Automatic locking and separating structure for roller and transmission shaft of pot-replaceable coating machine

By introducing a combination structure of active disc, passive disc and locking shaft into the replaceable pot coating machine, the problem of misalignment between the drive shaft and the coating pot body on the axis is solved, and a stable connection and power transmission between the drive shaft and the coating pot body are achieved.

CN224107577UActive Publication Date: 2026-04-10NANO PHARM TECH MACHINERY EQUIP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-16
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

The existing replaceable coating machine uses only two positioning pins to position the coating pan and the transmission plate, which is prone to misalignment on the axis, leading to malfunctions.

Method used

Design an automatic locking and separation structure for the roller and drive shaft of a replaceable coating machine. The structure uses a combination of an active disc, a passive disc, and a locking shaft. Automatic locking and separation are achieved by matching the semi-circular opening with the locking shaft, ensuring a stable connection between the drive shaft and the coating pan.

Benefits of technology

It effectively avoids the misalignment of the drive shaft and the coating pan body on the axis, ensuring the stability and reliability of power transmission, and is suitable for coating machines that require material to be turned over for discharge.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an automatic locking and separating structure for a roller and a transmission shaft of a pot-replaceable coating machine, and relates to the technical field of coating machine equipment. According to the utility model, the problem that the coating pan is easy to deviate on the axis under the condition of misoperation because the coating pan and the driving disc of the conventional coating machine with the replaceable pan are connected only by adopting two positioning pins for positioning is solved. A driving disc and a driven disc are coaxially arranged, the driving disc is connected with a motor transmission shaft, the driven disc is connected with a coating pan body, two installation grooves are formed in the side face of the driving disc in the radial direction, a semicircular opening is formed in the end face of one side of each installation groove, and two vertically-arranged locking shafts are arranged on the end face of the side, close to the driving disc, of the driven disc. The two locking shafts are located in the two mounting grooves of the driving disc correspondingly, and the locking shafts are matched with the semicircular openings of the driving disc. The connecting device is used for connecting the transmission shaft and the coating pan body, and can be automatically locked after being positioned, so that axial deviation is effectively avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a coating machine equipment technical field, concretely relates to a replaceable pot coating machine cylinder and transmission shaft automatic locking separation structure. BACKGROUND

[0002] The replaceable pot coating machine is a kind of efficient, flexible, easy-to-operate coating equipment, mainly used to meet the coating needs of different materials, and is widely used in pharmaceutical, food, biological, chemical and other industries.The pot body of the replaceable pot coating machine is designed to be detachable, which can quickly replace different specifications of pot body to adapt to the coating needs of different materials, different batch output and different size and shape materials.When working, the particles or materials to be wrapped are first placed in the pot body in the coating machine, and the pot body rotates and overturns under heating, so that the materials move uniformly in the pot, and the hot air circulation ensures that the material temperature is suitable for coating adhesion.Then, the prepared coating liquid is uniformly sprayed on the overturned materials by the spraying device, and the coating is quickly dried under high temperature to form a uniform coating.After the coating is sprayed, the materials continue to overturn in the pot, so that the coating is dried and fully combined with the base material, and finally the coated products are sent out through the discharge port.However, the existing replaceable pot coating machine coating pot and transmission disc are only positioned by two positioning pins to realize connection with the transmission disc, which can easily cause the coating pot to deviate on the axis under the condition of misoperation. SUMMARY

[0003] The utility model aims at solving the problems that the existing replaceable pot coating machine coating pot and transmission disc are only positioned by two positioning pins to realize connection with the transmission disc, which can easily cause the coating pot to deviate on the axis under the condition of misoperation, and further provides a replaceable pot coating machine cylinder and transmission shaft automatic locking separation structure.

