Linear guide rail base drilling machine

By designing a linear guide base drilling machine that includes conveying, positioning, drilling, fixing and purge mechanisms, the problems of easy deflection of the plate holes in the prior art and the need for repeated measurements are solved, and automatic interval drilling and efficient and accurate drilling process are realized.

CN222608872UActive Publication Date: 2025-03-14SHENYANG CREATE PRECISION MASCH CO LTD
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Patent Information

Application Number
CN202420916194.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-29
Publication Date
2025-03-14
Estimated Expiration
2034-04-29

AI Technical Summary

Technical Problem

When existing drilling machines drill holes multiple times on the long plates of linear guide bases, they are prone to punching and missing, and require repeated measurement of the hole position, which is troublesome and inefficient.

Method used

A linear guide rail base drilling machine including a conveying mechanism, a positioning mechanism, a drilling mechanism, a fixing mechanism and a purge mechanism are designed. The conveying mechanism drives the plate forward, and the positioning mechanism locates the plate left and right to prevent deviation; the drilling mechanism automatically drills the plate, and the fixing mechanism fixes the plate to ensure stability; the purge mechanism cleans up the waste chips generated by the drilling holes.

Benefits of technology

Automatic interval drilling of the plate is realized, avoiding the trouble of drilling deviation and repeated measurement, and improving drilling efficiency and accuracy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of drilling machines, in particular to a drilling machine for a linear guide rail base, which not only saves the trouble of repeatedly measuring plates, but also can automatically punch the plates at intervals, and can position long-strip plates to prevent punching deviation. Comprising a conveying mechanism; the plate punching device further comprises a positioning mechanism, a drilling mechanism, a fixing mechanism and a blowing mechanism, the positioning mechanism is installed on the conveying mechanism and used for positioning a plate, the drilling mechanism is installed on the conveying mechanism and used for punching the plate, and the fixing mechanism is installed on the drilling mechanism and used for fixing the plate. And the blowing mechanism is mounted on the drilling mechanism and is used for blowing the sweeps.
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Description

Technical Field

[0001] The utility model relates to the technical field of drilling machines, in particular to a linear guide rail base drilling machine. Background Art

[0002] The linear guide base is an important component of the linear guide. It constitutes the foundation of the linear guide. The base is usually made of metal materials such as iron and aluminum, and there are mounting holes at the bottom for easy installation and fixation.

[0003] Existing drilling machines, such as a linear guide automatic multi-station drilling machine disclosed in the utility model patent with application number 201821991492.5, have a main structure including a bed, a working platform arranged on the bed and a first driving mechanism for driving the working platform to move, a clamping mechanism arranged on the working platform, and a drilling mechanism arranged on both sides of the working platform. The drilling mechanism includes a first chamfering power head and a countersinking power head on one side and a second chamfering power head and a drilling power head on the other side. When in use, the linear guide to be processed is first installed on the working platform through the clamping mechanism, and then the equipment is started. The first driving mechanism drives the working platform and the linear guide to move, and at the same time, multiple power heads on both sides perform corresponding hole processing on the linear guide.

[0004] However, most of the linear guide bases are long strips of plate, which need to be punched multiple times. It is easy to punch the holes off-center, and the holes also need to be punched at certain intervals on the plate, which makes repeated measurements very troublesome. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a linear guide base drilling machine which not only saves the trouble of repeatedly measuring the plate, but can also automatically perform interval drilling on the plate, and can also position the long strip of plate to prevent the drilling from going off track.

[0006] The utility model discloses a linear guide base drilling machine, comprising a conveying mechanism; further comprising a positioning mechanism, a drilling mechanism, a fixing mechanism and a purging mechanism, wherein the positioning mechanism is mounted on the conveying mechanism and positions a plate, the drilling mechanism is mounted on the conveying mechanism and punches holes in the plate, the fixing mechanism is mounted on the drilling mechanism and fixes the plate, and the purging mechanism is mounted on the drilling mechanism and purges waste chips; the plate is conveyed forward on the conveying mechanism, the positioning mechanism is started to position the left and right sides of the plate to prevent the plate from deviating, the drilling mechanism punches holes in the plate, and the fixing mechanism fixes the plate at the same time to ensure the stability of the plate during punching, and the purging mechanism purges the drilling mechanism while drilling holes, and purges waste chips generated by the drilling.

