A method for inspecting a head and a bottom plate of a digital printing

Abstract

The application discloses a digital printing vehicle head, comprising a printing vehicle head, a vehicle head connecting mechanism, a bottom plate fixing mechanism, wherein the vehicle head connecting mechanism is arranged at the front end and the rear end of the right side of the printing vehicle head; the bottom plate fixing mechanism comprises a positioning block arranged at the two sides of the bottom of the printing vehicle head, and the top of the positioning block penetrates into the interior of the printing vehicle head; a push rod is arranged at the four corners of the front face and the back face of the printing vehicle head, and the push rod is fixedly connected with a moving plate penetrating into the interior of the printing vehicle head near the side of the printing vehicle head. The bottom plate base is separated from the vehicle head shell through the bottom plate fixing mechanism, and then the bottom plate base is separated from the bottom plate connecting shell and the bottom plate through the positioning mechanism, so that the bottom plate can be removed for detection, the precision of the bottom plate is ensured before use, the printing product precision is prevented from being affected, and the normal use of the user is ensured.

Description

Technical Field

[0001] This invention relates to the field of digital printing technology, specifically to a method for inspecting the printing head and base plate of a digital printing machine. Background Technology

[0002] Digital printing is the digitization of printing technology. It broadly refers to the partial or complete digitization of the entire process. Examples include laser typesetting, remote plate transfer, digital proofing, computer-to-plate (CTP), digital workflows, and printing plant ERP systems.

[0003] Digital printing requires a digital printing head, such as the dual-head digital printing machine disclosed in Chinese patent (publication number: CN220180397U), which includes a frame. The frame is characterized by having a left-right distributed printing area and a moisturizing area, and two parallel crossbeams spanning the frame. Printing carriages are movably mounted on the two crossbeams, and these carriages can reciprocate between the printing area and the moisturizing area. The moisturizing area has two parallel moisturizing discs, each moisturizing the printhead of its corresponding printing carriage. These discs are movable on a guide rail assembly, and a maintenance space for the printing carriage is formed between the two mutually distant moisturizing discs. The present invention features a double-beam humidification design, which facilitates the maintenance of the printing carriage. The aforementioned patent employs a double-beam design, staggering the front and rear of the printing carriage and equipping it with a movable humidification tray. The space between the two mutually distant humidification trays forms a maintenance space for the printing carriage, facilitating maintenance. However, it is inconvenient for users to remove the base plate for inspection, making it difficult to guarantee the base plate's accuracy before use. This can easily affect the accuracy of printed products, and the inability to remove the base plate for inspection hinders normal user operation. Summary of the Invention

[0004] To address the problems mentioned in the background art, the present invention aims to provide a method for inspecting the front and back plates of digital printing, which has the advantage of being able to remove the back plate for inspection, thus solving the problem that the back plate of digital printing cannot be removed for inspection.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a digitally printed car head, comprising:

[0006] Printing head;

[0007] A front-end connecting mechanism is provided at the front and rear ends of the right side of the printing head;

[0008] A base plate fixing mechanism includes positioning blocks on both sides of the bottom of the printing head. The top of the positioning blocks extends into the interior of the printing head. Push rods are provided at the four corners of the front and back of the printing head. A movable plate is fixedly connected to the side of the push rod closest to the printing head, extending into the interior of the printing head. A locking rod is fixedly connected to the side of the movable plate closest to the positioning blocks. The side of the locking rod away from the movable plate extends into the interior of the positioning blocks. A spring plate is fixedly connected to the side of the movable plate away from the locking rod.

[0009] A positioning mechanism includes a connecting rod, a pull plate is fixedly connected to the left side of the connecting rod through the interior of the printing head, a clamping plate is fixedly connected to the bottom right side of the pull plate, and springs are fixedly connected to the top and bottom left side of the pull plate, with the left side of the springs fixedly connected to the inner wall of the printing head.

[0010] In a preferred embodiment of the present invention, the printing head includes a base plate, a head machine housing is movably connected inside the base plate, a positioning shell is movably connected to the left side of the head machine housing, a reinforcing shell is movably connected to the left side of the positioning shell, a base plate connecting shell is provided at the bottom of the base plate, a base plate is fixedly connected to the top of the base plate connecting shell, a guardrail is fixedly connected inside the base plate, the left side of the guardrail contacts the head machine housing, a positioning block is fixedly connected to the top of the base plate connecting shell, the top of the positioning block extends through the interior of the base plate, a push rod is provided on both sides of the front and back of the base plate, the surface of the moving plate is slidably connected to the inner wall of the base plate, a connecting rod is provided at the front and rear ends of the right side of the head machine housing, the right side of the clamping plate extends through the head machine housing and into the interior of the guardrail, and the side of the spring plate away from the moving plate is fixedly connected to the inner wall of the base plate.

