Device for measuring internal shrinkage of cutter pad of coating die head
By designing a device for measuring the shrinkage of the coating die pad, the device utilizes a measuring mechanism and scale measurement to achieve accurate measurement of the shrinkage of the coating die pad, solving the problem of inaccurate measurement in existing technologies and avoiding the black line phenomenon in coating operations.
Patent Information
- Application Number
- CN202520189508.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-06
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-02-06
AI Technical Summary
Existing technology cannot accurately measure the shrinkage of the coating die pad, resulting in black lines during coating operations.
Design a device for measuring the shrinkage of a coating die pad, including a measuring mechanism, a positioning component, a limiting component, and a stopping mechanism, and achieve accurate measurement through zeroing and scale measurement.
It enables precise measurement of the shrinkage of the coating die pad, thus avoiding the black line phenomenon in the coating operation.
Smart Images

Figure CN223678375U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to coating production technical field especially relates to a coating die knife pad shrinkage measuring device. BACKGROUND
[0002] In the battery coating production process, the slurry and the point glue slurry are uniformly coated on the surface of the substrate through the die pad opening, the vertical surface of the knife pad lug is perpendicular to the die lip, and the horizontal distance is called "knife pad shrinkage". When the knife pad shrinkage is less than or equal to 0.2mm, the outlet convergence area is small, and the point glue area is easy to squeeze and mix, so that the coating operation appears black line phenomenon.
[0003] In the prior art, when the black line phenomenon appears in the coating operation, the method of adjusting and testing the shrinkage in the field is usually to use a feeler gauge to align the lip and the gap between the pad to confirm the shrinkage. This method cannot accurately measure the actual value of the knife pad shrinkage. UTILITY MODEL CONTENTS
[0004] The utility model aims at the above-mentioned technical problems, and provides a coating die knife pad shrinkage measuring device to solve the above-mentioned technical problems.
[0005] Therefore, the utility model provides a coating die knife pad shrinkage measuring device, which comprises:
[0006] The measuring mechanism comprises a measuring shell and a measuring screw located on one end of the measuring shell in the first direction, and the measuring screw can be extended and retracted in the first direction to realize measurement.
[0007] The positioning member is installed on the measuring shell and is arranged in the same direction as the measuring screw.
[0008] The limiting member is installed on the positioning member and is used to abut the outer end of the measuring screw.
[0009] When the outer end of the measuring screw abuts the limiting member, the measuring screw is in the initial measurement position.
[0010] Further, the positioning member is a fixed sleeve, one end of the fixed sleeve is installed on the measuring shell, and the fixed sleeve is sleeved on the outside of the measuring screw.
[0011] Further, the limiting member is a limiting cap installed on the other end of the fixed sleeve.
[0012] Further, the limiting cap is threadedly connected to the fixed sleeve.
[0013] Further, it further comprises:
[0014] The stop mechanism is installed on the positioning member and is used to lock the measuring screw.
[0015] Further, the stop mechanism comprises:
[0016] A locking screw is threadedly connected to the positioning member, and a tail of the locking screw is used to abut against the measuring screw in the radial direction;
[0017] A control knob is installed on a head of the locking screw and is used to control rotation of the locking screw.
[0018] Further, the measuring mechanism is a differential head.
[0019] Further, the measuring mechanism further comprises:
[0020] An adjusting knob is circumferentially rotatably installed on the measuring shell and is connected to the tail of the measuring screw;
[0021] The measuring screw is threadedly connected to the measuring shell, and the adjusting knob is used to control rotation of the measuring screw.
[0022] Further, the measuring mechanism further comprises:
[0023] A fine adjustment knob is installed on the tail of the measuring screw and is used to control rotation of the measuring screw.
[0024] Further, the measuring shell and the adjusting knob are both provided with scales.
