Door stopper, processing equipment and method

Abstract

The present invention relates to the field of automobile technology, and in particular to a vehicle door stopper, processing equipment and method, comprising a workbench, and also comprising guide rails, a movable table, a clamping plate, a push plate, a pressing mechanism, a support frame, a driving mechanism and a processing axis. The clamping plate slides longitudinally on the movable table so that the two clamping plates can move relative to or away from each other, so that the vehicle door stopper can be clamped and fixed between the two clamping plates. The movable table slides transversely on the guide rail to drive the vehicle door stopper to move transversely on the workbench, so that the vehicle door stopper can be moved to the pressing mechanism for pressing, and then the vehicle door stopper can enter the slot of the processing axis. The processing axis is driven to rotate by the driving mechanism, so that the vehicle door stopper can be twisted to realize the processing of the vehicle door stopper. Before the vehicle door stopper is processed, the vehicle door stoppers of different models and sizes are clamped by the clamping plate, thereby improving the application range of the processing equipment.

Description

Technical Field

[0001] The present invention relates to the field of automobile technology, and in particular to a door stopper, processing equipment and method. Background Art

[0002] The door stopper is a device used to limit the opening angle of the door in the car. It can ensure that the door will not open too much when it is opened. At the same time, it can also remain open when needed. When producing and processing the door stopper, it is necessary to first process the frame of the door stopper. The processing equipment used for the existing frame of the door stopper has a low degree of automation, which leads to low production efficiency of the door stopper.

[0003] The prior art CN109622694A discloses a door stopper frame processing equipment. During operation, the door stopper frame is fixed on a tooling plate, and the feeding cylinder outputs so that the tooling plate is located below a pressing device. The door stopper frame is pressed by the pressing device, and the door stopper frame is twisted by a processing drive device. Then, the pressing device releases the door stopper frame, and the stripping cylinder causes the door stopper frame to rise, and causes the door stopper frame to hit a pressing rod during the rising process and fall off. The equipment has the advantages of high automation and production efficiency.

[0004] However, when the above processing equipment is in use, the position of the positioning column cannot be adjusted, resulting in that the processing equipment cannot process stoppers of different models and sizes, thereby reducing the application scope of the processing equipment. Summary of the invention

[0005] The object of the present invention is to provide a vehicle door stopper, processing equipment and method, which solves the technical problem that the existing processing equipment of the vehicle door stopper frame cannot adjust the position of the positioning column when in use, resulting in the processing equipment being unable to process stoppers of different models and sizes, thereby reducing the scope of application of the processing equipment.

[0006] To achieve the above-mentioned objectives, in a first aspect, the present invention provides a processing equipment for a vehicle door limiter, comprising a workbench, and also comprising guide rails, a movable table, a clamping plate, a push plate, a pressing mechanism, a support frame, a driving mechanism and a processing axis, wherein the number of the guide rails is two, and they are respectively located on the front and rear sides of the workbench, the movable table is slidably arranged on the two guide rails, the number of the clamping plates is two, and they are respectively slidably arranged on the front and rear sides of the movable table, the movable table has a placement groove, the push plate is slidably arranged in the placement groove, the pressing mechanism is used to press the vehicle door limiter, the support frame is arranged on the workbench, and is located between the two guide rails, the driving mechanism is used to drive the processing axis to rotate along its own axis, and the processing axis is located on the side of the driving mechanism close to the pressing mechanism.

[0007] Among them, the pressing mechanism includes a support seat, a lifting member and a pressing plate. The support seat is arranged on the workbench and is located outside the two guide rails. The pressing plate is located below the support seat. The lifting member is used to move the pressing plate up and down below the support seat.

[0008] Among them, the driving mechanism includes a driving member, a torque sensor and a mounting member. The torque sensor is located on the side of the support frame close to the processing axis. The driving member is used to drive the torque sensor to rotate along its own axis, and the mounting member is used to connect the torque sensor to the processing axis.

[0009] Wherein, the mounting member includes a mounting disk and a processing disk, the mounting disk is arranged on a side of the torque sensor close to the processing axis, the processing disk is detachably connected to the mounting disk, and is arranged on a side of the processing axis close to the mounting disk.

