Gearbox front shell mould frame

Abstract

The utility model discloses a gearbox front shell mold frame, and belongs to the technical field of gearbox front shell pressing. A gearbox front shell mold frame comprises a mold, a material taking assembly is arranged below the mold, limiting assemblies are arranged on the two sides of the material taking assembly, an auxiliary assembly is fixedly connected to the upper portion of the mold, the material taking assembly comprises a material taking window arranged in the middle of the lower portion of the mold, and a push block is movably connected to the inner wall of the material taking window. Fixed rotating frames are movably connected to the lower portions of the two sides of the push block, the other ends of the fixed rotating frames are movably connected with curved frame plates, a groove is formed in the lower portion of the push block, and an electric telescopic rod is fixedly connected to the upper portion of the inner wall of the groove. In the process that the electric telescopic rod drives the push block to move upwards, and then the formed front shell is pushed upwards, the through holes, located below the mold, of the push block are matched, air is guided into the mold, it is prevented that vacuum negative pressure is generated, and guiding-out of the formed front shell is affected, and therefore the formed front shell can be rapidly guided out.

Description

Technical Field

[0001] The present application relates to the technical field of gearbox front shell pressing, and in particular to a gearbox front shell mold frame. Background Art

[0002] A mold is a tool used to make molded objects. This tool is composed of various parts, and different molds are composed of different parts. It mainly realizes the processing of the shape of the object by changing the physical state of the molded material. Known as the "mother of industry", it is a tool that makes the blank into a part with a specific shape and size under the action of external force. It is widely used in blanking, die forging, cold heading, extrusion, powder metallurgy pressing, pressure casting, and compression or injection molding of engineering plastics, rubber, ceramics and other products. The mold has a specific contour or inner cavity shape. The use of a contour shape with a cutting edge can make the blank separate (blanking) according to the contour shape. The use of an inner cavity shape can make the blank obtain a corresponding three-dimensional shape.

[0003] When the existing die-casting mold frame is in use, it is easy to be greatly impacted due to the influence of external force stamping, resulting in impact damage to the mold after long-term repeated stamping, which affects the service life of the mold. In addition, the residual material after stamping is easy to be blocked inside the mold, and the positioning of the mold is easy to deviate during stamping, resulting in poor quality of the product after stamping, which brings certain adverse effects to people's use process.

[0004] In response to the above technical problems, the patent number CN210587099U discloses a die-casting mold frame for gearbox housing molding, including a mold lower mold plate, a small core plate is fixedly connected to the interior of the mold lower mold plate, a core bottom plate is arranged at the upper end of the mold lower mold plate, a limiting plate is arranged on the upper outer surface of the core bottom plate, a fixed mold plate is arranged on the upper outer surface of the limiting plate, a stamping push plate is arranged on the upper outer surface of the fixed mold plate, and a stamping guide column is fixedly connected to the upper outer surface of the small core plate. The die-casting mold frame for gearbox housing molding described in the utility model can facilitate the positioning of the mold, improve the quality of the mold during stamping, and facilitate the discharge of residual materials after stamping, further ensure the quality of product stamping, improve the product yield, reduce resource waste, and reduce the vibration caused by mold stamping, effectively ensure the service life of the mold, and bring better prospects for use.

[0005] However, the above technical solution has the following defects:

[0006] (1) During the pressing process, there is a lack of limiting pressing of the mold structure, which affects the safety of the pressing process;

[0007] (2) During the pressing process, the formed front shell cannot be quickly removed from the mold, which reduces the efficiency of the pressing process;

[0008] (3) During the pressing process, a certain amount of heat cannot be provided for the pressing process, which affects the quality of the front shell molding. Utility Model Content

[0009] One purpose of the present application is to release the protective structure during the pressing process during the discharge process and to improve the safety of the pressing process.

