Metal part polishing clamp not prone to loosening

Abstract

The utility model discloses a metal part polishing clamp difficult to loosen, and particularly relates to the technical field of clamps, the metal part polishing clamp difficult to loosen comprises a clamp seat, clamping plates are symmetrically arranged at the top of the clamp seat, and a bidirectional lead screw is rotatably installed in the clamp seat. The brush rod is continuously driven to drive the bristles to reciprocate, so that the bristles clean the surface of the clamp seat and collect chippings into the collecting box, the situation that the chippings scattered on the clamp seat affect the machining precision of a workpiece is avoided, the two-way lead screw drives the two clamping plates to clamp the workpiece, the workpiece clamping and fixing effect is better, and the machining precision is improved. Loosening in the machining process is avoided, and the practicability is higher; and through the door assembly, the door assembly can be in linkage with the two-way lead screw, the second sliding block is driven to reciprocate in a transmission mode, the grid plate is driven to overturn towards the interior of the clamp base, chippings slide into the clamp base to be collected, the cleaning effect is improved, and the labor intensity of workers is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fixture, concretely is a metal part polishing fixture not easy to loosen. BACKGROUND

[0002] Metal part polishing fixture is a tool for assisting metal part polishing; it fixes and clamps metal parts to ensure stability and safety during polishing; the design of the fixture should consider the shape and size of the metal part to ensure firm clamping; the fixture is usually made of strong metal material, such as steel, to ensure sufficient strength and durability, which provides a safe and stable clamping method to avoid sliding and displacement of the metal part during polishing; secondly, by using the fixture, the polishing process and precision can be better controlled to ensure that the metal part reaches the required surface smoothness and precision.

[0003] Patent library discloses a kind of fixed platform for metal part machining (authorized announcement number CN216913389U), including workbench, the both sides of workbench top are all fixedly connected with side plate, the top of side plate inner side is fixedly connected with support plate, the center of support plate top is fixedly connected with hydraulic rod, the bottom of hydraulic rod is penetrated to the bottom of support plate and is fixedly connected with connecting plate, the bottom of the both sides of side plate is all fixedly connected with shell.The utility model provides a kind of fixed platform for metal part machining, operator first places workpiece on workbench, then opens cylinder, hydraulic rod and polishing motor by peripheral controller, cylinder drives first push plate to start moving, first push plate drives second push plate to start moving by spring and telescopic rod, second push plate drives moving column to start moving, moving column drives baffle to start moving by limiting ring, so that baffle clamps and fixes workpiece.

[0004] In the above-mentioned device for machining metal parts, the fixture structure mentioned above is used to fix the workpiece for polishing machining, which will produce some debris scattered on the surface of the fixture, thereby affecting the precision of the workpiece machining, and the workers also need to clean up, increasing the labor intensity of the workers, which is inconvenient to use and has relatively poor practicability. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of metal part polishing fixture not easy to loosen to solve the problems raised in the above-mentioned background technology.

[0006] In order to solve the above technical problems, the utility model provides technical scheme as follows: A metal part polishing fixture not easy to loosen, including clamp seat, the clamp seat top is equipped with the clamping plate symmetry, the two -way screw rod is rotationally installed in the clamp seat, the one end of two -way screw rod is connected with motor outside the clamp seat, the outside of two -way screw rod symmetry position all match the sliding block one of movable connection of being equipped with, the clamp seat top is equipped with the sliding groove of being suitable for sliding block one, the clamping plate bottom is fixedly connected with the sliding block one upper end, the clamping plate is equipped with cleaning mechanism, the clamp seat top is equipped with the door subassembly of being connected with two -way screw rod between two sliding grooves, the clamp seat top is equipped with a plurality of rectangular slots between the two sides of sliding groove symmetry, the guide rod is fixedly installed below two -way screw rod in the clamp seat, and the lower end of sliding block one is slidably sleeved on the outside of guide rod, the collecting box is movably embedded and installed to one side of clamp seat.

