Automatic material head shearing mechanism and chip mounter material belt detaching and connecting equipment

Abstract

The utility model provides an automatic material head shearing mechanism and chip mounter material belt detaching and connecting equipment, the automatic material head shearing mechanism comprises a first clamping mechanism, a first driving mechanism, a cutting mechanism and a material head stripping mechanism, the first driving mechanism drives the first clamping mechanism to move, and the first clamping mechanism can clamp or loosen a material disc and drive the material disc to rotate; the material head stripping mechanism comprises a base, a clamping assembly and a material head lifting assembly, the material head lifting assembly abuts against the outer ring of a material belt in the material disc when the material disc rotates so that the material head of the material belt can be lifted, the material head can be conveniently clamped by the clamping assembly, and meanwhile the first driving mechanism enables the first clamping mechanism to ascend so that the material belt can be pulled open; the cutting mechanism comprises a mounting base, a first cutting assembly and a conveying assembly, the conveying assembly receives and downwards conveys the material heads led out of the material disc, the first cutting assembly cuts the material heads after the material heads are conveyed to the preset position, the working efficiency of the material belt treatment process is effectively improved, and the working efficiency of the material belt treatment process is improved; and the vertical cutting mode is adopted, so that the space utilization rate is increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to surface mount technology (Surface Mount Technology, SMT) field especially relates to a kind of automatic material head shearing mechanism and paster machine equipment of material strip. BACKGROUND

[0002] With the rapid development of electronic manufacturing industry, the demand for miniaturization, high density and automatic assembly of electronic components is increasing. SMT technology has become an indispensable part of modern electronic manufacturing because it can realize efficient and high-quality assembly of electronic products, and the automation degree and operation efficiency of the paster machine have become important indicators to measure its performance. In the SMT patching process, the material disc of the feeding station can feed the material strip to the paster machine to complete the patching work. Usually, when the material strip in the old material disc is about to run out, a new material disc needs to be taken, and the head of the new material disc and the tail of the old material disc are connected by the material strip connecting machine.

[0003] The current material strip connecting machine needs to lead out the material head on the new material disc for cutting, but in the prior art, the mechanism for handling the leading out and cutting of the material head is often complex in structure, occupying a large space and having low overall working efficiency. SUMMARY

[0004] The purpose of the present application is to provide an automatic material head shearing mechanism to solve the problem of low efficiency of the material strip shearing process of the material disc in the prior art. In addition, the present application also provides a paster machine material strip connecting equipment comprising the automatic material head shearing mechanism.

[0005] To achieve this purpose, the present application adopts the following technical solutions:

[0006] The present application provides an automatic material head shearing mechanism, which comprises a first clamping mechanism, a first driving mechanism, a cutting mechanism and a material head stripping mechanism, wherein:

[0007] The driving end of the first driving mechanism is connected to the first clamping mechanism, and the first driving mechanism is configured to drive the first clamping mechanism to move horizontally and vertically, and the first clamping mechanism is configured to clamp or release the material disc and drive the material disc to rotate;

[0008] The material head stripping mechanism comprises a base, a clamping assembly and a material head lifting assembly, the material head lifting assembly is arranged on the base below the material disc, and is configured to abut the outer ring of the material strip in the material disc at the material head lifting position to lift the material head of the material strip in cooperation with the rotation of the material disc; the clamping assembly is arranged on one side of the material head lifting assembly, and is configured to clamp the material head after the material head is lifted; the first driving mechanism drives the material disc at the material head lifting position to rise to pull the material strip apart by a predetermined length;

[0009] The cutting mechanism is located on one side of the stripping head mechanism, and the cutting mechanism comprises a mounting seat, a first cutting assembly and a conveying assembly. The conveying assembly is arranged on the mounting seat and is configured to receive and convey the strip head downwardly out of the material disc. The first cutting assembly is arranged on the mounting seat and above the conveying assembly, and is configured to cut the strip head after the conveying assembly conveys the strip head by a preset length.

[0010] Optionally, the automatic strip head cutting mechanism further comprises a strip head positioning mechanism, and the strip head positioning mechanism comprises a positioning assembly, a distance measuring assembly and a roll diameter measuring assembly. The distance measuring assembly is arranged below the material disc and is configured to detect the height of the material disc to control the first driving mechanism to drive the first clamping mechanism to descend by a certain height.

