Rotary fixer of laser marking machine

Abstract

The utility model discloses a rotary fixer of a laser marking machine. The rotary fixer comprises a processing piece, a driving motor, a motor mounting plate, a first clamping part, a second clamping part, an adjusting base and a supporter, the first clamping part comprises a first clamping block, a first connecting shaft, a first adjusting plate and a first bearing; the second clamping part comprises a second clamping block, a second connecting shaft, a second adjusting plate, a spring shaft, a second bearing, a third bearing and a spring fixing seat; according to the utility model, through the first clamping block and the second clamping block, the stability of a workpiece in the rotating process is improved, displacement is prevented, and the marking quality is improved; the aluminum profile on the base is adjusted, so that the first adjusting plate and the second adjusting plate are more convenient to install and debug; the supporting device ensures that the rotating axis and the rotating center of the clamping block are kept concentric, and the marking effect is improved; the left and right limiters are matched with the rubber-coated rollers, so that the circle center of a machined part can be quickly found, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of mixing devices, in particular to a rotary fixer for a laser marking machine. Background Art

[0002] In laser marking machines, the stability and accuracy of the clamping device are crucial to the marking effect. Commonly used marking workpieces are generally flat, however, some workpieces are round or cylindrical, which requires personnel to rotate the workpiece during laser marking, which can easily lead to the following situations:

[0003] Unstable clamping: Traditional clamping devices are prone to shifting when the workpiece rotates, resulting in inaccurate marking positions and affecting marking quality.

[0004] Complex debugging: Adjusting the concentricity and clamping force of the clamping device requires a lot of time and effort, increasing production costs.

[0005] Poor adaptability: Workpieces of different shapes and sizes require different clamping devices, and traditional clamping devices are difficult to adapt to diverse processing needs Utility Model Content

[0006] In view of some of the defects of the prior art, the utility model provides a rotary fixture for a laser marking machine, comprising: a workpiece, a driving motor, a motor mounting plate, a first clamping portion, a second clamping portion, an adjustment base, and a support; the driving motor is fixedly connected to the motor mounting plate; the motor mounting plate is fixedly connected to the first clamping portion; the support is fixedly connected to the adjustment base;

[0007] The first clamping portion includes: a first clamping block, a first connecting shaft, a first adjustment plate, and a first bearing; the first adjustment plate and the first connecting shaft are connected to the first bearing; the first connecting shaft is fixedly connected to the output shaft of the drive motor; the first adjustment plate is fixedly connected to the adjustment base; the first clamping block is fixedly connected to the first connecting shaft;

[0008] The second clamping part includes: a second clamping block, a second connecting shaft, a second adjusting plate, a spring shaft, a second bearing, a third bearing, and a spring fixing seat; the second adjusting plate is fixedly connected to the adjusting base; the spring fixing seat is fixedly connected to the second adjusting plate; the spring shaft is respectively connected to the spring fixing seat and the second adjusting plate through the second bearing and the third bearing; the spring shaft is fixedly connected to the second connecting shaft; the second connecting shaft is fixedly connected to the second clamping block; the spring shaft has an interference fit with the second bearing; the axial clearance of the spring shaft fits the third bearing; the distance between the second bearing and the third bearing is less than the length of the spring shaft when it is fully compressed.

[0009] In this technical solution, the first clamping block and the second clamping block are used to clamp the workpiece, and the distance between the first adjustment plate and the second adjustment plate is adjusted to adjust the first clamping block and the second clamping block to clamp the workpiece; the first clamping block is driven to rotate by the drive motor, driving the second clamping block and the workpiece to rotate; the interference fit of the spring shaft with the second bearing is conducive to the rotation of the spring shaft with the second clamping block; the clearance fit of the spring shaft with the third bearing is conducive to the smoothness of the spring shaft when extending and retracting, thereby facilitating the disassembly and assembly of the workpiece.

[0010] In a specific embodiment, an aluminum profile is further provided on the adjustment base; a limiting groove is provided on the adjustment base; the width of the limiting groove is slightly larger than the first adjustment plate; a profile groove is provided at the lower part of the adjustment base; and the aluminum profile is fixedly connected to the profile groove.

[0011] In this technical solution, the aluminum profile is fixedly connected to the profile groove; a spring nut can be inserted into the aluminum profile to facilitate the installation and debugging distance of the first adjustment plate and the second adjustment plate; the limit groove ensures the concentricity between the first clamping block and the second clamping block, facilitating debugging.

