CN213997389U

CN213997389U - Stamping lifting mechanism of servo stamping machine

Info

Publication number: CN213997389U
Application number: CN202022994504.3U
Authority: CN
Inventors: 谢攀禧; 邓维楚
Original assignee: Shenzhen Gnbo Automation Equipment Co ltd
Current assignee: Shenzhen Gnbo Automation Equipment Co ltd
Priority date: 2020-12-14
Filing date: 2020-12-14
Publication date: 2021-08-20
Anticipated expiration: 2030-12-14

Abstract

The utility model discloses a punching lifting mechanism of a servo punching machine, which comprises a punching bottom plate, a punching assembly and a punching driving device for driving the punching assembly to move up and down, wherein the punching bottom plate is positioned below the punching assembly, the punching assembly comprises a punching lifting plate and a cutting die assembly, the upper surface of the punching lifting plate is fixedly connected with the punching driving device, and the lower surface of the punching lifting plate is fixedly connected with the cutting die assembly; the upper surface of the die-cut bottom plate is fixedly and vertically provided with a guide rod, and the die-cut lifting plate is connected with the guide rod in a limiting and sliding manner through a linear bearing. Compare current punching press elevating system, the utility model discloses set up the guide arm on the punching press bottom plate, die-cut lifter plate and guide arm sliding connection for cutting die subassembly is fixed with die-cut drive arrangement relative position, and difficult wearing and tearing or not hard up, has prolonged the life of cutting die, has improved the precision of stamping process, has reduced the defective rate.

Description

Stamping lifting mechanism of servo stamping machine

Technical Field

The utility model relates to a stamping equipment technical field especially relates to a punching press elevating system of servo punching machine.

Background

The stamping is a forming method in which a press and a die are used to apply external force to a plate, a strip, a pipe, a profile, etc. to cause plastic deformation or separation, thereby obtaining a workpiece (stamped part) of a desired shape and size.

In the existing stamping structure of the stamping equipment, a cutting die is directly connected with a driving device, and because the force acting on the cutting die is very large during stamping, the joint of the cutting die and the driving device is easy to wear and loosen along with the lapse of time, so that the stamping precision is reduced, and the reject ratio is increased; on the other hand, the cutter die is easy to break down due to looseness of the cutter die and the driving device, and the service life of the cutter die is shortened.

SUMMERY OF THE UTILITY MODEL

To the not enough of above-mentioned prior art, the utility model provides a punching press mechanism of servo punching machine to specifically provide following technical scheme:

a punching lifting mechanism of a servo punching machine comprises a punching bottom plate, a punching assembly and a punching driving device for driving the punching assembly to move up and down, wherein the punching bottom plate is positioned below the punching assembly, the punching assembly comprises a punching lifting plate and a cutting die assembly, the upper surface of the punching lifting plate is fixedly connected with the punching driving device, and the lower surface of the punching lifting plate is fixedly connected with the cutting die assembly; the upper surface of the die-cut bottom plate is fixedly and vertically provided with a guide rod, and the die-cut lifting plate is connected with the guide rod in a limiting and sliding manner through a linear bearing.

Further, die-cut drive arrangement includes servo motor and die-cut lead screw, die-cut lead screw one end with servo motor's pivot is connected, the other end with die-cut lifter plate fixed connection.

Furthermore, the punching driving device further comprises a punching speed reducer, a coupler and a screw rod bearing block, wherein one end of the punching speed reducer is connected with a rotating shaft of the servo motor, the other end of the punching speed reducer is connected with one end of the coupler, the other end of the coupler is connected with the punching screw rod, and the other end of the punching screw rod is fixedly connected with the punching lifting plate; the screw rod bearing block is sleeved on the outer side of the coupler, and one end of the screw rod bearing block is fixedly connected with the punching speed reducer.

