A water jacket core box mold for an electric motorcycle motor housing

Abstract

The present invention relates to the technical field of motor housing water jacket core box molds, specifically to an electric motorcycle motor housing water jacket core box mold, including two groups of symmetrically arranged clamping assemblies for driving two groups of upper molds to close, the clamping assemblies including two groups of hollow strip plates symmetrically arranged on the front side of the upper mold, the two groups of hollow strip plates are connected by a connecting plate, two groups of multi-section elastic telescopic rods are symmetrically installed on the lower surface of the connecting plate, the two groups of multi-section elastic telescopic rods are provided with traction ropes inside, and a winding roller is provided below the multi-section elastic telescopic rod, and the winding roller is arranged inside the mounting groove. The present invention enables the equipment to remain stable during use through the coordinated use of various components, ensures the quality of the molding core sand, and ensures the cooling effect of the motor housing and the overall performance and life of the motor.

Description

Technical Field

[0001] The invention relates to the technical field of motor housing water jacket core box moulds, in particular to a motor housing water jacket core box mould for an electric motorcycle. Background Art

[0002] The water jacket core box mold for the motor housing of an electric vehicle is usually composed of multiple parts, including a base, a left mold, a right mold and other core components. These components work together to shape the basic form of the motor housing; a cooling cavity is provided inside the motor housing to contain coolant to cool the motor. During the casting process of the motor housing, a water jacket core is placed in its cavity so that the molten iron can be drained through the water jacket core during casting. After cooling, the water jacket core is taken out to form a cooling cavity.

[0003] According to a motor housing water jacket core box mold with a publication number of CN113426947B on the Chinese Patent Network, by providing a first locking mechanism, when the left mold and the right mold are closed, the left mold and the right mold can be locked, thereby improving the stability of the mold during operation; However, the long-term contact between the left and right molds in the above-mentioned public document is prone to wear, which causes the gap to become larger and affects the molding quality of the sand core. It will not only reduce the cooling effect of the motor housing, but also affect the overall performance and life of the motor. Summary of the invention

[0004] The purpose of the present invention is to provide a water jacket core box mold for an electric motorcycle motor housing, so as to solve the problem in the prior art proposed in the above background technology that the left and right molds of the mold are easily worn when the mold is closed for a long time, resulting in the enlargement of the gap, which directly affects the sand core molding quality and weakens the cooling effect of the motor housing and the overall performance and life of the motor.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a water jacket core box mold for an electric motorcycle motor housing, comprising a base, the lower surface of the base being symmetrically provided with two groups of mounting grooves, the upper surface of the base being fixedly provided with a bottom mold, the surface of the bottom mold being slidably connected with two groups of symmetrically arranged upper molds, and also comprising: two groups of symmetrically arranged clamping assemblies for driving the two groups of upper molds to be closed, the clamping assemblies comprising two groups of hollow strip plates symmetrically arranged on the front side of the upper mold, the two groups of hollow strip plates being connected by a connecting plate, the lower surface of the connecting plate being symmetrically provided with two groups of multi-section elastic telescopic rods, the interior of the two groups of multi-section elastic telescopic rods being provided with traction ropes, a winding roller being provided below the multi-section elastic telescopic rods, and the winding roller being provided inside the mounting grooves.

[0006] Furthermore, two groups of first protrusions are symmetrically installed on the front and rear sides of the upper mold, and two groups of second protrusions are symmetrically installed on the front and rear sides of the upper mold, and the second protrusions are located below the first protrusions. The two groups of upper molds are each provided with a U-shaped groove at one end close to each other, and the inner wall of the U-shaped groove is symmetrically provided with slots.

[0007] Furthermore, the multi-section elastic telescopic rod is composed of a straight rod, a first set of rods and a second set of rods. The upper end of the straight rod is fixedly connected to the lower surface of the connecting plate, and the lower end of the straight rod is elastically connected to the bottom surface of the inner wall of the first set of rods through a first spring. The first set of rods is inserted into the interior of the second set of rods, and the lower end of the first set of rods is elastically connected to the inner bottom surface of the second set of rods through a second spring, and the first set of rods is fitted with the inner wall of the second set of rods, and the surfaces of the two groups of the second set of rods are connected by a conveying pipe.

