Hydroelectric generator stator bar mould pressing equipment

Abstract

The invention relates to the technical field of electromagnetic wire machining and forming of large and medium-sized generators, and discloses hydraulic generator stator bar mold pressing equipment which comprises a base. The supporting legs are uniformly arranged on the bottom surface of the base; the die holder is arranged above the base; the electro-hydraulic valve and the confluence plate are arranged on the hydraulic pipeline on the right side of the base; the bottom end of the die holder is connected with the base through a moving mechanism; an adjusting mechanism is arranged in the die holder; the die holder comprises a shell, and the adjusting mechanism is arranged in the left end of the shell. The gear and the rack are additionally arranged on the die holder, the die holder adjusting time is short, the wire production efficiency is improved, the labor intensity is reduced, the relative positions of the upper pressing head and the side pressing head during working can be adjusted according to the pressure centers of side pressing of different wire bars, the wire bars are evenly stressed during pressing, the size precision of products is improved, and the production efficiency is improved. By adding the confluence block on the hydraulic pipeline, the layout of the hydraulic pipeline is simple, and the pipeline is convenient to disassemble and assemble during product adjustment and maintenance and is not easy to make mistakes.

Description

Technical Field

[0001] The invention relates to the technical field of processing and forming electromagnetic wires of large and medium-sized generators, in particular to stator wire rod molding equipment for hydraulic generators. Background Art

[0002] At present, domestic stator bar molding equipment is all single-process equipment processing, and then moved to the next process by manual (or overhead crane) for processing; However, there are still the following disadvantages: 1. According to the size of the processed wire rod, the distance between the equipment die bases needs to be adjusted frequently. The adjustment of the distance is done manually and by overhead cranes, which is cumbersome and time-consuming.

[0003] 2. The pressure center of the side pressure cannot be adjusted, the force is uneven when pressing different wire rods, and the product size deviation is large.

[0004] Therefore, a hydraulic generator stator bar molding device is proposed to solve the above-mentioned problems. Summary of the invention

[0005] The purpose of the present invention is to provide a hydraulic generator stator bar molding device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solutions: a hydraulic generator stator wire bar molding device, comprising a base; Support feet evenly arranged on the bottom surface of the base; A mold base disposed above the base; and an electro-hydraulic valve and a manifold disposed on the hydraulic pipeline on the right side of the base; The bottom end of the mold base is connected to the base through a moving mechanism; an adjusting mechanism is provided inside the mold base; The mold base includes a shell, and the adjustment mechanism is arranged inside the left end of the shell; The moving mechanism is arranged inside the bottom end of the shell, the front and rear sides of the shell are both equipped with guide plates, and the middle part of the shell is provided with a molded groove.

[0007] Preferably, the moving mechanism includes two sliding plates, and the two sliding plates are fixedly arranged on the top surface of the base symmetrically on the left and right. A mounting groove is provided on the inner top surface of the sliding plate, and a rack is fixedly arranged inside the mounting groove. A clamping groove is provided on the outer top surface of the sliding plate, and the inner side surface of the bottom end of the shell is clamped and slidably arranged with the inner wall of the clamping groove.

[0008] Preferably, a rotating rod is provided on the left and right sides of the bottom end of the shell, and the left and right ends of the rotating rod are rotatably connected to the inner wall of the shell through a bearing seat. A gear is fixed on the surface of the rotating rod, and the gear surface is meshed with the corresponding rack top surface.

[0009] Preferably, a rotating base is hinged at the top right end of the shell, an upper pressure cylinder is arranged below the rotating base, the top end of the upper pressure cylinder output rod is hingedly connected to the bottom end of the rotating base, the surface of the upper pressure cylinder is hingedly connected to the surface of the shell, the rotating base slides left and right with an upper pressure movable arm passing through it, a force plate is fixedly arranged on the outer end surface of the upper pressure movable arm, and a cylinder is fixedly arranged on the top surface of the rotating base.

[0010] Preferably, the cylinder output rod is fixedly connected to the side of the force-bearing plate, an upper pressure head is arranged below the upper pressure movable arm, an upper pressure screw rod is penetrated by upper and lower threads at the inner end of the upper pressure movable arm, and the bottom end of the upper pressure screw rod is connected to the upper pressure head through a second bearing seat.

