阅读说明：本技术 一种用于加工中心轴承座钻深孔的装置 (Device for drilling deep hole on bearing pedestal of machining center ) 是由 王佳伟 于志国 胡晓桦 于 2019-10-28 设计创作，主要内容包括：本发明涉及一种用于加工中心轴承座钻深孔的装置,包括底板及安装在底板上的定位机构及与定位机构配合使用的限位机构,所述定位机构包括定位圆柱、两组侧方定位块及设置两组侧方定位块之间的滑动定位块,所述两组侧方定位块堆成设置在底板上表面的两侧,各组侧方定位块由上侧方定位块及下侧方定位块组成,所述限位机构为弹簧,该弹簧抵接在所述滑动定位块的一侧,滑动定位块的另一侧抵接被加工中心轴承座。与现有技术相比,本发明具有效率高、成本降低、稳定性好、加工精度高等优点。(The invention relates to a device for machining a deep hole of a center bearing seat, which comprises a bottom plate, a positioning mechanism arranged on the bottom plate and a limiting mechanism matched with the positioning mechanism, wherein the positioning mechanism comprises a positioning cylinder, two groups of side positioning blocks and a sliding positioning block arranged between the two groups of side positioning blocks, the two groups of side positioning blocks are stacked and arranged on two sides of the upper surface of the bottom plate, each group of side positioning blocks consists of an upper side positioning block and a lower side positioning block, the limiting mechanism is a spring, the spring is abutted against one side of the sliding positioning block, and the other side of the sliding positioning block is abutted against the machined center bearing seat. Compared with the prior art, the invention has the advantages of high efficiency, low cost, good stability, high processing precision and the like.)

1. A device for drilling a deep hole on a processing center bearing seat is characterized by comprising a bottom plate, a positioning mechanism arranged on the bottom plate and a limiting mechanism matched with the positioning mechanism,

the positioning mechanism comprises a positioning cylinder, two groups of side positioning blocks and a sliding positioning block arranged between the two groups of side positioning blocks, the positioning cylinder is abutted against the sliding positioning block, the two groups of side positioning blocks are stacked and arranged at two sides of the upper surface of the bottom plate, each group of side positioning blocks consists of an upper side positioning block and a lower side positioning block,

the limiting mechanism is a spring, the spring is abutted against one side of the sliding positioning block, and the other side of the sliding positioning block is abutted against the machined central bearing seat.

2. The apparatus as claimed in claim 1, wherein the upper and lower positioning blocks are connected to the bottom plate by bolts, and both ends of the sliding positioning block extend into and slide along a space between the upper and lower positioning blocks.

3. The device for machining the deep hole of the center bearing block according to claim 1 or 2, wherein the upper side positioning block and the lower side positioning block are L-shaped structures.

4. The device for machining the deep hole of the central bearing seat according to claim 1 or 2, wherein the middle position of the sliding positioning block is hollowed.

5. The device for machining the deep hole of the center bearing seat according to claim 1 or 2, wherein one side, close to the center bearing seat to be machined, of the sliding positioning block is a blank surface.

6. The device for machining the deep hole of the center bearing seat according to claim 5, wherein the positioning seat is arranged on one side of the sliding positioning block close to the center bearing seat to be machined.

7. The device for machining the deep hole of the center bearing seat according to claim 1, wherein two ends of the bottom plate are connected with tool connecting plates, one end of the spring abuts against the tool connecting plate at one end, and the other end of the spring abuts against the sliding positioning block.

8. The device for machining the deep hole of the central bearing seat according to claim 1, wherein a pressing plate is arranged on the central bearing seat to be machined.

Technical Field

The invention relates to a machining device, in particular to a device for machining a deep hole drilled by a center bearing block.

Background

How to improve the utilization of the numerical control machine tool? Through technical analysis, the use of the clamp is of great concern. According to incomplete statistics, the unreasonable proportion of clamps selected by numerical control machines of domestic enterprises reaches more than 50%. By the end of 2014, the number of the Chinese numerical control machines is nearly one million, that is, more than 50 million numerical control machines have a 'nest work' phenomenon due to unreasonable selection or improper application of the clamp; from another perspective, there is a big paper on the selection and application of numerically controlled machine tool fixtures because of the considerable potential economic benefits involved.

The processing clamping mode that adopts before, though can also accomplish a series of finish machining's process, but the mode that adopts the internal stay from the top down extrudees the outer circular arc of work piece simultaneously, and the clamping dismantlement process is wasted time and energy. And drilling and tapping on the inclined plane are easy to cause the drill bit to crack.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a device for machining a deep hole of a center bearing block.

