CN106735406B - A kind of double rig floor automatic drilling machines of double turntables - Google Patents

Abstract

The invention discloses an automatic drilling machine with double turntables and double drill floors, which comprises a workbench, on which two identical drillfloor mechanisms and two identical turntable mechanisms are arranged, and the two drillfloor mechanisms are arranged side by side On the rear portion of the upper plane of the workbench, the two turntable mechanisms are respectively located directly in front of the two drill floor mechanisms. Drill floor mechanism consists of drill floor support, drill floor column, drill bit rotary rod, drill bit, clamping head, clamping head moving hydraulic cylinder, electric motor, clamping cylinder, drill bit moving cylinder, moving sleeve, etc. The turntable mechanism consists of an upper turntable, a middle turntable, a lower turntable, a stepping motor, a rotating column, an upper positioning sleeve, a lower positioning sleeve, etc. The invention can realize full-automatic control and simple operation. The operator only needs to press the start button after loading and unloading blank workpieces to complete the clamping and drilling of 24 blank workpieces at one time without manual intervention, high degree of automation and safety. High performance, high processing efficiency, reliable quality, low labor intensity and low manufacturing cost.

Description

An automatic drilling machine with double turntables and double drill stands

technical field

The invention belongs to the field of mechanical automation, and in particular relates to an automatic drilling machine with double rotating discs and double drilling floors controlled by PLC.

Background technique

The drilling work of existing workpieces is all completed by manual processing. This manual drilling method not only has low processing efficiency, high labor intensity, high processing cost, but also low processing accuracy, and the consistency of the processed finished workpiece is poor. Guarantee the processing quality.

Contents of the invention

In order to make up for the deficiencies of the prior art, the present invention aims to provide an automatic drilling machine with double turntables and double drill stands, so as to realize automatic batch drilling of workpieces, improve processing efficiency and reduce labor intensity.

In order to achieve the above-mentioned technical purpose and achieve the above-mentioned technical effect, the present invention is realized through the following technical solutions:

An automatic drilling machine with double turntables and double drill floors, comprising a workbench, on which two identical drill floor mechanisms and two identical turntable mechanisms are arranged, and the two drill floor mechanisms are arranged side by side At the rear of the upper plane of the workbench, the two turntable mechanisms are respectively located directly in front of the two drill floor mechanisms;

The drill floor mechanism includes a drill floor support arranged at the rear of the upper plane of the workbench, the drill floor support is provided with a drill floor reinforcement rib, and the top of the drill floor reinforcement rib is provided with a vertically retractable The drill floor column; the top front of the drill floor column is provided with a drill bit moving cylinder mounting plate through the top connecting plate, and the middle part of the drill bit moving cylinder mounting plate is provided with a drill bit rotary rod mounting seat, and the drill bit moving cylinder is installed The front part of the plate is provided with a vertically downward drill bit moving cylinder; the middle part of the drill floor column is provided with a drill floor transverse support plate, and the rear part of the drill floor transverse support plate is provided with a motor through the motor mounting seat. A vertical drill rotary rod is arranged in the front circular hole of the transverse support plate of the drill floor, the bottom end of the drill rotary rod is connected with the drill bit, and the top end of the drill bit rotary rod is connected with the drill bit rotary rod mounting seat. connection, the upper part of the drill bit rotary rod is provided with a bearing sleeve, the outer part of the bearing sleeve is provided with an upper pulley, the middle part of the drill bit rotary rod is provided with a lower pulley; the upper part of the drill floor column is provided with a moving A shift fork fixing seat, one side of the moving shift fork fixing seat is provided with a belt transition wheel, and the belt transition wheel and the motor pulley of the motor are respectively located on the left and right sides of the column of the drill floor, and the belt transition wheel A belt is provided between the motor pulley, the upper layer of the belt passes through the upper pulley, and the lower layer of the belt passes through the lower pulley;

The drive rod of the drill bit moving cylinder is connected with a drill bit moving cylinder longitudinal connecting rod, the bottom end of the drill bit moving cylinder longitudinal connecting rod is connected with a drill bit moving cylinder transverse connecting rod, the rear of the drill bit moving cylinder transverse connecting rod A "U"-shaped moving fork is connected to the upper part, and the moving fork is located between the upper pulley and the lower pulley, and the left and right ends of the opening of the moving fork are respectively hinged on the moving fork The left and right sides of the fixed seat, the left and right sides of the "U" shape of the moving fork are respectively connected to the bearing sleeve through fastening screws; the upper pulley, the lower pulley and the outer part of the moving fork provided with a casing;

