CN211162078U - Fixing clamp for drilling of thin plate with boss - Google Patents
Fixing clamp for drilling of thin plate with boss Download PDFInfo
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- CN211162078U CN211162078U CN201921649452.7U CN201921649452U CN211162078U CN 211162078 U CN211162078 U CN 211162078U CN 201921649452 U CN201921649452 U CN 201921649452U CN 211162078 U CN211162078 U CN 211162078U
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Abstract
The utility model provides a mounting fixture for having boss sheet metal drilling, the utility model relates to a mounting fixture, the utility model discloses a solve in the prior art to carry out the drilling of sheet metal part when processing to the sheet metal part that has the boss and more difficult, can not guarantee the precision requirement of part, influence the processingquality of part, and the problem that production efficiency is lower, it includes upper die body, lower die body, first drill bushing, second drill bushing, two bolts and two nuts; go up the die body and be the cuboid with lower die body, the side processing of going up the die body has first work piece mounting groove, the tank bottom processing of first work piece mounting groove has first drill bushing mounting hole, second drill bushing mounting hole and spacing arch, spacing bellied cross section is for having the bow-shaped of major arc, side processing of lower die body has second work piece mounting groove, the tank bottom processing of second work piece mounting groove has first drill bit clearing hole and second drill bit clearing hole, first work piece mounting groove and second work piece mounting groove set up relatively, the utility model is used during the sheet metal drilling that has the boss.
Description
Technical Field
The utility model relates to a mounting fixture, concretely relates to mounting fixture for having drilling of boss sheet metal.
Background
The connecting piece in the steering engine control system in the prior art is a thin plate part with a boss, and because the part size is small, one side surface is provided with a bulge, the appearance structure is irregular, direct clamping and alignment on equipment are not convenient, so that the drilling of the thin plate part is difficult, the precision requirement of a drawing cannot be ensured, and the processing quality of the part is influenced. To sum up, need design a special fixture and take the sheet metal part of boss to drill, can be convenient for the part clamping dismantlement, can guarantee the position accuracy that the part drawing required again, improve production efficiency, satisfy batch production's requirement.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a solve among the prior art to have the boss sheet metal part to drill man-hour sheet metal part drilling more difficult, can not guarantee the required precision of processing back part, influence the processingquality of part, the lower problem of production efficiency moreover, and then provide a mounting fixture for having boss sheet metal drilling.
The utility model discloses a solve above-mentioned problem and the technical scheme who adopts is:
the drilling jig comprises an upper die body, a lower die body, a first drill bush, a second drill bush, two bolts and two nuts; the upper die body and the lower die body are cuboids, one side surface of the upper die body is processed with a first workpiece mounting groove, the bottom of the first workpiece mounting groove is processed with a first drill bushing mounting hole, a second drill bushing mounting hole and a limiting bulge, the cross section of the limiting bulge is in an arch shape with a major arc, the central line of the first drill bushing mounting hole, the central line of the second drill bushing mounting hole and the axis of the limiting bulge are in the same plane, the side surfaces of the upper die body close to the two ends are respectively processed with a first mounting through hole, one side surface of the lower die body is processed with a second workpiece mounting groove, the bottom of the second workpiece mounting groove is processed with a first drill bit through hole and a second drill bit through hole, the central line of the first drill bit through hole and the central line of the second drill bit through hole are arranged in parallel, the side surfaces of the lower die body close to the two ends are respectively processed with a second mounting through hole, and the, each first mounting through hole is correspondingly arranged with one second mounting through hole, each bolt is inserted into one first mounting through hole and one second mounting through hole, a nut is mounted on each bolt in a threaded connection mode, a first drill bushing is mounted on each first drill bushing mounting hole, a second drill bushing is mounted on each second drill bushing mounting hole, the first drill bushing mounting holes are correspondingly arranged with the first drill bit through holes, and the second drill bushing mounting holes are correspondingly arranged with the second drill bit through holes.
The utility model has the advantages that:
1. the sheet part with the boss is accurately positioned and clamped, so that the technical problem of difficult clamping is overcome, the requirement of batch production of the part is met, and the processing precision is ensured. The clamp is simple in structure, fast in clamping, short in machining period and high in production efficiency, clamping, fixing, machining and drilling are carried out by using the clamp, the working efficiency is improved by 20% -50%, and the clamp can be popularized to the machining technology.
Drawings
Fig. 1 is a front view of the whole structure of the utility model, wherein the workpiece to be processed is arranged on the machine tool.
Fig. 2 is a front view of the lower mold body 5.
Fig. 3 is a right sectional view of fig. 2.
