CN109397655B - Mould closing mechanism of two-plate injection molding machine - Google Patents
Mould closing mechanism of two-plate injection molding machine Download PDFInfo
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- CN109397655B CN109397655B CN201710705731.XA CN201710705731A CN109397655B CN 109397655 B CN109397655 B CN 109397655B CN 201710705731 A CN201710705731 A CN 201710705731A CN 109397655 B CN109397655 B CN 109397655B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 48
- 238000001746 injection moulding Methods 0.000 title claims abstract description 30
- 238000007789 sealing Methods 0.000 claims description 8
- 235000000396 iron Nutrition 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 57
- 238000009966 trimming Methods 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 230000005484 gravity Effects 0.000 description 4
- 239000010720 hydraulic oil Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910000746 Structural steel Inorganic materials 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/64—Mould opening, closing or clamping devices
- B29C45/67—Mould opening, closing or clamping devices hydraulic
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a mould closing mechanism of a two-plate injection molding machine, which comprises a movable mould plate and a fixed mould plate which are arranged in parallel at intervals, wherein one side of the fixed mould plate, which is far away from the movable mould plate, is provided with a mould locking cylinder, the end part of a mould locking piston rod penetrates through the fixed mould plate and is connected with the movable mould plate, a mould moving mechanism which drives the movable mould plate to move along the mould locking piston rod is arranged between the movable mould plate and the fixed mould plate, one side of the movable mould plate, which is far away from the fixed mould plate, is provided with a half-contracting brake nut which can lock or loosen the mould locking piston rod, one end of the mould locking cylinder, which is far away from the fixed mould plate, is fixedly provided with a fine-tuning cylinder, the cross-sectional area of the fine-tuning cylinder is smaller than the cross-sectional area of the mould locking cylinder, the inside of the fine-tuning cylinder is provided with a fine-tuning piston rod, and the end part of the fine-tuning piston rod is fixedly connected with the mould locking piston.
Description
Technical Field
The invention relates to the field of injection molding machines, in particular to a mold clamping mechanism of a two-plate injection molding machine.
Background
With the development of the plastic industry, the requirements on plastic products are higher and higher, and the conventional toggle injection molding machine is difficult to meet the requirements. The two-plate injection molding machine is widely applied due to the simple structure and low cost. The mould clamping mechanism of the existing large-scale two-plate injection molding machine is shown as the figure, and generally comprises a fixed mould plate, a movable mould plate, a mould locking oil cylinder, a mould locking piston rod, a half-contracting brake nut and a mould shifting oil cylinder, wherein the mould shifting oil cylinder is fixed on the fixed mould plate, the end part of the piston rod is provided with a mould shifting piston rod, the other end of the mould shifting piston rod is connected with the movable mould plate, the mould locking oil cylinder is arranged on the fixed mould plate, the piston rod is connected with a mould locking piston rod, the mould locking piston rod sequentially penetrates through the fixed mould plate and the movable mould plate, and the half-contracting brake nut is arranged on the mould locking piston rod on one side, far away from the fixed mould plate, of the movable mould plate, and mould opening or mould clamping is realized through the mould shifting oil cylinder; and the mode locking or the mode breaking is realized through a mode locking oil cylinder.
The existing clamping mechanism of the two-plate injection molding machine has the following problems: the volume of the existing mold locking oil cylinder is far larger than that of the mold shifting oil cylinder, after the mold locking oil cylinder breaks the mold, the position of the mold locking piston rod moves, in order to realize the next smooth closing, the position of the mold locking piston rod is adjusted by feeding oil into a rod cavity of the mold locking oil cylinder, but because the volume of the mold locking oil cylinder is large, the full-flow support of a hydraulic system is needed, the mold locking oil cylinder is greatly lagged compared with the speed of opening and closing the mold of the mold shifting oil cylinder, so that the mold locking oil cylinder cannot be linked with the mold shifting oil cylinder, and in the whole injection molding period, the position of the mold locking piston rod is adjusted after the mold closing is needed to be in place, the injection molding time is prolonged, and the production efficiency is greatly reduced.
