Centrifugal casting mold for new energy battery rotor machining

Abstract

The utility model relates to the technical field of battery processing, and provides a centrifugal casting mold for processing a new energy battery rotor, which comprises a fixed inner sleeve, a mold inner sleeve arranged in the fixed inner sleeve, a locking and positioning component arranged on the mold inner sleeve, and a driving and connecting component arranged on the fixed inner sleeve; the locking sleeve is arranged on the inner side surface of the fixed inner sleeve, the locking sleeve and the mold inner sleeve are fixedly screwed and connected, meshing threads are arranged on the side wall of one end of the mold inner sleeve, a locking nut is screwed on the meshing threads, a limiting disc is arranged at one end of the mold inner sleeve, a positioning inserting groove is formed in the limiting disc, and a positioning inserting shaft is inserted into the positioning inserting groove. By means of the technical scheme, the problems that in the prior art, due to the fact that a fixing structure of a mold inner core is rigid, the mold inner core is difficult and extremely troublesome to replace, and a centrifugal casting mold is poor in autorotation effect, not stable enough and prone to jumping are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery processing technical field, specifically, relate to a new energy battery rotor processing with centrifugal casting mould. BACKGROUND

[0002] The power battery of a new energy vehicle is a component of mechanical, electrical, electrochemical and thermodynamic disciplines, and the battery cell as the core component of the power battery is the basic unit of the battery system to store energy, determines the core performance such as energy density, power performance, safety and service life, and the lower noise and vibration performance and good rotor dynamic balance of the new energy vehicle motor are inseparable. We usually use balance level to measure the dynamic balance of the rotor, the higher the dynamic balance level, the smaller the unbalance of the rotor, the better the motor vibration and noise performance, and the higher the energy utilization rate.

[0003] In the new energy battery rotor processing process, the centrifugal casting mould will be used, liquid metal is injected into the high-speed rotating casting mold, the liquid metal does the centrifugal motion to fill the casting mold and form the casting technology and method. Due to the centrifugal motion, the liquid metal can fill the casting mold well in the radial direction and form the free surface of the casting; the cylindrical inner hole can be obtained without core; it is helpful to remove the gas and inclusions in the liquid metal; the crystallization process of the metal is affected, thereby improving the mechanical properties and physical properties of the casting.

[0004] However, the centrifugal casting mould in the battery rotor processing process has the following problems: 1, the fixed structure of the mould inner core is rigid, which makes the mould inner core difficult to replace and very troublesome; 2, the self-rotation effect of the centrifugal casting mould is not good, it is not stable enough and easy to jump, therefore, a new energy battery rotor processing centrifugal casting mould is developed. UTILITY MODEL CONTENTS

[0005] The utility model provides a new energy battery rotor processing centrifugal casting mould, solves the problem that the fixed structure of the mould inner core in the related art is rigid, which makes the mould inner core difficult to replace and very troublesome, and the self-rotation effect of the centrifugal casting mould is not good, it is not stable enough and easy to jump.

[0006] The technical scheme of the utility model is as follows: comprising

[0007] The fixed inner sleeve is provided with a mould inner sleeve in the fixed inner sleeve;

[0008] The locking and positioning assembly is arranged on the mould inner sleeve;

[0009] The driving connection assembly is arranged on the fixed inner sleeve;

[0010] The locking positioning assembly comprises a locking ring, the locking sleeve is arranged on the inner side surface of the fixed inner sleeve, the locking sleeve is fixedly screwed with the mold inner sleeve, the end side wall of the mold inner sleeve is provided with an engagement thread, the locking nut is screwed on the engagement thread, and the end of the mold inner sleeve is provided with a limiting disc.

[0011] As a further technical solution, the opposite two side walls of the fixed inner sleeve are provided with connecting sleeves, the number of the connecting sleeves is two, one of the connecting sleeves is fixedly inserted with the locking ring, and the inner side wall of the other connecting sleeve is provided with an extension positioning sleeve.

[0012] As a further technical solution, the driving connection assembly comprises a driving ring groove, the driving ring groove is opened on the connecting sleeve, the outer side wall of the fixed inner sleeve is provided with a positioning ring, the connecting sleeve is provided with a locking groove, and the positioning ring is embedded in the inner part of the locking groove.

