CN215657242U

CN215657242U - Punching machine tool with cooling device

Info

Publication number: CN215657242U
Application number: CN202120678224.3U
Authority: CN
Inventors: 刘亚明
Original assignee: Changzhou Sanfeng Metal Die Casting Co ltd
Current assignee: Changzhou Sanfeng Metal Die Casting Co ltd
Priority date: 2021-04-02
Filing date: 2021-04-02
Publication date: 2022-01-28
Anticipated expiration: 2031-04-02

Abstract

The utility model relates to the technical field of punching machine tools, in particular to a punching machine tool with a cooling device, which comprises: the machine tool component comprises a bottom cabinet, a workbench, a stand column, an upper mounting plate and a lower mounting plate; the stamping assembly comprises an upper die fixedly connected to the lower mounting plate and a lower die fixedly connected to the workbench; the cooling device comprises a liquid storage tank, an upper cooling cavity and a lower cooling cavity are respectively arranged in the upper die and the lower die, the upper end of the liquid storage tank is respectively connected with the upper cooling cavity and the lower cooling cavity through liquid inlet pipelines, a liquid outlet pipeline is fixedly connected to the lower end of the liquid storage tank, one end of the liquid outlet pipeline is communicated with the liquid storage tank, and the other end of the liquid outlet pipeline is communicated with the upper cooling cavity and the lower cooling cavity respectively. The stamping machine tool with the cooling device can cool the stamping die, prevent high temperature from influencing the performance of a workpiece, and avoid the high temperature from damaging the die, thereby prolonging the service life of the die and improving the quality of the workpiece.

Description

Punching machine tool with cooling device

Technical Field

The utility model relates to the technical field of punching machine tools, in particular to a punching machine tool with a cooling device.

Background

Pressing is a press working method in which a material is pressed at room temperature by a die mounted on a press to be separated or plastically deformed, thereby obtaining a desired part. The stamping die is a special process equipment for processing materials into parts (or semi-finished products) in cold stamping processing. Among them, the high-speed precision stamping process is a mature technology widely applied in the manufacturing process of parts in the electronic industry, but because of the motion production under the high-speed condition, the stamping die will generate "heat" after high-speed friction, which has existed in the industry for a long time, and the generation of "heat" will cause some problems as follows:

1. after the stamping die generates heat under high-speed operation, the stamping head in the stamping convex die is frequently broken, so that frequent maintenance and replacement are required, and the cost of the stamping die is increased and quality control and management holes are caused.

2. Because the problem of "heat" can not be effectively improved, the material selection of the stamping part is limited, so that the material cost cannot be effectively reduced, such as being limited to stainless steel, copper and the like.

Therefore, the mold temperature is too high in the actual production process, which affects the performance of the workpiece and damages the mold, and further causes the problems of shortening the service life of the mold and reducing the quality of the workpiece.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: in order to solve the technical problems that the temperature of a stamping die is increased in the production process in the prior art, so that the die is easy to damage and the performance of a workpiece is influenced, the stamping die can be cooled when the stamping die is processed, so that heat generated in the production process of the stamping die is absorbed, the performance of the workpiece is prevented from being influenced due to high temperature, the die is prevented from being damaged due to high temperature, the service life of the die is prolonged, and the quality of the workpiece is improved.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a press machine with a cooling device, comprising: the machine tool assembly comprises a bottom cabinet, a workbench fixedly connected with the bottom cabinet is horizontally arranged on the upper surface of the base, four upright posts fixedly connected with the workbench are vertically arranged on the workbench, an upper mounting plate fixedly connected with the upright posts is horizontally arranged at the upper ends of the upright posts, a lower mounting plate is horizontally arranged above the workbench and positioned between the upper mounting plate and the workbench, and the four upright posts penetrate through the lower mounting plate and are in sliding connection with the lower mounting plate;

the stamping assembly comprises an upper die fixedly connected to the lower mounting plate and a lower die fixedly connected to the workbench, and the upper mounting plate is fixedly connected with a driving mechanism for driving the lower mounting plate to move along the axial direction of the stand column;

cooling device, cooling device includes the liquid reserve tank, the storage has the coolant liquid in the liquid reserve tank, it is used for carrying out refrigerated last cooling chamber to last mould inside being provided with to going up the mould, the inside lower cooling chamber that is used for carrying out the refrigerated to the lower mould that is provided with of lower mould, be equipped with the inlet conduit between liquid reserve tank and the lower mould, the upper end of liquid reserve tank is connected with last cooling chamber and lower cooling chamber respectively through the inlet conduit, be equipped with the water pump on the inlet conduit, the lower extreme fixedly connected with liquid pipeline of liquid reserve tank, the one end and the liquid reserve tank of liquid pipeline are linked together, and the other end is linked together with last cooling chamber and lower cooling chamber respectively.

