CN218532833U

CN218532833U - Built-in hydraulic thimble tailstock

Info

Publication number: CN218532833U
Application number: CN202221574819.5U
Authority: CN
Inventors: 仲建明; 冯科
Original assignee: Ningbo Zhongneng Chuangda Intelligent Equipment Co ltd
Current assignee: Ningbo Zhongneng Chuangda Intelligent Equipment Co ltd
Priority date: 2022-06-08
Filing date: 2022-06-08
Publication date: 2023-02-28
Anticipated expiration: 2032-06-08

Abstract

The utility model discloses an interior concealed hydraulic thimble tailstock relates to thimble tailstock technical field, including the tailstock body, hydraulic fluid port I has been seted up at the top of tailstock body, hydraulic oil tank has been seted up to the inner wall of tailstock body, the inside cover of tailstock body is equipped with the tailstock bottom plate, hydraulic fluid port II has been seted up on the right side of tailstock bottom plate in a running-through manner, the surface of tailstock bottom plate is run-through and has been seted up the thimble and knock off the hole, the inside cover of tailstock body is equipped with the thimble sleeve, the thimble groove has been seted up on the left side of thimble sleeve, the inside cover of thimble groove is equipped with the thimble, the tailstock bottom plate groove has been seted up on the right side of thimble sleeve; the built-in hydraulic thimble tailstock provided by the device has the characteristics of exquisite structure, working stability and high displacement precision, the design of a thimble knock-off hole, the interchangeability of the improved device and the reduced time for replacing the thimble, a hydraulic driving mechanism and the labor intensity of a great worker.

Description

Built-in hydraulic thimble tailstock

Technical Field

The utility model relates to a thimble tailstock technical field, concretely relates to interior concealed hydraulic pressure thimble tailstock.

Background

In the numerical control lathe industry, the ejector pin tailstock is needed to be used for machining long-axis parts, the traditional ejector pin tailstock is a pure mechanical tailstock, and a tailstock sleeve is driven by a rectangular screw nut to feed, so that the structure is complex, the abrasion is easy, the mechanical clearance is large, and the precision is low. The workman is in the use, and working strength is big. Occupies a large amount of processing time and has low efficiency.

On the basis of the traditional thimble tailstock, an external hydraulic cylinder thimble tailstock is derived, the structure can reduce the labor intensity of workers, but has poor reliability, short service life of the hydraulic cylinder, no central dismounting hole and difficult thimble dismounting.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an interior concealed hydraulic pressure thimble tailstock to solve the above-mentioned weak point among the prior art.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides an interior concealed hydraulic pressure thimble tailstock, includes the tailstock body, hydraulic pressure hydraulic fluid port one has been seted up at the top of tailstock body, hydraulic oil groove has been seted up to the inner wall of tailstock body, the inside cover of tailstock body is equipped with the tailstock bottom plate, hydraulic pressure hydraulic fluid port two has been seted up in running through on the right side of tailstock bottom plate, the surface of tailstock bottom plate is run through and has been seted up the thimble and beat the hole, the inside cover of tailstock body is equipped with the thimble sleeve, the thimble groove has been seted up in the telescopic left side of thimble, the inside cover in thimble groove is equipped with the thimble, the backplate groove has been seted up on the telescopic right side of thimble, the tailstock bottom plate cover is established in the inside in tailstock bottom plate groove.

Furthermore, a slider fixing groove is formed above the tailstock bottom plate groove, a slider is fixed inside the slider fixing groove, and the slider limits the ejector pin sleeve.

Furthermore, a sliding groove is formed in the top of the tailstock bottom plate, the sliding block sleeve is arranged inside the sliding groove in a sleeved mode, and the sliding block is matched with the sliding groove to limit the ejector pin sleeve.

Further, the inner wall cover of tailstock body is equipped with a plurality of balls one, the telescopic top cover of thimble is equipped with a plurality of balls two, the surface cover of tailstock bottom plate is equipped with a plurality of balls three, and the ball can reduce the frictional force that the thimble sleeve removed and bring, makes its removal more smooth and easy.

