Hammer and sieve gap adjusting mechanism of hammer mill

Abstract

The utility model relates to the technical field of ultrafine pulverizers, in particular to a hammer and sieve gap adjusting mechanism of a hammer pulverizer, which comprises a pulverizing box, a hammer sieve, a mounting frame, a self-locking motor, a rotating shaft, a gear, a rack column, a rotating seat, a feeding component, a pulverizing component and a clamping component, the rack column is fixedly connected with the hammer sieve, and the feeding component is arranged above the pulverizing box; the crushing assembly is arranged on the inner side wall of the crushing box, the clamping assembly is arranged above the mounting frame, materials are put into the crushing box through the feeding assembly, a self-locking motor is started, a rotating shaft rotates, a rotating seat supports the rotating shaft to rotate, at the moment, a gear drives a rack column to slide in a corresponding rack hole, the distance between a hammer screen and the crushing assembly is adjusted, and the crushing effect is improved. And then the clamping assembly is used for fixing the gear to prevent the gear from rotating, the size of the crushed particles is controlled in this way, crushing of different requirements is achieved, and the fatigue strength of workers is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of ultrafine pulverizers, in particular to a hammer-screen gap adjustment mechanism of a hammer-type pulverizer. Background Art

[0002] Ultrafine pulverizer is a device that uses air separation, heavy pressure grinding and shearing to achieve ultrafine grinding of dry materials. It consists of a cylindrical grinding chamber, grinding wheel, grinding rail, fan, material collection system, etc. The material enters the cylindrical grinding chamber through the feeding port and is crushed by the grinding wheel that moves in a circular motion along the grinding rail. The crushed material is carried out of the grinding chamber by the negative pressure airflow caused by the fan and enters the material collection system. It is filtered by the filter bag, the air is discharged, and the material and dust are collected to complete the crushing.

[0003] The existing crusher has a long working time, and the hammer will wear out, which will cause the gap between the hammer and the screen to become larger, resulting in the size of the crushed particles cannot be adjusted and cannot meet different crushing requirements. Utility Model Content

[0004] The utility model aims to provide a hammer-screen gap adjustment mechanism for a hammer-type crusher, aiming to solve the problem that the existing crusher has a long working time, the hammer will wear, thereby causing the hammer-screen gap to become larger, resulting in the size of the crushed particles cannot be adjusted, and different crushing requirements cannot be met.

[0005] To achieve the above-mentioned purpose, the utility model provides a hammer-screen gap adjustment mechanism for a hammer-type crusher, comprising a crushing box, a hammer screen, a mounting frame, a self-locking motor, a rotating shaft, a gear, a rack column, a rotating seat, a feeding assembly, a crushing assembly and a clamping assembly, wherein the hammer screen is slidably connected to the crushing box and is located on the inner side wall of the crushing box, the mounting frame is fixedly connected to the crushing box and is located on the inner side wall of the crushing box, the self-locking motor is detachably connected to the mounting frame and is located above the mounting frame, the mounting frame has a rack hole, the rack hole is slidably matched with the rack column, the rotating seat is fixedly connected to the mounting frame The mounting frame is fixedly connected and located above the mounting frame, one end of the rotating shaft is fixedly connected to the self-locking motor and located at the output end of the self-locking motor, the other end of the rotating shaft is fixedly connected to the rotating seat and located at the inner side wall of the rotating seat, the gear is fixedly connected to the rotating shaft and located in the middle of the rotating shaft, and the gear is meshed with the rack column, the rack column is fixedly connected to the hammer screen and located below the hammer screen, the feeding assembly is arranged above the crushing box, the crushing assembly is arranged on the inner side wall of the crushing box, and the clamping assembly is arranged above the mounting frame.

[0006] Wherein, the feeding assembly includes a connecting pipe, a connecting bin and a valve, the connecting pipe is connected to the crushing box and is located above the crushing box, the connecting bin is connected to the connecting pipe and is located above the connecting pipe, and the valve is connected to the connecting pipe and is located in the middle of the connecting pipe.

