CN209795952U - spring transfer device and pocket spring manufacturing equipment - Google Patents
spring transfer device and pocket spring manufacturing equipment Download PDFInfo
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- CN209795952U CN209795952U CN201920388990.9U CN201920388990U CN209795952U CN 209795952 U CN209795952 U CN 209795952U CN 201920388990 U CN201920388990 U CN 201920388990U CN 209795952 U CN209795952 U CN 209795952U
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Abstract
The utility model discloses a spring transfer device and bagged spring manufacture equipment, bagged spring manufacture equipment include spring coiling device, spring transfer device, spring conveyor and spring sack filling device, and spring transfer device includes: a rotating base body; the magnetic bases are arranged on the rotary seat body and used for magnetically attracting the springs, the number of the magnetic bases is at least one, the magnetic bases can be driven by the rotary seat body to circularly move, and the magnetic bases are provided with a spring releasing station and a spring supplying station in the circular movement; the spring transfer device can suck the transfer spring through magnetic force, can stably, quickly and reliably transfer the spring sent out by the spring coiling device to the spring conveying device, is compact in overall structural arrangement, occupies small space, and effectively reduces manufacturing cost and maintenance cost.
Description
Technical Field
The utility model relates to a mattress mechanical equipment technical field, in particular to spring transfer device and bagged spring manufacture equipment.
Background
The bagged springs are usually manufactured by rolling the springs by a spring coiling machine to form the springs, then compressing the springs to a certain degree by a spring compression mechanism and a spring conveying mechanism and conveying the compressed springs to a bagging mechanism, and the bagging mechanism wraps and encapsulates each front and back adjacent spring by cloth to form a bagged spring string.
spring compression mechanism and spring conveying mechanism are the mechanism of independent action respectively among the conventional art, and spring compression mechanism compresses the spring earlier, and the rethread spring conveying mechanism carries after the compression is accomplished, and the structure is complicated, and is bulky, and is inefficient. Although the prior art proposes a spring compression conveying mechanism integrating a spring compression mechanism and a spring conveying mechanism, such as a compressed conveying mechanism for producing bagged springs disclosed in patent CN 103879604B, the structure of this type has the problems of complicated structure, high manufacturing cost and high maintenance cost.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a compact structure, make spring transfer device and bagged spring manufacture equipment that maintenance cost is low.
The utility model discloses a first aspect provides a spring transfer device, include: a rotating base body; the magnetic bases are arranged on the rotary seat body and used for magnetically attracting the springs, the number of the magnetic bases is at least one, the magnetic bases can be driven by the rotary seat body to circularly move, and the magnetic bases are provided with a spring releasing station and a spring supplying station in the circular movement; and the pushing mechanism can push the spring to move and separate from the magnetic base on the spring-releasing station.
The spring transfer device at least has the following beneficial effects: the rotary seat body drives the magnetic base to circularly move to the spring supplying station, the spring is attracted by magnetic force, the spring is driven to move to the spring releasing station, the spring is pushed to move by the pushing mechanism to overcome the magnetic force of the magnetic base on the spring at the spring releasing station, so that the spring is separated from the magnetic base and enters the next process operation, the whole structure is compact, the spring transfer transition is fast, stable and reliable, and the manufacturing cost and the maintenance cost are effectively reduced.
According to the utility model discloses first aspect the spring transfer device, the magnetism base sets up to two or four, sets up along the circumferencial direction interval rotatory pedestal is last.
According to the utility model discloses first aspect the spring transfer device, advancing mechanism is including setting up rotatory pedestal below can reciprocating motion's push rod component and/or setting be in the push pedal component of the edge side of magnetic pedestal.
according to the utility model discloses first aspect the spring transfer device, supply the spring station with take off the spring station and arrange relatively from top to bottom.
The second aspect of the utility model provides a bagged spring manufacture equipment, including the front and back coil spring device that sets gradually the utility model discloses the first aspect spring transfer device, spring conveyor and spring sack filling device.
The bagged spring manufacturing equipment at least has the following beneficial effects: the spring transfer device sucks the transfer spring through magnetic force, can stably, quickly and reliably transfer the spring sent out by the spring coiling device to the spring conveying device, is compact in overall structure arrangement and small in occupied space, and effectively reduces manufacturing cost and maintenance cost.
