Tailstock guide rail locking structure

Abstract

The utility model discloses a tailstock guide rail locking structure which comprises a guide rail base and a transverse locking machine shell, one end of the guide rail base is connected with a tailstock in a sliding mode, the transverse locking machine shell is welded to one side of the tailstock, and a driving shaft body is movably connected to the middle position in the tailstock. A worm gear welded to the driving shaft body is connected into the transverse locking machine shell, a worm matched with the worm gear is connected to the bottom end of the interior of the transverse locking machine shell, and an operation handle is fixed to one end of the worm. Due to the fact that the vertical locking screws and the like are installed, when the device is actually used, the vertical locking screws which are in threaded connection with the four corners of the tailstock and matched with the top of the guide rail base are utilized, and the tails of the vertical locking screws can abut against the top of the guide rail base to be pressed and fixed by rotating the vertical locking screws. Therefore, the tailstock can be vertically locked and fixed on the guide rail seat.

Description

TECHNICAL FIELD

[0001] The utility model relates to tailstock guide rail structure technical field, concretely is a tailstock guide rail locking structure. BACKGROUND

[0002] Tailstock guide rail is an important component on the machine tool, it usually cooperates with the screw rod, through the screw rod drives the workbench to slide on the guide rail, in actual operation, tailstock often needs to be fixed through locking structure after adjusting the use position on the guide rail seat, however, tailstock guide rail locking structure still has some defects when using.

[0003] Tailstock guide rail locking structure often realizes the compression and fixation between tailstock and guide rail seat through bolt, this mode is easy to appear the problem of loosening and sliding, and the user needs to manually adjust the installation state of tailstock to make it and guide rail seat coaxial, this adjustment process is easy to have error and is relatively cumbersome, based on this, we propose a new type of tailstock guide rail locking structure to provide double locking and fixation in horizontal and vertical directions and automatic coaxial adjustment of tailstock and guide rail seat. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a tailstock guide rail locking structure to solve the problems in the above background.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: a tailstock guide rail locking structure, including guide rail seat and horizontal locking with the shell, one end of the guide rail seat is connected with tailstock and slides, the horizontal locking with the shell is welded on one side of tailstock, the middle position of the inside of tailstock is movably connected with drive shaft main body, the inside of the horizontal locking with the shell is connected with the worm wheel that is welded with drive shaft main body, the bottom of the inside of the horizontal locking with the shell is connected with the worm that is matched with worm wheel, one end of the worm is fixed with operating handle, the both sides of drive shaft main body are respectively provided with first external thread part and second external thread part, the first external thread part is threadedly sleeved with first nut seat, the second external thread part is threadedly sleeved with second nut seat, the bottom of first nut seat and second nut seat is welded with horizontal positioning and compression arm that is matched with guide rail seat, the horizontal locking with the shell is evenly welded with limiting slide rod that is matched with horizontal positioning and compression arm, four corner places of tailstock are all threadedly connected with vertical locking screw rod that is matched with the top of guide rail seat.

[0006] Preferably, the worm wheel and the worm are movably connected between the bearing and the inner wall of the horizontal locking with the shell.

[0007] Preferably, the worm transversely penetrates the end of the horizontal locking with the shell close to the operating handle.

[0008] Preferably, the first and second external thread portions are symmetrically distributed about a vertical center line of the drive shaft body, and the first and second external thread portions have opposite thread directions.

[0009] Preferably, the lateral positioning compression arms are provided with anti-skid silica gel layers vulcanized on the outer walls thereof, so that the anti-skid effect of the lateral positioning compression arms is improved.

[0010] Preferably, the limiting sliding rods are provided with through holes for sliding connection with the two ends of the lateral positioning compression arms, so that the two lateral positioning compression arms can be limited and guided by the sliding connection between the limiting sliding rods and the lateral positioning compression arms.

[0011] Preferably, the bottom of the vertical locking screw is fixed with a vertical arc-shaped pressing block, so that the vertical locking screw can be rotated to press the vertical arc-shaped pressing block against the top of the guide rail seat, thereby achieving vertical locking protection.