[0007] Wherein, the pulverizing assembly includes a controller, a pulverizing rod, a hammer, a connecting rod, a support plate and a driving motor, the support plate is fixedly connected to the pulverizing box and is located on the outer side wall of the pulverizing box, the driving motor is detachably connected to the support plate and is located above the support plate, one end of the pulverizing rod is rotationally connected to the pulverizing box and is located on the inner side wall of the pulverizing box, the other end of the pulverizing rod is fixedly connected to the driving motor and is located at the output end of the driving motor, and the pulverizing rod passes through the pulverizing box, the connecting rod is fixedly connected to the pulverizing rod and is located on the outer side wall of the pulverizing rod, the hammer is fixedly connected to the connecting rod and is located at the end of the connecting rod away from the pulverizing rod, the controller is fixedly connected to the pulverizing box and is located on the outer side wall of the pulverizing box, and the controller is electrically connected to the driving motor and the self-locking motor.

[0008] Among them, the clamping assembly includes a frosting plate, a U-shaped frame and an electric telescopic rod, the U-shaped frame is fixedly connected to the mounting frame and is located above the mounting frame, the electric telescopic rod is fixedly connected to the U-shaped frame and is located on the inner wall of the U-shaped frame, and the frosting plate is fixedly connected to the electric telescopic rod and is located at the output end of the electric telescopic rod.

[0009] Wherein, the hammer-screen gap adjustment mechanism of the hammer mill also includes a fixing component, and the fixing component is arranged below the crushing box.

[0010] Among them, the fixing assembly includes a support column, a mounting plate and a reinforcing rib, the support column is fixedly connected to the crushing box and is located below the crushing box, the mounting plate is fixedly connected to the support column and is located below the support column, one end of the reinforcing rib is fixedly connected to the mounting plate and is located above the mounting plate, and the other end of the reinforcing rib is fixedly connected to the support column and is located on the outer wall of the support column.

[0011] The utility model discloses a hammer screen gap adjustment mechanism of a hammer mill, which utilizes the feeding assembly to put materials into the crushing box, starts the self-locking motor to rotate the rotating shaft, and the rotating seat supports the rotating shaft to rotate. At this time, the gear drives the rack column to slide in the corresponding rack hole to adjust the distance between the hammer screen and the crushing assembly, and then utilizes the clamping assembly to fix the gear to prevent the gear from rotating. In this way, the crushed particle size is controlled, crushing with different requirements is achieved, and the fatigue intensity of the staff is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0013] Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model.

[0014] Figure 2 It is an overall bottom view of the first embodiment of the utility model.

[0015] Figure 3 The utility model Figure 2 AA line section view.

[0016] Figure 4 It is an overall right side view of the first embodiment of the utility model.

[0017] Figure 5 The utility model Figure 4 BB line cross-sectional view.

[0018] Figure 6 The utility model Figure 4 CC line section view.

[0019] Figure 7 The utility model Figure 6 Enlarged view of the local structure at D.

[0020] Figure 8 It is an overall structural diagram of the second embodiment of the utility model.

[0021] 101-crushing box, 102-hammer screen, 103-mounting frame, 104-self-locking motor, 105-rotating shaft, 106-gear, 107-rack column, 108-rotating seat, 109-feeding assembly, 110-crushing assembly, 111-clamping assembly, 112-connecting pipe, 113-connecting bin, 114-valve, 115-controller, 116-crushing rod, 117-hammer, 118-connecting rod, 119-support plate, 120-drive motor, 121-grinding plate, 122-U-shaped frame, 123-electric telescopic rod, 124-rack hole, 201-fixing assembly, 202-support column, 203-mounting plate, 204-reinforcement rib. DETAILED DESCRIPTION

[0022] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0023] First embodiment:

[0024] See also Figures 1 to 7 ,in, Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model. Figure 2 It is an overall bottom view of the first embodiment of the utility model. Figure 3 The utility model Figure 2 AA line section view, Figure 4 It is the overall right side view of the first embodiment of the utility model. Figure 5 The utility model Figure 4 BB line cross-sectional view, Figure 6 The utility model Figure 4 The CC line section view, Figure 7 The utility model Figure 6 Enlarged view of the local structure at D.

