Punching machine driven by servo motor

Abstract

The utility model relates to a punching machine driven by a servo motor, which comprises a machine body, the servo motor, a first synchronous wheel, a second synchronous wheel, a synchronous belt, a screw rod and a lifting pressure head, one end of the lead screw penetrates through the machine body, the lead screw is fixedly installed on the machine body, and the lead screw rotates relative to the machine body. One end of the screw rod penetrates through the machine body and is fixedly mounted together with the second synchronizing wheel; the other end of the screw rod is in threaded connection with the lifting pressure head; the first synchronous wheel and the second synchronous wheel are connected together through the synchronous belt; the servo motor drives the second synchronizing wheel to rotate and the screw rod synchronously rotates at the same time, so that the lifting pressure head is driven to lift; the machine body is provided with a mounting inner cavity, and the servo motor is mounted in the mounting inner cavity.

Description

Technical Field

[0001] The utility model relates to the field of stamping equipment, in particular to a stamping machine driven by a servo motor. Background Art

[0002] Stamping equipment is a very common type of equipment. In the existing stamping machines, there is a downward pressing motor, which is connected to a lead screw through a speed reducer and a coupling. The rotation of the downward pressing motor drives the speed reducer, the speed reducer outputs torque to drive the lead screw to rotate, and then the lead screw drives the lifting and pressing head to move up and down. However, this method has a complex structure, high cost, and high maintenance difficulty coefficient. The downward pressing motors in the existing stamping machines are all installed outside the machine body, resulting in a large and unattractive body shape of the existing stamping machines. The anti-rotation mechanisms on the lifting and pressing heads of the existing stamping machines all adopt pin anti-rotation mechanisms, which have large friction and are prone to wear. Summary of the Invention

[0003] The purpose of the utility model is to solve the deficiencies existing in the prior art and provide a stamping machine driven by a servo motor.

[0004] To achieve the above purpose, the utility model adopts the following technical solutions: A stamping machine driven by a servo motor includes a machine body, a servo motor, a first synchronous pulley, a second synchronous pulley, a synchronous belt, a lead screw, and a lifting and pressing head. Among them, the servo motor has a rotating shaft, the first synchronous pulley is fixedly installed together with the rotating shaft, one end of the lead screw passes through the machine body and is fixedly installed on the machine body, and the lead screw rotates relative to the machine body; one end of the lead screw passes through the machine body and is fixedly installed together with the second synchronous pulley; the other end of the lead screw is threadedly connected to the lifting and pressing head; the first synchronous pulley and the second synchronous pulley are connected together by the synchronous belt; when the servo motor drives the second synchronous pulley to rotate, the lead screw rotates synchronously, thereby driving the lifting and pressing head to move up and down; the machine body has an installation inner cavity, and the servo motor is installed in the installation inner cavity.

[0005] Furthermore, it further includes a bearing, the bearing is fixedly embedded in the machine body, one end of the lead screw extends into and out of the bearing, the lead screw is fixedly installed together with the bearing, and one end of the lead screw extends out of the bearing and is fixedly installed with the second synchronous pulley, so that the second synchronous pulley drives the lead screw to rotate relative to the machine body.

[0006] Further, it further includes a sliding track, a slider, and a fixed connecting plate. The sliding track is fixedly installed on the machine body; the slider is slidably connected to the sliding track. On the one hand, the fixed connecting plate is fixedly connected to the slider, and on the other hand, the fixed connecting plate is fixedly connected to the lifting and pressing head, so that when the lifting and pressing head moves up and down, it drives the slider to slide on the sliding track.

[0007] Further, it further includes a pressure sensor. The pressure sensor is arranged on the lifting and pressing head, and the pressure sensor is used to measure the downward pressure of the lifting and pressing head.

[0008] Further, it further includes a control unit. The control unit is electrically connected to the pressure sensor. The pressure sensor transmits the measured downward pressure value of the lifting and pressing head to the control unit, and the control unit compares this downward pressure value with the upper and lower limit values stored in the control unit.

[0009] Further, it further includes a home sensor. The home sensor is installed on the machine body and the home sensor is close to the lifting and pressing head.

[0010] Further, it further includes a magnetic scale. The magnetic scale is fixedly installed on the fixed connecting plate, and the magnetic scale moves up and down synchronously with the fixed connecting plate.

[0011] Further, it further includes a reading head. The reading head is installed on the magnetic scale, and the reading head is used to measure the downward position of the lifting and pressing head.

[0012] Further, the reading head is electrically connected to the control unit. The reading head transmits the measured downward position value of the lifting and pressing head to the control unit, and the control unit compares this downward position value with the upper and lower limit values stored in the control unit.

[0013] Further, the lifting and pressing head has a pressing head portion, and the pressing head portion is used to stamp the product into shape.

[0014] The beneficial effects of this application are as follows: This application provides a stamping machine driven by a servo motor. In view of the servo motor driving the first synchronous pulley, the second synchronous pulley and the lead screw to rotate, and the lead screw driving the lifting and pressing head to move up and down, the structure of this stamping machine is stable, the cost is low, it is easy to maintain, and the lifting stability is strong; in addition, in view of the fact that the servo motor of this stamping machine is hidden in the inner cavity of the machine body, the size of this stamping machine is small and the appearance is more beautiful. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic structural diagram of a stamping machine driven by a servo motor provided by the present utility model.

[0016] Figure 2 Another structural schematic diagram of a punching machine driven by a servo motor provided by the present utility model. Specific embodiments

[0017] The present application will be further described in detail below in conjunction with the accompanying drawings through specific embodiments. Similar elements in different embodiments are labeled with related similar element numbers. In the following embodiments, many details are described to enable a better understanding of the present application. However, those skilled in the art can easily recognize that some of the features can be omitted in different situations, or can be replaced by other elements, materials, or methods. In some cases, some operations related to the present application are not shown or described in the specification to avoid submerging the core part of the present application in excessive descriptions. For those skilled in the art, it is not necessary to describe these related operations in detail, and they can fully understand the related operations based on the description in the specification and general technical knowledge in the art.

[0018] In addition, the features, operations, or characteristics described in the specification can be combined in any appropriate manner to form various embodiments, and the operation steps involved in each embodiment can also be reordered or adjusted in an obvious manner by those skilled in the art. Therefore, the specification and the drawings are only for clearly describing a certain embodiment and do not mean to be the necessary composition and / or sequence.

[0019] The serial numbers assigned to the components herein, such as "first", "second", etc., are only used to distinguish the described objects and do not have any sequential or technical meaning. And the "connection" and "coupling" mentioned in the present application, unless otherwise specified, both include direct and indirect connection (coupling).

[0020] Please refer to Figure 1-2 , the present application provides a punching machine driven by a servo motor (hereinafter referred to as the punching machine), which includes a machine body 1, a servo motor 2, a first synchronous pulley 3, a second synchronous pulley 4, a synchronous belt 5, a lead screw 7, and a lifting punch head 8. Among them, the servo motor 2 has a rotating shaft 20, the first synchronous pulley 3 and the rotating shaft 20 are fixedly installed together, one end of the lead screw 7 passes through the machine body 1 and the lead screw 7 is fixedly installed on the machine body 1, and the lead screw 7 rotates relative to the machine body 1; one end of the lead screw 1 passes through the machine body 1 and is fixedly installed together with the second synchronous pulley 4; the other end of the lead screw 1 is threadedly connected to the lifting punch head 8; the first synchronous pulley 3 and the second synchronous pulley 4 are connected together by the synchronous belt 5; when the servo motor 2 drives the second synchronous pulley 4 to rotate, the lead screw 7 rotates synchronously, thereby driving the lifting punch head 8 to lift and lower; the machine body 1 has an installation inner cavity 100, and the servo motor 1 is installed in the installation inner cavity 100.

[0021] In one embodiment of the present application, the stamping machine further includes a bearing 6, the bearing 6 is fixedly embedded in the fuselage 1, one end of the lead screw 7 extends into and out of the bearing 6, the lead screw 7 and the bearing 6 are fixedly installed together, and one end of the lead screw 7 extends out of the bearing 6 and is fixedly installed with the second synchronous pulley 4, so that the second synchronous pulley 4 drives the lead screw 7 to rotate relative to the fuselage 1.

[0022] In one embodiment of the present application, the stamping machine further includes a sliding track 11, a slider 12, and a fixed connecting plate 13. The sliding track 11 is fixedly installed on the fuselage 1; the slider 12 is slidably connected to the sliding track 11. On the one hand, the fixed connecting plate 13 is fixedly connected to the slider 12, and on the other hand, the fixed connecting plate 13 is fixedly connected to the lifting and pressing head 8, so that when the lifting and pressing head 8 moves up and down, it drives the slider 12 to slide on the sliding track 11. The fixed connecting plate 13, the slider 12, and the sliding track 11 prevent the lifting and pressing head 8 from rotating.

[0023] In one embodiment of the present application, the stamping machine further includes a pressure sensor 9. The pressure sensor 9 is arranged on the lifting and pressing head 8, and the pressure sensor 9 is used to measure the downward pressure of the lifting and pressing head 8.

[0024] In one embodiment of the present application, the stamping force further includes a control unit. The control unit is electrically connected to the pressure sensor 9. The pressure sensor 9 transmits the measured downward pressure value of the lifting and pressing head 8 to the control unit, and the control unit compares the downward pressure value with the upper and lower limit values stored in the control unit.

[0025] In one embodiment of the present application, the stamping machine further includes a home position sensor 10. The home position sensor 10 is installed on the fuselage 1 and the home position sensor 10 is close to the lifting and pressing head 8.

[0026] In one embodiment of the present application, the stamping machine further includes a magnetic scale 14. The magnetic scale 14 is fixedly installed on the fixed connecting plate 13, and the magnetic scale 14 moves up and down synchronously with the fixed connecting plate 13.

[0027] In one embodiment of the present application, the stamping machine further includes a reading head 15. The reading head 15 is installed on the magnetic scale 14, and the reading head 15 is used to measure the downward position of the lifting and pressing head 8.

[0028] In an embodiment of the present application, the reading head 15 is electrically connected to the control unit. The reading head 15 transmits the measured downward position value of the lifting and pressing head 8 to the control unit, and the control unit compares the downward position value with the upper and lower limit values stored in the control unit.

[0029] In an embodiment of the present application, the lifting and pressing head 8 has a head portion 80, and the head portion 80 is used for stamping the product into shape.

[0030] The present application provides a punching machine driven by a servo motor. In view of the fact that the servo motor drives the first synchronous pulley, the second synchronous pulley and the lead screw to rotate, and the lead screw drives the lifting and pressing head to lift and lower, the punching machine has a stable structure, low cost, easy maintenance, and strong lifting stability. In addition, in view of the fact that the servo motor of the punching machine is hidden in the inner cavity of the fuselage, the punching machine has a small size and a more beautiful appearance.

[0031] The above embodiments are only for illustrating the technical concept and characteristics of the present invention, and the purpose is to enable those skilled in the art to understand the content of the present invention and implement it accordingly. It is not intended to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. A servo motor driven punching machine, characterized in that: It includes a fuselage, a servo motor, a first synchronous wheel, a second synchronous wheel, a synchronous belt, a screw, and a lifting and lowering pressure head, wherein the servo motor has a rotating shaft, the first synchronous wheel and the rotating shaft are fixedly installed together, one end of the screw passes through the fuselage and is fixedly installed on the fuselage, and the screw rotates relative to the fuselage; one end of the screw passes through the fuselage and is fixedly installed on the second synchronous wheel; the other end of the screw is threadedly connected to the lifting and lowering pressure head; the first synchronous wheel and the second synchronous wheel are connected together by the synchronous belt; the servo motor drives the second synchronous wheel to rotate while the screw rotates synchronously, thereby driving the lifting and lowering pressure head to rise and fall; the fuselage has an installation inner cavity, and the servo motor is installed in the installation inner cavity.

2. The servo motor driven punching machine according to claim 1, characterized in that: It also includes a bearing, which is fixedly embedded in the fuselage, one end of the screw rod extends into and out of the bearing, the screw rod and the bearing are fixedly installed together, one end of the screw rod extends out of the bearing and is fixedly installed with the second synchronous wheel, so that the second synchronous wheel drives the screw rod to rotate relative to the fuselage.

3. The servo motor driven punching machine according to claim 2, characterized in that: It also includes a sliding rail, a slider, and a fixed connecting plate, wherein the sliding rail is fixedly mounted on the fuselage; the slider is slidably connected to the sliding rail, and the fixed connecting plate is fixedly connected to the slider on one hand, and fixedly connected to the lifting pressure head on the other hand, so that the lifting pressure head drives the slider to slide on the sliding rail when it is raised or lowered.

4. The servo motor driven punching machine according to claim 3, characterized in that: It also includes a pressure sensor, which is arranged on the lifting pressure head and is used to measure the downward pressure of the lifting pressure head.

5. The servo motor driven punching machine according to claim 4, characterized in that: It also includes a control unit, which is electrically connected to the pressure sensor. The pressure sensor transmits the measured downward pressure value of the lifting pressure head to the control unit, and the control unit compares the downward pressure value with the upper and lower limit values ​​stored in the control unit.

6. The servo motor driven punching machine according to claim 5, characterized in that: It also includes an origin sensor, which is installed on the fuselage and close to the lifting and lowering pressure head.

7. The servo motor driven punching machine according to claim 6, characterized in that: It also includes a magnetic grid, which is fixedly mounted on the fixed connecting plate, and the magnetic grid rises and falls synchronously with the fixed connecting plate.

8. The servo motor driven punching machine according to claim 7, characterized in that: It also includes a reading head, which is installed on the magnetic grid and is used to measure the downward pressing position of the lifting and lowering pressure head.

9. The servo motor driven punching machine according to claim 8, characterized in that: The reading head is electrically connected to the control unit. The reading head transmits the measured downward position value of the lifting and lowering pressure head to the control unit. The control unit compares the downward position value with the upper and lower limit values ​​stored in the control unit.

10. The servo motor driven punching machine according to claim 9, characterized in that: The lifting pressure head has a pressure head head, and the pressure head head is used for punching products into shape.

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