Cold extrusion integrated forming equipment for heating element for new energy automobile

Abstract

The heating element cold extrusion integrated forming equipment for the new energy automobile comprises an electric rotating table, a hydraulic machine is fixedly installed on one side of the electric rotating table through a first supporting frame, and a powder tank is fixedly installed on one side of the electric rotating table through a second supporting frame; the hydraulic machine and the powder tank are arranged in a mirroring mode with the electric rotating table as the center, through the overall arrangement, cold extrusion integrated forming can be conducted on a metal shell of the heating element for the new energy automobile, and cold extrusion integrated forming can be conducted on powder raw materials of the ceramic thermosensitive heating element for the new energy automobile; therefore, one device can be used for carrying out extrusion forming on the heating elements for the new energy automobile with two different structural forms, so that the investment of the device and the investment of the cost can be reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of processing heating elements for new energy vehicles, and in particular to cold extrusion integrated molding equipment for heating elements for new energy vehicles. Background Art

[0002] Cold extrusion integrated molding equipment for heating elements for new energy vehicles, especially for cold extrusion molding of electric heating elements such as PTC (Positive Temperature Coefficient), requires high-precision and high-pressure equipment to complete. This type of equipment usually integrates multiple technologies such as cold extrusion, mold molding, and automatic control to meet the high requirements of new energy vehicle heating elements for dimensional accuracy, material properties, and production efficiency.

[0003] After searching, it is found that a PTC ceramic thermistor heating element pressing and molding device disclosed in Chinese patent number CN 118528596 A includes a box seat and a pressing and molding unit, the pressing and molding unit includes an outer cylinder, one side end of the outer cylinder is connected to a raw material box, and the other side end is provided with a discharge port, a hollow cylindrical mold body is rotatably fitted in the outer cylinder, a plurality of groups of forming mold holes arranged side by side are provided on the outer circumferential surface of the hollow cylindrical mold body, each of the forming mold holes is provided with a bottom pressure plate, and the same group of bottom pressure plates are commonly connected to a roller assembly extending into the inner cavity of the hollow cylindrical mold body, a spring is connected between the roller assembly and the hollow cylindrical mold body, and a pressure mechanism is provided on the top of the outer cylinder; the PTC ceramic thermistor heating element pressing and molding device disclosed in the present invention not only has higher production efficiency, but also ensures the pressing and molding effect of the heating element, improves the quality of the final prepared product, and enables the product performance to meet the needs of various customers.

[0004] However, the above-mentioned PTC ceramic thermistor heating element pressing and molding equipment can only process the powder raw materials of the PTC ceramic thermistor heating element, but cannot perform cold extrusion molding on the metal parts of the PTC, so it has great singleness, which requires the investment of a variety of different production equipment, thereby increasing the investment cost.

[0005] Therefore, it is very necessary to invent cold extrusion one-piece molding equipment for heating elements for new energy vehicles. Summary of the invention

[0006] The purpose of the present invention is to provide a cold extrusion integrated molding device for heating elements for new energy vehicles, so as to solve the problem that the existing PTC ceramic thermistor heating element pressing and molding equipment can only process the powder raw materials of the PTC ceramic thermistor heating elements, but cannot perform cold extrusion molding on the metal parts of the PTC, so it has great singleness, which requires the investment of a variety of different production equipment, thereby increasing the investment cost.

[0007] To achieve the above-mentioned object, the present invention provides the following technical solutions: A cold extrusion integrated molding device for a heating element for a new energy vehicle: comprising an electric rotating table, wherein: a hydraulic press is fixedly installed on one side of the electric rotating table through a support frame 1, a powder material tank is fixedly installed on one side of the electric rotating table through a support frame 2, and the hydraulic press and the powder material tank are arranged in a mirror image position with the electric rotating table as the center;

[0008] Furthermore, a cold extrusion forming movable die is detachably fixedly mounted on the output end of the hydraulic press;

[0009] Furthermore, a modular extrusion forming die is detachably fixedly mounted on the output end of the electric rotating table;

[0010] Furthermore, a stirring mechanism is installed on the powder tank;

[0011] Further, the modular extrusion forming die is located below the hydraulic press and the powder tank;

[0012] Furthermore, a control box is fixedly installed on the outer side of the support frame 1, and a controller inside the control box is electrically connected to the electric rotating table, the hydraulic press and the powder tank for communication.