In the production process of the stamping machine tool with the cooling device, the cooling liquid in the liquid storage tank can be conveyed into the upper cooling cavity and the lower cooling cavity through the liquid inlet pipeline by the water pump, when the upper die and the lower die stamp the workpiece, heat generated by stamping can be absorbed by the cooling liquid in the upper cooling cavity and the lower cooling cavity, the performance of the workpiece is prevented from being influenced by high temperature, the die is prevented from being damaged by the high temperature, the service life of the die is prolonged, the quality of the workpiece is improved, the cooling liquid absorbing the heat flows into the liquid storage tank from the liquid outlet pipeline for cyclic utilization, and the liquid in the liquid storage tank can be replaced at regular time, so that the cooling effect of the cooling liquid is ensured.

Further, it is provided with a plurality of last support columns to go up the cooling chamber, go up support column and last mould fixed connection, it offsets with the upper surface and the lower surface in last cooling chamber respectively to go up the support column, the cooling intracavity is provided with a plurality of lower support columns down, lower support column and lower mould fixed connection, the lower support column offsets with the upper surface and the lower surface in lower cooling chamber respectively. The upper supporting column can support the upper die in the upper cooling cavity, and the lower supporting column can support the lower die in the lower cooling cavity, so that the impact strength of the upper die and the lower die is enhanced.

Further, go up the support column with all the cover is equipped with the spring on the lower support column, and the cover is established on going up the support column the spring is inconsistent with the upper surface and the lower surface in last cooling chamber respectively, and the cover is established on the lower support column the spring is inconsistent with the upper surface and the lower surface in lower cooling chamber respectively. The spring further plays the supporting role to last mould and lower mould in last cooling chamber and lower cooling chamber, when going up mould and lower mould and carrying out the punching press to the work piece, also has certain cushioning effect simultaneously.

Further, a water cooler is arranged on the liquid outlet pipeline, a liquid inlet of the water cooler is communicated with the upper cooling cavity and the lower cooling cavity, and a liquid outlet of the water cooler is communicated with the liquid storage tank. The water cooler can cool hot fluid flowing out of the liquid outlet pipeline, and cooled cooling liquid flows back to the liquid storage tank for cooling and reuse, so that the cyclic utilization of the cooling liquid is better realized.

Furthermore, a filter box is arranged on a pipeline for communicating the water cooler with the upper cooling cavity and the lower cooling cavity, a mounting plate is horizontally arranged on the bottom cabinet, the filter box is fixedly connected with the mounting plate, and a filter screen is arranged in the filter box. The filter screen can filter the liquid that goes up mould and lower mould outflow, filters some granule filths in the liquid, avoids granule filth jam cold water machine.

Further, the liquid storage tank upper end is provided with annotates the liquid hole, the liquid storage tank lower extreme is provided with out the liquid valve. The liquid injection hole is convenient for supplement the cooling liquid into the liquid storage tank, the liquid outlet valve is convenient for discharge the cooling liquid in the liquid storage tank, and the cooling liquid in the liquid storage tank is convenient to replace.

Further, annotate the stopper on the liquid hole and be equipped with the rubber buffer, the upper surface of rubber buffer exposes the upper end of annotating the liquid hole. The leakproofness of liquid reserve tank can be strengthened to the rubber buffer, reduces filths such as dust in the air and falls into the liquid reserve tank to be convenient for keep the cleanliness of coolant liquid.

Further, actuating mechanism is including setting up the pneumatic cylinder on last mounting panel, the pneumatic cylinder sets up along the stand axial, pneumatic cylinder and last mounting panel fixed connection, the piston rod and the lower mounting panel fixed connection of pneumatic cylinder. The hydraulic cylinder drives the lower mounting plate to move along the axial direction of the stand column, so that the workpiece is stamped through the upper die and the lower die, and the hydraulic cylinder is simple in structure and convenient to mount.

