CN213889442U

CN213889442U - Metallographic grinding and polishing machine clamp

Info

Publication number: CN213889442U
Application number: CN202022805696.9U
Authority: CN
Inventors: 赵志浩; 张涛; 刘书玺; 赵思忠; 刘务科
Original assignee: Shandong Longkuang Metal Products Co ltd
Current assignee: Shandong Longkuang Metal Products Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-08-06
Anticipated expiration: 2030-11-26

Abstract

The utility model relates to a metallography is ground and is thrown machine anchor clamps belongs to the field of hardness testing equipment, and it is including rotating the first bracing piece of connecting in grinding and throwing machine body upper surface, and vertical sliding connection has a section of thick bamboo of placing on the first bracing piece, and the sample is coaxial to be placed in placing a section of thick bamboo, and the sample is treated to grind and is thrown the end and stretch out from placing a section of thick bamboo, places and is provided with the fixed subassembly that is used for fixed sample on the section of thick bamboo. This application has the effect that makes things convenient for the workman to grind the sample and throw, reduces workman intensity of labour.

Description

Metallographic grinding and polishing machine clamp

Technical Field

The application relates to the field of hardness detection equipment, in particular to a clamp for a metallographic grinding and polishing machine.

Background

In the preparation process of the metallographic specimen, the grinding and polishing of the specimen are two very important procedures. When the metallographic grinding and polishing machine is used, various procedures of coarse grinding, fine grinding, dry grinding, wet grinding, polishing and the like of various samples can be completed only by replacing the grinding disc or the polishing disc.

The utility model discloses a chinese utility model patent that grant publication number is CN206373748U discloses a machine is thrown to two dishes double speed grinds, and it is including grinding the machine body of throwing, it is hollow structure to grind the machine body of throwing, the symmetry is equipped with first mill and second mill on grinding the machine body of throwing, and one side of second mill is located to first mill, the inner wall bottom center department of grinding the machine body of throwing is equipped with the rotation motor, rotates the first mill of motor drive and second mill and rotates.

When the hardness of the stainless steel shot is detected, the stainless steel shot is made into a cylindrical sample by using a metallographic sample inlaying machine, then the sample is taken to a metallographic polishing machine to polish one end of the sample, a worker is required to hold the sample with fingers all the time and press the sample in the direction close to the first millstone or the second millstone in the polishing process, and the sample after polishing is taken to a microhardometer to detect the hardness.

In view of the above-mentioned related art, the inventor believes that during the sample polishing process, a worker needs to hold the sample and press the sample in a direction close to the first grinding disc or the second grinding disc, thereby greatly increasing the labor intensity of the worker.

SUMMERY OF THE UTILITY MODEL

For the convenience workman grinds the polishing to the sample, reduce workman intensity of labour, this application provides a metallography is anchor clamps for grinding and polishing machine.

The application provides a metallography is anchor clamps for burnishing and polishing machine adopts following technical scheme:

the utility model provides a metallography is anchor clamps for burnishing and polishing machine, is connected in the first bracing piece of burnishing and polishing machine body upper surface including rotating, vertical sliding connection has a section of thick bamboo of placing on the first bracing piece, the sample is coaxial to be placed in placing a section of thick bamboo, the sample is treated to grind and is thrown the end and stretch out from placing a section of thick bamboo, it is provided with the fixed subassembly that is used for fixed sample to place a section of thick bamboo.

By adopting the technical scheme, the sample is fixed in the placing cylinder through the fixing assembly, the first supporting rod is rotated to enable the end, to be polished, of the sample to face the first grinding disc, the placing cylinder is pressed to enable the end, to be polished, of the sample to abut against the first grinding disc, the placing cylinder is slid to enable the end, to be polished, of the sample to be away from the first grinding disc after polishing is completed, the placing cylinder is rotated by 180 degrees by rotating the first supporting rod, the sample is taken down from the placing cylinder, the operation is simple and convenient, and the labor intensity of workers is reduced.