Further, still include die-cut upper plate, die-cut upper plate with the guide arm is kept away from the one end fixed connection of die-cut bottom plate, die-cut lifter plate is located die-cut upper plate with between the die-cut bottom plate, the one end of die-cut lead screw from top to bottom passes behind the die-cut upper plate with die-cut lifter plate fixed connection, the lead screw bearing frame is kept away from the one end of die-cut speed reducer with die-cut upper plate fixed connection.

Further, die-cut bottom plate upper surface is equipped with cutting die lower bolster, the cutting die subassembly includes cutting die upper bolster and cutting die, the upper surface of cutting die upper bolster with the lower fixed surface of die-cut lifter plate is connected, the lower surface of cutting die upper bolster with cutting die fixed connection.

Furthermore, the number of the guide rods is four, and the guide rods are distributed at four corners of the upper punching plate in an array mode.

Compare current punching press elevating system, the utility model discloses set up the guide arm on the punching press bottom plate, die-cut lifter plate and guide arm sliding connection for cutting die subassembly is fixed with die-cut drive arrangement relative position, and difficult wearing and tearing or not hard up, has prolonged the life of cutting die, has improved the precision of stamping process, has reduced the defective rate.

Drawings

Fig. 1 is a schematic structural view of the CCD positioning servo punch of the present invention;

fig. 2 is a schematic diagram of the structure of the air suction platform mechanism and the three-axis servo positioning of the present invention;

FIG. 3 is a schematic view of the dual camera positioning mechanism of the present invention;

FIG. 4 is a schematic view of the elevating punching mechanism of the present invention;

fig. 5 is a schematic structural view of the punching driving device of the present invention.

Detailed Description

To further illustrate the technical means and technical effects of the present invention, the following describes a preferred embodiment of the present invention with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1, a CCD positioning servo punch comprises a base 1, an air suction platform mechanism 2, a material pulling mechanism 3, a main material position adjusting mechanism and a punching lifting mechanism 4. The material pulling mechanism 3 is connected with the machine base 1, and the material pulling mechanism 3 is used for feeding main materials to the upper part of the air suction platform mechanism 2 according to a set distance. The air suction platform mechanism 2 is connected with the material pulling mechanism 3, and the air suction platform mechanism 2 is used for sucking the main material when the main material is punched, so that the main material is prevented from moving. The stamping lifting mechanism 4 and the main material position adjusting mechanism are respectively and fixedly connected with the machine base 1, and the main material position adjusting mechanism is used for judging and adjusting the position of the main material in the stamping lifting mechanism 4. The stamping lifting mechanism 4 is connected with the main material position adjusting mechanism and used for carrying out accurate deep punching on the main material in the stamping lifting mechanism 4.

The punching process of the punching machine is as follows: the material pulling mechanism 3 feeds the coiled material main material onto the air suction platform mechanism 2 according to the distance set by the punching machine, and the main material passes through the punching lifting mechanism 4 to be pre-positioned; the main material position adjusting mechanism acquires the position of the main material in the stamping lifting mechanism 4, and adjusts the position of the main material in the stamping lifting mechanism 4 to enable the main material to be in an accurate punching position; after the main material is adjusted to the punching position, the air suction platform mechanism 2 starts to work to adsorb the main material so that the main material cannot move; the punching lifting mechanism 4 is pressed down to accurately punch the main material in the punching lifting mechanism 4.

As shown in fig. 2-3, the material pulling mechanism 3 includes a material pulling roller 31 and a material pulling servo motor for driving the material pulling roller to rotate, the material pulling servo motor is fixed on the base, the material pulling roller 31 is fixed on the base 1 through a support 32, and a transmission shaft of the material pulling servo motor is connected with the material pulling roller 31. The material pulling servo motor drives the material pulling roller 31 to rotate, and the main material roll-to-roll material pulling is realized according to a set distance. The air suction platform mechanism 2 comprises a left air suction plate 21 and a right air suction plate 22, the left air suction plate 21 and the right air suction plate 22 are fixedly connected with the machine base 1 respectively, and the left air suction plate 21 and the right air suction plate 22 are located on two sides of the stamping lifting mechanism 4 respectively.

