Grinding and polishing machine for processing decorative diamonds

Abstract

The utility model discloses a grinding and polishing machine for processing decorative diamonds, and belongs to the technical field of processing of the decorative diamonds. Comprising a rack, a clamp translation device and a grinding and polishing device, and the grinding and polishing device comprises a base, a grinding and polishing cylinder seat, a grinding and polishing wheel, a cylinder cover, a driving motor and a feeding device; the cylinder cover is provided with a notch for the clamp to pass through in the front-back direction on one side of the feeding device; a cooling water tank is arranged at the top of the barrel cover in the front-back direction, and water receiving tanks are arranged on the front and back sides of the barrel cover and located below the corresponding ends of the notches; a plurality of drainage holes are evenly formed in the bottom of the cooling water tank, the cooling water tank is connected with a cooling water supply structure through a pipeline, the water receiving tank is arranged in the front-back direction and communicates with the inner side of the barrel cover, and a spray head is arranged at the water receiving tank of the grinding and polishing device on the most upstream; the spray head is arranged right opposite to the clamp needle of the clamp, is arranged in the left-right direction, is positioned on one side, far away from the feeding device, of the clamp needle, and is connected with the cooling water supply structure through a pipeline. And the grinding and polishing wheel is cooled through a plurality of drainage holes in the bottom of the cooling water tank, so that the cooling effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of processing of decorative drill, especially relates to a grinding and polishing machine for processing of decorative drill. BACKGROUND

[0002] The decorative drill is difficult to clamp and polish due to its small size (generally about 2m in diameter). In the existing decorative drill polishing operation, the decorative drill is fixed on the clamp pin of the clamp through hot melt adhesive bonding, and then polished on the grinding and polishing machine.

[0003] Patent No. CN202410282940.8 discloses a high-speed water drill grinding and polishing production line, which is provided with a first clamp indexing conveying assembly at one end of the production line and a second clamp indexing conveying assembly at the other end. A first grinding station, a first polishing station, a first heating station, a first blanking station, a first adhesive station and a first feeding station are arranged on one side between the first and second clamp indexing conveying assemblies. A second feeding station, a second adhesive station, a second blanking station, a second heating station, a second polishing station and a second grinding station are arranged on the other side between the first and second clamp indexing conveying assemblies. A clamp circulation mechanism is provided corresponding to each station. When the first and second clamp indexing conveying assemblies drive the water drill clamp to convey, the clamp circulation mechanism immediately drives the water drill clamp to the next station.

[0004] The grinding and polishing machine of the polishing station can refer to the description of patent No. CN202020322877.3, such as Figure 1As shown, this patent discloses a horizontal drive mechanism for the polishing cylinder seat of a fully automatic water drill double-point polishing machine, including a base and at least two polishing machine units arranged side by side on the base. Each polishing machine unit has a base, a polishing cylinder seat, and a polishing cylinder. The polishing cylinder seat is horizontally movable on the base, and the polishing cylinder is rotatably mounted on the polishing cylinder seat. It also includes a transmission rod. A first drive motor is provided on the base. The output shaft of the first drive motor is eccentrically connected to a rotating sleeve. One end of the transmission rod is connected to the rotating sleeve. A connecting seat is provided in the middle of the polishing cylinder seat on the polishing machine unit closest to the transmission rod. The other end of the transmission rod is hinged to the connecting seat. The middle of the polishing cylinder seats of two adjacent polishing machine units is connected by a connecting arm. The connecting arm and the transmission rod are located on the same horizontal line. The existing diamond polishing machine includes a frame arranged in the front-to-back direction, a clamping and translating device on it, and multiple polishing devices, with multiple polishing devices arranged side-by-side on the same side. Each polishing device includes a base, a polishing cylinder seat on the base that can reciprocate in the front-to-back direction, a polishing wheel arranged in the front-to-back direction on the polishing cylinder seat, a cylinder cover located on the polishing cylinder seat and directly above the polishing wheel, a drive motor on the polishing cylinder seat for driving the polishing wheel, and a feeding device on the left or right side of the polishing wheel. The cylinder cover has a notch on one side of the feeding device for the clamp to pass through in the front-to-back direction.