[0012] In a specific embodiment, the support device includes: a support base, a rotating shaft, and a rubber-coated roller; the rubber-coated roller bearing is connected to the rotating shaft; and the rotating shaft is fixedly connected to the support base.

[0013] In this technical solution, the rubber-coated roller on the support is in contact with the workpiece; when the workpiece rotates, the rubber-coated roller also rotates, and during the rotation process, the installation deviation of the workpiece is corrected, so that the rotation axis of the workpiece and the rotation center of the first clamping block and the second clamping block maintain concentricity, thereby improving the marking effect.

[0014] In a specific embodiment, it is characterized in that the support base also includes: a support cover, a linear bearing, a shaft column, and a spring; the linear bearing is fixedly connected to the support cover; the shaft column bearing is connected to the linear bearing; and the spring is fixedly connected to the support cover and the support base.

[0015] In this technical solution, the support base is connected to the support cover through the shaft column and the linear bearing; the spring is arranged between the support cover and the support base; the elastic force of the spring is slightly smaller than the gravity of the workpiece; the rubber-coated roller supports the workpiece with irregular surface under the action of the spring, further improving the applicability of the support base

[0016] In a specific embodiment, the fixture further includes left and right limiters; the left and right limiters are provided with a contouring platform similar in shape to the workpiece; and a lubricating layer is attached to the contouring platform.

[0017] In this technical solution, the left and right limiters cooperate with the rubber-coated roller to further increase the speed of finding the circular shape of the workpiece and increase production efficiency; the lubricating layer requires a low surface friction coefficient and certain anti-scratch properties, such as Teflon.

[0018] In a specific embodiment, the surfaces of the first clamping block and the second clamping block are affixed with an anti-slip layer, and the anti-slip layer is provided with a convex shape.

[0019] In this technical solution, the anti-slip layer is used to increase the friction between the first clamping block, the second clamping block and the workpiece, thereby increasing the clamping stability, preventing the workpiece from shifting during rotation, and improving the marking quality.

[0020] In a specific embodiment, the driving motor is a servo motor; and a driver matching the servo motor is electrically connected to a laser marking machine.

[0021] In this technical solution, the driving motor can control its rotation speed and rotation path direction according to the driver, and the driver and the laser marking machine are electrically connected and can cooperate with each other to produce multiple reciprocating paths, thereby improving the flexibility of meeting the standards.

[0022] The beneficial effects of the utility model are: by improving the designs of the clamping block, the adjustment plate and the supporter, the clamping stability is improved, the debugging and installation are facilitated, the adaptability is enhanced, and the production efficiency is significantly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a structural diagram of a rotary fixture for a laser marking machine in a specific embodiment of the present utility model;

[0024] Figure 2 This is a structural diagram of a clamping portion of a rotary fixture of a laser marking machine in a specific embodiment of the present utility model;

[0025] Figure 3 This is a structural diagram of a rotary fixture support for a laser marking machine in a specific embodiment of the present utility model;

[0026] Figure 4 This is a structural diagram of the left and right limiters of a rotary fixer of a laser marking machine in a specific embodiment of the present utility model;

[0027] Figure 5 It is a structural schematic diagram of the second clamping part of a rotary fixer of a laser marking machine in a specific implementation of the utility model. DETAILED DESCRIPTION

[0028] The utility model will be further explained in connection with the drawings and embodiments:

[0029] As Figure 1-Figure 5 In the first embodiment of the utility model provides a kind of laser marking machine rotary fixator, comprising: workpiece 100, drive motor 200, motor mounting plate 201, first clamping part 300, second clamping part 400, adjusting base 500, support 600;The drive motor 200 is fixedly connected with the motor mounting plate 201;The motor mounting plate 201 is fixedly connected with the first clamping part 300;The support 600 is fixedly connected with the adjusting base 500;

[0030] The first clamping part 300 includes: first clamping block 301, first connecting shaft 302, first adjusting plate 303, first bearing 304;The first adjusting plate 303, the first connecting shaft 302 bearing connects the first bearing 304;The first connecting shaft 302 is fixedly connected with the output shaft of the drive motor 200;The first adjusting plate 303 is fixedly connected with the adjusting base 500;The first clamping block 301 is fixedly connected with the first connecting shaft 302;

