Precise machined part preforming pressurizing device

Abstract

The utility model relates to the field of machining part forming, and discloses a precision machining part preforming pressurizing device which comprises a machining table, a plurality of supporting rods are fixedly connected to the upper end of the machining table, a top plate is fixedly connected to the upper ends of the supporting rods, a pressing plate is arranged at the upper end of the machining table, and a plate body of the pressing plate is slidably connected with the supporting rods; a hydraulic cylinder is fixedly connected to the upper end of the top plate, the lower end of the hydraulic cylinder is fixedly connected with the pressing plate, two clamping plates are arranged at the upper end of the machining table, and two clamping assemblies are arranged on plate bodies of the clamping plates. According to the machining table, under the action of the rotating assembly, through cooperation of the two-way lead screw, the threaded sleeve and the rotating rod, the connecting rod can push the clamping plate to move, a mold on the machining table is clamped and fixed, the fixing effect on the mold is improved through the clamping assembly, and the situation that when a machined part is formed through the mold, the mold deviates, and the machining effect is affected is prevented.

Description

Technical Field

[0001] The present application relates to the field of workpiece forming, and in particular to a precision workpiece preforming pressurizing device. Background Art

[0002] When machining precision machined parts, raw materials or blanks need to be processed into intermediate or semi-finished products that are close to the shape of the final product. During the preforming process, molds are needed, which can be used as forming tools for the machined parts. During machining, a pressurizing device is needed to pressurize the mold. The pressurizing device generates or maintains pressure by applying external force, etc., so as to achieve pressurization of the target object.

[0003] When the existing workpiece forming pressurizing device uses a mold to form the workpiece, most of them are not convenient for fixing the mold, which easily causes the mold to deviate during pressurization, affecting the processing effect of the workpiece.

[0004] The above information disclosed in the background technology is only used to increase the understanding of the background technology of the present application, and therefore, it may include information that does not constitute the prior art known to ordinary technicians in the field. Utility Model Content

[0005] In order to solve the problem that the mold is easily offset when the workpiece is being formed, the present application provides a pre-forming pressurizing device for precision machined parts.

[0006] The present application provides a precision machined parts preforming pressurizing device adopts the following technical solution:

[0007] A preforming pressurizing device for precision machined parts comprises a processing table, the upper end of the processing table is fixedly connected to a plurality of support rods, the upper ends of the support rods are fixedly connected to a top plate, a pressure plate is provided at the upper end of the processing table, the plate body of the pressure plate is slidably connected to the plurality of support rods, the upper end of the top plate is fixedly connected to a hydraulic cylinder, the lower end of the hydraulic cylinder is fixedly connected to the pressure plate, two clamping plates are provided at the upper end of the processing table, the plate body of the clamping plate is provided with two clamping assemblies, two mounting grooves are provided on the upper surface of the processing table, a bidirectional screw rod is rotatably connected to the inner wall of the mounting groove, the rod body of the bidirectional screw rod is sleeved with two screw sleeves, the inner wall of the mounting groove is provided with a rotating assembly, the upper end of the screw sleeve is fixedly connected to a rotating rod, the upper end of the rotating rod is rotatably connected to a connecting rod, and the plate body of the clamping plate is hingedly connected to the two connecting rods.

[0008] Preferably, the clamping assembly includes a clamping plate, a fixed plate, a screw and a spring, the body of the clamping plate is fixedly connected to two fixed plates, the body of the fixed plate is slidingly connected to the screw via a thread, one side of the screw is rotatably connected to the clamping plate, and both sides of the spring are fixedly connected to the clamping plate and the fixed plate.

[0009] Preferably, the rotating assembly includes a bevel gear, a servo motor and a meshing gear, the inner wall of the mounting groove is rotatably connected to the bevel gear, the outer walls of the processing table are fixedly connected to two servo motors, the output end of the servo motor is fixedly connected to the bevel gear, the rod body of the bidirectional screw is fixedly connected to the meshing gear, and the meshing gear and the bevel gear are meshed with each other.

[0010] Preferably, the plate body of the fixed plate is slidably connected to two sliding rods, and one side of the sliding rod is fixedly connected to the clamping plate.

[0011] Preferably, two limit sleeves are fixedly connected to the upper end of the processing table, the inner wall of the limit sleeve is slidably connected to the limit rod, and one side of the limit rod is fixedly connected to the clamping plate.

