CN221246982U

CN221246982U - Precision drilling machine

Info

Publication number: CN221246982U
Application number: CN202322883988.8U
Authority: CN
Inventors: 赵鹏; 张光胜; 李玉
Original assignee: Shandong Changlong Machinery Manufacturing Co ltd
Current assignee: Shandong Changlong Machinery Manufacturing Co ltd
Priority date: 2023-10-26
Filing date: 2023-10-26
Publication date: 2024-07-02
Anticipated expiration: 2033-10-26

Abstract

The utility model discloses a precision drilling machine, which comprises a base, wherein a drilling machine is rotatably arranged on the base, positioning clamps are arranged in two ends of a groove at the upper side of the drilling machine, an upper frame is arranged at the upper side of the base, a first cylinder is arranged at the inner top of the upper frame in a sliding manner through a lead screw, a drilling motor is arranged at the lower end of the first cylinder through a mounting plate, a drill bit is arranged at the lower side of the drilling motor, a motor is connected at the lower end of a rotating shaft through a gear set in a transmission manner, and a locking mechanism is arranged at the outer side of the drilling machine.

Description

Precision drilling machine

Technical Field

The utility model relates to the technical field of drilling machines, in particular to a precision drilling machine.

Background

The drilling machine refers to a machine tool which mainly uses a drill bit to machine holes on a workpiece. Typically the drill bit rotates as the primary motion and the drill bit moves axially as the feed motion. The drilling machine has simple structure and relatively low machining precision, can drill through holes and blind holes, replace special cutters, and can perform machining such as expanding, reaming or tapping. The workpiece is stationary during the machining process, the tool is moved, the center of the tool is aligned with the center of the hole, and the tool is rotated (main motion). The drilling machine is characterized in that a workpiece is fixed, and a cutter performs rotary motion.

The single-shaft precision drilling machine with the application number of CN201920585939.7 in the prior art increases the precision of drilling and reduces the error; the practical life of lead screw has been prolonged, but the stability of treating the spare part both ends centre gripping location of processing is general to influence the precision of drilling processing, be inconvenient for the horizontal adjustment drilling position moreover, thereby influence the efficiency of drilling.

Disclosure of utility model

The utility model aims to provide a precision drilling machine, which solves the problems that in the prior art, the stability of clamping and positioning of two ends of a part to be processed is common, so that the drilling processing precision is influenced, the drilling position is inconvenient to horizontally adjust, and the drilling efficiency is influenced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the precision drilling machine comprises a base, the rotation of base upside middle part pivot is equipped with the drilling machine, the inside recess of seting up of drilling machine upside, and the inside positioning fixture that is equipped with in recess both ends, the base upside is equipped with the frame, the top is equipped with first cylinder through the lead screw slip in the frame of going up, first cylinder lower extreme is equipped with drilling motor through the mounting panel, drilling motor downside is installed the drill bit through the connecting seat, the pivot lower extreme is connected with the motor through the gear train transmission, the drilling machine outside is equipped with locking mechanical system.

Further, the motor adopts step motor, and motor fixed mounting middle part under the base, and the drilling machine outside is equipped with the PLC switch board.

Further, the positioning clamp comprises a positioning clamping plate arranged through a second air cylinder, and the second air cylinder and the positioning clamping plate are symmetrically provided with two groups relative to the groove.

Further, the grooves are rectangular grooves, and two sides of the locating clamping plate are arranged in a sliding mode with the grooves.

Furthermore, a locating clamping groove is formed in one side of the upper end of the locating clamping plate, and an anti-slip pad is arranged on the inner wall of the locating clamping groove.

Further, the locking mechanism comprises a locking gear ring arranged on the outer side of the lower portion of the drilling machine, the locking mechanism further comprises a locking piece arranged through a hydraulic cylinder, and a locking tooth piece meshed and connected with the locking gear ring is arranged on the inner side of the locking piece.

Further, the outside of one end of the first cylinder is provided with a limiting plate, and one side of the mounting plate is arranged in a sliding manner with the limiting plate through a guide rod.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the positioning clamp, the positioning clamp is arranged in the two ends of the groove on the upper side of the drilling machine, the positioning clamp comprises the positioning clamp plate arranged through the second cylinder, the groove is arranged into the rectangular groove, and the two sides of the positioning clamp plate are slidably arranged with the groove, so that the positioning clamp plate is driven to move and adjust through the second cylinder, the two ends of a part to be processed can be clamped, the positioning stability is higher, and the precision of drilling processing is improved.