According to the utility model discloses in the second aspect spring manufacturing equipment in bags, the spring coiling device has the spring and supplies the export, the magnetic base circulation move to supply the spring station can hold through the spring that the export of spring supply was seen off, the magnetic base circulation move to the spring-out station can pass through advancing mechanism makes the spring break away from the magnetic base transfer enter into extremely spring conveyor.
According to the utility model discloses in the second aspect spring manufacture equipment in bags, spring conveyor includes that the interval sets up mutually opposingly two sets of annular conveying mechanism, and is two sets of interval region between the annular conveying mechanism constitutes spring transfer passage, spring transfer passage's front and back both ends form spring transport entry and spring transport export respectively, spring transport entry sets up to making the spring get into, the width that spring transport exported is less than spring transport entry's width.
According to the utility model discloses in the second aspect pocket spring manufacture equipment, it is two sets of annular conveying mechanism comprises two sections at least annular conveying member end to end, two sections end to end annular conveying member at least part is coincided and is connected through same drive element transmission.
According to the pocket spring manufacturing equipment of the second aspect of the present invention, a predetermined included angle is formed between the two sections of the annular conveying members connected end to end.
According to the utility model discloses in the second aspect spring manufacture equipment in bags, it is two sets of annular conveying mechanism comprises anterior segment annular conveying component and back end annular conveying component end to end, the interval region between the anterior segment annular conveying component constitutes anterior segment spring transfer passage, anterior segment spring transfer passage's width reduces along the direction of delivery of spring gradually, interval region between the back end annular conveying component constitutes back end spring transfer passage, anterior segment spring transfer passage with back end spring transfer passage communicates along the direction of delivery of spring.
According to the utility model discloses aspect in pocket spring manufacture equipment, anterior segment annular conveying component includes two at least anterior segment endless belts or anterior segment endless chain, back end endless conveying component includes an at least back end endless belt or back end endless chain, anterior segment endless belt or anterior segment endless chain with back end endless belt or back end endless chain interval are crisscross to be encircleed on same band pulley or sprocket.
According to the utility model discloses in the second aspect spring manufacture equipment in bags, anterior segment annular conveying component is two anterior segment annular belts or anterior segment annular chains, back end annular conveying component is a back end annular belt or back end annular chain, perhaps, anterior segment annular conveying component is three anterior segment annular belts or anterior segment annular chains, back end annular conveying component is two back end annular belts or back end annular chains.
According to the utility model discloses in the second aspect spring manufacture equipment in bags, the front end of anterior segment annular conveying member is located spring conveying entrance and forms the outside extension that stretches out of predetermined length, first angle has between the direction of delivery of anterior segment annular conveying member and spring, second angle has between the direction of delivery of extension and spring, the second angle is greater than first angle.
Drawings
The present invention will be further described with reference to the accompanying drawings and examples;
fig. 1 is a schematic structural diagram of an embodiment of a spring transfer device of the present invention;
FIG. 2 is a schematic view of the pushing mechanism of the spring transfer device according to the present invention;
FIG. 3 is a schematic structural view of an embodiment of the spring transfer device of the present invention, in which the pushing mechanism is a combination of a push rod member and a push plate member;
FIG. 4 is a schematic structural view of an embodiment of the pocket spring manufacturing apparatus of the present invention;
FIG. 5 is a top view of a partial structure of an embodiment of the pocket spring manufacturing apparatus of the present invention;
FIG. 6 is a schematic structural view of a spring conveyor in an embodiment of the pocket spring manufacturing apparatus of the present invention;
FIG. 7 is a partially enlarged schematic view of FIG. 6;
Fig. 8 is a partially enlarged schematic structural view of an annular conveying member in an embodiment of the pocket spring manufacturing apparatus of the present invention.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
in the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
referring to fig. 1, 4 and 5, a bagged spring manufacturing apparatus according to an embodiment of the present invention is used for manufacturing a bagged spring string, and includes a coil spring device 10, a spring transfer device 20, a spring conveying device 30 and a spring bagging device 40, which are sequentially disposed, wherein the coil spring device 10 can roll a metal wire into a spiral spring and send out the spiral spring; the spring transfer device 20 receives the spring sent by the spring coiling device 10 and transfers the spring to the spring conveying device 30; the spring conveying device 30 receives the springs transferred by the spring transfer device 20, conveys the springs to the spring bagging device 40, and compresses the springs to a certain degree at the same time of conveying, wherein the compression degree is selected according to the bagged spring product requirement; the spring bagging device 40 independently packages and wraps the springs through cloth to form a bagged spring string.
