CN219987309U - Clamping fixture - Google Patents

Abstract

The utility model discloses a clamping jig which is used for fixing a workpiece and comprises a supporting component, a driving component and a first supporting component. The support assembly comprises a base plate and a positioning plate, the positioning plate is arranged on the upper side of the base plate, the positioning plate is provided with a profiling cavity, the profiling cavity is used for positioning a workpiece, the base plate is provided with a sliding groove, a first movable groove and a second movable groove, the driving assembly comprises a driving rod, and the driving rod is provided with a first chute; the first supporting component comprises a transmission piece and a first supporting piece, the transmission piece is in supporting connection with the first chute, the transmission piece is provided with a first inclined plane, the transmission piece is also provided with a second chute, the first supporting piece is in supporting connection with the second chute, and the first supporting piece is provided with a second inclined plane; the driving rod drives the transmission piece to move along the first movable groove through the first chute, and the transmission piece drives the first propping piece to move along the second movable groove through the second chute, so that the first propping piece is propped against or loosens a workpiece. The clamping jig is simple in structure, and the assembly and disassembly of the workpiece is simple and quick to operate.

Description

Clamping fixture

Technical Field

The utility model relates to the technical field of workpiece clamping, in particular to a clamping jig.

Background

The processing tool that adopts at present when installing and removing the work piece, generally need adopt auxiliary jig just can accomplish the action of installing and removing the work piece, because two sets of tools cooperation of processing tool and auxiliary jig are used just can accomplish the operation of installing and removing the work piece, consequently the tool structure is complicated, with high costs, and leads to the operation personnel inconvenient operation.

Disclosure of Invention

In view of the foregoing, it is necessary to provide a clamping fixture that can simplify the structure of the fixture and facilitate the assembly and disassembly of the workpiece by the operator.

The embodiment of the utility model provides a clamping jig for fixing a workpiece, which comprises the following components: the support assembly comprises a base plate and a positioning plate, the positioning plate is arranged on the upper side of the base plate, the positioning plate is provided with a profiling cavity, the profiling cavity is used for positioning the workpiece, the base plate is provided with a sliding groove, a first movable groove and a second movable groove, the first movable groove is communicated with the sliding groove, the second movable groove is communicated with the first movable groove, and the extending direction of the second movable groove is parallel to the extending direction of the sliding groove; the driving assembly comprises a driving rod which is arranged in the chute in a sliding way, and a first chute is arranged on the driving rod; the first propping component comprises a transmission part and a first propping part, the transmission part and the first chute are correspondingly arranged, the transmission part is slidably arranged in the first movable groove and is propped against the first chute, one end of the transmission part, which is propped against the first chute, is provided with a first inclined plane matched with the first chute, the transmission part is also provided with a second chute corresponding to the second movable groove, the first propping part and the second chute are correspondingly arranged, the first propping part is movably arranged in the first movable groove and is propped against the second chute, and one end of the first propping part, which is propped against the second chute, is provided with a second inclined plane matched with the second chute; the driving rod drives the transmission piece to move in the first movable groove through the cooperation of the first chute and the first inclined surface, and drives the first propping piece to move in the second movable groove through the cooperation of the second chute and the second inclined surface on the transmission piece, so that the first propping piece props against or loosens the workpiece.

Above-mentioned clamping tool, when clamping or dismantlement work piece, the operating personnel only need push-and-pull actuating lever in the drive assembly slide along the spout, alright drive the driving medium through first chute and follow first movable groove motion, and then drive first support piece along second movable groove motion through the second chute on the driving medium, be convenient for first support piece be close to or keep away from the work piece that is located on the supporting component to support or loosen the work piece, make things convenient for clamping and tear open the clamp. Because the auxiliary jig is not required to be used in the process of assembling and disassembling the workpiece, the structure of the clamping jig is simplified, and the manufacturing cost of the clamping jig is reduced. In addition, the clamping jig is convenient to assemble and disassemble the workpiece, and an operator can easily remove the limitation on the workpiece by pushing the driving assembly, so that the operation is simple and convenient.

