Welding head fixing device of servo ultrasonic welding machine

Abstract

The utility model relates to the field of servo ultrasonic welding machines, and discloses a welding head fixing device of a servo ultrasonic welding machine, which comprises a main body, an amplitude-change pole and a welding head, the bottom end of the amplitude-change pole is provided with a mounting assembly, the mounting assembly comprises a connecting rod, the bottom end of the connecting rod is provided with an inserting groove, and the inserting groove is connected with the welding head. A mounting rod is fixedly connected to the top end of the welding head, limiting clamping blocks are symmetrically and fixedly connected to the left outer wall and the right outer wall of the upper end of the mounting rod, guiding clamping grooves are symmetrically formed in the front portion and the rear portion of the bottom end of the connecting rod, and arc-shaped clamping grooves are formed in the positions, close to the upper portions of the guiding clamping grooves, of the bottom end of the connecting rod. According to the welding head fixing device, after the limiting clamping block is fixed to the outer wall of the mounting rod and clamped into the arc-shaped clamping groove from the guide clamping groove, the limiting clamping block and the mounting rod are clamped and fixed in cooperation with resetting of the limiting block, then the welding head can be quickly mounted and fixed, operation is convenient, quick and labor-saving, and then the replacement and maintenance efficiency and the machining efficiency of the welding head are improved.

Description

Technical Field

[0001] This utility model relates to the field of servo ultrasonic welding machines, and in particular to a welding head fixing device for a servo ultrasonic welding machine. Background Technology

[0002] A servo ultrasonic welding machine is a device that uses high-frequency vibration waves for welding. It typically uses a servo system to precisely control the movement and positioning of the welding head to achieve efficient and accurate welding operations. As a key component in an ultrasonic welding machine, the stable installation of the welding head directly affects the stability and quality of the welding.

[0003] In traditional ultrasonic welding machines, the welding head is often fixed in a simple way, usually by bolt thread installation. However, thread installation requires continuous rotation of the welding head, which is laborious due to its weight. Furthermore, the threads need to be precisely aligned to ensure smooth screwing, making the installation process cumbersome. To address these issues, a welding head fixing device for a servo ultrasonic welding machine is proposed. Summary of the Invention

[0004] To overcome the above shortcomings, this utility model provides a welding head fixing device for a servo ultrasonic welding machine, which aims to improve the problem in the prior art that "threaded installation is inconvenient and requires precise alignment to ensure the threads can be screwed in smoothly, making installation cumbersome and laborious".

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a welding head fixing device for a servo ultrasonic welding machine, comprising a main body, an amplitude transformer, and a welding head. An installation assembly is provided at the bottom end of the amplitude transformer. The installation assembly includes a connecting rod, and a insertion groove is provided at the bottom end of the connecting rod. An installation rod is fixedly connected to the top end of the welding head. Limiting blocks are symmetrically fixedly connected to the left and right outer walls of the upper end of the installation rod. Guide grooves are symmetrically provided at the front and rear ends of the bottom end of the connecting rod. An arc-shaped groove is provided above the guide groove at the bottom end of the connecting rod. A guide groove is provided through the inner wall of the arc-shaped groove near the right rear of the guide groove. A limiting block is slidably connected to the inner wall of the insertion groove. Two sets of limiting blocks are provided, and the two sets of limiting blocks are fixedly connected by a fixing block fixedly connected at their top ends. A guide rod is fixedly connected to the outer wall of the limiting block. A limiting groove is provided on the inner wall of the connecting rod above the guide groove and the arc-shaped groove.

[0006] As a further description of the above technical solution:

[0007] The outer wall of the connecting rod is provided with a positioning component, which includes a positioning groove formed on the outer wall of the connecting rod and a positioning ring slidably connected to the inner wall of the positioning groove.

[0008] As a further description of the above technical solution:

[0009] The mounting rod is movably engaged with the inner wall of the insertion slot, and a fixing ring is fixedly connected to the outer wall of the mounting rod below the limiting block. The top of the fixing block is elastically connected to the connecting rod by a spring.

