CN214866536U - Punching device for flange plate forging - Google Patents

Abstract

The utility model discloses a ring flange forges and uses punching device, including base, connecting plate, motor room, biax motor, drive shaft one, drive shaft two, elevating gear, press from both sides tight fixing device, backup pad one and backup pad two, base diapire both ends are located respectively to the connecting plate, the base diapire is located to the motor room, the motor room is located between the connecting plate, the motor room is cavity setting, biax motor locates in the motor room, drive shaft one, drive shaft two run through the both ends that the biax motor output shaft was located to motor room lateral wall symmetry, drive shaft one, drive shaft two and the coaxial setting of biax motor output shaft, drive shaft one, drive shaft two rotate and locate the connecting plate lateral wall. The utility model belongs to the technical field of punching device, specifically provide a practicality height, the active nature is strong, the controllability is high, possesses the ring flange of lift, fixed clamping effect simultaneously and forges and use punching device.

Description

Punching device for flange plate forging

Technical Field

The utility model belongs to the technical field of punching device, specifically indicate a punching device is used in ring flange forging.

Background

The flange is also called flange plate or flange, the flange is a part for connecting pipes and ends of the pipes, the flange plate is widely applied to various fields of industrial manufacturing, plays a vital role in industrial production, and the punched hole of the flange is an essential part for manufacturing the flange plate.

But the device structure that the market was used to forge ring flange punching at present is more single, and the mobility is not enough, has greatly restricted punching device's functionality, has restricted fixing device's controllability to the ring flange easily produces when punching a hole and rocks, causes the wasting of resources of manufacturing cost.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned current difficult problem, the utility model provides a practicality is high, the active nature is strong, the controllability is high, possesses the ring flange forging of lift, fixed clamping effect simultaneously and uses punching device.

The utility model adopts the following technical scheme: the utility model discloses punching device is used in ring flange forging, including base, connecting plate, motor chamber, double-shaft motor, drive shaft one, drive shaft two, elevating gear, press from both sides tight fixing device, backup pad one and backup pad two, base diapire both ends are located respectively to the connecting plate, the base diapire is located to the motor chamber, the motor chamber is located between the connecting plate, the motor chamber is cavity setting, double-shaft motor is located in the motor chamber, drive shaft one, drive shaft two run through the motor chamber lateral wall symmetry and locate the both ends of double-shaft motor output shaft, drive shaft one, drive shaft two and the coaxial setting of double-shaft motor output shaft, drive shaft one, drive shaft two rotate and locate the connecting plate lateral wall, backup pad one and backup pad two symmetries are located on the base, press from both sides tight fixing device and locate backup pad one, The lifting device is arranged between the first supporting plate and the second supporting plate and is arranged above the clamping and fixing device; the lifting device comprises a lower bevel gear, an upper bevel gear, a guide assembly, a lifting slide block, a lifting rod, a bearing and a lifting plate, wherein a lifting cavity is formed in one side wall of a first supporting plate close to a second supporting plate, the bearing is respectively arranged on the upper bottom wall and the lower bottom wall of the lifting cavity, the lifting rod is rotatably arranged in the lifting cavity, the lifting rod is rotatably arranged between the bearings, a first movable through hole which is communicated from top to bottom is formed in the base, the first movable through hole is arranged under the lifting rod, a rotating shaft is arranged in the first movable through hole, the upper end of the rotating shaft penetrates through the bottom wall of the first supporting plate and is coaxially connected with the bottom wall of the lifting rod, the upper bevel gear is coaxially and fixedly connected with the lower end of the rotating shaft, the upper bevel gear is arranged in the first movable through hole, the lower bevel gear is coaxially arranged at one end of a first driving shaft close to the upper bevel gear, the upper bevel gear is meshed with the lower bevel gear, the guide assembly is respectively arranged on the side walls of the first supporting plate and the second supporting plate, the guide assembly comprises a guide block and a guide rod, the guide rod is respectively provided with a first support plate side wall and a second support plate side wall, the guide block is arranged on the guide rod in a sliding mode, the lifting plate is arranged between the guide assemblies, two ends of the lifting plate are respectively connected with the guide block, a connecting rod is arranged at one end, close to the first support plate, of the lifting plate, the lifting slider is arranged on the lifting rod in a sliding mode, the lifting slider is in threaded connection with the lifting rod, the connecting rod is arranged on the side wall of the lifting slider, the output shaft of the double-shaft motor drives the lower bevel gear to rotate by controlling the rotation of the output shaft at one end of the double-shaft motor, the lower bevel gear drives the upper bevel gear to be meshed with and driven to drive the lifting rod to rotate, the lifting slider and the lifting plate are driven by the lifting rod to move up and down under the limiting and guiding effects of the guide block and the guide rod, a punching assembly is arranged on the bottom wall of the lifting plate, and the punching assembly comprises a connecting frame, The connecting frame is arranged on the bottom wall of the lifting plate and is U-shaped, the upper wall of the lifting plate is provided with a punching motor, the master gear and the slave gear are rotatably arranged between the lifting plate and the connecting frame, the output shaft of the punching motor penetrates through the lifting plate and is coaxially connected with the main gear, the auxiliary gears are distributed in an array around the circumference of the main gear, the driven gear is meshed with the master gear, the punching drill bit is rotatably arranged on the bottom wall of the connecting frame, the punching drill bit penetrates through the connecting frame and is coaxially connected with the driven gear, the punching drill bits are arranged in a plurality of groups, the double-shaft motor rotates to drive the lifting plate to move up and down, the lifting plate drives the punching assembly to move up and down, the output shaft of the punching motor rotates to drive the main gear to rotate, the main gear rotates to drive the peripheral driven gears to rotate, the driven gears rotate to drive the punching drill bits to rotate, and the flange plates are punched through the rotation of the punching drill bits.

Further, the clamping and fixing device comprises a vertical plate, a workbench, a two-way screw rod, a first gear, a second gear, a first sliding block, a second sliding block, a first sliding rod, a second sliding rod, a first clamping plate and a second clamping plate, wherein the vertical plate is symmetrically arranged on the base, the workbench is arranged on the vertical plate, the two-way screw rod is rotatably arranged between the vertical plates, the two-way screw rod comprises a left thread end and a right thread end, the first sliding block is arranged at the left thread end, the first sliding block is in threaded connection with the left thread end, the second sliding block is arranged at the right thread end, the second sliding block is in threaded connection with the right thread end, a limiting groove is symmetrically arranged on the workbench, the lower end of the first sliding rod penetrates through the limiting groove and is arranged on the upper wall of the first sliding block, the lower end of the second sliding rod penetrates through the limiting groove and is arranged on the upper wall of the second sliding block, the first clamping plate is arranged on the first sliding rod, the second clamping plate is arranged on the second sliding rod, and the first gear is coaxially arranged on the second driving shaft, one end of the base, which is close to the first gear, is provided with a second through-hole which is communicated up and down, the side wall of the second through-hole is rotatably provided with a connecting shaft, the connecting shaft is provided with a connecting gear, the connecting gear is arranged in the second through-hole, the second gear is arranged at one side of the two-way screw rod, which is close to the second through-hole, the first gear is meshed with the second gear, the first gear is driven to rotate by controlling the rotation of an output shaft at the other end of the double-shaft motor, the first gear drives the connecting gear to rotate, the second gear drives the two-way screw rod to rotate, the two-way screw rod drives the first sliding block and the second sliding block to mutually approach or separate from each other along the two-way screw rod in the horizontal direction, and simultaneously drives the first clamping plate and the second clamping plate to mutually approach or separate from each other along the two-way screw rod in the horizontal direction under the limit of the first sliding rod, the second sliding rod and the limit groove, the limiting groove plays a limiting and guiding role in reciprocating motion of the first clamping plate and the second clamping plate, and therefore clamping and fixing of the flange plate are achieved.

Further, the workbench is symmetrically provided with limiting assemblies, each limiting assembly comprises a limiting block and a limiting rod, the limiting rods are arranged on two sides of the limiting groove respectively, the limiting blocks are arranged on the first bottom wall of the clamping plate and the second bottom wall of the clamping plate respectively, the limiting blocks are arranged on the limiting rods in a sliding mode, and the limiting assemblies enable the first clamping plate and the second clamping plate to achieve limiting and guiding effects when moving.

