Die limiting structure of compressor box body casting

Abstract

The utility model relates to the technical field of mold limiting, in particular to a mold limiting structure of a compressor box body casting, which comprises a base plate and a mold of the compressor box body casting, and the mold of the compressor box body casting comprises a casting lower mold and a casting upper mold which can be separated up and down. The top of the base plate is connected with a limiting ring frame which is in vertical guide sliding fit with the casting lower mold, a positioning mechanism convenient to mount and dismount is further arranged between the base plate and the casting lower mold, the positioning mechanism convenient to mount and dismount comprises a positioning convex block and a positioning concave block, and the positioning convex block is provided with an arc-shaped protruding part; the positioning concave block is provided with a groove part matched with the arc-shaped protruding part, the upper portion and the lower portion, communicated with the groove part, of the positioning concave block are provided with an arc-shaped transition face and a horizontal limiting face respectively, and the side, away from the limiting ring frame, of the positioning concave block is provided with a sliding box in horizontal sliding fit with the base plate.

Description

Technical Field

[0001] The utility model relates to the technical field of die limit, in particular to a die limit structure for a compressor box casting. Background Art

[0002] A die is a tool that makes a blank into a workpiece with a specific shape and size under the action of external force. After the existing die for a compressor box casting is used multiple times, due to uneven stress, it will shift laterally. After retrieval, a Chinese patent with the publication number CN217095559U discloses a die limit structure for a precision compressor box casting. By using the lower die limit seat structure and the side limit plate structure in combination, the casting die will not displace left and right during use. When installing the lower die limit seat, first, weld and fix the casting lower die through the lower die welding plate in the middle of the upper end of the stainless steel plate, so as to be more firm and not easy to fall off during use. Further, through the clamping convex blocks at both ends of the outer side of the stainless steel plate and the limit grooves on both sides of the upper end of the stainless steel plate, it is convenient to be clamped and fixed in the side limit plate. In this way, during use, the casting lower die is restricted in the side limit plate, so that the casting lower die will not displace left and right. Through the square limit block structure, the casting die will not displace back and forth during use. When installing the square limit block, first, insert the convex slider in the middle of the bottom end of the square steel block into the square adjustment chute in the middle of the upper end of the fixed base, and slide the convex slider back and forth in the square adjustment chute, thereby driving the square steel block to clamp the lower die limit seat back and forth. When clamping, loosen the limit nut and rotate the locking threaded long rod so that the threaded long rod tightly presses on the fixed base, and then lock the limit nut so that the threaded long rod is not easy to loosen. In this way, during the use of the die, it is limited and fixed back and forth, so that the die is not easy to displace back and forth. However, although it is convenient to position the die for the compressor box casting, it is not convenient for disassembly and replacement. In practical applications, it is necessary to repeatedly disassemble the die to take out the compressor box casting. Its disassembly is more cumbersome and time-consuming. Therefore, a die limit structure for a compressor box casting with convenient installation and disassembly of the die and flexible operation is designed. Summary of the Utility Model

[0003] (1) Technical Problems to be Solved

[0004] In view of the deficiencies of the prior art, the utility model provides a die limit structure for a compressor box casting, which is convenient for installing and disassembling the die and has flexible operation.

[0005] (2) Technical Solutions

[0006] To achieve the above object, the present utility model provides the following technical solution: A mold limiting structure for a compressor housing casting, including a substrate and a mold for the compressor housing casting. The mold for the compressor housing casting includes a casting lower mold and a casting upper mold that can be separated up and down. A limiting ring frame is provided at the top of the substrate and is in vertical guiding and sliding fit with the casting lower mold. An easily detachable and positionable mechanism is also provided between the substrate and the casting lower mold. The easily detachable and positionable mechanism includes a positioning convex block and a positioning concave block. An arc-shaped protruding portion is provided on the positioning convex block, and a groove portion adapted to the arc-shaped protruding portion is provided on the positioning concave block. An arc-shaped transition surface and a horizontal limiting surface are respectively provided on the upper and lower parts of the positioning concave block that communicate with the groove portion. A sliding box that is in horizontal sliding fit with the substrate is provided on the side of the positioning concave block away from the limiting ring frame. An elastic mechanism is provided between the sliding box and the positioning concave block, and a loosening drive mechanism for driving the sliding box and the positioning concave block to move as a whole towards the side of the limiting ring frame is also included.

[0007] Preferably, the elastic mechanism includes a guiding slide bar that is in horizontal guiding and sliding fit with the sliding box. One end of the guiding slide bar is fixedly connected to the positioning concave block, a limiting block is provided at the other end of the guiding slide bar, and a spring is sleeved on the guiding slide bar. The two ends of the spring are respectively fixedly connected to the positioning concave block and the sliding box.

