CN113333592B

CN113333592B - Punching machine head structure

Info

Publication number: CN113333592B
Application number: CN202110582089.7A
Authority: CN
Inventors: 虞丐良
Original assignee: Nanyang Haofan Auto Part Co ltd
Current assignee: Nanyang Haofan Auto Part Co ltd
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2022-12-13
Anticipated expiration: 2041-05-27
Also published as: CN113333592A

Abstract

The invention discloses a punch head structure, which comprises a head bottom plate, wherein first sliding grooves are formed in two sides of the inner wall of the head bottom plate, and a buffer plate is connected to the inner parts of the first sliding grooves in a sliding manner. According to the invention, the device is transferred to one side of the machine head, the limiting screw rod is used for connecting and fixing with the punching machine, random position adjustment can be carried out when the connecting position deviates, the machine head is placed between the two stable clamping plates, the two stable clamping plates clamp the machine head, the adjusting pad is attached and fixed according to the shape of the machine head, when the machine head is punched, the buffer plate is driven to slide in the first chute and the second chute respectively through the elastic force of the first return spring and the second return spring for buffering and punching, the position of a pressing head is reasonably adjusted and fixed, the movable clamping plate is rotated through the rotating shaft, and the adjusting clamping rod is used for stably fixing the punching base according to the elastic force of the third return spring, so that the problem of position error in punching is solved.

Description

Punching machine head structure

Technical Field

The invention is used in the technical field of punching machines, and particularly relates to a punching machine head structure.

Background

The punching machine drives the flywheel through the motor, and drives the crank connecting rod mechanism to enable the sliding block to move up and down through the clutch, so as to drive the drawing die to form the steel plate. The double-acting means that the press is provided with two slide blocks which are an inner slide block and an outer slide block, the inner slide block drives a male die or a female die of a die, the outer slide block drives a blank holder on the die, the blank holder firstly moves to press the edge of a steel plate during drawing, the inner slide block moves to draw again, the design principle is that circular motion is converted into linear motion, the output of a main motor drives a flywheel, a gear, a crankshaft (or an eccentric gear), a connecting rod and the like are driven to rotate through a clutch to achieve the linear motion of the slide blocks, and the motion from the main motor to the connecting rod is circular motion.

The punching machine drives actuating cylinder and drives the pressure head and carry out the punching press when moving to make the punching press position unstable, avoid the punching press to the problem that the position takes place the mistake when can't rationally adjust fixedly to the pressure head position.

Therefore, it is desirable to provide a head structure for a press machine to solve the above problems.

Disclosure of Invention

The invention aims to provide a machine head structure of a punching machine, which is characterized in that a device is transferred to one side of a machine head, a limiting screw rod is used for being connected and fixed with the punching machine, random position adjustment can be carried out when the connecting position deviates, the machine head is placed between two stable clamping plates, the two stable clamping plates clamp the machine head, an adjusting pad is attached and fixed according to the shape of the machine head, when the machine head is punched, a buffer plate is driven to slide in a first sliding groove and a second sliding groove respectively through the elastic force of a first reset spring and a second reset spring for buffering and punching, the position of a pressure head is reasonably adjusted and fixed, a movable clamping plate is rotated through a rotating shaft, and an adjusting clamping rod is used for stably fixing a punching base according to the elastic force of a third reset spring, so that the problem of punching position error is avoided, and the defects in the technology are solved.

In order to achieve the above purpose, the invention provides the following technical scheme: a first sliding groove is formed in each of two sides of the inner wall of a machine head base plate, a buffer plate is connected inside each first sliding groove in a sliding mode, a first reset spring is fixedly connected between the top of each buffer plate and the inner wall of the machine head base plate, a second reset spring is fixedly connected between the bottom of each buffer plate and the inner wall of the machine head base plate, limiting sliding plates are fixedly connected to the outer walls of the buffer plates, two limiting sliding plates are arranged in a number, the two limiting sliding plates are symmetrically arranged around the central axis of each buffer plate, a second sliding groove penetrates through one side of the outer wall of the machine head base plate, two second sliding grooves are arranged in a number, the two second sliding grooves are connected with the limiting sliding plates in a sliding mode, each limiting sliding plate penetrates through the corresponding second sliding groove and extends to one side, and the outer wall of each limiting sliding plate is provided with a stable punching mechanism;

