CN113458756B - Efficient automatic needle loading mechanism - Google Patents
Efficient automatic needle loading mechanism Download PDFInfo
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- CN113458756B CN113458756B CN202110801780.XA CN202110801780A CN113458756B CN 113458756 B CN113458756 B CN 113458756B CN 202110801780 A CN202110801780 A CN 202110801780A CN 113458756 B CN113458756 B CN 113458756B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 25
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 1
- 238000005096 rolling process Methods 0.000 description 12
- 239000003921 oil Substances 0.000 description 10
- 230000007547 defect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/027—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/001—Article feeders for assembling machines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C43/00—Assembling bearings
- F16C43/04—Assembling rolling-contact bearings
- F16C43/06—Placing rolling bodies in cages or bearings
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Automatic Assembly (AREA)
Abstract
The invention relates to the technical field of automatic equipment, in particular to a high-efficiency automatic needle loading mechanism which comprises a frame, at least one shaft sleeve feeding component, at least one blanking component, a needle loading component, a needle pushing component and at least one thimble component, wherein the top of the frame is horizontally provided with a square base; vibration noise can be reduced, the situations of leakage discharge and needle roller missing are avoided, full automation is realized, manual assembly operation is omitted, and needle mounting efficiency is improved.
Description
Technical Field
The invention relates to the technical field of automatic equipment, in particular to a high-efficiency automatic needle loading mechanism.
Background
At present, when a bearing or a universal joint shaft sleeve is assembled with a needle roller, an automatic needle loading machine is mostly adopted for assembly, such as an automatic needle loading machine disclosed in China invention CN01210727.1, is characterized in that a motor drives a mandrel in a needle loading funnel through a transmission mechanism and an upper cover arranged on the needle loading funnel, a rotary table is arranged below the needle loading funnel, an outer sleeve is fixedly arranged on the rotary table, a die sleeve sleeved on the mandrel is arranged in the outer sleeve, and a ring groove matched with the arrangement of the needle roller is formed between an upper opening part of the die sleeve and the mandrel.
The defects of the existing automatic needle loading machine are that: 1. the motor and the driving belt are used for driving the crank rocker mechanism, the rockers of the crank rocker mechanism swing back and forth rapidly, the vibration characteristics of the rockers are used for blanking and sequencing the needle rollers, the vibration frequency is high, and the noise is high; 2. in the blanking and sorting process of the rolling pins, the situation that the rolling pins cannot be fully arranged due to material clamping exists, so that subsequent rolling pins are neglected to be assembled; 3. after the needle rollers are ordered, the outer ring or the shaft sleeve of the bearing is sleeved on the ordered needle rollers manually, the needle rollers are easy to lose due to improper operation methods, and the efficiency is low.
Disclosure of Invention
The invention aims to overcome the defects in the background technology, and provides an efficient automatic needle loading mechanism which can reduce vibration noise, avoid the conditions of missing discharge and missing needle loading, realize full automation, omit manual assembly operation and improve needle loading efficiency.