The lower surface of the front part of the drill floor transverse support plate is connected to a fixed plate through the fixed plate connecting plate, and the lower part of the drill bit rotary rod passes through the fixed plate connecting plate and the fixed plate at the same time; the left and right sides of the fixed plate A connecting column is arranged at both ends respectively, and a top plate is arranged on the top of the two connecting columns, and a vertically upward moving hydraulic cylinder of the clamping head is arranged at the rear of the moving cylinder mounting plate of the drill bit. The driving rod of the head moving hydraulic cylinder is connected to the lower surface of the top plate; a support plate is respectively arranged between the left and right sides of the connecting plate of the fixed plate and the mounting plate of the moving cylinder of the drill bit; The bottom end is provided with a clamping head fixing seat, and a vertical moving sleeve is arranged in the round hole in the center of the clamping head fixing seat, and the top end of the moving sleeve is arranged in the round hole in the center of the fixing plate. Inside, the bottom end of the moving sleeve is exposed on the lower surface of the clamping head fixing seat; an elastic clamping head installation sleeve is arranged in the lower part of the moving sleeve, and the elastic clamping head is installed An elastic clamping head is arranged in the sleeve, the lower part of the drill bit rotary rod and the drill bit are located in the upper half of the moving sleeve, and the head of the drill bit is located above the elastic clamping head; A clamping head fixing cover is sheathed outside the bottom end of the moving sleeve, and the clamping head fixing cover is fixed on the lower surface of the clamping head fixing seat by studs and lock nuts;

A vertical clamping cylinder mounting plate support column is arranged on the support of the drill floor, a clamping cylinder mounting plate is arranged on the top of the clamping cylinder mounting plate support column, and the rear of the clamping cylinder mounting plate There is a vertically upward clamping cylinder on the upper part, and the middle part of the mounting plate of the clamping cylinder is provided with two vertically upward clamping cylinder transverse link support columns, and the two clamping cylinder transverse link support columns A clamping cylinder transverse link is hinged on the top end of the clamping cylinder, and the rear end of the clamping cylinder transverse link is connected with the drive rod of the clamping cylinder through a clamping cylinder longitudinal link, and the clamping cylinder is connected horizontally The front end of the rod is connected with a clamping claw; the upper half of the moving sleeve is provided with a clamping ring connecting sleeve, and several connecting hooks are arranged on the clamping ring connecting sleeve, and the clamping ring is connected to The outside of the sleeve is provided with a clamping ring through the connecting hook, and the hook of the clamping claw clamps the clamping ring;

The turntable mechanism includes a stepping motor arranged on the front part of the upper plane of the workbench, a rotating column is arranged on the rotating shaft of the stepping motor, and an upper turntable is arranged on the top of the rotating column. A middle turntable is provided on the outside of the upper part of the column, and a lower turntable is arranged on the outside of the middle part of the rotating column; the upper turntable, the middle turntable and the lower turntable are fixedly connected by several turntable connecting columns and mounting nuts; Both the upper turntable and the middle turntable are provided with 12 round holes, each hole on the upper turntable is provided with an upper positioning sleeve, and each round hole on the middle turntable is provided with a The lower positioning sleeves, the 12 upper positioning sleeves correspond to the 12 lower positioning sleeves one by one, forming 12 workpiece placement positions for placing blank workpieces, one of the workpiece placement positions is located in the elastic clip Just below the tight head.

Further, the height distance between the upper plane of the upper turntable and the upper plane of the lower turntable is smaller than the length of the blank workpiece.

Further, the rear part of the workbench is bucket-shaped, which facilitates the installation of the drill floor mechanism.

Further, the two ends of the lower part of the workbench are respectively provided with workbench support plates, the bottoms of the two workbench support plates are provided with table feet, and a reinforcing beam is arranged between the two workbench support plates, The workbench support plate, the table legs and the reinforcing beam are all welded by steel plates, and the overall strength is high.

