Inner support clamping type robot fixture device and golf club head grinding equipment

Abstract

Internal support clamping type robot fixture device and golf club head grinding equipment. The internal support clamping type robot fixture device includes a driving component, a pushing component, and an elastic chuck. The pushing component includes a force-increasing lever and a pull rod connected to each other. The driving component is connected to the force-increasing lever, and the force-increasing lever is rotatably arranged on the fixture device. The pull rod is partially located inside the elastic chuck. The elastic chuck is provided with an expansion sleeve, and the clamping object is sleeved on the outer surface of the expansion sleeve. The maximum outer diameter of one end of the pull rod > the inner diameter of the expansion sleeve; the driving component drives the force-increasing lever to rotate on the fixture device, and the force-increasing lever drives the pull rod to reciprocate inside the elastic chuck; during the reciprocating movement, one end of the pull rod gradually contacts and expands the expansion sleeve, and the expansion sleeve of the elastic chuck expands and tightens the clamping object inside the clamping object; or, one end of the pull rod gradually moves away from the expansion sleeve, and the expansion sleeve releases the clamping object. The present invention uses an internal support clamping type fixture to clamp the golf club head, and one clamping can meet the grinding requirements of the entire club head.

Description

Technical Field

[0001] The present invention relates to an inner support clamping type robot fixture device and a golf club head grinding device thereof. Background Art

[0002] At present, the commonly used golf club head grinding fixture is a profiling positioning type, which can only complete 60% - 70% of the overall grinding work on the surface of the club head, resulting in incomplete grinding of the club head surface and requiring multiple repeated clamping. In addition, most commonly used robot five - axes have an angular limit of ±120 degrees. Due to the angular limit of the five - axis, the traditional fixture cannot complete the overall grinding of the club head.

[0003] Chinese Patent Document No. CN208340040U discloses a golf club head grinding system on January 8, 2019, which includes a multi - axis robot, a grinding mechanism and a loading table. A grinding fixture is arranged on the multi - axis robot; it also includes a side - changing device, which includes a side - changing bracket, a side - changing cylinder and a side - changing pressing plate. The side - changing bracket is relatively fixedly arranged. The side - changing cylinder is connected to the side - changing pressing plate and drives the side - changing pressing plate to reciprocate, so as to clamp the golf club head between the side - changing bracket and the side - changing pressing plate; a double - layer loading device is arranged on the loading table, and the double - layer loading device includes an upper loading plate and a lower loading plate. The upper loading plate and the lower loading plate are respectively equipped with corresponding pushing cylinders to respectively drive the upper loading plate and the lower loading plate to reciprocate. A positioning tooling is arranged on the upper loading plate and / or the lower loading plate. This structure has the above - mentioned deficiencies. Therefore, it needs to be further improved. Summary of the Invention

[0004] The purpose of the present invention is to provide a golf club head grinding device with an inner support clamping type robot fixture device, which has a complete surface grinding, a high inner support clamping degree, flexible and fast installation, and can effectively solve the problem of incomplete grinding of the existing club head surface, so as to overcome the deficiencies in the prior art.

[0005] An inner support clamping type robot fixture device designed according to this purpose includes a driving component, a pushing component and an elastic chuck. The pushing component includes a force - increasing lever and a pull rod connected to each other. The driving component is connected to the force - increasing lever, and the force - increasing lever is rotatably arranged on the fixture device. A part of the pull rod is located inside the elastic chuck. The elastic chuck is provided with a sleeve for assembling and clamping an object. The clamping object is sleeved on the outer surface of the sleeve. The maximum outer diameter of one end of the pull rod > the inner diameter of the sleeve; wherein, the driving component drives the force - increasing lever to rotate on the fixture device, and the force - increasing lever drives the pull rod to reciprocate inside the elastic chuck during rotation; during the reciprocating movement, one end of the pull rod gradually contacts and expands the sleeve, and the sleeve of the elastic chuck expands and tightens the clamping object inside the clamping object; or, one end of the pull rod gradually moves away from the sleeve, and the sleeve contracts and resets to release the clamping object.

[0006] The driving component is at least a cylinder, which includes a cylinder block and a piston. The piston is provided with a piston rod, and the piston rod is connected to a force-increasing lever. Inflation is carried out in the cylinder block, the piston pushes the force-increasing lever, and the force-increasing lever rotates on the fixture device, and then the force-increasing lever drives the pull rod to move within the elastic chuck.

