A chamber structure of the needle roller-type punch gun with multiple bearings

Abstract

A chamber structure of the needle roller-type punch gun with multiple bearings, comprising a housing (1), wherein a connecting bushing (11) is threaded onto one end of the housing (1), characterized in that a motion bushing (6) is arranged in an inner chamber of the housing (1), wherein a rotary rod (4) is further threaded onto the inner chamber of the motion bushing (6), wherein a limiting ring (41) is arranged on the surface of the rotary rod (4), wherein a bearing assembly (5) is arranged on the surface of the motion bushing (6), wherein needle rollers (61) are further arranged to roll symmetrically on the surface of the motion bushing (6), and wherein a push rod (3) is further arranged at one end of the motion bushing (6).

Description

TECHNICAL AREA The present utility model relates to the field of punching tool technology and describes in particular a chamber structure of a needle roller-type punching gun with multiple bearings. TECHNICAL BACKGROUND When working with sheet metal, especially aluminum alloy and copper sheets, it is often necessary to punch the sheet to allow for the mounting of further components and to complete the workpiece. Existing punching methods for metal sheets require the use of large punching machines. However, for outdoor applications, such as maintenance or assembly work on equipment, the sheet must be pre-punched. Patent number CN222288846U was searched, which relates in particular to an assembly structure for stamping bushings, a stamping connection head, and a stamping tool, and is to be assigned to the technical field of punching tools. The stamping seat of the assembly structure for stamping bushings has a storage groove for receiving the stamping workpiece, wherein the groove walls of the storage groove are each provided with a first hole and a second hole on opposite sides; wherein a telescopic seat is movably arranged in the first hole, wherein a third hole is provided on the side of the telescopic seat facing the second hole; wherein a first assembly seat can be inserted into the third hole, wherein the telescopic seat can move the drill closer to or further away from the second hole, wherein the circumference of the drill is designed to increase from the vicinity of the second hole to a greater distance from the second hole;wherein a mounting hole is provided on the side wall of the first mounting seat, wherein a first threaded hole is located on the side wall of the telescopic seat, which communicates with the third hole, the mounting hole being alignable with the first threaded hole to successively guide a screw through the first threaded hole and the mounting hole. A single punch bushing tool of the punch bushing assembly structure allows several upper punching tools of different sizes to be used together, which contributes to improving the portability of the connection head. In the aforementioned patent, both the push rod and the rotary rod in the chamber body of a punch gun generate frictional forces with the housing, which leads to a heating of the housing. CONTENT OF THE PRESENT APPLICATION To remedy the shortcomings of the prior art, the present utility model provides a chamber structure of the needle roller-type punching gun with multiple bearings, which solves the problem that both the push rod and the rotary rod in the chamber body of a punching gun experience frictional forces with the housing, leading to heating of the housing. To achieve the aforementioned objectives, the present utility model is realized by the following technical concept: A chamber structure of the needle roller-type punching gun with multiple bearings, comprising a housing, wherein a connecting bushing is threaded onto one end of the housing, characterized in that a motion bushing is arranged in an inner chamber of the housing, wherein a rotary rod is further threaded onto the inner chamber of the motion bushing, wherein a limiting ring is arranged on the surface of the rotary rod, wherein a bearing assembly is arranged on the surface of the motion bushing, wherein needle rollers are further arranged to roll symmetrically on the surface of the motion bushing, and wherein a push rod is further arranged at one end of the motion bushing. Preferably, the bearing assembly comprises a deep groove ball bearing, a thrust bearing and a snap lock, wherein washers are further arranged between the deep groove ball bearing, the thrust bearing and the snap lock. Preferably, the deep groove ball bearing, the thrust bearing, the snap lock and the washers are movably mounted on the surface of the rotary rod and the deep groove ball bearing rests against the limiting ring, wherein the deep groove ball bearing, the thrust bearing, the snap lock and the washers are located in the inner chamber at one end of the housing. Preferably, a push head and a threaded connection head are arranged at both ends of the push rod, with the threaded connection head being threaded onto one end of the motion bushing. Preferably, the push rod and the threaded connection head are compatible with the inner chamber of the connection socket. Preferably, a threaded connection head is attached to the other end of the housing. This utility model provides a chamber structure for the needle roller-type punching gun with multiple bearings. Compared to the prior art, it has the following advantageous effects: This chamber structure of the needle roller-type punching gun, through the use of a deep groove ball bearing and snap lock, reduces friction between the rotating rod and the housing body during rotation, thereby lowering the housing temperature. Subsequently, the thread drives the motion bushing, which can telescope via needle rollers in the inner chamber of the housing. The design of the three-sided needle rollers significantly reduces friction between the push rod and the housing body, resulting in a temperature reduction.At the same time, the bearing assembly and the motion bushing prevent a temperature increase and heating of the lubricating oil in the inner chamber of the housing, with the reduced temperature development also helping to solve problems of excessive oil consumption within the chamber. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 shows a schematic representation of the structure of the present utility model; Fig. 2 shows a schematic representation of the rear structure of the present utility model; Fig. 3 shows a schematic representation of the local structure of the present utility model; Fig. 4 shows a schematic representation of the explosive structure of the present utility model. In the figures: 1. Housing; 11. Connection socket; 2. Connection head; 3. Push rod; 31. Push head; 32. Threaded connection head; 4. Rotary rod; 41. Limiting ring; 5. Bearing assembly; 51. Deep groove ball bearing; 52. Thrust bearing; 53. Snap lock; 54. Washer; 6. Motion bushing; 61. Needle roller. DETAILED DESCRIPTION The technical solutions of the preferred embodiments of this utility model are described clearly and completely below with reference to the accompanying drawings. Obviously, the described embodiments represent only a subset of the embodiments of the utility model and not all existing embodiments. Based on the embodiments of this utility model, all other embodiments that a person skilled in the art could achieve without inventive work fall within the scope of protection of this utility model. With reference to Figures 1-4, the present utility model provides a technical concept: A chamber structure of the needle roller-type punch gun with multiple bearings comprising a housing 1, wherein a connection socket 11 is threaded onto one end of the housing 1, and