CN212665407U

CN212665407U - Drilling and tapping double-station clamp

Info

Publication number: CN212665407U
Application number: CN202020046055.7U
Authority: CN
Inventors: 文勤; 马权钱; 黄长青; 金礼
Original assignee: Anhui Huadan Machinery Manufacturing Co ltd
Current assignee: Anhui Huadan Machinery Manufacturing Co ltd
Priority date: 2020-01-10
Filing date: 2020-01-10
Publication date: 2021-03-09
Anticipated expiration: 2030-01-10

Abstract

The utility model discloses a tooth duplex position anchor clamps are attacked in drilling, including the anchor clamps body, it includes bottom plate (1) and locates panel (2) at this bottom plate (1) top, be equipped with cushion (7) on bottom plate (1), this cushion (7) surface is equipped with the recess, panel (2) bilateral symmetry is equipped with guide pillar (13), be equipped with square groove along the centerline symmetry on panel (2), this square groove one side is equipped with interchangeable panel (5), interchangeable panel (5) center is equipped with interchangeable axle core (6), follows all around the diagonal direction of interchangeable panel (5) is equipped with interchangeable drill bushing (14), bottom plate (1) one end is equipped with hydraulic cylinder (9), and this hydraulic cylinder (9) one end is equipped with the piston rod, and the piston rod top is equipped with the pressure head. The utility model discloses an anchor clamps, piston rod promote the pressure head and move forward and compress tightly the work piece, realize anchor clamps and press from both sides tight work piece, moreover through upper and lower cushion convenient to detach and processing, save manufacturing cost, improve machining precision and efficiency.

Description

Drilling and tapping double-station clamp

Technical Field

The utility model belongs to the technical field of anchor clamps, more specifically relates to a tooth duplex position anchor clamps are attacked in drilling.

Background

In the process of part production and machining, part drilling or tapping machining is often involved. Because the drilling or tapping of a plurality of different hole sites need to be processed to present part, the drilling or tapping of multiple hole sites need to match a set of corresponding anchor clamps, need to change different location promptly. The clamp can fully play the potential of the existing equipment, so that workers can master the processing of complex or precise parts, and the production efficiency and the product quality are improved.

However, the existing fixture system sometimes causes that the machined drilling or tapping position or angle does not meet the requirements, the rejection rate is high, the operation of personnel is troublesome, different hole sites can be machined only by disassembling and assembling workpieces for many times, and the production efficiency is low; moreover, since only one part on the fixture can be machined at a time, when a large number of parts need to be machined, the taking out, placing and positioning actions of the parts take a large amount of time, which results in the reduction of the working efficiency.

SUMMERY OF THE UTILITY MODEL

To the above defect of prior art or improve the demand, the utility model provides a tooth duplex position anchor clamps are attacked in drilling, the pressure head passes through the internal thread fixation on the piston rod, and the piston rod promotes the pressure head and moves forward and compress tightly the work piece to realize the effect that anchor clamps press from both sides tight work piece, through upper and lower cushion convenient to detach and processing, save manufacturing cost, improve machining precision and efficiency moreover.

In order to realize the above-mentioned purpose, the utility model provides a tooth duplex position anchor clamps are attacked in drilling, include:

the clamp comprises a clamp body and a clamping device, wherein the clamp body comprises a bottom plate and a panel arranged on the top of the bottom plate;

the bottom plate is provided with a cushion block, and the surface of the cushion block is provided with a groove for placing a workpiece;

guide posts are symmetrically arranged on two sides of the panel and used for positioning and guiding workpieces;

a square groove is symmetrically arranged on the panel along the central line, a replaceable panel is arranged on one side of the square groove, a replaceable shaft core is arranged in the center of the replaceable panel, one end of the replaceable shaft core is fixed on a workpiece to play a role in fixing the workpiece, and replaceable drill bushings are arranged around the replaceable panel along the diagonal direction of the replaceable panel and used for positioning and guiding a cutter;

one end of the base plate is provided with a hydraulic oil cylinder, one end of the hydraulic oil cylinder is provided with a piston rod, the top end of the piston rod is provided with a pressure head, the pressure head is over against the center of the workpiece, and the piston rod is used for pushing the pressure head to move to press the workpiece tightly.

