Slurry removing device

Abstract

The utility model relates to the technical field of electronic component processing, and provides a slurry removing device which is used for solving the technical problem that after an electronic component is formed, the removing efficiency of slurry wrapping a conductive material is low. The desizing device comprises a first cutter and a second cutter, the first cutter comprises a first cutter head, the second cutter comprises a second cutter head, the first cutter and the second cutter can move relatively, and the first cutter head and the second cutter head are arranged oppositely. When the first tool and the second tool move to the first position, the distance between the first tool bit and the second tool bit is D, and D is larger than or equal to A and smaller than B; or when the first cutter and the second cutter move to the second position, the distance between the first cutter head and the second cutter head is D, and D is larger than or equal to B. According to the desizing device, by moving the first cutter and the second cutter, the slurry on the pins can be rapidly removed, and operation is easy and convenient. And the device can be repeatedly used for removing the slurry on the pins, so that the removal efficiency of the slurry on the pins is improved.

Description

Technical Field

[0001] The present application relates to the technical field of electronic component processing, and in particular to a desizing device. Background Art

[0002] Electronic components typically incorporate insulating materials such as rubber, ceramic, and plastic to meet insulation, thermal insulation, or shielding requirements. During the component molding process, the insulating material is integrally formed with the conductive material by injecting slurry into a mold. However, a small amount of slurry can overflow from the mold along with the conductive material during the injection process, resulting in a layer of excess solid slurry coating the surface of the conductive material after the electronic component cools and forms. To prevent the impact of solid slurry on the performance of electronic components, existing methods often manually remove the slurry from the conductive material one by one, resulting in low efficiency. Utility Model Content

[0003] The present application provides a desizing device, which aims to solve the technical problem of low efficiency in removing slurry coated on conductive materials after electronic components are formed.

[0004] In some embodiments of the present application, a desizing device is provided for removing slurry coated on a pin, wherein the outer diameter of the pin is A and the outer diameter of the slurry is B;

[0005] The desizing device comprises:

[0006] A first cutting tool includes a first cutting head; and

[0007] A second tool includes a second tool head, wherein the first tool head and the second tool head are movable relative to each other, and the first tool head and the second tool head are arranged opposite to each other;

[0008] Wherein, when the first tool and the second tool move to the first position, the distance between the first tool head and the second tool head is D1, A≤D1<B; or, when the first tool and the second tool move to the second position, the distance between the first tool head and the second tool head is D2, D2≥B.

[0009] In some embodiments, at least one of the first cutting head and the second cutting head has a concave cutting edge;

[0010] When in the first position, the first tool abuts against the second tool, and the first tool head and / or the second tool head form a tool hole at the position of the concave tool edge, and the maximum aperture of the tool hole is Dmax, A≤Dmax<B.

[0011] In some embodiments, both the first cutting head and the second cutting head have the concave cutting edge;

[0012] The shape of the inward concave blade is arc-shaped, and the knife hole is an arc-shaped hole; or the shape of the inward concave blade is V-shaped, and the knife hole is a quadrilateral hole.

[0013] In some embodiments, the first cutting head and the second cutting head are in the shape of an elongated strip;

[0014] At least one of the first cutter head and the second cutter head has a plurality of the concave cutting edges, and the plurality of the concave cutting edges are arranged along the length direction of the first cutter head or the second cutter head. When the first cutter and the second cutter are in contact, a plurality of the cutter holes are formed between the first cutter head and the second cutter head.

[0015] In some embodiments, the desizing device further includes a locking assembly;

[0016] The locking assembly is disposed between the first tool and the second tool. The first tool and the second tool move to the first position and are locked by the locking assembly.

[0017] In some embodiments, the locking assembly includes a locking tongue and a latch;

[0018] The first tool is provided with a first locking hole, the locking tongue is connected to the second tool, and the locking tongue is provided with a second locking hole. When the first tool and the second tool are moved to the first position, the first locking hole is aligned with the second locking hole, and the latch is inserted into the first locking hole and the second locking hole to lock the first tool and the second tool in the first position.

