Freeze-dried powder screening device

Abstract

The utility model relates to the technical field of freeze-dried powder production, in particular to a freeze-dried powder screening device. Comprising a supporting frame, a screen, a reset spring, an electric push rod and a cleaning mechanism, the cleaning mechanism comprises a guide rail, a pushing assembly, a sliding base, a mounting support, a driving motor, a driving shaft and a cleaning rolling brush, the driving motor is mounted on the mounting support, the driving shaft is arranged at the output end of the driving motor, and the cleaning rolling brush is arranged outside the driving shaft. A driving motor is started to drive a driving shaft to rotate, so that the bottom of the powder screening net is cleaned through a rotating cleaning rolling brush, in the cleaning process, a pushing assembly is started, the output end of the pushing assembly is connected with a sliding seat, so that the sliding seat is driven to slide on a guide rail, and then the position of a mounting bracket is adjusted; and the cleaning range of the cleaning rolling brush is expanded, so that the bottom of the screen is comprehensively cleaned, and the screen is prevented from being blocked.

Description

Technical Field

[0001] The utility model relates to the technical field of freeze-dried powder production, in particular to a freeze-dried powder screening device. Background Art

[0002] During the production process of freeze-dried powder, the freeze-dried powder needs to be screened to filter out the larger lumps inside it to facilitate subsequent work.

[0003] However, the conventional freeze-dried powder screening device is not provided with a cleaning mechanism, and the freeze-dried powder attached to the bottom of the screen cannot be cleaned, resulting in the risk of clogging of the screen. Utility Model Content

[0004] The utility model aims to provide a freeze-dried powder screening device, aiming to solve the technical problem that the traditional freeze-dried powder screening device is not provided with a cleaning mechanism, and the freeze-dried powder attached to the bottom of the screen cannot be cleaned, resulting in the risk of clogging of the screen.

[0005] To achieve the above-mentioned purpose, the utility model provides a freeze-dried powder screening device, comprising a support frame, a screen, a return spring, an electric push rod and a cleaning mechanism, wherein a screening area is arranged on the upper surface of the support frame, the screen is slidably arranged inside the screening area, the return spring is arranged at the end of the screen, the end of the return spring away from the screen is detachably connected to the inner end wall of the screening area, the support frame is also provided with the electric push rod, the electric push rod is located at the end of the support frame away from the return spring, and the output end of the electric push rod abuts against the outer side wall of the screen;

[0006] The cleaning mechanism includes a guide rail, a pushing assembly, a sliding seat, a mounting bracket, a driving motor, a driving shaft and a cleaning roller brush. The guide rail is detachably connected to the support frame and is located on one side of the support frame. The sliding seat is slidably arranged on the guide rail, the pushing assembly is arranged inside the guide rail, the output end of the pushing assembly is connected to the sliding seat, the mounting bracket is mounted on the sliding seat, the driving motor is mounted on the mounting bracket, the driving shaft is arranged at the output end of the driving motor, the cleaning roller brush is arranged outside the driving shaft, and the cleaning roller brush is located at the bottom of the screen and fits with the bottom of the screen.

[0007] Among them, the pushing assembly includes a servo motor, a threaded rod and a ball screw nut pair, the servo motor is installed inside the guide rail, the output end of the servo motor is provided with the threaded rod, the ball screw nut pair is provided on the threaded rod, and the ball screw nut pair is connected to the sliding seat.

[0008] Wherein, the mounting bracket includes a connecting plate, a connecting arm and a fixing plate, the connecting plate is arranged at one end of the connecting arm, the fixing plate is arranged at the other end of the connecting arm, the connecting plate is connected to the sliding seat, and the driving motor is installed on the fixing plate.

[0009] Wherein, sliding feet are arranged on both sides of the sliding seat, sliding grooves are arranged on both sides of the guide rail, and each of the sliding feet is slidably connected to one of the sliding grooves.

