CN213763462U - Wire drawing equipment - Google Patents

Abstract

The utility model relates to a wire drawing equipment, it includes the frame, be provided with wire drawing mechanism and discharge mechanism in the frame, discharge mechanism is located the discharge end, discharge mechanism is including rotating the winding post of connection in the frame and driving winding post pivoted winding motor, be provided with on the winding post and take out the mechanism, take out the mechanism and include horizontal stand, at least two and take out the pole and take out the piece two at least, set up the groove of taking out along vertical direction extension on the winding post, it runs through the winding post along the axis of rotation direction of keeping away from the winding post to take out the groove, the horizontal stand is located directly over the winding post, it sets up on the horizontal stand to take out the pole, it sets up on taking out the pole to take out the piece, it all slides and connects in taking out the inslot with taking out the piece to take out the piece, it wears out the groove along the direction of keeping away from the axis of rotation of winding post to take out the piece. This application has the effect that makes things convenient for the staff to take out the raw materials from the winding post.

Description

Wire drawing equipment

Technical Field

The application relates to the field of umbrella rib processing, in particular to wire drawing equipment.

Background

In the process of processing the umbrella ribs, a wire drawing machine is needed, the wire drawing machine is small continuous production equipment consisting of a plurality of drawing heads, and the steel wire is drawn to the required specification by drawing step by step and placing the drawing heads in a water tank.

Referring to the related art of fig. 1, the wire drawing machine includes frame 2, be provided with wire drawing mechanism 3 in the frame 2, wire drawing mechanism 3 includes four step pulleys, mould type subassembly 36 and driving motor 35, be provided with discharge mechanism 1 in the frame 2, discharge mechanism 1 includes winding post 11 and drives winding post 11 pivoted winding motor 12, winding post 11 is vertical to be set up and rotates the connection in frame 2, be provided with lubricating mechanism in the frame 2, lubricating mechanism includes lubricated case 51, lubricated case 51 sets up in frame 2, lubricated case 51 is used for placing the wire drawing powder, all set up the lubrication hole 52 that supplies the steel wire to pass on the relative lateral wall of lubricated case 51.

The steel wire inlet end of the wire drawing machine is a feeding end, and the steel wire outlet end of the wire drawing machine is a discharging end.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: because the raw materials are tightly wound on the winding column, when workers take out the raw materials wound on the winding column, the raw materials are difficult to take out from the winding column.

SUMMERY OF THE UTILITY MODEL

In order to make things convenient for the staff to take out the raw materials from the winding post, the application provides a wire drawing equipment.

The application provides a wire drawing equipment adopts following technical scheme:

the utility model provides a wire drawing equipment, includes the frame, be provided with wire drawing mechanism and discharge mechanism in the frame, discharge mechanism is located the discharge end, discharge mechanism is including rotating the winding post of connection in the frame and driving winding post pivoted winding motor, be provided with on the winding post and take out the mechanism, take out the mechanism and include horizontal stand, at least two take out the pole and take out two at least pieces, set up the groove of taking out along vertical direction extension on the winding post, it runs through the winding post along the axis of rotation direction of keeping away from the winding post to take out the groove, the horizontal stand is located directly over the winding post, it sets up on the horizontal stand to take out the pole, it sets up on taking out the pole to take out the piece, it all slides and connects in taking out the inslot with taking out the piece, it wears out the groove along the direction of keeping away from the axis of rotation of winding post to take out the piece.

By adopting the technical scheme, when winding, the taking-out rod rotates together with the winding column through the taking-out groove, and the raw material is wound on the winding column and positioned above the taking-out block; when needs take out the raw materials of winding on the winding post, operating personnel drives through vertical pulling horizontal stand and takes out the pole rebound, takes out the piece and contradicts with the raw materials through vertical pulling horizontal stand to make things convenient for operating personnel to take out the raw materials of winding on the winding post.

Optionally, the taking-out rod is rotatably connected to the horizontal frame, a driving member for driving the taking-out rod to approach each other is arranged between the horizontal frame and the taking-out rod, the driving member includes a driving rod, a connecting rod, a sliding sleeve, an upper limiting plate and a lower limiting plate, the driving rod is vertically connected to the horizontal frame in a sliding manner, the lower end of the driving rod penetrates between the taking-out rods, the upper limiting plate is arranged at the upper end of the driving rod, the lower limiting plate is arranged at the lower end of the driving rod, the sliding sleeve is sleeved on the driving rod, and the sliding sleeve is located between the horizontal frame and the lower limiting plate; one end of the connecting rod is rotatably connected to the sliding sleeve, and the other end of the connecting rod is rotatably connected to the taking-out rod.

