CN213380238U - Counter bore integrated structure punches a hole - Google Patents

Abstract

The utility model discloses a punching counter bore integrated structure, which comprises a big slide block; the punching assembly comprises a punching punch for punching a product and a first driving source for driving the punching punch to move; the counter bore machining assembly is mounted on the large sliding block and driven to move by the first driving source, the drill bit and the punching punch are arranged up and down, and the drill bit and the punching punch have a clearance distance after being projected on the same horizontal plane; the large sliding block is arranged on the floating block, the floating block is connected with a lifting assembly, the lifting assembly drives the floating block to lift so as to move the machining positions of the drill bit and the punching punch on the product, and the floating block is provided with a transverse moving assembly which drives the large sliding block to move horizontally so as to enable the large sliding block to compensate the avoidance distance in a translation mode. The utility model discloses can punch a hole and counter bore chamfer processing on the station, provide production efficiency.

Description

Counter bore integrated structure punches a hole

Technical Field

The utility model relates to a processing equipment technical field, in particular to counter bore integral structure punches a hole.

Background

The front door sash of a car generally comprises four parts: a post subassembly, B post subassembly, qianmen reinforcing plate and qianmen winding, the production technology of qianmen winding: rolling → bending → punching → sawing → welding, namely, after obtaining a semi-finished product by rolling and bending, punching out a gap of the semi-finished product by bending a radian of a bending die, then sawing to cut off a position reserved for clamping a chuck to obtain a front upper strip finished product, and finally welding and assembling. The rolling is to form a straight strip with a required section by rollers, and the length of the straight strip is the length of a left piece and a right piece and the length of a process supplement part (a clamping position of two end chucks and a middle butt joint position). The bending is to obtain the required radian of the semi-finished product of the straight strip and the upper strip through a bending die and punch out the positioning reference hole at the same time. The punching is to punch the notch and the hole site of the upper strip for installation and avoiding through a punching special machine, and the punching process takes the reference hole as positioning and is respectively powered by a plurality of groups of oil cylinders for punching. The sawing is to cut off the clamping end of the chuck and ensure that a certain angle is formed for splicing welding, and the sawing process takes the reference hole as a positioning reference.

In the process of realizing the utility model, the utility model people find that at least the following problems exist in the prior art, at present, most of the upper strips are provided with a flat head hole for installing a flat head screw lock guide rail, and the adopted flat head is just used for avoiding the position of a flat head bolt head for installation; the flat head hole consists of two parts, namely a bottom hole and a chamfer; the location where the flat-headed hole is present is generally next to the adhesive tape mounting hole. Therefore, the production process of the winding plain-end hole comprises the following steps: firstly, punching bottom holes of a flat head hole in a bending die of a bending station, and punching a reference hole and a process hole on the general bending die; in the second step, the stamping station has more characteristics of upper holes and gaps of the upper strips, and the best mode is to open a special punching machine die, so that the punching of the characteristics of the upper holes, the gaps and the like of the upper strips can be completed at one time; due to the existence of the flat-head hole, a special punching die generally needs to develop two stations, otherwise, the interference of a punching mechanism and a hole sinking mechanism exists, the process content cannot be completed, and the first station is used for punching the characteristics of holes, gaps and the like; and the second station is a motor counter bore chamfer. However, the punching and the chamfering of the counter bore are carried out separately in two stations, and the production efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least. Therefore, the embodiment of the utility model provides a counter bore integrated configuration punches a hole can punch a hole and counter bore chamfer processing on a station, provides production efficiency.

According to the embodiment of the utility model, the punching and counter bore integrated structure comprises a big slide block; the punching assembly is mounted on the large sliding block and comprises a punching punch for punching a product and a first driving source for driving the punching punch to move; the counter bore machining assembly is mounted on the large sliding block and driven to move by the first driving source, the counter bore machining assembly comprises a drill bit for drilling a product and a second driving source for driving the drill bit to rotate, the drill bit and the punching punch are arranged up and down, and the drill bit and the punching punch have a clearance distance after being projected on the same horizontal plane; the large sliding block is arranged on the floating block, the floating block is connected with a lifting assembly, the lifting assembly drives the floating block to lift so as to move the machining positions of the drill bit and the punching punch on the product, and the floating block is provided with a transverse moving assembly which drives the large sliding block to move horizontally so as to enable the large sliding block to compensate the avoidance distance in a translation mode.

