Clamp for coating spraying

Abstract

The utility model relates to the technical field of clamps, in particular to a clamp for coating spraying. According to the technical scheme, the clamping device comprises a cross-shaped bracket, at least four clamping plates are installed at the top of the cross-shaped bracket in a sliding mode, a workpiece is jointly clamped among the four clamping plates, the positioning screws are arranged below the cross-shaped bracket, the number of the positioning screws is at least four, and the bottom of each clamping plate is movably connected to the corresponding positioning screw in a sleeving mode. The ejector rods are arranged on the clamping plate, the ejector rods are divided into two groups and are respectively fixed on two outer side walls of the clamping plate, and the bearing frame is arranged at the top of the cross-shaped bracket. The outer wall of a workpiece can be clamped and positioned through the ejector rods installed on the clamping plates, it is guaranteed that the upper surface of the workpiece is completely exposed, the inner wall of the workpiece can also be supported and positioned, the fixture is suitable for the situation that the upper surface and the outer side wall of the workpiece need spraying treatment, the coverage area of the fixture on the spraying face of the workpiece is reduced, and the spraying efficiency is improved. The whole spraying surface can be treated at a time, and the spraying effect is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fixture, especially relates to a coating spraying clamp. BACKGROUND

[0002] Coating spraying is a kind of workpiece processing process, and metal workpiece spraying coating not only can play the rustproof function, but also can improve the workpiece's aesthetic degree, and the workpiece needing spraying treatment is mostly used as appearance part, so the exposed surface of the workpiece needs to be sprayed, the workpiece is positioned using the clamp, and then the coating is sprayed on the outer surface of the workpiece by means of the spray gun, when the coating solidifies, a layer of beautiful protective film can be formed on the surface of the workpiece.

[0003] The existing coating spraying clamp is usually clamped and fixed on the surface of the workpiece in actual use, and the impact force of the coating on the workpiece will not cause the workpiece to fall when the spray gun sprays the coating on the workpiece, so that the stability of the clamped workpiece is effectively improved.

[0004] However, in the actual spraying process, the workpiece as an appearance part needs to be sprayed on the outer surface, if the clamp directly clamps the surface of the workpiece, the part of the workpiece in contact with the clamp will be covered, so it cannot be sprayed with the coating, and the clamping position needs to be changed after the coating of the sprayed part solidifies, so that the overall spraying of the workpiece surface can be completed, so the entire spraying surface treatment cannot be completed at one time, which obviously reduces the spraying efficiency, therefore, the present application provides a coating spraying clamp capable of completing the entire spraying surface treatment of the workpiece at one time. UTILITY MODEL CONTENTS

[0005] The utility model aims at the problem that the clamp covers the surface of the workpiece and cannot complete the entire spraying surface treatment at one time, and provides a coating spraying clamp capable of completing the entire spraying surface treatment of the workpiece at one time.

[0006] The technical scheme of the utility model: a coating spraying clamp, including cross-shaped bracket, at least four clamping plates are slidably installed on the top of the cross-shaped bracket, the four clamping plates jointly clamp a workpiece, a positioning screw is arranged below the cross-shaped bracket, the positioning screw is provided with at least four positioning screws, the bottom of each clamping plate is movably sleeved on the matching positioning screw, a jacking rod is arranged on the clamping plate, the jacking rod is divided into two groups and is fixed on the two outer side walls of the clamping plate, the workpiece is clamped between the matching jacking rods, a supporting bracket is arranged on the top of the cross-shaped bracket, and the top of the supporting bracket is in contact with the lower surface of the workpiece.

[0007] Optionally, at least four long strip-shaped openings are dug in the cross-shaped bracket, the bottom of the clamping plate is fixedly installed with a sliding block, and the sliding block passes through the matching long strip-shaped opening and is movably connected with the long strip-shaped opening.

