CN211804036U - Special milling clamp for lower cross arm - Google Patents
Special milling clamp for lower cross arm Download PDFInfo
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- CN211804036U CN211804036U CN202020200692.5U CN202020200692U CN211804036U CN 211804036 U CN211804036 U CN 211804036U CN 202020200692 U CN202020200692 U CN 202020200692U CN 211804036 U CN211804036 U CN 211804036U
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- cross arm
- lower cross
- bottom plate
- rod
- block
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Abstract
A special milling clamp for a lower cross arm belongs to the technical field of manufacturing of parts of off-road armored vehicles. The special fixture for milling the lower cross arm comprises a bottom plate, a V-shaped block arranged above the bottom plate, a pressing plate, an auxiliary supporting rod, an equal-height block and a stop block, wherein the V-shaped block is fixedly connected with the bottom plate, the top of the V-shaped block is of a V-shaped structure and used for supporting the circular part of the lower cross arm, the pressing plate is connected with the bottom plate through a screw rod, the screw rod is provided with a nut with a flange and used for pressing the pressing plate, a mandril is arranged at the lower part of one end of the pressing plate, the bottom end of the mandril is connected with the bottom plate, a mandril cap is arranged at the top end of the mandril, the other end of the pressing plate is used for pressing the lower cross arm, the auxiliary. The special milling clamp for the lower cross arm is short in processing period, and can be used for quickly, simply and conveniently positioning and clamping products.
Description
Technical Field
The utility model relates to a cross-country armored car spare part makes technical field, in particular to xarm mills processing special fixture down.
Background
The machining requirement precision of the chassis suspension support system component of the cross-country armored vehicle is strict, and the lower cross arm plays a vital role in the system as a main structural component of the chassis suspension support system. In order to ensure the product quality, the lower cross arm needs to be clamped and positioned by a clamp during milling. Because the lower cross arm is irregular in shape and large in size, the clamp needs to clamp, position and support the lower cross arm in an auxiliary mode. The existing clamp has the defects of complex structure, large volume and long processing period, and seriously influences the processing efficiency of parts.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem that prior art exists, the utility model provides a xarm mills processing special fixture down, its processing cycle is short, can carry out quick, simple and convenient location clamping to the product.
In order to realize the purpose, the technical scheme of the utility model is that:
a special milling clamp for a lower cross arm comprises a bottom plate, and a V-shaped block, a pressing plate, an auxiliary supporting rod, an equal-height block and a stop block which are arranged above the bottom plate;
the V-shaped block is fixedly connected with the bottom plate, and the top of the V-shaped block is of a V-shaped structure and is used for supporting the circular part of the lower cross arm;
the pressing plate is connected with the bottom plate through a screw rod, and the screw rod is provided with a nut with a flange and used for pressing the pressing plate; a top rod is arranged at the lower part of one end of the pressing plate, the bottom end of the top rod is connected with the bottom plate, and a top rod cap is arranged at the top end of the top rod and used for propping the pressing plate; the other end of the pressing plate is used for pressing the lower cross arm;
the auxiliary supporting rod and the equal-height block are fixedly connected with the bottom plate respectively and used for supporting the lower cross arm;
the stop block is fixedly connected with the bottom plate and used for positioning the side face of the lower cross arm.
Furthermore, the pressing plate is of a long strip-shaped structure, and the screw penetrates through the middle of the pressing plate and is in threaded connection with the nut with the flange.
Furthermore, the number of the pressing plates is 5, and the number of the V-shaped blocks is two.
Furthermore, the number of the auxiliary supporting rods is two, the tops of the two auxiliary supporting rods are connected with the auxiliary supporting caps through thin hexagon nuts respectively, and the lower cross arm is supported by adjusting the height of the auxiliary supporting caps.
Furthermore, the equal-height blocks are provided with two, and each equal-height block is provided with a blind hole.
The bottom plate still is provided with the tool setting structure, the tool setting structure includes cutter arbor and tool setting cover, be connected cutter arbor and bottom plate, the tool setting cover sets up at the top to the cutter arbor for mill processing tool setting.
The bottom plate is also provided with a plurality of lifting rings for lifting the special fixture to be installed on the milling machine.
The utility model has the advantages that:
1) the utility model has simple structure and short processing period, and can quickly and simply position and clamp the product;
2) the upper V-shaped block, the auxiliary supporting rod and the equal-height block are used for supporting the bottom, the side face is positioned through the stop block, and the top is pressed through the pressing plate, so that the clamping stability and the positioning accuracy are ensured, and the part processing accuracy is further ensured;
3) by arranging the tool setting structure, the machining precision of milling is ensured;
4) the equal-height blocks are provided with blind holes, so that the interference during milling and drilling is avoided, and the precision of part processing is further ensured.
Additional features and advantages of the invention will be set forth in part in the detailed description which follows.