wherein a connection head 2 is threaded onto the other end of the housing 1, and wherein an external electric gun, comparable to the electric gun described in CN114393121A, can be connected via the connection head 2. The surface of the housing 1 is provided with an oil supply connection; before use, the oil is injected into the inner chamber of the housing 1 and then sealed by a screw, whereby the addition of oil provides lubrication. A motion bushing 6 is arranged in the inner chamber of the housing 1, wherein a rotary rod 4 is threaded onto the inner chamber of the motion bushing 6, a limiting ring 41 is arranged on the surface of the rotary rod 4, a bearing assembly 5 is arranged on the surface of the motion bushing 6, and needle rollers 61 are arranged symmetrically and rolling on the surface of the motion bushing 6, and a push rod 3 is arranged at one end of the motion bushing 6. The two ends of the motion bushing 6 have different diameters, with the larger end being equipped with needle rollers 61. These needle rollers 61 communicate with the inner wall of the housing 1 to enable a rolling sliding motion, reduce friction, and ensure that the push rod 3 does not come into direct contact with the inner wall of the housing 1. The bearing assembly 5 comprises a deep groove ball bearing 51, a thrust bearing 52, and a snap lock 53, wherein washers 54 are further arranged between the deep groove ball bearing 51, the thrust bearing 52, and the snap lock 53, wherein the deep groove ball bearing 51, the thrust bearing 52, the snap lock 53, and the washers 54 are movably mounted on the surface of the rotary rod 4, and the deep groove ball bearing 51 rests against the limiting ring 41, wherein the deep groove ball bearing 51, the thrust bearing 52, the snap lock 53, and the washers 54 are located in the inner chamber at one end of the housing 1 and are fixed there. The function of the snap lock 53 is to fix the thrust bearing 52, the snap lock 53 itself, and the washers 54 and to rest against the limiting ring 41. This ensures that there is no loss of strength or dislocation, while at the same time enabling the rotational movement of the rotary rod 4.The rotation of the deep groove ball bearing 51 and the axial bearing 52 avoids friction between the rotary rod 4 and the housing, which helps to reduce the housing temperature. At each end of the push rod 3, a push head 31 and a threaded connection head 32 are arranged, the threaded connection head 32 being threaded onto one end of the motion sleeve 6, the push rod 3 and the threaded connection head 32 being compatible with the inner chamber of the connection sleeve (11). The push head 31 is also located on the outside of one end of the connection sleeve 11. Rotation of the rotary rod 4 moves the motion sleeve 6 within the inner chamber of the housing 1, thereby extending or retracting the push rod 3. During assembly, the needle roller 61 is first mounted onto the rotary rod 4, and the bearing assembly 5 is attached to one end of the rotary rod 4. The motion bushing 6 is then slid into the inner chamber of the housing 1. Next, the rotary rod 4 is also inserted into the inner chamber of the housing 1, with the bearing assembly 5 being attached to one end of the housing 1. In the next step, one end of the threaded connection head 32 is inserted into the other end of the housing 1 and screwed to one end of the motion bushing 6. The connection bushing 11 is then placed onto the push rod 3 and secured to the other end of the housing 1. Finally, oil is poured into the inner chamber of the housing 1. When the power-on is required, the external electric gun is connected via the connection head 2, with the connection end of the electric gun being placed on one end of the rotary rod 4. The electric gun is then started, driving the rotary rod 4 to rotate within the deep groove ball bearing 51 and the thrust bearing 52. The use of the deep groove ball bearing 51 and the snap lock 53 reduces friction between the rotary rod 4 and the housing body during rotation, thereby lowering the housing temperature. Subsequently, the thread drives the motion bushing 6, which can telescoping through needle rollers 61 in the inner chamber of the housing 1. The design of the three-sided needle rollers 61 significantly reduces friction with the housing body, resulting in a temperature reduction.At the same time, the bearing assembly 5 and the motion bushing 6 prevent a temperature increase and heating of the lubricating oil in the inner chamber of the housing 1, with the reduced temperature development also helping to solve problems of excessive oil consumption within the chamber. Finally, the motion bushing 6 moves the push rod 3 within the inner chamber of the connection bushing 11, causing the push head 31 to telescope. It should be noted that in this context, relational terms such as first and second, etc., are used only to distinguish one object or process from another, without necessarily requiring or implying that any such actual relationship or order exists between these objects or processes. Furthermore, the term "include," "contain," or any other variation thereof is intended to cover non-exclusive inclusion, such that a process, procedure, article, or device comprising a set of elements includes not only those elements but also other elements not expressly listed or inherent in such process, procedure, article, or device.In the absence of further limitations, elements defined by the phrase "including a specific element" do not preclude the presence of additional identical elements in the process, method, article or apparatus comprising the elements. Although embodiments of the utility model have been illustrated and described, the person skilled in the art understands that a multitude of variations, modifications, substitutions and adaptations of these embodiments are possible without departing from the principle and spirit of the utility model, the scope of which is limited by the attached claims and their equivalents. SUMMARY The present utility model discloses a chamber structure of a needle roller-type punching gun with multiple bearings, comprising a housing, wherein a connecting bushing is threaded onto one end of the housing, characterized in that a motion bushing is arranged in an inner chamber of the housing, wherein a rotary rod is further threaded onto the inner chamber of the motion bushing, wherein a limiting ring is arranged on the surface of the rotary rod, wherein a bearing assembly is arranged on the surface of the motion bushing, wherein needle rollers are further arranged to roll symmetrically on the surface of the motion bushing, wherein a push rod is further arranged at one end of the motion bushing, wherein the utility model relates to the technical field of punching tools.This chambered structure of the needle roller-type punch gun with multiple bearings significantly reduces friction between the rotating rod and the housing body during rotation through the use of deep groove ball bearings and thrust bearings. Furthermore, the design of the three-sided needle rollers significantly reduces friction between the push rod and the housing body, leading to a lower housing temperature and preventing the lubricating oil in the housing's inner chamber from heating up. This reduced temperature development also helps to resolve issues of excessive oil consumption within the chamber. QUOTES INCLUDED IN THE DESCRIPTION This list of documents cited by the applicant was automatically generated and is included solely for the reader's convenience. The list is not part of the German patent or utility model application. The DPMA accepts no liability for any errors or omissions. Cited patent literature CN 222288846U

