CN114932666A - Mechanical protection device of injection molding machine - Google Patents
Mechanical protection device of injection molding machine Download PDFInfo
- Publication number
- CN114932666A CN114932666A CN202210313967.XA CN202210313967A CN114932666A CN 114932666 A CN114932666 A CN 114932666A CN 202210313967 A CN202210313967 A CN 202210313967A CN 114932666 A CN114932666 A CN 114932666A
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- China
- Prior art keywords
- locking
- mold
- injection molding
- protection device
- movable
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- B29C45/84—Safety devices
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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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a mechanical protection device of an injection molding machine, which is used for locking a movable template and comprises: a mold locking frame; the mold locking rod is fixed on the mold locking rack, and the length extension direction of the mold locking rod is parallel to the moving direction of the movable mold plate; the locking mechanism is arranged on the movable template and moves along with the movable template, the locking mechanism comprises a locking part and a driving part, the locking part is at least partially rotatably arranged on the movable template and is clamped on the mold locking rod through the locking part, the locking part is provided with a locking position clamped on the mold locking rod and a releasing position separated from the mold locking rod, and when the movable template is locked, the driving part is designed to allow the locking part to rotate so that the locking part can rotate to be clamped with the mold locking rod; when the movable die plate is to be unlocked, the driving portion is designed to allow the rotational movement of the locking portion and to lock the rotational movement of the locking portion when the locking portion is moved to the unlocking position. The mechanical protection device has the advantages of stable structure, higher safety and convenience in installation and maintenance.
Description
Technical Field
The invention relates to the field of injection molding machines, in particular to a mechanical protection device of an injection molding machine.
Background
In the production process of the injection molding machine, the injection molding and die closing process is carried out in a high-temperature and high-pressure environment, the die opening and closing speed is high, and an operator has the condition that the operator needs to stretch hands to enter a die closing cavity area for manual operation such as product taking out, die inspection, dismounting and the like.
The mechanical lock of the present injection molding machine is generally installed on the top of the injection molding machine, a safety door drives a collision block to act on the mechanical lock, and the mechanical lock is mechanically locked, which has the following defects: the mechanical lock is arranged at the top of the injection molding machine, so that on one hand, the space of a workshop is required to be high enough, and on the other hand, the repair difficulty is high; the mechanical lock is locked in a mechanical mode, control is unstable, potential safety hazards exist, and safety is insufficient.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a mechanical protection device of an injection molding machine, which can save space and has higher safety.
The purpose of the invention is realized by adopting the following technical scheme:
a mechanical protection device for an injection molding machine for locking a moving platen, comprising:
a mold locking frame;
the mold locking rod is fixed on the mold locking rack, and the length extension direction of the mold locking rod is parallel to the moving direction of the movable mold plate;
the locking mechanism is arranged on the movable template to move along with the movable template, and comprises a locking part and a driving part, wherein at least part of the locking part is rotatably arranged on the movable template and is clamped on the template locking rod through the locking part so as to lock the movable template;
the locking part has a locking position where the locking part is clamped on the mold locking rod and a releasing position where the locking part is separated from the mold locking rod, and when the movable mold plate is locked, the driving part is designed to allow the locking part to rotate so that the locking part is clamped with the mold locking rod; when the movable die plate is to be unlocked, the driving portion is designed to allow the rotational movement of the locking portion and to lock the rotational movement of the locking portion when the locking portion is moved to the unlocking position.
Further, the mold locking rod is provided with a plurality of locking grooves along the length extension direction of the mold locking rod, and at least part of the locking parts can be clamped into the locking grooves to lock the movable mold plate.
Further, a first guide inclined surface is formed on the inner side wall of the locking groove, and the locking portion is provided with a second guide inclined surface matched with the first guide inclined surface.
Further, the locking mechanism further comprises a stopping part for stopping the rotational movement of the locking part when the locking part is clamped on the mold locking rod.
Further, the driving part is an air cylinder, the locking mechanism further comprises a transmission part, and at least part of the locking part is in transmission connection with the air cylinder through the transmission part.
