Novel injection integral moving structure
By adopting a new injection reshuffle structure with double-segment displacement in the injection device, the superimposed stroke of the main reshuffle cylinder and the secondary reshuffle cylinder is solved, and a larger reshuffle range and more flexible equipment layout are achieved.
Patent Information
- Application Number
- CN202411960359.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-03-28
AI Technical Summary
In the large tonnage injection combination, the installation position of the traditional reshuffle cylinder is limited, which makes it impossible to meet the needs of a larger reshuffle stroke, which increases the cost and the compactness of the equipment layout, and causes inconvenience to operation.
A new injection and shift structure with double-section displacement is adopted, including the main shift cylinder and the secondary shift cylinder. Through the design of the guide rod and the connecting plate, the superimposed stroke of the main shift cylinder and the secondary shift cylinder is realized, and the stroke range of the shift structure is expanded.
It effectively expands the transfer stroke of the injection device and is suitable for large tonnage injection molding machines, without increasing the overall length or area, saving space and simplifying operation.
Smart Images
Figure CN119704522A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of injection devices, in particular to a novel injection whole-shift structure. Background Art
[0002] With the rapid development of society and the growing demand for plastic products, the injection molding machine industry has also been evolving to adapt to the diverse and complex product manufacturing requirements. In particular, the development of multi-component injection molding machines has brought more machine options with more diverse layouts and functions. In this context, the design difficulty of injection combinations has gradually increased, especially in large-tonnage and high-difficulty injection combinations.
[0003] When the clamping tonnage is larger, the thickness of the head plate will also increase accordingly. In this case, the injection design must meet the requirement that the injection stroke can be retracted to the bottom to ensure that the nozzle can smoothly exit the large plane of the head plate. This means that a larger full-shift stroke is required so that the nozzle can completely detach from the surface of the head plate after the injection is completed to prepare for the next injection or maintenance operation.
[0004] However, the installation position of the conventional full-shift oil cylinder is limited to the space between the head plate plane, which limits the possibility of installing a larger full-shift oil cylinder. Therefore, when a larger full-shift stroke is required and space is limited, the traditional approach is to install a full-shift oil cylinder on both sides of the injection device to achieve the required stroke. However, this method not only increases the cost, but also makes the equipment layout more compact because the additional oil cylinder occupies more space, which brings inconvenience to the actual operation. Summary of the invention
[0005] The present invention is made in consideration of the above-mentioned problems, and the purpose of the invention is to provide a new injection whole-shift structure, which utilizes double-stage displacement to greatly improve the stroke range of the injection device and meet the needs of injection molding machines with larger tonnage.
[0006] To achieve the above-mentioned purpose, the present invention provides a novel injection whole-shift structure for an injection molding machine, the injection molding machine comprising a head plate and an injection device, the injection whole-shift structure comprising a main whole-shift oil cylinder, a secondary whole-shift oil cylinder, a guide rod and a connecting plate, the guide rod being arranged between the head plate and the injection device, the connecting plate being movably arranged on the guide rod, one end of the main whole-shift oil cylinder being connected to the injection device, the other end of the main whole-shift oil cylinder being connected to the connecting plate, the secondary whole-shift oil cylinder being connected to the connecting plate, and being able to drive the connecting plate to move along the arrangement direction of the guide rod;
[0007] The arrangement direction of the main moving cylinder is consistent with the arrangement direction of the guide rod.
[0008] According to the above-mentioned new injection shifting structure, it also includes a transition plate, which is fixed on the side of the head plate close to the injection device, the auxiliary shifting cylinder is fixed on the connecting plate, and the piston rod of the auxiliary shifting cylinder is connected to the transition plate.
[0009] According to the novel injection shifting structure described above, the auxiliary shifting oil cylinder is arranged in the same direction as the main shifting oil cylinder and is located on one side of the main shifting oil cylinder.