[0011] Preferably, the adjusting mechanism comprises two connecting plates which are vertically symmetrically arranged on the left and right, the side surfaces of the two connecting plates are fixedly connected to the inner wall of the shell, a guide column is fixedly arranged between the two connecting plates, an adjusting screw is horizontally arranged on the rear side of the guide column, the inner end of the adjusting screw is connected to the side surface of the inner connecting plate through a bearing seat three, the outer end of the adjusting screw passes through the outer connecting plate and the shell in turn and extends to the outside of the shell, a movable nut is sleeved on the surface of the adjusting screw and the guide column, and the inner wall of the movable nut is threadedly connected to the inner wall of the adjusting screw.

[0012] Preferably, the adjusting mechanism also includes a side pressure cylinder, which is horizontally arranged above the adjusting screw rod, and the side surface of the side pressure cylinder is slidably connected to the inner wall of the shell body up and down, and a cylinder seat is fixedly arranged at the bottom end of the side pressure cylinder, and a connecting rod is obliquely arranged between the cylinder seat and the movable nut, and the two ends of the connecting rod are respectively hinged to the bottom surface of the cylinder seat and the top surface of the movable nut, and a molded groove is provided inside.

[0013] Preferably, a movable through slot is vertically penetrated through the inner wall of the molded groove corresponding to the position of the side pressure head, and the output rod of the side pressure cylinder passes through the movable through slot and is fixedly connected to the side surface of the side pressure head.

[0014] Compared with the prior art, the invention has the following beneficial effects: the hydraulic generator stator wire rod molding equipment, 1) By adding gear racks to the die base, the die base adjustment time is shortened, the production efficiency of the line is improved, and the labor intensity is reduced; 2) By adjusting the relative positions of the upper pressure head and the side pressure head during operation according to the pressure center of the side pressure of different wire rods, the wire rods are subjected to uniform force during pressing, thereby improving the dimensional accuracy of the product; 3) By adding a manifold block to the hydraulic pipeline, the layout of the hydraulic pipeline is simple, and it is convenient to disassemble and assemble the pipeline during product adjustment and maintenance, which is less prone to errors. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1It is a front perspective schematic diagram of the overall structure of the present invention; Figure 2 It is a left-side stereoscopic schematic diagram of the overall structure of the present invention; Figure 3 It is a three-dimensional schematic diagram of the local structure of the present invention; Figure 4 It is a three-dimensional cross-sectional view of the local structure of the present invention; Figure 5 It is a three-dimensional schematic diagram of the mold base structure of the present invention; Figure 6 It is a three-dimensional exploded schematic diagram of the mold base structure of the present invention.

[0016] In the figure: 1 base, 2 mold base, 21 shell, 211 movable through groove, 22 rotating base, 23 upper pressure cylinder, 24 upper pressure movable arm, 241 upper pressure head, 242 upper pressure screw, 25 cylinder, 26 force plate, 27 side pressure cylinder, 271 side pressure head, 28 adjustment mechanism, 281 connecting plate, 282 adjustment screw, 283 movable nut, 284 connecting rod, 3 moving mechanism, 31 sliding plate, 32 rack, 33 rotating rod, 34 gear, 4 protective cover, 5 electro-hydraulic valve, 6 manifold. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Example

[0018] See also Figure 1-Figure 6 , the present invention provides a technical solution: a hydraulic generator stator wire rod molding device, comprising a base 1; Support feet evenly arranged on the bottom surface of the base 1; A mold base 2 is arranged above the base 1; and an electro-hydraulic valve 5 and a manifold 6 arranged on the hydraulic pipeline on the right side of the base 1; The bottom end of the mold base 2 is connected to the base 1 through a moving mechanism 3; an adjusting mechanism 28 is provided inside the mold base 2; The mold base 2 includes a housing 21, and an adjustment mechanism 28 is arranged inside the left end of the housing 21; The moving mechanism 3 is arranged inside the bottom end of the housing 21, the front and rear sides of the housing 21 are both equipped with guide plates, and the middle part of the housing 21 is provided with a molded groove; The moving mechanism 3 includes two sliding plates 31, which are respectively fixedly arranged on the top surface of the base 1 symmetrically on the left and right sides. A mounting groove is provided on the inner top surface of the sliding plate 31, and a rack 32 is fixedly arranged inside the mounting groove. A clamping groove is provided on the outer top surface of the sliding plate 31. The inner side surface of the bottom end of the shell 21 is clamped and slidably arranged with the inner wall of the clamping groove. A rotating rod 33 is penetrated on the left and right sides of the bottom end of the shell 21. The left and right ends of the rotating rod 33 are rotatably connected to the inner wall of the shell 21 through a bearing seat. A gear 34 is fixedly sleeved on the surface of the rotating rod 33, and the surface of the gear 34 is meshed and connected with the corresponding top surface of the rack 32; Furthermore, in this embodiment, two gears 34 are installed on the mold base 2, and the gears 34 are connected by a rotating rod 33 and can rotate simultaneously. The rack 32 is set on the base 1; after the mold base 2 is installed on the base 1, the gears 34 and the rack 32 form a matching constraint. When the rotating rod 33 is rotated, the mold base 2 moves along the rotation direction and can be quickly moved to the specified position; Furthermore, this embodiment has the characteristics of simple operation, labor saving, convenience and speed; Example

