Positioning and pushing device of numerical control grinding machine

Abstract

The utility model relates to a positioning and pushing device of a numerical control grinding machine. The positioning and pushing device comprises a base, a first rod for pushing materials, a supporting block arranged on the base, a pushing device for pushing the first rod, a second rod stretching out and drawing back in the first rod and an adjusting piece for driving the second rod to stretch out or draw back. The adjusting piece is arranged on the first rod; the second rod slides in the first rod; a connecting rod is arranged on the adjusting piece; a sliding groove is formed in the second rod; the connecting rod slides in the sliding groove; when the adjusting piece rotates, the connecting rod is driven to slide in the sliding groove, and meanwhile the second rod is made to stretch out and draw back. The sliding groove is in a spiral shape. The problems that the ejector rod needs to be integrally replaced according to the diameter of a workpiece, welding customization is needed, the period is long, and production cost is increased are solved. Air cylinders are selected and purchased according to longest workpieces, when the air cylinders are used for short workpieces, the air cylinders have redundant working strokes, and the production efficiency is low.

Description

Technical Field

[0001] The utility model relates to the field of grinding machines, in particular to a positioning and pushing device for a numerically controlled grinding machine. Background Art

[0002] In the prior art, when a centerless grinder is used to cut into a part for processing, the positioning and pushing device configured therein directly affects the efficiency and processing effect of the machine tool. Currently, the positioning and pushing device of a centerless grinder mostly uses a cylinder directly connected to a push rod with a hard metal welded on the head to realize the positioning and pushing functions.

[0003] The cylinder is directly connected to the ejector rod. The root of the ejector rod is connected to the cylinder. There is no auxiliary support on the outer circle of the rod body. During the grinding process, the friction of the workpiece is easy to deviate from the center of the cylinder. The rigidity is poor, which affects the processing effect of the workpiece. The ejector rod needs to be replaced as a whole according to the diameter of the workpiece, and it needs to be welded and customized, which takes a long time and increases the production cost. The cylinder is purchased according to the longest workpiece. When used for positioning and pushing short workpieces, the cylinder has redundant working stroke, which has low production efficiency. Utility Model Content

[0004] The embodiment of the present application provides a positioning and pushing device for a CNC grinder, which solves the problem that the push rod in the prior art needs to be replaced as a whole according to the diameter of the workpiece, and needs to be welded and customized, which takes a long time and increases the production cost. The cylinder is purchased according to the longest workpiece, and when used for positioning and pushing short workpieces, the cylinder has redundant working stroke, which reduces production efficiency.

[0005] The technical solution adopted in the embodiments of the present application is as follows.

[0006] A positioning and pushing device for a CNC grinding machine comprises a base, a first rod for pushing materials, a support block arranged on the base, a pushing device for pushing the first rod, a second rod telescopically inside the first rod, and an adjusting member for driving the second rod to extend or retract; the adjusting member is arranged on the first rod; the second rod slides inside the first rod; a connecting rod is arranged on the adjusting member; a sliding groove is provided on the second rod; the connecting rod slides in the sliding groove; when the adjusting member rotates, the connecting rod is driven to slide in the sliding groove, and the second rod is telescopically extended at the same time; the sliding groove is spiral.

[0007] A further technical solution is: a connecting block is provided on the first rod; a threaded strip is provided on the connecting block; a first groove is provided in the adjusting member; a threaded groove is provided in the first groove; the threaded strip is threadedly connected in the threaded groove; and the connecting rod is provided in the first groove.

[0008] A further technical solution is: the pitch of two adjacent groups of thread grooves is 0.5 cm; the distance between two adjacent groups of sliding grooves is 10.5 cm.

[0009] A further technical solution is: when the adjusting member rotates counterclockwise, the second rod gradually extends out of the first rod and the adjusting member gradually moves toward the first rod; when the adjusting member rotates clockwise, the second rod gradually retracts into the first rod and the adjusting member gradually moves away from the first rod.

