CN211360732U - Drilling machining tool for workpiece with hole in head part with groove and rod part - Google Patents

Abstract

The utility model relates to a drilling tool for a workpiece with a hole at the grooved rod part of the head part, which comprises a base; the static pressure block and the dynamic pressure block are arranged on the base; the end faces of the static pressure block and the dynamic pressure block, which are opposite to each other, are provided with rod part accommodating grooves with lengths extending along the horizontal direction, and the dynamic pressure block moves towards the static pressure block to clamp the rod part of the workpiece in the rod part accommodating grooves; drill bit guide grooves are respectively formed in the opposite end surfaces of the static pressure block and the dynamic pressure block, and the dynamic pressure block and the static pressure block guide a drill bit to drill through the groove walls of the drill bit guide grooves; the axial positioning surface is matched with one end face of the workpiece in a blocking mode, the circumferential positioning piece is provided with a positioning convex part matched with the head groove of the workpiece, and the positioning convex part is matched with the head groove in a concave-convex mode to determine a circumferential included angle between the head groove and the drill bit guide groove. Utilize this frock and ordinary drilling machine cooperation, can process out the porose work piece of head fluted bar portion of high accuracy high efficiency on ordinary drilling machine.

Description

Drilling machining tool for workpiece with hole in head part with groove and rod part

Technical Field

The utility model relates to a porose work piece drilling processing frock of head trough of belt pole portion.

Background

In actual production, particularly aerospace standard components, a plurality of screws and pins are in a structure that a head part is provided with a groove and a rod part is provided with a hole, the groove and the hole form a specific included angle, generally 90 degrees, 60 degrees, 37 degrees and the like, and the tolerance requirement of the included angle between the groove and the hole is strict. As shown in figure 1, the head of the pin is provided with a straight groove 1, the rod is provided with a pin hole 2, and a specific included angle is formed between the straight groove 1 and the pin hole 2.

When manufacturing this type of pin, in order to guarantee that the contained angle between a straight line groove and the pinhole satisfies the required precision, often adopt four-axis numerical control machining center to carry out the precision finishing, but because this type of product quantity is huge, adopt numerical control machining center not only the cost is higher, and machining efficiency is low moreover, can't effectively satisfy the pin quantity demand. If a straight groove is firstly processed at the pin head part, then the pin is directly clamped on a common drilling machine fixture for processing the pin hole, the included angle between the straight groove at the pin head part and the drill bit is difficult to ensure, so that the pin with the accuracy of the included angle between the head groove and the rod part hole meeting the requirement is difficult to be processed with high efficiency and high accuracy.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a porose work piece drilling processing frock of head trough of belt pole portion to solve among the prior art and can't process out the technical problem of the porose work piece of head trough of belt pole portion at high efficiency, high accuracy ground on ordinary drilling machine.

In order to solve the technical problem, the utility model discloses the porose work piece drilling processing frock of well head trough of belt pole portion adopts following technical scheme:

a workpiece drilling tool with a hole in a rod part with a groove at the head part comprises a base; the static pressure block and the base are relatively fixed; the movable pressing block is arranged opposite to the static pressing block and can move towards and away from the static pressing block under the driving of the driving mechanism; the end faces of the static pressure block and the dynamic pressure block, which are opposite to each other, are provided with rod part accommodating grooves with lengths extending along the horizontal direction, and the dynamic pressure block moves towards the static pressure block to clamp the rod part of the workpiece in the rod part accommodating grooves; drill bit guide grooves are respectively formed in the opposite end faces of the static pressure block and the dynamic pressure block, the drill bit guide grooves are perpendicular to and communicated with the rod part accommodating grooves, and the dynamic pressure block and the static pressure block guide a drill bit to drill holes through groove walls of the drill bit guide grooves; the axial positioning surface is matched with the end surface of one end of the workpiece in a stopping way, and the relative position of the workpiece and the drill bit guide groove in the axial direction is limited; the circumferential positioning piece is provided with a positioning convex part matched with the head groove of the workpiece, and the positioning convex part is in concave-convex fit with the head groove to determine a circumferential included angle between the head groove and the drill bit guide groove.

