Spraying clamp for spraying piece

The spraying fixture addresses uneven clamping and incomplete coverage issues by employing internal clamping with a rotating assembly and elastic support, ensuring uniform spraying and complete part coverage.

CN222197484UActive Publication Date: 2024-12-20HEFEI HAIZHIJI ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202420925925.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-30
Publication Date
2024-12-20
Estimated Expiration
2034-04-30

AI Technical Summary

Technical Problem

Existing spraying fixtures for injection molded parts suffer from uneven clamping forces due to external clamping methods, leading to uneven spraying and potential deformation, and lack the ability to fit the curvature of parts, causing instability and incomplete coverage during the coating process.

Method used

A spraying fixture with internal clamping using a clamping assembly that includes a rotating assembly, clamping plates with elastic support, and a rotating mechanism to ensure uniform clamping and spraying, featuring a limit block and groove for stability, and a slide groove for complete coverage.

Benefits of technology

The fixture provides stable, uniform clamping and spraying, preventing part deformation and ensuring complete coverage by fitting the part's curvature, enhancing clamping stability and spraying efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a spraying clamp for a spraying piece, which relates to the technical field of spraying and comprises a base, a clamping component is arranged on the base, a first rotating shaft is arranged on one side, far away from a rotating component, of a square plate, a clamping plate is rotatably connected onto the first rotating shaft, an elastic sheet is connected onto the clamping plate, and a clamping plate is arranged on the elastic sheet. The side, away from the clamping plate, of the elastic piece is fixed to the square plate, a second rotating shaft is arranged on the side, close to the elastic piece, of the square plate, a torsion spring is rotationally connected to the second rotating shaft, a telescopic rod is rotationally connected to the top of the torsion spring, a limiting block is arranged on the side, close to the elastic piece, of the clamping plate, and an elastic plate is arranged on the clamping plate. By means of the clamping assembly, compared with an external clamping mode, internal clamping cannot affect spraying, the clamping stability is higher, the spraying efficiency is improved, fitting can be conducted according to the radian shapes of different injection molding parts through the elastic plate, and clamping stress is more uniform.
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Description

Technical Field

[0001] The utility model relates to the technical field of spraying, in particular to a spraying fixture for spraying parts. Background Art

[0002] In the injection molding production line, the spray fixture is used to ensure that the plastic parts are fixed and accurately positioned during the coating process to achieve uniform coating and improve product quality. Since injection molded parts may warp or deform due to factors such as uneven cooling and molecular orientation, the fixture can help correct these deformations and ensure the dimensional stability and shape accuracy of the product.

[0003] The existing Chinese patent (Announcement No.: CN219816738U) proposes a spraying fixture for spraying parts. It includes: a base, a first driving member, a flip plate and a clamping assembly; the first driving member is installed on the top of the base, one end of the flip plate is rotatably connected to the output end of the first driving member, the clamping assembly is installed on the upper surface of the flip plate, the clamping assembly includes a second driving member, a gear, two racks and a clamping claw, the gear is rotatably arranged on the flip plate, the second driving member is connected to the gear, the two racks are arranged in parallel on both sides of the gear, and the two racks are slidably arranged on the upper surface of the flip plate, the gear is meshed with the two racks, and the ends of the two racks away from the gear are respectively connected with two clamping claws facing in opposite directions.

[0004] The above technical solution drives the gear to rotate through the driving part, and the two racks move in opposite directions so that the clamps can clamp and fix the sprayed parts. However, the above device adopts external clamping of the injection molded parts, which will cause uneven spraying when spraying onto the clamp. In addition, the existing internal clamping device cannot fit according to the curvature of the injection molded parts, which can easily lead to uneven clamping force on both sides. Therefore, we propose a spray clamp for sprayed parts. Utility Model Content

[0005] The purpose of the utility model is to provide a spraying fixture for spraying parts to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a spraying fixture for spraying parts, comprising a base, a support plate is arranged on the top of the base, a rotating assembly is arranged on the support plate, a clamping assembly is connected to the side of the rotating assembly away from the support plate, the clamping assembly comprises a square plate, a first rotating shaft is arranged on the side of the square plate away from the rotating assembly, a clamping plate is rotatably connected to the first rotating shaft, a spring is connected to the clamping plate, the side of the spring away from the clamping plate is fixed to the square plate, a second rotating shaft is arranged on the side of the square plate close to the spring, a torsion spring is rotatably connected to the second rotating shaft, a telescopic rod is rotatably connected to the top of the torsion spring, a limiting block is arranged on the side of the clamping plate close to the spring, an elastic plate is arranged on the clamping plate, and a bolt is threadedly connected to the elastic plate.

