A fixture for grinding aluminum-magnesium die castings

Abstract

The utility model relates to the technical field of grinding fixtures, and in particular to a fixture for grinding aluminum-magnesium die-castings. It includes a support frame and an auxiliary device, and fixture plates are installed on the upper surfaces of both ends of the support frame. The inner walls of the two fixture plates are clamped with the same die-casting body. An adjustment device is provided on the upper surface of the support frame, and the adjustment device includes two slide grooves. The two slide grooves are both opened on the surface of the support frame. The inner walls of both ends of the two slide grooves are slidably connected with sliding rods. The arc surface of the sliding rod is threadedly connected with an extrusion shaft. One side of the extrusion shaft abuts against the lower surface of the support frame. Four sliding rods are grouped in pairs, and the upper end of each group of sliding rods is fixedly connected to the same fixed frame. The fixed frame is fixedly connected to the fixture plate with the help of the auxiliary device, and the two ends of the fixed frame are fixedly connected to a slide plate. The fixture provided by the utility model for grinding aluminum-magnesium die-castings has the advantage of conveniently adjusting and limiting the position between the fixture plates.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding fixtures, in particular to a fixture used for grinding aluminum-magnesium die castings. Background Art

[0002] Grinding fixtures usually have a stable structure and a reliable clamping mechanism, which can firmly fix the workpiece to prevent it from moving or shaking during the grinding process. Grinding fixtures are tooling equipment used to fix and support workpieces for grinding and grinding operations, and are more common in parts processing and manufacturing.

[0003] Prior art such as the utility model with announcement number CN220806894U discloses a part grinding and flipping fixture, which includes a base, a fixed plate and a side plate. A movable plate is provided on the top of the base, and the side of the movable plate is connected to a second clamping plate through a bearing. The top of the base is fixedly connected to the fixed plate, and the top of the base is fixedly connected to the side plate. The inner sides of the fixed plate and the side plate are provided with a second slide groove, and a support rod is embedded in the second slide groove. The side of the support rod is provided with a third slide groove, and the support plate is embedded between the third slide grooves. This part grinding and flipping fixture has a second slide groove provided on the inner sides of the fixed plate and the side plate, and a support rod is embedded in the second slide groove. The movable support rod slides up and down, and the support plate is embedded between the third slide grooves provided on the side of the support rod. The support plate can slide along the third slide groove and is driven up and down by the support frame. When the part is clamped, the support plate is moved to the bottom of the part to support the part, so that the part is fixed better.

[0004] In the process of grinding aluminum-magnesium die-castings, it was found that in the process of clamping the aluminum-magnesium die-castings, since the position of the clamping plate is usually fixed at a specified position, in the process of grinding aluminum-magnesium die-castings of different sizes, the clamping plate cannot be conveniently moved and adjusted for spacing, which leads to the problem of inconvenience in grinding aluminum-magnesium die-castings. Utility Model Content

[0005] The purpose of the utility model is to solve the problem in the prior art that, in the process of clamping aluminum-magnesium die-castings, the position of the usual clamping plates is mostly fixed at a specified position, and in the process of grinding aluminum-magnesium die-castings of different sizes, the clamping plates cannot be conveniently moved and adjusted for spacing, which leads to the disadvantage of being inconvenient to grind the aluminum-magnesium die-castings.

[0006] The cam is an angular channel that is formed on a pair of camshafts, each of which is connected to a pair of camshafts, each of which is connected to a pair of camshafts, each of which is connected to a pair of camshafts, each of which is connected to a pair of camshafts, each of which is connected to a pair of camshafts, each of which is connected to a pair of camshafts, each of which is connected to a pair of camshafts, each of which is connected to a pair of camshafts, each of which is connected to a pair of camshafts, each of which is connected to a pair of camshafts, each of which is connected to a pair of camshafts, each of which is connected to a pair of camshafts,

