CN115156389A

CN115156389A - Automobile rear bumper girder steel punching device

Info

Publication number: CN115156389A
Application number: CN202211093295.2A
Authority: CN
Inventors: 王欢欢; 王鹏; 王红刚; 姬世利; 叶振亚
Original assignee: Nanpi Xingye Air Conditioning Equipment Co ltd
Current assignee: Nanpi Xingye Air Conditioning Equipment Co ltd
Priority date: 2022-09-08
Filing date: 2022-09-08
Publication date: 2022-10-11
Anticipated expiration: 2042-09-08
Also published as: CN115156389B

Abstract

The invention relates to the technical field of steel beam stamping, in particular to a punching device for a steel beam of an automobile rear bumper. The technical problem is as follows: the utility model provides a back is accomplished the girder steel punching device to the girder steel punching press, can handle the bellied burr in girder steel punching press department bottom. The invention provides a punching device for a steel beam of an automobile rear bumper, which comprises a supporting seat, an installation plate and a hydraulic punching machine, wherein the installation plate is connected to the top of the supporting seat, and the hydraulic punching machine for punching the steel beam is installed on the top of the installation plate. After the punching is finished, the contact between the polishing disc and the burrs protruding from the bottom of the steel beam punching position can be controlled, and meanwhile, the driving motor is started to drive the polishing disc to rotate so as to polish the burrs protruding from the steel beam punching position, so that the technical effect of polishing the burrs protruding from the steel beam punching position is achieved.

Description

Automobile rear bumper girder steel punching device

Technical Field

The invention relates to the technical field of steel beam stamping, in particular to a punching device for a steel beam of an automobile rear bumper.

Background

When a bumper of an automobile is assembled, a steel beam is generally required to be used, and before the bumper of the automobile is assembled by using the steel beam, the steel beam needs to be punched, so that a corresponding mounting hole is punched in the steel beam.

Through retrieval, the Chinese patent with the granted patent publication number of CN207386277U discloses a stamping device for reinforcing steel beams, which comprises a frame, wherein the upper end of the frame is provided with a stamping template, the stamping template is connected with a stamping die through a connecting rod, and the stamping template is connected with a cylinder; the lower end of the frame is provided with a working table top, the working table top is provided with a stamping die capable of placing a door and window steel beam, the stamping die plate is provided with a distance sensor, and the connecting rod is provided with a buffer device; the middle part of the stamping die is provided with a fixed substrate, and the two sides of the fixed substrate are provided with heating sheets which are connected with the fixed substrate through screws. The beneficial effects of the invention are as follows: (1) A buffer device is arranged between the guide sleeves between the upper template and the lower template, so that the stamping time and the stamping strength can be effectively adjusted; (2) An infrared distance sensor is arranged, so that the distance between the upper template and the lower template can be effectively monitored, and the corresponding stamping mode can be adjusted; (3) The heating device is arranged in the middle of the die holder, and the heating pipes are arranged on two sides of the die holder, so that hot pressing can be realized, and the material forming is facilitated.

The above patents suffer from the following disadvantages:

1. after the steel beam is stamped, burrs protrude from the bottom of the stamped part, but the structure for processing the burrs is not arranged in the patent, so that an operator needs to use additional grinding equipment for processing the burrs, and the operation process is complicated;

2. and utilize other equipment of polishing to polish the girder steel, cause easily that the girder steel is omitted, lead to leaking the condition of grinding and take place, be difficult to guarantee the uniformity of product.

Therefore, it is necessary to design a punching apparatus for a steel beam of a rear bumper, which can process the bottom-protruding burr of the steel beam punching part after the steel beam punching is finished.

Disclosure of Invention

In order to overcome above-mentioned patent when punching press the girder steel, still need to use the shortcoming that other equipment of polishing handled bellied burr, technical problem: the utility model provides a rear bumper girder steel punching device that can handle the bellied burr in girder steel punching press department bottom after finishing to the girder steel punching press.

