molding machine. The moving end of the vertical linear motor moves in the vertical direction to make the fixed cap assembly carry the cap body to the top of the injection molding machine. The moving end of the horizontal linear motor moves again to make the vertical linear motor, the fixed cap assembly and the cap body move to the injection molding machine. On one side of the molding machine, finally, in the process of the moving end of the vertical linear motor moving toward the ground, the shearing mechanism can shear off the protruding part in the cap body, and then, after the cap fixing assembly releases the fixation of the cap body, the cap body is placed at the designated location; this process realizes the automatic removal of the cap in the injection molding machine, as well as the automatic transportation of the cap body and the shearing off of the protruding part in the cap body, which effectively reduces the tedious manual operation and the risk of burns, and effectively ensures the processing efficiency of the cap body through the automatic removal of the cap, transportation of the cap, and shearing off of the protruding part on the cap body. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a structural schematic diagram of an automatic unloading structure for a safety helmet in an embodiment of the present application; Figure 2It is a schematic diagram for showing the positional relationship between the cap removing mechanism and the transfer mechanism in the embodiment of the present application; Figure 3 is a schematic diagram for illustrating a cap removal mechanism in an embodiment of the present application; Figure 4 It is a schematic diagram used to demonstrate the shearing mechanism in the embodiment of the present application.

[0024] Description of reference numerals: 1. Injection molding machine; 2. Cap removal mechanism; 21. Cap fixing assembly; 211. Retention plate; 212. Ventilation pipe; 213. Covering suction cup; 214. Air guide pipe; 215. Negative pressure suction machine; 22. Vertical linear motor; 3. Transfer mechanism; 31. Horizontal linear motor; 311. Derivation linear motor; 312. Connecting plate; 32. Guide assembly; 4. Shearing mechanism; 41. Adapter frame; 42. Opening and closing motor; 43. Clamping claw; 44. Locking assembly; 441. End plate; 442. Locking bolt; 5. Steering module; 51. Reversing motor; 52. Connecting frame; 6. Support module; 61. Support rod; 62. Support plate; 7. Pushing module; 71. Edge conducting motor; 72. Connecting seat; 73. Pushing screw; 74. Movable square tube. DETAILED DESCRIPTION

[0025] The embodiment of the present application discloses an automatic unloading structure for a safety helmet.

[0026] The following is combined with Figure 1-4 This application is described in further detail.

[0027] Reference Figure 1 An automatic unloading structure for safety helmets includes an injection molding machine 1, a cap-taking mechanism 2, a transfer mechanism 3 and a shearing mechanism 4. The injection molding machine 1 can thermoplastically extrude polyethylene particles into plastic safety helmets, the cap-taking mechanism 2 automatically takes out the cap body in the injection molding machine 1 through the transfer mechanism 3, and then cuts off the protruding part in the cap body through the shearing mechanism 4, and finally, the transfer mechanism 3 sends the cap body to a conveyor belt, so that the cap body can enter the quality inspection area via the conveyor belt.

[0028] Reference Figure 2 The cap removal mechanism 2 includes a cap fixing assembly 21 and a vertical linear motor 22. The vertical linear motor 22 can deliver the cap fixing assembly 21 into the injection molding machine 1 to position the cap body produced by the injection molding machine 1, and then the vertical linear motor 22 can also take the cap fixing assembly 21 and the cap body out of the injection molding machine 1 together.

[0029] Reference Figure 3The fixed cap assembly 21 includes a fixing plate 211, a plurality of ventilation tubes 212, a plurality of groups of covering suction cups 213, an air guide tube 214 and a negative pressure suction machine 215. The fixing plate 211 can be a solid steel plate, and through holes are respectively provided on the side wall of the fixing plate 211 and at its four corners. In this embodiment, the air guide tube 214 can be a metal material, a steel tube used for air conduction and not easy to deform, and the number of air guide tubes 214 can be four, and one air guide tube 214 is connected to a through hole of the fixing plate 211. The ventilation tube 212 can be a flexible and easily deformable rubber tube, and the number of ventilation tubes 212 can be four, and one ventilation tube 212 is connected to a through hole of the fixing plate 211, and the ventilation tubes 212 and the air guide tubes 214 on both sides of the width direction of the fixing plate 211 correspond to each other.

