A workpiece clamping assembly and workpiece engraving equipment

Abstract

The utility model discloses a workpiece clamping assembly and workpiece engraving equipment, wherein the workpiece clamping assembly comprises: a base, a Y-axis moving module, a workpiece clamping assembly, a feeding assembly and a floating nozzle assembly, wherein the Y-axis moving module is arranged on the base, and the workpiece clamping assembly, the feeding assembly and the floating nozzle assembly are arranged on the Y-axis moving module; the workpiece clamping assembly comprises a pneumatic rotary chuck, a hollow reducer and a driving cylinder, wherein the hollow reducer is connected between the pneumatic rotary chuck and the driving cylinder, and the pneumatic rotary chuck is used to clamp the workpiece and rotate the workpiece under the drive of the driving cylinder; the feeding assembly comprises a screw guide rail and a servo motor, and the screw guide rail is used to drive the workpiece to move forward and backward under the drive of the servo motor; during operation, one end of the workpiece is movably arranged in the floating nozzle assembly, and rotates under the action of the workpiece clamping assembly, and / or moves forward and backward under the action of the feeding assembly. The utility model can avoid vibration of the workpiece during processing, and avoid wear of the workpiece by the workpiece clamping assembly, thereby improving processing accuracy.

Description

Technical Field

[0001] The utility model relates to the technical field of parts processing, in particular to a carving workpiece clamping component and a carving workpiece equipment. Background Art

[0002] At present, when engraving patterns on tubular objects, one end of the tubular object is usually clamped on a lathe, the lathe drives the tubular object to rotate, and the milling cutter moves on the tubular object to engrave the pattern. Since the tubular object is long and strip-shaped, it is easy to vibrate during the engraving process, which affects the engraving accuracy.

[0003] In order to solve this technical problem, in the prior art, a concave support is usually added to the tubular object, and the tubular object is inserted into the concave support, and the concave support can move along the axial direction of the tubular object. During the engraving process, the milling cutter is located in the middle of the concave support and moves with the concave support to engrave the tubular object. With this solution, the concave support is easy to wear the engraved pattern during the movement, thereby affecting the engraving accuracy. Utility Model Content

[0004] The main purpose of the utility model is to provide a workpiece clamping assembly and a workpiece engraving device, aiming to improve the processing accuracy of pattern engraving.

[0005] To achieve the above-mentioned purpose, the utility model provides a workpiece clamping assembly for engraving, comprising: a base, a Y-axis moving module, a workpiece clamping assembly, a feeding assembly and a floating nozzle assembly, wherein the Y-axis moving module is arranged on the base, and the workpiece clamping assembly, the feeding assembly and the floating nozzle assembly are arranged on the Y-axis moving module;

[0006] The workpiece clamping assembly comprises a pneumatic rotary chuck, a hollow reducer and a driving cylinder, wherein the hollow reducer is connected between the pneumatic rotary chuck and the driving cylinder, and the pneumatic rotary chuck is used to clamp the workpiece and rotate the workpiece under the drive of the driving cylinder;

[0007] The feeding assembly includes a screw guide rail and a servo motor, and the screw guide rail is used to drive the workpiece to move forward and backward under the drive of the servo motor;

[0008] During operation, one end of the workpiece is movably arranged in the floating nozzle assembly, and rotates under the action of the workpiece clamping assembly, and / or moves forward and backward under the action of the feeding assembly.

[0009] A further technical solution of the utility model is that the float nozzle assembly includes a support seat, a bearing assembly, a locking nozzle, a float nozzle sleeve and a float nozzle locking nut;

[0010] The locking nozzle is embedded in the front end of the floating nozzle sleeve, the floating nozzle locking nut is used to fix the locking nozzle, and the supporting seat is connected to the bearing assembly;

[0011] When in use, the bearing assembly and the lock nozzle rotate, so that the workpiece moves back and forth in the center of the lock nozzle, thereby protecting the processing accuracy and wear of the workpiece.

