Inclined hole special-shaped die

Abstract

The utility model discloses an inclined hole special-shaped die, which relates to the technical field of die processing, and comprises a base, a lower die is arranged on the base, a hole groove is arranged on the lower die, a hole forming structure is arranged on one side of the lower die, the hole forming structure comprises a punching rod, and the punching rod can punch a workpiece on the lower die. A hydraulic cylinder is arranged above the hole forming structure, the hydraulic cylinder can apply pressure to the punching rod, the hole forming structure further comprises a fixing block, the upper side of the fixing block is slidably connected with a pressing block through a reset rod, and the reset rod is sleeved with a reset spring; the inclined hole forming treatment can be carried out on the workpiece on the lower die through the arranged hole forming structure, and the pressing block and the punching rod are obliquely arranged, so that when the punching rod carries out inclined hole forming on the side edge of the workpiece, the output end of the punching rod and the side edge of the workpiece are in a relatively parallel state, and therefore an included angle cannot be generated between the workpiece and the punching rod; and the condition that the workpiece is damaged due to unbalanced stress is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to mould processing technical field, concretely is a kind of oblique hole special-shaped mould. BACKGROUND

[0002] The existing forming mode of special-shaped workpiece is mainly that product is divided into upper die and lower die to form by pressure, and the main problem of the oblique hole die is that the hole and the product horizontal plane present a certain angle, affected by the angle, the mechanism of crack is mainly uneven force distribution on the hole face. Lead to the phenomenon that workpiece is prone to damage. Therefore, an oblique hole special-shaped die is provided to solve the problems raised in the above background technology. SUMMARY

[0003] The utility model is to provide a kind of oblique hole special-shaped mould to solve the problems raised in the above background technology.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] An oblique hole special-shaped die, comprising a base, a lower die is installed on the base, a hole groove is formed in the lower die, a hole forming structure is arranged on one side of the lower die, the hole forming structure comprises a punching rod, the punching rod can punch the workpiece on the lower die, a hydraulic cylinder is arranged above the hole forming structure, and the hydraulic cylinder can apply pressure to the punching rod.

[0006] As a further scheme of the utility model: wherein, the hole forming structure further comprises a fixing block, a pressing block is slidably connected to the upper side of the fixing block through a return rod, a return spring is sleeved on the return rod, a punching rod is installed on the pressing block, and the punching rod penetrates the fixing block.

[0007] As a further scheme of the utility model: wherein, an installation hole is formed in the pressing block, and the punching rod is bolted in the installation hole.

[0008] As a further scheme of the utility model: wherein, a fixed frame is fixedly connected to one side of the base, a hydraulic cylinder is installed on the fixed frame, and a pressure applying block is fixedly connected to the output end of the hydraulic cylinder.

[0009] As a further scheme of the utility model: wherein, the side adjacent to the pressing block of the pressure applying block is provided with an inclined sliding surface, a plurality of rolling balls are installed in the side of the pressure applying block, a plurality of oil injection cavities are formed in the pressure applying block, and the oil injection cavities are in communication with the rolling balls.

[0010] As a further scheme of the utility model: wherein, sliding blocks are fixedly connected to the two sides of the pressure applying block, a sliding rod is slidably connected in the sliding blocks, and the upper and lower ends of the sliding rod are fixedly connected with the base and the top side wall of the fixed frame respectively.

[0011] Compared with the prior art, the utility model has the advantages of

[0012] The hole forming structure can perform inclined hole processing on the workpiece on the lower die, and the pressing block and the punching rod are inclined, so that the output end of the punching rod and the side of the workpiece are in a relative parallel state when the punching rod performs inclined hole processing on the side of the workpiece, so that no angle is generated between the workpiece and the punching rod, and the condition that the workpiece is damaged due to uneven stress is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a whole structure schematic view in the utility model;

[0014] Fig. 2 It is a hole forming structure schematic view in the utility model;

[0015] Fig. 3 It is a pressing block structure sectional view schematic view in the utility model;

