Motor stator and rotor stamping module with visual detection function

By introducing visual inspection functionality into the stamping module of the motor stator and rotor, the problems of dispensing device blockage and insufficient inspection were solved, realizing automated dispensing quality control and defective product rejection, and improving the bonding quality and production efficiency of the iron core.

CN223557003UActive Publication Date: 2025-11-18青岛盛裕精密模具有限公司
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Patent Information

Application Number
CN202423082598.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2025-11-18
Estimated Expiration
2034-12-13

AI Technical Summary

Technical Problem

In existing technologies, dispensing devices are prone to clogging or contamination, and lack glue dot detection, resulting in uneven glue dispensing on the iron core, which affects the bonding strength and magnetic properties.

Method used

Design a motor stator and rotor stamping module with visual inspection function, including a dispensing station, an inspection station and a blanking station. Use a camera for visual inspection to reject defective products. The dispensing tray can be easily replaced through a pallet assembly to avoid moving the whole device.

Benefits of technology

It enables automatic detection and rejection of defective products during glue dispensing, improves the uniformity of glue dispensing and the bonding strength of the iron core, and enhances production efficiency and product quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a motor stator and rotor stamping die set with a visual inspection function, which comprises a lower die set and an upper die set, and the top of the lower die set is provided with a transmission channel which extends along a first direction and is used for transmitting a material belt. The upper module is arranged opposite to the lower module in the second direction. The upper die set and the lower die set are correspondingly provided with stamping stations used for stamping the material belt downwards relative to the lower die set in the second direction through the upper die set. The stamping station comprises a rotor stamping part and a stator stamping part which are continuously arranged, and each of the rotor stamping part and the stator stamping part comprises a plurality of stamping sub-stations, a dispensing station, a detection station and a blanking station which are sequentially arranged in the conveying direction. And the plurality of stamping substations are used for stamping the material strip into a required shape. And the dispensing station is used for dispensing the stator and the rotor. And the detection station is used for carrying out visual detection treatment on the stator and the rotor subjected to glue dispensing, so that the quality requirement is met after glue dispensing, and defective products are reduced. And the blanking station is used for stacking and transferring stators and rotors.
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Description

TECHNICAL FIELD

[0001] The utility model relates to motor stator rotor core manufacturing technical field, concretely relates to a motor stator rotor stamping die group with visual inspection function. BACKGROUND

[0002] Motor stator rotor core includes motor stator core and motor rotor core, and it is by silicon steel sheet (punching sheet) superposition. Silicon steel sheet usually adopts stamping die group and is stamped into scattered sheet on punch, to avoid through tooling and artificial arrangement and is stacked, in prior art, scattered sheet is stacked and fixed by using adhesive fixing mode, and the specific implementation method is to set up point gluing station on stamping progressive die, point gluing station is provided with point gluing device, point gluing device includes a plurality of glue supply nozzles, when material belt passes through point gluing station, glue is coated on one side of material belt through glue supply nozzle;When blanking, core punching sheet enters into the tightening ring, and the upper and lower two core punching sheets are fixed together by glue.

[0003] But the point gluing layer technology in the prior art still has the following deficiencies: first, the glue inlet channel and nozzle (point gluing output port) on the point gluing device are easy to be blocked or contaminated during use, and when cleaning after being blocked or contaminated, the device needs to be moved as a whole, which makes maintenance more troublesome and affects the efficiency of stamping production. Second, when the core is point glued, there is no detection device for glue points, and if the nozzle part is blocked or the glue supply is insufficient, it is easy to cause uneven point gluing of the core, resulting in poor adhesion of the core, affecting the assembly and use of the core, and to some extent, affecting the magnetic properties of the core. UTILITY MODEL CONTENTS

[0004] In order to overcome the above-mentioned shortcomings, the purpose of the utility model is to provide a motor stator rotor stamping die group with visual inspection function to solve the problem of lacking a detection device for glue points in the background technology.

[0005] In order to achieve the above purpose, the utility model adopts the technical scheme of a motor stator rotor stamping die group with visual inspection function, which comprises:

[0006] The lower die set is provided with a transmission channel extending in the first direction at the top for transmitting the material belt.