The technical scheme adopted by the invention is as follows:
An efficient automatic needle loading mechanism comprises a frame, at least one shaft sleeve feeding component, at least one blanking component, a needle loading component, a push needle component and at least one thimble component, wherein the top of the frame is horizontally provided with a square base;
The shaft sleeve feeding assembly comprises a feeding groove, an upward pushing cylinder and a pushing block; the opening of the feeding groove is arranged upwards, the groove width is adapted to the diameter of the shaft sleeve, a vertical downward through hole is formed in the groove bottom, the pushing block can be matched in the through hole in an up-down sliding manner, and the upward pushing cylinder is fixed at the bottom of the feeding groove and connected with the pushing block;
the blanking assembly comprises a blanking pipeline and a fixed block, wherein the blanking pipeline is vertically fixed on the upper side of the square base, the fixed block is fixed on the top surface of the square base, a fixed pipe which penetrates through the top surface and the bottom surface of the fixed block is vertically fixed on the fixed block, and the lower end of the blanking pipeline is connected with the fixed pipe;
The needle assembly comprises a central needle mounting hole formed in the center of the square base, a central column vertically inserted into the central needle mounting hole and a stepping motor driving the central column to rotate, a distance between the outer wall of the lower section of the central column and the central needle mounting hole is kept as an annular groove for arranging needle rollers, the lower end of the central column extends out of the bottom surface of the square base for a distance, the upper end of the central column is mounted on a mounting seat through a bearing, the mounting seat is horizontally fixed on the square base through two upright posts and is placed on the square base, the stepping motor is mounted on the mounting seat, and the stepping motor drives the central column to rotate through a synchronous belt and a belt wheel;
The push pin assembly comprises a push sleeve, guide rods, a connecting block and a downward pushing cylinder, wherein the downward pushing cylinder is vertically arranged at the top end of the upright post through a fixed seat, a push rod of the downward pushing cylinder is vertically downwards arranged and connected with the connecting block, the connecting block is connected with at least two guide rods, the guide rods are vertically arranged and downwards penetrate through guide holes in the mounting seat and then are connected with the push sleeve, and the push sleeve is sleeved on the central post and is matched with the annular groove;
The thimble assembly is including seting up needle groove, kicking block and the horizontal promotion cylinder on square base, and the needle groove is located the fixed pipe below of unloading subassembly, and the vertical range of kingpin is in the needle groove, and the width of needle groove suits with the diameter of kingpin, and the degree of depth suits with the length of kingpin, and the needle groove outwards extends from the ring channel, and the outer end of needle groove is equipped with the kicking block, and the inner system of kicking block has the top that suits with the needle groove, and the outer end and the ejector pin of horizontal promotion cylinder of kicking block are connected, and the cylinder body of horizontal promotion cylinder is fixed at square base's side.
Further scheme, axle sleeve pay-off subassembly still includes the at least three reference column of overhang fixed in square base bottom surface, and each reference column is evenly arranged around the central pinhole in square base center, and the distance between reference column and the central pinhole axis suits with the external diameter of axle sleeve.
According to a further scheme, the blanking pipeline is made of springs, and the inner diameter of each spring is matched with the diameter of each needle roller.
Further, an annular proximity switch for detecting the needle roller is arranged on the blanking pipeline.
Further, at least one guide groove perpendicular to the needle groove in the horizontal plane is formed in the side face of the needle groove, a tightening block is arranged in the guide groove, one end of the tightening block, facing the needle groove, is made into a cylindrical surface which is suitable for the outer wall of the needle roller, and the other end of the tightening block abuts against the tightening spring.
Further, the inner end of the center is made into a cylindrical surface which is suitable for the outer wall of the needle roller.
In a further scheme, the needle groove is provided with a needle inlet which corresponds to the fixing tube up and down, and the aperture of the needle inlet is larger than the inner diameter of the needle roller.
Further, one side of the fixed block, which is close to the center of the square base, is provided with an arc-shaped opening in clearance fit with the outer wall of the push sleeve.
Further, a circle of inward concave cylindrical grooves are uniformly formed in the outer wall of the lower section of the central column along the circumferential direction, and the cylindrical grooves extend downwards to the lower end of the central column along the generatrix of the central column.
Further, the central column is provided with a central oil filling hole along the axis, the central oil filling hole extends downwards from the top end of the central column to the lower section of the central column, and the outer wall of the lower section of the central column is internally provided with a plurality of oil outlet holes communicated with the central oil filling hole.
The invention has the beneficial effects that:
(1) The invention greatly reduces vibration noise;
(2) The invention realizes full-automatic assembly, omits a manual assembly link, greatly improves the assembly efficiency, improves the assembly beat by 30% compared with the beat of manual semi-automatic assembly according to actual production statistics, and improves the yield by 125% on the total production number of single shifts;
(3) The whole set of mechanism has less and compact actions, and the mechanism has no leakage and needle assembly leakage, so that the stability of needle assembly can be greatly improved, and the condition of stopping caused by needle assembly leakage and needle clamping stagnation due to the mechanism problem can not occur.
Drawings
Fig. 1 is a perspective view of the assembled structure of the present invention.
Fig. 2 is a schematic bottom view of the present invention.
Fig. 3 is a perspective view of the center post.
