Valve casting inner cavity wall grinding device

Abstract

The utility model is suitable for the technical field of casting inner cavity grinding, and provides a valve casting inner cavity wall grinding device which comprises a mounting frame, horizontal grooves are formed in the two opposite outer side faces of the mounting frame in a penetrating mode, and first T-shaped grooves are formed in the positions, located on one sides of the two horizontal grooves, of the two opposite outer side faces of the mounting frame in a penetrating mode. A clamping assembly is arranged between the two first T-shaped grooves in a sliding fit mode. The device solves the problems that in the grinding process of the cavity wall of an inner cavity of an existing valve casting, fixation of the valve casting is inconvenient to adjust, the valve casting is prone to loosening, the grinding rejection rate of the valve casting is increased, and the grinding efficiency of the valve casting is reduced. The two L-shaped sliding plates and the clamping plates fixed to the opposite side faces of the two L-shaped sliding plates are made to horizontally move away from or close to each other, clamping of the valve casting can be achieved, loosening of the valve casting in the grinding process is avoided, and the grinding effect of the valve casting is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of inner cavity grinding of castings, and more specifically, to a device for grinding the inner cavity wall of a valve casting. Background Art

[0002] Castings are metal shaped objects obtained by various casting methods, that is, the smelted liquid metal is poured into a pre-prepared mold by pouring, injection, suction or other casting methods, and then cooled and polished to obtain objects with a certain shape, size and performance.

[0003] In the existing grinding process of the inner cavity wall of the valve casting, the fixation of the valve casting is not easy to adjust, and the valve casting is easy to loosen, which increases the grinding scrap rate of the valve casting and reduces the grinding efficiency of the valve casting. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a valve casting inner cavity wall grinding device which drives a trapezoidal plate to make horizontal reciprocating motion so that two L-shaped slide plates and a clamping plate fixed to one side of the two L-shaped slide plates make horizontal motion away from or close to each other, thereby clamping the valve casting, avoiding loosening of the valve casting during the grinding process, and ensuring the grinding effect of the valve casting.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A valve casting inner cavity wall grinding device includes a mounting frame, wherein the mounting frame has horizontal grooves extending through two opposite outer side surfaces, and the mounting frame has first T-shaped grooves extending through two opposite outer side surfaces located on one side of the two horizontal grooves, and a clamping component is slidably fitted between the two first T-shaped grooves.

[0007] The clamping assembly includes two L-shaped slides, and a first T-shaped plate is fixed to one side of the two L-shaped slides. The two L-shaped slides are respectively slidably fitted in the two horizontal grooves, and the two first T-shaped plates are respectively slidably fitted in the two first T-shaped grooves.

[0008] Inclined plates are fixed to the inner sides of the two L-shaped slide plates, and second T-shaped grooves are provided on opposite sides of the two inclined plates.

[0009] The second T-shaped plates are slidably matched in the two second T-shaped grooves, a trapezoidal plate is fixed between the two second T-shaped plates, and a connecting plate is fixed on one side of the trapezoidal plate.

[0010] A clamping plate is fixed on opposite sides of the two L-shaped slide plates.

[0011] The utility model is further configured as follows: a first cylinder is fixedly mounted on the inner wall of the mounting frame, and a telescopic end of the first cylinder is fixedly connected to a connecting plate.

[0012] The utility model is further configured as follows: a second cylinder is fixedly mounted on the top of the mounting frame, a telescopic shaft of the second cylinder passes through the top of the mounting frame, and the telescopic shaft of the second cylinder is slidably matched with the mounting frame.

[0013] The utility model is further configured as follows: the telescopic end of the second cylinder is fixedly connected with a mounting plate, and a limiting block is fixed on a peripheral side surface of the mounting plate.

[0014] The utility model is further configured as follows: a lifting groove is opened on one side of the mounting frame, and the limiting block is slidably matched with the lifting groove.

[0015] The utility model is further configured as follows: a servo motor is fixedly mounted on the bottom of the mounting plate, and a grinding head is fixedly connected to the output end of the servo motor.

