A hydraulically adjustable device for stacking and riveting generator magnetic pole cores

Abstract

This utility model discloses a hydraulically adjustable equipment for stacking and riveting generator magnetic pole cores, relating to the field of motor manufacturing technology. It includes a horizontal base, an adjustable jig, a magnetic pole core, an adjustable jig, a pressure jig, a hole-expanding riveting jig, an electric hydraulic jack, a fixing ring, and a fixing guide seat. This utility model integrates "adjustable jig—adjustable jig—fixed guide seat—pressure jig—hole-expanding riveting jig—bidirectional electric hydraulic jack" on the same horizontal base, enabling continuous completion of stacking, pre-pressing, pressing, and hole-expanding riveting of magnetic pole laminations in a single clamping operation. With its integrated, adjustable, and bidirectional hydraulic drive as its core, this utility model achieves "high precision, high efficiency, low cost, and high safety" in the magnetic pole core manufacturing process. It is particularly suitable for small-batch, multi-variety, and large-batch mixed production modes, and has broad application prospects and significant economic and social benefits.

Description

Technical Field

[0001] This utility model relates to the field of motor manufacturing technology, specifically to a hydraulically adjustable equipment for stacking and riveting generator magnetic pole cores. Background Technology

[0002] Currently, in the mass production of generator magnetic pole cores, a split-process route is commonly used, including the following steps: (1) manually or semi-automatically stacking magnetic pole laminations; (2) pre-pressing using simple fixtures; (3) transferring to a dedicated hydraulic press for final pressing; and (4) then using a punch press or drilling machine to complete the hole enlargement and riveting. Each step requires repeated hoisting, mold changing, and positioning, which not only occupies multiple pieces of equipment and a large working area, but also results in large cumulative positioning errors. The laminations are prone to misalignment and warping, making it difficult to guarantee the length, verticality, and riveting consistency of the magnetic pole core.

[0003] Traditional split-type process routes mainly have the following problems:

[0004] (1) Dispersed processes: The four processes of lamination, pre-pressing, pressing and riveting need to be completed on different tooling and equipment, resulting in long logistics routes and a high proportion of auxiliary time.

[0005] (2) Poor specification adaptability: Every time a new magnetic pole core specification is changed (length L1, width B changes), the entire set of fixtures and molds must be redesigned or significantly adjusted, with a preparation cycle of 1 to 3 days, which seriously affects the small-batch, multi-variety production mode.

[0006] (3) Single power source: Traditional one-way hydraulic cylinders can only provide pressing force and cannot complete the compound action of "pressing - holding pressure - expanding hole - riveting" in the same stroke. They need to be equipped with punch press or manual hammering, which is labor-intensive and noisy.

[0007] (4) Precision and safety: Multiple clamping causes misalignment of laminations, poor coaxiality of rivet holes, and increased core loss; manual handling and hammering can easily lead to work-related accidents.

[0008] Therefore, the market urgently needs a specialized equipment that integrates "stacking, pre-pressing, pressing, and hole expansion riveting" with rapidly adjustable specifications to improve production efficiency, ensure product quality, and reduce manufacturing costs. Utility Model Content

[0009] The purpose of this utility model is to provide a hydraulically adjustable equipment for stacking and riveting generator magnetic pole cores, so as to solve the problems of the traditional split process route mentioned in the background art, which mainly has problems such as dispersed process, poor specification adaptability, single power source, poor accuracy and safety.

[0010] To achieve the above objectives, this utility model provides the following technical solution: a hydraulically adjustable device for stacking and riveting generator magnetic pole cores, comprising a horizontally positioned base, an adjustable jig on the left and a fixed guide seat on the right side of the base, an adjustable jig on the left and a magnetic pole core on the right on the adjustable jig; a pressure jig on the left and a fixing ring on the right on the top surface of the fixed guide seat, an enlarged riveting jig on the pressure jig, and an electric hydraulic jack on the fixing ring.

[0011] Preferably, a plurality of base pads are provided on the bottom surface of the horizontal base; a recessed base groove is provided at the middle position of the top surface of the horizontal base, and a base worktable is provided at the bottom of the base groove; an adjustable fixture on the left and a fixed guide seat on the right are provided on the top surface of the base worktable; base side plates are provided on the left and right sides of the base groove, respectively.

[0012] Preferably, the adjustable fixture includes an adjustable fixing base at the bottom, a lateral adjusting fixing seat is bolted to the left end of the adjustable fixing base, and the lateral adjusting fixing seat abuts against the left side plate of the base. A plurality of fixture grooves are evenly arranged on the top surface of the adjustable fixing base, and a limiting stop parallel to the lateral adjusting fixing seat is provided at each fixture groove. Adjusting side plate one and adjusting side plate two, which are perpendicular to the limiting stop and the lateral adjusting fixing seat, are also bolted to the top surface of the adjustable fixing base. At the same time, the left ends of adjusting side plate one and adjusting side plate two are placed in the movable and adjustable T-shaped groove of the lateral adjusting fixing seat.

