CN115212976A - Grinding and shaping device and method for soft metal ball - Google Patents
Grinding and shaping device and method for soft metal ball Download PDFInfo
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- CN115212976A CN115212976A CN202210945825.5A CN202210945825A CN115212976A CN 115212976 A CN115212976 A CN 115212976A CN 202210945825 A CN202210945825 A CN 202210945825A CN 115212976 A CN115212976 A CN 115212976A
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 25
- 239000002184 metal Substances 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000007493 shaping process Methods 0.000 title claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 238000007599 discharging Methods 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 7
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- 230000000694 effects Effects 0.000 claims description 2
- 230000033001 locomotion Effects 0.000 description 14
- 238000005457 optimization Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 7
- 229910000679 solder Inorganic materials 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
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- 238000012858 packaging process Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/10—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with one or a few disintegrating members arranged in the container
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/16—Mills in which a fixed container houses stirring means tumbling the charge
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/24—Driving mechanisms
Abstract
A grinding and shaping device and method for soft metal spheres comprises a grinding cylinder, a grinding rod movably sleeved in the grinding cylinder and a power mechanism for driving the grinding rod to move, wherein an external spiral groove is formed in the outer wall of the grinding rod, a feed inlet for a sphere to be ground to enter the external spiral groove is formed in the grinding cylinder, the grinding rod can rotate and axially move in the grinding cylinder under the driving of the power mechanism so as to grind the sphere to be ground in the external spiral groove.
Description
Technical Field
The invention relates to the field of grinding and shaping of soft metal spheres, in particular to a grinding and shaping device and method for a soft metal sphere.
Background
The soft metal ball is made of tin, lead, copper and other soft metals and alloy materials thereof, and is widely applied in the manufacturing industry, for example, the soft metal ball used in the packaging process of integrated circuits is a tin ball. The packaging of BGA solder balls is a key for manufacturing chips in intelligent equipment, the packaging process is to ensure the quality of highly integrated electronic products, strict requirements are provided for the roundness, size, grinding precision and uniformity of the solder balls, the diameter of the solder balls is very small, so that the production of the solder balls is very difficult, but the demand for the solder balls is increasingly large along with the increasing popularization of the intelligent equipment.
The prior method for preparing the tin ball generally adopts a shredding remelting method, the tin ball obtained by the method has irregular shape, the product quality is not easy to be ensured, further grinding treatment is needed, the traditional tin ball grinding method generally grinds the tin ball by a pair of round grinding wheels, the grinding method has low precision, the tin ball cannot be fully ground in all directions, the grinding process is discontinuous, and the grinding efficiency is low. For other soft metal spheres, the problems of low grinding efficiency and poor precision exist in the preparation and use of the soft metal spheres.
Disclosure of Invention
The invention aims to provide a grinding and shaping device and method for a soft metal sphere, and aims to solve the problems of low grinding efficiency and poor precision of the soft metal sphere.
In order to solve the technical problems, the invention adopts the specific scheme that: a grinding cylinder is sleeved outside a grinding rod, a ball to be ground is placed in an outer spiral groove in the outer wall of the grinding rod, the grinding rod is driven to rotate in the grinding cylinder and move axially, and the ball to be ground, the wall of the outer spiral groove, the inner wall of the grinding cylinder and the adjacent ball to be ground are squeezed and rubbed with each other, so that the ball to be ground is ground.
The utility model provides a spheroidal grinding shaping device of soft metal, includes grinding vessel, activity cover establish the grinding rod of grinding vessel inside and be used for driving the power unit of grinding rod motion, and outer spiral groove has been seted up to the outer wall of grinding rod, sets up on the grinding vessel and supplies to wait to grind the feed inlet that the spheroid got into outer spiral inslot, and the grinding rod can be at grinding vessel internal rotation and axial displacement under power unit's drive to the spheroid of waiting to grind in the outer spiral groove grinds.
As the further optimization of the technical scheme, a discharge hole for discharging the ground ball is formed in the grinding cylinder, or a discharge channel for discharging the ground ball is formed between the end part of the grinding cylinder and the grinding rod.
As the further optimization of above-mentioned technical scheme, the quantity of feed inlet is one and is located the middle part of grinding vessel, and the quantity of discharge gate is two and is located the both ends of grinding vessel respectively.
