CN114960057A - Special sewing machine's circulation oil feeding system - Google Patents
Special sewing machine's circulation oil feeding system Download PDFInfo
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- CN114960057A CN114960057A CN202210774699.1A CN202210774699A CN114960057A CN 114960057 A CN114960057 A CN 114960057A CN 202210774699 A CN202210774699 A CN 202210774699A CN 114960057 A CN114960057 A CN 114960057A
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- 238000009958 sewing Methods 0.000 title claims abstract description 37
- 239000003921 oil Substances 0.000 claims abstract description 438
- 238000001914 filtration Methods 0.000 claims abstract description 31
- 239000010724 circulating oil Substances 0.000 claims abstract description 10
- 238000007906 compression Methods 0.000 claims description 30
- 230000006835 compression Effects 0.000 claims description 29
- 239000010687 lubricating oil Substances 0.000 claims description 18
- 238000005461 lubrication Methods 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 230000000903 blocking effect Effects 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 11
- 239000000446 fuel Substances 0.000 claims description 6
- 208000002925 dental caries Diseases 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004886 head movement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000004826 seaming Methods 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B71/00—Lubricating or cooling devices
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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
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention discloses a circulating oil supply system of a special sewing machine, and belongs to the technical field of special sewing machines. The purpose of the invention is realized as follows: a circulation oil supply system of a special sewing machine comprises an arm oil supply oil way, a machine head constant oil way, a main constant pressure overflow oil way and an oil outlet device; the oil outlet device comprises an oil pump assembly, and the oil pump assembly is arranged in an oil pan in the sewing machine shell; the machine arm oil supply oil circuit comprises a first constant-pressure overflow oil filtering device, a machine arm oil supply pipeline and a machine arm oil return channel, the machine head oil supply oil circuit comprises a second constant-pressure overflow oil filtering device and a machine head oil supply pipeline, the machine head constant-pressure oil circuit comprises a machine head oil return pipeline, the end part of the machine head is provided with the machine head oil return pipeline, the main constant-pressure overflow oil circuit comprises a main constant-pressure overflow device and a main overflow pipeline, and the oil pump assembly and the main constant-pressure overflow device are connected through the main overflow pipeline. The four oil paths are all supplied with oil collectively through an oil pump assembly in the oil pan.
Description
Technical Field
The invention belongs to the technical field of oil supply systems of special sewing machines, and particularly relates to a circulating oil supply system of a special sewing machine.
This application is directed to the division of patent No. 2016108582476.
Background
The special sewing machine is an arm type rolling and splicing sewing machine, which discloses the whole appearance structure and partial internal structure in Chinese patent numbers 2015106978830 and 2008201995074, and is an elbow-shaped cylinder type sewing machine for lap-joint sewing of men's clothing, women's clothing, casual clothing, jeans clothing, shirts, work clothes, raincoats and the like. At present, the arm-type seaming and splicing special sewing machine adopts manual oiling lubrication, and operators are very easy to cause excessive abrasion or jamming of machine parts and high-temperature heating phenomena if the operators do not timely oil due to negligence. Because the adoption of manual oiling can not effectively ensure the continuity, uniformity, stability and effectiveness of oil supply in the operation process of the machine, the integral operation speed of the machine is limited, and the operation and use efficiency of the machine is reduced. Adopt manual oiling, oil can not form the circulation, can only one-way filling, wherein has the loss of volatilizing to impurity, the spot that produces among the machine operation part wearing and tearing process remain inside the machine all the time, can not discharge, thereby further aggravated the wearing and tearing of machine, the life of the machine of influence.
Disclosure of Invention
The invention aims to provide a circulating oil supply system of a special sewing machine, which has a stable structure, full-automatic circulating oil supply and a good oil supply effect.