[0007] The upper die set is arranged opposite to the lower die set in the second direction. The upper die set and the lower die set are provided with stamping stations corresponding to each other, for stamping the material belt downward relative to the lower die set along the second direction through the upper die set, and stamping the material belt into the required stator rotor through the stamping station.

[0008] The stamping station comprises a rotor stamping part and a stator stamping part arranged continuously,

[0009] The rotor stamping part and the stator stamping part each comprise a plurality of stamping sub-stations, dispensing stations, detection stations and blanking stations arranged in sequence along a conveying direction.

[0010] The plurality of stamping sub-stations are used to stamp the material belt into a desired shape.

[0011] The dispensing stations are used for dispensing processing of the stator and rotor.

[0012] The detection stations are used for visual detection processing of the stator and rotor after dispensing.

[0013] The blanking stations are used for stacking and transferring the stator and rotor.

[0014] Preferably, the dispensing station comprises a dispensing disc and a plurality of glue capsules. The lower die set is provided with a mounting groove extending along a third direction at the dispensing station, the dispensing disc is arranged in the mounting groove and comprises a plurality of glue nozzles extending along a second direction. The plurality of glue capsules are arranged below the dispensing disc and correspond to the plurality of glue nozzles. The dispensing disc is located below the conveying channel, the output port of each glue nozzle is arranged corresponding to the lower surface of the stator and rotor, for dispensing positioning of the stator and rotor, and the first direction, the second direction and the third direction are perpendicular to each other.

[0015] Preferably, the dispensing station further comprises a support plate assembly arranged in the mounting groove and comprising a fixed plate and a movable plate. The bottom of the fixed plate and one end along the third direction are connected with the inner wall of the mounting groove. The top end of the fixed plate is provided with a stepped portion, and the movable plate is carried on the stepped portion. The dispensing disc is arranged on the top of the movable plate, for moving into or out of the mounting groove relative to the fixed plate along the third direction.

[0016] Preferably, the support plate assembly further comprises a glue disc surrounding plate. The glue disc surrounding plate is arranged around the dispensing disc and is provided with a plurality of mounting through holes extending along the second direction at intervals, and the fixed plate is provided with bolt positioning holes corresponding to the mounting through holes, for fixing the glue disc surrounding plate to the fixed plate by bolts.

[0017] Preferably, the detection station comprises a camera and a slot photoelectric switch. The top of the camera is provided with a ring-shaped light source and is arranged corresponding to below the material belt, for photographing the material belt upward. The camera is in communication connection with an external host computer, for transmitting photo information to the host computer. The slot photoelectric switch is in communication connection with the camera, for detecting that the upper die set and the lower die set are combined, triggering the camera to take a photo.

[0018] Preferably, the bottom of the upper die set is sequentially provided with a convex fixing plate, a stripper plate seat and a stripper plate in the second direction for fixing the material belt during stamping.

[0019] Preferably, the motor stator and rotor stamping die set further comprises a rejection station, which is arranged between the detection station and the blanking station and comprises a blanking sub-station comprising a driving cylinder and a punch. The driving cylinder is arranged above the convex fixing plate, and the punch extends in the second direction and is connected to the telescopic end of the driving cylinder. The convex fixing plate, the stripper plate seat and the stripper plate are provided with a stamping channel corresponding to the punch, and the lower die set is provided with a discharge channel corresponding to the stamping channel, so as to drive the punch to stamp downward along the stamping channel by the driving cylinder and discharge the waste from the discharge channel.

[0020] Preferably, the rejection station further comprises a plurality of hollow sub-stations arranged between the detection station and the blanking sub-station. The hollow sub-station is provided with a pair of photoelectric sensors and is communicatively connected to an upper computer, so as to count the stations passed by the waste and control the driving cylinder to drive the punch to cut.

[0021] Preferably, each stamping sub-station comprises an upper stamping die and a lower stamping die. The upper stamping die is fixed to the bottom of the upper die set and is arranged as a convex die. The lower stamping die is fixed to the top of the lower die set and is arranged as a concave die. The required shape is stamped by the cooperation of the upper stamping die and the lower stamping die, and the convex die is withdrawn through the stripper plate.