Drawings
Fig. 1 is a top view of a special milling fixture for a lower cross arm according to an embodiment of the present invention;
fig. 2 is a front view of a special milling fixture for a lower cross arm according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a bottom plate provided in an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a V-shaped block provided in an embodiment of the present invention;
fig. 5 is a schematic top view of a V-block provided in an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a pressing plate provided in an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a screw rod provided in an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a push rod provided in an embodiment of the present invention;
fig. 9 is a schematic structural view of a jack cap according to an embodiment of the present invention;
fig. 10 is a schematic front view of an equal-height block provided in an embodiment of the present invention;
fig. 11 is a schematic top view of an equal-height block provided by an embodiment of the present invention;
fig. 12 is a schematic front view of the cutter bar according to the embodiment of the present invention;
fig. 13 is a schematic top view of the tool bar according to an embodiment of the present invention;
fig. 14 is a schematic structural diagram of a tool setting cap according to an embodiment of the present invention;
fig. 15 is a schematic structural diagram of an auxiliary support cap according to an embodiment of the present invention;
fig. 16 is a schematic structural diagram of a stopper according to an embodiment of the present invention;
fig. 17 is a schematic top view of a stop provided in an embodiment of the present invention;
fig. 18 is a top view of a special fixture for milling a lower cross arm, which is provided by the embodiment of the present invention, clamping the lower cross arm;
fig. 19 is a front view of a lower cross arm milling special fixture clamping the lower cross arm according to an embodiment of the present invention.
Reference numerals in the drawings of the specification include:
1-bottom plate, 2-V-shaped block, 3-pressing plate, 4-auxiliary supporting rod, 5-contour block, 6-stop block, 7-screw rod, 8-nut with flange, 9-ejector rod, 10-ejector rod cap, 11-thin hexagon nut, 12-pair cutter bar, 13-pair cutter sleeve, 14-lifting ring, 15-inner hexagon bolt, 16-auxiliary supporting cap and 17-lower cross arm.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "vertical", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or may be connected between two elements through an intermediate medium, or may be directly connected or indirectly connected, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
In order to solve the problems in the prior art, as shown in fig. 1 to 19, the utility model provides a special milling clamp for a lower cross arm 17, which comprises a bottom plate 1, a V-shaped block 2, a pressing plate 3, an auxiliary supporting rod 4, an equal-height block 5 and a stop block 6, wherein the V-shaped block 2, the pressing plate 3, the auxiliary supporting rod 4, the equal-height block 5 and the stop block 6 are arranged above the bottom plate 1;
the V-shaped block 2 is fixedly connected with the bottom plate 1, and the top of the V-shaped block 2 is of a V-shaped structure and is used for supporting the circular part of the lower cross arm 17;
the pressing plate 3 is connected with the bottom plate 1 through a screw 7, and the screw 7 is provided with a nut 8 with a flange and used for pressing the pressing plate 3; a mandril 9 is arranged at the lower part of one end of the pressing plate 3, the bottom end of the mandril 9 is connected with the bottom plate 1, and a mandril cap 10 is arranged at the top end of the mandril 9 and is used for propping against the pressing plate 3; the other end of the pressing plate 3 is used for pressing a lower cross arm 17;
the auxiliary supporting rod 4 and the equal-height block 5 are fixedly connected with the bottom plate 1 respectively and used for supporting a lower cross arm 17;
the stop block 6 is fixedly connected with the bottom plate 1 and used for positioning the side surface of the lower cross arm 17.
In the utility model, 5 pressing plates 3 are arranged for clamping the lower cross arm 17 from different positions, the pressing plates 3 are in a strip-shaped structure, the screw 7 passes through the middle part of the pressing plates 3 and is in threaded connection with the flanged nut 8, the upper part of the screw 7 is provided with a thin part with a smaller diameter than the lower part, and the pressing plates 3 can move up and down along the thin part of the screw 7; the ejector rod 9 is in threaded connection with the ejector rod cap 10, and the height of the pressing plate 3 is adjusted by rotating the ejector rod cap 10; the flanged nut 8 and the ejector cap 10 cooperate to cause the pressure plate 3 to press against the lower cross arm 17. The V-block 2 is provided with two circular portions for supporting the lower cross arm 17. Preferably, the stop 6 is an L-shaped structure, the bottom of which is fixedly connected with the bottom plate 1, and the side of which is used for positioning the side of the lower cross arm 17.
The number of the auxiliary supporting rods 4 is two, the tops of the two auxiliary supporting rods 4 are respectively connected with an auxiliary supporting cap 16 through thin hexagonal nuts 11, and a lower cross arm 17 is supported by adjusting the height of the auxiliary supporting cap 16. The equal-height blocks 5 are provided with two, and each equal-height block 5 is provided with a blind hole. The auxiliary supporting rod 4 and the equal-height block 5 are used for supporting the lower cross arm 17 to ensure a processing plane, wherein the auxiliary supporting rod 4 supports different positions of the lower cross arm 17 by adjusting the height of an auxiliary supporting cap 16 through a thin hexagon nut 11, and the equal-height block 5 enables the equal-height block 5 to support the lower cross arm 17 through a blind hole in the top of the equal-height block without influencing milling and drilling of the lower cross arm 17.
