CN112229136A

CN112229136A - Gas-liquid two-phase cooling system for punching machine assembly

Info

Publication number: CN112229136A
Application number: CN202011135843.4A
Authority: CN
Inventors: 邱亚东
Original assignee: Yizheng Changzhong Auto Parts Co ltd
Current assignee: Yizheng Changzhong Auto Parts Co ltd
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2021-01-15
Anticipated expiration: 2040-10-22
Also published as: CN112229136B

Abstract

The invention provides a gas-liquid two-phase cooling system for a punching machine assembly, which comprises a box body, a punching die, a punching head and a water tank, wherein the punching die is arranged at the top of the box body; a suspension bracket is arranged at the bottom in the box body, a support table is arranged above the suspension bracket, a support ring is arranged at the top end of the support table, and a water tank is arranged on the support ring; and a heat exchange pipe is arranged in the water tank. The invention is provided with the water tank, the evaporator and the condenser assembly which are matched with the water tank, so that cooling water in the water tank is always in a lower temperature state, and the heat-conducting fins are arranged, so that a stamping die can be kept in a low-temperature state; set up first gas outlet nozzle and second gas outlet nozzle in the punching press head to set up the heat exchange tube, cooled down the processing to the air current that blows off, can make the punching press head keep low temperature state.

Description

Gas-liquid two-phase cooling system for punching machine assembly

Technical Field

The invention relates to the technical field of production and processing of automobile parts, in particular to a gas-liquid two-phase cooling system for a punching machine assembly.

Background

Stamping is a forming method in which a press and a die are used to apply external force to a plate, a strip, a pipe, a profile, etc. to cause plastic deformation or separation, thereby obtaining a workpiece of a desired shape and size. The micron-sized compact die can be adopted in the stamping process, so that the stamping precision is high, and the stamping die is widely applied to the production and processing process of automobile parts.

When the process of continuous punching press goes on, the temperature can be continuously increased to punching press head and punching press mould because the influence of factors such as striking, friction, the rising of temperature can lead to punching press head and punching press mould surface mechanical strength to change, simultaneously, because expend with heat and contract with cold, slight change can appear in the size of punching press head and punching press mould of high accuracy, and then the work piece precision that leads to the punching press is not enough, causes substandard product, waste product, very influences the productivity effect.

Disclosure of Invention

The present invention aims to overcome or at least partially solve the above problems in order to solve the technical problems of the production and processing of automobile parts by providing a gas-liquid two-phase cooling system for a punch assembly.

In order to achieve the purpose, the technical scheme of the invention is realized as follows:

the invention provides a gas-liquid two-phase cooling system for a punching machine assembly, which comprises a box body, a punching die, a punching head and a water tank, wherein a supporting seat is arranged below the box body, and the punching die is arranged at the top of the box body; a support frame is arranged at the position, close to the right, of the top of the box body, an upper frame is arranged at the top end of the support frame, and a stamping head is arranged below the upper frame; a suspension bracket is arranged at the bottom in the box body, a support table is arranged above the suspension bracket, a support ring is arranged at the top end of the support table, and a water tank is arranged on the support ring; an evaporator is arranged at the bottom in the water tank, and a condenser is arranged below the water tank; a heat radiation fan is arranged below the water tank and is arranged between the water tank and the condenser; the inside of water tank is equipped with the heat exchange tube, passes the left side wall of water tank and with intake-tube connection at the left end of heat exchange tube, and the filter head is installed to the one end of intake pipe, and the right-hand member of heat exchange tube passes the right side wall of water tank and is connected with the air duct, and the one end of air duct sets up and connects on the roof-rack, installs the air pump on the pipeline of air duct, and air pump fixed mounting is on the roof-rack.

As a further scheme of the invention, the box body is of a hollow cuboid structure with an opening at the bottom, and a plurality of ventilation grids are arranged on the side wall of the box body.

As a further scheme of the invention, a plurality of heat conduction fins are inserted into the top of the water tank and are arranged at equal intervals along the left-right direction, the bottoms of the heat conduction fins are inserted into the water tank, and the tops of the heat conduction fins are inserted into the bottom of the stamping die.

