Non-standard part clamping device for spraying production of centrifugal pump

Abstract

The utility model discloses a non-standard part clamping device for spraying production of a centrifugal pump, which relates to the technical field of non-standard part clamping devices of centrifugal pumps, and comprises a machine shell and further comprises clamping rotating mechanisms symmetrically arranged on the machine shell, and each clamping rotating mechanism comprises a clamping rotating drum rotationally arranged in a movable frame. When the two movable frames get close to each other, the clamping rotating cylinder can clamp the outer circle face of the non-standard workpiece and drive the non-standard workpiece to rotate, a round hole is formed in the position, under the non-standard workpiece, in the middle of the machine shell, and anti-disengaging mechanisms used for preventing the non-standard workpiece from disengaging in the rotating process are symmetrically arranged on the side portion of the clamping rotating mechanism. According to the non-standard part clamping device for spraying production of the centrifugal pump, the rotating disc and the four brackets used for lifting the non-standard workpieces are arranged, one-by-one feeding operation on the four non-standard workpieces can be achieved at a time, and automatic clamping and rotating operation can be conducted on the outer circles of the non-standard workpieces through the clamping and rotating mechanism.

Description

Technical Field

[0001] This utility model relates to the technical field of clamping devices for non-standard parts of centrifugal pumps, specifically a clamping device for non-standard parts used in centrifugal pump spraying production. Background Technology

[0002] A flow guide sleeve in a centrifugal pump is a component installed between the impeller and the pump casing. Its main function is to guide fluid flow, reduce fluid circulation and eddies between the impeller and casing, thereby improving pump efficiency. The primary function of the flow guide sleeve is to guide the fluid to flow evenly into the impeller, preventing lateral flow and stabilizing the flow field. For example, in series-parallel centrifugal pumps, flow guide vanes are installed on the suction chamber end and the impeller inlet ring to ensure that the fluid can smoothly enter the impeller. The flow guide sleeve protects the impeller and pump casing from direct fluid impact, reducing wear.

[0003] The guide sleeve is a cylindrical component whose inner diameter matches the outer diameter of the impeller, and whose outer diameter matches the inner diameter of the pump casing. For example, in a multistage centrifugal pump, a guide cylinder is fitted around the outer side of the guide sleeve; both the guide component and the guide cylinder are integrally stamped. The upper outer surface of the guide sleeve is designed with special guiding structures, such as irregular guide plates or guide vane protrusions, to further optimize fluid flow.

[0004] In the actual production process of spraying the outer surface of the guide sleeve, because the guide sleeve has a hollow cylindrical structure and multiple annular arrays of guide plates on its upper surface, conventional spraying production requires at least two clamping operations to clamp the non-standard guide sleeve and meet the one-time spraying operation of its upper, lower, and inner surfaces. In addition, the clamping process is inefficient, requiring employees to place the non-standard guide sleeve on the clamping station, spray it once, and then turn it around and clamp it again. In mass production, the labor intensity is high and the efficiency is low, making it difficult to meet the processing needs of enterprises for automated, large-scale, and continuous production operations. Utility Model Content

[0005] The purpose of this utility model is to address the above-mentioned problems by providing a non-standard parts clamping device for centrifugal pump spraying production. It is equipped with a turntable and four supports for lifting non-standard workpieces, enabling the sequential loading of four non-standard workpieces at a time. This reduces the labor intensity of individual loading and clamping by company employees and increases the loading speed by four times. A clamping rotation mechanism is included to automatically clamp and rotate the outer diameter of the non-standard workpieces. An anti-detachment mechanism prevents the non-standard workpieces from detaching from the two clamping rotation mechanisms during rotation, thus improving the overall stability of the device.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0007] A non-standard parts clamping device for centrifugal pump spraying production includes a housing and a clamping rotation mechanism symmetrically arranged on the housing. The clamping rotation mechanism includes a clamping cylinder rotatably arranged in a movable frame. When the two movable frames are close together, the clamping cylinder can clamp the outer circular surface of the non-standard workpiece and drive the non-standard workpiece to rotate. A circular hole is provided directly below the non-standard workpiece and in the middle of the housing. A turntable is provided below the housing for transporting the non-standard workpiece to the area directly below the circular hole. A lifting block is provided below the turntable for lifting the non-standard workpiece and sending it between the two clamping cylinders. The lower end of the lifting block is connected to the telescopic shaft end of the first drive unit. Anti-detachment mechanisms are symmetrically arranged on the side of the clamping rotation mechanism to prevent the non-standard workpiece from detaching during rotation.

