Pressing device

Abstract

The utility model relates to the technical field of ceramic lining ball mill feeding end sealing and pressing devices, and discloses a pressing device which comprises an adjusting ring, a pressing disc located below the bottom of the adjusting ring and an adjusting screw located in the adjusting ring, the adjusting ring comprises a plurality of sets of sleeve rods arranged on the outer side of the adjusting ring, and telescopic grooves are formed in the sleeve rods; the clamping jaw is arranged in the telescopic groove, and a plurality of groups of positioning holes are formed in the telescopic groove; the positioning bolt is arranged at one end of the top of the sleeve rod, and a rubber pad is arranged at the bottom of the pressure plate. Limiting rotation can be carried out between the adjusting screw rod and the mounting sleeve through the steel ball, the limiting groove and the mounting sleeve rod, telescopic adjustment can be carried out between the clamping jaw and the sleeve rod through the telescopic groove, the positioning hole and the positioning bolt, and the diameter of a jar opening can be adjusted for use of the pressing device. And the pressing disc and the jar opening can be sealed through the adjusting screw rod and the adjusting hole, so that the using effect of the pressing device is better.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing and pressing devices at the feeding end of a porcelain-lined ball mill, in particular to a pressing device. Background Art

[0002] Ceramic ball mill is a ball mill whose liner is made of ceramic. It has a small capacity and is generally suitable for product trial production and intermittent small-batch production. It is a new type of energy-saving ball mill equipment developed by domestic mineral processing machinery experts based on the latest ball milling technology in China. During use, a clamping device is generally required to seal and clamp the feed end of the ceramic lined ball mill.

[0003] At present, most of the ceramic jars of ceramic ball mills are handmade, and there are deviations in the size of the jar mouth. The clamping device at the feed end often breaks the ceramic jar mouth of the equipment during sealing and adjustment, which damages the ceramic jar, causes the equipment to be scrapped, and affects the service life of the equipment. Utility Model Content

[0004] The purpose of the utility model is to provide a pressing device to solve the problems raised in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical solution: a clamping device, including an adjusting ring, a pressure plate located below the bottom of the adjusting ring, and an adjusting screw located inside the adjusting ring, wherein the adjusting ring includes:

[0006] A plurality of sets of sleeve rods are arranged outside the adjusting ring, and telescopic grooves are arranged inside the sleeve rods;

[0007] A clamping claw is arranged inside the telescopic slot, and a plurality of positioning holes are arranged inside the telescopic slot;

[0008] A positioning bolt is arranged at one end of the top of the sleeve rod.

[0009] Preferably, a rubber pad is provided at the bottom of the pressure plate, a mounting head is provided at the middle position of the top of the pressure plate, a mounting sleeve is provided inside the mounting head, limiting grooves are provided inside the mounting sleeve and at the bottom end of the outer side of the adjusting screw, a plurality of groups of steel balls are provided inside the limiting grooves, and a mounting bolt penetrating into the limiting grooves is provided on the outer side of the mounting head.

[0010] Preferably, an adjustment hole is provided at a middle position inside the adjustment ring, and a rotating hand wheel is provided at the top end of the adjustment screw.

[0011] Preferably, the clamping claw is movably connected to the sleeve rod via a telescopic slot, and a clamping block is provided at one end of the clamping claw away from the sleeve rod.

[0012] Preferably, the positioning bolt is detachably connected to the claw via a positioning hole, a threaded hole matching the positioning bolt is provided at one end of the top of the sleeve rod, and the positioning bolt is threadedly connected to the sleeve rod via the threaded hole.

[0013] Preferably, a mounting groove is provided at the bottom end of the pressure plate, the rubber pad is fixedly connected to the pressure plate via the mounting groove and glue, and the bottom end of the mounting head is welded to the top end of the pressure plate.

[0014] Preferably, a fixing groove is provided inside the mounting head, the bottom end of the adjusting screw and the mounting sleeve are both detachably connected to the mounting head via the fixing groove, and the steel ball is rollingly connected to the mounting sleeve and the adjusting screw via the limiting groove.