The main material position adjusting mechanism comprises a three-axis servo positioning structure 5 and a camera positioning mechanism 6, the three-axis servo positioning structure 5 is located below the stamping lifting mechanism 4 and is fixedly connected with the stamping lifting mechanism 4, and the three-axis servo positioning structure 5 is used for moving the main material in the stamping lifting mechanism 4 to a punching position. The three-axis servo positioning structure 5 comprises a connecting plate 51 and an adjusting and moving mechanism, the adjusting and moving mechanism drives the connecting plate 51 to move, and the connecting plate 51 is fixedly connected with the stamping lifting mechanism 4; the adjusting and moving mechanism comprises an X-axis moving module for driving the connecting plate 51 to move left and right, a Y-axis moving module for driving the connecting plate to move front and back, and a C-axis moving module for driving the connecting plate to rotate. The X-axis moving module comprises an X-axis servo motor and an X-axis moving screw rod, and the X-axis moving screw rod is respectively connected with the X-axis servo motor and the connecting plate; the Y-axis moving module comprises a Y-axis servo motor and a Y-axis moving screw rod, and the Y-axis moving screw rod is respectively connected with the Y-axis servo motor and the connecting plate; the C-axis moving module comprises a C-axis servo motor 52 and a C-axis moving screw 53, and the C-axis moving screw 53 is respectively connected with the C-axis servo motor 52 and the connecting plate 51. The camera positioning mechanism 6 is positioned on one side of the three-axis servo positioning structure 5 and is fixedly connected with the machine base 1, and the camera positioning mechanism 6 is used for judging the position of the main material in the stamping lifting mechanism 4. The camera positioning mechanism 6 comprises two cameras 61, a supporting seat 62, two camera supports 63, a camera adjusting motor 64 and a camera adjusting screw 65, the supporting seat 62 is fixedly connected with the machine base 1, the two cameras 61 are respectively fixedly connected with the two camera supports 63, the cameras 61 are used for photographing main materials in the stamping lifting mechanism 4 and determining the position of the main materials in the stamping lifting mechanism 4, the two camera supports 63 are respectively fixedly connected with the camera adjusting screw 65, the camera adjusting screw 65 is in limit connection with the supporting seat 62, and a transmission shaft of the camera adjusting motor 64 is connected with the camera adjusting screw 65; according to different specifications of products, the positions of the two cameras are adjusted through the camera adjusting motor 64 and the camera adjusting screw 65, the camera adjusting motor 64 drives the camera adjusting screw 64 to rotate, and the camera adjusting screw 64 drives the two camera supports 63 to move, so that the positions of the two cameras 61 are adjusted.

As shown in fig. 4-5, the punching lifting mechanism 4 includes a punching bottom plate 41, a punching lifting plate 42, a punching upper plate 43, and a punching driving device, wherein the lower surface of the punching bottom plate 41 is fixedly connected to the upper surface of a connecting plate 51 of the three-axis servo positioning structure 5, four guide rods 44 are vertically arranged on the upper surface of the punching bottom plate 41, the other ends of the guide rods 44 are fixedly connected to the punching upper plate 43, and the four guide rods 44 are distributed at four corners of the punching upper plate 43 in an array manner. The punching lifting plate 42 is positioned between the punching bottom plate 41 and the punching upper plate 43, and is respectively in limited sliding connection with four guide rods 44 through linear bearings 45, the upper surface of the punching lifting plate 42 is fixedly connected with a punching driving device, and the lower surface of the punching lifting plate 42 is fixedly provided with a cutting die assembly. The punching driving device comprises a punching motor 46, a punching speed reducer 47, a coupler 48 and a punching screw 49 which are sequentially connected in a transmission manner, a screw shaft bearing 410 is sleeved on the outer side of the coupler 48, one end of the screw shaft bearing 410 is fixedly connected with the punching speed reducer 47, and the other end of the screw shaft bearing is fixedly connected with the punching upper plate 43. One end of the punching screw rod 49, which is far away from the coupler 48, penetrates through the punching upper plate 43 from top to bottom and is fixedly connected with the punching lifting plate 42. A cutting die lower backing plate 411 is fixedly arranged on the punching bottom plate 41, the cutting die assembly comprises a cutting die upper backing plate 412 and a cutting die, the upper surface of the cutting die upper backing plate 412 is fixedly connected with the lower surface of the punching lifting plate 42, and the lower surface of the cutting die upper backing plate 412 is fixedly connected with the cutting die.

