CN217701457U

CN217701457U - Pivot pin automatically clamped drilling equipment

Info

Publication number: CN217701457U
Application number: CN202221920479.7U
Authority: CN
Inventors: 唐水旺; 魏俊锦
Original assignee: Zhongshan Haofan Hardware Manufacturing Co ltd
Current assignee: Zhongshan Haofan Hardware Manufacturing Co ltd
Priority date: 2022-07-22
Filing date: 2022-07-22
Publication date: 2022-11-01
Anticipated expiration: 2032-07-22

Abstract

The utility model discloses a pivot pin automatic clamping drilling equipment, it includes the frame, is equipped with the chuck that is used for the clamping pivot pin on the frame and is used for seting up the drilling mechanism of hole site to the pivot pin, the double-layered hole direction towards the chuck is equipped with the pay-off passageway on the frame, the pay-off passageway plugs into with the autoloading mechanism of automatic propelling movement pivot pin, the chuck is tight or loosen through pressing from both sides its clamp of material driving cylinder control, be equipped with in the chuck and be used for pivot pin location and ejecting liftout pole, the liftout pole is connected with liftout driving cylinder transmission, chuck or pay-off passageway are along pressing from both sides the axis direction and the frame clearance fit in hole, be equipped with material returned driving mechanism and chuck or pay-off passageway transmission on the frame and be connected to control chuck or pay-off passageway along the axis direction motion that presss from both sides the hole. According to the automatic pivot pin clamping and drilling equipment, the pivot pin to be machined is sent into the feeding channel and the clamping hole through the automatic feeding mechanism, the clamping head is controlled to clamp through the clamping driving cylinder, drilling operation can be conducted, the automation degree is high, and the machining efficiency is high.

Description

Pivot pin automatically clamped drilling equipment

Technical Field

The utility model relates to a hardware processing equipment, especially a pivot pin automatically clamped drilling equipment.

Background

The pivot pin is the part commonly used in door and window five metals field, and in some occasions, the periphery of pivot pin needs the trompil, and the quantity of trompil can be a plurality ofly, and when a plurality of trompils especially, each trompil needs to be processed one by one, and every processing trompil all needs the clamping once to fix a position the drilling position of other trompils according to first trompil, its troublesome poeration, the machining precision is low, and production efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pivot pin automatically clamped drilling equipment that simple structure is reasonable, control is convenient, production efficiency is high.

The purpose of the utility model is realized like this:

the utility model provides a pivot pin automatically clamped drilling equipment, includes the frame, is equipped with the chuck that is used for the clamping pivot pin on the frame and is used for seting up the drilling mechanism of hole site to the pivot pin, its characterized in that: the automatic material pushing device is characterized in that a feeding channel is arranged on the machine base in the direction towards the clamping hole of the chuck, the feeding channel is connected with an automatic feeding mechanism of an automatic pushing pivot pin, the chuck is controlled to be clamped or loosened through a clamping driving cylinder, an ejection rod used for positioning and ejecting the pivot pin is arranged in the chuck, the ejection rod is in transmission connection with the ejection driving cylinder, the chuck or the feeding channel is in movable fit with the machine base along the axial direction of the clamping hole, and a material returning driving mechanism is arranged on the machine base and is in transmission connection with the chuck or the feeding channel so as to control the chuck or the feeding channel to move along the axial direction of the clamping hole.

The purpose of the utility model can also adopt the following technical measures to solve:

as a more specific scheme, a support plate is arranged on the machine base, a die head is arranged on one side of the support plate, the die head is transversely provided with the feeding channel, the feeding channel is communicated with the other side of the support plate, a positioning hole is formed in the periphery of the die head, and the positioning hole is communicated with the feeding channel; the automatic feeding mechanism is arranged on the other side of the supporting plate and comprises a material receiving bearing platform, a feeding driving cylinder, a material storage guide rail and a discharging driving cylinder, wherein the material receiving bearing platform is provided with a material receiving positioning groove with an open top and two open ends, one end of the material receiving positioning groove is communicated with the feeding channel, the other end of the material receiving positioning groove is provided with a feeding push rod which moves transversely, and the feeding push rod is in transmission connection with the feeding driving cylinder; the material storage guide rail is obliquely arranged on one side of the material receiving bearing platform, a material discharging push arm which moves up and down is arranged between the lower end of the material storage guide rail and the material receiving bearing platform, and the material discharging push arm is in transmission connection with the material discharging driving cylinder.

