Convenient-to-adjust clamp for precision casting production

Abstract

The utility model discloses a clamp convenient to adjust and used for precise casting production, relates to the technical field of casting production, and solves the problems that the fixing effect on a round casting is not ideal, and the round casting is prone to moving in the machining process. The clamp can be conveniently supported by arranging the bottom plate, the stand columns and the bearing plate, square castings can be conveniently clamped and fixed by arranging the positioning frame, the first electric air cylinder and the pressing plate, follow-up grinding machining of the square castings is facilitated, and by arranging the positioning barrel, the second electric air cylinder and the arc-shaped clamping plate, the machining efficiency is improved. According to the clamp for casting production, some circular castings can be conveniently clamped and fixed, the fixing effect on the circular castings is improved, follow-up grinding machining on the circular castings is facilitated, the square castings and the circular castings can be clamped and fixed, the fixing effect is good, movement cannot be generated in the machining process, and use is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to foundry production technical field especially is related to a clamp convenient to adjust for precision casting production. BACKGROUND

[0002] Casting is a metal molding object obtained by various casting methods, that is, pouring, injection, suction or other casting methods are used to pour the liquid metal into the prepared casting mold, and the obtained object with certain shape, size and performance is obtained after cooling and subsequent processing means such as polishing. Precision casting refers to the general term of precision casting process. After the casting is processed, the casting needs to be polished. When polishing, a clamp is needed to assist from the side to ensure the precision of the casting during polishing. The clamp currently used can meet the normal fixing requirements, but it still has defects in actual use.

[0003] For example, the authorized announcement number is CN217255506U, a clamp convenient to adjust for precision casting production is provided. The clamp is provided with an adjusting assembly. The sliding table slides on the outside of the base through the sliding groove and the sliding block. The gear and the rack plate are engaged and connected. When one group of sliding tables is pushed and adjusted, the other group also moves synchronously, improving the convenience of operation. The scale, observation window and marker block are provided to ensure the accuracy of the adjustment, improve the ease of use and applicability, effectively prevent the need to rotate the lead screw to move the clamp block away when processing and polishing different castings, and the operation is complicated. Long-term rotation of the lead screw can cause damage to the wrist.

[0004] However, the clamp has limited use and can only clamp and fix some square castings. When clamping and fixing round castings, the fixing effect is not ideal, and the round castings are easy to move during processing. Therefore, a clamp convenient to adjust for precision casting production is needed. Utility model content

[0005] In order to improve the problem of ideal fixing effect of round castings and easy movement during processing, the utility model provides a clamp convenient to adjust for precision casting production.

[0006] The utility model provides a clamp convenient to adjust for precision casting production, adopts the following technical scheme:

[0007] The utility model provides a convenient to adjust clamp for precision casting production, including bottom plate, the left side of bottom plate top is rotatably connected with stand through bearing, the top of stand is fixedly connected with bearing plate, the top of bearing plate is fixedly connected with drive box, the inner chamber of drive box is provided with lifting mechanism, the left and right sides of lifting mechanism all are fixedly connected with push rod,

[0008] The right side of right side push rod is fixedly connected with positioning frame, the top of positioning frame is fixedly connected with first electric cylinder, the telescopic end of first electric cylinder is fixedly connected with pressing plate,

[0009] The left side of left side push rod is fixedly connected with positioning cylinder, the top of positioning cylinder is fixedly connected with second electric cylinder, the telescopic end of second electric cylinder is fixedly connected with arc clamping plate.

[0010] Through adopt above technical scheme, not only can convenient to some square type casting is fixed, be convenient to square type casting carries out subsequent polishing processing, can also be convenient to some round casting is fixed, improve the fixed effect of round casting, be convenient to round casting carries out subsequent polishing processing, the clamp of the utility model can be fixed respectively to square and round casting, and the fixed effect is good, and it will not move in the processing process, convenient to use.

[0011] Optionally, the lifting mechanism comprises a servo motor, the servo motor is fixedly installed at the bottom of the inner cavity of the drive box, the output end of the servo motor is fixedly connected with a threaded rod, the top of the threaded rod is rotatably connected with the inner cavity of the drive box, the top of the outer surface of the threaded rod is threadedly connected with a threaded sleeve, and the threaded sleeve is fixedly connected with the push rod.