[0010] A further technical solution is: a scale is provided on the first rod; the scale is arranged in groups of 0.5 cm and the number of groups is consistent with the number of the thread grooves; and the side wall of the adjusting member corresponds to the scale.

[0011] A further technical solution is: a sphere is arranged on the connecting rod; the cross section of the sliding groove is hemispherical; and the sphere slides in the sliding groove.

[0012] One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

[0013] 1. A support block is provided on the base, a first rod is slidably connected to the support block, the first rod is in the shape of a round rod, a second rod is slidably connected inside the first rod, a connecting block is provided on the first rod, the connecting block is round, a threaded strip is provided on the outer surface of the connecting block, an adjusting piece is provided on the connecting block, a first groove is provided in the adjusting piece, a threaded groove is provided on the first groove, the threaded strip is shorter than the threaded groove, the threaded strip is threadedly connected in the threaded groove, a connecting rod is provided in the first groove, a sliding groove is provided on the second rod, the sliding groove is spiral, the cross-section of the sliding groove is semicircular, a sphere is provided on the connecting rod, the sphere corresponds to the sliding groove, the pitch of adjacent threaded grooves is 0.5 cm, and the distance between two adjacent groups of sliding grooves in the bracket is 10.5 cm, when the adjusting piece is rotated one circle, the second rod moves 10.5cm, and at the same time, the adjusting piece rotates one circle so that the adjusting piece moves backward 0.5cm, thereby driving the second rod to retreat 0.5cm, so that the second rod moves 10cm. A scale is provided on the first rod, and the scale is 0.5cm as a group, so as to observe the distance moved by the second rod. When the adjusting piece rotates counterclockwise, the second rod gradually extends out of the first rod and the adjusting piece gradually moves toward the first rod; when the adjusting piece rotates clockwise, the second rod gradually retracts into the first rod and the adjusting piece gradually moves away from the first rod, thereby realizing that the distance moved out of the second rod can be adjusted and the distance can be controlled, which is convenient for the staff to use without frequent disassembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the positioning and pushing device of the CNC grinder in the utility model.

[0015] Figure 2 It is a front view of the positioning and pushing device of the CNC grinder in the utility model.

[0016] Figure 3 It is a cross-sectional view of the positioning and pushing device of the CNC grinder in the utility model.

[0017] Figure 4 It is a structural schematic diagram of the adjusting member and the second rod in the utility model.

[0018] In the figure: 1, base; 2, first rod; 22, connecting block; 221, threaded strip; 23, scale; 3, support block; 4, pushing device; 5, second rod; 51, sliding groove; 6, adjusting member; 61, connecting rod; 611, sphere; 62, first groove; 621, threaded groove. DETAILED DESCRIPTION

[0019] The embodiment of the present application provides a positioning and pushing device for a CNC grinder, which solves the problem that the push rod in the prior art needs to be replaced as a whole according to the diameter of the workpiece, and needs to be welded and customized, which takes a long time and increases the production cost. The cylinder is purchased according to the longest workpiece, and when used for positioning and pushing short workpieces, the cylinder has redundant working stroke, which reduces production efficiency.

[0020] The technical solution in the embodiment of the present application is to solve the above problems, and the overall idea is as follows

[0021] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0022] A positioning and pushing device for a numerically controlled grinding machine comprises a base 1, a first rod 2 for pushing materials, a supporting block 3 arranged on the base 1, a pushing device 4 for pushing the first rod 2, a second rod 5 telescopic in the first rod 2, and an adjusting member 6 for driving the second rod 5 to extend or retract; the adjusting member 6 is arranged on the first rod 2; the second rod 5 slides in the first rod 2; a connecting rod 61 is arranged on the adjusting member 6; a sliding groove 51 is opened on the second rod 5; the connecting rod 61 slides in the sliding groove 51; when the adjusting member 6 rotates, it drives the connecting rod 61 to slide in the sliding groove 51, and at the same time makes the second rod 5 telescopic; the sliding groove 51 is spiral.

