TWI809264B - An adjustable opening and closing angle mechanism for claw assembly of claw machine - Google Patents

Abstract

The prevent invention provides an adjustable opening and closing angle mechanism for claw assembly of claw machine, comprising a pivot set with a positioning unit on one side and multiple claws configured pivotally on the edge of the pivot set. An adjustable unit is configured pivotally on the pivot set, which penetrates the device and corresponds to the adjustable hole of the positioning unit. The adjustable unit is presented at non-circular setting and has at least pivoting angle that is protruded from the end outline of the pivot set. Thus, the prevent invention can quickly presented at the specific rotating angle. Besides, it can control the angle of claw assembly in the opening state and limit the opening and closing angle of claw assembly in the opening state to increase the efficiency of adjustment on opening and closing angle for claw assembly and rapidly adjust opening and closing angle based on the volume of claw assembly of claw machine.

Description

The opening and closing degree adjustment mechanism of the jaws of the clamping machine

The present invention provides a mechanism for adjusting the opening and closing degree of the jaws of a clamping machine, especially a mechanism for positioning the adjusting element at a specific rotation angle by setting the adjusting element and positioning the positioning element at different positions of the adjusting holes. It is used to control the opening and closing degree of the resisting jaws in the unfolded state.

By the way, the clamping machine is used to pick up the object and transport the object by the crane, so it is widely used in various fields; among them, the more common one is the clamping game machine, also known as the clamping claw machine. To achieve the effect of the game by picking up the product.

Among them, at the beginning of the design of the gripping machine, the jaws were set to adjust the opening and closing degree, so as to adjust the opening and closing degree according to the volume of the gripped object of the gripping machine, so that the grippers can be applied to various types of objects The gripping object eliminates the need to make a variety of jaws of different sizes, so as to reduce the manufacturing cost of the jaws; therefore, various industry companies have developed different adjustment mechanisms for the opening and closing of the jaws, hoping to adjust the opening and closing degrees in a simple way. Adjustment; one of them is the case of "claw structure of grabbing machine" in China's patent certificate No. M590473, which mainly reveals that the adjustment sheet has grooves with different concave depths, so that the adjustment sheet can be adjusted at the same time. At different pivoting angles, the gripper can go deep into different grooves to adjust its opening and closing degree, and the adjustment of the rotation angle of the adjusting piece is as shown in the first and third figures, because the telescopic rod, the adjusting piece and the The tight positioning between the seats is locked to the telescopic rod through the threaded parts. Therefore, by setting the clamping recessed part and the clamping plane on the telescopic rod, when the angle of the adjustment piece needs to be adjusted, it can be clamped by the clamp. Hold it on the clamping plane to position the telescopic rod so that the screwdriver can be used to turn the screw to loosen the tightness of the adjustment piece so that the adjustment piece can be pivoted. Or, lock the threaded parts and position; the adjustment method seems simple, but it needs to use a screwdriver and pliers at the same time to loosen the threaded parts, because the telescopic rod is rotatably set on the base of the electromagnet , in order to prevent the telescopic rod from pivoting when the threaded part is rotated, the telescopic rod must be positioned with pliers. The adjustment and positioning methods are extremely complicated, and it takes a lot of time, and it is not conducive to the use of force, so there are many advantages in the adjustment. inconvenient.

Furthermore, since the telescopic rod is locked and positioned by the threaded piece, the threaded piece must be rotated whenever adjustment is required. In the long run, the threaded piece or the corresponding thread will be broken, resulting in The telescopic rod cannot be positioned accurately, and the gripper must be replaced at this time, so its durability is obviously insufficient.

In view of this, our inventors are concentrating on further research on the adjustment mechanism of the opening and closing degree of the jaws, and proceed to research and development and improvement, hoping to solve the above problems with a better invention, and after continuous testing and modification, we have the present invention The advent of.

Yes, the purpose of the present invention is to solve the aforementioned problems. In order to achieve the above purpose, our inventors provide a mechanism for adjusting the opening and closing of the jaws of the clamping machine, which includes: a pivot seat, which is provided with a a positioning element; and a plurality of jaws pivotally provided on the side edge of the pivot seat; and an adjustment element, which is configured and pivotally arranged on the pivot seat, and the adjustment element is provided with an adjustment hole corresponding to the positioning element, When the adjustment element is at different specific pivot angles relative to the pivot seat, the positioning element is positioned in the adjustment hole at a different position, and the adjustment element is set in a non-circular shape; The adjusting element protrudes from the end surface contour of the pivot seat at least at a pivoting angle, and is used to make the clamping jaw resist the clamping jaw when it is in an unfolded state.