[0019] In some embodiments, the desizing device further includes a guide member;

[0020] At least one of the first tool and the second tool is slidably connected to the guide member, and the guide member is extended along the direction in which the first tool and the second tool move relative to each other.

[0021] In some embodiments, the first tool further includes a first tool holder, and the first tool head is connected to the first tool holder; the second tool further includes a second tool holder, and the second tool head is connected to the second tool holder;

[0022] The guide member passes through the first tool seat and the second tool seat, and the first tool seat and the second tool seat are both slidably connected to the guide member.

[0023] In some embodiments, the desizing device further includes a first stopper and a second stopper;

[0024] The first stopper is connected to the guide member and is located on the side of the first tool holder away from the second tool holder. The second stopper is connected to the guide member and is located on the side of the second tool holder away from the first tool holder. The first tool holder and the second tool holder slide on the guide member and are limited between the first stopper and the second stopper.

[0025] In some embodiments, the desizing device further comprises an elastic member;

[0026] The elastic member is disposed between the first tool and the second tool, so that the first tool and the second tool are reset from the first position to the second position by the elastic force of the elastic member.

[0027] According to the desizing device of the above embodiment, when cleaning slurry from a lead, the first and second cutting tools can be moved to a first position. At this point, because the distance D between the first and second cutting tools is less than the outer diameter B of the slurry, the first and second cutting tools can directly cut the slurry. At the same time, because the distance D between the first and second cutting tools is greater than or equal to the outer diameter A of the lead, the first and second cutting tools will not cut the lead. Thus, the desizing device of the present application can quickly remove slurry from a lead by moving the first and second cutting tools, making operation simple and convenient.

[0028] After the slurry on the pin of a ceramic atomizer core is removed, the first and second cutters can be moved to the second position so that the distance D between the first and second cutter heads is greater than or equal to the outer diameter B of the slurry. At this point, the next ceramic atomizer core to be cleaned can be placed on the desizing device. In this way, the desizing device can be reused, improving the production efficiency of ceramic atomizer cores. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 Schematic diagram of the structure of the ceramic atomizer core;

[0030] Figure 2 This is a schematic diagram of the three-dimensional structure of a desizing device in one embodiment of the present application when the first cutter and the second cutter are located at the first position;

[0031] Figure 3 for Figure 2 Schematic diagram of the CC cross-sectional structure of the medium desizing device;

[0032] Figure 4 for Figure 2 An enlarged structural diagram of the desizing device at position E;

[0033] Figure 5 for Figure 2 A schematic diagram of the three-dimensional structure of the desizing device when the first cutter and the second cutter are located in the second position;

[0034] Figure 6 for Figure 2 Schematic diagram of the exploded structure of the desizing unit;

[0035] Figure 7 for Figure 6 An enlarged structural diagram of the F portion of the middle desizing device;

[0036] Figure 8 This is a schematic diagram of the main structure of the ceramic atomizer core before it is installed in the desizing device;

[0037] Figure 9 This is a schematic diagram of the main structure after the ceramic atomizer core is installed in the desizing device.

[0038] in:

[0039] 1-ceramic atomizer core; 11-pin; 12-slurry; 13-atomizer core body; 2-de-slurrying device; 21-first cutting tool; 211-first cutting head; 212-first cutting seat; 22-second cutting tool; 221-second cutting head; 222-second cutting seat; 231-concave cutting edge; 232-cutting hole; 24-locking assembly; 241-locking tongue; 242-latch pin; 251-first locking hole; 252-second locking hole; 26-guide member; 271-first stop member; 272-second stop member; 28-elastic member. Specific embodiments

[0040] The present application is further described in detail below by means of specific embodiments in conjunction with the accompanying drawings. Similar elements in different embodiments are numbered with associated similar elements. In the following embodiments, many detailed descriptions are provided to enable the present application to be better understood. However, those skilled in the art will readily appreciate that some of the features may be omitted in different circumstances, or may be replaced by other elements, materials, or methods. In some cases, some operations related to the present application are not shown or described in the specification. This is to avoid the core portion of the present application being overwhelmed by excessive descriptions, and for those skilled in the art, it is not necessary to describe these related operations in detail. They can fully understand the related operations based on the description in the specification and the general technical knowledge in the art.