[0007] Preferably, the conveying mechanism includes a workbench, multiple sets of conveying rollers and a chip removal bucket. The bottom end of the workbench is connected to the ground, the multiple sets of conveying rollers are rotatably installed on the workbench, and the chip removal bucket is installed on the workbench; the plate is placed on the multiple sets of conveying rollers, and the multiple sets of conveying rollers rotate to drive the plate forward. A trash can is placed at the bottom end of the chip removal bucket, and the waste chips generated after drilling the plate fall into the trash can through the chip removal bucket for collection.

[0008] Preferably, the positioning mechanism includes two groups of support platforms, a servo motor, two groups of bidirectional lead screws, four groups of sliders, multiple groups of guide wheels, two groups of pulleys and belts, the bottom ends of the two groups of support platforms are connected to the top end of the workbench and the two groups of support platforms are respectively installed on the front and rear sides of the drilling mechanism, the servo motor is installed on one of the support platforms, the two groups of bidirectional lead screws are respectively rotatably installed on the two groups of support platforms, each group of bidirectional lead screws is slidably installed on the two groups of sliders, each group of sliders is rotatably installed with multiple groups of guide wheels, the pulleys are installed on the bidirectional lead screws, and the belt tensioning is installed on the two groups of pulleys; start the servo motor, the servo motor drives the bidirectional lead screw connected to it to rotate, the bidirectional lead screw drives the two groups of sliders to slide toward each other, so that the multiple groups of guide wheels clamp the plate, so that the plate is always located in the middle position of the workbench, and by setting the guide wheels, the plate is convenient to be transmitted forward following the multiple groups of conveying rollers, and at the same time the bidirectional lead screw drives the pulley to rotate, and the pulley drives another group of pulleys and the bidirectional lead screw to rotate through the belt, so that the plate is always located in the middle position of the workbench.

[0009] Preferably, the drilling mechanism comprises two groups of brackets, a motor, two groups of reducers, a transmission shaft 1, two groups of reciprocating screws, a connecting plate and a drilling rig, the bottom ends of the two groups of brackets are connected to the top end of the workbench, the bottom ends of the motor are connected to the top end of the bracket, the bottom ends of the two groups of reducers are respectively connected to the top ends of the two groups of brackets, the transmission shaft 1 is rotatably installed on the two groups of reducers, the two groups of reciprocating screws are respectively installed on the two groups of brackets and are respectively longitudinally connected to the two groups of reducers, the connecting plate is slidably installed on the two groups of reciprocating screws, and the drilling rig is installed on the connecting plate; start the motor, the motor drives the reducer connected thereto to rotate, the reducer drives the other group of reducers to rotate through the transmission shaft 1, the two groups of reducers simultaneously drive the two groups of reciprocating screws to rotate, the two groups of reciprocating screws drive the connecting plate to move downward, the drilling rig drills holes in the plate, and starts to move upward after the connecting plate moves to the lowest end, and then the plate moves forward, and when the connecting plate moves to the top end, it moves downward again, and the drilling rig drills holes in the plate again, and the two groups of drilling holes are adjusted to a suitable distance apart.

[0010] Preferably, the fixing mechanism includes four groups of telescopic rods, four groups of springs, two groups of pressure plates, four groups of hydraulic cylinders and a base, the top ends of the four groups of telescopic rods are connected to the bottom ends of the connecting plates, the four groups of springs are respectively mounted on the four groups of telescopic rods, the pressure plates are installed on the bottom ends of the two groups of telescopic rods located on the same side of the drilling rig, the four groups of hydraulic cylinders are all installed on the workbench, the bottom end of the base is connected to the top ends of the four groups of hydraulic cylinders, and the base is provided with through holes; the connecting plate drives the four groups of telescopic rods and springs to descend, so that the two groups of pressure plates squeeze the plate to fix the plate, and the connecting plate continues to descend to compress the telescopic rods and springs, thereby enhancing the fixation of the plate and facilitating the fixing of the plate by the drilling rig, and at the same time the hydraulic cylinder lifts the base and cooperates with the pressure plate to fix the plate, and the waste chips generated by drilling are discharged into the chip removal bucket through the through holes in the base.

