Adjusting type lathe for machining telescopic rod of hydraulic oil cylinder

Abstract

The invention relates to the technical field of machine tool machining, in particular to an adjustable lathe for machining a hydraulic oil cylinder telescopic rod. The tailstock structure comprises a sliding seat, and the sliding seat is clamped on the upper surface of the bed body in a sliding manner; the auxiliary supporting frame comprises a base ring, the base ring is installed above the bed body in a sliding and suspending mode, fourth lead screws are installed on the side surface of the base ring in an annular and equal-angle distribution and penetrating mode, abutting ends are fixed to the inner ends of the fourth lead screws, and rolling wheels are rotationally installed in the middles of the abutting ends. According to the cylindrical telescopic rod machining device, a cylindrical telescopic rod raw material to be machined is clamped and limited above the machine tool body through the tailstock structure capable of adjusting the position in a sliding mode, the base ring is connected to the side surface of the raw material in a sleeving mode, three-point type limiting is conducted at the two ends and the middle of the raw material, more stable limiting is provided, and meanwhile all third lead screws slide synchronously; and the abutting end abuts against the side surface of the raw material, and the telescopic rod machining device can adapt to machining work of telescopic rods of various diameter models within a certain range.

Description

Technical Field

[0001] This invention relates to the field of machine tool processing technology, specifically an adjustable lathe for machining hydraulic cylinder telescopic rods. Background Technology

[0002] A lathe is a machine tool that primarily uses a cutting tool to machine rotating workpieces. Drills, reamers, taps, dies, and knurling tools can also be used on a lathe for various machining operations. Lathes are mainly used for machining rotating parts such as shafts and discs, including turning outer diameters, inner holes, end faces, threads, grooving, and chamfering. They are one of the most widely used machine tools in mechanical manufacturing. The telescopic rod and cylinder body of a hydraulic cylinder are typical examples of shaft machining parts. Rough turning of the bar stock is required to remove most of the excess material and initially machine the outer diameter of the telescopic rod. Then, the end face of the bar stock is milled to ensure flatness and perpendicularity.

[0003] Current lathes primarily rely on a chuck to hold one end of the bar stock, and an adjustable center pin to hold and limit the other end of the bar stock. However, some models have long telescopic rods and heavy bar stock, so relying solely on the center pin for support at one end leaves room for improvement in stability. Additionally, for some thinner bar stock, the middle section tends to bend under centrifugal force during high-speed rotation, affecting stability and potentially causing vibration, thus impacting work efficiency. Furthermore, when milling the end face of the bar stock, relying entirely on the chuck to hold and limit one end while leaving the other end unsupported can lead to instability. Summary of the Invention

[0004] The purpose of this invention is to provide an adjustable lathe for machining the telescopic rod of a hydraulic cylinder, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: An adjustable lathe for machining the telescopic rod of a hydraulic cylinder includes: The lathe body, including the bed; The tailstock structure includes a slide block, which is slidably engaged with the upper surface of the bed. The auxiliary support frame includes a base ring, which is slidably suspended above the bed. A fourth lead screw is installed in a ring-shaped arrangement at equal angles on the side surface of the base ring. The inner end of the fourth lead screw is fixed to abutment, and a roller is rotatably installed in the middle of the abutment.

[0006] Furthermore, the device host is fixedly installed at the rear end of the upper side of the bed, a three-jaw chuck is rotatably installed at the front side of the device host, a support side frame is fixedly installed at the front end of the upper side of the bed, and support slide rails are fixedly installed on both sides of the upper surface of the bed.

[0007] Furthermore, a first lead screw is rotatably installed in the middle between the main unit of the equipment and the supporting side frame, and a second lead screw is rotatably installed on both sides between the main unit of the equipment and the supporting side frame. A slide table is slidably engaged on the upper side of the supporting slide rail. The bottom center of the slide table is screwed and sleeved with the first lead screw, and the bottom sides of the slide table are slidably sleeved with the second lead screw. A tool holder is fixedly installed on the upper side of the slide table.

[0008] Furthermore, the slide block is slidably engaged with the supporting slide rail, the middle part of the slide block is slidably engaged with the first lead screw, the two sides of the slide block are screwed and engaged with the second lead screw, the upper side of the slide block is fixedly installed with the tailstock body, the rear side of the tailstock body is rotatably installed with a mounting seat through a bearing, and the rear side of the mounting seat is fixedly fitted with a chuck by bolts.

