CN115157566A

CN115157566A - Environment-friendly plastic injection mold convenient to adjust

Info

Publication number: CN115157566A
Application number: CN202210878776.8A
Authority: CN
Inventors: 高莹
Original assignee: Individual
Current assignee: Suzhou Sks Mould Technology Co ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2022-10-11
Anticipated expiration: 2042-07-25
Also published as: CN115157566B

Abstract

The invention discloses an environment-friendly plastic injection mold convenient to adjust, and belongs to the field of plastic injection. The utility model provides an environment-friendly plastics injection mold convenient to adjust, includes the bottom plate, still includes: the rectangular first vertical plate, the rectangular second vertical plate, the rectangular third vertical plate and the rectangular fourth vertical plate are vertically arranged on the upper end surface of the bottom plate, wherein the first vertical plate is fixedly connected to the upper end surface of the bottom plate, one end of each of the first vertical plate, the rectangular second vertical plate, the rectangular third vertical plate and the rectangular fourth vertical plate is fixedly connected with a sliding block, the four sliding blocks respectively abut against the outer walls of the second vertical plate, the rectangular third vertical plate, the rectangular fourth vertical plate and the rectangular fourth vertical plate, and the other end of each of the first vertical plate, the rectangular second vertical plate, the rectangular third vertical plate and the rectangular fourth vertical plate is fixedly connected with a fixed block; the invention can change the area of the injection cavity in the injection mold, thereby avoiding using a plurality of injection molds alternately, having small occupied space and being simple and convenient to operate.

Description

Environment-friendly plastic injection mold convenient to adjust

Technical Field

The invention relates to the technical field of plastic injection, in particular to an environment-friendly plastic injection mold convenient to adjust.

Background

An injection mold is a tool for producing plastic products and also a tool for giving the plastic products complete structure and precise dimensions. Injection molding is a process used to mass produce parts of some complex shapes. Specifically, the plastic melted by heating is injected into a mold cavity from an injection molding machine at high pressure, and a formed product is obtained after cooling and solidification.

Among the prior art, when using injection mold to mould plastics the not equidimension rectangular block, then need use different injection mold, it is less to influence in the workshop, and in the laboratory, the injection mold of a plurality of different models can occupy very big laboratory space, uses not nimble enough, when needing a brand-new size of moulding plastics, has to make new injection mold moreover, and this can be unfavorable for experimental research personnel's work efficiency.

Disclosure of Invention

The invention aims to solve the problem that the size of an injection mold in the prior art cannot be adjusted according to needs, and provides an environment-friendly plastic injection mold convenient to adjust.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides an environment-friendly plastics injection mold convenient to adjust, includes the bottom plate, still includes: the rectangular first vertical plate, the rectangular second vertical plate, the rectangular third vertical plate and the rectangular fourth vertical plate are vertically arranged on the upper end face of the bottom plate, wherein the first vertical plate is fixedly connected to the upper end face of the bottom plate, one end of each of the first vertical plate, the rectangular second vertical plate, the rectangular third vertical plate and the rectangular fourth vertical plate is fixedly connected with a sliding block, the four sliding blocks respectively abut against the outer walls of the second vertical plate, the rectangular fourth vertical plate and the rectangular first vertical plate, and the other ends of the first vertical plate, the rectangular second vertical plate, the rectangular third vertical plate and the rectangular fourth vertical plate are fixedly connected with fixing blocks; four sets of guiding mechanism connect between four sets of sliding blocks and the fixed block, wherein, all be connected with adjusting part between first riser and the third riser and between second riser and the fourth riser, adjusting part is used for adjusting the interval between first riser and the third riser and between second riser and the fourth riser.

Receive the direction in order to make first riser, second riser, third riser and fourth riser slip, preferably, four sets of guiding mechanism includes fixed connection four guide bar on the sliding block, four the guide bar is parallel with the surface of first riser, second riser, third riser and fourth riser respectively, wherein, four guide bar sliding connection respectively in four on the fixed block.

In order to conveniently adjust the injection molding area, furthermore, the adjusting part comprises two threaded rods, is respectively connected on the sliding blocks of the third vertical plate and the fourth vertical plate in a rotating mode, and is parallel to the guide rods, wherein the two threaded rods are respectively connected on the fixed blocks of the fourth vertical plate and the first vertical plate in a threaded mode, and the handles are installed at the tail ends of the two threaded rods.

