Filter plate handle and filter plate of filter press
By using an interference fit between the plug shaft and the filter plate and a bolt fixing method, the problem of the filter plate handle not being able to be precisely aligned is solved, and a stable connection and smooth movement of the filter plate handle are achieved.
Patent Information
- Application Number
- CN202210534975.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-05-17
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2042-05-17
AI Technical Summary
Traditional filter plate handles cannot be precisely aligned during installation, leading to wobbling issues.
The filter plate is fixed by interference fit and bolts using a plug-in shaft. The plug-in shaft includes a fixing plate and a plug-in shaft. The first section of the plug-in shaft is interference fitted into the insertion hole of the filter plate, and the second section is provided with a wear-resistant block to contact the main beam. The fixing plate is connected to the filter plate by bolts.
This achieves precise alignment and installation of the filter plate handle, enhancing connection stability, preventing shaking, and ensuring smooth movement of the filter plate.
Smart Images

Figure CN114748898B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the field of filter press, and more particularly to a filter plate handle. BACKGROUND
[0002] The filter plate is the main filter element of the filter press, and the filter plate handle is installed on both sides of the filter plate. The main beams on both sides provide support for the filter plate handles on both sides of the filter plate. A plurality of filter plates are arranged and placed on the main beams. The filter plate is pulled by the filter plate puller, so that the filter plate moves along the main beam.
[0003] The traditional filter plate handle is made of two mutually perpendicular plate structures. One of the plate members is fixed on the side of the filter plate by two or three bolts. Because of the clearance of the bolt holes, the handles on both sides cannot be precisely aligned after installation, which may cause the filter plate handle to shake relative to the filter plate.
[0004] For those skilled in the art, how to ensure precise alignment and installation of the handles on both sides of the filter plate is a technical problem to be solved at present. SUMMARY
[0005] The present application provides a filter plate handle to solve the problem of inaccurate alignment and installation of the filter plate handle. The specific scheme is as follows:
[0006] A filter plate handle includes a fixed plate and a plug-in shaft arranged opposite to each other. The plug-in shaft extends from both sides of the fixed plate. The first section of the plug-in shaft can be inserted into the insertion hole of the filter plate with interference. The second section of the plug-in shaft is provided with a wear-resistant block for contacting the main beam.
[0007] The fixed plate is provided with at least two bolt holes, and is fixedly connected to the filter plate by at least two bolts.
[0008] Optionally, the plug-in shaft is a stepped shaft, and the outer diameter thereof decreases in a stepped manner from the middle to both ends.
[0009] Optionally, the plug-in shaft includes a first stepped section and a second stepped section. The second stepped section is inserted into the fixed plate with interference. The first stepped section is inserted into the filter plate with interference.
[0010] Optionally, the plug-in shaft includes a third stepped section, and the third stepped section is used to cooperate with the puller.
[0011] Optionally, the third stepped section is a cylinder or a cuboid.
[0012] Optionally, the wear-resistant block is hinged to the main section of the plug-in shaft.
[0013] Optionally, the outer periphery of the plug-in shaft is provided with at least two grooves, a stop ring is clamped in the grooves, and the stop ring is used for axially limiting the wear block.
[0014] Optionally, the fixed plate is a metal plate, and the plug-in shaft is a metal shaft.
[0015] The application also provides a filter plate for a filter press, comprising the filter plate handle.
[0016] The application provides a filter plate handle, a plug-in shaft extends from two side plate surfaces of a fixed plate, and the plug-in shaft is fixedly connected to the fixed plate, the part extending from the two side plate surfaces of the fixed plate is respectively a first segment and a second segment, the first segment of the plug-in shaft can be interference-fitted in a plug hole of a filter plate, so that precise alignment assembly with the filter plate is ensured, the second segment of the plug-in shaft is provided with a wear block, the wear block is used for contacting a main beam, and sliding support is provided by the wear block, and the fixed plate is provided with at least two bolt holes, and is fixedly connected to the filter plate through at least two bolts, so that further reinforcement is achieved, the filter plate handle of the application realizes first fixing through interference connection between the first segment of the plug-in shaft and the filter plate, realizes second fixing through bolts, and the plug-in shaft and the filter plate are kept in interference fit, so that precise alignment installation of the handles on the two sides of the filter plate is ensured. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical solutions in the embodiments of the application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description only show some embodiments of the application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.
[0018] Figure 1 is a perspective view of a specific embodiment of the filter plate handle of the application;
[0019] Figure 2 is a front view of a specific embodiment of the filter plate handle of the application;
[0020] Figure 3 is a top view of a specific embodiment of the filter plate handle of the application;
[0021] Figure 4 is a left side view of a specific embodiment of the filter plate handle of the application;
[0022] Figure 5 is a right side view of a specific embodiment of the filter plate handle of the application;
[0023] Figure 6 is a front view of a specific embodiment of the filter plate handle of the application;
[0024] Figure 7A front view of a specific embodiment of the filter plate handle mounted on a filter plate;
[0025] Figure 8 A sectional view of the plug-in shaft.