[0011] In a preferred embodiment of the present invention, the vehicle head connecting mechanism includes a screw rod disposed on the left side of the vehicle head housing. A screw hole plate is threadedly connected to the surface of the screw rod. An insertion plate is fixedly connected to the bottom left side of the screw hole plate. The left side of the insertion plate extends through to the left side of the positioning housing. A sliding sleeve is slidably connected to the top of the screw hole plate. A connecting block is fixedly connected to the top of the sliding sleeve. An inclined frame is movably connected to both the front and back sides of the connecting block. A lifting plate is fixedly connected to the top of the inclined frame. A lifting rod is fixedly connected to the top of the lifting plate. The top of the lifting rod extends through to the top of the positioning housing.

[0012] In a preferred embodiment of the present invention, a push plate is fixedly connected to the front of the push rod, and sliders are fixedly connected to the top and bottom of the movable plate. Sliding grooves are provided at the top and bottom of the inner wall of the base plate, and the sliding grooves are slidably connected to the sliders.

[0013] In a preferred embodiment of the present invention, a sliding block is fixedly connected to the bottom of the screw hole plate, a sliding groove is provided at the bottom of the inner wall of the car head housing, the sliding block is slidably connected to the sliding groove, a sliding rod is slidably connected inside the sliding sleeve, and the two sides of the sliding rod are fixedly connected to the two sides of the inner wall of the car head housing respectively.

[0014] As a preferred embodiment of the present invention, guide blocks are fixedly connected to both sides of the lifting plate, and guide grooves are provided on both sides of the inner wall of the base plate, with the guide blocks slidably connected to the guide grooves.

[0015] In a preferred embodiment of the present invention, the top and bottom of the pull plate are fixedly connected to limit plates, and the inner wall of the front housing is provided with a limit groove corresponding to the position of the limit plate, and the limit plate is slidably connected to the limit groove.

[0016] As a preferred embodiment of the present invention, the following steps are included:

[0017] S1 The user pushes the linkage with the glove, the linkage moves the pull plate to the left, the pull plate moves the locking plate to the left, and at the same time the spring is compressed, the locking plate moves to the left and separates from the guardrail, then the base plate is removed, and then S2 is executed;

[0018] S2: The user pushes the push plate, which moves the push rod away from the positioning block. The push rod moves the moving plate away from the positioning block, and the moving plate moves the locking rod away from the positioning block, causing the locking rod to separate from the positioning block. The positioning block is then pulled out through the base plate and the base plate connecting shell. Then, S3 is executed.

[0019] S3: Place the base plate and base plate base on the coordinate measuring machine (CMM). The CMM will randomly select 2%-3% of the processed base plates and base plates and send them out for external CMM measurement to verify their accuracy. Then, the base plates and base plates will be tested on the machine. The user will directly install the base plates and base plates onto the testing equipment and conduct production testing according to the production acceptance standards to verify the actual accuracy.

[0020] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0021] 1. This invention separates the base plate from the machine head housing by setting a base plate fixing mechanism, and then separates the base plate from the base plate connecting shell and the base plate by a positioning mechanism. This allows the base plate to be removed for inspection, ensuring the accuracy of the base plate before use and avoiding affecting the accuracy of printed products. The base plate can be removed for inspection, thus ensuring normal use by the user.

[0022] 2. This invention can fix the printing nozzle by setting a printing head. The user installs the head housing on the top of the base plate, then installs the positioning shell on the left side of the head housing. After that, the reinforcement shell is installed on the left side of the positioning shell to increase the strength of the positioning shell. Then the base plate connecting shell is installed at the bottom of the base plate, and then the base plate is fixed at the bottom of the base plate connecting shell. Finally, the printing head is installed on the base plate, and the nozzle is fixed by the base plate.

