CN218429782U - High-pressure precise injection molding system - Google Patents
High-pressure precise injection molding system Download PDFInfo
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- CN218429782U CN218429782U CN202222279886.0U CN202222279886U CN218429782U CN 218429782 U CN218429782 U CN 218429782U CN 202222279886 U CN202222279886 U CN 202222279886U CN 218429782 U CN218429782 U CN 218429782U
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Abstract
The utility model discloses a high-pressure precise injection molding system, but including a melt adhesive section of thick bamboo and the screw rod of straight reciprocating motion in a melt adhesive section of thick bamboo, the removable head of having installed of head end of a melt adhesive section of thick bamboo is chewed with penetrating, and the tail end of a melt adhesive section of thick bamboo is equipped with driving motor, the removable gluey head of crossing of kinematic location in the head of installing of tip of screw rod, and the rotatory melten adhesive of driving motor driving screw, the straight reciprocating motion of screw rod drive to cross gluey first straight-line motion extrusion and penetrate and glue. The utility model provides a high-pressure accurate injection molding system need not change the screw rod and can realize penetrating the switching of gluey pressure, and convenient operation, with low costs can realize accurate moulding plastics.
Description
Technical Field
The utility model belongs to the technical field of the mechanical technique of moulding plastics and specifically relates to relate to and medium-high pressure accurate system of moulding plastics.
Background
According to the existing injection platform structure, under the condition that the injection oil cylinder is fixed, the injection pressure is a fixed value, although different pressure adjustments can be achieved by replacing the diameter of the screw rod. But the length-diameter ratio of the screw after replacement (length-diameter ratio: the ratio of the effective length to the diameter of the screw) can also be changed, which has great influence on the gram weight of the plastic parts. The other method is to replace the whole injection part, which can solve the problems of injection pressure and product gram weight, but also needs to change the connecting piece between the fixed template and the injection part, thus having the problems of high cost, complex replacement, inconvenient operation on the site of a client and the like. Therefore, the problem of inconvenient pressure adjustment and high cost of the above-mentioned injection stage structure is a technical problem to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high pressure precision system of moulding plastics need not change the switching that the screw rod can realize penetrating gluey pressure, and convenient operation, with low costs can realize the precision and mould plastics.
In order to solve the technical problem, the utility model provides a technical scheme is: the utility model provides a high-pressure precision injection molding system, but includes a melt adhesive section of thick bamboo and linear reciprocating motion screw rod in a melt adhesive section of thick bamboo, the head and penetrating the mouth can be dismantled to the head end of a melt adhesive section of thick bamboo, the tail end of a melt adhesive section of thick bamboo is equipped with driving motor, the removable head of gluing of crossing of motion positioning in the head of installing of tip of screw rod, the rotatory melt adhesive of driving motor drive screw rod, the linear reciprocating motion drive of screw rod crosses first linear motion extrusion of gluing and penetrates gluey.
The above technical scheme is adopted in the utility model, the driving motor drive screw rotates, will fill the solid-state granule in the melten gel section of thick bamboo under the rotary friction effect of screw rod, with solid-state granule extrusion, grind to likepowder to the high temperature that produces through the friction makes solid-state granule melt for the colloid, screw rod linear motion drives and crosses gluey head and penetrate gluey with the glue solution towards the extrusion of shooing the direction motion of chewing. Cross gluey head and screw rod threaded connection, can conveniently change and penetrate chewing, head and cross gluey head for the pressure of penetrating the glue is penetrated in the switching, need not to change the screw rod, keeps the draw ratio of screw rod unchangeable, guarantees the grammes per square metre unchangeable of product, guarantees the quality of product.
In the high-pressure precise injection molding system, the transition connecting rod is detachably arranged between the screw rod and the glue passing head, and the screw rod is connected with the glue passing head through the transition connecting rod. The transition connecting rod is used for connecting and has crossed gluey head and screw rod, plays the effect that middle transmission is connected, and the length of reducible screw rod is connected dismantled and assembled between transition connecting rod and the screw rod moreover, conveniently changes and penetrates to chew, head, cross gluey head to the switching is penetrated and is glued pressure.
In the high-pressure precise injection molding system, the outer ring of the rubber head is provided with the rubber ring and the rubber meson. When the glue passing head linearly moves to jet glue, the glue passing ring and the glue passing meson are used for sealing the contact surface of the glue passing head and the head; the rubber passing ring is sleeved on the outer ring of the rubber passing head moving at the head position, and the rubber passing meson is arranged between the rubber passing ring and the end part of the rubber passing head connected with the screw rod and can push the rubber passing ring when the rubber passing head axially and linearly moves towards the direction of the injection nozzle.