[0005] Polishing machines generate a lot of heat when polishing water drills, requiring cooling water for temperature reduction. For example, patent application number CN202122436057.4 discloses a water drill polishing machine drum base with water cooling function, including a drum base with a drum groove for placing the drum. A water channel is provided on the inner wall of the drum groove, and a cooling component is located below the water channel. A water gun is located on the side wall of the drum base, and the cooling component circulates cooled water into the water gun, with the nozzle of the water gun facing the drum.

[0006] The applicant encountered the following problems when using existing polishing machines for polishing:

[0007] (1) The grinding and polishing cylinder moves back and forth continuously, and cooling water can easily spill out from both ends of the notch;

[0008] (2) The nozzle sprays water (the spraying area is small), which has a poor cooling effect on the polishing wheel, resulting in a shorter service life of the polishing wheel;

[0009] (3) Initial polishing occurs after loading (when the temperature of the fixture is high), which may cause unstable adhesion of the diamond blanks, resulting in low processing accuracy or the diamond blanks falling off. Utility Model Content

[0010] In order to solve the foregoing problems, the utility model discloses a kind of grinding and polishing machines of decorative drill processing, cooling effect is improved by the multiple drainage holes of cooling water tank bottom to cool grinding and polishing wheel;Two water collecting tanks are used to collect water spilled from the gap, and the jig needle is cooled by the spray head.The technical solution is as follows:

[0011] The utility model discloses a kind of grinding and polishing machines of decorative drill processing, including the rack and its jig translation device and M grinding and polishing device being set along front-back, same side multiple grinding and polishing device are set side by side in front-back;The grinding and polishing device includes base, base and can reciprocate in front-back grinding and polishing cylinder seat, grinding and polishing cylinder seat and set along front-back grinding and polishing wheel 1, cover is set on grinding and polishing cylinder seat and located in grinding and polishing wheel 1 directly above cylinder cover 2, grinding and polishing cylinder seat and be used to drive the drive motor of grinding and polishing wheel 1 rotation and the feed device of the left side or right side of grinding and polishing wheel 1;The cylinder cover 2 is equipped with gap 4 for jig 3 to pass in front-back on the side of feed device;The top of cylinder cover 2 is equipped with cooling water tank 5 along front-back, and its front-back two sides and the adjacent below of gap 4 corresponding end are equipped with water collecting tank 6;The bottom of cooling water tank 5 is evenly equipped with multiple drainage holes and is connected with cooling water supply structure by pipeline, and water collecting tank 6 is set along front-back and is communicated with the inside of cylinder cover 2, and the water collecting tank 6 of most upstream grinding and polishing device is equipped with spray head 7;The spray head 7 is directly opposite the jig needle of jig 3 and is set along left-right, and it is located on the side of jig needle away from feed device, and it is connected with cooling water supply structure by pipeline.

[0012] Wherein, the M grinding and polishing devices in the utility model embodiment are arranged in two rows;M / 2 grinding and polishing devices are arranged side by side in front-back on the left side of the rack, the jig 3 moves from front to back, the spray head 7 is arranged at the water collecting tank 6 on the front side of the grinding and polishing device at the front end;M / 2 grinding and polishing devices are arranged side by side in front-back on the right side of the rack, the jig 3 moves from back to front, the spray head 7 is arranged at the water collecting tank 6 on the rear side of the grinding and polishing device at the rear end;Drainage ditch 12 is arranged below the rack and between the two rows of grinding and polishing devices, the drainage ditch 12 is arranged along front-back, the bottom of the grinding and polishing cylinder seat is provided with drainage hole, and the groove is arranged below the drainage hole, and the groove is communicated with the drainage ditch 12.