In order to prevent the threaded rod from driving the second vertical plate, the third vertical plate and the fourth vertical plate to change positions when the threaded rod is not used, furthermore, a through hole is formed in the threaded rod, a long rod is sleeved in the through hole, one end of the long rod extends to the outer wall of the threaded rod, the handle is fixedly installed at one end of the long rod, an insertion hole communicated with the through hole is formed in the sliding block, a cylindrical block fixedly connected with one end of the long rod is arranged in the insertion hole, an anti-slip pipe matched with the cylindrical block is arranged on the inner wall of the insertion hole, and strip-shaped anti-slip lines are formed in the inner wall of the anti-slip pipe and the outer wall of the cylindrical block; the tail end of the cylindrical block is rotatably connected with a rotating block, and the rotating block is elastically connected with the inner wall of the jack through a return spring.

In order to promote the leakproofness between first riser, second riser, third riser and the fourth riser, further, first riser, second riser, third riser and fourth riser all are equipped with the device groove near the one end of sliding block, wherein, a plurality of equal sliding connection has the closing plate in the device groove, pass through elastic airbag elastic connection between the inner wall in closing plate and the device groove.

In order to ensure the sealing performance of the elastic air bag, the elastic air bag is further made of rubber.

In order to automatically inflate and deflate the elastic air bag, furthermore, a telescopic air bag is arranged between the cylindrical block and the inner wall of the jack and is communicated with the elastic air bag through a connecting pipe.

In order to prevent the threaded rod from rotating when not in use, furthermore, an annular cover is arranged on the outer wall of one end, close to the sliding block, of the threaded rod and is fixedly connected to the sliding block, sliding grooves are formed in the inner walls of the two sides of the annular cover, abutting blocks abutting against the outer wall of the threaded rod are connected in the two sliding grooves in a sliding mode, the abutting blocks are elastically connected with the inner walls of the sliding grooves through abutting springs, and the outer wall of the cylindrical block is provided with an ejection component matched with the abutting blocks.

In order to automatically lock the threaded rod, furthermore, the ejection assembly comprises a passive magnet fixedly installed in the two abutting blocks, a plurality of driving magnets distributed circumferentially are fixedly installed on the outer wall of the cylindrical block, and the magnetic poles of the opposite surfaces of the driving magnets and the passive magnet are the same.

In order to conveniently realize the injection molding operation, preferably, the upper end of the bottom plate is fixedly provided with a telescopic device, the upper end of the telescopic device is fixedly provided with a cover plate parallel to the bottom plate, and the middle part of the upper end of the cover plate is fixedly provided with an injection molding pipe.

Compared with the prior art, the invention provides the environment-friendly plastic injection mold convenient to adjust, which has the following beneficial effects:

1. according to the environment-friendly plastic injection mold convenient to adjust, the rotating threaded rod drives the fixing block to slide along the threaded rod, the fixing block can drive the second vertical plate, the third vertical plate and the fourth vertical plate to change positions, and the change of the length and the width of an injection molding cavity can be completed, so that a plurality of injection molds are not required to be used alternately, the occupied space is small, and the operation is very simple and convenient;

2. according to the environment-friendly plastic injection mold convenient to adjust, the long rod is driven to reversely push to reset through the reset spring, so that the cylindrical block slides back into the jack again, and when the handle is rotated, the long rod idles in the through hole, so that the threaded rod is prevented from mistakenly touching and rotating to influence injection molding precision during injection molding;

3. according to the environment-friendly plastic injection mold convenient to adjust, the movable cylindrical blocks can extrude the telescopic air bags through the rotating blocks, so that the sealing plates in the four device grooves can be tightly abutted to the inner walls of the first vertical plate, the second vertical plate, the third vertical plate and the fourth vertical plate respectively, and the tightness among the first vertical plate, the second vertical plate, the third vertical plate and the fourth vertical plate can be guaranteed, so that the tightness and the precision can be guaranteed after the injection molding area is adjusted;

4. this environment-friendly plastic injection mold convenient to adjust when moving in the non-slip tube through the cylindricality piece that removes, passive magnet can drive under the repulsion effect and support in the tight piece retracts to the spout, and the threaded rod then can not receive the restriction that supports tight piece, otherwise when the cylindricality piece is located the jack, support the outer wall that tight piece can support tight threaded rod under the effect of supporting tight spring, further prevent that the rotation from appearing the threaded rod and influence the condition of precision.