[0007] The effect achieved by the above components is: in the process of polishing the aluminum-magnesium die-castings, it is necessary to use clamping tools to stably clamp the aluminum-magnesium die-castings to facilitate polishing. In this process, in order to facilitate the adjustment of the position of the fixture plate and the clamping of aluminum-magnesium die-castings of different sizes, the fixture plate is first docked and fixed with the fixed frame, and then the fixed frame is moved and adjusted along the slide groove opened on the surface of the support frame with the help of the sliding rod at the bottom, and then it is extruded and fixed by the extrusion shaft. At the same time, the fixed rod on one side of the support frame and the slide plate on one side of the fixed frame are used for sliding adjustment, which is convenient for auxiliary sliding limiting, so that the entire fixture plate can be effectively moved and regulated on the surface of the support frame with the help of the fixed frame, which is convenient for better clamping and fixing of the aluminum-magnesium die-castings.

[0008] Preferably, a limiting groove is provided on the side wall of the support frame corresponding to the position of the slide, and a plurality of tooth grooves are provided on the upper end of the inner wall of the limiting groove. A moving block is fixedly connected to the bottom end of the slide, and the surface of the moving block is slidably connected to the bottom end of the inner wall of the limiting groove. An elastic sheet is fixedly connected to one side of the moving block, and the cross-section of the elastic sheet is "U"-shaped. Two clamping blocks are fixedly connected to the upper surface of the elastic sheet, and the surfaces of the two clamping blocks are clamped with the inner wall of the tooth groove.

[0009] The effect achieved by the above-mentioned components is: in the process of moving the slides on both sides of the fixed frame, the moving block at the bottom of the slide and the clamping block on the upper surface of the elastic sheet can be used for assistance, so that the clamping block can be clamped with the tooth groove in the limiting groove of the side wall of the support frame, thereby effectively and conveniently assisting the limiting of the entire fixed frame.

[0010] Preferably, the cross section of the clamping block is in the shape of a pointed cone, and a friction pad is fixedly connected to the upper end surface of the clamping block, and the friction pad is a rubber pad.

[0011] The effect achieved by the above components is that in the process of engaging the clamping block with the tooth groove, the friction pad made of rubber material can be used for auxiliary limiting.

[0012] Preferably, a connecting plate is fixedly connected to one side of the elastic sheet, and the cross-sectional size of the connecting plate is matched with the cross-sectional size of the elastic sheet.

[0013] The effect achieved by the above components is that during the process of squeezing and moving the position of the elastic sheet, the connecting plate on one side of the elastic sheet can be used for auxiliary operation.

[0014] Preferably, an auxiliary device is provided at a position of the fixed frame corresponding to the lower surface of the clamp plate, and the auxiliary device includes a positioning plate, the surface of the positioning plate is fixedly connected to the bottom end of the clamp plate, the surface of the positioning plate is plugged into the inner wall of the fixed frame, both sides of the fixed frame are slidably penetrated by movable columns, and a mosaic block is fixedly connected to the side of the movable column close to the positioning plate, the cross-section of the mosaic block is arc-shaped, and an inlay hole is opened on the side wall of the positioning plate corresponding to the position of the mosaic block, the inner wall of the inlay hole is plugged into the surface of the mosaic block, and the arc surface of the movable column is slidably connected to a spring, and the two ends of the spring are respectively fixedly connected to the movable column and the surface of the fixed frame.

[0015] The effect achieved by the above-mentioned components is: in the process of clamping the die-casting bodies of different sizes, the fixture plate needs to be replaced and limited. At this time, the positioning plate at the bottom of the fixture plate is plugged into the fixed frame, and then the moving columns sliding at both ends of the fixed frame are used to drive the mosaic block with an arc-shaped cross-section to be plugged and fixed with the mosaic hole opened on the side wall of the positioning plate. At the same time, the tensile force generated by the spring is used to squeeze the mosaic block to prevent it from sliding and falling off between the mosaic block and the mosaic hole, thereby effectively and conveniently replacing the fixed limit of the entire fixture plate.