[0010] Wherein, the driving component and the torque sensor as well as the torque sensor and the mounting component are connected via a transmission shaft.

[0011] In a second aspect, the present invention further provides a method for processing a door stopper, comprising the following steps:

[0012] After aligning the through hole of the processing disk with the screw rod, the screw rod is passed through the through hole, and then a nut is tightened outside the screw rod, so that the processing disk is installed on the mounting disk to realize the installation of the processing shaft;

[0013] Placing the door stopper between two clamping plates on a movable platform, allowing the two clamping plates to move relative to each other, and clamping and fixing the door stopper between the two clamping plates;

[0014] Allowing the movable platform to slide transversely on the guide rail, driving the door stopper clamped and fixed between the two clamping plates to move transversely on the workbench;

[0015] When the door stopper moves horizontally to below the pressure plate, the pressure plate moves up and down below the support seat to press the door stopper;

[0016] Allow the door stopper to enter the slot of the processing shaft, and then allow the processing shaft to rotate along its own axis to achieve twisting of the door stopper;

[0017] The door stopper is withdrawn from the slotted slot of the processing shaft, and the pressure plate is moved upward so that the door stopper is no longer pressed, and then the movable platform is moved away from the pressure plate. Subsequently, the push plate is moved upward to lift the door stopper, thereby completing the entire processing process of the door stopper.

[0018] In a third aspect, the present invention further provides a vehicle door stopper, which is manufactured using the processing equipment for the vehicle door stopper described above.

[0019] The present invention provides a vehicle door stopper, processing equipment and method. The clamping plate slides longitudinally on the movable table so that the two clamping plates can move relative to or away from each other, thereby clamping and fixing the vehicle door stopper between the two clamping plates. The movable table slides transversely on the guide rail, thereby driving the vehicle door stopper clamped and fixed between the two clamping plates to move transversely on the workbench, thereby moving the vehicle door stopper to the pressing mechanism, and pressing the vehicle door stopper by the pressing mechanism, and then allowing the vehicle door stopper to enter the processing axis. In the slotted bayonet, the driving mechanism drives the processing shaft to rotate along its own axis, so that the door stopper can be twisted to realize the processing of the door stopper. In the process of processing the door stopper, the clamping plate is used to clamp door stoppers of different models and sizes, thereby improving the application scope of the processing equipment and solving the technical problem that the existing processing equipment of the door stopper frame cannot adjust the position of the positioning column during use, resulting in the inability of the processing equipment to process stoppers of different models and sizes, thereby reducing the application scope of the processing equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0021] Figure 1 It is a schematic structural diagram of a processing device for a vehicle door stopper according to a first embodiment of the present invention.

[0022] Figure 2 It is a cross-sectional schematic diagram along the hydraulic telescopic rod of the first embodiment of the present invention.

[0023] Figure 3 The first embodiment of the present invention Figure 2 Enlarged view of point A.

[0024] Figure 4 1 is a schematic cross-sectional view along the clamping plate of the first embodiment of the present invention.

[0025] Figure 5 It is a flowchart of a method for processing a door stopper according to a second embodiment of the present invention.

[0026] In the figure: 101-workbench, 102-guide rail, 103-movable table, 104-clamping plate, 105-pushing plate, 106-support frame, 107-processing axis, 108-support seat, 109-pressing plate, 110-torque sensor, 111-mounting plate, 112-processing plate, 113-placing slot, 114-hydraulic telescopic rod, 115-first electric telescopic rod, 116-second electric telescopic rod, 117-limiting block, 118-pneumatic telescopic rod, 119-driving motor, 120-screw, 121-nut, 122-transmission shaft. DETAILED DESCRIPTION

[0027] Embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be construed as limiting the present invention.

[0028] First embodiment:

[0029] See also Figures 1 to 4 The present invention provides a processing device for a vehicle door stopper, including a workbench 101, and also includes a guide rail 102, a movable table 103, a clamping plate 104, a push plate 105, a pressing mechanism, a support frame 106, a driving mechanism and a processing shaft 107. The pressing mechanism includes a supporting seat 108, a lifting member and a pressing plate 109. The driving mechanism includes a driving member, a torque sensor 110 and a mounting member. The mounting member includes a mounting disk 111 and a processing disk 112.

