Torque amplification type one-way bearing feeding mechanism

Abstract

The utility model discloses a torque amplification type one-way bearing feeding mechanism which comprises a driving mechanism for achieving wire feeding, the driving mechanism comprises a material pulling driving gear set and a material pulling gear set, and a feeding gear rocker arm is arranged in a mode of being matched with the material pulling driving gear set. A one-way bearing outer ring is arranged at the end of the material pulling driving gear set in a matched mode, the one-way bearing outer ring penetrates out of the feeding gear rocker arm to be matched with a one-way bearing outer ring positioning pin arranged on the outer working face of the feeding gear rocker arm in a protruding mode, and the torque is amplified by arranging a one-way bearing at the end of the material pulling driving pinion in a sleeving mode. The built-in one-way bearing ensures gapless one-way rotary feeding of the driving gear set, feeding can be accurately controlled, and meanwhile the feeding device is simple in structure and low in manufacturing cost.

Description

Technical Field

[0001] The utility model relates to the technical field of fastener processing equipment, in particular to a feeding mechanism of a torque-amplified one-way bearing. Background Art

[0002] With the rapid development of society, more and more metal sheet processing is carried out through modern equipment, so as to improve the processing efficiency of the sheet. Among them, there appears a cold heading for rapidly cooling the processed sheet, so that its shape change is quickly completed. A cold heading machine is a special equipment mainly used for batch production of fasteners such as nuts and bolts.

[0003] When preparing fastener bolts, a cold heading machine is needed. A material rack, a straightener and a pressure wheel, etc. need to be arranged at the inlet of the cold heading machine. Among them, the symmetrically distributed pressure wheels need to feed the wire into the cold heading machine for cold heading operation.

[0004] These wires need a fixed length. Therefore, after feeding a certain length, it is necessary to stop the machine for cutting. The traditional pressure wheel mechanism is prone to reverse when the machine stops, seriously affecting the normal operation of the cold heading machine. The publication number is CN213436993U, a pressure wheel driving mechanism of a cold heading machine with an anti-reverse function, discloses a pressure wheel driving mechanism of a cold heading machine with an anti-reverse function, including four pressure wheel assemblies. The pressure wheel assembly includes a transmission tooth, the transmission tooth is connected to a loading disk through a connecting shaft, and a pressure wheel is connected to the loading disk. The pressure wheel is composed of two parallel wheel bodies with a gap between them. These four pressure wheel assemblies are paired in pairs, and the transmission teeth between adjacent pressure wheel assemblies are meshed with each other. The driving mechanism further includes a power wheel connected to the output shaft of the driving motor. A first connecting rod is rotatably connected to the power wheel, and the connecting shaft between the first connecting rod and the power wheel is not located on the central axis of the power wheel. The top end of the first connecting rod is hinged to the bottom end of the second connecting rod, and the ratchet wheel is arranged outside the transmission tooth of a certain pressure wheel assembly. The top end of the second connecting rod is hinged with a movable block, and a ratchet tooth part matched with the ratchet wheel is arranged at one end of the movable block.

[0005] In the prior art, directly limiting the gear through such a limiting block has a stroke gap, resulting in inaccurate control of the feeding and a large error. Summary of the Utility Model

[0006] Aiming at the deficiencies in the prior art, the utility model provides a feeding mechanism of a torque-amplified one-way bearing, which can effectively prevent the feeding mechanism from reversing through a simple structure and has a high control accuracy.

[0007] To solve the above technical problems, the utility model is solved by the following technical solutions: A torque-amplified one-way bearing feeding mechanism, including a driving mechanism for realizing wire feeding. The driving mechanism includes a pulling active gear set and a pulling gear set. An inlet gear rocker arm is arranged in a matching manner with the pulling active gear set. A one-way bearing outer ring is arranged at the end of the pulling active gear set in a matching manner. The one-way bearing outer ring passes through the middle of the inlet gear rocker arm and is matched with a one-way bearing outer ring positioning pin protruding from the outer working surface of the inlet gear rocker arm.

[0008] In the above technical solution, the inlet gear rocker arm includes two rocker arm bodies with the same structure and arranged symmetrically. The two rocker arm bodies are connected by a connecting rod pin shaft, and there is an installation space between the two rocker arm bodies.

[0009] In the above technical solution, a first working hole, a second working hole and a connecting hole are arranged on the rocker arm body. The pulling active gear set is arranged in the installation space and is assembled through the first working hole and the second working hole. The connecting rod pin shaft connects the two rocker arm bodies together through the connecting hole.

[0010] In the above technical solution, the pulling active gear set includes a pulling active large gear and a pulling active small gear that mesh with each other.

[0011] In the above technical solution, the one-way bearing outer ring is respectively sleeved on the two ends of the pulling active small gear and passes through the second working hole of the rocker arm body.

[0012] In the above technical solution, a blocking portion is protruding circumferentially on the outer periphery of the one-way bearing outer ring. The blocking portion is matched with the one-way bearing outer ring positioning pin to realize limiting.

