Double-station drilling machine

By designing a dual-station drilling machine and utilizing a relative translation drive mechanism and drive wheel set, efficient drilling of symmetrical plates is achieved, solving the problem of low efficiency caused by repeated clamping in existing technologies.

CN223833500UActive Publication Date: 2026-01-27JILIN ZHONGFA MASCH MFG CO LTD
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Patent Information

Application Number
CN202420732660.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-10
Publication Date
2026-01-27
Estimated Expiration
2034-04-10

AI Technical Summary

Technical Problem

Existing technologies require repeated clamping when drilling multiple holes in long axisymmetric plates, which affects processing efficiency.

Method used

A dual-station drilling machine was designed, which adopts a relative translation drive mechanism and drive wheel set. The two drill bits are driven to move relative to each other by left and right helical screws. It is equipped with four corner chucks to fix the plate and realize the efficient processing of symmetrical holes.

Benefits of technology

It improves the machining efficiency of symmetrical holes, reduces the number of clamping operations, and increases machining efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223833500U_ABST
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Abstract

The utility model discloses a double-station drilling machine which comprises a base, a relative translation driving mechanism, a driving wheel set, a first bench drill, a second bench drill and a positioning and locking mechanism. The relative translation driving mechanism is arranged on the base; the first bench drill and the second bench drill are arranged on the base through a relative translation driving mechanism; the relative translation driving mechanism is a left-right rotation lead screw movement mechanism, the driving wheel set drives a left-right rotation lead screw to drive the first bench drill and the second bench drill to move relatively, and the first bench drill and the second bench drill are each provided with a four-corner chuck; when the axisymmetric plate is not processed, the first bench drill and the second bench drill can be independently processed and used; when a long axisymmetric plate is machined, the machined axisymmetric plate is fixed through the four-corner chucks on the first bench drill and the second bench drill, and the axisymmetric plate is drilled through the two bench drills; and the machining efficiency of symmetric holes of the axisymmetric plate is improved.
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Description

Technical Field

[0001] This utility model belongs to the technical field of precision machining equipment, specifically relating to a dual-station drilling machine. Background Technology

[0002] A drilling machine is a piece of equipment often used in the machining of materials, specifically for drilling. A drilling machine is generally composed of a fixture and a drill bit. The fixture is used to hold and fix the workpiece, and the electric spindle drives the drill bit to move downward to drill a hole. The high-speed rotating drill bit can achieve the purpose of drilling when it approaches the workpiece.

[0003] Currently, many long axisymmetric plates often have multiple holes drilled, which requires repeated clamping of the plates for drilling operations, affecting processing efficiency. Summary of the Invention

[0004] The purpose of this invention is to solve the above-mentioned problems and to provide a dual-station drilling machine.

[0005] A dual-station drilling machine includes: a base 1, a first drilling machine 4, and a second drilling machine 5. The base 1 is equipped with a relative translation drive mechanism and a drive wheel set 3. The relative translation drive mechanism includes: left and right spiral screws, optical tracks 24, a left spiral screw nut 25, a first slider 26, a right spiral screw nut 27, and a second slider 28. The two ends of the left and right spiral screws are shafted to the middle of the base frame side plates on both sides of the base 1. There are two optical tracks 24, which are arranged parallel to each other on both sides of the left and right spiral screws. The left spiral screw nut 25 and the first slider 26 are fixed to the lower end face of the first drilling machine base plate 41 of the first drilling machine 4. The right spiral screw nut 27 and the second slider 28 are fixed to the lower end face of the second drilling machine base plate 51 of the second drilling machine 5.

[0006] The drive wheel assembly 3 includes: a handle wheel 31, a transmission shaft 32, a worm 33, and a worm wheel 34; the handle wheel 31 and the worm 33 are fixed at both ends of the transmission shaft 32; the worm wheel 34 is fixed at one end of the left and right screws; the worm 33 meshes with the worm wheel 34 for transmission; the handle wheel 31 drives the left and right screws to rotate through the worm wheel and worm.

[0007] The base 1 includes: a base plate 11, a base side plate 12, and a positioning rack 13; the base plate 11 has base side plates 12 on both sides; the positioning rack 13 is located on one side of the base plate 11, and the two ends of the positioning rack 13 are respectively connected to the base side plates 12 on both sides.

[0008] The inner side of the positioning rack 13 has multiple positioning tooth grooves 131 arranged equidistantly from head to tail.

[0009] The base side plate 12 on the right side is provided with a transmission rod shaft connection frame 1221; the transmission shaft 32 is shaft-connected in the transmission rod shaft connection frame 1221.

[0010] The left and right lead screws are composed of a left lead screw 21, a coupling 22 and a right lead screw 23 connected coaxially.

