Positioning clamp for casting part machining

Abstract

The utility model belongs to the technical field of casting part machining, and particularly relates to a positioning fixture for casting part machining, which comprises a machining table and an operating table, supporting legs are mounted at the bottom end of the machining table, a fixing plate is mounted at the upper end of the operating table, guide grooves are arranged on two sides of the upper end of the operating table, a positioning component is arranged on the fixing plate, and the positioning component is arranged on the operating table. A mounting assembly is arranged in the machining table, two rectangular holes are formed in the fixing plate, and two clamping holes are formed in each of the two ends of the operation table. Through the arrangement of the installation assembly, the operation table can be installed and limited on the machining table, after casting machining is completed, the operation table can be disassembled, the machining table can be used for other purposes, flexibility is improved, and disassembly and assembly are convenient; and through the arrangement of the positioning assembly, the casting part can be limited and fixed, and therefore the machining stability of the casting part is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of casting processing, in particular to a positioning fixture for casting processing. Background Art

[0002] A casting is a part that is formed by pouring liquid metal into a mold that matches the shape and size of the part and then cooling and solidifying it. During the processing, the casting needs to go through processes such as grinding and grooving. During processing, a positioning fixture is often required to make it more stable. At present, the fixtures in the prior art are usually fixed on the machine tool or operating table by bolts and other structures. This installation method is cumbersome and time-consuming, which reduces the processing efficiency of castings. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] In view of the deficiencies of the prior art, the utility model provides a positioning fixture for machining castings, which solves the problems raised in the above-mentioned background technology.

[0005] (2) Technical solution

[0006] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0007] A positioning fixture for casting processing, comprising a processing table and an operating table, wherein a supporting leg is installed at the bottom end of the processing table, a fixing plate is installed at the upper end of the operating table, guide grooves are provided on both sides of the upper end of the operating table, a positioning component is provided on the fixing plate, a mounting component is provided in the processing table, two rectangular holes are provided on the fixing plate, and two clamping holes are provided at both ends of the operating table;

[0008] The mounting assembly includes two square holes opened in the processing table, each of the two square holes is slidably connected with a slide bar, and two long plates are installed at the opposite ends of the two slide bars, and the long plates are slidably connected to the processing table, and the two square holes are rotatably connected with a screw rod, and the screw rod is threadedly connected to the slide bar, and a long rod is commonly connected between the two screws, and the long rod rotates in the processing table, and a passive bevel gear is installed on the outer surface of the long rod, and a rotating rod is rotatably connected in the processing table, and an active bevel gear is installed at one end of the rotating rod, and a rotating handle is installed at the other end of the rotating rod.

[0009] Furthermore, the active bevel gear and the passive bevel gear are meshed with each other.

[0010] Furthermore, the long plate slides in the clamping hole.

[0011] Furthermore, the positioning assembly includes a support block installed on one side of the upper end of the fixed plate, a servo motor is installed on the support block, a slider is slidably connected in the two rectangular holes, a screw rod is rotatably connected in the two rectangular holes, the screw rod is threadedly connected to the slider, an I-shaped wheel is installed on the upper end of the two screw rods, a belt is commonly transmitted between the two I-shaped wheels, the output end of the servo motor is connected to one of the I-shaped wheels, guide blocks are slidably connected in the two guide grooves, a splint is installed on the upper end of the two guide blocks, a rotating plate is rotatably connected to the two splints, and the two rotating plates are respectively rotatably connected to the two sliders.

[0012] Furthermore, the sliding block is H-shaped.

[0013] Furthermore, the screw rods have the same rotation direction.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a positioning fixture for casting processing, which has the following beneficial effects:

[0016] The utility model can limit the installation of the operating table on the processing table through the setting of the installation component. After the casting is processed, the operating table can be disassembled and the processing table can be used for other purposes, thereby improving flexibility and facilitating disassembly and assembly. The positioning component can be set to limit and fix the casting, thereby ensuring its stability during processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the installation assembly of the utility model;

[0019] Figure 3 It is a structural schematic diagram of the positioning component of the utility model;

[0020] Figure 4 It is a structural schematic diagram of an operating table of the utility model.