Furthermore, the replaceable drill is sleeved in a bushing, and the bushing is pressed on the replaceable panel.

Furthermore, equal-height blocks are arranged between the replaceable drill bushings.

Furthermore, one end of the replaceable drill bushing is provided with a compression screw.

Furthermore, the guide post is cylindrical with a shoulder and is prepared by bearing steel or hot-work die steel.

Furthermore, prismatic positioning pins are respectively arranged at four corners of the replaceable panel.

Further, the clamp body comprises side plates arranged at two ends of the bottom plate.

Further, the clamp body comprises a cover plate arranged at the top of the side plate.

Furthermore, an oil cylinder cushion block is arranged at one end of the bottom plate.

Furthermore, the replaceable shaft core comprises a head part, a middle part and a tail part, wherein the internal thread of the head part extends to the middle part and is used for being connected with a workpiece, and the tail part penetrates through the replaceable panel and is fixed on the replaceable panel through a gasket.

Generally, through the utility model discloses above technical scheme who conceives compares with prior art, can gain following beneficial effect:

1. the utility model discloses a tooth duplex position anchor clamps are attacked in drilling, the pressure head passes through the interior thread tightening on the piston rod, and the piston rod promotes the pressure head and moves forward and compress tightly the work piece to realize the effect that anchor clamps press from both sides tight work piece, through upper and lower cushion convenient to detach and processing, save manufacturing cost, improve machining precision and efficiency moreover.

2. The utility model discloses a tooth duplex position anchor clamps are attacked in drilling, interchangeable axle core one end is passed through the fix with screw on the work piece, plays the effect of fixed work piece. The four replaceable drill bushings are arranged in the diagonal direction of the replaceable panel extending around the replaceable shaft core and used for positioning and guiding the cutter to process, and therefore the processing precision is improved.

3. The utility model discloses a tooth duplex position anchor clamps are attacked in drilling, interchangeable axle core passes through the packing ring to be fixed on interchangeable panel, selects different sizes according to the processing demand of difference, uses with interchangeable panel is supporting, the dismantlement of the device of being convenient for.

4. The utility model discloses a tooth duplex position anchor clamps are attacked in drilling, the head of guide pillar is fixed on the panel, and the afterbody outwards extends, plays the effect of direction, location to the front and back device.

5. The utility model discloses a tooth duplex position anchor clamps are attacked in drilling, the pressure head at piston rod top is just to the center of work piece, hydraulic cylinder drive piston rod, and the pressure head at piston rod promotion top compresses tightly the work piece forward, and then presss from both sides tight work piece accurately.

Drawings

Fig. 1 is a front view of a drilling and tapping double-station fixture according to an embodiment of the present invention;

fig. 2 is a left side view of the drilling and tapping double-station fixture according to the embodiment of the present invention;

fig. 3 is a top view of the drilling and tapping double-station fixture according to the embodiment of the present invention;

FIG. 4 is a schematic structural view of a replaceable shaft core in an embodiment of the present invention;

FIG. 5 is a front view of the guide post in the embodiment of the present invention;

fig. 6 is a top view of the guide post in the embodiment of the present invention.

In all the figures, the same reference numerals denote the same features, in particular: 1-bottom plate, 2-panel, 3-side plate, 4-cover plate, 5-replaceable panel, 6-replaceable shaft core, 7-cushion block, 8-oil cylinder cushion block, 9-hydraulic oil cylinder, 10-gasket, 11-prismatic positioning pin, 12-equal-height block, 13-guide column, 14-replaceable drill bushing, 15-bushing, 16-compression screw and 17-workpiece.