[0012] A further technical solution of the utility model is that the outer diameter of the front end of the float nozzle sleeve is greater than the outer diameter of the rear end, a first step structure is provided between the front end and the rear end of the float nozzle sleeve, and the bearing assembly is sleeved on the rear end of the float nozzle sleeve.

[0013] A further technical solution of the utility model is that the inner diameter of the front end of the float nozzle sleeve is larger than the inner diameter of the rear end, and a second step structure is formed between the front end inner wall and the rear end inner wall of the float nozzle sleeve.

[0014] A further technical solution of the utility model is that the lock mouth is a conical structure.

[0015] A further technical solution of the utility model is that the bearing assembly includes a pressure cover, a bearing seat, and a locking nut. A first bearing, a first oil seal, a first spacer ring, a second bearing, a second oil seal and a second spacer ring are arranged in the bearing seat. The pressure cover is fixedly connected to the bearing seat. The first spacer ring, the first bearing, the second spacer ring and the second bearing are sleeved on the rear end of the float nozzle sleeve. The first oil seal is sleeved on the first spacer ring, and the second oil seal is sleeved on the second spacer ring. The first oil seal and the first spacer ring are located between the oil seal and the first bearing. The second oil seal and the second spacer ring are located between the second bearing and the locking nut. The locking nut is tightly arranged on the end of the float nozzle sleeve.

[0016] A further technical solution of the utility model is that it also includes a clamping jaw assembly, which is arranged on the supporting seat and is used for clamping the workpiece.

[0017] A further technical solution of the utility model is that the support seat includes a float nozzle mounting plate, a float nozzle bracket vertical plate, a float nozzle bracket rib plate and a float nozzle bracket bottom plate, the float nozzle mounting plate and the float nozzle bracket bottom plate are installed at both ends of the float nozzle bracket vertical plate, the float nozzle bracket rib plate is installed on the float nozzle mounting plate, and the float nozzle bracket bottom plate is installed between the float nozzle bracket vertical plates, and the clamping claw assembly is connected to the float nozzle mounting plate through the float nozzle bracket clamping support plate.

[0018] In order to achieve the above-mentioned purpose, the utility model also proposes a workpiece engraving device, which includes the workpiece engraving clamping assembly as described above.

[0019] A further technical solution of the utility model is that the workpiece carving equipment also includes a crossbeam and a milling cutter assembly, the crossbeam is arranged on the base and is located at one end of the Y-axis moving module, and the milling cutter assembly is arranged on the crossbeam and is located above the front end of the workpiece.

[0020] The beneficial effects of the engraving workpiece clamping assembly and the engraving workpiece equipment of the utility model are: vibration of the workpiece during processing can be avoided, and wear of the engraving workpiece clamping assembly on the processed workpiece can be avoided, thereby improving the processing accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0022] Figure 1 It is a schematic diagram of the overall structure of the workpiece engraving equipment of the utility model;

[0023] Figure 2 This is a rear view of the workpiece engraving device of the utility model;

[0024] Figure 3 It is a structural schematic diagram of the utility model workpiece engraving equipment without Y-axis protective cover and crossbeam;

[0025] Figure 4 This is a schematic diagram of the exploded structure of a preferred embodiment of the engraving workpiece clamping assembly of the utility model;

[0026] Figure 5 It is a schematic diagram of the overall structure of a preferred embodiment of the engraving workpiece clamping assembly of the utility model;

[0027] Figure 6 It is a top view of a preferred embodiment of the engraving workpiece clamping assembly of the utility model;

[0028] Figure 7 yes Figure 6 Cross-sectional view along the AA direction.

