CN212794057U

CN212794057U - Symmetrical hole rotary type milling and drilling universal clamp

Info

Publication number: CN212794057U
Application number: CN202021766072.4U
Authority: CN
Inventors: 郭永斌; 王家星
Original assignee: Tianjin Taihesheng Intelligent Equipment Co ltd
Current assignee: Tianjin Taihesheng Intelligent Equipment Co ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-03-26
Anticipated expiration: 2030-08-21

Abstract

The utility model provides a symmetry hole rotation type mills and bores general anchor clamps belongs to the anchor clamps field, including support frame, pivot, locating pin, carousel and clamp plate, the carousel rotates the surface that sets up at the support frame through the pivot, and the one side symmetry that faces mutually with the support frame on the carousel is provided with the position sleeve, is provided with the guide pin bushing in the one end of support frame, and the locating pin slides and sets up in the guide pin bushing, and the locating pin cooperatees with the position sleeve, is equipped with the work piece groove at the middle part of carousel one end, and the clamp plate cooperation sets up in the outside of carousel, advances through the bolt to fix with the. The beneficial effects of the utility model are that through the setting of clamp plate and carousel, can press from both sides the lower margin supporting component tightly, can not produce the shake, the carousel rotates through the pivot, can guarantee the symmetry in radial hole.

Description

Symmetrical hole rotary type milling and drilling universal clamp

Technical Field

The utility model belongs to the anchor clamps field especially relates to a symmetry hole rotation type mills bores general anchor clamps.

Background

The existing method is to mark and center, find an outer circular arc line, align and clamp, drill a radial circular arc surface hole, and have the errors of marking, line finding, centering, circular arc surface drilling swing and the like, so that a drill bit is easy to deviate and break, the process positioning is unreasonable, the clamping lags, the hole end deviation position is 3-4mm, the size of the hole of the processed ground support assembly is ultra-poor, and the ground support assembly has no interchangeability.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's shortcoming, a general anchor clamps of drilling are milled to symmetry hole rotation type is provided, can make lower margin supporting component press from both sides tightly, do not produce the shake, and can guarantee the symmetry in the radial hole of arcwall face.

In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a symmetry hole rotation type mills bores general anchor clamps, includes support frame, pivot, locating pin, carousel and clamp plate, the carousel passes through the pivot rotates to be set up the surface of support frame, the locating pin slides and sets up the one end of support frame on the carousel with the one side symmetry that the support frame faces is provided with the position sleeve, the position sleeve with the locating pin cooperatees, the clamp plate cooperation sets up the outside of carousel.

Furthermore, a guide sleeve is arranged at one end of the support frame, the positioning pin is arranged in the guide sleeve in a sliding mode, a flat-end handle is arranged at one end of the positioning pin, a pin head is arranged at the other end of the positioning pin, the diameter of the pin head is larger than that of the positioning pin, and the pin head is arranged in the guide sleeve in a matched mode.

Furthermore, a first spring is arranged between the lower surface of the flat-head handle and the upper surface of the guide sleeve, and a second spring is arranged between the inner surface of the guide sleeve and the upper surface of the pin head.

Furthermore, positioning grooves are symmetrically formed in the rotary table, positioning sleeves are arranged in the positioning grooves and comprise first positioning sleeves and second positioning sleeves, the inner diameters of the positioning sleeves are the same as those of the guide sleeves, and the positioning sleeves are matched with pin heads on the positioning pins.

Furthermore, a workpiece groove is formed in the middle of one end of the rotary table, the pressing plate is arranged on the outer side of the workpiece groove, and the pressing plate is connected with the rotary table through a bolt.

Furthermore, the number of the bolts is two, one end of each bolt is connected with the bottom end of the corresponding positioning sleeve, the other end of each bolt is connected with a knurled nut, and the pressing plate is arranged between the rotary table and the knurled nut.

The utility model has the advantages and positive effects that: due to the adoption of the technical scheme, the workpiece groove is formed in the rotary table, the outer arc surface of the ground foot supporting component can be tightly attached to the workpiece groove, the pressing plate is arranged on the outer side of the rotary table in a matched mode, the pressing plate can be tightly attached to the top of the ground foot supporting component by screwing the knurled nut, the ground foot supporting component is fixed on the rotary table, the positioning pin is arranged on the supporting seat, the positioning sleeve is arranged on the rotary table, the rotary table can rotate 180 degrees, and the symmetry degree of the radial hole is guaranteed.

