Clamping tool for nozzle holder

Abstract

The utility model relates to a clamping tool for a nozzle holder, which belongs to the field of clamping tools, and comprises a rack, a mounting plate arranged on the top surface of the rack, a clamping mechanism for pressing the nozzle holder on the mounting plate, and a driving mechanism for driving the mounting plate to turn over horizontally; the mounting plate is provided with a processing groove for arranging a nozzle seat; the machining groove comprises an arrangement through groove used for arrangement of the first installation protruding column and the second installation protruding column, a first arrangement groove formed in one side of the arrangement through groove and used for arrangement of the first installation base, and a second arrangement groove formed in the other side of the arrangement through groove and used for arrangement of the second installation base. The mounting plate is also provided with an arrangement through hole penetrating through the mounting plate at the first arrangement groove; the clamping mechanism comprises a first clamping assembly used for pressing the first mounting base and a second clamping assembly used for pressing the second mounting base. The machining method has the effect of improving the machining precision of the nozzle holder.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of clamping tools, in particular to a clamping tool for a nozzle seat. BACKGROUND

[0002] With reference to Figure 1 The nozzle seat 6 comprises a mounting base plate 61, a first mounting seat 62 connected to one side of the mounting base plate 61, a second mounting seat 63 connected to the other side of the mounting base plate 61, a first mounting protruding column 64 arranged on the top surface of the mounting base plate 61 along the length direction of the mounting base plate 61, and a second mounting protruding column 65 arranged on the top surface of the mounting base plate 61. The number of the first mounting protruding column 64 is two. The nozzle seat 6 has a first corner portion 66 at the connection between the first mounting seat 62 and the mounting base plate 61, and has a second corner portion 67 at the connection between the second mounting seat 63 and the mounting base plate 61.

[0003] With reference to Figure 1 and 2 The bottom surface of the mounting base plate 61 is provided with a mounting groove 68 at the first mounting protruding column 64 and the second mounting protruding column 65. The top surface of the first mounting protruding column 64 is provided with a first mounting hole 641 communicating with the mounting groove 68, and one side of the top surface of the first mounting protruding column 64 has a mounting protruding portion 642 extending upward. The top surface of the second mounting protruding column 65 is provided with two second mounting holes 651 communicating with the mounting groove 68. The top surface of the first mounting seat 62 is provided with a mounting through hole 621, and the top surface of the second mounting seat 63 is provided with a strip-shaped hole 631. In order to facilitate tapping of the first mounting hole 641, the second mounting hole 651 and the mounting through hole 621 of the nozzle seat 6, and to facilitate the use of a die for the first mounting protruding column 64 and the second mounting protruding column 65 of the nozzle seat 6, the nozzle seat 6 needs to be clamped to ensure the machining precision of the nozzle seat 6.

[0004] In view of the above-mentioned related art, the present application provides a clamping tool for a nozzle seat. CONTENT OF THE UTILITY MODEL

[0005] In order to improve the machining precision of the nozzle seat, the present application provides a clamping tool for a nozzle seat.

[0006] The clamping tool for a nozzle seat provided by the present application adopts the following technical solution:

[0007] The clamping tool of the nozzle seat comprises a rack, a mounting plate arranged on the top surface of the rack, a clamping mechanism mounted on the mounting plate and used for pressing the nozzle seat against the mounting plate, and a driving mechanism horizontally rotatably mounted on the rack and used for driving the mounting plate to horizontally overturn; the mounting plate is provided with a machining groove for arranging the nozzle seat, the machining groove comprises an arrangement through groove for arranging the first mounting protrusion and the second mounting protrusion, a first arrangement groove arranged on one side of the arrangement through groove and used for arranging the first mounting seat, and a second arrangement groove arranged on the other side of the arrangement through groove and used for arranging the second mounting seat; the mounting plate is further provided with an arrangement through hole penetrating through the mounting plate at the first arrangement groove; the clamping mechanism comprises a first clamping assembly arranged on one side of the machining groove and used for pressing the first mounting seat, and a second clamping assembly arranged on the other side of the machining groove and used for pressing the second mounting seat.

