Laser welding machine clamp for endoscope snake bone machining

Abstract

The utility model relates to the technical field of endoscope snake bone welding clamps, and discloses a laser welding machine clamp for endoscope snake bone machining, which comprises a welding workbench, two linear limiting grooves are formed in the upper side of the welding workbench, clamping grooves are formed in the inner sides of the two linear limiting grooves, and two pairs of sliding blocks are respectively connected to the inner sides of the two clamping grooves in a sliding mode. The upper sides of the two pairs of sliding blocks are fixedly connected with connecting rods, and the upper ends of the two pairs of connecting rods are fixedly connected with a pair of clamping blocks respectively. According to the inner clamping groove driving mode, the clamping system error of the clamp can be remarkably reduced, external interference is not likely to happen, and due to the excellent abrasion resistance, the clamp still has high precision after being used for a long time.

Description

Technical Field

[0001] The utility model relates to the technical field of endoscope snake bone welding fixtures, in particular to a laser welding machine fixture for endoscope snake bone processing. Background Art

[0002] An endoscope is a tube equipped with a light. It can enter the human body through the natural channels of the human body or through a small incision made by surgery to facilitate observation and detection. Because the size of the endoscope parts is very small, the welding accuracy requirements are very high. When processing the endoscope snake bone, the snake bone must first be clamped and fixed with a fixture. Due to the special properties of the snake bone such as the radius size and flexibility, the fixture for clamping and fixing the snake bone also needs to be adjusted to meet this demand. However, the existing endoscope snake bone welding fixtures generally have the following technical problems:

[0003] 1. Endoscopes have very small parts and require very high welding accuracy. Although the existing fixtures use multiple lock mechanisms to ensure the stability of the fixture, the clamping accuracy and clamping system errors cannot be controlled;

[0004] 2. Since the size of the endoscope snake bone is generally fixed, and the length is long and flexible, the existing endoscope snake bone fixture design has a large range of clamp size adjustment mechanism, which has no practical significance. Instead, it occupies a large amount of space above the welding workbench and is prone to interfere with the long snake bone, causing damage. In addition, the metal filings generated by welding enter the redundant fixture parts, which may lead to a decrease in the fixture accuracy;

[0005] In summary, a laser welding machine fixture for endoscopic snake bone processing is proposed, which can solve the above problems. Utility Model Content

[0006] In order to solve the technical problem of endoscope snake bone welding fixture, the utility model provides a laser welding machine fixture for endoscope snake bone processing.

[0007] The utility model is implemented by the following technical scheme: a laser welding machine fixture for endoscopic snake bone processing, comprising a welding workbench, wherein two linear limit grooves are provided on the upper side of the welding workbench, and the inner sides of the two linear limit grooves are provided with card slots, and the inner sides of the two card slots are respectively slidably connected with two pairs of sliders, and the upper sides of the two pairs of sliders are fixedly connected with connecting rods, and the upper ends of the two pairs of connecting rods are respectively fixedly connected with a pair of clamping blocks, and the lower side of the welding workbench is provided with a clamping block driving mechanism for making the two pairs of clamping blocks approach or move away from each other.

[0008] As a further improvement of the above-mentioned scheme, the clamping block driving mechanism includes a No. 1 driven gear plate and a No. 2 driven gear plate which are respectively rotatably connected to the lower side of the welding workbench, and the No. 1 driven gear plate and the No. 2 driven gear plate are respectively located under two linear limit grooves, and the No. 1 driven gear plate and the No. 2 driven gear plate are provided with a slider pushing mechanism which pushes the two pairs of sliders closer to or away from each other from the lower side.

[0009] As a further improvement of the above-mentioned scheme, the slider pushing mechanism includes two curved limit grooves on the No. 1 driven gear disc and the No. 2 driven gear disc of the welding workbench, the inner sides of the two pairs of curved limit grooves are respectively slidably connected to the lower ends of the two pairs of connecting rods, and the lower side of the welding workbench is provided with a driven gear disc driving mechanism that enables the No. 1 driven gear disc and the No. 2 driven gear disc to rotate in the same direction at the same time.

[0010] As a further improvement of the above scheme, the driven gear disc driving mechanism includes clamping plates fixedly connected to both sides of the welding workbench respectively, and one side of the No. 1 driven gear disc and the No. 2 driven gear disc are respectively meshed with a No. 1 tooth plate and a No. 2 tooth plate, and both the No. 1 tooth plate and the No. 2 tooth plate are provided with sliding grooves, and the inner sides of the two sliding grooves are respectively slidably connected to the two clamping plates on both sides, and a tooth plate driving mechanism is provided between the No. 1 tooth plate and the No. 2 tooth plate, which enables the No. 1 tooth plate and the No. 2 tooth plate to move toward each other at the same time.