[0030] In this embodiment, the two clamping plates 104 can move relative to or away from each other by the longitudinal sliding of the clamping plate 104 on the movable table 103, so that the door stopper can be clamped and fixed between the two clamping plates 104, and the movable table 103 can slide horizontally on the guide rail 102, so that the door stopper clamped and fixed between the two clamping plates 104 can be driven to move horizontally on the workbench 101, and then the door stopper can be moved to the pressing mechanism, and the door stopper can be pressed by the pressing mechanism, and then the door stopper can enter the processing In the slotted socket of the shaft 107, the driving mechanism drives the processing shaft 107 to rotate along its own axis, so that the door stopper can be twisted to realize the processing of the door stopper. In the process of processing the door stopper, the clamping plate 104 is used to clamp door stoppers of different models and sizes, thereby improving the application scope of the processing equipment and solving the technical problem that the existing processing equipment of the door stopper frame cannot adjust the position of the positioning column during use, resulting in the inability of the processing equipment to process stoppers of different models and sizes, thereby reducing the application scope of the processing equipment.

[0031] There are two guide rails 102, which are respectively located on the front and rear sides of the workbench 101. The movable platform 103 is slidably arranged on the two guide rails 102. There are two clamping plates 104, which are respectively slidably arranged on the front and rear sides of the movable platform 103. The movable platform 103 has a placement groove 113. The push plate 105 is slidably arranged in the placement groove 113. The pressing mechanism is used to press the door stopper. The support frame 106 is arranged on the workbench 101. The movable table 103 is provided with a slide groove, and the slide groove of the movable table 103 cooperates with the guide rail 102 so that the slide groove of the movable table 103 can slide horizontally on the guide rail 102. A hydraulic telescopic rod 114 is provided between the two guide rails 102 on the workbench 101. The hydraulic The output end of the telescopic rod 114 is connected to the movable platform 103, and drives the movable platform 103 to slide horizontally on the guide rail 102. The movable platform 103 has a sliding groove, and the clamping plate 104 has a protrusion. The protrusion of the clamping plate 104 cooperates with the sliding groove of the movable platform 103, so that the protrusion of the clamping plate 104 can slide longitudinally in the sliding groove of the movable platform 103. The movable platform 103 is provided with a first electric telescopic rod 115, and the output end of the first electric telescopic rod 115 It is connected to the clamping plate 104 and drives the protrusion of the clamping plate 104 to slide longitudinally in the sliding groove of the movable table 103. A second electric telescopic rod 116 is arranged in the placement groove 113. The output end of the second electric telescopic rod 116 is connected to the push plate 105 and drives the push plate 105 to move up and down in the placement groove 113. The support frame 106 can slide horizontally on the workbench 101, thereby driving the processing axis 107 to move horizontally above the workbench 101.

[0032] Secondly, a limit block 117 is further provided in the placement groove 113 . The limit block 117 is located below the push plate 105 and is used to limit the extreme position of the lowest point of the push plate 105 .

[0033] Again, the support seat 108 is arranged on the workbench 101 and is located outside the two guide rails 102. The pressure plate 109 is located below the support seat 108. The lifting component is used to move the pressure plate 109 up and down below the support seat 108. The lifting component is a pneumatic telescopic rod 118. The pneumatic telescopic rod 118 is arranged on the support seat 108. The output end of the pneumatic telescopic rod 118 passes through the support seat 108, and the output end of the pneumatic telescopic rod 118 is connected to the pressure plate 109, and drives the pressure plate 109 to move up and down below the support seat 108.

[0034] At the same time, the torque sensor 110 is located on the side of the support frame 106 close to the processing shaft 107, the driving member is used to drive the torque sensor 110 to rotate along its own axis, the mounting member is used to connect the torque sensor 110 to the processing shaft 107, the driving member is a driving motor 119, and the torque sensor 110 can detect the torque of the processing shaft 107 in real time and transmit the detection result to the driving motor 119, so as to control the torque of the driving motor 119.