In some embodiments, the first abutment assembly further comprises a first resilient member and a second resilient member; the first elastic piece is arranged in the first movable groove, one end of the first elastic piece is abutted against the transmission piece, the other end of the first elastic piece is abutted against the inner wall of the first movable groove, and the first elastic piece is used for abutting against the transmission piece so that the first inclined plane is abutted against the first inclined groove of the driving rod; the second elastic piece is arranged in the second movable groove, one end of the second elastic piece is abutted to the first abutting piece, the other end of the second elastic piece is abutted to the inner wall of the second movable groove, and the second elastic piece is used for abutting against the first abutting piece so that the second inclined plane is abutted to the second inclined groove of the transmission piece.

In some embodiments, the support component is provided with a plurality of first movable grooves and a plurality of second movable grooves, and the first movable grooves and the second movable grooves are in one-to-one correspondence; the driving rod is provided with a plurality of first inclined grooves which are respectively in one-to-one correspondence with the first movable grooves; the first supporting components are provided with a plurality of groups, the transmission parts in the first supporting components are respectively arranged in the first movable grooves, and the first supporting parts in the first supporting components are respectively arranged in the second movable grooves.

In some embodiments, a third movable groove is further formed on the supporting component, and the third movable groove is communicated with the sliding groove; a third chute is also formed on the driving rod; the clamping jig further comprises a second supporting component, the second supporting component comprises a second supporting piece, the second supporting piece is arranged corresponding to the third inclined groove, the second supporting piece is movably arranged in the third movable groove and is in butt joint with the third inclined groove, and a third inclined surface matched with the third inclined groove is arranged at one end, in butt joint with the third inclined groove, of the second supporting piece; the driving rod drives the second abutting piece to move in the third movable groove through the cooperation of the third chute and the third inclined plane, so that the second abutting piece abuts against or loosens the workpiece.

In some embodiments, the second supporting component further includes a third elastic element, the third elastic element is disposed in the third movable slot, one end of the third elastic element is abutted against the second supporting element, the other end of the third elastic element is abutted against the inner wall of the third movable slot, and the third elastic element is used for pushing against the second supporting element, so that the third inclined plane is abutted against the third chute of the driving rod.

In some embodiments, a plurality of first avoidance holes are formed in a side, close to the supporting component, of the positioning plate, the first avoidance holes correspond to one ends of the first abutting piece and the second abutting piece, which are used for abutting against the workpiece, and the first avoidance holes are used for avoiding the first abutting piece and the second abutting piece, so that one ends, abutting against the workpiece, of the first abutting piece and the second abutting piece penetrate through the first avoidance holes, and the workpiece in the profiling cavity is positioned.

In some embodiments, a reset groove is further arranged on the base plate, and the reset groove is communicated with the sliding groove; the driving assembly further comprises a fourth elastic piece, the fourth elastic piece is arranged in the reset groove, one end of the fourth elastic piece is abutted to the side wall of the reset groove, the other end of the fourth elastic piece is abutted to the driving rod, and the fourth elastic piece is used for pushing the driving rod to reset.

In some embodiments, the clamping fixture further comprises a third supporting component, the third supporting component comprises a supporting piece and a positioning needle, the supporting piece is connected to one end of the driving rod and protrudes out of the substrate, the positioning needle is connected to one side, facing the first supporting component, of the supporting piece, and the positioning needle is used for being inserted into the workpiece to position the workpiece.

In some embodiments, the positioning plate is further provided with a second avoidance hole, where the second avoidance hole corresponds to the positioning needle, and is used for the positioning needle to pass through to avoid the positioning needle.

In some embodiments, the support assembly further includes a plurality of positioning pins, wherein the plurality of positioning pins are connected to a side of the positioning plate facing away from the support assembly, and the plurality of positioning pins are configured to be inserted into the workpiece to position the workpiece.

