CN220093821U - Driving shaft drilling and milling clamp - Google Patents

Abstract

The utility model discloses a driving shaft drilling and milling clamp, and aims to provide a driving shaft drilling and milling clamp which can rapidly feed and discharge materials, improves machining efficiency, has a simple structure, reduces cost and is convenient to assemble, disassemble and maintain. The device comprises a bottom plate, wherein the middle part of the bottom plate is movably connected with a mounting plate, both ends of the bottom plate are connected with limiting seats, a rotary press head and a positioning seat are arranged on the bottom plate, the lower side of the bottom plate is connected with a telescopic mechanism, the telescopic mechanism penetrates through the bottom plate to be connected with the rotary mechanism, the rotary press head is connected with the rotary mechanism, a movable block is connected with the limiting seat, a spring press thimble is elastically connected to the movable block, a limiting block is detachably connected to the fixed block, one end of the positioning seat is detachably connected with the bottom plate, the positioning seat is arranged between the spring press thimble and the limiting block, a positioning groove is formed in the other end of the positioning seat, and a clamping groove is formed in the rotary press head and is matched with the positioning groove in position. The beneficial effects of the utility model are as follows: can fast feed and discharge and improve the processing efficiency.

Description

Driving shaft drilling and milling clamp

Technical Field

The utility model relates to the technical field of automobile part production, in particular to a driving shaft drilling and milling clamp.

Background

The drive shaft is an important part for transmitting power in the transmission system of the automobile, and the drive shaft and the gearbox are used for transmitting the power of the engine to wheels together so that the automobile can generate driving force. In the production of a drive shaft, it may be necessary to work around the drive shaft, for example, to work external splines on the drive shaft or to work holes in the end face of the drive shaft, etc., depending on the design requirements. Sometimes, drilling is even required on one end side of the drive shaft as required.

Chinese patent grant bulletin number: the utility model discloses a clamping tool for drilling a driving shaft, which comprises a base plate and a support fixed on the base plate, wherein a positioning hole for the driving shaft to pass through is formed in the support, a stop block and a jacking mechanism are further arranged on the base plate, and the stop block and the jacking mechanism are positioned on two sides of the support along the opening direction of the positioning hole. The technical scheme has the defects that 1. The feeding operation is complex, and the driving shaft is required to be inserted into the hole for manufacturing and then moved by the jacking mechanism during drilling and clamping, so that the clamping operation can be performed, and the machining efficiency is influenced; 2. the blanking operation is complex, the pressing plate is difficult to be removed when the drilling is finished, and the driving shaft is directly and independently taken out, so that the machining efficiency is affected; 3. the structure is complex, the operation difficulty, the production cost and the low loading, unloading and maintenance efficiency are improved.

In conclusion, the loading and unloading operation of the clamp is difficult, the machining efficiency is influenced, the operation difficulty and the production cost are improved due to the complex structure, and the clamp is difficult to rapidly assemble, disassemble and maintain.

Disclosure of Invention

The utility model provides a driving shaft drilling and milling clamp which can rapidly feed and discharge, improve the processing efficiency, reduce the cost and facilitate the loading, unloading and maintenance, and overcomes the defects that the loading and unloading operation of the clamp is difficult, the processing efficiency is influenced, the structure is complex, the operation difficulty and the production cost are improved, and the loading, unloading and maintenance are difficult in the prior art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a drive shaft bores milling fixture, which comprises a base plate, the middle part swing joint of bottom plate has the mounting panel, the both ends of bottom plate all are connected with spacing seat, be equipped with rotatory pressure head and positioning seat on the bottom plate, the downside of bottom plate is connected with telescopic machanism, telescopic machanism passes the bottom plate and is connected with rotary machanism, rotatory pressure head is connected with rotary machanism, be connected with the movable block on the mounting panel, be connected with the fixing base on the spacing seat, elastic connection has the bullet thimble on the movable block, it is connected with the stopper to dismantle on the fixing base, the one end and the bottom plate of positioning seat are dismantled and are connected, the positioning seat is arranged in between bullet thimble and the stopper, the other end of positioning seat is equipped with the constant head tank, be equipped with the draw-in groove on the rotatory pressure head, the position looks adaptation of draw-in groove and constant head tank.