Disclosure of Invention
Aiming at the technical problems, the invention aims at: the mold clamping mechanism of the two-plate injection molding machine for linkage operation of the mold clamping oil cylinder and the mold moving oil cylinder is provided, and the production efficiency of products is improved.
In order to achieve the above purpose, the present invention proposes a new technical solution: the utility model provides a locking mechanism of two board-like injection molding machines, includes movable mould board and the fixed mould board that parallel interval set up, one side that the fixed mould board is close to the movable mould board is provided with the master model, one side that the movable mould board is close to the fixed mould board is provided with the mode locking hydro-cylinder, the inside mode locking piston rod and the mode locking piston of being provided with of mode locking hydro-cylinder, the tip of mode locking piston rod passes behind the fixed mould board and is connected with the movable mould board, the movable mould board with be provided with the drive between the fixed mould board the movable mould board moves the mode shifting mechanism along the mode locking piston rod, the movable mould is a mode shifting hydro-cylinder, the fixed one end that is close to the movable mould board of movable mould hydro-cylinder, the movable mould hydro-cylinder includes the mode shifting piston rod, the tip of mode shifting piston rod with the movable mould board is connected, one side that the movable mould board is kept away from the fixed mode locking piston rod is provided with the band-type locking nut of lockable or loose mode locking piston rod, the fixed mode locking hydro-cylinder is provided with a fine setting hydro-cylinder after the tip of mode locking piston rod passes the fixed mode locking hydro-cylinder, the cross-section area that is less than the locking hydro-cylinder tip of fine setting piston, the fixed section is provided with fine setting piston rod.
According to the technical scheme: the cross-sectional area of the mold locking cylinder in the prior art is large, 90% of flow support of the whole system is needed for adjusting the position of a piston rod by using the mold locking cylinder, and in order to be capable of rapidly moving a mold, the mold moving mechanism also needs 90% of flow support of the whole system in the mold opening and closing processes, so that the mold locking and the mold moving cannot be synchronously carried out; and the flow of the fine adjustment oil cylinder is regulated to be smaller than 10% of the whole system, so that the four stages of die breaking, die opening, die closing and die locking of the die closing mechanism are linked, the whole injection molding period is shortened compared with the prior art, the whole production efficiency is improved, and the die closing mechanism of the two-plate injection molding machine is high in linkage degree and production efficiency.
The invention is further provided with: the fine tuning piston is provided with a through hole along the axial direction, the mode locking piston is provided with a threaded hole opposite to the through hole, and a second fastening screw is matched between the threaded hole and the through hole.
According to the technical scheme: the fine-tuning piston rod is adjusted to drive the mold locking piston rod, and the fine-tuning piston rod and the mold locking piston rod are fixed through the second fastening screw, so that the mold locking device is simple in arrangement and easy to implement.
The invention is further provided with: the one end that fine setting piston kept away from the fine setting piston rod is provided with a recess, the recess bottom is provided with the through-hole that pierces through the fine setting piston rod, the opening part of recess is provided with the sealing cap of sealed the recess.
According to the technical scheme: in order to prevent oil from leaking through the through hole, the through hole can be closed after the groove and the blank cap are matched, so that leakage of hydraulic oil is prevented.
The invention is further provided with: one end of the fine tuning oil cylinder, which is close to the mold locking oil cylinder, is provided with a mounting ring along the circumferential extension of the fine tuning oil cylinder, and a first fastening screw is matched between the mounting ring and the mold locking oil cylinder.
According to the technical scheme: the fine tuning oil cylinder and the mold locking oil cylinder are fixedly arranged, and the installation ring is convenient for installing the fine tuning oil cylinder and the mold locking oil cylinder.
The invention is further provided with: and a rubber sealing ring is arranged between the fine tuning oil cylinder and the mold locking oil cylinder.
According to the technical scheme: the fine-tuning piston rod penetrates through the mode locking oil cylinder and then is connected with the mode locking piston, and the arrangement of the rubber sealing ring can effectively prevent hydraulic oil from leaking.
