CN117772908A

CN117772908A - Punching device for metal casting machining

Info

Publication number: CN117772908A
Application number: CN202410200314.XA
Authority: CN
Inventors: 宋凌颖; 王志强; 孙东金; 许冯军
Original assignee: Changzhou Shanmei Machinery Co ltd
Current assignee: Changzhou Shanmei Machinery Co ltd
Priority date: 2024-02-23
Filing date: 2024-02-23
Publication date: 2024-03-29
Anticipated expiration: 2044-02-23
Also published as: CN117772908B

Abstract

The invention is suitable for the technical field of metal casting processing, and provides a punching device for metal casting processing, which comprises a main body component and a positioning component arranged at the top of the main body component, wherein a workpiece is arranged at the end part of the positioning component, two groups of punching components are arranged in the main body component, one group of punching components is arranged at one side of the top of the main body component, and the other group of punching components is arranged in the main body component.

Description

Punching device for metal casting machining

Technical Field

The invention relates to the technical field of metal casting processing, in particular to a punching device for metal casting processing.

Background

The metal casting is obtained by pouring, injection, suction or other pouring methods of smelted liquid metal into a casting mould prepared in advance, cooling and polishing the casting mould, and the obtained object with a certain shape, size and performance is formed by casting the metal, and the edge of a circle center hole of the metal casting is uneven, so that irregular conditions can occur in the circle center hole, the metal casting needs to be singly shaped by shaping equipment before punching, and then punching operation is carried out, thereby not only increasing the cost, but also affecting the processing efficiency.

Moreover, the existing punching device horizontally places a workpiece on a workbench, and the punching device at the upper part is utilized to punch the workpiece, but because the angle of the punching device is vertical downwards, in order to punch different surfaces and special-shaped surfaces of the workpiece, a worker designs an inclined placing frame, namely, the workpiece is sleeved on the placing frame by using a manipulator, the inclined conical surface of the workpiece and the punching device at the upper part are oppositely arranged, and at the moment, the workpiece indirectly rotates to achieve the purpose of punching the inclined conical surface, however, the mode can only machine one inclined conical surface, if two conical surfaces are arranged on the workpiece, the punching device needs to be subjected to secondary processing, and the punching efficiency of the punching device is greatly reduced.

Disclosure of Invention

Aiming at the defects of the prior art, the invention aims to provide a punching device for processing metal castings.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a punching device is used in metal casting processing, includes main part subassembly and installs in the locating component at main part subassembly top, the tip of locating component is provided with the work piece, the inside of main part subassembly is provided with two sets of subassemblies that punch a hole, and one of them sets of subassembly that punch a hole is installed in main part subassembly's top one side, and another set of subassembly that punches a hole is installed in main part subassembly's inside, the work piece is located between two sets of subassemblies that punch a hole.

The main part subassembly includes the base and installs in the workstation at base top, locating component installs in the top one side of workstation, the grudging post is installed at the top of base, the grudging post extends to the top of workstation and is connected with the connecting plate, the connecting plate is close to the lateral wall position of workstation and is connected with one of them group subassembly that punches a hole, the internally mounted of base has the fixed plate, another group the subassembly that punches a hole is installed in the bottom of fixed plate and is extended to the below of workstation, the workstation is located between two sets of subassemblies that punch a hole, and two sets of subassembly that punch a hole is dislocation set from top to bottom.

Grabbing components are arranged below a group of punching components connected with the connecting plate, and the grabbing components and the corresponding group of punching components are arranged in a staggered mode in the horizontal direction.

The positioning assembly comprises two groups of sliding rails arranged at the top of the workbench and an adjusting mechanism connected to the tops of the two groups of sliding rails in a sliding manner, and the top of the adjusting mechanism is connected with a supporting mechanism;

the supporting mechanism comprises a servo motor connected with the adjusting mechanism, the servo motor faces between the two groups of punching assemblies, the output end of the servo motor is connected with a fixing rod, the outer side wall of the fixing rod is sequentially provided with a shaping mechanism and a fixing mechanism, and the workpiece is sleeved outside the fixing mechanism.

The invention is further provided with: the two groups of punching assemblies comprise punching cylinders, piston rods of the punching cylinders are oppositely arranged, a support is arranged on the side wall of one punching cylinder, the support is connected to one side of the connecting plate, the other punching cylinder is arranged at the bottom of the fixing plate and extends to the lower side of the workbench, and punches are arranged at the end parts of the piston rods of the punching cylinders.

The invention is further provided with: the grabbing component comprises a rotating shaft arranged at the bottom of the support, the top of the rotating shaft vertically penetrates through the bottom of the support, a connecting rod is horizontally connected to the bottom of the rotating shaft, a rotary cylinder is arranged at one end of the connecting rod, the output end of the rotary cylinder is connected with the connecting rod, a clamping jaw cylinder is arranged at the bottom of the rotary cylinder, and two clamping arms are connected to the output end of the clamping jaw cylinder.

The invention is further provided with: the top of support is installed and is snatched the cylinder, it has the swing arm to snatch the piston rod of cylinder and articulate, the swing arm level sets up, the swing arm is kept away from the one side of snatching the cylinder and is articulated mutually with the top of pivot.