[0008] Furthermore, the upper ends of the two groups of traction ropes are fixedly connected to the lower ends of the straight rods, and the lower ends of the traction ropes penetrate through the interiors of the first set of rods and the second set of rods and extend to the interior of the mounting groove.

[0009] Furthermore, rollers are attached to the surfaces of the two groups of traction ropes, the rollers are rotatably connected to the inner walls of the mounting grooves, and the rollers are staggered.

[0010] Furthermore, the winding roller is composed of two groups of winding wheels, and the two groups of winding wheels are arranged front and back, and the two groups of winding wheels are respectively fixedly connected to two groups of traction ropes, and one end of the winding roller is fixedly connected to a driving source.

[0011] Furthermore, it also includes two groups of symmetrically arranged locking components for locking the upper mold, the locking component includes a limit plate fixedly installed between two groups of multi-section elastic telescopic rods, and a circular hole is opened on one side of the limit plate, one side of the limit plate is movably connected with a rotating shaft, the inner wall of the circular hole is slidably engaged with a movable rod, one side of the movable rod is fixedly installed with a hollow plug rod, two groups of matching rods are symmetrically installed on the surface of the hollow plug rod, a disk is fixedly installed on the end of the rotating shaft away from the limit plate, two groups of cross plates are symmetrically installed on the surface of the disk, the surface of the cross plate is inclined with a tightening groove, and the tightening groove is slidably engaged with the second protruding rod.

[0012] Furthermore, a cavity is provided inside the limiting plate, and the upper end of the cavity is connected to the circular hole, and the lower end of the cavity is connected to the two groups of conveying pipes.

[0013] Furthermore, a notch is provided on one side of the rotating shaft close to the limiting plate, a plug hole is provided on the bottom surface of the notch, and two groups of arc grooves are symmetrically provided on the inner wall of the plug hole.

[0014] Furthermore, it also includes a seal for sealing the joint between the two groups of upper molds, the seal includes a hollow disk rotatably connected to one side of the disc and a push rod arranged inside the slot, the hollow disk is fixedly connected to the surface of the base, and the hollow disk is connected to the socket through a through hole, two groups of hoses are symmetrically installed on the surface of the hollow disk, and the ends of the hoses are connected to the slots, a U-shaped plate is fixedly installed on one end of the push rod, and the U-shaped plate is arranged inside the U-shaped groove.

[0015] Compared with the known prior art, the technical solution provided by the present invention has the following beneficial effects: The present invention provides a mold closing assembly and a locking assembly, and then when the equipment is in use, the rotation of the driving source drives the winding roller to start to rotate synchronously, so that the winding roller starts to reel in the traction rope and stretches the straight rod to start moving downward, and the downwardly moving straight rod drives the connecting plate and the hollow strip plate to move downward synchronously, and through the cooperation between the hollow strip plate and the first protruding rod, the two sets of upper molds start to move relative to each other, so as to achieve the purpose of mold closing. During the mold closing process, after the straight rod contracts to the inside of the first set of rods, it will drive the first set of rods to start moving downward and compress the gas inside the second set of rods, so that the gas enters the inside of the cavity through the conveying pipe and starts to push the rotating shaft to extend, and under the cooperation of the cooperating rod and the arc groove, the disc drives the cross plate to start to rotate, so that the tensioning groove starts to contact with the second protruding rod and drives the upper mold to fit tightly, so as to achieve the purpose of locking, and at the same time cooperate with the sealing members arranged at the ends of the two sets of upper molds, so that the upper mold will not shake during the sand blasting process, and at the same time ensure the sealing, thereby ensuring the quality of core sand molding. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the prior art descriptions. Obviously, the drawings described below are only some embodiments of the present invention, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 for Figure 1 Schematic diagram of structural separation; Figure 3 It is a schematic diagram of the overall structure of the mold clamping assembly of the present invention; Figure 4 It is a schematic diagram of the winding roller structure of the present invention; Figure 5 It is a schematic diagram of the internal structure of the multi-section elastic telescopic rod of the present invention; Figure 6 for Figure 1 A schematic diagram of the structure enlargement in the middle; Figure 7 It is a schematic diagram of the structure of the locking assembly of the present invention; Figure 8 for Figure 7 A magnified schematic diagram of the structure at B in the middle; Fig. 9 It is a schematic diagram of the structure of one side of the disc of the present invention; Fig.10 It is a schematic diagram of the positions of the top rod and the U-shaped plate of the present invention; Fig.11 for Fig.10 Enlarged schematic diagram of the structure at point C in the middle.