[0011] The roll diameter measuring assembly is configured to measure the outer diameter data of the strip in the material disc. The positioning assembly is arranged below the material disc and is configured to take a photo of the strip head of the material disc to obtain the position information of the strip head. The first clamping mechanism controls the strip head of the material disc to rotate to be directly below the first clamping mechanism according to the position information of the strip head and the outer diameter data of the strip in the material disc.

[0012] Optionally, the automatic strip head cutting mechanism further comprises a rack, a second driving mechanism and a second clamping mechanism. The second driving mechanism is fixedly arranged on the rack, and the driving end of the second driving mechanism is connected with the second clamping mechanism. The second driving mechanism is configured to drive the second clamping mechanism to ascend and descend and to move horizontally. The second clamping mechanism is arranged above the cutting mechanism and is configured to clamp or release the cut strip above the first cutting assembly and rotate to a certain angle.

[0013] Optionally, the conveying assembly comprises a first driving assembly, a second driving assembly, a conveying roller and a clamping roller.

[0014] The conveying roller is rotatably arranged on the mounting seat, and the clamping roller is rotatably arranged on the mounting seat and can move close to or away from the conveying roller. The driving end of the first driving assembly is connected with the conveying roller, and the driving end of the second driving assembly is connected with the clamping roller.

[0015] The second driving assembly drives the clamping roller to move close to the conveying roller to clamp the strip between the clamping roller and the conveying roller.

[0016] The first driving assembly drives the conveying roller to rotate to convey the strip clamped by the clamping roller and the conveying roller downwardly.

[0017] Optionally, the cutting mechanism further comprises a second cutting assembly and a waste box. The second cutting assembly is arranged on the mounting seat and below the conveying assembly, and is configured to cut the strip conveyed by the conveying assembly.

[0018] The top of the waste box is open and directly below the second cutting assembly, and the cut material heads automatically fall into the waste box.

[0019] Optionally, the clamping assembly comprises a third driving member, a third clamping member and a fourth clamping member, the third clamping member and the fourth clamping member are vertically arranged along the second direction, the driving end of the third driving member is connected to the third clamping member and / or the fourth clamping member, and the third driving member is configured to drive the third clamping member and the fourth clamping member to move closer to or away from each other along the second direction to clamp or release the material head of the material tape on the material disc.

[0020] Optionally, the top end of the third clamping member is provided with a clamping protrusion extending towards the fourth clamping member, the bottom surface of the clamping protrusion is provided with an inclined first clamping surface, a plurality of teeth are arranged side by side on the first clamping surface, and the top end of the fourth clamping member is provided with an inclined second clamping surface, so as to clamp the material head through the cooperation of the first clamping surface and the second clamping surface.

[0021] Optionally, at least one suction hole is formed in the second clamping surface, and a suction cavity is arranged on the fourth clamping member, the first end of the suction cavity is in communication with the suction hole, and the second end of the suction cavity is connected to a suction device, and the suction device is configured to suck air in the suction cavity to form a negative pressure for adsorbing and fixing the material head on the second clamping surface.

[0022] Optionally, the material head stripping mechanism further comprises a blowing assembly arranged on the side of the clamping assembly away from the material head lifting assembly, and the blowing assembly is configured to blow air towards the material head of the material tape after the material head lifting assembly lifts the material head of the material tape, so that the material head remains in the lifted state.

[0023] A patch machine disconnection material tape device comprises the automatic material head cutting mechanism.

[0024] Compared with the prior art, the automatic material head cutting mechanism has the following advantages:

[0025] 1) Through the cooperation of the first clamping mechanism, the first driving mechanism, the cutting mechanism and the material head stripping mechanism, not only the material head of the material tape on the material disc is automatically lifted and cut, improving the work efficiency of the material tape processing process, but also a vertical cutting method of the material tape is adopted, which is reasonable in layout, small in overall space occupation and stable and reliable in operation.

[0026] 2) By arranging the blowing assembly on one side of the clamping assembly, the material head is ensured to remain in the lifted state before being clamped, preventing it from falling back, improving the success rate of clamping the material head, further improving the stability of the material head, reducing manual adjustment, and ensuring the smoothness and reliability of production.