[0016] The advantages of the utility model are as follows: the utility model drives the trapezoidal plate to make horizontal reciprocating motion, so that the second T-shaped plates fixed on both sides of the trapezoidal plate make horizontal reciprocating motion close to or away from the clamping plate along the second T-shaped grooves opened on the opposite side of the two inclined plates, and drives the two L-shaped slide plates to slide and cooperate in the two horizontal grooves to make horizontal motion away from or close to each other, so that the clamping plates fixed on the opposite side of the two L-shaped slide plates make horizontal motion away from or close to each other, thereby clamping the valve casting, avoiding the valve casting from loosening during the grinding process, and ensuring the grinding effect of the valve casting. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The utility model is a schematic structural diagram of a valve casting inner cavity wall grinding device.

[0018] Figure 2 It is a structural schematic diagram of the mounting frame of the utility model.

[0019] Figure 3 It is a structural schematic diagram of the clamping assembly of the utility model.

[0020] In the figure: 1, mounting frame; 2, clamping assembly; 101, horizontal slot; 102, first T-slot; 103, first cylinder; 104, second cylinder; 105, mounting plate; 106, limit block; 107, lifting slot; 108, servo motor; 109, grinding head; 201, L-shaped slide plate; 202, first T-plate; 203, inclined plate; 204, second T-slot; 205, second T-plate; 206, trapezoidal plate; 207, connecting plate; 208, clamping plate. DETAILED DESCRIPTION

[0021] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0022] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0023] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0024] Embodiment 1

[0025] See also Figure 1-3 , the utility model provides the following technical solutions:

[0026] Specifically, it refers to a valve casting inner cavity wall grinding device, including a mounting frame 1, the mounting frame 1 has horizontal grooves 101 penetrated on both sides of the mounting frame 1, and the mounting frame 1 has first T-shaped grooves 102 penetrated on both sides of the mounting frame 1 on both sides of the horizontal grooves 101, and a clamping component 2 is slidably matched between the two first T-shaped grooves 102; the clamping component 2 includes two L-shaped slides 201, and the first T-shaped plates 202 are fixed on one side of the two L-shaped slides 201, and the two L-shaped slides 201 are respectively slidably matched in the two horizontal grooves 101, and the two first T-shaped plates 202 are respectively slidably matched The two L-shaped slides 201 are fitted into the two first T-slots 102; the inner sides of the two L-shaped slides 201 are fixed with inclined plates 203, and the opposite sides of the two inclined plates 203 are provided with second T-slots 204; the two second T-slots 204 are slidably fitted with second T-shaped plates 205, a trapezoidal plate 206 is fixed between the two second T-shaped plates 205, and a connecting plate 207 is fixed to one side of the trapezoidal plate 206; the opposite sides of the two L-shaped slides 201 are fixed with clamping plates 208; the inner wall of the mounting frame 1 is fixedly installed with the first cylinder 103, and the telescopic end of the first cylinder 103 is fixedly connected to the connecting plate 207.

[0027] The specific application of this embodiment is: by starting the first cylinder 103 fixed to the inner wall of the mounting frame 1, the trapezoidal plate 206 fixed on one side of the connecting plate 207 can be driven to make a horizontal reciprocating motion, so that the second T-shaped plates 205 fixed on both sides of the trapezoidal plate 206 can make a horizontal reciprocating motion close to or away from the clamping plate 208 along the second T-shaped grooves 204 opened on the opposite side of the two inclined plates 203. When the two second T-shaped plates 205 move horizontally, the two inclined plates 203 can move horizontally away from or close to each other, driving the two L-shaped slides The plate 201 slides in the two horizontal grooves 101 to make horizontal movements away from or towards each other. At this time, the two first T-shaped plates 202 slide in the two first T-shaped grooves 102 respectively to prevent the two L-shaped slides 201 from rotating in the circumferential direction. When the two L-shaped slides 201 make horizontal movements, the clamping plates 208 fixed on the relative sides of the two L-shaped slides 201 can achieve horizontal movements away from or towards each other, thereby clamping the valve casting, avoiding loosening of the valve casting during the grinding process, and ensuring the grinding effect of the valve casting.