[0013] Furthermore, the modular extrusion molding die includes a triangular bracket and an annular die seat, and the triangular bracket is fixedly installed inside the annular die seat, and the triangular bracket is detachably fixedly connected to the output end of the electric rotating table.

[0014] Furthermore, the annular die seat is an annular die seat on the upper surface of which a plurality of metal cold extrusion fixed dies in an annular array are fixedly mounted.

[0015] Furthermore, the annular die seat is an annular die seat having a plurality of powder raw material pressing cavities in an annular array on its upper surface.

[0016] Furthermore, the cold extrusion forming movable die is a metal part cold extrusion movable die corresponding to the metal part cold extrusion fixed die.

[0017] Furthermore, the cold extrusion molding movable die is a powder raw material pressing brake die corresponding to the powder raw material pressing die cavity.

[0018] Furthermore, the stirring mechanism includes a motor and a spiral blade, and the motor is fixedly installed at the top end of the outside of the powder tank, and the output end of the motor rotates and extends into the interior of the powder tank; the spiral blade is rotatably installed inside the powder tank, and one end of the spiral blade is fixedly connected to the output end of the motor; the motor is electrically connected to the controller for communication.

[0019] Furthermore, a feed bin is fixedly installed on one side of the top of the powder tank, and the feed bin is connected to the inside of the powder tank; a powder level sensor is fixedly installed inside the powder tank; a powder discharge flow meter is provided on the powder tank; the powder level sensor and the flow meter are electrically connected to communicate with the controller.

[0020] Furthermore, a coaxial threaded hole is provided at the output end of the electric rotating table, and the output end of the electric rotating table is detachably fixedly connected to the tripod bracket through the threaded hole and bolts.

[0021] Furthermore, a threaded countersunk hole corresponding to the threaded hole is formed through the center of the triangular bracket; and the bolt is fixedly installed in the threaded countersunk hole and the threaded hole.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] 1. The metal parts of the heating element for new energy vehicles can be cold extruded and integrally formed by an annular die seat equipped with a metal cold extrusion fixed die and a metal cold extrusion movable die.

[0024] 2. The powder raw material of the ceramic thermistor heating element for new energy vehicles can be cold-extruded and integrally formed by an annular die seat provided with a powder raw material pressing die cavity and a powder raw material pressing die.

[0025] 3. A set of equipment can realize the cold extrusion molding of solid materials or powder materials required for heating elements of new energy vehicles, making the overall process more convenient and flexible, thereby reducing the investment in equipment and cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of a cold extrusion integrated molding structure of the present invention.

[0027] Figure 2 It is a schematic diagram of another cold extrusion integrated molding structure of the present invention.

[0028] Figure 3 It is a schematic diagram of the explosion structure of the present invention.

[0029] Figure 4 It is a schematic diagram of the partial cross-section structure of the powder material tank of the present invention.

[0030] Figure 5 It is a schematic diagram of one form structure of the annular mold base of the present invention.

[0031] Figure 6 It is a schematic diagram of another structural form of the annular mold base of the present invention.

[0032] In the figure:

[0033] Electric rotating table 1, triangular bracket 2, threaded countersunk hole 21, annular mold seat 3, support frame 1 4, support frame 2 5, hydraulic press 6, powder material tank 7, discharge pipe 71, feed bin 8, feeding pipe 81, motor 9, spiral blade 10, control box 11, bolt 12, threaded hole 13, metal part cold extrusion fixed mold 14, powder raw material pressing mold cavity 15, metal part cold extrusion movable mold 16, powder raw material pressing brake mold 17. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] Implementation column:

[0036] As attached Figure 1-6 Shown

[0037] The present invention provides a cold extrusion integrated molding device for a heating element for a new energy vehicle, comprising an electric rotating table 1, wherein: a hydraulic press 6 is fixedly installed on one side of the electric rotating table 1 through a support frame 1 4, so that the hydraulic press 6 provides the required power for cold extrusion, a powder material tank 7 is fixedly installed on one side of the electric rotating table 1 through a support frame 2 5, so that the powder raw material of the ceramic thermistor heating element is stored through the powder material tank 7, and the hydraulic press 6 and the powder material tank 7 are arranged in a mirrored position with the electric rotating table 1 as the center, so that when the electric rotating table 1 is replaced with a modular extrusion molding die of different forms, there will be no impact between the hydraulic press 6 and the powder material tank 7;