[0025] The utility model has the advantages of:
[0026] When the device is used to measure the shrinkage of the knife pad of the coating die head, zero adjustment is first performed, the limiting member is installed on the positioning member, the measuring screw is controlled to stretch and retract in the first direction, and when the end of the measuring screw abuts against the limiting member, it indicates that the measuring screw is located at the initial position, and the zero adjustment is completed; then the limiting member is detached from the positioning member, the positioning member abuts against the lip of the coating die head, and then the measuring screw is controlled to move in the first direction; when the measuring screw abuts against the knife pad inside the lip, the measuring screw is taken out of the lip, and the scale value displayed is the shrinkage of the knife pad of the coating die head, so that accurate measurement of the shrinkage is realized. BRIEF DESCRIPTION OF DRAWINGS
[0027] Figure 1 is a structural schematic view of the utility model;
[0028] Figure 2 is a structural sectional view of the utility model;
[0029] Figure 3 is a structural schematic view of the utility model in use;
[0030] Figure 4 is a structural enlarged schematic view of one embodiment at A in the utility model; Figure 2
[0031] Figure 5 is the utility model Figure 2 Another embodiment structure amplification schematic view of A place in the utility model
[0032] The figure mark indicates that:
[0033] 1, measuring shell;2, measuring screw;3, positioning piece;4, limiting piece;5, stop mechanism;51, locking screw;52, control knob;53, fixed part;54, handle;6, adjusting knob;7, fine adjustment knob;8, lip;9, coating die knife pad;X, first direction. Specific embodiments
[0034] The technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.
[0035] In the description of the present application, it should be noted that the terms used herein are only for the purpose of describing the specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. For the convenience of description, the size of each part shown in the drawings is not drawn according to the actual proportion relationship. The technology, method and equipment known to those skilled in the relevant art may not be discussed in detail, but should be regarded as part of the authorized description under appropriate circumstances. In all examples shown and discussed here, any specific value should be interpreted as only exemplary, and not as a limitation. Therefore, other examples of exemplary embodiments can have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.
[0036] Example 1:
[0037] The present embodiment provides a coating die knife pad shrinkage measuring device, comprising:
[0038] Measuring mechanism, the measuring mechanism comprises a measuring shell 1 and a measuring screw 2 located on the first direction X one end of the measuring shell 1, the measuring screw 2 can be telescopic along the first direction X to realize measurement;
[0039] Positioning piece 3, the positioning piece 3 is installed on the measuring shell 1, and is arranged in the same direction with the measuring screw 2;
[0040] Limiting piece 4, the limiting piece 4 is installed on the positioning piece 3, and is used for abutting with the outer end of the measuring screw 2;
[0041] Wherein, when the outer end of the measuring screw 2 abuts against the limiting piece 4, the measuring screw 2 is in the initial position of measurement.
[0042] In the technical solution, before the device works, the zero adjustment is performed, the limiting piece 4 is installed on the positioning piece 3, the measuring screw 2 is controlled to extend along the first direction X, and when the end of the measuring screw 2 abuts against the limiting piece 4, it indicates that the measuring screw 2 is in the initial position, and the zero adjustment is completed.
[0043] Then, the limiting piece 4 is detached from the positioning piece 3, the shrinkage of the knife pad of the coating die head is measured, the positioning piece 3 abuts against the lip 8 of the coating die head, then the measuring screw 2 is controlled to move along the first direction X, with the movement of the measuring screw 2, the end of the measuring screw 2 exceeds the positioning piece 3 and extends into the lip 8, when the measuring screw 2 abuts against the knife pad inside the lip 8, the measuring screw 2 is taken out of the lip 8, and the length of the measuring screw 2 extending out of the fixed sleeve is measured, so that the shrinkage of the knife pad 9 of the coating die head is known, and the precise measurement of the shrinkage is realized.
[0044] The positioning piece 3 can be a fixed sleeve or a fixed protrusion, which can abut against the lip 8 of the coating die head to realize the positioning function. Preferably, the positioning piece 3 is a fixed sleeve, one end of the fixed sleeve is installed on the measuring shell 1 and is sleeved on the outside of the measuring screw 2. The fixed sleeve can protect the measuring screw 2 from being deformed or damaged due to the impact of external objects.
[0045] Further, the limiting piece 4 is a limiting cap installed on the other end of the fixed sleeve. The limiting cap can block the opening of the fixed sleeve, play the zero adjustment function, and protect the inside of the fixed sleeve and the measuring screw 2 when the device is not used, so as to prevent dust from entering the fixed sleeve.
[0046] Further, the limiting cap is threadedly connected to the fixed sleeve. An external thread structure is designed at the opening end of the fixed sleeve, and an internal thread structure matched with the external thread structure is designed on the inside of the protective cap, so that the protective cap is threadedly connected and fixed on the fixed sleeve, which is convenient to disassemble and assemble and has high practicability.
