Lead cutter and carbon brush forming machine

Abstract

The utility model discloses a lead cutter and a carbon brush forming machine. The lead cutter comprises a pair of scissors, a blade occlusion block, at least one first driving piece and a connecting piece, the scissors are provided with a first blade and a second blade, the first blade comprises a first cutter head and a first cutter handle, an inclination angle is formed between the first cutter head and the first cutter handle, a first protruding block is arranged at the tail of the first cutter handle, the second blade comprises a second cutter head and a second cutter handle, and an inclination angle is formed between the second cutter head and the second cutter handle. A second protruding block is arranged at the tail of the second knife handle, the first knife head and the second knife head are hinged to the connecting piece in a pivoted mode through a pivoting structure, and the driving piece is arranged on the connecting piece, located on the side, close to the scissors, of the blade meshing block and connected with the blade meshing block; a first straight groove and a second straight groove which are not parallel are formed in the blade meshing block, and the first protruding block and the second protruding block are movably arranged in the first straight groove and the second straight groove respectively.

Description

Technical Field

[0001] This utility model patent relates to carbon brush production equipment, specifically to a lead cutter and a carbon brush forming machine. Background Art

[0002] In the forming process of the fully automatic carbon brush forming machine, there will be a wire planting action, which will lead to a scissor cutting action. At present, the scissor mechanism used by us and our peers is as follows: Figure 1 As shown, Figure 1 The cylinder of the scissor structure is set on the extension line of the tail of the scissors. The disadvantage of this structure is that the whole structure is too long, and part of the cylinder is exposed outside the equipment, which often leads to safety accidents such as the scissor mechanism hitting people, posing a great safety hazard. Utility Model Content

[0003] The purpose of the utility model is to provide a novel carbon brush forming machine to solve the problems existing in the above-mentioned prior art.

[0004] In order to solve the above problems, one aspect of the present utility model provides a wire cutter, comprising: a pair of scissors, a blade bite block, at least one first driving member and a connecting member; wherein, the scissors have a first blade and a second blade, the first blade comprises a first cutting head and a first handle, there is an inclination angle between the first cutting head and the first handle, a first protrusion block is provided at the tail of the first handle, the second blade comprises a second cutting head and a second handle, there is an inclination angle between the second cutting head and the second handle, a second protrusion block is provided at the tail of the second handle, the first cutting head and the second cutting head are rotatably connected to the connecting member through a fixing pin, the driving member is arranged on the connecting member, and is located on a side of the blade bite block close to the scissors and connected to the blade bite block; two non-parallel first straight grooves and a second straight groove are provided on the blade bite block, the first protrusion block and the second protrusion block are movably arranged in the first straight groove and the second straight groove respectively.

[0005] In one embodiment, the first straight groove and the second straight groove on the blade engaging block are arranged in an "eight" shape, with their small ends close to the first handle and the second handle, and their large ends away from the first handle and the second handle.

[0006] In one embodiment, the first straight groove and the second straight groove are symmetrically arranged, with the axis passing through the center of the fixing pin.

[0007] In one embodiment, the cutting edge on the first cutting head is arranged opposite to the cutting edge on the second cutting head.

[0008] In one embodiment, the first driving member is a cylinder or a servo motor, there are two of them, which are respectively arranged on the outside of the first straight slot and the second straight slot, and the movable end of the first driving member is connected to the blade engaging block.

[0009] In one embodiment, it further includes a scissors frame, at least one guide rod, a guide sleeve, and a second driving member; wherein one end of the guide rod is connected to the scissors frame, the guide sleeve is sleeved on the guide rod, and the guide sleeve is respectively connected to the second driving member and the connecting member.

[0010] In one embodiment, the scissors frame is arranged perpendicular to the guide rod.

[0011] In one embodiment, the second driving member is a telescopic cylinder, the end of the piston rod of which is connected to the scissors frame, and the piston rod is parallel to the guide rod.

[0012] In one embodiment, a height adjustment block is further included, and the height adjustment block is arranged at the lower part of the scissors frame and connected to the scissors frame.

[0013] A carbon brush forming machine comprises the above-mentioned lead cutter.

[0014] The advantages and beneficial effects of the present invention include at least one of the following:

[0015] 1. Set the scissor head and the handle at an angle, and set the cylinder on the same side of the scissors, so that the size of the cutter is reduced, eliminating the unsafe factors caused by the original large size of the cutter.