[0023] 3. This invention, by setting a connecting mechanism, can fix the positioning shell. When the user rotates the screw, the screw drives the screw hole plate to move to the left. The screw hole plate drives the insertion plate to move to the left and insert it into the interior of the positioning shell. At the same time, it drives the sliding sleeve to move to the left. The sliding sleeve drives the connecting block to move to the left. The connecting block drives the lifting plate to move upward through the inclined surface at the top of the inclined frame. The lifting plate drives the lifting rod to move up and down and insert it into the top of the positioning shell. By fixing the left side and the top of the positioning shell, the positioning shell is prevented from shaking. Attached Figure Description

[0024] Figure 1 This is a structural diagram of the present invention;

[0025] Figure 2 For the present invention Figure 1 3D structural diagram of the CRRC head connection mechanism;

[0026] Figure 3 For the present invention Figure 1 Three-dimensional structural diagram of the bottom plate fixing mechanism;

[0027] Figure 4 For the present invention Figure 1 A bottom-view structural diagram of the printing press head;

[0028] Figure 5 For the present invention Figure 1 3D structural diagram of the base plate;

[0029] Figure 6 For the present invention Figure 1 A three-dimensional structural diagram of the positioning mechanism.

[0030] In the diagram: 1. Printing head; 101. Base plate; 102. Head housing; 103. Positioning shell; 104. Reinforcing shell; 105. Base plate connecting shell; 106. Base plate; 107. Guardrail; 2. Head connecting mechanism; 21. Screw; 22. Screw hole plate; 23. Insertion plate; 24. Sliding sleeve; 25. Connecting block; 26. Inclined frame; 27. Lifting plate; 28. Lifting rod; 3. Base plate fixing mechanism; 31. Positioning block; 32. Push rod; 33. Moving plate; 34. Locking rod; 35. Spring plate; 4. Positioning mechanism; 41. Connecting rod; 42. Pulling plate; 43. Locking plate; 44. Spring; 5. Hand push plate; 6. Slider; 7. Slide groove; 8. Sliding block; 9. Sliding groove; 10. Sliding rod; 11. Guide block; 12. Guide groove; 13. Limiting plate; 14. Limiting groove. Detailed Implementation

[0031] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0032] like Figures 1 to 6 As shown, the present invention provides a digitally printed car head, comprising:

[0033] Printing head 1;

[0034] The head unit 2 is located at the front and rear ends of the right side of the printing head unit 1.

[0035] The base plate fixing mechanism 3 includes positioning blocks 31, which are located on both sides of the bottom of the printing head 1. The top of the positioning blocks 31 extends into the interior of the printing head 1. Push rods 32 are provided at the four corners of the front and back of the printing head 1. A moving plate 33 is fixedly connected to the side of the push rod 32 that is close to the printing head 1 and extends into the interior of the printing head 1. A locking rod 34 is fixedly connected to the side of the moving plate 33 that is close to the positioning blocks 31. The side of the locking rod 34 that is away from the moving plate 33 extends into the interior of the positioning blocks 31. A spring plate 35 is fixedly connected to the side of the moving plate 33 that is away from the locking rod 34.

[0036] The positioning mechanism 4 includes a connecting rod 41. The left side of the connecting rod 41 extends through the interior of the printing head 1 and is fixedly connected to a pull plate 42. The bottom right side of the pull plate 42 is fixedly connected to a locking plate 43. The top and bottom left sides of the pull plate 42 are both fixedly connected to springs 44. The left side of the springs 44 is fixedly connected to the inner wall of the printing head 1.

[0037] refer to Figure 1The printing head 1 includes a base plate 101, with a head machine housing 102 movably connected inside the base plate 101. A positioning shell 103 is movably connected to the left side of the head machine housing 102, and a reinforcing shell 104 is movably connected to the left side of the positioning shell 103. A base plate connecting shell 105 is provided at the bottom of the base plate 101, and a base plate 106 is fixedly connected to the top of the base plate connecting shell 105. A guardrail 107 is fixedly connected inside the base plate 101, with the left side of the guardrail 107 contacting the head machine housing 102. A positioning block 3 is also included. 1. Fixedly connected to the top of the base plate connecting shell 105, the top of the positioning block 31 extends through to the interior of the base plate base 101, the push rod 32 is set on both sides of the front and back of the base plate base 101, the surface of the moving plate 33 is slidably connected to the inner wall of the base plate base 101, the connecting rod 41 is set at the front end and rear end of the right side of the front engine housing 102, the right side of the clamping plate 43 extends through the front engine housing 102 and into the interior of the guardrail 107, and the side of the spring plate 35 away from the moving plate 33 is fixedly connected to the inner wall of the base plate base 101.

