CN112693066B

CN112693066B - Automatic injection molding device and working method thereof

Info

Publication number: CN112693066B
Application number: CN202011458243.1A
Authority: CN
Inventors: 郑亮; 邱陆陆
Original assignee: Jiangsu Teli Liang Coating Technology Co ltd
Current assignee: Jiangsu Teliliang New Material Technology Co ltd
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2023-01-17
Anticipated expiration: 2040-12-11
Also published as: CN112693066A

Abstract

The invention relates to an automatic injection molding device and a working method thereof; the method is characterized in that: the injection molding device comprises a stamping device for stamping parts, an inserting device for inserting a needle into the parts, an injection molding device for injection molding the parts, a clamping device for placing an insert into the injection molding device, a first moving device for placing the stamped parts into the inserting device, a second moving device for placing the parts after inserting the needle into the injection molding device and a third moving device for taking out the parts after injection molding; the first moving device is arranged between the stamping device and the inserting device; the second moving device is arranged between the inserting device and the injection molding device; the clamping device is arranged on one side of the injection molding device close to the second moving device; the third mobile device is arranged on one side of the injection molding device far away from the second mobile device. The problem of the artifical position degree that inserts the PIN needle that causes of current scheme can not guarantee the PIN needle, lead to product quality relatively poor and can't the accuracy put into the mold insert and lead to the mold insert to rock, produce moulding-die risk during the compound die is solved.

Description

Automatic injection molding device and working method thereof

Technical Field

The invention relates to an injection molding device, in particular to an automatic injection molding device and a working method thereof.

Background

Generally, for some electronic products, the processing steps are complicated. Some electronic products need to insert a PIN needle and insert the electronic products during injection molding. And such electronic products have high requirements on the quality of processing. Such electronic products are generally connectors. The market demands a large amount of electronic products such as connectors and has high quality requirements. The market has a situation of short supply and demand. The existing production method has more manual intervention, so that the production efficiency is lower, the production error is larger, and how to solve the problem becomes crucial.

According to the existing scheme, a PIN needle is manually inserted into a product, and an insert is manually placed into the electronic product during injection molding. Such a solution has the following problems: (1) The position degree of the PIN needle cannot be guaranteed by manually inserting the PIN needle, so that the product quality is poor; (2) The mold insert can not be accurately placed, so that the mold insert rocks, and a pressing die risk is generated during mold closing.

Disclosure of Invention

Aiming at the defects of the prior art, the invention discloses an automatic injection molding device and a working method thereof, and aims to solve the problems that in the prior art, the position degree of a PIN needle cannot be ensured by manually inserting the PIN needle, the product quality is poor, an insert cannot be accurately placed, the insert shakes, the die pressing risk is generated during die assembly, and the like.

The technical scheme adopted by the invention is as follows:

an automated injection molding apparatus;

the injection molding device comprises a stamping device for stamping parts, an inserting device for inserting a needle into the parts, an injection molding device for injection molding the parts, a clamping device for placing an insert into the injection molding device, a first moving device for placing the stamped parts into the inserting device, a second moving device for placing the parts after inserting the needle into the injection molding device and a third moving device for taking out the parts after injection molding; the first moving device is arranged between the punching device and the inserting device; the second moving device is arranged between the inserting device and the injection molding device; the clamping device is arranged on one side, close to the second moving device, of the injection molding device; the third moving device is arranged on one side, far away from the second moving device, of the injection molding device;

the second moving device comprises a first moving beam, a second moving beam movably arranged on the first moving beam, a third moving beam movably arranged on the second moving beam, a screw rod rotatably arranged on the first moving beam, a ninth power device driving the screw rod to rotate, a rack arranged on the second moving beam, a gear meshed with the rack, a tenth power device driving the gear to rotate, a second suction cup for sucking the part inserted with the needle, an eleventh power device driving the second suction cup to swing, a twelfth power device driving the second suction cup to be close to the part inserted with the needle and an adsorption bracket arranged at the drive end of the twelfth power device; the second sucker is arranged on the adsorption bracket in a swinging mode; the second movable beam is in threaded connection with the screw rod;

the injection molding device comprises an injection molding machine, a first die, a second die, an air pressure detection device communicated with the first die and an air charging device communicated with the second die; the first mold closing and the second mold closing are oppositely arranged in the injection molding machine; a placing hole for placing the insert is formed in the first die assembly; the placing hole is communicated with a first air suction source through a first connecting pipe; the detection end of the air pressure detection device is communicated with the first connecting pipe; the inflation device comprises a second connecting pipe and a control valve for opening and closing the second connecting pipe; the second connecting pipe is respectively communicated with a second air suction source and an air source; the control valve is arranged on the second connecting pipe.

The further technical scheme is as follows: the stamping device comprises a stamping head for stamping the part, a first power device for driving the stamping head to move, a stamping rack for placing the part, conveyors arranged at two sides of the stamping rack and a fourth moving device for taking and placing the part; the parts are placed on one side of the conveyor; the punched part is placed on the conveyor at the other side; the stamping head is arranged at the driving end of the first power device; the fourth moving device comprises a belt, a wheel frame, belt pulleys rotatably arranged on two sides of the wheel frame, a second power device for driving the belt pulleys to rotate, a third power device for lifting and moving the part and a fourth power device for horizontally moving the part; the belt is wound on the belt pulley; the belt pulley is arranged at the driving end of the second power device; the wheel carrier is arranged at the driving end of the third power device; the third power device is arranged at the driving end of the fourth power device.

The further technical scheme is as follows: the first moving device comprises a seventh power device, an eighth power device, an electric rotating disc, a first moving support arranged on the electric rotating disc, a second moving support arranged on the first moving support in a swinging mode, a third moving support arranged on the second moving support in a swinging mode, a first sucker for sucking parts and a fifth power device for driving the first sucker to move; the seventh power device drives the third moving support, the first sucker and the fifth power device to swing along the second moving support; the eighth power device drives the third movable support, the first sucker, the fifth power device, the second movable support and the seventh power device to swing along the first movable support.

The further technical scheme is as follows: the inserting device comprises a PIN inserting machine and a workbench for placing the punched parts; the workbench is provided with an imitated groove; the punched part is arranged in the profiling groove; a limit pin is arranged in the profiling groove; the limiting pin is arranged around the stamped part.