The beneficial effects are that: this processing frock is installed on ordinary lathe when using, through the cooperation of work piece terminal surface with the axial positioning face, make the distance between work piece terminal surface and the drill bit guiding groove equal the hole that will process and the distance between the work piece terminal surface, and simultaneously, retrain the work piece through circumference setting element, guarantee that the contained angle of work piece head recess and drill bit guiding groove equals the contained angle of setting for between the hole that will process and the work piece head recess, compress tightly work piece pole portion in pole portion holding tank through dynamic pressure head, realize the stable clamping of work piece on the processing frock, then only need operate the drilling machine drilling, can process out the porose work piece of head portion trough of belt pole portion with high efficiency and high accuracy on ordinary lathe.

Further, be provided with axial positioning element on the base, the axial positioning face is located axial positioning element, and axial positioning element and circumference setting element are in the relative both sides of pole portion holding tank respectively, and the circumference setting element sets up on the base along pole portion holding tank length direction with sliding.

The beneficial effects are that: the axial positioning piece and the circumferential positioning piece are arranged on two opposite sides of the rod part accommodating groove, when a workpiece is clamped, the end face of the workpiece, which is opposite to the head part, is matched with the axial positioning face and the stop of the axial positioning piece, then the circumferential positioning piece slides towards the head part of the workpiece to be matched with the workpiece, and the workpiece is clamped between the axial positioning piece and the circumferential positioning piece, so that the workpiece is stably positioned along the axial direction, and the machining precision of the workpiece is ensured.

Further, the axial positioning piece is a thimble, and the axial positioning surface is an end surface of the thimble.

The beneficial effects are that: the ejector pin is arranged as an axial positioning piece, when the end face of the workpiece, back to the head, is clamped between the dynamic pressure block and the static pressure block, the ejector pin can still extend between the dynamic pressure block and the static pressure block to be matched with the end face of the workpiece, the workpiece with the closer hole-end distance can be effectively positioned, and the use convenience of the tool is improved.

Further, an axial positioning piece mounting seat is fixedly mounted on the base, and the axial positioning piece is adjustably arranged on the axial positioning piece mounting seat along the length direction of the rod part accommodating groove.

The beneficial effects are that: aiming at the workpieces with different distances between the hole and the end part, the position of the axial positioning piece is only required to be adjusted, and the universality of the tool is improved.

Further, the axial positioning piece is installed on the axial positioning piece installation seat through threads.

The beneficial effects are that: the axial positioning piece is installed on the axial positioning piece installation seat in a threaded mode, the axial positioning piece can be finely adjusted in position, in addition, when the axial positioning piece is used, self locking can be realized when the axial positioning piece is subjected to axial force, the axial positioning face is ensured to be stably located at the adjusted position, and the machining precision of a workpiece is ensured.

Further, a circumferential positioning piece mounting seat is arranged on the base, the circumferential positioning piece is disc-shaped and is rotatably mounted on the circumferential positioning piece mounting seat around the axis of the circumferential positioning piece, the positioning convex part is arranged on the end face of the circumferential positioning piece, the circumferential positioning piece is rotated to change an included angle between a groove at the head of a workpiece restrained by the positioning piece and the drill bit guide groove, and a locking piece is arranged between the circumferential positioning piece and the circumferential positioning piece mounting seat.

The beneficial effects are that: set up the circumference setting element into discoid, to the work piece that head recess and pole portion hole contained angle are different, only need rotate adjustment circumference setting element can, can conveniently adjust processing frock and make processing frock can be applicable to the work piece that pole portion hole and head recess contained angle are different.

Furthermore, at least two locking holes are formed in one of the disc-shaped circumferential positioning piece and the circumferential positioning piece mounting seat, a locking hole corresponding hole is formed in the other one of the disc-shaped circumferential positioning piece and the circumferential positioning piece mounting seat, the locking hole corresponding hole corresponds to different locking holes by rotating the head positioning piece, and the circumferential positioning piece is locked on the circumferential positioning piece mounting seat by inserting a locking pin into the locking hole corresponding hole and the corresponding locking hole.

The beneficial effects are that: the circumferential positioning piece and the circumferential positioning piece mounting seat are provided with locking holes and locking hole corresponding holes, and the circumferential positioning piece can be conveniently and stably locked on the circumferential positioning piece mounting seat by inserting pins into the locking holes and the locking hole corresponding holes.