[0003] CN 114393121A

[0014]

Claims

A chamber structure of the needle roller-type punch gun with multiple bearings, comprising a housing (1), wherein a connecting bushing (11) is threaded onto one end of the housing (1), characterized in that a motion bushing (6) is arranged in an inner chamber of the housing (1), wherein a rotary rod (4) is further threaded onto the inner chamber of the motion bushing (6), wherein a limiting ring (41) is arranged on the surface of the rotary rod (4), wherein a bearing assembly (5) is arranged on the surface of the motion bushing (6), wherein needle rollers (61) are further arranged to roll symmetrically on the surface of the motion bushing (6), and wherein a push rod (3) is further arranged at one end of the motion bushing (6). Chamber structure of the needle roller-type punch gun with multiple bearings according to claim 1, characterized in that the bearing assembly (5) comprises a deep groove ball bearing (51), an axial bearing (52) and a snap lock (53), wherein washers (54) are further arranged between the deep groove ball bearing (51), the axial bearing (52) and the snap lock (53). Chamber structure of the needle roller-type punch gun with multiple bearings according to claim 2, characterized in that the deep groove ball bearing (51), the axial bearing (52), the snap lock (53) and the washers (54) are movably mounted on the surface of the rotary rod (4) and the deep groove ball bearing (51) rests against the limiting ring (41), wherein the deep groove ball bearing (51), the axial bearing (52), the snap lock (53) and the washers (54) are located in the inner chamber at one end of the housing (1). Chamber structure of the needle roller-like punching gun with multiple bearings according to claim 1, characterized in that a push head (31) and a threaded connection head (32) are arranged at both ends of the push rod (3), wherein the threaded connection head (32) is threaded onto one end of the movement bushing (6). Chamber structure of the needle roller-type punch gun with multiple bearings according to claim 4, characterized in that the push rod (3) and the threaded connection head (32) are compatible with the inner chamber of the connection socket (11). Chamber structure of the needle roller-type punch gun with multiple bearings according to claim 1, characterized in that a connecting head (2) is threaded onto the other end of the housing (1).

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