The purpose of the invention is realized as follows:
a circulation oil supply system of a special sewing machine comprises an arm oil supply oil way, a machine head constant oil way, a main constant pressure overflow oil way and an oil outlet device;
the oil outlet device comprises an oil pump assembly, and the oil pump assembly is arranged in an oil pan in the sewing machine shell;
the oil supply oil path of the machine arm comprises a first constant-pressure overflow oil filtering device, a machine arm oil supply pipeline and a machine arm oil return channel, the machine arm oil return channel is communicated with the oil tray, a first constant-pressure overflow oil filtering device is arranged between the machine arm of the sewing machine and the oil pump assembly, and the machine arm, the first constant-pressure overflow oil filtering device and the oil pump assembly are communicated through the machine arm oil supply pipeline;
the machine head oil supply oil path comprises the second constant-pressure overflow oil filtering device and a machine head oil supply pipeline, at least one shaft sleeve is arranged on a main shaft of the machine head of the sewing machine, the main shaft is hollow, an oil guide hole is formed in the joint of the main shaft and the shaft sleeve, the machine head oil supply pipeline is led out of the oil pump assembly and is connected with a hollow channel in the main shaft, and the second constant-pressure overflow oil filtering device is arranged between the main shaft and the oil pump assembly;
the machine head constant oil path comprises a machine head oil return pipeline, the end part of the machine head is provided with the machine head oil return pipeline, and the machine head oil return pipeline is connected with the oil disc;
the main constant-pressure overflow oil way comprises a main constant-pressure overflow device and a main overflow pipeline, and the oil pump assembly and the main constant-pressure overflow device are connected through the main overflow pipeline.
The first constant-pressure overflow oil filtering device, the second constant-pressure overflow oil filtering device and the main constant-pressure overflow device are all provided with overflow valves, each overflow valve comprises an overflow valve body, each overflow valve body is provided with an oil inlet and an oil outlet, oil blocking steel balls are arranged at the intersection of the oil inlet channel and the oil outlet channel, the rear portions of the oil blocking steel balls are compressed by compression springs, one ends of the compression springs are tightly pressed on the oil blocking steel balls, and the other ends of the compression springs are tightly pressed on the overflow valve bodies.
And the rear part of the overflow valve body is in threaded connection with a compression spring adjusting nut, one end of the compression spring is tightly pressed on the oil blocking steel ball, and the other end of the compression spring is tightly pressed on the compression spring adjusting nut.
The oil pump assembly comprises an oil pump body, oil pump oil return ports and an oil pump oil outlet are formed in two ends of the oil pump body, an oil pump travelling wheel is movably arranged in the oil pump body, and an oil pump star wheel matched with the oil pump travelling wheel is arranged in an inner cavity of the oil pump travelling wheel.
The cross section of oil pump driving wheel inner chamber is the pentagon, the cross section of oil pump star gear is the quadrangle, forms a plurality of cavitys between oil pump star gear and the oil pump driving wheel, and the cavity includes fuel feeding side cavity and oil return side cavity, and the volume of fuel feeding side cavity and oil return side cavity is at the oil pump star gear rotation in-process grow or diminish that interlocks each other.
First constant pressure overflow oil filter device, second constant pressure overflow oil filter device are integrative structure side by side, and both inside filter layers that all are provided with of them.
The horn side is provided with horn oil mass window and horn oil return cover, horn oil return cover inner chamber is provided with first step portion and second step portion, and the inner chamber volume that second step portion set up the top at first step portion and second step portion formed is greater than the inner chamber volume that first step portion formed.
And the bottom of the oil disc is provided with radiating fins.
The radiating fins and the oil pan are of an integrated structure.
The machine arm oil supply pipeline is provided with three machine arm oil outlet pipelines at the machine arm.
Compared with the prior art, the invention has the outstanding and beneficial technical effects that:
1. the oil supply system of the special machine body comprises an arm oil supply oil way, a machine head constant oil way and a main constant pressure overflow oil way, wherein the four oil ways are used for supplying oil collectively through an oil pump assembly in an oil pan, each oil supply oil way is provided with an overflow valve due to different oil supply oil pressures and oil amounts required by each part, the stability of the whole oil supply is ensured, the main constant pressure overflow oil way mainly ensures that the oil pressure in the main oil supply oil way is kept within a set range when the machine operates at high and low speeds, the whole oil amount is ensured, the other three oil ways supply oil and lubricate in respective areas, and the oil supply in the special machine body is effectively carried out through the four oil ways.