[0018] In the figure: 1, base; 101, mounting groove; 2, bottom mold; 3, upper mold; 301, first protruding rod; 302, second protruding rod; 303, U-shaped groove; 304, slot; 4, mold clamping assembly; 401, hollow strip plate; 402, connecting plate; 403, multi-section elastic telescopic rod; 4031, straight rod; 4032, first set of rods; 4033, second set of rods; 4034, conveying pipe; 404, traction rope; 4041, roller Wheel; 405, winding roller; 5, locking assembly; 501, limit plate; 5011, cavity; 502, rotating shaft; 5021, notch; 5022, socket; 5023, arc groove; 503, movable rod; 504, hollow plug rod; 505, matching rod; 506, disc; 507, cross plate; 508, tensioning groove; 6, sealing element; 601, hollow disc; 602, hose; 603, push rod; 604, U-shaped plate. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are 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 making creative work are within the scope of protection of the present invention.

[0020] The present invention will be further described below in conjunction with the embodiments.

[0021] Embodiment: A water jacket core box mold for an electric motorcycle motor housing, such as Figure 1-Figure 11 As shown, it includes a base 1, and two groups of mounting grooves 101 are symmetrically opened on the lower surface of the base 1. By setting the mounting grooves 101, it can play a role of storage and facilitate the installation of parts; a bottom mold 2 is fixedly installed on the upper surface of the base 1, and by setting the bottom mold 2, it can play a supporting role, ensuring that other components of the mold can be correctly combined together, thereby maintaining the stability and working efficiency of the mold; it is worth noting that the front and rear sides of the bottom mold 2 are provided with guide grooves for guidance and limiting; Among them, the surface of the bottom mold 2 is slidably connected with two groups of symmetrically arranged upper molds 3, which are arranged on the left and right sides of the bottom mold 2. By arranging the upper mold 3, a mold cavity can be jointly formed. Through matching and pressing, it is ensured that the product can maintain the correct shape and size during the molding process, and it can also prevent the product from being deformed or broken due to uneven force during the molding process; two groups of first protrusions 301 are symmetrically installed on the front and back sides of the upper mold 3, and two groups of second protrusions 302 are symmetrically installed on the front and back sides of the upper mold 3, and the second protrusions 302 are located below the first protrusions 301. By arranging the first protrusions 301 and the second protrusions 302, it can cooperate with other parts to drive the two groups of upper molds 3 to move relative to each other to achieve the purpose of mold closing; the ends of the two groups of upper molds 3 that are close to each other are both provided with U-shaped grooves 303, and the inner walls of the U-shaped grooves 303 are symmetrically provided with slots 304. By arranging the U-shaped grooves 303 and the slots 304, it can play a role of storage and guidance.