[0010] In order to achieve the above purpose, the technical solution adopted in the present application is: a gearbox front shell mold frame, including a mold, a material taking component is provided below the mold, limit components are provided on both sides of the material taking component, and an auxiliary component is fixedly connected above the mold;

[0011] The material taking assembly comprises a material taking window arranged at the middle part below the mold, a push block is movably connected to the inner wall of the material taking window, a fixed rotating frame is movably connected to the lower part of both sides of the push block, a curved frame plate is movably connected to the other end of the fixed rotating frame, a groove is arranged below the push block, an electric telescopic rod is fixedly connected to the upper part of the inner wall of the groove, and a bottom plate is fixedly connected to the lower part of the electric telescopic rod;

[0012] The limit assembly includes a positioning rotating frame movably installed below the curved frame plate, the other end of the positioning rotating frame is movably connected to a three-point frame, the other end of the three-point frame is fixedly connected to a sliding plate, the upper part of the curved frame plate is fixedly connected to a limit frame plate, and the lower parts of the two limit frame plates are movably connected to an upper pressing plate;

[0013] The auxiliary component includes a die fixedly installed under the upper pressure plate, a support frame fixedly connected to the middle of the inner wall of the die, a plurality of heating tubes fixedly connected to the inner wall of the support frame in a straight line and evenly distributed, a plurality of inclined heat conducting plates fixedly connected to both sides of the outer wall of the support frame in a straight line and evenly distributed, and the other end of the inclined heat conducting plate is fixedly installed on the inner wall of the die.

[0014] Further preferably, a plurality of through holes are evenly distributed on the lower surface of the mold.

[0015] Further preferably, the outer wall of the sliding plate is movably connected with a slide groove, and the two slide grooves are fixedly installed above the bottom plate.

[0016] Further preferably, four support rods are evenly distributed and fixedly connected in a rectangular shape below the mold, and the support rods are fixedly installed on the surface of the base plate below.

[0017] Further preferably, an auxiliary frame plate is fixedly connected to the side of the support rod, and a fixing plate is fixedly connected in the middle of the four auxiliary frame plates.

[0018] Further preferably, a hydraulic telescopic rod is fixedly connected below the fixed plate, a buffer pad is fixedly connected below the hydraulic telescopic rod, a conical block is fixedly connected below the buffer pad, and the conical block is fixedly installed above the upper pressure plate below.

[0019] Further preferably, an inclined frame plate is fixedly connected to the side surface of the support rod, an inclined plate is fixedly connected to the side surface of the inclined frame plate, and the other end of the inclined plate is fixedly installed below the bottom plate.

[0020] Compared with the prior art, the beneficial effects of this application are:

[0021] (1) The push block is driven upward by the electric telescopic rod to push the formed front shell upward. During this process, the through hole under the mold cooperates to introduce air into the mold to prevent vacuum negative pressure from being generated, which affects the export of the formed front shell. The formed front shell can be quickly exported, thereby improving the production efficiency of the front shell.

[0022] (2) During the upward movement of the push block, with the cooperation of the positioning rotating frame, the two curved frame plates rotate along the positioning rotating frame, driving the limit frame plate away from the upper pressure plate, cooperating with the upper pressure plate to move upward and release the lock. During the downward movement of the push block, with the cooperation of the positioning rotating frame, the two curved frame plates move toward the mold with the assistance of the three-point frame, driving the limit frame plate to contact the upper pressure plate, thereby releasing the protective structure during the pressing process during the discharge process and improving its safety during the pressing process.

[0023] (3) Through the coordination among the curved frame plate, the positioning rotating frame, the push block and the limit frame plate, the safety protection of the pressing process can be released while the material is pushed out, and the pressing process can be locked for protection while the push block is reset.