Fig. 4 is a front view of the upper mold body 1.
Fig. 5 is a right side sectional view of fig. 4.
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 5, and the fixing clamp for drilling a thin plate with a boss comprises an upper die body 1, a lower die body 5, a first drill bushing 3-1, a second drill bushing 3-2, two bolts 2 and two nuts 4; the upper die body 1 and the lower die body 5 are cuboids, one side surface of the upper die body 1 is processed with a first workpiece mounting groove 1-1, the bottom of the first workpiece mounting groove 1-1 is processed with a first drill bushing mounting hole 1-2, a second drill bushing mounting hole 1-3 and a limiting bulge 1-5, the cross section of the limiting bulge 1-5 is an arch with a major arc, the central line of the first drill bushing mounting hole 1-2, the central line of the second drill bushing mounting hole 1-3 and the axis of the limiting bulge 1-5 are in the same plane, the side surfaces of the upper die body 1 close to two ends are respectively processed with a first mounting through hole 1-4, one side surface of the lower die body 5 is processed with a second workpiece mounting groove 5-1, the bottom of the second workpiece mounting groove 5-1 is processed with a first drill bit through hole 5-2 and a second drill bit through hole 5-3, the center line of the first drill bit through hole 5-2 and the center line of the second drill bit through hole 5-3 are arranged in parallel, the side surfaces of the lower die body 5 close to two ends are respectively provided with a second installation through hole 5-4, the first workpiece installation groove 1-1 and the second workpiece installation groove 5-1 are arranged oppositely, each first installation through hole 1-4 is respectively arranged corresponding to one second installation through hole 5-4, each bolt 2 is respectively inserted into one first installation through hole 1-4 and one second installation through hole 5-4, each bolt 2 is provided with a nut 4 in a threaded connection manner, a first drill bushing 3-1 is arranged on the first drill bushing installation hole 1-2, a second drill bushing 3-2 is arranged on the second drill bushing installation hole 1-3, the first drill bushing installation hole 1-2 is arranged corresponding to the first drill bit through hole 5-2, the second drill bushing mounting hole 1-3 is arranged corresponding to the second drill bit through hole 5-3.
In the embodiment, the first drill bushing 3-1 and the second drill bushing 3-2 are made of tool steel, are high in hardness and good in wear resistance after being subjected to heat treatment, and are replaced after being worn. The first drill bushing 3-1 and the second drill bushing 3-2 play a role in positioning and guiding a drilling tool, so that the position accuracy of drilling is ensured. The first drill bushing 3-1 has a size in clearance fit with the drilling tool and a size in clearance fit with the drilling tool.
The second embodiment is as follows: referring to fig. 1 to 3, the present embodiment of a fastening jig for drilling a boss-equipped veneer, in which the center line of a first drill bushing installation hole 1-2 is aligned with the center line of a first drill passing hole 5-2, and the center line of a second drill bushing installation hole 1-3 is aligned with the center line of a second drill passing hole 5-3, is described, and the other method is the same as that of the first embodiment.
The third concrete implementation mode: the embodiment is described with reference to fig. 1, 4 and 5, and the first drill bushing mounting hole 1-2 is in interference fit with the first drill bushing 3-1, and the second drill bushing mounting hole 1-3 is in interference fit with the second drill bushing 3-2, in the fixing clamp for drilling a thin plate with a boss according to the embodiment, and other methods are the same as those in the first embodiment.
The fourth concrete implementation mode: referring to fig. 1, the present embodiment will be described, in which the sum of the depth of the first work mounting groove 1-1 and the depth of the second work mounting groove 5-1 is equal to or less than the thickness of the sheet. The workpiece is firmly fixed on the clamp, the workpiece is prevented from moving to influence the processing quality, and other methods are the same as those of the first embodiment.
The fifth concrete implementation mode: referring to fig. 1, the present embodiment, which is a jig for drilling a thin plate with a boss, has a diameter of a first drill passing hole 5-2 having a value larger than that of a corresponding workpiece through-hole, and a diameter of a second drill passing hole 5-3 having a value larger than that of a corresponding workpiece through-hole. The drill bit has the advantages that the drill bit is avoided and chips are smoothly discharged in the drilling process conveniently, and other methods are the same as those in the first specific embodiment.