In an alternative or preferred embodiment, the punching assembly includes a pressing unit mounted on the large slide block, the pressing unit includes a lower die block and a pressing plate for clamping a product, the first driving source is mounted on the large slide block, and the driving end of the first driving source is connected with the pressing plate and the punching punch and drives the pressing plate and the punching punch to move towards the lower die block.

In an alternative or preferred embodiment, a small slide block is connected to the driving end of the first driving source, the pressure plate is mounted on the small slide block through a plurality of elastic pieces, and the punching punch is mounted on the small slide block and penetrates through the pressure plate.

In an alternative or preferred embodiment, the counterbore machining assembly comprises a mounting block connected to the small slide block, and the second drive source is mounted on the mounting block.

In an alternative or preferred embodiment, the first driving source is a cylinder, the second driving source includes a motor and a reducer connected to the motor, and the reducer driving shaft drives the drill to rotate.

In an alternative or preferred embodiment, the lifting assembly includes a base and a third driving source mounted on the base, the third driving source is an air cylinder, and a piston rod of the third driving source is connected with the floating block and drives the floating block to move up and down.

In an alternative or preferred embodiment, a plurality of guide bushing assemblies are arranged between the floating block and the base, the guide bushing assemblies including bushings mounted on the base and guide shafts fitted with the bushings, the guide shafts being mounted on the floating block.

In an optional or preferred embodiment, a guide rail slider assembly is disposed between the large slider and the floating block, the traverse assembly includes a left pushing member and a right pushing member distributed on the left and right sides of the floating block, the left pushing member includes a connecting plate fixedly connected to the floating block and a fourth driving source for pushing the large slider to move rightward, the fourth driving source is mounted on the connecting plate, the right pushing member includes a limiting plate fixedly connected to the floating block and a fifth driving source for pushing the large slider to move leftward, and the fifth driving source is mounted on the limiting plate.

In an alternative or preferred embodiment, the connection plate is provided with a limit bolt.

Based on the technical scheme, the embodiment of the utility model provides a following beneficial effect has at least: above-mentioned technical scheme, the subassembly that punches a hole on the big slider of installation can punch a hole to the product, and after punching a hole, through the lift assembly decline kicking block, and then drive big slider and descend, for avoiding the drill bit in the counter bore processing subassembly to move down the in-process interference product, consequently be equipped with and keep away the position distance, after the kicking block descends, the big slider of sideslip subassembly translation supplyes and keeps away the position distance, thereby the first driving source removes counter bore processing subassembly and carries out counter bore processing to the product. The utility model discloses can punch a hole and counter bore chamfer processing on the station, provide production efficiency.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

FIG. 1 is a schematic structural diagram of a die of a special punching machine applied to the embodiment of the present invention;

fig. 2 is a schematic structural diagram of an embodiment of the present invention;

FIG. 3 is a schematic structural view of the assembly of the counter bore processing assembly and the small slide block in the embodiment of the present invention;

fig. 4 is a schematic structural view of the assembly of the counter bore processing assembly and the small slide block in the embodiment of the present invention, wherein the material pressing plate is not shown;

FIG. 5 is a front view of the assembly of the counterbore processing assembly and the small slide block in the embodiment of the present invention;

FIG. 6 is a schematic structural view of the assembly of the large slide block and the traverse assembly in the embodiment of the present invention;

fig. 7 is a schematic structural diagram of an initial state of the embodiment of the present invention;

fig. 8 is a schematic structural view of a state of completion of punching in the embodiment of the present invention;

fig. 9 is a schematic structural view of the lifting assembly of the embodiment of the present invention lowered to the lowest position;

fig. 10 is a schematic structural view illustrating a state where the large slider moves to the highest point according to the embodiment of the present invention;

fig. 11 is a schematic structural view of a state of completion of chamfering a counterbore according to an embodiment of the present invention.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 6, a punching and counter bore integrated structure 300 according to an embodiment of the present invention is described, and the punching and counter bore integrated structure 300 may be used in a die of a special punching machine.