The mounting panel is connected in the middle part position on bottom plate surface, the rotation pressure head has been connected through telescopic machanism and rotary mechanism on the bottom plate in the both ends position of bottom plate, and then make rotation pressure head vertical migration and horizontal migration, the locating seat has been connected on the bottom plate simultaneously, the surface of locating seat is equipped with the constant head tank, be used for placing the drive shaft, the fixing base has been connected on the limit seat in addition, the stopper has been dismantled on the fixing base simultaneously, the movable block has been connected on the mounting panel, elastic connection spring thimble on the movable block, spring thimble, stopper and locating seat all arrange on the same axis, rotation pressure head has all set up the draw-in groove on arranging between the locating seat and both ends, be used for from the top with the locating seat cooperation at vertical upper centre gripping drive shaft, the stopper is convenient to the drive shaft of nimble centre gripping to the both ends of drive shaft with spring thimble, conveniently place fast and take and make the drive shaft receive the stable centre gripping of square when the centre gripping. At least two groups of four clamping stations can be arranged on the bottom plate, so that the clamping state and the loosening state can be staggered for operation, and further double-work efficient drilling and milling operation is realized. The connection mode of the spring thimble, the limiting block and the positioning seat with the bottom plate is flexible, and the assembly, the disassembly and the maintenance are convenient. The clamping stability and the operation precision are improved, the feeding and discharging are convenient, the efficient processing is realized, the structure is simple, the cost is reduced, and the loading, unloading and maintenance are convenient.

Preferably, the rotary pressure head comprises a connecting rod and a pressing block, the lower end of the connecting rod is connected with the rotary mechanism, the upper end of the connecting rod is connected with the pressing block, a yielding hole is formed in the pressing block, clamping grooves are arranged on two sides of the yielding hole, and the positioning seat and the clamping grooves are arranged in an up-down opposite mode. The rotary pressure head comprises a connecting rod and a pressing block, wherein the lower end of the connecting rod is connected with the connecting rod and is used for being connected with a rotary mechanism, the upper end of the connecting rod is connected with the pressing block, the two end faces of the pressing block are provided with abdicating holes, the section shape of the pressing block is H-shaped, clamping grooves are arranged on the lower end face of the pressing block and are arranged on two sides of the abdicating holes, a positioning seat corresponding to the number of the clamping grooves is connected on a bottom plate, the clamping grooves are formed into clamping spaces corresponding to the upper parts, in addition, gaps between the positioning seat and the positioning seat correspond to the abdicating holes, and the positioning holes are convenient to position drilling and milling positions when the positioning seats are placed and taken in the reserved spaces, so that the effects of improving the placement stability, improving the operation precision, facilitating positioning and quick feeding and discharging are achieved.

Preferably, a movable groove is arranged in the movable block, the spring is sleeved on the spring thimble, the limiting ring is sleeved on the spring thimble, one end of the spring is connected with the limiting ring, the other end of the spring is connected with the bottom of the movable groove, a limiting groove is arranged on the inner wall of the movable groove, and the limiting ring is in sliding connection with the limiting groove. The movable block is provided with a movable groove, the spring is arranged in the movable groove and sleeved with the spring, the limiting ring is fixedly adjusted on the spring, one end of the spring is connected with the spring, the other end of the spring is connected with the bottom of the movable groove, the spring can elastically move on the movable block, in addition, the limiting groove is arranged on the inner wall of the notch of the movable groove and is used for embedding the limiting ring, the limiting ring moves in the limiting groove under external force and elasticity, and then the elastic spring can stably displace, so that the effect of improving the structural operation stability is achieved.

