Anti-damage bar machining clamping structure

Abstract

The utility model relates to the field of bar machining, in particular to an anti-damage bar machining clamping structure which comprises a fixing plate and a protection limiting assembly. A protection limiting assembly used for protecting a bar to conduct protection clamping and positioning is installed in the fixed plate and comprises a movable plate, an arc-shaped rubber plate, an anti-skid gasket, a limiting ring and a soft plate. According to the utility model, the arc-shaped rubber plate is used for attaching when the bar is clamped, the arc-shaped rubber plate has good elasticity and can provide certain buffering in the clamping process, so that the clamping force is prevented from directly acting on the surface of the bar, and further scratches, indentations or other mechanical damages are prevented, and the arc-shaped rubber plate is attached to the surface of the bar, so that the service life of the bar is prolonged. Clamping force is evenly distributed in a contact area, local stress concentration is reduced, meanwhile, multiple sets of anti-skid gaskets are combined to assist the arc-shaped rubber plate to limit the bar, machining errors caused by sliding or vibration of the bar in the machining process are prevented, and the machining precision and the surface quality are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to bar processing field especially prevents the bar processing clamping structure of injury. BACKGROUND

[0002] Bar is common industrial processing raw material, usually refers to the cylindrical or approximate cylindrical metal or nonmetal material with certain length and diameter, they are widely applied in the field such as mechanical processing, metal processing, electronic manufacturing, building, aerospace, when bar processing, need to use clamping structure for fixing and supporting bar in the processing process, ensure that bar keeps stable in the processing process, prevent its movement, vibration or deformation, thereby guarantee processing precision and processing quality.

[0003] The existing clamping structure, in the process of clamping, usually adopts mechanical caliper to clamp bar for processing, because the size of clamping force is often difficult to accurately adjust in the clamping process of mechanical caliper, is easy to scratch bar surface, leads to scratch or wear on bar surface, influences product quality, reduces overall processing precision.

[0004] Therefore, aiming at the above-mentioned existing clamping structure, because the size of clamping force is often difficult to accurately adjust in the clamping process of mechanical caliper, is easy to scratch bar surface, leads to scratch or wear on bar surface, influences product quality, reduces overall processing precision, can design the bar processing clamping structure of preventing injury, provide certain buffer in the clamping process, avoid that clamping force is directly applied to bar surface, prevent scratch, indentation or other mechanical damage, improve processing precision and surface quality. SUMMARY

[0005] In order to overcome the problem that the size of clamping force is often difficult to accurately adjust in the clamping process of the existing clamping structure, is easy to scratch bar surface, leads to scratch or wear on bar surface, influences product quality, reduces overall processing precision.

[0006] The technical scheme of the utility model is: the bar processing clamping structure of preventing injury, including fixed plate and protection limiting component, the inside installation of fixed plate is used for the protection limiting component of protection bar and is clamped and positioned, the protection limiting component includes movable plate, arc rubber plate, anti -skid pad, limiting ring, soft board, the inside of fixed plate is equipped with two groups of movable plates, two groups of movable plates are equipped with multiple limiting grooves, the inside of multiple limiting grooves is equipped with arc rubber plate, the inner wall of arc rubber plate is fixed with a plurality of groups of anti -skid pad, and the inside of fixed plate is paved with soft board.

[0007] As preferred, the outer end of arc rubber plate is welded with two groups of bolts, the inside of multiple limiting grooves is provided with the bolt hole accommodating bolt, and arc rubber plate is inserted and fixed with movable plate through two groups of bolts.

[0008] As preferred, the outer ends of the two sets of movable plates are provided with adjusting rods, one end of the adjusting rod extends to the outer side through the fixed plate, and one end of the adjusting rod is provided with a pneumatic cylinder.

[0009] As preferred, the outer walls of the two sets of movable plates are welded with limiting rings, the outer ends of the limiting rings are provided with screws, and the limiting rings are screwed with the adjusting rods.

[0010] As preferred, the lower part of the adjusting rod is welded with connecting plates at both ends of the fixed plate, the upper ends of the connecting plates are both fixed with two sets of supporting blocks, and the two sets of supporting blocks are arranged in close contact with the adjusting rod.

[0011] As preferred, the outer ends of the fixed plate are welded with connecting blocks at the corners, and the inner parts of the connecting blocks are both provided with limiting bolts.

[0012] As preferred, the outer walls of the fixed plate are provided with control modules, and the control modules are electrically connected with the two pneumatic cylinders.

