CN111745025B

CN111745025B - Rotating disc type automatic punching machine

Info

Publication number: CN111745025B
Application number: CN202010622246.8A
Authority: CN
Inventors: 王仕腾; 农良先; 佘庆勋
Original assignee: Maolian Rubber Products Shenzhen Co ltd
Current assignee: Maolian Rubber Products Shenzhen Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-04-02
Anticipated expiration: 2040-06-30
Also published as: CN111745025A

Abstract

The application relates to a rotating disc type automatic punching machine which comprises a workbench, a punching mechanism and a material loading mechanism, wherein the material loading mechanism comprises a rotating disc and a power part for driving the rotating disc to rotate, a die is arranged on the rotating disc, and the rotating disc type automatic punching machine also comprises a collecting disc and a discharging mechanism; the upper surface of the workbench is provided with an operation part, a stamping part and a discharging part around the turntable; when the turntable rotates, each die sequentially passes through the operation part, the stamping part and the discharging part. The turntable intermittently rotates during working to drive each die to pass through the operation part, the stamping part and the discharging part in sequence and pass through the operation part again. When the mold is positioned at the discharging part, the air pump jets air to the mold through the air jet nozzle, and finished products on the molding surface of the mold are blown into the collecting disc to be collected. Through this kind of mode, save the manual work and take out off the step of finished product from the mould, reduced the required time of manual operation, intermittent time when shortening the carousel and rotating, and then improve production efficiency. This application has the effect that improves production efficiency.

Description

Rotating disc type automatic punching machine

Technical Field

The application relates to the field of stamping equipment, especially, relate to an automatic punching machine of carousel formula.

Background

At present, in the production process of rubber products or hardware, a punching machine is one of important production devices and is used for punching and forming raw materials. A stamping machine is generally provided with a die and a pressing plate, wherein a user needs to place a raw material on the die during a working process, the raw material is stamped into a corresponding shape by the pressing plate matching with the die, and then the user can take out a finished product from the die. In the process, on one hand, the user needs to continuously place the raw materials on the mould or take out the finished product; on the other hand, the user needs to keep a distance from the pressing plate in the feeding and blanking process, so that the pressing plate in the stamping process is prevented from being touched. Thereby it improves production efficiency to promote the last unloading efficiency of punching machine, improves the security of punching machine simultaneously, is the problem of paying attention to in the trade always.

Chinese utility model that like the bulletin number of authorizing among the correlation technique is CN205236841U discloses a multistation carousel formula stamping device, is provided with the workstation in this patent, and the one end of workstation is provided with carousel equipment, and the other end is provided with stamping equipment. The turntable equipment comprises a turntable hinged with the workbench, a power device used for driving the turntable to rotate, and a plurality of molds circumferentially distributed around the turntable. The stamping equipment is positioned above the turntable, and a superposed part is arranged between the stamping equipment and the turntable and corresponds to the position of each die; when the power device drives the turntable to rotate, the dies sequentially pass through the lower part of the punching equipment along with the rotation of the turntable to wait for punching. When the stamping die works, a user can load materials on one side of the turntable, which is far away from the stamping equipment, and place the substitute processed product on a corresponding die; each die rotates along with the turntable to convey the to-be-processed product to the stamping equipment, and stays for a period of time to wait for the stamping equipment to stamp; after the punching is finished, the punching equipment returns to the original position and stays for a period of time to wait for the next die, and the turntable conveys the next die to the lower part of the punching equipment through rotation. So circulate, each carousel can transport the mould that the punching press was accomplished back to user's department, and the user then need take off finished product and frame waste material on the mould to adorn new article of waiting to process on the mould again.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the turntable intermittently rotates during operation, the stamping equipment needs to complete stamping operation within the interval of the rotation of the turntable, and a user needs to sequentially complete finished product taking, frame waste taking and reloading on the same die. However, since the side of the general die close to the stamping device is provided with the annularly distributed cutters to form a finished product which is embedded on the forming surface after the stamping of the forming surface is finished, the difficulty of manually taking out the finished product is high. In this process, the time required for manual operation is longer than the time required for the punching device to complete the punching operation, so that the time interval between the punching device and the next punching operation is longer, and the production efficiency is reduced.

Disclosure of Invention

In order to improve the production efficiency of punching machine, this application provides an automatic punching machine of carousel formula.

The application provides a pair of automatic punching machine of carousel formula adopts following technical scheme:

a rotating disc type automatic punching machine comprises a workbench, a punching mechanism and a material loading mechanism, wherein the material loading mechanism comprises a rotating disc and a power part for driving the rotating disc to rotate, a plurality of circumferentially distributed dies are arranged on the rotating disc, and the rotating disc comprises a collecting disc communicated with each die forming surface and a discharging mechanism used for blowing finished products into the collecting disc; the upper surface of the workbench is provided with an operation part for manual operation, a stamping part matched with the projection of the stamping mechanism and a discharging part matched with the projection of the discharging mechanism around the turntable; when the turntable rotates, the dies sequentially pass through the operation part, the stamping part and the discharging part; the discharging mechanism comprises an air pump, an air nozzle communicated with the air pump and arranged above the discharging part, and a support frame used for fixing the air nozzle.