[0029] Description of Figure Numbers:

[0030] Base 1; crossbeam 2; workpiece clamping assembly 3; feeding assembly 4; float nozzle assembly 5; driving cylinder 6; screw guide rail 7; servo motor 8; Y-axis protective cover 9; Y-axis fixed cover 10; accordion cover 11; support seat 12; bearing assembly 13; locking nozzle 14; float nozzle sleeve 15; float nozzle locking nut 16; milling cutter assembly 17; pressure cover 18; bearing seat 19; locking nut 20; first bearing 21; first oil seal 22; first spacer ring 23; second bearing 24; second oil seal 25; second spacer ring 26; clamping jaw assembly 27; float nozzle mounting plate 28; float nozzle bracket vertical plate 29; float nozzle bracket rib plate 30; float nozzle bracket bottom plate 31; float nozzle bracket clamping support plate 32; X-axis moving module 33; Z-axis moving module 34; milling cutter 35; workpiece 36.

[0031] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] Taking into account the prior art when carving patterns on tubular objects, or because the tubular objects are long and strip-shaped, vibrations are likely to occur during the carving process, affecting the carving accuracy, or when concave supports are used as supports, the milling cutter processes the workpiece portion between the concave supports, and the concave supports are likely to wear out the carved patterns during movement, thereby affecting the carving accuracy. Therefore, the utility model proposes a solution.

[0034] Specifically, the utility model provides a workpiece clamping assembly for engraving, which can be applied to engraving and milling dual-purpose equipment such as four-axis or five-axis.

[0035] Please refer to Figures 1 to 7 A preferred embodiment of the engraving workpiece clamping assembly of the utility model includes: a base 1, a Y-axis moving module, a workpiece clamping assembly 3, a feeding assembly 4 and a floating nozzle assembly 5, the Y-axis moving module is arranged on the base 1, and the workpiece clamping assembly 3, the feeding assembly 4 and the floating nozzle assembly 5 are arranged on the Y-axis moving module.

[0036] The workpiece clamping assembly 3 includes a pneumatic rotary chuck, a hollow reducer and a driving cylinder 6, wherein the hollow reducer is connected between the pneumatic rotary chuck and the driving cylinder 6, and the pneumatic rotary chuck is used to clamp the workpiece 36 and rotate the workpiece 36 under the drive of the driving cylinder 6. The workpiece clamping assembly 3 uses the hollow reducer and the pneumatic rotary chuck to clamp the workpiece 36 and rotate it precisely.

[0037] The feeding assembly 4 includes a screw guide rail 7 and a servo motor 8. The screw guide rail 7 is used to drive the workpiece 36 to move forward and backward under the drive of the servo motor 8. The feeding assembly 4 mainly uses the screw guide rail 7 and the servo motor 8 to move the workpiece 36 back and forth accurately.

[0038] Specifically, in this embodiment, the Y-axis moving module includes a Y-axis protective cover 9 arranged on the base 1, a screw guide rail 7 is arranged in the Y-axis protective cover 9, a Y-axis fixed cover 10 is arranged on the Y-axis protective cover 9, an accordion cover 11 and a servo motor 8 are arranged on the Y-axis fixed cover 10, one end of the support seat 12 is fixedly connected to the Y-axis fixed cover 10, and the Y-axis fixed cover 10 is slidably connected to the screw guide rail 7. The Y-axis fixed cover 10 moves forward and backward along the screw guide rail 7 through the servo motor 8, thereby driving the workpiece 36 to move axially forward and backward.

[0039] The float nozzle assembly 5 is arranged on the Y-axis moving module. When working, one end of the workpiece 36 is movably arranged in the float nozzle assembly 5. The float nozzle assembly 5 is rotated under the action of the workpiece clamping assembly 3, and / or the center of the float nozzle assembly 5 moves back and forth under the action of the feeding assembly 4, and the processing accuracy and wear of the workpiece 36 are protected.

[0040] Specifically, in this embodiment, the float nozzle assembly 5 includes a support seat 12 , a bearing assembly 13 , a locking nozzle 14 , a float nozzle sleeve 15 and a float nozzle locking nut 2016 .

