CN210704281U - Grinding machine sample anchor clamps - Google Patents
Grinding machine sample anchor clamps Download PDFInfo
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- CN210704281U CN210704281U CN201921525707.9U CN201921525707U CN210704281U CN 210704281 U CN210704281 U CN 210704281U CN 201921525707 U CN201921525707 U CN 201921525707U CN 210704281 U CN210704281 U CN 210704281U
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Abstract
The utility model discloses a grinding machine sample anchor clamps, including lead screw (3), base (4), left side bush (8), right side bush (9), right side jaw (10) and left side keep silent (11), wherein left side bush (8) and right side bush (9) inlay respectively and join in marriage in the step hole of base (4) left and right ends, T font left side is kept silent (11) and right jaw (10) insert respectively and are located base (4) central vertical trompil, its diaphragm falls on base (4) upper surface, can slide on base (4) upper surface, lead screw (3) insert from base (4) right-hand member step hole, keep silent (10) anticlockwise rotation fit in place with the right side, then keep silent (11) clockwise rotation fit in place with the left side, lead screw left end is worn out and is fixed from base (4) left end step hole. The sample clamp of the grinding machine adopts quick spiral clamping, can greatly reduce the sample clamping time, has high clamping precision, is convenient and reliable, and can ensure the sample grinding precision.
Description
Technical Field
The utility model relates to a grinding machine anchor clamps especially relate to an anchor clamps that realize quick clamping and abrasive machining of non ferrous metal sample such as titanium alloy sample.
Background
At present, when non-ferrous metal sample semi-finished parts such as titanium alloy samples are ground and processed, the titanium alloy sample semi-finished parts are uniformly arranged on the table surface of the electromagnetic chuck of the grinding machine, and the electromagnetic chuck of the grinding machine cannot suck the titanium alloy samples due to the fact that the titanium alloy belongs to non-ferrous metals, so that the titanium alloy samples cannot be fixed, and therefore grinding processing cannot be carried out. In order to solve the problem, generally, around the titanium alloy sample which is uniformly arranged, a ferrous metal plate strip is used for closely surrounding the titanium alloy sample, the titanium alloy sample which is uniformly arranged is fixed by utilizing the suction force of the ferrous metal plate strip, and grinding processing forming is carried out under the condition that the ferrous metal plate strip is closely arranged and the circumference of a grinding wheel of a grinding machine faces downwards.
In addition, at present, when non-ferrous metal sample semi-finished parts such as titanium alloy samples are ground, vice clamping can be used for grinding, a grinding machine uses a vice, the vice must be a precise micro vice, and the cost of the precise micro vice is high. In addition, the titanium alloy sample is clamped and ground by using a vice, the clamping is complicated, the grinding wheel of the grinding head of the grinding machine is not matched with the vice, the interference often occurs, the collision accident is easy to happen during the grinding, the machining efficiency is very low, and the grinding precision of the titanium alloy sample cannot be guaranteed.
SUMMERY OF THE UTILITY MODEL
In view of the above problems in the prior art, the present invention is to provide a sample clamp for a grinding machine, which can accurately position and quickly clamp, and ensure the grinding precision of the sample.
The above object of the present invention is achieved by the following technical solutions:
a grinding machine sample clamp comprises a lead screw, a base, a left bushing, a right jaw and a left jaw, wherein the left bushing and the right bushing are respectively embedded in stepped holes at the left end and the right end of the base, the T-shaped left jaw and the T-shaped right jaw are respectively inserted into a longitudinal hole in the center of the base, and a transverse plate of the T-shaped left jaw and the T-shaped right jaw is dropped on the upper surface of the base and can slide on the upper surface of the base. The lead screw is inserted from a step hole at the right end of the base, is matched with the right jaw in a counterclockwise rotating mode, is matched with the left jaw in a clockwise rotating mode, and penetrates out of and is fixed to the step hole at the left end of the base.
Furthermore, the grinding machine sample clamp further comprises a left front guide block, a left rear guide block, a right front guide block and a right rear guide block, wherein one end of the left front guide block and one end of the left rear guide block are respectively embedded in the through grooves in the front surface and the rear surface of the base, and the other end of the left front guide block and the other end of the left rear guide block are fixed on the transverse plate end surface of the T-shaped left jaw. One end of the right front guide block and one end of the right rear guide block are respectively embedded in the through grooves, and the other ends of the right front guide block and the right rear guide block are fixed on the end surface of the transverse plate of the T-shaped right jaw. The guide block can play a role in stable guiding so as to improve the sliding positioning precision and further improve the sample processing precision.