Furthermore, a static pressure block mounting seat and a dynamic pressure block mounting seat are mounted on the base, the static pressure block and the dynamic pressure block are respectively detachably mounted on the static pressure block mounting seat and the dynamic pressure block mounting seat, the driving mechanism is a screw nut mechanism, the static pressure block mounting seat forms a screw mounting seat of the screw nut mechanism, and the dynamic pressure block mounting seat forms a nut of the screw nut mechanism.

The beneficial effects are that: the movable pressing block and the static pressing block corresponding to the workpiece can be conveniently replaced aiming at the workpieces of different models and specifications, so that the tool can be suitable for the workpieces of different models and specifications, the universality of the tool is improved, meanwhile, the screw rod nut mechanism is adopted as the driving mechanism, the simple and convenient arrangement of the driving mechanism is realized, and the position of the movable pressing block can be flexibly adjusted by an operator conveniently.

Drawings

Fig. 1 is a schematic structural view of a pin for clamping a workpiece with a hole at a grooved rod part of a middle head part of the utility model;

fig. 2 is a schematic structural view of a workpiece drilling tool in accordance with embodiment 1 of the present invention, wherein the workpiece has a hole in a rod part with a slot at a middle head part;

fig. 3 is a schematic structural view of a base provided with a static pressure block mounting seat according to embodiment 1 of the drilling tool for a workpiece with a hole at a rod part of a middle head part;

fig. 4 is a schematic structural view of a static pressure block of the workpiece drilling tool in embodiment 1 of the invention, wherein the workpiece has a hole at the grooved rod part of the middle head part;

fig. 5 is a schematic structural view of a circumferential positioning member of the workpiece drilling tool in embodiment 1 of the present invention, wherein the workpiece has a hole at the slotted rod part of the middle head part;

fig. 6 is a schematic structural view of a circumferential positioning member mounting seat of the drilling tool for a workpiece with a hole at the slotted rod part of the middle head part of the present invention in embodiment 1;

fig. 7 is a schematic view of the circumferential positioning member and the pin head of the tool for drilling a workpiece with a hole in the grooved rod part of the middle head part of the present invention, according to embodiment 1;

in the figure: 1-a groove; 2-pin holes; 3-a base; 4-static briquetting; 5-moving and pressing the block; 6-static pressure block mounting seat; 7-dynamic pressure block mounting seat; 8-a first dovetail groove; 9-a second dovetail groove; 10-lead screw mounting holes; 11-a lead screw; 12-a runner; 13-a rod-portion receiving groove; 14-pins to be machined; 15-drill guide groove; 16-a circumferential locator mount; 17-a circumferential positioning element; 18-locating element mounting holes; 19-a-shaped protrusion; 20-locking holes; 21-locking hole corresponding hole; 22-a locating pin; 23-a thimble; 24-dovetail block; 25-static pressure block mounting groove; 26-axial positioning element mount.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The features and properties of the present invention are described in further detail below with reference to examples.

The utility model discloses a head grooved bar portion porous work piece drilling processing frock's embodiment 1: in this embodiment, take the pin that head recess 1 and pole portion pinhole 2 shown in fig. 1 have the settlement contained angle as an example, it is right the utility model discloses the porose work piece drilling processing frock of well head fluted pole portion introduces.

As shown in fig. 2, the tool comprises a base 3, a static pressure block 4 and a dynamic pressure block 5, wherein the static pressure block 4 is installed on a static pressure block installation seat 6, the dynamic pressure block 5 is installed on a dynamic pressure block installation seat 7, and the dynamic pressure block 5 can move towards and away from the static pressure block 4 under the driving of a driving device.

As shown in fig. 3, the base 3 is an L-shaped plate, and two dovetail grooves are formed in the base 3 of the L-shaped plate, and respectively include a first dovetail groove 8 having a length extending in the front-rear direction and a second dovetail groove 9 having a length extending in the left-right direction, and the two dovetail grooves are crossed.

The static pressure block mounting seat 6 and the dynamic pressure block mounting seat 7 are rectangular blocks, and the static pressure block mounting seat 6 and the dynamic pressure block mounting seat 7 are oppositely arranged in the front-back direction. The static pressure block mounting seat 6 and the dynamic pressure block mounting seat 7 are respectively located on two sides of the second dovetail groove 9, wherein the static pressure block mounting seat 6 is fixed relative to the base 3, and the dynamic pressure block mounting seat 7 is in guide fit with the first dovetail groove 8 through a bottom sliding block and can move towards and away from the static pressure mounting seat 6 along the first dovetail groove 8 under the driving of the driving device. The static pressure block mounting seat can also be welded and fixed on the base or integrally formed with the base.

