CN215546559U - Automatic needle mounting mechanism - Google Patents
Automatic needle mounting mechanism Download PDFInfo
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- CN215546559U CN215546559U CN202121428136.4U CN202121428136U CN215546559U CN 215546559 U CN215546559 U CN 215546559U CN 202121428136 U CN202121428136 U CN 202121428136U CN 215546559 U CN215546559 U CN 215546559U
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- 210000000078 claw Anatomy 0.000 claims description 32
- 238000003780 insertion Methods 0.000 claims description 2
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- 238000004519 manufacturing process Methods 0.000 description 2
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- 230000004048 modification Effects 0.000 description 2
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- 238000012163 sequencing technique Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of automatic equipment, in particular to an automatic needle mounting mechanism which comprises a needle feeding assembly, a needle pushing assembly, a needle arranging assembly and a needle discharging assembly, wherein the needle feeding assembly is arranged on the needle feeding assembly; the upper needle assembly is provided with a group of needle guide holes and a needle storage groove, and the needle guide holes guide the rolling needles conveyed by the external rolling needle conveying mechanism into the needle storage groove; after a push rod of the needle pushing assembly is driven, pushing the rolling needles in the needle storage groove into the needle arranging assembly; the needle arranging assembly is provided with a hollow block, a main shaft inserted into a needle arranging hole of the hollow block and a first driving telescopic pushing sleeve, a rolling needle is pushed by a pushing rod to enter an annular cavity between the main shaft and the wall of the needle arranging hole to be arranged into a ring, and the looped rolling needle is pushed into the needle outlet assembly by the first pushing sleeve; the needle outlet assembly is provided with a driven telescopic sleeve, a central shaft extending into the sleeve and stretching together with the sleeve, and a driven telescopic second push sleeve, wherein the looped roller needles are pushed into an annular cavity between the central shaft and the sleeve by the first push sleeve and then pushed into a bearing workpiece by the second push sleeve.
Description
Technical Field
The utility model relates to the technical field of automation equipment, in particular to an automatic needle mounting mechanism.
Background
When bearing or cross axle universal joint axle sleeve assembly kingpin at present, adopt automatic dress needle machine to assemble mostly, like the automatic dress needle machine that china utility model CN01210727.1 disclosed, be by the motor through drive mechanism with locate the upper cover of dress needle funnel, the dabber in the drive dress needle funnel below is equipped with the carousel, fixes being equipped with the overcoat on it, and be equipped with the cover in the overcoat and arrange the epaxial die sleeve of dabber in, its upper opening portion with constitute an annular of arranging the looks adaptation with the kingpin between the dabber.
The existing automatic needle installing machine has the defects that: 1. the motor and the transmission belt are used for driving the crank rocker mechanism, a rocker of the crank rocker mechanism swings back and forth quickly, the blanking and sequencing of the roller pins are carried out by utilizing the vibration characteristic of the crank rocker mechanism, the vibration frequency is high, and the noise is large; 2. in the process of blanking and sequencing of the roller pins, the roller pins cannot be fully discharged due to material blockage, so that the subsequent roller pins are not installed; 3. after the rolling needles are sorted, the bearing outer ring or the shaft sleeve needs to be manually sleeved on the sorted rolling needles, the rolling needles are easily lost due to improper operation methods, and the efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the background technology, and provides an automatic needle mounting mechanism which can reduce vibration noise, avoid the conditions of needle roller missing discharge and needle roller missing mounting, realize full automation, save manual assembly operation and improve needle mounting efficiency.