As a further scheme of the invention, two ends of the evaporator are respectively connected with two ends of the condenser through copper pipes, the two sections of copper pipes are respectively provided with a compressor and a throttle valve, and a plurality of radiating fins are inserted on the condenser.

As a further scheme of the invention, a spiral plate is arranged in the heat exchange tube.

As a further scheme of the invention, the stamping head is provided with a first air outlet nozzle and a plurality of second air outlet nozzles, the first air outlet nozzle is vertically arranged, the second air outlet nozzles are radially and uniformly distributed and arrayed, the first air outlet nozzle and the second air outlet nozzle are communicated with each other, and the first air outlet nozzle and the second air outlet nozzle are communicated with the air guide tube.

As a further scheme of the invention, a telescopic plate is inserted in the suspension bracket, two insertion slots which are arranged at intervals are arranged on the lower surface of the suspension bracket, a limit knob is arranged below the telescopic plate, and the top end of the limit knob is arranged on the lower surface of the telescopic plate through threads.

As a further scheme of the invention, the evaporator comprises a liquid inlet pipe, first liquid guide pipes, second liquid guide pipes, third liquid guide pipes and a liquid outlet pipe, wherein the right ends of the liquid inlet pipe are respectively connected with the left ends of the two first liquid guide pipes, the right ends of the two first liquid guide pipes are connected with the right ends of the two second liquid guide pipes through elbows, the left ends of the two second liquid guide pipes are connected with the left end of the third liquid guide pipe through elbows, and the right end of the third liquid guide pipe is connected with the liquid outlet pipe.

As a further scheme of the invention, telescopic rods are arranged above four corner positions of the suspension bracket; the telescopic link includes installation sleeve and interlude pole, and the pole setting of interlude is equipped with the stopper in the inside of installation sleeve, is equipped with the spacing collar in the top of interlude pole, is equipped with the spring on the telescopic bottom of installation, the cover is equipped with on the pole of interlude, and on the stopper was fixed in on the top of spring, the bottom mounting of spring was on the spacing collar.

The invention provides a gas-liquid two-phase cooling system for a punching machine assembly, which has the advantages that: the invention is provided with the water tank, the evaporator and the condenser assembly which are matched, so that cooling water in the water tank is always in a lower temperature state, and the heat conduction fins are arranged, so that the stamping die can be kept in a low temperature state, and the phenomenon that the temperature of the stamping die is continuously increased along with the stamping and the mechanical strength of the stamping die is damaged is avoided; set up first gas outlet nozzle and second in the punching press head to set up the heat exchange tube, cooled down the processing to the air current that blows out, can make the punching press head keep low temperature state, prevented that the punching press head from constantly rising of temperature in continuous work, destroying the mechanical strength of punching press head.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.

Fig. 1 is a top view of a three-dimensional structure according to an embodiment of the present invention.

Fig. 2 is a bottom view of a three-dimensional structure according to an embodiment of the present invention.

FIG. 3 is a front sectional view of an embodiment of the present invention.

Fig. 4 is a schematic diagram of an internal structure of the case in the embodiment of the present invention.

Fig. 5 is a schematic view illustrating the installation of the expansion plate according to the embodiment of the present invention.

Fig. 6 is a schematic structural view of an evaporator in an embodiment of the present invention.

Fig. 7 is a schematic cross-sectional view of the telescopic rod according to the embodiment of the present invention.

In the figure: 1. a box body; 2. a ventilation grille; 3. a supporting seat; 4. stamping a die; 5. a support frame; 6. a top frame; 7. punching a head; 71. a first air outlet nozzle; 72. a second air outlet nozzle; 8. a suspension bracket; 81. a retractable plate; 82. inserting the slot; 83. a limit knob; 9. a support table; 10. a support ring; 11. a water tank; 12. a heat conductive fin; 13. an evaporator; 131. a liquid inlet pipe; 132. a first catheter; 133. a second catheter; 134. a third liquid guide tube; 135. a liquid outlet pipe; 14. a condenser; 15. a heat dissipating fin; 16. a compressor; 17. a throttle valve; 18. a heat radiation fan; 19. an air inlet pipe; 20. a filter head; 21. a heat exchange pipe; 22. a spiral plate; 23. an air duct; 24. an air pump; 25. a telescopic rod; 251. installing a sleeve; 252. inserting the rod; 253. a spring; 254. a limiting block; 255. a limiting ring.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