[0013] The beneficial effects of the utility model are as follows:

[0014] Compared with the traditional clamping structure, the arc-shaped rubber plate is used for clamping the bar material, the arc-shaped rubber plate has good elasticity, can provide certain buffer in the clamping process, avoids that the clamping force is directly applied to the surface of the bar material, thereby prevents scratch, indentation or other mechanical damage, and the arc-shaped rubber plate is in close contact with the surface of the bar material, uniformly distributes the clamping force in the contact area, reduces local stress concentration, simultaneously combines the multiple anti-skid gaskets to assist the arc-shaped rubber plate to limit the bar material, so that the bar material keeps stable position after clamping, prevents the machining error caused by the sliding or vibration of the bar material in the machining process, and improves the machining precision and surface quality. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The overall structure schematic diagram of the damage-preventing bar material machining clamping structure is shown.

[0016] Figure 2 The arc-shaped rubber plate structure schematic diagram of the damage-preventing bar material machining clamping structure is shown.

[0017] Figure 3 The connecting block structure schematic diagram of the damage-preventing bar material machining clamping structure is shown.

[0018] Figure 4 The soft plate structure schematic diagram of the damage-preventing bar material machining clamping structure is shown.

[0019] Explanation of reference signs: 1, fixed plate; 201, movable plate; 202, arc-shaped rubber plate; 203, anti-skid gasket; 204, bolt; 205, limiting ring; 206, adjusting rod; 207, air cylinder; 208, soft plate; 209, control module; 210, connecting block; 211, limiting bolt; 212, connecting plate; 213, supporting block. DETAILED DESCRIPTION

[0020] The utility model is further explained in connection with the drawings and examples.

[0021] Please refer to Figures 1-4 The utility model provides a kind of example: the bar processing clamping structure of preventing injury, including fixed plate 1 and protective limiting component;The inside of fixed plate 1 is equipped with the protective limiting component for protecting bar and carrying out protective clamping positioning, and the protective limiting component includes movable plate 201, arc-shaped rubber plate 202, anti-skid gasket 203, limiting ring 205, soft plate 208, the inside of fixed plate 1 is equipped with two groups of movable plate 201 being symmetrically arranged, and multiple limiting grooves are formed in the inside of two groups of movable plate 201, and arc-shaped rubber plate 202 is arranged in the inside of multiple limiting grooves, and a plurality of anti-skid gaskets 203 are fixed to the inner wall of arc-shaped rubber plate 202, and soft plate 208 is laid in the inside of fixed plate 1.

[0022] Please refer to Figures 1-3 In the embodiment, the outer end of arc-shaped rubber plate 202 is welded with two groups of bolts 204, and the inside of multiple limiting grooves is provided with a plurality of bolt-receiving holes for accommodating the bolts 204, and the arc-shaped rubber plate 202 is fixed by being inserted into the two groups of bolts 204 and the movable plate 201, and the arc-shaped rubber plate 202 is fixed by being inserted into the two groups of bolts 204, and the movable plate 201 is replaced quickly according to different bar processing clamping requirements, and a plurality of specifications of bars are adapted, the replacement and adjustment time of equipment downtime is reduced, the processing efficiency is improved, the outer end of the two groups of movable plates 201 is provided with an adjusting rod 206, one end of the adjusting rod 206 extends to the outside through the fixed plate 1, and the air cylinder 207 is installed at one end of the adjusting rod 206, and the air cylinder 207 is connected to the adjusting rod 206 to push the two groups of movable plates 201 relative to the clamped bar, the clamping force is uniform, the bar is stably clamped during processing, sliding or deformation caused by uneven clamping force is avoided, and stable clamping work of the bar is ensured.

[0023] Please refer to Figures 2-3In the embodiment, the outer wall of the two groups of movable plates 201 is welded with a limiting ring 205, the outer end of the limiting ring 205 is provided with a screw, the limiting ring 205 is fixed with the adjusting rod 206 through the screw, different movable plates 201 are replaced according to different clamping quantities and processing requirements, the clamping range of the device is increased, the adaptability of the device is improved, the overall flexibility is improved, the lower end of the adjusting rod 206 is welded with a connecting plate 212 at both ends of the fixed plate 1, the upper end of the connecting plate 212 is fixed with two groups of supporting blocks 213, the two groups of supporting blocks 213 are arranged in close contact with the adjusting rod 206, the adjusting rod 206 is supported by the two groups of supporting blocks 213, the adjusting rod 206 is stably pushed to move the movable plate 201 for clamping, and fast and stable processing work is realized.

[0024] Please refer to Figures 2-4 In the embodiment, the outer end corner of the fixed plate 1 is welded with a connecting block 210, the inside of the connecting block 210 is provided with a limiting bolt 211, the fixed plate 1 is installed in the specified processing area by using the limiting bolt 211 and the connecting block 210, the position of the bar material is kept stable during the processing, the overall stability is improved, the outer wall of the fixed plate 1 is provided with a control module 209, the control module 209 is electrically connected with the two groups of cylinders 207, the clamping of the cylinders 207 is controlled by using the control module 209, the clamping force and the clamping position of the cylinders 207 are accurately controlled, the deformation of the bar material or the processing error caused by uneven clamping force is avoided, and the processing quality is improved.

