CN114289697B

CN114289697B - Multi-position adjustable die carrier

Info

Publication number: CN114289697B
Application number: CN202111643365.2A
Authority: CN
Inventors: 周德宝; 林海龙; 王梅
Original assignee: Ningbo Boxin Machinery Co ltd
Current assignee: Ningbo Boxin Machinery Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2023-07-07
Anticipated expiration: 2041-12-29
Also published as: CN114289697A

Abstract

The utility model relates to a die carrier with adjustable multiposition, including lower workstation and parallel support the slider board of locating lower workstation one side, one side that the slider board was kept away from to lower workstation slides and is provided with the roof, one side that the lower workstation was kept away from to the roof is provided with first fixed plate, form the clearance that supplies the roof to slide between first fixed plate and the lower workstation, the one end that the roof was kept away from to first fixed plate is provided with the second fixed plate, be provided with the adjustment stick body that passes first fixed plate and roof and wear out the lower workstation on the second fixed plate perpendicularly, the adjustment stick body is including setting up adjusting screw on the second fixed plate and coaxial being fixed in the connecting rod that adjusting screw kept away from second fixed plate one end, the connecting rod is provided with the plug that penetrates in the mould and coaxial with the backing ring at the one end that wears out the lower workstation, the one end that the second fixed plate is close to first fixed plate is provided with the first adjusting device that drive adjusting screw slided along first stick body slip direction. The application has the characteristics of being adaptable to various dies and the like.

Description

Multi-position adjustable die carrier

Technical Field

The application relates to the technical field of dies, in particular to a multi-position adjustable die carrier.

Background

At present, the die (mj Mu), the industrial production is used for injection molding, blow molding, extrusion, die casting or forging, smelting, stamping and other methods to obtain various molds and tools of the required products. In short, a mold is a tool used to make a molded article, which is made up of various parts, with different molds being made up of different parts. The processing of the appearance of the article is realized mainly by changing the physical state of the formed material. The term "industrial mother" is used.

The die carrier is the support of the die, for example, the die carrier is formed by combining and fixing the parts of the die according to a certain rule and position on the die casting machine, and the parts of the die which can be installed on the die casting machine to work are called as the die carrier, and the die carrier consists of a push-out mechanism, a guide mechanism, a die leg cushion block of a pre-reset mechanism and a seat plate.

The related technical scheme has the following defects: at present, the mould frame has special models to deal with different moulds, but in practical design, products with different sizes correspond to moulds with different sizes, and the mould frame cannot be matched with all the moulds, so that if the mould frame is ordered, the cost is higher.

Disclosure of Invention

In order to provide a die carrier capable of adapting to various dies, the application provides a multi-position adjustable die carrier.

The above object of the present application is achieved by the following technical solutions:

the utility model provides a die carrier with adjustable multiposition, includes lower workstation and parallel prop up to locate the slider board of lower workstation one side, lower workstation with centre gripping fixed die between the slider board, lower workstation is kept away from one side of slider board slides and is provided with the roof, the roof is close to lower workstation's one end is provided with wears out lower workstation extremely backing ring in the die, the roof is on a parallel with lower workstation, the roof is kept away from one side of lower workstation is provided with first fixed plate, first fixed plate with form the confession between the lower workstation the clearance that the roof slided, first fixed plate is kept away from one end of roof is provided with the second fixed plate, be provided with perpendicularly on the second fixed plate and pass first fixed plate with the roof wears out the adjustment stick body of lower workstation, the adjustment stick body is including setting up adjustment screw rod on the second fixed plate and coaxial being fixed in adjustment screw rod is kept away from one end of second fixed plate, the roof is kept away from one side of lower workstation is provided with first fixed plate along the coaxial setting up of second axis and is provided with a coaxial adjustment screw rod and is worn out the first axis and is provided with the adjustment device of mandrel.

