Rotary die clamping device

Abstract

The utility model relates to the technical field of die clamping devices for stamping, in particular to a rotary die clamping device. The device comprises a seat body and a positioning rod, the upper end of the seat body is connected with a cylinder body, the lower end of the positioning rod is provided with a side convex block, the bottom of the seat body is provided with an inner groove, and the upper end of the positioning rod penetrates through the inner groove and the seat body to enter the cylinder body; the positioning rod is sleeved with a lower piston, the upper end of the positioning rod is fixedly connected with a lead screw, and the lead screw is sleeved with a main piston. An oil way is arranged below the lower piston; the cylinder body is provided with a first gas circuit and a second gas circuit, the first gas circuit is communicated with the space of the lower portion of the main piston and the space of the upper portion of the lower piston, and the second gas circuit is communicated with the space of the upper portion of the main piston. The lower part of the lower piston is filled with oil and discharged by ventilating and exhausting the interior of the cylinder body; and the positioning rod can be driven to rotate, lift and move, so that the mold is clamped.

Description

TECHNICAL FIELD

[0001] The utility model relates to punch clamp die technology field, especially a rotary clamp die. BACKGROUND

[0002] In the stamping technical field, need to use to clamp die, for fixing the die on the punch, the existing clamp die, general structure is bigger, inconvenient to use.

[0003] Therefore, based on the defects of the existing clamp die, the existing clamp die needs to be improved. CONTENT OF THE UTILITY MODEL

[0004] The utility model discloses a rotary clamp die which solves the defects of the existing clamp die, such as inconvenient use.

[0005] To achieve the above object, the utility model is realized through the following technical scheme.

[0006] A rotary clamp die, including the seat body, the positioning rod, the seat body upper end is connected with the cylinder body, the positioning rod's lower extreme has the side boss, the seat body's bottom is seted up with the recess, the positioning rod's upper end passes through the recess, the seat body and enters the cylinder body, positioning rod is equipped with the lower piston on, and the upper end fixed connection screw rod of positioning rod is equipped with the main piston on the screw rod, and the lower piston below is equipped with the oil circuit, and the cylinder body is provided with first gas path, second gas path, and first gas path is communicated with the space of the lower part of main piston, the upper part of lower piston, and second gas path is communicated with the space of the upper part of main piston.

[0007] Further, the screw rod is equipped with the fixed base, and the fixed base upper end is connected with the main piston, and the main piston can be lifted relative to the screw rod.

[0008] Further, the screw rod upper end is connected with the connecting rod, and the connecting rod passes out of the cylinder body, and the connecting rod is lifted together with the screw rod.

[0009] Further, the upper end of the cylinder body is provided with an inductor, and the inductor is located beside the connecting rod, for sensing the position of the connecting rod, to determine the position of the positioning rod.

[0010] Further, the connecting rod is equipped with the middle piston and the inner sleeve, and the bottom of the inner sleeve is movably abutted with the top of the screw rod, and the middle piston and the inner sleeve can be relatively moved with the connecting rod.

[0011] Further, the main piston is provided with a through hole in the middle for passing the connecting rod, and the middle part of the main piston has a receiving groove along the axial direction, and the middle piston is movably located in the receiving groove, and the outer side surface of the inner sleeve is in contact with the side wall of the through hole of the main piston, and the middle piston and the inner sleeve can be moved relative to the main piston, so as to press down the screw rod.

[0012] The upper portion of the seat body is provided with a moving groove, and the lower piston is movably arranged in the moving groove.

[0013] The beneficial effect of the utility model lies in: through ventilation and exhaust inside the cylinder body, oil filling and oil discharge below the lower piston; the positioning rod can be driven to move up and down, so that the mold is clamped, and the utility model is very convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0015] Figure 2 It is a sectional view schematic view of the utility model.

[0016] Label and explanation:

[0017] Seat body 1, cylinder body 2, inner groove 3, positioning rod 4, lower piston 5, screw rod 6, fixed seat 7, main piston 8, middle piston 9, inner sleeve 10, connecting rod 11, inductor 12, first gas path 13, oil path 14, second gas path 15. CONCRETE IMPLEMENTATION

[0018] The utility model will be further described below in combination with the drawings.

[0019] See Figure 1 --- Figure 2 The utility model discloses a rotary mold clamp, which comprises a seat body 1 and a positioning rod 4, the upper end of the seat body 1 is connected with a cylinder body 2, and the lower end of the positioning rod 4 is provided with a side protruding block for fixing the bottom edge of a mold.

[0020] The utility model discloses a rotary mold clamp, which comprises a seat body 1 and a positioning rod 4, the upper end of the seat body 1 is connected with a cylinder body 2, and the lower end of the positioning rod 4 is provided with a side protruding block for fixing the bottom edge of a mold.

