Automatic edge cutting device for capacitor shell

Abstract

The utility model discloses an automatic edge cutting device for capacitor shells, which belongs to the technical field of machining and is characterized in that two groups of edge cutting grooves with positioning sheets I and positioning sheets II are arranged on a worktable, and a plurality of capacitor shells to be machined are placed in the edge cutting grooves one by one during working; a first driving structure drives a plurality of screws to rotate and drive, due to the fact that a movable sleeve is in threaded connection with the screws, the movable sleeve drives a second positioning piece in front of the movable sleeve to move towards one side of a first positioning piece till the two ends of a capacitor shell are clamped and fixed, and after positioning work is completed, a lifting table is pressed downwards, so that a cutter is attached to the side end wall of the capacitor shell, and the capacitor shell is cut. And at the moment, a second driving structure is used for driving a gear to rotate, a first positioning piece and a second positioning piece are promoted to drive the capacitor shells to rotate, the capacitor shells make contact with the cutter in the rotating process, synchronous and automatic edge cutting is conducted on the multiple capacitor shells at a time, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing, and more specifically to an automatic edge trimming device for a capacitor shell. Background Art

[0002] Capacitors are one of the electronic components used in large quantities in electronic equipment. They are widely used in circuits for DC isolation, AC passing, coupling, bypass, filtering, tuning circuits, energy conversion and control. Before the capacitor shell is processed, the outer edge of the shell needs to be trimmed to improve product quality. At present, the conventional aluminum capacitor trimming process is that workers use simple trimming tools to trim aluminum capacitors one by one. Due to the small size of the capacitor, it is not convenient to hand-hold the trimming operation, and trimming one by one affects the processing efficiency.

[0003] Therefore, we propose an automatic edge cutting device for capacitor casing to solve the above problems. Utility Model Content

[0004] The utility model aims to solve the existing problems. Compared with the existing technology, an automatic trimming device for capacitor shells is provided. Two groups of trimming grooves with positioning pieces one and two are arranged on a workbench. When working, a plurality of capacitor shells to be processed are placed in the trimming grooves one by one. A driving structure one drives a plurality of screws to rotate and drive, so that a movable sleeve drives the positioning piece two in front of it to move toward the positioning piece one side until the two ends of the capacitor shell are clamped and fixed. After the positioning work is completed, the lifting platform is pressed down so that the cutter fits the side end wall of the capacitor shell. At this time, the driving structure two drives the gear to rotate, so that the positioning piece one and the positioning piece two drive the capacitor shell in the middle to rotate. The capacitor shell contacts the cutter during the rotation process, so that the capacitor shell is automatically trimmed in an annular shape.

[0005] The purpose of the utility model can be achieved through the following technical solutions: an automatic trimming device for capacitor housing, comprising a workbench with a base, two groups of trimming grooves are opened on the upper end wall of the workbench, the inner ends of the trimming grooves are rotatably installed with positioning pieces one through a connecting shaft, the inner ends of the trimming grooves close to the outer side are rotatably installed with screws that penetrate the outside of the workbench, the inner ends of the screws are threadedly installed with a moving sleeve, the front end of the moving sleeve is rotatably installed with a positioning piece two that matches the positioning piece one, a sliding plate that is slidably connected to the inner wall of the trimming groove is fixedly nested on the moving sleeve, and a driving structure one for synchronously driving multiple screws is installed on the outer ends of both sides of the workbench;

[0006] The first positioning piece and the outer end wall of the screw are both embedded with an annular rack, the bottom end wall of each trimming groove is provided with a driving groove penetrating to the lower end of the workbench, the bottom end wall of the workbench is rotatably mounted with a gear extending to the driving groove and meshing with the annular rack, and the outer end wall of the workbench is mounted with a driving structure 2 for synchronously driving multiple sets of gears;

[0007] The upper end of the workbench is fixedly mounted with a lifting platform through a plurality of electric push cylinders, and the lower end of the lifting platform is fixedly connected with a plurality of groups of cutting knives corresponding to the positions of the trimming grooves.

[0008] Furthermore, the driving structure includes a plurality of transmission belts fixedly sleeved on the ends of two adjacent screw rods, and a driving motor for rotationally driving one of the screw rods is fixedly mounted on the base.

[0009] Furthermore, the plurality of gears arranged in the front-to-rear direction are fixedly connected by a rotating shaft passing through them, and both ends of the rotating shaft rotate and pass through them to the outside of the workbench.

[0010] Furthermore, the second driving structure includes a plurality of transmission belts 2 fixedly sleeved on the ends of two adjacent rotating shafts, and a transmission belt 2 is fixedly installed on the base, avoiding the first driving motor and rotating with one of the screws.