Referring to fig. 1-4, the gas-liquid two-phase cooling system for the punch assembly provided by the embodiment of the invention comprises a box body 1, a punching die 4, a punching head 7 and a water tank 11, wherein a support seat 3 is arranged below the box body 1, the box body 1 is of a hollow cuboid structure with an opening at the bottom, the support seat 3 supports the box body 1, so that the opening at the bottom end of the box body 1 is arranged in a suspended manner, a plurality of ventilation grids 2 are arranged on the side wall of the box body 1, the top of the box body 1 is arranged as a working table, and the punching die 4 is arranged at the top of the box body; the top of box 1 leans on the right position to be equipped with support frame 5, and the top of support frame 5 is equipped with roof-rack 6, and roof-rack 6 and the upper and lower interval symmetry of box 1 set up, is equipped with punching press head 7 in the below of roof-rack 6.

Bottom position in the box 1 is equipped with mounted frame 8, the top of mounted frame 8 is equipped with brace table 9, top at brace table 9 is equipped with lock ring 10, be equipped with water tank 11 on lock ring 10, lock ring 8 supports water tank 11 through brace table 9 and lock ring 10, the setting of brace table 9 makes water tank 11 and lock ring 8 interval set up, it is equipped with polylith heat conduction fin 12 to alternate at the top of water tank 11, polylith heat conduction fin 12 is along controlling the equidistant setting of arranging of direction, the bottom of heat conduction fin 12 is inserted and is set up the inside at water tank 11, the bottom of setting at stamping die 4 is inserted at the top of heat conduction fin 12, heat conduction fin 12 can make the cold water in stamping die 4 and the water tank 11 carry out the heat exchange, make stamping die 4 remain throughout at lower temperature.

An evaporator 13 is arranged at the bottom of the water tank 11, a condenser 14 is arranged below the water tank 11, two ends of the evaporator 13 are respectively connected with two ends of the condenser 14 through copper pipes, a compressor 16 and a throttle valve 17 are respectively arranged on the two sections of copper pipes, a plurality of radiating fins 15 are inserted on the condenser 14, and the radiating fins 15 can accelerate the conduction and the dissipation of heat on the condenser 14; a heat dissipation fan 18 is arranged below the water tank 11, the heat dissipation fan 18 is arranged between the water tank 11 and the condenser 14, and the heat on the condenser 14 and the heat dissipation fins 15 can be dissipated by airflow blown by the heat dissipation fan 18.

The inside of water tank 11 is equipped with heat exchange tube 21, pass the left side wall of water tank 11 and be connected with intake pipe 19 at the left end of heat exchange tube 21, filter 20 is installed to the one end of intake pipe 19, filter 20 can carry out filtration treatment to the air that gets into intake pipe 19, the right-hand member of heat exchange tube 21 passes the right side wall of water tank 11 and is connected with air duct 23, the one end of air duct 23 sets up and is connected on roof-rack 6, install air pump 24 on the pipeline of air duct 23, air pump 24 fixed mounting is on roof-rack 6, air pump 24 can make the air loop through intake pipe 19, heat exchange tube 21 and air duct 23, be provided with spiral plate 22 in heat exchange tube 21, spiral plate 22 and heat exchange tube 21 form the spiral pipeline, can increase the stroke of air current in heat exchange.

First gas outlet nozzle 71 and a plurality of second gas outlet nozzle 72 have been seted up on the punching press head 7, and first gas outlet nozzle 71 is vertical setting, and second gas outlet nozzle 72 is radial equipartition array setting, and first gas outlet nozzle 71 and second gas outlet nozzle 72 communicate each other to first gas outlet nozzle 71, second gas outlet nozzle 72 and air duct 23 intercommunication, the air current in the air duct 23 can be blown out by first gas outlet nozzle 71 and second gas outlet nozzle 72.