Referring to fig. 1, the special punching machine die according to the embodiment of the present invention includes a base 101, a positioning and clamping assembly 200, and a counter bore integrated structure 300. Wherein, install a plurality of location clamping component 200 on the base 101 for press from both sides tight to product 110, specifically speaking, location clamping component 200 includes the bracket, installs the locating pin on the bracket and presss from both sides tight piece to the product is pressed from both sides tight, and this is prior art, and no longer repeated.

Referring to fig. 2 to 6, a punching and counter-boring integrated structure includes a large slide block 331, a punching assembly 340, a counter-boring processing assembly 350, and a floating block 321. Wherein the punching assembly 340 includes a punching punch 345 for punching the product 110 and a first driving source 341 for driving the punching punch 345 to move, and the counter bore machining assembly 350 includes a drill 353 for drilling the product 110 and a second driving source 351 for driving the drill 353 to rotate. The punching assembly 340 is installed on the large sliding block 331, the counter bore machining assembly 350 is installed on the large sliding block 331 and driven to move by the first driving source 341, the drill bit 353 and the punching punch 345 are arranged up and down, and the drill bit 353 and the punching punch 345 project on the same horizontal plane and have a clearance.

The large sliding block 331 is installed on the floating block 321, the floating block 321 is connected with the lifting assembly 310, the lifting assembly 310 drives the floating block 321 to lift so as to move the processing position of the drill 353 and the punching punch 345 on the product 110, and the floating block 321 is installed with the transverse moving assembly which drives the large sliding block 331 to horizontally move so as to enable the large sliding block 331 to horizontally move to compensate the clearance distance.

It can be understood that, the subassembly that punches a hole on the big slider 331 of installation, can punch a hole to product 110, after punching a hole, through lifting unit 310 decline floating block 321, and then drive big slider 331 and descend, for avoiding the drill bit 353 in counter bore processing subassembly 350 to interfere with product 110 at the in-process that moves down, consequently be equipped with and keep away the position distance, keep away the position distance in this embodiment and be 13mm, after descending floating block 321, the supplementary position distance of keeping away of the big slider 331 of sideslip subassembly sideslip, first driving source 351 promotes counter bore processing subassembly 350 and carries out counter bore processing to product 110.

As shown in fig. 2 to 5, the punching assembly 340 includes a pressing unit mounted on the large slider 331, the pressing unit includes a lower module 344 and a pressing plate 343 for clamping the product 110, the first driving source 341 is mounted on the large slider 331, and the first driving source 341 drives the driving end to connect and move the pressing plate 343 and the punching punch 345 toward the lower module 344.

The first driving source 341 is an oil cylinder, the driving end of the first driving source 341 is connected with a small slider 342, a pressure plate 343 is mounted on the small slider 342 through a plurality of elastic pieces 346, the elastic pieces 346 are springs, and a punching punch 345 is mounted on the small slider 342 and penetrates through the pressure plate 343. It can be understood that, after the first driving source 341 drives the small slider 342 to drive the material pressing plate 343 to clamp the product 110, the piston rod of the first driving source 341 continues to extend, and the punching punch 345 on the small slider 342 punches the product 110 after penetrating through the material pressing plate 343, so that the elastic member 346 is compressed.

Preferably, the counterbore machining assembly 350 includes a mount 352 attached to the small slide 342, and a second drive source 351 is mounted on the mount 352. Further, the second driving source 351 includes a motor and a speed reducer connected to the motor, and the speed reducer driving shaft drives the drill 353 to rotate. It can be understood that the first driving source 341 drives the small sliding block 342 to move the mounting seat 352, and the second driving source 351 drives the drill 353 to drill the product 110.

