Casting cutter head for improving precision and uniformity of glue layer
By using the combination of the slider blade body and the micrometer spindle in the casting cutting head, the uniformity and accuracy of the glue layer thickness are improved, the adjustment instability caused by the traditional casting cutting cutting head contact method is solved, and the high-precision mechanical structure requirements are met.
Patent Information
- Application Number
- CN202422111665.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-29
- Publication Date
- 2025-08-19
- Estimated Expiration
- 2034-08-29
AI Technical Summary
The contact method between the traditional casting head and the tool holder is opposite to the point, resulting in unstable adjustment of the glue layer thickness and low accuracy, making it difficult to meet the mechanical structural accuracy requirements when the thickness tolerance is <2um.
The slider blade body is used to increase the contact area, and by adjusting the relative distance between the slider blade body and the central axis of the belt screw, it is changed to the slider contacting the slider faces the slider surface. Combined with the precision length measurement of the micrometer spindle and the motor drive, the uniformity and accuracy of the glue layer thickness are improved.
The thickness uniformity and accuracy of the glue layer are improved, and the mechanical structural accuracy requirements are met when the thickness tolerance is less than 2um is met, ensuring the stability of product quality.
Smart Images

Figure CN223236779U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of tape casting cutter heads, in particular to a tape casting cutter head capable of improving the precision and uniformity of a glue layer. Background Art
[0002] Specialized functional tapes used in semiconductor applications place high demands on the uniformity and stability of the adhesive layer. The casting head is a crucial tool for evenly casting the adhesive layer onto the substrate. The design and selection of the casting head influence the uniformity and stability of the adhesive layer and are crucial to product quality. When casting adhesive layers with a thickness tolerance of 2µm or greater, the mechanical precision requirements of the casting head are relatively low. However, when the thickness tolerance is less than 2µm, higher requirements are placed on the mechanical and geometric precision of the casting head structure.
[0003] Traditional casting blades have the following disadvantages:
[0004] When using a traditional casting knife head, the contact between the knife head and the knife seat is point-to-face, and the adjustment of the thickness of the adhesive layer is unstable and has low precision. Utility Model Content
[0005] The purpose of the present invention is to provide a casting cutter head that improves the accuracy and uniformity of the glue layer, so as to solve the problems proposed in the above background technology that when the traditional casting cutter head is used, the contact between the cutter head and the cutter seat is point-to-face, the glue layer thickness adjustment is unstable, and the glue layer accuracy is low.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a casting cutter head for improving the accuracy and uniformity of the glue layer, comprising a processing housing, a height frame is fixedly installed on one side of the top of the processing housing, a rotating mirror roller is rotatably connected to the other side of the top of the processing housing, a processing table is fixedly installed in the middle of the top of the processing housing, a cutter seat is slidably connected to one side of the processing table, a cutter head mechanism is installed in the middle of the cutter seat, the top of the inner wall of the processing table is rotatably connected to the micrometer spindle, the cutter head mechanism comprises a connecting rod and a central shaft with a screw, one end of the connecting rod is fixedly connected to one end of the central shaft with a screw, and a slider cutter body is installed in the middle of the central shaft with a screw.
[0007] Preferably, positioning plates are fixedly installed on both sides of the slider knife body, and positioning holes are opened on both sides of the top of the two positioning plates. The user uses screws to pass through the positioning holes to fix the positioning plates, thereby fixing the position of the slider knife body.
[0008] Preferably, a support ring is installed at one end of the central shaft with the screw, and a limit ring is installed at the other end of the central shaft with the screw. The support ring and the limit ring cooperate with each other to improve the stability of the installation of the cutter head mechanism.
[0009] Preferably, two first locking nuts are installed on the central axis of the screw, respectively located on both sides of the support ring, and two second locking nuts are installed on the central axis of the screw, respectively located on both sides of the limit ring. When the user twists the first locking nut, the thread on the inner wall of the first locking nut matches the thread on the surface of the central axis of the screw, so the first locking nut rotates and translates relative to the central axis of the screw, and the two first locking nuts limit it from both sides of the support ring. When the user twists the second locking nut, the thread on the inner wall of the second locking nut matches the thread on the surface of the central axis of the screw, so the second locking nut rotates and translates relative to the central axis of the screw, and the two second locking nuts limit it from both sides of the limit ring.
[0010] Preferably, the end of the connecting rod close to the central axis of the screw is in contact with the side opposite to the tool holder, and the cutter head mechanism is installed on the tool holder through the connecting rod.