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. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1, the embodiment of the utility model provides a tooth duplex position anchor clamps are attacked in drilling, including the anchor clamps body, the anchor clamps body includes bottom plate 1, panel 2, curb plate 3 and apron 4, passes through the fix with screw between bottom plate 1, panel 2, curb plate 3 and the apron 4, constitutes a semi-enclosed device. The whole clamp body is symmetrically divided into two parts by taking the central line of the bottom plate 1 as a reference. Two guide posts 13 are symmetrically arranged on two sides of the panel 2, the guide posts 13 are cylindrical with shoulders, preferably bearing steel and hot die steel, and play a role in guiding and positioning the front and rear devices. Two square grooves are symmetrically arranged on the panel 2 along the central line, the replaceable panel 5 is arranged on one side of each square groove, different specifications and shapes can be selected according to different processing requirements, the replaceable panel 5 is fixed on the panel 2 through prismatic positioning pins 11 positioned at four corners of the replaceable panel 5, and the replaceable panel 5 and the panel 2 can be connected with other devices through transmission of the clamp through the square grooves, so that the replaceable panel is convenient to detach and install. Two cushion blocks 7 are arranged above the bottom plate 1, are symmetrically arranged along the center line, and the cushion blocks 7 are fixed on the bottom plate through screws. The surface of the cushion block 7 is provided with a groove for placing a workpiece 17, the preferable mode is that the upper part cushion block and the lower part cushion block are combined, when the workpiece is installed, the upper part cushion block or the lower part cushion block can be detached according to the condition, the disassembly and the processing are convenient, the production cost is saved, and the working efficiency is improved.

As shown in fig. 2, the center of the replaceable panel 5 is provided with the replaceable shaft core 6, the replaceable shaft core 6 is fixed on the replaceable panel 5 through the gasket 10, different sizes are selected according to different processing requirements, and the replaceable shaft core is matched with the replaceable panel 6 for use, so that the replaceable shaft core is convenient to disassemble. One end of the replaceable shaft core 6 is fixed on the workpiece 17 through a screw, and the function of fixing the workpiece is achieved. Four replaceable drill bushings 14 are arranged on the periphery of the replaceable shaft core 6 in the diagonal direction of the replaceable panel 5 and used for positioning and guiding a cutter to process, so that the processing precision is improved. The replaceable drill bushing 14 is arranged in a bushing 15, the bushing 15 is pressed on the replaceable panel 5, and the replaceable drill bushing 14 is pressed by a pressing screw 16 to prevent the replaceable drill bushing 14 from rotating or falling out. After the replaceable drill bushing 14 is worn, the compression screw 16 can be loosened and quickly replaced, and the method is suitable for mass production procedures. Mounted between each interchangeable drill bushing 14 is a contour block 12. An oil cylinder cushion block 8 is installed at one end of the bottom plate 1, an internal thread is arranged at one end of the oil cylinder cushion block 8 and used for installing a hydraulic oil cylinder 9, a piston rod is arranged at one end of the hydraulic oil cylinder 9, and the piston rod can conduct telescopic motion through power drive. The top end of a piston rod of the hydraulic oil cylinder 9 is provided with a pressure head, the pressure head is fixed through internal threads on the piston rod, and the piston rod pushes the pressure head to move forwards to compress a workpiece, so that the effect that the workpiece is clamped by the clamp is realized.

As shown in fig. 3, the base plate 1 is located at the lowermost portion of the jig. The side plates 3 are positioned at two ends of the bottom plate 1, the cover plate 4 is fixed at the tops of the two side plates 3 through screws, the head parts of the guide pillars 13 are fixed on the panel 2, and the tail parts of the guide pillars extend outwards to play a role in guiding and positioning the front and rear devices. The workpieces 17 are symmetrically distributed on two sides of the center line of the clamp and supported by the cushion blocks 7. The hydraulic cylinder cushion block 8 and the workpiece 17 are oppositely arranged and distributed on two sides of the central line of the clamp, the hydraulic cylinder 9 is installed at one end, facing the workpiece, of the hydraulic cylinder cushion block 10 through internal threads, a piston rod is installed on the hydraulic cylinder 9, a pressure head at the top of the piston rod is over against the center of the workpiece 17, the hydraulic cylinder 9 drives the piston rod, the piston rod pushes the pressure head at the top to press the workpiece forwards, and then the workpiece 17 is clamped accurately.