Through adopting above-mentioned technical scheme, install the plug to the one end of adjusting the stick body, install the mould again to between slider board and the lower workstation, make the plug penetrate in the mould, along with slider board drive movable mould reciprocating motion, thereby at plug department shaping product, and when opening the mould each time, the roof drives the backing ring ejecting, thereby release the fashioned product, according to the product of required production, adjust the length that the stick body penetrated the lower workstation through first adjusting device, thereby realize adjusting the length that the plug penetrated in the mould, thereby the plug that does not need to change different length when making the product of producing different specifications through the mould, it alright directly adjusts through first adjusting device, it is more convenient, thereby make the mould frame adaptable multiple specification model's mould.

Preferably, the first adjusting device comprises a first turbine which is rotatably arranged on the second fixing plate and is close to one end of the first fixing plate, a first vortex rod which is rotatably arranged on the second fixing plate and drives the first turbine to rotate, the adjusting screw is coaxially and in threaded connection with the first turbine, a first guide block is arranged at the side end of the adjusting screw along the length direction, and a first guide groove which is used for the first guide block to insert and slide along the length direction of the adjusting screw is formed in the second fixing plate.

Through adopting above-mentioned technical scheme, when adjusting screw's position, rotate first vortex rod, drive first turbine through first vortex rod and rotate, first turbine passes through the screw thread and drives adjusting screw and produce the rotation trend, and adjusting screw removes along the axis direction under the spacing of first guide block. The position of the adjusting screw is adjusted more conveniently by the scheme.

Preferably, the first fixing plate is provided with an adjusting nut in a sliding manner, the connecting rod is arranged in the middle of the adjusting nut in a sliding manner, and one end, away from the second fixing plate, of the first fixing plate is provided with a second adjusting device for driving the adjusting nut to move along the axial direction.

Through adopting above-mentioned technical scheme, drive adjusting nut along the direction removal of perpendicular first fixed plate through second adjusting device, the roof removes between first fixed plate and lower workstation, carries out spacingly through adjusting nut to the roof to confirm the stroke that slides of roof, limit the lower extreme of roof through the position of removing adjusting nut, thereby realize the ejecting degree of depth of according to the mould adjustment roof of difference, thereby make this die carrier adapt to the mould of more types.

Preferably, the second adjusting device comprises a second turbine arranged on the first fixed plate in a rotating manner, a second vortex rod arranged on the first fixed plate in a rotating manner and used for driving the second turbine to rotate, the adjusting nut is coaxially connected to the middle of the second turbine through threads, a second guide block is arranged at the side end of the adjusting nut along the length direction, and a second guide groove for the second guide block to slide along the length direction of the adjusting nut is formed in the first fixed plate.

Through adopting above-mentioned technical scheme, when adjusting nut's position, rotate the second vortex bar, drive the second turbine through the second vortex bar and rotate, the second turbine drives adjusting nut and produces pivoted trend for adjusting nut removes along the axis direction under the spacing of second guide block. The scheme ensures that the position of the adjusting nut is more convenient to adjust.

Preferably, one end of the sliding block plate, which is close to the lower workbench, is provided with a guide post penetrating out of the lower workbench, the top plate is fixed on the guide post, and the top plate is provided with a third adjusting device for driving the top plate to move along the axis direction of the guide post.

Through adopting above-mentioned technical scheme, the slider board drives the roof through the guide post and removes, and this scheme passes through the position of third adjusting device adjustment roof on the guide post to the cooperation adjusting nut realizes the restriction to roof stroke, thereby makes the applicable mould scope of this die carrier wider.

Preferably, the third adjusting device comprises a driving gear which is arranged on the top plate and away from the lower workbench, a driven gear which is arranged on two sides of the driving gear and is engaged with the driving gear, and a fine adjustment nut which is in threaded connection with the inner ring of the driven gear, wherein the fine adjustment nut is coaxially sleeved on the guide post and slides and penetrates through the top plate, a third guide block is arranged at the side end of the fine adjustment nut along the axial direction, and a third guide groove for the third guide block to insert and slide along the axial direction of the fine adjustment nut is formed in the top plate.