The technical scheme adopted by the utility model is as follows:
an automatic needle mounting mechanism comprises an upper needle assembly, a push needle assembly, a needle arrangement assembly and a needle outlet assembly which are arranged on a rack through a basic mounting plate; the upper needle assembly is provided with a group of needle guide holes and a needle storage groove, and the needle guide holes guide the rolling needles conveyed by the external rolling needle conveying mechanism into the needle storage groove; after a push rod of the needle pushing assembly is driven, pushing the rolling needles in the needle storage groove into the needle arranging assembly; the needle arranging assembly is provided with a hollow block, a main shaft inserted into a needle arranging hole of the hollow block and a first driving telescopic pushing sleeve, a rolling needle is pushed by a pushing rod to enter an annular cavity between the main shaft and the wall of the needle arranging hole to be arranged into a ring, and the looped rolling needle is pushed into the needle outlet assembly by the first pushing sleeve; the needle outlet assembly is provided with a driven telescopic sleeve, a central shaft extending into the sleeve and stretching together with the sleeve, and a driven telescopic second push sleeve, wherein the looped roller needles are pushed into an annular cavity between the central shaft and the sleeve by the first push sleeve and then pushed into a bearing workpiece by the second push sleeve.
In a further scheme, the upper needle assembly comprises a needle roller guide block, a return block, a telescopic block, a first comb claw, a second comb claw and a first cylinder;
the square-shaped block is fixed on the base mounting plate, a rectangular through hole in the middle of the square-shaped block is arranged along the front-back direction, a group of fixed comb claws are arranged on the front surface of an upper frame between the rectangular through hole and the top surface of the square-shaped block, gaps between adjacent comb teeth of the fixed comb claws form guide grooves of roller needles, and steps are arranged on the front surface of a lower frame between the rectangular through hole and the bottom surface of the square-shaped block;
the needle roller guide block is fixed on the top surface of the return block, the needle roller guide block is provided with the group of needle guide holes which are arranged at equal intervals along the left-right direction, and the needle guide holes correspond to the guide grooves one by one;
the lower end of the first comb claw is fixed on the step of the return block, so that a movable space of the second comb claw is formed between the first comb claw and the front surface of the return block, a group of comb teeth extending towards one side of the rectangular through hole are formed at the upper end of the first comb claw, and gaps between adjacent comb teeth correspond to the guide grooves one by one;
the telescopic block is in sliding fit in the rectangular through hole of the return block and is connected with a first air cylinder to be driven by the first air cylinder, the needle storage groove is formed in one side, close to the upper frame of the return block, of the front face of the telescopic block, and the first air cylinder is fixed to the back face of the base mounting plate through a first air cylinder mounting frame;
the lower extreme of second comb claw is fixed in the front of flexible piece, and the upper end system has a set of broach towards fixed comb claw extension, and the broach of second comb claw inserts in the broach clearance of first comb claw one by one.
In a further scheme, the push needle assembly is arranged on the left side of the upper needle assembly and comprises a second cylinder, the push rod, a linear guide rail and a slide block matched with the linear guide rail; linear guide, second cylinder are all fixed on the basis mounting panel, with store up the collinear arrangement of needle groove, the ejector pin and the slider of second cylinder are connected, and push rod and linear guide parallel arrangement, the one end of push rod are fixed on the slider, and the other end is towards store up the left end that the needle groove was overhung and inserted and store up the needle groove.
In a further scheme, the pin header assembly is arranged on the right side of the upper pin assembly and comprises a stepping motor, a coupler, the main shaft, the hollow block, a third cylinder, a push plate and the first push sleeve; the needle storage groove is fixedly arranged at the left end of the needle storage groove, the needle discharge hole is fixedly arranged at the right end of the needle storage groove, and the needle discharge hole is fixedly arranged at the right end of the needle storage groove; the third cylinder is fixed on the side surface of the main shaft, a push plate is fixed on a top rod of the cylinder, the first push sleeve is fixed at the bottom of the push plate, and the first push sleeve is sleeved on the main shaft and extends into an annular cavity between the main shaft and the wall of the pin header hole; and the main shaft, the pin arranging holes and the push sleeve are coaxially arranged along the vertical direction.
According to the further scheme, the hollow block is provided with a mounting groove which is communicated with the needle roller passage from the front outer wall, a movable block is inserted into the mounting groove, the movable block extends into two bevels at one end of the mounting groove, and a spring is arranged between the other end of the movable block and a support fixed by the front outer wall of the hollow block.
