Steel wire supply frame for producing mattress springs

Abstract

The utility model relates to a steel wire supply frame for producing mattress springs, the steel wire supply frame comprises a base and a rotating frame rotationally arranged on the base, the rotating frame comprises a bottom rotating disc rotationally connected to the base and used for bearing a steel wire roll and a middle limiting frame fixed to the bottom rotating disc, and the steel wire roll is arranged on the middle limiting frame in a sleeving mode; the base is provided with a speed limiting structure used for limiting the rotating speed of the bottom rotating disc. The rotating speed of the bottom rotating disc is limited through the speed limiting structure, so that the rotating frame is prevented from rotating too fast as a whole, and the steel wire conveying speed and conveying quality are ensured in the process of unwinding and conveying steel wires through the rotating frame.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of spring steel wires, in particular to a steel wire supply rack for producing mattress springs. BACKGROUND

[0002] A spring steel wire is a kind of steel wire used for making springs or steel wire parts, and according to different purposes of the springs, the spring steel wires required for making the springs are divided into various types, such as spring steel wires for making mattress springs (referred to as mattress steel wires), and in the process of producing the mattress springs, the steel wires need to be continuously supplied to the spring production equipment to ensure the production efficiency of the mattress springs.

[0003] In the process of conveying the steel wires, in order to ensure the conveying quality of the steel wires and reduce the possibility of winding of the steel wires in the conveying process, the steel wires are usually wound into coils and wound on a rotating disc, and then the movable end of the steel wire is inserted into the spring production equipment, and with the rotation of the rotating disc, the unwinding and conveying of the steel wire can be realized, and the whole is convenient to use.

[0004] However, in actual use, the rotating disc is synchronously rotated in the process of pulling the steel wire by the spring production equipment, and in the process of pulling the steel wire, the rotating speed of the rotating disc is prone to being too fast due to the rotational inertia, so that the unwinding speed of the steel wire is too fast, which affects the subsequent conveying of the steel wire, and there is room for improvement. CONTENT OF THE UTILITY MODEL

[0005] In order to solve the problem that the existing rotating frame is prone to having a rotating speed that is too fast due to the rotational inertia, which causes the unwinding speed of the steel wire to be too fast and affects the subsequent conveying of the steel wire, the application provides a steel wire supply rack for producing mattress springs.

[0006] The application provides a steel wire supply rack for producing mattress springs, which adopts the following technical scheme:

[0007] The steel wire supply rack for producing mattress springs comprises a base and a rotating frame rotatably arranged on the base, the rotating frame comprises a bottom rotating disc rotatably connected to the base and used for supporting a steel wire coil, and a middle limiting frame fixed on the bottom rotating disc, the steel wire coil is sleeved on the middle limiting frame, and the base is provided with a speed limiting structure for limiting the rotating speed of the bottom rotating disc.

[0008] By adopting the above technical scheme, in use, the steel wire coil is sleeved on the middle limiting frame and supported by the bottom rotating disc, so that in the process of pulling the steel wire by the spring production equipment, the conveying of the steel wire is ensured through the rotatable connection of the bottom rotating disc and the base, and the rotating speed of the bottom rotating disc is limited through the speed limiting structure, so as to avoid the situation that the rotating speed of the bottom rotating disc is too fast, the unwinding speed of the steel wire is too fast, and the subsequent conveying quality of the steel wire is affected, so as to ensure the conveying quality of the steel wire and facilitate the use.

[0009] Preferably, the speed limiting structure comprises a sliding block placed on the base, a connecting rope arranged on the sliding block, one end of the connecting rope being fixed on the sliding block, the other end of the connecting rope being fixed on the bottom turntable, and the sliding block being in sliding fit with the base.

[0010] By adopting the above technical scheme, during use, the sliding block is pulled by the connecting rope during rotation of the bottom turntable, and the rotation speed of the bottom turntable can be limited by the friction between the sliding block and the base under the gravity of the sliding block.

[0011] Preferably, a sliding groove is arranged on the base, and the sliding block is arranged in sliding fit in the sliding groove.

[0012] By adopting the above technical scheme, during use, the sliding direction of the sliding block is guided by the sliding groove, so that the rotation of the sliding block is not affected, and the unwinding effect of the steel wire on the bottom turntable is ensured.

[0013] Preferably, a placing groove is arranged on the sliding block, and a counterweight is arranged in the placing groove.

