CN204603782U - Multi-station semi-automatic drilling tapping machine - Google Patents

Abstract

The utility model relates to the field of mechanical processing, in particular to a multi-station semi-automatic drilling and tapping machine. A multi-station semi-automatic drilling and tapping machine, including a main motor, a frame, a drilling and tapping device, a workpiece fixture, a fast up and down oil cylinder, and a fast forward and backward oil cylinder; the main motor controls the up and down movement of the fast up and down oil cylinder to drive the drill The hole tapping device moves up and down; controls the rapid forward and backward oil cylinder to move forward and backward, and drives the drilling and tapping device to move forward and backward; the frame includes the first and second fixing seats and the turntable, and the second fixing seat is fixed on the Above the first fixed seat, the turntable is arranged above the first fixed seat; the workpiece fixture is arranged on the turntable, and the turntable rotates along the central axis of the first fixed seat. The utility model realizes automatic drilling and tapping by driving the hydraulic oil cylinder and the mechanical cam to control the movement of the drill bit and the turntable. A station is reserved, which is not equipped with a drill bit, which is convenient for operators to load and unload.

Description

Multi-station semi-automatic drilling and tapping machine

technical field

The utility model relates to the field of mechanical processing, in particular to a multi-station semi-automatic drilling and tapping machine.

Background technique

At present, in the field of machinery, drilling and tapping require two steps to complete. In the process of drilling and tapping, different machines and cutter heads are required to be completed step by step. Replacing machines and cutter heads is time-consuming, laborious, and inefficient; Moreover, only drilling or single tapping can be performed each time. In order to ensure the correct hole spacing when drilling, special tooling fixtures are required. Different hole spacing requires different tooling, which has low efficiency and high production costs. The operator completes the feeding manually, and then controls the processing machine to work, resulting in high labor intensity for the operator, time-consuming and labor-intensive operation, and low work efficiency. Today, labor costs are rising day by day, resulting in a substantial increase in production costs. At the same time, due to the need to replace different machines, cutter heads and fixing fixtures of workpieces to be processed, a series of processing tolerances in the process may easily cause skewing during tapping, subsequent assembly cannot be performed, and secondary maintenance or scrapping is required, which further improves the Cost of production.

Utility model content

In view of the above prior art, the purpose of this utility model is to provide a multi-station semi-automatic drilling and tapping machine, which can perform drilling and tapping at the same time, manually load and unload, and then control the drilling through hydraulic transmission and cam. Hole and tapping action, improve production efficiency. To achieve this purpose, the utility model adopts the following technical solutions:

A multi-station semi-automatic drilling and tapping machine, including a main motor, an oil cylinder, a frame, a drilling and tapping device, and a workpiece fixture. The oil cylinder includes a fast up and down oil cylinder, and a fast forward and backward oil cylinder; The oil cylinder moves up and down, and the oil cylinder moves forward and backward quickly, so that the drilling and tapping device can quickly move to the set position in the front and rear directions and the up and down directions; the frame includes a first fixing seat, at least two second fixing seats seat and at least two turntables, the second fixed seat is fixed above the first fixed seat, and the turntable is arranged above the first fixed seat; there are at least two drilling and tapping devices, the Each drilling and tapping device includes a drill bit control motor and a drill bit; the number of the workpiece holder is equal to that of the turntable, and they are respectively arranged on each turntable, and the turntable rotates along the central axis of the first fixed seat . The main motor drives the fast up and down oil cylinder and the fast forward and backward oil cylinder, and then controls the up and down and back and forth movement of the drilling and tapping device. The turntable rotates around the central axis of the motor to realize the conversion of the station, thereby realizing automatic drilling and tapping.

Further, the number of the turntable station is one more than the number of the second fixed seat. Compared with the number of turntables, the number of fixed seats is one less, and an empty station is reserved, which is convenient for operators to load and unload.

Further, it also includes a limit adjustment assembly connected with the fast up and down oil cylinder, which is used to adjust the up and down displacement of the drilling and tapping device, and the number of the limit adjustment assembly is the same as that of the fast up and down oil cylinder. Quantities match. Adjust the depth of the fast up and down cylinder through the limit adjustment assembly to avoid the problem of insufficient drilling or too deep drilling.