[0013] Specifically, M in the utility model embodiment is 8, four grinding and polishing devices on the same side are two grinding devices and two polishing devices in turn, the grinding and polishing cylinder seats of two grinding devices are connected together by connecting rod and are driven together, and the grinding and polishing cylinder seats of two polishing devices are connected together by connecting rod and are driven together.

[0014] Further, the water receiving structure is arranged between the two adjacent polishing and grinding devices on the same side, the water receiving structure comprises a transverse drainage groove 13 arranged along the left-right direction and two longitudinal drainage grooves 14 arranged on the front and back sides of the transverse drainage groove 13; the transverse drainage groove 13 is arranged along the left-right direction, is obliquely downward to the directly above of the drainage ditch 12, and is closed at the end away from the drainage ditch 12; the longitudinal drainage groove 14 is arranged along the front-back direction, is obliquely downward to the corresponding side of the transverse drainage groove 13 from the base, and is located directly below the clamp 3.

[0015] Preferably, the cooling water tank 5 is provided with the mounting plate 8 at the front and back ends, the mounting plate 8 is arranged along the left-right direction and is provided with the straight elbow 9; the straight elbow 9 is arranged along the front-back direction, the water outlet end is vertically downward and is located directly above the cooling water tank 5, and the water inlet end is arranged along the front-back direction and is connected with the hose 10 connected with the corresponding straight elbow 9 through the three-way joint.

[0016] Further, the spray head 7 is fixed on the rack through the support and is connected with the hose 10 connected with the corresponding straight elbow 9 through the three-way joint.

[0017] Preferably, the bottom of the notch 4 at the front and back ends is provided with the soft guide piece 11; the soft guide piece 11 is arranged along the front-back direction, the end is fixed on the corresponding end of the cylinder cover 2, and is located directly above the water receiving groove 6.

[0018] Specifically, the cylinder cover 2 is a half polygonal structure, and has six side surfaces; the cooling water tank 5 is arranged on the side surface of the top of the cylinder cover 2.

[0019] Preferably, the bottom of the cooling water tank 5 is provided with one or more rows of drainage holes; if the multiple rows of drainage holes are arranged, the multiple rows of drainage holes are arranged side by side along the left-right direction; each row of drainage holes comprises multiple drainage holes arranged side by side along the front-back direction and uniformly distributed, and the drainage holes are located on the side of the cooling water tank 5 close to the feeding device.

[0020] Specifically, the bottom of the cooling water tank 5 is provided with one row of drainage holes, the width of the drainage holes is 2-4cm, and the depth of the drainage holes is 1-2cm; the width of the water receiving groove 6 is 3-5cm, and the length of the water receiving groove 6 is 4-8cm; the diameter of the drainage hole is 1-3mm, and the distance between the two adjacent drainage holes is 5-20mm.

[0021] The beneficial effects of the technical solution provided by this utility model embodiment are as follows: This utility model embodiment provides a polishing machine for diamond processing. Multiple drainage holes at the bottom of a cooling water tank cool the polishing wheel. The cooling water tank oscillates back and forth, ensuring that the area near the drainage holes is wetted, thus wetting the entire polishing surface of the wheel and improving the cooling effect. Two water receiving tanks collect water sprayed from the notch, and simultaneously send the collected water to the end face of the polishing wheel, achieving cooling and cleaning of the wheel's end face. All of the aforementioned structures improve the cooling effect. A nozzle cools the clamping needle, and corresponding water receiving tanks collect the water dripping from the nozzle. The water receiving tanks prevent water sprayed from the notch and water sprayed from the nozzle from flowing out. The nozzle cooling the clamping needle ensures a stable bond for the diamond. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the structure of an existing grinding and polishing device;

[0023] Figure 2 This is a schematic diagram of the structure of the polishing device without a nozzle provided in this embodiment of the present invention;

[0024] Figure 3 This is a schematic diagram of the structure of the polishing device with a nozzle provided in an embodiment of the present invention;

[0025] Figure 4 This is a side view of a polishing device without a nozzle provided in an embodiment of this utility model;

[0026] Figure 5 This is a side view of the polishing device with a nozzle provided in an embodiment of the present invention;

[0027] Figure 6 This is a schematic diagram of the water-receiving structure.