[0041] The locking nozzle 14 is embedded in the front end of the floating nozzle sleeve 15 , and the floating nozzle locking nut 2016 is used to fix the locking nozzle 14 . The support seat 12 is connected to the bearing assembly 13 .

[0042] When in use, the bearing assembly 13 and the locking mouth 14 rotate, so that the workpiece 36 moves back and forth in the center of the locking mouth 14 , thereby protecting the processing accuracy and wear of the workpiece 36 .

[0043] In this embodiment, the workpiece 36 can be, for example, a long strip or tubular object to be engraved with a pattern, and the inner diameter of the float nozzle sleeve 15 and the locking nozzle 14 is slightly larger than the outer diameter of the workpiece 36 to ensure that the workpiece 36 can rotate and / or move axially forward and backward in the float nozzle sleeve 15 and the locking nozzle 14 during processing.

[0044] The workpiece clamping assembly of this embodiment can be applied to workpiece engraving equipment or pattern engraving equipment. The workpiece engraving assembly includes a milling cutter 35 assembly 17, which is arranged on the crossbeam 2 and is located at the front end of the workpiece 36. The front end of the workpiece 36 passes through the floating nozzle assembly 5, and the floating nozzle assembly 5 supports and guides the workpiece 36 to avoid vibration of the workpiece 36 during processing, thereby improving the processing accuracy. During processing, since the milling cutter 35 assembly 17 is located at the front end of the workpiece 36, the processed workpiece 36, such as the engraved pattern, can avoid being worn by the floating nozzle assembly 5, thereby further improving the processing accuracy and quality.

[0045] Furthermore, in this embodiment, the outer diameter of the front end of the float nozzle sleeve 15 is greater than the outer diameter of the rear end, a first step structure is provided between the front end and the rear end of the float nozzle sleeve 15 , and the bearing assembly 13 is sleeved on the rear end of the float nozzle sleeve 15 .

[0046] The inner diameter of the front end of the float nozzle sleeve 15 is greater than the inner diameter of the rear end, and a second step structure is formed between the inner wall of the front end and the inner wall of the rear end of the float nozzle sleeve 15 .

[0047] The locking nozzle 14 is a conical structure. The end of the locking nozzle 14 with a smaller outer diameter is embedded in the front end of the floating nozzle sleeve 15, and the end with a larger outer diameter is fixed by the floating nozzle locking nut 2016.

[0048] The bearing assembly 13 includes a pressure cover 18, a bearing seat 19, and a locking nut 20. A first bearing 21, a first oil seal 22, a first spacer ring 23, a second bearing 24, a second oil seal 25, and a second spacer ring 26 are arranged in the bearing seat 19. The pressure cover 18 is fixedly connected to the bearing seat 19. The first spacer ring 23, the first bearing 21, the second spacer ring 26, and the second bearing 24 are sleeved on the rear end of the float nozzle sleeve 15. The first oil seal 22 is sleeved on the first spacer ring 23, and the second oil seal 25 is sleeved on the second spacer ring 26. The first oil seal 22 and the first spacer ring 23 are located between the first oil seal 22 and the first bearing 21. The second oil seal 25 and the second spacer ring 26 are located between the second bearing 24 and the locking nut 20. The locking nut 20 is tightly arranged on the end of the float nozzle sleeve 15.

[0049] In this embodiment, the engraving workpiece clamping assembly further includes a clamping jaw assembly 27, which is disposed on the support seat 12 and is used to clamp the workpiece 36. The clamping jaw assembly 27 is disposed on the support seat 12 and is used to clamp the workpiece 36 to be processed. In this embodiment, the clamping jaw assembly 27 clamps the workpiece 36, which can further improve the stability of the workpiece 36, avoid shaking, and further improve the processing accuracy.

