Forklift casting in-mold trimming forming device
By designing the inner edge cutting forming device of forklift casting mold, the edge cutting assembly driven by hydraulic push rods and servo motors can be used to directly complete the edge cutting processing in the mold, which solves the problem of cumbersome and inefficient processing of forklift castings in the existing technology, and improves the problem of numbness and inefficiency of forklift castings in the existing technology. Production efficiency and product quality.
Patent Information
- Application Number
- CN202421039576.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-14
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-05-14
AI Technical Summary
In the prior art, after cooling and forming forklift castings, due to the connection problem between the runner and the mold groove, the product surface forms protrusions, and secondary processing is required to ensure the size and shape. The process is cumbersome and easy to damage, and the efficiency is inefficient. .
Design a forklift casting mold inner edge forming device, including upper and lower mold driven by hydraulic push rod and built-in edge cutting assembly. The edge cutting knife is accurately controlled by servo motor and bidirectional screw to perform edge cutting processing, and the edge cutting is directly completed in the mold. , avoid subsequent manual operations.
It realizes rapid mold clamping and demolding, improves production efficiency, and completes edge cutting directly in the mold, avoids errors, improves product accuracy and quality, and reduces the time of secondary processing and the risk of manual operation.
Smart Images
Figure CN222470691U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of forklift castings, and in particular to an in-mold trimming and forming device for forklift castings. Background Art
[0002] Forklift castings refer to forklift accessories manufactured through a casting process. These castings play a key role in the structure of the forklift and directly affect the performance and service life of the forklift. These products are generally made by mold processing. The staff will mix the main material with other materials and melt them, then send them into the mold and take them out after cooling and forming.
[0003] In the prior art, after the product is taken out after being cooled and formed, it is sent into the mold groove through the pipeline and the runner during the process of being sent into the mold. At this time, due to the connectivity between the runner and the mold groove, when the product is cooled, a bulge will be formed on its surface. At this time, it will be subjected to secondary processing to ensure the size and shape of the product. However, this method is too cumbersome. During the processing, the processing of the product is completely performed manually, which can easily cause damage to the product. At the same time, the secondary processing step consumes too much time, which will result in a decrease in efficiency. Utility Model Content
[0004] The utility model aims to provide a forklift casting in-mold trimming and forming device to solve the problem that during the processing, the processing of the product is completely operated manually, which is easy to cause damage to the product, and the secondary processing step consumes too much time, which will cause a decrease in efficiency.
[0005] The utility model provides the following technical scheme: a forklift casting in-mold trimming and forming device, comprising a base, the upper top end of the base is symmetrically fixedly connected to a plurality of support rods, the upper top ends of the support rods are fixedly connected to a top plate, the upper top end of the top plate is symmetrically fixedly connected to a hydraulic push rod, the telescopic end of the hydraulic push rod is fixedly connected to a middle plate, the middle plate is slidably connected to the outer wall of the support rods, the lower bottom end of the middle plate is fixedly connected to an upper mold, and a trimming component for material trimming is arranged inside the upper mold.
[0006] By adopting the above scheme, the hydraulic push rod can quickly push the middle plate and the upper mold to move up and down, realize rapid mold closing and demolding, thereby improving production efficiency. The trimming component is arranged inside the upper mold, and the trimming process can be completed directly inside the mold, avoiding possible errors in the post-processing process and improving the accuracy and quality of the product.
[0007] As a preferred embodiment of the above technical solution, the trimming assembly includes a servo motor fixedly connected to the inner wall of the upper mold, the output end of the servo motor is fixedly connected to a bidirectional screw, the outer wall of the bidirectional screw is threadedly connected to a plurality of first movable brackets, the interior of the upper mold is slidably connected to a fixed plate, the lower bottom end of the fixed plate is symmetrically fixedly connected to a trimming knife, the upper top end of the fixed plate is symmetrically fixedly connected to a plurality of fixed brackets, and an auxiliary rod is rotatably connected to the lower bottom end of the first movable bracket and the upper top end of the fixed bracket.
