CN201455269U - Bobbin case cutting device - Google Patents
Bobbin case cutting device Download PDFInfo
- Publication number
- CN201455269U CN201455269U CN2009201239885U CN200920123988U CN201455269U CN 201455269 U CN201455269 U CN 201455269U CN 2009201239885 U CN2009201239885 U CN 2009201239885U CN 200920123988 U CN200920123988 U CN 200920123988U CN 201455269 U CN201455269 U CN 201455269U
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- China
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- bobbin case
- cam
- positioning seat
- workbench
- case positioning
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- Expired - Fee Related
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Abstract
The utility model relates to a mechanical working device for spare and accessory parts, in particular to a cutting device for processing bobbin cases, and discloses a bobbin case cutting device. The bobbin case cutting device includes a workbench, as well as a bobbin case positioning mechanism and a cutting mechanism mounted on the workbench; the bobbin case positioning mechanism includes a bobbin case positioning seat which is connected with a rotating shaft, the rotating shaft can drive the bobbin case positioning seat to rotate and has an annular rotating block, a cam is arranged on the outer circumference of the annular rotating block, a cam worm is arranged on the workbench, and the cam is in contact connection with the cam worm after rotating a circle along with the annular rotating block; and the cutting mechanism includes a cutting tool bit and a rotating shaft driving the cutting tool bit to rotate, and the rotating shaft is driven by a motor mounted on the workbench. The utility model is characterized by good cutting effect, high production efficiency, low processing cost, and lower requirements of tool manufacture.
Description
Technical field
The utility model relates to a kind of machinery processing apparatus of spare and accessory parts, specifically is a kind of topping machanism that is used for the processing sewing machine bobbin case.
Background technology
At present, common sewing machine bobbin case need carry out the rapid processing of multistep, just can make its precision reach the performance that also can stablize use under high rotating speed; Simultaneously, because the Sewing machine shuttle shell volume is less, difficulty of processing is bigger, and required precision is also corresponding higher.As its precision does not reach requirement to adopt craft to process then, if use Digit Control Machine Tool to process, then can increase the production cost of bobbin case.
The cutting working method of existing sewing machine bobbin case adopts manual cutting more, and manual cutting has much relations with skilled worker's qualification; Feed velocity during cutting and depth of cut have only skilled operator accurately to hold, and the operative intelligence degree is lower, is subjected to ectocine bigger; The bobbin case quality instability of producing, error is bigger; And can not satisfy the needs of large-scale production.In addition, another technical barrier of this technology is: because the processing of bobbin case need be carried out the rapid working angles of multistep, and cutting each time all will separately be carried out, and each cutting all needs to reorientate; And each location will inevitably cause certain error; After locating for several times, the cutting of bobbin case is then bigger; Simultaneously, production efficiency is also lower.Also do not address this problem better method at present.
Summary of the invention
Technical problem to be solved in the utility model is the deficiency that overcomes the above-mentioned background technology, a kind of topping machanism of bobbin case is provided, this device should have the bobbin case to be processed of clamping reliably, has that cutting effect is good, production efficiency is high, processing cost is low, and the cutter manufacturing is required lower characteristics.
Above-mentioned technical problem of the present utility model is implemented by the following technical programs:
A kind of topping machanism of bobbin case, comprise workbench and be installed in bobbin case detent mechanism and cutting mechanism on the workbench, described bobbin case detent mechanism comprises the bobbin case positioning seat, the bobbin case positioning seat links to each other with the turning cylinder that can drive the rotation of bobbin case positioning seat, turning cylinder is provided with annular moving block, the outer circumference surface of annular moving block is provided with cam, and workbench is provided with the cam worm screw, and cam touches with the cam worm screw after rotating a week with annular moving block; Described cutting mechanism comprises cutter tip and drives the rotating shaft that cutter tip rotates that rotating shaft is by the driven by motor that is installed on the workbench.During concrete operations, in the bobbin case positioning seat, place bobbin case to be cut, move the bobbin case detent mechanism to the appropriate location to the cutting mechanism direction, cutter tip is fast rotational under the drive of motor, be arranged on bobbin case in the bobbin case positioning seat under the drive of turning cylinder with the equidirectional rotation of cutter tip.At this moment, bobbin case and cutter tip touch, and working angles begins; When the bobbin case positioning seat rotates a circle, be arranged on cam and the touching of cam worm screw on the annular moving block outer circumference surface, because the cam worm screw is fixed on the workbench, cam just under the extruding force of cam worm screw to moving away from the cutter tip direction, bobbin case and cutter tip stop to touch, and corresponding working angles stops; By cam is set, make each bobbin case all have the identical cutting time, thereby improve the accuracy of bobbin case, the bobbin case that cutting is obtained has identical size.
