Convenient copper nut press-fitting equipment

Abstract

The utility model provides convenient copper nut press-fitting equipment, which relates to the technical field of nut press-fitting, and comprises a pedestal and a rack, the pedestal is used for placing a workpiece, the rack is arranged at the rear end of the top of the pedestal, a guide plate is arranged at the front end of the rack, a support plate is arranged above the front end of the guide plate, and a cylinder is arranged at the top of the support plate; a pressing plate is arranged at the output end of the air cylinder; according to the utility model, the pedestal is used for bearing a plastic part preassembled with a copper nut, and the cylinder is used for pushing the heating core to descend, so that the copper nut pressure head enters the copper nut, the heat of the heating core is transferred to the copper nut, and the thrust of the cylinder is used for transferring pressure to press the heated copper nut into the plastic part; in the process, rigid pressure is changed into flexible pressure to be loaded on the copper nut in cooperation with elastic installation of the movable block and the sliding rod, the copper nut is flexibly pressed into the plastic part, the pressing depth of the copper nut is adjusted by integrating elastic buffering and the stroke of the air cylinder, and the pressing condition of the copper nut is substantially adjusted and stabilized.

Description

Technical Field

[0001] The utility model relates to the technical field of nut press-fitting, in particular to a convenient copper nut press-fitting device. Background Art

[0002] There are many ways to connect conventional plastic parts and external parts. In order to adapt to the connection of designed strength, it is an effective way to embed nuts in plastic parts and connect external parts with bolts and nuts.

[0003] In summary of the prior art, copper nuts are generally embedded in plastic parts. However, it is difficult to press copper nuts into plastic parts at room temperature, and there is a risk of cracking of the plastic parts. The conventional practice is generally to heat the copper nuts and press them into plastic parts. The common method on the market is: semi-automatic manual pressing with a heated pressure head, and the operation relies on manual experience. There are human uncertain factors, insufficient controllability, and it is difficult to ensure the quality of the product. Therefore, the utility model proposes a convenient copper nut pressing device to solve the problems existing in the prior art. Utility Model Content

[0004] In view of the above problems, the utility model proposes a convenient copper nut pressing equipment, which has controllable conditional quantitative settings for the bonding quality of copper nuts and plastic parts, including heating temperature control, pressure adjustment, pressing displacement setting, differential change of pressure head, adjustable plastic part positioning, simplified operation, controllable pressure loading time, and heating zone safety protection.

[0005] To achieve the purpose of the utility model, the utility model is implemented by the following technical solutions: a convenient copper nut press-fitting device, comprising a pedestal and a frame, the pedestal is used to place the workpiece, the frame is arranged at the rear end of the top of the pedestal, and a guide plate is arranged at the front end of the frame, a support plate is arranged above the front end of the guide plate, and a cylinder is arranged on the top of the support plate;

[0006] A pressure plate is provided at the output end of the cylinder, and a side plate is provided at the front end of the bottom of the pressure plate, ear plates are provided at the upper and lower sides of both sides of the front end of the side plate, and sliding rods are connected between the adjacent upper and lower ear plates, movable blocks are elastically and movably provided on the sliding rods on both sides, and heating cores are provided on two groups of the movable blocks, and a copper nut pressure head is provided at the lower end of the heating core.

[0007] A further improvement is that a baffle is provided below the front end of the inner side of the frame, and heating core temperature controllers are provided on both sides of the rear end of the baffle, and two groups of heating core temperature controllers are electrically connected to the two groups of heating cores respectively.

[0008] A further improvement is that a start button, a time relay and an emergency stop button are provided at the front end of the pedestal, and the start button, the time relay and the emergency stop button are all electrically connected to the cylinder.

[0009] A further improvement is that guide rods are provided on both sides of the top of the pressing plate, and the guide rods movably penetrate the supporting plate.

[0010] A further improvement is that a spring is sleeved on the outer side of the slide rod, and the spring is located between the movable block and the ear plate at the upper end, a protective cover is provided under the ear plate at the lower end, and the protective cover is arranged on the outer side of the lower part of the heating core.

[0011] A further improvement is that a workpiece positioning block is provided at the front end of the top of the pedestal, and the workpiece positioning block is used to position and place the workpiece.

[0012] A further improvement is that a screw rod is rotatably provided at the middle position inside the frame, and a turntable is provided at the middle position on the top of the frame, the turntable is connected to the screw rod, track grooves are provided on both sides of the front end of the frame, the guide plate is movably installed in the track groove, and a nut ring compatible with the screw rod is provided at the middle position of the rear end of the guide plate.