Optionally, the upper surface of the grinding and polishing machine body is rotatably connected with a first supporting block, the rotating axis of the first supporting block is vertically arranged, the upper surface of the grinding and polishing machine body is detachably connected with a second supporting block, the first supporting block and the second supporting block are arranged on the same horizontal plane, the connecting line of the first supporting block and the second supporting block is parallel to the diameter of the first grinding disc, and the first supporting rod is rotatably connected to the first supporting block and the second supporting block in a sliding manner.

Through adopting above-mentioned technical scheme, when needing to be changed first mill, unpack second bracing piece and mill polisher body apart to first bracing piece axis of rotation rotates first bracing piece and second supporting shoe, makes first bracing piece follow first mill top and removes, conveniently dismantles the first mill of installation.

Optionally, the vertical fixedly connected with dwang of machine body upper surface is thrown to the mill, it is connected with first bracer to rotate on the dwang, the dwang upper end passes the first spacing ring of the coaxial fixedly connected with of first bracer.

Through adopting above-mentioned technical scheme, the dwang axis is first supporting block axis of rotation, and dwang and first spacing ring increase the stability of first supporting block rotation in-process.

Optionally, first bracing piece is towards first bracing piece one end fixedly connected with second bracing piece, the second bracing piece is square pole and both ends are the square, second bracing piece end surface area is less than first bracing piece end surface area, the horizontal flat-open is equipped with cylindrical first spout in the first bracing piece, the second bracing piece rotates to slide and connects in first spout.

Through adopting above-mentioned technical scheme, first spout rotates second bracing piece and first bracing piece and plays the supporting role to it is more stable to make first bracing piece rotate.

Optionally, a square second chute is formed in one end, away from the first supporting rod, of the first chute, the contact surface of the second chute and the first chute is an inscribed connection direction of the first chute, and the second supporting rod is connected in the second chute in a sliding mode.

Through adopting above-mentioned technical scheme, slide the second bracing piece in the second spout to fix first bracing piece in current position, conveniently install the sample and dismantle.

Optionally, a cylindrical third sliding groove is formed in the second supporting block along the length direction of the first supporting rod, one end, far away from the first supporting rod, of the third sliding groove is not opened, and one end, close to the second supporting block, of the first supporting rod is connected into the third sliding groove in a rotating and sliding mode.

Through adopting above-mentioned technical scheme, the third spout plays the supporting role to first bracing piece, and the third spout is kept away from first bracing piece one end and is opened and effectively prevent first bracing piece slippage from the second bracing piece, increase stability.

Optionally, a cylindrical fourth chute is formed in one end, not opened, of the third chute, the first supporting rod is close to a third supporting rod fixedly connected to one end of the second supporting block, the third supporting rod is a cylindrical rod, the axis of the third supporting rod is collinear with the central line of the first supporting rod, the third supporting rod is connected to the fourth chute in a rotating and sliding manner, and one end, far away from the first supporting rod, of the third supporting rod penetrates through the fourth chute.

Through adopting above-mentioned technical scheme, the fourth spout is passed to first bracing piece one end is kept away from to the third bracing piece, conveniently rotates first bracing piece through the third bracing piece, makes the operation simpler.

Optionally, the fixing assembly comprises two third supporting blocks fixedly connected to the side wall of the placing cylinder, the two third supporting blocks are circumferentially arranged by taking the axis of the placing cylinder as a circle center, the third supporting block is located on one side, away from the pressing plate, of the first supporting rod, and a fastening bolt is connected to the third supporting block through threads.

Through adopting above-mentioned technical scheme, with the sample coaxial place in placing a section of thick bamboo, twist and move fastening bolt and support the sample tightly to fix the sample in placing a section of thick bamboo, easy operation is convenient.