[0035] In addition, the mounting disk 111 is arranged on a side of the torque sensor 110 close to the processing shaft 107, the processing disk 112 is detachably connected to the mounting disk 111, and is arranged on a side of the processing shaft 107 close to the mounting disk 111, and screws 120 are evenly arranged on the side of the mounting disk 111 close to the processing disk 112, the screws 120 penetrate the processing disk 112, and a nut 121 is detachably arranged on the outside of the screws 120 to achieve the purpose of connecting the mounting disk 111 and the processing disk 112, the processing disk 112 is evenly distributed with through holes, the screws 120 penetrate the through holes of the processing disk 112, and the outside of each of the screws 120 is threadedly connected with the nut 121, so that the processing disk 112 can be installed outside the mounting disk 111 through the screws 120 and the nut 121, and then the processing shaft 107 can be installed outside the mounting disk 111.

[0036] Finally, the driving member and the torque sensor 110, as well as the torque sensor 110 and the mounting member are connected via a transmission shaft 122. The driving motor 119, the transmission shaft 122, the torque sensor 110 and the mounting disk 111 are coaxially arranged. The processing disk 112 and the processing axis 107 are coaxially arranged. The output shaft of the driving motor 119 is connected to the transmission shaft 122, and drives the transmission shaft 122 to rotate along its own axis, thereby driving the torque sensor 110 to rotate along its own axis, and then driving the mounting disk 111 to rotate along its own axis through another transmission shaft 122. The mounting disk 111 rotates along its own axis, and the processing disk 112 is driven to rotate along its own axis, thereby driving the processing axis 107 to rotate along its own axis.

[0037] When using a door limiter processing device of the present embodiment, after aligning the through holes of the processing disk 112 with the screw rods 120 one by one, allow the screw rods 120 to pass through the through holes at corresponding positions on the processing disk 112 one by one, then screw the nut 121 outside each screw rod 120, and allow each nut 121 to be tightened outside each screw rod 120, so that the processing disk 112 can be installed outside the mounting disk 111 through the screw rods 120 and the nuts 121, and then the processing shaft 107 can be installed outside the mounting disk 111, thereby realizing the installation of the processing shaft 107.

[0038] After the processing shaft 107 is installed, the door stopper is placed between the two clamping plates 104 on the movable platform 103, and the first electric telescopic rod 115 is started, so that the power output from the output end of the first electric telescopic rod 115 drives the protrusion of the clamping plate 104 to slide longitudinally in the sliding groove of the movable platform 103, allowing the two clamping plates 104 to move relative to each other, so that the door stopper can be clamped and fixed between the two clamping plates 104.

[0039] After the door stopper is clamped and fixed, the hydraulic telescopic rod 114 is started so that the power output from the output end of the hydraulic telescopic rod 114 drives the slide groove of the movable platform 103 to slide horizontally on the guide rail 102, thereby driving the door stopper clamped and fixed between the two clamping plates 104 to move horizontally above the workbench 101.

[0040] When the door stopper moves laterally to the bottom of the pressure plate 109, the pneumatic telescopic rod 118 is started, so that the power output from the output end of the pneumatic telescopic rod 118 drives the pressure plate 109 to move up and down under the support seat 108, so that the pressure plate 109 can press the door stopper clamped and fixed above the movable platform 103.

[0041] After the door stopper is pressed, the support frame 106 is moved laterally, so that the processing shaft 107 can be driven to move laterally above the workbench 101, so that the door stopper can enter the slot of the processing shaft 107, and then the drive motor 119 is started, so that the power output by the output shaft of the drive motor 119 drives the transmission shaft 122 to rotate along its own axis, so that the torque sensor 110 can be driven to rotate along its own axis, and then the mounting plate 111 can be driven to rotate along its own axis through another transmission shaft 122, and the processing plate 112 can be driven to rotate along its own axis through the rotation of the mounting plate 111 along its own axis, so that the processing shaft 107 can be driven to rotate along its own axis, and then the door stopper can be twisted to realize the processing of the door stopper. In the process of twisting the door stopper, the torque sensor 110 can detect the torque of the processing shaft 107 in real time, and transmit the detection result to the drive motor 119, so that the torque of the drive motor 119 can be controlled.