[0025] The utility model provides a hammer-screen gap adjustment mechanism of a hammer mill, comprising a crushing box 101, a hammer screen 102, a mounting frame 103, a self-locking motor 104, a rotating shaft 105, a gear 106, a rack column 107, a rotating seat 108, a feeding assembly 109, a crushing assembly 110 and a clamping assembly 111, wherein the feeding assembly 109 comprises a connecting pipe 112, a connecting bin 113 and a valve 114, the crushing assembly 110 comprises a controller 115, a crushing rod 116, a hammer 117, a connecting rod 118, a support plate 119 and a driving motor 120, the clamping assembly 111 comprises a grinding plate 121, a U-shaped frame 122 and an electric telescopic rod 123, and the mounting frame 103 has a rack hole 124.

[0026] According to the present specific embodiment, the hammer screen 102 is slidably connected to the crushing box 101 and is located on the inner side wall of the crushing box 101. The mounting frame 103 is fixedly connected to the crushing box 101 and is located on the inner side wall of the crushing box 101. The self-locking motor 104 is detachably connected to the mounting frame 103 and is located above the mounting frame 103. The mounting frame 103 has a rack hole 124, and the rack hole 124 is slidably matched with the rack column 107. The rotating seat 108 is fixedly connected to the mounting frame 103 and is located above the mounting frame 103. One end of the rotating shaft 105 is fixedly connected to the self-locking motor 104 and is located at the output end of the self-locking motor 104. The other end of the rotating shaft 105 is fixedly connected to the rotating seat 108 and is located at the inner side wall of the rotating seat 108. The gear 106 is fixedly connected to the rotating shaft 105 and is located in the middle of the rotating shaft 105. The rack column 107 is meshed, and the rack column 107 is fixedly connected to the hammer screen 102 and is located below the hammer screen 102. The feeding assembly 109 is arranged above the crushing box 101, and the crushing assembly 110 is arranged on the inner wall of the crushing box 101. The clamping assembly 111 is arranged above the mounting frame 103. The material is put into the crushing box 101 by using the feeding assembly 109, and the self-locking motor 104 is started to rotate the rotating shaft 105. The rotating seat 108 supports the rotating shaft 105 to rotate. At this time, the gear 106 drives the rack column 107 to slide in the corresponding rack hole 124, and the distance between the hammer screen 102 and the crushing assembly 110 is adjusted. Then, the clamping assembly 111 is used to fix the gear 106 to prevent the gear 106 from rotating. In this way, the size of the crushed particles can be controlled, crushing with different requirements can be achieved, and the fatigue intensity of the staff can be reduced.

[0027] Among them, the connecting pipe 112 is connected to the crushing box 101 and is located above the crushing box 101, the connecting bin 113 is connected to the connecting pipe 112 and is located above the connecting pipe 112, and the valve 114 is connected to the connecting pipe 112 and is located in the middle of the connecting pipe 112. When the valve 114 is opened, the raw materials pass through the connecting bin 113 and the connecting pipe 112 in turn and fall into the crushing box 101, which facilitates the operation of the crushing box 101.

