Location-free middle groove evanescent mode system

Abstract

The positioning-free middle trough evanescent mode system comprises a middle plate evanescent mode, a bottom sealing plate evanescent mode, a shovel plate ledge evanescent mode, a baffle ledge evanescent mode, a rack rail seat evanescent mode and a baffle evanescent mode, the middle plate evanescent mode and the bottom sealing plate evanescent mode are arranged in parallel, and the middle plate evanescent mode is located above the bottom sealing plate evanescent mode. The two ends of the middle plate evanescent mode and the two ends of the bottom sealing plate evanescent mode are connected with the shovel plate ledge evanescent mode and the baffle ledge evanescent mode respectively, the upper end of the baffle ledge evanescent mode is connected with the rack rail base evanescent mode, the side edge of the baffle ledge evanescent mode is further connected with the baffle evanescent mode, and a positioning boss matched with the rack rail base is arranged on the inner side of the baffle evanescent mode. According to the positioning-free middle groove evanescent mode system, after the positioning boss is arranged on the inner side of the baffle evanescent mode, when the rack rail base evanescent mode is spliced, only the side edge of the rack rail base evanescent mode needs to be completely aligned with the positioning boss, positioning is convenient, and measurement is not needed.

Description

Technical Field

[0001] The utility model relates to the technical field of lost foam, in particular to a positioning-free middle groove lost foam system. Background Art

[0002] The middle trough is a conventional part of the scraper conveyor. The middle trough can be manufactured by casting and welding. Compared with welding, casting is an integrated molding and can bear greater pressure. Casting types are mainly divided into sand casting and special casting. There are many types of special casting, one of which is lost foam casting. Lost foam casting (also known as full mold casting) is a full mold made of foam plastic (EPS, STMMA or EPMMA) polymer material with the same structure and size as the part to be cast. After being dipped in refractory coating (for strengthening, smoothing and breathability) and dried, it is buried in dry quartz sand and subjected to three-dimensional vibration molding. The casting sand box is poured into the molten metal liquid under negative pressure, so that the polymer material model, that is, the lost foam, is heated and gasified and extracted, and then replaced by liquid metal and cooled and solidified to form a one-time molding casting new process. The lost foam is generally carved into a block of foam by an engraving machine. However, since the middle trough is relatively large, it is difficult for the engraving machine to carve the lost foam of the middle trough in one go.

[0003] The Chinese utility model patent with application number 201320743984.3 and name “Lost Foam for Casting Middle Groove” adopts a solution of dividing the lost foam into middle plate lost foam, shovel plate groove side lost foam, baffle plate groove side lost foam, bottom plate lost foam, rack seat lost foam, and square hole plate lost foam, and then assemble them into a whole.

[0004] However, the square hole plate lost foam and the baffle groove lost foam of this solution lack positioning. When assembling, it is necessary to first measure the position of the square hole plate lost foam on the upper surface of the baffle groove lost foam before splicing. This is quite labor-intensive. When the measurement is deviated, the prepared middle groove cannot be used. Summary of the invention

[0005] In view of this, it is necessary to provide a positioning-free middle groove lost foam system so that each lost foam component does not need to be positioned during assembly.

[0006] A positioning-free middle groove lost mold system comprises a middle plate lost mold, a bottom plate lost mold, a shovel plate groove side lost mold, a baffle plate groove side lost mold, a gear rail seat lost mold and a baffle plate lost mold. The middle plate lost mold is arranged in parallel with the bottom plate lost mold. The middle plate lost mold is located above the sealing plate lost mold. The two ends of the middle plate lost mold and the bottom plate lost mold are respectively connected with the shovel plate groove side lost mold and the baffle plate groove side lost mold. The upper end of the baffle plate groove side lost mold is connected with the gear rail seat lost mold. The side of the baffle plate groove side lost mold is also connected with the baffle plate lost mold. The inner side of the baffle plate lost mold is provided with a positioning boss matching the gear rail seat for easy positioning.

