CN116851552A

CN116851552A - Punching equipment for chassis shell

Info

Publication number: CN116851552A
Application number: CN202310971249.6A
Authority: CN
Inventors: 宗辉; 宗世民
Original assignee: Xuzhou Medical Innovation Chassis Technology Co ltd
Current assignee: Xuzhou Medical Innovation Chassis Technology Co ltd
Priority date: 2023-08-03
Filing date: 2023-08-03
Publication date: 2023-10-10

Abstract

The application discloses punching equipment for a chassis shell, which comprises a punching table, a lower die holder, a clamping assembly, a punching assembly, an adjusting assembly, two burr removing assemblies and a first transmission assembly, wherein the lower die holder is fixedly arranged on the table top of the punching table; the punch is connected with the driving assembly and is positioned right above the through hole; the punch is provided with a containing cavity, the adjusting component and the two burr removing components are arranged in the containing cavity, and the two burr removing components are connected through the adjusting component; the first transmission assembly is respectively connected with the driving assembly and the punch. Therefore, burrs on the inner wall of the hole, the upper edge of the hole and the lower edge of the hole can be removed, the punching quality of the chassis shell is improved, and damage to the punch and related personnel is further reduced.

Description

Punching equipment for chassis shell

Technical Field

The application relates to the technical field of punching equipment, in particular to punching equipment for a chassis shell.

Background

Punching refers to punching various patterns on materials such as steel plates, leather, cloth, wood plates and the like to adapt to different requirements. The conventional method for punching holes is to use a punching die to process through holes on a flat plate. According to the relation between the moving direction of the male die and the moving direction of the slide block of the press during the operation of the die, the punching can be divided into a vertical punching mode and a horizontal punching mode. The vertical punching is that the moving direction of the male die is consistent with the moving direction of the slide block of the press. The male die is arranged on an upper die and reciprocates up and down along with a press slide block, and the female die is arranged on a cantilever bracket of a lower die.

When the chassis is punched, burrs are generated during punching due to the clearance of the blanking die, and when the die opening size is determined by conforming to the workpiece size by the female die, namely, the female die is fixed on the slide block of the press, the punched burrs are positioned on the upper surface of the metal plate; when the size of the punching die is determined by the male die, and then the gap is ensured by enlarging the female die, namely, the male die is fixed on the slide block of the press, the punched burrs are positioned on the lower surface of the metal plate.

Chinese patent (issued publication number: CN 111151643B) discloses an intelligent processing punching device for a chassis, which comprises a machine body, wherein a control adjusting device is arranged at the top of the machine body, a material cleaning belt is arranged at the middle part of the machine body, a die is arranged above the material cleaning belt, a clamping and positioning device is arranged on the front surface of the die, the bottom of the control adjusting device is connected with a punching jacket and a punch structure, a punching jacket structure is sleeved outside the punch structure, and a scraper, a reverse punch and a spiral convex ring are sequentially arranged from the bottom to the top of the outer surface of the punching jacket structure. This intelligent processing punching device of quick-witted case through setting up the punching press overcoat that can press at quick-witted case panel surface when the punching press and the reverse punch that can reverse punching press, can correct the hole edge that collapses when punching a hole, through setting up the punching sleeve structure of taking reverse punch, scraper and spiral bulge loop, can get rid of the attached burr of hole inner wall, improves the precision of punching a hole.

However, according to the technical scheme, burrs attached to the inner wall of the hole can be removed only by the scraper, burrs on the upper edge and the lower edge of the hole cannot be removed, so that the punching quality is low, the punch is easily scratched by the removed burrs, and workers can be scratched, so that the punch and related workers are damaged.

Disclosure of Invention

The present application aims to solve at least one of the technical problems in the related art to some extent.

Therefore, an object of the present application is to provide a punching device for a chassis housing, which can remove burrs on an inner wall of a hole, an upper edge and a lower edge of the hole, improve punching quality of the chassis housing, and further reduce damage to punches and related personnel.

