Cutting mechanism and flushing device

Abstract

The utility model discloses a cutting mechanism and a flushing device, and belongs to the technical field of edge bonding machines. The cutting mechanism comprises a base with a limiting part, a sliding seat which is provided with a buffering part and is arranged on the base in a sliding mode, a buffering air cylinder arranged on the base, a buffering piece, a swing seat rotationally installed on the sliding seat, a first driver installed on the sliding seat, a profiling assembly installed on the sliding seat and a cutter with a saw blade rotationally installed on the swing seat. A first floating connector in transmission connection with the sliding seat is arranged at the output end of the buffering air cylinder, the buffering part is arranged on the limiting part or the buffering part, the output end of the first driver is in transmission connection with the swing seat to drive the swing seat to rotate, and the sliding path of the sliding seat, the rotating axis of the saw blade and the rotating axis of the swing seat are parallel to one another. The first floating connector, the buffering part, the buffering piece and the limiting part are sequentially arranged along the sliding path of the sliding base. Abrasion caused by collision can be avoided, the service life of the cutting mechanism is prolonged, and the cutting quality of the cutting mechanism is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of edge banding machines, in particular to a cutting mechanism and an end trimming device. Background Art

[0002] An edge banding machine is a type of woodworking machinery. Its primary function is to replace manual edge banding procedures: conveying, gluing, cutting, front and back trimming, upper and lower trimming, upper and lower fine trimming, upper and lower scraping, and polishing. These machines are primarily divided into semi-automatic and portable types. During the front and back trimming process, the trimming mechanism is generally used for cutting. During cutting, the backing assembly is first driven along the saw blade's axis of rotation and abuts against the board for positioning. The swinging seat then drives the saw blade to swing and cut the board's edge banding. When the saw blade of an existing cutting mechanism cuts a board, the backing assembly is prone to rigid collision with the board, causing wear on the cutting mechanism, affecting the service life and cutting quality of the cutting mechanism. Utility Model Content

[0003] The purpose of the embodiment of the utility model is to provide a cutting mechanism and an end trimming device, wherein the cutting mechanism can avoid wear caused by collision, thereby improving the service life and cutting quality of the cutting mechanism.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] In one aspect, a cutting mechanism is provided, comprising:

[0006] A base having a limiting portion;

[0007] A sliding seat is slidably mounted on the base; the sliding seat has a buffer portion;

[0008] A buffer cylinder is provided on the base; a first floating joint is provided at the output end of the buffer cylinder, and the buffer cylinder is transmission-connected to the sliding seat via the first floating joint;

[0009] a buffer member, provided on the limiting portion or the buffer portion;

[0010] A swing seat, rotatably mounted on the sliding seat;

[0011] A first driver is mounted on the sliding seat; an output end of the first driver is transmission-connected to the swing seat to drive the swing seat to rotate;

[0012] A profiling assembly is mounted on the sliding seat;

[0013] as well as

[0014] a cutter having a saw blade rotatably mounted on the swing seat;

[0015] The sliding path of the sliding seat, the rotation axis of the saw blade, and the rotation axis of the swing seat are all parallel to each other, and the first floating joint, the buffer part, the buffer member, and the limiting part are arranged in sequence along the sliding path of the sliding seat.

[0016] Optionally, the buffer member includes an abutment block, a spring, and a mounting block installed on the buffer portion; the axis of the spring is parallel to the sliding direction of the sliding seat, one end of the spring is connected to the mounting block, and the other end of the spring is connected to the abutment block, and the limiting portion is located on the moving path of the abutment block.

[0017] Optionally, the mold assembly includes a support plate provided on a sliding seat, a slide slidably provided on the support plate, a mold body slidably provided on the support plate, a second driver installed on the support plate and transmission-connected to the mold body, a first adjustment platform provided on the sliding seat, and a first screw rod rotatably installed on the first adjustment platform; the first screw rod is transmission-connected to the slide, the sliding path of the slide is parallel to the rotation axis of the saw blade, and the sliding direction of the mold body is parallel to the radial direction of the saw blade.

[0018] Optionally, the output end of the second driver is provided with a second floating joint, and the second driver is transmission-connected to the prototype body via the second floating joint.

[0019] Optionally, the prototype assembly further includes a first position indicator mounted on the first adjustment platform.