Drawings

FIG. 1 is a schematic axial view of an easily adjustable injection mold for molding plastic materials;

FIG. 2 is a schematic view of a partial axial structure of an adjustable injection mold for plastic materials;

FIG. 3 is a schematic top sectional view of an easily adjustable injection mold for plastic materials;

FIG. 4 is a schematic view of a portion of the structure of FIG. 3 of an adjustable injection mold for plastic materials;

FIG. 5 is an enlarged view of part A of FIG. 3 of an easily adjustable injection mold for green plastics according to the present invention;

FIG. 6 is an enlarged view of part B of FIG. 3 of an easily adjustable injection mold for green plastics according to the present invention;

FIG. 7 is an enlarged view of the portion C in FIG. 4 of the easily adjustable injection mold for environmentally friendly plastics according to the present invention;

FIG. 8 is an enlarged view of a portion D of FIG. 3 of the easily adjustable injection mold for plastic according to the present invention.

In the figure: 1. a base plate; 2. a cover plate; 3. a telescopic device; 4. injection molding a tube; 5. a first vertical plate; 6. a second vertical plate; 7. a third vertical plate; 8. a fourth vertical plate; 9. a slider; 10. a guide rod; 11. a fixed block; 12. a threaded rod; 13. a handle; 14. a through hole; 15. a long rod; 16. an anti-slip tube; 17. a jack; 18. a cylindrical block; 19. a return spring; 20. rotating the block; 21. a device slot; 22. sealing plates; 23. an elastic air bag; 24. a telescopic air bag; 25. a connecting pipe; 26. an annular cover; 27. a chute; 28. a propping block; 29. the spring is tightly propped; 30. a passive magnet; 31. and a driving magnet.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1:

referring to fig. 1 to 8, an environment-friendly plastic injection mold convenient to adjust includes a bottom plate 1, and further includes: the rectangular first vertical plate 5, the rectangular second vertical plate 6, the rectangular third vertical plate 7 and the rectangular fourth vertical plate 8 are vertically arranged on the upper end surface of the bottom plate 1, wherein the first vertical plate 5 is fixedly connected to the upper end surface of the bottom plate 1, one end of each of the first vertical plate 5, the second vertical plate 6, the rectangular third vertical plate 7 and the rectangular fourth vertical plate 8 is fixedly connected with a sliding block 9, the four sliding blocks 9 respectively abut against the outer walls of the second vertical plate 6, the rectangular third vertical plate 7, the rectangular fourth vertical plate 8 and the rectangular fourth vertical plate 8, and the other end of each of the first vertical plate 5, the rectangular second vertical plate 6, the rectangular third vertical plate 7 and the rectangular fourth vertical plate 8 is fixedly connected with a fixed block 11; four sets of guiding mechanism connect between four sets of sliding blocks 9 and fixed block 11, wherein, all be connected with the adjusting part between first riser 5 and the third riser 7 and between second riser 6 and the fourth riser 8, the adjusting part is used for adjusting the interval between first riser 5 and the third riser 7 and between second riser 6 and the fourth riser 8.

In practice, as shown in fig. 3, one end of the first vertical plate 5 is just perpendicular to the second vertical plate 6, one end of the second vertical plate 6 is just perpendicular to the third vertical plate 7, one end of the third vertical plate 7 is just perpendicular to the fourth vertical plate 8, and the position relationship among the first vertical plate 5, the second vertical plate 6, the third vertical plate 7 and the fourth vertical plate 8 is similar to the placement of mahjong.

When using, the cavity that first riser 5, second riser 6, third riser 7 and fourth riser 8 formed is the chamber of moulding plastics of rectangle promptly, when the chamber of moulding plastics of the different areas of needs, can accomplish the change of moulding plastics chamber length and width through adjusting part and guiding mechanism to need not to use a plurality of injection mold to use by turns, occupation space is little, and operation is also very simple and convenient, has indirectly promoted staff's work efficiency.