[0013] Preferably, the shape of the adjusting tire is the same as that of the magnetic pole core, and the length of the adjusting tire is adjustable.

[0014] Preferably, the magnetic pole core is made of multiple magnetic pole laminations stacked together, and the number of magnetic pole laminations can be adjusted according to actual needs, thereby adjusting the length of the magnetic pole core.

[0015] Preferably, the distance between the first and second adjustable side plates can be selected and determined based on the width B of the magnetic pole core; the working length L1 of the adjustable fixture can be selected and determined based on the length of the magnetic pole core; the length L of the adjustable fixture is determined based on the length L1 of the magnetic pole core and the length L2 of the adjustable fixture: L = L2 - L1.

[0016] Preferably, the left end of the fixed guide seat abuts against the right side of the fixed base, and the right end abuts against the right side plate of the base; a guide groove is provided on the top surface of the fixed guide seat, and a pressure tire is provided through the guide groove.

[0017] Preferably, the enlarged riveting jig includes a positioning and fixing seat disposed on the pressure jig, and the positioning and fixing seat is provided with an enlarged punch.

[0018] Preferably, two sets of fixing rings are arranged side by side on the left and right, each including a lower fixing half ring with its lower part set on the fixing guide seat. The lower fixing half ring is bolted to a lower fixing half ring with its opening facing downward. An electric hydraulic jack is locked and fixed by the lower fixing half ring and the upper fixing half ring.

[0019] Preferably, the electro-hydraulic jack is a bidirectional electro-hydraulic jack.

[0020] Compared with the prior art, the beneficial effects of this utility model are:

[0021] 1. The "adjustable jig - adjustment jig - fixed guide seat - pressure jig - hole enlargement and riveting jig - two-way electric hydraulic jack" are integrated on the same horizontal base to realize the stacking, pre-pressing, pressing and hole enlargement and riveting of magnetic pole pieces in one continuous clamping, reducing equipment occupation by more than 50% and reducing logistics time between processes by 70%.

[0022] 2. By adjusting the combination of the fixed base, the lateral adjustment fixed base, the T-slot, the limit stop, and the adjustment side plates one and two, it can be steplessly adjusted in both the width and length directions, covering the full range of commonly used magnetic pole core specifications; it adopts a replaceable or telescopic structure, and its length is compensated in real time according to the length of the magnetic pole core to ensure uniform force on the end face of the laminate.

[0023] 3. A two-way electric hydraulic jack is selected. The forward stroke provides a large tonnage clamping force, and the reverse stroke drives the hole-expanding punch to complete the riveting. No additional punch press is required, and the pressing and riveting cycle is shortened to less than 30 seconds. At the same time, the hydraulic system is closed-loop controlled, and the pressure and displacement are programmable to ensure that the pressing density consistency is ≤±0.5% and the coaxiality of the riveting hole is ≤0.1mm.

[0024] This invention, with its integrated, adjustable, and bidirectional hydraulic drive as its core, achieves "high precision, high efficiency, low cost, and high safety" in the manufacturing process of magnetic pole cores. It is particularly suitable for small-batch, multi-variety, and large-batch mixed production modes, and has broad prospects for promotion and significant economic and social benefits. Attached Figure Description

[0025] Figure 1 This is the front view of the present utility model;

[0026] Figure 2 for Figure 1 Structural diagram;

[0027] Figure 3 for Figure 2 Top view;

[0028] Figure 4 Main view of the adjustable fixture;

[0029] Figure 5 for Figure 4 Top view;

[0030] Figure 6 Front view of the pressure tire;

[0031] Figure 7 for Figure 6 Left view;

[0032] Figure 8 This is the main view of the enlarged hole riveting jig;

[0033] Figure 9 for Figure 8 Top view;

[0034] In the diagram: Horizontal base-1, base pad-11, base groove-12, base worktable-13, base side plate-14, adjusting jig-2, magnetic pole core-3, adjustable jig-4, limit stop-401, lateral adjustment fixing seat-402, fixed base-403, adjusting side plate one-404, adjusting side plate two-405, jig groove-406, T-slot-407, pressure jig-5, hole enlarging and riveting jig-6, hole enlarging punch-601, positioning fixing seat-602, electric hydraulic jack-7, fixing ring-8, fixing lower half ring-81, fixing upper half ring-82, fixing guide seat-9, guide groove-91. Detailed Implementation

[0035] To enable those skilled in the art to better understand the technical solutions of this utility model, the technical solutions in the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings and specific embodiments.