Furthermore, the thimble groove is communicated with the tailstock bottom plate groove, and the thimble groove and the tailstock bottom plate groove are communicated, so that a thimble disassembling tool can be conveniently inserted into the tailstock bottom plate groove and the thimble groove from the thimble knocking-off hole, and the thimble can be conveniently disassembled.

Further, the inside thread cover of tailstock bottom plate is equipped with a plurality of bolts, a plurality of screw holes have been seted up on the right side of tailstock body, bolt thread cover is established in the inside of screw hole, and the bolt is with tailstock bottom plate and tailstock body fixed connection.

Compared with the prior art, the utility model provides a pair of built-in hydraulic pressure thimble tailstock, get into from two hydraulic fluid ports through hydraulic oil, hydraulic oil gets into the inside of hydraulic tank, then turn left the thimble sleeve and promote from the right side, hydraulic fluid port is the fuel feeding at first, oil gets into inside the hydraulic tank, turn right the thimble sleeve along with the increase of oil and push away, the realization is received the needle, the built-in hydraulic pressure thimble tailstock that this device provided has the structure exquisiteness, job stabilization nature, the characteristics that the displacement precision is high, the design in thimble knockout hole, the time that the interchangeability of the device of improvement and the thimble of reduction were changed, hydraulic drive mechanism, the very big workman's that alleviates intensity of labour.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic structural diagram of a front-view section working state provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a front-view section working state ii provided in the embodiment of the present invention;

fig. 3 is a schematic view of an overall front view structure provided by the embodiment of the present invention.

Description of reference numerals:

1. a thimble; 2. a thimble sleeve; 3. a tailstock body; 4. a tailstock base plate; 5. knocking off the hole by the thimble; 6. a second hydraulic oil port; 7. a first hydraulic oil port; 8. a second ball bearing; 9. a first rolling ball; 10. a third ball bearing; 11. a thimble groove; 12. a tailstock bottom plate groove; 13. a slider; 14. a hydraulic oil tank; 15. a chute.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the attached drawings.

The embodiment is as follows:

please refer to fig. 1-3, a built-in hydraulic thimble tailstock, including the tailstock body 3, a hydraulic fluid port 7 has been seted up at the top of the tailstock body 3, a hydraulic fluid tank 14 has been seted up to the inner wall of the tailstock body 3, the inside cover of the tailstock body 3 is equipped with the tailstock bottom plate 4, a hydraulic fluid port two 6 has been seted up on the right side of the tailstock bottom plate 4 through running through, the surface of the tailstock bottom plate 4 runs through and has been seted up the thimble and knockoff the hole 5, the inside cover of the tailstock body 3 is equipped with the thimble sleeve 2, the thimble groove 11 has been seted up on the left side of the thimble sleeve 2, the inside cover of the thimble groove 11 is equipped with the thimble 1, the tailstock bottom plate groove 12 has been seted up on the right side of the thimble sleeve 2, the tailstock bottom plate 4 cover is established in the inside of the tailstock bottom plate groove 12.

In this embodiment, a slider fixing groove is formed above the tailstock bottom plate groove 12, a slider 13 is fixed inside the slider fixing groove, and the slider 13 limits the thimble sleeve 2.

In this embodiment, the top of the tailstock bottom plate 4 is provided with a chute 15, the slider 13 is sleeved inside the chute 15, and the slider 13 cooperates with the chute 15 to limit the thimble sleeve 2.

In this embodiment, the inner wall cover of tailstock body 3 is equipped with a plurality of balls 9, and the top cover of thimble sleeve 2 is equipped with a plurality of balls 8 two, and the surface cover of tailstock bottom plate 4 is equipped with a plurality of balls three 10, and the ball can reduce the frictional force that thimble sleeve 2 removed and bring, makes its removal more smooth and easy.

In this embodiment, the thimble groove 11 is communicated with the tailstock bottom plate groove 12, and the thimble groove and the tailstock bottom plate groove are communicated with each other, so that a thimble disassembling tool can be conveniently inserted into the tailstock bottom plate groove 12 and the thimble groove 11 from the thimble knock-off hole, and the thimble can be conveniently disassembled.