the fixing and punching mechanism comprises a fixing plate, the fixing plate is fixedly connected with a limiting sliding plate, a positioning screw penetrates through the inner wall of the fixing plate and extends to one side of the fixing plate, a fixing rotating handle is fixedly connected to one side of the outer wall of the positioning screw, a bearing is arranged at the joint of the positioning screw and the fixing plate, the positioning screw is rotatably connected with the fixing plate through the bearing, positioning sleeve rings are sleeved on the outer wall of the positioning screw in a threaded manner, the number of the positioning sleeve rings is two, the two positioning sleeve rings are symmetrically arranged about the central axis of the positioning screw, connecting rods are fixedly connected to two sides of the outer wall of the positioning sleeve rings, a positioning sliding plate is fixedly connected to one side of the outer wall of the connecting rods, a third sliding groove is arranged on one side of the outer wall of the fixing plate, two third sliding grooves are arranged, the third sliding groove is slidably connected with the positioning sliding plate, the positioning sliding plate penetrates through the third sliding groove and extends to one side of the positioning sliding plate, a limiting bottom plate is fixedly connected to one side of the outer wall of the positioning sliding plate, a fixing bottom plate is fixedly connected with a fixing and fixing clamping plate, an adjusting pad is fixedly connected to one side of the inner wall of the fixing plate, a connecting block is connected with a connecting block, a threaded hole is arranged on one side of the connecting block, a threaded rod penetrates through the inner wall of the connecting plate, a screw rod is fixedly connected with a limiting nut, a screw rod is connected with two limiting nut, a limiting nut is connected to two limiting nut, a screw hole is connected to adjust the limiting screw rod, a screw rod is arranged on two sides of the inner wall of the limiting plate, and connected with two sides of the limiting plate, and connected with a limiting plate, a limiting nut is connected with a limiting nut, and a screw rod.

Preferably, aircraft nose bottom plate bottom both sides all are provided with punching press locating component, punching press locating component is including connecting the bottom plate, connecting bottom plate and aircraft nose bottom plate bottom both sides fixed connection, connecting the bottom plate cross sectional shape and establishing to C shape, the connecting bottom plate top is rotated through the pivot and is connected with movable clamp plate, first recess has all been seted up to movable clamp plate inner wall both sides, the inside sliding connection of first recess has first slider, two fixedly connected with adjusting clamp plate between the first slider, adjusting clamp plate runs through movable clamp plate and extends to one side, adjusting clamp plate is inside to be run through there is the locating hole, the quantity of locating hole is provided with a plurality ofly, movable clamp plate top is run through there is the locating lever, the locating lever extends to inside the locating hole, adjusting clamp plate outer wall one side fixedly connected with locating piece, the inside threaded connection of locating piece has the locking lead screw.

Preferably, a second groove is formed in one side of the inner wall of the movable clamping plate, a second slider is slidably connected to the inside of the second groove, the second slider penetrates through the second groove and extends to one side, a clamping rod is fixedly connected to one side of the outer wall of the second slider, a third reset spring is fixedly connected between the top of the clamping rod and the movable clamping plate, a plurality of third reset springs are arranged, fixed suckers are fixedly connected to the bottom of the clamping rod, and the number of the fixed suckers is multiple and every two adjacent suckers are equal to each other in distance.

Preferably, fixed cover of aircraft nose bottom plate top fixedly connected with, the quantity of fixed cover is provided with two sets ofly, every group the quantity of fixed cover is provided with two, two fixed cover sets up about aircraft nose bottom plate axis symmetry, the fourth recess has all been seted up to fixed cover inner wall both sides, the inside sliding connection of fourth recess has the third slider, two fixedly connected with magic subsides between the third slider, every group the magic subsides phase-match.

Preferably, the number of the first return springs and the number of the second return springs are three, and the distance between every two adjacent first return springs and the distance between every two adjacent second return springs are equal.

Preferably, the adjusting pad is made of a silica gel material.