[0009] Furthermore, a first optical rod is fixedly installed at the top between the main unit of the equipment and the supporting side frame, a third lead screw is rotatably installed between the main unit of the equipment and the supporting side frame, a slider is screwed onto the side surface of the third lead screw, the upper end of the slider is slidably sleeved with the first optical rod, and the slider is fixedly installed on the upper end of the base ring.

[0010] Furthermore, sliding support rods are fixedly installed on both sides of the base ring, and second light rods are fixedly installed on both sides of the bed body. The side surface of the second light rod is slidably sleeved with the lower end of the sliding support rod.

[0011] Furthermore, a hollow worm gear is rotatably installed inside the base ring, a bevel gear ring is fixedly installed on the rear surface of the hollow worm gear, one side of the hollow worm gear meshes with the worm, a snap-fit ​​end is fixedly installed on the upper end of the worm, the rear surface of the bevel gear ring meshes with a bevel gear, and the middle part of the bevel gear is screwed and sleeved with the No. 4 lead screw.

[0012] Compared with the prior art, the beneficial effects of the present invention are: 1. The tailstock structure with adjustable position is used to clamp and limit the cylindrical telescopic rod raw material to be processed above the bed. The base ring is sleeved on the side surface of the raw material, and three-point limiting is provided at both ends and the middle of the raw material to provide more stable limiting. At the same time, each No. 3 lead screw slides synchronously so that the abutting end abuts against the side surface of the raw material. It can adapt to the processing of telescopic rods of various diameters within a certain range. The roller rolls contact the side surface of the raw material, allowing the raw material to rotate freely for cutting and grinding.

[0013] 2. The main unit's built-in motor rotates the No. 3 lead screw, causing the slider to slide back and forth, adjusting the position of the base ring to avoid interference with the milling operation of the tool holder. The base ring is suspended from the top by the slider, supported on both sides by two sets of sliding support rods to increase the support strength of the base ring. After being fitted onto the side surface of the raw material, the external control handle is engaged through the snap-fit ​​end. Rotating the worm gear causes the hollow worm wheel to rotate, which in turn drives each bevel gear through the bevel gear ring, causing each worm to slide and extend simultaneously, thus making the roller abut against the side surface of the raw material. The self-locking property of the worm gear is used for suspension, clamping, and limiting. Select a suitable model of three-jaw chuck or rear center structure with a chuck installed at the clamping seat to limit the other end of the raw material. The traditional telescopic adjustment rear center structure is directly replaced by a tailstock structure with a sliding adjustment position, eliminating the need for an extended rear center rod structure. With the detachable limiting structure, more suitable limiting components can be selected, providing more stable limiting while being applicable to more sizes and models of telescopic rod raw materials. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the lathe body in this invention; Figure 3 This is a schematic diagram of the tailstock structure in this invention; Figure 4 This is a schematic diagram of the auxiliary support frame in this invention; Figure 5 This is a cross-sectional view of the base ring in this invention. In the diagram: 1. Lathe body; 101. Bed; 102. Main unit; 103. Three-jaw chuck; 104. Support side frame; 105. Support slide rail; 106. Lead screw No. 1; 107. Lead screw No. 2; 108. Slide table; 109. Tool post; 2. Tailstock structure; 201. Slide; 202. Tailstock body; 203. Bearing; 204. Mounting seat; 205. Chuck; 3. Auxiliary support frame; 301. Lead rod No. 1; 302. Lead screw No. 3; 303. Slider; 304. Base ring; 305. Sliding support rod; 306. Lead rod No. 2; 307. Hollow worm gear; 308. Bevel gear ring; 309. Worm; 310. Snap-fit ​​end; 311. Bevel gear; 312. Lead screw No. 4; 313. Abutment end; 314. Roller. Detailed Implementation

[0015] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0016] Please see Figure 1-5 In this embodiment of the invention, an adjustable lathe for machining hydraulic cylinder telescopic rods includes a lathe body 1, which includes a bed 101; a tailstock structure 2 includes a slide 201, which is slidably engaged with the upper surface of the bed 101; an auxiliary support frame 3 includes a base ring 304, which is slidably suspended above the bed 101. A fourth lead screw 312 is arranged and interspersed in a ring at equal angles on the side surface of the base ring 304. The inner end of the fourth lead screw 312 is fixed to an abutment end 313, and a roller 314 is rotatably installed in the middle of the abutment end 313.

