High-precision metal mold

Abstract

The utility model relates to the technical field of dies, and discloses a high-precision metal die which comprises a bottom die and a top die, a guide rod clamped with a corner structure of the top die is arranged at the top of the bottom die, and a sleeve seat is sleeved on the outer side of the bottom of the bottom die. The linkage rod piece and the straight toothed plate are matched with the top die for linkage, and the straight toothed plate transmits kinetic energy to the corresponding hollow adjusting rod piece, the composite gas transmission plate and the transmission gear composite assembly in a meshing transmission mode, so that the composite gas transmission plate and the corresponding side edge of the bottom die are rotationally sleeved in a reciprocating mode; the composite air conveying plate can synchronously receive air flow output by the double-output air pumping assembly in the rotating process and guide the air flow to the top face of the bottom die through the structure of the composite air conveying plate, then pneumatic material loosening after punching is achieved, material taking by workers and air blowing cooling on the bottom die are facilitated, and the working efficiency is improved. And the thermal wear speed of the bottom die and the top die is reduced, and the long-time high-precision operation effect is maintained.

Description

TECHNICAL FIELD

[0001] The utility model relates to mould technical field, concretely is a high-precision metal mould. BACKGROUND

[0002] Metal mould as one of mould types, its processing high-precision has been the focus of the researchers in the field and in-depth research subject, for example, the patent document of application No. CN202320978197.0, it proposes in its technical scheme " through the installation slide rail can quickly install and disassemble bottom mould, and utilize spring automatic and lift bottom mould, be favorable to the cooling of bottom mould, again through the demoulding rod fast realization part's demoulding, avoid the complex operation of disassembling bottom mould, simultaneously can fast take out bottom mould after stamping and carry out the demoulding of internal part, speed up the production of part".

[0003] However, from the actual operation experience, set up bottom mould by spring reciprocating top pressure activity's use state although theoretically can assist mould cooling, reduce the wear rate of bottom mould and top mould, but the reciprocating deformation structure characteristics of spring under pressure also can cause bottom mould to be in very unstable state in the use process, and it is not conducive to the high-precision operation of mould. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides a high-precision metal mould, which solves the problems raised in the above background art.

[0005] The utility model provides the following technical scheme: a high-precision metal mould, including bottom mould, top mould, the top of bottom mould is provided with the guide rod of with top mould corner structure joint, the outside of bottom mould bottom is equipped with the sleeve seat, and the both sides of sleeve seat are equipped with the rotatable hollow adjusting rod piece, and the middle part of two hollow adjusting rod pieces is equipped with the composite gas distribution plate of output direction towards bottom mould top surface, and the internal space of composite gas distribution plate is communicated with the internal space of corresponding hollow adjusting rod piece, the front end top of sleeve seat is installed with double output pump gas subassembly, and the two output ends in double output pump gas subassembly are respectively equipped in the front end internal of two hollow adjusting rod pieces;

[0006] The both sides of sleeve seat rear end are provided with linkage rod piece, and the top of two linkage rod pieces is connected with the both sides of top mould respectively, and the bottom of two linkage rod pieces is all transmission connection with straight toothed plate, and the rear end surface of two hollow adjusting rod pieces is all equipped with transmission gear that can be engaged with straight toothed plate transmission.

[0007] In addition, two hollow adjusting rod pieces are all composed of hollow rod body and hollow rod body end head through bearing sleeve bearing seat, and the bottom of bearing seat is fixedly installed on the top surface of sleeve seat.

[0008] The two composite gas conveying plates are hollow plate bodies, the top structure of the hollow plate body is provided with a plurality of air guide holes facing the top surface of the bottom die, the bottom of the hollow plate body is fixedly sleeved on the middle structure of the corresponding hollow rod body, and the middle structure of the hollow rod body is provided with a through groove in communication with the internal space of the hollow plate body.