[0016] Fig. 4 It is a lower die structure schematic view in the utility model;

[0017] The corresponding relationship between the annotations of the drawings and the component names in the drawings is as follows:

[0018] 1, base, 101, lower die, 102, hole groove, 2, hole forming structure, 201, fixed block, 202, pressing block, 203, mounting hole, 204, punching rod, 205, reset rod, 206, reset spring, 207, pressing block, 2071, ball, 2072, oil injection cavity, 3, hydraulic cylinder, 301, sliding block, 302, sliding rod, 303, fixed frame. DETAILED DESCRIPTION

[0019] Please refer to Figs. 1-4 : a inclined hole special-shaped die, including base 1, the base 1 is installed with lower die 101, is set up hole groove 102 on lower die 101, and the one side of lower die 101 is provided with hole forming structure 2, and hole forming structure 2 includes punching rod 204 and pressing block 207 and pressing block 202, and the side of pressing block 207 and pressing block 202 adjacent is provided with inclined sliding surface, and punching rod 204 can perform punching processing to the workpiece on lower die 101, and hydraulic cylinder 3 is set up above hole forming structure 2, and hydraulic cylinder 3 can exert pressure to punching rod 204.

[0020] When the workpiece needing to be obliquely drilled is placed on the lower die 101 (the workpiece is in the shape of a circular truncated cone and is a hollow structure, and is covered on the lower die 101), the workpiece on the lower die 101 can be subjected to the oblique drilling treatment through the hole forming structure 2, the pressing block 207 can exert pressure on the pressing block 202 under the drive of the hydraulic cylinder 3, the pressing block 202 subjects the workpiece on the lower die 101 to the hole drilling treatment through the punching rod 204, and the pressing block 207 and the punching rod 204 are obliquely arranged, so that when the punching rod 204 drills the side edge of the workpiece, the output end of the punching rod 204 and the side edge of the workpiece are in a relatively parallel state, so that no angle is generated between the workpiece and the punching rod 204, and the workpiece and the punching rod 204 are more uniformly stressed, avoiding the situation that the workpiece is damaged due to uneven stress.

[0021] Preferably, a plurality of rolling balls 2071 are mounted on one side of the pressing block 207, and a plurality of oil injection cavities 2072 are formed in the pressing block 207 and communicate with the rolling balls 2071.

[0022] When the pressing block 207 exerts pressure on the pressing block 202 to make the pressing block 202 move downward, the pressing block 207 is in contact with the pressing block 202 through the rolling balls 2071, the rolling balls 2071 are rotationally connected in the pressing block 207, and the rolling balls 2071 rotate when in contact with the pressing block 202, thereby reducing the friction generated when the pressing block 202 and the pressing block 207 are in contact, and avoiding the situation that the pressing block 202 or the pressing block 207 is abraded due to excessive friction.

[0023] Preferably, the hole forming structure 2 further comprises a fixing block 201, the pressing block 202 is slidably connected to the upper side of the fixing block 201 through a reset rod 205, a reset spring 206 is sleeved on the reset rod 205, the punching rod 204 is mounted on the pressing block 202, and the punching rod 204 penetrates through the fixing block 201.

[0024] When the pressing block 202 is subjected to the pressure generated by the pressing block 207, the pressing block 202 moves toward the fixing block 201, the pressing block 202 drives the punching rod 204 to move toward the workpiece, until the punching rod 204 punches through the workpiece on the lower die 101, the punching rod 204 extends into the hole groove 102, and the hole drilling treatment of the workpiece is completed, when the pressing block 207 stops exerting pressure on the pressing block 202 to move upward, the pressing block 202 returns to the initial position under the action of the reset spring 206, and is prepared for the next hole punching work of the workpiece.

[0025] Preferably, the mounting hole 203 is formed in the pressing block 202, and the punching rod 204 is boltedly connected in the mounting hole 203.

[0026] When the punching rod 204 is damaged, the punching rod 204 can be replaced by disassembling the bolts and then pulling the punching rod 204 out of the mounting hole 203.