[0038] In this embodiment, the output end of the hydraulic press 6 is detachably fixed with a cold extrusion forming movable die, which can be replaced with a variety of different cold extrusion forming movable dies so as to be used in conjunction with the modular extrusion forming die;

[0039] In this embodiment, a modular extrusion forming die is detachably fixedly installed at the output end of the electric rotating table 1, so that different forms of dies can be replaced to perform cold extrusion on the heating element for new energy vehicles;

[0040] In this embodiment, a stirring mechanism is installed on the powder material tank 7 so as to stir the powder raw material inside the powder material tank 7 through the stirring mechanism to prevent the powder raw material inside the powder material tank 7 from agglomerating;

[0041] In this embodiment, the modular extrusion forming die is located below the hydraulic press 6 and the powder material tank 7, so that the hydraulic press 6 drives the cold extrusion forming movable die to extrude and close the modular extrusion forming die, and at the same time, the powder material tank 7 discharges the powder raw material inside the powder material tank 7 into the modular extrusion forming die through the discharge pipe 71 at the bottom thereof;

[0042] In this embodiment, a control box 11 is fixedly installed on the outer side of the support frame 4, and the controller inside the control box 11 is electrically connected to the electric rotating table 1, the hydraulic press 6 and the powder tank 7 for communication; the controller adopts the existing technology, such as the PLC controller in the existing technology, so it will not be described in detail here.

[0043] In this embodiment, the modular extrusion molding die includes a triangular bracket 2 and an annular die seat 3, and the triangular bracket 2 is fixedly installed inside the annular die seat 3 so as to be disassembled and assembled between the triangular bracket 2 and the electric rotating table 1 while reducing the overall weight. The triangular bracket 2 is detachably fixedly connected to the output end of the electric rotating table 1.

[0044] In this embodiment, the annular die seat 3 is an annular die seat with a plurality of metal cold extrusion fixed dies 14 in an annular array fixedly mounted on the upper surface; so that the shell of the new energy heating element can be cold extruded by the annular die seat 3 of this structure.

[0045] In this embodiment, the annular die seat 3 is an annular die seat with a plurality of powder raw material pressing cavities 15 in an annular array on its upper surface; so that the powder raw material of the new energy ceramic thermistor heating element can be cold extruded through the annular die seat 3 of this structure.

[0046] In this embodiment, the cold extrusion forming movable die is a metal part cold extrusion movable die 16 corresponding to the metal part cold extrusion fixed die 14, so that the shell of the new energy heating element on the metal part cold extrusion fixed die 14 can be cold extruded by the metal part cold extrusion movable die 16.

[0047] In this embodiment, the cold extrusion molding movable die is a powder raw material pressing brake die 17 corresponding to the powder raw material pressing die cavity 15, so that the powder raw material in the powder raw material pressing die cavity 15 is cold extruded by the powder raw material pressing brake die 17.

[0048] In this embodiment, the stirring mechanism includes a motor 9 and a spiral blade 10, and the motor 9 is fixedly installed at the top of the outside of the powder tank 7, and the output end of the motor 9 rotates and extends into the interior of the powder tank 7; the spiral blade 10 is rotatably installed inside the powder tank 7, and one end of the spiral blade 10 is fixedly connected to the output end of the motor 9; the motor 9 is electrically connected to the controller for communication; so that the spiral blade 10 is driven by the motor 9 to rotate inside the powder tank 7, the powder raw material inside the powder tank 7 is stirred, and the powder raw material inside the powder tank 7 is prevented from agglomerating.

