TWM593061U - Holder - Google Patents

Abstract

A clamping device includes a shaft, at least one clamp and a limiting member. The shaft extends along a length. The clamp includes a first rotating member and a second rotating member that are spaced apart on two opposite sides of the shaft in a width direction and rotatably pivoted on the shaft. The limiting member includes a limiting portion and two fixing portions, the limiting portion extends along the length direction and extends between the first rotating member and the second rotating member, and the limiting portion is in the width direction The two opposite side edges are spaced apart from the first rotating member and the second rotating member, respectively, the fixing portions are spaced apart from both sides of the clamp in the length direction, and the opposite ends of each fixing portion respectively fix the limit The position portion and the shaft, thereby preventing the limit portion from rotating relative to the shaft and limiting the rotation angle of the clamp.

Description

Clamping device

The invention relates to a clamping device, in particular to a clamping device for clamping a substrate.

Generally speaking, the structure of a clamping device for clamping and transporting a substrate includes a shaft arranged on a conveyor belt, and at least one clamp arranged on the shaft. The clamping device moves cyclically through the conveyor belt. Specifically, the clamping device can clamp the side of the substrate through the clamp when the conveyor belt corresponds to the end where the substrate enters, and will move along with the conveyor belt. The substrate moves to the end of the conveyor belt ready to output the substrate. When the substrate is released, the clamping device will rotate upward with the conveyor belt and return to the end that is ready to clamp the substrate. For the existing clamping device, the clamp can rotate relative to the shaft, so that when the clamping end of the clamp is offset and not facing the substrate, it can facilitate the operator to adjust in time, so that the clamp can smoothly clamp Holding substrate. However, when the clamping device releases the substrate and rotates upward, the clamp rotates downward due to the influence of gravity, and then the insertion of the conveyor belt occurs, resulting in damage to the clamp and the conveyor belt. Therefore, how to prevent the jig from being inserted into the conveyor belt under the premise of the existing jig installation is an urgent problem to be overcome at present.

Therefore, the purpose of the present invention is to provide a clamping device that solves the above problems.

Therefore, the new clamping device includes a shaft, at least one clamp and a limiting member. The shaft extends along a length. The clamp includes a first rotating member and a second rotating member that are spaced apart on two opposite sides of the shaft in a width direction and rotatably pivoted on the shaft. The limiting member includes a limiting portion and two fixing portions, the limiting portion extends along the length direction and extends between the first rotating member and the second rotating member, and the limiting portion is in the width direction The two opposite side edges are spaced apart from the first rotating member and the second rotating member, respectively, the fixing portions are spaced apart from both sides of the clamp in the length direction, and the opposite ends of each fixing portion respectively fix the limit The position portion and the shaft, thereby preventing the limit portion from rotating relative to the shaft and limiting the rotation angle of the clamp.

In some embodiments, the first rotating member has a first base wall extending in a height direction, and two extend from two opposite sides of the first base wall toward the direction of the second rotating member and are pivotally connected In the first pivoting wall of the shaft, the first base wall has a first abutting end, and a first pressing abutment higher in height than the first abutting end; the second rotating member Having a second base wall extending along the height direction, and two second pivot walls respectively extending from opposite sides of the second base wall toward the first rotating member and pivotally connected to the shaft, the The second base wall has a second abutting end adjacent to the first abutting end, and a second pressing abutting portion whose height is higher than the second abutting end; the clamp further includes a An elastic member fixed between the first rotating member and the second rotating member and fixed to the shaft, two opposite ends of the elastic member pressing against the first pressing end portion and the second pressing end portion, respectively , So that the first abutting end and the second abutting end are close to each other.

In some embodiments, the limiting portion is rectangular and has a front side edge adjacent to and spaced apart from the first base wall, and a rear side edge adjacent to and spaced apart from the second base wall, the front side edge and the The first base wall is separated by a first pitch, and the first pitch ranges from 1 to 2 mm, and the rear side edge is separated from the second base wall by a second pitch, and the second pitch ranges from 1 to 2 mm.

Therefore, the new clamping device includes a shaft, at least one clamp and a limiting member. The shaft extends along a length. The clamp is rotatably pivoted on the shaft. The stopper surrounds the circumferential side of the clamp, and two opposite sides in a width direction are spaced apart from the clamp, respectively, and the two opposite sides in the length direction are fixed to the shaft, respectively, so that the The stopper cannot rotate relative to the shaft and limits the rotation angle of the clamp.