As a further scheme, the material storage guide rail is of a channel steel type, and a guide groove for placing a pivot pin is formed in a channel body of the material storage guide rail; the lower end of the material storage guide rail is close to the material receiving bearing platform and a baffle is arranged between the material storage guide rail and the material receiving bearing platform, a yielding hole is reserved between the lower end of the material storage guide rail and the baffle, and the upper end of the material storage push arm is inserted into the yielding hole.

As a further scheme, the feeding driving cylinder is connected with the supporting plate through a supporting frame; and a chip discharge groove communicated with the positioning hole is axially formed in the side wall of the feeding channel of the die head.

As a further scheme, the positioning holes point in the radial direction and penetrate through the die head, more than two positioning holes are arranged, and the positioning holes are circumferentially distributed and axially staggered with each other; the drilling mechanisms are respectively arranged on the supporting plate corresponding to the peripheries of the positioning holes.

As a further scheme, the material returning driving mechanism comprises a material returning driving cylinder, the material returning driving cylinder is arranged on the base through a fixing seat, a movable frame which moves along the direction of the clamping hole axis of the chuck is arranged on the fixing seat, the movable frame is in transmission connection with the material returning driving cylinder, and the chuck, the material clamping driving cylinder and the material ejecting driving cylinder are all arranged on the movable frame.

As a further scheme, the chuck comprises a clamping cylinder and an outer sleeve, the clamping hole is formed on the inner side of the clamping cylinder, a plurality of elastic slots are axially formed in the side wall of the outer end of the clamping hole, the outer end of the clamping cylinder is in an inverted cone shape, and the inner end of the clamping cylinder is fixedly connected with the movable frame; the outer sleeve is sleeved outside the clamping cylinder and is in transmission connection with the clamping driving cylinder.

As a further scheme, the movable frame is arched, the clamping cylinder is arranged outside one end of the movable frame, a plurality of linkage rods are arranged on the inner side of the movable frame around the axis of the clamping cylinder, the linkage rods are in transverse sliding fit with the movable frame, the outer end of each linkage rod extends out of one end of the movable frame and is connected with the outer sleeve through an end plate, and the inner end of each linkage rod is connected with a linkage plate; the clamping driving cylinder is arranged outside the other end of the movable frame, and a piston rod of the clamping driving cylinder extends into the movable frame and is connected with the center of the linkage plate; the material ejecting driving cylinder is arranged in the movable frame and is positioned in the range surrounded by the linkage rod.

As a further scheme, the drilling mechanism comprises a power drill bit, a moving frame and a moving control motor, wherein the power drill bit is arranged on the moving frame, and the moving frame is linearly and movably arranged on the supporting plate and is in transmission connection with the moving control motor through a lead screw transmission pair.

As a further scheme, the pressure of the feeding driving cylinder is greater than that of the material ejecting driving cylinder; or a limiting part for limiting the entering amount of the pivot pin is arranged in the clamp hole of the clamp.

The beneficial effects of the utility model are as follows:

according to the automatic pivot pin clamping and drilling equipment, a pivot pin to be machined is fed into the feeding channel and the clamping hole through the automatic feeding mechanism, the clamping head controls the clamping head to clamp the pivot pin through the clamping driving cylinder, and the drilling mechanism is further controlled to drill the pivot pin; after the drilling is finished, the material returning driving mechanism controls the chuck and the feeding channel to be separated from each other by a certain distance, the material clamping driving cylinder resets, and the material ejecting driving cylinder controls the material ejecting rod to eject the pivot pin with the hole on the chuck; the operation is convenient, and the processing efficiency is high.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic view of the pivot pin structure after processing of the present invention.