As shown in fig. 5, a retractable plate 81 is inserted into the suspension bracket 8, two insertion grooves 82 are formed in the lower surface of the suspension bracket 8 at intervals, a limit knob 83 is arranged below the retractable plate 81, the top end of the limit knob 83 is installed on the lower surface of the retractable plate 81 through threads, when the limit knob 83 is installed below the retractable plate 81 and inserted into the insertion groove 82, the limit knob 83 can prevent the retractable plate 81 from being inserted and moved, the limit knob 83 can be unscrewed to release the limit of the retractable plate 81, the retractable plate 81 can be inserted and moved, and after the position of the retractable plate 81 is adjusted, the limit knob 83 can be installed again to fix the retractable plate 81.

As shown in fig. 6, the evaporator 13 includes a liquid inlet pipe 131, first liquid guide pipes 132, second liquid guide pipes 133, third liquid guide pipes 134 and a liquid outlet pipe 135, the right ends of the liquid inlet pipe 131 are respectively connected with the left ends of the two first liquid guide pipes 132, the right ends of the two first liquid guide pipes 132 are connected with the right ends of the two second liquid guide pipes 133 through elbows, the left ends of the two second liquid guide pipes 133 are connected with the left end of the third liquid guide pipe 134 through elbows, the right end of the third liquid guide pipe 134 is connected with the liquid outlet pipe 135, and the flow direction of the refrigerant in the evaporator 13 is: the liquid inlet pipe 131, the first liquid guide pipe 132, the second liquid guide pipe 133, the third liquid guide pipe 134 and the liquid outlet pipe 135 increase the stroke of the refrigerant in the evaporator 13 and increase the heat exchange efficiency; the condenser 14 is configured in accordance with the evaporator 13, and also increases a stroke of the refrigerant.

As shown in fig. 7, telescopic rods 25 are arranged above four corners of the suspension frame 8, the telescopic rods 25 can assist in supporting the suspension frame 8, and when the suspension frame 8 is lowered, the telescopic rods 25 can support the suspension frame; the telescopic rod 25 comprises a mounting sleeve 251 and a penetrating rod 252, the penetrating rod 252 is arranged inside the mounting sleeve 251, a limiting block 254 is arranged at the top end of the penetrating rod 252, a limiting ring 255 is arranged at the bottom end of the mounting sleeve 251, a spring 253 is sleeved on the penetrating rod 252, the top end of the spring 253 is fixed on the limiting block 254, and the bottom end of the spring 253 is fixed on the limiting ring 255.

In the using process of the invention, the heat of the cooling water stored in the water tank 11 can be transferred into the refrigerant to be cooled through the evaporator 13, and then the refrigerant radiates the heat outwards through the condenser 14, so that the cooling water is always kept at a lower temperature, and the cooling water can absorb the heat of the stamping die 4 through the heat-conducting fins 12, so that the stamping die 4 is always in a low-temperature state; the air pump 24 sucks air through the air inlet pipe 19, the heat exchange pipe 21 and the air guide pipe 23, and the air is ejected outwards through the first air outlet nozzle 71 and the plurality of second air outlet nozzles 72 on the stamping head 7, the air flow exchanges heat with cooling water in the water tank 11 in the heat exchange pipe 21, so that the temperature of the air is reduced, the air flow blown out by the first air outlet nozzle 71 and the plurality of second air outlet nozzles 72 can cool down the stamping head 7 and a stamped workpiece, and the blown air flow can prevent the workpiece from being adhered to the stamping head 7.