[0012] Preferably, the outer walls of the vertical locking screws are coated with a silicon carbide wear-resistant layer, and the vertical locking screws are provided with four vertical locking screws, so that the wear-resistant effect of the outer walls of the vertical locking screws is improved.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] (1) The tail seat guide rail locking structure is provided with a lateral locking machine shell, so that the structure of the device is optimized, the user can adjust the horizontal position of the tail seat on the guide rail seat according to the actual use requirement of the screw structure on the machine tool, then rotates the operation handle at the tail of the lateral locking machine shell to drive the worm to rotate, and then drives the worm gear in contact with the worm to rotate, which can change the driving direction, the subsequent worm gear drives the driving shaft body welded thereto to rotate, at this time, the first nut seat and the second nut seat corresponding to the first external thread portion and the second external thread portion symmetrically distributed on the driving shaft body and having opposite thread directions move towards each other or away from each other, so that the lateral positioning compression arms added at the bottoms of the first nut seat and the second nut seat move towards each other or away from each other, which facilitates changing the distance between the two lateral positioning compression arms, so that the clamping and fixing of the two sides of the guide rail seat can be realized, which not only facilitates the lateral fixing of the tail seat slidingly connected to the guide rail seat, but also realizes the positioning of the tail seat, ensures that the horizontal center line of the guide rail seat and the horizontal center line of the tail seat are in the same plane, and then facilitates meeting the coaxial installation requirement of the tail seat on the guide rail seat, solves the side deviation problem without manual adjustment, and the self-locking principle of the worm gear and the worm is used, so that the driving shaft body cannot be loosened to drive the worm gear to drive the worm to move, and the stability is improved.

[0015] (2), the tailstock guide rail locking structure is installed with vertical locking screw and the like, so that the device is actually used, the four corners of the tailstock are all screw connected with the vertical locking screw matched with the top of the guide rail seat, the tailstock can be fixed by rotating the vertical locking screw and making the tailstock press against the top of the guide rail seat, which can realize vertical locking and fixing of the tailstock on the guide rail seat;

[0016] (3), the tailstock guide rail locking structure is installed with horizontal positioning and pressing arm and the like, so that the device is operated, the horizontal positioning and pressing arm is matched with the limiting slide rod uniformly welded on the horizontal locking machine shell, the two ends of the horizontal positioning and pressing arm are respectively provided with the through hole slidably connected with the limiting slide rod, so that the device is convenient for limiting and guiding the two horizontal positioning and pressing arms through the sliding connection between the limiting slide rod and the horizontal positioning and pressing arm, and the sliding movement of the horizontal positioning and pressing arm along the driving shaft body is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a front view structure schematic diagram of the utility model;

[0018] Figure 2 It is a front view structure schematic diagram of the utility model;

[0019] Figure 3 It is a front view structure schematic diagram of the utility model;

[0020] Figure 4 It is a front view structure schematic diagram of the utility model;

[0021] Figure 5 It is a front view structure schematic diagram of the utility model; Figure 2 It is a front view structure schematic diagram of the utility model;

[0022] In the drawing: 1, guide rail seat; 2, tailstock; 3, horizontal locking machine shell; 4, vertical locking screw; 5, horizontal positioning and pressing arm; 6, first nut seat; 7, first external thread part; 8, second external thread part; 9, second nut seat; 10, driving shaft body; 11, operating handle; 12, worm gear; 13, worm; 14, vertical arc-shaped pressing block; 15, limiting slide rod. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0024] Please refer to Figures 1-5The utility model provides an embodiment: a tailstock guide rail locking structure, including guide rail seat 1 and horizontal locking with casing 3, one end of guide rail seat 1 is connected with tailstock 2 slidingly, horizontal locking with casing 3 is welded in one side of tailstock 2, the middle position of tailstock 2 inside is movably connected with drive shaft main body 10,

[0025] The inside of horizontal locking with casing 3 is connected with the worm wheel 12 welded with drive shaft main body 10, the bottom end in the inside of horizontal locking with casing 3 is connected with the worm gear 13 matched with worm wheel 12, one end of worm gear 13 is fixed with operating handle 11;

[0026] The both sides of drive shaft main body 10 are provided with first external thread part 7 and second external thread part 8 respectively, first external thread part 7 is threadedly sleeved with first nut seat 6, second external thread part 8 is threadedly sleeved with second nut seat 9, the bottom of first nut seat 6 and second nut seat 9 are all welded with horizontal positioning compression arm 5 matched with guide rail seat 1;

[0027] First external thread part 7 and second external thread part 8 are symmetrically distributed about the vertical center line of drive shaft main body 10, and the thread directions of first external thread part 7 and second external thread part 8 are opposite.