According to the opening and closing degree adjustment mechanism of the jaws of the clamping machine, the pivotal seat is further provided with a positioning groove, and the positioning groove accommodates an elastic piece and the positioning element, and the elastic piece is elastically pressed against the The positioning element is at one end of the positioning groove, and the positioning element is provided with an assembly portion at the end opposite to the elastic member, which can be correspondingly assembled with at least one of the adjustment holes, and the positioning element is formed at the assembly portion. A ring-step surface, and when the connecting portion is combined with at least one of the adjustment holes, the ring-step surface is correspondingly abutted against the adjustment element.

According to the mechanism for adjusting the opening and closing degree of the jaws of the clamping machine, at least one pivotal groove is further provided on the side edge of the pivotal seat, and the jaws are respectively pivotally arranged in the pivotal grooves; and The adjustment element protrudes correspondingly from the pivot joint slot when at least one pivot angle is reached, and is used for making the clamping jaw resist the clamping jaw when it is in the unfolded state.

According to the opening and closing degree adjustment mechanism of the jaws of the clamping machine, the pivot joint grooves form a gap at least at the top of the pivot base, and the positioning element and the adjustment element are arranged on the pivot joint. The top end of the seat; the jaws can protrude from the top end of the notch when the jaws are in the unfolded state and are not resisted by the adjustment element, and the adjustment element is at least partially covered by the adjustment element when it is at a pivot angle. The notch is provided so that when the clamping jaw is in the unfolded state, the adjusting element can resist the clamping jaw.

According to the opening and closing degree adjustment mechanism of the jaws of the clamping machine, it further includes a driving element, a part of the jaw is pivotally arranged on the driving element, and a driving rod is provided at the bottom end of the driving element, and the driving rod is The drive element is vertically lifted and lowered, and the bottom end of the drive rod is assembled on the pivot seat.

According to the mechanism for adjusting the opening and closing degree of the jaws of the clamping machine, the adjusting element is further provided with a through hole, and the bottom end of the drive rod is provided with a pivot joint, the pivot joint passes through the hole, and the drive The bottom end of the rod forms a positioning surface at the top end of the corresponding pivot joint. The fixing element connected to the fixing part.

According to the mechanism for adjusting the opening and closing degree of the jaws of the clamping machine, a connection hole is formed through the pivot joint seat, and the fixing element is correspondingly connected to the fixing part through the connection hole.

According to the opening and closing degree adjustment mechanism of the jaws of the clamping machine, the adjustment element is arranged in a sheet shape and is correspondingly located at the top of the pivot seat.

According to the mechanism for adjusting the opening and closing degree of the jaws of the clamping machine described above, the adjustment element is arranged in a polygonal shape, and the number of sides thereof corresponds to the number of the jaws.

According to the mechanism for adjusting the opening and closing degree of the jaws of the clamping machine described above, the adjustment holes are arranged separately in plural, or have a single hole that can position the positioning element at different positions.

By the above description and setting, it is obvious that the present invention mainly has the following advantages and effects, which are detailed as follows one by one:

1. The present invention can simply and directly locate the positioning element at different adjustment hole positions, and then quickly position the adjustment element at a specific rotation angle, and adjust the length of the end surface profile of the pivot seat through the adjustment element , so as to control the extent of the abutting jaws in the expanded state, and then limit the opening and closing of the jaws in the expanded state, so as to improve the efficiency of adjusting the opening and closing of the jaws, so that it can be opened quickly in response to the volume of the gripped object of the gripper The adjustment of fit can improve the applicability of the present invention, and can enhance the playability of the folder machine; and the positioning of the components and the group setting of the adjustment holes are not easy to cause it to wear and become unusable, so it can improve the present invention overall durability.

Regarding the technical means of our inventors, several preferred embodiments will be described in detail below in conjunction with the drawings, so as to provide an in-depth understanding and recognition of the present invention.

Please refer to Figures 1 to 4, the present invention is a mechanism for adjusting the opening and closing of the jaws of a clamping machine, which includes:

A pivot seat 1, which is provided with a positioning element 11 on one end surface; and a plurality of clamping jaws 2 are pivotally provided on the side edge of the pivot seat 1; and

