CN213560074U

CN213560074U - Machined part drilling location frock

Info

Publication number: CN213560074U
Application number: CN202022247474.XU
Authority: CN
Inventors: 李伟
Original assignee: Beijing Guangrui Machinery Manufacturing Co ltd
Current assignee: Beijing Guangrui Machinery Manufacturing Co ltd
Priority date: 2020-10-11
Filing date: 2020-10-11
Publication date: 2021-06-29
Anticipated expiration: 2030-10-11

Abstract

The application relates to a workpiece drilling and positioning tool, which comprises two clamping plates capable of being stably connected with a workpiece, wherein each clamping plate comprises an upper clamping plate and a lower clamping plate; a plurality of upper positioning through holes are formed in the upper clamping plate, and limiting mechanisms are fixedly connected to the upper positioning through holes; the limiting mechanisms can be connected with second positioning holes in the workpiece to keep the position of the workpiece and the position of the upper clamping plate fixed; the two clamping plates are provided with fastening mechanisms which are used for fixedly connecting the clamping plates and keeping the positions relatively stable; the drilling machine comprises a drilling machine body, a plurality of clamping plates and a plurality of guide holes, wherein the two clamping plates are fixedly connected with each other through a plurality of connecting plates, the connecting plates are provided with the guide holes, the axes of the guide holes are intersected and are correspondingly equal to included angles between holes to be machined, and the guide holes provide guide channels for a drilling machine drill bit to align to the drilling position of a machined part. The drilling position of the workpiece is conveniently aligned and positioned, manual marking is omitted, and the drilling efficiency is improved.

Description

Machined part drilling location frock

Technical Field

The utility model belongs to the technical field of machining assistance-localization real-time frock and specifically relates to a machined part drilling location frock is related to.

Background

The drilling positioning tool is simple equipment which is used for fixing a workpiece in the mechanical manufacturing process, so that the workpiece is positioned at the correct position to ensure the drilling precision and improve the drilling efficiency.

Referring to fig. 1, a workpiece includes a base plate 1, and the base plate 1 is a circular plate. The chassis 1 has seted up constant head tank 11 on the surface, and constant head tank 11 is equipped with the opening along chassis 1 lateral wall direction, and the central line direction on the constant head tank 11 width direction is the same with a diameter direction of chassis 1, has seted up four first locating holes 111 in the constant head tank 11, and four first locating holes 111 are about the even symmetric distribution of central line on the constant head tank 11 width direction. A plurality of second positioning holes 12 are uniformly distributed on the surface of the chassis 1 along two ends of the center line in the width direction of the clamping groove. Three screw hole 13 has been seted up to the 1 side in chassis, and three screw hole 13 sets up along 1 circumference interval in chassis, and three screw hole 13 all is located one side of the 11 ascending central lines in width direction of constant head tank, and the axis of three screw hole 13 is 31 °, 80 °, 129 in proper order with the 11 ascending central line contained angles in width direction of constant head tank. One end on the chassis 1 is coaxially and fixedly connected with a limiting ring 2, the inner diameter of the limiting ring 2 is the same as that of the chassis 1, and the outer diameter of the limiting ring 2 is smaller than that of the chassis 1. The other end on the chassis 1 is coaxial fixedly connected with cylinder 3, and cylinder 3 is the pipe, and 3 internal diameters of cylinder are less than 1 internal diameter on chassis, and 3 external diameters of cylinder are greater than 1 internal diameter on chassis and are less than 2 external diameters of spacing ring. When the threaded hole 13 on the side surface of the chassis 1 is processed and produced, the position of the threaded hole 13 needs to be marked first, and then a drill bit is used for drilling the marked position on the side surface of the chassis 1.

The above prior art solutions have the following drawbacks: when the threaded hole is marked manually, the position of the threaded hole needs to be accurately measured and then marked, marking time is long, and drilling efficiency is low.

SUMMERY OF THE UTILITY MODEL

In order to improve the efficiency to above-mentioned machined part drilling, the utility model provides a machined part drilling location frock.