[0016] Preferably, one end of the movable column away from the mosaic block is rotatably connected with a pull ring, and the cross-sectional size of the pull ring is matched with the cross-sectional size of the movable column.

[0017] The effect achieved by the above components is that when the positions of the movable column and the inlay block are moved and adjusted, the pull ring at one end of the movable column can be used for auxiliary operation.

[0018] Preferably, both end side walls of the positioning plate are fixedly connected with auxiliary blocks, and auxiliary grooves are provided at positions corresponding to the auxiliary blocks on both sides of the inner wall of the fixing frame, and the inner walls of the auxiliary grooves are plugged into the surfaces of the auxiliary blocks.

[0019] The effect achieved by the above components is: in order to better allow the positioning plate at the bottom of the fixture plate to be plugged and limited with the fixing frame, the auxiliary block and the auxiliary groove are used to guide the plugging to prevent the entire fixture plate from shaking.

[0020] Compared with the related art, the fixture for grinding aluminum-magnesium die castings provided by the utility model has the following beneficial effects:

[0021] The utility model provides a clamp for grinding aluminum-magnesium die-castings. In the process of grinding the aluminum-magnesium die-castings, it is necessary to stably clamp the aluminum-magnesium die-castings with the help of a clamping tool, so as to facilitate grinding. In this process, in order to facilitate the adjustment of the position of the clamp plate and facilitate the clamping of aluminum-magnesium die-castings of different sizes, the clamp plate is firstly docked and fixed with a fixed frame, and then the fixed frame is moved and adjusted along the slide groove provided on the surface of the support frame with the help of a sliding rod at the bottom, and then it is extruded and fixed by an extrusion shaft, and at the same time, the fixing rod on one side of the support frame and the slide plate on one side of the fixed frame are used. The sliding adjustment is convenient for auxiliary sliding limiting, so that the entire clamp plate can be effectively moved and regulated on the surface of the support frame with the help of the fixed frame, so as to facilitate better clamping and fixing of the aluminum-magnesium die-casting. In the process of moving the slides on both sides of the fixed frame, the moving block at the bottom of the slide and the card block on the upper surface of the elastic sheet can be used for assistance, so that the card block and the tooth groove in the limiting groove of the side wall of the support frame are clamped, and through the operation of the adjustment device, the auxiliary limiting of the entire fixed frame is achieved effectively and conveniently, so that the clamp plate in the fixed frame can clamp and limit the aluminum-magnesium die-casting.

[0022] In the process of clamping the die-casting bodies of different sizes, the fixture plate needs to be replaced and limited. At this time, the positioning plate at the bottom of the fixture plate is plugged into the fixed frame, and then the moving columns sliding at both ends of the fixed frame are used to drive the mosaic block with a circular arc cross-section to be plugged and fixed with the mosaic hole opened on the side wall of the positioning plate. At the same time, the tensile force generated by the spring is used to squeeze the mosaic block to prevent it from sliding and falling off between the mosaic block and the mosaic hole. When moving and adjusting the position of the moving column and the mosaic block, the pull ring at one end of the moving column can be used for auxiliary operation. By operating the auxiliary device, the entire fixture plate can be effectively and conveniently replaced and fixed. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A schematic diagram of the structure of a fixture for grinding aluminum-magnesium die castings provided by the utility model;

[0024] Figure 2 for Figure 1 The structural schematic diagram of the regulating device shown;

[0025] Figure 3 for Figure 2 The schematic diagram of the split structure of the regulating device shown;

[0026] Figure 4 for Figure 1 Schematic diagram of the structure of the auxiliary device shown.

