CN2784111Y - Improved material-return device for lathe - Google Patents

Improved material-return device for lathe Download PDF

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Publication number
CN2784111Y
CN2784111Y CN 200520041299 CN200520041299U CN2784111Y CN 2784111 Y CN2784111 Y CN 2784111Y CN 200520041299 CN200520041299 CN 200520041299 CN 200520041299 U CN200520041299 U CN 200520041299U CN 2784111 Y CN2784111 Y CN 2784111Y
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China
Prior art keywords
push rod
lathe
discharging device
locator
screw
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Expired - Fee Related
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CN 200520041299
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Chinese (zh)
Inventor
李希共
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Individual
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Individual
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Priority to CN 200520041299 priority Critical patent/CN2784111Y/en
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Publication of CN2784111Y publication Critical patent/CN2784111Y/en
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Abstract

The utility model provides an improved material-return device for lathe, relating to a lathe. This improved material-return device for lathe is equipped in the pulling tube of the lathe, including a base, a first locater, a second locater, a push rod, a spring and a first barrier head. The base is fixedly connected with the first locater and the second locater, and the push rod passes through the center hole of two locaters and can slip along the axial direction; the spring and the first barrier head are sheathed between two locaters on the push rod, wherein the spring positions between the first locater and the first barrier head, and the first barrier head is fixedly connected with the push rod by a screw; the base is composed of two arc-shaped plates, and a certain interstice is arranged between two arc-shaped plates; the screw of the first barrier head can be adjusted through the interstice. The utility model has the characteristics of easy regulating, high machine precision of working piece and long service life.