Further, the length and width of the workbench are 847mm*880mm, and the height of the workbench from the ground is 870mm, which conforms to ergonomics.

Working process of the present invention is as follows:

The operator first places 24 blank workpieces in the workpiece placement position consisting of the upper positioning sleeve, the lower positioning sleeve and the lower turntable;

Then start the machine, the clamping head moves the hydraulic cylinder to start working, driving the top plate, the connecting column, the clamping head fixing seat, the clamping head fixing cover and the elastic clamping head on the upper part, the elastic clamping head installation sleeve, the moving sleeve, The clamping ring, the clamping ring connecting sleeve, etc. are lowered together, and the clamping head moves the hydraulic cylinder to stop working after the lowering is in place;

Then the clamping cylinder starts to work, driving the longitudinal connecting rod of the clamping cylinder to descend, the horizontal connecting rod of the clamping cylinder moves to the right, the clamping claw clamps the clamping ring, and drives the moving sleeve, elastic The mounting sleeve of the clamping head moves down, so that the tapered surface of the mounting sleeve of the elastic clamping head presses the elastic tapered surface of the elastic clamping head, causing the bottom of the elastic clamping head to shrink and clamp the blank workpiece;

Then the motor starts to work, and the upper pulley, the lower pulley, the drill bit rotary rod and the drill bit are driven to rotate through the motor pulley and the belt;

Immediately afterwards, the drill bit moving cylinder starts to work, drives the drill bit moving cylinder longitudinal connecting rod and the drill bit moving cylinder longitudinal connecting rod to move up, and drives the drill bit to move down for drilling by driving the moving shift fork and the drill bit rotating rod;

After the drilling is completed, the drill bit moving cylinder starts to work in reverse, driving the longitudinal connecting rod of the drill bit moving cylinder and the longitudinal connecting rod of the drill bit moving cylinder to move down, and drives the drill bit to move up by driving the moving shift fork and the drill bit rotary rod;

Then the clamping cylinder starts to work in reverse, driving the longitudinal connecting rod of the clamping cylinder to rise, the horizontal connecting rod of the clamping cylinder moves to the left, the clamping claw clamps the clamping ring, and drives the moving sleeve through the connecting hook and the connecting sleeve of the clamping ring . The mounting sleeve of the elastic clamping head is moved up, so that the pressure exerted by the tapered surface of the elastic clamping head mounting sleeve on the elastic cone surface of the elastic clamping head becomes smaller, and the blank workpiece is released from the bottom of the elastic clamping head;

Then the clamping head moves the hydraulic cylinder and starts to work in reverse, driving the top plate, the connecting column, the clamping head fixing seat, the clamping head fixing cover and the elastic clamping head on the upper part, the elastic clamping head installation sleeve, the moving sleeve, the clamp The clamping ring, the clamping ring connecting sleeve, etc. rise together, and the clamping head moves the hydraulic cylinder to stop working after rising to the right position;

Finally, the stepper motor starts to work, driving the rotating column, the upper turntable, the middle turntable and the lower turntable to rotate a step angle of 30 degrees, so that the blank workpiece on the next workpiece placement position is transferred to the processing position, and then the above process is repeated until After the turntable completes one revolution, the machine stops, and the operator simply removes the finished workpiece that has been drilled.

The beneficial effects of the present invention are:

1. The present invention can realize fully automatic control. The operator only needs to press the start button after loading and unloading blank workpieces to complete the clamping and drilling of 24 blank workpieces at one time. The processing efficiency is high and the quality is reliable.

2. The present invention uses the lower turntable, the upper positioning sleeve and the lower positioning sleeve to locate the blank workpiece, and the positioning is simple and reliable.

3. The present invention utilizes the elastic clamping head installation sleeve and the radial force generated when the two cone surfaces of the elastic clamping head move to perform clamping, and the clamping is safe and reliable.

4. The present invention controls the depth of the drilled pipe by controlling the downward movement of the drill bit, so the position is accurate, the precision is high, and the consistency is good.

5. The whole set of equipment of the present invention is easy to operate, the operator only needs to complete the loading and unloading of the workpiece, the processing does not require manual intervention, the degree of automation is high, the safety is high, the labor intensity is low, and the manufacturing cost is low.