The topping machanism of above-mentioned bobbin case, as preferably, the described turning cylinder that links to each other with the bobbin case positioning seat is connected with a power transmission shaft is meshing, this power transmission shaft links to each other with motor by belt. by being set, motor and belt drive the power transmission shaft rotation, because power transmission shaft is connected with turning cylinder is meshing, the circumference that the circumference of power transmission shaft changes into turning cylinder rotates, and has utilized mechanical meshing transmission principle herein, reaches turning cylinder and makes the purpose that circumference rotates.
The topping machanism of above-mentioned bobbin case, as preferably, described cutter tip and bobbin case positioning seat in opposite directions and right, and the pivot center of the pivot center of cutter tip and bobbin case positioning seat is parallel to each other.In the work, cutter tip is fast rotational under the drive of motor, be arranged on bobbin case in the bobbin case positioning seat under the drive of turning cylinder with the equidirectional rotation of cutter tip.
The topping machanism of above-mentioned bobbin case, as preferably, described cam is the meniscus structure of the center of circle towards annular moving block, and is fixedly installed on the outer circumference surface of annular moving block.Cam intermittently with the cam worm screw touching that is fixed on the workbench, is controlled working angles along with the circumference of annular moving block rotates.
The topping machanism of above-mentioned bobbin case, as preferably, the described rotating steadying bar that links to each other with the bobbin case positioning seat is located on the upper slide, upper slide is located on the middle slide plate, middle slide plate is slidingly connected by slide block and the lower skateboard that is fixed on the middle slide plate bottom surface again, and lower skateboard is erected on the workbench, and a side of lower skateboard also is provided with vertical baffle, the side of lower skateboard fixedly connected an end of spring, the other end of this spring is fixedly linked with the side of middle slide plate again.In this preferred version, middle slide plate can slide on lower skateboard by the slide block that is fixed on the middle slide plate bottom surface, because lower skateboard is fixed on the workbench, and be fixed with the cam worm screw on the workbench, so, when the bobbin case positioning seat rotates a circle, be arranged on cam and the touching of cam worm screw on the annular moving block outer circumference surface, cam just under the extruding force of cam worm screw to moving away from the cutter tip direction, bobbin case and cutter tip stop to touch, corresponding working angles stops; After cam turns over the cam worm screw, middle slide plate is under the effect of spring restoring force, upper slide is retracted, the turning cylinder that links to each other with the bobbin case positioning seat that is erected on the upper slide returns to the original state that is provided with, after last round of bobbin case working angles is finished, take off the bobbin case that cuts, then carry out second working angles to bobbin case of taking turns.
The topping machanism of above-mentioned bobbin case, as preferably, the side of described middle slide plate connects the spring place and is provided with a boss, lower skateboard is provided with stroke switchgear, stroke switchgear is protruding a pressure head, this pressure head when the boss horizontal slip and the boss squash type touch.When the bobbin case positioning seat rotates a circle, be arranged on cam and the touching of cam worm screw on the annular moving block outer circumference surface, cam just under the extruding force of cam worm screw to moving away from the cutter tip direction, upper slide and middle slide plate are simultaneously to moving away from the cutter tip direction, the boss and the pressure head squash type that are located at the middle slide plate side touch, pressure head is depressed, cause stroke switchgear to enter closed condition, by the circuit arrangement outage of stroke switchgear control, this moment, the operator can load and unload bobbin case fool proofly.
Material of the present invention compared with prior art has significant technique effect:
1. by on the annular moving block outer circumference surface that rotates with the bobbin case holder, cam being set, and the cam worm screw of matching with cam and using that on workbench, is provided with, realize the purpose of even cutting, improved working (machining) efficiency widely, reduced the cutting error.
2. owing to adopted motor to carry out the bobbin case cutting, improve the intelligent level of bobbin case cutting widely, on processing progress, realized control more accurately, reduced process time simultaneously; Can realize serialization production, finish the needs of large-scale production.
3. saved the great amount of manpower work, the operation that relates to the product precision is finished by the automatic control of machinery substantially, and normal operations worker all can finish this operation.
Description of drawings
Fig. 1 is an agent structure schematic diagram of the present utility model.