[0004] The technical scheme of the utility model is:

[0005] A replaceable pot coating machine cylinder and transmission shaft automatic locking separation structure, the locking separation structure includes driving disc 1, passive disc 2 and two locking shafts 3, driving disc 1 and passive disc 2 are coaxially arranged, driving disc 1 is connected with motor transmission shaft, passive disc 2 is connected with coating pot body, the side surface of driving disc 1 is provided with two installation grooves 101 along the radial direction respectively, the side end face of each installation groove 101 is provided with semicircular port 102, the side end face of passive disc 2 close to driving disc 1 is provided with two locking shafts 3 arranged vertically, the two locking shafts 3 are located at the two installation grooves 101 of driving disc 1 respectively, and the locking shaft 3 is matched with the semicircular port 102 of driving disc 1.

[0006] Further, the driving disc 1 includes driving disc body 1-1 and shaft sleeve 1-2, and the shaft sleeve 1-2 is coaxially arranged on the side end face center of the driving disc body 1-1 away from the passive disc 2.

[0007] Further, the shaft sleeve 1-2 is provided with a flat key groove on the side of the inner hole in the radial direction, and a motor transmission shaft is nested in the inner hole of the shaft sleeve 1-2, and the shaft sleeve 1-2 is connected with the motor transmission shaft through a flat key.

[0008] Further, the driving disc body 1-1 is provided with two installation grooves 101 penetrating the two end faces of the driving disc in the radial direction, and the semicircular openings 102 on the two installation grooves 101 are arranged in a central symmetry.

[0009] Further, the semicircular openings 102 on the side of the installation groove 101 are provided with chamfers at both ends, and the chamfers are circular arcs or inclined surfaces.

[0010] Further, the locking shaft 3 comprises a locking shaft body 3-1 and an end cap 3-2, the diameter of the locking shaft body 3-1 is consistent with the diameter of the semicircular opening 102, the height of the locking shaft body 3-1 is consistent with the thickness of the driving disc body 1-1, the end cap 3-2 is arranged at the end of the locking shaft body 3-1, and the diameter of the semicircular opening 102 is smaller than the diameter of the end cap 3-2.

[0011] Further, the other side end face of each installation groove 101 on the driving disc 1 is provided with a vertical face 103 in the middle, and the vertical face 103 is located on the opposite side of the semicircular opening 102.

[0012] Further, the vertical face 103 is provided with chamfers at both ends, and the chamfers are circular arcs.

[0013] Further, the locking and separating structure further comprises two positioning shafts 4, and the side end face of the passive disc 2 close to the driving disc 1 is provided with two positioning shafts 4, the two positioning shafts 4 are arranged in a central symmetry, and the two positioning shafts 4 are matched with the two vertical faces 103 respectively.

[0014] Further, the passive disc 2 is provided with a plurality of pot body connecting counterbores 201 arranged uniformly in the axial direction, and the passive disc 2 is connected with the reserved threaded holes on the coating pot body through a plurality of pot body connecting bolts.

[0015] Compared with the prior art, the utility model has the following effects:

[0016] The utility model discloses a replaceable pot coating machine roller and transmission shaft automatic locking separation structure for connecting transmission shaft and coating pot body, can be locked after positioning, effectively avoid appearing axial deviation. When passive disc 2 and driving disc 1 are connected with each other, both can slide on the axis freely without rotating, once driving disc 1 rotates counterclockwise, semicircular mouth 102 on driving disc 1 will be connected with locking shaft 3, and the big end of locking shaft 3 shaft end can effectively prevent driving disc 1 and passive disc 2 from separating on the axis, when driving disc 1 rotates clockwise, semicircular mouth 102 on driving disc 1 will be separated from locking shaft 3, and the vertical side on the opposite side of semicircular mouth 102 on driving disc 1 will contact with positioning shaft 4, guaranteeing that power can be effectively transmitted to passive disc 2 when turning over, at this moment, driving disc 1 and passive disc 2 can be separated freely. The structure is very suitable for the coating machine of replaceable pot type needing to turn over and discharge. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a replaceable pot coating machine roller and transmission shaft automatic locking separation structure of the utility model under the structure schematic diagram of turning over state;

[0018] Figure 2 It is a replaceable pot coating machine roller and transmission shaft automatic locking separation structure of the utility model under the structure schematic diagram of positive rotation locking state.

