Machine shell forming die

Abstract

The utility model relates to the field of molds, in particular to a machine shell forming mold which comprises a fixed mold body, a movable mold body and a pressing mold body, the movable mold body is slidably connected to the surface of the fixed mold body, the pressing mold body is slidably connected to the surface, facing the movable mold body, of the fixed mold body, and when the movable mold body, the fixed mold body and the pressing mold body are closed, a forming cavity for containing a blank is formed; the pressing die is used for extruding the blank in the forming cavity to form the machine shell. According to the machine shell extrusion forming device, the fixed die, the movable die and the pressing die are arranged, the pressing die extrudes and forms the machine shell on the blank in the forming cavity, one-time extrusion forming of the machine shell is achieved, the machining period of the machine shell is shortened, the machining efficiency of the machine shell is improved, and therefore the production cost of the machine shell is reduced.

Description

Technical Field

[0001] The present application relates to the field of molds, and in particular to a casing molding mold. Background Art

[0002] The casing is mainly used to cover and protect the internal structure of the machine or electronic equipment. Figure 1 The housing includes a mainboard 5, a positioning ring 161 and a positioning ring 162. The positioning ring 161 and the positioning ring 162 are fixed on both sides of the mainboard 5 in a one-to-one correspondence, and the axis of the positioning ring 161 and the axis of the positioning ring 162 are parallel to each other.

[0003] In the prior art, the processing of the casing requires the blank to be machined twice, which prolongs the processing cycle of the casing and thus increases the production cost of the casing. Utility Model Content

[0004] In order to improve the production cost problem of a casing, the present application provides a casing forming mold.

[0005] The present application provides a casing forming die, which adopts the following technical solution:

[0006] A casing forming die comprises a fixed die, a movable die and a pressing die. The movable die is slidably connected to the surface of the fixed die, and the pressing die is slidably connected to the surface of the fixed die facing the movable die. When the movable die, the fixed die and the pressing die are closed, a forming cavity is formed for placing a blank. The pressing die is used to extrude the blank in the forming cavity to form a casing.

[0007] By adopting the above technical solution, the blank is placed on the surface of the fixed mold facing the movable mold, the movable mold slides in the direction close to the fixed mold, the movable mold, the pressure mold and the fixed mold are closed, the blank is located in the molding cavity, the pressure mold is located on the side of the movable mold facing the fixed mold, and the pressure mold extrude the blank in the molding cavity into a casing, realizing one-time extrusion molding of the casing, shortening the processing cycle of the casing, improving the processing efficiency of the casing, and thus reducing the production cost of the casing.

[0008] Optionally, a positioning block is connected to the surface of the movable mold facing the pressing mold, and a positioning groove for the positioning block to be embedded in the surface of the pressing mold is opened. When the movable mold abuts against the pressing mold, the positioning block is embedded in the positioning groove.

[0009] By adopting the above technical solution, when the movable mold slides toward the pressure mold and closes the mold, the positioning block is embedded in the positioning groove, and the circumferential outer wall of the positioning block abuts against the inside of the positioning groove to form a limit, thereby realizing guided closing of the movable mold and the pressure mold.

[0010] Optionally, the movable mold includes a movable plate, a material return rod and a guide block, the end of the material return rod is connected to the surface of the movable plate facing the die, the surface of the die is provided with a sliding cavity for the material return rod to slide, the guide block is connected to the surface of the material return rod, and the surface of the die is provided with a guide groove for the guide block to be embedded.

[0011] By adopting the above technical solution, when the movable plate slides toward the direction close to the die, the end of the return rod passes through the sliding cavity and faces the forming cavity. At the same time, the guide block is embedded in the guide groove, so that the return rod is not easily offset in the sliding cavity, thereby improving the processing quality of the casing.

[0012] Optionally, the fixed mold surface is connected to a guide rod, and the movable mold surface is provided with a guide cavity for the guide rod to slide, and the sliding direction of the guide rod and the sliding direction of the movable mold are parallel to each other.

[0013] By adopting the above technical solution, when the movable mold approaches or moves away from the fixed mold, the guide rod is driven to slide on the inner wall of the guide cavity, so that the movable mold is not easily offset when approaching or moving away from the fixed mold, thereby improving the production quality of the casing.