[0011] Preferably, a telescopic rod is installed on the surface of the micrometer spindle, and a micrometer gauge is fixedly installed on the movable end of the telescopic rod. The micrometer gauge intuitively displays the values measured by the micrometer spindle. The movable end of the telescopic rod slides along the fixed end of the telescopic rod to adjust the length of the telescopic rod and adjust the distance between the micrometer gauge and the micrometer spindle.
[0012] Preferably, an assembly plate is fixedly installed on the top of the height frame by screws, a motor base is fixedly installed on the top of the assembly plate, a motor body is fixedly installed on the top of the motor base, and the output end of the motor body is fixedly connected to the end opposite to the micrometer spindle. The motor body is started after being energized, and the motor body drives the micrometer spindle to rotate, and the micrometer spindle performs precise length measurement from the top of the tool head mechanism.
[0013] Compared with the prior art, the beneficial effects of the present invention are:
[0014] The original contact mode is cancelled, and the contact area is increased by setting the slider knife body. The user adjusts the relative distance between the slider knife body and the central axis of the screw rod so that the slider faces the slider surface, so that the thickness of the prepared product glue layer is more uniform and the precision is improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a side view of the utility model;
[0016] Figure 2 It is a side view of the cutter head mechanism of the present utility model.
[0017] In the figure: 1. Processing housing; 2. Height frame; 3. Assembly plate; 4. Motor base; 5. Motor body; 6. Cutter head mechanism; 601. Connecting rod; 602. Center shaft with screw; 603. Support ring; 604. First locking nut; 605. Slider knife body; 606. Positioning plate; 607. Positioning hole; 608. Limiting ring; 609. Second locking nut; 7. Micrometer spindle; 8. Micrometer gauge; 9. Telescopic rod; 10. Rotating mirror roller; 11. Processing table; 12. Cutter holder. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.
[0019] See also Figure 1-2 The utility model provides a casting cutter head for improving the accuracy and uniformity of the glue layer, including a processing shell 1, a height frame 2 is fixedly installed on one side of the top of the processing shell 1, a rotating mirror roller 10 is rotatably connected to the other side of the top of the processing shell 1, a processing table 11 is fixedly installed in the middle of the top of the processing shell 1, a knife seat 12 is slidably connected to one side of the processing table 11, a cutter head mechanism 6 is installed in the middle of the knife seat 12, the top of the inner wall of the processing table 11 is rotatably connected to the micrometer spindle 7, the cutter head mechanism 6 includes a connecting rod 601 and a central shaft with a screw 602, one end of the connecting rod 601 is fixedly connected to one end of the central shaft with a screw 602, and a slider knife body 605 is installed in the middle of the central shaft with a screw 602.
[0020] Positioning plates 606 are fixedly installed on both sides of the slider knife body 605. Positioning holes 607 are opened on both sides of the top of the two positioning plates 606. The user uses screws to pass through the positioning holes 607 to fix the positioning plates 606, thereby fixing the position of the slider knife body 605.
[0021] A support ring 603 is installed at one end of the central shaft with a screw 602, and a limit ring 608 is installed at the other end of the central shaft with a screw 602. The support ring 603 and the limit ring 608 cooperate with each other to improve the stability of the installation of the cutter head mechanism 6.
[0022] Two first locking nuts 604 are installed on the central shaft 602 with the screw, and are respectively located on both sides of the support ring 603. Two second locking nuts 609 are installed on the central shaft 602 with the screw, and are respectively located on both sides of the limiting ring 608. When the user screws the first locking nut 604, the thread on the inner wall of the first locking nut 604 matches the thread on the surface of the central shaft 602 with the screw, so the first locking nut 604 rotates and translates relative to the central shaft 602 with the screw, and the two first locking nuts 604 limit it from both sides of the support ring 603. When the user screws the second locking nut 609, the thread on the inner wall of the second locking nut 609 matches the thread on the surface of the central shaft 602 with the screw, so the second locking nut 609 rotates and translates relative to the central shaft 602 with the screw, and the two second locking nuts 609 limit it from both sides of the limiting ring 608.
[0023] One end of the connecting rod 601 close to the central axis 602 with the screw is in contact with and connected to the side of the tool holder 12 that is directly opposite to the tool holder 12 , and the tool head mechanism 6 is installed on the tool holder 12 through the connecting rod 601 .
[0024] A telescopic rod 9 is installed on the surface of the micrometer spindle 7, and a micrometer gauge 8 is fixedly installed on the movable end of the telescopic rod 9. The micrometer gauge 8 intuitively displays the value measured by the micrometer spindle 7. The movable end of the telescopic rod 9 slides along the fixed end of the telescopic rod 9 to adjust the length of the telescopic rod 9 and adjust the distance between the micrometer gauge 8 and the micrometer spindle 7.