The further technical scheme is as follows: the clamping device comprises a mechanical arm, a first clamping mechanism for clamping the insert, a placing disc for placing the insert and a thirteenth power device for driving the placing disc to rotate; the first clamping mechanism is arranged at the driving end of the mechanical arm; the first clamping mechanism comprises a connecting piece, a fourteenth power device, a driving frame arranged at the driving end of the mechanical arm and a clamping piece for clamping the insert; the clamping piece is arranged on the driving frame in a relatively swinging mode; one end of the connecting piece is rotatably connected with the driving end of the fourteenth power device; the other end of the connecting piece is rotatably connected with one end of the clamping piece; the other end of the clamping piece clamps the insert.

The further technical scheme is as follows: the third moving device comprises a main frame, a second clamping mechanism for clamping the injection-molded part, a fifteenth power device for driving the second clamping mechanism to be close to the injection-molded part, and a sixteenth power device arranged on the main frame; the second clamping mechanism is arranged at the driving end of the fifteenth power device; and the sixteenth power device drives the fifteenth power device and the second clamping mechanism to swing.

When the automatic injection molding device works, the working method of the automatic injection molding device comprises the following steps:

a. placing a part on a conveyor on one side of a stamping rack, wherein the conveyor drives the part to be close to the stamping rack; a fourth moving device places the part on the punching stage; the first power device drives the stamping head to stamp the part; the fourth moving device drives the punched part to be close to the conveyor on the other side of the punching rack; the conveyer drives the punched part to be close to the first moving device;

b. the eighth power device drives the third movable support, the first sucker, the fifth power device, the second movable support and the seventh power device to swing along the first movable support; the seventh power device drives the third moving support, the first sucker and the fifth power device to swing along the second moving support; the fifth power device drives the first suction disc to be close to the punched part; the first sucking disc adsorbs the punched part; the electric turntable drives a seventh power device, an eighth power device, a first movable support, a second movable support, a third movable support, a first sucker, a fifth power device and the punched parts to rotate; the first sucking disc does not suck the punched part any more; the punched part is placed in an inserting device;

c. the punched part is placed in the profiling groove; limiting the movement of the stamped part by a limiting pin; inserting a PIN piece into the punched part by using a PIN inserting machine;

d. the second sucker adsorbs the parts inserted with the needle; the ninth power device drives the screw rod to rotate so as to drive the second movable beam, the third movable beam, the rack, the gear, the tenth power device, the second sucker, the eleventh power device, the twelfth power device, the adsorption bracket and the part inserted with the needle to be close to the inside of the injection molding device; the eleventh power device drives the second sucker and the part inserted with the needle to swing; the twelfth power device drives the adsorption bracket, the needle piece inserting rear part and the eleventh power device to move downwards; the tenth power device drives the gear to rotate, so as to drive the second sucker, the eleventh power device, the twelfth power device, the adsorption bracket and the parts inserted with the needle pieces to be placed in a second die; the second sucker stops sucking the parts after the needle is inserted;

e. the insert is placed on the placing plate; the first clamping mechanism clamps the insert; the thirteenth power device drives the placing disc to rotate to complete insert position switching; the mechanical arm drives the first clamping mechanism and the insert to be close to the first die assembly; the insert is placed in the first mold closing die;

f. adsorbing the insert by a first gas adsorption source; the air pressure detection device detects the adsorption force of the first adsorption source; the injection molding machine drives the first mold closing and the second mold closing to close to each other; after the injection molding is finished, the first mold closing and the second mold closing are mutually far away from the lower mold; the inflation device inflates gas into the second die set to discharge moisture in the second die set; the gas charging device discharges gas in the second die assembly;

g. a sixteenth power device drives the fifteenth power device and the second clamping mechanism to swing; the fifteenth power device drives the second clamping mechanism to be close to the injection-molded part; the second clamping mechanism clamps the injection-molded part; the sixteenth power device drives the fifteenth power device, the second clamping mechanism and the injection-molded part to reversely swing; and the second clamping mechanism loosens and clamps the injection-molded part.

The invention has the following beneficial effects: the invention designs an automatic injection molding device and a working method thereof for completing the insertion of a PIN needle. The placing hole is communicated with a first air suction source through a first connecting pipe, and the detection end of the air pressure detection device is communicated with the first connecting pipe. The automatic injection molding device and the working method thereof bring the following effects: (1) The stamping of parts can be completed through the stamping device, and the placing in and taking out of the parts can be completed through the fourth moving device, so that the machining efficiency of the parts is improved; (2) The PIN inserting machine can insert a plurality of PINs into the stamped part, and the PINs can be accurately inserted into the stamped part through the inserting device, so that the production efficiency is improved, and the inserting position error of the PINs is avoided; (3) When the placement position of the insert is deviated, the air pressure detection device can detect the change of air pressure, so that the injection molding device stops working, and the die pressing risk caused by the first die closing and the second die closing is prevented; (4) The manual water blowing is avoided through the inflating device, so that the potential safety hazard is reduced, and the production efficiency is improved; (5) The automatic injection molding device can realize the automatic processing of parts, realize the punching press of parts, insert the PIN needle and the automatic processing of moulding plastics, do not need manual intervention to improve the machining precision.

Drawings

FIG. 1 is a top view of the present invention.

Fig. 2 is an enlarged view of a point a in fig. 1.

Fig. 3 is a front view structural view of the press apparatus of the present invention.

Fig. 4 is a front view of a first mobile device according to the present invention.

FIG. 5 is a front view of the table of the present invention.

Fig. 6 is a left side view of a second mobile device according to the invention.

Fig. 7 is a front view of a third mobile device according to the present invention.

