CN210045827U - Cross axle head multilateral hole anchor clamps that punch a hole - Google Patents
Cross axle head multilateral hole anchor clamps that punch a hole Download PDFInfo
- Publication number
- CN210045827U CN210045827U CN201920623865.1U CN201920623865U CN210045827U CN 210045827 U CN210045827 U CN 210045827U CN 201920623865 U CN201920623865 U CN 201920623865U CN 210045827 U CN210045827 U CN 210045827U
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- Prior art keywords
- punch
- universal joint
- positioning
- joint pin
- positioning groove
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- 229910003460 diamond Inorganic materials 0.000 claims abstract description 24
- 239000010432 diamond Substances 0.000 claims abstract description 24
- 238000004080 punching Methods 0.000 claims description 14
- 241000239290 Araneae Species 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 235000003283 Pachira macrocarpa Nutrition 0.000 description 1
- 241001083492 Trapa Species 0.000 description 1
- 235000014364 Trapa natans Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 235000009165 saligot Nutrition 0.000 description 1
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Abstract
The utility model relates to a cross axle processing technology field provides a cross axle head multilateral hole anchor clamps that punch a hole, and this anchor clamps include: a base, on which a positioning groove is arranged; the punch arm is arranged on the machine tool and corresponds to the base; the punch assembly comprises a lower tip and an upper punch, and the lower tip is arranged in the positioning groove; the upper punch is arranged at the end part of the punch arm, is coaxially opposite to the lower tip and can be driven by the punch arm to move up and down; the positioning piece is adjustably arranged on the machine tool and is used for positioning the cross shaft to be processed in cooperation with the positioning groove; the lower center and the front end part of the upper punch are provided with the same diamond head, and the diamond head of the lower center and the diamond head of the upper punch are symmetrically arranged up and down; when the universal joint pin fixing device works, a shaft at one end of the universal joint pin is arranged in the positioning groove, and the adjusting positioning piece transversely presses the universal joint pin to fix the universal joint pin. The fixture is convenient to use and wide in application range, can punch holes in the shaft end of the cross shaft, and enables the punched shaft end holes to be accurately positioned and to be diversified in style.
Description
Technical Field
The utility model relates to a processing technology field of cross especially relates to a cross axle head multilateral hole anchor clamps that punch a hole.
Background
The cross shaft products relate to grinding of four shafts when being produced and processed. In the prior art, a grinding machine clamping pull rod is usually adopted, one shaft perpendicular to a shaft to be ground is tightly leaned to drive the shaft to rotate for processing, the grinding of the two shafts cannot be completed by one-time clamping, and the production efficiency is low. In order to improve the production efficiency and reduce the production cost, the shaft end center hole of the cross shaft is processed into a square hole or other polygonal holes in advance, the clamping fixture adopts a diamond head tip matched with the square hole or the polygonal hole, during clamping, the diamond head is matched with the polygonal center hole, the clamping and the poking of a workpiece can be realized, and the processing of the coaxial shaft can be completed by one-step clamping.
A anchor clamps that is used for cross axle head to punch a hole among the prior art is the round hole of punching out on the basis of axle head centre bore pilot hole, need not fix a position the rotation angle of round hole when punching the round hole, therefore, directly follow on original cross axle head anchor clamps that punch a hole and trade drift and top, can not satisfy the requirement of punching a square hole or multilateral hole. Therefore, there is a need for a spider shaft end punching fixture capable of punching a square hole or other polygonal holes with accurate positioning.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of existence among the above-mentioned prior art, provide a cross axle head multilateral hole anchor clamps that punch a hole, this anchor clamps simple structure, convenient to use, application scope is wide, can punch a hole to the cross axle head, and the axle head hole location of punching out is accurate, and the form is various.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a cross axle head polygon hole anchor clamps that punch a hole, installs on the lathe, its characterized in that includes:
a base, on which a positioning groove is arranged;
the punch arm is arranged on the machine tool and corresponds to the base;
the punch assembly comprises a lower tip and an upper punch, and the lower tip is arranged in the positioning groove; the upper punch is arranged at the end part of the punch arm, is coaxially opposite to the lower tip and can be driven by the punch arm to move up and down; and
the positioning piece is adjustably arranged on the machine tool and is used for positioning the cross shaft to be processed in cooperation with the positioning groove;
the lower center and the front end part of the upper punch are provided with the same diamond head, and the diamond head of the lower center and the diamond head of the upper punch are symmetrically arranged up and down; when the universal joint pin fixing device works, a shaft at one end of the universal joint pin is arranged in the positioning groove, and the adjusting positioning piece transversely presses the universal joint pin to fix the universal joint pin.
Further, the diamond head is a regular quadrangular prism, a regular hexagonal prism or a regular octagonal prism, and the corresponding diamond head tip is a quadrangular pyramid, a hexagonal pyramid or an octagonal pyramid.
Furthermore, the base of the upper punch is square, and the front end of the punch arm is provided with a matched mounting groove.
Furthermore, a first clamping portion is arranged on the lower tip cylinder body, and a second clamping portion matched with the first clamping portion is arranged in the positioning groove.
