Punching die device for punching mobile phone shell

Abstract

The utility model relates to a punching die device for punching a mobile phone shell. The punching die device comprises a device frame, an electric cylinder and a punching cutter assembly. The electric cylinder is arranged on the device frame, the device frame comprises a guide rail assembly and a base, the guide rail assembly is arranged on the base, the punching cutter assembly is arranged on the guide rail assembly in a sliding mode, and the electric cylinder is in driving connection with the punching cutter assembly. According to the punching die device for punching the mobile phone shell, the electric cylinder is used for driving the punching cutter assembly to move, the electric cylinder can accurately control the movement stroke and the movement speed of the punching cutter assembly, and therefore it can be ensured that when the punching cutter assembly punches the mobile phone shell, the proper punching distance and speed are achieved for punching the mobile phone shell, and the punching efficiency is improved. When the punching cutter assembly punches the mobile phone shell, appropriate punching force is achieved. Through the arrangement, in the punching process of the mobile phone shell, under the condition that it can be ensured that the hole site of the mobile phone shell is smoothly punched, too fast abrasion caused by too violent punching of a cutter is avoided, and therefore the cutter is protected.

Description

Technical Field

[0001] The utility model relates to the technical field of stamping die devices, in particular to a stamping die device for punching mobile phone cases. Background Art

[0002] Mobile phone cases are integrally injection-molded. Therefore, the camera hole positions of mobile phone cases usually need to be punched by a punching device aligning with the punching positions, so that camera hole positions can be opened on the mobile phone cases.

[0003] Existing punching devices usually use air cylinders to drive the punching knives to move, so that the punching knives can quickly punch mobile phone cases. However, it is difficult for air cylinders to control the movement distance and movement speed of the punching knives. This causes the punching knives to punch too hard when punching mobile phone cases, resulting in too fast wear of the punching knife heads and dies. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a stamping die device for punching mobile phone cases to solve the problems mentioned in the above background art.

[0005] The technical solution of the utility model is a stamping die device for punching mobile phone cases, including a device frame, an electric cylinder, and a punching knife assembly; the electric cylinder is arranged on the device frame, the device frame includes: a guide rail assembly and a base, the guide rail assembly is arranged on the base, the punching knife assembly is slidably arranged on the guide rail assembly, and the electric cylinder is drivingly connected to the punching knife assembly.

[0006] In one embodiment, the punching knife assembly includes: a slider and a tool, the slider is slidably arranged on the guide rail assembly, and the tool is detachably arranged on one side of the slider facing the base.

[0007] In one embodiment, the punching knife assembly further includes a buffer block, the buffer block is arranged on one side of the slider facing the base, and the height of the buffer block is less than the height of the tool.

[0008] In one embodiment, the guide rail assembly includes at least two guide rail rods and a top cover plate. One ends of the two guide rail rods are respectively vertically arranged on both sides of the base, the other ends of the two guide rail rods are respectively connected to the top cover plate, the electric cylinder is arranged on the top cover plate, and the punching knife assembly is slidably arranged on the two guide rail rods.

[0009] In one embodiment, there are four guide rail rods, the four guide rail rods are respectively arranged in pairs on both sides of the base, and the punching knife assembly is slidably arranged on the four guide rail rods.

[0010] In one embodiment, a discharge groove is formed on the base, and the discharge groove is arranged in alignment with the punching knife assembly.

[0011] In one embodiment, through holes are formed in the side wall of the discharge chute, and the through holes are communicated with the discharge chute.

[0012] In one embodiment, a receiving groove is formed in the base, and a plurality of screw holes are formed in the bottom of the receiving groove. The receiving groove is used for placing a mold.

[0013] In one embodiment, two control buttons are arranged on one side wall of the base. The two control buttons are respectively arranged near both sides of the base, and the two control buttons are used to control the start or stop of the electric cylinder.

[0014] In one embodiment, a first wiring channel is formed in the guide rail assembly, and a second wiring channel is formed in the base. The first wiring channel is communicated with the second wiring channel. The two control buttons are electrically connected to the electric cylinder by using wires to pass through the first wiring channel and the second wiring channel.