Drawings

Fig. 1 is a schematic perspective view of a clamping fixture according to some embodiments of the present utility model.

Fig. 2 is an exploded view of the clamping jig shown in fig. 1.

Fig. 3 is a top view of the clamping fixture of fig. 1 in addition to the positioning assembly.

Fig. 4 is a schematic view of another angle of the positioning plate shown in fig. 2.

Description of the main reference signs

Clamping jig 100

Support assembly 10

Substrate 11

Chute 111

First movable groove 112

Second movable groove 113

Third movable groove 114

Reset groove 115

Locating plate 12

Profiling cavity 121

First avoidance hole 122

Second clearance hole 123

Locating pin 13

Drive assembly 20

Drive rod 21

First chute 211

Third chute 212

Fourth elastic member 22

First supporting component 30

Transmission member 31

First inclined surface 311

Second chute 312

First abutting piece 32

Second inclined surface 321

First elastic member 33

Second elastic member 34

Second supporting and holding component 40

Second abutting piece 41

Third inclined surface 411

Third elastic member 42

Third holding component 50

Support member 51

Positioning needle 52

Workpiece 200

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, it is to be noted that the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; the two components can be connected in a mechanical mode, can be electrically connected or can be communicated with each other, can be directly connected, can be indirectly connected through an intermediate medium, and can be communicated with each other inside the two components or can be in interaction relation with each other. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Some embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

Referring to fig. 1, an embodiment of the present utility model provides a clamping fixture 100 for fixing a workpiece 200, in this embodiment, the workpiece 200 is a frame of an electronic product such as a mobile phone, a tablet, etc., in other embodiments, the clamping fixture 100 may clamp and fix other workpieces 200, and the clamping fixture 100 in this embodiment does not limit the type of the workpiece 200.

Referring to fig. 1 and 2, the clamping fixture 100 includes a support assembly 10, a driving assembly 20 and a first supporting assembly 30.

The support assembly 10 comprises a base plate 11 and a positioning plate 12, the positioning plate 12 is arranged on the upper side of the base plate 11, the positioning plate 12 is provided with a profiling cavity 121, the profiling cavity 121 is used for positioning a workpiece 200, the base plate 11 is provided with a sliding groove 111, a first movable groove 112 and a second movable groove 113, the first movable groove 112 is communicated with the sliding groove 111, the second movable groove 113 is communicated with the first movable groove 112, and the extending direction of the second movable groove 113 is parallel to the extending direction of the sliding groove 111. The support assembly 10 is, for example, a plate-like structure, which is convenient to place, has a stable structure, and is beneficial to fixing the workpiece 200. For convenience of understanding, referring to fig. 1, the direction in which the chute 111 is defined as the X-axis direction, the direction in which the first movable slot 112 is defined as the Y-axis direction, and the direction perpendicular to the support assembly 10 is defined as the Z-axis direction.

The driving assembly 20 comprises a driving rod 21, the driving rod 21 is slidably arranged in the chute 111, and a first chute 211 is arranged on the driving rod 21. It will be appreciated that the dimensions of the drive rod 21 are adapted to the dimensions of the chute 111 such that the drive rod 21 does not shift in the Y-axis direction as it moves within the chute 111 in the X-axis direction.

In an embodiment, the length of the driving rod 21 is greater than the length of the sliding slot 111, and one end of the driving rod 21 protrudes from the supporting component 10, so that an operator can hold the driving rod 21 and push and pull the driving rod 21 to slide in the sliding slot 111.

In another embodiment, a driving device (not shown) is connected to the driving rod 21, and the driving device, such as a cylinder, a motor, etc., drives the driving rod 21 to slide in the sliding groove 111.

