Groove paper shaping mechanism of groove paper machine

Abstract

The utility model relates to a slot paper shaping mechanism of a slot paper machine, which is characterized in that a front ejector block is positioned on the front side of a fixed die, a front groove is formed on the front side of the fixed die, a front ejector block bulge matched with the front groove is formed on the front ejector block, and the front ejector block moves back and forth relative to the fixed die. The front ejector block and the side ejector block are matched with the fixed die, grooves are pressed on the front side, the left side and the right side of the slot paper, the slot paper is prevented from interfering with a stator winding slot when being inserted, meanwhile, the contact surface of the slot paper is small when the slot paper is inserted into the stator winding slot, the friction force is small, and the success rate and the efficiency when the slot paper is inserted are improved; after being pressed, the slot paper rebounds and unfolds after completely entering the stator winding slot, so that the slot paper is attached to the inner wall of the stator winding slot, and the position fixation of the slot paper and the stator is ensured.

Description

Technical Field

[0001] The utility model relates to the field of motor production devices, in particular to a slot paper shaping mechanism of a slot paper machine. Background Art

[0002] The stator slot paper plays a key role in the motor and is mainly used for slot insulation of the stator winding. Specifically, it has the following important functions: preventing the stator winding (enameled wire) from directly contacting the stator core and avoiding short circuits. Since the core is made of conductive metal, without insulation, the current between windings will directly flow through the core, resulting in a short circuit in the circuit; increasing the electrical strength of the motor and improving the withstand voltage capacity of the stator winding. This helps the motor to operate stably under high voltage or high frequency and reduces the occurrence of electrical faults; the slot paper can save costs.

[0003] The slot paper inserted into the stator winding slot should fit tightly with the stator winding slot. However, there are usually two situations when the existing slot paper equipment inserts the slot paper into the stator slot: First, in order to make the slot paper fit as closely as possible with the stator slot, the size of the slot paper is basically the same as that of the stator slot. However, due to the structural design of the existing slot paper equipment, paper jams often occur (i.e., interference occurs between the slot paper and the stator slot during insertion). Second, in order to avoid the above paper jam situation, another approach is to set the size of the slot paper smaller than that of the stator slot. Although it can partially solve the paper jam problem, the inserted slot paper cannot fit tightly with the stator slot. Summary of the Utility Model

[0004] The utility model aims to solve the above problems and provides a slot paper shaping mechanism of a slot paper machine, which solves the above problems. The technical solution is as follows:

[0005] The slot paper shaping mechanism of a slot paper machine includes: a fixed mold, a front top block, and side top blocks. The front top block is located on the front side of the fixed mold. A front groove is formed on the front side of the fixed mold. The front top block is formed with a front top block protrusion adapted to the front groove. The front top block moves in the front-back direction relative to the fixed mold.

[0006] Furthermore, it also includes side top blocks. The two side top blocks are respectively located on the left and right sides of the fixed mold. Side grooves are respectively formed on the left and right sides of the fixed mold. The side of the side top block close to the fixed mold is formed with a side top block protrusion adapted to the side groove. The side top block moves in the left-right direction relative to the fixed mold.

[0007] Furthermore, a front protrusion is formed on the front side of the fixed mold, and a front top block groove adapted to the front protrusion is formed on the front top block; side protrusions are respectively formed on the left and right sides of the fixed mold, and side top block grooves adapted to the side protrusions are formed on the side top blocks.

[0008] Furthermore, the front protrusions and front grooves are arranged in an alternating manner, and the side grooves and side protrusions are arranged in an alternating manner.

[0009] Further, it further includes a rear ejector block. The rear ejector block is located at the rear side of the fixed mold. A rear groove is formed at the rear side of the fixed mold. A rear ejector block protrusion is formed on the rear ejector block. The rear ejector block protrusion is adapted to the rear groove. The rear ejector block moves in the front-rear direction relative to the fixed mold.