[0010] According to the above-mentioned new injection shift structure, the auxiliary shift cylinder is installed on the connecting plate, and the auxiliary shift cylinder is detachably connected to the connecting plate by a first screw, the piston rod of the auxiliary shift cylinder is threadedly engaged with the transition plate, and an adjusting nut is provided on the piston rod, and the inner end face of the adjusting nut can be fitted with the outer side face of the transition plate.
[0011] According to the above-mentioned new injection whole-shift structure, it also includes a support frame, a positioning plate is provided on the top of the support frame, one end of the guide rod is detachably connected to the positioning plate by a second screw, and the other end of the guide rod can pass through the connecting plate and connect with the transition plate. A copper sleeve is provided on the connecting plate, and the guide rod can be inserted into the copper sleeve and form a clearance fit with the copper sleeve.
[0012] According to the novel injection shifting structure described above, four guide rods are provided, the other ends of the four guide rods are respectively connected to the four corners of the positioning plate, and the other ends are respectively connected to the four corners of the transition plate, and the connecting plate is connected to the four guide rods at the same time.
[0013] According to the novel injection whole-shift structure described above, it also includes a first connecting piece, and the piston rod of the main whole-shift oil cylinder is hinged to the middle part of the connecting plate through the first connecting piece and can rotate in the up and down directions.
[0014] According to the above-mentioned new injection whole-shift structure, the first connecting part includes a piston joint, a first hinge seat and a first seat pin, the piston rod of the main whole-shift cylinder can be inserted into the piston joint, the first hinge seat is detachably fixed to the middle part of the connecting plate by a third screw, one end of the piston joint can be inserted into the first hinge seat, and can be rotatably connected to the first hinge seat through the first seat pin.
[0015] According to the novel injection whole-shift structure described above, it also includes a second connecting piece, and the end of the main whole-shift oil cylinder away from the connecting plate is hinged to the injection device through the second connecting piece and can rotate in the left and right directions.
[0016] According to the above-mentioned new injection whole-shift structure, the second connecting member includes a second hinge seat and a second seat pin, and the second hinge seat is detachably fixed to the middle part of the injection device by a fourth screw, and the end of the main whole-shift cylinder away from the connecting plate can be inserted into the second hinge seat and can be rotatably connected to the second hinge seat through the second seat pin.
[0017] The present invention has the following beneficial effects: under normal conditions, if the stroke of the main shifting cylinder can meet the stroke requirement of the injection device, the injection device can be driven to perform the whole-shift movement only through the movement of the main shifting cylinder; and when the stroke of the main shifting cylinder cannot meet the stroke requirement of the injection device, such as when performing a shot-back action, the main shifting cylinder can first drive the injection device to perform the whole-shift movement, and after the stroke of the main shifting cylinder is used up, the auxiliary shifting cylinder drives the connecting plate to perform the whole-shift movement, and the connecting plate drives the injection device to continue to perform the whole-shift movement through the main shifting cylinder, and the whole-shift distance of the injection device can reach the sum of the strokes of the main shifting cylinder and the auxiliary shifting cylinder, so it can be suitable for large-tonnage injection molding machines, and the arrangement of the auxiliary shifting cylinder will not increase the overall length or occupied area of the whole-shift structure, which can effectively save space and meet the use in scenarios of various complex injection combinations. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of the assembly of the whole moving structure of the embodiment;
[0019] Figure 2 1. It is a schematic diagram of the assembly of the main whole-shift oil cylinder of the embodiment;
[0020] Figure 3 is a cross-sectional view of the whole moving structure of the embodiment;
[0021] Figure 4 It is a cross-sectional view from another perspective of the entire moving structure of the embodiment.
