CN219053968U - Clamp for assisting straight gear in metallographic cutting along normal plane - Google Patents
Clamp for assisting straight gear in metallographic cutting along normal plane Download PDFInfo
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- CN219053968U CN219053968U CN202222295989.6U CN202222295989U CN219053968U CN 219053968 U CN219053968 U CN 219053968U CN 202222295989 U CN202222295989 U CN 202222295989U CN 219053968 U CN219053968 U CN 219053968U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model relates to a clamp for assisting a straight gear to cut a metallographic phase along a normal plane, which is technically characterized in that: the utility model provides an assist anchor clamps of straight gear along metallurgical cutting of normal face, includes clamp splice and coupling assembling, the clamp splice includes first clamp splice and second clamp splice, first clamp splice is equipped with first through-hole, the second clamp splice be equipped with the coaxial second through-hole of first through-hole, be equipped with threaded connection's thimble in the second through-hole, coupling assembling includes first slide bar, second slide bar and lead screw, first slide bar and second slide bar are installed in first clamp splice and are passed the second clamp splice, the lead screw is rotated and is installed at first clamp splice and pass the second clamp splice, the second clamp splice be equipped with quick change nut. According to the utility model, the straight gear is clamped, so that the straight gear can be stably cut along a normal plane, and the skew is prevented, thereby greatly improving the efficiency. In addition, the utility model has the advantages of simple structure, convenient and quick operation, high reliability and the like.
Description
Technical Field
The utility model relates to the technical field of metallographic cutting clamps, in particular to a clamp for assisting in metallographic cutting of a spur gear along a normal plane.
Background
After the gear is machined and formed, the hardness of the tooth part is improved by carburizing, quenching and other treatments, and the wear resistance is improved, so that the service life of the gear is prolonged. In order to maintain sufficient toughness for the gear, only the tooth surface may be subjected to high-frequency quenching to form a hardened layer in the tooth portion, while the inner matrix maintains the toughness of the material. The depth and hardness requirements of the hardened layer are clearly required, and in the heat treatment production process, the hardened depth layer and the hardness are required to be checked to ensure that the produced gear is qualified. Firstly, the gears are required to be cut into sample inlays so as to be convenient for checking hardness, depth of a hardening layer and observing metallography. The position of the gear sample needs to be cut and sampled from the middle of the gear tooth width along the normal plane so as to test the hardness of the tooth surface, the hardening depth of the tooth root and the metallographic observation.
The clamp on the general metallographic cutting machine is a vertical clamp mode, a gap is reserved between the two clamps, feeding cutting is conveniently performed on the grinding wheel, when the gap is larger than the tooth width of the gear, the normal face clamping of the gear tooth is not parallel to the grinding wheel, cutting sampling cannot be performed along the normal face, the existing clamp is slow in clamping, the clamping is not tight and unstable, in the cutting process, due to the influences of friction vibration and extrusion, the gear is easy to loosen, so that the problems of uneven cutting face, offset cutting direction and the like are solved, re-cutting is needed, and the efficiency is low.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model aims to provide the clamp for assisting the metallographic cutting of the spur gear along the normal plane, which has the advantages of simple structure, convenient and quick operation and high reliability.
The technical scheme adopted for solving the technical problems is as follows: the clamp comprises clamping blocks and a connecting assembly, wherein the clamping blocks comprise first clamping blocks and second clamping blocks, the first clamping blocks are provided with first through holes, the second clamping blocks are provided with second through holes coaxial with the first through holes, ejector pins in threaded connection are arranged in the second through holes, and the first clamping blocks and the second clamping blocks are movably connected through the connecting assembly.
As a further improvement of the utility model: the connecting assembly comprises a first slide bar, a second slide bar and a screw rod, wherein the first slide bar and the second slide bar are arranged on a first clamping block and penetrate through the second clamping block, the screw rod is rotatably arranged on the first clamping block, the screw rod penetrates through the second clamping block, and the second clamping block is provided with a quick-change nut.
As a further improvement of the utility model: the first clamping block is provided with a first through hole, the first through hole is far away from the first slide rod and the second slide rod, and the first clamping block is provided with a grid anti-slip surface.