[0026] The drawings include:
[0027] Fixed plate 1, plug-in shaft 2, first stepped section 21, second stepped section 22, third stepped section 23, groove 24, main body section 25, wear-resistant block 3, retaining ring 4. Specific embodiments
[0028] The core of the present application is to provide a filter plate handle, which adopts double fixation to increase stability and waistline interference fit to achieve precise alignment.
[0029] In order to enable those skilled in the art to better understand the technical solutions of the present application, the filter plate handle of the present application will be further described in detail below in combination with the drawings and specific embodiments.
[0030] In combination Figures 1 to 5 , the present application provides a filter plate handle, which comprises a fixed plate 1 and a plug-in shaft 2 arranged opposite to each other, the fixed plate 1 and the plug-in shaft 2 remain an entirety in the use state and cannot shake or shift relative to each other; the plug-in shaft 2 extends out from both side surfaces of the fixed plate 1, forming two protruding parts, which are respectively used as a first section and a second section; the plug-in shaft 2 can be an entirety or can adopt a two-section split structure, if the two-section split structure is adopted, the two sections are respectively welded and fixed to the fixed plate 1.
[0031] Figure 2 I represents the first section, and II represents the second section, in combination Figure 7 , the plug-in shaft 2 of the present application can be inserted into a filter plate (the structure of the filter plate is shown in Figure 7 A), the first section of the plug-in shaft 2 is interference-fitted into a plug hole of the filter plate, and the second section extends away from the filter plate; the second section of the plug-in shaft 2 is provided with a wear-resistant block 3, which is used to contact a main beam (the structure of the main beam is not shown in the drawing), at least one filter plate handle of the present application is arranged on each side of a filter plate, and the filter plate handle is supported by at least two parallel main beams, thereby supporting the entire filter plate; the direction of the main beam is perpendicular to the surface direction of the filter plate, the filter plate handles extending out from the left and right sides of the filter plate are respectively supported by two main beams and contacted with the main beam by the wear-resistant block 3, and the filter plate can slide along the length direction of the main beam; multiple filter plates can be placed on the main beam at the same time.
[0032] In combination Figure 1 , Figure 7 , the fixed plate 1 is provided with at least two bolt holes, one bolt is arranged in each bolt hole, and the fixed plate 1 is fixedly connected to the filter plate by at least two bolts, Figure 7B in the figure represents a bolt; the bolt hole on the fixed plate 1 can be a light hole or a threaded hole provided with internal threads, and a corresponding threaded hole is provided on the filter plate, the bolt is extended after passing through the bolt hole of the fixed plate 1, and is in threaded connection with the threaded hole on the filter plate, so as to realize threaded fixing.
[0033] The filter plate handle provided by the application realizes interference assembly by the first segment of the plug-in shaft 2, achieves the first fixing effect, realizes threaded connection by two bolts, and achieves the second fixing effect, so that the fixed connection between the entire filter plate handle and the filter plate is more firm. In addition, the first segment of the plug-in shaft 2 is kept in interference assembly with the filter plate, precise positioning is formed by the first segment of the plug-in shaft 2, accurate alignment and installation of the handles on both sides of the filter plate are ensured, and relative shaking between the filter plate and the filter plate handle does not occur.
[0034] On the basis of the above-mentioned scheme, in combination with Figure 6 , Figure 7 , Figure 8 The plug-in shaft 2 of the application is a stepped shaft, and the outer diameter of the plug-in shaft 2 is not completely equal everywhere, that is, the outer diameter is steppedly reduced from the middle to the two ends, that is, the middle is thick and the two ends are thin. The stepped change is that the outer diameter size is suddenly changed, and the outer diameter of each stepped segment is equal, and a stepped surface with a size suddenly changed is formed at the junction of the two stepped segments. In the preferred structure of the application, the plug-in shaft 2 is a complete shaft and penetrates the fixed plate 1.
[0035] In combination with Figure 8 The plug-in shaft 2 of the application is provided with a first stepped segment 21 and a second stepped segment 22, the outer diameter of the first stepped segment 21 is smaller than that of the second stepped segment 22, the second stepped segment 22 is in interference fit with the fixed plate 1, and the first stepped segment 21 is in interference fit with the filter plate. After the second stepped segment 22 is in interference connection with the fixed plate 1, welding can be further used for reinforcement to improve the integrity.