2. According to the utility model, the first cylinder is arranged at the inner top of the upper frame in a sliding manner through the screw rod, the drilling motor is arranged at the lower end of the first cylinder through the mounting plate, the drilling motor and the drill bit can be moved in the horizontal and vertical directions through the screw rod and the first cylinder to adjust the drilling position, and the drilling machine is convenient and quick to adjust, so that the efficiency of drilling machine processing is improved.

3. According to the drilling machine, the drilling machine is rotatably arranged on the middle rotating shaft on the upper side of the base, and the motor is connected to the lower end of the rotating shaft through the gear set in a transmission mode, so that the drilling machine is driven to rotate and adjust through the motor and the gear set, the drilling position is convenient to adjust, and the drilling efficiency is further improved.

4. The locking mechanism is arranged on the outer side of the lower portion of the drilling machine, the locking mechanism comprises a locking gear ring arranged on the outer side of the lower portion of the drilling machine, the locking mechanism further comprises a locking piece arranged through a hydraulic cylinder, and the inner side of the locking piece is provided with a locking gear piece meshed and connected with the locking gear ring, so that the locking piece is driven by the hydraulic cylinder to move and adjust the locking gear ring meshed and connected with the locking gear ring on the outer side of the lower portion of the drilling machine, the drilling machine at the rotation adjustment position can be locked, the drilling machine is prevented from moving during drilling, and the drilling precision is further improved.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a front elevational view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the drill press of the present utility model;

fig. 3 is a schematic view of the structure of the locking tab of the present utility model.

In the figure: 1. a base; 2. drilling machine; 3. a rotating shaft; 4. a gear set; 5. a motor; 6. an upper frame; 7. a PLC control cabinet; 8. locking the gear ring; 9. a screw rod; 10. locking the tooth piece; 11. a first cylinder; 12. a mounting plate; 13. a drilling motor; 14. a drill bit; 15. a limiting plate; 16. a guide rod; 17. a groove; 18. positioning clamping plates; 19. a second cylinder; 20. a locking piece; 21. a hydraulic cylinder; 22. and positioning the clamping groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, 2 and 3, in the embodiment of the utility model, the precision drilling machine comprises a base 1, a drilling machine 2 is rotatably arranged on a middle rotating shaft 3 on the upper side of the base 1, a groove 17 is formed in the upper side of the drilling machine 2, positioning clamps are arranged in two ends of the groove 17, an upper frame 6 is arranged on the upper side of the base 1, a first cylinder 11 is slidably arranged on the inner top of the upper frame 6 through a lead screw 9, a drilling motor 13 and a drilling bit 14 can be horizontally and vertically moved through the lead screw 9 and the first cylinder 11 to adjust the drilling position, the adjustment is convenient and fast, the efficiency of drilling machine processing is improved, the drilling motor 13 is arranged at the lower end of the first cylinder 11 through a mounting plate 12, a drilling bit 14 is arranged at the lower side of the drilling motor 13 through a connecting seat, a motor 5 is connected to the lower end of the rotating shaft 3 through a gear set 4 in a transmission manner, the drilling machine 5 and the gear set 4 are driven to be rotatably adjusted, the drilling position is convenient to be adjusted, the drilling efficiency is further improved, a locking mechanism is arranged on the outer side of the drilling machine 2, the locking mechanism is capable of locking the drilling machine 2 after the position is adjusted, the drilling machine is prevented from moving, and the drilling machine is favorable to be further improved.

Preferably, the motor 5 adopts a stepping motor, and the motor 5 is fixedly arranged at the lower middle part of the base 1, and a PLC control cabinet 7 is arranged at the outer side of the drilling machine 2, so that the whole operation and control are convenient.

Preferably, the positioning fixture comprises a positioning clamping plate 18 arranged through a second air cylinder 19, and the second air cylinder 19 and the positioning clamping plate 18 are symmetrically arranged in two groups relative to the groove 17, so that the positioning clamping plate 18 is driven to move and adjust through the second air cylinder 19, clamping treatment can be carried out on two ends of a part to be processed, positioning stability is high, and the accuracy of drilling processing is improved.