In the technical scheme, the invention provides the following technical effects and advantages:

1. the device is transferred to one side of a machine head, a limiting screw rod is used for being connected and fixed with a punching machine, random position adjustment can be carried out when the connection position deviates, the machine head is placed between two stable clamping plates, the two stable clamping plates clamp the machine head, an adjusting pad is attached and fixed according to the shape of the machine head, when the machine head is punched, a buffer plate is driven to slide in a first sliding groove and a second sliding groove respectively through the elastic force of a first reset spring and a second reset spring for buffering and punching, and the position of a pressing head is further adjusted and fixed reasonably;

2. when an article is stamped, the adjusting clamp plate can be pulled according to the size of the article to enable the adjusting clamp plate to slide in the movable clamp plate, after the adjusting clamp plate slides to a proper length, the positioning hole in the corresponding position is selected, the positioning rod is used for fixing the position, after the fixing is finished, the movable clamp plate is rotated through the rotating shaft, the adjusting clamp rod is used for stably fixing the stamping base according to the elasticity of the third reset spring while rotating, and finally, the locking screw rod is used for locking the position, so that the problem that the stamping position is mistaken is solved;

3. effective classification is carried out to mixed and disorderly circuit through the magic subsides and is combed, further avoids the mixed and disorderly condition that leads to overheated short circuit of circuit to take place.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal cross-sectional structure of the head base plate of the present invention;

FIG. 3 is an enlarged schematic view of the connection structure of the steady punching mechanism of the present invention;

FIG. 4 is a schematic front sectional view of a fixing plate according to the present invention;

FIG. 5 is a schematic view of the connection structure of the retainer ring according to the present invention;

FIG. 6 is an enlarged schematic view of the punch positioning assembly of the present invention;

FIG. 7 is a schematic top sectional view of the removable splint of the present invention;

FIG. 8 is a side view of the movable clamping plate of the present invention;

FIG. 9 is a bottom view of the adjustable clamp of the present invention;

FIG. 10 is an enlarged view of the point A in FIG. 1;

fig. 11 is a schematic view of the internal cross-section of the fastening sleeve of the present invention.

Description of reference numerals:

1. a head base plate; 2. a first chute; 3. a buffer plate; 4. a first return spring; 5. a second return spring; 6. a limiting sliding plate; 7. a second chute; 8. a stable stamping mechanism; 9. a fixing plate; 10. positioning a screw rod; 11. fixing the rotating handle; 12. a positioning collar; 13. a connecting rod; 14. positioning the sliding plate; 15. a third chute; 16. a limiting bottom plate; 17. stabilizing the clamping plate; 18. a conditioning pad; 19. connecting blocks; 20. a threaded hole; 21. a threaded rod; 22. a stamping positioning assembly; 23. connecting the bottom plate; 24. a movable splint; 25. a first groove; 26. a first slider; 27. adjusting the clamping plate; 28. positioning holes; 29. positioning a rod; 30. positioning a block; 31. locking the screw rod; 32. a second groove; 33. a second slider; 34. adjusting the clamping rod; 35. a third return spring; 36. fixing the sucker; 37. an action plate; 38. a third groove; 39. a limiting screw rod; 40. a limit nut; 41. fixing a sleeve; 42. a fourth groove; 43. a third slider; 44. magic tape.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a punching machine head structure as shown in figures 1-11, which comprises a machine head base plate 1, wherein first sliding grooves 2 are formed in two sides of the inner wall of the machine head base plate 1, a buffer plate 3 is connected in the first sliding grooves 2 in a sliding manner, first reset springs 4 are fixedly connected between the top of the buffer plate 3 and the inner wall of the machine head base plate 1, second reset springs 5 are fixedly connected between the bottom of the buffer plate 3 and the inner wall of the machine head base plate 1, two limit sliding plates 6 are fixedly connected to the outer wall of the buffer plate 3, the two limit sliding plates 6 are arranged in a number, the two limit sliding plates 6 are symmetrically arranged about a central axis of the buffer plate 3, a second sliding groove 7 penetrates through one side of the outer wall of the machine head base plate 1, the two second sliding grooves 7 are arranged in a number, the two second sliding grooves 7 are both connected with the limit sliding plates 6 in a sliding manner, the limit sliding plates 6 extend to one side through the second sliding grooves 7, and a punching stabilizing mechanism 8 is arranged on the outer wall of the limit sliding plates 6;