[0013] In the above technical solution, the pulling active large gear is arranged in the installation space formed by the combination of the two rocker arm bodies, and the rack of the pulling active large gear is exposed outside the installation space to mesh with the pulling gear set.

[0014] In the above technical solution, the pulling gear set includes a first pulling gear set and a second pulling gear set that are arranged parallel to each other up and down and have a gap therebetween. The first pulling gear set and the second pulling gear set are respectively meshed with the pulling active large gear.

[0015] In the above technical solution, the first pulling gear set includes a first pulling main gear and a first pulling sub-gear that mesh with each other. The first pulling main gear is meshed with the pulling active large gear; the second pulling gear set includes a second pulling main gear and a second pulling sub-gear that mesh with each other. The second pulling main gear is meshed with the pulling active large gear.

[0016] In the above technical solution, the driving large pulling gear and the pulling gear set are both installed on the clamping seat through a pulling shaft.

[0017] Compared with the prior art, the present utility model has the following beneficial effects: By sleeving a one-way bearing at the end of the driving small pulling gear to amplify the torque, and the built-in one-way bearing ensures the one-way rotation and feeding of the driving gear set without clearance, precise control of the feeding can be achieved. At the same time, the structure is simple and the manufacturing cost is relatively low. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0019] Figure 1 It is a schematic structural diagram of the present utility model.

[0020] Figure 2 It is an exploded structural diagram of the present utility model.

[0021] Figure 3 It is a schematic diagram of the assembly relationship between the driving pulling gear set and the feeding gear rocker arm.

[0022] Figure 4 It is an exploded structural diagram of the assembly relationship between the driving pulling gear set and the feeding gear rocker arm. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] The present utility model will be further described in detail below with reference to the drawings.

[0024] The following description is used to disclose the present utility model so that those skilled in the art can implement the present utility model. The preferred embodiments described below are only examples, and those skilled in the art can think of other obvious variations. The basic principles defined in the following description can be used in other implementation schemes, variation schemes, improvement schemes, equivalent schemes, and other technical schemes that do not deviate from the spirit and scope of the present utility model.

[0025] Those skilled in the art should understand that in the disclosure of the present utility model, the orientations or positions indicated by the terms "longitudinal", "lateral", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientations or position relationships shown in the drawings. These are only for the convenience of simplifying the description of the present utility model and do not indicate or imply that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the above terms should not be construed as limitations on the present utility model.

[0026] It can be understood that the term "a" should be understood as "at least one" or "one or more". That is, in one embodiment, the number of an element can be one, while in other embodiments, the number of this element can be multiple. The term "a" should not be construed as a limitation on the quantity.

[0027] See Figures 1 to 4 , a feeding mechanism for a torque-amplified one-way bearing, which includes a driving mechanism for realizing wire feeding. Of course, the driving mechanisms are all installed through the clamping seat 6. The clamping seat 6 is provided with several assembly positions, including the assembly position 60 for the main pulling gear 11, the first main pulling gear assembly position 61, the first auxiliary pulling gear assembly position 62, the second main pulling gear assembly position 63, and the second auxiliary pulling gear assembly position 64.

[0028] The driving mechanism includes a main pulling gear group 1 and a pulling gear group 2. Among them, the main pulling gear group 1 includes a main pulling large gear 11 and a main pulling small gear 12.

[0029] The pulling gear group 2 includes a first pulling gear group and a second pulling gear group. Further, the first pulling gear group includes a first main pulling gear 21 and a first auxiliary pulling gear 22 that mesh with each other; the second pulling gear group includes a second main pulling gear 23 and a second auxiliary pulling gear 24 that mesh with each other; the arrangement method is: the first pulling gear group and the second pulling gear group are arranged parallel to each other up and down and there is a gap between them.

[0030] Pulling shafts are provided on the first main pulling gear 21, the first auxiliary pulling gear 22, the second main pulling gear 23, and the second auxiliary pulling gear 24. These pulling shafts pass through the first main pulling gear assembly position 61, the first auxiliary pulling gear assembly position 62, the second main pulling gear assembly position 63, and the second auxiliary pulling gear assembly position 64 respectively and are then connected to the pulling wheels respectively.

[0031] A feed gear rocker arm 3 is arranged in cooperation with the pulling material driving gear set 1. The feed gear rocker arm 3 includes two rocker arm bodies with the same structure and symmetrically arranged. A first working hole 31, a second working hole 32 and a connecting hole 33 are arranged on the rocker arm body. A one-way bearing outer ring positioning pin 5 protrudes from the outer working surface of the feed gear rocker arm 3. The connecting rod pin shaft is arranged in the connecting hole 33 to connect the two rocker arm bodies together, and there is an installation space between the two rocker arm bodies.