By adopting the technical scheme, when the raw material needs to be taken out of the winding column, an operator drives the winding column to vertically move upwards through the horizontal frame, and the taking-out block is abutted against the raw material, so that the raw material is taken out of the winding column; after taking out, operating personnel slides on the horizontal stand through driving the actuating lever, and lower limiting plate is contradicted with the cover that slides, and the cover that slides removes along the direction that is close to the horizontal stand, and the cover that slides drives through the connecting rod and takes out the pole and be close to each other, realizes breaking away from with the raw materials taking out the piece, makes things convenient for the staff to take out the raw materials from taking out the pole.

Optionally, the distance between the two groove side walls of the taking-out groove is gradually shortened along the vertical downward direction, and a chamfer is arranged at the joint between the taking-out rod and the taking-out block.

Through adopting above-mentioned technical scheme, when will take out the pole and slide and move into and take out the groove, take out the pole, take out the chamfer and the winding post of piece junction and contradict, take out the groove and take out the pole inconsistent, will take out the pole and take out the piece direction and slide and go into and take out the inslot, make things convenient for the staff to take out the pole and take out the piece and slide and go into and take out the inslot.

Optionally, a height limiting device for limiting the height of the raw material wound on the winding column is arranged on the rack, the height limiting device comprises a height limiting ring and an adjusting rod, the adjusting rod is connected to the rack in a threaded manner, the adjusting rod is located at the discharge end, and the height limiting ring is arranged on the adjusting rod.

Through adopting above-mentioned technical scheme, the accessible rotates the regulation pole during the use to adjust the height of limit for height ring, thereby change the winding height of raw materials on the winding post, reduced the raw materials and twined the condition emergence in the mistake on the winding post.

Optionally, a lubricating mechanism is arranged on the rack and comprises a lubricating box, two lubricating holes for raw materials to pass through are formed in the lubricating box, and the lubricating box is used for placing a lubricant.

Through adopting above-mentioned technical scheme, the raw materials passes lubricated case through two lubrication holes, makes subsidiary lubricated thing on the raw materials, reduces the friction of raw materials when moulding the type subassembly, has reduced the condition emergence that the raw materials blocked on moulding the type subassembly.

Optionally, the frame is connected with the collection box along the raw materials moving direction that slides, the collection box is located lubricated case under, be provided with the retaining member of collecting box locking in the frame between collection box and the frame.

Through adopting above-mentioned technical scheme, when pouring the wire drawing powder into lubricated case, the wire drawing powder that drops from lubricated case will fall into to collecting in the box, when the wire drawing powder in the box will be collected to needs and recycle, only need will collect the box through the retaining member and loosen, drive and collect the box and slide out from the frame, realize collecting the wire drawing powder in the box, reduce the waste of wire drawing powder.

Optionally, the dovetail groove that extends along raw materials moving direction is seted up in the frame, the retaining member includes dovetail block and locking bolt, dovetail block slides and connects in the dovetail groove, locking bolt passes and collects box and threaded connection on dovetail block, the locking bolt afterbody is inconsistent with the tank bottom of dovetail groove.

By adopting the technical scheme, when the collecting box needs to be slid out of the rack, the locking bolt only needs to be unscrewed, so that the dovetail block and the groove side wall of the dovetail groove are loosened, and the collecting box is slid out of the rack; when the collecting box is fixedly arranged on the rack, the locking bolt is screwed down only, and the locking bolt drives the dovetail block to be abutted against the side wall of the groove of the dovetail groove, so that the collecting box is fixedly arranged on the rack.

Optionally, the lubricating box is rotatably connected to the frame, an adjusting mechanism is arranged between the lubricating box and the frame, the adjusting mechanism comprises an adjusting screw, an adjusting nut and a damping spring for maintaining the inclination angle of the lubricating box, and the frame is provided with a waist-shaped through hole extending along the moving direction of the raw materials; one end of the adjusting screw rod is rotatably connected to the lubricating box, the other end of the adjusting screw rod penetrates through the rack through the waist-shaped through hole, the adjusting nut is in threaded connection with the adjusting screw rod, and the adjusting nut is located right below the waist-shaped through hole.