The technical scheme is as follows: the utility model provides a rear bumper girder steel punching device, including supporting seat, mounting panel and hydraulic press, the supporting seat top is connected with the mounting panel, and the hydraulic press that is used for the girder steel to carry out the punching press is installed at the mounting panel top, and still including adjustable support frame and burr removal mechanism, be equipped with the adjustable support frame that is used for supporting the girder steel on the mounting panel, be provided with between adjustable support frame and the hydraulic press and be used for carrying out the burr removal mechanism that gets rid of the bellied burr of girder steel behind the punching press.

Optionally, the adjustable support frame is including the roof, locating piece and screw rod, and mounting panel top sliding type is connected with the roof, and the roof is located hydraulic punching machine below, and the position rotary type that the mounting panel top is close to the roof is connected with the screw rod, screw rod and roof threaded connection, screw rod are used for adjusting the roof and go up and down, and the roof top is connected with and is used for supporting the locating piece with the location to the girder steel, and the locating piece is located hydraulic punching machine under.

Optionally, the positioning block and the top plate are respectively provided with a through groove corresponding to each other for movement of the burr removing mechanism.

Optionally, the burr is got rid of the mechanism including the switch, the sliding tray, the extrusion piece, stamping die, the subassembly of polishing, the elastic component, electro-magnet and iron plate, install the switch on hydraulic press's the piston ram rod, hydraulic press's piston ram rod can trigger switch open after retracting completely, logical inslot sliding type is connected with the sliding tray, sliding tray one side is connected with stamping die, be equipped with between sliding tray opposite side and the stamping die and be used for carrying out the subassembly of polishing to convex burr after the girder steel punching press, locating piece top at least one side is connected with the extrusion piece, be connected with the elastic component between subassembly of polishing and the roof, it is connected with the electro-magnet to lead to the lateral wall of inslot keeping away from the subassembly of polishing, electro-magnet and switch have electric connection, one side that stamping die is close to the electro-magnet is connected with the iron plate, the cooperation is inhaled with the electro-magnet to the iron plate.

Optionally, the subassembly of polishing is including driving motor, interior rhombus sleeve, make mill and rhombus pole, stamping die keeps away from one side of electro-magnet and installs driving motor, the elastic component is connected between driving motor and roof bottom, driving motor passes through electric connection with the switch, be connected with interior rhombus sleeve on driving motor's the output shaft, interior rhombus sleeve is connected with the sliding tray rotary type, sliding connection has the rhombus pole in the interior rhombus sleeve, the rhombus pole top is connected with and is used for carrying out the mill of polishing to the bellied burr behind the girder steel punching press.

Optionally, the tops of the extrusion blocks are all obliquely arranged, the polishing disc is in contact with the tops of the extrusion blocks, and the polishing disc moves upwards along the inclined plane at the tops of the extrusion blocks to be in contact with the steel beam punching positions in the moving process.

Optionally, still pack including being used for the hollow position inside the girder steel to prevent that the atress is uneven when carrying out the punching press to the girder steel from leading to the filling mechanism who warp, filling mechanism is including backing plate and rubber filling block, and at least one side rotary type of roof is connected with the backing plate, is connected with the rubber filling block on the backing plate, and the rubber filling block is used for filling the inside hollow position of girder steel, makes the girder steel atress more even when the punching press, in order to prevent that the girder steel warp when the punching press.

Optionally, still including being used for driving the rubber filling block and removing the actuating mechanism to the inside hollow position of girder steel, actuating mechanism is including driving piece, link, connecting rod and extrusion stem, installs the driving piece on the roof, and the driving piece runs through the mounting panel, is connected with the link on the driving piece, and the position that the mounting panel bottom is close to the backing plate articulates and is connected with the extrusion stem that is used for extrudeing the backing plate wobbling, and the extrusion stem contacts bottom the backing plate, and it is connected with the connecting rod to articulate between extrusion stem and the link.

Optionally, the steel beam stamping device further comprises a clamping assembly, and the top plate is provided with the clamping assembly used for clamping the steel beam to prevent the steel beam from displacing in the process of stamping the steel beam.

The beneficial effects of the invention are: 1. after the punching is finished, the contact between the grinding disc and the bottom protruding burrs at the steel beam punching position can be controlled, and the driving motor is started to drive the grinding disc to rotate so as to grind the protruding burrs at the steel beam punching position, so that the technical effect of grinding the protruding burrs at the steel beam punching position is achieved, the operation is simpler, the grinding is not required to be carried out by using other grinding equipment, the condition of grinding missing can be avoided, and the consistency of products is ensured.