[0020] Optionally, the cutter includes a second adjustment platform provided on the sliding seat and a second screw rod rotatably mounted on the second adjustment platform; the second screw rod is located on the movement path of the swing seat along the direction away from the mold assembly.

[0021] Optionally, the cutter further comprises a third driver mounted on the swing seat and transmission-connected to the saw blade.

[0022] Optionally, the base includes a substrate, an adjustment plate slidably mounted on the substrate, a third adjustment platform arranged on the adjustment plate, and a third screw rod rotatably mounted on the third adjustment platform; the third screw rod is threadedly connected to the substrate, and the sliding direction of the adjustment plate is perpendicular to the sliding direction of the sliding seat.

[0023] Optionally, a second position indicator is provided on the third adjustment platform.

[0024] On the other hand, a trimming device is provided, comprising a support beam and the above-mentioned cutting mechanism; the base of the cutting mechanism is slidably mounted on the support beam, the sliding direction of the base is parallel to the rotation axis of the saw blade, there are two cutting mechanisms, and the two cutting mechanisms are arranged at intervals along the sliding direction of the base.

[0025] The beneficial effects of the present utility model are as follows: the sliding seat of the cutting mechanism is slidably mounted on the base, and the buffer cylinder is transmission-connected to the sliding seat via a first floating joint. The buffer cylinder provides a damping effect, and when the base moves so that the backing assembly abuts against the plate body, the buffer cylinder can be used to achieve buffering. The buffer member is located on the moving path when the sliding seat drives the backing assembly to move away from the plate. When the backing assembly abuts against the plate, the buffer cylinder can be used to achieve buffering, thereby avoiding a rigid collision between the backing assembly and the plate, thereby preventing damage to the cutting mechanism and the plate body. When the backing assembly leaves the plate, the buffer cylinder is reset, and the buffer member is used to achieve buffering, thereby preventing the cutting mechanism from being worn, thereby improving the service life of the cutting mechanism and the cutting quality of the plate.

[0026] The end trimming device of the present invention adopts the above-mentioned cutting mechanism to realize the cutting of the edge bands on both sides of the plate. During the cutting process, double buffering is achieved by the buffer cylinder and the buffer part, thereby avoiding the wear of the end trimming device caused by collision or resetting of the buffer cylinder, thereby improving the service life and cutting quality of the end trimming device. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The present invention will be described in further detail below with reference to the accompanying drawings and embodiments.

[0028] Figure 1 It is a structural diagram of the cutting mechanism;

[0029] Figure 2 This is an exploded view of the cutting mechanism;

[0030] Figure 3 It is the main view of the cutting mechanism;

[0031] Figure 4 for Figure 3 AA cross-sectional view;

[0032] Figure 5 It is the right side view of the cutting mechanism;

[0033] Figure 6 for Figure 5 Cross-sectional view of BB;

[0034] Figure 7 A cross-sectional view of the rear view of the cutting mechanism.

[0035] Description of the accompanying drawings:

[0036] 11. Base; 12. Sliding seat; 13. Buffer cylinder; 14. Buffer member; 15. Swing seat; 16. First driver; 17. Profiling assembly; 18. Cutter; 19. First floating joint; 20. Second floating joint; 21. Shaft; 22. First mounting seat; 23. Second mounting seat;

[0037] 111. Base plate; 112. Adjustment plate; 113. Third adjustment platform; 114. Third screw rod; 115. Second position indicator; 116. Position limiting unit;

[0038] 121. Buffer portion; 122. Connecting portion;

[0039] 141. Abutment block; 142. Spring; 143. Mounting block;

[0040] 171. Support plate; 172. Slide; 173. Backing plate; 174. Second driver; 175. First adjustment platform; 176. First screw rod; 177. First position indicator; 178. Connecting frame;

[0041] 181. Saw blade; 182. Second adjustment platform; 183. Second screw rod; 184. Third driver. DETAILED DESCRIPTION

[0042] To make the technical problems solved by the present invention, the technical solutions adopted, and the technical effects achieved more clearly, the technical solutions of the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work shall fall within the scope of protection of the present invention.

[0043] In the description of this utility model, unless otherwise expressly specified or limited, the terms "connected," "fixed," "connected," "communicated," "abutted," "clamped," etc. should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integration; mechanical connections, electrical connections; direct connections, or indirect connections through an intermediate medium; internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0044] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0045] In the description herein, it should be understood that terms such as "upper," "lower," "left," and "right" are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely for ease of description and simplified operation. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, the terms "first" and "second" are used solely for descriptive purposes and have no special meaning.