[0027] Numbers in the figure: 1. Support frame; 2. Die-casting body; 3. Fixture plate; 4. Adjustment device; 401. Slide groove; 402. Slide rod; 403. Fixed frame; 404. Extrusion shaft; 405. Slide plate; 406. Fixed rod; 407. Limiting groove; 408. Tooth groove; 409. Screw; 410. Moving block; 411. Elastic sheet; 412. Block; 413. Friction pad; 414. Connecting plate; 5. Auxiliary device; 51. Positioning plate; 52. Inlay hole; 53. Moving column; 54. Inlay block; 55. Pull ring; 56. Spring; 57. Auxiliary groove; 58. Auxiliary block. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0029] The specific implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0030] See also Figures 1 to 4 The embodiment of the utility model provides a fixture for grinding aluminum-magnesium die-castings, comprising: a support frame 1 and an auxiliary device 5, a fixture plate 3 is installed on the upper surfaces of both ends of the support frame 1, and the inner walls of the two fixture plates 3 are clamped with the same die-casting body 2, an adjustment device 4 is provided on the upper surface of the support frame 1, and an auxiliary device 5 is provided on the lower surface of the fixture plate 3 at a position corresponding to the fixed frame 403.

[0031] In the embodiments of the present invention, please refer to Figure 2 and Figure 3The adjusting device 4 includes two slide grooves 401, and the two slide grooves 401 are both opened on the surface of the support frame 1. The inner walls at both ends of the two slide grooves 401 are slidably connected with slide rods 402, and the arc surface of the slide rod 402 is threadedly connected with an extrusion shaft 404, and one side of the extrusion shaft 404 abuts against the lower surface of the support frame 1. The four slide rods 402 are grouped into two, and the upper end of each group of slide rods 402 is fixedly connected to the same fixed frame 403, and the fixed frame 403 is fixedly connected to the clamp plate 3 with the aid of an auxiliary device 5. Both ends of the fixed frame 403 are fixedly connected with a slide plate 405, and a fixing rod 406 is fixedly connected to the position of the side wall of the support frame 1 corresponding to the slide plate 405. The arc surface of the fixing rod 406 slides through the surface of the slide plate 405, and a screw 409 is threaded through the surface of the slide plate 405. One end of the screw 409 is connected to the surface of the fixing rod 406 Abutting against each other, a limiting groove 407 is provided on the side wall of the support frame 1 corresponding to the position of the slide plate 405, and a plurality of tooth grooves 408 are provided on the upper end of the inner wall of the limiting groove 407. A moving block 410 is fixedly connected to the bottom end of the slide plate 405, and the surface of the moving block 410 is slidably connected to the bottom end of the inner wall of the limiting groove 407. An elastic sheet 411 is fixedly connected to one side of the moving block 410, and the cross-section of the elastic sheet 411 is "U"-shaped. Two clamping blocks 412 are fixedly connected to the upper surface of the elastic sheet 411, and the surfaces of the two clamping blocks 412 are clamped with the inner walls of the tooth grooves 408. The cross-section of the clamping block 412 is in the shape of a pointed cone, and a friction pad 413 is fixedly connected to the upper end surface of the clamping block 412, and the friction pad 413 is a rubber pad. A connecting plate 414 is fixedly connected to one side of the elastic sheet 411, and the cross-sectional size of the connecting plate 414 is adapted to the cross-sectional size of the elastic sheet 411.