Through adopting above-mentioned technical scheme, the driving gear in the middle part of rotation drives the driven gear of both sides through the driving gear and rotates, drives the fine setting nut through driven gear and produces the rotation trend, but under the spacing of third guide block for driven gear drives the roof and removes on the axis. The scheme makes the process of adjusting the position of the top plate more convenient.

Preferably, the top plate is rotatably provided with an adjusting gear meshed with the driving gear at one side of the driving gear, and one end, far away from the top plate, of the adjusting gear is coaxially provided with an adjusting deflector rod.

Through adopting above-mentioned technical scheme, when the position that needs to rotate the driving gear in order to adjust the roof, only need rotate the adjustment driving lever, drive the adjustment gear through the adjustment driving lever and rotate, drive the driving gear through the adjustment gear and rotate alright, it is more convenient.

Preferably, a buffer cylinder is arranged between the top plate and the first fixing plate.

Through adopting above-mentioned technical scheme, set up buffer cylinder between roof and first fixed plate, slow down the speed that the roof removed through buffer cylinder to reduce the probability that damages of colliding with because of the travel speed is too fast.

Preferably, the backing ring comprises a bottom ring fixed at one end of the top plate close to the lower workbench and a plurality of connecting rings which are detachably connected and coaxially arranged together.

Through adopting above-mentioned technical scheme, the roof is ejecting with stamping forming's product through the backing ring, falls into backing ring and multi-disc go-between with the backing ring in this scheme, can dismantle each other or connect between the go-between to make the high accessible of true backing ring increase or reduce the go-between and change, thereby adapt to the mould of multiple specification.

Preferably, four connecting plates are uniformly arranged at one end of the connecting ring, which is close to the bottom ring, in the circumferential direction, connecting grooves for the connecting plates to be inserted are formed at the side ends of the connecting ring, clamping hooks are arranged at the inner sides of the connecting plates, which are far away from one end of the connecting ring, and clamping grooves for the clamping hooks to be clamped in and communicated with the inner ring of the connecting ring are formed at one end of the connecting ring, which is close to the bottom ring.

Through adopting above-mentioned technical scheme, when the go-between is connected, pass through the bolt fastening with the go-between of lower extreme on the bottom ring, then aim at the connecting plate of another go-between side end and have fixed spread groove, until the connecting plate inserts the spread groove completely, the buckle is direct to block into in the draw-in groove this moment to fix, can fix the go-between in proper order through this method. This scheme makes the installation shell of go-between dismantle all can be more convenient, and the installation is firm, can not influence normal ejection of compact.

In summary, the beneficial technical effects of the application are:

1. the core rod is arranged at one end of the adjusting rod body, the die is arranged between the sliding block plate and the lower workbench, the core rod penetrates into the die, the movable die is driven to reciprocate along with the sliding block plate, so that a product is formed at the core rod, when the die is opened each time, the top plate drives the backing ring to push out, so that the formed product is pushed out, the first vortex rod is rotated according to the product required to be produced, the first turbine is driven by the first vortex rod to rotate, the first turbine drives the adjusting screw rod to generate a rotation trend through threads, the adjusting screw rod moves along the axis direction under the limit of the first guide block, the length of the adjusting rod body penetrating into the lower workbench is adjusted through the first adjusting device, the length of the core rod penetrating into the die is adjusted, the core rods with different lengths are not required to be replaced when the die is used for producing products with different specifications, and the die is adjusted through the first adjusting device, and the die frame can be more conveniently adapted to dies with various specifications;

2. the second worm is rotated, the second worm drives the second worm to rotate, the second worm drives the adjusting nut to generate a rotating trend, the adjusting nut moves along the axis direction under the limit of the second guide block, the top plate is limited by the adjusting nut, so that the sliding stroke of the top plate is determined, the lowest position of the top plate is limited by moving the adjusting nut, the ejection depth of the top plate is adjusted according to different molds, the mold frame is suitable for molds of more types, and meanwhile, the adjustment process is very convenient;