Furthermore, be equipped with respectively on grip block one and the grip block two and keep away the dead slot, keep away the dead slot and locate between grip block one and the grip block two, keep away the setting of dead slot semicircular in shape, it is equipped with the standing groove to keep away the dead slot lateral wall, grip block two is the symmetry setting with grip block one, and when grip block one, grip block two were close to each other and touch, the dead slot butt joint of grip block one and grip block two lateral walls becomes complete circle and carries out spacingly on the ring flange on the horizontal direction, and the standing groove makes its unable reciprocating in the standing groove with the ring flange joint, fixed fastness when strengthening the ring flange and forging and punching a hole, and then has avoided the condition of ring flange landing.

Furthermore, the double-shaft motor comprises a first driving motor and a second driving motor, the first driving motor and the second driving motor are symmetrically arranged in the motor chamber, an output shaft of the first driving motor is connected with the first driving shaft, an output shaft of the second driving motor is connected with the second driving shaft, and the double-shaft motor is convenient to control the lifting and clamping of the device respectively.

Further, the side wall of the base is provided with a first switch and a second switch, the base is provided with a controller, and the controller is electrically connected with the first switch, the second switch, the first driving motor, the second driving motor and the punching motor respectively.

Further, the base diapire is equipped with the support column, the firm support of the base of being convenient for.

Adopt above-mentioned structure the utility model discloses the beneficial effect who gains as follows: this scheme is punching device for ring flange forging simple structure, it rotates to control double-shaft motor through the controller, controller control elevating gear and the work of pressing from both sides tight fixing device, it makes grip block one and grip block two pairs of ring flanges carry out the centre gripping fixed to press from both sides tight fixing device, setting through the standing groove, place the ring flange in the standing groove, fastness when further strengthening the ring flange and forging to punch a hole, and then the condition of ring flange landing has been avoided, setting through elevating gear and punching assembly, fixing device's flexibility has been improved, the quality of punching a hole of improvement ring flange, the manufacturing cost of ring flange production has been reduced.

Drawings

Fig. 1 is a front view of the punching device for forging a flange plate of the present invention;

fig. 2 is a perspective view of the punching device for flange forging of the present invention;

fig. 3 is a side view of a first supporting plate of the punching device for flange forging of the present invention;

FIG. 4 is a side view of a second supporting plate of the punching device for forging flange plates of the present invention;

fig. 5 is a top view of the clamping and fixing device of the punching device for flange forging of the present invention;

fig. 6 is a cross-sectional view of a first clamping plate of the punching device for flange forging of the present invention;

fig. 7 is a plan view of the work table of the punching apparatus for forging a flange plate of the present invention.

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings, 1, a base, 2, a connecting plate, 3, a motor chamber, 4, a double-shaft motor, 5, a first driving shaft, 6, a second driving shaft, 7, a lifting device, 8, a clamping fixing device, 9, a first supporting plate, 10, a second supporting plate, 11, a lower bevel gear, 12, an upper bevel gear, 13, a guide assembly, 14, a lifting slider, 15, a lifting rod, 16, a bearing, 17, a lifting plate, 18, a lifting cavity, 19, a first movable through hole, 20, a rotating shaft, 21, a guide block, 22, a guide rod, 23, a connecting rod, 24, a punching assembly, 25, a connecting frame, 26, a main gear, 27, a driven gear, 28, a punching drill bit, 29, a punching motor, 30, a vertical plate, 31, a workbench, 32, a bidirectional screw rod, 33, a first gear, 34, a second gear, 35, a first slider, 36, a second slider, 37, a first sliding rod, 38, a second sliding rod, 39, a first clamping plate, 40, The clamping plate II, 41, a limiting groove, 42, a movable through hole II, 43, a connecting shaft, 44, a connecting gear, 45, a limiting assembly, 46, a limiting block, 47, a limiting rod, 48, a clearance groove, 49, a placing groove, 50, a driving motor I, 51, a driving motor II, 52, a switch I, 53, a switch II, 54, a controller, 55 and a supporting column.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; 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 figures 1-7, the punching device for forging flange plate of the present invention comprises a base 1, a connecting plate 2, a motor chamber 3, a double-shaft motor 4, a first driving shaft 5, a second driving shaft 6, a lifting device 7, a clamping fixing device 8, a first supporting plate 9 and a second supporting plate 10, wherein the connecting plate 2 is respectively disposed at two ends of the bottom wall of the base 1, the motor chamber 3 is disposed at the bottom wall of the base 1, the motor chamber 3 is disposed between the connecting plates 2, the double-shaft motor 4 is disposed in the motor chamber 3, the first driving shaft 5 and the second driving shaft 6 are symmetrically disposed at two ends of the output shaft of the double-shaft motor 4 through the side wall of the motor chamber 3, the first driving shaft 5, the second driving shaft 6 and the output shaft of the double-shaft motor 4 are coaxially disposed, the first driving shaft 5 and the second driving shaft 6 are rotatably disposed at the side wall of the connecting plate 2, the first supporting plate 9 and the second supporting plate 10 are symmetrically disposed on the base 1, the clamping and fixing device 8 is arranged on the base 1, the clamping and fixing device 8 is arranged between the first supporting plate 9 and the second supporting plate 10, the lifting device 7 is arranged between the first supporting plate 9 and the second supporting plate 10, and the lifting device 7 is arranged above the clamping and fixing device 8; the lifting device 7 comprises a lower bevel gear 11, an upper bevel gear 12, a guide assembly 13, a lifting slider 14, a lifting rod 15, a bearing 16 and a lifting plate 17, wherein a lifting cavity 18 is arranged on the side wall of one side of the first supporting plate 9 close to the second supporting plate 10, the bearing 16 is respectively arranged on the upper bottom wall and the lower bottom wall of the lifting cavity 18, the lifting rod 15 is rotatably arranged in the lifting cavity 18, the lifting rod 15 is rotatably arranged between the bearings 16, a first movable through hole 19 which is vertically communicated is arranged on the base 1, the first movable through hole 19 is arranged under the lifting rod 15, a rotating shaft 20 is arranged in the first movable through hole 19, the upper end of the rotating shaft 20 penetrates through the bottom wall of the first supporting plate 9 and is coaxially connected with the bottom wall of the lifting rod 15, the upper bevel gear 12 is coaxially and fixedly connected with the lower end of the rotating shaft 20, the upper bevel gear 12 is arranged in the first movable through hole 19, the lower bevel gear 11 is coaxially arranged at one end of the first driving shaft 5 close to the upper bevel gear 12, the upper bevel gear 12 is meshed with the lower bevel gear 11, the guide assembly 13 is respectively arranged on the side walls of the first support plate 9 and the second support plate 10, the guide assembly 13 comprises a guide block 21 and a guide rod 22, the guide rod 22 is respectively arranged on the side walls of the first support plate 9 and the second support plate 10, the guide block 21 is slidably arranged on the guide rod 22, the lifting plate 17 is arranged between the guide assemblies 13, two ends of the lifting plate 17 are respectively connected with the guide block 21, one end, close to the first support plate 9, of the lifting plate 17 is provided with a connecting rod 23, the lifting slider 14 is slidably arranged on the lifting rod 15, the lifting slider 14 is in threaded connection with the lifting rod 15, the connecting rod 23 is arranged on the side wall of the lifting slider 14, the bottom wall of the lifting plate 17 is provided with a punching assembly 24, the punching assembly 24 comprises a connecting frame 25, a main gear 26, a slave gear 27 and a punching drill bit 28, the connecting frame 25 is arranged on the bottom wall of the lifting plate 17, the link 25 is the U-shaped setting, the lifter plate 17 upper wall is equipped with punching motor 29, main gear 26 with from gear 27 rotation locate between lifter plate 17 and link 25, punching motor 29 output shaft runs through lifter plate 17 and main gear 26 coaxial coupling, from gear 27 around main gear 26 circumference array distribution, from gear 27 and main gear 26 meshing, link 25 diapire is located in the rotation of punching a hole drill bit 28, punching a hole drill bit 28 runs through link 25 and from gear 27 coaxial coupling, punching a hole drill bit 28 is the multiunit setting.

