CN111497159A - Toggle rod outward-turning type mold locking mechanism and injection molding machine - Google Patents
Toggle rod outward-turning type mold locking mechanism and injection molding machine Download PDFInfo
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- CN111497159A CN111497159A CN202010421841.5A CN202010421841A CN111497159A CN 111497159 A CN111497159 A CN 111497159A CN 202010421841 A CN202010421841 A CN 202010421841A CN 111497159 A CN111497159 A CN 111497159A
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- toggle rod
- push plate
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- 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
- B29C45/68—Mould opening, closing or clamping devices hydro-mechanical
- B29C45/681—Mould opening, closing or clamping devices hydro-mechanical using a toggle mechanism as mould clamping device
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- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
A toggle rod outward-turning type mold locking mechanism comprises a fixed mold plate, a movable mold plate, a tail plate and a push plate, wherein a pull rod is arranged between the fixed mold plate and the tail plate, the toggle rod mechanism further comprises a front toggle rod, a first rear toggle rod, a second rear toggle rod and a connecting toggle rod, one end of the first rear toggle rod and one end of the second rear toggle rod are hinged with the tail plate, the other end of the first rear toggle rod and one end of the second rear toggle rod are hinged with one end of the front toggle rod, the other end of the front toggle rod is hinged with the movable mold plate, a hinge hole is formed in the push plate, one end of the connecting toggle rod is connected with the push plate through a hinge shaft arranged on the hinge hole, and the other end of the connecting toggle rod is; the tail plate is provided with a guide rod, the two sides of the push plate are provided with guide holes, and the guide rod penetrates through the guide holes. The push plate of the mold locking mechanism is guided not by four pull rods but by the guide rods on the tail plate, the acting force of the small toggle rod on the push plate is transmitted by the shaft of the hinge point, so that the action of bending moment on the push plate is avoided, and the risk of fracture failure of the push plate due to overlarge bending moment is eliminated.
Description
Technical Field
The invention relates to the technical field of injection molding, in particular to a toggle rod outwards-turning type mold locking mechanism and an injection molding machine.
Background
The mold locking mechanism is an important component of the plastic injection molding machine, and the functions of installing, opening and closing the mold, ejecting products and the like are realized by the mold locking mechanism. The toggle rod type clamping mechanism occupies most of the plastic injection molding machine market by the characteristics of reliable performance and low cost, wherein, the toggle rod inward-turning type clamping mechanism (i.e. the toggle rod turns towards the inside of the mechanism when the mold is opened) is taken as the main part, while the toggle rod outward-turning type clamping mechanism (i.e. the toggle rod turns towards the outside of the mechanism when the mold is opened) is easy to bear large bending moment and is damaged and failed because of the large design difficulty of the push plate, thus being difficult to be accepted by the market all the time, the market stock and the in-production are few, the push plate structure is mostly designed into a four-frame type template structure, the four-frame type template structure can only be produced by casting due to the complex structure, the material is cast iron or cast steel, the four pull rods are used for guiding like a movable template, the structure is heavy, the cost is high, and the four pull rods are used for guiding, when the mould is locked under high pressure, the small toggle rod pushes the upper and lower side beams of the push plate to easily form large bending moment, so that the push plate is easy to break and fail. But compared with the toggle rod inward-turning type mold locking mechanism, the toggle rod outward-turning type mold locking mechanism has the congenital advantages, firstly, the mold opening stroke can be made large, which is very favorable for molding deep cavity products; secondly, the movable mould plate is stressed at the center and has small deformation, which is very beneficial to forming precise products, reducing product flashes, protecting moulds and the like, and if the problem that the push plate fails due to overlarge bending moment can be solved in design, the cost is reasonably controlled, and the outward-turning type mould locking mechanism is certainly accepted by the market.
Therefore, further improvements are needed.
Disclosure of Invention
The invention aims to provide the toggle rod outwards-turning type mold locking mechanism and the injection molding machine, which have the advantages of simple structure, long service life and strong practicability and can eliminate bending moment, so that the defects in the prior art are overcome.