[0016] 2. The carbon brush lead cutter can be hidden inside the casing, which not only improves safety but also makes the carbon brush forming machine more beautiful in appearance. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, without paying creative labor, other drawings obtained based on these drawings still fall within the scope of the present invention.

[0018] Figure 1 A schematic structural diagram of a wire cutter in the prior art is shown;

[0019] Figure 2 A three-dimensional schematic diagram of a wire cutter in one embodiment of the present invention is shown;

[0020] Figure 3 for Figure 2 Bottom view of . DETAILED DESCRIPTION

[0021] The following will be combined with the accompanying drawings to describe the preferred embodiments of the present invention in detail so that the purpose, features and advantages of the present invention can be more clearly understood. It should be understood that the embodiments shown in the accompanying drawings are not intended to limit the scope of the present invention, but are only intended to illustrate the essential spirit of the technical solution of the present invention.

[0022] In the following description, for the purpose of illustrating the various disclosed embodiments, certain specific details are set forth in order to provide a thorough understanding of the various disclosed embodiments. However, those skilled in the relevant art will recognize that the embodiments may be practiced without one or more of these specific details. In other cases, well-known devices, structures, and techniques associated with this application may not be shown or described in detail to avoid unnecessarily obscuring the description of the embodiments.

[0023] Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Thus, the appearances of "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any manner in one or more embodiments.

[0024] In the following description, in order to clearly demonstrate the structure and working mode of the present invention, many directional words will be used for description, but words such as "front", "back", "left", "right", "outside", "inside", "outward", "inward", "up", and "down" should be understood as convenient terms and should not be understood as restrictive terms.

[0025] It should be noted that the features shown in the drawings of this application may belong to one embodiment or to different embodiments, as long as there is no conflict between these features. To save space, this application may use the same drawing to illustrate different embodiments. In other words, the same drawing of this application can be used to illustrate features of different embodiments.

[0026] like Figure 2 、 3 As shown, a wire cutter according to an embodiment of the present invention includes a shearing unit 10 and a stroke unit 20 .

[0027] The shearing unit 10 includes scissors 11 , a blade engaging block 12 , at least one first driving member 13 and a connecting member 14 .

[0028] The scissors 11 have a first blade and a second blade. The first blade includes a first cutting head 111 and a first handle 112. There is an inclination angle between the first cutting head 111 and the first handle 112. A first protrusion 1121 is provided at the tail of the first handle 112. The second blade includes a second cutting head 113 and a second handle 114. There is an inclination angle between the second cutting head 113 and the second handle 114. A second protrusion 1141 is provided at the tail of the second handle 114. The first cutting head and the second cutting head are rotatably connected to the connecting member 14 through a fixing pin 115. The blade on the first cutting head 111 is arranged opposite to the blade on the second cutting head 113.

[0029] The blade engaging block 12 is provided with two non-parallel first straight grooves 121 and second straight grooves 122 .

[0030] In the embodiment, the first straight groove 121 and the second straight groove 122 on the blade engaging block 12 are arranged in an "eight" shape, with their small ends close to the first handle 112 and the second handle 114 and their large ends away from the first handle 112 and the second handle 114.

[0031] In one embodiment, the first straight groove 121 and the second straight groove 122 are symmetrically arranged with respect to the first axis. The first axis passes through the center of the fixing pin 115 and is perpendicular to the axis of the fixing pin 115 .

[0032] The first protruding block 1121 and the second protruding block 1141 are movably disposed in the first straight groove 121 and the second straight groove 122 , respectively.

[0033] The first driving member 13 is provided on the connecting member 14 , is located on a side of the blade engaging block 12 close to the scissors 11 and is connected to the blade engaging block 12 .

[0034] The first driving member 13 is a cylinder or a servo motor, there are two of them, which are respectively arranged on the outside of the first straight slot 121 and the second straight slot 122. The movable end of the first driving member 13 is connected to the blade engaging block 12, and the piston rod is parallel to the first axis.

[0035] The blade engaging block 12 is driven to move back and forth by the first driving member 13 , and the first straight slot 121 and the second straight slot 122 drive the first handle 112 and the second handle 114 to open and close through the first protruding block 1121 and the second protruding block 1141 , thereby achieving shearing of the scissors 11 .

[0036] The stroke unit 20 includes a scissor frame 21 , at least one guide rod 22 and a guide sleeve 23 , and a second drive member 24 .