The purpose of the invention can be realized by the following technical scheme:

a device for drilling a deep hole on a processing center bearing seat comprises a bottom plate, a positioning mechanism arranged on the bottom plate and a limiting mechanism matched with the positioning mechanism,

the positioning mechanism comprises a positioning cylinder, two groups of side positioning blocks and a sliding positioning block arranged between the two groups of side positioning blocks, the positioning cylinder is abutted to the sliding positioning block, the two groups of side positioning blocks are stacked on two sides of the upper surface of the base plate, each group of side positioning blocks comprises an upper side positioning block and a lower side positioning block, and the positioning mechanism positions the bearing seat of the machined center in three directions of an X axis, a Y axis and a Z axis.

Stop gear is the spring, and this spring butt is in one side of slide locating piece, the opposite side butt of slide locating piece is by processing center bearing seat, can drive slide locating piece top tightly by processing center bearing seat when the bolt of locking upside orientation locating piece and downside orientation locating piece loosens like this, prevents that it from rotating on the horizontal direction of X axle, Y axle.

The upper side positioning block and the lower side positioning block are connected to the bottom plate through bolts, and two ends of the sliding positioning block extend into a space between the upper side positioning block and the lower side positioning block and slide along the space.

The upper side positioning block and the lower side positioning block are of L-shaped structures.

The sliding positioning block is used for station alignment of the machined center bearing seat, a blank surface on one side is used as a machining reference surface according to the requirements of a customer drawing, and the blank surface cannot be completely positioned in a surface contact mode, so that the middle of the positioning end of the sliding positioning block is hollowed, square positioning surfaces of 10X10 at two ends are only reserved to position the machined center bearing seat, and meanwhile, the product is limited in the X-axis direction and the Y-axis direction.

The accurate X axle of having fixed a position of location cylinder, the ascending processing horizontal position in Y axle two directions to withhold from one side through the sliding positioning piece, can not regard the cylinder as the center to take place rotatory skew by machining center bearing frame, the position of confirming punching can not take place the skew, ensures that the product can not take place to scrap.

The frock connection pad is connected at the both ends of bottom plate, the one end butt of spring is on the frock connection pad of one end, and the other end butt is on the locating piece that slides, and the frock connection pad can drive the device rotation 180, and drilling, hole milling, milling arc, drilling tapping process are accomplished to a clamping, reduce the accumulative total deviation of unnecessary for hole site and size are qualified and stable.

And a pressing plate is arranged on the machined central bearing seat to prevent the machined central bearing seat from falling off during rotation.

Compared with the prior art, the invention has the following advantages:

1. high efficiency, cost reduction do not need repeated clamping, thereby convenient efficiency, thereby only need the ninth fourth shaft of rotatory machining center can realize that the product can 360 rotations process the hole of various angular position, can once only accomplish drilling, the hole milling, the arc of milling, processes such as drilling tapping, utilize numerical control program location tool changing processing can.

2. The stability is good, the machining precision is high, prior art adopts the drilling machine to punch, it is poor directly to beat the deep hole roughness with the drill bit, because the blank does not have the preformed hole here, directly beat still can beat partially, consequently put the hole that the processing center beaten D16 earlier, reuse D25's drill bit reaming, divide two drill bit processing, also can't realize this effect on the ordinary drilling machine, need tear open the drill bit of trading, it is not advisable, got rid of after the improvement because of the drilling is too dark, the drill bit that the operator manual operation leads to bursts apart the problem, so drilling machining size stability is good, it is smooth and easy, the accumulative tapping deviation has been reduced.

Drawings

FIG. 1 is a schematic structural diagram of the present invention in an embodiment;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic cross-sectional view of the present invention in an embodiment;

FIG. 4 is a schematic structural diagram of the positioning column in the embodiment.

In the figure, 1-lower side orientation positioning block, 2-M16 positioning bolt, 3-tooling connecting disc, 4-sliding positioning block, 5-M16 x70 long bolt, 6-gland, 7-spring, 8-M10 locking bolt, 9-bottom plate, 10-processed center bearing seat, 11-M8 locking bolt, 12-upper side orientation positioning block and 13-positioning column.

Detailed Description

The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications can be made by persons skilled in the art without departing from the spirit of the invention. All falling within the scope of the present invention.

Examples

A device for drilling a deep hole on a machining center bearing block structurally comprises a bottom plate 9, a positioning mechanism arranged on the bottom plate 9 and a limiting mechanism matched with the positioning mechanism for use, wherein the structure of the device is shown in figures 1-3. And two ends of the bottom plate 9 are also connected with tooling connecting plates 3. The positioning mechanism used includes a positioning cylinder, two sets of side positioning blocks, and a slide positioning block 4 provided between the two sets of side positioning blocks, and the positioning cylinder 13 abuts against the slide positioning block 4, as shown in fig. 4. The X axle has been accurately fixed a position to location cylinder 13, the ascending processing horizontal position in Y axle two directions to withhold from one side through slide locating piece 4, the bearing frame of processing can not use location cylinder 13 to take place rotatory skew as the center, and the position of confirming punching can not take place the skew, ensures that the product can not take place to scrap. Two sets of side positioning blocks are stacked on both sides of the upper surface of the bottom plate 9, each set of side positioning blocks is composed of an upper side positioning block 12 and a lower side positioning block 1, and the upper side positioning block 12 and the lower side positioning block 1 are connected to the bottom plate 9 through bolts. The upper side positioning block 12 and the lower side positioning block 1 are L-shaped structures, and two ends of the sliding positioning block 4 extend into a space between the upper side positioning block 12 and the lower side positioning block 1 and slide along the space. The positioning mechanism positions the bearing holder 10 to be machined in three directions, i.e., the X-axis direction, the Y-axis direction, and the Z-axis direction. The gland 6 also presses the machined center bearing block 10 against the positioning cylinder 13 from directly above by means of M16x70 long bolts 5.