[0014] Optionally, the fixed die includes a push rod and a positioning sleeve, the positioning sleeve is arranged on the outer periphery of the push rod, the pressure die is connected to the surface of the positioning sleeve facing the movable plate, the pressure die can drive the positioning sleeve to slide on the outer periphery of the push rod, and the molding cavity is located between the return rod, the pressure die, the positioning sleeve and the push rod.

[0015] By adopting the above technical solution, the die is connected to the surface of the positioning sleeve facing the movable plate. When the die is driven by the pressure of the movable die to slide the positioning sleeve on the periphery of the positioning rod, the die is not easily offset when sliding, thereby improving the processing quality of the casing.

[0016] Optionally, the fixed mold further includes a fixed seat and a positioning rod, the end of the push rod is connected to the surface of the fixed seat, the positioning rod is connected to the surface of the fixed seat, and the surface of the positioning sleeve is provided with a positioning cavity for the positioning rod to slide.

[0017] By adopting the above technical solution, when the positioning sleeve slides on the periphery of the push rod, it drives the positioning rod to slide on the inner wall of the positioning cavity, making it difficult for the positioning rod to deviate when sliding, thereby improving the stability of the positioning sleeve sliding on the periphery of the push rod.

[0018] Optionally, the fixed die further comprises a positioning ring, which is coaxially connected to the periphery of the push rod. When the die drives the positioning sleeve to slide on the periphery of the push rod, the surface of the positioning ring abuts against the surface of the positioning sleeve to form a positioning.

[0019] By adopting the above technical solution, when the die drives the positioning sleeve to slide on the periphery of the push rod, the surface of the positioning ring abuts against the surface of the positioning sleeve to form positioning, and a forming cavity is formed between the return rod, the die, the positioning sleeve and the push rod, so that the staff can directly observe the formation of the forming cavity.

[0020] Optionally, the fixed mold also includes a transmission rod, the end of which is connected to the surface of the positioning sleeve facing the fixed seat, and the surface of the fixed seat is provided with a transmission cavity for the transmission rod to slide, and the sliding direction of the transmission rod and the sliding direction of the die are parallel to each other.

[0021] By adopting the above technical solution, when the positioning sleeve slides on the outer periphery of the push rod, it drives the transmission rod to slide inside the transmission cavity, so that the positioning sleeve is not easily offset when sliding on the outer periphery of the push rod, thereby improving the production quality of the casing.

[0022] In summary, this application includes at least one of the following beneficial technical effects:

[0023] 1. The fixed die, movable die and pressing die are set up. The pressing die extrude the blank in the forming cavity into the casing, realizing one-time extrusion molding of the casing, shortening the processing cycle of the casing, improving the processing efficiency of the casing, and thus reducing the production cost of the casing;

[0024] 2. The positioning block and the positioning groove are set up. The outer wall of the positioning block abuts against the inside of the positioning groove to form a limit, so as to realize the guided clamping of the movable mold and the pressure mold;

[0025] 3. The arrangement of the moving plate, the ejector rod and the guide block makes it difficult for the ejector rod to deviate in the sliding cavity, thereby improving the processing quality of the casing. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the casing in the prior art.

[0027] Figure 2 It is a schematic diagram of the overall structure in the embodiment of the present application.

[0028] Explanation of the accompanying reference numerals: 1. Fixed mold; 11. Molding cavity; 12. Push rod; 13. Positioning sleeve; 131. Positioning cavity; 14. Fixed seat; 141. Transmission cavity; 15. Positioning rod; 16. Positioning ring; 17. Transmission rod; 2. Moving mold; 21. Moving plate; 211. Sliding channel; 212. Guide cavity; 22. Material return rod; 23. Guide block; 3. Pressing mold; 31. Sliding cavity; 32. Guide groove; 33. Positioning groove; 4. Guide rod; 5. Main board; 51. Positioning ring 1; 52. Positioning ring 2; 6. Positioning block. DETAILED DESCRIPTION

[0029] The following is combined with Figure 2This application is described in further detail.

[0030] The embodiment of the present application discloses a casing forming mold. Figure 2 The casing forming mold includes a fixed mold 1, a movable mold 2 and a pressure mold 3. The bottom of the fixed mold 1 is against the ground to form a support. The movable mold 2 is slidably connected to the surface of the fixed mold 1. The sliding direction of the movable mold 2 and the height direction of the fixed mold 1 are parallel to each other. The pressure mold 3 is slidably connected to the surface of the fixed mold 1 facing the movable mold 2. The sliding direction of the pressure mold 3 and the sliding direction of the movable mold 2 are parallel to each other. When the movable mold 2 slides in the direction close to the pressure mold 3, the surfaces of the movable mold 2 and the fixed mold 1 clamp both sides of the pressure mold 3 and close the mold. A molding cavity 11 for placing the blank is formed between the movable mold 2, the fixed mold 1 and the pressure mold 3, and the pressure mold 3 is used to extrude the blank in the molding cavity 11 to form a casing.