Fig. 3 is an exploded view of the middle collet and its driving member and die head of the present invention.

Fig. 4 is another angle structure diagram of fig. 3.

Fig. 5 is a schematic view of the structure of the middle clamping cylinder of the present invention.

Fig. 6 is a schematic view of another angle structure of the present invention.

Fig. 7 is a schematic structural view of the automatic feeding mechanism of the present invention.

Fig. 8 is a left side view schematic diagram of the present invention.

FIG. 9 isbase:Sub>A schematic sectional view taken along line A-A of FIG. 8.

Fig. 10 is an enlarged schematic view of B in fig. 9.

Fig. 11 is a schematic view of the local structure of the present invention.

FIG. 12 is a partial structural diagram of FIG. 11 after C-C is cut away.

Fig. 13 is another structural diagram of the working state of fig. 12.

Detailed Description

The invention will be further described with reference to the following drawings and examples:

referring to fig. 1 to 4, the pivot pin automatic clamping and drilling device comprises a base 10, wherein a chuck 5 for clamping a pivot pin 70 and a drilling mechanism for forming a hole 701 in the pivot pin 70 are arranged on the base 10, a feeding channel 62 is arranged on the base 10 in a direction towards a clamping hole 511 of the chuck 5, the feeding channel 62 is connected with an automatic feeding mechanism 30 for automatically pushing the pivot pin 70, the chuck 5 is controlled to be clamped or loosened by a clamping driving cylinder 2, an ejection rod 41 for positioning and ejecting the pivot pin 70 is arranged in the chuck 5, the ejection rod 41 is in transmission connection with the ejection driving cylinder 4, the chuck 5 is movably matched with the base 10 along an axial direction of the clamping hole 511, and a material returning driving mechanism 20 is arranged on the base 10 and is in transmission connection with the chuck 5 to control the chuck 5 to move along an axial direction of the clamping hole 511.

A support plate 102 is arranged on the machine base 10, a die head 6 is arranged on one side of the support plate 102, the die head 6 is transversely provided with the feeding channel 62, the feeding channel 62 leads to the other side of the support plate 102, a positioning hole 61 is formed in the periphery of the die head 6, and the positioning hole 61 leads to the feeding channel 62; the automatic feeding mechanism 30 is arranged at the other side of the supporting plate 102, the automatic feeding mechanism 30 comprises a material receiving bearing platform 82, a feeding driving cylinder 7, a material storage guide rail 8 and a material discharging driving cylinder 9, the material receiving bearing platform 82 is provided with a material receiving positioning groove 83 with the top and two open ends, one end of the material receiving positioning groove 83 is communicated with the feeding channel 62, the other end of the material receiving positioning groove 83 is provided with a feeding push rod 72 which moves transversely, and the feeding push rod 72 is in transmission connection with the feeding driving cylinder 7; the material storage guide rail 8 is obliquely arranged on one side of the material receiving bearing platform 82, a material discharging push arm 91 which moves up and down is arranged between the lower end of the material storage guide rail 8 and the material receiving bearing platform 82, and the material discharging push arm 91 is in transmission connection with the material discharging driving cylinder 9.

The material storage guide rail 8 is of a channel steel type, and a guide groove for placing the pivot pin 70 is formed in a channel body of the material storage guide rail; the lower extreme of deposit guide rail 8 is close to connect the material cushion cap 82 and with connect and be equipped with baffle 81 between the material cushion cap 82, leaves the hole of stepping down between the lower extreme of deposit guide rail 8 and baffle 81, the upper end of blowing push arm 91 inserts in the hole of stepping down.

The feeding driving cylinder 7 is connected with the supporting plate 102 through a supporting frame 71; and a chip groove communicated with the positioning hole 61 is axially formed in the side wall of the feeding channel 62 of the die head 6.

