CN217971399U

CN217971399U - Double-sided marking machine

Info

Publication number: CN217971399U
Application number: CN202221972301.7U
Authority: CN
Inventors: 周冠鸿; 莫玉麟; 刘世基; 龙兴文; 张力夫; 易必文
Original assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Gree Intelligent Equipment Co Ltd
Current assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Gree Intelligent Equipment Co Ltd
Priority date: 2022-07-26
Filing date: 2022-07-26
Publication date: 2022-12-06
Anticipated expiration: 2032-07-26

Abstract

The utility model relates to a beat mark technical field, concretely relates to two-sided marking machine, this two-sided marking machine includes: a work table; the conveying mechanism is provided with a conveying channel suitable for conveying workpieces to a preset marking position; the turnover mechanism is arranged at one end of the conveying channel close to the marking position and comprises a turnover part and a clamping part, wherein the clamping part is suitable for clamping or releasing the workpiece, and the turnover part is suitable for driving the clamping part to turn over; and the lifting mechanism is arranged between the turnover mechanism and the workbench and is suitable for driving the turnover mechanism to drive the clamped workpiece to lift between the marking position and the turnover position. The application provides a marking machine can realize automatic two-sided mark of beating through the tilting mechanism that sets up, beats mark efficiency higher to elevating system through setting up can drive tilting mechanism and drive the work piece and go up and down between beating mark position and upset position, the work piece is in the state of being pressed from both sides tightly always at the in-process that goes up and down, is difficult for the landing, and stability is higher.

Description

Double-sided marking machine

Technical Field

The utility model relates to a beat mark technical field, concretely relates to two-sided marking machine.

Background

Marking machine generally can only realize the single face and beat the mark among the prior art, utilizes marking machine to beat the mark operation back to the first face of work piece, needs the manual work piece that overturns, recycles marking machine and beat the mark operation to the second face of this work piece, has the problem that wastes time, hard like this to lead to marking machine among the correlation technique to have the problem of marking inefficiency and degree of automation low.

In order to solve the technical problems, related technicians in the field design a marking device capable of conducting double-sided marking, though manual turning is replaced, the marking efficiency and the automation degree are improved to a certain degree, in the process of turning, a workpiece needs to be jacked up through an ejector rod arranged at the bottom of a marking area, then the workpiece is clamped by a turning plate clamp and is rotationally turned, after the surface is turned, the workpiece is placed on the ejector rod by the turning plate clamp, then the ejector rod descends and drives the workpiece to reset, the workpiece on the ejector rod in the lifting process is poor in stability, and the phenomenon of slipping or deflection easily occurs, so that the use experience and the working efficiency of the marking device are influenced.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the two-sided marking machine among the prior art and need be through setting up after beating the ejector pin of beating the regional bottom of mark with the work piece jack-up, the rethread turn over the board anchor clamps centre gripping the work piece carries out rotatory turn-over, and the ejector pin is poor in the work piece stability above the process of lift, very easily appears landing or inclined phenomenon, influences the defect of beating the work efficiency of mark equipment to a work piece is at the lift in-process, is difficult for the landing, the higher two-sided marking machine of stability.

In order to solve the above problem, the utility model provides a two-sided marking machine, include:

a work table;

the conveying mechanism is arranged on the workbench and is provided with a conveying channel suitable for conveying a workpiece to a preset marking position;

the turnover mechanism is arranged at one end of the conveying channel close to the marking position and comprises a turnover part and a clamping part, wherein the clamping part is suitable for clamping or releasing the workpiece, and the turnover part is suitable for driving the clamping part to turn over;

and the lifting mechanism is arranged between the turnover mechanism and the workbench and is suitable for driving the turnover mechanism to drive the clamped workpiece to lift between the marking position and the turnover position.

Optionally, the lifting mechanism comprises:

the lifting driving component is arranged on the workbench;

the lifting driving part is suitable for driving the lifting support to lift and drive the turnover mechanism to move up and down.

Optionally, the lifting mechanism comprises a guide assembly, the guide assembly comprising:

the guide plate is fixedly arranged on the end part of one side of the workbench close to the marking position, and is provided with a guide hole which is suitable for extending along the vertical direction;

and the guide rod is fixedly arranged below the lifting support and is suitable for limiting and guiding the lifting support to lift through the sliding fit of the guide rod and the guide hole.

