Drilling jig

Abstract

The utility model relates to the technical field of drilling equipment, in particular to a drilling jig which comprises a base plate. Two or more supporting bases are arranged on the base plate in the length direction of the base plate at intervals, and supporting stations are arranged on the supporting bases and used for installing and placing workpieces to be drilled. A workpiece rotation limiting mechanism is arranged on the base plate and corresponds to the plane of one end of the workpiece to be drilled, and the workpiece rotation limiting mechanism is provided with a limiting face and can be attached to the plane of one end of the workpiece to be drilled so as to limit rotation of the workpiece. A workpiece clamping mechanism is arranged on the seat plate and corresponds to the other end of the workpiece to be drilled, the workpiece clamping mechanism is provided with clamping blocks arranged on the two sides of the workpiece in pairs, and the inner ends of the two clamping blocks in pairs form clamping faces respectively and can be attached to and supported on the two sides of the workpiece; the clamping device has the advantages of being simple and reasonable in structural design, convenient to operate and clamp, and more reliable in clamping and positioning of workpieces.

Description

TECHNICAL FIELD

[0001] The utility model relates to detection equipment technical field, especially a kind of drilling jig. BACKGROUND

[0002] As Figure 1 It is a kind of shaft workpiece of elongated structure, the workpiece in machining process, including the plane of one side of the outer circle of one end is formed, and the through hole that is set in axial direction is obtained by machining on the plane;It also includes the vertical hole that is obtained by machining on the workpiece and is spaced apart along the length direction;Drilling is generally used to obtain vertical hole on the workpiece, which requires drilling jig to be clamped and positioned and then completed machining. The drilling jig of the existing structure generally has the following shortcomings: 1, it is not convenient to complete clamping operation quickly;2, when clamping the workpiece, the force acting on the workpiece is unbalanced, which causes the workpiece to be easily deformed, affecting the drilling precision quality;3, the drilling position is not convenient to adjust, and the applicability is poor.

[0003] Therefore, how to design a drilling jig with simple and reasonable structure, convenient operation and clamping, reliable workpiece clamping and positioning, and convenient adjustment, becomes a technical problem to be solved by the technical personnel in the field. CONTENT OF THE UTILITY MODEL

[0004] In view of the above defects of the prior art, the technical problem to be solved by the utility model is how to design a drilling jig with simple and reasonable structure, convenient operation and clamping, reliable workpiece clamping and positioning, and convenient adjustment.

[0005] To achieve the above-mentioned purpose, the utility model provides a kind of drilling jig, including seat plate;Its characterized in that;Two or more than two support seats are set on the seat plate and are spaced apart along the length direction of seat plate, support seat is equipped with support station and is used to install and place the workpiece to be drilled;Workpiece rotating limiting mechanism is provided on the seat plate and corresponds to the plane of one end of the workpiece to be drilled, and the workpiece rotating limiting mechanism has limiting surface and can be attached to the plane of one end of the workpiece to be drilled to limit the rotation of workpiece;Workpiece clamping mechanism is provided on the seat plate and corresponds to the other end of the workpiece to be drilled, and the workpiece clamping mechanism has a pair of clamping blocks arranged on both sides of the workpiece, and the inner end of the pair of clamping blocks forms a clamping surface and can be attached to support on both sides of the workpiece;Positioning plate is respectively provided above each support seat, and the positioning plate is respectively provided with vertically arranged drilling guide hole, and the lower end of drill bit can be vertically inserted into drilling guide hole and complete drilling on the workpiece.

[0006] Thus, in the drilling jig structure described above, the workpiece rotation limiting mechanism has a limiting surface that is attached to the flat surface at one end of the workpiece to be drilled to limit the rotation of the workpiece; the workpiece clamping mechanism has two clamping surfaces on the left and right respectively, which are attached to the workpiece on both sides respectively to complete clamping. The limiting and clamping design is simpler, and when limiting and clamping are completed, the stress on the workpiece is more balanced and reasonable. After clamping, the workpiece deformation is smaller, the workpiece clamping and positioning is more reliable, and the drilling precision and quality can be improved.