[0008] By adopting the above scheme, the servo motor can accurately control the rotation of the bidirectional screw during use, so as to achieve the purpose of adjusting the activities. When moving between activities, the fixed bracket and the fixed plate can be pushed by the thrust of the auxiliary rod, so that the fixed plate can move down, and the trimming of the product can be achieved through the trimming knife.
[0009] As a preferred embodiment of the above technical solution, the interior of the upper mold is fixedly connected with a guide rod for preventing the fixed plate from deviating, the fixed plate is slidably connected to the outer wall of the guide rod, the outer side wall of the upper mold is fixedly connected with an injection tube, and a flow channel is opened inside the upper mold below the trimming assembly, and the flow channel is communicated with the injection tube.
[0010] By adopting the above scheme, the guide rod fixedly connected inside the upper mold can ensure that the fixed plate remains stable during the movement and prevent it from shifting during the cutting process. The injection tube is connected to the runner, and the molten material can be directly fed into the runner. When the material cools and hardens, the product can be directly separated from the material in the runner by the trimming knife, thereby completing the trimming.
[0011] As a preferred embodiment of the above technical solution, a load-bearing rod is fixedly connected to the interior of the upper mold at a symmetrical position with the bidirectional screw rod, and a second movable bracket is movably connected to the outer wall of the load-bearing rod. An auxiliary rod is also arranged at the interval between the second movable bracket and the fixed bracket.
[0012] By adopting the above solution, the fixing plate can be provided with more stable operation during use, and the symmetrical arrangement can further improve the stability of the fixing plate.
[0013] As a preferred embodiment of the above technical solution, the upper top of the base is fixedly connected to a lower mold, and the lower mold and the upper mold are combined to form a plurality of mold grooves, and the flow channel is connected to the plurality of mold grooves, and an ejection structure for auxiliary material discharge is arranged inside the lower mold.
[0014] By adopting the above scheme, the setting of multiple mold grooves can process multiple products at the same time, and the smelted material can be directly fed into the interior of the mold groove through the runner to complete the processing of the product, and when the product is completely cooled, the product can be ejected through the ejection structure to facilitate collection by the staff.
[0015] As a preferred embodiment of the above technical solution, the ejection structure includes an electric push rod symmetrically fixedly connected to the bottom end of the lower mold, the telescopic end of the electric push rod is fixedly connected to a lifting plate, and the upper top of the lifting plate is fixedly connected to a plurality of lifting rods.
[0016] By adopting the above scheme, the ejection structure can eject the material in the form of an electric push rod after the material is cooled and formed, so that the staff can collect it quickly. The symmetrical setting can increase stability and balance during the ejection process and reduce mold damage caused by uneven force.
[0017] As a preferred embodiment of the above technical solution, the end of the lifting rod is located at the inner bottom end of the mold groove.
[0018] Compared with the prior art, the beneficial effects of the utility model are:
[0019] In the utility model, by providing a trimming assembly, during the use process, when the material inside the mold groove gradually cools down and produces corresponding hardness, the trimming assembly can be used to cut off the material at the injection channel where the material is connected with the finished product, and then the trimming assembly is moved upward. At this time, the finished product is completely separated from the material at the injection channel, and the finished product is taken out after it is completely cooled. In this way, the purpose of trimming is achieved, the step of re-trimming after taking out is reduced, and the processing efficiency is improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a schematic diagram of the structure of a forklift casting in-mold trimming molding device;
[0021] Figure 2 It is a schematic diagram of the partial split structure of the upper mold and the lower mold in a forklift casting mold trimming molding device;
[0022] Figure 3 It is a schematic diagram of the partial split structure of the lower mold in a forklift casting in-mold trimming molding device;
[0023] Figure 4 The present invention is a schematic diagram of the structure of a trimming assembly in a trimming molding device for a forklift casting.