[0008] By adopting the technical scheme, in the machining process of the nozzle seat, the operator places the nozzle seat on the mounting plate, arranges the first mounting protrusion and the second mounting protrusion at the arrangement through groove, arranges the first mounting seat and the second mounting seat at the first arrangement groove and the second arrangement groove respectively, and then presses the nozzle seat against the mounting plate through the clamping mechanism; when the machining process of the bottom surface of the mounting bottom plate is completed, the driving mechanism drives the mounting plate to horizontally overturn, so as to machine the first mounting protrusion, the second mounting protrusion and the first mounting seat mounted on the top surface of the mounting bottom plate. Through the cooperation of the mounting plate, the clamping mechanism and the driving mechanism, the probability of the nozzle seat moving in the machining process is reduced, and the machining precision of the nozzle seat is improved.

[0009] Optionally, the bottom of the second arrangement groove is provided with a limiting protrusion inserted into the strip-shaped hole.

[0010] By adopting the technical scheme, the limiting protrusion inserted into the strip-shaped hole arranged at the bottom of the second arrangement groove is helpful to further limit the nozzle seat, reduce the probability of the nozzle seat moving in the machining process, and thus ensure the machining precision of the nozzle seat.

[0011] Optionally, the first clamping assembly comprises a first driving cylinder mounted on the bottom surface of the mounting plate, a first clamping block used for cooperating with the nozzle seat, and a first transmission connecting rod in transmission connection with the first driving cylinder and the first clamping block; the second clamping assembly comprises a second driving cylinder arranged opposite to the first driving cylinder, a second clamping block used for cooperating with the nozzle seat, and a second transmission connecting rod in transmission connection with the first driving cylinder and the second clamping block; the mounting plate is provided with a mounting through groove for allowing the piston rod to pass through.

[0012] By adopting the technical scheme, the specific structure of the first clamping assembly and the second clamping assembly is disclosed, the first clamping block is driven by the first driving cylinder to press the first mounting seat, the second clamping block is driven by the second driving cylinder to press the second mounting seat, so that the nozzle seat is pressed on the mounting plate, and the first driving cylinder and the second driving cylinder are arranged to help realize the rapid and accurate clamping of the nozzle seat.

[0013] Optionally, the first clamping block has a first displacement slot matched with the first corner portion, and the second clamping block has a second displacement slot matched with the second corner portion.

[0014] By adopting the technical scheme, the first displacement slot on the first clamping block and the second displacement slot on the second clamping block help to improve the tightness of the first clamping block and the second clamping block matched with the nozzle seat, and reduce the probability of the nozzle seat moving in the machining process.

[0015] Optionally, the driving mechanism comprises a first rotating frame mounted on the top surface of the rack and connected with one side of the mounting plate, a driving motor for driving the first rotating frame to rotate horizontally, and a second rotating frame arranged opposite to the first rotating frame and connected with the other side of the mounting plate; the rotation axis of the first rotating frame coincides with the rotation axis of the second rotating frame.

[0016] By adopting the technical scheme, the specific structure of the driving mechanism is disclosed, when the mounting plate needs to be turned over, the driving motor drives the first rotating frame to rotate horizontally, so that the second rotating frame is driven to rotate through the mounting plate connected with the first rotating frame, thereby realizing the turning over of the mounting plate. The rotation axis of the first rotating frame coincides with the rotation axis of the second rotating frame, which helps to ensure the smooth turning over of the mounting plate.

[0017] Optionally, at least three groups of the clamping mechanisms and the machining grooves corresponding to the clamping mechanisms are uniformly and interval arranged along the length direction of the mounting plate on the mounting plate.