Fig. 2 is the transmission mechanism structural representation that is used to drive the turning cylinder rotation that links to each other with the bobbin case positioning seat in the utility model.
Fig. 3 is the utility model cam and the cam worm screw structural representation when touching.
Fig. 4 is the rotating steadying bar that links to each other with the bobbin case positioning seat in the utility model structural representation when being located at upper sliding plate.
Fig. 5 is the skateboard schematic diagram that is used to realize the bobbin case working angles in the utility model.
Fig. 6 is the scheme of installation of stroke switchgear in the utility model.
The specific embodiment
Below by specific embodiment the technical solution of the utility model is described further.
A kind of topping machanism of bobbin case, as shown in Figure 1, comprise workbench 11 and be installed in bobbin case detent mechanism and cutting mechanism on the workbench 11, described bobbin case detent mechanism comprises bobbin case positioning seat 4, bobbin case positioning seat 4 links to each other with the turning cylinder 7 that can drive 4 rotations of bobbin case positioning seat, and turning cylinder 7 is provided with annular moving block 5, and the outer circumference surface of annular moving block 5 is provided with cam 6, workbench 11 is provided with cam worm screw 8, and cam 6 touches with cam worm screw 8 after rotating a week with annular moving block 5; Described cutting mechanism comprises cutter tip 3 and drives the rotating shaft 2 that cutter tip 3 rotates that rotating shaft 2 is driven by the motor 1 that is installed on the workbench 11.
As shown in Figure 2, with the turning cylinder 7 and 10 meshing connections an of power transmission shaft that bobbin case positioning seat 4 links to each other, this power transmission shaft 10 links to each other with motor 9 by belt 91.
Cutter tip 3 and bobbin case positioning seat 5 in opposite directions and right, and the pivot center of the pivot center of cutter tip 3 and bobbin case positioning seat 5 is parallel to each other; Cam 6 is the meniscus structure of the center of circle towards annular moving block 5, and is fixedly installed on the outer circumference surface of annular moving block 5.
As shown in Figure 4 and Figure 5, the turning cylinder 7 that links to each other with bobbin case positioning seat 4 is erected on the upper slide 13, upper slide 13 is located on the middle slide plate 14, middle slide plate 14 is slidingly connected with lower skateboard 16 by the slide block 15 that is fixed on middle slide plate 14 bottom surfaces again, lower skateboard 16 is erected on the workbench 11, one side of lower skateboard 16 also is provided with vertical baffle 12, the side of lower skateboard 16 fixedly connected an end of spring 17, the other end of this spring 17 is fixedly linked with the side of middle slide plate 14 again.
As shown in Figure 6, the side of middle slide plate 14 connects spring 17 places and is provided with a boss 18, and lower skateboard 16 is provided with stroke switchgear 20, and stroke switchgear 20 is protruding a pressure head 19, this pressure head 19 when boss 18 horizontal slips and boss 18 squash types touch.
Operation principle of the present utility model is: place bobbin case to be cut in bobbin case positioning seat 4, move the bobbin case detent mechanism to the appropriate location to the cutting mechanism direction, cutter tip 3 is fast rotational under the drive of motor 1, be arranged on bobbin case in the bobbin case positioning seat 4 under the drive of turning cylinder 7 with cutter tip 3 equidirectional rotations.At this moment, bobbin case and cutter tip 3 touch, and working angles begins; When bobbin case positioning seat 4 rotates a circle, be arranged on cam 6 and 8 touchings of cam worm screw on annular moving block 5 outer circumference surfaces, because cam worm screw 8 is fixed on the workbench 11, cam 6 just under the extruding force of cam worm screw 8 to moving away from cutter tip 3 directions, bobbin case and cutter tip 3 stop to touch, and corresponding working angles stops; By cam 6 is set, make each bobbin case all have the identical cutting time, thereby improve the accuracy of bobbin case, the bobbin case that cutting is obtained has identical size.
The beginning of above-mentioned working angles with stop, be again the realization that cooperates by corresponding sliding panel structure and stroke switchgear: middle slide plate 14 can slide on lower skateboard 16 by the slide block 15 that is fixed on middle slide plate 14 bottom surfaces, because lower skateboard 16 is fixed on the workbench 11, and be fixed with cam worm screw 8 on the workbench 11, so, when bobbin case positioning seat 4 rotates a circle, be arranged on cam 6 and 8 touchings of cam worm screw on annular moving block 5 outer circumference surfaces, cam 6 just under the extruding force of cam worm screw 8 to moving away from cutter tip 3 directions, bobbin case and cutter tip 3 stop to touch, and corresponding working angles stops; After cam 6 turns over cam worm screw 8, middle slide plate 14 is under the effect of spring 17 elastic-restoring forces, upper slide 13 is retracted, the turning cylinder 7 that links to each other with bobbin case positioning seat 4 that is erected on the upper slide 13 returns to the original state that is provided with, after last round of bobbin case working angles is finished, take off the bobbin case that cuts, then carry out second working angles to bobbin case of taking turns.