2. When the steel beam is punched, the hollow position in the steel beam can be filled through the rubber filling block, so that the phenomenon that the steel beam is deformed by punching due to uneven stress caused by the hollow inside the steel beam in the punching process is avoided.

3. When the steel beam pressing device is operated, the driving piece can drive the pressing rod to press the rubber filling blocks, and the rubber filling blocks are plugged into the hollow positions of the steel beams, so that the effect of filling the hollow positions of the steel beams is achieved, meanwhile, the driving piece can drive the pressing disc to press the steel beams, and the steel beams are prevented from being displaced and affecting the pressing.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

FIG. 2 is a schematic view of a first partial body structure according to the present invention.

FIG. 3 is a schematic view of a second partial body structure according to the present invention.

Fig. 4 is a schematic perspective view of the deburring mechanism of the present invention.

Fig. 5 is a schematic view of a first partial body structure of the deburring mechanism of the present invention.

Fig. 6 is a schematic view of a second partial body structure of the deburring mechanism of the present invention.

Fig. 7 is a perspective view of a third portion of the deburring mechanism of this invention.

Figure 8 is a schematic perspective view of a sanding assembly according to the present invention.

Fig. 9 is a schematic perspective view of the filling mechanism of the present invention.

Fig. 10 is a schematic perspective view of a first driving mechanism of the present invention.

Fig. 11 is a schematic perspective view of a second driving mechanism according to the present invention.

Fig. 12 is a schematic perspective view of a third embodiment of the driving mechanism of the present invention.

Description of reference numerals: 1: supporting seat, 2: mounting plate, 3: hydraulic press, 4: top plate, 41: a positioning block, 5: screw, 7: clamping assembly, 8: burr removal mechanism, 81: switch, 82: sliding disk, 83: extrusion block, 84: stamping die, 85: grinding component, 851: drive motor, 852: inner diamond sleeve, 853: polishing disc, 854: diamond rod, 86: elastic member, 87: electromagnet, 88: iron block, 9: filling mechanism, 91: backing plate, 92: rubber filling block, 10: drive mechanism, 101: a driver, 102: connecting frame, 103: a connecting rod, 104: the rod is squeezed.

Detailed Description

Embodiments of the present invention will be described below with reference to the drawings.

Example 1

The utility model provides a rear bumper girder steel punching device, as shown in fig. 1-8, including supporting seat 1, mounting panel 2, hydraulic punching machine 3, roof 4, locating piece 41, screw rod 5, sweeps collecting box 6, clamping component 7, burr removal mechanism 8 and filling mechanism 9, supporting seat 1 top is connected with

mounting panel

2, 2 top left sides of mounting panel are connected with the mounting bracket, install hydraulic punching machine 3 on the mounting bracket, 2 top slidingtype connections of mounting panel have roof 4, roof 4 is located hydraulic punching machine 3 below, 2 top front sides of mounting panel are rotated and are connected with screw rod 5, screw rod 5 and 4 threaded connection of roof, 4 tops of roof are connected with locating piece 41, locating piece 41 is located hydraulic punching machine 3 under, be provided with between locating piece 41 and the hydraulic punching machine 3 and get rid of mechanism 8, be equipped with filling mechanism 9 on the roof 4, it has the logical groove of mutual correspondence to open on locating piece 41 and the roof 4, it supplies burr removal mechanism 8's removal to lead to the burr to lead to the logical groove.