[0027] 3) By setting adsorption holes on the fourth clamping piece, the material head is adsorbed and fixed on the fourth clamping piece through the adsorption holes, which further improves the success rate of clamping the material head and the stability and reliability of clamping.

[0028] 4) By the cooperation of the conveying roller and the clamping roller, the functions of automatic clamping and automatic conveying of the material belt are realized. When cutting the material head, the material belt is conveyed through the conveying roller and the clamping roller, which improves the cutting efficiency of the material head. At the same time, the material belt is clamped by the conveying roller and the clamping roller, which not only realizes the positioning of the material belt, but also can cooperate with the driving member to move the material belt.

[0029] 5) By the cooperation of the material head positioning assembly, the distance measuring assembly and the roll diameter measuring assembly, the material belt reaches the preset measuring position to obtain the position and outer diameter information of the material head of the material belt, which facilitates the rotation of the material head to the position directly below the first clamping mechanism, improves the positioning accuracy of the material head, and ensures the accurate clamping of the material head by the clamping assembly. BRIEF DESCRIPTION OF DRAWINGS

[0030] In order to more clearly illustrate and understand the technical solutions in the embodiments of the present application, the drawings needed to be used in the background and embodiment descriptions of the present application will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the contents of the embodiments of the present application and these drawings.

[0031] Figure 1 is a schematic diagram of the three-dimensional structure of the automatic material head cutting mechanism provided by the embodiments of the present application;

[0032] Figure 2 is a schematic diagram of the material head stripping mechanism of the automatic material head cutting mechanism provided by the embodiments of the present application;

[0033] Figure 3 is a front view of the material head stripping mechanism of the automatic material head cutting mechanism provided by the embodiments of the present application;

[0034] Figure 4 is a side view of the material head stripping mechanism of the automatic material head cutting mechanism provided by the embodiments of the present application;

[0035] Figure 5 is a schematic diagram of the three-dimensional structure of the third clamping piece and the fourth clamping piece of the automatic material head cutting mechanism provided by the embodiments of the present application;

[0036] Figure 6 is a schematic diagram of the three-dimensional structure of the third clamping piece and the fourth clamping piece of the automatic material head cutting mechanism provided by the embodiments of the present application; Figure 5

[0037] Figure 7 is a schematic diagram of the three-dimensional structure of the cutting mechanism of the automatic material head cutting mechanism provided by the embodiments of the present application; ​

[0038] Figure 8 is a front view of a cutting mechanism of an automatic scrap head shearing mechanism provided by an embodiment of the present application;

[0039] Figure 9 is a perspective structural schematic view of a scrap head positioning mechanism of an automatic scrap head shearing mechanism provided by an embodiment of the present application. DETAILED DESCRIPTION

[0040] In order to facilitate the understanding of the present application, the present application will be described in more detail below with reference to the relevant drawings. The preferred embodiments of the present application are shown in the drawings. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive. It should be noted that when a component is referred to as "fixed to" another component, it can be directly on the other component or there can be a mediating component. When a component is considered to be "connected" to another component, it can be directly connected to the other component or there can be a mediating component. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as understood by those skilled in the art to which the present application belongs. The terms used in the specification of the present application herein are only for the purpose of describing the specific embodiments and are not intended to limit the present application. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0041] Referring to Figures 1 to 9 The automatic scrap head shearing mechanism provided by an embodiment of the present application includes a first clamping mechanism 10, a first driving mechanism 20, a cutting mechanism 30 and a scrap head stripping mechanism 40, wherein:

[0042] The driving end of the first driving mechanism 20 is connected to the first clamping mechanism 10, the first driving mechanism 20 is configured to drive the first clamping mechanism 10 to move horizontally and to lift, the first clamping mechanism 10 is configured to clamp or release the material disc 50 and to drive the material disc 50 to rotate;

