CN217860048U

CN217860048U - Outer lane drilling frock

Info

Publication number: CN217860048U
Application number: CN202221414101.XU
Authority: CN
Inventors: 洪毅实
Original assignee: Fujian Fushan Bearing Co ltd
Current assignee: Fujian Fushan Bearing Co ltd
Priority date: 2022-06-08
Filing date: 2022-06-08
Publication date: 2022-11-22
Anticipated expiration: 2032-06-08

Abstract

The utility model relates to the field of bearing processing, in particular to an outer ring drilling tool, which comprises a support plate, a processing table and a positioning component; the outer ring drilling tool is fixedly connected to a supporting surface through the support plate; the processing table is fixedly connected with the support plate and comprises a positioning cylinder, and an outer ring to be processed is sleeved on the positioning cylinder; the positioning assembly comprises an extension cushion block and a telescopic pin; the telescopic pin is fixedly connected to a preset position of the side wall of the processing table through a corresponding extension cushion block, and a straight line in the telescopic direction of the telescopic pin passes through the center of the positioning cylinder; and the telescopic head of the telescopic pin can be inserted into the processing hole of the outer ring to be processed. The utility model discloses as long as it is fixed flexible pin with the angle of boring bit can guarantee that this hole is promptly with the angle of preceding hole the angle precision in hole and hole is guaranteed to the angle of drill bit and the flexible pin that corresponds.

Description

Outer lane drilling frock

Technical Field

The utility model relates to a bearing processing field especially relates to an outer lane drilling frock.

Background

For the bearing, the uniform lubrication of the internal grease is an important condition for ensuring the normal and efficient work of the bearing, so that the high precision of the angle between the oil hole and the oil hole is required to be ensured during the drilling process of the bearing outer ring, the grease can be uniformly injected into the bearing through the oil hole when the bearing is subjected to grease injection again, in other words, the angle between the oil holes is a key for ensuring the uniform lubrication of the steel ball inside the bearing in the grease injection process.

At present, in the process of manually drilling the outer ring, in order to ensure that the angle of the oil hole is the same as the expected angle, a tool is generally provided with scribed lines with the corresponding angle of the oil hole of the outer ring, and manual processing is carried out in a scribed line mode by visually observing the alignment of the drilled oil hole of the outer ring during manual processing; meanwhile, due to the limitation of the positions of the machine tool and the tooling, some scribed lines have certain difficulty in line alignment by visual inspection, so that the accuracy of angles between the machined oil hole and between the machined oil hole and the machined stop nail hole is not easy to guarantee, and the expected use effect of a product cannot be achieved in the using process. Meanwhile, workers carry out processing in a mode of aligning the positions of the outer ring processing holes with the angle scale marks in a visual inspection mode, and the workers need to keep concentrated mind and match hands and eyes for a long time during batch processing, so that fatigue is easy to occur, the labor cost is increased, and the production efficiency is reduced.

Therefore, how to find a method for drilling holes in the outer ring of the bearing, which ensures that the angles between the oil holes meet the predetermined high-precision drilling method, is an urgent problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an outer lane drilling frock to the angle setting error between oilhole and the oilhole is great among the solution prior art, the problem that the precision is low.

In order to solve the technical problem, the utility model provides an outer ring drilling tool, which comprises a support plate, a processing table and a positioning assembly;

the outer ring drilling tool is fixedly connected to a supporting surface through the support plate;

the processing table is fixedly connected with the support plate and comprises a positioning cylinder, and an outer ring to be processed is sleeved on the positioning cylinder;

the positioning assembly comprises an extension cushion block and a telescopic pin;

the telescopic pin is fixedly connected to a preset position of the side wall of the processing table through a corresponding extension cushion block, and a straight line in the telescopic direction of the telescopic pin passes through the center of the positioning cylinder;

and the telescopic head of the telescopic pin can be inserted into the processing hole of the outer ring to be processed.

Optionally, in the outer ring drilling tool, the processing table includes an outer ring mandrel tool and a drilling positioning pad block, which are coaxially and fixedly connected;

the outer ring mandrel tool comprises the positioning cylinder, and the positioning assembly is connected to the side wall of the drilling positioning cushion block.

Optionally, in the outer ring drilling tool, the positioning cylinder is located on a first surface of the outer ring mandrel tool, a second surface of the outer ring mandrel tool, which is opposite to the first surface, includes a connecting rod, and a threaded area is arranged at one end of the connecting rod, which is far away from the positioning cylinder;

the support plate comprises a support through hole, and the drilling positioning cushion block comprises a main through hole;

the connecting rod sequentially penetrates through the main through hole and the support through hole, the surface of the support plate, far away from the outer ring mandrel tool, is fastened through bolts matched with the threaded area, and the outer ring mandrel tool, the drilling positioning cushion block and the support plate are fixedly connected.