The first supporting component 30 comprises a transmission member 31 and a first supporting member 32, the transmission member 31 is arranged corresponding to the first chute 211, the transmission member 31 is arranged in the first movable chute 112 in a sliding manner, one end of the transmission member 31 is in contact with the first chute 211, one end of the transmission member 31 in contact with the first chute 211 is provided with a first inclined surface 311 matched with the first chute 211, the transmission member 31 is also provided with a second chute 312 corresponding to the second movable chute 113, and the first supporting member 32 is arranged corresponding to the second chute 312; the first abutting piece 32 is movably arranged in the second movable groove 113 and abuts against the second chute 312, and a second inclined surface 321 matched with the second chute 312 is arranged at one end of the first abutting piece 32 abutting against the second chute 312. The driving rod 21 drives the transmission piece 31 to move in the first movable groove 112 through the cooperation of the first chute 211 and the first inclined surface 311, and the driving rod 21 drives the first abutting piece 32 to move in the second movable groove 113 through the cooperation of the second chute 312 and the second inclined surface 321 on the transmission piece 31, so that the first abutting piece 32 abuts against or loosens the workpiece 200. When the driving rod 21 is driven by external force to move in the sliding groove 111, the driving rod 21 pushes the first inclined surface 311 on the transmission member 31 through the first chute 211, and further pushes the transmission member 31 to slide in the first movable groove 112. Meanwhile, the transmission piece 31 pushes against the second inclined surface 321 on the first supporting piece 32 through the second inclined groove 312, and further pushes against the first supporting piece 32 to move along the second movable groove 113, so that the first supporting piece 32 is driven to move through the driving rod 21. The end of the first supporting member 32 away from the transmission member 31 may be provided with a bump, a pin, etc., so that the first supporting member 32 supports the workpiece 200.

The working process of the clamping fixture 100 provided by the embodiment of the utility model is approximately as follows: first, a pushing force is applied to the driving rod 21 to push the driving rod 21 to slide along the sliding groove 111, the driving rod 21 drives the driving member 31 to slide in the first movable groove 112, so that the driving member 31 moves away from the driving rod 21, and meanwhile, the driving member 31 drives the first abutting member 32 to slide in the second movable groove 113, so that the first abutting member 32 moves away from the driving member 31. Then, the workpiece 200 is placed on the support assembly 10, and then the driving rod 21, the transmission member 31 and the first abutting member 32 are reset by external force, so that the first abutting member 32 abuts against the workpiece 200, and the workpiece 200 is positioned. After the workpiece 200 is processed, the driving rod 21 is pushed to slide along the chute 111, and the driving member 31 drives the first supporting member 32 to move away from the workpiece 200, so that the workpiece 200 can be removed.

According to the clamping jig 100 provided by the embodiment of the utility model, when clamping or disassembling a workpiece 200, an operator only needs to push and pull the driving rod 21 in the driving assembly 20 to slide along the sliding groove 111, and can drive the transmission member 31 to move along the first movable groove 112 through the first chute 211, and then drive the first abutting member 32 to move along the second movable groove 113 through the second chute 312 on the transmission member 31, so that the first abutting member 32 is convenient to approach or separate from the workpiece 200 positioned on the supporting assembly 10, so as to abut or loosen the workpiece 200, and clamping and disassembling are convenient. Because the auxiliary jig is not required in the process of assembling and disassembling the workpiece 200, the structure of the clamping jig 100 is simplified, the structure of the clamping jig 100 is more compact, and the manufacturing cost of the clamping jig 100 is reduced. In addition, the clamping jig 100 is convenient to assemble and disassemble the workpiece 200, and an operator can easily remove the limitation on the workpiece 200 by pushing the driving assembly 20, so that the operation is simple and convenient.

In some embodiments, referring to fig. 2 and 3, the first supporting component 30 further includes a first elastic member 33 and a second elastic member 34; the first elastic member 33 is disposed in the first movable slot 112, one end of the first elastic member 33 abuts against the driving member 31, the other end abuts against the inner wall of the first movable slot 112, and the first elastic member 33 is used for abutting against the driving member 31, so that the first inclined surface 311 abuts against the first chute 211 of the driving rod 21; the second elastic member 34 is disposed in the second movable slot 113, one end of the second elastic member 34 abuts against the first supporting member 32, the other end abuts against the inner wall of the second movable slot 113, and the second elastic member 34 is configured to push against the first supporting member 32, so that the second inclined surface 321 abuts against the second inclined groove 312 of the transmission member 31. The first elastic member 33 and the second elastic member 34 are, for example, springs or other elastic members. By providing the first elastic member 33 in this manner, the first elastic member 33 can push the transmission member 31 to move toward the driving lever 21 after the driving lever 21 is reset. By providing the second elastic member 34, when the transmission member 31 moves toward the driving rod 21, the second elastic member 34 pushes the first abutting member 32 to move toward the transmission member 31, and thus the workpiece 200 can be automatically abutted.

In some embodiments, referring to fig. 2 and 3, the support assembly 10 is provided with a plurality of first movable slots 112 and a plurality of second movable slots 113, and the plurality of first movable slots 112 and the plurality of second movable slots 113 are in one-to-one correspondence. The driving rod 21 is provided with a plurality of first inclined grooves 211, and the plurality of first inclined grooves 211 are respectively in one-to-one correspondence with the plurality of first movable grooves 112; the first supporting component 30 is provided with a plurality of groups, the transmission members 31 in the plurality of groups of first supporting components 30 are respectively arranged in the first movable grooves 112, and the first supporting members 32 in the plurality of groups of first supporting components 30 are respectively arranged in the second movable grooves 113. It is understood that the first movable groove 112 and the second movable groove 113 are provided in pairs, and the positions and the number of the first movable groove 112 and the second movable groove 113 may be set according to actual needs, as long as the first abutting piece 32 in the second movable groove 113 can abut against and fix the workpiece 200. Thus, by providing a plurality of sets of the first holding members 30, the work 200 can be held and fixed from a plurality of positions, improving the fixing effect.

In an embodiment, two first movable slots 112 and two second movable slots 113 on the support assembly 10 are respectively disposed on two sides of the chute 111, the first supporting assembly 30 is provided with two sets, the driving members 31 in the two sets of first supporting assemblies 30 are respectively disposed in the two first movable slots 112, and the first supporting members 32 in the two sets of first supporting assemblies 30 are respectively disposed in the two second movable slots 113. Thus, the two positions of the workpiece 200 can be fixed, and the fixing stability can be improved.

In some embodiments, referring to fig. 2 and 3, the support assembly 10 is further provided with a third movable slot 114, and the third movable slot 114 is in communication with the chute 111; the driving rod 21 is also provided with a third inclined groove 212; the clamping jig 100 further includes a second supporting component 40, the second supporting component 40 includes a second supporting member 41, the second supporting member 41 is disposed corresponding to the third inclined groove 212, the second supporting member 41 is movably disposed in the third movable groove 114 and abuts against the third inclined groove 212, and a third inclined surface 411 adapted to the third inclined groove 212 is disposed at an end of the second supporting member 41 abutting against the third inclined groove 212; the driving rod 21 drives the second propping member 41 to move in the third movable groove 114 through the cooperation of the third inclined groove 212 and the third inclined surface, so that the second propping member 41 can prop against or release the workpiece 200. When the driving rod 21 is driven by external force to move in the sliding groove 111, the driving rod 21 pushes the third inclined surface 411 on the second supporting member 41 through the third inclined groove 212, and further pushes the second supporting member 41 to move along the third movable groove 114. The end of the second abutting element 41 away from the driving rod 21 may be provided with a bump, a pin, etc., so that the second abutting element 41 abuts against the workpiece 200.

It can be appreciated that the third movable slots 114 on the support assembly 10 may be provided in plural, the second supporting assemblies 40 may be provided in plural, and the number of the second supporting assemblies 40 is consistent with the number of the third movable slots 114. The positions and the number of the third movable grooves 114 may be set according to actual needs as long as the second abutting pieces 41 in the third movable grooves 114 can abut against and fix the work 200.

In an embodiment, two third movable slots 114 on the support assembly 10 are respectively disposed on two sides of the chute 111, two second supporting assemblies 40 are disposed, and second supporting members 41 in the two second supporting assemblies 40 are respectively disposed in the two third movable slots 114, so that two opposite sides of the workpiece 200 can be fixed, and the fixing effect is improved.

In some embodiments, referring to fig. 2 and 3, the second supporting component 40 further includes a third elastic member 42, the third elastic member 42 is disposed in the third movable slot 114, one end of the third elastic member 42 abuts against the second supporting member 41, the other end abuts against the inner wall of the third movable slot 114, and the third elastic member 42 is used for supporting the second supporting member 41 so that the third inclined surface 411 abuts against the third inclined slot 212 of the driving rod 21. The third elastic member 42 is, for example, a spring or other elastic member. By providing the third elastic member 42 in this manner, the second abutting member 41 can be moved toward the driving lever 21 after the driving lever 21 is reset, and the workpiece 200 can be automatically abutted.

In some embodiments, referring to fig. 2 and 4, a plurality of first avoidance holes 122 are formed on a side of the positioning plate 12 near the support assembly 10, the plurality of first avoidance holes 122 respectively correspond to one ends of the first and second propping members 32 and 41 for propping against the workpiece 200, and the first avoidance holes 122 are used for avoiding the first and second propping members 32 and 41, so that one ends of the first and second propping members 32 and 41 for propping against the workpiece 200 pass through the first avoidance holes 122 and position the workpiece 200 in the profiling cavity 121. It can be appreciated that the positioning plate 12 covers the upper side of the support assembly 10, and the first avoidance holes 122 respectively correspond to one ends of the first abutting piece 32 and the second abutting piece 41 for abutting against the workpiece 200, so that the movement of the first abutting piece 32 and the second abutting piece 41 is prevented from being affected by the positioning plate 12. The profiling cavity 121 is matched with the structure of the workpiece 200, and the workpiece 200 can be pre-positioned when the workpiece 200 is placed in the profiling cavity 121, so that the workpiece 200 can be accurately fixed by the first abutting piece 32 and the second abutting piece 41, and the efficiency can be improved. In addition, the positioning plate 12 may also limit the transmission member 31, the first abutting member 32, and the second abutting member 41 in the Z-axis direction.

In some embodiments, referring to fig. 2 and 3, the substrate 11 is further provided with a reset groove 115, and the reset groove 115 is in communication with the chute 111; the driving assembly 20 further includes a fourth elastic member 22, where the fourth elastic member 22 is disposed in the reset groove 115, one end of the fourth elastic member 22 abuts against a sidewall of the reset groove 115, the other end abuts against the driving rod 21, and the fourth elastic member 22 is used for pushing the driving rod 21 to reset. The fourth elastic member 22 is, for example, a spring or other elastic member, and it is understood that the fourth elastic member 22 is disposed along the X-axis, when the driving rod 21 moves in the chute 111 along the positive direction of the X-axis, the driving rod 21 compresses the fourth elastic member 22, and when the driving rod 21 needs to be reset, that is, moves in the chute 111 along the opposite direction of the X-axis, the fourth elastic member 22 gives the driving rod 21 an elastic force along the opposite direction of the X-axis, so that the driving rod 21 can be reset automatically.