[0010] Among them, the freeze-dried powder screening device also includes an auxiliary support member, and the auxiliary support member is provided at one end of the threaded rod away from the ball screw nut pair, one end of the auxiliary support member is connected to the guide rail, and the other end of the auxiliary support member is sleeved on the outside of the threaded rod.

[0011] Among them, the auxiliary support member includes a fixed block, a support block and a support ring, one end of the support block is fixedly connected to the fixed block, the other end of the support block is provided with the support ring, the support ring is sleeved on the outside of the threaded rod, and the fixed block is detachably connected to the guide rail.

[0012] The utility model provides a freeze-dried powder screening device. After the screening is completed, the driving motor is started to drive the driving shaft to rotate, so that the bottom of the powder screening net is cleaned by the rotating cleaning roller brush, and during the cleaning process, the pushing component is started. Since the output end of the pushing component is connected to the sliding seat, the sliding seat is driven to slide on the guide rail, thereby completing the adjustment of the position of the mounting bracket, expanding the cleaning range of the cleaning roller brush, thereby completing the comprehensive cleaning of the bottom of the screen, and avoiding the blockage of the screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a structural schematic diagram of a freeze-dried powder screening device according to the first embodiment of the utility model.

[0015] Figure 2 It is a structural schematic diagram of the bottom of the support frame in the first embodiment of the utility model.

[0016] Figure 3 The utility model provides Figure 2 A magnified view of the local structure at A.

[0017] Figure 4 It is a structural schematic diagram of a freeze-dried powder screening device according to the second embodiment of the utility model.

[0018] Figure 5 The utility model provides Figure 4 A magnified view of the local structure at B.

[0019] 101-support frame, 102-screen, 103-reset spring, 104-electric push rod, 105-guide rail, 106-pushing assembly, 107-sliding seat, 108-mounting bracket, 109-driving motor, 110-driving shaft, 111-cleaning roller brush, 112-servo motor, 113-threaded rod, 114-ball screw nut pair, 115-connecting plate, 116-connecting arm, 117-fixed plate, 118-screening area, 119-sliding foot, 120-slide, 201-auxiliary support, 202-fixed block, 203-support block, 204-support ring. DETAILED DESCRIPTION

[0020] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0021] First embodiment:

[0022] See also Figures 1 to 3 ,in Figure 1 is a schematic structural diagram of the freeze-dried powder screening device of the first embodiment, Figure 2 is a schematic structural diagram of the bottom of the support frame in the first embodiment, Figure 3 yes Figure 2 A magnified view of the local structure at A.

[0023] The utility model provides a freeze-dried powder screening device: including a support frame 101, a screen 102, a return spring 103, an electric push rod 104 and a cleaning mechanism, wherein the cleaning mechanism includes a guide rail 105, a pushing assembly 106, a sliding seat 107, a mounting bracket 108, a drive motor 109, a drive shaft 110 and a cleaning roller brush 111, wherein the pushing assembly 106 includes a servo motor 112, a threaded rod 113 and a ball screw nut pair 114, and the mounting bracket 108 includes a connecting plate 115, a connecting arm 116 and a fixing plate 117. The above-mentioned solution solves the problem that the conventional freeze-dried powder screening device is not provided with a cleaning mechanism, and the freeze-dried powder attached to the bottom of the screen 102 cannot be cleaned, resulting in the risk of clogging of the screen 102. It can be understood that the above-mentioned solution can be used in the structure of the screening device for freeze-dried powder production.

[0024] According to this specific embodiment, a screening area 118 is provided on the upper surface of the support frame 101, and the screen 102 is slidably provided inside the screening area 118. The end of the screen 102 is provided with the return spring 103, and the end of the return spring 103 away from the screen 102 is detachably connected to the inner end wall of the screening area 118. The support frame 101 is also provided with the electric push rod 104, and the electric push rod 104 is located at the end of the support frame 101 away from the return spring 103, and the output end of the electric push rod 104 abuts against the outer side wall of the screen 102. The electric push rod 104 is started to apply force to the screen 102, and under the action of the restoring force of the return spring 103, the screen 102 is driven to shake inside the support, thereby screening the freeze-dried powder and screening out the larger lumps inside it, which is convenient for subsequent work.

