A cylinder outward flanging die

Abstract

The utility model discloses a cylinder outward flanging die belongs to die technical field, including base, the lower die is fixed with on base upper end, and the supporting plate is fixed in the lower die, and the round hole is seted up in the supporting plate, and the upper die is arranged in the base upside, and the extruding rod is fixed with in the corresponding position of the round hole on the both sides of the lower end of the upper die, and the scrap collecting subassembly is arranged in the corresponding position of the round hole in the lower die inside, the utility model discloses a material pushing subassembly is seted up, when the workpiece is stuck in the lower die and is not easy to take out after the outward flanging processing of workpiece, and the motor drive driving gear rotates is started, and the driving gear rotation is driven the screw rod rotation in the cavity through the driven gear, and the screw rod rotation drives the slide plate ascending in the cavity, and the slide plate pushes the workpiece on the supporting plate and pushes out, and then the motor reverses and drives the slide plate reset, and the limiting strip is positioned and supports the slide plate, and the workpiece stuck in the lower die can be taken out through setting material pushing subassembly, and the material taking is convenient.

Description

Technical Field

[0001] This utility model belongs to the field of mold technology, specifically relating to a mold for outward-turning holes in a cylinder. Background Technology

[0002] Molds are various molds and tools used in industrial production to obtain desired products through methods such as injection molding, blow molding, extrusion, die casting, forging, smelting, and stamping.

[0003] The existing cylinder outward turning hole mold does not have a material ejection function. After the workpiece is stamped, it is easy for the workpiece to get stuck in the lower mold and difficult to remove. At the same time, the existing cylinder outward turning hole mold does not have a waste collection function. Waste chips are generated when the workpiece is processed to turn outward, and the existing mold is not convenient for collecting the waste chips generated during the outward turning hole processing. Utility Model Content

[0004] To address the problems mentioned in the background art, this utility model provides a cylinder outward-turning hole mold with a material ejection function, which is convenient for ejecting workpieces stuck in the lower mold.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a cylinder outward turning hole mold, including a base, a lower mold fixed at the upper end of the base, a support plate fixed in the lower mold, a circular hole in the support plate, an upper mold on the upper side of the base, extrusion rods fixed at the lower ends of the upper mold at positions corresponding to the circular hole, a chip collection assembly at the position corresponding to the circular hole inside the lower mold, and a material ejector assembly in the base;

[0006] The top material assembly includes a cavity. The base has a cavity. Two lead screws are rotatably connected to the cavity at positions corresponding to the support plate. Slide plates are threaded onto the two lead screws. Limiting strips are fixed to the lower sides of both ends inside the cavity. Driven gears are fixed to the lower sides of the lead screw surfaces. A motor is installed at the lower end of the cavity at a position corresponding to the driven gear. A drive gear is provided at the output end of the motor.

[0007] Preferably, both the base and the support plate have sliding holes corresponding to the top rod, and when the lower end of the sliding plate contacts the lower end of the limiting strip, the upper end of the top rod is flush with the upper end of the support plate.

[0008] Preferably, the lower end of the limiting strip is higher than the upper ends of the driving gear and the driven gear, the slide plate has a threaded hole corresponding to the lead screw, and a bearing rotating seat is provided between the lead screw and the base.

[0009] Preferably, the limiting strip and the base, as well as the top rod and the slide plate, are spot welded together, and the motor and the base are fixed together by bolts.

[0010] Preferably, the chip collection assembly includes an arc-shaped plate. Arc-shaped plates are provided at both ends of the lower mold corresponding to the circular holes. A connecting rod is fixed to one end of the arc-shaped plate, and a collection box is fixed to the other end of the connecting rod. A handle is fixed to the other end of the arc-shaped plate. The arc-shaped plate and the lower mold are connected by fixing bolts. Fixing holes corresponding to the fixing bolts are opened on the side of the lower mold, and slots corresponding to the collection boxes are opened at both ends of the lower mold.