[0019] In the drawing: 1, driving disc;1-1, driving disc body;1-2, shaft sleeve;101, mounting groove;102, semicircular mouth;103, vertical surface;2, passive disc;201, pot body connecting counterbore;3, locking shaft;3-1, locking shaft body;3-2, end cap;4, positioning shaft. DETAILED DESCRIPTION

[0020] Specific implementation one: combine Figure 1 And Figure 2 The utility model discloses a replaceable pot coating machine roller and transmission shaft automatic locking separation structure for connecting transmission shaft and coating pot body, can be locked after positioning, effectively avoid appearing axial deviation. When passive disc 2 and driving disc 1 are connected with each other, both can slide on the axis freely without rotating, once driving disc 1 rotates counterclockwise, semicircular mouth 102 on driving disc 1 will be connected with locking shaft 3, and the big end of locking shaft 3 shaft end can effectively prevent driving disc 1 and passive disc 2 from separating on the axis, when driving disc 1 rotates clockwise, semicircular mouth 102 on driving disc 1 will be separated from locking shaft 3, and the vertical side on the opposite side of semicircular mouth 102 on driving disc 1 will contact with positioning shaft 4, guaranteeing that power can be effectively transmitted to passive disc 2 when turning over, at this moment, driving disc 1 and passive disc 2 can be separated freely. The structure is very suitable for the coating machine of replaceable pot type needing to turn over and discharge. The utility model discloses a replaceable pot coating machine roller and transmission shaft automatic locking separation structure, which is suitable for the coating machine of replaceable pot type needing to turn over and discharge.

[0021] Specific implementation two: combine Figure 1 And Figure 2The active disc 1 of the embodiment comprises an active disc body 1-1 and a shaft sleeve 1-2. The shaft sleeve 1-2 is coaxially arranged on the side of the active disc body 1-1 away from the center of the side end face of the passive disc 2. The other components and connection relationships are the same as those in the first embodiment.

[0022] The third embodiment is combined with Figure 1 and Figure 2 The shaft sleeve 1-2 of the embodiment is provided with a flat key groove on the side of the inner hole in the radial direction. The motor transmission shaft is nested in the inner hole of the shaft sleeve 1-2. The active disc 1 is connected with the motor transmission shaft through the hole with the key in the middle. The other components and connection relationships are the same as those in the first or second embodiment.

[0023] The fourth embodiment is combined with Figure 1 and Figure 2 The active disc body 1-1 of the embodiment is provided with two mounting grooves 101 penetrating through the two end faces of the active disc in the radial direction. The two semicircular openings 102 on the two mounting grooves 101 are arranged in a central symmetry. When the active disc 1 rotates counterclockwise, the two semicircular openings 102 on the active disc 1 can be connected with the two locking shafts 3 at the same time. When the active disc 1 rotates clockwise, the two semicircular openings 102 on the active disc 1 can be in contact with the two opposite vertical edges at the same time. The other components and connection relationships are the same as those in the first, second or third embodiment.

[0024] The fifth embodiment is combined with Figure 1 and Figure 2 The semicircular opening 102 on the side of the mounting groove 101 of the embodiment is provided with a chamfer at both ends. The chamfer is a circular arc or an inclined surface. The other components and connection relationships are the same as those in the first, second, third or fourth embodiment.

[0025] The sixth embodiment is combined with Figure 1 and Figure 2 The locking shaft 3 of the embodiment comprises a locking shaft body 3-1 and an end cap 3-2. The diameter of the locking shaft body 3-1 is consistent with the diameter of the semicircular opening 102. The height of the locking shaft body 3-1 is consistent with the thickness of the active disc body 1-1. The end cap 3-2 is arranged at the end of the locking shaft body 3-1. The diameter of the semicircular opening 102 is smaller than the diameter of the end cap 3-2. When the active disc 1 rotates counterclockwise, the semicircular opening 102 on the active disc 1 will be connected with the locking shaft 3. The large end of the shaft end of the locking shaft 3 can effectively prevent the active disc 1 and the passive disc 2 from being separated on the axis. The other components and connection relationships are the same as those in the first, second, third, fourth or fifth embodiment.