[0037] One end of the guide rod 22 is connected to the scissor frame 24, and the guide sleeve 23 is mounted on the guide rod 22. The guide sleeve 23 is movable on the guide rod 22. The guide sleeve 23 is respectively connected to the second driving member 24 and the connecting member 14. The guide rod 22 is arranged perpendicular to the scissor frame 24.

[0038] In this embodiment, there are two guide rods 22 and two guide sleeves 23. The second driving member 24 is a telescopic cylinder, the end of which is connected to the scissor frame 24 and parallel to the guide rods 22. The second driving member 24 drives the guide sleeves 23 to reciprocate on the guide rods 22, thereby achieving forward and backward movement of the scissors 11.

[0039] In one embodiment, the wire cutter further includes a height adjustment block 31 . The height adjustment block 31 is disposed at the lower portion of the scissor frame 24 and connected to the scissor frame 24 , and is used to adjust the height of the scissors 11 .

[0040] A carbon brush forming machine according to one embodiment of the utility model comprises the above-mentioned lead cutter.

[0041] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention.

[0042] Therefore, no matter from which point of view, the embodiments should be regarded as illustrative and non-restrictive, and the scope of the present invention is limited by the appended claims rather than the above description, and it is intended that all changes that fall within the meaning and scope of the equivalent elements of the claims are included in the present invention.

[0043] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, system or module that includes a series of elements includes not only those elements, but also other elements that are not explicitly listed, or elements that are inherent to such process, method, system or module. In the absence of further restrictions, an element defined by the sentence "comprises a..." does not exclude the presence of other identical elements in the process, method, system or module that includes the element.

[0044] The foregoing description is intended only to provide specific embodiments of the present invention, intended to enable those skilled in the art to understand and implement the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not intended to be limited to the embodiments shown herein, but rather to be construed in the broadest manner consistent with the principles and novel features of the present invention.

Claims

1. A wire cutter, characterized in that: include: Scissors, a blade bite block, at least one first driving member and a connecting member; The scissors include a first blade and a second blade, the first blade includes a first blade head and a first blade handle, the first blade head and the first blade handle have an inclination angle, and the tail of the first blade handle is provided with a first protrusion block, the second blade includes a second blade head and a second blade handle, the second blade head and the second blade handle have an inclination angle, and the tail of the second blade handle is provided with a second protrusion block, the first blade head and the second blade head are rotatably connected to the connecting member through a fixing pin, The first driving member is provided on the connecting member and is located on a side of the blade engaging block close to the scissors and is connected to the blade engaging block; The blade engaging block is provided with two non-parallel first straight grooves and a second straight groove, and the first protruding block and the second protruding block are movably arranged in the first straight groove and the second straight groove respectively.

2. The wire cutter according to claim 1, wherein: The first straight groove and the second straight groove on the blade engaging block are arranged in an "eight" shape, with their small ends close to the first knife handle and the second knife handle, and their large ends away from the first knife handle and the second knife handle.

3. The wire cutter according to claim 2, characterized in that The first straight groove and the second straight groove are symmetrically arranged, and an axis thereof passes through the center of the fixing pin.

4. The wire cutter according to claim 2, wherein: The cutting edge on the first cutting head is arranged opposite to the cutting edge on the second cutting head.

5. The wire cutter according to claim 2, characterized in that The first driving member is a cylinder or a servo motor, there are two of them, which are respectively arranged on the outside of the first straight slot and the second straight slot, and the movable end of the first driving member is connected to the blade engaging block.

6. The wire cutter according to claim 2, characterized in that Also includes a scissor frame, at least one guide rod, a guide sleeve and a second drive member; One end of the guide rod is connected to the scissors frame, the guide sleeve is sleeved on the guide rod, and the guide sleeve is respectively connected to the second driving member and the connecting member.

7. The wire cutter according to claim 6, characterized in that The scissors frame is arranged perpendicular to the guide rod.

8. The wire cutter according to claim 6, wherein: The second driving member is a telescopic cylinder, the end of the piston rod of which is connected to the scissors frame, and the piston rod is parallel to the guide rod.

9. The wire cutter according to claim 2, characterized in that It also includes a height adjustment block, which is arranged at the lower part of the scissors frame and connected to the scissors frame.

10. A carbon brush forming machine, characterized in that: The wire cutter comprises the wire cutter according to any one of claims 1 to 9.

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