[0022] In the figure:
[0023] 1. Head plate; 2. Injection device; 3. Main shift cylinder; 4. Auxiliary shift cylinder; 5. Guide rod; 6. Connecting plate; 7. Transition plate; 8. First screw; 9. Adjusting nut; 10. Support frame; 11. Positioning plate; 12. Copper sleeve; 13. Piston joint; 14. First hinge seat; 15. First seat pin; 16. Second screw; 17. Second hinge seat; 18. Second seat pin; 19. Third screw. DETAILED DESCRIPTION
[0024] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
[0025] like Figure 1-4As shown, a new injection shifting structure includes a main shifting cylinder 3, an auxiliary shifting cylinder 4, a guide rod 5 and a connecting plate 6.
[0026] Specifically, the whole-moving structure is applied to an injection molding machine, which includes a head plate 1 and an injection device 2. The whole-moving structure is fixed on the head plate 1 and is used to drive the injection device 2 to move toward the side close to the head plate 1 or away from the head plate 1, so that the nozzle on the injection device 2 can be inserted into or detached from the injection port of the head plate 1. When it is detached from the head plate 1, the screw, barrel and other components of the injection device 2 can be replaced.
[0027] For the thick head plate 1, due to its large thickness, the stroke of the nozzle of the injection device 2 in the head plate 1 is also large. In order to meet the large stroke requirement of the injection device 2, the guide rod 5 is arranged between the head plate 1 and the injection device 2, and the connecting plate 6 is movably arranged on the guide rod 5 and can be displaced along the arrangement direction of the guide rod 5. One end of the main full-shift oil cylinder 3 is connected to the injection device 2, and the other end thereof is connected to the connecting plate 6. The auxiliary full-shift oil cylinder 4 is connected to the connecting plate 6 and can drive the connecting plate 6 to move along the arrangement direction of the guide rod 5, and the arrangement direction of the main full-shift oil cylinder 3 is consistent with the arrangement direction of the guide rod 5. During the movement of the connecting plate 6, its moving direction is consistent with the extension and retraction direction of the piston rod of the main shifting cylinder 3, so as to play a superimposed role. In the present embodiment, if it is necessary to withdraw the nozzle of the injection device 2 from the head plate 1, the main shifting cylinder 3 can be used to drive it to perform the ejection and retraction action. If the nozzle of the injection device 2 is still in the head plate 1 after the stroke of the main shifting cylinder 3 is used up, the auxiliary shifting cylinder 4 can be used to drive the main shifting cylinder 3 to continue to move, and the nozzle can also continue to move and can smoothly detach from the head plate 1. That is, the double-stage displacement can increase the stroke of the whole-movement structure, which is suitable for large-tonnage injection molding machines.
[0028] Specifically, it also includes a transition plate 7, which is fixed on the side of the head plate 1 close to the injection device 2, the auxiliary shifting cylinder 4 is fixed on the connecting plate 6, and the piston rod of the auxiliary shifting cylinder 4 is connected to the transition plate 7, and the transition plate 7 is used to connect the shifting structure to the head plate 1, and when the piston rod of the auxiliary shifting cylinder 4 is extended, since the transition plate 7 remains stationary, it can drive the auxiliary shifting cylinder 4 to move to the side away from the head plate 1, and it drives the main shifting cylinder 3 to move together through the connecting plate 6.
[0029] In order to ensure that the two displacements can be superimposed, the auxiliary shifting cylinder 4 is arranged in the same direction as the main shifting cylinder 3 and is located on one side of the main shifting cylinder 3. Their arrangement directions are consistent, which can ensure that the extension and retraction directions of their piston rods are also consistent, thereby achieving the superposition of movement distances, and the length of the auxiliary shifting cylinder 4 should be smaller than that of the main shifting cylinder 3 to avoid additional length and space occupation.