Fig. 4 is a schematic diagram of the front view structure of the present invention.
Fig. 5 is a cross-sectional view A-A of fig. 4.
Fig. 6 is a B-B cross-sectional view of fig. 4.
Fig. 7 is a C-C cross-sectional view of fig. 4.
Detailed Description
The objects, technical solutions and advantages of 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, for the purpose of making the objects, technical solutions and advantages of the present invention more clearly understood by those skilled in the art.
In the description of the present invention, it is to be understood that the specific meaning of the general terms in the present invention may be understood in detail by those skilled in the art unless explicitly stated and defined otherwise.
As shown in fig. 1 to 7, the efficient automatic needle loading mechanism provided by the invention comprises a frame 18, at least one shaft sleeve feeding component, at least one blanking component (four blanking components are arranged in the figure), a needle loading component and a needle pushing component, wherein the top of the frame is horizontally provided with a square base 5, the at least one shaft sleeve feeding component is arranged at the bottom of the square base 5, the at least one blanking component is arranged at the upper side of the square base 5, the needle loading component and the needle pushing component are arranged at the center of the square base 5, and the at least one needle pushing component is arranged at the side edge of the square base 5 (four blanking components are arranged in the figure).
The shaft sleeve feeding assembly comprises a feeding groove 19, an upward pushing cylinder 10 and a pushing block 29; the opening of the feed chute 19 is arranged upwards, the chute width is adapted to the diameter of the shaft sleeve 17, a vertical downward through hole is formed in the bottom of the chute, the pushing block 29 can be matched in the through hole in an up-and-down sliding manner, and the upward pushing cylinder 10 is fixed at the bottom of the feed chute 19 and connected with the pushing block 29.
The blanking assembly comprises a blanking pipeline 1 and a fixed block 20, wherein the blanking pipeline 1 is vertically fixed on the upper side of the square base 5, the fixed block 20 is fixed on the top surface of the square base 5, a fixed pipe 21 which is communicated with the top surface and the bottom surface of the fixed block 20 is vertically fixed on the fixed block 20, and the lower end of the blanking pipeline 1 is connected with the fixed pipe 21. The blanking pipeline 1 is made of a spring, and the inner diameter of the spring is matched with the diameter of the needle roller 16. An annular proximity switch 2 for detecting the needle roller 16 is arranged on the blanking pipeline 1. The rolling needles 16 are vertically arranged singly by utilizing the gravity and the vibration with smaller noise, and the characteristics of single row, uniqueness and smoothness of the pore canal of the spring are utilized, so that the interference between the rolling needles 16 and the clamping stagnation of the rolling needles can be completely avoided.
The needle assembly comprises a central needle mounting hole 27 formed in the center of the square base 5, a central column 9 vertically inserted into the central needle mounting hole 27, and a stepping motor 11 driving the central column 9 to rotate, wherein a distance between the outer wall 9.1 of the lower section of the central column 9 and the central needle mounting hole 27 is used as an annular groove 31 for arranging the needle rollers 16, the lower end of the central column 9 extends out of the bottom surface of the square base 5 for a distance, the upper end of the central column 9 is mounted on a mounting seat 24 through a bearing 28, the mounting seat 24 is horizontally fixed on the square base 5 through two upright posts 23, the stepping motor 11 is mounted on the mounting seat 24, and the stepping motor 11 drives the central column 9 to rotate through a synchronous belt 13 and a belt pulley 12.
The push pin assembly comprises a push sleeve 15, guide rods 22, a connecting block 25 and a downward pushing air cylinder 14, wherein the downward pushing air cylinder 14 is vertically arranged at the top end of a stand column 23 through a fixing seat 26, a push rod of the downward pushing air cylinder 14 is vertically downwards arranged and connected with the connecting block 25, the connecting block 25 is connected with at least two guide rods 22, the guide rods 22 are vertically arranged and downwards penetrate through guide holes in an installation seat 24 and then are connected with the push sleeve 15, and the push sleeve 15 is sleeved on the center column 9 and is adaptive to the annular groove 31.
The central column 9, the push sleeve 15, the central pin hole 27, the annular groove 31 and the shaft sleeve 17 are coaxially arranged.