Drawings

FIG. 1 is a block diagram of the present invention;

fig. 2 is a side view of the present invention;

FIG. 3 is a structural diagram of the positioning pin of the present invention;

FIG. 4 is a view of the structure of the pressing plate of the present invention;

FIG. 5 is a structural diagram of the turntable of the present invention;

fig. 6 is a sectional view of the utility model a-a.

In the figure:

1. a support frame; 2. a rotating shaft; 3. a guide sleeve; 4. positioning pins; 401. a flat-head handle; 402. a first spring; 403. a second spring; 404. a pin head; 5. a first positioning sleeve; 501. a second positioning sleeve; 6. knurling the nut; 7. pressing a plate; 8. a bolt; 9. a turntable; 901. a workpiece groove; 902. a rotating shaft connecting hole; 903. positioning a groove; 10. and (5) a workpiece.

Detailed Description

The present invention will be further described with reference to the following examples and accompanying drawings.

As shown in fig. 1 to 6, this embodiment provides a general fixture for milling and drilling of symmetric holes, including support frame 1, pivot 2, locating pin 4, carousel 9 and clamp plate 7, be equipped with the pivot connecting hole 902 that can let pivot 2 pass through at the middle part of carousel 9, carousel 9 rotates through pivot 2 and sets up the surface at support frame 1, be provided with guide pin bushing 3 in the one end of support frame 1, locating pin 4 slides and sets up in guide pin bushing 3, the one side symmetry that faces with support frame 1 on carousel 9 is provided with the position sleeve, the position sleeve cooperatees with locating pin 4, the clamp plate cooperation sets up in the outside of carousel 9.

One end of the positioning pin 4 is provided with a flat-head handle 401, the other end of the positioning pin 4 is provided with a pin head 404, the diameter of the positioning pin 4 is smaller than the inner diameter of the guide sleeve 3, the diameter of the pin head 404 is larger than that of the positioning pin 4, the pin head 404 is arranged in the guide sleeve 3 in a matched mode, a first spring 402 is arranged between the lower surface of the flat-head handle 401 and the upper surface of the guide sleeve 3, and a second spring 403 is arranged between the lower surface of the guide sleeve 3 and the upper surface of the pin head.

The position sleeve includes first position sleeve 5 and second position sleeve 501, first position sleeve 5 sets up with second position sleeve 501 symmetry, be equipped with constant head tank 903 in the carousel 9 one end that adjoins with support frame 1, constant head tank 903 symmetry is provided with two, be provided with the position sleeve in constant head tank 903, the internal diameter of position sleeve is the same with the internal diameter of guide pin bushing 3, the position phase-match, the position sleeve cooperatees with round pin head 404, can make carousel 9 and support frame 1 fixed mutually, be equipped with the screw hole at the lower extreme of position sleeve.

The middle part at the other end of carousel 9 is equipped with work piece groove 901, can hug closely the extrados of work piece 10 in work piece groove 901, be provided with clamp plate 7 in work piece groove 901's the outside, be provided with the opening of two symmetries on clamp plate 7, clamp plate 7 passes through bolt 8 and links to each other with carousel 9, bolt 8 symmetry is provided with two, bolt 8's one end links to each other with the screw hole of position sleeve lower extreme, the other end links to each other with knurled nut 6, clamp plate 7 is located between knurled nut 6 and carousel 9, clamp plate 7 can compress tightly the one end of work piece 10.

The working process of the example is as follows: tightly attaching the outer arc surface of a workpiece 10 to a workpiece groove 901, inserting an opening on a pressure plate 7 into two bolts 8 to enable the pressure plate 7 to be attached to one end of the workpiece 10, then screwing down knurled nuts 6 on the two bolts 8 to enable the workpiece 10 to be clamped, enabling the clamped workpiece 10 not to shake after clamping, starting to process a hole on the arc surface of the side surface, after the processing is finished, pulling a flat-head handle 401 outwards, enabling the flat-head handle 401 to drive a positioning pin 4 to lift upwards, enabling a pin head 404 to exit from a first positioning sleeve 5, enabling the pin head 404 to return to a guide sleeve 3, rotating a rotary table 9 at the moment, enabling the workpiece 10 to rotate along with the rotary table 9, rotating the rotary table 9 by 180 degrees, when a second positioning sleeve 501 is overlapped with the guide sleeve 3, loosening the flat-head handle 401, and due to the action of a second spring 403, pushing the pin head 404 to be automatically inserted into the second positioning sleeve 501 to enable the rotary table 9 to be fixed with a support, at this time, the hole of the other side surface of the workpiece 10 is processed.