[0030] Reference Figure 3 In this embodiment, the negative pressure suction machine 215 can be a vacuum machine with four suction ports. The negative pressure suction machine 215 is fixed to the fixing plate 211 by bolts. The ends of the four ventilation pipes 212 away from the fixing plate 211 are respectively connected to the four suction ports of the negative pressure suction machine 215. The covering suction cup 213 can be a trumpet-shaped suction cup. The number of the covering suction cups 213 can be four. The four covering suction cups 213 are connected to the ends of the air guide pipe 214 away from the fixing plate 211 in a one-to-one correspondence.

[0031] Reference Figure 3 After the retaining plate 211 is close to the cap body, the sticking suction cup 213 can be pressed against the side wall of the cap body after being pressed against the cap body. The negative pressure suction machine 215 sucks the air at the sticking suction cup 213 through the vent pipe 212 and the air guide pipe 214, so that the cap body can be firmly attached to the sticking suction cup 213. The operator only needs to move the retaining plate 211 to carry the cap body together.

[0032] Reference Figure 3 In order to stably install the fixing plate 211 on the vertical linear motor 22 and facilitate the adjustment of the position of the fixing plate 211, the fixing cap assembly 21 also includes a steering module 5, and the fixing plate 211 is installed on the moving end of the vertical linear motor 22 through the steering module 5. The steering module 5 includes a commutation motor 51 and a connecting frame 52, wherein the commutation motor 51 can be a servo motor, and the commutation motor 51 is vertically welded to one end of the moving end of the vertical linear motor 22 in the length direction, that is, the centerline axis of the commutation motor 51 is perpendicular to the moving direction of the moving end of the vertical linear motor 22.

[0033] Reference Figure 3The connecting frame 52 can be a V-shaped steel frame, one end of the connecting frame 52 is welded to the side wall of the output end of the commutation motor 51, and the other end of the connecting frame 52 is welded to the side wall of the fixing plate 211 away from the covering suction cup 213. In this embodiment, after the commutation motor 51 rotates the output end in a clockwise direction, the fixing plate 211 is in a vertical state, and the covering suction cup 213 faces away from the vertical linear motor 22, so as to abut against and absorb the cap body. After the commutation motor 51 rotates the output end in a counterclockwise direction, the fixing plate 211 is in a horizontal state, and the covering suction cup 213 faces the ground, so as to facilitate the covering suction cup 213 to drop the cap body.

[0034] Reference Figure 1 and Figure 2 The transfer mechanism 3 is used to ensure that the vertical linear motor 22 can be installed above the injection molding machine 1 in the vertical direction and can move freely, so as to keep the cap body away from the injection molding machine 1. The transfer mechanism 3 includes a horizontal linear motor 31 and a guide assembly 32, wherein the guide assembly 32 further includes a support module 6 and a push module 7.

[0035] Reference Figure 1 The support module 6 includes a plurality of support rods 61 and a support plate 62, wherein the support rods 61 can be steel square columns, the support rods 61 are vertically fixed to the ground by bolts, and all the support rods 61 are arranged in a row and are located at one end of the length direction of the injection molding machine 1. The support plate 62 can be a solid steel plate, which is welded to the top walls of all the support rods 61 in the horizontal direction, and the support plate 62 is located above the injection molding machine 1.

[0036] Reference Figure 1 The push module 7 includes an edge conductive motor 71, a connection seat 72, a push screw 73 and a movable square tube 74. In this embodiment, the connection seat 72 can be a bearing seat, and the edge conductive motor 71 can be a servo motor. The edge conductive motor 71 and the connection seat 72 are fixed to the top wall of the carrier plate 62 by bolts, and are respectively located at both ends of the length direction of the carrier plate 62. It should be noted that the injection molding machine 1 is located between the edge conductive motor 71 and the connection seat 72.

[0037] Reference Figure 1 The movable square tube 74 can be a rectangular block with an internal threaded channel. The movable square tube 74 is threadably adapted to the push screw 73 and is threadedly connected to the push screw 73. One end of the push screw 73 in the length direction is coaxially connected to the output end of the edge conductive motor 71 through a flange, and the other end of the push screw 73 in the length direction is installed on the connecting shaft. During the process of the edge conductive motor 71 rotating forward or reversely, the push screw 73 can rotate in a clockwise or counterclockwise direction, thereby enabling the movable square tube 74 to reciprocate along the length direction of the push screw 73, that is, the extension direction of the carrier plate 62.