[0028] When using, the user can rotate the operating handle 11 at the tail of horizontal locking with casing 3 to drive the rotating movement of the worm gear 13, and then drive the rotating movement of the worm wheel 12 in contact with the worm gear 13, which can change the driving orientation. The worm wheel 12 will then drive the rotating movement of the drive shaft main body 10 welded thereto. At this time, the first nut seat 6 and the second nut seat 9 corresponding to the first external thread part 7 and the second external thread part 8 symmetrically distributed on the drive shaft main body 10 and having opposite thread directions will move closer to each other or away from each other. This can change the movement of the horizontal positioning compression arms 5 attached to the bottom of the first nut seat 6 and the second nut seat 9, which facilitates changing the distance between the two horizontal positioning compression arms 5. This can achieve clamping and fixing of the two sides of the guide rail seat 1. This not only facilitates horizontal fixing of the tailstock 2 slidingly connected to the guide rail seat 1, but also achieves positioning of the tailstock 2, ensures that the horizontal center line of the guide rail seat 1 and the horizontal center line of the tailstock 2 are in the same plane, and further facilitates meeting the coaxial installation requirements of the tailstock 2 on the guide rail seat 1, without the need for manual adjustment to solve the side deviation problem. Moreover, by using the self-locking principle of the worm wheel 12 and the worm gear 13, it can also ensure that the drive shaft main body 10 will not loosen to drive the worm wheel 12 to push the worm gear 13 to move, thereby improving stability.

[0029] Horizontal locking with casing 3 is uniformly welded with limiting slide rod 15 matched with horizontal positioning compression arm 5;

[0030] The four corners of tailstock 2 are threadedly connected with vertical locking screw 4 matched with the top of guide rail seat 1;

[0031] The worm wheel 12 and the worm 13 are movably connected between the inner wall of the casing 3 and the cross locking by bearings respectively;

[0032] The worm 13 transversely penetrates the cross locking casing 3 near one end of the operating handle 11;

[0033] The lateral positioning and pressing arms 5 are provided with two, and the outer wall of the lateral positioning and pressing arms 5 is vulcanized with an anti-skid silica gel layer, so as to improve the anti-skid effect of the outer wall of the lateral positioning and pressing arms 5;

[0034] The limiting slide rods 15 are provided with two, and the two ends of the lateral positioning and pressing arms 5 are respectively provided with through holes in sliding connection with the limiting slide rods 15, so as to facilitate the limiting and guiding of the two lateral positioning and pressing arms 5 by the sliding connection between the limiting slide rods 15 and the lateral positioning and pressing arms 5;

[0035] The bottom of the vertical locking screw 4 is fixed with a vertical arc-shaped pressing block 14, so as to facilitate the rotation of the vertical locking screw 4 and the pressing of the vertical arc-shaped pressing block 14 at the bottom of the vertical locking screw 4 to the top of the guide rail seat 1, thereby achieving vertical locking protection;

[0036] The outer wall of the vertical locking screw 4 is coated with a silicon carbide wear-resistant layer, and the vertical locking screw 4 is provided with four, so as to improve the wear-resistant effect of the outer wall of the vertical locking screw 4.

[0037] The tail seat 2 can be slid on the guide rail seat 1 according to the actual use requirement of the screw rod structure on the machine tool, and then the operation handle 11 at the tail of the transverse locking shell 3 is rotated to drive the rotation of the worm 13 and the rotation of the worm wheel 12 in contact with the worm 13, so that the driving direction is changed, the worm wheel 12 drives the rotation of the driving shaft body 10 welded with the worm wheel 12, the first nut seat 6 and the second nut seat 9 corresponding to the first external thread part 7 and the second external thread part 8 symmetrically distributed on the driving shaft body 10 and having opposite screw directions are moved towards each other or away from each other, so that the two transverse positioning and pressing arms 5 at the bottom of the first nut seat 6 and the second nut seat 9 are moved towards each other or away from each other, which facilitates the change of the distance between the two transverse positioning and pressing arms 5, so that the clamping and fixing of the two sides of the guide rail seat 1 can be realized, which facilitates the transverse fixing of the tail seat 2 slidably connected to the guide rail seat 1 and the positioning of the tail seat 2, ensures that the horizontal center line of the guide rail seat 1 and the horizontal center line of the tail seat 2 are in the same plane, and then the coaxial installation requirement of the tail seat 2 on the guide rail seat 1 is met, the side deviation problem is solved without manual adjustment, and the self-locking principle of the worm wheel 12 and the worm 13 is used to ensure that the driving shaft body 10 will not be loosened to drive the worm wheel 12 to push the worm 13 to move, thereby improving the stability, and the vertical locking screw 4 matched with the top of the guide rail seat 1 and threadedly connected at the four corners of the tail seat 2 is used to rotate the vertical locking screw 4 to press and fix the tail of the vertical locking screw 4 against the top of the guide rail seat 1, so that the vertical locking and fixing of the tail seat 2 on the guide rail seat 1 can be realized, and the limiting slide rod 15 matched with the transverse positioning and pressing arm 5 is uniformly welded on the transverse locking shell 3, and the through hole for slidably connecting with the limiting slide rod 15 is arranged at the two ends of the transverse positioning and pressing arm 5, so that the device can use the sliding connection between the limiting slide rod 15 and the transverse positioning and pressing arm 5 to limit and guide the two transverse positioning and pressing arms 5, and ensure that the transverse positioning and pressing arm 5 slides along the driving shaft body 10.