By adopting the technical scheme, when the height of the raw material is gradually reduced along the moving direction of the raw material, the inclination angle of the lubricating box can be adjusted by rotating the adjusting nut; the collision that during operation raw materials and lubrication hole produced cushions through damping spring, has reduced the noise, has further reduced the damage of raw materials and lubrication hole.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the raw materials are taken out of the winding column by an operator through the taking-out mechanism, and the raw materials are taken out of the taking-out rod by the driving piece conveniently;

2. the collection box is used for collecting the redundant wire drawing powder, so that the waste of the wire drawing powder is reduced;

3. through rotating adjusting nut, adjust the inclination of lubricated case, reduce the damage of raw materials and lubrication hole.

Drawings

Fig. 1 is a schematic structural view of the related art.

Fig. 2 is a schematic structural diagram of a specific embodiment of the present application.

Fig. 3 is a schematic structural view of the wire drawing mechanism of the present application.

Fig. 4 is an enlarged view at a in fig. 3 of the present application.

Fig. 5 is a schematic structural view of the lubricating mechanism, the adjusting mechanism, and the collecting box of the present application.

Fig. 6 is a schematic structural view of the lubricating mechanism, the adjusting mechanism and the collecting box of the present application, showing the connecting structure of the adjusting mechanism and the second mounting plate.

Fig. 7 is an exploded view of the take-out mechanism of the present application.

Reference numerals: 1. a discharging mechanism; 11. winding the column; 12. winding a motor; 13. taking out of the groove; 14. a take-out mechanism; 141. a horizontal frame; 142. taking out the rod; 143. taking out the block; 2. a frame; 21. a base plate; 22. a water tank; 23. a first mounting plate; 24. a second mounting plate; 25. rotating the base; 26. a waist-shaped through hole; 27. a powder discharge through hole; 28. a dovetail groove; 29. a height limiting device; 291. a height-limiting ring; 292. adjusting a rod; 3. a wire drawing mechanism; 31. a first cone pulley; 32. a second cone pulley; 33. a third cone pulley; 34. a fourth cone pulley; 35. a drive motor; 36. molding the assembly; 361. molding a base; 362. molding a lantern ring; 363. a limiting groove; 4. a drive member; 41. a drive rod; 42. a connecting rod; 43. a sliding sleeve; 44. an upper limiting plate; 45. a lower limiting plate; 46. a bracelet; 51. a lubrication box; 52. a lubrication hole; 6. an adjustment mechanism; 61. adjusting the screw rod; 62. adjusting the nut; 63. a damping spring; 7. a collection box; 8. a locking member; 81. a dovetail block; 82. and locking the bolt.

Detailed Description

The present application is described in further detail below with reference to figures 2-7.

The embodiment of the application discloses wire drawing equipment. Referring to fig. 2 and 3, the wire drawing equipment comprises a frame 2, wherein a wire drawing mechanism 3 is arranged on the frame 2, and the raw material is a steel wire; frame 2 includes bottom plate 21, water tank 22, first mounting panel 23 and second mounting panel 24, water tank 22 bottom surface fixed connection is on bottom plate 21 upper surface, the equal fixed connection of first mounting panel 23 and second mounting panel 24 is on water tank 22, first mounting panel 23 is located the pan feeding end, second mounting panel 24 is located under first mounting panel 23, be provided with lubricated mechanism on the first mounting panel 23, bottom plate 21 upper surface is provided with discharge mechanism 1, the last taking out mechanism 14 that is provided with of discharge mechanism 1.