[0043] The scrap head stripping mechanism 40 includes a base 41, a clamping assembly 42 and a scrap head lifting assembly 43, the scrap head lifting assembly 43 is arranged on the base 41 and below the material disc 50, the scrap head lifting assembly 43 is configured to abut the outer ring of the material belt in the material disc 50 at a scrap head lifting position to cooperate with the material disc 50 to lift the scrap head of the material belt; the clamping assembly 42 is arranged on one side of the scrap head lifting assembly 43, the clamping assembly 42 is configured to clamp the scrap head after the scrap head of the material belt is lifted, the first driving mechanism 20 drives the material disc 50 at the scrap head lifting position to rise to pull the material belt apart by a predetermined length;

[0044] The cutting mechanism 30 is located on one side of the stripping head mechanism 40. The cutting mechanism 30 includes a mounting base 31, a first cutting component 32, and a conveying component 33. The conveying component 33 is mounted on the mounting base 31 and is configured to receive and convey the material head led out onto the downward material tray 50. The first cutting component 32 is mounted on the mounting base 31 and is located above the conveying component 33. The first cutting component 32 is configured to cut the material head after the conveying component 33 has conveyed the material head to a preset length.

[0045] Specifically, the first drive mechanism 20 is configured as a three-axis drive module that can drive the first clamping mechanism 10 to move along the X, Y and Z axes.

[0046] Specifically, the first clamping mechanism 10 includes a first driving member 11, a second driving member 12, a first clamping member 13, and a second clamping member 14, the first clamping member 13 and the second clamping member 14 being aligned along a first direction ( Figure 1 The first drive member 11 is vertically arranged in parallel (in the X direction). The drive end of the first drive member 11 is connected to the first clamping member 13 and / or the second clamping member 14. The first drive member 11 is configured to drive the first clamping member 13 and the second clamping member 14 to move closer or further away from each other in the first direction to clamp or release the material head of the material strip on the material tray 50. The drive end of the second drive member 12 is connected to the material tray 50. The second drive member is configured to drive the material tray 50 to rotate.

[0047] Specifically, the cutting mechanism 30 also includes a third drive assembly 34, the drive end of which is connected to the conveying assembly 33. The third drive assembly 34 is configured to drive the conveying assembly 33 to approach or move away from the pulled-out material strip, so as to clamp the material strip and move it to the cutting range of the first cutting assembly 32, so as to facilitate the cutting of the material head.

[0048] Specifically, the lifting head assembly 43 includes a material brush, the brush head of which abuts against the outer ring of the material belt inside the material tray 50.

[0049] Through the cooperation of the first clamping mechanism 10, the first driving mechanism 20, the cutting mechanism 30 and the stripping head mechanism 40, not only is the automatic lifting and cutting of the strip head on the material tray 50 realized, improving the working efficiency of the strip processing process, but also a vertical strip cutting method is adopted, which has a reasonable layout, small overall space occupation, and stable and reliable operation.

[0050] In one embodiment, the automatic shearing head mechanism further includes a head positioning mechanism 60, which includes a positioning component 61, a distance measuring component 62, and a roll diameter measuring component 63. The distance measuring component 62 is disposed below the material tray 50 and is configured to detect the height of the material tray 50 to control the descent height of the first drive mechanism 20 driving the first clamping mechanism 10.

[0051] The roll diameter measuring component 63 is configured to measure the outer diameter data of the material strip inside the material tray 50. The positioning component 61 is installed below the material tray 50 and is configured to take pictures and position the material head of the material tray 50 to obtain the position information of the material head of the material tray 50. The first clamping mechanism 10 controls the material head of the material tray 50 to rotate to the position directly below the first clamping mechanism 10 according to the position information of the material head and the outer diameter data of the material strip inside the material tray 50.

[0052] Specifically, the positioning component 61 is configured as a positioning camera, which is equipped with a light source mounted on the material head positioning mechanism 60. The light source is used for supplementary lighting for taking pictures.

[0053] Specifically, the roll diameter measuring component 63 includes components along the second direction ( Figure 1 Two fiber optic sensors 630 are spaced apart in the Y direction, and the tray 50 is located between the two fiber optic sensors 630 to measure the roll diameter.

[0054] Specifically, the ranging component 62 is configured as a displacement sensor.

[0055] By cooperating with the material head positioning component 61, the distance measuring component 62, and the roll diameter measuring component 63, the material strip reaches the preset measurement position to obtain the position and outer diameter information of the material head, which facilitates rotating the material head directly below the first clamping mechanism 10, improving the accuracy of material head positioning and ensuring that the clamping component 42 accurately clamps the material head.