Description

The lathe discharging device of improvement
Technical field
The utility model relates to a kind of lathe, the discharging device of a kind of improvement of particularly using on lathe.
Background technology
Lathe is widely used in the medium and small workpiece of processing, as: screw.Because the workpiece of processing is less, operation is shorter, and therefore in process, clamping workpiece and material returned operation just seem loaded down with trivial details especially, labour intensity height, inefficiency.
For this reason, many people design various devices, and it is loaded on the lathe in order to improve its working (machining) efficiency, provide a kind of " discharging device of instrument lathe " as Chinese patent 98212814.2.It comprises a columnar pedestal, and two locators that are connected as a single entity with pedestal are arranged on the pedestal, and push rod passes this two locators, and is provided with spring and the retaining head that is placed on the push rod between two locators, and the retaining head is connected on the push rod by screw.This discharging device is loaded in the chuck of instrument lathe.During clamping workpiece, workpiece is pressed push rod backward; After unclamping chuck, push rod ejects workpiece under the effect of spring.Therefore, after the workpiece completion of processing, withdrawing from of workpiece do not need to take out with hand, as long as unclamp chuck, improved operating efficiency, and security is higher.But for adapting to the processing request of different workpieces, the screw that often needs to regulate on the retaining head comes the retaining head is positioned to change the elastic force of spring to push rod, to satisfy actual production demand.And screw is in base interior, regulates very inconvenient.Simultaneously, discharging device can rotate with respect to trombone slide in chuck, and the wearing and tearing after use a period of time between discharging device and the trombone slide are obvious, influenced service life.
Summary of the invention
The purpose of this utility model is at the existing the problems referred to above of the discharging device of traditional lathe, and a kind of lathe discharging device of improvement is provided, and makes it can not only improve the processing work efficiency, also has the characteristics easy to adjust of installing simultaneously.
Another purpose of the present utility model is: the service life of improving discharging device and trombone slide.
The purpose of this utility model can realize by following technical proposal: the lathe discharging device of this improvement, be installed in the trombone slide of lathe, comprise pedestal, first locator, second locator, push rod, spring, the first retaining head, described pedestal is fixedlyed connected with second locator with first locator, push rod passes the centre bore of two locators, and can slide vertically, be with the spring and the first retaining head between two locators on the push rod, its medi-spring is between first locator and the first retaining head, the first retaining head is fixedlyed connected with push rod by screw, it is characterized in that: described pedestal is made up of two arc plates, leaves certain clearance between these two arc plates.Seeing through described gap can regulate the screw on the first retaining head.
When not having clamping workpiece, spring is pushed the retaining head makes the leading section of push rod stretch out chuck.When workpiece is installed, workpiece is pressed in the chuck, push rod is inwardly shunk, piece-holder is lived in row processing after tightening up chuck.After the workpiece completion of processing, unclamp chuck, workpiece will outwards eject under the effect of push rod.During for the different workpiece of processing, need sometimes that retaining is nose heave newly positions to first by regulating first grade of screw on the head.On pedestal, be provided with the gap, just can regulate screw easily, and not need whole discharging device is disassembled in trombone slide, improved operating efficiency.
In the lathe discharging device of above-mentioned improvement, described two arc plates extend vertically at the second locator place, and its leading section opens slightly.
Usually, the front end of these two arc plates is provided with the retaining edge.After this device was loaded on trombone slide, this retaining was along being buckled on the trombone slide mouth of pipe.
In the lathe discharging device of above-mentioned improvement, in second locator, have screw, and be provided with dog screw.When this discharging device is installed in the trombone slide, need open an aperture in the corresponding position of trombone slide, dog screw is passed this aperture, be screwed in the screw, this discharging device can be fixed in the trombone slide.
In above-mentioned lathe discharging device, also be provided with the second retaining head between the described push rod leading section and second locator, the second retaining head is fixed on the push rod.The second retaining head moves distance after in order to the restriction push rod.
In above-mentioned lathe discharging device, described push rod leading section is provided with cuts somebody's hair, and cutting somebody's hair links by screw thread and push rod.
Usually, above-mentioned cutting somebody's hair is cylindric, and the one end has a bottom surface, and push rod is joining with its bottom surface.
Compared with prior art, in the lathe discharging device of improvement of the present utility model because pedestal is to be made of two arc plates, outside the screw on retaining head and the retaining head is exposed to.Therefore, when regulating, operate just very convenient for adapting to the processing different workpieces.
In addition, the second retaining head that the spring other end is provided with moves distance after limiting push rod, thereby each workpiece is consistent in the position that adds man-hour, to improve the machining accuracy of workpiece.
In addition, the dog screw on the second locator sidewall embeds in the trombone slide of lathe, makes whole discharging device can not rotate with respect to trombone slide, has avoided the wearing and tearing of discharging device, thereby has prolonged the service life of this device; Simultaneously, also can improve the crudy of workpiece.
Description of drawings
Fig. 1 is that the lathe discharging device of the utility model improvement is loaded on the sectional side elevation in the lathe trombone slide.
Fig. 2 is the structural representation of the lathe discharging device of the utility model improvement.
Fig. 3 is a kind of structural representation of cutting somebody's hair in the utility model.
Fig. 4 is an another kind of structural representation of cutting somebody's hair in the utility model.
Among the figure, 1, pedestal; 1a, arc plates; 1b, retaining edge; 2, first locator; 3, second locator; 4, push rod; 5, spring; 6, the first retaining head; 7, the second retaining head; 8, cut somebody's hair; 8a, bottom surface; 8b, cylindrical shell; 8c, barred body; 9, dog screw; 10, screw; 11, chuck; 12, trombone slide; 12a, aperture.
The specific embodiment
As depicted in figs. 1 and 2, the lathe discharging device of this improvement is installed on trombone slide 12 inboards of lathe.It by pedestal 1, first locator 2, second locator 3, push rod 4, spring 5, first retaining, 6, second retaining 7, cut somebody's hair 8, parts such as dog screw 9 and screw 10 are formed.
As depicted in figs. 1 and 2, pedestal 1 is two arc plates 1a, and arc plates 1a is connected on the sidewall of two locators 2,3, and left-right symmetry distributes.Between two arc plates 1a, form a gap.By this gap, can be easily the screw 10 on first retaining 6 be regulated.
Retaining on the arc plates 1a is buckled on the mouth of pipe of trombone slide 12 along 1b.In the present embodiment, arc plates 1a is welded on the sidewall of two locators 2,3, and its leading section opens slightly.Usually, it is that material is made that arc plates 1a adopts elastic sheet metal, has certain elasticity.After inserting pedestal 1 in the trombone slide 12, utilize the open slightly arc plates of pedestal 1 leading section 1a, pedestal 1 is a tight fit in trombone slide 12, avoid occurring loosening phenomenon.
Push rod 4 passes the centre bore of these two locators 2,3, and can endwisely slip within it.Be provided with spring 5 between two locators 2,3, spring 5 is placed on the push rod 4.The front end of spring 5 is provided with that first retaining 6, the first retainings 6 are placed on the push rod 4 and is fastening by screw 10.Certainly, just can adjust the axial location of first retaining 6 on push rod 4, thereby change the elastic force of 5 pairs of push rods 4 of spring by adjustment screw 10.
As shown in Figure 1, a screw is arranged on the sidewall of second locator 3.After this device is inserted trombone slide 12, on trombone slide 12, open an aperture 12a corresponding to the position of above-mentioned screw, make dog screw 9 pass aperture 12a and connect with the screw of second locator 3, just this discharging device can be fixed in the trombone slide 12.
Also be provided with second retaining 7, the second retainings 7 between push rod 4 leading sections and second locator 3 and be placed on the push rod 4, can limit push rod 4 after move distance.Second retaining 7 also is fixed on the push rod 4 by screw 10.By the gap between two arc plates 1a, can be easily the screw 10 on second retaining 7 be regulated, and then determined the axial location of second retaining 7 on push rod 4.
What as shown in Figure 1, the leading section of push rod 4 can connect different shape or size cuts somebody's hair 8.As shown in Figure 3, cutting somebody's hair 8 is cylindric, and the one end has a bottom surface 8a, the center drilling of bottom surface 8a, and push rod 4 links by screw thread with its bottom surface 8a.This is cylindraceous cuts somebody's hair 8 in use, both can be bottom surface 8a forward, whole cylindrical shell 8b left-hand thread 4 links with cutting somebody's hair in the leading section of push rod 4, also can be bottom surface 8a in the back, cylindrical shell 8b links with leading section push rod 4 preceding.The previous case is to be used for some workpiece solid, that just handle in Surface Machining; Latter event is to be used for the workpiece that some need be holed.
As shown in Figure 4, cutting somebody's hair 4 also can be a cylindrical shell 8b who has internal thread, is connected with a barred body 8c at the end of cylindrical shell 8b.Usually, the barred body 8c that is connected is thinner.When lathe is used to process the less workpiece of some sizes, can adopt this cutting somebody's hair.
Because what the head of push rod 4 can connect difformity and size cuts somebody's hair 8, so this device is suitable for different types of workpiece, and range of application is wider.
As depicted in figs. 1 and 2, when not having clamping workpiece, push rod 4 stretches out chuck 11 under the effect of spring 5.During clamping workpiece, workpiece is pressed in the chuck 11, makes push rod 4, again it is processed after workpiece is clamped to after-contraction.After the workpiece completion of processing, unclamp chuck 11, push rod 4 outwards ejects under the effect of spring 5.So just the workpiece that is positioned at chuck 11 places is ejected.In whole process, do not need the workman to take out workpiece, improved work efficiency, increased production security with hand.