6. The size of the workbench of the present invention is 847mm*880mm*870mm, which conforms to ergonomics, and the frame of the workbench is welded by steel plates, and the bottom is provided with reinforcing beams, so the overall strength is high.

7. The rear part of the workbench of the present invention is designed in a bucket shape to facilitate the installation of the drill floor mechanism, the layout is reasonable, the structure of the whole machine is compact, and the floor space is saved.

The above description is only an overview of the technical solutions of the present invention. In order to understand the technical means of the present invention more clearly and implement them according to the contents of the description, the preferred embodiments of the present invention and accompanying drawings are described in detail below. The specific embodiment of the present invention is given in detail by the following examples and accompanying drawings.

Description of drawings

The accompanying drawings described here are used to provide a further understanding of the present invention and constitute a part of the application. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations to the present invention. In the attached picture:

Fig. 1 is the front perspective view of the overall structure of the present invention;

Fig. 2 is the front perspective view of the drill floor mechanism of the present invention;

Fig. 3 is a perspective view of the middle structure of the drill floor mechanism of the present invention;

Fig. 4 is a perspective view of the right side of the structure in Fig. 3 after the cover is removed;

Fig. 5 is a left perspective view of the structure in Fig. 3 after the cover is removed;

Fig. 6 is a perspective view of the lower structure of the drill floor mechanism of the present invention;

Fig. 7 is the assembly drawing of Fig. 6 structure;

Fig. 8 is a schematic diagram of the positional relationship between the rotary rod of the drill bit and the drill bit in the drill floor mechanism of the present invention;

Fig. 9 is a front perspective view of the turntable mechanism of the present invention;

Fig. 10 is a reverse perspective view of the turntable mechanism of the present invention.

Detailed ways

The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

Referring to Figure 1-10, an automatic drilling machine with double turntables and double drill floors includes a workbench 1 on which two identical drill floor mechanisms and two identical turntable mechanisms are arranged. The two drill floor mechanisms are arranged side by side at the rear of the upper plane of the workbench 1, and the two turntable mechanisms are respectively located directly in front of the two drill floor mechanisms;

The drill floor mechanism includes a drill floor support 26 arranged on the rear part of the upper plane of the workbench 1. The drill floor support 26 is provided with a drill floor reinforcement rib 27, and the top of the drill floor reinforcement rib 27 is A drill floor column 46 that can be retracted up and down is provided; the top front portion of the drill floor column 46 is provided with a drill bit moving cylinder mounting plate 51 through a top connecting plate 62, and the middle part of the drill bit moving cylinder mounting plate 51 is provided with a drill bit rotary Rod mounting seat 50, the front portion of said drill bit moving cylinder mounting plate 51 is provided with a drill bit moving cylinder 31 vertically downward; the middle part of said drill floor column 46 is provided with a drill floor transverse support plate 47, said drill The rear portion of the platform transverse support plate 47 is provided with the motor 14 through the motor mount 15, and a vertical drill bit rotary rod 45 is arranged in the front portion circular hole of the drill floor transverse support plate 47, and the drill bit rotary rod 45 The bottom end is connected with drill bit 44, and the top of described drill bit rotary rod 45 is connected with described drill bit rotary rod mount 50, and the top cover of described drill bit rotary rod 45 is provided with a bearing sleeve 49, and the outside of described bearing sleeve 49 is provided with There is an upper pulley 55, and the middle part of the drill bit rotary rod 45 is provided with a lower pulley 56; the top of the drill floor column 46 is provided with a movable shift fork holder 61, and one side of the movable shift fork holder 61 is provided with Belt transition wheel 48, the belt transition wheel 48 and the motor pulley 60 of the motor 14 are respectively located on the left and right sides of the drill floor column 46, and a belt is arranged between the belt transition wheel 48 and the motor pulley 60 59, the upper layer of the belt 59 passes through the upper pulley 55, and the lower layer of the belt 59 passes through the lower pulley 56;