In this embodiment, the driving device is a nut and screw mechanism. As shown in fig. 2, the static pressure block mounting seat 6 serves as a screw mounting seat, and a screw mounting hole 10 having an axis extending in the front-rear direction is formed in an end surface thereof facing the dynamic pressure block mounting seat 7, a screw of the nut screw mechanism is specifically a screw 11 shown in fig. 1, one end of the screw 11 is mounted in the screw mounting hole 10, and the other end of the screw passes through the dynamic pressure block mounting seat 7 and extends rearward. The screw 11 is screw-fitted to the dynamic pressure block mounting seat 7, so that the dynamic pressure block mounting seat 7 constitutes a nut of the nut-screw mechanism. In order to rotate the screw rod 11 conveniently, a rotating wheel 12 is fixed at the rear end of the screw rod 11.

The rotating wheel 12 is rotated to drive the screw rod 11 to rotate, so that the movable pressing block mounting seat 7 drives the movable pressing block 5 to move towards and away from the static pressing block 4, and the driving device indirectly drives the movable pressing block 5 to move towards and away from the static pressing block 4. In other embodiments, a telescopic cylinder may be further installed on the base 3 as a driving mechanism, and a telescopic rod of the telescopic cylinder can telescopically drive the dynamic pressure block installation seat to move towards and away from the static pressure block installation seat along the front-back direction, or of course, the dynamic pressure block may be directly installed on the telescopic rod of the telescopic cylinder.

In the present embodiment, the dynamic pressure block 5 and the static pressure block 4 have the same structure, and are rectangular blocks each having a groove at an end portion.

Specifically, taking static pressure piece 4 as an example, as shown in fig. 4, static pressure piece 4 sets up the pole portion holding tank 13 that length extends along left right direction on the terminal surface of movable pressing piece 5, in this embodiment, pole portion holding tank 13 is the arc wall with 14 pole portion adaptations of pin to be processed, when movable pressing piece and static pressure piece clamp the pin 14 to be processed, the pole portion of the pin 14 to be processed is clamped tightly in the pole portion holding tank 13 on the relative terminal surface of movable pressing piece and static pressure piece, and it is guaranteed that the pin 14 to be processed can not break away from the processing tool along the up-down direction. The movable pressing block 5 and the static pressing block 4 clamp the pin 14 to be machined above the second dovetail groove 9. Regarding the structure of the rod receiving groove, in other embodiments, the rod receiving groove may also be a groove with a V-shaped cross section.

The static pressure block 4 has still seted up drill bit guiding groove 15 on the terminal surface towards moving the briquetting 5, and the length of drill bit guiding groove 15 extends along upper and lower direction, becomes cross arrangement with pole portion holding tank 13, presss from both sides tightly behind the pole portion of treating processing pin 14 at dynamic pressure block 5 and static pressure block 4, and during the processing pinhole, the cell wall that utilizes drill bit guiding groove 15 on the relative terminal surface of dynamic pressure block, static pressure block retrains the guide to the drill bit, improves the machining precision of pinhole.

In order to install the dynamic pressure block 5 and the static pressure block 4, a pressure block installation groove is further formed in the end face, opposite to the dynamic pressure block installation seat 7 and the static pressure block installation seat 6, of the static pressure block installation seat 6, as shown in fig. 3, a static pressure block installation groove 25 for installing the static pressure block 4 is formed in the end face, facing the dynamic pressure block installation seat 7, of the static pressure block installation seat 6, in the embodiment, the upper portion of the static pressure block installation groove 25 is open, the static pressure block installation groove 25 is a rectangular groove matched with the shape of the static pressure block 4, when the static pressure block is installed, the static pressure block 4 is inserted into the static pressure block installation groove 25, and glue is applied to fix the static pressure block 4.

In another embodiment, a dovetail groove extending in the vertical direction may be formed in a wall of the static pressure block mounting groove facing the dynamic pressure block mounting seat, and correspondingly, a dovetail slider may be formed on an end surface of the static pressure block facing away from the dynamic pressure block mounting seat, and the static pressure block may be mounted in the static pressure block mounting groove by fitting the dovetail slider with the dovetail groove. The dynamic pressure block 5 is mounted on the dynamic pressure block mounting seat 7 in the same manner as the static pressure block 4 is mounted on the static pressure block mounting seat 6.

In other embodiments, the structures of the dynamic and static pressing blocks may be different, for example, only one of the two blocks is provided with the rod accommodating groove. The dynamic pressure block and the static pressure block can be respectively integrated with the dynamic pressure block mounting seat and the static pressure block mounting seat, and when the static pressure block, the static pressure block mounting seat and the base are integrated, the static pressure block and the base are integrated.

Because the pin hole is processed on the rod part of the pin 14 to be processed according to the set included angle with the head groove, when the pin 14 to be processed is clamped, the set angle is required to be kept between the groove at the head part of the pin 14 to be processed and the drill bit guide groove, so as to ensure that the included angle between the hole drilled on the rod part of the pin 14 to be processed by the drill bit and the groove at the head part meets the design requirement, and therefore, the circumferential positioning piece 17 for positioning the head part of the pin 14 to be processed is further installed on the base 1 through the circumferential positioning piece installation seat 16.

As shown in fig. 5, the circumferential positioning member mounting seat 16 is a rectangular plate, and the positioning member mounting seat 16 is installed on the base 1 through the dovetail block 24 at the bottom thereof and the second dovetail groove 9 in a guiding fit manner, so that the positioning member mounting seat 16 can move left and right along the second dovetail groove 9. The upper part of the positioning element mounting seat 16 is provided with a positioning element mounting hole 18 for mounting the circumferential positioning element 17.

The structure of the circumferential positioning member 17 is as shown in fig. 6, the circumferential positioning member 17 is disc-shaped, and when being installed, the circumferential positioning member 17 is inserted into the positioning member installation hole 18. As shown in fig. 7, a positioning convex part which is matched with the groove at the head of the pin 14 to be processed is arranged on the left end surface of the circumferential positioning piece 17, and the rotation-stopping matching between the pin 4 to be processed and the circumferential positioning piece 17 is realized by the insertion matching of the positioning convex part and the groove at the head of the pin 14 to be processed. In this embodiment, the positioning protrusion is a linear protrusion 19. The circumferential locator 17 is able to rotate about its own axis within the locator mounting hole 18 to vary the angle defined between the workpiece head recess and the drill guide slot. In other embodiments, the positioning projection may also be two stop pins arranged side by side.

Meanwhile, in order to lock the circumferential positioning member 17 relative to the positioning member mounting seat 16, a locking hole 20 is formed in the circumferential surface of the circumferential positioning member 17, correspondingly, as shown in fig. 5, a locking hole corresponding hole 21 is further formed in the upper end surface of the positioning member mounting seat 16, the axis of the locking hole corresponding hole 21 extends in the up-down direction, the locking hole corresponding hole 21 is communicated with the positioning member mounting hole 18, when the circumferential positioning member is adjusted to be capable of restraining that the included angle between the head groove of the workpiece and the drill guiding groove is equal to the set included angle between the pin hole of the pin 14 to be machined and the head groove, the locking hole 20 is aligned with the locking hole corresponding hole 21, and the head positioning member 17 is locked relative to the head. In this embodiment, the locking member is a positioning pin 22 inserted into the corresponding hole 21 and the locking hole 20.

Three locking holes 20 are formed in the circumferential positioning piece 17, the three locking holes 20 are radially arranged along the circumferential direction of the circumferential positioning piece 17 by taking a point on the axis of the cylindrical circumferential positioning piece 17 as a center, and the circumferential positioning piece 17 can be fixed at different positions by corresponding the different locking holes 20 to the locking hole corresponding holes 21.

The number of locking holes can be adaptively increased or decreased in other embodiments in combination with the number of types of workpieces actually to be machined. Of course, only one hole may be formed in the circumferential positioning member as a corresponding hole for the locking hole, a plurality of holes may be formed in the circumferential positioning member mounting seat as locking holes, and positioning pins may be inserted into the corresponding holes of the locking holes and the different locking holes to adjust and lock the positions of the circumferential positioning member. Or a plurality of holes can be simultaneously arranged on the circumferential positioning piece to be used as locking holes, and a plurality of holes are simultaneously arranged on the circumferential positioning piece mounting seat to be used as corresponding holes of the locking holes.