[0022] Combined with Figure 1 -Attached Fig.11 , by setting two groups of symmetrically arranged clamping assemblies 4 for driving two groups of upper molds 3 to close, by setting the clamping assemblies 4, the two groups of upper molds 3 can be driven to approach each other, so that the molds can be merged and form a mold cavity with the bottom mold 2, so as to facilitate sandblasting molding; it is worth mentioning that the two combined mold assemblies 4 are arranged on the front and rear sides of the upper mold 3; the clamping assembly 4 includes two groups of hollow strip plates 401 symmetrically arranged on the front side of the upper mold 3, and the two groups of symmetrically arranged hollow strip plates 401 are both sleeved on the surface of the first protruding rod 301 and slidably cooperate with the first protruding rod 301; the two groups of hollow strip plates 401 are connected by a connecting plate 402, and by setting the connecting plate 402, the two groups of connecting plates 402 on one side can be fixedly connected, so as to drive the two groups of hollow strip plates 401 on the same side to rise and fall synchronously; Among them, two groups of multi-section elastic telescopic rods 403 are symmetrically installed on the lower surface of the connecting plate 402. By setting up two groups of symmetrically arranged multi-section elastic telescopic rods 403, it is easy to drive the connecting plate 402 to move; the multi-section elastic telescopic rod 403 is composed of a straight rod 4031, a first set of rods 4032 and a second set of rods 4033. By setting up the straight rod 4031, the first set of rods 4032 and the second set of rods 4033, the connecting plate 402 can be driven to rise and fall; it is worth mentioning that the straight rod 4031 will first shrink inside the first set of rods 4032, and after the straight rod 4031 shrinks, The first set of rods 4032 will start to shrink inside the second set of rods 4033; the upper end of the straight rod 4031 is fixedly connected to the lower surface of the connecting plate 402, and the lower end of the straight rod 4031 is elastically connected to the inner wall bottom surface of the first set of rods 4032 through the first spring, the first set of rods 4032 is inserted into the second set of rods 4033, and the lower end of the first set of rods 4032 is elastically connected to the inner bottom surface of the second set of rods 4033 through the second spring, the elastic coefficient of the first spring is smaller than the elastic coefficient of the second spring, so that the straight rod 4031 can shrink first and the first set of rods 4032 can shrink later; The first set of rods 4032 fits with the inner wall of the second set of rods 4033. The first set of rods 4032 and the second set of rods 4033 fit each other so that when the first set of rods 4032 contracts inside the second set of rods 4033, the air inside the first set of rods 4032 is compressed; the surfaces of the two sets of second sets of rods 4033 are connected with the delivery pipes 4034, and the delivery pipes 4034 are provided to transport the compressed gas inside the second set of rods 4033; the interiors of the two sets of multi-section elastic telescopic rods 403 are provided with traction ropes 404, the upper ends of the two sets of traction ropes 404 are fixedly connected to the lower ends of the straight rods 4031, and the lower ends of the traction ropes 404 penetrate through the interiors of the first set of rods 4032 and the second set of rods 4033 and extend to the interior of the mounting groove 101. By providing the traction ropes 404, the purpose of traction can be achieved, so that the straight rods 4031 and the first set of rods 4032 can be contracted successively, thereby driving the connecting plate 402 to move.

[0023] Among them, the surfaces of the two groups of traction ropes 404 are attached with rollers 4041, and the rollers 4041 are rotatably connected to the inner wall of the installation groove 101, and the rollers 4041 are staggered. By setting the rollers 4041, it can play a guiding role, so that the traction rope 404 will not rub against the inner wall of the installation groove 101, thereby reducing loss and extending the service life; a winding roller 405 is provided below the multi-section elastic telescopic rod 403, and the winding roller 405 is arranged inside the installation groove 101, and the winding roller 405 is composed of two groups of winding wheels, and the two groups of winding wheels are arranged front and back, and the two groups of winding wheels are fixedly connected to the two groups of traction ropes 404 respectively, and the two groups of traction ropes 404 can be wound by setting the winding roller 405; it is worth noting that, in combination with the attached Figure 3 and attached Figure 4 The traction rope 404 on the left side is fixedly connected to the lower end of the winding wheel on the front side, and the traction rope 404 on the right side is fixedly connected to the upper end of the winding wheel on the rear side, so that when the winding roller 405 rotates, the two groups of traction ropes 404 can be wound up at the same time; one end of the winding roller 405 is fixedly connected to a driving source, which is a prior art and is not shown in the figure. A driving motor or other rotating device can be selected to drive the winding roller 405 to rotate and achieve the purpose of winding up the traction rope 404.

