CN220330296U - Auxiliary positioning device for laser engraving - Google Patents

Abstract

The utility model provides a laser engraving auxiliary positioning device, which comprises a base, a driving shaft and a driving assembly, wherein the driving assembly is arranged on the base; at least two driving shafts are arranged, are rotationally connected with the base, are arranged side by side at intervals and are used for supporting workpieces; the driving assembly is connected with at least two driving shafts and drives the at least two driving shafts to rotate in the same direction. The driving assembly drives at least two driving shafts to rotate in the same direction, so that the driving shafts rotatably support the workpiece, and when the two driving shafts are arranged to synchronously rotate, the positioning device can rotatably support the workpiece; the radial machining size of the machined workpiece is guaranteed not to be distorted along with the change of the diameter of the machined workpiece, laser engraving of the workpiece is facilitated, labor force for manually correcting and adjusting parameters is saved, and different machined workpieces can be conveniently and rapidly switched.

Description

Auxiliary positioning device for laser engraving

Technical Field

The utility model relates to the field of engraving equipment, in particular to an auxiliary positioning device for laser engraving.

Background

The laser engraving machine is a novel laser data processing device, and the machine can perform various engraving through adjusting laser parameters. The laser engraving technology is mainly applied to the advertising industry, the process industry, the mould industry, the building industry, the printing and packaging industry, the wood industry, the decoration industry and the leather industry.

Because laser processing equipment does not directly contact with the workpiece, when the surface of the cylindrical workpiece is processed by laser, the workpiece is required to be rotated, and the existing workpiece rotating jig for laser engraving can only drive the workpiece to rotate according to an angle. When workpieces with different diameters are processed, radial processing size can deform along with diameter variation, and manual intervention is needed to adjust processing parameters.

Therefore, it is necessary to provide a laser engraving auxiliary positioning device to solve the above-mentioned technical problems.

Disclosure of Invention

The utility model provides an auxiliary positioning device for laser engraving, which aims to solve the problem that in the laser engraving operation in the prior art, a workpiece can be driven to rotate only according to an angle, and the accuracy of radial machining size cannot be ensured.

In order to solve the technical problems, the technical scheme of the utility model is as follows: a laser engraving assisted positioning device, comprising:

a base, a base seat and a base seat,

the driving shafts are at least two, at least two driving shafts are rotatably connected with the base, at least two driving shafts are arranged side by side at intervals, and at least two driving shafts are used for supporting workpieces;

and the driving assembly is connected with at least two driving shafts and drives the at least two driving shafts to rotate in the same direction.

The laser engraving auxiliary positioning device also comprises a fixing component, wherein the fixing component comprises:

a first driven wheel located above two of the drive shafts; and

the first driving piece is connected with the first driven wheel and drives the first driven wheel to move relative to at least two driving shafts. The first driven wheel in the fixed assembly moves relative to the driving shaft, so that the workpiece can be clamped in a rotating mode.

In the present utility model, the first driving member includes:

the first support seat is vertically provided with a first chute;

the first connecting rod is in sliding connection with the first sliding chute, one end of the first connecting rod is in rotary connection with the first driven wheel, and a first threaded hole is formed in the first connecting rod;

the first threaded rod is vertically arranged and is in threaded connection with the first threaded hole; and

the first adjusting piece is connected with the first threaded rod and drives the first threaded rod to rotate.

In the utility model, the first connecting rod is provided with a plurality of first connecting holes, and the straight line of the arrangement direction of the first connecting holes is parallel to the straight line of the arrangement direction of at least two driving shafts;

the first driven wheel is adjustably connected with the first connecting holes.

In the utility model, the base is provided with the adjusting groove, and the straight line of the long side of the adjusting groove is parallel to the straight lines of the arrangement directions of at least two driving shafts; at least two of the drive shafts include a stationary shaft and at least one movable shaft;

the driving assembly comprises a rotating motor and a conveyor belt, the rotating motor is connected with one end of the base, the fixed shaft is rotatably arranged at the other end of the base, the movable shaft is positioned between the rotating motor and the fixed shaft, and the movable shaft is in adjustable connection with the adjusting groove;

the conveyer belt is used for carrying out transmission connection on the output end of the rotating motor, the fixed shaft and at least one movable shaft. The clearance between two at least drive shafts is adjustable, and need not to change the conveyer belt of different length, and structural practicality is strong.