The invention is further provided with: support sliding feet are arranged on two sides of the lower end of the movable template, and adjusting inclined irons are symmetrically arranged at two ends of the lower end of the support sliding feet along the moving direction of the support sliding feet.
According to the technical scheme: the movable mould plate needs to keep parallelism in the moving process, and the arrangement of the supporting sliding feet and the adjusting inclined iron is used for adjusting the gravity center of the movable mould plate to prevent the movable mould plate from tilting.
The invention is further provided with: the movable mould board lower extreme is provided with in the inboard symmetry of support slip foot and prevents forward tilting mechanism, prevent forward tilting mechanism including the slip foot support, be provided with the slider of being convenient for on the fuselage at slip foot support lower extreme, this slip foot support up end be close to the one end of movable mould board be provided with movable mould board fixed linking bridge, be provided with the supporting mechanism who withstands public mould lower extreme at the one end that linking bridge was kept away from to slip foot support up end.
According to the technical scheme: because the male die is very heavy, when installing large mould or deep cavity mould, the movable mould board leans forward seriously, can exist and surpass the angle adjustment scope of slipleg support and adjustment angle iron to lead to the movable mould board to lean forward, add and prevent the mechanism of leaning forward, can provide holding power for the male die, thereby prevent stopping the template and lean forward.
The invention is further provided with: the supporting mechanism comprises a transition frame, an adjusting seat and an adjusting rod which are vertically arranged from bottom to top, a thread groove is vertically and downwards formed in the upper end face of the adjusting seat, the adjusting rod comprises a head and a rod body, and a rod body of the rod body is provided with external threads matched with the thread groove.
According to the technical scheme: the setting can realize height-adjustable, adjusts supporting mechanism in real time according to the anteversion degree of movable mould board to can avoid the movable mould board anteversion phenomenon of different degree.
Compared with the prior art, the invention has the advantages that: a fine tuning cylinder with a cross-sectional area smaller than that of the mold locking cylinder is additionally arranged on the mold locking cylinder, a fine tuning piston rod penetrates through the mold locking cylinder and then is connected with the mold locking piston, the mold locking piston rod is driven by the movement of the fine tuning piston rod, the cross-sectional area of the fine tuning cylinder is small, the precision in mold breaking is higher, and the deviation between the actual position and the ideal position of a mold can be reduced; in addition, as the cross-sectional area of the fine adjustment oil cylinder is small, full-flow support of a hydraulic system is not needed, so that four stages of die breaking, die opening, die closing and die locking of the die closing mechanism are linked, compared with the prior art, the whole injection molding period is shortened, the whole production efficiency is improved, and the arrangement of the support sliding feet and the adjustment inclined iron is used for adjusting the gravity center of the movable die plate and preventing the movable die plate from tilting; because the male die is very heavy, when a large die or a deep cavity die is installed, the movable die plate is severely tilted forward, and the adjustment range exceeding the sliding foot support and the adjustment angle iron exists, so that the movable die plate is tilted forward, and the anti-tilting mechanism is additionally arranged, so that supporting force can be provided for the male die, and the movable die plate is prevented from being tilted forward; the anti-forward-tilting mechanism can realize height adjustment, and the supporting mechanism is adjusted in real time according to the forward tilting degree of the movable mould plate, so that the forward tilting phenomenon of the movable mould plate with different degrees can be avoided, and the mould closing mechanism of the two-plate injection molding machine has the advantages of high linkage degree, high production efficiency and good product quality.
Drawings
FIG. 1 is a cross-sectional view of a clamping mechanism of a two-plate injection molding machine of the prior art;
FIG. 2 is a cross-sectional view of a clamping mechanism of the two-plate injection molding machine in the present embodiment;
FIG. 3 is an enlarged view of FIG. 2A;
FIG. 4 is a right side view of the movable platen in cooperation with the anti-roll mechanism;
FIG. 5 is an isometric view of the movable platen mated with the anti-roll mechanism;
Fig. 6 is a front view of the forward tilting prevention mechanism in the present embodiment.