The utility model has the advantages that: through the arrangement of the rotating shaft 2, the rotating disc 9 can be rotationally arranged on the supporting frame 1, the rotating disc 9 is also provided with a workpiece groove 901, the outer side of the rotating disc 9 is also provided with a pressing plate 7 in a matching way, the workpiece 10 can be tightly clamped on the rotating disc 9 by screwing the knurled nut 6 without shaking, so that the purpose that the workpiece 10 rotates along with the rotating disc 9 is achieved, the rotating disc 9 and the supporting frame 1 can be fixed and disconnected by matching the pin head 404 with the positioning sleeve, the flat head handle 401 is pulled outwards to enable the rotating disc 9 to rotate 180 degrees, then the flat head handle 401 is loosened, due to the arrangement of the second spring 403, when the flat head handle 401 is loosened, the second spring 403 pushes the pin head 404 to be automatically inserted into the positioning sleeve, and the fixing of the rotating disc 9 and the supporting frame 1 is realized again, the utility model can realize one-time clamping and positioning processing, avoid errors caused by secondary clamping, and ensure the dimensional accuracy and symmetry of each, the interchangeability of the installation of each hole of the workpiece is realized.

While one or more embodiments of the present invention have been described in detail, the description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. The utility model provides a symmetry hole rotation type mills bores general anchor clamps, its characterized in that, includes support frame (1), pivot (2), locating pin (4), carousel (9) and clamp plate (7), carousel (9) are passed through pivot (2) rotate the setting and are in the surface of support frame (1), locating pin (4) slide to be set up the one end of support frame (1) on carousel (9) with the one side symmetry that support frame (1) face mutually is provided with the position sleeve, the position sleeve with locating pin (4) cooperate, clamp plate (7) cooperation sets up the outside of carousel (9).

2. The symmetrical hole rotary milling and drilling universal clamp of claim 1, wherein: the guide sleeve (3) is arranged at one end of the support frame (1), the positioning pin (4) is arranged in the guide sleeve (3) in a sliding mode, a flat-head handle (401) is arranged at one end of the positioning pin (4), a pin head (404) is arranged at the other end of the positioning pin (4), the diameter of the pin head (404) is larger than that of the positioning pin (4), and the pin head (404) is arranged in the guide sleeve (3) in a matching mode.

3. The symmetrical hole rotary milling and drilling universal clamp of claim 2, wherein: a first spring (402) is arranged between the lower surface of the flat head handle (401) and the upper surface of the guide sleeve (3), and a second spring (403) is arranged between the inner surface of the guide sleeve (3) and the upper surface of the pin head (404).

4. The symmetrical hole rotary milling and drilling universal clamp of claim 2, wherein: the positioning device is characterized in that positioning grooves (903) are symmetrically arranged on the rotary table (9), positioning sleeves are arranged in the positioning grooves (903), each positioning sleeve comprises a first positioning sleeve (5) and a second positioning sleeve (501), the inner diameter of each positioning sleeve is the same as that of the guide sleeve (3), and the positioning sleeves are matched with pin heads (404) on the positioning pins (4).

5. The symmetrical hole rotary milling and drilling universal clamp of claim 4, wherein: a workpiece groove (901) is formed in the middle of one end of the rotary table (9), the pressing plate (7) is arranged on the outer side of the workpiece groove (901), and the pressing plate (7) is connected with the rotary table (9) through a bolt (8).

6. The symmetrical hole rotary milling and drilling universal clamp of claim 5, wherein: the bolt (8) symmetry is provided with two, the one end of bolt (8) with the bottom of position sleeve links to each other, the other end of bolt (8) is connected with annular knurl nut (6), clamp plate (7) set up carousel (9) with between annular knurl nut (6).