Through adopting above-mentioned technical scheme, two sets of subassembly that punch a hole in the top and below dislocation of work piece, the distance between a set of subassembly horizontal direction that punches a hole that is located the top and the grudging post be greater than the distance between a set of subassembly horizontal direction that punches a hole of below and the grudging post, two sets of subassemblies that punch a hole can be simultaneously to the work piece upper and lower face operation of punching a hole, have improved the efficiency of punching a hole to the work piece greatly.

The invention is further provided with: the adjusting mechanism comprises a fixed seat which is connected to the tops of the two groups of sliding rails in a sliding manner and a linear guide rail which is arranged at the top of the fixed seat, a driving motor is arranged at the top of the fixed seat and positioned at the input end of the linear guide rail, the driving motor is connected with the input end of the linear guide rail, a sliding seat is connected to the top of the linear guide rail in a sliding manner, a base plate is arranged at the top of the sliding seat, and a servo motor is arranged above the base plate.

The invention is further provided with: the top of base plate rotates and is connected with the bull stick, the swinging plate is installed to the lateral wall of bull stick, the internally mounted of base plate has the swing cylinder, the piston rod of swing cylinder articulates mutually with the tip that the bull stick was kept away from to the swinging plate.

Through adopting above-mentioned technical scheme, adjustment mechanism drives work piece slope upward adjustment, and angle of inclination is the same with the inclination of conical surface, and two conical surfaces on the work piece are adjusted to upper and lower the range, and wherein the conical surface of top is closest to upper punch department angle of inclination and drift unanimous, and the conical surface of below and lower punch department angle of inclination and drift unanimous, later punches a hole two conical surfaces of rotatory work piece lateral wall simultaneously through two sets of dislocation set's punching assembly, has improved punching efficiency of punching device greatly.

The invention is further provided with: the shaping mechanism comprises a fixed pipe connected to the outer side wall of the fixed rod, the diameter of the fixed pipe is the same as that of the workpiece, and a cutter is arranged at the end part of the fixed pipe, far away from the servo motor.

Through adopting above-mentioned technical scheme, when adjustment mechanism and supporting mechanism whole displacement, the work piece utilizes snatch the subassembly and keeps static, consequently the work piece slides relatively at the outer wall of dead lever, when the work piece moved the position of cutter, utilized the relative displacement of work piece and supporting mechanism, caused the cutter to maintain the centre of a circle hole, and the work piece after the maintenance can freely slide on the outer wall of fixed pipe, and this setting can reach the purpose of work piece circular hole plastic, avoids secondary individual processing.

The invention is further provided with: the mounting groove has been seted up to the lateral wall of dead lever, the internally connected of mounting groove has the drive cylinder, two output of drive cylinder all set up in homonymy and both upper and lower setting, just two outputs of drive cylinder all are connected with fixed establishment.

The invention is further provided with: the fixed establishment is including connecting in the fixed disk that servo motor tip was kept away from to the dead lever and articulating in a plurality of second articulated bars of fixed disk lateral wall, a plurality of the second articulated bars equidistance sets up, the lateral wall sliding connection of dead lever has the sliding tray, the lateral wall equidistance of sliding tray articulates there is a plurality of first articulated bars, a plurality of first articulated bars and a plurality of second articulated bars correspond the setting, the sliding tray articulates with corresponding second articulated bars mutually.

The invention is further provided with: two grooves are symmetrically formed in the outer side wall of the fixing rod, two output ends of the driving cylinder are respectively connected with the inner parts of the two grooves in a sliding mode, protrusions corresponding to the grooves are connected to the inner walls of the fixing disc and the sliding disc, and the protrusions are inserted into the corresponding grooves.

Through adopting above-mentioned technical scheme, interval between fixed disk and the sliding tray is in the accommodation process, and articulated first pin joint and second pin joint angle between the two change, keep away from the interval of fixed lever through adjusting first pin joint and second pin joint and strut fixedly to the bipyramid work piece inside of different diameters to the slope of work piece and the condition that can not take place to rock in-process of punching a hole have improved the positioning stability of work piece greatly.

The driving cylinder applies thrust to the sliding disc, so that the sliding disc can slide on the outer side wall of the fixed rod, the driving cylinder is embedded in the mounting groove, the diameter of the driving cylinder and the diameter of the fixed rod after being combined are reduced as far as possible, the situation that a workpiece is blocked and cannot be shaped after the diameter of the driving cylinder is larger than that of the fixed pipe is avoided, two output ends of the driving cylinder are respectively and slidably connected in the two grooves, the output ends of the driving cylinder are embedded in the grooves and hidden in the grooves, and the diameter of the driving cylinder and the diameter of the fixed rod after being combined are further reduced.

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

(1) Through setting up plastic mechanism, plastic mechanism and fixed establishment all set up on the dead lever, consequently before the work piece passes through dead lever and fixed establishment location, the work piece can accomplish plastic and punching a hole the operation in the axis direction of dead lever, improves the functionality of device greatly, avoids secondary independent processing to increase cost and influences efficiency.