Optionally, a circular pressing plate is fixedly connected to one end of the placing cylinder in a coaxial mode, the non-grinding and polishing end of the sample abuts against one end, facing the placing cylinder, of the pressing plate, and the pressing plate and the fixing assembly are located on two sides, opposite to each other, of the first supporting rod.

Through adopting above-mentioned technical scheme, press the pressing plate increase and place a section of thick bamboo and press the travelling comfort.

Optionally, a cylindrical guide groove is vertically formed in the first support rod, the axis of the guide groove is perpendicular to the length direction of the first support rod, the placing barrel is connected in the guide groove in a sliding manner, a second limiting ring is fixedly connected to the inner wall of the guide groove in a coaxial manner and far away from one end of the pressing plate, the inner wall of the second limiting ring abuts against the outer wall of the placing barrel, a reset spring is sleeved on the placing barrel in a coaxial manner, one end of the reset spring abuts against the second limiting ring, and the other end of the reset spring abuts against the pressing plate.

Through adopting above-mentioned technical scheme, thereby press the pressing plate to sliding to the direction that is close to first mill and make the sample butt throw in first mill, reset spring is compressed, loosens after the mill is thrown and can automatic re-setting according to the pressing plate.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the sample is fixed in the placing cylinder through the fixing assembly, the first supporting rod is rotated to enable the end, to be polished, of the sample to face the first grinding disc, the placing cylinder is pressed to enable the end, to be polished, of the sample to abut against the first grinding disc, the placing cylinder is slid to enable the end, to be polished, of the sample to be away from the first grinding disc after polishing is completed, the first supporting rod is rotated to enable the placing cylinder to rotate 180 degrees, the sample is taken down from the placing cylinder, operation is simple and convenient, and labor intensity of workers is reduced;

2. the pressing plate and the fixing assembly are positioned on two opposite sides of the first supporting rod, so that the placing barrel is limited, and the placing barrel and the reset spring are effectively prevented from slipping off from the first supporting rod;

3. the pressing plate slides towards the direction close to the first grinding disc, so that the sample is abutted to the first grinding disc, the return spring is compressed, and the pressing plate is loosened after the grinding disc is polished, so that the sample can automatically return.

Drawings

FIG. 1 is a schematic view of the connection relationship between the overall structure and the polishing machine body according to the embodiment of the present application;

FIG. 2 is a schematic diagram of the overall structure of an embodiment of the present application;

fig. 3 is a schematic partial structural section view of an embodiment of the present application, which is mainly used for showing a clamping mechanism.

Description of reference numerals: 11. grinding and polishing machine body; 12. a first abrasive disc; 2. a support mechanism; 21. a first support bar; 211. a guide groove; 22. a second support bar; 23. a third support bar; 24. rotating the handle; 3. a clamping mechanism; 31. placing the cylinder; 32. a reset assembly; 321. a pressing plate; 322. a second stop collar; 323. a return spring; 33. a fixing assembly; 331. a third support block; 332. fastening a bolt; 41. rotating the rod; 42. a first limit ring; 43. a first support block; 431. a first chute; 432. a second chute; 44. a second support block; 441. a third chute; 442. and a fourth chute.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses metallography is anchor clamps for burnishing and polishing machine. Referring to fig. 1, the clamp for the metallographic grinding and polishing machine comprises a supporting mechanism 2 arranged on the upper surface of a grinding and polishing machine body 11, a clamping mechanism 3 is connected onto the supporting mechanism 2 in a sliding mode, a sample is fixedly connected into the clamping mechanism 3, the axis of the sample is vertically arranged, and the surface to be ground and polished of the sample faces a first grinding disc 12.

The sample is fixedly connected into the clamping mechanism 3, the clamping mechanism 3 is pressed to enable the surface to be polished of the sample to abut against the upper surface of the first grinding disc 12, the clamping mechanism 3 slides towards the direction away from the first grinding disc 12 after polishing is completed, the sample does not abut against the first grinding disc 12 any more, the sample after polishing is detached from the clamping mechanism 3, polishing of the sample can be completed, the clamping mechanism 3 replaces workers to clamp the sample in the polishing process, polishing of the sample is facilitated, and labor intensity of the workers is effectively reduced.