[0031] Reference Figure 2 The fixed mold 1 includes a pushing rod 12, a positioning sleeve 13, a fixing seat 14, a positioning rod 15, a positioning ring 16 and a transmission rod 17. The bottom surface of the fixing seat 14 abuts against the bottom surface to form a support. The end of the pushing rod 12 is fixed on the surface of the fixing seat 14 facing the movable mold 2. The sliding direction of the pushing rod 12 and the height direction of the fixing seat 14 are parallel to each other. The positioning sleeve 13 is coaxially sleeved on the outer periphery of the pushing rod 12. The pressure mold 3 is installed on the surface of the positioning sleeve 13 facing the movable mold 2. The positioning ring 16 is coaxially fixed on the outer periphery of the pushing rod 12. When the pressure mold 3 drives the positioning sleeve 13 to slide in the direction close to the positioning ring 16, the surface of the positioning ring 16 abuts against the surface of the positioning sleeve 13 to form a positioning, and the molding cavity 11 is located between the movable mold 2, the pressure mold 3, the pushing rod 12 and the positioning sleeve 13.

[0032] Reference Figure 2 The end of the positioning rod 15 is fixed on the surface of the fixing seat 14 facing the positioning sleeve 13, the axis of the positioning rod 15 and the axis of the pushing rod 12 are parallel to each other, and a positioning cavity 131 for the sliding of the positioning rod 15 is provided on the surface of the positioning sleeve 13. The end of the transmission rod 17 is fixed on the surface of the positioning sleeve 13 facing the fixing seat 14, and a transmission cavity 141 for the sliding of the transmission rod 17 is provided on the surface of the fixing seat 14. The sliding direction of the transmission rod 17 and the sliding direction of the positioning rod 15 are parallel to each other, so that the positioning sleeve 13 is not easily offset when sliding on the periphery of the pushing rod 12, thereby improving the production quality of the casing.

[0033] Reference Figure 2The movable mold 2 includes a movable plate 21, a material return rod 22 and a guide block 23. The movable plate 21 is slidably connected to the fixed seat 14. The surface of the movable plate 21 facing the pressing rod 12 is provided with a sliding channel 211 for the material return rod 22 to slide. The sliding channel 211 penetrates the surface of the movable plate 21 along the depth direction. The axis of the material return rod 22 coincides with the axis of the pressing rod 12. The surface of the pressing mold 3 is provided with a sliding cavity 31 for the material return rod 22 to slide. When the movable plate 21, the pressing mold 3 and the fixed mold 1 are closed, the end of the material return rod 22 passes through the sliding cavity 31 and faces the molding cavity 11. The material return rod 22 can extrude the blank in the molding cavity 11.

[0034] Reference Figure 2 The guide block 23 is fixed on the surface of the ejector rod 22, and a guide groove 32 for the guide block 23 to be embedded is opened inside the sliding cavity 31. When the surface of the movable plate 21 abuts the surface of the die 3, the guide block 23 is embedded in the guide groove 32, and the circumferential outer wall of the guide block 23 abuts the inside of the guide groove 32 to form a positioning, so that the movable plate 21 is not easily offset on the surface of the die 3, thereby improving the production quality of the casing.

[0035] Reference Figure 2 A positioning block 6 is fixed on the surface of the movable plate 21 facing the die 3, and a positioning groove 33 is opened on the surface of the die 3 for the positioning block 6 to be embedded. The circumferential outer wall of the positioning block 6 abuts against the inside of the positioning groove 33 to form a positioning, so that the movable plate 21 is not easily offset on the surface of the die 3, thereby improving the stability of the abutment between the movable plate 21 and the die 3.

[0036] Reference Figure 2 A guide rod 4 is fixed on the surface of the fixed seat 14 facing the movable plate 21. The axis of the guide rod 4 and the axis of the top pressure rod 12 are parallel to each other. A guide cavity 212 for the sliding of the guide rod 4 is opened on the surface of the movable plate 21, so that the movable plate 21 is not easily offset when approaching or moving away from the die 3, thereby improving the production quality of the casing.