[0013] As a further technical solution, the inside of the fixed inner sleeve is provided with pressure relief holes, the number of the pressure relief holes is several, and a plurality of pressure relief holes are arranged in a circular manner on the fixed inner sleeve. The edge of the fixed inner sleeve is provided with reinforcing holes, and the number of the reinforcing holes is several.

[0014] As a further technical solution, the inside of the fixed inner sleeve is provided with a driving groove, the driving groove is provided with a reinforcing core, and the reinforcing core and the driving groove are both circular structures.

[0015] As a further technical solution, the connecting sleeve and the fixed inner sleeve are fixedly connected through bolts, the side wall of the connecting sleeve is provided with bolt holes, and the bolts are screwed in the inner part of the bolt holes.

[0016] As a further technical solution, the side wall of the connecting sleeve is provided with a locking ring groove, and a plurality of bolt holes are equidistantly opened in the inner part of the locking ring groove.

[0017] As a further technical solution, the groove type structure of the driving ring groove is matched with the structure contour of the belt pulley.

[0018] As a further technical solution, the number of the reinforcing core and the driving groove is both two, and the reinforcing core and the driving groove are arranged on opposite sides of the fixed inner sleeve.

[0019] As a further technical solution, the center position of the locking frame is provided with a locking disc, and the positioning plug is plugged on the locking disc.

[0020] The working principle and beneficial effects of the utility model are as follows:

[0021] The utility model realizes following effect: 1, the locking ring in locking and positioning assembly is used for positioning mould inner cover, and the mould inner cover is fixed in fixed inner cover, locking nut is fixed on meshing screw thread and is screwed, and the positioning shaft is inserted in the positioning slot on the limiting disc, so that multiple fixing modes are fixed to the mould inner cover simultaneously;2, the driving ring groove is used for connecting the belt or transmission wheel, and the driving ring groove plays a role of driving self-rotation to the connecting outer cover, the positioning ring is engaged with the locking groove, and the fixing effect of the fixed inner cover is enhanced. BRIEF DESCRIPTION OF DRAWINGS

[0022] The utility model will be further described in detail in combination with the drawings and specific embodiments.

[0023] Figure 1 It is the structure schematic diagram of the utility model;

[0024] Figure 2 It is another perspective shaft side view of the utility model;

[0025] Figure 3 It is the cross section view of the utility model;

[0026] Figure 4 It is the cross section view of the utility model A part; Figure 3

[0027] In the drawing: 1, fixed inner cover;2, mould inner cover;3, locking and positioning assembly;3-1, locking ring;3-2, meshing screw thread;3-3, locking nut;3-4, limiting disc;3-5, positioning slot;3-6, positioning axle;3-7, connecting outer cover;3-8, extension positioning cover;3-9, locking frame;4, driving connection assembly;4-1, driving ring groove;4-2, positioning ring;4-3, locking groove;5, driving groove;6, reinforcing core;7, bolt hole;8, locking ring groove;9, locking disc;10, pressure relief hole;11, reinforcing hole. DETAILED DESCRIPTION

[0028] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are involved in the protection scope of the utility model.

[0029] As shown in Figures 1-4 , the embodiment proposes a centrifugal casting mold for new energy battery rotor machining, which comprises

[0030] ​The fixed inner sleeve 1 is provided with a mold inner sleeve 2;

[0031] The locking positioning assembly 3 is arranged on the mold inner sleeve 2.

[0032] The driving connection assembly 4 is arranged on the fixed inner sleeve 1.

[0033] The locking positioning assembly 3 comprises a locking ring 3-1, a locking sleeve is arranged on the inner side surface of the fixed inner sleeve 1, the locking sleeve is fixedly screwed between the mold inner sleeve 2, one end side wall of the mold inner sleeve 2 is provided with a meshing thread 3-2, the locking nut 3-3 is screwed on the meshing thread 3-2, one end of the mold inner sleeve 2 is provided with a limiting disc 3-4, the limiting disc 3-4 is provided with a positioning slot 3-5, and the positioning slot 3-5 is provided with a positioning shaft 3-6.

[0034] In the embodiment, the locking ring 3-1 is used for positioning the mold inner sleeve 2, the mold inner sleeve 2 is fixed in the fixed inner sleeve 1, the locking nut 3-3 is screwed on the meshing thread 3-2 for fixation, the positioning shaft is inserted in the positioning slot 3-5 on the limiting disc 3-4, and a plurality of fixing modes are used to fix the mold inner sleeve 2 at the same time.

