Lathe capable of centering cylindrical workpiece

Abstract

The utility model relates to the technical field of machining, and discloses a lathe capable of centering a cylindrical workpiece, which comprises a working table and the workpiece, the working table is provided with a sliding rail, a sliding component is arranged on the sliding rail in a sliding manner, two mirror image centering components are further arranged on the sliding component in a sliding manner, and the two components share one driving component. The driving assembly is composed of a motor, a transmission strip and two rotating shafts, the rotating shafts jointly sleeve the transmission strip to drive the centering assembly, the motor is fixedly connected with the rotating shaft on one side, the centering assembly comprises a second assembly body and a third assembly body which are fixedly connected, a movable centering piece is arranged in the third assembly body, and the two second assembly bodies are fixed to the two sides of the transmission strip respectively. The centering assembly is designed to comprise a fixedly-connected assembly body and a movable centering piece, the centering speed and precision are improved, the sliding assembly comprises a sliding plate, a sliding block and a sliding rod, it is ensured that the centering assembly slides in the same direction and relatively, the guiding function is achieved, and the movement stability is enhanced. The overall design enables the centering of the cylindrical workpiece to be more efficient and accurate.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical processing technical field, concretely is a lathe that can be to cylindrical workpiece centering. BACKGROUND

[0002] In the field of mechanical processing, the lathe is a kind of vital equipment, it is widely used to accurately process various shapes workpieces. Among them, the turning of cylindrical workpiece is particularly common. However, before turning cylindrical workpiece, how to ensure that the workpiece can be accurately centered, has been a difficult problem faced by technical personnel. The traditional centering method often depends on the experience and hand feeling of operator, which is not only inefficient, but also easy to introduce artificial error, resulting in low machining accuracy.

[0003] In order to solve this problem, a lathe that can be to cylindrical workpiece centering emerges as the times require. The original intention of the design of this lathe is to overcome the shortcomings of traditional centering method, such as relying on manual experience, unstable machining accuracy, etc. CONTENT OF THE UTILITY MODEL

[0004] (I) technical problem solved

[0005] In view of the deficiency of prior art, the utility model provides a lathe that can be to cylindrical workpiece centering, has the advantages of fast centering machining workpiece, solves the problem of turning cylindrical workpiece, traditional centering method often depends on the experience and hand feeling of operator, which is not only inefficient, but also easy to introduce artificial error, resulting in low machining accuracy.

[0006] (II) technical scheme

[0007] In order to realize the above-mentioned purpose of fast centering machining workpiece, the utility model provides the following technical scheme:

[0008] A lathe that can be to cylindrical workpiece centering, including workbench and processing piece, the workbench is opened in slide rail, the slide rail is slidably connected with sliding assembly, the sliding assembly is slidably provided with two mirror image symmetry centering assemblies, and one driving assembly is arranged on the two centering assemblies.

[0009] The driving assembly includes motor, transmission bar and two rotating shafts, the transmission bar for driving the centering assembly is commonly sleeved on the two rotating shafts, and the motor is fixedly installed with the rotating shaft on one side.

[0010] One of the centering assemblies includes second assembly body and third assembly body, the second assembly body is fixedly connected with the transmission bar, and the top end is fixed with the bottom end of the third assembly body.

[0011] Two second assemblies are respectively fixed on different sides of the transmission bar, and two third assemblies are internally provided with movable centering pieces.

[0012] The utility model discloses preferably technical scheme is at, the workbench upper end face still is equipped with thimble mechanism, clamping mechanism, thimble mechanism and clamping mechanism are collectively to the workpiece of processing and are clamped.

[0013] The utility model discloses preferably technical scheme is at, the sliding assembly includes the slide, two sliding blocks and two slide rods, the sliding block sets up the bottom of slide and the slide rail that the workbench is opened and is mutually cooperated, every slide rod all is with the both sides fixed of slide.

[0014] The utility model discloses preferably technical scheme is at, one the centering assembly still includes first assembly body, the first assembly body upper end with second assembly body lower end fixed, the first assembly body sleeve connection is in two slide rods.

[0015] The utility model discloses preferably technical scheme is at, the third assembly body still includes fixed part, two stable columns of different sides are fixedly installed in the middle part of fixed part, and every stable column all penetrates movable piece and is equipped with spring.

[0016] The utility model discloses preferably technical scheme is at, every spring is away from movable piece one side's fixed part inner wall all is equipped with the pressure sensor of spring end contact, and pressure sensor can close motor when reaching the preset pressure threshold value.

[0017] The utility model discloses preferably technical scheme is at, two the opposite surface of centering piece all are equipped with the centering surface of centering, the centering surface is smooth curved surface, and middle part and workpiece are located on the same horizontal plane.