Through adopting above-mentioned technical scheme, the carousel rotates at the during operation intermittent type formula, drives each mould and passes through operation portion, punching press portion and ejection of compact portion in proper order to pass through operation portion again. When the mould is positioned at the operation part, a user can take out the frame waste on the mould and place a new raw material to wait for processing; when the die is positioned at the stamping part, the stamping mechanism can stamp the raw materials on the die; when the mold is positioned at the discharging part, the air pump jets air to the mold through the air jet nozzle, and finished products on the molding surface of the mold are blown into the collecting disc to be collected. Through this kind of mode, save the manual work and take out off the step of finished product from the mould, reduced the required time of manual operation to the time of waiting for manual operation to accomplish after the messenger has shortened the operation of punching press mechanism, the intermittent type time when shortening the carousel and rotating, and then improve production efficiency.

Preferably, the die further comprises a rack, the discharging part is provided with a discharging port communicated with the die forming surface, the discharging port is communicated with the collecting tray, and the rack is provided with a conveying mechanism for conveying finished products to the collecting tray from the discharging port.

Through adopting above-mentioned technical scheme, but the finished product on the air nozzle mould profiled surface blows in the discharge gate, and the discharge gate of wearing can fall on conveying mechanism, and conveying mechanism concentrates the finished product to carry in the catch tray, and the person of facilitating the use collects the finished product.

Preferably, the conveying mechanism comprises a driving roller which is positioned below the discharge port and hinged with the rack, a driven roller which is positioned above the collecting tray and hinged with the rack, and a conveying belt for linking the driving roller and the driven roller, wherein a conveying surface for conveying finished products is formed on the upper surface of the conveying belt; the carousel be provided with be used for with the actuating lever that the power spare is connected, the actuating lever with be provided with the linkage subassembly between the drive roll.

Through adopting above-mentioned technical scheme, drive the drive roll rotation through the linkage subassembly when the actuating lever rotates, the drive roll passes through the conveyer belt and rotates with the driven voller is synchronous, and the conveyer belt transports the finished product on the transport surface to the catch tray gradually.

Preferably, the linkage assembly comprises a second conveying bevel gear for driving the driving roller to rotate, a first conveying bevel gear meshed with the second conveying bevel gear, a second driving wheel for driving the first conveying bevel gear to rotate, and a first driving wheel for driving the second driving wheel to rotate; the first driving wheel is coaxially connected with the driving rod, and a driving belt is arranged between the first driving wheel and the second driving wheel.

Through adopting above-mentioned technical scheme, when the actuating lever rotated, first drive wheel rotated to drive the rotation of second drive wheel through the drive belt. When the second driving wheel rotates, the first conveying bevel gear is driven to rotate, the first conveying bevel gear drives the second conveying bevel gear to rotate, the driving roller is driven to rotate, and therefore transmission between the driving rod and the driving roller is achieved.

Preferably, limiting plates for preventing the finished products from being separated from the conveying surface are respectively arranged on two sides of the conveying belt.

Through adopting above-mentioned technical scheme, the limiting plate sets up the both sides of conveyer belt, prevents that the finished product from breaking away from the transport face from the both sides of conveyer belt. By the mode, finished products are prevented from being separated from the conveying surface under the action of inertia in the intermittent movement process of the conveying belt, and the collection rate of the collection disc is improved.

Preferably, discharge mechanism still include with support frame sliding connection and drive through the translation mode the lift piece that the air nozzle goes up and down, the support frame is provided with and is used for the drive the cylinder that the lift piece removed with right the spacing post that the lift piece has limiting displacement, the lift piece be provided with spacing post sliding connection's spacing hole.

Through adopting above-mentioned technical scheme, when the mould removed the position of ejection of compact portion, the cylinder drove the elevator and descends in order to be close the direction of mould, makes the air nozzle be close the mould gradually at jet-propelled in-process. When the mould removed again, the cylinder drove the elevator and rises with the direction of keeping away from the mould, prevents that the air nozzle from contacting the mould in the removal, leads to the air nozzle to receive the damage.

Preferably, the air nozzle is hinged with the lifting block through a driving shaft, and the lifting block is provided with a transmission assembly for driving the driving shaft to rotate; the air nozzle is provided with a swing rod connected with the driving shaft, and an inclination angle is arranged between the swing rod and the driving shaft.