As a further improvement of the utility model: the second clamp splice is equipped with the coaxial second through-hole of first through-hole, be equipped with threaded connection's thimble in the second through-hole, the second clamp splice is equipped with smooth recess, smooth recess keeps away from the second through-hole, the second clamp splice is equipped with the cotter way that link up the second clamp splice, be equipped with in the cotter way and pass smooth recess's bolt, the second clamp splice is equipped with grid antislip surface.
As a further improvement of the utility model: the thimble is cylindrical and the cylinder, the thimble is equipped with the screw thread with second through-hole matched with.
As a further improvement of the utility model: one end of the end face of the thimble is arranged to be conical, and the other end of the thimble is provided with a butterfly lug.
As a further improvement of the utility model: the connecting assembly comprises a first sliding rod, a second sliding rod and a screw rod, the screw rod is positioned between the first sliding rod and the second sliding rod, and a hand wheel is installed on the end of the screw rod, which penetrates through the second clamping block.
As a further improvement of the utility model: the first slide bar and the second slide bar are arranged on the first clamping block, and the first slide bar and the second slide bar respectively penetrate through the second clamping block.
As a further improvement of the utility model: the first slide bar and the second slide bar are of ladder structures, a first clamp spring is arranged at one end of the first slide bar, a second clamp spring is arranged at one end of the second slide bar, and the first slide bar and the second slide bar of the second clamp block string can slide linearly relative to the first clamp block.
As a further improvement of the utility model: the screw rod is rotatably arranged on the first clamping block, the quick-change nut is arranged on the second clamping block, the screw rod penetrates through the second clamping block, is arranged in the smooth groove and is in threaded fit with the quick-change nut, and the quick-change nut is rotatably arranged on a bolt penetrating through the smooth groove.
Compared with the prior art, the utility model has the beneficial effects that:
1) The first through hole, the second through hole and the thimble are matched, so that the gear is suitable for various shapes of product gears, and has the advantage of wide application; the screw rod is arranged between the first slide rod and the second slide rod, so that the advantages of stability and firmness in clamping products by the first clamping block and the second clamping block are realized;
2) The first slide bar and the second slide bar ensure that the tight clamping of the first clamping block and the second clamping block is not easy to misplace; the screw rod is matched with the quick-change nut, so that the first clamping block and the second clamping block can be quickly moved, quick and efficient clamping of products is realized, and the cutting efficiency is improved;
3) The product gear is clamped by the auxiliary clamp, so that the stability of the product gear is improved when the product gear is cut, and the product gear is not easy to loosen due to the influence of vibration and extrusion, so that the cutting surface is vertical, is not easy to deviate, and is stable; the auxiliary clamp is clamped through the fixed clamp of the cutting machine, the auxiliary clamp clamps the product again, the auxiliary clamp is regular in shape, and the advantages of easy clamping, stable clamping, accurate positioning and difficult deviation are realized.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic structural view of the present utility model.
FIG. 3 is a schematic view of the usage status structure of the present utility model.
Fig. 4 is a schematic view of a usage state structure of the present utility model.
In the figure: 11. the cutting machine comprises a first clamping block, 12, a first through hole, 21, a first sliding rod, 22, a second sliding rod, 23, a first clamping spring, 24, a second clamping spring, 3, a screw rod, 4, a hand wheel, 5, a quick-change nut, 61, a second clamping block, 62, a second through hole, 63, a smooth groove, 64, a pin groove, 65, a bolt, 7, a thimble, 8, a product gear, 91, a grinding wheel piece, 921, a first clamp of the cutting machine, 922, a second clamp of the cutting machine, 93 and a clamp interval of the cutting machine.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to specific embodiments of the present utility model and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper end face", "lower end face", "top", "bottom", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description of the present utility model, and therefore should not be construed as limiting the actual use direction of the present utility model.