[0010] As a further description of the above technical solution:

[0011] The connecting rod is fixedly connected to the bottom end of the amplitude transformer. The two sets of limiting blocks are adapted to the two sets of guide slots and are correspondingly movably inserted into their inner walls. The arc-shaped slot is set in an arc shape and is connected to the guide slot. The other end of the arc-shaped slot extends one-quarter away from the guide slot in an arc shape.

[0012] As a further description of the above technical solution:

[0013] One end of the spring is fixedly connected to the top of the fixing block, and the other end of the spring is fixedly connected to the top of the inner wall of the insertion slot. The guide rod is slidably connected to the inner wall of the guide groove, and the limiting block is slidably connected to the inner wall of the limiting groove.

[0014] As a further description of the above technical solution:

[0015] The positioning ring is configured as a circular ring, and the bottom end of the front surface of the positioning ring is provided with a movable groove that slides and engages with the guide rod.

[0016] As a further description of the above technical solution:

[0017] The bottom of the front surface of the positioning ring is provided with a blocking groove on the right side of the moving groove, which is movably engaged with the guide rod. An elastic sheet is fixedly connected to the inner wall of the positioning ring near the left rear of the moving groove.

[0018] As a further description of the above technical solution:

[0019] The outer wall of the positioning groove is provided with a circular groove 1 below the positioning groove and to the left of the guide groove, which engages with the elastic sheet. The outer wall of the connecting rod is provided with a circular groove 2 to be movably engaged with the elastic sheet, located to the left rear of the circular groove 1.

[0020] This utility model has the following beneficial effects:

[0021] 1. In this utility model, by setting a connecting rod and setting an installation component inside the connecting rod, after the fixed limiting block on the outer wall of the installation rod is inserted into the arc-shaped groove from the guide groove, the limiting block and the installation rod are locked and fixed in coordination with the reset of the limiting block, so that the welding head can be quickly installed and fixed. The operation is convenient, quick and labor-saving, thereby improving the efficiency of welding head replacement and maintenance and processing efficiency.

[0022] 2. In this utility model, by setting a positioning component on the outer wall of the connecting rod, the positioning ring rotates and drives the blocking groove to rotate to the top surface of the guide rod, thereby limiting the guide rod. At the same time, the positioning ring can be limited by the elastic sheet in conjunction with the first and second circular grooves, thereby improving the stability of the guide rod and the limiting block, further improving the stability of the welding head connection and installation, and thus improving the processing quality. Attached Figure Description

[0023] Figure 1 This is a three-dimensional structural diagram of the overall device in this utility model;

[0024] Figure 2 This is a three-dimensional cross-sectional diagram of the positioning ring in this utility model.

[0025] Figure 3 This is a three-dimensional cross-sectional view of the connecting rod in this utility model;

[0026] Figure 4 This is a three-dimensional structural diagram of the connecting rod, limiting block, and limiting block in this utility model.

[0027] Figure 5 This is a three-dimensional structural breakdown diagram of the mounting rod, limiting block, and guide groove in this utility model;

[0028] Figure 6 This is a bottom view showing the three-dimensional structure of the connecting rod, limiting block, mounting rod, and limiting clip in this utility model.

[0029] Legend:

[0030] 1. Main body; 2. Amplitude bar; 3. Welding head; 4. Positioning ring; 31. Connecting rod; 32. Guide rod; 33. Guide groove; 34. Guide slot; 35. Fixing ring; 36. Mounting rod; 37. Limiting block; 38. Arc-shaped slot; 39. Limiting block; 310. Fixing block; 311. Spring; 312. Limiting slide; 41. Positioning groove; 42. Blocking groove; 43. Circular groove one; 44. Circular groove two; 45. Elastic sheet; 46. Moving groove. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] Reference Figure 1 , Figure 5 and Figure 6This utility model provides an embodiment of a welding head fixing device for a servo ultrasonic welding machine, comprising a main body 1, an amplitude transformer 2, and a welding head 3. The main body 1 is the body of the servo ultrasonic welding machine. The amplitude transformer 2 is mounted on the main body 1, and the welding head 3 is mounted on the bottom end of the amplitude transformer 2. The bottom end of the amplitude transformer 2 is provided with a mounting assembly for easy installation and removal of the welding head 3. The mounting assembly includes a connecting rod 31 that provides support and mounting. The bottom end of the connecting rod 31 has an insertion groove for inserting a mounting rod 36. The top end of the welding head 3... The mounting rod 36 is fixedly connected to the welding head 3. The upper end of the mounting rod 36 has symmetrically fixedly connected limiting blocks 39 that fit into the arc-shaped groove 38 to install the mounting rod 36 and the welding head 3. The bottom end of the connecting rod 31 has symmetrically opened guide grooves 34 for inserting the limiting blocks 39. The bottom end of the connecting rod 31 has an arc-shaped groove 38 above the guide groove 34 near the guide groove 34. After the limiting blocks 39 are locked into the right inner wall of the arc-shaped groove 38, they can be reset with the limiting block 37 to limit them.

[0033] Furthermore, the inner wall of the arc-shaped slot 38 extends through the right rear of the guide slot 34 and is provided with a guide groove 33 to provide space for the guide rod 32 to move. The inner wall of the insertion slot is slidably connected with a limiting block 37 that limits the limiting block 39 to the right inner wall of the arc-shaped slot 38. The limiting block 37 is provided with two sets, and the two sets of limiting blocks 37 are fixedly connected by a fixing block 310 that is fixedly connected at the top. The outer wall of the limiting block 37 is fixedly connected with a guide rod 32 that drives the limiting block 37 to move. The inner wall of the connecting rod 31 is provided with a limiting groove 312 above the guide slot 34 and the arc-shaped slot 38 to provide space for the positioning limiting block 37 to slide. The outer wall of the limiting block 37 is fixed with a protrusion that matches the groove, so that the limiting block 37 can only move up and down and cannot rotate.

[0034] Reference Figure 1 and Figure 2 The outer wall of the connecting rod 31 is provided with a positioning component that limits the guide rod 32. The positioning component includes a positioning groove 41 formed on the outer wall of the connecting rod 31 and a positioning ring 4 slidably connected to the inner wall of the positioning groove 41. The positioning groove 41 supports the positioning ring 4.

[0035] Reference Figure 3 , Figure 4 and Figure 6The mounting rod 36 is movably engaged with the inner wall of the insertion slot. A fixing ring 35, which limits the insertion depth of the mounting rod 36, is fixedly connected to the outer wall of the mounting rod 36 below the limiting block 39. By limiting the insertion depth of the mounting rod 36, the limiting block 39 can be accurately aligned with the arc-shaped groove 38. The top of the fixing block 310 is elastically connected to the connecting rod 31 via a spring 311. The spring 311 allows the limiting block 37 to quickly reset, thereby quickly engaging the limiting block 39 into the right inner wall of the arc-shaped groove 38 for limiting. The connecting rod 31 is fixedly connected to the bottom end of the amplitude transformer 2. Two sets of limiting blocks 39 are adapted to and correspondingly engaged with two sets of guide grooves 34 on their inner walls. The limiting blocks 39 are connected to the guide grooves... Insert 34 into the arc-shaped slot 38. The arc-shaped slot 38 is set in an arc shape and is connected to the guide slot 34. After the limiting block 39 is inserted through the guide slot 34, rotating the mounting rod 36 can make the limiting block 39 rotate along the inner wall of the arc-shaped slot 38 to the right. Then, the limiting block 37 resets downward to limit the limiting block 39. The other end of the arc-shaped slot 38 extends one-quarter away from the guide slot 34 in an arc shape. One end of the spring 311 is fixedly connected to the top of the fixing block 310, and the other end of the spring 311 is fixedly connected to the top of the inner wall of the insertion slot. The guide rod 32 is slidably connected to the inner wall of the guide groove 33, and the limiting block 37 is slidably connected to the inner wall of the limiting slide groove 312.