[0015] The beneficial effects provided by the present utility model are as follows: The punching die device for punching mobile phone cases provided by this application drives the punching knife assembly to move by using an electric cylinder, and the electric cylinder can accurately control the movement stroke and movement speed of the punching knife assembly, so as to ensure that when the punching knife assembly punches the mobile phone case, there is an appropriate punching distance and speed to punch the mobile phone case, that is, when the punching knife assembly punches the mobile phone case, there is an appropriate punching force. Through the above settings, during the punching process of the mobile phone case, it can ensure that the hole positions of the mobile phone case are smoothly punched, and avoid excessive punching of the tool, resulting in too fast wear, thereby protecting the tool. Description of the Drawings

[0016] Figure 1 It is a three-dimensional structural schematic diagram of a punching die device for punching mobile phone cases in one direction;

[0017] Figure 2 It is a three-dimensional structural schematic diagram of a punching die device for punching mobile phone cases and a mold in one direction.

[0018] In the drawings, 10. Punching die device for punching mobile phone cases; 100. Device frame; 110. Guide rail assembly; 111. Guide rail rod; 112. Top cover plate; 120. Base; 121. Discharge chute; 122. Through hole; 200. Electric cylinder; 300. Punching knife assembly; 310. Slide block; 320. Tool; 330. Buffer block; 400. Receiving groove; 410. Screw hole; 500. Control button; 600. Mold. Detailed Embodiments

[0019] It should be noted that, without conflict, the embodiments and features in the embodiments of the present utility model can be combined with each other. The following will further describe the technical solutions of the present utility model in conjunction with the drawings of the embodiments of the present utility model. The present utility model is not limited to the following specific embodiments.

[0020] It should be understood that the same or similar reference numerals in the drawings of the embodiments correspond to the same or similar components. In the description of the present utility model, it should be understood that if there are terms such as "upper", "lower", "front", "rear", "left", "right", "top", "bottom", etc. indicating the orientation or positional relationship, they are based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the positional relationship in the drawings are only for illustrative purposes and cannot be understood as a limitation of this patent. For those of ordinary skill in the art, the specific meanings of the above terms can be understood according to specific circumstances.

[0021] In one embodiment, as Figure 1 and Figure 2 shown, a die-cutting device 10 for mobile phone cases includes a device frame 100, an electric cylinder 200, and a die-cutting knife assembly 300; the electric cylinder 200 is arranged on the device frame 100, and the device frame 100 includes: a guide rail assembly 110 and a base 120. The guide rail assembly 110 is arranged on the base 120, the die-cutting knife assembly 300 is slidably arranged on the guide rail assembly 110, and the electric cylinder 200 is drivingly connected to the die-cutting knife assembly 300.

[0022] Specifically, the die-cutting device 10 for mobile phone cases drives the movement of the die-cutting knife assembly 300 by using the electric cylinder 200, and the electric cylinder 200 can accurately control the movement stroke and movement speed of the die-cutting knife assembly 300, so as to ensure that when the die-cutting knife assembly 300 cuts the mobile phone case, it has an appropriate cutting distance and speed to cut the mobile phone case, that is, when the die-cutting knife assembly 300 cuts the mobile phone case, it has an appropriate cutting force. Through the above settings, during the die-cutting process of the mobile phone case, it can ensure that the hole positions of the mobile phone case are smoothly die-cut, and avoid the tool 320 from being cut too hard and causing excessive wear, thereby protecting the tool 320. At the same time, the appropriate cutting distance and force can also protect the mold 600 and reduce the wear of the tool 320 on the mold 600.

[0023] For the convenience of replacing the tool 320, in one embodiment, as Figure 1 and Figure 2As shown, the punching knife assembly 300 includes: a slider 310 and a cutting tool 320. The slider 310 is slidably arranged on the guide rail assembly 110, and the cutting tool 320 is detachably arranged on one side of the slider 310 facing the base 120. Specifically, a sliding hole is formed in the slider 310, and the guide rail assembly 110 passes through the sliding hole, so that the slider 310 can slide smoothly on the guide rail. By detachably arranging the cutting tool 320 on the slider 310, different cutting tools 320 can be replaced when punching mobile phone camera holes of different shapes.

[0024] To protect the punching knife assembly 300, in one embodiment, as Figure 1 and Figure 2 shown, the punching knife assembly 300 further includes a buffer block 330. The buffer block 330 is arranged on one side of the slider 310 facing the base 120, and the height of the buffer block 330 is less than the height of the cutting tool 320. Specifically, the material of the buffer block 330 is rubber. By arranging the buffer block 330 on the slider 310 and the buffer block 330 is in movable abutment with the base 120. After the punching knife assembly 300 finishes punching the mobile phone case, the buffer block 330 can buffer the movement of the slider 310 towards the base 120, thereby reducing the impact force of the slider 310 on the base 120, and further better protecting the punching knife assembly 300.