Optionally, the lifting mechanism further comprises:

the lifting driving part is fixedly arranged on the fixed seat, and the fixed seat is fixedly arranged on the end wall of one side of the workbench, which is close to the marking position;

the two guide plates are respectively fixedly arranged on the fixed seat and positioned on two sides of the lifting driving part, and the two guide plates are respectively provided with the guide holes; the number of the guide rods is two, and the two guide rods are distributed on two sides of the output shaft and are matched with the two guide holes in the two guide plates in a one-to-one correspondence mode.

Optionally, the lifting support comprises a horizontally arranged support plate, and the turnover mechanism is detachably mounted and fixed on the support plate.

Optionally, the clamping member comprises:

the clamp comprises a first clamping part and a second clamping part which are oppositely arranged, and a clamping space capable of accommodating the workpiece is formed between the first clamping part and the second clamping part;

and the clamping driving part is connected with the first clamping part and/or the second clamping part and is suitable for driving the first clamping part and the second clamping part to move close to or away from each other so as to clamp or release the workpiece.

Optionally, the clamping member is rotatably connected to the turning member through a rotary support, and the turning member includes a turning driving member adapted to drive the clamping member to turn.

Optionally, the conveying mechanism comprises:

the two belt conveying units are oppositely arranged and respectively rotate along the conveying direction of the workpiece;

the spacing distance between the two belt conveying units is matched with the width of the workpiece, and the workpiece is placed on the conveying surface at the top of the two belt conveying units.

Optionally, the conveying mechanism further comprises:

the two mounting plates are fixedly arranged on the workbench at intervals, and the two belt conveying units are correspondingly arranged on two opposite inner side walls of the two mounting plates;

the two inner side walls and the top surfaces of the two belt conveying units form a limiting space suitable for containing and limiting the workpiece.

Optionally, the belt transfer unit comprises:

a belt;

the two rollers are arranged at a set interval, and the belt is sleeved on the peripheries of the two rollers;

the conveying driving part is connected with the roller and is suitable for driving the roller to drive the belt to rotate along a first conveying direction which can enable the workpiece to move from the feeding position to the direction of the marking position or a second conveying direction which can enable the workpiece to move from the marking position to the direction of the discharging position.

The utility model has the advantages of it is following:

1. the utility model provides a double-sided marking machine, conveying mechanism can carry the work piece to the mark position of presetting, then the centre gripping part of the tilting mechanism that is located the mark position presss from both sides tight work piece, the laser is beaten the mark to the front of work piece; after marking is accomplished, elevating system lifts by tight work piece to the upset position of clamp, then upset part control centre gripping part upset 180, descend to the mark position of beating again, laser beats the mark to the back of work piece, thereby realize two-sided mark, can realize the tight of the clamp of automatic completion work piece through the tilting mechanism and the elevating system that set up, lift, a series of actions such as upset 180 and decline, whole upset process need not artifical the participation, the two-sided efficiency of beating of work piece has greatly been improved, the human cost is saved, and the work piece is in by tight state of clamp at the in-process that goes up and down all the time, be difficult for the landing, stability is higher.

2. The utility model discloses in, elevating system includes the direction subassembly, the direction subassembly includes deflector and guide bar, the deflector is fixed to be set up the workstation is close to on one side tip of beating the mark position, be equipped with the guiding hole on the deflector, the guiding hole is suitable for and extends along vertical direction, the guide bar is fixed to be set up elevating support's below is suitable for to pass through the spacing guide of sliding fit of deflector and guiding hole elevating support's lift makes elevating system only goes up and down in vertical direction to can effectively avoid the work piece to take place the skew at the in-process position of going up and down, make the work piece can accurately reset to the former mark position of beating after the upset, make things convenient for the normal clear of processes such as follow-up back beat mark and unloading.