[0018] By adopting the technical scheme, the at least three groups of clamping mechanisms and the machining grooves corresponding to the clamping mechanisms are uniformly and interval arranged along the length direction of the mounting plate on the mounting plate, which helps to improve the machining efficiency of the nozzle seat.

[0019] Optionally, the top surface of the rack is further provided with a collecting device for collecting machining debris; the collecting device comprises a layout bottom plate mounted on the top surface of the rack, a collecting box slidingly mounted on the top surface of the layout bottom plate and arranged at the bottom of the mounting plate, and a sliding driving assembly for driving the collecting box to slide along the length direction of the mounting plate.

[0020] By adopting the technical scheme, the collecting device is arranged to help collect the machining scraps generated by the nozzle seat during machining, and reduce the probability that the machining scraps scattered on the top surface of the rack affect subsequent operations. The arrangement of the sliding driving assembly enables the collecting box to slide along the length direction of the mounting plate, and helps the collecting box collect the machining scraps generated during machining as much as possible.

[0021] Optionally, the sliding driving assembly comprises a sliding table for mounting the collecting box, a driving lead screw rotatably mounted on the top surface of the rack, a sliding motor for driving the driving lead screw to rotate, a driving nut mounted on the sliding table and matched with the driving lead screw, a guide sliding rail parallel to the driving lead screw, and a guide sliding groove mounted on the sliding table and matched with the guide sliding rail; the driving lead screw is parallel to the length direction of the mounting plate.

[0022] By adopting the technical scheme, the specific structure of the sliding driving assembly is disclosed. The arrangement of the sliding table provides a stable mounting platform for the collecting box. The driving lead screw and the sliding motor drive the collecting box to slide along the length direction of the mounting plate. The cooperation between the guide sliding rail and the guide sliding groove helps guide the sliding process of the collecting box and reduce the probability of deviation of the collecting box during the sliding process.

[0023] Optionally, the bottom of the collecting box is provided with a mounting sliding block, and the top surface of the sliding table is provided with a mounting sliding groove for arranging the mounting sliding block; a positioning groove is arranged in the mounting sliding groove, a plunger hole is arranged in the mounting sliding block, and a ball head spring plunger is arranged in the plunger hole; when the collecting box is mounted on the sliding table, the plunger ball head of the ball head spring plunger is clamped in the positioning groove.

[0024] By adopting the technical scheme, the cooperation between the mounting sliding block and the mounting sliding groove helps realize quick mounting and dismounting of the collecting box on the sliding table. The cooperation between the plunger ball head of the ball head spring plunger and the positioning groove bracket helps improve the stability of mounting the collecting box on the sliding table and reduce the probability of dismounting the collecting box from the sliding table during the sliding process.

[0025] In summary, the present application has at least one of the following beneficial technical effects:

[0026] 1. A nozzle seat clamping tool, the arrangement of a machining through slot, a first arrangement slot and a second arrangement slot on a mounting plate enables the nozzle seat to be stably arranged on the mounting plate. The clamping mechanism presses the nozzle seat against the mounting plate, and the driving mechanism flips the mounting plate, which helps reduce the probability of loosening of the nozzle seat during machining and improves the machining precision of the nozzle seat.

[0027] 2. The second arrangement of the limiting protrusion in the groove helps to further limit the nozzle seat, reducing the probability of affecting the machining precision due to the nozzle seat moving during the machining process;

[0028] 3. The arrangement of the collecting device and the collecting box capable of sliding along the length direction of the mounting plate helps to collect the machining debris generated during the machining process of the nozzle seat, reducing the probability of affecting the subsequent machining process due to the accumulated machining debris. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 is a top view of the nozzle seat.

[0030] Figure 2 is a bottom view of the nozzle seat.

[0031] Figure 3 is a structure diagram of the clamping tool of the nozzle seat in the embodiment of the application.

[0032] Figure 4 is a diagram of the machining groove cooperating with the nozzle seat in the embodiment of the application.

[0033] Figure 5 is a cross-sectional view of the first clamping assembly and the second clamping assembly in the embodiment of the application.

