Numerical control lathe for processing slurry pump piston rod

Abstract

The present disclosure relates to the technical field of lathe, and one embodiment of the present disclosure provides a numerical control lathe for slurry pump piston rod processing, which comprises a lathe frame, a main shaft motor and a fixed chuck, the main shaft motor is arranged on the lathe frame, the fixed chuck is installed on the output end of the main shaft motor, a track is arranged on the surface of the lathe frame, a turning assembly is arranged in the lathe frame, the turning assembly comprises a sliding seat, the sliding seat is slidably connected to the track, a top frame is arranged on the sliding seat, an adjusting screw and a guide rod are arranged on the two sides of the top frame respectively, a connecting block is arranged on the adjusting screw and the guide rod, a tool sleeve is rotatably connected to the connecting blocks through a pin shaft, and a turning tool is inserted into the tool sleeve. Through the above technical scheme, the technical defect that the turning part of the conventional numerical control lathe for slurry pump piston rod processing is generally exposed to the outside is solved, which leads to low safety and difficulty in collecting waste turning, and seriously restricts the standardization and efficient production of piston rod processing.

Description

Technical Field

[0001] This utility model relates to the field of lathe technology, specifically to a CNC lathe for machining piston rods of slurry pumps. Background Technology

[0002] In the machining of slurry pump piston rods, CNC lathes are the core equipment for ensuring the accuracy and surface quality of the piston rods. Their safety and waste collection efficiency directly affect the production environment and machining costs. However, traditional CNC lathes used for machining slurry pump piston rods generally have the technical defect of exposing the turned parts to the outside, resulting in low safety and difficulty in waste collection, which seriously restricts the standardization and high efficiency of piston rod machining.

[0003] In existing CNC lathes, the turning area for machining piston rods often employs an open structure, with the cutting tool and rotating piston rod completely exposed. When high-speed turning generates metal scrap, it can not only injure operators but also adhere to the machine tool's electrical components, increasing the risk of equipment malfunction. For example, when machining high-hardness alloy piston rods, the high-temperature scrap can splash over 2 meters, and even with heavy protective gear, it's difficult to completely avoid safety hazards. Furthermore, the accumulation of scrap on the machine tool guideways and lead screws accelerates wear on mechanical parts, reducing the equipment's lifespan.

[0004] Meanwhile, the open turning structure leads to low waste material collection efficiency. Traditional lathes rely solely on simple brooms or vacuum cleaners to clean waste material. For long strips of waste material entangled in the piston rod, manual stripping is required after stopping the machine, taking approximately 15-20 minutes per cleaning, severely impacting production continuity. Furthermore, waste material mixed with cutting fluid is difficult to separate, increasing processing costs and polluting the workshop environment. With the increasing precision requirements of high-end slurry pumps for piston rods, traditional lathes, due to their significant safety hazards, inefficient waste material collection, and frequent equipment maintenance, can no longer meet the urgent demands of modern production for safety, environmental protection, and high efficiency. There is an urgent need to develop a new type of CNC lathe with a closed turning area and centralized waste material collection to solve the industry problems of poor production safety and high waste material processing costs. Utility Model Content

[0005] To overcome the above-mentioned defects, the embodiments of this disclosure provide a CNC lathe for machining piston rods of slurry pumps, which solves the technical defect that the turning parts of conventional CNC lathes used for machining piston rods of slurry pumps are generally exposed to the outside, resulting in low safety and difficulty in collecting waste, which seriously restricts the standardized and efficient production of piston rod machining.

[0006] According to one aspect, at least one embodiment of this disclosure provides a CNC lathe for machining a slurry pump piston rod, comprising:

[0007] The lathe includes a lathe frame, a spindle motor, and a fixed chuck. The spindle motor is mounted on the lathe frame, and the fixed chuck is installed at the output end of the spindle motor.

[0008] The lathe includes a track and a turning assembly, wherein the track is disposed on the surface of the lathe frame, and the turning assembly is disposed on the lathe frame and the track;

[0009] A support assembly disposed on the track;

[0010] A chip removal assembly, which is disposed in the lathe frame;

[0011] The turning assembly includes a sliding seat slidably connected to the track. A top frame is provided on the sliding seat. An adjusting screw and a guide rod are respectively provided on both sides of the top frame. A connecting block is provided on both the adjusting screw and the guide rod. A tool sleeve is rotatably connected between the connecting blocks by a pin. A turning tool is inserted into the tool sleeve.

