Vertical wax injection machine

Abstract

The utility model relates to a vertical wax injection machine, which belongs to the technical field of wax injection molding equipment and comprises a workbench, a stand column, a top plate, a hydraulic cylinder, a wax injection mold, a pressing plate and a wax injection head, the wax injection head is connected with a translation mechanism, the translation mechanism is connected with a lifting mechanism for driving the translation mechanism to lift, and a photoelectric sensor is further fixed on the translation mechanism. An L-shaped adjusting plate is arranged at the top of the pressing plate, a vertical plate is arranged on the side, close to the photoelectric sensor, of the adjusting plate, strip-shaped adjusting holes are formed in the horizontal section of the vertical plate and the horizontal section of the adjusting plate, no less than two adjusting locking bolts are arranged in each adjusting hole, the photoelectric sensor is connected with a controller, and the controller is connected with and controls lifting of the hydraulic cylinder. According to the utility model, the requirements of molds with different sizes and different wax injection positions are met; the wax injection head is prevented from being broken due to excessive pressing of the pressing plate; and the height of the vertical plate can be flexibly adjusted according to the specification of the mold, so that the relative position of the photoelectric sensor is adapted, and the adaptability of the equipment to different molds is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a vertical wax injection machine and belongs to the technical field of wax injection modeling equipment. BACKGROUND

[0002] In the precision casting production process, the wax injection machine is the core equipment for making wax molds. It forms the required wax mold by injecting molten wax into the mold cavity. The existing vertical wax injection machine includes a workbench, a column, a top plate, a hydraulic cylinder, a wax injection mold, a pressing plate and a wax injection head. The column is fixedly connected to the top plate and the workbench. The hydraulic cylinder is fixed on the top plate and the piston rod end is connected to the pressing plate. However, the existing vertical wax injection machine has the following disadvantages: first, the position adjustment flexibility of the wax injection head is poor, and it is mostly fixed or adjusted in a single direction, which is difficult to adapt to the wax injection needs of different size molds; second, there is no wax injection head protection mechanism, and when the wax injection mold is not placed, the pressing plate is easy to break the wax injection head after mistakenly pressing the hydraulic cylinder down switch, causing operation accidents. SUMMARY

[0003] The utility model provides a vertical wax injection machine, which solves the problems in the above background technology.

[0004] The utility model relates to a vertical wax injection machine, including workbench, column, top plate, hydraulic cylinder, wax injection mold, pressing plate and wax injection head, the wax injection head is connected with the translation mechanism of driving its horizontal movement, the translation mechanism is connected with the lifting mechanism of driving its lifting, the translation mechanism still is fixed with photoelectric sensor on, the top of pressing plate is equipped with the L type adjusting plate, the side of adjusting plate near photoelectric sensor is equipped with vertical board, all are equipped with strip adjusting hole in two adjusting holes no less than two adjusting locking bolts, photoelectric sensor is connected with controller, and the controller is connected with the lifting of controlling hydraulic cylinder.

[0005] As a preferred, the vertical plate is equipped with the U type sliding groove near the side of the adjusting plate, and the vertical section of the adjusting plate extends into the sliding groove. The cooperation of the U-shaped sliding groove and the vertical section of the adjusting plate can provide guidance for the relative movement of the adjusting plate and the vertical plate, avoid the deviation or misplacement of the two during the adjustment process, ensure the accuracy of the position of the vertical plate after adjustment, and further ensure the stability of the detection signal of the photoelectric sensor.

[0006] As a kind of preferred, the translation mechanism includes the lifting slider connected to the lifting mechanism, the lifting slider is provided with the moving guide rod that can slide left and right, the moving guide rod is fixed with the wax injection head, the other end of the moving guide rod is fixedly connected with the guide plate, the guide plate is slidably connected with the support guide rod, one end of the support guide rod is fixed with the lifting slider, the other end of the support guide rod is fixed with the mounting plate, the mounting plate is fixed with the translation cylinder, and the piston rod end of the translation cylinder is fixed with the guide plate.The translation cylinder drives the guide plate to slide along the support guide rod, and then drives the moving guide rod to move horizontally in the lifting slider, so that the horizontal position of the wax injection head is adjusted;The up and down limit of the support guide rod to the guide plate and the cooperation of the moving guide rod and the lifting slider can ensure the stability and linearity of the wax injection head translation process, and reduce the shaking.