The utility model will now be further described with reference to the accompanying drawings and examples: the clamp for assisting in metallographic cutting of the spur gear along a normal plane comprises clamping blocks and a connecting assembly, wherein each clamping block comprises a first clamping block 11 and a second clamping block 61, the first clamping block 11 is provided with a first through hole 12, the second clamping block 61 is provided with a second through hole 62 coaxial with the first through hole 12, a thimble 7 in threaded connection is arranged in the second through hole 62, and the first clamping block 11 and the second clamping block 61 are movably connected through the connecting assembly.
As an embodiment of the present utility model, the first through hole 12 is far from the first slide bar 21 and the second slide bar 22, and the first clamping block 11 is provided with a grid anti-slip surface on a surface area close to the second clamping block 61. The second clamping block 61 is provided with a second through hole 62 coaxial with the first through hole 12, the second clamping block 61 is provided with a smooth groove 63 far away from the second through hole 62, the second clamping block 61 is provided with a pin groove 64 penetrating through the second clamping block 61, the pin groove 64 is internally provided with a bolt 65 penetrating through the smooth groove 63, and the second clamping block 61 is provided with a grid anti-slip surface on the area close to the first clamping block 11. The second through hole 62 is internally provided with a thimble 7 in threaded connection, the thimble 7 is cylindrical, the cylindrical surface is provided with threads matched with the second through hole 62, one end of the end face of the thimble 7 is conical, and the other end of the end face of the thimble 7 is provided with a butterfly lug.
As an embodiment of the present utility model, the thimble 7 installed in the second through hole 62 may rotate by the butterfly-shaped ear wing, so that the thimble 7 may move back and forth in the second through hole 62, and the conical end of the thimble 7 may be telescopically adjusted between the first clamping block 11 and the second clamping block 61. The first through hole 12 and the second through hole 62 are positioned on the same axis, when the product gear 8 is clamped, the conical end of the thimble 7 is inserted into and combined with the inner hole of the product gear 8, the protruding part penetrates into the first through hole 12, so that tight clamping is realized, and when the product gear 8 has no inner hole, the thimble 7 is rotated to enable the product gear 8 to be completely retracted into the second through hole 62.
As an embodiment of the present utility model, the connecting assembly includes a first slide bar 21, a second slide bar 22 and a screw rod 3, where the first slide bar 21 and the second slide bar 22 are mounted on the first clamping block 11 and pass through the second clamping block 61, the first slide bar 21 and the second slide bar 22 respectively have a step structure, the diameters of the first slide bar 21 and the second slide bar 22 are smaller than those of a slide bar hole passing through the second clamping block 61, one ends of the first slide bar 21 and the second slide bar 22 passing through the first clamping block 11 are respectively provided with a first clamp spring 23 and a second clamp spring 24, and the second clamping block 61 is connected with the first slide bar 21 and the second slide bar 22 in series and can slide linearly relative to the first clamping block 11.
As an embodiment of the utility model, the screw rod 3 is rotatably mounted on the first clamping block 11 and passes through the second clamping block 61, the screw rod 3 is positioned between the first slide rod 21 and the second slide rod 22, the hand wheel 4 is fixedly mounted on the end of the screw rod 3 passing through the second clamping block 61, the screw rod 3 is rotatably mounted on the first clamping block 11, the second clamping block 61 is provided with a quick-change nut 5 positioned in the smooth groove 63, the screw rod 3 passes through the second clamping block 61, is positioned in the smooth groove 63 and is in threaded fit with the quick-change nut 5, and the quick-change nut 5 is rotatably mounted on a bolt 65 passing through the smooth groove 63.
As an embodiment of the utility model, a product gear 8 is placed between the first clamping block 11 and the second clamping block 61, the center hole of the product gear 8 clamps the upper thimble 7 in advance by relatively moving the first clamping block 11 and the second clamping block 61, then the quick-change nut 5 is pressed into the smooth groove 63, the hand wheel 4 is rotated to drive the screw rod 3 to rotate, the first clamping block 11 and the second clamping block 61 are used for tightly pressing the product gear 8 by mutually matching the screw rod 3 with the quick-change nut 5, and the pushing force of the screw rod 4 to the quick-change nut 5 ensures that the quick-change nut 5 cannot pop up by itself. After the cutting is completed, the quick-change nut 5 is broken out of the smooth groove 63, the first clamping block 11 and the second clamping block 61 can be directly pulled open, and the product gear 8 is taken out.
