CN208121358U - A kind of self-lubricating presser feet cam pack and embroidery machine - Google Patents
A kind of self-lubricating presser feet cam pack and embroidery machine Download PDFInfo
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- CN208121358U CN208121358U CN201820332426.0U CN201820332426U CN208121358U CN 208121358 U CN208121358 U CN 208121358U CN 201820332426 U CN201820332426 U CN 201820332426U CN 208121358 U CN208121358 U CN 208121358U
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- presser feet
- feet cam
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Abstract
The utility model discloses a kind of self-lubricating presser feet cam pack and embroidery machines, including presser feet cam and presser feet connecting rod, the first end face of the presser feet cam is equipped with presser feet cam path, the presser feet connecting rod is connected with pin shaft, the rolling element that cooperation is rolled with presser feet cam path is installed on the pin shaft, the presser feet cam is equipped with the shoe cream room for storing lubricating grease and is connected to the oilhole of shoe cream room and presser feet cam path, in presser feet cam rotation process, lubricating grease in shoe cream room flows under the action of the centrifugal force, and flows into presser feet cam path along oilhole.After the utility model devises the shoe cream room being connected to presser feet cam path, when embroidery machine new clothes, lubricating grease is injected in shoe cream room, is added to the lubricating grease in shoe cream room in presser feet cam path by oilhole, to extend the service life of presser feet cam, mechanical disorder is reduced.
Description
Technical field
The utility model relates to embroidery machines.
Background technique
Shown in referring to figs. 2 and 5, presser feet cam drives presser feet by presser feet link assembly, wherein presser feet link assembly packet
Presser feet connecting rod is included, the middle part of the presser feet connecting rod 2 is connected with pin shaft 21.As a kind of current common structure, pacify on pin shaft 21
Equipped with the ball cooperated with presser feet cam path 111.When ball rotation is not flexible, ball does sliding with presser feet cam cell wall and rubs
It wipes, this will seriously reduce precision and the service life of presser feet cam.Therefore, it in embroidery machine new clothes, is applied in presser feet cam path 111 suitable
It measures lubricating grease (being commonly called as butter), to reduce the force of sliding friction of ball Yu presser feet cam cell wall.When in presser feet cam path 111
When lubricating grease has been lost, then the frictional force of ball and presser feet cam cell wall will sharply increase again, to influence the presser feet cam service life.
Utility model content
Technical problem to be solved in the utility model is just to provide a kind of self-lubricating presser feet cam pack, and it is convex to extend presser feet
The service life of wheel.
Above-mentioned technical problem is solved, the utility model adopts the following technical solution：A kind of self-lubricating presser feet cam pack, packet
Presser feet cam and presser feet connecting rod are included, the first end face of the presser feet cam is equipped with presser feet cam path, and the presser feet connecting rod is connected with
Pin shaft, the rolling element that cooperation is rolled with presser feet cam path is equipped on the pin shaft, and the presser feet cam is equipped with for storing
The shoe cream room of lubricating grease and the oilhole for being connected to shoe cream room and presser feet cam path, in presser feet cam rotation process, oil storage
Intracavitary lubricating grease flows under the action of the centrifugal force, and flows into presser feet cam path along oilhole.
Preferably, the presser feet cam pack further includes presser feet cam chair, the second end face and presser feet of the presser feet cam
The first end face of cam chair is docked, and the first end face of the presser feet cam chair offers oil storage tank, and the oil storage tank and presser feet are convex
The second end face of wheel surrounds the shoe cream room.
Preferably, the presser feet cam chair is bolted fixation by first with presser feet cam.
Preferably, the oil storage tank is along the arc-shaped extension in presser feet cam chair edge.
Preferably, the presser feet cam path includes orthodrome curved section, small arc-shaped curved section and connection orthodrome curve
The transition arc curved section of section and small arc-shaped curved section, the oil storage tank are corresponding with orthodrome curve fragment position.
Preferably, the oilhole is opened up there are two and is respectively corresponded with the arc both ends of oil storage tank.
Preferably, the oilhole offers one and corresponding with the arc middle position of oil storage tank.
Preferably, the depth of the oil storage tank is the one third of presser feet cam chair thickness to half.
Preferably, the diameter of the oilhole is greater than 2mm and is less than 5mm.