[0024] In the figure: 1. base; 11. support rod; 12. middle plate; 13. top plate; 14. hydraulic push rod; 2. upper mold; 21. injection pipe; 22. runner; 23. guide rod; 3. lower mold; 31. electric push rod; 32. lifting plate; 33. lifting rod; 34. mold groove; 4. servo motor; 41. bidirectional screw; 42. first movable bracket; 43. auxiliary rod; 44. fixed bracket; 45. second movable bracket; 46. load-bearing rod; 5. fixed plate; 51. trimming knife. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention. Example 1
[0026] like Figure 1 and Figure 2 As shown, the utility model provides a technical solution: a forklift casting in-mold trimming forming device, including a base 1, the upper top of the base 1 is symmetrically fixedly connected with a plurality of support rods 11, the upper top of the support rods 11 is fixedly connected with a top plate 13, the upper top of the top plate 13 is symmetrically fixedly connected with a hydraulic push rod 14, the telescopic end of the hydraulic push rod 14 is fixedly connected with a middle plate 12, the middle plate 12 is slidably connected to the outer wall of the support rods 11 so as to play a guiding role, the lower bottom end of the middle plate 12 is fixedly connected with an upper mold 2 so that the hydraulic push rod 14 can drive the upper mold 2 to move up and down, and the interior of the upper mold 2 is provided with a trimming component for trimming the material.
[0027] like Figure 2 and Figure 4 As shown, the trimming assembly includes a servo motor 4 fixedly connected to the inner wall of the upper mold 2, the output end of the servo motor 4 is fixedly connected to a bidirectional screw 41, the outer wall of the bidirectional screw 41 is threadedly connected to a plurality of first movable brackets 42, so that when the bidirectional screw 41 rotates, the two first movable brackets 42 will rotate relative to each other, the interior of the upper mold 2 is slidably connected to a fixed plate 5, the lower bottom end of the fixed plate 5 is symmetrically fixedly connected to a trimming knife 51, the upper top end of the fixed plate 5 is symmetrically fixedly connected to a plurality of fixed brackets 44, and the lower bottom end of the first movable bracket 42 and the upper top end of the fixed bracket 44 are rotatably connected to an auxiliary rod 43, so that when the first movable bracket 42 moves, pressure can be applied to the fixed plate 5 through the auxiliary rod 43, so that the trimming 51 can work.
[0028] like Figure 1 , Figure 2 and Figure 4As shown, the interior of the upper mold 2 is fixedly connected with a guide rod 23 for preventing the fixed plate 5 from deflecting, and the fixed plate 5 is slidably connected to the outer wall of the guide rod 23 to further increase its stability. The outer wall of the upper mold 2 is fixedly connected with an injection tube 21, and a flow channel 22 is provided inside the upper mold 2 below the trimming assembly, and the flow channel 22 is communicated with the injection tube 21, so that when in use, the injection tube 21 can directly feed the smelted material into the flow channel 22, and the interior of the upper mold 2 is fixedly connected with a load-bearing rod 46 at a symmetrical position with the bidirectional screw 41, and the outer wall of the load-bearing rod 46 is movably connected with a second movable bracket 45, and an auxiliary rod 43 is also provided at the interval between the second movable bracket 45 and the fixed bracket 44 to further increase the stability of the fixed plate 5, and the upper top of the base 1 is fixedly connected with the lower mold 3, and the lower mold 3 and the upper mold 2 are combined to form a plurality of mold grooves 34, and the flow channel 22 is communicated with a plurality of mold grooves 34, and the interior of the lower mold 3 is provided with an ejection structure for auxiliary material discharge.
[0029] like Figure 2 and Figure 3 As shown, the ejection structure includes an electric push rod 31 symmetrically fixedly connected to the inner bottom end of the lower mold 3, the telescopic end of the electric push rod 31 is fixedly connected to a lifting plate 32, the upper top of the lifting plate 32 is fixedly connected to a plurality of lifting rods 33, and the end of the lifting rod 33 is located at the inner bottom end of the mold groove 34.