Further, it also includes at least two feed assembly devices, the number of the feed assembly devices matches the turntable, and the feed assembly devices include a feed motor, a cam, a feed bus, The feed spindle, the feed motor drives the cam to rotate, and the cam drives the feed spindle to move up and down; the first fixed seat and the turntable are provided with holes, and the feed assembly device is arranged on the Below the first fixed seat, the feed spindle is connected through the first fixed seat, the turntable and the workpiece fixture; the feed bus is connected to the first fixed seat. The feed motor drives the cam, the cam drives the feed spindle, and the feed spindle drives the workpiece fixture to move up and down. The up and down movement of the workpiece fixture cooperates with the up and down movement of the fast up and down oil cylinder to complete a drilling process.

Further, the feed assembly device further includes a fine adjustment rod, and the fine adjustment rod connects the feed spindle and the workpiece fixture. Make fine adjustments to the infeed depth of the workholding.

Further, it also includes a turntable control device, the turntable control device includes a turntable motor, a turntable gear bus, and a main shaft, the turntable motor is connected to the turntable gear bus, the turntable gear bus is connected to a main shaft, and the main shaft is connected to the turntable. The rotation speed of the turntable is controlled by the motor to match the up and down movement and forward movement of the drill bit.

Further, the turntable control device further includes a positioning pull rod, and the positioning pull rod is fixedly connected to the first fixing base. The positioning pull rod facilitates fixing the turntable control device on the first fixing seat.

Further, a turntable positioning device is also included, and the turntable positioning device is connected to the fast forward and backward oil cylinder and the turntable. The turntable positioning device is used to control whether the turntable and the drill bit are aligned in the front-back direction.

Further, the drill bit connection is provided with a time relay, and the time relay is used to control the forward and reverse rotation of the drill bit. During the tapping process, if the tapping is to exit smoothly, the running direction of the motor needs to be opposite to the original running direction, and the forward and reverse rotation of the motor is controlled by the time relay.

Compared with the prior art, the utility model has beneficial effects: (1) The utility model realizes automatic drilling and tapping through the motor driving the hydraulic cylinder and the mechanical cam to control the movement of the drill bit and the turntable; (2) by setting multiple Replaceable drill bit, after the drilling station is completed, it will automatically switch to the tapping drill bit, and the tapping bit is equipped with a time relay to control the tapping exit; (3) By reserving a station, the station does not have a drill bit, which is convenient The operator loads and unloads materials.

Description of drawings

Fig. 1 is the top view of the utility model first embodiment;

Fig. 2 is the schematic diagram when one of the rotating disks of the utility model works;

Fig. 3 is a schematic cross-sectional view of an enlarged structure at Fig. 1A;

Fig. 4 is a schematic diagram of the drilling trajectory shown in Fig. 3;

Fig. 5 is a schematic diagram of the gear transmission ratio in the turntable control device;

In the figure, 1-main motor, 2-oil cylinder, 21-fast up and down oil cylinder, 22-fast forward and backward oil cylinder, 3-frame, 31-first fixed seat, 32-second fixed seat, 33-turntable, 331- Turntable station, 4-drilling and tapping device, 41-drill bit control motor, 42-drill bit, 43-time relay, 5-workpiece fixture, 6-feeding assembly device, 61-feeding motor, 62-cam, 63-feeding bus, 64-feeding spindle, 65-trimming rod, 7-turntable control device, 71-turntable motor, 72-turntable gear bus, 73-spindle, 74-positioning rod, 8-limit adjustment assembly , 9-turntable positioning device, 10-workpiece.

Detailed ways

Below in conjunction with embodiment and accompanying drawing, the utility model is further described.

The working process of the utility model is as follows: turn on the power; turn on the main motor, dial in the semi-automatic state; press the switch of the turntable positioning device, the turntable positioning ends; multiple drilling and tapping heads advance quickly, and the limit assembly The device starts to work, and the fast downward movement ends. During this process, the drill control motor is turned on, the feed motor is turned on, the feed motor is turned off, the main motor is not turned off, and a certain pressure is maintained; after the tapping motor is started, it is reversed by the time relay control ;(Multiple drilling and tapping heads can move up and down and back and forth); fast up end; fast back end; fast down, dipped in coolant; fast up, end; next action starts cycle.