[0037] The implementation principle of a casing forming mold in an embodiment of the present application is: the blank is placed on the surface of the top pressure rod 12 facing the movable mold 2, the movable mold 2 slides in the direction close to the fixed mold 1, the movable mold 2, the pressure mold 3 and the fixed mold 1 are closed, the blank is located in the molding cavity 11, the pressure mold 3 is located on the side of the movable mold 2 facing the fixed mold 1, and the pressure mold 3 extrude the blank in the molding cavity 11 into a casing, realizing one-time extrusion molding of the casing, shortening the processing cycle of the casing, improving the processing efficiency of the casing, and thus reducing the production cost of the casing.

[0038] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. The casing forming mold is characterized by: The invention comprises a fixed mold (1), a movable mold (2) and a pressing mold (3), wherein the movable mold (2) is slidably connected to the surface of the fixed mold (1), and the pressing mold (3) is slidably connected to the surface of the fixed mold (1) facing the movable mold (2). When the movable mold (2), the fixed mold (1) and the pressing mold (3) are closed, a molding cavity (11) for placing a blank is formed, and the pressing mold (3) is used to extrude the blank in the molding cavity (11) to form a casing; the movable mold (2) comprises a movable plate (21) and a material return rod (22); a sliding channel (211) for the material return rod (22) to slide is provided on the surface of the movable plate (21) facing the fixed mold (1), and a sliding cavity (31) for the material return rod (22) to slide is provided on the surface of the pressing mold (3). When the movable plate (21), the pressing mold (3) and the fixed mold (1) are closed, the end of the material return rod (22) passes through the sliding cavity (31) and moves toward the molding cavity. The mold cavity (11) is provided with a material return rod (22) capable of extruding the blank in the molding cavity (11); the fixed mold (1) comprises a push rod (12) and a positioning sleeve (13); the positioning sleeve (13) is sleeved on the outer periphery of the push rod (12); the pressure die (3) is connected to the surface of the positioning sleeve (13) facing the movable plate (21); the pressure die (3) can drive the positioning sleeve (13) to slide on the outer periphery of the push rod (12); and the molding cavity (11) is located between the material return rod (22), the pressure die (3), the positioning sleeve (13) and the push rod (12); the fixed mold (1) also comprises a positioning ring (16); the positioning ring (16) is coaxially connected to the outer periphery of the push rod (12); when the pressure die (3) drives the positioning sleeve (13) to slide on the outer periphery of the push rod (12), the surface of the positioning ring (16) abuts against the surface of the positioning sleeve (13) to form a positioning.

2. The housing forming mold according to claim 1, wherein: A positioning block (6) is connected to the surface of the movable mold (2) facing the pressing mold (3), and a positioning groove (33) for the positioning block (6) to be embedded is provided on the surface of the pressing mold (3). When the movable mold (2) abuts against the pressing mold (3), the positioning block (6) is embedded in the positioning groove (33).

3. The housing forming mold according to claim 1, wherein: The movable mold (2) further comprises a guide block (23), the guide block (23) being connected to the surface of the ejector rod (22), and a guide groove (32) for embedding the guide block (23) is provided on the surface of the pressing mold (3).

4. The housing forming mold according to claim 1, wherein: The surface of the fixed mold (1) is connected to a guide rod (4), and the surface of the movable mold (2) is provided with a guide cavity (212) for the guide rod (4) to slide. The sliding direction of the guide rod (4) and the sliding direction of the movable mold (2) are parallel to each other.

5. The casing forming mold according to claim 1, wherein: The fixed mold (1) further comprises a fixed seat (14) and a positioning rod (15); the end of the push rod (12) is connected to the surface of the fixed seat (14); the positioning rod (15) is connected to the surface of the fixed seat (14); and a positioning cavity (131) for the positioning rod (15) to slide is provided on the surface of the positioning sleeve (13).

6. The housing forming mold according to claim 1, wherein: The fixed die (1) further comprises a transmission rod (17), the end of which is connected to the surface of the positioning sleeve (13) facing the fixed seat (14), and a transmission cavity (141) for sliding movement of the transmission rod (17) is provided on the surface of the fixed seat (14), and the sliding direction of the transmission rod (17) and the sliding direction of the die (3) are parallel to each other.

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