[0026] The seventh embodiment is combined with Figure 1 andFigure 2 The present embodiment is described, the vertical surface 103 of the present embodiment is provided with chamfer at both ends, and the chamfer is circular arc. Other components and connection relationships are the same as those in Embodiments One, Two, Three, Four, Five, Six, or Seven.

[0027] Embodiment Eight: Combination Figure 1 and Figure 2 The present embodiment is described, the vertical surface 103 of the present embodiment is provided with chamfer at both ends, and the chamfer is circular arc. Other components and connection relationships are the same as those in Embodiments One, Two, Three, Four, Five, Six, or Seven.

[0028] Embodiment Nine: Combination Figure 1 and Figure 2 The present embodiment is described, the locking and separating structure of the present embodiment further comprises two positioning shafts 4, and the side end face of the driven disc 2 close to the driving disc 1 is provided with two positioning shafts 4, the two positioning shafts 4 are arranged in a central symmetry, and the two positioning shafts 4 are matched with the two vertical surfaces 103 respectively. In this way, when the driving disc 1 rotates clockwise, the semicircular opening 102 on the driving disc 1 will be separated from the locking shaft 3, and the vertical edge provided on the side of the driving disc 1 opposite to the semicircular opening 102 will be in contact with the positioning shaft 4, so as to ensure that the power can be effectively transmitted to the driven disc 2 during the overturning, and at this time, the driving disc 1 and the driven disc 2 can be freely separated. Other components and connection relationships are the same as those in Embodiments One, Two, Three, Four, Five, Six, Seven, or Eight.

[0029] Embodiment Ten: Combination Figure 1 and Figure 2 The present embodiment is described, the driven disc 2 of the present embodiment is provided with a plurality of pot body connecting counterbores 201 arranged uniformly in the axial direction, and the driven disc 2 is connected with the reserved threaded holes on the coating pot body through a plurality of pot body connecting bolts. In this way, the driven disc 2 and the coating pot body can be detachably fixed through the plurality of pot body connecting bolts, and the pot body connecting counterbores 201 provided on the driven disc 2 can ensure that the pot body connecting bolts will not interfere with the driving disc 1 after assembly. Other components and connection relationships are the same as those in Embodiments One, Two, Three, Four, Five, Six, Seven, Eight, or Nine.

[0030] Working Principle

[0031] Combination Figure 1 and Figure 2The working principle of the automatic locking and separating structure of the replaceable pot coating machine roller and transmission shaft is as follows: the driving disc 1 is connected with the motor transmission shaft through the hole with the key in the middle, the driven disc 2 is connected with the coating pot body, and the locking shaft 3 and the positioning shaft 4 are arranged on the driven disc 2 and form an integral whole; when the driven disc 2 and the driving disc 1 are connected with each other, both of them are not rotated and can freely slide on the axis; once the driving disc 1 rotates counterclockwise, the semicircular port 102 on the driving disc 1 is connected with the locking shaft 3, and the locking shaft 3 is the large end of the shaft end, which can effectively prevent the driving disc 1 and the driven disc 2 from being separated on the axis; when the driving disc 1 rotates clockwise, the semicircular port 102 on the driving disc 1 is separated from the locking shaft 3, and the vertical side on the opposite side of the semicircular port 102 on the driving disc 1 is arranged and is in contact with the positioning shaft 4, so that the power can be effectively transmitted to the driven disc 2 when the driving disc 1 is turned over; at this time, the driving disc 1 and the driven disc 2 can be freely separated.