(2) Through setting up fixed pipe and cutter, when adjustment mechanism and supporting mechanism whole displacement, the work piece utilizes snatch the subassembly and keeps static, consequently the outer wall relative slip of work piece at the dead lever, when the work piece moved the position of cutter, utilized the relative displacement of work piece and supporting mechanism, caused the cutter to repair the centre of a circle hole to reach the purpose of work piece circular hole plastic.

(3) Through setting up adjustment mechanism, adjustment mechanism drives the work piece slope and upwards adjusts, and angle of inclination is the same with the inclination of conical surface, and two conical surfaces on the work piece are adjusted to arrange from top to bottom, and wherein the conical surface of top is closest to top drift department inclination and drift unanimous, and conical surface and below drift department inclination and drift unanimous, later punches a hole two conical surfaces of rotatory work piece lateral wall simultaneously through two sets of dislocation set's punching assembly, has improved punching efficiency of punching device greatly.

(4) Through setting up first articulated rod and second articulated rod, interval between fixed disk and the sliding tray is in the accommodation process, and articulated first articulated rod and second articulated rod angle change between the two, keep away from the interval of dead lever through adjusting first articulated rod and second articulated rod hinge point and strut fixedly to the bipyramid work piece inside of different diameters to the slope of work piece and the condition that can not take place to rock in-process of punching a hole have improved the positional stability of work piece greatly.

Drawings

Fig. 1 is a schematic view showing the overall structure of a punching device for processing metal castings.

Fig. 2 is a schematic diagram of a front view structure of the present invention.

Fig. 3 is a schematic view of a connection structure of a punching assembly and a grabbing assembly in the present invention.

FIG. 4 is a schematic view of the connection structure of the workbench and the positioning assembly in the invention.

Fig. 5 is a schematic structural view of a supporting mechanism in the present invention.

Fig. 6 is a schematic structural view of an adjusting mechanism in the invention.

Fig. 7 is an enlarged schematic view of the area a in fig. 6.

Fig. 8 is a schematic view of the punching assembly and workpiece in a mated punching state in accordance with the present invention.

Fig. 9 is a schematic view of the connection structure of the shaping mechanism, the fixing rod and the fixing mechanism in the present invention.

FIG. 10 is a schematic diagram showing the state change of the fixing mechanism according to the present invention.

Reference numerals illustrate: 1. a body assembly; 11. a base; 12. a fixing plate; 13. a work table; 14. a vertical frame; 15. a connecting plate;

2. a punching assembly; 21. a bracket; 22. punching air cylinders; 23. a punch;

3. a grabbing component; 31. grabbing an air cylinder; 32. swing arms; 33. a rotating shaft; 34. a connecting rod; 35. a rotary cylinder; 36. a clamping jaw cylinder; 37. a clamp arm;

4. a positioning assembly; 41. a slide rail; 42. an adjusting mechanism; 421. a fixing seat; 422. a driving motor; 423. a linear guide rail; 424. a substrate; 425. a rotating rod; 426. a swing cylinder; 427. a swinging plate; 43. a support mechanism; 431. a servo motor; 432. shaping mechanism; 4321. a fixed tube; 4322. a cutter; 433. a fixed rod; 434. a driving cylinder; 435. a mounting groove; 436. a fixing mechanism; 4361. a sliding plate; 4362. a first hinge lever; 4363. a second hinge lever; 4364. a fixed plate; 437. a groove;

5. a workpiece.

Detailed Description

It should be noted that, without conflict, the embodiments and features of the embodiments in the present application may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.

Referring to fig. 1-10, the present invention provides the following technical solutions: first, referring to fig. 1 and 2, a punching device for metal casting processing includes a main body assembly 1, wherein two sets of punching assemblies 2 are disposed in the main body assembly 1, one set of punching assemblies 2 is mounted on one side of the top of the main body assembly 1, the other set of punching assemblies 2 is mounted in the main body assembly 1, and the main body assembly 1 is used for bearing each assembly, namely, the main body assembly 1 has the following specific structure:

referring to fig. 1 and 2, the main body assembly 1 includes a base 11 and a table 13 mounted on the top of the base 11, a positioning assembly 4 is mounted on one side of the top of the table 13, a workpiece 5 is disposed at an end of the positioning assembly 4, the table 13 is used for supporting the positioning assembly 4, and the positioning assembly 4 runs above the table 13 and is used for transferring and positioning the workpiece 5.

Referring to fig. 1 and 2, a stand 14 is installed at the top of a base 11, the stand 14 extends to the upper side of a working table 13 and is connected with a connecting plate 15, the position of a side wall of the connecting plate 15 close to the working table 13 is connected with one group of punching assemblies 2, a fixed plate 12 is installed in the base 11, the other group of punching assemblies 2 is installed at the bottom of the fixed plate 12 and extends to the lower side of the working table 13, the two groups of punching assemblies 2 are arranged in a vertically staggered mode, the working table 13 and a workpiece 5 are both located between the two groups of punching assemblies 2, the two groups of punching assemblies 2 are staggered above and below the workpiece 5, and particularly, the distance between the horizontal direction of the group of punching assemblies 2 located above and the stand 14 is greater than the distance between the square direction of the group of punching assemblies 2 located below and the stand 14, and the two groups of punching assemblies 2 can simultaneously punch the upper surface and lower surface of the workpiece 5, so that the punching efficiency of the workpiece 5 is greatly improved.