[0034] Figure 6 is a diagram of the collecting device in the embodiment of the application.

[0035] Figure 7 is a diagram of the sliding driving assembly in the embodiment of the application.

[0036] Figure 8 is a diagram of the mounting sliding block cooperating with the mounting sliding groove in the embodiment of the application.

[0037] Figure 9 is a diagram of the ball head spring plunger cooperating with the positioning groove in the embodiment of the application.

[0038] Explanation of reference signs: 1, rack; 2, mounting plate; 21, arrangement through slot; 22, first arrangement slot; 221, plug-in through slot; 222, abutment slot; 23, second arrangement slot; 231, limiting protruding column; 24, arrangement through hole; 25, mounting through slot; 31, first clamping assembly; 311, first drive air cylinder; 312, first clamping block; 3121, first give-way slot; 313, first transmission connecting rod; 32, second clamping assembly; 321, second drive air cylinder; 322, second clamping block; 3221, second give-way slot; 323, second transmission connecting rod; 41, first rotary frame; 411, first support upright column; 412, first rotary seat; 42, drive motor; 43, second rotary frame; 431, second support upright column; 432, second rotary seat; 51, collection box; 511, mounting sliding block; 5111, plunger hole; 52, sliding drive assembly; 521, sliding table; 5211, guide sliding groove; 5212, mounting sliding groove; 52121, positioning slot; 522, drive lead screw; 523, sliding motor; 524, drive nut; 525, guide sliding rail; 53, ball head spring plunger; 531, plunger ball head; 54, arrangement base plate; 55, transmission assembly; 551, first sprocket; 552, second sprocket; 553, transmission chain; 6, nozzle seat; 61, mounting base plate; 62, first mounting seat; 621, mounting through hole; 63, second mounting seat; 631, strip-shaped hole; 64, first mounting protruding column; 641, first mounting hole; 642, mounting protrusion; 65, second mounting protruding column; 651, second mounting hole; 66, first corner portion; 67, second corner portion; 68, mounting slot. DETAILED DESCRIPTION

[0039] The following will be described in detail below with reference to the accompanying drawings. Figures 1-9 The present application is further described in detail.

[0040] The present application discloses a clamping tool for nozzle seat. Referring to Figure 3 The clamping tool for nozzle seat comprises a rack 1, a mounting plate 2 arranged on the top surface of the rack 1, a clamping mechanism mounted on the mounting plate 2 and used for pressing the nozzle seat 6 against the mounting plate 2, and a drive mechanism horizontally and rotatably mounted on the top surface of the rack 1. The top surface of the rack 1 is horizontally arranged.

[0041] Referring to Figure 4, the mounting plate 2 is a cuboid plate, and a processing groove for arranging the nozzle seat 6 is arranged on the mounting plate 2. The processing groove comprises an arrangement through groove 21 for arranging the first mounting column 64 and the second mounting column 65, a first arrangement groove 22 arranged on one side of the arrangement through groove 21 and used for arranging the first mounting seat 62, and a second arrangement groove 23 arranged on the other side of the arrangement through groove 21 and used for arranging the second mounting seat 63. The first arrangement groove 22 has an insertion through groove 221 for inserting the mounting protrusion 642 on one side of the top surface of the first mounting seat 62 and communicating with the arrangement through groove 21, and an abutting groove 222 for abutting the top surface of the first mounting seat 62. The mounting plate 2 is also provided with an arrangement through hole 24 penetrating the mounting plate 2 at the abutting groove 222, thereby facilitating the processing of the mounting through hole 621 on the first mounting seat 62. In order to further position and limit the nozzle seat 6 arranged in the processing groove, the bottom of the second arrangement groove 23 has a limiting protrusion 231 inserted into the strip-shaped hole 631 on the second mounting seat 63.