[0011] As a further improvement of the above scheme, the gear plate driving mechanism includes an active gear plate rotatably connected to the lower side of the welding workbench, and both sides of the active gear plate are simultaneously engaged with the first gear plate and the second gear plate. An active gear plate driving mechanism for rotating the active gear plate is provided below the active gear plate.

[0012] As a further improvement of the above solution, the active gear disc driving mechanism includes a mounting plate fixedly connected to the lower side of the welding workbench, and the mounting plate is fixedly connected to the lower side of the servo motor.

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

[0014] 1. The utility model drives two pairs of slides by means of a slider pushing mechanism, using curved limit grooves provided on the No. 1 driven gear plate and the No. 2 driven gear plate. This internal card slot driving method can significantly reduce the system error of the clamping fixture, is not easily affected by external interference, and due to its excellent wear resistance, the fixture still has a high precision after long-term use.

[0015] 2. The driving components of the laser welding machine fixture of the utility model are all located below the welding workbench, which can save the working space above the welding workbench and prevent iron filings generated during welding from falling into the core components of the fixture, causing the fixture to lose accuracy. In addition, the fixture structure located below can avoid collision and interference with the endoscope snake bone, which can protect the snake bone, improve accuracy and reduce space occupation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a front view of a laser welding machine fixture for endoscope snake bone processing provided by the utility model;

[0017] Figure 2 for Figure 1 Bottom view of

[0018] Figure 3 for Figure 1 Side view of

[0019] Figure 4 for Figure 1 The enlarged structural diagram at A in the middle;

[0020] Figure 5 for Figure 3 Schematic diagram of the enlarged structure at point B.

[0021] Description of main symbols:

[0022] 1. Welding workbench; 2. Clamping block; 3. Linear limit slot; 4. Mounting plate; 5. Servo motor; 6. Connecting rod; 7. Clamping slot; 8. Slider; 9. No. 1 driven gear disc; 10. Curved limit slot; 11. No. 1 gear plate; 12. Clamping plate; 13. Driving gear disc; 14. No. 2 driven gear disc; 15. No. 2 gear plate; 16. Slide slot. DETAILED DESCRIPTION

[0023] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0024] Example:

[0025] Please combine Figure 1-Figure 5A laser welding machine fixture for endoscopic snake bone processing in this embodiment includes a welding workbench 1, and two linear limit grooves 3 are provided on the upper side of the welding workbench 1. The inner sides of the two linear limit grooves 3 are provided with card slots 7. The inner sides of the two card slots 7 are respectively slidably connected with two pairs of sliders 8. It should be noted that card blocks are provided on both sides of the two sliders 8, and the card blocks are adapted to the card slots 7. The upper sides of the two pairs of sliders 8 are fixedly connected with connecting rods 6, and the upper ends of the two pairs of connecting rods 6 are respectively fixedly connected with a pair of clamping blocks 2. The inner sides of the clamping blocks 2 are built-in with rubber pads to improve friction and gripping force. The lower side of the welding workbench 1 is provided with a clamping block driving mechanism for making the two pairs of clamping blocks 2 approach or move away from each other.

[0026] Please combine Figure 2 As shown, the clamping block driving mechanism includes a No. 1 driven gear disc 9 and a No. 2 driven gear disc 14 which are rotatably connected to the lower side of the welding workbench 1 respectively. The No. 1 driven gear disc 9 and the No. 2 driven gear disc 14 are respectively located below the two linear limit grooves 3. The No. 1 driven gear disc 9 and the No. 2 driven gear disc 14 are provided with a slider pushing mechanism which pushes the two pairs of sliders 8 closer to or away from each other from the lower side.

[0027] Please combine Figure 2 As shown, the slider pushing mechanism includes two curved limit grooves 10 on the No. 1 driven gear disc 9 and the No. 2 driven gear disc 14 of the welding workbench 1, the inner sides of the two pairs of curved limit grooves 10 are slidingly connected to the lower ends of the two pairs of connecting rods 6 respectively, and the lower side of the welding workbench 1 is provided with a driven gear disc driving mechanism that enables the No. 1 driven gear disc 9 and the No. 2 driven gear disc 14 to rotate simultaneously in the same direction.

[0028] Please combine Figure 3 and Figure 5 As shown, the driven gear disc driving mechanism includes a clamping plate 12 fixedly connected to both sides of the welding workbench 1, and one side of the No. 1 driven gear disc 9 and the No. 2 driven gear disc 14 are respectively meshed with a No. 1 tooth plate 11 and a No. 2 tooth plate 15, and the No. 1 tooth plate 11 and the No. 2 tooth plate 15 are both provided with a slide groove 16, and the slide groove 16 is a T-shaped groove. The inner sides of the two slide grooves 16 are respectively slidably connected to the two clamping plates 12 on both sides, and a tooth plate driving mechanism is arranged between the No. 1 tooth plate 11 and the No. 2 tooth plate 15 to enable the No. 1 tooth plate 11 and the No. 2 tooth plate 15 to move toward each other at the same time.