[0007] As an optimization, a V-shaped groove is provided on the upper surface of the support seat, and the two side surfaces of the V-shaped groove form the support station; and a rectangular accommodation groove is provided at the lower end of the V-shaped groove, and the width of the accommodation groove is greater than the diameter of the drill bit.

[0008] In this way, the structural design of the support seat is simpler and more reasonable, which can better position the workpiece and is more convenient to operate. The designed accommodation groove can better protect the support seat from being damaged by the drill bit.

[0009] Further, the support seat is two that are arranged in a spaced manner along the length direction of the seat plate.

[0010] As an optimization, a vertical through-hole is provided on the positioning plate, and a guide sleeve is provided in the through-hole, and the inner hole of the guide sleeve forms the drilling guide hole.

[0011] In this way, by designing the guide sleeve, the overall structural design is simpler and more reasonable, and it is more convenient to replace to ensure the accuracy of the drilling guide hole.

[0012] As an optimization, the positioning plate includes a positioning plate horizontal section arranged above the support seat, and the two ends of the positioning plate horizontal section are respectively bent downward to form a positioning plate vertical section, and the inner side surfaces of the positioning plate vertical section are respectively attached to the two side surfaces of the support seat; the mounting hole is provided on the positioning plate horizontal section.

[0013] In this way, the structural design of the positioning plate is simpler and more reasonable.

[0014] Further, an accommodation groove is provided in the middle of the lower surface of the positioning plate horizontal section.

[0015] Further, the two ends of the positioning plate horizontal section are respectively provided with a long hole, and the long hole is used to arrange a connecting screw, and the connecting screw can be threadedly connected to a threaded hole provided on the support seat.

[0016] In this way, it is more convenient to fine-tune the positioning plate.

[0017] As an optimization, a mounting guide rail is provided on the seat plate along the length direction of the seat plate, and a mounting groove is provided on the support seat corresponding to the mounting guide rail, so that the support seat is mounted on the mounting guide rail.

[0018] Thus, the position of the support seat on the seat plate can be adjusted more conveniently.

[0019] Further, the support seat and the seat plate are limited by a fixing screw.

[0020] Further, the mounting guide rail is mounted and fixed on the seat plate by a mounting screw.

[0021] As an optimization, the workpiece rotation limiting mechanism comprises a rotation limiting seat mounted on the mounting guide rail, a rotation limiting hole is arranged on the rotation limiting seat, and one end of the workpiece can be inserted into the rotation limiting hole, and an inwardly protruding limiting surface is arranged on one side of the inner wall surface of the rotation limiting hole.

[0022] Thus, the workpiece rotation limiting mechanism is designed more simply and reasonably, and is more convenient to operate; and the position of the rotation limiting seat on the seat plate can be adjusted conveniently.

[0023] Further, the rotation limiting seat and the seat plate are limited by a fixing screw.

[0024] As an optimization, the workpiece clamping mechanism comprises a mounting seat mounted on the mounting guide rail, an installation block is protruded upward in the middle of the mounting seat, a mounting through hole is arranged on the installation block for the workpiece to pass horizontally, a matching hole is arranged on each side of the installation block and horizontally penetrates the workpiece on each side, and the clamping block is slidably arranged in the matching hole; a driving cylinder is arranged on each side of the mounting seat and corresponds to the outer end of the clamping block, the working end of the driving cylinder can push the clamping block to move inward, and the clamping surface of the inner end of the clamping block is supported on the two sides of the workpiece.

[0025] Thus, the workpiece clamping mechanism is designed more simply and reasonably, and can better improve the stability of clamping.

[0026] Further, the mounting seat and the seat plate are limited by a fixing screw.

[0027] Further, a mounting support plate is arranged on each side of the mounting seat, and the driving cylinder is mounted on the mounting support plate.