The thimble assembly comprises a needle groove 6 formed in a square base 5, a jacking block 4 and a horizontal pushing cylinder 3, the needle groove 6 is located below a fixed pipe 21 of the blanking assembly, the needle rollers 16 are vertically arranged in the needle groove 6, the width of the needle groove 6 is matched with the diameter of the needle rollers 16, the depth is matched with the length of the needle rollers 16, the needle groove 6 extends outwards from an annular groove 31, the jacking block 4 is arranged at the outer end of the needle groove 6, a center 4.1 matched with the needle groove 6 is arranged at the inner end of the jacking block 4, and the inner end of the center 4.1 is made into a cylindrical surface matched with the outer wall of the needle rollers 16. The outer end of the ejector block 4 is connected with an ejector rod of the horizontal pushing cylinder 3, and the cylinder body of the horizontal pushing cylinder 3 is fixed on the side edge of the square base 5. The needle groove 6 is provided with a needle inlet 6.1 which corresponds to the fixed tube 21 from top to bottom, and the aperture of the needle inlet 6.1 is larger than the inner diameter of the needle roller 16, so that the needle roller 16 can fall into the needle groove 6 vertically.
The shaft sleeve feeding assembly further comprises at least three positioning columns 30 which are suspended and fixed on the bottom surface of the square base 5, wherein the positioning columns 30 are uniformly arranged around the central pin holes 27 in the center of the square base 5, and the distance between the positioning columns 30 and the axes of the central pin holes 27 is matched with the outer diameter of the shaft sleeve 17.
At least one guide groove perpendicular to the needle groove 6 in the horizontal plane is formed in the side face of the needle groove, a tightening block 7 is arranged in the guide groove, one end of the tightening block 7, facing the needle groove 6, is made into a cylindrical surface which is suitable for the outer wall of the needle roller 16, and the other end of the tightening block abuts against a tightening spring 8. The function of the jacking block 7 and the jacking spring 8 is to jack the rolling needle, so that the rolling needle is ensured to be vertically arranged and not fall down or incline.
An arc-shaped opening in clearance fit with the outer wall of the push sleeve 15 is formed in one side, close to the center of the square base 5, of the fixed block 20.
A circle of inward concave cylindrical grooves 9.4 are uniformly formed in the outer wall 9.1 of the lower section of the central column 9 along the circumferential direction, and the cylindrical grooves 9.4 extend downwards to the lower end of the central column 9 along a generatrix of the central column 9. The center column 9 is provided with a center oil filling hole 9.2 along the axis, the center oil filling hole 9.2 extends downwards from the top end of the center column 9 to the lower section of the center column 9, and the outer wall 9.1 of the lower section of the center column 9 is internally provided with a plurality of oil outlet holes 9.3 communicated with the center oil filling hole 9.2. The central oil filling hole is an injection channel for lubricating grease, viscous lubricating oil flows out from the tiny oil outlet hole to be adhered to each needle roller, and the needle rollers are ensured to be arranged on the inner wall of the shaft sleeve and not to fall down.