[0042] With reference to Figure 3 and Figure 5 , the clamping mechanism comprises a first clamping assembly 31 for pressing the first mounting seat 62 in the first arrangement groove 22 and a second clamping assembly 32 arranged opposite to the first clamping assembly 31 for pressing the second mounting seat 63 in the second arrangement groove 23. The first clamping assembly 31 comprises a first driving cylinder 311 arranged on the bottom surface of the mounting plate 2 and located on one side of the processing groove, a first clamping block 312 for cooperating with the nozzle seat 6, and a first transmission connecting rod 313 transmissionally connecting the first driving cylinder 311 and the first clamping block 312. The second clamping assembly 32 comprises a second driving cylinder 321 located on the other side of the processing groove, a second clamping block 322 for cooperating with the nozzle seat 6, and a second transmission connecting rod 323 transmissionally connecting the second driving cylinder 321 and the second clamping block 322. The first clamping block 312 has a first accommodation groove 3121 for cooperating with the first corner portion 66 on the nozzle seat 6, and the second clamping block 322 has a second accommodation groove 3221 for cooperating with the second corner portion 67 on the nozzle seat 6. The arrangement of the first accommodation groove 3121 and the second accommodation groove 3221 helps to improve the pressing effect of the first clamping block 312 and the second clamping block 322 on the first mounting seat 62 and the second mounting seat 63. In order to facilitate the extension of the piston rod of the first driving cylinder 311 and the second driving cylinder 321, the mounting plate 2 is provided with a mounting through groove 25 for the piston rod to pass through.

[0043] With reference to Figure 3The driving mechanism is used to drive the mounting plate 2 to overturn so as to process the nozzle seat 6. The driving mechanism comprises a first rotating frame 41 mounted on the top surface of the rack 1, a driving motor 42 used to drive the first rotating frame 41 to rotate horizontally, and a second rotating frame 43 arranged opposite to the first rotating frame 41. The rotating axis of the first rotating frame 41 coincides with the rotating axis of the second rotating frame 43. The first rotating frame 41 comprises a first supporting column 411 and a first rotating seat 412 rotatably mounted on the first supporting column 411 and threadedly connected with one side of the mounting plate 2, and the second rotating frame 43 comprises a second supporting column 431 and a second rotating seat 432 rotatably mounted on the second supporting column 431 and threadedly connected with the other side of the mounting plate 2. When the driving motor 42 drives the first rotating seat 412 to rotate, the first rotating seat 412 drives the mounting plate 2 to overturn, thereby driving the second rotating seat 432 to rotate synchronously. In order to improve the working efficiency of the clamping tool of the nozzle seat 6, at least three groups of clamping mechanisms are uniformly and spacedly arranged on the mounting plate 2 along the length direction of the mounting plate 2, and processing grooves corresponding to the clamping mechanisms and used for arranging the nozzle seat 6 are arranged on the mounting plate 2. In the embodiment, the number of the clamping mechanisms on the mounting plate 2 is six, and the overturning angle of the mounting plate 2 is 180°.

[0044] With reference to Figure 3 and Figure 6 , in order to collect the processing debris generated when the nozzle seat 6 is processed, the top surface of the rack 1 is further provided with a collecting device. The collecting device comprises an arrangement bottom plate 54 mounted on the top surface of the rack 1, a collecting box 51 slidably mounted on the top surface of the arrangement bottom plate 54 and arranged at the bottom of the mounting plate 2, and a sliding driving assembly 52 used to drive the collecting box 51 to slide along the length direction of the mounting plate 2. The collecting box 51 is a rectangular parallelepiped structure with an open upper end.

