Core pulling device and die casting equipment for new energy automobile parts

Abstract

The utility model provides a core pulling device and die casting equipment for new energy automobile parts. The core-pulling device comprises an upper die mechanism, a lower die mechanism, a main core-pulling mechanism, a first core-pulling fixing mechanism and a second core-pulling fixing mechanism, the upper die mechanism is provided with an upper die cavity; the lower die mechanism is detachably connected with the upper die mechanism, and the lower die mechanism is provided with a lower die cavity, a mounting groove, a first through groove and a second through groove; the main core-pulling mechanism is arranged in the mounting groove in a penetrating manner, is in sliding connection with the lower die mechanism and is used for fixing a part; the first core-pulling fixing mechanism penetrates through the first through groove and is in sliding connection with the lower die mechanism, and the first core-pulling fixing mechanism abuts against one side of the main core-pulling mechanism; the second core-pulling fixing mechanism and the first core-pulling fixing mechanism are oppositely arranged, the second core-pulling fixing mechanism is arranged in the second passing groove in a penetrating mode and connected with the lower die mechanism in a sliding mode, and the second core-pulling fixing mechanism abuts against the other side of the main core-pulling mechanism. The core pulling device is high in die-casting forming efficiency of parts.

Description

Technical Field

[0001] The present disclosure relates to the technical field of die-casting equipment, and in particular to a core pulling device and die-casting equipment for new energy vehicle parts. Background Art

[0002] Die casting equipment is a mold device used to inject molten glue into the die casting cavity to form parts with a certain shape and size. Die casting equipment is widely used in the fields of automobiles, electronic appliances, mechanical equipment, aerospace, railway transportation and medical equipment. Die casting equipment consists of the main body of the equipment and the core pulling device. The core pulling device is connected to the main body of the equipment and is used to fix the parts.

[0003] In the prior art, the core pulling device includes an upper mold mechanism, a lower mold mechanism and a core pulling mechanism; the upper mold mechanism is connected to the lower mold mechanism to form a core cavity for molding parts, and the core pulling mechanism includes an oblique core pulling assembly and a driving assembly, and the oblique core pulling assembly and the driving assembly are both connected to the lower mold mechanism. The power output end of the driving assembly is connected to the oblique core pulling assembly so that the driving assembly drives the oblique core pulling assembly to move relative to the lower mold mechanism. The fixed end of the oblique core pulling assembly is located in the core cavity so that the fixed end of the oblique core pulling assembly is used to fix parts, such as the Chinese patent with patent number CN201810771645.3.

[0004] However, since the fixed end of the oblique core pulling assembly is used to fix the parts, and no fixed structure is provided on both sides of the oblique core pulling assembly, the oblique core pulling assembly is subjected to a large force during the process of closing or opening the upper mold mechanism and the lower mold mechanism, which makes it easier for the oblique core pulling assembly to retreat under the action of a large force, making it difficult for the oblique core pulling assembly to press and fix the parts, which is not convenient for die-casting of the parts, making the oblique core pulling assembly less convenient for die-casting of the parts, and further making the die-casting efficiency of the core pulling device for the parts lower. Utility Model Content

[0005] The purpose of the present invention is to overcome the deficiencies in the prior art and provide a core pulling device with higher efficiency in die casting of parts and die casting equipment for new energy vehicle parts.

[0006] The purpose of this disclosure is achieved through the following technical solutions:

[0007] A core pulling device, used to be connected to a device body, characterized by comprising:

[0008] An upper die mechanism is provided with an upper die cavity;

[0009] A lower mold mechanism is detachably connected to the upper mold mechanism, the lower mold mechanism is provided with a lower mold cavity, a mounting groove, a first through groove and a second through groove, the mounting groove is respectively connected with the lower mold cavity, the first through groove and the second through groove, the lower mold cavity is connected with the upper mold cavity to form a mold cavity for molding parts; the lower mold mechanism is used to be installed on the equipment body;

[0010] A main core-pulling mechanism, which is inserted into the mounting groove and is slidably connected to the lower mold mechanism, and is used to fix the part;

[0011] A first core-pulling fixing mechanism is provided through the first through groove and is slidably connected to the lower mold mechanism, and the first core-pulling fixing mechanism abuts against one side of the main core-pulling mechanism;

[0012] The second core-pulling fixing mechanism is arranged opposite to the first core-pulling fixing mechanism, the second core-pulling fixing mechanism is passed through the second through groove and is slidably connected to the lower mold mechanism, and the second core-pulling fixing mechanism abuts against the other side of the main core-pulling mechanism.

