Air pressure type DR rectifier bridge assembling tool

Abstract

The utility model relates to the technical field of rectifier bridge assembly, in particular to an air pressure type DR rectifier bridge assembly tool which comprises a bottom plate and a cylinder, the cylinder is fixedly connected to the top end of the bottom plate, a positioning seat is fixed to the top end of the cylinder, a positioner is placed at the top end of the cylinder, a connecting piece is arranged in the positioner, two sides of the connecting piece are respectively provided with a set of sliding blocks, and the sliding blocks are connected with the cylinder. The two sides of the bottom plate are fixedly connected with bases, the top ends of the bases are fixedly connected with air cylinders, and piston rods are arranged at the output ends of the air cylinders. According to the air pressure type DR rectifier bridge assembling tool, the air cylinders are arranged, the traditional mode that a flat W-shaped connecting piece is punched through hand pulling is abandoned, two sets of air cylinders are adopted for pneumatic positioning, the connecting piece cannot shake or deviate in a positioner, the efficiency of positioning the connecting piece is improved, workers can operate the tool through simple training, and the labor intensity of workers is lowered. And the operation risk of the hand is reduced, the safety is higher, and the problem that manual positioning machining is needed is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of rectifier bridge assembly, in particular to a pneumatic DR rectifier bridge assembly tool. Background Art

[0002] DR rectifier bridge is an electronic component used to convert AC power into DC power. It is widely used in power electronic equipment. The assembly of rectifier bridge mainly includes welding and fixing the W-type connecting piece to the rectifier bridge chip to ensure good electrical contact between the connecting piece and the chip. During the assembly process, the fixing of the connecting piece is a key step, which requires high-precision positioning and fixing to ensure the performance and stability of the rectifier bridge.

[0003] The DR rectifier bridge assembly tooling currently on the market mainly relies on manually fixing the W-shaped connector, which has multiple defects. First, manual fixing can easily lead to inaccurate positioning, and the connector may shake or shift, affecting the electrical contact quality of the rectifier bridge. Second, manual operation is complicated, requiring workers to have high operating skills and high training costs. In addition, manual operation has certain safety risks, and workers are prone to injury during the fixing process.

[0004] Therefore, there is an urgent need for pneumatic DR rectifier bridge assembly tooling to solve the above-mentioned technical defects. Utility Model Content

[0005] The purpose of the utility model is to provide a pneumatic DR rectifier bridge assembly tool to solve the problem of manual positioning, processing and assembly proposed in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pneumatic DR rectifier bridge assembly tool, comprising a base plate and a cylinder, the top of the base plate is fixedly connected to the cylinder, the top of the cylinder is fixedly provided with a positioning seat, the top of the cylinder is placed with a positioner, a connecting piece is arranged in the positioner, a group of sliders are arranged on each side of the connecting piece, the two sides of the base plate are fixedly connected to the base, the top of the base is fixedly connected to the cylinder, the output end of the cylinder is provided with a piston rod, the end of the piston rod is installed with a connector, and the connector is fixedly connected to the slider.

[0007] Preferably, the connector and the slider are fixed by screws.

[0008] Preferably, the sliding blocks are symmetrically arranged on both sides of the connecting piece, a sliding groove is provided on the top of the base, and the bottom end of the sliding block is embedded in the sliding groove for sliding.

[0009] Preferably, a groove is formed on a side of the sliding block close to the connecting piece, and the groove matches the shape of the connecting piece.

[0010] Preferably, an inner cavity is opened in the bottom plate, a servo motor is fixedly connected in the inner cavity, a first gear is fixedly connected to the output shaft of the servo motor, a second gear is meshingly connected to the bottom end of the first gear, a rotating rod is fixedly sleeved in the second gear, a group of screws are fixedly connected on the left and right sides of the rotating rod, a limiting ring is sleeved on the outside of the cylinder, a circular groove is opened in the limiting ring, and the circular groove is nested and connected to the cylinder.

[0011] Preferably, two groups of threaded blocks are respectively sleeved on the outside of the screw rod, a movable frame is hinged on the top of the threaded block, a connecting rod is hinged on the top of the movable frame, a top rod is fixedly assembled inside the connecting rod, and the limiting ring is fixedly connected to the connecting rod.

[0012] Preferably, the screws are provided in two groups and have external threads in the same direction.

