CN113579037A

CN113579037A - Multi-station punching machine

Info

Publication number: CN113579037A
Application number: CN202110862966.6A
Authority: CN
Inventors: 王盛; 白鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2021-11-02

Abstract

The invention relates to a multi-station punching machine which comprises a rack, a machine base, a sliding rail, a motor, a first gear shaft, a first gear, a second gear, a third gear, a first punching device, a second punching device and a third punching device, wherein the rack is fixedly connected to the machine base, the sliding rail is fixedly connected to the rack, the sliding rail is in sliding connection with the motor, the motor is fixedly connected to the first gear shaft, the first gear shaft is provided with the first gear, the second gear and the third gear, the first gear, the second gear and the third gear are respectively matched with the first punching device, the second punching device and the third punching device, and the first punching device, the second punching device and the third punching device are driven to punch downwards. The first stamping device, the second stamping device and the third stamping device are controlled to be matched with the first gear, the second gear and the third gear through the movement of the first gear shaft, so that the punching machine is suitable for stamping workpieces in different stamping procedures.

Description

Multi-station punching machine

Technical Field

The invention relates to the field of stamping equipment, in particular to a multi-station stamping machine.

Background

Stamping is a common processing technique in plastic part processing, and external force is applied to a light and thin plate-shaped strip material by a punch and a die to enable the strip material to generate plastic deformation or separation, so that a stamping part with required shape and size is obtained. The multi-station punching machine is mostly used for simultaneously punching downwards by a plurality of punching machines, and the punching of a punching part which only needs a few punching processes can not be realized.

Nowadays, a multi-station punching machine which solves the technical problem through electric control also appears, but the multi-station punching machine is expensive and only suitable for large-scale manufacturers. For some factories with small production scale, the production cost needs to be considered firstly, and the electric control stamping machine is high in price and cannot meet the production and use requirements of the factories.

In view of this, in order to solve the above technical problems, the present invention provides a multi-station stamping press.

Disclosure of Invention

The invention aims to solve the technical problem of how to work different numbers of stamping devices according to different processing procedures required by a workpiece.

In order to achieve the above purpose, the invention provides a multi-station punching machine, which comprises a frame, a machine base, a first slide rail, a motor, a first gear shaft, a first gear, a second gear, a third gear, a first punching device, a second punching device and a third punching device, wherein the frame is fixedly connected to the machine base, the first slide rail is fixedly connected to the frame, the first slide rail is slidably connected to the motor, the motor is fixedly connected to one end of the first gear shaft, the first gear, the second gear and the third gear are fixedly arranged on the first gear shaft, the tooth widths of the first gear, the second gear and the third gear are gradually reduced, the intervals between every two of the first gear, the second gear and the third gear are gradually increased, and the first gear, the second gear and the third gear are respectively matched with the first punching device, the second punching device and the third punching device, and driving the first stamping device, the second stamping device and the third stamping device to stamp downwards.

Preferably, be equipped with stamping device, No. two stamping device and No. three stamping device in the frame, frame and stamping device, stamping device and No. two stamping device, No. two stamping device and No. three stamping device and frame all pass through telescopic link mutual fixed connection.

Preferably, the first stamping device comprises a shell, a second gear shaft, a third gear shaft, a first eccentric gear, a second eccentric gear, a connecting frame, a stamping rod, a first air cylinder and a second air cylinder, two sides of the inner surface of the shell are rotatably connected with two ends of the second gear shaft and the third gear shaft, the middle of the second gear shaft is fixedly connected with the first eccentric gear, the middle of the second gear shaft is fixedly connected with the second eccentric gear, the first eccentric gear is meshed with the second eccentric gear, two ends of the third gear shaft are rotatably connected onto the connecting frame, the middle of the lower surface of the connecting frame is fixedly connected with the stamping rod, two sides of the lower surface of the connecting frame are fixedly connected with the first air cylinder and the second air cylinder, the first air cylinder and the second air cylinder are respectively positioned at two sides of the stamping rod, and the first air cylinder is fixedly connected at one end of the first air guide tube, the one end fixed connection of an air duct is on No. three cylinders, fixed connection is in the one end of No. two air ducts on No. two cylinders, the one end fixed connection of No. two air ducts is on No. four cylinders, No. three cylinders and No. four cylinders are located the die holder both sides respectively, be equipped with a spring and No. two springs in No. three cylinders and No. four cylinders, a spring and No. two springs all be in between piston and the cylinder upside inner wall and with piston and cylinder upside inner wall fixed connection.