[0008] Optionally, the lower surface of the sliding block is fixedly installed with a limiting plate through a screw, the limiting plate is arranged below the cross-shaped bracket, the bottom of the limiting plate is fixedly installed with a connecting plate, and the positioning screw passes through a circular through hole drilled on the connecting plate and is movably connected with the connecting plate.

[0009] Optionally, the bottom of the cross-shaped bracket is fixedly installed with a plurality of straight plates, the two distal ends of the positioning screw are fixedly connected with the matched straight plates, two locking nuts are threadedly installed on the positioning screw, and the connecting plate is clamped between the two matched locking nuts.

[0010] Optionally, the supporting bracket comprises a circular seat, the circular seat is fixed on the upper surface of the cross-shaped bracket, the top of the circular seat is fixedly installed with a threaded rod, the top of the threaded rod is threadedly installed with an internally-threaded sleeve, the top of the internally-threaded sleeve is fixedly installed with a rubber pad, and the upper surface of the rubber pad is in contact with the lower surface of the workpiece.

[0011] Optionally, the bottom of the cross-shaped bracket is fixedly installed with a connecting cylinder, and the inner wall of the connecting cylinder is provided with an internally-threaded structure.

[0012] Compared with the prior art, the present application has at least one of the following beneficial technical effects: the outer wall of the workpiece can be clamped and positioned by the top rod installed on the clamping plate, the upper surface of the workpiece is completely exposed, comprehensive spraying treatment can be achieved, the clamping plate can be used for supporting and positioning the inner wall of the workpiece, the clamping plate is suitable for the case that the upper surface and the outer lateral wall of the workpiece need to be sprayed, the coverage area of the clamping plate on the spraying surface of the workpiece is reduced, the entire spraying surface can be treated at one time, and the spraying efficiency is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 A workpiece outer wall clamping state diagram of the present application is given;

[0014] Figure 2 A workpiece inner wall supporting state diagram of the present application is given;

[0015] Figure 3 A clamping plate structure diagram of the present application is given;

[0016] Figure 4 A supporting bracket structure diagram of the present application is given.

[0017] Fig. 1, cross-shaped bracket; 11, straight plate;

[0018] 2, clamping plate; 21, top rod; 22, sliding block; 23, limiting plate; 24, connecting plate;

[0019] 3, workpiece;

[0020] 4, support bracket; 41, round seat; 42, threaded rod; 43, internally threaded sleeve; 44, rubber pad;

[0021] 5, long strip-shaped opening;

[0022] 6, positioning screw;

[0023] 7, locking nut;

[0024] 8, connecting barrel. DETAILED DESCRIPTION

[0025] The technical scheme of the utility model will be further described below in combination with the drawings and specific embodiments.

[0026] EMBODIMENT

[0027] As Figures 1-4 shown, the utility model provides a clamp for paint spraying, including cross bracket 1, four clamping plates 2 are installed at least on the cross bracket 1 and slide, adjust the spacing between clamping plate 2, can be clamped and fixed to different size workpieces 3, the lower surface of the cross bracket 1 is fixedly installed with several straight plates 11, and the two straight plates 11 of same group are commonly fixedly installed with positioning screw 6, the bottom end of clamping plate 2 passes through cross bracket 1 and is movably connected with positioning screw 6, effectively improve the stability when clamping plate 2 is transversely adjusted, the two outer side walls of clamping plate 2 away from each other are fixedly installed with several jacks 21, the outer side wall of workpiece 3 can be clamped and placed through jack 21, is applicable to the workpiece 3 needing to spray the upper surface, the inner side wall of workpiece 3 can also be supported by the above-mentioned jack 21, as inner lining support structure, can also position workpiece 3, is applicable to the workpiece 3 needing to spray the upper surface and the outer side, avoid the spraying surface of workpiece 3 to be shielded by clamp, can complete the processing of entire spraying surface at a time;The top of the cross bracket 1 is fixedly installed with support bracket 4 that can be adjusted in lifting, and the top of the support bracket 4 is in contact with the lower surface of workpiece 3, the bottom of workpiece 3 is supported through support bracket 4, and the firmness after clamping and positioning workpiece 3 can be improved.