[0008] Preferably, two sets of easily detachable and positionable mechanisms are provided and are respectively arranged on the left and right sides of the limiting ring frame. The loosening drive mechanism includes two sliders that are in horizontal sliding fit with the substrate. Guide sliding grooves that are in sliding fit with the sliders are provided on both sides of the substrate where the limiting ring frame is located, and a distance adjusting assembly for synchronously adjusting the distances of the two sliders from the limiting ring frame is also included.

[0009] Preferably, the distance adjusting assembly includes a bidirectional screw provided below the two guide sliding grooves. The bidirectional screw is rotatably connected to the substrate, and the two sliders are symmetrically threadedly connected to both sides of the bidirectional screw. A driving member for driving the bidirectional screw to rotate is also included.

[0010] Preferably, the driving member includes a driving motor fixedly installed at the bottom of the substrate. A driving bevel gear is fixedly installed on the output shaft of the driving motor, and a transmission bevel gear that meshes with the driving bevel gear is fixedly installed on the bidirectional screw.

[0011] Preferably, arc-shaped guiding plates are fixedly installed around the top of the limiting ring frame.

[0012] (III) Beneficial effects

[0013] Compared with the prior art, the present utility model provides a mold limiting structure for a compressor housing casting, which has the following beneficial effects:

[0014] The die limiting structure of the compressor box casting facilitates the circumferential limitation of the lower die of the casting through the limiting ring frame, avoiding the problem of lateral displacement of the lower die of the casting during repeated use. Through the convenient installation and disassembly positioning mechanism, it is convenient to position the lower die of the casting placed in the limiting ring frame, avoiding the problem that the lower die of the casting rises immediately with the rise of the upper die of the casting due to the adhesion of the casting. Through the setting of the positioning convex block and the positioning concave block, the lower die of the casting can be locked in the limiting ring frame. Through the arc-shaped protruding part on the positioning convex block, the arc-shaped transition surface and the horizontal limiting surface on the positioning concave block, due to the setting of the elastic mechanism, it is convenient for the arc-shaped protruding part on the positioning convex block to be in arc contact with the arc-shaped transition surface on the positioning concave block, so that the arc-shaped protruding part can smoothly enter the groove part in the positioning concave block. Through the setting of the horizontal limiting surface, when the positioning convex block has a tendency to move upward, due to the large friction force between the horizontal limiting surface and the positioning convex block, the positioning convex block is prevented from breaking free from the positioning concave block. If it is necessary to disassemble the lower die of the casting, only need to loosen the driving mechanism, and make the positioning concave block move horizontally away from the positioning convex block to loosen the positioning convex block. The die limiting structure of the compressor box casting is convenient for installing and disassembling the die, and the operation is flexible. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic structural diagram of the overall decomposition of the present invention;

[0016] Figure 2 is a schematic structural diagram of the overall of the present invention;

[0017] Figure 3 For the present invention Figure 2 is a partial enlarged structural diagram of part A in the present invention;

[0018] Figure 4 is a schematic structural diagram of other perspectives of the overall of the present invention;

[0019] Figure 5 is a schematic structural diagram of the cooperation of the positioning convex block, the positioning concave block, the sliding box and the elastic mechanism of the present invention.

[0020] Reference numerals in the drawings: 1, base plate; 2, limiting ring frame; 3, lower die of casting; 4, upper die of casting; 5, through groove; 6, positioning convex block; 7, positioning concave block; 8, sliding box; 9, guiding slide bar; 10, spring; 11, limiting block; 12, guiding chute; 13, slider; 14, bidirectional screw; 15, driving motor; 16, driving bevel gear; 17, transmission bevel gear; 18, arc-shaped guiding plate; 19, lifting groove. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

[0022] Embodiment:

[0023] Please refer to Figures 1-5 , a mold limiting structure for a compressor housing casting, comprising a base plate 1 and a mold for the compressor housing casting. The mold for the compressor housing casting includes a lower casting mold 3 and an upper casting mold 4 that can be separated up and down. A limiting ring frame 2 that is vertically and guidingly slidably engaged with the lower casting mold 3 is fixedly connected to the top of the base plate 1. An installation and disassembly convenient positioning mechanism is further provided between the base plate 1 and the lower casting mold 3. The installation and disassembly convenient positioning mechanism includes a positioning convex block 6 and a positioning concave block 7. An arc-shaped protruding portion is provided on the positioning convex block 6, and a groove portion adapted to the arc-shaped protruding portion is provided on the positioning concave block 7. An arc-shaped transition surface and a horizontal limiting surface are respectively provided on the upper and lower parts of the positioning concave block 7 that communicate with the groove portion. A sliding box 8 that is horizontally slidably engaged with the base plate 1 is provided on the side of the positioning concave block 7 away from the limiting ring frame 2. An elastic mechanism is provided between the sliding box 8 and the positioning concave block 7. A loosening driving mechanism for driving the sliding box 8 and the positioning concave block 7 to move integrally toward the limiting ring frame 2 side is further included. Further, a through groove 5 adapted to the positioning convex block 6 is opened at the top of the limiting ring frame 2.

