CN216298000U

CN216298000U - Automatic drilling machine

Info

Publication number: CN216298000U
Application number: CN202122765154.8U
Authority: CN
Inventors: 何齐华
Original assignee: Shenzhen Huayuan Hongda Machinery Co ltd
Current assignee: Shenzhen Huayuan Hongda Machinery Co ltd
Priority date: 2020-12-24
Filing date: 2021-11-12
Publication date: 2022-04-15
Anticipated expiration: 2031-11-12

Abstract

The utility model provides an automatic drilling machine which comprises a rack, wherein a clamp rotating assembly is arranged in the middle of the rack, drilling assemblies are symmetrically arranged on two sides of the clamp rotating assembly respectively, a PLC (programmable logic controller) control box is arranged on one side of the rack, which is far away from the drilling assemblies, a human-computer interface touch screen is arranged on one side of the upper end of the PLC control box, a bending type working lamp is arranged in the middle of the upper end of the PLC control box, the drilling assemblies comprise a stepping motor and an electric spindle, and a drill bit is arranged on one side of the electric spindle, which is close to the clamp rotating assembly. This technical scheme, it can effectively solve current drilling machine degree of automation not high, intelligent accurate control degree low technical problem.

Description

Automatic drilling machine

Technical Field

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

Background

When carrying out drilling to the watchband earhole, watchband, hardware and will use the drilling machine man-hour, add man-hour when adding man-hour to the watchband that traditional equipment mostly only has several fixed rotational speed, can not require the suitable rotational speed of adjustment according to different materials, when having processed a drilling, when carrying out the drilling of next turnover face, need manual rotation product drilling direction, inefficiency, the cost of labor is big, consequently design an automatic intelligent control system's of automation accurate automatic drilling machine, has very strong practicality.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide an automatic drilling machine and aims to solve the technical problems that an existing drilling machine is low in automation degree and low in intelligent and accurate control degree.

In order to achieve the purpose, the utility model provides an automatic drilling machine, which comprises a rack, a clamp rotating assembly for rotating a clamp, a drilling assembly for drilling and a PLC (programmable logic controller) control box for controlling the clamp rotating assembly and the drilling assembly, wherein the clamp rotating assembly is arranged in the middle of the rack, the drilling assemblies are symmetrically arranged on two sides of the clamp rotating assembly respectively, the PLC control box is arranged at the upper end of the rack, a human-computer interface touch screen is arranged on one side of the upper end of the PLC control box, the drilling assembly comprises a stepping motor and an electric spindle, the stepping motor is in driving connection with the electric spindle, a drill bit is arranged on one side of the electric spindle close to the clamp rotating assembly, the clamp rotating assembly comprises a driving cylinder, a bar gear, a gear shaft and a mounting frame, the driving cylinder is in driving connection with the bar gear, the mounting frame is provided with a circular cavity, the bar gear is slidably mounted in the circular cavity of the mounting frame, the gear shaft is rotatably mounted in the circular cavity of the mounting frame, the bar gear is vertically connected to the middle position of the gear shaft, the bar gear is meshed with the gear shaft, a product clamp is arranged on one side of the upper end of the gear shaft, the clamp rotating assembly further comprises a circular gear positioning block, a gear positioning block fastening ring is sleeved on the gear shaft and positioned between the bar gear and the product clamp, a rectangular bulge is arranged on one side of the gear positioning block, two positioning bolts are symmetrically arranged on the left side and the right side of the circular cavity of the mounting frame, which are close to the gear positioning block, the rectangular bulge is matched with the positioning bolts, and the gear positioning block is used for limiting the rotation angle of the gear shaft between the two positioning bolts, the rotation angle of the gear shaft is 180 degrees.

Preferably, still include the cooling subassembly, the cooling subassembly includes the coolant liquid case, the coolant liquid case install in the frame, coolant liquid case upper end is equipped with the suction pump, the suction pump upper end is equipped with condenser tube, condenser tube keeps away from the one end of suction pump and is provided with two outlet pipes, the outlet pipe runs through the frame, condenser tube is kept away from to the outlet pipe one end is located the upper end of drill bit.

