Metal mold cutting tool

Abstract

The utility model relates to the technical field of die cutting, and discloses a metal die cutting tool which comprises a hydraulic rod, an output shaft of the hydraulic rod is fixedly connected with a protective shell, and an angle adjusting structure is arranged outside the protective shell. According to the metal mold cutting tool, by arranging the angle adjusting structure, through the design of a spring, a movable gear ring and a fixed gear ring, rapid adjustment and reliable locking of the nozzle angle are achieved, meshing of the gear ring can be relieved by pressing a supporting plate to compress the spring, and after a supporting rod is rotated to adjust the angle, the spring is released, and the gear ring is meshed and locked again; the cutting machine is compatible with cutting points corresponding to cutting knives of different sizes, the nozzle angle adjusting structure can be dynamically matched with the cutting angle, cooling blind areas or liquid waste caused by angle deviation of the nozzle are avoided, and the cooling efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to die cutting technical field, concretely is a metal die cutting frock. BACKGROUND

[0002] The die cutting frock is the equipment that is used specially to cutting processing of metal die, and the main role is through accurate structure design and function configuration, realizes the efficient, accurate cutting of metal die, satisfies the processing demand of metal die in industrial production.

[0003] But in the existing equipment, the cutting process will produce high temperature and cause the die temperature to rise to lead to the die size error, therefore, a kind of metal die cutting frock is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0004] In view of the deficiency of prior art, the utility model provides a kind of metal die cutting frock, with the advantages of die cooling and nozzle angle adjustment, solve the size error problem caused by heat change of die in cutting process.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of metal die cutting frock, including hydraulic rod, the hydraulic rod output shaft is fixedly connected with protective housing, the inside of the protective housing is provided with cutting knife, the bottom of the cutting knife is provided with operation table, the inside of the operation table is fixedly connected with servo motor, the output shaft of the servo motor is fixedly connected with threaded rod, the threaded rod is threadedly connected with bearing, the outside of the protective housing is provided with angle adjusting structure;

[0006] The angle adjusting structure includes shell, the shell is fixedly connected with protective housing, the shell is equipped with spring, the right end of the spring is fixedly connected with support plate, the right side of the support plate is provided with movable gear ring, the right side of the movable gear ring is fixedly connected with support rod, the shell port corresponds movable gear ring and is fixed with fixed gear ring, the right side of the support rod is fixedly connected with nozzle, the top of the nozzle is fixedly connected with cooling liquid transmission pipe.

[0007] Preferably, a U-shaped ring groove is formed in the support plate, and the movable gear ring is movably connected to the U-shaped ring groove of the support plate through the connecting head.

[0008] Preferably, the right side of the movable gear ring and the left side of the fixed gear ring are provided with teeth that can mesh with each other.

[0009] Preferably, a first circular hole is formed in the middle of the fixed gear ring, and the support rod is fixedly connected with the nozzle by penetrating the first circular hole.

[0010] Preferably, a bearing is fixedly connected to the left side wall of the operation table, and the threaded rod is fixedly connected to the inner ring of the bearing.

[0011] Further, the clamping plates are two in number, and the threaded rod is provided with a right thread segment and a reverse thread segment, and the right thread segment and the reverse thread segment are respectively in threaded connection with the two clamping plates.

[0012] Compared with the prior art, the technical scheme has the following beneficial effects:

[0013] The metal mold cutting tool can quickly adjust and reliably lock the nozzle angle through the design of the angle adjusting structure, the spring, the movable tooth ring and the fixed tooth ring, the tooth ring meshing can be released by compressing the spring of the pressing support plate, the spring is released after the angle is adjusted by rotating the support rod, the tooth ring is re-meshed and locked, different sizes of cutting knives corresponding to cutting points are compatible, the cooling blind area or liquid waste caused by angle deviation of the traditional fixed nozzle is avoided, and the cooling efficiency is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a front view of the structure of the utility model;

[0015] Figure 2 It is a front view of the structure of the utility model;

[0016] Figure 3 It is a left view of the structure of the utility model;

[0017] Figure 4 It is a Figure 3 It is an enlarged view of A in the middle;

[0018] Figure 5 It is a left view of the structure of the utility model;

[0019] In the figure: 1, hydraulic rod; 2, protective shell; 3, cutting knife; 4, angle adjusting structure; 401, shell; 402, spring; 403, support plate; 404, movable tooth ring; 405, support rod; 406, fixed tooth ring; 4061, first circular hole; 5, nozzle; 6, operation table; 7, servo motor; 8, threaded rod; 801, right thread segment; 802, reverse thread segment; 9, clamping plate; 10, bearing; 11, cooling liquid transmission pipe. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only 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 those skilled in the art without creative labor belong to the protection scope of the utility model.