The auxiliary positioning device for laser engraving further comprises an auxiliary supporting component, wherein the auxiliary supporting component is positioned on one side of the base; the auxiliary support assembly includes:

the second supporting seat is positioned at one side of the base; and

the second driven wheels are at least two, and at least two second driven wheels are rotatably connected with the second supporting seat;

and along the projection of the second supporting seat and the plane of the base, the central axes of at least two driven wheels and the central axes of at least two driving shafts are positioned on the same straight line. Be provided with auxiliary support subassembly, auxiliary support subassembly sets up in the extension direction of drive shaft, and the positioner of being convenient for supports longer size work piece.

In the utility model, a second chute is vertically arranged on the second supporting seat; the auxiliary support assembly further includes:

the second connecting rod is in sliding connection with the second sliding chute, one end of the second connecting rod is in rotary connection with at least two second driven wheels, and a second threaded hole is formed in the second connecting rod;

the second threaded rod is vertically arranged and is in threaded connection with the second threaded hole; and

the second adjusting piece is connected with the second threaded rod and drives the second threaded rod to rotate. The upper and lower positions of the second driven wheel on the auxiliary supporting component are adjustable, so that the workpiece with the special-shaped structure can be supported conveniently.

The auxiliary positioning device for laser engraving further comprises a positioning component, wherein the positioning component is positioned at one side of the base; the positioning assembly includes:

the third supporting seat is used for holding the annular workpiece and assisting the annular workpiece to be better placed on the driving shaft;

and the positioning column is connected with one side, close to the base, of the third supporting seat and is used for being inserted into the annular workpiece. The locating column can be fixed with annular work piece in a plugging manner, and the practicability of the locating device structure is improved.

The positioning columns are at least two, and the positioning columns are distributed in an annular array;

the positioning assembly further comprises a positioning driving piece, the positioning driving piece is arranged on the third supporting seat, the positioning driving piece is connected with at least two positioning columns, and the positioning driving piece drives the at least two positioning columns to move relatively. The positioning columns are at least two, and the relative positions of the at least two positioning columns are adjustable, so that workpieces with annular structures with different diameters can be fixed.

The positioning drive member includes:

the driving wheel is rotationally connected with the third supporting seat, and the central axis of the driving wheel is parallel to the straight line where the long side of the driving shaft is positioned;

the third driven wheels are rotatably connected with the third supporting seat, at least two third driven wheels are arranged, at least two third driven wheels are connected with at least two positioning columns in one-to-one correspondence, a single positioning column is located at the eccentric position of a single third driven wheel, and at least two third driven wheels are meshed with the driving wheel.

Compared with the prior art, the utility model has the beneficial effects that: the laser engraving auxiliary positioning device is rotationally connected with the base through the at least two driving shafts, the driving assembly drives the at least two driving shafts to rotate along the same direction, so that the driving shafts rotationally support the workpiece, when the two driving shafts are arranged to synchronously rotate, the positioning device can rotationally support the workpiece, and the radial machining size of the machined workpiece is ensured not to be distorted along with the change of the machining diameter. The laser engraving of the workpiece is convenient, the labor force for manually correcting and adjusting the parameters is saved, and the rapid switching of different processed workpieces is convenient.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments are briefly described below, and the drawings in the following description are only drawings corresponding to some embodiments of the present utility model.

Fig. 1 is a schematic overall structure of a preferred embodiment of the present utility model.

Fig. 2 is a perspective view of a mounting block and a securing assembly according to a preferred embodiment of the present utility model.

Fig. 3 is an exploded view of the mount and securing assembly of the preferred embodiment of the present utility model.

Fig. 4 is a schematic view showing the internal structure of the mounting base according to the preferred embodiment of the present utility model.

Fig. 5 is a schematic view of the auxiliary supporting assembly according to the preferred embodiment of the present utility model.

Fig. 6 is a perspective view of a positioning assembly of a preferred embodiment of the present utility model.

Fig. 7 is an exploded view of the positioning assembly of the preferred embodiment of the present utility model.