[0012] As a further technical solution, a tensioning bolt is inserted into one side of the top frame, and one end of the tensioning bolt is screwed into the tool holder. A connecting groove is provided on the top of the tool holder, and a fixing bolt is inserted into the connecting groove. The fixing bolt is screwed into one end of the cutting tool.

[0013] As a further technical solution, a vertical lead screw is installed inside the sliding seat, the top frame is vertically slidably connected inside the sliding seat, the top frame and the vertical lead screw are connected by a threaded engagement, and a main lead screw is installed on the lathe frame, the main lead screw and the sliding seat are connected by a threaded engagement.

[0014] As a further technical solution, the support assembly includes a movable frame, which is slidably connected to the track. A bolt frame is threadedly connected to the bottom of the movable frame, and a top cone rotates on the movable frame.

[0015] As a further technical solution, the chip removal assembly includes a collection groove, which is formed inside the surface of the lathe frame. One end of the collection groove is open, and a pusher auger is installed inside the collection groove.

[0016] As a further technical solution, the top frame has an overall U-shaped opening structure.

[0017] As a further technical solution, a bottom groove is formed on the side surface of the lathe frame, and the bottom groove is connected to the collection groove.

[0018] As a further technical solution, the tool holder can be rotated 180° via the pin connection.

[0019] The beneficial effects of the embodiments disclosed herein are as follows:

[0020] 1. In this disclosure, the turning assembly realizes the movement of the sliding seat and the top holder through the main lead screw and the vertical lead screw, which can accurately adjust the position of the cutting tool. The adjustment screw and the guide rod can finely adjust the angle of the tool holder. The cutting tool is double-fixed by the fixing bolt and the tension bolt to ensure the stability of turning. The U-shaped structure of the top holder encloses the turning area to avoid scrap splashing, improve safety, and solve the problem of exposed turning parts in traditional lathes.

[0021] 2. In this disclosure, the movable frame of the support assembly can slide on the track to accommodate piston rods of different lengths. The bolt frame fixes the position of the movable frame, and the top cone abuts the end of the piston rod, forming a two-end support with the fixed chuck. This reduces the shaking of the piston rod during turning, ensures machining accuracy, and improves the stability and reliability of lathe machining.

[0022] 3. In this disclosure, the collection groove of the chip removal component is inclined, so that the waste chips can fall in automatically. The auger is pushed to rotate and discharge the waste chips from the bottom groove, realizing the centralized collection and automatic discharge of waste chips, avoiding the accumulation and splashing of waste chips, keeping the work area clean, improving the waste chip collection efficiency, and solving the problem of difficult waste chip collection in traditional lathes. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of this disclosure, the accompanying drawings used in the description of the embodiments of this disclosure will be briefly introduced below. Obviously, the drawings described below are merely some exemplary embodiments of this disclosure. For those skilled in the art, other drawings can be obtained based on the content of the exemplary embodiments of this disclosure and these drawings without any creative effort.

[0024] Figure 1 This is a schematic diagram of a structure in one embodiment of the present disclosure;

[0025] Figure 2 This is an isometric drawing of the present disclosure;

[0026] Figure 3 This is an isometric sectional view of the present disclosure;

[0027] Figure 4 Appendix to this disclosure Figure 3 Enlarged view of part A in the middle;

[0028] In the diagram: 1. Lathe frame; 2. Spindle motor; 3. Fixed chuck; 4. Rail; 5. Turning assembly; 5-1. Sliding seat; 5-2. Top support; 5-3. Adjusting screw; 5-4. Guide rod; 5-5. Connecting block; 5-6. Tool holder; 5-7. Lathe tool; 5-8. Tensioning bolt; 5-9. Connecting groove; 5-10. Fixing bolt; 5-11. Vertical lead screw; 5-12. Main lead screw; 6. Support assembly; 6-1. Moving frame; 6-2. Bolt frame; 6-3. Top taper; 7. Chip removal assembly; 7-1. Collection groove; 7-2. Push auger; 8. Bottom groove. Detailed Implementation

[0029] The present disclosure will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present disclosure and are not intended to limit the scope of the disclosure.