[0007] One side of the cylinder block is provided with a fixed plate, the piston rod penetrates through the fixed plate, the fixed plate is provided with a connecting plate corresponding to the pull rod, the connecting plate is provided with a connecting seat and a rotating part corresponding to the force-increasing lever, an installation groove is arranged in the connecting seat, one side of the connecting seat abuts against the connecting plate, a part of the force-increasing lever is installed in the installation groove, and the rotating part penetrates through the installation groove and the force-increasing lever, so that the force-increasing lever is rotatably arranged on the fixture device.

[0008] One end of the force-increasing lever is provided with a positioning groove, the pull rod is provided with a positioning block corresponding to the positioning groove, and the positioning block is inserted into the positioning groove and the two are fixedly connected.

[0009] The inner support clamping type robot fixture device further includes a connecting bottom block assembled with the elastic chuck. The connecting bottom block is located at the bottom of the connecting seat. The connecting bottom block is provided with a groove corresponding to the elastic chuck. A part of the elastic chuck is installed in the groove, and the connecting bottom block and the connecting seat jointly clamp the elastic chuck.

[0010] The included angle A between the connecting plate and the fixed plate is 135°.

[0011] One end of the pull rod in contact with the expansion sleeve is provided with an inverted conical pull rod head.

[0012] A golf club head grinding device with the above-mentioned inner support clamping type robot fixture device designed according to this purpose includes a golf club head. The golf club head is provided with an inner hole of the shaft tube. The inner hole of the shaft tube of the golf club head is sleeved on the outer surface of the expansion sleeve. The expansion sleeve expands and tightly holds the inner hole of the shaft tube of the golf club head to clamp the golf club head.

[0013] The golf club head grinding device with the inner support clamping type robot fixture device further includes a laser alignment device. The laser emitted by the laser alignment device is aligned with the golf club head.

[0014] The golf club head grinding device with the inner support clamping type robot fixture device further includes a robot five-axis for connecting the fixture device and a grinding wheel for grinding the golf club head.

[0015] The beneficial effects of the present invention are as follows:

[0016] a. The expansion sleeve of the elastic chuck expands and tightly holds the clamping object within the clamping object, and clamps the clamping object in an inner support form;

[0017] b. Using the inner support clamping type fixture to clamp the golf club head, one clamping can meet the grinding requirements of the entire club head;

[0018] b. Used in conjunction with a laser alignment system (laser aligner) to ensure grinding accuracy;

[0019] d. The unique 135° of the fixture solves the problem of the extreme limit of the five-axis of the robot. Brief Description of the Drawings

[0020] Figure 1 It is a schematic three-dimensional structure diagram of the fixture device according to an embodiment of the present invention.

[0021] Figure 2 It is a schematic partial exploded structure diagram of the fixture device according to an embodiment of the present invention.

[0022] Figure 3 It is an exploded structure diagram of the fixture device according to an embodiment of the present invention.

[0023] Figure 4 It is a schematic cross-sectional structure diagram of the fixture device according to an embodiment of the present invention.

[0024] Figure 5 It is a schematic structure diagram of the fixture device connecting to the five-axis of the robot according to an embodiment of the present invention.

[0025] Figure 6 , Figure 7 They are all schematic structure diagrams of the fixture device breaking away from the limitation of the five-axis of the robot according to an embodiment of the present invention.

[0026] In the figure, 1 is an elastic chuck, 1.1 is an expansion sleeve, 2 is a force-increasing lever, 2.1 is a positioning groove, 3 is a pull rod, 3.1 is a positioning block, 3.2 is a pull rod head, 4 is a cylinder block, 5 is a piston, 5.1 is a piston rod, 6 is a fixing plate, 7 is a connecting plate, 8 is a connecting seat, 8.1 is an installation groove, 9 is a connecting bottom block, 9.1 is a groove, 10 is a golf club head, 11 is a laser aligner, 12 is the five-axis of the robot, 13 is a grinding wheel, and 14 is a rotating part. Detailed Embodiments

[0027] The present invention will be further described below in conjunction with the drawings and embodiments.