In the figure: 1. a stamping device; 11. punching a head; 12. a first power unit; 13. a stamping rack; 14. a conveyor; 2. an insertion device; 21. inserting a PIN needle machine; 22. a work table; 23. profiling grooves; 24. a spacing pin; 3. an injection molding device; 31. first mold closing; 32. second mold closing; 33. an air pressure detecting device; 34. an inflator; 35. an injection molding machine; 4. a clamping device; 41. a robot arm; 42. a first clamping mechanism; 43. placing a tray; 44. a thirteenth power plant; 45. a drive frame; 46. a clamping member; 47. a fourteenth power plant; 48. a connecting member; 5. a first mobile device; 51. an electric turntable; 52. a first movable support; 53. a second movable support; 54. a third movable support; 55. a first suction cup; 56. a fifth power plant; 57. a seventh power plant; 58. an eighth power plant; 6. a second mobile device; 61. a first movable beam; 62. a second movable beam; 63. a third movable beam; 64. a screw rod; 65. a ninth power plant; 66. a rack; 67. a gear; 68. a tenth power plant; 69. a second suction cup; 7. a third mobile device; 71. a second clamping mechanism; 72. a fifteenth power plant; 73. a main frame; 74. a sixteenth power plant; 8. a fourth mobile device; 81. a wheel carrier; 82. a pulley; 83. a second power unit; 84. a third power unit; 85. a fourth power unit; 86. an eleventh power plant; 87. a twelfth power plant; 88. adsorbing the stent; 89. a belt.

Detailed Description

The following describes a specific embodiment of the present embodiment with reference to the drawings.

Fig. 1 is a top view structural diagram of the present invention. Fig. 2 is an enlarged view of a point a in fig. 1. Fig. 3 is a front view structural view of the press apparatus of the present invention. Fig. 4 is a front view of a first mobile device according to the present invention. FIG. 5 is a front view of the table of the present invention. Fig. 6 is a left side view of a second mobile device according to the invention. Fig. 7 is a front view of a third mobile device according to the present invention. Referring to fig. 1, 2, 3, 4, 5, 6 and 7, the present invention discloses an automatic injection molding apparatus. The direction of X in the figure is the front end of the top view structural diagram of the present invention, and the direction of Y in the figure is the right end of the top view structural diagram of the present invention. The automatic injection molding device comprises a stamping device 1 for stamping parts, an inserting device 2 for inserting needles into the parts, an injection molding device 3 for injecting the parts, a clamping device 4 for placing inserts into the injection molding device 3, a first moving device 5 for placing the stamped parts into the inserting device 2, a second moving device 6 for placing the parts after inserting the needles into the injection molding device 3 and a third moving device 7 for taking the parts after injection molding out. The first moving means 5 are arranged between the punching means 1 and the inserting means 2. The second displacement device 6 is arranged between the insertion device 2 and the injection device 3. The holding device 4 is arranged on the side of the injection device 3 close to the second displacement device 6. The third moving device 7 is arranged on the side of the injection molding device 3 remote from the second moving device 6.

The punching device 1 comprises a punching head 11 for punching parts, a first power device 12 for driving the punching head 11 to move, a punching rack 13 for placing the parts, conveyors 14 arranged at two sides of the punching rack 13 and a fourth moving device 8 for taking and placing the parts. The parts are placed on a side conveyor 14. The stamped parts are placed on the other side conveyor 14. A punch 11 is provided at the drive end of the first power unit 12. The fourth moving means 8 includes a belt 89, a wheel carrier 81, pulleys 82 rotatably provided at both sides of the wheel carrier 81, a second power means 83 for driving the pulleys 82 to rotate, a third power means 84 for elevating moving parts, and a fourth power means 85 for horizontally moving parts. A belt 89 is wound around the pulley 82. Pulley 82 is provided at the drive end of second power means 83. The wheel carrier 81 is provided at the driving end of the third power unit 84. A third power means 84 is provided at the drive end of the fourth power means 85.

Preferably, the first power means 12 is a hydraulic cylinder. The first power unit 12 is disposed in the vertical direction. The lower end of the first power unit 12 is the driving end of the first power unit 12. The punch head 11 is disposed at a lower end of the first power unit 12. The press stand 13 is located at a position below the press head 11. The conveyors 14 are respectively provided on the left and right sides of the press bed 13. The fourth moving device 8 is disposed below the press stage 13.

Preferably, the second power device 83 is a motor. Preferably, the third power means 84 is a cylinder. Preferably, the fourth power means 85 is a rodless cylinder. The wheel frame 81 is disposed in the left-right direction. The pulleys 82 are rotatably provided on the left and right sides of the carrier 81, respectively. The second power means 83 is provided on the wheel carrier 81. The third power unit 84 is disposed in the vertical direction. The upper end of the third power means 84 is the drive end of the third power means 84. The lower end of the wheel carrier 81 is connected with the upper end of the third power device 84. The fourth power unit 85 is disposed in the left-right direction. The upper end of the fourth power device 85 is the driving end of the fourth power device 85. The lower end of the third power unit 84 is connected to the upper end of the fourth power unit 85.

The parts on the conveyor 14 on the left side of the stamping bed 13 can be moved onto the stamping bed 13 by means of the fourth displacement device 8. The punched parts on the punching stage 13 can be moved to the conveyor 14 located on the right side of the punching stage 13 by the fourth moving device 8. A conveyor 14 on the right side of the stamping bed 13 moves the parts away from the stamping bed 13.

The stamping of the parts can be done by the stamping device 1 and the putting in and taking out of the parts can be done by the fourth moving device 8. The machining efficiency of the parts is improved.

The first power means 12 is a hydraulic cylinder, the choice of type of cylinder being well known. The skilled person will be able to select the type of hydraulic cylinder, for example, HOBE63 x 50-a-FA-M2-R, according to the operation of the device.

The second power device 83 is a motor, and the selection of the cylinder type belongs to the common knowledge. Those skilled in the art can select the motor according to the working condition of the device, for example, the motor with the model number of 5IK120RGU-CF can be selected.

The third power means 84 is a cylinder, the selection of the cylinder type being of common knowledge. The person skilled in the art can select the type of cylinder, for example, SC50 x 200, according to the working conditions of the device.

The fourth power device 85 is a rodless cylinder, and the selection of the cylinder type belongs to the common knowledge. Those skilled in the art can select the type of rodless cylinder, OSP-P25-800, for example, depending on the operation of the device.

The selection of the type of conveyor 14 is well known in the art. The person skilled in the art can choose the type of delivery JXR-SSJ5, for example, depending on the operation of the device.

The first moving device 5 includes a seventh power device 57, an eighth power device 58, an electric rotary table 51, a first moving support 52 provided on the electric rotary table 51, a second moving support 53 provided on the first moving support 52 in a swinging manner, a third moving support 54 provided on the second moving support 53 in a swinging manner, a first suction cup 55 for sucking a part, and a fifth power device 56 for driving the first suction cup 55 to move. The seventh power unit 57 drives the third moving frame 54, the first suction pad 55 and the fifth power unit 56 to swing along the second moving frame 53. The eighth power unit 58 drives the third moving frame 54, the first suction cup 55, the fifth power unit 56, the second moving frame 53 and the seventh power unit 57 to swing along the first moving frame 52.