[0007] Further, the cleaning mechanism includes a fixed shell, and the fixed shell is fixedly installed on one side of the clamping plate, a crankshaft is rotatably installed in the fixed shell, a gear is connected to the lower end of the crankshaft outside the fixed shell, a rack is provided on one side of the clamp seat and engaged with the gear, a cleaning groove is formed in the bottom of the clamping plate, a brush rod is provided in the cleaning groove, and a plurality of bristles are provided on the bottom of the brush rod, one end of the brush rod is movably connected to the crankshaft through a connecting piece, and a sliding strip is symmetrically provided on the outer wall of the brush rod. A guide groove is symmetrically formed in the inner wall of the cleaning groove and matched with the sliding strip. The setting of the cleaning mechanism can drive the brush rod to drive the bristles to clean the debris scattered on the top surface of the clamp seat when the clamping plate is driven to move towards the opposite inner side, so that the cleaned debris falls into the clamp seat through the rectangular slots and is collected in the collecting box.

[0008] Further, the door assembly includes a protective shell, and the protective shell is fixedly installed on the top of the clamp seat, the protective shell is sleeved on the outside of the two-way screw rod, a bevel gear one is sleeved on the outside of the two-way screw rod inside the protective shell, a reciprocating screw rod is rotatably installed on the outside of the protective shell symmetrically, a bevel gear two is connected to one end of the reciprocating screw rod inside the protective shell and engaged with the bevel gear one, a sliding block two is movably connected and matched with the reciprocating screw rod outside, a lower groove is symmetrically formed in the top of the clamp seat, and a grid plate is hingedly installed in the groove, the bottom of the grid plate is movably connected to the sliding block two through a connecting rod. The setting of the door assembly can be linked between the two-way screw rod, so that when the position of the clamping plate is adjusted, the reciprocating screw rod is continuously driven to move reciprocally to drive the grid plate to flip downward, the opening and closing of the groove are realized, the debris on the surface slides into the clamp seat to be collected when the grid plate is inclined, the cleaning effect is improved, and the labor intensity of the workers is reduced.

[0009] Further, the cleaning ring is arranged on both sides of the slider one and the slider two, and a plurality of bristles are arranged on the inner wall of the cleaning ring and are in contact with the bidirectional screw rod or the reciprocating screw rod, so that the bidirectional screw rod and the reciprocating screw rod are cleaned, and the adhesion of the debris on the surface of the bidirectional screw rod or the reciprocating screw rod is avoided.

[0010] Further, the crankshaft is rotatably connected with the fixed shell through a bearing, the connecting piece is hingedly connected with the brush rod and the crankshaft at two ends respectively, and the cross section of the sliding strip is trapezoidal, so that the brush rod is limited and guided, and movement of the brush rod is more stable.

[0011] Further, the connecting rod is hingedly connected with the slider two and the grid plate at two ends respectively, the outer side of the two grid plates is circular arc-shaped at one end, and the circular arc-shaped one end of the grid plate is tangent to one side wall in the slot, so that the grid plate can be normally turned over in the slot.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] The utility model discloses a cleaning mechanism can be used to drive the gear to drive the crankshaft to rotate when the movable clamping plate moves to clamp and fix the workpiece, and then the brush rod is continuously driven to drive the bristles to reciprocate, so that the bristles clean the debris scattered on the surface of the fixture base and drop into the fixture base, and then the debris is collected into the collecting box, so that the machining precision of the workpiece is not affected by the debris scattered on the fixture base, and the workpiece is clamped and fixed better by the two clamping plates driven by the bidirectional screw rod, so that the workpiece is not loose during machining, and the utility model is more stable and practical.

[0014] The utility model discloses a door assembly can be linked with the bidirectional screw rod, and when the clamping plate is adjusted, the second slider is driven to reciprocate, and then the grid plate is turned over into the fixture base, so that the debris on the surface of the grid plate falls into the fixture base and is collected, the cleaning effect is improved, and the labor intensity of workers is reduced. ACCURATE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the utility model and constitute a part of the specification, are used to explain the utility model together with embodiments of the utility model, and do not constitute the limitation to the utility model.