Furthermore, the locking mechanism further comprises a fixing part, the fixing part is connected with the movable template, at least part of the locking part is rotatably connected with the fixing part through a rotating shaft, the cylinder body of the cylinder is connected with the fixing part, and at least part of the locking part is in transmission connection with the driving head of the cylinder through the transmission part.
Furthermore, the transmission part comprises a cross rod and a vertical rod vertically connected with one end of the cross rod, the driving head of the air cylinder is positioned below the cross rod, and at least part of the locking part is connected with the vertical rod.
Further, the locking mechanism further comprises a connecting support, one end of the connecting support is connected with the fixing portion, and the cylinder body of the air cylinder is fixed to the other end of the connecting support through a bolt.
Furthermore, a sliding foot is arranged on the movable template, and the fixing part is connected with the sliding foot through a screw.
Further, the mold locking rod is connected with the mold locking rack through a screw.
Compared with the prior art, the invention has the beneficial effects that:
in the invention, when the movable template moves, the driving part locks the rotation motion of the locking part, so that the locking part is at a release position, and the locking part is prevented from influencing the movement of the movable template; when the movable template moves to a preset setting, the driving part allows the locking part to rotate, so that the locking part starts to rotate from a release position, and when the locking part moves to be clamped with the mold locking rod, the movable template is locked and cannot move, so that the action of the movable template is limited, and a safety effect is achieved; the movement of the locking part is controlled by the driving part, so that the locking and unlocking of the movable template are realized, the traditional mechanical control is more stable, the safety is higher, and in addition, the locking rod is fixed on the locking rack, so that the space can be saved on one hand; on the other hand, the interface of the locking mechanism can be reserved in the mode locking rack.
Drawings
FIG. 1 is one of the schematic views of a mechanical protection device for an injection molding machine according to the present invention, showing a movable platen in a mold clamping state;
FIG. 2 is an enlarged view of A in FIG. 1
Fig. 3 is a second schematic view of the mechanical protection device of the injection molding machine according to the present invention, in which the movable platen is shown in an open state;
FIG. 4 is an enlarged schematic view at B of FIG. 3;
FIG. 5 is a schematic view of a locking mechanism and a mold locking bar of a mechanical protection device of an injection molding machine according to the present invention;
in the figure: 1. a mold locking frame; 2. a mold locking rod; 21. a locking groove; 22. a first guide slope; 3. a locking mechanism; 31. a locking portion; 32. a drive section; 33. a stopper portion; 34. a transmission section; 35. a fixed part; 36. a rotating shaft; 37. connecting a bracket; 4. moving the template; 41. and (6) sliding feet.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", "vertical", "top", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first," "second," "one," "another," and the like are used to distinguish similar elements, and these terms and other similar terms are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through both elements. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art. Corresponding reference numerals are used throughout the figures to indicate corresponding or corresponding elements (e.g., elements identified as "1 XX" and "2 XX" are structurally identical and functionally similar).
As shown in fig. 1 to 5, the mechanical protection device for an injection molding machine according to the present invention is used for locking a movable mold plate 4, and includes:
a mold locking frame 1;
the mold locking rod 2 is fixed on the mold locking rack 1, and the length extending direction of the mold locking rod 2 is parallel to the moving direction of the movable mold plate 4;
the locking mechanism 3 is mounted on the movable die plate 4 to move along with the movable die plate 4, the locking mechanism 3 comprises a locking part 31 and a driving part 32, at least part of the locking part 31 is rotatably arranged on the movable die plate 4 and is used for being clamped on the die locking rod 2 through the locking part 31 so as to lock the movable die plate 4;
the locking part 31 has a locking position where it is caught on the mold locking bar 2 and a releasing position where it is released from the mold locking bar 2, and when the movable die plate 4 is to be locked, the driving part 32 is designed to allow a rotational movement of the locking part 31 to cause the locking part 31 to be rotationally moved to be caught on the mold locking bar 2; when the movable die plate 4 is to be unlocked, the driving portion 32 is designed to allow the rotational movement of the lock portion 31 and to lock the rotational movement of the lock portion 31 when the lock portion 31 is moved to the unlocked position.