An adjustment element 3, which is configured and pivotally mounted on the pivot base 1, and the adjustment element 3 is provided with an adjustment hole 31 corresponding to the positioning element 11, for the adjustment element 3 relative to the pivot base 1 When there are different specific pivoting angles, the positioning element 11 is positioned at the adjustment hole 31 in a different position, and the adjusting element 3 is arranged in a non-circular shape; the adjusting element 3 is at least one pivoting Protrude from the end surface profile of the pivot seat 1 at an angle, so as to make the jaw 2 resist the jaw 2 in an unfolded state; and as shown in Figure 1 and Figure 3, the adjustment element 3 At different pivoting angles, it can have different lengths protruding from the pivot base 1, and when the jaws 2 are in the unfolded state, the length of the protrusion from the pivot base 1 can be used to control the abutment of the jaws. 2, as shown in Figure 1, since the length of the adjustment element 3 protruding from the pivot seat 1 at the pivot joint of the jaw 2 is relatively long, the degree of abutment against the jaw 2 is relatively high, so that the jaw 2 In the unfolded state, the opening and closing degree is small, and as shown in Figure 3, after the adjustment element 3 is rotated, the length of the pivot joint seat 1 protruding from the pivot joint of the jaw 2 is relatively short, so it abuts against the jaw 2 The degree of opening and closing is relatively low, so that the opening and closing degree of the unfolded state is relatively large, thereby adjusting the opening and closing degree of the jaws 2 in the unfolded state; and in one embodiment, the adjustment element 3 can also be configured as At a specific angle, it is not protruding or not against the jaw 2, so that the jaw 2 can be extended to the greatest extent, but it is only for illustration and not as a limitation; and by the degree of opening and closing of the jaw 2 The adjustment can improve the applicability of the present invention in response to the outline of the clamped object of the clamping machine, and can achieve the purpose of improving the game performance.

Regarding the positioning of the adjustment element 3 when it rotates at different angles, it is through the positioning between the positioning element 11 and the adjustment hole 31. In one embodiment, it can be configured so that when a force is applied in the direction of rotation, that is, By pressing the positioning element 11, it can be positioned at a specific position of the adjustment hole 31; specifically, for example, the pivot seat 1 is further provided with a positioning groove 12, and the positioning groove 12 accommodates an elastic member 13 and the positioning The element 11, the elastic piece 13 is elastically abutted against the positioning element 11 at one end of the positioning groove 12, and the positioning element 11 is provided with an end opposite to the elastic piece 13, which can be correspondingly assembled with at least one of the adjustment holes 31 assembling portion 111, and the positioning element 11 forms a ring step surface 112 at the place where the assembling portion 111 is provided, and when the assembling portion 111 is assembled in at least one of the adjustment holes 31, as shown in Fig. 4 As shown, the annular step surface 112 can correspond to the adjustment element 3, so as to prevent the positioning element 11 from coming out of the adjustment hole 31 in the vertical direction; therefore, the user can press the positioning element 11 to make The elastic member 13 is elastically compressed, so that the assembly part 111 is separated from the adjustment hole 31. At this time, the adjustment element 3 can be pivoted, and after the pivot, the position to be assembled in the adjustment hole 31 is aligned with the positioning element 11 At this time, the elastic member 13 can be elastically reset actively or passively, so that the assembly part 111 is correspondingly assembled with the adjustment hole 31 after the alignment, so as to achieve the positioning effect of the adjustment element 3 after rotation.

When the user presses the positioning element 11, when the adjustment hole 31 is set through, it can be pressed by the user's hand or by using a tool; or when the assembly part 111 is configured as an arc, use Alternatively, the adjusting element 3 can be rotated by direct application of force, so that the assembling part 111 can be pressed by the side wall of the adjusting element 3 and the adjusting hole 31 to press the elastic member 13 through the assembling part 111. At this time, the adjusting hole 31 can be set through, or It is only a non-penetrating groove for the joint part 111; in this embodiment, the joint part 111 is configured as a column to facilitate pressing by the user's hand or using a tool to lift its The positioning ability in the pivoting direction, but the foregoing is only for illustration, not as a limitation.

As far as the configuration of the adjustment element 3 is concerned, in one embodiment, the adjustment element 3 is arranged in a sheet shape and corresponds to the top end of the pivot seat 1, so as to reduce the complexity of the structure and be easy to form and manufacture. And it can be beneficial for the user to rotate; in addition, the adjustment element 3 is also arranged in a slightly polygonal shape, and its number of sides corresponds to the number of the jaws 2, so the adjustment element can be adjusted by adjusting the angle of the adjustment element 3 The protruding length of the edge of the 3 at the pivot joint of the jaw 2 enables the jaw 2 to abut against the edge or the bottom end of the adjustment element 3 when the jaw 2 is in the unfolded state.