As shown in FIG. 1 , in the embodiments, nine stations are taken as an example for description.

Example 1

A multi-station semi-automatic drilling and tapping machine, including a main motor 1, an oil cylinder 2, a frame 3, a drilling and tapping device 4, and a workpiece fixture 5. The oil cylinder 2 includes a fast up and down oil cylinder 21, and a fast forward and backward oil cylinder 22 ;

The main motor 1 controls the fast up and down cylinder 21 to move up and down, and controls the fast forward and backward cylinder 22 to move forward and backward, so that the drilling and tapping device 4 is quickly displaced to the set position in the front and back direction and the up and down direction;

Described frame 3 comprises first fixed seat 31, eight second fixed seats 32 and nine turntable stations 331, and described turntable station 331 is evenly arranged on the top of turntable 33 along the circumference, and on each turntable station 331 A workpiece fixture 5 is set, and the second fixed seat 32 is fixed above the first fixed seat 31 along the circumferential direction, the second fixed seat 32 is located on the same level as the rotating disk 33, and eight second fixed seats The seat 32 corresponds to the eight turntable stations 331, and an idle turntable station is reserved to facilitate loading and unloading of the operator; the turntable 33 rotates along the central axis of the first fixed seat 31; the drilling tap There are eight wire devices 4, each of the drilling and tapping devices 4 includes a drill bit work starter motor 41, a drill bit 42, and the rotating disk 33 rotates along the central axis of the first fixed seat 31.

Wherein, the eight fast up and down oil cylinders 21 are all connected to the limit adjustment assembly 8 for adjusting the up and down displacement of the drilling and tapping device 4 .

Wherein, the bottom of the first fixed seat 31 is provided with eight feed assembly devices 6, and the described feed assembly device 6 includes a feed motor 61, a cam 62, a feed bus 63, a feed spindle 64, a fine-tuning Rod 65, the feed motor 61 drives the cam 62 to rotate, the cam 62 drives the feed spindle 64 to move up and down, and the feed spindle 64 drives the fine-tuning rod 65 to move up and down; the first fixed seat 31, the turntable 33 Holes are all provided, and the feed spindle 64 passes through the first fixed seat 31 and is connected with the fine-tuning rod 65, and the fine-tuning rod 65 passes through the turntable 33 and is connected with the workpiece fixture 5; the feed bus 63 Connect the first fixing base 31 .

Wherein, the turntable 33 is controlled by the turntable control device 7, and the turntable control device 7 includes a turntable motor 71, a turntable gear bus 72, a main shaft 73, and a positioning pull rod 74, and the turntable motor 71 is connected to the turntable gear bus 72, and the turntable gear bus 72 is connected with a main shaft 73 , and the main shaft 73 is connected with the turntable 33 .

The turntable control device 7 also includes positioning pull rods 74 , and there are three positioning pull rods 74 , all of which are fixedly connected to the first fixed seat 31 .

Wherein, the turntable is connected with three turntable positioning devices 9 , and the turntable positioning devices 9 connect the fast forward and backward oil cylinder 22 and the turntable 3 .

In this embodiment, the multi-station semi-automatic drilling and tapping devices are all used for drilling.

Example 2

The difference between this embodiment and Embodiment 1 is that the multi-station semi-automatic drilling and tapping device is used for tapping, and the drills 42 passing through the drilling and tapping device 4 are all tapping drills, and the drills 42 are connected to A time relay 43 is set, and the time relay 43 is used to control the forward and reverse rotation of the drill bit 42. After the drill bit 42 taps, the time relay 43 controls the drill bit 42 to rotate in the opposite direction and withdraw from tapping.

Example 3

Different from Embodiment 1, in this embodiment, the multi-station semi-automatic drilling and tapping device is used for simultaneous drilling and tapping, four drill bits 42 are used for drilling, and four drill bits 42 are used for drilling, The drill bit 42 used for drilling is respectively connected to the time relay 43, and the time relay 43 is used to control the forward and reverse rotation of the drill bit 42. After the drilling bit 42 is tapped, the time relay 43 controls the drill bit 42 to rotate in the opposite direction and exit the tapping. .