[0046] Throughout this specification, references to terms such as "one embodiment" and "example" indicate that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example.

[0047] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

[0048] Unless specifically stated or defined otherwise, the term “and / or” used in the present invention includes any and all combinations of one or more of the associated listed items.

[0049] For the convenience of description, unless otherwise specified, the up and down directions mentioned below are the same as Figure 3 The up and down directions are consistent with the left and right directions mentioned below. Figure 3 The left and right directions are consistent with the Figure 4 The left and right directions are consistent.

[0050] like Figures 1 to 7As shown, this embodiment provides a cutting mechanism, including a base 11, a sliding seat 12, a buffer cylinder 13, a first floating joint 19, a swing seat 15, a first driver 16, a mold assembly 17, and a cutter 18.

[0051] The base 11 has a limiting portion 116, which extends downward. The sliding seat 12 is slidably mounted on the lower end surface of the base 11 through the cooperation of a guide rail and a slider. The sliding seat 12 has a buffer portion 121 and a connecting portion 122, and the buffer portion 121 and the connecting portion 122 are respectively located on two plates extending upward and spaced apart on the upper surface of the sliding seat 12. The buffer portion 121 and the connecting portion 122 are both located between the upper surface of the sliding seat 12 and the lower surface of the base 11, and the connecting portion 122 and the buffer portion 121 are horizontally spaced apart from left to right. A first mounting seat 22 is provided on the right side of the base 11, and a limiting plate is provided on the left side of the base 11, and the limiting portion 116 is located on the limiting plate. The buffer cylinder 13 is a single-acting cylinder, and the buffer cylinder 13 is in an air-inflated or air-depleted state. In this embodiment, the buffer cylinder 13 is provided on the base 11 through the first mounting seat 22. The output end of the buffer cylinder 13 is provided with a first floating joint 19, and the buffer cylinder 13 is transmission-connected to the sliding seat 12 via the first floating joint 19, and the first floating joint 19 is connected to the connecting portion 122 of the sliding seat 12. The first floating joint 19 has the functions of preventing assembly errors, reducing stress concentration, improving system flexibility, absorbing vibration and impact, preventing damage to the cylinder and other components, and maintaining alignment. The buffer 14 is provided in the limiting portion 116 or the buffer portion 121, and the buffer 14 is elastic. The buffer 14 can be provided in the limiting portion 116 and spaced apart from the buffer portion 121, and the buffer 14 is located on the moving path of the buffer portion 121. The buffer 14 can also be provided in the buffer portion 121 and spaced apart from the limiting portion 116, and the limiting portion 116 is located on the moving path of the buffer 14.

[0052] The swing seat 15 is rotatably mounted on the sliding seat 12. The first driver 16 is mounted on the sliding seat 12. The output end of the first driver 16 is transmission-connected to the swing seat 15 to drive the swing seat 15 to rotate. The first driver 16 can be a cylinder or a motor. Driven by the first driver 16, the swing seat 15 can swing relative to the sliding seat 12, and the cutter 18 has a saw blade 181 rotatably mounted on the swing seat 15. The swinging of the swing seat 15 can drive the rotating saw blade 181 to move closer to or away from the plate body, thereby cutting the edge band of the plate body. The backing assembly 17 is mounted on the sliding seat 12, and the backing assembly 17 is used to abut against the side of the plate body to achieve positioning of the plate body, and then the cutter 18 is used to cut the edge band of the plate body.