[0056] In one embodiment, the automatic shearing head mechanism further includes a frame 35, a second drive mechanism 36, and a second clamping mechanism 37. The second drive mechanism 36 is fixedly mounted on the frame 35, and the drive end of the second drive mechanism 36 is connected to the second clamping mechanism 37. The second drive mechanism 36 is configured to drive the second clamping mechanism 37 to move up and down and laterally. The second clamping mechanism 37 is located above the cutting mechanism 30 and is configured to clamp or release the material strip cut above the first cutting assembly 32 and rotate it to a certain angle.

[0057] Specifically, the second clamping mechanism 37 is configured as an electrically rotating gripper.

[0058] Specifically, the second clamping mechanism 37 clamps the material strip and rotates it to a certain angle to facilitate the material strip being transported to the receiving platform for receiving.

[0059] Through the cooperation of the second drive mechanism and the second clamping mechanism 37, the material strip pulled out from the upper part of the cutting mechanism 30 is stably clamped, so as to prevent the material strip from deviating from the preset position after cutting and causing damage to the equipment and the material strip itself.

[0060] In an embodiment, the conveying assembly 33 comprises a first driving assembly 330, a second driving assembly 331, a conveying roller 332 and a clamping roller 333, wherein:

[0061] The conveying roller 332 is rotatably mounted on the mounting base 31, the clamping roller 333 is rotatably mounted on the mounting base 31 and can move close to or away from the conveying roller 332, the driving end of the first driving assembly 330 is connected to the conveying roller 332, and the driving end of the second driving assembly 331 is connected to the clamping roller 333;

[0062] The second driving assembly 331 drives the clamping roller 333 to move close to the conveying roller 332 to clamp the material belt between the clamping roller 333 and the conveying roller 332;

[0063] The first driving assembly 330 drives the conveying roller 332 to rotate to convey the material belt clamped by the clamping roller 333 and the conveying roller 332 downward.

[0064] Through the cooperation of the conveying roller 332 and the clamping roller 333, the functions of automatic clamping and automatic conveying of the material belt are realized, and when cutting the material head, the material belt is conveyed through the conveying roller 332 and the clamping roller 333, which improves the cutting efficiency of the material head; at the same time, the material belt is clamped by the conveying roller 332 and the clamping roller 333, which not only realizes the positioning of the material belt, but also can cooperate with the driving part to move the material belt.

[0065] In an embodiment, the cutting mechanism 30 further comprises a second cutting assembly 38 and a waste box 39, the second cutting assembly 38 is mounted on the mounting base 31 and located below the conveying assembly 33, and the second cutting assembly 38 is configured to cut the material head conveyed by the conveying assembly 33;

[0066] The waste box 39 is open at the top and located directly below the second cutting assembly 38, and the material head cut by the second cutting assembly 38 falls into the waste box 39 automatically.

[0067] Specifically, the first cutting assembly 32 and the second cutting assembly 38 are both horizontally arranged electric scissors or pneumatic scissors.

[0068] By mounting the second cutting assembly 38 below the conveying assembly 33, the cutting of the cut material head is realized, which prevents the long material belt from accurately entering the waste box 39.

[0069] In an embodiment, the clamping assembly 42 comprises a third driving member 420, a third clamping member 421 and a fourth clamping member 422, the third clamping member 421 and the fourth clamping member 422 are vertically arranged side by side along the second direction, the driving end of the third driving member 420 is connected to the third clamping member 421 and / or the fourth clamping member 422, and the third driving member 420 is configured to drive the third clamping member 421 and the fourth clamping member 422 to move towards or away from each other along the first direction to clamp or release the material head of the material tape on the material disc 50.

[0070] Through the cooperation of the third driving member 420, the third clamping member 421 and the fourth clamping member 422, not only the material head can be stably clamped after being lifted and smoothly released when needed, improving the reliability and controllability of the operation, but also the clamping and releasing process can be automatically completed in continuous production, significantly improving the production efficiency.