[0027] Preferably, the base 1 is fixedly connected with a fixed frame 303, the hydraulic cylinder 3 is installed on the fixed frame 303, the output end of the hydraulic cylinder 3 is fixedly connected with a pressing block 207, the two sides of the pressing block 207 are fixedly connected with sliding blocks 301, the sliding blocks 301 are slidably connected with sliding rods 302 inside, and the upper and lower ends of the sliding rods 302 are fixedly connected with the base 1 and the top side wall of the fixed frame 303, respectively.

[0028] When the hydraulic cylinder 3 drives the pressing block 207 to move up and down, the sliding blocks 301 on the two sides of the pressing block 207 also move up and down on the sliding rods 302, and the sliding rods 302 enable the pressing block 207 to move up and down without position deviation or skewing, and the pressing block 207 can move up and down smoothly.

[0029] Working principle: after the workpiece to be obliquely punched is placed on the lower die 101, the workpiece on the lower die 101 can be obliquely punched by the hole forming structure 2, the pressing block 202 can be pressed by the pressing block 207 driven by the hydraulic cylinder 3, when the pressing block 202 is pressed by the pressing block 207, the pressing block 202 moves to the fixed block 201, the pressing block 202 drives the punching rod 204 to move to the workpiece, until the punching rod 204 breaks the workpiece on the lower die 101, the punching rod 204 extends into the hole groove 102, and the punching of the workpiece is completed, when the pressing block 207 stops pressing the pressing block 202 to move up, the pressing block 202 returns to the original position under the action of the return spring 206, and the next punching work is prepared, and the pressing block 207 and the punching rod 204 are inclined, so that the output end of the punching rod 204 is in a parallel state relative to the side of the workpiece, so that the workpiece and the punching rod 204 do not form an included angle, and the workpiece and the punching rod 204 are more evenly stressed, avoiding the damage of the workpiece caused by uneven stress.

[0030] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A slanted hole irregular mold, comprising a base (1), characterized in that, A lower mold (101) is installed on the base (1). The lower mold (101) has a hole slot (102). A hole-forming structure (2) is provided on one side of the lower mold (101). The hole-forming structure (2) includes a punching rod (204). The punching rod (204) can punch the workpiece on the lower mold (101). A hydraulic cylinder (3) is provided above the hole-forming structure (2). The hydraulic cylinder (3) can apply pressure to the punching rod (204).

2. The oblique hole irregular mold according to claim 1, characterized in that, The hole-forming structure (2) further includes a fixing block (201). A pressing block (202) is slidably connected to the upper side of the fixing block (201) via a reset rod (205). A reset spring (206) is sleeved on the reset rod (205). A punching rod (204) is installed on the pressing block (202) and passes through the fixing block (201).

3. The oblique hole irregular mold according to claim 2, characterized in that, The pressing block (202) has a mounting hole (203), and the punch rod (204) is bolted inside the mounting hole (203).

4. The oblique hole irregular mold according to claim 2, characterized in that, A fixing frame (303) is fixedly connected to one side of the base (1), and a hydraulic cylinder (3) is installed on the fixing frame (303). A pressure block (207) is fixedly connected to the output end of the hydraulic cylinder (3).

5. A shaped mold with an oblique hole according to claim 4, characterized in that, The pressure block (207) and the pressing block (202) are both provided with inclined sliding surfaces on their adjacent sides. Multiple balls (2071) are installed inside one side of the pressure block (207). Multiple oil injection chambers (2072) are opened on the pressure block (207), and the oil injection chambers (2072) are connected to the balls (2071).

6. The oblique hole irregular mold according to claim 5, characterized in that, The pressure block (207) is fixedly connected to two sides of a sliding block (301), and a sliding rod (302) is slidably connected inside the sliding block (301). The upper and lower ends of the sliding rod (302) are fixedly connected to the top side wall of the base (1) and the fixed frame (303), respectively.

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