Ultrasonic handheld cutting knife

Abstract

The present invention discloses an ultrasonic handheld cutting knife, comprising a handle, a transducer is slidably connected in the handle, a fixing mechanism is arranged in the handle, a handle is welded on the handle, a mounting groove is provided on the handle, a blade is slidably connected in the mounting groove, a limit pin is threadedly connected in the handle, the limit pin and the blade are slidably connected, a protective device is arranged on the outer side of the handle, and a limit mechanism is fixedly installed on the handle. The present invention relates to an ultrasonic handheld cutting knife, which has the characteristics of easy installation and fixing of the transducer and protection of the blade.

Description

Technical Field

[0001] The invention belongs to the technical field of ultrasonic cutting, in particular to an ultrasonic handheld cutting knife. Background Art

[0002] The ultrasonic cutting device used for cutting car dashboards is generally a manipulator clamping type. Since the manipulator clamping type has the ability to accurately control the cutting speed and cutting force, it can complete the cutting action with a higher cutting efficiency. In order to achieve a better cutting effect, a handheld ultrasonic cutting device is also required to trim or supplement the positions on the workpiece that are not cut by the manipulator clamping type due to the limitation of the cutting position. In the prior art, when using an ultrasonic handheld cutting knife, the transducer is relatively troublesome to fix and install, and the blade part of the device lacks protection. Therefore, there is a need to improve the prior art. Summary of the invention

[0003] The purpose of the present invention is to provide an ultrasonic handheld cutting knife to solve the above problems, thereby solving the problems mentioned in the background technology.

[0004] In order to solve the above problems, the present invention provides a technical solution:

[0005] An ultrasonic handheld cutting knife comprises a handle, a transducer is slidably connected in the handle, a fixing mechanism is arranged in the handle, a handle is welded on the handle, a mounting groove is provided on the handle, a blade is slidably connected in the mounting groove, a limiting pin is threadedly connected in the handle, the limiting pin and the blade are slidably connected, a protective device is arranged on the outer side of the handle, and a limiting mechanism is fixedly installed on the handle.

[0006] Preferably, the fixing mechanism includes a hollow plate, a support rod, a sealing cylinder, a convex edge, a rubber block, a pressure ring, an air outlet, a handle and an air inlet. The hollow plate and the handle are slidably connected, the hollow plate and the transducer are in contact, a support rod is welded on the hollow plate, the sealing cylinder and the handle are welded, a convex edge is slidably connected inside the sealing cylinder, the convex edge is fixedly connected to the support rod, a rubber block is arranged inside the sealing cylinder, one end of the rubber block is bonded to the convex edge, and the other end of the rubber block is bonded to the handle, the pressure ring and the handle are threadedly connected, and a handle is welded on the pressure ring.

[0007] Preferably, the pressure ring is in contact with the transducer, and an air outlet hole is provided on the pressure ring.

[0008] Preferably, the handle is provided with an air inlet hole, and there are a plurality of the air inlet holes, which are distributed in a circular array on the handle.

[0009] Preferably, the protective device includes a slide cylinder, a corrugated sleeve, a sliding pin, a sliding groove, a connecting rod, a steel ball, a screw ring, a ring rail, and a slot. The slide cylinder is provided with a corrugated sleeve, the slide cylinder is welded with a sliding pin, the sliding pin is welded with a connecting rod, the connecting rod is welded with a steel ball, the screw ring and the tool handle are connected by threads, the screw ring is welded with a ring rail, a steel ball is slidably connected in the ring rail, and the screw ring is provided with a slot.

[0010] Preferably, one end of the corrugated sleeve is bonded to the slide cylinder, and the other end of the corrugated sleeve is bonded to the knife handle.

[0011] Preferably, the slide groove is provided on the tool handle, and a slide pin is slidably connected in the slide groove.