[0028] As an optimization, a horizontally outwardly arranged connecting rod is connected to the outer end of each clamping block, an abutting head is connected to the outer end of the connecting rod, a spiral spring is sleeved on the connecting rod, the two ends of the spiral spring are respectively abutted and supported on the installation block and the abutting head to make the clamping block have an outward movement tendency, and the working end of the driving cylinder is abutted and supported on the abutting head to overcome the thrust of the spiral spring and push the clamping block to move inward.

[0029] Thus, after the workpiece drilling is completed, the driving cylinder is loosened, the spiral spring can push the clamping block to move outward, and the inner end of the clamping block is pushed out to the outside of the two sides of the installation through hole, so that the workpiece is more convenient to take down, and the clamping of the next workpiece is also more convenient.

[0030] Further, the inner end of the clamping block is designed as a concave arc surface structure and matches the outer peripheral surface of the workpiece.

[0031] In summary, the drilling jig has the characteristics of simple and reasonable structure design, convenient operation and clamping, reliable workpiece clamping and positioning, and convenient adjustment. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 is a structure schematic view of the workpiece to be drilled in the embodiment of the utility model.

[0033] Figure 2 is a top view schematic view of the drilling jig in the embodiment of the utility model.

[0034] Figure 3 is Figure 2 A-A sectional view schematic view in.

[0035] Figure 4 is Figure 3 B position in the local enlarged schematic view.

[0036] Figure 5 is Figure 2 C-C sectional view schematic view in.

[0037] Figure 6 is Figure 2 side view schematic view of. DETAILED DESCRIPTION

[0038] The utility model will be further described below in combination with the drawings and examples, and it should be noted that in the description of the utility model, the terms "upper", "lower", "left", "right", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the devices or elements must have a specific orientation, be constructed and operated in a specific way, and therefore cannot be understood as limiting the utility model. The terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0039] As Figures 1 to 6As shown, a drilling jig comprises a seat plate 1; two or more support seats 2 are arranged on the seat plate and spaced along the length direction of the seat plate, the support seats are provided with support stations and used for mounting and placing workpieces 3 to be drilled; a workpiece rotation limiting mechanism is arranged on the seat plate and corresponds to a flat surface at one end of the workpiece to be drilled, and the workpiece rotation limiting mechanism has a limiting surface 4 and can be attached to the flat surface at one end of the workpiece to be drilled to limit the rotation of the workpiece; a workpiece clamping mechanism is arranged on the seat plate and corresponds to the other end of the workpiece to be drilled, the workpiece clamping mechanism has a pair of clamping blocks 5 arranged on both sides of the workpiece, and the inner ends of the pair of clamping blocks each form a clamping surface 6 and can be attached to support on both sides of the workpiece; a positioning plate 7 is arranged above each support seat, the positioning plate is provided with a vertically arranged drilling guide hole 8, and the lower end of the drill bit can vertically penetrate the drilling guide hole and complete drilling on the workpiece.

[0040] In this way, in the drilling jig structure described above, the limiting surface of the workpiece rotation limiting mechanism is attached to the flat surface at one end of the workpiece to be drilled to limit the rotation of the workpiece; the left and right pair of clamping surfaces of the workpiece clamping mechanism are respectively attached to the workpiece on both sides to complete clamping, the limiting and clamping design is simpler, the stress on the workpiece is more balanced and reasonable when the limiting and clamping are completed, the workpiece deformation is smaller after clamping, the workpiece clamping and positioning are more reliable, and the drilling precision and quality can be improved.

[0041] In this embodiment, a V-shaped groove 9 is arranged on the upper surface of the support seat, the two side surfaces of the V-shaped groove form the support station; and a rectangular accommodation groove 10 is arranged at the lower end of the V-shaped groove, and the width of the accommodation groove is greater than the diameter of the drill bit.

[0042] In this way, the structure design of the support seat is simpler and more reasonable, and the workpiece can be better positioned and operated more conveniently. The designed accommodation groove can better protect the support seat from being damaged by the drill bit.

[0043] Further, the support seat is two and arranged spaced along the length direction of the seat plate.

