CN217619450U

CN217619450U - Manual indexing fixture for deep hole drill

Info

Publication number: CN217619450U
Application number: CN202222008943.1U
Authority: CN
Inventors: 鲁娜; 李春刚; 鲁绪阁; 齐鹏
Original assignee: DEZHOU PRECION MACHINE TOOL CO LTD
Current assignee: DEZHOU PRECION MACHINE TOOL CO LTD
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2022-10-21
Anticipated expiration: 2032-08-03

Abstract

The utility model provides a deep hole bores with manual graduation anchor clamps, include: the indexing positioning plate, the spring positioning pin and the bracket; the indexing positioning disc is installed at the left end of the main shaft through a flat key and is inserted into the support in a clearance fit mode through a spring positioning pin; the nut is arranged outside the spring positioning pin, and the nut is screwed with the spring positioning pin through threads; the clamp base is fixedly arranged on the upper part of the sliding table through bolts, and the sliding table is arranged on the upper part of the carriage in a clearance fit sliding manner; the lead screw is fixedly arranged in the carriage through a bearing, and a copper nut is connected to the outer portion of the lead screw in a penetrating mode through threads. Through the improvement structurally, the drilling tool fixture has the advantages of accurate positioning, convenient indexing operation, great improvement on the drilling precision, guarantee on the processing quality, higher practicability, practical value and the like, and the problem and the defect of the existing device are effectively solved.

Description

Manual indexing fixture for deep hole drill

Technical Field

The utility model relates to a machining equipment technical field, more specifically the theory that says so especially relates to a deep hole bores and uses manual graduation anchor clamps.

Background

During machining, one type of cylindrical deep-hole parts can be provided with a plurality of coordinate system holes uniformly distributed on a circumference, and the indexing error of the holes is required to be less than 30', so that the machining requirement of a workpiece is met.

However, when a general single-coordinate deep hole machine tool is used for machining, a clamp which can be specially used for drilling a deep hole is lacked, so that the drilling precision between machining holes on a peripheral coordinate system around the deep hole is poor, the machining quality is seriously influenced, and a plurality of adverse effects are caused.

In view of the above, the present invention is to provide a manual indexing fixture for a deep hole drill, which is capable of accurately clamping and positioning a workpiece and facilitating indexing operation, and aims to solve the problems and improve the practical value by the technology.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a deep hole bores with manual graduation anchor clamps to solve the problem that proposes in the above-mentioned background art and not enough.

In order to achieve the above object, the utility model provides a deep hole bores with manual graduation anchor clamps reaches by following specific technological means:

a manual indexing fixture for a deep hole drill, comprising: the automatic clamp comprises an indexing positioning disc, a spring positioning pin, a support, a nut, a clamp base, a sliding table, a large hand wheel, a reticle dividing disc, a copper nut, a lead screw, a dragging plate, a main shaft, a three-jaw self-centering chuck, a spacer, a worm wheel, an adjusting sleeve, a worm, front and rear bearings, a small hand wheel, a movable locking clamping sleeve, a static locking clamping sleeve, a supporting screw and a handle; the indexing positioning plate is arranged at the left end of the main shaft through a flat key and is inserted into the support in a clearance fit mode through a spring positioning pin; the nut is arranged outside the spring positioning pin and screwed with the spring positioning pin through threads; the clamp base is fixedly arranged on the upper part of the sliding table through bolts, and the sliding table is arranged on the upper part of the carriage in a clearance fit sliding mode; the lead screw is fixedly arranged inside the carriage through a bearing, and a copper nut is connected to the outer part of the lead screw in a penetrating manner through threads; the big hand wheel is arranged at the front end of the lead screw through a flat key; the reticle dividing disc is fixedly arranged at the right end of the carriage through bolts; the main shaft is arranged at the upper part of the clamp base through a bearing, and a three-jaw self-centering chuck is arranged at the right end of the main shaft; the shock insulator is sleeved outside the main shaft in a clearance fit mode and is positioned on the right side of the worm wheel; the worm wheel is arranged in the middle of the main shaft through a flat key, and the lower part of the worm wheel is meshed and connected with the worm; the worm is arranged at the lower part of the clamp base through front and rear bearings, and a small hand wheel is arranged at the right end of the worm through a flat key; the adjusting sleeve is sleeved outside the main shaft in a clearance fit mode and is positioned on the left side of the worm wheel; the movable locking clamping sleeve is arranged on the left side of the middle position of the clamp base in a clearance fit mode; the static locking clamping sleeve is arranged on the right side of the middle position of the clamp base in a clearance fit mode; the supporting screw rods are arranged inside the movable locking clamping sleeve and the static locking clamping sleeve respectively in a threaded screwing mode, and the right end of the supporting bolt is provided with a handle.