[0042] After the door stopper is processed, the support frame 106 is moved laterally, thereby driving the processing shaft 107 to move laterally above the workbench 101, so that the door stopper is withdrawn from the slot of the processing shaft 107, and then the pressure plate 109 is moved upward so that the door stopper is no longer pressed. Thereafter, the movable platform 103 is moved laterally to move the movable platform 103 away from the pressure plate 109, and then the second electric telescopic rod 116 is started so that the power output from the output end of the second electric telescopic rod 116 drives the push plate 105 to move up and down in the placement groove 113, so that the push plate 105 can lift the door stopper, so that the staff can remove the processed door stopper and complete the entire processing process of the door stopper.

[0043] Second embodiment:

[0044] Based on the first embodiment, please refer to Figure 5 The present invention also provides a method for processing a door stopper, comprising the following steps:

[0045] S101, after aligning the through hole of the processing disk 112 with the screw rod 120, let the screw rod 120 pass through the through hole, and then tighten the nut 121 outside the screw rod 120, so that the processing disk 112 is installed on the installation disk 111, and the processing shaft 107 is installed.

[0046] Specifically, after aligning the through holes of the processing disk 112 with the screw rods 120 one by one, allow the screw rods 120 to pass through the through holes at corresponding positions on the processing disk 112 one by one, then screw the nut 121 outside each screw rod 120, and allow each nut 121 to be tightened outside each screw rod 120, so that the processing disk 112 can be installed outside the mounting disk 111 through the screw rods 120 and the nuts 121, and then the processing shaft 107 can be installed outside the mounting disk 111, thereby realizing the installation of the processing shaft 107.

[0047] S102 , placing the vehicle door stopper between two clamping plates 104 on the movable platform 103 , allowing the two clamping plates 104 to move relatively, and clamping and fixing the vehicle door stopper between the two clamping plates 104 .

[0048] Specifically, after the processing shaft 107 is installed, the door limiter is placed between the two clamping plates 104 on the movable platform 103, and the first electric telescopic rod 115 is started, so that the power output from the output end of the first electric telescopic rod 115 drives the protrusion of the clamping plate 104 to slide longitudinally in the sliding groove of the movable platform 103, allowing the two clamping plates 104 to move relative to each other, so that the door limiter can be clamped and fixed between the two clamping plates 104.

[0049] S103 , allowing the movable platform 103 to slide transversely on the guide rail 102 , thereby driving the door stopper clamped and fixed between the two clamping plates 104 to move transversely on the workbench 101 .

[0050] Specifically, after the door limiter is clamped and fixed, the hydraulic telescopic rod 114 is started so that the power output from the output end of the hydraulic telescopic rod 114 drives the slide groove of the movable platform 103 to slide horizontally on the guide rail 102, thereby driving the door limiter clamped and fixed between the two clamping plates 104 to move horizontally above the workbench 101.

[0051] S104, when the door stopper moves horizontally to below the pressing plate 109, the pressing plate 109 moves up and down below the supporting seat 108 to press the door stopper.

[0052] Specifically, when the door limiter moves laterally to below the pressure plate 109, the pneumatic telescopic rod 118 is started, so that the power output from the output end of the pneumatic telescopic rod 118 drives the pressure plate 109 to move up and down below the support seat 108, so that the pressure plate 109 can press the door limiter clamped and fixed above the movable platform 103.

[0053] S105 , allowing the vehicle door stopper to enter the slot of the processing shaft 107 , and then allowing the processing shaft 107 to rotate along its own axis to achieve twisting of the vehicle door stopper.

[0054] Specifically, after the door stopper is pressed, the support frame 106 is moved laterally, so that the processing shaft 107 can be driven to move laterally above the workbench 101, so that the door stopper can enter the slot of the processing shaft 107, and then the drive motor 119 is started, so that the power output by the output shaft of the drive motor 119 drives the transmission shaft 122 to rotate along its own axis, thereby driving the torque sensor 110 to rotate along its own axis, and then driving the mounting plate through the other transmission shaft 122. 111 rotates along its own axis, and the rotation of the mounting disk 111 along its own axis drives the processing disk 112 to rotate along its own axis, thereby driving the processing shaft 107 to rotate along its own axis, and then the door limiter can be twisted to achieve processing of the door limiter. In the process of twisting the door limiter, the torque sensor 110 can detect the torque of the processing shaft 107 in real time, and transmit the detection result to the drive motor 119, so that the torque of the drive motor 119 can be controlled.