The utility model additionally provides a kind of embroidery machine, equipped with above-mentioned self-lubricating presser feet cam pack.
After the utility model devises the shoe cream room being connected to presser feet cam path, when embroidery machine new clothes, lubricating grease is injected
In shoe cream room, if the lubricating grease then in presser feet cam path loses, the lubricating grease in shoe cream room is added to by oilhole
In presser feet cam path, to extend the service life of presser feet cam, mechanical disorder is reduced.
Detailed description of the invention
The utility model is further described with reference to the accompanying drawings and detailed description：
Fig. 1 is the structural schematic diagram of the utility model embodiment one；
Fig. 2 is the structural schematic diagram of presser feet cam in the utility model embodiment one；
Fig. 3 is the first end structural schematic diagram of presser feet cam chair in the utility model embodiment one；
Fig. 4 is the second end structural schematic diagram of presser feet cam chair in the utility model embodiment one；
Fig. 5 is the structural schematic diagram of presser feet connecting rod in the utility model embodiment one.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to this is practical
Novel and its application or any restrictions used.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, is fallen within the protection scope of the utility model.
Embodiment one, as shown in Figure 1, a kind of self-lubricating presser feet cam pack, the take-up including being mounted on transmission shaft 3 are convex
Wheel assembly 4 and presser feet cam pack 1, thread take-up cam component 4 include thread take-up cam 41 and cam link 42, presser feet cam pack 1
Including presser feet cam 11, the first end face of the presser feet cam 11 is equipped with presser feet cam path 111, and the first of the thread take-up cam 41
End face is equipped with thread take-up cam slot 411, and the presser feet cam 11 and thread take-up cam 41 are fixedly connected with transmission shaft 3 respectively, and described
The first end face of presser feet cam and the first end face of thread take-up cam are arranged face-to-face.
In addition, the presser feet cam 11 is fixedly connected with presser feet cam chair 12, the second end face of the presser feet cam 11 with
The first end face of presser feet cam chair 12 is docked.With reference to shown in Fig. 1 and Fig. 4, the second end of the presser feet cam chair 12 is equipped with axial
The fixing sleeve canister portion 122 of extension, the fixing sleeve canister portion 122 are connected with presser feet cam lasso 13, the presser feet cam lasso 13
The holding of fixing sleeve canister portion 122 is fixed on transmission shaft 3.Pass through the first spiral shell between the presser feet cam 11 and presser feet cam chair 12
Bolt is fixed as one, and the presser feet cam lasso 13 is held tightly by the second bolt and fixed.Presser feet cam 11 and presser feet cam chair 12
First fixed with the first bolt, it is then whole again to be inserted in transmission shaft 3 then with presser feet cam lasso 13 and the second bolt that presser feet is convex
The fixing sleeve canister portion 122 of wheel seat 12 is held tightly.Similarly, thread take-up cam 41 is held tightly by the sleeve part of protrusion and is fixed.Presser feet cam 11
And the separation and the fixed design of independence and transmission shaft 3 of thread take-up cam 41 ensure that it is vertical between presser feet cam 11 and transmission shaft 3
Straight degree, to reduce the axial vibration of presser feet cam, improves the kinematic accuracy of presser feet, extends presser feet cam and presser feet connects
The service life of bar ball.And the first end face of the first end face and thread take-up cam 41 due to presser feet cam 11 is arranged face-to-face, along
There are also larger spaces on the left side of transmission shaft 3, this provides space basis to presser feet cam thickness is increased.
Further, referring to figs. 2 and 3 shown in, the presser feet cam 11 be equipped with for storing lubricating grease shoe cream room with
And the oilhole 112 of connection shoe cream room and presser feet cam path 111, the lubrication in presser feet cam rotation process, in shoe cream room
Rouge flows under the action of the centrifugal force, and is flowed into presser feet cam path 111 along oilhole 112, realizes and is automatically replenished presser feet
Lubricating grease in cam path 111.After devising shoe cream room on presser feet cam 11, when embroidery machine new clothes, lubricating grease is injected and is stored up
In oil pocket, if the lubricating grease then in presser feet cam path 111 loses, the lubricating grease in shoe cream room is mended by oilhole 112
It is charged in presser feet cam path 111, to extend the service life of presser feet cam 11, reduces mechanical disorder.Certainly, those skilled in the art
It is understood that lubricating grease is that comparison is slow along the speed that oilhole 112 is flowed into presser feet cam path 111 from shoe cream room
, to meet the needs of not having to for a long time to shoe cream room supplemental lubrication rouge.