[0028] In the diagram: 1 Grinding wheel, 2 Cylinder cover, 3 Clamp, 4 Notch, 5 Cooling water tank, 6 Water inlet tank, 7 Nozzle, 8 Mounting plate, 9 Straight bend, 10 Hose, 11 Soft guide plate, 12 Drainage ditch, 13 Horizontal drainage ditch, 14 Longitudinal drainage ditch. Detailed Implementation

[0029] To make the objectives, technical solutions and advantages of this utility model clearer, the utility model will be described in further detail below with reference to the accompanying drawings.

[0030] Example 1

[0031] See Figures 2-5, embodiment 1 provides a diamond processing grinding and polishing machine, which comprises a rack arranged in the front-rear direction and a clamp translation device, a diamond loading device, a glue powder loading device, a heating device, a switching device and M grinding and polishing devices on the rack, and the specific can be seen from the description of the patent with the application number CN202410282940.8. The multiple grinding and polishing devices on the same side (left side or right side) are arranged side by side in front and back. Wherein, M is an integer greater than or equal to 2. The M grinding and polishing devices include at least one grinding device and at least one polishing device. Specifically, the M grinding and polishing devices are arranged in two columns. A drainage ditch 12 (for collecting wastewater and outputting to a wastewater treatment system) is arranged below the rack and between the two columns of grinding and polishing devices, the drainage ditch 12 is arranged in the front-rear direction, a groove is arranged below the grinding and polishing device, the groove is communicated with the drainage ditch 12 and is arranged in the left-right direction.

[0032] The grinding and polishing device comprises a base, a grinding and polishing cylinder seat, a grinding and polishing wheel 1, a cylinder cover 2, a driving motor, a feeding device, a cooling water tank 5, a spray head 7, and two water receiving tanks 6. The base is arranged on the ground in the front-rear direction and is located directly above the corresponding groove. The grinding and polishing cylinder seat is arranged in the front-rear direction and is slidingly arranged on the base. It can be driven by the corresponding structure (swing structure or adjacent grinding and polishing cylinder seat) to move back and forth. A semicircular groove is arranged on the grinding and polishing cylinder seat to cooperate with the grinding and polishing wheel 1. The bottom of the grinding and polishing cylinder seat is provided with a drain hole. The structure of the grinding and polishing cylinder seat can be referred to the description of application numbers CN202220865089.8 or CN202020322877.3. The grinding and polishing wheel 1 is rotatably arranged on the grinding and polishing cylinder seat and is arranged in the front-rear direction. It is driven by the driving motor. Specifically, for the grinding device, the grinding and polishing wheel 1 is a grinding wheel; for the polishing device, the grinding and polishing wheel 1 is a polishing wheel. The driving motor is arranged on the grinding and polishing cylinder seat and is arranged in the front-rear direction. It is transmissionally connected to the front end or the rear end of the grinding and polishing wheel 1 through a belt. The feeding device is located on the left side or the right side of the grinding and polishing wheel 1. It is used to drive the clamp 3 to move towards the grinding and polishing wheel 1. A sliding rail is arranged on the feeding device in the front-rear direction for the clamp 3 to slide. The feeding device can be referred to the description of application number CN202311251019.9. The cylinder cover 2 is arranged in the front-rear direction and covers the grinding and polishing cylinder seat. It is located directly above the grinding and polishing wheel 1. The left side or the right side of the cylinder cover 2 and the side of the feeding device are provided with a gap 4 (specifically a rectangular gap arranged in the front-rear direction) for the clamp 3 to pass through in the front-rear direction. Specifically, the cylinder cover 2 is a semipolygonal structure with six sides. The cooling water tank 5 is arranged in the front-rear direction and is arranged on the top of the cylinder cover 2. The bottom of the cooling water tank 5 is uniformly provided with a plurality of drain holes. It is connected to the cooling water supply structure through a pipeline (used to provide cooling water. The cooling water can be clean water treated by a waste water treatment system). Specifically, the cooling water tank 5 is arranged on the side (horizontally arranged) of the top of the cylinder cover 2. Specifically, the bottom of the cooling water tank 5 is provided with one row or multiple rows of drain holes. If there are multiple rows of drain holes, the multiple rows of drain holes are arranged side by side. Each row of drain holes comprises a plurality of drain holes arranged side by side and uniformly distributed in the front-rear direction. The drain holes are located on the side of the cooling water tank 5 close to the feeding device. Two water receiving tanks 6 are respectively arranged on the front side and the rear side of the cylinder cover 2 to receive water spilled from the two ends of the gap 4. The water receiving tank 6 is arranged in the front-rear direction and is located below the adjacent end of the gap 4. It is communicated with the inner side of the cylinder cover 2 (through a through hole or a gap) to return the water to the corresponding side of the grinding and polishing wheel 1. It is located directly below the clamp 3. The spray head 7 is arranged at the water receiving tank 6 of the most upstream (the water receiving tank 6 at the front side of the most upstream grinding and polishing device or the water receiving tank 6 at the rear side of the last grinding and polishing device). The spray head 7 is arranged opposite to the clamp needle of the clamp 3. It is arranged in the left-right direction and is located on the side of the clamp needle away from the feeding device. It is connected to the cooling water supply structure through a pipeline. It is used to cool the clamp needle and the hot melt adhesive thereon.