[0014] By adopting the above technical scheme, during use, the friction between the sliding block and the sliding groove can be adjusted by changing the gravity of the sliding block by arranging different numbers of counterweights in the placing groove, so that the rotation speed of the bottom turntable is adjusted, and the device is suitable for different use requirements.

[0015] Preferably, the middle limiting frame comprises a stand fixed on the bottom turntable and a plurality of oblique supporting rods arranged on the side of the stand, the plurality of oblique supporting rods are arranged uniformly and evenly on the side of the stand, one end of the oblique supporting rod is fixedly connected with the bottom turntable, and the other end of the oblique supporting rod is fixedly connected with the side wall of the stand.

[0016] By adopting the above technical scheme, during use, the middle limiting frame is formed by the combination of the plurality of oblique supporting rods and the stand, which not only ensures the structural strength of the middle limiting frame, but also reduces the overall manufacturing cost and weight, and is more conducive to use.

[0017] Preferably, a top cover plate is further sleeved on the middle limiting frame, and the top cover plate is clamped and placed on the middle limiting frame.

[0018] By adopting the above technical scheme, during use, when the steel wire coil is placed on the middle limiting frame, the steel wire coil can be limited by the connection between the top cover plate and the middle limiting frame, so that the steel wire coil is prevented from being separated from the middle limiting frame during unwinding of the steel wire coil, and the unwinding quality of the steel wire is ensured.

[0019] Preferably, the top cover plate comprises a steel ring with an inner diameter greater than the maximum diameter of the middle limiting frame, a folding rod fixed on the steel ring, the folding rod protruding inwardly of the steel ring, the folding rod being provided with a plurality of folding rods, and the plurality of folding rods being uniformly arranged along the circumferential side of the steel ring, a cross bar being arranged between the two adjacent inclined struts, and the cross bar being fixedly connected with the corresponding side inclined strut at both ends.

[0020] By adopting the above technical scheme, when in use, under the premise of limiting the steel wire coil, the overall structure is simpler and more convenient to manufacture and use by arranging the steel ring and the folding rod.

[0021] Preferably, a plurality of casters with self-locking function are arranged on the base, and the plurality of casters are arranged at intervals on the circumferential side of the base.

[0022] By adopting the above technical scheme, when in use, the overall device can be moved by the cooperation of the plurality of casters, and after moving, the positioning is realized by the self-locking function of the casters, which is simple and convenient to use.

[0023] In summary, the present application has at least one of the following beneficial technical effects:

[0024] 1. The steel wire coil is sleeved on the middle limiting frame and supported by the bottom turntable, so that during the production of the spring device, the rotation connection between the bottom turntable and the base ensures the conveying of the steel wire, and the speed limiting structure limits the rotation speed of the bottom rotation to avoid the situation that the bottom rotation speed is too fast, which leads to the steel wire unwinding too fast, thereby affecting the subsequent steel wire conveying quality, so as to ensure the conveying quality of the steel wire.

[0025] 2. By arranging the sliding block, the sliding groove and the counterweight, the normal sliding of the sliding block is ensured, and the friction between the sliding block and the sliding groove is adjusted, thereby increasing the applicability of the device.

[0026] 3. By cooperating the top cover plate and the middle limiting frame, on the one hand, the steel wire coil is placed, and on the other hand, the stability of the steel wire coil during unwinding is ensured, avoiding the situation that the steel wire coil is separated from the middle limiting frame. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is the axonometric view of the main embodiment of the present application, which mainly embodies the overall structure;

[0028] Figure 2 is the exploded view of the main embodiment of the present application, which mainly embodies the overall structure;

[0029] Figure 3 is the axonometric view of the main embodiment of the present application, which mainly embodies the rotation frame structure;

[0030] Figure 4 is the axis measurement schematic diagram mainly embodying the speed limiting structure in the embodiment one of the application;

[0031] Figure 5 is the axis measurement schematic diagram mainly embodying the overall structure in the embodiment two of the application;

[0032] Figure 6 is the axis measurement schematic diagram mainly embodying the speed limiting structure in the embodiment two of the application.

[0033] Label: 1, base; 11, sliding groove; 12, ring groove; 2, rotating frame; 21, bottom turntable; 211, main body steel ring; 212, radial connecting rod; 213, inner ring sleeve ring; 22, middle limiting frame; 221, stand; 222, oblique support rod; 223, cross bar; 3, speed limiting structure; 31, sliding block; 32, connecting rope; 33, placing groove; 34, fixed block; 35, adjusting rod; 36, mounting seat; 37, supporting plate; 4, top cover plate; 41, steel ring; 42, folding rod; 5, caster; 6, bearing; 7, abutting bolt; 8, connecting stand. DETAILED DESCRIPTION

[0034] The following will be combined with the accompanying Figure 1 - the accompanying Figure 6 The application is further described in detail.