By adopting the technical scheme, the transmission assembly can drive the oscillating rod and the air nozzle to rotate through the driving shaft, and the air nozzle can spray air to a plurality of positions in the rotating process due to the inclined angle arranged between the oscillating rod and the driving shaft, so that a finished product can be stressed from a plurality of directions and is easier to separate from a mold forming surface; on the other hand, when the air nozzle faces to the moulds in different shapes, the single-point air injection of the air nozzle can not spray the finished product, and the applicability of the air nozzle to the moulds in different shapes is improved.

Preferably, the side surface of the limiting rod is provided with a tooth socket along the length direction thereof, and the transmission assembly comprises a driven gear for driving the driving shaft to rotate, a second swing bevel gear for driving the driven gear to rotate, a first swing bevel gear meshed with the second swing bevel gear, and a driving gear for driving the first swing bevel gear to rotate; the driving gear is hinged with the lifting block and is in meshed transmission with the tooth groove.

Through adopting above-mentioned technical scheme, when elevator and actuating lever relative slip, the tooth's socket drives the driving gear and rotates, and the transmitting gear drives first swing bevel gear and rotates, and first swing bevel gear drives second swing bevel gear and rotates to drive driven gear and rotate, and then drive the drive shaft and rotate. In this way, the air nozzle can automatically swing when the lifting block is lifted.

Preferably, the lifting block is provided with a positioning block, the positioning block is provided with a swinging assembly used for matching with the driving shaft to enable the air nozzle to swing, the swinging assembly comprises a positioning shaft hinged with the positioning block and a limiting rod used for limiting the distance between the air nozzle and the positioning shaft, one end of the limiting rod is hinged with the positioning shaft, and the other end of the limiting rod is hinged with the air nozzle; an eccentric rod is arranged between the driving shaft and the swinging rod, one end of the eccentric rod is fixedly connected with the driving shaft, and the other end of the eccentric rod is connected with the swinging rod through a joint bearing.

Through adopting above-mentioned technical scheme, rotate when the drive shaft and drive the eccentric rod and rotate, the eccentric rod is kept away from the one end of drive shaft and is driven the swinging arms rotation, and the gag lever post takes place to rotate with air nozzle and location axle respectively simultaneously, and location axle takes place to rotate with the locating piece. The swing rod rotates around the axis of the driving shaft and simultaneously rotates with the eccentric rod, so that the included angle between the swing rod and the driving shaft is continuously changed, in the process, the eccentric rod limits the distance between the swing rod and the driving shaft, and the limiting rod limits the distance between the hinge point of the swing rod and the positioning shaft, so that the swing range of the air nozzle is limited. By the mode, the head of the air nozzle can move in the same plane more than once, the moving path of the head of the air nozzle is increased, and the air spraying direction of the air nozzle is improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the step of manually taking out a finished product from the die is omitted, and the time required by manual operation is reduced, so that the time for waiting for the completion of the manual operation after the completion of the operation of the punching mechanism is shortened, the intermittent time during the rotation of the turntable is shortened, and the production efficiency is improved;

2. when the rotary table rotates, the linkage assembly drives the driving roller to rotate, the driving roller and the driven roller synchronously rotate through the conveying belt, and the conveying belt gradually conveys the finished products on the conveying surface to the collecting disc, so that a user can collect the finished products conveniently;

3. the air nozzle can jet air to a plurality of positions in the rotation process, so that the finished product can be stressed from a plurality of directions, the finished product cannot be jetted by single-point air injection of the air nozzle when the air nozzle faces the molds of different shapes, and the applicability of the air nozzle to the molds of different shapes is improved.

Drawings

Fig. 1 is a schematic structural view of a carousel type automatic press according to embodiment 1 of the present application.

Fig. 2 is a schematic diagram of the exploded structure of fig. 1.

Fig. 3 is a partially enlarged view at B in fig. 1.

Fig. 4 is a schematic structural view of a carousel type automatic press according to embodiment 2 of the present application.

Fig. 5 is a schematic structural diagram of the lifting block and the swing assembly in embodiment 2 of the present application.

Fig. 6 is a partially enlarged view at C in fig. 4.

Fig. 7 is a sectional view of a table and a conveying mechanism in embodiment 2 of the present application.

Fig. 8 is a schematic structural view of a conveying mechanism in embodiment 2 of the present application.