[0036] Please refer to Figure 1-9 , Figure 1 This is the front view of the present utility model; Figure 2 for Figure 1 Structural diagram; Figure 3 for Figure 2 Top view; Figure 4 Main view of the adjustable fixture; Figure 5 for Figure 4 Top view; Figure 6 Front view of the pressure tire; Figure 7 for Figure 6 Left view; Figure 8 This is the main view of the enlarged hole riveting jig; Figure 9 for Figure 8 Top view.

[0037] This utility model provides a hydraulically adjustable device for stacking and riveting generator magnetic pole cores, including a horizontally arranged base 1. The inner side of the horizontal base 1 is provided with an adjustable jig 4 on the left and a fixed guide seat 9 on the right. The adjustable jig 4 is provided with an adjusting jig 2 on the left and a magnetic pole core 3 on the right. The top surface of the fixed guide seat 9 is provided with a pressure jig 5 on the left and a fixing ring 8 on the right. The pressure jig 5 is provided with an enlarged riveting jig 6, and the fixing ring 8 is provided with an electric hydraulic jack 7.

[0038] The horizontal base 1 has multiple base pads 11 on its bottom surface; a recessed base groove 12 is provided at the middle of the top surface of the horizontal base 1, and a base worktable 13 is provided at the bottom of the base groove 11. An adjustable fixture 4 on the left and a fixed guide seat 9 on the right are provided on the top surface of the base worktable 13; base side plates 14 are provided on the left and right sides of the base groove 11, respectively.

[0039] The adjustable fixture 4 includes an adjustable fixing base 403 at the bottom. A lateral adjusting fixing seat 402 is bolted to the left end of the adjustable fixing base 403, and the lateral adjusting fixing seat 402 abuts against the left side plate 14 of the base. A plurality of fixture grooves 406 are evenly arranged on the top surface of the adjustable fixing base 403, and a limiting stop 401 parallel to the lateral adjusting fixing seat 402 is provided at each fixture groove 406. An adjusting side plate 1 404 and an adjusting side plate 2 405 perpendicular to the limiting stop 401 and the lateral adjusting fixing seat 402 are also provided on the top surface of the adjustable fixing base 403. The adjusting side plate 1 404 and the adjusting side plate 2 405 are both fixed to the adjustable fixing base 403 with fixing bolts. At the same time, the left ends of the adjusting side plate 1 404 and the adjusting side plate 2 405 are placed in the movable and adjustable T-shaped groove 407 of the lateral adjusting fixing seat 402, so as to match and be suitable for manufacturing the magnetic pole core 3.

[0040] The shape of the adjusting tire 2 is the same as that of the magnetic pole core 3, and the length of the adjusting tire 2 is adjustable.

[0041] The magnetic pole core 3 is made up of multiple magnetic pole laminations stacked together, and the number of magnetic pole laminations can be adjusted according to actual needs, thereby adjusting the length of the magnetic pole core 3.

[0042] The distance between the first adjustable side plate 404 and the second adjustable side plate 405 can be selected and determined based on the width B of the magnetic pole core 3, optimized and taking into account a suitable gap; the working length L1 of the adjustable fixture 4 can be selected and determined based on the length of the magnetic pole core 3; the length L of the adjustable fixture 2 is determined based on the length L1 of the magnetic pole core 3 and the length L2 of the adjustable fixture 4: L = L2 - L1.

[0043] The left end of the fixed guide seat 9 abuts against the right side of the fixed base 403, and the right end abuts against and is fixed to the right side plate 14 of the base; a guide groove 91 is provided on the top surface of the fixed guide seat 9, and a pressure tire 5 is provided through the guide groove 91.

[0044] The pressure jig 5 performs precise pre-pressing on the magnetic pole core 3 during operation, and the expansion and riveting jig 6 is installed on it to simultaneously perform stacking and expansion riveting on the magnetic pole core 3, which is highly efficient.

[0045] The enlarged riveting jig 6 includes a positioning and fixing seat 602 disposed on the pressure jig 5, and an enlarged punch 601 is disposed on the positioning and fixing seat 602. The structure is simple, safe and controllable.

[0046] Two sets of fixed rings 8 are arranged side by side on the left and right sides. Each set includes a lower fixed half ring 81 with its lower part set on the fixed guide seat 9. The lower fixed half ring 81 is bolted to a lower fixed half ring 82 with its opening facing downward. An electric hydraulic jack 7 is locked and fixed by the lower fixed half ring 81 and the upper fixed half ring 82.

[0047] The electric hydraulic jack 7 is a bidirectional electric hydraulic jack. After the working pressure generated by the electric hydraulic jack 7 is applied to the pressure jig 5 to precisely pre-press the magnetic pole core 3, the hole-expanding riveting jig 6 installed on the pressure jig 5 completes the stacking and hole-expanding riveting of the magnetic pole core 3 in one piece. The work is simple and efficient.

[0048] Although embodiments of the present invention have been shown and described, it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, it will be understood by those skilled in the art that all other embodiments obtained by making various changes, modifications, substitutions and alterations to these embodiments without departing from the principles and spirit of the present invention and without creative effort are within the scope of protection of the present invention.

Claims

1. A hydraulically adjustable device for stacking and riveting generator magnetic pole cores, characterized in that: The system includes a horizontally mounted base (1), on which an adjustable fixture (4) on the left and a fixed guide seat (9) on the right are provided on the inner side. The adjustable fixture (4) is provided with an adjusting fixture (2) on the left and a magnetic pole core (3) on the right. The fixed guide seat (9) is provided with a pressure fixture (5) on the left and a fixed ring (8) on the right. The pressure fixture (5) is provided with a hole-expanding riveting fixture (6), and the fixed ring (8) is provided with an electric hydraulic jack (7).

2. The hydraulically adjustable equipment for stacking and riveting generator magnetic pole cores according to claim 1, characterized in that: The horizontal base (1) has multiple base pads (11) on its bottom surface; a recessed base groove (12) is provided at the middle position of the top surface of the horizontal base (1), and a base worktable (13) is provided at the bottom of the base groove (12). An adjustable fixture (4) on the left side and a fixed guide seat (9) on the right side are provided on the top surface of the base worktable (13); base side plates (14) are provided on the left and right sides of the base groove (12).

3. The hydraulically adjustable equipment for stacking and riveting generator magnetic pole cores according to claim 2, characterized in that: The adjustable fixture (4) includes an adjustable fixing base (403) at the bottom. A lateral adjusting fixing seat (402) is bolted to the left end of the adjustable fixing base (403), and the lateral adjusting fixing seat (402) abuts against the base side plate (14) on the left side. A plurality of fixture grooves (406) are evenly arranged on the top surface of the adjustable fixing base (403), and a limiting stop (401) parallel to the lateral adjusting fixing seat (402) is provided at each fixture groove (406). An adjusting side plate one (404) and an adjusting side plate two (405) perpendicular to the limiting stop (401) and the lateral adjusting fixing seat (402) are also bolted to the top surface of the adjustable fixing base (403). At the same time, the left ends of the adjusting side plate one (404) and the adjusting side plate two (405) are placed in the movable and adjustable T-shaped groove (407) of the lateral adjusting fixing seat (402).

4. The hydraulically adjustable equipment for stacking and riveting generator magnetic pole cores according to claim 3, characterized in that: The shape of the adjusting tire (2) is the same as that of the magnetic pole core (3), and the length of the adjusting tire (2) is adjustable.

5. The hydraulically adjustable equipment for stacking and riveting generator magnetic pole cores according to claim 4, characterized in that: The magnetic pole core (3) is made of multiple magnetic pole laminations stacked together, and the number of magnetic pole laminations can be adjusted according to actual needs, thereby adjusting the length of the magnetic pole core (3).

6. The hydraulically adjustable equipment for stacking and riveting generator magnetic pole cores according to claim 5, characterized in that: The distance between the first adjustable side plate (404) and the second adjustable side plate (405) can be selected and determined according to the width B of the magnetic pole core (3); the working length L1 of the adjustable fixture (4) can be selected and determined according to the length of the magnetic pole core (3); the length L of the adjustable fixture (2) is determined according to the length L1 of the magnetic pole core (3) and the length L2 of the adjustable fixture (4): L = L2 - L1.

7. The hydraulically adjustable equipment for stacking and riveting generator magnetic pole cores according to claim 6, characterized in that: The left end of the fixed guide seat (9) abuts against the right side of the fixed base (403), and the right end abuts against the right side plate (14) of the base. A guide groove (91) is provided on the top surface of the fixed guide seat (9), and a pressure tire (5) is provided through the guide groove (91).

8. The hydraulically adjustable equipment for stacking and riveting generator magnetic pole cores according to claim 7, characterized in that: The enlarged riveting jig (6) includes a positioning and fixing seat (602) disposed on the pressure jig (5), and an enlarged punch (601) is disposed on the positioning and fixing seat (602).

9. The hydraulically adjustable equipment for stacking and riveting generator magnetic pole cores according to claim 8, characterized in that: The fixed ring (8) is arranged in two sets on the left and right, each including a fixed lower half ring (81) set on the fixed guide seat (9) at the bottom. The fixed lower half ring (81) is bolted to a fixed upper half ring (82) with the opening facing downward. An electric hydraulic jack (7) is locked and fixed by the fixed lower half ring (81) and the fixed upper half ring (82).

10. The hydraulically adjustable equipment for stacking and riveting generator magnetic pole cores according to claim 9, characterized in that: The electric hydraulic jack (7) is a bidirectional electric hydraulic jack.

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