[0013] In one embodiment, the main core pulling mechanism includes a main core pulling assembly and a main driving assembly. The power output end of the main driving assembly is connected to the main core pulling assembly so that the main driving assembly drives the main core pulling assembly to slide relative to the lower mold mechanism. The main core pulling assembly is inserted into the mounting groove and is slidably connected to the lower mold mechanism. The main core pulling assembly is used to fix the parts. The main core pulling assembly is respectively abutted against the first core pulling fixing mechanism and the second core pulling fixing mechanism. The main driving assembly is connected to the lower mold mechanism, and the main driving assembly is used to be electrically connected to an external power supply.

[0014] In one embodiment, the first core-pulling fixing mechanism includes a first fixing part and a first driving assembly, a power output end of the first driving assembly is connected to the first fixing part, so that the first driving assembly drives the first fixing part to slide relative to the lower mold mechanism, the first fixing part is passed through the first slot and is slidably connected to the lower mold mechanism, the first fixing part abuts against one side of the main core-pulling assembly, the first driving assembly is connected to one side of the lower mold mechanism, and the first driving assembly is used to be electrically connected to the external power supply.

[0015] In one embodiment, the first drive assembly includes a first drive motor and a first connecting part connected to each other, and a power output end of the first drive motor is connected to the first fixed part through the first connecting part and the lower mold mechanism, so that the first drive motor drives the first fixed part to slide relative to the lower mold mechanism, the first connecting part is connected to one side of the lower mold mechanism, and the first drive motor is used to be electrically connected to the external power supply.

[0016] In one embodiment, the second core-pulling fixing mechanism includes a second fixing part and a second driving assembly, the power output end of the second driving assembly is connected to the second fixing part, so that the second driving assembly drives the second fixing part to slide relative to the lower mold mechanism, the second fixing part is passed through the second slot and is slidably connected to the lower mold mechanism, the second fixing part abuts against the other side of the main core-pulling assembly, the second driving assembly is connected to the other side of the lower mold mechanism, and the second driving assembly is used to be electrically connected to the external power supply.

[0017] In one embodiment, the second drive assembly includes a second drive motor and a second connecting part connected to each other, and the power output end of the second drive motor is connected to the second fixed part through the second connecting part and the lower mold mechanism, so that the second drive motor drives the second fixed part to slide relative to the lower mold mechanism, and the second connecting part is connected to the other side of the lower mold mechanism, and the second drive motor is used to be electrically connected to the external power supply.

[0018] In one embodiment, the main core pulling assembly includes a pressure portion and a transition portion that are connected to each other, and the power output end of the main driving assembly is connected to the transition portion so that the main driving assembly drives the transition portion to slide relative to the lower mold mechanism, and the transition portion is located in the mounting groove, and the pressure portion is inserted into the mounting groove and is slidably connected to the lower mold mechanism. The pressure portion is used to fix the part, and the pressure portion is respectively in contact with the first core pulling fixing mechanism and the second core pulling fixing mechanism.

[0019] In one embodiment, the pressing portion and the transition portion are welded.

[0020] In one embodiment, the first core-pulling fixing mechanism and the second core-pulling fixing mechanism are axially symmetrically distributed about the central axis of the lower mold mechanism.

[0021] A casting device for a new energy vehicle comprises a device body and a core pulling device as described in any one of the above embodiments, wherein the core pulling device is connected to the device body.

[0022] Compared with the prior art, the present invention has at least the following advantages:

[0023] Since the main core-pulling mechanism is used to fix parts, the first core-pulling fixing mechanism abuts against one side of the main core-pulling mechanism, and the second core-pulling fixing mechanism abuts against the other side of the main core-pulling mechanism, so that the first core-pulling fixing mechanism and the second core-pulling fixing mechanism work together to fix the position of the main core-pulling mechanism, so that both sides of the main core-pulling mechanism are respectively provided with fixing structures, thereby avoiding the problem that the two sides of the oblique core-pulling assembly in the prior art are not provided with fixing structures. In the process of closing or opening the upper mold mechanism and the lower mold mechanism, the first core-pulling fixing mechanism abuts against one side of the main core-pulling mechanism to generate a first force, and the second core-pulling fixing mechanism abuts against A second force is generated on the other side of the main core-pulling mechanism, and the first force and the second force work together to offset part of the force generated during the closing or opening of the upper mold mechanism and the lower mold mechanism, so that the main core-pulling mechanism is subjected to a smaller force under the joint action of the first core-pulling fixing mechanism and the second core-pulling fixing mechanism, so that the main core-pulling mechanism is more difficult to retreat under the action of a smaller force, thereby making it easier for the main core-pulling mechanism to press and fix the parts, which is beneficial to the die-casting of the parts, making the main core-pulling mechanism more convenient for die-casting of the parts, and further making the core-pulling device more efficient in die-casting of the parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present disclosure and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0025] Figure 1 A schematic structural diagram of a core pulling device according to an embodiment;

[0026] Figure 2 for Figure 1 The AA line cross-sectional view of the core pulling device shown;

[0027] Figure 3 for Figure 1 A schematic structural diagram of the core pulling device from another perspective shown;

[0028] Figure 4 for Figure 3 The BB line cross-sectional view of the core pulling device shown;

[0029] Figure 5 for Figure 1 A schematic structural diagram of the core pulling device from another perspective is shown. DETAILED DESCRIPTION

[0030] In order to facilitate the understanding of the present disclosure, the present disclosure will be described more fully below with reference to the relevant drawings. The preferred embodiments of the present disclosure are given in the drawings. However, the present disclosure can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present disclosure more thoroughly and comprehensively understood.

[0031] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0032] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present disclosure. The terms used herein in the specification of the present disclosure are only for the purpose of describing specific embodiments and are not intended to limit the present disclosure. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0033] The present invention provides a core pulling device, which is used for connecting with an equipment main body.

[0034] Furthermore, the core pulling device includes an upper mold mechanism, a lower mold mechanism, a main core pulling mechanism, a first core pulling fixing mechanism and a second core pulling fixing mechanism; the upper mold mechanism is provided with an upper mold cavity; the lower mold mechanism is detachably connected to the upper mold mechanism, and the lower mold mechanism is provided with a lower mold cavity, an installation groove, a first through groove and a second through groove, the installation groove is respectively connected to the lower mold cavity, the first through groove and the second through groove, and the lower mold cavity is connected to the upper mold cavity to form a cavity for molding parts; the lower mold mechanism is used to be installed on the equipment body; the main core pulling mechanism is penetrated in the installation groove and is slidably connected to the lower mold mechanism, and the main core pulling mechanism is used to fix the parts; the first core pulling fixing mechanism is penetrated in the first through groove and is slidably connected to the lower mold mechanism, and the first core pulling fixing mechanism abuts against one side of the main core pulling mechanism; the second core pulling fixing mechanism is arranged opposite to the first core pulling fixing mechanism, the second core pulling fixing mechanism is penetrated in the second through groove and is slidably connected to the lower mold mechanism, and the second core pulling fixing mechanism abuts against the other side of the main core pulling mechanism.

[0035] In the above-mentioned core-pulling device, since the main core-pulling mechanism is used to fix the parts, the first core-pulling fixing mechanism abuts against one side of the main core-pulling mechanism, and the second core-pulling fixing mechanism abuts against the other side of the main core-pulling mechanism, so that the first core-pulling fixing mechanism and the second core-pulling fixing mechanism work together to fix the position of the main core-pulling mechanism, so that the two sides of the main core-pulling mechanism are respectively provided with fixing structures, thereby avoiding the problem that the two sides of the oblique core-pulling assembly in the prior art are not provided with fixing structures. In the process of closing or opening the upper mold mechanism and the lower mold mechanism, the first core-pulling fixing mechanism abuts against one side of the main core-pulling mechanism to generate a first force, and the second ... The fixed mechanism abuts against the other side of the main core-pulling mechanism to generate a second force. The first force and the second force work together to offset part of the force generated during the closing or opening of the upper mold mechanism and the lower mold mechanism, so that the main core-pulling mechanism is subjected to a smaller force under the joint action of the first core-pulling fixing mechanism and the second core-pulling fixing mechanism, so that the main core-pulling mechanism is more difficult to retreat under the action of a smaller force, thereby making it easier for the main core-pulling mechanism to press and fix the parts, which is beneficial to the die-casting of the parts, making the main core-pulling mechanism more convenient for die-casting of the parts, and thereby making the core-pulling device more efficient in die-casting of the parts.

[0036] In order to better understand the technical solutions and beneficial effects of the present invention, the present invention is further described in detail below in conjunction with specific embodiments:

[0037] like Figures 1 to 5 As shown, a core pulling device 10 according to an embodiment is used to be connected to a device body.

[0038] Furthermore, the core pulling device 10 includes an upper mold mechanism 100, a lower mold mechanism 200, a main core pulling mechanism 300, a first core pulling fixing mechanism 400 and a second core pulling fixing mechanism 500; the upper mold mechanism 100 is provided with an upper mold cavity 110; the lower mold mechanism 200 is detachably connected to the upper mold mechanism 100, and the lower mold mechanism 200 is provided with a lower mold cavity 210, a mounting groove 220, a first through groove 230 and a second through groove 240, the mounting groove 220 is respectively connected to the lower mold cavity 210, the first through groove 230 and the second through groove 240, the lower mold cavity 210 is connected to the upper mold cavity 110 to form a cavity for molding the part 20; the lower mold mechanism 2 00 is used to be installed on the equipment body; the main core-pulling mechanism 300 is penetrated through the installation groove 220 and is slidably connected to the lower mold mechanism 200, and the main core-pulling mechanism 300 is used to fix the part 20; the first core-pulling fixing mechanism 400 is penetrated through the first through groove 230 and is slidably connected to the lower mold mechanism 200, and the first core-pulling fixing mechanism 400 abuts against one side of the main core-pulling mechanism 300; the second core-pulling fixing mechanism 500 is arranged opposite to the first core-pulling fixing mechanism 400, the second core-pulling fixing mechanism 500 is penetrated through the second through groove 240 and is slidably connected to the lower mold mechanism 200, and the second core-pulling fixing mechanism 500 abuts against the other side of the main core-pulling mechanism 300.

[0039] In this embodiment, the main core pulling mechanism 300 is used to fix the part 20, the first core pulling fixing mechanism 400 is passed through the first groove 230 and moves to abut against one side of the main core pulling mechanism 300, and at the same time, the second core pulling fixing mechanism 500 is passed through the second groove 240 and moves to abut against the other side of the main core pulling mechanism 300, so that the first core pulling fixing mechanism 400 and the second core pulling fixing mechanism 500 act on the main core pulling mechanism 300 together.

[0040] In the core pulling device 10, since the main core pulling mechanism 300 is used to fix the part 20, the first core pulling fixing mechanism 400 abuts against one side of the main core pulling mechanism 300, and the second core pulling fixing mechanism 500 abuts against the other side of the main core pulling mechanism 300, so that the first core pulling fixing mechanism 400 and the second core pulling fixing mechanism 500 work together to fix the position of the main core pulling mechanism 300, so that the two sides of the main core pulling mechanism 300 are respectively provided with fixing structures, thereby avoiding the problem of no fixing structures on both sides of the oblique core pulling assembly in the prior art. In the process of closing or opening the upper mold mechanism 100 and the lower mold mechanism 200, the first core pulling fixing mechanism 400 abuts against one side of the main core pulling mechanism 300 to generate a first force, and the second core pulling fixing mechanism 500 abuts against one side of the main core pulling mechanism 300 to generate a first force, and the second core pulling fixing mechanism 500 abuts against one side of the main core pulling mechanism 300 to generate a first force. The fixing mechanism 500 abuts against the other side of the main core-pulling mechanism 300 to generate a second force. The first force and the second force work together to offset part of the force generated during the closing or opening of the upper mold mechanism 100 and the lower mold mechanism 200, so that the main core-pulling mechanism 300 is subjected to a smaller force under the joint action of the first core-pulling fixing mechanism 400 and the second core-pulling fixing mechanism 500, so that the main core-pulling mechanism 300 is more difficult to retreat under the action of a smaller force, thereby making it easier for the main core-pulling mechanism 300 to press and fix the part 20, which is beneficial to the die-casting of the part 20, making it more convenient for the main core-pulling mechanism 300 to die-cast the part 20, and thereby making the core-pulling device 10 more efficient in die-casting the part 20.

[0041] like Figures 1 to 5As shown, in one embodiment, the main core pulling mechanism 300 includes a main core pulling assembly 310 and a main driving assembly 320. The power output end of the main driving assembly 320 is connected to the main core pulling assembly 310 so that the main driving assembly 320 drives the main core pulling assembly 310 to slide relative to the lower mold mechanism 200. The main core pulling assembly 310 is inserted into the mounting groove 220 and is slidably connected to the lower mold mechanism 200. The main core pulling assembly 310 is used to fix the part 20. The main core pulling assembly 310 is respectively abutted against the first core pulling fixing mechanism 400 and the second core pulling fixing mechanism 500. The main driving assembly 320 is connected to the lower mold mechanism 200, and the main driving assembly 320 is used to be electrically connected to an external power supply. In this embodiment, the main driving assembly 320 is electrically connected to an external power supply so that the main driving assembly 320 drives the main core pulling assembly 310 to slide relative to the lower mold mechanism 200, and the main driving assembly 320 uses a driving motor to drive the main core pulling assembly 310.

[0042] like Figures 1 to 5 As shown, in one embodiment, the first core-pulling fixing mechanism 400 includes a first fixing portion 410 and a first driving assembly 420, the power output end of the first driving assembly 420 is connected to the first fixing portion 410, so that the first driving assembly 420 drives the first fixing portion 410 to slide relative to the lower mold mechanism 200, the first fixing portion 410 is inserted into the first slot 230 and is slidably connected to the lower mold mechanism 200, the first fixing portion 410 abuts against one side of the main core-pulling assembly 310, the first driving assembly 420 is connected to one side of the lower mold mechanism 200, and the first driving assembly 420 is used to be electrically connected to an external power supply. In this embodiment, the first driving assembly 420 is electrically connected to an external power supply, so that the first driving assembly 420 drives the first fixing portion 410 to slide relative to the lower mold mechanism 200, and the first driving assembly 420 uses a driving motor to drive the first fixing portion 410.

[0043] like Figures 1 to 5 As shown, in one embodiment, the first drive assembly 420 includes a first drive motor 421 and a first connecting portion 422 connected to each other, the power output end of the first drive motor 421 is connected to the first fixed portion 410 through the first connecting portion 422 and the lower mold mechanism 200, so that the first drive motor 421 drives the first fixed portion 410 to slide relative to the lower mold mechanism 200, the first connecting portion 422 is connected to one side of the lower mold mechanism 200, and the first drive motor 421 is used to be electrically connected to an external power source. In this embodiment, the first connecting portion 422 is provided with a first pivoting groove 422a and a first receiving groove 422b that are connected to each other, the power output end of the first drive motor 421 is arranged in the first pivoting groove 422a and is located in the first receiving groove 422b, so that the power output end of the first drive motor 421 is connected to the first fixed portion 410 through the first connecting portion 422 and the lower mold mechanism 200.

[0044] like Figures 1 to 5 As shown, in one embodiment, the second core-pulling fixing mechanism 500 includes a second fixing portion 510 and a second driving assembly 520, the power output end of the second driving assembly 520 is connected to the second fixing portion 510, so that the second driving assembly 520 drives the second fixing portion 510 to slide relative to the lower mold mechanism 200, the second fixing portion 510 is penetrated through the second slot 240 and is slidably connected to the lower mold mechanism 200, the second fixing portion 510 abuts against the other side of the main core-pulling assembly 310, the second driving assembly 520 is connected to the other side of the lower mold mechanism 200, and the second driving assembly 520 is used to be electrically connected to an external power supply. In this embodiment, the second driving assembly 520 is electrically connected to an external power supply, so that the second driving assembly 520 drives the second fixing portion 510 to slide relative to the lower mold mechanism 200, and the second driving assembly 420 uses a driving motor to drive the second fixing portion 410.

[0045] like Figures 1 to 5 As shown, in one embodiment, the second drive assembly 520 includes a second drive motor 521 and a second connecting portion 522 connected to each other, the power output end of the second drive motor 521 is connected to the second fixed portion 510 through the second connecting portion 522 and the lower mold mechanism 200, so that the second drive motor 521 drives the second fixed portion 510 to slide relative to the lower mold mechanism 200, the second connecting portion 522 is connected to the other side of the lower mold mechanism 200, and the second drive motor 521 is used to be electrically connected to an external power source. In this embodiment, the second connecting portion 522 is provided with a second pivoting groove 522a and a second receiving groove 522b that are connected to each other, the power output end of the second drive motor 521 is arranged in the second pivoting groove 522a and is located in the second receiving groove 522b, so that the power output end of the second drive motor 521 is connected to the second fixed portion 510 through the second connecting portion 522 and the lower mold mechanism 200.

[0046] like Figures 1 to 5 As shown, in one embodiment, the main core pulling assembly 310 includes a pressing portion 311 and a transition portion 312 connected to each other, and the power output end of the main driving assembly 320 is connected to the transition portion 312, so that the main driving assembly 320 drives the transition portion 312 to slide relative to the lower mold mechanism 200, and the transition portion 312 is located in the mounting groove 220, and the pressing portion 311 is penetrated through the mounting groove 220 and is slidably connected to the lower mold mechanism 200, and the pressing portion 311 is used to fix the part 20, and the pressing portion 311 is respectively in contact with the first core pulling fixing mechanism 400 and the second core pulling fixing mechanism 500. In this embodiment, the power output end of the main driving assembly 320 is connected to the transition portion 312, so that the main driving assembly 320 drives the transition portion 312 to slide relative to the lower mold mechanism 200, and then the transition portion 312 drives the pressing portion 311 to slide relative to the lower mold mechanism 200.

[0047] like Figures 1 to 5 As shown, in one embodiment, the pressing portion 311 is welded to the transition portion 312. In this embodiment, the pressing portion 311 is welded to the transition portion 312, so that the connection between the pressing portion 311 and the transition portion 312 is more stable.

[0048] like Figures 1 to 5 As shown, in one embodiment, the first core-pulling fixing mechanism 400 and the second core-pulling fixing mechanism 500 are axially symmetrically distributed with respect to the central axis of the lower mold mechanism 200. In this embodiment, the first core-pulling mechanism and the second core-pulling mechanism are axially symmetrically distributed with respect to the central axis of the movable mold mechanism, so that the first core-pulling mechanism and the second core-pulling mechanism respectively support the main core-pulling mechanism 300 more evenly, thereby making the forces on both sides of the main core-pulling mechanism 300 more balanced.

[0049] The present disclosure also provides a casting device for new energy vehicles, including a device body and a core pulling device 10 according to any one of the above embodiments, wherein the core pulling device 10 is connected to the device body.

[0050] Compared with the prior art, the present invention has at least the following advantages:

[0051] Since the main core-pulling mechanism 300 is used to fix the part 20, the first core-pulling fixing mechanism 400 abuts against one side of the main core-pulling mechanism 300, and the second core-pulling fixing mechanism 500 abuts against the other side of the main core-pulling mechanism 300, so that the first core-pulling fixing mechanism 400 and the second core-pulling fixing mechanism 500 work together to fix the position of the main core-pulling mechanism 300, so that the two sides of the main core-pulling mechanism 300 are respectively provided with fixed structures, thereby avoiding the problem that the two sides of the oblique core-pulling assembly in the prior art are not provided with fixed structures. In the process of closing or opening the upper mold mechanism 100 and the lower mold mechanism 200, the first core-pulling fixing mechanism 400 abuts against one side of the main core-pulling mechanism 300 to generate a first force, and the second core-pulling fixing mechanism 500 abuts against the other side of the main core-pulling mechanism 300 to generate a second force, and the first force and the second force work together to offset part of the force generated during the mold closing or opening process of the upper mold mechanism 100 and the lower mold mechanism 200, so that the main core-pulling mechanism 300 is subjected to a smaller force under the joint action of the first core-pulling fixing mechanism 400 and the second core-pulling fixing mechanism 500, so that the main core-pulling mechanism 300 is more difficult to retreat under the action of a smaller force, thereby making it easier for the main core-pulling mechanism 300 to press and fix the part 20, which is beneficial to the die-casting of the part 20, making it more convenient for the main core-pulling mechanism 300 to die-cast the part 20, and further making the core-pulling device more efficient in die-casting the part 20.

[0052] The above embodiments only express several implementation methods of the present disclosure, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the disclosed patent. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present disclosure, and these all belong to the protection scope of the present disclosure. Therefore, the protection scope of the disclosed patent shall be subject to the attached claims.