Preferably, a water level display meter is arranged on one side of the outer surface of the cooling liquid tank.

Preferably, a bending type working lamp is arranged in the middle of the upper end of the PLC control box and corresponds to the clamp rotating assembly.

Preferably, still including the subassembly that compresses tightly that is used for compressing tightly product anchor clamps, compress tightly the subassembly and be located product anchor clamps's upper end, compress tightly the subassembly including driving actuating cylinder, cylinder mount and plastic briquetting, it installs perpendicularly to drive actuating cylinder on the cylinder mount, the output fastening connection who drives actuating cylinder plastic briquetting.

By adopting the technical scheme, the utility model has the beneficial effects that:

1, two drilling assemblies are arranged on one machine, 180-degree rotation of a product clamp is realized through a clamp rotating assembly, four earholes can be completed at one time, secondary machine adjustment is not needed, and the uniformity of reference positions is guaranteed.

2: the drilling depth is changed into automatic control, the PLC is controlled through a human-computer interface to realize machine intelligent control, and the drilling depth is controlled more accurately.

3: the drilling assembly comprises the electric spindle, and the electric spindle has the characteristics of high power, small vibration, small inertia, high efficiency, low noise and the like, so that the machining precision and the machine stability are greatly improved, and the noise in production and machining is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an automatic drilling machine according to an embodiment of the present invention.

Fig. 2 is a front view of an automatic drilling machine according to an embodiment of the present invention.

Fig. 3 is a left side view of an automatic drilling machine according to an embodiment of the present invention.

Fig. 4 is a cross-sectional view of a chuck rotating assembly of an automatic drilling machine according to an embodiment of the present invention.

Fig. 5 is an exploded view of a chuck rotating assembly of an automatic drilling machine according to an embodiment of the present invention.

In the figure: 1. a frame; 2. a clamp rotation assembly; 3. a drilling assembly; 4. a PLC control box; 5. a human-machine interface touch screen; 6. a bending type working lamp; 7. a cooling assembly; 8. a compression assembly; 22. a bar gear; 23. a gear shaft; 24. a product clamp; 25. a gear positioning block; 26. a mounting frame; 27. a mounting bracket circular cavity; 28. a rectangular protrusion; 29. positioning the bolt; 31. an electric spindle; 32. a drill bit; 71. a coolant tank; 72. a water pump; 73. a cooling water pipe; 74. a water outlet pipe; 75. a water level display meter; 81. a driving cylinder; 82. a cylinder fixing frame; 83. and (4) pressing the plastic rubber into blocks.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 and 2, an embodiment of the utility model provides an automatic drilling machine, which comprises a frame (1), a clamp rotating assembly (2) is arranged in the middle of the frame (1), drilling assemblies (3) are respectively and symmetrically arranged on two sides of the clamp rotating assembly (2), a PLC control box (4) is arranged on one side of the frame (1) far away from the drilling assemblies (3), a human-computer interface touch screen (5) is arranged on one side of the upper end of the PLC control box (4), the drilling assemblies (3) comprise stepping motors and electric spindles (31), the stepping motors are in driving connection with the electric spindles (31), drill bits (32) are arranged on one side of the electric spindles (31) close to the clamp rotating assembly (2), a power main switch is firstly switched on to turn on a power supply, a PLC system and a lighting lamp are started, processing parameters are set through a human-computer interface, a machine starting switch is pressed down to start the electric spindles and the stepping motors, the drilling component (3) is controlled to drill holes on the product through the PLC control box (4).