[0018] (Three) beneficial effects

[0019] Compared with the prior art, the utility model provides a lathe capable of centering cylindrical workpieces, which has the following beneficial effects:

[0020] The lathe capable of centering cylindrical workpieces drives the transmission bar through the motor, so that the two centering assemblies can move synchronously, ensuring the accuracy of the centering operation.

[0021] The lathe capable of centering cylindrical workpieces is designed with a sliding assembly including a slide, sliding blocks and slide rods, which not only ensures the sliding of the centering assemblies in the same direction and relative sliding, but also provides a guiding function, enhancing the stability of the movement of the centering assemblies. DRAWINGS

[0022] Figure 1The utility model discloses a whole structure plan view;

[0023] Figure 2 It is the utility model middle sliding assembly, centring assembly and driving assembly cooperation perspective view;

[0024] Figure 3 It is the utility model middle sliding assembly, centring assembly and driving assembly cooperation planar side view;

[0025] Figure 4 It is the utility model middle centring assembly structure enlarged perspective view;

[0026] Figure 5 It is the utility model middle third assembly body planar section view;

[0027] Figure 6 It is Figure 2 Middle A structure enlarged schematic view.

[0028] In the drawing: 1, workbench;11, slide rail;2, thimble mechanism;3, clamping mechanism;4, workpiece;5, sliding assembly;51, slide plate;52, sliding block;53, slide rod;6, centring assembly;61, first assembly body;62, second assembly body;63, third assembly body;631, fixed part;6311, stabilizing column;632, centring part;6321, centring surface;633, pressure sensor;634, spring;7, driving assembly;71, motor;72, rotating shaft;73, transmission bar. DETAILED DESCRIPTION

[0029] The technical scheme in the embodiments of the utility model will be apparently and completely described below with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the range of protection of the utility model.

[0030] In the description of the utility model, it is understood that the orientation or position relation indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relation shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as the limitation of the utility model.

[0031] In the description of the utility model, it is necessary to explain that, unless there are definite provisions and limitations, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixed connection, also can be detachable connection, or integrally connected, it can be direct connection, also can be indirectly connected through intermediate medium, it can be the communication inside two elements, for ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0032] Please refer to Figures 1-6 A lathe that can be centered to cylindrical workpiece, including workbench 1 and processing piece 4, workbench 1 is opened with slide rail 11, slide rail 11 is slidably connected with sliding assembly 5, two mirror image symmetry centering assemblies 6 are slidably arranged on sliding assembly 5, and one drive assembly 7 is arranged on the two centering assemblies 6.

[0033] Drive assembly 7 includes motor 71, transmission bar 73 and two rotating shafts 72, the transmission bar 73 for driving centering assembly 6 is jointly sleeved on the two rotating shafts 72, and the motor 71 is fixedly installed with one side rotating shaft 72.

[0034] It should be noted that motor 71 acts as a power source, which drives transmission bar 73 to move through rotating shaft 72.

[0035] One centering assembly 6 includes second assembly body 62 and third assembly body 63, second assembly body 62 is fixedly connected with transmission bar 73, and the top end is fixed with the bottom end of third assembly body 63.

[0036] Two second assembly bodies 62 are fixed on different sides of transmission bar 73 respectively, and two third assembly bodies 63 are provided with movable centering pieces 632.

[0037] It should be noted that second assembly body 62 is fixedly connected with transmission bar 73, which plays a role in power transmission, and third assembly body 63 is responsible for installing movable centering piece 632, which directly contacts the cylindrical workpiece to be processed.

[0038] In the embodiment, the upper end surface of the workbench 1 is also provided with a thimble mechanism 2 and a clamping mechanism 3, and the thimble mechanism 2 and the clamping mechanism 3 clamp the workpiece 4 together.

[0039] It should be noted that the thimble mechanism 2 and the clamping mechanism 3 act together to ensure the stable clamping of the workpiece 4 on the workbench 1, which provides a basis for the centering operation.

[0040] In the embodiment, the sliding assembly 5 comprises a sliding plate 51, two sliding blocks 52 and two sliding rods 53. The sliding blocks 52 are arranged at the bottom of the sliding plate 51 and are matched with the sliding rails 11 on the workbench 1. Each sliding rod 53 is fixed to the two sides of the sliding plate 51.

[0041] It should be noted that the sliding plate 51 is matched with the sliding rails 11 through the sliding blocks 52, so as to realize free sliding in the horizontal direction.

[0042] In the embodiment, the centering assembly 6 further comprises a first assembly body 61. The upper end of the first assembly body 61 is fixed to the lower end of the second assembly body 62. The first assembly body 61 is sleeved on the two sliding rods 53.

[0043] It should be noted that the sliding rods 53 play a role in supporting and guiding, so as to ensure the stability of the movement of the centering assembly 6.