[0016] Figure 1 It is the structure schematic diagram of the whole utility model;

[0017] Figure 2 It is the local structure schematic diagram between the one side clamping plate and the sliding strip, the brush rod of the utility model;

[0018] Figure 3 It is the local structure schematic diagram between the one side clamping plate and the sliding strip, the brush rod of the utility model; Figure 2A schematic diagram of a partial cross-sectional structure;

[0019] Figure 4 This is a utility model Figure 2 A magnified structural diagram of A in the middle;

[0020] Figure 5 This is a schematic diagram of the structure of the bevel gear 1, bevel gear 2 protective shell, bidirectional lead screw and reciprocating lead screw of this utility model;

[0021] In the diagram: 1. Fixture base; 2. Clamping plate; 3. Bidirectional lead screw; 4. Motor; 5. Slider 1; 6. Cleaning ring; 7. Guide rod; 8. Collection box; 9. Protective shell; 10. Fixing shell; 11. Crankshaft; 12. Gear; 13. Rack; 14. Brush rod; 15. Sliding bar; 16. Connecting piece; 17. Grid plate; 18. Reciprocating lead screw; 19. Slider 2; 20. Connecting rod; 21. Bevel gear 1; 22. Bevel gear 2; 23. Slide groove; 24. Rectangular groove. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] like Figure 1 - Figure 5The shown one kind not easy to loosen metal parts polishing fixture, including clamp seat 1, the top of clamp seat 1 is provided with clamping plate 2 symmetrically, in the example, the opposite wall of clamping plate 2 is provided with antiskid layer, to increase the friction with workpiece, improve the fixing effect to workpiece, avoid the sliding during processing, the double-way screw rod 3 is rotatably installed in the inside of clamp seat 1, one end of double-way screw rod 3 is connected with motor 4 outside clamp seat 1, the outside of double-way screw rod 3 is symmetrically matched with the sliding block one 5 of movable connection, the top of clamp seat 1 is symmetrically provided with the sliding groove 23 matched with sliding block one 5, the upper end of sliding block one 5 is fixedly connected with the bottom of clamping plate 2, the inside of clamping plate 2 is provided with cleaning mechanism, the top of clamp seat 1 is provided with the door assembly connected with double-way screw rod 3 between two sliding grooves 23, the top of clamp seat 1 is symmetrically provided with a plurality of rectangular grooves 24 on the both sides of sliding groove 23, the guide rod 7 is fixedly installed in the inside of clamp seat 1 below double-way screw rod 3, and the lower end of sliding block one 5 is slidably sleeved on the outside of guide rod 7, the collecting box 8 is movably embedded and installed on one side of clamp seat 1.In the example, the cleaning mechanism includes fixed shell 10, and the fixed shell 10 is fixedly installed on one side of clamping plate 2, the crankshaft 11 is rotatably installed in the inside of fixed shell 10, the lower end of crankshaft 11 is connected with gear 12 outside fixed shell 10, one side of clamp seat 1 is provided with rack 13 engaged with gear 12, the bottom of clamping plate 2 is provided with cleaning groove, the cleaning groove is provided with brush rod 14, and the bottom of brush rod 14 is provided with a plurality of bristles, one end of brush rod 14 is movably connected with crankshaft 11 through connecting piece 16, the outer wall of brush rod 14 is symmetrically provided with sliding strip 15, the inside wall of cleaning groove is symmetrically provided with guide groove matched with sliding strip 15, the setting of cleaning mechanism can drive brush rod 14 to drive bristle to clean the debris scattered on the top surface of clamp seat 1 when driving clamping plate 2 to move to the opposite inside direction, so that the debris cleaned by it falls through rectangular groove 24 into the inside of clamp seat 1 and is collected in collecting box 8.In the example, the door assembly includes protective shell 9, and the protective shell 9 is fixedly installed on the inside top of clamp seat 1, the protective shell 9 is sleeved on the outside of double-way screw rod 3, the bevel gear one 21 is sleeved on the outside of double-way screw rod 3 in the inside of protective shell 9, the reciprocating screw rod 18 is rotatably installed on the outside of protective shell 9 symmetrically, one end of reciprocating screw rod 18 is connected with bevel gear two 22 engaged with bevel gear one 21 in the inside of protective shell 9, the sliding block two 19 of movable connection is matched and sleeved on the outside of reciprocating screw rod 18, the top of clamp seat 1 is symmetrically provided with lower notch, and the notch is hingedly installed with grid plate 17, the bottom of grid plate 17 is movably connected with sliding block two 19 through connecting rod 20, the setting of door assembly can be linked between double-way screw rod 3, so that it drives reciprocating screw rod 18 to reciprocate and drive grid plate 17 to turn down when adjusting the position of clamping plate 2, realize the opening and closing of notch, so that the debris on its surface slides to the inside of clamp seat 1 and is collected when grid plate 17 is inclined, improve the cleaning effect, reduce the labor intensity of workers.

[0024] In the example, the cleaning ring 6 is connected to both sides of the slider 5 and the slider 19, and the inner wall of the cleaning ring 6 is provided with a plurality of brush hairs in contact with the bidirectional screw rod 3 or the reciprocating screw rod 18, so as to move with the slider 5 and the slider 19, so as to clean the bidirectional screw rod 3 and the reciprocating screw rod 18, and avoid the adhesion of some debris on the surface of the bidirectional screw rod 3 or the reciprocating screw rod 18 to affect the use. In the example, the crankshaft 11 is rotatably connected to the fixed shell 10 through a bearing, the two ends of the connecting piece 16 are hingedly connected to the brush rod 14 and the crankshaft 11 respectively, and the cross section of the sliding strip 15 is trapezoidal, so as to limit and guide the brush rod 14, and make the movement more stable. In the example, the two ends of the connecting rod 20 are hingedly connected to the slider 19 and the grid plate 17 respectively, the opposite outer sides of the two grid plates 17 are arc-shaped, and the arc-shaped end of the grid plate 17 is tangent to the inner side wall of the slot, so that the grid plate 17 can normally flip in the slot.

[0025] The working principle of the utility model is: when using, the bidirectional screw rod 3 is driven to rotate by the starting motor 4, so as to synchronously drive the two sliders 5 to drive the clamping plates 2 to move, so that the two clamping plates 2 move synchronously to the opposite inner side, so that the clamping plates 2 clamp and fix the workpiece, so that the phenomenon of loose clamping when the workpiece is clamped by the hydraulic telescopic rod or the cylinder does not exist, so that the clamping of the workpiece is more stable, and the movement of the clamping plate 2 drives the crankshaft 11 and the gear 12 to move, the gear 12 is driven to rotate by the gear 12 under the meshing action between the gear 12 and the rack 13, the crankshaft 11 drives the connecting piece 16, and the brush rod 14 connected with the connecting piece 16 moves left and right under the guidance of the sliding strip 15, so that the brush rod 14 drives the brush to clean the debris on the lower fixture base 1, and the cleaned debris falls into the fixture base 1 and is collected into the collecting box 8, and the rotation of the bidirectional screw rod 3 drives the bevel gear one 21, so that the bevel gear one 21 drives the bevel gear two 22 meshed with it to drive the reciprocating screw rod 18 to rotate, so that the reciprocating screw rod 18 drives the slider 19 to reciprocate, so that the slider 19 drives the connecting rod 20 connected with it to drive the grid plate 17 to flip around the hinge with the fixture base 1 to the inside of the fixture base 1 and reset, so that the grid plate 17 slides the debris on the grid plate 17 into the fixture base 1 when it is inclined, so as to collect and process the debris, improve the effect of cleaning the debris on the surface of the fixture base 1, reduce the labor intensity of the workers, and be convenient and practical to use.

