Split type screw die

Abstract

The utility model belongs to the technical field of die manufacturing, and particularly relates to a split type screw die which comprises a main body and a die cover, a containing cavity is formed in the main body, a pouring hole communicated with the containing cavity is formed in one end face of the main body, a module barrel used for die punching is arranged in the containing cavity, and a butt joint hole corresponding to the pouring hole is formed in the end face of the module barrel. At least two threaded holes are formed in the side wall of the main body, the main body is in threaded connection with the module barrel, a connecting column is arranged on the end face of the mold cover, a connecting hole is formed in the module barrel corresponding to the connecting column, two sets of grooves are formed in the peripheral wall of the connecting column, and limiting pieces are arranged in the connecting hole corresponding to the grooves; a fixing groove is further formed in the body and formed in the periphery of the containing cavity in the end face of the body, and a connecting cylinder is arranged on the end face of the mold cover and corresponds to the fixing groove. Compared with the prior art, the production cost is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mould manufacturing technical field more specifically, it relates to a split type screw mould. BACKGROUND

[0002] The mould has a specific profile or inner cavity shape, and the profile shape with a cutting edge can make the blank separate according to the profile line shape (punching). The inner cavity shape can make the blank obtain a corresponding three-dimensional shape. The mould generally includes two parts, the movable mould and the fixed mould (or the punch and the die), which can be separated and combined.

[0003] For example, the authorized announcement number CN213794031U discloses a forming die for screw production, which can push the support plate to move under the cooperation of the threaded column, threaded cylinder, shaft and bearing, facilitate the pushing of the formed screw out of the forming groove, reduce the contact between the hands of the personnel and the screw, avoid the harm of the screw with too high temperature to the operator, set the limiting block and limiting groove to limit the first die plate when sliding, facilitate the formation of the screw in the forming groove, and also facilitate the taking out of the screw.

[0004] The screw moulds in the above-mentioned are mostly integrated structures, and screws with the same size and different structures need to be processed by using multiple integrated moulds, which has high mould procurement cost and is not conducive to reducing the production cost. UTILITY MODEL CONTENT

[0005] In view of the deficiencies of the prior art, the purpose of the utility model is to provide a split type screw mould which can be split and combined according to production needs.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A split type screw mould, comprising a main body and a mould cover, a placing cavity is formed in the main body, a pouring hole communicating with the placing cavity is formed in one end face of the main body, a module cylinder for punching is arranged in the placing cavity, a butt joint hole is formed in the end face of the module cylinder corresponding to the pouring hole, a forming cavity communicating with the butt joint hole is formed in the module cylinder,

[0008] At least two threaded holes are formed in the side wall of the main body, the main body and the module cylinder are connected through threads,

[0009] A connecting column is arranged on the end face of the mould cover, a connecting hole is formed in the module cylinder corresponding to the connecting column, two groups of grooves are formed in the outer peripheral wall of the connecting column, and a limiting piece is arranged in the connecting hole corresponding to the groove,

[0010] A fixing groove is further formed in the main body, and the fixing groove is arranged on the side of the end face of the main body and the placing cavity,

[0011] A connecting cylinder is arranged on the end face of the mould cover corresponding to the fixing groove.

[0012] The utility model further sets up: the spacing piece includes spring one and the clamping plate, spring one one end is connected with the connecting hole inner wall fixedly, spring one other end is connected with the clamping plate end face, and the clamping plate is inclined from the horizontal line to the connecting hole inner wall and presents thirty degrees.

[0013] The utility model further sets up: the recess inner wall is equipped with a plurality of sawteeth at equal intervals, the clamping plate end face is equipped with the convex tooth and is engaged with the sawtooth, and the recess cross section presents the fan shape.

[0014] The utility model further sets up: the fixed groove inner wall and the connecting barrel outer peripheral wall all are equipped with the screw thread and are engaged with each other.

[0015] The utility model further sets up: the placing cavity inner wall is equipped with the extrusion board, and the extrusion board end face is equipped with spring no.

[0016] Compared with the prior art, the utility model has the beneficial effects that:

[0017] By dividing the mold into the main body and the module cylinder detachably connected with the main body, when different specifications of screws need to be processed, only the module cylinder in the main body needs to be replaced, production cost is saved, further, the module cylinder is connected and fixed with the mold cover through the clamping plate, the installation of the mold cylinder is more stable, further, the mold cover is connected with the main body through the screw thread, does not affect the installation of the module cylinder, and the module cylinder is fixed. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is the structure schematic view of the utility model embodiment;

[0019] Fig. 2 It is the main body structure schematic view of the utility model embodiment;

[0020] Fig. 3 It is the mold cover structure schematic view of the utility model embodiment.

[0021] Main body 1, mold cover 2, placing cavity 3, pouring hole 4, module cylinder 5, connecting column 6, connecting hole 7, recess 8, fixed groove 9, connecting barrel 10, spring one 11, clamping plate 12, spring no. 13, extrusion board 14. DETAILED DESCRIPTION

[0022] Clearly and completely describe the technical scheme in the embodiments of the utility model in combination with the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0023] In the description of the utility model, it is understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model.

[0024] As shown in the utility model, Figs. 1 to 3

[0025] A split screw mold, comprising a main body 1 and a mold cover 2, a placing cavity 3 is formed in the main body 1, a module cylinder 55 is detachably connected in the placing cavity 3, so that the module cylinder 5 can be replaced according to production needs.

[0026] A pouring hole 4 is formed in one end surface of the main body 1 and communicates with the placing cavity 3, and raw materials are poured into the module cylinder 5 through the pouring hole 4.