[0025] The guide rail 105 is detachably connected to the support frame 101 and is located on one side of the support frame 101. The guide rail 105 is slidably provided with the sliding seat 107. The guide rail 105 is provided with the pushing assembly 106 inside. The output end of the pushing assembly 106 is connected to the sliding seat 107. The sliding seat 107 is provided with the mounting bracket 108. The driving motor 109 is installed on the mounting bracket 108. The output end of the driving motor 109 is provided with the driving shaft 110. The cleaning roller brush 111 is provided on the outside of the driving shaft 110. The cleaning roller brush 111 is located at the bottom of the screen 102 and is connected to the screen 102. The bottom of the sieve 102 is fitted together. When the screening is completed, the drive motor 109 is started to drive the drive shaft 110 to rotate, so that the bottom of the powder screening net is cleaned by the rotating cleaning roller brush 111, and during the cleaning process, the pushing component 106 is started. Since the output end of the pushing component 106 is connected to the sliding seat 107, the sliding seat 107 is driven to slide on the guide rail 105, thereby completing the adjustment of the position of the mounting bracket 108, expanding the cleaning range of the cleaning roller brush 111, thereby completing the comprehensive cleaning of the bottom of the sieve 102 and avoiding blockage of the sieve 102.

[0026] Secondly, the servo motor 112 is installed inside the guide rail 105, and the threaded rod 113 is provided at the output end of the servo motor 112. The ball screw nut pair 114 is provided on the threaded rod 113, and the ball screw nut pair 114 is connected to the sliding seat 107. When the servo motor 112 is started, the threaded rod 113 is driven to rotate. Since the ball screw nut pair 114 is connected to the sliding seat 107, the sliding seat 107 is driven to slide on the guide rail 105.

[0027] At the same time, the connecting plate 115 is provided at one end of the connecting arm 116, and the fixing plate 117 is provided at the other end of the connecting arm 116. The connecting plate 115 is connected to the sliding seat 107, and the driving motor 109 is installed on the fixing plate 117. The connecting plate 115 and the fixing plate 117 are both fixedly connected to the connecting arm 116. When preparing the mounting bracket 108, it is made by adopting an integrated molding technology, and the structure is more solid.

[0028] In addition, sliding feet 119 are provided on both sides of the sliding seat 107, and sliding grooves 120 are provided on both sides of the guide rail 105. Each of the sliding feet 119 is slidably connected to one of the sliding grooves 120. Through the setting of the sliding feet 119 and the sliding grooves 120, the sliding seat 107 slides on the guide rail 105.

[0029] When using a freeze-dried powder screening device of the present embodiment, the electric push rod 104 is started to apply force to the screen 102, and under the action of the restoring force of the reset spring 103, the screen 102 is driven to shake inside the support member, thereby screening the freeze-dried powder and screening out the larger lumps inside it, which is convenient for subsequent work. After the screening is completed, the drive motor 109 is started to drive the drive shaft 110 to rotate, so that the bottom of the powder screening net is cleaned by the rotating cleaning roller brush 111. In the cleaning process, the pushing component 106 is started. Since the output end of the pushing component 106 is connected to the sliding seat 107, the sliding seat 107 is driven to slide on the guide rail 105, thereby completing the adjustment of the position of the mounting bracket 108, expanding the cleaning range of the cleaning roller brush 111, thereby completing the comprehensive cleaning of the bottom of the screen 102 to avoid blockage of the screen 102.

[0030] Second embodiment:

[0031] Based on the first embodiment, please refer to Figure 4 and Figure 5 , Figure 4 is a schematic structural diagram of a freeze-dried powder screening device according to a second embodiment, Figure 5 for Figure 4 A magnified view of the local structure at B.

[0032] The utility model provides a freeze-dried powder screening device which further includes an auxiliary support member 201 . The auxiliary support member 201 includes a fixing block 202 , a support block 203 and a support ring 204 .