[0017] Specifically, the tailstock structure 2, which can be slidably adjusted, clamps and limits the columnar telescopic rod raw material to be processed above the bed 101. The base ring 304 is sleeved on the side surface of the raw material, providing three-point limiting at both ends and the middle of the raw material, providing a more stable limiting. At the same time, each No. 3 lead screw 302 slides synchronously, so that the abutment end 313 abuts against the side surface of the raw material. It can adapt to the processing of telescopic rods of various diameters within a certain range. The roller 314 rolls in contact with the side surface of the raw material, allowing the raw material to rotate freely for cutting and grinding.

[0018] Example 1 like Figure 1-3 As shown, in this embodiment, a device host 102 is fixedly installed at the upper rear end of the bed 101, a three-jaw chuck 103 is rotatably installed at the front of the device host 102, a support side frame 104 is fixedly installed at the upper front end of the bed 101, and support slide rails 105 are fixedly installed on both sides of the upper surface of the bed 101; the slide seat 201 is slidably engaged with the support slide rails 105, the middle part of the slide seat 201 is slidably engaged with the first lead screw 106, the two sides of the slide seat 201 are screwed and engaged with the second lead screw 107, a tailstock body 202 is fixedly installed on the upper side of the slide seat 201, a mounting seat 204 is rotatably installed on the rear side of the tailstock body 202 through a bearing 203, and a chuck 205 is fixedly mounted on the rear side of the mounting seat 204 through bolts.

[0019] In this embodiment, one end of the raw material is held by a three-jaw chuck 103, and the two No. 2 lead screws 107 are driven by the built-in motor of the main unit 102 to rub the slide block 201 and slide it on the support slide rail 105. The No. 1 lead screw 106 serves as a guide rod structure. The position of the tailstock body 202 is adjusted to abut against the other end of the raw material. Another set of three-jaw chucks 103 or rear tip structure with a suitable model of chuck 205 is installed at the clamping seat 204 to limit the other end of the raw material. The traditional telescopic adjustment rear tip structure is directly replaced by the tailstock structure 2 with a sliding adjustment position, eliminating the need for the extended rear tip rod structure. With the detachable limiting structure, more suitable limiting components can be selected, providing more stable limiting while being applicable to more sizes and models of telescopic rod raw materials.

[0020] like Figure 2 As shown, in this embodiment, a first lead screw 106 is rotatably installed in the middle between the main equipment 102 and the support side frame 104, and a second lead screw 107 is rotatably installed on both sides between the main equipment 102 and the support side frame 104. A slide table 108 is slidably engaged on the upper side of the support slide rail 105. The middle of the bottom side of the slide table 108 is screwed and sleeved with the first lead screw 106. The two sides of the bottom of the slide table 108 are slidably sleeved with the second lead screw 107. A tool holder 109 is relatively fixedly installed on the upper side of the slide table 108.

[0021] In practice, the three-jaw chuck 103 is rotated by the motor built into the main unit 102 of the equipment, which drives the raw material to rotate. At the same time, a suitable milling cutter is installed at the tool holder 109. The first lead screw 106 is rotated by the motor built into the main unit 102 of the equipment, which moves the slide table 108. The two second lead screws 107 are used as guide rods to adjust the milling position and carry out the milling work.

[0022] Example 2 Based on Example 1, in order to supplement the specific method of how each of the No. 4 lead screws 312 on the side surface of the base ring 304 synchronously abuts against and clamps the side surface of the raw material, which was not mentioned in Example 1.

[0023] like Figure 1-5 As shown, in this embodiment, a first guide rod 301 is fixedly installed at the top between the main unit 102 and the support side frame 104. A third lead screw 302 is rotatably installed between the main unit 102 and the support side frame 104. A slider 303 is screwed onto the side surface of the third lead screw 302. The upper end of the slider 303 is slidably sleeved with the first guide rod 301. The slider 303 is fixedly installed on the upper end of the base ring 304. Sliding support rods 305 are fixedly installed on both sides of the base ring 304. The bed body 101 is fixed on both sides. A second polished rod 306 is installed, and its side surface is slidably sleeved with the lower end of the sliding support rod 305. A hollow worm gear 307 is rotatably installed inside the base ring 304. A bevel gear ring 308 is fixedly installed on the rear surface of the hollow worm gear 307. One side of the hollow worm gear 307 meshes with the worm 309. A snap-fit ​​end 310 is fixedly installed on the upper end of the worm 309. The rear surface of the bevel gear ring 308 meshes with the bevel gear 311. The middle part of the bevel gear 311 is screwed and sleeved with the fourth lead screw 312.