[0021] The upper portion of the seat body 1 of the utility model is provided with a moving groove, and the lower piston 5 is movably arranged in the moving groove.

[0022] The moving groove of the seat body 1 of the utility model is communicated with an oil path 14.

[0023] The bottom of the seat body 1 of the utility model is provided with an inner groove 8 for accommodating the side protruding block of the positioning rod 4.

[0024] The upper end of the screw rod 6 of the utility model is connected with a connecting rod 11, the connecting rod 11 penetrates out of the cylinder body 2, the upper end of the cylinder body 2 is provided with an inductor 12, and the inductor 12 is used for sensing the position of the connecting rod 11, so as to judge the position of the positioning rod 4.

[0025] The utility model discloses a connecting rod 11 outer cover is equipped with middle piston 9, inner cover 10, and the bottom of inner cover 10 is in contact with the top of screw rod 6.

[0026] The utility model discloses the middle of main piston 8 is through -hole for wearing connecting rod 11, and the middle part of main piston 8 has the accommodating groove along the axial direction, and middle piston 9 is located in the accommodating groove, and the outside surface of inner cover 10 is in contact with the lateral wall of the through -hole of main piston 8.

[0027] The utility model discloses the first gas path 13 of cylinder body 2 upper end is provided with, second gas path 15, and the first gas path 13 is in space communication with the lower part of main piston 8, the upper part of lower piston 5, and second gas path 15 is in space communication with the upper part of main piston 8.

[0028] The utility model discloses the removal groove of seat body 1 carries out oil discharge, and the pressure to lower piston 5 is released, then by the first gas path 13, the cylinder body 2 is ventilated, and lower piston 5 is moved and is close to the bottom of removal groove, and simultaneously, fixed seat 7, main piston 8 move upwards, drive screw rod 6 rotation and rise, drive positioning rod 4 rotation and rise, until the bottom end protruding block of positioning rod 4 is retracted in inner recess 3.

[0029] The utility model discloses the first gas path 13 exhausts and keeps certain pressure, and second gas path 15 is ventilated to the cylinder body 2, first make main piston 8, fixed seat 7 move down, drive screw rod 6, positioning rod 4 rotation and move down, pull down connecting rod 11 and move down, and positioning rod 4 rotates and moves out from inner recess 3, then main piston 8, fixed seat 7 basically do not move down again, and middle piston 9 moves down, drive inner cover 10, screw rod 6, positioning rod 4 continue to move down, and screw rod 6, positioning rod 4 rotate and move down, and the lower end side protruding block of positioning rod 4 holds the bottom of mould at this time, and now fills oil through oil circuit 14, and lower piston 5 moves up, and keeps the clamping force of positioning rod 4.

[0030] Of course, the above-mentioned embodiment is only the preferred example of the utility model, and is not limited to the scope of the utility model, so that the equivalent changes or modifications made according to the structure, features and principles described in the utility model patent application scope should be included in the utility model patent application scope.

Claims

1. A rotary die clamp, characterized by: The utility model relates to a kind of cylinder positioning device, including seat body, positioning rod, the upper end of seat body is connected with cylinder body, the lower end of positioning rod has side protrusion, the bottom of seat body is set with inner groove, the upper end of positioning rod passes through inner groove, seat body enters into cylinder body;Lower piston is set on positioning rod, the upper end of positioning rod is fixedly connected with screw rod, main piston is set on screw rod;Lower piston is equipped with oil passage below;Cylinder body is provided with first gas path, second gas path, first gas path is communicated with the space of the lower portion of main piston, the upper portion of lower piston, second gas path is communicated with the space of the upper portion of main piston.

2. A rotary die holder according to claim 1, wherein: The screw rod is provided with a fixing seat, and the upper end of the fixing seat is connected with the main piston.

3. A rotary die holder according to claim 1, wherein: The screw rod is connected with a connecting rod, and the connecting rod penetrates the cylinder body.

4. A rotary die holder according to claim 3, wherein: The upper end of the cylinder body is provided with an inductor, and the inductor is located beside the connecting rod.

5. A rotary die holder according to claim 3, wherein: The connecting rod is provided with an intermediate piston and an inner sleeve, and the bottom of the inner sleeve is movably abutted with the top of the screw rod.

6. A rotary die holder according to claim 5, wherein: The main piston is provided with a through hole in the middle for penetrating the connecting rod, and the middle of the main piston has a receiving groove along the axial direction, the intermediate piston is movably located in the receiving groove, and the outer side of the inner sleeve is in contact with the side wall of the through hole of the main piston.

7. A rotary die holder according to claim 1, wherein: The upper part of the seat body is provided with a moving groove, and the lower piston is movably arranged in the moving groove, and the outlet of the oil passage is located at the bottom of the moving groove.

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