CN-224222769-U - Clamp suitable for cylinder processing in bottle making machine

Abstract

A clamp suitable for cylinder processing in a bottle making machine belongs to the technical field of machining clamps. The three-jaw chuck is characterized in that a supporting seat, a three-jaw chuck and a positioning structure are arranged on the base, a plurality of supporting seats are arranged around the three-jaw chuck, a clamping hydraulic cylinder is arranged at the upper end of the supporting seat, a clamping arm is arranged at the output end of the clamping hydraulic cylinder, the arrangement direction of the clamping arm is parallel to the radial direction of the three-jaw chuck, the positioning structure comprises a first positioning structure and a second positioning structure, the first positioning structure is arranged on the upper part of the supporting seat, the clamping arm penetrates through the first positioning structure, a placing space is formed among the plurality of first positioning structures, the second positioning structure is arranged on the supporting seat, the second positioning structure stretches into the placing space, the second positioning structure is propped against the side edge of the first protrusion, the cylinder is placed in the placing space, the cylinder is initially positioned, the position of the cylinder is finally determined through the second positioning structure, the upper end and the lower end of the cylinder is clamped through the three-jaw chuck and the clamping arm, and the processing precision is guaranteed.

Inventors

• Bai Zeshuai
• YU CHUAN
• WANG JIAN

Assignees

• 山东三金玻璃机械有限公司

Dates

Publication Date

20260512

Application Date

20260413

Claims (10)

1. 1. The clamp suitable for machining the cylinder in the bottle making machine comprises a base (1) and is characterized in that a supporting seat, a three-jaw chuck and a positioning structure are arranged on the base (1), a plurality of supporting seats are arranged around the three-jaw chuck, a clamping hydraulic cylinder (5) is arranged at the upper end of the supporting seat, a clamping arm (6) is arranged at the output end of the clamping hydraulic cylinder (5), the setting direction of the clamping arm (6) is parallel to the radial direction of the three-jaw chuck, the positioning structure comprises a first positioning structure and a second positioning structure, the first positioning structure is arranged on the upper part of the supporting seat, the clamping arm (6) penetrates through the first positioning structure, a placing space is formed among the first positioning structures, the second positioning structure is arranged on the supporting seat, the second positioning structure stretches into the placing space, and the second positioning structure is propped against the side edge of a first bulge (20).
2. 2. The fixture for cylinder processing in a bottle making machine according to claim 1, wherein the first positioning structure comprises a connecting part (7) and an acting part (8), one end of the connecting part (7) is connected with the supporting seat, the other end of the connecting part is connected with the acting part (8), the clamping hydraulic cylinder (5) is arranged between the acting part (8) and the supporting seat, and an acting part groove (801) for the clamping arm (6) to pass through is formed in the acting part (8).
3. 3. The fixture for cylinder processing in a bottle making machine according to claim 1, wherein the second positioning structure comprises a positioning arm (9) and a positioning column (10), the positioning arm (9) is horizontally arranged on the side surface of the supporting seat, the positioning column (10) is arranged at the suspension end of the positioning arm (9), and the positioning column (10) is perpendicular to the clamping arm (6).
4. 4. A fixture suitable for cylinder processing in bottle making machine according to claim 3, characterized in that the positioning column (10) is connected with the positioning arm (9) through screw thread, and the positioning column (10) is provided with positioning nut.
5. 5. A clamp suitable for cylinder processing in bottle-making machines according to claim 3, characterized in that the end of the positioning column (10) close to the clamping arm (6) is provided with a circular arc-shaped contact part (1001).
6. 6. The fixture suitable for cylinder processing in a bottle making machine according to claim 1, wherein the three-jaw chuck comprises a fixed disc (2), a fixture block (3), a lifting locking structure and a lifting hydraulic cylinder (25), the fixed disc (2) is arranged on the base (1), the upper ends of the three lifting locking structures penetrate through the fixed disc (2) to be connected with the fixture block, the lower ends of the three lifting locking structures are connected with the lifting hydraulic cylinder (25) arranged in the fixed disc (2), and a clamping groove (301) is formed in one side, close to the center of the circle, of the fixed disc (2), of the fixture block (3).
7. 7. The fixture for machining the cylinder in the bottle making machine according to claim 6, wherein the lifting locking structure comprises a supporting column (22) and a lifting block (24), the lower end face of the fixed disc (2) is upwards sunken to form a mounting groove (201), the lifting block (24) is arranged in the mounting groove (201), the lower end of the lifting block (24) is connected with the lifting hydraulic cylinder (25), three guide through holes (202) are obliquely arranged between the mounting groove (201) and the upper end face of the fixed disc (2) along the circumference, the distance between the upper end of the guide through holes (202) and the center of a circle is larger than the distance between the lower end of the guide through holes and the center of a circle, the supporting column (22) is arranged in the guide through holes (202), and the lower end of the supporting column (22) is connected with the lifting block (24).
8. 8. The fixture for cylinder processing in a bottle making machine according to claim 6, wherein the fixing plate (2) is provided with positioning blocks (4), the three positioning blocks (4) are arranged at intervals along the circumference of the fixing plate (2), and the positioning blocks (4) are arranged on one side, close to the circle center of the fixing plate (2), of the fixture block (3).
9. 9. A fixture suitable for cylinder processing in a bottle making machine according to claim 6, wherein a plurality of sequence valves (15) are arranged on the base (1), and the sequence valves (15) are connected with a lifting hydraulic cylinder (25) and a clamping hydraulic cylinder (5).
10. 10. The fixture for cylinder processing in bottle making machine according to claim 1, wherein the base (1) and the supporting seat are internally provided with a hydraulic oil way for supplying oil for clamping the hydraulic cylinder (5).