[0011] Preferably, the purge mechanism includes a second transmission shaft, an air pump, an exhaust pipe, an air hose and two groups of nozzles. The second transmission shaft is rotatably mounted on the reducer, the bottom end of the air pump is connected to the top end of the bracket, the exhaust pipe is mounted on the air pump, the air hose is mounted on the air pump, and the two groups of nozzles are mounted on the bottom end of the connecting plate and are connected to the inside of the air hose; the reducer drives the second transmission shaft to rotate, and the second transmission shaft drives the air pump to exhaust air. The air pump draws in outside air through the exhaust pipe, and delivers compressed air to the two groups of nozzles through the air hose. The two groups of nozzles purge the drilling rig and the plate to blow away the waste chips generated by drilling.

[0012] Preferably, the gas delivery hose is a spiral hose; the nozzle moves up and down following the connecting plate, and the gas delivery hose is spiral and can freely shrink and extend, thereby preventing the connecting plate from squeezing the gas delivery hose.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the plate is conveyed forward on the conveying mechanism, the positioning mechanism is started to position the left and right sides of the plate to prevent the plate from deviating, the drilling mechanism punches holes in the plate, and the fixing mechanism fixes the plate to ensure the stability of the plate during punching, and the blowing mechanism blows the drilling mechanism while drilling to blow away the waste chips generated by the drilling. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;

[0015] Figure 2 It is a front view structural diagram of the transmission mechanism of the utility model;

[0016] Figure 3 It is a schematic diagram of the cross-section axonometric structure of the positioning mechanism of the utility model;

[0017] Figure 4 It is a schematic diagram of the cross-section axonometric structure of the drilling mechanism of the utility model;

[0018] Figure 5It is a partially enlarged cross-sectional isometric structural schematic diagram of the fixing mechanism and the purge mechanism of the utility model;

[0019] Figure 6 It is a partially enlarged axonometric structural schematic diagram of the purge mechanism of the utility model.

[0020] Markings in the attached drawings: 01, conveying mechanism; 11, workbench; 12, conveying roller; 13, chip bucket; 02, positioning mechanism; 21, support table; 22, servo motor; 23, bidirectional screw; 24, slider; 25, guide wheel; 26, pulley; 27, belt; 03, drilling mechanism; 31, bracket; 32, motor; 33, reducer; 34, transmission shaft one; 35, reciprocating screw; 36, connecting plate; 37, drilling rig; 04, fixing mechanism; 41, telescopic rod; 42, spring; 43, pressure plate; 44, hydraulic cylinder; 45, base; 05, purge mechanism; 51, transmission shaft two; 52, air pump; 53, exhaust pipe; 54, air supply hose; 55, nozzle. DETAILED DESCRIPTION