[0038] Obviously, the above-described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the protection scope of the present application.

[0039] It is to be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, "and / or" means and or, unless context clearly indicates otherwise. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components and / or combinations thereof, but do not preclude the presence or addition of one or more other features, steps, operations, devices, components and / or combinations thereof.

[0040] It should be noted that the terms "first", "second", and the like, used in the specification and in the claims of the application, as well as above-described figures, are used to distinguish similar objects and are not necessarily to be used in the description in a particular sequential or chronological order. It is to be understood that data so used can be interchanged, where appropriate, so that the embodiments of the application described herein could be practiced in sequences other than those illustrated or described herein.

[0041] The preferred embodiments of the present application are only used for the purpose of illustration and are not used to limit the present application. The present application can be variously changed and modified by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A tailstock guide rail locking structure, characterized by comprising: The utility model provides a kind of cross locking machine shell and guide rail seat (1), one end of the guide rail seat (1) is slidably connected with tailstock (2), the cross locking machine shell (3) is welded on one side of tailstock (2), the middle position inside tailstock (2) is movably connected with driving shaft body (10), the inside of the cross locking machine shell (3) is connected with the worm wheel (12) welded with driving shaft body (10), the bottom end inside the cross locking machine shell (3) is connected with the worm (13) matched with worm wheel (12), the one end of the worm (13) is fixed with operating handle (11), the two sides of the driving shaft body (10) are respectively provided with first external thread portion (7) and second external thread portion (8), the first nut base (6) is threadedly sleeved on the first external thread portion (7), the second nut base (9) is threadedly sleeved on the second external thread portion (8), the bottom of the first nut base (6) and second nut base (9) is welded with the horizontal positioning and pressing arm (5) matched with guide rail seat (1), the cross locking machine shell (3) is uniformly welded with the limit slide bar (15) matched with horizontal positioning and pressing arm (5), the four corners of the tailstock (2) are threadedly connected with the vertical locking screw (4) matched with the top of guide rail seat (1).

2. The tailstock guide locking structure according to claim 1, characterized in that: The worm wheel (12) and the worm (13) are movably connected by bearings and the inner wall of the cross locking machine shell (3).

3. The tailstock quill locking structure of claim 1, wherein: The worm (13) transversely penetrates the cross locking machine shell (3) near the one end of the operating handle (11).

4. The tailstock guide locking structure according to claim 1, characterized in that: The first external thread portion (7) and the second external thread portion (8) are symmetrically distributed about the vertical center line of the driving shaft body (10), and the thread directions of the first external thread portion (7) and the second external thread portion (8) are opposite.

5. The tailstock quill locking structure of claim 1, wherein: The horizontal positioning and pressing arm (5) is provided with two, and the outer side wall of the horizontal positioning and pressing arm (5) is vulcanizedly connected with an anti-skid silica gel layer.

6. The tailstock quill locking structure of claim 1, wherein: The limit slide bar (15) is provided with two, and the two ends of the horizontal positioning and pressing arm (5) are respectively provided with through holes slidably connected with the limit slide bar (15).

7. The tailstock quill locking structure of claim 1, wherein: The bottom of the vertical locking screw (4) is fixed with a vertical arc-shaped pressing block (14).

8. The tailstock quill locking structure of claim 1, wherein: The outer side wall of the vertical locking screw (4) is coated with a silicon carbide wear-resistant layer, and the vertical locking screw (4) is provided with four.

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