[0038] As a technical optimization of the present invention, the printing head can be fixed by setting the printing head 1. The user installs the head housing 102 on the top of the base plate 101, and then installs the positioning shell 103 on the left side of the head housing 102. After completion, the reinforcing shell 104 is installed on the left side of the positioning shell 103 to increase the strength of the positioning shell 103. Then, the base plate connecting shell 105 is installed at the bottom of the base plate 101, and then the base plate 106 is fixed at the bottom of the base plate connecting shell 105. Finally, the printing head is installed on the base plate 106, and the printing head is fixed by the base plate 106.

[0039] refer to Figure 2 The front connecting mechanism 2 includes a screw 21, which is located on the left side of the front housing 102. A screw hole plate 22 is threadedly connected to the surface of the screw 21. An insertion plate 23 is fixedly connected to the bottom left side of the screw hole plate 22. The left side of the insertion plate 23 extends through to the left side of the positioning housing 103. A sliding sleeve 24 is slidably connected to the top of the screw hole plate 22. A connecting block 25 is fixedly connected to the top of the sliding sleeve 24. An inclined frame 26 is movably connected to both the front and back of the connecting block 25. A lifting plate 27 is fixedly connected to the top of the inclined frame 26. A lifting rod 28 is fixedly connected to the top of the lifting plate 27. The top of the lifting rod 28 extends through to the top of the positioning housing 103.

[0040] As a technical optimization of the present invention, the positioning shell 103 can be fixed by setting a connecting mechanism. When the user rotates the screw 21, the screw 21 drives the screw hole plate 22 to move to the left. The screw hole plate 22 drives the insertion plate 23 to move to the left and insert it into the interior of the positioning shell 103. At the same time, it drives the sliding sleeve 24 to move to the left. The sliding sleeve 24 drives the connecting block 25 to move to the left. The connecting block 25 drives the lifting plate 27 to move upward through the inclined surface at the top of the inclined frame 26. The lifting plate 27 drives the lifting rod 28 to move up and down and insert it into the top of the positioning shell 103. By fixing the left side and the top of the positioning shell 103, the positioning shell 103 is prevented from shaking.

[0041] refer to Figure 3 and Figure 5 A push plate 5 is fixedly connected to the front of the push rod 32, and sliders 6 are fixedly connected to the top and bottom of the moving plate 33. Slide grooves 7 are provided on the top and bottom of the inner wall of the base plate 101, and slide grooves 7 are slidably connected to sliders 6.

[0042] As a technical optimization of the present invention, by setting the push plate 5, the contact area between the push rod 32 and the hand can be increased, thereby making it easier for the user to push the push rod 32. By setting the slider 6 and the groove 7, the moving plate 33 can be positioned to prevent the moving plate 33 from moving back and forth.

[0043] refer to Figure 2 A sliding block 8 is fixedly connected to the bottom of the screw hole plate 22. A sliding groove 9 is provided at the bottom of the inner wall of the head engine housing 102. The sliding block 8 is slidably connected to the sliding groove 9. A sliding rod 10 is slidably connected inside the sliding sleeve 24. The two sides of the sliding rod 10 are fixedly connected to the two sides of the inner wall of the head engine housing 102 respectively.

[0044] As a technical optimization of the present invention, by setting the sliding block 8 and the sliding groove 9, the screw hole plate 22 can be fixed to prevent the screw hole plate 22 from rotating. By setting the sliding rod 10, the sliding sleeve 24 can be limited to prevent the sliding sleeve 24 from moving up and down.

[0045] refer to Figure 2 Guide blocks 11 are fixedly connected to both sides of the lifting plate 27, and guide grooves 12 are opened on both sides of the inner wall of the base plate 101. The guide blocks 11 and the guide grooves 12 are slidably connected.

[0046] As a technical optimization of the present invention, by setting the guide block 11 and the guide groove 12, the lifting plate 27 can be guided to prevent the lifting plate 27 from deviating when moving.

[0047] refer to Figure 3Limiting plates 13 are fixedly connected to the top and bottom of the pull plate 42. A limiting groove 14 is opened on the inner wall of the front housing 102 at the position corresponding to the limiting plate 13. The limiting plate 13 and the limiting groove 14 are slidably connected.