[0021] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0022] Example 1

[0023] The utility model discloses a linear guide base drilling machine, comprising a conveying mechanism 01; a positioning mechanism 02, a drilling mechanism 03, a fixing mechanism 04 and a purging mechanism 05, wherein the positioning mechanism 02 is mounted on the conveying mechanism 01 and positions the plate, the drilling mechanism 03 is mounted on the conveying mechanism 01 and punches holes in the plate, the fixing mechanism 04 is mounted on the drilling mechanism 03 and fixes the plate, and the purging mechanism 05 is mounted on the drilling mechanism 03 and purges waste chips; the conveying mechanism 01 comprises a workbench 11, a plurality of groups of conveying rollers 12 and a chip removal bucket 13, the bottom end of the workbench 11 is connected to the ground, and the plurality of groups of conveying rollers 12 rotate The chip removal bucket 13 is installed on the workbench 11; the positioning mechanism 02 includes two groups of support tables 21, a servo motor 22, two groups of bidirectional lead screws 23, four groups of sliders 24, multiple groups of guide wheels 25, two groups of pulleys 26 and belts 27. The bottom ends of the two groups of support tables 21 are connected to the top of the workbench 11 and the two groups of support tables 21 are respectively installed on the front and rear sides of the drilling mechanism 03, the servo motor 22 is installed on one of the groups of support tables 21, the two groups of bidirectional lead screws 23 are respectively rotatably installed on the two groups of support tables 21, each group of bidirectional lead screws 23 is slidably installed on two groups of sliders 24, and each group of sliders 24 is rotatably installed on Equipped with multiple sets of guide wheels 25, pulleys 26 are installed on the bidirectional screw 23, and belts 27 are tensioned and installed on the two sets of pulleys 26; the drilling mechanism 03 includes two sets of brackets 31, a motor 32, two sets of reducers 33, a transmission shaft 34, two sets of reciprocating screws 35, a connecting plate 36 and a drilling rig 37, the bottom ends of the two sets of brackets 31 are connected to the top of the workbench 11, the bottom end of the motor 32 is connected to the top of the bracket 31, the bottom ends of the two sets of reducers 33 are respectively connected to the tops of the two sets of brackets 31, the transmission shaft 34 is rotatably installed on the two sets of reducers 33, and the two sets of reciprocating screws 35 are respectively installed on the two sets of brackets 31 and respectively It is longitudinally connected to the two groups of reducers 33, the connecting plate 36 is slidably installed on the two groups of reciprocating screws 35, and the drilling machine 37 is installed on the connecting plate 36; the fixing mechanism 04 includes four groups of telescopic rods 41, four groups of springs 42, two groups of pressure plates 43, four groups of hydraulic cylinders 44 and a base 45, the top ends of the four groups of telescopic rods 41 are connected to the bottom ends of the connecting plates 36, the four groups of springs 42 are respectively sleeved on the four groups of telescopic rods 41, the pressure plates 43 are installed at the bottom ends of the two groups of telescopic rods 41 located on the same side of the drilling machine 37, the four groups of hydraulic cylinders 44 are all installed on the workbench 11, the bottom end of the base 45 is connected to the top ends of the four groups of hydraulic cylinders 44, and a through hole is opened on the base 45;When it is working, first, the plate is placed on multiple sets of conveying rollers 12, and the multiple sets of conveying rollers 12 rotate to drive the plate forward, and the servo motor 22 is started. The servo motor 22 drives the bidirectional screw 23 connected thereto to rotate, and the bidirectional screw 23 drives the two sets of sliders 24 to slide toward each other, so that the multiple sets of guide wheels 25 clamp the plate, so that the plate is always located in the middle position of the workbench 11, and the guide wheels 25 are arranged to facilitate the plate to follow the multiple sets of conveying rollers 12 to be conveyed forward. At the same time, the bidirectional screw 23 drives the pulley 26 to rotate, and the pulley 26 drives another set of pulleys 26 and the bidirectional screw 23 to rotate through the belt 27, so that the plate is always located in the middle position of the workbench 11, and the motor 32 is started. The motor 32 drives the reducer 33 connected thereto to rotate, and the reducer 33 drives another set of reducers 33 to rotate through the transmission shaft 1 34. The two sets of reducers 33 simultaneously drive the two sets of reciprocating screws 35 to rotate, and the two The reciprocating screw 35 drives the connecting plate 36 to move downward, and the drilling machine 37 drills holes in the plate. After the connecting plate 36 moves to the lowest end, it starts to move upward, and then the plate moves forward. When the connecting plate 36 moves to the top, it moves downward again, and the drilling machine 37 drills holes in the plate again. Through debugging, the two sets of drilling holes are spaced at a suitable distance. The connecting plate 36 drives the four sets of telescopic rods 41 and springs 42 to descend, so that the two sets of pressing plates 43 squeeze the plate to fix the plate. The connecting plate 36 continues to descend and compress the telescopic rods 41 and springs 42, which enhances the fixation of the plate and facilitates the fixing of the plate by the drilling machine 37. At the same time, the hydraulic cylinder 44 lifts the base 45 and cooperates with the pressing plate 43 to fix the plate. The waste chips generated by drilling holes are discharged into the chip removal bucket 13 through the through holes of the base 45. A trash can is placed at the bottom of the chip removal bucket 13. The waste chips generated after drilling holes in the plate fall into the trash can through the chip removal bucket 13 for collection.