As shown in Figure 5, in the utility model, the number of stations is determined according to the transmission ratio of the gears.

Finally, it should be noted that: the above embodiments are only used to illustrate the utility model rather than limit the technical solution described in the utility model; therefore, although the description has described the utility model in detail with reference to the above-mentioned various embodiments, Those of ordinary skill in the art should understand that the utility model can still be modified or equivalently replaced; and all technical solutions and improvements that do not depart from the spirit and scope of the utility model should be covered by the claims of the utility model in range.

Claims (9)

1. A multi-station semi-automatic drilling and tapping machine, comprising a main motor (1), an oil cylinder (2), a frame (3), a drilling and tapping device (4), and a workpiece fixture (5), characterized in that : The oil cylinder (2) includes a fast up and down oil cylinder (21), a fast forward and backward oil cylinder (22); The main motor (1) controls the up and down motion of the fast up and down oil cylinder (21), and controls the forward and backward motion of the fast forward and reverse oil cylinder (22), so that the drilling and tapping device (4) is quickly displaced to set position; The frame (3) includes a first fixed seat (31), at least two second fixed seats (32) and a turntable (33), and the turntable (33) is provided with at least two turntable stations (331) , the second fixed seat (32) is fixed above the first fixed seat (31), and the turntable (33) is arranged above the first fixed seat (31); There are at least two drilling and tapping devices (4), and each drilling and tapping device (4) includes a drill bit control motor (41) and a drill bit (42); The number of the workpiece fixture (5) and the turntable station (331) are equal, and they are respectively arranged on the turntable station (331), and the turntable (33) is arranged along the center of the first fixed seat (31). Axis rotation. 2. The multi-station semi-automatic drilling and tapping machine according to claim 1, characterized in that: the number of the turntable stations (331) is one more than the number of the second fixing seats (32). 3. The multi-station semi-automatic drilling and tapping machine according to claim 2, characterized in that it also includes a limit adjustment assembly (8) connected to the fast upper and lower oil cylinder (21) for adjusting the For the up and down displacement of the drilling and tapping device (4), the number of the limit adjustment assembly (8) matches the number of the fast up and down cylinders (21). 4. The multi-station semi-automatic drilling and tapping machine according to claim 2, characterized in that it further comprises at least two feed assembly devices (6), and the number of the feed assembly devices (6) is the same as The turntable (33) is matched, and the feed assembly device (6) includes a feed motor (61), a cam (62), a feed bus (63), and a feed spindle (64). The feed motor (61) drives the cam (62) to rotate, and the cam (62) drives the feed spindle (64) to move up and down; the first fixed seat (31) and the turntable (33) are provided with holes , the feed assembly device (6) is arranged under the first fixed seat (31), and the feed spindle (64) passes through the first fixed seat (31), the turntable (33) and The workpiece fixture (5) is connected; the feed bus (63) is connected to the first fixed seat (31). 5. The multi-station semi-automatic drilling and tapping machine according to claim 4, characterized in that: the feed assembly device (6) also includes a fine-tuning rod (65), the fine-tuning rod is connected to the spindle (64) and workholding (5). 6. The multi-station semi-automatic drilling and tapping machine according to claim 1, characterized in that it also includes a turntable control device (7), and the turntable control device (7) includes a turntable motor (71), a turntable gear bus (72), the main shaft (73), the turntable motor (71) is connected to the turntable gear bus (72), the turntable gear bus (72) is connected to the main shaft (73), and the main shaft (73) is connected to the turntable (33) . 7. The multi-station semi-automatic drilling and tapping machine according to claim 6, characterized in that: the turntable control device (7) also includes a positioning rod (74), and the positioning rod (74) is fixedly connected to The fixing is on the first fixing base (31). 8. The multi-station semi-automatic drilling and tapping machine according to claim 7, characterized in that it further comprises a turntable positioning device (9), and the turntable positioning device (9) is connected to the fast forward and backward oil cylinder (22) and the turntable (3). 9. The multi-station semi-automatic drilling and tapping machine according to claim 1, characterized in that: the drill bit (42) is connected with a time relay (43), and the time relay (43) is used to control the drill bit (42) forward and reverse.