CN220638802U - Injection molding machine mode locking mechanism with locking connection structure - Google Patents
Injection molding machine mode locking mechanism with locking connection structure Download PDFInfo
- Publication number
- CN220638802U CN220638802U CN202322256587.XU CN202322256587U CN220638802U CN 220638802 U CN220638802 U CN 220638802U CN 202322256587 U CN202322256587 U CN 202322256587U CN 220638802 U CN220638802 U CN 220638802U
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- Prior art keywords
- cross head
- piston rod
- locking
- injection molding
- molding machine
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 22
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 230000004308 accommodation Effects 0.000 claims description 3
- 230000006837 decompression Effects 0.000 claims description 2
- 238000005266 casting Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 238000012797 qualification Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to the technical field of injection molding machines, in particular to an injection molding machine mold locking mechanism with an anti-loosening connecting structure, which further comprises a connecting device for connecting a cross head and a mold locking piston rod, wherein one side of the cross head is provided with a containing hole, the connecting device comprises a locking nut group embedded into the containing hole and sleeved on the mold locking piston rod, a pressing piece arranged on the mold locking piston rod, and a fixing structure penetrating through the locking nut group and connected with the cross head, and the pressing piece is arranged on one side, relatively far away from the locking nut group, of the cross head so as to press and limit relative movement between the cross head and the mold locking piston rod. The application provides an injection molding machine clamping mechanism with locking connection structure, it has improved steadiness, locking effect that connect and the stability of opening and closing die greatly, prolongs the life of whole mould, improves the qualification rate of goods.
Description
[ field of technology ]
The utility model relates to the technical field of injection molding machines, in particular to an injection molding machine mold locking mechanism with an anti-loosening connecting structure.
[ background Art ]
In the existing mould locking mechanism of the general injection molding machine, a certain mould locking force and a motion stroke for controlling locking and opening are generally required to realize efficient and accurate injection molding operation, a mould locking piston rod is used as a main body for transmitting force, hydraulic fluid is converted into mechanical energy, a mould locking cylinder is connected with a cross head, the mould locking piston rod and the cross head are fixed through a locking nut, and after locking, the mechanical energy can be transmitted to move back and forth to drive a hook hinge to move at a certain angle, so that the mould opening and closing is completed. A half of the openings are sawed in the middle of the traditional lock nut, a screw is screwed to realize local lock nut deformation, the purpose of preventing loosening is achieved, the contact surface between a die locking piston rod and a cross head is too small, the cross head deformation caused by shearing force can occur when the die is opened and closed for a long time, meanwhile, the lock nut can be slowly loosened and closed, the unstable condition of opening and closing the die can occur to the machine, and finally, the product or the die is damaged,
[ utility model ]
The utility model aims to solve the technical problem of connection looseness between an existing mode locking piston rod and a cross head, and provides an injection molding machine mode locking mechanism with an anti-loosening connection structure.
The application is realized by the following technical scheme: the utility model provides an injection molding machine mode locking mechanism with locking connection structure, includes fixed die plate, movable die plate, back template, wears to locate mode locking piston rod on the back template, install in movable die plate with hinge means between the back template, and be fixed in mode locking piston rod one end and with hinge means articulated cross head, this mode locking mechanism still including connect the cross head with be equipped with the holding hole on one side of the cross head, connecting device including imbed to in the holding hole and cover locate lock nut group on the mode locking piston rod, install in support the piece on the mode locking piston rod, and wear to locate on the lock nut group and with the fixed knot that the cross head is connected constructs, support the piece divide to locate on the cross head is kept away from relatively lock nut group's one side is in order to support and press and restrict the relative motion between cross head and the mode locking piston rod.
The injection molding machine mode locking mechanism with the anti-loosening connecting structure comprises a locking main nut and a locking auxiliary nut arranged on one side, relatively far away from the cross head, of the locking main nut.
The injection molding machine mode locking mechanism with the anti-loosening connecting structure is characterized in that a pre-tightening groove is further formed in the periphery of the locking main nut.
The injection molding machine mode locking mechanism with the anti-loosening connecting structure comprises the pressure reducing gasket sleeved on the mode locking piston rod.
The injection molding machine mode locking mechanism with the anti-loosening connecting structure comprises a screw and a gasket penetrating through the screw.
Compared with the prior art, the application has the following advantages:
according to the injection molding machine mold locking mechanism with the anti-loosening connecting structure, the locking nut groups and the pressing piece are arranged on two sides of the cross head, the fixing structure enables the locking nut groups to be in locking fit with the cross head and push the cross head to move towards one side of the pressing piece, the pressing piece is attached to one side of the cross head and is matched with the locking nut groups to lock the cross head and the mold locking piston rod, so that the stability of connection, anti-loosening effect and mold opening and closing stability are greatly improved, the service life of the whole mold is prolonged, and the product quality rate is improved.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a mold locking mechanism according to an embodiment of the present application.
Fig. 2 is an exploded view of a connection device according to an embodiment of the present application.
Reference numerals: 1. a movable template; 2. a rear template; 3. a mode locking piston rod; 4. a hinge device; 5. a cross head; 6. a connecting device; 51. an accommodation hole; 61. a lock nut group; 62. a pressing member; 63. a fixed structure; 64. locking the main nut; 65. locking the auxiliary nut; 66. a pre-tightening groove; 67. a screw; 68. and a gasket.
[ detailed description ] of the utility model
In order to make the technical problems, technical schemes and beneficial effects solved by the application more clear, the application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.