The drive rod of the drill bit moving cylinder 31 is connected with a drill bit moving cylinder longitudinal connecting rod 32, and the bottom end of the drill bit moving cylinder longitudinal connecting rod 32 is connected with a drill bit moving cylinder transverse connecting rod 33, and the drill bit moving cylinder horizontally The rear portion of the connecting rod 33 is connected with a "U"-shaped moving fork 58, and the moving fork 58 is located between the upper pulley 55 and the lower pulley 56, and the left and right sides of the opening of the moving fork 58 The two ends are respectively hinged on the left and right sides of the moving fork fixing seat 61, and the left and right sides of the "U" shape of the moving fork 58 are respectively connected with the bearing sleeve 49 by fastening screws 57; A casing 52 is arranged outside the pulley 55, the lower pulley 56 and the moving fork 58;

The lower surface of the front part of the drill floor transverse support plate 47 is connected to a fixed plate 10 through the fixed plate connecting plate 54, and the lower part of the drill bit rotary rod 45 passes through the fixed plate connecting plate 54 and the fixed plate 10 at the same time. The left and right ends of the fixed plate 10 are respectively provided with a connecting column 11, the tops of the two connecting columns 11 are provided with a top plate 12, and the rear portion of the drill moving cylinder mounting plate 51 is provided with a vertically upward The clamping head moving hydraulic cylinder 13, the driving rod of the clamping head moving hydraulic cylinder 13 is connected with the lower surface of the top plate 12; A support plate 16 is respectively arranged between the sides; a clamping head fixing seat 9 is arranged at the bottom end of the two connecting columns 11, and a vertical Moving sleeve 38, the top of said moving sleeve 38 is arranged in the circular hole at the center of said fixed plate 10, and the bottom end of said moving sleeve 38 is exposed on the lower surface of said clamping head holder 9; An elastic clamping head installation sleeve 42 is provided in the lower half of the moving sleeve 38, and an elastic clamping head 41 is arranged in the elastic clamping head installation sleeve 42. The lower part of the drill bit rotary rod 45 and the The drill bit 44 is located in the upper half of the moving sleeve 38, and the head of the drill bit 44 is located above the elastic clamping head 41; the bottom end of the moving sleeve 38 is provided with a clip The clamping head fixing cover 8, the clamping head fixing cover 8 is fixed on the lower surface of the clamping head fixing seat 9 through a stud 37 and a lock nut 36;

The drill floor support 26 is provided with a vertical clamping cylinder mounting plate support column 18, and the top of the clamping cylinder mounting plate support column 18 is provided with a clamping cylinder mounting plate 17, and the clamping cylinder The rear portion of the mounting plate 17 is provided with a vertically upward clamping cylinder 28, and the middle part of the clamping cylinder mounting plate 17 is provided with two vertically upward clamping cylinder transverse link support columns 43, two of which The top of the clamping cylinder transverse link support column 43 is hinged with a clamping cylinder transverse link, and the rear end of the clamping cylinder transverse link 30 connects with the clamping cylinder 28 through a clamping cylinder longitudinal link 29 The drive rod is connected, and the front end of the clamping cylinder transverse link 30 is connected with a clamping claw 35; the outer part of the upper half of the moving sleeve 38 is provided with a clamping ring connecting sleeve 40, and the clamping ring The connecting sleeve 40 is provided with several connecting hooks 39, and the outside of the clamping ring connecting sleeve 40 is provided with a circle of clamping ring 34 through the connecting hooks 39, and the claw hooks of the clamping claws 35 clamp the clamping ring. tight ring 34;

The turntable mechanism includes a stepping motor 5 arranged on the front part of the upper plane of the workbench 1, a rotating column 6 is arranged on the rotating shaft of the stepping motor 5, the top of the rotating column 6 is provided with an upper Turntable 20, the upper outer side of the rotating column 6 is provided with a middle rotating disk 7, and the outer middle part of the rotating column 6 is provided with a lower rotating disk 19; Fixedly connected by several turntable connecting columns 24 and mounting nuts 25; the upper turntable 20 and the middle turntable 7 are provided with 12 round holes, and each round hole on the upper turntable 20 is provided with an upper Positioning sleeves 23, a lower positioning sleeve 22 is arranged in each round hole on the middle turntable 7, and the 12 upper positioning sleeves 23 correspond to the 12 lower positioning sleeves 22 one by one, forming 12 There are two workpiece placement positions for placing blank workpieces 21, one of which is located directly below the elastic clamping head 41.

