Carbon brush forming machine

Abstract

The utility model discloses a carbon brush forming machine, which comprises a mould pressing unit, a feeding unit and a shielding unit, the mould pressing unit comprises a mould and a mould fixing seat, and the mould is positioned in the mould fixing seat; the feeding unit comprises a feeding box and a feeding box rail, the feeding box rail is arranged on the mold fixing base and close to the mold, the feeding box is movably arranged on the feeding box rail and used for feeding powder to be machined into the mold, the shielding unit comprises a shielding part, and the shielding part is arranged beside the feeding unit and the mold pressing unit and used for shielding the powder to be machined. And the feeding box and the mold are all shielded by the shielding piece and are isolated from the outside.

Description

TECHNICAL FIELD

[0001] The utility model relates to the carbon brush production field, concretely relates to a carbon brush forming machine. BACKGROUND

[0002] The carbon brush is the device that energy or signal is transmitted between fixed part and rotating part of motor, generator or other rotating machinery. It is generally made of pure carbon plus solidifying agent, and has various shapes, is clamped on the metal support, and has spring inside to press it on the rotating shaft.

[0003] The existing carbon brush forming machine is backward in safety protection aspect, generally only some important transmission parts are wrapped with iron shell, and the die pressing working area is still open, so there are still loopholes in dust protection, and the open working area can cause dust flying in the work, which not only pollutes the environment, but also damages the health of operators. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a novel carbon brush forming machine to solve the problems in the prior art.

[0005] In order to solve the above problems, one aspect of the utility model provides a carbon brush forming machine, which comprises a die pressing unit, a feeding unit and a shielding unit, the die pressing unit comprises a die and a die fixing seat, and the die is located in the die fixing seat; the feeding unit comprises a feeding box and a feeding box rail, the feeding box rail is arranged on the die fixing seat and close to the die, the feeding box is movably arranged on the feeding box rail and used for feeding powder to be processed into the die, the shielding unit comprises a shielding piece, the shielding piece is arranged beside the feeding unit and the die pressing unit, and at least a part of the feeding box and the die is shielded by the shielding piece and isolated from the outside.

[0006] In one embodiment, the die pressing unit further comprises an upper punch and a lower punch, the upper punch is located directly above the die, and the lower punch is located directly below the die.

[0007] In one embodiment, the feeding unit further comprises a driving piece, a swing arm and a connecting rod part, one end of the driving piece is connected with the swing arm, one end of the connecting rod part is connected with the feeding box, and the other end is connected with the swing arm.

[0008] In one embodiment, the feeding unit further comprises a cam and a bearing, the bearing is arranged between the cam and the swing arm and in contact with the cam and the swing arm.

[0009] In one embodiment, the driving piece is a gas cylinder or a servo motor.

[0010] In one embodiment, the shielding unit comprises a working cavity with an opening, the feeding box and the mold are arranged in the working cavity, and the shielding member is arranged at the opening to shield the opening wholly or partially.

[0011] In one embodiment, the shielding member is a movable hard plate, and preferably, a visual window of transparent material is arranged on the shielding member.

[0012] In one embodiment, the shielding member is arranged in the opening of the closed cavity in a translational manner, or the shielding member is arranged in the opening of the closed cavity in an opening and closing manner.

[0013] In one embodiment, the shielding member is connected with the feeding box and moves synchronously with the feeding box, and the shielding member is a telescopic member or a flexible curtain.

[0014] In one embodiment, the shielding unit comprises a plurality of dustproof isolation walls arranged in the machine body.

[0015] The advantages and beneficial effects of the present application include at least one of the following:

[0016] 1. The problem of dust flying and environmental pollution of the carbon brush forming machine is solved, and the health of the operator is ensured.

[0017] 2. The appearance design considers humanization and operability, so that each operation control key is clear at a glance, and the operation is easy and has a whole aesthetic feeling.

[0018] 3. A plurality of dustproof isolation walls are arranged in the interior, a plurality of sealing doors are adopted, a perspective window is arranged on the key motion mechanism, and the operator can conveniently patrol and observe. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the embodiment or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings obtained according to these drawings without creative labor are still within the scope of the present application.