Preferably, the eighth power means 58 is a cylinder. Preferably, the seventh power device 57 is a cylinder. Preferably, the fifth power device 56 is a cylinder. The electric turntable 51 is disposed in a horizontal direction. The upper end of the electric rotary disc 51 is the driving end of the electric rotary disc 51. The first moving bracket 52 is provided at an upper end of the power disc 51. The second moving bracket 53 is swingably provided at the upper end of the first moving bracket 52. An eighth power means 58 is provided on the first moving bracket 52. The driving end of the eighth power unit 58 is connected to one end of the second moving bracket 53. The third moving bracket 54 is swingably provided at the other end of the second moving bracket 53. The seventh power unit 57 is provided on the second moving bracket 53. The driving end of the seventh power unit 57 is connected to one end of the third moving bracket 54. A fifth power unit 56 is provided at the other end of the third moving bracket 54. A first suction disc 55 is provided at the drive end of a fifth power means 56.

The eighth power means 58 is a cylinder, the choice of cylinder type being common knowledge. The person skilled in the art can choose the type of cylinder, for example SC50 x 125, according to the operation of the device.

The seventh power means 57 is a cylinder, the choice of cylinder type being common knowledge. The person skilled in the art can select the type of cylinder, for example, SC50 × 150, according to the working conditions of the device.

The fifth power means 56 is a cylinder, the choice of cylinder type being common knowledge. The person skilled in the art can select the type of cylinder, for example, SC50 × 150, according to the working conditions of the device.

The selection of the model of the electric turntable 51 is common knowledge. Those skilled in the art can select the type of the electric turntable DEF-320, for example, according to the operation of the device.

The insertion device 2 comprises a PIN insertion machine 21 and a workbench 22 for placing punched parts. The worktable 22 is provided with a contour groove 23. The stamped part is placed in the contour groove 23. A limit pin 24 is arranged in the contour groove 23. A spacing pin 24 is provided around the stamped part.

The upper surface of the table 22 is provided with a contour groove 23. When the stamped part is placed in the profile groove 23, the profile groove 23 is attached to the outer surface of the stamped part. The limit pin 24 is embedded into the stamped part, and the limit pin 24 limits the movement of the stamped part.

Preferably, the needle is a PIN needle. A plurality of PIN pieces can be inserted on the punched part through the PIN inserting machine 21. The needle piece can be accurately inserted into the punched part through the inserting device 2, so that the production efficiency is improved, and the inserting position error of the needle piece is avoided.

The selection of the PIN inserter 21 model is well known. The person skilled in the art can choose the type of PIN insertion machine, RC-26A, for example, according to the working condition of the device.

The second moving device 6 includes a first moving beam 61, a second moving beam 62 movably disposed on the first moving beam 61, a third moving beam 63 movably disposed on the second moving beam 62, a screw 64 rotatably disposed on the first moving beam 61, a ninth power device 65 for driving the screw 64 to rotate, a rack 66 disposed on the second moving beam 62, a gear 67 for engaging the rack 66, a tenth power device 68 for driving the gear 67 to rotate, a second suction cup 69 for sucking the part after the needle is inserted, an eleventh power device 86 for driving the second suction cup 69 to swing, a twelfth power device 87 for driving the second suction cup 69 to approach the part after the needle is inserted, and a suction holder 88 disposed at a driving end of the twelfth power device 87. The second suction cup 69 is swingably provided on the suction bracket 88. The second transfer beam 62 is threaded to a lead screw 64.

Preferably, the twelfth power means 87 is a cylinder. Preferably, the eleventh power means 86 is a cylinder. Preferably, the tenth power means 68 is an electric motor. Preferably, the ninth power device 65 is an electric motor. The first transfer beam 61 is disposed in the left-right direction. The second transfer beam 62 is provided at the upper end of the first transfer beam 61 in the front-rear direction. The third transfer beam 63 is provided on the second transfer beam 62 in the up-down direction. The screw 64 is rotatably provided in the left-right direction on the first travel beam 61. A ninth power means 65 is connected to the drive end of the screw 64. The rack 66 is provided on the second transfer beam 62 in the front-rear direction. The tenth power unit 68 is disposed in the up-down direction. The lower end of the tenth power unit 68 is the driving end of the tenth power unit 68. A gear 67 is provided at a lower end of the tenth power unit 68. The twelfth power unit 87 is provided in the vertical direction on the third transfer beam 63. The lower end of the twelfth power means 87 is the driving end of the twelfth power means 87. The adsorption bracket 88 is connected to the lower end of the twelfth power unit 87. The upper end of the second suction cup 69 is swing-connected to the lower end of the suction holder 88. The eleventh power unit 86 is provided on the adsorption holder 88 in the vertical direction. The lower end of the eleventh power means 86 is the driving end of the eleventh power means 86. The lower end of the eleventh power device 86 is connected with the second suction cup 69.

The twelfth power means 87 is a cylinder, and the selection of the cylinder type is common knowledge. The person skilled in the art can select the type of cylinder, for example, SC50 x 200, according to the working conditions of the device.

The eleventh power means 86 is a cylinder, the choice of cylinder type being common knowledge. The person skilled in the art can choose, depending on the operation of the device, for example a cylinder of type SC50 x 200.

The tenth power unit 68 is an electric motor, and the selection of the type of the electric motor is well known. Those skilled in the art can select the motor according to the working condition of the device, for example, the motor with the model number of 5IK120RGU-CF can be selected.

The ninth power unit 65 is a motor, and the selection of the motor type belongs to the common knowledge. Those skilled in the art can select the motor based on the operation of the device, such as the 5IK120RGU-CF motor.

