Machine tool with quick clamping function

Abstract

The utility model belongs to the technical field of machine tools, and particularly relates to a machine tool with a rapid clamping function, which comprises a machine body and a processing device, a sliding groove is arranged on the end face of the machine body, a first sliding block is arranged in the sliding groove in a sliding mode, and a clamping block used for clamping a workpiece is arranged on the end face of the first sliding block in a sliding mode. A threaded rod is rotationally arranged between the clamping blocks, a sliding sleeve is arranged outside the threaded rod in a sliding mode, a positioning plate is arranged outside the sliding sleeve, and the positioning plate forms a circular column capable of synchronously expanding or retracting outwards. By arranging the sliding sleeve, the positioning plate, the groove and other structures, the inner wall of the workpiece can be supported while the workpiece is positioned, the workpiece is prevented from being deformed when clamped, the machining quality is effectively improved, meanwhile, the groove can guide the workpiece with the square outer part and the round inner part, and the clamping efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to lathe technical field especially, relate to a lathe with quick clamping function. BACKGROUND

[0002] Lathe refers to the machine that makes machines and machinery, and it processes the blank or workpiece of metal or other materials to make it obtain the required geometric shape, size accuracy and surface quality. Lathe can also be divided into metal cutting machine tool, woodworking machine tool, special processing machine tool, forging and pressing machinery and other types to meet different processing needs.

[0003] The utility model discloses a kind of lathe with special-shaped part clamping function, belong to lathe field, including bed, be equipped with headstock and tool rest on bed, main shaft is installed on headstock, spring chuck is installed on main shaft, main shaft is hollow, pull tube is equipped in main shaft, one end of pull tube is connected with the spring chuck, the other end is equipped with locating nut, locating nut is installed with locating screw, pull tube is also equipped with material pushing rod and reset spring sleeved on material pushing rod, pull tube is also connected with pull tube driving mechanism;Main shaft, spring chuck, pull tube, material pushing rod, locating screw are coaxial;It also includes material pushing rod installed on bed, material pushing rod includes material containing groove and material outlet communicated with material containing groove, lower outlet, the shape of material containing groove, the shape of inner groove of spring chuck are all adapted to special-shaped part.The utility model is simple in structure, reasonable in design, and can quickly and efficiently realize the clamping of special-shaped part, loading operation.

[0004] In prior art, by setting material pushing rod, the state when special-shaped part feeding can be consistent with the state when clamping, so that it is not necessary to set complex special-shaped part state adjusting mechanism, but there are still the following problems in overall use: first, the existing technology is poor in fixing effect when clamping special-shaped workpiece, for example, when clamping outer square inner circle special-shaped tube, workpiece internal deformation is easily caused, which affects production quality, second, when clamping workpiece, the position of workpiece needs to be positioned manually, which affects clamping speed and leads to low clamping efficiency. Utility model content

[0005] The utility model discloses in order to overcome the insufficient of prior art, provide a kind of lathe with quick clamping function, by setting multiple first sliding block and clamping block and other structures, workpiece outside can be clamped, and the surface of workpiece is buffered when clamping, to effectively improve processing quality, by setting sliding sleeve and positioning plate and groove and other structures, workpiece inner wall can be supported while being positioned, prevent workpiece from being deformed when clamping, to effectively improve processing quality, while groove can also guide the workpiece of outer square inner circle, improve clamping efficiency.

[0006] The utility model discloses in order to realize above-mentioned purpose provides following technical scheme: a machine tool with quick clamping function, including fuselage, processing device, the end surface of fuselage is provided with a plurality of chutes, the inside of a plurality of chutes all slide and are provided with first sliding block, the end surface of first sliding block is provided with the clamping block for clamping workpiece and slide, a plurality of clamping blocks are provided with threaded rod and rotate, the outside of threaded rod is provided with sliding sleeve and slide, the outside of sliding sleeve is provided with a plurality of locating plate, a plurality of locating plate forms the circular column that can synchronous outward expansion or retraction.

[0007] Preferably, the bottom end surface of the first sliding block is provided with a connecting plate, and the bottom of the connecting plate is provided with a sliding plate outside the threaded rod.

[0008] Preferably, the bottom end of the connecting plate is rotatably provided with a first connecting rod, and the other end of the first connecting rod is rotatably provided with a first rotary connecting piece.

[0009] Preferably, the end surface of the fuselage is provided with a plurality of sliding rails, and the outside of the sliding rails is rotatably provided with a second sliding block.

[0010] Preferably, the end surface of the first sliding block is provided with a limiting chute, and the inside of the limiting chute is rotatably provided with a limiting sliding block.

[0011] Preferably, the outside of the sliding sleeve is rotatably provided with a plurality of second connecting rods, and the outside of the locating plate is rotatably connected with the second connecting rod.