Further, the upper end fixed mounting of bottom plate 1 has flexible equipment 3, the upper end fixed mounting of flexible equipment 3 has apron 2 parallel with bottom plate 1, the fixed pipe 4 of moulding plastics that is equipped with in upper end middle part of apron 2, during moulding plastics, can drive 2 roof pressures of apron and cover at riser 5 through flexible equipment 3, second riser 6, the upper end of third riser 7 and fourth riser 8, thereby make riser 5, second riser 6, guarantee the leakproofness between third riser 7 and fourth riser 8 and the bottom plate 1, then through the pipe 4 of moulding plastics on the apron 2 to riser 5, second riser 6, the rectangle wall internal infusion that third riser 7 and fourth riser 8 formed moulds plastics the raw materials can.

Example 2:

referring to fig. 1-7, essentially the same as in example 1, further, specific embodiments of the guide mechanism and adjustment assembly are specifically disclosed.

The four groups of guide mechanisms comprise guide rods 10 fixedly connected to four sliding blocks 9, the four guide rods 10 are respectively parallel to the surfaces of a first vertical plate 5, a second vertical plate 6, a third vertical plate 7 and a fourth vertical plate 8, the four guide rods 10 are respectively connected to four fixing blocks 11 in a sliding mode, the adjusting component comprises two threaded rods 12 which are respectively connected to the sliding blocks 9 of the third vertical plate 7 and the fourth vertical plate 8 in a rotating mode and are arranged in parallel to the guide rods 10, the two threaded rods 12 are respectively connected to the fixing blocks 11 of the fourth vertical plate 8 and the first vertical plate 5 in a threaded mode, and handles 13 are mounted at the tail ends of the two threaded rods 12;

when the chamber of moulding plastics of different areas of needs, it rotates to drive threaded rod 12 through handle 13, threaded rod 12 then can drive fixed block 11 rather than threaded connection and slide along threaded rod 12, fixed block 11 then can drive the synchronous slip of third riser 7, third riser 7 then can drive the synchronous slip of second riser 6, can accomplish the change of the chamber length of moulding plastics, thereby need not to use a plurality of injection mold alternate use, occupation space is little, the operation is also very simple and convenient, and when

third riser

7 and 6 lateral sliding of second riser, guide bar 10 can slide on fixed block 11, thereby reach the effect of direction, when the chamber of moulding plastics of different width is adjusted to needs, rotate another handle 13 with the same mode, then can drive fourth riser 8 and carry out longitudinal sliding with riser 5, can accomplish the change of the chamber length of moulding plastics.

Example 3:

referring to fig. 3, 4, 6 and 7, substantially the same as example 1, further, an embodiment for preventing the second threaded rod 12 from rotating is added.

A through hole 14 is formed in the threaded rod 12, a long rod 15 is sleeved in the through hole 14, one end of the long rod 15 extends to the outer wall of the threaded rod 12, and a handle 13 is fixedly installed at one end of the long rod 15, wherein an insertion hole 17 communicated with the through hole 14 is formed in the sliding block 9, a cylindrical block 18 fixedly connected with one end of the long rod 15 is arranged in the insertion hole 17, an anti-skidding pipe 16 matched with the cylindrical block 18 is arranged on the inner wall of the insertion hole 17, and strip-shaped anti-skidding lines are formed in the inner wall of the anti-skidding pipe 16 and the outer wall of the cylindrical block 18; the tail end of the cylindrical block 18 is rotatably connected with a rotating block 20, and the rotating block 20 is elastically connected with the inner wall of the jack 17 through a return spring 19;

when adjusting the injection molding chamber of different areas, at first need through handle 13 pulling stock 15, stock 15 can drive cylindricality piece 18 and remove in the through-hole 14, and block in anti-skidding pipe 16, rotate handle 13 this moment, handle 13 can drive stock 15 and cylindricality piece 18 and rotate, because the anti-skidding line of cylindricality piece 18 outer wall, cylindricality piece 18 can drive anti-skidding pipe 16 and threaded rod 12 and rotate, can accomplish the regulation of the area of moulding plastics when threaded rod 12 rotates, and after the regulation is accomplished, loosen handle 13, reset spring 19 can drive stock 15 reverse promotion and reset, thereby make cylindricality piece 18 slide back in jack 17 once more, at this moment when rotating handle 13, stock 15 can idle running in through-hole 14, thereby prevent during moulding plastics, threaded rod 12 can miss the touch and rotate and influence the precision of moulding plastics.