[0022] Preferably, the motor stator and rotor stamping die set further comprises a dispenser, which is communicatively connected to the upper die set and the lower die set and is in communication with a glue capsule pipeline. When the upper die set stamps, a cam signal is generated and transmitted to the dispenser, the dispenser starts dispensing glue, the glue enters the glue capsule through the pipeline and then enters the glue nozzle to dispense.

[0023] The motor stator and rotor stamping die set with visual detection function has the following beneficial effects compared with the prior art: by arranging the supporting plate assembly at the dispensing position, the device does not need to be moved as a whole when the dispensing disc is processed, and only needs to be slid to move the plate, so that the dispensing disc can be moved into or out of the mounting groove. By arranging the detection station, the camera takes a picture, and if there is a dispensing omission or incomplete stamping, the situation is recorded in the upper computer software and is rejected in the subsequent rejection station, so that the situation does not flow into the normal product for use. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and all other drawings obtained by those skilled in the art without creative labor based on the embodiments of the present application shall fall within the scope of the present application.

[0025] Figure 1 A perspective view of one embodiment of the motor stator and rotor stamping die set with visual detection function of the present application Figure 1 , wherein the upper die set and the lower die set are in a closed die state (the upper die set is only partially shown);

[0026] Figure 2 A perspective view of one embodiment of the motor stator and rotor stamping die set with visual detection function of the present application Figure 2 ;

[0027] Figure 3 A structure schematic view of the dispensing station of one embodiment of the motor stator and rotor stamping die set with visual detection function of the present application

[0028] In the drawings:

[0029] 1, lower die set; 10, transmission channel; 2, stamping sub-station; 3, dispensing station; 30, mounting groove; 31, dispensing disc; 32, supporting plate assembly; 33, fixed plate; 330, step portion; 34, moving plate; 35, glue disc fence; 350, mounting through hole; 40, camera; 50, blanking sub-station; 51, driving cylinder; 52, stamping channel; 53, discharge channel; 60, convex fixed plate; 61, stripper plate seat; 62, stripper plate; 63, concave fixed plate; 64, avoiding through hole; 7, material belt. DETAILED DESCRIPTION

[0030] The technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor shall fall within the scope of the present application.

[0031] Reference Figures 1 to 3 , Figure 1 A perspective view of one embodiment of the motor stator and rotor stamping die set with visual detection function of the present application is shown Figure 1 , wherein the upper die set and the lower die set 1 are in a closed die state (the upper die set is only partially shown); Figure 2This invention illustrates a three-dimensional representation of a motor stator and rotor stamping module with visual inspection function, provided by an embodiment of the present invention. Figure 2 ; Figure 3 This invention provides a schematic diagram of the dispensing station 3 in a motor stator and rotor stamping module with visual inspection function.

[0032] like Figures 1 to 3 As shown, the technical solution provided by this utility model is a motor stator and rotor stamping module with visual inspection function, including a lower module 1 and an upper module, wherein the top of the lower module 1 is provided with a first direction ( Figure 1 The transmission channel 10, extending in the X direction (as shown), is used to transmit the material strip 7. The upper module extends along the second direction (as shown in the X direction). Figure 1 (As shown in the Z-direction) and positioned opposite the lower module 1. The upper and lower modules 1 are each equipped with a stamping station for stamping the material strip 7 downwards relative to the lower module 1 along the second direction. The stamping station punches the material strip 7 into the desired stator and rotor. The stamping station includes a continuously arranged rotor stamping section and a stator stamping section. Both the rotor and stator stamping sections include multiple stamping sub-stations 2, a dispensing station 3, an inspection station, and a blanking station (not shown in the figure) arranged sequentially along the transmission direction. The multiple stamping sub-stations 2 are used to stamp the material strip 7 into the desired shape. The dispensing station 3 is used to dispense adhesive onto the stator and rotor. The inspection station is used to perform visual inspection on the dispensed stator and rotor. The blanking station is used for stacking and transferring the stator and rotor.