As shown in fig. 4-8, the burr removing mechanism 8 includes a switch 81, a sliding plate 82, an extruding block 83, a stamping die 84, a polishing assembly 85, an elastic member 86, an electromagnet 87, and an iron block 88, the switch 81 is installed on a piston stamping rod of the hydraulic stamping machine 3, the sliding plate 82 is slidably connected in the through groove, the stamping die 84 is connected to the front side of the sliding plate 82, the polishing assembly 85 is disposed between the rear side of the sliding plate 82 and the stamping die 84, the extruding blocks 83 are connected to both the left and right sides of the top of the positioning block 41, the elastic member 86 (in this embodiment, the elastic member 86 is a tension spring) is connected between the polishing assembly 85 and the top plate 4, the electromagnet 87 is connected to the front side wall of the top plate 4 where the through groove is opened, the electromagnet 87 is electrically connected to the switch 81, the iron block 88 is connected to the lower portion of the front side of the stamping die 84, and the iron block 88 is magnetically engaged with the electromagnet 87.

As shown in fig. 8, the polishing assembly 85 includes a driving motor 851, an inner diamond sleeve 852, a polishing disc 853 and a diamond rod 854, the driving motor 851 is installed at the lower part of the rear side of the stamping die 84, the elastic member 86 is connected between the driving motor 851 and the bottom of the top plate 4, the driving motor 851 is electrically connected with the switch 81, the inner diamond sleeve 852 is connected to the output shaft of the driving motor 851, the inner diamond sleeve 852 is rotatably connected to the rear side of the sliding disc 82, the diamond rod 854 is slidably connected to the inner diamond sleeve 852, the polishing disc 853 is connected to the top of the diamond rod 854, the tops of the two extrusion blocks 83 are both inclined in the front-high and back-low directions, the polishing disc 853 contacts with the tops of the extrusion blocks 83, and the polishing disc 853 moves upwards along the inclined plane at the tops of the extrusion blocks 83 to contact with the steel beam punching holes during the movement.

When the steel beam needs to be punched, the device can be used for punching, initially, the piston punching rod of the hydraulic punching machine 3 is in an extending state, the switch 81 is not in contact with the mounting frame, during punching, the steel beam is firstly placed on the positioning block 41, the part to be punched of the steel beam is positioned between the part under the hydraulic punching machine 3 and the punching die 84, the punching die 84 can support the steel beam, after the placement is completed, the punching die 84 and the positioning block 41 abut against the part to be punched of the steel beam, then the hydraulic punching machine 3 can be started for punching, during punching, the punching die 84 and the positioning block 41 block the part to be punched of the steel beam, after the punching of the hydraulic punching machine 3 is completed, the bottom of the part to be punched of the steel beam can be protruded and provided with burrs, at this time, the hydraulic punching machine 3 is started to reset, after the piston punching rod of the hydraulic punching machine 3 is completely retracted, the switch 81 is in contact with the mounting frame, the electromagnet 87 and the driving motor 851 are electrified, the electromagnet 87 attracts the iron block 88 to move forwards after being electrified, the iron block 88 drives the sliding disc 82 to move forwards through the stamping die 84 when moving forwards, the sliding disc 82 drives the polishing disc 853, the diamond rod 854, the driving motor 851 and the inner diamond sleeve 852 to move forwards when moving forwards, the elastic piece 86 is stretched, the polishing disc 853 moves upwards to be contacted with burrs of the steel beam under the extrusion of the inclined surface of the extrusion block 83 in the process of moving forwards, the driving motor 851 drives the polishing disc 853 to rotate through the inner diamond sleeve 852 and the diamond rod 854 when being started, the protruding burrs of the steel beam are polished, the burrs are removed, after polishing is finished, the piston stamping rod of the hydraulic stamping machine 3 is started again to extend, the switch 81 is not contacted with the mounting frame, the electromagnet 87 and the driving motor 851 are powered off, and the driving motor 851 is driven under the action of the elastic piece 86, the inner diamond-shaped sleeve 852, the grinding disc 853, the diamond rod 854, the sliding disc 82 and the stamping die 84 are all reset, then the position of the steel beam can be adjusted to be stamped again, the stamping operation on the steel beam can be realized by repeating the steps, and after the steel beam is stamped, the stamped part of the steel beam can be automatically ground from burrs; at the actual in-process that carries out the punching press to the girder steel, can be according to the girder steel difference of height, wrench movement screw 5 drives roof 4 and reciprocates and adjust.

Example 2

On the basis of embodiment 1, as shown in fig. 1, 2 and 9, the present invention further includes a filling mechanism 9, the filling mechanism 9 includes a backing plate 91 and a rubber filling block 92, the backing plate 91 is rotatably connected to both the front and rear sides of the top plate 4, and the rubber filling block 92 is connected to the backing plate 91.