Preferably, a needle ejection head is arranged on one end face of the spring ejector pin, one end of the needle ejection head is connected with the spring ejector pin, and the end face of the other end of the needle ejection head is an arc face. The ejector pin head is connected to one end face of the ejector pin and is used for being in contact with the end face of the driving shaft, the ejector pin head is an arc-shaped face, sliding contact of the driving shaft is facilitated, and the connection smoothness and efficiency of the structure are improved.

Preferably, the movable block is provided with a first mounting hole which is communicated with the movable groove, the other end of the spring thimble is inserted into the first mounting hole, the spring thimble is provided with a limiting groove, and the limiting groove is clamped with a clamp spring. The first mounting hole is arranged on the other end face of the movable block, the first mounting hole is communicated with the movable groove, the other end of the spring thimble is inserted into the first mounting hole, the limiting groove is an annular groove in the end, extending out of the first mounting hole, of the spring thimble, the limiting groove is clamped with a clamp spring, the moving distance and stability of the spring thimble are limited through the cooperation of the clamp spring and the limiting ring, meanwhile, one end of the spring is attached to the limiting ring, the other end of the spring abuts against the movable groove, so that replacement after spring fatigue is facilitated, and the stable and limiting structure is achieved, and meanwhile structural assembly, disassembly and maintenance are facilitated.

Preferably, the fixing seat is provided with a fixing hole, the limiting blocks are in scarf joint with the fixing hole, the two sides of the fixing seat are connected with mounting lugs, the limiting seat is provided with mounting holes II, the mounting lugs are provided with connecting holes I, the connecting holes I are internally spliced with mounting screws I, and the mounting screws I are in threaded connection with the mounting holes II. The stopper makes the stopper nimble connection on the fixed block through with fixed orifices scarf joint on the fixing base, and the both sides of fixing base have all been connected the installation ear simultaneously, are equipped with the external screw thread on the installation screw rod one, and installation Kong Erna is equipped with the internal screw thread, and installation two is through installation screw rod threaded connection on the spacing seat, is convenient for the loading and unloading and the maintenance of structure when reaching improvement structure connection stability.

Preferably, the base plate is provided with a third mounting hole, the mounting plate is provided with a jack, the base plate is provided with a base plate, the base plate is connected with a second mounting screw rod, the second mounting screw rod penetrates through the third mounting hole to be connected with the jack in an inserting mode, the second mounting screw rod is connected with a fixing nut in a threaded mode, and the fixing nut is attached to the mounting plate. The second mounting screw is vertically connected to the base plate, the second mounting screw is provided with external threads, the second mounting screw penetrates through the third mounting hole in the base plate to be inserted into the jack, the end of the second mounting screw penetrating through the jack is connected with the fixing nut in a threaded mode, the mounting plate is fixed to the base plate through the base plate, and then rapid assembly is achieved, and the effect of improving structural mounting stability and efficiency is achieved.

Preferably, a connecting seat is arranged below the bottom plate, the telescopic mechanism is connected with the connecting seat, a third mounting screw rod is arranged on the connecting seat, one end of the third mounting screw rod is rotationally connected with the connecting seat, a second connecting hole is formed in the bottom plate, and the other end of the third mounting screw rod is in threaded connection with the bottom plate through the second connecting hole. The telescopic machanism is connected on the connecting seat, has connected a plurality of installation screw rods three perpendicularly on the connecting seat, and installation screw rod three rotates to be connected on the connecting seat, is equipped with the external screw thread on the installation screw rod three, is equipped with connecting hole two on the bottom plate, is equipped with the internal screw thread in the connecting hole two, installation screw rod three and two threaded connection of connecting hole, and the dismantlement of telescopic machanism of being convenient for is maintained, is convenient for the assembly maintenance of structure when reaching improving structural stability.

Preferably, the base plate is provided with a connecting groove, the positioning seat is spliced with the connecting groove, the positioning seat is provided with a fourth mounting hole, the base plate is provided with a third connecting hole, the third connecting hole is communicated with the mounting Kong Sixiang, a fourth mounting screw rod is spliced in the third connecting hole, and the fourth mounting screw rod passes through the fourth connecting hole and is in threaded connection with the fourth mounting hole. The positioning seat is inserted on the bottom plate through the connecting groove, so that the positioning seat is rapidly positioned and installed, in addition, the positioning seat is provided with a fourth mounting hole, the bottom plate is provided with a third connecting hole communicated with the installation Kong Sixiang, the third connecting hole is inserted with a fourth mounting screw, and the fourth mounting screw is in threaded connection with the fourth mounting hole.