The application provides a machined part drilling location frock adopts following technical scheme:

a drilling and positioning tool for a workpiece comprises two clamping plates which can be stably connected with the workpiece, wherein each clamping plate comprises an upper clamping plate and a lower clamping plate;

a plurality of upper positioning through holes are formed in the upper clamping plate, and limiting mechanisms are fixedly connected to the upper positioning through holes; the limiting mechanisms can be connected with second positioning holes in the workpiece to keep the position of the workpiece and the position of the upper clamping plate fixed;

the two clamping plates are provided with fastening mechanisms which are used for fixedly connecting the clamping plates and keeping the positions relatively stable;

the drilling machine comprises a drilling machine body, a plurality of clamping plates and a plurality of guide holes, wherein the two clamping plates are fixedly connected with each other through a plurality of connecting plates, the connecting plates are provided with the guide holes, the axes of the guide holes are intersected and are correspondingly equal to included angles between holes to be machined, and the guide holes provide guide channels for a drilling machine drill bit to align to the drilling position of a machined part.

By adopting the technical scheme: the machining piece is placed between the two clamping plates, the position of the machining piece is adjusted, the limiting mechanism is inserted into the upper positioning through hole and the second positioning hole, the relative position between the machining piece and the clamping plates is kept fixed, the fastening mechanism integrally fixes the upper clamping plate, the lower clamping plate and the machining piece, and the contact position of the machining piece and the guide hole is a drilling position. The drilling position of the workpiece is conveniently aligned and positioned, manual marking is omitted, and the drilling efficiency is improved.

The utility model discloses further set up to: the splint are the hexagonal plate of flat shape, the connecting plate sets up to three, three connecting plate is fixed in three edges that splint are adjacent.

By adopting the technical scheme: two splint are parallel hexagonal plate, therefore the limit that is provided with the connecting plate always can correspond an edge parallel with it, and when the connecting plate was perpendicular with the drill bit, the limit that corresponds with the limit of connecting plate place and workstation steady contact play the supporting role. After the machining of one threaded hole is completed, only the whole tool needs to be rotated, so that the other edge which is not provided with the connecting plate is in close contact with the workbench, and the drill bit is aligned to the guide hole in the connecting plate on the corresponding edge to be drilled. And repeating the actions until three threaded holes in the machined part are machined. The whole frock process of adjustment is repeated in the reduction, improves drilling efficiency.

The utility model discloses further set up to: the lower clamping plate is provided with a first limiting hole, and a limiting ring on the workpiece can pass through the first limiting hole;

and a second limiting hole is formed in the upper clamping plate, and the cylinder on the machined part can penetrate through the second limiting hole.

By adopting the technical scheme: the processing piece is fixed between the two clamping plates, the distance between the two clamping plates is reduced, the stability of connection between the two clamping plates and the processing piece is improved, and the processing piece is prevented from shaking along the axis direction of the processing piece.

The utility model discloses further set up to: the limiting mechanism comprises a limiting pin, and the limiting pin is a steel cylinder.

By adopting the technical scheme: the limiting mechanism is simple in structure, the position of a workpiece is determined, and meanwhile the drilling efficiency is improved simply and conveniently.

The utility model discloses further set up to: one end of the connecting plate is fixedly connected with the lower clamping plate, and a clamping bulge is arranged at one end of the connecting plate, which faces the upper clamping plate;

the upper clamping plate is provided with a clamping groove, and the clamping groove is used for cooperating with the clamping protrusion.

By adopting the technical scheme: insert the joint arch in the joint groove, be convenient for realize the accurate stable connection between punch holder and the lower plate fast.

The utility model discloses further set up to: the fastening device comprises two fixing clips; the fixing clamp comprises two hinged clamping plates, a fastening bolt penetrates between the two clamping plates, an adjusting threaded sleeve is connected onto the fastening bolt in a threaded mode, and the angle between the two clamping plates can be changed by changing the relative position of the adjusting threaded sleeve and the fastening bolt.

By adopting the technical scheme: the fixing clamp can be detached, the fixing position can be changed, and any position can be strengthened and fixed in a targeted manner.