[0011] Preferably, the arc-shaped plate has through holes on both sides corresponding to the fixing bolts, and after the collection box is installed, the side of the connecting rod is in close contact with the inner wall of the slot.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. This utility model, by setting an ejector assembly, allows for the removal of workpieces that are stuck in the lower mold after outward hole processing. When the workpiece is difficult to remove, the motor is turned on to drive the drive gear to rotate. The rotation of the drive gear drives the lead screw to rotate in the cavity through the driven gear. The rotation of the lead screw causes the slide plate to rise in the cavity. The slide plate pushes the ejector rod to push the workpiece out of the support plate. Afterward, the motor reverses to drive the slide plate to reset. The limit bar limits and supports the slide plate. By setting the ejector assembly, the workpiece stuck in the lower mold can be removed, which is convenient for material removal.

[0014] 2. This utility model, by setting a chip collection component, inserts the collection box into the lower mold through a slot. At this time, the side of the connecting rod is in close contact with the inner wall of the slot. Then, the fixing bolt is passed through the arc plate and screwed into the fixing hole on the side of the lower mold to achieve the effect of limiting and fixing the arc plate. When the extrusion rod punches the workpiece on the support plate to make outward turning holes, waste chips are generated. The waste chips fall into the collection box through the circular hole. By setting the chip collection component, the waste chips generated by the outward turning hole processing can be collected. Attached Figure Description

[0015] Figure 1 This is a perspective view of the present utility model;

[0016] Figure 2 This is a rear-view perspective view of the present invention;

[0017] Figure 3 This is a sectional perspective view of the base of this utility model;

[0018] Figure 4 This is a perspective view of the collection box of this utility model during installation;

[0019] In the diagram: 1. Base; 2. Ejector assembly; 21. Cavity; 22. Lead screw; 23. Slide plate; 24. Limiting strip; 25. Motor; 26. Drive gear; 27. Driven gear; 28. Ejector rod; 3. Chip collection assembly; 31. Arc plate; 32. Collection box; 33. Connecting rod; 34. Slot; 35. Handle; 36. Fixing bolt; 37. Fixing hole; 4. Lower mold; 5. Support plate; 6. Upper mold; 7. Extrusion rod; 8. Circular hole. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Example

[0021] Please see Figure 1-4 The present invention provides the following technical solution: a cylinder outward turning hole mold, including a base 1, a lower mold 4 fixed at the upper end of the base 1, a support plate 5 fixed in the lower mold 4, a circular hole 8 in the support plate 5, an upper mold 6 on the upper side of the base 1, extrusion rods 7 fixed at the lower ends of the upper mold 6 at positions corresponding to the circular hole 8, a chip collection assembly 3 in the lower mold 4 at positions corresponding to the circular hole 8, and a material ejector assembly 2 in the base 1;

[0022] The top material assembly 2 includes a cavity 21. The base 1 has a cavity 21. Two lead screws 22 are rotatably connected in the cavity 21 at positions corresponding to the support plate 5. Slide plates 23 are threaded onto the two lead screws 22. Limiting strips 24 are fixed to the lower sides of both ends inside the cavity 21. Driven gears 27 are fixed to the lower side of the surface of the lead screws 22. A motor 25 is installed at the lower end of the cavity 21 at a position corresponding to the driven gear 27. A drive gear 26 is provided at the output end of the motor 25.

[0023] Specifically, both the base 1 and the support plate 5 have sliding holes corresponding to the top rod 28. When the lower end of the sliding plate 23 contacts the lower end of the limiting strip 24, the upper end of the top rod 28 is flush with the upper end of the support plate 5.

[0024] By adopting the above technical solution, the push rod 28 can slide in the base 1 and the support plate 5. When the lower end of the slide plate 23 contacts the lower end of the limit strip 24, the upper end of the push rod 28 is prevented from protruding from the upper end of the support plate 5, which would affect the workpiece's outward turning punching operation.

[0025] Specifically, the lower end of the limiting bar 24 is higher than the upper end of the driving gear 26 and the driven gear 27, the slide plate 23 has a threaded hole corresponding to the lead screw 22, and a bearing rotating seat is provided between the lead screw 22 and the base 1.

[0026] By adopting the above technical solution, the limiting strip 24 can limit and support the slide plate 23, and the rotation of the lead screw 22 can drive the slide plate 23 to rise and fall in the cavity 21.

[0027] Specifically, the limit bar 24 and the base 1, as well as the top rod 28 and the slide plate 23, are spot welded together, and the motor 25 and the base 1 are fixed together by bolts.