Preferably, the bottom plate is provided with a through hole, and the rotating mechanism is arranged in the through hole and is in sliding connection with the through hole. Be equipped with the through-hole on the bottom plate and be used for rotary mechanism's placing and remove the direction, make rotary mechanism at telescopic machanism's connection reciprocate along the through-hole, reach the effect that improves the mobility stability and then improve operating accuracy.

The beneficial effects of the utility model are as follows: the placement stability of the clamp is improved, and the operation precision is improved; quick feeding and discharging and high-efficiency processing; the structure is simple, and the cost is reduced; the structure installation stability is improved, and the assembly, disassembly and maintenance are convenient; the structure operation stability and the connection smoothness and efficiency of the structure are improved.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a side view of the present utility model;

FIG. 3 is a top view of the present utility model;

FIG. 4 is a cross-sectional view at A-A in FIG. 3;

fig. 5 is an enlarged view at B in fig. 4;

fig. 6 is an enlarged view at C in fig. 4.

In the figure: 1. the bottom plate 2, the mounting plate 3, the limiting seat 4, the rotary pressure head 5, the locating seat 6, the telescopic mechanism 7, the rotary mechanism 8, the movable block 9, the fixed seat 10, the spring thimble 11, the limiting block 12, the locating slot 13, the clamping slot 14, the connecting rod 15, the pressing block 16, the yielding hole 17, the movable slot 18, the spring 19, the limiting ring, the device comprises a limiting groove 20, a top needle 21, a mounting hole 22, a limiting groove 23, a clamping spring 24, a fixing hole 25, a mounting lug 26, a mounting screw 27, a mounting screw 28, a backing plate 29, a mounting screw II, a mounting screw 30, a connecting seat 31, a mounting screw III, a mounting screw 32, a mounting screw IV, a through hole 33, a through hole 34, a driving shaft 35 and a connecting groove.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature's illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "under" other elements or features would then be oriented "over" the other elements or features. Thus, the exemplary term "lower" may encompass both an upper and lower orientation. The device may be otherwise positioned (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, processes and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.

Examples

As shown in FIG. 1, a driving shaft drilling and milling fixture comprises a bottom plate 1, a mounting plate 2 is movably connected to the middle part of the bottom plate 1, limiting seats 3 are connected to the two ends of the bottom plate 1, a rotary press head 4 and a positioning seat 5 are arranged on the bottom plate 1, a telescopic mechanism 6 is connected to the lower side of the bottom plate 1, the telescopic mechanism 6 penetrates through the bottom plate 1 to be connected with a rotary mechanism 7, the rotary press head 4 is connected with the rotary mechanism 7, a movable block 8 is connected to the mounting plate 2, a fixed seat 9 is connected to the limiting seats 3, a spring thimble 10 is elastically connected to the movable block 8, a limiting block 11 is detachably connected to the fixed seat 9, one end of the positioning seat 5 is detachably connected with the bottom plate 1, and the positioning seat 5 is arranged between the spring thimble 10 and the limiting block 11.

As shown in fig. 5, the other end of the positioning seat 5 is provided with a positioning groove 12, the rotary pressure head 4 is provided with a clamping groove 13, and the clamping groove 13 is matched with the positioning groove 12 in position.

As shown in fig. 2 and 3, the rotary press head 4 comprises a connecting rod 14 and a pressing block 15, the lower end of the connecting rod 14 is connected with the rotary mechanism 7, the upper end of the connecting rod 14 is connected with the pressing block 15, a yielding hole 16 is arranged on the pressing block 15, clamping grooves 13 are arranged on two sides of the yielding hole 16, and the positioning seat 5 and the clamping grooves 13 are arranged vertically and oppositely.