[0015] Preferably, a mounting hole penetrating into the limiting groove is arranged on the outer side of the mounting head, and an internal thread matching the mounting bolt is arranged on the inner side of the mounting hole, and the steel ball is detachably connected to the limiting groove through the mounting hole.

[0016] Preferably, a slot is provided at the bottom of the rotating handwheel, and the rotating handwheel is detachably connected to the top end of the adjusting screw via the slot, and a plurality of groups of grooves are provided on the outer side of the rotating handwheel.

[0017] Preferably, an internal thread matching the adjusting screw is provided on the inner side of the adjusting hole, and the adjusting ring is threadably connected to the adjusting screw through the adjusting hole.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] The utility model can make the adjusting screw and the installation sleeve rotate within a limited position through the steel ball, the limiting groove and the installation sleeve rod, can make the claw and the sleeve rod telescopically adjusted through the telescopic groove, the positioning hole and the positioning bolt, can make the jar mouth diameter adjustable for the clamping device, and can seal between the pressure plate and the jar mouth through the adjusting screw and the adjusting hole, so that the use effect of the clamping device is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following is a brief introduction to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can also be obtained based on these drawings without creative work. In all drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0021] Figure 1 It is a structural schematic diagram of the utility model.

[0022] Figure 2It is a cross-sectional view of the utility model.

[0023] Figure 3 It is a schematic diagram of the internal structure of the pressure plate of the utility model.

[0024] In the figure: 1. adjusting ring; 101. sleeve rod; 102. telescopic slot; 103. claw; 104. positioning hole; 105. positioning bolt; 2. pressure plate; 201. rubber pad; 202. mounting head; 203. mounting sleeve; 204. limiting slot; 205. steel ball; 206. mounting bolt; 3. adjusting screw; 301. adjusting hole; 302. rotating hand wheel. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0026] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] See also Figure 1-3The utility model provides a clamping device embodiment: a clamping device, including an adjusting ring 1, a pressure plate 2 located below the bottom of the adjusting ring 1, and an adjusting screw 3 located inside the adjusting ring 1, the adjusting ring 1 includes: multiple sets of sleeve rods 101 arranged on the outside of the adjusting ring 1, and the sleeve rods 101 are provided with telescopic grooves 102; claws 103 are arranged inside the telescopic grooves 102, and the telescopic grooves 102 are provided with multiple sets of positioning holes 104; a positioning bolt 105 is arranged at one end of the top of the sleeve rod 101, and the positioning holes 104 and the positioning bolt 105 can be used to adjust the position between the claws 103 and the sleeve rod 101, so that the clamping device can be suitable for jars with different diameters.

[0030] Please refer to Figure 1 and Figure 3 A rubber pad 201 is provided at the bottom of the pressure plate 2, and a mounting head 202 is provided at the middle position of the top of the pressure plate 2. A mounting sleeve 203 is provided inside the mounting head 202, and the mounting sleeve 203 and the adjusting screw 3 can be installed inside the mounting head 202. The inside of the mounting sleeve 203 and the bottom end of the outer side of the adjusting screw 3 are both provided with limiting grooves 204, and the inside of the limiting groove 204 is provided with multiple groups of steel balls 205. The outside of the mounting head 202 is provided with a mounting bolt 206 that penetrates into the limiting groove 204. The mounting bolt 206 can be used to limit the mounting sleeve 203 and the mounting head 202, so as to facilitate the assembly and application of the clamping device.

[0031] Please refer to Figure 1 and Figure 2 An adjusting hole 301 is provided at the middle position inside the adjusting ring 1, and the adjusting ring 1 and the adjusting screw 3 can be adjusted through the adjusting hole 301. A rotating hand wheel 302 is provided at the top of the adjusting screw 3, and the adjusting screw 3 can be rotated by rotating the hand wheel 302.