Fig. 8 is a side view of a positioning assembly of a preferred embodiment of the present utility model.

Reference numerals:

11. a base; 111. an adjustment tank;

12. a drive shaft; 121. a fixed shaft; 122. a movable shaft;

13. a drive assembly; 131. a rotating motor; 132. a conveyor belt;

14. a fixing assembly; 141. a first driven wheel; 142. a first driving member; 1421. a first support base; 14211. a first chute; 1422. a first connecting rod; 14221. a first connection hole; 14222. a first threaded hole; 1423. a first adjustment member; 1424. a first threaded rod;

15. an auxiliary support assembly; 151. a second support base; 1511. a second chute; 152. a second driven wheel; 153. a second connecting rod; 1531. a second threaded hole; 154. a second threaded rod; 155. a second adjusting member;

16. a positioning assembly; 161. a third support base; 162. positioning columns; 163. positioning a driving piece; 1631. a driving wheel; 1632. and a third driven wheel.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the drawings, like structural elements are denoted by like reference numerals. In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and to simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1, 2 and 3, fig. 1 is a perspective view of an overall structure of a preferred embodiment of the present utility model. Fig. 2 is a perspective view of the whole structure of the preferred embodiment of the present utility model. Fig. 3 is a perspective view of the overall structure of the preferred embodiment of the present utility model.

The following is a preferred embodiment of a laser engraving auxiliary positioning device provided by the utility model, which can solve the above technical problems.

The preferred embodiment of the auxiliary positioning device for laser engraving provided by the utility model is as follows: a laser engraving auxiliary positioning device, which comprises a base 11, a driving shaft 12 and a driving assembly 13; at least two driving shafts 12 are arranged, at least two driving shafts 12 are rotatably connected with the base 11, at least two driving shafts 12 are arranged side by side at intervals, and at least two driving shafts 12 are used for supporting workpieces; the driving assembly 13 is connected with at least two driving shafts 12, and the driving assembly 13 drives the at least two driving shafts 12 to rotate in the same direction.

The laser engraving auxiliary positioning device in the embodiment is rotationally connected with the base 11 through at least two driving shafts 12, the driving assembly 13 drives at least two driving shafts 12 to rotate along the same direction, so that the driving shafts 12 rotationally support a workpiece, when the two driving shafts 12 are arranged to synchronously rotate, the positioning device can rotationally support the workpiece, the radial machining size of the machined workpiece is guaranteed not to be distorted along with the change of the machining diameter, the laser engraving of the workpiece is facilitated, the labor force for manually correcting and adjusting parameters is saved, different machined workpieces are conveniently and rapidly switched, and the device is high in practicability.

The following is to the laser sculpture auxiliary positioning device among the utility model, the structure is elaborated:

the structure of the driving assembly 13 in this embodiment will be described with reference to fig. 2, 3 and 4:

the base 11 is provided with an adjusting groove 111, and a straight line where the long side of the adjusting groove 111 is positioned is parallel to a straight line where the arrangement directions of at least two driving shafts 12 are positioned; the at least two drive shafts 12 include a stationary shaft 121 and at least one movable shaft 122; the driving assembly 13 comprises a rotating motor 131 and a conveyor belt 132, and the rotating motor 131 is connected with one end of the base 11; the fixed shaft 121 is rotatably arranged at the other end of the base 11, the movable shaft 122 is positioned between the rotary motor 131 and the fixed shaft 121, and the movable shaft 122 is adjustably connected with the adjusting groove 111; the conveyor belt 132 drivingly connects the output end of the rotary motor 131, the stationary shaft 121, and the at least one movable shaft 122.

The gap between the at least two driving shafts 12 is adjustable, so that the positioning device can support workpieces with different section sizes, the practicability of the structure of the positioning device is improved, the driving assembly 13 is connected with the output end of the rotating motor 131 and the fixed shaft 121 through the conveying belt 132, and the middle part of the conveying belt 132 is used for carrying out laminating driving on the at least one movable shaft 122; this structure does not require replacement of the conveyor belt 132 of different lengths when adjusting the position of the at least one movable shaft 122, and has strong structural practicality.