[0031] The second clamping part 400 includes: second clamping block 401, second connecting shaft 402, second adjusting plate 403, spring 6014 shaft 404, second bearing 405, third bearing 406, spring 6014 fixed seat 407;The second adjusting plate 403 is fixedly connected with the adjusting base 500;The spring 6014 fixed seat 407 is fixedly connected with the second adjusting plate 403;The spring 6014 shaft 404 is connected with the spring 6014 fixed seat 407, the second adjusting plate 403 respectively by the second bearing 405, the third bearing 406;The spring 6014 shaft 404 is fixedly connected with the second connecting shaft 402;The second connecting shaft 402 is fixedly connected with the second clamping block 401;The spring 6014 shaft 404 is interference fit with the second bearing 405;The axial clearance of the spring 6014 shaft 404 is fitted with the third bearing 406;The distance between the second bearing 405 and the third bearing 406 is less than the length when the spring 6014 shaft 404 is completely compressed.

[0032] In this embodiment, the first clamping block 301 and the second clamping block 401 are used to clamp the workpiece 100, and the distance between the first adjustment plate 303 and the second adjustment plate 403 is adjusted to adjust the first clamping block 301 and the second clamping block 401 to clamp the workpiece 100; the first clamping block 301 is driven to rotate by the drive motor 200, driving the second clamping block 401 and the workpiece 100 to rotate; the interference fit of the spring 6014 shaft 404 with the second bearing 405 is conducive to the rotation of the spring 6014 shaft 404 along with the second clamping block 401; the clearance fit of the spring 6014 shaft 404 with the third bearing 406 is conducive to the smoothness of the spring 6014 shaft 404 when extending and retracting, thereby facilitating the disassembly and assembly of the workpiece 100.

[0033] Furthermore, an aluminum profile 501 is provided on the adjustment base 500; a limiting groove is provided on the adjustment base 500; the width of the limiting groove is slightly larger than the first adjustment plate 303; a profile groove is provided at the lower part of the adjustment base 500; the aluminum profile 501 is fixedly connected to the profile groove.

[0034] In this embodiment, the aluminum profile 501 is fixedly connected to the profile groove; a spring nut can be inserted into the aluminum profile 501 to facilitate the installation and debugging distance of the first adjustment plate 303 and the second adjustment plate 403; the limit groove ensures the concentricity between the first clamping block 301 and the second clamping block 401, which is convenient for debugging.

[0035] Furthermore, the support 600 includes: a support base 601 , a rotating shaft 602 , and a rubber-coated roller 603 ; the rubber-coated roller 603 is connected to the rotating shaft 602 via a bearing; and the rotating shaft 602 is fixedly connected to the support base 601 .

[0036] In this embodiment, the rubber-coated roller 603 on the support 600 is in contact with the workpiece 100; when the workpiece 100 rotates, the rubber-coated roller 603 also rotates, and during the rotation process, the installation deviation of the workpiece 100 is corrected, so that the center of the rotating axis 602 of the workpiece 100 maintains concentricity with the rotation center of the first clamping block 301 and the second clamping block 401, thereby improving the marking effect.

[0037] Further, it is characterized in that the support base 601 also includes: a support cover 6011, a linear bearing 6012, a shaft column 6013, and a spring 6014; the linear bearing 6012 is fixedly connected to the support cover 6011; the shaft column 6013 is connected to the linear bearing 6012; and the spring is fixedly connected to the support cover 6011 and the support base 601.

[0038] In this embodiment, the support base 601 is connected to the support cover 6011 through the shaft column 6013 and the linear bearing 6012; the spring 6014 is provided between the support cover 6011 and the support base 601; the elastic force of the spring 6014 is slightly smaller than the gravity of the workpiece 100; the rubber-coated roller 603 supports the workpiece 100 with an irregular surface under the action of the spring 6014, further improving the applicability of the support base 601

[0039] Furthermore, the fixture further includes left and right limiters 700 ; the left and right limiters 700 are provided with a profiling platform 701 having a similar appearance to the workpiece 100 ; and a lubricating layer 702 is attached to the profiling platform 701 .