[0013] Preferably, the push rod is assembled in the connecting rod, and a plurality of groups of multi-position locking holes are distributed in the push rod, and locking bolts are fixedly connected between the connecting rod and the push rod in the multi-position locking holes.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the pneumatic DR rectifier bridge assembly tooling not only improves the efficiency of positioning the connecting piece, has low training cost, high safety, realizes automatic unloading, reduces the time consumed by manual material collection, and has a faster unloading speed, but also realizes strong adjustability and high flexibility;

[0015] (1) By providing a cylinder, a piston rod, and a positioner, the tooling abandons the traditional method of punching a flat W-shaped connecting piece by hand, and adopts two sets of cylinders. By starting the cylinder, the piston rod is directly extended, driving the two sets of slides to slide in the slide groove, thereby clamping the two sides of the connecting piece, so that the connecting piece cannot shake or deviate in the positioner. This not only improves the efficiency of positioning the connecting piece, but also allows workers to operate it with simple training, reducing the risk of hand operation and making it safer;

[0016] (2) A servo motor, a first gear, a second gear, a threaded block, a movable frame, and a push rod are provided. After the W-shaped connecting piece is processed, the two sets of sliders are reset and retracted, and the servo motor is started. The first gear drives the second gear meshing with it to rotate, and the rotating rod drives the two sets of screws to rotate synchronously in the same direction. The threaded blocks on the same side move relatively, and the angles of the two sets of movable frames change. The push rod pushes up and pushes the connecting piece out of the positioner from the serrated gap below the positioner, thereby realizing automatic unloading, reducing the time consumed by manual material removal, and increasing the unloading speed;

[0017] (3) The connecting rod, the ejector rod, and the multi-position locking holes are provided. The connecting rod and the ejector rod are designed to be assembled. The position of the ejector rod can be fixed and adjusted through multiple sets of multi-position locking holes, thereby adjusting the height of the connecting piece to be ejected. The device has strong adjustability and high flexibility. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0019] Figure 2 This is a schematic diagram of the top view structure of the slider of the utility model;

[0020] Figure 3 This is a front view structural diagram of the connecting rod of the utility model;

[0021] Figure 4 It is a side view structural schematic diagram of the connecting rod of the utility model.

[0022] In the figure: 1. connecting plate; 2. positioner; 3. slider; 4. connector; 5. piston rod; 6. cylinder; 7. base; 8. slide groove; 9. bottom plate; 10. inner cavity; 11. limit ring; 12. circular groove; 13. cylinder; 14. positioning seat; 15. push rod; 16. locking bolt; 17. connecting rod; 18. movable frame; 19. threaded block; 20. screw; 21. second gear; 22. rotating rod; 23. servo motor; 24. first gear; 25. multi-position locking hole. DETAILED DESCRIPTION

[0023] The following will be combined with 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 of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Example 1: Please refer to Figure 1-4 , the pneumatic DR rectifier bridge assembly tooling includes a base plate 9 and a cylinder 13, the top of the base plate 9 is fixedly connected to the cylinder 13, the top of the cylinder 13 is fixedly provided with a positioning seat 14, the top of the cylinder 13 is placed with a positioner 2, a connecting piece 1 is arranged in the positioner 2, a group of sliders 3 are arranged on both sides of the connecting piece 1, the two sides of the base plate 9 are fixedly connected to the base 7, the top of the base 7 is fixedly connected to the cylinder 6, the output end of the cylinder 6 is provided with a piston rod 5, the end of the piston rod 5 is installed with a connector 4, the connector 4 is fixedly connected to the slider 3, the connector 4 and the slider 3 are fixed by screws, the sliders 3 are symmetrically arranged on both sides of the connecting piece 1, a slide groove 8 is provided on the top of the base 7, the bottom end of the slider 3 is embedded in the slide groove 8 and slides, and a groove is provided on the side of the slider 3 close to the connecting piece 1, and the groove matches the shape of the connecting piece 1;

[0025] Specifically, Figure 1 and Figure 2As shown, the tooling abandons the traditional method of manually punching a flat W-shaped connecting piece 1, and adopts two groups of cylinders 6. By starting the cylinders 6, the piston rod 5 is directly extended, driving the two groups of sliders 3 to slide in the slide groove 8, thereby clamping the two sides of the connecting piece 1, so that the connecting piece 1 cannot shake or shift in the positioner 2.

[0026] Embodiment 2: An inner cavity 10 is provided in the bottom plate 9, a servo motor 23 is fixedly connected in the inner cavity 10, a first gear 24 is fixedly connected to the output shaft of the servo motor 23, a second gear 21 is meshedly connected to the bottom end of the first gear 24, a rotating rod 22 is fixedly sleeved in the second gear 21, a group of screws 20 are fixedly connected to the left and right sides of the rotating rod 22, a limiting ring 11 is sleeved on the outside of the cylinder 13, a circular groove 12 is provided in the limiting ring 11, the circular groove 12 is nested and connected with the cylinder 13, two groups of threaded blocks 19 are sleeved on the outside of the screw 20, a movable frame 18 is hinged on the top of the threaded block 19, a connecting rod 17 is hinged on the top of the movable frame 18, a top rod 15 is fixedly assembled in the connecting rod 17, the limiting ring 11 is fixedly connected to the connecting rod 17, two groups of screws 20 are provided and the external threads are in the same direction;

[0027] Specifically, Figure 1 , Figure 3 and Figure 4 As shown, after the W-shaped connecting piece 1 is processed, the two sets of sliders 3 are reset and retracted, and the servo motor 23 is started. The second gear 21 meshing with the first gear 24 is driven to rotate, and the rotating rod 22 drives the two sets of screws 20 to rotate synchronously in the same direction. The threaded blocks 19 on the same side move relatively, and the angles of the two sets of movable frames 18 change. The push rod 15 pushes up, and the connecting piece 1 is pushed out of the positioner 2 from the serrated gap below the positioner 2, thereby realizing automatic unloading.