[0020] Figure 1 A schematic view of the carbon brush forming machine in one embodiment of the present application is shown;

[0021] Figure 2 A schematic view of the mold pressing unit in one embodiment of the present application is shown;

[0022] Figure 3 A schematic view of the feeding unit in one embodiment of the present application is shown. DETAILED DESCRIPTION

[0023] The preferred embodiments of the present application will be described in detail below with reference to the drawings, so that the purpose, characteristics and advantages of the present application can be more clearly understood. It should be understood that the embodiments shown in the drawings are not a limitation on the scope of the present application, but only to illustrate the essential spirit of the technical scheme of the present application.

[0024] In the following description, for the purpose of illustrating various disclosed embodiments, specific details are set forth in order to provide a thorough understanding of various disclosed embodiments. However, it will be recognized by one of ordinary skill that the embodiments can be practiced without one or more of the specific details, or with other methods, components, materials, and so forth. In other instances, well-known devices, structures and techniques have not been shown or described in order to avoid unnecessarily obscuring the description of the embodiments.

[0025] 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 the phrase "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 can be combined in any suitable manner in one or more embodiments.

[0026] In the following description, in order to clearly show the structure and working mode of the present application, many directional words will be used for description, but the words of "front", "back", "left", "right", "outer", "inner", "outward", "inward", "up", "down" and the like should be understood as convenient language, and should not be understood as limiting words.

[0027] It should be noted that the features shown in the drawings of the present application can belong to one embodiment or different embodiments, as long as there is no mutual conflict between these features. In order to save space, the same drawing of the present application can be used to explain different embodiments, that is, the same drawing of the present application can be used to embody the features in different embodiments.

[0028] As Figure 1 shown, the carbon brush forming machine of one embodiment of the present application comprises a machine body 10, a mold pressing unit 20, a feeding unit 30, a shielding unit and a control unit.

[0029] The mould pressing unit 20 and the feeding unit 30 are located in the machine body 10, the machine body 10 is provided with a feeding port 11 at the upper part and a product outlet 12 at the lower part, the materials needed for producing the carbon brush blank enter the feeding unit 30 from the feeding port 11, and the processed products are discharged from the product outlet 12 after being fed by the feeding unit 30. The materials needed for producing the carbon brush blank generally include carbon powder added with coagulant, mixed powder of carbon powder and copper powder, graphite, magnetic material, and other auxiliary materials.

[0030] As shown in Figure 2 , the mould pressing unit 20 includes an upper punch shaft 21, an upper punch 22, a mould 23, a mould fixing seat 24, a lower punch 25 and a lower punch fixing sliding block 26.

[0031] The upper punch 22 is arranged on the upper punch shaft 21, the lower punch 25 is arranged on the lower punch fixing sliding block 26, and the mould 23 is located in the mould fixing seat 24; the upper punch 21 is located directly above the mould 23, and the lower punch 25 is located directly below the mould 23. The control unit controls the movement of the upper punch 22 and the lower punch 25.

[0032] As shown in Figure 3 , the feeding unit 30 includes a feeding box 31, a feeding box rail 32, a connecting rod component 33, a driving member 34, a swing arm 35, a bearing 36 and a driving cam 37. The driving member 34 is a pneumatic cylinder or a servo motor. The control unit controls the movement of the driving member 34.

[0033] In the embodiment, the driving member 34 is a reset pneumatic cylinder.

[0034] The feeding box rail 32 is arranged on the mould fixing seat 24 and close to the mould 23, the feeding box 31 is movably arranged on the feeding box rail 32 and used for feeding the powder to be processed into the mould 23, one end of the connecting rod component 33 is connected with the feeding box 32, and the other end is connected with the swing arm 35, the bearing 36 is arranged between the driving cam 37 and the swing arm 35 and in contact with the driving cam 37 and the swing arm 35, the rotation of the driving cam 37 and the reset pneumatic cylinder cooperate to drive the feeding box 31 to move linearly on the feeding box rail 32 through the connecting rod component 33.

[0035] The shielding unit includes a shielding member, the shielding member is arranged beside the feeding unit 30 and the mould pressing unit 20, and at least part of the feeding box 31 and the mould 23 is shielded by the shielding member and isolated from the outside.