As a further optimization of this technical scheme, the utility model relates to a deep hole bores with manual graduation anchor clamps the slip table is rectangle platelike structure, and passes through bolt fixed connection between the lower part of slip table right-hand member and the copper nut.

As the further optimization of this technical scheme, the utility model relates to a deep hole bores with manual graduation anchor clamps peg graft between the index hole on through clearance fit mode and the graduation positioning disk spring locating pin.

As this technical scheme's further optimization, the utility model relates to a manual graduation anchor clamps are used to deep hole drill the support is overlooked and is regarded as "L" form, and the support passes through one side of bolt fastening on anchor clamps base upper portion.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

1. the utility model relates to a manual graduation anchor clamps are used to deep hole drill, graduation positioning disk passes through main shaft afterbody system mouth location in this anchor clamps structure, adopts the screw to be connected with the main shaft, and the graduation targets in place the back, inserts the spring locating pin in the corresponding locating hole of graduation positioning disk to satisfy the drilling processing of the coordinate system deep hole of degree is equallyd divide equally to the difference on the same circumference size, improve practical value greatly.

2. The utility model relates to a manual graduation anchor clamps are used to deep hole drilling, this anchor clamps spindle nose installation comes clamping workpiece from centering three-jaw chuck to adopted worm gear mechanism, through manual rotatory worm, made the work piece rotate the graduation, thereby can improve drilling accuracy greatly, made it possess the practicality more.

3. The utility model relates to a deep hole bores uses manual graduation anchor clamps, slip table drive copper nut through the lead screw and remove in this anchor clamps, have realized the deep hole of the coordinate system hole work piece on the different circumference sizes and have bored processing.

4. The utility model relates to a deep hole is manual graduation anchor clamps for brill, this anchor clamps have adopted locking cutting ferrule structure, and the back is put in place to the graduation, and final twist grip makes the locking cutting ferrule with main shaft location locking, has guaranteed the stability of deep hole drilling in-process work piece.

5. The utility model discloses a to above-mentioned device structural improvement, it is accurate to have drilling frock clamp location to graduation convenient operation improves drilling precision greatly, guarantees processingquality, makes it possess advantages such as practicality and practical value more, thereby the effectual problem of appearing in having solved current device with not enough.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:

fig. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic view of the present invention in a partial cross-sectional structure;

FIG. 3 isbase:Sub>A schematic sectional view A-A of the present invention;

FIG. 4 is a schematic view of the cross-sectional structure of the present invention B-B;

fig. 5 is a schematic cross-sectional view of the bracket of the present invention.

In the figure: the automatic indexing device comprises an indexing positioning disc 1, a spring positioning pin 2, a support 3, a nut 4, a clamp base 5, a sliding table 6, a large hand wheel 7, a reticle indexing disc 8, a copper nut 9, a lead screw 10, a dragging plate 11, a main shaft 12, a three-jaw self-centering chuck 13, a spacer 14, a worm wheel 15, an adjusting sleeve 16, a worm 17, front and rear bearings 18, a small hand wheel 19, a movable locking chuck 20, a static locking chuck 21, a supporting screw 22 and a handle 23.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

It is to be noted that, in the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, rather than to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Meanwhile, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 5, the present invention provides a specific technical implementation of a manual indexing fixture for a deep hole drill:

a manual indexing fixture for a deep hole drill, comprising: the automatic positioning device comprises an indexing positioning disc 1, a spring positioning pin 2, a support 3, a nut 4, a clamp base 5, a sliding table 6, a large hand wheel 7, a reticle indexing disc 8, a copper nut 9, a lead screw 10, a carriage 11, a main shaft 12, a three-jaw self-centering chuck 13, a spacer 14, a worm wheel 15, an adjusting sleeve 16, a worm 17, front and rear bearings 18, a small hand wheel 19, a dynamic locking chuck 20, a static locking chuck 21, a supporting screw 22 and a handle 23; the indexing positioning plate 1 is arranged at the left end of the main shaft 12 through a flat key, and the indexing positioning plate 1 is inserted and connected with the support 3 in a clearance fit mode through a spring positioning pin 2; the nut 4 is arranged outside the spring positioning pin 2, and the nut 4 is screwed with the spring positioning pin 2 through threads; the clamp base 5 is fixedly arranged on the upper part of the sliding table 6 through bolts, and the sliding table 6 is arranged on the upper part of the carriage 11 in a clearance fit sliding mode; the lead screw 10 is fixedly arranged inside the carriage 11 through a bearing, and a copper nut 9 is connected to the outer part of the lead screw 10 in a penetrating manner through threads; the big hand wheel 7 is arranged at the front end of the screw rod 10 through a flat key; the reticle dividing disc 8 is fixedly arranged at the right end of the carriage 11 through bolts; the main shaft 12 is arranged at the upper part of the clamp base 5 through a bearing, and the right end of the main shaft 12 is provided with a three-jaw self-centering chuck 13; the shock insulator 14 is sleeved outside the main shaft 12 in a clearance fit mode, and the shock insulator 14 is positioned on the right side of the worm wheel 15; the worm wheel 15 is arranged in the middle of the main shaft 12 through a flat key, and the lower part of the worm wheel 15 is meshed and connected with the worm 17; the worm 17 is arranged at the lower part of the clamp base 5 through a front bearing 18 and a rear bearing 18, and a small hand wheel 19 is arranged at the right end of the worm 17 through a flat key; the adjusting sleeve 16 is sleeved outside the main shaft 12 in a clearance fit mode, and the adjusting sleeve 16 is positioned on the left side of the worm wheel 15; the movable locking cutting sleeve 20 is arranged on the left side of the middle position of the clamp base 5 in a clearance fit mode; the static locking clamping sleeve 21 is arranged on the right side of the middle position of the clamp base 5 in a clearance fit mode; the supporting screw 22 is respectively arranged inside the dynamic locking clamping sleeve 20 and the static locking clamping sleeve 21 in a threaded screwing mode, and the right end of the supporting bolt 22 is provided with a handle 23.

Specifically, the sliding table 6 is of a rectangular plate-shaped structure, the lower portion of the right end of the sliding table 6 is fixedly connected with the copper nut 9 through a bolt, the sliding table 6 rotates the lead screw 10 through the large hand wheel 7 to drive the copper nut 9 to slide linearly along the dragging plate 11, deep hole drilling of coordinate system hole workpieces on different circumferential sizes is achieved, and meanwhile the maximum moving distance of the sliding table 6 can meet the machining requirements according to the circumferential sizes of workpiece hole distribution.

Specifically, the spring positioning pin 2 is inserted into the indexing holes in the indexing positioning plate 1 in a clearance fit mode, and the spring positioning pin 2 is inserted into the corresponding positioning holes in the indexing positioning plate 1, so that the drilling processing of the coordinate system deep holes with different average division degrees on the same circumference size is met, and the indexing positioning plate 1 with different specifications is replaced according to the indexing quantity and precision of a workpiece hole.

Specifically, the support 3 is seen as an L shape in plan, the support 3 is fixed on one side of the upper portion of the fixture base 5 through a bolt, and as shown in fig. 5, the fixing position of the support 3 and the central position of the indexing positioning plate 1 are on the same axis, so that the spring positioning pin 2 on the support is conveniently matched with the indexing positioning plate 1 for use.

The method comprises the following specific implementation steps:

the working principle is as follows: the device is firstly applied to a deep hole drilling machine tool, then a workpiece is clamped and fixed on a three-jaw self-centering chuck 13, a worm wheel 15 and a worm 17 which are arranged at the middle rear part of a main shaft 12 can easily drive the worm 17 and the worm wheel 15 to rotate through a small hand wheel 19, so that the main shaft 12 is driven to rotate, the purpose of the rotation of a large-diameter and long-deep-hole part is met, after the deep-hole part is rotated in place, a spring positioning pin which is arranged on a support 3 at the rear end of a clamp base 5 is inserted into a positioning hole of a corresponding indexing positioning disc 1, then a handle 13 is rotated, so that the locking clamping sleeve 12 moves towards the direction of a static locking clamping sleeve 21, an arc surface on the clamping sleeve tightly holds the excircle at the middle part of the main shaft, the main shaft 12 is locked, the workpiece is fixed, and deep hole drilling processing can be carried out.