2. The machine head comprises a main shaft, at least one shaft sleeve is arranged on the main shaft, the interior of the main shaft is hollow, an oil guide hole is formed in the joint of the main shaft and the shaft sleeve, an oil supply pipeline of the machine head is led out from an oil pump assembly and is connected with a hollow channel in the interior of the main shaft, oil is led into the interior of the main shaft by the oil supply pipeline of the machine head, oil guide and lubrication of the machine head are carried out through the main shaft, the lubrication in the interior of the shaft sleeve is always a difficult point, the lubrication of the shaft sleeve is enabled to be more effective through the oil guide hole between the shaft sleeve and the main shaft, the traditional structure of guiding oil through an external hole is changed, and the problems of oil leakage and incomplete lubrication of the shaft sleeve are avoided.
3. The rear part of the overflow valve body is in threaded connection with a compression spring adjusting nut, one end of the compression spring is tightly pressed on the oil blocking steel ball, the other end of the compression spring is tightly pressed on the compression spring adjusting nut, the required integral oil quantity can be changed by properly rotating the compression spring adjusting nut, and leak-proof devices such as sealing rings and the like are arranged in the overflow valve.
4. The invention designs a planetary wheel pump, a pump body is independently arranged in an oil pan, oil supply adopts a soft oil pipe for anti-drop insertion, installation and replacement are convenient, a plurality of cavities are formed between an oil pump star wheel and an oil pump planet wheel in an oil pump assembly, each cavity comprises an oil supply side cavity and an oil return side cavity, the oil supply side cavity and the oil return side cavity are continuously changed in the rotation process of the oil pump star wheel, oil is returned in the oil supply process, the oil pump planet wheel and the oil pump star wheel reach a balance, and the oil pump planet wheel are pushed by lubricating oil in a flow-back oil pan to bear a certain acting force and rotate, so that the energy consumption of the oil pump is reduced.
5. The side edge of the horn is provided with the horn oil volume window and the horn oil return cover, the horn oil volume window is used for observing oil volume and finely adjusting an overflow valve to achieve effective oil supply of each station, the inner cavity of the horn oil return cover is provided with a first step part and a second step part, the second step part is arranged above the first step part, the volume of the inner cavity formed by the second step part is larger than that of the inner cavity formed by the first step part, when the oil return amount is small, lubricating oil returned to an oil pan slowly returns through the first step part, when the flow of the lubricating oil is overlarge, the lubricating oil can fully reach the second step part, and the inner cavity of the second step part is larger than that of the first step part, so that oil can be returned more quickly, and the structure effectively ensures the oil return quality at the horn.
6. The bottom of the oil pan is provided with the radiating fins, and the radiating fins and the oil pan are of an integrated structure, so that the oil temperature of circulating oil supply is effectively controlled, and the effective lubrication of machine parts is ensured.
7. The invention changes the traditional manual oiling mode, effectively ensures the timely oil supply and lubrication of each motion amplitude part of the machine, avoids the phenomena of excessive abrasion and jamming of zero parts and high-temperature heating caused by untimely oil supply, improves the running speed of the machine, and ensures that the lubricating oil with impurity components after being lubricated in the running process of the machine returns to the oil pan after being filtered by the filter layer and is supplied with the oil after being filtered, thereby ensuring that each lubricating part of the machine is in clean lubricating oil, reducing the abrasion of the machine and ensuring the service life of the machine.
Drawings
FIG. 1 is a schematic diagram of the present invention.
FIG. 2 is a second schematic structural diagram of the present invention.
Fig. 3 is a cross-sectional view at E-E of fig. 2.
Fig. 4 is a schematic view of the internal structure of the present invention.
Fig. 5 is an enlarged view at a of fig. 4.
Fig. 6 is a schematic view of the oil pump assembly of the present invention.