When placing the girder steel, can overlap the girder steel on rubber filling block 92, pull rubber filling block 92 and backing plate 91 swing again, fill in the inside cavity position of girder steel with rubber filling block 92, make when carrying out the punching press operation to the girder steel, there is rubber filling block 92 to support the inside cavity position of girder steel, make the girder steel atress more even, avoid the girder steel uneven deformation of atress in punching press process, so, just can be in punching press in-process, fill the inside cavity position of girder steel, make girder steel more even when the atress, avoid the girder steel to take place to warp.

As shown in fig. 1, 10, 11 and 12, the present invention further includes a driving mechanism 10, the driving mechanism 10 includes a driving member 101, a connecting frame 102, a connecting rod 103 and an extrusion rod 104, the driving member 101 is installed on the left side of the top plate 4 (the driving member 101 is an air cylinder in this embodiment), the driving member 101 penetrates through the mounting plate 2, the connecting frame 102 is connected to an expansion link of the driving member 101, the extrusion rods 104 are hinged to the front and rear sides of the bottom of the mounting plate 2, the outer side of the extrusion rod 104 contacts with the bottom of the rubber filling block 92, two connecting rods 103 are hinged between the left and right sides of the front side of the rear side extrusion rod 104 and the upper portion of the left side of the connecting frame 102, and two connecting rods 103 are hinged between the left and right sides of the rear side of the front side extrusion rod 104 and the upper portion of the left side of the connecting frame 102.

When needs application rubber filling block 92 fills the girder steel, can start driving piece 101 drive link 102 and move down, link 102 passes through connecting rod 103 pulling extrusion stem 104 swing when the downstream, and extrusion stem 104 drives the swing of rubber filling block 92 when the swing, fills in the girder steel with rubber filling block 92 in, fills the girder steel, so, just can be more convenient fill inside the girder steel.

Example 3

On the basis of embodiment 2, as shown in fig. 1 and 3, the clamping device 7 is further included, and the clamping device 7 is arranged on the top plate 4 (in this embodiment, the clamping device 7 is composed of two extrusion plates and two extension springs, the front side and the rear side of one side surface of the two extrusion plates, which are close to each other, are both bent and arranged and are suitable for being extruded by the steel beam to move outwards, the two extrusion plates are respectively connected to the left side and the right side of the top plate 4 in a sliding manner, and the two extension springs are respectively connected between the two extrusion plates and the top plate 4).

When placing the girder steel, clamping unit 7 can press from both sides the girder steel tight, avoids the girder steel displacement, because clamping unit 7 has stripper plate and extension spring to cushion, can be applicable to the girder steel of variation in size and press from both sides tightly fixedly.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.

Claims

1. The utility model provides a rear bumper girder steel punching device, including supporting seat (1), mounting panel (2) and hydraulic punching machine (3), supporting seat (1) top is connected with mounting panel (2), mounting panel (2) top is installed and is used for the girder steel to carry out hydraulic punching machine (3) of punching press, a serial communication port, still including adjustable support frame and burr removal mechanism (8), be equipped with the adjustable support frame that is used for supporting the girder steel on mounting panel (2), be provided with between adjustable support frame and hydraulic punching machine (3) and be used for going on the burr removal mechanism (8) of getting rid of the bellied burr of girder steel behind the punching press.

2. The automobile rear bumper steel beam punching device according to claim 1, characterized in that the adjustable supporting frame comprises a top plate (4), a positioning block (41) and a screw (5), the top of the mounting plate (2) is slidably connected with the top plate (4), the top plate (4) is located below the hydraulic punching machine (3), the screw (5) is rotatably connected to a position, close to the top plate (4), of the top of the mounting plate (2), the screw (5) is in threaded connection with the top plate (4), the screw (5) is used for adjusting the lifting of the top plate (4), the positioning block (41) used for supporting and positioning the steel beam is connected to the top of the top plate (4), and the positioning block (41) is located right below the hydraulic punching machine (3).