Description

Clamp suitable for cylinder processing in bottle making machine Technical Field A clamp suitable for cylinder processing in a bottle making machine belongs to the technical field of machining clamps. Background Fig. 1 shows a cylinder 17 for a bottle making machine, the cylinder 17 comprises a cylinder 18 and a boss 19 arranged at the end of the cylinder 18, the cylinder 18 is hollow, an arc-shaped first protrusion 20 and a rectangular second protrusion 21 are arranged on the outer side of the cylinder 18 along the axis, a reinforcing rib is arranged between the boss 19 and the cylinder 18, the cylinder 17 is fixed on a horizontal machining center through a clamp in the machining process, and then the cylinder 17 is subjected to plane milling, hole machining and reinforcing rib machining. At present, the cylinder 17 is mainly clamped and fixed by utilizing a three-jaw chuck of a machining center before machining, and the position of the cylinder 17 is manually adjusted, but because the structure is heavy, a large amount of manpower is consumed, and the adjustment accuracy is difficult to achieve. Further, since the fixing is performed only by the three-jaw chuck, the reinforcing bar is easily deformed during processing, and therefore, a jig is required to efficiently position and fix the cylinder 17. Disclosure of utility model The utility model aims to solve the technical problems of overcoming the defects of the prior art and providing the clamp suitable for processing the cylinder in the bottle making machine, wherein the clamp is provided with the positioning structure and the clamping arm, so that the cylinder can be effectively positioned. The clamp for processing the cylinder in the bottle making machine comprises a base, wherein a supporting seat, a three-jaw chuck and a positioning structure are arranged on the base, a plurality of supporting seats are arranged around the three-jaw chuck, a clamping hydraulic cylinder is arranged at the upper end of the supporting seat, a clamping arm is arranged at the output end of the clamping hydraulic cylinder, the arrangement direction of the clamping arm is parallel to the radial direction of the three-jaw chuck, the positioning structure comprises a first positioning structure and a second positioning structure, the first positioning structure is arranged at the upper part of the supporting seat, the clamping arm penetrates through the first positioning structure to form a placing space, the second positioning structure is arranged on a supporting seat, the second positioning structure stretches into the placing space, and the second positioning structure is propped against the side edge of the first bulge. Preferably, the first positioning structure comprises a connecting part and an action part, one end of the connecting part is connected with the supporting seat, the other end of the connecting part is connected with the action part, the clamping hydraulic cylinder is arranged between the action part and the supporting seat, and an action part groove for the clamping arm to pass through is formed in the action part. Preferably, the second positioning structure comprises a positioning arm and a positioning column, wherein the positioning arm is horizontally arranged on the side surface of the supporting seat, the positioning column is arranged at the suspension end of the positioning arm, and the positioning column is vertically clamped by the arm. Preferably, the positioning column is connected with the positioning arm through threads, and the positioning column is provided with a positioning nut. Preferably, the positioning column is provided with a circular arc-shaped contact part at one end close to the clamping arm. Preferably, the three-jaw chuck comprises a fixed disc, a clamping block, lifting locking structures and lifting hydraulic cylinders, wherein the fixed disc is arranged on the base, the upper ends of the three lifting locking structures penetrate through the fixed disc and are connected with the clamping block, the lower ends of the three lifting locking structures are connected with the lifting hydraulic cylinders arranged in the fixed disc, and clamping grooves are formed in one side, close to the circle center of the fixed disc, of the clamping block. Preferably, the lifting locking structure comprises a supporting column and a lifting block, the lower end face of the fixed disc is recessed upwards to form a mounting groove, the lifting block is arranged in the mounting groove, the lower end of the lifting block is connected with the lifting hydraulic cylinder, three guide through holes are formed between the mounting groove and the upper end face of the fixed disc in a circumferential inclined mode, the distance between the upper end of each guide through hole and the circle center is greater than that between the lower end of each guide through hole and the circle center, the supporting column is arranged in each guide through hole,