[0010] Further, the inner walls on both sides of the rear groove include a first vertical surface and a second vertical surface. The first vertical surface and the second vertical surface intersect. The side of the first vertical surface away from the second vertical surface inclines outward.

[0011] Further, the front ejector block is formed with front saw teeth, the side ejector block is formed with side saw teeth, and the rear ejector block is formed with rear saw teeth. The side saw teeth are respectively adapted to the front saw teeth and the rear saw teeth.

[0012] Further, it further includes a guide plate, a connecting plate and a spring. The two guide plates are respectively located on the left and right sides of the front ejector block. The two guide plates are respectively fixedly connected to the connecting plate. A placement groove is formed between the guide plate and the connecting plate. The two placement grooves are arranged oppositely. The two ends of the spring are respectively connected to the connecting plate and the front ejector block. The connecting plate and the front ejector block are slidably connected.

[0013] Further, it further includes a guide block. The guide block is located above the fixed mold. The guide block is formed with a guide hole. The guide hole is located above the fixed mold.

[0014] Further, it further includes an ejector rod. First ejector grooves are formed on the left and right sides of the fixed mold. Second ejector grooves are formed on the side of the ejector block close to the fixed mold. The ejector rod is located between the first ejector groove and the second ejector groove. The ejector rod moves in the up-down direction relative to the fixed mold.

[0015] Further, it further includes a frame. The fixed mold is fixedly connected to the frame. The front ejector block, the ejector block and the rear ejector block are respectively slidably connected to the frame and are driven by their respective corresponding driving devices.

[0016] The utility model has the following advantages: By the cooperation of the front ejector block and the side ejector block with the fixed mold, grooves are pressed out on the front side and the left and right sides of the slot paper, avoiding interference between the slot paper and the stator winding slot during insertion. At the same time, when the slot paper is inserted into the stator winding slot, the contact surface is small, so the friction force is also small, improving the success rate and efficiency of slot paper insertion; After the slot paper is pressed, it rebounds and unfolds after completely entering the stator winding slot, making the slot paper fit with the inner wall of the stator winding slot, ensuring the fixed position of the slot paper and the stator; The two guiding parts are inclined, facilitating the winding of the winding device to be inserted into the slot paper for winding, improving the winding efficiency. Description of the Drawings

[0017] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings required for the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only one embodiment of the present invention. For those of ordinary skill in the art, without creative efforts, other implementation drawings can be obtained by extending the provided drawings.

[0018] Figure 1 : The first three-dimensional structure schematic diagram of the present invention;

[0019] Figure 2 : Figure 1 The partial enlarged structure schematic diagram at position A in

[0020] Figure 3 : The top view structure schematic diagram of the present invention;

[0021] Figure 4 : Figure 3 The partial enlarged structure schematic diagram at position B in

[0022] Figure 5 : The second three-dimensional structure schematic diagram of the present invention (some components are not shown);

[0023] Figure 6 : The third three-dimensional structure schematic diagram of the present invention (some components are not shown);

[0024] Figure 7 : The three-dimensional exploded view of the present invention;

[0025] Figure 8 : The top view after the slot paper pressing is completed;

[0026] Figure 9 : The top view after the slot paper rebounds and unfolds. Detailed implementation manners

[0027] The following further illustrates the present invention in conjunction with the accompanying drawings and examples:

[0028] The following details the embodiments of the present invention. The examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions from beginning to end. The embodiments described below by referring to the accompanying drawings are exemplary and are only used to explain the present invention and should not be construed as a limitation to the present invention.

[0029] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0030] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the present utility model.

[0031] As Figures 1 to 9 shown, the groove paper shaping mechanism of the groove paper machine includes: a fixed mold 1, a front top block 2, and side top blocks 3. The front top block 2 is located on the front side of the fixed mold 1. A front groove 12 is formed on the front side of the fixed mold 1. The front top block 2 is formed with a front top block protrusion 22 adapted to the front groove 12, and the front top block 2 moves in the front-rear direction relative to the fixed mold 1.