As shown in fig. 1, the lifting assembly 310 includes a base 311 and a third driving source 312 mounted on the base 311, the third driving source 312 is an air cylinder, and a piston rod of the third driving source 312 is connected to the floating block 321 and drives the floating block 321 to move up and down. Further, a plurality of guide bushing kits 313 are disposed between the floating block 321 and the base 311, the guide bushing kits 313 include a bushing and a guide shaft engaged with the bushing, the bushing is mounted on the base 311, and the guide shaft is mounted on the floating block 321.

As shown in fig. 6, a guide rail slider assembly is arranged between the large slider 331 and the floating block 321, the traversing assembly includes a left pusher 360 and a right pusher 370 distributed on the left and right sides of the floating block 321, the left pusher 360 includes a connecting plate 362 fixedly connected to the floating block 321 and a fourth driving source 361 for pushing the large slider 331 to move rightward, the fourth driving source 361 is installed on the connecting plate 362, the right pusher 370 includes a limiting plate 372 fixedly connected to the floating block 321 and a fifth driving source 371 for pushing the large slider 331 to move leftward, and the fifth driving source 371 is installed on the limiting plate 372. In addition, the connection plate 362 is provided with a limit bolt 363.

In this embodiment, the third driving source 312 is a cylinder, and the design stroke is 100 mm; the first driving source 341 is an oil cylinder, and the design stroke is 30 mm; the fourth drive source 361 and the fifth drive source 371 each employ an air cylinder.

The product 110 is mounted on the positioning and clamping assembly 200 in advance, and at this time, the punching and counter-boring integrated structure is in an initial state, as shown in fig. 7, and the specific processing steps are as follows:

s1, the piston rod of the first driving source 341 extends out to drive the small slide block 342 to move, when the piston rod extends out by 23mm, the pressing plate 343 contacts with the product to start pressing, and when the piston rod extends out by 30mm, punching is completed, as shown in the state of FIG. 8.

S2, after the punching process is completed, the piston rod of the first driving source 341 is retracted by 30mm, and the punching assembly 340 is returned to the initial position, as shown in fig. 7.

S3, the piston rod of the third driving source 312 is initially in an extended state as shown in fig. 7, and at this time, the piston rod of the third driving source 312 is retracted by 100mm and the large slider 331 is moved to the lowest position as shown in fig. 9.

It should be noted that, when the counter bore processing assembly 350 performs counter bore processing on a product, a collection box is used to collect waste materials, and if the counter bore processing assembly 350 is not avoided during the descending process, both the collection box and the drill bit interfere with the product, therefore, in this embodiment, with reference to the initial state shown in fig. 7, the distance between the drill bit 353 and the counter bore position is 17mm, and the stroke of the first driving source 341 is 30mm, if the first driving source 341 and the second driving source 351 are started, the counter bore processing assembly 350 and the product 110 will interfere by 13 mm.

S4, as will be understood in conjunction with FIG. 6, the piston rod of the fourth driving source 361 of the left pushing member 360 extends out to push the large sliding block 331 to move rightward by 13mm, overcoming the clearance distance, and contacting the limiting block 372, as shown in FIG. 10.

S5, the second driving source 351 is started, the drill bit 353 rotates at a proper rotating speed, the piston rod of the first driving source 341 extends, the drill bit 353 moves towards the product 110, when the drill bit 353 is in contact with the product 110, chamfering is started, and after the 30mm stroke of the oil cylinder is finished, the counter bore and the chamfering are finished, as shown in FIG. 11.

S6, the piston rod of the first driving source 341 is retracted by 30mm, the second driving source 351 stops moving, and the bit stops rotating.