In a further scheme, the needle outlet assembly is arranged below the needle arranging assembly and comprises a mounting frame, a bearing, a mounting block, a fourth cylinder, a fifth cylinder, a 90-degree rotary cylinder, the central shaft, the sleeve and the second pushing sleeve; the mounting frame is fixed on the base mounting plate, the 90-degree rotary cylinder is fixed on the mounting frame along the left-right direction, and the mounting block is fixed on a rotating rod of the 90-degree rotary cylinder; the mounting block is fixed with the fourth cylinder, a mandril of the fourth cylinder is arranged upwards and is connected with a mounting plate of the fifth cylinder, the lower end of the central shaft and the lower end of the sleeve are fixed on the mounting plate of the fifth cylinder through flanges, and the central shaft and the main shaft are coaxial; and the ejector rod of the fifth cylinder is upwards arranged and fixedly connected with the second push sleeve, and the second push sleeve is inserted into the annular cavity between the central shaft and the sleeve.
In a further scheme, an O-shaped ring is arranged on the central shaft.
Further scheme, it is fixed through a plurality of spokes between center pin and its flange, the space between center pin and the flange hole does the passageway of second sliding sleeve, and the second sliding sleeve sets up the groove of dodging with spoke one-to-one along the axial.
In a further scheme, the upper end of the central shaft is provided with a positioning hole, and the lower end of the main shaft is provided with a positioning head which is in insertion fit with the positioning hole.
The utility model has the beneficial effects that:
(1) the utility model greatly reduces the vibration noise;
(2) the utility model realizes full-automatic assembly, saves manual assembly link, greatly improves assembly efficiency, improves assembly tempo by 20 percent compared with manual semi-automatic assembly tempo according to actual production statistics, and improves yield by 43 percent in the total production of a single shift;
(3) the utility model utilizes the matching of all comb claws to form a mechanism similar to a door entering-closing mechanism, can accurately arrange the roller pins to a specified position according to the designed quantity, and can avoid the interference of the roller pins of the rear row on the roller pins of the front row;
(4) the whole mechanism is continuous and compact, the stability is high, and the conditions of missing row and missing needle roller mounting do not exist in the mechanism, so that the needle mounting stability can be greatly improved.
Drawings
FIG. 1 is one of the overall assembly structure diagrams of the present invention.
FIG. 2 is a second general assembly configuration of the present invention.
FIG. 3 is an assembled block diagram of the upper needle assembly.
Fig. 4 is an exploded view of the upper needle assembly.
FIG. 5 is a cross-sectional block diagram of the needle park assembly and needle ejection assembly.
Fig. 6 is an internal structure diagram of the assembled state of the main shaft and the hollow block.
Fig. 7 is a schematic view of the assembly of the needle roller and the bearing workpiece.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples, but the present invention is not limited to the following examples, so that the objects, solutions and advantages of the present invention can be more clearly understood by those skilled in the art.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified and limited, specific meanings of the general terms in the present invention may be specifically understood by those skilled in the art.
As shown in fig. 1 and 2, the automatic needle mounting mechanism provided by the utility model comprises an upper needle assembly, a push needle assembly, a needle arrangement assembly and a needle outlet assembly which are arranged on a frame through a base mounting plate 21. The upper needle assembly is provided with a set of needle guide holes 45 and a needle storage groove 49, and the needle guide holes 45 guide the needle rollers 34 conveyed by the external needle roller conveying mechanism into the needle storage groove 49. The push rod 8 of the push pin assembly is driven to push the needle roller 34 in the needle storage groove 49 into the needle arranging assembly. The needle arranging assembly is provided with a hollow block 23, a main shaft 12 inserted into a needle arranging hole 38 of the hollow block 23 and a first driving telescopic sleeve 14, a rolling needle 34 is pushed by a push rod 8 to enter an annular cavity between the main shaft 12 and the wall of the needle arranging hole 38 and is arranged into a ring, and the ring-formed rolling needle 34 is pushed into the needle extracting assembly by the first sleeve 14. The needle outlet assembly is provided with a driven telescopic sleeve 16, a central shaft 15 which extends into the sleeve 16 and is telescopic therewith, and a driven telescopic second push sleeve 17, and the looped needle roller 34 is pushed into an annular cavity between the central shaft 15 and the sleeve 16 by the first push sleeve 14 and then pushed into the bearing by the second push sleeve 17.
