CN214768999U

CN214768999U - Novel ejector pin component of machine tool

Info

Publication number: CN214768999U
Application number: CN202121387356.7U
Authority: CN
Inventors: 金泽好; 谢晓东; 浦金铭; 陈义; 樊敏杰
Original assignee: Jiangsu Jinwo Servo Punch Co ltd
Current assignee: Jiangsu Jinwo Servo Punch Co ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2021-11-19
Anticipated expiration: 2031-06-22

Abstract

The utility model discloses a novel thimble assembly of lathe, including work frame and fixed case, fixed case sets up in the upper portion of work frame, the anterior of fixed case and the equal fixed mounting in rear portion have first chute board, the inside sliding connection of first chute board has first slide bar, two the equal fixedly connected with support frame of one side that first slide bar was carried on the back mutually is located the front portion the bottom of support frame inner chamber is rotated through the bearing and is connected with the two-way threaded rod, the utility model relates to a machine tool machining technical field. This novel thimble assembly of lathe makes through setting up anchor clamps on the fixed box, and the thimble can carry out centering in advance through anchor clamps centre gripping work piece before using, utilizes screw rod and electric telescopic handle's cooperation simultaneously for the thimble can carry out the precision and adjust under the condition that the precision is out of alignment, thereby improves the qualification rate of product.

Description

Novel ejector pin component of machine tool

Technical Field

The utility model relates to a machine tool machining technical field specifically is a novel thimble assembly of lathe.

Background

Machine tools are devices for turning a rotating workpiece mainly with a lathe tool, and are generally classified into metal cutting machines, forging machines, woodworking machines, and the like. The machine tool mainly comprises a supporting part, a speed change mechanism, a feeding mechanism, a main spindle box, a lubricating system, a thimble tailstock and the like. The methods for machining machine parts in modern machine manufacturing are numerous: in addition to cutting, casting, forging, welding, pressing, extruding, etc., however, in general, a part requiring high precision and fine surface roughness is finished by cutting on a machine tool. The machine tool plays an important role in the construction of national economy modernization, and the machine tool mainly forms a finished equipment system through processing equipment such as a lathe, a milling machine, a drilling machine and the like. The ejector pin tailstock is a structure which is common in machine tools, and is mainly used for assisting and fixing the center of a shaft part through an ejector pin when the machine tool processes the shaft part, so that the influence on the processing precision of the part due to high-speed cutting during processing of the machine tool is avoided.

The thimble assembly of current lathe, its most structure is comparatively simple, adopt hand wheel and chucking handle to remove and fix the thimble device, because the route of removing is fixed, thereby lead to the unable adjustment precision of thimble, the precision of thimble is out of alignment, can lead to the parts machining error great, current thimble suitability is not high simultaneously, can only assist fixedly to the work piece of single type, if need carry out the different shapes of turning to the work piece, only dismantle the thimble of changing the different grade type and fix, waste time and energy, and work efficiency has been reduced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a novel thimble assembly of lathe has solved the precision and has misaligned and thimble function singleness's problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a thimble assembly of a novel machine tool comprises a working frame and a fixed box, wherein the fixed box is arranged on the upper part of the working frame, the front part and the rear part of the fixed box are fixedly provided with first sliding groove plates, the inner part of each first sliding groove plate is connected with a first sliding rod in a sliding manner, one side of each of the two first sliding rods, which is opposite to each other, is fixedly connected with a supporting frame, the bottom of the inner cavity of the supporting frame, which is positioned at the front part, is rotatably connected with a bidirectional threaded rod through a bearing, one end of the bidirectional threaded rod penetrates through the front supporting frame and extends to the top of the front supporting frame, one end of the bidirectional threaded rod, which extends to the top of the front supporting frame, is fixedly connected with a first handle, the upper part and the lower part of the surface of the bidirectional threaded rod are respectively in threaded connection with a first threaded sleeve, the back surface of the first threaded sleeve is fixedly connected with a clamp, and the top and the bottom of the inner cavity of the supporting frame, are fixedly connected with second sliding groove plates, the upper portion and the lower portion of the inner cavity of the second chute plate are connected with second sliding rods in a sliding mode, and one ends of the second sliding rods are fixedly connected to the rear portions of the two clamps respectively.

