CN219726101U - Cutter flange dismounting device - Google Patents
Cutter flange dismounting device Download PDFInfo
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- CN219726101U CN219726101U CN202320112280.XU CN202320112280U CN219726101U CN 219726101 U CN219726101 U CN 219726101U CN 202320112280 U CN202320112280 U CN 202320112280U CN 219726101 U CN219726101 U CN 219726101U
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- flange
- ejector rod
- cutter
- dismounting device
- rod
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- 230000008878 coupling Effects 0.000 description 7
- 238000010168 coupling process Methods 0.000 description 7
- 238000005859 coupling reaction Methods 0.000 description 7
- 238000005299 abrasion Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Details Of Cutting Devices (AREA)
Abstract
The utility model discloses a cutter flange dismounting device, which relates to the field of machine tool dismounting tools and comprises a connecting assembly and a mandril, wherein the connecting assembly is axially fixed relative to the cutter flange, and the mandril penetrates through the cutter flange to contact with a mandrel; the ejector rod can rotate relative to the connecting component, and when the ejector rod and the connecting component rotate relatively, the ejector rod can apply axial thrust to the connecting component, the end part of the ejector rod is ejected on the mandrel and cannot axially move, and the connecting component drives the cutter disc flange to axially move, so that the connecting component pulls out the cutter disc flange from the mandrel. The device is higher in efficiency when dismantling the blade disc flange to remain the axiality between blade disc flange and the dabber throughout, be difficult for wearing and tearing the blade disc flange, improve the life of blade disc flange.
Description
Technical Field
The utility model relates to the field of machine tool dismounting tools, in particular to a cutter head flange dismounting device.
Background
The dicing saw is used as key equipment for packaging the semiconductor, and the wafer is diced by a dicing blade arranged on a flange of a high-speed spindle cutterhead with air static pressure. Besides the influence of the performance and the technological parameters of the machining precision, one important factor is the precision of the cutter flange. When the cutter head flange is detached and installed, if the operation is improper, the flange is worn, and when the scribing cutter is installed, the scribing cutter is eccentric, so that the machining precision is affected.
When the cutter head flange is replaced, the bolts for fixing the flange are required to be loosened to extend out of a part, then the flange is loosened by a flange dismounting tool, the dismounting tool is dismounted, the bolts are thoroughly removed, and finally the flange is dismounted, so that the repeated operation is performed, the flange is firstly accelerated to be worn, the precision is influenced, and the service life of the flange is not long; and secondly, the method is labor-and time-consuming and has low efficiency.
Therefore, how to reduce the abrasion generated when the cutterhead flange is assembled and disassembled is a technical problem which needs to be solved by the technicians in the field.
Disclosure of Invention
The utility model aims to provide a cutter flange dismounting device which improves cutter flange dismounting efficiency, ensures that the axis of the cutter flange is always parallel to the axis of a mandrel when the cutter flange is pulled out, and reduces abrasion generated when the cutter flange is dismounted.
In order to achieve the above purpose, the utility model provides a cutter flange dismounting device, which comprises a connecting component and a mandril, wherein the connecting component can be axially fixed on a cutter flange, and the mandril can pass through the cutter flange to contact a mandrel;
the ejector rod is connected with the connecting component in a sliding fit mode, and the ejector rod can apply axial thrust to the connecting component so that the connecting component can pull out the cutter head flange from the mandrel.
Optionally, the connection assembly is in threaded connection with the cutterhead flange.
Optionally, the connecting component and the ejector rod are matched through threads, the ejector rod can be propped against the mandrel, and axial acting force is transmitted between the ejector rod and the connecting component through threads.
Optionally, the connection assembly comprises a handle and an outer housing, the handle being rotatable relative to the outer housing;
the handle comprises a holding part and a connecting rod, the holding part is in running fit with the outer shell, and the connecting rod stretches into the outer shell to be in threaded connection with the ejector rod.
Optionally, a channel for guiding the ejector rod to move is arranged on the outer shell, and the connecting rod stretches into the inner cavity of the ejector rod.
Optionally, the outer shell comprises a guiding part and a shaft sleeve which are fixed with each other, and the guiding part is used for installing the ejector rod and the connecting rod;
and the center of the shaft sleeve is provided with an internal thread for connecting the cutter head flange.