[0053] The sliding path of the sliding seat 12, the rotation axis of the saw blade 181, and the rotation axis of the swing seat 15 are all parallel to each other, and the sliding path of the sliding seat 12, the rotation axis of the saw blade 181, and the rotation axis of the swing seat 15 all extend horizontally in the left-right direction. The first floating joint 19, the buffer portion 121, the buffer member 14, and the limit portion 116 are arranged in sequence along the sliding path of the sliding seat 12. The buffer cylinder 13 is connected to the sliding seat 12 through the first floating joint 19, and the limit portion 116 is located on the movement path of the buffer portion 121 of the sliding seat 12 in the direction away from the plate body, so that the cutting mechanism of this embodiment can achieve two-way buffering through the buffer cylinder 13 and the buffer member 14, and play a buffering role when the cylinder contracts rapidly, avoiding rigid collision between the mold assembly 17 and the plate, not only preventing wear of the parts of the cutting mechanism, but also preventing damage to the plate, thereby improving the service life of the cutting mechanism and the cutting quality of the plate. As the base 11 drives the cam assembly 17 toward the plate, the cushioning cylinder 13 provides a buffer, preventing the cam assembly 17 from colliding with the plate, thereby preventing damage to the cutting mechanism and the plate. When the cam assembly 17 leaves the plate, the cushioning cylinder 13 returns to its original position, and the cushioning element 14 provides a buffer, preventing wear on the cutting mechanism and thereby improving the service life of the cutting mechanism and the quality of the plate cut.

[0054] Optionally, the buffer member 14 includes an abutment block 141, a spring 142, and a mounting block 143 mounted on the buffer portion 121. The axis of the spring 142 is parallel to the sliding direction of the sliding seat 12. One end of the spring 142 is connected to the mounting block 143, and the other end of the spring 142 is connected to the abutment block 141. The limiting portion 116 is located on the moving path of the abutment block 141. One end of the spring 142 is mounted on the buffer portion 121 of the sliding seat 12 via the mounting block 143, and the other end of the spring 142 abuts against the limiting portion 116 of the base 11 via the abutment block 141. When the sliding seat 12 drives the backing assembly 17 to abut against one side of the plate body, the abutment block 141 abuts against the limiting portion 116 of the base 11. When the backing assembly 17 is separated from the plate body, the buffer cylinder resets, and the spring 142 is used to achieve buffering. This embodiment utilizes a combination of springs and buffer cylinders to achieve buffering. Existing conventional technologies generally only utilize springs for buffering. This method will produce a harmonic vibration when subjected to impact. This embodiment can utilize the buffer cylinder to offset this harmonic vibration.

[0055] In one embodiment, the backing assembly 17 includes a support plate 171 provided on the sliding seat 12, a slide 172 slidably provided on the support plate 171, a backing body 173 slidably provided on the support plate 171, a second driver 174 mounted on the support plate 171 and transmission-connected to the backing body 173, a first adjustment platform 175 provided on the sliding seat 12, and a first screw rod 176 rotatably mounted on the first adjustment platform 175. The first screw rod 176 is transmission-connected to the slide 172. The sliding path of the slide 172 is parallel to the rotation axis of the saw blade 181, and the sliding direction of the backing body 173 is parallel to the radial direction of the saw blade 181. When in use, the rotation axis of the saw blade 181 is horizontally arranged, and the backing body 173 slides up and down. The backing body 173 is slidably mounted on the slide 172 by means of a guide rail and a slider. By rotating the first screw rod 176, the slide 172 can be driven to slide left and right, and the second driver 174 can be used to drive the backing body 173 to slide up and down. In this way, under the drive of the first screw rod 176 and the second driver 174, the up and down position and the left and right position of the backing body 173 can be adjusted, so that the backing body 173 can adjust its own position according to the cutting position, the type of plate, etc., and the adjustment of the first screw rod 176 and the second driver 174 can avoid interference between the backing body 173 and the saw blade 181. During cutting, the plate first abuts against the backing body 173. The backing body 173 and the saw blade 181 are relatively stationary in the horizontal direction. When the backing body 173 and the plate are in contact, the distance between the saw blade 181 and the plate is fixed. Then, the saw blade 181 is driven by the swinging seat to approach the plate to achieve cutting.

[0056] Furthermore, a second floating joint 20 is provided at the output end of the second actuator 174, through which the second actuator 174 is in transmission connection with the backing body 173. Specifically, the second actuator 174 is a cylinder, the output shaft of which is provided with the second floating joint 20. The backing body 173 is mounted on a connecting bracket 178, to which the second floating joint 20 is connected, and the second actuator 174 drives the backing body 173 to slide up and down.

[0057] Optionally, the backing assembly 17 also includes a first position indicator 177 mounted on the first adjustment platform 175. This first position indicator 177 detects the horizontal displacement of the slide 172 driven by the first screw 176 and outputs the position data on a display screen, facilitating the left-right position adjustment of the backing body 173 by the first screw 176. This first position indicator 177 offers advantages such as easy reading and accurate readings, making it more convenient and practical than a dial handwheel and saving costs.