According to a toggle rod formula clamping mechanism that turns up that this purpose designed, including fixed die plate, movable mould board, tailboard and push pedal, fixed die plate, movable mould board, tailboard and push pedal all are located same axis, and the fixed pull rod that is provided with between fixed die plate and the tailboard, the pull rod passes movable mould board, its characterized in that: the connecting toggle rod mechanism comprises a first rear toggle rod, a second rear toggle rod and a connecting toggle rod, wherein one end of the first rear toggle rod and one end of the second rear toggle rod are hinged with a tail plate, the other end of the first rear toggle rod and one end of the second rear toggle rod are hinged with one end of the front toggle rod, the other end of the front toggle rod is hinged with a movable template, a push plate is movably arranged between the first rear toggle rod and the second rear toggle rod, a hinge hole is formed in the push plate, one end of the connecting toggle rod is connected with the push plate through a hinge shaft arranged on the hinge hole, and the other end of the connecting toggle rod is hinged with the first rear toggle rod and the second rear toggle rod respectively; the tail plate is fixedly provided with a guide rod, two sides of the push plate are provided with guide holes, the guide rod penetrates through the guide holes, and the push plate is arranged on the guide rod in a sliding mode.
The first rear toggle rods are symmetrically arranged on the mold locking mechanism from top to bottom, the second rear toggle rods are symmetrically arranged on the mold locking mechanism from top to bottom, the first rear toggle rods and the second rear toggle rods are symmetrically arranged from left to right, the front toggle rods are symmetrically arranged on the mold locking mechanism from top to bottom and from left to right, and the hinged positions of the front toggle rods and the movable mold plate are close to the center of the movable mold plate.
The first rear toggle rod and the second rear toggle rod are of two-piece structures and comprise inner rods and outer rods, the inner rods and the outer rods are hinged to the tail plate and the front toggle rod, protrusions are arranged on the inner rods, and the other ends of the connecting toggle rods are hinged to the protrusions.
The front side of the tail plate is provided with side plates which protrude outwards and are arranged symmetrically left and right, an upper hinge lug, a lower hinge lug and a convex block are integrally arranged on the side plates, the inner rod and the outer rod are hinged with the upper hinge lug, the inner rod and the outer rod are hinged with the lower hinge lug, the convex block is provided with a push plate guide hole, and the push plate guide holes are symmetrically arranged about the vertical central plane of the tail plate or are symmetrically arranged about the vertical central plane and the horizontal central plane of the tail plate; the guide rod penetrates through the guide hole and then is inserted into the push plate guide hole; the inner rod is positioned on the inner side of the side plate, a certain distance is arranged between the hinged parts of the inner rod and the upper hinge lugs, a certain distance is arranged between the hinged parts of the inner rod and the lower hinge lugs, and the outer rod is positioned on the outer side of the side plate.
The upper hinge lug and the lower hinge lug are arranged in an up-and-down symmetrical mode, the protruding block is connected between the upper hinge lug and the lower hinge lug, pull rod holes are formed in four corners of the tail plate, the pull rod holes protrude out of the side plate and correspond to the upper hinge lug or the lower hinge lug one by one, and the pull rods are inserted into the pull rod holes.
The tail plate is fixedly provided with more than one first driving mechanism, the first driving mechanism is in driving connection with the tail plate, and one side of the movable template is provided with a second driving mechanism.
The push pedal is the cross symmetrical configuration, and the hinge hole includes hinge hole and hinge hole down, connects the toggle link longitudinal symmetry and sets up on clamping mechanism, goes up hinge hole and hinge hole down and passes through the articulated shaft with the connection toggle link that corresponds and hinge, and its articulated department is located the articulated department of tailboard and first back toggle link, the articulated outside of department of tailboard and second back toggle link.
The upper hinge hole is positioned at the upper end of the push plate, and the lower hinge hole is positioned at the lower end of the push plate; when the movable template is opened to the bottom, the push plate retracts into the tail plate.
The movable mould plate is arranged on the pull rod in a sliding mode, when the movable mould plate is closed to the end, the included angle between the first rear toggle rod and the front toggle rod and the included angle between the second rear toggle rod and the front toggle rod are d, and d is 0-3 degrees.
In a second aspect, the present application provides an injection molding machine comprising the toggle-lever-flip-out mold clamping mechanism described above, thereby having all the advantageous technical effects of the mold clamping mechanism, which will not be described herein.
The toggle rod outwards-turning type mold locking mechanism simplifies the design of the push plate from the toggle rod arrangement scheme, the push plate is not guided by four pull rods, but is guided by the guide rods on the tail plate, when the mold is closed under high pressure, the acting force of the small toggle rod on the push plate is transmitted by the hinged shaft of the hinged point, no bending moment effect is generated on the push plate, the risk that the push plate is broken and fails due to overlarge bending moment is eliminated, the length of the hinged shaft of the hinged point is very short, the bending moment generated on the hinged shaft is also very limited, the performance of the hinged shaft can be enhanced by material selection, heat treatment and other methods, and the hinged shaft can be ensured not to fail.
