CN214919769U

CN214919769U - Toast box high-precision self-adaptive stamping die

Info

Publication number: CN214919769U
Application number: CN202023253817.XU
Authority: CN
Inventors: 卢灯荣; 沈文辉
Original assignee: Fujian Model Food Appliance Co ltd
Current assignee: Fujian Model Food Appliance Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-11-30
Anticipated expiration: 2030-12-29

Abstract

The utility model discloses a toast box high accuracy self-adaptation stamping die, including workstation, guide bar, roof, pneumatic cylinder, last mould, drift, lower mould and shaping chamber, the top surface bolt fastening of workstation has guide bar, solid fixed cylinder and limiting plate, and the bottom surface bolt fastening batch oil tank of workstation, the top welded connection of guide bar has the roof, and the bottom of guide bar inserts to the batch oil tank in, the slot has been seted up on the wall body of guide bar, and the cover has an elastic spring on the guide bar, the bolt fastening has the pneumatic cylinder on the roof, and the tailpiece of the piston rod end and last mould top surface welded connection of pneumatic cylinder to the bottom surface bolt fastening of going up the mould has the drift, equal welded connection has the axle sleeve on last mould and the lower mould. When the punch of the toast box high-precision self-adaptive stamping die impacts the lower die, the lower die can vertically move, and the impact force of the punch is buffered through the elastic spring, so that vibration cannot occur, and the overall processing precision is guaranteed.

Description

Toast box high-precision self-adaptive stamping die

Technical Field

The utility model relates to a toast box processing technology field specifically is a toast box high accuracy self-adaptation stamping die.

Background

To the toast box of aluminum alloy material, all adopt stamping forming, in stamping process, the drift can cause very big impact force to the lower mould, make the lower mould take place the vibration, easily lead to the lower mould to take place the displacement, and then reduced holistic machining precision, stamping forming back simultaneously, difficult quick drawing of patterns is unfavorable for improving work efficiency, the practicality is not strong, can not satisfy people's user demand, in view of the defect that exists among the above prior art, it is necessary to improve it further, make it more possess the practicality, just can accord with the in-service use condition.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a toast box high accuracy self-adaptation stamping die to in the punching press process that proposes in solving above-mentioned background art, the drift can cause very big impact force to the lower mould, makes the lower mould take place to vibrate, easily leads to the lower mould to take place the displacement, and then has reduced holistic machining precision, and after stamping forming, difficult quick drawing of patterns is unfavorable for improving work efficiency, the not strong problem of practicality simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a toast box high-accuracy self-adaptation stamping die, includes workstation, guide bar, roof, pneumatic cylinder, goes up mould, drift, lower mould and shaping chamber, the top surface bolt fastening of workstation has guide bar, a fixed section of thick bamboo and limiting plate, and the bottom surface bolt fastening batch oil tank of workstation, the top welded connection of guide bar has the roof, and the bottom of guide bar inserts to the batch oil tank in, set up the slot on the wall body of guide bar, and the cover has an elastic spring on the guide bar, the bolt fastening has the pneumatic cylinder on the roof, and the tailpiece of the piston rod of pneumatic cylinder and last mould top surface welded connection to the bottom surface bolt fastening of last mould has the drift, equal welded connection has the axle sleeve on last mould and the lower mould, and the guide bar inside has penetrated on the two, the top surface vertical downwardly extending of lower mould is formed with the shaping chamber, and has closed the hole groove in the lower mould wall body of shaping chamber bottom, and the top and the shaping chamber of hole groove are linked together, be welded connection between the both ends of elastic spring and workstation and the lower mould, fixed section of thick bamboo has been inserted to the hole inslot portion, and the top surface wall body of fixed section of thick bamboo has seted up the through-hole, be provided with the piston piece in the fixed section of thick bamboo wall body, and the bottom surface and the movable rod top welded connection of piston piece, fixed section of thick bamboo and workstation and welded connection are run through to the movable rod bottom, and be linear bearing swing joint between movable rod and fixed section of thick bamboo and the workstation, the top surface welded connection of connecting plate has the connecting rod, and the top of connecting rod run through the workstation and with lower mould bottom surface welded connection to be linear bearing swing joint between connecting rod and the workstation, the inside oil guide strip that is provided with of slot, and oil guide strip is fixed bonding with the cell wall of slot.

Furthermore, the limiting plates are symmetrically arranged in two numbers, and the limiting plates are flush with the top surfaces of the fixed cylinders.

Furthermore, the fixed cylinder is of a hollow structure, and the fixed cylinder, the forming cavity and the hole groove are coaxial.

Further, the whole of the groove and the oil guide strips in the groove are of a spiral structure, and the oil guide strips 19 are specifically organic cotton.

Furthermore, the inner diameter of the shaft sleeve is consistent with the diameter of the guide rod, and the inner wall of the shaft sleeve is in contact with the oil guide strip.