Referring to fig. 2 and 3, the wire drawing mechanism 3 includes four step pulleys, a molding assembly 36 and a driving motor 35, the driving motor 35 is fixedly connected to the upper surface of the bottom plate 21 and located at the feeding end, the four step pulleys are a first step pulley 31, a second step pulley 32, a third step pulley 33 and a fourth step pulley 34, the first step pulley 31 is rotatably connected to the inner side wall of the water tank 22, and the rotating shaft of the first step pulley 31 is parallel to the width direction of the water tank 22; the second cone pulley 32 is coaxially and fixedly connected to the first cone pulley 31; the third cone pulley 33 is rotatably connected to the inner side wall of the water tank 22, the rotating shaft of the third cone pulley 33 is parallel to the width direction of the water tank 22, and the third cone pulley 33 and the first cone pulley 31 are positioned in the same vertical plane; the fourth cone pulley 34 is rotatably connected to the inner side wall of the water tank 22, the rotating shaft of the fourth cone pulley 34 is parallel to the width direction of the water tank 22, and the fourth cone pulley 34 and the second cone pulley 32 are located in the same vertical plane; the first cone pulley 31, the third cone pulley 33 and the fourth cone pulley 34 are sequentially distributed along the length direction of the water tank 22; the driving motor 35 and the first step pulley 31 are in transmission through a conveyor belt, the first step pulley 31 and the third step pulley 33 are in transmission through the conveyor belt, and the third step pulley 33 and the fourth step pulley 34 are in transmission through the conveyor belt.

Referring to fig. 3 and 4, the molding assembly 36 includes a molding base 361 and a molding collar 362, the molding base 361 is fixedly connected to the inner side of the water tank 22, the molding base 361 is located between the first cone pulley 31 and the third cone pulley 33, a plurality of limiting grooves 363 are formed in the molding base 361, the molding collar 362 is located in the limiting grooves 363, the steel wire is wound between the first cone pulley 31 and the third cone pulley 33, and then the steel wire is wound between the second cone pulley 32 and the fourth cone pulley 34 and finally penetrates out of the water tank 22, and the steel wire passes through the molding collar 362.

Referring to fig. 5 and 6, the upper surface of the first mounting plate 23 is fixedly connected with two rotating bases 25, the two rotating bases 25 are distributed along the width direction of the water tank 22, the lubricating mechanism includes a lubricating box 51, a lubricating substance is placed in the lubricating box 51, the lubricating substance includes wire drawing powder, two sides of the lubricating box 51 are respectively connected to the two rotating bases 25 in a rotating manner, lubricating holes 52 are respectively formed in two inner side walls of the lubricating box 51 along the steel wire transportation direction, the steel wire passes through the lubricating box 51 through the two lubricating holes 52, the lubricating box 51 is provided with an adjusting mechanism 6, the adjusting mechanism 6 is located on one side of the rotating base 25 away from the water tank 22, and the first mounting plate 23 is provided with a waist-shaped through hole 26 extending along the length direction of the water tank 22; the adjusting mechanism 6 comprises an adjusting screw 61, an adjusting nut 62 and a damping spring 63, the adjusting screw 61 is vertically arranged, the upper end of the adjusting screw 61 is rotatably connected to the bottom surface of the lubricating box 51, and the lower end of the adjusting screw penetrates through the first mounting plate 23 through the waist-shaped through hole 26; the adjusting nut 62 is in threaded connection with one end of the adjusting screw 61 penetrating through the first mounting plate 23; damping spring 63 overlaps on adjusting screw 61, and damping spring 63 upper end fixed connection is in the bottom surface of lubricated case 51, and the lower extreme is inconsistent with first mounting panel 23 upper surface.

Referring to fig. 5 and 6, a plurality of powder discharge through holes 27 are formed in the first mounting plate 23, two dovetail grooves 28 extending along the steel wire transportation direction are formed in the upper surface of the second mounting plate 24, the two dovetail grooves 28 are distributed along the width direction of the water tank 22, a collection box 7 is arranged on the second mounting plate 24, the collection box 7 is connected in the dovetail grooves 28 in a sliding mode through a locking piece 8, the locking piece 8 comprises a dovetail block 81 and a locking bolt 82, a sliding plate is fixedly connected to the bottom surface of the collection box 7, the dovetail block 81 is connected in the dovetail grooves 28 in a sliding mode, the locking bolt 82 is located on the outer side of the collection box 7, the locking bolt 82 penetrates through the sliding plate and is connected to the dovetail block 81 in a threaded mode.

Referring to fig. 2 and 7, the discharging mechanism 1 includes a winding post 11 and a winding motor 12, the winding motor 12 is fixedly connected in the bottom plate 21, the winding post 11 is rotatably connected on the upper surface of the bottom plate 21, the winding post 11 is located on one side of the water tank 22 departing from the lubricating tank 51, and an output shaft of the winding motor 12 vertically penetrates out of the bottom plate 21 in opposite directions and is coaxially and fixedly connected to the winding post 11.