In this embodiment, the inside threaded sleeve of tailstock bottom plate 4 is equipped with a plurality of bolts, and a plurality of screw holes have been seted up on the right side of tailstock body 3, and bolt thread sleeve establishes in the inside of screw hole, and the bolt is with tailstock bottom plate 4 and 3 fixed connection of tailstock body.

According to the working principle, when the ejector pin 1 needs to be ejected, hydraulic oil enters from the second hydraulic oil port 6, the hydraulic oil enters into the hydraulic oil groove 14 and then pushes the ejector pin sleeve 2 leftwards from the right side to the left side, the ejector pin 1 is pushed leftwards when the ejector pin sleeve 2 moves leftwards, the first ball 9, the second ball 8 and the third ball 10 reduce friction force caused by movement and enable the ejector pin sleeve to be ejected smoothly, the ejector pin sleeve 2 drives the sliding block 13 to slide in the sliding groove 15, when the sliding block 13 slides to the leftmost side of the sliding groove 15, the sliding groove 15 limits the sliding block 13 to enable the ejector pin sleeve 2 and the ejector pin 1 to stop moving, the hydraulic oil groove 14 also limits the ejector pin sleeve 2, when the ejector pin 1 is withdrawn, the second hydraulic oil port 6 stops supplying oil, the first hydraulic oil port 7 starts supplying oil, the oil enters into the hydraulic oil groove 14, the ejector pin sleeve 2 is pushed rightwards along with the increase of the oil, the right-side oil flows out from the second hydraulic oil port 6, the ejector pin sleeve 1 contracts and returns, when the ejector pin 1 is disassembled, only a disassembling tool needs to be inserted into a tail seat 12 and the ejector pin groove 11 to knock out of the ejector pin groove.

Certain exemplary embodiments of the present invention have been described above by way of illustration only, and it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a built-in hydraulic pressure thimble tailstock, includes tailstock body (3), its characterized in that, hydraulic pressure hydraulic fluid port (7) have been seted up at the top of tailstock body (3), hydraulic pressure oil bath (14) have been seted up to the inner wall of tailstock body (3), the inside cover of tailstock body (3) is equipped with tailstock bottom plate (4), the right side of tailstock bottom plate (4) is run through and has been seted up two (6) of hydraulic pressure hydraulic fluid port, the surface of tailstock bottom plate (4) is run through and has been seted up the thimble and knock off hole (5), the inside cover of tailstock body (3) is equipped with thimble sleeve (2), thimble groove (11) have been seted up in the left side of thimble sleeve (2), the inside cover of thimble groove (11) is equipped with thimble (1), tailstock bottom plate groove (12) have been seted up on the right side of thimble sleeve (2), tailstock bottom plate (4) cover is established in the inside of tailstock bottom plate groove (12).

2. The built-in hydraulic thimble tail block according to claim 1, characterized in that a slide block fixing groove is opened above the tail block bottom plate groove (12), and a slide block (13) is fixed inside the slide block fixing groove.

3. The built-in hydraulic thimble tailstock according to claim 2, characterized in that the tailstock bottom plate (4) is provided with a sliding groove (15) at the top, and the sliding block (13) is sleeved inside the sliding groove (15).

4. The built-in hydraulic thimble tail block according to claim 1, characterized in that the inner wall of the tail block body (3) is sleeved with a plurality of balls I (9), the top of the thimble sleeve (2) is sleeved with a plurality of balls II (8), and the surface of the tail block bottom plate (4) is sleeved with a plurality of balls III (10).

5. The built-in hydraulic thimble tailstock according to claim 1, characterized in that the thimble groove (11) is connected with the tailstock bottom plate groove (12).

6. The concealed hydraulic thimble tailstock according to claim 1, wherein a plurality of bolts are sleeved on the internal thread of the tailstock base plate (4), a plurality of threaded holes are formed in the right side of the tailstock body (3), and the bolts are sleeved inside the threaded holes in a threaded manner.