the stable stamping mechanism 8 comprises a fixed plate 9, the fixed plate 9 is fixedly connected with the limiting slide plate 6, a positioning screw rod 10 penetrates through the inner wall of the fixing plate 9, the positioning screw rod 10 extends to one side of the fixing plate 9, one side of the outer wall of the positioning screw rod 10 is fixedly connected with a fixed rotating handle 11, a bearing is arranged at the joint of the positioning screw rod 10 and the fixed plate 9, the positioning screw rod 10 is rotationally connected with the fixing plate 9 through a bearing, a positioning lantern ring 12 is sleeved on the outer wall of the positioning screw rod 10 in a threaded manner, the number of the positioning lantern rings 12 is two, the two positioning lantern rings 12 are symmetrically arranged around the central axis of the positioning screw rod 10, both sides of the outer wall of the positioning lantern ring 12 are fixedly connected with connecting rods 13, one side of the outer wall of the connecting rods 13 is fixedly connected with a positioning sliding plate 14, a third sliding groove 15 penetrates through one side of the outer wall of the fixing plate 9, two third sliding grooves 15 are arranged, the third sliding chute 15 is connected with the positioning sliding plate 14 in a sliding manner, the positioning sliding plate 14 extends to one side through the third sliding chute 15, one side of the outer wall of the positioning sliding plate 14 is fixedly connected with a limiting bottom plate 16, one side of the outer wall of the limiting bottom plate 16 is fixedly connected with a stable clamping plate 17, the inner wall of the stable splint 17 is fixedly connected with an adjusting pad 18, one side of the outer wall of the stable splint 17 is fixedly connected with a connecting block 19, a threaded hole 20 penetrates through the connecting block 19, a threaded rod 21 is inserted into the threaded hole 20, both sides of the outer wall of the handpiece bottom plate 1 are fixedly connected with action plates 37, adjusting chutes 38 penetrate through the action plates 37, the two sides of the inner part of the adjusting chute 38 are inserted with a limiting screw rod 39 in a threaded manner, the outer wall of the limiting screw rod 39 is sleeved with a limiting nut 40 in a threaded manner, and the limiting screw rod 39 is detachably connected with the adjusting chute 38 through the limiting nut 40.

Further, in the above technical scheme, stamping positioning assemblies 22 are arranged on both sides of the bottom of the head bottom plate 1, each stamping positioning assembly 22 includes a connecting bottom plate 23, the connecting bottom plate 23 is fixedly connected with both sides of the bottom of the head bottom plate 1, the cross-sectional shape of the connecting bottom plate 23 is set to be C-shaped, the top of the connecting bottom plate 23 is rotatably connected with a movable clamping plate 24 through a rotating shaft, first grooves 25 are formed in both sides of the inner wall of the movable clamping plate 24, first sliding blocks 26 are slidably connected in the first grooves 25, adjusting clamping plates 27 are fixedly connected between the first sliding blocks 26, the adjusting clamping plates 27 penetrate through the movable clamping plates 24 and extend to one side, positioning holes 28 are formed in the adjusting clamping plates 27, a plurality of positioning rods 29 are arranged in the positioning holes 28, the positioning rods 29 penetrate through the tops of the movable clamping plates 24, the positioning rods 29 extend to the inside of the positioning holes 28, positioning blocks 30 are fixedly connected on one side of the outer wall of the adjusting clamping plates 27, and locking screws 31 are connected with the internal threads of the positioning blocks 30.

Further, in above-mentioned technical scheme, second recess 32 has been seted up to activity splint 24 inner wall one side, the inside sliding connection of second recess 32 has second slider 33, second slider 33 runs through second recess 32 and extends to one side, second slider 33 outer wall one side fixedly connected with adjusts clamping bar 34, fixedly connected with third reset spring 35 between adjusting clamping bar 34 top and the activity splint 24, third reset spring 35's quantity is provided with a plurality ofly, adjust clamping bar 34 bottom fixedly connected with fixed suction cup 36, fixed suction cup 36's quantity is provided with a plurality ofly, every adjacent two distance between the fixed suction cup 36 equals.