In the figure: 1-an oil pump assembly; 2-shaft sleeve; 3-a main shaft; 4-machine head; 5-an overflow valve; 6-a machine arm; 7-oil supply side cavity; 8-oil return side cavity; 9-oil pump running wheel; 10-oil pump star wheel; 12-lubricating oil; 13-a first step; 14-a second step; 15-boom oil return cover; 16-a horn oil mass window; 17-main constant pressure overflow; 18-an oil pan; 19-a heat sink; 20-a first constant pressure overflow oil filtering device; 21-a second constant pressure overflow oil filtering device; 22-compression spring adjusting nut; 23-a compression spring; 24-relief valve body; 25-oil blocking steel balls; 26-a filter layer; 27-oil guide hole; 30-a nose oil return pipe; 31-a main overflow conduit; 32-horn oil supply line; 33-a boom oil outlet pipeline; 34-a handpiece oil supply conduit; a-a machine head oil return channel; b-a branch overflow channel; c-a main overflow channel; d-oil supply channel of the head movement mechanism; e-an oil supply channel of the arm movement mechanism; f-an oil return port of the oil pump; g-oil outlet of oil pump; h-arm oil return passage.
Detailed Description
The invention will be further described in the following with reference to specific embodiments thereof, as shown in figures 1-6:
a circulation oil supply system of a special sewing machine comprises an arm oil supply oil way, a machine head constant oil way, a main constant pressure overflow oil way and an oil outlet device;
the oil outlet device comprises an oil pump assembly 1, wherein the oil pump assembly 1 is arranged in an oil pan 18 in a sewing machine shell;
the arm oil supply path comprises a first constant-pressure overflow oil filtering device 20, an arm oil supply pipeline 32 and an arm oil return channel h, the arm oil return channel h is communicated with the oil pan 18 and returns the lubricating oil 12 to the oil pan 18 in the most direct and rapid mode, the first constant-pressure overflow oil filtering device 20 is arranged between the arm 6 of the sewing machine and the oil pump assembly 1, and the arm 6, the first constant-pressure overflow oil filtering device 20 and the oil pump assembly 1 are communicated through the arm oil supply pipeline 32;
the machine head oil supply circuit comprises a second constant pressure overflow oil filtering device 21 and a machine head oil supply pipeline 34, at least one shaft sleeve 2, preferably three shaft sleeves 2, are arranged on a main shaft 3 of a sewing machine head 4 and are respectively positioned at two ends and the middle part, the main shaft 3 is hollow, an oil guide hole 27 is arranged at the joint of the main shaft 3 and the shaft sleeve 2, the machine head oil supply pipeline 34 is led out from the oil pump assembly 1 and is connected with a hollow channel in the main shaft 3, the second constant pressure overflow oil filtering device 21 is arranged between the main shaft 3 and the oil pump assembly 1, the machine head oil supply pipeline 34 is led out from the oil pump assembly 1 and is connected with the hollow channel in the main shaft 3, the machine head oil supply pipeline 34 leads oil into the main shaft 3, oil guide and lubrication of the machine head 4 are carried out through the main shaft 3, the lubrication in the shaft sleeve 2 on the main shaft 3 is always a difficult point, and the oil guide hole 27 between the shaft sleeve 2 and the main shaft 3, the lubrication of the shaft sleeve 2 is more effective, the traditional structure that oil is guided through an external opening is changed, and the problems of oil leakage and incomplete lubrication of the shaft sleeve 2 are avoided;
the machine head constant oil path comprises a machine head oil return pipeline 30, the end part of the machine head 4 is provided with the machine head oil return pipeline 30, and the machine head oil return pipeline 30 is connected with the oil disc 18;
the main constant-pressure overflow oil way comprises a main constant-pressure overflow device 17 and a main overflow pipeline 31, and the oil pump assembly 1 is connected with the main constant-pressure overflow device 17 through the main overflow pipeline 31;
the oil supply system of the special machine body comprises an arm oil supply oil way, a machine head constant oil way and a main constant pressure overflow oil way, wherein the four oil ways are used for carrying out collective oil supply through an oil pump assembly in an oil tray, because the oil supply oil pressure and the oil quantity required by each part are different, each oil supply oil way is provided with an overflow valve 5 to ensure the stability of the whole oil supply, the main constant pressure overflow oil way mainly ensures that the oil pressure in the main oil supply oil way is kept in a set range when the machine operates at high and low speeds to ensure the whole oil quantity, the rest three oil ways are used for carrying out lubrication in respective oil supply areas, and the oil supply in the special machine body is effectively carried out through the four oil supply ways.