As shown in fig. 4, the clamp rotating assembly (2) comprises a driving cylinder (not shown), a bar gear (22), a gear shaft (23) and a mounting rack (26), the driving cylinder is connected with the bar gear (22) in a driving manner, the mounting rack (26) is provided with a mounting rack circular cavity (27), the bar gear (22) is slidably mounted in the mounting rack circular cavity (27), the gear shaft (23) is rotatably mounted in the mounting rack circular cavity (27), the bar gear (22) is vertically connected to the middle position of the gear shaft (23), the bar gear (22) is meshed with the gear shaft (23), a product clamp (24) is arranged on one side of the upper end of the gear shaft (23), the driving cylinder drives the bar gear (22) to move on the horizontal position, the bar gear (22) is vertically connected with the gear shaft (23), the bar gear (22) drives the gear shaft (23) to rotate, the product clamp (24) at the upper end of the gear shaft (23) can rotate along with the gear shaft (23).

As shown in fig. 4 and 5, the fixture rotating assembly further includes a gear positioning block (25), the gear positioning block (25) is in a ring shape, the gear positioning block (25) is sleeved on the gear shaft (23) in a ring shape, the gear positioning block (25) is located between the bar gear (22) and the product fixture (24), one side of the gear positioning block (25) is provided with a rectangular protrusion (28) in which a circular cavity (26) is formed, the circular cavity (26) is matched with the gear shaft (23), two positioning bolts (29) are symmetrically arranged on two sides of the gear positioning block (25), two positioning bolts (29) are symmetrically arranged in the circular cavity (26) of the mounting bracket near to the left side and the right side of the gear positioning block (25), the rectangular protrusion (28) is matched with the positioning bolts (29), and the gear positioning block (25) is used for limiting the rotation angle of the gear shaft (23) between the two positioning bolts (29), the rotation angle of the gear shaft (23) is 180 degrees, the rotation angle of the gear shaft (23) is 180 degrees by setting the stroke of the driving cylinder (21), and the rotation angle of the gear positioning block (25) matched with the gear shaft (23) is more accurate because the stroke of the driving cylinder (21) cannot be accurately positioned.

As shown in fig. 2, the automatic drilling machine provided by the utility model further comprises a cooling assembly (7), the cooling assembly (7) comprises a cooling liquid tank (71), the cooling liquid tank (71) is installed in the rack (1), a water suction pump (72) is arranged at the upper end of the cooling liquid tank (71), a cooling water pipe (73) is arranged at the upper end of the water suction pump (72), two water outlet pipes (74) are arranged at one ends of the cooling water pipes (73) far away from the water suction pump (72), the water outlet pipes (74) penetrate through the rack (1), one ends of the water outlet pipes (74) far away from the cooling water pipe (73) are positioned at the upper end of the drill bit (32), a water level display meter (75) is arranged on one side of the outer surface of the cooling liquid tank (71), the cooling assembly (7) is arranged in the supporting workbench (1), water is pumped into the cooling water pipe (73) through the water suction pump (72), the two water outlet pipes (74) are connected at the upper end of the cooling water pipe (73), and the two water outlet pipes (74) are respectively used for cooling the drilling assembly (3), the water level display gauge (75) can display the water level of the coolant tank (71).

As shown in fig. 2 and 3, a bending type working lamp (6) is arranged in the middle of the upper end of the PLC control box (4), the bending type working lamp (6) is positioned at the upper end of the clamp rotating assembly (2),

as shown in fig. 1, the product clamp pressing device further comprises a pressing assembly (8) used for pressing the product clamp, the pressing assembly is located at the upper end of the product clamp (24), the pressing assembly (8) comprises a driving cylinder (81), a cylinder fixing frame (82) and a plastic pressing block (83), the driving cylinder (81) is vertically installed on the cylinder fixing frame (82), and the output end of the driving cylinder (81) is fixedly connected with the plastic pressing block (83).