[0055] S106, withdraw the door stopper from the slot of the processing shaft 107, and then move the pressure plate 109 upward so that the door stopper is no longer pressed. Then, move the movable platform 103 away from the pressure plate 109, and then move the push plate 105 upward to lift the door stopper, thereby completing the entire processing process of the door stopper.

[0056] Specifically, after the door stopper is processed, the support frame 106 is moved laterally, thereby driving the processing shaft 107 to move laterally above the workbench 101, so that the door stopper is withdrawn from the slot of the processing shaft 107, and then the pressure plate 109 is moved upward so that the door stopper is no longer pressed. Thereafter, the movable platform 103 is moved laterally to move the movable platform 103 away from the pressure plate 109, and then the second electric telescopic rod 116 is started so that the power output from the output end of the second electric telescopic rod 116 drives the push plate 105 to move up and down in the placement groove 113, so that the push plate 105 can lift the door stopper, so that the staff can remove the processed door stopper and complete the entire processing process of the door stopper.

[0057] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A door stopper processing device, comprising a workbench, characterized in that: It also includes guide rails, a movable table, a clamping plate, a push plate, a pressing mechanism, a support frame, a driving mechanism and a processing axis. The number of the guide rails is two, and they are respectively located on the front and rear sides of the workbench. The movable table is slidably arranged on the two guide rails. The number of the clamping plates is two, and they are respectively slidably arranged on the front and rear sides of the movable table. The movable table has a placement groove, and the push plate is slidably arranged in the placement groove. The pressing mechanism is used to press the door limiter. The support frame is arranged on the workbench and is located between the two guide rails. The driving mechanism is used to drive the processing axis to rotate along its own axis, and the processing axis is located on the side of the driving mechanism close to the pressing mechanism.

2. The door stopper processing equipment according to claim 1, characterized in that: The pressing mechanism includes a support seat, a lifting member and a pressing plate. The support seat is arranged on the workbench and is located outside the two guide rails. The pressing plate is located below the support seat. The lifting member is used to move the pressing plate up and down below the support seat.

3. The door stopper processing equipment according to claim 1, characterized in that: The driving mechanism includes a driving member, a torque sensor and a mounting member. The torque sensor is located on a side of the support frame close to the processing axis. The driving member is used to drive the torque sensor to rotate along its own axis. The mounting member is used to connect the torque sensor to the processing axis.

4. The door stopper processing equipment according to claim 3, characterized in that: The mounting member comprises a mounting disk and a processing disk. The mounting disk is arranged on a side of the torque sensor close to the processing axis. The processing disk is detachably connected to the mounting disk and is arranged on a side of the processing axis close to the mounting disk.

5. The door stopper processing equipment according to claim 4, characterized in that: The driving member and the torque sensor as well as the torque sensor and the mounting member are connected via a transmission shaft.

6. A method for processing a door stopper, applied to a processing device for a door stopper according to any one of claims 1 to 5, characterized in that: The following steps are involved: After aligning the through hole of the processing disk with the screw rod, the screw rod is passed through the through hole, and then a nut is tightened outside the screw rod, so that the processing disk is installed on the mounting disk to realize the installation of the processing shaft; Placing the door stopper between two clamping plates on a movable platform, allowing the two clamping plates to move relative to each other, and clamping and fixing the door stopper between the two clamping plates; Allowing the movable platform to slide transversely on the guide rail, driving the door stopper clamped and fixed between the two clamping plates to move transversely on the workbench; When the door stopper moves horizontally to below the pressure plate, the pressure plate moves up and down below the support seat to press the door stopper; Allow the door stopper to enter the slot of the processing shaft, and then allow the processing shaft to rotate along its own axis to achieve twisting of the door stopper; The door stopper is withdrawn from the slotted slot of the processing shaft, and the pressure plate is moved upward so that the door stopper is no longer pressed, and then the movable platform is moved away from the pressure plate. Subsequently, the push plate is moved upward to lift the door stopper, thereby completing the entire processing process of the door stopper.

7. A door stopper, characterized in that: The door stopper is manufactured using the processing equipment of any one of claims 1 to 5.

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