[0030] To keep the drawings concise, each drawing only schematically shows the parts relevant to the disclosure; these do not represent the actual structure of the product. Furthermore, for ease of understanding, in some drawings, only one of components with the same structure or function is schematically shown, or only one is labeled. In this document, "one" not only means "only one," but can also mean "more than one," and "several" includes "two" and "more than two."

[0031] In this document, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linkage" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this disclosure based on the specific circumstances.

[0032] In this disclosure, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0033] In the description of this embodiment, terms such as "upper," "lower," "left," and "right" are based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of description and simplification of operation, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this disclosure.

[0034] Furthermore, in the description of this application, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0035] like Figures 1-4 As shown, it illustrates a CNC lathe for machining a slurry pump piston rod according to an embodiment of the present disclosure, comprising:

[0036] The lathe frame 1, the spindle motor 2, and the fixed chuck 3 are provided. The spindle motor 2 is mounted on the lathe frame 1, and the fixed chuck 3 is mounted on the output end of the spindle motor 2.

[0037] The lathe frame 1 has a track 4 and a turning assembly 5. The track 4 is disposed on the surface of the lathe frame 1, and the turning assembly 5 is disposed on the lathe frame 1 and the track 4.

[0038] Support component 6 is disposed on the track 4;

[0039] A chip removal assembly 7 is disposed in the lathe frame 1;

[0040] The turning assembly 5 includes a sliding seat 5-1, which is slidably connected to the track 4. A top frame 5-2 is mounted on the sliding seat 5-1. An adjusting screw 5-3 and a guide rod 5-4 are respectively provided on both sides of the top frame 5-2. A connecting block 5-5 is provided on both the adjusting screw 5-3 and the guide rod 5-4. A tool sleeve 5-6 is rotatably connected between the connecting blocks 5-5 by a pin. A turning tool 5-7 is inserted into the tool sleeve 5-6. A tension bolt 5-8 is inserted into one side of the top frame 5-2, and one end of the tension bolt 5-8 is screwed to... Inside the tool holder 5-6, a connecting groove 5-9 is provided on the top of the tool holder 5-6. A fixing bolt 5-10 is inserted into the connecting groove 5-9. The fixing bolt 5-10 is screwed into one end of the lathe tool 5-7. A vertical lead screw 5-11 is installed in the sliding seat 5-1. The top frame 5-2 is vertically slidably connected to the sliding seat 5-1. The top frame 5-2 and the vertical lead screw 5-11 are connected by a threaded engagement. A main lead screw 5-12 is installed on the lathe frame 1. The main lead screw 5-12 is connected to the sliding seat 5-1 by a threaded engagement.

[0041] In some examples, a turning assembly 5 is designed to achieve stable turning of the cutting tool 5-7 inside the top rest 5-2. This assembly is based on a sliding seat 5-1 slidably connected to the rail 4, and is driven by a main leadscrew 5-12 on the lathe head 1 to move laterally along the rail 4, achieving precise adjustment of the turning position. A vertical leadscrew 5-11 inside the sliding seat 5-1 is threaded into the top rest 5-2, driving the top rest 5-2 to rise and fall vertically, adapting to the machining requirements of piston rods of different diameters.

[0042] The adjusting screw 5-3 inside the top frame 5-2 is arranged parallel to the guide rod 5-4. The connecting block 5-5 engages with the adjusting screw 5-3 via a thread and with the guide rod 5-4 via a sliding sleeve. Rotating the adjusting screw 5-3 causes the connecting block 5-5 to move laterally, thereby adjusting the lateral position of the tool holder 5-6 via a pin, so that the cutting tool 5-7 contacts the piston rod at a suitable angle. The connecting groove 5-9 on the top of the tool holder 5-6 engages with the fixing bolt 5-10 to fix one end of the cutting tool 5-7 inside the tool holder 5-6. The tension bolt 5-8 is inserted from one side of the top frame 5-2 and screwed into the tool holder 5-6 to further lock the cutting tool 5-7 and prevent it from loosening during turning. The cutting tool 5-7 is completely covered inside the top frame 5-2, which can prevent chips from flying during turning. At the same time, the structure of the top frame 5-2 enhances the rigidity during turning and reduces vibration. Through the dual-axis linkage of the main lead screw 5-12 and the vertical lead screw 5-11, the angle fine adjustment of the adjusting screw 5-3, and the double locking structure, the turning assembly 5 achieves precise positioning and stable turning of the cutting tool 5-7 within the top frame 5-2.

