Accompanying tool seat for press fitting of stator in shell
By designing a traveling fixture for stator housing press-fitting, the problem of press-fitting medium-sized motor housings and stators was solved, enabling stable movement and positioning of the motor housing on the conveyor line and simplifying the motor assembly process.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-09
- Publication Date
- 2026-03-27
AI Technical Summary
Existing technologies make it difficult to efficiently press-fit the housing and stator of medium-sized motors, especially due to the difficulty in moving and positioning them above the press-fitting equipment.
A traveling fixture for stator housing press-fitting was designed, including a rectangular base plate, a vertical plate, a limiting pressure bar, and a nylon pad, etc., for fixing and moving the motor housing to ensure stable positioning and press-fitting on the conveyor line.
It enables stable movement of medium-sized motor housings on the conveyor line and positioning at the press-fitting station, simplifying the motor assembly process and improving the convenience and efficiency of operation.
Smart Images

Figure CN224054072U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of shell processing auxiliary jig, more specifically relates to a kind of travelling tool holder for stator shell press fitting. BACKGROUND
[0002] The structure of motor generally includes shell, stator and rotor, wherein stator is generally entered into motor shell by press fitting, and the conventional mode is to vertically set motor shell and clamping and fixing on the working platform of press fitting equipment, then stator is press fitted into motor shell from the upper portion of motor shell by press fitting equipment;Its press fitting structure is more suitable for small motor, for some medium-sized motor, it is more inconvenient to move motor shell and stator to the platform of press fitting equipment and the upper portion of motor shell due to the weight of motor shell and stator;Therefore, someone proposes two conveying lines, upper conveying line conveys vertically set motor shell, lower conveying line conveys stator, in press fitting station, stator is press fitted into motor shell from the lower portion of motor shell by lifting stator, so tooling for realizing the positioning and movement of motor shell is needed to realize the press fitting of stator from the lower portion of motor shell. SUMMARY
[0003] The utility model discloses a kind of travelling tool holder for stator shell press fitting, and it is used for installing and fixing vertical motor shell, can realize the movement of motor shell on conveying line, and it is convenient for motor shell positioning in press fitting station.
[0004] A kind of travelling tool holder for stator shell press fitting, including rectangular bottom plate, the upper end surface of the rear portion of bottom plate is fixedly connected with the transverse vertical plate, the top of vertical plate is formed with the rectangular opening on the two sides of side wall, the opening of the two sides of vertical plate is respectively inserted with horizontal longitudinal limit press rod, the rear end of limit press rod is inserted with rear locking bolt, the end of rear locking bolt is screwed on support seat, support seat is fixedly connected on the rear end surface of vertical plate and located on the downside of opening;The front end of limit press rod is inserted with the screw rod with the D-shaped cross section, the upper end of screw rod is inserted with front locking nut outside limit press rod, the lower end of screw rod is formed with the circular limit head;
[0005] The upper end surface of the two sides of bottom plate is respectively formed with the circular arc notch, the upper end surface of the two sides of bottom plate is respectively fixedly connected with the stopper covering notch, the stopper is formed with the bayonet opposite to notch on the upper end surface of the two sides of bottom plate, the screw rod is inserted in the bayonet of stopper, and the limit head is inserted in the notch of bottom plate and abuts on the lower end surface of stopper;
[0006] The upper end surface of the bottom plate of vertical plate front side is fixedly connected with the rectangular nylon pad plate, the middle portion of bottom plate is formed with the press fitting via hole, and the nylon pad plate is formed with the avoidance hole opposite to the press fitting via hole;The middle portion of vertical plate is respectively inserted with a plurality of longitudinal positioning pins.
[0007] Preferably, the thickness of the screw upper limiting head is less than the thickness of the bottom plate, the bayonet on the block is circular arc, and the slot width of the bayonet is less than the diameter of the limiting head;
[0008] The center of the circular arc of the bayonet and the center of the circular arc of the slot are located on the central axis of the rear locking bolt.
[0009] Preferably, the thickness of the nylon pad plate is greater than the thickness of the block, and the front part of the nylon pad plate is formed with two sides of the avoiding hole corresponding to the block;
[0010] The rear end surface of the nylon pad plate abuts against the vertical plate, and the distance from the front side edge of the nylon pad plate to the vertical plate is less than the distance from the front side edge of the bottom plate to the vertical plate.
[0011] Preferably, the slot width of the opening on the vertical plate is greater than the thickness of the limiting pressure rod.
[0012] Preferably, the rear locking bolt is sleeved with a guide limiting seat, the guide limiting seat is fixed to the rear end surface of the vertical plate and located on the upper side of the opening; the rear locking bolt is sleeved with a limiting block ring, and the limiting block ring abuts against the upper end surface of the limiting pressure rod.
[0013] Preferably, the rear end surface of the vertical plate between the openings is fixed with two groups of longitudinal rib plates respectively, the lower end of the rib plate is fixed to the bottom plate, and the guide limiting seat and the supporting seat are fixed to the rib plate respectively.