The limiting mechanism is a spring 7, the spring 7 is abutted against one side of the sliding positioning block 4, and the other side of the spring 7 is abutted against one of the tool connecting discs 3. One side butt spring 7 of slide locating piece 4, the other side butt is by processing center bearing seat 10, can drive slide locating piece top tightly by processing center bearing seat when the bolt of locking upside orientation locating piece 12 and downside orientation locating piece 1 loosens like this, prevents that it from rotating in the horizontal direction of X axle, Y axle.

Specifically, the lower positioning block 1 and the upper positioning block 12 are bolted to the bottom plate 9, so that the slide positioning block 4 can move back and forth between the two positioning blocks, then the spring 7 is placed in the left and right deep holes designed on the slide positioning block 4, and the M16 positioning bolt 2 is threaded through the slide positioning block 4 and screwed into the bottom plate 9. The lower side positioning block 1 and the upper side positioning block 12 are provided with grooves, the sliding positioning block 4 can slide back and forth in a free state, the holes of the sliding positioning block 4 for installing the locking bolts of M10 and M8 are waist holes, and the sliding distance of at least 10mm can be realized, because the butting position of the sliding positioning block 4 is the blank position of a processed product, the position is not machined, the edge cutting of each product is different, a back and forth sliding device is designed to adapt to different product blanks, the general deviation can not exceed 3mm, the sliding distance of the sliding positioning block 4 can completely meet different blank states, generally, blanks in the same forging batch can be directly locked without adjusting a second part after adjusting a first part, and the lower side positioning block 1 and the upper side positioning block 12 are connected to the bottom plate 9 by utilizing the M16 positioning bolt 2, and M10 locking bolts 8 are screwed into the left side and the right side of the workpiece, the spring 7 is in a tightened state, and the bolts can be loosened according to the state of the product blank to adjust in the Y-axis direction, so that the workpiece is limited to rotate in the Y direction. Connect frock connection pad 3 at the both ends of bottom plate 9, the one end butt of spring 7 is on the frock connection pad 3 of one end, and the other end butt is on slide locating piece 4, and frock connection pad 3 can drive the device rotation 180, and drilling, hole milling, arc milling, drilling tapping process reduce the accumulative total deviation of unnecessary for hole site and size are qualified and stable.

The sliding positioning block 4 is used for station alignment of the machined center bearing seat, a blank surface on one side is used as a machining reference surface according to the requirements of a customer drawing, and the blank surface cannot be completely positioned in a surface contact mode, so that the middle of the positioning end of the sliding positioning block is hollowed out, square positioning surfaces of 10X10 at two ends are only reserved to position the machined center bearing seat, and meanwhile, the product is limited in the X-axis direction and the Y-axis direction.

The X axle has been accurately fixed a position to location cylinder 13, the ascending processing horizontal position in Y axle two directions to withhold from one side through slide locating piece 4, can not use the cylinder to take place rotatory skew as the center by machining center bearing frame, the position of confirming punching can not take place the skew, ensures that the product can not take place to scrap. The bearing seat of the machined center can be completely positioned by matching the sliding positioning block 4.

The limiting mechanism used in the Z-axis direction is mainly realized by the pressure plate 5, and through an M16 threaded hole formed in the positioning cylinder, an operator can screw the positioning cylinder by using an M16 hexagon socket head cap screw, and simultaneously press the pressure plate 5 on the processed center bearing seat 10 to limit the Z-axis direction; in the process, the positioning cylinder limits the movement of the processed product in the X-axis direction.

According to the processing content of the processed part, the bottom plate 9 needs to be subjected to linear cutting processing for preventing processing interference, and because the flatness and the perpendicularity of the bottom plate 9 have great influence on the processing of the product, the shape and the size of the bottom plate 9 are processed by linear cutting, and the shape and the position tolerance size of the bottom plate 9 are not influenced.

In the description of the present invention, it is to be understood that the terms "above," "bottom," "parallel," "intermediate," and the like are used merely for convenience in describing and simplifying the present invention, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered as limiting.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean 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 invention. In this specification, the schematic representations of the terms used above do not necessarily refer 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.

The embodiments described above are intended to facilitate the understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.