Referring to fig. 1, fig. 2 and fig. 3, the auxiliary positioning device for laser engraving in this embodiment further includes a fixing component 14, where the fixing component 14 is used to press and clamp the workpiece on the driving shaft 12, so as to improve the stability of the workpiece in the rotation process. The fixed assembly 14 includes a first driven wheel 141 and a first drive 142, the first driven wheel 141 being located above the two drive shafts 12; the first driving member 142 is coupled to the first driven wheel 141, and the first driving member 142 drives the first driven wheel 141 to move up and down with respect to the at least two driving shafts 12. In the use of fixed subassembly 14, the rotation direction of first follow driving wheel 141 is relative with the rotation direction of drive shaft 12, and the first follow driving wheel 141 of fixed subassembly 14 moves relatively with drive shaft 12, is convenient for carry out the centre gripping with the work piece, has promoted the stability that laser sculpture auxiliary positioning device was fixed a position the work piece, and the device practicality is strong.

The first driving member 142 includes a first supporting seat 1421, a first connecting rod 1422, a first threaded rod 1424, and a first adjusting member 1423; the first supporting seat 1421 is vertically provided with a first chute 14211; the first connecting rod 1422 is slidably connected with the first chute 14211, one end of the first connecting rod 1422 is rotatably connected with the first driven wheel 141, and a first threaded hole 14222 is formed in the first connecting rod 1422; the first threaded rod 1424 is vertically disposed, the first threaded rod 1424 is in threaded connection with the first threaded hole 14222, in this embodiment, to promote stability of installation of the first threaded rod 1424, the upper end and the lower end of the first threaded rod 1424 are respectively connected with the first supporting seat 1421 in a rotating manner. The first adjusting member 1423 is connected to the first threaded rod 1424, and the first adjusting member 1423 drives the first threaded rod 1424 to rotate. By the rotation of the first threaded rod 1424, the first threaded rod 1424 is in threaded engagement with the first threaded hole 14222, so that the first connecting rod 1422 slides up and down along the first sliding chute 14211; the position of the first connecting rod 1422 is adjusted up and down by the first driving piece 142 through the threaded structure, so that the accuracy of the first driving piece 142 for pressing down and fixing the workpiece is improved, and the structure practicability is high.

In this embodiment, the first connecting rod 1422 is provided with a plurality of first connecting holes 14221, and a line in which the arrangement directions of the plurality of first connecting holes 14221 are parallel to a line in which the arrangement directions of the at least two driving shafts 12 are located; the first driven wheel 141 is adjustably coupled to a plurality of first coupling holes 14221. The first driven wheels 141 are adjustable in position due to the plurality of first connecting holes 14221, so that the workpieces on the at least two groups of driving shafts 12 can be clamped at different positions, but the top surfaces of the workpieces can be clamped, or the side edges of the workpieces can be clamped relatively, so that the practicability of the structure of the fixing assembly 14 is improved.

Further, the first driven wheel 141 in this embodiment may be provided with several groups. The first driven wheels 141 of the plurality of groups are distributed along the long side direction of the first connecting rod 1422, and the first driven wheels 141 of the plurality of groups can respectively clamp different positions of a group of workpieces or different workpieces side by side, so that the practicability of the structure of the fixing assembly 14 is improved.

Referring to fig. 1 and 5, the auxiliary positioning device for laser engraving in this embodiment further includes an auxiliary supporting component 15, where the auxiliary supporting component 15 is located on one side of the base 11; the auxiliary supporting component 15 is used for supporting the lengthened workpiece, and the practicability of the positioning device is improved.

Wherein the auxiliary supporting component 15 comprises a second supporting seat 151 and a second driven wheel 152; the second supporting seat 151 is positioned at one side of the base 11; at least two second driven wheels 152 are arranged, and at least two second driven wheels 152 are rotatably connected with the second supporting seat 151; along the projection on the plane of the second support base 151 and the base 11, the central axes of the at least two driven wheels are located on the same straight line with the central axes of the at least two driving shafts 12. An auxiliary supporting component 15 is arranged, and the auxiliary supporting component 15 is arranged on the extension direction of the driving shaft 12, so that the positioning device is convenient for supporting workpieces with multiple lengths and longer sizes.