[0036] Further, the plug-in shaft 2 of the application is provided with a third stepped segment 23, the third stepped segment 23 is used for cooperating with a plate pulling device, and the part between the third stepped segment 23 and the second stepped segment 22 is a main segment 25 of the plug-in shaft 2, the outer diameter of the main segment 25 is the largest, and the outer diameter of the main segment 25 is larger than that of the third stepped segment 23 and also larger than that of the second stepped segment 22. During production, the two plate pulling devices on the left and right sides hook the third stepped segment 23, pull the two filter plate handles, and drive the entire filter plate to move.
[0037] Since the third stepped segment 23 is used for hooking the plate pulling device, the shape of the third stepped segment 23 is not particularly limited, and the third stepped segment 23 is in the shape of a cylinder or a cuboid.
[0038] On the basis of any of the above technical solutions and the mutual combination thereof, the wear-resistant block 3 is hinged to the main section 25 of the plug-in shaft 2, the outer diameter of the main section 25 is larger, and the main section 25 has higher supporting strength and is not easy to deform. The outer surface of the main section 25 is a cylindrical surface, and the wear-resistant block 3 can be sleeved on the outer surface of the main section 25.
[0039] The plug-in shaft 2 is provided with at least two grooves 24 on the outer periphery, the groove 24 is an annular groove, is arranged around the outer periphery of the plug-in shaft 2, and the two grooves 24 are located on the main section 25. The retaining ring 4 is clamped in the groove 24, and the retaining ring 4 is used for axially limiting the wear-resistant block 3. The wear-resistant block 3 can rotate relative to the plug-in shaft 2, but cannot move in the axial direction.
[0040] Specifically, the fixing plate 1 is a metal plate, and the plug-in shaft 2 is a metal shaft, both of which are respectively manufactured by fine machining to ensure dimensional accuracy. Compared with the traditional structure manufactured by injection molding, the structure has higher structural strength.
[0041] The application further provides a filter plate of a filter press, which comprises the filter plate handle, and each filter plate of the filter press comprises at least two filter plate handles which are respectively arranged on opposite sides, so that the filter plate of the filter press can achieve the above technical effects.
[0042] The above description of disclosed embodiments enables those skilled in the art to carry out or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A filter plate handle characterized by, The filter plate handle comprises a fixed plate (1) and a plug-in shaft (2), the plug-in shaft (2) extends from two side surfaces of the fixed plate (1), a first section of the plug-in shaft (2) is inserted into a filter plate hole in an interference fit, and a wear-resistant block (3) is arranged on a second section of the plug-in shaft (2) and used for contacting a main beam; The fixed plate (1) is provided with at least two bolt holes and is fixedly connected to the filter plate by at least two bolts; The plug-in shaft (2) is a stepped shaft, and the outer diameter thereof is steppedly reduced from the middle to the two ends; The plug-in shaft (2) comprises a first stepped section (21) and a second stepped section (22), the second stepped section (22) is inserted into the filter plate in an interference fit, and the first stepped section (21) is inserted into the filter plate in an interference fit; The plug-in shaft (2) comprises a third stepped section (23), and the third stepped section (23) is used for cooperating with a pull plate device; A part between the third stepped section (23) and the second stepped section (22) is a main section (25) of the plug-in shaft (2), the outer diameter of the main section (25) is the largest, the outer diameter of the main section (25) is greater than that of the third stepped section (23), and the outer diameter of the main section (25) is greater than that of the second stepped section (22); in the production process, two pull plate devices on the left and right sides hook the third stepped section (23), pull two filter plate handles, and drive the entire filter plate to move.
2. The filter plate handle of claim 1, wherein, The third stepped section (23) is in a cylindrical or cuboid shape.
3. Filter plate handle according to claim 1 or 2, characterized in that The wear-resistant block (3) is hinged to the main section (25) of the plug-in shaft (2).
4. The filter plate handle of claim 3, wherein, At least two grooves (24) are arranged on the outer periphery of the plug-in shaft (2), a retaining ring (4) is clamped in the groove (24), and the retaining ring (4) is used for axially limiting the wear-resistant block (3).
5. The filter plate handle of claim 3, wherein, The fixed plate (1) is a metal plate, and the plug-in shaft (2) is a metal shaft.
6. A filter plate for a filter press, characterized in that The filter plate handle comprises the filter plate handle according to any one of claims 1 to 5. The filter plate handle comprises the filter plate handle according to any one of claims 1 to 5.
Citation Information
Patent Citations
Pin assembly used in vibrating environment and pin of pin assembly
CN106246678A
Filter plate handle with pin shaft and corresponding filter plate
CN212262497U
Automatic and manual dual-purpose filter plate handle
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Filter plate handle of filter press
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Filter plate handle and filter plate of filter press
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