CN210060485U - Special drilling jig of 45L balance shaft - Google Patents
Special drilling jig of 45L balance shaft Download PDFInfo
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- CN210060485U CN210060485U CN201920830800.4U CN201920830800U CN210060485U CN 210060485 U CN210060485 U CN 210060485U CN 201920830800 U CN201920830800 U CN 201920830800U CN 210060485 U CN210060485 U CN 210060485U
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- balance shaft
- shaped support
- positioning seat
- shaped
- pressing plate
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Abstract
The utility model provides a special drilling clamp for a 45L balance shaft, which comprises a base, a positioning seat and a clamping assembly; the positioning seat and the clamping assembly are fixedly arranged on the base; the positioning seat is provided with a first accommodating groove used for accommodating a certain stepped shaft section of the balance shaft, and the stepped surface between the stepped shaft section and the adjacent stepped shaft section is abutted against the positioning seat; the clamping assembly comprises a V-shaped support, a pressing plate arranged above the V-shaped support and an adjusting screw rod used for adjusting the distance between the pressing plate and the V-shaped support; the pin hole of the balance shaft is positioned on one of the V-shaped supports, a through hole for a drilling tool to pass through is formed in the pressure strip above the V-shaped support, and the through hole and the pin hole are coaxially distributed. The utility model provides a special boring grab of 45L balanced axle can carry out accurate location and stable fixed to 45L balanced axle, makes things convenient for balanced axle drilling, and simple structure, convenient to use, and the practicality is strong.
Description
Technical Field
The utility model relates to a balanced axle processingequipment's field particularly, relates to a special boring grab of 45L balanced axle.
Background
45L balanced axle is automobile engine's essential element, adds man-hour needs fix balanced axle drilling, need fix balanced axle when drilling, and the processing cutter drills to the specific position of fixed balanced axle afterwards, and this needs develop a simple structure, convenient to use, location accurate and fixed stable special fixture.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a 45L balanced axle special boring grab can carry out accurate location and stable the fixing to 45L balanced axle, makes things convenient for balanced axle drilling, and simple structure, convenient to use, and the practicality is strong.
The embodiment of the utility model is realized like this: a special drilling clamp for a 45L balance shaft comprises a base, a positioning seat used for axially positioning the balance shaft, and a plurality of clamping assemblies which are distributed in parallel and used for clamping the balance shaft; the positioning seat and the clamping assembly are fixedly arranged on the base; the positioning seat is provided with a first accommodating groove used for accommodating a certain stepped shaft section of the balance shaft, and the stepped surface between the stepped shaft section and the adjacent stepped shaft section is abutted against the positioning seat; the clamping assembly comprises a V-shaped support, a pressing plate arranged above the V-shaped support and an adjusting screw rod used for adjusting the distance between the pressing plate and the V-shaped support; the pin hole of the balance shaft is positioned on one of the V-shaped supports, a through hole for a drilling tool to pass through is formed in the pressure strip above the V-shaped support, and the through hole and the pin hole are coaxially distributed.
Furthermore, one end of the pressing plate is hinged with the V-shaped support, and the other end of the pressing plate is provided with a connecting hole; a threaded hole is formed in the V-shaped support below the connecting hole; the adjusting screw penetrates through the connecting hole and then is in threaded connection with the threaded hole, and a nut of the adjusting screw abuts against one side, far away from the V-shaped support, of the pressing plate.
Further, the clamping assembly comprises a first clamping assembly and a second clamping assembly, the first clamping assembly comprises a first V-shaped support, a first pressing plate and a first adjusting screw rod, and the second clamping assembly comprises a second V-shaped support, a second pressing plate and a second adjusting screw rod; the first V-shaped support and the positioning seat are respectively arranged at two ends of the base and are respectively used for supporting two end parts of the balance shaft; the second V-shaped support is positioned between the positioning seat and the first V-shaped support, and the through hole is formed in the second pressing plate; the second step surface of the balance shaft is abutted against one side of the positioning seat close to the first V-shaped support.
Further, a yielding groove for accommodating the drilling tool is arranged at the bottom of the V-shaped groove of the second V-shaped support.
Furthermore, two inner side surfaces of the V-shaped groove are respectively fixedly provided with a V-shaped groove cushion block.
Further, a chamfer is arranged between one surface, away from the inner side surface of the V-shaped groove, of the V-shaped groove cushion block and the side surface of the V-shaped cushion block.
Furthermore, the positioning seat is fixedly connected with a positioning cushion block, and the positioning cushion block is provided with a second accommodating groove communicated with the first accommodating groove; the positioning cushion block is fixed on one side of the positioning seat close to the first V-shaped support, and the second step surface of the balance shaft abuts against the positioning cushion block.