[0033] This application provides a motor stator and rotor stamping module with visual inspection function. Through multiple stamping substations 2, dispensing stations 3, inspection stations and blanking stations, it realizes continuous stamping and processing of material strip 7. The inspection station performs visual inspection on the stator and rotor after dispensing to ensure that the quality requirements are met after dispensing and reduce the generation of defective products.

[0034] In some embodiments, reference Figures 1 to 3 The dispensing station 3 includes a dispensing tray 31 and multiple storage capsules. The lower module 1 has a third-direction ( ) at the dispensing station 3. Figure 1 A mounting groove 30 (as shown in the Y direction) extends from the mounting groove 30. A dispensing disc 31 is disposed within the mounting groove 30 and includes multiple dispensing nozzles extending along a second direction. Multiple reservoirs are disposed below the dispensing disc 31 and are correspondingly arranged with the multiple dispensing nozzles. The dispensing disc 31 is located below the transmission channel 10, and the output port of each dispensing nozzle is correspondingly arranged with the lower surface of the stator and rotor for positioning dispensing of adhesive to the stator and rotor. The first direction, the second direction, and the third direction are perpendicular to each other.

[0035] In some embodiments, reference Figures 1 to 3The dispensing station 3 further comprises a supporting plate assembly 32 arranged in the mounting groove 30 and comprising a fixed plate 33 and a moving plate 34. The bottom of the fixed plate 33 and one end along the third direction are connected with the inner wall of the mounting groove 30. The top end of the fixed plate 33 is provided with a stepped portion 330, and the moving plate 34 is carried on the stepped portion 330. The dispensing disc 31 is arranged on the top of the moving plate 34 and is used to move into or out of the mounting groove 30 along the third direction relative to the fixed plate 33.

[0036] In some embodiments, referring to Figures 1 to 3 The supporting plate assembly 32 further comprises a dispensing disc surrounding plate 35. The dispensing disc surrounding plate 35 is arranged around the dispensing disc 31 and is provided with a plurality of mounting through holes 350 extending along the second direction at intervals. The fixed plate 33 is provided with bolt positioning holes corresponding to the mounting through holes 350, which are used to fix the dispensing disc surrounding plate 35 to the fixed plate 33 by bolts.

[0037] In some embodiments, referring to Figures 1 to 3 The detection station comprises a camera 40 and a slot photoelectric switch. The top of the camera 40 is provided with a ring-shaped light source and is arranged below the material belt 7 correspondingly, which is used to take a photo of the material belt 7 upward. The camera 40 is in communication connection with an external host computer, which is used to transmit photo information to the host computer. The slot photoelectric switch is in communication connection with the camera 40, which is used to trigger the camera 40 to take a photo when the upper die set and the lower die set 1 are combined.

[0038] Exemplarily, the camera 40 is in communication connection with the host computer. The camera 40 is triggered to take a photo once every time the upper die set and the lower die set 1 are combined. If there is a missing dispensing or incomplete dispensing, the situation is recorded in the visual host computer software. The mold is externally connected with a display screen, which is in communication connection with the host computer and displays the product dynamic in the mold at all times. The types of defective products are saved and classified. The ring-shaped light source arranged on the upper part of the camera 40 can ensure that the camera 40 can normally take an image.

[0039] The detection process of the host computer is as follows: first, a correct dispensing product template is created in the host computer software. After image acquisition by the camera 40, the image is uploaded to the host computer. The acquired image is grayscaled, the image is converted into RGB three primary colors, and the image is cached and processed. Then, the picture is repositioned and aligned with the template through edge detection, and the color difference of the image is compared to determine whether the dispensing situation meets the requirements of the normal product. If the dispensing situation does not meet the requirements of the normal product, the defective product is classified and counted, and the situation is displayed through the external display screen.

[0040] In some embodiments, referring to Figures 1 to 3The bottom of the upper die set is sequentially provided with a convex fixed plate 60, a stripper plate base 61 and a stripper plate 62 in the second direction, for fixing the material belt 7 during stamping. The top of the lower die set 1 is provided with a concave fixed plate 63, and the transmission channel 10 is arranged on the top of the concave fixed plate 63. The concave fixed plate 63 comprises a plurality of avoiding through holes 64, which are arranged correspondingly to the dispensing disc 31 and the camera 40.