[0044] In the embodiment, the third assembly body 63 further comprises a fixing part 631. Two stable columns 6311 of different sides are fixedly installed in the middle part of the fixing part 631. Each stable column 6311 penetrates through the movable part and is sleeved with a spring 634.

[0045] It should be noted that the fixing part 631 is used for installing the centering part 632 and the stable column 6311. The stable column 6311 provides necessary elasticity and buffering effect for the centering part 632 through the sleeved spring 634, so as to ensure the smooth performance of the centering operation.

[0046] In the embodiment, the inner wall of the fixing part 631 away from the movable part of each spring 634 is provided with a pressure sensor 633 in contact with the tail end of the spring 634. The pressure sensor can shut down the motor 71 when reaching a preset pressure threshold.

[0047] It should be noted that the pressure sensor 633 can monitor the compression degree of the spring 634 in real time. When reaching a preset pressure threshold, the motor 71 can be automatically shut down to prevent damage to the workpiece or equipment caused by excessive centering.

[0048] In the embodiment, the opposite faces of the two centering parts 632 are provided with centering faces 6321. The centering faces 6321 are smooth curved surfaces and the middle parts thereof are located on the same horizontal plane as the workpiece 4.

[0049] It should be noted that the centering face 6321 is a smooth curved surface, which is not only beneficial to closely fit with the cylindrical workpiece to be processed, but also can reduce the frictional resistance, improve the efficiency and precision of the centering operation. Meanwhile, the middle part of the centering face 6321 is located on the same horizontal plane as the workpiece 4, so as to ensure the accuracy of the centering operation.

[0050] It should be further stated that the centering operation should be performed before processing. Meanwhile, the device is suitable for traditional lathes for workpiece rotary processing with constant height.

[0051] In summary: the cylindrical workpiece centering lathe, through the motor 71 drive transmission bar 73, can make two centering assembly 6 synchronous movement, ensure the accuracy of the centering operation, the design of the centering assembly 6, including the fixed connection of the second assembly body 62 and the third assembly body 63, and the movable centering piece 632, make the centering process more quickly and accurately.

[0052] The cylindrical workpiece centering lathe, through the design of the sliding assembly 5, including the sliding plate 51, the sliding block 52 and the sliding rod 53, not only ensures the same direction sliding and relative sliding of the centering assembly 6, but also provides the guiding function, enhances the stability of the movement of the centering assembly 6.

[0053] The cylindrical workpiece centering lathe, through the stable column 6311 of the sleeve spring 634, provides the necessary elasticity and buffer effect for the centering piece 632, which not only can prevent the damage of the workpiece or equipment caused by excessive centering, but also can ensure the smooth operation of the centering operation.

[0054] The cylindrical workpiece centering lathe, through the setting of the pressure sensor 633, can monitor the compression degree of the spring 634 in real time, and automatically turn off the motor 71 when the preset pressure threshold is reached, which not only improves the safety of the operation, but also avoids the quality problems caused by excessive centering.

[0055] The cylindrical workpiece centering lathe, through the reasonable design of the centering assembly 6, the centering surface 6321 is a smooth curved surface, which is beneficial to closely fit with the cylindrical workpiece being processed, reduces the friction resistance, improves the efficiency and precision of the centering operation.

[0056] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and its equivalents.

Claims

1. A lathe capable of centering a cylindrical workpiece, comprising a worktable and a workpiece, characterized in that: The workbench is provided with sliding rails, and sliding assemblies are slidably connected to the sliding rails. The driving assembly comprises a motor, a transmission bar and two rotating shafts. One of the centering assemblies comprises a second assembly body and a third assembly body. The second assembly bodies are fixed to different sides of the transmission bar.

2. A lathe capable of working on pairs of cylindrical workpieces according to claim 1, characterized in that: The third assembly bodies are provided with movable centering pieces.

3. A lathe capable of working on pairs of cylindrical workpieces according to claim 1, characterized in that: The workbench is provided with a needle mechanism and a clamping mechanism.

4. A lathe capable of working on pairs of cylindrical workpieces according to claim 3, characterized in that: The sliding assembly comprises a sliding plate, two sliding blocks and two sliding rods.

5. A lathe capable of working on pairs of cylindrical workpieces as claimed in claim 1, characterized in that: One of the centering assemblies further comprises a first assembly body.

6. A lathe capable of working on pairs of cylindrical workpieces according to claim 5, characterized in that: The third assembly body is further provided with a fixing piece.

7. A lathe capable of working on pairs of cylindrical workpieces as claimed in claim 1, characterized in that: The fixing piece is provided with two stable columns. The fixing piece is provided with a pressure sensor. The centering pieces are provided with centering surfaces. The centering surfaces are smooth curved surfaces.

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