[0038] Reference Figure 1 and Figure 2 , the horizontal linear motor 31 is fixed on the movable square tube 74, wherein the horizontal linear motor 31 includes two sets of parallel derivation linear motors 311 and two sets of connecting plates 312. In this embodiment, a gap is left between the two sets of derivation linear motors 311 and the moving ends of the two sets are close to each other. The two sets of connecting plates 312 are welded to the two ends of the length direction of the two sets of derivation linear motors 311, so that the two sets of linear motors are fixedly connected as a whole. At this time, the shape of the two sets of derivation linear motors 311 and the two sets of connecting plates 312 is in the shape of a square.

[0039] Reference Figure 1 and Figure 2 The connecting plate 312 near the movable square tube 74 is abutted against the side wall of the movable square tube 74 and welded and fixed, so that the two sets of derivation linear motors 311 are mounted above the injection molding machine 1, and the moving direction of the moving end of the derivation linear motor 311 is the same as the length direction of the injection molding machine 1. The vertical linear motor 22 extends in the vertical direction. After the injection molding machine 1 produces the cap body, the moving end of the vertical linear motor 22 moves toward the injection molding machine 1 and enters the inner cavity of the injection molding machine 1. The reversing motor 51 rotates the output end in the clockwise direction to make the retaining plate 211 in a vertical state. At this time, the covering suction cup 213 faces the cap body. The moving end of the horizontal linear motor 31 moves toward the support plate 62, so that the covering suction cup 213 abuts against the side wall of the cap body; then, the negative pressure suction machine 215 sucks the air at the covering suction cup 213 through the vent pipe 212 and the air guide pipe 214, so that the covering suction cup 213 tightly adsorbs the cap body with negative pressure. The moving end of the horizontal linear motor 31 moves in the direction away from the support plate 62, which can make the vertical linear motor 22 carry the cap body and detach from the cap mold used to form the cap body on the injection molding machine 1; the moving end of the vertical linear motor 22 moves in the direction away from the injection molding machine 1 until the moving end of the vertical linear motor 22 moves the cap body to the top of the injection molding machine 1. Then, the edge conductive motor 71 can rotate the output end forward, the push screw 73 rotates in the clockwise direction, and the movable square cylinder 74 carries the horizontal linear motor 31, the vertical linear motor 22 and the cap body to move along the length direction of the support plate 62 until the cap body is moved to one side of the injection molding machine 1. Finally, the reversing motor 51 rotates the output end in the counterclockwise direction to make the retaining plate 211 horizontal. At this time, the covering suction cup 213 and the cap body face the ground. The moving end of the vertical linear motor 22 can move a distance toward the ground to get close to the conveyor belt. The negative pressure suction machine 215 stops sucking gas, the covering suction cup 213 releases the cap body, and the cap body can fall on the conveyor belt and then be transported to the quality inspection area via the conveyor belt.

[0040] Reference Figure 1 and Figure 4, the shearing mechanism 4 is mounted on the carrier plate 62, and the shearing mechanism 4 includes an adapter frame 41, an opening and closing motor 42, a clamping claw 43 and a locking assembly 44. The adapter frame 41 is detachably mounted on the side wall of the carrier plate 62 through the locking assembly 44. It should be noted that the adapter frame 41 can be located above the conveyor belt, so that the shearing mechanism 4 can first cut off the protruding part in the cap body during the downward movement of the moving end of the vertical linear motor 22, and then directly put it on the conveyor belt.

[0041] Reference Figure 4 The locking assembly 44 includes an end plate 441 and a locking bolt 442, wherein the end plate 441 can be a rectangular steel plate. The adapter frame 41 can be an L-shaped steel frame, and the end plate 441 is welded to one end of the adapter frame 41 in the length direction in the horizontal direction, and the outer circumference of the end plate 441 is larger than the outer circumference of the end of the adapter frame 41 in the length direction.