In the present invention, the operation principle of the lock mechanism 3 is as follows: when the movable die plate 4 moves, the driving part 32 locks the rotation motion of the locking part 31, so that the locking part 31 is in a release position, and the locking part 31 is prevented from influencing the movement of the movable die plate 4, as shown in fig. 3-4; when the movable die plate 4 moves to a preset setting, the driving part 32 allows the locking part 31 to rotate, so that the locking part 31 starts to rotate from a release position, and when the locking part 31 moves to be clamped with the mold locking rod 2, the movable die plate 4 is locked and cannot move, so that the action of the movable die plate 4 is limited, and a safety function is achieved, as shown in fig. 1-2; the movement of the locking part 31 is controlled by the driving part 32, so that the traditional mechanical control is more stable and the safety is higher, and in addition, the mold locking rod 2 is fixed on the mold locking rack 1, so that the space can be saved; on the other hand, the interface of the locking mechanism 3 can be reserved in the mode locking rack 1.
In a preferred embodiment, the mold locking rod 2 is provided with a plurality of locking grooves 21 along the length extension direction thereof, and the locking portions 31 can be at least partially snapped into the locking grooves 21 to lock the movable mold plate 4. By providing a plurality of locking grooves 21, the movable die plate 4 can be braked at any time at a plurality of positions, and flexibility is high.
In a preferred embodiment, the inner sidewall of the locking groove 21 is formed with a first guide slope 22, and the locking portion 31 is provided with a second guide slope cooperating with the first guide slope 22. The first guide slope 22 and the second guide slope cooperate with each other to allow the locking portion 31 to be smoothly caught in the locking groove 21.
In a preferred embodiment, the locking mechanism 3 further includes a stopping portion 33, and the stopping portion 33 is used for stopping the rotation movement of the locking portion 31 when the locking portion 31 is clamped on the mold locking rod 2. By providing the stopper portion 33, the lock portion 31 is accurately restricted in the lock groove 21.
In a preferred embodiment, the driving portion 32 is an air cylinder, and the locking mechanism 3 further includes a transmission portion 34, and the locking portion 31 is at least partially in transmission connection with the air cylinder through the transmission portion 34. In this embodiment, the driving head of the cylinder is connected to the transmission part 34, and the piston of the cylinder extends and retracts to lift and lower the transmission part 34, so as to drive the locking part 31 to rotate.
In a preferred embodiment, the locking mechanism 3 further includes a fixing portion 35, the fixing portion 35 is connected to the movable die plate 4, the locking portion 31 is at least partially rotatably connected to the fixing portion 35 through a rotating shaft 36, the cylinder body of the air cylinder is connected to the fixing portion 35, and the locking portion 31 is at least partially drivingly connected to the driving head of the air cylinder through the transmission portion 34.
In a preferred embodiment, the transmission portion 34 includes a cross bar and a vertical bar vertically connected to one end of the cross bar, the driving head of the air cylinder is located below the cross bar, and the locking portion 31 is at least partially connected to the vertical bar. In this embodiment, the vertical bar is detachably connected to the locking portion 31 by means of a bolt.
In a preferred embodiment, the locking mechanism 3 further includes a connecting bracket 37, one end of the connecting bracket 37 is connected to the fixing portion 35, and the cylinder body of the air cylinder is fixed to the other end of the connecting bracket 37 by a bolt.
In a preferred embodiment, the movable die plate 4 is provided with a runner 41, and the fixing portion 35 is connected to the runner 41 by a screw. The fixing portion 35 is detachably connected to the slide foot 41 of the movable platen 4 by means of screws, which facilitates assembly and disassembly of the locking mechanism 3 and subsequent maintenance.