[0024] Example 2

[0025] like Figures 1 to 6As shown, a linear guide base drilling machine of the utility model is based on Example 1; the purge mechanism 05 includes a transmission shaft 2 51, an air pump 52, an air extraction pipe 53, an air delivery hose 54 and two groups of nozzles 55, the transmission shaft 2 51 is rotatably mounted on the reducer 33, the bottom end of the air pump 52 is connected to the top end of the bracket 31, the air extraction pipe 53 is mounted on the air pump 52, the air delivery hose 54 is mounted on the air pump 52, the two groups of nozzles 55 are both mounted on the bottom end of the connecting plate 36 and are both connected to the inside of the air delivery hose 54; the air delivery hose 54 is also a spiral hose; when it is working, first place the plate on multiple groups of conveying rollers 12, the multiple groups of conveying rollers 12 rotate to drive the plate forward, start the servo motor 22, and the servo motor The machine 22 drives the bidirectional lead screw 23 connected thereto to rotate, and the bidirectional lead screw 23 drives the two sets of sliders 24 to slide toward each other, so that the multiple sets of guide wheels 25 clamp the plate, so that the plate is always located in the middle position of the workbench 11, and the guide wheels 25 are provided to facilitate the plate to follow the multiple sets of conveying rollers 12 to be conveyed forward, and at the same time, the bidirectional lead screw 23 drives the pulley 26 to rotate, and the pulley 26 drives another set of pulleys 26 and the bidirectional lead screw 23 to rotate through the belt 27, so that the plate is always located in the middle position of the workbench 11, and the motor 32 is started, and the motor 32 drives the reducer 33 connected thereto to rotate, and the reducer 33 drives another set of reducers 33 to rotate through the transmission shaft 1 34, and the two sets of reducers 33 simultaneously drive the two sets of reciprocating The lead screw 35 rotates, and the two sets of reciprocating lead screws 35 drive the connecting plate 36 to move downward, and the drilling machine 37 drills holes in the plate. After the connecting plate 36 moves to the lowest end, it starts to move upward, and then the plate moves forward. When the connecting plate 36 moves to the top, it moves downward again, and the drilling machine 37 drills holes in the plate again. Through debugging, the two sets of drilling holes are spaced at a suitable distance. The connecting plate 36 drives the four sets of telescopic rods 41 and springs 42 to descend, so that the two sets of pressing plates 43 squeeze the plate to fix the plate. The connecting plate 36 continues to descend to compress the telescopic rods 41 and springs 42, which enhances the fixation of the plate and facilitates the fixing of the plate by the drilling machine 37. At the same time, the hydraulic cylinder 44 lifts the base 45 and cooperates with the pressing plate 43 to fix the plate The reducer 33 drives the transmission shaft 2 51 to rotate, and the transmission shaft 2 51 drives the air pump 52 to extract air. The air pump 52 draws in outside air through the exhaust pipe 53, and transmits the compressed air to the two groups of nozzles 55 through the air hose 54. The two groups of nozzles 55 purge the drilling rig 37 and the plate to blow away the waste chips generated by drilling. The waste chips generated by drilling are discharged into the chip removal bucket 13 through the through holes of the base 45. A trash can is placed at the bottom of the chip removal bucket 13. The waste chips generated after drilling the plate fall into the trash can through the chip removal bucket 13 for collection. The nozzle 55 moves up and down with the connecting plate 36. The air hose 54 is spiral and can be freely contracted and extended, which prevents the connecting plate 36 from squeezing the air hose 54.

[0026] The servo motor 22, the electric motor 32, the reducer 33 and the air pump 52 of the utility model are purchased on the market, and the technicians in the industry only need to install and operate them according to the accompanying instruction manuals, without the need for the technicians in this field to make creative efforts.

[0027] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A linear guide base drilling machine, comprising a transmission mechanism (01); characterized in that: The invention also comprises a positioning mechanism (02), a drilling mechanism (03), a fixing mechanism (04) and a purging mechanism (05); the positioning mechanism (02) is mounted on the conveying mechanism (01) and is used to position the plate; the drilling mechanism (03) is mounted on the conveying mechanism (01) and is used to drill holes in the plate; the fixing mechanism (04) is mounted on the drilling mechanism (03) and is used to fix the plate; and the purging mechanism (05) is mounted on the drilling mechanism (03) and is used to purge waste chips.