Further, the height distance between the upper plane of the upper turntable 20 and the upper plane of the lower turntable 19 is smaller than the length of the blank workpiece 21 .

Further, the rear part of the workbench 1 is bucket-shaped, which facilitates the installation of the drill floor mechanism.

Further, the two ends of the lower part of the workbench 1 are respectively provided with workbench support plates 2, and the bottoms of the two workbench support plates 2 are provided with table legs 3, and between the two workbench support plates 2 A reinforcing beam 4 is provided, and the support plate 2 of the workbench, the table legs 3 and the reinforcing beam 4 are all welded by steel plates, and the overall strength is high.

Further, the length and width of the workbench 1 are 847mm*880mm, and the height of the workbench 1 from the ground is 870mm, which conforms to ergonomics.

Working process of the present invention is as follows:

The operator first places 24 blank workpieces 21 in the workpiece placement position composed of the upper positioning sleeve 23, the lower positioning sleeve 22 and the lower turntable 19;

Then start the machine, the clamping head moves the hydraulic cylinder 13 to start working, drives the top plate 12, the connecting column 11, the clamping head fixing seat 9, the clamping head fixed cover 8 and the elastic clamping head 41 on the top thereof, and the elastic clamping head is installed Cover 42, moving sleeve 38, clamping ring 34, clamping ring connecting sleeve 40, etc. drop together, and the clamping head moves the hydraulic cylinder 13 to stop working after falling in place;

Then the clamping cylinder 28 starts to work, drives the longitudinal connecting rod 29 of the clamping cylinder to descend, the transverse connecting rod 30 of the clamping cylinder moves to the right, the clamping claw 35 clamps the clamping ring 34, and connects the sleeve through the connecting hook 39 and the clamping ring 40 drives the moving sleeve 38 and the elastic clamping head installation sleeve 42 to move down, so that the tapered surface of the elastic clamping head installation sleeve 42 exerts pressure on the elastic cone surface of the elastic clamping head 41, causing the bottom of the elastic clamping head 41 to shrink , to clamp the blank workpiece 21;

Next motor 14 starts working, drives upper pulley 55, lower pulley 56, drill bit rotating rod 45 and drill bit 44 rotations by motor pulley 60, belt 59;

Then drill bit moves cylinder 31 and starts working, drives drill bit to move cylinder longitudinal connecting rod 32 and drill bit moves cylinder longitudinal connecting rod 32 and moves up, and drives drill bit 44 to move down by driving shift fork 58, drill bit rotating rod 45 and drills;

After the drilling is completed, the drill bit moving cylinder 31 starts to work in reverse, and drives the drill bit moving cylinder longitudinal connecting rod 32 and the drill bit moving cylinder longitudinal connecting rod 32 to move down, and drives the drill bit 44 to move up by driving the moving shift fork 58 and the drill bit rotary rod 45. ;

Then the clamping cylinder 28 starts to work in reverse, driving the longitudinal connecting rod 29 of the clamping cylinder to rise, the transverse connecting rod 30 of the clamping cylinder moves to the left, the clamping claw 35 clamps the clamping ring 34, and passes through the connecting hook 39, the clamping ring The connecting sleeve 40 drives the moving sleeve 38 and the elastic clamping head installation sleeve 42 to move up, so that the pressure exerted by the tapered surface of the elastic clamping head installation sleeve 42 on the elastic cone surface of the elastic clamping head 41 becomes smaller, and the elastic clamping Loosen the blank workpiece 21 at the bottom of the head 41;

Then the clamping head moves the hydraulic cylinder 13 and starts to work in reverse, driving the top plate 12, the connecting column 11, the clamping head fixing seat 9, the clamping head fixing cover 8 and the elastic clamping head 41 on its upper part, and the elastic clamping head installation sleeve 42. The moving sleeve 38, the clamping ring 34, the clamping ring connecting sleeve 40, etc. rise together, and the clamping head moves the hydraulic cylinder 13 to stop working after rising to the right position;

Finally, the stepper motor 5 starts to work, driving the rotating column 6, the upper turntable 20, the middle turntable 7 and the lower turntable 19 to rotate a step angle of 30 degrees, so that the blank workpiece 21 on the next workpiece placement position is transferred to the processing position, Then repeat the above process until the turntable completes one revolution, the machine stops, and the operator removes the finished workpiece that has been drilled.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (9)