[0011] Furthermore, the front and rear groups of trimming grooves are both installed with supporting plates that are connected through them, the outer ends of the two supporting plates are both extended to the outside of the workbench and are fixedly connected by L-shaped plates, and the upper end wall of the workbench is fixedly installed with an electric push rod whose telescopic end is connected to the L-shaped plate.

[0012] Furthermore, the supporting plate is provided with a downwardly recessed arc-shaped supporting portion at a position corresponding to the driving groove, and the bottom end wall of the arc-shaped supporting portion is located below the bottom end wall of the positioning piece 1 and the positioning piece 2.

[0013] Compared with the prior art, the advantages of the present invention are:

[0014] (1) This scheme is to set two groups of trimming grooves with positioning piece 1 and positioning piece 2 on the workbench, and the positioning piece 2 is driven horizontally left and right by the screw, the movable sleeve and the driving structure 1. During operation, multiple capacitor shells to be processed are placed one by one in the trimming groove. At this time, according to the length of the capacitor shell, the driving structure 1 drives multiple screws to rotate. Since the movable sleeve is threadedly connected with the screw, the movable sleeve drives the positioning piece 2 in front of it to move toward the positioning piece 1 until the two ends of the capacitor shell are clamped and fixed. After the positioning work is completed, the lifting platform is pressed down so that the cutter fits the side end wall of the capacitor shell. At this time, the driving structure 2 is used to drive the gear to rotate, so that the positioning piece 1 and the positioning piece 2 drive the capacitor shell in the middle to rotate. The capacitor shell contacts the cutter during the rotation process, so that multiple capacitor shells can be automatically trimmed synchronously at one time, thereby improving work efficiency.

[0015] (2) The present scheme also adds a support plate at the bottom of the trimming groove for preliminary support of the capacitor housing. After the capacitor housing is placed, the support plate is driven upward by an electric push rod according to the diameter of the capacitor housing until the lower end surface of the cutter is separated from the bottom end surface of the trimming groove and is kept at the center position of the first and second positioning plates as much as possible. After the positioning plate 2 is moved inward so that the capacitor housing is clamped between the second and first positioning plates, the support plate is reset downward so that the capacitor housing can rotate smoothly with the first and second positioning plates, thereby improving the quality of rotary trimming. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The structure of the utility model is shown in FIG. Figure 1 ;

[0017] Figure 2 The structure of the utility model is shown in FIG. Figure 2 ;

[0018] Figure 3 This is a schematic diagram of the structure of the utility model after removing the lifting platform;

[0019] Figure 4 It is a cross-sectional view of the end of the workbench of the utility model;

[0020] Figure 5 It is a partial enlarged view of the joint of the screw, the movable sleeve and the positioning piece of the utility model;

[0021] Figure 6 It is a schematic diagram of the structure of the utility model after the cutter is lowered.

[0022] Description of the numbers in the figure:

[0023] 1. Workbench; 101. Trimming groove; 2. Positioning piece 1; 3. Screw; 4. Moving sleeve; 5. Positioning piece 2; 6. Sliding plate; 7. Gear; 8. Driving motor 1; 9. Transmission belt 1; 10. Transmission belt 2; 11. Driving motor 2; 12. Rotating shaft; 13. Support plate; 14. Electric push cylinder; 15. Lifting platform; 16. Cutter; 17. Electric push rod; 18. Capacitor housing. DETAILED DESCRIPTION

[0024] The following will combine the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. All other embodiments obtained by ordinary technicians in this field without creative work based on the embodiments in the utility model belong to the scope of protection of the utility model.

[0025] Embodiment 1:

[0026] The utility model discloses an automatic edge trimming device for capacitor housing, see Figure 1-Figure 5 , comprising a workbench 1 with a base, the upper end wall of the workbench 1 is provided with two groups of trimming grooves 101, each group of trimming grooves 101 has a plurality of trimming grooves and is horizontally distributed, the inner ends of the trimming grooves 101 are rotatably mounted with positioning pieces 2 through connecting shafts, the inner ends of the trimming grooves 101 close to the outer sides are rotatably mounted with screws 3 penetrating to the outside of the workbench 1, the inner ends of the screws 3 are threadedly mounted with moving sleeves 4, the front ends of the moving sleeves 4 are rotatably mounted with positioning pieces 2 5 matching the positioning pieces 2, the moving sleeves 4 are fixedly nested with sliding plates 6 that are slidably engaged with the inner walls of the trimming grooves 101, and the outer ends of both sides of the workbench 1 are mounted with driving structures 1 for synchronously driving the plurality of screws 3;