Optionally, in the outer ring drilling tool, the drilling positioning cushion block or the outer ring mandrel tool further includes an auxiliary fixing through hole with a counter bore;

and fixedly connecting the drilling positioning cushion block and the outer ring mandrel tool through the auxiliary fixing through holes and auxiliary fixing screws matched with the auxiliary fixing through holes.

Optionally, in the outer ring drilling tool, the machining table further includes a scale mark;

the positioning assembly realizes angle positioning through the scale marks.

Optionally, in the outer ring drilling tool, the scale mark is at least one of an angle line and a positioning notch.

Optionally, in the outer ring drilling tool, the machining table includes a platform side wall, and a planar projection of the platform side wall in a direction perpendicular to a height direction of the positioning cylinder is a straight line segment;

the extending direction of the straight line section is vertical to the telescopic direction of the telescopic pin corresponding to the side wall of the platform.

Optionally, in the outer ring drilling tool, the telescopic pin is a spring pin.

Optionally, in the outer ring drilling tool, a telescopic head of the telescopic pin is a conical head, a circular truncated cone head or an arc top head;

the diameter of the root of the telescopic head is larger than that of the processing hole.

Optionally, in the outer ring drilling tool, the extension cushion block includes a straight notch;

and the straight groove opening is used for fixedly connecting the extension cushion block to the processing table through a groove opening screw matched with the straight groove opening.

The utility model provides an outer ring drilling tool, which comprises a support plate, a processing table and a positioning component; the outer ring drilling tool is fixedly connected to a supporting surface through the support plate; the processing table is fixedly connected with the support plate and comprises a positioning cylinder, and an outer ring to be processed is sleeved on the positioning cylinder; the positioning assembly comprises an extension cushion block and a telescopic pin; the telescopic pin is fixedly connected to a preset position of the side wall of the processing table through a corresponding extending cushion block, and a straight line in which the telescopic direction of the telescopic pin is located passes through the circle center of the positioning cylinder; and the telescopic head of the telescopic pin can be inserted into the processing hole of the outer ring to be processed.

The utility model discloses set up flexible pin, owing to treating the in-process that the processing outer lane punched, drill bit's position is motionless, consequently, as long as it is fixed flexible pin with drill bit's angle to after having beaten previous hole, will cavity rotation to the flexible pin below that corresponds will flexible pin inserts in the hole, can accomplish right treat the location of processing outer lane, in addition, treat that processing outer lane and cylindrical cooperation are clearance fit, continue to punch this moment, can guarantee that the angle of this hole and previous hole is promptly the angle of drill bit and the flexible pin that corresponds to the angle precision in assurance hole and hole.

Drawings

In order to clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 to fig. 3 are schematic structural diagrams of an outer ring drilling tool according to a specific embodiment of the present invention at different angles;

fig. 4 is a schematic structural diagram of an outer ring mandrel tool according to an embodiment of the outer ring drilling tool provided in the present invention;

fig. 5 is a schematic structural view of a drilling positioning pad block according to an embodiment of the outer ring drilling tool provided by the present invention;

fig. 6 is a schematic structural diagram of a support plate according to an embodiment of the outer ring drilling tool provided by the present invention;

fig. 7 is a schematic structural diagram of an extension pad block according to an embodiment of the outer ring drilling tool provided by the present invention;

fig. 8 is a schematic structural view of a telescopic pin according to a specific embodiment of the outer ring drilling tool provided by the present invention.

Detailed Description

In order to make the technical field better understand the solution of the present invention, the following detailed description is given with reference to the accompanying drawings and the detailed description. It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to limit the invention to the precise embodiments disclosed. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

The core of the utility model is to provide an outer ring drilling tool, the structure schematic diagram of one specific implementation way is shown in fig. 1 to 8, and the tool comprises a support plate 1, a processing table and a positioning component;

the outer ring drilling tool is fixedly connected to a supporting surface through the support plate 1;

the processing table is fixedly connected with the support plate 1 and comprises a positioning cylinder 36, and an outer ring to be processed is sleeved on the positioning cylinder 36;

the positioning assembly comprises an extension cushion block 4 and a telescopic pin 5;

the telescopic pin 5 is fixedly connected to a preset position of the side wall of the processing table through a corresponding extension cushion block 4, and a straight line of the telescopic direction of the telescopic pin 5 passes through the center of the positioning column 36;

the telescopic head 52 of the telescopic pin 5 can be inserted into the processing hole of the outer ring to be processed.

As a specific implementation manner, the processing table comprises an outer ring mandrel tool 3 and a drilling positioning cushion block 2 which are coaxially and fixedly connected;

the outer ring mandrel tool 3 comprises the positioning cylinder 36, and the positioning assembly is connected to the side wall of the drilling positioning cushion block 2.

Referring to fig. 1, fig. 1 is a schematic view illustrating that the outer ring mandrel tool 3 and the drilling positioning pad 2 are installed on the support plate 1 in a connecting manner, and the machining table is divided into two parts which can be disassembled and assembled, so that the production and machining difficulty can be greatly reduced, the cost is reduced, and the production efficiency is improved.

As a preferred embodiment, the positioning cylinder 36 is located on a first surface of the outer ring mandrel tool 3, a second surface of the outer ring mandrel tool 3 opposite to the first surface includes a connecting rod 32, and one end of the connecting rod 32 away from the positioning cylinder 36 is provided with a threaded area 33;

the support plate 1 comprises a support through hole 12, and the drilling positioning cushion block 2 comprises a main through hole 21;

the connecting rod 32 sequentially penetrates through the main through hole 21 and the support through hole 12, and is fastened on the surface of the support plate 1, which is far away from the outer ring mandrel tool 3, through a bolt matched with the threaded area 33, so that the outer ring mandrel tool 3, the drilling positioning cushion block 2 and the support plate 1 are fixedly connected.

The outer ring mandrel tool 3 shown in fig. 1 to 3 is a five-hole tool, and is a tool for punching 5 holes on an outer ring because of 4 positioning components and an initial machining hole which does not need positioning, and of course, the number of the machining holes (oil holes) can be automatically adjusted according to actual needs. The operation opening direction of the rotary support is marked in fig. 1 to 3, but it is only for illustration, and other directions of drilling can be selected in practical operation.

Referring to fig. 2, 4 and 5, fig. 4 is a schematic structural view of the outer ring mandrel fixture 3 biased toward the second surface, fig. 5 is a schematic structural view of the drilling positioning pad 2, fig. 2 is a schematic structural view from a back side of the bracket plate 1 after the outer ring mandrel fixture 3 and the drilling positioning pad 2 are mounted on the bracket plate 1 in a connected manner, and it can be seen from fig. 2 that the connecting rod 32 penetrating through the bracket through hole 12 of the bracket plate 1 is already provided with the bolt 7 matching the threaded area 33. The outer ring mandrel tool 3, the drilling positioning cushion block 2 and the support plate 1 are firmly fixed through the connecting rod 32, tight connection of the outer ring mandrel tool 3, the drilling positioning cushion block 2 and the support plate is achieved on the basis that a moving part is not introduced, reliability is high, the process is simple, and the reliability of a device is improved while low production cost is guaranteed.

With further reference to fig. 1 and 3, the positioning cylinder 36 is a hollow cylinder (or ring) to save material; in addition, the hollow cylinder is a defective cylinder, namely a discontinuous circular ring, and a gap is formed, so that the processed outer ring can be taken down more easily.

Furthermore, the drilling positioning cushion block 2 or the outer ring mandrel tool 3 further comprises an auxiliary fixing through hole 24 with a counter bore;

and fixedly connecting the drilling positioning cushion block 2 and the outer ring mandrel tool 3 through the auxiliary fixing through holes 24 and auxiliary fixing screws matched with the auxiliary fixing through holes 24.

Referring to fig. 4 and 5, in the present embodiment, the auxiliary fixing through hole 24 with a counter bore is disposed on the drilling positioning pad 2 (see fig. 5), and meanwhile, the outer ring mandrel fixture 3 is also provided with a corresponding threaded through hole 35, so that the auxiliary fixing screw enters the corresponding threaded through hole 35 through the auxiliary fixing through hole 24, and the relative angle between the drilling positioning pad 2 and the outer ring mandrel fixture 3 is locked, thereby preventing the relative rotation between the drilling positioning pad 2 and the outer ring mandrel fixture 3 from affecting the drilling accuracy and the angle between the hole and the hole, and improving the angle setting accuracy. There are two in fig. 5 supplementary fixed through-hole 24, in actual production, certainly also can set up arbitrary figure such as 1, 3, 5 as required, the utility model discloses do not do the restriction here, perhaps, also can with supplementary fixed through-hole 24 sets up on outer lane dabber frock 3, and set up corresponding screw thread through-hole 35 in on drilling locating pad 2, the utility model discloses do not do the restriction here.

As a preferred embodiment, the processing station further comprises a scale mark;

the positioning assembly realizes angle positioning through the scale marks.

If the angle between the drilled through holes is expected and accurate, the installation of the positioning assembly is required to be ensured to be accurate, the scale mark is further additionally arranged on the processing table in the specific embodiment, after the positioning assembly is installed, the telescopic pin 5 can be calibrated according to the scale mark, and after the telescopic pin 5 is fixed, the center of the telescopic pin 5 is on the same line with the angle line, so that the high-accuracy control of the drilling position is finally realized.

Further, the scale mark is at least one of an angle line and a positioning notch 34.

In combination with the outer ring mandrel tool 3 and the drilling positioning pad 2 which are coaxially and fixedly connected, the scale mark may be disposed on the outer ring mandrel tool 3, or may be disposed on the drilling positioning pad 2, or as shown in fig. 1, or fig. 4, or fig. 5, both the outer ring mandrel tool 3 and the drilling positioning pad 2 are disposed, wherein the outer ring mandrel tool 3 of fig. 4 is disposed with the angle line 31 and the positioning notch 34, and the drilling positioning pad 2 of fig. 5 is only disposed with the angle line 23 (the angle of fig. 5 is only visible when the angle line 23 on the drilling positioning pad 2 is set with the angle line 31 on the outer ring mandrel tool 3, and then the angle line 23 on the drilling positioning pad 2 is aligned with the angle line 31 on the outer ring mandrel tool 3 or the edge of the positioning notch 34, so as to ensure the accuracy of the installation position of the telescopic column pin 5, thereby ensuring the high accuracy of the angle between the holes and ensuring the accuracy of the machining angle. Wherein, the angle line can be the angle line that the line cutting obtained, of course, also can be the angle line on the pigment printing, the utility model discloses do not do the restriction here.

Also, the machining table includes a table side wall, which is projected as a straight line segment in a plane perpendicular to the direction of height of the positioning cylinder 36;

the extension direction of the straight line section is vertical to the extension direction of the telescopic pin 5 corresponding to the side wall of the platform.

Referring to fig. 5, the drilling positioning pad 2 in fig. 5 is not a circular plate, but is a segment of circular arc cut by one straight line segment, where the edge sidewall of the straight line segment is called as a platform sidewall, and the positioning assembly needs to be installed on the sidewall of the drilling positioning pad 2, so that the side edge of the drilling positioning pad 2 is cut into a straight side surface, which is convenient for installing the positioning assembly, improves the production efficiency, and reduces the installation difficulty of the positioning assembly.

In addition, the telescopic pin 5 is a spring pin. That is, the retractable head 52 of the retractable pin 5 is pushed out by the spring in the pre-compressed state, so that the step of manually adjusting the extension of the retractable pin 5 can be omitted, the punching process is simplified, and the punching efficiency is improved.

On the basis of the above specific embodiment, the telescopic head 52 of the telescopic pin 5 is a conical head, a truncated cone head, or an arc top head;

the diameter of the root of the telescopic head 52 is larger than that of the machining hole.

In other words, the machining hole is clamped on the inclined surface of the telescopic head 52, and the tangent line at the side edge of the machining hole is not perpendicular to the side wall of the telescopic head 52, so that when one machining hole is completed and the outer ring needs to be rotated to manufacture the next machining hole, the telescopic pins 5 do not need to be pulled out of the machining hole one by one and then the outer ring does not need to be rotated, but the outer ring can be directly rotated, and in the rotating process, the force applied to the telescopic head 52 has an upward component (i.e. the direction of withdrawing from the machining hole), so that the outer ring can be directly separated from the fixed state of the outer ring to be machined only by rotating the outer ring, and meanwhile, when the previous machining hole reaches the next telescopic head 52, the telescopic head 52 can fall into the machining hole in a clicking manner, so that a worker can obviously insert the spring pin 52 into the oil hole (i.e. the machining hole), and the worker can effectively remind the operator of the position of machining of the next hole, and the precision of the machining angle is ensured; meanwhile, the continuity of outer ring drilling is ensured, the processing efficiency is improved, and the labor intensity is reduced.

Preferably, the flexible head 52 is the round platform head, the round platform head with behind the processing hole contact, the resistance that produces when rotatory outer lane is moderate, and its flat head is difficult to cause the damage to the device, of course, also can choose for use flexible head 52 of other types according to actual conditions, the utility model discloses do not limit here.

Referring to fig. 6, fig. 6 shows an embodiment of the support plate, the support plate is an "L-shaped" plate, the bottom surface of the support plate has a straight groove 11, and the support plate can be locked on a working platform of a manual drilling machine by a positioning bolt, and the locking position can be adjusted by adjusting the locking position of the positioning bolt at the straight groove 11.