Further, in the above technical scheme, the fixed sleeve 41 is fixedly connected to the top of the machine head bottom plate 1, the number of the fixed sleeve 41 is two, two fixed sleeves 41 are arranged in each group, the number of the fixed sleeves 41 is two, the two fixed sleeves 41 are symmetrically arranged about the central axis of the machine head bottom plate 1, fourth grooves 42 are formed in two sides of the inner wall of each fixed sleeve 41, third sliders 43 are slidably connected inside the fourth grooves 42, magic tapes 44 are fixedly connected between the two third sliders 43, and each magic tape 44 is matched with each other.

Further, in the above technical solution, the number of the first return springs 4 and the second return springs 5 is three, and the distance between every two adjacent first return springs 4 and the second return springs 5 is equal.

Further, in the above technical solution, the adjusting pad 18 is made of a silicone material.

The working principle of the invention is as follows:

referring to the attached drawings 1-11 of the specification, when the device is used, firstly, the device is transferred to one side of a machine head, a limit screw rod 39 penetrates through a third groove 38 to be connected and fixed with a punching machine, when the connection position deviates, the machine head bottom plate 1 can be pulled, the limit screw rod 39 is adjusted in a sliding mode in the third groove 38, finally, the position of the machine head is locked by a limit nut 40, the machine head is placed between two stable clamping plates 17, a fixed rotating handle 11 is rotated to drive a positioning screw rod 10 to rotate through a bearing, threads on two sides of the outer wall of the positioning screw rod 10 are reversely arranged, so that a positioning sleeve ring 12 is driven to rotate reversely while rotating, a positioning sliding plate 14 on the outer wall of a connecting rod 13 is further driven to reversely move in a third sliding groove 15, so that the two stable clamping plates 17 clamp the machine head, an adjusting pad 18 is attached and fixed according to the shape of the machine head, the threaded rod 21 is integrally connected and fixed, after the fixing is finished, when the machine head is punched, the buffer plate 3 is driven to be respectively clamped in a first sliding mode in a first sliding groove 2 and a second sliding groove 7 through the elasticity of a first return spring 4 and a second return spring 5, and the adjusting position of a punching press head is further reasonably adjusted;

referring to the attached drawings 1-11 of the specification, when the device is used, when an article is punched, the adjusting clamping plate 27 can be pulled according to the size of the article, the adjusting clamping plate 27 slides inside the movable clamping plate 24 to a proper length, the positioning hole 28 in the corresponding position is selected, the positioning rod 29 is used for fixing the position, after the fixing is finished, the movable clamping plate 24 is rotated through the rotating shaft, the adjusting clamping rod 34 is used for stably fixing the punching base according to the elastic force of the third reset spring 35 during the rotation, and finally the position is locked by the locking screw rod 31, so that the problem that the punching is wrong in position is solved.

The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description and the description of the attached drawings, the specific connection mode of each part adopts the conventional means such as mature bolts, rivets, welding and the like in the prior art, the machines, parts and equipment adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so the detailed description is omitted.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The punching machine head structure comprises a machine head base plate (1) and is characterized in that first sliding grooves (2) are formed in two sides of the inner wall of the machine head base plate (1), a buffer plate (3) is connected to the inner portion of each first sliding groove (2) in a sliding mode, first reset springs (4) are fixedly connected between the top of each buffer plate (3) and the inner wall of the machine head base plate (1), second reset springs (5) are fixedly connected between the bottom of each buffer plate (3) and the inner wall of the machine head base plate (1), two limiting sliding plates (6) are fixedly connected to the outer wall of each buffer plate (3), the two limiting sliding plates (6) are symmetrically arranged about a central axis of each buffer plate (3), a second sliding groove (7) penetrates through one side of the outer wall of the machine head base plate (1), two second sliding grooves (7) are arranged, the two second sliding grooves (7) are both connected with the limiting sliding plates (6) in a sliding mode, the limiting sliding plates (6) penetrate through the second sliding grooves (7) and extend to one side, and a punching mechanism (8) is arranged on the outer wall of each limiting sliding plate (6);