[0024] Combined with Figure 1 -Attached Fig.11 , and also includes two groups of locking components 5 symmetrically arranged for locking the upper mold 3, so that the two groups of upper molds 3 can maintain a locked state after being combined, so that the upper mold 3 remains stable during the sandblasting process, and the quality of the molded core sand is guaranteed; the locking component 5 includes a limit plate 501 fixedly installed between the two groups of multi-section elastic telescopic rods 403, and a circular hole is opened on one side of the limit plate 501. By setting the limit plate 501, it can play a role of limiting and fixing; a cavity 5011 is opened inside the limit plate 501, and the upper end of the cavity 5011 is connected to the circular hole, and the lower end of the cavity 5011 is connected to the two groups of conveying pipes 4034. By opening the cavity 5011, it can play a role of conveying the gas inside the conveying pipe 4034 and discharge it through the circular hole; Among them, one side of the limiting plate 501 is movably connected with a rotating shaft 502, and the setting of the rotating shaft 502 can play a connecting role; a notch 5021 is provided on the side of the rotating shaft 502 close to the limiting plate 501, and a plug hole 5022 is provided on the bottom surface of the notch 5021, and the plug hole 5022 is provided to facilitate the installation of parts; two groups of arc grooves 5023 are symmetrically provided on the inner wall of the plug hole 5022, and the arc grooves 5023 can cooperate with other parts to drive the rotating shaft 502 to rotate; the inner wall of the circular hole is slidably matched with a movable rod 503, and the movable rod 503 can slide inside the circular hole by providing it; it is worth noting that the surface of the movable rod 503 fits the inner wall of the circular hole, and one side of the movable rod 503 is rotatably connected to the inner wall of the notch 5021 through a connecting spring; Among them, a hollow plug rod 504 is fixedly installed on one side of the movable rod 503, and the hollow plug rod 504 is inserted into the inside of the insertion hole 5022, which can play a guiding and limiting role; two sets of matching rods 505 are symmetrically installed on the surface of the hollow plug rod 504, and the matching rods 505 are initially arranged inside the arc groove 5023 and slidably cooperate with the inner wall of the arc groove 5023, so that the compressed gas inside the second set of rods 4033 enters the inside of the cavity 5011 through the delivery pipe 4034, and acts on the surface of the movable rod 503, so that the movable rod 503 starts to drive the hollow plug rod 504 to move to the inside of the insertion hole 5022 and compress the connecting spring, and at the same time drives the matching rod 505 in the arc groove 5023 The inner part of the drive shaft 502 starts to rotate by sliding; a disk 506 is fixedly installed at one end of the shaft 502 away from the limiting plate 501, and two groups of horizontal plates 507 are symmetrically installed on the surface of the disk 506. By arranging the disk 506 and the horizontal plate 507, the disk 506 and the horizontal plate 507 can be driven to rotate synchronously through the rotation of the shaft 502; a tightening groove 508 is inclined on the surface of the horizontal plate 507, and the tightening groove 508 is slidably matched with the second protruding rod 302. By arranging the tightening groove 508, the horizontal plate 507 can start to contact the second protruding rod 302 during the rotation process, and the second protruding rod 302 is limited, so that the two groups of upper molds 3 can be tightly connected while maintaining stability, thereby ensuring the quality of the molding core sand.

[0025] Combined with Figure 1 -Attached Fig.11, and also includes a sealing member 6 for sealing the joint between the two groups of upper molds 3, so that the two groups of upper molds 3 can seal the joint when they are connected, avoiding wear and tear of the two groups of upper molds 3 due to long-term use, resulting in excessive gaps; it is worth noting that the two groups of upper molds 3 are each provided with a sealing member 6 at one end close to each other, and the sealing member 6 includes a hollow disk 601 rotatably connected to one side of the disc 506, the hollow disk 601 is fixedly connected to the surface of the base 1, and the hollow disk 601 is connected to the jack 5022 through a through hole, and the hollow disk 601 is provided to store the gas transported inside the cavity 5011; two groups of hoses 602 are symmetrically installed on the surface of the hollow disk 601, and the ends of the hoses 602 are connected to the slots 304, A hose 602 is provided to transport the gas inside the hollow disk 601 and transport it to the inside of the slot 304; it also includes a push rod 603 provided inside the slot 304, and the surface of the push rod 603 is in contact with the inner wall of the slot 304, so that the gas entering the inside of the slot 304 acts on the surface of the push rod 603 to push the push rod 603 to move, and a U-shaped plate 604 is fixedly installed on one end of the push rod 603, and the U-shaped plate 604 is provided inside the U-shaped groove 303. By providing the U-shaped plate 604, it can move synchronously with the push rod 603 and extend out of the U-shaped groove 303 to seal the connection of the upper mold 3; it is worth noting that the U-shaped plate 604 is elastically connected to the inner wall of the U-shaped groove 303 through a reset spring.