[0013] The beneficial effects of the utility model are:

[0014] 1. The utility model carries the plastic part with pre-installed copper nuts through a pedestal, pushes the heating core down through the cylinder, so that the copper nut pressure head enters the copper nut, the heat generated by the heating core is transferred to the copper nut, and the thrust of the cylinder transfers the pressure to press the heated copper nut into the plastic part. In this process, the elastic installation of the movable block and the slide rod is coordinated to convert the rigid pressure into flexible pressure to load on the copper nut, and the copper nut is flexibly pressed into the plastic part. The elastic buffer and the cylinder stroke are combined to adjust the pressing depth of the copper nut. There is substantial adjustment and stabilization for the pressing conditions of the copper nut, avoiding the result of pure manual operation based on experience, and the product quality stability and consistency are better.

[0015] 2. During the entire operation process of the utility model, the heating temperature of the heating core is adjusted by the heating core temperature controller according to the material of the plastic part and the size of the copper nut. The pressing temperature can be stably input and controlled. The pressure adjustment is consistent each time by adjusting the cylinder, and the displacement of the copper nut is consistent each time. With the help of the time relay, the loading force and time of the copper nut are consistent each time. The conditions are quantitatively set, the operating conditions are digitized, and specific manual operations are eliminated, which ultimately stabilizes the product quality and speeds up the production rhythm. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is the front view of the utility model;

[0017] Figure 2 This is a schematic diagram of the copper nut pressure head of the utility model;

[0018] Figure 3It is a schematic diagram of the back side of the utility model.

[0019] Among them: 1. Base; 2. Frame; 3. Guide plate; 4. Support plate; 5. Cylinder; 6. Press plate; 7. Side plate; 8. Ear plate; 9. Movable block; 10. Heating core; 11. Copper nut pressure head; 12. Baffle; 13. Heating core temperature controller; 14. Start button; 15. Time relay; 16. Emergency stop button; 17. Guide rod; 18. Spring; 19. Protective cover; 20. Workpiece positioning block; 21. Screw rod; 22. Turntable; 23. Nut ring. DETAILED DESCRIPTION

[0020] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with an embodiment. The embodiment is only used to explain the present invention and does not constitute a limitation on the protection scope of the present invention. Embodiment 1

[0021] according to Figure 1 , 2 As shown in FIG. 3 , this embodiment proposes a convenient copper nut press-fitting device, comprising a base 1 and a frame 2, wherein the base 1 is used to place the workpiece, the frame 2 is arranged at the rear end of the top of the base 1, and a guide plate 3 is arranged at the front end of the frame 2, a support plate 4 is arranged above the front end of the guide plate 3, and a cylinder 5 is arranged at the top of the support plate 4;

[0022] A pressure plate 6 is provided at the output end of the cylinder 5, and a side plate 7 is provided at the front end of the bottom of the pressure plate 6, ear plates 8 are provided at the upper and lower sides of both sides of the front end of the side plate 7, and a sliding rod is connected between the adjacent upper and lower ear plates 8, and movable blocks 9 are elastically and movably provided on the sliding rods on both sides, and heating cores 10 are provided on two groups of the movable blocks 9, and a copper nut press head 11 is provided at the lower end of the heating core 10. The device is small in size and lightweight. When in use, two copper nuts are manually pre-installed in the nut pressing holes of the plastic part. After the plastic part is placed on the workpiece positioning block 20 on the pedestal 1, the operator activates the start button 14 with both hands, and pushes the heating core 10 down through the cylinder 5, so that the copper nut pressure head enters the copper nut, and the heat generated by the heating core 10 is transferred to the copper nut, and the thrust of the cylinder 5 transfers the pressure to press the heated copper nut into the plastic part. In this process, the elastic installation of the movable block 9 and the slide rod is coordinated to convert the rigid pressure into a flexible pressure load on the copper nut, and the copper nut is flexibly pressed into the plastic part. The elastic buffer and the stroke of the cylinder 5 are combined to adjust the pressing depth of the copper nut. There is substantial regulation and stabilization for the pressing conditions of the copper nut. After the loading force is loaded on the nut for a preset loading time, the cylinder 5 is retracted, and the plastic part with the copper nut pressed is manually retrieved.

