Roller die structure and wire drawing tool with same

Abstract

The utility model provides a roller die structure and a wire drawing tool with the roller die structure. The number of the roller wheel assemblies is at least two, each roller wheel assembly comprises a core shaft and a roller wheel single body arranged on the core shaft, the core shaft is detachably arranged on the roller die base, each roller wheel single body comprises a deep groove ball, a rolling bearing, a roller core, a roller wheel and a locking nut, the deep groove ball bearing and the rolling bearing are both arranged on the core shaft, and the locking nut is arranged on the roller die base. The roller core is sleeved on the deep groove ball bearing and the rolling bearing, the roller wheels and the locking nuts are correspondingly arranged on the roller core, a gap for a welding material to penetrate through is formed between every two adjacent roller wheels, glands are respectively arranged at two ends of the roller core, and sealing pieces are arranged in the glands. According to the utility model, the problem of oil leakage can be perfectly solved, oil can be added once in 2-3 months, the maintenance period is prolonged, the labor intensity of workers is effectively reduced, and the stable output of a production line is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of welding material processing, in particular to a roller die structure and a wire drawing tool having the roller die structure. Background Art

[0002] During the production process, welding materials (welding rods, welding wires, flux-cored wires, etc.) are positioned through the mold core and then enter the roller mold for compression and drawing. The internal bearings of the rollers need to be lubricated frequently, which is rather cumbersome.

[0003] The original roller die roller bearings used two tapered roller bearings, which were expensive and difficult to handle with the oil seal structure. Oil leakage always occurred and oil had to be added every three days on average, which extended the maintenance cycle and increased costs. Utility Model Content

[0004] In view of this, the utility model aims to provide a roller die structure and a wire drawing tool having the same, so as to solve the problems of long maintenance period and high cost of the roller die.

[0005] In order to achieve the above object, the technical solution of the utility model is implemented as follows:

[0006] In a first aspect, the utility model provides a roller mold structure, comprising:

[0007] Roller die holder;

[0008] A roller assembly, wherein at least two roller assemblies are provided, wherein the roller assembly comprises a core shaft and a roller unit arranged on the core shaft, wherein the core shaft is detachably arranged on the roller die seat, wherein the roller unit comprises a deep groove ball bearing, a rolling bearing, a roller core, a roller and a locking nut, wherein the deep groove ball bearing and the rolling bearing are both mounted on the core shaft, wherein the roller core is sleeved on the deep groove ball bearing and the rolling bearing, wherein the roller and the locking nut are correspondingly arranged on the roller core, wherein a gap is formed between two adjacent rollers for the welding material to pass through, and pressure covers are respectively installed at both ends of the roller core, wherein a sealing member is installed in the pressure cover.

[0009] Furthermore, a receiving cavity is formed through the roller mold seat, and an assembly hole is formed through the two beams formed by the receiving cavity, and the core shaft is correspondingly arranged in the assembly hole;

[0010] An adjusting nut is sleeved on one end of the mandrel, and the adjusting nut is fixed on one of the cross beams through a pressing block;

[0011] The other end of the core shaft is also sleeved with a spacer ring, and the spacer ring is located in the assembly hole of another crossbeam, and the spacer ring is fixed on the core shaft through a nut.

[0012] Furthermore, the core shaft is hollow inside, and an oil groove is provided on the outer wall of the core shaft, and an oil inlet hole connected to the oil groove is provided on the top and side wall of the roller mold seat.

[0013] Furthermore, there are two deep groove ball bearings, the rolling bearing is located between the two deep groove ball bearings, and a gasket is installed between the rolling bearing and the deep groove ball bearings.

[0014] Furthermore, the rolling bearing adopts a NU205E model pressure bearing.

[0015] Furthermore, the locking nut is assembled and connected to the roller core, wherein one of the pressure covers is fixedly connected to the roller core, and the other pressure cover is fixedly connected to the locking nut.

[0016] Further, the sealing element includes an oil seal and a spacer;

[0017] The two spacers are respectively located on the outer sides of the two deep groove ball bearings, wherein one spacer abuts against the end face formed by the outer wall of the core shaft, and the other spacer abuts against the spacer ring;

[0018] The oil seal sleeve is arranged on the spacer sleeve and is fixed and sealed by a gland.

[0019] In the second aspect, based on the same inventive concept, the utility model also provides a wire drawing tool having the roller die structure as described in the first aspect, including:

[0020] Fixed support;

[0021] At least one roller mold structure, a plurality of the roller mold structures are arranged in sequence on the fixed support, and the rollers of two adjacent roller mold structures are arranged in a well shape;

[0022] The guiding member comprises a core frame, which is arranged at one end of the fixed support. The core frame is provided with a through hole corresponding to the gap formed between the rollers. A mold jacket is also installed at the through hole, and a mold core is installed in the mold jacket.