The specific working process is as follows:

1. the material pulling servo motor drives the material pulling roller 31 to rotate, and the main material is pulled above the air suction platform mechanism 2 according to a set distance; the main material passes through the inside of the stamping lifting mechanism 4, so that roll-to-roll material pulling is realized.

2. The camera positioning mechanism 6 photographs the main material in the punching and lifting mechanism 4 to obtain the position of the main material; the three-axis servo positioning structure 5 drives the X-axis moving module, the Y-axis moving module and the C-axis moving module to adjust the position of the main material in the punching lifting mechanism 4, so that the main material is positioned at an accurate punching position.

3. The left air suction plate 21 and the right air suction plate 22 work to adsorb the main material and prevent the main material from moving out of position.

4. The punching lifting mechanism 4 starts to work, the punching motor 46 drives the punching lifting plate 42 to move downwards, and the cutting die presses downwards to punch the main material.

5. After punching, the punching motor 46 drives the punching lifting plate 42 to ascend, the cutting die leaves the main material, and a punched product is taken out.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. The punching lifting mechanism of the servo punching machine is characterized by comprising a punching bottom plate, a punching assembly and a punching driving device for driving the punching assembly to move up and down, wherein the punching bottom plate is positioned below the punching assembly;

the upper surface of the die-cut bottom plate is fixedly and vertically provided with a guide rod, and the die-cut lifting plate is connected with the guide rod in a limiting and sliding manner through a linear bearing.

2. The punching elevating mechanism of a servo press according to claim 1, wherein the punching driving means includes a servo motor and a punching screw, one end of the punching screw is connected to a rotary shaft of the servo motor, and the other end thereof is fixedly connected to the punching elevating plate.

3. The punching elevating mechanism of a servo punch according to claim 2, wherein the punching driving device further comprises a punching reducer, a coupling and a screw shaft bearing block, wherein one end of the punching reducer is connected to the rotating shaft of the servo motor, the other end of the punching reducer is connected to one end of the coupling, the other end of the coupling is connected to the punching screw, and the other end of the punching screw is fixedly connected to the punching elevating plate;

the screw rod bearing block is sleeved on the outer side of the coupler, and one end of the screw rod bearing block is fixedly connected with the punching speed reducer.

4. The punching lifting mechanism of the servo punch as claimed in claim 3, further comprising a punching upper plate fixedly connected to an end of the guide rod away from the punching base plate, wherein the punching lifting plate is located between the punching upper plate and the punching base plate, an end of the punching lead screw penetrates through the punching upper plate from top to bottom and is fixedly connected to the punching lifting plate, and an end of the lead screw bearing seat away from the punching reducer is fixedly connected to the punching upper plate.

5. The punching lift mechanism of a servo punch according to claim 4, wherein the upper surface of the punching base plate is provided with a lower die pad, the die assembly comprises an upper die pad and a die, the upper surface of the upper die pad is fixedly connected to the lower surface of the punching lift plate, and the lower surface of the upper die pad is fixedly connected to the die.

6. The punch lifter of a servo press according to claim 5, wherein the number of the guide rods is four, and the guide rods are arrayed at four corners of the die-cut upper plate.