Wherein, the clamping and fixing device 8 comprises a vertical plate 30, a workbench 31, a bidirectional screw rod 32, a first gear 33, a second gear 34, a first slider 35, a second slider 36, a first sliding rod 37, a second sliding rod 38, a first clamping plate 39 and a second clamping plate 40, the vertical plate 30 is symmetrically arranged on the base 1, the workbench 31 is arranged on the vertical plate 30, the bidirectional screw rod 32 is rotatably arranged between the vertical plates 30, the bidirectional screw rod 32 comprises a left thread end and a right thread end, the first slider 35 is arranged at the left thread end, the first slider 35 is in threaded connection with the left thread end, the second slider 36 is arranged at the right thread end, the second slider 36 is in threaded connection with the right thread end, the workbench 31 is symmetrically provided with a limiting groove 41, the lower end of the first sliding rod 37 penetrates through the limiting groove 41 and is arranged on the upper wall of the first slider 35, the lower end of the second sliding rod 38 penetrates through the limiting groove 41 and is arranged on the upper wall of the second slider 36, the clamping plate I39 is arranged on the sliding rod I37, the clamping plate II 40 is arranged on the sliding rod II 38, the gear I33 is coaxially arranged on the driving shaft II 6, one end, close to the gear I33, of the base 1 is provided with a movable through hole II 42 which is through up and down, the side wall of the movable through hole II 42 is rotatably provided with a connecting shaft 43, the connecting shaft 43 is provided with a connecting gear 44, the connecting gear 44 is arranged in the movable through hole II 42, the gear II 34 is arranged on one side, close to the movable through hole II 42, of the bidirectional screw rod 32, the gear I33 is meshed with the connecting gear 44, and the connecting gear 44 is meshed with the gear II 34.

The worktable 31 is symmetrically provided with limiting components 45, each limiting component 45 comprises a limiting block 46 and a limiting rod 47, the limiting rods 47 are respectively arranged at two sides of the limiting groove 41, the limiting blocks 46 are respectively arranged at the bottom wall of the first clamping plate 39 and the bottom wall of the second clamping plate 40, and the limiting blocks 46 are slidably arranged on the limiting rods 47; the first clamping plate 39 and the second clamping plate 40 are respectively provided with a clearance groove 48, the clearance groove 48 is arranged between the first clamping plate 39 and the second clamping plate 40, the clearance groove 48 is arranged in a semicircular shape, the side wall of the clearance groove 48 is provided with a placing groove 49, and the second clamping plate 40 and the first clamping plate 39 are symmetrically arranged; the double-shaft motor 4 comprises a first driving motor 50 and a second driving motor 51, the first driving motor 50 and the second driving motor 51 are symmetrically arranged in the motor chamber 3, an output shaft of the first driving motor 50 is connected with a first driving shaft 5, and an output shaft of the second driving motor 51 is connected with a second driving shaft 6; the side wall of the base 1 is provided with a first switch 52 and a second switch 53, the base 1 is provided with a controller 54, and the controller 54 is electrically connected with the first switch 52, the second switch 53, the first driving motor 50, the second driving motor 51 and the punching motor 29 respectively; the bottom wall of the base 1 is provided with a support column 55.