[0023] Furthermore, the fixed support includes a first base and a second base, and an installation space for installing the roller mold base is reserved between the first base and the second base;

[0024] The first base and the second base are both provided with through holes corresponding to the gap formed between the rollers.

[0025] Furthermore, the core frame is arranged on the first base, the mold outer shell is a cylindrical structure, a core sleeve is arranged inside the mold outer shell and fixed by screws, and the mold core is correspondingly arranged in the core sleeve.

[0026] Compared with the prior art, the roller die structure and the wire drawing tool having the roller die structure described in the utility model have the following beneficial effects:

[0027] The roller die structure and the wire drawing tooling with the same described in the utility model adopt a brand-new roller die structure of a deep groove ball bearing with a metal oil seal and a rolling bearing, which greatly reduces the bearing cost and also satisfies the axial force. The structure and the seal can perfectly solve the oil leakage problem. It only needs to be oiled once every 2-3 months, the maintenance cycle is extended, and the labor intensity of the staff is effectively reduced, thereby improving the stable output of the production line. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:

[0029] Figure 1 A cross-sectional view of a roller mold structure according to an embodiment of the utility model;

[0030] Figure 2 This is a schematic diagram of a roller mold structure according to an embodiment of the utility model;

[0031] Figure 3 This is a schematic diagram of the first angle structure of a wire drawing tool according to an embodiment of the utility model;

[0032] Figure 4 This is a second angle schematic diagram of a wire drawing tool according to an embodiment of the utility model;

[0033] Figure 5 A side view of a wire drawing tool according to an embodiment of the utility model;

[0034] Figure 6 This is a schematic diagram of the guide component structure described in an embodiment of the utility model.

[0035] Description of reference numerals:

[0036] 1-roller mold base; 11-accommodating cavity; 12-crossbeam; 13-oil inlet hole; 2-roller assembly; 21-core shaft; 22-roller unit; 201-deep groove ball bearing; 202-rolling bearing; 203-roller core; 204-roller; 205-locking nut; 206-oil seal; 207-spacer sleeve; 208-pressure cover; 23-adjusting nut; 24-pressure block; 25-spacer ring; 26-nut; 3-fixed support; 31-first base; 32-second base; 4-guide member; 41-core frame; 42-mold jacket; 43-core sleeve; 44-core; 45-screw. DETAILED DESCRIPTION

[0037] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0038] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0039] See also Figure 1 and Figure 2 As shown, this embodiment provides a roller mold structure, including:

[0040] Roller die holder 1;

[0041] The roller assembly 2 is provided with at least two roller assemblies 2 (the present embodiment is explained with two roller assemblies 2, and other than these, it can be flexibly arranged according to actual needs). The roller assembly 2 includes a core shaft 21 and a roller unit 22 arranged on the core shaft 21. The core shaft 21 is detachably arranged on the roller mold base 1. The roller unit 22 includes a deep groove ball bearing 201, a rolling bearing 202, a roller core 203, a roller 204 and a locking nut 205. The deep groove ball bearing 201 and the rolling bearing 202 are both mounted on the core shaft 21. The roller core 203 is sleeved on the deep groove ball bearing 201 and the rolling bearing 202. The roller 204 and the locking nut 205 are correspondingly arranged on the roller core 203. A gap for the welding material to pass through is formed between two adjacent rollers 204. A pressure cover 208 is installed at each end of the roller core 203, and a sealing member is installed in the pressure cover 208.

[0042] Specifically, in the present embodiment, the roller die structure provided includes a roller die base 1, and a roller assembly 2 arranged on the roller die base 1. The roller assembly 2 adopts a deep groove ball bearing 201 with a metal oil seal 206 and a rolling bearing 202. Compared with the use of two tapered roller bearings, the bearing cost can be greatly reduced. At the same time, the axial force can be met. In combination with the seal, the problem of oil leakage can be effectively solved. After on-site installation tests, one refueling can meet 2-3 months of daily machining, which effectively reduces the labor intensity of the staff. On the premise of ensuring excellent product quality, the work efficiency of welding material processing is effectively improved.

[0043] A roller mold structure described in this embodiment adopts a new roller mold structure of a deep groove ball bearing 201 with a metal oil seal 206 and a rolling bearing 202, which greatly reduces the bearing cost while also meeting the axial force. This structure combined with the seal can perfectly solve the oil leakage problem, and only needs to be oiled once every 2-3 months. The maintenance cycle is extended from the original 3 days to 2 to 3 months, which effectively reduces the labor intensity of the staff and improves the stable output of the production line.