Drawings
Fig. 1 is a schematic view of the overall structure of a clamping mechanism according to an embodiment of the present invention.
Fig. 2 is a schematic view of the entire structure of the mold clamping mechanism excluding the thimble cylinder, the mold clamping cylinder, and the pull rod according to an embodiment of the present invention.
Fig. 3 is a front view of the clamping mechanism after clamping is completed according to an embodiment of the present invention.
Fig. 4 is a front view of the mold clamping mechanism after mold opening is completed according to an embodiment of the present invention.
Fig. 5 is a top view of the clamping mechanism after clamping is completed in an embodiment of the present invention.
FIG. 6 is a cross-sectional view of a push plate mounting structure in an embodiment of the present invention.
Fig. 7 is a schematic view of the entire structure of the push plate according to an embodiment of the present invention.
Fig. 8 is a right side view of a clamping mechanism in an embodiment of the present invention.
Fig. 9 is a schematic view of the overall structure of the tail plate according to an embodiment of the present invention.
Detailed Description
The invention is further described with reference to the following figures and examples.
Referring to fig. 1-9, the toggle rod outward-turning mold locking mechanism comprises a fixed mold plate 1, a movable mold plate 2, a tail plate 3 and a push plate 4, wherein the fixed mold plate 1, the movable mold plate 2, the tail plate 3 and the push plate 4 are all positioned on the same central axis, the movable mold plate 2 is positioned between the fixed mold plate 1 and the tail plate 3, four pull rods 5 are fixedly arranged between the fixed mold plate 1 and the tail plate 3, the pull rods 5 penetrate through the movable mold plate 2, the movable mold plate 2 can axially move along the pull rods 5, the toggle rod mechanism further comprises a front toggle rod 6, a first rear toggle rod 7, a second rear toggle rod 8 and a connecting toggle rod 9, the connecting toggle rod 9 is a small toggle rod, one end of each of the first rear toggle rod 7 and the second rear toggle rod 8 is hinged with the tail plate 3, the other end of each of the first rear toggle rod 7 is hinged with one end of the front toggle rod 6, the other end of the front toggle rod 6 is hinged with the movable mold plate 2, the push plate 4 is movably arranged between, one end of the connecting toggle rod 9 is connected with the push plate 4 through a hinge shaft 13 arranged on a hinge hole, the other end of the connecting toggle rod 9 is respectively hinged with the first rear toggle rod 7 and the second rear toggle rod 8, all hinge points on the mold locking mechanism are connected through shafts, and two parts which are mutually hinged can do relative rotation motion around the hinge points in a vertical plane; the fixed guide bar 10 that is provided with on the tailboard 3, the both sides of push pedal 4 are provided with guiding hole 4.1, and guiding hole 4.1 bilateral symmetry sets up in the centre of push pedal 4, and sets up 2 at least, and guide bar 10 passes guiding hole 4.1, and push pedal 4 slides and sets up on guide bar 10.
The first rear toggle rods 7 are symmetrically arranged on the mold locking mechanism from top to bottom, the second rear toggle rods 8 are symmetrically arranged on the mold locking mechanism from top to bottom, the first rear toggle rods 7 and the second rear toggle rods 8 are symmetrically arranged from left to right, the front toggle rods 6 are symmetrically arranged on the mold locking mechanism from top to bottom and from left to right, and the hinged positions of the front toggle rods 6 and the movable mold plate 2 are close to the center of the movable mold plate 2; on the premise of ensuring the installation space of the thimble oil cylinder, the hinge point of the movable template 2 is contracted towards the middle of the template as much as possible so as to solve the problem that the stress point of the movable template 2 is close to the middle of the template as much as possible, reduce the action of bending moment born by the template and reduce the deformation of the template.