[0028] Further, the cross-shaped bracket 1 is provided with at least four long strip-shaped openings 5 above the matched positioning screw 6, the bottom of the clamping plate 2 is fixedly provided with a sliding block 22, the bottom end of the sliding block 22 passes through the long strip-shaped opening 5 and is movably connected with the long strip-shaped opening 5, the movement track of the sliding block 22 is limited through the long strip-shaped opening 5, and the stability of the clamping plate 2 during transverse adjustment is effectively improved; the lower surface of the sliding block 22 is fixedly provided with a limiting plate 23 through a screw, the limiting plate 23 is installed below the cross-shaped bracket 1, at this time, the cross-shaped bracket 1 is located between the limiting plate 23 and the clamping plate 2, the sliding block 22 and the long strip-shaped opening 5 can be prevented from being disconnected, and the clamping plate 2 can be prevented from falling from the cross-shaped bracket 1.

[0029] Secondly, the connecting plate 24 is provided with a circular through hole, the positioning screw 6 passes through the circular through hole and is movably connected with the circular through hole, the position of the connecting plate 24 along the positioning screw 6 is adjusted; the two locking nuts 7 are threadedly installed on the positioning screw 6, when the position adjustment of the clamping plate 2 is completed, the locking nut 7 is rotated to one side of the connecting plate 24, when the connecting plate 24 is tightly clamped between the two locking nuts 7, the clamping plate 2 can be locked and positioned, and movement of the clamping plate 2 is prevented.

[0030] Further, the support bracket 4 comprises a circular seat 41 fixed on the top of the cross-shaped bracket 1, a threaded rod 42 is fixedly installed on the top of the circular seat 41, a female threaded sleeve 43 is threadedly sleeved on the end of the threaded rod 42 away from the circular seat 41, the overall height of the support bracket 4 can be adjusted by rotating the female threaded sleeve 43, and the operation is convenient; the rubber pad 44 is fixedly installed on the top of the female threaded sleeve 43, the upper surface of the rubber pad 44 is attached to the lower surface of the workpiece 3, and then the bottom of the workpiece 3 can be effectively supported, when the workpiece 3 is impacted by the paint sprayed by the spray gun, the workpiece 3 can be prevented from shaking, and the workpiece 3 can be firmly clamped on the clamp.

[0031] Secondly, the lower surface of the cross-shaped bracket 1 is fixedly provided with a connecting barrel 8, the inner wall of the connecting barrel 8 is provided with an internal thread structure, one end of the support can be fixed in the connecting barrel 8, so that the clamp can be stably erected on the spraying equipment.

[0032] In this embodiment, first, according to the size of the workpiece 3, the position of the clamping plate 2 is adjusted to ensure that the top rod 21 mounted on the clamping plate 2 can be in close contact with the workpiece 3, and then the locking nuts 7 on the positioning screw 6 are rotated to tightly clamp and fix the connecting plate 24 by the two locking nuts 7 to prevent the adjusted clamping plate 2 from moving; in order to improve the stability of the workpiece 3 after clamping, the height of the support frame 4 can be adjusted according to the thickness of the workpiece 3, and the inner threaded sleeve 43 is rotated upward, and when the rubber pad 44 is in contact with the lower surface of the workpiece 3, the bottom of the workpiece 3 can be stably supported to avoid the impact force caused by the paint sprayed by the spray gun from causing the workpiece 3 to shake.

[0033] When the workpiece 3 to be sprayed on the upper surface is processed, the outer side wall of the workpiece 3 is clamped and fixed by the top rod 21 arranged on the inner side of the clamping plate 2, which can prevent the workpiece 3 from moving horizontally, and the workpiece 3 can be firmly clamped between the plurality of clamping plates 2 in combination with the support of the workpiece 3 bottom by the support frame 4. At this time, the upper surface of the workpiece 3 is in a completely exposed state, so that the paint can be fully covered on the upper surface, and the spraying process can be completed at one time.