In order to achieve the above objective, an embodiment of a first aspect of the present application provides a punching device for a chassis housing, including a punching table, a lower die holder, a clamping assembly, a punching assembly, an adjusting assembly, two burr removing assemblies and a first transmission assembly, wherein the lower die holder is fixedly arranged on a table top of the punching table, and a through hole is formed in the lower die holder in a penetrating manner; the clamping assembly is arranged on the lower die holder and used for clamping and fixing the metal plate; the punching assembly is connected with the supporting plate and is used for punching the metal plate; the punching assembly comprises a driving assembly and a punch, wherein the driving assembly is arranged on the supporting plate; the punch is connected with the driving assembly and is positioned right above the through hole; the punch is provided with a containing cavity, the adjusting component and the two burr removing components are arranged in the containing cavity, and the two burr removing components are connected through the adjusting component, wherein the adjusting component is used for adjusting the positions of the two burr removing components; the burr removing assembly is used for removing burrs on the inner wall of the hole, the upper edge of the hole and the lower edge of the hole; the first transmission assembly is respectively connected with the driving assembly and the punch, wherein the first transmission assembly is used for driving the punch to rotate.

According to the punching equipment for the chassis shell, disclosed by the embodiment of the application, burrs on the inner wall of the hole, the upper edge and the lower edge of the hole can be removed through the burr removing assembly, so that the punching quality of the chassis shell is improved, and the damage to the punch and related personnel is further reduced.

In addition, the punching device for the chassis housing provided by the application can also have the following additional technical characteristics:

in one embodiment of the application, the adjusting assembly comprises a first motor, a rotating shaft, two worms, two worm gears, two rod sleeves and a plurality of screw rods, wherein the first motor is fixedly arranged on the inner wall of the accommodating cavity; one end of the rotating shaft is fixedly connected with the output shaft of the first motor, and the other end of the rotating shaft is rotatably connected with the inner wall of the accommodating cavity; the two worms are fixedly arranged on the rotating shaft; the two worm wheels are respectively and fixedly arranged on the corresponding rod sleeve, and are respectively meshed with the corresponding worm; the screw rod is connected with the two ends of the rod sleeve in a threaded manner respectively, and one end, deviating from the rod sleeve, of the screw rod is connected with the burr removing assembly.

In one embodiment of the application, the burr removal assembly comprises a first tool holder, two second tool holders, a first removal tool and two second removal tools, wherein the first tool holder is fixedly arranged at one end of the screw, which is away from the rod sleeve; the first removing knife is detachably arranged on one surface, adjacent to the punching hole, of the first knife holder; grooves are formed in the upper surface and the lower surface of the first removing knife, springs are arranged in the grooves, and the two second knife holders are respectively connected with the corresponding springs; the two second removing cutters are respectively arranged on the opposite surfaces of the two second cutter seats.

In one embodiment of the application, the inner upper wall and the inner lower wall of the accommodating cavity are respectively provided with a first chute, and one surface of the two second tool holders, which is opposite to each other, is fixedly provided with an extrusion plate which is in sliding connection with the first chute.

In one embodiment of the application, the driving assembly comprises a hydraulic cylinder, a lower pressing plate and two spring telescopic rods, wherein the hydraulic cylinder is arranged on the supporting plate; the lower pressing plate is fixedly connected with the output end of the hydraulic cylinder, and the punch is rotatably arranged on the lower surface of the lower pressing plate; the two spring telescopic rods are respectively arranged at two sides of the hydraulic cylinder, and two ends of each spring telescopic rod are respectively connected with the lower pressing plate and the supporting plate.

In one embodiment of the application, the first transmission assembly comprises a second motor, a transmission shaft and two gears, wherein the second motor is fixedly arranged on the lower pressing plate; the transmission shaft is fixedly connected with an output shaft of the second motor; the two gears are fixedly arranged on the transmission shaft and the punch respectively, and the two gears are meshed with each other.

In one embodiment of the application, the clamping assembly comprises a second transmission assembly, two ball screws, a plurality of nut sliding blocks and a plurality of clamping plates, wherein a shell is fixedly arranged on the side wall of the lower die holder, and the second transmission assembly is arranged in the shell; the two ball screws are respectively and rotatably arranged in the lower die holder, and each ball screw is provided with two nut sliding blocks; the upper surface of the lower die holder is provided with a plurality of second sliding grooves, and a plurality of nut sliding blocks are respectively arranged in the corresponding second sliding grooves in a sliding manner; the clamping plates are fixedly arranged on the upper surfaces of the corresponding nut sliding blocks respectively.