Referring to fig. 1, 2 and 3, the spring transfer device 20 includes a rotary base 21, a magnetic base 22 and a pushing mechanism 23, the spring coiling device 10 has a spring supply outlet through which a coiled spring is sent out, the rotary base 21 is disposed below the spring supply outlet of the spring coiling device 10, the rotary base 21 can rotate around a central axis, four magnetic bases 22 are disposed on the rotary base 21 around the central axis at equal intervals along a circumferential direction, the magnetic bases 22 have magnetism, the magnetic bases can attract the spring and drive the spring to move by magnetic force, the rotary base 21 can drive the four magnetic bases 22 to rotate around the central axis to perform periodic cyclic movement, one rotation of the rotary base 21 is a periodic cycle, and during the periodic cyclic movement of the magnetic bases 22, there are two stations or positions, namely a spring supply station and a spring release station, the spring supplying station is a magnetic base 22 for receiving the spring sent by the spring coiling device 10 and magnetically attracting the spring, and the spring releasing station is a spring releasing magnetic base 22, in this embodiment, the spring supplying station is located above, the spring releasing station is located below, and the two stations are arranged oppositely up and down.
in some embodiments, two magnetic bases 22 are oppositely disposed on the rotary seat 21, so that one magnetic base 22 is in the spring supplying station and the other magnetic base 22 is in the spring releasing station. Of course, only one magnetic base 22 may be disposed on the rotation base body 21, and one magnetic base 22 may rotate around the central axis of the rotation base body 21. The magnetic bases 22 are provided in two or four, ensuring the spring transfer speed while making the overall structure more compact.
In this embodiment, at the upper spring supplying station, the spring is sent out from the spring supplying outlet of the spring coiling device 10, falls on one of the magnetic bases 22 and is attracted by magnetic force, the rotary seat body 21 rotates to drive the magnetic base 22 to rotate and move to the lower spring releasing station, and the pushing mechanism 23 pushes the spring to move to overcome the magnetic force of the magnetic base 22 to the spring, so that the spring is released from the magnetic base 22.
The pushing mechanism 23 includes a push rod member 231 and a cylinder or a motor capable of driving the push rod member 231 to reciprocate back and forth, the push rod member 231 may be flexibly configured and may be in contact with a spring to smoothly push the spring to move, and a path of the forward and backward reciprocating movement of the push rod member 231 is located below the magnetic base 22 at the lowest position to avoid interference with the magnetic base 22 in the circulating movement.
In the description of the present embodiment, the terms "front" and "rear" can be understood with reference to fig. 2, the spring is pushed by the pusher member 231 to move backward and then reset to move forward, and the moving direction of the spring disengagement is moved from "front" to "rear" to disengage.
Referring to fig. 2, the springs are attracted by the magnetic force of the magnetic base 22 and circularly move to a spring releasing station, the push rod member 231 moves backwards to be in abutting contact with the springs, the springs are pushed to move to overcome the magnetic force of the magnetic base 22 on the springs, so that the springs smoothly enter the spring conveying device 30, then, the push rod member 231 returns to move forwards, the rotary seat body 21 rotates to enable the next magnetic base 22 attracting the springs to move to the spring releasing station, the push rod member 231 moves backwards again to be in abutting contact with the springs, the springs are pushed to move to overcome the magnetic force of the magnetic base 22 on the springs, so that the springs smoothly enter the spring conveying device 30, and the operation is repeated, and the stable and efficient transfer of the springs is realized.