[0024] (4) After the upper pressing plate is above the mold, the hydraulic telescopic rod is started to drive the upper pressing plate to move downward. During the pressing process, the heating tube starts to work and generate heat to provide heat to the support frame and the inclined frame plate, thereby increasing the heat during the pressing process, thereby achieving high-temperature pressing and improving the quality of the front shell pressing. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A schematic diagram of the three-dimensional structure of a gearbox front shell mold frame proposed by the utility model Figure 1 ;

[0026] Figure 2 A schematic diagram of the three-dimensional structure of a gearbox front shell mold frame proposed by the utility model Figure 2 ;

[0027] Figure 3 A schematic diagram of the three-dimensional structure of a gearbox front shell mold frame proposed by the utility model Figure 3 ;

[0028] Figure 4 This is a side structural schematic diagram of a gearbox front shell mold frame proposed by the utility model;

[0029] Figure 5 A gearbox front shell mold frame proposed by the utility model Figure 3 The cross-sectional diagram is shown at AA in the middle.

[0030] In the figure: 1. mold; 2. upper pressure plate; 3. support rod; 4. auxiliary frame plate; 5. fixed plate; 6. hydraulic telescopic rod; 7. conical block; 8. buffer pad; 9. inclined frame plate; 10. inclined plate; 11. bottom plate; 12. limit frame plate; 13. curved frame plate; 14. positioning rotating frame; 15. three-point frame; 16. through hole; 17. material taking window; 18. push block; 19. fixed rotating frame; 20. slide groove; 21. sliding plate; 22. die; 23. inclined heat conduction plate; 24. support frame; 25. heating tube; 26. electric telescopic rod; 27. groove. DETAILED DESCRIPTION

[0031] Below, the present application is further described in conjunction with specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0032] In the description of the present application, it should be noted that directional words, such as the terms "center", "lateral", "longitudinal", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, which are only for the convenience of narrating the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific scope of protection of the present application.

[0033] It should be noted that the terms "first", "second", etc. in the description and claims of the present application are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence.

[0034] The terms "including" and "having" and any variations thereof in the specification and claims of this application are intended to cover non-exclusive inclusions. For example, a process, method, system, product or apparatus comprising a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to these processes, methods, products or apparatuses.

[0035] The prior art has the following defects:

[0036] (1) During the pressing process, there is a lack of limiting pressing of the mold structure, which affects the safety of the pressing process;

[0037] (2) During the pressing process, the formed front shell cannot be quickly removed from the mold, which reduces the efficiency of the pressing process;

[0038] (3) During the pressing process, a certain amount of heat cannot be provided for the pressing process, which affects the quality of the front shell molding.

[0039] As an improvement, Figure 1 - Figure 5 As shown, the preferred embodiments of the present application are:

[0040] A gearbox front shell mold frame comprises a mold 1, a material taking component is arranged below the mold 1, limiting components are arranged on both sides of the material taking component, and an auxiliary component is fixedly connected above the mold 1;

[0041] The material taking assembly includes a material taking window 17 arranged at the middle part below the mold 1, a push block 18 is movably connected to the inner wall of the material taking window 17, a fixed rotating frame 19 is movably connected to the lower part of both sides of the push block 18, and a curved frame plate 13 is movably connected to the other end of the fixed rotating frame 19, a groove 27 is arranged below the push block 18, an electric telescopic rod 26 is fixedly connected to the upper part of the inner wall of the groove 27, and a bottom plate 11 is fixedly connected to the lower part of the electric telescopic rod 26;

[0042] The limit assembly includes a positioning rotating frame 14 movably mounted below the curved frame plate 13, the other end of the positioning rotating frame 14 is movably connected to a three-point frame 15, the other end of the three-point frame 15 is fixedly connected to a sliding plate 21, the upper part of the curved frame plate 13 is fixedly connected to a limit frame plate 12, and the lower parts of the two limit frame plates 12 are movably connected to an upper pressing plate 2;

[0043] The auxiliary component includes a die 22 fixedly installed under the upper pressure plate 2, a support frame 24 fixedly connected to the middle of the inner wall of the die 22, a plurality of heating tubes 25 fixedly connected to the inner wall of the support frame 24 in a straight line and evenly distributed, and a plurality of inclined heat conducting plates 23 fixedly connected to both sides of the outer wall of the support frame 24 in a straight line and evenly distributed, and the other end of the inclined heat conducting plate 23 is fixedly installed on the inner wall of the die 22.