2. A linear guide base drilling machine as claimed in claim 1, characterized in that: The conveying mechanism (01) comprises a workbench (11), a plurality of groups of conveying rollers (12) and a chip removal bucket (13); the bottom end of the workbench (11) is connected to the ground; the plurality of groups of conveying rollers (12) are rotatably mounted on the workbench (11); and the chip removal bucket (13) is mounted on the workbench (11).

3. A linear guide base drilling machine as claimed in claim 2, characterized in that: The positioning mechanism (02) comprises two groups of support platforms (21), a servo motor (22), two groups of bidirectional lead screws (23), four groups of sliders (24), multiple groups of guide wheels (25), two groups of pulleys (26) and a belt (27). The bottom ends of the two groups of support platforms (21) are connected to the top end of the workbench (11) and the two groups of support platforms (21) are respectively installed on the front and rear sides of the drilling mechanism (03). The servo motor (22) is installed on one of the groups of support platforms (21). The two groups of bidirectional lead screws (23) are respectively rotatably installed on the two groups of support platforms (21). Two groups of sliders (24) are slidably installed on each group of bidirectional lead screws (23). Multiple groups of guide wheels (25) are rotatably installed on each group of sliders (24). The pulleys (26) are installed on the bidirectional lead screws (23). The belts (27) are tensioned and installed on the two groups of pulleys (26).

4. A linear guide base drilling machine as claimed in claim 2, characterized in that: The drilling mechanism (03) comprises two groups of brackets (31), a motor (32), two groups of reducers (33), a transmission shaft (34), two groups of reciprocating screws (35), a connecting plate (36) and a drilling machine (37). The bottom ends of the two groups of brackets (31) are connected to the top end of the workbench (11), the bottom ends of the motor (32) are connected to the top end of the bracket (31), the bottom ends of the two groups of reducers (33) are respectively connected to the top ends of the two groups of brackets (31), the transmission shaft (34) is rotatably mounted on the two groups of reducers (33), the two groups of reciprocating screws (35) are respectively mounted on the two groups of brackets (31) and are respectively longitudinally connected to the two groups of reducers (33), the connecting plate (36) is slidably mounted on the two groups of reciprocating screws (35), and the drilling machine (37) is mounted on the connecting plate (36).

5. A linear guide base drilling machine as claimed in claim 4, characterized in that: The fixing mechanism (04) comprises four groups of telescopic rods (41), four groups of springs (42), two groups of pressure plates (43), four groups of hydraulic cylinders (44) and a base (45). The top ends of the four groups of telescopic rods (41) are connected to the bottom end of the connecting plate (36). The four groups of springs (42) are respectively mounted on the four groups of telescopic rods (41). The pressure plates (43) are mounted on the bottom ends of the two groups of telescopic rods (41) located on the same side of the drilling rig (37). The four groups of hydraulic cylinders (44) are all mounted on the workbench (11). The bottom end of the base (45) is connected to the top ends of the four groups of hydraulic cylinders (44). A through hole is opened on the base (45).

6. A linear guide base drilling machine as claimed in claim 4, characterized in that: The purge mechanism (05) comprises a second transmission shaft (51), an air pump (52), an air extraction pipe (53), an air delivery hose (54) and two groups of nozzles (55). The second transmission shaft (51) is rotatably mounted on the reducer (33). The bottom end of the air pump (52) is connected to the top end of the bracket (31). The air extraction pipe (53) is mounted on the air pump (52). The air delivery hose (54) is mounted on the air pump (52). The two groups of nozzles (55) are both mounted on the bottom end of the connecting plate (36) and are both connected to the inside of the air delivery hose (54).

7. A linear guide base drilling machine as claimed in claim 6, characterized in that: The gas delivery hose (54) is also a spiral hose.

Citation Information

Patent Citations

  • Automatic multi-station drilling machine for linear guide rail

    CN209394022U