The effect of the present invention is that the clamping device is fixed to the shaft by the limiting member and retains the first spacing and the second spacing between the first rotating member and the second rotating member, and simultaneously has limitations The rotation angle of the clamp relative to the shaft and the elasticity of the rotation of the clamp are retained, thereby ensuring that the clamp will not be inserted into the conveyor belt during the upward rotation of the clamping device. In addition, it is convenient for the operator to easily adjust the angle of the fixture.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same number.

Referring to FIGS. 1 and 2, a first embodiment of the novel clamping device 100 includes a shaft 1, at least one clamp 2 and a limiting member 3. In this embodiment, for example, a plurality of clamping devices 100 are installed on a conveyor belt 9. The conveyor belt 9 has a feeding end 91 and a discharging end 92. The clamping devices 100 can be placed on the feeding end 91 clamps the substrate 8 and transports the substrate 8 to the discharge end 92. Afterwards, it turns up to the feed end 91.

For each clamping device 100, the shaft 1 extends along a length direction D1. The opposite ends of the shaft 1 are fixed to the conveyor belt 9.

Referring to FIGS. 2 to 4, in this embodiment, for example, two clamps 2 are spaced apart along the length direction D1 and are pivotally mounted on the shaft 1. Of course, the number of the clamps 2 can be increased according to the actual use state. Less. Specifically, each clamp 2 includes a first rotating member 21, a second rotating member 22 and an elastic member 23. The first rotating member 21 and the second rotating member 22 are spaced apart from two opposite sides of the shaft 1 in a width direction D2 perpendicular to the longitudinal direction D1 and are rotatably pivoted on the shaft 1. The first rotating member 21 specifically has a first base wall 211 extending along a height direction D3, and two extending from two opposite sides of the first base wall 211 toward the second rotating member 22 and pivotally connected The first pivot wall 212 of the shaft 1, wherein the first base wall 211 spans the upper and lower sides of the shaft 1, and has a first abutting end 213 and a height higher than the first abutment The first pressing end portion 214 of the abutting end portion 213, two first side edges 215 spaced apart in the longitudinal direction D1 and extending along the height direction D3, and two respectively facing the first side edges 215 from the first side edges 215 The first side wall portion 216 extending in the direction of the second rotating member 22. More clearly, the first base wall 211 extends downward from the first pressing end portion 214 along the height direction D3 and then extends obliquely downward toward the second rotating member 22 to the first abutting end portion 213. The end edges of the first side wall portions 216 are spaced from the shaft 1. The first pivoting walls 212 extend from the portions of the first side wall portion 216 and the shaft 1 having the same height toward the second rotating member 22, and are sleeved on the shaft 1.

The size and structure of the second rotating member 22 and the first rotating member 21 are similar. The second rotating member 22 specifically has a second base wall 221 extending along the height direction D3, and two separate bases from the second base The two opposite sides of the wall 221 extend toward the first rotating member 21 and are pivotally connected to the second pivot wall 222 of the shaft 1, wherein the second base wall 221 spans the upper and lower sides of the shaft 1, And has a second abutting end portion 223, a second pressing abutting end portion 224 whose height is higher than the second abutting end portion 223, and two first spaced apart in the longitudinal direction D1 and extending along the height direction D3 Two side edges 225, and two second side wall portions 226 extending from the second side edges 225 toward the first rotating member 21 respectively. More specifically, the second base wall 221 extends downward from the second pressing end portion 224 along the height direction D3 and then extends obliquely downward toward the first rotating member 21 to the second abutting end portion 223, the heights of the second abutting end portion 223 and the first abutting end portion 213 are equal, thereby making the first abutting end portion 213 and the second abutting end portion 223 abut against each other. The end edges of the second side wall portions 226 are spaced from the shaft 1. The second pivoting walls 222 extend from the portions of the second side wall portion 226 and the shaft 1 having the same height toward the first rotating member 21, and are sleeved on the shaft 1 and adjacent to the shafts The outer side of the first pivoting wall 212. In addition, the elastic member 23 is exemplified as a torsion spring, which is sleeved on the shaft 1 and is located between the first base wall 211 and the second base wall 221, and one end of the elastic member 23 is pressed against the first Pressing against the inner side of the end portion 214, the other end pressing against the inner side of the second pressing end portion 224, thereby providing that the first pressing end portion 214 and the second pressing end portion 224 are away from each other Then, the first abutting end portion 213 and the second abutting end portion 223 are brought closer to each other to tightly clamp the substrate 8.