[0042] Reference Figure 4 After the end plate 441 abuts against the side wall of the carrier plate 62, the locking bolt 442 passes through the end plate 441 and is threaded into the side wall of the carrier plate 62, thereby fixing the end plate and the carrier plate 62, and the adapter plate is fixed on the carrier plate 62.

[0043] Reference Figure 4 , the opening and closing motor 42 is fixed to the end of the adapter frame 41 away from the carrier plate 62 by bolts in the horizontal direction, and the clamping claw 43 is installed on the opening and closing motor 42 and is located at the end of the opening and closing motor 42 away from the adapter frame 41. After the moving end of the vertical linear motor 22 moves toward the ground, the cap body can stay at the clamping claw 43. At this time, the opening and closing motor 42 is in a standby state, and the clamping claw 43 is in an open state. Then, the moving end of the horizontal linear motor 31 moves toward the carrier plate 62, and the cap body approaches the clamping claw 43 and can make the protruding part of the cap body enter the clamping range of the clamping claw 43. The opening and closing motor 42 controls the clamping claw 43 to close to clamp off the protruding part in the cap body, and then, the moving end of the horizontal linear motor 31 moves in the direction away from the carrier plate 62, so that the vertical linear motor 22 carries the cap body away from the clamping claw 43. Finally, the moving end of the vertical linear motor 22 continues to move toward the ground until it approaches the conveyor belt to put the cap body.

[0044] The implementation principle of the automatic unloading structure of a safety helmet in an embodiment of the present application is: the moving end of the vertical linear motor 22 moves toward the injection molding machine 1 and enters the inner cavity of the injection molding machine 1, and the reversing motor 51 rotates the output end in a clockwise direction to make the retaining plate 211 in a vertical state. At this time, the covering suction cup 213 faces the helmet body.

[0045] The moving end of the horizontal linear motor 31 moves toward the carrier plate 62, so that the sticking suction cup 213 abuts against the side wall of the cap body; then, the negative pressure suction machine 215 sucks the air at the sticking suction cup 213 through the vent pipe 212 and the air guide pipe 214, so that the sticking suction cup 213 tightly sucks the cap body with negative pressure. The moving end of the horizontal linear motor 31 moves in a direction away from the carrier plate 62, so that the vertical linear motor 22 can carry the cap body and detach it from the cap mold used to form the cap body on the injection molding machine 1; The moving end of the vertical linear motor 22 moves in a direction away from the injection molding machine 1 until the moving end of the vertical linear motor 22 moves the cap body to the top of the injection molding machine 1. Then, the side electric motor 71 can rotate forward, the push screw 73 rotates in the clockwise direction, and the movable square cylinder 74 carries the horizontal linear motor 31, the vertical linear motor 22 and the cap body to move along the length direction of the carrier plate 62 until the cap body is moved to the side of the injection molding machine 1.

[0046] After the moving end of the vertical linear motor 22 moves toward the ground, the cap body can stay at the pinch claw 43. At this time, the opening and closing motor 42 is in a standby state, and the pinch claw 43 is in an open state. Next, the moving end of the horizontal linear motor 31 moves toward the carrier plate 62, and the cap body approaches the pinch claw 43 and can make the protruding part of the cap body enter the pinching range of the pinch claw 43. The opening and closing motor 42 controls the pinch claw 43 to close to pinch off the protruding part in the cap body, and then the moving end of the horizontal linear motor 31 moves in a direction away from the carrier plate 62, so that the vertical linear motor 22 carries the cap body away from the pinch claw 43.

[0047] Finally, the reversing motor 51 rotates the output end in the counterclockwise direction to make the retaining plate 211 horizontal. At this time, the covering suction cup 213 and the cap body face the ground. The moving end of the vertical linear motor 22 can move a distance toward the ground to get close to the conveyor belt. The negative pressure suction machine 215 stops sucking gas, the covering suction cup 213 releases the cap body, and the cap body can fall on the conveyor belt and then be transported to the quality inspection area via the conveyor belt.

