Die-casting bottom shell trimming mechanism
The die-cast bottom shell trimming mechanism, which combines a support component and a vacuum cleaner, solves the problems of insufficient contact between the grinding disc and the workpiece and difficulty in cleaning up waste chips, thus achieving high-precision trimming and efficient waste chip cleaning.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-02
- Publication Date
- 2026-03-20
AI Technical Summary
When using traditional die-casting bottom shell trimming devices, the grinding discs do not make sufficient contact with the workpiece, and the waste inside the workpiece is difficult to handle, which affects the trimming accuracy and cleaning efficiency.
A die-cast bottom shell trimming mechanism is adopted, which uses a hanging rod and an electric telescopic rod to support the upper end of the oil pan, performs precise grinding through a trimming robotic arm, and uses a vacuum cleaner to clean internal debris. Dynamic adjustment is achieved by combining a servo motor and a threaded rod drive.
Ensure that the grinding disc makes full contact with the oil pan, improve the trimming accuracy, effectively clean internal debris, and enhance processing quality and efficiency.
Smart Images
Figure CN224011863U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to die casting processing technical field especially relates to a die casting bottom shell trimming mechanism. BACKGROUND
[0002] Die casting oil sump as the key component in engine system, it is mainly used for storing lubricating oil and sealing engine bottom, its structure usually has the asymmetric characteristic, it is performance for the special-shaped cavity of one end depth is larger, the other end is shallow. This kind of part exists burr, flash and overflow and other defects after die casting, need to be fine handled through trimming process, to ensure assembly accuracy and sealing performance.
[0003] However, due to the special-shaped structure characteristics of oil sump, especially the significant volume difference of both ends, the conventional trimming equipment generally adopts general mechanical arm or fixed clamp to trim the oil sump during the machining process. However, such equipment is prone to cause workpiece shaking during trimming process due to the gravity deviation caused by the volume difference of both ends of the oil sump, which may cause insufficient contact between the polishing piece and the workpiece, thereby affecting the trimming accuracy. On the other hand, the existing support structure is rigidly fixed, which is difficult to adapt to the special-shaped profile of the oil sump, and cannot dynamically adjust the both ends of the workpiece. Moreover, the metal scraps generated during the trimming process are easily left in the inner cavity of the oil sump. The conventional dust collection device is difficult to cover the complex cavity due to the fixed position, resulting in low waste cleaning efficiency and may affect the quality of subsequent processes. Therefore, we propose a die casting bottom shell trimming mechanism. SUMMARY
[0004] The utility model mainly solves the technical problem existing in the prior art, provides a kind of die casting bottom shell trimming mechanism, solves the problem that the polishing piece and workpiece are insufficient in contact and the waste in the workpiece is difficult to handle when the conventional die casting bottom shell trimming device is used.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme, a kind of die casting bottom shell trimming mechanism, including workbench, the upper surface of the workbench is fixedly installed with shell, the inside of shell is provided with trimming mechanical arm, the outer wall of shell is rotatably installed with protective door, the upper surface of workbench is slidably installed with movable table, the upper surface of movable table is placed with oil sump, and the upper surface of movable table is fixedly installed with convex rib below one end of oil sump, the upper surface of movable table is also provided with support assembly near convex rib, the top of shell is slidably installed with traction assembly above oil sump, the inner wall of shell is fixedly installed with first connecting seat near support assembly, and dust collector is movably installed on first connecting seat.
[0006] Preferably, the supporting assembly comprises a second connecting seat fixedly installed on the upper surface of the movable table, a second electric telescopic rod is rotatably installed in the second connecting seat, and the tail end of the second electric telescopic rod is abuttingly connected to the upper end of the outer wall of the oil pan.
[0007] Preferably, the traction assembly comprises a sliding seat slidingly installed at the upper end of the inner wall of the shell, a third electric telescopic rod is fixedly installed on the bottom surface of the sliding seat, a hanging rod is fixedly installed on the output end of the third electric telescopic rod, and the lower end of the hanging rod is matched with the upper end of the oil pan.
[0008] Preferably, a threaded rod is rotatably installed at the upper end of the inner wall of the shell, a first servo motor is fixedly installed at the corresponding position of the tail end of the threaded rod, the output end of the first servo motor is fixedly connected to the tail end of the threaded rod, the sliding seat is threadedly connected to the threaded rod, limiting rods are arranged at the two ends of the sliding seat, the two ends of the limiting rods are fixedly connected to the inner wall of the shell, and the sliding seat is slidingly connected to the limiting rods.