[0028] Embodiment 2

[0029] See also Figure 1-3 , this second embodiment makes the following improvements on the basis of the first embodiment. Specifically, a second cylinder 104 is fixedly installed on the top of the mounting frame 1, and the telescopic shaft of the second cylinder 104 passes through the top of the mounting frame 1, and the telescopic shaft of the second cylinder 104 is slidably matched with the mounting frame 1; a mounting plate 105 is fixedly connected to the telescopic end of the second cylinder 104, and a limiting block 106 is fixed on the side of the mounting plate 105; a lifting groove 107 is opened on one side of the mounting frame 1, and the limiting block 106 is slidably matched with the lifting groove 107; a servo motor 108 is fixedly installed on the bottom of the mounting plate 105, and a grinding head 109 is fixedly connected to the output end of the servo motor 108.

[0030] A specific application of this embodiment is: by starting the second cylinder 104 fixedly installed on the top of the mounting frame 1, the mounting plate 105 is made to move vertically along the direction of the lifting groove 107. At this time, the limit block 106 fixed on the side surface of the mounting plate 105 slides with the lifting groove 107 to prevent the mounting plate 105 from rotating in the circumferential direction. Then, the servo motor 108 fixedly installed on the bottom of the mounting plate 105 can be started to drive the grinding head 109 to rotate, thereby realizing the grinding of the inner cavity wall of the valve casting.

[0031] Obviously, the embodiments described above are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0032] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0033] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0034] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

[0035] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A valve casting inner cavity wall grinding device, comprising a mounting frame (1), characterized in that: The mounting frame (1) has two opposite outer side surfaces each having a horizontal groove (101) extending therethrough, and the mounting frame (1) has two opposite outer side surfaces each having a first T-shaped groove (102) extending therethrough on one side of the two horizontal grooves (101), and a clamping assembly (2) is slidably engaged between the two first T-shaped grooves (102); The clamping assembly (2) comprises two L-shaped slides (201), a first T-shaped plate (202) being fixed to one side of the two L-shaped slides (201), the two L-shaped slides (201) being slidably fitted in the two horizontal grooves (101) respectively, and the two first T-shaped plates (202) being slidably fitted in the two first T-shaped grooves (102) respectively; The inner side surfaces of the two L-shaped slide plates (201) are both fixed with inclined plates (203), and the opposite side surfaces of the two inclined plates (203) are both provided with second T-shaped grooves (204); A second T-shaped plate (205) is slidably fitted in each of the two second T-shaped grooves (204), a trapezoidal plate (206) is fixed between the two second T-shaped plates (205), and a connecting plate (207) is fixed on one side of the trapezoidal plate (206); A clamping plate (208) is fixed to opposite sides of the two L-shaped slide plates (201).

2. A valve casting inner cavity wall grinding device according to claim 1, characterized in that: A first cylinder (103) is fixedly mounted on the inner wall of the mounting frame (1), and a telescopic end of the first cylinder (103) is fixedly connected to a connecting plate (207).

3. A valve casting inner cavity wall grinding device according to claim 2, characterized in that: A second cylinder (104) is fixedly mounted on the top of the mounting frame (1); a telescopic shaft of the second cylinder (104) passes through the top of the mounting frame (1), and the telescopic shaft of the second cylinder (104) is in sliding cooperation with the mounting frame (1).

4. A valve casting inner cavity wall grinding device according to claim 3, characterized in that: The telescopic end of the second cylinder (104) is fixedly connected to a mounting plate (105), and a limiting block (106) is fixed on the peripheral side of the mounting plate (105).

5. A valve casting inner cavity wall grinding device according to claim 4, characterized in that: A lifting groove (107) is provided on one side of the mounting frame (1), and the limiting block (106) is slidably matched with the lifting groove (107).

6. A valve casting inner cavity wall grinding device according to claim 5, characterized in that: A servo motor (108) is fixedly mounted on the bottom of the mounting plate (105), and a grinding head (109) is fixedly connected to the output end of the servo motor (108).

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