The stamping machine tool with the cooling device has the beneficial effects that in the production process, the cooling liquid in the liquid storage tank can be conveyed into the upper cooling cavity and the lower cooling cavity through the liquid inlet pipeline by the water pump, when the upper die and the lower die stamp the workpiece, the heat generated by stamping can be absorbed by the cooling liquid in the upper cooling cavity and the lower cooling cavity, the performance of the workpiece is prevented from being influenced by high temperature, the die is prevented from being damaged by high temperature, the service life of the die is prolonged, and the quality of the workpiece is improved;

the cooling liquid absorbing heat flows into the water cooler from the liquid outlet pipeline, is cooled by the water cooler and then flows into the liquid storage tank for cyclic utilization, so that the cooling effect and the utilization rate of the cooling liquid are improved, and resources are saved;

a filter screen in the filter box can filter the liquid flowing out of the upper die and the lower die, filter some particle dirt in the liquid and prevent the particle dirt from blocking the water cooler;

go up support column, lower support column and spring and play the supporting role at last cooling chamber and lower cooling intracavity to last mould and lower mould, the shock resistance of mould and lower mould is gone up in the reinforcing, also has certain cushioning effect simultaneously.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic structural view of a press machine having a cooling device according to a preferred embodiment of the present invention.

Fig. 2 is a front view of a press machine having a cooling device according to the preferred embodiment of the present invention.

Fig. 3 is a partial cross-sectional view of a front view of a press machine having a cooling apparatus in accordance with a preferred embodiment of the present invention.

Fig. 4 is an enlarged view at a in fig. 3.

In the figure: 1. a bottom cabinet; 2. a work table; 3. a column; 4. an upper mounting plate; 5. a lower mounting plate; 6. an upper die; 7. a lower die; 8. a liquid storage tank; 9. an upper cooling chamber; 10. a lower cooling chamber; 11. a liquid inlet pipeline; 12. a water pump; 13. a liquid outlet pipeline; 14. an upper support column; 15. a lower support pillar; 16. a spring; 17. a water chiller; 18. a filter box; 19. a filter screen; 20. a liquid outlet valve; 21. a rubber plug; 22. and a hydraulic cylinder.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 4, which are the preferred embodiments of the present invention, a press machine with a cooling device includes: the machine tool assembly comprises a bottom cabinet 1, wherein a workbench 2 fixedly connected with the bottom cabinet 1 is horizontally arranged on the upper surface of a base, four upright posts 3 fixedly connected with the workbench 2 are vertically arranged on the workbench 2, an upper mounting plate 4 fixedly connected with the upright posts 3 is horizontally arranged at the upper ends of the upright posts 3, a lower mounting plate 5 is horizontally arranged above the workbench 2, the lower mounting plate 5 is positioned between the upper mounting plate 4 and the workbench 2, and the four upright posts 3 penetrate through the lower mounting plate 5 and are in sliding connection with the lower mounting plate 5;

punching press subassembly, the punching press subassembly includes last mould 6 of fixed connection on mounting panel 5 down, still include lower mould 7 of fixed connection on workstation 2, it is used for carrying out refrigerated last cooling chamber 9 to last mould 6 inside being provided with to go up mould 6, lower mould 7 is inside to be provided with and to be used for carrying out refrigerated lower cooling chamber 10 to lower mould 7, it is provided with a plurality of upper strut 14 to go up in the cooling chamber 9, upper strut 14 and last mould 6 fixed connection, upper strut 14 offsets with the upper surface and the lower surface of last cooling chamber 9 respectively, be provided with a plurality of lower strut 15 in the lower cooling chamber 10, lower strut 15 and lower mould 7 fixed connection, lower strut 15 offsets with the upper surface and the lower surface in lower cooling chamber 10 respectively.