In the figure: 1. a mode locking oil cylinder; 2. a mode locking piston rod; 201. a mode locking piston; 3. a stationary mold plate; 4. a movable template; 5. a half band-type brake nut; 6. a mould shifting oil cylinder; 601. a moving die piston rod; 7. a male mold; 8. a master mold; 9. supporting the sliding foot; 10. adjusting the inclined iron; 11. fine tuning the oil cylinder; 12. fine tuning the piston rod; 1201. fine tuning the piston; 1202. a groove; 13. a second fastening screw; 14. a cover is closed; 15. a mounting ring; 16. a first fastening screw; 17. a rubber seal ring; 18. a shoe support; 19. a transition frame; 20. an adjusting seat; 21. an adjusting rod; 22. a slide block; 23. and (5) connecting the brackets.
Detailed Description
The following detailed description of the invention is provided in connection with the accompanying drawings to facilitate understanding and grasping of the technical scheme of the invention.
Examples
As shown in fig. 1, a clamping mechanism of a two-plate injection molding machine in the prior art generally comprises a fixed die plate 3, a movable die plate 4, a clamping cylinder 1, a pull rod, a half-band-type brake nut 5, a moving cylinder 6, a supporting sliding foot 9 and an adjusting wedge 10. The fixed die plate 3 is arranged at intervals parallel to the movable die plate 4, the movable die cylinder 6 is fixed on the fixed die plate 3, a movable die piston rod 601 is arranged in the movable die cylinder 6, the end part of the movable die piston rod 601 is connected with the movable die plate 4, die closing and die opening operation is achieved, the die locking cylinder 1 is arranged at one end of the fixed die plate 3, which is far away from the movable die plate 4, the die locking piston rod 2 is connected with a pull rod at one end, which is far away from the fixed die plate 3, of the fixed die plate 3, the pull rod and the piston rod sequentially penetrate through the fixed die plate 3 and the movable die plate 4 to be connected, and a half-contracting brake nut 5 is arranged on the pull rod at one side, which is far away from the fixed die plate 3, of the movable die plate 4. In a mold clamping mechanism of a two-plate injection molding machine in the prior art, after mold breaking operation, a pull rod position of a mold locking oil cylinder 1 moves, and oil is fed into a rod cavity of the mold locking oil cylinder 1 to adjust the pull rod position for realizing the next smooth closing operation, but the cross section area of the mold locking oil cylinder 1 is large, full-flow support of a hydraulic system is required, and for realizing rapid mold opening and mold closing operation of a mold moving oil cylinder 6, full-flow support is also required, the mold locking oil cylinder 1 and the mold moving oil cylinder 6 cannot realize linkage, and in the whole injection molding cycle, the position of the pull rod is adjusted after the mold opening and mold closing operation is required to be in place, so that the injection molding time is increased, and the production efficiency is reduced.
According to the above-mentioned problems, there is provided a mold clamping mechanism of a two-plate injection molding machine, as shown in fig. 2-3, comprising a movable mold plate 4 and a fixed mold plate 3 arranged in parallel at intervals, wherein a mold locking cylinder 1 is arranged at one end of the fixed mold plate 3 away from the movable mold plate 4, a mold locking piston rod 2 facing the movable mold plate 4 and a mold locking piston 201 are arranged in the mold locking cylinder 1, the mold locking piston rod 2 sequentially penetrates through the fixed mold plate 3 and then is connected with the movable mold plate 4, and a half-contracting brake nut 5 capable of locking or unlocking the mold locking piston rod 2 is arranged at one side of the movable mold plate 4 away from the fixed mold plate 3. A trimming cylinder 11 is fixedly arranged at one end, far away from a fixed die plate 3, of a die locking cylinder 1, a trimming piston rod 12 and a trimming piston 1201 are arranged in the trimming cylinder 11, the cross-sectional area of the trimming cylinder 11 is far smaller than that of the die locking cylinder 1, preferably the cross-sectional area of the trimming cylinder 11 is 1/10-1/15 of that of the die locking cylinder 1, a rubber sealing ring 17 is arranged between the trimming cylinder 11 and the die locking cylinder 1, a mounting ring 15 is arranged at one end, close to the die locking cylinder 1, of the trimming cylinder 11 in a circumferential extension manner along the trimming cylinder 11, a first fastening screw 16 is arranged between the mounting ring 15 and the die locking cylinder 1, the end of the trimming piston rod 12 is connected with a die locking piston 201, a groove 1202 is arranged at one end, far away from the trimming piston rod 12, of the trimming piston 1201, a through hole penetrating through the trimming piston rod 12 is arranged at the bottom of the groove 1202, a threaded hole opposite to the through hole is arranged on the die locking piston 201, a second fastening screw 13 is arranged between the threaded hole and the through hole, and a sealing cover 14 for sealing the groove 1202 is arranged at the opening of the groove 1202. A moving mold cylinder 6 for driving the moving mold plate 4 to move along the mold locking piston rod 2 is arranged between the moving mold plate 4 and the fixed mold plate 3, the moving mold cylinder 6 is fixedly arranged at one end of the fixed mold plate 3 close to the moving mold plate 4, and the end part of the moving mold piston rod 601 is fixedly connected with the moving mold plate 4.