1. a kind of double rig floor automatic drilling machines of double turntables, it is characterised in that：Including a workbench (1), on the workbench (1) There are two identical rig floor mechanism and two identical rotating disk mechanisms, two described rig floor mechanisms or so, and institute is abreast arranged for setting The rear portion of plane on workbench (1) is stated, two rotating disk mechanisms are located at the front of two rig floor mechanisms；

The rig floor mechanism includes a rig floor bearing (26) that planar back portion is arranged on the workbench (1), the rig floor It is provided with rig floor ribs (27) on bearing (26), the rig floor that can be stretched up and down is provided at the top of the rig floor ribs (27) Column (46)；The top front of the rig floor column (46) is provided with one piece of drill bit mobile cylinder peace by top connecting plate (62) Loading board (51), drill bit swing arm mounting base (50) is provided in the middle part of the drill bit mobile cylinder mounting plate (51), and the drill bit moves There are one drill bit mobile cylinders (31) straight down for the front setting of dynamic cylinder mounting plate (51)；The rig floor column (46) Middle part is provided with one piece of rig floor cross-brace plate (47), and the rear portion of the rig floor cross-brace plate (47) passes through motor mount (15) it is provided with motor (14), a vertical drill bit rotation is provided in the front circular hole of the rig floor cross-brace plate (47) The bottom end of bar (45), the drill bit swing arm (45) is connect with drill bit (44), top and the drill bit of the drill bit swing arm (45) Swing arm mounting base (50) connects, and the top of the drill bit swing arm (45) is arranged that there are one bearing holder (housing, cover) (49), the bearing holder (housing, cover)s (49) Outside be provided with upper belt roller (55), be provided with lower belt roller (56) in the middle part of the drill bit swing arm (45)；The brill There are one mobile shift fork fixed seat (61), the side settings of the mobile shift fork fixed seat (61) for the top setting of platform column (46) There are belt transition wheel (48), the belt transition wheel (48) and the motor pulley (60) of the motor (14) to be located at institute The left and right sides of rig floor column (46) is stated, belt is provided between the belt transition wheel (48) and the motor pulley (60) (59), the upper belt roller (55) is passed through on the upper layer of the belt (59), and the lower part is passed through by the lower layer of the belt (59) Belt pulley (56)；

A drill bit mobile cylinder longitudinal rod (32), the drill bit are connected on the drive rod of the drill bit mobile cylinder (31) The bottom end of mobile cylinder longitudinal rod (32) is connected with a drill bit mobile cylinder transverse link (33), the drill bit mobile cylinder There are one the mobile shift fork (58) of U-typed, the mobile shift fork (58) is located at the top for the rear portion connection of transverse link (33) Between belt pulley (55) and the lower belt roller (56), the left and right ends of mobile shift fork (58) opening are respectively hinged at The left and right sides of the mobile shift fork fixed seat (61), the left and right sides at mobile shift fork (58) U-typed is respectively by tight Gu the external connection of screw (57) and the bearing holder (housing, cover) (49)；

The lower surface of rig floor cross-brace plate (47) front is connected by fixed plate connecting plate (54) and one piece of fixed plate (10) It connects, the lower part of the drill bit swing arm (45) is also cross the fixed plate connecting plate (54) and the fixed plate (10)；It is described solid The left and right ends of fixed board (10) are respectively arranged with a connecting pole (11), and the top of two connecting poles (11) is provided with one piece Top plate (12), there are one clamping head mobile hydraulic cylinders straight up for the rear portion setting of the drill bit mobile cylinder mounting plate (51) (13), the drive rod of the clamping head mobile hydraulic cylinder (13) is connect with the lower surface of the top plate (12)；Two connections The bottom end setting of column (11) is provided with one there are one clamping head fixed seat (9) in the circular hole in clamping head fixed seat (9) center The top of a vertical moving sleeve (38), the moving sleeve (38) is arranged in the circular hole in the fixed plate (10) center, The bottom end of the moving sleeve (38) is exposed to the lower surface of the clamping head fixed seat (9)；Under the moving sleeve (38) There are one elastic clamping head installation sets (42) for setting in half part, and there are one bullets for the interior setting of the elastic clamping head installation set (42) Property clamping head (41), the lower part of the drill bit swing arm (45) and the drill bit (44) are respectively positioned on the upper of the moving sleeve (38) In half part, the head of the drill bit (44) is located on the elastic clamping head (41)；The bottom end of the moving sleeve (38) Outer cover set there are one clamping head fix cover (8)；