[0008] As a further improvement to the above solution, a groove matching the outer circular surface of the non-standard workpiece is provided in the middle of the clamping drum, and a first bearing is provided between the connecting rods at both ends of the clamping drum and the movable frame.

[0009] As a further improvement to the above solution, the connecting rod at the lower part of the clamping drum is connected to the driving gear at the output shaft end of the second motor through a driven gear, and the second motor is located inside the movable frame.

[0010] As a further improvement to the above solution, a guide rod is horizontally installed through the side of the movable frame, a bushing is installed between the movable frame and the guide rod, one end of the guide rod is installed on the support plate, a second drive unit is installed on the side of the support plate, and the telescopic shaft end of the second drive unit passes through the support plate and connects to the side of the movable frame.

[0011] As a further improvement to the above solution, the turntable has a cross-shaped plate structure, and four brackets for supporting non-standard workpieces are provided on the turntable. Both the brackets and the turntable are provided with clearance grooves for the passage of the lifting blocks, and the bottom of the turntable is connected to the output shaft of the first motor.

[0012] As a further improvement to the above solution, the anti-detachment mechanism includes a support plate with a U-shaped structure, and at least two rollers for rolling and bearing the lower surface of non-standard workpieces are provided inside the support plate.

[0013] As a further improvement to the above solution, the outer side of the bracket plate is connected to the telescopic shaft end of the third drive unit.

[0014] As a further improvement to the above solution, the first drive unit, the second drive unit, and the third drive unit can be any one of a hydraulic cylinder, a pneumatic cylinder, or a linear motor.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0016] This utility model is equipped with a turntable and four brackets for supporting non-standard workpieces, enabling the loading of four non-standard workpieces one by one at a time. This reduces the labor intensity of employees loading and clamping each workpiece individually, and increases the loading and clamping speed by four times. The clamping and rotating mechanism can automatically clamp and rotate the outer circle of the non-standard workpiece, and the anti-detachment mechanism can prevent the non-standard workpiece from detaching from the two clamping and rotating mechanisms during rotation, thus improving the overall stability of the device.

[0017] The operation of the entire device is controlled by various drive components, enabling automated operation and meeting the processing needs of enterprises for automated, large-scale, and continuous production. This is beneficial to improving the production efficiency and competitiveness of enterprises. The turntable has a cross-shaped plate structure with four brackets for supporting non-standard workpieces. During loading, multiple non-standard workpieces with guide sleeves are placed on the brackets of the turntable. The bottom of the turntable is connected to the output shaft of the first motor. The first motor drives the turntable to rotate, transferring the non-standard workpieces on the brackets one by one to the position directly below the circular hole. After the non-standard workpiece is transported by the turntable to the position directly below the circular hole, the lifting block moves upward under the drive of the first drive unit, lifting the non-standard workpiece and sending it between the two clamping drums.

[0018] The telescopic shaft of the second drive unit pushes the side of the movable frame, causing the two movable frames to move closer together. At this time, the clamping drum can clamp the outer cylindrical surface of the non-standard workpiece. The connecting rods at both ends of the clamping drum are equipped with first bearings between them and the movable frames, enabling the clamping drum to rotate smoothly. The connecting rod at the bottom of the clamping drum is connected to the driving gear at the output shaft end of the second motor via a driven gear. The second motor is located inside the movable frame. After the second motor starts, the meshing of the driving gear and the driven gear drives the clamping drum to rotate, thereby causing the non-standard workpiece to rotate, providing the basic conditions for achieving uniform spraying of its outer cylindrical surface.

[0019] The anti-detachment mechanism includes a U-shaped support plate with at least two rollers inside for rolling and supporting the lower surface of the non-standard workpiece. The outer side of the support plate is connected to the telescopic shaft end of the third drive unit. During the clamping and rotation of the non-standard workpiece, the third drive unit controls the support plate to move closer to the non-standard workpiece, and the rollers contact and roll with the lower surface of the non-standard workpiece, providing auxiliary support and limiting the non-standard workpiece to prevent it from detaching during rotation. Attached Figure Description

[0020] Figure 1 This is a top view of the structure of this utility model.

[0021] Figure 2 This is a schematic diagram of the main structure of this utility model.

[0022] Figure 3This is a front view structural diagram of the clamping and rotating mechanism of this utility model.

[0023] Figure 4 for Figure 1 Schematic diagram of the cross-sectional structure at point AA.

[0024] Figure 5 This is a top view of the turntable structure of this utility model.

[0025] Figure 6 This is a schematic diagram of the three-dimensional structure of a non-standard workpiece in this utility model.

[0026] Figure 7 This is a schematic diagram of the main structure of a non-standard workpiece in this utility model.

[0027] The text labels in the figure represent: 1. Machine housing; 2. Circular hole; 3. Non-standard workpiece; 4. Clamping and rotating mechanism; 5. First drive unit; 6. Lifting block; 7. First motor; 8. Turntable; 9. Clearance groove; 10. Bracket; 11. Anti-detachment mechanism; 401. Connecting rod; 402. First bearing; 403. Clamping drum; 404. Movable frame; 405. Second motor; 406. Bushing; 407. Guide rod; 408. Second drive unit; 409. Drive gear; 410. Driven gear; 1101. Third drive unit; 1102. Support plate; 1103. Roller. Detailed Implementation

[0028] To enable those skilled in the art to better understand the technical solution, the present invention will be described in detail below with reference to the embodiments. The description in this part is only exemplary and explanatory, and should not be used to limit the scope of protection of the present invention in any way.

[0029] like Figures 1-7 As shown, the specific solution of this embodiment is as follows: a non-standard part clamping device for centrifugal pump spraying production, including a housing 1, and a clamping rotation mechanism 4 symmetrically arranged on the housing 1. The clamping rotation mechanism 4 includes a clamping cylinder 403 rotatably arranged in a movable frame 404. When the two movable frames 404 approach each other, the clamping cylinder 403 can clamp the outer surface of the non-standard workpiece 3 and drive the non-standard workpiece 3 to rotate. A circular hole 2 is provided directly below the non-standard workpiece 3 and in the middle of the housing 1. A turntable 8 is provided below the housing 1 for transporting the non-standard workpiece 3 to the area directly below the circular hole 2. A lifting block 6 is provided below the turntable 8 for lifting the non-standard workpiece 3 and sending it between the two clamping cylinders 403. The lower end of the lifting block 6 is connected to the telescopic shaft end of the first drive part 5. An anti-detachment mechanism 11 is symmetrically arranged on the side of the clamping rotation mechanism 4 to prevent the non-standard workpiece 3 from detaching during rotation.

[0030] like Figure 2 and Figure 3As shown, in a preferred embodiment, the clamping drum 403 is provided with a groove in the middle that matches the outer circular surface of the non-standard workpiece 3, and a first bearing 402 is provided between the connecting rods 401 at both ends of the clamping drum 403 and the movable frame 404.

[0031] like Figure 2 and Figure 3 As shown, in a preferred embodiment, the connecting rod 401 at the lower part of the clamping drum 403 is connected to the driving gear 409 at the output shaft end of the second motor 405 via the driven gear 410, and the second motor 405 is disposed in the movable frame 404.