The first rear toggle rod 7 and the second rear toggle rod 8 are both of a two-piece structure and comprise an inner rod a and an outer rod b, the inner rod a and the outer rod b are both hinged with the tail plate 3 and the front toggle rod 6, a bulge c is arranged on the inner rod a, and the other end of the connecting toggle rod 9 is hinged with the bulge c. The first rear toggle lever 7 and the second rear toggle lever 8 are designed into a two-piece structure, can bear large load, and the hinged position of the connecting toggle lever 9 is limited by the movement space to a single piece (inner rod a), but in comparison, the load is much smaller here, and the requirement can be met. The protrusion c is a third point of the first and second rear toggle links 7 and 8, and facilitates the connection of the first and second rear toggle links 7 and 8 with the connecting toggle link 9.
The front side of the tail plate 3 is provided with side plates 3.1 which protrude outwards and are arranged symmetrically left and right, a certain distance is arranged between the side plates 3.1 (namely the middle of the tail plate 3 is empty), the side plates 3.1 are integrally provided with an upper hinge lug 3.2, a lower hinge lug 3.3 and a convex block 3.4, an inner rod a and an outer rod b are both hinged with the upper hinge lug 3.2, an inner rod a and an outer rod b are both hinged with the lower hinge lug 3.4, the convex block 3.4 is provided with a push plate guide hole 3.5, the push plate guide hole 3.5 is symmetrically arranged relative to the vertical central plane of the tail plate 3, or the push plate guide hole 3.5 is symmetrically arranged relative to the vertical central plane and the horizontal central plane of the tail plate 3, 2 push plate guide holes 3.5 can be arranged relative to the vertical central plane of the tail plate 3, the mold opening stroke can be increased, and the stress point can be positioned at the center of the tail plate 3, 4 push plate guide holes can also be arranged relative to the vertical central plane and the horizontal central plane of the tail plate 3.5, the advantages of this arrangement are: the guide effect is better by using 4 guide rods 10 for guiding; the guide rod 10 passes through the guide hole 4.1 and then is inserted into the guide hole 3.5 of the push plate; the inner rod a is positioned on the inner side of the side plate 3.1, a certain distance is reserved between the hinged positions of the inner rod a and the upper hinge lug 3.2, and a certain distance is reserved between the hinged positions of the inner rod a and the lower hinge lug 3.3, namely the distance between the hinged positions is larger than the width of the push plate 4, so that the running space of the push plate 4 is ensured; the outer bars b are located outside the side plates 3.1.
The upper hinge lug 3.2 and the lower hinge lug 3.3 are arranged in an up-and-down symmetrical manner, the lug 3.4 is connected between the upper hinge lug 3.2 and the lower hinge lug 3.3, and the toggle rod is turned outwards and does not occupy the internal space of the tail plate 3, so that the upper hinge lug 3.1, the lower hinge lug 3.2 and the push plate guide hole 3.5 can be designed into an integrated structure to form a side plate 3.1, the integral rigidity of the tail plate is improved, and the material consumption of the tail plate is greatly reduced; four corners of the tail plate 3 are provided with pull rod holes 3.6, the pull rod holes 3.6 protrude out of the side plate 3.1 and are in one-to-one correspondence with the upper hinge lugs 3.2 or the lower hinge lugs 3.3, and the pull rods 5 are inserted into the pull rod holes 3.6.
The tail plate 3 is fixedly provided with more than one first driving mechanism A, the first driving mechanism A is in driving connection with the tail plate 3, and one side of the movable template 2 is provided with a second driving mechanism B. The first driving mechanism A comprises a hydraulic mold locking oil cylinder 11 and a piston rod 12, the hydraulic mold locking oil cylinder 11 is connected with the push plate 4 through the piston rod 12, when the injection molding machine operates, the hydraulic mold locking oil cylinder 11 drives the push plate 4 to do linear motion through the piston rod 12, the push plate 4 drives the connecting toggle rod 9 to rotate when moving, the connecting toggle rod 9 drives the rear toggle rod and the front toggle rod 6 to turn over when rotating, and the front toggle rod 6 drives the movable mold plate 2 to do mold opening and closing motions when turning over (as shown in figure 4, the rear toggle rod and the front toggle rod 6 turn over outwards when opening the mold). The first driving mechanism A can also be a servo motor and other driving devices such as a screw rod; the second driving mechanism B is a thimble oil cylinder.
The push plate 4 is cross symmetrical configuration, and the hinge hole includes hinge hole 4.1 and lower hinge hole 4.2, connects the upper and lower symmetry of toggle link 9 and sets up on clamping mechanism, and upper hinge hole 4.1 and lower hinge hole 4.2 pass through articulated shaft 13 with the corresponding toggle link 9 of connecting, and in vertical plane, its articulated department is located the articulated department of tailboard 3 and first back toggle link 7, the outside of the articulated department of tailboard 3 and second back toggle link 8 to guarantee the outside upset of back toggle link.