Referring to fig. 2 and 3, the two sets of punch assemblies 2 are specifically structured and punched as follows:

the two sets of punching assemblies 2 divide into upper punching groups and lower punching groups, the two sets of punching assemblies 2 respectively comprise punching air cylinders 22, piston rods of the two punching air cylinders 22 are arranged oppositely, a support 21 is arranged on the side wall of one punching air cylinder 22, the support 21 is connected to one side of the connecting plate 15, the other punching air cylinder 22 is arranged at the bottom of the fixed plate 12 and extends to the lower side of the workbench 13, punching heads 23 are arranged at the end parts of the piston rods of the two punching air cylinders 22, the punching air cylinders 22 connected with the support 21 are upper punching groups, the punching air cylinders 22 connected with the fixed plate 12 are lower punching groups, the punching heads 23 on the two punching air cylinders 22 are opposite and are arranged vertically in a staggered mode, and the corresponding punching heads 23 are driven to move towards the direction of the workpiece 5 when the piston rods of the punching air cylinders 22 extend, so that punching operation is completed on the workpiece 5.

Referring to fig. 3, a grabbing component 3 is installed below a group of punching components 2 connected with a connecting plate 15, the grabbing component 3 and a corresponding group of punching components 2 are arranged in a staggered manner in the horizontal direction, that is, the grabbing component 3 is installed on one side of an upper punching group, a feeding device is arranged on one side of the punching device, the feeding device is an existing mechanism, not specifically limited herein, a positioning component 4 moves below the grabbing component 3, the feeding device sends a workpiece 5 to the lower side of the grabbing component 3, the grabbing component 3 is used for grabbing the workpiece 5 and placing the workpiece 5 on the positioning component 4, so that feeding is completed, then the positioning component 4 moves to the position of the punching component 2 for punching operation, after the workpiece 5 is punched, the positioning component 4 returns again, and the grabbing component 3 takes down the workpiece 5 which is punched on the positioning component 4 again, and the specific mechanism and the using method of the grabbing component 3 are as follows:

referring to fig. 3, the grabbing component 3 includes a rotating shaft 33 disposed at the bottom of the support 21, the top of the rotating shaft 33 vertically penetrates through the bottom of the support 21, the top of the support 21 is provided with a grabbing cylinder 31, a piston rod of the grabbing cylinder 31 is hinged with a swing arm 32, the swing arm 32 is horizontally disposed, one side of the swing arm 32 far away from the grabbing cylinder 31 is hinged with the top of the rotating shaft 33, the grabbing cylinder 31 is used for driving one end of the swing arm 32 to displace, and as the other end of the swing arm 32 is hinged with the top of the rotating shaft 33 vertically rotating, the swing arm 32 drives the rotating shaft 33 to rotate, the bottom of the rotating shaft 33 is horizontally connected with a connecting rod 34, one end of the connecting rod 34 is provided with a rotating cylinder 35, the output end of the rotating cylinder 35 is connected with the connecting rod 34, the bottom of the rotating cylinder 35 is provided with a clamping jaw cylinder 36, the output end of the clamping jaw cylinder 36 is connected with two clamping arms 37, the rotating shaft 33 drives the connecting rod 34, the rotating cylinder 35 and the rotating cylinder 36 synchronously rotate in the rotating process, so that the clamping jaw cylinder 36 is switched between the side wall and the front of the support 21, and the top of the workbench 13 is provided with a positioning component 4, and the feeding device does not affect the top surface of the positioning component 4, and the middle of the clamping jaw 3 can not extend to the clamping jaw 37 and the clamping jaw 37 by the purpose of being further matched with the clamping jaw 37 when the clamping jaw 37 is moved to the top of the clamping jaw 37, and the clamping jaw 37, and the workpiece is further moving to the clamping position of the clamping device.

Specifically, the work piece 5 is sent to the upper portion of the workbench 13 by an external feeding device and is located in the displacement range of the clamping jaw air cylinder 36, then the piston rod of the grabbing air cylinder 31 contracts and pulls one end of the swing arm 32 to displace, so that the angle of the swing arm 32 changes, the swing arm 32 rotates along the axis of the rotating shaft 33 and drives the rotating shaft 33, the connecting rod 34, the rotating air cylinder 35 and the clamping jaw air cylinder 36 to synchronously displace, so that the clamping jaw air cylinder 36 moves to the side wall position of the bracket 21, then the rotating air cylinder 35 pushes the clamping jaw air cylinder 36 to move downwards to the work piece 5 to be clamped, the clamping jaw air cylinder 36 is used for controlling the two clamping arms 37 to clamp and acquire the work piece 5, after the work piece 5 is acquired, the piston rod of the grabbing air cylinder 31 stretches, so that the clamping jaw air cylinder 36 moves to the front position of the bracket 21.

