CN213437214U

CN213437214U - Drill bit clamping tool for common vehicle

Info

Publication number: CN213437214U
Application number: CN202022110953.7U
Authority: CN
Inventors: 刘珞; 张庆喜; 张严敬; 张腾; 汤海宝; 王晴
Original assignee: Shandong Energy Group Jinyuan Machinery Co ltd
Current assignee: Shandong Lunan Equipment Manufacturing Group Co Ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-06-15
Anticipated expiration: 2030-09-23

Abstract

The utility model discloses a drill bit centre gripping frock for general car uses with the blade holder cooperation on the general car, be provided with the mounting groove on the blade holder, drill bit centre gripping frock for general car includes the first fixed part of centre gripping in the mounting groove of blade holder, is connected the installation sleeve that is used for installing the drill bit with first fixed part, the drill bit cup joints in the telescopic inside of installation, the length direction of first fixed part is parallel to each other with the length direction of mounting groove, the length direction of first fixed part is parallel to each other with the telescopic length direction of installation. The utility model discloses need not add the correction work piece and the tool setting that relapse man-hour, saved the assistance-time, improved machining efficiency and machining precision, guaranteed the rigidity and the machining efficiency of general automobile-used drill bit centre gripping frock moreover, reduced because of the scope corrects the rejection rate that work piece and drill bit position caused, reduced workman's intensity of labour.

Description

Drill bit clamping tool for common vehicle

Technical Field

The utility model belongs to the technical field of the lathe work, specifically speaking relates to drill bit centre gripping frock for general car.

Background

The common lathe is a horizontal lathe which can process various procedures on various workpieces such as shafts, discs, rings and the like, is usually used for processing internal and external rotating surfaces, end surfaces and various internal and external threads of the workpieces, and can also be used for drilling, reaming, tapping, knurling and the like by adopting corresponding cutters and accessories. The common lathe is the most widely used one of the lathes, accounting for about 65% of the total number of lathes, and is called a horizontal lathe because its main shaft is disposed in a horizontal manner.

The blade holder 1 of current ordinary car is as shown in fig. 1, and the cross section of blade holder 1 is the rectangle, and mounting groove 11 has all been seted up to four sides of blade holder 1, and the length direction level of mounting groove 11 sets up and is parallel to each other with the side of the blade holder 1 that sets up this mounting groove 11, and mounting groove 11 runs through blade holder 1 along self length direction, and the top of each mounting groove 11 all is provided with a plurality of tight bolts 12 that support, and the bottom one end of supporting bolt 12 can stretch into in the mounting groove 11.

The drill bit is clamped in the mounting groove 11 and is clamped tightly by abutting against the bolt, the head end of the drill bit extends out of the mounting groove 11, but in the actual use process, according to the processing requirement, repeated correction of a workpiece and tool setting are needed, under the condition, the processing efficiency is obviously reduced, the rejection rate is higher, the labor intensity is high, and the processing precision is influenced.

SUMMERY OF THE UTILITY MODEL

An it is not enough to prior art, the utility model aims to provide a drill bit centre gripping frock for general car, it can enough effectively fix the drill bit, only needs simple location, presss from both sides operations such as tight and just can process, also need not add the correction work piece and the tool setting that relapse in man-hour, improves machining efficiency and machining precision, reduces the rejection rate.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a drill bit centre gripping frock for general car, uses with the blade holder cooperation on the general car, be provided with the mounting groove on the blade holder, wherein, drill bit centre gripping frock for general car includes the first fixed part of centre gripping in the mounting groove of blade holder, is connected the installation sleeve that is used for installing the drill bit with first fixed part, the drill bit cup joints in installation sleeve's inside, the length direction of first fixed part is parallel to each other with the length direction of mounting groove, the length direction of first fixed part is parallel to each other with the length direction of installation sleeve.

Preferably, the bottom end of the mounting sleeve is sealed.

Preferably, the tail end surface of drill bit is provided with the external screw thread, the internal surface of installation sleeve corresponds the external screw thread of drill bit and is provided with the internal thread, the drill bit passes through the external screw thread and realizes fixed with the spiro union of installation sleeve with the internal thread cooperation.

Preferably, the mounting sleeve is provided with a through hole for observing the mounting position of the drill bit in the mounting sleeve, and the through hole is arranged along the axial direction of the mounting sleeve.

Preferably, the through hole is a waist hole.

Preferably, the installation sleeve is provided with scale marks for determining the accurate travel distance of the drill bit in the installation sleeve, and the scale marks are arranged along the axial direction of the installation sleeve and are arranged close to one side of the through hole.

Further, the first fixing portion is a long strip plate, and the long strip plate is vertically welded to the outer surface of the mounting sleeve.

Preferably, the end of the strip plate is provided with a handle, and the handle is arranged close to the drill bit.