[0007] As a kind of preferred, the lifting mechanism includes the lifting slide rail slidably installed on the lifting slider, the top of the lifting slide rail is fixed with the connecting frame, the connecting frame is fixed on the top plate, the lifting slider is threadedly connected with the lifting screw, the upper end of the lifting screw is rotatably installed on the connecting frame, and the bottom of the lifting slide rail is fixed with the workbench.When the lifting screw is rotated, the lifting slider is driven to vertically slide along the lifting slide rail through the thread cooperation, so that the height of the wax injection head is adjusted.

[0008] As a kind of preferred, the front side wall of the lifting slider is provided with the lifting sliding groove matched with the lifting slide rail, the front side wall of the lifting slider is fixed with the L-shaped limiting plate through the fixing bolt, and the limiting plate is threadedly connected with the lifting screw.The L-shaped limiting plate is stably connected with the lifting slider through the fixing bolt, and is threadedly matched with the lifting screw, so that the rotating force of the lifting screw can be stably transmitted to the lifting slider, the reliability of the lifting adjustment is ensured, and the disassembly and maintenance of the limiting plate and the lifting slide rail are facilitated.

[0009] As a kind of preferred, the outer side of the upper part of the limiting plate is provided with the open slot, the open slot is fixed with the threaded sleeve threadedly connected with the lifting screw, and the bottom of the lifting screw is fixed with the limiting nut.The limiting nut can limit the lowest descending position of the lifting slider, prevent the lifting slider from excessively descending and colliding with the workbench or other components, and play a role in protecting the equipment.The outer side of the threaded sleeve is square, the threaded sleeve is installed in the open slot, and the installation and replacement are facilitated.

[0010] As a kind of preferred, the top of the lifting screw is fixed with the rotating wheel, the top of the top plate is fixed with the support, the top of the support is fixed with the control box, the two sides of the pressing plate are fixed with the lifting guide rod symmetrical about the hydraulic cylinder, the lifting guide rod is provided with the lifting guide sleeve, the lifting guide sleeve is fixed on the top plate, and the lifting is more stable.

[0011] The utility model has the following beneficial effects:

[0012] The combination of translation and lifting mechanisms enables flexible movement of the wax injection head in both horizontal and vertical directions, meeting the needs of molds of different sizes and wax injection positions. The linkage between the photoelectric sensor and the controller can prevent the wax injection head from breaking due to excessive pressure from the pressure plate. The strip-shaped adjustment holes and adjusting locking bolts on the adjustment plate and the vertical plate can flexibly adjust the height of the vertical plate according to the mold specifications, thereby adapting to the relative position of the photoelectric sensor and improving the equipment's adaptability to different molds. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0014] Figure 2 for Figure 1 Partial structural diagram;

[0015] Figure 3 This is a schematic diagram of the top structure of the lifting slider;

[0016] Figure 4 This is a schematic diagram of the top structure of the adjusting plate and the vertical plate;

[0017] In the diagram: 1. Workbench; 2. Column; 3. Pressure plate; 4. Lifting guide rod; 5. Hydraulic cylinder; 6. Top plate; 7. Control box; 8. Bracket; 9. Connecting frame; 10. Lifting slide rail; 11. Lifting screw; 12. Vertical plate; 13. Threaded sleeve; 14. Limiting plate; 15. Supporting guide rod; 16. Translation cylinder; 17. Guide plate; 18. Limiting nut; 19. Adjusting plate; 20. Wax injection head; 21. Moving guide rod; 22. Photoelectric sensor; 23. Lifting slider; 24. Adjusting hole. Detailed Implementation

[0018] The present invention will be further described below with reference to the embodiments.

[0019] Example 1, as Figures 1 to 4 As shown, this utility model is a vertical wax injection machine, including a worktable 1, a column 2, a top plate 6, a hydraulic cylinder 5, a wax injection mold, a pressure plate 3, and a wax injection head 20. The wax injection head 20 is connected to a translation mechanism that drives its horizontal movement, and the translation mechanism is connected to a lifting mechanism that drives its lifting. A photoelectric sensor 22 is also fixed on the translation mechanism. The top of the pressure plate 3 is provided with an L-shaped adjustment plate 19. The side of the adjustment plate 19 near the photoelectric sensor 22 is provided with a vertical plate 12. The horizontal sections of the vertical plate 12 and the adjustment plate 19 are provided with strip-shaped adjustment holes 24. Each of the two adjustment holes 24 is provided with no less than two adjusting locking bolts. The photoelectric sensor 22 is connected to a controller, and the controller is connected to control the lifting of the hydraulic cylinder 5.