[0058] In one embodiment, the cutter 18 includes a second adjustment platform 182 provided on the sliding base 12 and a second screw rod 183 rotatably mounted on the second adjustment platform 182. The second screw rod 183 is located on the movement path of the swing base 15 in the direction away from the backing assembly 17. When the cutting mechanism is in operation, the base 11 is located above the plate body, and the plate body is transported from left to right. The backing body 173 slides downward and abuts against the front or rear side of the plate body in the forward direction. Then, the swing base 15 drives the saw blade 181 to swing toward the backing body 173 or the edge band of the plate body to achieve cutting of the edge band of the plate body. When the cutting is completed, the swing base 15 moves a certain distance in the direction away from the backing assembly 17, and then the swing base 15 abuts against the limit seat on the second screw rod 183 to achieve the limit of the swing of the swing base 15.

[0059] Furthermore, the cutter 18 includes a third actuator 184 mounted on the swing base 15 and in transmission connection with the saw blade 181. A shaft 21 is mounted on the sliding base 12. The shaft 21 is mounted to the sliding base 12 via an angular contact bearing and a bearing gland. The swing base 15 is connected to the shaft 21. In this embodiment, the third actuator 184 is a pneumatic cylinder. The third actuator 184 is mounted to the sliding base 12 via a second mounting base 23. The output end of the third actuator 184 is in transmission connection with the swing base 15. The third actuator 184 drives the swing base 15 to swing back and forth.

[0060] In one embodiment, the base 11 includes a base plate 111, an adjustment plate 112 slidably mounted on the base plate 111, a third adjustment platform 113 mounted on the adjustment plate 112, and a third screw 114 rotatably mounted on the third adjustment platform 113. The third screw 114 is threadedly connected to the base plate 111, and the sliding direction of the adjustment plate 112 is perpendicular to the sliding direction of the sliding base 12. By rotating the third screw 114, the adjustment plate 112 slides back and forth relative to the base plate 111, thereby adjusting the position of the mold assembly 17 and the cutter 18 in the front-to-back direction.

[0061] Optionally, a second position indicator 115 is provided on the third adjustment platform 113. This second position indicator 115 detects the horizontal forward and backward displacement of the adjustment plate 112 driven by the fourth screw. This position data is then output on a display screen, facilitating the forward and backward adjustment of the back-end assembly 17 and cutter 18 by the third screw 114. This second position indicator 115 offers easy reading and precise readings, making it more convenient and practical than a dial handwheel, while also saving costs.

[0062] This embodiment also provides a trimming device, including a support beam and a cutting mechanism as described in any of the above embodiments. The base 11 of the cutting mechanism is slidably mounted on the support beam, and the sliding direction of the base 11 is parallel to the rotation axis of the saw blade 181. There are two cutting mechanisms, and the two cutting mechanisms are arranged at intervals along the sliding direction of the base 11. Specifically, the bases 11 of the two cutting mechanisms are both slidably mounted on the support beam along the rotation axis of the saw blade 181. The plate moves along the rotation axis of the saw blade 181 to realize the conveying of the plate. When the plate passes through the first cutting mechanism, the first cutting mechanism moves synchronously with the plate, and then the template body of the cutting mechanism moves downward and abuts against the front side of the plate body in the forward direction along the axis of the saw blade 181. Then the saw blade 181 of the cutter 18 rotates and swings to realize the cutting of the edge band of the plate. After cutting is complete, the first cutting mechanism resets, while the second cutting mechanism moves forward to catch up with the sheet. The backing plate of this cutting mechanism then moves downward and abuts against the rear side of the sheet in the forward direction, along the axis of saw blade 181. Saw blade 181 of cutter 18 then rotates and swings, effectively cutting the edge banding of the sheet. In this way, the two cutting mechanisms work together to cut the edge banding on both sides of the sheet in the forward direction. During the cutting process, the end-trimming device utilizes a double buffer, using the buffer cylinder 13 and the buffer member 14, to improve the end-trimming device's service life and cutting quality.

[0063] The technical principles of the present invention have been described above with reference to specific embodiments. These descriptions are intended solely to illustrate the principles of the present invention and should not be construed in any way as limiting the scope of protection of the present invention. Based on the explanations herein, those skilled in the art will be able to devise other specific implementations of the present invention without inventive effort, and such implementations will fall within the scope of protection of the present invention.