Meanwhile, the positioning component 4 moves to the rear of the clamping arm 37, then the positioning component 4 moves forwards, so that the positioning component 4 penetrates into the workpiece 5, the positioning component 4 acquires and positions the workpiece 5, as the outer side wall of the workpiece 5 is provided with two conical surfaces with opposite angles, in order to achieve the purpose of simultaneously punching the two conical surfaces, the positioning component 4 drives the workpiece 5 to be obliquely upwards adjusted, the adjusting angle is the same as the inclination angle of the conical surfaces, the two conical surfaces on the workpiece 5 are vertically arranged, the inclination angle of the part, closest to the upper punch 23, of the upper conical surface is consistent with the punch 23, the inclination angle of the part, closest to the lower punch 23, of the lower conical surface is consistent with the inclination angle of the punch 23, and then the corresponding punch 23 is driven to move towards the workpiece 5 through the extension of piston rods of the two punching cylinders 22, so that the punching operation is simultaneously completed on the two conical surfaces of the workpiece 5, and after the punching operation is completed, the workpiece 5 is taken down from the positioning component 4 and replaced by the grabbing component 3.

In the second embodiment, referring to fig. 4, the positioning assembly 4 includes two sets of slide rails 41 installed on the top of the workbench 13 and an adjusting mechanism 42 slidably connected to the tops of the two sets of slide rails 41, the top of the adjusting mechanism 42 is connected with a supporting mechanism 43, the supporting mechanism 43 is used for positioning the workpiece 5, and when the workpiece 5 needs to be punched, the adjusting mechanism 42 drives the workpiece 5 to incline and displace, thereby adjusting the angle and position of the workpiece 5, and further, two punches 23 can simultaneously punch two inclined surfaces of the workpiece 5, the slide rails 41 are used for driving the adjusting mechanism 42 and the supporting mechanism 43 to slide back and forth on the top of the workbench 13, namely, when the grabbing assembly 3 grabs the workpiece 5, the adjusting mechanism 42 can drive the supporting mechanism 43 to move to the position of the grabbing assembly 3, and drive the adjusting mechanism 42 and the supporting mechanism 43 to slide forward through the slide rails 41, so that the supporting mechanism 43 is penetrated into the workpiece 5 to fix the workpiece 5, and after the workpiece 5 is fixed, the adjusting mechanism 42 drives the supporting mechanism 43 and the workpiece 5 to move between the two sets of punching assemblies 2, and simultaneously the adjusting mechanism 42 adjusts the inclination angle of the workpiece 5, thereby achieving the specific purposes of adjusting mechanism 42 and adjusting means as follows:

referring to fig. 4 to 7, the adjusting mechanism 42 includes a fixed seat 421 slidably connected to the tops of the two sets of sliding rails 41 and a linear guide rail 423 installed on the top of the fixed seat 421, a driving motor 422 is installed on the top of the fixed seat 421 and located at the input end of the linear guide rail 423, the driving motor 422 is connected with the input end of the linear guide rail 423, the top of the linear guide rail 423 is slidably connected with a sliding seat, the fixed seat 421 is used for bearing the linear guide rail 423 and the driving motor 422, and the fixed seat 421 is used as a base slidably connected with the two sets of sliding rails 41, so that the adjusting mechanism 42 and the supporting mechanism 43 can integrally and synchronously displace, the driving motor 422 is used for applying a driving force to the linear guide rail 423, so that the sliding seat slides along the extending direction of the linear guide rail 423, a base plate 424 is installed on the top of the sliding seat, a rotating rod 425 is connected to the top of the base plate 424, a swinging plate 427 is installed on the outer side wall of the rotating rod 425, the inside of the base plate 424 is provided with a swinging air cylinder 426, a piston rod of the swinging air cylinder 426 is hinged with the end part of a swinging plate 427 away from a rotating rod 425, a supporting mechanism 43 is arranged above the outer wall of the rotating rod 425, the base plate 424 and the rotating rod 425 are matched to support the supporting mechanism 43, the swinging air cylinder 426 is used for pulling one end of the swinging plate 427 to displace, so that the whole swinging plate 427 swings along the axis of the rotating rod 425, the whole angle of the rotating rod 425 and the supporting mechanism 43 is adjusted, when a sliding seat slides horizontally on a linear guide rail 423, the position of the supporting mechanism 43 is adjusted, the supporting mechanism 43 displaces between a punching assembly 2 and a grabbing assembly 3, so that a workpiece 5 can move from the grabbing assembly 3 to the punching assembly 2 for feeding or the grabbing assembly 3 for discharging the workpiece 5 from the punching assembly 2, and the feeding and discharging operations of the workpiece 5 are all performed at the position of the grabbing assembly 3, the supporting mechanism 43 stays at the position of the grabbing component 3, a gap exists between the two, and the workpiece 5 is fed and discharged by the sliding rail 41 to drive the adjusting mechanism 42 and the supporting mechanism 43 to move towards the grabbing component 3, so that the gap is compensated.