Optionally, the ejector rod comprises a guide section for contacting the guide part to realize guide and an ejector section for extending into the mandrel, wherein the outer diameter of the guide section is larger than that of the ejector section.
Optionally, the outer diameter of the handle and the outer diameter of the outer housing are equal.
Optionally, the rear end of the handle is provided with a spherical surface.
Optionally, a bearing for reducing friction is provided between the connecting rod and the outer housing.
The utility model provides a cutter flange dismounting device, which is characterized in that a connecting component is axially fixed relative to a cutter flange, and a mandrel is contacted with the cutter flange by penetrating the cutter flange through a mandril; the ejector rod can rotate relative to the connecting component, and when the ejector rod and the connecting component rotate relatively, the ejector rod can apply axial thrust to the connecting component, the end part of the ejector rod is ejected on the mandrel and cannot axially move, and the connecting component drives the cutter disc flange to axially move, so that the connecting component pulls out the cutter disc flange from the mandrel. The device is higher in efficiency when dismantling the blade disc flange to remain the axiality between blade disc flange and the dabber throughout, be difficult for wearing and tearing the blade disc flange, improve the life of blade disc flange.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a cross-sectional view of a cutter flange dismounting device provided by an embodiment of the utility model;
fig. 2 is a cross-sectional view of a cutter flange disassembling device and a cutter flange according to an embodiment of the present utility model.
The drawings include:
the tool comprises a connecting assembly 1, a handle 11, a holding part 111, a connecting rod 112, an outer shell 12, a guide part 121, a shaft sleeve 122, a push rod 2, a guide section 21, an ejection section 22, a cutter flange 3, a mandrel 4 and a flange screw 5.
Detailed Description
The utility model provides a cutter flange dismounting device, which improves the cutter flange dismounting efficiency, ensures that the axis of the cutter flange is always parallel to the axis of a mandrel when the cutter flange is pulled out, and reduces the abrasion generated when the cutter flange is dismounted.
In order to make the technical solution of the present utility model better understood by those skilled in the art, the following detailed description of the cutterhead flange dismounting device of the present utility model will be given with reference to the accompanying drawings and the specific embodiments.
With reference to fig. 1, the utility model provides a cutter flange dismounting device, which comprises a connecting component 1, a push rod 2 and other structures, wherein the push rod 2 is arranged on the connecting component 1, the connecting component 1 and the push rod 2 are connected with each other, the outer diameter of the push rod 2 is smaller than that of the connecting component 1, and the connecting component 1 and the push rod 2 are coaxially arranged.
The connection assembly 1 can be axially fixed on the cutterhead flange 3, and when the connection assembly 1 and the cutterhead flange 3 are connected relatively, the connection assembly 1 can apply an axial acting force to the cutterhead flange 3, so that the cutterhead flange 3 receives an axial force (left-right direction in fig. 2), and the cutterhead flange 3 has a tendency to be separated from the mandrel 4.
The ejector rod 2 can pass through the cutter flange 3 and contact the mandrel 4, and the external diameter of the ejector rod 2 is smaller, and in combination with fig. 2, the right end of the ejector rod 2 can pass through the through hole in the center of the cutter flange 3 and contact the mandrel 4, and axial interaction force can be generated between the right end of the ejector rod 2 and the mandrel 4. When the ejector pin 2 is inserted to the bottom along the axial insertion mandrel 4, the ejector pin 2 cannot continue to move along the axial direction.
The ejector rod 2 and the connecting component 1 are connected in a sliding fit manner, the ejector rod 2 can move relative to the connecting component 1 along the axial direction, the ejector rod 2 and the connecting component 1 have a trend of axial relative movement, the ejector rod 2 can apply axial thrust to the connecting component 1, and the connecting component 1 applies axial pulling-out acting force to the cutter head flange 3, so that the connecting component 1 pulls out the cutter head flange 3 from the mandrel 4.
The working process of the cutter flange dismounting device of the utility model is described with reference to fig. 2:
the cutter head flange 3 is sleeved on the mandrel 4, the cutter head flange 3 and the mandrel 4 are fixedly connected through the flange screw 5, when the cutter head flange 3 needs to be detached from the mandrel 4, the flange screw 5 is unscrewed, the outer diameter of the ejector rod 2 is approximately equal to the outer diameter of the flange screw 5, and therefore the ejector rod 2 can extend into the installation position of the flange screw 5.
