Manufacturing device of closed cage type tennis racket

Abstract

The utility model relates to the technical field of tennis racket manufacturing, in particular to a closed cage type tennis racket manufacturing device which comprises a bottom plate, an air pump and an air suction plate, two supporting plates are symmetrically welded to the top of the bottom plate, and the air pump is installed on the opposite sides of the two supporting plates. An air suction plate is installed on the opposite sides of the two supporting plates on the air pump, a grid frame is welded to the tops of the two supporting plates, a fixing frame is welded to the front side of the bottom plate, a hydraulic cylinder is installed on the top of the fixing frame, a fixing plate is installed at the bottom of the hydraulic cylinder, a filler is installed at the bottom of the fixing plate, and connecting plates are welded to the two sides of the bottom plate; and screw holes are formed in the two connecting plates, screw rods are in threaded connection with the inner walls of the two screw holes, and anti-skid plates are installed at the bottoms of the two screw rods. The tennis racket has the advantages that when EVA materials are filled in the tennis racket, air circulation near the tennis racket is accelerated, and the EVA materials can be rapidly cooled in the tennis racket.

Description

Technical Field

[0001] The utility model relates to the technical field of tennis racket manufacturing, in particular to a manufacturing device for a closed cage-type tennis racket. Background Art

[0002] A tennis racket is a piece of equipment used to hit tennis balls, usually used by tennis players. It usually consists of a frame, strings and a grip. In tennis matches, players use tennis rackets to hit the ball to compete with their opponents or practice. EVA material is a commonly used polymer material with excellent elasticity and cushioning properties. Through heat treatment, EVA material can become a semi-solid state. This property makes it very suitable as a filler inside a tennis racket. Semi-solid EVA material can be used inside the filling head net (usually referring to a tennis racket) to provide better shock absorption, enhance the transmission of swing force, and improve the overall performance of the racket.

[0003] The EVA material that the manufacturing device fills into the tennis racket has been melted, so the EVA material is in a semi-solid state after entering the tennis racket. The EVA material inside the tennis racket naturally cools slowly. During the process of moving the tennis racket, the EVA material inside the tennis racket may shift, affecting the balance. Utility Model Content

[0004] The purpose of the utility model is to provide a closed-type cage-type tennis racket manufacturing device, which has the advantage of accelerating the air circulation near the tennis racket when filling the interior of the tennis racket with EVA material, so that the EVA material can be quickly cooled inside the tennis racket, thereby solving the problem of slow cooling speed of the EVA material filled inside the tennis racket.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a device for manufacturing a closed cage-type tennis racket, comprising a base plate, an air pump and an air suction plate, two support plates symmetrically welded to the top of the base plate, air pumps are installed on opposite sides of the two support plates, air suction plates are installed on opposite sides of the two support plates on the air pump, grid frames are welded to the tops of the two support plates, a fixing frame is welded to the front side of the base plate, a hydraulic cylinder is installed on the top of the fixing frame, a fixing plate is installed at the bottom of the hydraulic cylinder, a filler is installed at the bottom of the fixing plate, connecting plates are welded on both sides of the base plate, both connecting plates are provided with screw holes, screws are threadedly connected to the inner walls of the two screw holes, and anti-slip plates are installed at the bottoms of the two screws.

[0006] When using a closed cage-type tennis racket manufacturing device in the present technical solution, the bottom plate is moved on the ground by casters. After moving to the appropriate position, two hand wheels are used to rotate two screws. The two screws rotate and move in the screw holes of the two connecting plates. The two screws drive the two anti-slide plates to descend, so that the bottoms of the two anti-slide plates are in contact with the ground. The tennis racket that needs to be filled with material is placed on the top of the grid frame. The feed pipe is connected to transport the melted EVA material. The EVA material enters the filler from the feed pipe. The hydraulic cylinder drives the filler to descend through the fixed plate. After adjusting the filler to the appropriate height, the filler fills the EVA material into the tennis racket through the filling head. During the filling process, the air pump draws air from the inside of the suction plate through the suction pipe. The air near the tennis racket passes through the mesh of the grid frame under the influence of suction and enters the inside of the suction plate. The air pump discharges the absorbed air through the outlet pipe.

[0007] Preferably, an air suction pipe is installed on the top of the air pump, and the top of the air suction pipe extends into the interior of the air suction plate. The air pump absorbs the air inside the air suction plate through the air suction pipe, and the external air enters the interior of the air suction plate under the influence of suction.