Preferably, the diameters of the first air duct and the second air duct are gradually increased from the end a to the end b.

Preferably, the upper ends of the piston rods of the third cylinder and the fourth cylinder are fixedly connected with suckers.

Preferably, the upper surface of the sucker is of a structure with a plurality of concave surfaces.

The invention has the following beneficial effects:

1. according to the multi-station punching machine, the first punching device, the second punching device and the third punching device are controlled to be respectively matched with the first gear, the second gear and the third gear through the movement of the first gear shaft, so that the punching effects of different punching processes required by different punching parts are realized.

2. According to the multi-station punching machine, the interval between the frame, the first punching device, the second punching device and the third punching device is adjusted through the telescopic rods, so that the punching machine achieves the effect of being suitable for punching parts with different lengths.

3. According to the multi-station punching machine, the first air guide pipe and the second air guide pipe are arranged to be gradually increased in diameter from the end a to the end b, so that air pressure difference is generated inside the first air guide pipe and the second air guide pipe, and a stamped part is prevented from being damaged in the punching process.

4. According to the multi-station punching machine, the suckers are fixedly connected to the piston rods in the third cylinder and the fourth cylinder, and in the process of punching a workpiece, the piston rods in the third cylinder and the fourth cylinder drive the suckers to move upwards so as to be matched with a punching rod which punches downwards, so that the opposite punching effect is achieved.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a general schematic view of the press of the present invention;

FIG. 2 is a schematic view of a stamping apparatus of the present invention;

FIG. 3 is a schematic diagram of the movement of the punching device of the present invention;

FIG. 4 is a half sectional view of the die holder of the present invention;

figure 5 is a schematic view of the suction cup of the present invention.

In the figure: the automatic stamping device comprises a frame 1, a machine base 2, a sliding rail 3, a motor 4, a gear shaft 5, a gear 6, a gear 7, a gear 8, a stamping device 9, a shell 91, a gear shaft 92, a gear shaft 93, an eccentric gear 94, an eccentric gear 95, a connecting frame 96, a stamping rod 97, a cylinder 98, a cylinder 99, a stamping device 10, a stamping device 11, an air duct 12, an air duct 13, a cylinder 14, a spring 151, a cylinder 15, a spring 161, a die holder 16, an expansion link 17 and a sucker 18.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

The invention provides a multi-station punching machine which comprises a machine frame 1, a machine base 2, a first sliding rail 3, a motor 4, a first gear shaft 5, a first gear 6, a second gear 7, a third gear 8, a first punching device 9, a second punching device 10 and a third punching device 11, wherein the machine frame 1 is fixedly connected to the machine base 2, the first sliding rail 3 is fixedly connected to the machine frame 1, the first sliding rail 3 is slidably connected with the motor 4, the motor 4 is fixedly connected to one end of a first gear 6 shaft, the first gear 6, the second gear 7 and the third gear 8 are fixedly connected to the first gear 6 shaft, the tooth widths of the first gear 6, the second gear 7 and the third gear 8 are gradually reduced, the intervals between every two first gear 6, the second gear 7 and the third gear 8 are gradually increased, the first gear 6, the second gear 7 and the third gear 8 are respectively connected with the first punching device 9 and the third punching device 9, The second stamping device 10 is matched with the third stamping device 11, so that the first stamping device 9, the second stamping device 10 and the third stamping device 11 are driven to stamp downwards, the first gear 6, the second gear 7 and the third gear 8 are identical in other parameters except for different tooth widths and can be meshed with the first stamping device 9, the second stamping device 10 and the third stamping device 11, and the first stamping device 9, the second stamping device 10 and the third stamping device 11 are identical.