The holding apparatus 4 includes a robot arm 41, a first holding mechanism 42 for holding the insert, a placing plate 43 for placing the insert, and a thirteenth power apparatus 44 for driving the placing plate 43 to rotate. The first gripping mechanism 42 is provided at the driving end of the robot arm 41. The first clamping mechanism 42 includes a connecting member 48, a fourteenth power device 47, a driving rack 45 provided at a driving end of the robot arm 41, and a clamping member 46 for clamping the insert. The holding member 46 is relatively swingably provided on the drive frame 45. One end of the link 48 is rotatably connected to the driving end of the fourteenth power means 47. The other end of the connector 48 is rotatably connected to one end of the holder 46. The other end of the holder 46 holds the insert.

Preferably, the thirteenth power device 44 is an electric motor. The thirteenth power unit 44 is provided in the up-down direction. The upper end of the thirteenth power means 44 is the driving end of the thirteenth power means 44. The placing tray 43 is horizontally disposed at the upper end of the thirteenth power unit 44.

One end of the driving frame 45 is connected to the driving end of the robot arm 41. The holding member 46 is relatively swingably provided at the other end of the driving frame 45. A fourteenth power unit 47 is provided at the drive end of the robot arm 41.

The thirteenth power device 44 is a motor, and the selection of the type of the motor is common knowledge. Those skilled in the art can select the motor based on the operation of the device, such as the 5IK120RGU-CF motor.

The selection of the type of manipulator arm 41 is well known. Those skilled in the art can select the operation of the device, for example, a mechanical arm with model number BRTIRUS 0805A.

The injection molding apparatus 3 includes an injection molding machine 35, a first mold clamp 31, a second mold clamp 32, an air pressure detecting device 33 communicating with the first mold clamp 31, and an inflator 34 communicating with the second mold clamp 32. The first clamp 31 and the second clamp 32 are disposed opposite to each other in the injection molding machine 35. A placing hole for placing the insert is formed in the first mold closing 31. The placing hole is communicated with a first air suction source through a first connecting pipe. The detection end of the air pressure detection device 33 is communicated with the first connection pipe. The inflator 34 includes a second connection pipe and a control valve that opens and closes the second connection pipe. The second connecting pipe is respectively communicated with the second air suction source and the air source. The control valve is arranged on the second connecting pipe.

When an insert is placed in the first mold clamping 31, and when a part after a needle is inserted is placed in the second mold clamping 32, the first mold clamping 31 and the second mold clamping 32 are clamped. The air pressure detecting device 33 detects whether the air pressure in the first mold clamping 31 is stable. And the injection molding machine 35 molds the first mold closing 31 and the second mold closing 32 after the injection molding is finished. The control valve is communicated with an air source to discharge water in the second die assembly 32.

When the placement position of the insert deviates, the air pressure detection device 33 can detect the change of the air pressure, so that the injection molding device 3 stops working, and the first clamping die 31 and the second clamping die 32 are prevented from generating die pressing risks.

Manual water blowing is avoided through the inflating device 34, potential safety hazards are reduced, and production efficiency is improved.

The selection of the type of injection molding machine 35 is common knowledge. The person skilled in the art can select the injection molding machine according to the working conditions of the apparatus, for example, the model BRTIRUS 0805A.

The selection of the type of air pressure sensing device 33 is well known in the art. The air pressure detection device with model number ZSE30AF-01-P can be selected by the person skilled in the art according to the working condition of the device.

The choice of control valve model is common knowledge. The person skilled in the art can choose the type of control valve, for example 2S-160-15, according to the working conditions of the device.

The third moving device 7 includes a main frame 73, a second clamping mechanism 71 for clamping the injection molded part, a fifteenth power device 72 for driving the second clamping mechanism 71 to approach the injection molded part, and a sixteenth power device 74 provided on the main frame 73. The second gripping mechanism 71 is provided at the drive end of a fifteenth power means 72. The sixteenth power device 74 drives the fifteenth power device 72 and the second clamping mechanism 71 to swing.

Preferably, the sixteenth power device 74 is an electric rotating table. Preferably, the fifteenth power device 72 is a cylinder. Preferably, the second clamping mechanism 71 is a finger cylinder. A sixteenth power unit 74 is provided at the upper end of the main frame 73. One end of the fifteenth power means 72 is connected to the drive end of the sixteenth power means 74. The other end of the fifteenth power device 72 is a driving end of the fifteenth power device 72. The second gripping mechanism 71 is provided at the other end of the fifteenth power unit 72.

The sixteenth power device 74 is an electric rotary table, and the type of the electric rotary table is commonly known. Those skilled in the art can select the type of the electric rotary table, for example, Y200RA400, according to the operation of the apparatus.

The fifteenth power device 72 is a cylinder, and the selection of the cylinder type is common knowledge. The person skilled in the art can choose, depending on the operation of the device, for example a cylinder of type SC50 x 200.

The second clamping mechanism 71 is a finger cylinder, and the selection of the type of the finger cylinder belongs to the common knowledge. The person skilled in the art can select the type of finger cylinder, MHC2-25D, for example, according to the working condition of the device.

The automatic injection molding device can realize the automatic processing of parts, realizes the automatic processing of the punching press of parts, the PIN needle of inserting and moulding plastics, does not need manual intervention, has improved the machining precision.

When the automatic injection molding device works, the working method of the automatic injection molding device of the embodiment includes the following steps:

a. the part is placed on a conveyor 14 on one side of the stamping bed 13, and the conveyor 14 brings the part close to the stamping bed 13. The fourth moving device 8 places the part on the press stage 13. The first power unit 12 drives the punch head 11 to punch the part. The fourth moving device 8 drives the punched parts to approach the conveyor 14 at the other side of the punching rack 13. The conveyor 14 brings the punched parts close to the first moving device 5.

b. The eighth power device 58 drives the third moving bracket 54, the first suction cup 55, the fifth power device 56, the second moving bracket 53 and the seventh power device 57 to swing along the first moving bracket 52. The seventh power unit 57 drives the third moving frame 54, the first suction pad 55 and the fifth power unit 56 to swing along the second moving frame 53. A fifth power means 56 drives the first suction pad 55 to approach the stamped part. The first suction pad 55 sucks the punched parts. The electric turntable 51 drives the seventh power device 57, the eighth power device 58, the first movable bracket 52, the second movable bracket 53, the third movable bracket 54, the first suction cup 55, the fifth power device 56 and the punched parts to rotate. The first suction pad 55 no longer sucks the pressed part. The stamped parts are placed in the insertion device 2.

c. The stamped part is placed in the contour groove 23. The limiting pin 24 limits the movement of the stamped part. The PIN inserting machine 21 inserts the PIN into the punched part.