[0028] Secondly, the support plate 119 is fixedly connected to the crushing box 101 and is located on the outer side wall of the crushing box 101. The drive motor 120 is detachably connected to the support plate 119 and is located above the support plate 119. One end of the crushing rod 116 is connected to the rotation of the crushing box 101 and is located on the inner side wall of the crushing box 101. The other end of the crushing rod 116 is fixedly connected to the drive motor 120 and is located at the output end of the drive motor 120. The crushing rod 116 passes through the crushing box 101. The connecting rod 118 is fixedly connected to the crushing rod 116 and is located on the outer side wall of the crushing rod 116. The hammer 117 is fixedly connected to the connecting rod 118 and is located at one end of the connecting rod 118 away from the crushing rod 116. The controller 115 is fixedly connected to the crushing box 101 and is located on the outer wall of the crushing box 101. The controller 115 is electrically connected to the drive motor 120 and the self-locking motor 104. After programming with PLC, click the controller 115 to start the drive motor 120 above the support plate 119, so that the crushing rod 116 drives the hammer 117 at one end of the connecting rod 118 to crush the raw materials, which is convenient for the staff to control the drive motor 120 and the self-locking motor 104.

[0029] At the same time, the U-shaped frame 122 is fixedly connected to the mounting frame 103 and is located above the mounting frame 103. The electric telescopic rod 123 is fixedly connected to the U-shaped frame 122 and is located on the inner wall of the U-shaped frame 122. The grinding plate 121 is fixedly connected to the electric telescopic rod 123 and is located at the output end of the electric telescopic rod 123. The electric telescopic rod 123 is opened and the grinding plate 121 is moved until it contacts the gear 106, so as to clamp the gear 106 and prevent the self-locking motor 104 from rotating, thereby ensuring that the hammer screen 102 is fixed in the crushing box 101 and reducing unnecessary maintenance costs.

[0030] When the hammer screen gap adjustment mechanism of the hammer mill of the utility model is used, the valve 114 is opened, and the raw materials are sequentially passed through the connecting bin 113 and the connecting pipe 112, and then fall into the crushing box 101, and the self-locking motor 104 is started to rotate the rotating shaft 105, and the rotating seat 108 supports the rotating shaft 105 to rotate. At this time, the gear 106 drives the rack column 107 to slide in the corresponding rack hole 124, and the distance between the hammer screen 102 and the hammer 117 is adjusted. After programming using the PLC, click the controller 115 , start the driving motor 120 above the supporting plate 119, so that the crushing rod 116 drives the hammer 117 at one end of the connecting rod 118 to crush the raw materials. When the adjustment is stopped, open the electric telescopic rod 123 and move the grinding plate 121 until it contacts the gear 106, so as to clamp the gear 106 and prevent the self-locking motor 104 from rotating, so as to ensure that the hammer screen 102 is fixed in the crushing box 101. In this way, the crushing particle size can be controlled, crushing with different requirements can be achieved, and the fatigue intensity of the staff can be reduced.

[0031] Second embodiment:

[0032] Based on the first embodiment, please refer to Figure 8 , Figure 8 It is an overall structural diagram of the second embodiment of the utility model.

[0033] The utility model provides a hammer-screen gap adjustment mechanism of a hammer mill, which also includes a fixing assembly 201 . The fixing assembly 201 includes a supporting column 202 , a mounting plate 203 and a reinforcing rib 204 .

[0034] According to this specific embodiment, the fixing assembly 201 is disposed below the crushing box 101. The fixing assembly 201 is added to prevent the crushing box 101 from being displaced during operation, which can effectively reduce the workload of the staff.

[0035] Among them, the support column 202 is fixedly connected to the crushing box 101 and is located below the crushing box 101, the mounting plate 203 is fixedly connected to the support column 202 and is located below the support column 202, one end of the reinforcing rib 204 is fixedly connected to the mounting plate 203 and is located above the mounting plate 203, and the other end of the reinforcing rib 204 is fixedly connected to the support column 202 and is located on the outer wall of the support column 202. With the cooperation of the support column 202 and the mounting plate 203, the crushing box 101 is prevented from being displaced during operation, which can effectively reduce the workload of the staff. The reinforcing rib 204 can improve the connectivity between the mounting plate 203 and the support column 202, and avoid root breakage during use.

[0036] When using the hammer-screen gap adjustment mechanism of a hammer mill of the utility model, the support column 202 and the mounting plate 203 cooperate to avoid displacement of the crushing box 101 during operation, which can effectively reduce the workload of the staff. The reinforcing rib 204 can improve the connectivity between the mounting plate 203 and the support column 202 to avoid root breakage during use.