In some other embodiments, the pushing mechanism 23 may further include a pushing plate member 232 fixedly disposed at an edge side end of the magnetic base 22, the pushing rod member 231 and the pushing plate member 232 cooperatively push the spring to disengage from the magnetic base 22, the pushing plate member 232 is of a plate-shaped structure and extends outward from the edge side end of the magnetic base 22 by a distance, the edge side end is a side away from a rotation direction of the magnetic base 22, when the rotation base 21 drives the magnetic base 22 to rotate, the pushing plate member 232 can also pull the spring to rotate, and when the magnetic base 22 attracts the spring to move to the spring disengaging station, the spring disengaging movement can be further made to be more stable and reliable by the added pushing plate member 232.
Of course, it will be appreciated that in some embodiments, pusher mechanism 23 may be provided with push plate member 232 alone, and that in the unsprung position, the magnetic base 22 is moved rotationally to trip the spring out of engagement by push plate member 232.
The embodiment of the utility model provides a transfer spring is inhaled through magnetic force to spring transfer device 20 and makes the spring break away from through advancing mechanism 23, can realize steadily transferring spring conveyor 30 with the spring that spring coiling device 10 sent out reliably, compact structure, occupation space is little, reduces manufacturing cost and maintenance cost effectively.
The embodiment of the utility model provides an among the bagged spring manufacture equipment, spring conveyor 30 is used for carrying the spring and carries out the compression of certain degree to the spring.
Wherein, the specific position arrangement of the spring coiling device 10, the spring transfer device 20, the spring conveying device 30 and the spring bagging device 40 can be flexibly adjusted, but needs to be arranged in sequence along the conveying direction of the spring.
In the description of the present embodiment, the directions of the terms "front", "back", "left" and "right" are oriented, and it can be understood by referring to fig. 5, that the conveying direction of the spring in the spring conveying device 30 is from "front" to "back".
Referring to fig. 4 and 5, the spring conveying device 30 includes two sets of annular conveying mechanisms 31 disposed opposite to each other at a left side and a right side, wherein a gap region between the annular conveying mechanisms 31 at the left side and the right side forms a spring conveying channel in which springs are conveyed from front to back, and specifically, the two sets of annular conveying mechanisms 31 are both formed by two sections of annular conveying members connected end to end, which are a front section annular conveying member 311 and a rear section annular conveying member 312 respectively, and the annular conveying members are flexible annular conveying belts or chains, such as annular belts or annular chains.
The interval region between the front section annular conveying members 311 on the left side and the right side forms a front section spring conveying channel 313, the width of the front section spring conveying channel 313 is gradually reduced along the conveying direction of the spring, the front section spring conveying channel 313 is in a V shape and is a V-shaped section, the spring is conveyed in the front section spring conveying channel 313 and can be gradually compressed, the interval region between the rear section annular conveying members 312 on the left side and the right side forms a rear section spring conveying channel 314, the rear section spring conveying channel 314 is in a rectangular shape and is a straight section, a preset included angle is formed between the front section annular conveying members 311 and the rear section annular conveying members 312, specific numerical value technicians in the field can select according to practice, the front section spring conveying channel 313 and the rear section spring conveying channel 314 are communicated along the conveying direction of the spring, and the spring enters the rear section spring conveying channel 314 to continue to convey backwards after the compression in the front section spring conveying channel 313.
The front end of the front section spring conveying channel 313 serves as a spring conveying inlet 315, a spring enters the front section spring conveying channel 313 through the spring conveying inlet, the width of the spring conveying inlet 315 is equal to or slightly smaller than the natural height of the spring, two ends of the spring can be respectively abutted against and contacted with the front section annular conveying members 311 on the left side and the right side, the spring can smoothly enter the spring, and then the front section annular conveying members 311 can drive the spring to move and convey. The rear end of the rear spring conveying channel 314 serves as a spring conveying outlet 316, and the springs are compressed and conveyed through the front spring conveying channel 313, enter the rear spring conveying channel 314, and are conveyed out through the spring conveying outlet 316 and enter the spring bagging device 40.