[0048] As a technical optimization of the present invention, by setting the limiting plate 13 and the limiting groove 14, the pulling plate 42 can be positioned to prevent the pulling plate 42 from shaking.

[0049] A method for inspecting digitally printed machine head base plates, comprising the following steps:

[0050] S1: The user pushes the linkage 41 with the glove. The linkage 41 drives the pull plate 42 to move to the left. The pull plate 42 drives the locking plate 43 to move to the left. At the same time, the spring 44 is compressed. The locking plate 43 moves to the left and separates from the guardrail 107. Then the base plate 101 is removed. Then S2 is executed.

[0051] S2: The user pushes the push plate 5, which moves the push rod 32 away from the positioning block 31. The push rod 32 moves the moving plate 33 away from the positioning block 31, and the moving plate 33 moves the locking rod 34 away from the positioning block 31, causing the locking rod 34 to separate from the positioning block 31. The positioning block 31 is then pulled out through the base plate 106 and the base plate connecting shell 105. Then, S3 is executed.

[0052] S3: Place the base plate 106 and the base plate base 101 on the coordinate measuring machine. The coordinate measuring machine will randomly select 2%-3% of the processed base plate 106 and base plate base 101 for external measurement and verification of their dimensional accuracy. Then, it will be tested on the machine. The user will directly install the base plate 106 and base plate base 101 onto the testing equipment and conduct production testing according to the production acceptance standards to verify the actual accuracy.

[0053] The working principle and usage process of this invention are as follows: During use, the user pushes the connecting rod 41 with their glove. The connecting rod 41 moves the pulling plate 42 to the left, which in turn moves the locking plate 43 to the left. Simultaneously, the spring 44 is compressed, causing the locking plate 43 to move to the left and separate from the guardrail 107. Then, the base plate 101 is removed. Next, the user pushes the push plate 5, which moves the push rod 32 away from the positioning block 31. The push rod 32 moves the moving plate 33 away from the positioning block 31, and the moving plate 33 moves the locking rod 34 away from the positioning block 31. The movement of one side separates the locking rod 34 from the positioning block 31. The positioning block 31 is then pulled out through the base plate 106 and the base plate connecting shell 105. The base plate 106 and the base plate base 101 are then placed on the coordinate measuring machine. The coordinate measuring machine extracts 2%-3% of the processed base plate 106 and base plate base 101 for external measurement to verify the accuracy. Then, the base plate 106 and base plate base 101 are directly installed on the testing equipment and production testing is carried out according to the production acceptance standards to verify the actual accuracy.

[0054] In summary, this digital printing head and base plate inspection method, by setting up a base plate fixing mechanism 3 to separate the base plate base 101 from the head plate housing 102, and then using a positioning mechanism 4 to separate the base plate base 101 from the base plate connecting shell 105 and the base plate 106, allows the base plate 106 to be removed for inspection. Before use, users can ensure the accuracy of the base plate 106 to avoid affecting the accuracy of the printed products. The base plate 106 can be removed for inspection, thus ensuring normal use by the user.

[0055] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0056] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A digitally printed car front, characterized in that, include: Printing head (1); The front connecting mechanism (2) is provided at the front and rear ends of the right side of the printing head (1); The base plate fixing mechanism (3) includes a positioning block (31). The positioning block (31) is set on both sides of the bottom of the printing head (1). The top of the positioning block (31) extends into the interior of the printing head (1). Push rods (32) are provided at the four corners of the front and back of the printing head (1). A moving plate (33) is fixedly connected to the side of the push rod (32) that is close to the printing head (1) and extends into the interior of the printing head (1). A locking rod (34) is fixedly connected to the side of the moving plate (33) that is close to the positioning block (31). A spring plate (35) is fixedly connected to the side of the locking rod (34) that is away from the moving plate (33). The positioning mechanism (4) includes a connecting rod (41). A pull plate (42) is fixedly connected to the left side of the connecting rod (41) through the inside of the printing head (1). A card plate (43) is fixedly connected to the bottom right side of the pull plate (42). A spring (44) is fixedly connected to the top and bottom left side of the pull plate (42). The left side of the spring (44) is fixedly connected to the inner wall of the printing head (1). The printing head (1) includes a base plate (101), a head machine housing (102) is movably connected inside the base plate (101), a positioning shell (103) is movably connected to the left side of the head machine housing (102), a reinforcing shell (104) is movably connected to the left side of the positioning shell (103), a base plate connecting shell (105) is provided at the bottom of the base plate (101), a base plate (106) is fixedly connected to the top of the base plate connecting shell (105), a guardrail (107) is fixedly connected inside the base plate (101), the left side of the guardrail (107) contacts the head machine housing (102), and the positioning block (31) is fixedly connected to the bottom. The top of the plate connecting shell (105) extends through the top of the positioning block (31) into the interior of the base plate (101). The push rod (32) is located on both sides of the front and back of the base plate (101). The surface of the moving plate (33) is slidably connected to the inner wall of the base plate (101). The connecting rod (41) is located at the front and rear ends of the right side of the front engine housing (102). The right side of the clamping plate (43) extends through the front engine housing (102) and into the interior of the guardrail (107). The side of the spring plate (35) away from the moving plate (33) is fixedly connected to the inner wall of the base plate (101). The front of the push rod (32) is fixedly connected to the push plate (5).