Furthermore, the base is provided with a plurality of U-shaped holes for fixing the base on the processing machine tool.
The utility model has the advantages that: the utility model discloses a special boring grab of 45L balance shaft, with the step face butt of balance shaft on the positioning seat, carry out axial positioning to the balance shaft, will treat that the drilling position is put on one of them V type support, treat drilling position axial to confirm, set up the through-hole on the pressure strip of this V type support, the drilling cutter drills to the balance shaft through the through-hole, treat that the drilling position carries out circumference to confirm, realized the accurate location to the balance shaft; the balance shaft is placed on the V-shaped support to support the balance shaft, and the balance shaft is fixed in the circumferential direction and the axial direction through the pressing plate, so that the balance shaft is stably fixed; just the utility model discloses a boring grab, simple structure, convenient to use and cost of manufacture are low, have stronger practicality.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of a 45L balance shaft of the present invention;
fig. 2 is a schematic structural view of the special drilling jig for the 45L balance shaft according to the present invention;
fig. 3 is a schematic structural view of another view angle of the special drilling jig for the 45L balance shaft of the present invention;
fig. 4 is a schematic structural diagram of a third view angle of the special drilling jig for the 45L balance shaft of the present invention;
FIG. 5 is a schematic view of the structure of FIG. 3 taken along view A;
fig. 6 is a schematic structural view along the B-view in fig. 3.
Icon:
10-a balance shaft, 11-a first step surface, 12-a second step surface, 13-a first step shaft section, 14-a second step shaft section, 15-a pin hole, 20-a base, 21-a U-shaped hole, 30-a positioning seat, 31-a positioning cushion block, 41-a first V-shaped support, 42-a first pressure strip, 43-a first adjusting screw rod, 44-a second V-shaped support, 45-a second pressure strip, 451-a through hole, 46-a second adjusting screw rod, 47-a V-shaped groove cushion block and 48-an abdicating groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1, the balance shaft 10 of this embodiment is a 45L balance shaft 10, and includes a pin hole 15 penetrating through a central axis of the balance shaft 10, the pin hole 15 is disposed near one end of the balance shaft 10, the balance shaft 10 includes a plurality of stepped shaft sections, a first stepped shaft section 13 and a second stepped shaft section 14 are sequentially disposed at an end of the balance shaft 10 near one end of the pin hole 15, so as to form a first stepped surface 11 and a second stepped surface 12, and the embodiment is positioned by the second stepped surface 12.
The structure of the special drilling jig for the 45L balance shaft 10 of the present embodiment is shown in fig. 2 to fig. 6, and includes a base 20, a positioning seat 30 for axially positioning the balance shaft 10, and a plurality of clamping assemblies distributed in parallel for clamping the balance shaft 10; the positioning seat 30 and the clamping component are both fixedly arranged on the base 20; the positioning seat 30 is provided with a first accommodating groove for accommodating a certain stepped shaft section of the balance shaft 10, and a stepped surface between the stepped shaft section and an adjacent stepped shaft section abuts against the positioning seat 30; the clamping assembly comprises a V-shaped support, a pressing plate arranged above the V-shaped support and an adjusting screw rod used for adjusting the distance between the pressing plate and the V-shaped support; the position of the balance shaft 10 to be drilled is located on one of the V-shaped supports, a through hole 451 for a drilling tool to pass through is formed in the pressing plate above the V-shaped support, and the central axis of the through hole 451 is perpendicular to the central axis of the balance shaft 10.
When the balance shaft is used, a certain step surface of the balance shaft 10 is abutted to the positioning seat 30, the balance shaft 10 is axially positioned, in the embodiment, the second step surface 12 is abutted to the positioning seat 30, the second step shaft section 14 is positioned in the first accommodating groove, and the axial relative position between the balance shaft 10 and the base 20 is determined through the action of the positioning seat 30; meanwhile, the balance shaft 10 of the embodiment is placed on a plurality of V-shaped supports, the V-shaped supports support the balance shaft 10, and the pressure strip above the V-shaped supports presses the balance shaft 10 between the pressure strip and the V-shaped groove of the V-shaped supports, so that the balance shaft 10 is stably fixed on the base 20; the position of the balance shaft 10 to be drilled is located on one of the V-shaped supports, the axial position of the pin hole 15 is accurately determined through reasonably setting the position relation between the V-shaped support and the positioning seat 30 and the combined action of the V-shaped support and the positioning seat 30, and meanwhile, the circumferential position of the pin hole 15 is accurately determined through the position of the through hole 451 on the pressure strip. The embodiment further ensures the position accuracy of drilling by further specifically setting the position relationship between the drilling tool of the machine tool and the drilling clamp. In addition, the drilling jig of this embodiment simple structure, convenient to use and cost of manufacture are low, have stronger practicality.