Preferably, the fixed surface of the inner chamber of fixed case is connected with thimble tailstock, the one end of thimble tailstock runs through fixed case and extends to the outside of fixed case, bolt fixedly connected with thimble is passed through to the outside one end of fixed case that the thimble tailstock extends to, the top and the spacing fixed block of the equal fixedly connected with in bottom of thimble, the surface of thimble just is located the right side of spacing fixed block and has seted up the screw thread, threaded surperficial threaded connection has the rolling disc, one side of rolling disc just is located the supplementary thimble of the periphery fixedly connected with of thimble, supplementary thimble has a plurality of and is annular equidistance and distributes.

Preferably, the spout has all been seted up at the front and the back of work frame inner chamber, the inside sliding connection of spout has the slider, two fixedly connected with workstation between the slider, the bottom of workstation is provided with the tooth piece, the rear portion of work frame inner chamber is rotated through the bearing and is connected with the dwang, the one end of dwang runs through the work frame and extends to the front portion of work frame, the dwang extends to the anterior one end fixedly connected with second handle of work frame, the surface of dwang just is located the gear of the inside fixedly connected with of work frame and tooth piece looks adaptation.

Preferably, the front part and the rear part of the top of the workbench are fixedly connected with baffle plates, the front surface of the baffle plate positioned at the rear part is rotatably connected with a threaded rod through a bearing, one end of the threaded rod penetrates through the front baffle plate and extends to the surface of the front baffle plate, and one end of the threaded rod penetrates through the surface of the front baffle plate and is fixedly connected with a third handle.

Preferably, the surface of the threaded rod is in threaded connection with a second threaded sleeve, the top of the second threaded sleeve is fixedly connected with an electric telescopic rod, and the top of the electric telescopic rod is fixedly connected to the bottom of the fixed box.

Preferably, a limiting groove is formed in the top of the workbench, a limiting block is connected to the inside of the limiting groove in a sliding mode, and the top end of the limiting block is fixedly connected to the bottom of the second threaded sleeve.

Advantageous effects

The utility model provides a novel thimble assembly of lathe. Compared with the prior art, the method has the following beneficial effects:

(1) this novel thimble assembly of lathe through set up anchor clamps on the fixed box for the thimble can carry out centering in advance through anchor clamps centre gripping work piece before using, utilizes screw rod and electric telescopic handle's cooperation simultaneously, makes the thimble can carry out the precision and adjust under the condition that the precision is out of alignment, thereby improves the qualification rate of product.

(2) This novel thimble assembly of lathe through set up the rolling disc on thimble surface for when the thimble needs to be fixed the blank work piece of processing into different shapes, can be through the different thimble forms of the nimble switching of rotatory rolling disc, the nimble switching of thimble has improved work efficiency, and has increased the suitability of thimble.

Drawings

Fig. 1 is a schematic external structural view of the present invention;

FIG. 2 is a cross-sectional view of the working frame structure of the present invention;

FIG. 3 is a side view of the working frame and the fixing box structure of the present invention;

FIG. 4 is a side view of the working frame and the inner structure of the working platform of the present invention;

FIG. 5 is a side view of a second runner plate and clamp arrangement of the present invention;