[0036] Reference Figure 1 and Figure 2 The positioning ring 4 is circular in shape, allowing it to fit and rotate within the positioning groove 41 and provide support. The bottom of the front surface of the positioning ring 4 has a sliding groove 46 that engages with the guide rod 32, providing space for the guide rod 32 to slide upwards. The bottom of the front surface of the positioning ring 4, located to the right of the sliding groove 46, has a blocking groove 42 that engages with the guide rod 32. Rotating the blocking groove 42 to the top surface of the guide rod 32 limits its upward movement. The inner wall of the positioning ring 4, near the left rear of the sliding groove 46, is fixedly connected to two grooves, 43 and 44, which cooperate to limit the positioning ring 4. The elastic sheet 45 has elastic force. The outer wall of the positioning groove 41 is located below the positioning groove 41 and to the left of the guide groove 33. A circular groove 43 is formed to engage with the elastic sheet 45. When the elastic sheet 45 is engaged in the circular groove 43, the guide rod 32 slides on the inner wall of the moving groove 46. At this time, the guide rod 32 can move upward. The outer wall of the connecting rod 31 is located near the left rear of the circular groove 43. A circular groove 44 is formed to engage with the elastic sheet 45. When the elastic sheet 45 is engaged in the circular groove 44, the corresponding blocking groove 42 stops and limits the guide rod 32 on the top surface of the guide rod 32, thus limiting the guide rod 32. At this time, the guide rod 32 cannot move upward.

[0037] Working principle: In use, firstly, rotate the positioning ring 4 to align the elastic piece 45 of the positioning ring 4 with the circular groove 43 and insert it. At this time, the guide rod 32 can slide freely in the moving groove 46. Then, insert the mounting rod 36 at the top of the welding head 3 into the insertion groove at the bottom of the connecting rod 31. At the same time, the limiting block 39 on the outer wall of the mounting rod 36 is aligned with the guide groove 34 and inserted. At this time, the upward movement of the mounting rod 36 will push the limiting block 37 to compress the spring 311 and rise. After it is inserted into the fixing ring 35 and contacts the bottom of the connecting rod 31, the fixing ring 35 on the outer wall of the mounting rod 36 can limit the depth of insertion of the mounting rod 36. The limit block 39 is accurately aligned with the arc-shaped groove 38. At this time, the limit block 39 is aligned with the arc-shaped groove 38. Then, the mounting rod 36 is rotated, and the limit block 39 will rotate along the inner wall of the arc-shaped groove 38. When the limit block 39 rotates to the right inner wall of the arc-shaped groove 38, the limit block 37 releases the upward pushing force of the mounting rod 36. Under the action of the spring 311, the limit block 37 quickly resets and moves downward, locking the limit block 39 between the limit block 37 and the right inner wall of the arc-shaped groove 38. The limit block 39, the mounting rod 36 and the welding head 3 are quickly and initially fixed and installed.

[0038] After the welding head 3 is installed, rotate the positioning ring 4 so that the blocking groove 42 at the bottom of the front surface of the positioning ring 4 rotates to the top surface of the guide rod 32. During the rotation, the elastic piece 45 will disengage from the first circular groove 43. When the blocking groove 42 is accurately aligned with the top of the guide rod 32, the elastic piece 45 will be stuck in the second circular groove 44 to limit the positioning ring 4. At this time, the blocking groove 42 limits the guide rod 32, preventing it from moving upward, thereby improving the stability of the guide rod 32 and the limiting block 37, further stabilizing the connection and installation of the welding head 3, and improving the processing quality.

[0039] During disassembly, rotate the positioning ring 4 in the reverse direction to disengage the elastic piece 45 from the second circular groove 44 and insert it into the first circular groove 43. At this time, the guide rod 32 is no longer blocked and can move upward. Push the guide rod 32 upward to drive the limit block 37 to rise and release the limit on the limit block 39. Then rotate the mounting rod 36 in the reverse direction to rotate the limit block 39 along the arc-shaped groove 38 to the guide groove 34. Finally, pull the mounting rod 36 out of the insertion groove, and at the same time, the limit block 39 slides out from the guide groove 34, thus completing the disassembly of the welding head 3. The operation is convenient.