[0029] Please combine Figure 2 As shown, the gear plate driving mechanism includes an active gear plate 13 rotatably connected to the lower side of the welding workbench 1, and both sides of the active gear plate 13 are simultaneously engaged with the first gear plate 11 and the second gear plate 15. An active gear plate driving mechanism for rotating the active gear plate 13 is provided below the active gear plate 13.

[0030] The active toothed disc driving mechanism comprises a mounting plate 4 fixedly connected to the lower side of the welding workbench 1 , and the mounting plate 4 is fixedly connected to the lower side of the servo motor 5 .

[0031] The implementation principle of a laser welding machine fixture for processing endoscope snake bones in the embodiment of the present application is as follows: the staff first places the endoscope snake bone that needs to be welded on the welding workbench 1, starts the servo motor 5, and rotates the active gear plate 13 to push the No. 1 gear plate 11 and the No. 2 gear plate 15 to move in opposite directions respectively, pushing the No. 1 driven gear plate 9 and the No. 2 driven gear plate 14 on both sides to rotate, and due to the clamping effect of the curved limit groove 10 on the connecting rod 6, the two pairs of sliders 8 are driven to approach each other respectively, and the two pairs of sliders 8 slide against each other along the straight limit groove 3, driving the two pairs of clamping blocks 2 above to approach each other, and finally achieving the clamping effect.

[0032] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A laser welding machine fixture for endoscope snake bone processing, comprising a welding workbench (1), characterized in that: Two linear limit grooves (3) are provided on the upper side of the welding workbench (1), and a clamping groove (7) is provided on the inner side of the two linear limit grooves (3). Two pairs of sliders (8) are slidably connected to the inner sides of the two clamping grooves (7), and the upper sides of the two pairs of sliders (8) are fixedly connected to connecting rods (6). The upper ends of the two pairs of connecting rods (6) are fixedly connected to a pair of clamping blocks (2), and the lower side of the welding workbench (1) is provided with a clamping block driving mechanism for moving the two pairs of clamping blocks (2) closer to or farther away from each other.

2. A laser welding machine fixture for endoscope snake bone processing as claimed in claim 1, characterized in that: The clamping block driving mechanism comprises a first driven gear disc (9) and a second driven gear disc (14) which are respectively rotatably connected to the lower side of the welding workbench (1); the first driven gear disc (9) and the second driven gear disc (14) are respectively located below two linear limit grooves (3); and a slider pushing mechanism is provided on the first driven gear disc (9) and the second driven gear disc (14) for pushing two pairs of sliders (8) toward or away from each other from the lower side.

3. A laser welding machine fixture for endoscope snake bone processing as claimed in claim 2, characterized in that: The slider pushing mechanism comprises two curved limit grooves (10) on a first driven gear disc (9) and a second driven gear disc (14) of a welding workbench (1), the inner sides of the two pairs of curved limit grooves (10) being slidably connected to the lower ends of the two pairs of connecting rods (6), respectively, and a driven gear disc driving mechanism for causing the first driven gear disc (9) and the second driven gear disc (14) to rotate simultaneously in the same direction is provided on the lower side of the welding workbench (1).

4. A laser welding machine fixture for endoscope snake bone processing as claimed in claim 3, characterized in that: The driven toothed disc driving mechanism comprises a clamping plate (12) fixedly connected to two sides of the welding workbench (1), and one side of the first driven toothed disc (9) and the second driven toothed disc (14) is respectively meshed with a first toothed plate (11) and a second toothed plate (15), and a sliding groove (16) is provided on the first toothed plate (11) and the second toothed plate (15), and the inner sides of the two sliding grooves (16) are respectively slidably connected to the two clamping plates (12) on both sides, and a toothed plate driving mechanism is provided between the first toothed plate (11) and the second toothed plate (15) so as to enable the first toothed plate (11) and the second toothed plate (15) to move toward each other at the same time.

5. A laser welding machine fixture for endoscope snake bone processing as claimed in claim 4, characterized in that: The toothed plate driving mechanism comprises an active toothed plate (13) rotatably connected to the lower side of the welding workbench (1), both sides of the active toothed plate (13) are simultaneously meshed with a first toothed plate (11) and a second toothed plate (15), and an active toothed plate driving mechanism for rotating the active toothed plate (13) is provided below the active toothed plate (13).

6. A laser welding machine fixture for endoscope snake bone processing as claimed in claim 5, characterized in that: The active toothed disc drive mechanism comprises a mounting plate (4) fixedly connected to the lower side of the welding workbench (1); the mounting plate (4) is fixedly connected to the lower side of the servo motor (5).

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