The first constant-pressure overflow oil filtering device 20, the second constant-pressure overflow oil filtering device 21 and the main constant-pressure overflow device 17 are all provided with an overflow valve 5, the overflow valve 5 comprises an overflow valve body 24, the overflow valve body 24 is provided with an oil inlet and an oil outlet, an oil blocking steel ball 25 is arranged at the intersection of an oil inlet channel and an oil outlet channel, the rear part of the oil blocking steel ball 25 is tightly pressed with a compression spring 23, one end of the compression spring 23 is tightly pressed on the oil blocking steel ball 25, and the other end of the compression spring is tightly pressed on the overflow valve body 24; the rear portion threaded connection of overflow valve body 24 has compression spring adjusting nut 22, compression spring 23 one end compresses tightly on keeping off oily steel ball 25, and the other end compresses tightly on compression spring adjusting nut 22, can change the whole oil mass size of needs through appropriate rotation compression spring adjusting nut 22, leak protection devices such as sealing washer have all been set up in overflow valve 5 inside, and this simple structure and stability for the fuel feeding is more effective, compression spring adjusting nut 22 of main constant pressure overflow arrangement 17 is because the load is great, consequently sets up the inside at overflow valve body 24.
The oil pump assembly 1 comprises an oil pump body 11, an oil pump oil return port f and an oil pump oil outlet g are arranged at two ends of the oil pump body 11, an oil pump travelling wheel 9 is movably arranged in the oil pump body 11, and an oil pump star wheel 10 matched with the oil pump travelling wheel 9 is arranged in an inner cavity of the oil pump travelling wheel 9; the inner chamber cross section of oil pump travelling wheel 9 is the pentagon, the cross section of oil pump star gear 10 is the quadrangle, form a plurality of cavitys between oil pump star gear 10 and the oil pump travelling wheel 9, the cavity includes oil feed side cavity 7 and oil return side cavity 8, the volume of oil feed side cavity 7 and oil return side cavity 8 is crisscross grow each other or diminish in oil pump star gear 10 rotation in-process, in the in-process of oil return, the continuous grow of inner chamber of oil return side cavity 8, promote oil pump travelling wheel 9 and make the inner chamber of oil feed side cavity 7 compressed, oil feed side cavity 7 promotes oil pump travelling wheel 9 to rotate and compress oil return side cavity 8 at the in-process of compression, both restrict each other, maintain the balance of oil return and oil play, also be in the oil return simultaneously at the in-process of oil feed, both reach a balance, oil pump travelling wheel 9 and oil pump star gear 10 receive certain effort under the promotion of lubricating oil 12 in the flow-back dish 18, and the oil pump rotates, so that the energy consumption of the oil pump is reduced.
First constant voltage overflow oil filter 20, second constant voltage overflow oil filter 21 are side by side a body structure, and the integral type structure has reduced the installation space greatly, and make the maintenance in later stage more convenient, and both inside all are provided with filter layer 26, filter layer 26 is the wool felt filter layer, and the machine has impurity composition's lubricating oil 12 to get back to in food tray 18 after filtering through this filter layer 26 after lubricating in the operation to make each lubricated position of machine all be in during clean lubricating oil 12, reduced the wearing and tearing of machine, guaranteed the life of machine.
The horn 6 side is provided with horn oil mass window 16 and horn oil return cover 15, horn oil mass window 16 is used for operating the observation oil mass and carries out the fine setting of overflow valve 5, reaches the effective fuel feeding of each station, horn oil return cover 15 inner chamber is provided with first step portion 13 and second step portion 14, and second step portion 14 sets up the inner chamber volume that is greater than first step portion 13 formation in the top of first step portion 13 and second step portion 14 formation, and when oil return volume is less, get back to the lubricating oil in the food tray 18 and slowly return through first step portion 13, when lubricating oil 12 flow is too big, lubricating oil 12 can be full to second step portion 14, and the inner chamber of second step portion 14 is bigger than first step portion 13, consequently can more quick oil return, and the oil quality of 6 departments of horn is effectively guaranteed to this structure.
The bottom of the oil pan 18 is provided with a radiating fin 19, the radiating fin 19 and the oil pan 18 are of an integrated structure, the oil temperature of circulating oil supply is effectively controlled, and effective lubrication of machine parts is guaranteed.