[0032] Furthermore, it further includes side top blocks 3. The two side top blocks 3 are respectively located on the left and right sides of the fixed mold 1. Side grooves 13 are respectively formed on the left and right sides of the fixed mold 1. The side of the side top block 3 close to the fixed mold 1 is formed with a side top block protrusion 31 adapted to the side groove 13, and the side top block 3 moves in the left-right direction relative to the fixed mold 1.

[0033] During operation, the front top block 2 presses the groove paper 9 against the front side of the fixed mold 1, and a front groove 93 of the groove paper is formed on the front side of the groove paper 9. Then, the two side top blocks 3 respectively move towards the fixed mold 1. After bending the groove paper 9 left and right, groove paper side grooves 94 are pressed out on the left and right sides of the groove paper 9. After the pressing is completed, the groove paper 9 is inserted into the stator winding groove. During the insertion process, manual or fixture is used to keep the formed grooves from rebounding. At this time, the recessed front groove 93 and side groove 94 of the groove paper do not contact the inner wall of the stator winding groove, avoiding interference and frictional force with the inner wall of the stator winding groove, and making it easier for the groove paper 9 to enter the stator winding groove. When the groove paper 9 is completely inserted into the stator winding groove, the groove paper 9 is released, and the recessed front groove 93 and side groove 94 of the groove paper will rebound outwards, ensuring that the outer side of the groove paper 9 fits against the inner wall of the stator winding groove, thereby fixing the groove paper 9 and the stator winding groove.

[0034] Further, a front protrusion 11 is formed on the front side of the fixed mold 1, and a front ejector block groove 21 adapted to the front protrusion 11 is formed on the front ejector block 2. The corresponding front protrusion 11 and front ejector block groove 21 press out a front protrusion 92 of the slot paper 9. Side protrusions 14 are respectively formed on the left and right sides of the fixed mold 1, and a side ejector block groove 32 adapted to the side protrusion 14 is formed on the side ejector block 3. The corresponding side protrusion 14 and side ejector block groove 32 press out a side protrusion 95 of the slot paper 9.

[0035] Further, the front protrusions 11 and front grooves 12 are arranged in an alternating manner, and the side grooves 13 and side protrusions 14 are arranged in an alternating manner. It should be noted that Figure 4 The side protrusion 14 in the middle is interrupted into two parts by the first ejection groove 17.

[0036] Further, it further includes a rear ejector block 4. The rear ejector block 4 is located at the rear side of the fixed mold 1. A rear groove 10 is formed on the rear side of the fixed mold 1. A rear ejector block protrusion 41 is formed on the rear ejector block 4. The rear ejector block protrusion 41 is adapted to the rear groove 10, and the rear ejector block 4 moves in the front-rear direction relative to the fixed mold 1.

[0037] After the side ejector block 3 presses the side of the slot paper 9, the rear ejector block 4 moves forward. The rear ejector block protrusion 41 contacts the left and right sides of the slot paper 9 and presses the left and right sides of the slot paper 9 to form Figure 8 the guiding part 91 in. When the slot paper 9 is completely placed into the stator winding slot, the slot paper 9 is released, and the bent part connected to the guiding part 91 will drive the guiding part 91 to rotate. The two guiding parts 91 rotate towards each other (as Figure 9 shown), which is convenient for the subsequent winding device to insert into the inside of the slot paper 9 through the gap between the two guiding parts 91 when winding the coil.

[0038] Further, the inner walls of both sides of the rear groove 10 include a first vertical surface 15 and a second vertical surface 16. The first vertical surface 15 and the second vertical surface 16 intersect. The side of the first vertical surface 15 away from the second vertical surface 16 is inclined outward. The first vertical surface 15 and the second vertical surface 16 are provided to press out the corresponding bent part and guiding part 91.

[0039] Further, the front ejector block 2 is formed with front saw teeth 23, the side ejector block 3 is formed with side saw teeth 34, and the rear ejector block 4 is formed with rear saw teeth 42. The side saw teeth 34 are respectively adapted to the front saw teeth 23 and the rear saw teeth 42. During pressing, the protrusions of the side saw teeth 34 are inserted into the grooves of the side saw teeth 34 and the rear saw teeth 42, and the grooves of the side saw teeth 34 are inserted into the protrusions of the side saw teeth 34 and the rear saw teeth 42. Thereby positioning the front ejector block 2, the side ejector block 3 and the rear ejector block 4 to prevent shaking during movement.

[0040] Further, it also includes a guide plate 6, a connecting plate 61 and a spring 62. The two guide plates 6 are respectively located on the left and right sides of the front top block 2. The two guide plates 6 are respectively fixedly connected to the connecting plate 61. A placement groove 60 is formed between the guide plate 6 and the connecting plate 61. The two placement grooves 60 are arranged oppositely. The two ends of the spring 62 are respectively connected to the connecting plate 61 and the front top block 2. The connecting plate 61 and the front top block 2 are slidably connected. Before pressing, the grooved paper 9 bent on the left and right sides is placed in the middle placement groove 60. During the process of the front top block 2 moving backward, the guide plate 6 first contacts the side top block 3 and then stops moving. Then the front top block 2 continues to move backward. At this time, the spring 62 is compressed. After the front top block 2 finishes pressing, the side top block 3 contacts the part of the grooved paper 9 extending out of the placement groove 60 and continues to bend the grooved paper 9. Then, the left and right sides of the grooved paper 9 are pressed. The principle is as described before.

[0041] Among them, the placement groove 60 functions to limit the grooved paper 9 bent on the left and right sides.

[0042] Further, it also includes a guide block 5. The guide block 5 is located above the fixed mold 1. The guide block 5 is formed with a guide hole 51. The guide hole 51 is located above the fixed mold 1. The pressed grooved paper 9 is pushed upward. The grooved paper 9 passes upward through the guide hole 51 and enters the stator winding slot. The guide hole 51 is used to limit the shape of the grooved paper 9 after pressing to prevent the grooved paper 9 from rebounding and unfolding before entering the stator winding slot.

[0043] Further, it also includes a ejector rod 8. First ejector grooves 17 are formed on the left and right sides of the fixed mold 1. Second ejector grooves 33 are formed on the side of the top block 3 close to the fixed mold 1. The ejector rod 8 is located between the first ejector groove 17 and the second ejector groove 33. The ejector rod 8 moves in the up and down direction relative to the fixed mold 1. After pressing is completed, the ejector rod 8 contacts the bottom end of the grooved paper 9. The ejector rod 8 moves upward to push the grooved paper 9 into the stator winding slot and then moves downward to reset.

[0044] Further, it also includes a frame 7. The fixed mold 1 is fixedly connected to the frame 7. The front top block 2, the top block 3 and the rear top block 4 are respectively slidably connected to the frame 7 and are driven by their respective driving devices. Preferably, the driving device is a cylinder or an electric push rod.

[0045] It should be noted that after pushing the previous grooved paper 9 into the stator winding slot, the pressing operation of the next grooved paper 9 is carried out. In this way, the grooved paper 9 is processed in a reciprocating cycle.

[0046] The above illustrates the present invention by way of example, but the present invention is not limited to the above specific embodiments. Any modification or variation based on the present invention falls within the scope of protection required by the present invention.

Claims

1. The grooved paper shaping mechanism of the grooved paper machine is characterized by: include: A fixed mold (1), a front top block (2) and a side top block (3), wherein the front top block (2) is located at the front side of the fixed mold (1), a front groove (12) is formed at the front side of the fixed mold (1), a front top block protrusion (22) adapted to the front groove (12) is formed on the front top block (2), and the front top block (2) moves in the front and rear directions relative to the fixed mold (1).

2. The grooved paper shaping mechanism of the grooved paper machine according to claim 1, characterized in that: It also comprises side top blocks (3), wherein two side top blocks (3) are respectively located on the left and right sides of the fixed mold (1), and side grooves (13) are respectively formed on the left and right sides of the fixed mold (1), and a side top block protrusion (31) adapted to the side groove (13) is formed on the side of the side top block (3) close to the fixed mold (1), and the side top block (3) moves in the left and right directions relative to the fixed mold (1).

3. The grooved paper shaping mechanism of the grooved paper machine according to claim 2, characterized in that: The fixed mold (1) is formed with a front protrusion (11) on the front side, and the front top block (2) is formed with a front top block groove (21) adapted to the front protrusion (11); the fixed mold (1) is formed with side protrusions (14) on the left and right sides respectively, and the side top block (3) is formed with side top block grooves (32) adapted to the side protrusions (14); The front protrusions (11) and the front grooves (12) are arranged in a staggered manner, and the side grooves (13) and the side protrusions (14) are arranged in a staggered manner.

4. The grooved paper shaping mechanism of the grooved paper machine according to claim 1, characterized in that: The invention also comprises a rear top block (4), the rear top block (4) being located at the rear side of the fixed mold (1), the rear side of the fixed mold (1) being formed with a rear groove (10), the rear top block (4) being formed with a rear top block protrusion (41), the rear top block protrusion (41) being matched with the rear groove (10), and the rear top block (4) being movable in the front-rear direction relative to the fixed mold (1).

5. The grooved paper shaping mechanism of the grooved paper machine according to claim 4, characterized in that: The inner walls on both sides of the rear groove (10) include a first vertical surface (15) and a second vertical surface (16), the first vertical surface (15) and the second vertical surface (16) intersect, and the first vertical surface (15) is inclined outwardly on a side away from the second vertical surface (16).

6. The grooved paper shaping mechanism of the grooved paper machine according to claim 4, characterized in that: The front top block (2) is formed with front saw teeth (23), the side top block (3) is formed with side saw teeth (34), and the rear top block (4) is formed with rear saw teeth (42), and the side saw teeth (34) are respectively matched with the front saw teeth (23) and the rear saw teeth (42).

7. The grooved paper shaping mechanism of the grooved paper machine according to claim 1, characterized in that: It also includes a guide plate (6), a connecting plate (61) and a spring (62), the two guide plates (6) are respectively located on the left and right sides of the front top block (2), the two guide plates (6) are respectively fixedly connected to the connecting plates (61), a placement groove (60) is formed between the guide plate (6) and the connecting plate (61), the two placement grooves (60) are arranged opposite to each other, the two ends of the spring (62) are respectively connected to the connecting plate (61) and the front top block (2), and the connecting plate (61) and the front top block (2) are slidably connected.

8. The grooved paper shaping mechanism of the grooved paper machine according to claim 1, characterized in that: It also comprises a guide block (5), the guide block (5) is located above the fixed mold (1), the guide block (5) is formed with a guide hole (51), and the guide hole (51) is located above the fixed mold (1).

9. The grooved paper shaping mechanism of the grooved paper machine according to claim 1, characterized in that: The invention also comprises a push rod (8), wherein the fixed mold (1) is provided with first ejection grooves (17) on the left and right sides, and the ejection block (3) is provided with a second ejection groove (33) on the side close to the fixed mold (1), and the push rod (8) is located between the first ejection groove (17) and the second ejection groove (33), and the push rod (8) moves in the up and down direction relative to the fixed mold (1).

10. The grooved paper shaping mechanism of the grooved paper machine according to claim 4, characterized in that: It also comprises a frame (7), the fixed mold (1) is fixedly connected to the frame (7), and the front top block (2), the top block (3) and the rear top block (4) are respectively slidably connected to the frame (7) and driven by their respective corresponding driving devices.

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