[0009] Preferably, a first electric telescopic rod is rotatably installed in the first connecting seat, and the dust collector is arranged at the output end of the first electric telescopic rod.
[0010] Preferably, two sliding rails are formed in the upper surface of the workbench, and a roller rotatably installed on the bottom surface of the movable table is matched with the sliding rails. Beneficial effects
[0011] The utility model provides a die casting bottom shell trimming mechanism. Has the following beneficial effects:
[0012] (1) the die casting bottom shell trimming mechanism, through the hanging rod and the second electric telescopic rod can support the outward protruding edge of the upper end of the oil pan, facilitate the polishing piece contained in the trimming mechanical arm and the trimming and polishing machining of the upper end surface edge of the oil pan, avoid the uneven stress of the oil pan due to the different volumes of the two ends in the process of polishing the oil pan by the trimming mechanical arm, influence the trimming effect of the oil pan.
[0013] (2) the die casting bottom shell trimming mechanism, under the action of the hanging rod, the end of the oil pan body with smaller volume is lifted, so that the oil pan as a whole is in an inclined state, then the waste generated in the trimming process of the oil pan inside slides along the inner surface of the oil pan and is concentrated to the lower end of the oil pan, and the dust collector is used for cleaning the waste generated in the trimming process of the oil pan inside. BRIEF DESCRIPTION OF DRAWINGS
[0014] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only exemplary, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative labor.
[0015] The structures, proportions, sizes, etc. shown in the specification are only used to cooperate with the content disclosed in the specification, so that those skilled in the art can understand and read, and are not used to limit the limiting conditions that can be implemented by the present application, so they do not have technical significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the effects and purposes that can be achieved by the present application, should still fall within the scope of the technical content disclosed by the present application.
[0016] Figure 1 The structure of the oil sump of the present application is shown in the figure;
[0017] Figure 2 The overall structure of the present application is shown in the figure;
[0018] Figure 3 The internal structure of the shell of the present application is shown in the figure;
[0019] Figure 4 The movable table structure of the present application is shown in the figure;
[0020] Figure 5 Another state structure of the oil sump of the present application is shown in the figure.
[0021] Legend: 1, shell; 2, protective door; 3, workbench; 4, slide rail; 5, first servo motor; 6, movable table; 7, trimming mechanical arm; 8, convex rib; 9, oil sump; 10, threaded rod; 11, first connecting seat; 12, first electric telescopic rod; 13, dust collector; 14, second connecting seat; 15, second electric telescopic rod; 16, third electric telescopic rod; 17, hanging rod; 18, sliding seat; 19, limiting rod. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0023] As Figures 1-5As shown in the figure, a die casting bottom shell trimming mechanism, including a workbench 3, the upper surface of the workbench 3 is fixedly installed with a shell 1, the inside of the shell 1 is provided with a trimming mechanical arm 7 (it needs to be explained that the driving end of the trimming mechanical arm 7 is installed with a motor, the driving end of the motor is installed with a trimming polishing disc, the trimming mechanical arm 7 belongs to a kind of mechanical hand, can let trimming mechanical arm 7 drive motor and trimming polishing disc move along the edge of die casting bottom shell according to the set program, and in the moving process, the edge of trimming polishing disc is always in contact with the surface of the part of die casting bottom shell needing trimming, so as to realize the effect of trimming die casting bottom shell), the outer wall of shell 1 is rotatably installed with a protective door 2, the upper surface of workbench 3 is slidably installed with a movable table 6, the upper surface of movable table 6 is placed with an oil pan 9, and the upper surface of movable table 6 is fixedly installed with a convex rib 8 below one end of oil pan 9, the upper surface of one end of movable table 6 close to convex rib 8 is also provided with a supporting assembly, the top of shell 1 is slidably installed with a traction assembly above oil pan 9, the inner wall of shell 1 close to supporting assembly is fixedly installed with a first connecting seat 11, and the first connecting seat 11 is movably installed with a dust collector 13;
[0024] The movable table 6 is dragged out from the inside of the shell 1, and then the oil pan 9 is placed on the upper surface of the movable table 6. The depth of one end of the oil pan 9 is greater than that of the other end. The user places the end of the oil pan 9 with larger volume on the upper surface of the movable table 6 along the positioning convex rib 8 fixedly installed on the upper surface of the movable table 6. The two ends of the oil pan 9 can be supported through the cooperation of the supporting assembly and the traction assembly, so as to avoid the shaking of the oil pan 9 during the trimming process of the trimming mechanical arm 7, thereby ensuring that the polishing disc in the trimming mechanical arm 7 is in full contact with the edge of the oil pan 9. The oil pan 9 can be adjusted to an inclined state through the traction assembly, so as to facilitate the movable dust collector 13 to clean the debris generated inside the oil pan 9 during trimming.