The boom oil supply pipeline 32 is provided with three boom oil outlet pipelines 33 at the boom 6, and more lubricating oil is needed for lubrication because the structure at the boom 6 is more and the mechanism itself is larger.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (10)
1. The utility model provides a special sewing machine's circulation oil feeding system which characterized in that: the oil supply system comprises a machine arm oil supply oil way and an oil outlet device;
the oil outlet device comprises an oil pump assembly (1), wherein the oil pump assembly (1) is arranged in an oil pan (18) in a sewing machine shell;
wherein the machine arm oil supply oil path comprises a machine arm oil return channel (h) which is communicated with the oil pan (18),
a horn oil return cover (15) is arranged on the side edge of the horn of the sewing machine, and the horn oil return cover (15) are both horizontally arranged;
a first step part (13) and a second step part (14) are arranged in the inner cavity of the horn oil return cover (15), the second step part (14) is arranged above the first step part (13), and the volume of the inner cavity formed by the second step part (14) is larger than that of the inner cavity formed by the first step part (13);
when the oil return amount is small, the lubricating oil returned to the oil pan slowly returns through the first step part;
when the lubricating oil flow was too big, lubricating oil can be full to second step portion, and the inner chamber of second step portion is big than first step portion to realize faster oil return.
2. The circular oil supply system of the special sewing machine as claimed in claim 1, wherein:
the machine arm oil supply path comprises a first constant-pressure overflow oil filtering device (20), the machine arm oil supply path comprises the first constant-pressure overflow oil filtering device (20) and a machine arm oil supply pipeline (32),
a first constant-pressure overflow oil filtering device (20) is arranged between the machine arm (6) and the oil pump assembly (1) of the sewing machine, and the machine arm (6), the first constant-pressure overflow oil filtering device (20) and the oil pump assembly (1) are communicated through a machine arm oil supply pipeline (32);
the circulating oil supply system comprises a machine head oil supply oil way, the machine head oil supply oil way comprises a second constant-pressure overflow oil filtering device (21), and the second constant-pressure overflow oil filtering device (21) is positioned between a main shaft (3) of the sewing machine head (4) and the oil pump assembly (1);
the first constant-pressure overflow oil filtering device (20) and the second constant-pressure overflow oil filtering device (21) are both positioned on the upper side of the main shaft (3);
and the first constant-pressure overflow oil filtering device (20) and the second constant-pressure overflow oil filtering device (21) are of a parallel integrated structure.
3. The circular oil supply system of the special sewing machine as claimed in claim 2, wherein: the machine head oil supply circuit also comprises a machine head oil supply pipeline (34);
at least three shaft sleeves (2) are arranged on a main shaft (3) of a sewing machine head (4) and are respectively positioned at two ends and the middle part of the main shaft (3);
the main shaft (3) is hollow, an oil guide hole (27) is arranged at the joint of the main shaft (3) and the shaft sleeve (2),
the machine head oil supply pipeline (34) is led out of the oil pump assembly (1) and connected with the hollow channel in the main shaft (3), oil is led into the main shaft (3) through the machine head oil supply pipeline (34), and oil guiding and lubrication of the machine head (4) are performed through the main shaft (3).
4. The circular oil supply system of the special sewing machine as claimed in claim 2, wherein:
the first constant-pressure overflow oil filtering device (20) and the second constant-pressure overflow oil filtering device (21) are both provided with overflow valves (5);
the overflow valve (5) comprises an overflow valve body (24), the overflow valve body (24) is provided with an oil inlet and an oil outlet, an oil blocking steel ball (25) is arranged at the intersection of the oil inlet channel and the oil outlet channel, the rear part of the oil blocking steel ball (25) is tightly pressed with a compression spring (23), one end of the compression spring (23) is tightly pressed on the oil blocking steel ball (25), and the other end of the compression spring is tightly pressed on the overflow valve body (24);
the rear part of the overflow valve body (24) is in threaded connection with a compression spring adjusting nut (22), one end of the compression spring (23) is pressed on the oil blocking steel ball (25), and the other end of the compression spring (23) is pressed on the compression spring adjusting nut (22).