Referring to fig. 2, a rotating rod 41 is fixedly connected to the upper surface of the polishing machine body 11 vertically, a first supporting block 43 is connected to the rotating rod 41 in a rotating manner, the upper end of the rotating rod 41 penetrates through the first supporting block 43 and is fixedly connected with a first limiting ring 42 coaxially, and the first limiting ring 42 abuts against the upper end surface of the first supporting block 43. The upper surface of the grinding and polishing machine body 11 is connected with a second supporting block 44 through a bolt, the first supporting block 43 and the second supporting block 44 are on the same horizontal plane, and the connecting line of the two is parallel to the diameter of the first grinding disc 12.

Referring to fig. 3, the supporting mechanism 2 includes a first supporting rod 21 rotatably and slidably connected to a first supporting block 43 and a second supporting block 44, the first supporting rod 21 is a square rod, two ends of the first supporting rod 21 are square, and the length direction of the first supporting rod 21 is radially parallel to the first grinding disc 12.

Referring to fig. 3, the first supporting rod 21 is located between the first supporting block 43 and the second supporting block 44, one end of the first supporting rod 21 facing the first supporting block 43 is fixedly connected with the second supporting rod 22, the second supporting rod 22 is a square rod with two square ends, and the area of the end surface of the second supporting rod 22 is smaller than that of the end surface of the first supporting rod 21. A cylindrical first sliding groove 431 is horizontally arranged in the first supporting block 43, and the second supporting rod 22 is rotatably connected in the first sliding groove 431 in a sliding manner. One end of the first sliding groove 431, which is far away from the first supporting rod 21, is provided with a square second sliding groove 432, the contact surface between the second sliding groove 432 and the first sliding groove 431 is an inscribed direction of the first sliding groove 431, and the second supporting rod 22 is slidably connected in the second sliding groove 432.

Referring to fig. 3, a cylindrical third sliding groove 441 is formed in the second supporting block 44 along the length direction of the first supporting rod 21, the end of the third sliding groove 441 away from the first supporting rod 21 is not opened, and the end of the first supporting rod 21 close to the second supporting block 44 is rotatably and slidably connected in the third sliding groove 441.

Referring to fig. 3, a cylindrical fourth sliding slot 442 is formed at an open end of the third sliding slot 441, a third supporting rod 23 is fixedly connected to one end of the first supporting rod 21 close to the second supporting block 44, the third supporting rod 23 is a cylindrical rod, an axis of the third supporting rod 23 is collinear with a central line of the first supporting rod 21, and the third supporting rod 23 is rotatably connected in the fourth sliding slot 442 in a sliding manner. One end of the third support bar 23, which is far away from the first support bar 21, is fixedly connected with a rotating handle 24 through the fourth sliding slot 442.

When a sample is installed, the first support rod 21 slides, the second support rod 22 slides into the first sliding groove 431 from the second sliding groove 432, the handle is rotated to enable the first support rod 21 to rotate 180 degrees, the sample is installed, and the surface to be polished of the sample faces upwards; after the installation is finished, the handle is rotated to enable the first supporting rod 21 to rotate 180 degrees, the first supporting rod 21 is slid, and the second supporting rod 22 slides into the second sliding groove 432 from the first sliding groove 431, so that the installation is finished.

Referring to fig. 3, the clamping mechanism 3 includes a cylindrical placing cylinder 31 slidably connected to the first supporting rod 21, a cylindrical guide slot 211 is formed in the first supporting rod 21, an axis of the guide slot 211 is perpendicular to a length direction of the first supporting rod 21, and the placing cylinder 31 is slidably connected in the guide slot 211. The first supporting rod 21 is provided with a resetting component 32 for driving the placing cylinder 31 to slide and reset, and the placing cylinder 31 is provided with a fixing component 33 for fixing a sample.