[0034] When the workpiece 3 to be sprayed on the upper surface and the outer side is processed, the inner side wall of the workpiece 3 is supported by the top rod 21 arranged on the outer side of the clamping plate 2, and the plurality of clamping plates 2 simultaneously provide a reverse force to the workpiece 3, which can effectively support the workpiece 3, and in combination with the stable support provided by the support frame 4 on the bottom of the workpiece 3, the workpiece 3 can be firmly clamped and positioned. At this time, the upper surface and the outer side of the workpiece 3 are in a completely exposed state, so that the spraying surface can be fully covered with paint, and the spraying process can be completed at one time.

[0035] The clamp in the present application can firmly clamp and position the workpiece 3 in the actual use process, and will not cover the spraying surface of the workpiece 3, solving the problem that the conventional clamp covers the spraying surface and needs to change the clamping position to complete the processing of the entire spraying surface, achieving the effect of saving time and effort, and effectively improving the efficiency of the spraying operation.

[0036] The above specific embodiments are only several optional embodiments of the present application, and based on the technical scheme of the present application and the related inspiration of the above embodiments, those skilled in the art can make various alternative improvements and combinations on the above specific embodiments.

Claims

1. A fixture for paint spraying, comprising a cross-shaped bracket (1), the top of which is slidably mounted with four clamping plates (2), the four clamping plates (2) together clamping a workpiece (3), characterized in that, Also include: Positioning screw (6) is arranged below the cross-shaped bracket (1), the positioning screw (6) is provided with at least four, and the bottom of each clamping plate (2) is movably sleeved on the matched positioning screw (6); The top rod (21) is arranged on the clamping plate (2), the top rod (21) is divided into two groups and is fixed on the two outer side walls of the clamping plate (2), and the workpiece (3) is clamped between the matched top rods (21); The supporting bracket (4) is arranged on the top of the cross-shaped bracket (1), and the top of the supporting bracket (4) is in contact with the lower surface of the workpiece (3).

2. The paint spraying fixture of claim 1, wherein At least four long strip-shaped openings (5) are formed in the cross-shaped bracket (1), the bottom of the clamping plate (2) is fixedly provided with a sliding block (22), and the sliding block (22) passes through the matched long strip-shaped opening (5) and is movably connected with the long strip-shaped opening (5).

3. A paint spraying fixture according to claim 2, wherein The lower surface of the sliding block (22) is fixedly provided with a limiting plate (23) through a screw, the limiting plate (23) is arranged below the cross-shaped bracket (1), the bottom of the limiting plate (23) is fixedly provided with a connecting plate (24), and the positioning screw (6) passes through the circular through hole formed in the connecting plate (24) and is movably connected with the connecting plate (24).

4. The paint spraying fixture of claim 3, wherein, The bottom of the cross-shaped bracket (1) is fixedly provided with a plurality of straight plates (11), the two distal ends of the positioning screw (6) are fixedly connected with the matched straight plates (11), two locking nuts (7) are threadedly installed on the positioning screw (6), and the connecting plate (24) is clamped between the two locking nuts (7).

5. The paint spraying fixture of claim 1, wherein, The supporting bracket (4) comprises a circular seat (41), the circular seat (41) is fixed on the upper surface of the cross-shaped bracket (1), the top of the circular seat (41) is fixedly provided with a threaded rod (42), the top of the threaded rod (42) is threadedly provided with an internally threaded sleeve (43), the top of the internally threaded sleeve (43) is fixedly provided with a rubber pad (44), and the upper surface of the rubber pad (44) is in contact with the lower surface of the workpiece (3).

6. The paint spraying fixture of claim 1, wherein, The bottom of the cross-shaped bracket (1) is fixedly provided with a connecting barrel (8), and the inner wall of the connecting barrel (8) is provided with an internally threaded structure.

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