Low-pressure casting mold for motor rotor

Abstract

The utility model relates to a low-pressure casting mould for a motor rotor, which comprises a bottom plate, an adjusting structure is arranged inside the bottom plate, lifting screws are arranged at four corners of the bottom plate, and a top plate is arranged at the top ends of the lifting screws. The utility model relates to the technical field of motor rotor casting equipment. According to the low-pressure casting mold for the motor rotor, a sliding plate is pulled out of a sliding plate groove, at the moment, a lower mold clamp is completely located on the outer side of a frame defined by four lifting screws, when the mold is installed, the mold is placed between two sets of lower mold clamping plates, and the two sets of lower mold clamping plates are closed to clamp a lower mold of the mold through a cooperative structure; and the sliding plate is pushed into the sliding plate groove, the fixed mold slides to the inner side of the frame defined by the four lifting screws again, then the lifting table is controlled to move downwards through the adjusting structure, the upper mold clamp corresponds to the mold and clamps the upper mold, the effect of rapidly installing the mold is achieved, and then the production efficiency is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor rotor casting equipment technical field especially is related to a kind of low-pressure casting mould for motor rotor. BACKGROUND

[0002] Low-pressure casting is to seal the certain pressure compressed air of heat preservation furnace, and liquid metal in heat preservation furnace fills the cavity by ascending liquid pipe under the action of pressure to form a kind of method of casting, since the pressure is relatively low, so it is called low-pressure casting, and the equipment used for low-pressure casting is called low-pressure casting machine.Low-pressure casting machine is the general equipment of aluminum alloy low-pressure casting, and can be widely applied to the production of aluminum alloy castings in automobile, motorcycle, instrument, textile machinery and aerospace industry.

[0003] The overall structure of the existing low-pressure casting machine for casting aluminum motor rotor mostly adopts four-column standard structure, and the pouring position is arranged at the center of the four columns, and the low-pressure casting machine is provided with a stand at four corners, which leads to smaller internal operating space, so that the mold is difficult to disassemble before and after casting, which easily affects production efficiency. UTILITY MODEL CONTENT

[0004] According to the deficiencies of the prior art, the purpose of the utility model is to provide a low-pressure casting mould for motor rotor, so as to solve the technical problems mentioned in the background art.

[0005] The above technical purpose of the utility model is realized by the following technical scheme:

[0006] A low-pressure casting mould for motor rotor, comprising a bottom plate, an adjusting structure is arranged inside the bottom plate, lifting screws are arranged at four corners of the bottom plate, a top plate is arranged at the top end of the lifting screws, a lifting platform is arranged on the outer peripheral wall of the lifting screws, an upper die clamp is arranged inside the lifting platform, an outer shell is arranged at the bottom of the bottom plate, and a lower die clamp is arranged at the upper end of the bottom plate.

[0007] The lower die clamp comprises a sliding plate slot, the sliding plate slot is opened at the top end of the bottom plate, a sliding plate is arranged inside the sliding plate slot, a rotating slot is opened at the center of the top end of the sliding plate, extension slots are opened at both sides of the rotating slot, two groups of lower die clamping plates are arranged at both sides of the top end of the sliding plate, and a cooperative structure for adjusting the position of the lower die clamping plate is arranged inside the rotating slot.

[0008] Further, a sliding slot is opened at one side of the bottom end of the sliding plate, a limiting screw is arranged inside the sliding slot, and a limiting plate is threadedly connected to the outer peripheral wall of the limiting screw.

[0009] Further, the cooperative structure comprises a rotating disc, the rotating disc is rotationally arranged in the rotating groove, the top surface of the rotating disc is provided with two eccentric shafts, the top end of the eccentric shaft is rotationally provided with a crank connecting rod, the bottom end of the crank connecting rod is provided with a cooperative connecting rod, and the cooperative connecting rod is slidingly arranged in the extension groove.

[0010] Further, the lower mold clamping plate comprises a sliding plate, the sliding plate is slidingly arranged at the top end of the sliding plate, one end of the sliding plate close to the center of the sliding plate is provided with a closing plate, the side wall of the closing plate is provided with a positioning groove, the bottom end of the sliding plate is provided with a connecting block, and the connecting block is fixedly connected with the cooperative connecting rod.