Referring to fig. 1, in the prior art, a female mold 8 for mounting a fixed mold is provided on a fixed mold plate 3, a male mold 7 for mounting a movable mold is provided on a movable mold plate 4, the male mold 7 generally occupies 2/3 of the total weight of the mold, the movable mold and the movable mold plate 4 tend to tilt forward after mounting, so that the parallelism deviation between the movable mold plate 4 and the fixed mold plate 3 is large, the precision of products is affected, and even the movable mold is damaged, because the male mold 7 is fixed, the parallelism between the male mold 7 and the movable mold plate 4 can be adjusted only by adjusting the movable mold plate 4, the conventional method is that supporting sliding feet 9 are symmetrically provided at two sides of the lower end of the movable mold plate 4, and adjusting inclined irons 10 are provided at two ends of the lower end of the supporting sliding feet 9 along the moving direction of the movable mold plate 4, when the gravity center of the movable mold plate 4 is inclined, the position of the adjusting inclined irons 10 is changed to avoid the forward inclination of the movable mold plate 4, but when a large mold or a deep cavity mold is mounted as the movable mold, the whole gravity center of the movable mold plate 4 is greatly moved forward, the adjusting range of the inclined irons 10 is individually moved out, so that the supporting sliding feet 9 cannot keep the rigidity of the movable mold plate 4 to be limited by the rigidity structure.
According to the above problems, an anti-forward-tilting mechanism is arranged at the lower end of the movable die plate 4, as shown in fig. 4-6, the anti-forward-tilting mechanism is arranged at the inner side of a supporting sliding foot 9 and comprises a sliding foot support 18, a sliding block 22 convenient for sliding on a machine body is arranged at the lower end of the sliding foot support 18, a connecting support 23 fixed with the movable die plate 4 is arranged at one end, close to the movable die plate 4, of the upper end face of the sliding foot support 18, a supporting mechanism which is propped against the lower end of the male die 7 is arranged at one end, far away from the connecting support 23, of the upper end face of the sliding foot support 18, the supporting mechanism comprises a transition frame 19, an adjusting seat 20 and an adjusting rod 21, the upper end face of the adjusting seat 20 is vertically downwards provided with a thread groove, the adjusting rod 21 comprises a head and a rod body, the rod body of the rod body is provided with external threads matched with the thread groove, and the head is of an external hexagon.
When the weight of the male die 7 and the movable die is overlarge, and the movable die 4 is actuated to tilt forwards, the head of the adjusting rod 21 is screwed by a torque wrench to rotate and adjust, so that the adjusting rod 21 moves upwards relative to the adjusting seat 20, the head of the adjusting rod 21 props against the bottom of the male die 7, a supporting force is provided for the male die 7 and the movable die, the supporting force is vertically transmitted to the machine body of the injection molding machine through the forward tilting prevention mechanism, the adjusting rod 21 is continuously rotated to lift the male die 7 until the forward tilting of the movable die 4 disappears, the forward tilting prevention mechanism is rigidly fixed on the movable die 4 through the connecting bracket 23 and moves along with the movable die 4, and the supporting force is provided for the male die 7 in real time.