Referring to fig. 3, the resetting assembly 32 includes a circular pressing plate 321 coaxially and fixedly connected to one end of the placing cylinder 31, one side of the pressing plate 321 away from the placing cylinder 31 is a pressing surface, and the area of the pressing surface is greater than that of the end surface of one end of the guide groove 211. The inner wall of the guide groove 211 is away from one end of the pressing plate 321, the second limiting ring 322 is fixedly connected with the inner wall of the second limiting ring 322 in a coaxial mode, the outer wall of the placing barrel 31 is abutted to the inner wall of the placing barrel 31, the resetting spring 323 is coaxially sleeved on the placing barrel 31 in a coaxial mode, one end of the resetting spring 323 is abutted to the second limiting ring 322, and the other end of the resetting spring 323 is abutted to the pressing plate 321.

Referring to fig. 3, the fixing assembly 33 includes two third supporting blocks 331 fixedly connected to the sidewall of the placing cylinder 31, the two third supporting blocks 331 are circumferentially disposed around an axis of the placing cylinder 31, the third supporting block 331 is located on a side of the first supporting rod 21 away from the pressing plate 321, a fastening bolt 332 is threadedly connected to the third supporting block 331, and an axis of the fastening bolt 332 is parallel to a length direction of the first supporting rod 21.

The sample is coaxially placed in the placing cylinder 31, the fastening bolt 332 is screwed to clamp the sample, the surface to be polished of the sample faces the first grinding disc 12, and the surface to be polished abuts against the first grinding disc 12 when the pressing plate 321 is pressed. After releasing the pressing plate 321, the return spring 323 pushes the pressing plate 321 to slide, thereby moving the placing cylinder 31 and the sample away from the first grinding disc 12.

The implementation principle of the clamp for the metallographic grinding and polishing machine in the embodiment of the application is as follows: when the sample needs to be polished, the first support rod 21 is slid, the second support rod 22 is slid into the first sliding groove 431 from the second sliding groove 432, and the handle is rotated to rotate the first support rod 21 by 180 degrees. The sample is coaxially placed in the placing cylinder 31, the surface to be polished of the sample faces upwards, and the fastening bolt 332 is screwed to tightly support the sample. After the installation is finished, the handle is rotated to enable the first supporting rod 21 to rotate 180 degrees, the first supporting rod 21 is slid, and the second supporting rod 22 slides into the second sliding groove 432 from the first sliding groove 431, so that the installation is finished.

The pressing plate 321 is pressed to slide toward the first grinding table 12, and at this time, the return spring 323 is compressed, and the placing cylinder 31 drives the test to abut against the first grinding table 12. After polishing, the pressing plate 321 is loosened, the return spring 323 pushes the pressing plate 321 to slide towards the direction away from the first grinding disc 12, and the pressing plate 321 drives the placing cylinder 31 and the sample to slide towards the direction away from the first grinding disc 12, so that polishing is completed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a metallography is anchor clamps for burnishing and polishing machine which characterized in that: connect in first bracing piece (21) of grinding and polishing machine body (11) upper surface including rotating, vertical sliding connection has on first bracing piece (21) places a section of thick bamboo (31), and the sample is coaxial to be placed in placing a section of thick bamboo (31), and the sample is waited to grind and is thrown the end and stretch out from placing a section of thick bamboo (31), it is provided with fixed subassembly (33) that are used for fixed sample to place on a section of thick bamboo (31).

2. The clamp for the metallographic grinder-polisher according to claim 1, further comprising: the upper surface of the grinding and polishing machine body (11) is rotatably connected with a first supporting block (43), the rotating axis of the first supporting block (43) is vertically arranged, the upper surface of the grinding and polishing machine body (11) is detachably connected with a second supporting block (44), the first supporting block (43) and the second supporting block (44) are arranged on the same horizontal plane, the two connecting lines are parallel to the diameter of a first grinding disc (12), and a first supporting rod (21) is rotatably connected to the first supporting block (43) and the second supporting block (44) in a sliding manner.