Referring to fig. 5, 6 and 9, the supporting mechanism 43 includes a servo motor 431 connected with the adjusting mechanism 42, the servo motor 431 faces between two groups of punching assemblies 2 and is installed above the outer wall of the rotary rod 425, the output end of the servo motor 431 is connected with a fixing rod 433, when the fixing rod 433 moves to the rear of the grabbing assembly 3, the fixing rod 433 and the workpiece 5 clamped by the clamping arm 37 are kept concentrically arranged, a shaping mechanism 432 and a fixing mechanism 436 are sequentially installed on the outer side wall of the fixing rod 433, the workpiece 5 is sleeved outside the fixing mechanism 436, the workpiece 5 is clamped and fixed by the fixing mechanism 436, the servo motor 431 is used for driving the fixing rod 433, the shaping mechanism 432, the fixing mechanism 436 and the workpiece 5 to rotate, so that the direction of the same conical surface on the workpiece 5 is adjusted, the punch 23 continuously punches the corresponding conical surface on the workpiece 5, the adjusting mechanism 42 moves through the sliding rail 41 and drives the supporting mechanism 43 to synchronously move to the position of the shaping mechanism 432 before the workpiece 5 is fixed by the fixing mechanism 436, then the adjusting mechanism 42 resets along the extending direction of the sliding rail 41, the hole 432 resets the workpiece 5 to the shaping mechanism 432, the workpiece 5 is axially pushed back to the position of the workpiece 5, and the workpiece 5 is prevented from being fixed in the axial direction, and the position of the workpiece 5 is deflected between the fixing mechanism and the position of the workpiece 5 is ensured, and the position of the workpiece is fixed.

Referring to fig. 9, the shaping mechanism 432 includes a fixing tube 4321 connected to the outer wall of the fixing rod 433, the diameter of the fixing tube 4321 is the same as that of the workpiece 5, a cutter 4322 is disposed at the end of the fixing tube 4321 away from the servo motor 431, when the adjusting mechanism 42 and the supporting mechanism 43 are integrally displaced, the workpiece 5 is kept stationary by the grabbing component 3, so that the workpiece 5 relatively slides on the outer wall of the fixing rod 433, and the workpiece 5 is cast by metal, so that the center hole of the workpiece 5 is irregular, and when the workpiece 5 moves to the position of the cutter 4322, the relative displacement of the workpiece 5 and the supporting mechanism 43 is utilized to trim the center hole, and the trimmed workpiece 5 is consistent with the diameter of the outer wall of the fixing tube 4321.

Referring to fig. 9 and 10, the fixing mechanism 436 includes a fixing disc 4364 connected to the fixing rod 433 and far from the end of the servo motor 431, and a plurality of second hinge rods 4363 hinged to the outer side wall of the fixing disc 4364, wherein the plurality of second hinge rods 4363 are equidistantly arranged, the outer side wall of the fixing rod 433 is slidably connected with a sliding disc 4361, the outer side wall of the sliding disc 4361 is equidistantly hinged with a plurality of first hinge rods 4362, the plurality of first hinge rods 4362 are correspondingly arranged with the plurality of second hinge rods 4363, the sliding disc 4361 is hinged with the corresponding second hinge rods 4363, the fixing disc 4364 is fixed at the end of the fixing rod 433, the sliding disc 4361 slides on the outer side wall of the fixing rod 433, the distance between the fixing disc 4364 and the sliding disc 4361 is adjustable, the distance between the fixing disc 4364 and the sliding disc 4361 is changed in the adjusting process, when the distance between the fixing disc 4364 and the sliding disc 4361 is larger, the largest between the first hinge rods 4362 and the second hinge rods 4362 is controlled to control the largest included angle between the first hinge rods 4362 and the second hinge rods 4363 to be still close to the second hinge rods 4363, and the second hinge rods 4363 is not guided to be 180 ° when the fixing disc 4364 is folded, and the second hinge rods are still close to the second hinge rods 4363 are guided, and the second hinge rods are not guided, and the angle is still is different from the oblique angle between the second rods and the angle between the fixing rod 4363.

Referring to fig. 10, two grooves 437 are symmetrically formed in the outer side wall of the fixing rod 433, protrusions corresponding to the grooves 437 are respectively connected to the inner walls of the fixing plate 4364 and the sliding plate 4361, the protrusions are inserted into the corresponding grooves 437, the sliding plate 4361 is axially limited by the aid of the protrusions and the grooves 437, the sliding plate 4361 is prevented from rotating on the outer wall of the fixing rod 433, the fixing plate 4364 and the sliding plate 4361 are provided with the same arrangement, and on the basis, the difference is that the fixing plate 4364 is fixedly connected with the end portion of the fixing rod 433.

Referring to fig. 9 and 10, an installation groove 435 is formed in the outer side wall of the fixing rod 433, a driving cylinder 434 is connected to the inside of the installation groove 435, two output ends of the driving cylinder 434 are disposed on the same side and are disposed up and down, the two output ends of the driving cylinder 434 are connected to a fixing mechanism 436, the driving cylinder 434 is used for applying thrust to a sliding disc 4361, so that the sliding disc 4361 can slide on the outer side wall of the fixing rod 433, the driving cylinder 434 is embedded in the installation groove 435, the diameter of the combined driving cylinder 434 and the fixing rod 433 is reduced as much as possible, the situation that a workpiece 5 is blocked and cannot be shaped after the diameter of the driving cylinder 434 is larger than that of the fixing tube 4321 is avoided, the two output ends of the driving cylinder 434 are respectively connected to the inside of two grooves 437 in a sliding manner, the output ends of the driving cylinder 434 are embedded and hidden in the inside of the grooves 437, and the diameter of the combined driving cylinder 434 and the fixing rod 433 is further reduced.