Compared with the prior art, the beneficial effects of the utility model are that: the toast box high-precision self-adaptive stamping die is provided with the elastic spring, and the whole lower die is in a suspended state, so that when the punch impacts the lower die, the lower die can vertically move, and the impact force of the punch is buffered through the elastic spring, so that vibration cannot occur, equipment parts cannot deviate due to vibration, and the integral processing precision is ensured;

meanwhile, the upper die and the lower die vertically move along the four guide rods, and a layer of oil film is always arranged between the guide rods and the shaft sleeves on the upper die and the lower die when the upper die and the lower die move, so that the friction force can be reduced, the abrasion is prevented, the stability of the upper die and the lower die is further improved, and the integral processing precision is ensured;

be provided with a fixed section of thick bamboo, when the drift is down, the piston piece is synchronous down and with the external air suction to a fixed section of thick bamboo in, when the drift goes upward, the piston piece is synchronous upward and extrudes the air, through the air current like this, when the make-up machine blowout of shaping intracavity, do benefit to the fast demoulding, improved work efficiency effectively, the practicality is strong.

Drawings

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

FIG. 2 is a schematic top view of the lower mold of the present invention;

FIG. 3 is a schematic cross-sectional view of the guide bar and the upper mold of the present invention;

FIG. 4 is a front view of the guide bar of the present invention;

fig. 5 is a schematic view of the three-dimensional structure of the fixing cylinder of the present invention.

In the figure: 1. a work table; 2. a guide bar; 3. a top plate; 4. a hydraulic cylinder; 5. an upper die; 6. a punch; 7. a lower die; 8. a molding cavity; 9. an elastic spring; 10. a hole groove; 11. a fixed cylinder; 12. a piston block; 13. a movable rod; 14. a connecting plate; 15. a connecting rod; 16. a limiting plate; 17. an oil storage tank; 18. a trench; 19. guiding the deep-fried dough sticks; 20. and a shaft sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a toast box high-precision self-adaptive stamping die comprises a workbench 1, a guide rod 2, a top plate 3, a hydraulic cylinder 4, an upper die 5, a punch 6, a lower die 7 and a forming cavity 8, wherein the top surface of the workbench 1 is fixed with the guide rod 2, a fixed cylinder 11 and a limiting plate 16 through bolts, the bottom surface of the workbench 1 is fixed with an oil storage tank 17 through bolts, the top end of the guide rod 2 is connected with the top plate 3 in a welded mode, the bottom end of the guide rod 2 is inserted into the oil storage tank 17, a wall body of the guide rod 2 is provided with a groove 18, the guide rod 2 is sleeved with an elastic spring 9, the hydraulic cylinder 4 is fixed on the top plate 3 through bolts, a piston rod end of the hydraulic cylinder 4 is connected with the top surface of the upper die 5 in a welded mode, the bottom surface of the upper die 5 is fixed with the punch 6 through bolts, shaft sleeves 20 are connected with the upper die 5 and the lower die 7 in a welded mode, the guide rod 2 penetrates through the guide rod 2, the top surface of the lower die 7 extends vertically downwards to form the forming cavity 8, a hole groove 10 is opened in the wall body of the lower die 7 at the bottom of the forming cavity 8, the top end of the hole groove 10 is communicated with the forming cavity 8, two ends of an elastic spring 9 are welded with the workbench 1 and the lower die 7, a fixed cylinder 11 is inserted into the hole groove 10, a through hole is arranged on the wall body of the top surface of the fixed cylinder 11, a piston block 12 is arranged in the wall body of the fixed cylinder 11, the bottom surface of the piston block 12 is welded with the top end of a movable rod 13, the bottom end of the movable rod 13 penetrates through the fixed cylinder 11 and the workbench 1 and is welded with a connecting plate 14, the movable rod 13 is movably connected with the fixed cylinder 11 and the workbench 1 through a linear bearing, the top surface of the connecting plate 14 is welded with a connecting rod 15, the top end of the connecting rod 15 penetrates through the workbench 1 and is welded with the bottom surface of the lower die 7, the connecting rod 15 is movably connected with the workbench 1 through the linear bearing, and an oil guide strip 19 is arranged in the groove 18, and the oil guiding strip 19 is fixedly bonded with the groove wall of the groove 18.

Furthermore, the limiting plates 16 are symmetrically arranged, the limiting plates 16 are flush with the top surface of the fixed cylinder 11, so that when the lower die 7 moves under the stamping of the punch 6, the top end of the fixed cylinder 11 can be prevented from being inserted into the forming cavity 8, and the formed part in the forming cavity 8 is prevented from being damaged.

Furthermore, the fixed cylinder 11 is of a hollow structure, and the fixed cylinder 11, the forming cavity 8 and the hole groove 10 are coaxial, so that when the piston block 12 moves inside the fixed cylinder 11, air suction and air outlet can be realized, and the structure is reasonable.