The positioning holes 61 point in the radial direction and penetrate through the die head 6, more than two positioning holes 61 are arranged, and the positioning holes 61 are circumferentially distributed and axially staggered with each other; the support plate 102 is provided with the drilling mechanism corresponding to the periphery of each positioning hole 61.

Material returned actuating mechanism 20 includes material returned actuating cylinder 1, and material returned actuating cylinder 1 passes through fixing base 101 and sets up on the frame 10, be equipped with on the fixing base 101 and follow the adjustable shelf 3 that the double-layered hole 511 axis direction of chuck 5 removed, adjustable shelf 3 is connected with material returned actuating cylinder 1 transmission, chuck 5, press from both sides material actuating cylinder 2 and liftout actuating cylinder 4 all set up on adjustable shelf 3.

The chuck 5 comprises a clamping cylinder 51 and an outer sleeve 52, the clamping hole 511 is formed on the inner side of the clamping cylinder 51, a plurality of elastic slots 513 are axially formed in the side wall of the outer end of the clamping hole 511, the outer end of the clamping cylinder 51 is in an inverted cone shape, and the inner end of the clamping cylinder 51 is fixedly connected with the movable frame 3; the outer sleeve 52 is sleeved outside the clamping cylinder 51 and is in transmission connection with the clamping driving cylinder 2.

The movable frame 3 is arched, the clamping cylinder 51 is arranged outside one end of the movable frame 3, a plurality of linkage rods 23 are arranged on the inner side of the movable frame 3 around the axis of the clamping cylinder 51, the linkage rods 23 are in transverse sliding fit with the movable frame 3, the outer end of each linkage rod 23 extends out of one end of the movable frame 3 and is connected with the outer sleeve 52 through an end plate 53, and the inner end of each linkage rod 23 is connected with one linkage plate 22; the material clamping driving cylinder 2 is arranged outside the other end of the movable frame 3, and a piston rod (material clamping piston rod 21) of the material clamping driving cylinder 2 extends into the movable frame 3 and is connected with the center of the linkage plate 22; the material ejecting driving cylinder 4 is arranged in the movable frame 3 and is positioned in the range surrounded by the linkage rod 23. The bottom of adjustable shelf 3 is equipped with for bottom plate 31, and bottom plate 31 passes through the slide rail and transversely sliding fit with fixing base 101, and the bottom of bottom plate 31 is equipped with connecting plate 32, and material returned actuating cylinder 1's piston rod 11 is connected with connecting plate 32.

The drilling mechanism comprises a power drill bit Z, a moving frame and a mobile control motor, wherein the power drill bit Z is arranged on the moving frame, and the moving frame is linearly movably arranged on the supporting plate 102 and is in transmission connection with the mobile control motor through a lead screw transmission pair. In this embodiment, the pivot pin 70 requires three hole sites 701, so there are three positioning holes 61 of the die head 6, wherein the positioning holes 61 are uniformly distributed on the circumference and axially staggered with each other; the three drilling mechanisms are an upper drilling mechanism 40, a front drilling mechanism 60 and a rear drilling mechanism 50, and a drill bit of the drilling mechanism is inserted from a positioning hole 61 to drill a pivot pin 70 fixed in the die head 6.

The pressure of the feeding driving cylinder 7 is greater than that of the ejecting driving cylinder 4.

The working principle is as follows: referring to fig. 12, a certain number of pivot pins 70 are previously placed in the guide grooves of the stock guide 8, the pivot pins 70 are sequentially and automatically rolled downward due to the cylindrical shape and stopped by the stop plate 81, wherein the pivot pin 70 at the lowermost end is dropped on the discharging push arm 91 to control the extension of the piston rod of the discharging driving cylinder 9, the discharging push arm 91 moves in the arrow direction t1 to jack up the pivot pin at the lowermost end, and the pivot pin is dropped in the receiving positioning groove 83 in the arrow direction t2, as shown in fig. 13 and 10. As shown in fig. 10, the material returning driving cylinder 1 controls the chuck 5 to move in the direction of arrow T1, so that the chuck 5 approaches the die head 6, and further controls the chuck 5 to be in a loosened state; the ejection driving cylinder 4 controls the ejection rod 41 to extend out along the arrow direction T2, the feeding driving cylinder 7 is started, the feeding push rod 72 is controlled to move along the arrow direction T3, the pivot pin 70 is pushed into the clamping hole 511 and the feeding channel 62, and the pivot pin 70 can be positioned between the feeding push rod 72 and the ejection rod 41 because the pressure of the feeding driving cylinder 7 is greater than that of the ejection driving cylinder 4; the clamping driving cylinder 2 controls the outer sleeve 52 to move in the direction of the arrow T4, and the clamping hole 511 of the clamping cylinder 51 is narrowed so as to fix the pivot pin 70 (after the pivot pin 70 is fixed, the feeding driving cylinder 7 can control the feeding push rod 72 to reset). Then, the upper drilling mechanism 40, the front drilling mechanism 60, and the rear drilling mechanism 50 are activated to perform a drilling operation, so that a hole 701 is formed on the pivot pin 70, thereby completing the drilling process.

Finally, the material returning driving cylinder 1 controls the chuck 5 to move reversely along the arrow T1, and the material ejecting driving cylinder 4 controls the material ejecting rod 41 to move continuously in the arrow T2 direction, so as to eject the machined pivot pin 70 to wait for subsequent work.

The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration only, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined by the appended claims and their equivalents.

Claims

1. The utility model provides a pivot pin self-holding drilling equipment, includes frame (10), is equipped with chuck (5) that are used for clamping pivot pin (70) on frame (10) and is used for seting up the drilling mechanism of hole site (701) to pivot pin (70), its characterized in that: the automatic material pushing device is characterized in that a feeding channel (62) is arranged on the machine base (10) in the direction towards a clamping hole (511) of the chuck (5), the feeding channel (62) is connected with an automatic feeding mechanism (30) of an automatic pushing pivot pin (70), the chuck (5) is controlled to be clamped or loosened through a material clamping driving cylinder (2), an ejector rod (41) used for positioning and ejecting the pivot pin (70) is arranged in the chuck (5), the ejector rod (41) is in transmission connection with the ejector driving cylinder (4), the chuck (5) or the feeding channel (62) is movably matched with the machine base (10) in the axial direction of the clamping hole (511), and a material returning driving mechanism (20) is arranged on the machine base (10) and in transmission connection with the chuck (5) or the feeding channel (62) to control the chuck (5) or the feeding channel (62) to move in the axial direction of the clamping hole (511).

2. The pivot pin self-clamping drilling apparatus of claim 1, wherein: a support plate (102) is arranged on the machine base (10), a die head (6) is arranged on one side of the support plate (102), the die head (6) is transversely provided with the feeding channel (62), the feeding channel (62) leads to the other side of the support plate (102), a positioning hole (61) is formed in the periphery of the die head (6), and the positioning hole (61) leads to the feeding channel (62); the automatic feeding mechanism (30) is arranged on the other side of the supporting plate (102), the automatic feeding mechanism (30) comprises a material receiving bearing platform (82), a feeding driving cylinder (7), a material storage guide rail (8) and a material discharging driving cylinder (9), a material receiving positioning groove (83) with the top and two open ends is arranged on the material receiving bearing platform (82), one end of the material receiving positioning groove (83) is communicated with the feeding channel (62), the other end of the material receiving positioning groove (83) is provided with a feeding push rod (72) which moves transversely, and the feeding push rod (72) is in transmission connection with the feeding driving cylinder (7); the material storage guide rail (8) is obliquely arranged on one side of the material receiving bearing platform (82), a material discharging push arm (91) moving up and down is arranged between the lower end of the material storage guide rail (8) and the material receiving bearing platform (82), and the material discharging push arm (91) is in transmission connection with the material discharging driving cylinder (9).