As a further optimization of the technical scheme, the inner wall of the grinding cylinder is set to be a smooth cylindrical surface.
As the further optimization of the technical scheme, the inner wall of the grinding cylinder is provided with an inner spiral groove corresponding to the notch of the outer spiral groove.
As the further optimization of the technical scheme, at least one grinding cylinder with a smooth inner wall and at least one grinding cylinder with an inner spiral groove are sleeved outside the grinding rod, and the inner spiral groove corresponds to the notch of the outer spiral groove on the outer wall of the grinding rod.
As above-mentioned technical scheme's further optimization, the grinding vessel outside is provided with the lock ring spare that can adjust grinding vessel and grinding rod and compress tightly the degree, and the grinding rod inside is provided with the heating rod that can adjust grinding rod inflation degree.
As above-mentioned technical scheme's further optimization, the axis of rotation is worn to be equipped with in the inside axial of grinding miller pole, and axis of rotation and grinding miller pole fixed connection, power unit is including fixed driving motor and the standard ball that sets up on the base, be provided with first supporting component in the axis of rotation, first supporting component includes that first sleeve and cover establish the first bearing in first sleeve outside, first bearing is fixed on the base, first sleeve cover is established outside the axis of rotation and is connected with the axis of rotation key, the fixed cover in first sleeve outside is equipped with the belt pulley, driving motor is connected in order to drive the axis of rotation through driving belt and belt pulley transmission, the nut of standard ball is fixed to be set up on the base, the screw rod of standard ball is connected and coaxial distribution with the axis of rotation, standard ball is used for driving axis of rotation axial displacement when the axis of rotation is pivoted.
As the further optimization of above-mentioned technical scheme, be provided with the second supporting component in the axis of rotation, second supporting component and first supporting component are located the both sides second supporting component of grinding vessel respectively and include the second bearing and set up the second sleeve at the second bearing inner circle, and the second bearing is fixed to be set up on the base, axis of rotation and second sleeve key-type connection.
Compared with the prior art, the invention has the following beneficial effects: 1. the ball grinding machine utilizes the principle of a ball screw, and drives a ball to be ground to rotate together with a grinding rod through a power mechanism, in the process, the ball to be ground, an outer spiral groove, the inner wall of a grinding cylinder and adjacent balls to be ground are mutually extruded and rubbed, the ball to be ground rotates along the inner wall of the grinding cylinder and also performs self rotation of the ball to be ground, and finally the ball to be ground is ground.
2. The inner wall of the grinding cylinder is set to be a smooth cylindrical surface, after a ball to be ground enters the outer spiral groove, the grinding rod pushes the ball to move spirally, the section of the outer spiral groove is V-shaped, the ball is in three-point contact with two side walls of the outer spiral groove and the inner wall of the grinding cylinder, the ball to be ground finishes impact, impact and self-grinding operations between the grinding rod and the grinding cylinder, and the ball to be ground finishes fine grinding along with the spiral advance of the grinding rod; the inner wall of the grinding cylinder is provided with an inner spiral groove corresponding to the notch of the outer spiral groove, when the ball body is ground, the outer spiral groove and the inner spiral groove are utilized to force the ball body to deform along with the relative movement of the grinding rod and the grinding cylinder, so that the purpose of shaping is achieved, and the coarse grinding of the ball body to be ground can be realized.