[0026] Specifically, when the device is used, the driving source is started, and the rotation of the driving source drives the winding roller 405 to start to rotate synchronously, so that the winding roller 405 starts to wind up the two sets of traction ropes 404, and the wound traction ropes 404 will first stretch the straight rod 4031 to start moving downward, and the downwardly moving straight rod 4031 will drive the connecting plate 402 and the hollow strip plate 401 to move downward synchronously, and through the cooperation between the hollow strip plate 401 and the first protruding rod 301, the two sets of upper molds 3 start to move relative to each other, so as to achieve the purpose of closing the two sets of upper molds 3; When the two sets of upper molds 3 are closed, the straight rod 4031 will be retracted to the inside of the first set of rods 4032, which will drive the first set of rods 4032 to start to move downward synchronously and compress the gas inside the second set of rods 4033, so that the gas enters the cavity 5011 through the delivery pipe 4034 and is discharged from the upper end of the cavity 5011 to act on the surface of the movable rod 503, and starts to push the rotating shaft 502 to extend and compress the connecting spring. At the same time, it will drive the hollow plug rod 504 to move toward the inside of the insertion hole 5022, so that the matching rod 505 starts to slide with the arc groove 5023 to drive the rotating shaft 502 to start rotating. The rotating rotating shaft 502 will drive the disc 506 and the cross plate 507 to start to rotate synchronously, so that the tensioning groove 508 starts to contact the second protruding rod 302 and drive the two sets of upper molds 3 to fit closely, so as to achieve the purpose of locking, so that the upper mold 3 will not shake during the sandblasting process, thereby ensuring the quality of the core sand molding. During the movement of the hollow insert rod 504, some gas will flow from its interior and enter the interior of the hollow disk 601 through the through hole, and enter the interior of the slot 304 through the hose 602, acting on the surface of the push rod 603, so that the push rod 603 drives the U-shaped plate 604 to move out from the interior of the U-shaped groove 303, and seals the connection between the two sets of upper molds 3 to ensure the sealing and ensure the quality of the product.

[0027] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the embodiments of the present invention.

Claims

1. A water jacket core box mold for an electric motorcycle motor housing, comprising a base (1), wherein the lower surface of the base (1) is symmetrically provided with two groups of mounting grooves (101), the upper surface of the base (1) is fixedly provided with a bottom mold (2), and the surface of the bottom mold (2) is slidably connected with two groups of symmetrically arranged upper molds (3), characterized in that: Also includes: Two groups of first protruding rods (301) are symmetrically mounted on the front and rear sides of the upper mold (3), and two groups of second protruding rods (302) are symmetrically mounted on the front and rear sides of the upper mold (3), and the second protruding rods (302) are located below the first protruding rods (301). The ends of the two groups of upper molds (3) close to each other are both provided with U-shaped grooves (303), and the inner walls of the U-shaped grooves (303) are symmetrically provided with slots (304). Two groups of symmetrically arranged clamping assemblies (4) for driving the two groups of upper molds (3) to close are provided with the clamping assemblies. (4) comprises two groups of hollow strip plates (401) symmetrically arranged on the front side of the upper mold (3), the two groups of hollow strip plates (401) are connected by a connecting plate (402), two groups of multi-section elastic telescopic rods (403) are symmetrically installed on the lower surface of the connecting plate (402), traction ropes (404) are arranged inside the two groups of multi-section elastic telescopic rods (403), and a winding roller (405) is arranged below the multi-section elastic telescopic rod (403), and the winding roller (405) is arranged inside the mounting groove (101).

2. The electric motorcycle motor housing water jacket core box mold according to claim 1, characterized in that: The multi-section elastic telescopic rod (403) is composed of a straight rod (4031), a first set of rods (4032) and a second set of rods (4033); the upper end of the straight rod (4031) is fixedly connected to the lower surface of the connecting plate (402), and the lower end of the straight rod (4031) is elastically connected to the inner wall bottom surface of the first set of rods (4032) via a first spring; the first set of rods (4032) is inserted into the interior of the second set of rods (4033), and the lower end of the first set of rods (4032) is elastically connected to the inner bottom surface of the second set of rods (4033) via a second spring; the first set of rods (4032) and the inner wall of the second set of rods (4033) are in contact with each other, and the surfaces of the two sets of the second set of rods (4033) are connected to a conveying pipe (4034).

3. The electric motorcycle motor housing water jacket core box mold according to claim 1, characterized in that: The upper ends of the two sets of traction ropes (404) are fixedly connected to the lower ends of the straight rods (4031), and the lower ends of the traction ropes (404) penetrate through the interior of the first set of rods (4032) and the second set of rods (4033) and extend to the interior of the installation groove (101).

4. The electric motorcycle motor housing water jacket core box mold according to claim 3, characterized in that: Rollers (4041) are attached to the surfaces of the two groups of traction ropes (404), the rollers (4041) are rotatably connected to the inner wall of the installation groove (101), and the rollers (4041) are staggered.

5. The electric motorcycle motor housing water jacket core box mold according to claim 4, characterized in that: The winding roller (405) is composed of two groups of winding wheels, and the two groups of winding wheels are arranged front and back, and the two groups of winding wheels are respectively fixedly connected to two groups of traction ropes (404), and one end of the winding roller (405) is fixedly connected to a driving source.

6. The electric motorcycle motor housing water jacket core box mold according to claim 1, characterized in that: The invention also comprises two groups of locking components (5) symmetrically arranged for locking the upper mold (3), wherein the locking component (5) comprises a limit plate (501) fixedly mounted between the two groups of multi-section elastic telescopic rods (403), and a circular hole is provided on one side of the limit plate (501), a rotating shaft (502) is movably connected to one side of the limit plate (501), a movable rod (503) is slidably engaged with the inner wall of the circular hole, a hollow plug rod (504) is fixedly mounted on one side of the movable rod (503), two groups of matching rods (505) are symmetrically mounted on the surface of the hollow plug rod (504), a circular disk (506) is fixedly mounted on one end of the rotating shaft (502) away from the limit plate (501), two groups of horizontal plates (507) are symmetrically mounted on the surface of the circular disk (506), a tightening groove (508) is obliquely provided on the surface of the horizontal plate (507), and the tightening groove (508) is slidably engaged with the second protruding rod (302).

7. The electric motorcycle motor housing water jacket core box mold according to claim 6, characterized in that: A cavity (5011) is provided inside the limiting plate (501), and the upper end of the cavity (5011) is connected to the circular hole, and the lower end of the cavity (5011) is connected to the two groups of conveying pipes (4034).

8. The electric motorcycle motor housing water jacket core box mold according to claim 6, characterized in that: A notch (5021) is provided on one side of the rotating shaft (502) close to the limiting plate (501), a plug hole (5022) is provided on the bottom surface of the notch (5021), and two groups of arc grooves (5023) are symmetrically provided on the inner wall of the plug hole (5022).

9. The electric motorcycle motor housing water jacket core box mold according to claim 1, characterized in that: It also includes a sealing member (6) for sealing the joint between the two groups of upper molds (3), the sealing member (6) including a hollow disk (601) rotatably connected to one side of the disk (506) and a push rod (603) arranged inside the slot (304), the hollow disk (601) is fixedly connected to the surface of the base (1), and the hollow disk (601) is connected to the plug hole (5022) through a through hole, two groups of hoses (602) are symmetrically installed on the surface of the hollow disk (601), and the ends of the hoses (602) are connected to the slot (304), and a U-shaped plate (604) is fixedly installed on one end of the push rod (603), and the U-shaped plate (604) is arranged inside the U-shaped groove (303).

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