The utility model discloses further set up to: two lower positioning through holes are formed in the lower clamping plate, and correspond to the two upper positioning through holes one by one;

a limiting bolt penetrating through the upper positioning through hole, the second positioning hole and the lower positioning through hole is arranged on the lower clamping plate in a penetrating manner; the limiting bolt comprises a smooth rod part close to the nut part and a threaded part far away from the nut part;

the limiting mechanism comprises a polished rod part of the limiting bolt;

the fastening mechanism comprises the threaded part of the limiting bolt and the fastening threaded sleeve.

By adopting the technical scheme: the polished rod part of the limiting bolt sequentially penetrates into the upper positioning through hole, the second positioning hole and the lower positioning through hole to realize the integral positioning of the upper clamping plate, the lower clamping plate and the workpiece; the fastening screw sleeve is in threaded connection with the threaded part of the limiting bolt, so that the upper clamping plate, the lower clamping plate and the machined part are integrally fixed.

The utility model discloses further set up to: two lower insertion blocks and two upper insertion blocks are fixedly connected to two ends of the connecting plate respectively;

the upper clamping plate is provided with an upper inserting groove with a plurality of inserting upper inserting blocks;

and the lower clamping plate is provided with a plurality of lower inserting grooves for inserting the lower inserting blocks.

By adopting the technical scheme: the connecting plate can be adjusted between the lower clamping plate and the upper clamping plate, and is suitable for workpieces with other drilling position requirements.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the drilling position of the workpiece is convenient to find and position, manual marking is omitted, and the drilling efficiency is improved;

2. the process of repeatedly adjusting the whole tool is reduced, and the drilling efficiency is improved;

3. the fixing clamp can be detached, the fixing position can be changed, and any position can be strengthened and fixed in a targeted manner.

Drawings

FIG. 1 is a schematic view of the overall structure of a workpiece in the prior art;

FIG. 2 is a schematic view of the overall structure in the first embodiment;

FIG. 3 is a schematic view showing the overall structure of a lower splint according to an embodiment;

FIG. 4 is a schematic view showing the overall structure of an upper plate according to the first embodiment;

FIG. 5 is a schematic view showing the connection relationship between the upper clamping plate and the workpiece according to the first embodiment;

FIG. 6 is a schematic view of the overall structure in the second embodiment;

FIG. 7 is a schematic view showing the entire structure of a lower plate in the second embodiment;

fig. 8 is a sectional view showing the connection relationship between the connection plate and the upper and lower clamping plates in the third embodiment.

Description of reference numerals: 1. a chassis; 11. positioning a groove; 111. a first positioning hole; 12. a second positioning hole; 13. a threaded hole; 2. a limiting ring; 3. a cylinder; 4. a splint; 41. a lower splint; 411. a first limit hole; 412. a connecting plate; 4121. a guide hole; 4122. clamping the bulges; 4123. a lower plug-in block; 4124. an upper plug-in block; 413. a lower positioning through hole; 414. a lower insertion groove; 42. an upper splint; 421. a second limiting hole; 422. an upper positioning through hole; 423. a clamping groove; 424. an upper insertion groove; 5. a limiting mechanism; 51. a spacing pin; 61. a fixing clip; 611. a clamping plate; 612. fastening a bolt; 613. adjusting the threaded sleeve; 7. a limit bolt; 8. and (5) fastening the threaded sleeve.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example one

Referring to fig. 2 and 3, the workpiece drilling and positioning tool comprises two clamping plates 4, wherein the two clamping plates 4 are both parallel hexagonal plates. The chucking plate 4 includes a lower chucking plate 41 and an upper chucking plate 42. First spacing hole 411 has been seted up on lower plate 41, and first spacing hole 411 is the circular port, and first spacing hole 411 axis and the coincidence of lower plate 41 central line, first spacing hole 411 diameter are the same with spacing ring 2 external diameter, and first spacing hole 411 can hold spacing ring 2.