Specifically, as shown in fig. 3 and 4, the upper needle assembly comprises a needle roller guide block 1, a clip block 2, a telescopic block 3, a first comb jaw 4, a second comb jaw 5 and a first air cylinder 6.
The square-shaped block 2 is fixed on the base mounting plate 21, a rectangular through hole 47 in the middle is arranged along the front-back direction, a group of fixed comb claws 48 are arranged on the front surface of an upper frame between the rectangular through hole 47 and the top surface of the square-shaped block 2, gaps between adjacent comb teeth of the fixed comb claws 48 form guide grooves of roller needles, and a step 46 is arranged on the front surface of a lower frame between the rectangular through hole 47 and the bottom surface of the square-shaped block 2.
The needle roller guide block 1 is fixed on the top surface of the return block 2, the needle roller guide block 1 is provided with the group of needle guide holes 45 which are arranged at equal intervals along the left-right direction, and the needle guide holes 45 correspond to the guide grooves one by one.
The lower end of the first comb jaw 4 is fixed on the step 46 of the return block 2, so that a moving space of the second comb jaw 5 is formed between the first comb jaw 4 and the front surface of the return block 2, a group of comb teeth 43 extending towards one side of the rectangular through hole 47 is formed at the upper end of the first comb jaw 4, and gaps between adjacent comb teeth 43 correspond to the guide grooves one by one.
The telescopic block 3 is in sliding fit with the rectangular through hole 47 of the clip block 2 and is driven by the ejector rod of the first cylinder 6 through the T-shaped block 50, the needle storage groove 49 is formed in one side, close to the upper frame of the clip block 2, of the front face of the telescopic block 3, and the first cylinder 6 is fixed on the back face of the base mounting plate 21 through the first cylinder mounting frame 28. As shown in FIG. 4, the returning block 2 is formed with fixing grooves 44 at both ends of the rectangular through hole 47 to be butted against the needle storage groove 49
The lower end of the second comb jaw 5 is fixed on the front surface of the telescopic block 3, the upper end is provided with a group of comb teeth 43 extending towards the fixed comb jaw 48, and the comb teeth 43 of the second comb jaw 5 are inserted into the gaps of the comb teeth 43 of the first comb jaw 4 one by one.
As shown in fig. 1 and 2, the push pin assembly is disposed on the left side of the upper pin assembly, and includes a second cylinder 7, the push rod 8, a linear guide 42, and a slider 9 engaged therewith. Linear guide 42 is fixed on basic mounting panel 21, and second cylinder 7 passes through cylinder support 29 to be fixed on basic mounting panel 21, linear guide 42, second cylinder 7 all with needle storage groove 49 is with the linear arrangement, and the ejector pin and the slider 9 of second cylinder 7 are connected, and push rod 8 and linear guide 42 parallel arrangement, the one end of push rod 8 are fixed on slider 9, and the other end is towards needle storage groove 49 overhang and insert the left end of needle storage groove 49, perhaps needle storage groove 49 left end's fixed slot 44.