Specifically, the gripping assembly 3 moves the workpiece 5 to the front position of the bracket 21 after gripping, and the rotary cylinder 35 pushes the jaw cylinder 36 and the clamp arm 37 to move downward, the clamp arm 37 and the clamped workpiece 5 remain stationary after moving to the same height as the supporting mechanism 43, while the driving motor 422 applies driving force to the linear rail 423 to slide the slide along the extending direction of the linear rail 423, when the slide slides horizontally on the linear rail 423, the supporting mechanism 43 moves to the rear of the gripping assembly 3, then the slide rail 41 drives the adjusting mechanism 42 and the supporting mechanism 43 to slide forward, so that the fixing rod 433 of the supporting mechanism 43 is penetrated into the workpiece 5, while the workpiece 5 is kept stationary by the gripping assembly 3, so that the workpiece 5 slides relatively on the outer wall of the fixing rod 433, when the workpiece 5 moves to the position of the cutter 4322, by the relative displacement of the workpiece 5 and the supporting mechanism 43, the cutter 4322 is used for trimming the center hole, the trimmed workpiece 5 can freely slide on the outer wall of the fixed pipe 4321, after the workpiece 5 is shaped, the slide rail 41 drives the adjusting mechanism 42 and the supporting mechanism 43 to slide backwards until the workpiece 5 moves to the hinge position of the first hinge rod 4362 and the second hinge rod 4363, the output end of the driving cylinder 434 stretches and pushes the sliding disc 4361 to approach the fixed disc 4364, the distance between the fixed disc 4364 and the sliding disc 4361 is reduced, the influence of the hand extrusion force of the first hinge rod 4362 and the second hinge rod 4363 is folded, the hinge points of the first hinge rod 4362 and the second hinge rod 4363 are attached to the inner wall of the workpiece 5, so that the workpiece 5 is spread and positioned, the condition that the workpiece 5 is axially offset is avoided, after the workpiece 5 is positioned, one end of the swinging cylinder 426 pulls the swinging plate 427 is shifted, the whole swinging plate 427 swings along the axis 425 of the rotating rod, thereby adjust the whole angle of bull stick 425 and supporting mechanism 43, the work piece 5 that is located through fixed establishment 436 at this moment follows the whole upward inclination of supporting mechanism 43, angle of adjustment is the same with the inclination of conical surface, then drive the corresponding drift 23 through the extension of the piston rod of two punching cylinders 22 and remove to the direction of work piece 5, thereby accomplish the operation of punching a hole simultaneously to two conical surfaces of work piece 5, drift 23 is punching a hole the in-process, servo motor 431 drives dead lever 433, fixed establishment 436 and work piece 5 step axial rotation, thereby adjust the orientation of same conical surface different positions on the work piece 5, cause drift 23 to carry out continuous punching operation to the different positions of corresponding conical surface on the work piece 5.

After the workpiece 5 is punched, the adjusting mechanism 42 drives the supporting mechanism 43 and the workpiece 5 to move to the rear of the grabbing component 3 again, at this time, the supporting mechanism 43 is restored to be horizontal, the grabbing component 3 clamps the machined workpiece 5, meanwhile, the sliding disc 4361 moves in the direction away from the fixed disc 4364, the first hinging rod 4362 and the second hinging rod 4363 cancel supporting of the workpiece 5, the supporting mechanism 43 removes the workpiece 5 from the fixed rod 433 through back and forth movement, and the supporting mechanism 43 keeps still to wait for the grabbing component 3 to grab a new workpiece 5 again for placement.

It will be apparent that the embodiments described above are merely some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.

Claims

1. Punching device for metal casting processing, characterized in that: the automatic punching device comprises a main body assembly (1) and a positioning assembly (4) arranged at the top of the main body assembly (1), wherein a workpiece (5) is arranged at the end part of the positioning assembly (4), two groups of punching assemblies (2) are arranged in the main body assembly (1), one group of punching assemblies (2) is arranged at one side of the top of the main body assembly (1), the other group of punching assemblies (2) is arranged in the main body assembly (1), and the workpiece (5) is positioned between the two groups of punching assemblies (2);

the main body assembly (1) comprises a base (11) and a workbench (13) arranged at the top of the base (11), the positioning assembly (4) is arranged at one side of the top of the workbench (13), a stand (14) is arranged at the top of the base (11), the stand (14) extends to the upper part of the workbench (13) and is connected with a connecting plate (15), the position, close to the side wall of the workbench (13), of the connecting plate (15) is connected with one group of punching assemblies (2), a fixing plate (12) is arranged in the base (11), the other group of punching assemblies (2) is arranged at the bottom of the fixing plate (12) and extends to the lower part of the workbench (13), the workbench (13) is positioned between the two groups of punching assemblies (2), and the two groups of punching assemblies (2) are arranged in an up-down dislocation manner;