3. A clamping piece is arranged outside the grinding cylinder, and the degree of compaction of the grinding cylinder and the grinding rod is adjusted by adjusting the clamping degree of the clamping piece so as to grind spheres with different sizes; be equipped with the heating rod in the inside of grinding rod, according to expend with heat and contract with cold's principle, the heating rod heats the grinding rod, and the grinding rod degree of expansion after the heating can change the degree that compresses tightly of grinding rod and grinding vessel, and then the spheroid of adaptation different diameters grinds.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a cross-sectional view of the grinding process (initial state) of the present invention;
FIG. 4 is a cross-sectional view showing the grinding process (when the driving motor starts to rotate in the reverse direction after the normal rotation is finished and the feed opening starts to be closed) according to the present invention;
FIG. 5 is a cross-sectional view of the grinding process of the present invention (with the drive motor held in reverse and the feed inlet reopened);
FIG. 6 is a cross-sectional view showing the grinding process (when the driving motor starts to rotate forward after the reverse rotation is finished, and the feed port starts to close) in accordance with the present invention;
FIG. 7 is a cross-sectional view of the grinding process of the present invention (with the drive motor held in forward rotation and the feed inlet reopened);
reference numerals: 1. the base, 2, the second backup pad, 3, the elastic support board, 4, driving motor, 5, first backup pad, 6, the third backup pad, 7, standard ball, 701, the screw rod, 702, the nut, 8, the shaft coupling, 9, the axis of rotation, 10, the grinding rod, 11, the grinding vessel, 1101, the feed inlet, 1102, the discharge gate, 12, the second supporting component, 1201, the second sleeve, 1202, the second bearing, 13, the first supporting component, 1301, the first sleeve, 1302, first bearing, 14, the belt pulley, 15, driving belt.
Detailed Description
Example 1
As shown in fig. 1 and 2, the present invention is a grinding and shaping device for soft metal spheres, which includes a grinding cylinder 11, a grinding rod 10 movably sleeved in the grinding cylinder 11, and a power mechanism for driving the grinding rod 10 to move. The outer wall of the grinding rod 10 is provided with an outer spiral groove (not shown in the figure), the section of the outer spiral groove is in a V shape, the grinding cylinder 11 is provided with a feed inlet 1101 and a discharge outlet 1102, the feed inlet 1101 allows a ball to be ground to enter the outer spiral groove for grinding, the discharge outlet 1102 allows the ball after grinding in the outer spiral groove to be discharged, and the grinding rod 10 can rotate and axially move in the grinding cylinder 11 under the driving of the power mechanism, so that the ball to be ground in the outer spiral groove is ground. The precision of the ball to be ground can be controlled by adjusting the lead of the outer spiral groove provided on the grinding rod 10.
The grinding cylinder 11 is connected to the base 1 through an elastic support plate 3, and the elastic support plate 3 is made of elastic materials such as rubber. Set up the strip groove unanimous with 11 length direction of grinding vessel on the base 1, the upper portion and the 11 fixed connection of grinding vessel of resilient support board 3, the lower part of resilient support board 3 is installed at the strip inslot, can change the cover of grinding vessel 11 on grinding rod 10 through the mounted position of adjustment resilient support board 3 in the strip inslot and establish the position. The base 1 is of a cast iron structure and is used for bearing the weight of the grinding cylinder 11, the grinding rod 10 and the power mechanism.
The inside axial of grinding rod 10 is worn to be equipped with axis of rotation 9, and axis of rotation 9 and grinding rod 10 fixed connection, and grinding rod 10 all extends at the both ends of axis of rotation 9. The power mechanism comprises a driving motor 4 fixedly arranged on the base 1 and a standard ball screw 7 fixedly arranged on the base 1, wherein the standard ball screw 7 comprises a screw 701, a nut 702 and balls (not shown in the figure), the screw 701 of the standard ball screw 7 and the rotating shaft 9 are coaxially distributed and fixedly connected with one end of the rotating shaft 9 through a coupler 8, and the nut 702 is fixed on the base 1 through a third supporting plate 6. The nut 702 is a stepped nut 702 having a large-diameter end and a small-diameter end, a through hole for the small-diameter end of the nut 702 to pass through is formed in the third support plate 6, and the large-diameter end of the nut 702 is fixedly connected with the third support plate 6 through a bolt. The principle of the invention refers to the working principle of a ball screw, and is characterized in that the ball screw is an actuating element which converts rotary motion into linear motion, when the ball screw works, the ball screw provides rotation of a screw rod, balls rotate in a thread groove between the screw rod and a nut and move along with the thread groove, and linear motion of the screw rod in the nut is finally output, a grinding rod in the invention is equivalent to the screw rod in the ball screw, the thread groove outside the grinding rod is equivalent to the thread groove of the screw rod, a standard ball screw 7 drives the grinding rod 10 to move axially, namely, the grinding rod 10 moves axially in a grinding cylinder 11, the grinding rod 10 rotates under the driving of a rotating shaft 9, therefore, along with the rotation and the axial movement of the grinding rod 10 in the grinding cylinder 11, a ball to be ground can be driven to rotate in an external thread groove and rotate along the inner wall of the grinding cylinder 11, impact and self-grinding operation of the ball to be ground between the grinding rod 10 and the grinding cylinder 11 can be realized, and uniform balls can be output.