[0049] In the present embodiment, a feeding bin 8 is fixedly installed on one side of the top of the powder tank 7 so that the powder raw material can be added to the powder tank 7 through the feeding bin 8, and the feeding bin 8 is connected to the inside of the powder tank 7, and a feeding pipe 81 is fixedly installed on the feeding bin 8, and the feeding pipe 81 is connected to the inside of the feeding bin 8; a powder level sensor is fixedly installed inside the powder tank 7, and the powder level sensor is equipped with a corresponding alarm, and the alarm is fixedly installed on the outside of the powder tank 7 so as to monitor the remaining amount of powder raw material inside the powder tank 7 in real time; a powder discharge flowmeter is provided on the powder tank 7 so that the powder raw material inside the powder tank 7 can be quantitatively discharged according to demand; the powder level sensor is electrically connected to the input end of the controller for communication, and when the powder level sensor detects that the powder raw material inside the powder tank 7 is lower than the set value, the powder level sensor is triggered and the alarm is operated to remind relevant personnel to add the required powder raw material to the powder tank 7 in time; the alarm and the flowmeter are electrically connected to the output end of the controller for communication so that the parameters of the flowmeter can be set by the controller;

[0050] The powder level sensor uses the MT1260 box-type weighing sensor, but is not limited to this type. Other types of powder level sensors can also be used;

[0051] The flow meter used is the new type of powder flow meter GY / VGD-100-FL, but it is not limited to this type and can also be other types of powder flow meters.

[0052] In this embodiment, a coaxial threaded hole 13 is provided at the output end of the electric rotating table 1, and the output end of the electric rotating table 1 is detachably fixedly connected to the triangular bracket 2 through the threaded hole 13 and the bolt 12; a threaded countersunk hole 21 corresponding to the threaded hole 13 is provided through the center of the triangular bracket 2; the bolt 12 is fixedly installed in the threaded countersunk hole 21 and the threaded hole 13; the threaded countersunk hole 21 and the threaded hole 13 are provided in combination with the bolt 12, so as to replace modular extrusion molding dies of different forms.

[0053] Implementation column 1: When it is necessary to cold extrude the metal parts of the heating element for new energy vehicles, such as the shell of the heating element, it is only necessary to replace the modular extrusion molding die equipped with the metal part cold extrusion fixed die 14 corresponding to the shell, and replace the metal part cold extrusion movable die 16 corresponding to the metal part cold extrusion fixed die 14; then place the shell original in the corresponding metal part cold extrusion fixed die 14 in sequence, and drive each metal part cold extrusion fixed die 14 to carry the shell original to the bottom of the metal part cold extrusion movable die 16 at the output end of the hydraulic press 6 through the electric rotating table 1, and stop rotating; at this time, the metal part cold extrusion movable die 16 is driven by the hydraulic press 6 to cold extrude the shell original in the metal part cold extrusion fixed die 14 below it; after the shell original is formed, continue to let the electric rotating table 1 rotate, so that the next metal part cold extrusion fixed die 14 carries the shell original to the bottom of the metal part cold extrusion movable die 16 at the output end of the hydraulic press 6, stops rotating, and repeats the above processing action; finally, the formed shell can be manually taken out, and it can also be automatically loaded and unloaded with an external robotic arm.

[0054] Implementation column 2: When it is necessary to cold extrude the powder raw material of the ceramic thermistor heating element for new energy vehicles into an integrated form, replace the modular extrusion molding die equipped with the powder raw material pressing cavity 15 corresponding to the ceramic thermistor heating element, and replace the powder raw material pressing brake die 17 corresponding to the powder raw material pressing cavity 15; then rotate the electric rotating table 1 to move the powder raw material pressing cavity 15 to the discharge port at the bottom of the powder material tank 7 in sequence, and stop rotating, and discharge the powder originals in the powder material tank 7 into the corresponding powder raw material pressing cavity 15 in sequence. When the powder raw material pressing cavity 15 carries the powder The final raw material moves to the bottom of the powder raw material pressing and braking die 17 at the output end of the hydraulic press 6 and stops rotating; at this time, the powder raw material pressing and braking die 17 is driven by the hydraulic press 6 to cold extrude the powder raw material in the powder raw material pressing die cavity 15 below it; after the powder raw material is formed, the electric rotating table 1 continues to rotate, so that the next powder raw material pressing die cavity 15 carries the powder raw material and moves to the bottom of the powder raw material pressing and braking die 17 at the output end of the hydraulic press 6, stops rotating, and repeats the above processing actions; finally, the formed ceramic thermistor heating element can be manually taken out, and it can also be automatically loaded and unloaded in cooperation with an external robotic arm.

[0055] All kinds of components used in this application document are standard parts, and the specific connection methods of each part adopt mature conventional means such as threads, bolts, nesting, etc. in the prior art. Each structure adopts conventional materials in the prior art, and no specific description is given here.