As shown in fig. 1, 2, 5 and 6, the pin header assembly is disposed at the right side of the upper pin assembly, and includes a stepping motor 10, a coupling 11, the spindle 12, the hollow block 23, a third cylinder 13, a push plate 31 and the first push sleeve 14. Step motor 10 passes through motor mounting panel 26 to be fixed on basic mounting panel 21, main shaft 12 passes through main shaft support 32 to be installed on basic mounting panel 21, and main shaft 12 passes through shaft coupling 11 and step motor 10's output shaft, cavity piece 23 is fixed at the right-hand member of returning the piece 2 to the system has the intercommunication store up the kingpin passageway 37 of needle groove 49 right-hand member and row needle hole 38 left end. The third cylinder 13 is fixed on the side surface of the main shaft 12 through a cylinder positioning seat 27, a push plate 31 is fixed on a top rod of the cylinder, the first push sleeve 14 is fixed at the bottom of the push plate 31, and the first push sleeve 14 is sleeved on the main shaft 12 and extends into an annular cavity between the main shaft 12 and the hole wall of the pin header hole 38. And the main shaft 12, the pin arranging holes 38 and the push sleeve are coaxially arranged along the vertical direction.
The hollow block 23 is provided with a mounting groove penetrating from the outer wall of the front face to the needle roller channel 37, a movable block 36 is inserted into the mounting groove, the two sides of one end, extending into the mounting groove, of the movable block 36 are chamfered, the needle rollers can push the movable block 36 open conveniently, and a spring 35 is arranged between the other end of the movable block 36 and the support 24 fixed on the outer wall of the front face of the hollow block 23.
As shown in fig. 1, 2 and 5, the needle discharging assembly is disposed below the needle arranging assembly, and includes a mounting frame 22, a bearing 25, a mounting block 30, a fourth cylinder 19, a fifth cylinder 18, a 90 ° rotary cylinder 20, the central shaft 15, the sleeve 16 and the second push sleeve 17. The mounting bracket 22 is fixed on the base mounting plate 21, the 90-degree rotary cylinder 20 is fixed on the mounting bracket 22 along the left-right direction, and the mounting block 30 is fixed on a rotating rod of the 90-degree rotary cylinder 20. The fourth cylinder 19 is fixed on the mounting block 30, the top rod of the fourth cylinder 19 is arranged upwards and is connected with the mounting plate 33 of the fifth cylinder 18, the lower end of the central shaft 15 and the lower end of the sleeve 16 are fixed on the mounting plate 33 of the fifth cylinder 18 through flanges 39, and the central shaft 15 is coaxial with the main shaft 12. The top rod of the fifth cylinder 18 is arranged upwards and fixedly connected with the second push sleeve 17, and the second push sleeve 17 is inserted into the annular cavity between the central shaft 15 and the sleeve 16.
The center pin 15 is fixed with its flange 39 through a plurality of spokes, and the space between center pin 15 and the flange 39 hole does the passageway of second sliding sleeve, and the second sliding sleeve has seted up along the axial and has dodged the groove with spoke one-to-one. In the figures, the relief groove and the spokes are not visible. The upper end of the central shaft 15 is provided with a positioning hole 40, and the lower end of the main shaft 12 is provided with a positioning head 41 which is inserted and matched with the positioning hole 40, so that when the first push sleeve 14 pushes out the looped roller pins 34 after needle arrangement, the main shaft 12 and the central shaft 15 can be coaxial.
The working principle of the utility model is as follows:
the external needle roller conveying mechanism firstly conveys the needle rollers with set quantity and set size into the needle guide holes 45 of the needle roller guide block 1 by applying vibration and the gravity action of the needle rollers, when the first air cylinder 6 is in a limit extension state, the telescopic block 3 is pushed to be in an extension state, the needle rollers 34 can be pushed into a needle storage groove between the telescopic block 3 and the second comb claw 5 in rows by the gravity of the subsequently arranged needle rollers, then the first air cylinder 6 returns to a contraction state, the second air cylinder 7 acts, the arranged needle rollers are pushed into the hollow block 23 by the push rod 8, and the movable block 36 plays a role of buffering the impact of the needle rollers 34 on the main shaft 12 under the action of the spring 35.