3. the adjusting deflector rod is rotated, the adjusting gear is driven to rotate through the adjusting deflector rod, the driving gear is driven to rotate through the adjusting gear, the driven gears on two sides are driven to rotate through the driving gear, the fine adjustment nut is driven to generate a rotation trend through the driven gears, but under the limit of the third guide block, the driven gears drive the top plate to move on the axis, and the limit of the stroke of the top plate is realized through the cooperation of the adjusting nut, so that the die frame is applicable to a wider die range.

Drawings

FIG. 1 is an axial cross-sectional view of a multi-position adjustable scaffold;

FIG. 2 is an enlarged view at A of FIG. 1;

FIG. 3 is a schematic diagram of a multi-position adjustable mold frame;

FIG. 4 is an axial cross-sectional view of another view of the multi-position adjustable scaffold;

FIG. 5 is a partial exploded view of a multi-position adjustable die carrier;

fig. 6 is an enlarged view at B of fig. 5.

In the figure: 1. a lower working table; 2. a slider plate; 3. a top plate; 4. a first fixing plate; 5. a second fixing plate; 6. adjusting the rod body; 7. a guide post; 8. a limiting block; 9. a drive gear; 10. a driven gear; 11. a fine tuning nut; 12. a third guide block; 13. a third guide groove; 14. a third adjustment device; 15. an adjusting gear; 16. adjusting the deflector rod; 17. a guide rod; 18. adjusting the nut; 19. a second turbine; 20. a second scroll rod; 21. a second guide block; 22. a second guide groove; 23. a second adjusting device; 24. a buffer cylinder; 25. a connecting column; 26. adjusting a screw; 27. a connecting rod; 28. a first guide block; 29. a first guide groove; 30. a first turbine; 31. a first scroll bar; 32. a first adjustment device; 33. a core rod; 34. a backing ring; 35. a bottom ring; 36. a connecting ring; 37. a connecting plate; 38. a clamping hook; 39. a connecting groove; 40. a clamping groove.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-6.

Referring to fig. 1, a multi-position adjustable mold frame comprises a lower workbench 1, a sliding block plate 2 parallelly supported on one side of the lower workbench 1, a top plate 3 arranged on one side of the lower workbench 1 far away from the sliding block plate 2, a first fixing plate 4, a second fixing plate 5 and an adjusting rod body 6.

Referring to fig. 1 and 2, a end face of the slider plate 2, which is close to the lower working table 1, is fixedly provided with two guide posts 7 through bolts, the guide posts 7 vertically penetrate through the lower working table 1 and the top plate 3, one end of the guide posts 7, which is far away from the slider plate 2, is fixedly provided with a limiting block 8 through bolts, the top plate 3 is limited through the limiting block 8, and the top plate 3 is prevented from falling out of the guide posts 7. The die is fixed between the slide plate 2 and the lower table 1 between two guide posts 7.

The middle part of one end of the top plate 3 far away from the lower workbench 1 is rotationally connected with a driving gear 9 through a bolt, a guide post 7 penetrates out of the top plate 3 to one end far away from the sliding block plate 2, a driven gear 10 is rotationally sleeved on the middle part, two driven gears 10 are respectively meshed with the driving gear 9, a fine adjustment nut 11 is sleeved between the driven gear 10 and the guide post 7, the outer ring of the fine adjustment nut 11 and the inner ring of the driven gear 10 are connected through threads, the side end of the fine adjustment nut 11 is in interference insertion with a third guide block 12, the third guide block 12 is parallel to the axis of the fine adjustment nut 11, a third guide groove 13 for the third guide block 12 to be inserted and slide is formed in the top plate 3, the length direction of the third guide groove 13 is also parallel to the axis of the fine adjustment nut 11, and the driving gear 9, the driven gear 10 and the fine adjustment nut 11 form a third adjusting device 14.