Example 4:

referring to fig. 3, 4, 7 and 8, substantially the same as in example 1, further embodiments of raising the seal between the first riser 5, the second riser 6, the third riser 7 and the fourth riser 8 are specifically added.

The ends, close to the sliding block 9, of the first vertical plate 5, the second vertical plate 6, the third vertical plate 7 and the fourth vertical plate 8 are respectively provided with a device groove 21, wherein sealing plates 22 are connected in the device grooves 21 in a sliding manner, and the sealing plates 22 are elastically connected with the inner walls of the device grooves 21 through elastic air bags 23; an expansion air bag 24 is arranged between the cylindrical block 18 and the inner wall of the jack 17, and the expansion air bag 24 is communicated with the elastic air bag 23 through a connecting pipe 25.

When cylindricality piece 18 resets in to jack 17, cylindricality piece 18 can pass through turning block 20 extrusion flexible gasbag 24, flexible gasbag 24 then can carry four elasticity gasbags 23 with inside air in through connecting pipe 25, four elasticity gasbags 23 then can appear expanding, thereby make the closing plate 22 in four device grooves 21 support tightly at riser 5 respectively, second riser 6, on the inner wall of third riser 7 and fourth riser 8, can guarantee riser 5, second riser 6, guarantee the leakproofness between third riser 7 and the fourth riser 8, thereby guarantee to adjust the area of moulding plastics after, can also guarantee leakproofness and precision, and when adjusting the size, cylindricality piece 18 can pass through the flexible gasbag 24 of turning block 20, flexible gasbag 24 then can be with the gas in the elasticity gasbag 23 in the chamber of resorption, four group's closing plate 22 then can not support tightly at riser 5, second riser 6, on the outer wall of third riser 7 and fourth riser 8, thereby when making the regulation size of moulding plastics, 22 can not increase riser 5, second riser 6, the closing plate 7 and the resistance of fourth riser 8 slip when sliding.

Furthermore, the material of elasticity gasbag 23 is the rubber material, and the leakproofness between first riser 5, second riser 6, third riser 7 and the fourth riser 8 can effectively be guaranteed to the elasticity gasbag 23 of rubber material.

Example 5:

referring to fig. 3, 4 and 7, substantially the same as in example 1, further, a specific embodiment for preventing the idle rotation of the threaded rod 12 is added.

An annular cover 26 is arranged on the outer wall of one end, close to the sliding block 9, of the threaded rod 12, the annular cover 26 is fixedly connected to the sliding block 9, sliding grooves 27 are formed in the inner walls of two sides of the annular cover 26, abutting blocks 28 abutting against the outer wall of the threaded rod 12 are connected in the two sliding grooves 27 in a sliding mode, the abutting blocks 28 are elastically connected with the inner walls of the sliding grooves 27 through abutting springs 29, and an abutting component matched with the abutting blocks 28 is arranged on the outer wall of the cylindrical block 18;

furthermore, the lift-off assembly includes a passive magnet 30 fixedly mounted in the two abutting blocks 28, and a plurality of circumferentially distributed active magnets 31 are fixedly mounted on the outer wall of the cylindrical block 18, and the opposite magnetic poles of the active magnets 31 and the passive magnet 30 are the same.

When the cylindrical block 18 moves into the anti-slip tube 16, the driving magnet 31 can be aligned with the driven magnets 30, and because the opposite magnetic poles of the driving magnet 31 and the driven magnets 30 are the same, the driven magnets 30 can drive the abutting block 28 to retract into the sliding groove 27 under the action of repulsive force, the threaded rod 12 cannot be limited by the abutting block 28, otherwise, when the cylindrical block 18 is located in the insertion hole 17, the abutting block 28 can abut against the outer wall of the threaded rod 12 under the action of the abutting spring 29, and the situation that the precision is influenced by the rotation of the threaded rod 12 is further prevented.

When the environment-friendly plastic injection mold convenient to adjust is used, a cavity formed by a first vertical plate 5, a second vertical plate 6, a third vertical plate 7 and a fourth vertical plate 8 is a rectangular injection molding cavity, when injection molding cavities with different areas are needed, a handle 13 pulls a long rod 15, the long rod 15 can drive a cylindrical block 18 to move into a through hole 14 and be clamped into an anti-slip pipe 16, the handle 13 is rotated at the moment, the handle 13 can drive the long rod 15 and the cylindrical block 18 to rotate, due to anti-slip lines on the outer wall of the cylindrical block 18, the cylindrical block 18 can drive the anti-slip pipe 16 and a threaded rod 12 to rotate, the threaded rod 12 can drive a fixed block 11 in threaded connection with the threaded block to slide along the threaded rod 12, the fixed block 11 can drive the third vertical plate 7 to slide synchronously, the third vertical plate 7 can drive the second vertical plate 6 to slide synchronously, the length of the injection molding cavity can be changed, a plurality of injection molds are not needed to be used alternately, the occupied space is small, the operation is simple and convenient, when the third vertical plate 7 and the second vertical plate 6 slide, the guide rod 10 can achieve the effect of sliding on the fixed block 11, so that the injection molding cavity can be changed, when the injection molding cavity is driven, the injection molding cavity can be changed in a different vertical direction, and the injection molding cavity can be changed, and the injection molding cavity can be driven by another injection molding cavity with the injection molding cavity in a different injection molding cavity, and the injection molding cavity in a different injection molding mode, and the injection molding mode of another injection molding mode of the injection molding cavity, and the injection molding cavity can be changed;

after the regulation is accomplished, loose handle 13, reset spring 19 can drive stock 15 reverse promotion and reset, thereby make cylindricality piece 18 slide again and return in jack 17, at this moment when rotating handle 13, stock 15 can idle rotation in through-hole 14, thereby prevent during moulding plastics, threaded rod 12 can miss the touch rotation and influence the precision of moulding plastics, and when cylindricality piece 18 resets to jack 17, cylindricality piece 18 can pass through turning block 20 extrusion flexible gasbag 24, flexible gasbag 24 then can pass through the connecting pipe 25 with the air of inside and carry in four elasticity gasbags 23, four elasticity gasbags 23 then can appear expanding, thereby make the sealing plate 22 in four device grooves 21 support tightly at riser 5 respectively, second riser 6, on the inner wall of third riser 7 and fourth riser 8, can guarantee first riser 5, second riser 6, guarantee the leakproofness and the precision between third riser 7 and the fourth riser 8, thereby guarantee to adjust after the area of moulding plastics, and when adjusting the size, cylindricality piece 18 can pass through turning block 20 tensile gasbag 24, the flexible gasbag 24 then can not make the flexible gasbag 23 in the sealing plate 7 and the sealing plate 5 of fourth riser 5 and the resistance of the slip tight riser 5, thereby the resistance of the fourth riser 5 can not support when adjusting the riser 5 and the flexible gasbag.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides an environment-friendly plastics injection mold convenient to adjust, includes bottom plate (1), its characterized in that still includes:

a first vertical plate (5), a second vertical plate (6), a third vertical plate (7) and a fourth vertical plate (8) which are distributed in a rectangular shape are all vertically arranged on the upper end surface of the bottom plate (1),

the first vertical plate (5) is fixedly connected to the upper end face of the bottom plate (1), one end of each of the first vertical plate (5), the second vertical plate (6), the third vertical plate (7) and the fourth vertical plate (8) is fixedly connected with a sliding block (9), the four sliding blocks (9) respectively abut against the outer walls of the second vertical plate (6), the third vertical plate (7), the fourth vertical plate (8) and the first vertical plate (5), and the other ends of the first vertical plate (5), the second vertical plate (6), the third vertical plate (7) and the fourth vertical plate (8) are fixedly connected with fixing blocks (11);

four groups of guide mechanisms are connected between the four groups of sliding blocks (9) and the fixed blocks (11),

wherein, all be connected with adjusting part between first riser (5) and third riser (7) and between second riser (6) and fourth riser (8), adjusting part is used for adjusting the interval between first riser (5) and third riser (7) and between second riser (6) and fourth riser (8).