[0050] In this embodiment, the support seat 12 includes a float nozzle mounting plate 28, a float nozzle bracket vertical plate 29, a float nozzle bracket rib plate 30 and a float nozzle bracket bottom plate 31. The float nozzle mounting plate 28 and the float nozzle bracket bottom plate 31 are installed at both ends of the float nozzle bracket vertical plate 29. The float nozzle bracket rib plate 30 is installed on the float nozzle mounting plate 28 and the float nozzle bracket bottom plate 31 is installed between the float nozzle bracket vertical plates 29. The clamping claw assembly 27 is connected to the float nozzle mounting plate 28 through the float nozzle bracket clamping support plate 32.

[0051] The beneficial effects of the engraving workpiece clamping assembly of the utility model are:

[0052] The utility model adopts the above technical scheme, including: a base, a Y-axis moving module, a workpiece clamping assembly, a feeding assembly and a floating nozzle assembly, the Y-axis moving module is arranged on the base, the workpiece clamping assembly, the feeding assembly and the floating nozzle assembly are arranged on the Y-axis moving module; the workpiece clamping assembly comprises a pneumatic rotating chuck, a hollow reducer and a driving cylinder, the hollow reducer is connected between the pneumatic rotating chuck and the driving cylinder, the pneumatic rotating chuck is used to clamp the workpiece and rotate the workpiece under the drive of the driving cylinder; the feeding assembly comprises a screw guide and a servo motor, the screw guide is used to drive the workpiece to move back and forth under the drive of the servo motor; during operation, one end of the workpiece is movably arranged in the floating nozzle assembly, and rotates under the action of the workpiece clamping assembly, and / or moves back and forth under the action of the feeding assembly, which can avoid the vibration of the workpiece 36 during processing, and avoid the wear of the engraved workpiece clamping assembly on the processed workpiece 36, thereby improving the processing accuracy.

[0053] To achieve the above purpose, the utility model also proposes a workpiece engraving device, which includes the above workpiece engraving clamping assembly. The structure and working principle of the workpiece engraving clamping assembly have been described in detail above and will not be repeated here.

[0054] In this embodiment, the workpiece engraving equipment also includes a beam 2 and a milling cutter assembly 17. The beam 2 is arranged on the base 1 and is located at one end of the Y-axis moving module. The milling cutter assembly 17 is arranged on the beam 2 and is located above the front end of the workpiece 36.

[0055] The milling cutter assembly 17 includes an X-axis moving module 33 disposed on the crossbeam 2 , and a Z-axis moving module 34 connected to the X-axis moving module 33 . A milling cutter 35 is disposed at the bottom of the Z-axis moving module 34 .

[0056] The front end of the workpiece 36 passes through the float nozzle assembly 5, which supports and guides the workpiece 36 to prevent the workpiece 36 from vibrating during processing, thereby improving the processing accuracy. During processing, since the milling cutter assembly 17 is located at the front end of the workpiece 36, the processed workpiece 36, such as the engraved pattern, can avoid being worn by the float nozzle assembly 5, thereby further improving the processing accuracy and quality.

[0057] The workpiece engraving device of the utility model can avoid the vibration of the workpiece during the processing, and avoid the wear of the engraving workpiece clamping component on the processed workpiece, thereby improving the processing accuracy.

[0058] The above description is only a preferred embodiment of the utility model, and does not limit the patent scope of the utility model. All equivalent structural changes made by using the contents of the utility model specification and drawings under the concept of the utility model, or directly / indirectly used in other related technical fields are included in the patent protection scope of the utility model.