In operation, the whole period is divided into a mold breaking stage, a mold opening stage, a mold closing stage and a mold locking stage. And (3) mould breaking: the rodless cavity of the fine tuning oil cylinder 11 is filled with oil, at the moment, the half-band-type brake nut 5 is braked, the mold locking piston rod 2 is far away from the fixed mold plate 3 together with the movable mold plate 4 under the action of hydraulic oil, so that the mold is opened, and at the moment, the position of the mold locking piston rod 2 is displaced; and (3) mold opening stage: the rodless cavity oil inlet of the mould moving oil cylinder 6 brings the movable mould plate 4 to rapidly open the mould to a designated position, and the product is taken out; and (3) mold closing: the oil inlet of the rod cavity of the mold moving oil cylinder 6 brings the movable mold plate 4 to rapidly mold to a designated position, in the process, the oil inlet of the rod cavity of the fine adjustment oil cylinder 11 enables the mold locking piston rod 2 to return to the position before the mold breaking stage, and the oil quantity required by moving the same distance is less than 10% of the whole flow rate because the cross section area of the fine adjustment oil cylinder 11 is 1/10 of the mold locking oil cylinder 1, and the mold moving oil cylinder can be linked with the mold opening and closing operation of the mold moving oil cylinder 6; and (3) mode locking: the half band-type brake nut 5 is braked, the oil inlet of the rod cavity of the mode locking oil cylinder 1 is pressed upwards to form mode locking force, and the mode locking mechanism of the two-plate type injection molding machine has the advantages of being high in linkage degree and production efficiency.
Of course, the above is only a typical example of the invention, and other embodiments of the invention are also possible, and all technical solutions formed by equivalent substitution or equivalent transformation fall within the scope of the invention claimed.
Claims (4)
1. The mold clamping mechanism of the two-plate injection molding machine is characterized by comprising a movable mold plate (4) and a fixed mold plate (3) which are arranged at intervals in parallel, wherein a female mold (8) is arranged on one side, close to the movable mold plate (4), of the fixed mold plate (3), a male mold (7) matched with the female mold (8) is arranged on one side, close to the fixed mold plate (3), of the fixed mold plate (3), a mold clamping cylinder (1) is arranged on one side, far from the movable mold plate (4), of the fixed mold plate (3), a mold clamping piston rod (2) and a mold clamping piston (201) are arranged inside the mold clamping cylinder (1), the end part of the mold clamping piston rod (2) is connected with the movable mold plate (4) after penetrating through the fixed mold plate (3), a mold moving mechanism for driving the movable mold plate (4) to move along the mold clamping piston rod (2) is arranged between the movable mold plate (4) and the fixed mold plate (3), the mold moving cylinder (6) is a mold moving cylinder (6), the fixed mold cylinder (3) is arranged at one end, close to the fixed mold plate (4), the movable mold cylinder (3) is connected with the movable mold piston rod (601) and the end part (601) is connected with the movable mold piston rod (601), the mold clamping cylinder is characterized in that a fine adjustment cylinder (11) is fixedly arranged at one end, far away from the fixed mold plate (3), of the mold clamping cylinder (1), the cross-sectional area of the fine adjustment cylinder (11) is smaller than that of the mold clamping cylinder (1), a fine adjustment piston rod (12) and a fine adjustment piston (1201) are arranged in the fine adjustment cylinder (11), the end part of the fine adjustment piston rod (12) is fixedly connected with the mold clamping piston (201), one end, far away from the fine adjustment piston rod (12), of the fine adjustment piston (1201) is provided with a groove (1202), the bottom of the groove (1202) is provided with a through hole axially penetrating the fine adjustment piston rod (12), the opening of the groove (1202) is provided with a blank cap (14) for sealing the groove (1202), a threaded hole opposite to the through hole is formed in the mold clamping piston (201), a second fastening screw (13) is matched between the threaded hole and the through hole, one end, close to the mold clamping cylinder (1), of the fine adjustment cylinder (11) is provided with a mounting ring (15) along the circumferential extension of the fine adjustment cylinder (11), a first fastening screw (16) is matched between the mounting ring (15) and the mold clamping cylinder (1), and the fine adjustment cylinder (17) are provided with a rubber sealing ring.