In one embodiment of the application, the second transmission assembly comprises a third motor, two chain wheels and a toothed chain, wherein the third motor is fixedly arranged on the inner wall of the shell; one end of each of the two ball screws extends to the inside of the shell, one ball screw is fixedly connected with the output shaft of the third motor, and the other ball screw is rotatably connected with the shell; the two chain wheels are respectively and fixedly arranged on the corresponding ball screw; the toothed chains are sleeved on the two chain wheels, and the chain wheels are meshed with the toothed chains.

Additional aspects and advantages of the application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the application.

Drawings

The foregoing and/or additional aspects and advantages of the application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

fig. 1 is a schematic structural view of a punching apparatus for a chassis housing according to an embodiment of the present application;

fig. 2 is a cross-sectional view of a punching apparatus of a chassis housing according to one embodiment of the present application;

fig. 3 is a schematic structural view of an adjusting assembly and a burr removing assembly in a punching apparatus of a chassis housing according to an embodiment of the present application;

FIG. 4 is an enlarged schematic view of the area A in FIG. 2 according to an embodiment of the present application;

fig. 5 is a schematic structural view of a punching apparatus for chassis housing according to another embodiment of the present application.

As shown in the figure: 1. a stamping table; 2. a lower die holder; 3. a clamping assembly; 4. a punching assembly; 5. an adjustment assembly; 6. a burr removal assembly; 7. a first transmission assembly; 8. a support plate; 9. an extrusion plate; 11. a housing; 20. a through hole; 21. a second chute; 30. a second transmission assembly; 31. a ball screw; 32. a nut slider; 33. a clamping plate; 300. a third motor; 301. a sprocket; 302. a toothed chain; 40. a drive assembly; 400. a hydraulic cylinder; 401. a lower pressing plate; 402. a spring telescoping rod; 41. a punch; 410. a receiving chamber; 411. a first chute; 50. a first motor; 51. a rotating shaft; 52. a worm; 53. a worm wheel; 54. a rod sleeve; 55. a screw; 60. a first tool apron; 61. a second tool apron; 62. a first removal blade; 63. a second removal blade; 64. a spring; 620. a groove; 70. a second motor; 71. a transmission shaft; 72. a gear.

Detailed Description

Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present application and should not be construed as limiting the application. On the contrary, the embodiments of the application include all alternatives, modifications and equivalents as may be included within the spirit and scope of the appended claims.

The punching apparatus of the chassis housing according to the embodiment of the present application is described below with reference to the accompanying drawings.

The punching equipment for the chassis outer shell provided by the embodiment of the application can be applied to a chassis processing workshop, and burrs on the inner wall of the hole, the upper edge of the hole and the lower edge of the hole can be removed in the process of punching the metal plate, so that the punching quality of the chassis outer shell is improved, and the damage to the punch and related personnel is further reduced.

As shown in fig. 1 to 4, the punching apparatus for a chassis housing according to an embodiment of the present application may include a punching stage 1, a lower die holder 2, a clamping assembly 3, a punching assembly 4, an adjusting assembly 5, two burr removing assemblies 6, and a first transmission assembly 7.

Wherein, die holder 2 is fixed to be set up on the mesa of punching press platform 1, and runs through on the die holder 2 and be equipped with through-hole 20, and clamping component 3 sets up on die holder 2, and wherein, clamping component 3 for it is fixed to carry out the centre gripping to the metal sheet.

It should be noted that the through hole 20 described in this embodiment facilitates the passage of the punch 41 to punch the metal plate.

Further, in order to facilitate collection of chips generated during punching, a collection box may be provided inside the punching stage 1, the collection box being located below the through hole 20, and the collection box may be drawably provided inside the punching stage 1 through a guide rail.

The supporting plate 8 is fixedly arranged on the stamping table 1, the punching assembly 4 is connected with the supporting plate 8, the punching assembly 4 is used for punching a metal plate, the punching assembly 4 can comprise a driving assembly 40 and a punch 41, the driving assembly 40 is arranged on the supporting plate 8, the punch 41 is connected with the driving assembly 40, and the punch 41 is located right above the through hole 20.

It should be noted that, in this embodiment, the support plate 8 is a U-shaped plate, and the support plate 8 supports the punching assembly 4.