Since the belt transmission has high transmission precision and high reliability, the driving of the rotating shaft 9 in the embodiment is realized by the transmission of the transmission belt 15, and it can be understood that the transmission forms such as chain transmission and gear transmission can also be adopted.
First supporting component 13 and standard ball 7 all set up in the same one side of grinding vessel 11, one side that grinding vessel 11 and first supporting component 13 carried on the back mutually is provided with second supporting component 12, second supporting component 12 includes second bearing 1202 and sets up the second sleeve 1201 at the second bearing 1202 inner circle, the outside cover of second sleeve 1201 is equipped with second bearing 1202, the outside of second sleeve 1201 is connected with the inner circle of second bearing 1202 with interference fit's mode, the outer lane of second bearing 1202 passes through second backup pad 2 fixed connection on base 1. The second bearing 1202 is arranged to limit the axial movement of the second sleeve 1201, and the second sleeve 1201 is also provided with stoppers (not shown) at both sides of the second bearing 1202 to limit the axial movement of the first sleeve 1301 relative to the first bearing 1302 when rotating. The rotating shaft 9 extends out of the grinding rod 10 and then penetrates through the second sleeve 1201 and is in key connection with the second sleeve 1201, and the second sleeve 1201 can rotate in the second bearing 1202, so that the mode of key connection of the second sleeve 1201 and the rotating shaft 9 does not influence rotation of the rotating shaft 9 and does not interfere axial movement of the rotating shaft 9. In order to reduce the resistance of the key connection mode to the axial movement of the rotating shaft 9, the key connections in the invention are all connected through ball splines.
When the driving motor 4 drives the rotating shaft 9 to rotate, the screw 701 of the standard ball screw 7 connected with the rotating shaft 9 also rotates, and because the nut 702 of the standard ball screw 7 is in a fixed state, the screw 701 rotates in the nut 702 and moves axially, so as to drive the rotating shaft 9 connected with the screw 701 to move axially. The driving motor 4 is a motor with forward and reverse rotation functions, when the driving motor 4 rotates forward, the rotating shaft 9 moves axially towards one side of the grinding cylinder 11, and when the driving motor 4 rotates reversely, the rotating shaft 9 moves axially towards the other side of the grinding cylinder 11.
The grinding cylinder 11 is provided with one feeding hole 1101, and the feeding hole is located in the middle of the grinding cylinder 11 in the axial direction, and the number of the discharging holes 1102 is two and the two discharging holes are located at two ends of the grinding cylinder 11 in the axial direction respectively. For convenience of feeding and discharging, as shown in fig. 1 and 2, a feeding port 1101 is provided at the top of the grinding cylinder 11, and two discharging ports 1102 are opened at the bottom of the grinding cylinder 11. A feeding switch controlled by a solenoid valve is further arranged at the feeding hole 1101, and the feeding switch controls whether the feeding hole 1101 feeds materials into the outer spiral groove or not according to the forward rotation and reverse rotation conditions of the driving motor 4 and the axial movement stroke of the grinding rod 10.
As another discharging mode, a discharging channel for discharging the ground spheres is formed between the end of the grinding cylinder 11 and the grinding rod 10, and when the external thread groove of the grinding rod 10 exceeds the end of the grinding cylinder 11, the ground spheres in the external thread groove lose the constraint of the grinding cylinder 11 and are separated from the external thread groove to complete discharging. In addition, a brush (not shown) corresponding to the external spiral groove is further disposed at the end of the grinding cylinder 11, and the ball in the external spiral groove can be cleaned by the brush, so that the discharging efficiency is further improved.