[0041] In addition, the features, operations, or characteristics described in the specification may be combined in any appropriate manner to form various embodiments, and the operational steps involved in each embodiment may be interchanged or adjusted in a manner that is obvious to those skilled in the art. Therefore, the specification and drawings are only for the purpose of clearly describing a particular embodiment and do not imply a required composition and / or sequence.

[0042] The serial numbers assigned to components herein, such as "first," "second," etc., are used solely to distinguish the objects being described and do not convey any sequential or technical meaning. References to "connection" and "coupling" herein, unless otherwise specified, include both direct and indirect connections (couplings).

[0043] Depending on the type of electronic component, insulating materials such as rubber, ceramic, and plastic are often applied to the electronic component to meet functional requirements such as insulation, heat insulation, or shielding. For example, electronic components may include resistors, capacitors, transistors, and other components. This application does not impose any specific restrictions on the specific type of electronic component. During the molding process of the electronic component, excess insulating material may adhere to the conductive material, making it difficult to clean.

[0044] Take the ceramic atomizer core 1 as an example. Figure 1 As shown, the ceramic atomizer core 1 may include a pin 11 and an atomizer core body 13. The atomizer core body 13 is formed by integrally sintering a conductive heating wire and ceramic slurry. The portion of the conductive heating wire exposed from the atomizer core body 13 forms the pin 11. In actual use, the porous ceramic formed by sintering the ceramic atomizer core 1 can be used to adsorb aerosol substrate. When energized, the conductive heating wire generates heat and atomizes the aerosol substrate adsorbed by the porous ceramic to produce aerosol.

[0045] During the molding process of the ceramic atomizer core 1, the pins 11 must first be inserted into the pin holes of the mold, and then slurry is injected into the mold. During slurry injection, a small amount of ceramic slurry will overflow along the pins 11 into the pin holes of the mold. As a result, when the cooled ceramic atomizer core 1 green body is removed from the mold, a layer of excess solid slurry 12 will be coated on the pins 11. Currently, cleaning of the slurry 12 is mostly done manually or by using tools such as tweezers to remove the slurry 12 piece by piece, resulting in low production efficiency of the ceramic atomizer core 1.

[0046] The present application provides a desizing device 2, such as Figures 1 to 4 As shown, the desizing device 2 can be used to remove slurry 12 coated on a lead 11. The outer diameter of the lead 11 is A, and the outer diameter of the slurry 12 is B. The desizing device 2 can include a first cutter 21 and a second cutter 22. The first cutter 21 can include a first cutter head 211, and the second cutter 22 can include a second cutter head 221. The first cutter 21 and the second cutter 22 can move relative to each other, and the first cutter head 211 and the second cutter head 221 are arranged opposite each other. When the first cutter 21 and the second cutter 22 move to the first position, the distance between the first cutter head 211 and the second cutter head 221 is D1, and A≤D1<B; alternatively, when the first cutter 21 and the second cutter 22 move to the second position, the distance between the first cutter head 211 and the second cutter head 221 is D2, and D2≥B.

[0047] In this way, when cleaning the slurry 12 on the pin 11, the first cutter 21 and the second cutter 22 can be moved to the first position. At this time, since the distance D1 between the first cutter head 211 and the second cutter head 221 is less than the outer diameter B of the slurry 12, the first cutter head 211 and the second cutter head 221 can directly cut the slurry 12. At the same time, since the distance D1 between the first cutter head 211 and the second cutter head 221 is greater than or equal to the outer diameter A of the pin 11, the first cutter head 211 and the second cutter head 221 will not cut the pin 11. Therefore, the deslurrying device 2 of the present application can quickly remove the slurry 12 on the pin 11 by moving the first cutter 21 and the second cutter 22, and the operation is simple and convenient.