S7, the right pushing piece 370 pushes the big sliding block 331 to move 13mm to the left, and the big sliding block contacts with the limiting bolt 363 to return to the state shown in FIG. 9;

s8, the piston rod of the third driving source 312 extends out, the stroke is 100mm, the large slide block 331 moves to the initial position, and as shown in FIG. 8, a group of punching and counter bore machining is completed.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (9)

1. The utility model provides a counter bore integral structure punches a hole which characterized in that: comprises that

A large slider (331);

a punching assembly (340), wherein the punching assembly (340) is mounted on the large slide block (331), the punching assembly (340) comprises a punching punch (345) for punching a product (110) and a first driving source (341) for driving the punching punch (345) to move;

the counter bore machining assembly (350) is mounted on the large sliding block (331) and driven to move by the first driving source (341), the counter bore machining assembly (350) comprises a drill bit (353) for drilling a product (110) and a second driving source (351) for driving the drill bit (353) to rotate, the drill bit (353) and the punching punch (345) are arranged up and down, and the drill bit (353) and the punching punch (345) have a spacing distance after being projected on the same horizontal plane; and

the large sliding block (331) is installed on the floating block (321), the floating block (321) is connected with a lifting assembly (310), the lifting assembly (310) drives the floating block (321) to lift so as to move the machining positions of the drill bit (353) and the punching punch (345) on the product (110), and the floating block (321) is installed with a transverse moving assembly which drives the large sliding block (331) to horizontally move so that the large sliding block (331) horizontally moves to compensate the avoiding distance.

2. The punch-and-counterbore integrated structure as set forth in claim 1, wherein: the punching assembly (340) comprises a pressing unit arranged on the large sliding block (331), the pressing unit comprises a lower die block (344) and a pressing plate (343) used for clamping a product (110), the first driving source (341) is arranged on the large sliding block (331), and the first driving source (341) is connected with the pressing plate (343) and the punching punch (345) in a driving mode and drives the pressing plate (343) and the punching punch (345) to move towards the direction of the lower die block (344).

3. A punch and counterbore integrated structure as set forth in claim 2, wherein: the driving end of the first driving source (341) is connected with a small sliding block (342), the pressure plate (343) is installed on the small sliding block (342) through a plurality of elastic pieces (346), and the punching punch (345) is installed on the small sliding block (342) and penetrates through the pressure plate (343).

4. A punch and counterbore integrated structure as set forth in claim 3, wherein: the counter bore machining assembly (350) comprises a mounting seat (352) connected to the small sliding block (342), and the second driving source (351) is mounted on the mounting seat (352).

5. The punch and counterbore integrated structure of claim 4, wherein: the first driving source (341) is an oil cylinder, the second driving source (351) comprises a motor and a speed reducer connected with the motor, and the speed reducer driving shaft drives the drill bit (353) to rotate.

6. A punch and counterbore integrated structure as set forth in any one of claims 1 to 5, characterized in that: the lifting assembly (310) comprises a base (311) and a third driving source (312) installed on the base (311), the third driving source (312) is an air cylinder, and a piston rod of the third driving source (312) is connected with the floating block (321) and drives the floating block (321) to move up and down.

7. The punch and counterbore integrated structure of claim 6, wherein: the guide shaft bushing assembly comprises a bushing and a guide shaft matched with the bushing, the bushing is installed on the base (311), and the guide shaft is installed on the floating block (321).

8. A punch and counterbore integrated structure as set forth in any one of claims 1 to 5, characterized in that: the guide rail sliding block assembly is arranged between the large sliding block (331) and the floating block (321), the transverse moving assembly comprises a left pushing piece (360) and a right pushing piece (370) which are distributed on the left side and the right side of the floating block (321), the left pushing piece (360) comprises a connecting plate (362) fixedly connected to the floating block (321) and a fourth driving source (361) for pushing the large sliding block (331) to move rightwards, the fourth driving source (361) is installed on the connecting plate (362), the right pushing piece (370) comprises a limiting plate (372) fixedly connected to the floating block (321) and a fifth driving source (371) for pushing the large sliding block (331) to move leftwards, and the fifth driving source (371) is installed on the limiting plate (372).

9. A punch and counterbore integrated structure as set forth in claim 8, wherein: the connecting plate (362) is provided with a limiting bolt (363).

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