When the second cylinder 7 acts, the stepping motor 10 drives the spindle 12 to rotate anticlockwise through the coupler 11, so that the roller pins 34 can enter an annular cavity formed by the spindle 12 and the hole walls of the pin row holes 38 more smoothly, then the second cylinder 7 retracts to prepare for completing the next extending action, the first cylinder 6 extends, and the next roller pin row enters a pin storage groove 49 formed by the telescopic block 3 and the second comb claw 5 to be pushed by the push rod 8 for the next time, and the pin feeding and the pin pushing move back and forth.
When the arranged roller pins are pushed into the annular cavity of the hollow block 23, the roller pins 34 are arranged into an annular shape, at the moment, the 90-degree rotating cylinder 20 drives the central shaft 15 to enable the axis of the central shaft 15 to be coincident with the axes of the main shaft 12 and the first push sleeve 14, at the moment, the fourth cylinder 19 is in an extending state, at the moment, the fifth cylinder 18 is in a contracting state, the third cylinder 13 pushes the roller pins 34 arranged into the annular shape into the annular cavity formed by the central shaft 15 and the sleeve 16 through the push plate 13 and the first push sleeve 14, and an O-shaped ring is arranged on the outer wall of the central shaft 15 and used for clamping the roller pins to prevent the roller pins 34 from being thrown out when the 90-degree rotating cylinder 20 rotates. Then the fourth cylinder 19 is operated to be in a contraction limit state, then the 90-degree rotating cylinder 20 is operated to rotate 90 degrees, so that the sleeve 16, the second push sleeve 17, the fifth cylinder 18 and the fourth cylinder 19 are also rotated 90 degrees through the bearing 25, then the fourth cylinder 19 is operated to extend to a limit position, the fifth cylinder 18 is operated to extend to a limit position, the second push sleeve 17 is used for pushing the circular needle-mounting roller in the annular cavity formed by the central shaft 15 and the sleeve 16 into the bearing workpiece 51, so that the assembly of the needle roller 34 is completed, and the bearing workpiece 51 with the needle roller 34 assembled is shown in fig. 7.
The needle roller guide block comprises a first comb claw 4, a second comb claw 5, a first air cylinder 6, a telescopic block 3, a square-shaped block 2 and a needle roller guide block 1, and is similar to a door-in and door-closing mechanism, so that the needle rollers 34 can be accurately and completely arranged to designated positions according to the designed number, and meanwhile, the interference of the rear-row needle rollers 34 on the front-row needle rollers 34 can be avoided.
The total quantity N of the assembled needle rollers 34, the diameter phi of each needle roller and the length L of each needle roller can be changed within a certain range by changing the sizes of parts in the needle mounting mechanism, so that the full-automatic assembly of the needle rollers with different specifications can be met.
The above description is only a preferred embodiment of the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides an automatic dress needle mechanism which characterized in that: comprises an upper needle assembly, a push needle assembly, a needle arrangement assembly and a needle outlet assembly which are arranged on a frame through a basic mounting plate (21); the upper needle assembly is provided with a group of needle guide holes (45) and a needle storage groove (49), and the needle guide holes (45) guide the needle rollers (34) conveyed by the external needle roller conveying mechanism into the needle storage groove (49); after a push rod (8) of the push pin assembly is driven, the rolling pins (34) in the pin storage groove (49) are pushed into the pin arranging assembly; the needle arrangement assembly is provided with a hollow block (23), a main shaft (12) inserted into a needle arrangement hole (38) of the hollow block (23) and a first driving telescopic push sleeve (14), a needle roller (34) is pushed by a push rod (8) to enter an annular cavity between the main shaft (12) and the wall of the needle arrangement hole (38) to be arranged into a ring, and the looped needle roller (34) is pushed into the needle outlet assembly by the first push sleeve (14); the needle outlet assembly is provided with a driven telescopic sleeve (16), a central shaft (15) extending into the sleeve (16) and stretching together with the sleeve, and a driven telescopic second push sleeve (17), wherein the looped needle roller (34) is pushed into an annular cavity between the central shaft (15) and the sleeve (16) by the first push sleeve (14) and then pushed into a bearing workpiece (51) by the second push sleeve (17).