[0071] In an embodiment, the top end of the third clamping member 421 is provided with a clamping protrusion 423 extending towards the fourth clamping member 422, the bottom surface of the clamping protrusion 423 is provided with an inclined first clamping surface 4230, a plurality of teeth are arranged side by side on the first clamping surface 4230, and the top end of the fourth clamping member 422 is provided with an inclined second clamping surface 4220, so as to clamp the material head through the cooperation of the first clamping surface 4230 and the second clamping surface 4220.

[0072] Through the cooperation of the first clamping surface 4230 and the second clamping surface 4220, the material tape head can be clamped more tightly, ensuring the position of the drawn material head to be fixed and preventing it from loosening, thereby improving the stability of the mechanism working process and the production efficiency.

[0073] In an embodiment, at least one suction hole 4221 is formed on the second clamping surface 4220, and a suction cavity is arranged on the fourth clamping member 422, the first end of the suction cavity is in communication with the suction hole 4221, and the second end of the suction cavity is connected to a suction device, and the suction device is configured to extract air in the suction cavity to form a negative pressure for adsorbing and fixing the material head on the second clamping surface 4220.

[0074] Through the cooperation of the suction hole 4221, the suction cavity and the suction device, the material head of the material tape is stably adsorbed at the clamping position, providing double fixing guarantee, ensuring the stability and safety of the drawing process, and further improving the production efficiency.

[0075] In an embodiment, the material head stripping mechanism 40 further comprises a blowing assembly 44, which is arranged on the side of the clamping assembly 42 away from the material head lifting assembly 43, and the blowing assembly 44 is configured to blow air towards the material head of the material tape after the material head is lifted by the material head lifting assembly 43, so that the material head remains in the lifted state.

[0076] Specifically, the blowing assembly 44 comprises a blowing nozzle 440, an air pipe and an external air source. The blowing nozzle 440 is arranged below the material head lifting assembly 43, and the height of the blowing nozzle 440 is the same as that of the material head lifting assembly 43. The blowing nozzle 440 is connected with the first end of the air pipe, and the second end of the air pipe is connected with the external air source. The external air source supplies high-pressure gas into the air pipe, and the gas is discharged through the blowing nozzle 440.

[0077] By arranging the blowing assembly 44 on one side of the clamping assembly 42, it is ensured that the material head is kept in the lifted state before being clamped, and it is prevented from falling back or falling off, thereby further improving the stability of the material head in being led out, reducing manual adjustment, and ensuring the smoothness and reliability of production.

[0078] A patch machine material strip dismounting device comprises the automatic material head cutting mechanism.

[0079] The above examples only illustrate the basic principles and characteristics of the present application, and the present application is not limited by the above examples. Various changes and modifications can be made to the present application without departing from the spirit and scope of the present application, and these changes and modifications all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. An automatic scrap trimming mechanism, characterized by, The automatic material head cutting mechanism comprises a first clamping mechanism, a first driving mechanism, a cutting mechanism and a material head stripping mechanism, wherein: The driving end of the first driving mechanism is connected to the first clamping mechanism, the first driving mechanism is configured to drive the first clamping mechanism to move horizontally and vertically, and the first clamping mechanism is configured to clamp or release the material disc and drive the material disc to rotate; The material head stripping mechanism comprises a base, a clamping assembly and a material head lifting assembly, the material head lifting assembly is arranged on the base and below the material disc, the material head lifting assembly is configured to abut the outer ring of the material belt in the material disc at a material head lifting position to cooperate with the rotation of the material disc to lift the material head of the material belt, the clamping assembly is arranged on one side of the material head lifting assembly, the clamping assembly is configured to clamp the material head after the material head of the material belt is lifted, and the first driving mechanism drives the material disc at the material head lifting position to rise to pull the material belt apart by a predetermined length; The cutting mechanism is located on one side of the material head stripping mechanism, the cutting mechanism comprises a mounting seat, a first cutting assembly and a conveying assembly, the conveying assembly is arranged on the mounting seat, and the conveying assembly is configured to receive and convey downward the material head led out of the material disc; the first cutting assembly is arranged on the mounting seat and above the conveying assembly, and the first cutting assembly is configured to cut the material head after the conveying assembly conveys the material head by a predetermined length.