Preferably, the handle comprises a second fixing part fixedly connected with the strip plate and a handle convenient to grasp, and the second fixing part is fixedly connected with the end part of the strip plate.

Advantageous effects

The utility model provides a drill bit centre gripping frock for general car, it has following beneficial effect:

the utility model discloses an in the blade holder mounting groove is embedded to first fixed part to fix through holding the bolt tightly, make whole frock portion be difficult to take place to rock; the drill bit is sleeved in the mounting sleeve and is in threaded connection and fixed with the mounting sleeve, and the drill bit is not easy to shake relative to the mounting sleeve; the drill bit is installed and positioned by arranging the through hole and the scale line on the installation sleeve, repeated workpiece correction and tool setting are not needed during machining, the auxiliary time is saved, the machining efficiency and the machining precision are improved, the rigidity and the machining efficiency of the drill bit clamping tool for the common vehicle are guaranteed, the rejection rate caused by the fact that the workpiece and the drill bit are corrected within a range is reduced, and the labor intensity of workers is reduced.

Drawings

FIG. 1 is a schematic view of a tool holder according to the prior art;

FIG. 2 is a top view of a drill holding fixture for a typical vehicle in embodiment 1;

fig. 3 is a front view of the drill clamping tool for the common vehicle in embodiment 1.

In the drawings: 1-a tool apron, 11-a mounting groove, 12-a holding bolt, 21-a strip plate, 211-a handle, 22-a mounting sleeve, 221-a through hole and 3-a drill bit.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following description, together with the drawings of the present invention, clearly and completely describes the technical solution of the present invention, and based on the embodiments in the present application, other similar embodiments obtained by those skilled in the art without creative efforts shall all belong to the protection scope of the present application. In addition, directional terms such as "upper", "lower", "left", "right", etc. in the following embodiments are directions with reference to the drawings only, and thus, the directional terms are used for illustration and not for limitation of the present invention.

Detailed description of the preferred embodiment 1

The utility model provides a drill bit centre gripping frock for general car, refers to fig. 2-3, uses with the cooperation of the blade holder 1 on the general car, and the structure of blade holder 1 is shown in fig. 1, and is concrete, be provided with mounting groove 11 on the blade holder 1, wherein, 3 centre gripping frock of drill bit for general car include the first fixed part of centre gripping in the mounting groove 11 of blade holder 1, be connected the installation sleeve 22 that is used for installing drill bit 3 with first fixed part, drill bit 3 cup joints in the inside of installation sleeve 22, the length direction of first fixed part is parallel to each other with the length direction of mounting groove 11, the length direction of first fixed part is parallel to each other with the length direction of installation sleeve 22. When the first fixing portion is fixed in the mounting groove 11 by abutting against the bolt 12, the mounting sleeve 22 is horizontally placed, and the mounting sleeve 22 is fixedly connected with the tool apron 1 through the first fixing portion.

Specifically, the installation sleeve 22 is fixed on the tool apron 1 through the first fixing portion, the first fixing portion provides guarantee for the adjustment of the radial distance of the installation sleeve 22, the problem that the workpiece precision is poor and the like caused by the fact that the center of the tool apron 1 is inconsistent with the workpiece rotation center during drilling is solved, the production process is simplified, the production efficiency is improved, and the labor intensity of workers is reduced.

Specifically, the first fixing portion is abutted to the mounting groove 11 of the tool apron 1 through the abutting bolt 12 on the tool apron 1, so that the first fixing portion is fixedly connected with the tool apron 1, and the mounting sleeve 22 is stably connected to the tool apron 1, so that the tool apron is not easy to shake. When processing, only need to place first fixed part in the suitable position in mounting groove 11, then through supporting tight bolt 12 support tightly fixed can.

Preferably, the bottom end of the mounting sleeve 22 is sealed, so that the drill bit 3 is fixed in the mounting sleeve 22, the drill bit 3 is prevented from reversely rushing out of the safety sleeve under the action of large impact force during machining, and the operation safety is improved.

Preferably, the outer surface of the tail end of the drill bit 3 is provided with an external thread, the inner surface of the mounting sleeve 22 is provided with an internal thread corresponding to the external thread of the drill bit 3, and the drill bit 3 is fixed to the mounting sleeve 22 through the threaded connection between the external thread and the internal thread.

Specifically, the external thread stroke of the drill bit 3 is smaller than the internal thread stroke in the mounting sleeve 22, so that the mounting distance of the drill bit 3 in the mounting sleeve 22 is ensured to be adjustable.