2. An automatic needle mounting mechanism as claimed in claim 1, wherein: the upper needle assembly comprises a needle roller guide block (1), a clip block (2), a telescopic block (3), a first comb claw (4), a second comb claw (5) and a first cylinder (6);
the square-shaped block (2) is fixed on the basic mounting plate (21), a rectangular through hole (47) in the middle of the square-shaped block is arranged along the front-back direction, a group of fixed comb claws (48) are arranged on the front surface of an upper frame between the rectangular through hole (47) and the top surface of the square-shaped block (2), gaps between adjacent comb teeth of the fixed comb claws (48) form guide grooves of roller pins, and a step (46) is arranged on the front surface of a lower frame between the rectangular through hole (47) and the bottom surface of the square-shaped block (2);
the needle roller guide block (1) is fixed on the top surface of the return block (2), the needle roller guide block (1) is provided with a group of needle guide holes (45) which are arranged at equal intervals along the left-right direction, and the needle guide holes (45) correspond to the guide grooves one by one;
the lower end of the first comb claw (4) is fixed on the step (46) of the return block (2), so that a movable space of the second comb claw (5) is formed between the first comb claw (4) and the front surface of the return block (2), a group of comb teeth (43) extending towards one side of the rectangular through hole (47) are formed at the upper end of the first comb claw (4), and gaps between adjacent comb teeth (43) correspond to the guide grooves one by one;
the telescopic block (3) is in sliding fit with the rectangular through hole (47) of the return block (2) and is connected with the first air cylinder (6) to be driven by the first air cylinder, the needle storage groove (49) is formed in one side, close to the upper edge frame of the return block (2), of the front face of the telescopic block (3), and the first air cylinder (6) is fixed to the back face of the base mounting plate (21) through a first air cylinder mounting frame (28);
the lower end of the second comb claw (5) is fixed on the front surface of the telescopic block (3), the upper end of the second comb claw is provided with a group of comb teeth (43) extending towards the fixed comb claw (48), and the comb teeth (43) of the second comb claw (5) are inserted into the gaps of the comb teeth (43) of the first comb claw (4) one by one.
3. An automatic needle mounting mechanism as claimed in claim 1 or 2, wherein: the push needle assembly is arranged on the left side of the upper needle assembly and comprises a second cylinder (7), the push rod (8), a linear guide rail (42) and a sliding block (9) matched with the linear guide rail; linear guide (42), second cylinder (7) are all fixed on basis mounting panel (21), with store up needle groove (49) with the inline, the ejector pin and slider (9) of second cylinder (7) are connected, push rod (8) and linear guide (42) parallel arrangement, and the one end of push rod (8) is fixed on slider (9), and the other end is towards store up needle groove (49) overhang and insert the left end that stores up needle groove (49).
4. An automatic needle mounting mechanism as claimed in claim 3, wherein: the pin arranging assembly is arranged on the right side of the upper pin assembly and comprises a stepping motor (10), a coupler (11), the main shaft (12), the hollow block (23), a third air cylinder (13), a push plate (31) and the first push sleeve (14); the stepping motor (10) is fixed on the base mounting plate (21) through a motor mounting plate (26), the spindle (12) is connected with an output shaft of the stepping motor (10) through a coupler (11), the hollow block (23) is fixed at the right end of the return block (2), and a needle roller channel (37) communicating the right end of the needle storage groove (49) with the left end of the needle discharging hole (38) is formed; the third cylinder (13) is fixed on the side surface of the main shaft (12), a push plate (31) is fixed on a top rod of the cylinder, the first push sleeve (14) is fixed at the bottom of the push plate (31), and the first push sleeve (14) is sleeved on the main shaft (12) and extends into an annular cavity between the main shaft (12) and the wall of the pin header hole (38); and the main shaft (12), the pin arranging holes (38) and the push sleeve are coaxially arranged along the vertical direction.