the stable stamping mechanism (8) comprises a fixing plate (9), the fixing plate (9) is fixedly connected with a limiting sliding plate (6), a positioning screw rod (10) penetrates through the inner wall of the fixing plate (9), the positioning screw rod (10) extends to one side of the fixing plate (9), one side of the outer wall of the positioning screw rod (10) is fixedly connected with a fixed rotating handle (11), a bearing is arranged at the joint of the positioning screw rod (10) and the fixing plate (9), the positioning screw rod (10) is rotatably connected with the fixing plate (9) through the bearing, a positioning sleeve ring (12) is sleeved on the outer wall of the positioning screw rod (10) in a threaded manner, the number of the positioning sleeve rings (12) is two, the positioning sleeve rings (12) are symmetrically arranged about the axis of the positioning screw rod (10), connecting rods (13) are fixedly connected to both sides of the outer wall of the positioning sleeve ring (12), one side of the outer wall of each connecting rod (13) is fixedly connected with a positioning sliding plate (14), one side of the outer wall of the fixing plate (9) penetrates through a third sliding groove (15), the number of the third sliding groove (15) is two, the third sliding plate (15) is slidably connected with the positioning sliding plate (14), and one side of the positioning sliding plate (14) extends to one side of the limiting sliding plate (16), spacing bottom plate (16) outer wall one side fixedly connected with firm splint (17), firm splint (17) inner wall fixedly connected with adjusting pad (18), firm splint (17) outer wall one side fixedly connected with connecting block (19), threaded hole (20) are run through inside connecting block (19), threaded rod (21) are pegged graft to threaded hole (20) inside, the equal fixedly connected with in aircraft nose bottom plate (1) outer wall both sides acts on board (37), it has regulation spout (38) to run through inside acting board (37), it has spacing lead screw (39) to adjust the equal screw-thread grafting in the inside both sides of spout (38), spacing lead screw (39) outer wall screw thread has cup jointed spacing nut (40), spacing lead screw (39) can be dismantled with regulation spout (38) through spacing nut (40) and be connected.

2. The die head structure according to claim 1, wherein: head bottom plate (1) bottom both sides all are provided with punching press locating component (22), punching press locating component (22) are including connecting bottom plate (23), connecting bottom plate (23) and head bottom plate (1) bottom both sides fixed connection, connecting bottom plate (23) cross sectional shape establishes to the C shape, connecting bottom plate (23) top is rotated through the pivot and is connected with movable splint (24), first recess (25) have all been seted up to movable splint (24) inner wall both sides, first recess (25) inside sliding connection has first slider (26), two fixedly connected with adjusting splint (27) between first slider (26), adjusting splint (27) run through movable splint (24) and extend to one side, adjusting splint (27) inside runs through there are locating hole (28), the quantity of locating hole (28) is provided with a plurality ofly, movable splint (24) top runs through locating lever (29), locating lever (29) extend to inside locating hole (28), adjusting splint (27) outer wall one side fixedly connected with locating piece (30), locating piece (30) inside screw thread connection has locking screw rod (31).

3. The die head structure according to claim 2, wherein: second recess (32) have been seted up to activity splint (24) inner wall one side, second recess (32) inside sliding connection has second slider (33), second slider (33) run through second recess (32) and extend to one side, second slider (33) outer wall one side fixedly connected with adjusts clamping bar (34), fixedly connected with third reset spring (35) between adjusting clamping bar (34) top and activity splint (24), the quantity of third reset spring (35) is provided with a plurality ofly, adjust clamping bar (34) bottom fixedly connected with fixed suction cup (36), the quantity of fixed suction cup (36) is provided with a plurality ofly, every adjacent two distance between fixed suction cup (36) equals.

4. The die head structure according to claim 1, wherein: fixed cover (41) of aircraft nose bottom plate (1) top fixedly connected with, the quantity of fixed cover (41) is provided with two sets ofly, every group the quantity of fixed cover (41) is provided with two, two fixed cover (41) sets up about aircraft nose bottom plate (1) axis symmetry, fourth recess (42) have all been seted up to fixed cover (41) inner wall both sides, fourth recess (42) inside sliding connection has third slider (43), two fixedly connected with magic subsides (44) between third slider (43), every group magic subsides (44) phase-match.

5. The die head structure according to claim 1, wherein: the number of the first return springs (4) is three, the number of the second return springs (5) is three, and the distance between every two adjacent first return springs (4) and the distance between every two adjacent second return springs (5) are equal.

6. The die head structure according to claim 1, wherein: the adjusting pad (18) is made of a silica gel material.