[0009] The two linkage rod members each comprise a linkage curved plate, a transmission rod and a Z-shaped sleeve plate, the two ends of the transmission rod are respectively clamped in the inside of one side of the linkage curved plate and the top inside of the Z-shaped sleeve plate and are in a penetrating protruding state, the other side of the linkage curved plate is detachably installed on the corresponding side edge of the top die through screws, which facilitates subsequent maintenance and replacement, the bottom of the Z-shaped sleeve plate is fixedly connected to the top surface of the sleeve seat, and a buffer spring is installed between the surface of the bottom of the transmission rod and the bottom surface of the linkage curved plate, which uses the buffer spring as a moving buffer of the transmission rod to avoid excessive movement of the transmission rod along with the top die.

[0010] The two linkage rod members each comprise a linkage curved plate, a transmission rod and a Z-shaped sleeve plate, the two ends of the transmission rod are respectively clamped in the inside of one side of the linkage curved plate and the top inside of the Z-shaped sleeve plate and are in a penetrating protruding state, the other side of the linkage curved plate is detachably installed on the corresponding side edge of the top die through screws, which facilitates subsequent maintenance and replacement, the bottom of the Z-shaped sleeve plate is fixedly connected to the top surface of the sleeve seat, and a buffer spring is installed between the surface of the bottom of the transmission rod and the bottom surface of the linkage curved plate, which uses the buffer spring as a moving buffer of the transmission rod to avoid excessive movement of the transmission rod along with the top die.

[0011] The two linkage rod members each comprise a linkage curved plate, a transmission rod and a Z-shaped sleeve plate, the two ends of the transmission rod are respectively clamped in the inside of one side of the linkage curved plate and the top inside of the Z-shaped sleeve plate and are in a penetrating protruding state, the other side of the linkage curved plate is detachably installed on the corresponding side edge of the top die through screws, which facilitates subsequent maintenance and replacement, the bottom of the Z-shaped sleeve plate is fixedly connected to the top surface of the sleeve seat, and a buffer spring is installed between the surface of the bottom of the transmission rod and the bottom surface of the linkage curved plate, which uses the buffer spring as a moving buffer of the transmission rod to avoid excessive movement of the transmission rod along with the top die.

[0012] The two linkage rod members each comprise a linkage curved plate, a transmission rod and a Z-shaped sleeve plate, the two ends of the transmission rod are respectively clamped in the inside of one side of the linkage curved plate and the top inside of the Z-shaped sleeve plate and are in a penetrating protruding state, the other side of the linkage curved plate is detachably installed on the corresponding side edge of the top die through screws, which facilitates subsequent maintenance and replacement, the bottom of the Z-shaped sleeve plate is fixedly connected to the top surface of the sleeve seat, and a buffer spring is installed between the surface of the bottom of the transmission rod and the bottom surface of the linkage curved plate, which uses the buffer spring as a moving buffer of the transmission rod to avoid excessive movement of the transmission rod along with the top die.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. The utility model discloses a linkage link, straight toothed plate cooperation top die linkage and make straight toothed plate with kinetic energy is driven to the corresponding hollow adjusting rod piece, composite gas delivery board, transmission gear composite assembly in the way of meshing transmission, and then make composite gas delivery board and bottom die corresponding side reciprocating rotation suit, avoid composite gas delivery board to the top die of stamping interference, and composite gas delivery board can receive the airflow that double output pump gas assembly outputs in the rotation process and through the guiding of its structure to the top surface of bottom die, and then realize the stamping after pneumatic loose material, convenient for staff to take material and the air blowing cooling of bottom die, reduce the thermal wear rate of bottom die, top die, maintain long time high-precision operation effect.

[0015] 2. The utility model discloses the linkage link between bottom die, and the bottom die between sleeve seat all adopt the mode of detachable installation, therefore can carry out modular replacement maintenance to sleeve seat and the structure associated with sleeve seat after the damage of subsequent sleeve seat or the structure associated with sleeve seat. ACCURACY

[0016] Figure 1 It is the three-dimensional schematic view of the utility model structure;

[0017] Figure 2 It is the front view schematic view of the utility model structure;

[0018] Figure 3 It is the three-dimensional schematic view of the utility model structure sleeve seat;

[0019] Figure 4 It is the partial enlarged schematic view of the utility model structure hollow adjusting rod piece;

[0020] Figure 5 It is the partial sectional view schematic view of the utility model structure composite gas delivery board;

[0021] Figure 6 It is the enlarged schematic view of the utility model structure straight toothed plate.