[0030] Specifically, the auxiliary shifting oil cylinder 4 is penetrated on the connecting plate 6, and the auxiliary shifting oil cylinder 4 is detachably connected to the connecting plate 6 by a first screw 8. After the detachable connection by the first screw 8, the auxiliary shifting oil cylinder 4 is fixedly connected to the connecting plate 6. When the auxiliary shifting oil cylinder 4 moves, the connecting plate 6 can be driven to move together. The piston rod of the auxiliary shifting oil cylinder 4 is threadedly engaged with the transition plate 7, and an adjusting nut 9 is provided on the piston rod. The inner end face of the adjusting nut 9 can be fitted with the outer side face of the transition plate 7. By rotating the adjusting nut 9, its position on the piston rod can be adjusted, and then the auxiliary shifting oil cylinder 4 can be fine-tuned in the front and rear directions. Since the auxiliary shifting oil cylinder 4 is detachably connected to the connecting plate 6 and the transition plate 7, it is convenient to remove the auxiliary shifting oil cylinder 4 for maintenance and replacement.
[0031] In order to provide support for the guide rod 5, a support frame 10 is also included. A positioning plate 11 is provided on the top of the support frame 10. One end of the guide rod 5 is detachably connected to the positioning plate 11 by a second screw 16. The other end of the guide rod 5 can pass through the connecting plate 6 and connect with the transition plate 7. The connecting plate 6 is provided with a copper sleeve 12. The guide rod 5 can be inserted into the copper sleeve 12 and form a clearance fit with the copper sleeve 12. That is, the support frame 10 and the transition plate 7 are used to provide support for the two ends of the guide rod 5, and the clearance fit between the connecting plate 6 and the guide rod 5 allows the connecting plate 6 to move smoothly on the guide rod 5.
[0032] In order to ensure the stability of the movement of the connecting plate 6, four guide rods 5 are provided, and the other ends of the four guide rods 5 are respectively connected to the four corners of the positioning plate 11, and the other ends are respectively connected to the four corners of the transition plate 7, and the connecting plate 6 is connected to the four guide rods 5 at the same time, which is equivalent to four-point positioning of the connecting plate 6 to prevent it from shaking, thereby improving the overall movement accuracy of the injection device 2.
[0033] Specifically, it also includes a first connecting member and a second connecting member, which are respectively used to fix the two ends of the main moving cylinder 3 to the connecting plate 6 and the injection device 2. The piston rod of the main moving cylinder 3 is hinged to the middle part of the connecting plate 6 through the first connecting member and can rotate in the up and down directions. The end of the main moving cylinder 3 away from the connecting plate 6 is hinged to the middle part of the injection device 2 through the second connecting member and can rotate in the left and right directions. Its rotation in the up and down directions can ensure that the main moving cylinder 3 is horizontal, and its rotation in the left and right directions can ensure that it can accurately apply the driving force to the injection device 2 to avoid force deviation.
[0034] Specifically, the first connecting member includes a piston joint 13, a first hinge seat 14 and a first seat pin 15. The piston rod of the main shift cylinder 3 can be inserted into the piston joint 13. The front and rear position of the piston rod in the piston joint 13 can be adjusted, thereby fine-tuning the front and rear position of the main shift cylinder 3. The first hinge seat 14 is detachably fixed to the middle part of the connecting plate 6 by a third screw 19. One end of the piston joint 13 can be inserted into the first hinge seat 14 and can be rotatably connected to the first hinge seat 14 by the first seat pin 15, that is, the first connecting member is detachable as a whole, which is convenient for disassembly and maintenance.
[0035] Specifically, the second connecting member includes a second hinge seat 17 and a second seat pin 18. The second hinge seat 17 is detachably fixed to the middle part of the injection device 2 by a third screw 19. The end of the main shift cylinder 3 away from the connecting plate 6 can be inserted into the second hinge seat 17 and can be rotatably connected to the second hinge seat 17 by the second seat pin 18. The second connecting member is also detachable as a whole, which is convenient for disassembly and maintenance.
[0036] The technical solution of the present invention is described in detail above in conjunction with the accompanying drawings, and the described embodiments are used to help understand the concept of the present invention. The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art of the invention may make various modifications or supplements to the described specific embodiments or replace them in a similar manner, but they will not deviate from the spirit of the present invention or exceed the scope defined by the attached claims.