Furthermore, the positioning piece is of an L-shaped structure and can slide up and down and/or back and forth.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses an anchor clamps are equipped with constant head tank, lower top, drift arm, upper punch and setting element, and constant head tank and lower punch can be treated and process the cross work piece and carry out level and longitudinal position location, and the setting element transversely compresses tightly and treats processing cross, prevents that the work piece from rotating, promptly the utility model discloses an anchor clamps can be with treating the accurate location of processing cross, then punch a hole the operation, guarantee the accuracy that punches a hole.
2. The utility model discloses a clamp, the water chestnut head of its drift subassembly front end portion can be multiple shape, like regular quadrangular prism type, regular hexagonal prism type or regular octagon prism type. When punching is carried out, the upper center and the lower center components with different shapes can be selected according to the requirements of workpieces to be processed, and polygonal shaft end center holes are punched.
3. The utility model has square upper punch base, matched mounting groove at the front end of the punch arm, and fixed upper punch on the punch arm (non-rotatable); be equipped with first block portion of matched with and second block portion in lower top and the constant head tank for lower top can fix the installation and in the constant head tank (can not rotate), guaranteed that the axle head centre bore position of punching out is accurate, can not take place rotatory skew.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.
Fig. 2 is a schematic view of an upper punch structure according to an embodiment of the present invention.
Fig. 3 is a partial schematic view of a punch arm according to an embodiment of the present invention.
Fig. 4 is a schematic structural view of a lower center in an embodiment of the present invention.
Fig. 5 is a schematic top view of the base according to the embodiment of the present invention.
Reference numerals:
1: a base; 2: positioning a groove; 21: a second engaging portion; 3: a lower center; 31: a first engaging portion; 4: a punch arm; 5: an upper punch; 51: a base; 6: a positioning member; 7: mounting grooves; 8: a diamond head.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
In the description of the present invention, it should be understood that the terms "transverse," "upper," "lower," "front," "rear," "left," "right," "inner," "outer," "axial," and the like refer to the orientation or positional relationship as shown in the drawings, or as the orientation or positional relationship as the product of the present invention is used and as the orientation or positional relationship as those skilled in the art conventionally understand, and are used merely for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 5, the embodiment provides a cross axle end polygonal hole punching fixture, which is mounted on a machine tool and comprises a base 1, a positioning groove 2, a punch arm 4, a punch assembly and a positioning element 6.
The base 1 is detachably arranged at the lower part of the machine tool and is provided with a positioning groove 2. The punch arm 4 is mounted on the upper part of the machine tool and corresponds to the base 1 mounted on the lower part of the machine tool. The punch assembly comprises a lower tip 3 and an upper punch 5, and the lower tip 3 is arranged in the positioning groove 2; the upper punch 5 is arranged at the end part of the punch arm 4, coaxially opposite to the lower tip 3 and can be driven by the punch arm 4 to move up and down. The positioning piece 6 is arranged on the upper part of the machine tool, the position of the positioning piece is adjustable, and when the shaft end of the cross shaft is punched, the positioning piece 6 and the positioning groove 2 cooperate to position and clamp the cross shaft workpiece.
The end parts of the lower tip 3 and the upper punch 5 of the punch assembly are both provided with the diamond heads 8, the structures of the diamond heads 8 are the same, and during installation, the diamond heads 8 of the lower tip 3 and the diamond heads 8 of the upper punch 5 are vertically symmetrical.
Further, the diamond head 8 includes a cylinder portion and a tip portion, and the shape of the cylinder portion can be various, for example, the cylinder portion can be a regular quadrangular prism, a regular hexagonal prism, a regular octagonal prism, or other regular polygonal prisms, and the like, and the tip portion thereof is a quadrangular pyramid, a hexagonal pyramid, an octagonal pyramid, or other polygonal pyramid structure. A central hole of a regular square, a regular hexagon, a regular octagon or other regular polygons can be punched.
Further, the upper punch 5 comprises a base 51, a cylinder and a diamond head 8 at the end, the base 51 is preferably square, the front end of the corresponding punch arm 4 is provided with a mounting groove 7, the mounting groove 7 is matched with the base 1 of the upper punch 5, and the base 51 of the upper punch 5 is positioned in the mounting groove 7 and matched with the mounting groove 7 during mounting. Obviously, the base 51 of the upper punch 5 may also be a structure with other shapes, such as a triangle, a regular pentagon, a regular hexagon, etc., and the installation grooves 7 are all matched with the shape of the base 51, so that the upper punch 5 can be accurately positioned and installed during installation, and cannot rotate.
Further, the lower center 3 includes a column body and a diamond head 8 at an end portion, and a first engaging portion 31 is preferably provided on the column body. The corresponding positioning groove 7 is provided with a second clamping part 21 matched with the first clamping part 31. When the lower center 3 is installed, the first clamping part 31 and the second clamping part 21 are matched and limited, so that the lower center 3 can be accurately positioned and installed and can be prevented from rotating. Referring to fig. 4 and 5, in the present embodiment, the first engaging portion 31 is a cross-shaped protrusion and is located at the lower portion of the lower core of the lower center 3; the second clamping part is a cross-shaped recess and is positioned at the bottom of the positioning groove 2.
