CN110524758B - Swinging block direct-pressure type die assembly structure of rubber forming machine - Google Patents

Swinging block direct-pressure type die assembly structure of rubber forming machine Download PDF

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Publication number
CN110524758B
CN110524758B CN201910775001.6A CN201910775001A CN110524758B CN 110524758 B CN110524758 B CN 110524758B CN 201910775001 A CN201910775001 A CN 201910775001A CN 110524758 B CN110524758 B CN 110524758B
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China
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plate
mounting plate
fixing
fixedly connected
lower die
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CN201910775001.6A
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CN110524758A (en
Inventor
朱德敏
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Ningguo Gesite Sealing Products Co ltd
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Ningguo Gesite Sealing Products Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00Moulds or cores; Details thereof or accessories therefor
    • B29C33/20Opening, closing or clamping
    • B29C33/22Opening, closing or clamping by rectilinear movement
    • B29C33/24Opening, closing or clamping by rectilinear movement using hydraulic or pneumatic means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00Moulds or cores; Details thereof or accessories therefor
    • B29C33/20Opening, closing or clamping
    • B29C33/26Opening, closing or clamping by pivotal movement
    • B29C33/28Opening, closing or clamping by pivotal movement using hydraulic or pneumatic means

Abstract

The invention discloses a rocker direct-pressing type die closing structure of a rubber forming machine, which belongs to the technical field of rubber forming and comprises a base, a mounting plate a, a lower die and an upper die, wherein the mounting plate a is fixedly arranged at the top of the base, the lower die is arranged at the top of the mounting plate a, the bottoms of two sides of the base are fixedly connected with a bottom plate, the top of the bottom plate is fixedly provided with a hydraulic cylinder, the output end of the hydraulic cylinder is fixedly connected with a fixing plate, a mounting plate b positioned at the top of the lower die is rotatably connected between the two fixing plates, the upper die is fixedly arranged at the bottom of the mounting plate b, and the rear ends of two sides of the top of the mounting plate a are fixedly connected with a vertical plate, the safety of staff in work is improved.

Description

Swinging block direct-pressure type die assembly structure of rubber forming machine
Technical Field
The invention relates to the technical field of rubber molding, in particular to a rocker block direct-pressing type mold closing structure of a rubber molding machine.
Background
Rubber (Rubber) is a high-elasticity polymer material with reversible deformation, has elasticity at room temperature, can generate large deformation under the action of small external force, and can recover the original shape after the external force is removed, and the physical properties of natural Rubber. Natural rubber has high elasticity at normal temperature, is slightly plastic, has very good mechanical strength, has small hysteresis loss, generates low heat when deformed for many times, and therefore has good flexing resistance, and has good electrical insulation performance because it is nonpolar rubber.
The utility model discloses a rocker block direct-compression type mold closing structure of a rubber plastic forming machine in the Chinese utility model patent with the publication number of CN207997483U and the publication number of 2018-10-23, which comprises a mold closing oil cylinder, a machine shell, a fixed upper template, a fixed lower template, a damping device, a lower platform, a lower workbench, a motor box, an access door, a control panel, a heat dissipation plate, a pull rod, a mold adjuster and an upper workbench, wherein the mold closing oil cylinder is arranged on the upper surface of the machine shell, the damping device comprises an upper top plate, an upper spring glue, a damping plate, a support rod, a lower rod, a small spring, a fixed spring rod, a lower spring glue, a spring and a lower bottom plate, the rocker block direct-compression type mold closing structure of the rubber plastic forming machine is structurally provided with the damping device, the vibration passes through the first layer of damping plate to the upper top plate, the upper top plate is pressed downwards to enable the upper spring glue and the support rod to press the small spring and the spring downwards, utilize little spring of elasticity and spring to produce relative power, reduced the pressure of vibrations, reduced the vibrations of fixed cope match-plate pattern and fixed lower bolster, the fashioned work piece of stable compound die.
Above-mentioned rubber plastic forming machine's compound die structure is when using, and the stroke of going up the mould is great for the pressfitting efficiency of make-up machine is lower, but adjusts the stroke of going up the mould for the distance between mould and the bed die reduces, and operating space is little, and inconvenient staff puts the rubber material in the bed die, makes the staff security reduction at the during operation simultaneously.
Based on the above, the invention designs a rocking block direct-pressing type mold closing structure of a rubber molding machine, which aims to solve the problems.
Disclosure of Invention
The invention aims to provide a rocker block direct-pressing type mold closing structure of a rubber molding machine, which solves the problems that when the mold closing structure of the traditional rubber plastic molding machine provided in the background art is used, the stroke of an upper mold is large, so that the pressing efficiency of the molding machine is low, but the stroke of the upper mold is small, so that the distance between the upper mold and a lower mold is reduced, and the operation space is small.
In order to achieve the purpose, the invention provides the following technical scheme: a swinging block direct-pressing type die closing structure of a rubber forming machine comprises a base, a mounting plate a, a lower die and an upper die, wherein the mounting plate a is fixedly mounted at the top of the base, the lower die is arranged at the top of the mounting plate a, the bottoms of two sides of the base are fixedly connected with a bottom plate, a hydraulic cylinder is fixedly mounted at the top of the bottom plate, the output end of the hydraulic cylinder is fixedly connected with a fixing plate, a mounting plate b positioned at the top of the lower die is rotatably connected between the two fixing plates, the upper die is fixedly mounted at the bottom of the mounting plate b, the rear ends of two sides of the top of the mounting plate a are fixedly connected with a vertical plate, one side of the vertical plate close to the mounting plate b is provided with a limiting groove, the limiting groove comprises a chute and a vertical groove communicated with the bottom of the chute, the chute inclines forwards from the bottom, both sides of the mounting plate b are fixedly connected with a fixing rod connected with the vertical plate in a sliding manner, the top fixedly connected with of base both sides is used for the fixed establishment of position about the fixed bed die, the bar hole has all been seted up at the both ends of side around the mounting panel a, and is provided with the bolt assembly who is used for fixed bed die front and back position on the bar hole.
Preferably, the total number of pneumatic cylinders is eight, and fixed mounting has four pneumatic cylinders on every bottom plate, and the top of four pneumatic cylinder piston rods is provided with the external screw thread, and the top of four piston rods runs through the fixed plate and stretches out to the top of fixed plate, and the surperficial threaded connection of piston rod has two nuts a with the contact of fixed plate both sides respectively.
Preferably, the bed die includes from last to lower fixed connection's horizontal plate an, horizontal plate b and horizontal plate c in proper order, and horizontal plate a is the same with horizontal plate c's length, and horizontal plate b's length is greater than horizontal plate a's length, the both ends of the front and back side of bed die have all been seted up with bolt assembly matched with fluting.
Preferably, the top of the left side and the top of the right side of the base are symmetrically and fixedly connected with two fixing mechanisms, and the hydraulic cylinder is located between the two fixing mechanisms.
Preferably, the fixing mechanism comprises a transverse plate fixed on the base, threaded columns are transversely and symmetrically fixedly connected to the top of the transverse plate, moving blocks capable of moving left and right are sleeved on the surfaces of the two threaded columns, long round holes matched with the two threaded columns are formed in the top of each moving block, nuts b in contact with the two sides of each moving block are in threaded connection with the upper end and the lower end of the surface of each threaded column, and a clamping groove in sliding connection with the horizontal plate b is formed in one side, close to the lower die, of each moving block.
Preferably, the depth of the clamping groove is equal to the difference between the lengths of the horizontal plate b and the horizontal plate a.
Preferably, the four corners of the bottom of the upper die are fixedly connected with positioning rods, the positioning rods are frustum-shaped, the diameter of the top surface is larger than that of the bottom surface, and positioning grooves for inserting the positioning rods are formed in the four corners of the top of the lower die.
Preferably, when the fixing rod is positioned in the inner cavity of the chute, the front end of the mounting plate b tilts upwards.
Preferably, the mounting plate b is horizontal when the fixing rod is located in the inner cavity of the vertical slot.
Compared with the prior art, the invention has the beneficial effects that: the invention arranges hydraulic cylinders on two sides of a base, fixedly installs fixed plates on the output end of the hydraulic cylinder, rotatably connects a mounting plate b between the two fixed plates, drives an upper mould to move downwards by adopting the mode that the hydraulic cylinder contracts to pull the fixed plates downwards, and fixes two vertical plates with chutes and vertical grooves at the rear ends of two sides of the top of the base, the rear ends of two sides of the mounting plate b are fixed with fixing rods which are in sliding fit with the chutes and the vertical grooves, further, when the fixing rods are positioned in the inner cavity of a limiting groove, the front end of the mounting plate b is tilted upwards to provide a larger operation space for workers, thereby being convenient for the workers to use, when the fixing rods are positioned in the inner cavity of the vertical grooves, the mounting plate b is horizontal, so that the upper mould can be ensured to be horizontal when moving downwards, and the normal operation of pressing is ensured, the swinging block vertical pressing type mould closing structure of the rubber forming machine is simple, the operation is convenient, and under the condition that the stroke of the upper mould is smaller, the front end of mould upwarps, and then increases staff's operating space, makes things convenient for the staff to add the rubber material to the bed die in, has improved the security of staff at the during operation.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic perspective view of the upper mold of the present invention when tilted;
FIG. 2 is a perspective view of the upper mold of the present invention from another perspective when tilted;
FIG. 3 is a schematic perspective view of the present invention with the upper mold horizontal;
FIG. 4 is a schematic perspective view of a mounting plate b and riser of the present invention;
FIG. 5 is a schematic perspective view of the lower mold of the present invention;
FIG. 6 is a perspective view of the fixing mechanism of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1. a base; 2. mounting plate a; 21. a strip-shaped hole; 3. a lower die; 31. a horizontal plate a; 32. a horizontal plate b; 33. a horizontal plate c; 301. grooving; 302. positioning a groove; 4. a base plate; 5. a hydraulic cylinder; 6. a fixing plate; 7. a mounting plate b; 8. an upper die; 9. a vertical plate; 91. a limiting groove; 911. a chute; 912. a vertical slot; 10. fixing the rod; 11. a fixing mechanism; 111. a transverse plate; 112. a threaded post; 113. a moving block; 114. a long round hole; 115. a nut b; 116. a card slot; 12. and (5) positioning the rod.
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.
Referring to fig. 1-6, the present invention provides a technical solution: a rocker block direct-pressure type die assembly structure of a rubber forming machine comprises a base 1, a mounting plate a2, a lower die 3 and an upper die 8, wherein the mounting plate a2 is fixedly mounted at the top of the base 1, the lower die 3 is arranged at the top of the mounting plate a2, bottom plates 4 are fixedly connected to the bottoms of two sides of the base 1, four hydraulic cylinders 5 are fixedly mounted at the top of each bottom plate 4, external threads are arranged at the top ends of piston rods of the four hydraulic cylinders 5, the top ends of the four piston rods penetrate through a fixing plate 6 and extend out of the top of the fixing plate 6, two nuts a which are respectively contacted with two sides of the fixing plate 6 are in threaded connection with the surface of each piston rod, through the matching of the nuts a and the external threads on the piston rods, a worker can adjust the heights of the two nuts a by rotating the nuts a at the upper side and the lower side of the fixing plate 6, further adjust the height of the fixing plate 6, and conveniently adjust the dies with different thicknesses up and down, so as to ensure that the lower die 3 and the upper die 8 can be normally matched;
the center between the two fixing plates 6 is rotatably connected with a mounting plate b7 positioned at the top of the lower die 3 through a rotating shaft, the upper die 8 is fixedly mounted at the bottom of the mounting plate b7, the four corners of the bottom of the upper die 8 are fixedly connected with positioning rods 12, each positioning rod 12 is in a frustum shape, the diameter of the top surface is larger than that of the bottom surface, the four corners of the top of the lower die 3 are respectively provided with positioning grooves 302 for the insertion of the positioning rods 12, through the matching of the positioning rods 12 and the positioning grooves 302, when the upper die 8 and the lower die 3 are closed, the positioning rods 12 at the bottom of the upper die 8 can be inserted into the positioning grooves 302, and as the diameter of the bottom of each positioning rod 12 is smaller than that of the top, the positioning rods 12 cannot be inserted to be deviated when being inserted, and the upper die 8 and the lower die 3 are more accurate when closed;
the rear ends of two sides of the top of the mounting plate a2 are fixedly connected with vertical plates 9, one side of each vertical plate 9, which is close to the mounting plate b7, is provided with a limiting groove 91, each limiting groove 91 comprises a chute 911 and a vertical groove 912 communicated with the bottom of the chute 911, the chute 911 inclines forwards from bottom to top, two sides of the mounting plate b7 are fixedly connected with fixing rods 10 connected with the vertical plates 9 in a sliding manner, during mold closing, the hydraulic cylinders 5 contract to enable the piston rods to drive the fixing plates 6 to move downwards, the fixing plates 6 drive the mounting plate b7 to move downwards, the mounting plate b7 drives the fixing rods 10 to slide downwards along the vertical plates 9, when the vertical plates 9 are located in the limiting grooves 91, as the horizontal distance between the limiting grooves 91 and the rotating shafts is smaller than the distance between the fixing rods 10 and the rotating shafts when the mounting plates b7 are at the level, when the fixing rods 10 are located in the chutes 911, the mounting plates b7 and the upper molds 8 are in an inclined state, and the mounting plates b7 and the front ends of the upper molds 8 tilt upwards, the closer the fixing rod 10 is to the vertical groove 912 in the limiting groove 91, the more horizontal it tends to be; when the fixing rod 10 is positioned in the vertical groove 912, because the horizontal distance between the vertical groove 912 and the rotating shaft is equal to the distance between the fixing rod 10 and the rotating shaft when the mounting plate b7 is horizontal, when the fixing rod 10 is positioned in the vertical groove 912, the mounting plate b7 and the upper die 8 are in a horizontal state, and the effect of increasing the operating space of a worker is further ensured under the condition that the stroke of the mounting plate b7 is small;
the top of the two sides of the base 1 is symmetrically and fixedly connected with fixing mechanisms 11 for fixing the left position and the right position of the lower die 3, the hydraulic cylinder 5 is positioned between the two fixing mechanisms 11, the two sides of the lower die 3 are fixed through the arrangement of four groups of fixing mechanisms 11, the lower die 3 is ensured not to deviate during working, the two ends of the front side and the rear side of the mounting plate a2 are respectively provided with a strip-shaped hole 21, a bolt assembly for fixing the front position and the rear position of the lower die 3 is arranged on each strip-shaped hole 21, the lower die 3 comprises a horizontal plate a31, a horizontal plate b32 and a horizontal plate c33 which are sequentially and fixedly connected from top to bottom, the lengths of the horizontal plate a31 and the horizontal plate c33 are the same, the length of the horizontal plate b32 is greater than that of the horizontal plate a31, the two ends of the front side and the rear side of the lower die 3 are respectively provided with a slot 301 matched with the bolt assembly, and the contact area of the bolt assembly and the lower die 3 is increased through the slots 301, the fixing effect of the bolt assembly on the lower die 3 is improved, the fixing mechanism 11 comprises a transverse plate 111 fixed on the base 1, threaded columns 112 are transversely and symmetrically fixedly connected to the top of the transverse plate 111, moving blocks 113 capable of moving left and right are sleeved on the surfaces of the two threaded columns 112, long round holes 114 matched with the two threaded columns 112 are formed in the tops of the moving blocks 113, nuts b115 in contact with the two sides of the moving blocks 113 are in threaded connection with the upper and lower ends of the surfaces of the threaded columns 112, a clamping groove 116 in sliding connection with a horizontal plate b32 is formed in one side, close to the lower die 3, of the moving blocks 113, the depth of the clamping groove 116 is equal to the difference between the lengths of the horizontal plate b32 and the horizontal plate a31, when the lower die 3 is fixed, the lower die 3 is placed on the mounting plate a2, the two nuts b115 are loosened by screwing, then the moving blocks 113 are close to the lower die 3, so that the clamping groove 116 in the moving blocks 113 is clamped on the horizontal plate b32, the two nuts b115 are screwed to fix the position of the moving block 113, so that the front and back deviation of the lower die 3 during operation is avoided, then the bolt assembly is placed in the strip-shaped hole 21, the bolt assembly is in contact with the groove 301, the lower die 3 is fixed in the front and back direction, the front and back deviation of the lower die 3 during operation is avoided, and the effect of stably fixing the lower die 3 is achieved.
One specific application of this embodiment is: when the die is closed, a worker opens the hydraulic cylinder 5, the hydraulic cylinder 5 contracts to enable the piston rod to drive the fixing plate 6 to move downwards, the fixing plate 6 drives the mounting plate b7 to move downwards, the mounting plate b7 drives the fixing rod 10 to slide downwards along the vertical plate 9, when the fixing rod 10 slides downwards in the inclined groove 911, the mounting plate b7 and the upper die 8 rotate to tend to be horizontal, when the fixing rod 10 slides into the vertical groove 912, the mounting plate b7 and the upper die 8 are horizontal, and then the upper die 8 moves downwards to be matched with the lower die 3 for pressing;
on the contrary, after the pressfitting was accomplished, extend through pneumatic cylinder 5 and drive fixed plate 6 rebound, fixed plate 6 drives mounting panel b7 and goes up mould 8 rebound, goes up mould 8 and drives dead lever 10 along riser 9 rebound for when dead lever 10 rises to perpendicular groove 912 highest point, mounting panel b7 upwarps with the front end of last mould 8, provides great operating space for the staff, makes things convenient for the staff to use.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (3)

1. The utility model provides a rocker vertical compression formula compound die structure of rubber molding machine, includes base (1), mounting panel a (2), bed die (3) and upper die (8), its characterized in that: the mounting plate a (2) is fixedly mounted at the top of the base (1), the lower die (3) is arranged at the top of the mounting plate a (2), the bottom of the two sides of the base (1) is fixedly connected with a bottom plate (4), the top of the bottom plate (4) is fixedly provided with a hydraulic cylinder (5), the output end of the hydraulic cylinder (5) is fixedly connected with a fixing plate (6), the two fixing plates (6) are rotatably connected with a mounting plate b (7) positioned at the top of the lower die (3), the upper die (8) is fixedly mounted at the bottom of the mounting plate b (7), the rear ends of the two sides of the top of the mounting plate a (2) are fixedly connected with a vertical plate (9), one side of the vertical plate (9) close to the mounting plate b (7) is provided with a limiting groove (91), the limiting groove (91) comprises a chute (911) and a vertical groove (912) communicated with the bottom of the chute (911), the inclined groove (911) inclines forwards from bottom to top, fixing rods (10) which are connected with the vertical plate (9) in a sliding mode are fixedly connected to the two sides of the mounting plate b (7), fixing mechanisms (11) which are used for fixing the left position and the right position of the lower die (3) are fixedly connected to the tops of the two sides of the base (1), strip-shaped holes (21) are formed in the two ends of the front side and the rear side of the mounting plate a (2), and bolt assemblies which are used for fixing the front position and the rear position of the lower die (3) are arranged on the strip-shaped holes (21);
the top parts of the left side and the right side of the base (1) are symmetrically and fixedly connected with two fixing mechanisms (11), and the hydraulic cylinder (5) is positioned between the two fixing mechanisms (11); the fixing mechanism (11) comprises a transverse plate (111) fixed on the base (1), threaded columns (112) are transversely and symmetrically fixedly connected to the top of the transverse plate (111), movable blocks (113) capable of moving left and right are sleeved on the surfaces of the two threaded columns (112), long round holes (114) matched with the two threaded columns (112) are formed in the top of each movable block (113), nuts b (115) in contact with the two sides of each movable block (113) are in threaded connection with the upper end and the lower end of the surface of each threaded column (112), and clamping grooves (116) in sliding connection with the horizontal plates b (32) are formed in one side, close to the lower die (3), of each movable block (113);
the depth of the clamping groove (116) is equal to the difference value of the lengths of the horizontal plate b (32) and the horizontal plate a (31);
positioning rods (12) are fixedly connected to four corners of the bottom of the upper die (8), the positioning rods (12) are frustum-shaped, the diameter of the top surface is larger than that of the bottom surface, and positioning grooves (302) for the positioning rods (12) to insert are formed in the four corners of the top of the lower die (3);
when the fixing rod (10) is positioned in the inner cavity of the chute (911), the front end of the mounting plate b (7) tilts upwards;
when the fixing rod (10) is positioned in the inner cavity of the vertical groove (912), the mounting plate b (7) is horizontal.
2. The rocker block direct-compression type mold closing structure of the rubber molding machine as claimed in claim 1, wherein: the total number of pneumatic cylinder (5) is eight, and fixed mounting has four pneumatic cylinder (5) on every bottom plate (4), and the top of four pneumatic cylinder (5) piston rods is provided with the external screw thread, and the top of four piston rods runs through fixed plate (6) and stretches out to the top of fixed plate (6), and the surperficial threaded connection of piston rod has two nuts an with fixed plate (6) both sides contact respectively.
3. The rocker block direct-compression type mold closing structure of the rubber molding machine according to claim 2, characterized in that: the lower die (3) comprises a horizontal plate a (31), a horizontal plate b (32) and a horizontal plate c (33) which are sequentially and fixedly connected from top to bottom, the lengths of the horizontal plate a (31) and the horizontal plate c (33) are the same, the length of the horizontal plate b (32) is greater than that of the horizontal plate a (31), and both ends of the front side and the rear side of the lower die (3) are provided with slots (301) matched with bolt components.
CN201910775001.6A 2019-08-21 2019-08-21 Swinging block direct-pressure type die assembly structure of rubber forming machine Active CN110524758B (en)

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