[0033] Wherein, the left side of the rack is provided with M / 2 polishing and grinding devices in front and back in parallel to form a row, the clamp 3 moves from front to back, and the water receiving groove 6 on the front side of the polishing and grinding device at the front end is provided with a spray head 7. The right side of the rack is provided with M / 2 polishing and grinding devices in front and back in parallel, the clamp 3 moves from back to front, and the water receiving groove 6 on the front side of the polishing and grinding device at the rear end is provided with a spray head 7.

[0034] Wherein, the front and back ends of the cooling water tank 5 are provided with mounting plates 8. The mounting plate 8 is provided along the left and right directions, and a straight elbow 9 is arranged thereon, which is fixed to the top of the cylinder cover 2, and the specific is an arc plate. The straight elbow 9 is provided along the front and back directions, the water outlet end is vertically downward and located directly above the cooling water tank 5, and the water inlet end (located away from the cooling water tank 5) is provided along the front and back directions and connected with the cooling water supply structure through the hose 10.

[0035] Wherein, the cooling water tank 5, the plurality of drainage holes and the two straight elbows 9 are arranged to ensure that there is always cooling water in the cooling water tank 5, the cooling water in the cooling water tank 5 will not overflow, and the cooling water in the cooling water tank 5 will not be spilled during the back and forth movement. Specifically, the total flow of the plurality of drainage holes and the total flow of the two straight elbows 9 are basically the same.

[0036] Further, the spray head 7 in the embodiment of the utility model is fixed on the rack through the support (specifically iron wire), and is connected with the hose 10 connected with the corresponding straight elbow 9 through the three-way joint.

[0037] Preferably, the bottom of the notch 4 at the front and back ends is provided with a soft guide piece 11 (which requires a certain hardness, which can be a plastic piece with a thickness of 1-2mm, which is used to guide the water flow to avoid splashing). The soft guide piece 11 is provided along the front and back directions, and the end part (which is close to the cylinder cover 2) is fixed to the corresponding end of the cylinder cover 2, and is located directly above the water receiving groove 6.