[0011] Further, the adjusting structure comprises a driving gear and a driven gear, the driving gear is rotationally arranged in the bottom plate, the driven gear is provided with four lifting screws and is fixedly connected with the four lifting screws, and the driven gear is engaged with the driving gear.

[0012] Further, the upper mold clamp comprises a mounting groove, the mounting groove is arranged at the bottom end of the lifting platform, the inside of the mounting groove is provided with an upper mold screw, the upper mold screw is a bidirectional screw, and the two ends of the upper mold screw are threadedly connected with the upper mold clamping plates.

[0013] In summary, the utility model has at least one of the following beneficial technical effects:

[0014] 1. The low-pressure casting mold for the motor rotor is used for the following purposes: when the sliding plate is pulled out of the sliding plate groove, the lower mold clamp is completely outside the frame surrounded by the four lifting screws, when the mold is installed, the mold is placed between the two groups of lower mold clamping plates, the two groups of lower mold clamping plates are closed and clamped by the cooperative structure, the mold is slid again to the inside of the frame surrounded by the four lifting screws after the sliding plate is pushed into the sliding plate groove and the mold is fixed, the upper mold clamp is controlled to move downward by the adjusting structure, the upper mold clamp is corresponded to the mold, and the upper mold clamp clamps the upper mold, the mold is quickly installed, and the production efficiency is effectively improved.

[0015] 2. The low-pressure casting mold for the motor rotor is used for the following purposes: the driving motor connected with the rotating disc is arranged in the rotating groove, the rotating disc is driven to rotate by the driving motor, the crank connecting rods on the two sides are driven to move by the eccentric shafts in the rotating process, the cooperative connecting rods on the two sides are relatively moved by the crank connecting rods, the sliding plates are fixedly connected with the cooperative connecting rods by the connecting blocks, and the two sliding plates are relatively pushed by the two cooperative connecting rods when the two cooperative connecting rods are relatively moved, so that the mold is clamped or loosened. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed for the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0017] Figure 1 A structure diagram of a low-pressure casting mold for a motor rotor of the present application.

[0018] Figure 2 A structure diagram of an adjusting structure of a low-pressure casting mold for a motor rotor of the present application.

[0019] Figure 3 A structure diagram of a lower mold clamp of a low-pressure casting mold for a motor rotor of the present application.

[0020] Figure 4 A structure diagram of a cooperative structure of a low-pressure casting mold for a motor rotor of the present application.

[0021] Figure 5 A structure diagram of an upper mold clamp of a low-pressure casting mold for a motor rotor of the present application.

[0022] In the drawings, 1 is a bottom plate, 2 is an adjusting structure, 21 is a driving gear, 22 is a driven gear, 3 is a lifting screw, 4 is a top plate, 5 is a lifting platform, 6 is an upper mold clamp, 61 is a mounting groove, 62 is an upper mold screw, 63 is an upper mold clamping plate, 7 is an outer shell, 8 is a lower mold clamp, 81 is a sliding plate groove, 82 is a sliding plate, 821 is a sliding groove, 822 is a limiting screw, 823 is a limiting plate, 83 is a rotating groove, 84 is an extension groove, 85 is a lower mold clamping plate, 851 is a sliding plate, 852 is a closing plate, 853 is a positioning groove, 854 is a connecting block, 86 is a cooperative structure, 861 is a rotating disc, 862 is an eccentric shaft, 863 is a crank connecting rod, and 864 is a cooperative connecting rod. DETAILED DESCRIPTION

[0023] The present application will be further described in detail below with reference to the drawings. EMBODIMENT

[0024] REFERENCE Figure 1 - Figure 5The utility model discloses a low pressure casting mould for motor rotor, including bottom plate 1, the inside ring of bottom plate 1 is adjusted structure 2, the four corners of bottom plate 1 is provided with lifting screw rod 3, the top end of lifting screw rod 3 is provided with top plate 4 in common, the outer peripheral wall of lifting screw rod 3 is provided with lifting platform 5 in common, the inside of lifting platform 5 is provided with upper die clamp 6, the bottom of bottom plate 1 is provided with outer sleeve shell 7, and the upper end of bottom plate is provided with lower die clamp 8,

[0025] Lower die clamp 8 includes slide groove 81, and the slide groove 81 is formed in the top end of the bottom plate 1, the inside of the slide groove 81 is provided with a sliding plate 82, the top end center of the sliding plate 82 is provided with a rotating groove 83, the two sides of the rotating groove 83 are provided with an extension groove 84, and the two sides of the top end of the sliding plate 82 are provided with two groups of lower die clamping plates 85.