The limiting member 3 is generally U-shaped, and includes a limiting portion 31 and two fixing portions 32, wherein the limiting portion 31 is generally rectangular and extends through the first rotating member 21 and the second rotating member 22 And the height is between the first abutting end 213 and the shaft 1, the limiting portion 31 extends along the length direction D1 and the opposite ends protrude from the clamp 2, the limiting portion 31 Specifically, it has a left edge 311 and a right edge 312 that are spaced apart from the opposite sides of the clamp 2 in the length direction D1 and extend along the width direction D2, and are spaced apart in the width direction D2 and extend along the length direction D1 A front side edge 313 and a rear side edge 314, wherein the front side edge 313 is spaced apart from the first side wall portion 216 by a first spacing L1, the preferred spacing range of the first spacing L1 is 1~2 mm. The rear side edge 314 is spaced apart from the second side wall portion 226 by a second spacing L2. The preferred spacing range of the second spacing L2 is 1 to 2 mm. The fixing portions 32 are respectively connected to the left edge 311 and the right edge 312 and extend along the height direction D3. The fixing portions 32 are also sleeved on the shaft 1 and fixed to the shaft 1 by welding, It is ensured that the limiting member 3 cannot rotate relative to the shaft 1 and the inner surface of each fixing portion 32 contacts the side of the clamp 2 to restrict the clamp 2 from moving along the length direction D1.

Referring to FIG. 1, FIG. 2, FIG. 4 and FIG. 5, through the above structure, it can be seen that when the clamping device 100 reaches the feed end 91 of the conveyor belt 9, even if the clamp 2 is offset and the first abutting end The portion 213 and the second abutting end portion 223 are not directly facing downward, because the first spacing L1 and the second spacing are maintained between the first rotating member 21 and the second rotating member 22 and the limiting portion 31 L2, therefore, the operator can turn the jig 2 in time until the first abutting end portion 213 and the second abutting end portion 223 are directly facing downward, so as to smoothly clamp the substrate 8. Furthermore, after the clamping device 100 moves to the discharge end 92 and releases the substrate 8, it will continue to be turned upward to return to the feed end 91. During the upward rotation, the limiting portion 31 restricts the rotation angle of the clamp 2 relative to the shaft 1, thereby ensuring that the clamp 2 will not be inserted into the conveyor belt 9, and then the clamping device 100 is lifted Smoothness of movement.

6 to 8, a second embodiment of the clamping device 100 of the present invention, the difference between the second embodiment and the first embodiment lies in the structural shape of the limiting member 3, and the first pivot The connecting walls 212 are respectively adjacent to the outer sides of the second pivoting walls 222. Specifically, the limiting member 3 is ring-shaped and surrounds the peripheral side of the clamp 2. The limiting member 3 has a first limiting portion 33 spaced from the outer surface of the first base wall 211 and a spaced The second limiting portion 34 and the two fixing portions 32 on the outer surface of the second base wall 221. The first limiting portion 33 and the second limiting portion 34 extend along the longitudinal direction D1, and the inner surface of the first limiting portion 33 is spaced apart from the outer surface of the first base wall 211 by a first distance L1, the inner surface of the second limiting portion 34 is spaced apart from the outer surface of the second base wall 221 by a second distance L2, the first distance L1 preferably ranges from 1 to 2 mm, and the second distance L2 is The preferred range is 1~2 mm. In addition, the fixing portions 32 extend along the width direction D2, and two opposite ends of each fixing portion 32 are respectively connected to one end of the first limiting portion 33 and one end of the second limiting portion 34, and each fixing portion The inner surface of 32 abuts against the side of the clamp 2 to restrict the clamp 2 from moving along the length direction D1.

In summary, the new clamping device 100 is fixed to the shaft 1 by the limiting member 3 and retains the first distance L1 and the first distance between the first rotating member 21 and the second rotating member 22 Two spacings L2, both restricting the rotation angle of the clamp 2 relative to the shaft 1 and retaining the elasticity of the rotation of the clamp 2, thereby ensuring that the clamp 2 does not The conveyor belt 9 will be inserted. In addition, it is convenient for the operator to easily adjust the angle of the jig 2, so the purpose of new cost can be achieved indeed.

However, the above are only examples of the new model. When the scope of the new model cannot be limited by this, any simple equivalent changes and modifications made according to the patent application scope and patent specification content of the new model are still regarded as Within the scope of this new patent.

100: clamping device 1: fixture 21: The first rotating part 211: The first base wall 212: The first pivot wall 213: The first close to the end 214: The first pressure against the end 215: first side margin 216: First side wall part 22: Second rotating part 221: Second base wall 222: Second pivot wall 223: The second abutment end 224: The second pressing end 225: second side margin 226: Second side wall 23: Elastic parts 3: Limit pieces 31: Limit part 311: left edge 312: Right edge 313: Front edge 314: Rear edge 32: fixed part 33: The first limit 34: Second limit 8: substrate 9: conveyor belt 91: feed end 92: Discharge end L1: first pitch L2: second pitch D1: length direction D2: width direction D3: height direction

Other features and functions of the present invention will be clearly presented in the embodiments with reference to the drawings, in which: 1 is a schematic side view of a first embodiment of the new clamping device of the present invention, illustrating the state of the clamping device installed on a conveyor belt; 2 is a schematic perspective view of the first embodiment, illustrating the structure of the clamping device; FIG. 3 is a schematic exploded schematic view of the first embodiment, illustrating the detailed structure of the clamping device; FIG. 4 is a schematic cross-sectional view taken along line IV-IV of FIG. 2, illustrating the distance between a stopper and a jig in this embodiment; 5 is a partially enlarged schematic view of one of FIG. 1; 6 is a perspective schematic view of a second embodiment of the new clamping device; 7 is an exploded perspective view of the second embodiment, illustrating the detailed structure of the clamping device; and FIG. 8 is a schematic cross-sectional view taken along the line VIII-VIII of FIG. 6, illustrating the distance between the limiting member and the clamp of this embodiment.

21: The first rotating part

211: The first base wall

212: The first pivot wall

213: The first close to the end

214: The first pressure against the end

216: First side wall part

22: Second rotating part

226: Second side wall

23: Elastic parts

3: Limit pieces

31: Limit part

313: Front edge

314: Rear edge

32: fixed part

221: Second base wall

222: Second pivot wall

223: The second abutment end

224: The second pressing end

L1: first pitch

L2: second pitch

D2: width direction

D3: height direction

Claims (5)

A clamping device, including: A shaft extending along a length direction; At least one clamp, including a first rotating member and a second rotating member that are spaced apart on two opposite sides of the shaft in a width direction and rotatably pivoted to the shaft; and A limiter includes a limiter and two fixing parts, the limiter extends along the length direction and penetrates between the first rotating member and the second rotating member, the limiter is in the width direction The two opposite side edges on the top are spaced apart from the first rotating member and the second rotating member, respectively, the fixing portions are spaced apart from both sides of the clamp in the length direction, and the opposite ends of each fixing portion respectively fix the The limiting part and the shaft, so that the limiting part cannot rotate relative to the shaft and limit the rotation angle of the clamp. The clamping device according to claim 1, wherein the first rotating member has a first base wall extending in a height direction, and two rotating from two opposite sides of the first base wall toward the second The piece extends in the direction and is pivotally connected to the first pivoting wall of the shaft, the first base wall has a first abutting end, and a first pressing abutment higher than the first abutting end The second rotating member has a second base wall extending in the height direction, and two extending from the opposite sides of the second base wall toward the direction of the first rotating member and pivotally connected to the shaft Two pivoting walls, the second base wall has a second abutting end adjacent to the first abutting end, and a second pressing abutting height higher than the second abutting end; the The clamp also includes an elastic member located between the first rotating member and the second rotating member and fixed to the shaft. The two opposite ends of the elastic member are pressed tightly against the first pressing end and the The second pressing end portion makes the first pressing end portion and the second pressing end portion approach each other. The clamping device according to claim 1, wherein the limiting portion is rectangular and has a front side edge adjacent to and spaced apart from the first base wall, and a rear side edge adjacent to and spaced apart from the second base wall , The front side edge is separated from the first base wall by a first distance, and the first distance range is 1 to 2 mm, the rear side edge is separated from the second base wall by a second distance, and the second distance range It is 1~2 mm. A clamping device, including: A shaft extending along a length direction; At least one clamp, pivotably mounted on the shaft; and A stopper surrounds the peripheral side of the clamp, and two opposite sides in a width direction are spaced apart from the clamp, and the two opposite sides in the length direction are fixed to the shaft, respectively, so that The limiter cannot rotate relative to the shaft and limits the rotation angle of the clamp. The clamping device according to claim 4, wherein the first rotating member has a first base wall extending in a height direction, and two rotating from two opposite sides of the first base wall toward the second The piece extends in the direction and is pivotally connected to the first pivoting wall of the shaft, the first base wall has a first abutting end, and a first pressing abutment higher than the first abutting end The second rotating member has a second base wall extending in the height direction, and two extending from the opposite sides of the second base wall toward the direction of the first rotating member and pivotally connected to the shaft Two pivoting walls, the second base wall has a second abutting end adjacent to the first abutting end, and a second pressing abutting height higher than the second abutting end; the The clamp also includes an elastic member located between the first rotating member and the second rotating member and fixed to the shaft. The two opposite ends of the elastic member are pressed tightly against the first pressing end and the The second pressing end portion makes the first pressing end portion and the second pressing end portion approach each other.

Images