[0048] After the slurry 12 on the pin 11 of a ceramic atomizer core 1 is removed, the first cutter 21 and the second cutter 22 can be moved to the second position so that the distance D2 between the first cutter head 211 and the second cutter head 221 is greater than or equal to the outer diameter B of the slurry 12. At this point, the next ceramic atomizer core 1 to be cleaned can be placed on the desizing device 2. As a result, the desizing device 2 can be reused, thereby improving the production efficiency of the ceramic atomizer cores 1.

[0049] Among them, the first position refers to the position where the first cutter 21 and the second cutter 22 are close to each other, so that the first cutter head 211 and the second cutter head 221 cut the slurry 12. The second position refers to the position where the first cutter 21 and the second cutter head 22 are away from each other, so that the first cutter head 211 and the second cutter head 221 loosen the ceramic atomizer core 1. In actual use, the first cutter 21 can remain fixed and the second cutter 22 moves relative to the first cutter 21; or, the second cutter 22 remains fixed and the first cutter 21 moves relative to the second cutter 22; or, both the first cutter 21 and the second cutter 22 can move. This application does not impose any special restrictions on whether the first cutter 21 and the second cutter 22 are fixed.

[0050] Furthermore, the desizing device 2 provided herein is not only suitable for cleaning the slurry 12 on the ceramic atomizer core 1, but is also suitable for cleaning excess rubber, ceramic, plastic, and other insulating materials on electronic components such as resistors, capacitors, and transistors. This application does not impose any particular restrictions on the types of electronic components that the desizing device 2 can clean.

[0051] For example, Figure 2As shown, the desizing device 2 can be configured as a rectangular parallelepiped, and the desizing device 2 can have a width direction X, a length direction Y, and a thickness direction Z. The pin 11 of the ceramic atomizer core 1 can be inserted between the first cutter head 211 and the second cutter head 221 in the Z direction, and the first cutter 21 and the second cutter 22 can move relative to each other in the X direction to cut the slurry 12 or loosen the pin 11 of the ceramic atomizer core 1. In other embodiments, the desizing device 2 can also be configured as a cylindrical or elliptical body, etc., and the present application does not impose any special restrictions on the specific shape of the desizing device 2.

[0052] In some embodiments, as Figures 5 to 7 As shown, at least one of the first cutting head 211 and the second cutting head 221 may have a concave cutting edge 231; when in the first position, the first cutting tool 21 abuts against the second cutting tool 22, and the first cutting head 211 and / or the second cutting head 221 forms a cutting hole 232 at the position of the concave cutting edge 231, and the maximum aperture of the cutting hole 232 is Dmax, A≤Dmax<B.

[0053] Thus, when it is necessary to cut the slurry 12, it is only necessary to move the first cutter 21 and the second cutter 22 so that the first cutter 21 and the second cutter 22 are in contact with each other, and the cutter hole 232 formed between the first cutter head 211 and the second cutter head 221 at the position of the concave blade 231 can be used to cut the slurry 12, which is easy to operate. In addition, the pin 11 can be fixed by the concave blade 231 to avoid the problem of the pin 11 affecting the cutting position due to displacement during cutting. Among them, the concave blade 231 can be set on the first cutter head 211, or on the second cutter head 221, or on both the first cutter head 211 and the second cutter head 221. The present application does not impose any special restrictions on the specific position of the concave blade 231.

[0054] In other embodiments, the first cutter head 211 and the second cutter head 221 may also adopt a straight blade structure, thereby eliminating the need for a concave blade edge 231. In this case, an abutment block may be provided on at least one of the first cutter 21 and the second cutter 22. When the first cutter 21 and the second cutter 22 abut against each other, the abutment block maintains a distance D between the first cutter head 211 and the second cutter head 221, where A≤D<B, and the slurry 12 can also be cut. This application does not impose any special restrictions on whether a concave blade edge 231 is provided on the first cutter head 211 and the second cutter head 221.