3. The punching device for the steel beam of the rear bumper of the automobile as claimed in claim 2, wherein the positioning block (41) and the top plate (4) are provided with through grooves corresponding to each other for moving the burr removing mechanism (8).

4. The punching device for the steel beam of the rear bumper of the automobile according to claim 3, characterized in that the burr removing mechanism (8) comprises a switch (81), a sliding disc (82), an extrusion block (83), a stamping die (84), a grinding assembly (85), an elastic member (86), an electromagnet (87) and an iron block (88), the switch (81) is installed on a piston stamping rod of the hydraulic stamping machine (3), the piston stamping rod of the hydraulic stamping machine (3) can trigger the switch (81) to be opened after being completely retracted, the sliding disc (82) is connected in a sliding manner in the through groove, one side of the sliding disc (82) is connected with the stamping die (84), the grinding assembly (85) for grinding the protruded burrs generated after the steel beam is stamped is arranged between the other side of the sliding disc (82) and the stamping die (84), the extrusion block (83) is connected to at least one side of the top of the positioning block (41), the elastic member (86) is connected between the grinding assembly (85) and the top plate (4), the side wall far away from the grinding assembly (85) in the through groove is connected with the electromagnet (87), the electromagnet (87) is electrically connected with the switch (81), the magnetic attraction block (88), and the electromagnet (88) is connected with the electromagnet (87).

5. The automobile rear bumper steel beam punching device according to claim 4, characterized in that the grinding assembly (85) comprises a driving motor (851), an inner diamond sleeve (852), a grinding disc (853) and a diamond rod (854), the driving motor (851) is installed on one side, away from the electromagnet (87), of the stamping die (84), the elastic piece (86) is connected between the driving motor (851) and the bottom of the top plate (4), the driving motor (851) is electrically connected with the switch (81), the inner diamond sleeve (852) is connected onto an output shaft of the driving motor (851), the inner diamond sleeve (852) is rotatably connected with the sliding disc (82), the diamond rod (854) is connected into the inner diamond sleeve (852), and the top of the diamond rod (854) is connected with the grinding disc (853) used for grinding the convex burrs of the steel beam after stamping.

6. The punching device for the steel beam of the automobile rear bumper as recited in claim 5, characterized in that the tops of the extrusion blocks (83) are all arranged obliquely, the grinding disc (853) is contacted with the tops of the extrusion blocks (83), and the grinding disc (853) moves upwards along the inclined plane of the tops of the extrusion blocks (83) to be contacted with the punching position of the steel beam in the moving process.

7. The punching device for the steel beam of the automobile rear bumper as claimed in claim 6, characterized by further comprising a filling mechanism (9) for filling hollow positions inside the steel beam to prevent deformation caused by uneven stress when the steel beam is punched, wherein the filling mechanism (9) comprises a base plate (91) and a rubber filling block (92), the base plate (91) is rotatably connected to at least one side of the top plate (4), the rubber filling block (92) is connected to the base plate (91), and the rubber filling block (92) is used for filling hollow positions inside the steel beam to enable the stress of the steel beam to be more uniform when the steel beam is punched so as to prevent the steel beam from deforming when the steel beam is punched.

8. The punching device for the steel beam of the rear bumper of the automobile according to claim 7, characterized by further comprising a driving mechanism (10) for driving the rubber filling block (92) to move to the hollow position in the steel beam, wherein the driving mechanism (10) comprises a driving piece (101), a connecting frame (102), a connecting rod (103) and an extrusion rod (104), the driving piece (101) is installed on the top plate (4), the driving piece (101) penetrates through the mounting plate (2), the connecting frame (102) is connected to the driving piece (101), the extrusion rod (104) for swinging the extrusion base plate (91) is hinged to a position, close to the base plate (91), of the bottom of the mounting plate (2), the extrusion rod (104) is in contact with the base plate (91), and the connecting rod (103) is hinged to the connecting frame (102).

9. The punching device for the steel beam of the automobile rear bumper as claimed in claim 8, further comprising a clamping assembly (7), wherein the clamping assembly (7) for clamping the steel beam to prevent the steel beam from displacing during the process of punching the steel beam is arranged on the top plate (4).