Referring to fig. 2 and 3, connecting plates 412 are fixedly connected to any three adjacent edges of the lower clamping plate 41 along the edge length direction, the three connecting plates 412 are perpendicular to the lower clamping plate 41, the three connecting plates 412 are located at the same end of the lower clamping plate 41 in the thickness direction, and the connecting plates 412 are rectangular plates arranged along the edge length direction of the connecting plates in the length direction. The three connecting plates 412 are respectively provided with guide holes 4121, the positions of the three guide holes 4121 respectively correspond to the positions of the three threaded holes 13 on the workpiece, and the diameters of the axes of the three guide holes 4121 and the guide holes 4121 are the same as the diameter of the threaded holes 13.

Referring to fig. 3, the three connecting plates 412 are integrally formed with a clamping protrusion 4122 at an end facing away from the lower clamp plate 41, and two ends of the clamping protrusion 4122 along the length direction of the connecting plate 412 are located between two end faces of the connecting plate 412 in the length direction.

Referring to fig. 2 and 4, the upper clamp plate 42 is provided with three clamping grooves 423 capable of accommodating the three clamping protrusions 4122 one by one, and the clamping grooves 423 are respectively disposed on three sides of the upper clamp plate 42 and penetrate through two ends of the upper clamp plate 42 in the thickness direction. The three clamping grooves 423 are respectively matched with the corresponding clamping protrusions 4122 to ensure that the upper clamping plate 42 corresponds to the lower clamping plate 41 in position.

Referring to fig. 2 and 4, a second limiting hole 421 is formed in the upper clamp plate 42, the second limiting hole 421 is a circular hole, an axis of the second limiting hole 421 coincides with a central line of the upper clamp plate 42, a diameter of the second limiting hole 421 is the same as an outer diameter of the cylinder 3 on the workpiece, and the second limiting hole 421 can accommodate the cylinder 3.

Referring to fig. 4 and 5, at least two upper positioning through holes 422 are formed in the upper clamping plate 42, and two upper positioning through holes 422 are provided in this embodiment. Two last positioning hole 422 all with two second locating holes 12 one-to-one on the machined part, the last positioning hole 422 and the second locating hole 12 of same position department wear to establish jointly and are connected with stop gear 5, stop gear 5 includes spacer pin 51, and spacer pin 51 is the steel cylinder. The limiting pin 51 is used for positioning the workpiece, so that the threaded hole 13 drilled by the workpiece is aligned with the guide hole 4121.

Referring to fig. 2, the lower clamping plate 41 and the upper clamping plate 42 are provided with fastening mechanisms for fixedly connecting the lower clamping plate and the upper clamping plate, and the fastening mechanisms can keep the positions of the upper clamping plate 42 and the lower clamping plate 41 relatively stable. The fastening mechanism comprises two fixing clips 61, and the two fixing clips 61 are distributed at intervals to clamp and fix the upper clamping plate 42 and the lower clamping plate 41. Each fixing clamp 61 comprises two hinged clamping plates 611, a fastening bolt 612 is penetratingly connected between the two clamping plates 611 far away from the hinged end, an adjusting threaded sleeve 613 is connected to one end of the fastening bolt 612 far away from the nut in a threaded manner, and the relative position of the adjusting threaded sleeve 613 and the fastening bolt 612 is adjusted so as to change the included angle between the two clamping plates 611, thereby clamping and fixing the upper clamping plate 42 and the lower clamping plate 41.

The implementation principle of the above embodiment is as follows:

the workpiece is placed on the lower plate 41, and the retainer ring 2 is passed through the first retainer hole 411. The second position-limiting hole 421 of the upper splint 42 is disposed to penetrate the column 3. The relative positions of the upper clamp plate 42 and the lower clamp plate 41 are adjusted to enable the clamping grooves 423 to be correspondingly matched with the clamping protrusions 4122 one by one, so that the position of the upper clamp plate 42 is relatively fixed with the position of the lower clamp plate 41.

And rotating the workpiece around the axis of the workpiece to align the two second positioning holes 12 on the workpiece with the corresponding upper positioning through holes 422 on the upper clamping plate 42, and inserting the limiting pin 51 to keep the relative positions of the workpiece and the tool fixed, wherein the position of the side wall of the chassis 1 on the workpiece corresponding to the guide hole 4121 is the position of the drilled threaded hole 13. The upper plate and the lower plate are clamped and fixed with the lower clamping plate 41 by using the two fixing clamps 61, so that the stability of the whole tool is ensured.