Referring to fig. 1 and 3, the top plate 3 is rotatably connected with an adjusting gear 15 on one side of the driving gear 9 through a bolt, the adjusting gear 15 is meshed with the driving gear 9, one end, far away from the top plate 3, of the adjusting gear 15 is coaxially welded with an adjusting deflector 16, the adjusting deflector 16 is a hexagonal cylinder, the adjusting deflector 16 can be driven to rotate through a hexagonal wrench, and then the adjusting gear 15 drives the driving gear 9 to rotate.

Four guide rods 17 are vertically fixed at corners of one end face of the lower workbench 1, which is close to the top plate 3, through bolts, the guide rods 17 penetrate through the top plate 3 and are fixed on the first fixing plate 4 through bolts, and a gap for the top plate 3 to slide under the guide of the guide rods 17 is formed between the first fixing plate 4 and the lower workbench 1.

Referring to fig. 3 and 4, the middle part of the first fixing plate 4 is vertically slidably inserted with an adjusting nut 18, a second turbine 19 is coaxially sleeved at the peripheral side end of the adjusting nut 18, an inner ring of the second turbine 19 is connected with an outer ring of the adjusting nut 18 through threads, a second turbine rod 20 is rotatably connected to the first fixing plate 4 through a rotating shaft, the second turbine rod 20 is meshed with the second turbine 19, a second guide block 21 is inserted at the side end of the adjusting nut 18 in an interference manner, the second guide block 21 is parallel to the axis of the adjusting nut 18, a second guide groove 22 for inserting and sliding the second guide block 21 is formed in the first fixing plate 4, and the length direction of the second guide groove 22 is also parallel to the axis of the adjusting nut 18, so that the adjusting nut 18 can move along the axis, and the second turbine rod 19, the second turbine rod 20 and the adjusting nut 18 form a second adjusting device 23.

A buffer cylinder 24 is fixed between the first fixing plate 4 and the top plate 3 through bolts, and a piston rod of the buffer cylinder 24 abuts against the first fixing plate 4 and the top plate 3, so that the moving top plate 3 is buffered.

The first fixing plate 4 is kept away from the one end of roof 3 and is fixed with spliced pole 25 perpendicularly through the bolt, and the one end that spliced pole 25 kept away from first fixing plate 4 and second fixing plate 5 are connected through the bolt.

The adjusting rod body 6 comprises an adjusting screw rod 26 perpendicular to the second fixing plate 5 and slidingly inserted in the middle of the second fixing plate 5, and a connecting rod 27 fixed at one end of the adjusting screw rod 26 close to the top plate 3 through a bolt, wherein the connecting rod 27 coaxially penetrates out of the middle of the adjusting nut 18 and the driving gear 9 and penetrates into the lower workbench 1.

The side end interference embedding of adjusting screw 26 has first guide block 28, first guide block 28 is on a parallel with the axis of adjusting screw 26, set up the first guide way 29 that supplies first guide block 28 to insert and slide on the second fixed plate 5, first guide way 29 is on a parallel with the middle part of adjusting screw 26, the one end that second fixed plate 5 is close to first fixed plate 4 is equipped with first turbine 30 in the coaxial cover of week side end of adjusting screw 26, the inner circle of first turbine 30 and the outer lane of adjusting screw 26 pass through threaded connection, second fixed plate 5 is connected with first vortex bar 31 through the pivot rotation in one side of first turbine 30, first vortex bar 31 meshes in first turbine 30, drive adjusting screw 26 along the axis direction through first vortex bar 31 and first turbine 30, first turbine 30 and first vortex bar 31 constitute first adjusting device 32.

One end of the connecting rod 27 far away from the adjusting screw 26 is coaxially and rotatably embedded with a core rod 33, and the core rod 33 can directly penetrate into the die.