In the high-pressure precise injection molding system, the inner end of the injection nozzle and the end part of the rubber passing head are provided with the concave conical surface and the convex conical surface which are matched with each other, and the diameter of the concave conical surface of the injection nozzle is the same as that of the rubber passing ring. Penetrate the diameter of gluing the cross-section diameter for crossing the rubber ring, penetrate to glue under the certain circumstances of piston diameter, the utility model discloses an it is bigger to penetrate gluey pressure, more advantageous to producing accurate plastic products.
In the high-pressure precise injection molding system, the glue melting cylinder is provided with the feed opening communicated with the interior of the glue melting cylinder. Solid particles are put into the melt glue cylinder from the feed opening and filled between the screw and the inner wall of the melt glue cylinder, so that the solid particles are sheared and ground to gradually form a molten state when the screw rotates.
In the high-pressure precise injection molding system, the side part of the glue melting cylinder is provided with the glue injection mechanism for controlling the screw rod to do linear reciprocating motion. The glue injection mechanism controls the linear reciprocating motion of the screw rod, and the screw rod drives the glue passing head to reciprocate in the head part towards the direction of the injection nozzle, so that glue liquid is injected from the injection nozzle.
The high-pressure precise injection molding system is characterized in that the glue injection mechanism comprises a glue injection oil cylinder, a glue injection piston and a glue injection piston rod, the glue injection piston and the glue injection piston rod are connected and move in the glue injection oil cylinder, the end part of the glue injection piston rod extends out of the end part of the glue injection oil cylinder and is connected with a glue injection table movable plate, and the driving motor is arranged on the glue injection table movable plate. The glue injection oil cylinder drives the glue injection piston and the glue injection piston rod to reciprocate, the glue injection piston rod drives the injection platform plate to reciprocate, the driving motor is arranged on the injection platform plate and can drive the screw rod to linearly reciprocate while driving the screw rod to rotate, and solid particles are better dissolved in glue to be fused into liquid glue solution by rotary shearing and linear motion grinding; the glue injection oil cylinder drives the screw rod to move linearly to drive the glue passing head to extrude and inject glue, and finally the glue solution is injected from the injection nozzle.
According to the high-pressure precise injection molding system, the injection piston is connected with the fixed length guide rod extending out of the injection oil cylinder, the fixed length guide rod is provided with the limiting sleeve, the injection piston rod controls the fixed length guide rod to reciprocate, and the end face of the limiting sleeve is matched with the end face of the injection oil cylinder to be used as mechanical limiting. When the glue injection oil cylinder drives the glue injection piston and the glue injection piston rod to move forwards, the screw rod is driven to move linearly, and the glue passing head extrudes the glue injection in the direction of the injection nozzle; when the glue injection oil cylinder drives the glue injection piston and the glue injection piston rod to move backwards, the screw rod is driven to move linearly, so that the glue passing head leaves the injection nozzle and the head, and the glue solution can enter the head again. When the end face of the limiting sleeve abuts against the end face of the glue injection oil cylinder, the limiting sleeve cannot continuously retreat after being attached to the end portion of the glue injection oil cylinder, the rubber ring is prevented from being separated from the head when molten glue retreats, interference with the head is caused in the next injection process, and mechanical limitation in the molten glue process is achieved.
According to the high-pressure precise injection molding system, the end part of the injection oil cylinder is provided with the injection cover, and the fixed-length guide rod movably penetrates through the injection cover and the limiting sleeve to be abutted against the injection cover. The rubber injection cover is abutted against the end face of the limiting sleeve to limit the limiting sleeve and the rubber injection piston rod to move backwards continuously.