Claims

1. A core pulling device, used to connect with the main body of the equipment, characterized in that: include: An upper die mechanism is provided with an upper die cavity; A lower mold mechanism is detachably connected to the upper mold mechanism, the lower mold mechanism is provided with a lower mold cavity, a mounting groove, a first through groove and a second through groove, the mounting groove is respectively connected with the lower mold cavity, the first through groove and the second through groove, the lower mold cavity is connected with the upper mold cavity to form a mold cavity for molding parts; the lower mold mechanism is used to be installed on the equipment body; A main core-pulling mechanism, which is inserted into the mounting groove and is slidably connected to the lower mold mechanism, and is used to fix the part; A first core-pulling fixing mechanism is provided through the first through groove and is slidably connected to the lower mold mechanism, and the first core-pulling fixing mechanism abuts against one side of the main core-pulling mechanism; The second core-pulling fixing mechanism is arranged opposite to the first core-pulling fixing mechanism, the second core-pulling fixing mechanism is passed through the second through groove and is slidably connected to the lower mold mechanism, and the second core-pulling fixing mechanism abuts against the other side of the main core-pulling mechanism.

2. The core pulling device according to claim 1, characterized in that: The main core pulling mechanism includes a main core pulling assembly and a main driving assembly. The power output end of the main driving assembly is connected to the main core pulling assembly so that the main driving assembly drives the main core pulling assembly to slide relative to the lower mold mechanism. The main core pulling assembly is inserted into the mounting groove and is slidably connected to the lower mold mechanism. The main core pulling assembly is used to fix the parts. The main core pulling assembly is respectively abutted against the first core pulling fixing mechanism and the second core pulling fixing mechanism. The main driving assembly is connected to the lower mold mechanism, and the main driving assembly is used to be electrically connected to an external power supply.

3. The core pulling device according to claim 2, characterized in that: The first core-pulling fixing mechanism includes a first fixing part and a first driving assembly. The power output end of the first driving assembly is connected to the first fixing part so that the first driving assembly drives the first fixing part to slide relative to the lower mold mechanism. The first fixing part is inserted into the first slot and is slidably connected to the lower mold mechanism. The first fixing part abuts against one side of the main core-pulling assembly. The first driving assembly is connected to one side of the lower mold mechanism. The first driving assembly is used to be electrically connected to the external power supply.

4. The core pulling device according to claim 3, characterized in that: The first driving assembly includes a first driving motor and a first connecting part connected to each other. The power output end of the first driving motor is connected to the first fixing part through the first connecting part and the lower mold mechanism, so that the first driving motor drives the first fixing part to slide relative to the lower mold mechanism. The first connecting part is connected to one side of the lower mold mechanism, and the first driving motor is used to be electrically connected to the external power supply.

5. The core pulling device according to claim 4, characterized in that: The second core-pulling fixing mechanism includes a second fixing part and a second driving assembly. The power output end of the second driving assembly is connected to the second fixing part so that the second driving assembly drives the second fixing part to slide relative to the lower mold mechanism. The second fixing part is inserted into the second slot and is slidably connected to the lower mold mechanism. The second fixing part abuts against the other side of the main core-pulling assembly. The second driving assembly is connected to the other side of the lower mold mechanism. The second driving assembly is used to be electrically connected to the external power supply.

6. The core pulling device according to claim 5, characterized in that: The second drive assembly includes a second drive motor and a second connecting part connected to each other. The power output end of the second drive motor is connected to the second fixed part through the second connecting part and the lower mold mechanism, so that the second drive motor drives the second fixed part to slide relative to the lower mold mechanism. The second connecting part is connected to the other side of the lower mold mechanism, and the second drive motor is used to be electrically connected to the external power supply.

7. The core pulling device according to claim 2, characterized in that: The main core pulling assembly includes a pressing portion and a transition portion that are connected to each other. The power output end of the main driving assembly is connected to the transition portion so that the main driving assembly drives the transition portion to slide relative to the lower mold mechanism. The transition portion is located in the mounting groove. The pressing portion is inserted into the mounting groove and is slidably connected to the lower mold mechanism. The pressing portion is used to fix the part, and the pressing portion is respectively in contact with the first core pulling fixing mechanism and the second core pulling fixing mechanism.

8. The core pulling device according to claim 7, characterized in that: The pressing portion is welded to the transition portion.

9. The core pulling device according to claim 1, characterized in that: The first core-pulling fixing mechanism and the second core-pulling fixing mechanism are axially symmetrically distributed about the central axis of the lower mold mechanism.

10. A die-casting device for new energy vehicle parts, characterized in that: It comprises an equipment body and a core pulling device according to any one of claims 1 to 9, wherein the core pulling device is connected to the equipment body.

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