[0011] The base plate 11 is provided with a coupling shaft connection frame 111 at the center; the shaft diameter of the coupling 22 is connected to the coupling shaft connection frame 111.

[0012] The first drill 4 and the second drill 5 have the same structure; both the bottom plate 41 of the first drill and the bottom plate 51 of the second drill are provided with a positioning and locking mechanism 6 on one side of their lower end faces.

[0013] The positioning and locking mechanism 6 includes: a T-shaped sliding frame 61, a chuck abutment plate 62, a positioning tooth slider 63, and a positioning block spring 64; the upper end of the T-shaped sliding frame 61 is fixed to one side of the lower end of the bench drill base plate, and the chuck abutment plate 62 is fixed to the inner end of the T-shaped sliding frame 61; the positioning tooth slider 63 is provided with a T-shaped groove, and the T-shaped groove on the positioning tooth slider 63 is sleeved on the T-shaped sliding frame 61; one end of the positioning block spring 64 abuts against the chuck abutment plate 62; the other end of the positioning block spring 64 abuts against the inner side of the positioning tooth slider 63; the outer side of the positioning tooth slider 63 is provided with positioning teeth 631; the positioning teeth 631 can engage in the positioning tooth groove 131.

[0014] This technical solution provides a dual-station drilling machine, comprising: a base 1, a relative translation drive mechanism, a drive wheel set 3, a first drill 4, a second drill 5, and a positioning and locking mechanism 6; the relative translation drive mechanism is mounted on the base 1; the first drill 4 and the second drill 5 are mounted on the base 1 via the relative translation drive mechanism; the relative translation drive mechanism is a left-right rotating lead screw motion mechanism, and the drive wheel set 3 drives the first drill 4 and the second drill 5 to move relative to each other by driving the left-right rotating lead screw; both the first drill 4 and the second drill 5 are equipped with four-corner chucks; when not machining axisymmetric plates, the first drill 4 and the second drill 5 can be used for machining independently; when machining long axisymmetric plates, the four-corner chucks on the first drill 4 and the second drill 5 fix the axisymmetric plate to be machined, and the two drills drill holes in the axisymmetric plate; thus improving the machining efficiency of symmetrical holes in axisymmetric plates. Attached Figure Description

[0015] Figure 1 This is an overall schematic diagram of a dual-station drilling machine according to this utility model;

[0016] Figure 2 This is a schematic diagram of the screw rotation and torsion mechanism of a dual-station drilling machine according to this utility model.

[0017] Figure 3 This is an overall rear axle side view of a dual-station drilling machine according to this utility model;

[0018] Figure 4 This is a schematic diagram of the bottom structure of a bench drill of a dual-station drilling machine according to this utility model;

[0019] In the diagram: 1. Base; 11. Base base plate; 111. Coupling shaft connection frame; 12. Base side plate; 121. Left base side plate; 122. Right base side plate; 1221. Transmission rod shaft connection frame; 13. Positioning rack; 131. Positioning tooth groove; 21. Left-hand lead screw; 22. Coupling; 23. Right-hand lead screw; 24. Optical track; 25. Left-hand lead screw nut; 26. First slider; 27. Right-hand lead screw nut; 28. Second slider; 3. Drive wheel set; 31. Handle wheel; 32. Transmission shaft; 33. Worm gear; 34. Worm wheel; 4. The... One drill bit, 41. First drill bit base plate, 42. First spindle support, 43. First electric spindle, 44. First electric spindle lifting handle, 45. First four-corner chuck, 46. First drill bit, 5. Second drill bit, 51. Second drill bit base plate, 52. Second spindle support, 53. Second electric spindle, 54. Second electric spindle lifting handle, 55. Second four-corner chuck, 56. Second drill bit, 6. Positioning and locking mechanism, 61. T-shaped sliding frame, 62. Chuck stop plate, 63. Positioning tooth slider, 631. Positioning tooth, 64. Positioning block spring. Detailed Implementation

[0020] The technical solution will be further described clearly and completely below with reference to the accompanying drawings. The described embodiments are only a part of the technical solution, not all of the embodiments. All other embodiments obtained by those skilled in the art based on this technical solution without creative effort are within the scope of protection of this utility model. Example

[0021] See Figures 1 to 4 As shown, a dual-station drilling machine includes: a base 1, a relative translation drive mechanism, a drive wheel set 3, a first drill 4, a second drill 5, and a positioning and locking mechanism 6.

[0022] The base 1 includes: a base plate 11, a base side plate 12, and a positioning rack 13; the base plate 11 is a long strip-shaped component, and base side plates 12 are provided on both sides of the base plate 11; the positioning rack 13 is provided on one side of the base plate 11, and the two ends of the positioning rack 13 are respectively connected to the base side plates 12 on both sides.

[0023] The positioning rack 13 has multiple positioning tooth grooves 131 arranged equidistantly from head to tail on its inner side; the distance between two positioning tooth grooves 131 is 5mm.

[0024] The base side plate 12 includes: a left base side plate 121 and a right base side plate 122; a transmission rod shaft connector 1221 is also provided on the outer side of the right base side plate 122.

[0025] A coupling shaft bracket 111 is provided at the center of the base plate 11.

[0026] The relative translation drive mechanism includes: a left-hand lead screw 21, a coupling 22, a right-hand lead screw 23, a light track 24, a left-hand lead screw nut 25, a first slider 26, a right-hand lead screw nut 27, and a second slider 28;

[0027] One end of the left-hand lead screw 21 is shafted to the middle of the left base side plate 121; the other end of the left-hand lead screw 21 is connected to one end of the right-hand lead screw 23 through the coupling 22; the other end of the right-hand lead screw 23 is shafted to the middle of the right base side plate 122; the shaft diameter provided in the middle of the coupling 22 is shafted to the coupling shaft bracket 111;

[0028] The left-hand lead screw 21, coupling 22, and right-hand lead screw 23 are on the same axis, that is, the left-hand lead screw 21, coupling 22, and right-hand lead screw 23 form a left-right lead screw; there are two optical tracks 24, which are arranged parallel to each other on both sides of the left-right lead screw; the two ends of the optical tracks 24 are respectively axially connected to the left base side plate 121 and the right base side plate 122; the left-hand lead screw nut 25 is sleeved on the left-hand lead screw 21; the right-hand lead screw nut 27 is sleeved on the right-hand lead screw 23; there are multiple first sliders 26 and second sliders 28; the multiple first sliders 26 and second sliders 28 are respectively sleeved on the two optical tracks 24.

[0029] The drive wheel assembly 3 includes: a handle wheel 31, a transmission shaft 32, a worm gear 33, and a worm wheel 34; the transmission shaft 32 is axially connected to the transmission shaft bracket 1221; the handle wheel 31 is fixed to one end of the transmission shaft 32; the worm gear 33 is located at the other end of the transmission shaft 32; and the worm wheel 34 is fixed to the end of the right-hand lead screw 23.

[0030] The worm 33 meshes with the worm wheel 34 for transmission; the handle wheel 31 is manually turned, and the handle wheel 31 drives the left and right lead screws to rotate through the worm wheel and worm.

[0031] The first drill 4 and the second drill 5 have the same structure.

[0032] The first drill 4 includes: a first drill base plate 41, a first spindle frame 42, a first electric spindle 43, a first electric spindle lifting handle 44, a first four-corner chuck 45, and a first drill bit 46;

[0033] The lower ends of the first spindle frame 42 and the first four-corner chuck 45 are fixed to the upper end face of the first drill base plate 41; the first electric spindle 43 is located at the front end of the first spindle frame 42, and the first electric spindle lifting handle 44 drives the first electric spindle 43 to lift and lower on the first spindle frame 42; the first drill bit 46 is located below the first electric spindle 43.

[0034] The left-handed screw nut 25 is located in the middle of the lower end face of the first drill base plate 41; there are 4 first sliders 26, and the 4 first sliders 26 are respectively fixed at the four corners of the lower end face of the first drill base plate 41.

[0035] The second drill 5 includes: a second drill base plate 51, a second spindle frame 52, a second electric spindle 53, a second electric spindle lifting handle 54, a second four-corner chuck 55, and a second drill bit 56;

[0036] The lower ends of the second spindle frame 52 and the second quadrangular chuck 55 are fixed to the upper end face of the second drill base plate 51; the second electric spindle 53 is located at the front end of the second spindle frame 52, and the second electric spindle lifting handle 54 drives the second electric spindle 53 to rise and fall on the second spindle frame 52; the second drill bit 56 is located below the second electric spindle 53.

[0037] The right-hand thread nut 27 is located in the middle of the lower end face of the second drill base plate 51; there are four second sliders 28, which are respectively fixed at the four corners of the lower end face of the second drill base plate 51.

[0038] The first drill base plate 41 and the second drill base plate 51 are both provided with a positioning and locking mechanism 6 on one side of their lower end faces.

[0039] The positioning and locking mechanism 6 includes: a T-shaped sliding frame 61, a chuck abutment plate 62, a positioning toothed slider 63, and a positioning block spring 64;

[0040] The upper end of the T-shaped sliding frame 61 is fixed to one side of the lower end of the bench drill base plate, and the chuck abutment plate 62 is fixed to the inner end of the T-shaped sliding frame 61; the positioning tooth slider 63 is provided with a T-shaped groove, and the T-shaped groove on the positioning tooth slider 63 is sleeved on the T-shaped sliding frame 61; one end of the positioning block spring 64 abuts against the chuck abutment plate 62; the other end of the positioning block spring 64 abuts against the inner side of the positioning tooth slider 63;

[0041] The outer side of the positioning tooth slider 63 is provided with positioning teeth 631; the positioning teeth 631 can engage in the positioning tooth groove 131.