[0012] Preferably, the limiting mechanism includes a guide groove, a guide block, a guide rod, a spring, a guide hole, and a shift block. The guide groove is opened on the handle, and the guide block is slidably connected in the guide groove. The guide rod is welded in the guide groove. A spring is arranged on the outside of the guide rod. One end of the spring is welded to the handle, and the other end of the spring is welded to the guide block. A guide hole is opened in the guide block, and the guide rod is slidably sleeved in the guide hole. A shift block is welded on the guide block, and the shift block is in contact with the handle.

[0013] The beneficial effects of the present invention are as follows: the present invention relates to an ultrasonic handheld cutting knife, which has the characteristics of easy installation and fixing of the transducer and protection of the blade. In specific use, compared with the traditional ultrasonic handheld cutting knife, the ultrasonic handheld cutting knife has the following two beneficial effects:

[0014] Firstly, by setting up structures such as a hollow plate, a support rod, a sealing tube, a convex edge, a rubber block, and a pressure ring, when the device is used, the transducer is pressed against the hollow plate by means of a threaded movement of the pressure ring and the handle, so that the support rod drives the convex edge to move into the sealing tube, so that the air in the sealing tube is compressed, and then the transducer is fixed, making it easy to install and fix the transducer.

[0015] Secondly, by setting up structures such as a slide cylinder, a steel ball, a screw ring, a ring rail, a slot, a guide block, a spring, and a shift block, the slide can be made to slide on the knife handle by rotating the screw ring, so that the blade can be extended and retracted relative to the slide cylinder, and the slide cylinder can be used to protect the blade when the device is idle, and the screw ring can be limited by the cooperation of the guide block and the slot, thereby preventing the screw ring from loosening due to vibration when the device is in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] For ease of explanation, the present invention is described in detail with reference to the following specific implementations and the accompanying drawings.

[0017] Figure 1 It is a three-dimensional diagram of the overall structure of the present invention;

[0018] Figure 2 For the present invention Figure 1 A front cross-sectional view of

[0019] Figure 3 For the present invention Figure 2 A in the enlarged view;

[0020] Figure 4 For the present invention Figure 2 The enlarged view of point B in the figure;

[0021] Figure 5 For the present invention Figure 2 The enlarged view of point C in the figure;

[0022] Figure 6 For the present invention Figure 2 Enlarged view of point D in .

[0023] In the figure: 1. handle; 2. transducer; 3. fixing mechanism; 31. hollow plate; 32. support rod; 33. sealing tube; 34. flange; 35. rubber block; 36. pressure ring; 37. air outlet; 38. handle; 39. air inlet; 4. knife handle; 5. mounting groove; 6. blade; 7. limit pin; 8. protective device; 81. slide tube; 82. corrugated sleeve; 83. slide pin; 84. slide groove; 85. connecting rod; 86. steel ball; 87. screw ring; 88. ring rail; 89. slot; 9. limit mechanism; 91. guide groove; 92. guide block; 93. guide rod; 94. spring; 95. guide hole; 96. shift block. DETAILED DESCRIPTION

[0024] like Figure 1-6 As shown, this specific implementation adopts the following technical solutions:

[0025] Example:

[0026] An ultrasonic handheld cutting knife comprises a handle 1, a transducer 2 is slidably connected inside the handle 1, a fixing mechanism 3 is arranged inside the handle 1, a handle 4 is welded on the handle 1, a mounting groove 5 is opened on the handle 4, a blade 6 is slidably connected inside the mounting groove 5, a limiting pin 7 is threadedly connected inside the handle 4, the limiting pin 7 and the blade 6 are slidably connected, a protective device 8 is arranged on the outer side of the handle 4, and a limiting mechanism 9 is fixedly installed on the handle 1.

[0027] The fixing mechanism 3 includes a hollow plate 31, a support rod 32, a sealing tube 33, a convex edge 34, a rubber block 35, a pressure ring 36, an air outlet 37, a handle 38 and an air inlet 39. The hollow plate 31 is slidably connected to the handle 1, the hollow plate 31 is in contact with the transducer 2, a support rod 32 is welded to the hollow plate 31, the sealing tube 33 is welded to the handle 1, a convex edge 34 is slidably connected inside the sealing tube 33, the convex edge 34 is fixedly connected to the support rod 32, a rubber block 35 is arranged inside the sealing tube 33, one end of the rubber block 35 is bonded to the convex edge 34, the other end of the rubber block 35 is bonded to the handle 1, the pressure ring 36 is threadedly connected to the handle 1, and a handle 38 is welded to the pressure ring 36. By setting the above structure, the transducer 2 is easy to fix.