In a preferred embodiment, the mold clamping rod 2 is connected to the mold clamping frame 1 by a screw. Of course, the mold locking rod 2 may also be fixed to the mold locking frame 1 by other means, such as welding or riveting.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (10)
1. A mechanical protection device for injection molding machines for locking a moving platen (4), comprising:
a mold locking frame (1);
the mold locking rod (2) is fixed on the mold locking rack (1), and the length extension direction of the mold locking rod (2) is parallel to the moving direction of the movable mold plate (4);
the locking mechanism (3) is mounted on the movable template (4) to move along with the movable template (4), the locking mechanism (3) comprises a locking part (31) and a driving part (32), at least part of the locking part (31) is rotatably arranged on the movable template (4) and is used for being clamped on the mold locking rod (2) through the locking part (31) to lock the movable template (4);
the locking part (31) is provided with a locking position clamped on the mold locking rod (2) and a releasing position separated from the mold locking rod (2), when the movable mold plate (4) is to be locked, the driving part (32) is designed to allow the locking part (31) to rotate so that the locking part (31) can rotate to be clamped with the mold locking rod (2); when the movable die plate (4) is to be unlocked, the driving portion (32) is designed to allow the rotational movement of the locking portion (31) and to lock the rotational movement of the locking portion (31) when the locking portion (31) is moved to the unlocked position.
2. The mechanical protection device of an injection molding machine according to claim 1, wherein the mold locking rod (2) is provided with a plurality of locking grooves (21) along a length extension direction thereof, and the locking portions (31) are at least partially snapped into the locking grooves (21) to lock the movable platen (4).
3. The mechanical protection device of an injection molding machine according to claim 2, wherein an inner side wall of the locking groove (21) is formed with a first guide slope (22), and the locking portion (31) is provided with a second guide slope which is engaged with the first guide slope (22).
4. The mechanical protection device of an injection molding machine according to claim 1, wherein said locking mechanism (3) further comprises a stopper portion (33), said stopper portion (33) being for stopping a rotational movement of said locking portion (31) when said locking portion (31) is caught on said mold locking bar (2).
5. The mechanical protection device of an injection molding machine according to claim 1, wherein the driving portion (32) is a cylinder, the locking mechanism (3) further comprises a transmission portion (34), and the locking portion (31) is in transmission connection with the cylinder at least partially through the transmission portion (34).
6. The mechanical protection device of an injection molding machine according to claim 5, wherein the locking mechanism (3) further comprises a fixing portion (35), the fixing portion (35) is connected with the movable mold plate (4), the locking portion (31) is at least partially rotatably connected with the fixing portion (35) through a rotating shaft (36), the cylinder body of the air cylinder is connected with the fixing portion (35), and the locking portion (31) is at least partially in transmission connection with the driving head of the air cylinder through the transmission portion (34).
7. Mechanical protection device for an injection molding machine according to claim 6, characterized in that said transmission portion (34) comprises a cross bar and a vertical bar perpendicularly connected to one end of said cross bar, the driving head of said cylinder being located below said cross bar, said locking portion (31) being at least partially connected to said vertical bar.
8. The mechanical protection device of an injection molding machine according to claim 6, wherein the locking mechanism (3) further comprises a connecting bracket (37), one end of the connecting bracket (37) is connected to the fixing portion (35), and the cylinder body of the cylinder is fixed to the other end of the connecting bracket (37) by a bolt.
9. The mechanical protection device of an injection molding machine according to claim 6, wherein a runner (41) is provided on the movable platen (4), and the fixing portion (35) is connected to the runner (41) by a screw.
10. The mechanical protection device of an injection molding machine according to claim 1, wherein said mold clamping bar (2) is connected to said mold clamping frame (1) by means of screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210313967.XA CN114932666A (en) | 2022-03-28 | 2022-03-28 | Mechanical protection device of injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210313967.XA CN114932666A (en) | 2022-03-28 | 2022-03-28 | Mechanical protection device of injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114932666A true CN114932666A (en) | 2022-08-23 |
Family
ID=82861603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210313967.XA Pending CN114932666A (en) | 2022-03-28 | 2022-03-28 | Mechanical protection device of injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114932666A (en) |
-
2022
- 2022-03-28 CN CN202210313967.XA patent/CN114932666A/en active Pending
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