[0044] In some embodiments, a receiving cavity 11 is formed in the roller mold base 1, and an assembly hole is formed on the two beams 12 formed by the receiving cavity 11, and the core shaft 21 is correspondingly arranged in the assembly hole;

[0045] An adjusting nut 23 is sleeved on one end of the core shaft 21, and a pressing block 24 is fixed to the cross beam 12 by screws, and the adjusting nut 23 is engaged by the pressing block 24;

[0046] The other end of the core shaft 21 is also sleeved with a spacer ring 207 , and the spacer ring 207 is located in the assembly hole of the other crossbeam 12 , and the spacer ring 207 is fixed on the core shaft 21 through a nut 26 .

[0047] Specifically, in the present embodiment, a receiving cavity 11 for accommodating a roller wheel unit 22 is provided on the roller mold base 1, and an assembly hole is provided on the formed cross beam 12, and the core shaft 21 is correspondingly installed in the assembly hole. By adjusting the matching form of the nut 23, the pressure block 24 and the spacer ring 207, the assembly connection of the entire roller mold assembly 2 and the roller mold base 1 is realized. The assembly structure is simple and easy to disassemble, and it is also convenient for the staff to operate when disassembly and maintenance are required.

[0048] In some embodiments, the core shaft 21 is hollow inside, and an oil groove is formed on the outer wall of the core shaft 21 , and an oil inlet hole 13 communicating with the oil groove is formed on the top and side wall of the roller mold base 1 .

[0049] Specifically, in this embodiment, the interior of the core shaft 21 is a hollow structure. The purpose of providing this structure is to input a cold medium into the hollow structure during the processing to cool the core shaft 21 and ensure the stable operation of the device.

[0050] At the same time, an oil inlet hole 13 is arranged on the roller die base 1. When the bearing system needs to be lubricated, the lubricating oil reaches the bearing system through the oil inlet hole 13 to play a lubricating role.

[0051] In some embodiments, the number of deep groove ball bearings 201 is two, the rolling bearing 202 is located between the two deep groove ball bearings 201, a gasket is further installed between the rolling bearing 202 and the deep groove ball bearing 201, and the rolling bearing 202 is a NU205E pressure bearing;

[0052] The locking nut 205 is assembled and connected to the roller core 203, wherein one gland 208 is fixedly connected to the roller core 203, and the other gland 208 is fixedly connected to the locking nut 205;

[0053] The sealing element includes an oil seal 206 and a spacer 207;

[0054] The two spacers 207 are respectively located outside the two deep groove ball bearings 201, wherein one spacer 207 abuts against the end surface formed by the outer wall of the core shaft 21, and the other spacer 207 abuts against the spacer 207 ring;

[0055] The oil seal 206 is sleeved on the spacer 207 and fixed and sealed by the pressure cover 208 .

[0056] Specifically, in this embodiment, a roller unit 22 is used which is matched with a deep groove ball bearing 201, a rolling bearing 202, a roller core 203, a roller 204, a locking nut 205, a pressure cover 208, an oil seal 206 and a spacer sleeve 207. The new roller unit 22 adopts the structure of a deep groove ball bearing 201 + a rolling bearing 202 with a metal oil seal 206, which greatly reduces the bearing cost and also meets the axial force. This structure combined with the oil seal 206 can perfectly solve the oil leakage problem, and oiling only needs to be done once every 2-3 months.

[0057] Based on the same inventive concept, Figures 3 to 5 As shown, this embodiment also provides a wire drawing tool, having the roller mold structure as described in the above embodiment, including:

[0058] Fixed support 3;

[0059] At least one roller mold structure, multiple roller mold structures are arranged in sequence on the fixed support 3, and the roller wheels 204 of two adjacent roller mold structures are arranged in a well shape;

[0060] like Figure 6 As shown, the guide member 4 includes a core frame 41, which is arranged at one end of the fixed support 3, and the core frame 41 is provided with a through hole corresponding to the gap formed between the rollers 204, and a mold jacket 42 is also installed at the through hole, and a mold core 44 is installed in the mold jacket 42;

[0061] The fixed support 3 includes a first base 31 and a second base 32, and an installation space for installing the roller mold base 1 is reserved between the first base 31 and the second base 32;

[0062] The first base 31 and the second base 32 are both provided with through holes corresponding to the gap formed between the rollers 204;

[0063] The core frame 41 is arranged on the first base 31 . The mold outer shell 42 is a cylindrical structure, in which a core sleeve 43 is installed and fixed by screws 45 . The core 44 is correspondingly installed in the core sleeve 43 .