[0028] By adopting the above technical solution, spot welding makes the limit strip 24 and the base 1, as well as the top rod 28 and the slide plate 23, more secure, and the bolt connection facilitates the disassembly, assembly, inspection and maintenance of the motor 25.

[0029] In this embodiment, when using the outward-turning die for the cylinder, the device is installed in a suitable position, and the workpiece to be processed is placed on the support plate 5 in the lower die 4. The drive mechanism pushes the upper die 6 to move downward. The upper die 6 pushes the extrusion rod 7 to cooperate with the circular hole 8 in the support plate 5 to perform outward-turning processing on the workpiece. After the outward-turning processing, if the workpiece is stuck in the lower die 4 and difficult to remove, the motor 25 is turned on to drive the drive gear 26 to rotate. The rotation of the drive gear 26 drives the lead screw 22 to rotate in the cavity 21 through the driven gear 27. The rotation of the lead screw 22 drives the slide plate 23 to rise in the cavity 21. The slide plate 23 pushes the push rod 28 to push the workpiece out of the support plate 5. Then the motor 25 reverses to drive the slide plate 23 to reset. The limit bar 24 limits and supports the slide plate 23. By setting the ejector assembly 2, the workpiece stuck in the lower die 4 can be removed, which is convenient for material removal. Example

[0030] The difference between this embodiment and embodiment 1 is that: the chip collection assembly 3 includes an arc plate 31, and the lower mold 4 is provided with arc plates 31 at both ends corresponding to the circular holes 8. A connecting rod 33 is fixed to one end of the arc plate 31, and a collection box 32 is fixed to the other end of the connecting rod 33. A handle 35 is fixed to the other end of the arc plate 31. The arc plate 31 and the lower mold 4 are connected by fixing bolts 36. The lower mold 4 has fixing holes 37 corresponding to the fixing bolts 36 on its side, and slots 34 corresponding to the collection boxes 32 are provided at both ends of the lower mold 4.

[0031] By adopting the above technical solution, the collection box 32 is inserted into the lower mold 4 through the slot 34. At this time, the side of the connecting rod 33 is in close contact with the inner wall of the slot 34. Then, the fixing bolt 36 is passed through the arc plate 31 and screwed into the fixing hole 37 on the side of the lower mold 4 to achieve the effect of limiting and fixing the arc plate 31. When the extrusion rod 7 punches the workpiece on the support plate 5 to make an outward hole, waste chips will be generated. The waste chips fall into the collection box 32 through the circular hole 8. By setting the chip collection component 3, the waste chips generated by the outward hole processing can be collected.

[0032] Specifically, the curved plate 31 has through holes on both sides corresponding to the fixing bolts 36, and after the collection box 32 is installed, the side of the connecting rod 33 is in close contact with the inner wall of the slot 34.

[0033] By adopting the above technical solution, the fixing bolt 36 can pass through the arc plate 31 and be screwed into the fixing hole 37. After the collection box 32 is installed, the side of the connecting rod 33 is in close contact with the inner wall of the slot 34, making the collection box 32 more stable.

[0034] In this embodiment, the collection box 32 is inserted into the lower mold 4 through the slot 34. At this time, the side of the connecting rod 33 is in close contact with the inner wall of the slot 34. Then, the fixing bolt 36 is passed through the arc plate 31 and screwed into the fixing hole 37 on the side of the lower mold 4 to achieve the effect of limiting and fixing the arc plate 31. When the extrusion rod 7 punches the workpiece on the support plate 5 to make an outward hole, waste chips will be generated. The waste chips fall into the collection box 32 through the circular hole 8. By setting the chip collection component 3, the waste chips generated by the outward hole processing can be collected.

[0035] In this utility model, the motor 25 is a previously disclosed technology, and the selected model is 5IK120GN-CF.

[0036] The structure and working principle of the base 1, lower mold 4, support plate 5, upper mold 6, extrusion rod 7 and circular hole 8 in this utility model have been disclosed in a high-precision part synchronous internal and external hole turning mold disclosed in Chinese patent application No. 202322855397X.