[0035] The embodiment of the application discloses a steel wire supply rack for producing mattress springs.

[0036] Embodiment 1:

[0037] Referring to Figure 1 and Figure 2 A steel wire supply rack for producing mattress springs comprises a horizontally placed base 1 and a rotating frame 2. In the embodiment, the base 1 is disc-shaped, and a plurality of casters 5 are installed at the bottom of the base 1. The plurality of casters 5 are evenly distributed along the circumferential side of the base 1, and in actual use, the casters 5 with self-locking function are selected so as to realize the movement of the device as a whole and also ensure the locking and positioning after movement. The rotating frame 2 is rotationally arranged on the base 1 with the axis of the base 1 as the center, and the rotating frame 2 is used for placing a steel wire coil.

[0038] Referring to Figure 2 and Figure 3, the rotating frame 2 is composed of a bottom turntable 21 and a middle limiting frame 22, in the application, the bottom turntable 21 and the middle limiting frame 22 are coaxially arranged with the base 1, the bottom turntable 21 is composed of a main body steel ring 211, a radial connecting rod 212 and an inner ring sleeve ring 213, one end of the radial connecting rod 212 is welded with the main body steel ring 211, the other end is welded with the inner ring sleeve ring 213, and the radial connecting rod 212 is provided with a plurality of radial connecting rods 212, a plurality of radial connecting rods 212 are uniformly arranged along the circumferential side of the main body steel ring 211, and the inner ring sleeve ring 213 is coaxially and rotatably connected with the base 1 through the bearing 6; in use, the bottom turntable 21 is used for supporting the steel wire roll, and the bearing 6 is used for realizing the auxiliary rotation of the steel wire roll.

[0039] Referring to Figure 2 and Figure 3 , the middle limiting frame 22 is composed of a stand 221 and an inclined support rod 222, the stand 221 is coaxially arranged on the bottom turntable 21, and the bottom end of the stand 221 is welded and fixed on the top end face of the inner ring sleeve ring 213, the inclined support rod 222 is provided with a plurality of inclined support rods 222, and the plurality of inclined support rods 222 are uniformly distributed on the circumferential side of the stand 221, in the application, the number of the inclined support rods 222 is the same as the number of the radial connecting rods 212, one end of the inclined support rod 222 is welded and fixed with the radial connecting rod 212, the other end of the inclined support rod 222 is welded and fixed with the side wall of the stand 221, and the outer circle of the plurality of inclined support rods 222 is conically arranged after combination.

[0040] Referring to Figure 1 and Figure 2 , in use, the shape of the inclined support rod 222 is more convenient for placing the steel wire roll, and is also suitable for steel wire rolls of different sizes; in addition, in order to ensure the stability of the steel wire roll placed on the bottom turntable 21, that is, to avoid the steel wire roll from sliding upward and separating from the middle limiting frame 22 during the rotation and unwinding process, a top cover plate 4 is further sleeved outside the middle limiting frame 22, the top cover plate 4 is coaxially arranged with the bottom turntable 21, and the top cover plate 4 is clamped and placed on the middle limiting frame 22, that is, the steel wire roll is limited by the top cover plate 4 during use, so as to ensure the stability of the unwinding of the steel wire roll.

[0041] Referring to Figure 2 and Figure 3 , the top cover plate 4 comprises a steel ring 41 and a folding rod 42, the diameter of the steel ring 41 is greater than the maximum diameter of the middle limiting frame 22, the folding rod 42 is triangularly arranged as a whole, and both ends of the folding rod 42 are welded and fixed on the side wall of the steel ring 41, in the application, the middle part of the folding rod 42 is protrudingly arranged inside the steel ring 41, the folding rod 42 is provided with a plurality of folding rods 42, and the plurality of folding rods 42 are uniformly arranged on the circumferential side of the steel ring 41, in the embodiment, the folding rod 42 is preferably provided with three; cooperating with the folding rod 42 is a cross rod 223 arranged between the two adjacent inclined support rods 222, and both ends of the cross rod 223 are welded and fixed with the corresponding inclined support rods 222.

[0042] Referring to Figure 2 and Figure 3 In use, the arrangement of the cross rod 223, on the one hand, increases the structural strength of the middle limiting frame 22, and on the other hand, cooperates with the folding rod 42 to form support for the top cover plate 4; that is, after the steel wire roll is sleeved on the middle limiting frame 22, the top cover plate 4 is taken to be directly above the middle limiting frame 22, then the top cover plate 4 is rotated circumferentially to make the folding rod 42 located between two adjacent inclined struts 222 and correspond to the arrangement of the cross rod 223, and then the top cover plate 4 is slid downward until the folding rod 42 abuts against the cross rod 223, at which time the side wall of the folding rod 42 also abuts against the side wall of the inclined strut 222, thereby forming limiting for the top cover plate 4.

[0043] Referring to Figure 1 and Figure 4 After the steel wire roll is placed on the rotating frame 2, the bearing 6 between the rotating frame 2 and the base 1 can ensure the stability of the rotation of the rotating frame 2, thereby ensuring the unwinding effect of the steel wire roll, and in order to reduce the situation that the bottom rotating disc 21 rotates too fast, causing the steel wire roll to unwind too fast, a speed limiting structure 3 is further arranged on the base 1, which is used to limit the rotation speed of the bottom rotating disc 21.

[0044] Referring to Figure 1 and Figure 4 The speed limiting structure 3 includes a sliding block 31 and a connecting rope 32, wherein the sliding block 31 is placed on the base 1, in this embodiment, the sliding block 31 is selected as a block-shaped object with a rough bottom surface, one end of the connecting rope 32 is connected with the sliding block 31, and the other end of the connecting rope 32 is connected with the bottom rotating disc 21, in use, as the equipment for producing springs pulls the steel wire, the bottom rotating disc 21 rotates, thereby pulling the sliding block 31 to make circumferential sliding around the stand 221 under the action of the connecting rope 32, in this process, the rotation speed of the bottom rotating disc 21 can be limited by the friction between the sliding block 31 and the base 1.

[0045] Referring to Figure 1 and Figure 4 In order to avoid the sliding block 31 from being interfered by other structures on the base 1 during the sliding process, a sliding groove 11 is arranged on the base 1, and the sliding block 31 is slidably arranged in the sliding groove 11, in use, the sliding block 31 is guided and limited by the side wall of the sliding groove 11, thereby ensuring the normal sliding of the sliding block 31, avoiding affecting the rotation of the bottom rotating disc 21, and further ensuring the unwinding and conveying quality of the steel wire; in addition, a placing groove 33 is further arranged on the sliding block 31, and a counterweight is arranged in the placing groove 33, in use, the weight of the sliding block 31 can be increased by adding the counterweight, thereby adjusting the friction between the sliding block 31 and the inner wall of the sliding groove 11, so as to adjust the rotation speed of the bottom rotating disc 21 according to the use requirement, thereby improving the overall applicability of the device.

[0046] The implementation principle of the embodiment of the application is as follows: in use, the top cover plate 4 is removed, the steel wire coil is placed on the rotating frame 2, and the top cover plate 4 is placed on the middle limiting frame 22 again, then the movable end of the steel wire is inserted into the spring production equipment to complete the connection, and the number or weight of the counterweight is adjusted as needed to control the weight of the sliding block 31, so as to control the rotating speed of the bottom rotating disc 21, so as to be suitable for different production conditions, then the spring production equipment is started to pull the steel wire, and the steel wire is pulled to drive the rotating frame 2 to rotate on the base 1, so as to realize the unwinding and conveying of the steel wire, and in this process, the unwinding speed of the steel wire can be limited by the friction force between the counterweight and the sliding groove 11, so as to ensure the unwinding quality of the steel wire.

[0047] Embodiment 2

[0048] With reference to Figure 5 and Figure 6 , the difference between the embodiment and embodiment 1 is that the speed limiting structure 3 is composed of a fixed block 34 fixed on the bottom rotating disc 21, an adjusting rod 35 radially slidingly inserted on the fixed block 34, a mounting seat 36 fixed on one end of the adjusting rod 35, and a supporting plate 37 connected to the mounting seat 36, a plurality of ring grooves 12 with different diameters are formed on the base 1, the plurality of ring grooves 12 are coaxially arranged with the bottom rotating disc 21, and the roughness of the inner wall of the plurality of ring grooves 12 increases from inside to outside, and the supporting plate 37 is slidingly matched with the inner wall of the ring groove 12.