The bottom plate 1 is further provided with a tool setting structure, the tool setting structure comprises a tool setting rod 12 and a tool setting sleeve 13, the tool setting rod 12 is connected with the bottom plate 1, the tool setting sleeve 13 is arranged at the top of the tool setting rod 12, and the tool setting rod 12 and the tool setting sleeve 13 are in interference fit and used for milling and tool setting.
The base plate 1 is also provided with a number of lifting rings 14 for lifting the special fixture for mounting on the milling machine.
The utility model discloses in, the part of being connected with bottom plate 1 all fixes on bottom plate 1 through hexagon socket head cap screw 15.
The one-time use process of the special milling clamp for the lower cross arm 17 comprises the following steps:
s1: hoisting the special fixture through a hoisting ring 14, and installing the special fixture on the milling machine;
s2: clamping a lower cross arm 17, correspondingly placing two circular parts of the lower cross arm 17 on two V-shaped blocks 2, and supporting the lower cross arm 17 through two auxiliary supporting rods 4 and two equal-height blocks 5; the lower cross arm 17 is positioned through the stop 6; and finally, adjusting the flanged nuts 8 and the ejector rod caps 10 of the 5 pressing plates 3 respectively to enable the pressing plates 3 to press the lower cross arm 17, and completing clamping and positioning of the parts.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (7)
1. A special milling clamp for a lower cross arm is characterized by comprising a bottom plate, a V-shaped block, a pressing plate, an auxiliary supporting rod, an equal-height block and a stop block, wherein the V-shaped block, the pressing plate, the auxiliary supporting rod, the equal-height block and the stop block are arranged above the bottom plate;
the V-shaped block is fixedly connected with the bottom plate and used for supporting the circular part of the lower cross arm;
the pressing plate is connected with the bottom plate through a screw rod, and the screw rod is provided with a nut with a flange and used for pressing the pressing plate; a top rod is arranged at the lower part of one end of the pressing plate, the bottom end of the top rod is connected with the bottom plate, and a top rod cap is arranged at the top end of the top rod; the other end of the pressing plate is used for pressing the lower cross arm;
the auxiliary supporting rod and the equal-height block are fixedly connected with the bottom plate respectively and used for supporting the lower cross arm;
the stop block is fixedly connected with the bottom plate and used for positioning the side face of the lower cross arm.
2. The special milling fixture for the lower cross arm according to claim 1, wherein the pressure plate is in a long strip structure, and the screw penetrates through the middle of the pressure plate and is in threaded connection with the flanged nut.
3. The special lower cross arm milling fixture as claimed in claim 1, wherein the number of the pressing plates is 5, and the number of the V-shaped blocks is two.
4. The special milling fixture for the lower cross arm as claimed in claim 1, wherein two auxiliary supporting rods are provided, the tops of the two auxiliary supporting rods are respectively connected with an auxiliary supporting cap through thin hexagonal nuts, and the lower cross arm is supported by adjusting the height of the auxiliary supporting cap.
5. The special milling clamp for the lower cross arm as claimed in claim 1, wherein two equal-height blocks are provided, and each equal-height block is provided with a blind hole.
6. The special milling fixture for the lower cross arm as claimed in any one of claims 1 to 5, wherein the bottom plate is further provided with a tool setting structure, the tool setting structure comprises a tool setting rod and a tool setting sleeve, the tool setting rod is connected with the bottom plate, and the tool setting sleeve is arranged at the top of the tool setting rod and used for milling and setting tools.
7. The special fixture for milling the lower cross arm as claimed in claim 6, wherein the bottom plate is further provided with a plurality of lifting rings for lifting the special fixture to be mounted on a milling machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020200692.5U CN211804036U (en) | 2020-02-24 | 2020-02-24 | Special milling clamp for lower cross arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020200692.5U CN211804036U (en) | 2020-02-24 | 2020-02-24 | Special milling clamp for lower cross arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211804036U true CN211804036U (en) | 2020-10-30 |
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ID=72999759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020200692.5U Active CN211804036U (en) | 2020-02-24 | 2020-02-24 | Special milling clamp for lower cross arm |
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| CN (1) | CN211804036U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113319334A (en) * | 2021-04-30 | 2021-08-31 | 航天材料及工艺研究所 | High-precision end face characteristic reverse milling process method |
-
2020
- 2020-02-24 CN CN202020200692.5U patent/CN211804036U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113319334A (en) * | 2021-04-30 | 2021-08-31 | 航天材料及工艺研究所 | High-precision end face characteristic reverse milling process method |
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