CN115583045A

CN115583045A - Extrusion forming process for cutting felt cloth to discharge pulling stress

Info

Publication number: CN115583045A
Application number: CN202211053484.7A
Authority: CN
Inventors: 杨俊�; 张在水; 唐高峰; 吴文凯
Original assignee: Auria Auto Parts Shanghai Co ltd
Current assignee: Auria Auto Parts Shanghai Co ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2023-01-10
Anticipated expiration: 2042-08-30
Also published as: CN115583045B

Abstract

The application discloses felt cutting discharges pulling stress's extrusion technology relates to extrusion's technical field, and it includes following step: conveying the raw material to a stamping device; cutting a force relief hole on the position of the raw material corresponding to the operating platform by a cutting device; conveying the cut raw materials to a stamping device; stamping the raw materials by stamping equipment; the cutting device comprises a cutting part and a workbench, wherein the workbench is slidably provided with a supporting seat which can be close to or far away from the stamping equipment, the top of the workbench is provided with a mounting rack, the cutting part is mounted on the mounting rack and positioned above the supporting seat, the top of the supporting seat is provided with a supporting groove which corresponds to the cutting part and is used for laying raw materials, and the bottom of the supporting groove is communicated with the bottom of the groove wall to provide a cutting hole corresponding to the position of the operating platform. The possibility of cracking in the process of stamping the felt can be reduced.

Description

Extrusion forming process for cutting felt cloth to discharge pulling stress

Technical Field

The application relates to the technical field of extrusion forming, in particular to an extrusion forming process for cutting and discharging pulling stress of felt cloth.

Background

Automotive interior mainly refers to the automobile product that the inside repacking of car used, involves the square face of the inside car, for example car steering wheel cover, car cushion, car callus on the sole etc. all are automotive interior product.

At present, the automotive interior is generally processed by adopting a punch forming process, and during processing, a felt is placed between an upper die and a lower die of a punch, and then the punch is started to extrude the felt.

However, the felt bears large stress in the stamping process, and the felt is easy to crack at the moment, so that the quality of automotive interior trim is affected.

Disclosure of Invention

In order to reduce the possibility of cracking in the process of stamping the felt, the application provides an extrusion forming process for cutting the felt cloth to discharge pulling stress.

The application provides a felt cutting discharges tensile stress's extrusion technology adopts following technical scheme:

an extrusion forming process for discharging pulling stress during felt cutting comprises the following steps:

conveying the raw material to a stamping device;

cutting a force relief hole on the position of the raw material corresponding to the operating platform by a cutting device;

conveying the cut raw materials to a stamping device;

stamping the raw materials by stamping equipment;

the cutting device comprises a cutting part and a workbench, wherein the workbench is slidably provided with a supporting seat which can be close to or far away from the stamping equipment, the top of the workbench is provided with a mounting rack, the cutting part is mounted on the mounting rack and positioned above the supporting seat, the top of the supporting seat is provided with a supporting groove which corresponds to the cutting part and is used for laying raw materials, and the bottom of the supporting groove is communicated with the bottom of the groove wall to provide a cutting hole corresponding to the position of the operating platform.

Through adopting above-mentioned technical scheme, before the raw materials punching press, place the raw materials in the standing groove, workstation drive supporting seat after that moves towards the stamping equipment direction, and when the supporting seat moved to cut the hole and cutting portion just relatively, cutting portion cut the raw materials for the raw materials forms the breach. The supporting seat transmits the cut raw materials to the position close to the stamping equipment, then the raw materials are placed into the stamping equipment for stamping, the stress formed by the raw materials is released at the split part cut out during stamping, the possibility of tearing of the rest parts of the raw materials is favorably reduced, the position of the split is the position of an operation table of the automobile trim, the stress received by the raw materials is released, the split formed by cutting the raw materials forms a hole, and the hole for installing the operation table is not required to be formed in the later period of the automobile trim punched out.

Optionally, the cutting section is an air knife.

Through adopting above-mentioned technical scheme, cut the raw materials through the air knife during the use, air knife simple structure, convenient to use to the sharpness of air knife can be kept.