[0032] The pulling material driving gear set 1 is arranged in the installation space and assembled through the first working hole 31 and the second working hole 32. Among them, one end of the pulling material driving large gear 11 is connected with a pulling material shaft. The pulling material shaft passes through the first working hole 31 and then passes out from the assembly position 60 of the pulling material driving large gear 11 to be connected with the pulling material wheel; one-way bearing outer rings 4 are respectively sleeved on the two ends of the pulling material driving small gear 12, and respectively pass out from the second working holes 32 of the rocker arm body. At the same time, the pulling material driving large gear 11 and the pulling material driving small gear 12 are meshed with each other to realize transmission. Of course, a blocking portion 41 protrudes circumferentially on the outer periphery of the one-way bearing outer ring 4, and the blocking portion 41 is matched with the one-way bearing outer ring positioning pin 5 to realize limiting and prevent the reverse rotation of the gear when the machine stops.

[0033] It is worth mentioning that the pulling material driving large gear 11 is arranged in the installation space formed by the combination of the two rocker arm bodies, and the rack of the pulling material driving large gear 11 is exposed outside the installation space to be meshed with the pulling material gear set 2.

[0034] More specifically, the first pulling material main gear 21 is meshed with the pulling material driving large gear 11; the second pulling material main gear 23 is meshed with the pulling material driving large gear 11.

[0035] In this way, when the wire stops cutting, the traditional pressure wheel mechanism is prone to reverse rotation when the machine stops. The blocking portion 41 protruding circumferentially on the outer periphery of the one-way bearing outer ring 4 can be matched with the one-way bearing outer ring positioning pin 5 to realize limiting, prevent the reverse rotation of the gear when the machine stops, there is no gap in the stroke, no error, and precise control is realized.

[0036] Those skilled in the art should understand that the embodiments of the present invention described above and shown in the drawings are only examples and do not limit the present invention. The object of the present invention has been completely and effectively realized. The functions and structural principles of the present invention have been shown and described in the embodiments. Without departing from the above principles, the embodiments of the present invention can have any deformation or modification.

Claims

1. A torque amplification type one-way bearing feeding mechanism, comprising a driving mechanism for realizing wire feeding, characterized in that, The driving mechanism includes a material pulling driving gear set (1) and a material pulling gear set (2). An inlet gear rocker arm (3) is arranged in a matching manner with the material pulling driving gear set. One end of the material pulling driving gear set (1) is provided with a one-way bearing outer ring (4) in a mating manner. The one-way bearing outer ring (4) passes through the middle of the inlet gear rocker arm (3) and is matched with a one-way bearing outer ring positioning pin (5) protruding from the outer working surface of the inlet gear rocker arm (3).

2. The torque amplification type one-way bearing material feeding mechanism according to claim 1, characterized in that, The inlet gear rocker arm (3) includes two rocker arm bodies with the same structure and arranged symmetrically. The two rocker arm bodies are connected by a connecting rod pin shaft, and an installation space is formed between the two rocker arm bodies.

3. The torque amplification type one-way bearing material feeding mechanism according to claim 2, characterized in that, A first working hole (31), a second working hole (32) and a connecting hole (33) are arranged on the rocker arm body. The material pulling driving gear set (1) is arranged in the installation space and is assembled through the first working hole (31) and the second working hole (32). The connecting rod pin shaft connects the two rocker arm bodies together through the connecting hole (33).

4. The torque amplification type one-way bearing material feeding mechanism according to claim 3, characterized in that, The material pulling driving gear set (1) includes a material pulling driving large gear (11) and a material pulling driving small gear (12) which are meshed with each other.

5. The torque amplification type one-way bearing feeding mechanism according to claim 4, characterized in that, The one-way bearing outer ring (4) is respectively sleeved on two ends of the material pulling driving small gear (12) and passes through the second working hole (32) of the rocker arm body.

6. The torque amplification type one-way bearing material feeding mechanism according to claim 5, characterized in that, A blocking portion (41) is protrudingly arranged on the outer circumference of the one-way bearing outer ring (4). The blocking portion (41) is matched with the one-way bearing outer ring positioning pin (5) to realize limit.

7. The torque amplification type one-way bearing feeding mechanism according to claim 4, characterized in that, The material pulling driving large gear (11) is arranged in the installation space formed by combining the two rocker arm bodies, and the rack of the material pulling driving large gear (11) is exposed outside the installation space and meshed with the material pulling gear set (2).

8. The torque amplification type one-way bearing material feeding mechanism according to claim 7, characterized in that, The material pulling gear set (2) includes a first material pulling gear set and a second material pulling gear set which are arranged parallel to each other up and down and have a space therebetween. The first material pulling gear set and the second material pulling gear set are respectively meshed with the material pulling driving large gear (11).

9. The torque amplification type one-way bearing material feeding mechanism according to claim 8, wherein, The first material pulling gear set includes a first material pulling main gear (21) and a first material pulling sub-gear (22) which are meshed with each other. The first material pulling main gear (21) is meshed with the material pulling driving large gear (11). The second material pulling gear set includes a second material pulling main gear (23) and a second material pulling sub-gear (24) which are meshed with each other. The second material pulling main gear (23) is meshed with the material pulling driving large gear (11).

10. The torque amplification type one-way bearing material feeding mechanism according to claim 9, characterized in that, The material pulling driving large gear (11) and the material pulling gear set are both installed on a clamping seat (6) through a material pulling shaft.

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