The working principle of the invention is as follows:
Firstly, an external vibration feeding mechanism sends rolling pins into a blanking pipeline 1, the rolling pins are arranged in series one by one in the blanking pipeline 1 and fall into a needle inlet 6.1 of a needle groove 6, and the annular proximity switch 2 is used for detecting whether the rolling pins 16 are arranged in a spring or not, so that the rolling pins 16 are prevented from being neglected to be installed. The cylinder 10 is pushed upwards to push the shaft sleeve 17 needing needle loading to the bottom surface of the square base 5 through the pushing block 29, and the three positioning columns position the outer circle of the shaft sleeve 17 so as to ensure that the axis of the shaft sleeve 17 is coincident with the axis of the central needle loading hole 27 of the square base 5. The horizontal pushing cylinder 3 pushes forward for one stroke, the needle roller 16 is pushed into the annular groove 31 between the central column 9 and the central needle mounting hole 27 from the needle groove 16, the stepping motor 11 rotates for one angle, the central column 9 is driven to rotate for one angle by the synchronous wheel 12 and the synchronous belt 13, the stepping motor 11 rotates for one time (for one angle), the horizontal pushing cylinder 3 pushes forward for one time, the needle roller 16 is positioned by the cylindrical groove 9.4 until the stepping motor 11 rotates for 360 degrees in total, the horizontal pushing cylinder 3 pushes the needle roller 16 to fill one circle of the cylindrical groove 9.4 according to the set quantity, then the ejector rod of the downward pushing cylinder 14 pushes out downwards, the arranged whole circle of needle roller is pressed into the shaft sleeve 17 through the pushing sleeve 15, the pushing sleeve 15 and the central column 9 are coaxial, after the whole circle of needle roller 16 is completely pressed into the shaft sleeve, the upward pushing cylinder 10 starts to retract, the shaft sleeve 17 with the needle roller 16 assembled is guaranteed to return to the original position, and then the downward pushing cylinder 14 is retracted to the limit state. The arrangement of the needle rollers 16 adopts a mode that the stepping motor 11 rotates step by step and the horizontal pushing cylinder 3 of the four thimble assemblies pushes forwards simultaneously, and the mode has simple structure, less actions and fast beat.
The total number N, the single needle diameter phi and the single needle length L of the assembled needle rollers 16 can be changed within a certain range by changing the sizes of all the components in the needle loading mechanism, so that the full-automatic assembly of the needle rollers with different specifications can be met.
The foregoing description is only of the preferred embodiments of the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An efficient automatic needle loading mechanism which is characterized in that: the automatic feeding device comprises a frame (18) with a square base (5) horizontally arranged at the top, at least one shaft sleeve feeding component arranged at the bottom of the square base (5), at least one blanking component arranged at the upper side of the square base (5), a needle loading component and a push needle component arranged at the center of the square base (5), and at least one push needle component arranged at the side edge of the square base (5);
The shaft sleeve feeding assembly comprises a feeding groove (19), an upward pushing cylinder (10) and a pushing block (29); the opening of the feed chute (19) is arranged upwards, the chute width is adapted to the diameter of the shaft sleeve (17), a vertical downward through hole is formed in the bottom of the chute, the pushing block (29) can be matched in the through hole in an up-down sliding manner, and the upward pushing cylinder (10) is fixed at the bottom of the feed chute (19) and connected with the pushing block (29);
The blanking assembly comprises a blanking pipeline (1) and a fixed block (20), wherein the blanking pipeline (1) is vertically fixed on the upper side of the square base (5), the fixed block (20) is fixed on the top surface of the square base (5), the fixed block (20) is vertically fixed with a fixed pipe (21) which is communicated with the top surface and the bottom surface of the fixed block, and the lower end of the blanking pipeline (1) is connected with the fixed pipe (21);
The needle assembly comprises a central needle mounting hole (27) formed in the center of the square base (5), a central column (9) vertically inserted into the central needle mounting hole (27) and a stepping motor (11) driving the central column (9) to rotate, a distance between the outer wall (9.1) of the lower section of the central column (9) and the central needle mounting hole (27) is kept as an annular groove (31) arranged by a needle roller (16), the lower end of the central column (9) extends out of the bottom surface of the square base (5) for a distance, the upper end of the central column (9) is mounted on a mounting seat (24) through a bearing (28), the mounting seat (24) is horizontally fixed on the square base (5) through two upright posts (23), the stepping motor (11) is mounted on the mounting seat (24), and the stepping motor (11) drives the central column (9) to rotate through a synchronous belt (13) and a belt wheel (12);
The push pin assembly comprises a push sleeve (15), guide rods (22), a connecting block (25) and a downward pushing air cylinder (14), wherein the downward pushing air cylinder (14) is vertically arranged at the top end of a stand column (23) through a fixing seat (26), a push rod of the downward pushing air cylinder (14) is vertically downwards arranged and connected with the connecting block (25), the connecting block (25) is connected with at least two guide rods (22), the guide rods (22) are vertically arranged and downwards penetrate through guide holes in an installation seat (24) and then are connected with the push sleeve (15), and the push sleeve (15) is sleeved on the center column (9) and is matched with the annular groove (31);
the central column (9), the push sleeve (15), the central pin hole (27), the annular groove (31) and the shaft sleeve (17) are coaxially arranged;
The thimble assembly is including seting up needle groove (6), kicking block (4) and level promotion cylinder (3) on square base (5), needle groove (6) are located the fixed pipe (21) below of unloading subassembly, vertical range of kingpin (16) is in needle groove (6), the width of needle groove (6) suits with the diameter of kingpin (16), the degree of depth suits with the length of kingpin (16), needle groove (6) follow ring channel (31) outwards extends, the outer end of needle groove (6) is equipped with kicking block (4), the inner system of kicking block (4) has top (4.1) that suits with needle groove (6), the outer end of kicking block (4) is connected with the ejector pin of level promotion cylinder (3), the cylinder body of level promotion cylinder (3) is fixed in the side of square base (5).