[0012] In summary, this application includes the following beneficial technical effects:

[0013] 1. The workpiece can be pressurized by the processing table and the pressure plate. Under the action of the rotating assembly, the connecting rod can push the clamping plate to move through the cooperation of the bidirectional screw, the screw sleeve and the rotating rod, so as to clamp and fix the mold on the processing table, and improve the fixing effect of the mold through the clamping assembly to prevent the mold from offsetting when the workpiece is formed using the mold, thereby affecting the processing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the embodiment of the application;

[0015] Figure 2 is a schematic diagram of the structure of a processing table according to an embodiment of the application;

[0016] Figure 3 is a schematic structural diagram of a rotating assembly of an embodiment of the application;

[0017] Figure 4 It is a schematic diagram of the structure of the clamping assembly of the embodiment of the application.

[0018] Explanation of the reference numerals in the accompanying drawings: 1. Processing table; 2. Support rod; 3. Top plate; 4. Pressure plate; 5. Hydraulic cylinder; 6. Bidirectional lead screw; 7. Screw sleeve; 8. Bevel gear; 9. Servo motor; 10. Meshing gear; 11. Rotating rod; 12. Connecting rod; 13. Clamp; 14. Clamp plate; 15. Fixed plate; 16. Screw; 17. Spring; 18. Sliding rod; 19. Limit sleeve; 20. Limit rod. DETAILED DESCRIPTION

[0019] The following is combined with Figure 1-4 This application is described in further detail.

[0020] The present application discloses a precision machined part preforming pressurizing device, referring to Figure 1, including a processing table 1, on which a lower mold can be placed, the upper end of the processing table 1 is fixedly connected with a plurality of support rods 2, the upper ends of the support rods 2 are fixedly connected with a top plate 3, a pressing plate 4 is arranged at the upper end of the processing table 1, the lower end of the pressing plate 4 can fix the upper mold, the plate body of the pressing plate 4 is slidably connected with the plurality of support rods 2, the upper end of the top plate 3 is fixedly connected with a hydraulic cylinder 5, which can drive the pressing plate 4 to move up and down, the lower end of the hydraulic cylinder 5 is fixedly connected with the pressing plate 4, the upper end of the processing table 1 is provided with two clamping plates 13, which can clamp and fix the lower mold, and the plate body of the clamping plate 13 is provided with two clamping components, which can improve the fixing effect of the lower mold;

[0021] Specifically, refer to Figure 4 The clamping assembly includes a clamping plate 14, a fixing plate 15, a screw 16 and a spring 17. The body of the clamping plate 13 is fixedly connected to the two fixing plates 15. The body of the fixing plate 15 is slidingly connected to the screw 16 through a thread. One side of the screw 16 is rotatably connected to the clamping plate 14. Both sides of the spring 17 are fixedly connected to the clamping plate 14 and the fixing plate 15. The screw 16 can adjust the position of the clamping plate 14 so that the clamping plate 14 can clamp the surface of the lower mold, thereby improving the fixing effect of the lower mold.

[0022] The upper surface of the processing table 1 is provided with two mounting grooves, the inner wall of the mounting groove is rotatably connected with a bidirectional screw rod 6, the rod body of the bidirectional screw rod 6 is sleeved with two screw sleeves 7, and the inner wall of the mounting groove is provided with a rotating assembly, which can drive the bidirectional screw rod 6 to rotate;

[0023] Specifically, refer to Figure 3 The rotating assembly includes a bevel gear 8, a servo motor 9 and a meshing gear 10. The inner wall of the mounting groove is rotatably connected to the bevel gear 8. The outer wall of the processing table 1 is fixedly connected to the two servo motors 9. The output end of the servo motor 9 is fixedly connected to the bevel gear 8. The rod body of the bidirectional screw rod 6 is fixedly connected to the meshing gear 10. The meshing gear 10 and the bevel gear 8 are meshed with each other. The servo motor 9 can drive the bevel gear 8 to rotate. The rotation of the bevel gear 8 can drive the meshing gear 10 to rotate, thereby driving the bidirectional screw rod 6 to rotate.

[0024] The upper end of the screw sleeve 7 is fixedly connected to a rotating rod 11 to support the connecting rod 12 . The upper end of the rotating rod 11 is rotatably connected to the connecting rod 12 . The plate body of the clamping plate 13 is hingedly connected to the two connecting rods 12 .