As far as the configuration of the adjustment hole 31 is concerned, in one embodiment, it can be a plurality of separate arrangements, or as shown in the present embodiment shown in Fig. Therefore, it can be seen that the adjustment hole 31 can have a plurality of contours corresponding to the positioning element 11, and they are arranged in a row to form sawtooth, wave and other shapes, so as to achieve the purpose of positioning in the pivoting direction. After positioning, it is not easy to shift the pivot angle due to slight force during the clamping process.

As far as the arrangement between the jaws 2 and the pivot base 1 is concerned, as shown in Figures 1 and 2, at least one pivot groove 14 is provided on the side edge of the pivot base 1, and the jaws 2 are respectively corresponding to the pivot joints. It is located in the pivotal groove 14; and the adjustment element 3 protrudes correspondingly from the pivotal groove 14 when it is less than a pivot angle, so as to make the clamping jaw 2 resist when it is in the unfolded state as mentioned above. For example, the pivot joint groove 14 forms a gap 141 at least at the top of the pivot base 1, and the positioning element 11 and the adjustment element 3 are arranged on the pivot joint. The top end of the seat 1; the jaws 2 can protrude from the top end of the notch 141 when the jaws 2 are in the unfolded state and are not blocked by the adjustment element 3, and the adjustment element 3 is at least a pivot angle , to at least partially cover the notch 141, or completely cover the notch 141, so that, as mentioned above, when the clamping jaw 2 is in the unfolded state, the adjustment element 3 can resist the clamping jaw 2, so as to achieve To the aforementioned effect of adjusting the opening and closing degree.

As far as the specific arrangement of the jaws 2 is concerned, in one embodiment, the present invention further includes a driving element 4, which can be a solenoid valve, and part of the jaws 2 is pivotally arranged on the driving element 4, The bottom end of the driving element 4 is provided with a driving rod 41, and the driving rod 41 is controlled by the driving element 4 to vertically lift on the driving element 4, and the bottom end of the driving rod 41 is assembled on the pivot seat 1, so It can be seen that the jaws 2 can respectively have a curved portion 21 and a connecting arm 22, wherein the jaws 2 are pivotally arranged on the driving element 4 through the connecting arm 22, and the connecting arm 22 makes the end system pivotally arranged on the The curved portion 21, and the jaws 2 are pivotally arranged on the pivot seat 1 at one end of the curved portion 21, and the other end is used for clamping, so by lifting the driving rod 41, the arc can be bent The part 21 is used as a fulcrum to move to the unfolded state or the clamped state, and its setting is a conventional technology, so it will not be repeated here.

In order to facilitate the assembly of the drive rod 41 on the pivot seat 1, the adjustment member 3 can still be rotated and adjusted, so the adjustment member 3 is further provided with a perforation 32, and the bottom end of the drive rod 41 is provided with a pivot joint. 411, the pivotal portion 411 passes through the through hole 32, and the bottom end of the driving rod 41 forms a positioning surface 412 at the top of the corresponding pivotal portion 411, and the positioning surface 412 is axially limited to the top end of the adjustment element 3 , so that the adjustment element 3 cannot move upwards to ensure that the positioning element 11 can be correspondingly assembled in the adjustment hole 31; and the bottom end of the pivot portion 411 is provided with a fixing part 413, and the pivot base 1 is provided with a corresponding connection on the pivot portion 411. The fixed element 414 of the fixing part 413 is used to axially position the pivotal seat 1, the adjustment element 3 and the driving rod 41 through the fixed element 414 without falling off; it can be seen that the pivotal seat 1 is pierced with a connection Holes 15, the fixing element 41 is correspondingly connected to the fixing part 413 through the connecting hole 15, so in one embodiment, the fixing element 414 can be a screw, and the fixing part 413 can be a corresponding screw hole, Positioning through the locking method; and because the adjustment of the adjustment element 3 in the rotation direction is as mentioned above, the positioning is performed through the positioning element 11 and the adjustment hole 31, and there is no need to loosen the fixing element 414 during the process. , so there will be no collapse of teeth, so that the overall durability of the present invention can be improved.

To sum up, the technical means disclosed in the present invention can effectively solve the problems of conventional knowledge and achieve the expected purpose and effect, and it has not been published in publications before application, has not been publicly used, and has long-term progress. The invention mentioned in the patent law is correct. I file an application according to the law. I sincerely pray that Junshang Hui will give you a detailed review and grant the invention patent. I am very grateful to Dexin.

However, the above are only several preferred embodiments of the present invention, and should not limit the scope of the present invention, that is, all equivalent changes and modifications made according to the patent scope of the present invention and the content of the description of the invention are all Should still belong to the scope covered by the patent of the present invention.