Further, the diameter of the cross section of the punch 41 described in the above embodiment is smaller than the diameter of the through-hole 20 so that the punch 41 can freely pass through the through-hole 20, and further, the through-hole 20 communicates with the collecting box, and chips generated during punching pass through the through-hole 20 into the inside of the collecting box.

The punch 41 is provided with a containing cavity 410, an adjusting component 5 and two burr removing components 6 are arranged in the containing cavity 410, the two burr removing components 6 are connected through the adjusting component 5, the adjusting component 5 is used for adjusting the positions of the two burr removing components 6, the burr removing components 6 are used for removing burrs on the inner wall of a hole, the upper edge of the hole and the lower edge of the hole, and a first transmission component 7 is respectively connected with a driving component 40 and the punch 41, wherein the first transmission component 7 is used for driving the punch 41 to rotate.

It should be noted that, in this embodiment, the two burr removing assemblies 6 are symmetrically disposed, and the two burr removing assemblies 6 are disposed on two sides of the adjusting assembly 5, so that the two burr removing assemblies 6 can be adjusted by the adjusting assembly 5 to be placed in the accommodating cavity 410 or extend out of the accommodating cavity 410, so as to facilitate the treatment of burrs on the inner wall of the hole, the upper edge and the lower edge of the hole.

Further, the driving assembly 40 can drive the punch 41 to rotate, so that the burr removing assembly 6 is driven to rotate, and the purpose of comprehensively removing burrs on the holes is achieved.

In order to further clearly illustrate the above embodiment, in one embodiment of the present application, as shown in fig. 3, the adjusting assembly 5 may include a first motor 50, a rotating shaft 51, two worm gears 52, two worm gears 53, two rod sleeves 54 and a plurality of screw rods 55, wherein the first motor 50 is fixedly disposed on an inner wall of the accommodating cavity 410, one end of the rotating shaft 51 is fixedly connected with an output shaft of the first motor 50, the other end of the rotating shaft 51 is rotatably connected with the inner wall of the accommodating cavity 410, the two worm gears 52 are fixedly disposed on the rotating shaft 51, the two worm gears 53 are fixedly disposed on the corresponding rod sleeves 54, the two worm gears 53 are respectively engaged with the corresponding worm gears 52, two ends of the rod sleeve 54 are respectively screwed with the screw rods 55, and one end of the screw rod 55 facing away from the rod sleeve 54 is connected with the burr removing assembly 6.

It should be noted that, in this embodiment, the screw 55 is provided with an external thread, the rod sleeve 54 is provided with an internal thread, and the internal thread and the external thread are mutually matched to realize threaded connection, and by driving the rod sleeve 54 to rotate, the length of the screw 55 screwed into the rod sleeve 54 can be adjusted, so that the position of the burr removing assembly 6 can be adjusted.

Further, as shown in fig. 3, the burr removing assembly 6 may include a first tool holder 60, two second tool holders 61, a first removing tool 62 and two second removing tools 63, where the first tool holder 60 is fixedly disposed at one end of the screw 55 facing away from the rod sleeve 54, the first removing tool 62 is detachably disposed on one surface of the first tool holder 60 adjacent to the punched hole, the upper surface and the lower surface of the first removing tool 62 are both provided with a groove 620, a spring 64 is disposed in the groove 620, the two second tool holders 61 are respectively connected with the corresponding springs 64, and the two second removing tools 63 are respectively disposed on opposite surfaces of the two second tool holders 61.

It should be noted that, in the embodiment, the grooves 620 are disposed at two ends of the first tool holder 60, one end of the spring 64 is fixedly connected to the wall of the groove 620, and the other end of the spring 64 is fixedly connected to the second tool holder 61.

Further, the first tool holder 61 and the two second tool holders 62 described in the above embodiments form a U-shaped structure, and when actually deburring, the first removing tool 62 is attached to the inner wall of the hole, and the two second removing tools 63 are attached to the upper edge and the lower edge of the hole, respectively, so that burrs on the inner wall, the upper edge and the lower edge of the hole can be removed, punching quality is improved, the burrs are prevented from wearing the punch 41, and damage to related personnel caused by the burrs can be prevented.