[0026] In the embodiment, when in use, the sliding plate 82 is pulled out from the slide groove 81, and the two groups of lower die clamping plates 85 are withdrawn from between the four lifting screw rods 3. At this time, the lower die clamp 8 is completely outside the frame surrounded by the four lifting screw rods 3. When installing the mold, the mold is placed between the two groups of lower die clamping plates 85, and the two groups of lower die clamping plates 85 are closed through the cooperative structure 86 to achieve the purpose of clamping the mold. The mold is slid again to the inside of the frame surrounded by the four lifting screw rods 3 after the sliding plate 82 is pushed into the slide groove 81 and the mold is fixed. The upper die clamp 6 is controlled to move downward through the adjusting structure 2, so that the upper die clamp 6 corresponds to the mold and clamps the upper mold. At this time, the lifting platform 5 moves upward, thereby achieving the effect of separating the upper and lower molds. Compared with the prior art, the convenience of mold disassembly can be effectively improved, and the production efficiency can be effectively improved.

[0027] In further preferable embodiments of the utility model, as shown in Figures 1-5 One side of the bottom end of the sliding plate 82 is provided with a sliding groove 821, and the inside of the sliding groove 821 is provided with a limiting screw 822. The outer peripheral wall of the limiting screw 822 is threadedly connected with a limiting plate 823.

[0028] In the embodiment, the sliding groove 821 and the limiting screw 822 are used to install the limiting plate 823. The limiting plate 823 and the side wall of the bottom plate 1 are in mutual abutment, so as to achieve the effect of fixing the sliding track of the sliding plate 82.

[0029] In further preferable embodiments of the utility model, as shown in Figures 1-5As shown, the cooperative structure 86 comprises a rotating disc 861 rotatably arranged in the rotating groove 83, the top surface of the rotating disc is provided with two eccentric shafts 862, the top end of the eccentric shaft 862 is rotatably provided with a crank connecting rod 863, the bottom end of the crank connecting rod 863 is provided with a cooperative connecting rod 864, and the cooperative connecting rod 864 is slidably arranged in the extension groove 84.

[0030] In the embodiment, the inside of the rotating groove 83 is provided with a driving motor connected with the rotating disc 861, the rotating disc 861 is driven to rotate by the driving motor, the crank connecting rods 863 on both sides are driven to move by the eccentric shafts 862 in the rotating process, and the crank connecting rods 863 drive the cooperative connecting rods 864 on both sides to move relatively.

[0031] In the further preferable embodiment of the utility model, as shown in Figures 1-5 The lower die clamping plate 85 comprises a sliding plate 851 slidably arranged at the top end of the sliding plate 82, one end of the sliding plate 851 close to the center of the sliding plate 82 is provided with a closing plate 852, the side wall of the closing plate 852 is provided with a positioning groove 853, the bottom end of the sliding plate 851 is provided with a connecting block 854, and the connecting block 854 is fixedly connected with the cooperative connecting rod 864.

[0032] In the embodiment, the sliding plate 82 and the cooperative connecting rod 864 are fixedly connected through the connecting block 854, and when the two cooperative connecting rods 864 move relatively, the two sliding plates 851 can be effectively pushed relatively, and the two groups of lower die clamping plates 85 can move relatively, so that the mold can be clamped or released.

[0033] In the further preferable embodiment of the utility model, as shown in Figures 1-5 The adjusting structure 2 comprises a driving gear 21 and a driven gear 22, the driving gear 21 is rotatably arranged in the inside of the bottom plate 1, the driven gear 22 is provided with four lifting screws 3 fixedly connected respectively, and the driven gear 22 is engaged with the driving gear 21.

[0034] In the embodiment, the driving gear 21 is driven by the adjusting motor arranged at the shaft center of the driving gear 21, the driving gear 21 drives the driven gear 22 to move, the driven gear 22 drives each lifting screw 3 to rotate, and since the lifting platform 5 is rotatably connected with the lifting screw 3, the lifting platform 5 can be effectively controlled to ascend and descend.