Optionally, a support frame is arranged at the top of the support seat, two support columns are arranged on the support frame in a vertical sliding manner, the two support columns are respectively connected with a sliding block in a vertical sliding manner, the support columns are provided with power springs for pushing the sliding blocks upwards, the sliding blocks are hinged to connecting columns, the bottoms of the connecting columns are fixedly connected with flattening rollers for flattening the raw materials towards positions far away from the cutting holes, and the support frame is provided with an elastic driving piece for driving the support columns to slide upwards to the flattening rollers and far away from support grooves;

the support frame is provided with drive assembly, drive assembly drive flattening roller butt raw materials and towards keeping away from cutting hole direction promotion raw materials when the supporting seat slides to supporting groove and is close to the cutting part.

Through adopting above-mentioned technical scheme, when the supporting seat moved to the supporting groove and was close to the cutting part, drive assembly drive flattening roller flattened the raw materials, reduced the raw materials because of gravity is absorbed in the possibility of cutting the hole, was favorable to the raw materials to be cut out the length that the breach conformed to the predetermined value.

Optionally, the mounting bracket is including the fixed column that is located the workstation both sides and being fixed in two and accepting the board between the fixed column, drive assembly includes drive column and horizontal post, the support column slides from top to bottom and is provided with the erection column with the spliced pole one-to-one, horizontal post both ends are connected respectively in two relative erection column tops, horizontal top can with accept board bottom sliding contact, the length direction of horizontal post parallels with the slip direction of support column, erection column periphery side cover is equipped with the promotion spring that upwards promotes the horizontal post, the drive column slope sets up and is fixed in horizontal column tip, the drive column can slide in accepting the board and promote the support column downwards, when accepting the board slides in the drive column and is close to the horizontal post the spliced pole top slides in the drive column and keeps away from and accepts board one side.

Through adopting above-mentioned technical scheme, when the supporting seat moved towards being close to stamping equipment, the drive post slided in accepting the board, and the drive support column downstream for the flattening roller can the butt raw materials, and the drive post continues to slide in accepting the board simultaneously, and the spliced pole top slides in the drive post, makes the spliced pole drive the flattening roller towards keeping away from cutting hole direction flattening raw materials, and when accepting the board and sliding in the horizontal column, the raw materials kept the state of being flattened.

Optionally, the top of the connecting column is rotatably connected with a guide wheel.

Through adopting above-mentioned technical scheme, the guide pulley slides in the drive column during the use, is favorable to reducing the resistance that produces among the slip process.

Optionally, the elastic driving part is a driving spring, a moving groove for the support column to slide is formed in the support frame, the driving spring is installed in the moving groove, one end of the driving spring abuts against the support column, and the other end of the driving spring abuts against the groove wall at the bottom of the moving groove.

Through adopting above-mentioned technical scheme, drive spring elastic release during the use upwards promotes the support column, is favorable to making the shakeout roller keep away from the raw materials, makes things convenient for getting of raw materials to put.

Optionally, a limiting column for sleeving a driving spring is fixed on a bottom groove wall of the moving groove, and the top of the limiting column abuts against the supporting column when the flattening roller abuts against the raw material.

Through adopting above-mentioned technical scheme, when restricting post butt support column during the use, shakeout roller butt raw materials for the support column can stop the lapse, makes things convenient for the drive post to drive the spliced pole and overturns.

Optionally, a limiting block is arranged at the bottom of the mounting column and located below the mounting column.

By adopting the technical scheme, the limiting block is abutted against the mounting column when in use, so that the possibility that the mounting column is separated from the supporting column upwards is reduced.

Optionally, the supporting seat sliding connection has the regulating plate that is located the support inslot, the regulating plate have a plurality ofly and with support groove week side cell wall one-to-one, the supporting seat is provided with the adjusting part of control regulating plate sliding position.

By adopting the technical scheme, the size of the supporting groove is adjusted through the adjusting plate during use, and the supporting groove is convenient to adapt to raw materials with different sizes.

Optionally, the adjusting part includes adjusting bolt and regulation post, it is fixed in regulating plate towards support groove cell wall one side to adjust the post, adjust post sliding connection in supporting seat, adjusting bolt and regulation post one-to-one, adjusting bolt threaded connection in supporting seat just can support tightly and adjust the post.

Through adopting above-mentioned technical scheme, rotatory adjusting bolt is until supporting tight regulation post during the use, is favorable to fixed regulating plate.

In summary, the present application includes at least one of the following advantages:

1. when the raw material moves towards the stamping equipment, the cutting part cuts the part of the raw material corresponding to the operating platform, so that the stress formed by the raw material during stamping can be released, and the possibility of cracking of other parts of the raw material is reduced;

2. when the device is used, the raw material is flattened through the flattening roller, and the possibility that the cut length of the raw material exceeds a preset value is reduced.