Description of reference numerals: 1. a frame; 11. a pillar; 12. supporting the square plate; 121. a fixed seat; 13. a power member; 131. a servo motor; 14. a control panel; 15. a collection tray; 2. a work table; 21. an operation section; 22. a discharge part; 221. a discharge port; 221. a guide tube; 23. a punching part; 24. a turntable; 241. a drive rod; 242. a communicating hole; 3. a mold; 31. molding surface; 32. a discharge hole; 4. a stamping mechanism; 41. pressing a plate; 42. a pusher member; 421. a gas-liquid pressure cylinder; 43. a support table; 5. a discharging mechanism; 51. an air nozzle; 511. a swing lever; 52. a support frame; 521. a support block; 53. an air pump; 54. a lifting block; 541. a limiting hole; 543. a containing groove; 55. a cylinder; 56. a limiting column; 561. a tooth socket; 58. positioning blocks; 6. a swing assembly; 61. a drive shaft; 62. an eccentric rod; 621. a knuckle bearing; 63. positioning the shaft; 64. a limiting rod; 7. a transmission assembly; 71. a driving gear; 72. a first swing bevel gear; 73. a second swing bevel gear; 74. a first acceleration gear; 75. a second acceleration gear; 76. a driven gear; 8. a conveying mechanism; 81. a drive roll; 811. a drive shaft; 82. a driven roller; 821. a driven shaft; 83. a conveyor belt; 831. a conveying surface; 84. a fixing plate; 841. connecting columns; 842. a limiting plate; 9. a linkage assembly; 91 a first driving wheel; 92. a second transmission wheel; 93. a second conveyance bevel gear; 931. a connecting member; 932. a first conveying bevel gear; 94. a transmission belt.

Detailed Description

The present application is described in further detail below with reference to figures 1-8.

Example 1

The embodiment of the application discloses 24 formula automatic punching machines of carousel can realize receiving the material automatically in the course of the work, and convenient to use person operates, improves production efficiency. Referring to fig. 1, the turntable type automatic punching machine comprises a frame 1, a workbench 2 arranged on the frame 1, a loading mechanism arranged on the workbench 2 and a punching mechanism 4 arranged on the upper surface of the workbench 2. The material loading mechanism comprises a rotary table 24 hinged on the upper surface of the workbench 2 and a plurality of groups of moulds 3 distributed on the upper surface of the rotary table 24 in a circumferential manner. The workbench 2 is also provided with a discharging mechanism 5, and the frame 1 is internally provided with a collecting tray 15 for collecting finished products. During operating condition, carousel 24 drives each mould 3 and passes through punching press mechanism 4 and discharge mechanism 5 in proper order, and wherein punching press mechanism 4 can cut into finished product and frame waste material with the raw materials on the mould 3, and discharge mechanism 5 can blow the finished product to the catch tray 15 in, and the user can carry out the material loading or take out the frame waste material to mould 3 at the front side of workstation 2.

Referring to fig. 1, the frame 1 includes four supporting columns 11 and a supporting square plate 12, each supporting column 11 is welded at a corner of the supporting square plate 12, and an upper surface of the supporting column 11 is welded to a lower surface of the working table 2. The supporting square plate 12 is bolted with a power part 13, and the power part 13 can be selected from but not limited to a servo motor 131. An output shaft of the servo motor 131 is welded with a driving rod 241, and the driving rod 241 penetrates through the worktable 2 and is welded with the central point of the turntable 24, so that the servo motor 131 can drive the turntable 24 to rotate. The worktable 2 is further provided with a control panel 14, and the control panel 14 is electrically connected with the servo motor 131. In this embodiment, the automatic press machine is controlled by a PLC programmable logic controller, and a user can set operating parameters such as a rotational speed or an operating interval time of the servo motor 131 through the control panel 14.

Referring to fig. 1 and 2, the workbench 2 is rectangular as a whole, and the upper surface of the workbench 2 is provided with a stamping part 23, a discharging part 22 and an operating part 21, wherein the position of the stamping part 23 is matched with the vertical projection of the stamping mechanism 4 on the upper surface of the workbench 2; the position of the discharging part 22 is matched with the vertical projection of the discharging mechanism 5 on the upper surface of the workbench 2; the operation unit 21 is located on the front side of the table 2 and is manually operated by a user. The distance from the punching part 23 to the center point of the rotary disc 24 is equal to the distance from the discharging part 22 to the center point of the rotary disc 24.

Referring to fig. 1 and 2, each mold 3 is bolted to the upper surface of the turntable 24, and the distance from each mold 3 to the center point of the turntable 24 is equal to the distance from the pressing portion to the center point of the turntable 24. When the die 3 is moved to a position overlapping with the punching portion 23, the die 3 is located directly below the punching mechanism 4; when the mold 3 is moved to a position overlapping the discharging portion 22, the mold 3 is located directly below the discharging mechanism 5. In this embodiment, the number of the molds 3 is 4, and in other embodiments, the number of the molds 3 is not less than 3. Defining a die 3 with an initial position located in the stamping part 23 as a die A, and moving the die A to the position of the discharging part 22 after the turntable 24 rotates 90 degrees; after the turntable 24 continues to rotate 90 °, the mold a moves to the position of the operation portion 21; after the turret 24 continues to rotate 180 degrees, the die a moves back to the position of the ram 23.