5. The circulating oil supply system of the special sewing machine as claimed in claim 1, wherein: the circulating oil supply system at least comprises a machine head constant oil circuit and a main constant pressure overflow oil circuit;
the machine head constant oil path comprises a machine head oil return pipeline (30), the end part of the machine head (4) is provided with the machine head oil return pipeline (30), and the machine head oil return pipeline (30) is connected with the oil disc (18);
the main constant-pressure overflow oil way comprises a main constant-pressure overflow device (17) and a main overflow pipeline (31), and the oil pump assembly (1) is connected with the main constant-pressure overflow device (17) through the main overflow pipeline (31); the main constant-pressure overflow oil way is used for keeping the oil pressure in the main oil supply oil way within a set range when the machine works at high and low speeds, so that the whole oil consumption is ensured.
6. The circular oil supply system of the special sewing machine as claimed in claim 1, wherein: the oil pump assembly (1) comprises an oil pump body (11), an oil pump oil return port (f) and an oil pump oil outlet (g) are arranged at two ends of the oil pump body (11), an oil pump travelling wheel (9) is movably arranged in the oil pump body (11), and an oil pump star wheel (10) matched with the oil pump travelling wheel is arranged in an inner cavity of the oil pump travelling wheel (9);
the cross section of oil pump driving wheel (9) inner chamber is the pentagon, the cross section of oil pump star gear (10) is the quadrangle, forms a plurality of cavitys between oil pump star gear (10) and oil pump driving wheel (9), and the cavity includes fuel feeding side cavity (7) and oil return side cavity (8), and the volume of fuel feeding side cavity (7) and oil return side cavity (8) is at oil pump star gear (10) rotation in-process crisscross grow each other or diminish.
7. The circular oil supply system of the special sewing machine as claimed in claim 1, wherein: and a horn oil mass window (16) is arranged on the side edge of the horn.
8. The circular oil supply system of the special sewing machine as claimed in claim 1, wherein: and the bottom of the oil pan (18) is provided with a radiating fin (19).
9. The circulating oil supply system of the special sewing machine as claimed in claim 8, wherein: the radiating fins (19) and the oil pan (18) are of an integral structure.
10. The circular oil supply system of the special sewing machine as claimed in claim 1, wherein: the machine arm oil supply pipeline (32) is provided with three machine arm oil outlet pipelines (33) at the position of the machine arm (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210774699.1A CN114960057B (en) | 2016-09-28 | 2016-09-28 | Circulation oil supply system of special sewing machine |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610858247.6A CN106167960B (en) | 2016-09-28 | 2016-09-28 | Automatic circulation oil supply system of special sewing machine |
| CN202210774699.1A CN114960057B (en) | 2016-09-28 | 2016-09-28 | Circulation oil supply system of special sewing machine |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610858247.6A Division CN106167960B (en) | 2016-09-28 | 2016-09-28 | Automatic circulation oil supply system of special sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114960057A true CN114960057A (en) | 2022-08-30 |
| CN114960057B CN114960057B (en) | 2024-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210774699.1A Active CN114960057B (en) | 2016-09-28 | 2016-09-28 | Circulation oil supply system of special sewing machine |
| CN201610858247.6A Active CN106167960B (en) | 2016-09-28 | 2016-09-28 | Automatic circulation oil supply system of special sewing machine |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201610858247.6A Active CN106167960B (en) | 2016-09-28 | 2016-09-28 | Automatic circulation oil supply system of special sewing machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106757854A (en) * | 2017-03-15 | 2017-05-31 | 杰克缝纫机股份有限公司 | Sewing machine |
| CN107354615B (en) * | 2017-09-11 | 2023-02-03 | 浙江中捷缝纫科技有限公司 | Oil supply system of sewing machine |
| CN109973799A (en) * | 2017-12-27 | 2019-07-05 | 杰克缝纫机股份有限公司 | A kind of device and oil control method of oil pump constant flow rate fuel feeding |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN114960057B (en) | 2024-10-01 |
| CN106167960A (en) | 2016-11-30 |
| CN106167960B (en) | 2022-07-19 |
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