[0042] The drive wheel assembly 3 drives the first drill 4 and the second drill 5 to move relative to each other via the drive screws. Both the first drill 4 and the second drill 5 are equipped with four-corner chucks. When not machining axisymmetric plates, the distance between the first drill 4 and the second drill 5 is adjusted, and the positioning teeth 631 and the positioning tooth grooves 131 in the positioning locking mechanism 6 engage to fix the distance between the first drill 4 and the second drill 5. When the positioning teeth 631 and the positioning tooth grooves 131 are not fully engaged, the meshing worm 33 and worm wheel 34 can also prevent the first drill 4 and the second drill 5 from shifting. When machining long axisymmetric plates, the four-corner chucks on the first drill 4 and the second drill 5 fix the axisymmetric plate to be machined, and the two drills drill holes in the axisymmetric plate. When not machining axisymmetric plates, the first drill 4 and the second drill 5 can be used for machining independently.

Claims

1. A dual-station drilling machine, comprising: The base (1), the first drill (4), and the second drill (5) are characterized in that: the base (1) is provided with a relative translation drive mechanism and a drive wheel group (3). The relative translation drive mechanism includes: left and right spiral screws, optical rails (24), left spiral screw nut (25), first slider (26), right spiral screw nut (27), and second slider (28); the two ends of the left and right spiral screws are axially connected to the middle of the base frame side plates on both sides of the base (1); there are two optical rails (24), which are arranged parallel to each other on both sides of the left and right spiral screws; the left spiral screw nut (25) and the first slider (26) are fixed to the lower end face of the first drill base plate (41) of the first drill (4); the right spiral screw nut (27) and the second slider (28) are fixed to the lower end face of the second drill base plate (51) of the second drill (5). The drive wheel assembly (3) includes: a handle wheel (31), a transmission shaft (32), a worm (33), and a worm wheel (34); the handle wheel (31) and the worm (33) are fixed at both ends of the transmission shaft (32); the worm wheel (34) is fixed at one end of the left and right screws; the worm (33) and the worm wheel (34) mesh and transmit power; the handle wheel (31) drives the left and right screws to rotate through the worm wheel and worm.

2. The dual-station drilling machine according to claim 1, characterized in that: The base (1) includes: a base plate (11), a base side plate (12), and a positioning rack (13); both sides of the base plate (11) are provided with base side plates (12); the positioning rack (13) is provided on one side of the base plate (11), and both ends of the positioning rack (13) are connected to the base side plates (12) on both sides respectively.

3. The dual-station drilling machine according to claim 2, characterized in that: The inner side of the positioning rack (13) has multiple positioning tooth grooves (131) arranged equidistantly from head to tail.

4. The dual-station drilling machine according to claim 3, characterized in that: The base side plate (12) on the right side is provided with a transmission rod shaft connection frame (1221); the transmission shaft (32) is shafted in the transmission rod shaft connection frame (1221).

5. The dual-station drilling machine according to claim 4, characterized in that: The left and right lead screws are composed of a left lead screw (21), a coupling (22), and a right lead screw (23) connected coaxially.

6. The dual-station drilling machine according to claim 5, characterized in that: The base plate (11) is provided with a coupling shaft connection frame (111) at the center; the shaft diameter provided in the middle of the coupling (22) is connected to the coupling shaft connection frame (111).

7. The dual-station drilling machine according to claim 6, characterized in that: The first drill (4) and the second drill (5) have the same structure; both the bottom plate (41) of the first drill and the bottom plate (51) of the second drill are provided with a positioning and locking mechanism (6) on one side of the lower end face.

8. The dual-station drilling machine according to claim 7, characterized in that: The positioning and locking mechanism (6) includes: a T-shaped sliding frame (61), a chuck abutment plate (62), a positioning tooth slider (63), and a positioning block spring (64); the upper end of the T-shaped sliding frame (61) is fixed to one side of the lower end of the bench drill base plate, and the chuck abutment plate (62) is fixed to the inner end of the T-shaped sliding frame (61); the positioning tooth slider (63) is provided with a T-shaped groove, and the T-shaped groove on the positioning tooth slider (63) is sleeved on the T-shaped sliding frame (61); one end of the positioning block spring (64) abuts against the chuck abutment plate (62); the other end of the positioning block spring (64) abuts against the inner side of the positioning tooth slider (63); the outer side of the positioning tooth slider (63) is provided with positioning teeth (631); the positioning teeth (631) can be engaged in the positioning tooth groove (131).