Claims

1. A cutting mechanism, characterized in that: include: A base (11) having a limiting portion (116); A sliding seat (12) is slidably mounted on the base (11); the sliding seat (12) has a buffer portion (121); A buffer cylinder (13) is provided on the base (11); a first floating joint (19) is provided at the output end of the buffer cylinder (13); and the buffer cylinder (13) is transmission-connected to the sliding seat (12) via the first floating joint (19); A buffer member (14) is provided on the limiting portion (116) or the buffer portion (121); A swing seat (15) is rotatably mounted on the sliding seat (12); A first driver (16) is mounted on the sliding seat (12); an output end of the first driver (16) is in transmission connection with the swing seat (15) to drive the swing seat (15) to rotate; A profiling assembly (17) is mounted on the sliding seat (12); as well as A cutter (18) having a saw blade (181) rotatably mounted on the swing seat (15); The sliding path of the sliding seat (12), the rotation axis of the saw blade (181), and the rotation axis of the swing seat (15) are all parallel to each other, and the first floating joint (19), the buffer portion (121), the buffer member (14), and the limiting portion (116) are arranged in sequence along the sliding path of the sliding seat (12).

2. The cutting mechanism according to claim 1, characterized in that: The buffer member (14) comprises a contact block (141), a spring (142), and a mounting block (143) mounted on the buffer portion (121); the axis of the spring (142) is parallel to the sliding direction of the sliding seat (12); one end of the spring (142) is connected to the mounting block (143), and the other end of the spring (142) is connected to the contact block (141); and the limiting portion (116) is located on the moving path of the contact block (141).

3. The cutting mechanism according to claim 2, characterized in that: The backing plate assembly (17) includes a support plate (171) provided on a sliding seat (12), a slide (172) slidably provided on the support plate (171), a backing plate body (173) slidably provided on the support plate (171), a second driver (174) installed on the support plate (171) and transmission-connected to the backing plate body (173), a first adjustment platform (175) provided on the sliding seat (12), and a first screw rod (176) rotatably installed on the first adjustment platform (175); the first screw rod (176) is transmission-connected to the slide (172), the sliding path of the slide (172) is parallel to the rotation axis of the saw blade (181), and the sliding direction of the backing plate body (173) is parallel to the radial direction of the saw blade (181).

4. The cutting mechanism according to claim 3, characterized in that: The output end of the second driver (174) is provided with a second floating joint (20), and the second driver (174) is transmission-connected to the mold body (173) via the second floating joint (20).

5. The cutting mechanism according to claim 3, characterized in that: The profiling assembly (17) further comprises a first position indicator (177) mounted on the first adjustment platform (175).

6. The cutting mechanism according to any one of claims 1 to 5, characterized in that: The cutter (18) comprises a second adjustment platform (182) provided on the sliding seat (12) and a second screw rod (183) rotatably mounted on the second adjustment platform (182); the second screw rod (183) is located on a moving path of the swing seat (15) in a direction away from the backing mold assembly (17).

7. The cutting mechanism according to any one of claims 1 to 5, characterized in that: The cutter (18) further comprises a third driver (184) mounted on the swing seat (15) and transmission-connected to the saw blade (181).

8. The cutting mechanism according to any one of claims 1 to 5, characterized in that: The base (11) comprises a base plate (111), an adjustment plate (112) slidably mounted on the base plate (111), a third adjustment platform (113) mounted on the adjustment plate (112), and a third screw rod (114) rotatably mounted on the third adjustment platform (113); the third screw rod (114) is threadedly connected to the base plate (111), and the sliding direction of the adjustment plate (112) is perpendicular to the sliding direction of the sliding seat (12).

9. The cutting mechanism according to claim 8, characterized in that: The third adjustment platform (113) is provided with a second position display (115).

10. A trimming device, characterized in that: It comprises a support beam and a cutting mechanism as described in any one of claims 1 to 9; the base (11) of the cutting mechanism is slidably mounted on the support beam, the sliding direction of the base (11) is parallel to the rotation axis of the saw blade (181), there are two cutting mechanisms, and the two cutting mechanisms are arranged at intervals along the sliding direction of the base (11).

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