[0045] With reference to Figure 6 and Figure 7 , the sliding driving assembly 52 comprises a sliding table 521 used for mounting the collecting box 51, a driving lead screw 522 rotatably mounted on the top surface of the rack 1, a sliding motor 523 used to drive the driving lead screw 522 to rotate, a transmission assembly 55 in transmission connection with the driving lead screw 522 and the sliding motor 523, a driving nut 524 mounted on the sliding table 521 and used to cooperate with the driving lead screw 522, a guide sliding rail 525 arranged on the top surface of the rack 1 and parallel to the driving lead screw 522, and a guide sliding groove 5211 mounted on the bottom surface of the sliding table 521 and used to cooperate with the guide sliding rail 525. The driving lead screw 522 is parallel to the length direction of the mounting plate 2. The transmission assembly 55 comprises a first sprocket 551 connected with the driving lead screw 522, a second sprocket 552 connected with the sliding motor 523 and arranged corresponding to the first sprocket 551, and a transmission chain 553 connecting the first sprocket 551 and the second sprocket 552.

[0046] With reference to Figure 8 And Figure 9 In order to facilitate the installation and disassembly of the collecting box 51, the bottom of the collecting box 51 is provided with an installation sliding block 511, and the top surface of the sliding table 521 is provided with an installation sliding groove 5212 for arranging the installation sliding block 511. A positioning groove 52121 is arranged in the installation sliding groove 5212, a plunger hole 5111 is arranged in the installation sliding block 511, and a ball head spring plunger 53 is arranged in the plunger hole 5111. When the collecting box 51 is installed on the sliding table 521, the plunger ball head 531 of the ball head spring plunger 53 is clamped in the positioning groove 52121, which helps to reduce the probability of falling of the collecting box 51 during the sliding process. In the embodiment of the application, the installation sliding groove 5212 is a T-shaped sliding groove, and the installation sliding block 511 is a T-shaped sliding block.

[0047] The implementation principle of the clamping tool of the nozzle seat in the embodiment of the application is as follows: in the machining process of the nozzle seat 6, the operator first arranges the nozzle seat 6 in the machining groove on the mounting plate 2, presses the first mounting seat 62 in the first arrangement groove 22 through the first driving cylinder 311, presses the second mounting seat 63 in the second arrangement groove 23 through the second driving cylinder, thereby pressing the nozzle seat 6 on the mounting plate 2, then performs tapping on the mounting groove 68 of the nozzle seat 6, after tapping is completed, the driving mechanism drives the mounting plate 2 to horizontally overturn, then performs tapping on the first mounting hole 641, the second mounting hole 651 and the mounting through hole 621 of the nozzle seat 6 and performs die tapping on the first mounting protruding column 64 and the second mounting protruding column 65, thereby completing the machining process of the nozzle seat 6. Through the cooperation between the mounting plate 2, the clamping mechanism and the driving mechanism, the probability of movement of the nozzle seat 6 during the machining process is reduced, thereby improving the machining precision of the nozzle seat 6.

[0048] The above are preferred embodiments of the application, and do not limit the protection scope of the application, so that: equivalent changes made according to the structure, shape, principle of the application should be covered within the protection scope of the application.

Claims

1. A clamping tool for a nozzle seat, characterized in that The utility model provides a nozzle seat horizontal flip device, including frame (1), the installation plate (2) of arrangement in the top surface of frame (1), install in installation plate (2) and be used for the clamping mechanism of nozzle seat (6) is pressed tightly in installation plate (2) and the drive mechanism that is horizontally rotatory installation in frame (1) and is used for driving installation plate (2) horizontal flip, installation plate (2) is seted up with the processing groove for nozzle seat (6) arrangement, the processing groove includes the arrangement through groove (21) for first installation convex column (64) and second installation convex column (65) arrangement, the first arrangement groove (22) for first installation seat (62) arrangement is arranged in one side of arrangement through groove (21) and the second arrangement groove (23) for second installation seat (63) arrangement is arranged in the other side of arrangement through groove (21), installation plate (2) still has the arrangement through hole (24) of through installation plate (2) at first arrangement groove (22), the clamping mechanism includes the first clamping assembly (31) for pressing tightly first installation seat (62) in processing groove one side and the second clamping assembly (32) for pressing tightly second installation seat (63) in processing groove other side.