[0021] In the figure: 1. processing table; 2. supporting leg; 3. mounting assembly; 31. square hole; 32. slide bar; 33. long plate; 34. screw; 35. long rod; 36. passive bevel gear; 37. rotating rod; 38. active bevel gear; 39. turning handle; 4. operating table; 5. guide groove; 6. positioning assembly; 61. slider; 62. screw; 63. I-shaped wheel; 64. belt; 65. supporting block; 66. servo motor; 67. guide block; 68. splint; 69. rotating plate; 7. fixing plate; 8. rectangular hole; 9. clamping hole. DETAILED DESCRIPTION

[0022] 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.

[0023] Example

[0024] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, a positioning fixture for casting processing proposed by an embodiment of the utility model comprises a processing table 1 and an operating table 4, a supporting leg 2 is installed at the bottom end of the processing table 1, a fixing plate 7 is installed at the upper end of the operating table 4, guide grooves 5 are provided on both sides of the upper end of the operating table 4, a positioning component 6 is provided on the fixing plate 7, a mounting component 3 is provided in the processing table 1, two rectangular holes 8 are provided on the fixing plate 7, and two clamping holes 9 are provided at both ends of the operating table 4; by setting the mounting component 3, the operating table 4 can be installed and limited on the processing table 1, after the processing of the casting is completed, the operating table 4 can be disassembled, and the processing table 1 can be used for other purposes, which improves flexibility and is convenient for disassembly and assembly; and by setting the positioning component 6, the casting can be limited and fixed, thereby ensuring its stability during processing;

[0025] The mounting assembly 3 includes two square holes 31 opened in the processing table 1, and the two square holes 31 are slidably connected with a slide bar 32, and two long plates 33 are installed at the opposite ends of the two slide bars 32, and the long plates 33 are slidably connected to the processing table 1. The two square holes 31 are rotatably connected with a screw rod 34, and the screw rod 34 is threadedly connected to the slide bar 32. A long rod 35 is commonly connected between the two screws 34, and the long rod 35 rotates in the processing table 1. A passive bevel gear 36 is installed on the outer surface of the long rod 35, and a rotating rod 37 is rotatably connected in the processing table 1, and an active bevel gear is installed at one end of the rotating rod 37. 38, a turning handle 39 is installed at the other end of the turning rod 37; the operating table 4 is set on the processing table 1, and by turning the turning handle 39, the turning rod 37 is driven to rotate, the active bevel gear 38 is driven to rotate, the passive bevel gear 36 is driven to rotate, the long rod 35 is driven to rotate, the two screws 34 are driven to rotate, the slide bar 32 is driven to slide in the square hole 31, and the long plate 33 is driven to slide on the processing table 1. When the long plate 33 slides into the clamping hole 9, the operating table 4 can be limited, and the casting can be positioned by the positioning component 6 on the operating table 4. Otherwise, the processing table 1 can be used for other operations.

[0026] like Figure 2 As shown, in some embodiments, the active bevel gear 38 and the passive bevel gear 36 are meshed with each other, which is convenient for installation.

[0027] like Figure 4 As shown, in some embodiments, the long plate 33 slides in the clamping hole 9 to facilitate positioning of the operating platform 4.

