CN111546108A - Inclination-adjustable clamp - Google Patents

Abstract

The invention discloses a clamp with adjustable inclination, which comprises a base plate, a movable plate, a cross adjusting assembly and a clamping assembly, wherein the movable plate is arranged on the base plate through three movable adjusting assemblies, each movable adjusting assembly comprises a first stud, a supporting cylinder and an adjusting piece, the movable plate is provided with a first through hole through which the first stud can pass, the front end of the first stud is in threaded connection with the base plate, the adjusting piece is sleeved on the first stud, the front end of the adjusting piece is in threaded connection with the inner wall of the first through hole, the front end of the adjusting piece props against the base plate, the supporting cylinder covers the adjusting piece, the first stud penetrates through the supporting cylinder, the head of the rear end of the first stud props against the movable plate through the supporting cylinder, and an adjusting window is formed on the side wall of the. The movable plate can tilt relative to the base plate by rotating any one of the adjusting pieces, the inclination of the workpiece is adjusted, the concentricity of the workpiece relative to the main shaft is finely adjusted, and the shaft parts are centered by adjusting the cross adjusting assembly. The invention has reasonable structure and can be widely applied to the technical field of mechanical manufacturing.

Description

A jig with adjustable inclination

technical field

The invention relates to the technical field of mechanical manufacturing, in particular to a clamp with adjustable inclination.

Background technique

The fixture is a device used to fix the processing object in the process of machinery manufacturing, so that it has the correct position to accept construction or inspection. In order to ensure the production quality of the product, when processing the workpiece on the machine tool, in order to make the geometric characteristics of the workpiece meet the drawing. According to the technical requirements of the specified size, geometric shape and mutual positional accuracy with other surfaces, the workpiece must be positioned and clamped before processing, so that qualified products can be produced. When the machine tool is processing workpieces such as shafts or discs, one end of the workpiece is clamped with a common machine tool chuck. It is difficult to center the workpiece and cannot be fine-tuned. Therefore, in the process of processing, the inclination cannot be adjusted, which may easily lead to the centering of the workpiece. Poor performance, affecting the processing quality.

SUMMARY OF THE INVENTION

In order to solve at least one of the above-mentioned technical problems and realize the fine-tuning of the concentricity of the workpiece relative to the main shaft of the machine tool, the present invention provides a fixture with adjustable inclination, and the adopted technical scheme is as follows:

The tilt-adjustable clamp provided by the present invention includes a base plate, a movable plate mounted on the base plate, a cross adjustment assembly installed on the movable plate, and a clamping assembly installed on the cross adjustment assembly. The movable plate is mounted on the base plate through three movable adjustment assemblies, and the three movable adjustment assemblies are evenly distributed along the circumference. The movable adjustment assemblies include a first stud, a support cylinder and an adjustment piece. There is a first through hole for the first stud to pass through, the front end of the first stud is screwed with the base plate, the adjusting member is sleeved on the first stud, and the adjusting member The front end of the adjusting piece is screwed with the inner wall of the first through hole, the front end of the adjusting member is against the base plate, the supporting cylinder covers the adjusting member, the first stud penetrates the supporting cylinder, the first The head of the rear end of a stud is pressed against the movable plate through the support cylinder, and an adjustment window is formed on the side wall of the support cylinder.

Further, N operation holes are formed along the circumference on the outer side of the rear end of the adjusting member, and N is not less than three, and each of the operation holes is evenly distributed along the circumference.

Further, the width of the adjustment window along the circumferential surface where the adjustment window is located is greater than one-Nth of the circumference of the circle where the adjustment window is located.

Further, the cross adjustment assembly includes a first adjustment assembly and a second adjustment assembly, the first adjustment assembly includes a first adjustment plate, the first adjustment plate is movably mounted on the movable plate, the first adjustment plate The second adjusting assembly includes a second adjusting plate, the second adjusting plate is movably mounted on the first adjusting plate, and the moving directions of the first adjusting plate and the second adjusting plate are perpendicular to each other.

Further, the first adjusting plate is mounted on the movable plate by screws, the first adjusting plate is formed with a first waist-shaped hole through which the screws can pass, and the second adjusting plate is mounted on the movable plate by screws. On the first adjustment plate, the second adjustment plate is formed with a second waist-shaped hole through which the screw can pass, and the length directions of the first waist-shaped hole and the second waist-shaped hole are perpendicular to each other.

Further, the first adjustment assembly includes a first adjustment screw, a first installation plate and a first support, the first adjustment plate is located between the first installation plate and the first support, and the first adjustment plate is located between the first installation plate and the first support. A support is installed on the movable plate, the first installation plate is installed on the side of the first adjustment plate by screws, the first adjustment screw passes through the first installation plate, the first adjustment plate The adjusting plate is formed with a second through hole through which the first adjusting screw can pass along its own moving direction, the first adjusting screw is threadedly connected with the second through hole, and the front end of the first adjusting screw is rotatable The second adjustment assembly includes a second adjustment screw, a second installation plate and a second support, and the second adjustment plate is located on the second installation plate and the first Between two supports, the second support is mounted on the first adjusting plate, the second mounting plate is mounted on the side of the second adjusting plate by screws, and the second adjusting screw passes through The second installation plate, the second adjustment plate is formed with a third through hole along the moving direction of the second adjustment plate for the second adjustment screw to pass through, and the second adjustment screw is screwed with the third through hole , the front end of the second adjusting screw is rotatably mounted on the second support.

Further, the rear end of the first adjusting screw is formed with one of a word groove, a cross groove and a quincunx groove, and the rear end of the second adjusting screw is formed with one of a word groove, a cross groove and a quincunx groove.

Further, the movable plate has a first chute for the first adjustment plate to move along, and the first adjustment plate has a second chute for the second adjustment plate to move along.

Further, the movable plate is arranged with two first guide parts, and the first chute is formed between the two first guide parts; the first adjustment plate is arranged with two second guide parts, two The second chute is formed between the second guide parts.

Further, the front end of the adjusting member is pressed against the base plate by a pair of spherical washers, and the head of the rear end of the first stud is pressed against the support cylinder by a pair of spherical washers.

Beneficial effects: The movable plate is installed on the base plate through three movable adjustment components evenly distributed along the circumference, and rotating any one of the adjustment pieces can make the movable plate tilt relative to the base plate, adjust the inclination of the workpiece, and fine-tune the workpiece relative to the spindle. Concentricity, by adjusting the cross adjustment components to ensure the alignment of shaft parts and ensure the machining accuracy. The invention has a reasonable structure and can be widely used in the technical field of mechanical manufacturing.

Description of drawings

Fig. 1 is the structure diagram of the fixture;

Figure 2 is an exploded view of the fixture;

Figure 3 is an exploded view of the active adjustment assembly;

FIG. 4 is a schematic diagram of the installation structure of the movable adjustment assembly, the base plate, the movable plate and the spherical washer.

Detailed ways

The present invention will be further described below with reference to FIGS. 1 to 4 .

The present invention relates to a clamp with adjustable inclination, which includes a base plate 11, a movable plate 12 installed on the base plate 11, a cross adjustment assembly installed on the movable plate 12, and a clamping assembly installed on the cross adjustment assembly. The base plate 11 is installed on the end face of the machine tool spindle, the movable plate 12 is installed on the side of the base plate 11, the cross adjustment assembly is installed on the movable plate 12, and the clamping assembly is installed on the cross adjustment assembly. The clamping component fixes the end of the workpiece, the left, right, up and down positions of the workpiece are adjusted through the cross adjustment component, and the concentricity between the workpiece and the machine tool spindle can be fine-tuned through the movable plate 12 .

The movable plate 12 is mounted on the base plate 11 through three movable adjustment components, and the three movable adjustment components are evenly distributed along the circumference. The first through hole through which the first stud 13 passes, the front end of the first stud 13 is threadedly connected to the base plate 11, the adjusting member 15 is sleeved on the first stud 13, and the front end of the adjusting member 15 is connected to the inner wall of the first through hole For screw connection, the front end of the adjusting member 15 is pressed against the base plate 11 . The support cylinder 14 covers the adjusting member 15 , the first stud 13 penetrates through the support cylinder 14 , and the head at the rear end of the first stud 13 presses against the movable plate 12 through the support cylinder 14 . Rotating one of the adjusting pieces 15 makes the movable plate 12 tilt a slight angle relative to the base plate 11, so as to achieve the purpose of fine-tuning the concentricity between the workpiece and the machine tool spindle. The first stud 13 fixes the movable plate 12, the adjusting member 15 and the base plate 11 through the support cylinder 14, so as to prevent loosening and thus affect the centering accuracy of the shaft parts.

Further, the front end of the adjusting member 15 is pressed against the base plate 11 by a pair of spherical washers, the head of the rear end of the first stud 13 is pressed against the support cylinder 14 by a pair of spherical washers, and the first stud 13 is pressed against the support cylinder 14 by the spherical washers and the support cylinder 14 . Fix the movable plate 12 , the adjusting piece 15 , the other pair of spherical washers and the base plate 11 . When the base plate 11 and the movable plate 12 are not parallel, since the spherical washer is installed, the adjustment effect will not be affected.

The outer rear end of the adjusting member 15 is formed with N operation holes along the circumference, N is not less than three, and each operation hole is evenly distributed along the circumference. The side wall of the support cylinder 14 is formed with an adjustment window. A tool is inserted into the operation hole through the adjustment window, thereby rotating the adjustment member 15 .

In order to make the operation hole switchable when the adjusting member 15 is rotated, the width of the circumferential surface where the adjusting window is located along itself is designed to be greater than one-Nth of the circumference of the circumference where the adjusting window is located. In order to make the support cylinder 14 cover the adjusting member 15 without affecting the rotation of the adjusting member 15, the width of the adjusting window along its own circumferential surface can be designed to be slightly larger than one-Nth of the circumference of the circumference where the adjusting window is located, so as to ensure the rotating process of the adjusting member 15. There are always two operation holes in the adjustment window. When a rod-shaped tool is inserted into the previous operation hole and rotated to the edge of the adjustment window and the rotation operation cannot be continued, insert the rod-shaped tool into the latter operation hole and continue to rotate the adjustment member 15 . For example, if the number of adjustment holes is designed to be four, the width of the adjustment window should be slightly larger than a quarter of the circumference of the adjustment window. When the adjustment member 15 rotates, there are always two operation holes in the adjustment window.

The cross adjustment assembly includes a first adjustment assembly and a second adjustment assembly, the first adjustment assembly includes a first adjustment plate 16 , the first adjustment plate 16 is movably mounted on the movable plate 12 , and the second adjustment assembly includes a second adjustment plate 17 , the second regulating plate 17 is movably mounted on the first regulating plate 16 . The moving directions of the first adjusting plate 16 and the second adjusting plate 17 are perpendicular to each other, for example, the first adjusting plate 16 moves up and down, the second adjusting plate 17 moves left and right, or the first adjusting plate 16 moves left and right, and the second adjusting plate 17 moves up and down .

The first adjusting plate 16 is mounted on the movable plate 12 by screws, the first adjusting plate 16 is formed with a first waist-shaped hole for the screws to pass through, the second adjusting plate 17 is mounted on the first adjusting plate 16 by screws, and the second adjusting plate 17 is mounted on the first adjusting plate 16 by screws. The second adjusting plate 17 is formed with a second waist-shaped hole through which the screw can pass, and the length directions of the first waist-shaped hole and the second waist-shaped hole are perpendicular to each other.

The first adjustment assembly includes a first adjustment screw 18, a first installation plate 26 and a first support 19, the first adjustment plate 16 is located between the first installation plate 26 and the first support 19, and the first support 19 is installed on the On the movable plate 12, the first mounting plate 26 is mounted on the side of the first adjusting plate 16 by screws, the first adjusting screw 18 passes through the first mounting plate 26, and the first adjusting plate 16 is formed along its own moving direction to provide the first adjusting plate 16. A second through hole through which the adjusting screw 18 passes, and the direction in which the first adjusting screw 18 passes through the second through hole is parallel to the length direction of the first waist-shaped hole. The first adjusting screw 18 is threadedly connected with the second through hole, and the front end of the first adjusting screw 18 is rotatably mounted on the first support 19 . The first adjustment screw 18 , the first support 19 and the first adjustment plate 16 form a pair of rods, and the first adjustment plate 16 can be moved by rotating the first adjustment screw 18 . The rear end of the first adjusting screw 18 is formed with one of a word groove, a cross groove and a quincunx groove, which is convenient to use a screwdriver to rotate the first adjusting screw 18 . The first mounting plate 26 is provided with a first mounting hole for the rear end of the first adjusting screw 18 to pass through. The first mounting plate 26 restricts the first adjusting screw 18 to only rotate and not move in the axial direction. When the first adjusting screw 18 rotates clockwise and counterclockwise, the first adjusting plate 16 moves back and forth along the axial direction of the first adjusting screw 18 .