[0038] Embodiment 2

[0039] Referring to Figure 6 , embodiment 2 provides a polishing and grinding machine for diamond processing, which has basically the same structure as that of embodiment 1, except that the adjacent two polishing and grinding devices on the same side in the embodiment are provided with a water receiving structure to receive water dripping from the clamp 3. Wherein, the water receiving structure includes a transverse drainage groove 13 provided along the left and right directions and two longitudinal drainage grooves 14 on the front and back sides thereof. The transverse drainage groove 13 and the two longitudinal drainage grooves 14 form a T shape or a cross shape. The transverse drainage groove 13 is provided along the left and right directions, and is obliquely downward to the upper side of the drainage ditch 12, and the end away from the drainage ditch 12 is closed. The longitudinal drainage groove 14 is provided along the front and back directions, and is obliquely downward from the bottom to the corresponding side of the transverse drainage groove 13, and is located directly below the clamp 3.

[0040] Embodiment 3

[0041] Embodiment 3 provides a polishing machine for diamond processing, which has basically the same structure as that of embodiment 1, except that in the embodiment, M is 8, i.e. four polishing devices are arranged side by side on the left side of the frame, and four polishing devices are arranged side by side on the right side of the frame. The four polishing devices on the same side are two grinding devices and two polishing devices in turn, the polishing cylinder seats of the two grinding devices are connected together through a connecting rod and are driven together, and the polishing cylinder seats of the two polishing devices are connected together through a connecting rod and are driven together. Its structure can be referred to the description of application No. CN202020322877.3.

[0042] Embodiment 4

[0043] Embodiment 4 provides a polishing machine for diamond processing, which has basically the same structure as that of embodiment 1, except that in the embodiment, the bottom of the cooling water tank 5 is provided with a row of drainage holes (located at the left end or right end of the bottom of the cooling water tank 5), the width of which is 2-4 cm, and the depth of which is 1-2 cm. The width of the water collecting tank 6 is 3-5 cm, the length of which is 4-8 cm, the diameter of the drainage hole is 1-3 mm, and the distance between adjacent two drainage holes is 5-20 mm.

[0044] The above is only the preferred embodiment of the present application, and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A polishing machine for processing of diamond, comprising a frame arranged in front-rear direction, a clamp translation device and M polishing devices on the frame, and a plurality of polishing devices arranged side by side in front-rear direction on the same side; the polishing device comprises a base, a polishing cylinder seat capable of reciprocating in front-rear direction on the base, a polishing wheel (1) arranged in front-rear direction on the polishing cylinder seat, a cylinder cover (2) arranged on the polishing cylinder seat and located directly above the polishing wheel (1), a driving motor for driving the polishing wheel (1) to rotate on the polishing cylinder seat, and a feeding device on the left side or the right side of the polishing wheel (1); the cylinder cover (2) is provided with a gap (4) on the side of the feeding device for the clamp (3) to pass through in front-rear direction; characterized in that, The top of the barrel cover (2) is provided with a cooling water groove (5) along the front-rear direction, and the front and rear sides of the cooling water groove (5) and the adjacent lower sides of the corresponding ends of the notch (4) are provided with water receiving grooves (6); the bottom of the cooling water groove (5) is uniformly provided with a plurality of drain holes, and the cooling water groove (5) is connected with the cooling water supply structure through a pipeline; the water receiving grooves (6) are arranged along the front-rear direction and are communicated with the inner side of the barrel cover (2); the water receiving groove (6) of the most upstream polishing device is provided with a spray head (7); the spray head (7) is arranged opposite to the clamp needle of the clamp (3) and is arranged along the left-right direction; the spray head (7) is located on the side of the clamp needle away from the feeding device and is connected with the cooling water supply structure through a pipeline.