[0024] Specifically, the elastic mechanism includes a guiding slide bar 9 that is horizontally guidingly slidably engaged with the sliding box 8. One end of the guiding slide bar 9 is fixedly connected to the positioning concave block 7, and a limiting block 11 is provided at the other end of the guiding slide bar 9. A spring 10 is sleeved on the guiding slide bar 9, and both ends of the spring 10 are fixedly connected to the positioning concave block 7 and the sliding box 8 respectively. Through the setting of the spring 10, it is convenient to push the positioning concave block 7 toward the positioning convex block 6, so that the positioning concave block 7 is locked with the positioning convex block 6.

[0025] Specifically, two groups of installation and disassembly convenient positioning mechanisms are provided and are respectively arranged on the left and right sides of the limiting ring frame 2. The loosening driving mechanism includes two sliders 13 that are horizontally slidably engaged with the base plate 1. Guide sliding grooves 12 that are slidably engaged with the sliders 13 are opened on both sides of the base plate 1 where the limiting ring frame 2 is located. A distance adjusting assembly for synchronously adjusting the distance between the two sliders 13 from the limiting ring frame 2 is further included. Through the distance adjusting assembly, it is convenient to synchronously adjust the distance between the sliders 13 from the limiting ring frame 2, so as to adjust the distance between the positioning concave block 7 and the positioning convex block 6. Through the setting of the guide sliding grooves 12, it is convenient to guide the sliders 13.

[0026] Specifically, the spacing adjustment component includes a bidirectional screw 14 disposed below the two guiding chutes 12. The bidirectional screw 14 is rotatably connected to the base plate 1. Two sliders 13 are symmetrically threadedly connected to both sides of the bidirectional screw 14. It further includes a driving member for driving the rotation of the bidirectional screw 14. Through the driving member, the output shaft of the driving member rotates clockwise or counterclockwise, thereby driving the bidirectional screw 14 to rotate clockwise or counterclockwise, and then driving the two sliders 13 to move towards both sides or towards the middle, and further causing the sliding box 8 and the positioning concave block 7 to move away from or towards the limiting ring frame 2.

[0027] Specifically, the driving member includes a driving motor 15 fixedly installed at the bottom of the base plate 1. A driving bevel gear 16 is fixedly installed on the output shaft of the driving motor 15. A transmission bevel gear 17 meshing with the driving bevel gear 16 is fixedly installed on the bidirectional screw 14. Start the driving motor 15 to make the output shaft of the driving motor 15 rotate clockwise or counterclockwise, thereby driving the driving bevel gear 16 to rotate clockwise or counterclockwise. Through the meshing of the driving bevel gear 16 and the transmission bevel gear 17, the bidirectional screw 14 is driven to rotate counterclockwise or clockwise.

[0028] Specifically, arc-shaped guiding plates 18 are fixedly installed around the top of the limiting ring frame 2. Through the arrangement of the arc-shaped guiding plates 18, it is convenient for the casting lower mold 3 to be vertically placed into the limiting ring frame 2, enabling the casting lower mold 3 to quickly slide into the limiting ring frame 2 and improving the convenience of installation. Further, a lifting groove 19 is formed in the outer top of the casting lower mold 3. By providing the lifting groove 19, it is convenient to lift the casting lower mold 3 out of the limiting ring frame 2.

[0029] During use, the casting lower mold 3 is vertically placed into the limiting ring frame 2. Immediately, the arc-shaped protruding portion of the positioning convex block 6 contacts the arc-shaped transition surface on the positioning concave block 7 and overcomes the elastic force of the elastic mechanism, causing the arc-shaped protruding portion to enter the groove of the positioning concave block 7. Immediately, the casting lower mold 3 is locked in the limiting ring frame 2. Then, a certain amount of casting liquid is poured into the casting lower mold 3. Then, the casting upper mold 4 is buckled on the casting lower mold 3 from above, so that the casting liquid in the casting lower mold 3 takes a certain shape. After cooling, the casting upper mold 4 can be removed from the top. Then, when disassembling the casting lower mold 3, during disassembly, the positioning concave block 7 can be moved away from the positioning convex block 6 by loosening the driving mechanism. Then, the casting lower mold 3 can be taken out of the limiting ring frame 2.