The upper hinge hole 4.1 is positioned at the uppermost end of the push plate 4, and the lower hinge hole 4.2 is positioned at the lowermost end of the push plate 4; when the movable mould plate 2 is opened to the bottom, the push plate 4 is retracted into the tail plate 3. In the vertical plane, the maximum size of the appearance of the push plate 4 is the hinged position up and down, the push plate is gradually reduced, and when the mold is opened to the end, most of the push plate 4 is contracted into the tail plate 3 so as to reduce the length size of the whole mold locking mechanism.
The pull rod 5 is arranged at four corners of the mold locking mechanism in a vertically and horizontally symmetrical mode, the movable mold plate 2 is arranged on the pull rod 5 in a sliding mode, when the movable mold plate 2 is closed to the bottom, an included angle formed by the first rear toggle rod 7 and the front toggle rod 6 and an included angle formed by the second rear toggle rod 8 and the front toggle rod 6 are d, and the d is 0-3 degrees.
The embodiment also provides an injection molding machine, which comprises the toggle rod outwards-turning type mold locking mechanism, so that the whole beneficial technical effects of the mold locking mechanism are achieved, and the description is omitted.
The foregoing is a preferred embodiment of the present invention, and the basic principles, principal features and advantages of the invention are shown and described. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and the invention is intended to be protected by the following claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a toggle rod formula clamping mechanism that turns up, includes fixed die plate (1), movable mould board (2), tailboard (3) and push pedal (4), fixed die plate (1), movable mould board (2), tailboard (3) and push pedal (4) all are located same axis, and fixed being provided with pull rod (5) between fixed die plate (1) and tailboard (3), movable mould board (2), its characterized in that are passed in pull rod (5): the connecting device is characterized by further comprising a front toggle rod (6), a first rear toggle rod (7), a second rear toggle rod (8) and a connecting toggle rod (9), wherein one end of each of the first rear toggle rod (7) and the second rear toggle rod (8) is hinged with the tail plate (3), the other end of each of the first rear toggle rod (7) and the second rear toggle rod (8) is hinged with one end of the front toggle rod (6), the other end of each of the front toggle rods (6) is hinged with the movable template (2), the push plate (4) is movably arranged between the first rear toggle rod (7) and the second rear toggle rod (8), a hinge hole is formed in the push plate (4), one end of the connecting toggle rod (9) is connected with the push plate (4) through a hinge shaft (13) arranged on the hinge hole, and the other end of the connecting toggle rod (9) is hinged with the first rear toggle rod (7) and; a guide rod (10) is fixedly arranged on the tail plate (3), guide holes (4.1) are formed in two sides of the push plate (4), the guide rod (10) penetrates through the guide holes (4.1), and the push plate (4) is arranged on the guide rod (10) in a sliding mode.
2. The toggle-fold clamping mechanism of claim 1, wherein: the mould locking mechanism is characterized in that the first rear toggle rods (7) are arranged on the mould locking mechanism in an up-down symmetrical mode, the second rear toggle rods (8) are arranged on the mould locking mechanism in an up-down symmetrical mode, the first rear toggle rods (7) and the second rear toggle rods (8) are arranged in a left-right symmetrical mode, the front toggle rods (6) are arranged on the mould locking mechanism in an up-down symmetrical mode and in a left-right symmetrical mode, and the hinged positions of the front toggle rods (6) and the movable mould plate (2) are close to the center of the movable mould plate (2).
3. The toggle-fold clamping mechanism of claim 2, wherein: toggle link (8) are two structures behind first back toggle link (7) and the second, including interior pole (a) and outer pole (b), and interior pole (a) and outer pole (b) all are articulated with tailboard (3), preceding toggle link (6), are equipped with arch (c) on interior pole (a), and the other end of connecting toggle link (9) is articulated with arch (c).