referring to fig. 1, the spring transfer device 20 is disposed above the spring conveying inlet 315 of the spring conveying device 30, the position of the spring releasing station of the magnetic base 22 corresponds to the spring conveying inlet 315, when the magnetic base 22 attracts the spring and moves to the spring releasing station, two ends of the spring just contact with the front segment annular conveying members 311 on the left and right sides at the spring conveying inlet 315 or a slight gap exists, the spring is released from the control of the magnetic base 22 due to the action of the pushing mechanism 23, the transfer is controlled by the front segment annular conveying members 311 on the left and right sides, and the spring is clamped and conveyed by the front segment annular conveying members 311, so that the spring is smoothly and smoothly transferred and transited from the spring transfer device 20 to the spring conveying device 30.
referring to fig. 6 and 7, in this embodiment, the front annular conveying member 311 and the rear annular conveying member 312 are overlapped at the joint position and are in transmission connection through the same transmission member 317, and the transmission speed of the front annular conveying member 311 and the transmission speed of the rear annular conveying member 312 are ensured to be the same through the transmission connection of the same transmission member 317, specifically, the front annular conveying member 311 is two front annular belts or front annular chains, the rear annular conveying member 312 is one rear annular belt or rear annular chain, and the two are alternately wound on the same belt wheel or chain wheel, since the front annular conveying member 311 and the rear annular conveying member 312 are overlapped and alternately arranged at the joint position, the spring is more stably and reliably transferred from the clamping conveying of the front annular conveying member 311 to the clamping conveying of the rear annular conveying member 312, and the snap spring phenomenon at the joint position is avoided, especially when the angle between the front annular conveying member 311 and the rear annular conveying member 312 is large.
Referring to fig. 8, in other embodiments, the front-end conveying member 311 is three front-end endless belts or chains, and the rear-end conveying member 312 is two rear-end endless belts or chains, which are also alternately wound around the same pulley or sprocket.
In some embodiments, the left and right annular conveying mechanisms 31 may be provided with only one section of annular conveying member without dividing the front section and the rear section, and the spring conveying channel for conveying the springs is entirely V-shaped, and the springs are gradually compressed and discharged in the spring conveying channel.
It can be understood that the left and right annular conveying mechanisms 31 can also be composed of multiple sections of annular conveying members, and the specific number of the annular conveying members can be flexibly selected by those skilled in the art according to the actual situation, and a predetermined included angle can be formed between two sections of annular conveying members which are connected end to end, so that the left and right annular conveying mechanisms 31 can be arranged in a zigzag shape.
Referring to fig. 1 and 5, in the present embodiment, the front end of the front section annular conveying member 311 is located at the spring conveying inlet 315, and has an extending portion 318 with a predetermined length extending outward, the extending portion 318 is formed by two adjacent pulleys or sprockets, the length of the extending portion 318 is less than 400mm, since the front section annular conveying members 311 on both sides are arranged in a V shape, an included angle is naturally formed between the front section annular conveying member 311 and the conveying direction of the spring, and the included angle is a first angle, and the specific value is adjusted by those skilled in the art according to the specification and size of the spring; because the extension 318 extends outward toward the left and right sides, the extension 318 also has a larger included angle with the conveying direction of the spring, the included angle is a second angle, and the second angle is at least 5 degrees larger than the first angle, so that a larger opening can be formed, and the spring can enter through the spring conveying inlet 315 more conveniently.
The embodiment of the utility model provides an among the bagged spring manufacture equipment, spring sack filling device 40 independently encapsulates the parcel through the cloth to the spring and forms the bagged spring cluster, and spring sack filling device 40's concrete structural style can select the common structural style in this field, no longer gives details here.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (14)
1. Spring transfer apparatus, characterized in that it comprises:
A rotating base body;
The magnetic bases are arranged on the rotary seat body and used for magnetically attracting the springs, the number of the magnetic bases is at least one, the magnetic bases can be driven by the rotary seat body to circularly move, and the magnetic bases are provided with a spring releasing station and a spring supplying station in the circular movement; and
And the pushing mechanism can push the spring to move and separate from the magnetic base on the spring-releasing station.
2. The spring transfer device of claim 1, wherein: the number of the magnetic bases is two or four, and the magnetic bases are arranged on the rotary base body at intervals along the circumferential direction.
3. The spring transfer device of claim 1 or 2, wherein: the pushing mechanism comprises a push rod component which is arranged below the rotary seat body and can move in a reciprocating mode and/or a push plate component which is arranged at the edge side end of the magnetic base.
4. The spring transfer device of claim 1 or 2, wherein: the spring supply station and the spring release station are arranged vertically and oppositely.
5. Pocket spring manufacture equipment, its characterized in that: comprising a spring coiling device, a spring transfer device, a spring conveying device and a spring bagging device which are arranged in sequence from one to the other.
6. The pocketed spring manufacturing apparatus of claim 5, wherein: the spring coiling device is provided with a spring supply outlet, the magnetic base circularly moves to the spring supply station and can suck the spring sent out through the spring supply outlet, and the magnetic base circularly moves to the spring release station and can be separated from the magnetic base by the pushing mechanism to be transferred into the spring conveying device.
7. The pocketed spring manufacturing apparatus of claim 6, wherein: spring conveyor includes that the interval stands two sets of annular conveying mechanism that set up each other, and is two sets of interval region between the annular conveying mechanism constitutes spring transfer passage, spring transfer passage's front and back both ends form spring transport entry and spring transport export respectively, spring transport entry sets up to make the spring get into, the width that spring transported the export is less than the width that spring transported the entry.
8. the pocketed spring manufacturing apparatus of claim 7, wherein: the two groups of annular conveying mechanisms are formed by connecting at least two sections of annular conveying members end to end, and at least part of the two sections of annular conveying members connected end to end are overlapped and are in transmission connection through the same transmission member.
9. The pocketed spring manufacturing apparatus of claim 8, wherein: and a preset included angle is formed between two sections of the annular conveying members which are connected end to end.
10. The pocketed spring manufacturing apparatus of claim 8 or 9, wherein: the two groups of annular conveying mechanisms are respectively formed by connecting a front section annular conveying component and a rear section annular conveying component end to end, a spacing region between the front section annular conveying components forms a front section spring conveying channel, the width of the front section spring conveying channel is gradually reduced along the conveying direction of springs, a spacing region between the rear section annular conveying components forms a rear section spring conveying channel, and the front section spring conveying channel is communicated with the rear section spring conveying channel along the conveying direction of the springs.
11. The pocketed spring manufacturing apparatus of claim 10, wherein: the front section annular conveying component comprises at least two front section annular belts or front section annular chains, the rear section annular conveying component comprises at least one rear section annular belt or rear section annular chain, and the front section annular belts or the front section annular chains and the rear section annular belts or the rear section annular chains are alternately and alternately wound on the same belt wheel or chain wheel.
12. The pocketed spring manufacturing apparatus of claim 11, wherein: the front section annular conveying component is two front section annular belts or front section annular chains, and the rear section annular conveying component is a rear section annular belt or rear section annular chain.
13. The pocketed spring manufacturing apparatus of claim 11, wherein: the front section annular conveying members are three front section annular belts or front section annular chains, and the rear section annular conveying members are two rear section annular belts or rear section annular chains.
14. The pocketed spring manufacturing apparatus of claim 10, wherein: the front end of the front section annular conveying member is positioned at a spring conveying inlet to form an extending part with a preset length extending outwards, a first angle is formed between the front section annular conveying member and the conveying direction of the spring, a second angle is formed between the extending part and the conveying direction of the spring, and the second angle is larger than the first angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920388990.9U CN209795952U (en) | 2019-03-25 | 2019-03-25 | spring transfer device and pocket spring manufacturing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920388990.9U CN209795952U (en) | 2019-03-25 | 2019-03-25 | spring transfer device and pocket spring manufacturing equipment |
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| Publication Number | Publication Date |
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| CN209795952U true CN209795952U (en) | 2019-12-17 |
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| CN201920388990.9U Active CN209795952U (en) | 2019-03-25 | 2019-03-25 | spring transfer device and pocket spring manufacturing equipment |
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| CN (1) | CN209795952U (en) |
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2019
- 2019-03-25 CN CN201920388990.9U patent/CN209795952U/en active Active
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