3. The clamp for the metallographic grinder-polisher according to claim 2, wherein: polish quick-witted body (11) upper surface vertical fixedly connected with dwang (41), it is connected with first supporting shoe (43) to rotate on dwang (41), the first spacing ring (42) of the coaxial fixedly connected with of first supporting shoe (43) is passed on dwang (41).

4. The clamp for the metallographic grinder-polisher according to claim 3, further comprising: first bracing piece (21) are towards first bracing piece (43) one end fixedly connected with second bracing piece (22), second bracing piece (22) are the square for square pole and both ends, second bracing piece (22) end surface area is less than first bracing piece (21) end surface area, the horizontal flat-open is equipped with cylindrical first spout (431) in first bracing piece (43), second bracing piece (22) rotate to slide and connect in first spout (431).

5. The clamp for the metallographic grinder-polisher according to claim 4, wherein: the first sliding groove (431) is far away from one end of the first supporting rod (21) and is provided with a square second sliding groove (432), the contact surface of the second sliding groove (432) and the first sliding groove (431) is the inner contact side of the first sliding groove (431), and the second supporting rod (22) is connected in the second sliding groove (432) in a sliding mode.

6. The clamp for the metallographic grinder-polisher according to claim 5, wherein: a cylindrical third sliding groove (441) is formed in the second supporting block (44) along the length direction of the first supporting rod (21), one end, far away from the first supporting rod (21), of the third sliding groove (441) is not opened, and one end, close to the second supporting block (44), of the first supporting rod (21) is connected into the third sliding groove (441) in a rotating and sliding mode.

7. The clamp for the metallographic grinder-polisher according to claim 6, further comprising: cylindrical fourth spout (442) have been seted up to third spout (441) the one end of not opening, first bracing piece (21) are close to second supporting shoe (44) one end fixedly connected with third bracing piece (23), third bracing piece (23) are cylindrical pole and third bracing piece (23) axis and first bracing piece (21) central line collineation setting, third bracing piece (23) rotate to slide and connect in fourth spout (442), fourth spout (442) is passed to first bracing piece (21) one end is kept away from in third bracing piece (23).

8. The clamp for the metallographic grinder-polisher according to claim 7, further comprising: the fixing component (33) comprises two third supporting blocks (331) fixedly connected to the side wall of the placing cylinder (31), the two third supporting blocks (331) are circumferentially arranged by taking the axis of the placing cylinder (31) as the circle center, the third supporting blocks (331) are located on one side, deviating from the pressing plate (321), of the first supporting rod (21), and fastening bolts (332) are connected to the third supporting blocks (331) through threads.

9. The clamp for the metallographic grinder-polisher according to claim 8, further comprising: the coaxial fixedly connected with circular pressing plate (321) of section of thick bamboo (31) one end is placed, and the non-end butt of throwing of sample is in pressing plate (321) towards placing section of thick bamboo (31) one end press plate (321) and fixed subassembly (33) are located first bracing piece (21) both sides of carrying on the back mutually.

10. The clamp for the metallographic grinder-polisher according to claim 9, further comprising: cylindrical guide way (211) have vertically been seted up on first bracing piece (21), guide way (211) axis is perpendicular with first bracing piece (21) length direction, place a section of thick bamboo (31) sliding connection in guide way (211), the coaxial fixedly connected with second spacing ring (322) of pressing plate (321) one end are kept away from to guide way (211) inner wall, second spacing ring (322) inner wall butt is in placing a section of thick bamboo (31) outer wall, it is equipped with reset spring (323) to place coaxial cover on a section of thick bamboo (31), reset spring (323) one end butt in second spacing ring (322), reset spring (323) other end butt in pressing plate (321).