[0025] Reference Figure 4 The body of the fixed plate 15 is slidably connected to two slide bars 18 , which can support and limit the card plate 14 when it moves, and one side of the slide bar 18 is fixedly connected to the card plate 14 .

[0026] Reference Figure 3Two limit sleeves 19 are fixedly connected to the upper end of the processing table 1, and the inner wall of the limit sleeve 19 is slidably connected to the limit rod 20. One side of the limit rod 20 is fixedly connected to the clamping plate 13. The limit sleeve 19 and the limit rod 20 can support and limit the clamping plate 13 when it moves.

[0027] The implementation principle of a precision machined part preforming pressurizing device according to an embodiment of the present application is as follows: when in use, the upper mold of the mold is installed on the lower surface of the pressing plate 4, and the lower mold is placed on the surface of the processing table 1. The bevel gear 8 is driven to rotate by the servo motor 9, and the bevel gear 8 is meshed with the meshing gear 10, thereby driving the bidirectional screw rod 6 to rotate through the meshing gear 10, so that the two screw sleeves 7 on the rod body of the bidirectional screw rod 6 can move in opposite directions, so that the rotating rod 11 can drive the clamping plate 13 to move through the connecting rod 12, and the position of the clamping plate 14 is adjusted by rotating the screw 16, so that the clamping plate 14 and the clamping plate 13 can clamp and fix the lower mold. Under the action of the hydraulic cylinder 5, the pressing plate 4 can be driven to move downward, so that the upper mold can pressurize the lower mold to preform the workpiece.

[0028] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0029] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0030] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

[0031] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A precision machined part preforming pressurizing device, comprising a processing table (1), characterized in that: The upper end of the processing table (1) is fixedly connected to a plurality of support rods (2), the upper ends of the support rods (2) are fixedly connected to a top plate (3), the upper end of the processing table (1) is provided with a pressing plate (4), the plate body of the pressing plate (4) is slidably connected to the plurality of support rods (2), the upper end of the top plate (3) is fixedly connected to a hydraulic cylinder (5), the lower end of the hydraulic cylinder (5) is fixedly connected to the pressing plate (4), the upper end of the processing table (1) is provided with two clamping plates (13), the plate body of the clamping plate (13) Two clamping assemblies are provided, the upper surface of the processing table (1) is provided with two installation grooves, the inner wall of the installation groove is rotatably connected with a bidirectional screw rod (6), the rod body of the bidirectional screw rod (6) is sleeved with two screw sleeves (7), the inner wall of the installation groove is provided with a rotating assembly, the upper end of the screw sleeve (7) is fixedly connected with a rotating rod (11), the upper end of the rotating rod (11) is rotatably connected with a connecting rod (12), and the plate body of the clamping plate (13) is hingedly connected to the two connecting rods (12).

2. A precision machined part preforming pressurizing device according to claim 1, characterized in that: The clamping assembly comprises a clamping plate (14), a fixing plate (15), a screw (16) and a spring (17); the body of the clamping plate (13) is fixedly connected to the two fixing plates (15); the body of the fixing plate (15) is slidably connected to the screw (16) via a thread; one side of the screw (16) is rotatably connected to the clamping plate (14); and both sides of the spring (17) are fixedly connected to the clamping plate (14) and the fixing plate (15).

3. A precision machined part preforming pressurizing device according to claim 1, characterized in that: The rotating assembly comprises a bevel gear (8), a servo motor (9) and a meshing gear (10); the inner wall of the mounting groove is rotatably connected to the bevel gear (8); the outer wall of the processing table (1) is fixedly connected to the two servo motors (9); the output end of the servo motor (9) is fixedly connected to the bevel gear (8); the rod body of the bidirectional screw rod (6) is fixedly connected to the meshing gear (10); and the meshing gear (10) and the bevel gear (8) are meshed with each other.

4. A precision machined part preforming pressurizing device according to claim 2, characterized in that: The body of the fixed plate (15) is slidably connected to two sliding rods (18), and one side of the sliding rod (18) is fixedly connected to the clamping plate (14).

5. The precision machined parts preforming pressurizing device according to claim 1, characterized in that: Two limit sleeves (19) are fixedly connected to the upper end of the processing table (1), the inner wall of the limit sleeve (19) is slidably connected to a limit rod (20), and one side of the limit rod (20) is fixedly connected to the clamping plate (13).

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