[0012] Preferably, the outside of the threaded rod is provided with a fixed cylinder on the end surface of the first sliding block, and the outer circular surface of the fixed cylinder is provided with a plurality of second rotary connecting pieces.

[0013] Preferably, the end surface of the locating plate is provided with a plurality of grooves.

[0014] Compared with the prior art, the beneficial effects of the present scheme are:

[0015] (1) The utility model discloses a set up multiple first sliding block and clamping block etc. structure, can make multiple clamping block synchronous movement to the center, can be clamped to the workpiece outside, through the clamping block on the first sliding block end face, can be buffered to the workpiece surface, prevent the clamping block from damaging the workpiece surface when clamping the workpiece surface to the effective improvement processing quality;

[0016] (2) The utility model discloses a set up sliding sleeve and positioning board and recess etc. structure, make positioning board when expanding to the outside can be positioned to the workpiece of circular inner hole, and support the workpiece inner wall, prevent the workpiece from deforming when being clamped to the effective improvement processing quality, and through positioning board can be with the workpiece sleeve in the outside of positioning board, make the device automatic positioning to the workpiece to improve the positioning efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the first perspective solid drawing of the utility model;

[0018] Figure 2 It is Figure 1 The partial close -up of A in the middle;

[0019] Figure 3 It is the second perspective solid drawing of the utility model;

[0020] Figure 4 It is the front view of the utility model;

[0021] Figure 5 It is Figure 4 The solid sectional view of B-B in the middle;

[0022] Figure 6 It is Figure 5 The partial close -up of C in the middle;

[0023] In the drawing: fuselage 10, processing device 11, sliding chute 12, first sliding block 13, stopper 14, clamping block 15, buffer spring 16, rubber pad 17, limit sliding chute 18, limit sliding block 19, slide rail 20, second sliding block 21, 22, connecting plate 23, first connecting rod 24, first rotary connecting piece 25, slide plate 26, threaded rod 27, drive motor 28, sliding sleeve 29, second connecting rod 30, fixed cylinder 31, second rotary connecting piece 32, third connecting rod 33, positioning board 34, recess 35, threaded sleeve 36. DETAILED DESCRIPTION

[0024] In order to make the personnel in the technical field better understand the utility model scheme, below will combine the drawing in the embodiment of the utility model, and the technical scheme in the embodiment of the utility model is clearly and completely described. Example one:

[0025] ReferenceFigure 1 、 Figure 2 and Figure 3 The machine tool with quick clamping function comprises a machine body 10, a machining device 11, a plurality of sliding grooves 12 arranged on the end face of the machine body 10, a first sliding block 13 slidably arranged in each of the sliding grooves 12, a clamping block 15 slidably arranged on the end face of the first sliding block 13 and used for clamping a workpiece, a threaded rod 27 rotatably arranged between the clamping blocks 15, a sliding sleeve 29 slidably arranged on the outer portion of the threaded rod 27, and a plurality of positioning plates 34 arranged on the outer portion of the sliding sleeve 29 and forming a circular column which can be synchronously expanded or retracted outward.

[0026] In the scheme, the clamping components, such as the first sliding blocks 13 and the clamping blocks 15, on the end face of the machine body 10 are four groups, which are arranged in a two-by-two symmetry, and in actual conditions, one group of the first sliding blocks 13 and the like can be symmetrically arranged, and the empty sliding grooves 12 can be used as reference plates for positioning, which makes the device as a whole adapt to workpieces of various requirements and improves the flexibility of the device; the positioning plates 34 are in the shape of a circular arc, and after being slid inward, the positioning plates 34 can form a circular column, and during machining, the workpiece with a circular hole is sleeved on the outer portion of the circular column, and then the threaded rod 27 is started to make the positioning plates 34 expand outward to position the workpiece; the machining device 11 is a prior art, and will not be described in detail herein, and the main function is to perform machining operations, such as punching and milling, on the workpiece.

[0027] Referring to Figure 2 and Figure 3 The bottom end face of each of the first sliding blocks 13 is provided with a connecting plate 23, the bottom of each of the connecting plates 23 is slidably arranged on the outer portion of the threaded rod 27 and provided with a sliding plate 26, one end of the bottom of the connecting plate 23 is rotatably arranged with a first connecting rod 24, the other end of the first connecting rod 24 is rotatably arranged with a first rotary connecting piece 25, and the first rotary connecting piece 25 is rotatably connected with the sliding plate 26.