[0041] In some embodiments, referring to Figures 1 to 3 , the motor stator-rotor stamping die set further comprises a rejection station, which is arranged between the detection station and the blanking station and comprises a blanking sub-station 50 comprising a driving cylinder 51 and a punch. The driving cylinder 51 is arranged above the convex fixed plate 60, and the punch extends in the second direction and is connected to the telescopic end of the driving cylinder 51. The convex fixed plate 60, the stripper plate base 61 and the stripper plate 62 are provided with a stamping channel 52 corresponding to the punch, and the lower die set 1 is provided with a discharge channel 53 corresponding to the stamping channel 52, for driving the punch to stamp downward along the stamping channel 52 by the driving cylinder 51 to discharge the waste from the discharge channel 53.

[0042] Exemplarily, the empty sub-station is provided with a pair of photoelectric sensors and is communicatively connected to the upper computer, for counting the stations passed by the waste and controlling the punch to cut by the driving cylinder 51 according to the station information, i.e. the waste moves to the blanking station.

[0043] In some embodiments, referring to Figures 1 to 3 , the rejection station further comprises a plurality of empty sub-stations, which are arranged between the detection station and the blanking sub-station 50. The empty sub-stations are provided with a pair of photoelectric sensors and are communicatively connected to the upper computer, for counting the stations passed by the waste to control the driving cylinder 51 to drive the punch to cut.

[0044] In some embodiments, referring to Figures 1 to 3 , each stamping sub-station 2 comprises an upper stamping die and a lower stamping die. The upper stamping die is fixed to the bottom of the upper die set and is arranged as a convex die. The lower stamping die is fixed to the top of the lower die set 1 and is arranged as a concave die. The required shape is stamped by the cooperation of the upper stamping die and the lower stamping die, and the convex die is withdrawn by the stripper plate 62.

[0045] In some embodiments, referring to Figures 1 to 3 , the motor stator-rotor stamping die set further comprises a dispensing machine, which is communicatively connected to the upper die set and the lower die set 1 and is in communication with a glue capsule storage pipeline. When the upper die set stamps, a cam signal is generated and transmitted to the dispensing machine, the dispensing machine starts dispensing glue, the glue enters the glue capsule storage through the pipeline and then enters the glue nozzle to dispense.

[0046] Exemplarily, when the punch presses, the dispensing machine receives a cam signal from the punching die set, the dispensing machine hits glue into the storage capsule through the pipeline, the storage capsule enters the glue nozzle, the glue nozzle discharges glue from the upper opening, the punching is the contact between the material belt 7 and the glue on the glue nozzle after the material belt 7 is pressed down, the material belt 7 has glue after the contact, and then enters the blanking station, the first fixed rotor and the second fixed rotor in the blanking station are contacted and then are bonded together, until the height of the required product is reached, and the product is output.

[0047] The above merely describes the embodiments of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process conversion using the content of the present application specification and drawings, or direct or indirect application in other related technical fields, should be within the protection range of the present application.

Claims

1. A stamping die set for motor stator and rotor with visual inspection function, characterized in that, The utility model relates to a kind of stamping device, including: Lower die set, top is provided with transmission channel extending along first direction, for transmission material belt; Upper die set, along second direction with the lower die set opposite arrangement;The upper die set and the lower die set are correspondingly provided with stamping station, for by upper die set along second direction relative to lower die set downward stamping material belt, by stamping station, material belt is stamped out required stator and rotor; The stamping station includes continuously arranged rotor stamping part and stator stamping part, The rotor stamping part and the stator stamping part all include a plurality of stamping sub-station, glue dispensing station, detection station and blanking station arranged in turn along transmission direction; The plurality of stamping sub-station is used for stamping the material belt out required shape; The glue dispensing station is used for dispensing stator and rotor; The detection station is used for visual detection processing to the stator and rotor completed dispensing; The blanking station is used for stacking and transferring stator and rotor.