[0007] Preferably, the shovel plate groove side lost mold includes a shovel plate lost mold and a shovel plate groove side body lost mold. The bottom of the shovel plate groove side lost mold is provided with a weight reducing groove to reduce the weight of the middle groove. The bottom of the shovel plate groove side body lost mold is provided with a first card slot, and the shovel plate lost mold is engaged and connected with the first card slot.

[0008] Preferably, the baffle groove side lost mold includes a baffle groove side body lost mold and a baffle seat lost mold. The outer side of the upper end of the baffle groove side body lost mold is fixedly connected to the side of the baffle seat lost mold. The upper end of the baffle seat lost mold is connected to the rack seat and the baffle lost mold. The baffle lost mold is located on the outer side of the baffle seat lost mold.

[0009] Preferably, a plurality of rib plate lost molds are provided on the outer side of the lost mold of the baffle groove body to support the lost mold of the baffle seat.

[0010] Preferably, a plurality of lifting holes are provided between the lost foam of the baffle trough body and the lost foam of the rib plate to facilitate the transportation of the middle trough.

[0011] Preferably, a support plate lost mold is provided below the rib plate lost mold to support the rib plate, and the inner side of the support plate lost mold is also connected to the baffle groove body lost mold.

[0012] Beneficial effect: After the positioning boss is set on the inner side of the baffle lost mold of the utility model, when splicing the lost mold of the rack seat, it is only necessary to completely align the side of the lost mold of the rack seat with the positioning boss, which is convenient for positioning and does not require further measurement. At the same time, after the positioning boss is set and connected to the lost mold of the rack seat, the rack seat of the cast middle slot is integrally formed with the baffle, which improves the pressure bearing strength of the rack seat, and the rack seat is less likely to have problems, thereby extending the service life of the middle slot. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the assembly structure of the positioning-free middle groove lost foam system of the utility model.

[0014] Figure 2It is a schematic diagram of the split structure of the positioning-free middle groove lost foam system of the utility model.

[0015] Figure 3 It is a schematic diagram of the split structure from another angle of the positioning-free middle groove lost foam system of the utility model.

[0016] In the figure: positioning-free middle groove lost foam system 10, middle plate lost foam 20, bottom plate lost foam 30, shovel plate groove side lost foam 40, shovel plate lost foam 401, shovel plate groove side body lost foam 402, baffle plate groove side lost foam 50, baffle plate groove side body lost foam 501, baffle plate seat lost foam 502, rib plate lost foam 503, lifting hole 504, support plate lost foam 505, rack seat lost foam 60, baffle plate lost foam 70, positioning boss 701. DETAILED DESCRIPTION

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments are briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Please see Figures 1 to 3 A positioning-free middle groove lost mold system 10 includes a middle plate lost mold 20, a bottom plate lost mold 30, a shovel plate groove side lost mold 40, a baffle plate groove side lost mold 50, a rack seat lost mold 60, and a baffle plate lost mold 70. The middle plate lost mold 20 is arranged in parallel with the bottom plate lost mold 30. The middle plate lost mold 20 is located above the sealing plate lost mold. The two ends of the middle plate lost mold 20 and the bottom plate lost mold 30 are respectively connected to the shovel plate groove side lost mold 40 and the baffle plate groove side lost mold 50. The upper end of the baffle plate groove side lost mold 50 is connected to the rack seat lost mold 60, and the side of the baffle plate groove side lost mold 50 is also connected to the baffle plate lost mold 70. The inner side of the baffle plate lost mold 70 is provided with a positioning boss 701 matching the rack seat for easy positioning.