Further, a second chute 1511 is vertically disposed on the second supporting seat 151 in the embodiment; the auxiliary supporting assembly 15 further includes a second connection rod 153, a second threaded rod 154, and a second adjuster 155; the second connecting rod 153 is slidably connected with the second chute 1511, one end of the second connecting rod 153 is rotatably connected with at least two second driven wheels 152, and a second threaded hole 1531 is arranged on the second connecting rod 153; the second threaded rod 154 is vertically arranged, the second threaded rod 154 in the embodiment is preferably rotatably connected with the second supporting seat 151, stability of the second threaded rod 154 in the use process is improved, and the second threaded rod 154 is in threaded connection with the second threaded hole 1531; the second adjusting member 155 is connected to the second threaded rod 154, and the second adjusting member 155 drives the second threaded rod 154 to rotate, and in this embodiment, the second adjusting member 155 may be a manual knob or an electric device such as an electric motor. The second driven wheel 152 on the auxiliary supporting component 15 can be adjusted in upper and lower positions, so that workpieces with special-shaped structures, such as workpieces with conical structures or workpieces with two round table structures with different diameters, can be supported conveniently, and the practicability of the laser engraving auxiliary positioning device structure is improved.

With reference to fig. 1, 6, 7 and 8, the auxiliary positioning device for laser engraving in this embodiment further includes a positioning assembly 16, where the positioning assembly 16 is located on one side of the base 11, and the positioning device is used for auxiliary clamping of a workpiece with an annular structure, so as to promote the practicability of the structure of the positioning device.

Wherein the positioning assembly 16 includes a third support column and a positioning column 162; the third supporting seat 161 is located at one side of the base 11, and the third supporting seat 161 is used for holding an annular workpiece, so that the auxiliary annular workpiece is better placed on the driving shaft 12; the positioning column 162 is connected with one side of the third supporting seat 161, which is close to the base 11, and the positioning column 162 is used for inserting a workpiece with an annular structure. The auxiliary positioning device for laser engraving is provided with the positioning assembly 16, the positioning column 162 can be fixedly spliced with the annular workpiece, the practicability of the structure of the positioning device is improved, and the stability of the positioning device in the process of driving the annular workpiece to rotate is improved.

Further, in this embodiment, at least two positioning columns 162 are provided, and at least two positioning columns 162 are distributed in an annular array; the positioning assembly 16 further includes a positioning driving member 163, where the positioning driving member 163 is disposed on the third supporting seat 161, and the positioning driving member 163 is connected to the at least two positioning columns 162, and the positioning driving member 163 drives the at least two positioning columns 162 to move relatively. The positioning columns 162 are at least two, and the relative positions of the at least two positioning columns 162 are adjustable, so that annular structure workpieces with different diameters can be fixed, the structural compatibility is high, and the practicability of the positioning assembly 16 is improved.

The positioning driving part 163 includes a driving wheel 1631 and a third driven wheel 1632; the driving wheel 1631 is rotatably connected with the third supporting seat 161, and the central axis of the driving wheel 1631 is parallel to the straight line where the long side of the driving shaft 12 is located; the third driven wheels 1632 are rotatably connected with the third supporting seat 161, at least two third driven wheels 1632 are arranged, at least two third driven wheels 1632 are connected with at least two positioning columns 162 in a one-to-one correspondence manner, a single positioning column 162 is positioned at the eccentric position of the single third driven wheel 1632, and at least two third driven wheels 1632 are meshed with the driving wheel 1631. The positioning driving part 163 synchronously drives the at least two positioning columns 162 to move relatively through the driving wheel 1631, so that the distance between the at least two positioning columns 162 can be conveniently and rapidly adjusted, and the adjustment efficiency of the positions of the positioning columns 162 is improved.

The conventional support structure such as the bracket of the third support base 161 in practical application is not described herein.

The driving wheel 1631 in the positioning driving section 163 in this embodiment can manually adjust the distance between the at least two positioning columns 162 so that the at least two positioning columns 162 clamp the annular workpiece. After the positioning assembly 16 clamps the annular workpiece through the at least two positioning posts 162, the annular workpiece is integrally placed on the at least two driving shafts 12, so that the auxiliary annular workpiece can be driven to rotate by the at least two driving shafts 12 to assist in stably rotating the processed workpiece.