[0064] Specifically, in this embodiment, a core frame 41 is arranged on the fixed support 3, a mold jacket 42 is arranged on the core frame 41, and a core sleeve 43 is arranged on the mold jacket 42 through screws 45. A core 44 is arranged in the core sleeve 43, and cores 44 of different sizes can be replaced according to different wire diameters to meet different processing requirements;

[0065] Based on the core 44 structure and the roller 204 system, the stable production and operation of the wire drawing tool can be guaranteed, and the product quality is excellent. At the same time, the tool has low maintenance cost and long maintenance cycle, and the service life can be effectively extended. Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it; although the utility model is described in detail with reference to the above embodiments, ordinary technicians in this field should understand that it is still possible to modify the technical solutions recorded in the above embodiments, or to replace some or all of the technical features therein; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model, and they should all be included in the scope of the claims and specifications of the utility model.

[0066] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A roller mold structure, characterized in that: include: Roller die holder; A roller assembly, wherein at least two roller assemblies are provided, wherein the roller assembly comprises a core shaft and a roller unit arranged on the core shaft, wherein the core shaft is detachably arranged on the roller die seat, wherein the roller unit comprises a deep groove ball bearing, a rolling bearing, a roller core, a roller and a locking nut, wherein the deep groove ball bearing and the rolling bearing are both mounted on the core shaft, wherein the roller core is sleeved on the deep groove ball bearing and the rolling bearing, wherein the roller and the locking nut are correspondingly arranged on the roller core, wherein a gap is formed between two adjacent rollers for the welding material to pass through, and pressure covers are respectively installed at both ends of the roller core, wherein a sealing member is installed in the pressure cover.

2. A roller mold structure according to claim 1, characterized in that: A receiving cavity is formed in the roller mold seat, and an assembly hole is formed on two beams formed by the receiving cavity, and the core shaft is correspondingly arranged in the assembly hole; An adjusting nut is sleeved on one end of the mandrel, and the adjusting nut is fixed on one of the cross beams through a pressing block; The other end of the core shaft is also sleeved with a spacer ring, and the spacer ring is located in the assembly hole of another crossbeam, and the spacer ring is fixed on the core shaft through a nut.

3. A roller mold structure according to claim 2, characterized in that: The core shaft is hollow inside, and an oil groove is provided on the outer wall of the core shaft. The top and side walls of the roller mold seat are provided with oil inlet holes connected with the oil groove.

4. A roller mold structure according to claim 1, characterized in that: The number of the deep groove ball bearings is two, the rolling bearing is located between the two deep groove ball bearings, and a gasket is installed between the rolling bearing and the deep groove ball bearings.

5. A roller mold structure according to claim 4, characterized in that: The rolling bearing adopts a NU205E type pressure bearing.

6. A roller mold structure according to claim 1, characterized in that: The locking nut is assembled and connected to the roller core, wherein one of the pressure covers is fixedly connected to the roller core, and the other pressure cover is fixedly connected to the locking nut.

7. A roller mold structure according to claim 1, characterized in that: The sealing element comprises an oil seal and a spacer; The two spacers are respectively located on the outer sides of the two deep groove ball bearings, wherein one spacer abuts against the end face formed by the outer wall of the core shaft, and the other spacer abuts against the spacer ring; The oil seal sleeve is arranged on the spacer sleeve and is fixed and sealed by a gland.

8. A wire drawing tool having a roller die structure as claimed in any one of claims 1 to 7, characterized in that: include: Fixed support; At least one roller mold structure, a plurality of the roller mold structures are arranged in sequence on the fixed support, and the rollers of two adjacent roller mold structures are arranged in a well shape; The guiding member comprises a core frame, which is arranged at one end of the fixed support. The core frame is provided with a through hole corresponding to the gap formed between the rollers. A mold jacket is also installed at the through hole, and a mold core is installed in the mold jacket.

9. A wire drawing tool according to claim 8, characterized in that: include: The fixed support includes a first base and a second base, and an installation space for installing the roller mold base is reserved between the first base and the second base; The first base and the second base are both provided with through holes corresponding to the gap formed between the rollers.

10. A wire drawing tool according to claim 9, characterized in that: include: The core frame is arranged on the first base, the mold outer shell is a cylindrical structure, a core sleeve is arranged inside the mold outer shell and fixed by screws, and the core is correspondingly arranged in the core sleeve.

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