In the embodiment, one end of the pressing plate is hinged with the V-shaped support, and the other end of the pressing plate is provided with a connecting hole; a threaded hole is formed in the V-shaped support below the connecting hole; the adjusting screw penetrates through the connecting hole and then is in threaded connection with the threaded hole, and a nut of the adjusting screw abuts against one side, far away from the V-shaped support, of the pressing plate. When the balance shaft 10 is installed, only the adjusting screw rod needs to be taken down, the pressing plate is lifted up, the balance shaft 10 is placed in the V-shaped groove of the V-shaped support, the pressing plate is put down, the adjusting screw rod penetrates through the connecting hole and then enters the threaded hole, the knob adjusting screw rod continues to be turned, the nut extrudes the pressing plate, the distance between the pressing plate and the V-shaped support is adjusted, and the balance shaft 10 is tightly fixed between the pressing plate and the V-shaped groove.
In this embodiment, the clamping assembly includes a first clamping assembly including a first V-shaped support 41, a first pressing plate 42 and a first adjusting screw 43, and a second clamping assembly including a second V-shaped support 44, a second pressing plate 45 and a second adjusting screw 46; the first V-shaped support 41 and the positioning seat 30 are respectively disposed at two ends of the base 20 and are respectively used for supporting two ends of the balance shaft 10; the second V-shaped support 44 is located between the positioning seat 30 and the first V-shaped support 41, and the through hole 451 is opened on the second pressing plate 45; the second step surface 12 at the end of the balance shaft 10 abuts against one side of the positioning seat 30 close to the first V-shaped support 41. The positioning seat 30 and the first V-shaped support 41 respectively support two end portions of the balance shaft 10, so that the balance shaft 10 is axially fixed, and the second V-shaped support 44 supports the balance shaft 10 at the pin hole 15, on one hand, positions the pin hole 15, and on the other hand, effectively supports the balance shaft 10 at the pin hole during drilling.
In this embodiment, the bottom of the V-shaped groove of the second V-shaped support 44 is provided with a yielding groove 48 for accommodating a drilling tool. The drilling tool is to process a pin hole 15 on the balance shaft 10, and when the drilling tool extends out from one side of the balance shaft 10, which is positioned at the bottom of the V-shaped groove, the drilling tool enters the abdicating groove 48, so that the V-shaped groove is not damaged. The first V-shaped support 41 of this embodiment also has a relief groove 48 at the bottom of the V-shaped groove.
In this embodiment, two inner side surfaces of the V-shaped groove are both fixedly provided with a V-shaped groove cushion block 47. The setting of V type groove cushion 47 is the size in order to adjust V type groove on the one hand, makes its step shaft section that holds that can just stably hold, and on the other hand, the friction between balanced axle 10 and the V type groove is great, and the easy friction of medial surface in V type groove is impaired, adopts convenient change and wear-resisting V type groove cushion 47, and the change frequency in reduction V type groove that can be effectual also can reduce the wearing and tearing to balanced axle 10.
In this embodiment, a chamfer structure is arranged between the surface of the inner side surface of the V-shaped groove cushion block 47 away from the V-shaped groove and the side surface of the V-shaped groove cushion block 47. The arrangement of the chamfering structure enables the drilling tool to smoothly enter the abdicating groove 48 after penetrating through the balance shaft 10.
In this embodiment, the positioning seat 30 is fixedly connected with a positioning cushion block 31, and the positioning cushion block 31 is provided with a second accommodating groove communicated with the first accommodating groove; the positioning cushion block 31 is fixed on one side of the positioning seat 30 close to the first V-shaped support 41, and the step surface of the balance shaft 10 abuts against the positioning cushion block 31. The positioning pad 31 also serves to reduce wear on the balance shaft 10 and to facilitate replacement of the wear prone parts.
In this embodiment, the base 20 is provided with a plurality of U-shaped holes 21 for fixing the base 20 to the processing machine. The base 20 of the present embodiment is detachably fixed to a fixed position on a machining tool, and when the machining tool machines the pin hole 15 of the balance shaft 10 of this type, the jig can be mounted on the machining tool for machining.
Besides, the drilling jig of the embodiment can be used for positioning and fixing the balance shaft 10 when the balance shaft 10 is flat, the balance shaft 10 is accurately positioned in a certain position relationship through the jig and is stably fixed, and the balance shaft 10 can be machined only by setting the specific position relationship of the machining tool relative to the jig during machining.