[0025] An assembly plate 3 is fixed to the top of the height frame 2 by screws, a motor base 4 is fixed to the top of the assembly plate 3, a motor body 5 is fixed to the top of the motor base 4, and the output end of the motor body 5 is fixedly connected to the end opposite to the micrometer spindle 7. The motor body 5 is started after being energized, and the motor body 5 drives the micrometer spindle 7 to rotate. The micrometer spindle 7 performs precise length measurement from the top of the tool head mechanism 6.
[0026] When the embodiment of the present application is in use: the cutter head mechanism 6 is installed on the cutter seat 12 through the connecting rod 601, and then the user screws the first locking nut 604, the thread on the inner wall of the first locking nut 604 matches the thread on the surface of the central axis 602 with the screw, so the first locking nut 604 rotates and translates relative to the central axis 602 with the screw, and the two first locking nuts 604 limit the support ring 603 from both sides, and the user screws the second locking nut 609, the thread on the inner wall of the second locking nut 609 matches the thread on the surface of the central axis 602 with the screw, so the second locking nut 609 rotates and translates relative to the central axis 602 with the screw. The shaft 602 rotates and translates, and the two second locking nuts 609 limit it from both sides of the limit ring 608 respectively. The motor body 5 starts after being energized, and the motor body 5 drives the micrometer spindle 7 to rotate. The micrometer spindle 7 performs precise length measurement from the top of the cutter head mechanism 6. The micrometer gauge 8 intuitively displays the value measured by the micrometer spindle 7. The movable end of the telescopic rod 9 slides along the fixed end of the telescopic rod 9 to adjust the length of the telescopic rod 9 and the distance between the micrometer gauge 8 and the micrometer spindle 7 is adjusted. The mirror roller 10 is rotated to contact the cutter head mechanism 6 from the bottom, and the thickness uniformity of the prepared product glue layer is better and the accuracy is improved.
[0027] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A tape casting cutter head for improving the accuracy and uniformity of a glue layer, comprising a processing housing (1), characterized in that: A height frame (2) is fixedly installed on one side of the top of the processing housing (1), a rotating mirror roller (10) is rotatably connected to the other side of the top of the processing housing (1), a processing table (11) is fixedly installed in the middle of the top of the processing housing (1), a tool holder (12) is slidably connected to one side of the processing table (11), a tool head mechanism (6) is installed in the middle of the tool holder (12), the top of the inner wall of the processing table (11) is rotatably connected to a micrometer spindle (7), the tool head mechanism (6) includes a connecting rod (601) and a central shaft with a screw (602), one end of the connecting rod (601) is fixedly connected to one end of the central shaft with a screw (602), and a slider knife body (605) is installed in the middle of the central shaft with a screw (602).
2. The tape casting blade for improving the accuracy and uniformity of the adhesive layer according to claim 1, characterized in that: Positioning plates (606) are fixedly installed on both sides of the slider knife body (605), and positioning holes (607) are opened on both sides of the top of the two positioning plates (606).
3. The tape casting blade for improving the accuracy and uniformity of the glue layer according to claim 1, characterized in that: One end of the central shaft with screw (602) is installed with a support ring (603), and the other end of the central shaft with screw (602) is installed with a limit ring (608).
4. The tape casting blade for improving the accuracy and uniformity of the adhesive layer according to claim 3, characterized in that: Two first locking nuts (604) are installed on the central shaft (602) with screws and are located on both sides of the support ring (603). Two second locking nuts (609) are installed on the central shaft (602) with screws and are located on both sides of the limit ring (608).
5. The tape casting blade for improving the accuracy and uniformity of the glue layer according to claim 1, characterized in that: The end of the connecting rod (601) close to the central axis of the screw (602) is in contact with the side of the knife seat (12) facing the knife seat (12).
6. The tape casting blade for improving the accuracy and uniformity of the glue layer according to claim 1, characterized in that: A telescopic rod (9) is installed on the surface of the micrometer main shaft (7), and a micrometer gauge (8) is fixedly installed on the movable end of the telescopic rod (9).
7. The tape casting blade for improving the accuracy and uniformity of the adhesive layer according to claim 1, characterized in that: An assembly plate (3) is fixedly mounted on the top of the height frame (2) via screws, a motor base (4) is fixedly mounted on the top of the assembly plate (3), a motor body (5) is fixedly mounted on the top of the motor base (4), and an output end of the motor body (5) is fixedly connected to an end facing the micrometer spindle (7).