The working principle of the utility model is as follows:

1. the gap of at least two drive shafts 12 is adjusted according to the size of the workpiece.

The position of the movable shaft 122 relative to the fixed shaft 121 is generally adjusted according to the outer cross-sectional dimensions of the work pieces, so that the fixed shaft 121 and the movable shaft 122 can support the first work piece.

2. If the work piece is long, an auxiliary supporting component 15 is arranged on one side of the base 11.

The auxiliary supporting component 15 is used for supporting an elongated workpiece, the auxiliary supporting device drives the second threaded rod 154 to rotate through the second adjusting piece 155, the second threaded rod 154 is in threaded connection with the second threaded hole 1531, the second connecting rod 153 and the second sliding groove 1511 are driven to slide up and down, and accordingly the other end of the long side of the workpiece is supported, and stability of the workpiece supported by the positioning device is improved.

In addition, the second driven wheel 152 on the auxiliary supporting component 15 can be adjusted in upper and lower positions, so that workpieces with special-shaped structures, such as workpieces with conical structures or workpieces with two circular truncated cone structures with different diameters, can be supported conveniently, and the practicability of the laser engraving auxiliary positioning device structure is improved.

3. If the workpiece is of an annular structure, a positioning assembly 16 is arranged to plug and position the inner ring of the annular workpiece.

The positioning column 162 is first moved to extend into the interior of the work piece in the annular configuration. In this embodiment, the work piece of the ring structure may be a ring structure such as a ring, or may be a work piece of a ring structure in cross section, for example, a cup body of a hollow cylindrical structure having an opening at an end portion thereof.

Then, the user can drive the driving wheel 1631 to rotate, and the driving wheel 1631 synchronously drives at least two third driven wheels 1632 to respectively drive at least two positioning columns 162 to relatively move, so that the distance between the at least two positioning columns 162 can be conveniently and rapidly adjusted; the at least two positioning columns 162 are relatively far away from each other, so that workpieces of the annular structure can be sleeved on the at least two positioning columns 162, deformation of the workpieces of the annular structure in the rotation process is avoided, and the practicability of the positioning device structure is improved.

After the positioning assembly 16 clamps the annular workpiece by the at least two positioning posts 162, the positioning assembly 16 is integrally disposed on the at least two drive shafts 12, thereby assisting in rotating the annular workpiece driven by the at least two drive shafts 12,

the auxiliary laser engraving positioning device is provided with the positioning assembly 16, the positioning column 162 can be fixedly spliced with an annular workpiece, the workpiece with an annular structure can be supported on the basis of supporting the workpiece with a cylindrical structure, the practicability of the structure of the positioning device is improved, the auxiliary laser engraving positioning device uses the positioning assembly 16, at least two driving shafts 12 are convenient to drive the workpiece, and the stability of the auxiliary laser engraving positioning device in the process of driving the annular workpiece to rotate is improved.

And the positioning component 16 is matched with the fixing component 14 and the auxiliary support 15 for use, so that the compatibility of the positioning device is further improved, and workpieces with various lengths and various structures, such as rings, cups, steel pipes and the like, can be positioned.

4. The fixture assembly 14 holds the workpiece down.

In the use of fixed subassembly 14, the rotation direction of first follow driving wheel 141 is relative with the rotation direction of drive shaft 12, and the first follow driving wheel 141 of fixed subassembly 14 moves relatively with drive shaft 12, is convenient for carry out the centre gripping with the work piece, has promoted the stability that laser sculpture auxiliary positioning device was fixed a position the work piece, and the device practicality is strong.

5. The driving assembly 13 drives at least two driving shafts 12 to rotate along the same direction, so that the at least two driving shafts 12 rotatably support the workpiece, and the workpiece is convenient to laser engraving.

Thus, the use process of the laser engraving auxiliary positioning device of the preferred embodiment is completed.

In summary, although the present utility model has been described in terms of the preferred embodiments, the above-mentioned embodiments are not intended to limit the utility model, and those skilled in the art can make various modifications and alterations without departing from the spirit and scope of the utility model, so that the scope of the utility model is defined by the appended claims.