[0030] It should be noted that phrases such as "an embodiment", "embodiments", "exemplary embodiments", "some embodiments", etc. mentioned in the specification indicate that the described embodiments may include specific features, structures or characteristics, but not necessarily every embodiment includes such specific features, structures or characteristics. In addition, such phrases do not necessarily refer to the same embodiment. Moreover, when describing a specific feature, structure or characteristic in combination with an embodiment, implementing such a feature, structure or characteristic in combination with other embodiments, whether explicitly or implicitly described, is within the knowledge scope of those skilled in the art.

[0031] It should be easily understood that the terms "on", "above", and "over" in this disclosure should be interpreted in the broadest manner, such that "on" not only means "directly on something", but also includes the meaning of "on something" with intermediate features or layers therebetween, and "above" or "over" not only include the meaning of "above" or "over something", but may also include the meaning of "above" or "over something" with no intermediate features or layers therebetween (i.e., directly on something).

[0032] In addition, for the convenience of description, spatial relative terms such as "below", "beneath", "under", "above", "over", etc. may be used in the text to describe the relationship of one element or feature to other elements or features as shown in the figures. Spatial relative terms are intended to encompass different orientations of the device in use or operation other than the orientation shown in the drawings. The device may have other orientations (rotated 90 degrees or in other orientations), and the spatial relative descriptive terms used in the text may be interpreted accordingly.

[0033] It should be noted that, in this text, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, such that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising the element.

[0034] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than limiting them; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A die limiting structure for a compressor housing casting, characterized in that: A mold including a substrate (1) and a compressor housing casting, the mold of the compressor housing casting includes a separable lower casting mold (3) and an upper casting mold (4) that can be separated up and down. A limit ring frame (2) that is vertically and guidingly slidably matched with the lower casting mold (3) is provided at the top of the substrate (1). An easy-to-install and disassemble positioning mechanism is also provided between the substrate (1) and the lower casting mold (3). The easy-to-install and disassemble positioning mechanism includes a positioning convex block (6) and a positioning concave block (7). An arc-shaped protruding portion is provided on the positioning convex block (6), and a groove portion adapted to the arc-shaped protruding portion is provided on the positioning concave block (7). An arc-shaped transition surface and a horizontal limiting surface are respectively provided on the upper and lower parts of the positioning concave block (7) that communicate with the groove portion. A sliding box (8) that is horizontally slidably matched with the substrate (1) is provided on one side of the positioning concave block (7) away from the limit ring frame (2). An elastic mechanism is provided between the sliding box (8) and the positioning concave block (7). A loosening drive mechanism for driving the sliding box (8) and the positioning concave block (7) to move integrally toward the limit ring frame (2) side is also included.

2. The die limiting structure of the compressor housing casting according to claim 1, characterized in that: The elastic mechanism includes a guiding slide bar (9) that is horizontally guidingly slidably matched with the sliding box (8). One end of the guiding slide bar (9) is fixedly connected to the positioning concave block (7), and a limiting block (11) is provided at the other end of the guiding slide bar (9). A spring (10) is sleeved on the guiding slide bar (9), and both ends of the spring (10) are fixedly connected to the positioning concave block (7) and the sliding box (8) respectively.

3. The mold limit structure of the compressor housing casting according to claim 2, characterized in that: Two sets of the easy-to-install and disassemble positioning mechanisms are provided and are respectively arranged on the left and right sides of the limit ring frame (2). The loosening drive mechanism includes two sliders (13) that are horizontally slidably matched with the substrate (1). Guide chutes (12) that are slidably matched with the sliders (13) are provided on both sides of the substrate (1) where the limit ring frame (2) is located. A spacing adjustment component for synchronously adjusting the distance between the two sliders (13) and the limit ring frame (2) is also included.

4. The die limiting structure of the compressor housing casting according to claim 3, characterized in that: The spacing adjustment component includes a bidirectional screw (14) provided below the two guide chutes (12). The bidirectional screw (14) is rotatably connected to the substrate (1). The two sliders (13) are symmetrically threadedly connected to both sides of the bidirectional screw (14). A driving member for driving the bidirectional screw (14) to rotate is also included.

5. The die limit structure of the compressor housing casting according to claim 4, wherein: The driving member includes a driving motor (15) fixedly installed at the bottom of the substrate (1). A driving bevel gear (16) is fixedly installed on the output shaft of the driving motor (15). A transmission bevel gear (17) that meshes with the driving bevel gear (16) is fixedly installed on the bidirectional screw (14).

6. The die limit structure of the compressor housing casting according to claim 5, wherein: Arc-shaped guide plates (18) are fixedly installed around the top of the limit ring frame (2).

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