Referring to fig. 1, the pressing mechanism 4 includes a pressing plate 41 for completing pressing with the mold 3, a pushing member 42 for lifting the pressing plate 41, and a supporting base 43 for fixing the pushing member 42. The support base 43 is N-shaped as a whole, the support base 43 is bolted to the upper surface of the table 2, and the vertical projection of the support base 43 overlaps the turntable 24. Impeller 42 may be selected from, but not limited to, a vertical gas-liquid pressurized cylinder 421. The cylinder body of the gas-liquid pressure cylinder 421 is bolted to the upper surface of the support table 43, and the piston rod of the gas-liquid pressure cylinder 421 passes through the support table 43 and is bolted to the pressure plate 41.

Referring to fig. 1, during the punching operation, the gas-liquid pressurizing cylinder 421 pushes the pressing plate 41 to descend in a direction approaching the die 3, and after the punching operation is completed, the gas-liquid pressurizing cylinder 421 drives the pressing plate 41 to ascend to the original position. The control panel 14 is bolted on the upper surface of the support table 43, the control panel 14 is electrically connected with the electromagnetic valve of the gas-liquid pressure cylinder 421, and a user can set the working parameters of the gas-liquid pressure cylinder 421 through the control panel 14.

Referring to fig. 2, a circular die cutter for cutting the raw material is provided on the upper surface of the die 3, so that a molding surface 31 is formed on the upper surface of the die 3 and a molding gap is formed inside the die cutter. Between the die 3 reaching the punch 23, the material is placed on the forming surface 31; after the mold 3 reaches the stamping portion 23, the pressing plate 41 gradually presses down the press-fit mold 3 to perform punch forming on the raw material, the raw material is cut into a finished product and a frame waste, wherein the finished product is embedded in the forming gap of the forming surface 31, and the frame waste is left on the surface of the forming surface 31.

Referring to fig. 1 and 2, in order to allow the discharging mechanism 5 to blow the finished product into the collecting tray 15, the mold 3 is vertically provided with a discharging hole 32 communicating with the molding gap, and the discharging hole 32 penetrates through the mold 3. The turntable 24 is provided with a communication hole 242 communicated with the discharge hole 32 in the vertical direction, and the inner diameter of the communication hole 242 is larger than that of the discharge hole 32; the discharging part 22 is provided with a discharging hole 221 communicated with the communicating hole 242, the size of the discharging hole 221 is larger than that of the communicating hole 242, and the collecting disc 15 is positioned right below the discharging hole 221.

Referring to fig. 1 and 2, in order to allow the product on the mold 3 to pass through the discharge hole 32, the communication hole 242, and the discharge hole 221 in sequence and enter the collection tray 15, the discharge mechanism 5 includes an air nozzle 51 disposed above the discharge portion 22, a support frame 52 for fixing the air nozzle 51, and an air pump 53 for supplying air to the air nozzle 51. The air nozzle 51 is tubular as a whole, and the air outlet of the air nozzle 51 is arranged opposite to the discharging part 22. An air supply port of the air pump 53 is connected to the air nozzle 51 through a hose, and an electromagnetic valve of the air pump 53 is electrically connected to the control panel 14. The supporting frame 52 is bolted on the upper surface of the workbench 2, the upper end of the supporting frame 52 is bolted with a supporting block 521, and the vertical projection of the supporting block 521 and the discharging part 22 have overlapped parts.

Referring to fig. 2 and 3, in order to prevent the air nozzle 51 from colliding with the mold 3 in a moving state, the supporting block 521 is provided with an elevating block 54 that can elevate and lower the air nozzle 51 and a cylinder 55 for driving the elevating block 54 to elevate and lower. The lifting block 54 is located below the supporting block 521, a cylinder body of the air cylinder 55 is bolted to the upper surface of the supporting block 521, a piston rod of the air cylinder 55 penetrates through the supporting rod and is welded to the lifting block 54, and an electromagnetic valve of the air cylinder 55 is electrically connected to the control panel 14 (refer to fig. 1). The lower surface of the supporting block 521 is further welded with a limiting column 56, and the limiting column 56 is arranged in the vertical direction. The surface of the lifting block 54 is provided with a limiting hole 541 matched with the limiting column 56, and the limiting hole 541 is a through hole. When the cylinder 55 drives the lifting block 54 to ascend and descend, the lifting block 54 slides in the vertical direction along the stopper column 56. The air nozzle 51 is bolted to the lower surface of the lifting block 54, and when the mold 3 moves to the position of the discharging portion 22, the lifting block 54 drives the air nozzle 51 to descend in the direction approaching the molding surface 31, and continuously injects air to blow the finished product on the molding surface 31 into the discharging hole 32, so that the finished product falls into the collecting tray 15.