[0028] like Figure 3 As shown, in some embodiments, the positioning assembly 6 includes a support block 65 installed on one side of the upper end of the fixing plate 7, a servo motor 66 is installed on the support block 65, a slider 61 is slidably connected in the two rectangular holes 8, a screw rod 62 is rotatably connected in the two rectangular holes 8, the screw rod 62 is threadedly connected to the slider 61, an I-shaped wheel 63 is installed on the upper end of the two screw rods 62, a belt 64 is transmitted between the two I-shaped wheels 63, the output end of the servo motor 66 is connected to one of the I-shaped wheels 63, and the two guide grooves 5 are slidably connected in the two guide grooves 5. The guide blocks 67 are rotatably connected, and the upper ends of the two guide blocks 67 are both installed with clamping plates 68. The two clamping plates 68 are rotatably connected with rotating plates 69, and the two rotating plates 69 are rotatably connected with the two sliders 61 respectively; the servo motor 66 drives the I-shaped wheel 63 to rotate, drives the belt 64 to drive, drives the two screw rods 62 to rotate, drives the slider 61 to slide, and thus through the rotation of the rotating plate 69, drives the clamping plates 68 to slide as the guide blocks 67 slide in the guide groove 5, thereby completing the limiting fixation of the casting through the two clamping plates 68.

[0029] like Figure 3 As shown, in some embodiments, the slider 61 is H-shaped, which has a good limiting effect.

[0030] like Figure 3 As shown, in some embodiments, the screw rods 62 have the same rotation direction, which facilitates clamping and limiting the two sides of the casting.

[0031] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. 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.

Claims

1. A positioning fixture for casting processing, comprising a processing table (1) and an operating table (4), characterized in that: A supporting leg (2) is installed at the bottom end of the processing table (1), a fixing plate (7) is installed at the upper end of the operating table (4), guide grooves (5) are provided on both sides of the upper end of the operating table (4), a positioning component (6) is provided on the fixing plate (7), a mounting component (3) is provided inside the processing table (1), two rectangular holes (8) are provided on the fixing plate (7), and two clamping holes (9) are provided at both ends of the operating table (4); The mounting assembly (3) comprises two square holes (31) provided in the processing table (1), wherein a slide bar (32) is slidably connected in the two square holes (31), two long plates (33) are installed at opposite ends of the two slide bars (32), and the long plates (33) are slidably connected to the processing table (1), and screw rods (34) are rotatably connected in the two square holes (31), wherein the screw rods (34) are threadedly connected to the slide bar (32), and a long rod (35) is commonly connected between the two screw rods (34), wherein the long rod (35) rotates in the processing table (1), and a passive bevel gear (36) is installed on the outer surface of the long rod (35), and a rotating rod (37) is rotatably connected in the processing table (1), wherein one end of the rotating rod (37) is installed with an active bevel gear (38), and the other end of the rotating rod (37) is installed with a rotating handle (39).

2. A positioning fixture for casting processing according to claim 1, characterized in that: The active bevel gear (38) and the passive bevel gear (36) are meshed with each other.

3. A positioning fixture for casting processing according to claim 1, characterized in that: The long plate (33) slides in the clamping hole (9).

4. A positioning fixture for casting processing according to claim 1, characterized in that: The positioning assembly (6) comprises a support block (65) mounted on one side of the upper end of the fixing plate (7), a servo motor (66) being mounted on the support block (65), a slider (61) being slidably connected in the two rectangular holes (8), a screw rod (62) being rotatably connected in the two rectangular holes (8), the screw rod (62) being threadedly connected to the slider (61), an I-shaped wheel (63) being mounted on the upper ends of the two screw rods (62), a belt (64) being commonly transmitted between the two I-shaped wheels (63), an output end of the servo motor (66) being connected to one of the I-shaped wheels (63), a guide block (67) being slidably connected in the two guide grooves (5), a clamping plate (68) being mounted on the upper ends of the two guide blocks (67), a rotating plate (69) being rotatably connected to the two clamping plates (68), and the two rotating plates (69) being rotatably connected to the two sliders (61) respectively.

5. A positioning fixture for casting processing according to claim 4, characterized in that: The sliding block (61) is H-shaped.

6. A positioning fixture for casting processing according to claim 4, characterized in that: The screw rods (62) have the same rotation direction.

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