After the flange screw 5 is removed, the ejector rod 2 in the cutter flange removing device of the utility model penetrates through the cutter flange 3 and stretches into the mandrel 4, and the right end of the ejector rod 2 occupies the position of the flange screw 5. The connecting assembly 1 is connected with the cutter head flange 3, and the connecting assembly 1 can transmit axial acting force with the cutter head flange 3. Then driving the ejector rod 2 to axially move the ejector rod 2 relative to the connecting assembly 1, so that the total length of the ejector rod 2 and the connecting assembly 1 is prolonged; because the axial positions of the connecting component 1 and the cutter head flange 3 are relatively fixed, when the right end of the ejector rod 2 is not contacted with the mandrel 4, the ejector rod 2 continuously stretches out rightwards, and the connecting component 1 is not subjected to axial ejection force of the ejector rod 2; when the right end of the ejector rod 2 is contacted with the inner end part of the central hole of the mandrel 4, the ejector rod 2 cannot continue to move axially to the right, the axial position of the ejector rod 2 is kept fixed, the ejector rod 2 applies axial acting force to the connecting component 1, the connecting component 1 further generates axial pulling-out acting force (towards the left side) to the cutter flange 3, and the cutter flange 3 is gradually pulled out of the mandrel 4.
Because coupling assembling 1 is connected in cutterhead flange 3, at the in-process of extracting cutterhead flange 3 along the axial, cutterhead flange 3 only receives coupling assembling 1's axial effort, and cutterhead flange 3 can not take place the skew, and the axis of cutterhead flange 3 is on a parallel with dabber 4's axis all the time promptly, can guarantee that cutterhead flange 3 can not take place wearing and tearing, improves cutterhead flange's life. The device does not need to strike repeatedly when dismantling, and efficiency is higher when dismantling the blade disc flange.
On the basis of the scheme, the connecting assembly 1 and the cutter head flange 3 are connected through threads. In combination with fig. 2, the connecting component 1 is provided with an internal thread, the cutter flange 3 is provided with an external thread, the cutter flange 3 and the connecting component 1 are mutually screwed and connected through the internal thread and the external thread, the cutter flange 3 and the connecting component 1 are ensured to uniformly transmit acting force, and the dismounting is convenient.
It should be noted that the above-mentioned connection assembly 1 and the cutterhead flange 3 are a preferred embodiment through threaded connection, but not limited thereto, and the connection assembly 1 and the cutterhead flange 3 may also be connected by a manner such as a snap-fit connection, and these specific arrangements are included in the scope of the present utility model.
Through screw thread fit between coupling assembling 1 and ejector pin 2, ejector pin 2 can be propped on dabber 4, passes through screw thread transmission axial effort between ejector pin 2 and coupling assembling 1, passes through screw thread structure and passes through axial effort between coupling assembling 1 and ejector pin 2, and when coupling assembling 1 and ejector pin 2 relative rotation, coupling assembling 1 and the holistic axial length of ejector pin 2 change. With reference to fig. 2, when the cutterhead flange 3 needs to be removed, the connection assembly 1 and the ejector rod 2 rotate relatively, and the ejector rod 2 and the connection assembly 1 rotate relatively, so that the ejector rod 2 generates axial acting force on the connection assembly 1. It should be noted that, instead of the threaded connection, the connection assembly 1 and the ejector rod 2 may take other forms, such as a hydraulic rod, and these alternatives can achieve the same extraction effect.
Referring to fig. 1, the connecting assembly 1 of the present utility model includes a handle 11 and an outer housing 12, wherein the handle 11 can rotate relative to the outer housing 12, and the handle 11 and the outer housing 12 can rotate relative to each other but cannot move axially relative to each other, and an operator holds the handle 11 to rotate relative to the outer housing 12 during disassembly.
The handle 11 includes a holding portion 111 and a connecting rod 112, the holding portion 111 and the connecting rod 112 are relatively fixed, the connecting rod 112 and the holding portion 111 are coaxially fixed, the outer diameter of the holding portion 111 is larger than that of the connecting rod 112, the holding portion 111 is located outside the outer shell 12 for holding by hands to apply torque, and the connecting rod 112 can axially extend into the outer shell 12.