When a multi-station punching machine in a small and medium-sized enterprise needs to process a plastic thin piece and only needs one punching process, the starting motor 4 drives the first gear shaft 5 to rotate, the first punching device 9 works by matching the first gear 6 with the first punching device 9, and the second punching device 10 and the third punching device 11 do not work because the second gear 7 and the third gear 8 are not matched with the second punching device 10 and the third punching device 11; when a thin plastic stamping part needing to be processed needs two stamping processes, the motor 4 connected to the first sliding rail 3 in a sliding mode is pushed to move towards the first stamping device 9, the first gear shaft 5 is driven to move by the movement of the motor 4, the first gear 6 and the second gear 7 are matched with the first stamping device 9 and the second stamping device 10 respectively, and therefore the first stamping device 9 and the second stamping device 10 work simultaneously, the third gear 8 is not matched with the third stamping device 11, and the third stamping device 11 does not work; when the stamping part to be processed needs three stamping processes, the motor 4 is continuously pushed to move, and at the moment, the first gear 6, the second gear 7 and the third gear 8 are respectively matched with the first stamping device 9, the second stamping device 10 and the third stamping device 11, so that the first stamping device 9, the second stamping device 10 and the third stamping device 11 all work simultaneously; the first punching device 9, the second punching device 10 and the third punching device 11 are controlled to be matched with the first gear 6, the second gear 7 and the third gear 8 or not through the movement of the first gear shaft 5, so that the punching machine is suitable for punching workpieces with different punching processes, if the workpiece to be punched only needs one-step punching process, the first punching device 9 only needs to be matched with the first punching device 6 to realize the work of the first punching device 9, if the workpiece to be punched needs two-step punching process, the first punching device 9 and the second punching device 10 need to be punched simultaneously, and if the workpiece to be punched needs three-step punching process, the first punching device 9, the second punching device 10 and the third punching device 11 need to be punched simultaneously.

As a specific embodiment of the present invention, the first punching device 9 includes a housing 91, a second gear shaft 92, a third gear shaft 93, a first eccentric gear 94, a second eccentric gear 95, a connecting frame 96, a punching rod 97, a first air cylinder 98 and a second air cylinder 99, two sides of an inner surface of the housing 91 are rotatably connected to two ends of the second gear shaft 92 and the third gear shaft 93, the first eccentric gear 94 is fixedly connected to a middle portion of the second gear shaft 92, the second eccentric gear 95 is fixedly connected to a middle portion of the second gear shaft 92, the first eccentric gear 94 is engaged with the second eccentric gear 95, two ends of the third gear shaft 93 are rotatably connected to the connecting frame 96, the punching rod 97 is fixedly connected to a middle portion of a lower surface of the connecting frame 96, a first air cylinder 98 and a second air cylinder 99 are fixedly connected to two sides of a lower surface of the connecting frame 96, the first air cylinder 98 and the second air cylinder 99 are respectively located at two sides of the punching rod 97, one side fixed connection of a cylinder 98 is in the one end of an air duct 12, one side fixed connection of No. two cylinders 99 is in the one end of No. two air ducts 13, the other end of an air duct 12 and No. two air ducts 13 is fixed connection respectively in one side of No. three cylinders 14 and No. four cylinders 15, No. three cylinders 14 and No. four cylinders 15 are located 16 interior both sides of die holder respectively, 16 below of die holder is equipped with the electromagnetism guide rail, the removal end and the 16 fixed connection of die holder of electromagnetism guide rail, the stiff end and the 2 fixed connection of frame of electromagnetism guide rail.

When the punching machine starts to punch a plastic thin piece to be punched, the first gear shaft 5 is driven to rotate by the starting motor 4, the first gear shaft 5 drives the first gear 6 to rotate, the first gear 6 drives the first eccentric gear 94 to rotate by meshing, the first eccentric gear drives the second eccentric gear 95 to rotate by meshing, the second eccentric gear 95 drives the connecting frame 96 to move downwards by the third gear shaft 93, the connecting frame 96 pushes the piston rods of the first air cylinder 98 and the second air cylinder 99 to move downwards, the piston rods extrude air in the first air cylinder 98 and the second air cylinder 99 to move into the third air cylinder 14 and the fourth air cylinder 15 through the first air duct 12 and the second air duct 13 respectively, the air pushes the piston rods of the third air cylinder 14 and the fourth air cylinder 15 to move upwards simultaneously to push a workpiece upwards, the connecting frame 96 drives the punching rod 97 to push downwards, so that the mutual punching effect is formed, bringing more economic benefits for small and medium-sized enterprises.