Drawings

FIG. 1 is an external schematic view of an embodiment of the present application;

FIG. 2 is a schematic cross-sectional view of an embodiment of the present application showing the structure of an adjustment assembly;

FIG. 3 is an internal cross-sectional schematic view of an embodiment of the present application;

FIG. 4 is an enlarged view of portion A of FIG. 3;

fig. 5 is a schematic view showing a state in which the horizontal pole slides on the receiving plate according to the embodiment of the present application.

Reference numerals: 1. a cutting device; 2. a cutting section; 21. an air knife; 3. a work table; 31. a mounting frame; 311. fixing the column; 312. a bearing plate; 32. a table top; 33. supporting legs; 4. a supporting seat; 41. a support groove; 411. cutting holes; 42. a support frame; 421. a moving groove; 422. a drive spring; 423. a restraining post; 424. a column; 43. a support column; 431. mounting a column; 432. a push spring; 433. a limiting block; 434. a chute; 44. a slider; 441. a power spring; 442. a guide block; 45. connecting columns; 451. a guide wheel; 452. a leveling roll; 46. an adjusting plate; 5. a drive assembly; 51. a drive column; 52. a horizontal column; 6. an adjustment assembly; 61. adjusting the bolt; 62. and (4) adjusting the column.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses an extrusion forming process for cutting and discharging pulling stress of felt. Referring to fig. 1, the extrusion molding process for cutting felt to discharge tensile stress comprises the following steps:

firstly, conveying the raw material to a stamping device, wherein the stamping device can be a stamping machine;

then, cutting a force relief hole on the position of the raw material corresponding to the operating platform by using the cutting device 1;

then, conveying the cut raw materials to a stamping device;

finally, stamping the raw material by stamping equipment to form the automotive interior, wherein the position of the force release hole corresponds to the position of an automotive operating platform;

wherein, cutting device 1 includes workstation 3, and workstation 3 includes mesa 32 and sets up in the supporting leg 33 of mesa 32 bottom four corners, and mesa 32 is rectangular structure to the length direction of mesa 32 extends towards stamping equipment direction.

Referring to fig. 1 and 2, the table top 32 is provided with a support seat 4, and the support seat 4 slides along the length direction of the table top 32. When in use, the workbench 3 drives the supporting seat 4 to slide on the table surface 32 to be close to or far away from the punching equipment. The table top 32 is provided with a mounting rack 31, the mounting rack 31 comprises two fixing columns 311 and a bearing plate 312, the two fixing columns 311 are respectively fixed at the middle positions of the two sides of the table top 32 in the length direction, the two ends of the bearing plate 312 are respectively fixed at the tops of the two fixing columns 311, the bearing plate 312 is of a rectangular plate structure, and the length direction of the bearing plate 312 is perpendicular to the length direction of the table top 32. The cutting device 1 further comprises a cutting part 2, the cutting part 2 is an air knife 21, and the air knife 21 is fixed at the middle position of the bottom of the bearing plate 312.

Referring to fig. 1 and 2, a supporting groove 41 is formed in the middle of the top of the supporting base 4, and the raw material is laid and placed in the supporting groove 41 during transportation. The groove wall of the bottom of the supporting groove 41 is provided with a cutting hole 411, and the position of the cutting hole 411 corresponding to the raw material is the position of an operation table of the automobile interior. When the raw material is conveyed, the raw material is laid in the supporting groove 41, then the worktable 3 drives the supporting seat 4 to move towards the stamping equipment, when the raw material passes through the position of the air knife 21 and the air knife 21 is aligned with the cutting hole 411, the air knife 21 starts to cut the raw material, a gap is cut out of the raw material, and the position of the gap is the position of the automotive interior operating platform. When the raw material is punched, the stress generated by punching the raw material is released at the position of the slit cut by the air knife 21, so that the possibility of cracking at other positions of the raw material is reduced, and the stress is released at the position of the slit to form a hole, so that the hole at the position of an operation table is not required to be formed after the automotive interior is punched and formed.