The holding part 111 is rotatably connected to the outer shell 12, the holding part 111 is rotatably matched with the outer shell 12, and the connecting rod 112 extends into the outer shell 12 to be in threaded connection with the ejector rod 2. Referring to fig. 1, when the grip 111 is rotated, the entire handle 11 is rotated relative to the outer housing 12, the outer housing 12 is used to connect the cutterhead flange 3, and the outer housing 12 does not rotate relative to each other. When the handle 11 rotates relative to the jack 2, the jack 2 axially extends or retracts relative to the outer housing 12 because the handle 11 does not move axially relative to the outer housing 12, and the jack 2 abuts the spindle 4.
Further, a channel for guiding the ejector rod 2 to move is formed in the outer shell 12, and in combination with fig. 1, the outer diameter of the left end of the ejector rod 2 is larger than that of the right end, a part with the larger outer diameter of the left end of the ejector rod 2 is in sliding contact with the channel formed in the outer shell 12, and the outer surface of the larger part with the larger outer diameter of the left end of the ejector rod 2 can be in contact with the inner surface of the channel to realize guiding. The connecting rod 112 stretches into the inner cavity of the ejector rod 2, a cavity is arranged at the left end of the ejector rod 2, internal threads are arranged on the inner wall of the cavity, and the connecting rod 112 is in threaded connection with the internal threads. Preferably, in order to avoid the rotation of the jack 2 relative to the outer case 12, a guide rail and a rib for guiding may be provided between the outer surface of the jack 2 and the inner wall of the passage of the outer case 12 so that the jack 2 can only make axial relative movement.
The outer case 12 of the present utility model includes a guide portion 121 and a boss 122 fixed to each other, and the boss 122 is fixed to the right end of the guide portion 121 in combination with fig. 1, and the boss 122 may be fixed to the guide portion 121 by welding or by bolting.
The guide part 121 is used for installing the ejector rod 2 and the connecting rod 112, that is, a channel inside the guide part 121 is used for slidably installing the ejector rod 2 and the connecting rod 112, and the guide part 121 is used for providing guidance for the ejector rod 2 and the connecting rod 112 so as to ensure the axial directions of the ejector rod 2 and the connecting rod 112.
The center of the shaft sleeve 122 is provided with an internal thread for connecting the cutter disc flange 3, and the cutter disc flange 3 is connected through the internal thread arranged on the shaft sleeve 122; the sleeve 122 is preferably detachably connected to the guide 121 by bolts, and the sleeve 122 can be replaced independently when worn.
The ejector rod 2 comprises a guide section 21 for contacting the guide part 121 to realize guide and an ejection section 22 for extending into the mandrel 4, wherein the outer diameter of the guide section 21 is larger than that of the ejection section 22, and the outer surface of the guide section 21 can contact the inner surface of a channel arranged inside the guide part 121, so that the axis of the ejector rod 2 is always parallel to the axis of the outer shell 12. The inner core of the guide section 21 is hollow, and the inner wall is provided with an internal thread for screwing the connecting rod 112. The ejector section 22 is a solid cylindrical rod, ensuring sufficient structural strength.
Preferably, the outer diameter of the handle 11 is equal to the outer diameter of the outer shell 12, a smooth transition is formed between the handle 11 and the outer shell 12, no convex part exists on the outer surface to influence the hand feeling, and the handle is more comfortable to hold.
The rear end of the handle 11 is provided with a spherical surface, and as shown in fig. 1, the left end of the handle 11 is provided with a spherical surface, so that the handle can be smoothly attached to the palm during use, and more comfortable use experience is provided.
Preferably, in order to reduce friction, a bearing for reducing friction may be provided between the connection rod 112 and the outer case 12, ensuring that the connection rod 112 rotates more smoothly, reducing wear of the connection rod 112.