In addition, in order to ensure that the relative position between the processed pin hole and the end surface of the pin meets the design requirement, an axial positioning piece is also installed on the base 1 through an axial positioning piece installation seat 26.

In this embodiment, as shown in fig. 1, the axial positioning element is a thimble 23, an axis of the thimble 23 penetrates the axial positioning element mounting seat 22 in a manner of extending along the left-right direction, and is in threaded fit with the thimble mounting seat 22, the thimble 23 can be rotated to face and be away from the circumferential positioning element 17 along the left-right direction, when the thimble 23 moves towards the circumferential positioning element 17, the thimble can abut against an end surface of the to-be-processed pin 14 facing away from the head, and the to-be-processed positioning element 14 is urged towards the circumferential positioning element, so that the end surface of the head of the to-be-processed pin 14 can be tightly attached to the left. The axial positioning piece and the end face matched with the workpiece to be processed form an axial positioning face of the processing tool. When the pin 14 to be machined is clamped, the end face of the pin 14 to be machined is abutted against the axial positioning face, and then the circumferential positioning piece 17 is pushed towards the pin 14 to be machined to be matched with the pin 14 to be machined. In order to adjust the thimble 23 to a proper position, scales may be provided on the outer circumferential surface of the thimble 23, so that an operator may determine the adjustment amount of the thimble 23.

In this embodiment, the axial positioning member mount 26 is integrally formed with the static pressure pad mount 6, and extends toward the dynamic pressure pad mount 7 with respect to the static pressure pad mount 6. In other embodiments, the axial locator mount may also be formed separately from the static pad mount, with the axial locator mount being directly fixed to the base. The axial positioning piece can also be a bolt which is screwed on the mounting seat of the axial positioning piece.

The utility model discloses in foraminiferous work piece drilling processing frock embodiment 2 of well head fluted bar portion, different with embodiment 1, in this embodiment, no longer set up the axial positioning piece, utilize the circumference setting element to set up the terminal surface of location convex part as the head terminal surface cooperation of axial positioning face with the work piece to inject the relative position of work piece and drill bit guiding groove in the axial. At the moment, when the tool is used, the head positioning piece is fixed relative to the rod accommodating groove, when a workpiece is clamped, the groove in the head of the workpiece is in concave-convex fit with the positioning convex part on the head positioning piece, and the end face of the head of the workpiece is tightly attached to the end face of the head positioning piece provided with the positioning convex part.

The utility model discloses in the porose work piece drilling processing frock embodiment 3 of well head trough of belt pole portion, different with embodiment 1, in this embodiment, process out the arch as the key on the circumference setting element outer peripheral face, correspondingly, process out a plurality of keyways on the pore wall of setting element mounting hole, through the circumference setting element outer peripheral face on the key with different keyways insert the adjustment and the locking that realize circumference setting element position. The key on the outer circumferential surface of the axial positioning element constitutes a locking element for locking the circumferential positioning element relative to the circumferential positioning element mounting seat.

The utility model discloses the porose work piece drilling processing frock embodiment 4 in well head portion trough of belt pole portion, different with embodiment 1, in this embodiment, install the installation pipe that axis extending direction and pole portion holding tank length extending direction are unanimous on circumference setting element mount pad, the cartridge locating lever is as the axial setting element in the installation pipe, set up a plurality of fixed orificess side by side along its axial on the locating lever, correspond, set up a locating pin cartridge hole that corresponds with the fixed orifices on the installation pipe, correspond the position that changes the axial setting element along pole portion holding tank length extending direction with locating pin cartridge hole through different fixed orifices, and fix the position of locating lever with the cartridge fixed pin in the locating pin cartridge is downthehole and the fixed orifices.

The utility model discloses in foraminiferous work piece drilling processing frock embodiment 5 of well head fluted bar portion, different with embodiment 1 is, in this embodiment, single, need not to adjust the prerequisite of the contained angle between work piece head recess and the drill bit guiding groove at the work piece specification that will process under, make circumference setting element and circumference setting element mount pad integrated into one piece.

The utility model discloses in the porose work piece drilling processing frock embodiment 6 of head portion fluted bar portion, different with embodiment 1 is, in this embodiment, installs the telescoping cylinder on the base, the telescoping cylinder of telescoping cylinder can be followed and controlled the direction and stretch out and draw back, fixes circumference setting element mount pad on the telescopic link of telescoping cylinder.