[0035] In the further preferable embodiment of the utility model, as shown in Figures 1-5As shown, the upper die clamp 6 comprises a mounting groove 61, which is arranged at the bottom end of the lifting platform 5, and the interior of the mounting groove 61 is provided with an upper die screw rod 62, which is a bidirectional screw rod, and the two ends of the upper die screw rod 62 are threadedly connected with upper die clamping plates 63.

[0036] In the embodiment, the upper die clamp 6 is installed by the mounting groove 61 and the upper die screw rod 62, the upper die screw rod 62 is a bidirectional screw rod, and the two upper die clamps 6 are respectively matched with two threads, so that the two upper die clamps 6 can be effectively moved relative to each other in the process of rotating the upper die screw rod 62, thereby achieving the clamping purpose.

[0037] The embodiments of the specific embodiment are the preferred embodiments of the utility model, which do not limit the protection scope of the utility model, so that: all equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. A low pressure casting mold for an electric machine rotor, characterized by, The utility model provides a kind of adjustable moulding machine, including bottom plate (1), the bottom end of bottom plate (1) has adjusting structure (2), four corners of bottom plate (1) are provided with lifting screw rod (3), the top end of lifting screw rod (3) is commonly provided with top plate (4), the outer peripheral wall of lifting screw rod (3) is commonly provided with lifting platform (5), the inside of lifting platform (5) is provided with upper die clamp (6), the bottom of bottom plate (1) is provided with outer casing (7), the upper end of bottom plate (1) is provided with lower die clamp (8); Lower die clamp (8) includes slide plate groove (81), slide plate groove (81) is opened in the top end of bottom plate (1), the inside of slide plate groove (81) is provided with sliding plate (82), the top end center of sliding plate (82) is provided with rotating groove (83), the two sides of rotating groove (83) are provided with extension groove (84), the top end two sides of sliding plate (82) are provided with two groups of lower die clamping plate (85), the inside of rotating groove (83) is provided with collaborative structure (86) for adjusting the position of lower die clamping plate (85).

2. A low pressure casting mold for an electric machine rotor according to claim 1, characterized in that, The bottom end of one side of the sliding plate (82) is provided with a sliding groove (821), and the inside of the sliding groove (821) is provided with a limiting screw (822). The outer peripheral wall of the limiting screw (822) is threadedly connected with a limiting plate (823).

3. A low pressure casting mold for an electric machine rotor according to claim 2, characterized in that The collaborative structure (86) includes a rotating disc (861), which is rotatably arranged in the inside of the rotating groove (83). The top surface of the rotating disc is provided with two eccentric shafts (862), and the top end of the eccentric shaft (862) is rotatably provided with a crank link (863). The bottom end of the crank link (863) is provided with a collaborative link (864), and the collaborative link (864) is slidably arranged in the inside of the extension groove (84).

4. A low pressure casting mold for an electric motor rotor according to claim 3, wherein The lower die clamping plate (85) includes a sliding plate (851), which is slidably arranged on the top end of the sliding plate (82). One end of the sliding plate (851) close to the center of the sliding plate (82) is provided with a closing plate (852). The side wall of the closing plate (852) is provided with a positioning groove (853). The bottom end of the sliding plate (851) is provided with a connecting block (854), and the connecting block (854) is fixedly connected with the collaborative link (864).

5. A low pressure casting mold for an electric machine rotor according to claim 4, characterized in that The adjusting structure (2) includes a driving gear (21) and a driven gear (22). The driving gear (21) is rotatably arranged in the inside of the bottom plate (1). The driven gear (22) is provided with four lifting screw rods (3), and each lifting screw rod (3) is fixedly connected with the driven gear (22). The driven gear (22) is engaged with the driving gear (21).

6. A low pressure casting mold for an electric machine rotor according to claim 5, characterized in that The upper die clamp (6) includes a mounting groove (61), which is opened in the bottom end of the lifting platform (5). The inside of the mounting groove (61) is provided with an upper die screw rod (62). The upper die screw rod (62) is a bidirectional screw rod, and the two ends of the upper die screw rod (62) are threadedly connected with upper die clamping plates (63).

Images