CN111360644A - Heat treatment hardness test part quantitative grinding device and grinding method - Google Patents
Heat treatment hardness test part quantitative grinding device and grinding method Download PDFInfo
- Publication number
- CN111360644A CN111360644A CN202010207287.0A CN202010207287A CN111360644A CN 111360644 A CN111360644 A CN 111360644A CN 202010207287 A CN202010207287 A CN 202010207287A CN 111360644 A CN111360644 A CN 111360644A
- Authority
- CN
- China
- Prior art keywords
- grinding
- limiting
- spring
- rod
- quantitative
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a quantitative grinding device for a heat treatment hardness test part. A movable frame is used for clamping a grinding machine and a limiting mechanism thereof. The grinder is fixed by 2 hoops, the grinder is kept horizontally placed, and the other end of each hoop is connected with the lifting rod. The lower part of the lifting rod is provided with a limiting frame, and the height of the limiting frame is adjusted through a spring and a group of limiting gaskets, so that the polishing amount of the grinding machine can be controlled. The top of the lifting rod is provided with a spring and a pressure rod, so that the grinding machine can be kept suspended, and after the grinding machine is started, the grinding machine can slowly contact with a part to be ground by pressing the pressure rod, and the grinding safety is ensured. The invention can effectively control the grinding depth of the part, meet the grinding requirement of heat treatment inspection of the part, reduce the working strength of operators and improve the consistency of grinding quality.
Description
Technical Field
The invention relates to a grinding machine quantitative grinding device, in particular to a heat treatment hardness test quantitative grinding device.
Background
After heat treatment of metal parts, hardness tests are usually required. For important parts such as forgings, 100% is generally required for hardness inspection. The inspection position needs to be polished during part inspection, surface heat treatment oxide skin is removed, and the inspection position is kept flat, so that the inspection precision is guaranteed. Part grinding generally has a grinding depth requirement, for example, as specified in QJ 500B-2014: the depth should not exceed 1/2 for the single-sided machining allowance. Generally, the single-side allowance of a steel forging is controlled to be about 3mm, the grinding depth does not exceed 1.5mm according to standard requirements during hardness test, and the grinding depth is generally controlled to be within 1mm during operation.
For grinding of parts subjected to heat treatment hardness inspection, a currently common mode is to grind the parts by using a handheld grinder, wherein the grinding depth is controlled according to experience. The mode is suitable for small-batch production, and for large-batch part polishing, the manual operation has high working strength and uncontrolled polishing depth.
At present, no explanation or report of the similar technology of the invention is found, and similar data at home and abroad are not collected.
Disclosure of Invention
The invention aims to solve the problems of high labor intensity and uncontrollable polishing depth of part polishing in heat treatment hardness test, and provides a quantitative polishing device for heat treatment hardness test parts. By using the invention, operators can perform part grinding by standing operation, the labor intensity is low, the grinding depth is ensured by the device, and the quality is controlled.
In order to achieve the purpose of the invention, the invention adopts the following technical scheme to realize:
the utility model provides a heat treatment hardness inspection part ration grinding device, the device includes: the grinding machine is clamped by using the movable frame and the limiting mechanism of the grinding machine, and the limiting mechanism comprises a limiting frame, a spring I and a limiting gasket. The grinder is fixed by 2 hoops, the grinder is kept horizontally placed, and the other end of each hoop is connected with the lifting rod. The lower part of the lifting rod is provided with a limiting frame, and the height of the limiting frame is adjusted through a spring and a group of limiting gaskets, so that the polishing amount of the grinding machine can be controlled. The spring II and the pressure lever are arranged at the top of the lifting rod, so that the grinding machine can be kept suspended, and after the grinding machine is started, the grinding machine slowly contacts with a part to be ground by pressing the pressure lever, and the grinding safety is ensured.
Furthermore, the limiting frame is formed by welding angle steel, the bottom of the limiting frame is kept flat, and the transverse rods arranged on the bottom face can limit the small parts. The bottom of the limiting frame is higher than the bottom of a grinding wheel of a grinding machine, the height difference between the limiting frame and the grinding wheel is the grinding depth, and the height difference is preferably 1-1.5 mm.
Furthermore, the limiting gaskets are a plurality of gaskets with the thicknesses of 1.0mm, 0.5mm and 0.2mm, and the height of the limiting frame can be adjusted by combining the limiting gaskets with different thicknesses and numbers;
furthermore, the lifting rod is kept at a high position through the spring II, so that the grinding machine is in a suspended state, the rigidity of the spring is controlled to be about 10N/mm, and the grinding machine is lowered through the force application of the pressure rod during working, so that the grinding work is completed.