[0012] Through the above technical scheme, the push rod, the positioning frame and the positioning cylinder can be driven to move up and down, the height of the clamp can be fine-tuned, and the height of the fixed casting can be fine-tuned, which facilitates subsequent processing of the casting.

[0013] Optionally, a through hole is formed in the front position on the top of the bearing plate, a limiting rod is movably connected to the inner surface of the through hole, limiting holes matched with the limiting rod are formed in the front and rear positions on the left side of the top of the bottom plate, and the outer surface of the limiting rod is inserted into the inner surface of the limiting hole.

[0014] Through the above technical scheme, the bearing plate can be conveniently rotated, and the bearing plate can be fixed after adjustment.

[0015] Optionally, a limiting ring is fixedly connected to the bottom of the outer surface of the limiting rod, a compression spring is movably connected to the outer surface of the limiting rod and above the limiting ring, the top of the compression spring is fixedly connected to the bottom of the bearing plate, and the bottom of the compression spring is fixedly connected to the top of the bottom plate.

[0016] By adopting the technical scheme, the connection tightness between the limiting rod and the limiting hole can be improved.

[0017] Optionally, the front surface of the threaded sleeve is fixedly connected with a sliding block, and the front surface of the inner cavity of the driving box is provided with a sliding groove matched with the sliding block.

[0018] By adopting the technical scheme, the movement of the threaded sleeve can be guided and limited.

[0019] Optionally, the left and right sides of the driving box are provided with through grooves, and the outer surface of the push rod is slidably connected with the inner surface of the through grooves.

[0020] By adopting the technical scheme, the push rod can be conveniently moved.

[0021] Optionally, the bottom of the left and right sides of the front surface and the back surface of the bottom plate is fixedly connected with a mounting plate, and the top of the mounting plate is provided with a mounting hole.

[0022] By adopting the technical scheme, the bottom plate can be conveniently mounted and fixed.

[0023] In summary, the utility model has the following beneficial effects:

[0024] 1. The utility model discloses a bottom plate, a stand and a bearing plate are set up, can conveniently support the clamp, set up the positioning frame, first electric cylinder and the pressing plate, can conveniently hold and fix some square castings, is convenient for the subsequent polishing processing of square castings, set up the positioning cylinder, second electric cylinder and arc clamping plate, can conveniently hold and fix some round castings, improve the fixed effect of round castings, and it is convenient for the subsequent polishing processing of round castings, and the clamp for cast production can hold and fix square and round castings respectively, and the fixed effect is good, and will not move in the processing, and convenient to use.

[0025] 2. The utility model discloses a servo motor, threaded rod and threaded sleeve are set up, can drive push rod, positioning frame and positioning cylinder to move up and down, and the height of clamp is fine adjusted, thereby can fine adjust the height of fixed castings, and it is convenient for the subsequent processing of castings. DRAWINGS

[0026] Figure 1 It is the structure schematic diagram of the utility model;

[0027] Figure 2 It is the sectional view of the structure of the utility model;

[0028] Figure 3 It is the left view sectional view of the structure of the utility model;

[0029] Figure 4 The utility model discloses a structure Figure 3 The partial enlarged view of A in the figure.

[0030] In the figure: 1, bottom plate, 2, stand, 3, bearing plate, 4, drive box, 5, lifting mechanism, 501, servo motor, 502, threaded rod, 503, threaded sleeve, 6, push rod, 7, positioning frame, 8, first electric cylinder, 9, pressing plate, 10, positioning cylinder, 11, second electric cylinder, 12, arc clamping plate, 13, through hole, 14, limiting rod, 15, limiting hole, 16, limiting ring, 17, compression spring, 18, sliding block, 19, sliding slot. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model. Embodiment one

[0032] Please refer to Figures 1-4 A clamp convenient to adjust for precision casting production, including bottom plate 1, the left side of bottom plate 1 top is rotatedly connected with stand 2 through bearing, the top of stand 2 is fixedly connected with bearing plate 3, the top of bearing plate 3 is fixedly connected with drive box 4, the inner chamber of drive box 4 is provided with lifting mechanism 5, and the left and right sides of lifting mechanism 5 are all fixedly connected with push rod 6;

[0033] The right side of right push rod 6 is fixedly connected with positioning frame 7, the top of positioning frame 7 is fixedly connected with first electric cylinder 8, and the telescopic end of first electric cylinder 8 is fixedly connected with pressing plate 9.