[0044] In this embodiment, a mounting hole is arranged vertically and penetrates the positioning plate, a guide sleeve 11 is arranged in the mounting hole, and the inner hole of the guide sleeve forms the drilling guide hole.

[0045] In this way, by designing the guide sleeve, the entire structure design is simpler and more reasonable, and the guide sleeve can be replaced more conveniently to ensure the accuracy of the drilling guide hole.

[0046] In the embodiment, the positioning plate comprises a horizontal segment 12 of the positioning plate which is arranged above the support base, and the horizontal segment 12 of the positioning plate is bent downward at both ends to form vertical segments 13 of the positioning plate, and the inner sides of the vertical segments 13 of the positioning plate are arranged on the two side surfaces of the support base. The mounting holes are arranged on the horizontal segment 12 of the positioning plate.

[0047] In this way, the structure of the positioning plate is more simple and reasonable.

[0048] Further, a slot 14 is arranged in the middle of the lower surface of the horizontal segment of the positioning plate.

[0049] Further, a long hole 15 is arranged at each end of the horizontal segment of the positioning plate, the long hole is used to arrange a connecting screw, and the connecting screw is threadedly connected to a threaded hole arranged on the support base.

[0050] In this way, the positioning plate can be more conveniently fine-tuned.

[0051] In the embodiment, a mounting rail 16 is arranged on the seat plate in the length direction of the seat plate, and a mounting groove is arranged on the support base corresponding to the mounting rail, so that the support base is mounted on the mounting rail.

[0052] In this way, the position of the support base on the seat plate can be more conveniently adjusted.

[0053] Further, the support base and the seat plate are limited by a fixing screw.

[0054] Further, the mounting rail is mounted and fixed on the seat plate by a mounting screw.

[0055] In the embodiment, the workpiece rotation limiting mechanism comprises a rotation limiting base 17 which is mounted on the mounting rail, a rotation limiting hole 18 is arranged on the rotation limiting base, one side of the inner circumferential surface of the rotation limiting hole is inwardly protruding and forms the limiting surface, and one end of the workpiece can be inserted into the rotation limiting hole.

[0056] In this way, the workpiece rotation limiting mechanism is more simple and reasonable in design and more convenient to operate, and the position of the rotation limiting base on the seat plate can be conveniently adjusted.

[0057] Further, the rotation limiting base and the seat plate are limited by a fixing screw.

[0058] In the embodiment, the workpiece clamping mechanism comprises a mounting base 19 mounted on the mounting guide rail, a mounting block 20 protruding upward in the middle of the mounting base, a mounting through hole provided on the mounting block for the workpiece to pass through horizontally, a matching hole provided on each side of the mounting block and corresponding to each side of the workpiece, and a clamping block slidably provided in the matching hole. A driving cylinder 21 is provided on the mounting base and corresponds to the outer end of the clamping block, and the working end of the driving cylinder can push the clamping block to move inward, and the clamping surface at the inner end of the clamping block can be supported on each side of the workpiece.

[0059] In this way, the workpiece clamping mechanism is designed more simply and reasonably, and the stability of clamping can be improved.

[0060] Further, the mounting base and the seat plate are limited by the fixing screws.

[0061] Further, a mounting support plate 22 is provided on each side of the mounting base, and the driving cylinder is mounted on the mounting support plate.

[0062] In the embodiment, a connecting rod 23 is connected to the outer end of the clamping block, a butt joint 24 is connected to the outer end of the connecting rod, a spiral spring 25 is sleeved on the connecting rod, and the two ends of the spiral spring are supported on the mounting block and the butt joint, so that the clamping block has a tendency to move outward. The working end of the driving cylinder can be supported on the butt joint to overcome the thrust of the spiral spring and push the clamping block to move inward.

[0063] In this way, after the workpiece drilling is completed, the driving cylinder is loosened, the spiral spring can push the clamping block to move outward, and the inner end of the clamping block is pushed out to the outside of the mounting through hole, which is more convenient for taking down the workpiece and clamping the next workpiece.

[0064] Further, the inner end of the clamping block is designed as a concave arc surface structure and matches the outer peripheral surface of the workpiece.