[0022] In the drawing: 1, bottom die;2, top die;3, guide rod;4, sleeve seat;5, hollow adjusting rod piece;51, hollow rod body;52, bearing seat;6, composite gas delivery board;61, hollow plate body;62, gas guide hole;7, linkage link;71, linkage curved plate;72, transmission rod;73, Z-shaped sleeve plate;74, buffer spring;8, straight toothed plate;9, transmission gear;10, air pump;11, Y-shaped pipe. DETAILED DESCRIPTION

[0023] The technical solutions 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, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0024] Please refer to Figures 1-6 A high-precision metal mold, comprising a bottom die 1, a top die 2, the top of the bottom die 1 is provided with a guide rod 3 connected with the corner structure of the top die 2, the outside of the bottom of the bottom die 1 is sleeved with a sleeve seat 4, the top surface of the two sides of the sleeve seat 4 is fixedly connected with a combination plate, the combination plate is detachably installed on the corresponding side of the bottom die 1 through screws, thereby providing favorable conditions for the modular replacement or maintenance of the sleeve seat 4 and the plurality of structures provided on the top of the sleeve seat 4, and the two sides of the sleeve seat 4 are both installed with rotatable hollow adjusting rod pieces 5, the two hollow adjusting rod pieces 5 are both composed of a hollow rod body 51 and a bearing seat 52 sleeved with a bearing at the end of the hollow rod body 51, and the bottom of the bearing seat 52 is fixedly installed on the top surface of the sleeve seat 4;

[0025] The middle part of the two hollow adjusting rod pieces 5 is sleeved with a composite gas delivery plate 6 with the output direction towards the top surface of the bottom die 1, and the internal space of the composite gas delivery plate 6 is communicated with the internal space of the corresponding hollow adjusting rod piece 5, and the two composite gas delivery plates 6 both comprise a hollow plate body 61, a plurality of gas guide holes 62 towards the top surface of the bottom die 1 are formed in the top structure of the hollow plate body 61, the bottom of the hollow plate body 61 is fixedly sleeved on the middle structure of the corresponding hollow rod body 51, and the middle structure of the hollow rod body 51 is provided with a through groove communicated with the internal space of the hollow plate body 61;

[0026] The front end top of the sleeve seat 4 is installed with a double-output gas pump assembly, and the two output ends in the double-output gas pump assembly are respectively sleeved in the front end inside of the two hollow adjusting rod pieces 5;

[0027] The double-output gas pump assembly comprises a Y-shaped pipe 11 and an air pump 10, the air pump 10 is installed on the top surface of the front end of the sleeve seat 4, the output end of the air pump 10 is connected with one end inside the Y-shaped pipe 11, and the remaining two ends of the Y-shaped pipe 11 are respectively sleeved in the front end inside of the two hollow rod bodies 51, thereby the Y-shaped pipe 11, the air pump 10 and the two hollow adjusting rod pieces 5 and the two composite gas delivery plates 6 are combined for use to perform mold cooling and pneumatic charging operation, and a sealing ring is installed at the sleeving position of the internal end of the Y-shaped pipe 11 and the front end inside of the hollow rod body 51, so as to ensure the sealing property of the connection between the Y-shaped pipe 11 and the hollow rod body 51,

[0028] The two sides of the rear end of the sleeve seat 4 are provided with linkage rod members 7, the top of the two linkage rod members 7 is connected with the two sides of the top die 2 respectively, and the bottom of the two linkage rod members 7 is drivingly connected with a straight toothed plate 8, and the rear end surface of the two hollow adjusting rod members 5 is sleeved with a transmission gear 9 capable of meshing transmission with the straight toothed plate 8;