a grabbing component (3) is arranged below a group of punching components (2) connected with the connecting plate (15), and the grabbing component (3) and the corresponding group of punching components (2) are arranged in a staggered manner in the horizontal direction;

the positioning assembly (4) comprises two groups of sliding rails (41) arranged at the top of the workbench (13) and an adjusting mechanism (42) connected to the tops of the two groups of sliding rails (41) in a sliding manner, and a supporting mechanism (43) is connected to the top of the adjusting mechanism (42);

the supporting mechanism (43) comprises a servo motor (431) connected with the adjusting mechanism (42), the servo motor (431) faces between two groups of punching assemblies (2), the output end of the servo motor (431) is connected with a fixing rod (433), a shaping mechanism (432) and a fixing mechanism (436) are sequentially arranged on the outer side wall of the fixing rod (433), and the workpiece (5) is sleeved outside the fixing mechanism (436).

2. A punching device for metal casting processing according to claim 1, characterized in that: two sets of punching assembly (2) all include punching cylinder (22), two the piston rod of punching cylinder (22) sets up relatively, and support (21) are installed to the lateral wall of one of them punching cylinder (22), support (21) are connected in one side of connecting plate (15), and another punching cylinder (22) are installed in the bottom of fixed plate (12) and are extended to the below of workstation (13), and two punch (23) are all installed to the piston rod tip of punching cylinder (22).

3. A punching device for metal casting processing according to claim 2, characterized in that: the grabbing component (3) comprises a rotating shaft (33) arranged at the bottom of the support (21), the top of the rotating shaft (33) vertically penetrates through the bottom of the support (21), the bottom of the rotating shaft (33) is horizontally connected with a connecting rod (34), one end of the connecting rod (34) is provided with a rotating cylinder (35), the output end of the rotating cylinder (35) is connected with the connecting rod (34), a clamping jaw cylinder (36) is arranged at the bottom of the rotating cylinder (35), and the output end of the clamping jaw cylinder (36) is connected with two clamping arms (37).

4. A punching device for metal casting processing according to claim 3, characterized in that: the top of support (21) is installed and is snatched cylinder (31), the piston rod of snatch cylinder (31) articulates there is swing arm (32), swing arm (32) level sets up, one side that swing arm (32) kept away from snatch cylinder (31) articulates with the top of pivot (33).

5. A punching device for metal casting processing according to claim 1, characterized in that: the utility model provides an adjusting mechanism (42) is including sliding connection in fixing base (421) at two sets of slide rail (41) tops and install in linear guide (423) at fixing base (421) top, driving motor (422) are installed at the top of fixing base (421) and the position that is located linear guide (423) input, driving motor (422) are connected with linear guide (423) input, linear guide (423) top sliding connection has the slide, base plate (424) are installed at the top of slide, servo motor (431) set up in the top of base plate (424).

6. The punching device for metal casting machining according to claim 5, wherein: the top rotation of base plate (424) is connected with bull stick (425), swinging plate (427) are installed to the lateral wall of bull stick (425), the internally mounted of base plate (424) has swing cylinder (426), the piston rod of swing cylinder (426) is articulated with the tip that swinging plate (427) kept away from bull stick (425).

7. A punching device for metal casting processing according to claim 1, characterized in that: the shaping mechanism (432) comprises a fixed pipe (4321) connected to the outer side wall of the fixed rod (433), the diameter of the fixed pipe (4321) is the same as that of the workpiece (5), and a cutter (4322) is arranged at the end part of the fixed pipe (4321) far away from the servo motor (431).

8. A punching device for metal casting processing according to claim 1, characterized in that: the mounting groove (435) has been seted up to the lateral wall of dead lever (433), the internal connection of mounting groove (435) has drive cylinder (434), two output of drive cylinder (434) all set up in homonymy and both upper and lower settings, just two output of drive cylinder (434) all are connected with fixed establishment (436).

9. The punching device for metal casting machining according to claim 8, wherein: fixed establishment (436) is including connecting in fixed disk (4364) that servo motor (431) tip was kept away from to dead lever (433) and articulating in a plurality of second articulated rod (4363) of fixed disk (4364) lateral wall, a plurality of second articulated rod (4363) equidistance sets up, lateral wall sliding connection of dead lever (433) has sliding tray (4361), the lateral wall equidistance of sliding tray (4361) articulates there are a plurality of first articulated rod (4362), a plurality of first articulated rod (4362) set up corresponding with a plurality of second articulated rod (4363), sliding tray (4361) articulates with corresponding second articulated rod (4363) mutually.

10. The punching device for metal casting machining according to claim 9, characterized in that: two grooves (437) are symmetrically formed in the outer side wall of the fixing rod (433), two output ends of the driving cylinder (434) are respectively connected to the inner parts of the two grooves (437) in a sliding mode, protrusions corresponding to the grooves (437) are respectively connected to the inner walls of the fixing disc (4364) and the inner walls of the sliding disc (4361), and the protrusions are inserted into the corresponding grooves (437).