Further, the whole spiral structure that is of slot 18 and its inside oil guide strip 19, and oil guide strip 19 specifically is organic cotton, the internal diameter of axle sleeve 20 is unanimous with guide bar 2 diameter, and the inner wall of axle sleeve 20 contacts with oil guide strip 19, the material design of oil guide strip 19, it is strong to make its oil absorption, oil storage tank 17 can diffuse fast inside whole oil guide strip 19, thereby when axle sleeve 20 moves on guide bar 2, the lubricating oil on the oil guide strip 19 can be transmitted on axle sleeve 20 inner wall, make form one oil film between axle sleeve 20 and the guide bar 2, can reduce friction, holistic precision has been guaranteed.

The working principle is as follows: when the punching die is used, a workpiece is placed on the lower die 7, the hydraulic cylinder 4 is connected with an external power supply and drives the external power supply to run, the hydraulic cylinder 4 drives the upper die 5 to vertically move downwards along the guide rod 2, the punch 6 synchronously moves along with the upper die 5, the lower die 7 can be driven to vertically move downwards along the guide rod 2 when the punch 6 is punched into the forming cavity 8, the impact force of the punch 6 can be buffered through the elastic spring 9 when the lower die 7 moves, finally the lower die 7 is attached to the limiting plate 16 to stop running, and the punch 6 can punch and form the workpiece;

in this process, connecting rod 15 is when going down along with lower mould 7, can drive movable rod 13 synchronous motion through connecting plate 14, movable rod 13 drives piston block 12 and removes in a fixed section of thick bamboo 11, and then can pass through the through-hole suction with external air to a fixed section of thick bamboo 11 in, after the punching press, it resets to go up mould 5 and drive drift 6, under the elasticity operation of elasticity spring 9, lower mould 7 resets, connecting rod 15 drives movable rod 13 through connecting plate 14 and goes upward in step, like this movable rod 13 extrudes fast through the air of piston block 12 in with a fixed section of thick bamboo 11 from through-hole department, the air of fast flow can be with the forming part jack-up in the shaping chamber 8, be convenient for fast demoulding.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a toast box high accuracy self-adaptation stamping die, includes workstation (1), guide bar (2), roof (3), pneumatic cylinder (4), goes up mould (5), drift (6), lower mould (7) and shaping chamber (8), its characterized in that: the top surface bolt of workstation (1) is fixed with guide bar (2), solid fixed cylinder (11) and limiting plate (16), and the bottom surface bolt fastening batch oil tank (17) of workstation (1), the top welded connection of guide bar (2) has roof (3), and inserts in batch oil tank (17) the bottom of guide bar (2), slot (18) have been seted up on the wall body of guide bar (2), and the cover has elasticity spring (9) on guide bar (2), the bolt fastening has pneumatic cylinder (4) on roof (3), and the tailpiece of the piston rod of pneumatic cylinder (4) and last mould (5) top surface welded connection to the bottom surface bolt fastening of last mould (5) has drift (6), all welded connection has axle sleeve (20) on last mould (5) and lower mould (7), and guide bar (2) inside on both penetrate has guide bar (2), the perpendicular downwardly extending of top surface of lower mould (7) is formed with shaping chamber (8), and a hole groove (10) is opened and closed in the wall body of the lower die (7) at the bottom of the forming cavity (8), the top end of the hole groove (10) is communicated with the forming cavity (8), both ends of the elastic spring (9) are welded with the workbench (1) and the lower die (7), a fixed cylinder (11) is inserted into the hole groove (10), the top wall body of the fixed cylinder (11) is provided with a through hole, a piston block (12) is arranged in the wall body of the fixed cylinder (11), the bottom surface of the piston block (12) is welded with the top end of a movable rod (13), the bottom end of the movable rod (13) penetrates through the fixed cylinder (11) and the workbench (1) and is welded with a connecting plate (14), the movable rod (13) is movably connected with the fixed cylinder (11) and the workbench (1) through a linear bearing, and the top surface of the connecting plate (14) is welded with a connecting rod (15), and the top end of the connecting rod (15) penetrates through the workbench (1) and is welded with the bottom surface of the lower die (7), the connecting rod (15) is movably connected with the workbench (1) through a linear bearing, the groove (18) is internally provided with an oil guide strip (19), and the groove wall of the oil guide strip (19) is fixedly bonded with the groove wall of the groove (18).

2. The toast box high-precision self-adaptive stamping die according to claim 1, characterized in that: the two limit plates (16) are symmetrically arranged, and the top surfaces of the limit plates (16) and the fixed cylinder (11) are flush.

3. The toast box high-precision self-adaptive stamping die according to claim 1, characterized in that: the fixed cylinder (11) is of a hollow structure, and the fixed cylinder (11), the forming cavity (8) and the hole groove (10) are coaxial.

4. The toast box high-precision self-adaptive stamping die according to claim 1, characterized in that: the whole of the groove (18) and the oil guide strips (19) in the groove are of spiral structures, and the oil guide strips (19) are organic cotton.

5. The toast box high-precision self-adaptive stamping die according to claim 1, characterized in that: the inner diameter of the shaft sleeve (20) is consistent with the diameter of the guide rod (2), and the inner wall of the shaft sleeve (20) is in contact with the oil guide strip (19).