When bobbin case positioning seat 4 rotates a circle, be arranged on cam 6 and 8 touchings of cam worm screw on annular moving block 5 outer circumference surfaces, cam 6 just under the extruding force of cam worm screw 8 to moving away from cutter tip 3 directions, upper slide 13 and middle slide plate 14 are simultaneously to moving away from cutter tip 3 directions, the boss 18 that is located at middle slide plate 14 sides touches with pressure head 19 squash types, pressure head 19 is depressed, cause stroke switchgear 20 to enter closed condition, by the circuit arrangement outage of stroke switchgear 20 controls, this moment, the operator can load and unload bobbin case fool proofly.
Claims (6)
1. the topping machanism of a bobbin case, comprise workbench (11) and be installed in bobbin case detent mechanism and cutting mechanism on the workbench (11), it is characterized in that: described bobbin case detent mechanism comprises bobbin case positioning seat (4), bobbin case positioning seat (4) links to each other with the turning cylinder (7) that can drive bobbin case positioning seat (4) rotation, turning cylinder (7) is provided with annular moving block (5), the outer circumference surface of annular moving block (5) is provided with cam (6), workbench (11) is provided with cam worm screw (8), and cam (6) touches with cam worm screw (8) after rotating a week with annular moving block (5); Described cutting mechanism comprises cutter tip (3) and drives the rotating shaft (2) that cutter tip (3) rotates that rotating shaft (2) is driven by the motor (1) that is installed on the workbench (11).
2. the topping machanism of bobbin case according to claim 1 is characterized in that: the described turning cylinder (7) and meshing connection of a power transmission shaft (10) that links to each other with bobbin case positioning seat (4), this power transmission shaft (10) pass through belt (91) and link to each other with motor (9).
3. the topping machanism of bobbin case according to claim 1 and 2 is characterized in that: described cutter tip (3) and bobbin case positioning seat (5) in opposite directions and right, and the pivot center of the pivot center of cutter tip (3) and bobbin case positioning seat (5) is parallel to each other.
4. the topping machanism of bobbin case according to claim 3 is characterized in that: described cam (6) is the meniscus structure of the center of circle towards annular moving block (5), and is fixedly installed on the outer circumference surface of annular moving block (5).
5. the topping machanism of bobbin case according to claim 3, it is characterized in that: the described turning cylinder (7) that links to each other with bobbin case positioning seat (4) is erected on the upper slide (13), upper slide (13) is located on the middle slide plate (14), middle slide plate (14) is slidingly connected with lower skateboard (16) by the slide block (15) that is fixed on middle slide plate (14) bottom surface again, lower skateboard (16) is erected on the workbench (11), one side of lower skateboard (16) also is provided with vertical baffle (12), the side of lower skateboard (16) fixedly connected an end of spring (17), the other end of this spring (17) is fixedly linked with the side of middle slide plate (14) again.
6. the topping machanism of bobbin case according to claim 5, it is characterized in that: the side of described middle slide plate (14) connects spring (17) and locates to be provided with a boss (18), lower skateboard (16) is provided with stroke switchgear (20), stroke switchgear (20) is protruding a pressure head (19), this pressure head (19) when boss (18) horizontal slip and boss (18) squash type touch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201239885U CN201455269U (en) | 2009-07-09 | 2009-07-09 | Bobbin case cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201239885U CN201455269U (en) | 2009-07-09 | 2009-07-09 | Bobbin case cutting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201455269U true CN201455269U (en) | 2010-05-12 |
Family
ID=42382619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201239885U Expired - Fee Related CN201455269U (en) | 2009-07-09 | 2009-07-09 | Bobbin case cutting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201455269U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101607318B (en) * | 2009-07-09 | 2013-12-11 | 徐凤南 | Bobbin case cutting device |
-
2009
- 2009-07-09 CN CN2009201239885U patent/CN201455269U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101607318B (en) * | 2009-07-09 | 2013-12-11 | 徐凤南 | Bobbin case cutting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100512 Termination date: 20110709 |