[0035] Specifically, the opposite two side walls of the fixed inner sleeve 1 are provided with connecting sleeves 3-7, the number of the connecting sleeves 3-7 is two, one of the connecting sleeves 3-7 is fixedly inserted with the locking ring 3-1, and the inner side wall of the other connecting sleeve 3-7 is provided with an extension positioning sleeve 3-8, the inner side wall of the extension positioning sleeve 3-8 is provided with a locking frame 3-9, and one end of the positioning shaft 3-6 is inserted in the locking frame 3-9.

[0036] In the embodiment, the extension positioning sleeve 3-8 on the connecting sleeve 3-7 is used for arranging the locking frame 3-9, and the locking frame 3-9 is used for positioning and fixing the positioning shaft 3-6.

[0037] Further, the driving connection assembly 4 comprises a driving ring groove 4-1, the driving ring groove 4-1 is opened in the connecting sleeve 3-7, the outer side wall of the fixed inner sleeve 1 is provided with a positioning ring 4-2, the connecting sleeve 3-7 is provided with a locking groove 4-3, and the positioning ring 4-2 is embedded in the inside of the locking groove 4-3.

[0038] In the embodiment, the driving ring groove 4-1 is used for connecting a belt or a transmission wheel, the connecting sleeve 3-7 is driven to rotate through the driving ring groove 4-1, the positioning ring 4-2 is engaged between the locking groove 4-3, and the fixing effect of the fixed inner sleeve 1 is enhanced.

[0039] Further, the inside of the fixed inner sleeve 1 is provided with pressure relief holes 10, the number of pressure relief holes 10 is several, and the plurality of pressure relief holes 10 are arranged in a circular shape on the fixed inner sleeve 1. The edge of the fixed inner sleeve 1 is provided with reinforcing holes 11, and the number of reinforcing holes 11 is several.

[0040] In this embodiment, the pressure relief holes 10 and the reinforcing holes 11 make the fixed inner sleeve 1 more stable, preventing the fixed inner sleeve 1 from deforming when rotating at high speed.

[0041] Further, the inside of the fixed inner sleeve 1 is provided with a driving groove 5, and the driving groove 5 is provided with a reinforcing core 6. The driving groove 5 and the reinforcing core 6 are both circular structures.

[0042] In this embodiment, the reinforcing core 6 in the driving groove 5 is used to strengthen the strength of the fixed inner sleeve 1.

[0043] Further, the connection outer sleeve 3-7 and the fixed inner sleeve 1 are connected by bolts, the side wall of the connection outer sleeve 3-7 is provided with bolt holes 7, the bolts are screwed in the inside of the bolt holes 7, the side wall of the connection outer sleeve 3-7 is provided with a locking ring 3-1 slot, and a plurality of bolt holes 7 are equidistantly arranged in the inside of the locking ring 3-1 slot.

[0044] In this embodiment, the bolts in the bolt holes 7 can strengthen the fixing effect of the connection outer sleeve 3-7.

[0045] Further, the groove structure of the driving ring groove 4-1 matches the structure contour of the belt pulley, the number of the reinforcing core 6 and the driving groove 5 is two, the reinforcing core 6 and the driving groove 5 are arranged on opposite sides of the fixed inner sleeve 1, the center of the locking frame 3-9 is provided with a locking disc 9, and the positioning insert shaft 3-6 is inserted into the locking disc 9.

[0046] In this embodiment, the locking disc 9 is used to fix the positioning insert shaft 3-6.

[0047] When the mold for centrifugal casting needs to be assembled, the locking ring 3-1 is used to position the mold inner sleeve 2, the mold inner sleeve 2 is fixed in the fixed inner sleeve 1, the locking nut 3-3 is screwed on the engagement thread 3-2 for fixation, the positioning shaft is inserted into the positioning slot 3-5 on the limiting disc 3-4, a plurality of fixing methods are used to fix the mold inner sleeve 2 at the same time, the extension positioning sleeve 3-8 on the connection outer sleeve 3-7 is used to accommodate the locking frame 3-9, the locking frame 3-9 is used to fix the positioning insert shaft 3-6, the driving ring groove 4-1 is used to connect the belt or the transmission wheel, the connection outer sleeve 3-7 is driven to rotate by the driving ring groove 4-1, the positioning ring 4-2 and the locking groove 4-3 are engaged, and the fixing effect of the fixed inner sleeve 1 is enhanced.

[0048] The above merely describes the preferred embodiments of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A centrifugal casting mold for processing a new energy battery rotor, characterized by, Comprising A fixed inner sleeve (1) is provided with a mold inner sleeve (2) inside; A locking positioning assembly (3) is provided on the mold inner sleeve (2); A drive connection assembly (4) is provided on the fixed inner sleeve (1); The locking positioning assembly (3) includes a locking ring (3-1) provided on the inner side surface of the fixed inner sleeve (1), which is fixedly screwed between the locking ring (3-1) and the mold inner sleeve (2), one end side wall of the mold inner sleeve (2) is provided with an engagement thread (3-2), the locking nut (3-3) is screwed on the engagement thread (3-2), one end of the mold inner sleeve (2) is provided with a limiting disc (3-4), the limiting disc (3-4) is provided with a positioning slot (3-5), and the positioning slot (3-5) is provided with a positioning shaft (3-6).

2. The centrifugal casting mold for processing a new energy battery rotor according to claim 1, characterized in that, The opposite two side walls of the fixed inner sleeve (1) are provided with connecting sleeves (3-7), the number of the connecting sleeves (3-7) is 2, one of the connecting sleeves (3-7) is fixedly inserted with the locking ring (3-1), and the inner side wall of the other connecting sleeve (3-7) is provided with an extension positioning sleeve (3-8), the inner side wall of the extension positioning sleeve (3-8) is provided with a locking frame (3-9), and one end of the positioning shaft (3-6) is inserted into the locking frame (3-9).

3. The centrifugal casting mold for processing a new energy battery rotor according to claim 2, characterized in that, The drive connection assembly (4) includes a drive ring groove (4-1) opened on the connecting sleeve (3-7), the outer side wall of the fixed inner sleeve (1) is provided with a positioning ring (4-2), the connecting sleeve (3-7) is provided with a locking groove (4-3), and the positioning ring (4-2) is embedded in the inside of the locking groove (4-3).

4. The centrifugal casting mold for processing a new energy battery rotor according to claim 1, characterized in that, The inside of the fixed inner sleeve (1) is provided with a pressure relief hole (10), the number of the pressure relief hole (10) is several, a plurality of the pressure relief holes (10) are arranged in a circular shape on the fixed inner sleeve (1), and the edge of the fixed inner sleeve (1) is provided with a reinforcing hole (11), the number of the reinforcing hole (11) is several.

5. The centrifugal casting mold for processing a new energy battery rotor according to claim 1, characterized in that, The inside of the fixed inner sleeve (1) is provided with a drive groove (5), the drive groove (5) is provided with a reinforcing core (6), and the reinforcing core (6) and the drive groove (5) are both circular structures.

6. The centrifugal casting mold for processing a new energy battery rotor according to claim 2, characterized in that, The connecting sleeve (3-7) and the fixed inner sleeve (1) are connected by bolts, and the side wall of the connecting sleeve (3-7) is provided with a bolt hole (7).

7. The centrifugal casting mold for processing a new energy battery rotor according to claim 6, characterized in that, The side wall of the connecting sleeve (3-7) is provided with a locking ring (3-1) groove, and a plurality of bolt holes (7) are equidistantly arranged in the inside of the locking ring (3-1) groove.

8. The centrifugal casting mold for processing a new energy battery rotor according to claim 3, characterized in that, The groove structure of the drive ring groove (4-1) is matched with the structure contour of the belt pulley.

9. The centrifugal casting mold for processing a new energy battery rotor according to claim 5, characterized in that, The number of the reinforcing core (6) and the drive groove (5) is two, and the reinforcing core (6) and the drive groove (5) are arranged on opposite sides of the fixed inner sleeve (1).

10. The centrifugal casting mold for processing a new energy battery rotor according to claim 2, characterized in that, The center position of the locking frame (3-9) is provided with a locking disc (9), and the positioning plug shaft (3-6) is plug-mounted on the locking disc (9).

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