It will be appreciated that the first removal blade 62 and the two second removal blades 63 are detachably connected to the first blade seat 61 and the two second blade seats 62, respectively, to facilitate replacement of the first removal blade 62 and the second removal blade 63.

Further, as shown in fig. 3 and 4, the inner upper wall and the inner lower wall of the accommodating cavity 410 are respectively provided with a first chute 411, and the opposite surfaces of the two second tool holders 61 are respectively fixedly provided with an extrusion plate 9, and the extrusion plates 9 are slidably connected with the first chute 411.

It should be noted that, in the embodiment, the first chute 411 is obliquely disposed, when the pressing plates 9 move away from the axial direction of the punch 41, the two pressing plates 9 on the same side are close to each other, so that the pressing spring 64 deforms and drives the two second tool holders 61 connected to the same first tool holder 60 to close to each other, so that the second removing tool 63 is close to the upper edge and the lower edge of the hole, and burrs on the upper edge and the lower edge are removed conveniently.

In one embodiment of the present application, as shown in fig. 1, the driving assembly 40 may include a hydraulic cylinder 400, a lower platen 401, and two spring telescopic rods 402, wherein the hydraulic cylinder 400 is disposed on the support plate 8, the lower platen 401 is fixedly connected with an output end of the hydraulic cylinder 400, and the punch 41 is rotatably disposed on a lower surface of the lower platen 401, the two spring telescopic rods 402 are disposed at both sides of the hydraulic cylinder 400, and both ends of the spring telescopic rods 402 are connected with the lower platen 401 and the support plate 8, respectively.

It should be noted that, the spring telescopic rod 402 described in this embodiment may include a spring and a telescopic rod, where two ends of the telescopic rod are fixedly connected with the support plate 8 and the lower pressure plate 401, the spring is sleeved outside the telescopic rod, two ends of the spring are respectively abutted with the support plate 8 and the lower pressure plate 401, and the spring telescopic rod 40 can make the lower pressure plate 401 move more stably.

Further, the use of the hydraulic cylinder 400 is only a preferred embodiment of the present embodiment, and the present application is not limited thereto, and in other embodiments, the position of the punch 41 may be adjusted by using an electric push rod or the like.

In one embodiment of the present application, as shown in fig. 2, the first transmission assembly 7 may include a second motor 70, a transmission shaft 71, and two gears 72, wherein the second motor 70 is fixedly disposed on the lower platen 401, the transmission shaft 71 is fixedly connected with an output shaft of the second motor 70, the two gears 72 are fixedly disposed on the transmission shaft 71 and the punch 41, respectively, and the two gears 72 are engaged with each other.

In the embodiment of the application, the second motor 70 can drive the transmission shaft 71 to rotate, and the punch 41 is driven to rotate through the cooperation of the two gears 72, so that burrs on the inner wall of the hole, the upper edge of the hole and the lower edge of the hole are removed.

In one embodiment of the present application, as shown in fig. 2, the clamping assembly 3 may include a second transmission assembly 30, two ball screws 31, a plurality of nut sliding blocks 32 and a plurality of clamping plates 33, wherein the housing 11 is fixedly disposed on a sidewall of the lower die holder 2, the second transmission assembly 30 is disposed in the housing 11, the two ball screws 31 are respectively rotatably disposed in the lower die holder 2, two nut sliding blocks 32 are disposed on each ball screw 31, a plurality of second sliding grooves 21 are formed on an upper surface of the lower die holder 2, the plurality of nut sliding blocks 32 are respectively slidably disposed in the corresponding second sliding grooves 21, and the plurality of clamping plates 33 are respectively fixedly disposed on an upper surface of the corresponding nut sliding blocks 32.

It should be noted that, in the embodiment described, the ball screw 31 is provided with two threads with opposite directions, and when the ball screw 31 rotates, the two nut sliders 32 on the ball screw 31 approach each other and drive the corresponding clamping plates 33 to approach each other, so as to fix the metal plate conveniently.

Further, the clamping plate 33 described in the above embodiment has an L-shaped structure, and when clamping the metal plate, the horizontal plate of the L-shaped clamping plate 33 is pressed against the metal plate, preventing the metal plate from being lifted up when the punch 41 moves upward, causing the metal plate to deviate, thereby ensuring the accuracy of punching.