Referring to fig. 2, the supporting seat 4 is slidably connected with a plurality of adjusting plates 46, and the adjusting plates 46 are corresponding to and parallel to the circumferential side walls of the supporting grooves 41. The supporting seat 4 is provided with the adjusting component 6, and the position of the adjusting plate 46 is adjusted through the adjusting component 6 during use, so that the size of the supporting groove 41 can be adapted to raw materials with different sizes.

Referring to fig. 2, the adjusting assembly 6 includes an adjusting bolt 61 and an adjusting column 62, the adjusting column 62 is fixed on one side of the adjusting plate 46 facing the groove wall of the supporting groove 41, the groove wall on the peripheral side of the supporting groove 41 is respectively provided with an adjusting groove, the adjusting column 62 is slidably connected to the adjusting groove, so that the adjusting plate 46 can move towards the direction close to or away from the groove wall of the supporting groove 41. The adjusting bolt 61 has a plurality and with the adjusting post 62 one-to-one, adjusting bolt 61 threaded connection is in supporting seat 4 top position to adjusting bolt 61 can butt adjusting post 62. In use, the adjusting bolt 61 is rotated until it abuts against the adjusting post 62, at which time the position of the adjusting plate 46 is fixed.

Referring to fig. 3 and 4, the supporting frame 42 is disposed on the top of the supporting base 4, the supporting frame 42 includes two sets of symmetrical pillars 424, two pillars 424 are fixed on the top of the supporting base 4, and the supporting slot 41 is located between the two pillars 424. Two stand 424 opposite sides have seted up respectively along the shifting chute 421 of vertical direction extension, sliding connection has support column 43 between two stand 424, and support column 43 is rectangular columnar structure, and the length direction of support column 43 is mutually perpendicular with the length direction of mesa 32 to the both ends of support column 43 are sliding connection respectively in shifting chute 421. The column 424 is provided with an elastic driving member, the elastic driving member is a driving spring 422, the driving spring 422 is installed in the moving slot 421, one end of the driving spring 422 abuts against the bottom of the supporting column 43, and the other end abuts against the bottom slot wall of the moving slot 421. In use, the driving spring 422 is released elastically to push the supporting column 43 to move upwards, so that the top of the supporting column 43 abuts against the top groove wall of the moving groove 421.

Referring to fig. 4, two sliding slots 434 are symmetrically formed in the supporting column 43, the sliding block 44 is disposed on the supporting column 43, and the sliding block 44 slides up and down in the sliding slots 434. The opposite side walls of the sliding block 44 are respectively provided with a guiding block 442, and the opposite side walls of the sliding groove 434 are respectively communicated with a guiding groove, so that the guiding block 442 is slidably connected to the guiding grooves during use, and the possibility that the sliding block 44 is separated from the sliding groove 434 is reduced. The supporting column 43 is provided with a power spring 441, the power spring 441 is installed in the guiding groove, one end of the power spring 441 abuts against the bottom of the guiding block 442, and the other end abuts against the groove wall of the bottom of the guiding groove. When the device is used, the power spring 441 is elastically released to push the slider 44 to slide upwards until the top of the guide block 442 abuts against the top groove wall of the guide groove.

Referring to fig. 4, the holding tank that extends along the prevention direction is seted up at slider 44 middle part, and support column 43 is provided with spliced pole 45, and spliced pole 45 relative both sides lateral wall is fixedly connected with articulated shaft respectively, and two articulated shafts are swivelling joint in the relative both sides cell wall of holding tank respectively, and spliced pole 45 can be close to or keep away from equipment orientation upset, swing towards the punching press in the holding tank during use.

Referring to fig. 4, the bottom of each connecting column 45 is fixedly connected with a leveling roller 452, each leveling roller 452 is aligned with a corner of the edge of the raw material, and in an initial state, the leveling roller 452 is located above the supporting groove 41.

Referring to fig. 4 and 5, the supporting frame 42 is provided with a driving assembly 5, when the supporting base 4 slides to the supporting slot 41 to be close to the cutting portion 2, the driving assembly 5 drives the flattening roller 452 to abut against the raw material and flatten the raw material in a direction away from the cutting hole 411, so as to reduce the possibility that the raw material falls into the cutting hole 411 (the cutting hole 411 is marked in fig. 2) due to gravity and the length of the slit cut by the air knife 21 exceeds a predetermined value.