[0025] To enable the punching knife assembly 300 to slide smoothly on the guide rail assembly 110, in one embodiment, as Figure 1 shown, the guide rail assembly 110 includes at least two guide rail rods 111 and a top cover plate 112. One ends of the two guide rail rods 111 are respectively vertically arranged on both sides of the base 120, and the other ends of the two guide rail rods 111 are respectively connected to the top cover plate 112. The electric cylinder 200 is arranged on the top cover plate 112, and the punching knife assembly 300 is slidably arranged on the two guide rail rods 111. Specifically, at least two sliding holes are formed in the punching knife assembly 300, and the two guide rail rods 111 respectively pass through the two sliding holes, so that the punching knife assembly 300 is slidably arranged on the two guide rail rods 111. Through the above arrangement, the punching knife assembly 300 can slide more smoothly on the guide rail assembly 110 under the support and guiding action of the two guide rail rods 111, so that the punching tool 320 can punch the mobile phone case quickly and accurately.

[0026] To further enable the punching knife assembly 300 to slide smoothly on the guide rail assembly 110, in one embodiment, as Figure 1 and Figure 2As shown, there are four guide rail rods 111. The four guide rail rods 111 are respectively arranged in pairs on both sides of the base 120, and the punching knife assembly 300 is slidably arranged on the four guide rail rods 111. Specifically, four sliding holes are formed on the punching knife assembly 300, and the four sliding holes are respectively formed at four corners close to the punching knife assembly 300. The four guide rail rods 111 respectively pass through the four sliding holes, so that the punching knife assembly 300 is slidably arranged on the four guide rail rods 111. Through the above settings, the punching knife assembly 300 can slide more smoothly on the guide rail assembly 110 under the support and guiding action of the four guide rail rods 111, so that the punching tool 320 can quickly and accurately punch the mobile phone case.

[0027] In order to facilitate the discharge of waste materials on the base 120, in one embodiment, as Figure 1 and Figure 2 shown, a discharge groove 121 is formed on the base 120, and the discharge groove 121 is arranged in alignment with the punching knife assembly 300. Specifically, the discharge groove 121 is used to discharge the waste materials generated when punching the mobile phone case. By arranging the discharge groove 121 in alignment with the punching knife assembly 300, when the punching knife assembly 300 punches the mobile phone case, the waste materials punched out from the mobile phone case can accurately fall into the discharge groove 121, so as to facilitate the discharge of the waste materials from the punching die device 10 for punching the mobile phone case.

[0028] In order to facilitate the dredging of the discharge groove 121 when the discharge groove 121 is blocked, in one embodiment, as Figure 1 and Figure 2 shown, a through hole 122 is formed on the side wall of the discharge groove 121, and the through hole 122 is communicated with the discharge groove 121. Specifically, the through hole 122 penetrates the side wall of the discharge groove 121. By forming the through hole 122 on the side wall of the discharge groove 121, when too much waste material accumulates in the discharge groove 121 and causes the discharge groove 121 to be blocked, the discharge groove 121 can be dredged by inserting a stick into the through hole 122. Through the above settings, the discharge groove 121 can be easily dredged when it is blocked.

[0029] In order to firmly fix the mold 600 on the base 120, in one embodiment, as Figure 1 and Figure 2As shown, a receiving groove 400 is formed in the base 120, and a plurality of screw holes 410 are formed in the bottom of the receiving groove 400. The receiving groove 400 is used for placing the mold 600. Specifically, by placing the mold 600 in the receiving groove 400, passing a bolt through the mold 600 and screwing it into the screw hole 410, the mold 600 can be firmly fixed in the receiving groove 400 on the base 120. At least a part of the mold 600 protrudes from the receiving groove 400. The mold 600 is used for placing the mobile phone case for punching, and corresponding punching holes are formed in different molds 600 for different models of mobile phone cases. Through the above settings, the mold 600 can be firmly fixed in the receiving groove 400 of the base 120 by bolts, so as to facilitate placing the mobile phone case on the mold 600 for punching.