The utility model discloses a grinding machine sample anchor clamps adopt quick spiral clamp tightly, clamping sample time that can significantly reduce, and the clamping precision is high, and is convenient reliable again, can ensure sample abrasive machining precision.
Drawings
Fig. 1 is a front view of a grinding machine sample holder according to an embodiment of the present invention;
fig. 2 is a left side view of a grinding machine sample holder in accordance with an embodiment of the present invention;
fig. 3 is a top view of a grinding machine sample holder in accordance with an embodiment of the present invention.
Detailed Description
For a clearer understanding of the objects, technical solutions and advantages of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and embodiments.
Fig. 1-3 are front, left and top views, respectively, of a grinding machine sample holder in accordance with an embodiment of the present invention. As shown in the figure, the sample clamp of the grinding machine of the utility model comprises a screw rod 3, a base 4, a left bush 8, a right bush 9, a right jaw 10 and a left jaw 11. A longitudinal opening (in this context, the longitudinal direction refers to the up-down direction) is provided in the center of the upper surface of the base 4, and in engineering practice, the longitudinal opening may be a longitudinal through hole, i.e., an opening penetrating from the upper surface to the lower surface of the base 4, in view of processing convenience and weight reduction. In addition, step holes are respectively arranged at the left end and the right end of the base 4 along the horizontal direction, and the step holes are communicated with the open holes.
The left bush 8 and the right bush 9 are respectively inserted and matched in the step holes at the left end and the right end of the base 4. The left and right jaws 11, 10 of the T-shape are inserted into the longitudinal opening at the center of the base 4 from above, respectively, and the transverse plate above the left and right jaws 11, 10 of the T-shape is dropped on the upper surface of the base 4 and can slide on the upper surface of the base 4. The screw rod 3 is inserted from a step hole at the right end of the base 4, is matched with the right jaw 10 in place by anticlockwise rotation, and then is matched with the left jaw 11 in place by clockwise rotation. And then, the left end head of the screw rod 3 penetrates out of a stepped hole at the left end of the base 4 and is fixed, and the fixation can be realized through a gasket 2 and a nut 1.
In addition, as shown in the figure, the sample clamp of the grinding machine can further comprise a left front guide block 7, a left rear guide block 7 ', a right front guide block 6, a right rear guide block 6', a left front guide block 7 and a left rear guide block 7 ", wherein one end of each of the guide blocks is embedded in a through groove formed in the front surface and the rear surface of the base 4, and the other end of each of the guide blocks is fixed on the transverse plate end surface of the T-shaped left jaw 11 through a cylindrical head screw 5. Similarly, one end of the right front guide block 6 and one end of the right rear guide block 6' are respectively embedded in the through grooves, and the other end is fixed on the transverse plate end surface of the T-shaped right jaw 10 by using a cylindrical head screw 5 (see fig. 2 and 3 in particular). The guide blocks can play a role in stable guide so as to improve the sliding positioning precision of the left jaw and the right jaw, thereby further improving the sample processing precision.
In addition, considering that the requirements on the precision and the surface roughness of the grinding machine sample clamp are high, and certain requirements are provided on the strength, the hardness, the wear resistance and the corrosion resistance, the clamp parts except for standard parts such as the hexagon nut 1, the washer 2 and the cylindrical head screw 5 adopt A3 steel, and the rest parts such as the screw rod 3, the base 4, the guide block, the bush, the jaw and the like all adopt No. 45 steel materials with the hardness of HRC 38-42 after heat treatment. In addition, the two matched sliding surfaces of the clamp part are matched and adopt clearance fit H9/d 9. In addition, the surface of the clamp can be covered with a chromium coating to avoid corrosion and rusting caused by corrosive media such as grinding cooling liquid, hand sweat and the like.
In the embodiment, the external dimension of the grinding machine sample clamp is 220 multiplied by 75 multiplied by 50mm, and the maximum clamping range is 0-95 mm. The specification of each part of the clamp is as follows (the unit of the dimension which is not marked is mm):
hexagonal nut 1: specification M14, pitch 2 mm;
gasket 2: the specification phi is 15 multiplied by phi 28 multiplied by 2 mm;
a screw rod 3: the maximum overall dimension phi is 34 multiplied by 220mm, the dimension of the joint of the left end and the hexagon nut 1 is M14 multiplied by 20, the dimension of the joint of the left end and the hexagon nut 8 is phi 15d9 multiplied by 17, the dimension of the joint of the left jaw 11 is T20 multiplied by 2 right multiplied by 60, the dimension of the joint of the right jaw 10 is T22 multiplied by 2 left multiplied by 60, the dimension of the joint of the right jaw 9 is phi 23 multiplied by 20, the right end is a shaft shoulder and a square tenon which are connected through a cylinder, wherein the shaft shoulder dimension is phi 34 multiplied by 5, and the square tenon dimension is 22 multiplied by 20;
base 4: rectangle, maximum dimension 175X 55X 40 mm; the central rectangular longitudinal through hole is 135 long and 35H9 wide, the left end central step hole phi 36H9 multiplied by 4 multiplied by phi 22D9 multiplied by 16, and similarly, the right end central step hole phi 36H9 multiplied by 4 multiplied by phi 30D9 multiplied by 16;
cylindrical head screw 5: the specification M4 × 18mm, the pitch 0.7mm, two per guide block, for a total of 8;
Left bush 8: the maximum overall dimension phi is 36 multiplied by 20, the inner through hole phi is 15h9 multiplied by 20, the outer circle phi is 22d9 multiplied by 16, and the sleeve shoulder phi is 32 multiplied by 4;
right bush 9: the maximum overall dimension phi is 32 multiplied by 20, the inner through hole phi is 23h9 multiplied by 20, the outer circle phi is 30d9 multiplied by 16, and the sleeve shoulder phi is 36 multiplied by 4;
right jaw 10: the maximum external dimension is 20 multiplied by 55 multiplied by 48mm, the external shape is T-shaped, the length of the upper transverse plate is 55 mm, the width is 20mm, the height is 10 mm, the length of the lower vertical plate is 35d9 mm, the width is 20mm, the height is 38 mm, and the center of the lower vertical plate is T22 multiplied by 2 left-hand internal threads;
left jaw 11: the maximum dimension is 20 multiplied by 55 multiplied by 48mm, the appearance is T-shaped, the upper transverse plate is 55 long, 20 wide and 10 high, the lower vertical plate is 35d9 long, 20 wide and 38 high, and the center of the lower vertical plate is T20 multiplied by 2 right-handed internal threads.
And after the machining and heat treatment processes of all parts of the clamp are finished and the parts are completely qualified by inspection, assembling can be carried out. Firstly, horizontally placing a base 4 in a proper position in a vice of a bench worker workbench and clamping, embedding a left bush 8 in a left step hole of the base 4, sleeving a right bush 9 on the square tenon end (right end) of a screw rod 3 to be matched with an inner hole at the right end of the base 4, respectively inserting a left jaw 11 and a right jaw 10 into the inner hole of the base, matching the right jaw 10 with the screw rod 3 to rotate anticlockwise to a position by using a left hand or a right hand or a standard wrench with an opening No. 22, matching the left jaw 11 with the screw rod 3 to rotate clockwise to a position, checking whether the left bush 8 and the right bush 9 are in place or not, if all parts are assembled in place, fixing a gasket 2 and a nut 1 at the left end of the screw rod, adjusting the relative positions of the assembled screw rod and the left and right jaws, and enabling the left and right jaws to be basically in. The lead screw square tenon rotates clockwise to realize rapid clamping. The lead screw square tenon rotates anticlockwise to realize quick loosening.
When the clamp is adjusted to the optimal position (the left jaw and the right jaw are positioned in the center of the base), the hexagonal nut 1 is fixed, so that the nut and the screw rod are prevented from relatively moving or loosening in the use process of the clamp. This can be done by drilling a cotter hole in the hex nut 1 with a phi 2 x 30 cotter (the cotter length can be selected with reference to the hex nut side-to-side thickness 22 and with reference to only 25, 30, 35, preferably 30, of the standard series of cotter lengths greater than 22). The cotter pin is inserted into the fixing nut (left end of the lead screw) for fixing. In the assembly, a small amount of No. 30 engine oil can be added to each matching surface of the clamp, so that the assembly is convenient and free.
In-service use the utility model discloses a during grinding machine sample anchor clamps, at first select installation flat grinder abrasive machining for titanium alloy sample emery wheel, balanced, leveling, maintain the emery wheel to select to prepare flat grinder abrasive machining titanium alloy sample emulsion. And then, placing the grinding machine sample clamp in the center of the surface of the grinding machine sucker, starting the machine, and running the grinding machine at a low speed for several minutes to ensure that the grinding machine hydraulic oil is fully circulated in the grinding head. And then, starting a sucker button to enable the grinding machine sample clamp to be firmly adsorbed on the grinding machine electromagnetic sucker. And (3) adjusting the right square tenon of the screw rod 3 of the grinding machine sample clamp anticlockwise to enable the right jaw 10 and the left jaw 11 to move reversely and rapidly left and right respectively, wherein the opening is larger than 60-70 mm. A titanium alloy sample, such as a titanium alloy impact sample or a Charpy U-shaped notch titanium alloy impact test piece 6/item, is simultaneously and orderly placed in the same direction, a right-end square tenon of a screw rod 3 of a grinding machine sample clamp is adjusted clockwise, the square tenon is screwed clockwise by a 22 # open spanner (a sleeve and an adjustable spanner), and a right jaw 10 and a left jaw 11 are respectively driven to clamp (loosen) by virtue of a left-handed trapezoidal thread and a right-handed trapezoidal thread on the screw rod 3, so that the titanium alloy sample is clamped (loosened).
Claims (6)
1. A grinding machine sample clamp is characterized by comprising a screw rod (3), a base (4), a left bush (8), a right bush (9), a right jaw (10) and a left jaw (11), wherein the left bushing (8) and the right bushing (9) are respectively embedded and matched in the step holes at the left end and the right end of the base (4), the T-shaped left jaw (11) and the right jaw (10) are respectively inserted into a longitudinal hole at the center of the base (4) from the upper part, transverse plates of the T-shaped left jaw (11) and the right jaw (10) fall on the upper surface of the base (4), can slide on the upper surface of the base (4), the screw rod (3) is inserted from a step hole at the right end of the base (4) and is matched with the right jaw (10) in place in a counterclockwise rotating way, then the screw rod rotates clockwise to match with the left jaw (11) to a proper position, and the left end of the screw rod (3) penetrates out of a stepped hole at the left end of the base (4) and is fixed.
2. A grinder sample holder as claimed in claim 1, characterized in that the grinder sample holder further comprises a left front guide block (7), a left rear guide block (7 '), a right front guide block (6) and a right rear guide block (6'), one end of the left front guide block (7) and one end of the left rear guide block (7 ') are respectively inserted into the through grooves on the front and rear surfaces of the base (4), the other end of the left front guide block and the other end of the left rear guide block are fixed on the transverse plate end surface of the T-shaped left jaw (11), one end of the right front guide block (6) and one end of the right rear guide block (6') are respectively inserted into the through grooves, and the other end of the right front guide block and the other end of the right rear guide block.
3. A grinder test specimen holder as claimed in claim 1, characterised in that the material of the screw (3), the base (4), the guide blocks (6, 6 ', 7'), the bushings (8, 9) and the jaws (10, 11) is No. 45 steel with a hardness of HRC 38-42.
4. A grinder test specimen holder as claimed in claim 1 wherein the mating sliding surfaces of the grinder test specimen holder are clearance fit.
5. A grinder sample holder as claimed in claim 1, wherein the grinder sample holder is chrome plated.
6. A grinder coupon holder as claimed in claim 1 wherein said longitudinal opening is a longitudinal through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921525707.9U CN210704281U (en) | 2019-09-12 | 2019-09-12 | Grinding machine sample anchor clamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921525707.9U CN210704281U (en) | 2019-09-12 | 2019-09-12 | Grinding machine sample anchor clamps |
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| Publication Number | Publication Date |
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| CN210704281U true CN210704281U (en) | 2020-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921525707.9U Active CN210704281U (en) | 2019-09-12 | 2019-09-12 | Grinding machine sample anchor clamps |
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| CN (1) | CN210704281U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112355755A (en) * | 2020-10-28 | 2021-02-12 | 江苏永钢集团有限公司 | Impact sample end face grinding tool |
-
2019
- 2019-09-12 CN CN201921525707.9U patent/CN210704281U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112355755A (en) * | 2020-10-28 | 2021-02-12 | 江苏永钢集团有限公司 | Impact sample end face grinding tool |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 723213 Liulin Town, Chenggu County, Hanzhong City, Shaanxi Province Patentee after: Shaanxi Aircraft Industry Co.,Ltd. Address before: 723213 box 34, Hanzhong City, Shaanxi Province Patentee before: Shaanxi Aircraft INDUSTRY(GROUP) Co.,Ltd. |
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| CP03 | Change of name, title or address |