[0032] In the embodiments of the present invention, please refer to Figure 4 The auxiliary device 5 includes a positioning plate 51, the surface of the positioning plate 51 is fixedly connected to the bottom end of the fixture plate 3, the surface of the positioning plate 51 is plugged into the inner wall of the fixed frame 403, both sides of the fixed frame 403 are slidably penetrated by a moving column 53, the side of the moving column 53 close to the positioning plate 51 is fixedly connected to a mosaic block 54, the cross section of the mosaic block 54 is arc-shaped, and a mosaic hole 52 is opened on the side wall of the positioning plate 51 corresponding to the position of the mosaic block 54, the inner wall of the mosaic hole 52 is plugged into the surface of the mosaic block 54, and the moving column The arc surface of 53 is slidably connected with a spring 56, and the two ends of the spring 56 are fixedly connected to the surfaces of the movable column 53 and the fixed frame 403 respectively. The end of the movable column 53 away from the mosaic block 54 is rotatably connected with a pull ring 55, and the cross-sectional size of the pull ring 55 is adapted to the cross-sectional size of the movable column 53. The side walls at both ends of the positioning plate 51 are fixedly connected with auxiliary blocks 58, and auxiliary grooves 57 are opened at the positions of the auxiliary blocks 58 on both sides of the inner wall of the fixed frame 403 corresponding to the positions of the auxiliary blocks 58, and the inner walls of the auxiliary grooves 57 are plugged into the surface of the auxiliary block 58.

[0033] The working principle of the clamp for grinding aluminum-magnesium die-castings provided by the utility model is as follows: in the process of grinding aluminum-magnesium die-castings, it is necessary to use a clamping tool to stably clamp the aluminum-magnesium die-castings to facilitate grinding. In this process, in order to facilitate the adjustment of the position of the clamp plate 3 and to facilitate the clamping of aluminum-magnesium die-castings of different sizes, the clamp plate 3 is first docked and fixed with the fixed frame 403, and then the fixed frame 403 is moved and adjusted along the slide groove 401 opened on the surface of the support frame 1 with the help of the sliding rod 402 at the bottom, and then it is squeezed and fixed by the extrusion shaft 404, and at the same time, the fixing rod 406 on one side of the support frame 1 and the fixing frame 403 on one side are used. The slide plate 405 is slidably adjusted to facilitate auxiliary sliding limiting, so that the entire clamp plate 3 can be effectively moved and regulated on the surface of the support frame 1 with the help of the fixed frame 403, so as to facilitate better clamping and fixing of the aluminum-magnesium die-casting. In the process of moving the slide plates 405 on both sides of the fixed frame 403, the movable block 410 at the bottom of the slide plate 405 and the clamping block 412 on the upper surface of the elastic sheet 411 can be used for assistance, so that the clamping block 412 is clamped with the tooth groove 408 in the limiting groove 407 on the side wall of the support frame 1, so as to effectively and conveniently perform auxiliary limiting on the entire fixed frame 403, so as to facilitate the clamping and limiting of the aluminum-magnesium die-casting by the clamp plate 3 in the fixed frame 403.

[0034] In the process of clamping the die-casting body 2 of different sizes, it is necessary to replace the limit of the clamp plate 3. At this time, the positioning plate 51 at the bottom of the clamp plate 3 is plugged into the fixed frame 403, and then the moving columns 53 sliding at both ends of the fixed frame 403 are used to drive the mosaic block 54 with a circular arc cross-section to be plugged and fixed with the mosaic hole 52 opened on the side wall of the positioning plate 51. At the same time, the tensile force generated by the spring 56 is used to squeeze the mosaic block 54 to prevent it from sliding and falling off between the mosaic block 54 and the mosaic hole 52. When the position of the moving column 53 and the mosaic block 54 is moved and adjusted, the pull ring 55 at one end of the moving column 53 can be used for auxiliary operation, so as to effectively and conveniently replace the fixed limit of the entire clamp plate 3.

[0035] The circuits and controls involved in the present invention are all prior art and will not be described in detail here.