2. The polishing machine for processing of a setting stone according to claim 1, wherein, M polishing devices are arranged in two rows; M / 2 polishing devices are arranged side by side on the left side of the rack from front to back; the clamp (3) moves from front to back, and the water receiving groove (6) on the front side of the front polishing device is provided with a spray head (7); M / 2 polishing devices are arranged side by side on the right side of the rack from front to back; the clamp (3) moves from back to front, and the water receiving groove (6) on the rear side of the rear polishing device is provided with a spray head (7); a drainage ditch (12) is arranged below the rack and between the two rows of polishing devices; the drainage ditch (12) is arranged along the front-rear direction; the bottom of the polishing barrel seat is provided with a drain hole, and a groove is arranged below the drain hole; the groove is communicated with the drainage ditch (12).

3. The polishing machine for processing of setting stones according to claim 2, wherein M is 8, and the four polishing devices on the same side are two grinding devices and two polishing devices in turn; the polishing barrel seats of the two grinding devices are connected together by a connecting rod and are driven together; the polishing barrel seats of the two polishing devices are connected together by a connecting rod and are driven together.

4. The polishing machine for processing of a setting stone according to claim 2, wherein A water receiving structure is arranged between the adjacent two polishing devices on the same side; the water receiving structure comprises a transverse drainage groove (13) arranged along the left-right direction and two longitudinal drainage grooves (14) arranged on the front and rear sides of the transverse drainage groove (13); the transverse drainage groove (13) is arranged along the left-right direction and is inclined downward to the upper side of the drainage ditch (12); the end of the transverse drainage groove (13) away from the drainage ditch (12) is closed; the longitudinal drainage grooves (14) are arranged along the front-rear direction and are inclined downward from the base to the corresponding side of the transverse drainage groove (13); the longitudinal drainage grooves (14) are located below the clamp (3).

5. The machine for grinding and polishing of the processed rhinestone according to claim 1, characterized in that, The front and rear ends of the cooling water groove (5) are provided with mounting plates (8); the mounting plates (8) are arranged along the left-right direction and are provided with straight elbows (9) thereon; the straight elbows (9) are arranged along the front-rear direction; the water outlet end of the straight elbow (9) is arranged vertically downward and is located above the cooling water groove (5); the water inlet end of the straight elbow (9) is arranged along the front-rear direction and is connected with the cooling water supply structure through a hose (10).

6. The machine for grinding and polishing of the processed setting stone according to claim 5, characterized in that, The spray head (7) is fixed on the rack by a support and is connected with the hose (10) connected with the corresponding straight elbow (9) through a three-way joint.

7. The machine for grinding and polishing of the processed rhinestone according to claim 1, characterized in that, The bottom of the notch (4) is provided with a soft guide piece (11) at the front and rear ends; the soft guide piece (11) is arranged along the front-rear direction; the end of the soft guide piece (11) is fixed to the corresponding end of the barrel cover (2) and is located above the water receiving groove (6).

8. The machine for grinding and polishing of the processed rhinestone according to claim 1, characterized in that, The barrel cover (2) is a semi-polygonal structure and has six side surfaces; the cooling water groove (5) is arranged on the side surface of the top of the barrel cover (2).

9. The machine for grinding and polishing of the processed rhinestone according to claim 1, characterized in that, The bottom of the cooling water tank (5) is provided with one or more rows of drainage holes; if there are multiple rows of drainage holes, the multiple rows of drainage holes are arranged side by side left and right; each row of drainage holes includes multiple drainage holes arranged side by side front and back and uniformly distributed, and the drainage holes are located on the side of the cooling water tank (5) close to the feeding device.

10. The machine for grinding and polishing of the processed rhinestone according to claim 9, characterized in that, The bottom of the cooling water tank (5) is provided with one row of drainage holes, the width of which is 2-4 cm, and the depth of which is 2-3 cm; the width of the water receiving tank (6) is 3-5 cm, and the length thereof is 4-8 cm; the diameter of the drainage hole is 1-3 mm, and the distance between adjacent two drainage holes is 5-20 mm.

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