[0049] With reference to Figure 5 and Figure 6 , a waist-shaped hole is formed on the mounting seat 36, and a connecting vertical rod 8 is vertically arranged on the supporting plate 37, the bottom end of the connecting vertical rod 8 is welded and fixed with the supporting plate 37, and the top end of the connecting vertical rod 8 passes through the waist-shaped hole and is locked by a nut, the connecting vertical rod 8 is rotationally matched with the mounting seat 36, in use, the connecting vertical rod 8 can be pulled upward to make the supporting plate 37 disengage from the ring groove 12, so that the position of the supporting plate 37 is adjusted, and after the adjustment is completed, the connecting vertical rod 8 is only loosened, and the supporting plate 37 falls under the action of gravity, so as to be embedded in the ring groove 12, and the use is simple and convenient.

[0050] With reference to Figure 5 and Figure 6Meanwhile, the length of the adjusting rod 35 extending out of the bottom turntable 21 can be changed according to the requirement, so as to control the placement of the supporting plate 37 in the different ring grooves 12, change the friction between the inner wall of the ring groove 12 and the supporting plate 37, and be suitable for different requirements; meanwhile, the counterweight can be placed on the supporting plate 37, so as to further improve the friction between the supporting plate 37 and the inner wall of the ring groove 12; as to the extending length of the adjusting rod 35, it can be limited synchronously according to the limiting of the inner wall of the ring groove 12 to the supporting plate 37, or a abutting bolt 7 can be arranged on the fixing block 34 to abut and limit the adjusting rod 35, so as to realize the positioning of the extending length of the adjusting rod 35.

[0051] The above are the preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made according to the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A supply of steel wire for producing bed spring wire, characterized in that: The application relates to a steel wire roll rotating device, which comprises a base (1) and a rotating frame (2) rotatingly arranged on the base (1), wherein the rotating frame (2) comprises a bottom rotating disc (21) rotatingly connected to the base (1) and used for supporting a steel wire roll, a middle limiting frame (22) fixed to the bottom rotating disc (21), and the steel wire roll is sleeved on the middle limiting frame (22); a speed limiting structure (3) for limiting the rotating speed of the bottom rotating disc (21) is arranged on the base (1).

2. A supply reel for producing a steel wire for a bed spring according to claim 1, characterized in that: The speed limiting structure (3) comprises a sliding block (31) arranged on the base (1) and a connecting rope (32) arranged on the sliding block (31), one end of the connecting rope (32) is fixed to the sliding block (31), the other end of the connecting rope (32) is fixed to the bottom rotating disc (21), and the sliding block (31) is in sliding fit with the base (1).

3. A supply reel for producing a steel wire for a bed spring according to claim 2, characterized in that: A sliding groove (11) is arranged on the base (1), and the sliding block (31) is arranged in sliding fit in the sliding groove (11).

4. A supply reel for producing a steel wire for a bed spring according to claim 2, characterized in that: A placing groove (33) is formed in the sliding block (31), and a counterweight is arranged in the placing groove (33).

5. A supply reel for producing a steel wire for a bed spring according to claim 1, characterized in that: The middle limiting frame (22) comprises a stand column (221) fixed to the bottom rotating disc (21) and a plurality of oblique supporting rods (222) arranged on the periphery of the stand column (221), the oblique supporting rods (222) are arranged at intervals on the periphery of the stand column (221), one end of the oblique supporting rod (222) is fixedly connected to the bottom rotating disc (21), and the other end of the oblique supporting rod (222) is fixedly connected to the side wall of the stand column (221).

6. A supply reel for producing a steel wire for a bed spring according to claim 5, characterized in that: A top cover plate (4) is further sleeved on the middle limiting frame (22).

7. A supply reel for producing a steel wire for a bed spring according to claim 6, characterized in that: The top cover plate (4) comprises a steel ring (41) with a larger inner diameter than the maximum diameter of the middle limiting frame (22) and a plurality of folding rods (42) fixed to the steel ring (41), the folding rods (42) protrude into the steel ring (41), the folding rods (42) are arranged at intervals on the periphery of the steel ring (41), a horizontal rod (223) is arranged between two adjacent oblique supporting rods (222), and the ends of the horizontal rod (223) are fixedly connected to the corresponding oblique supporting rods (222).

8. A supply reel for producing a steel wire for a bed spring according to claim 1, characterized in that: A plurality of self-locking casters (5) are arranged on the base (1) at intervals.

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