Refering to what is shown in Fig. 3, the first end face of the presser feet cam chair 21 offers oil storage tank 121, the oil storage tank 121 with
The second end face of presser feet cam 1 surrounds the shoe cream room.In this way, avoiding pressing without opening up shoe cream room on presser feet cam 11
Shoe cream room is opened up on foot cam 11 influences presser feet cam structure intensity.In order to increase 121 area of oil storage tank, can store more
Lubricant grease, the oil storage tank 121 is along the arc-shaped extension in 12 edge of presser feet cam chair, utmostly to utilize presser feet cam chair 12
Space.
Refering to what is shown in Fig. 2, the presser feet cam path 111 includes orthodrome curved section, roundlet as current conventional structure
Curved line segment and the transition arc curved section for connecting orthodrome curved section and small arc-shaped curved section, 11 outer circle of presser feet cam are equipped with
Unfilled corner 113 is interfered to avoid being formed with other parts on head, wherein orthodrome curved section is arranged far from unfilled corner 113.It is described
Oil storage tank is corresponding with orthodrome curve fragment position.It is there are two the oilhole opens up and right respectively with the arc both ends of oil storage tank
It answers.The relatively small circular curve segment length of orthodrome curved section is longer, and with greater need for lubrication, therefore oil storage tank and orthodrome curved section
Position is corresponding, convenient for shortening path of the lubricant grease in oilhole.Certainly, it will be appreciated by persons skilled in the art that
The oilhole can also offer one and corresponding with the arc middle position of oil storage tank.
The present embodiment is preferred, and the depth of the oil storage tank 121 is the one third of 12 thickness of presser feet cam chair to two points
One of.Depth is too small, can reduce lubricating grease amount of storage, and depth is excessive, will affect the structural strength of presser feet cam chair 12.
The present embodiment is preferred, and the diameter of the oilhole 112 is greater than 2mm and is less than 5mm.If oilhole diameter
Excessive, lubricating grease consumption is too fast in shoe cream room, if oilhole diameter is too small, can not meet lubrication needs.
Refering to what is shown in Fig. 5, common ball can be replaced using bearing 22, i.e., it is equipped on pin shaft 21 and presser feet cam path
111 roll the bearing 22 of cooperation.
Current presser feet cam drive is equipped with ball on pin shaft 21, and ball is embedded in presser feet cam path 111, when
When presser feet cam 11 does rotary motion, then presser feet presser feet link assembly can be driven to do reciprocally swinging, this kind of design structure is simple,
Cost is relatively low.But its shortcoming is that the precision of ball is not high, rotation is not flexible, and the service life is not grown, when the cooperation essence of ball and pin shaft
When spending poor, ball rotation is obstructed, then may not be rolled between ball and presser feet cam cell wall, but is slided, and the time is long
, presser feet cam cell wall is worn, is deteriorated so as to cause the kinematic accuracy of presser feet presser feet link assembly, and then influences embroidery effect
Fruit can lead to the breakage of presser feet cam if continuing to wear, and directly contribute machine failure.
Ball is replaced using bearing 22, the frictional force between bearing 22 and presser feet cam path 111 is small, and cooperation precision is high, can
To solve the problems, such as that ball is brought, and in order to further decrease frictional force, the bearing preferably uses ball bearing.In view of axis
Holding is standard component, and the width of single rolling bearing is smaller, smaller with the contact area of presser feet cam cell wall, and rolling bearing is negative
It carries larger, therefore is mounted side by side on pin shaft using two rolling bearings.It will be appreciated by persons skilled in the art that further
The thickness of presser feet cam can be increased, to enhance the intensity of presser feet cam, increase the durability of presser feet cam, can be improved
The kinematic accuracy of presser feet connecting rod greatly reduces the friction for even being eliminated ball and cam-wall, to greatly prolong presser feet cam
Service life reduces failure.
In order to install bearing 22, the pin shaft 21 is equipped with positioning step, the end face of 11 one end of Bearing support presser feet cam and fixed
Position step end face location fit.