[0032] like Figure 2 and Figure 3 As shown, in a preferred embodiment, a guide rod 407 is horizontally provided through the side of the movable frame 404, a bushing 406 is provided between the movable frame 404 and the guide rod 407, one end of the guide rod 407 is provided on the support plate, a second drive part 408 is provided on the side of the support plate, and the telescopic shaft end of the second drive part 408 passes through the support plate and connects to the side of the movable frame 404.

[0033] like Figure 1 , Figure 2 , Figure 5 As shown, in the preferred embodiment above, the turntable 8 has a cross-shaped plate structure. Four brackets 10 are provided on the turntable 8 for supporting non-standard workpieces 3. Both the brackets 10 and the turntable 8 are provided with clearance grooves 9 for the passage of the lifting block 6. The bottom of the turntable 8 is connected to the output shaft end of the first motor 7.

[0034] like Figure 1 and Figure 4 As shown, in a preferred embodiment of the above, the anti-detachment mechanism 11 includes a support plate 1102 in the shape of a U-shape, and at least two rollers 1103 are provided in the support plate 1102 for rolling and bearing the lower surface of the non-standard workpiece 3.

[0035] As shown in the figure and Figure 4 As shown, in a preferred embodiment, the outer side of the bracket plate 1102 is connected to the telescopic shaft end of the third drive unit 1101.

[0036] like Figures 1-3 As shown, in a preferred embodiment of the above, the first drive unit 5, the second drive unit 408, and the third drive unit 1101 are any one of a hydraulic cylinder, a pneumatic cylinder, or a linear motor.

[0037] The specific working principle of this utility model is as follows:

[0038] The turntable 8 has a cross-shaped plate structure, and four brackets 10 are set on it to support non-standard workpieces 3. During loading, multiple non-standard workpieces 3 are placed on the brackets 10 of the turntable 8. The bottom of the turntable 8 is connected to the output shaft of the first motor 7. The first motor 7 drives the turntable 8 to rotate, and transfers the non-standard workpieces 3 on the brackets 10 one by one to the position directly below the circular hole 2. After the non-standard workpiece 3 is transported by the turntable 8 to the position directly below the circular hole 2, the lifting block 6 moves upward under the drive of the first drive unit 5, and lifts the non-standard workpiece 3 and sends it between the two clamping drums 403.

[0039] The telescopic shaft end of the second drive unit 408 pushes the side of the movable frame 404, causing the two movable frames 404 to move closer together. At this time, the clamping drum 403 can clamp the outer cylindrical surface of the non-standard workpiece 3. The connecting rods 401 at both ends of the clamping drum 403 are provided with the first bearings 402 between them and the movable frames 404, which can realize the smooth rotation of the clamping drum 403. The connecting rods 401 at the lower part of the clamping drum 403 are connected to the drive gear 409 at the output shaft end of the second motor 405 through the driven gear 410. The second motor 405 is set inside the movable frame 404. After the second motor 405 is started, it drives the clamping drum 403 to rotate through the meshing of the drive gear 409 and the driven gear 410, thereby driving the non-standard workpiece 3 to rotate, providing the basic conditions for the subsequent uniform spraying of its outer cylindrical surface.

[0040] The anti-detachment mechanism 11 includes a U-shaped support plate 1102. At least two rollers 1103 are provided inside the support plate 1102 for rolling and supporting the lower surface of the non-standard workpiece 3. The outer side of the support plate 1102 is connected to the telescopic shaft end of the third drive unit 1101. During the clamping and rotation of the non-standard workpiece 3, the third drive unit 1101 controls the support plate 1102 to move closer to the non-standard workpiece 3. The rollers 1103 contact and roll with the lower surface of the non-standard workpiece 3, providing auxiliary support and limiting the non-standard workpiece 3, preventing it from detaching during rotation.