[0048] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. An automatic unloading structure for a safety helmet, characterized in that: include: A cap removal mechanism (2) is used to remove the cap body from the injection molding machine (1); the cap removal mechanism (2) comprises a cap fixing component (21) for grabbing the cap body and a vertical linear motor (22) for moving the cap fixing component (21) and the cap body away from the injection molding machine (1); the cap fixing component (21) is arranged on the moving end of the vertical linear motor (22); A transfer mechanism (3) is used to move the vertical linear motor (22) away from the injection molding machine (1); the transfer mechanism (3) comprises a transverse linear motor (31) and a guide assembly (32) used to move the transverse linear motor (31) in a horizontal direction; the vertical linear motor (22) is arranged on the moving end of the transverse linear motor (31), and the transverse linear motor (31) is arranged on one side of the injection molding machine (1) through the guide assembly (32); The shearing mechanism (4) is arranged on the guide assembly (32) and is used for shearing off the protruding part in the cap body.

2. The automatic unloading structure for safety helmets according to claim 1 is characterized in that: The cap fixing assembly (21) comprises a fixing plate (211) arranged on the moving end of the vertical linear motor (22), a plurality of ventilation tubes (212) distributed on the fixing plate (211), a covering suction cup (213) arranged on the ventilation tube (212), and an air guide tube (214) connected to the fixing plate (211) and connected one by one with each of the ventilation tubes (212); one end of all the air guide tubes (214) away from the fixing plate (211) is commonly connected to a negative pressure suction machine (215).

3. The automatic unloading structure for safety helmets according to claim 2 is characterized in that: The fixed cap assembly (21) further comprises a steering module (5) for steering the fixing plate (211), the steering module (5) comprising a commutation motor (51) arranged on the moving end of the vertical linear motor (22) and a connecting frame (52) arranged on the output end of the commutation motor (51); one end of the connecting frame (52) away from the commutation motor (51) is connected to the fixing plate (211), and after the commutation motor (51) rotates the output end, the fixing plate (211) can be rotated to a horizontal state, or the fixing plate (211) can be rotated to a vertical state.

4. The automatic unloading structure for safety helmets according to claim 1 is characterized in that: The horizontal linear motor (31) comprises two groups of parallel derived linear motors (311) and a connecting plate (312) for connecting the two groups of derived linear motors (311); the moving ends of the two groups of derived linear motors (311) can move synchronously, and the vertical linear motor (22) is located between the two groups of derived linear motors (311) and is simultaneously connected to the moving ends of the two groups of derived linear motors (311).

5. The automatic unloading structure for safety helmets according to claim 1 is characterized in that: The guide assembly (32) comprises a support module (6) and a push module (7) arranged on the support module (6); the support module (6) comprises a plurality of support rods (61) and a support plate (62) arranged on all the support rods (61); the push module (7) is arranged on the support plate (62); the transverse linear motor (31) is arranged on the support plate (62) and can move along the extension direction of the support plate (62) through the push module (7).

6. The automatic unloading structure for safety helmets according to claim 5, characterized in that: The pushing module (7) comprises an edge conductive motor (71), a connecting seat (72), a pushing screw (73) and a movable square tube (74); the edge conductive motor (71) and the connecting seat (72) are arranged on the support plate (62) relative to each other and are respectively located at two ends of the length direction of the support plate (62); the movable square tube (74) is connected to the transverse linear motor (31), and the movable square tube (74) is threadedly connected to the pushing screw (73); one end of the pushing screw (73) is connected to the output end of the edge conductive motor (71), and the other end is arranged on the connecting seat (72).

7. The automatic unloading structure for safety helmets according to claim 6, characterized in that: The shearing mechanism (4) comprises an adapter frame (41), an opening and closing motor (42) and a pinching claw (43); the opening and closing motor (42) is arranged on the support plate (62) through the adapter frame (41), and the pinching claw (43) is arranged on the output end of the opening and closing motor (42); the opening and closing motor (42) can drive the pinching claw (43) to open or close, and the pinching claw (43) can pinch off a protruding portion in the cap body when closed.

8. The automatic unloading structure for safety helmets according to claim 7, characterized in that: The shearing mechanism (4) further comprises a locking assembly (44), wherein the locking assembly (44) comprises an end plate (441) and a locking bolt (442); the end plate (441) is arranged on the adapter frame (41), and the locking bolt (442) is used to fix the end plate (441) on the support plate (62).

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