The second adjusting assembly includes a second adjusting screw 20, a second mounting plate 27 and a second support 21, the second adjusting plate 17 is located between the second mounting plate 27 and the second support 21, and the second support 21 is mounted on On the first adjustment plate 16, the second installation plate 27 is installed on the side of the second adjustment plate 17 by screws, the second adjustment screw 20 passes through the second installation plate 27, and the second adjustment plate 17 can be provided along its own movement direction. The third through hole through which the second adjusting screw 20 passes, and the direction in which the second adjusting screw 20 passes through the third through hole is parallel to the length direction of the second waist-shaped hole. The second adjusting screw 20 is threadedly connected with the third through hole, and the front end of the second adjusting screw 20 is rotatably mounted on the second support 21 . The second adjusting screw 20 , the second support 21 and the second adjusting plate 17 form a pair of rods, and rotating the second adjusting screw 20 can move the second adjusting plate 17 . The rear end of the second adjusting screw 20 is formed with one of a word groove, a cross groove and a quincunx groove, which is convenient to use a screwdriver to rotate the second adjusting screw 20 . The second mounting plate 27 has a second mounting hole for the rear end of the second adjusting screw 20 to pass through. The second mounting plate 27 restricts the second adjusting screw 20 to only rotate but not move in the axial direction. When the second adjusting screw 20 rotates clockwise and counterclockwise, the second adjusting plate 17 moves back and forth along the axial direction of the second adjusting screw 20 .

The movable plate 12 has a first chute for the first adjusting plate 16 to move along, and the length direction of the first chute is parallel to the length direction of the first waist-shaped hole. The first adjusting plate 16 has a second chute for the second adjusting plate 17 to move along, and the length direction of the second chute is parallel to the length direction of the second waist-shaped hole.

Two first guide parts 22 are arranged on the movable plate 12 , the two first guide parts 22 are arranged opposite to each other, and a first chute is formed between the two first guide parts 22 . The first regulating plate 16 is provided with two second guide portions 23 , the two second guide portions 23 are arranged opposite to each other, and a second chute is formed between the two second guide portions 23 .

The clamping assembly includes a fixed part 24 and a movable part 25. The fixed part 24 is installed on the cross adjustment assembly, and the movable part 25 is detachably installed on the fixed part 24 by screws, and the end of the workpiece is placed on the fixed part 24 and the movable part. Between 25, lock the screw of the movable part 25 to fix the end of the workpiece.

The embodiments of the present invention have been described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, and can also be made within the scope of knowledge possessed by those of ordinary skill in the technical field without departing from the spirit of the present invention. Various changes.

Claims (10)

1. A clamp with adjustable inclination, characterized in that it comprises a base plate (11), a movable plate (12) installed on the base plate (11), and a cross adjustment device installed on the movable plate (12) an assembly and a clamping assembly installed on the cross adjustment assembly, the movable plate (12) is installed on the base plate (11) through three movable adjustment assemblies, and the three movable adjustment assemblies are evenly distributed along the circumference, The movable adjustment assembly includes a first stud (13), a support cylinder (14) and an adjustment piece (15), and the movable plate (12) is formed with a first stud (13) through which the first stud (13) can pass through. A through hole, the front end of the first stud (13) is threadedly connected to the base plate (11), the adjusting member (15) is sleeved on the first stud (13), and the adjusting member ( The front end of 15) is threadedly connected with the inner wall of the first through hole, the front end of the adjusting member (15) is pressed against the base plate (11), and the supporting cylinder (14) covers the adjusting member (15), so the The first stud (13) penetrates through the support cylinder (14), and the head of the rear end of the first stud (13) presses the movable plate (12) through the support cylinder (14), and the A regulating window is formed on the side wall of the support cylinder (14). 2. The clamp with adjustable inclination according to claim 1, characterized in that: the outer rear end of the adjusting member (15) is formed with N operation holes along the circumference, and N is not less than three, and each of the operation holes Evenly distributed along the circumference. 3 . The clamp with adjustable inclination according to claim 2 , wherein the width of the adjusting window along the circumferential surface where it is located is greater than one-Nth of the circumference of the circumference where the adjusting window is located. 4 . 4. The inclination-adjustable clamp according to claim 1, wherein the cross adjustment assembly comprises a first adjustment assembly and a second adjustment assembly, and the first adjustment assembly includes a first adjustment plate (16) , the first adjustment plate (16) is movably mounted on the movable plate (12), the second adjustment assembly includes a second adjustment plate (17), and the second adjustment plate (17) is movable The first regulating plate (16) and the second regulating plate (17) move in a direction perpendicular to each other. 5. The clamp with adjustable inclination according to claim 4, characterized in that: the first adjustment plate (16) is mounted on the movable plate (12) by screws, and the first adjustment plate (16) ) is formed with a first waist-shaped hole for the screw to pass through, the second adjustment plate (17) is mounted on the first adjustment plate (16) by the screw, and the second adjustment plate (17) is formed with A second waist-shaped hole for the screw to pass through, and the length directions of the first waist-shaped hole and the second waist-shaped hole are perpendicular to each other. 6. The clamp with adjustable inclination according to claim 5, wherein the first adjustment assembly comprises a first adjustment screw (18), a first mounting plate (26) and a first support (19) , the first adjusting plate (16) is located between the first mounting plate (26) and the first support (19), and the first support (19) is mounted on the movable plate (12) ), the first mounting plate (26) is mounted on the side of the first adjusting plate (16) by screws, and the first adjusting screw (18) passes through the first mounting plate (26), The first adjustment plate (16) is formed with a second through hole along the moving direction of the first adjustment screw (18) through which the first adjustment screw (18) can pass, and the first adjustment screw (18) is connected to the second through hole. threaded connection, the front end of the first adjusting screw (18) is rotatably mounted on the first support (19); the second adjusting assembly includes a second adjusting screw (20), a second mounting plate ( 27) and a second support (21), the second adjustment plate (17) is located between the second mounting plate (27) and the second support (21), the second support ( 21) Installed on the first adjustment plate (16), the second installation plate (27) is installed on the side of the second adjustment plate (17) by screws, and the second adjustment screw (20) Passing through the second mounting plate (27), the second adjusting plate (17) is formed with a third through hole along the moving direction of the second adjusting screw (20) through which the second adjusting screw (20) can pass. The adjusting screw (20) is threadedly connected with the third through hole, and the front end of the second adjusting screw (20) is rotatably mounted on the second support (21). 7. The clamp with an adjustable inclination according to claim 6, wherein the rear end of the first adjusting screw (18) is formed with one of a word groove, a cross groove and a plum blossom groove, and the first adjusting screw (18) The rear end of the second adjusting screw (20) is formed with one of a word groove, a cross groove and a plum blossom groove. 8. The inclination-adjustable clamp according to any one of claims 4 to 6, characterized in that: the movable plate (12) has a first adjusting plate (16) along which the movable plate (12) can move. A chute, the first adjustment plate (16) has a second chute for the second adjustment plate (17) to move along. 9. The tilt-adjustable clamp according to claim 8, characterized in that: the movable plate (12) is arranged with two first guide parts (22), and the two first guide parts (22) The first chute is formed therebetween; the first regulating plate (16) is provided with two second guide parts (23), and the second guide part (23) is formed between the two second guide parts (23). groove. 10. The clamp with adjustable inclination according to claim 1, characterized in that: the front end of the adjusting member (15) is pressed against the base plate (11) through a pair of spherical washers, and the first stud (13) The head of the rear end of ) abuts the support cylinder (14) through a pair of spherical washers.

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