[0037] The working principle and usage process of this utility model: When using the cylinder outward turning hole mold, install the device in a suitable position, place the workpiece to be processed on the support plate 5 in the lower mold 4, and the drive mechanism pushes the upper mold 6 to move downward. The upper mold 6 pushes the extrusion rod 7 to cooperate with the circular hole 8 in the support plate 5 to perform outward turning hole processing on the workpiece. After the workpiece is outward turning hole processed, when the workpiece is stuck in the lower mold 4 and difficult to remove, the motor 25 is turned on to drive the drive gear 26 to rotate. The rotation of the drive gear 26 drives the lead screw 22 to rotate in the cavity 21 through the driven gear 27. The rotation of the lead screw 22 drives the slide plate 23 to rise in the cavity 21. The slide plate 23 pushes the push rod 28 to push the workpiece out of the support plate 5. Then, the motor 25 reverses to drive the slide plate 23 to reset, and the limit bar 24 limits and supports the slide plate 23. By setting the top material assembly 2, the workpiece stuck in the lower mold 4 can be taken out, which is convenient for material removal. The collection box 32 is inserted into the lower mold 4 through the slot 34. At this time, the side of the connecting rod 33 is in close contact with the inner wall of the slot 34. Then, the fixing bolt 36 is passed through the arc plate 31 and screwed into the fixing hole 37 on the side of the lower mold 4 to achieve the effect of limiting and fixing the arc plate 31. When the extrusion rod 7 punches the workpiece on the support plate 5 to make outward turning holes, waste chips will be generated. The waste chips fall into the collection box 32 through the circular hole 8. By setting the chip collection assembly 3, the waste chips generated by the outward turning hole processing can be collected.

[0038] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A cylindrical outward flaring die comprising a base (1) characterised in that: The base (1) is fixed with a lower mold (4) at the upper end, and a support plate (5) is fixed in the lower mold (4). A circular hole (8) is opened in the support plate (5). An upper mold (6) is provided on the upper side of the base (1). An extrusion rod (7) is fixed on both sides of the lower end of the upper mold (6) at the position corresponding to the circular hole (8). A chip collection assembly (3) is provided inside the lower mold (4) at the position corresponding to the circular hole (8). A material ejector assembly (2) is provided in the base (1). The top material assembly (2) includes a cavity (21). The base (1) has a cavity (21). Two lead screws (22) are rotatably connected in the cavity (21) at the position corresponding to the support plate (5). Slide plates (23) are threaded onto the two lead screws (22). Limiting strips (24) are fixed on the lower side of both ends inside the cavity (21). A driven gear (27) is fixed on the lower side of the surface of the lead screw (22). A motor (25) is installed at the lower end of the cavity (21) at the position corresponding to the driven gear (27). A drive gear (26) is provided at the output end of the motor (25).

2. A cylindrical outward flaring die according to claim 1, wherein: Both the base (1) and the support plate (5) are provided with sliding holes corresponding to the top rod (28). When the lower end of the sliding plate (23) contacts the lower end of the limiting strip (24), the upper end of the top rod (28) is flush with the upper end of the support plate (5).

3. A cylindrical outward flaring die according to claim 1 wherein: The lower end of the limiting strip (24) is higher than the upper end of the driving gear (26) and the driven gear (27). The sliding plate (23) has a threaded hole corresponding to the lead screw (22). A bearing rotating seat is provided between the lead screw (22) and the base (1).

4. The cylindrical outward flaring die of claim 1 wherein: The limiting strip (24) and the base (1) and the top rod (28) and the slide plate (23) are all spot welded together, and the motor (25) and the base (1) are fixed together by bolts.

5. The outward flaring die for a cylinder as defined in claim 1 wherein: The chip collection assembly (3) includes an arc plate (31). The lower mold (4) has arc plates (31) at both ends corresponding to the circular holes (8). A connecting rod (33) is fixed at one end of the arc plate (31), and a collection box (32) is fixed at the other end of the connecting rod (33). A handle (35) is fixed at the other end of the arc plate (31). The arc plate (31) and the lower mold (4) are connected by fixing bolts (36). The lower mold (4) has fixing holes (37) corresponding to the fixing bolts (36) on its side. The lower mold (4) has slots (34) corresponding to the collection boxes (32) at both ends.

6. A cylindrical outward flaring die according to claim 5 wherein: The arc plate (31) has through holes on both sides corresponding to the fixing bolts (36). After the collection box (32) is installed, the side of the connecting rod (33) is in close contact with the inner wall of the slot (34).

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