In summary, the following steps: according to the manual indexing fixture for the deep hole drill, in the fixture structure, the indexing positioning disc is positioned through the opening made in the tail part of the main shaft and is connected with the main shaft through the screw, and after indexing is in place, the spring positioning pin is inserted into the corresponding positioning hole of the indexing positioning disc, so that the drilling processing of deep holes of coordinate systems with different average degrees on the same circumference size is met, and the practical value is greatly improved; the head of the main shaft of the clamp is provided with a self-centering three-jaw chuck for clamping a workpiece, and a worm gear mechanism is adopted, so that the workpiece is rotated and indexed through manually rotating a worm, the drilling accuracy can be greatly improved, and the clamp has higher practicability; the sliding table in the fixture drives the copper nut to move through the lead screw, so that deep hole drilling machining of the coordinate system hole workpieces on different circumferential dimensions is realized; the clamp adopts a locking clamping sleeve structure, and finally, the handle is rotated after indexing is in place, so that the locking clamping sleeve positions and locks the main shaft, the stability of a workpiece in the deep hole drilling process is ensured, and the problems and the defects in the existing device are effectively solved.

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. A manual indexing fixture for a deep hole drill, comprising: the automatic centering device comprises an indexing positioning disc (1), a spring positioning pin (2), a support (3), a nut (4), a clamp base (5), a sliding table (6), a large hand wheel (7), a scribing indexing disc (8), a copper nut (9), a lead screw (10), a carriage (11), a main shaft (12), a three-jaw self-centering chuck (13), a spacer (14), a worm wheel (15), an adjusting sleeve (16), a worm (17), front and rear bearings (18), a small hand wheel (19), a movable locking clamping sleeve (20), a static locking clamping sleeve (21), a supporting screw (22) and a handle (23); the method is characterized in that: the indexing positioning disc (1) is installed at the left end of the main shaft (12) through a flat key, and the indexing positioning disc (1) is inserted into the support (3) in a clearance fit mode through a spring positioning pin (2); the nut (4) is arranged outside the spring positioning pin (2), and the nut (4) is screwed with the spring positioning pin (2) through threads; the clamp base (5) is fixedly arranged on the upper part of the sliding table (6) through bolts, and the sliding table (6) is arranged on the upper part of the carriage (11) in a clearance fit sliding mode; the lead screw (10) is fixedly arranged inside the carriage (11) through a bearing, and a copper nut (9) penetrates through the outer part of the lead screw (10) through threads; the big hand wheel (7) is arranged at the front end of the screw rod (10) through a flat key; the scale division and indexing disc (8) is fixedly arranged at the right end of the carriage (11) through bolts; the main shaft (12) is mounted on the upper portion of the clamp base (5) through a bearing, and a three-jaw self-centering chuck (13) is mounted at the right end of the main shaft (12); the shock absorber is characterized in that the shock absorber (14) is sleeved outside the main shaft (12) in a clearance fit mode, and the shock absorber (14) is positioned on the right side of the worm wheel (15); the worm wheel (15) is arranged in the middle of the main shaft (12) through a flat key, and the lower part of the worm wheel (15) is meshed and connected with the worm (17); the worm (17) is installed on the lower portion of the clamp base (5) through front and rear bearings (18), and a small hand wheel (19) is installed at the right end of the worm (17) through a flat key; the adjusting sleeve (16) is sleeved outside the main shaft (12) in a clearance fit mode, and the adjusting sleeve (16) is positioned on the left side of the worm wheel (15); the movable locking clamping sleeve (20) is arranged on the left side of the middle position of the clamp base (5) in a clearance fit mode; the static locking cutting sleeve (21) is arranged on the right side of the middle position of the clamp base (5) in a clearance fit mode; support screw rod (22) and twist the inside that connects the mode setting at dynamic lock clamping sleeve (20) and quiet lock clamping sleeve (21) through the screw respectively, and support screw rod (22)'s right-hand member installs handle (23).

2. The manual indexing jig for a deep hole drill according to claim 1, wherein: the sliding table (6) is of a rectangular plate-shaped structure, and the lower portion of the right end of the sliding table (6) is fixedly connected with the copper nut (9) through a bolt.

3. The manual indexing jig for a deep hole drill according to claim 1, wherein: the spring positioning pin (2) is inserted into the indexing holes in the indexing positioning plate (1) in a clearance fit mode.

4. The manual indexing jig for a deep hole drill according to claim 1, wherein: the support (3) is in an L shape in plan view, and the support (3) is fixed on one side of the upper part of the clamp base (5) through bolts.