The outside of the grinding cylinder 11 is provided with a clamping piece, the clamping piece is a product in the prior art, such as a hoop, a throat hoop and the like, the clamping piece in the grinding cylinder 11 is a hoop sleeved outside the grinding cylinder, the degree of compression between the grinding cylinder 11 and the grinding rod 10 can be adjusted by adjusting the clamping degree of the clamping piece, so that balls with different sizes can be ground, and the grinding diameter of the ball can be changed by slightly changing the grinding cylinder 11 due to the fact that the diameter of the ball is smaller. Similarly, the heating rod is arranged inside the grinding rod 10, the grinding rod 10 is heated by the heating rod according to the principle of expansion with heat and contraction with cold, and the degree of compression between the grinding rod 10 and the grinding cylinder 11 can be changed by the expansion degree of the heated grinding rod 10, so that the grinding rod is suitable for grinding spheres with different diameters.
The inner wall of grinding vessel 11 sets up to smooth face of cylinder, treats that grinding ball gets into outer spiral groove after, and grinding rod 10 promotes spheroid spiral movement, and the spheroid forms three point contact with two lateral walls in outer spiral groove, grinding vessel 11's inner wall, treats that grinding ball accomplishes impact, striking and autogenous grinding operation between grinding rod 10 and grinding vessel 11, and along with grinding rod 10's spiral advances, treats that grinding ball tends to regular shape gradually, realizes treating grinding spheroidal accurate grinding. When the ball in the outer spiral groove is moved to the discharge port 1102, the ball is discharged through the discharge port 1102, or the ball in the outer spiral groove moves to the outside of the grinding cylinder 11 along with the grinding rod 10, the ball loses the constraint of the grinding cylinder 11, and is separated from the outer bolt groove to complete the discharge. In addition, an exciter is provided on an end surface of the grinding cylinder 11 to supply high-frequency axial vibration to the grinding cylinder 11, thereby improving grinding efficiency.
A grinding and shaping method for soft metal spheres is characterized in that spheres to be ground are added through a feed inlet 1101 of a grinding cylinder 11 on a grinding device, the spheres to be ground fall into a spiral groove on the surface of a grinding rod 10, the grinding rod 10 axially moves while rotating in the grinding cylinder 11, so that the spheres to be ground, the spiral groove and the inner wall of the grinding cylinder 11 are mutually extruded and rubbed, and adjacent spheres to be ground roll relatively, grinding of the surfaces of the spheres to be ground is realized, when the spheres in the spiral groove move to a discharge port 1102 at the bottom of the grinding cylinder 11, the spheres are discharged through the discharge port 1102, and grinding is completed. During the polishing, a predetermined amount of polishing paste is injected into the polishing cylinder 11 as needed.
The specific operation process of the grinding and shaping method is as follows:
1) As shown in fig. 3, the driving motor 4 is started to rotate forward, the grinding rod 10 rotates and moves axially to the left, and simultaneously, the feeding switch at the feeding port 1101 is opened, and the ball to be ground is added into the external spiral groove of the grinding rod 10 from the feeding port 1101; grinding the ball to be ground in the external spiral groove, moving to a discharge hole 1102 at the left end of the grinding cylinder 11 along with the external spiral groove, and discharging through the discharge hole 1102;
2) When the grinding rod 10 moves to the position shown in fig. 4, the starting motor rotates reversely, the grinding rod 10 rotates and moves axially to the right, at the same time, the electromagnetic valve controls the feed switch at the feed port 1101 to be closed, and the ball which enters the external spiral groove of the grinding rod 10 but is not discharged starts to move to the right along with the grinding rod 10;
3) When the grinding rod 10 moves to the position shown in fig. 5, the external spiral groove of the grinding rod 10 is opened corresponding to the right-end discharge hole 1102, the ball in the external spiral groove is discharged from the right-end discharge hole 1102, at this time, the feeding switch at the position of the feed hole 1101 is opened again, the ball is fed from the feed hole 1101, the grinding rod 10 continues to move to the right side, and after the ball in the external spiral groove is ground, the ball moves to the discharge hole 1102 at the right end of the grinding cylinder 11 along with the external spiral groove and is discharged through the discharge hole 1102;
4) When the grinding rod 10 moves to the position shown in FIG. 6, the driving motor 4 is started to rotate forward, and the feeding switch is closed;
5) When the grinding rod 10 moves to the position shown in FIG. 7, the driving motor 4 is kept to rotate forward, and the feeding switch is turned on;
6) And (5) repeating the steps 1) to 5), namely finishing the grinding of the ball body to be ground.