2. The environment-friendly plastic injection mold convenient to adjust of claim 1, wherein the four sets of guide mechanisms comprise:

the four guide rods (10) are fixedly connected to the four sliding blocks (9), the four guide rods (10) are respectively parallel to the surfaces of the first vertical plate (5), the second vertical plate (6), the third vertical plate (7) and the fourth vertical plate (8),

the four guide rods (10) are respectively connected to the four fixing blocks (11) in a sliding mode.

3. The environment-friendly plastic injection mold facilitating adjustment according to claim 2, wherein the adjustment assembly comprises:

two threaded rods (12) which are respectively connected on the sliding blocks (9) of the third vertical plate (7) and the fourth vertical plate (8) in a rotating way and are arranged in parallel with the guide rods (10),

wherein, two threaded rod (12) threaded connection respectively on fixed block (11) on fourth riser (8) and first riser (5), two handle (13) are all installed to the end of threaded rod (12).

4. The environment-friendly plastic injection mold convenient to adjust according to claim 3, wherein a through hole (14) is formed in the threaded rod (12), a long rod (15) is sleeved in the through hole (14), one end of the long rod (15) extends to the outer wall of the threaded rod (12), the handle (13) is fixedly installed at one end of the long rod (15),

the anti-skid device is characterized in that an insertion hole (17) communicated with the through hole (14) is formed in the sliding block (9), a cylindrical block (18) fixedly connected with one end of the long rod (15) is arranged in the insertion hole (17), an anti-skid pipe (16) matched with the cylindrical block (18) is arranged on the inner wall of the insertion hole (17), and strip-shaped anti-skid grains are arranged on the inner wall of the anti-skid pipe (16) and the outer wall of the cylindrical block (18);

the tail end of the cylindrical block (18) is rotatably connected with a rotating block (20), and the rotating block (20) is elastically connected with the inner wall of the jack (17) through a return spring (19).

5. The environment-friendly plastic injection mold convenient to adjust of claim 4, wherein the ends of the first vertical plate (5), the second vertical plate (6), the third vertical plate (7) and the fourth vertical plate (8) close to the sliding block (9) are provided with device grooves (21),

the sealing plates (22) are connected in the device grooves (21) in a sliding mode, and the sealing plates (22) are elastically connected with the inner walls of the device grooves (21) through elastic air bags (23).

6. The environment-friendly plastic injection mold convenient to adjust of claim 5, wherein the elastic air bag (23) is made of rubber.

7. The environment-friendly plastic injection mold convenient to adjust of claim 5, wherein a telescopic air bag (24) is installed between the cylindrical block (18) and the inner wall of the insertion hole (17), and the telescopic air bag (24) is communicated with the elastic air bag (23) through a connecting pipe (25).

8. The environment-friendly plastic injection mold convenient to adjust as recited in claim 4, wherein an annular cover (26) is arranged on the outer wall of one end of the threaded rod (12) close to the sliding block (9), the annular cover (26) is fixedly connected to the sliding block (9),

the inner walls of two sides of the annular cover (26) are provided with sliding grooves (27), two sliding grooves (27) are internally connected with abutting blocks (28) abutting against the outer wall of the threaded rod (12) in a sliding mode, the abutting blocks (28) are elastically connected with the inner walls of the sliding grooves (27) through abutting springs (29), and the outer wall of the cylindrical block (18) is provided with an abutting component matched with the abutting blocks (28).

9. The environment friendly plastic injection mold facilitating adjustment according to claim 8, wherein the lift-off assembly comprises:

the two abutting blocks (28) are fixedly arranged on the outer wall of the cylindrical block (18), the two abutting blocks (30) are fixedly arranged on the outer wall of the cylindrical block, a plurality of driving magnets (31) distributed circumferentially are fixedly arranged on the outer wall of the cylindrical block, and the magnetic poles of the opposite surfaces of the driving magnets (31) and the magnetic poles of the opposite surfaces of the driven magnets (30) are the same.

10. The environment-friendly plastic injection mold convenient to adjust according to claim 1, wherein a telescopic device (3) is fixedly mounted at the upper end of the bottom plate (1), a cover plate (2) parallel to the bottom plate (1) is fixedly mounted at the upper end of the telescopic device (3), and an injection molding pipe (4) is fixedly arranged in the middle of the upper end of the cover plate (2).