It should be noted that, in the clamp of the embodiment of the present invention, a plurality of sets of punch assemblies can be provided, and the diamond head structure and/or the size of each set are different, so that punch assemblies of different shapes or sizes can be selected as required for punching.
Further, the utility model discloses base 1 of embodiment also sets a plurality ofly, and the constant head tank 2 size of a plurality of bases is inequality. When the universal joint pin positioning device is used, the positioning groove 2 is matched with an end shaft of a universal joint pin workpiece, and the universal joint pin workpiece can be horizontally limited, so that the universal joint pin workpiece can only axially slide or rotate along the positioning groove 2 and cannot move front and back and left and right. The base 1 with the positioning grooves 2 of different sizes is arranged, the base can be replaced according to different sizes of the machined workpieces, and the application range is wide.
The embodiment of the utility model provides a setting element 6, its structure is "L" font, installs on the picture lathe, can follow the lathe and slide from top to bottom and/or slide from beginning to end. When the universal joint pin clamping device works, an end shaft at one end of a universal joint pin workpiece is arranged in the positioning groove 7 and matched with the positioning groove 7, and the positioning piece 6 is adjusted to transversely press the universal joint pin from the side surface, so that the universal joint pin workpiece is positioned and clamped.
When the machine tool works, firstly, according to a workpiece to be machined, a proper base 1 is selected and installed at the lower part of the machine tool; secondly, selecting a proper punch head assembly and installing the punch head assembly on the installation groove 2 and the punch head arm 4; thirdly, placing an end shaft of the cross shaft workpiece to be machined in the mounting groove 2, and adjusting the up-down position and the front-back distance of the positioning piece 6 to enable the positioning piece to be in contact with the cross shaft workpiece to be machined so as to transversely press the cross shaft; finally, the punch arm 4 moves downwards to drive the upper punch 5 to punch downwards.
Claims (5)
1. The utility model provides a cross axle head polygon hole anchor clamps that punch a hole, installs on the lathe, its characterized in that includes:
the base (1) is provided with a positioning groove (2);
the punch arm (4) is arranged on the machine tool and corresponds to the base (1);
the punch assembly comprises a lower tip (3) and an upper punch (5), and the lower tip (3) is arranged in the positioning groove (2); the upper punch (5) is arranged at the end part of the punch arm (4), coaxially opposite to the lower tip (3) and can be driven by the punch arm (4) to move up and down; and
the positioning piece (6) is adjustably arranged on the machine tool and is used for positioning the cross shaft to be machined together with the positioning groove (2);
the lower center (3) and the front end part of the upper punch (5) are provided with the same diamond head (8), and the diamond head (8) of the lower center (3) and the diamond head (8) of the upper punch (5) are arranged in a vertically symmetrical manner; when the universal joint pin fixing device works, a shaft at one end of the universal joint pin is arranged in the positioning groove (2), and the adjusting positioning piece (6) transversely compresses the universal joint pin to realize the fixation of the universal joint pin.
2. The cross axle end polygonal hole punching clamp as claimed in claim 1, characterized in that the diamond head (8) is regular quadrangular prism type, regular hexagonal prism type or regular octagonal prism type, and the corresponding diamond head (8) tip is quadrangular pyramid type, hexagonal pyramid type or octagonal pyramid type.
3. A spider shaft end polygonal hole punching fixture according to claim 1 or 2, characterized in that the base (51) of the upper punch (5) is square and the front end of the punch arm (4) is provided with a matching mounting groove (7).
4. The cross shaft end polygonal hole punching clamp according to claim 3, characterized in that a first clamping portion (31) is arranged on the lower center (3) cylinder body, and a second clamping portion (21) matched with the first clamping portion (31) is arranged in the positioning groove (2).
5. The cross axle end polygonal hole punching clamp as claimed in claim 1 or 4, wherein the positioning member (6) is of an L-shaped structure and can slide up and down and/or back and forth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920623865.1U CN210045827U (en) | 2019-04-30 | 2019-04-30 | Cross axle head multilateral hole anchor clamps that punch a hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920623865.1U CN210045827U (en) | 2019-04-30 | 2019-04-30 | Cross axle head multilateral hole anchor clamps that punch a hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210045827U true CN210045827U (en) | 2020-02-11 |
Family
ID=69381786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920623865.1U Expired - Fee Related CN210045827U (en) | 2019-04-30 | 2019-04-30 | Cross axle head multilateral hole anchor clamps that punch a hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210045827U (en) |
-
2019
- 2019-04-30 CN CN201920623865.1U patent/CN210045827U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A kind of polygonal hole punching fixture for cross shaft end Effective date of registration: 20201202 Granted publication date: 20200211 Pledgee: Mingshan Branch of Ya'an Rural Commercial Bank Co.,Ltd. Pledgor: SICHUAN LIANMAO MACHINERY MANUFACTURE Co.,Ltd. Registration number: Y2020510000108 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200211 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |