Adjustable positioning clamp for mold base machining

Abstract

The utility model discloses an adjustable positioning fixture for mould base processing, which relates to the technical field of mould base processing and comprises a platform, two cross beam frames are slidably connected onto the platform and are parallel to each other, a first two-way screw is rotatably connected to the bottom of the platform, and a second two-way screw is rotatably connected to the bottom of the platform. The two cross beam frames are arranged on the outer side of the first two-way screw in a threaded and sleeving mode, a second two-way screw is rotationally connected to the inner wall of a groove formed in the upper portion of each cross beam frame, and two external threads arranged in a mirror symmetry mode are arranged on the outer side of each of the first two-way screw and the second two-way screw; according to the adjustable positioning clamp for mold frame machining, the two cross beam frames capable of adjusting the distance between the two cross beam frames are arranged, and the two upper clamping mechanisms capable of adjusting the distance between the two cross beam frames are arranged on the cross beam frames; in this way, the clamp can be correspondingly adjusted according to the specification and size of the mold base, and therefore the applicability of the clamp for mold base machining can be effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mold frame processing, in particular to an adjustable positioning fixture for mold frame processing. Background Art

[0002] Molds are now used in every product, from automobiles and aerospace to consumer goods, electrical appliances and communications, and medical devices. Any product produced in large quantities requires a mold, and the mold frame is an integral part of the mold. The mold frame is a semi-finished product, or the exterior of the mold, composed of various steel plates and components. It can be said to be the skeleton of the entire mold. During mold frame processing, it needs to be stabilized for ease of processing, so a clamping device is required to secure the mold frame.

[0003] Since different mold frames currently have different sizes and specifications, existing fixtures cannot adapt to mold frames of different sizes and specifications. Therefore, after processing a mold frame, it needs to be dismantled and replaced, thereby reducing the work efficiency of mold frame processing. Utility Model Content

[0004] The purpose of the utility model is to provide an adjustable positioning fixture for mold frame processing, so as to solve the problem of low applicability of the current fixture for mold frame processing proposed in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: an adjustable positioning fixture for mold frame processing, comprising a platform, wherein the platform is slidably connected to two cross beam frames, the two cross beam frames are arranged parallel to each other, and the bottom of the platform is rotatably connected to a first bidirectional screw, the two cross beam frames are both threadedly sleeved on the outer side of the first bidirectional screw, and a second bidirectional screw is rotatably connected on the inner wall of the groove opened on the upper part of the cross beam frame, the outer sides of the first bidirectional screw and the second bidirectional screw are respectively provided with two mirror-symmetrical external threads, the two cross beam frames are respectively threadedly sleeved on the two external threads in the first bidirectional screw, and the outer side threads of the second bidirectional screw are sleeved with two upper clamping mechanisms, the upper clamping mechanism is slidably connected to the inner wall of the groove, a lower support plate is provided at the center of the upper part of the platform, and a lifting mechanism that drives the lower support plate to rise and fall is provided on the platform, the two upper clamping mechanisms are respectively threadedly sleeved on the two external threads in the second bidirectional screw, the first bidirectional screw and the second bidirectional screw are arranged perpendicular to each other, and one end of the first bidirectional screw and the second bidirectional screw are fixedly connected to a rocking plate, and the rocking plate is located on the outer side of the platform.

[0006] Preferably, a telescopic rod is provided between the two cross beams, both ends of the telescopic rod are fixedly connected with a sleeve, the sleeve is rotatably connected to the end of the cross beam, both ends of the telescopic rod and one end of the two second bidirectional screws are fixedly connected with bevel gears, and each adjacent two bevel gears are meshed and connected with each other.

[0007] Preferably, the telescopic rod includes a thick rod and a thin rod, one end of the thin rod is slidably connected to a thin groove opened at one end of the thick rod, the outer sliding sleeve of the thick rod is provided with a fixed plate, and the fixed plate is fixedly connected to the upper part of the platform, the vertical cross-section of the thin rod is a hexagonal structure, and the vertical cross-section of the thin groove is a hexagonal cavity.

[0008] Preferably, the lifting mechanism includes a cylinder, a mounting groove is provided at the center of the upper part of the platform, the cylinder is installed on the inner wall of the mounting groove, and the telescopic end of the cylinder is fixedly connected to the bottom of the lower support plate, and the four corners of the bottom of the lower support plate are fixedly connected with a support rod, the outer sliding sleeve of the support rod is provided with a support tube, the support tube is fixedly connected to the upper part of the platform, and the cylinder is connected to the air pump drive.

[0009] Preferably, the upper clamping mechanism includes a slider, a threaded rod and an L rod, the bottom end of the L rod is fixedly connected to the top end of the threaded rod, the bottom end of the threaded rod is slidably connected to a slide groove opened on the upper part of the slider, the outer thread sleeve of the threaded rod is provided with a threaded tube, and the threaded tube is rotatably connected to the top of the slider, and the slider is threadedly sleeved on the outer side of the second bidirectional screw through a threaded hole opened on one side.

[0010] Preferably, the crossbeam frame includes two long rods, a connecting plate distributed in a linear array is fixedly connected between the two long rods, and the two long rods are respectively slidably connected to the upper and lower sides of the platform, and a wire groove is opened at the corresponding position of the platform relative to each connecting plate, and the connecting plate is slidably connected in the wire groove cavity.

[0011] Preferably, support columns are fixedly connected to the four corners of the bottom of the platform.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. The present application provides two crossbeams with adjustable spacing, and two upper clamping mechanisms with adjustable spacing on the crossbeams. In this way, the clamp can be adjusted accordingly according to the size of the mold frame, thereby effectively improving the applicability of the clamp for mold frame processing.

[0014] 2. This application sets and lifts a lower support plate, and a cylinder that drives the lower support plate to lift and lower, so that the bottom of the mold frame can be partially suspended, and the suspension height can be adjusted according to actual needs. At the same time, the mold frame can also be fixed, thereby effectively improving the stability and practicality of the fixture used for mold frame processing.

[0015] 3. The present application uses a telescopic rod to make the position adjustment of each upper clamping mechanism simple and convenient, which can effectively improve the ease of use of the clamp for mold frame processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a frontal perspective schematic diagram of an overall adjustable positioning fixture for mold frame processing according to the present invention;

[0017] Figure 2 This is a bottom-up stereoscopic schematic diagram of an adjustable positioning fixture for mold frame processing according to the present invention;

[0018] Figure 3 This is a schematic cross-sectional view of the overall structure of an adjustable positioning fixture for mold frame processing according to the present invention;

[0019] Figure 4 The utility model is a three-dimensional schematic diagram of the coordination of the telescopic rod, the crossbeam frame and the upper clamping mechanism of the adjustable positioning fixture for mold frame processing.

[0020] Numbers in the figure: 1. Platform; 2. Crossbeam; 201. Long rod; 202. Connecting plate; 3. First bidirectional screw; 4. Second bidirectional screw; 5. Upper clamping mechanism; 501. Slider; 502. Threaded rod; 503. L rod; 504. Threaded tube; 6. Lower support plate; 7. Telescopic rod; 701. Thick rod; 702. Thin rod; 8. Bevel gear; 9. Fixed plate; 10. Cylinder; 11. Support rod; 12. Support column. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] Example: Figure 1 - Figure 4As shown, the utility model provides a technical solution of an adjustable positioning fixture for mold frame processing, including a platform 1, two cross beams 2 are slidably connected to the platform 1, the two cross beams 2 are arranged parallel to each other, a first bidirectional screw 3 is rotatably connected to the bottom of the platform 1, the two cross beams 2 are threadedly sleeved on the outside of the first bidirectional screw 3, a second bidirectional screw 4 is rotatably connected to the inner wall of the groove opened on the upper part of the cross beam 2, the outer sides of the first bidirectional screw 3 and the second bidirectional screw 4 are provided with two external threads arranged in a mirror-symmetrical manner, and the two cross beams 2 are respectively threadedly sleeved on the first On the two external threads in the bidirectional screw 3, the outer thread of the second bidirectional screw 4 is sleeved with two upper clamping mechanisms 5, the upper clamping mechanisms 5 are slidably connected to the inner wall of the groove, a lower abutment plate 6 is provided at the center of the upper part of the platform 1, and a lifting mechanism for driving the lower abutment plate 6 to rise and fall is provided on the platform 1, the two upper clamping mechanisms 5 are respectively threadedly sleeved on the two external threads in the second bidirectional screw 4, the first bidirectional screw 3 and the second bidirectional screw 4 are arranged perpendicular to each other, and one end of the first bidirectional screw 3 and the second bidirectional screw 4 are fixedly connected to a rocking plate, which is located on the outer side of the platform 1;