[0032] Please refer to Figure 1 and Figure 3The clamping claw 103 is movably connected to the sleeve rod 101 through the telescopic slot 102, and the clamping claw 103 and the sleeve rod 101 can be moved through the telescopic slot 102. The end of the clamping claw 103 away from the sleeve rod 101 is provided with a clamping block, which is convenient for the use of the clamping claw 103. The positioning bolt 105 is detachably connected to the clamping claw 103 through the positioning hole 104, and the positioning bolt 105 and the clamping claw 103 can be adjusted through the positioning hole 104. One end of the top of the sleeve rod 101 is provided with a threaded hole matching the positioning bolt 105. The positioning bolt 105 is threadedly connected to the sleeve rod 101 through the threaded hole, which plays a role of limit adjustment, so that the positioning bolt 105 and the sleeve rod 101 can be adjusted. The bottom end of the pressure plate 2 is provided with a mounting groove, and the rubber pad 201 is fixedly connected to the pressure plate 2 through the mounting groove and glue. The rubber pad 201 is installed at the bottom of the pressure plate 2 through the mounting groove, and the bottom end of the mounting head 202 is welded to the top of the pressure plate 2. The interior of the mounting head 202 is provided with a fixing groove, and the bottom end of the adjusting screw 3 and the mounting sleeve 203 are both detachably connected to the mounting head 202 through the fixing groove. The bottom end of the adjusting screw 3 and the mounting sleeve 203 can be installed to the interior of the mounting head 202 through the fixing groove, and the steel ball 205 is rollingly connected to the mounting sleeve 203 and the adjusting screw 3 through the limiting groove 204. The limiting groove 204 can make the steel ball 205, the mounting sleeve 203 and the adjusting screw 3 rotate, and the pressure plate 2 and the adjusting screw 3 can rotate. The outer side of the mounting head 202 is provided with a mounting hole that penetrates into the interior of the limiting groove 204, and the inner side of the mounting hole is provided with an internal thread matching the mounting bolt 206. The steel ball 205 can be installed to the interior of the limiting groove 204 through the mounting hole, and the steel ball 205 is detachably connected to the limiting groove 204 through the mounting hole, and the mounting sleeve 203 and the adjusting screw 3 can be limited by the steel ball 205.

[0033] Please refer to Figure 1 and Figure 2 A card slot is provided at the bottom of the rotating hand wheel 302, and the rotating hand wheel 302 is detachably connected to the top of the adjusting screw 3 through the card slot, so that the rotating hand wheel 302 can be installed on the top of the adjusting screw 3. A plurality of groups of grooves are provided on the outer side of the rotating hand wheel 302, and an internal thread matching the adjusting screw 3 is provided on the inner side of the adjusting hole 301. The adjusting ring 1 is threadedly connected to the adjusting screw 3 through the adjusting hole 301, which plays a role of limit adjustment, and the adjusting rod 1 and the adjusting screw 3 can be adjusted up and down, which is convenient for the installation and use of the clamping device.

[0034] Working principle: When the utility model is used, the pressure plate 2 is placed inside the ceramic jar, the mounting sleeve 203 is sleeved on the bottom end of the adjusting screw 3, and then the mounting sleeve 203 and the adjusting screw 3 are installed inside the mounting head 202, and then multiple groups of steel balls 205 are installed inside the limiting groove 204 through the mounting holes, and the mounting bolt 206 is installed inside the mounting head 202 and the mounting sleeve 203 to achieve the installation between the pressure plate 2 and the adjusting screw 3. The card can be aligned through the telescopic slot 102. The claw 103 is adjusted to the sleeve rod 101, and the positioning hole 104 and the positioning bolt 105 can be used to limit the position between the clamping claw 103 and the sleeve rod 101. The different sizes of the jar openings can be adjusted and used, so that the clamping claw 103 can be clamped into the inside of the jar opening, and the rotating hand wheel 302 is manually turned to drive the adjusting screw 3 to rotate. The external thread on the outside of the adjusting screw 3 and the internal thread on the inside of the adjusting hole 301 cooperate with each other to realize the sealing of the jar opening by the pressure plate 3, so that the use effect of the clamping device is better.