Claims (10)

1. A laser engraving assisted positioning device, comprising:

a base, a base seat and a base seat,

the driving shafts are at least two, at least two driving shafts are rotatably connected with the base, at least two driving shafts are arranged side by side at intervals, and at least two driving shafts are used for supporting workpieces;

and the driving assembly is connected with at least two driving shafts and drives the at least two driving shafts to rotate in the same direction.

2. The laser engraving assisted positioning device of claim 1, further comprising a securing assembly comprising:

a first driven wheel located above two of the drive shafts; and

the first driving piece is connected with the first driven wheel and drives the first driven wheel to move relative to at least two driving shafts.

3. The laser engraving assisted positioning device of claim 2, wherein the first drive member comprises:

the first support seat is vertically provided with a first chute;

the first connecting rod is in sliding connection with the first sliding chute, one end of the first connecting rod is in rotary connection with the first driven wheel, and a first threaded hole is formed in the first connecting rod;

the first threaded rod is vertically arranged and is in threaded connection with the first threaded hole; and

the first adjusting piece is connected with the first threaded rod and drives the first threaded rod to rotate.

4. The auxiliary positioning device for laser engraving of claim 3, wherein the first connecting rod is provided with a plurality of first connecting holes, and a straight line where the arrangement directions of the first connecting holes are parallel to a straight line where the arrangement directions of the at least two driving shafts are;

the first driven wheel is adjustably connected with the first connecting holes.

5. The auxiliary positioning device for laser engraving of claim 1, wherein the base is provided with an adjusting groove, and a straight line of a long side of the adjusting groove is parallel to a straight line of an arrangement direction of at least two driving shafts; at least two of the drive shafts include a stationary shaft and at least one movable shaft;

the driving assembly comprises a rotating motor and a conveyor belt, the rotating motor is connected with one end of the base, the fixed shaft is rotatably arranged at the other end of the base, the movable shaft is positioned between the rotating motor and the fixed shaft, and the movable shaft is in adjustable connection with the adjusting groove;

the conveyer belt is used for carrying out transmission connection on the output end of the rotating motor, the fixed shaft and at least one movable shaft.

6. The laser engraving assisted positioning device of claim 1, further comprising an auxiliary support assembly located on one side of the base; the auxiliary support assembly includes:

the second supporting seat is positioned at one side of the base; and

the second driven wheels are at least two, and at least two second driven wheels are rotatably connected with the second supporting seat;

and along the projection of the second supporting seat and the plane of the base, the central axes of at least two driven wheels and the central axes of at least two driving shafts are positioned on the same straight line.

7. The laser engraving assisted positioning device according to claim 6, characterized in that a second chute is vertically provided on the second support seat; the auxiliary support assembly further includes:

the second connecting rod is in sliding connection with the second sliding chute, one end of the second connecting rod is in rotary connection with at least two second driven wheels, and a second threaded hole is formed in the second connecting rod;

the second threaded rod is vertically arranged and is in threaded connection with the second threaded hole; and

the second adjusting piece is connected with the second threaded rod and drives the second threaded rod to rotate.

8. The laser engraving assisted positioning device of claim 1, further comprising a positioning assembly located on one side of the base; the positioning assembly includes:

the third supporting seat is used for holding the annular workpiece and assisting the annular workpiece to be better placed on the driving shaft;

and the positioning column is connected with one side, close to the base, of the third supporting seat and is used for being inserted into the annular workpiece.

9. The laser engraving assisted positioning device according to claim 8, characterized in that at least two positioning columns are provided, at least two of the positioning columns being distributed in an annular array;

the positioning assembly further comprises a positioning driving piece, the positioning driving piece is arranged on the third supporting seat, the positioning driving piece is connected with at least two positioning columns, and the positioning driving piece drives the at least two positioning columns to move relatively.

10. The laser engraving assisted positioning device of claim 9, wherein the positioning drive comprises:

the driving wheel is rotationally connected with the third supporting seat, and the central axis of the driving wheel is parallel to the straight line where the long side of the driving shaft is positioned;

the third driven wheels are rotatably connected with the third supporting seat, at least two third driven wheels are arranged, at least two third driven wheels are connected with at least two positioning columns in one-to-one correspondence, a single positioning column is located at the eccentric position of a single third driven wheel, and at least two third driven wheels are meshed with the driving wheel.