[0021] Please refer to Figures 1-5 The metal mold cutting tool in the embodiment comprises a hydraulic rod 1, the output shaft of the hydraulic rod 1 is fixedly connected with a protective shell 2, the inside of the protective shell 2 is provided with a cutting knife 3, the bottom of the cutting knife 3 is provided with an operation table 6, the inside of the operation table 6 is fixedly connected with a servo motor 7, the output shaft of the servo motor 7 is fixedly connected with a threaded rod 8, the threaded rod 8 is threadedly connected with a bearing 10, and the outside of the protective shell 2 is provided with an angle adjusting structure 4.

[0022] The angle adjusting structure 4 comprises an outer shell 401, the outer shell 401 is fixedly connected with the protective shell 2, the outer shell 401 is provided with a spring 402 inside, the right end of the spring 402 is fixedly connected with a supporting plate 403, the right side of the supporting plate 403 is provided with a movable gear ring 404, the right side of the movable gear ring 404 is fixedly connected with a supporting rod 405, the outer shell 401 is fixedly provided with a fixed gear ring 406 corresponding to the movable gear ring 404, the right side of the supporting rod 405 is fixedly connected with a nozzle 5, and the top of the nozzle 5 is fixedly connected with a cooling liquid transmission pipe 11.

[0023] A U-shaped ring groove is formed in the supporting plate 403, and the end face of the movable gear ring 404 is movably connected to the U-shaped groove of the supporting plate 403 through a connecting head, so as to realize the rotary connection of the movable gear ring 404 and the supporting plate 403, limit the axial displacement of the movable gear ring 404, and ensure the smoothness of the circumferential rotation, thereby providing stable rotary support for angle adjustment.

[0024] The right side of the movable gear ring 404 and the left side of the fixed gear ring 406 are provided with teeth that can mesh with each other, the teeth surfaces are used to realize accurate positioning and locking of the angle, when the movable gear ring 404 and the fixed gear ring 406 are meshed, the angle of the supporting rod 405 and the nozzle 5 can be locked, the spring 402 is used to push the movable gear ring 404 and the fixed gear ring 406 to separate and unlock during angle adjustment, and the spring 402 is released after adjustment to reengage and lock, thereby realizing the dual functions of rapid adjustment and reliable locking and meeting the cooling requirements under different cutting angles.

[0025] A first circular hole 4061 is formed in the inside of the fixed gear ring 406, the supporting rod 405 penetrates through the first circular hole 4061 and is fixedly connected with the nozzle 5, the first circular hole 4061 provides axial guidance for the supporting rod 405, ensures that the supporting rod 405 always rotates around the center of the fixed gear ring 406 during angle adjustment, and avoids the nozzle 5 from deviating from the cutting point.

[0026] The left side wall of the operation table 6 is fixedly connected with the bearing 10, the threaded rod 8 is fixedly connected with the inner ring of the bearing 10, the rolling friction of the bearing 10 significantly reduces the rotation resistance of the threaded rod 8, reduces the load of the servo motor 7, and avoids thread wear caused by rigid contact.

[0027] The cutting tool also includes clamping plates 9, the number of which is two, the threaded rod 8 is provided with a right thread segment 801 and a reverse thread segment 802, and the right thread segment 801 and the reverse thread segment 802 are respectively in threaded connection with the two clamping plates 9. The right and reverse threads are designed so that when the threaded rod 8 rotates, the two clamping plates 9 move synchronously towards or reversely along the operation table 6, realizing symmetrical clamping of the mold and avoiding positioning deviation of the mold caused by unilateral force.

[0028] In implementation, as shown in Figure 5 A circle of teeth is arranged outside the fixed tooth ring 406, which is exactly meshed with the teeth arranged on the movable tooth ring 404. In the initial state, the spring 402 presses the movable tooth ring 404 tightly on the fixed tooth ring 406 through the support plate 403, at this time, the movable tooth ring 404 is meshed with the fixed tooth ring 406, and is in the locking device.

