Tool clamp convenient to replace

Abstract

The tool clamp convenient to replace comprises a bottom plate, a clamp lower cover is fixedly installed on the top of the bottom plate, a clamp upper cover is arranged on the top of the clamp lower cover, an upper aluminum shaft sleeve is installed on the clamp upper cover through a clamping piece, a lower aluminum shaft sleeve is installed on the top of the clamp lower cover in a positioning mode, and the upper aluminum shaft sleeve and the lower aluminum shaft sleeve are fixedly installed on the bottom plate. An ultrasonic vibration arm is placed between the upper aluminum shaft sleeve and the lower aluminum shaft sleeve, the ultrasonic vibration arm is positioned through a positioning assembly, and the clamp lower cover and the clamp upper cover are closed through a pull rod locking assembly; the overturning type clamp with the positioning function is adopted and matched with the aluminum shaft sleeve to be arranged on the amplitude-change pole of the ultrasonic vibration arm in a sleeving mode for clamping, and the situation that due to the fact that torsion is too large, a welding head part is stressed, and unnecessary damage is caused is avoided; according to the overturning type clamp, the welding head and the transducer can be replaced simultaneously, efficiency is improved, and flexibility is high; and a quick positioning and mounting structure of the aluminum shaft sleeve is designed, so that the aluminum shaft sleeve can be sleeved according to the diameters of different amplitude-change poles, and quickness and convenience are achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of ultrasonic vibration arm transducer replacement, and particularly relates to a tooling fixture that is easy to replace. Background Art

[0002] At present, the market is replacing ultrasonic vibrating arm transducers, welding heads, and horns. The structure uses a bench vise to clamp the welding head and fix it. Some replace the transducer on the equipment. The main disadvantages of these structures in application are:

[0003] Inconvenient operation: When replacing the transducer, welding head, and horn of the ultrasonic vibrator with a bench vise, the operator needs to clamp the ultrasonic welding head in the bench vise. One hand is needed to fix the ultrasonic vibrator, and the other hand is needed to hold the torque wrench for assembly and disassembly. It is inconvenient for the operator to apply rotational torque, especially for thin workers.

[0004] There is a safety hazard: when replacing the transducer and welding head of the ultrasonic vibration arm with a bench vise, the ultrasonic vibration arm is long and unstable to install and fix, so it may fall, causing damage to the ultrasonic vibration arm and even personal injury. Therefore, the utility model proposes a tooling fixture that is easy to replace. Utility Model Content

[0005] The purpose of the present invention is to provide a fixture that is easy to replace, so as to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a tooling fixture that is easy to replace, comprising a base plate, a fixture lower cover is fixedly installed on the top of the base plate, a fixture upper cover is provided on the top of the fixture lower cover, and the fixture upper cover and the fixture lower cover are flipped and connected by a flip axis, the fixture upper cover is installed with an upper aluminum shaft sleeve through a snap-fit ​​part, and a lower aluminum shaft sleeve is positioned and installed on the top of the fixture lower cover, an ultrasonic vibrating arm is placed between the upper aluminum shaft sleeve and the lower aluminum shaft sleeve, and the ultrasonic vibrating arm is positioned by a positioning assembly, the fixture lower cover and the fixture upper cover are closed by a pull rod locking assembly, and lower positioning seats for limiting the lateral movement of the lower aluminum shaft sleeve are provided at both ends of the fixture lower cover, and the lower positioning seats are fixedly installed on the base plate.

[0007] Preferably, the pull rod locking assembly includes a pair of fixing seats fixedly arranged on the base plate, a locking groove provided on the same side surface of the clamp upper cover and the clamp lower cover, a threaded sleeve rotatably installed between the pair of fixing seats, and the threaded sleeve is aligned with the bottom end of the locking groove, and a threaded pull rod screwed together with the threaded sleeve through a thread, the threaded pull rod extends to the top outer side of the clamp upper cover through the locking groove, and the top end of the threaded pull rod is provided with a locking block that can be abutted against the top surface of the clamp upper cover.

[0008] Preferably, a rotating handle is provided on the pressing block.

[0009] Preferably, the locking part includes a pair of raised clamping seats arranged on the upper aluminum sleeve, a connecting slide opened on the upper cover of the clamp, limiting slide grooves opened on both sides of the connecting slide, and a pair of clips symmetrically distributed in the connecting slide, a pair of the clips slide horizontally through the limiting slide groove, a return spring is arranged in the limiting slide groove, the two ends of the return spring are respectively connected to a pair of clips, the raised clamping seat extends into the connecting slide, and one end of the clip extends to the corresponding raised clamping seat for locking and limiting, and the other end of the clip extends to the outside of the top opening of the connecting slide.