2. The motor stator-rotor stamping die set of claim 1, wherein, Glue dispensing station includes glue dispensing disc and multiple glue capsules;The lower die set is provided with mounting groove extending along third direction at glue dispensing station, and the glue dispensing disc is arranged in the mounting groove and includes multiple glue nozzles extending along the second direction;Multiple glue capsules are arranged below the glue dispensing disc and correspond to multiple glue nozzles;The glue dispensing disc is located below the transmission channel, and the outlet of each glue nozzle is correspondingly arranged with the lower surface of the stator and rotor for dispensing the stator and rotor, and the first direction, the second direction and the third direction are perpendicular to each other.

3. The motor stator-rotor stamping die set of claim 2, wherein, The glue dispensing station further includes a support plate assembly, and the support plate assembly is arranged in the mounting groove and includes a fixed plate and a movable plate;The bottom of the fixed plate and one end along the third direction are connected with the inner wall of the mounting groove;The top end of the fixed plate is provided with a step portion, and the movable plate is carried on the step portion;The glue dispensing disc is arranged on the top of the movable plate and is used to move into or out of the mounting groove relative to the fixed plate along the third direction.

4. The motor stator-rotor stamping die set of claim 3, wherein, The support plate assembly further includes a glue disc surrounding plate, and the glue disc surrounding plate is arranged around the glue dispensing disc and is provided with multiple mounting through holes extending along the second direction at intervals, and the fixed plate is provided with bolt positioning holes corresponding to the mounting through holes for fixing the glue disc surrounding plate to the fixed plate by bolts.

5. The motor stator-rotor stamping die set of claim 2, wherein, The detection station includes a camera and a slot photoelectric switch, and the top of the camera is provided with an annular light source and is correspondingly arranged below the material belt for photographing the material belt upward;The camera is communicatively connected with an external host computer for transmitting photo information to the host computer;The slot photoelectric switch is communicatively connected with the camera for triggering the camera to take a picture when the upper die set and the lower die set are combined.

6. The motor stator-rotor stamping die set of claim 5, wherein, The bottom of the upper die set is sequentially provided with a convex fixed plate, a stripper plate seat and a stripper plate along the second direction for fixing the material belt during stamping;The top of the lower die set is provided with a concave fixed plate, and the transmission channel is arranged on the top of the concave fixed plate, and the concave fixed plate includes multiple avoiding through holes corresponding to the glue dispensing disc and the camera.

7. The motor stator-rotor stamping die set of claim 6, wherein, The rejection station further comprises a blanking sub-station, which is arranged between the detection station and the blanking station, and comprises a driving cylinder and a punch; the driving cylinder is arranged above the convex plate, the punch extends in the second direction, and the top end is connected with the telescopic end of the driving cylinder; the convex plate, the stripper plate seat and the stripper plate are provided with a punching channel corresponding to the punch, and the lower die set is provided with a discharge channel corresponding to the punching channel, so as to drive the punch to punch downward along the punching channel by the driving cylinder, and to punch out the waste from the discharge channel.

8. The motor stator-rotor stamping die set of claim 7, wherein, The rejection station further comprises a plurality of hollow sub-stations arranged between the detection station and the blanking sub-station; the hollow sub-stations are provided with a pair of photoelectric sensors and are communicatively connected with an upper computer, so as to count the working stations passed by the waste, and to control the driving cylinder to drive the punch to cut.

9. The motor stator-rotor stamping die set of claim 6, wherein, Each of the punching sub-stations comprises an upper punching die and a lower punching die; the upper punching die is fixed to the bottom of the upper die set and is arranged as a convex die; the lower punching die is fixed to the top of the lower die set and is arranged as a concave die; the required shape is punched out by the cooperation of the upper punching die and the lower punching die, and the convex die is withdrawn by the stripper plate.

10. The motor stator-rotor stamping die set of claim 2, wherein, The point glue machine is communicatively connected with the upper die set and the lower die set, and is in communication with the glue capsule pipeline, so as to generate a cam signal when the upper die set punches, and to transmit the cam signal to the point glue machine; the point glue machine starts to glue, the glue enters the glue capsule through the pipeline, and then enters the glue nozzle to glue.