As a specific embodiment of the invention, a first stamping device 9, a second stamping device 10 and a third stamping device 11 are arranged in the frame 1, and the frame 1 and the first stamping device, the first stamping device 9 and the second stamping device 10, the second stamping device 10 and the third stamping device 11, and the third stamping device 11 and the frame 1 are all fixedly connected with each other through an expansion link 17;

when small enterprises need to stamp plastic thin pieces with different lengths, when the length of the plastic thin piece to be stamped exceeds the distance between the first stamping device 9 and the second stamping device 10, and the distance between the second stamping device 10 and the third stamping device 11, in order to complete the processing of a workpiece, the length of the telescopic rod 17 is adjusted through rotation, so that the distance between the first stamping device 9 and the second stamping device 10 which are fixedly connected to two ends of the telescopic rod 17, and the distance between the second stamping device 10 and the third stamping device 11 are adjusted to adapt to the length of the plastic thin piece to be stamped, and the processing is convenient; the distance between the frame 1, the first punching device 9, the second punching device 10 and the third punching device 11 is changed through adjusting the length of the telescopic rod 17, and the die holder 16 is adjusted to be located on the same central line with the first punching device 9, so that the punching machine is suitable for thin plastic parts with different lengths, and the types of the workpieces which can be punched by the punching machine are increased.

As a specific embodiment of the invention, the diameters of the first air duct 12 and the second air duct 13 are gradually increased from the end a to the end b.

When the punching machine starts to punch a thin plastic piece to be punched, the diameters of the end a to the end b of the first air duct 12 and the second air duct 13 are gradually increased, so that the first air duct 12 and the second air duct 13 generate a pressure relief effect from the end a to the end b, the speed of pushing the workpiece upwards by the piston rods of the third air cylinder 14 and the fourth air cylinder 15 is consistent with the speed of pushing the workpiece downwards by the punching rod 97, and the workpiece is prevented from being damaged during punching due to the fact that the piston rods push the workpiece upwards too early.

As a specific embodiment of the present invention, the suction cups 18 are fixedly connected to the third cylinder 14 and the fourth cylinder 15.

In one embodiment of the present invention, the upper surface of the suction cup 18 has a plurality of concave surfaces.

When the punching machine begins to punch a plastic thin part to be punched, when pistons of the third air cylinder 14 and the fourth air cylinder 15 push the workpiece upwards, the workpiece is easy to move, the suction cups 18 are mounted at the upper ends of piston rods of the third air cylinder 14 and the fourth air cylinder 15, the suction cups 18 suck the workpiece to ensure that the workpiece cannot move during machining, the workpiece is fixed, the upper surface of each suction cup 18 is of a concave structure, and the adsorbability of each suction cup 18 is improved.