[0010] Preferably, the positioning assembly includes an upper positioning member and a lower positioning member, the upper positioning member includes a positioning rod telescopically arranged on the edge of the clamp upper cover, the bottom end of the positioning rod extends to the positioning hole on the ultrasonic vibrator arm, the top end of the positioning rod extends to the top outside of the clamp upper cover, and the top end of the positioning rod is provided with a vibrator arm positioning switch that can lift the positioning rod, the middle sleeve of the positioning rod is provided with a spring sleeve for resetting the positioning rod, the lower positioning member includes a lower positioning rod telescopically arranged on the lower positioning seat, the top end of the lower positioning rod extends to another positioning hole of the ultrasonic vibrator arm, and the bottom end of the lower positioning rod is connected to the lower positioning seat through a spring member.

[0011] Preferably, the upper aluminum sleeve and the lower aluminum sleeve are both provided with raised strips for positioning, and the upper cover and the lower cover of the fixture are both provided with positioning grooves corresponding to the raised strips.

[0012] Compared with the existing technology, the utility model has the following beneficial effects: the utility model adopts a flip-type clamp with a positioning function, which is clamped on the horn of the ultrasonic vibration arm with an aluminum shaft sleeve to prevent excessive torque and unnecessary damage to the welding head; the flip-type clamp can replace the welding head and transducer at the same time, thereby improving efficiency and flexibility;

[0013] The utility model is designed with a quick positioning and installation structure of the aluminum shaft sleeve, which can be selected and mounted on the aluminum shaft sleeve according to different horn diameters, which is faster and more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0015] Figure 2 It is a cross-sectional view of the utility model;

[0016] Figure 3 This is an explosion diagram of the utility model;

[0017] In the figure: 1. Base plate; 2. Lower cover of the fixture; 3. Fixed seat; 4. Threaded sleeve; 5. Threaded pull rod; 6. Upper cover of the fixture; 7. Buckle; 8. Vibrating arm positioning switch; 9. Ultrasonic vibrating arm; 10. Upper aluminum sleeve; 11. Lower aluminum sleeve; 12. Positioning rod; 13. Spring sleeve; 14. Flip shaft; 15. Raised seat; 16. Connecting slide; 17. Return spring; 18. Limiting slide; 19. Lower positioning seat. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] Example 1

[0020] See also Figures 1 to 3, which is the first embodiment of the utility model, and this embodiment provides a technical solution: a tool fixture that is easy to replace, including a base plate 1, a fixture lower cover 2 is fixedly installed on the top of the base plate 1, a fixture upper cover 6 is provided on the top of the fixture lower cover 2, and the fixture upper cover 6 and the fixture lower cover 2 are flipped and connected by a flip shaft 14, the fixture upper cover 6 is installed with an upper aluminum shaft sleeve 10 through a snap-fit ​​part, and a lower aluminum shaft sleeve 11 is positioned and installed on the top of the fixture lower cover 2, an ultrasonic vibrating arm 9 is placed between the upper aluminum shaft sleeve 10 and the lower aluminum shaft sleeve 11, and the ultrasonic vibrating arm 9 is positioned by a positioning assembly, the fixture lower cover 2 and the fixture upper cover 6 are closed by a pull rod locking assembly, and lower positioning seats 19 for limiting the lateral movement of the lower aluminum shaft sleeve 11 are provided at both ends of the fixture lower cover 2, and the lower positioning seats 19 are fixedly installed on the base plate 1. In this embodiment, preferably, the pull rod locking assembly includes a pair of fixing seats 3 fixedly set on the base plate 1, a locking groove provided on the same side surface of the clamp upper cover 6 and the clamp lower cover 2, a threaded sleeve 4 rotatably installed between the pair of fixing seats 3, and the threaded sleeve 4 is aligned with the bottom end of the locking groove, and a threaded pull rod 5 screwed together with the threaded sleeve 4 by a thread, the threaded pull rod 5 extends to the top outside of the clamp upper cover 6 through the locking groove, and the top of the threaded pull rod 5 is provided with a tightening block that can be abutted against the top surface of the clamp upper cover 6. By rotating the threaded pull rod 5, the length of the threaded pull rod 5 in the threaded sleeve 4 is changed, thereby achieving the purpose of tightening or separating the clamp upper cover 6 and the clamp lower cover 2. In this embodiment, preferably, a rotating handle is provided on the tightening block to facilitate manual rotation by the operator. In this embodiment, preferably, the locking part includes a pair of raised clamps 15 arranged on the upper aluminum sleeve 10, a connecting slide 16 opened on the clamp upper cover 6, a limiting slide 18 opened on both sides of the connecting slide 16, and a pair of clips 7 symmetrically distributed in the connecting slide 16. The pair of clips 7 slide horizontally through the limiting slide 18, and a return spring 17 is provided in the limiting slide 18. The two ends of the return spring 17 are respectively connected to the pair of clips 7, the raised clamp 15 extends into the connecting slide 16, and one end of the clip 7 extends to the corresponding raised clamp 15 for locking and limiting, and the other end of the clip 7 extends to the outside of the top opening of the connecting slide 16. In this embodiment, preferably, the positioning assembly includes an upper positioning member and a lower positioning member, the upper positioning member includes a positioning rod 12 telescopically arranged on the edge of the clamp upper cover 6, the bottom end of the positioning rod 12 extends to the positioning hole on the ultrasonic vibrator 9, the top end of the positioning rod 12 extends to the top outside of the clamp upper cover 6, and the top end of the positioning rod 12 is provided with a vibrator positioning switch 8 that can lift the positioning rod 12, and the middle sleeve of the positioning rod 12 is provided with a spring sleeve 13 for resetting the positioning rod 12, and the lower positioning member includes a lower positioning rod telescopically arranged on the lower positioning seat 19, the top end of the lower positioning rod extends to another positioning hole of the ultrasonic vibrator 9, and the bottom end of the lower positioning rod is connected to the lower positioning seat 19 by a spring member, and can cooperate with the positioning rod 12 and the lower positioning rod to position the ultrasonic vibrator 9 to prevent the ultrasonic vibrator 9 from flipping and dislocating.In this embodiment, preferably, both the upper aluminum sleeve 10 and the lower aluminum sleeve 11 are provided with raised strips for positioning, and both the upper cover 6 of the clamp and the lower cover 2 of the clamp are provided with positioning grooves corresponding to the raised strips, in order to facilitate the positioning of the upper aluminum sleeve 10 and the lower aluminum sleeve 11 during installation and prevent them from shaking.