When the device is used, firstly, a flange plate to be punched is clamped and fixed, one side of the flange plate to be punched is placed in the placing groove 49 of the first clamping plate 39 and kept horizontal, the first switch 52 is started, the controller 54 is triggered to work through the first switch 52, the second controller 54 controls the second driving motor 51 to rotate, the first driving motor 51 rotates to drive the first gear 33 to rotate, the first gear 33 drives the connecting gear 44 to rotate, the connecting gear 44 drives the second gear 34 to rotate, the second gear 34 drives the bidirectional screw rod 32 to rotate, the first slider 35 and the second slider 36 are driven by the bidirectional screw rod 32 to mutually approach in the horizontal direction along the bidirectional screw rod 32, and simultaneously the first clamping plate 39 and the second clamping plate 40 are driven to tightly clamp the other side of the flange plate to be punched and the placing groove 49 on the second clamping plate 40 under the limiting and guiding effects of the first sliding rod 37, the second sliding rod 38, the limiting groove 41 and the limiting assembly 45, the controller 54 controls the driving motor II 51 to stop rotating, so that the flange plates are clamped and fixed by the clamping plate I39 and the clamping plate II 40, the flange plates are fixed and limited by the placing groove 49 in the vertical direction, the flange plates are limited by the clamping plate I39, the clamping plate II 40 and the clearance groove 48 in the horizontal direction, the flange plates are fixed and stable in punching, the firmness of the flange plates in forging and punching is enhanced by the placing groove 49, the condition that the flange plates slide off is avoided, the limiting groove 41 plays a limiting and guiding role in reciprocating motion of the clamping plate I39 and the clamping plate II 40, and the clamping and fixing of the flange plates are completed; then, the fixed flange plate is punched, a second switch 53 is started, the second switch 53 triggers a controller 54 to control a first driving motor 50 to rotate, an output shaft of the first driving motor 50 drives a lower bevel gear 11 to rotate, the lower bevel gear 11 drives an upper bevel gear 12 to be in meshing transmission so as to drive a lifting rod 15 to rotate, the lifting rod 15 drives a lifting slide block 14 and a lifting plate 17 to move downwards under the limiting and guiding effects of a guide block 21 and a guide rod 22, the lifting plate 17 drives a punching component 24 to move downwards to be close to the flange plate, the controller 54 simultaneously controls a punching motor 29 to work, an output shaft of the punching motor 29 drives a main gear 26 to rotate, the main gear 26 drives a peripheral driven gear 27 to rotate, the punching drill 28 is driven to rotate by the rotation of the driven gear 27, the downward movement while the self-rotation of the punching drill 28 is met, the tight contact between the punching drill 28 and the flange plate is ensured, and the punching work on the flange plate is completed, the clamping and fixing device 8 improves the flexibility and adjustability of the device, improves the punching quality of the flange plate, and reduces the manufacturing cost of the flange plate production.

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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a ring flange forges uses punching device which characterized in that: including base, connecting plate, motor chamber, double-shaft motor, drive shaft one, drive shaft two, elevating gear, press from both sides tight fixing device, backup pad one and backup pad two, base diapire both ends are located respectively to the connecting plate, the base diapire is located to the motor chamber, the motor chamber is located between the connecting plate, the motor chamber is cavity setting, double-shaft motor is located in the motor chamber, drive shaft one, drive shaft two run through motor chamber lateral wall symmetry and locate the both ends of double-shaft motor output shaft, drive shaft one, drive shaft two and the coaxial setting of double-shaft motor output shaft, drive shaft one, drive shaft two rotate and locate the connecting plate lateral wall, backup pad one and backup pad two are symmetrical to be located on the base, press from both sides tight fixing device and locate between backup pad one, elevating gear locates backup pad one, The lifting device is arranged above the clamping and fixing device between the supporting plates II; the lifting device comprises a lower bevel gear, an upper bevel gear, a guide assembly, a lifting slide block, a lifting rod, a bearing and a lifting plate, wherein a lifting cavity is formed in one side wall of a first supporting plate close to a second supporting plate, the bearing is respectively arranged on the upper bottom wall and the lower bottom wall of the lifting cavity, the lifting rod is rotatably arranged in the lifting cavity, the lifting rod is rotatably arranged between the bearings, a first movable through hole which is communicated from top to bottom is formed in the base, the first movable through hole is arranged under the lifting rod, a rotating shaft is arranged in the first movable through hole, the upper end of the rotating shaft penetrates through the bottom wall of the first supporting plate and is coaxially connected with the bottom wall of the lifting rod, the upper bevel gear is coaxially and fixedly connected with the lower end of the rotating shaft, the upper bevel gear is arranged in the first movable through hole, the lower bevel gear is coaxially arranged at one end of a first driving shaft close to the upper bevel gear, the upper bevel gear is meshed with the lower bevel gear, the guide assembly is respectively arranged on the side walls of the first supporting plate and the second supporting plate, the guide assembly comprises guide blocks and guide rods, the guide rods respectively support a first side wall and a second side wall of the first support plate, the guide blocks are arranged on the guide rods in a sliding manner, the lifting plate is arranged between the guide assemblies, two ends of the lifting plate are respectively connected with the guide blocks, one end, close to the first support plate, of the lifting plate is provided with a connecting rod, the lifting slider is arranged on the lifting rods in a sliding manner, the lifting slider is in threaded connection with the lifting rods, the connecting rod is arranged on the side wall of the lifting slider, the bottom wall of the lifting plate is provided with a punching assembly, the punching assembly comprises a connecting frame, a master gear, a slave gear and a punching drill bit, the connecting frame is arranged on the bottom wall of the lifting plate, the connecting frame is arranged in a U shape, the upper wall of the lifting plate is provided with a punching motor, the master gear and the slave gear are rotatably arranged between the lifting plate and the connecting frame, and an output shaft of the punching motor penetrates through the lifting plate and is coaxially connected with the master gear, the driven gears are distributed around the circumference of the main gear in an array mode, the driven gears are meshed with the main gear, the punching drill bits are rotatably arranged on the bottom wall of the connecting frame, the punching drill bits penetrate through the connecting frame and are coaxially connected with the driven gears, and the punching drill bits are arranged in multiple groups.

