High-speed powder forming machine

Abstract

The utility model discloses a high-speed powder forming machine which comprises a power transmission unit, an upper punching unit and a lower punching unit, the power transmission unit comprises a first transmission assembly, the first transmission assembly comprises a first transmission shaft, a first bevel gear, an upper punching eccentric wheel and a lower punching cam, and the first bevel gear, the upper punching eccentric wheel and the lower punching cam are sequentially arranged on the first transmission shaft. The upper punching unit comprises an upper cross beam, a lower cross beam and an upper punching assembly, the lower cross beam is located under the upper punching eccentric wheel, and a spring rebounding device is arranged on the lower portion of the lower cross beam. The lower punching unit comprises a lower punching frame and a lower punching assembly, the lower punching frame comprises an upper top plate, a lower top plate and a contact wheel, the upper top plate and the lower top plate are connected through a connecting rod, the contact wheel is arranged at the bottom of the lower top plate, located on the upper portion of the lower punching cam and in contact with the lower punching cam, and the lower punching assembly is located over the upper top plate.

Description

TECHNICAL FIELD

[0001] The utility model relates to carbon brush production equipment, concretely relates to a powder high -speed 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 is clamped on the metal support in various shapes, and has spring inside to press it tightly on the rotating shaft.

[0003] The main component of the carbon brush is carbon, which is easy to wear, so the motor, generator or other rotating machinery using the carbon brush should be regularly maintained and replaced, and the accumulated carbon should be cleaned. In the production process, the thickness of the carbon brush and the stamping pressure are not monitored, which can easily cause unstable product quality

[0004] The existing carbon brush and powder forming production equipment have problems of low production efficiency, low product quality and low automation degree, especially the thickness value and the stamping pressure value of the product cannot be well controlled, the quality of the output product is unstable, and it is not suitable for market demand. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing a powder high -speed forming machine to solve the problems in the prior art.

[0006] In order to solve the above problems, the utility model discloses a powder high -speed forming machine, including power transmission unit, upper punch unit, lower punch unit, power transmission unit includes first transmission assembly, first transmission assembly includes first transmission shaft and first bevel gear, upper punch eccentric wheel and lower punch cam which are sequentially arranged on the first transmission shaft, the motor is servo motor, upper punch unit includes upper beam, lower beam, upper punch assembly, lower beam is located directly below the upper punch eccentric wheel, and the lower part of the lower beam is provided with spring rebound device; Lower punch unit includes lower punch frame and lower punch assembly, and the lower punch frame includes upper top plate, lower top plate and contact wheel, the upper top plate and the lower top plate are connected through the connecting rod, the contact wheel is arranged at the bottom of the lower top plate and is located at the upper part of the lower punch cam and is in contact with the lower punch cam, and the lower punch assembly is located directly above the upper top plate.

[0007] In one embodiment, the upper punch assembly includes an upper punch shaft, the lower punch assembly includes a lower punch shaft, the upper punch shaft is located directly above the mold, the lower punch shaft is located directly below the mold, and the center lines of the upper punch shaft and the lower punch shaft are collinear.

[0008] In one embodiment, the feeding unit further comprises a feeding assembly, the feeding assembly comprises a movable block, two guide rods, a feeding box, a feeding box rail and a connecting rod, the feeding box is arranged on the feeding box rail, the two guide rods are arranged in parallel, one end is connected with the feeding box rail, and the other end is a free end, both ends of the movable block are respectively provided with through holes matched with the guide rods, a lower part is provided with a bearing matched with the cam groove of the second rotating disc, the movable block is sleeved on the two guide rods and arranged on the second rotating disc, and the movable block is connected with the feeding box through the connecting rod.

[0009] In one embodiment, the feeding unit further comprises a feeding assembly, the feeding assembly comprises a movable block, two guide rods, a feeding box, a feeding box rail and a connecting rod, the feeding box is arranged on the feeding box rail, the two guide rods are arranged in parallel, one end is connected with the feeding box rail, and the other end is a free end, both ends of the movable block are respectively provided with through holes matched with the guide rods, a lower part is provided with a bearing matched with the cam groove of the second rotating disc, the movable block is sleeved on the two guide rods and arranged on the second rotating disc, and the movable block is connected with the feeding box through the connecting rod.