[0037] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.
[0038] In addition, in the present invention, descriptions such as "first", "second", "one", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.
[0039] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0040] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.
Claims
1. A novel injection whole-shift structure, used for an injection molding machine, the injection molding machine includes a head plate and an injection device, characterized in that: The injection whole-movement structure comprises a main whole-movement oil cylinder, a secondary whole-movement oil cylinder, a guide rod and a connecting plate, wherein the guide rod is arranged between the head plate and the injection device, and the connecting plate is movably arranged on the guide rod, one end of the main whole-movement oil cylinder is connected to the injection device, the other end of the main whole-movement oil cylinder is connected to the connecting plate, and the secondary whole-movement oil cylinder is connected to the connecting plate, and can drive the connecting plate to move along the arrangement direction of the guide rod; The arrangement direction of the main moving cylinder is consistent with the arrangement direction of the guide rod.
2. A novel injection whole-shift structure according to claim 1, characterized in that: It also includes a transition plate, which is fixed on the side of the head plate close to the injection device, the auxiliary full-shift oil cylinder is fixed on the connecting plate, and the piston rod of the auxiliary full-shift oil cylinder is connected to the transition plate.
3. A novel injection and transfer structure according to claim 2, characterized in that: The auxiliary full-shift oil cylinder is arranged in the same direction as the main full-shift oil cylinder and is located on one side of the main full-shift oil cylinder.
4. A novel injection and transfer structure according to claim 2 or 3, characterized in that: The auxiliary shifting oil cylinder is passed through the connecting plate, and the auxiliary shifting oil cylinder is detachably connected to the connecting plate by a first screw, the piston rod of the auxiliary shifting oil cylinder is threadedly engaged with the transition plate, and an adjusting nut is provided on the piston rod, and the inner end surface of the adjusting nut can be fitted with the outer side surface of the transition plate.
5. A novel injection whole-shift structure according to claim 2, characterized in that: It also includes a support frame, a positioning plate is provided on the top of the support frame, one end of the guide rod is detachably connected to the positioning plate by a second screw, the other end of the guide rod can pass through the connecting plate and connect with the transition plate, the connecting plate is provided with a copper sleeve, the guide rod can be inserted into the copper sleeve and form a clearance fit with the copper sleeve.
6. A novel injection and transfer structure according to claim 5, characterized in that: There are four guide rods, the other ends of the four guide rods are respectively connected to the four corners of the positioning plate, and the other ends are respectively connected to the four corners of the transition plate, and the connecting plate is connected to the four guide rods at the same time.
7. A novel injection whole-shift structure according to claim 1, characterized in that: It also includes a first connecting piece, through which the piston rod of the main moving oil cylinder is hinged to the middle part of the connecting plate and can rotate in the up and down directions.
8. A novel injection and transfer structure according to claim 7, characterized in that: The first connecting member includes a piston joint, a first hinge seat and a first seat pin. The piston rod of the main shift cylinder can be inserted into the piston joint. The first hinge seat is detachably fixed to the middle part of the connecting plate by a third screw. One end of the piston joint can be inserted into the first hinge seat and can be rotatably connected to the first hinge seat by the first seat pin.
9. The novel injection whole-movement structure according to claim 1 is characterized in that: It also includes a second connecting piece, and one end of the main moving oil cylinder away from the connecting plate is hinged to the injection device through the second connecting piece and can rotate in the left and right directions.
10. A novel injection whole-shift structure according to claim 9, characterized in that: The second connecting member includes a second hinge seat and a second seat pin. The second hinge seat is detachably fixed to the middle part of the injection device by a fourth screw. The end of the main moving cylinder away from the connecting plate can be inserted into the second hinge seat and can be rotatably connected to the second hinge seat by the second seat pin.