3. The utility model discloses in, conveying mechanism is through adopting the belt to carry the work piece, and the stationarity in not only the transportation process is high, can realize that the online of whole work piece carries to beat the mark, and the work piece all is the flexonics with the belt in whole transportation process moreover, can not produce any wearing and tearing. In addition, the target workpiece can be conveyed from the marking position to the blanking position by controlling the belt to rotate reversely, manual feeding and discharging are not needed, and the working efficiency of the marking machine is greatly improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 shows an isometric view of a workpiece with a first side of the dual-sided marking machine facing up in an embodiment;

FIG. 2 is a schematic diagram showing the lifting operation of the double-sided marking machine in the embodiment;

FIG. 3 is a schematic diagram showing the turning action of the double-sided marking machine in the embodiment;

FIG. 4 is a schematic structural diagram of the double-sided marking machine in the embodiment, wherein the workpiece is overturned to the second side and is reset to the marking position;

fig. 5 is a schematic structural view of the lifting mechanism in the embodiment.

Description of reference numerals:

10. a work table;

20. a conveying mechanism; 201. a delivery channel; 21. a belt transfer unit; 211. a belt; 212. a roller; 22. mounting a plate;

30. a turnover mechanism; 31. a turning part; 32. a clamping member; 321. a clamp; 33. a rotary support;

40. a lifting mechanism; 41. a lifting drive member; 411. an output shaft; 42. a lifting support; 43. a guide plate; 44. a guide rod; 45. a fixed seat;

50. and (5) a workpiece.

Detailed Description

The technical solutions of the present invention will be described more clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 to 5, the present embodiment provides a double-sided marking machine, including: a workbench 10, a conveying mechanism 20, a turnover mechanism 30 and a lifting mechanism 40. The conveying mechanism 20 is arranged on the workbench 10, and the conveying mechanism 20 is provided with a conveying channel 201 suitable for conveying the workpiece 50 to a preset marking position; the turnover mechanism 30 is arranged at one end of the conveying channel 201 close to the marking position, the turnover mechanism 30 comprises a turnover part 31 and a clamping part 32, wherein the clamping part 32 is suitable for clamping or releasing the workpiece 50, and the turnover part 31 is suitable for driving the clamping part 32 to turn over; the lifting mechanism 40 is arranged between the turnover mechanism 30 and the workbench 10, and is adapted to drive the turnover mechanism 30 to drive the clamped workpiece 50 to lift between the marking position and the turnover position.

Specifically, as shown in fig. 1 to 4, the conveying mechanism 20 can convey the workpiece 50 to a preset marking position, then the clamping component 32 of the turnover mechanism 30 located at the marking position clamps the workpiece 50, and the laser marks the front surface of the workpiece 50; after marking is finished, the lifting mechanism 40 lifts the clamped workpiece 50 to a turnover position, then the turnover part 31 controls the clamping part 32 to turn over for 180 degrees and then the clamped workpiece 50 descends to the marking position, laser marks the back of the workpiece 50, double-sided marking is achieved, a series of actions such as clamping, lifting, turning for 180 degrees, descending and the like of the workpiece 50 can be automatically finished through the arranged turnover mechanism 30 and the lifting mechanism 40, the whole turnover process does not need manual participation, the double-sided marking efficiency of the workpiece 50 is greatly improved, labor cost is saved, the workpiece 50 is always in a clamped state in the lifting and descending processes, sliding is not prone to sliding, and stability is higher.

Optionally, in this embodiment, the working platform 10 is a bottom plate disposed horizontally.

Optionally, the lifting mechanism 40 includes a lifting driving part 41 and a lifting bracket 42, the lifting driving part 41 is disposed on the working table 10; the lifting bracket 42 is connected with an output shaft 411 of the lifting driving component 41, the output shaft 411 is suitable for being telescopically arranged along a vertical direction, the turnover mechanism 30 is installed on the lifting bracket 42, and the lifting driving component 41 is suitable for driving the lifting bracket 42 to lift and drive the turnover mechanism 30 to move up and down.

Optionally, in this embodiment, the lifting driving component 41 is a lifting cylinder, the output shaft 411 is a piston rod of the lifting cylinder, one end of the piston rod is connected to the lifting cylinder, and the other end of the piston rod is supported and fixed at the center of the bottom wall of the lifting bracket 42, so as to ensure the balance stability of the lifting bracket 42 in the lifting process.

Optionally, the lifting driving component 41 is a double-acting cylinder, the lifting support 42 is controlled to lift by controlling the air inlet direction, the air enters the upper cavity of the cylinder, and the lifting support 42 descends; the cylinder lower cavity is filled with air, and the lifting support 42 is lifted.