Referring to fig. 2 and 7, four extraction grooves 13 extending in the vertical direction are formed in the winding post 11, the four extraction grooves 13 are uniformly distributed along the circumferential direction of the winding post 11, the extraction grooves 13 penetrate through the winding post 11 in the direction of the rotation axis away from the winding post 11, and the distance between the side walls of the two grooves of the extraction grooves 13 is gradually shortened in the vertical downward direction.

Referring to fig. 2 and 7, the taking-out mechanism 14 includes a horizontal frame 141, four taking-out rods 142 and four taking-out blocks 143, the four taking-out rods 142 are uniformly distributed along the circumferential direction of the horizontal frame 141, the horizontal frame 141 is located right above the winding column 11, the upper ends of the taking-out rods 142 are rotatably connected to the horizontal frame 141, the taking-out blocks 143 are fixedly connected to the lower ends of the taking-out rods 142, the taking-out rods 142 and the taking-out blocks 143 are vertically slidably connected to the taking-out grooves 13, the taking-out blocks 143 penetrate out of the taking-out grooves 13, and a chamfer is arranged at the joint of the taking-out blocks 143 and the taking-out rods 142.

Referring to fig. 2 and 7, a driving element 4 is disposed between the horizontal frame 141 and the taking-out rod 142, the driving element 4 includes a driving rod 41, four connecting rods 42, a sliding sleeve 43, an upper limiting plate 44 and a lower limiting plate 45, the driving rod 41 is vertically connected to the horizontal frame 141 in a sliding manner, the lower end of the driving rod 41 penetrates through the horizontal frame 141, the lower limiting plate 45 is fixedly connected to the lower end of the driving rod 41, the upper limiting plate 44 is fixedly connected to the upper end of the driving rod 41, the upper limiting plate 44 is located above the horizontal frame 141, a bracelet 46 is fixedly connected to the upper surface of the upper limiting plate 44, the sliding sleeve 43 is sleeved on the driving rod 41 and located between the horizontal frame 141 and the lower limiting plate 45, the four connecting rods 42 are uniformly distributed along the circumferential direction of the sliding sleeve 43, one end of each connecting rod 42 is rotatably connected to the side surface of the sliding sleeve 43, and the other end of each connecting rod is rotatably connected to the surface of the taking-out rod 142, which is close to the driving rod 41; when the upper limit plate 44 abuts against the horizontal shelf 141, the four connecting rods 42 are positioned on the same horizontal plane, and the connecting rods 42 are perpendicular to the take-out rod 142.

Referring to fig. 2 and 7, a height limiting device 29 is arranged between the winding post 11 and the water tank 22, the height limiting device 29 comprises a height limiting ring 291 and an adjusting rod 292, the adjusting rod 292 is vertically arranged, the lower end of the adjusting rod 292 is in threaded connection with the bottom plate 21, and the height limiting ring 291 is fixedly connected to the upper end of the adjusting rod 292.

The implementation principle of the wire drawing equipment in the embodiment of the application is as follows: the steel wire is drawn step by step through the wire drawing mechanism 3, and finally the steel wire is drawn to the required size, and the winding motor 12 drives the winding column 11 to rotate so as to wind the formed steel wire on the winding column 11; when needs take out the steel wire from winding post 11, the vertical horizontal bracket 141 that upwards lifts up of operating personnel takes out piece 143 and steel wire conflict to take out the steel wire from winding post 11, later remove along the direction that is close to horizontal bracket 141 spacing plate 45 down through bracelet 46, spacing plate 45 conflicts with slip cover 43 down, drives four through four connecting rods 42 and takes out pole 142 and be close to each other, makes things convenient for operating personnel to take out the steel wire from four taking out poles 142.

When the inclination angle of the lubrication box 51 needs to be adjusted, the inclination angle of the lubrication box 51 can be adjusted by rotating the adjusting nut 62; when the wiredrawing powder in the collection box 7 needs to be taken out, the locking bolt 82 is loosened, so that the collection box 7 is slid out from the second mounting plate 24, and the wiredrawing powder in the collection box 7 is collected.