[0021] Although embodiments of the present invention have been shown and described (see the detailed description above for details), it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fixture that is easy to replace, comprising a base plate (1), characterized in that: The top of the base plate (1) is fixedly mounted with a clamp lower cover (2), the top of the clamp lower cover (2) is provided with a clamp upper cover (6), and the clamp upper cover (6) and the clamp lower cover (2) are flip-connected via a flip shaft (14), the clamp upper cover (6) is provided with an upper aluminum shaft sleeve (10) via a snap-fitting member, the top of the clamp lower cover (2) is positioned with a lower aluminum shaft sleeve (11), an ultrasonic vibration arm (9) is placed between the upper aluminum shaft sleeve (10) and the lower aluminum shaft sleeve (11), and the ultrasonic vibration arm (9) is positioned via a positioning assembly, the clamp lower cover (2) and the clamp upper cover (6) are closed via a pull rod locking assembly, and lower positioning seats (19) for limiting the lateral movement of the lower aluminum shaft sleeve (11) are provided at both ends of the clamp lower cover (2), and the lower positioning seats (19) are fixedly mounted on the base plate (1).

2. The easily replaceable fixture according to claim 1, characterized in that: The pull rod locking assembly includes a pair of fixing seats (3) fixedly arranged on the base plate (1), a locking groove provided on the same side surface of the clamp upper cover (6) and the clamp lower cover (2), a threaded sleeve (4) rotatably installed between the pair of fixing seats (3), and the threaded sleeve (4) is aligned with the bottom end of the locking groove, and a threaded pull rod (5) screwed together with the threaded sleeve (4) through a thread, the threaded pull rod (5) extends to the top outer side of the clamp upper cover (6) through the locking groove, and the top end of the threaded pull rod (5) is provided with a locking block that can abut against the top surface of the clamp upper cover (6).

3. The easily replaceable fixture according to claim 2, characterized in that: The pressing block is provided with a rotating handle.

4. The easily replaceable fixture according to claim 1, characterized in that: The engaging member includes a pair of raised seats (15) arranged on the upper aluminum sleeve (10), a connecting slide (16) provided on the clamp upper cover (6), limiting slide grooves (18) provided on both sides of the connecting slide (16), and a pair of buckles (7) symmetrically distributed in the connecting slide (16), the pair of buckles (7) slide horizontally through the limiting slide groove (18), a return spring (17) is provided in the limiting slide groove (18), and the two ends of the return spring (17) are respectively connected to the pair of buckles (7), the raised seat (15) extends into the connecting slide (16), and one end of the buckle (7) extends to the corresponding raised seat (15) for engagement and limiting, and the other end of the buckle (7) extends to the outside of the top opening of the connecting slide (16).

5. The easily replaceable fixture according to claim 1, characterized in that: The positioning assembly includes an upper positioning member and a lower positioning member, the upper positioning member includes a positioning rod (12) telescopically arranged on the edge of the clamp upper cover (6), the bottom end of the positioning rod (12) extends to the positioning hole on the ultrasonic vibrating arm (9), the top end of the positioning rod (12) extends to the top outside of the clamp upper cover (6), and the top end of the positioning rod (12) is provided with a vibrating arm positioning switch (8) that can lift the positioning rod (12), the middle sleeve of the positioning rod (12) is provided with a spring sleeve (13) for resetting the positioning rod (12), the lower positioning member includes a lower positioning rod telescopically arranged on the lower positioning seat (19), the top end of the lower positioning rod extends to another positioning hole of the ultrasonic vibrating arm (9), and the bottom end of the lower positioning rod is connected to the lower positioning seat (19) through a spring member.

6. The easily replaceable fixture according to claim 1, characterized in that: The upper aluminum sleeve (10) and the lower aluminum sleeve (11) are both provided with raised strips for positioning, and the upper clamp cover (6) and the lower clamp cover (2) are both provided with positioning grooves corresponding to the raised strips.

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