Referring to fig. 4 and 5, the driving assembly 5 includes a driving column 51 and a horizontal column 52, a plurality of mounting columns 431 are slidably connected to the supporting column 43 up and down, the mounting columns 431 are in one-to-one correspondence with the connecting columns 45, and the mounting columns 431 are located on one side of the connecting columns 45 close to the supporting column 43. The horizontal column 52 has a long column structure, and both ends of the horizontal column 52 are fixed to the tops of two mounting columns 431 on the same side in the longitudinal direction, respectively, and the longitudinal direction of the horizontal column 52 is parallel to the longitudinal direction of the table top 32. The driving columns 51 are two groups and correspond to the horizontal columns 52 one by one, each group of driving columns 51 is two, each driving column 51 is arranged obliquely downwards, one side of the top of each driving column 51 is fixed to one side, close to the stamping equipment, of the horizontal column 52, and an obtuse-angle structure facing the supporting seat 4 is formed between each driving column 51 and the horizontal column 52.

Referring to fig. 4 and 5, a pushing spring 432 is sleeved on the outer periphery of the mounting column 431, a limiting block 433 is fixedly connected to the bottom of the mounting column 431, when in use, the pushing spring 432 pushes the horizontal column 52 upwards until the limiting block 433 abuts against the supporting column 43, and at this time, a certain distance is formed between one side of the driving column 51 facing the supporting seat 4 and the top of the connecting column 45. When the support base 4 slides closer to the press, the driving post 51 approaches the receiving plate 312 until the bottom of the receiving plate 312 slides on the side of the driving post 51 opposite to the support base 4, and at this time, the receiving plate 312 slides downward by pushing the supporting post 43. The restricting column 423 is fixedly connected to the bottom wall of the moving tank 421, the driving spring 422 is fitted around the outer periphery of the restricting column 423, and when the supporting column 43 slides downward until the supporting column 43 abuts against the restricting column 423, the supporting column 43 stops sliding downward, and at this time, the leveling roller 452 abuts against the top of the raw material. Then, the supporting base 4 continues to approach the pressing device, so that the receiving plate 312 continues to slide on the driving post 51, and at this time, the power spring 441 contracts, and the driving post 51 moves downward. The top of the connecting column 45 is rotatably connected with a guide wheel 451, when the guide wheel 451 contacts with the driving column 51 towards one side of the supporting seat 4, the driving column 51 continues to slide downwards, and at the moment, the guide wheel 451 slides on the driving column 51, so that the connecting column 45 swings towards the direction away from the cutting hole 411, and the material is flattened by the flattening roller 452 towards the direction away from the cutting hole 411. Then, when the supporting seat 4 continues to slide toward the stamping apparatus, the bearing plate 312 slides on the horizontal column 52, the material is kept in a flattened state until the material is cut by the air knife 21, the supporting seat 4 drives the material to be away from the air knife 21, at this time, the driving spring 422 is elastically released, the supporting column 43 is pushed to move upwards, the flattening roller 452 is facilitated to be away from the material, and the material is conveniently taken out. When the supporting seat 4 moves away from the stamping device, the driving pillar 51 at one side away from the stamping device is in sliding contact with the bearing plate 312 to drive the supporting pillar 43 to move downwards, so that the supporting seat 4 can be conveniently moved to an initial state.

The implementation principle of the extrusion forming process for cutting and discharging the pulling stress of the felt cloth in the embodiment of the application is as follows:

before the raw materials punching press, put into supporting seat 4 with the raw materials earlier to tentatively shakeout, start workstation 3 after that for supporting seat 4 moves towards stamping equipment, the raw materials is cut when air knife 21, then supporting seat 4 moves when being close to stamping equipment, takes off the raw materials, puts into stamping equipment with the raw materials and carries out the punching press, forms automotive interior.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An extrusion forming process for discharging pulling stress during felt cutting is characterized by comprising the following steps:

conveying the raw material to a stamping device;

cutting a force relief hole on the position of the raw material corresponding to the operating platform through a cutting device (1);

conveying the cut raw materials to a stamping device;

stamping the raw materials by stamping equipment;

cutting device (1) includes cutting part (2) and workstation (3), workstation (3) slide and are provided with supporting seat (4) that can be close to or keep away from stamping equipment, workstation (3) top is provided with mounting bracket (31), install in mounting bracket (31) and be located supporting seat (4) top cutting part (2), supporting groove (41) corresponding and supplying the raw materials to lay with cutting part (2) are seted up at supporting seat (4) top, supporting groove (41) bottom cell wall intercommunication is seted up and is corresponded cutting hole (411) of operation panel position.