As shown in fig. 4 and 6, a movable groove 17 is formed in the movable block 8, a spring 18 is sleeved on the spring thimble 10, a limit ring 19 is sleeved on the spring thimble 10, one end of the spring 18 is connected with the limit ring 19, the other end of the spring 18 is connected with the bottom of the movable groove 17, a limit groove 20 is formed in the inner wall of the movable groove 17, and the limit ring 19 is slidably connected with the limit groove 20. One end face of the spring thimble 10 is provided with a thimble head 21, one end of the thimble head 21 is connected with the spring thimble 10, and the end face of the other end of the thimble head 21 is an arc face. The movable block 8 is provided with a first mounting hole 22, the first mounting hole 22 is communicated with the movable groove 17, the other end of the spring thimble 10 is inserted into the first mounting hole 22, the spring thimble 10 is provided with a limiting groove 23, and the limiting groove 23 is clamped with a clamp spring 24.

As shown in fig. 4, the fixing base 9 is provided with a fixing hole 25, the limiting block 11 is in scarf joint with the fixing hole 25, both sides of the fixing base 9 are connected with mounting lugs 26, the limiting base 3 is provided with a mounting hole II, the mounting lugs 26 are provided with a connecting hole I, a mounting screw rod I27 is inserted in the connecting hole I, and the mounting screw rod I27 is in threaded connection with the mounting hole II.

As shown in fig. 2 and 4, a third mounting hole is formed in the bottom plate 1, an insertion hole is formed in the mounting plate 2, a base plate 28 is arranged on the bottom plate 1, a second mounting screw 29 is connected to the base plate 28, the second mounting screw 29 penetrates through the third mounting hole to be inserted into the insertion hole, a fixing nut is connected to the second mounting screw 29 in a threaded mode, and the fixing nut is attached to the mounting plate 2.

As shown in fig. 4, a connecting seat 30 is arranged under the bottom plate 1, the telescopic mechanism 6 is connected with the connecting seat 30, a third mounting screw 31 is arranged on the connecting seat 30, one end of the third mounting screw 31 is rotationally connected with the connecting seat 30, a second connecting hole is arranged on the bottom plate 1, and the other end of the third mounting screw 31 is in threaded connection with the bottom plate 1 through the second connecting hole.

As shown in fig. 1 and 5, a connecting groove 35 is formed in the bottom plate 1, the positioning seat 5 is inserted into the connecting groove 35, a mounting hole IV is formed in the positioning seat 5, a connecting hole III is formed in the bottom plate 1 and communicated with the mounting Kong Sixiang, a mounting screw rod IV 32 is inserted into the connecting hole III, and the mounting screw rod IV 32 penetrates through the connecting hole IV to be in threaded connection with the mounting hole IV.

As shown in fig. 1, the base plate 1 is provided with a through hole 33, and the rotation mechanism 7 is disposed in the through hole 33 and slidably connected to the through hole 33.

As shown in fig. 1-6: the bottom plate 1 is provided with a driving shaft 34, and simultaneously, the bottom plate 1 is provided with two groups of four clamping points, wherein one side of the mounting plate 2 is provided with a clamping combination of each movable block 8, each positioning seat 5 and each fixed seat 9, a rotary pressure head 4 is arranged between the two clamping combinations, two clamping grooves 13 are respectively arranged at two ends of a connecting rod 14 in the rotary pressure head 4, the positioning seats 5 are arranged below the clamping grooves 13 correspondingly, and in a clamping state, the driving shaft 34 is clamped in the clamping grooves 13 and the positioning grooves 12, one end of the driving shaft is propped against the limiting block 11, and the other end of the driving shaft is propped against the top needle head 21, so that a group of two driving shafts are clamped and fixed; on the other side of the mounting plate 2, each movable block 8, the positioning seat 5 and the fixing seat 9 are in a clamping combination, a rotary pressing head 4 is arranged between the two clamping combinations, two clamping grooves 13 are respectively arranged at two ends of a connecting rod 14 in the rotary pressing head 4, the clamping grooves 13 are staggered with the positioning seat 5 below, in the feeding and discharging (loosening pressing block 15) state, a driving shaft 34 is clamped in the positioning groove 12, one end of the driving shaft abuts against a limiting block 11, the other end of the driving shaft abuts against a top needle 21, and a group of two driving shafts are placed into a feeding state or a state ready for taking down. The two states can be performed simultaneously to improve the processing efficiency of the device.