[0034] The left side of left push rod 6 is fixedly connected with positioning cylinder 10, the top of positioning cylinder 10 is fixedly connected with second electric cylinder 11, and the telescopic end of second electric cylinder 11 is fixedly connected with arc clamping plate 12.

[0035] As a technical optimization scheme of the utility model, further, the front position of the top of bearing plate 3 is provided with through hole 13, the inner surface of through hole 13 is movably connected with limiting rod 14, the front and rear positions of the left side of the top of bottom plate 1 are all provided with limiting hole 15 used in cooperation with limiting rod 14, and the outer surface of limiting rod 14 is inserted with the inner surface of limiting hole 15.

[0036] As a technical optimization scheme of the utility model, further, the bottom of the outer surface of the limiting rod 14 is fixedly connected with a limiting ring 16, and the outer surface of the limiting rod 14 is movably connected with a compression spring 17 above the limiting ring 16.

[0037] As a technical optimization scheme of the utility model, further, the left and right sides of the driving box 4 are provided with through grooves, and the outer surface of the push rod 6 is slidably connected with the inner surface of the through grooves.

[0038] As a technical optimization scheme of the utility model, further, the bottom of the outer surface of the limiting rod 14 is fixedly connected with a limiting ring 16, and the outer surface of the limiting rod 14 is movably connected with a compression spring 17 above the limiting ring 16.

[0039] In the embodiment, the bottom plate 1, the driving box 4 and the bearing plate 3 are arranged, so that the clamp can be conveniently supported; the positioning frame 7, the first electric cylinder 8 and the pressing plate 9 are arranged, so that some square castings can be clamped and fixed, and subsequent polishing processing of the square castings is facilitated; the positioning cylinder 10, the second electric cylinder 11 and the arc-shaped clamping plate 12 are arranged, so that some circular castings can be clamped and fixed, the fixing effect of the circular castings is improved, and subsequent polishing processing of the circular castings is facilitated; the through hole 13, the limiting rod 14 and the limiting hole 15 are arranged, so that the bearing plate 3 can be conveniently rotated, and then the clamp can be conveniently rotated, the positions of the two clamps can be adjusted, and the castings can be conveniently processed; the limiting ring 16 and the compression spring 17 are arranged, so that the connection tightness between the limiting rod 14 and the limiting hole 15 is improved; the through groove is arranged, so that the push rod 6 can be conveniently moved up and down; the mounting plate and the mounting hole are arranged, so that the bottom plate 1 can be conveniently mounted. Embodiment two

[0040] Refer to Figure 2 And Figure 3 The lifting mechanism 5 comprises a servo motor 501, the servo motor 501 is fixedly installed at the bottom of the inner cavity of the driving box 4, the output end of the servo motor 501 is fixedly connected with a threaded rod 502, the top of the threaded rod 502 is rotatably connected with the connecting position between the top of the inner cavity of the driving box 4 and the bearing, the top of the outer surface of the threaded rod 502 is threadedly connected with a threaded sleeve 503, and the connecting position between the threaded sleeve 503 and the push rod 6 is fixedly connected.

[0041] As a technical optimization scheme of the utility model, further, the front surface of the threaded sleeve 503 is fixedly connected with a sliding block 18, the front surface of the inner cavity of the driving box 4 is provided with a sliding groove 19 matched with the sliding block 18, and the outer surface of the sliding block 18 is slidably connected with the inner surface of the sliding groove 19.

[0042] In the embodiment: by setting servo motor 501, threaded rod 502 and threaded sleeve 503, push rod 6, positioning frame 7 and positioning cylinder 10 can be driven to move up and down, the height of the clamp is fine-tuned, so that the height of the fixed casting is fine-tuned, and subsequent processing of the casting is facilitated, and by setting sliding block 18 and sliding groove 19, the movement of threaded sleeve 503 can be guided and limited.