[0065] In summary, the above drilling jig has the characteristics of simple and reasonable structure design, convenient operation and clamping, reliable workpiece clamping and positioning, and convenient adjustment.

[0066] The preferred embodiments of the present application are described in detail above. It should be understood that those skilled in the art can make many modifications and changes without creative labor according to the concept of the present application. Therefore, any technical solution obtained by logical analysis, reasoning or limited experiment on the basis of the prior art according to the concept of the present application shall be within the protection scope determined by the claims.

Claims

1. A drilling fixture, comprising a base plate; characterized in that; Two or more support seats are spaced apart along the length of the base plate. Each support seat has a support station for mounting and placing the workpiece to be drilled. A workpiece rotation limiting mechanism is provided on a plane on the base plate corresponding to one end of the workpiece to be drilled. The workpiece rotation limiting mechanism has a limiting surface that can be attached to the plane at one end of the workpiece to limit the rotation of the workpiece. A workpiece clamping mechanism is provided on the base plate corresponding to the other end of the workpiece. The workpiece clamping mechanism has a pair of clamping blocks arranged on both sides of the workpiece. The inner ends of the clamping blocks each form a clamping surface that can be attached to and supported on both sides of the workpiece. A positioning plate is provided above each support seat. Each positioning plate has a vertically arranged drilling guide hole, which allows the lower end of the drill bit to penetrate vertically into the drilling guide hole and complete the drilling on the workpiece.

2. The drilling fixture as described in claim 1, characterized in that: A V-shaped groove is provided on the upper surface of the support base, and the two sides of the V-shaped groove form the support station; and a rectangular clearance groove is provided at the lower end of the V-shaped groove, and the width of the clearance groove is set to be greater than the diameter of the drill bit.

3. A drilling fixture as described in claim 1, characterized in that: A vertically penetrating mounting hole is provided on the positioning plate, and a guide sleeve is provided inside the mounting hole, with the inner hole of the guide sleeve forming the drilling guide hole.

4. A drilling fixture as described in claim 3, characterized in that: The positioning plate includes a horizontal section that is attached to the support base. Both ends of the horizontal section are bent downwards to form a vertical section, and the inner sides of the vertical section are attached to the two sides of the support base. The mounting holes are provided on the horizontal section of the positioning plate.

5. A drilling fixture as described in claim 1, characterized in that: A mounting guide rail is provided on the base plate along the length of the base plate, and a mounting groove is provided on the support base corresponding to the mounting guide rail, so that the support base is mounted on the mounting guide rail.

6. A drilling fixture as described in claim 5, characterized in that: The workpiece rotation limiting mechanism includes a rotation limiting seat mounted on a mounting guide rail, a rotation limiting hole provided on the rotation limiting seat, and a workpiece end that can be inserted into the rotation limiting hole. One side of the inner circumferential surface of the rotation limiting hole protrudes inward to form the limiting surface.

7. A drilling fixture as described in claim 5, characterized in that: The workpiece clamping mechanism includes a mounting base mounted on a mounting guide rail. The mounting base protrudes upward in the middle to form a mounting block. The mounting block is provided with a mounting through hole for the workpiece to pass through horizontally. On both sides of the mounting block, corresponding to the two sides of the workpiece, there are horizontally penetrating mating holes. The clamping blocks are slidably disposed in the mating holes. A drive cylinder is provided at the outer end of each corresponding clamping block on the mounting base, so that the working end of the drive cylinder can push the clamping block inward, and the clamping surfaces of the inner ends of the clamping blocks are attached to and supported on both sides of the workpiece.

8. A drilling fixture as described in claim 7, characterized in that: Each clamping block is connected to a horizontally outward connecting rod at its outer end. The outer end of the connecting rod is connected to an abutment. A helical spring is also fitted on the connecting rod, and the two ends of the helical spring abut against the mounting block and the abutment, so that the clamping block has an outward movement tendency. The working ends of the drive cylinders abut against the abutments to overcome the thrust of the helical springs and push the clamping blocks inward.

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