[0040] In this embodiment, the left and right limiters 700 cooperate with the rubber-coated roller 603 to further increase the speed of finding the circular shape of the workpiece 100 and increase production efficiency; the lubricating layer 702 requires a low surface friction coefficient and certain anti-scratch properties, such as Teflon.

[0041] Furthermore, an anti-slip layer 340 is attached to the surface of the first clamping block 301 and the second clamping block 401 , and a convex shape is provided on the anti-slip layer 340 .

[0042] In this embodiment, the anti-slip layer 340 is used to increase the friction between the first clamping block 301, the second clamping block 401 and the workpiece 100, thereby increasing the clamping stability, preventing the workpiece 100 from shifting during rotation, and improving the marking quality.

[0043] Furthermore, the driving motor 200 is a servo motor; and the driver matched with the servo motor is electrically connected to the laser marking machine.

[0044] In this embodiment, the driving motor 200 can control its rotation speed and rotation path direction according to the driver. The driver and the laser marking machine are electrically connected and can cooperate with each other to produce multiple reciprocating paths, thereby improving the flexibility of meeting the standards.

[0045] The above describes in detail the preferred embodiments of the present invention. It should be understood that those skilled in the art can make numerous modifications and variations based on the concepts of the present invention without inventive effort. Therefore, any technical solutions that can be derived by those skilled in the art based on the concepts of the present invention through logical analysis, reasoning, or limited experimentation based on the existing technology should be within the scope of protection defined by the claims.

Claims

1. A rotary fixture for a laser marking machine, characterized in that: include: Workpiece, drive motor, motor mounting plate, first clamping part, second clamping part, adjustment base, support; The driving motor is fixedly connected to the motor mounting plate; The motor mounting plate is fixedly connected to the first clamping portion; The support is fixedly connected to the adjustment base; The first clamping portion includes: a first clamping block, a first connecting shaft, a first adjustment plate, and a first bearing; the first adjustment plate and the first connecting shaft are connected to the first bearing; the first connecting shaft is fixedly connected to the output shaft of the drive motor; the first adjustment plate is fixedly connected to the adjustment base; the first clamping block is fixedly connected to the first connecting shaft; The second clamping part includes: a second clamping block, a second connecting shaft, a second adjusting plate, a spring shaft, a second bearing, a third bearing, and a spring fixing seat; the second adjusting plate is fixedly connected to the adjusting base; the spring fixing seat is fixedly connected to the second adjusting plate; the spring shaft is respectively connected to the spring fixing seat and the second adjusting plate through the second bearing and the third bearing; the spring shaft is fixedly connected to the second connecting shaft; the second connecting shaft is fixedly connected to the second clamping block; the spring shaft has an interference fit with the second bearing; the axial clearance of the spring shaft fits the third bearing; the distance between the second bearing and the third bearing is less than the length of the spring shaft when it is fully compressed.

2. A rotary fixture for a laser marking machine as claimed in claim 1, characterized in that: An aluminum profile is also provided on the adjustment base; a limiting groove is provided on the adjustment base; the width of the limiting groove is slightly larger than the first adjustment plate; a profile groove is provided at the lower part of the adjustment base; and the aluminum profile is fixedly connected to the profile groove.

3. A rotary fixture for a laser marking machine as claimed in claim 1, characterized in that: The supporter includes: a support base, a rotating shaft, and a rubber-coated roller; the rubber-coated roller bearing is connected to the rotating shaft; and the rotating shaft is fixedly connected to the support base.

4. A rotary fixture for a laser marking machine as claimed in claim 3, characterized in that: The support base also includes: a support cover, a linear bearing, a shaft column, and a spring; the linear bearing is fixedly connected to the support cover; the shaft column bearing is connected to the linear bearing; and the spring is fixedly connected to the support cover and the support base.

5. The rotary fixture for a laser marking machine according to claim 1, characterized in that: The fixer also includes left and right limiters; the left and right limiters are provided with a profiling platform similar in shape to the workpiece; and a lubricating layer is attached to the profiling platform.

6. A rotary fixture for a laser marking machine as claimed in claim 1, characterized in that: The surfaces of the first clamping block and the second clamping block are affixed with an anti-slip layer, and the anti-slip layer is provided with a convex shape.

7. The rotary fixture for a laser marking machine according to claim 1, characterized in that: The driving motor is a servo motor; the driver matched with the servo motor is electrically connected to the laser marking machine.

Images