The invention relates to a quantitative grinding device for heat treatment hardness test parts, which is characterized in that a grinding machine and a limiting mechanism thereof are installed by using a movable frame, the bottom of a limiting frame is directly contacted with the parts, the grinding height of the parts is controlled by using the limiting frame, a lifting rod is kept at a high position by using a spring II, so that the grinding machine is in a suspended state, and the grinding machine is lowered by applying force through a pressure rod during working so as to finish grinding work. When the part is polished, a workpiece to be polished is placed under the grinding machine, and the bolt at the top of the lifting rod is loosened to enable the grinding machine to be in contact with the workpiece. And (3) pressing the limiting frame downwards to enable the limiting frame to be in contact with the workpiece, inserting the limiting gasket into the limiting hole, taking out the limiting gasket with corresponding thickness (generally slightly smaller than the depth required by the process) according to the depth required by the process, and finishing the adjustment of the limiting frame. And applying force to the pressure lever, pressing 2-3 holes downwards, and fixing by using bolts. And starting the grinder to grind. The grinding wheel of the grinding machine can be abraded, and the grinding depth needs to be corrected by adjusting the limiting gasket after a certain amount of grinding is carried out.
The invention has the advantages that the grinding depth of the part is effectively controlled through the limiting frame, the grinding requirement of the heat treatment inspection of the part is met, meanwhile, by means of the device, an operator can operate in a standing mode, the working strength of the operator is reduced, and the grinding quality consistency is improved.
Drawings
FIG. 1 is a schematic structural diagram of a heat treatment hardness test part quantitative grinding device of the invention.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
the invention provides a quantitative grinding device for a heat treatment hardness test part, which is shown in figure 1. The movable frame 1 is welded by using angle steel, the frame uses a universal wheel with a locking device, and the movable frame clamps the straight grinder and the limiting mechanism thereof. The straight grinder is fixed by 2 clamps 3, the grinder is kept horizontally placed, and the other end of each clamp 3 is connected with a lifting rod 4. The lower part of the lifting rod 4 is provided with a limiting frame 2, and the height of the limiting frame 2 is adjusted through a spring I5 and a group of limiting gaskets 6, so that the grinding amount of the grinding machine can be controlled. The spring II 7 and the pressure lever 8 are arranged at the top of the lifting rod 4, so that the grinding machine can be kept suspended, and after the grinding machine is started, the grinding machine slowly contacts with a part to be ground by pressing the pressure lever 8, and the grinding safety is ensured. The movable joints of the device are connected by bolts, and the movable contact surfaces of the spring I5 and the spring II 7 are separated by gaskets.
The limiting frame 2 is formed by welding angle steel, the bottom of the limiting frame is kept flat, and the transverse rod arranged on the bottom surface of the limiting frame can limit small parts.
The limiting gaskets 6 are 5 gaskets with the thickness of 1.0mm, 0.5mm and 0.2mm respectively, and the height of the limiting frame 2 can be adjusted by combining the limiting gaskets 6 with different thicknesses and quantities;
the lifting rod 4 is kept at a high position through the spring II 7, so that the grinding machine is in a suspended state, the rigidity of the spring is controlled to be about 10N/mm, and the force is applied through the pressure rod 8 during work, so that the grinding machine descends, and the grinding work is completed.
Example two:
the invention provides a quantitative grinding method for a heat treatment hardness inspection part, which comprises the following specific steps:
when the part is polished, a workpiece to be polished is placed under the grinding machine, and the bolt at the top of the lifting rod 4 is loosened to enable the grinding machine to be in contact with the workpiece. And (2) pressing the limiting frame 2 downwards to enable the limiting frame 2 to be in contact with the workpiece, inserting the limiting gasket 6 into the limiting hole, taking out the limiting gasket 6 with corresponding thickness (generally slightly smaller than the depth required by the process) according to the depth required by the process, and finishing the adjustment of the limiting frame 2. The pressure rod 8 is forced to press 2-3 holes (preferably 5 screw holes are arranged at the top of the lifting rod) and is fixed by using bolts. And starting the grinder to grind. The grinding wheel of the grinder is worn, and after a certain amount of grinding is carried out, the grinding depth needs to be corrected by adjusting the limiting gasket 6 according to the steps.