The two sides of the mounting plate 2 are arranged in a pasting way with the side surfaces of the positioning seat 5, which are close to the two sides, so that the mounting plate 2 can be quickly positioned and connected after the positioning seat 5 is connected, and the assembly efficiency is improved.

The telescopic mechanism 6 adopts the hydro-cylinder, and rotary mechanism 7 adopts the rotating electrical machines, makes telescopic mechanism 6's one end be connected with connecting seat 30 through connecting seat 30, and the other end is connected with the lower bottom surface of bottom plate 1 to fixed telescopic mechanism 6, and telescopic part and rotary mechanism 7 in the telescopic mechanism 6 are connected to drive rotary mechanism 7 and the rotatory pressure head 4 that rotary mechanism 7 connects and carry out vertical movement, and rotary mechanism 7 peg graft in through-hole 33 and conveniently in order to stabilize and remove rotary mechanism 7.

The joint of the end face and the side face of the limiting block 11 is an arc-shaped face, so that the driving shaft 34 can be placed smoothly.

When in use, the feeding clamp is used for clamping: the drive shaft 34 is placed in one of two clamping points: one end of the driving shaft 34 is propped against the ejector pin head 21 to press the ejector pin head 21 inwards and the other end of the spring 18 is put in along the limiting block 11 at the same time until the driving shaft 34 is propped against the groove surface of the positioning groove 12, the driving shaft 34 is released, the driving shaft 34 is clamped by the ejector pin head 21 and the limiting block 11, the rotating mechanism 7 is started, the rotating mechanism 7 drives the connecting rod 14 and the pressing block 15 to rotate, further the clamping groove 13 on the pressing block 15 is opposite to the positioning groove 12 up and down, the telescopic mechanism 6 is started, the telescopic mechanism 6 is driven to press down with the rotary pressing head 4, and further the driving shaft 34 is clamped together by the two ends of the pressing block 15 and the positioning seat 5, so that the driving shaft 34 is clamped and fixed completely, and drilling and milling can be performed. Loosening clamping and blanking: after the drilling and milling of the two clamping points of the other group are finished, the telescopic mechanism 6 is started, the rotary pressure head 4 is lifted along with the rotary mechanism 7, the rotary mechanism 7 is started, the upper and lower positions of the clamping groove 13 and the positioning groove 12 are staggered, the machined driving shaft can be directly taken down from the positioning seat 5, the feeding clamping operation is repeated for a plurality of groups, the other group of machined driving shafts 34 are taken down, and double-station alternate clamping of the clamp is realized.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (10)

1. The utility model provides a drive shaft bores milling fixture, characterized by, including bottom plate (1), the middle part swing joint of bottom plate (1) has mounting panel (2), the both ends of bottom plate (1) all are connected with spacing seat (3), be equipped with rotatory pressure head (4) and positioning seat (5) on bottom plate (1), the downside of bottom plate (1) is connected with telescopic machanism (6), telescopic machanism (6) pass bottom plate (1) and are connected with rotary mechanism (7), rotatory pressure head (4) are connected with rotary mechanism (7), be connected with movable block (8) on mounting panel (2), be connected with fixing base (9) on spacing seat (3), elastic connection has bullet pressure thimble (10) on movable block (8), dismantle on fixing base (9) and be connected with stopper (11), the one end and bottom plate (1) of positioning seat (5) are dismantled and are connected, between bullet pressure thimble (10) and stopper (11) are arranged in to the other end of positioning seat (5), the other end of positioning seat (5) is equipped with constant head (12), be equipped with on rotatory pressure head (4) and constant head (13), position phase adaptation groove (13).