2. The digitally printed car head according to claim 1, characterized in that: The vehicle head connecting mechanism (2) includes a screw (21), which is located on the left side of the vehicle head housing (102). The screw (21) is threaded with a screw hole plate (22). An insertion plate (23) is fixedly connected to the bottom left side of the screw hole plate (22). The left side of the insertion plate (23) extends through to the left side of the positioning housing (103). A sliding sleeve (24) is slidably connected to the top of the screw hole plate (22). A connecting block (25) is fixedly connected to the top of the sliding sleeve (24). An inclined frame (26) is movably connected to both the front and back sides of the connecting block (25). A lifting plate (27) is fixedly connected to the top of the inclined frame (26). A lifting rod (28) is fixedly connected to the top of the lifting plate (27). The top of the lifting rod (28) extends through to the top of the positioning housing (103).

3. The digitally printed car head according to claim 2, characterized in that: The top and bottom of the movable plate (33) are fixedly connected to sliders (6), and the top and bottom of the inner wall of the base plate (101) are provided with grooves (7), which are slidably connected to the sliders (6).

4. The digitally printed car head according to claim 3, characterized in that: The bottom of the screw plate (22) is fixedly connected to a sliding block (8), and the bottom of the inner wall of the car head housing (102) is provided with a sliding groove (9). The sliding block (8) is slidably connected to the sliding groove (9). The inside of the sliding sleeve (24) is slidably connected to a sliding rod (10), and the two sides of the sliding rod (10) are fixedly connected to the two sides of the inner wall of the car head housing (102).

5. The digitally printed car head according to claim 4, characterized in that: Guide blocks (11) are fixedly connected to both sides of the lifting plate (27), and guide grooves (12) are opened on both sides of the inner wall of the base plate (101). The guide blocks (11) and guide grooves (12) are slidably connected.

6. The digitally printed car head according to claim 5, characterized in that: The top and bottom of the pull plate (42) are fixedly connected to the limiting plate (13), and the inner wall of the car head housing (102) is provided with a limiting groove (14) corresponding to the position of the limiting plate (13). The limiting plate (13) and the limiting groove (14) are slidably connected.

7. The method for inspecting the bottom plate of a digitally printed machine head as described in claim 6, characterized in that: Includes the following steps: S1: The user pushes the linkage (41) with the glove. The linkage (41) drives the pull plate (42) to move to the left. The pull plate (42) drives the clamping plate (43) to move to the left. At the same time, the spring (44) is compressed. The clamping plate (43) moves to the left and separates from the guardrail (107). Then the base plate (101) is removed. Then S2 is executed. S2: The user pushes the push plate (5), which drives the push rod (32) to move away from the positioning block (31). The push rod (32) drives the moving plate (33) to move away from the positioning block (31). The moving plate (33) drives the locking rod (34) to move away from the positioning block (31), causing the locking rod (34) to separate from the positioning block (31). The positioning block (31) is then pulled out through the base plate (106) and the base plate connecting shell (105). Then, S3 is executed. S3: Place the base plate (106) and base plate base (101) on the coordinate measuring machine. The coordinate measuring machine will take 2%-3% of the processed base plate (106) and base plate base (101) and send them out to the coordinate measuring machine for dimensional measurement to verify the accuracy. Then, it will be tested on the machine. The user will directly install the base plate (106) and base plate base (101) onto the testing equipment and conduct production testing according to the production acceptance standards to verify the actual accuracy.

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