4. The toggle-fold clamping mechanism of claim 3, wherein: the front side of the tail plate (3) is provided with side plates (3.1) which protrude outwards and are arranged in a bilateral symmetry mode, an upper hinge lug (3.2), a lower hinge lug (3.3) and a convex block (3.4) are integrally arranged on each side plate (3.1), the inner rod (a) and the outer rod (b) are hinged with the upper hinge lug (3.2), the inner rod (a) and the outer rod (b) are hinged with the lower hinge lug (3.4), the convex block (3.4) is provided with a push plate guide hole (3.5), the push plate guide holes (3.5) are symmetrically arranged relative to the vertical central plane of the tail plate (3), or the push plate guide holes (3.5) are symmetrically arranged relative to the vertical central plane and the horizontal central plane of the tail plate (3); the guide rod (10) penetrates through the guide hole (4.1) and then is inserted into the guide hole (3.5) of the push plate; the inner rod (a) is located on the inner side of the side plate (3.1), a certain distance is arranged between the hinged positions of the inner rod (a) and the upper hinge lug (3.2), a certain distance is arranged between the hinged positions of the inner rod (a) and the lower hinge lug (3.3), and the outer rod (b) is located on the outer side of the side plate (3.1).
5. The toggle-fold clamping mechanism of claim 4, wherein: the upper hinge lug (3.2) and the lower hinge lug (3.3) are arranged in an up-and-down symmetrical mode, the protruding block (3.4) is connected between the upper hinge lug (3.2) and the lower hinge lug (3.3), pull rod holes (3.6) are formed in four corners of the tail plate (3), the pull rod holes (3.6) protrude out of the side plate (3.1) and correspond to the upper hinge lug (3.2) or the lower hinge lug (3.3) one by one, and the pull rods (5) are inserted into the pull rod holes (3.6).
6. The toggle-fold clamping mechanism of claim 5, wherein: the tail plate (3) is fixedly provided with more than one first driving mechanism (A), the first driving mechanism (A) is in driving connection with the tail plate (3), and one side of the movable template (2) is provided with a second driving mechanism (B).
7. The toggle-fold clamping mechanism of claim 6, wherein: push pedal (4) are cross symmetrical configuration, and the hinge hole includes hinge hole (4.1) and hinge hole (4.2) down, and connection toggle link (9) longitudinal symmetry sets up on clamping mechanism, goes up hinge hole (4.1) and hinge hole (4.2) down and is articulated through articulated shaft (13) with the connection toggle link (9) that correspond, and its articulated department is located the articulated department of tailboard (3) and first back toggle link (7), the outside of the articulated department of tailboard (3) and second back toggle link (8).
8. The toggle-fold clamping mechanism of claim 7, wherein: the upper hinge hole (4.1) is positioned at the upper end of the push plate (4), and the lower hinge hole (4.2) is positioned at the lower end of the push plate (4); when the movable template (2) is opened to the bottom, the push plate (4) is contracted into the tail plate (3).
9. The toggle-fold clamping mechanism of claim 8, wherein: the movable mould plate (2) is arranged on the pull rod (5) in a sliding mode, when the movable mould plate (2) is closed to the bottom, the included angle between the first rear toggle rod (7) and the front toggle rod (6) and the included angle between the second rear toggle rod (8) and the front toggle rod (6) are d, and d is 0-3 degrees.
10. An injection molding machine, characterized in that: comprising a toggle-lever-overclip clamping mechanism according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010421841.5A CN111497159A (en) | 2020-05-18 | 2020-05-18 | Toggle rod outward-turning type mold locking mechanism and injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010421841.5A CN111497159A (en) | 2020-05-18 | 2020-05-18 | Toggle rod outward-turning type mold locking mechanism and injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111497159A true CN111497159A (en) | 2020-08-07 |
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ID=71868609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010421841.5A Pending CN111497159A (en) | 2020-05-18 | 2020-05-18 | Toggle rod outward-turning type mold locking mechanism and injection molding machine |
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| CN (1) | CN111497159A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022033060A1 (en) * | 2020-08-13 | 2022-02-17 | 宁波长飞亚塑料机械制造有限公司 | Negative-rear-angle-type toggle connecting rod clamping mechanism |
| WO2022033061A1 (en) * | 2020-08-13 | 2022-02-17 | 宁波长飞亚塑料机械制造有限公司 | Toggle linkage clamping mechanism |
-
2020
- 2020-05-18 CN CN202010421841.5A patent/CN111497159A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022033060A1 (en) * | 2020-08-13 | 2022-02-17 | 宁波长飞亚塑料机械制造有限公司 | Negative-rear-angle-type toggle connecting rod clamping mechanism |
| WO2022033061A1 (en) * | 2020-08-13 | 2022-02-17 | 宁波长飞亚塑料机械制造有限公司 | Toggle linkage clamping mechanism |
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