[0023] A baffle 12 is provided below the front end of the inner side of the frame 2, and heating core temperature controllers 13 are provided on both sides of the rear end of the baffle 12. The two groups of heating core temperature controllers 13 are electrically connected to the two groups of heating cores 10 respectively. A start button 14, a time relay 15 and an emergency stop button 16 are provided at the front end of the pedestal 1. The start button 14, the time relay 15 and the emergency stop button 16 are electrically connected to the cylinder 5. During the entire operation process, the heating temperature of the heating core 10 is adjusted by the heating core temperature controller 13 according to the material of the plastic part and the size of the copper nut. The pressing temperature can be stably input and controlled. The consistency of pressure adjustment is achieved by adjusting the cylinder 5, and the consistency of displacement of the copper nut is achieved each time. With the help of the time relay 15, the loading force and time of the copper nut are consistent each time. The conditions are quantitatively set, the operating conditions are digitized, and manual specific operations are eliminated.

[0024] Both sides of the top of the pressing plate 6 are provided with guide rods 17, and the guide rods 17 movably penetrate the support plate 4. The pressing plate 6 is pushed down by the cylinder 5, so that the heating core 10 is lowered.

[0025] A spring 18 is sleeved on the outer side of the slide rod, and the spring 18 is located between the movable block 9 and the ear plate 8 at the upper end. The cylinder 5 pushes the heating core 10 down, so that the copper nut pressure head enters the copper nut, and the heat generated by the heating core 10 is transferred to the copper nut, and the thrust of the cylinder 5 transfers the pressure to press the heated copper nut into the plastic part. In this process, based on the action of the spring 18, the elastic installation of the movable block 9 and the slide rod is utilized to convert the rigid pressure into a flexible pressure load on the copper nut, and the copper nut is flexibly pressed into the plastic part. The elastic buffer and the stroke of the cylinder 5 are combined to adjust the pressing depth of the copper nut. A protective cover 19 is provided under the ear plate 8 at the lower end, and the protective cover 19 is arranged on the outer side of the lower part of the heating core 10 to protect the heating area safely.

[0026] The front end of the top of the pedestal 1 is provided with a workpiece positioning block 20, and the workpiece positioning block 20 is used to position and place the workpiece. The workpiece positioning block 20 is installed with the pedestal by bolts, which is convenient for changing the position, and the positioning of the plastic part can be adjusted. Embodiment 2

[0027] according to Figure 1 , 2 As shown in FIG. 3 , this embodiment proposes a convenient copper nut press-fitting device, comprising a base 1 and a frame 2, wherein the base 1 is used to place the workpiece, the frame 2 is arranged at the rear end of the top of the base 1, and a guide plate 3 is arranged at the front end of the frame 2, a support plate 4 is arranged above the front end of the guide plate 3, and a cylinder 5 is arranged at the top of the support plate 4;

[0028] A pressure plate 6 is provided at the output end of the cylinder 5, and a side plate 7 is provided at the front end of the bottom of the pressure plate 6, ear plates 8 are provided at the upper and lower sides of both sides of the front end of the side plate 7, and a sliding rod is connected between the adjacent upper and lower ear plates 8, and movable blocks 9 are elastically and movably provided on the sliding rods on both sides, and heating cores 10 are provided on two groups of the movable blocks 9, and a copper nut press head 11 is provided at the lower end of the heating core 10. The device is small in size and lightweight. When in use, two copper nuts are manually pre-installed in the nut pressing holes of the plastic part. After the plastic part is placed on the workpiece positioning block 20 on the pedestal 1, the operator activates the start button 14 with both hands, and pushes the heating core 10 down through the cylinder 5, so that the copper nut pressure head enters the copper nut, and the heat generated by the heating core 10 is transferred to the copper nut, and the thrust of the cylinder 5 transfers the pressure to press the heated copper nut into the plastic part. In this process, the elastic installation of the movable block 9 and the slide rod is coordinated to convert the rigid pressure into a flexible pressure load on the copper nut, and the copper nut is flexibly pressed into the plastic part. The elastic buffer and the stroke of the cylinder 5 are combined to adjust the pressing depth of the copper nut. There is substantial regulation and stabilization for the pressing conditions of the copper nut. After the loading force is loaded on the nut for a preset loading time, the cylinder 5 is retracted, and the plastic part with the copper nut pressed is manually retrieved.

[0029] The front end of the top of the pedestal 1 is provided with a workpiece positioning block 20, and the workpiece positioning block 20 is used to position and place the workpiece. The workpiece positioning block 20 is installed with the pedestal by bolts, which is convenient for changing the position, and the positioning of the plastic part can be adjusted.