[0028] See Figures 1-4, An internally supported clamping type robot fixture device, including a driving component, a pushing component, and an elastic chuck 1. The pushing component includes a force-increasing lever 2 and a pull rod 3 that are connected. The driving component is connected to the force-increasing lever 2, and the force-increasing lever 2 is rotatably arranged on the fixture device. Part of the pull rod 3 is located inside the elastic chuck 1. The elastic chuck 1 is provided with a expanding sleeve 1.1 for assembling and clamping an object. The object is sleeved on the outer surface of the expanding sleeve 1.1. The maximum outer diameter of one end of the pull rod 3 > the inner diameter of the expanding sleeve 1.1. Among them, the driving component drives the force-increasing lever 2 to rotate on the fixture device, and the force-increasing lever 2 drives the pull rod 3 to reciprocate inside the elastic chuck 1 during rotation. During the reciprocating movement, one end of the pull rod 3 gradually contacts and expands the expanding sleeve 1.1, and the expanding sleeve 1.1 of the elastic chuck 1 expands and tightens the object inside the object; or, one end of the pull rod 3 gradually moves away from the expanding sleeve 1.1, and the expanding sleeve 1.1 contracts and resets to release the object.

[0029] The expanding sleeve 1.1 of the elastic chuck 1 expands and tightens the object inside the object, and clamps the object in an internally supported form. The expanding sleeve 1.1 is provided with a plurality of expanding blocks, the bottoms of each expanding block are connected, and there is a gap between each expanding block above the connected bottoms of the expanding blocks to facilitate the expansion of the expanding sleeve 1.1.

[0030] The driving component is at least a cylinder. The cylinder includes a cylinder block 4 and a piston 5. The piston 5 is provided with a piston rod 5.1. The piston rod 5.1 and the force-increasing lever 2 are connected by screws. When the cylinder block 4 is inflated, the piston 5 pushes the force-increasing lever 2, and the force-increasing lever 2 rotates on the fixture device, and the force-increasing lever 2 further drives the pull rod 3 to move inside the elastic chuck 1.

[0031] A fixing plate 6 is provided on one side of the cylinder block 4. The piston rod 5.1 penetrates through the fixing plate 6. The fixing plate 6 is provided with a connecting plate 7 corresponding to the pull rod 3. The connecting plate 7 is provided with a connecting seat 8 and a rotating member 14 corresponding to the force-increasing lever 2. An installation groove 8.1 is provided inside the connecting seat 8. One side of the connecting seat 8 abuts against the connecting plate 7. Part of the force-increasing lever 2 is installed inside the installation groove 8.1, and the rotating member 14 penetrates through the installation groove 8.1 and the force-increasing lever 2 to rotatably arrange the force-increasing lever 2 on the fixture device.

[0032] The rotating member 14 is a pin.

[0033] One end of the force-increasing lever 2 is provided with a positioning groove 2.1. The pull rod 3 is provided with a positioning block 3.1 corresponding to the positioning groove 2.1. The positioning block 3.1 is inserted into the positioning groove 2.1 and the two are fixedly connected.

[0034] The internally supported clamping type robot fixture device further includes a connecting bottom block 9 assembled with the elastic chuck 1. The connecting bottom block 9 is located at the bottom of the connecting seat 8. The connecting bottom block 9 is provided with a groove 9.1 corresponding to the elastic chuck 1. Part of the elastic chuck 1 is installed inside the groove 9.1, and the connecting bottom block 9 and the connecting seat 8 jointly clamp the elastic chuck 1.

[0035] The included angle A between the connecting plate 7 and the fixed plate 6 is 135°, which solves the problem of the five-axis extreme limit position of the robot, and one clamping can meet the grinding requirements of the entire club head.

[0036] One end of the pull rod 3 in contact with the expansion sleeve 1.1 is provided with an inverted conical pull rod head 3.2.

[0037] See Figures 5-7 , a golf club head grinding device with the above-mentioned inner support clamping type robot fixture device, including a golf club head 10, the golf club head 10 is provided with a shank inner hole, the shank inner hole of the golf club head 10 is sleeved on the outer surface of the expansion sleeve 1.1, and the expansion sleeve 1.1 expands and tightly supports the shank inner hole of the golf club head 10 to clamp the golf club head 10.

[0038] The golf club head grinding device with the inner support clamping type robot fixture device further includes a laser alignment corrector 11, and the laser emitted by the laser alignment corrector 11 is aligned with the golf club head 10.

[0039] The golf club head grinding device with the inner support clamping type robot fixture device further includes a robot five-axis 12 for connecting the fixture device, and a grinding wheel 13 for grinding the golf club head 10.

[0040] Specifically:

[0041] The fixture uses an inner support chuck to tightly support the shank inner hole of the golf club head. After the cylinder is filled with high-pressure air, the piston rod 5.1 of the piston 5 is pushed out and pushes the force-increasing lever 2; after the force-increasing lever 2 is pushed, it drives the pull rod 3 to move in the elastic chuck 1; one end of the pull rod 3 is of an inverted conical structure, and during the movement, the expansion sleeve 1.1 of the elastic chuck 1 is expanded to tightly support the shank inner hole. After calculation, the static pressure of the expansion sleeve 1.1 of the elastic chuck 1 on the shank inner hole wall can reach 29.2 N / mm².