[0043] like Figures 1-4 As shown in the figure, the support component 6 in this embodiment includes a movable frame 6-1, which is slidably connected to the track 4. The bottom of the movable frame 6-1 is connected to a bolt frame 6-2 by a threaded connection, and a top cone 6-3 is rotatably mounted on the movable frame 6-1.

[0044] In some examples, a support assembly 6 is designed to hold one end of the piston rod in place to maintain machining stability. This assembly uses a movable frame 6-1 slidably connected to the track 4 as its carrier. A bolt bracket 6-2 at the bottom engages with the track 4 via a threaded connection, allowing the bolts to be tightened to fix the position of the movable frame 6-1 and ensure stable support. A top cone 6-3 on the movable frame 6-1 is rotatably connected via a bearing, its tip aligned with the center hole at the end of the piston rod. When the spindle motor 2 drives the fixed chuck 3 to rotate, the top cone 6-3 holds the other end of the piston rod, forming a two-end support structure that effectively reduces piston rod wobbling during high-speed rotary turning.

[0045] The axial position of the top cone 6-3 can be adjusted by sliding the movable frame 6-1 on the track 4 to accommodate piston rods of different lengths.

[0046] Through the sliding adjustment of the movable frame 6-1, the fixing and locking of the bolt frame 6-2, and the support and positioning of the top cone 6-3, the support assembly 6 achieves stable support for one end of the piston rod, ensuring the accuracy and safety of the turning process.

[0047] like Figures 1-4 As shown in the figure, the chip removal component 7 in this embodiment includes a collection groove 7-1, which is formed inside the surface of the lathe frame 1. One end of the collection groove 7-1 is an open structure, and a pusher auger 7-2 is installed inside the collection groove 7-1.

[0048] In some examples, a chip removal assembly 7 is designed to collect and centrally discharge waste chips. This assembly centers on a collection groove 7-1 formed on the surface of the lathe frame 1, with one end open to allow chips to fall in. An internally mounted auger 7-2, driven by a motor, rotates to push the waste chips from the collection groove 7-1 along the groove to the outlet for centralized discharge. The bottom of the collection groove 7-1 is inclined, which, combined with the auger's spiral blades, ensures smooth chip movement and prevents accumulation.

[0049] The auger blades are made of wear-resistant cast iron with a smooth surface to reduce chip adhesion. A removable protective net is installed at the opening of the collection trough 7-1 to prevent large chips from splashing while allowing them to fall in. Through gravity guidance from the inclined collection trough 7-1, forced conveying by the pushing auger 7-2, and safety protection from the protective net, the chip removal assembly 7 achieves automatic collection and centralized discharge of waste chips, keeping the lathe working area clean and preventing chip accumulation from affecting machining operations.

[0050] For example, such as Figure 1 As shown, the top frame 5-2 has an overall U-shaped opening structure.

[0051] In some examples, the U-shaped opening structure allows the top frame 5-2 to enclose the piston rod internally, improving safety.

[0052] For example, such as Figure 1 As shown, a bottom groove 8 is provided on the side surface of the lathe frame 1, and the bottom groove 8 is connected to the collection groove 7-1.

[0053] In some examples, a bottom groove 8 is provided to facilitate the placement of a collection container, which can directly collect the pushed-out waste.

[0054] For example, such as Figure 4 As shown, the blade sleeve 5-6 can be rotated 180° via the pin connection.

[0055] In some examples, the opening of the tool holder 5-6 can be fully facing upwards by rotating it 180°, making it easy to change the lathe tool 5-7.