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 (8)

1. A wire drawing apparatus characterized by: comprises a rack (2), a wire drawing mechanism (3) and a discharging mechanism (1) are arranged on the rack (2), the discharging mechanism (1) is positioned at a discharging end, the discharging mechanism (1) comprises a winding column (11) which is rotatably connected on the rack (2) and a winding motor (12) which drives the winding column (11) to rotate, a taking-out mechanism (14) is arranged on the winding column (11), the taking-out mechanism (14) comprises a horizontal frame (141), at least two taking-out rods (142) and at least two taking-out blocks (143), a taking-out groove (13) which extends along the vertical direction is arranged on the winding column (11), the taking-out groove (13) penetrates through the winding column (11) along the direction of the rotating shaft which is far away from the winding column (11), the horizontal frame (141) is positioned right above the winding column (11), the taking-out rods (142) are arranged on the horizontal frame (141), the taking-out block (143) is arranged on the taking-out rod (142), the taking-out rod (142) and the taking-out block (143) are connected in the taking-out groove (13) in a sliding mode, and the taking-out block (143) penetrates out of the taking-out groove (13) along the direction away from the rotating shaft of the winding column (11).

2. A drawing apparatus as claimed in claim 1, wherein: the taking-out rod (142) is rotatably connected to a horizontal frame (141), a driving part (4) which drives the taking-out rod (142) to be close to each other is arranged between the horizontal frame (141) and the taking-out rod (142), the driving part (4) comprises a driving rod (41), a connecting rod (42), a sliding sleeve (43), an upper limiting plate (44) and a lower limiting plate (45), the driving rod (41) is vertically connected to the horizontal frame (141) in a sliding mode, the lower end of the driving rod (41) penetrates into the taking-out rod (142), the upper limiting plate (44) is arranged at the upper end of the driving rod (41), the lower limiting plate (45) is arranged at the lower end of the driving rod (41), the sliding sleeve (43) is sleeved on the driving rod (41), and the sliding sleeve (43) is located between the horizontal frame (141) and the lower limiting plate (45); one end of the connecting rod (42) is rotatably connected to the sliding sleeve (43), and the other end of the connecting rod is rotatably connected to the taking-out rod (142).

3. A drawing apparatus as claimed in claim 1, wherein: the distance between the two groove side walls of the taking-out groove (13) is gradually shortened along the vertical downward direction, and a chamfer is arranged at the joint between the taking-out rod (142) and the taking-out block (143).

4. A drawing apparatus as claimed in claim 1, wherein: the height limiting device (29) for limiting the height of the raw materials wound on the winding column (11) is arranged on the rack (2), the height limiting device (29) comprises a height limiting ring (291) and an adjusting rod (292), the adjusting rod (292) is in threaded connection with the rack (2), the adjusting rod (292) is located at the discharge end, and the height limiting ring (291) is arranged on the adjusting rod (292).

5. A drawing apparatus as claimed in claim 1, wherein: the lubricating mechanism is arranged on the rack (2) and comprises a lubricating box (51), two lubricating holes (52) for raw materials to pass through are formed in the lubricating box (51), and the lubricating box (51) is used for placing a lubricant.

6. A drawing apparatus as claimed in claim 5, wherein: the improved lubricating device is characterized in that a collecting box (7) is connected to the rack (2) in a sliding mode along the moving direction of raw materials, the collecting box (7) is located under the lubricating box (51), and a locking piece (8) for locking the collecting box (7) on the rack (2) is arranged between the collecting box (7) and the rack (2).

7. A drawing apparatus as claimed in claim 6, wherein: offer dovetail (28) that extend along raw materials moving direction on frame (2), retaining member (8) include dovetail block (81) and locking bolt (82), dovetail block (81) slide and connect in dovetail (28), locking bolt (82) pass and collect box (7) and threaded connection on dovetail block (81), locking bolt (82) afterbody is inconsistent with the tank bottom of dovetail (28).

8. A drawing apparatus as claimed in claim 5, wherein: the lubricating box (51) is rotatably connected to the rack (2), an adjusting mechanism (6) is arranged between the lubricating box (51) and the rack (2), the adjusting mechanism (6) comprises an adjusting screw rod (61), an adjusting nut (62) and a damping spring (63) for maintaining the inclination angle of the lubricating box (51), and a waist-shaped through hole (26) extending along the moving direction of raw materials is formed in the rack (2); one end of the adjusting screw rod (61) is rotatably connected to the lubricating box (51), the other end of the adjusting screw rod penetrates through the waist-shaped through hole (26) to penetrate through the rack (2), the adjusting nut (62) is in threaded connection with the adjusting screw rod (61), and the adjusting nut (62) is located under the waist-shaped through hole (26).

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