[0029] The two linkage rod members 7 each comprise a linkage curved plate 71, a transmission rod 72 and a Z-shaped sleeve plate 73, the two ends of the transmission rod 72 are respectively clamped in the inside of one side of the linkage curved plate 71 and the inside of the top of the Z-shaped sleeve plate 73 and are in a penetrating protruding state, the other side of the linkage curved plate 71 is detachably installed on the corresponding side of the top die 2 through a screw, facilitating subsequent maintenance and replacement, the bottom of the Z-shaped sleeve plate 73 is fixedly connected to the top surface of the sleeve seat 4, the buffer spring 74 is installed between the surface of the bottom of the transmission rod 72 and the bottom surface of the linkage curved plate 71, the buffer spring 74 is used as a moving buffer of the transmission rod 72, avoiding excessive movement of the transmission rod 72 along with the top die 2, the end of the bottom of each transmission rod 72 is drivingly connected with the top of each straight toothed plate 8, the rear end of the sleeve seat 4 is provided with a displacement slot, the two displacement slots are aligned with the two transmission gears 9 respectively, the displacement slots provide an anti-interference space for the reciprocating movement of the transmission gears 9, avoiding structural interference.

[0030] Working principle:

[0031] Embodiment one

[0032] The raw material blank is placed on the top of the bottom die 1, the top die 2 is driven by the existing lifting device to stamp and form the raw material blank on the top surface of the bottom die 1, and in the descending process of the top die 2, the linkage curved plate 71, the transmission rod 72 and the buffer spring 74 in the two linkage rod members 7 and the straight toothed plate 8 installed at the bottom of the two transmission rods 72 are driven to move downward, then the two straight toothed plates 8 mesh with and drive the two transmission gears 9 respectively, so that the two transmission gears 9 drive the two hollow rod bodies 51 and the composite gas distribution plates 6 in the middle of the two hollow rod bodies 51 to rotate and displace synchronously, avoiding interference with the stamping process of the top die 2, and after the two transmission gears 9 move to the top surface of the existing workbench, the two buffer springs 74 are deformed to displace, and then the linkage curved plate 71 moving with the top die 2 is clamped with the corresponding transmission rod 72 to displace, avoiding excessive displacement of the transmission rod 72;

[0033] After the stamping of the top die 2 is finished, the top die 2 is reset, and during the upward movement of the top die 2, the two linkage rods 7, the two straight toothed plates 8 and the two transmission gears 9 are synchronously reset and moved, finally making the two composite air conveying plates 6 reset, then starting the air pump 10, and the air pump 10 sends air to the inside of the two hollow adjusting rods 5 and the two composite air conveying plates 6 through the Y-shaped pipe 11, and the air finally blows into the connecting gap between the top surface of the bottom die 1 and the top side edge structure of the formed workpiece through the air guide holes 62 in the two composite air conveying plates 6, thereby loosening the formed workpiece in the bottom die 1, facilitating subsequent material taking, and during the air blowing process, the bottom die 1 is also synchronously cooled, reducing the wear speed caused by subsequent frictional heating.

[0034] Example two

[0035] For the bottom die 1 and the top die 2 that are used for a long time and obviously heated, the air running cooling operation can be added after one processing cycle without processing workpieces, and during the reciprocating stamping process of the top die 2 and the bottom die 1, the two composite air conveying plates 6 are also reciprocally rotated and sleeved with the side edge of the bottom die 1 under the cooperation of the two linkage rods 7, the two straight toothed plates 8, the two transmission gears 9 and the two hollow adjusting rods 5, and at the same time, the air pump 10 is started, and the air pump 10 sends air to the inside of the two hollow adjusting rods 5 and the two composite air conveying plates 6 through the Y-shaped pipe 11, and the air finally alternately outputs cooling towards the bottom die 1 and the top die 2 along with the continuously rotating two composite air conveying plates 6, meeting the auxiliary cooling needs of the bottom die 1 and the top die 2.

[0036] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Also, in the drawings, the same reference numerals are used to designate like elements throughout the several views.