The utility model discloses the beneficial effect who gains is: the diameter of the glue injection section is the diameter of the rubber ring, and under the condition that the diameter of the glue injection piston is fixed, the generated glue injection pressure is higher, so that the method has more advantages in producing precise plastic products; the same glue injection amount, the replaceable injection nozzle, the replaceable head, the replaceable glue passing head and the replaceable glue passing ring have small diameters, so that the glue injection stroke is longer, and the product repeatability precision can be better ensured. The limit sleeve is matched with the glue injection cover of the glue injection oil cylinder to serve as mechanical limit, when the machine station melts glue to a certain position, the end face of the limit sleeve is in fit limit with the end face of the glue injection cover, the position of the screw rod driving the glue passing head to retreat is limited, and the glue passing ring is prevented from being separated from the head; the fixed-length guide rod and the glue injection piston rod are fixed through threads, so that the size of a glue injection oil return cavity formed by the glue injection piston, the glue injection oil cylinder and the glue injection cover is reduced, the flow of hydraulic oil discharged from the glue injection oil return cavity is reduced when glue injection is carried out, and the control of a hydraulic part is more accurate. When reducing the oil return resistance, the hydrovalve and the relevant pipe fitting that the oil return relates to can select littleer specification, have the energy-conserving effect of economizing on fuel. Simultaneously, injection action oil discharge diminishes, has the resistance to diminish, is favorable to realizing the accurate control of injection action, guarantees the size precision and the weight precision of goods, removable penetrating nozzle, head, cross the rubber ring and cross the gluey meson, and spacing sleeve can switch over different penetrating pressure, corresponds different goods, ensures the size precision and the weight precision of goods.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of the embodiment of the present invention shown in FIG. 2 in the glue-injecting state;
FIG. 4 is an enlarged view of a portion of the structure of the embodiment of the present invention shown in FIG. 2 in the glue melting state;
FIG. 5 is an enlarged view of a portion of the injection mechanism of FIG. 2 in the injection state;
FIG. 6 is an enlarged view of a portion of the glue injection mechanism of FIG. 2 in the glue melting state;
fig. 7 is a schematic cross-sectional view of another embodiment of the present invention.
Description of reference numerals: the automatic glue injection device comprises a base 1, a driving motor 10, an injection nozzle 11, a head 12, a glue melting cylinder 13, a glue passing head 14, a glue passing ring 15, a glue passing medium 16, a transition connecting rod 17, a screw rod 18, an injection movable plate 19, an inner concave conical surface 111, an outer convex conical surface 141, a feed opening 131, a glue injection mechanism 2, a locking screw 21, a limiting sleeve 22, a fixed length guide rod 23, a glue injection cover 24, a piston washer 25, a glue injection piston 26, a glue injection oil cylinder 27 and a glue injection piston rod 28.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
Referring to fig. 1 to 6, a high-pressure precise injection molding system comprises a melt adhesive cylinder 13 and a screw 18 capable of linearly reciprocating in the melt adhesive cylinder 13, wherein a head 12 and an injection nozzle 11 are detachably arranged at the head end of the melt adhesive cylinder 13, a driving motor 10 is arranged at the tail end of the melt adhesive cylinder 13, a glue passing head 14 movably positioned in the head 12 is detachably arranged at the end of the screw 18, the driving motor 10 drives the screw 18 to rotate melt adhesive, and the linear reciprocating motion of the screw 18 drives the glue passing head 14 to linearly move to extrude and inject the adhesive. The screw 18 is in threaded connection with the head 14, and the head 14 can be detached from the screw 18. The glue head 14 can be conveniently replaced, the head 12 and the injection nozzle 11 can be detached, and the head 12 and the injection nozzle 11 can be conveniently replaced when the glue injection pressure needs to be switched.
In the embodiment, a transition connecting rod 17 is detachably arranged between the screw 18 and the glue passing head 14, and the screw 18 is connected with the glue passing head 14 through the transition connecting rod 17. Wherein, the detachable mode of the transition connecting rod 17 can be realized by a threaded connection mode.
The outer ring of the glue passing head 14 is provided with a glue passing ring 15 and a glue passing meson 16. The rubber passing ring 15 and the rubber passing medium 16 can follow the linear motion of the rubber passing head 14, the rubber passing medium 16 abuts against the rubber ring 15, and the rubber passing ring 15 can be matched with the rubber passing head 14, so that the rubber passing head 14 keeps sealing when moving linearly in the head 12, and the pressure of rubber injection is kept.
The inner end of the injection nozzle 11 and the end part of the rubber passing head 14 are provided with a concave conical surface 111 and a convex conical surface 141 which are matched with each other, and the diameter of the concave conical surface 111 of the injection nozzle 11 is the same as that of the rubber passing ring 15. The melt glue cylinder 13 is provided with a feed opening 131 communicated with the interior thereof. The plastic of solid particles is put into the melt adhesive cylinder 13 from the feed opening 131 and enters the gap between the screw 18 and the melt adhesive cylinder 13. During the rotation of the screw 18, the solid particles of the sizing material become a glue under the action of conveying shear.
The side part of the glue melting cylinder 13 is provided with a glue injection mechanism 2 for controlling the screw rod 18 to do linear reciprocating motion.