[0010] In one embodiment, the height detection unit further comprises a height detection module, a fixed plate and a detection baffle, the height detection module comprises a contact rod and a sensor; one end of the fixed plate is fixedly connected with the upper punching shaft, the other end is fixedly connected with one end of the contact rod, the other end of the contact rod is a free end, and the end of the free end is provided with a telescopic slide, the sensor is arranged in the contact rod and connected with the slide, and the detection baffle is located directly below the contact rod, and part of the detection baffle is connected with the lower punching shaft.

[0011] In one embodiment, the pressure detection unit further comprises a pressure detection module arranged on the upper punching shaft.

[0012] In one embodiment, the control unit is connected with the height detection module and the pressure detection module, and comprises a display module, an alarm module and a recording module, and the control unit controls the movement of the motor.

[0013] In one embodiment, the display module comprises a display screen, which is used for displaying the product height value collected by the height detection module and the stamping pressure value collected by the pressure detection module during product processing.

[0014] In one embodiment, the recording module records and saves the height value and the stamping pressure value of each product.

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

[0016] 1. Only one motor can realize the upstroke, downstroke and feeding action at the same time, the action coordination is good, the number of motors is reduced, the equipment volume is reduced, and the production cost is reduced.

[0017] 2. The height detection function is added, the product height quality control is easier to realize, not only the product quality is improved, but also the manual detection cost is reduced.

[0018] 3. The stamping pressure detection function is added, the stamping pressure quality control is easier to realize, not only the product quality is improved, but also the manual detection cost is reduced.

[0019] 4. The pure mechanical pressing mode is adopted, all actions of the machine are realized by mechanical transmission, the work reliability is high, the failure rate is low, the maintenance is easy, and the maintenance cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced. 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 still belong to the scope of the present application.

[0021] Figure 1 It is a three-dimensional structural schematic diagram of a powder high-speed forming machine;

[0022] Figure 2 It is a side view schematic diagram of Figure 1

[0023] Figure 3 It is an A view of Figure 1

[0024] Figure 4 It is a three-dimensional schematic diagram of the internal structure of a powder high-speed forming machine;

[0025] Figure 5 It is a three-dimensional schematic diagram of the internal structure of a powder high-speed forming machine;

[0026] Figure 6 It is a three-dimensional schematic diagram of the upper structure of a powder high-speed forming machine;

[0027] Figure 7 It is a front view of Figure 6 DETAILED DESCRIPTION

[0028] ​​​The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so as to better understand the purpose, features and advantages of the present invention. It should be understood that the embodiments shown in the drawings are not intended to limit the scope of the present invention, but are only for illustrating the essential spirit of the technical solution of the present invention.

[0029] In the following description, certain specific details are set forth for the purpose of illustrating various disclosed embodiments in order to provide a thorough understanding of the various disclosed embodiments. However, those skilled in the art will recognize that embodiments may be practiced without one or more of these specific details. In other instances, well-known apparatuses, structures, and techniques associated with this application may not have been shown or described in detail to avoid unnecessarily obscuring the description of the embodiments.

[0030] Throughout this specification, references to "an embodiment" or "an embodiment" indicate that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Therefore, the appearance of "in an embodiment" or "an embodiment" in various places throughout the specification does not necessarily refer to the same embodiment. Furthermore, a particular feature, structure, or characteristic may be combined in any manner in one or more embodiments.

[0031] In the following description, in order to clearly demonstrate the structure and working method of this utility model, a number of directional terms will be used. However, terms such as "front", "back", "left", "right", "outside", "inside", "outward", "inward", "up", and "down" should be understood as convenient terms and not as limiting terms.

[0032] It should be noted that the features shown in the accompanying drawings of this application may belong to one embodiment or 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; that is, the same drawing of this application may be used to illustrate features in different embodiments.

[0033] Example

[0034] One embodiment of the present invention provides a high-speed powder molding machine, comprising a machine body, a power transmission unit, an upper punching unit, a feeding unit, a lower punching unit, a height detection unit, a pressure detection unit, and a control unit.

[0035] like Figure 1 As shown, the body includes an upper frame 11, a middle frame 12, a lower frame 13, and a cover 14.

[0036] The power transmission unit includes a motor 21 and a first transmission component.

[0037] The motor 21 is arranged on the frame, and the frame is fixedly connected with the lower frame 13. In the embodiment, the motor 21 is a servo motor.

[0038] As shown in Figure 2 , Figure 3 , Figure 4 shown, the first transmission assembly includes a first transmission shaft 221, a first bevel gear 222, an upper punch eccentric wheel 223, and a lower punch cam 224. The first transmission shaft 221 is arranged in the lower frame 13 and is parallel to the rotating shaft of the motor 21. The first bevel gear 222, the upper punch eccentric wheel 223, and the lower punch cam 224 are sequentially arranged on the first transmission shaft 221. The motor 21 drives the first transmission shaft 221 to rotate. A belt or a chain can be used for transmission. When a belt is used for transmission, a small pulley is arranged on the shaft of the motor 21, and a large pulley is arranged on the first transmission shaft 221. When a chain is used for transmission, a small sprocket is arranged on the shaft of the motor 21, and a large sprocket is arranged on the first transmission shaft 221. (The belt or chain and the transmission wheels are not shown in the figure.)

[0039] As shown in Figure 3 shown, the upper punch unit includes an upper cross beam 31, a lower cross beam 32, two rods 33, and an upper punch assembly. The upper cross beam 31 and the lower cross beam 32 are arranged in parallel and are connected by the two rods 33. One end of each of the two rods 33 is fixedly connected with two ends of the upper cross beam 31, and the other end of each of the two rods 33 is fixedly connected with two ends of the lower cross beam 32. The upper cross beam 31 is located at the upper portion of the upper frame 11, and the lower cross beam 32 is located in the lower frame 13 and directly below the upper punch eccentric wheel 223. A spring rebound device is arranged between the bottom of the lower cross beam 32 and the frame shell. The upper punch assembly includes an upper punch head 341 and an upper punch shaft 342. One end of the upper punch shaft 342 is connected with the middle portion of the upper cross beam 31, and the upper punch head 341 is arranged at the other end of the upper punch shaft 342. A mold is arranged on the upper frame 11 and directly below the upper punch head 341. During operation, when the upper punch eccentric wheel 223 rotates to contact the lower cross beam 32 and press the lower cross beam 32 downward, the upper cross beam 31 and the lower cross beam 32 move downward together, thereby driving the upper punch head 341 to press downward. When the upper punch eccentric wheel 223 rotates to leave the lower cross beam 32, the spring rebound device lifts the lower cross beam 32 upward, thereby moving the upper punch head 341 upward.

[0040] The feeding unit comprises a second transmission assembly and a feeding assembly. The second transmission assembly comprises a second transmission shaft 411, a second bevel gear 412 and a second rotating disc 413. The second transmission shaft 411 is arranged perpendicularly to the first transmission shaft 221. One end of the second transmission shaft 411 is provided with the second bevel gear 412, which is engaged with the first bevel gear 222. The other end of the second transmission shaft 411 is provided with the second rotating disc 413. The top surface of the second rotating disc 413 is provided with a cam groove. The motor 21 drives the first bevel gear 222 on the first transmission shaft 221 to rotate, which in turn drives the second bevel gear 412 to rotate, and then drives the second rotating disc 413 to rotate through the second transmission shaft 411.

[0041] As shown in Figure 5 , the feeding assembly comprises a movable block 421, two guide rods 422, a feeding box 423, a feeding box rail 424 and a connecting rod. The feeding box rail 424 is arranged on the upper frame 11. The feeding box 423 is arranged on the feeding box rail 424. The two guide rods 422 are arranged in parallel, one end of which is connected with the feeding box rail 424, and the other end is a free end. The two ends of the movable block 421 are respectively provided with through holes matched with the guide rods 422. The lower part is provided with a bearing matched with the cam groove of the second rotating disc 413. The movable block 421 is sleeved on the two guide rods 422 and arranged on the second rotating disc 413. The movable block 421 is connected with the feeding box 423 through the connecting rod. The second rotating disc 413 drives the movable block 421 to move on the guide rods 422, and drives the feeding box 423 to move through the connecting rod.

[0042] As shown in Figure 3 , Figure 4 , the lower punching unit comprises a lower punching frame and a lower punching assembly 52. The lower punching frame comprises an upper top plate 511, a lower top plate 512 and a contact wheel 513. The upper top plate 511 and the lower top plate 512 are connected by a connecting rod. The contact wheel 513 is arranged at the bottom of the lower top plate 512 and located at the upper part of the lower punching cam 224, and is in contact with the lower punching cam 224. The lower punching assembly 52 is movably arranged in the upper frame 11 and comprises a lower punch 521 and a lower punch shaft 522. One end of the lower punch shaft 522 is provided with the lower punch 521, and the other end is located directly above the upper top plate 511. The upper punch shaft 342 and the center line of the lower punch shaft 522 are collinear. When the lower punching cam 224 rotates to contact the contact wheel 513 to lift the lower top plate 512, the upper top plate 511 moves upward and drives the lower punch shaft 522 to move upward. When the lower punching cam 224 rotates to lower the lower top plate 512, the upper top plate 511 moves downward to leave the lower punch shaft 522, and the lower punch shaft 522 moves downward.

[0043] As shown in Figure 6 , Figure 7As shown, the height detection unit comprises a height detection module, a fixed plate 62 and a detection baffle 63, the height detection module comprises a contact rod 611 and a sensor 612. One end of the fixed plate 62 is fixedly connected with the upper punching shaft 342 in the upper punching unit 30, the other end is fixedly connected with the end of one end of the contact rod 611, the other end of the contact rod 611 is a free end, the end of the free end is provided with a telescopic slide, the sensor 612 is arranged in the contact rod 611 and connected with the slide and the control unit respectively, the detection baffle 63 is located directly below the contact rod 611, a part of the detection baffle 63 is connected with the lower punching shaft 522, and the control unit can measure the height of the product according to the moving distance of the slide 613 after contacting the detection baffle 63.

[0044] In one embodiment, the slide is a ball bead.

[0045] In one embodiment, the model of the height detection module is FS50-10MM-A2, and the manufacturer is Shenzhen Milantech Co., Ltd.

[0046] The pressure detection unit comprises a pressure detection module 71, which is arranged on the upper punching shaft 342 in the upper punching unit and connected with the control unit.

[0047] In one embodiment, the model of the pressure detection module 71 is ZMZTD-5T, and the manufacturer is Anhui Zhi Min Electrical Technology Co., Ltd.

[0048] The control unit comprises a display module, an alarm module, a recording module and the like, and the control unit controls the movement of the motor 21.

[0049] The display module comprises a display screen 81 arranged on the side of the upper frame 11, which is used to display the product height value collected by the height detection unit and the stamping pressure value collected by the pressure detection unit when the product is processed.

[0050] When the product height value and / or the stamping pressure value exceeds the set range, the alarm module will issue a prompt alarm sound.

[0051] The recording module is responsible for recording the product height value and the stamping pressure value of each product processed on the product line, and saving for subsequent review.

[0052] 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 realized in other specific forms without departing from the spirit or essential characteristics of the present application.

[0053] Thus, the embodiments can be regarded, from any point of view, as being merely exemplary and non-limiting, the scope of the present application being defined by the appended claims and not by the above description, so that all the changes falling within the meaning and the scope of the equivalent elements of the claims are intended to be comprised in the present application.

[0054] It is to be noted that, in the present text, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another, without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system or a module that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, system or module. Without further limitations, an element defined by the statement "comprising a" does not exclude the existence of additional identical elements in the process, method, system or module that comprises the stated element.

[0055] The above description is merely one specific implementation of the present application, enabling a person skilled in the art to understand or implement the present application. Numerous modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Thus, the present application is not to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A high-speed powder molding machine, characterized in that, Includes a power transmission unit, an upper punch unit, and a lower punch unit; The power transmission unit includes a motor and a first transmission assembly. The first transmission assembly includes a first transmission shaft and a first bevel gear, an upper eccentric wheel, and a lower cam sequentially arranged on the first transmission shaft. The motor is a servo motor. The upper punch unit includes an upper crossbeam, a lower crossbeam, two connecting rods, and an upper punch assembly. The upper crossbeam and the lower crossbeam are arranged parallel to each other and are connected by the two connecting rods respectively. The upper punch assembly is arranged on the upper crossbeam. The lower crossbeam is located directly below the upper punch eccentric wheel. The lower part of the lower crossbeam is provided with a spring return device. The lower punch unit includes a lower punch frame and a lower punch assembly. The lower punch frame includes an upper top plate, a lower top plate, and a contact wheel. The upper top plate and the lower top plate are connected by a connecting rod. The contact wheel is located at the bottom of the lower top plate and above the lower punch cam, and contacts the lower punch cam. The lower punch assembly is located directly above the upper top plate.

2. The high-speed powder molding machine according to claim 1, characterized in that, The upper punch assembly includes an upper punch shaft, and the lower punch assembly includes a lower punch shaft. The upper punch shaft is located directly above the mold, and the lower punch shaft is located directly below the mold. The center lines of the upper punch shaft and the lower punch shaft are collinear.

3. The high-speed powder molding machine according to claim 2, characterized in that, It also includes a feeding unit, which includes a second transmission assembly. The second transmission assembly includes a second transmission shaft, a second bevel gear, and a second turntable. The second transmission shaft is arranged perpendicular to the first transmission shaft. The second bevel gear is arranged at one end of the second transmission shaft and meshes with the first bevel gear. The second turntable is arranged at the other end of the second transmission shaft. A cam groove is provided on the top surface of the second turntable.

4. The powder high-speed molding machine according to claim 3 or the present invention, characterized in that, The feeding unit further includes a feeding assembly, which includes a movable block, two guide rods, a feeding box, a feeding box rail, and a connecting rod. The feeding box is disposed on the feeding box rail. The two guide rods are arranged in parallel, with one end connected to the feeding box rail and the other end being a free end. The movable block has through holes at both ends that match the guide rods, and a bearing at the bottom that matches the cam groove of the second turntable. The movable block is fitted onto the two guide rods and disposed on the second turntable. The movable block is connected to the feeding box through the connecting rod.

5. The high-speed powder molding machine according to claim 2, characterized in that, It also includes a height detection unit, which comprises a height detection module, a fixing plate, and a detection baffle. The height detection module includes a contact rod and a sensor. One end of the fixing plate is fixedly connected to the upper punch shaft, and the other end is fixedly connected to one end of the contact rod. The other end of the contact rod is a free end, and the end of the free end is provided with a telescopic sliding member. The sensor is disposed inside the contact rod and connected to the sliding member. A portion of the detection baffle is connected to the lower punch shaft and is located directly below the contact rod.

6. The high-speed powder molding machine according to claim 5, characterized in that, It also includes a pressure detection unit, which includes a pressure detection module, and the pressure detection module is disposed on the upper punch shaft.

7. The high-speed powder molding machine according to claim 6, characterized in that, It also includes a control unit, which is connected to the height detection module and the pressure detection module respectively, and includes a display module, an alarm module and a recording module. The control unit controls the movement of the motor.

8. The high-speed powder molding machine according to claim 7, characterized in that, The display module includes a display screen for displaying the product height value collected by the height detection module and the stamping pressure value collected by the pressure detection module during product processing.

9. The high-speed powder molding machine according to claim 7, characterized in that, The recording module records and saves the height and stamping pressure values ​​of each processed product.

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