5. An automatic needle mounting mechanism as claimed in claim 4, wherein: the hollow block (23) is provided with a mounting groove penetrating through the needle roller channel (37) from the outer wall of the front side, a movable block (36) is inserted into the mounting groove, two bevel angles on two sides of one end, extending into the mounting groove, of the movable block (36), and a spring (35) is arranged between the other end of the movable block (36) and the support (24) fixed to the outer wall of the front side of the hollow block (23).
6. An automatic needle mounting mechanism as claimed in claim 4, wherein: the needle outlet assembly is arranged below the needle arranging assembly and comprises a mounting frame (22), a bearing (25), a mounting block (30), a fourth cylinder (19), a fifth cylinder (18), a 90-degree rotating cylinder (20), the central shaft (15), the sleeve (16) and the second push sleeve (17); the mounting rack (22) is fixed on the base mounting plate (21), the 90-degree rotary cylinder (20) is fixed on the mounting rack (22) along the left-right direction, and the mounting block (30) is fixed on a rotating rod of the 90-degree rotary cylinder (20); the fourth cylinder (19) is fixed on the mounting block (30), the ejector rod of the fourth cylinder (19) is arranged upwards and is connected with the mounting plate (33) of the fifth cylinder (18), the lower end of the central shaft (15) and the lower end of the sleeve (16) are fixed on the mounting plate (33) of the fifth cylinder (18) through flanges (39), and the central shaft (15) and the main shaft (12) are coaxial; the ejector rod of the fifth cylinder (18) is arranged upwards and fixedly connected with the second push sleeve (17), and the second push sleeve (17) is inserted into an annular cavity between the central shaft (15) and the sleeve (16).
7. An automatic needle mounting mechanism as claimed in claim 6, wherein: an O-shaped ring is arranged on the central shaft (15).
8. An automatic needle mounting mechanism as claimed in claim 6, wherein: the center pin (15) is fixed with its flange (39) through a plurality of spokes, and the space between center pin (15) and flange (39) hole is the passageway of second sliding sleeve, and the second sliding sleeve has seted up the groove of dodging with spoke one-to-one along the axial.
9. An automatic needle mounting mechanism as claimed in claim 8, wherein: the upper end of the central shaft (15) is provided with a positioning hole (40), and the lower end of the main shaft (12) is provided with a positioning head (41) which is in insertion fit with the positioning hole (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121428136.4U CN215546559U (en) | 2021-06-25 | 2021-06-25 | Automatic needle mounting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121428136.4U CN215546559U (en) | 2021-06-25 | 2021-06-25 | Automatic needle mounting mechanism |
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| CN215546559U true CN215546559U (en) | 2022-01-18 |
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| CN202121428136.4U Withdrawn - After Issue CN215546559U (en) | 2021-06-25 | 2021-06-25 | Automatic needle mounting mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113352083A (en) * | 2021-06-25 | 2021-09-07 | 万向钱潮股份有限公司 | Automatic needle mounting mechanism |
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2021
- 2021-06-25 CN CN202121428136.4U patent/CN215546559U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113352083A (en) * | 2021-06-25 | 2021-09-07 | 万向钱潮股份有限公司 | Automatic needle mounting mechanism |
| CN113352083B (en) * | 2021-06-25 | 2024-06-07 | 万向钱潮股份公司 | Automatic needle loading mechanism |
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| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: 311215 Wanxiang Road, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee after: Wanxiang Qianchao Co.,Ltd. Patentee after: WANXIANG GROUP Co.,Ltd. Address before: No.1 Wanxiang Road, Xiaoshan Economic and Technological Development Zone, Hangzhou City, Zhejiang Province Patentee before: WANXIANG QIANCHAO Co.,Ltd. Patentee before: WANXIANG GROUP Co.,Ltd. |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20220118 Effective date of abandoning: 20240607 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20220118 Effective date of abandoning: 20240607 |