Claims

1. A workpiece clamping assembly, characterized in that: include: A base, a Y-axis moving module, a workpiece clamping assembly, a feeding assembly and a floating nozzle assembly, wherein the Y-axis moving module is arranged on the base, and the workpiece clamping assembly, the feeding assembly and the floating nozzle assembly are arranged on the Y-axis moving module; The workpiece clamping assembly comprises a pneumatic rotary chuck, a hollow reducer and a driving cylinder, wherein the hollow reducer is connected between the pneumatic rotary chuck and the driving cylinder, and the pneumatic rotary chuck is used to clamp the workpiece and rotate the workpiece under the drive of the driving cylinder; The feeding assembly includes a screw guide rail and a servo motor, and the screw guide rail is used to drive the workpiece to move forward and backward under the drive of the servo motor; During operation, one end of the workpiece is movably arranged in the floating nozzle assembly, and rotates under the action of the workpiece clamping assembly, and / or moves forward and backward under the action of the feeding assembly.

2. The engraving workpiece clamping assembly according to claim 1, characterized in that: The float nozzle assembly includes a support seat, a bearing assembly, a locking nozzle, a float nozzle sleeve and a float nozzle locking nut; The locking nozzle is embedded in the front end of the floating nozzle sleeve, the floating nozzle locking nut is used to fix the locking nozzle, and the supporting seat is connected to the bearing assembly; When in use, the bearing assembly and the lock nozzle rotate, so that the workpiece moves back and forth in the center of the lock nozzle, thereby protecting the processing accuracy and wear of the workpiece.

3. The engraving workpiece clamping assembly according to claim 2, characterized in that: The outer diameter of the front end of the float nozzle sleeve is greater than the outer diameter of the rear end, a first step structure is provided between the front end and the rear end of the float nozzle sleeve, and the bearing assembly is sleeved on the rear end of the float nozzle sleeve.

4. The engraving workpiece clamping assembly according to claim 2, characterized in that: The inner diameter of the front end of the float nozzle sleeve is greater than the inner diameter of the rear end, and a second step structure is formed between the front end inner wall and the rear end inner wall of the float nozzle sleeve.

5. The engraving workpiece clamping assembly according to claim 4, characterized in that: The locking mouth is a conical structure.

6. The engraving workpiece clamping assembly according to claim 2, characterized in that: The bearing assembly includes a pressure cover, a bearing seat, and a locking nut. A first bearing, a first oil seal, a first spacer ring, a second bearing, a second oil seal, and a second spacer ring are arranged in the bearing seat. The pressure cover is fixedly connected to the bearing seat. The first spacer ring, the first bearing, the second spacer ring, and the second bearing are sleeved on the rear end of the float nozzle sleeve. The first oil seal is sleeved on the first spacer ring, and the second oil seal is sleeved on the second spacer ring. The first oil seal and the first spacer ring are located between the first oil seal and the first bearing. The second oil seal and the second spacer ring are located between the second bearing and the locking nut. The locking nut is tightly arranged on the end of the float nozzle sleeve.

7. The engraving workpiece clamping assembly according to claim 2, characterized in that: It also includes a clamping jaw assembly, which is arranged on the supporting seat and is used for clamping a workpiece.

8. The engraving workpiece clamping assembly according to claim 7, characterized in that: The support seat includes a float nozzle mounting plate, a float nozzle bracket vertical plate, a float nozzle bracket rib plate and a float nozzle bracket bottom plate. The float nozzle mounting plate and the float nozzle bracket bottom plate are installed at both ends of the float nozzle bracket vertical plate. The float nozzle bracket rib plate is installed on the float nozzle mounting plate, and the float nozzle bracket bottom plate is installed between the float nozzle bracket vertical plates. The clamping claw assembly is connected to the float nozzle mounting plate through the float nozzle bracket clamping support plate.

9. A workpiece engraving device, characterized in that: The workpiece engraving equipment comprises a workpiece engraving clamping assembly as claimed in any one of claims 1 to 8.

10. The workpiece engraving device according to claim 9, characterized in that: The workpiece engraving equipment also includes a crossbeam and a milling cutter assembly. The crossbeam is arranged on the base and located at one end of the Y-axis moving module. The milling cutter assembly is arranged on the crossbeam and located above the front end of the workpiece.

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