Optionally, as shown in fig. 1, fig. 2, and fig. 5, the lifting mechanism 40 includes a guide assembly, the guide assembly includes a guide plate 43 and a guide rod 44, the guide plate 43 is fixedly disposed on an end portion of one side of the workbench 10 close to the marking position, a guide hole is disposed on the guide plate 43, and the guide hole is adapted to extend in a vertical direction; the guide rod 44 is fixedly arranged below the lifting support 42 and is suitable for limiting and guiding the lifting support 42 to lift through the sliding fit of the guide rod 44 and the guide hole.

The utility model discloses in, through the spacing guide of sliding fit of guide bar 44 and guiding hole lift support 42's lift makes elevating system 40 only goes up and down in the vertical direction to can effectively avoid work piece 50 to take place the skew in the lift in-process position, make work piece 50 can accurately reset to former mark position of beating after the upset, make things convenient for the follow-up back to beat the normal clear of processes such as mark and unloading.

Optionally, the lifting mechanism 40 further includes a fixing seat 45, the lifting driving component 41 is fixedly disposed on the fixing seat 45, and the fixing seat 45 is fixedly installed on an end wall of one side of the workbench 10 close to the marking position. Specifically, fixing base 45 is the fixed plate of a vertical setting, the fixed plate upper end is connected to be fixed workstation 10 is close to one side end wall below of beating the mark position, and the lower extreme downwardly extending, lift drive component 41 is fixed to be set up on the fixed plate is kept away from on the lateral surface of workstation 10.

Optionally, there are two guide plates 43, two guide plates 43 are respectively fixedly disposed on the fixing seat 45 and located at two sides of the lifting driving component 41, and the two guide plates 43 are respectively provided with the guide holes; the number of the corresponding guide rods 44 is also two, and the two guide rods 44 are distributed on two sides of the output shaft 411 and are matched with the two guide holes on the two guide plates 43 in a one-to-one correspondence manner.

Specifically, the upper end of the output shaft 411 is fixedly connected to the center of the bottom wall of the lifting bracket 42, the upper ends of the two guide rods 44 are fixedly connected to the bottom wall of the lifting bracket 42 and located at two sides of the output shaft 411, and the lower ends of the two guide rods 44 are correspondingly inserted into the two guide holes.

Alternatively, a stopper structure may be provided at a lower end of the guide bar 44 to prevent the guide bar 44 from being removed from the guide hole. The limiting structure can be a nut or a buckle or a boss and the like.

In this embodiment, the guide effect can be effectively improved by the cooperation of the two sets of guide holes and the guide rods 44.

Optionally, the lifting bracket 42 includes a horizontally disposed supporting plate, and the turnover mechanism 30 is detachably mounted and fixed on the supporting plate.

Specifically, the turnover mechanism 30 is disposed on the upper surface of the support plate and fixed to the support plate by screws, so that the turnover mechanism is convenient to detach and replace.

Alternatively, as shown in fig. 1, fig. 2 and fig. 5, the clamping member 32 includes a clamp 321 and a clamping driving member, the clamp 321 includes a first clamping portion and a second clamping portion which are oppositely disposed, and a clamping space capable of accommodating the workpiece 50 is formed between the first clamping portion and the second clamping portion; the clamping driving member is connected with the first clamping portion and/or the second clamping portion and is adapted to drive the first clamping portion and the second clamping portion to move close to or away from each other so as to clamp or release the workpiece 50.

Optionally, the first clamping portion and the second clamping portion have two opposite clamping surfaces, and the clamping surfaces are flat surfaces to clamp and fix the workpiece 50.

Preferably, the clamping surfaces are respectively provided with an anti-falling structure for increasing friction force. Optionally, the anti-slip structure may be a rubber pad or a plurality of anti-slip lines to increase the friction force between the workpiece 50 and the clamping surface, so as to prevent the workpiece 50 from falling off.

Alternatively, in this embodiment, the clamping member 32 is a pneumatic clamping mechanism, and the clamping driving member is a clamping cylinder.

Optionally, the clamping member 32 is rotatably connected to the turning member 31 by a rotary support 33, and the turning member 31 includes a turning driving member adapted to drive the clamping member 32 to turn.