[0056] To sum up: this kind of cold extrusion one-piece molding equipment for heating elements for new energy vehicles, through the overall setting, can not only perform cold extrude one-piece molding on the metal shell of the heating element for new energy vehicles, but also perform cold extrude one-piece molding on the powder raw materials of the ceramic thermistor heating element for new energy vehicles; in this way, one device can extrude and mold two new energy vehicle heating elements with different structural forms, thereby reducing the investment in equipment and cost.

[0057] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cold extrusion integrated molding equipment for heating elements for new energy vehicles, characterized in that: It comprises an electric rotating table (1), wherein: a hydraulic press (6) is fixedly mounted on one side of the electric rotating table (1) via a first support frame (4), and a powder material tank (7) is fixedly mounted on one side of the electric rotating table (1) via a second support frame (5); The output end of the hydraulic press (6) is detachably fixedly provided with a cold extrusion forming movable die; A modular extrusion forming die is detachably fixedly mounted on the output end of the electric rotating table (1); The powder tank (7) is provided with a stirring mechanism; The modular extrusion forming die is located below the hydraulic press (6) and the powder material tank (7); A control box (11) is fixedly mounted on the outer side of the support frame 1 (4), and a controller inside the control box (11) is electrically connected to the electric rotating table (1), the hydraulic press (6) and the powder material tank (7).

2. A cold extrusion integrated molding device for a heating element for a new energy vehicle as claimed in claim 1, characterized in that: The modular extrusion molding die comprises a triangular bracket (2) and an annular die seat (3), wherein the triangular bracket (2) is fixedly installed inside the annular die seat (3), and the triangular bracket (2) is detachably fixedly connected to the output end of the electric rotating table (1).

3. A cold extrusion integrated molding device for a heating element for a new energy vehicle as claimed in claim 2, characterized in that: The annular die seat (3) is an annular die seat on the upper surface of which a plurality of metal cold extrusion fixed dies (14) in an annular array are fixedly mounted.

4. A cold extrusion integrated molding device for a heating element for a new energy vehicle as claimed in claim 2, characterized in that: The annular die seat (3) is an annular die seat with a plurality of powder raw material pressing cavities (15) in an annular array on its upper surface.

5. A cold extrusion integrated molding device for a heating element for a new energy vehicle as claimed in claim 1 or 3, characterized in that: The cold extrusion forming movable die is a metal part cold extrusion movable die (16) corresponding to the metal part cold extrusion fixed die (14).

6. A cold extrusion integrated molding device for a heating element for a new energy vehicle as claimed in claim 1 or 4, characterized in that: The cold extrusion molding movable die is a powder raw material pressing brake die (17) corresponding to the powder raw material pressing die cavity (15).

7. The cold extrusion integrated molding equipment for heating elements for new energy vehicles according to claim 1, characterized in that: The stirring mechanism comprises a motor (9) and a spiral blade (10), wherein the motor (9) is fixedly mounted on the top of the outside of the powder material tank (7), and the output end of the motor (9) rotates to extend into the inside of the powder material tank (7); the spiral blade (10) is rotatably mounted inside the powder material tank (7), and one end of the spiral blade (10) is fixedly connected to the output end of the motor (9); and the motor (9) is electrically connected to the controller for communication.

8. A cold extrusion integrated molding device for a heating element for a new energy vehicle as claimed in claim 1 or 7, characterized in that: A feed bin (8) is fixedly mounted on one side of the top of the powder tank (7), and the feed bin (8) is communicated with the inside of the powder tank (7); a powder level sensor is fixedly mounted inside the powder tank (7); a powder discharge flow meter is provided on the powder tank (7); the powder level sensor and the flow meter are electrically connected to communicate with the controller.

9. A cold extrusion integrated molding device for a heating element for a new energy vehicle as claimed in claim 2, characterized in that: The output end of the electric rotating platform (1) is provided with a coaxial threaded hole (13), and the output end of the electric rotating platform (1) is detachably fixedly connected to the tripod bracket (2) through the threaded hole (13) and the matching bolts (12).

10. The cold extrusion integrated molding equipment for heating elements for new energy vehicles according to claim 2, characterized in that: A threaded countersunk hole (21) corresponding to the threaded hole (13) is formed through the center of the triangular bracket (2); the bolt (12) is fixedly installed in the threaded countersunk hole (21) and the threaded hole (13).

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