Further, as shown in fig. 2 and 5, the second transmission assembly 30 may include a third motor 300, two sprockets 301 and a toothed chain 302, wherein the third motor 300 is fixedly disposed on an inner wall of the housing 11, one ends of the two ball screws 31 extend into the housing 11, one ball screw 31 is fixedly connected with an output shaft of the third motor 300, the other ball screw 31 is rotatably connected with the housing 11, the two sprockets 301 are fixedly disposed on the corresponding ball screws 31, the toothed chain 302 is sleeved on the two sprockets 301, and the sprockets 301 are meshed with the toothed chain 302.

In the embodiment of the application, through the mutual matching of the chain wheel 301 and the toothed chain 302, two ball screws 31 can be simultaneously driven to rotate through one motor, and the metal plates are clamped and fixed through a plurality of clamping plates 33, so that the manufacturing cost of the punching equipment of the application is reduced.

Specifically, when punching a metal plate, firstly, a related person places the metal plate to be processed on the upper surface of the lower die holder 2, and controls the third motor 300 to start, the third motor 300 drives one of the ball screws 31 to rotate, and drives the other ball screw 31 to rotate through the mutual cooperation of the chain wheel 301 and the toothed chain 302, so that two clamping plates 33 on the same ball screw 31 are driven to approach each other until the clamping plates 33 are abutted against the side walls of the metal plate.

Then, the related personnel control the hydraulic cylinder 400 to start, and the hydraulic cylinder 400 drives the lower pressing plate 401 to move downwards, so that the punch 41 is driven to move downwards to punch the metal plate.

When the punching is completed, the punch 41 is located in the hole, the related personnel control the first motor 50 to start, the first motor 50 drives the rotating shaft 51 to rotate in the first direction, and drives the two rod sleeves 54 to rotate through the mutual cooperation of the worm 52 and the worm wheel 53, the two screws 55 connected with the rod sleeves 54 are limited by the extrusion plate 9 and the first sliding groove 411, so that the two screws 55 connected with the rod sleeves 54 move away from the direction of the rod sleeves 54, namely, the screws 55 are rotated out of the rod sleeves 54, so as to drive the two burr removing components 6 to move out of the accommodating cavity 410 until the first removing blades 62 are contacted with the inner wall of the hole, meanwhile, when the extrusion plate 9 slides away from the axis direction of the punch 41, the extrusion plate 9 is limited by the first sliding groove 411, the extrusion plate 9 deforms through the second blade holders 61 to enable the two second blade holders 61 connected with the same first blade holders 60 to approach each other, and further enable the second removing blades 63 on the two second blade holders 61 to be respectively attached to the upper edge and the lower edge of the hole.

Finally, related personnel control the second motor 70 to start, and through the cooperation of two gears 72, drive the drift 41 rotation, the rotation of drift 41 drives first removal sword 62 and second removal sword 63 rotation to get rid of the burr on hole inner wall, hole upper edge and the lower limb, improved the punching quality of metal sheet, the burr after getting rid of can drop into the collecting box through the through-hole 20.

After the burr removal is completed, the related personnel controls the second motor 70 to be turned off, and drives the rotating shaft 51 to rotate in the second direction through the first motor 50, so that the two burr removal components 6 are close to each other until the two burr removal components 6 are completely accommodated in the accommodating cavity 410.

In summary, the punching equipment for the chassis outer shell provided by the embodiment of the application can remove burrs on the inner wall of the hole, the upper edge and the lower edge of the hole through the burr removing assembly, so that the punching quality of the chassis outer shell is improved, and the damage to the punch and related personnel is further reduced.

In the description of this specification, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the application.

Claims

1. The punching equipment of the chassis shell is characterized by comprising a punching platform, a lower die holder, a clamping component, a punching component, an adjusting component, two burr removing components and a first transmission component, wherein,

the lower die holder is fixedly arranged on the table top of the stamping table, and a through hole is formed in the lower die holder in a penetrating manner;

the clamping assembly is arranged on the lower die holder and used for clamping and fixing the metal plate;

the punching assembly is connected with the supporting plate and is used for punching the metal plate;

the punch assembly includes a drive assembly and a punch, wherein,

the driving component is arranged on the supporting plate;

the punch is connected with the driving assembly and is positioned right above the through hole;

the punch is provided with a containing cavity, the adjusting component and the two burr removing components are arranged in the containing cavity and are connected through the adjusting component, wherein,

the adjusting assembly is used for adjusting the positions of the two burr removing assemblies;

the burr removing assembly is used for removing burrs on the inner wall of the hole, the upper edge of the hole and the lower edge of the hole;

the first transmission assembly is respectively connected with the driving assembly and the punch, wherein the first transmission assembly is used for driving the punch to rotate.