2. A nozzle holder jig according to claim 1, wherein The bottom of the second arrangement groove (23) has a limiting convex column (231) inserted into the strip-shaped hole (631).

3. A nozzle holder according to claim 1, wherein The first clamping assembly (31) includes a first drive cylinder (311) mounted on the bottom surface of the installation plate (2), a first clamping block (312) for cooperating with the nozzle seat (6), and a first transmission connecting rod (313) transmission connecting the first drive cylinder (311) and the first clamping block (312); the second clamping assembly (32) includes a second drive cylinder (321) arranged opposite to the first drive cylinder (311), a second clamping block (322) for cooperating with the nozzle seat (6), and a second transmission connecting rod (323) transmission connecting the second drive cylinder (321) and the second clamping block (322); the installation plate (2) is provided with an installation through groove (25) for the piston rod of the first drive cylinder (311) and the piston rod of the second drive cylinder (321) to pass through.

4. A nozzle holder gripping tool according to claim 3, wherein The first clamping block (312) has a first accommodation groove (3121) cooperating with the first corner portion (66), and the second clamping block (322) has a second accommodation groove (3221) cooperating with the second corner portion (67).

5. The nozzle holder assembly of claim 1 wherein, The drive mechanism includes a first rotary frame (41) mounted on the top surface of the frame (1) and connected to one side of the installation plate (2), a drive motor (42) for driving the first rotary frame (41) to rotate horizontally, and a second rotary frame (43) arranged opposite to the first rotary frame (41) and connected to the other side of the installation plate (2); the rotation axis of the first rotary frame (41) coincides with the rotation axis of the second rotary frame (43).

6. A nozzle holder gripping tool according to claim 1, wherein At least three sets of clamping mechanisms and processing grooves corresponding to the clamping mechanisms are uniformly arranged on the installation plate (2) along the length direction of the installation plate (2).

7. A nozzle holder gripping tool according to claim 1, wherein The top surface of the rack (1) is further provided with a collecting device for collecting machining scraps; the collecting device comprises a layout base plate (54) installed on the top surface of the rack (1), a collecting box (51) slidingly installed on the top surface of the layout base plate (54) and arranged at the bottom of the mounting plate (2), and a sliding drive assembly (52) for driving the collecting box (51) to slide along the length direction of the mounting plate (2).

8. A nozzle holder gripping tool according to claim 7, wherein The sliding drive assembly (52) comprises a sliding table (521) for mounting the collecting box (51), a drive lead screw (522) rotatably installed on the top surface of the rack (1), a sliding motor (523) for driving the drive lead screw (522) to rotate, a transmission assembly (55) in transmission connection with the drive lead screw (522) and the sliding motor (523), a drive nut (524) installed on the sliding table (521) and matched with the drive lead screw (522), a guide slide rail (525) parallel to the drive lead screw (522), and a guide slide groove (5211) installed on the sliding table (521) and matched with the guide slide rail (525); the drive lead screw (522) is parallel to the length direction of the mounting plate (2).

9. A nozzle holder gripping tool according to claim 8, wherein, The transmission assembly (55) comprises a first sprocket (551) connected with the drive lead screw (522), a second sprocket (552) connected with the sliding motor (523) and corresponding to the first sprocket (551), and a transmission chain (553) connecting the first sprocket (551) and the second sprocket (552).

10. A nozzle holder gripping tool according to claim 8, wherein The bottom of the collecting box (51) is provided with a mounting sliding block (511), and the top surface of the sliding table (521) is provided with a mounting slide groove (5212) for arranging the mounting sliding block (511); a positioning groove (52121) is formed in the mounting slide groove (5212), a plunger hole (5111) is formed in the mounting sliding block (511), and a ball head spring plunger (53) is arranged in the plunger hole (5111); when the collecting box (51) is mounted on the sliding table (521), the plunger ball head (531) of the ball head spring plunger (53) is clamped in the positioning groove (52121).

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