CN213559908U

CN213559908U - Machine tool tailstock

Info

Publication number: CN213559908U
Application number: CN202022576757.9U
Authority: CN
Inventors: 萧德盛; 陈肇辉
Original assignee: Foshan Kaimude Machinery Co ltd
Current assignee: Foshan Kaimude Machinery Co ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-06-29
Anticipated expiration: 2030-11-10

Abstract

The utility model provides a tailstock of a machine tool, which comprises a thimble, a support, a mandrel, a spring, a front baffle, a rear baffle, an upper slide block, an upper slide rail, a connecting plate, a rack plate, a gear shaft, a handle and a bottom plate; the thimble is connected with a support, the support is connected with the mandrel in a sliding manner, the mandrel is relatively fixed with the rear baffle, the spring is sleeved on the mandrel, the support is abutted against the front end of the spring, and the rear end of the spring is relatively fixed with the mandrel; the support is connected with the upper sliding block, the upper sliding block is connected with the upper sliding rail in a sliding manner, the upper sliding rail is connected with the connecting plate, the upper sliding block is connected with the rack plate, the connecting plate is rotatably connected with the gear shaft, the gear shaft is meshed with the rack plate, and the handle is connected with the gear shaft; the front baffle and the rear baffle are respectively connected with the front end and the rear end of the connecting plate, and the upper slide rail and the upper slide block are arranged between the front baffle and the rear baffle; the bottom plate is connected with the connecting plate and is used for connecting a machine tool. The utility model has the advantages that machining efficiency is high.

Description

Machine tool tailstock

Technical Field

The utility model belongs to the machine tool field, in particular to machine tool tailstock.

Background

Be equipped with the slide rail on the lathe and be used for connecting the lathe tailstock, be equipped with the bolt on the lathe tailstock and be used for with the slide rail reciprocal anchorage of lathe, when the position of lathe tailstock on the lathe needs to be adjusted, need unscrew the bolt. Before the workpiece is taken down and clamped, the tailstock of the machine tool needs to be adjusted, so that the bolt needs to be loosened; before the workpiece is machined, the bolt needs to be tightened so that the tailstock of the machine tool and the machine tool are fixed with each other. The problems in the prior art are that the position of a tailstock of a machine tool needs to be adjusted by frequently screwing a bolt in the process of machining a workpiece, the number of machining actions is large, and the machining efficiency is low.

Therefore, the prior art is in need of improvement.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the existing machine tool tailstock has low processing efficiency.

In order to achieve the above purpose, the specific technical solution of the present invention is as follows:

a tailstock of a machine tool comprises a thimble, a support, a mandrel, a spring, a front baffle, a rear baffle, an upper slide block, an upper slide rail, a connecting plate, a rack plate, a gear shaft, a handle and a bottom plate; the thimble is connected with the support, the support is connected with the mandrel in a sliding manner, the mandrel is relatively fixed with the rear baffle, the spring is sleeved on the mandrel, the support is abutted against the front end of the spring, and the rear end of the spring is relatively fixed with the mandrel; the support is connected with the upper sliding block, the upper sliding block is connected with the upper sliding rail in a sliding mode, the upper sliding rail is connected with the connecting plate, the upper sliding block is connected with the rack plate, the connecting plate is rotatably connected with the gear shaft, the gear shaft is meshed with the rack plate, and the handle is connected with the gear shaft; the front baffle and the rear baffle are respectively connected with the front end and the rear end of the connecting plate, and the upper slide rail and the upper slide block are arranged between the front baffle and the rear baffle; the bottom plate is connected with the connecting plate and used for being connected with a machine tool.

As a further improvement of the above technical scheme, the improved structure further comprises a nut sleeve, a fixing sleeve and a fixing screw, wherein the nut sleeve is sleeved on the mandrel, a connecting through hole is formed in the rear baffle, the nut sleeve is connected with the connecting through hole, the fixing sleeve is sleeved at one end of the mandrel, the end part of the mandrel is connected with the fixing sleeve through the fixing screw, and the fixing sleeve is connected with the nut sleeve.

As a further improvement of the technical scheme, the protective cover further comprises a through groove, the lower portion of the protective cover is provided with the through groove, the protective cover is connected with the support, and the nut sleeve and the rear baffle can move in the through groove.

As a further improvement of the technical scheme, the gear shaft connecting device further comprises a bearing, and the bearing is arranged between the gear shaft and the connecting plate.

As a further improvement of the above technical scheme, the device further comprises a mounting plate, a lower slider, a lower slide rail, a lead screw bearing seat and a lead screw nut, wherein the mounting plate is connected with the connecting plate, the lower slider and the lower slide rail are respectively connected with the mounting plate and the bottom plate, the lower slider is connected with the lower slide rail in a sliding manner, and the lower slide rail is parallel to the upper slide rail; the screw rod bearing block and the screw rod nut are connected with the screw rod, the screw rod bearing block and the screw rod nut are respectively connected with the mounting plate and the bottom plate, and the screw rod is parallel to the lower sliding rail.