When the flange is disassembled, firstly, the flange screw 5 for fixing the cutter flange 3 is thoroughly unscrewed, then the ejector rod 2 is stretched into the screw hole to prop against the bottom of the screw hole, then the front end of the shaft sleeve 122 is slowly screwed on the screw thread of the cutter flange 3, after the front end and the screw thread are well fixed, the handle 11 is finally rotated, the cutter flange 3 is ejected from the mandrel 4 under the action of the screw thread force between the handle 11 and the ejector rod 2, and after the cutter flange 3 is thoroughly ejected, the cutter flange 3 is slowly rotated from the shaft sleeve 122. Therefore, the disassembly is convenient, time and labor are saved, the efficiency of disassembling the cutter head is improved, and the cutter head flange 3 cannot fall off, so that a machine part cannot be damaged. And when the cutter flange 3 is ejected, the cutter flange moves along the central shaft all the time, so that the coaxiality of the cutter flange 3 and the mandrel 4 is maintained, and the abrasion of the cutter flange 3 is reduced. The device has simple structure, is convenient and quick to disassemble and assemble, can improve the efficiency of disassembling the flange, and improves the overall working efficiency; the whole disassembly process works in the coaxial direction, repeated operation is not needed, the abrasion of the flange is greatly reduced, and the service life of the flange is prolonged.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The cutter flange dismounting device is characterized by comprising a connecting component (1) and an ejector rod (2), wherein the connecting component (1) can be axially fixed on a cutter flange (3), and the ejector rod (2) can penetrate through the cutter flange (3) to contact with a mandrel (4);
the ejector rod (2) is connected with the connecting component (1) in a sliding fit mode, and the ejector rod (2) can apply axial thrust to the connecting component (1) so that the connecting component (1) can pull out the cutter head flange (3) from the mandrel (4).
2. The cutterhead flange dismounting device according to claim 1, characterized in that the connection assembly (1) and the cutterhead flange (3) are connected by means of threads.
3. The cutterhead flange dismounting device according to claim 2, characterized in that the connecting assembly (1) and the ejector rod (2) are in threaded fit, the ejector rod (2) can be propped against the mandrel (4), and axial acting force is transmitted between the ejector rod (2) and the connecting assembly (1) through threads.
4. A cutterhead flange dismounting device according to claim 3, characterized in that the connection assembly (1) comprises a handle (11) and an outer housing (12), the handle (11) being rotatable relative to the outer housing (12);
the handle (11) comprises a holding part (111) and a connecting rod (112), the holding part (111) is in running fit with the outer shell (12), and the connecting rod (112) stretches into the outer shell (12) to be in threaded connection with the ejector rod (2).
5. The cutterhead flange dismounting device according to claim 4, characterized in that the outer housing (12) is provided with a channel for guiding the movement of the ejector rod (2), and the connecting rod (112) extends into the inner cavity of the ejector rod (2).
6. The cutterhead flange dismounting device according to claim 5, characterized in that the outer housing (12) comprises a guiding portion (121) and a bushing (122) fixed to each other, the guiding portion (121) being adapted to mount the ejector rod (2) and the connecting rod (112);
the center of the shaft sleeve (122) is provided with internal threads for connecting the cutter head flange (3).
7. The cutterhead flange dismounting device according to claim 6, characterized in that the ejector rod (2) comprises a guiding section (21) for guiding in contact with the guiding portion (121) and an ejector section (22) for extending into the spindle (4), the outer diameter of the guiding section (21) being larger than the outer diameter of the ejector section (22).
8. The cutterhead flange dismounting device according to claim 6, characterized in that the outer diameter of the handle (11) and the outer diameter of the outer housing (12) are equal.
9. A cutterhead flange dismounting device according to claim 8, characterized in that the rear end of the handle (11) is provided as a sphere.
10. The cutterhead flange dismounting device according to claim 8, characterized in that a bearing for reducing friction is arranged between the connecting rod (112) and the outer housing (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320112280.XU CN219726101U (en) | 2023-01-16 | 2023-01-16 | Cutter flange dismounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320112280.XU CN219726101U (en) | 2023-01-16 | 2023-01-16 | Cutter flange dismounting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219726101U true CN219726101U (en) | 2023-09-22 |
Family
ID=88054352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320112280.XU Active CN219726101U (en) | 2023-01-16 | 2023-01-16 | Cutter flange dismounting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219726101U (en) |
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2023
- 2023-01-16 CN CN202320112280.XU patent/CN219726101U/en active Active
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