It should be noted that the foregoing is only illustrative and illustrative of the present invention, and that any modifications and alterations to the present invention are within the scope of the present invention as those skilled in the art will recognize.
Claims (10)
1. A quantitative grinding device for heat treatment hardness test parts is characterized by comprising a movable frame, a limiting mechanism, a lifting rod, a clamp and a pressing rod, wherein the limiting mechanism is arranged in the movable frame; the limiting mechanism comprises a limiting frame, a spring I and a limiting gasket, the bottom of the lifting rod is connected with the limiting frame through the spring I and the limiting gasket, the limiting gasket is inserted into the lifting rod through a limiting hole, and the height of the limiting frame is adjusted through the spring I and the limiting gasket; the upper end of the hoop is connected with the lifting rod, and the lower end of the hoop is clamped with a grinder; the top of the lifting rod is provided with a spring II and a pressure rod.
2. The quantitative grinding device for heat-treated hardness-testing parts as claimed in claim 1, wherein the movable contact surfaces of spring I and spring II are separated by a washer.
3. The device for quantitatively grinding heat-treated hardness-testing parts as claimed in claim 2, wherein said lifter has a notch at its top, a screw hole is provided on the notch, a hole is provided at one end of the press rod and placed in the notch, a bolt is passed through the lifter screw hole and the press rod hole to fix one end of the press rod, and the other end of the press rod is fixed on the top of the movable frame.
4. The quantitative grinding device for heat-treated hardness-testing parts as claimed in claim 3, wherein said screw holes are provided with 5, and the up-and-down position of the pressing rod is adjusted by selecting different screw holes to fix the pressing rod.
5. The device for quantitatively grinding heat-treated hardness-inspected parts as claimed in claim 4, wherein the lifting lever is kept at a high position by the spring force of the spring II, so that the grinder is suspended, and the grinder is lowered by applying a force through the pressing lever during the grinding operation to finish the grinding operation.
6. The device for quantitatively grinding heat-treated hardness-check parts as claimed in claim 1, wherein the bottom height of said retainer is higher than the bottom height of the grinding wheel of the grinder, and the difference between the two heights is the grinding depth.
7. The quantitative grinding device for the heat-treated hardness test parts as claimed in claim 6, wherein said height difference is between 1 and 1.5 mm.
8. The quantitative grinding device for the heat treatment hardness inspection parts as claimed in claim 1, wherein the limiting gasket is a group of gaskets with different thicknesses, and the height of the limiting frame is adjusted by combining the limiting gaskets with different thicknesses and numbers.
9. The heat-treated hardness-verifying part quantitative grinding device of claim 8, wherein said pad thickness comprises 1.0mm, 0.5mm and 0.2 mm.
10. A quantitative grinding method for a heat treatment hardness inspection part is characterized in that a grinding device as claimed in any one of claims 1 to 9 is adopted, and the method comprises the following steps:
step 1, placing a part to be polished under a grinding machine, and loosening a bolt at the top of a lifting rod to enable the grinding machine to be in contact with a workpiece;
step 2, pressing down the limiting frame to enable the limiting frame to be in contact with the part, inserting the limiting gasket into the limiting hole, and then taking out the limiting gasket with the corresponding thickness according to the depth required by the process to complete adjustment of the limiting frame;
step 3, applying force to the compression bar to fix the compression bar;
step 4, starting a grinding machine to start grinding work;
and 5, repeating the steps 2-4 according to the abrasion degree of the grinding wheel of the grinding machine, and correcting the grinding depth by adjusting the limiting gasket to finish the quantitative grinding of the part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010207287.0A CN111360644B (en) | 2020-03-23 | 2020-03-23 | Heat treatment hardness test part quantitative grinding device and grinding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010207287.0A CN111360644B (en) | 2020-03-23 | 2020-03-23 | Heat treatment hardness test part quantitative grinding device and grinding method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111360644A true CN111360644A (en) | 2020-07-03 |