[0028] The pressure ring 36 is in contact with the transducer 2, and an air outlet 37 is provided on the pressure ring 36. The air outlet 37 is provided to facilitate heat dissipation of the transducer 2.

[0029] The handle 1 is provided with an air inlet 39, and there are a plurality of air inlet holes 39, which are distributed in a circular array on the handle 1. By providing a plurality of air inlet holes 39, the heat dissipation efficiency of the transducer 2 is higher.

[0030] The protection device 8 includes a slide 81, a corrugated sleeve 82, a sliding pin 83, a sliding groove 84, a connecting rod 85, a steel ball 86, a screw ring 87, a ring rail 88, and a slot 89. The slide 81 is provided with a corrugated sleeve 82, the slide 81 is welded with a sliding pin 83, the sliding pin 83 is welded with a connecting rod 85, the connecting rod 85 is welded with a steel ball 86, the screw ring 87 and the handle 4 are connected by threads, the screw ring 87 is welded with a ring rail 88, the ring rail 88 is slidably connected with a steel ball 86, and the screw ring 87 is provided with a slot 89. By setting the above structure, the blade 6 can be protected.

[0031] One end of the corrugated sleeve 82 is bonded to the slide cylinder 81, and the other end of the corrugated sleeve 82 is bonded to the knife handle 4. By providing the corrugated sleeve 82, cutting waste is prevented from entering the mounting groove 5.

[0032] The slide groove 84 is provided on the handle 4, and a slide pin 83 is slidably connected in the slide groove 84. By setting the above structure, the slide pin 83 is guided.

[0033] The limiting mechanism 9 includes a guide groove 91, a guide block 92, a guide rod 93, a spring 94, a guide hole 95, and a shifting block 96. The guide groove 91 is provided on the handle 1. The guide block 92 is slidably connected in the guide groove 91. The guide rod 93 is welded in the guide groove 91. A spring 94 is provided on the outside of the guide rod 93. One end of the spring 94 is welded to the handle 1, and the other end of the spring 94 is welded to the guide block 92. A guide hole 95 is provided in the guide block 92. The guide rod 93 is slidably sleeved in the guide hole 95. A shifting block 96 is welded on the guide block 92, and the shifting block 96 is in contact with the handle 1. By setting the above structure, the slide cylinder 81 is not easy to loosen after adjustment.

[0034] The use state of the present invention is as follows: when installing the transducer 2, the transducer 2 is placed into the handle 1, and then the pressure ring 36 is inserted into the handle 1 and performs a threaded motion with the handle 1, the movement of the pressure ring 36 drives the transducer 2 to move, the movement of the transducer 2 drives the hollow plate 31 to move, the movement of the hollow plate 31 causes the support rod 32 to drive the convex edge 34 to move into the sealing tube 33, so that the air in the sealing tube 33 is compressed, and then the transducer 2 is fixed, and when the blade 6 is used for cutting, the screw ring 87 is rotated, the screw ring 87 rotates and performs a threaded motion with the handle 4, the screw ring 87 drives the ring rail 88 to move upward, the ring rail 88 drives the steel ball 86 to move upward, the steel ball 86 drives the connecting rod 85 to move upward, the connecting rod 85 drives the sliding pin 83 to move upward, the sliding pin 83 drives the sliding tube 81 to move upward, so that the blade 6 leaks out, and in this process, Pushing the shift block 96 upward drives the guide block 92 to move upward, so that the guide block 92 moves into the guide groove 91, so that the spring 94 is compressed. When the screw ring 87 rotates to contact the handle 1 and the slot 89 corresponds to the position of the guide block 92, the shift block 96 is released and the spring 94 is reset, so that the guide block 92 enters the slot 89. By setting structures such as the slide 81, steel ball 86, screw ring 87, ring rail 88, slot 89, guide block 92, spring 94, shift block 96, etc., the slide 81 can be made to slide on the knife handle 4 by rotating the screw ring 87, so that the blade 6 can be extended and retracted relative to the slide 81, and the slide 81 can be used to protect the blade 6 when the device is idle, and the screw ring 87 can be limited by the cooperation of the guide block 92 and the slot 89, so as to prevent the screw ring 87 from loosening due to vibration when the device is in use.