[0035] The above is only an embodiment of the utility model, and the common sense such as the known specific structure and characteristics in the scheme is not described too much here. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the utility model. Any figure mark in the claims should not be regarded as limiting the claims involved.

Claims

1. A clamping device, characterized in that: The invention comprises an adjusting ring (1), a pressure plate (2) located below the bottom of the adjusting ring (1), and an adjusting screw (3) located inside the adjusting ring (1), wherein the adjusting ring (1) comprises: A plurality of sets of sleeve rods (101) are arranged outside the adjustment ring (1), and telescopic grooves (102) are arranged inside the sleeve rods (101); A clamping claw (103) is arranged inside the telescopic slot (102), and a plurality of positioning holes (104) are arranged inside the telescopic slot (102); A positioning bolt (105) is arranged at one end of the top of the sleeve rod (101).

2. A pressing device according to claim 1, characterized in that: A rubber pad (201) is arranged at the bottom of the pressure plate (2), a mounting head (202) is arranged at the middle position of the top of the pressure plate (2), a mounting sleeve (203) is arranged inside the mounting head (202), a limiting groove (204) is arranged inside the mounting sleeve (203) and at the bottom end of the outer side of the adjusting screw (3), a plurality of groups of steel balls (205) are arranged inside the limiting groove (204), and a mounting bolt (206) is arranged on the outer side of the mounting head (202) and penetrates into the limiting groove (204).

3. A pressing device according to claim 1, characterized in that: An adjustment hole (301) is provided at a middle position inside the adjustment ring (1), and a rotating hand wheel (302) is provided at the top end of the adjustment screw rod (3).

4. A pressing device according to claim 1, characterized in that: The clamping claw (103) is movably connected to the sleeve rod (101) via a telescopic slot (102), and a clamping block is provided at one end of the clamping claw (103) away from the sleeve rod (101).

5. A pressing device according to claim 1, characterized in that: The positioning bolt (105) is detachably connected to the claw (103) via the positioning hole (104); a threaded hole matching the positioning bolt (105) is provided at one end of the top of the sleeve rod (101); and the positioning bolt (105) is threadedly connected to the sleeve rod (101) via the threaded hole.

6. A pressing device according to claim 2, characterized in that: The bottom end of the pressure plate (2) is provided with a mounting groove, the rubber pad (201) is fixedly connected to the pressure plate (2) via the mounting groove and glue, and the bottom end of the mounting head (202) is welded to the top end of the pressure plate (2).

7. A pressing device according to claim 2, characterized in that: A fixing groove is provided inside the mounting head (202), the bottom end of the adjusting screw (3) and the mounting sleeve (203) are both detachably connected to the mounting head (202) via the fixing groove, and the steel ball (205) is rollingly connected to the mounting sleeve (203) and the adjusting screw (3) via the limiting groove (204).

8. A pressing device according to claim 2, characterized in that: The outer side of the mounting head (202) is provided with a mounting hole penetrating into the interior of the limiting groove (204), and the inner side of the mounting hole is provided with an internal thread matching the mounting bolt (206), and the steel ball (205) is detachably connected to the limiting groove (204) through the mounting hole.

9. A pressing device according to claim 3, characterized in that: A slot is provided at the bottom of the rotating hand wheel (302), and the rotating hand wheel (302) is detachably connected to the top end of the adjusting screw rod (3) via the slot. A plurality of groups of grooves are provided on the outer side of the rotating hand wheel (302).

10. A pressing device according to claim 3, characterized in that: An internal thread matching the adjusting screw (3) is provided on the inner side of the adjusting hole (301), and the adjusting ring (1) is threadedly connected to the adjusting screw (3) through the adjusting hole (301).

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