[0027] Specifically, the driving structure 1 includes a plurality of transmission belts 9 fixedly sleeved on the ends of two adjacent screw rods 3, and a driving motor 8 is fixedly installed on the base for rotationally driving one of the screw rods 3. During operation, a plurality of capacitor housings 18 to be processed are placed one by one in the trimming groove 101. At this time, according to the length of the capacitor housing 18, the driving motors 8 on the front and rear sides of the workbench 1 are started, and the driving motors 8 drive multiple groups of transmission belts 9 to be driven synchronously, so that the multiple groups of screw rods 3 are rotated synchronously. Since the movable sleeve 4 is threadedly connected to the screw rod 3, the sliding plate 6 plays a role of moving and limiting the movable sleeve 4, so that the movable sleeve 4 drives the positioning piece 2 5 in front of it to move to the side of the positioning piece 2, and the positioning piece 2 5 and the positioning piece 2 are used to clamp and fix the two ends of the capacitor housing 18, so as to complete the positioning operation of the capacitor housing 18 without manual hand-held positioning.

[0028] See also Figure 4-Figure 5, an annular rack is embedded on the outer end wall of the positioning piece 1 2 and the screw 3, a driving groove is opened on the bottom end wall of each trimming groove 101 and penetrates to the lower end of the workbench 1, a gear 7 extending to the driving groove and meshing with the annular rack is rotatably installed on the bottom end wall of the workbench 1, and a driving structure 2 for synchronously driving multiple groups of gears 7 is installed on the outer end wall of the workbench 1, and multiple gears 7 arranged in the front and rear directions are fixedly connected by a rotating shaft 12, and both ends of the rotating shaft 12 are rotatably penetrated to the outside of the workbench 1;

[0029] Specifically, the driving structure 2 includes a plurality of transmission belts 10 fixedly sleeved on the ends of two adjacent rotating shafts 12, a transmission belt 10 is fixedly installed on the base, which avoids the driving motor 8 and is rotationally driven by one of the screws 3, and electric push cylinders 14 are embedded in the four corners of the upper end of the workbench 1. The telescopic ends of the plurality of electric push cylinders 14 are fixedly connected to a lifting platform 15 located above the workbench 1, and the bottom end of the lifting platform 15 is fixedly connected to a plurality of groups of cutting knives 16 corresponding to the positions of the trimming grooves 101.

[0030] See also Figure 5 , Figure 6 After the positioning work is completed, the lifting platform 15 is pressed down so that the cutter 16 is attached to the side end wall of the capacitor housing 18. At this time, the driving structure 2 is used to drive the gear 7 to rotate. Since the gear 7 is meshed with the annular toothed belts on the positioning piece 1 2 and the positioning piece 2 5, the positioning piece 1 2 and the positioning piece 2 5 drive the capacitor housing 18 in the middle to rotate. The capacitor housing 18 contacts the cutter 16 during the rotation process, realizing automatic annular trimming of multiple capacitor housings 18 at one time, effectively improving work efficiency.

[0031] Embodiment 2:

[0032] In this embodiment, on the basis of the embodiment 1, a supporting plate 13 for initially supporting the capacitor housing 18 is additionally provided at the trimming groove 101, as follows:

[0033] See also Figure 3 , Figure 4 , the front and rear groups of trimming grooves 101 are both installed with supporting plates 13 connected through them, the outer ends of the two supporting plates 13 are both penetrated to the outside of the workbench 1 and are fixedly connected by an L-shaped plate, and the upper end wall of the workbench 1 is fixedly installed with an electric push rod 17 whose telescopic end is connected to the L-shaped plate, and the supporting plate 13 is provided with a downwardly concave arc-shaped supporting portion at a position corresponding to the driving groove, and the bottom end wall of the arc-shaped supporting portion is located below the bottom end wall of the positioning piece 1 2 and the positioning piece 2 5;

[0034] By adding a supporting plate 13 for initially supporting the capacitor housing 18 at the bottom of the trimming groove 101, after placing the capacitor housing 18, the supporting plate 13 is driven upward by the electric push rod 17 according to the diameter of the capacitor housing 18 until the lower end surface of the cutter 16 is separated from the bottom end surface of the trimming groove 101 and is kept at the center position of the positioning piece 1 2 and the positioning piece 2 5 as much as possible, and after the positioning piece 2 5 is moved inward so that the capacitor housing 18 is clamped between the positioning piece 2 5 and the positioning piece 1 2, the supporting plate 13 is reset downward to facilitate the capacitor housing 18 to rotate smoothly with the positioning piece 1 2 and the positioning piece 2 5, thereby improving the quality of rotary trimming.