[0055] In some embodiments, as Figure 4 As shown, the first blade head 211 and the second blade head 221 can both have a concave blade edge 231; the shape of the concave blade edge 231 can be arc-shaped, and the blade hole 232 can be an arc-shaped hole; or, the shape of the concave blade edge 231 can be V-shaped, and the blade hole 232 can be a quadrilateral hole.

[0056] The shape of the concave blade 231 is set to an arc, so that when the first blade 21 and the second blade 22 abut, the pin 11 can automatically find its center under the clamping force between the first blade head 211 and the second blade head 221, thereby fixing the pin 11 in the arc-shaped blade hole 232, which facilitates the deslurry device to quickly and accurately cut the slurry 12. Similarly, when the shape of the concave blade 231 is set to be V-shaped, the pin 11 can also automatically find its center and be fixed in the quadrilateral blade hole 232. This application does not impose any special restrictions on the specific shape of the concave blade 231.

[0057] In some embodiments, as Figures 4 to 7 As shown, the shape of the first cutting head 211 and the second cutting head 221 can be long strips; at least one of the first cutting head 211 and the second cutting head 221 has a plurality of concave cutting edges 231, and the plurality of concave cutting edges 231 are arranged along the length direction of the first cutting head 211 or the second cutting head 221. When the first cutting tool 21 and the second cutting tool 22 are in contact with each other, a plurality of cutting holes 232 are formed between the first cutting head 211 and the second cutting head 221.

[0058] For example, the first cutting head 211 and the second cutting head 221 can be provided with multiple concave cutting edges 231 along the Y direction. When the first cutting head 21 and the second cutting head 22 abut against each other, multiple cutting holes 232 can be simultaneously formed on the desizing device 2. As a result, the pins 11 of multiple ceramic atomizer cores 1 can be respectively inserted into the multiple cutting holes 232, so that the desizing device 2 can simultaneously cut the slurry 12 on multiple pins 11 at one time, thereby improving the production efficiency of the ceramic atomizer cores 1.

[0059] In some embodiments, as Figure 6 As shown, the desizing device 2 may further include a locking assembly 24 ; the locking assembly 24 is disposed between the first cutter 21 and the second cutter 22 , and the first cutter 21 and the second cutter 22 move to the first position and are locked by the locking assembly 24 .

[0060] By providing a locking assembly 24 between the first and second cutting tools 21, 22, the first and second cutting tools 21, 22 can be locked and fixed in the first position. When the first and second cutting tools 211, 221 cut the slurry 12 on the pins 11, the ceramic atomizer core 1 can be simply pulled along the Z direction to scrape the slurry 12 on the pins 11 with the help of the first and second cutting tools 211, 221, thereby completely removing the slurry 12 on the pins 11 and ensuring the production quality of the ceramic atomizer core 1.

[0061] In some embodiments, as Figure 6As shown, the locking assembly may include a locking tongue 241 and a latch 242; the first tool 21 may be provided with a first locking hole 251, the locking tongue 241 is connected to the second tool 22, and the locking tongue 241 may be provided with a second locking hole 252. When the first tool 21 and the second tool 22 move to the first position, the first locking hole 251 is aligned with the second locking hole 252, and the latch 242 is inserted into the first locking hole 251 and the second locking hole 252 to lock the first tool 21 and the second tool 22 in the first position.

[0062] When cutting the slurry 12, the slurry 12 is cut when the first cutter 21 and the second cutter 22 abut against each other, and the first locking hole 251 is aligned with the second locking hole 252. At this time, the deslurry removal device 2 can be locked by simply inserting the latch 242 into the first locking hole 251 and the second locking hole 252. To unlock, the latch 242 can be pulled out, which is easy to operate.

[0063] In other embodiments, a locking mechanism such as a snap or thread can be provided between the first and second cutters 21, 22. For example, a connector can be provided on the first cutter 21, and a connecting groove can be provided on the second cutter 22. When the first and second cutters 21, 22 are moved to the first position, they can be locked by the engagement of the connector with the connecting groove. Alternatively, the first and second cutters 21, 22 can be moved by a threaded drive, thereby locking the first and second cutters 21, 22. This application does not impose any particular restrictions on the specific structure of the locking assembly.