Preferably, the mounting sleeve 22 is provided with a through hole 221 for observing the mounting position of the drill bit 3 in the mounting sleeve 22, and the through hole 221 is arranged along the axial direction of the mounting sleeve 22. The installation position of the drill bit 3 on the installation sleeve 22 can be observed in time through the through hole 221, the visualization of the installation position of the drill bit 3 is realized, the drill bit 3 can be conveniently adjusted in time according to the actual situation,

preferably, the through hole 221 is a waist hole. The waist hole is long-strip-shaped, so that the installation distance of the drill bit 3 on the installation sleeve 22 can be effectively observed, and under the condition, the machining depth of the drill bit 3 on the workpiece can be determined by adjusting the installation distance of the drill bit 3 on the installation sleeve 22.

Preferably, the mounting sleeve 22 is provided with a scale mark for determining the accurate travel distance of the drill bit 3 in the mounting sleeve 22, and the scale mark is arranged along the axial direction of the mounting sleeve 22 and is arranged near one side of the through hole 221. The position of the drill bit 3 in the mounting sleeve 22 is observed through the through hole 221, and the drill bit 3 in the mounting sleeve 22 can be accurately positioned through the scale marks.

Further, the first fixing portion is a strip plate 21, the strip plate 21 is perpendicularly welded on the outer surface of the mounting sleeve 22, and the strip plate 21 and the mounting sleeve 22 are stably connected.

Preferably, the end of the long slat 21 is provided with a handle 211, the handle 211 is close to the drill bit 3, and the convenience of the installation of the whole tool is improved.

Preferably, the handle 211 is composed of a second fixing portion for fixing connection with the strip plate 21 and a handle for facilitating gripping, and the second fixing portion is fixedly connected with the end portion of the strip plate 21.

Specifically, the handle is rectangular shape, makes things convenient for operating personnel to operate.

Specifically, the second fixing portion is welded to the end of the strip plate 21 or fixedly connected to the end of the strip plate by a fastener such as a bolt.

The utility model discloses during the specific use, rectangular board 21 is pressed from both sides tightly in the mounting groove 11 of blade holder 1 through supporting tight bolt 12 in the 3 centre gripping frocks of drill bit for the general car, the mounting sleeve 22 is fixed for the mounted position of blade holder 1, the drilling depth of drill bit 3 to the work piece is confirmed to the mounted position of drill bit 3 in the adjustment mounting sleeve 22, need not to rectify work piece and the nimble adjustment of the drilling depth that the tool setting can realize drill bit 3 repeatedly under this condition, but save assist time, the rigidity and the machining efficiency of work piece have been guaranteed, the rejection rate has been reduced, the center of lathe tailstock is inconsistent with work piece rotation center when having solved the brill centre bore, range estimation work piece processing scheduling problem, the production flow has been simplified under the circumstances of guaranteeing the drilling axiality, workman's intensity of labour has been reduced.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, i.e. the present invention is intended to cover all equivalent variations and modifications within the scope of the present invention.

Claims

1. The utility model provides a drill bit centre gripping frock for general car, uses with the blade holder cooperation on the general car, be provided with the mounting groove on the blade holder, its characterized in that, drill bit centre gripping frock for general car includes the first fixed part of centre gripping in the mounting groove of blade holder, is connected the installation sleeve that is used for installing the drill bit with first fixed part, the drill bit cup joints in the telescopic inside of installation, the length direction of first fixed part is parallel to each other with the length direction of mounting groove, the length direction of first fixed part is parallel to each other with the telescopic length direction of installation.

2. The drill bit clamping tool for the common vehicle according to claim 1, wherein the bottom end of the mounting sleeve is sealed.

3. The drill bit clamping tool for the common vehicle according to claim 1, wherein external threads are formed on the outer surface of the tail end of the drill bit, internal threads are formed on the inner surface of the mounting sleeve corresponding to the external threads of the drill bit, and the drill bit is fixed to the mounting sleeve in a threaded connection mode through the matching of the external threads and the internal threads.

4. The drill bit clamping tool for the common vehicle according to claim 1, wherein a through hole for observing the installation position of the drill bit in the installation sleeve is formed in the installation sleeve, and the through hole is formed in the axial direction of the installation sleeve.

5. The drill clamping tool for the cart according to claim 4, wherein the through hole is a kidney hole.

6. The drill bit clamping tool for the common vehicle according to claim 1, wherein scale marks for determining the accurate travel distance of the drill bit in the mounting sleeve are arranged on the mounting sleeve, and the scale marks are arranged along the axial direction of the mounting sleeve and are arranged on one side close to the through hole.

7. The drill bit clamping tool for the cart according to claim 1, wherein the first fixing portion is a strip plate, and the strip plate is vertically welded to the outer surface of the mounting sleeve.

8. The drill bit clamping tool for the cart according to claim 7, wherein a handle is arranged at an end of the strip plate, and the handle is arranged close to a head end of the drill bit.

9. The drill bit clamping tool for the cart according to claim 8, wherein the handle comprises a second fixing portion for being fixedly connected with the strip plate and a handle convenient to grasp, and the second fixing portion is fixedly connected with the end portion of the strip plate.