[0019] See also Figure 1-Figure 6 , and on the basis of the first embodiment, it is further obtained that: a rotating base 22 is hingedly connected to the top of the right end of the shell 21, an upper pressure cylinder 23 is arranged below the rotating base 22, the top of the output rod of the upper pressure cylinder 23 is hingedly connected to the bottom of the rotating base 22, the surface of the upper pressure cylinder 23 is hingedly connected to the surface of the shell 21, the rotating base 22 slides left and right and penetrates an upper pressure moving arm 24, the outer end surface of the upper pressure moving arm 24 is fixedly provided with a force plate 26, and the top surface of the rotating base 22 is fixedly provided with a cylinder 25; The output rod of the cylinder 25 is fixedly connected to the side of the force plate 26, and an upper pressure head 241 is arranged below the upper pressure movable arm 24. The upper pressure screw rod 242 is arranged through the upper and lower threads at the inner end of the upper pressure movable arm 24, and the bottom end of the upper pressure screw rod 242 is connected to the upper pressure head 241 through the second bearing seat; The adjustment mechanism 28 includes two connecting plates 281 that are vertically symmetrically arranged on the left and right. The sides of the two connecting plates 281 are fixedly connected to the inner wall of the housing 21. A guide column is fixedly arranged between the two connecting plates 281. An adjusting screw rod 282 is horizontally arranged on the rear side of the guide column. The inner end of the adjusting screw rod 282 is connected to the side of the inner connecting plate 281 through a bearing seat 3. The outer end of the adjusting screw rod 282 sequentially penetrates the outer connecting plate 281 and the housing 21 and extends to the outside of the housing 21. A movable nut 283 is sleeved on the surface of the adjusting screw rod 282 and the guide column. The inner wall of the movable nut 283 is threadedly connected to the inner wall of the adjusting screw rod 282. The adjusting mechanism 28 also includes a side pressure cylinder 27, which is horizontally arranged above the adjusting screw rod 282. The side of the side pressure cylinder 27 is slidably connected to the inner wall of the shell 21 up and down. A cylinder seat is fixedly arranged at the bottom of the side pressure cylinder 27, and a connecting rod 284 is obliquely arranged between the cylinder seat and the movable nut 283. The two ends of the connecting rod 284 are respectively hinged to the bottom surface of the cylinder seat and the top surface of the movable nut 283. 271 is arranged inside the molded groove, and a movable through groove 211 is vertically penetrated through the inner wall of the molded groove corresponding to the position of the side pressure head 271. The output rod of the side pressure cylinder 27 passes through the movable through groove 211 and is fixedly connected to the side of the side pressure head 271.

[0020] Furthermore, in this embodiment, the connecting plate 281 is fixed on the mold base and carries all the components of the adjusting mechanism 28. The adjusting mechanism 281 is connected together by an adjusting screw 282 and a guide column, and a moving nut 283 is installed on the adjusting screw 282 and the guide column; when the adjusting screw 282 rotates, the moving nut 283 moves along the direction of the adjusting screw 282, and drives the connecting rod 284 to change the position of the cylinder seat direction, thereby realizing the adjustment of the up and down movement of the side pressure cylinder 27.

[0021] When in use, by adding gear racks to the die base, the time for adjusting the die base is shortened, the line production efficiency is improved, and the labor intensity is reduced. The relative positions of the upper pressure head 241 and the side pressure head 271 during operation can be adjusted according to the pressure center of the side pressure of different wire rods, so that the wire rods are evenly stressed during pressing, and the dimensional accuracy of the product is improved. By adding a junction block 6 to the hydraulic pipeline, the layout of the hydraulic pipeline is simple, and it is convenient to disassemble and assemble the pipeline when adjusting the product and repairing it, which is not easy to make mistakes.

[0022] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hydraulic generator stator bar molding device, comprising a base (1); Support feet evenly arranged on the bottom surface of the base (1); A mold base (2) arranged above the base (1); and an electro-hydraulic valve (5) and a manifold (6) arranged on the hydraulic pipeline on the right side of the base (1); Features: The bottom end of the mold base (2) is connected to the base (1) via a moving mechanism (3); an adjustment mechanism (28) is provided inside the mold base (2); The mold base (2) comprises a shell (21), and the adjustment mechanism (28) is arranged inside the left end of the shell (21); The moving mechanism (3) is arranged inside the bottom end of the shell (21), flow guide plates are installed on the front and rear sides of the shell (21), and a molded groove is arranged in the middle of the shell (21).

2. The hydraulic generator stator bar molding equipment according to claim 1 is characterized in that: The moving mechanism (3) comprises two sliding plates (31), the two sliding plates (31) being fixedly arranged on the top surface of the base (1) in a left-right symmetrical manner, the inner top surface of the sliding plate (31) being provided with a mounting groove, a rack (32) being fixedly arranged inside the mounting groove, the outer top surface of the sliding plate (31) being provided with a clamping groove, the inner side surface of the bottom end of the housing (21) being clamped and slidably arranged with the inner wall of the clamping groove.

3. The hydraulic generator stator wire rod molding equipment according to claim 1 is characterized in that: A rotating rod (33) is provided through the bottom of the housing (21) on the left and right sides. The left and right ends of the rotating rod (33) are rotatably connected to the inner wall of the housing (21) through a bearing seat. A gear (34) is fixedly sleeved on the surface of the rotating rod (33). The surface of the gear (34) is meshed with the top surface of the corresponding rack (32).

4. The hydraulic generator stator bar molding equipment according to claim 1, characterized in that: A rotating base (22) is hingedly connected to the top of the right end of the shell (21), and an upward pressure cylinder (23) is arranged below the rotating base (22). The top end of the output rod of the upward pressure cylinder (23) is hingedly connected to the bottom end of the rotating base (22), and the surface of the upward pressure cylinder (23) is hingedly connected to the surface of the shell (21). The rotating base (22) is slidably penetrated by an upward pressure movable arm (24), and a force plate (26) is fixedly arranged on the outer end surface of the upward pressure movable arm (24). A cylinder (25) is fixedly arranged on the top surface of the rotating base (22).

5. The hydraulic generator stator wire rod molding equipment according to claim 4 is characterized in that: The output rod of the cylinder (25) is fixedly connected to the side of the force-bearing plate (26); an upper pressure head (241) is arranged below the upper pressure movable arm (24); an upper pressure screw rod (242) is arranged through the upper and lower threads at the inner end of the upper pressure movable arm (24); and the bottom end of the upper pressure screw rod (242) is connected to the upper pressure head (241) via a second bearing seat.

6. The hydraulic generator stator bar molding equipment according to claim 1, characterized in that: The adjustment mechanism (28) comprises two connecting plates (281) arranged vertically symmetrically on the left and right, the sides of the two connecting plates (281) are fixedly connected to the inner wall of the shell (21), a guide column is fixedly arranged between the two connecting plates (281), and an adjustment screw (282) is horizontally arranged on the rear side of the guide column, the inner end of the adjustment screw (282) is connected to the side of the inner connecting plate (281) through a bearing seat three, and the outer end of the adjustment screw (282) passes through the outer connecting plate (281) and the shell (21) in sequence and extends to the outside of the shell (21), and a movable nut (283) is sleeved on the surface of the adjustment screw (282) and the guide column, and the inner wall of the movable nut (283) is threadedly connected to the inner wall of the adjustment screw (282).

7. The hydraulic generator stator wire rod molding equipment according to claim 6, characterized in that: The adjustment mechanism (28) further comprises a side pressure cylinder (27), wherein the side pressure cylinder (27) is horizontally arranged above the adjustment screw rod (282), and the side surface of the side pressure cylinder (27) is slidably connected to the inner wall of the housing (21) in an up-and-down manner. A cylinder seat is fixedly arranged at the bottom end of the side pressure cylinder (27), and a connecting rod (284) is obliquely arranged between the cylinder seat and the movable nut (283). The two ends of the connecting rod (284) are respectively hinged to the bottom surface of the cylinder seat and the top surface of the movable nut (283), and a (271) is arranged inside the molded groove.

8. The hydraulic generator stator wire rod molding equipment according to claim 7, characterized in that: A movable through slot (211) is vertically penetrated through the inner wall of the molded groove at a position corresponding to the side pressure head (271), and an output rod of the side pressure oil cylinder (27) penetrates the movable through slot (211) and is fixedly connected to the side of the side pressure head (271).

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