fig. 6 is a partially enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a working frame; 2. a fixed box; 3. a first chute plate; 4. a first slide bar; 5. a support frame; 6. a bidirectional threaded rod; 7. a first handle; 8. a first threaded sleeve; 9. a clamp; 10. a second chute plate; 11. a second slide bar; 12. a thimble tailstock; 13. a thimble; 14. a thread; 15. rotating the disc; 16. an auxiliary thimble; 17. a chute; 18. a slider; 19. a work table; 20. a tooth block; 21. rotating the rod; 22. a second handle; 23. a gear; 24. a baffle plate; 25. a threaded rod; 26. a third handle; 27. a second threaded sleeve; 28. an electric telescopic rod; 29. a limiting groove; 30. a limiting block; 31. and a limiting fixing block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a thimble assembly of a novel machine tool comprises a working frame 1 and a fixed box 2, the fixed box 2 is arranged on the upper portion of the working frame 1, the front portion and the rear portion of the fixed box 2 are fixedly provided with first chute plates 3, the inner portion of each first chute plate 3 is connected with a first slide bar 4 in a sliding manner, one side of each of two opposite sides of each first slide bar 4 is fixedly connected with a support frame 5, the bottom of the inner cavity of each front support frame 5 is rotatably connected with a bidirectional threaded rod 6 through a bearing, the upper portion and the lower portion of the surface of each bidirectional threaded rod 6 are opposite in thread texture, one end of each bidirectional threaded rod 6 penetrates through each front support frame 5 and extends to the top of each front support frame 5, one end of each bidirectional threaded rod 6 extending to the top of each front support frame 5 is fixedly connected with a first handle 7, the upper portion and the lower portion of the surface of each bidirectional threaded rod 6 are connected with a first threaded sleeve 8 in a threaded manner, and the back of each first threaded sleeve 8 is fixedly connected with a clamp 9, the opposite surfaces of the two clamps 9 are respectively provided with an arc-shaped groove, the top and the bottom of the inner cavity of the rear supporting frame 5 are fixedly connected with a second sliding groove plate 10, the upper part and the lower part of the inner cavity of the second sliding groove plate 10 are respectively connected with a second sliding rod 11 in a sliding manner, one end of each of the two second sliding rods 11 is respectively and fixedly connected with the rear parts of the two clamps 9, the surface of the inner cavity of the fixed box 2 is fixedly connected with a thimble tail seat 12, one end of the thimble tail seat 12 penetrates through the fixed box 2 and extends to the outside of the fixed box 2, one end of the thimble tail seat 12 extending to the outside of the fixed box 2 is fixedly connected with a thimble 13 through a bolt, the top and the bottom of the thimble 13 are respectively and fixedly connected with a limiting fixed block 31, the surface of the thimble 13 and the right side of the limiting fixed block 31 are provided with a thread 14, the surface of the thread 14 is connected with a rotating disc 15, one side of the rotating disc 15 is fixedly connected with an auxiliary thimble 16 positioned at the periphery of the thimble 13, the auxiliary thimble 16 is matched with the thimble 13 after being adjusted to form a plum blossom thimble, the plum blossom thimble can fix a blank workpiece which needs to be processed into a ball type, the auxiliary thimble 16 is provided with a plurality of annular equidistant distribution, the front and back of the inner cavity of the working frame 1 are both provided with sliding grooves 17, the inner part of the sliding groove 17 is connected with sliding blocks 18 in a sliding way, a working table 19 is fixedly connected between the two sliding blocks 18, the bottom of the working table 19 is provided with a tooth block 20, the rear part of the inner cavity of the working frame 1 is rotatably connected with a rotating rod 21 through a bearing, one end of the rotating rod 21 penetrates through the working frame 1 and extends to the front part of the working frame 1, one end of the rotating rod 21 extending to the front part of the working frame 1 is fixedly connected with a second handle 22, the surface of the rotating rod 21 is fixedly connected with a gear 23 matched with the tooth block 20 and positioned in the inner part of the working frame 1, the front part and the rear part of the top of the working table 19 are both fixedly connected with baffle plates 24, the front that is located rear baffle 24 rotates through the bearing and is connected with threaded rod 25, the one end of threaded rod 25 runs through front baffle 24 and extends to front baffle 24's surface, threaded rod 25 runs through the one end fixedly connected with third handle 26 on front baffle 24 surface, threaded rod 25's surperficial threaded connection has second thread bush 27, the top fixedly connected with electric telescopic handle 28 of second thread bush 27, electric telescopic handle 28's top fixed connection is in the bottom of stationary box 2, spacing groove 29 has been seted up at workstation 19's top, the inside sliding connection of spacing groove 29 has stopper 30, stopper 30's top fixed connection is in the bottom of second thread bush 27.

And those not described in detail in this specification are well within the skill of those in the art.