2. The efficient automatic needle loading mechanism according to claim 1, wherein: the shaft sleeve feeding assembly further comprises at least three positioning columns (30) which are fixed on the bottom surface of the square base (5) in a hanging mode, the positioning columns (30) are evenly arranged around a central pin hole (27) in the center of the square base (5), and the distance between the positioning columns (30) and the axis of the central pin hole (27) is matched with the outer diameter of the shaft sleeve (17).
3. An efficient automatic needle loading mechanism according to claim 1 or 2, characterized in that: the blanking pipeline (1) is made of springs, and the inner diameter of each spring is matched with the diameter of each needle roller (16).
4. A high efficiency automatic needle loading mechanism according to claim 3, wherein: an annular proximity switch (2) for detecting the needle roller (16) is arranged on the discharging pipeline (1).
5. An efficient automatic needle loading mechanism according to claim 1 or 2, characterized in that: at least one guide groove perpendicular to the needle groove (6) in the horizontal plane is formed in the side face of the needle groove, a jacking block (7) is arranged in the guide groove, one end, facing the needle groove (6), of the jacking block (7) is made into a cylindrical surface which is suitable for the outer wall of the needle roller (16), and the other end of the jacking block abuts against the jacking spring (8).
6. An efficient automatic needle loading mechanism according to claim 1 or 2, characterized in that: the inner end of the center (4.1) is made into a cylindrical surface which is matched with the outer wall of the needle roller (16).
7. An efficient automatic needle loading mechanism according to claim 1 or 2, characterized in that: the needle groove (6) is provided with a needle inlet (6.1) which corresponds to the fixing tube (21) up and down, and the aperture of the needle inlet (6.1) is larger than the inner diameter of the needle roller (16).
8. An efficient automatic needle loading mechanism according to claim 1 or 2, characterized in that: one side of the fixed block (20) close to the center of the square base (5) is provided with an arc-shaped opening in clearance fit with the outer wall of the push sleeve (15).
9. An efficient automatic needle loading mechanism according to claim 1 or 2, characterized in that: a circle of inward concave cylindrical grooves (9.4) are uniformly formed in the outer wall (9.1) of the lower section of the central column (9) along the circumferential direction, and the cylindrical grooves (9.4) extend downwards to the lower end of the central column (9) along the generatrix of the central column (9).
10. The efficient automatic needle loading mechanism according to claim 9, wherein: the central oil filling hole (9.2) along the axis is formed in the central column (9), the central oil filling hole (9.2) downwards extends to the lower section of the central column (9) from the top end of the central column (9), and a plurality of oil outlet holes (9.3) communicated with the central oil filling hole (9.2) are formed in the outer wall (9.1) of the lower section of the central column (9) inwards.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110801780.XA CN113458756B (en) | 2021-07-15 | 2021-07-15 | Efficient automatic needle loading mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110801780.XA CN113458756B (en) | 2021-07-15 | 2021-07-15 | Efficient automatic needle loading mechanism |
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| CN113458756A CN113458756A (en) | 2021-10-01 |
| CN113458756B true CN113458756B (en) | 2024-06-07 |
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| CN202110801780.XA Active CN113458756B (en) | 2021-07-15 | 2021-07-15 | Efficient automatic needle loading mechanism |
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