Implementation case:
the clamp for assisting the straight gear to cut along the normal metallographic phase comprises clamping blocks and connecting components, wherein each clamping block comprises a first clamping block 11 and a second clamping block 61, the first clamping block 11 is provided with a first through hole 12, the first clamping block 11 is provided with a grid anti-slip surface on a surface area close to the second clamping block 61, the second clamping block 61 is provided with a second through hole 62 coaxial with the first through hole 12, the second clamping block 61 is provided with a smooth groove 63 far away from the second through hole 62, the second clamping block 61 is provided with a pin groove 64 penetrating through the second clamping block 61, the pin groove 64 is internally provided with a pin 65 penetrating through the smooth groove 63, the second clamping block 61 is provided with a grid anti-slip surface on a surface area close to the first clamping block 11, the second through hole 62 is internally provided with a thimble 7 in threaded connection, the thimble 7 is cylindrical and is provided with threads matched with the second through hole 62, the first clamping block 11 and the second clamping block 61 are movably connected with the first through the connecting component and the second through hole 62 is coaxial with the first through hole 62.
The connecting assembly comprises a first slide bar 21, a second slide bar 22 and a screw rod 3, wherein the first slide bar 21 and the second slide bar 22 are installed on a first clamping block 11 and penetrate through a second clamping block 61, the first slide bar 21 and the second slide bar 22 are respectively in a ladder structure, the first slide bar 21 and the second slide bar 22 penetrate through the first clamping block 11, the diameter of the first slide bar 21 and the second slide bar 22 is smaller than the diameter of a slide bar hole penetrating through the second clamping block 61, and a first clamp spring 23 and a second clamp spring 24 are respectively arranged at one ends of the first slide bar 21 and the second slide bar 22 penetrating through the first clamping block 11. The screw rod 3 is rotatably mounted on the first clamping block 11 and penetrates through the second clamping block 61, the screw rod 3 is positioned between the first sliding rod 21 and the second sliding rod 22, a hand wheel 4 is fixedly mounted on the end, penetrating through the second clamping block 61, of the screw rod 3, the screw rod 3 is rotatably mounted on the first clamping block 11, the second clamping block 61 is provided with a quick-change nut 5 positioned in the smooth groove 63, the screw rod 3 penetrates through the second clamping block 61, is placed in the smooth groove 63 and is in threaded fit with the quick-change nut 5, and the quick-change nut 5 is rotatably mounted on a bolt 65 penetrating through the smooth groove 63.
The product gear 8 clamped between the first clamping block 11 and the second clamping block 61 is locked by the rotary screw 4, the auxiliary clamp is clamped by the first clamp 921 of the cutting machine and the second clamp 922 of the cutting machine, the product gear 8 is positioned in the space of the clamps of the cutting machine, the auxiliary clamp is moved to enable the cutting position of the product gear 8 to be aligned with the grinding wheel 91, and the first clamping block 11 and the second clamping block 61 of the auxiliary clamp are respectively clamped by the structures of the first clamp 921 of the cutting machine and the second clamp 922 of the cutting machine, so that the grinding wheel 91 is stably cut.
The gear 8 is suitable for products with various shapes, even for cutting other thinner product parts, and has the advantage of wide application.
The clamping product is more stable, the clamped product is firmer, the clamping is tight and is not misplaced, the quick replacement connection mode is provided, the quick and effective clamping of the product is realized, and the cutting efficiency is improved.
In view of the above, after reading the present document, those skilled in the art should make various other corresponding changes without creative mental effort according to the technical scheme and the technical conception of the present utility model, which are all within the scope of the present utility model.