[0024] In practice, the motor built into the main unit 102 rotates the No. 3 lead screw 302, causing the slider 303 to slide back and forth, adjusting the position of the base ring 304 to avoid interference with the milling operation of the tool holder 109. The base ring 304 is suspended from the top by the slider 303, and supported on both sides by two sets of sliding support rods 305 to increase the support strength of the base ring 304. After being fitted onto the surface of the raw material, the external control handle is engaged through the snap-fit ​​end 310. Rotating the worm 309 causes the hollow worm wheel 307 to rotate, which in turn drives each bevel gear 311 through the bevel gear ring 308, causing each worm 309 to slide and extend simultaneously, thus making the roller 314 abut against the surface of the raw material. The self-locking property of the worm wheel and worm gear is used for suspension, clamping and limiting.

[0025] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims. Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This method of description is merely for clarity, and those skilled in the art should consider the specification as a whole. The technical solutions in the various embodiments can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An adjustable lathe for machining the telescopic rod of a hydraulic cylinder, characterized in that, include: The lathe body (1) includes the bed (101); The tailstock structure (2) includes a slide (201), which is slidably engaged with the upper surface of the bed (101); The auxiliary support frame (3) includes a base ring (304), which is slidably suspended above the bed (101). A fourth lead screw (312) is arranged and interspersed in a ring at equal angles on the side surface of the base ring (304). The inner end of the fourth lead screw (312) is fixed to an abutment end (313), and a roller (314) is rotatably installed in the middle of the abutment end (313).

2. The adjustable lathe for machining the hydraulic cylinder telescopic rod according to claim 1, characterized in that, The device host (102) is fixedly installed on the upper rear end of the bed (101), a three-jaw chuck (103) is rotatably installed on the front side of the device host (102), a support side frame (104) is fixedly installed on the upper front end of the bed (101), and support slide rails (105) are fixedly installed on both sides of the upper surface of the bed (101).

3. The adjustable lathe for machining the hydraulic cylinder telescopic rod according to claim 2, characterized in that, A first lead screw (106) is rotatably installed in the middle between the main unit (102) and the support side frame (104). A second lead screw (107) is rotatably installed on both sides between the main unit (102) and the support side frame (104). A slide table (108) is slidably engaged on the upper side of the support slide rail (105). The middle of the bottom side of the slide table (108) is screwed and sleeved with the first lead screw (106). The two sides of the bottom of the slide table (108) are slidably sleeved with the second lead screw (107). A tool holder (109) is relatively fixedly installed on the upper side of the slide table (108).

4. The adjustable lathe for machining the hydraulic cylinder telescopic rod according to claim 3, characterized in that, The slide block (201) is slidably engaged with the support slide rail (105). The middle part of the slide block (201) is slidably engaged with the first lead screw (106). The two sides of the slide block (201) are screwed and engaged with the second lead screw (107). The tail seat body (202) is fixedly installed on the upper side of the slide block (201). The tail seat body (202) is rotatably mounted with a clamping seat (204) through a bearing (203) on the rear side. The clamping seat (204) is fixedly clamped with a chuck (205) through bolts on the rear side.

5. The adjustable lathe for machining hydraulic cylinder telescopic rods according to claim 4, characterized in that, A first light rod (301) is fixedly installed at the top between the main equipment (102) and the support side frame (104). A third lead screw (302) is rotatably installed between the main equipment (102) and the support side frame (104). A slider (303) is screwed onto the side surface of the third lead screw (302). The upper end of the slider (303) is slidably sleeved with the first light rod (301). The slider (303) is fixedly installed on the upper end of the base ring (304).

6. The adjustable lathe for machining the hydraulic cylinder telescopic rod according to claim 5, characterized in that, The base ring (304) is fixedly installed with sliding support rods (305) on both sides, and the bed body (101) is fixedly installed with second light rods (306) on both sides. The side surface of the second light rod (306) is slidably sleeved with the lower end of the sliding support rod (305).

7. The adjustable lathe for machining hydraulic cylinder telescopic rods according to claim 6, characterized in that, A hollow worm gear (307) is rotatably mounted inside the base ring (304). A bevel gear ring (308) is fixedly mounted on the rear surface of the hollow worm gear (307). One side of the hollow worm gear (307) meshes with the worm (309). A snap-fit ​​end (310) is fixedly mounted on the upper end of the worm (309). The rear surface of the bevel gear ring (308) meshes with the bevel gear (311). The middle part of the bevel gear (311) is screwed into the No. 4 lead screw (312).

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