It should be noted that, in practical use, the length of the grinding cylinder 11 is generally set to be 1/3 of the length of the grinding rod 10, when the driving motor 4 changes the rotation direction to change the direction of the grinding rod 10, the ball that is not discharged in the external thread groove of the grinding rod 10 occupies 1/6 of the length of the grinding rod, the ball that is not discharged moves to the discharge port after the direction change after the grinding rod 10 is changed, that is, 1/6 of the effective grinding stroke is lost, and the remaining 5/6 of the stroke can be used for grinding new materials, which is acceptable in practice.
Example 2
The main structure of this embodiment is the same as that of embodiment 1, and is different from embodiment 1 in that the inner wall of the grinding cylinder 11 has an inner spiral groove (not shown in the figure) corresponding to the notch of the outer spiral groove, when the grinding rod 10 is in the grinding cylinder 11, the outer spiral groove and the inner spiral groove are butted to form a spiral channel, the ball to be ground enters the spiral channel, and along with the movement of the grinding rod 10, the ball to be ground and the grinding rod 10 advance spirally, and finally the grinding of the ball to be ground is realized. The using method of the embodiment is the same as that of the embodiment, and is not described herein again.
Example 3
The main structure of this embodiment is the same as that of embodiment 1, except that the grinding cylinder 11 sleeved with the grinding rod 10 comprises a grinding cylinder 11 with a smooth inner wall and a grinding cylinder 11 with an inner thread groove corresponding to the notch of the outer thread groove of the outer wall of the grinding rod 10, and the grinding and shaping method can realize coarse grinding and fine grinding of the ball, wherein the grinding cylinder 11 with an inner thread groove on the inner wall is used for coarse grinding of the ball, and the grinding cylinder 11 with a smooth inner wall is used for fine grinding of the ball.
In this embodiment, according to the grinding and shaping method described in embodiment 1, rough grinding is performed by the grinding cylinder 11 having the threaded groove on the inner wall, and the ball after rough grinding is placed into the grinding cylinder 11 having the smooth inner wall again to perform finish grinding.
Claims (10)
1. A grinding and shaping method of a soft metal sphere is characterized in that a grinding cylinder (11) is sleeved outside a grinding rod (10), a sphere to be ground is placed in an outer spiral groove of the outer wall of the grinding rod (10), the grinding rod (10) is driven to rotate and axially move in the grinding cylinder (11), and the sphere to be ground, the wall of the outer spiral groove, the inner wall of the grinding cylinder (11) and the adjacent sphere to be ground are mutually squeezed and rubbed to realize grinding of the sphere to be ground.
2. The utility model provides a spherical grinding shaping device of soft metal, a serial communication port, including grinding vessel (11), the activity cover is established grinding rod (10) inside grinding vessel (11) and is used for driving power unit that grinding rod (10) moved, the outer wall of grinding rod (10) has seted up outer spiral groove, set up on grinding vessel (11) and supply to wait to grind the feed inlet (1101) that the spheroid got into outer spiral groove, grinding rod (10) can be at grinding vessel (11) internal rotation and axial displacement under power unit's drive to the spheroid of waiting to grind in the outer spiral groove is ground.
3. The grinding and shaping device of the soft metal ball as claimed in claim 2, wherein the grinding cylinder (11) is provided with a discharge hole (1102) for discharging the ground ball, or a discharge channel for discharging the ground ball is formed between the end of the grinding cylinder (11) and the grinding rod (10).
4. The grinding and shaping device for the soft metal ball body according to claim 3, wherein the number of the feed ports (1101) is one and is located in the middle of the grinding cylinder (11), and the number of the discharge ports (1102) is two and is respectively located at two ends of the grinding cylinder (11).
5. The grinding and shaping device for soft metal balls according to claim 2, wherein the inner wall of the grinding cylinder (11) is provided as a smooth cylindrical surface.
6. The grinding and shaping device for soft metal balls according to claim 2, wherein the inner wall of the grinding cylinder (11) is provided with an inner spiral groove corresponding to the notch of the outer spiral groove.