A vertical clamping cylinder mounting plate support column (18), the clamping cylinder peace are provided on the rig floor bearing (26) One piece of clamping cylinder mounting plate (17), the rear portion of the clamping cylinder mounting plate (17) are provided at the top of loading board support column (18) Clamping cylinder (28) there are one straight up is set, be provided in the middle part of the clamping cylinder mounting plate (17) two vertically to On clamping cylinder transverse link support column (43), the top of two clamping cylinder transverse link support columns (43) is hinged with The rear end of a piece clamping cylinder transverse link, the clamping cylinder transverse link (30) passes through a clamping cylinder longitudinal rod (29) it is connect with the drive rod of the clamping cylinder (28), there are one folders for the front end connection of the clamping cylinder transverse link (30) Tight pawl (35)；There are one clamping ring connector sleeve (40), the clamping rings for the external setting of moving sleeve (38) top half Several connecting hooks (39) are provided on connector sleeve (40), the outside of the clamping ring connector sleeve (40) passes through the connecting hook (39) it is provided with a circle clamping ring (34), the pawl hooks of the clamp jaw (35) clamp the clamping ring (34)；

The rotating disk mechanism includes a stepper motor (5) that planar front portion is arranged on the workbench (1), the stepping electricity It is provided with a column spinner (6) in the rotary shaft of machine (5), top rotary table (20), the rotation are provided at the top of the column spinner (6) The upper outside of rotary column (6) is provided with turntable (7), and lower rotary table (19) is provided on the outside of the middle part of the column spinner (6)；It is described 12 circular holes are offered on top rotary table (20) and the turntable (7), are all provided in each circular hole on the top rotary table (20) It sets there are one upper positioning sleeve (23), is respectively provided in each circular hole on the turntable (7) there are one lower positioning sleeve (22), 12 The upper positioning sleeve (23) is corresponding up and down one by one with 12 lower positioning sleeves (22) respectively, constitutes 12 for placing blank work The work piece position of part (21), one of them described work piece position are located at the underface of the elastic clamping head (41).

2. the double rig floor automatic drilling machines of double turntables according to claim 1, it is characterised in that：After the workbench (1) Portion is in bucket-shaped.

3. the double rig floor automatic drilling machines of double turntables according to claim 1, it is characterised in that：Workbench (1) lower part Both ends be respectively arranged with worktable support plate (2), the bottoms of two pieces of worktable support plates (2) is equipped with feet (3), two Reinforcing beam (4) is provided between worktable support plate (2) described in block.

4. the double rig floor automatic drilling machines of double turntables according to claim 3, it is characterised in that：The length of the workbench (1) Wide size is 847mm*880mm, and the terrain clearance of the workbench (1) is 870mm.

5. the double rig floor automatic drilling machines of double turntables according to claim 1, it is characterised in that：The upper belt roller (55), there are one cases (52) for the external setting of the lower belt roller (56) and the mobile shift fork (58).

6. the double rig floor automatic drilling machines of double turntables according to claim 1, it is characterised in that：The fixed plate connecting plate (54) one piece of support plate (16) is respectively arranged between the left and right sides of the drill bit mobile cylinder mounting plate (51).

7. the double rig floor automatic drilling machines of double turntables according to claim 1, it is characterised in that：The clamping head fixes cover (8) lower surface of the clamping head fixed seat (9) is fixed on by studs (37) and locking nut (36).

8. the double rig floor automatic drilling machines of double turntables according to claim 1, it is characterised in that：The top rotary table (20), institute It states and is fixedly connected by several turntable connecting poles (24) and installation nut (25) between turntable (7) and the lower rotary table (19).

9. the double rig floor automatic drilling machines of double turntables according to claim 1, it is characterised in that：The top rotary table (20) it is upper Height distance between plane and the upper plane of the lower rotary table (19) is less than the length of the blank workpiece (21).