[0028] In the scheme, the first sliding blocks 13 are in the shape of T as a whole, and the bottom end face of each of the first sliding blocks 13 is provided with two connecting plates 23, which are used to be connected with the first connecting rods 24; when the sliding plate 26 moves downward, the first rotary connecting piece 25 moves downward, and at the same time, the first rotary connecting piece 25 moves downward to pull one end of the first connecting rod 24, and the connection between the first connecting rod 24 and the first rotary connecting piece 25 rotates; in the process of being pulled by the first rotary connecting piece 25, the first connecting rod 24 gradually inclines to the vertical direction, and moves the connecting plate 23 at one end to the center; when a plurality of connecting plates 23 synchronously move to the center, the clamping blocks 15 on the end face clamp the workpiece, so that the workpiece is more stable.

[0029] Referring to Figure 1 and Figure 2The end surface of the machine body 10 is provided with a plurality of sliding rails 20, the outer part of each sliding rail 20 is slidingly provided with a second sliding block 21, the top end surface of each second sliding block 21 is fixedly connected with the bottom end surface of the first sliding block 13.

[0030] In the scheme, the first sliding block 13 is limited by the sliding rails 20 and the second sliding blocks 21, when the first sliding block 13 is pulled by the bottom connecting plate 23, the bottom end surface of the first sliding block 13 is limited by the second sliding blocks 21, so that the first sliding block 13 can only slide on the end surface of the sliding rails 20, which limits the downward force of the first sliding block 13 and makes the first sliding block 13 slide on the end surface of the second sliding blocks 21 through the sliding rails 20, so that the first sliding block 13 clamps the workpiece.

[0031] Reference Figure 1 and Figure 2 The end surface of each first sliding block 13 is provided with a limiting sliding groove 18, the inner part of each limiting sliding groove 18 is slidingly provided with a limiting sliding block 19, each limiting sliding block 19 is fixedly connected with a clamping block 15, one side of each clamping block 15 is provided with a buffer spring 16, one end of each buffer spring 16 is provided with a stop block 14, and each stop block 14 is fixedly connected with the first sliding block 13.

[0032] In the scheme, the buffer spring 16 can form a buffer between the clamping block 15 and the stop block 14, preventing the pressure from being too large when the first sliding block 13 slides and damaging the surface of the workpiece, which can prevent the workpiece from deforming and effectively improve the quality of processing.

[0033] Reference Figure 4 、 Figure 5 and Figure 6 The outer part of the sliding sleeve 29 is rotatably provided with a plurality of second connecting rods 30, each second connecting rod 30 is rotatably connected with the outer part of a positioning plate 34, the outer part of the threaded rod 27 is provided with a fixed cylinder 31 on the end surface of the first sliding block 13, a plurality of second rotary connecting pieces 32 are arranged on the outer circular surface of the fixed cylinder 31, one end of each second rotary connecting piece 32 is rotatably provided with a third connecting rod 33, the third connecting rod 33 is rotatably connected with the positioning plate 34, and a plurality of recesses 35 are arranged on the end surface of the positioning plate 34.

[0034] In the scheme, the second connecting rod 30 is rotatably connected with the sliding sleeve 29 through the connecting piece, the sliding sleeve 29 is threadedly connected with the threaded rod 27, the bottom of the threaded rod 27 is provided with a driving motor 28 in the inner part of the machine body 10, the output shaft of the driving motor 28 is fixedly connected with the threaded rod 27; the top end surface of the threaded rod 27 is provided with an anti-dropping head, which can prevent the sliding sleeve 29 from falling off when sliding, thereby improving the stability of the device; the recesses 35 on the outer surface of the positioning plate 34 can increase the friction between the positioning plate 34 and the inner wall of the workpiece, preventing the workpiece from sliding on the outer surface of the positioning plate 34, thereby improving the supporting effect.

[0035] In use, the outer square and inner circular workpiece is sleeved on the outer surface of the positioning plate 34, and then the driving motor 28 is started, the driving motor 28 drives the threaded rod 27 to rotate, the threaded rod 27 drives the sliding sleeve 29 to slide downward, and the sliding sleeve 29 drives the second connecting rod 30 to move downward when sliding, and the connection between the sliding sleeve 29 and the second connecting rod 30 rotates when moving, so that the plurality of second connecting rods 30 synchronously push the positioning plate 34 outward, so that the outer surface of the positioning plate 34 abuts in the inner circular hole of the workpiece, thereby positioning the workpiece and supporting the inner wall of the workpiece.