The working principle of the first embodiment of the application is as follows: the rotation of the rotary table 24 drives each mold 3 to move, and the interval time of the rotary table 24 can be set by the user through the control panel 14 every time the rotary table 24 rotates 90 degrees and stops for a period of time. As the rotary table 24 rotates, the respective dies 3 can be circulated through the operation section 21, the punching section 23, and the discharge section 22 in this order. For the mold 3 located on the operation part 21, at intervals, the user needs to remove the frame waste on the mold 3 and replace the raw material; for the die 3 on the punching part 23, in the interval time, the gas-liquid pressure cylinder 421 drives the pressure plate 41 to descend for punching, and after the punching operation is completed, the pressure plate 41 ascends; for the mold 3 located on the discharging part 22, the air cylinder 55 drives the air nozzle 51 to descend and the air nozzle 51 to blow air, and the air nozzle 51 moves to the set farthest distance and then ascends and stops blowing air in the interval time. In this way, each die 3 can sequentially complete feeding, stamping, finished product collection, waste material removal and re-feeding, and finished product collection in the work flow is completed through the air nozzle 51, so that the manual operation time is reduced, the operation of a user is facilitated, and the rotating interval time of the rotary table 24 is reduced, thereby improving the production efficiency.

Example 2

Referring to fig. 4 and 5, the present embodiment is different from embodiment 1 in that: the lifting block 54 is provided with a swing assembly 6 which can drive the air nozzle 51 to swing, and when the lifting block 54 is lifted, the air nozzle 51 can spray air at a plurality of positions through swinging. The elevating block 54 is provided with a driving shaft 61 for the air nozzle 51 to be hinged, and the driving shaft 61 is located right below the supporting block 521. The driving shaft 61 is vertically inserted through the elevating block 54 and rotatably connected to the elevating block 54. An eccentric rod 62 is welded to one end of the driving shaft 61 close to the lifting block 54, and the angle between the eccentric rod 62 and the driving shaft 61 is 90 °. The end of the air nozzle 51 close to the eccentric rod 62 is welded with a swing rod 511, and the swing rod 511 is coaxially connected with the air nozzle 51. The swing lever 511 has a spherical shape at an end close to the eccentric lever 62, and is connected to an end of the eccentric lever 62 remote from the drive shaft 61 by a joint bearing 621. The swing lever 511 rotates about the joint bearing 621, so that the axis of the swing lever 511 and the axis of the drive shaft 61 can form an inclination angle therebetween.

Referring to fig. 5, a positioning block 58 is welded to the lower surface of the elevator block 54, and an included angle between the positioning block 58 and the elevator block 54 is 90 °. The swing assembly 6 includes a positioning shaft 63 and a limit rod 64. The positioning shaft 63 is inserted through the positioning block 58 in a direction perpendicular to the positioning block 58 and is connected to the positioning block 58 through a rotary bearing. Two ends of the limiting rod 64 are respectively hinged with one end of the positioning shaft 63 far away from the positioning block 58 and the middle part of the air nozzle 51, and the whole limiting rod 64 is inclined downwards in the direction close to the air nozzle 51. The stopper rod 64 prevents the air nozzle 51 from being disengaged from the positioning shaft 63.

Referring to fig. 5, since the distance between the end of the driving shaft 61 close to the swing lever 511 and the end of the swing lever 511 close to the driving shaft 61 is fixed to the length of the limit lever 64, the distance between the end of the swing lever 511 close to the driving shaft 61 and the hinge point of the air nozzle 51 is fixed, and the distance between the hinge point of the air nozzle 51 and the hinge end of the positioning shaft 63 is fixed; when the driving shaft 61 rotates, the distance between the spherical end of the swing rod 511 and the hinged end of the positioning shaft 63 changes, at this time, the positioning shaft 63 and the positioning block 58 rotate, the two ends of the limiting rod 64 respectively rotate with the positioning shaft 63 and the air nozzle 51, and the air nozzle 51 rotates with the eccentric rod 62 through the swing rod 511, so that the air nozzle 51 swings integrally.

Referring to fig. 4 and 5, by swinging the air nozzle 51, the moving path of the air outlet of the air nozzle 51 is integrally formed into a curved surface, so as to increase the range of the air injection direction of the air nozzle 51, on one hand, the finished product can be forced from multiple directions, and can be more easily separated from the mold 3; on the other hand, the applicability of the air nozzle 51 to die cutting tools of dies 3 with different shapes is improved.

Referring to fig. 5 and 6, in order to enable the air nozzle 51 to swing during the descending process, a transmission assembly 7 is arranged between the lifting block 54 and the limiting rod 64. The transmission assembly 7 includes a driven gear 76 coaxially connected to the driving shaft 61, a second acceleration gear 75 meshed with the driven gear 76, a first acceleration gear 74 meshed with the second acceleration gear 75, a second swing bevel gear 73 coaxially connected to the first acceleration gear 74, a first swing bevel gear 72 meshed with the second swing bevel gear 73, and a driving gear 71 coaxially connected to the first bevel gear. One side of the limit column 56 close to the driving gear 71 is provided with a tooth space 561 along the vertical direction, and the driving gear 71 and the tooth space 561 rotate in a meshed manner. Wherein the driven gear 76 has an outer diameter smaller than that of the second acceleration gear 75, and the second acceleration gear 75 has an outer diameter smaller than that of the first acceleration gear 74.