2. The automatic trim-off mechanism according to claim 1, wherein The automatic material head cutting mechanism further comprises a material head positioning mechanism, the material head positioning mechanism comprises a positioning assembly, a distance measuring assembly and a roll diameter measuring assembly, the distance measuring assembly is arranged below the material disc, and the distance measuring assembly is configured to detect the height of the material disc to control the first driving mechanism to drive the first clamping mechanism to descend to a certain height; The roll diameter measuring assembly is configured to measure the outer diameter data of the material belt in the material disc, the positioning assembly is installed below the material disc, and the positioning assembly is configured to take a photo of the material head of the material disc to obtain the position information of the material head of the material disc, and the first clamping mechanism controls the material head of the material disc to rotate to the directly below the first clamping mechanism according to the position information of the material head and the outer diameter data of the material belt in the material disc.

3. The automatic trim-off mechanism according to claim 1, wherein The automatic material head cutting mechanism further comprises a rack, a second driving mechanism and a second clamping mechanism, the second driving mechanism is fixedly installed on the rack, the driving end of the second driving mechanism is connected to the second clamping mechanism, the second driving mechanism is configured to drive the second clamping mechanism to move vertically and horizontally, the second clamping mechanism is located above the cutting mechanism, and the second clamping mechanism is configured to clamp or release the material belt cut by the first cutting assembly and rotate to a certain angle.

4. The automatic trim-off mechanism according to claim 1, wherein The conveying assembly comprises a first driving assembly, a second driving assembly, a conveying roller and a clamping roller, wherein: The conveying roller is rotatably installed on the mounting seat, the clamping roller is rotatably and proximally or distally installed on the mounting seat relative to the conveying roller, the driving end of the first driving assembly is connected to the conveying roller, and the driving end of the second driving assembly is connected to the clamping roller. The second driving assembly drives the clamping roller to move close to the conveying roller to clamp the material tape between the clamping roller and the conveying roller. The first driving assembly drives the conveying roller to rotate to convey the material tape clamped by the clamping roller and the conveying roller downward.

5. The automatic trim-off mechanism according to claim 1, wherein The cutting mechanism further comprises a second cutting assembly and a waste box, the second cutting assembly is installed on the mounting seat and located below the conveying assembly, and the second cutting assembly is configured to cut the material tape when the conveying assembly conveys the material tape. The waste box is open at the top and located directly below the second cutting assembly, and the material tape cut by the second cutting assembly falls into the waste box automatically.

6. The automatic trim-off mechanism according to claim 1, wherein The clamping assembly comprises a third driving member, a third clamping member and a fourth clamping member, the third clamping member and the fourth clamping member are arranged vertically and side by side along a second direction, and the driving end of the third driving member is connected to the third clamping member and / or the fourth clamping member, and the third driving member is configured to drive the third clamping member and the fourth clamping member to move close to or away from each other along the second direction to clamp or release the material tape on the material disc.

7. The automatic trim-off mechanism according to claim 6, wherein The top end of the third clamping member is provided with a clamping protrusion extending towards the fourth clamping member, the bottom surface of the clamping protrusion is provided with an inclined first clamping surface, a plurality of teeth are arranged side by side on the first clamping surface, the top end of the fourth clamping member is provided with an inclined second clamping surface, and the first clamping surface and the second clamping surface cooperate to clamp the material tape.

8. The automatic trim-off mechanism according to claim 7, wherein At least one suction hole is formed in the second clamping surface, and a suction cavity is arranged on the fourth clamping member, the first end of the suction cavity is connected to the suction hole, and the second end of the suction cavity is connected to a suction device, the suction device is configured to suck air in the suction cavity to form a negative pressure for adsorbing and fixing the material tape on the second clamping surface.

9. The automatic trim-off mechanism according to claim 1, wherein The material tape stripping mechanism further comprises a blowing assembly arranged on the side of the clamping assembly away from the material tape lifting assembly, and the blowing assembly is configured to blow air towards the material tape after the material tape is lifted by the material tape lifting assembly, so that the material tape remains in the lifted state.

10. A patch machine depaneling equipment characterized by, The patch machine disconnection material tape equipment comprises the automatic material tape stripping mechanism according to any one of claims 1-9.

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