2. The apparatus of claim 1, wherein the adjustment assembly comprises a first motor, a shaft, two worms, two worm gears, two bar sleeves, and a plurality of screws, wherein,

the first motor is fixedly arranged on the inner wall of the accommodating cavity;

one end of the rotating shaft is fixedly connected with the output shaft of the first motor, and the other end of the rotating shaft is rotatably connected with the inner wall of the accommodating cavity;

the two worms are fixedly arranged on the rotating shaft;

the two worm wheels are respectively and fixedly arranged on the corresponding rod sleeve, and are respectively meshed with the corresponding worm;

the screw rod is connected with the two ends of the rod sleeve in a threaded manner respectively, and one end, deviating from the rod sleeve, of the screw rod is connected with the burr removing assembly.

3. The apparatus of claim 2, wherein the burr removal assembly comprises a first tool post, two second tool posts, a first removal tool, and two second removal tools, wherein,

the first tool apron is fixedly arranged at one end of the screw rod, which is away from the rod sleeve;

the first removing knife is detachably arranged on one surface, adjacent to the punching hole, of the first knife holder;

grooves are formed in the upper surface and the lower surface of the first removing knife, springs are arranged in the grooves, and the two second knife holders are respectively connected with the corresponding springs;

the two second removing cutters are respectively arranged on the opposite surfaces of the two second cutter seats.

4. The punching device for the chassis housing according to claim 3, wherein the inner upper wall and the inner lower wall of the accommodating cavity are provided with first sliding grooves, and two opposite sides of the second tool apron are fixedly provided with extrusion plates, and the extrusion plates are slidably connected with the first sliding grooves.

5. The apparatus of claim 1, wherein the drive assembly comprises a hydraulic cylinder, a lower platen, and two spring telescoping rods, wherein,

the hydraulic cylinder is arranged on the supporting plate;

the lower pressing plate is fixedly connected with the output end of the hydraulic cylinder, and the punch is rotatably arranged on the lower surface of the lower pressing plate;

the two spring telescopic rods are respectively arranged at two sides of the hydraulic cylinder, and two ends of each spring telescopic rod are respectively connected with the lower pressing plate and the supporting plate.

6. The apparatus of claim 5, wherein the first drive assembly comprises a second motor, a drive shaft, and two gears, wherein,

the second motor is fixedly arranged on the lower pressing plate;

the transmission shaft is fixedly connected with an output shaft of the second motor;

the two gears are fixedly arranged on the transmission shaft and the punch respectively, and the two gears are meshed with each other.

7. The apparatus of claim 1, wherein the clamping assembly comprises a second transmission assembly, two ball screws, a plurality of nut blocks, and a plurality of clamping plates, wherein,

a shell is fixedly arranged on the side wall of the lower die holder, and the second transmission assembly is arranged in the shell;

the two ball screws are respectively and rotatably arranged in the lower die holder, and each ball screw is provided with two nut sliding blocks;

the upper surface of the lower die holder is provided with a plurality of second sliding grooves, and a plurality of nut sliding blocks are respectively arranged in the corresponding second sliding grooves in a sliding manner;

the clamping plates are fixedly arranged on the upper surfaces of the corresponding nut sliding blocks respectively.

8. The apparatus of claim 7, wherein the second transmission assembly comprises a third motor, two sprockets and a toothed chain, wherein,

the third motor is fixedly arranged on the inner wall of the shell;

one end of each of the two ball screws extends to the inside of the shell, one ball screw is fixedly connected with the output shaft of the third motor, and the other ball screw is rotatably connected with the shell;

the two chain wheels are respectively and fixedly arranged on the corresponding ball screw;

the toothed chains are sleeved on the two chain wheels, and the chain wheels are meshed with the toothed chains.