[0043] The utility model discloses the implementation principle is: when needing opposite type casting to carry out clamping processing, the opposite type casting is placed in the positioning frame 7, starts the control switch of first electric cylinder 8, and first electric cylinder 8 drives the pressing plate 9 to move down, and the opposite type casting is clamped and fixed, then opposite type casting is processed, when needing to the circular casting tension clamping processing, pull up the limit rod 14, make limit rod 14 get off the front limit hole 15, rotate limit rod 14 one hundred and eighty degrees, loosen limit rod 14, push limit rod 14 down through the action of compression spring 17, insert limit rod 14 into rear limit hole 15, move positioning cylinder 10 to right side, then one end of circular casting is placed in positioning cylinder 10, and the control switch of second electric cylinder 11 is started, and second electric cylinder 11 drives arc clamping plate 12 to move down, and the circular casting is clamped and fixed, then the circular casting is processed, the clamp for casting production can be clamped and fixed to opposite type and circular casting respectively, and the fixing effect is good, does not produce the movement in the processing, and convenient to use.

[0044] The above are preferred embodiments of the utility model, and not limit the protection scope of the utility model, therefore: all equivalent changes made according to the structure, shape, principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. An easily adjustable fixture for precision casting production, comprising a base plate (1), characterized in that: A column (2) is rotatably connected to the top left side of the base plate (1) via a bearing. A bearing plate (3) is fixedly connected to the top of the column (2). A drive box (4) is fixedly connected to the top of the bearing plate (3). A lifting mechanism (5) is provided in the inner cavity of the drive box (4). Push rods (6) are fixedly connected to both the left and right sides of the lifting mechanism (5). A positioning frame (7) is fixedly connected to the right side of the push rod (6) on the right side. A first electric cylinder (8) is fixedly connected to the top of the positioning frame (7). A pressure plate (9) is fixedly connected to the telescopic end of the first electric cylinder (8). A positioning cylinder (10) is fixedly connected to the left side of the push rod (6) on the left side. A second electric cylinder (11) is fixedly connected to the top of the positioning cylinder (10). An arc-shaped clamp (12) is fixedly connected to the telescopic end of the second electric cylinder (11).

2. The adjustable fixture for precision casting production according to claim 1, characterized in that: The lifting mechanism (5) includes a servo motor (501), which is fixedly installed at the bottom of the inner cavity of the drive box (4). The output end of the servo motor (501) is fixedly connected to a threaded rod (502). The top of the threaded rod (502) is rotatably connected to the top of the inner cavity of the drive box (4) through a bearing. The top of the outer surface of the threaded rod (502) is threadedly connected to a threaded sleeve (503), which is fixedly connected to the push rod (6).

3. The adjustable fixture for precision casting production according to claim 1, characterized in that: A through hole (13) is provided at the front position of the top of the bearing plate (3). A limit rod (14) is movably connected to the inner surface of the through hole (13). Limiting holes (15) are provided at the front and rear positions of the top left side of the bottom plate (1) to cooperate with the limit rod (14). The outer surface of the limit rod (14) is inserted into the inner surface of the limit hole (15).

4. The adjustable fixture for precision casting production according to claim 3, characterized in that: A limiting ring (16) is fixedly connected to the bottom of the outer surface of the limiting rod (14), and a compression spring (17) is movably connected to the outer surface of the limiting rod (14) and above the limiting ring (16).

5. The adjustable fixture for precision casting production according to claim 2, characterized in that: The threaded sleeve (503) is fixedly connected to a slider (18) on the front side. The drive box (4) has a groove (19) on the front side that is used to cooperate with the slider (18). The outer surface of the slider (18) is slidably connected to the inner surface of the groove (19).

6. The adjustable fixture for precision casting production according to claim 1, characterized in that: The drive box (4) has through slots on both the left and right sides, and the outer surface of the push rod (6) is slidably connected to the inner surface of the through slot.

7. The adjustable fixture for precision casting production according to claim 1, characterized in that: The bottom of the base plate (1) is fixedly connected to the bottom of the left and right sides of the front and back sides, and the top of the mounting plate is provided with mounting holes.

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