As shown in fig. 1-2, the embodiment of the application proposes an injection molding machine mold locking mechanism with a locking connection structure, which comprises a fixed mold plate, a movable mold plate 1, a rear mold plate 2, a mold locking piston rod 3 penetrating through the rear mold plate 2, a hinge device 4 arranged between the movable mold plate 1 and the rear mold plate 2, and a cross head 5 fixed at one end of the mold locking piston rod 3 and hinged with the hinge device 4, wherein the mold locking mechanism further comprises a connection device 6 connecting the cross head 5 and the mold locking piston rod 3, one side of the cross head 5 is provided with a containing hole 51, the connection device 6 comprises a locking nut group 61 embedded in the containing hole 51 and sleeved on the mold locking piston rod 3, a pressing piece 62 arranged on the mold locking piston rod 3, and a fixing structure 63 penetrating through the locking nut group 61 and connected with the cross head 5, the pressing piece 62 is arranged on one side of the cross head 5 relatively far away from the locking nut group 61, so that the cross head 5 is connected with the cross head 5 and the cross head is limited by pressing the cross head, one side of the cross head is also pressed against the cross head 62 slowly towards one side of the piston rod 5, the two sides of the cross head 5 is deformed by the screw, the cross head is simultaneously, the two sides of the cross head 5 is pressed against the cross head are pressed against the middle part of the cross head 62, the cross head is deformed by the piston rod is slowly, the piston rod is deformed by the screw, and the piston rod is deformed by the locking nut 5, and the cross head is simultaneously, the cross head is pressed against the cross head 5, and the cross head is deformed by the cross head is the cross nut and the cross nut, and the cross head is deformed, the locking nut set 61 is matched with the locking nut set to lock the cross head 5 and the mold locking piston rod 3, so that the stability of connection, the anti-loosening effect and the stability of mold opening and closing are greatly improved, the service life of the whole mold is prolonged, and the product yield is improved.
The lock nut set 61 includes a lock main nut 64 and a lock sub nut 65 disposed on a side of the lock main nut 64 opposite to the cross head 5, where the lock main nut 64 and the lock sub nut 65 are pressed against each other, and the fixing structure 63 is locked to deform and fit, so as to further limit loosening of the lock nut set 61.
The circumference of the locking main nut 64 is also provided with a pre-tightening groove 66, and the pre-tightening groove 66 is tightly knocked to be attached to the cross head 5 to limit the movement of the locking main nut 64, so that the whole connecting device 6 is tightly locked with the cross head 5 and the die locking piston rod 3.
The pressing piece 62 comprises a decompression washer sleeved on the mode locking piston rod 3, so that looseness of the connecting device 6 caused by mechanical shake during periodic reciprocating motion is avoided.
The fixing structure 63 includes a screw 67 and a washer 68 penetrating the screw 67, and has a simple structure and high connection stability.
The foregoing description of one or more embodiments provided in connection with the specific disclosure is not intended to limit the practice of this application to such description. Any approximation, or substitution of techniques for the methods, structures, etc. of the present application or for the purposes of making a number of technological deductions based on the concepts of the present application should be considered as the scope of protection of the present application.
Claims (5)
1. Injection molding machine mode locking mechanism with locking connection structure, including fixed die plate, movable mould board (1), back template (2), wear to locate mode locking piston rod (3) on back template (2), install in movable die plate (1) with hinge means (4) between back template (2), and be fixed in mode locking piston rod (3) one end just with hinge means (4) articulated cross head (5), characterized in that, this mode locking mechanism still including connect cross head (5) with connecting device (6) of mode locking piston rod (3), be equipped with accommodation hole (51) on cross head (5) one side, connecting device (6) including the embedding to in accommodation hole (51) and the cover is located locking nut group (61) on mode locking piston rod (3), install in support casting die (62) on mode locking piston rod (3), and wear to locate on locking nut group (61) and with cross head (5) be connected fixed knot constructs (63), cross head (5) are located in order to keep away from cross head (5) relative motion restriction in order to locate cross head (5) one side between relative lock nut (3).
2. The injection molding machine mold locking mechanism with the anti-loosening connecting structure according to claim 1, wherein the lock nut group (61) comprises a lock main nut (64) and a lock sub nut (65) provided on a side of the lock main nut (64) relatively far from the cross head (5).
3. The injection molding machine mold locking mechanism with the anti-loosening connecting structure according to claim 2, wherein a pre-tightening groove (66) is further formed on the peripheral side of the locking main nut (64).
4. The injection molding machine mold locking mechanism with the anti-loosening connecting structure according to claim 1, wherein the pressing piece (62) comprises a decompression washer sleeved on the mold locking piston rod (3).
5. The injection molding machine mold locking mechanism with the anti-loosening connection structure according to claim 1, wherein the fixing structure (63) comprises a screw (67) and a washer (68) penetrating the screw (67).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322256587.XU CN220638802U (en) | 2023-08-21 | 2023-08-21 | Injection molding machine mode locking mechanism with locking connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322256587.XU CN220638802U (en) | 2023-08-21 | 2023-08-21 | Injection molding machine mode locking mechanism with locking connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220638802U true CN220638802U (en) | 2024-03-22 |
Family
ID=90287393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322256587.XU Active CN220638802U (en) | 2023-08-21 | 2023-08-21 | Injection molding machine mode locking mechanism with locking connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220638802U (en) |
-
2023
- 2023-08-21 CN CN202322256587.XU patent/CN220638802U/en active Active
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