The glue injection mechanism 2 comprises a glue injection oil cylinder 27, a glue injection piston 26 and a glue injection piston rod 28, the glue injection piston 26 and the glue injection piston rod 28 are connected and move in the glue injection oil cylinder 27, the end part of the glue injection piston rod 28 extends out of the end part of the glue injection oil cylinder 27 and is connected with a glue injection platen 19, and the driving motor 10 is arranged on the glue injection platen 19. The driving motor 10 is arranged on the ejection table plate 19, when the ejection oil cylinder 27 drives the ejection piston rod 28 to do linear reciprocating motion, the ejection table plate 19 is driven to do reciprocating motion, the driving motor 0 is arranged on the ejection table plate 19, the driving motor 10 drives the screw rod 18 to do linear reciprocating motion while driving the screw rod 18 to do rotary motion, so that the screw rod 18 can perform linear grinding on the rubber material particles while spirally shearing the solid rubber material particles, the rubber melting effect is good, and the ejection nozzle 11 is extruded by the rubber head 14 driven by the screw rod 18 to realize rubber ejection.
The glue injection piston 26 is connected with a limit sleeve 22 which is arranged on the fixed length guide rod 23 extending out of the glue injection oil cylinder 27, the glue injection piston rod 28 controls the fixed length guide rod 23 to reciprocate, and the end face of the limit sleeve 22 is matched with the end face of the glue injection oil cylinder 27 to be used as mechanical limit. The limiting sleeve 22 is fixed on the fixed-length guide rod 23 through a locking screw 21, a piston gasket 25 is arranged on the end face of the glue injection piston 26, and the piston gasket 25 can play a sealing role; the end part of the glue injection oil cylinder 27 is provided with a glue injection cover 24 and a fixed length guide rod 23 which movably penetrate through the glue injection cover 24 and the limiting sleeve 22 to be abutted against the glue injection cover 24. In the process that the glue injection oil cylinder 27 drives the glue injection piston rod 28 to move linearly, the glue injection piston 26 drives the fixed length guide rod 23 to move outside the glue injection oil cylinder 27, the fixed length guide rod 23 is sleeved with the limiting sleeve 22, the distance between the inner end face of the limiting sleeve 22 and the glue injection cover 24 is a mechanical limiting distance, and the length of axial linear reciprocating motion of the screw 18 can be limited. So that the rubber ring 15 cannot be pulled out of the head 12 when axially retreating following the rubber head 14.
Fig. 7 is a schematic structural view of another embodiment of the present invention; when necessary, change that shown penetrating chew 11, head 12 in figure 7, cross gluey head 14 and cross rubber ring 15 and cross gluey meson 16, can make the utility model discloses a high-pressure precision injection molding system resumes standard and penetrates gluey pressure, the standard stroke of penetrating gluey, has easy operation, work load is little, need not change the screw rod when switching to penetrate gluey pressure, guarantees that the draw ratio of screw rod is unchangeable, guarantees to penetrate the quality of gluey goods.
The utility model discloses when concrete implementation, according to actual demand select to use meeting the requirements penetrate chew, head, cross the rubber ring, cross gluey meson. They are assembled on a screw. The glue passing head can be connected with the screw rod 18 through the transition connecting rod 17, and the connection can form a detachable relation, such as a threaded connection, a plug connection, a snap connection and the like. Then, the glue cylinder 13 and the glue injection cylinder 27 are set on the base 1, and the injection movable plate 19 is movable relative to the base 1. Solid sizing particles are put into the feeding opening 131 and enter the glue melting cylinder 13. The driving motor 10 drives the screw 18 to rotate, so that the thread lines of the screw 18 generate rotary shearing force on the sizing material particles, and the sizing material particles are spirally sheared, so that the sizing material particles are gradually formed into a glue solution state.
In the glue melting process, the glue injection mechanism 2 can drive the screw rod 18 to perform linear reciprocating motion according to needs, and the screw rod 18 can better grind and shear glue particles in the glue melting cylinder 13 by matching with the linear motion, so that the glue melting efficiency and effect are improved. The rubber particles are formed into rubber liquid and then are accumulated in a rubber melting cylinder 13, and are converged to the head part 12, and the rubber injection mechanism 2 works. The glue injection oil cylinder 27 drives the glue injection piston 26 and the glue injection piston rod 28 to move linearly, the glue injection piston rod 28 drives the glue injection movable plate 19 to move linearly, the glue injection movable plate 19 drives the driving motor 10 to move linearly, the screw rod 18 is driven to move linearly, the screw rod 18 pushes the glue head 14 to move towards the direction of the injection nozzle 11 in the head 12, and glue is injected from the injection nozzle 11 through the matching of the concave conical surface 111 and the convex conical surface 141, so that glue injection is completed.