Referring to fig. 5 and 6, the driving gear 71, the driven gear 76, the first accelerating gear 74, the second accelerating gear 75, the first swinging bevel gear 72 and the second swinging bevel gear 73 are all hinged to the lifting block 54, the lifting block 54 is provided with an accommodating groove 543 for accommodating the driving gear 71 and the first swinging bevel gear 72, and the accommodating groove 543 is communicated with the limiting hole 541.

Referring to fig. 5 and 6, when the lifting block 54 is lifted along the limiting post 56, the driving gear 71 rotates and drives the first swing bevel gear 72 to rotate, the first swing bevel gear 72 drives the second swing bevel gear 73 to rotate, the second swing bevel gear 73 drives the first accelerating gear 74 to rotate, the first accelerating gear 74 drives the second accelerating gear 75 to rotate, and the second accelerating gear 75 drives the driven gear 76 to rotate, so that the driving shaft 61 rotates, and the air nozzle 51 swings.

Referring to fig. 4, in this embodiment, in order to facilitate the user to take the finished products in the collecting tray 15, the collecting tray 15 is placed on one side of the supporting square plate 12, a conveying mechanism 8 for conveying the finished products to the collecting tray 15 is disposed below the worktable 2, and a linkage assembly 9 for operating the conveying mechanism 8 is disposed in the frame 1.

Referring to fig. 7 and 8, the conveying mechanism 8 includes a drive roller 81 located above the supporting square plate 12, a driven roller 82 located above the collecting tray 15, a conveying belt 83 connecting the drive roller 81 and the driven roller 82, and a fixing plate 84 supporting the drive roller 81 and the driven roller 82.

Referring to fig. 7 and 8, the number of the fixing plates 84 is 2, and the two fixing plates 84 are respectively attached to both sides of the conveyor belt 83; the lower surfaces of the fixing plates 84 are welded with connecting columns 841, and the connecting columns 841 are welded with the supporting square plate 12, so that the two fixing plates 84 and the supporting square plate 12 are relatively fixed; two ends of the driving roller 81 are respectively hinged with two fixing plates 84 through a driving shaft 811; the driven roller 82 is hinged at both ends thereof to the two fixing plates 84 through driven shafts 821, respectively. The upper surface of the conveyor belt 83 forms a conveying surface 831, a projection of the outlet end of the discharge port 221 in the vertical direction overlaps the conveying surface 831, and finished products falling from the discharge port 221 are conveyed along the conveyor belt 83 to the collecting tray 15. In order to prevent the finished products from separating from the conveying surfaces 831 from the two sides of the conveying belt 83 during the conveying process, a limiting plate 842 is welded on the upper surface of the fixing plate 84.

Referring to fig. 7 and 8, the linkage assembly 9 includes a second transmission bevel gear 93 coaxially connected to the driving shaft 811, a second transmission gear 92 engaged with the second transmission bevel gear 93 for transmission, a first transmission wheel 91 coaxially connected to the driving rod 241, and a transmission belt 94 connecting the first transmission wheel 91 and the second transmission gear 92. A second transfer bevel gear 93 is welded to one end of the driving shaft 811 penetrating the fixing plate 84. The first conveying bevel gear 932 is positioned below the second conveying bevel gear 93, the second driving wheel 92 is positioned below the first conveying bevel gear, and a connecting piece 931 is welded between the first conveying bevel gear 932 and the second driving wheel 92. The upper surface welding of bearing square plate 12 has fixing base 121, and the lower extreme of connecting piece 931 wears to locate second drive wheel 92 and is connected with fixing base 121 through rolling bearing, drives first transport bevel gear 932 and rotates in step when second drive wheel 92 rotates. The driving rod 241 is inserted into the first driving wheel 91 and welded to the first driving wheel 91.

Referring to fig. 7 and 8, when the driving rod 241 is driven by the servo motor 131 to rotate, the first driving wheel 91 drives the second driving wheel 92 to rotate, the second driving wheel 92 drives the first conveying bevel gear 932 to rotate, and the first conveying bevel gear 932 drives the second conveying bevel gear 93 to rotate, so that the driving roller 81 rotates, and the conveying belt 83 drives the finished product to move.