Specifically, the turnover driving member is a rotary cylinder, the clamping member 32 is a pneumatic clamping mechanism, and the clamping member 32 is rotatably disposed on a cylinder body of the rotary cylinder.

Optionally, the conveying mechanism 20 comprises: two belt conveying units 21 oppositely arranged, the two belt conveying units 21 respectively rotating along the conveying direction of the workpiece 50; the spacing distance between the two belt transfer units 21 is matched to the width of the workpiece 50, and the workpiece 50 is placed on the transfer surface at the top of the two belt transfer units 21. The two belt conveying units 21 cooperate with each other to convey the workpiece 50.

In this embodiment, the conveying mechanism 20 conveys the workpiece 50 by using the belt 211, so that the stability in the conveying process is high, the on-line conveying marking of the whole workpiece 50 can be realized, and the workpiece 50 and the belt 211 are in flexible contact in the whole conveying process, and no abrasion is generated. In addition, the target workpiece 50 can be conveyed from the marking position to the blanking position by controlling the belt 211 to rotate reversely, manual feeding and discharging are not needed, and the working efficiency of the marking machine is greatly improved.

Optionally, the conveying mechanism 20 further comprises: the two installation plates 22 are oppositely arranged, the two installation plates 22 are fixedly arranged on the workbench 10 at intervals, and the two belt conveying units 21 are correspondingly arranged on two opposite inner side walls of the two installation plates 22; the two inner side walls and the top surfaces of the two belt conveying units 21 together form a limiting space suitable for accommodating and limiting the workpiece 50. The left and right sides of the workpiece 50 are limited on the inner side walls of the two mounting plates 22, so that the workpiece 50 is prevented from separating from or deviating from the conveying channel 201 in the conveying process.

Alternatively, as shown in fig. 1 and 2, the belt transfer unit 21 includes: the device comprises a belt 211, rollers 212 and a transmission driving piece, wherein the rollers 212 are arranged at a set interval, and the belt 211 is sleeved on the peripheries of the two rollers 212; the transmission driving member is connected to the roller 212 and adapted to drive the roller 212 to drive the belt 211 to rotate along a first transmission direction which enables the workpiece 50 to move from the loading position to the marking position, or a second transmission direction which enables the workpiece 50 to move from the marking position to the unloading position.

Optionally, the belt transfer unit 21 further comprises a plurality of tensioners adapted to tension the belt 211 to prevent the belt 211 from slackening.

Optionally, a positioning mechanism is disposed on the conveying mechanism 20, and is adapted to detect and position the moving position of the workpiece 50. The workbench 10 is also provided with a laser marking mechanism for marking.

Optionally, in this embodiment, the workpiece 50 is a PCB, and the double-sided marking machine is a PCB double-sided marking machine.

In this embodiment, the workpiece 50 is used as a PCB board, and the working principle and process of the double-sided marking machine are described in detail:

as shown in fig. 1, in the present embodiment, the conveying mechanism 20 is fixed to the table 10, and the turnover mechanism 30 is provided to be movable up and down on the table 10 by the lifting mechanism 40. The conveying mechanism 20 conveys the PCB to the marking position through the belt conveying unit 21, as shown in fig. 1, the clamping member 32 clamps the PCB, and then the marking on the a-side is performed. After marking of the a side of the PCB is completed, the lifting mechanism 40 is lifted to the turning position, as shown in fig. 2.

Then, the rotating cylinder of the turning member 31 controls the clamping member 32 to turn the clamped workpiece 50 by 180 ° so that the PCB B faces upward, as shown in fig. 3 and 4. The lifting mechanism 40 is lowered back to the marking position and then B-side marking is performed, as shown in fig. 4. After the marking on the surface B is finished, the clamping component 32 is loosened, the conveying mechanism 20 drives the PCB to retreat, and the PCB is conveyed to a discharging position to finish the whole process.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious changes and modifications can be made without departing from the scope of the present invention.