[0033] According to this specific embodiment, the auxiliary support member 201 is provided at one end of the threaded rod 113 away from the ball screw nut pair 114, one end of the auxiliary support member 201 is connected to the guide rail 105, and the other end of the auxiliary support member 201 is sleeved on the outside of the threaded rod 113. The threaded rod 113 is auxiliary supported by the auxiliary support member 201, so that the structure of the threaded rod 113 is more stable when it rotates.

[0034] Among them, one end of the support block 203 is fixedly connected to the fixed block 202, and the other end of the support block 203 is provided with the support ring 204. After the support ring 204 is sleeved on the outside of the threaded rod 113, the fixed block 202 is installed inside the guide rail 105 by screws, thereby completing the installation of the auxiliary support member 201.

[0035] When using a freeze-dried powder screening device of this embodiment, after the support ring 204 is sleeved on the outside of the threaded rod 113, the fixing block 202 is installed inside the guide rail 105 using screws, thereby completing the installation of the auxiliary support member 201. The threaded rod 113 is auxiliary supported by the auxiliary support member 201, so that the threaded rod 113 has a more stable structure when rotating.

[0036] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope covered by the utility model.

Claims

1. A freeze-dried powder screening device, comprising a support frame, a screen, a return spring and an electric push rod, wherein a screening section is arranged on the upper surface of the support frame, the screen is slidably arranged inside the screening section, the return spring is arranged at the end of the screen, the end of the return spring away from the screen is detachably connected to the inner end wall of the screening section, the support frame is also provided with the electric push rod, the electric push rod is located at the end of the support frame away from the return spring, the output end of the electric push rod abuts against the outer side wall of the screen, and is characterized in that It also includes cleaning agencies; The cleaning mechanism includes a guide rail, a pushing assembly, a sliding seat, a mounting bracket, a driving motor, a driving shaft and a cleaning roller brush. The guide rail is detachably connected to the support frame and is located on one side of the support frame. The sliding seat is slidably arranged on the guide rail, the pushing assembly is arranged inside the guide rail, the output end of the pushing assembly is connected to the sliding seat, the mounting bracket is mounted on the sliding seat, the driving motor is mounted on the mounting bracket, the driving shaft is arranged at the output end of the driving motor, the cleaning roller brush is arranged outside the driving shaft, and the cleaning roller brush is located at the bottom of the screen and fits with the bottom of the screen.

2. The freeze-dried powder screening device according to claim 1, characterized in that: The pushing assembly includes a servo motor, a threaded rod and a ball screw nut pair. The servo motor is installed inside the guide rail. The output end of the servo motor is provided with the threaded rod. The ball screw nut pair is provided on the threaded rod. The ball screw nut pair is connected to the sliding seat.

3. The freeze-dried powder screening device according to claim 1, characterized in that: The mounting bracket includes a connecting plate, a connecting arm and a fixing plate, wherein the connecting plate is disposed at one end of the connecting arm and the fixing plate is disposed at the other end of the connecting arm, the connecting plate is connected to the sliding seat, and the driving motor is mounted on the fixing plate.

4. The freeze-dried powder screening device according to claim 1, characterized in that: Sliding feet are arranged on both sides of the sliding seat, sliding grooves are arranged on both sides of the guide rail, and each of the sliding feet is slidably connected to one of the sliding grooves.

5. The freeze-dried powder screening device according to claim 2, characterized in that: The freeze-dried powder screening device also includes an auxiliary support member, which is provided at one end of the threaded rod away from the ball screw nut pair, one end of the auxiliary support member is connected to the guide rail, and the other end of the auxiliary support member is sleeved on the outside of the threaded rod.

6. The freeze-dried powder screening device according to claim 5, characterized in that: The auxiliary support member includes a fixed block, a support block and a support ring. One end of the support block is fixedly connected to the fixed block, and the other end of the support block is provided with the support ring. The support ring is sleeved on the outside of the threaded rod, and the fixed block is detachably connected to the guide rail.

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