Lost foam casting device for coal mine pin rail
By designing the disappearing mold casting device for coal mine pin rails, and using the combination of mounted horizontal plates and V-shaped lifting parts, the problem of mold dumping and difficulty in removing in batch disappearing mold casting is solved, stable support and automatic lifting are achieved, and the output is reduced Material difficulty.
Patent Information
- Application Number
- CN202421123420.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-22
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-05-22
AI Technical Summary
During batch disappearance mold casting, dry quartz sand breaks off easily leads to the mold dumping and the mold is difficult to remove from the box.
A disappearing mold casting device for coal mine pin rails is designed, including a casting box, a disappearing mold main body, a mounting cross plate, a driving screw and a V-shaped support. By setting up a combination of cross plates and lifting members, stable support and automatic lifting of the disappearing mold body are achieved, reducing the difficulty of discharge.
The device can maintain the stable position of the disappearing mold body during the sand drop process, simplify the discharge process, and improve the stability and ease of the mold.
Smart Images
Figure CN222448132U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lost foam, in particular to a lost foam casting device for coal mine pin rails. Background Art
[0002] Lost foam casting (also known as full-mold casting) is a new casting method that uses a foam plastic mold with binder-free dry sand combined with vacuum technology. It is a foam model with a similar size and shape to the casting that is bonded into a model cluster, painted with refractory paint and dried, buried in dry quartz sand for vibration molding, and poured under negative pressure to vaporize the model. The liquid metal occupies the position of the model, and the casting is formed after solidification and cooling. The pin rail serves as the track for the coal mining machine to travel, and it bears the traction transmitted by the traction motor of the coal mining machine. The pin rail can be produced by lost foam casting.
[0003] For batch lost foam casting, generally multiple groups of foam models are placed in a dry quartz sand box. After casting, the quartz sand is discharged by falling to expose the mold. During this process, the detachment of dry quartz sand can easily cause the mold to tip over, and it will also make it difficult to remove the mold from the box. Utility Model Content
[0004] In view of the deficiencies in the prior art, the utility model provides a lost foam casting device for a coal mine pin rail, which solves the problems mentioned in the above background.
[0005] The utility model provides the following technical solution: comprising: a casting box and a lost foam body arranged above the casting box,
[0006] Also includes:
[0007] A horizontal plate is installed in the cavity of the casting box, and connecting rods are fixed at both ends of the horizontal plate;
[0008] A driving screw is installed outside the casting box, a motor is arranged at the bottom of the driving screw, and one end of the connecting rod is connected to the outside of the driving screw;
[0009] A horizontal plate slot is provided on the surface of the horizontal plate, and a positioning rod is inserted into the slot of the horizontal plate slot;
[0010] The lifting piece is fixedly arranged at one end of the positioning rod, and the lifting piece adopts a V-shaped structure.
[0011] Furthermore, a sliding rod is provided on one side of the driving screw rod, and the bottom of the connecting rod is slidably sleeved with the sliding rod.
[0012] Furthermore, a sliding groove is provided on the inner wall of the driving screw rod, and a stabilizing support rod is fixedly provided on the side wall of the connecting support rod.
[0013] Furthermore, a supporting block is fixedly provided on the inner wall of the supporting member, and the top of the supporting block adopts a flat design.
[0014] Furthermore, the support blocks are distributed along the inclined surface of the lifting piece at intervals, and the bottom of the lost foam body is in contact with the upper end plane of the support blocks.
[0015] Furthermore, the transverse plate slots are distributed at lateral intervals along the surface on which the transverse plate is mounted, and the transverse plate slots are arranged in two rows.
[0016] Furthermore, a discharge hole is provided at the bottom of the casting box body, a discharge groove is provided on one side of the discharge hole, and a blocking plate is slidably connected in the groove of the discharge groove.
[0017] Furthermore, a material collecting bin is installed at the bottom of the casting box, and a screw conveyor is arranged inside the material collecting bin.
[0018] Compared with the prior art, the utility model has the following beneficial effects:
[0019] The present application horizontally sets a group of erecting cross plates in the cavity of the casting box body, and opens two rows of cross plate slots on the surface of the erecting cross plates, so that the positioning plug rods can be inserted into each group of cross plate slots, so that the V-shaped structure of the lifting member is placed on one side of the erecting cross plates, and then the bottom two ends of the lost foam body can be overlapped on the supporting blocks, and different lost foam bodies can be overlapped on the supporting blocks at different positions, which has stronger adaptability, and in the process of sand falling, the lost foam body can be in a stable position state, and at the same time, the driving of the driving screw can make the erecting cross plates complete the automatic lifting of the lost foam body, thereby reducing the difficulty of discharging. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a schematic diagram of the structure of the utility model;
[0021] Figure 2 It is a top view of the utility model;
[0022] Figure 3 This is an enlarged view of the lifting member of the utility model.
[0023] In the figure: 1. Casting box; 2. Driving screw; 3. Connecting support rod; 4. Erection cross plate; 5. Cross plate slot; 6. Positioning plug rod; 7. Lifting piece; 8. Support block; 9. Lost foam body; 10. Discharge hole; 11. Discharge trough; 12. Blocking plate; 13. Material collection bin; 14. Screw conveyor; 15. Stabilizing support rod. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0025] See also Figure 1-3 , including: a casting box 1 and a lost foam body 9 arranged above the casting box 1. During casting, it is necessary to keep the casting box 1 filled with dry quartz sand, and then discharge the casting liquid into the lost foam body 9 of the mining pin rail. In order to complete the support of the lost foam body 9, a V-shaped lifting piece 7 is arranged below the lost foam body 9, and a supporting block 8 is fixed on the V-shaped upper end surface of the lifting piece 7, and the top of the supporting block 8 adopts a flat design. The flat design is convenient for supporting the bottom of the lost foam body 9, and the V-shaped structural design allows the lifting piece 7 to support lost foam bodies 9 of different sizes. The supporting blocks 8 are distributed along the inclined surface spacing of the lifting piece 7, and the bottom of the lost foam body 9 is in contact with the upper end plane of the supporting block 8, so that the supporting block 8 can be used to stably support the bottom of lost foam bodies 9 of different sizes.
[0026] The erection cross plate 4 is erected in the cavity of the casting box 1, and connecting rods 3 are fixedly provided at both ends of the erection cross plate 4. The connecting rods 3 are U-shaped. A part of the connecting rod 3 is placed in the cavity of the casting box 1, and the other part is placed outside the cavity of the casting box 1. The driving screw 2 is installed on the outside of the casting box 1. A motor is provided at the bottom of the driving screw 2. A part of the connecting rod 3 placed outside the cavity of the casting box 1 is meshed and sleeved on the outside of the driving screw 2, so that when the driving screw 2 rotates, the connecting rod 3 can move longitudinally, and a sliding rod is provided on one side of the driving screw 2, and a part of the connecting rod 3 is also sleeved outside the sliding rod, so that the connecting rod 3 can slide along the sliding rod, thereby improving the stability of the longitudinal movement of the connecting rod 3. As the connecting rod 3 moves longitudinally, the erection cross plate 4 will move longitudinally in the cavity of the casting box 1.
[0027] The cross plate slots 5 are provided on the surface of the erected cross plate 4, and a positioning rod 6 is inserted in the groove of the cross plate slots 5. The lifting piece 7 is fixed at one end of the positioning rod 6. The cross plate slots 5 are distributed at horizontal intervals along the surface of the erected cross plate 4, and the cross plate slots 5 are arranged in two rows. The positioning rod 6 can be inserted in each group of cross plate slots 5, so that the fixed-point installation of the lifting piece 7 can be completed, which can be increased or decreased according to the number of castings, and batch discharging can be realized. A sliding groove is provided on the inner wall of the driving screw 2, and a stabilizing rod 15 is fixed on the side wall of the connecting support rod 3. One end of the stabilizing rod 15 slides in the sliding groove to improve the stability of the erected cross plate 4 during the longitudinal movement.
[0028] A discharge hole 10 is provided at the bottom of the casting box 1, and a discharge trough 11 is provided on one side of the discharge hole 10, and a blocking plate 12 is slidably connected in the trough of the discharge trough 11. A material collecting bin 13 is installed at the bottom of the casting box 1, and a screw conveyor 14 is provided inside the material collecting bin 13. Before discharging, the blocking plate 12 can be pulled outward to expose the discharge hole 10, and the dry quartz sand retained in the cavity of the casting box 1 will fall into the cavity of the material collecting bin 13 along the discharge hole 10, and gather at the bottom along the inclined slope of the material collecting bin 13, and the gathered dry quartz sand can be discharged into the cavity of the casting box 1 through the screw conveyor 14 later.
[0029] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A lost foam casting device for a coal mine rail pin, comprising: A casting box (1) and a lost foam body (9) disposed above the casting box (1), It is characterized by further comprising: A horizontal plate (4) is installed in the cavity of the casting box (1), and connecting rods (3) are fixedly provided at both ends of the horizontal plate (4); A driving screw rod (2) is installed outside the casting box (1), a motor is arranged at the bottom of the driving screw rod (2), and one end of the connecting rod (3) is connected to the outside of the driving screw rod (2); A transverse plate slot (5) is provided on the surface of the erected transverse plate (4), and a positioning rod (6) is inserted into the slot of the transverse plate slot (5); The lifting piece (7) is fixedly mounted on one end of the positioning rod (6), and the lifting piece (7) adopts a V-shaped structure.
2. A lost foam casting device for coal mine pin rail according to claim 1, characterized in that: A sliding rod is provided on one side of the driving screw rod (2), and the bottom of the connecting rod (3) is slidably sleeved with the sliding rod.
3. The lost foam casting device for coal mine pin rail according to claim 1, characterized in that: A sliding groove is provided on the inner wall of the driving screw rod (2), and a stabilizing support rod (15) is fixedly provided on the side wall of the connecting support rod (3).
4. The lost foam casting device for coal mine pin rail according to claim 1, characterized in that: A supporting block (8) is fixedly arranged on the inner wall of the supporting member (7), and the top of the supporting block (8) is designed to be flat.
5. The lost foam casting device for coal mine pin rail according to claim 1, characterized in that: The support blocks (8) are distributed at intervals along the inclined surface of the lifting member (7), and the bottom of the lost foam body (9) is in contact with the upper end plane of the support blocks (8).
6. The lost foam casting device for coal mine pin rail according to claim 1, characterized in that: The transverse plate slots (5) are distributed at lateral intervals along the surface on which the transverse plate (4) is mounted, and the transverse plate slots (5) are arranged in two rows.
7. The lost foam casting device for coal mine pin rail according to claim 1, characterized in that: A discharge hole (10) is provided at the bottom of the casting box (1), a discharge groove (11) is provided on one side of the discharge hole (10), and a blocking plate (12) is slidably connected in the groove of the discharge groove (11).
8. The lost foam casting device for coal mine pin rail according to claim 1, characterized in that: A material collecting bin (13) is installed at the bottom of the casting box (1), and a screw conveyor (14) is arranged inside the material collecting bin (13).