The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. A gas-liquid two-phase cooling system for a punching machine assembly comprises a box body (1), a punching die (4), a punching head (7) and a water tank (11), and is characterized in that a supporting seat (3) is arranged below the box body (1), and the punching die (4) is arranged at the top of the box body (1); a support frame (5) is arranged close to the right of the top of the box body (1), a top frame (6) is arranged at the top end of the support frame (5), and a stamping head (7) is arranged below the top frame (6); a suspension bracket (8) is arranged at the bottom position in the box body (1), a support table (9) is arranged above the suspension bracket (8), a support ring (10) is arranged at the top end of the support table (9), and a water tank (11) is arranged on the support ring (10); an evaporator (13) is arranged at the bottom position in the water tank (11), and a condenser (14) is arranged below the water tank (11); a heat radiation fan (18) is arranged below the water tank (11), and the heat radiation fan (18) is arranged between the water tank (11) and the condenser (14); the inside of water tank (11) is equipped with heat exchange tube (21), pass the left side wall of water tank (11) and be connected with intake pipe (19) at the left end of heat exchange tube (21), filter head (20) are installed to the one end of intake pipe (19), the right-hand member of heat exchange tube (21) passes the right side wall of water tank (11) and is connected with air duct (23), the one end of air duct (23) sets up and connects on roof-rack (6), install air pump (24) on the pipeline of air duct (23), air pump (24) fixed mounting is on roof-rack (6).

2. The gas-liquid two-phase cooling system for the punch assembly according to claim 1, wherein the box body (1) is of a hollow cuboid structure with an open bottom, and a plurality of ventilation grids (2) are arranged on the side wall of the box body (1).

3. The gas-liquid two-phase cooling system for the punching machine assembly according to claim 1, wherein a plurality of heat-conducting fins (12) are inserted into the top of the water tank (11), the heat-conducting fins (12) are arranged at equal intervals in the left-right direction, the bottoms of the heat-conducting fins (12) are inserted into the water tank (11), and the tops of the heat-conducting fins (12) are inserted into the bottom of the punching die (4).

4. The gas-liquid two-phase cooling system for the punch assembly according to claim 1, wherein both ends of the evaporator (13) are connected with both ends of the condenser (14) through copper pipes respectively, a compressor (16) and a throttle valve (17) are arranged on the two sections of copper pipes respectively, and a plurality of radiating fins (15) are inserted on the condenser (14).

5. Gas-liquid two-phase cooling system for punching machine assemblies according to claim 1, characterized in that said heat exchange tubes (21) are internally provided with spiral plates (22).

6. The gas-liquid two-phase cooling system for the punching machine assembly according to claim 1, wherein a first gas outlet nozzle (71) and a plurality of second gas outlet nozzles (72) are formed in the punching head (7), the first gas outlet nozzle (71) is vertically arranged, the second gas outlet nozzles (72) are radially and uniformly arranged in an array, the first gas outlet nozzle (71) and the second gas outlet nozzle (72) are communicated with each other, and the first gas outlet nozzle (71) and the second gas outlet nozzle (72) are communicated with the gas guide pipe (23).

7. The gas-liquid two-phase cooling system for the punch assembly according to claim 1, wherein a telescopic plate (81) is inserted into the suspension bracket (8), two insertion slots (82) are formed in the lower surface of the suspension bracket (8) at intervals, a limit knob (83) is arranged below the telescopic plate (81), and the top end of the limit knob (83) is mounted on the lower surface of the telescopic plate (81) through threads.

8. A gas-liquid two-phase cooling system for a punch assembly according to claim 1, wherein the evaporator (13) comprises a liquid inlet pipe (131), a first liquid guide pipe (132), a second liquid guide pipe (133), a third liquid guide pipe (134) and a liquid outlet pipe (135), wherein the right ends of the liquid inlet pipe (131) are respectively connected with the left ends of the two first liquid guide pipes (132), the right ends of the two first liquid guide pipes (132) are connected with the right ends of the two second liquid guide pipes (133) through elbows, the left ends of the two second liquid guide pipes (133) are connected with the left end of the third liquid guide pipe (134) through elbows, and the right end of the third liquid guide pipe (134) is connected with the liquid outlet pipe (135).

9. A gas-liquid two-phase cooling system for a stamping press assembly according to claim 1, characterized in that a telescopic rod (25) is provided above four corner positions of the hanger (8); the telescopic rod (25) comprises an installation sleeve (251) and an insertion rod (252), the insertion rod (252) is arranged inside the installation sleeve (251), a limiting block (254) is arranged at the top end of the insertion rod (252), a limiting ring (255) is arranged at the bottom end of the installation sleeve (251), a spring (253) is sleeved on the insertion rod (252), the top end of the spring (253) is fixed on the limiting block (254), and the bottom end of the spring (253) is fixed on the limiting ring (255).