[0023] The first rod 2 is provided with a connecting block 22 ; the connecting block 22 is provided with a threaded strip 221 ; the adjusting member 6 is provided with a first groove 62 ; the first groove 62 is provided with a threaded groove 621 ; the threaded strip 221 is threadedly connected in the threaded groove 621 ; the connecting rod 61 is provided in the first groove 62 .

[0024] The pitch of two adjacent groups of thread grooves 621 is 0.5 cm; the distance between two adjacent groups of sliding grooves 51 is 10.5 cm.

[0025] When the adjusting member 6 rotates counterclockwise, the second rod 5 gradually extends out of the first rod 2 and the adjusting member 6 gradually moves toward the first rod 2; when the adjusting member 6 rotates clockwise, the second rod 5 gradually retracts into the first rod 2 and the adjusting member 6 gradually moves away from the first rod 2.

[0026] The first rod 2 is provided with a scale 23 ; the scale 23 is arranged in groups of 0.5 cm, and the number of groups is consistent with the number of the thread grooves 621 ; the side wall of the adjusting member 6 corresponds to the scale 23 .

[0027] A sphere 611 is disposed on the connecting rod 61 ; the cross section of the sliding groove 51 is hemispherical; and the sphere 611 slides in the sliding groove 51 .

[0028] A support block 3 is provided on the base 1, and a first rod 2 is slidably connected to the support block 3. The first rod 2 is in the shape of a round rod, and a second rod 5 is slidably connected inside the first rod 2. A connecting block 22 is provided on the first rod 2, and the connecting block 22 is in the shape of a round rod. A threaded strip 221 is provided on the outer surface of the connecting block 22, and an adjusting member 6 is provided on the connecting block 22. A first groove 62 is provided in the adjusting member 6, and a threaded groove 621 is provided on the first groove 62. The threaded strip 221 is shorter than the threaded groove 621, and the threaded strip 221 is threadedly connected in the threaded groove 621. A connecting rod 61 is provided in the first groove 62, and a sliding groove 51 is provided on the second rod 5. The sliding groove 51 is spiral, and the cross-section of the sliding groove 51 is semicircular. A sphere 611 is provided on the connecting rod 61, and the sphere 611 corresponds to the sliding groove 51 , the adjacent pitch of the thread groove 621 is 0.5cm, and the distance between two adjacent groups of the sliding groove 51 in the bracket is 10.5cm. After the adjusting member 6 is rotated one circle, the second rod 5 moves 10.5cm. At the same time, the adjusting member 6 rotates one circle to move the adjusting member 6 backward by 0.5cm, thereby driving the second rod 5 to retreat by 0.5cm, so that the second rod 5 moves 10cm. A scale 23 is provided on the first rod 2, and the scale 23 is 0.5cm as a group, so as to observe the distance moved by the second rod 5. When the adjusting member 6 rotates counterclockwise, the second rod 5 gradually extends out of the first rod 2 and the adjusting member 6 gradually moves toward the direction close to the first rod 2; when the adjusting member 6 rotates clockwise, the second rod 5 gradually retracts into the first rod 2 and the adjusting member 6 gradually moves away from the first rod 2.