Referring to fig. 5 and 6, a backing ring 34 is sleeved on the peripheral side end of the core rod 33 at the end of the top plate 3 close to the lower table 1, and the backing ring 34 includes a bottom ring 35 fixed on the top plate 3 by bolts and a plurality of connecting rings 36 coaxially arranged at the end of the bottom ring 35 away from the top plate 3.

Four connecting plates 37 are uniformly and integrally arranged at one end, close to the bottom ring 35, of the connecting ring 36 in the circumferential direction, the connecting plates 37 are perpendicular to the connecting ring 36, the connecting plates 37 can deform to a certain extent for metal plates, clamping hooks 38 are integrally arranged at the inner sides of one ends, far away from the connecting rings 36, of the connecting plates 37, connecting grooves 39 are formed in the side walls of the connecting rings 36 between two adjacent connecting plates 37, the connecting grooves 39 can be used for inserting connecting plates 37 on the other connecting ring 36, clamping grooves 40 communicated with the connecting grooves 39 and the inner rings of the connecting rings 36 are formed in one end, close to the bottom ring 35, of the connecting ring 36, and the clamping hooks 38 can be clamped into the clamping grooves 40 of the other connecting ring 36, so that the adjacent connecting rings 36 are clamped and fixed together.

The implementation principle of the embodiment is as follows:

when the die carrier with adjustable this multiple position is used, install the plug 33 to the one end of adjusting the stick body 6, install the mould again between slider board 2 and the lower working table 1 for the plug 33 penetrates in the mould, along with slider board 2 drive movable mould reciprocating motion, thereby in the shaping product of plug 33 department, and every time the die sinking, roof 3 drives backing ring 34 ejecting, thereby release the product of shaping. When the dies mounted between the slide plate 2 and the lower workbench 1 are different, the position of the adjusting screw 26 is firstly adjusted, the first vortex rod 31 is rotated, the first turbine 30 is driven by the first vortex rod 31 to rotate, the first turbine 30 is driven by threads to drive the adjusting screw 26 to generate a rotation trend, the adjusting screw 26 is moved along the axial direction under the limit of the first guide block 28, the position of the adjusting nut 18 is then adjusted, the second vortex rod 20 is rotated, the second turbine 19 is driven by the second vortex rod 20 to rotate, the adjusting nut 18 generates a rotation trend, the adjusting nut 18 is moved along the axial direction under the limit of the second guide block 21, then the position of the top plate 3 is adjusted, the adjusting deflector 16 is rotated, the adjusting gear 15 is driven by the adjusting deflector 16 to rotate, the driving gear 9 is driven by the driving gear 9 to rotate, the driven gear 10 at both sides to generate a rotation trend, but under the limit of the third guide block 12, the driven gear 10 is driven by the driven gear 3 to move on the axial line, finally the thickness of the backing ring 34 is adjusted, the bottom ring 36 is finally fixed by the clamping ring 36 is inserted into the connecting plate 37 in turn through the fixing groove 39, and the connecting plate 37 is connected with the connecting plate 37 in turn.

The embodiments of the present invention are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a die carrier with adjustable multiposition which characterized in that: including lower workstation (1) and parallel support locate slider board (2) of lower workstation (1) one side, lower workstation (1) with centre gripping fixed die utensil is kept away from between slider board (2), one side that slider board (2) was kept away from to lower workstation (1) slides and is provided with roof (3), one side that roof (3) is close to lower workstation (1) is provided with and wears out lower workstation (1) to grommet (34) in the mould, roof (3) are parallel to lower workstation (1), one side that roof (3) kept away from lower workstation (1) is provided with first fixed plate (4), first fixed plate (4) with form between lower workstation (1) and supply roof (3) clearance that slides, one end that roof (3) were kept away from to first fixed plate (4) is provided with second fixed plate (5), be provided with perpendicularly on second fixed plate (5) and wear to first fixed plate (4) and roof (6) of following workstation (1), the adjusting rod body (6) comprises an adjusting screw rod (26) arranged on the second fixing plate (5) and a connecting rod (27) coaxially fixed at one end, far away from the second fixing plate (5), of the adjusting screw rod (26), a core rod (33) penetrating into a die and coaxial with the backing ring (34) is arranged at one end, penetrating out of the lower workbench (1), of the connecting rod (27), and a first adjusting device (32) for driving the adjusting screw rod (26) to slide along the axial direction is arranged at one end, close to the first fixing plate (4), of the second fixing plate (5);