[0025] As shown in the figure, Figure 3 The supporting assembly includes a second connecting seat 14 fixedly installed on the upper surface of the movable table 6, a second electric telescopic rod 15 rotatably installed in the second connecting seat 14, and the outer wall upper end of the oil pan 9 abuts against the end of the second electric telescopic rod 15.
[0026] As shown in the figure, Figure 5As shown, the traction assembly includes a sliding seat 18 slidingly mounted inside the upper end of the shell 1, and a third electric telescopic rod 16 fixedly mounted on the bottom surface of the sliding seat 18, and a hanging rod 17 fixedly mounted on the output end of the third electric telescopic rod 16, and the lower end of the hanging rod 17 is matched with the upper end of the oil pan 9; the structure of the hanging rod 17 is L-shaped, and the lower end of the hanging rod 17 can support the lower end of the outwardly protruding edge of the upper end of the oil pan 9, so as to avoid the polishing sheet on the trimming mechanical arm 7 from shaking due to the different volumes of the two ends of the oil pan 9 during polishing, thereby affecting the trimming effect of the oil pan 9.
[0027] As shown in Figure 3 , a threaded rod 10 is rotatably mounted at the upper end inside the shell 1, a first servo motor 5 is fixedly mounted on the outer wall of the shell 1 at a position corresponding to the end of the threaded rod 10, the output end of the first servo motor 5 is fixedly connected with the end of the threaded rod 10, the sliding seat 18 is threadedly connected with the threaded rod 10, and limiting rods 19 are provided at both ends of the sliding seat 18, the ends of the limiting rods 19 are fixedly connected with the inner wall of the shell 1, and the sliding seat 18 is slidingly connected with the limiting rods 19; the threaded rod 10 is driven to rotate by the first servo motor 5, and the sliding seat 18 is limited by the limiting rods 19, and the threaded rod 10 drives the sliding seat 18 to move along the threaded rod 10 through threaded transmission when rotating.
[0028] As shown in Figure 3 , a first electric telescopic rod 12 is rotatably connected inside the first connecting seat 11, and a dust collector 13 is arranged at the output end of the first electric telescopic rod 12; the position of the dust collector 13 is adjusted by rotating and telescoping the first electric telescopic rod 12, so that the dust collector 13 can collect the waste inside the oil pan 9.
[0029] As shown in Figure 3 , two slide rails 4 are formed on the upper surface of the workbench 3, and rollers are rotatably mounted on the bottom surface of the movable table 6 and used in cooperation with the slide rails 4; the rollers arranged on the bottom surface of the movable table 6 roll inside the slide rails 4, so as to convert the sliding friction between the bottom surface of the movable table 6 and the upper surface of the shell 1 into rolling friction, thereby facilitating the movement of the movable table 6 on the upper surface of the shell 1.