[0028] Embodiment 3: The push rod 15 is assembled in the connecting rod 17, and a plurality of groups of multi-position locking holes 25 are distributed in the push rod 15. The connecting rod 17 and the push rod 15 are fixedly connected with locking bolts 16 in the multi-position locking holes 25;

[0029] Specifically, Figure 1 and Figure 4 As shown, the connecting rod 17 and the ejector rod 15 are of assembled design, and the position of the ejector rod 15 can be fixed and adjusted through multiple sets of multi-position locking holes 25, thereby adjusting the height of the connecting piece 1 being ejected.

[0030] Working principle: When the utility model is in use, first, the connecting piece 1 is placed in the positioner 2, and the connecting piece 1 is adapted to the shape of the positioner 2, and then the cylinder 6 is started, and the piston rod 5 is directly extended to drive the two groups of sliders 3 to slide in the slide groove 8, thereby clamping the two sides of the connecting piece 1, so that the connecting piece 1 cannot shake or shift in the positioner 2, and the connecting piece 1 is processed. After the processing is completed, the two groups of sliders 3 are reset and retracted, and the servo motor 23 is started. The second gear 21 meshing with it is driven to rotate through the first gear 24, and the rotating rod 22 drives the two groups of screws 20 to rotate synchronously in the same direction, and the threaded blocks 19 on the same side move relatively, the angles of the two groups of movable frames 18 change, and the push rod 15 pushes up, and the connecting piece 1 is pushed out of the positioner 2 from the serrated gap below the positioner 2 to realize automatic unloading.

[0031] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A pneumatic DR rectifier bridge assembly tool, comprising a base plate (9) and a cylinder (13), characterized in that: A cylinder (13) is fixedly connected to the top of the bottom plate (9), a positioning seat (14) is fixed to the top of the cylinder (13), a positioner (2) is placed on the top of the cylinder (13), a connecting plate (1) is arranged inside the positioner (2), a group of sliders (3) are arranged on both sides of the connecting plate (1), a base (7) is fixedly connected to the top of the bottom plate (9), a cylinder (6) is fixedly connected to the top of the base (7), a piston rod (5) is arranged at the output end of the cylinder (6), a connector (4) is installed at the end of the piston rod (5), and the connector (4) is fixedly connected to the slider (3).

2. The pneumatic DR rectifier bridge assembly tool according to claim 1 is characterized in that: The connecting head (4) and the sliding block (3) are fixed by screws.

3. The pneumatic DR rectifier bridge assembly tool according to claim 1 is characterized in that: The sliders (3) are symmetrically arranged on both sides of the connecting piece (1); a slide groove (8) is provided on the top of the base (7); and the bottom end of the slider (3) is embedded in the slide groove (8) for sliding.

4. The pneumatic DR rectifier bridge assembly tool according to claim 1 is characterized in that: The sliding block (3) is provided with a groove on one side close to the connecting piece (1), and the groove matches the shape of the connecting piece (1).

5. The pneumatic DR rectifier bridge assembly tool according to claim 1 is characterized in that: An inner cavity (10) is provided in the bottom plate (9), a servo motor (23) is fixedly connected in the inner cavity (10), a first gear (24) is fixedly connected to the output shaft of the servo motor (23), a second gear (21) is meshedly connected at the bottom end of the first gear (24), a rotating rod (22) is fixedly sleeved in the second gear (21), a group of screw rods (20) are fixedly connected to the left and right sides of the rotating rod (22), a limiting ring (11) is sleeved on the outside of the cylinder (13), a circular groove (12) is provided in the limiting ring (11), and the circular groove (12) is nested and connected with the cylinder (13).

6. The pneumatic DR rectifier bridge assembly tool according to claim 5 is characterized in that: Two groups of threaded blocks (19) are respectively sleeved on the outside of the screw rod (20), a movable frame (18) is hinged on the top of the threaded block (19), a connecting rod (17) is hinged on the top of the movable frame (18), a top rod (15) is fixedly installed inside the connecting rod (17), and the limiting ring (11) is fixedly connected to the connecting rod (17).

7. The pneumatic DR rectifier bridge assembly tool according to claim 5 is characterized in that: The screw rods (20) are provided in two groups and have external threads in the same direction.

8. The pneumatic DR rectifier bridge assembly tool according to claim 6, characterized in that: The push rod (15) is assembled in the connecting rod (17), and a plurality of groups of multi-position locking holes (25) are distributed in the push rod (15). A locking bolt (16) is fixedly connected between the connecting rod (17) and the push rod (15) in the multi-position locking holes (25).

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