the first adjusting device (32) comprises a first turbine (30) which is rotatably arranged at one end of the second fixed plate (5) close to the first fixed plate (4), and a first vortex rod (31) which is rotatably arranged on the second fixed plate (5) and drives the first turbine (30) to rotate, the adjusting screw (26) is coaxially and threadedly connected with the first turbine (30), a first guide block (28) is arranged at the side end of the adjusting screw (26) along the length direction, and a first guide groove (29) for the first guide block (28) to be inserted into and slide along the length direction of the adjusting screw (26) is formed in the second fixed plate (5);

the device is characterized in that an adjusting nut (18) is arranged on the first fixed plate (4) in a sliding manner, a connecting rod (27) is arranged in the middle of the adjusting nut (18) in a sliding manner, one end, away from the second fixed plate (5), of the first fixed plate (4) is provided with a second adjusting device (23) for driving the adjusting nut (18) to move along the axial direction, the second adjusting device (23) comprises a second turbine (19) rotatably arranged on the first fixed plate (4), a second vortex rod (20) rotatably arranged on the first fixed plate (4) and used for driving the second turbine (19) to rotate, the adjusting nut (18) is coaxially connected to the middle of the second turbine (19) through threads, a second guide block (21) is arranged at the side end of the adjusting nut (18) along the length direction, and a second guide groove (22) for allowing the second guide block (21) to be inserted and slide along the length direction of the adjusting nut (18) is formed in the first fixed plate (4);

the utility model discloses a sliding block plate (2) is close to one end of lower workstation (1) is provided with and wears out guiding post (7) of lower workstation (1), roof (3) are fixed in guiding post (7), be provided with the drive on roof (3) along third adjusting device (14) that guiding post (7) axis direction removed, third adjusting device (14) including rotate set up in roof (3) keep away from driving gear (9) of one side of lower workstation (1), rotate set up in driving gear (9) both sides and meshing in driven gear (10), threaded connection in driven gear (10) inner circle's trimmer nut (11), trimmer nut (11) coaxial cover is located guiding post (7) and slip wear to be established on roof (3), the side of trimmer nut (11) is provided with third guide block (12) along the axis direction, be provided with on roof (3) supply third guide block (12) and mesh in driving gear (9) one side of driving gear (9) is followed in the direction of driving gear (9) the slider is inserted in the trimmer nut (11), an adjusting deflector rod (16) is coaxially arranged at one end of the adjusting gear (15) far away from the top plate (3).

2. The multi-position adjustable scaffold of claim 1, wherein: a buffer cylinder (24) is arranged between the top plate (3) and the first fixed plate (4).

3. The multi-position adjustable scaffold of claim 1, wherein: the backing ring (34) comprises a bottom ring (35) fixed at one end of the top plate (3) close to the lower workbench (1) and a plurality of connecting rings (36) which are detachably connected and coaxially arranged together.

4. A multi-position adjustable scaffold according to claim 3, wherein: four connecting plates (37) are uniformly arranged on one end of the connecting ring (36) close to the bottom ring (35) in the circumferential direction, connecting grooves (39) for inserting the connecting plates (37) are formed in the side ends of the connecting ring (36), clamping hooks (38) are arranged on the inner sides, far away from one end of the connecting ring (36), and clamping grooves (40) for clamping the clamping hooks (38) and communicating with the inner ring of the connecting ring (36) are formed in one end of the connecting ring (36) close to the bottom ring (35).