[0047] Embodiment 2:
[0048] The embodiment provides a coating die head knife pad shrinkage measuring device, which comprises the technical solutions of the above-mentioned embodiments and has the following technical features.
[0049] Further, the device further comprises:
[0050] The stop mechanism 5 is installed on the positioning piece 3 and is used for locking the measuring screw 2.
[0051] In the technical solution, when the measuring device is completed, the locking mechanism 5 is used to lock the measuring screw 2, the movement of the measuring screw 2 in the first direction X is limited, the movement of the measuring screw 2 caused by the staff's mistake is prevented, and the measurement accuracy is effectively improved.
[0052] It is worth noting that the locking mechanism 5 can also be installed on the measuring shell 1 and can realize the locking and limiting of the measuring screw in the first direction X.
[0053] Embodiment 3:
[0054] The embodiment provides a coating die knife pad shrinkage measuring device, in addition to the technical solutions of the above-mentioned embodiments, further comprising the following technical features.
[0055] Further, the locking mechanism 5 comprises:
[0056] The locking screw 51 is threadedly connected to the positioning member 3, and the tail of the locking screw 51 is used to abut the measuring screw 2 along the radial direction;
[0057] The control knob 52 is installed on the head of the locking screw 51, and is used to control the rotation of the locking screw 51.
[0058] In the technical solution, the threaded connection hole is arranged in the radial direction on the positioning member 3, the locking screw 51 is threadedly connected to the threaded connection hole, the amount of thread connection between the locking screw 51 and the threaded connection hole is adjusted, the tail of the locking screw 51 can abut the measuring screw 2, and the movement of the measuring screw 2 in the first direction X is limited.
[0059] The control knob 52 is connected to the head of the locking screw 51, and a handle 54 is further designed on the control knob 52, so that the operator can control the rotation of the locking screw 51, and the control knob 52 can be integrally connected to the head of the locking screw 51, as shown in Figure 4 .
[0060] The control knob 52 can also be detachably installed on the head of the locking screw 51, as shown in Figure 5The control knob 52 is provided with a connecting hole, and the positioning member 3 is provided with a mounting groove at the threaded connecting hole. The control knob 52 is rotatably arranged in the mounting groove and is sleeved on the head of the locking screw 51 through the connecting hole. The head of the locking screw 51 is provided with a toothed protrusion, and the inner wall of the connecting hole is provided with a toothed groove. The toothed protrusion is engaged with the toothed groove to achieve the clamping connection of the control knob 52 on the head of the locking screw 51. Then, the fixing member 53 is detachably mounted on the head of the locking screw 51. The fixing member 53 abuts against the control knob 52 to limit the control knob 52 and prevent the control knob 52 from being separated from the locking screw 51. Through the structure design, the operator can drive the locking screw 51 to rotate by rotating the control knob 52, so as to adjust the threaded connection amount of the locking screw 51 on the positioning member 3 and achieve the locking and fixing of the measuring screw 2.
[0061] Embodiment 4:
[0062] The embodiment provides a device for measuring the shrinkage of a coating die knife pad. In addition to the technical solutions of the above-mentioned embodiments, the device has the following technical features.
[0063] Further, the measuring mechanism is a differential head, which is a prior art.
[0064] Further, the device further comprises:
[0065] The adjusting knob 6 is rotatably mounted on the measuring shell 1 in a circumferential direction and connected with the tail of the measuring screw 2.
[0066] The measuring screw 2 is threadedly connected with the measuring shell 1, and the adjusting knob 6 is used to control the rotation of the measuring screw 2.
[0067] In the technical solution, the adjusting knob 6 is a prior art in a differential head. The measuring screw 2 is arranged in the measuring shell 1 and threadedly connected with the measuring shell 1. The adjusting knob 6 is a cylindrical structure, which is sleeved on the measuring shell 1 and fixedly connected with the measuring screw 2. The rotation of the adjusting knob 6 drives the rotation of the measuring screw 2, so as to adjust the threaded connection amount of the measuring screw 2 with the measuring shell 1 and realize the extension or retraction of the measuring screw 2 from the measuring shell 1 in the first direction X.