Fig. 4 is a schematic view showing the structure of the exchangeable core 6. The replaceable shaft core 6 is divided into a head part, a middle part and a tail part, the diameter of the cross section of the replaceable shaft core is reduced from the head part in sequence, internal threads are arranged on the head part and the tail part, and the internal threads of the head part extend to the middle part and are used for being connected with a workpiece 17 to play a role in fixing the workpiece. The tail part passes through the replaceable panel 5 and is fixed on the replaceable panel 5 through a gasket 10.

As shown in fig. 5 and 6, the head of the guide post 13 is distributed with four threaded holes for fixing on the panel 2, and the tail is at the other side of the clamp panel 2 and extends outwards.

It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the scope of the present invention.

Claims

1. The utility model provides a drilling tapping duplex position anchor clamps which characterized in that includes:

the clamp comprises a clamp body, a clamping piece and a clamping piece, wherein the clamp body comprises a bottom plate (1) and a panel (2) arranged at the top of the bottom plate (1);

a cushion block (7) is arranged on the bottom plate (1), and a groove is formed in the surface of the cushion block (7) and used for placing a workpiece (17);

guide posts (13) are symmetrically arranged on two sides of the panel (2) and used for positioning and guiding a workpiece (17);

a square groove is symmetrically arranged on the panel (2) along the central line, an interchangeable panel (5) is arranged on one side of the square groove, an interchangeable shaft core (6) is arranged in the center of the interchangeable panel (5), one end of the interchangeable shaft core (6) is fixed on a workpiece (17) to play a role in fixing the workpiece (17), and interchangeable drill bushings (14) are arranged on the periphery of the interchangeable panel (5) along the diagonal direction and used for positioning and guiding a cutter;

one end of the base plate (1) is provided with a hydraulic oil cylinder (9), one end of the hydraulic oil cylinder (9) is provided with a piston rod, the top end of the piston rod is provided with a pressure head, the pressure head is over against the center of the workpiece (17), and the piston rod is used for pushing the pressure head to move to press the workpiece (17).

2. A drilling and tapping double station fixture as claimed in claim 1, wherein the replaceable drill bushing (14) is provided in a bushing (15), the bushing (15) being press-fitted on the replaceable face plate (5).

3. A drilling and tapping double station fixture as claimed in claim 2, wherein said replaceable drill bushings (14) are provided with a contour block (12) therebetween.

4. A drilling and tapping double-station clamp according to claim 3, wherein one end of the replaceable drill bushing (14) is provided with a compression screw (16).

5. The double-station drill and tapping fixture as claimed in any one of claims 1 to 4, wherein the guide post (13) is cylindrical with shoulder and is made of bearing steel or hot-work die steel.

6. The double-station fixture for drilling and tapping as claimed in any one of claims 1 to 4, wherein prismatic positioning pins (11) are respectively arranged at four corners of the replaceable panel (5).

7. The double-station drill and tapping fixture as claimed in any one of claims 1 to 4, wherein the fixture body comprises side plates (3) arranged at both ends of the bottom plate (1).

8. The double-station drill and tapping fixture as claimed in claim 7, wherein the fixture body comprises a cover plate (4) arranged on the top of the side plate (3).

9. The drilling and tapping double-station clamp according to any one of claims 1-4, wherein a cylinder cushion block (8) is arranged at one end of the bottom plate (1).

10. A drilling and tapping double-station clamp according to any one of claims 1-4, wherein the replaceable shaft core (6) comprises a head part, a middle part and a tail part, the internal thread of the head part extends to the middle part for connecting with a workpiece (17), and the tail part penetrates through the replaceable panel (5) and is fixed on the replaceable panel (5) through a gasket (10).