As a preferred embodiment, the extension pad 4 comprises a straight slot 42;

the straight notch 42 is used for fixedly connecting the extension cushion block 4 to the processing table through a notch screw 6 matched with the straight notch 42.

Referring to fig. 7, the straight notch 42 is provided for the extension pad 4, so that the extension distance of the extension pad 4 can be adjusted, and thus, the same outer ring drilling tool can be applied to bearing outer rings of multiple types, thereby reducing the tool cost and the labor management cost and improving the economic benefit.

The extension block 4 in fig. 7 is a 7-shaped block, the telescopic pin 5 is not in line with the straight notch 42, and the telescopic pin 5 is connected with the extension block 4 through a threaded through hole 41 in the figure. Referring to fig. 8, fig. 8 is a schematic structural view of the telescopic stud 5, wherein a threaded portion 51 is matched with the threaded through hole 41 of the extension block 4, the distance from the telescopic stud 5 to the machining hole can be adjusted by rotating the threaded portion 51, and the drilling positioning block 2 further includes a notch screw hole 22 corresponding to the notch screw 6.

The utility model provides an outer ring drilling tool, which comprises a support plate 1, a processing table and a positioning component; the outer ring drilling tool is fixedly connected to a supporting surface through the support plate 1; the processing table is fixedly connected with the support plate 1 and comprises a positioning cylinder 36, and an outer ring to be processed is sleeved on the positioning cylinder 36; the positioning assembly comprises an extension cushion block 4 and a telescopic pin 5; the telescopic pin 5 is fixedly connected to a preset position of the side wall of the processing table through the corresponding extension cushion block 4, and a straight line in the telescopic direction of the telescopic pin 5 passes through the center of the positioning cylinder 36; the telescopic head 52 of the telescopic pin 5 can be inserted into the processing hole of the outer ring to be processed. The utility model discloses set up flexible pin 5, owing to treating the in-process that the processing outer lane punched, the position of drill bit is motionless, consequently, as long as it is fixed flexible pin 5 with the angle of drill bit to after having beaten preceding hole, will the cavity is rotatory to the 5 below of the flexible pin that corresponds, will flexible pin 5 inserts in the hole, can accomplish right treat the location of processing the outer lane, in addition, treat that the cooperation of processing outer lane and cylinder 36 is clearance fit, continue to punch this moment, can guarantee that the angle of this hole and preceding hole is promptly the drill bit is with the angle of the flexible pin 5 that corresponds to the angle precision in assurance hole and hole.

The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

It is to be noted that, in the present specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

It is right above the utility model provides an outer lane drilling frock introduces in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the scope of the appended claims.

Claims

1. An outer ring drilling tool is characterized by comprising a support plate, a processing table and a positioning assembly;

2. The outer ring drilling tool of claim 1, wherein the machining table comprises an outer ring mandrel tool and a drilling positioning cushion block which are coaxially and fixedly connected;

3. The outer ring drilling tool of claim 2, wherein the positioning cylinder is located on a first surface of the outer ring mandrel tool, a second surface of the outer ring mandrel tool, which is opposite to the first surface, comprises a connecting rod, and one end, away from the positioning cylinder, of the connecting rod is provided with a threaded area;

4. The outer ring drilling tool of claim 3, wherein the drilling positioning pad or the outer ring mandrel tool further comprises an auxiliary fixing through hole with a counter bore;

5. The outer ring drilling tool of claim 1, wherein the machining table further comprises scale marks;

the positioning assembly realizes angle positioning through the scale marks.

6. The outer ring drilling tool according to claim 5, wherein the scale marks are at least one of angle lines and positioning notches.

7. The outer ring drilling tool according to claim 1, wherein the machining table comprises a platform side wall, and a plane projection of the platform side wall in a direction perpendicular to the height direction of the positioning cylinder is a straight line segment;

the extension direction of the straight line section is perpendicular to the extension direction of the telescopic pin corresponding to the side wall of the platform.

8. The outer race drilling tool of claim 1, wherein the telescoping pin is a spring pin.

9. The outer ring drilling tool according to claim 8, wherein the telescopic head of the telescopic pin is a conical head, a truncated cone head or an arc top head;

the diameter of the root of the telescopic head is larger than that of the machining hole.

10. An outer race drilling assembly according to any one of claims 1 to 9, wherein the extension pad includes a rebate;

the straight groove opening is used for fixedly connecting the extension cushion block to the processing table through a groove opening screw matched with the straight groove opening.