[0064] In some embodiments, as Figure 6 As shown, the desizing device 2 may further include a guide member 26 ; at least one of the first cutter 21 and the second cutter 22 is slidably connected to the guide member 26 , and the guide member 26 extends along the direction of relative movement of the first cutter 21 and the second cutter 22 .

[0065] The first cutter 21 and the second cutter 22 can be directional moved by the guide member 26 to avoid the first cutter head 211 and the second cutter head 221 from affecting the cutting of the slurry 12 due to misalignment. For example, the guide member 26 can be configured as a guide rod, and the first cutter 21 and the second cutter 22 can be slidably connected to the guide rod respectively. Of course, the guide rod can also be fixedly connected to any one of the first cutter 21 and the second cutter 22, and the other of the first cutter 21 and the second cutter 22 can be slidably connected to the guide rod. This application does not place any special restrictions on the connection method between the first cutter 21, the second cutter 22 and the guide rod.

[0066] In other embodiments, the guide member 26 may also be configured as a structure in which a slide bar on the first cutter 21 slidably cooperates with a slide groove on the second cutter 22, thereby allowing the first cutter 21 and the second cutter 22 to slide relative to each other. This application does not impose any particular restrictions on the specific structure of the guide member 26. In addition, one or more sets of guide members 26 may be provided between the first cutter 21 and the second cutter 22, and this application does not impose any particular restrictions on the specific number of guide members 26 provided.

[0067] In some embodiments, as Figures 3 to 6 As shown, the first tool 21 can also include a first tool seat 212, and the first tool head 211 is connected to the first tool seat 212; the second tool 22 can also include a second tool seat 222, and the second tool head 221 is connected to the second tool seat 222; the guide member 26 passes through the first tool seat 212 and the second tool seat 222, and the first tool seat 212 and the second tool seat 222 are both slidably connected to the guide member 26.

[0068] The first blade seat 212 can support the first blade head 211, and the second blade seat 222 can support the second blade head 221. At the same time, the first blade seat 212 and the second blade seat 222 can also slide with the guide member 26, so that the first blade head 211 and the second blade head 221 can slide relative to each other to avoid misalignment of the first blade head 211 and the second blade head 221.

[0069] In some embodiments, as Figure 6 As shown, the desizing device 2 may further include a first stopper 271 and a second stopper 272; the first stopper 271 may be connected to the guide member 26 and located on the side of the first knife seat 212 away from the second knife seat 222, the second stopper 272 may be connected to the guide member 26 and located on the side of the second knife seat 222 away from the first knife seat 212, the first knife seat 212 and the second knife seat 222 slide on the guide member 26 and are limited between the first stopper 271 and the second stopper 272.

[0070] When the first blade holder 212 and the second blade holder 222 slide on the guide member 26, the first stopper 271 can prevent the first blade holder 212 from detaching from the guide member 26, and the second stopper 272 can prevent the second blade holder 222 from detaching from the guide member 26, thereby preventing the first and second blade heads 211, 221 from detaching from the guide member 26 and causing injuries. The guide member 26 can be fixedly connected to the first stopper 271, and the second stopper 272 can be detachably connected to the guide member 26 via threads or snaps, so that the first and second blades 21, 22 can be mounted on the guide member 26. This application does not impose any particular restrictions on the connection between the first stopper 271, the second stopper 272, and the guide member 26.

[0071] In some embodiments, as Figure 3 and Figure 6 As shown, the desizing device 2 may further include an elastic member 28 ; the elastic member 28 may be disposed between the first cutter 21 and the second cutter 22 so that the first cutter 21 and the second cutter 22 are reset from the first position to the second position by the elastic force of the elastic member 28 .