In summary, the present invention has been made to practical samples according to the description and the drawings, and after a plurality of use tests, the utility model can be proved to achieve the expected purpose, and the practical value is undoubted. The above-mentioned embodiments are only used to conveniently illustrate the present invention, and are not to the limit of the present invention in any form, and any person who knows commonly in the technical field has, if not in the scope of the technical features of the present invention, utilize the present invention to make the equivalent embodiment of local change or modification, and not to break away from the technical features of the present invention, and all still belong to the technical features of the present invention.
Claims (9)
1. The utility model provides a high pressure precision injection molding system, includes a melt adhesive section of thick bamboo (13) and but linear reciprocating motion screw rod (18) in melt adhesive section of thick bamboo (13), its characterized in that: the head end of a melt adhesive cylinder (13) is detachably provided with a head (12) and an injection nozzle (11), the tail end of the melt adhesive cylinder (13) is provided with a driving motor (10), the end part of a screw rod (18) is detachably provided with a glue passing head (14) which is movably positioned in the head (12), and the driving motor (10) drives the screw rod (18) to rotate melt adhesive and the linear reciprocating motion of the screw rod (18) drives the glue passing head (14) to linearly move to extrude and inject the adhesive.
2. The high pressure precision injection molding system of claim 1, wherein: a transition connecting rod (17) can be detachably arranged between the screw rod (18) and the glue passing head (14), and the screw rod (18) is connected with the glue passing head (14) through the transition connecting rod (17).
3. The high pressure precision injection molding system of claim 1, wherein: the outer ring of the glue passing head (14) is provided with a glue passing ring (15) and a glue passing meson (16).
4. The high pressure precision injection molding system of claim 3, wherein: the inner end of the injection nozzle (11) and the end part of the rubber passing head (14) are provided with an inner concave conical surface (111) and an outer convex conical surface (141) which are matched with each other, and the diameter of the inner concave conical surface (111) of the injection nozzle (11) is the same as that of the rubber passing ring (15).
5. The high pressure precision injection molding system of claim 1, wherein: the melt glue cylinder (13) is provided with a feed opening (131) communicated with the interior of the melt glue cylinder.
6. The high pressure precision injection molding system of claim 1, wherein: the side part of the melt glue cylinder (13) is provided with a glue injection mechanism (2) for controlling the screw rod (18) to do linear reciprocating motion.
7. The high pressure precision injection molding system of claim 6, wherein: penetrate gluey mechanism (2) including penetrating gluey hydro-cylinder (27), penetrate gluey piston (26) and penetrate gluey piston rod (28) and connect and move in penetrating gluey hydro-cylinder (27), penetrate gluey piston rod (28) the tip stretch out penetrate gluey hydro-cylinder (27) the tip outside and be connected with and penetrate bench plate (19), driving motor (10) are established on penetrating bench plate (19).
8. The high pressure precision injection molding system of claim 7, wherein: the glue injection piston (26) is connected with a fixed-length guide rod (23) extending out of the glue injection oil cylinder (27), a limiting sleeve (22) is arranged on the fixed-length guide rod (23), the glue injection piston rod (28) controls the fixed-length guide rod (23) to reciprocate, and the end face of the limiting sleeve (22) is matched with the end face of the glue injection oil cylinder (27) to be used as mechanical limiting.
9. The high pressure precision injection molding system of claim 8, wherein: the end part of the glue injection oil cylinder (27) is provided with a glue injection cover (24), and the fixed length guide rod (23) movably penetrates through the glue injection cover (24) and the limiting sleeve (22) and can be abutted against the glue injection cover (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222279886.0U CN218429782U (en) | 2022-08-29 | 2022-08-29 | High-pressure precise injection molding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222279886.0U CN218429782U (en) | 2022-08-29 | 2022-08-29 | High-pressure precise injection molding system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218429782U true CN218429782U (en) | 2023-02-03 |
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ID=85096717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222279886.0U Active CN218429782U (en) | 2022-08-29 | 2022-08-29 | High-pressure precise injection molding system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218429782U (en) |
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2022
- 2022-08-29 CN CN202222279886.0U patent/CN218429782U/en active Active
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