2. The extrusion molding process for discharging the pulling stress of the felt cloth according to claim 1, wherein the extrusion molding process comprises the following steps: the cutting part (2) is an air knife (21).

3. The extrusion molding process for felt cutting to discharge pulling stress according to claim 1, wherein: the top of the supporting seat (4) is provided with a supporting frame (42), the supporting frame (42) is provided with two supporting columns (43) in a vertical sliding mode, the two supporting columns (43) are respectively connected with a sliding block (44) in a vertical sliding mode, the supporting columns (43) are provided with power springs (441) for upwards pushing the sliding block (44), the sliding block (44) is hinged with a connecting column (45), the bottom of the connecting column (45) is fixedly connected with a flattening roller (452) for flattening raw materials at a position far away from the cutting hole (411), and the supporting frame (42) is provided with an elastic driving piece for driving the supporting columns (43) to upwards slide to the flattening roller (452) and far away from the supporting grooves (41);

support frame (42) are provided with drive assembly (5), when supporting seat (4) slide to supporting groove (41) and are close to cutting part (2), drive assembly (5) drive flattening roller (452) butt raw materials just keep away from cut hole (411) direction promotion raw materials.

4. The extrusion molding process for felt cutting to discharge pulling stress according to claim 3, wherein: the mounting rack (31) comprises fixing columns (311) located on two sides of the workbench (3) and a bearing plate (312) fixed between the two fixing columns (311), the driving assembly (5) comprises driving columns (51) and horizontal columns (52), the supporting columns (43) are provided with mounting columns (431) corresponding to the connecting columns (45) one by one in a vertically sliding mode, two ends of the horizontal columns (52) are connected to the tops of the two opposite mounting columns (431) respectively, the tops of the horizontal columns (52) can be in sliding contact with the bottom of the bearing plate (312), the length direction of the horizontal columns (52) is parallel to the sliding direction of the supporting columns (43), a pushing spring (432) pushing the horizontal columns (52) upwards is sleeved on the outer peripheral sides of the mounting columns (431), the driving columns (51) are obliquely arranged and fixed to the end portions of the horizontal columns (52), the driving columns (51) can slide on the bearing plate (312) and push the supporting columns (43) downwards, and the bearing plate (312) slides on one side, which is far away from the driving columns (312) when the driving columns (51) slide on the driving columns (51) and are close to the horizontal columns (52).

5. The extrusion molding process of claim 4 for cutting felt to discharge pulling stress, wherein: the top of the connecting column (45) is rotatably connected with a guide wheel (451).

6. The extrusion molding process for felt cutting to discharge pulling stress according to claim 3, wherein: the elastic driving piece is a driving spring (422), a moving groove (421) for the supporting column (43) to slide is formed in the supporting frame (42), the driving spring (422) is installed in the moving groove (421), one end of the driving spring (422) abuts against the supporting column (43), and the other end of the driving spring abuts against the bottom groove wall of the moving groove (421).

7. The extrusion molding process of claim 6 for cutting felt to discharge pulling stress, wherein: and a limiting column (423) sleeved with a driving spring (422) is fixed on the bottom groove wall of the moving groove (421), and the top of the limiting column (423) is abutted against the supporting column (43) when the flattening roller (452) is abutted against the raw material.

8. The extrusion molding process for discharging the pulling stress of the felt according to claim 4, wherein: the mounting column (431) is provided with a limiting block (433) at the bottom, and the limiting block (433) is located below the mounting column (431).

9. The extrusion molding process for felt cutting to discharge pulling stress according to claim 1, wherein: supporting seat (4) sliding connection has regulating plate (46) that is located support groove (41), regulating plate (46) have a plurality ofly and with support groove (41) week side cell wall one-to-one, supporting seat (4) are provided with adjusting part (6) of control regulating plate (46) sliding position.

10. The extrusion molding process of claim 9 for cutting felt to discharge tensile stress, wherein: adjusting part (6) include adjusting bolt (61) and regulation post (62), it is fixed in regulating plate (46) towards supporting groove (41) cell wall one side to adjust post (62), adjust post (62) sliding connection in supporting seat (4), adjusting bolt (61) and regulation post (62) one-to-one, adjusting bolt (61) threaded connection in supporting seat (4) and can support tightly and adjust post (62).