[0032] The above examples are only used to illustrate the technical solutions of the present application, but not to limit it; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can be modified, or some technical features can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A replaceable pan coater drum and drive shaft automatic locking and separating structure, characterized in that: The locking separation structure comprises a driving disc (1), a driven disc (2) and two locking shafts (3), the driving disc (1) and the driven disc (2) are coaxially arranged, the driving disc (1) is connected with a motor transmission shaft, the driven disc (2) is connected with a coating pot body, the side surface of the driving disc (1) is provided with two installation grooves (101) in the radial direction, the side surface of each installation groove (101) is provided with a semicircular opening (102), the side surface of the driven disc (2) close to the driving disc (1) is provided with two locking shafts (3) arranged vertically, the two locking shafts (3) are respectively located at the two installation grooves (101) of the driving disc (1), and the locking shaft (3) is matched with the semicircular opening (102) of the driving disc (1).

2. The automatic locking and separating structure of the replaceable pan coating machine roller and the transmission shaft according to claim 1, characterized in that: The driving disc (1) comprises a driving disc body (1-1) and a shaft sleeve (1-2), and the shaft sleeve (1-2) is coaxially arranged at the center of the side surface of the driving disc body (1-1) away from the driven disc (2).

3. The automatic locking and separating structure of the replaceable pan coating machine roller and the transmission shaft according to claim 2, characterized in that: The side surface of the inner hole of the shaft sleeve (1-2) is provided with a flat key groove in the radial direction, the motor transmission shaft is nested in the inner hole of the shaft sleeve (1-2), and the shaft sleeve (1-2) is connected with the motor transmission shaft through a flat key.

4. The automatic locking and separating structure of the replaceable pan coating machine roller and the transmission shaft according to claim 2 or 3, characterized in that: The side surface of the driving disc body (1-1) is provided with two installation grooves (101) penetrating the two end surfaces of the driving disc in the radial direction, and the semicircular openings (102) on the two installation grooves (101) are centrally symmetrically arranged.

5. The automatic locking and separating structure of the replaceable pan coating machine roller and the transmission shaft according to claim 4, characterized in that: The semicircular openings (102) on the side surface of the installation groove (101) are both provided with chamfers, and the chamfers are circular arcs or inclined surfaces.

6. The automatic locking and separating structure of the replaceable pan coating machine roller and the transmission shaft according to claim 5, characterized in that: The locking shaft (3) comprises a locking shaft body (3-1) and an end cap (3-2), the diameter of the locking shaft body (3-1) is consistent with the diameter of the semicircular opening (102), the height of the locking shaft body (3-1) is consistent with the thickness of the driving disc body (1-1), the end cap (3-2) is arranged at the end of the locking shaft body (3-1), and the diameter of the semicircular opening (102) is smaller than the diameter of the end cap (3-2).

7. The automatic locking and separating structure of the replaceable pan coating machine roller and the transmission shaft according to claim 6, characterized in that: The other side surface of each installation groove (101) on the driving disc (1) is provided with a vertical surface (103) in the middle, and the vertical surface (103) is located on the opposite side of the semicircular opening (102).

8. The automatic locking and separating structure of the replaceable pan coating machine roller and the transmission shaft according to claim 7, characterized in that: The vertical surface (103) is provided with chamfers at both ends, and the chamfers are circular arcs.

9. The automatic locking and separating structure of the replaceable pan coating machine roller and the transmission shaft according to claim 8, characterized in that: The locking separation structure further comprises two positioning shafts (4), the side surface of the driven disc (2) close to the driving disc (1) is provided with two positioning shafts (4), the two positioning shafts (4) are centrally symmetrically arranged, and the two positioning shafts (4) are matched with the two vertical surfaces (103) respectively.

10. The automatic locking and separating structure of the replaceable pan coating machine roller and the transmission shaft according to claim 1, characterized in that: A plurality of pot body connecting counterbores (201) are uniformly arranged on the driven disc (2) in the axial direction, and the driven disc (2) is connected with the reserved threaded holes on the coating pot body through a plurality of pot body connecting bolts.