[0037] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the changes, substitutions, modifications, and alterations can be made without departing from the spirit and scope of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A high-precision metal mold comprising a bottom mold (1) and a top mold (2), a guide rod (3) being provided at the top of the bottom mold (1) and being clamped with the corner structure of the top mold (2), characterized in that: The bottom of the bottom die (1) is sleeved with a sleeve seat (4), and both sides of the sleeve seat (4) are provided with rotatable hollow adjusting rod members (5). The middle parts of the two hollow adjusting rod members (5) are sleeved with composite gas delivery plates (6) with output directions towards the top surface of the bottom die (1), and the internal spaces of the composite gas delivery plates (6) are communicated with the internal spaces of the corresponding hollow adjusting rod members (5). The front end top of the sleeve seat (4) is provided with a double-output gas pump assembly, and the two output ends in the double-output gas pump assembly are respectively sleeved in the front ends of the two hollow adjusting rod members (5). The rear ends of the sleeve seat (4) are provided with linkage rod members (7), the top parts of the two linkage rod members (7) are respectively connected with the two sides of the top die (2), and the bottom parts of the two linkage rod members (7) are respectively drivingly connected with straight tooth plates (8). The rear end surfaces of the two hollow adjusting rod members (5) are respectively sleeved with driving gears (9) capable of being drivingly engaged with the straight tooth plates (8).

2. The high-precision metal mold according to claim 1, characterized by: The two hollow adjusting rod members (5) are respectively composed of hollow rod bodies (51) and bearing seats (52) sleeved with bearings at the end heads of the hollow rod bodies (51). The bottom parts of the bearing seats (52) are fixedly installed on the top surface of the sleeve seat (4).

3. The high-precision metal mold according to claim 2, characterized by: The two composite gas delivery plates (6) respectively include hollow plate bodies (61). The top structure of the hollow plate body (61) is provided with a plurality of gas guide holes (62) towards the top surface of the bottom die (1). The bottom part of the hollow plate body (61) is fixedly sleeved on the middle structure of the corresponding hollow rod body (51), and the middle structure of the hollow rod body (51) is provided with a through groove communicated with the internal space of the hollow plate body (61).

4. The high-precision metal mold according to claim 1, characterized by: The two linkage rod members (7) respectively include linkage curved plates (71), driving rods (72) and Z-shaped sleeve plates (73). The two ends of the driving rod (72) are respectively clamped in the inside of one side of the linkage curved plate (71) and the top inside of the Z-shaped sleeve plate (73) and are in a penetrating and protruding state. The other side of the linkage curved plate (71) is detachably installed on the corresponding side of the top die (2) through screws. The bottom part of the Z-shaped sleeve plate (73) is fixedly connected on the top surface of the sleeve seat (4). The surface of the bottom part of the driving rod (72) is provided with a buffer spring (74) between the bottom surface of the linkage curved plate (71).

5. The high-precision metal mold according to claim 4, characterized by: The end heads of the bottom parts of the two driving rods (72) are respectively drivingly connected with the top parts of the two straight tooth plates (8). The rear ends of the sleeve seat (4) are respectively provided with accommodating grooves, and the two accommodating grooves are respectively aligned with the two driving gears (9).

6. The high-precision metal mold according to claim 2, characterized by: The double-output gas pump assembly includes a Y-shaped pipe (11) and an air pump (10). The air pump (10) is installed on the top surface of the front end of the sleeve seat (4), and the output end of the air pump (10) is connected with one end inside the Y-shaped pipe (11). The remaining two ends of the Y-shaped pipe (11) are respectively sleeved in the front inside of the two hollow rod bodies (51), and the sleeving part of the inside end head of the Y-shaped pipe (11) and the front inside of the hollow rod body (51) is provided with a shaft sealing ring.

7. The high-precision metal mold according to claim 1, characterized by: The top surface of the two sides of the sleeve (4) is fixedly connected with a combination plate, which is detachably installed on the corresponding side of the bottom die (1) through screws.

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