Preferably, the groove 17 is arranged as a rectangular groove, and two sides of the positioning clamping plate 18 are slidably arranged with the groove 17, so that sliding guiding treatment can be performed when the positioning clamping plate 18 is movably adjusted, and the stability of part clamping and fixing between the positioning clamping plates 18 can be improved.

Preferably, the locating clamping groove 22 is formed in one side of the upper end of the locating clamping plate 18, and an anti-slip pad is arranged on the inner wall of the locating clamping groove 22, so that anti-slip myocardial infarction on the inner wall of the locating clamping groove 22 is increased, and stability of part clamping and fixing between the locating clamping plates 18 is further improved.

Preferably, the locking mechanical system includes that drilling machine 2 lower part outside is equipped with locking ring gear 8, and locking mechanical system still includes the locking piece 20 that is equipped with through pneumatic cylinder 21, and locking piece 20 inboard is equipped with the locking tooth piece 10 of being connected with locking ring gear 8 meshing for through the locking piece 8 meshing connection of the locking piece 20 removal regulation of pneumatic cylinder 21 drive and drilling machine 2 lower part outside, can carry out locking treatment to drilling machine 2 after the rotation regulation position, drilling machine 2 removes when preventing the drilling, is favorable to further improving drilling precision.

Preferably, the outside of one end of the first cylinder 11 is provided with a limiting plate 15, and one side of the mounting plate 12 is slidably arranged with the limiting plate 15 through a guide rod 16, so that the sliding guide limiting treatment is performed on one end of the mounting plate 12, and the drilling precision is improved.

The working principle and the using flow of the utility model are as follows: the parts to be drilled are placed in the grooves 17 of the drilling machine 2, clamping treatment is carried out on the two ends of the parts to be processed through positioning fixtures arranged inside the two ends of the grooves 17 on the upper side of the drilling machine 2, then the drilling motor 13 and the drill bit 14 are moved and adjusted through the lead screw 9 and the first cylinder 11, positioning stability of the parts is high, accuracy of drilling processing is improved, meanwhile, a locking mechanism is arranged on the outer side of the drilling machine, the drilling machine 2 after rotating and adjusting the position can be locked, movement of the drilling machine 2 during drilling is prevented, and further improvement of drilling accuracy is facilitated.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. Precision drilling machine, including base (1), its characterized in that: the drilling machine is characterized in that the drilling machine (2) is rotatably arranged on the middle rotating shaft (3) on the upper side of the base (1), a groove (17) is formed in the upper side of the drilling machine (2), positioning fixtures are arranged inside the two ends of the groove (17), an upper frame (6) is arranged on the upper side of the base (1), a first cylinder (11) is slidably arranged on the inner top of the upper frame (6) through a screw rod (9), a drilling motor (13) is arranged at the lower end of the first cylinder (11) through a mounting plate (12), a drill bit (14) is arranged on the lower side of the drilling motor (13) through a connecting seat, a motor (5) is connected to the lower end of the rotating shaft (3) through a gear set (4) in a transmission mode, and a locking mechanism is arranged on the outer side of the drilling machine (2).

2. The precision drilling machine of claim 1, wherein: the motor (5) adopts a stepping motor, and the motor (5) is fixedly arranged at the lower middle part of the base (1).

3. The precision drilling machine of claim 1, wherein: the positioning clamp comprises a positioning clamping plate (18) which is arranged through a second air cylinder (19), and the second air cylinder (19) and the positioning clamping plate (18) are symmetrically provided with two groups relative to the groove (17).

4. A precision drilling machine as claimed in claim 3, wherein: the grooves (17) are rectangular grooves, and two sides of the locating clamping plates (18) are arranged in a sliding mode with the grooves (17).

5. A precision drilling machine as claimed in claim 3, wherein: a locating clamping groove (22) is formed in one side of the upper end of the locating clamping plate (18), and an anti-slip pad is arranged on the inner wall of the locating clamping groove (22).

6. The precision drilling machine of claim 1, wherein: the locking mechanism comprises a locking gear ring (8) arranged on the outer side of the lower portion of the drilling machine (2), the locking mechanism further comprises a locking piece (20) arranged through a hydraulic cylinder (21), and a locking tooth piece (10) in meshed connection with the locking gear ring (8) is arranged on the inner side of the locking piece (20).