[0025] In the process of working, first, the fixed plate 1 is transported to the designated processing area, the spacer bolt 211 is used to combine the adapter block 210 to assist the fixed plate 1 to be installed in the designated processing area, to ensure that the bar remains stable during processing, second, different movable plates 201 are replaced according to different clamping quantities and processing requirements, so that they can adapt to different diameters and quantities of bars in subsequent processing, and the use range of the equipment is increased, when the movable plate 201 is replaced first, the latch 204 is used to insert and limit the arc-shaped rubber plate 202 and the movable plate 201 that are matched with the bar, to adapt to bars of various specifications and reduce the replacement and adjustment time of equipment downtime, when the arc-shaped rubber plate 202 is replaced, the control module 209 is used to adjust the extension speed and clamping force of the cylinder 207 connected to the adjusting rod 206, to avoid deformation or processing errors of the bar caused by uneven clamping force, when the cylinder 207 connected to the adjusting rod 206 pushes the movable plate 201 to clamp the bar, the arc-shaped rubber plate 202 is in contact with the surface of the bar, the arc-shaped rubber plate 202 has good elasticity and can provide certain buffering during clamping, to avoid the clamping force acting directly on the surface of the bar and prevent scratching and damage, and the arc-shaped rubber plate 202 is in contact with the surface of the bar, to uniformly distribute the clamping force in the contact area, reduce local stress concentration, and combine with multiple groups of anti-skid washers 203 to assist the arc-shaped rubber plate 202 to limit the bar, combine with the soft plate 208 to assist the bar to limit, and realize stable processing of the bar.

[0026] Through the above steps, by using the arc-shaped rubber plate 202 to fit when clamping the bar, the arc-shaped rubber plate 202 has good elasticity and can provide certain buffering during clamping, to avoid the clamping force acting directly on the surface of the bar, thereby preventing scratching, indentation or other mechanical damage, and the arc-shaped rubber plate 202 is in contact with the surface of the bar, to uniformly distribute the clamping force in the contact area, reduce local stress concentration, and combine with multiple groups of anti-skid washers 203 to assist the arc-shaped rubber plate 202 to limit the bar, so that the bar remains stable after clamping, to prevent processing errors caused by sliding or vibration of the bar during processing, and improve processing precision and surface quality.

Claims

1. An anti-damage bar processing clamping structure comprising a fixed plate (1); characterized in that: Also include protection limiting assembly; the inside of fixed plate (1) is installed for protecting the protection limiting assembly of bar material clamping positioning, protection limiting assembly includes movable plate (201), arc rubber plate (202), non-slip gasket (203), limiting ring (205), soft plate (208), the inside of fixed plate (1) is equipped with two groups of movable plate (201) symmetrically, the inside of two groups of movable plate (201) is opened multiple sets of limiting grooves, the inside of multiple sets of limiting grooves is equipped with arc rubber plate (202), the inner wall of arc rubber plate (202) is fixed with several groups of non-slip gasket (203), the inside of fixed plate (1) is paved with soft plate (208).

2. The damage-free bar processing clamp structure according to claim 1, characterized by: The outer end of arc rubber plate (202) is welded with two groups of bolts (204), multiple sets of limiting grooves are opened with the plug hole accommodating bolt (204), arc rubber plate (202) is all inserted and fixed with movable plate (201) through two groups of bolts (204).

3. The damage-free bar processing clamp structure according to claim 2, characterized by: The outer end of two groups of movable plate (201) is installed with adjusting rod (206), one end of adjusting rod (206) extends to the outside through fixed plate (1), one end of adjusting rod (206) is installed with air cylinder (207).

4. The damage-free bar processing clamp structure according to claim 2, characterized by: The outer wall of two groups of movable plate (201) is welded with limiting ring (205), the outer end of limiting ring (205) is equipped with screw, limiting ring (205) is threadedly fixed with adjusting rod (206) through screw.

5. The damage-free bar processing clamp structure according to claim 3, characterized by: The lower of adjusting rod (206) is welded with connecting plate (212) at both ends of fixed plate (1), the upper end of connecting plate (212) is all fixed with two groups of support blocks (213), two groups of support blocks (213) are set with adjusting rod (206) adhesion.

6. The damage-free bar processing clamp structure according to claim 1, characterized by: The outer corner of fixed plate (1) is welded with link block (210), the inside of link block (210) is all equipped with limiting bolt (211).

7. The damage-free bar processing clamp structure according to claim 5, characterized by: The outer wall of fixed plate (1) is installed with control module (209), control module (209) is electrically connected with two groups of air cylinder (207).

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