[0029] In implementation, the following steps are taken:

[0030] 1) First, start the power supply of the equipment, then select the appropriate cutting knife 3 according to the size of the mold to be cut, and install it in the protective shell 2;

[0031] 2) Then place the metal mold on the operation table 6, start the servo motor 7, drive the threaded rod 8 to rotate, and drive the two clamping plates 9 to move synchronously towards each other through the right thread segment 801 and the reverse thread segment 802 until the mold is clamped, then control the hydraulic rod 1 to extend and retract, drive the protective shell 2 and the cutting knife 3 to ascend and descend, and adjust the initial distance between the cutting knife 3 and the surface of the mold;

[0032] 3) Then adjust the angle of the nozzle 5 according to the size of the cutting knife 3 and the cutting angle requirement, specifically, press the support plate 403 inward through the nozzle 5, so that the spring 402 is compressed, the movable tooth ring 404 is separated from the fixed tooth ring 406, after rotating the nozzle 5 to the required position, release the nozzle 5, the spring 402 resets, and pushes the movable tooth ring 404 to reengage with the fixed tooth ring 406, thereby completing the angle adjustment and locking of the nozzle 5;

[0033] 4) Finally, open the cooling liquid delivery pipe 11, deliver the cooling liquid to the nozzle 5 through the high-pressure pump, confirm that the cooling liquid is precisely sprayed at the cutting point, and then start the cutting knife 3.

[0034] In summary, the metal mold cutting tooling, by setting an angle adjustment structure 4 and utilizing the design of a spring 402 plus a movable tooth ring 404 plus a fixed tooth ring 406, can achieve rapid adjustment and reliable locking of the angle of the nozzle 5. Pressing the support plate 403 to compress the spring 402 can release the tooth ring engagement, and after rotating the support rod 405 to adjust the angle, the spring 402 is released, and the movable tooth ring 404 and the fixed tooth ring 406 are re-engaged and locked, which is compatible with the cutting points corresponding to cutting knives of different sizes; by setting the nozzle 5 angle adjustment structure 4, it can dynamically adapt to the cutting angle, and cooperate with the guiding effect of the first circular hole 4061 on the support rod 405 to ensure that the coolant is always accurately sprayed at the cutting point, avoiding cooling blind spots or liquid waste due to angle deviation, and greatly improving the cooling efficiency.

[0035] Although the 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 variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A metal mold cutting tool, comprising a hydraulic rod (1), characterized in that: The output shaft of the hydraulic rod (1) is fixedly connected to a protective shell (2), a cutting knife (3) is provided inside the protective shell (2), an operating table (6) is provided at the bottom of the cutting knife (3), a servo motor (7) is fixedly connected inside the operating table (6), an output shaft of the servo motor (7) is fixedly connected to a threaded rod (8), the threaded rod (8) is threadedly connected to a bearing (10), and an angle adjustment structure (4) is provided outside the protective shell (2); The angle adjustment structure (4) comprises a shell (401), the shell (401) is fixedly connected to the protective shell (2), a spring (402) is provided in the shell (401), the right end of the spring (402) is fixedly connected to a support plate (403), a movable tooth ring (404) is provided on the right side of the support plate (403), the right side of the movable tooth ring (404) is fixedly connected to a support rod (405), a fixed tooth ring (406) is fixedly provided at a port of the shell (401) corresponding to the movable tooth ring (404), the right side of the support rod (405) is fixedly connected to a nozzle (5), and the top of the nozzle (5) is fixedly connected to a coolant transmission pipe (11).

2. A metal mold cutting tool according to claim 1, characterized in that: A U-shaped annular groove is provided on the support plate (403), and the end surface of the movable gear ring (404) is movably fitted in the U-shaped annular groove of the support plate (403) via a connecting head.

3. The metal mold cutting tool according to claim 1, characterized in that: The right side of the movable gear ring (404) and the left side of the fixed gear ring (406) are provided with teeth that can mesh with each other.

4. The metal mold cutting tool according to claim 1, characterized in that: A first circular hole (4061) is provided in the middle of the fixed gear ring (406), and the support rod (405) passes through the first circular hole (4061) and is fixedly connected to the nozzle (5).

5. The metal mold cutting tool according to claim 1, characterized in that: A bearing (10) is fixedly connected to the left side wall of the operating table (6), and the threaded rod (8) is fixedly connected to the inner ring of the bearing (10).

6. The metal mold cutting tool according to claim 1, characterized in that: It also includes two clamping plates (9), and the threaded rod (8) is provided with a positive thread segment (801) and a negative thread segment (802). The positive thread segment (801) and the negative thread segment (802) are respectively threadedly connected to the two clamping plates (9).

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