Claims

1. A double-sided marking machine, comprising:

a work table (10);

the conveying mechanism (20) is arranged on the workbench (10), and a conveying channel (201) suitable for conveying the workpiece (50) to a preset marking position is formed in the conveying mechanism (20);

the turnover mechanism (30) is arranged at one end of the conveying channel (201) close to the marking position and comprises a turnover component (31) and a clamping component (32), wherein the clamping component (32) is suitable for clamping or releasing the workpiece (50), and the turnover component (31) is suitable for driving the clamping component (32) to turn over;

the lifting mechanism (40) is arranged between the turnover mechanism (30) and the workbench (10) and is suitable for driving the turnover mechanism (30) to drive the clamped workpiece (50) to lift between the marking position and the turnover position.

2. Double-sided marking machine according to claim 1, characterized in that said lifting mechanism (40) comprises:

a lifting drive member (41) provided on the table (10);

the lifting driving component (41) is suitable for driving the lifting support (42) to lift so as to drive the turnover mechanism (30) to move up and down.

3. Double-sided marking machine according to claim 2, characterized in that the lifting mechanism (40) comprises a guide assembly comprising:

the guide plate (43) is fixedly arranged on the end part of one side, close to the marking position, of the workbench (10), a guide hole is formed in the guide plate (43), and the guide hole is suitable for extending in the vertical direction;

and the guide rod (44) is fixedly arranged below the lifting support (42) and is suitable for limiting and guiding the lifting support (42) to lift through the sliding fit of the guide rod (44) and the guide hole.

4. The double-sided marking machine according to claim 3, characterized in that the lifting mechanism (40) further comprises:

the lifting driving component (41) is fixedly arranged on the fixed seat (45), and the fixed seat (45) is fixedly arranged on the end wall of one side, close to the marking position, of the workbench (10);

the two guide plates (43) are respectively fixedly arranged on the fixed seat (45) and positioned at two sides of the lifting driving part (41), and the two guide plates (43) are respectively provided with the guide holes;

the number of the guide rods (44) is two, and the two guide rods (44) are distributed on two sides of the output shaft (411) and are matched with the two guide holes in the two guide plates (43) in a one-to-one correspondence mode.

5. Double-sided marking machine according to claim 2, characterized in that the lifting carriage (42) comprises a horizontally arranged support plate, on which the turning mechanism (30) is detachably mounted.

6. The double-sided marking machine according to any of the claims 1 to 5, characterized in that the gripping member (32) comprises:

the clamp (321) comprises a first clamping part and a second clamping part which are oppositely arranged, and a clamping space capable of accommodating the workpiece (50) is formed between the first clamping part and the second clamping part;

and the clamping driving part is connected with the first clamping part and/or the second clamping part and is suitable for driving the first clamping part and the second clamping part to move close to or away from each other so as to clamp or release the workpiece (50).

7. Double-sided marking machine according to any of the claims 1 to 5, characterized in that the gripping member (32) is rotatably connected to the flipping member (31) by means of a swivel support (33), the flipping member (31) comprising a flipping drive adapted to drive the gripping member (32) to flip.

8. Double-sided marking machine according to any of claims 1 to 5, characterized in that the conveying mechanism (20) comprises:

two belt conveying units (21) which are oppositely arranged, wherein the two belt conveying units (21) respectively rotate along the conveying direction of the workpiece (50);

the spacing distance between the two belt conveying units (21) is matched with the width of the workpiece (50), and the workpiece (50) is placed on the conveying surface at the top of the two belt conveying units (21).

9. The double-sided marking machine according to claim 8, characterized in that said conveying mechanism (20) further comprises:

the two installation plates (22) are oppositely arranged, the two installation plates (22) are fixedly arranged on the workbench (10) at intervals, and the two belt conveying units (21) are correspondingly arranged on two opposite inner side walls of the two installation plates (22);

the two inner side walls and the top surfaces of the two belt conveying units (21) form a limiting space suitable for containing and limiting the workpiece (50).

10. The double-sided marking machine according to claim 8, characterized in that the belt transfer unit (21) comprises:

a belt (211);

the two rollers (212) are arranged at a set interval, and the belt (211) is sleeved on the peripheries of the two rollers (212);

the conveying driving part is connected with the roller (212) and is suitable for driving the roller (212) to drive the belt (211) to rotate along a first conveying direction which can enable the workpiece (50) to move from the loading position to the marking position or a second conveying direction which can enable the workpiece (50) to move from the marking position to the unloading position.