[0030] In order to protect the user's hands, in one embodiment, as Figure 1 and Figure 2 shown, two control buttons 500 are arranged on one side wall of the base 120. The two control buttons 500 are respectively arranged near both sides of the base 120. The two control buttons 500 are used to control the start or stop of the electric cylinder 200. Specifically, the interval between the two control buttons 500 is greater than the length of an adult's palm, that is, the interval between the two control buttons 500 is greater than 20 cm. The two control buttons 500 need to be pressed simultaneously to start the punching die device 10 for punching the mobile phone case to perform the punching work. Through the above settings, the user needs to press the two control buttons 500 with both hands simultaneously to start the punching die device 10 for punching the mobile phone case to perform the punching work, so as to prevent the user's hands from reaching into the punching die device 10 for punching the mobile phone case during punching, protecting the user's hands.

[0031] In order to protect the connecting wires of the punching die device 10 for punching the mobile phone case, in one embodiment, a first wiring channel (blocked in the figure and not shown) is formed in the guide rail assembly 110, and a second wiring channel (blocked in the figure and not shown) is formed in the base 120. The first wiring channel and the second wiring channel are communicated. The two control buttons 500 are electrically connected to the electric cylinder 200 by using wires to pass through the first wiring channel and the second wiring channel. Specifically, the electric cylinder 200 is arranged on the guide rail assembly 110. By forming the first wiring channel in the guide rail assembly 110 and the second channel on the base 120, the connecting wires of the punching die device 10 for punching the mobile phone case can be routed in the first wiring channel and the second wiring channel, preventing the connecting wires from being exposed, so as to protect the connecting wires.

[0032] The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope recorded in this specification.

[0033] The above-described embodiments only express several implementation manners of the present utility model. The description is relatively specific and detailed, but it should not be construed as a limitation on the scope of the utility model patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present utility model, several modifications and improvements can still be made, and these all belong to the protection scope of the present utility model. Therefore, the protection scope of the present utility model patent shall be subject to the appended claims.

Claims

1. A punching die device for punching a mobile phone case, characterized in that: It includes a device frame, an electric cylinder and a punching knife assembly; The electric cylinder is arranged on the device frame, and the device frame comprises: a guide rail assembly and a base, the guide rail assembly is arranged on the base, the punching knife assembly is slidably arranged on the guide rail assembly, and the electric cylinder is drivingly connected to the punching knife assembly; Two control buttons are arranged on one side wall of the base, and the two control buttons are arranged on two sides close to the base respectively, and the two control buttons are used to control the start or stop of the electric cylinder; The interval between the two control buttons is greater than 20 cm, and the two control buttons need to be pressed simultaneously to start the punching die device for punching the mobile phone shell to perform the punching work.

2. The punching die device for punching a mobile phone case according to claim 1, characterized in that: The punching knife assembly comprises: a slider and a knife. The slider is slidably arranged on the guide rail assembly, and the knife is detachably arranged on a surface of the slider facing the base.

3. The punching die device for punching a mobile phone case according to claim 2, characterized in that: The punching knife assembly further comprises a buffer block, which is arranged on a surface of the sliding block facing the base, and the height of the buffer block is smaller than the height of the knife.

4. The punching die device for punching a mobile phone case according to claim 1, characterized in that: The guide rail assembly includes at least two guide rail rods and a top cover plate, one end of the two guide rail rods are respectively vertically arranged on both sides of the base, the other ends of the two guide rail rods are respectively connected to the top cover plate, the electric cylinder is arranged on the top cover plate, and the punching knife assembly is slidably arranged on the two guide rail rods.

5. The punching die device for punching a mobile phone case according to claim 4, characterized in that: There are four guide rails, which are arranged in pairs on both sides of the base, and the punching knife assembly is slidably arranged on the four guide rails.

6. The punching die device for punching a mobile phone case according to claim 1, characterized in that: A discharge groove is provided on the base, and the discharge groove is aligned with the punching knife assembly.

7. The punching die device for punching a mobile phone case according to claim 6, characterized in that: A through hole is formed on the side wall of the discharge trough, and the through hole is communicated with the discharge trough.

8. The punching die device for punching a mobile phone case according to claim 1, characterized in that: The base is provided with a receiving groove, the bottom of which is provided with a plurality of screw holes, and the receiving groove is used for placing the mold.

9. The punching die device for punching a mobile phone case according to claim 1, characterized in that: A first wiring channel is provided in the guide rail assembly, a second wiring channel is provided in the base, the first wiring channel is connected to the second wiring channel, and the two control buttons are electrically connected to the electric cylinder by using wires passing through the first wiring channel and the second wiring channel.

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