[0037] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A hammer-screen gap adjustment mechanism for a hammer mill, characterized in that: The invention comprises a crushing box, a hammer screen, a mounting frame, a self-locking motor, a rotating shaft, a gear, a rack column, a rotating seat, a feeding assembly, a crushing assembly and a clamping assembly. The hammer screen is slidably connected to the crushing box and is located on the inner side wall of the crushing box. The mounting frame is fixedly connected to the crushing box and is located on the inner side wall of the crushing box. The self-locking motor is detachably connected to the mounting frame and is located above the mounting frame. The mounting frame has a rack hole, and the rack hole is slidably matched with the rack column. The rotating seat is fixedly connected to the mounting frame and is located above the mounting frame. One end of the rotating shaft is fixedly connected to the self-locking motor and is located at the output end of the self-locking motor, the other end of the rotating shaft is fixedly connected to the rotating seat and is located at the inner side wall of the rotating seat, the gear is fixedly connected to the rotating shaft and is located in the middle of the rotating shaft, and the gear is meshed with the rack column, the rack column is fixedly connected to the hammer screen and is located below the hammer screen, the feeding assembly is arranged above the crushing box, the crushing assembly is arranged on the inner side wall of the crushing box, and the clamping assembly is arranged above the mounting frame.

2. The hammer-screen gap adjustment mechanism of a hammer mill according to claim 1, characterized in that: The feeding assembly includes a connecting pipe, a connecting bin and a valve. The connecting pipe is connected to the crushing box and is located above the crushing box. The connecting bin is connected to the connecting pipe and is located above the connecting pipe. The valve is connected to the connecting pipe and is located in the middle of the connecting pipe.

3. The hammer-screen gap adjustment mechanism of a hammer mill according to claim 2, characterized in that: The crushing assembly includes a controller, a crushing rod, a hammer, a connecting rod, a support plate and a driving motor, the support plate is fixedly connected to the crushing box and is located on the outer side wall of the crushing box, the driving motor is detachably connected to the support plate and is located above the support plate, one end of the crushing rod is rotationally connected to the crushing box and is located on the inner side wall of the crushing box, the other end of the crushing rod is fixedly connected to the driving motor and is located at the output end of the driving motor, and the crushing rod passes through the crushing box, the connecting rod is fixedly connected to the crushing rod and is located on the outer side wall of the crushing rod, the hammer is fixedly connected to the connecting rod and is located at the end of the connecting rod away from the crushing rod, the controller is fixedly connected to the crushing box and is located on the outer side wall of the crushing box, and the controller is electrically connected to the driving motor and the self-locking motor.

4. The hammer-screen gap adjustment mechanism of a hammer mill according to claim 3, characterized in that: The clamping assembly includes a frosting plate, a U-shaped frame and an electric telescopic rod. The U-shaped frame is fixedly connected to the mounting frame and is located above the mounting frame. The electric telescopic rod is fixedly connected to the U-shaped frame and is located on the inner wall of the U-shaped frame. The frosting plate is fixedly connected to the electric telescopic rod and is located at the output end of the electric telescopic rod.

5. The hammer-screen gap adjustment mechanism of a hammer mill according to claim 4, characterized in that: The hammer-screen gap adjustment mechanism of the hammer mill also includes a fixing component, and the fixing component is arranged below the crushing box.

6. The hammer-screen gap adjustment mechanism of a hammer mill according to claim 5, characterized in that: The fixing assembly includes a support column, a mounting plate and a reinforcing rib, the support column is fixedly connected to the crushing box and is located below the crushing box, the mounting plate is fixedly connected to the support column and is located below the support column, one end of the reinforcing rib is fixedly connected to the mounting plate and is located above the mounting plate, and the other end of the reinforcing rib is fixedly connected to the support column and is located on the outer side wall of the support column.

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