[0007] As a preferred implementation, a groove is provided on the limit block, and the telescopic rod is clamped in the groove on the limit block.

[0008] The above technical solution is adopted: by providing a limit block and a groove formed thereon to resist the telescopic rod, the clamping plate is supported and the stability of the clamping is enhanced.

[0009] As a preferred embodiment, two clamping plates are provided, and the two clamping plates are symmetrical to each other about the center point of the square plate.

[0010] The above technical solution is adopted: by arranging two clamping plates, the clamping effect of the injection molded parts is improved.

[0011] As a preferred implementation, contacts are provided on the elastic plate, and the contacts are provided in three groups, with two contacts in each group.

[0012] The above technical solution is adopted: by setting the contact point, the friction between the clamping plate and the injection molded part is increased to prevent the risk of the injection molded part falling off during the spraying process of the injection molded part.

[0013] As a preferred embodiment, the rotating assembly includes a motor, the output end of the motor is fixedly connected to a first fixed shaft, a driving gear is sleeved on the first fixed shaft, a second fixed shaft is provided on the side of the support plate close to the motor, a driven gear is rotatably connected to the second fixed shaft, and the driven gear is meshed with the driving gear.

[0014] By adopting the above technical solution, by setting a rotating component, the injection molded part can be rotated during the spraying process of the injection molded part, and the spraying is more uniform.

[0015] As a preferred embodiment, a slide groove is provided on the top of the base, a slider is slidably connected to the slide groove, the top of the slider is connected to the bottom of the support plate, a fixed plate is provided on the side of the top of the base close to the support plate, an electric telescopic rod is provided on the fixed plate, and the end of the electric telescopic rod away from the fixed plate is connected to the support plate.

[0016] The above technical solution is adopted: by arranging an electric telescopic rod and a slide groove, the movement of the clamping component can be promoted, so that the injection molded part can be sprayed in all aspects.

[0017] After adopting the above technical solution, the utility model has the following beneficial effects compared with the prior art:

[0018] 1. In the utility model, a clamping assembly is provided to internally clamp the cylindrical injection molded part. Compared with the external clamping method, the internal clamping will not affect the spraying and the clamping stability is stronger. By providing an elastic plate, it can be fitted according to the curvature shape of different injection molded parts to make the clamping force more uniform. By providing a limit block and a groove provided thereon, it is used to support the telescopic rod, support the clamping plate, and enhance the clamping stability. By providing two clamping plates, the clamping effect of the injection molded part is improved. By providing a rotating assembly, the injection molded part can be rotated during the spraying process of the injection molded part, and the spraying is more uniform.

[0019] 2. In the utility model, by setting the contact point, the friction between the clamping plate and the injection molded part is increased to prevent the risk of the injection molded part falling off during the spraying process of the injection molded part. By setting the electric telescopic rod and the slide groove, the movement of the clamping component can be promoted so that the injection molded part can be sprayed in all directions. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a front view of a spray fixture for spraying parts.

[0021] Figure 2 The present invention is a structural diagram of a clamping component in a spraying fixture for spraying parts.

[0022] Figure 3 The present invention is a structural diagram of a rotating component in a spray fixture for spraying parts.

[0023] Figure 4 A rear view of a moving component in a spray fixture for spraying parts.