[0030] A screw rod 21 is rotatably provided at the middle position of the inner side of the frame 2, and a turntable 22 is provided at the middle position of the top of the frame 2, the turntable 22 is connected to the screw rod 21, and track grooves are provided on both sides of the front end of the frame 2, the guide plate 3 is movably installed with the track grooves, and a nut ring 23 adapted to the screw rod 21 is provided at the middle position of the rear end of the guide plate 3. When in use, the turntable 22 is rotated to drive the screw rod 21 to rotate, and the height of the guide plate 3 on the frame 2 is adjusted in cooperation with the nut ring 23, so as to adapt to different pressing needs.

[0031] The convenient copper nut pressing equipment uses a base 1 to carry the plastic part with pre-installed copper nuts, and pushes the heating core 10 down through the cylinder 5, so that the copper nut pressing head enters the copper nut, and the heat generated by the heating core 10 is transferred to the copper nut, and the thrust of the cylinder 5 transmits the pressure to press the heated copper nut into the plastic part. In this process, the elastic installation of the movable block 9 and the slide rod is coordinated to convert the rigid pressure into flexible pressure to load on the copper nut, and the copper nut is flexibly pressed into the plastic part. The elastic buffer and the stroke of the cylinder 5 are combined to adjust the pressing depth of the copper nut. There is substantial adjustment and stabilization of the pressing conditions of the copper nut, avoiding the results of pure manual operation based on experience, and the product quality stability and consistency are better. During the entire operation of this product, the heating temperature of the heating core 10 is adjusted through the heating core temperature controller 13 according to the material of the plastic part and the size of the copper nut. The pressing temperature can be stably input and controlled, and the pressure adjustment consistency is achieved by adjusting the cylinder 5. The displacement consistency of the copper nut each time is achieved. In conjunction with the action of the time relay 15, the loading force and time of the copper nut are consistent each time. The conditions are quantitatively set, the operating conditions are digitized, and specific manual operations are eliminated, which ultimately stabilizes the product quality and speeds up the production rhythm.

[0032] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A convenient copper nut press-fitting device, comprising a base (1) and a frame (2), characterized in that: The pedestal (1) is used to place the workpiece, the frame (2) is arranged at the rear end of the top of the pedestal (1), and a guide plate (3) is provided at the front end of the frame (2), a support plate (4) is provided above the front end of the guide plate (3), and a cylinder (5) is provided at the top of the support plate (4); The output end of the cylinder (5) is provided with a pressure plate (6), and the front end of the bottom of the pressure plate (6) is provided with a side plate (7), the upper and lower sides of the front end of the side plate (7) are provided with ear plates (8), and the adjacent upper and lower ear plates (8) are connected with a sliding rod, and the sliding rods on both sides are elastically provided with movable blocks (9), and the two groups of movable blocks (9) are provided with heating cores (10), and the lower end of the heating core (10) is provided with a copper nut pressure head (11).

2. A convenient copper nut press-fitting device according to claim 1, characterized in that: A baffle (12) is provided below the front end of the inner side of the frame (2), and heating core temperature controllers (13) are provided on both sides of the rear end of the baffle (12), and the two groups of heating core temperature controllers (13) are electrically connected to the two groups of heating cores (10) respectively.

3. A convenient copper nut press-fitting device according to claim 2, characterized in that: A start button (14), a time relay (15) and an emergency stop button (16) are provided at the front end of the pedestal (1), and the start button (14), the time relay (15) and the emergency stop button (16) are all electrically connected to the cylinder (5).

4. The convenient copper nut press-fitting device according to claim 1 is characterized in that: Guide rods (17) are provided on both sides of the top of the pressing plate (6), and the guide rods (17) movably penetrate the support plate (4).

5. The convenient copper nut press-fitting device according to claim 1 is characterized in that: A spring (18) is sleeved on the outer side of the slide rod, and the spring (18) is located between the movable block (9) and the upper ear plate (8), and a protective cover (19) is provided below the lower ear plate (8), and the protective cover (19) is arranged on the outer side of the lower part of the heating core (10).

6. The convenient copper nut press-fitting device according to claim 1 is characterized in that: A workpiece positioning block (20) is provided at the front end of the top of the pedestal (1), and the workpiece positioning block (20) is used to position and place a workpiece.

7. The convenient copper nut press-fitting device according to claim 1 is characterized in that: A screw rod (21) is rotatably provided at a middle position inside the frame (2), and a turntable (22) is provided at a middle position on the top of the frame (2), the turntable (22) is connected to the screw rod (21), track grooves are provided on both sides of the front end of the frame (2), the guide plate (3) is movably mounted in the track groove, and a nut ring (23) adapted to the screw rod (21) is provided at a middle position at the rear end of the guide plate (3).

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