Claims (8)

1, a kind of lathe discharging device of improvement, be installed in the trombone slide (12) of lathe, comprise pedestal (1), first locator (2), second locator (3), push rod (4), spring (5), the first retaining head (6), described pedestal (1) is fixedlyed connected with second locator (3) with first locator (2), push rod (4) passes two locators (2,3) centre bore, and can slide vertically, at last two locators (2 of push rod (4), 3) be with the spring (5) and the first retaining head (6) between, its medi-spring (5) is positioned between first locator (2) and the first retaining head (6), the first retaining head (6) is fixedlyed connected with push rod (4) by screw (10), it is characterized in that: described pedestal (1) is made up of two arc plates (1a), leaves certain clearance between these two arc plates (1a).
2, the lathe discharging device of improvement according to claim 1 is characterized in that, described two arc plates (1a) are located to extend vertically at second locator (3), and its leading section opens slightly.
3, the lathe discharging device of improvement according to claim 2 is characterized in that, the front end of described these two arc plates (1a) is provided with retaining along (1b).
4, according to the lathe discharging device of claim 1,2 or 3 described improvement, it is characterized in that, in second locator (3), have screw, and be provided with dog screw (9).
According to the lathe discharging device of claim 1,2 or 3 described improvement, it is characterized in that 5, also be provided with the second retaining head (7) between described push rod (4) leading section and second locator (3), the second retaining head (7) is fixed on the push rod (4).
According to the lathe discharging device of claim 1,2 or 3 described improvement, it is characterized in that 6, described push rod (4) leading section is provided with cut somebody's hair (8), cut somebody's hair (8) link by screw thread and push rod (4).
7, the lathe discharging device of improvement according to claim 6 is characterized in that, described cutting somebody's hair (8) is cylindric, and the one end has a bottom surface (8a), and push rod (4) is joining with its bottom surface (8a).
8, the lathe discharging device of improvement according to claim 6 is characterized in that, described cutting somebody's hair (4) is a cylindrical shell (8b) that has internal thread, is connected with a barred body (8c) at an end of cylindrical shell (8b).
CN 200520041299 2005-04-29 2005-04-29 Improved material-return device for lathe Expired - Fee Related CN2784111Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200520041299 CN2784111Y (en) 2005-04-29 2005-04-29 Improved material-return device for lathe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200520041299 CN2784111Y (en) 2005-04-29 2005-04-29 Improved material-return device for lathe

Publications (1)

Publication Number Publication Date
CN2784111Y true CN2784111Y (en) 2006-05-31

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102909588A (en) * 2012-11-21 2013-02-06 铜陵市永生机电制造有限责任公司 Automatic positioning pop-up jig
CN108827694A (en) * 2018-08-02 2018-11-16 贵州大学 A kind of karst soil Rocky Desertification Control water and soil detection device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102909588A (en) * 2012-11-21 2013-02-06 铜陵市永生机电制造有限责任公司 Automatic positioning pop-up jig
CN108827694A (en) * 2018-08-02 2018-11-16 贵州大学 A kind of karst soil Rocky Desertification Control water and soil detection device

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