[0035] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for illustrating the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which shall fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. An ultrasonic handheld cutting knife, comprising a handle (1), characterized in that: The transducer (2) is slidably connected in the handle (1), a fixing mechanism (3) is arranged in the handle (1), a handle (4) is welded on the handle (1), a mounting groove (5) is provided on the handle (4), a blade (6) is slidably connected in the mounting groove (5), a limit pin (7) is threadedly connected in the handle (4), the limit pin (7) and the blade (6) are slidably connected, a protective device (8) is arranged on the outer side of the handle (4), and a limit mechanism (9) is fixedly installed on the handle (1); The fixing mechanism (3) comprises a hollow plate (31), a support rod (32), a sealing tube (33), a convex edge (34), a rubber block (35), a pressure ring (36), an air outlet (37), a handle (38) and an air inlet (39); the hollow plate (31) and the handle (1) are slidably connected; the hollow plate (31) and the transducer (2) are in contact; the hollow plate (31) is welded with a support rod (32); the sealing tube (33) and the handle (1) are welded; a convex edge (34) is slidably connected inside the sealing tube (33); the convex edge (34) is fixedly connected to the support rod (32); A rubber block (35) is arranged in the sealing cylinder (33), one end of the rubber block (35) is bonded to the flange (34), the other end of the rubber block (35) is bonded to the handle (1), the pressure ring (36) and the handle (1) are connected by threads, a handle (38) is welded on the pressure ring (36), the pressure ring (36) and the transducer (2) are in contact, an air outlet (37) is provided on the pressure ring (36), and an air inlet (39) is provided on the handle (1), there are a plurality of air inlet holes (39), and the plurality of air inlet holes (39) are distributed on the handle (1) in a ring array; The protective device (8) comprises a slide cylinder (81), a corrugated sleeve (82), a sliding pin (83), a sliding groove (84), a connecting rod (85), a steel ball (86), a screw ring (87), a ring rail (88), and a slot (89). The slide cylinder (81) is provided with a corrugated sleeve (82), the slide cylinder (81) is welded with a sliding pin (83), the sliding pin (83) is welded with a connecting rod (85), the connecting rod (85) is welded with a steel ball (86), the screw ring (87) is welded with a connecting rod (85), the connecting rod (85) is welded with a steel ball (86), and the screw ring (87) is welded with a connecting rod (88). 87) and the knife handle (4) are connected by threads, a ring rail (88) is welded on the screw ring (87), a steel ball (86) is slidably connected in the ring rail (88), a slot (89) is provided on the screw ring (87), one end of the corrugated sleeve (82) is bonded to the slide cylinder (81), the other end of the corrugated sleeve (82) is bonded to the knife handle (4), the slide groove (84) is provided on the knife handle (4), and a slide pin (83) is slidably connected in the slide groove (84); The limiting mechanism (9) comprises a guide groove (91), a guide block (92), a guide rod (93), a spring (94), a guide hole (95), and a shifting block (96); the guide groove (91) is provided on the handle (1); the guide block (92) is slidably connected in the guide groove (91); the guide rod (93) is welded in the guide groove (91); a spring (94) is arranged on the outer side of the guide rod (93); one end of the spring (94) is welded to the handle (1); the other end of the spring (94) is welded to the guide block (92); a guide hole (95) is provided in the guide block (92); the guide rod (93) is slidably sleeved in the guide hole (95); a shifting block (96) is welded on the guide block (92); and the shifting block (96) is in contact with the handle (1).

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