When the tailstock-type workpiece clamping device is used, a worker rotates the second handle 22, the second handle 22 rotates to drive the workbench 19 to move, the workbench 19 bears the electric telescopic rod 28 and the fixed box 2 to approach a workpiece, after the electric telescopic rod approaches the workpiece, the support frame 5 is pulled out by using the first chute plate 3 arranged outside the fixed box 2 to drive the clamps 9 to extend out, then the first handle 7 is rotated, the first handle 7 drives the bidirectional threaded rod 6 to rotate, the bidirectional threaded rod 6 rotates to enable the two clamps 9 to move oppositely, so that the workpiece is clamped and centered, if the arc center points of the two clamps 9 cannot contact the workpiece at the same time, angle adjustment can be carried out by using the cooperation between the electric telescopic rod 28 and the threaded rod 25, so that the precision is adjusted, when the arc center points of the two clamps 9 can contact the workpiece at the same time through adjustment, then the hand wheel of the thimble 12 is rotated, the thimble 13 is fixed at the center of a workpiece, after the center is tightly pushed, the first handle 7 is rotated to disconnect the matching of the two clamps 9, then the clamps are reset, when the thimble 13 needs to be switched, a worker rotates the rotating disc 15, the rotating disc 15 is displaced to one end of the thimble 13 from the surface of the thimble 13, and the thimble 13 can be changed into a fixed form through the matching of the rotating disc 15 and the thimble 13.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are 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 may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel thimble assembly of lathe, includes work frame (1) and fixed case (2), fixed case (2) set up in the upper portion of work frame (1), its characterized in that: the front part and the rear part of the fixed box (2) are fixedly provided with first chute plates (3), the inner part of each first chute plate (3) is connected with a first slide rod (4) in a sliding manner, one back surface of each of the two first slide rods (4) is fixedly connected with a support frame (5), the bottom of the inner cavity of each support frame (5) positioned at the front part is rotatably connected with a two-way threaded rod (6) through a bearing, one end of each two-way threaded rod (6) penetrates through the corresponding front support frame (5) and extends to the top of the corresponding front support frame (5), one end of each two-way threaded rod (6) extending to the top of the corresponding front support frame (5) is fixedly connected with a first handle (7), the upper part and the lower part of the surface of the corresponding two-way threaded rod (6) are both in threaded connection with first threaded sleeves (8), the back surface of each first threaded sleeve (8) is fixedly connected with a clamp (9), and the top and the bottom of the inner cavity of the corresponding support frame (5) at the rear part are fixedly connected with second chute plates (10), the upper portion and the lower portion of the inner cavity of the second sliding groove plate (10) are connected with second sliding rods (11) in a sliding mode, and one ends of the second sliding rods (11) are fixedly connected to the rear portions of the two clamps (9) respectively.

2. The ejector pin assembly of the novel machine tool according to claim 1, wherein: the fixed surface of the inner chamber of fixed case (2) is connected with thimble tailstock (12), the one end of thimble tailstock (12) runs through fixed case (2) and extends to the outside of fixed case (2), bolt fixedly connected with thimble (13) is passed through to the one end that thimble tailstock (12) extends to fixed case (2) outside, the top and the equal fixedly connected with spacing fixed block (31) in bottom of thimble (13), the surface of thimble (13) just is located the right side of spacing fixed block (31) and has seted up screw thread (14), the surperficial threaded connection of screw thread (14) has rolling disc (15), one side of rolling disc (15) just is located the supplementary thimble (16) of the periphery fixedly connected with of thimble (13), supplementary thimble (16) have a plurality of and are annular equidistance and distribute.

3. The ejector pin assembly of the novel machine tool according to claim 1, wherein: spout (17) have all been seted up to the front and the back of work frame (1) inner chamber, the inside sliding connection of spout (17) has slider (18), two fixedly connected with workstation (19) between slider (18), the bottom of workstation (19) is provided with tooth piece (20), the rear portion of work frame (1) inner chamber rotates through the bearing and is connected with dwang (21), the one end of dwang (21) runs through work frame (1) and extends to the front portion of work frame (1), dwang (21) extend to the anterior one end fixedly connected with second handle (22) of work frame (1), the surface of dwang (21) just is located gear (23) of the inside fixedly connected with and tooth piece (20) looks adaptation of work frame (1).

4. The ejector pin assembly of the novel machine tool according to claim 3, wherein: the equal fixedly connected with baffle (24) in front portion and the rear portion at workstation (19) top is located the rear portion the front of baffle (24) is rotated through the bearing and is connected with threaded rod (25), the surface of front portion baffle (24) and extension to front portion baffle (24) is run through to the one end of threaded rod (25), threaded rod (25) run through the one end fixedly connected with third handle (26) on front portion baffle (24) surface.

5. The ejector pin assembly of the novel machine tool according to claim 4, wherein: the surface threaded connection of threaded rod (25) has second thread bush (27), the top fixedly connected with electric telescopic handle (28) of second thread bush (27), the top fixed connection of electric telescopic handle (28) is in the bottom of fixed case (2).

6. The ejector pin assembly of the novel machine tool according to claim 3, wherein: spacing groove (29) have been seted up at the top of workstation (19), the inside sliding connection of spacing groove (29) has stopper (30), the top fixed connection of stopper (30) is in the bottom of second thread bush (27).