[0041] It should be noted that, in this document, the terms "including," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Specific examples have been used in this document to illustrate the principles and implementation methods of the present invention. These examples are merely for the purpose of helping to understand the method and core ideas of the present invention. The above descriptions are only preferred embodiments of the present invention. It should be pointed out that, due to the limitations of written expression and the objective existence of infinite specific structures, those skilled in the art can make several improvements, modifications, or changes without departing from the principles of the present invention, and can also combine the above technical features in an appropriate manner. These improvements, modifications, changes, or combinations, or the direct application of the concept and technical solution of the present invention to other situations without modification, should all be considered within the scope of protection of the present invention.

Claims

1. A non-standard parts clamping device for centrifugal pump spraying production, comprising a housing (1), characterized in that, It also includes a clamping and rotating mechanism (4) symmetrically arranged on the housing (1). The clamping and rotating mechanism (4) includes a clamping cylinder (403) rotatably arranged in the movable frame (404). When the two movable frames (404) approach each other, the clamping cylinder (403) can clamp the outer surface of the non-standard workpiece (3) and drive the non-standard workpiece (3) to rotate. A round hole (2) is provided directly below the non-standard workpiece (3) and in the middle of the housing (1). A turntable (8) is provided below the housing (1) for transporting the non-standard workpiece (3) to the center of the round hole (2). A lifting block (6) is provided below the turntable (8) for lifting the non-standard workpiece (3) and sending it between the two clamping cylinders (403). The lower end of the lifting block (6) is connected to the telescopic shaft end of the first drive unit (5). A non-detachment mechanism (11) is symmetrically arranged on the side of the clamping and rotating mechanism (4) to prevent the non-standard workpiece (3) from detaching during rotation.

2. The non-standard parts clamping device for centrifugal pump spraying production according to claim 1, characterized in that, The clamping drum (403) has a groove in the middle that matches the outer surface of the non-standard workpiece (3), and a first bearing (402) is provided between the connecting rod (401) at both ends of the clamping drum (403) and the movable frame (404).

3. The non-standard parts clamping device for centrifugal pump spraying production according to claim 2, characterized in that, The connecting rod (401) at the lower part of the clamping drum (403) is connected to the driving gear (409) at the output shaft end of the second motor (405) via the driven gear (410). The second motor (405) is located inside the movable frame (404).

4. A non-standard parts clamping device for centrifugal pump spraying production according to claim 3, characterized in that, A guide rod (407) is horizontally inserted through the side of the movable frame (404). A bushing (406) is provided between the movable frame (404) and the guide rod (407). One end of the guide rod (407) is provided on the support plate. A second drive unit (408) is provided on the side of the support plate. The telescopic shaft end of the second drive unit (408) passes through the support plate and connects to the side of the movable frame (404).

5. A non-standard parts clamping device for centrifugal pump spraying production according to claim 1, characterized in that, The turntable (8) has a cross-shaped plate structure. Four brackets (10) are provided on the turntable (8) for supporting non-standard workpieces (3). Both the brackets (10) and the turntable (8) are provided with clearance grooves (9) for the lifting block (6) to pass through. The bottom of the turntable (8) is connected to the output shaft end of the first motor (7).

6. A non-standard parts clamping device for centrifugal pump spraying production according to claim 1, characterized in that, The anti-detachment mechanism (11) includes a bracket plate (1102) in the shape of a U-shape, and at least two rollers (1103) are provided in the bracket plate (1102) for rolling and bearing the lower surface of the non-standard workpiece (3).

7. A non-standard parts clamping device for centrifugal pump spraying production according to claim 6, characterized in that, The outer side of the bracket plate (1102) is connected to the telescopic shaft end of the third drive unit (1101).

8. A non-standard parts clamping device for centrifugal pump spraying production according to claim 4 or 7, characterized in that, The first drive unit (5), the second drive unit (408), and the third drive unit (1101) are any one of a hydraulic cylinder, a pneumatic cylinder, or a linear motor.

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