[0068] Further, the device further comprises:
[0069] The fine adjustment knob 7 is mounted on the tail of the measuring screw 2 and used to control the rotation of the measuring screw 2. The fine adjustment knob 7 is a prior art in a differential head. When the head of the measuring screw 2 is in contact with the coating die knife pad 9, the rotation of the fine adjustment knob 7 can drive the further rotation of the measuring screw 2 and the adjusting knob 6, so that the measuring screw 2 slightly extends and abuts against the coating die knife pad 9, thereby making the measurement of the shrinkage more accurate.
[0070] Further, the measuring shell 1 and the adjusting knob 6 are both provided with scales. The first scale is axially arranged on the measuring shell 1. The measuring screw 2 is extended or retracted by rotating the adjusting knob 6, and the end of the adjusting knob 6 near the head of the measuring screw 2 is located on the first scale line to obtain the first scale value.
[0071] The second scale is circumferentially arranged on the end of the adjusting knob 6 near the head of the measuring screw 2. The adjusting knob 6 is designed to rotate one circle to drive the measuring screw 2 to extend or retract 0.5mm along the first direction X. The circumference of the adjusting knob 6 is divided into 50 equal parts, and the reading of each scale value on the second scale is 0.01mm. The fine adjustment knob 7 is rotated to align the first scale and the second scale on the measuring shell 1 to obtain the second scale value. The accurate measurement value can be obtained by combining the first scale value and the second scale value. The extension length of the measuring screw 2 can be accurately to 0.01mm by the above structure design, and the measurement accuracy is improved.
[0072] Through the above structure design, the size of the inner shrinkage can be directly read by observing the scale values on the measuring shell 1 and the adjusting knob 6 after the inner shrinkage measurement is completed, which is practical and convenient.
[0073] The embodiments of the present application are described above in combination with the drawings. In the case of no conflict, the embodiments and the features in the embodiments can be combined with each other. The present application is not limited to the above specific embodiments, and the above specific embodiments are only illustrative but not restrictive. Those skilled in the art can make many forms under the inspiration of the present application without departing from the scope of the present application and the protection scope of the claims.
Claims
1. A coating die knife land shrinkage measuring device characterized by, The utility model relates to a measuring mechanism, which comprises a measuring shell (1) and a measuring screw (2) located at one end of the measuring shell (1) in a first direction (X), the measuring screw (2) being telescopic in the first direction (X) to realize measurement. A positioning member (3) is installed on the measuring shell (1) and arranged in the same direction as the measuring screw (2). A limiting member (4) is installed on the positioning member (3) and used to abut against the outer end of the measuring screw (2). When the outer end of the measuring screw (2) abuts against the limiting member (4), the measuring screw (2) is in an initial position for measurement. The positioning member (3) is a fixed sleeve, one end of the fixed sleeve being installed on the measuring shell (1) and sleeved on the outside of the measuring screw (2).
2. The coating die knife gap measurement apparatus of claim 1, wherein, The limiting member (4) is a limiting cap, which is installed on the other end of the fixed sleeve.
3. The coating die knife gap measurement apparatus of claim 2, wherein, The limiting cap is threadedly connected to the fixed sleeve.
4. The coating die knife gap measurement apparatus of claim 3, wherein, Further comprising:
5. The coating die knife gap measurement apparatus of claim 1, wherein, A stop mechanism (5) is installed on the positioning member (3) and used to lock the measuring screw (2). The stop mechanism (5) comprises:
6. The coating die knife gap measurement apparatus of claim 5, wherein, A locking screw (51) is threadedly connected to the positioning member (3), the tail of the locking screw (51) being used to abut against the measuring screw (2) in the radial direction; A control knob (52) is installed on the head of the locking screw (51) and used to control the rotation of the locking screw (51). The measuring mechanism is a differential head.
7. The coating die knife gap measurement apparatus of claim 1, wherein, Further comprising:
8. The coating die knife gap measurement apparatus of claim 7, wherein, An adjusting knob (6) is circumferentially rotatably installed on the measuring shell (1) and connected to the tail of the measuring screw (2); The measuring screw (2) is threadedly connected to the measuring shell (1), and the adjusting knob (6) is used to control the rotation of the measuring screw (2). Further comprising:
9. The coating die knife gap measurement apparatus of claim 8, wherein, A fine adjustment knob (7) is installed on the tail of the measuring screw (2) and used to control the rotation of the measuring screw (2). Both the measuring shell (1) and the adjusting knob (6) are provided with scales.
10. The coating die knife gap measurement apparatus of claim 9, wherein,