[0044] like Figure 1 , Figure 2 , Figure 3 As shown, in this embodiment, a plurality of through holes 16 are evenly distributed on the lower surface of the mold 1;

[0045] The outer wall of the sliding plate 21 is movably connected with a slide groove 20, and the two slide grooves 20 are fixedly installed above the bottom plate 11;

[0046] Four support rods 3 are evenly distributed and fixedly connected in a rectangular shape below the mold 1, and the support rods 3 are fixedly mounted on the surface of the bottom plate 11 below;

[0047] Specifically, the push block 18 is driven to move upward by the electric telescopic rod 26, and in the process of pushing the formed front shell upward, the through hole 16 below the mold 1 cooperates to introduce air into the mold 1 to prevent it from generating vacuum negative pressure and affecting the export of the formed front shell, thereby enabling the formed front shell to be quickly exported, thereby improving the production efficiency of the front shell.

[0048] like Figure 1 , Figure 2 and Figure 3 As shown, in this embodiment, the side of the support rod 3 is fixedly connected with an auxiliary frame plate 4, and the middle of the four auxiliary frame plates 4 is fixedly connected with a fixed plate 5;

[0049] Specifically, during the upward movement of the push block 18, with the cooperation of the positioning rotating frame 14, the two curved frame plates 13 rotate along the positioning rotating frame 14, and drive the limiting frame plate 12 away from the upper pressure plate 2, and cooperate with the upper pressure plate 2 to move upward to release the lock. During the downward movement of the push block 18, with the cooperation of the positioning rotating frame 14, the two curved frame plates 13 move toward the mold 1 with the assistance of the three-point frame 15, and drive the limiting frame plate 12 to contact the upper pressure plate 2, so that the protective structure during the pressing process can be released during the discharge process, and its safety during the pressing process is improved.

[0050] like Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, in this embodiment, a hydraulic telescopic rod 6 is fixedly connected below the fixed plate 5, a buffer pad 8 is fixedly connected below the hydraulic telescopic rod 6, a conical block 7 is fixedly connected below the buffer pad 8, and the conical block 7 is fixedly installed above the upper pressing plate 2;

[0051] The side of the support rod 3 is fixedly connected with an inclined frame plate 9, and the side of the inclined frame plate 9 is fixedly connected with an inclined plate 10, and the other end of the inclined plate 10 is fixedly installed below the bottom plate 11;

[0052] Specifically, after the upper pressing plate 2 is above the mold 1, the hydraulic telescopic rod 6 is started to drive the upper pressing plate 2 to move downward. During the pressing process, the heating tube 25 starts to work and generates heat, providing heat to the support frame 24 and the inclined frame plate 9, thereby increasing the heat during the pressing process, thereby achieving high-temperature pressing and improving the quality of the pressing and molding of the front shell.

[0053] The working principle of the present application is as follows: the staff places the material to be pressed on the mold 1, and then the upper pressing plate 2 is started, and the electric telescopic rod 26 is started to shrink, driving the push block 18 to move downward. Under the cooperation of the positioning rotating frame 14, the two curved frame plates 13 are assisted by the three-point frame 15 to move toward the mold 1, and drive the limit frame plate 12 to contact the upper pressing plate 2 to lock it. After completion, the upper pressing plate 2 driven by the hydraulic telescopic rod 6 is started to move downward. During the pressing process, its heating tube 25 starts to work, generates heat, and provides heat to the support frame 24 and the inclined frame plate 9 to increase heat during the pressing process, thereby achieving high-temperature pressing. After completion, the hydraulic telescopic rod 6 drives the upper pressing plate 2 to move to the top of the mold 1, and then the electric telescopic rod 26 is started to extend, and the curved frame plate 13 rotates along the positioning rotating frame 14, and drives the limit frame plate 12 away from the upper pressing plate 2, cooperates with the upper pressing plate 2 to move upward, and releases the lock. At this time, the hydraulic telescopic rod 6 is started again to take the upper pressing plate 2 away from the mold 1 to complete the pressing operation.