The automatic drilling machine provided by the embodiment comprises a rack, wherein a clamp rotating assembly is arranged in the middle of the rack, drilling assemblies are symmetrically arranged on two sides of the clamp rotating assembly respectively, a PLC (programmable logic controller) control box is arranged on one side of the rack away from the drilling assemblies, a human-computer interface touch screen is arranged on one side of the upper end of the PLC control box, a bending type working lamp is arranged in the middle of the upper end of the PLC control box and is positioned at the upper end of the clamp rotating assembly, the drilling assembly comprises a stepping motor and an electric spindle, the output end of the stepping motor is in driving connection with the electric spindle, and a drill bit is arranged on one side of the electric spindle, which is close to the clamp rotating assembly; two drilling assemblies are arranged on one machine, and 180-degree rotation of a product clamp is realized through a clamp rotating assembly, so that four ear holes can be completed at one time without secondary machine adjustment, and the uniformity of reference positions is ensured; the drilling depth is automatically controlled, and the intelligent control of the machine is realized by controlling a PLC (programmable logic controller) through a human-computer interface, so that the drilling depth is more easily and accurately controlled; the drilling assembly comprises the electric spindle, and the electric spindle has the characteristics of high power, small vibration, small inertia, high efficiency, low noise and the like, so that the machining precision and the machine stability are greatly improved, and the noise in production and machining is reduced. Therefore, according to the technical scheme, the technical problems that the existing drilling machine is low in automation degree and low in intelligent and accurate control degree can be effectively solved.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, and the scope of protection is still within the scope of the utility model.

Claims

1. An automatic drilling machine is characterized by comprising a rack, a clamp rotating assembly used for rotating a clamp, a drilling assembly used for drilling and a PLC (programmable logic controller) control box used for controlling the clamp rotating assembly and the drilling assembly, wherein the clamp rotating assembly is arranged at the middle position of the rack, the drilling assembly is respectively and symmetrically installed on two sides of the clamp rotating assembly, the PLC control box is arranged at the upper end of the rack, a human-computer interface touch screen is arranged on one side of the upper end of the PLC control box, the drilling assembly comprises a stepping motor and an electric spindle, the stepping motor is in driving connection with the electric spindle, a drill bit is arranged on one side of the electric spindle close to the clamp rotating assembly, the clamp rotating assembly comprises a driving cylinder, a bar gear, a gear shaft and a mounting rack, the driving cylinder is in driving connection with the bar gear, the mounting rack is provided with a circular cavity, the bar gear is slidably mounted in the circular cavity of the mounting frame, the gear shaft is rotatably mounted in the circular cavity of the mounting frame, the bar gear is vertically connected to the middle position of the gear shaft, the bar gear is meshed with the gear shaft, a product clamp is arranged on one side of the upper end of the gear shaft, the clamp rotating assembly further comprises a circular gear positioning block, a gear positioning block fastening ring is sleeved on the gear shaft and positioned between the bar gear and the product clamp, a rectangular bulge is arranged on one side of the gear positioning block, two positioning bolts are symmetrically arranged on the left side and the right side of the circular cavity of the mounting frame, which are close to the gear positioning block, the rectangular bulge is matched with the positioning bolts, and the gear positioning block is used for limiting the rotation angle of the gear shaft between the two positioning bolts, the rotation angle of the gear shaft is 180 degrees.

2. The automatic drilling machine according to claim 1, further comprising a cooling assembly, wherein the cooling assembly comprises a cooling liquid tank, the cooling liquid tank is mounted in the machine frame, a water suction pump is arranged at the upper end of the cooling liquid tank, a cooling water pipe is arranged at the upper end of the water suction pump, two water outlet pipes are arranged at one end, away from the water suction pump, of the cooling water pipe, and one end, away from the cooling water pipe, of the water outlet pipe is located at the upper end of the drill bit.

3. The automatic drilling machine according to claim 2, wherein a water level indicator is provided on an outer surface side of the coolant tank.

4. The automatic drilling machine according to claim 1, wherein a bent work lamp is arranged at a middle position of the upper end of the PLC control box, and the bent work lamp corresponds to the clamp rotating assembly.

5. The automatic drilling machine according to claim 1, further comprising a pressing assembly for pressing a product clamp, wherein the pressing assembly is located at the upper end of the product clamp, the pressing assembly comprises a driving cylinder, a cylinder fixing frame and a plastic press block, the driving cylinder is vertically installed on the cylinder fixing frame, and the output end of the driving cylinder is fixedly connected with the plastic press block.