[0030] The utility model discloses a working principle: when using, the movable platform 6 is dragged out from the inside of shell 1 to outside, then oil sump 9 is placed on movable platform 6 upper surface, and the depth of one end of oil sump 9 is greater than the other end, and the user places the one end of oil sump 9 of larger volume along the fixed installation of positioning convex rib 8 on movable platform 6 upper surface, and the second connecting seat 14 and the first connecting seat 11 outer wall fixed mounting of movable platform 6 upper surface and shell 1 one side inner wall fixed installation all have the second servo motor, and the second servo motor drives second electric telescopic link 15 and first electric telescopic link 12 rotation, wherein when movable platform 6 removes to the inside of shell 1 again, the angle of second electric telescopic link 15 is adjusted through the second servo motor, and the length of second electric telescopic link 15 is stretched and can be supported on the lower side of the upper end surface edge of the one end of oil sump 9 of larger volume, simultaneously, through the first servo motor 5 drive screw rod 10 rotation, the sliding seat 18 is driven along screw rod 10 under the action of screw thread transmission between screw rod 10 and sliding seat 18, simultaneously, the L-shaped hanger bar 17 end setting below sliding seat 18 can move to the lower side of the upper end surface edge of the other end of oil sump 9 of smaller volume, and the upper end of oil sump 9 is supported through hanger bar 17 and second electric telescopic link 15 outward protruding edge, and then the polishing piece contained in trimming mechanical arm 7 is convenient for trimming and polishing processing to the upper end surface edge of oil sump 9, avoid the stress uneven of oil sump 9 due to the volume difference of both ends in the process of polishing of trimming mechanical arm 7 to oil sump 9, and then influence the trimming effect of oil sump 9, when the upper end surface edge of oil sump 9 trimming and polishing are completed, the second electric telescopic link 15 is driven to rotate to horizontal through the second servo motor, and the output end of second electric telescopic link 15 is inwards retracted and does not contact with the outer wall of oil sump 9, and the sliding seat 18 is driven along screw rod 10 through the first servo motor 5, and third electric telescopic link 16 is synchronous retracted, then the one end of oil sump 9 of smaller volume can be lifted under the action of hanger bar 17, so that oil sump 9 is in the form of inclination as a whole, then the waste produced in the trimming process in the inside of oil sump 9 is along the inner surface of oil sump 9 and is concentrated to the lower end of oil sump 9, and the first electric telescopic link 12 is driven to rotate through the second servo motor setting on the outer wall of first connecting seat 11, and the first electric telescopic link 12 is retracted, and the waste produced in the trimming process in the inside of oil sump 9 can be cleaned through dust collector 13, wherein dust collector 13 is connected with the collecting box outside through pipeline, and the waste produced in the trimming process in the inside of oil sump 9 can be cleaned.
[0031] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.
Claims
1. A die-casting bottom shell trimming mechanism, comprising a worktable (3), wherein a shell (1) is fixedly installed on the upper surface of the worktable (3), a trimming robotic arm (7) is provided inside the shell (1), and a protective door (2) is rotatably installed on the outer wall of the shell (1), characterized in that: A movable platform (6) is slidably mounted on the upper surface of the workbench (3). An oil pan (9) is placed on the upper surface of the movable platform (6). A protruding rib (8) is fixedly mounted on the upper surface of the movable platform (6) below one end of the oil pan (9). A support component is also provided on the upper surface of the movable platform (6) near the protruding rib (8). A traction component is slidably mounted on the top of the outer shell (1) above the oil pan (9). A first connecting seat (11) is fixedly mounted on the inner wall of the outer shell (1) near the support component. A vacuum cleaner (13) is movably mounted on the first connecting seat (11).
2. The die-casting bottom shell trimming mechanism according to claim 1, characterized in that: The support assembly includes a second connecting seat (14) fixedly installed on the upper surface of the movable platform (6), and a second electric telescopic rod (15) is rotatably installed inside the second connecting seat (14). The end of the second electric telescopic rod (15) abuts against the upper end of the outer wall of the oil pan (9).
3. The die-casting bottom shell trimming mechanism according to claim 2, characterized in that: The traction assembly includes a sliding seat (18) that is slidably installed on the upper part of the housing (1). A third electric telescopic rod (16) is fixedly installed on the bottom surface of the sliding seat (18). A hanging rod (17) is fixedly installed on the output end of the third electric telescopic rod (16). The lower end of the hanging rod (17) is engaged with the upper end of the oil pan (9).
4. The die-casting bottom shell trimming mechanism according to claim 3, characterized in that: A threaded rod (10) is rotatably installed on the upper inner end of the outer shell (1). A first servo motor (5) is fixedly installed on the outer wall of the outer shell (1) at the corresponding position of the end of the threaded rod (10). The output end of the first servo motor (5) is fixedly connected to the end of the threaded rod (10). A sliding seat (18) is threadedly connected to the threaded rod (10). Both ends of the sliding seat (18) are provided with limiting rods (19). Both ends of the limiting rods (19) are fixedly connected to the inner wall of the outer shell (1). The sliding seat (18) is slidably connected to the limiting rods (19).
5. The die-casting bottom shell trimming mechanism according to claim 4, characterized in that: The first connecting seat (11) is rotatably connected to the first electric telescopic rod (12), and the vacuum cleaner (13) is located at the output end of the first electric telescopic rod (12).
6. The die-casting bottom shell trimming mechanism according to claim 5, characterized in that: The upper surface of the workbench (3) is provided with two slide rails (4), and the bottom surface of the movable table (6) is rotatably equipped with rollers that cooperate with the slide rails (4).