[0040] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A welding head fixing device for a servo ultrasonic welding machine, comprising a main body (1), an amplitude transformer (2), and a welding head (3), characterized in that: The bottom end of the amplitude transformer (2) is provided with an installation assembly, which includes a connecting rod (31). The bottom end of the connecting rod (31) is provided with a insertion groove. The top end of the welding head (3) is fixedly connected with an installation rod (36). The upper end of the installation rod (36) is symmetrically connected with limit blocks (39) on both the left and right outer walls. The bottom end of the connecting rod (31) is symmetrically provided with guide grooves (34) on both the front and back. The bottom end of the connecting rod (31) is provided with an arc-shaped groove (38) above the guide groove (34). The inner wall of the arc-shaped slot (38) passes through the right rear of the guide slot (34) and has a guide groove (33). The inner wall of the insertion slot is slidably connected to a limiting block (37). The limiting block (37) is provided in two sets and the two sets of limiting blocks (37) are fixedly connected by a fixing block (310) fixedly connected at the top. The outer wall of the limiting block (37) is fixedly connected to a guide rod (32). The inner wall of the connecting rod (31) is provided with a limiting groove (312) above the guide slot (34) and the arc-shaped slot (38).

2. The welding head fixing device of a servo ultrasonic welding machine according to claim 1, characterized in that: The outer wall of the connecting rod (31) is provided with a positioning component, which includes a positioning groove (41) formed on the outer wall of the connecting rod (31) and a positioning ring (4) slidably connected to the inner wall of the positioning groove (41).

3. The welding head fixing device of a servo ultrasonic welding machine according to claim 1, characterized in that: The mounting rod (36) is movably engaged with the inner wall of the insertion slot. The outer wall of the mounting rod (36) is fixedly connected with a fixing ring (35) below the limiting block (39). The top of the fixing block (310) is elastically connected to the connecting rod (31) through a spring (311).

4. The welding head fixing device of a servo ultrasonic welding machine according to claim 3, characterized in that: The connecting rod (31) is fixedly connected to the bottom end of the amplitude rod (2). The two sets of limiting blocks (39) are adapted to the two sets of guide slots (34) and are correspondingly inserted into their inner walls. The arc-shaped slot (38) is set in an arc shape and is connected to the guide slot (34). The other end of the arc-shaped slot (38) extends in an arc shape to the other side away from the guide slot (34) by one-quarter.

5. The welding head fixing device of a servo ultrasonic welding machine according to claim 4, characterized in that: One end of the spring (311) is fixedly connected to the top of the fixing block (310), and the other end of the spring (311) is fixedly connected to the top of the inner wall of the insertion groove. The guide rod (32) is slidably connected to the inner wall of the guide groove (33), and the limiting block (37) is slidably connected to the inner wall of the limiting slide groove (312).

6. The welding head fixing device of a servo ultrasonic welding machine according to claim 2, characterized in that: The positioning ring (4) is set in the shape of a circular ring, and the bottom end of the front surface of the positioning ring (4) is provided with a moving groove (46) that slides and engages with the guide rod (32).

7. The welding head fixing device of a servo ultrasonic welding machine according to claim 6, characterized in that: The bottom of the front surface of the positioning ring (4) is located on the right side of the moving groove (46) and has a blocking groove (42) that is movably engaged with the guide rod (32). An elastic sheet (45) is fixedly connected to the inner wall of the positioning ring (4) near the left rear of the moving groove (46).

8. The welding head fixing device of a servo ultrasonic welding machine according to claim 7, characterized in that: The outer wall of the positioning groove (41) is located below the positioning groove (41) and on the left side of the guide groove (33) with a circular groove 1 (43) that engages with the elastic piece (45). The outer wall of the connecting rod (31) is located near the left rear of the circular groove 1 (43) with a circular groove 2 (44) that engages with the elastic piece (45).

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