[0020] Before work, according to the height of the wax injection port on the wax injection mold, the height of the corresponding wax injection head 20 is adjusted by using the lifting mechanism, and according to the position of the photoelectric sensor 22, the left and right positions and the height of the vertical plate 12 are adjusted by loosening the adjusting locking bolt, and after adjustment, the adjusting locking bolt is tightened.

[0021] When working, the translation mechanism drives the wax injection head 20 to contract outward, the hydraulic cylinder 5 contracts, drives the pressing plate 3 to rise up, then the wax injection mold is placed on the workbench 1 below the pressing plate 3, and the wax injection port of the wax injection mold is inserted into the wax injection nozzle of the wax injection head 20, then the hydraulic cylinder 5 extends, drives the pressing plate 3 to descend and press the wax injection mold, and the translation mechanism drives the wax injection head 20 to extend inward, so that the wax injection nozzle of the wax injection head 20 tightly inserts into the wax injection port of the wax injection mold, then the wax injection can be carried out, after the wax injection forming cooling time is reached, the translation mechanism drives the wax injection head 20 to contract outward, the hydraulic cylinder 5 contracts, drives the pressing plate 3 to rise up, then the wax injection mold is taken out. When the wax injection mold is not placed below the pressing plate 3 and the hydraulic cylinder 5 is pressed by mistake, as the pressing plate 3 is pressed down, the vertical plate 12 follows and descends, and when it reaches the height of the photoelectric sensor 22, the photoelectric sensor 22 sends a signal to the controller, and the controller controls the hydraulic cylinder 5 to stop descending, preventing the wax injection head 20 from being broken.

[0022] In example two, on the basis of example one, the vertical plate 12 is provided with a U-shaped sliding groove on the side close to the adjusting plate 19, and the vertical section of the adjusting plate 19 extends into the sliding groove.

[0023] The translation mechanism includes a lifting sliding block 23 connected to the lifting mechanism, the lifting sliding block 23 is provided with a movable guide rod 21 that can slide left and right, the movable guide rod 21 is fixed with the wax injection head 20, the other end of the movable guide rod 21 penetrates through the lifting sliding block 23 and is fixedly connected with a guide plate 17, the guide plate 17 is slidably connected with a supporting guide rod 15 above and below, one end of the supporting guide rod 15 is fixed with the lifting sliding block 23, the other end of the supporting guide rod 15 is fixed with a mounting plate, the mounting plate is fixed with a translation cylinder 16, and the piston rod end of the translation cylinder 16 is fixed with the guide plate 17. When the translation cylinder 16 operates, it will drive the guide plate 17 to slide along the supporting guide rod 15, and drive the movable guide rod 21 to slide left and right along the inner hole of the lifting sliding block 23, and drive the wax injection head 20 to move horizontally.

[0024] The lifting mechanism includes a lifting sliding rail 10 slidably installed on the lifting sliding block 23, the top of the lifting sliding rail 10 is fixed with a connecting frame 9, the connecting frame 9 is fixed on the top plate 6, the lifting sliding block 23 is threadedly connected with a lifting screw 11, the upper end of the lifting screw 11 is rotatably installed on the connecting frame 9, and the bottom of the lifting sliding rail 10 is fixed with the workbench 1. Rotating the lifting screw 11 will drive the lifting sliding block 23 to rise and fall along the lifting sliding rail 10, thereby adjusting the height of the wax injection head 20.

[0025] The front side wall of the lifting slider 23 is provided with a lifting chute matched with the lifting slide rail 10, and the front side wall of the lifting slider 23 is fixed with an L-shaped limiting plate 14 through a fixing bolt, and the limiting plate 14 is threadedly connected with the lifting screw 11. The inner side wall of the limiting plate 14 is in contact with the outer side wall of the lifting slide rail 10, and the outer side of the limiting plate 14 limits the outer side of the lifting slide rail 10.

[0026] The outer side of the upper part of the limiting plate 14 is provided with an open slot, the open slot is fixed with a threaded sleeve 13 threadedly connected with the lifting screw 11, and the bottom of the lifting screw 11 is fixed with a limiting nut 18. The outer side of the threaded sleeve 13 is square, and the lower end of the threaded sleeve 13 is clamped into the open slot.

[0027] The top of the lifting screw 11 is fixed with a rotating wheel, the top of the top plate 6 is fixed with a support 8, the top of the support 8 is fixed with a control box 7, the top of the two sides of the pressing plate 3 is fixed with lifting guide rods 4 symmetrical about the hydraulic cylinder 5, the lifting guide rods 4 are provided with lifting guide sleeves, and the lifting guide sleeves are fixed on the top plate 6. The top of the top plate 6 is provided with a positioning groove matched with the bottom of the support 8.

[0028] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

[0029] In the description of the present application, the terms "inner", "outer", "longitudinal", "transverse", "upper", "lower", "top", "bottom" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and do not require the present application to be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the present application.

Claims

1. A vertical wax injection machine, comprising a worktable (1), a column (2), a top plate (6), a hydraulic cylinder (5), a wax injection mold, a pressure plate (3), and a wax injection head (20), characterized in that: The wax injection head (20) is connected to a translation mechanism that drives its horizontal movement. The translation mechanism is connected to a lifting mechanism that drives its lifting. A photoelectric sensor (22) is also fixed on the translation mechanism. An L-shaped adjustment plate (19) is provided on the top of the pressure plate (3). A vertical plate (12) is provided on the side of the adjustment plate (19) near the photoelectric sensor (22). A strip-shaped adjustment hole (24) is provided on the horizontal section of both the vertical plate (12) and the adjustment plate (19). At least two adjustment locking bolts are provided in each of the two adjustment holes (24). The photoelectric sensor (22) is connected to a controller. The controller is connected to control the lifting of the hydraulic cylinder (5).

2. A vertical wax injection machine according to claim 1, characterized in that: The vertical plate (12) has a U-shaped groove on the side near the adjusting plate (19), and the vertical section of the adjusting plate (19) extends into the groove.

3. A vertical wax injection machine according to claim 1, characterized in that: The translation mechanism includes a lifting slider (23) connected to the lifting mechanism. The lifting slider (23) is provided with a movable guide rod (21) that can slide left and right. The movable guide rod (21) is fixed to the wax injection head (20). The other end of the movable guide rod (21) passes through the lifting slider (23) and is fixedly connected to a guide plate (17). The guide plate (17) is slidably connected to a support guide rod (15) both up and down. One end of the support guide rod (15) is fixed to the lifting slider (23), and the other end of the support guide rod (15) is fixed to a mounting plate. A translation cylinder (16) is fixed on the mounting plate. The piston rod end of the translation cylinder (16) is fixed to the guide plate (17).

4. A vertical wax injection machine according to claim 3, characterized in that: The lifting mechanism includes a lifting slide rail (10) that is slidably mounted on the lifting slider (23). A connecting frame (9) is fixed to the top of the lifting slide rail (10). The connecting frame (9) is fixed to the top plate (6). The lifting slider (23) is threadedly connected to a lifting screw (11). The upper end of the lifting screw (11) is rotatably mounted on the connecting frame (9). The bottom of the lifting slide rail (10) is fixed to the worktable (1).

5. A vertical wax injection machine according to claim 4, characterized in that: The front side wall of the lifting slider (23) is provided with a lifting groove that cooperates with the lifting slide rail (10). An L-shaped limiting plate (14) is fixed on the front side wall of the lifting slider (23) by fixing bolts. The limiting plate (14) is threadedly connected to the lifting screw (11).

6. A vertical wax injection machine according to claim 5, characterized in that: The upper outer side of the limiting plate (14) is provided with an opening groove, and a threaded sleeve (13) for threaded connection of the lifting screw (11) is fixed in the opening groove. The bottom of the lifting screw (11) is fixed with a limiting nut (18).

7. A vertical wax injection machine according to claim 4, characterized in that: A rotating wheel is fixed to the top of the lifting screw (11), a bracket (8) is fixed to the top of the top plate (6), a control box (7) is fixed to the top of the bracket (8), and lifting guide rods (4) symmetrical about the hydraulic cylinder (5) are fixed to the top of both sides of the clamping plate (3). Lifting guide sleeves are provided on the lifting guide rods (4), and the lifting guide sleeves are fixed on the top plate (6).

Images