[0014] Preferably, a gap is arranged between the rear end surface of the rib plate and the rear end surface of the bottom plate.
[0015] The beneficial effects of the utility model lie in:
[0016] The utility model discloses a portable tool seat for installing and fixing the vertical motor shell, can realize the movement of the motor shell on the conveying line, and is convenient for the positioning of the motor shell at the press fitting station, and is convenient for realizing the assembly of the motor. DRAWINGS
[0017] Fig. 1 It is the three-dimensional structure schematic diagram of the utility model;
[0018] Fig. 2 It is the structure schematic diagram of the utility model from the top;
[0019] Fig. 3 It is the structure schematic diagram of the utility model from the side.
[0020] In the drawing: 1, bottom plate; 11, slot; 12, press fitting through hole; 2, vertical plate; 21, opening; 3, limiting pressure rod; 4, supporting seat; 5, rear locking bolt; 6, screw; 61, limiting head; 7, block; 71, bayonet; 8, front locking nut; 9, nylon pad plate; 91, avoiding hole; 10, positioning pin; 20, rib plate; 30, guide limiting seat. Detailed Implementation
[0021] Example: See Figs. 1 to 3 As shown, a traveling tooling base for stator housing press fitting includes a rectangular base plate 1. A horizontal vertical plate 2 is fixedly connected to the upper surface of the rear part of the base plate 1. Rectangular openings 21 are formed on the two side walls of the top of the vertical plate 2. Horizontal and longitudinal limiting rods 3 are respectively inserted into the openings 21 on both sides of the vertical plate 2. A rear locking bolt 5 is inserted into the rear end of the limiting rod 3. The end of the rear locking bolt 5 is screwed onto a support base 4. The support base 4 is fixed to the rear end surface of the vertical plate 2 and located below the opening 21. A screw rod 6 with a D-shaped cross section is inserted into the front end of the limiting rod 3. A front locking nut 8 is screwed onto the upper end of the screw rod 6 extending out of the limiting rod 3. A circular limiting head 61 is formed at the lower end of the screw rod 6.
[0022] The two side walls at the front of the base plate 1 are respectively formed with arc-shaped slots 11. The upper surfaces of the two sides of the base plate 1 are respectively fixed with blocks 7 covering the slots 11. The blocks 7 are formed with slots 71 opposite to the slots 11. The screw 6 is inserted into the slots 71 of the blocks 7. The limiting head 61 is inserted into the slots 11 of the base plate 1 and abuts against the lower surface of the blocks 7.
[0023] A rectangular nylon pad 9 is fixed to the upper surface of the base plate 1 on the front side of the upright plate 2. A press-fitting through hole 12 is formed in the middle of the base plate 1. An avoidance hole 91 is formed on the nylon pad 9, which is directly opposite to the press-fitting through hole 12. Several longitudinal positioning pins 10 are inserted and fixed on both sides of the middle of the upright plate 2.
[0024] The thickness of the upper limit head 61 of the screw 6 is less than the thickness of the base plate 1, and the slot 71 on the stop block 7 is arc-shaped, with the groove width of the slot 71 being less than the diameter of the limit head 61; thus, the limit head 61 will not affect the movement of the base plate 1 on the conveyor line composed of conveying rollers.
[0025] The center of the arc of the bayonet 71 and the center of the arc of the slot 11 are both located on the central axis of the rear locking bolt 5.
[0026] The thickness of the nylon pad 9 is greater than the thickness of the stop block 7, and the two sides of the front part of the nylon pad 9 are respectively formed with clearance openings opposite to the stop block 7; this can prevent the motor housing from colliding with the nylon pad 9.
[0027] The rear end face of the nylon pad 9 abuts against the upright plate 2. The distance from the front side of the nylon pad 9 to the upright plate 2 is less than the distance from the front side of the base plate 1 to the upright plate 2. The front and rear sides of the base plate 1 need to cooperate with the limiting baffles on the conveyor line. That is, two sets of limiting baffles are set on the conveyor line above the front and rear sides of the base plate 1 to restrict the upward movement of the traveling tooling seat during stator pressing.
[0028] The slot width of the opening 21 on the vertical plate 2 is greater than the thickness of the limiting pressure rod 3, the height of the limiting pressure rod 3 can be adjusted, and the limiting pressure rod 3 cooperates with the bottom plate 1 to realize clamping and fixing of the motor shell.
[0029] The rear locking bolt 5 is sleeved with a guide limiting seat 30, the guide limiting seat 30 is fixed on the rear end face of the vertical plate 2 and located on the upper side of the opening 21; the rear locking bolt 5 is sleeved with a limiting baffle ring 51, the limiting baffle ring 51 abuts against the upper end face of the limiting pressure rod 3.
[0030] Two groups of longitudinal rib plates 20 are respectively fixed on the rear end face of the vertical plate 2 between the openings 21, the lower end of the rib plate 20 is fixed on the bottom plate 1, and the guide limiting seat 30 and the supporting seat 4 are respectively fixed with the rib plate 20.
[0031] A gap is arranged between the rear end face of the rib plate 20 and the rear end face of the bottom plate 1.
[0032] Working principle: the structure is a traveling tool seat for stator shell pressing, the tool seat is used for fixing the vertical motor shell, realizes movement of the motor shell on the conveying line, and can cooperate with the pressing of the stator;
[0033] Meanwhile, the tool seat is convenient and fast for mounting and dismounting the motor shell; when used, the limiting pressure rod 3 is rotated to move away from the upper side of the bottom plate 1, the motor shell is placed on the nylon pad 9, the mounting base of the motor shell abuts against the vertical plate 2, and the positioning pin 10 is inserted into the mounting hole of the mounting base of the motor shell; then the limiting pressure rod 3 is rotated, the limiting pressure rod 3 is moved to the upper side of the motor shell, and the motor shell is mounted and fixed through the rear locking bolt 5 and the front locking nut 8.
[0034] The embodiment is used for illustrative description of the utility model, and is not used for limiting the utility model. Any person skilled in the art can modify the embodiment without departing from the spirit and scope of the utility model, and therefore the protection scope of the utility model should be as the claims of the utility model.
Claims
1. A traveling fixture for stator housing press fitting, comprising a rectangular base plate (1), wherein a transverse vertical plate (2) is fixedly connected to the upper surface of the rear part of the base plate (1), characterized in that: Rectangular openings (21) are formed on the two side walls of the top of the upright plate (2). Horizontal longitudinal limiting rods (3) are inserted into the openings (21) on both sides of the upright plate (2). A rear locking bolt (5) is inserted into the rear end of the limiting rod (3). The end of the rear locking bolt (5) is screwed onto the support seat (4). The support seat (4) is fixed to the rear end face of the upright plate (2) and located below the opening (21). A screw rod (6) with a D-shaped cross section is inserted into the front end of the limiting rod (3). A front locking nut (8) is screwed into the upper end of the screw rod (6) extending out of the limiting rod (3). A circular limiting head (61) is formed at the lower end of the screw rod (6). The front side walls of the base plate (1) are respectively formed with arc-shaped slots (11). The upper surfaces of the two sides of the base plate (1) are respectively fixed with blocks (7) covering the slots (11). The blocks (7) are formed with slots (71) opposite to the slots (11). The screw (6) is inserted into the slots (71) of the blocks (7). The limiting head (61) is inserted into the slots (11) of the base plate (1) and abuts against the lower surface of the blocks (7). A rectangular nylon pad (9) is fixed to the upper surface of the bottom plate (1) on the front side of the upright plate (2). A press-fitting through hole (12) is formed in the middle of the bottom plate (1). A clearance hole (91) is formed on the nylon pad (9) that is directly opposite to the press-fitting through hole (12). Several longitudinal positioning pins (10) are inserted and fixed on both sides of the middle of the upright plate (2).
2. The accompanying tooling holder for stator housing press-fitting according to claim 1, characterized in that: The thickness of the upper limit head (61) of the screw (6) is less than the thickness of the base plate (1), and the slot (71) on the stop block (7) is arc-shaped, with the groove width of the slot (71) being less than the diameter of the limit head (61). The center of the arc of the bayonet (71) and the center of the arc of the slot (11) are both located on the central axis of the rear locking bolt (5).
3. The accompanying tooling holder for stator housing press-fitting according to claim 1, characterized in that: The thickness of the nylon pad (9) is greater than the thickness of the stop (7), and the two sides of the front part of the nylon pad (9) are respectively formed with clearance openings opposite to the stop (7); The rear end face of the nylon pad (9) abuts against the upright plate (2), and the distance from the front side of the nylon pad (9) to the upright plate (2) is less than the distance from the front side of the bottom plate (1) to the upright plate (2).
4. The accompanying tooling holder for stator housing press-fitting according to claim 1, characterized in that: The width of the slot of the opening (21) on the upright plate (2) is greater than the thickness of the limiting pressure rod (3).
5. A traveling tooling holder for stator housing press-fitting according to claim 4, characterized in that: The rear locking bolt (5) is fitted with a guide limit seat (30), which is fixed to the rear end face of the upright plate (2) and located on the upper side of the opening (21); the rear locking bolt (5) is fitted with a limit stop ring (51), which abuts against the upper end face of the limit pressure rod (3).
6. A traveling tooling holder for stator housing press-fitting according to claim 5, characterized in that: Two sets of longitudinal stiffeners (20) are fixedly connected to the rear end face of the vertical plate (2) between the openings (21). The lower end of the stiffener (20) is fixedly connected to the bottom plate (1). The guide limit seat (30) and the support seat (4) are fixedly connected to the stiffener (20) respectively.
7. A traveling fixture for stator housing press-fitting according to claim 6, characterized in that: A gap is provided between the rear end face of the stiffening plate (20) and the rear end face of the bottom plate (1).