2. The punching apparatus for forging a flange according to claim 1, wherein: the clamping and fixing device comprises a vertical plate, a workbench, a two-way lead screw, a first gear, a second gear, a first slide block, a second slide block, a first sliding rod, a second sliding rod, a first clamping plate and a second clamping plate, wherein the vertical plate is symmetrically arranged on the base, the workbench is arranged on the vertical plate, the two-way lead screw is rotatably arranged between the vertical plates, the two-way lead screw comprises a left thread end and a right thread end, the first slide block is arranged at the left thread end, the first slide block is in threaded connection with the left thread end, the second slide block is arranged at the right thread end, the second slide block is in threaded connection with the right thread end, a limiting groove is symmetrically arranged on the workbench, the lower end of the first slide rod penetrates through the limiting groove and is arranged on the upper wall of the first slide block, the lower end of the second slide rod penetrates through the limiting groove and is arranged on the upper wall of the second slide block, the first clamping plate is arranged on the first sliding rod, the second clamping plate is arranged on the second sliding rod, and the first gear is coaxially arranged on the second driving shaft, the base is close to one end of the first gear and is provided with a second movable through hole which is communicated up and down, the side wall of the second movable through hole is provided with a connecting shaft in a rotating mode, the connecting shaft is provided with a connecting gear, the connecting gear is arranged in the second movable through hole, the second gear is arranged on one side, close to the second movable through hole, of the two-way screw rod, the first gear is meshed with the connecting gear, and the connecting gear is meshed with the second gear.

3. The punching apparatus for forging a flange according to claim 2, wherein: the limiting assembly is symmetrically arranged on the workbench and comprises limiting blocks and limiting rods, the limiting rods are arranged on two sides of the limiting groove respectively, the limiting blocks are arranged on the first bottom wall of the clamping plate and the second bottom wall of the clamping plate respectively, and the limiting blocks are arranged on the limiting rods in a sliding mode.

4. The punching apparatus for forging a flange according to claim 2, wherein: the clamping plate I and the clamping plate II are respectively provided with a clearance groove, the clearance groove is arranged between the clamping plate I and the clamping plate II, the clearance grooves are arranged in a semicircular shape, the side walls of the clearance grooves are provided with placing grooves, and the clamping plate II and the clamping plate I are symmetrically arranged.

5. The punching apparatus for forging a flange according to claim 1, wherein: the double-shaft motor comprises a first driving motor and a second driving motor, the first driving motor and the second driving motor are symmetrically arranged in the motor chamber, an output shaft of the first driving motor is connected with the first driving shaft, and an output shaft of the second driving motor is connected with the second driving shaft.

6. The punching apparatus for forging a flange according to claim 5, wherein: the punching machine is characterized in that a first switch and a second switch are arranged on the side wall of the base, a controller is arranged on the base, and the controller is electrically connected with the first switch, the second switch, the first driving motor, the second driving motor and the punching motor respectively.

7. The punching apparatus for forging a flange according to claim 1, wherein: the base diapire is equipped with the support column.

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