1: Pivot seat 11: Positioning element 111: Assembly part 112: ring surface 12: positioning slot 13: Elastic parts 14: pivot slot 141: Gap 15: Connection hole 2: Gripper 21: Curved part 22: connecting arm 3: Adjustment components 31: Adjustment hole 32: perforation 4: Drive components 41: Drive rod 411: pivot joint 412: positioning surface 413: fixed parts 414: Fixed components

Fig. 1 is a three-dimensional schematic view of the present invention. Fig. 2 is a three-dimensional exploded schematic view of the present invention. Fig. 3 is a three-dimensional schematic diagram of the lower degree of abutment against the jaws when the adjustment element is in the unfolded state. Figure 4 is a schematic partial cross-sectional view at position A-A of Figure 1.

1: Pivot seat

111: Assembly part

14: pivot slot

2: Gripper

21: Curved part

22: connecting arm

3: Adjustment components

31: Adjustment hole

32: perforation

4: Drive components

41: Drive rod

Claims (9)

A mechanism for adjusting the opening and closing degree of the jaws of a clamping machine, which includes: a pivot joint seat, which is provided with a positioning element on one end surface; A positioning groove is provided in the axial direction, and the positioning groove accommodates an elastic piece and the positioning element, and the elastic piece elastically abuts against the positioning element at one end of the positioning groove; and an adjusting element, which is configured and pivotally arranged An adjustment hole corresponding to the positioning element is arranged axially through the pivot seat, and the adjustment element is used for when the adjustment element is at a different specific pivot angle relative to the pivot seat, the positioning element is If the adjustment holes are located at different positions, and the adjustment element is non-circular, the positioning element is provided with an assembly portion that can be correspondingly assembled in at least one of the adjustment holes at the end opposite to the elastic member , the locating element and the assembling portion are columnar, and the diameter of the assembling portion is smaller than the locating element, so that the locating element forms a ring-like surface at the place where the assembling portion is provided, and the assembling portion When the part is assembled in at least one of the adjustment holes, the annular step surface is correspondingly abutted against the adjustment element; the adjustment element is protruding from the end surface contour of the pivot seat at least at a pivot angle, so as to make When the clamping jaws are in an unfolded state, the clamping jaws are resisted. The mechanism for adjusting the opening and closing degree of the jaws of the folder machine according to claim 1, wherein the side edge of the pivot seat is further provided with at least one pivot groove, and the jaws are respectively pivotally arranged in the pivot groove ; and the adjustment element is correspondingly protruded from the pivot joint groove when at least one pivot angle is reached, so as to make the clamping jaw resist the clamping jaw when it is in the unfolded state. According to the opening and closing degree adjustment mechanism of the jaws of the folder machine according to claim 2, wherein, the pivot joint grooves form a gap at least at the top of the pivot joint seat, and the positioning element and the adjustment element are arranged on the The top of the pivot seat; the clamping jaws are in the unfolded state, and when they are not blocked by the adjustment element, they can protruding from the top of the notch, and the adjustment element at least partially covers the notch when the pivot angle is less than one, so that when the jaws are in the unfolded state, the adjustment element can resist the clamp claw. The opening and closing degree adjustment mechanism of the jaws of the folder machine as described in claim 1 further includes a driving element, the part of the jaw is pivotally arranged on the driving element, and a driving rod is provided at the bottom end of the driving element. The rod system vertically lifts on the driving element, and the bottom end of the driving rod is assembled on the pivot seat. The mechanism for adjusting the opening and closing degree of the jaws of the folder machine as described in claim 4, wherein the adjustment element is further provided with a through hole, and the bottom end of the driving rod is provided with a pivot joint, and the pivot joint passes through the through hole, and The bottom end of the drive rod forms a positioning surface at the top of the corresponding pivot joint. There is a fixing element corresponding to the fixing part. According to the opening and closing degree adjustment mechanism of the jaws of the folder machine as described in Claim 5, wherein, a connection hole is formed on the pivot joint seat, and the fixing element is correspondingly provided on the fixing part through the connection hole. The mechanism for adjusting the opening and closing degree of the jaws of the clamping machine as described in claim 1, wherein the adjusting element is arranged in a sheet shape and is correspondingly located at the top of the pivot seat. The mechanism for adjusting the opening and closing degree of the clamping jaws of the clamping machine according to claim 1, wherein the adjusting element is arranged in a polygonal shape, and the number of sides corresponds to the number of the clamping jaws. The mechanism for adjusting the opening and closing degree of the jaws of the clamping machine as described in Claim 1, wherein the adjustment holes are arranged in plural numbers separately, or have a single hole that can position the positioning element at different positions.

Images