[0036] In one embodiment, the shielding unit includes a working cavity with an opening, the feeding box 31 and the mould 23 are arranged in the working cavity, and the shielding member is arranged at the opening to prevent the dust in the working cavity from flying out. The shielding member shields the whole opening.

[0037] In one embodiment, the shielding member shields part of the opening.

[0038] In one embodiment, the working cavity is a closed cavity.

[0039] In one embodiment, the shielding member is a movable hard plate. The shielding member in the embodiment shields all the openings, and a visual window 41 made of transparent material is arranged on the shielding member.

[0040] In one embodiment, the shielding member is arranged in the opening of the closed cavity in a translational manner, and can be a left-right movable sliding door.

[0041] In one embodiment, the shielding member is arranged in the opening of the closed cavity in an opening and closing manner, and can be an outwardly opening door or window.

[0042] In one embodiment, the shielding member is connected with the feeding box and moves together with the feeding box, wherein the shielding member can be a retractable member or a flexible curtain.

[0043] In one embodiment, the shielding unit includes a plurality of dustproof isolation walls arranged inside the machine body to separate different components or modules, so that dust is not easy to invade other components, further improving the service life of the machine tool.

[0044] In one embodiment, the carbon brush forming machine further comprises a suction unit, the suction unit comprising a dust collector that sucks and processes the dust in the working cavity, which is more environmentally friendly.

[0045] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application.

[0046] Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application.

[0047] It is to be noted that, in the present document, relational terms such as "first" and "second", and the like can be used solely to distinguish one entity or action from another entity or action, without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, or article of manufacture that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, system, or article of manufacture. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, system, or article of manufacture that comprises the element.

[0048] The foregoing is merely illustrative of the principles of the application and various modifications can be made by persons skilled in the art without departing from the scope and nature of the teachings herein. Accordingly, while the application is presented in connection with one embodiment, it will be understood clearly that changes in form and detail that do not depart from the spirit and scope of the application are contemplated. Therefore, the disclosed application should not be limited to any of the embodiments described herein, but should be given the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A carbon brush forming machine, characterized in that, Including molding unit, feeding unit and shielding unit, The molding unit includes a mold and a mold fixing seat, and the mold is located in the mold fixing seat; The feeding unit includes a feeding box and a feeding box rail, the feeding box rail is arranged on the mold fixing seat and close to the mold, the feeding box is movably arranged on the feeding box rail, and is used to feed the powder to be processed into the mold, the shielding unit includes a shielding member, and the shielding member is arranged next to the feeding unit and the molding unit. At least a portion of the feeding box and the mold is shielded by the shielding member and isolated from the outside.

2. The carbon brush forming machine according to claim 1, characterized in that: The molding unit further comprises an upper punch and a lower punch, wherein the upper punch is located directly above the mold, and the lower punch is located directly below the mold.

3. The carbon brush forming machine according to claim 2, characterized in that: The feeding unit further includes a driving member, a swing arm and a connecting rod member, wherein the driving member is connected to one end of the swing arm, one end of the connecting rod member is connected to the feeding box, and the other end is connected to the swing arm.

4. The carbon brush forming machine according to claim 3, characterized in that: The feeding unit further includes a cam and a bearing, wherein the bearing is disposed between the cam and the swing arm and contacts the cam and the swing arm.

5. The carbon brush forming machine according to claim 3, characterized in that: The driving member is a cylinder or a servo motor.

6. The carbon brush forming machine according to claim 1, characterized in that: The feeding box and the mold are arranged in a working cavity with an opening, and the shielding member is arranged at the opening and fully or partially shields the opening.

7. The carbon brush forming machine according to claim 6, characterized in that: The shielding member is a movable hard plate and is provided with a viewing window made of transparent material.

8. The carbon brush forming machine according to claim 6 or 7, characterized in that: The working chamber is a closed chamber, and the shielding member is arranged at the opening of the closed chamber, or the shielding member is arranged at the opening of the closed chamber in an openable and closable manner.

9. The carbon brush forming machine according to claim 6, characterized in that: The shielding member is connected to the feeding box and moves together with the feeding box, wherein the shielding member is a retractable component or a flexible curtain.

10. The carbon brush forming machine according to claim 1, characterized in that: The shielding unit includes a multi-layer dustproof isolation wall, and the dustproof isolation wall is arranged inside the machine body.

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