| CN111360644B CN111360644B (en) | 2022-01-18 |
Family
ID=71200730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010207287.0A Active CN111360644B (en) | 2020-03-23 | 2020-03-23 | Heat treatment hardness test part quantitative grinding device and grinding method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111360644B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4715545A (en) * | 1986-02-13 | 1987-12-29 | Sage Products, Inc. | Tissue grinding and transport system and method |
| CN2902569Y (en) * | 2006-03-23 | 2007-05-23 | 邱博洪 | Grinding device of drill |
| CN206614370U (en) * | 2017-03-02 | 2017-11-07 | 金华华科激光科技有限公司 | A kind of metallographic mill of hand push self-pressing type |
| CN207309635U (en) * | 2017-07-12 | 2018-05-04 | 楼冠 | A kind of sanding apparatus easy to adjusting height |
| CN108296994A (en) * | 2018-02-01 | 2018-07-20 | 南京信息工程大学 | A kind of high hard wear-resisting polishing head material and efficient grinding device |
| CN108907984A (en) * | 2018-07-13 | 2018-11-30 | 湖南文理学院 | A kind of efficient automobile part grinding device |
| CN109702592A (en) * | 2018-12-10 | 2019-05-03 | 苏州孚杰机械有限公司 | A kind of processing method that gate valve surveys hardness determination face |
| CN209157974U (en) * | 2018-12-25 | 2019-07-26 | 郑州市浩远磨料有限公司 | A kind of grinding tool that can precisely adjust grinding depth |
-
2020
- 2020-03-23 CN CN202010207287.0A patent/CN111360644B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4715545A (en) * | 1986-02-13 | 1987-12-29 | Sage Products, Inc. | Tissue grinding and transport system and method |
| CN2902569Y (en) * | 2006-03-23 | 2007-05-23 | 邱博洪 | Grinding device of drill |
| CN206614370U (en) * | 2017-03-02 | 2017-11-07 | 金华华科激光科技有限公司 | A kind of metallographic mill of hand push self-pressing type |
| CN207309635U (en) * | 2017-07-12 | 2018-05-04 | 楼冠 | A kind of sanding apparatus easy to adjusting height |
| CN108296994A (en) * | 2018-02-01 | 2018-07-20 | 南京信息工程大学 | A kind of high hard wear-resisting polishing head material and efficient grinding device |
| CN108907984A (en) * | 2018-07-13 | 2018-11-30 | 湖南文理学院 | A kind of efficient automobile part grinding device |
| CN109702592A (en) * | 2018-12-10 | 2019-05-03 | 苏州孚杰机械有限公司 | A kind of processing method that gate valve surveys hardness determination face |
| CN209157974U (en) * | 2018-12-25 | 2019-07-26 | 郑州市浩远磨料有限公司 | A kind of grinding tool that can precisely adjust grinding depth |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111360644B (en) | 2022-01-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208713468U (en) | A kind of electric motor end cap punching tapping tool | |
| CN209902105U (en) | Bending machine clamping device convenient to it is rotatory | |
| CN111215977A (en) | Automatic grinding machanism of inside wall of annular piece | |
| CN111360644B (en) | Heat treatment hardness test part quantitative grinding device and grinding method | |
| CN101209501A (en) | Crankshaft drill oil hole template pressing device | |
| CN213675645U (en) | Jig for reducing and avoiding stamping force and multi-station automatic press applying jig | |
| CN215919808U (en) | Engine support machining clamp capable of quickly clamping | |
| CN112122713A (en) | High-precision honing mechanism | |
| CN112317631A (en) | Workpiece clamping mechanism of punching machine | |
| CN200998787Y (en) | Crankshaft oil hole drilling template compressing apparatus | |
| CN212944757U (en) | Welding deformation tool for correcting cross beam | |
| CN219465788U (en) | Hardware part polishing device | |
| CN219403300U (en) | Machining clamp | |
| CN202151785U (en) | Eccentric locating and clamping device | |
| CN215588506U (en) | Quick loading and unloading device for pin shaft drilling of hinge device for engineering machinery | |
| CN110434372A (en) | A kind of thin plate drilling tool fixture and its clamping method | |
| CN221088633U (en) | Grinding machine grinding wheel correction jig | |
| CN211516694U (en) | Self-locking clamp for applying machining center | |
| CN211162597U (en) | High-precision automobile part welding fixture | |
| CN212552834U (en) | Special fixture for rocker arm machining | |
| CN216265020U (en) | Automatic change and grind spring terminal surface device | |
| CN219853218U (en) | Multi-station tool clamp for machining end hole of motor shaft | |
| CN203316523U (en) | Walking type straightening machine | |
| CN110814187B (en) | Trial-manufacturing is with robot border pressfitting centre gripping equipment | |
| CN219426498U (en) | Heating disc polishing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |