CN210818954U - Automatic grinding and polishing machine for spectrum standard sample - Google Patents
Automatic grinding and polishing machine for spectrum standard sample Download PDFInfo
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- CN210818954U CN210818954U CN201921252950.8U CN201921252950U CN210818954U CN 210818954 U CN210818954 U CN 210818954U CN 201921252950 U CN201921252950 U CN 201921252950U CN 210818954 U CN210818954 U CN 210818954U
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Abstract
The utility model relates to an automatic machine of throwing that grinds of spectrum trade sample belongs to test system appearance equipment technical field. The machine comprises a grinding and polishing machine core supported at the lower part of a machine frame and a reciprocating sample clamping table positioned on the grinding and polishing machine core; the grinding and polishing machine core comprises a liftable main board arranged on the frame through a screw rod nut mechanism, a power roller horizontally supported at the center of the bottom of the main board, two tensioning rollers respectively supported at two sides of the middle part of the main board, two adjacent grinding surface rollers respectively supported at the top of the main board, and a closed abrasive belt surrounding each roller; the reciprocating sample holding table is provided with a supporting table surface which forms a reciprocating pair vertical to the surrounding direction of the abrasive belt through a guide mechanism at two sides and a frame, and the supporting table surface is provided with a left clamping jaw and a right clamping jaw which are respectively positioned above two sides of the grinding roller. The utility model has compact structure, stability and reliability; the precise regulation and control of the grinding and polishing process are convenient to realize; the influence of temperature rise on the grinding and polishing quality can be effectively controlled, and the grinding and polishing amount can be reasonably controlled.
Description
Technical Field
The utility model relates to an automatic change and grind the machine of throwing, especially relate to an automatic machine of throwing that grinds of high accuracy spectrum standard sample belongs to photoelectric direct reading spectrum appearance metal analysis field.
Background
The standard steel is the standard of spectral analysis, and the quantification of various data is determined by taking the analysis data of the standard steel as the standard, so the grinding quality of the standard steel is directly related to the accuracy of the spectral analysis result. The standard steel used as the standard sample is very expensive compared with the common sample, so the recycling service life of the standard steel is very important.
To the applicant's knowledge, existing sample grinders all use rotating grinding tools such as a grinding wheel disk, an abrasive cloth disk, a two-roll abrasive cloth belt, and the like, and the sample is gripped by a manual or automatic feeding device and then fed for grinding. The equipment can meet the grinding with large grinding amount and no thickness requirement at one time, is mainly used for removing and grinding oxide skin of a rough sample, but has the defects of obvious uneven abrasion of the sample and a grinding tool in the grinding process, difficult control and poor overall precision, so the equipment is not suitable for grinding standard samples with strict precision requirements such as standard steel.
Disclosure of Invention
The utility model aims to provide a: aiming at the defects existing in the prior art, the automatic grinding and polishing machine for the spectrum standard sample is compact in structure, stable in operation, sealed and environment-friendly.
In order to achieve the purposes, the automatic grinding and polishing machine for the spectrum standard sample comprises a grinding and polishing machine core supported at the lower part of a frame and a reciprocating sample clamping table positioned on the grinding and polishing machine core;
the grinding and polishing machine core comprises a liftable main board arranged on the frame through a screw rod nut mechanism, a power roller horizontally supported at the center of the bottom of the main board, two tensioning rollers respectively supported at two sides of the middle part of the main board, two adjacent grinding surface rollers respectively supported at the top of the main board, and a closed abrasive belt surrounding each roller;
the reciprocating type sample clamping table is provided with a supporting table surface which forms a reciprocating pair vertical to the surrounding direction of the abrasive belt through a guide mechanism at two sides and a frame, and the supporting table surface is provided with a left clamping jaw and a right clamping jaw which are respectively positioned above two sides of the grinding roller.
When the grinding and polishing device works, a standard sample to be ground and polished is clamped above an abrasive belt between two grinding surface rollers by virtue of the left clamping jaw and the right clamping jaw, the main plate is driven by the screw rod nut mechanism to accurately lift so as to realize fine adjustment of grinding and polishing amount, and after the abrasive belt moves back, the standard sample to be ground and polished makes reciprocating motion vertical to the surrounding direction of the abrasive belt, so that the required grinding and polishing can be completely performed, and the grinding and polishing device is used for spectral analysis and detection and the like.
Compared with the prior art, the utility model has the advantages of as follows:
1) the movement structure is integrated, the structure is compact, stable and reliable;
2) the abrasive belt tensioned by the four rollers runs stably, so that the accurate regulation and control of the grinding and polishing process are realized conveniently;
3) the sample is always uniformly in scanning contact with the full width of the abrasive belt in the whole grinding and polishing process by the reciprocating sample clamping table, so that the influence of temperature rise grinding and polishing quality can be effectively controlled;
4) the machine core can realize dynamic lifting by means of the driving of a servo motor, and the grinding and polishing amount is reasonably controlled.
The utility model discloses further perfect is: the rear portion of the main board is fixedly connected with a nut block, the nut block and a transmission screw rod driven by a servo motor supported on a rear board form a screw rod nut mechanism, and the rear board is fixed inside the rack.
The utility model discloses further perfect is: vertical guide rods are respectively arranged on two sides of the rear plate, and the two vertical guide rods are respectively sleeved and fixedly connected with the guide sleeve blocks of the main plate to form a vertical moving pair.
The utility model discloses further perfection is again: the grinding roller is supported on a support frame fixed at the upper end of the main plate, and an auxiliary support plate positioned below the abrasive belt between the two tightening rollers is arranged on the support frame.
The utility model discloses further perfection is again: the support table surface of the reciprocating sample clamping table forms a reciprocating pair vertical to the surrounding direction of the abrasive belt with a horizontal guide rod supported on the fixed table surface through a sliding sleeve fixedly connected with the support table surface.
The utility model discloses still further perfect is: the rear side of the supporting table surface is connected with a piston rod of the reciprocating cylinder.
Drawings
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
Fig. 2 is a schematic perspective view of the main components of the embodiment of fig. 1.
Fig. 3 is a schematic perspective exploded view of fig. 2.
Fig. 4 is a perspective view of fig. 2 from another perspective.
Detailed Description
Example one
The basic construction of this embodiment is as shown in fig. 1 to 4, and comprises a polishing cartridge 2 supported at the lower part of a frame 1 and a reciprocating sample-holding table 3 on the polishing cartridge 2.
The grinding and polishing machine core 2 comprises a liftable main board 2-1, a power roller 2-2 horizontally supported at the bottom of the main board 2-1 and driven by a driving motor 2-15, two tensioning rollers 2-3 respectively supported at two sides of the middle of the main board 2-1, two adjacent grinding surface rollers 2-5 respectively supported at the top of the main board 2-1, and a closed abrasive belt 2-7 surrounding the rollers. The diameter of the flour-milling roller 2-5 is significantly smaller than that of the driving roller 2-2 and the tension roller 2-3. Specifically, the center of the rear part of the main board 2-1 is fixedly connected with a nut block 2-8, the nut block 2-8 and a screw rod 2-9 supported on a rear board 2-10 form a screw rod nut mechanism, the screw rod 2-9 is in transmission connection with a servo motor 2-13, the rear board 2-10 is fixed inside a frame 1, two sides of the rear board are respectively provided with a vertical guide rod 2-11, and two vertical guide rods 2-11 are respectively sleeved and fixedly connected with guide sleeve blocks 2-12 at two sides of the rear part of the main board 2-1 to form a vertical moving pair.
The axes of rotation of the two tightening rollers 2-3 are arranged on a horizontal positioning device, so that the sanding belts 2-7 can be tensioned as required by adjustment. Two adjacent grinding rolls 2-5 are supported on a support frame 2-4 fixed at the upper end of the main plate through rib plates 2-14, and an auxiliary support plate 2-6 positioned below an abrasive belt 2-7 between two tightening rolls 2-3 is arranged on the support frame 2-4.
A support table surface 3-1 of the reciprocating type sample clamping table 3 forms a reciprocating pair vertical to the surrounding direction of the abrasive belt with a horizontal guide rod 3-4 supported on a fixed table surface 3-3 through a sliding sleeve 3-2 fixedly connected with the support table surface at two sides respectively, a left pneumatic clamping jaw 3-6 and a right pneumatic clamping jaw 3-6 which are positioned above two sides of a grinding roller 2-5 are arranged on the support table surface 3-1 respectively, and the rear side of the support table surface 3-1 is connected with a piston rod of a reciprocating cylinder 3-5, so that a clamped sample can be driven to reciprocate.
The embodiment also comprises a sensing detection control system for detecting the reciprocating stroke of the sample stage and the lifting position of the machine core, and the sensing detection control system and the servo control form closed-loop control, so that the high-precision grinding and polishing of the spectrum standard steel are automatically realized.
Tests show that the defects of overlarge grinding amount, uneven grinding amount, inclined grinding and polishing surface and multiple surfaces of various manual and automatic grinding wheels, grinding wheel discs, abrasive belts and gauze disc sample grinding machines in the prior art are overcome, and the machine core structure is integrated, the abrasive belts under a four-roller tensioning system run stably, the precision required by accurate control of the grinding and polishing process is ensured, the sample is ensured to be always in uniform scanning contact with the full width of the abrasive belts in the whole grinding and polishing process by the aid of the pneumatic reciprocating sample clamping table, and the influence of effectively controlled temperature rise on the surface of standard steel is avoided; the dynamic compensation control of the grinding and polishing amount by the dynamic lifting of the servo-controlled machine core enables the service life of the standard steel grinding and polishing to be maximized on the premise of obtaining the surface meeting the spectral analysis requirement. The method has the outstanding advantages of accurate polishing control, high surface quality and small temperature rise, can save expensive spectrum standard steel, and provides guarantee for obtaining effective and reliable analysis results.
In addition to the above embodiments, the present invention may have other embodiments. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention.
Claims (6)
1. An automatic grinding and polishing machine for a spectrum standard sample is characterized by comprising a grinding and polishing machine core supported at the lower part of a machine frame and a reciprocating sample clamping table positioned on the grinding and polishing machine core;
the grinding and polishing machine core comprises a liftable main board arranged on the frame through a screw rod nut mechanism, a power roller horizontally supported at the center of the bottom of the main board, two tensioning rollers respectively supported at two sides of the middle part of the main board, two adjacent grinding surface rollers respectively supported at the top of the main board, and a closed abrasive belt surrounding each roller;
the reciprocating type sample clamping table is provided with a supporting table surface which forms a reciprocating pair vertical to the surrounding direction of the abrasive belt through a guide mechanism at two sides and a frame, and the supporting table surface is provided with a left clamping jaw and a right clamping jaw which are respectively positioned above two sides of the grinding roller.
2. The automated polishing machine for spectral standards according to claim 1, wherein: the rear portion of the main board is fixedly connected with a nut block, the nut block and a transmission screw rod driven by a servo motor supported on a rear board form a screw rod nut mechanism, and the rear board is fixed inside the rack.
3. The automated polishing machine for spectral standards according to claim 2, wherein: vertical guide rods are respectively arranged on two sides of the rear plate, and the two vertical guide rods are respectively sleeved and fixedly connected with the guide sleeve blocks of the main plate to form a vertical moving pair.
4. The automated polishing machine for spectral standards according to claim 3, wherein: the grinding roller is supported on a support frame fixed at the upper end of the main plate, and an auxiliary support plate positioned below the abrasive belt between the two tightening rollers is arranged on the support frame.
5. The automated polishing machine for spectral standards according to claim 4, wherein: the support table surface of the reciprocating sample clamping table forms a reciprocating pair vertical to the surrounding direction of the abrasive belt with a horizontal guide rod supported on the fixed table surface through a sliding sleeve fixedly connected with the support table surface.
6. The automated polishing machine for spectral standards according to claim 5, wherein: the rear side of the supporting table surface is connected with a piston rod of the reciprocating cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921252950.8U CN210818954U (en) | 2019-08-05 | 2019-08-05 | Automatic grinding and polishing machine for spectrum standard sample |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921252950.8U CN210818954U (en) | 2019-08-05 | 2019-08-05 | Automatic grinding and polishing machine for spectrum standard sample |
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| CN210818954U true CN210818954U (en) | 2020-06-23 |
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| CN201921252950.8U Active CN210818954U (en) | 2019-08-05 | 2019-08-05 | Automatic grinding and polishing machine for spectrum standard sample |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112757121A (en) * | 2020-12-30 | 2021-05-07 | 佛山市诚德新材料有限公司 | Steel band edging device |
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2019
- 2019-08-05 CN CN201921252950.8U patent/CN210818954U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112757121A (en) * | 2020-12-30 | 2021-05-07 | 佛山市诚德新材料有限公司 | Steel band edging device |
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