d. The second suction cup 69 sucks the part after the needle is inserted. The ninth power device 65 drives the screw rod 64 to rotate and drive the second movable beam 62, the third movable beam 63, the rack 66, the gear 67, the tenth power device 68, the second suction cup 69, the eleventh power device 86, the twelfth power device 87, the adsorption bracket 88 and the parts inserted into the needle to approach the inside of the injection molding device 3. The eleventh power means 86 drives the second suction cup 69 and the part after the insertion of the needle to oscillate. The twelfth power unit 87 drives the suction holder 88, the needle inserted rear part, and the eleventh power unit 86 to move downward. The tenth power device 68 drives the gear 67 to rotate, so as to drive the second suction cup 69, the eleventh power device 86, the twelfth power device 87, the adsorption bracket 88 and the parts after the needle is inserted to be arranged in the second die assembly 32. The second suction cup 69 stops sucking the part after the needle is inserted.

e. The insert is placed on the placing tray 43. The first gripper mechanism 42 grips the insert. The thirteenth power device 44 drives the placing disc 43 to rotate to complete the insert position switching. The robot 41 brings the first clamping mechanism 42 and the insert close to the first clamping die 31. The insert is placed in the first clamping die 31.

f. The first gas absorption source adsorbs the mold insert. The air pressure detecting means 33 detects the adsorption force of the first adsorption source. The injection molding machine 35 drives the first clamp 31 and the second clamp 32 to close each other. After the injection molding is completed, the first mold clamp 31 and the second mold clamp 32 are away from the lower mold. The inflator 34 inflates air into the second mold 32 and discharges moisture in the second mold 32. The inflator 34 discharges the gas in the second mold clamping 32.

g. The sixteenth power device 74 drives the fifteenth power device 72 and the second clamping mechanism 71 to swing. A fifteenth power means 72 drives the second clamping mechanism 71 close to the injection molded part. The second clamping mechanism 71 clamps the injection molded part. The sixteenth power device 74 drives the fifteenth power device 72, the second clamping mechanism 71 and the injection-molded part to swing in the opposite direction. The second clamping mechanism 71 releases the clamping of the injection molded part.

A conveyor 14 on the left side of the press bed 13 brings the parts close to the press bed 13. The pulley 82 is driven to rotate by the second power device 83, and the pulley 82 drives the belt 89 and the parts to move to the right. When the driving end of the third power unit 84 is extended, the belt 89, the wheel carrier 81, the pulley 82 and the second power unit 83 move upward. When the driving end of the third power unit 84 is contracted, the belt 89, the wheel carrier 81, the pulley 82 and the second power unit 83 move downward. When the driving end of the third power unit 84 moves rightward, the belt 89, the carrier 81, the pulley 82, the second power unit 83 and the third power unit 84 move rightward. When the driving end of the third power unit 84 is moved leftward, the belt 89, the wheel carrier 81, the pulley 82, the second power unit 83 and the third power unit 84 are moved leftward.

The electric turntable 51 drives the eighth power unit 58, the third movable bracket 54, the first suction cup 55, the fifth power unit 56, the second movable bracket 53, the seventh power unit 57, and the first movable bracket 52 to rotate in the direction of the press apparatus 1. The seventh power unit 57 drives the third moving frame 54, the first suction pad 55 and the fifth power unit 56 to swing along the second moving frame 53. The eighth power unit 58 drives the third moving frame 54, the first suction cup 55, the fifth power unit 56, the second moving frame 53 and the seventh power unit 57 to swing along the first moving frame 52. The first suction cup 55 completes suction of the pressed part. The electric turntable 51 drives the eighth power unit 58, the third movable bracket 54, the first suction cup 55, the fifth power unit 56, the second movable bracket 53, the seventh power unit 57, the first movable bracket 52, and the punched component to rotate in the direction of the inserting apparatus 2. The seventh power device 57 drives the third moving frame 54, the first suction cup 55, the fifth power device 56 and the punched parts to swing along the second moving frame 53. The eighth power device 58 drives the third moving bracket 54, the first suction cup 55, the fifth power device 56, the second moving bracket 53, the seventh power device 57 and the punched parts to swing along the first moving bracket 52. The first suction cup 55 stops sucking the pressed part. The stamped parts are placed in the insertion device 2.

After the insertion of the parts into the needle is completed by the insertion device 2. The second suction cup 69 sucks the needle inserted component. The ninth power unit 65 drives the screw 64 to rotate. The screw 64 drives the second moving beam 62, the third moving beam 63, the rack 66, the gear 67, the tenth power device 68, the second suction cup 69, the eleventh power device 86, the twelfth power device 87 and the adsorption bracket 88 to move rightwards along the first moving beam 61 and the parts after the needle is inserted. The tenth power plant 68 drives the rotation of the gear 67. The gear 67 rolls along the rack 66, and the third moving beam 63, the second suction cup 69, the eleventh power device 86, the twelfth power device 87, the adsorption bracket 88 and the needle-inserted rear part driven by the gear 67 move forward along the first moving beam 61. The driving end of the twelfth power device 87 extends out to drive the adsorption bracket 88, the eleventh power device 86 and the needle-inserted part to move downwards. The driving end of the eleventh power device 86 is extended, and the eleventh power device 86 drives the second suction cup 69 and the needle inserted part to swing. The second suction cup 69 stops sucking the needle inserted part, which is set in the injection molding device 3.

The robot 41 brings the first gripper mechanism 42 close to the insert. The driving end of the fourteenth power device 47 extends out, and the clamping pieces 46 are driven to approach each other through the connecting piece 48 to clamp the insert. The robot 41 brings the first clamping mechanism 42 and the insert close to the injection molding device 3. And the thirteenth power device 44 drives the placing disc 43 and the insert to rotate to complete station switching of the insert. The driving end of the fourteenth power means 47 is retracted and the clamping members 46 are moved away from each other by the connecting member 48 to release the insert, which is placed in the injection molding apparatus 3.

The injection molding device 3 completes the injection molding work of the parts after the needle is inserted. The sixteenth power device 74 drives the fifteenth power device 72 and the second clamping mechanism 71 to swing towards the direction of the injection-molded part. The fifteenth power device 72 drives the second clamping mechanism 71 to approach the injection molded part. The second clamping mechanism 71 clamps the injection molded part. A fifteenth power means 72 drives the second clamping mechanism 71 and the injection molded part away from the injection molding apparatus 3. The sixteenth power unit 74 drives the fifteenth power unit 72, the second clamping mechanism 71 and the injection-molded part to rotate in a direction away from the injection molding device 3. The second clamping mechanism 71 loosens the clamping of the injection-molded part and places the injection-molded part.

In the present embodiment, the first power unit 12 is described as a hydraulic cylinder, but the present invention is not limited thereto, and may be another power unit within a range capable of functioning.

In the present embodiment, the second power unit 83 is described as a motor, but the present invention is not limited thereto, and may be another power unit within a range capable of functioning.

In the present embodiment, the third power unit 84 is described as a cylinder, but the present invention is not limited thereto, and may be another power unit within a range capable of functioning.

In the present embodiment, the fourth power unit 85 is described as a rodless cylinder, but the present invention is not limited thereto, and may be another power unit within a range capable of functioning.

In the present embodiment, the eighth power unit 58 is described as a cylinder, but the present invention is not limited thereto, and may be another power unit within a range capable of functioning.

In the present embodiment, the seventh power unit 57 is described as a cylinder, but the present invention is not limited thereto, and may be another power unit within a range capable of functioning.

In the present embodiment, the fifth power unit 56 is described as a cylinder, but the present invention is not limited thereto, and may be another power unit within a range capable of functioning.

In the present embodiment, the PIN described above is a PIN, but the PIN is not limited thereto, and may be another PIN within a range in which the PIN can function.

In the present embodiment, the twelfth power unit 87 is described as a cylinder, but the present invention is not limited thereto, and may be another power unit within a range capable of functioning.

In the present embodiment, the eleventh power unit 86 is described as a cylinder, but the present invention is not limited thereto, and may be another power unit within a range capable of functioning.

In the present embodiment, the tenth power unit 68 is described as a motor, but is not limited thereto, and may be another power unit within a range capable of functioning as such.

In the present embodiment, the ninth power unit 65 is described as a motor, but is not limited thereto, and may be another power unit within a range capable of functioning.

In the present embodiment, the thirteenth power unit 44 is described as a motor, but is not limited thereto, and may be another power unit within a range capable of functioning.

In the present embodiment, the sixteenth power unit 74 is described as an electric rotary table, but the present invention is not limited thereto, and may be another power unit within a range capable of functioning.

In the present embodiment, the fifteenth power unit 72 is described as a cylinder, but the present invention is not limited thereto, and may be another power unit within a range capable of functioning.

In the present embodiment, the second gripping mechanism 71 is described as a finger cylinder, but the present invention is not limited thereto, and may be another gripping mechanism within a range capable of functioning.

In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

The foregoing description is illustrative of the present invention and is not to be construed as limiting thereof, the scope of the invention being defined by the appended claims, which may be modified in any manner without departing from the basic structure thereof.

Claims

1. The utility model provides an automatic change injection moulding device which characterized in that: the injection molding device comprises a stamping device (1) for stamping parts, an insertion device (2) for inserting needles into the parts, an injection molding device (3) for injection molding the parts, a clamping device (4) for placing inserts into the injection molding device (3), a first moving device (5) for placing the stamped parts into the insertion device (2), a second moving device (6) for placing the parts after inserting needles into the injection molding device (3) and a third moving device (7) for taking out the parts after injection molding; the first movement means (5) are arranged between the punching means (1) and the insertion means (2); the second movement means (6) are arranged between the insertion means (2) and the injection moulding means (3); the clamping device (4) is arranged on one side, close to the second moving device (6), of the injection molding device (3); the third moving device (7) is arranged on one side of the injection molding device (3) far away from the second moving device (6);

the second moving device (6) comprises a first moving beam (61), a second moving beam (62) movably arranged on the first moving beam (61), a third moving beam (63) movably arranged on the second moving beam (62), a screw rod (64) rotatably arranged on the first moving beam (61), a ninth power device (65) for driving the screw rod (64) to rotate, a rack (66) arranged on the second moving beam (62), a gear (67) meshed with the rack (66), a tenth power device (68) for driving the gear (67) to rotate, a second suction cup (69) for sucking the parts after the needle is inserted, an eleventh power device (86) for driving the second suction cup (69) to swing, a twelfth power device (87) for driving the second suction cup (69) to be close to the parts after the needle is inserted, and a sucking bracket (88) arranged at the driving end of the twelfth power device (87); the second suction cup (69) is arranged on the adsorption bracket (88) in a swinging mode; the second moving beam (62) is in threaded connection with the screw rod (64);

the injection molding device (3) comprises an injection molding machine (35), a first mold clamping (31), a second mold clamping (32), an air pressure detection device (33) communicated with the first mold clamping (31), and an air charging device (34) communicated with the second mold clamping (32); the first clamping die (31) and the second clamping die (32) are oppositely arranged in the injection molding machine (35); a placing hole for placing the insert is formed in the first die assembly (31); the placing hole is communicated with a first air suction source through a first connecting pipe; the detection end of the air pressure detection device (33) is communicated with the first connecting pipe; the inflation device (34) comprises a second connecting pipe and a control valve for opening and closing the second connecting pipe; the second connecting pipe is respectively communicated with a second air suction source and an air source; the control valve is arranged on the second connecting pipe.

2. The automated injection molding apparatus of claim 1, wherein: the stamping device (1) comprises a stamping head (11) for stamping the part, a first power device (12) for driving the stamping head (11) to move, a stamping rack (13) for placing the part, conveyors (14) arranged at two sides of the stamping rack (13) and a fourth moving device (8) for taking and placing the part; the parts are placed on one side of the conveyor (14); the punched parts are placed on the other side of the conveyor (14); the punching head (11) is arranged at the driving end of the first power device (12); the fourth moving device (8) comprises a belt (89), a wheel carrier (81), belt pulleys (82) which are rotatably arranged on two sides of the wheel carrier (81), a second power device (83) which drives the belt pulleys (82) to rotate, a third power device (84) which lifts and moves the part, and a fourth power device (85) which horizontally moves the part; the belt (89) is wound on the belt pulley (82); the belt pulley (82) is arranged at the driving end of the second power device (83); the wheel carrier (81) is arranged at the driving end of the third power device (84); the third power device (84) is arranged at the driving end of the fourth power device (85).