The working principle is as follows: when a multi-station punching machine in a small and medium-sized enterprise needs to process thin plastic parts only by one punching process, a first gear shaft 5 is driven to rotate by a starting motor 4, the first gear shaft 5 drives a first gear 6 to rotate, the first gear 6 drives a first eccentric gear 94 to rotate by meshing, the first eccentric gear drives a second eccentric gear 95 to rotate by meshing, the second eccentric gear 95 drives a connecting frame 96 to move downwards by a third gear shaft 93, the connecting frame 96 pushes piston rods of a first air cylinder 98 and a second air cylinder 99 to move downwards, the piston rods extrude air in the first air cylinder 98 and the second air cylinder 99 to pass through a first air duct 12 and a second air duct 13 to a third air cylinder 14 and a fourth air cylinder 15 respectively, the air pushes the piston rods of the third air cylinder 14 and the fourth air cylinder 15 to move upwards simultaneously, the connecting frame 96 drives a punching rod 97 to push downwards, and one-time opposite punching is completed, the second punching device 10 and the third punching device 11 do not work because the second gear 7 and the third gear 8 are not matched with the second punching device 10 and the third punching device 11; the motor 4 connected to the first sliding rail 3 in a sliding mode is pushed to move towards the first stamping device 9, the first gear shaft 5 is driven to move by the movement of the motor 4, the first gear 6 and the second gear 7 are respectively matched with the first stamping device 9 and the second stamping device 10 at the moment, and therefore the first stamping device 9 and the second stamping device 10 work simultaneously, the third gear 8 is not matched with the third stamping device 11, and the third stamping device 11 does not work; when the stamping part needing to be processed needs three stamping processes, the motor 4 is continuously pushed to move, and at the moment, the first gear 6, the second gear 7 and the third gear 8 are respectively matched with the first stamping device 9, the second stamping device 10 and the third stamping device 11, so that the first stamping device 9, the second stamping device 10 and the third stamping device 11 all work simultaneously.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a multistation punching machine, includes frame (1), frame (2), slide rail (3), motor (4), a gear shaft (5), a gear (6), No. two gear (7), No. three gear (8), stamping device (9), No. two stamping device (10) and No. three stamping device (11), its characterized in that: frame (1) fixed connection is on frame (2), slide rail (3) of fixedly connected with on frame (1), slide rail (3) and motor (4) sliding connection, motor (4) fixed connection is in the one end of a gear (6) axle, the epaxial fixedly connected with gear (6) of a gear (6), No. two gears (7) and No. three gears (8), the tooth width of a gear (6), No. two gears (7) and No. three gears (8) reduces gradually, the interval between two liang of a gear (6), No. two gears (7) and No. three gears (8) increases gradually, a gear (6), No. two gears (7) and No. three gears (8) cooperate with a stamping device (9), No. two stamping device (10) and No. three stamping device (11) respectively to realize driving a stamping device (9), The second stamping device (10) and the third stamping device (11) stamp downwards.

2. The multi-station stamping press according to claim 1, wherein: be equipped with stamping device (9) No. one in frame (1), stamping device (10) and stamping device (11) No. three, frame (1) and stamping device, stamping device (9) and stamping device (10) No. two, stamping device (10) and stamping device (11) No. three, stamping device (11) and frame (1) all through telescopic link (12) mutual fixed connection.

3. The multi-station stamping press according to claim 1, wherein: the first stamping device (9) comprises a shell (91), a second gear shaft (92), a third gear shaft (93), a first eccentric gear (94), a second eccentric gear (95), a connecting frame (96), a stamping rod (97), a first air cylinder (98) and a second air cylinder (99), wherein two sides of the inner surface of the shell (91) are rotatably connected with two ends of the second gear shaft (92) and the third gear shaft (93), the middle part of the second gear shaft (92) is fixedly connected with the first eccentric gear (94), the middle part of the second gear shaft (92) is fixedly connected with the second eccentric gear (95), the first eccentric gear (94) is meshed with the second eccentric gear (95), two ends of the third gear shaft (93) are rotatably connected onto the connecting frame (96), and the middle part of the lower surface of the connecting frame (96) is fixedly connected with the stamping rod (97), the utility model discloses a pneumatic die cushion for the automobile seat, including link (96) lower surface both sides fixedly connected with cylinder (98) and No. two cylinder (99), cylinder (98) and No. two cylinder (99) are located the both sides of stamping rod (97) respectively, one side fixed connection of cylinder (98) is in the one end of air duct (13) No. one, one side fixed connection of No. two cylinder (99) is in the one end of No. two air duct (14), the other end of air duct (13) and No. two air duct (14) is fixed connection respectively in one side of No. three cylinder (15) and No. four cylinder (16), No. three cylinder (15) and No. four cylinder (16) are located die holder 17 both sides respectively, be equipped with No. one spring (151) and No. two spring (161) in No. three cylinder (15) and No. four cylinder (16).

4. The multi-station stamping press according to claim 4, wherein: the diameters of the first air duct (13) and the second air duct (14) are gradually increased from the end a to the end b.

5. The multi-station stamping press according to claim 4, wherein: and the third cylinder (15) and the fourth cylinder (16) are fixedly connected with suckers (18).

6. The multi-station stamping press according to claim 5, wherein: the upper surface of the sucker (18) is of a structure with a plurality of concave surfaces.