[0054] The above describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and the specification only describe the principles of the present application. The present application may have various changes and improvements without departing from the spirit and scope of the present application, and these changes and improvements fall within the scope of the present application for which protection is sought. The scope of protection claimed by the present application is defined by the attached claims and their equivalents.

Claims

1. A gearbox front housing mold frame, comprising a mold (1), characterized in that: A material taking component is provided below the mold (1), and position limiting components are provided on both sides of the material taking component. An auxiliary component is fixedly connected to the top of the mold (1); The material taking component comprises a material taking window (17) arranged at the middle part below the mold (1), the inner wall of the material taking window (17) is movably connected with a push block (18), the lower sides of the push block (18) are movably connected with a fixed rotating frame (19), the other end of the fixed rotating frame (19) is movably connected with a curved frame plate (13), a groove (27) is arranged below the push block (18), an electric telescopic rod (26) is fixedly connected above the inner wall of the groove (27), and the lower side of the electric telescopic rod (26) is fixedly connected with a bottom plate (11); The limiting assembly comprises a positioning rotating frame (14) movably mounted below the curved frame plate (13); the other end of the positioning rotating frame (14) is movably connected to a three-point frame (15); the other end of the three-point frame (15) is fixedly connected to a sliding plate (21); a limiting frame plate (12) is fixedly connected above the curved frame plate (13); and an upper pressing plate (2) is movably connected below the two limiting frame plates (12); The auxiliary component comprises a die (22) fixedly mounted below the upper pressing plate (2); a support frame (24) is fixedly connected to the middle of the inner wall of the die (22); a plurality of heating tubes (25) are fixedly connected to the inner wall of the support frame (24) in a straight line and evenly distributed; a plurality of inclined heat conducting plates (23) are fixedly connected to both sides of the outer wall of the support frame (24) in a straight line and evenly distributed; the other end of the inclined heat conducting plate (23) is fixedly mounted on the inner wall of the die (22).

2. A gearbox front housing mold frame as claimed in claim 1, characterized in that: The lower surface of the mold (1) is provided with a plurality of through holes (16) in a uniformly distributed manner.

3. A gearbox front housing mold frame as claimed in claim 1, characterized in that: The outer wall of the sliding plate (21) is movably connected with a sliding groove (20), and the two sliding grooves (20) are fixedly installed above the bottom plate (11).

4. A gearbox front housing mold frame as claimed in claim 1, characterized in that: Four support rods (3) are evenly distributed and fixedly connected in a rectangular shape below the mold (1), and the support rods (3) are fixedly mounted on the surface of the bottom plate (11) below.

5. A gearbox front housing mold frame as claimed in claim 4, characterized in that: The side of the support rod (3) is fixedly connected with an auxiliary frame plate (4), and the middle of the four auxiliary frame plates (4) is fixedly connected with a fixing plate (5).

6. A gearbox front housing mold frame as claimed in claim 5, characterized in that: A hydraulic telescopic rod (6) is fixedly connected below the fixed plate (5), a buffer pad (8) is fixedly connected below the hydraulic telescopic rod (6), a conical block (7) is fixedly connected below the buffer pad (8), and the conical block (7) is fixedly mounted above the upper pressure plate (2).

7. A gearbox front housing mold frame as claimed in claim 5, characterized in that: The side of the support rod (3) is fixedly connected to an inclined frame plate (9), the side of the inclined frame plate (9) is fixedly connected to an inclined plate (10), and the other end of the inclined plate (10) is fixedly installed below the bottom plate (11).

Images