[0027] A module cylinder 5 for die punching is arranged in the placing cavity 3, a butt joint hole is formed in the end surface of the module cylinder 5 corresponding to the pouring hole 4, a forming cavity communicating with the butt joint hole is formed in the module cylinder 5, an extrusion plate 14 is arranged on the inner wall of the placing cavity 3, a spring 13 is arranged on the end surface of the extrusion plate 14, the other end of the spring 13 is fixedly connected with the inner wall of the placing cavity 3, and the module cylinder 5 is further limited by the elastic force of the extrusion plate 14 and the spring 13.

[0028] At least two threaded holes are formed in the side wall of the main body 1, and the main body 1 and the module cylinder 5 are connected and fixed by threaded connection.

[0029] A connecting column 6 is arranged on the end surface of the mold cover 2, a connecting hole 7 is formed on the module cylinder 5 corresponding to the connecting column 6, two groups of grooves 8 are formed on the outer circumferential wall of the connecting column 6, a plurality of sawteeth are equidistantly arranged on the inner wall of the groove 8, a protrusion tooth engaged with the sawteeth is arranged on the end surface of the clamping plate 12, the cross section of the groove 8 is fan-shaped, a limiting piece is arranged in the connecting hole 7 corresponding to the groove 8, the limiting piece comprises a spring 11 and a clamping plate 12, one end of the spring 11 is fixedly connected with the inner wall of the connecting hole 7, the other end of the spring 11 is connected with the end surface of the clamping plate 12, the clamping plate 12 is inclined by thirty degrees from the horizontal line to the inner wall of the connecting hole 7, and the module cylinder 5 and the mold cover 2 are fixed by clamping the clamping plate 12 and the groove 8.​

[0030] The main body 1 is further provided with a fixing groove 9 arranged on the side of the end face of the main body 1 and the placing cavity 3, and the mold cover 2 is provided with a connecting cylinder 10 corresponding to the fixing groove 9, the inner wall of the fixing groove 9 and the outer peripheral wall of the connecting cylinder 10 are both provided with threads which are engaged with each other, and the mold cover 2 is threadedly connected with the main body 1.

[0031] Working principle: when used, the appropriate module cylinder 5 is selected according to the production needs, and then the module cylinder 5 is placed in the placing cavity 3, under the elastic force of the spring 13, the extrusion plate 14 extrudes and limits the outer peripheral wall of the module cylinder 5, and adjusts the position of the module cylinder 5, so that the module cylinder 5 can be threadedly connected with the main body 1.

[0032] Then the connecting cylinder 10 is clamped with the fixing groove 9, the mold cover 2 is fixed by rotating, since the teeth in the groove 8 are clamped with the sawteeth outside the clamping plate 12, the clamping plate 12 is clamped close to the groove 8 by rotating, and the connection of the module cylinder 5 and the main body 1 is completed.

[0033] When the processing needs to be changed, only the corresponding module cylinder 5 needs to be replaced by repeating the above steps.

[0034] By dividing the mold into the main body 1 and the module cylinder 5 which is detachably connected with the main body 1, when different specifications of screws need to be processed, only the module cylinder 5 in the main body 1 needs to be replaced, the production cost is saved, further, the module cylinder 5 is connected and fixed with the mold cover 2 by the clamping plate 12, the installation of the mold cylinder is more stable, further, the mold cover 2 is threadedly connected with the main body 1, which does not affect the installation of the module cylinder 5, and can also fix the module cylinder 5.

[0035] The above only describes the preferred embodiments of the present application, and is not used to limit the present application, and the skilled in the art can make common changes and replacements within the technical scheme of the present application, which should be included in the protection scope of the present application.

Claims

1. A split screw mold comprising a main body (1) and a mold cover (2), characterized in that: The main body (1) is provided with a placing cavity (3), and one end face of the main body (1) is provided with a pouring hole (4) in communication with the placing cavity (3); a module cylinder for a die is arranged in the placing cavity (3), and the module cylinder is provided with a butt joint hole on the end face corresponding to the pouring hole (4); a forming cavity in communication with the butt joint hole is formed in the module cylinder, The side wall of the main body (1) is provided with at least two threaded holes, and the main body (1) and the module cylinder are connected through threads, The end face of the die cover (2) is provided with a connecting column (6), the module cylinder is provided with a connecting hole (7) corresponding to the connecting column (6), two groups of grooves (8) are formed in the outer peripheral wall of the connecting column (6), and a limiting piece is formed in the connecting hole (7) corresponding to the grooves (8), The main body (1) is further provided with a fixing groove (9) arranged on the side of the end face of the main body (1) and located in the placing cavity (3), The end face of the die cover (2) is provided with a connecting cylinder (10) corresponding to the fixing groove (9).

2. A split screw mold as defined in claim 1, wherein: The limiting piece comprises a spring (11) and a clamping plate (12), one end of the spring (11) is fixedly connected with the inner wall of the connecting hole (7), the other end of the spring (11) is connected with the end face of the clamping plate (12), and the clamping plate (12) is inclined by 30 degrees from the horizontal line to the inner wall of the connecting hole (7).

3. A split screw mold as in claim 2, wherein: The inner wall of the groove (8) is provided with a plurality of sawteeth at equal intervals, the end face of the clamping plate (12) is provided with a convex tooth engaged with the sawteeth, and the cross section of the groove (8) is in the shape of a sector.

4. A split screw mold as in claim 3, wherein: The inner wall of the fixing groove (9) and the outer peripheral wall of the connecting cylinder (10) are both provided with threads engaged with each other.

5. A split screw mold as in claim 4, wherein: The inner wall of the placing cavity (3) is provided with an extrusion plate (14), the end face of the extrusion plate (14) is provided with a spring (13), and the other end of the spring (13) is fixedly connected with the inner wall of the placing cavity (3).

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