[0036] In the process of rotating the threaded rod 27, the threaded sleeve 36 slides downward through the thread, and the sliding sleeve 36 drives the outer sliding plate 26 to slide downward when sliding downward, and the sliding plate 26 drives the plurality of first rotating connectors 25 on the top end surface to move downward, and the first rotating connector 25 drives one end of the plurality of first connecting rods 24 on the top to move downward, and the connection between the first connecting rod 24 and the first rotating connector 25 rotates when the first connecting rod 24 moves downward, so that the first connecting rod 24 gradually rotates to the vertical state, and the first connecting rod 24 drives the connecting plate 23 at one end to move in the process of rotating by the first rotating connector 25 constantly pulling the first connecting rod 24, the connecting plate 23 drives the first sliding block 13 on the top to move, and the clamping block 15 on the end surface of the first sliding block 13 moves, and the clamping block 15 contacts the workpiece, and the clamping block 15 will extrude the buffer spring 16 on one side, and the buffer spring 16 is arranged to form a buffer between the clamping block 15 and the stop block 14, thereby preventing the workpiece from being deformed due to excessive pressure of the clamping block 15, and the rubber pad 17 on one side of the clamping block 15 abuts against the outer surface of the workpiece, preventing the clamping block 15 from scratching the workpiece, thereby improving the machining quality.

[0037] Some terms are used in the description and claims herein to refer to certain components. As one skilled in the art will appreciate, hardware manufacturers can refer to a component by different names. This description and claims should not be construed as limited to the names selected for the components listed herein. The description and claims should be read to include all components irrespective of the terminology or category. As used throughout this description and in the claims, "comprising" is used in the sense of "including", and thus should be interpreted to mean "including but not limited to". "Approximately" means within an acceptable error range for the corresponding function, which will be understood by one of ordinary skill in the art.

[0038] It is to be understood that the terminology "including", "comprising", or any other variation thereof, is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises a... " does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0039] The foregoing specification has been set forth to illustrate and describe the preferred embodiments of the present application and is not intended to be exhaustive or to be construed as limiting the application to the precise forms disclosed. As mentioned above, the above specification is presented to enable any person skilled in the art to make and use the application as claimed. Numerous modifications and adaptations thereof will be apparent to those skilled in the art without departing from the spirit and scope of the application as set forth in the claims.

Claims

1. A machine tool with a quick clamping function, comprising a machine body (10) and a processing device (11), characterized in that, The end face of the machine body (10) is provided with a plurality of sliding grooves (12), and a first slider (13) is slidably arranged inside each of the plurality of sliding grooves (12). A clamping block (15) for clamping the workpiece is slidably arranged on the end face of the first slider (13). A threaded rod (27) is rotatably arranged between the plurality of clamping blocks (15). A sliding sleeve (29) is slidably arranged outside the threaded rod (27). A plurality of positioning plates (34) are arranged outside the sliding sleeve (29). The plurality of positioning plates (34) form a circular column that can expand or retract synchronously.

2. A machine tool with a quick clamping function according to claim 1, characterized in that, A connecting plate (23) is provided on the bottom end face of each of the first sliders (13), and a sliding plate (26) is slidably provided on the bottom of the connecting plate (23) outside the threaded rod (27).

3. A machine tool with a quick clamping function according to claim 2, characterized in that, The bottom end of the connecting plate (23) is rotatably provided with a first connecting rod (24), and the other end of the first connecting rod (24) is rotatably provided with a first rotating connector (25). Each of the first rotating connectors (25) is rotatably connected to the corresponding slide plate (26).

4. A machine tool with a quick clamping function according to claim 1, characterized in that, Multiple slide rails (20) are provided on the end face of the body (10), and a second slider (21) is slidably provided on the outside of each slide rail (20). The top end face of the multiple second sliders (21) is fixedly connected to the bottom end face of the first slider (13).

5. A machine tool with a quick clamping function according to claim 4, characterized in that, Limiting grooves (18) are provided on the end faces of multiple first sliders (13). Limiting sliders (19) are provided inside the limiting grooves (18). The limiting sliders (19) are fixedly connected to the clamping blocks (15). A buffer spring (16) is provided on one side of the clamping block (15). A stop block (14) is provided at one end of the buffer spring (16). The stop block (14) is fixedly connected to the first sliders (13).

6. A machine tool with a quick clamping function according to claim 1, characterized in that, The sliding sleeve (29) is provided with a plurality of second links (30) for external rotation, and the plurality of second links (30) are respectively connected to the external rotation of the positioning plate (34).

7. A machine tool with a quick clamping function according to claim 6, characterized in that, A fixed cylinder (31) is provided on the outer surface of the threaded rod (27) and the end face of the first slider (13). A plurality of second rotating connectors (32) are provided on the outer circular surface of the fixed cylinder (31). A third connecting rod (33) is rotatably provided at one end of the second rotating connector (32). The third connecting rod (33) is rotatably connected to the positioning plate (34).

8. A machine tool with a quick clamping function according to claim 1, characterized in that, Multiple grooves (35) are provided on the end faces of the multiple positioning plates (34).

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