[0029] Since a support block 3 is provided on the base 1, a first rod 2 is slidably connected to the support block 3, the first rod 2 is in the shape of a round rod, a second rod 5 is slidably connected inside the first rod 2, a connecting block 22 is provided on the first rod 2, the connecting block 22 is in the shape of a round rod, a threaded strip 221 is provided on the outer surface of the connecting block 22, an adjusting member 6 is provided on the connecting block 22, a first groove 62 is provided in the adjusting member 6, a threaded groove 621 is provided on the first groove 62, the threaded strip 221 is shorter than the threaded groove 621, the threaded strip 221 is threadedly connected in the threaded groove 621, a connecting rod 61 is provided in the first groove 62, a sliding groove 51 is provided on the second rod 5, the sliding groove 51 is in the shape of a spiral, the cross section of the sliding groove 51 is in the shape of a semicircle, a sphere 611 is provided on the connecting rod 61, the sphere 611 corresponds to the sliding groove 51, and the adjacent pitch of the threaded groove 621 is 0.5 cm. The distance between two adjacent groups of slot brackets of the sliding slot 51 is 10.5 cm. After the adjusting member 6 is rotated one circle, the second rod 5 moves 10.5 cm. At the same time, the adjusting member 6 rotates one circle to move the adjusting member 6 backward 0.5 cm, thereby driving the second rod 5 to retreat 0.5 cm, so that the second rod 5 moves 10 cm. A scale 23 is provided on the first rod 2, and the scale 23 is 0.5 cm as a group, so as to observe the distance moved by the second rod 5. When the adjusting member 6 rotates counterclockwise, the second rod 5 gradually extends out of the first rod 2 and the adjusting member 6 gradually moves toward the first rod 2; when the adjusting member 6 rotates clockwise, the second rod 5 gradually retracts into the first rod 2 and the adjusting member 6 gradually moves away from the first rod 2, thereby achieving the ability to adjust the distance moved out of the second rod 5 and control the distance, which is convenient for staff to use and does not require frequent disassembly.

[0030] Although the preferred embodiments of the present invention have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the present invention.

[0031] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A positioning and pushing device for a CNC grinding machine, characterized in that: The invention comprises a base (1), a first rod (2) for pushing materials, a support block (3) arranged on the base (1), a pushing device (4) for pushing the first rod (2), a second rod (5) telescopically arranged in the first rod (2), and an adjusting member (6) for driving the second rod (5) to extend or retract; the adjusting member (6) is arranged on the first rod (2); the second rod (5) slides in the first rod (2); a connecting rod (61) is arranged on the adjusting member (6); a sliding groove (51) is provided on the second rod (5); the connecting rod (61) slides in the sliding groove (51); when the adjusting member (6) rotates, the connecting rod (61) is driven to slide in the sliding groove (51), and the second rod (5) is telescopically arranged at the same time; the sliding groove (51) is spiral-shaped.

2. The positioning and pushing device for a CNC grinding machine according to claim 1, characterized in that: The first rod (2) is provided with a connecting block (22); the connecting block (22) is provided with a threaded strip (221); the adjusting member (6) is provided with a first groove (62); the first groove (62) is provided with a threaded groove (621); the threaded strip (221) is threadedly connected in the threaded groove (621); and the connecting rod (61) is provided in the first groove (62).

3. The positioning and pushing device for a CNC grinding machine according to claim 2, characterized in that: The pitch of two adjacent groups of the thread grooves (621) is 0.5 cm; the distance between two adjacent groups of the sliding grooves (51) is 10.5 cm.

4. The positioning and pushing device for a CNC grinding machine according to claim 2, characterized in that: When the adjusting member (6) rotates counterclockwise, the second rod (5) gradually extends out of the first rod (2) and the adjusting member (6) gradually moves in a direction approaching the first rod (2); when the adjusting member (6) rotates clockwise, the second rod (5) gradually retracts into the first rod (2) and the adjusting member (6) gradually moves in a direction away from the first rod (2).

5. The positioning and pushing device for a CNC grinding machine according to claim 3, characterized in that: The first rod (2) is provided with a scale (23); the scale (23) is arranged in groups of 0.5 cm and the number of groups is consistent with the number of the thread grooves (621); and the side wall of the adjusting member (6) corresponds to the scale (23).

6. The positioning and pushing device for a CNC grinding machine according to claim 1, characterized in that: A sphere (611) is provided on the connecting rod (61); the cross section of the sliding groove (51) is hemispherical; and the sphere (611) slides in the sliding groove (51).

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