[0023] The first bidirectional screw 3 is rotated according to the length specification of the mold frame, and the first bidirectional screw 3 drives the two cross beams 2 to move closer to or away from each other; wherein, the second bidirectional screw 4 is rotated according to the width specification of the mold frame, and the second bidirectional screw 4 drives the two upper clamping mechanisms 5 on the cross beam 2 to move closer to or away from each other, so that the position of each upper clamping mechanism 5 can be adjusted to facilitate the upper clamping mechanism 5 to contact and clamp the upper part of the mold frame, and then the lower support plate 6 is driven by the lifting mechanism to lift the mold frame, so that the lower support plate 6 and the upper clamping mechanism 5 are used to clamp the mold frame.

[0024] like Figure 4 As shown, a telescopic rod 7 is provided between the two crossbeams 2, and both ends of the telescopic rod 7 are fixedly connected with sleeves, which are rotatably connected to the ends of the crossbeams 2. Both ends of the telescopic rod 7 and one end of the two second bidirectional screws 4 are fixedly connected with bevel gears 8, and every two adjacent bevel gears 8 are meshed and connected with each other;

[0025] By rotating one of the second bidirectional screws 4, the second bidirectional screw 4 drives the telescopic rod 7 to rotate using the corresponding two bevel gears 8, and the telescopic rod 7 drives the other second bidirectional screw 4 to rotate together using the corresponding two bevel gears 8, so that the upper clamping mechanisms 5 on the two crossbeam frames 2 have the same movement direction and distance.

[0026] like Figure 4 As shown, the telescopic rod 7 includes a thick rod 701 and a thin rod 702. One end of the thin rod 702 is slidably connected to a thin groove opened at one end of the thick rod 701. A fixed plate 9 is provided on the outer sliding sleeve of the thick rod 701. The fixed plate 9 is fixedly connected to the upper part of the platform 1. The vertical cross-section of the thin rod 702 is a hexagonal structure, and the vertical cross-section of the thin groove is a hexagonal cavity.

[0027] The coordinated arrangement of the thick rod 701 and the thin rod 702 facilitates the adaptation of the telescopic rod 7 to the changes in the spacing between the crossbeams 2 .

[0028] like Figure 3 As shown, the lifting mechanism includes a cylinder 10. A mounting groove is provided at the center of the upper portion of the platform 1. The cylinder 10 is mounted on the inner wall of the mounting groove, and the telescopic end of the cylinder 10 is fixedly connected to the bottom of the lower support plate 6. The four corners of the bottom of the lower support plate 6 are fixedly connected to support rods 11. The outer sliding sleeve of the support rod 11 is provided with a support tube, which is fixedly connected to the upper portion of the platform 1. The cylinder 10 is connected to the air pump drive.

[0029] The cylinder 10 is used to drive the lower support plate 6 to move up and down, thereby using the lower support plate 6 to lift the mold frame.

[0030] like Figure 4 As shown, the upper clamping mechanism 5 includes a slider 501, a threaded rod 502 and an L rod 503. The bottom end of the L rod 503 is fixedly connected to the top end of the threaded rod 502. The bottom end of the threaded rod 502 is slidably connected to the slide groove opened on the upper part of the slider 501. The outer threaded sleeve of the threaded rod 502 is provided with a threaded tube 504. The threaded tube 504 is rotatably connected to the top of the slider 501. The slider 501 is threadedly sleeved on the outer side of the second bidirectional screw 4 through a threaded hole opened on one side.

[0031] When the four corners of the mold frame have different heights, the corresponding threaded tube 504 can be rotated according to the change in the height of the mold frame corner. In this way, the height of the L rod 503 in this area can be adjusted to adapt to the mold frame of this specification and facilitate the fixation of the mold frame.

[0032] The L-bar 503 rests against the upper portion of the mold frame.

[0033] like Figure 4 As shown, the crossbeam frame 2 includes two long rods 201, and a connecting plate 202 distributed in a linear array is fixedly connected between the two long rods 201, and the two long rods 201 are respectively slidably connected to the upper and lower sides of the platform 1. A wire groove is opened at the corresponding position of the platform 1 relative to each connecting plate 202, and the connecting plate 202 is slidably connected in the wire groove cavity.

[0034] like Figure 1 - Figure 3 As shown, support columns 12 are fixedly connected to the four corners of the bottom of the platform 1.

[0035] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. An adjustable positioning fixture for mold frame processing, comprising a platform (1), characterized in that: Two crossbeams (2) are slidably connected to the platform (1), and a first bidirectional screw (3) is rotatably connected to the bottom of the platform (1). The two crossbeams (2) are both threadedly sleeved on the outside of the first bidirectional screw (3). A second bidirectional screw (4) is rotatably connected to the inner wall of a groove provided on the upper part of the crossbeam (2). Two upper clamping mechanisms (5) are threadedly sleeved on the outer side of the second bidirectional screw (4). The upper clamping mechanisms (5) are slidably connected to the inner wall of the groove. A lower support plate (6) is provided at the center of the upper part of the platform (1), and a lifting mechanism for driving the lower support plate (6) to rise and fall is provided on the platform (1).

2. The adjustable positioning fixture for mold frame processing according to claim 1, characterized in that: A telescopic rod (7) is provided between the two crossbeam frames (2), both ends of the telescopic rod (7) are fixedly connected with sleeves, and the sleeves are rotatably connected to the ends of the crossbeam frames (2), and both ends of the telescopic rod (7) and one end of the two second bidirectional screw rods (4) are fixedly connected with bevel gears (8), and every two adjacent bevel gears (8) are meshed and connected with each other.

3. The adjustable positioning fixture for mold frame processing according to claim 2, characterized in that: The telescopic rod (7) comprises a thick rod (701) and a thin rod (702), one end of the thin rod (702) is slidably connected to a thin groove provided at one end of the thick rod (701), and a fixed plate (9) is provided on the outer sliding sleeve of the thick rod (701), and the fixed plate (9) is fixedly connected to the upper part of the platform (1).

4. The adjustable positioning fixture for mold frame processing according to claim 1, characterized in that: The lifting mechanism includes a cylinder (10), a mounting groove is provided at the center of the upper part of the platform (1), the cylinder (10) is installed on the inner wall of the mounting groove, and the telescopic end of the cylinder (10) is fixedly connected to the bottom of the lower support plate (6), and the four corners of the bottom of the lower support plate (6) are fixedly connected to support rods (11), and the outer sliding sleeve of the support rod (11) is provided with a support tube, which is fixedly connected to the upper part of the platform (1).

5. The adjustable positioning fixture for mold frame processing according to claim 1, characterized in that: The upper clamping mechanism (5) includes a slider (501), a threaded rod (502) and an L rod (503), the bottom end of the L rod (503) is fixedly connected to the top end of the threaded rod (502), the bottom end of the threaded rod (502) is slidably connected to a slide groove opened on the upper part of the slider (501), the outer thread of the threaded rod (502) is provided with a threaded tube (504), the threaded tube (504) is rotatably connected to the top of the slider (501), and the slider (501) is threadedly sleeved on the outer side of the second bidirectional screw (4) through a threaded hole opened on one side.

6. The adjustable positioning fixture for mold frame processing according to claim 1, characterized in that: The crossbeam frame (2) comprises two long rods (201), a connecting plate (202) distributed in a linear array is fixedly connected between the two long rods (201), and the two long rods (201) are slidably connected to the upper and lower sides of the platform (1), respectively, and a wire groove is provided at a corresponding position of the platform (1) relative to each connecting plate (202), and the connecting plate (202) is slidably connected in the wire groove cavity.

7. The adjustable positioning fixture for mold frame processing according to claim 1, characterized in that: Support columns (12) are fixedly connected to the four corners of the bottom of the platform (1).

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