[0024] Numbers in the figure: 1. base; 2. support plate; 3. rotating assembly; 31. motor; 32. first fixed shaft; 33. driving gear; 34. second fixed shaft; 35. driven gear; 4. clamping assembly; 41. square plate; 42. first rotating shaft; 43. clamping plate; 44. spring; 45. second rotating shaft; 46. torsion spring; 47. telescopic rod; 48. limit block; 5. slide groove; 6. fixed plate; 7. electric telescopic rod; 8. slider; 9. elastic plate; 10. bolt; 11. contact. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] like Figure 1 and Figure 2As shown, a spraying fixture for spraying parts includes a base 1, a support plate 2 is arranged on the top of the base 1, a rotating assembly 3 is arranged on the support plate 2, a clamping assembly 4 is connected to the side of the rotating assembly 3 away from the support plate 2, the clamping assembly 4 includes a square plate 41, a first rotating shaft 42 is arranged on the side of the square plate 41 away from the rotating assembly 3, a clamping plate 43 is rotatably connected to the first rotating shaft 42, a spring piece 44 is connected to the clamping plate 43, the side of the spring piece 44 away from the clamping plate 43 is fixed on the square plate 41, and a second rotating shaft 45 is arranged on the side of the square plate 41 close to the spring piece 44. A torsion spring 46 is rotatably connected to the second rotating shaft 45, and a telescopic rod 47 is rotatably connected to the top of the torsion spring 46. A limit block 48 is provided on the side of the clamping plate 43 close to the spring 44. An elastic plate 9 is provided on the clamping plate 43, and a bolt 10 is threadedly connected to the elastic plate 9. The clamping assembly 4 is provided to clamp the inside of the cylindrical injection molded part. Compared with the external clamping method, the internal clamping will not affect the spraying and the clamping stability is stronger, the spraying efficiency is improved, and the spraying angle is conveniently adjusted. By providing the elastic plate 9, it can be fitted according to the curvature shape of different injection molded parts, so that the clamping force is more uniform;

[0027] Furthermore, Figure 2 As shown: the limit block 48 is provided with a groove, the telescopic rod 47 is clamped in the groove on the limit block 48, two clamping plates 43 are provided, and the two clamping plates 43 are symmetrical to each other with the center point of the square plate 41, and the limit block 48 and the groove provided thereon are provided to resist the telescopic rod 47, support the clamping plate 43, and enhance the stability of clamping;

[0028] Furthermore, Figure 3 As shown: the rotating assembly 3 includes a motor 31, the output end of the motor 31 is fixedly connected to a first fixed shaft 32, the first fixed shaft 32 is sleeved with a driving gear 33, the support plate 2 is provided with a second fixed shaft 34 on the side close to the motor 31, the second fixed shaft 34 is rotatably connected to a driven gear 35, the driven gear 35 is meshed with the driving gear 33, and by setting the rotating assembly 3, the injection molded part can be rotated during the spraying process of the injection molded part, and the spraying is more uniform;

[0029] The above solutions also have the problem that when the injection molded part is rotating, it is easy to fall off, such as Figure 2 As shown: the elastic plate 9 is provided with contacts 11, and the contacts 11 are provided in three groups, and each group of the contacts 11 is provided with two contacts. By providing the contacts 11, the friction between the clamping plate 43 and the injection molded part is increased to prevent the injection molded part from falling off during the spraying process;

[0030] The above solutions also have the problem that only the surrounding of the injection molded parts can be sprayed, but the upper and lower parts of the injection molded parts cannot be sprayed. Figure 4 As shown: a slide groove 5 is provided on the top of the base 1, a slider 8 is slidably connected to the slide groove 5, the top of the slider 8 is connected to the bottom of the support plate 2, a fixed plate 6 is provided on the top of the base 1 close to the support plate 2, an electric telescopic rod 7 is provided on the fixed plate 6, and the end of the electric telescopic rod 7 away from the fixed plate 6 is connected to the support plate 2. By providing the electric telescopic rod 7 and the slide groove 5, the movement of the clamping assembly 4 can be promoted, so that the injection molded parts can be sprayed in all aspects.