The beneficial effects of the utility model reside in that: the gear shaft is driven to rotate through the handle, the gear shaft drives the rack plate to translate, the support translates along with the rack plate, the upper sliding block translates relative to the upper sliding rail in the translation process of the support, the translation path of the support is parallel to the upper sliding rail, the translation range of the support is between the front baffle and the rear baffle, the spring is compressed in the translation process of the support, the spring is compressed to place a peripheral workpiece near the ejector pin, the spring drives the support to reset after the handle is released, the ejector pin compresses the peripheral workpiece, and then the peripheral workpiece can be processed; after the processing is finished, the support is driven by the handle to translate so as to take down the externally-arranged workpiece from the thimble. The utility model has the advantages that, can quick clamping work piece, after the kind of the work piece of more changing the peripheral hardware, if the length difference of the different work pieces around changing is very big, just need change the position of this lathe tailstock on the lathe. Therefore, the utility model discloses have the production action of simplifying, improve machining efficiency's benefit.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is an exploded view of the present invention.

In the figure: 1-thimble, 2-support, 3-protective cover, 4-mandrel, 5-fixed sleeve, 6-spring, 7-nut sleeve, 8-upper slide block, 9-upper slide rail, 10-front baffle, 11-rear baffle, 12-connecting plate, 13-rack plate, 14-gear shaft, 15-handle, 16-mounting plate, 17-bottom plate, 18-fixing screw, 19-bearing, 20-lower slide block, 21-lower slide rail, 22-lead screw, 23-lead screw bearing seat and 24-lead screw nut.

Detailed Description

The invention will be described in detail with reference to the following embodiments.

Fig. 1 to 2 illustrate an embodiment of the present invention, specifically:

a tailstock of a machine tool comprises a thimble 1, a support 2, a mandrel 4, a spring 6, a front baffle 10, a rear baffle 11, an upper slide block 8, an upper slide rail 9, a connecting plate 12, a rack plate 13, a gear shaft 14, a handle 15 and a bottom plate 17; the thimble 1 is connected with the support 2, the support 2 is connected with the mandrel 4 in a sliding manner, the mandrel 4 is relatively fixed with the rear baffle 11, the spring 6 is sleeved on the mandrel 4, the support 2 is abutted against the front end of the spring 6, and the rear end of the spring 6 is relatively fixed with the mandrel 4; the support 2 is connected with the upper sliding block 8, the upper sliding block 8 is slidably connected with the upper sliding rail 9, the upper sliding rail 9 is connected with the connecting plate 12, the upper sliding block 8 is connected with the rack plate 13, the connecting plate 12 is rotatably connected with the gear shaft 14, the gear shaft 14 is meshed with the rack plate 13, and the handle 15 is connected with the gear shaft 14; the front baffle 10 and the rear baffle 11 are respectively connected with the front end and the rear end of the connecting plate 12, and the upper slide rail 9 and the upper slide block 8 are arranged between the front baffle 10 and the rear baffle 11; the base plate 17 is connected with the connecting plate 12, and the base plate 17 is used for connecting a machine tool.

The principle of the utility model is that, it is rotatory to drive gear shaft 14 through handle 15, gear shaft 14 drives rack plate 13 translation, support 2 translates along with rack plate 13 jointly, the in-process top shoe 8 of support 2 translation translates for last slide rail 9, the path of support 2 translation is parallel with last slide rail 9, the scope of support 2 translation is between preceding baffle 10 and backplate 11, spring 6 is compressed in-process of support 2 translation, place the work piece of peripheral hardware near thimble 1 after spring 6 is compressed, spring 6 drives support 2 and resets after loosening handle 15, thimble 1 compresses tightly the work piece of peripheral hardware, then can process the work piece of peripheral hardware; after the processing is finished, the handle 15 drives the support 2 to translate to take the external workpiece off the thimble 1. The utility model has the advantages that, can quick clamping work piece, after the kind of the work piece of more changing the peripheral hardware, if the length difference of the different work pieces around changing is very big, just need change the position of this lathe tailstock on the lathe. Therefore, the utility model discloses have the production action of simplifying, improve machining efficiency's benefit.

In some embodiments, the fixing device further comprises a nut sleeve 7, a fixing sleeve 5 and a fixing screw 18, wherein the nut sleeve 7 is sleeved on the core shaft 4, a connecting through hole is formed in the back baffle 11, the nut sleeve 7 is connected with the connecting through hole, the fixing sleeve 5 is sleeved at one end of the core shaft 4, the end of the core shaft 4 is connected with the fixing sleeve 5 through the fixing screw 18, and the fixing sleeve 5 is connected with the nut sleeve 7. A fixing sleeve 5 and a fixing screw 18 are used to fix the end of the spindle 4, and a nut sleeve is used to interconnect the spindle 4 and the backplate 11.