Claims (10)
1. The utility model provides an assist anchor clamps of straight gear along metallurgical cutting of normal face, its characterized in that, includes clamp splice and coupling assembling, the clamp splice includes first clamp splice (11) and second clamp splice (61), first clamp splice (11) are equipped with first through-hole (12), second clamp splice (61) be equipped with coaxial second through-hole (62) of first through-hole (12), be equipped with thimble (7) of threaded connection in second through-hole (62), first clamp splice (11) and second clamp splice (61) pass through coupling assembling swing joint.
2. The clamp for assisting in metallographic cutting of a spur gear along a normal plane according to claim 1, wherein the connecting assembly comprises a first slide bar (21), a second slide bar (22) and a screw rod (3), wherein the first slide bar (21) and the second slide bar (22) are mounted on a first clamping block (11) and penetrate through a second clamping block (61), the screw rod (3) is rotatably mounted on the first clamping block (11), the screw rod (3) penetrates through the second clamping block (61), and the second clamping block (61) is provided with a quick-change nut (5).
3. The clamp for assisting in metallographic cutting of a spur gear along a normal plane according to claim 1, wherein the first clamping block (11) is provided with a first through hole (12), the first through hole (12) is far away from the first slide bar (21) and the second slide bar (22), and the first clamping block is provided with a grid anti-slip surface.
4. The clamp for assisting in metallographic cutting of the spur gear along a normal plane according to claim 1, wherein the second clamping block (61) is provided with a second through hole (62) coaxial with the first through hole (12), a thimble (7) in threaded connection is arranged in the second through hole (62), the second clamping block (61) is provided with a smooth groove (63), the second clamping block (61) is provided with a pin groove (64) penetrating through the second clamping block (61), a plug pin (65) penetrating through the smooth groove (63) is arranged in the pin groove (64), and the second clamping block (61) is provided with a grid anti-slip surface.
5. The clamp for assisting in metallographic cutting of the spur gear along a normal plane according to claim 4, wherein the thimble (7) is cylindrical and cylindrical, and the thimble (7) is provided with a thread matching with the second through hole (62).
6. The fixture for assisting in metallographic cutting of the spur gear along a normal plane according to claim 5, wherein one end of the end face of the thimble (7) is conical, and the other end of the thimble (7) is provided with a butterfly lug.
7. A clamp for assisting in the metallographic cutting of spur gears along a normal plane according to claim 1, characterised in that said connecting assembly comprises a first slide bar (21), a second slide bar (22) and a screw (3), said screw (3) being located between the first slide bar (21) and the second slide bar (22), said screw (3) being provided with a hand wheel (4) at the end passing through said second clamping block (61).
8. A clamp for assisting in the metallographic cutting of spur gears according to claim 7, characterised in that said first (21) and second (22) slide bars are mounted on a first clamping block (11), said first (21) and second (22) slide bars passing through a second clamping block (61) respectively.
9. The clamp for assisting in metallographic cutting of the spur gear along a normal plane according to claim 8, wherein the first slide bar (21) and the second slide bar (22) are of a ladder structure, a first clamp spring (23) is arranged at one end of the first slide bar (21), and a second clamp spring (24) is arranged at one end of the second slide bar (22).
10. The clamp for assisting in metallographic cutting of a spur gear along a normal plane according to claim 1, wherein the first clamping block (11) is rotatably provided with a screw rod (3), the second clamping block (61) is provided with a quick-change nut (5), the screw rod (3) passes through the second clamping block (61) to be placed in the smooth groove (63) and is in threaded fit with the quick-change nut (5), and the quick-change nut (5) is rotatably arranged on a bolt (65) passing through the smooth groove (63).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222295989.6U CN219053968U (en) | 2022-08-30 | 2022-08-30 | Clamp for assisting straight gear in metallographic cutting along normal plane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222295989.6U CN219053968U (en) | 2022-08-30 | 2022-08-30 | Clamp for assisting straight gear in metallographic cutting along normal plane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219053968U true CN219053968U (en) | 2023-05-23 |
Family
ID=86345482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222295989.6U Active CN219053968U (en) | 2022-08-30 | 2022-08-30 | Clamp for assisting straight gear in metallographic cutting along normal plane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219053968U (en) |
-
2022
- 2022-08-30 CN CN202222295989.6U patent/CN219053968U/en active Active
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