[0031] Working principle: Figure 1 - Figure 4 As shown, the cylindrical injection molded part is sleeved on the clamping assembly 4, and the clamping plate 43 is provided to clamp the inside thereof by utilizing the elastic force of the spring sheet 44. Compared with the external clamping method, the internal clamping will not affect the spraying and the clamping stability is stronger, the spraying efficiency is improved, and the spraying angle is convenient to adjust. By providing the elastic plate 9, it can be fitted according to the curvature shape of different injection molded parts, so that the clamping force is more uniform. By providing the torsion spring 46, after the clamping is completed, the telescopic rod 47 is bent onto the limit block 48, and the telescopic rod 47 is stuck in the groove through the groove provided on the limit block 48, so as to clamp the clamping plate 43. Support, increase the stability of clamping, by setting the contact 11, increase the friction between the clamping plate 43 and the injection molded part to prevent it from falling off during the spraying process of the injection molded part. When taking it out, bend the telescopic rod 47 to slide out from the other end of the groove, retract the clamping plate 43 inward, take out the injection molded part, and start the motor 31 through the rotating component 3 to drive the active gear 33 to rotate, and the active gear 33 drives the driven gear 35 to rotate, so that the clamping component 4 rotates, so that the injection molded part is sprayed more evenly, and the electric telescopic rod 7 and the slide groove 5 can be set to promote the movement of the clamping component 4, so that the injection molded part can be sprayed in all aspects.

[0032] The above is only a preferred embodiment of the present invention, and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technician familiar with this patent can make some changes or modifications to equivalent embodiments of equivalent changes using the technical content suggested above without departing from the scope of the technical solution of the present invention. The implementation schemes in the above embodiments can also be further combined or replaced. However, any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the present invention.

Claims

1. A spraying fixture for spraying parts, comprising a base (1), characterized in that: A support plate (2) is arranged on the top of the base (1), a rotating assembly (3) is arranged on the support plate (2), a clamping assembly (4) is connected to a side of the rotating assembly (3) away from the support plate (2), the clamping assembly (4) comprises a square plate (41), a first rotating shaft (42) is arranged on a side of the square plate (41) away from the rotating assembly (3), a clamping plate (43) is rotatably connected to the first rotating shaft (42), a spring sheet (44) is connected to the clamping plate (43), and the spring sheet (44) is away from the supporting plate (2). One side of the clamping plate (43) is fixed on the square plate (41); a second rotating shaft (45) is arranged on the side of the square plate (41) close to the spring sheet (44); a torsion spring (46) is rotatably connected to the second rotating shaft (45); a telescopic rod (47) is rotatably connected to the top of the torsion spring (46); a limiting block (48) is arranged on the side of the clamping plate (43) close to the spring sheet (44); an elastic plate (9) is arranged on the clamping plate (43); and a bolt (10) is threadedly connected to the elastic plate (9).

2. A spraying fixture for spraying parts according to claim 1, characterized in that: The limit block (48) is provided with a groove, and the telescopic rod (47) is clamped in the groove on the limit block (48).

3. A spraying fixture for spraying parts according to claim 1, characterized in that: Two clamping plates (43) are provided, and the two clamping plates (43) are symmetrical to each other about the center point of the square plate (41).

4. A spraying fixture for spraying parts according to claim 1, characterized in that: The elastic plate (9) is provided with contacts (11), and the contacts (11) are provided in three groups, with each group of contacts (11) having two contacts.

5. A spraying fixture for spraying parts according to claim 1, characterized in that: The rotating assembly (3) comprises a motor (31), the output end of the motor (31) is fixedly connected to a first fixed shaft (32), a driving gear (33) is sleeved on the first fixed shaft (32), a second fixed shaft (34) is arranged on a side of the support plate (2) close to the motor (31), a driven gear (35) is rotatably connected to the second fixed shaft (34), and the driven gear (35) is meshedly connected to the driving gear (33).

6. A spraying fixture for spraying parts according to claim 1, characterized in that: The top of the base (1) is provided with a slide groove (5), the slide groove (5) is slidably connected with a slider (8), the top of the slider (8) is connected to the bottom of the support plate (2), a fixing plate (6) is provided on the top of the base (1) on the side close to the support plate (2), an electric telescopic rod (7) is provided on the fixing plate (6), and the end of the electric telescopic rod (7) away from the fixing plate (6) is connected to the support plate (2).