Placing the integral tool for fixing the workpiece on a workbench of the drilling machine, adjusting the integral tool to enable one connecting plate 412 to be perpendicular to the drill bit, and aligning the guide hole 4121 with the drill bit; the two clamping plates 4 are all parallel hexagonal plates, so that the edge provided with the connecting plate 412 always corresponds to an edge parallel to the edge, and when the connecting plate 412 is perpendicular to the drill bit, the edge corresponding to the edge where the connecting plate 412 is located is in stable contact with the workbench to play a supporting role.

After one threaded hole 13 is machined, the whole tool is only required to be rotated, the other edge without the connecting plate 412 is in close contact with the workbench, and the drill is aligned to the guide hole 4121 in the connecting plate 412 on the corresponding edge to perform drilling. The above actions are repeated until the three threaded holes 13 on the workpiece are machined.

Example two

Referring to fig. 6 and 7, a workpiece drilling and positioning tool is different from the first embodiment in that two lower positioning through holes 413 are formed in a lower clamp plate 41, and the two lower positioning through holes 413 correspond to two upper positioning through holes 422 in an upper clamp plate 42 one to one.

Referring to fig. 6, a limit bolt 7 passing through the upper positioning through hole 422, the second positioning hole 12 and the lower positioning through hole 413 is inserted into the lower clamping plate 41, the limit bolt 7 includes a polished rod portion close to the nut portion and a threaded portion far from the nut portion, and the diameter of the threaded portion is smaller than that of the polished rod portion.

The limiting mechanism 5 comprises a polished rod part of the limiting bolt 7, and the polished rod part penetrates into the upper positioning through hole 422, the second positioning hole 12 and the lower positioning through hole 413 to realize the integral positioning of the upper clamping plate 42, the lower clamping plate 41 and the workpiece.

The fastening mechanism comprises a threaded part of the limiting bolt 7 and a fastening threaded sleeve 8 connected to the threaded part, and the fastening threaded sleeve 8 is fixed on the surface, back to the upper clamping plate 42, of the lower clamping plate 41 and is coaxial with the lower positioning through hole 413.

The principle of the embodiment is as follows:

the polish rod part of the limit bolt 7 sequentially penetrates through the upper positioning through hole 422, the second positioning hole 12 and the lower positioning through hole 413 to realize the integral positioning of the upper clamping plate 42, the lower clamping plate 41 and the workpiece; the fastening screw sleeve 8 is in threaded connection with the threaded part of the limiting bolt 7, so that the upper clamping plate 42, the lower clamping plate 41 and the machined part are integrally fixed.

EXAMPLE III

Referring to fig. 8, a workpiece drilling and positioning tool is different from the first embodiment in that two lower insertion blocks 4123 are fixedly connected to one end of the connecting plate 412 connected to the lower clamping plate 41. The two lower insert blocks 4123 are symmetrical with respect to a center line in the length direction of the connection plate 412. An upper plug-in block 4124 is fixedly connected to one end of the connecting plate 412 connected to the upper clamp plate 42, and the midpoint of the upper plug-in plate is located on the center line of the connecting plate 412 in the length direction. The upper plug-in block 4124 is the same size as the lower plug-in block 4123;

a plurality of upper inserting grooves 424 are formed in the connecting position of the upper clamping plate 42 and the connecting plate 412, the upper inserting grooves 424 can accommodate the upper inserting blocks 4124, and the distance between the central points of two adjacent upper inserting grooves 424 is half of the distance between the central points of two lower inserting blocks 4123;