In addition, the bottom surface outer rim of the presser feet cam path 111 is equipped with the step ring 1111 of protrusion, the pin shaft 21 leans on presser feet
The end face of cam one end protrudes from bearing face and protrusion height is lower than step ring height, avoids bearing and stepped annular Cheng Gan
It relates to, forms bearing and 111 cell wall of presser feet cam path and cooperate.The fit clearance of the bearing 22 and presser feet cam path 111 is greater than
1mm and be less than 3mm, fit clearance is excessive, influence cooperate precision, fit clearance is too small, and be easy to cause stuck.
Embodiment two, a kind of embroidery machine, equipped with the self-lubricating presser feet cam pack in embodiment one.
In addition to above preferred embodiment, for the utility model there are also other embodiments, those skilled in the art can root
It is made various changes and modifications according to the utility model, without departing from the spirit of the utility model, should belong to the utility model
Range defined in claims.
Claims (10)
1. a kind of self-lubricating presser feet cam pack, including presser feet cam and presser feet connecting rod, the first end face of the presser feet cam are set
There is presser feet cam path, the presser feet connecting rod is connected with pin shaft, and the rolling that cooperation is rolled with presser feet cam path is equipped on the pin shaft
Kinetoplast, it is characterised in that：The presser feet cam is equipped with shoe cream room and connection shoe cream room and presser feet for storing lubricating grease
The oilhole of cam path, in presser feet cam rotation process, the lubricating grease in shoe cream room flows under the action of the centrifugal force, and edge
Oilhole flows into presser feet cam path.
2. a kind of self-lubricating presser feet cam pack according to claim 1, it is characterised in that：The presser feet cam pack is also
Including presser feet cam chair, the second end face of the presser feet cam is docked with the first end face of presser feet cam chair, the presser feet cam
The first end face of seat offers oil storage tank, and the second end face of the oil storage tank and presser feet cam surrounds the shoe cream room.
3. a kind of self-lubricating presser feet cam pack according to claim 2, it is characterised in that：The presser feet cam chair and pressure
Foot cam is bolted fixation by first.
4. a kind of self-lubricating presser feet cam pack according to claim 2, it is characterised in that：The oil storage tank is convex along presser feet
The arc-shaped extension in wheel seat edge.
5. a kind of self-lubricating presser feet cam pack according to claim 4, it is characterised in that：The presser feet cam path includes
Orthodrome curved section, small arc-shaped curved section and the transition arc curved section for connecting orthodrome curved section and small arc-shaped curved section,
The oil storage tank is corresponding with orthodrome curve fragment position.
6. a kind of self-lubricating presser feet cam pack according to claim 5, it is characterised in that：The oilhole offers
It two and is respectively corresponded with the arc both ends of oil storage tank.
7. a kind of self-lubricating presser feet cam pack according to claim 5, it is characterised in that：The oilhole offers
One and corresponding with the arc middle position of oil storage tank.
8. a kind of self-lubricating presser feet cam pack according to claim 2 to 7 any one, it is characterised in that：The storage
The depth of oil groove is the one third of presser feet cam chair thickness to half.
9. a kind of self-lubricating presser feet cam pack according to claim 8, it is characterised in that：The diameter of the oilhole
Greater than 2mm and it is less than 5mm.
10. a kind of embroidery machine, it is characterised in that：Equipped with self-lubricating presser feet cam set described in claim 1 to 9 any one
Part.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018202451095 | 2018-02-11 | ||
| CN201820245109 | 2018-02-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208121358U true CN208121358U (en) | 2018-11-20 |
Family
ID=64205714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820332426.0U Active CN208121358U (en) | 2018-02-11 | 2018-03-12 | A kind of self-lubricating presser feet cam pack and embroidery machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208121358U (en) |
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2018
- 2018-03-12 CN CN201820332426.0U patent/CN208121358U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 311800 No. 537 Huandong Street and East Road, Zhuji City, Shaoxing City, Zhejiang Province Patentee after: Zhejiang Xinsheng Science and Technology Co., Ltd. Address before: 311800 No. 537 Huandong Street and East Road, Zhuji City, Shaoxing City, Zhejiang Province Patentee before: Zhejiang Xinsheng Sewing Equipment Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |