Spring feeding device for bread spring manufacturing

Abstract

The utility model discloses a spring feeding device for bread spring manufacturing, which comprises a conveying mechanism comprising a first conveying belt and a second conveying belt which are arranged side by side, the conveying directions of the first conveying belt and the second conveying belt are opposite, and the first conveying belt and the second conveying belt are positioned between a first spring winding device and a second spring winding device; and the transferring mechanism comprises a translation assembly, a lifting assembly and a transferring assembly, the translation assembly is used for driving the transferring assembly to translate, the lifting assembly is used for driving the transferring assembly to ascend and descend, and the transferring assembly can alternately transfer the first row of springs and the second row of springs and transfer the springs to an assembling mechanism of the bread spring manufacturing machine. According to the spring feeding device for bread spring manufacturing, supply can be increased, the production and manufacturing requirements are met, cloth waste caused by lack of springs in a cloth bag is avoided, and cloth is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of bread spring manufacturing equipment, and particularly relates to a spring feeding device for bread spring manufacturing. BACKGROUND

[0002] In the production of bread spring, the iron wire is usually wound into a spring first, and then the spring is placed on the conveying belt through the spring feeding mechanism. The conveying belt transports the spring to the assembly mechanism, and then the spring is constrained in the cloth bag formed by welding.

[0003] Specifically, the conveying belt continuously conveys the spring, and when the spring fills the specified area on the conveying belt, the whole row of springs is transferred to the assembly mechanism.

[0004] However, the supply of springs cannot meet the needs of efficient production, and when the spring supply is stopped due to maintenance, the spring in the cloth bag will be missing, wasting cloth. UTILITY MODEL CONTENT

[0005] The utility model aims at at least solving one of the technical problems existing in the prior art. To this end, the utility model provides a spring feeding device for bread spring manufacturing, which can increase the supply, meet the needs of production and manufacturing, avoid the waste of cloth caused by the missing of springs in the cloth bag, and save cloth.

[0006] According to the spring feeding device for bread spring manufacturing, the first conveying belt and the second conveying belt are arranged side by side, the conveying directions of the first conveying belt and the second conveying belt are opposite, the first conveying belt is provided with the first spring winding device, the second conveying belt is provided with the second spring winding device, the first conveying belt and the second conveying belt are located between the first spring winding device and the second spring winding device, the first conveying belt is used for conveying the spring produced by the first spring winding device towards the second spring winding device to form the first row of springs, and the second conveying belt is used for conveying the spring produced by the second spring winding device towards the first spring winding device to form the second row of springs.

[0007] The conveying mechanism includes the first conveying belt and the second conveying belt arranged side by side, the conveying directions of the first conveying belt and the second conveying belt are opposite, the first conveying belt is provided with the first spring winding device, the second conveying belt is provided with the second spring winding device, the first conveying belt and the second conveying belt are located between the first spring winding device and the second spring winding device, the first conveying belt is used for conveying the spring produced by the first spring winding device towards the second spring winding device to form the first row of springs, and the second conveying belt is used for conveying the spring produced by the second spring winding device towards the first spring winding device to form the second row of springs.

[0008] The transfer mechanism includes the translation assembly, the lifting assembly and the transfer assembly, the translation assembly is used for driving the transfer assembly to translate, the lifting assembly is used for driving the transfer assembly to lift, the transfer assembly can alternately transfer the first row of springs and the second row of springs, and transfer the spring to the assembly mechanism of the bread spring manufacturing machine.

[0009] The spring feeding device for bread spring manufacturing is characterized in that the transfer assembly is a magnetic attraction structure, the transfer assembly comprises a shell and a magnetic attraction piece, the magnetic attraction piece is located in the shell, the outer surface of the bottom wall of the shell is used for contacting the spring, the magnetic attraction piece can be lifted relative to the shell, the magnetic attraction piece is close to the shell so that the spring is fixed to the bottom of the shell, and the magnetic attraction piece is away from the shell so that the spring is separated from the shell.

[0010] The spring feeding device for bread spring manufacturing is characterized in that the transfer assembly comprises a lifting rod, the bottom end of the lifting rod is connected with the magnetic attraction piece, the top end of the lifting rod is provided with a roller, the transfer assembly further comprises a wedge block and a cylinder for driving the wedge block to translate, and the wedge block is moved to enable the roller to roll along the wedge block, so that the lifting rod is lifted.

[0011] The spring feeding device for bread spring manufacturing is characterized in that the transfer assembly comprises a cross beam, the cross beam penetrates through the shell at both ends, the cross beam is connected with the translation assembly or the lifting assembly at both ends, the cross beam is provided with a through hole penetrating through the top and the bottom, the through hole accommodates and positions the lifting rod, and the cross beam is provided with the wedge block and the cylinder at the top.

[0012] The spring feeding device for bread spring manufacturing is characterized in that the magnetic attraction piece is in a strip shape, the length direction of the magnetic attraction piece is arranged along the conveying direction of the first conveying belt, and the magnetic attraction piece is provided with a plurality of lifting rods.

[0013] The spring feeding device for bread spring manufacturing is characterized in that the cross beam is provided with a cross rod at the top, the cross rod is connected with the driving end of the cylinder, the cross rod is provided with a plurality of wedge blocks, and the plurality of wedge blocks correspond to the plurality of lifting rods.

[0014] The spring feeding device for bread spring manufacturing is characterized in that the cross rod is provided with a waist hole for accommodating the lifting rod.

[0015] The spring feeding device for bread spring manufacturing is characterized in that the lifting rod is sleeved with a positioning sleeve, the positioning sleeve is mounted on the cross beam, and the inner surface of the positioning sleeve is used for forming the through hole.

[0016] The spring feeding device for bread spring manufacturing is characterized in that the cross beam is connected with the lifting assembly at both ends, the lifting assembly is connected with the translation assembly, and the translation assembly is mounted on a rack.

[0017] The spring feeding device for bread spring manufacturing is characterized in that the translation assembly comprises a translation seat and a synchronous belt connected with the translation seat, and the synchronous belt is driven by a motor.

[0018] The spring feeding device for bread spring manufacturing has at least the following beneficial effects:

[0019] The first conveying belt and the second conveying belt can provide springs and improve the supply to meet the needs of bread spring manufacturing.

[0020] The first conveying belt and the second conveying belt are arranged in parallel, which is beneficial to reducing the occupied space and facilitating arrangement.

[0021] The first conveying belt and the second conveying belt are arranged in parallel, which is beneficial to facilitating the transfer of the spring by the transfer mechanism and reducing the stroke of the transfer mechanism.

[0022] The first conveying belt and the second conveying belt are arranged in opposite directions, and the first spring winding device and the second spring winding device are arranged separately, and then the first spring winding device and the second spring winding device are arranged on the left and right sides of the bread spring manufacturing equipment, which optimizes the field arrangement and reduces the occupied space.

[0023] In some embodiments, the transfer assembly is a magnetic structure, and the transfer assembly includes a shell and a magnetic element, so that the shell can transfer or release the spring by lifting the magnetic element, which is convenient and fast and also facilitates the transfer of more springs at one time.

[0024] When one of the first spring winding device and the second spring winding device fails and stops, the other spring winding device can continue to supply material to meet the manufacturing needs of the bread spring, without stopping the assembly mechanism, and without wasting material, improving the reliability of the equipment operation, and enabling the bread spring manufacturing equipment to work continuously and efficiently.

[0025] The additional aspects and advantages of the present application will be partially given in the following description, partially become obvious from the following description, or be understood through the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical scheme of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creative labor.

[0027] Figure 1The structure schematic view of the spring feeding device for bread spring manufacturing is shown in the embodiment of the utility model.

[0028] Figure 2 For Figure 1 The structure schematic view of the middle transfer mechanism is shown in the embodiment of the utility model.

[0029] Figure 3 For Figure 2 The sectional view of the transfer mechanism is shown in the embodiment of the utility model.

[0030] Reference signs: 300-first conveying belt, 310-second conveying belt, 320-translation assembly, 330-lifting assembly, 340-transfer assembly, 350-housing, 360-magnetic attraction piece, 370-lifting rod, 380-roller, 390-wedge block, 400-cylinder, 410-cross beam, 420-perforation, 430-cross rod, 440-positioning sleeve, 450-synchronous belt. DETAILED DESCRIPTION

[0031] The embodiments of the utility model are described in detail below, the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the utility model, and cannot be understood as the limitation of the utility model.

[0032] In the description of the utility model, it is understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and is not indicative or implied that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore, cannot be understood as the limitation of the utility model.

[0033] In the description of the utility model, the meaning of several is one or more, the meaning of multiple is two or more, greater than, less than, more than, etc. is not included in the number, above, below, etc. is included in the number. If the first and the second are described, this is only for distinguishing the technical features for the purpose, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0034] In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the term "installation, connection and connection" should be understood broadly, for example, it can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be direct connection, also can be indirect connection through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above-mentioned term in the utility model can be understood according to specific circumstances.

[0035] The spring feeding device for bread spring manufacturing according to the embodiments of the utility model is described below with reference to the drawings.

[0036] Referring to Figures 1 to 3 The utility model aims at providing a kind of spring feeding device for bread spring manufacturing embodiment, this embodiment can increase supply, meet the needs of production and manufacturing, avoid the waste of cloth in the absence of spring in cloth bag, save cloth.

[0037] In the embodiment, the spring feeding device for bread spring manufacturing mainly includes conveying mechanism and transfer mechanism. The spring feeding device for bread spring manufacturing can be integrated on the rack of bread spring manufacturing equipment to improve the relative position accuracy and make the bread spring manufacturing process more smooth.

[0038] For the conveying mechanism, the conveying mechanism includes first conveying belt 300 and second conveying belt 310 arranged side by side, the conveying direction of the first conveying belt 300 and the second conveying belt 310 is oppositely arranged, the first conveying belt 300 is configured with first spring winding device, the second conveying belt 310 is configured with second spring winding device, the first conveying belt 300 and the second conveying belt 310 are located between the first spring winding device and the second spring winding device, the first conveying belt 300 is used to convey the spring produced by the first spring winding device towards the second spring winding device to form the first row of springs, and the second conveying belt 310 is used to convey the spring produced by the second spring winding device towards the first spring winding device to form the second row of springs.

[0039] In some specific embodiments of the utility model, the first conveying belt 300 can be driven by a first motor, and the first motor is arranged at one end of the first conveying belt 300 away from the first spring winding device to make full use of the existing space and make the feeding device structure more compact.

[0040] In some specific embodiments of the utility model, the second conveying belt 310 can be driven by a second motor, and the second motor is arranged at one end of the second conveying belt 310 away from the second spring winding device to make full use of the existing space and make the feeding device structure more compact.

[0041] Meanwhile, the above arrangement also causes the first motor and the second motor to be far away from each other, facilitating installation and maintenance.

[0042] With reference to Figure 2 And Figure 3 For the transfer mechanism, the transfer mechanism comprises a translation assembly 320, a lifting assembly 330 and a transfer assembly 340, the translation assembly 320 is used to drive the transfer assembly 340 to translate, the lifting assembly 330 is used to drive the transfer assembly 340 to lift, and the transfer assembly 340 can alternately transfer the first row of springs and the second row of springs and transfer the springs to the assembly mechanism of the bread spring manufacturing machine.

[0043] In the embodiment, the translation assembly 320 is connected to the lifting assembly 330, and the lifting assembly 330 is connected to the transfer assembly 340, so that the overturning moment can be reduced, and the transfer mechanism can operate stably.

[0044] In some specific embodiments of the utility model, the transfer mechanism can have multiple use modes, for example, the springs of the first conveying belt 300 and the springs of the second conveying belt 310 are arranged staggeredly, the transfer mechanism can first transfer the springs of the first conveying belt 300, then transfer the springs of the second conveying belt 310, and then simultaneously transfer the springs of the first conveying belt 300 and the springs of the second conveying belt 310 to the assembly mechanism of the bread spring manufacturing equipment, so that the bread spring manufacturing equipment can simultaneously package more springs.

[0045] In summary, the utility model discloses a first conveying belt 300 and a second conveying belt 310 are arranged, so that the first conveying belt 300 and the second conveying belt 310 can both provide springs, improve the supply and meet the needs of bread spring production and manufacturing.

[0046] The utility model discloses a first conveying belt 300 and a second conveying belt 310 are arranged, so that the first conveying belt 300 and the second conveying belt 310 are arranged in parallel, which is also beneficial to reduce the floor space and facilitate arrangement.

[0047] The utility model discloses a first conveying belt 300 and a second conveying belt 310 are arranged, so that the first conveying belt 300 and the second conveying belt 310 are arranged in parallel, which is also beneficial to reduce the floor space and facilitate arrangement.

[0048] The utility model discloses a first conveying belt 300 and a second conveying belt 310 are arranged, so that the first conveying belt 300 and the second conveying belt 310 are arranged in parallel, which is also beneficial to reduce the floor space and facilitate arrangement.

[0049] In some embodiments, the utility model discloses a transfer assembly 340 can be made into a magnetic attraction structure, so that the transfer assembly 340 includes a shell 350 and a magnetic attraction piece 360, so that the shell 350 can be transferred or released by the lifting of the magnetic attraction piece 360, which is convenient and fast, and also facilitates the transfer of more springs at a time.

[0050] The utility model discloses a first conveying belt 300 and second conveying belt 310 are arranged, so that when one of the first spring winding device and the second spring winding device breaks down and stops, the other spring winding device can continue to feed, meet the manufacturing needs of bread spring, need not assemble mechanism to stop, simultaneously, do not need to waste cloth, improve the reliability of equipment operation, make bread spring manufacturing equipment can continuously and efficiently work.

[0051] In some specific embodiments of the utility model, the transfer assembly 340 can be in various forms such as clamping, hooking and adsorbing to transfer the spring, meeting diversified needs.

[0052] In some specific embodiments of the utility model, the transfer assembly 340 can be a magnetic attraction structure.

[0053] In some specific embodiments of the utility model, the transfer assembly 340 can include an electromagnet, which can generate, weaken or eliminate magnetism by switching on and off, to transfer the spring.

[0054] In some specific embodiments of the utility model, the transfer assembly 340 can include a shell 350 and a magnetic attraction piece 360, the magnetic attraction piece 360 is located in the shell 350, the outer surface of the bottom wall of the shell 350 is used to contact the spring, the magnetic attraction piece 360 can be lifted relative to the shell 350, the magnetic attraction piece 360 is close to the shell 350 to fix the spring at the bottom of the shell 350, and the magnetic attraction piece 360 is away from the shell 350 to separate the spring from the shell 350.

[0055] It is easy to understand that the shell 350 can have a larger plane by setting the shell 350, which is convenient for transferring the spring, without the need to adjust the position of the component contacting the spring, and is easy to be universal.

[0056] Meanwhile, the magnetic attraction piece 360 can be a permanent magnet, without the need to set a complex logic control, reducing the cost of equipment.

[0057] In some specific embodiments of the utility model, the transfer assembly 340 can include a lifting rod 370, the bottom end of the lifting rod 370 is connected with the magnetic member 360, the top end of the lifting rod 370 is provided with a roller 380, the transfer assembly 340 further includes a wedge block 390 and a cylinder 400 for driving the wedge block 390 to move, the wedge block 390 moves, and the roller 380 can roll along the wedge block 390 to lift the lifting rod 370.

[0058] It is easy to understand that the embodiment can lift the magnetic member 360 by applying the wedge transmission principle, meet the needs of transferring the spring, and also facilitate reducing the space occupied by the cylinder 400 and the like in the height direction, and facilitate transferring the spring to the assembly mechanism of the bread spring manufacturing equipment without interference.

[0059] At the same time, the roller 380 and the wedge block 390 are in contact, and the lifting resistance is also reduced, so that the lifting action is rapid, and the needs of efficient production are met.

[0060] In some specific embodiments of the utility model, the shell 350 can be an aluminum profile, and the magnetic member 360 can be a permanent magnet, which meets the strength needs and the needs of transferring the spring.

[0061] In some specific embodiments of the utility model, the transfer assembly 340 can include a cross beam 410, both ends of the cross beam 410 penetrate through the shell 350, both ends of the cross beam 410 are connected with the translation assembly 320 or the lifting assembly 330, the cross beam 410 is provided with a through hole 420 penetrating up and down, the through hole 420 accommodates and positions the lifting rod 370, and the top of the cross beam 410 is provided with the wedge block 390 and the cylinder 400.

[0062] It is easy to understand that the embodiment further facilitates arranging the lifting rod 370, the wedge block 390 and the cylinder 400 by arranging the cross beam 410, reduces the installation difficulty, and at the same time, the occupied space is small.

[0063] Moreover, the cross beam 410 is provided with the through hole 420, which can also limit the lifting rod 370, reduce the lateral deviation of the lifting rod 370, and ensure that the lifting rod 370 rapidly lifts under the action of the roller 380 and the wedge block 390.

[0064] In some specific embodiments of the utility model, the magnetic member 360 can be in a strip shape, the length direction of the magnetic member 360 is arranged along the conveying direction of the first conveying belt 300, and the magnetic member 360 is provided with a plurality of lifting rods 370.

[0065] It is easy to understand that the embodiment can expand the transfer area by making the magnetic attraction piece 360 into a strip shape, and can cope with the case that the spring position may change, and has good versatility.

[0066] The plurality of lifting rods 370 are arranged, the plurality of positions of the magnetic attraction piece 360 are conveniently lifted, the deformation of the magnetic attraction piece 360 is reduced, and the spring can be simultaneously transferred and released.

[0067] In some specific embodiments of the utility model, the top of the cross beam 410 is provided with a cross rod 430, the cross rod 430 is connected with the driving end of the air cylinder 400, the cross rod 430 is provided with a plurality of wedge blocks 390, and the plurality of wedge blocks 390 correspond to the plurality of lifting rods 370.

[0068] It is easy to understand that the embodiment further makes the plurality of wedge blocks 390 driven by the same air cylinder 400 by arranging the cross rod 430, simplifies power configuration, reduces manufacturing cost, and simultaneously reduces operation energy consumption.

[0069] In some specific embodiments of the utility model, the cross rod 430 is provided with a waist hole through which the lifting rod 370 passes.

[0070] It is easy to understand that the embodiment further facilitates the lifting rod 370 to pass through by arranging the waist hole, and simultaneously does not affect the movement of the cross rod 430, facilitates the roller 380 to roll and lift along the wedge block 390.

[0071] In some specific embodiments of the utility model, the lifting rod 370 is sleeved with a positioning sleeve 440, the positioning sleeve 440 is installed on the cross beam 410, and the inner surface of the positioning sleeve 440 is used to form the perforation 420.

[0072] It is easy to understand that the embodiment further facilitates the positioning of the lifting rod 370 by arranging the positioning sleeve 440, improves the cooperation between the lifting rod 370 and the perforation 420, simultaneously facilitates the replacement of the positioning sleeve 440 according to the abrasion condition, simultaneously reduces the machining of the cross beam 410, especially reduces high-precision machining, and reduces the manufacturing difficulty of the cross beam 410.

[0073] In some specific embodiments of the utility model, the two ends of the cross beam 410 are connected with the lifting assembly 330, the lifting assembly 330 is connected with the translation assembly 320, and the translation assembly 320 is installed on the rack.

[0074] It is easy to understand that the embodiment further simplifies the installation of the shell 350 by connecting the lifting assembly 330 with the cross beam 410, connecting the lifting assembly 330 with the translation assembly 320, facilitates production and assembly, and reduces the manufacturing cost of the equipment.

[0075] In some specific embodiments of the present application, the lifting assembly 330 can include a motor and a ball screw to accurately adjust the lifting position.

[0076] In some specific embodiments of the present application, the translation assembly 320 can include a translation seat and a synchronous belt 450 connected to the translation seat, the synchronous belt 450 being driven by a motor.

[0077] It is easily understood that, by setting the synchronous belt 450, a part of the synchronous belt 450 is fixed to the translation seat, thus meeting the need of long-distance translation without using a long screw, reducing the weight of the feeding device and optimizing the configuration.

[0078] In the description of the present application, the description of the terms "one embodiment, some embodiments, illustrative embodiments, examples, specific examples or some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiments or examples are included in at least one embodiment or example of the present application. In the description of the present application, the illustrative description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples as appropriate.

[0079] The terms "first, second, third, fourth" and the like (if any) in the specification and claims of the present application and the above-described drawings are used to distinguish similar objects, and do not necessarily mean a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments described herein can be implemented in an order other than that illustrated or described herein.

[0080] It should also be noted that in the description of the present application, the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or sequence between the entities or operations.

[0081] In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device including a series of steps or units does not necessarily have to be limited to those steps or units clearly listed, but can also include other steps or units not clearly listed or inherent to the process, method, product or device.

[0082] Also, the term "comprise", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element preceded by "comprises a" does not exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the recited element.

[0083] The embodiments of the utility model are explained in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. A spring feeding device for bread spring manufacturing, characterized in that, The application relates to a bread spring manufacturing machine. The conveying mechanism comprises a first conveying belt (300) and a second conveying belt (310) arranged side by side, the conveying directions of the first conveying belt (300) and the second conveying belt (310) are oppositely arranged, the first conveying belt (300) is provided with a first spring winding device, the second conveying belt (310) is provided with a second spring winding device, the first conveying belt (300) and the second conveying belt (310) are located between the first spring winding device and the second spring winding device, the first conveying belt (300) is used for conveying the springs produced by the first spring winding device towards the second spring winding device to form a first row of springs, and the second conveying belt (310) is used for conveying the springs produced by the second spring winding device towards the first spring winding device to form a second row of springs. The conveying mechanism comprises a first conveying belt (300) and a second conveying belt (310) arranged side by side, the conveying directions of the first conveying belt (300) and the second conveying belt (310) are oppositely arranged, the first conveying belt (300) is provided with a first spring winding device, the second conveying belt (310) is provided with a second spring winding device, the first conveying belt (300) and the second conveying belt (310) are located between the first spring winding device and the second spring winding device, the first conveying belt (300) is used for conveying the springs produced by the first spring winding device towards the second spring winding device to form a first row of springs, and the second conveying belt (310) is used for conveying the springs produced by the second spring winding device towards the first spring winding device to form a second row of springs.

2. The spring feeding device for bread spring manufacturing according to claim 1, characterized by, The transfer mechanism comprises a translation assembly (320), a lifting assembly (330) and a transfer assembly (340), the translation assembly (320) is used for driving the transfer assembly (340) to translate, the lifting assembly (330) is used for driving the transfer assembly (340) to lift, and the transfer assembly (340) can alternately transfer the first row of springs and the second row of springs and transfer the springs to the assembling mechanism of the bread spring manufacturing machine.

3. The spring feeding device for bread spring manufacturing according to claim 2, characterized in that, The transfer assembly (340) is a magnetic structure, the transfer assembly (340) comprises a shell (350) and a magnetic element (360), the magnetic element (360) is located in the shell (350), the outer surface of the bottom wall of the shell (350) is used for contacting the spring, the magnetic element (360) can be lifted relative to the shell (350), the magnetic element (360) is close to the shell (350) to fix the spring on the bottom of the shell (350), and the magnetic element (360) is away from the shell (350) to separate the spring from the shell (350).

4. The spring feeding device for bread spring manufacturing according to claim 3, characterized in that, The transfer assembly (340) comprises a lifting rod (370), the bottom end of the lifting rod (370) is connected with the magnetic element (360), the top end of the lifting rod (370) is provided with a roller (380), the transfer assembly (340) further comprises a wedge block (390) and a cylinder (400) used for driving the wedge block (390) to translate, the wedge block (390) is moved to enable the roller (380) to roll along the wedge block (390) to lift the lifting rod (370). The transfer assembly (340) comprises a cross beam (410), the two ends of the cross beam (410) penetrate through the shell (350), the two ends of the cross beam (410) are connected with the translation assembly (320) or the lifting assembly (330), the cross beam (410) is provided with a through hole (420) penetrating through the top and bottom, the through hole (420) accommodates and positions the lifting rod (370), and the top of the cross beam (410) is provided with the wedge block (390) and the cylinder (400).

5. The spring feeding device for bread spring manufacturing according to claim 4, wherein The magnetic attraction piece (360) is in a strip shape, the length direction of the magnetic attraction piece (360) is arranged along the conveying direction of the first conveying belt (300), and the magnetic attraction piece (360) is provided with a plurality of lifting rods (370).

6. The spring feeding device for bread spring manufacturing according to claim 5, wherein The top of the cross beam (410) is provided with a cross rod (430), the cross rod (430) is connected with the driving end of the air cylinder (400), the cross rod (430) is provided with a plurality of wedge blocks (390), and the plurality of wedge blocks (390) correspond to the plurality of lifting rods (370).

7. The spring feeding device for bread spring manufacturing according to claim 6, wherein The cross rod (430) is provided with waist holes through which the lifting rods (370) pass.

8. The spring feeding device for bread spring manufacturing according to claim 4, wherein The lifting rod (370) is sleeved with a positioning sleeve (440), the positioning sleeve (440) is installed on the cross beam (410), and the inner surface of the positioning sleeve (440) is used for forming the through hole (420).

9. The spring feeding device for bread spring manufacturing according to claim 4, wherein Both ends of the cross beam (410) are connected with the lifting assembly (330), the lifting assembly (330) is connected with the translation assembly (320), and the translation assembly (320) is installed on a rack.

10. The spring feeding device for bread spring manufacturing according to claim 9, wherein The translation assembly (320) comprises a translation seat and a synchronous belt (450) connected with the translation seat, and the synchronous belt (450) is driven by a motor.

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