[0035] The working process and principle of the utility model are as follows:

[0036] First, multiple capacitor housings 18 to be processed are placed one by one in the trimming groove 101, and the bottom end of the capacitor housing 18 contacts the upper end surface of the arc-shaped supporting portion on the supporting plate 13. At this time, according to the length of the capacitor housing 18, the driving structure 1 drives multiple screws 3 to rotate and drive. Since the movable sleeve 4 is threadedly connected with the screw 3, the movable sleeve 4 drives the positioning piece 2 5 in front of it to move toward the side of the positioning piece 1 2, and the positioning piece 2 5 and the positioning piece 1 2 are used to clamp and fix the two ends of the capacitor housing 18. After the positioning work is completed, the supporting plate 13 is reset downward, and the supporting portion is separated from the lower end surface of the capacitor housing 18;

[0037] The lifting platform 15 is pressed down to make the cutter 16 fit the side end wall of the capacitor housing 18. At this time, the driving structure 2 is used to drive the gear 7 to rotate. Since the gear 7 is meshed with the annular toothed belts on the positioning piece 1 2 and the positioning piece 2 5, the positioning piece 1 2 and the positioning piece 2 5 drive the capacitor housing 18 in the middle to rotate. The capacitor housing 18 contacts the cutter 16 during the rotation process, thereby realizing the automatic circular cutting of the capacitor housing 18.

[0038] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to them. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the utility model according to the technical solution and improved ideas of the utility model, which should be included in the protection scope of the utility model.

Claims

1. An automatic trimming device for a capacitor housing, comprising a workbench (1) with a base, characterized in that: The upper end wall of the workbench (1) is provided with two groups of trimming grooves (101), the inner ends of the trimming grooves (101) are rotatably mounted with positioning pieces (2) via connecting shafts, the inner ends of the trimming grooves (101) close to the outer sides are rotatably mounted with screws (3) penetrating to the outside of the workbench (1), the inner ends of the screws (3) are threadedly mounted with moving sleeves (4), the front ends of the moving sleeves (4) are rotatably mounted with positioning pieces (5) matching the positioning pieces (2), the moving sleeves (4) are fixedly nested with sliding plates (6) slidably engaged with the inner walls of the trimming grooves (101), and the outer ends of both sides of the workbench (1) are mounted with driving structures (1) for synchronously driving a plurality of screws (3); Annular racks are embedded on the outer end walls of the positioning piece 1 (2) and the screw rod (3); a driving groove extending through the lower end of the workbench (1) is opened on the bottom end wall of each trimming groove (101); a gear (7) extending to the driving groove and meshingly connected with the annular rack is rotatably mounted on the bottom end wall of the workbench (1); a driving structure 2 for synchronously driving multiple groups of gears (7) is mounted on the outer end wall of the workbench (1); a lifting platform (15) is fixedly mounted on the upper end of the workbench (1) via multiple electric push cylinders (14); and multiple groups of cutters (16) corresponding to the positions of the trimming grooves (101) are fixedly connected to the bottom end of the lifting platform (15).

2. The automatic edge trimming device for capacitor housing according to claim 1, characterized in that: The driving structure comprises a plurality of transmission belts (9) fixedly sleeved on the ends of two adjacent screw rods (3), and a driving motor (8) for rotationally driving one of the screw rods (3) is fixedly mounted on the base.

3. The automatic edge trimming device for capacitor housing according to claim 1, characterized in that: The plurality of gears (7) arranged in the front-to-rear direction are fixedly connected by a rotating shaft (12) passing through the rotating shaft (12), and both ends of the rotating shaft (12) are rotated and passed through the outside of the workbench (1).

4. The automatic edge trimming device for capacitor housing according to claim 1, characterized in that: The second driving structure comprises a plurality of transmission belts (10) fixedly sleeved on the ends of two adjacent rotating shafts (12), and the second transmission belt (10) is fixedly mounted on the base and avoids the first driving motor (8) and is rotationally driven by one of the screw rods (3).

5. The automatic edge trimming device for capacitor casing according to claim 1, characterized in that: A through-connected supporting plate (13) is installed in both the front and rear groups of the trimming grooves (101); the outer ends of the two supporting plates (13) extend through the outside of the workbench (1) and are fixedly connected via an L-shaped plate; an electric push rod (17) whose telescopic end is connected to the L-shaped plate is fixedly installed on the upper end wall of the workbench (1).

6. The automatic edge trimming device for capacitor housing according to claim 5, characterized in that: The supporting plate (13) is provided with a downwardly recessed arc-shaped supporting portion at a position corresponding to the driving groove, and the bottom end wall of the arc-shaped supporting portion is located below the bottom end wall of the positioning piece 1 (2) and the positioning piece 2 (5).

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