[0019] The connection between the components of the middle groove lost foam system is relatively simple, generally bonding. The production process of the middle groove lost foam is: after the foam material is processed into each component by an engraving machine, it is bonded according to the drawing to form the middle groove lost foam. During the bonding process, some components have natural positioning positions with adjacent bonding components, such as between the middle plate lost foam 20 and the shovel plate groove side lost foam 40 and the baffle plate groove side lost foam 50. The overall structure of the shovel plate groove side lost foam 40 and the baffle plate groove side lost foam 50 is M-shaped, and the end faces at the bending part of the M shape can just match the end faces at both ends of the middle plate lost foam 20, so there is no need for positioning. Similarly, the bottom plate does not need to be positioned. As for the baffle plate groove side lost foam 50 connected to the rack seat lost foam 60, its upper end is flat and its area is much larger than the rack seat lost foam 60. The top of the baffle groove lost mold 50 cannot provide positioning for the rack seat lost mold 60. When bonding the rack seat, it is necessary to measure the position where the rack seat needs to be fixed according to the design drawings, and then fix the rack seat. This method takes a long time and is prone to errors. If a positioning groove or boss is made on the upper surface of the baffle groove lost mold 50, the engraved surface of the baffle groove lost mold 50 will be increased, and the baffle groove lost mold 50 needs to be turned over, which is prone to deviation and increases the scrap rate of the baffle groove lost mold 50. According to the positional relationship and structure of the gear seat lost mold and the baffle lost mold 70, the utility model adds a positioning boss 701 on the inner side of the baffle lost mold 70, so that the positioning boss 701 is connected to the rack seat lost mold 60. This method is very convenient for positioning, and the gear seat of the middle groove produced has better pressure bearing capacity. The inner side of the baffle lost mold 70 originally needs to be processed with ribs, etc., and processing the positioning boss 701 will not increase the engraved surface of the baffle lost mold 70.

[0020] The positioning boss 701 is a boss provided according to the structure of the side of the rack seat lost mold 60, and can completely match the side of the rack seat. According to the shape and size of the actual rack seat, the positioning boss 701 can be changed accordingly.

[0021] A shovel plate is provided on the side of the lower end of the shovel plate groove, so that the shovel plate groove is L-shaped. When processing with an engraving machine, most of the plate needs to be removed. In order to reduce the consumption of the plate, further, the shovel plate groove lost mold 40 includes a shovel plate lost mold 401 and a shovel plate groove body lost mold 402. The shovel plate groove lost mold 40 has a weight reduction groove at the bottom of the shovel plate lost mold 401 to reduce the weight of the middle groove. The bottom of the shovel plate groove body lost mold 402 has a first card slot, and the shovel plate lost mold 401 is engaged and connected with the first card slot.

[0022] In this way, the shovel plate groove side lost mold 40 is divided from an L-shape into two I-shaped structures, which can significantly save carving materials during carving. At the same time, considering that the bottom of the shovel plate groove side generally has a weight reduction groove, in order to reduce the carving surface of the shovel plate groove side body lost mold 402, the utility model extends the shovel plate lost mold 401 to the lower end of the shovel plate groove side body lost mold 402, so that the weight reduction groove is separated from the shovel plate groove side body lost mold 402. The separated shovel plate groove side body lost mold 402 forms a first clamping groove.

[0023] The end surface of the upper end of the baffle groove side is obviously wider than other positions of the baffle groove side because the rack seat is to be installed, so the overall baffle groove side is also L-shaped, which wastes the plate when carving. Therefore, in a preferred embodiment, the baffle groove side lost mold 50 includes a baffle groove side body lost mold 501 and a baffle seat lost mold 502. The outer side of the upper end of the baffle groove side body lost mold 501 is fixedly connected to the side of the baffle seat lost mold 502, and the upper end of the baffle seat lost mold 502 is connected to the rack seat and the baffle lost mold 70. The baffle lost mold 70 is located on the outer side of the baffle seat lost mold 502.

[0024] The upper end surface of the baffle groove side lost mold 50 and the upper end surface of the baffle seat lost mold 502 are on the same plane, and the front and rear ends of the baffle groove side lost mold 50 and the front and rear ends of the baffle seat lost mold 502 are also on the same plane. Therefore, the baffle seat lost mold 502 and the baffle groove side lost mold 50 do not need to be positioned when assembled.

[0025] The baffle seat is under pressure from the rack seat and the baffle. Although the rack seat lost mold 60 and the baffle lost mold 70 are foam materials, the rack seat and baffle of the middle groove cast later are cast iron parts. After being installed on the scraper conveyor, they still need to bear the weight of the rack. The baffle seat is prone to deformation or fracture. Therefore, further, a plurality of rib plate lost molds 503 are provided on the outside of the baffle groove body lost mold 501 to support the baffle seat lost mold 502. Similarly, in order to reduce the waste of carving materials, the rib plate lost mold 503 is carved separately from the baffle groove body. Since the baffle groove body is M-shaped, part of the rib plate lost mold 503 is attached to the baffle groove body and carved integrally with the baffle groove body, and the rib plate beyond the side of the baffle groove is carved independently as the rib plate lost mold 503. When splicing, the rib plate part on the baffle groove body and the independently carved rib plate lost mold 503 part can naturally match without positioning.

[0026] Furthermore, a plurality of lifting holes 504 are provided between the lost mold 501 of the baffle groove body and the lost mold 503 of the rib plate to facilitate the transportation of the middle groove.

[0027] During hoisting, the rib plate in the middle of the baffle groove is subjected to a relatively large force. In order to disperse the force on this part and avoid the rib plate from breaking, a support plate lost mold 505 is further provided under the rib plate lost mold 503 to support the rib plate. The inner side of the support plate lost mold 505 is also connected to the baffle groove body lost mold 501, so that the rib plates and the rib plates bear the force together.

[0028] The above disclosure is only a preferred embodiment of the present invention, and it certainly cannot be used to limit the scope of the present invention. A person skilled in the art can understand that all or part of the processes of the above embodiments and equivalent changes made according to the claims of the present invention still fall within the scope of the present invention.

Claims

1. A positioning-free middle slot lost foam system, characterized in that: It comprises a middle plate lost mold, a bottom plate lost mold, a shovel plate groove side lost mold, a baffle plate groove side lost mold, a gear rail seat lost mold and a baffle plate lost mold. The middle plate lost mold is arranged in parallel with the bottom plate lost mold. The middle plate lost mold is located above the sealing plate lost mold. The two ends of the middle plate lost mold and the bottom plate lost mold are respectively connected with the shovel plate groove side lost mold and the baffle plate groove side lost mold. The upper end of the baffle plate groove side lost mold is connected with the gear rail seat lost mold. The side of the baffle plate groove side lost mold is also connected with the baffle plate lost mold. The inner side of the baffle plate lost mold is provided with a positioning boss matching the gear rail seat for easy positioning.

2. The positioning-free middle slot lost foam system according to claim 1, characterized in that: The shovel plate groove side lost mold comprises a shovel plate lost mold and a shovel plate groove side body lost mold. A weight reduction groove is provided at the bottom of the shovel plate groove side lost mold to reduce the weight of the middle groove. A first card slot is provided at the bottom of the shovel plate groove side body lost mold, and the shovel plate lost mold is engaged and connected with the first card slot.

3. The positioning-free middle slot lost foam system according to claim 2, characterized in that: The baffle groove side lost mold comprises a baffle groove side body lost mold and a baffle seat lost mold. The outer side of the upper end of the baffle groove side body lost mold is fixedly connected to the side of the baffle seat lost mold. The upper end of the baffle seat lost mold is connected to the rack seat and the baffle lost mold. The baffle lost mold is located on the outer side of the baffle seat lost mold.

4. The positioning-free middle slot lost foam system according to claim 3, characterized in that: A plurality of rib plate lost molds are also arranged on the outer side of the lost mold of the baffle groove body to support the lost mold of the baffle seat.

5. The positioning-free middle slot lost foam system according to claim 4, characterized in that: A plurality of lifting holes are also arranged between the lost mold of the baffle groove body and the lost mold of the rib plate to facilitate the transportation of the middle groove.

6. The positioning-free middle slot lost foam system according to claim 4, characterized in that: A support plate lost mold is provided below the rib plate lost mold to support the rib plate, and the inner side of the support plate lost mold is also connected to the baffle plate groove body lost mold.

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