The implementation principle of 24 formula automatic punching machines of carousel of this application embodiment is: when the lifting block 54 drives the air nozzle 51 to lift, the air nozzle 51 continuously swings, so that the air nozzle 51 can spray air to the forming surface of the mold 3 from multiple directions, and on one hand, a finished product can be stressed from multiple directions and can more easily fall into the discharge hole 32; on the other hand, the applicability of the discharging mechanism 5 to die cutting tools with different shapes is improved. In an embodiment, the conveyor belt 83 may gradually transport the finished products to the collection tray 15 as the turntable 24 rotates, so that the finished products are collected by the user.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a carousel formula automatic punching machine which characterized in that: the stamping die comprises a workbench (2), a stamping mechanism (4) and a loading mechanism, wherein the loading mechanism comprises a turntable (24) and a power part (13) for driving the turntable (24) to rotate, and a plurality of circumferentially distributed dies (3) are arranged on the turntable (24); the automatic turntable punching machine also comprises a collecting disc (15) communicated with the forming surface (31) of each die (3) and a discharging mechanism (5) used for blowing finished products into the collecting disc (15); the upper surface of the workbench (2) is provided with an operation part (21) for manual operation, a stamping part (23) matched with the projection of the stamping mechanism (4) and a discharging part (22) matched with the projection of the discharging mechanism (5) around the turntable (24); when the rotary disc (24) rotates, the dies (3) sequentially pass through the operation part (21), the stamping part (23) and the discharging part (22); the discharging mechanism (5) comprises an air pump (53), an air nozzle (51) which is communicated with the air pump (53) and arranged above the discharging part (22), and a support frame (52) for fixing the air nozzle (51);

the discharging mechanism (5) further comprises a lifting block (54) which is connected with the supporting frame (52) in a sliding mode and drives the air nozzle (51) to lift in a translation mode, the supporting frame (52) is provided with an air cylinder (55) used for driving the lifting block (54) to move and a limiting column (56) having a limiting effect on the lifting block (54), and the lifting block (54) is provided with a limiting hole (541) which is connected with the limiting column (56) in a sliding mode;

the air nozzle (51) is hinged with the lifting block (54) through a driving shaft (61), and the lifting block (54) is provided with a transmission assembly (7) for driving the driving shaft (61) to rotate; the air nozzle (51) is provided with a swing rod (511) connected with the driving shaft (61), and an inclination angle is arranged between the swing rod (511) and the driving shaft (61);

the lifting block (54) is provided with a positioning block (58), the positioning block (58) is provided with a swinging assembly (6) which is used for being matched with the driving shaft (61) to enable the air nozzle (51) to swing, the swinging assembly (6) comprises a positioning shaft (63) hinged with the positioning block (58) and a limiting rod (64) used for limiting the distance between the air nozzle (51) and the positioning shaft (63), one end of the limiting rod (64) is hinged with the positioning shaft (63), and the other end of the limiting rod (64) is hinged with the air nozzle (51); an eccentric rod (62) is arranged between the driving shaft (61) and the swinging rod (511), one end of the eccentric rod (62) is fixedly connected with the driving shaft (61), and the other end of the eccentric rod (62) is connected with the swinging rod (511) through a joint bearing (621).

2. The carousel automatic punch press of claim 1, wherein: still include frame (1), ejection of compact portion (22) are provided with the intercommunication discharge gate (221) of mould (3) profile (31), discharge gate (221) intercommunication catch tray (15), frame (1) are provided with and follow the finished product discharge gate (221) are transported to conveying mechanism (8) of catch tray (15).

3. The carousel automatic punch press of claim 2, wherein: the conveying mechanism (8) comprises a driving roller (81) which is positioned below the discharge port (221) and hinged with the rack (1), a driven roller (82) which is positioned above the collecting disc (15) and hinged with the rack (1) and a conveying belt (83) which is used for linking the driving roller (81) with the driven roller (82), and a conveying surface (831) for conveying finished products is formed on the upper surface of the conveying belt (83); carousel (24) be provided with be used for with actuating lever (241) that power piece (13) are connected, actuating lever (241) with be provided with linkage subassembly (9) between drive roll (81).

4. The carousel automatic punch press of claim 3, wherein: the linkage assembly (9) comprises a second conveying bevel gear (93) for driving the driving roller (81) to rotate, a first conveying bevel gear (932) meshed with the second conveying bevel gear (93), a second transmission wheel (92) for driving the first conveying bevel gear (932) to rotate, and a first transmission wheel (91) for driving the second transmission wheel (92) to rotate; the first driving wheel (91) is coaxially connected with the driving rod (241), and a driving belt (94) is arranged between the first driving wheel (91) and the second driving wheel (92).

5. The carousel automatic punch press of claim 3, wherein: and limiting plates (842) used for preventing the finished products from being separated from the conveying surface (831) are respectively arranged on two sides of the conveying belt (83).

6. The carousel automatic punch press of claim 1, wherein: a tooth groove (561) is formed in the side face of the limiting column (56) along the length direction of the limiting column, and the transmission assembly (7) comprises a driven gear (76) for driving the driving shaft (61) to rotate, a second swing bevel gear (73) for driving the driven gear (76) to rotate, a first swing bevel gear (72) meshed with the second swing bevel gear (73), and a driving gear (71) for driving the first swing bevel gear (72) to rotate; the driving gear (71) is hinged with the lifting block (54) and is in meshed transmission with the tooth grooves (561).