3. The pivot pin self-clamping drilling apparatus of claim 2, wherein: the material storage guide rail (8) is of a channel steel type, and a guide groove for placing a pivot pin (70) is formed in a channel body of the material storage guide rail; the lower extreme of deposit guide rail (8) is close to connect material cushion cap (82) and with connect and be equipped with baffle (81) between material cushion cap (82), leave the hole of stepping down between the lower extreme of deposit guide rail (8) and baffle (81), the upper end of blowing push arm (91) is inserted and is stepped down downtheholely.

4. The pivot pin self-clamping drilling apparatus of claim 3, wherein: the feeding driving cylinder (7) is connected with the supporting plate (102) through a supporting frame (71); and a chip groove communicated with the positioning hole (61) is axially formed in the side wall of the feeding channel (62) of the die head (6).

5. The pivot pin self-clamping drilling apparatus of claim 2, wherein: the positioning holes (61) point in the radial direction and penetrate through the die head (6), more than two positioning holes (61) are arranged, and the positioning holes (61) are circumferentially distributed and axially staggered with each other; the drilling mechanism is arranged on the supporting plate (102) corresponding to the periphery of each positioning hole (61).

6. The pivot pin self-clamping drilling apparatus of claim 1, wherein: material returned actuating mechanism (20) are including material returned actuating cylinder (1), and material returned actuating cylinder (1) sets up through fixing base (101) on frame (10), be equipped with the edge on fixing base (101) the adjustable shelf (3) of the double-layered hole (511) axis direction removal of chuck (5), adjustable shelf (3) are connected with material returned actuating cylinder (1) transmission, chuck (5), press from both sides material actuating cylinder (2) and liftout actuating cylinder (4) all set up on adjustable shelf (3).

7. The pivot pin self-clamping drilling apparatus of claim 6, wherein: the chuck (5) comprises a clamping cylinder (51) and an outer sleeve (52), the clamping hole (511) is formed in the inner side of the clamping cylinder (51), a plurality of elastic slots (513) are axially formed in the side wall of the outer end of the clamping hole (511), the outer end of the clamping cylinder (51) is in an inverted cone shape, and the inner end of the clamping cylinder (51) is fixedly connected with the movable frame (3); the outer sleeve (52) is sleeved outside the clamping cylinder (51) and is in transmission connection with the clamping driving cylinder (2).

8. The pivot pin self-clamping drilling apparatus of claim 7, wherein: the movable frame (3) is arched, the clamping cylinder (51) is arranged outside one end of the movable frame (3), a plurality of linkage rods (23) are arranged on the inner side of the movable frame (3) around the axis of the clamping cylinder (51), the linkage rods (23) are in transverse sliding fit with the movable frame (3), the outer end of each linkage rod (23) extends out of one end of the movable frame (3) and is connected with the outer sleeve (52) through an end plate (53), and the inner end of each linkage rod (23) is connected with a linkage plate (22); the clamping driving cylinder (2) is arranged outside the other end of the movable frame (3), and a piston rod of the clamping driving cylinder (2) extends into the movable frame (3) and is connected with the center of the linkage plate (22); the material ejecting driving cylinder (4) is arranged in the movable frame (3) and is positioned in a range surrounded by the linkage rod (23).

9. The pivot pin self-clamping drilling apparatus of claim 2, wherein: the drilling mechanism comprises a power drill bit (Z), a moving frame and a mobile control motor, wherein the power drill bit (Z) is arranged on the moving frame, and the moving frame is linearly and movably arranged on the supporting plate (102) and is in transmission connection with the mobile control motor through a lead screw transmission pair.

10. The pivot pin self-clamping drilling apparatus of claim 2, wherein: the pressure of the feeding driving cylinder (7) is greater than that of the ejecting driving cylinder (4); or a limiting part for limiting the entering amount of the pivot pin (70) is arranged in the clamp hole (511) of the clamp head (5).