To sum up, 45L balanced axle 10 special boring grab of this embodiment can carry out accurate location and stable fixed to 45L balanced axle 10, makes things convenient for balanced axle 10 to drill, and simple structure, convenient to use, and the practicality is strong.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a 45L balanced axle special drilling jig which characterized in that: the device comprises a base, a positioning seat used for axially positioning the balance shaft and a plurality of clamping components which are distributed in parallel and used for clamping the balance shaft; the positioning seat and the clamping assembly are fixedly arranged on the base;
the positioning seat is provided with a first accommodating groove used for accommodating a certain stepped shaft section of the balance shaft, and a stepped surface between the stepped shaft section and the adjacent stepped shaft section is abutted against the positioning seat;
the clamping assembly comprises a V-shaped support, a pressing plate arranged above the V-shaped support and an adjusting screw rod used for adjusting the distance between the pressing plate and the V-shaped support;
the pin hole of the balance shaft is positioned on one of the V-shaped supports, through holes for the drilling tool to pass through are formed in the pressing plate above the V-shaped support, and the through holes and the pin hole are coaxially distributed.
2. The 45L balance shaft special drilling jig of claim 1, characterized in that: one end of the compression plate is hinged with the V-shaped support, and the other end of the compression plate is provided with a connecting hole; the V-shaped support below the connecting hole is provided with a threaded hole;
the adjusting screw penetrates through the connecting hole and then is in threaded connection with the threaded hole, and a nut of the adjusting screw abuts against one side, far away from the V-shaped support, of the compression plate.
3. The 45L balance shaft special drilling jig of claim 2, characterized in that: the clamping assembly comprises a first clamping assembly and a second clamping assembly, the first clamping assembly comprises a first V-shaped support, a first pressing plate and a first adjusting screw rod, and the second clamping assembly comprises a second V-shaped support, a second pressing plate and a second adjusting screw rod;
the first V-shaped support and the positioning seat are respectively arranged at two ends of the base and are respectively used for supporting two end parts of the balance shaft; the second V-shaped support is positioned between the positioning seat and the first V-shaped support, and the through hole is formed in the second pressing plate;
and the second step surface of the balance shaft is abutted against one side of the positioning seat close to the first V-shaped support.
4. The 45L balance shaft special drilling jig of claim 3, characterized in that: the V-shaped groove bottom of the second V-shaped support is provided with a yielding groove used for accommodating the drilling tool.
5. The 45L balance shaft special drilling jig of claim 4, characterized in that: and two inner side surfaces of the V-shaped groove are respectively fixedly provided with a V-shaped groove cushion block.
6. The 45L balance shaft special drilling jig of claim 5, characterized in that: and a chamfer is arranged between one surface of the V-shaped groove cushion block, which is far away from the inner side surface of the V-shaped groove, and the side surface of the V-shaped cushion block.
7. The 45L balance shaft special drilling jig of claim 5, characterized in that: the positioning seat is fixedly connected with a positioning cushion block, and a second accommodating groove communicated with the first accommodating groove is formed in the positioning cushion block; the positioning cushion block is fixed on one side, close to the first V-shaped support, of the positioning seat, and the second step surface of the balance shaft abuts against the positioning cushion block.
8. The 45L balance shaft special drilling jig of claim 1, characterized in that: the base is provided with a plurality of U-shaped holes for fixing the base to the processing machine tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920830800.4U CN210060485U (en) | 2019-06-03 | 2019-06-03 | Special drilling jig of 45L balance shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920830800.4U CN210060485U (en) | 2019-06-03 | 2019-06-03 | Special drilling jig of 45L balance shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210060485U true CN210060485U (en) | 2020-02-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920830800.4U Active CN210060485U (en) | 2019-06-03 | 2019-06-03 | Special drilling jig of 45L balance shaft |
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| CN (1) | CN210060485U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112605615A (en) * | 2020-12-18 | 2021-04-06 | 汉德车桥(株洲)齿轮有限公司 | Machining process for pin hole of shaft part |
| CN116117454A (en) * | 2023-04-14 | 2023-05-16 | 河北卡玛液压机械有限公司 | Hot charging process for heavy mine car suspension assembly |
-
2019
- 2019-06-03 CN CN201920830800.4U patent/CN210060485U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112605615A (en) * | 2020-12-18 | 2021-04-06 | 汉德车桥(株洲)齿轮有限公司 | Machining process for pin hole of shaft part |
| CN116117454A (en) * | 2023-04-14 | 2023-05-16 | 河北卡玛液压机械有限公司 | Hot charging process for heavy mine car suspension assembly |
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