[0072] Thus, when the pin 242 is pulled out, the first cutter 21 and the second cutter 22 can be reset from the first position to the second position under the elastic force of the elastic member 28, so that the ceramic atomizer core 1 after cleaning the slurry 12 can be easily removed. Among them, the elastic member 28 can be a spring, which can be sleeved on the guide rod. In other embodiments, the elastic member 28 can also be made of a material with elastic force such as a torsion spring or elastic rubber. This application does not impose any special restrictions on the specific structure of the elastic member 28.

[0073] The above examples are used to illustrate the present invention, which are only used to help understand the present invention and are not intended to limit the present invention. Those skilled in the art of the present invention can make some simple deductions, modifications or substitutions based on the concept of the present invention.

Claims

1. A desizing device, characterized in that: Used to remove the slurry coated on the pin, the outer diameter of the pin is A, and the outer diameter of the slurry is B; The desizing device comprises: A first cutting tool includes a first cutting head; and A second tool includes a second tool head, wherein the first tool head and the second tool head are movable relative to each other, and the first tool head and the second tool head are arranged opposite to each other; Wherein, when the first tool and the second tool move to the first position, the distance between the first tool head and the second tool head is D1, A≤D1<B; or, when the first tool and the second tool move to the second position, the distance between the first tool head and the second tool head is D2, D2≥B.

2. The desizing device according to claim 1, characterized in that: At least one of the first cutting head and the second cutting head has a concave cutting edge; When in the first position, the first tool abuts against the second tool, and the first tool head and / or the second tool head form a tool hole at the position of the concave tool edge, and the maximum aperture of the tool hole is Dmax, A≤Dmax<B.

3. The desizing device according to claim 2, characterized in that: The first cutting head and the second cutting head both have the concave cutting edge; The shape of the inward concave blade is arc-shaped, and the knife hole is an arc-shaped hole; or the shape of the inward concave blade is V-shaped, and the knife hole is a quadrilateral hole.

4. The desizing device according to claim 2, characterized in that: The first blade and the second blade are in the shape of long strips; At least one of the first cutter head and the second cutter head has a plurality of the concave cutting edges, and the plurality of the concave cutting edges are arranged along the length direction of the first cutter head or the second cutter head. When the first cutter and the second cutter are in contact, a plurality of the cutter holes are formed between the first cutter head and the second cutter head.

5. The desizing device according to claim 1, characterized in that: The desizing device further includes a locking assembly; The locking assembly is disposed between the first tool and the second tool. The first tool and the second tool move to the first position and are locked by the locking assembly.

6. The desizing device according to claim 5, characterized in that: The locking assembly includes a lock tongue and a latch; The first tool is provided with a first locking hole, the locking tongue is connected to the second tool, and the locking tongue is provided with a second locking hole. When the first tool and the second tool are moved to the first position, the first locking hole is aligned with the second locking hole, and the latch is inserted into the first locking hole and the second locking hole to lock the first tool and the second tool in the first position.

7. The desizing device according to any one of claims 1 to 6, characterized in that: The desizing device further includes a guide member; At least one of the first tool and the second tool is slidably connected to the guide member, and the guide member is extended along the direction in which the first tool and the second tool move relative to each other.

8. The desizing device according to claim 7, characterized in that: The first tool further comprises a first tool holder, and the first tool head is connected to the first tool holder; the second tool further comprises a second tool holder, and the second tool head is connected to the second tool holder; The guide member passes through the first tool seat and the second tool seat, and the first tool seat and the second tool seat are both slidably connected to the guide member.

9. The desizing device according to claim 8, characterized in that: The desizing device further includes a first stopper and a second stopper; The first stopper is connected to the guide member and is located on the side of the first tool holder away from the second tool holder. The second stopper is connected to the guide member and is located on the side of the second tool holder away from the first tool holder. The first tool holder and the second tool holder slide on the guide member and are limited between the first stopper and the second stopper.

10. The desizing device according to any one of claims 1 to 6, characterized in that: The desizing device further includes an elastic member; The elastic member is disposed between the first tool and the second tool, so that the first tool and the second tool are reset from the first position to the second position by the elastic force of the elastic member.

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