3. The automated injection molding apparatus of claim 1, wherein: the first moving device (5) comprises a seventh power device (57), an eighth power device (58), an electric rotating disc (51), a first moving support (52) arranged on the electric rotating disc (51), a second moving support (53) arranged on the first moving support (52) in a swinging mode, a third moving support (54) arranged on the second moving support (53) in a swinging mode, a first sucker (55) for sucking parts and a fifth power device (56) for driving the first sucker (55) to move; the seventh power device (57) drives the third moving bracket (54), the first suction cup (55) and the fifth power device (56) to swing along the second moving bracket (53); the eighth power device (58) drives the third moving bracket (54), the first suction cup (55), the fifth power device (56), the second moving bracket (53) and the seventh power device (57) to swing along the first moving bracket (52).

4. The automated injection molding apparatus of claim 1, wherein: the inserting device (2) comprises a PIN inserting machine (21) and a workbench (22) for placing the punched parts; the workbench (22) is provided with a profile groove (23); the punched part is placed in the profiling groove (23); a limit pin (24) is arranged in the profiling groove (23); the limiting pin (24) is arranged around the stamped part.

5. The automated injection molding apparatus of claim 1, wherein: the clamping device (4) comprises a mechanical arm (41), a first clamping mechanism (42) for clamping the insert, a placing disc (43) for placing the insert and a thirteenth power device (44) for driving the placing disc (43) to rotate; the first clamping mechanism (42) is arranged at the driving end of the mechanical arm (41); the first clamping mechanism (42) comprises a connecting piece (48), a fourteenth power device (47), a driving frame (45) arranged at the driving end of the mechanical arm (41) and a clamping piece (46) for clamping the insert; the clamping piece (46) is arranged on the driving frame (45) in a relatively swinging mode; one end of the connecting piece (48) is rotatably connected with the driving end of the fourteenth power device (47); the other end of the connecting piece (48) is rotationally connected with one end of the clamping piece (46); the other end of the clamping piece (46) clamps the insert.

6. The automated injection molding apparatus of claim 1, wherein: the third moving device (7) comprises a main frame (73), a second clamping mechanism (71) for clamping the injection-molded part, a fifteenth power device (72) for driving the second clamping mechanism (71) to be close to the injection-molded part, and a sixteenth power device (74) arranged on the main frame (73); the second clamping mechanism (71) is arranged at the driving end of the fifteenth power device (72); the sixteenth power device (74) drives the fifteenth power device (72) and the second clamping mechanism (71) to swing.

7. The working method of the automatic injection molding device is characterized by comprising the following steps: when the automatic injection molding device works, the working method of the automatic injection molding device comprises the following steps:

a. placing the part on a conveyor (14) on one side of a stamping rack (13), wherein the conveyor (14) drives the part to be close to the stamping rack (13); a fourth moving device (8) places the part on the stamping bed (13); the first power device (12) drives the stamping head (11) to stamp the part; the fourth moving device (8) drives the punched parts to be close to the conveyor (14) on the other side of the punching rack (13); the conveyor (14) drives the punched part to be close to the first moving device (5);

b. the eighth power device (58) drives the third moving bracket (54), the first suction disc (55), the fifth power device (56), the second moving bracket (53) and the seventh power device (57) to swing along the first moving bracket (52); the seventh power device (57) drives the third moving bracket (54), the first suction cup (55) and the fifth power device (56) to swing along the second moving bracket (53); the fifth power device (56) drives the first suction cup (55) to be close to the punched part; the first suction disc (55) sucks the stamped part; an electric turntable (51) drives a seventh power device (57), an eighth power device (58), a first movable bracket (52), a second movable bracket (53), a third movable bracket (54), a first suction disc (55), a fifth power device (56) and the punched parts to rotate; the first sucking disc (55) does not suck the punched part any more; the stamped part is placed in the inserting device (2);

c. the punched part is placed in the profiling groove (23); the limiting pin (24) limits the movement of the stamped part; inserting a PIN into the punched part by a PIN inserting machine (21);

d. the second sucking disc (69) adsorbs the parts after the needle is inserted; a ninth power device (65) drives a screw rod (64) to rotate to drive a second movable beam (62), a third movable beam (63), a rack (66), a gear (67), a tenth power device (68), a second suction cup (69), an eleventh power device (86), a twelfth power device (87), an adsorption bracket (88) and the part after the needle piece is inserted to be close to the inside of the injection molding device (3); the eleventh power device (86) drives the second suction cup (69) and the needle inserting rear part to swing; the twelfth power device (87) drives the adsorption bracket (88), the needle inserting piece rear part and the eleventh power device (86) to move downwards; the tenth power device (68) drives the gear (67) to rotate, and drives the second suction cup (69), the eleventh power device (86), the twelfth power device (87), the adsorption bracket (88) and the part after the needle piece is inserted to be arranged in a second die assembly (32); the second sucking disc (69) stops sucking the parts after the needle is inserted;

e. the insert is placed on a placing disc (43); a first clamping mechanism (42) clamps the insert; a thirteenth power device (44) drives the placing disc (43) to rotate to complete insert position switching; a mechanical arm (41) drives the first clamping mechanism (42) and the insert to be close to the first die assembly (31); the insert is arranged in the first die assembly (31);

f. adsorbing the insert by a first gas adsorption source; an air pressure detection device (33) detects the adsorption force of the first adsorption source; the injection molding machine (35) drives the first mold closing (31) and the second mold closing (32) to close each other; after the injection molding is finished, the first mold closing (31) and the second mold closing (32) are far away from the lower mold; an inflator (34) for inflating gas into the second mold clamping unit (32) and discharging moisture in the second mold clamping unit (32); the gas charging device (34) discharges gas in the second mold clamping (32);

g. a sixteenth power device (74) drives the fifteenth power device (72) and the second clamping mechanism (71) to swing; the fifteenth power device (72) drives the second clamping mechanism (71) to approach an injection-molded part; the second clamping mechanism (71) clamps the injection molded part; the sixteenth power device (74) drives the fifteenth power device (72), the second clamping mechanism (71) and the injection-molded part to reversely swing; and the second clamping mechanism (71) loosens and clamps the injection-molded part.