[0026] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. A metal part polishing clamp that is not easy to loosen, comprising a clamp base (1), characterized in that: the top of the clamp base (1) is symmetrically provided with a clamping plate (2), a bidirectional screw rod (3) is rotatably installed in the clamp base (1), one end of the bidirectional screw rod (3) is connected with a motor (4) outside the clamp base (1), the outer side of the bidirectional screw rod (3) is symmetrically provided with a sliding block one (5) matched and movably connected, the top of the clamp base (1) is symmetrically provided with a sliding groove (23) matched with the sliding block one (5), the upper end of the sliding block one (5) is fixedly connected with the bottom of the clamping plate (2), a cleaning mechanism is arranged in the clamping plate (2), a door assembly connected with the bidirectional screw rod (3) is arranged between the two sliding grooves (23) on the top of the clamp base (1), a plurality of rectangular grooves (24) are symmetrically provided on the both sides of the sliding groove (23) on the top of the clamp base (1), a guide rod (7) is fixedly installed below the bidirectional screw rod (3) in the clamp base (1), the lower end of the sliding block one (5) is movably sleeved on the outer side of the guide rod (7), and a collecting box (8) is movably embedded and installed on one side of the clamp base (1). The cleaning mechanism comprises a fixed shell (10) fixedly installed on one side of the clamping plate (2), a crankshaft (11) rotatably installed in the fixed shell (10), a gear (12) connected with the lower end of the crankshaft (11) outside the fixed shell (10), a rack (13) provided on one side of the clamp base (1) and engaged with the gear (12), a cleaning groove provided in the bottom of the clamping plate (2), a brush rod (14) arranged in the cleaning groove and provided with a plurality of bristles on the bottom, the brush rod (14) movably connected with the crankshaft (11) through a connecting piece (16), the brush rod (14) symmetrically provided with a sliding strip (15) on the outer wall, and the cleaning groove symmetrically provided with a guide groove matched with the sliding strip (15) on the inner wall.

2. A non-loose metal part polishing fixture according to claim 1, characterized in that: The door assembly comprises a protective shell (9) fixedly installed on the inner top of the clamp base (1), the protective shell (9) sleeved on the outer side of the bidirectional screw rod (3), a bevel gear one (21) sleeved on the outer side of the bidirectional screw rod (3) in the protective shell (9), a reciprocating screw rod (18) rotatably installed on the outer side of the protective shell (9) at a symmetric position, a bevel gear two (22) connected with the bevel gear one (21) and movably connected with one end of the reciprocating screw rod (18) in the protective shell (9), a sliding block two (19) movably connected and matched and sleeved on the outer side of the reciprocating screw rod (18), and a lower groove symmetrically provided on the top of the clamp base (1) and hingedly installed with a grid plate (17) in the groove, the grid plate (17) movably connected with the sliding block two (19) through a connecting rod (20).

3. A non-loose metal part polishing fixture according to claim 1, characterized in that: The sliding block one (5) and the sliding block two (19) are both connected with a cleaning ring (6) provided with a plurality of bristles contacting with the bidirectional screw rod (3) or the reciprocating screw rod (18) on the inner wall.

4. A non-loose metal part polishing fixture according to claim 3, characterized in that: The crankshaft (11) is rotatably connected with the fixed shell (10) through a bearing, the connecting piece (16) is hingedly connected with the brush rod (14) and the crankshaft (11) at both ends, and the cross section of the sliding strip (15) is trapezoidal.

5. A non-loose metal part polishing fixture according to claim 2, characterized in that: ​ 6. A non-loose metal part polishing fixture according to claim 3, characterized in that: Two ends of the connecting rod (20) are respectively hinged with the slider (19) and the grid plate (17), and the opposite outer sides of the two grid plates (17) are circular arc-shaped, and the circular arc-shaped ends of the grid plates (17) are tangent to the inner side walls of the notches.

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