[0042] The above is the preferred solution of the present invention, which shows and describes the basic principle, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. An inner support clamping type robot fixture device, comprising a driving component, a pushing component, and an elastic chuck (1), characterized in that: The driving assembly includes a force - increasing lever (2) and a pull rod (3) connected to each other. The driving assembly is connected to the force - increasing lever (2), and the force - increasing lever (2) is rotatably arranged on the fixture device. A part of the pull rod (3) is located inside the elastic chuck (1). The elastic chuck (1) is provided with a expanding sleeve (1.1) for assembling and clamping an object. The object is sleeved on the outer surface of the expanding sleeve (1.1). The maximum outer diameter of one end of the pull rod (3) > the inner diameter of the expanding sleeve (1.1). Among them, the driving assembly drives the force - increasing lever (2) to rotate on the fixture device, and the force - increasing lever (2) drives the pull rod (3) to reciprocate inside the elastic chuck (1) during rotation. During the reciprocating movement, one end of the pull rod (3) gradually contacts and expands the expanding sleeve (1.1), and the expanding sleeve (1.1) of the elastic chuck (1) expands and tightens the object inside the object; or, one end of the pull rod (3) gradually moves away from the expanding sleeve (1.1), and the expanding sleeve (1.1) contracts and resets to release the object. The driving assembly is at least a cylinder. The cylinder includes a cylinder block (4) and a piston (5). The piston (5) is provided with a piston rod (5.1). The piston rod (5.1) is connected to the force - increasing lever (2). When inflating inside the cylinder block (4), the piston (5) pushes the force - increasing lever (2), and the force - increasing lever (2) rotates on the fixture device, and the force - increasing lever (2) further drives the pull rod (3) to move inside the elastic chuck (1). One side of the cylinder block (4) is provided with a fixing plate (6). The piston rod (5.1) penetrates through the fixing plate (6). The fixing plate (6) is provided with a connecting plate (7) corresponding to the pull rod (3). The connecting plate (7) is provided with a connecting seat (8) and a rotating part (14) corresponding to the force - increasing lever (2). The connecting seat (8) is provided with an installation groove (8.1) inside. One side of the connecting seat (8) abuts against the connecting plate (7). A part of the force - increasing lever (2) is installed inside the installation groove (8.1), and the rotating part (14) penetrates through the installation groove (8.1) and the force - increasing lever (2) so that the force - increasing lever (2) is rotatably arranged on the fixture device. The included angle A between the connecting plate (7) and the fixing plate (6) is 135°. It further includes a connecting bottom block (9) assembled with the elastic chuck (1). The connecting bottom block (9) is located at the bottom of the connecting seat (8). The connecting bottom block (9) is provided with a groove (9.1) corresponding to the elastic chuck (1). A part of the elastic chuck (1) is installed inside the groove (9.1), and the connecting bottom block (9) and the connecting seat (8) jointly clamp the elastic chuck (1).

2. The inner support clamping type robot fixture device according to claim 1, characterized in that: One end of the force - increasing lever (2) is provided with a positioning groove (2.1). The pull rod (3) is provided with a positioning block (3.1) corresponding to the positioning groove (2.1). The positioning block (3.1) is inserted into the positioning groove (2.1) and the two are fixedly connected.

3. The inner support clamping type robot fixture device according to claim 1, wherein: One end of the pull rod (3) in contact with the expanding sleeve (1.1) is provided with an inverted - conical pull rod head (3.2).

4. A golf club head grinding device having the inner support clamping type robot fixture device according to any one of claims 1-3, comprising a golf club head (10), the golf club head (10) being provided with a shank inner hole, characterized in that: The inner hole of the tube handle of the golf club head (10) is sleeved on the outer surface of the expanding sleeve (1.1). The expanding sleeve (1.1) tightens the inner hole of the tube handle of the golf club head (10) during expansion to clamp the golf club head (10).

5. The golf club head grinding device with an inner support clamping type robot fixture device according to claim 4, characterized in that: It further includes a laser alignment corrector (11). The laser emitted by the laser alignment corrector (11) is aligned with the golf club head (10).

6. The golf club head grinding device with an inner support clamping type robot fixture device according to claim 5, characterized in that: It further includes a robotic five-axis (12) for connecting the fixture device, and a grinding wheel (13) for grinding the golf club head (10).

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