2. The clamping mechanism of a two-plate injection molding machine according to claim 1, wherein supporting sliding feet (9) are arranged on two sides of the lower end of the movable mold plate (4), and adjusting inclined irons (10) are symmetrically arranged on two ends of the lower end of the supporting sliding feet (9) along the moving direction.
3. The clamping mechanism of a two-plate injection molding machine according to claim 2, wherein the lower end of the movable mold plate (4) is symmetrically provided with an anti-forward tilting mechanism inside the supporting sliding foot (9), the anti-forward tilting mechanism comprises a sliding foot support (18), the lower end of the sliding foot support (18) is provided with a sliding block (22) which is convenient to slide on a machine body, one end of the upper end face of the sliding foot support (18) close to the movable mold plate (4) is provided with a connecting bracket (23) which is fixed with the movable mold plate (4), and one end of the upper end face of the sliding foot support (18) far away from the connecting bracket (23) is provided with a supporting mechanism which props against the lower end of the male mold (7).
4. A clamping mechanism of a two-plate injection molding machine according to claim 3, wherein the supporting mechanism comprises a transition frame (19), an adjusting seat (20) and an adjusting rod (21) which are vertically arranged from bottom to top, the upper end surface of the adjusting seat (20) is vertically downwards provided with a thread groove, the adjusting rod (21) comprises a head part and a rod body, and the rod body of the rod body is provided with external threads matched with the thread groove.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710705731.XA CN109397655B (en) | 2017-08-17 | 2017-08-17 | Mould closing mechanism of two-plate injection molding machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710705731.XA CN109397655B (en) | 2017-08-17 | 2017-08-17 | Mould closing mechanism of two-plate injection molding machine |
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| CN109397655A CN109397655A (en) | 2019-03-01 |
| CN109397655B true CN109397655B (en) | 2024-05-31 |
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| CN112519092A (en) * | 2019-09-19 | 2021-03-19 | 苏州立注机械有限公司 | Carousel formula injection molding machine with mode locking function |
| CN112519157A (en) * | 2019-09-19 | 2021-03-19 | 苏州立注机械有限公司 | Injection molding machine mode locking device |
| CN112519158A (en) * | 2019-09-19 | 2021-03-19 | 苏州立注机械有限公司 | Injection molding machine clamping cylinder structure |
| CN112829207B (en) * | 2020-12-31 | 2022-06-21 | 宁波方正汽车模具股份有限公司 | Double-color injection mold |
| CN114523624B (en) * | 2022-04-22 | 2022-12-23 | 广东伊之密精密注压科技有限公司 | Injection molding machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR910011155U (en) * | 1989-12-27 | 1991-07-29 | 대우중공업 주식회사 | Molding unit of injection molding machine |
| CN106965393A (en) * | 2017-04-05 | 2017-07-21 | 宁波市海达塑料机械有限公司 | A kind of four cylinder directly locks the inner circulation structure of injection moulding machine mode-locking oil cylinder |
| CN207643629U (en) * | 2017-08-17 | 2018-07-24 | 海天塑机集团有限公司 | A kind of clamping of two-plate injection machine |
-
2017
- 2017-08-17 CN CN201710705731.XA patent/CN109397655B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR910011155U (en) * | 1989-12-27 | 1991-07-29 | 대우중공업 주식회사 | Molding unit of injection molding machine |
| CN106965393A (en) * | 2017-04-05 | 2017-07-21 | 宁波市海达塑料机械有限公司 | A kind of four cylinder directly locks the inner circulation structure of injection moulding machine mode-locking oil cylinder |
| CN207643629U (en) * | 2017-08-17 | 2018-07-24 | 海天塑机集团有限公司 | A kind of clamping of two-plate injection machine |
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| CN109397655A (en) | 2019-03-01 |
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