7. The grinding and shaping device of the soft metal ball body as claimed in claim 2, wherein the grinding rod (10) is externally sleeved with at least one grinding cylinder (11) with a smooth inner wall and at least one grinding cylinder (11) with an inner spiral groove on the inner wall, and the inner spiral groove corresponds to the notch of the outer spiral groove on the outer wall of the grinding rod (10).
8. The grinding and shaping device of the soft metal ball body as claimed in claim 2, wherein the grinding cylinder (11) is externally provided with a clamping member capable of adjusting the degree of pressing the grinding cylinder (11) and the grinding rod (10), and the grinding rod (10) is internally provided with a heating rod capable of adjusting the expansion degree of the grinding rod (10).
9. The grinding and shaping device of the soft metal sphere according to claim 2, wherein a rotating shaft (9) axially penetrates through the inside of the grinding rod (10), the rotating shaft (9) is fixedly connected with the grinding rod (10), the power mechanism comprises a driving motor (4) and a standard ball screw (7) which are fixedly arranged on the base (1), a first supporting component (13) is arranged on the rotating shaft (9), the first supporting component (13) comprises a first sleeve (1301) and a first bearing (1302) sleeved outside the first sleeve (1301), the first bearing (1302) is fixed on the base (1), the first sleeve (1301) is sleeved outside the rotating shaft (9) and is in key connection with the rotating shaft (9), a belt pulley (14) is fixedly arranged outside the first sleeve (1301), the driving motor (4) is in transmission connection with the belt (14) through a transmission belt (15) to drive the rotating shaft (9) to rotate, a nut (702) of the standard ball screw (7) is fixedly arranged on the base (1), a screw (701) of the standard ball screw (7) is coaxially connected with the rotating shaft (701) and is used for driving the standard ball screw (9) to move axially.
10. The grinding and shaping device for the soft metal ball body of claim 9, wherein a second supporting component (12) is arranged on the rotating shaft (9), the second supporting component (12) and the first supporting component (13) are respectively arranged on two sides of the grinding cylinder (11), the second supporting component (12) comprises a second bearing (1202) and a second sleeve (1201) arranged on the inner ring of the second bearing (1202), the second bearing (1202) is fixedly arranged on the base (1), and the rotating shaft (9) is connected with the second sleeve (1201) in a key mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210945825.5A CN115212976A (en) | 2022-08-08 | 2022-08-08 | Grinding and shaping device and method for soft metal ball |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210945825.5A CN115212976A (en) | 2022-08-08 | 2022-08-08 | Grinding and shaping device and method for soft metal ball |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115212976A true CN115212976A (en) | 2022-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210945825.5A Pending CN115212976A (en) | 2022-08-08 | 2022-08-08 | Grinding and shaping device and method for soft metal ball |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0358790A1 (en) * | 1988-09-14 | 1990-03-21 | Chung Yeh Machinery & Hardware Corp. | Milling system |
| JP2002292520A (en) * | 2001-01-23 | 2002-10-08 | Senjo Seiki Kk | Lapping machine and it's operating method |
| JP2005254375A (en) * | 2004-03-10 | 2005-09-22 | Kss Kk | Lapping method of ball screw surface and lapping device for use in it |
| CN208727639U (en) * | 2018-07-04 | 2019-04-12 | 山东汇龙色釉新材料科技有限公司 | A kind of environment-friendly type nano grinding sand mill |
| CN215029434U (en) * | 2020-11-26 | 2021-12-07 | 张家港市鑫港涂装有限公司 | High powder grinder of stability |
-
2022
- 2022-08-08 CN CN202210945825.5A patent/CN115212976A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0358790A1 (en) * | 1988-09-14 | 1990-03-21 | Chung Yeh Machinery & Hardware Corp. | Milling system |
| JP2002292520A (en) * | 2001-01-23 | 2002-10-08 | Senjo Seiki Kk | Lapping machine and it's operating method |
| JP2005254375A (en) * | 2004-03-10 | 2005-09-22 | Kss Kk | Lapping method of ball screw surface and lapping device for use in it |
| CN208727639U (en) * | 2018-07-04 | 2019-04-12 | 山东汇龙色釉新材料科技有限公司 | A kind of environment-friendly type nano grinding sand mill |
| CN215029434U (en) * | 2020-11-26 | 2021-12-07 | 张家港市鑫港涂装有限公司 | High powder grinder of stability |
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