[0008] Preferably, an air outlet pipe is installed at the bottom of the air pump, and the air pump discharges the sucked air through the air outlet pipe.

[0009] Preferably, a movable hole is provided on the bottom plate below the air outlet pipe, and water discharged from the air outlet pipe is discharged from the movable hole.

[0010] Preferably, a slide rod is installed on the front side of the fixed plate, a slide groove is provided on the inner side of the fixed frame, and the slide rod and the slide groove are slidably connected. The slide rod limits the fixed plate, and when the fixed plate is raised or lowered, the slide rod slides in the slide groove.

[0011] Preferably, a feed pipe is embedded in the side of the filler, and a filling head is installed at the bottom of the filler. The feed pipe is connected to transport the melted EVA material, and the EVA material enters the filler from the feed pipe, and the filler fills the tennis racket with the EVA material through the filling head.

[0012] Preferably, the tops of the two screw rods are both provided with hand wheels, and the two screw rods can be rotated using the two hand wheels.

[0013] Preferably, casters are installed at the four corners of the bottom of the base plate, and the base plate is moved by the casters.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] The utility model provides a grid frame, an air suction plate and an air pump. A tennis racket that needs to be filled with material is placed on the top of the grid frame. A filler fills the EVA material into the tennis racket through a filling head. During the filling process, the air pump draws air from the air suction plate through an air suction pipe. Air near the tennis racket passes through the mesh holes of the grid frame and enters the air suction plate under the influence of suction force. The air pump discharges the drawn air through the air outlet pipe, thereby achieving the effect of accelerating the air circulation near the tennis racket when the EVA material is filled into the tennis racket, so that the EVA material can be quickly cooled inside the tennis racket. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model from a first angle;

[0017] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model from a second angle;

[0018] Figure 3 This is a schematic diagram of the three-dimensional structure of the present invention from a third angle;

[0019] Figure 4 This is a schematic diagram of the grid frame and support plate structure of the utility model;

[0020] Figure 5 This is a schematic structural diagram of the anti-skid plate and connecting plate of the utility model.

[0021] In the figure: 1. caster; 2. bottom plate; 3. anti-skid plate; 4. connecting plate; 5. grid frame; 6. filler; 7. fixing plate; 8. hydraulic cylinder; 9. slide rod; 10. slide chute; 11. feed pipe; 12. support plate; 13. hand wheel; 14. screw; 15. air pump; 16. fixing frame; 17. filling head; 18. suction plate; 19. movable hole; 20. suction pipe; 21. exhaust pipe; 22. screw hole. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0024] Next, the present invention is described in detail with reference to schematic diagrams. For ease of illustration, cross-sectional views of device structures may be partially enlarged and not to scale when describing the embodiments of the present invention. Furthermore, the schematic diagrams are merely illustrative and should not limit the scope of protection of the present invention. Furthermore, in actual production, three-dimensional dimensions, including length, width, and depth, should be included.

[0025] In order to make the purpose, technical solutions and advantages of the present invention more clear, the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

[0026] Example 1

[0027] like Figure 1-Figure 5 As shown, the present invention proposes a closed cage-type tennis racket manufacturing device, comprising a bottom plate 2, an air pump 15 and an air suction plate 18. Two support plates 12 are symmetrically welded on the top of the bottom plate 2. The air pump 15 is installed on the opposite side of the two support plates 12. The air suction plate 18 is installed on the opposite side of the two support plates 12 on the air pump 15. An air suction pipe 20 is installed on the top of the air pump 15. The top of the air suction pipe 20 extends into the interior of the air suction plate 18. An air outlet pipe 21 is installed at the bottom of the air pump 15. A movable hole 19 is opened on the bottom plate 2 below the air outlet pipe 21. A grid is welded on the top of the two support plates 12. Frame 5, a fixing frame 16 is welded to the front side of the base plate 2, a hydraulic cylinder 8 is installed on the top of the fixing frame 16, a fixing plate 7 is installed at the bottom of the hydraulic cylinder 8, a filler 6 is installed at the bottom of the fixing plate 7, a feed pipe 11 is embedded in the side of the filler 6, a filling head 17 is installed at the bottom of the filler 6, connecting plates 4 are welded on both sides of the base plate 2, two connecting plates 4 are provided with screw holes 22, the inner walls of the two screw holes 22 are threadedly connected with screws 14, hand wheels 13 are installed on the top of the two screws 14, anti-skid plates 3 are installed at the bottom of the two screws 14, and casters 1 are installed at the four corners of the bottom of the base plate 2.

[0028] In this embodiment, the base plate 2 is moved on the ground by the casters 1. After moving to the appropriate position, the two hand wheels 13 are used to rotate the two screws 14. The two screws 14 rotate and move in the screw holes 22 of the two connecting plates 4. The two screws 14 drive the two anti-skid plates 3 to descend, so that the bottoms of the two anti-skid plates 3 contact the ground, increasing the friction with the ground. The tennis racket that needs to be filled with material is placed on the top of the grid frame 5. The feed pipe 11 is connected to transport the melted EVA material. The EVA material enters the filler 6 from the feed pipe 11. The hydraulic cylinder 8 drives the filler 6 to descend through the fixed plate 7. After the filler 6 is adjusted to a suitable height, the filler 6 fills the tennis racket with EVA material through the filling head 17. During the filling process, the air pump 15 draws air from the inside of the suction plate 18 through the suction pipe 20. Under the influence of suction, the air near the tennis racket passes through the mesh of the grid frame 5 and enters the inside of the suction plate 18. The air pump 15 discharges the drawn air through the outlet pipe 21.

[0029] Example 2

[0030] like Figure 1-Figure 5 As shown, the present invention proposes a device for manufacturing a closed cage-type tennis racket. Compared with the first embodiment, this embodiment further includes: a slide rod 9 and a slide groove 10. The slide rod 9 is installed on the front side of the fixed plate 7, and the slide groove 10 is opened on the inner side of the fixed frame 16. The slide rod 9 and the slide groove 10 are slidably connected.

[0031] In this embodiment, the fixed plate 7 is limited by the sliding rod 9. When the fixed plate 7 is raised or lowered, the sliding rod 9 slides inside the sliding groove 10 to prevent the fixed plate 7 from shaking.

[0032] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A device for manufacturing a closed-type cage tennis racket, comprising a base plate (2), an air pump (15) and an air suction plate (18), characterized in that: Two support plates (12) are symmetrically welded to the top of the base plate (2), and an air pump (15) is installed on the opposite side of the two support plates (12). An air suction plate (18) is installed on the opposite side of the two support plates (12) on the air pump (15). A grid frame (5) is welded to the top of the two support plates (12). A fixing frame (16) is welded to the front side of the base plate (2), and a hydraulic cylinder (8) is installed on the top of the fixing frame (16). A fixing plate (7) is installed at the bottom of the hydraulic cylinder (8), and a filler (6) is installed at the bottom of the fixing plate (7). Connecting plates (4) are welded to both sides of the base plate (2), and the two connecting plates (4) are both provided with screw holes (22). The inner walls of the two screw holes (22) are threadedly connected with screw rods (14), and the bottoms of the two screw rods (14) are both provided with anti-slip plates (3).

2. The manufacturing device of a closed-type tennis racket according to claim 1, characterized in that: An air suction pipe (20) is installed on the top of the air pump (15), and the top of the air suction pipe (20) extends into the interior of the air suction plate (18).

3. The manufacturing device of a closed-type tennis racket according to claim 1, characterized in that: An air outlet pipe (21) is installed at the bottom of the air pump (15).

4. The manufacturing device of a closed-type tennis racket according to claim 3, characterized in that: A movable hole (19) is provided on the bottom plate (2) below the air outlet pipe (21).

5. The manufacturing device of a closed-type tennis racket according to claim 1, characterized in that: A slide rod (9) is installed on the front side of the fixed plate (7), a slide groove (10) is provided on the inner side of the fixed frame (16), and the slide rod (9) and the slide groove (10) are slidably connected.

6. The manufacturing device of a closed-type tennis racket according to claim 1, characterized in that: A feeding pipe (11) is embedded in the side of the filler (6), and a filling head (17) is installed at the bottom of the filler (6).

7. The manufacturing device of a closed-type tennis racket according to claim 1, characterized in that: Hand wheels (13) are installed on the tops of the two screw rods (14).

8. The manufacturing device of a closed-type tennis racket according to claim 1, characterized in that: Casters (1) are installed at the four corners of the bottom of the base plate (2).

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