Principle of operation
The workpiece boss faces the upper die body 1 and is placed into a second workpiece mounting groove 5-1 of the lower die body 5, so that the inner wall of the second workpiece mounting groove 5-1 is tightly attached to the shape of a workpiece to be machined, no gap is formed, and positioning is accurate. The upper die body 1 and the lower die body 5 are oppositely arranged, the limiting protrusions 1-5 are placed in the arc-shaped holes of the cross section of the workpiece to be machined, each first installation through hole 1-4 on the lower die body 5 and the upper die body 1 is correspondingly arranged with one second installation through hole 5-4, and the upper die body 1, the workpiece to be machined and the lower die body 5 are fixedly connected through the bolts 2 and the nuts 4, so that the upper die body 1, the workpiece to be machined and the lower die body 5 are prevented from moving. And then, respectively drilling a workpiece to be machined on a drilling machine through the first drill bushing 3-1 and the second drill bushing 3-2, loosening the nut 4 and the bolt 2 after machining is finished, removing the upper die body 1, taking out the workpiece, and finishing the drilling machining.
Claims (5)
1. The utility model provides a mounting fixture for having drilling of boss sheet metal which characterized in that: the drilling tool comprises an upper die body (1), a lower die body (5), a first drill bushing (3-1), a second drill bushing (3-2), two bolts (2) and two nuts (4); the upper die body (1) and the lower die body (5) are cuboids, one side surface of the upper die body (1) is processed with a first workpiece mounting groove (1-1), the bottom of the first workpiece mounting groove (1-1) is processed with a first drill bushing mounting hole (1-2), a second drill bushing mounting hole (1-3) and a limiting bulge (1-5), the cross section of the limiting bulge (1-5) is in a bow shape with a major arc, the central line of the first drill bushing mounting hole (1-2), the central line of the second drill bushing mounting hole (1-3) and the axis of the limiting bulge (1-5) are positioned in the same plane, the side surfaces of the upper die body (1) close to two ends are respectively processed with a first mounting through hole (1-4), one side surface of the lower die body (5) is processed with a second workpiece mounting groove (5-1), a first drill bit through hole (5-2) and a second drill bit through hole (5-3) are processed at the bottom of the second workpiece mounting groove (5-1), the center line of the first drill bit through hole (5-2) and the center line of the second drill bit through hole (5-3) are arranged in parallel, a second mounting through hole (5-4) is respectively processed on the side surface of the lower die body (5) close to two ends, the first workpiece mounting groove (1-1) and the second workpiece mounting groove (5-1) are arranged oppositely, each first mounting through hole (1-4) is respectively arranged corresponding to one second mounting through hole (5-4), each bolt (2) is respectively inserted in one first mounting through hole (1-4) and one second mounting through hole (5-4), and each bolt (2) is provided with a nut (4) in a threaded connection manner, a first drill bushing (3-1) is installed on the first drill bushing installation hole (1-2), a second drill bushing (3-2) is installed on the second drill bushing installation hole (1-3), the first drill bushing installation hole (1-2) is arranged corresponding to the first drill bit through hole (5-2), and the second drill bushing installation hole (1-3) is arranged corresponding to the second drill bit through hole (5-3).
2. A fastening clip for drilling a sheet with a boss according to claim 1, wherein: the center line of the first drill bushing mounting hole (1-2) is superposed with the center line of the first drill bit through hole (5-2), and the center line of the second drill bushing mounting hole (1-3) is superposed with the center line of the second drill bit through hole (5-3).
3. A fastening clip for drilling a sheet with a boss according to claim 1, wherein: the first drill bushing mounting hole (1-2) is in interference fit with the first drill bushing (3-1), and the second drill bushing mounting hole (1-3) is in interference fit with the second drill bushing (3-2).
4. A fastening clip for drilling a sheet with a boss according to claim 1, wherein: the sum of the depth value of the groove depth of the first workpiece mounting groove (1-1) and the depth value of the groove depth of the second workpiece mounting groove (5-1) is less than or equal to the thickness value of the thin plate.
5. A fastening clip for drilling a sheet with a boss according to claim 1, wherein: the diameter of the first drill passing hole (5-2) is greater than the diameter of the corresponding workpiece machining through hole, and the diameter of the second drill passing hole (5-3) is greater than the diameter of the corresponding workpiece machining through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921649452.7U CN211162078U (en) | 2019-09-29 | 2019-09-29 | Fixing clamp for drilling of thin plate with boss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921649452.7U CN211162078U (en) | 2019-09-29 | 2019-09-29 | Fixing clamp for drilling of thin plate with boss |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211162078U true CN211162078U (en) | 2020-08-04 |
Family
ID=71801340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921649452.7U Active CN211162078U (en) | 2019-09-29 | 2019-09-29 | Fixing clamp for drilling of thin plate with boss |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211162078U (en) |
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2019
- 2019-09-29 CN CN201921649452.7U patent/CN211162078U/en active Active
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