It should be noted that, in the above embodiments, the structure and the operation principle of the tool for drilling the workpiece with a hole in the head portion with a slot are described by using the pin shown in fig. 1 as an example, and the tool for drilling the workpiece with a hole in the head portion with a slot may also be used for machining screws with a slot in the head portion and a hole in the rod portion.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, the protection scope of the present invention is defined by the claims, and all structural changes equivalent to the contents of the description and drawings of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. The utility model provides a porose work piece drilling processing frock of head trough of belt pole portion, characterized by includes:

a base;

the static pressure block is relatively fixed with the base;

the movable pressing block is arranged opposite to the static pressing block and can move towards and away from the static pressing block under the driving of the driving mechanism;

the end faces of the static pressure block and the dynamic pressure block, which are opposite to each other, are provided with rod part accommodating grooves with lengths extending along the horizontal direction, and the dynamic pressure block moves towards the static pressure block to clamp the rod part of the workpiece in the rod part accommodating grooves;

drill bit guide grooves are respectively formed in the opposite end faces of the static pressure block and the dynamic pressure block, the drill bit guide grooves are perpendicular to and communicated with the rod part accommodating grooves, and the dynamic pressure block and the static pressure block guide a drill bit to drill holes through groove walls of the drill bit guide grooves;

the axial positioning surface is in stop fit with one end face of the workpiece and limits the relative position of the workpiece and the drill bit guide groove in the axial direction;

and the circumferential positioning piece is provided with a positioning convex part matched with the head groove of the workpiece, and the positioning convex part is in concave-convex fit with the head groove to determine a circumferential included angle between the head groove and the drill bit guide groove.

2. The tooling for drilling the workpiece with the hole in the rod part of the head part as claimed in claim 1, wherein the base is provided with an axial positioning element, the axial positioning surface is located on the axial positioning element, the axial positioning element and the circumferential positioning element are respectively located on two opposite sides of the rod part accommodating groove, and the circumferential positioning element is slidably arranged on the base along the length direction of the rod part accommodating groove.

3. The tooling of claim 2, wherein the axial positioning member is a thimble and the axial positioning surface is an end surface of the thimble.

4. The tool for drilling the workpiece with the hole in the rod part at the head part as claimed in claim 2 or 3, wherein the base is fixedly provided with an axial positioning piece mounting seat, and the axial positioning piece is adjustably arranged on the axial positioning piece mounting seat along the length direction of the rod part accommodating groove.

5. The tool for drilling the workpiece with the hole in the rod part with the groove in the head part as claimed in claim 4, wherein the axial positioning piece is mounted on the axial positioning piece mounting seat through threads.

6. The tool for drilling and machining the workpiece with the hole in the head part and the grooved rod part as claimed in any one of claims 1 to 3, wherein the base is provided with a circumferential positioning member mounting seat, the circumferential positioning member is disc-shaped and is rotatably mounted on the circumferential positioning member mounting seat around the axis thereof, the positioning convex part is arranged on the end surface of the circumferential positioning member, the circumferential positioning member can be rotated to change the included angle between the groove of the workpiece head part constrained by the positioning member and the drill bit guide groove, and a locking member is arranged between the circumferential positioning member and the circumferential positioning member mounting seat.

7. The tool for drilling the workpiece with the hole at the head part and the rod part as claimed in claim 6, wherein at least two locking holes are formed in one of the disc-shaped circumferential positioning member and the circumferential positioning member mounting seat, and a corresponding locking hole is formed in the other one of the disc-shaped circumferential positioning member and the circumferential positioning member mounting seat, the corresponding locking hole corresponds to a different locking hole by rotating the head positioning member, and the circumferential positioning member is locked on the circumferential positioning member mounting seat by inserting a locking pin into the corresponding locking hole and the corresponding locking hole.

8. The tool for drilling the workpiece with the grooved head and the grooved rod part as claimed in any one of claims 1 to 3, wherein the base is provided with a static pressure block mounting seat and a dynamic pressure block mounting seat, the static pressure block and the dynamic pressure block are respectively detachably mounted on the static pressure block mounting seat and the dynamic pressure block mounting seat, the driving mechanism is a lead screw nut mechanism, the static pressure block mounting seat forms a lead screw mounting seat of the lead screw nut mechanism, and the dynamic pressure block mounting seat forms a nut of the lead screw nut mechanism.

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