[0030] Working principle: During use, the telescopic end of the hydraulic push rod 14 drives the middle plate 12 to move downward, so that the lower end surface of the upper mold 2 can contact the upper end surface of the lower mold 3, and then the liquid material is respectively sent into a plurality of mold grooves 34 through the injection pipe 21 and the flow channel 22. When the material inside the mold groove 34 gradually cools down and has a certain hardness, the staff can start the trimming assembly to perform trimming processing on it. The working end of the servo motor 4 drives the bidirectional screw 41 to rotate, and the two first movable brackets 42 located on the bidirectional screw 41 will move synchronously. At this time, the first The movement of the movable bracket 42 will apply downward pressure to the fixed plate 5 through the auxiliary rod 43 and the fixed bracket 44, and the fixed plate 5 will drive the trimming knife 51 to move downward under the influence of pressure. Since the bottom of the trimming knife 51 is at the edge of the mold groove 34, when the trimming knife 51 moves downward, it can accurately trim the material inside the mold groove 34 and completely separate the finished product from the material at the injection channel. When the finished product is completely cooled, it will be taken out through the ejection structure. In this way, the purpose of trimming is achieved, the step of re-trimming after taking out is reduced, and the processing efficiency is improved.
[0031] The above embodiments are only used to illustrate the technical solution of the present invention, but not to limit it.
Claims
1. A forklift casting in-mold trimming device, comprising a base (1), characterized in that: The upper top of the base (1) is symmetrically fixedly connected to a plurality of support rods (11), the upper top of the support rods (11) is fixedly connected to a top plate (13), the upper top of the top plate (13) is symmetrically fixedly connected to a hydraulic push rod (14), the telescopic end of the hydraulic push rod (14) is fixedly connected to a middle plate (12), the middle plate (12) is slidably connected to the outer wall of the support rods (11), the lower bottom of the middle plate (12) is fixedly connected to an upper mold (2), and a trimming component for trimming the material is arranged inside the upper mold (2).
2. The forklift casting in-mold trimming molding device according to claim 1, characterized in that: The trimming assembly comprises a servo motor (4) fixedly connected to the inner wall of the upper mold (2); the output end of the servo motor (4) is fixedly connected to a bidirectional screw rod (41); the outer wall of the bidirectional screw rod (41) is threadedly connected to a plurality of first movable brackets (42); a fixed plate (5) is slidably connected to the interior of the upper mold (2); a trimming knife (51) is symmetrically fixedly connected to the lower bottom end of the fixed plate (5); a plurality of fixed brackets (44) are symmetrically fixedly connected to the upper top end of the fixed plate (5); and an auxiliary rod (43) is rotatably connected to the lower bottom end of the first movable bracket (42) and the upper top end of the fixed bracket (44) at a distance therebetween.
3. The forklift casting in-mold trimming molding device according to claim 1, characterized in that: A guide rod (23) is fixedly connected to the interior of the upper mold (2) for preventing the fixed plate (5) from deflecting; the fixed plate (5) is slidably connected to the outer wall of the guide rod (23); an injection pipe (21) is fixedly connected to the outer wall of the upper mold (2); a flow channel (22) is provided inside the upper mold (2) below the trimming assembly, and the flow channel (22) is communicated with the injection pipe (21).
4. The forklift casting in-mold trimming molding device according to claim 2, characterized in that: A load-bearing rod (46) is fixedly connected to the interior of the upper mold (2) at a position symmetrical to the bidirectional screw rod (41), and a second movable bracket (45) is movably connected to the outer wall of the load-bearing rod (46). An auxiliary rod (43) is also provided at the interval between the second movable bracket (45) and the fixed bracket (44).
5. The forklift casting in-mold trimming molding device according to claim 3, characterized in that: The upper top of the base (1) is fixedly connected to a lower mold (3), and the lower mold (3) and the upper mold (2) are combined to form a plurality of mold grooves (34), and the flow channel (22) is in communication with the plurality of mold grooves (34), and an ejection structure for auxiliary material discharge is provided inside the lower mold (3).
6. The forklift casting in-mold trimming molding device according to claim 5, characterized in that: The ejection structure comprises an electric push rod (31) symmetrically fixedly connected to the inner bottom end of the lower mold (3), the telescopic end of the electric push rod (31) is fixedly connected to a lifting plate (32), and the upper top of the lifting plate (32) is fixedly connected to a plurality of lifting rods (33).
7. The forklift casting in-mold trimming molding device according to claim 6, characterized in that: The end of the lifting rod (33) is located at the inner bottom end of the mold groove (34).