[0056] In actual use: the lathe frame 1 is fixed, the spindle motor 2 is installed on the lathe frame 1 and connected to the fixed chuck 3, the rail 4 is fixed on the surface of the lathe frame 1, the sliding seat 5-1 of the turning assembly 5 is driven to move laterally on the rail 4 by the main lead screw 5-12, the vertical lead screw 5-11 drives the top frame 5-2 to rise and fall in the sliding seat 5-1, the connecting block 5-5 on the adjusting screw 5-3 and the guide rod 5-4 drives the tool sleeve 5-6 to move laterally, after the tool sleeve 5-6 is adjusted by rotating the pin, the cutting tool 5-7 is fixed with the fixing bolt 5-10 and the tensioning bolt 5-8, the moving frame 6-1 of the support assembly 6 slides and adjusts its position on the rail 4, the bolt frame 6-2 fixes the moving frame 6-1, the top cone 6-3 presses against the end of the piston rod, the collection groove 7-1 of the chip removal assembly 7 collects the waste chips, and the push auger 7-2 discharges the waste chips from the bottom groove 8.

[0057] It should be noted that the above embodiments are only used to illustrate the technical solutions of this disclosure and are not intended to limit it. Although this disclosure has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this disclosure without departing from the spirit and scope of the technical solutions of this disclosure, and all such modifications and substitutions should be covered within the scope of the claims of this disclosure.

Claims

1. A CNC lathe for slurry pump piston rod machining, characterized in that, include: The lathe frame (1), the spindle motor (2), and the fixed chuck (3) are provided. The spindle motor (2) is mounted on the lathe frame (1), and the fixed chuck (3) is mounted on the output end of the spindle motor (2). The track (4) and the turning assembly (5) are provided on the surface of the lathe frame (1) and the turning assembly (5) are provided on the lathe frame (1) and the track (4); Support component (6), said support component (6) is disposed on said track (4); A chip removal assembly (7) is disposed in the lathe frame (1); The turning assembly (5) includes a sliding seat (5-1), which is slidably connected to the track (4). A top frame (5-2) is provided on the sliding seat (5-1). An adjusting screw (5-3) and a guide rod (5-4) are respectively provided on both sides of the top frame (5-2). A connecting block (5-5) is provided on both the adjusting screw (5-3) and the guide rod (5-4). A tool sleeve (5-6) is rotatably connected between the connecting blocks (5-5) through a pin. A turning tool (5-7) is inserted into the tool sleeve (5-6).

2. The numerical control lathe for slurry pump piston rod machining according to claim 1, characterized in that, A tensioning bolt (5-8) is inserted into one side of the top frame (5-2). One end of the tensioning bolt (5-8) is screwed into the tool holder (5-6). A connecting groove (5-9) is provided on the top of the tool holder (5-6). A fixing bolt (5-10) is inserted into the connecting groove (5-9). The fixing bolt (5-10) is screwed into one end of the lathe tool (5-7).

3. The CNC lathe for slurry pump piston rod machining according to claim 2, characterized in that, A vertical lead screw (5-11) is installed inside the sliding seat (5-1). The top frame (5-2) is vertically slidably connected inside the sliding seat (5-1). The top frame (5-2) and the vertical lead screw (5-11) are connected by a threaded engagement. A main lead screw (5-12) is installed on the lathe frame (1). The main lead screw (5-12) and the sliding seat (5-1) are connected by a threaded engagement.

4. The CNC lathe for slurry pump piston rod machining according to claim 1, characterized in that, The support assembly (6) includes a movable frame (6-1), which is slidably connected to the track (4). The bottom of the movable frame (6-1) is connected to a bolt frame (6-2) by a threaded connection, and a top cone (6-3) is rotatably mounted on the movable frame (6-1).

5. The CNC lathe for slurry pump piston rod machining according to claim 1, characterized in that, The chip removal assembly (7) includes a collection groove (7-1), which is formed inside the surface of the lathe frame (1). One end of the collection groove (7-1) is open, and a pusher auger (7-2) is installed inside the collection groove (7-1).

6. The CNC lathe for slurry pump piston rod machining according to claim 1, characterized in that, The top frame (5-2) has an overall U-shaped opening structure.

7. A CNC lathe for slurry pump piston rod machining as claimed in claim 5, wherein, The lathe frame (1) has a bottom groove (8) on its side surface, and the bottom groove (8) is connected to the collection groove (7-1).

8. The CNC lathe for slurry pump piston rod machining according to claim 1, characterized in that, The blade sleeve (5-6) can be rotated 180° via the pin connection.

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