a plurality of lower insertion grooves 414 are formed at the connection positions of the lower clamping plate 41 and the connecting plate 412, the lower insertion grooves 414 can accommodate the lower insertion blocks 4123, and the distance between the central points of two adjacent lower insertion grooves 414 is half of the distance between the central points of two lower insertion blocks 4123. Any two lower insertion grooves 414 with one lower insertion groove 414 in the middle can accommodate two lower insertion blocks 4123. The connecting plate 412 can be adjusted between the lower clamping plate 41 and the upper clamping plate 42, and is suitable for workpieces with other drilling position requirements.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a machined part drilling location frock which characterized in that: the clamp comprises two clamp plates (4) which can be stably connected with a workpiece, wherein each clamp plate (4) comprises an upper clamp plate (42) and a lower clamp plate (41);

a plurality of upper positioning through holes (422) are formed in the upper clamping plate (42), and limiting mechanisms (5) are fixedly connected to the upper positioning through holes (422); the limiting mechanisms (5) can be connected with second positioning holes (12) in the workpiece, and the workpiece and the upper clamping plate (42) are kept fixed in position;

the two clamping plates (4) are provided with fastening mechanisms which are used for fixedly connecting the clamping plates and keeping the positions relatively stable;

a plurality of connecting plates (412) are fixedly connected between the two clamping plates (4), guide holes (4121) are formed in the connecting plates (412), the axes of the guide holes (4121) are intersected, the included angles between the guide holes and holes to be machined are correspondingly equal, and the guide holes (4121) provide guide channels for aligning the drill bit of the drilling machine to the drilling position of a workpiece.

2. The workpiece drilling and positioning tool according to claim 1, characterized in that: the clamping plates (4) are all flat hexagonal plates, the number of the connecting plates (412) is three, and the three connecting plates (412) are fixed on three adjacent edges of the clamping plates (4).

3. The workpiece drilling and positioning tool according to claim 1, characterized in that: a first limiting hole (411) is formed in the lower clamping plate (41), and a limiting ring (2) on a workpiece can penetrate through the first limiting hole (411);

and a second limiting hole (421) is formed in the upper clamping plate (42), and the cylinder (3) on the workpiece can penetrate through the second limiting hole (421).

4. The workpiece drilling and positioning tool according to claim 1, characterized in that: the limiting mechanism (5) comprises a limiting pin (51), and the limiting pin (51) is a steel cylinder.

5. The workpiece drilling and positioning tool according to claim 1, characterized in that: one end of the connecting plate (412) is fixedly connected with the lower clamping plate (41), and one end, facing the upper clamping plate (42), of the connecting plate (412) is provided with a clamping protrusion (4122);

the upper clamping plate (42) is provided with a clamping groove (423), and the clamping groove (423) is used for being matched with the clamping protrusion (4122).

6. The workpiece drilling and positioning tool according to claim 1, characterized in that: the fastening mechanism comprises two fixing clips (61); the fixing clamp (61) comprises two hinged clamping plates (611), a fastening bolt (612) penetrates and is connected between the two clamping plates (611), an adjusting threaded sleeve (613) is connected to the fastening bolt (612) in a threaded mode, and the relative position of the adjusting threaded sleeve (613) and the fastening bolt (612) can be changed to change the angle between the two clamping plates (611).

7. The workpiece drilling and positioning tool according to claim 1, characterized in that: two lower positioning through holes (413) are formed in the lower clamping plate (41), and the two lower positioning through holes (413) correspond to the two upper positioning through holes (422) one to one;

a limiting bolt (7) penetrating through the upper positioning through hole (422), the second positioning hole (12) and the lower positioning through hole (413) is arranged on the lower clamping plate (41) in a penetrating manner; the limiting bolt (7) comprises a smooth rod part close to the nut part and a threaded part far away from the nut part; the limiting mechanism (5) comprises a polished rod part of the limiting bolt (7); the fastening mechanism comprises a threaded part of a limiting bolt (7) and a fastening threaded sleeve (8).

8. The workpiece drilling and positioning tool according to claim 1, characterized in that: two lower insertion blocks (4123) and two upper insertion blocks (4124) are fixedly connected to two ends of the connecting plate (412) respectively; the upper clamping plate (42) is provided with an upper inserting groove (424) which is provided with a plurality of inserting upper inserting blocks (4124); the lower clamping plate (41) is provided with a plurality of lower inserting grooves (414) for inserting the lower inserting blocks (4123).