The upper supporting column 14 and the lower supporting column 15 are both sleeved with springs 16, the springs 16 sleeved on the upper supporting column 14 are respectively abutted against the upper surface and the lower surface of the upper cooling cavity 9, the springs 16 sleeved on the lower supporting column 15 are respectively abutted against the upper surface and the lower surface of the lower cooling cavity 10, the upper supporting column 14, the lower supporting column 15 and the springs 16 play a supporting role for the upper die 6 and the lower die 7 in the upper cooling cavity 9 and the lower cooling cavity 10, so that the impact strength of the upper die 6 and the lower die 7 is enhanced, and meanwhile, the damping device also has a certain damping effect, the upper mounting plate 4 is fixedly connected with a driving mechanism which drives the lower mounting plate 5 to move along the axial direction of the upright post 3, the driving mechanism comprises a hydraulic cylinder 22 arranged on the upper mounting plate 4, the hydraulic cylinder 22 is arranged along the axial direction of the upright post 3, the hydraulic cylinder 22 is fixedly connected with the upper mounting plate 4, and a piston rod of the hydraulic cylinder 22 is fixedly connected with the lower mounting plate 5.

Cooling device, cooling device include liquid reserve tank 8, and the storage has the coolant liquid in the

liquid reserve tank

8, and 8 upper ends of liquid reserve tank are provided with annotates the liquid hole, annotate the liquid hole and go up the stopper and be equipped with rubber buffer 21, and the upper surface of rubber buffer 21 exposes the upper end of annotating the liquid hole. The lower end of the liquid storage tank 8 is provided with a liquid outlet valve 20, and the liquid outlet valve 20 can be a common tap. The liquid injection hole is convenient for supply the coolant liquid into the liquid storage tank 8, the liquid outlet valve 20 is convenient for discharge the coolant liquid in the liquid storage tank 8, the coolant liquid in the liquid storage tank 8 is convenient to replace, a liquid inlet pipeline 11 is arranged between the liquid storage tank 8 and the lower die 7, the upper end of the liquid storage tank 8 is respectively connected with the upper cooling cavity 9 and the lower cooling cavity 10 through the liquid inlet pipeline 11, a water pump 12 is arranged on the liquid inlet pipeline 11, a pipeline for plasticity is arranged for communicating the upper cooling cavity 9 with the water pump 12, a plastic hose can be used, a liquid outlet pipeline 13 is fixedly connected to the lower end of the liquid storage tank 8, one end of the liquid outlet pipeline 13 is communicated with the liquid storage tank 8, and the other end of the liquid outlet pipeline is respectively communicated with the upper cooling cavity 9 and the lower cooling cavity 10.

A water cooler 17 is arranged on the liquid outlet pipeline 13, a liquid inlet of the water cooler 17 is communicated with the upper cooling cavity 9 and the lower cooling cavity 10, a pipeline for communicating the upper cooling cavity 9 with the water cooler 17 is a plastic pipeline, a plastic hose can be used, and a liquid outlet of the water cooler 17 is communicated with the liquid storage tank 8. The water cooler 17 can cool the hot fluid flowing out of the liquid outlet pipe 13, and the cooled cooling liquid flows back to the liquid storage tank 8 for cooling and reuse, so that the cyclic utilization of the cooling liquid is better realized. A filter tank 18 is fixedly connected to a pipeline for communicating the water cooler 17 with the upper cooling cavity 9 and the lower cooling cavity 10, the filter tank 18 is fixedly connected with the mounting plate, and a filter screen 19 is arranged in the filter tank 18. The filter screen 19 can filter the liquid flowing out from the upper die 6 and the lower die 7, filter some particle dirt in the liquid and avoid the particle dirt from blocking the water cooler 17.

The working principle is as follows: after the workpiece is fixed to the lower die 7 at the time of punching the workpiece, the hydraulic cylinder 22 drives the lower mounting plate 5 to move downward, so that the upper die 6 and the lower die 7 perform stamping processing on the workpiece, meanwhile, the water pump 12 can lead the cooling liquid in the liquid storage tank 8 into the upper die 6 and the lower die 7 in the upper cooling cavity 9 and the lower cooling cavity 10 for cooling, meanwhile, the cooling device can play a certain role in cooling the workpiece, the cooled cooling liquid flows out from the liquid outlet pipeline 13 and enters the filter tank 18 for filtering, particle impurities and dirt in the cooling liquid are filtered, the filtered cooling liquid flows into the water chiller 17 for cooling, the cooled cooling liquid flows back to the liquid storage tank 8 for cooling and reuse, when the coolant in the liquid storage tank 8 needs to be replaced, the coolant in the liquid storage tank 8 can be discharged from the liquid outlet valve 20, and new coolant can be replenished into the liquid storage tank 8 from the liquid injection hole.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. A punching machine with a cooling device is characterized in that: the method comprises the following steps:

the machine tool component comprises a bottom cabinet (1), wherein a workbench (2) fixedly connected with the bottom cabinet (1) is horizontally arranged on the upper surface of the bottom cabinet (1), four upright posts (3) fixedly connected with the workbench (2) are vertically arranged on the workbench (2), an upper mounting plate (4) fixedly connected with the upright posts (3) is horizontally arranged at the upper ends of the upright posts (3), a lower mounting plate (5) is horizontally arranged above the workbench (2), the lower mounting plate (5) is positioned between the upper mounting plate (4) and the workbench (2), and the four upright posts (3) penetrate through the lower mounting plate (5) and are in sliding connection with the lower mounting plate (5);

the stamping assembly comprises an upper die (6) fixedly connected to the lower mounting plate (5) and a lower die (7) fixedly connected to the workbench (2), and the upper mounting plate (4) is fixedly connected with a driving mechanism for driving the lower mounting plate (5) to move axially along the upright post (3);

the cooling device comprises a liquid storage tank (8), cooling liquid is stored in the liquid storage tank (8), an upper cooling cavity (9) for cooling the upper die (6) is arranged in the upper die (6), a lower cooling cavity (10) for cooling the lower die (7) is arranged in the lower die (7), a liquid inlet pipeline (11) is arranged between the liquid storage tank (8) and the lower die (7), the upper end of the liquid storage tank (8) is respectively connected with an upper cooling cavity (9) and a lower cooling cavity (10) through a liquid inlet pipeline (11), a water pump (12) is arranged on the liquid inlet pipeline (11), a liquid outlet pipeline (13) is fixedly connected with the lower end of the liquid storage tank (8), one end of the liquid outlet pipeline (13) is communicated with the liquid storage tank (8), and the other end of the liquid outlet pipeline is respectively communicated with the upper cooling cavity (9) and the lower cooling cavity (10).

2. A press machine with a cooling device according to claim 1, characterized in that: go up to be provided with in cooling chamber (9) a plurality of support columns (14) of going up, go up support column (14) and last mould (6) fixed connection, it is inconsistent with the upper surface and the lower surface of last cooling chamber (9) respectively to go up support column (14), be provided with a plurality of lower support columns (15) in lower cooling chamber (10), lower support columns (15) and lower mould (7) fixed connection, lower support columns (15) are inconsistent with the upper surface and the lower surface of lower cooling chamber (10) respectively.

3. A press machine with a cooling device according to claim 2, characterized in that: go up support column (14) with all the cover is equipped with spring (16) on lower support column (15), and the cover is established on last support column (14) spring (16) respectively with the upper surface and the lower surface of last cooling chamber (9) inconsistent, the cover is established on lower support column (15) spring (16) respectively with the upper surface and the lower surface of lower cooling chamber (10) inconsistent.

4. A press machine with a cooling device according to claim 1, characterized in that: a water cooler (17) is arranged on the liquid outlet pipeline (13), a liquid inlet of the water cooler (17) is communicated with the upper cooling cavity (9) and the lower cooling cavity (10), and a liquid outlet of the water cooler (17) is communicated with the liquid storage tank (8).

5. A press machine with a cooling device according to claim 4, characterized in that: the pipeline that communicates cold water machine (17) and last cooling chamber (9) and lower cooling chamber (10) is equipped with rose box (18), the level is provided with the mounting panel on bottom cabinet (1), rose box (18) and mounting panel fixed connection, be provided with filter screen (19) in rose box (18).

6. A press machine with a cooling device according to claim 1, characterized in that: the liquid storage tank is characterized in that a liquid injection hole is formed in the upper end of the liquid storage tank (8), and a liquid outlet valve (20) is arranged at the lower end of the liquid storage tank (8).

7. The press machine with a cooling device according to claim 6, wherein: annotate the stopper on the liquid hole and be equipped with rubber buffer (21), the upper surface of rubber buffer (21) exposes the upper end of annotating the liquid hole.

8. A press machine with a cooling device according to claim 1, characterized in that: actuating mechanism is including setting up pneumatic cylinder (22) on last mounting panel (4), stand (3) axial setting is followed in pneumatic cylinder (22), pneumatic cylinder (22) and last mounting panel (4) fixed connection, the piston rod and lower mounting panel (5) fixed connection of pneumatic cylinder (22).