Further, still include safety cover 3, the lower part of safety cover 3 is equipped with logical groove, safety cover 3 with support 2 is connected, swivel nut 7 and backplate 11 all can remove in leading to the groove. The machining process of the machine tool often has splashed fragments, the protective cover 3 is arranged to protect the part of the mandrel 4 exposed between the nut sleeve and the support 2 and protect the spring 6, so that the spring 6 cannot be exposed.

In some embodiments, a bearing 19 is further included, and the bearing 19 is disposed between the gear shaft 14 and the connecting plate 12. Since the gear shaft 14 is rotatably connected to the connecting plate 12, a bearing 19 is provided to reduce friction between the gear shaft 14 and the connecting plate 12.

In some embodiments, the device further comprises a mounting plate 16, a lower slider 20 and a lower slide rail 21, wherein the mounting plate 16 is connected to the connecting plate 12, the lower slider 20 and the lower slide rail 21 are respectively connected to the mounting plate 16 and the bottom plate 17, the lower slider 20 is slidably connected to the lower slide rail 21, and the lower slide rail 21 is parallel to the upper slide rail 9.

Further, the connecting device further comprises a mounting plate 16, a lower slide block 20, a lower slide rail 21, a screw rod 22, a screw rod bearing block 23 and a screw rod nut 24, wherein the mounting plate 16 is connected with the connecting plate 12, the lower slide block 20 and the lower slide rail 21 are respectively connected with the mounting plate 16 and the bottom plate 17, the lower slide block 20 is slidably connected with the lower slide rail 21, and the lower slide rail 21 is parallel to the upper slide rail 9; the screw rod bearing seat 23 and the screw rod nut 24 are both connected with the screw rod 22, the screw rod bearing seat 23 and the screw rod nut 24 are respectively connected with the mounting plate 16 and the bottom plate 17, and the screw rod 22 is parallel to the lower slide rail 21. The tailstock of the machine tool of the embodiment is matched with an external power mechanism, and can move an external workpiece during machining so that the workpiece is machined while moving. The external power mechanism may be a motor or an oil cylinder, and the external power mechanism drives the screw rod 22, that is, the mounting plate 16 is driven to move along the lower slide rail 21.

The features of the embodiments and embodiments described above may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "length", "upper", "lower", "top", "bottom", "inner", "outer", "circumferential", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

It should be finally noted that the above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. A lathe tailstock which characterized in that: the ejector pin type gear rack comprises an ejector pin, a support, a mandrel, a spring, a front baffle, a rear baffle, an upper sliding block, an upper sliding rail, a connecting plate, a rack plate, a gear shaft, a handle and a bottom plate;

the thimble is connected with the support, the support is connected with the mandrel in a sliding manner, the mandrel is relatively fixed with the rear baffle, the spring is sleeved on the mandrel, the support is abutted against the front end of the spring, and the rear end of the spring is relatively fixed with the mandrel;

the support is connected with the upper sliding block, the upper sliding block is connected with the upper sliding rail in a sliding mode, the upper sliding rail is connected with the connecting plate, the upper sliding block is connected with the rack plate, the connecting plate is rotatably connected with the gear shaft, the gear shaft is meshed with the rack plate, and the handle is connected with the gear shaft;

the front baffle and the rear baffle are respectively connected with the front end and the rear end of the connecting plate, and the upper slide rail and the upper slide block are arranged between the front baffle and the rear baffle;

the bottom plate is connected with the connecting plate and used for being connected with a machine tool.

2. The machine tool tailstock according to claim 1, characterized in that: still include nut cover, fixed cover and set screw, the nut cover is established on the dabber, be equipped with connect the via hole on the backplate, the nut cover with connect the via hole and connect, fixed cover is established the one end of dabber, the tip of dabber passes through set screw with fixed cover is connected, fixed cover with the nut cover is connected.

3. The machine tool tailstock according to claim 2, characterized in that: still include the safety cover, the lower part of safety cover is equipped with logical groove, the safety cover with the support is connected, nut cover and backplate homoenergetic are in it removes to lead to the inslot.

4. The machine tool tailstock according to claim 1, characterized in that: the gear shaft is arranged on the connecting plate, and the gear shaft is connected with the connecting plate through a bearing.

5. The machine tool tailstock according to claim 1, characterized in that: the mounting plate is connected with the connecting plate, the lower sliding block and the lower sliding rail are respectively connected with the mounting plate and the bottom plate, the lower sliding block is connected with the lower sliding rail in a sliding manner, and the lower sliding rail is parallel to the upper sliding rail; the screw rod bearing block and the screw rod nut are connected with the screw rod, the screw rod bearing block and the screw rod nut are respectively connected with the mounting plate and the bottom plate, and the screw rod is parallel to the lower sliding rail.