2. The driving shaft drilling and milling clamp according to claim 1, wherein the rotary press head (4) comprises a connecting rod (14) and a pressing block (15), the lower end of the connecting rod (14) is connected with the rotary mechanism (7), the upper end of the connecting rod (14) is connected with the pressing block (15), a yielding hole (16) is formed in the pressing block (15), clamping grooves (13) are arranged on two sides of the yielding hole (16), and the positioning seat (5) and the clamping grooves (13) are arranged in an up-down opposite mode.

3. The driving shaft drilling and milling clamp according to claim 2, characterized in that a movable groove (17) is formed in the movable block (8), the spring thimble (10) is arranged in the movable groove (17), a spring (18) is sleeved on the spring thimble (10), a limiting ring (19) is sleeved on the spring thimble (10), one end of the spring (18) is connected with the limiting ring (19), the other end of the spring (18) is connected with the groove bottom of the movable groove (17), a limiting groove (20) is formed in the inner wall of the movable groove (17), and the limiting ring (19) is in sliding connection with the limiting groove (20).

4. A driving shaft drilling and milling clamp according to claim 3, characterized in that an ejector pin head (21) is arranged on one end face of the ejector pin (10), one end of the ejector pin head (21) is connected with the ejector pin (10), and the end face of the other end of the ejector pin head (21) is an arc face.

5. The drilling and milling fixture for the driving shaft according to claim 4, wherein the movable block (8) is provided with a first mounting hole (22), the first mounting hole (22) is communicated with the movable groove (17), the other end of the spring thimble (10) is inserted into the first mounting hole (22), the spring thimble (10) is provided with a limiting groove (23), and the limiting groove (23) is clamped with a clamp spring (24).

6. The driving shaft drilling and milling clamp according to claim 1, wherein the fixing seat (9) is provided with a fixing hole (25), the limiting block (11) is in scarf joint with the fixing hole (25), two sides of the fixing seat (9) are respectively connected with a mounting lug (26), the limiting seat (3) is provided with a mounting hole II, the mounting lug (26) is provided with a connecting hole I, a mounting screw rod I (27) is inserted into the connecting hole I, and the mounting screw rod I (27) is in threaded connection with the mounting hole II.

7. The driving shaft drilling and milling clamp according to claim 1, wherein the bottom plate (1) is provided with a third mounting hole, the mounting plate (2) is provided with a jack, the bottom plate (1) is provided with a base plate (28), the base plate (28) is connected with a second mounting screw (29), the second mounting screw (29) penetrates through the third mounting hole to be connected with the jack in an inserting mode, the second mounting screw (29) is connected with a fixing nut in a threaded mode, and the fixing nut is attached to the mounting plate (2).

8. The driving shaft drilling and milling clamp according to claim 1, wherein a connecting seat (30) is arranged below the bottom plate (1), the telescopic mechanism (6) is connected with the connecting seat (30), a mounting screw three (31) is arranged on the connecting seat (30), one end of the mounting screw three (31) is rotationally connected with the connecting seat (30), a connecting hole II is formed in the bottom plate (1), and the other end of the mounting screw three (31) is in threaded connection with the bottom plate (1) through the connecting hole II.

9. The driving shaft drilling and milling clamp according to claim 1, wherein the bottom plate (1) is provided with a connecting groove (35), the positioning seat (5) is inserted into the connecting groove (35), the positioning seat (5) is provided with a mounting hole IV, the bottom plate (1) is provided with a connecting hole III, the connecting hole III is communicated with the mounting Kong Sixiang, the mounting screw IV (32) is inserted into the connecting hole III, and the mounting screw IV (32) penetrates through the connecting hole IV to be in threaded connection with the mounting hole IV.

10. A driving shaft drilling and milling fixture according to claim 1, characterized in that the bottom plate (1) is provided with a through hole (33), and the rotating mechanism (7) is arranged in the through hole (33) and is connected with the through hole (33) in a sliding manner.