[0036] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A fixture for grinding aluminum-magnesium die castings, characterized in that: include: A support frame (1) and an auxiliary device (5), wherein the upper surfaces of both ends of the support frame (1) are both equipped with fixture plates (3), the inner walls of the two fixture plates (3) are clamped with the same die-casting body (2), the upper surface of the support frame (1) is provided with an adjustment device (4), and the adjustment device (4) includes two slide grooves (401), the two slide grooves (401) are both opened on the surface of the support frame (1), the inner walls of both ends of the two slide grooves (401) are slidably connected with a slide rod (402), the arc surface of the slide rod (402) is threadedly connected with an extrusion shaft (404), one side of the extrusion shaft (404) is in contact with the lower surface of the support frame (1), and the four The sliding rods (402) are grouped in pairs, and the upper ends of each group of sliding rods (402) are fixedly connected to the same fixed frame (403). The fixed frame (403) is fixedly connected to the fixture plate (3) with the aid of an auxiliary device (5). Both ends of the fixed frame (403) are fixedly connected to a slide plate (405). A fixing rod (406) is fixedly connected to the side wall of the support frame (1) at a position corresponding to the slide plate (405). The arc surface of the fixing rod (406) slides through the surface of the slide plate (405). A screw rod (409) is threadedly penetrated through the surface of the slide plate (405), and one end of the screw rod (409) abuts against the surface of the fixing rod (406).

2. A fixture for grinding aluminum-magnesium die castings according to claim 1, characterized in that: A limiting groove (407) is provided on the side wall of the support frame (1) at a position corresponding to the slide plate (405); a plurality of tooth grooves (408) are provided on the upper end of the inner wall of the limiting groove (407); a moving block (410) is fixedly connected to the bottom end of the slide plate (405); a surface of the moving block (410) is slidably connected to the bottom end of the inner wall of the limiting groove (407); an elastic sheet (411) is fixedly connected to one side of the moving block (410); a cross section of the elastic sheet (411) is "U"-shaped; two clamping blocks (412) are fixedly connected to the upper surface of the elastic sheet (411); surfaces of the two clamping blocks (412) are clamped to the inner wall of the tooth groove (408).

3. A fixture for grinding aluminum-magnesium die castings according to claim 2, characterized in that: The cross section of the clamping block (412) is in the shape of a pointed cone, and a friction pad (413) is fixedly connected to the upper end surface of the clamping block (412), and the friction pad (413) is a rubber pad.

4. A fixture for grinding aluminum-magnesium die castings according to claim 2, characterized in that: A connecting plate (414) is fixedly connected to one side of the elastic sheet (411), and the cross-sectional dimensions of the connecting plate (414) are adapted to the cross-sectional dimensions of the elastic sheet (411).

5. The fixture for grinding aluminum-magnesium die castings according to claim 1, characterized in that: An auxiliary device (5) is provided at a position corresponding to the fixed frame (403) on the lower surface of the clamp plate (3), and the auxiliary device (5) comprises a positioning plate (51), the surface of the positioning plate (51) is fixedly connected to the bottom end of the clamp plate (3), the surface of the positioning plate (51) is plugged into the inner wall of the fixed frame (403), both sides of the fixed frame (403) are slidably penetrated by movable columns (53), a side of the movable column (53) close to the positioning plate (51) is fixedly connected to an inlay block (54), the cross section of the inlay block (54) is arc-shaped, an inlay hole (52) is opened on the side wall of the positioning plate (51) at a position corresponding to the inlay block (54), the inner wall of the inlay hole (52) is plugged into the surface of the inlay block (54), the arc surface of the movable column (53) is slidably connected to a spring (56), and the two ends of the spring (56) are respectively fixedly connected to the movable column (53) and the surface of the fixed frame (403).

6. A fixture for grinding aluminum-magnesium die castings according to claim 5, characterized in that: One end of the movable column (53) away from the mosaic block (54) is rotatably connected to a pull ring (55), and the cross-sectional size of the pull ring (55) is matched with the cross-sectional size of the movable column (53).

7. A fixture for grinding aluminum-magnesium die castings according to claim 5, characterized in that: The side walls at both ends of the positioning plate (51) are fixedly connected with auxiliary blocks (58), and auxiliary grooves (57) are opened at positions corresponding to the auxiliary blocks (58) on both sides of the inner wall of the fixed frame (403), and the inner walls of the auxiliary grooves (57) are plugged into the surface of the auxiliary blocks (58).

Images