In some embodiments, referring to fig. 2 and 3, the clamping fixture 100 further includes a third supporting component 50, the third supporting component 50 includes a supporting member 51 and a positioning needle 52, the supporting member 51 is connected to one end of the driving rod 21 and protrudes from the substrate 11, the positioning needle 52 is connected to a side of the supporting member 51 facing the first supporting component, and the positioning needle 52 is used for being inserted into the workpiece 200 to position the workpiece 200. When the driving rod 21 moves in the chute 111 along the X-axis direction, the supporting member 51 and the positioning needle 52 also move along the X-axis direction along with the driving rod 21, so that the workpiece 200 can be placed on the supporting assembly 10, and after the workpiece 200 is placed, the driving rod 21 moves along the opposite direction of the X-axis, so as to drive the supporting member 51 and the positioning needle 52 to move along the opposite direction of the X-axis, so that the positioning needle 52 can be inserted into the workpiece 200, and further fix the workpiece 200.

In some embodiments, referring to fig. 2 and 4, the positioning plate 12 is further provided with a second avoidance hole 123, where the second avoidance hole 123 corresponds to the positioning needle 52, and is used for the positioning needle 52 to penetrate to avoid the positioning needle 52. Thus, by providing the second avoidance hole 123, the positioning needle 52 can pass through the second avoidance hole 123 to position the workpiece 200, so that the positioning plate 12 is prevented from influencing the use of the positioning needle 52.

In some embodiments, referring to fig. 2, the support assembly 10 further includes a plurality of positioning pins 13, wherein the plurality of positioning pins 13 are connected to a side of the positioning plate 12 facing away from the support assembly 10, and the plurality of positioning pins 13 are configured to be inserted into the workpiece 200 to position the workpiece 200. The positions and the number of the positioning pins 13 can be set according to practical requirements, for example, the positioning pins are arranged around the profiling cavity 121, and when the workpiece 200 is placed in the profiling cavity 121, the positioning pins 13 are inserted into the workpiece 200, so that the purpose of positioning the workpiece 200 on the XY plane is achieved.

The working process of the clamping fixture 100 provided by the embodiment of the utility model is approximately as follows: firstly, pushing force is applied to the driving rod 21 to push the driving rod 21 to slide in the sliding groove 111 along the X-axis direction, the driving rod 21 drives the transmission piece 31 to slide in the first movable groove 112, so that the transmission piece 31 moves away from the driving rod 21, and the transmission piece 31 drives the first abutting piece 32 to slide in the second movable groove 113, so that the first abutting piece 32 moves away from the transmission piece 31; meanwhile, the driving rod 21 drives the second abutting piece 41 to slide in the third movable groove 114, so that the second abutting piece 41 moves away from the driving rod 21; the driving rod 21 also moves the supporting member 51 and the positioning needle 52. Thus, the first abutting piece 32, the second abutting piece 41 and the positioning needle 52 can be controlled to move simultaneously by the driving rod 21. After the driving rod 21 moves along the X axis, one end of the first abutting element 32, the second abutting element 41 and the positioning needle 52, which are used for fixing the workpiece 200, moves away from the profiling cavity 121, at this time, the workpiece 200 can be placed in the profiling cavity 121, and the workpiece 200 is pre-positioned through the profiling cavity 121. Then, the driving rod 21 is released or the driving rod 21 is pulled to move in the opposite direction of the X axis, at this time, the fourth elastic member 22 gives the driving rod 21 elastic force to push the driving rod 21 to move in the opposite direction of the X axis, the third elastic member 42 pushes the second supporting member 41 to move toward the driving rod 21, so that the second supporting member 41 abuts against the workpiece 200, the second elastic member 34 pushes the driving member 31 to move toward the driving rod 21, and the first elastic member 33 pushes the first supporting member 32 to move toward the driving member 31, so that the first supporting member 32 abuts against the workpiece 200. Thus, the workpiece 200 can be positioned from a plurality of directions, and the positioning effect is good.

When the workpiece 200 needs to be disassembled, the operator only needs to push the driving rod 21 again to separate the first abutting piece 32, the second abutting piece 41 and the positioning needle 52 from the workpiece 200, so that the workpiece 200 can be taken out from the profiling cavity 121.

In the clamping jig 100 provided by the embodiment of the utility model, when clamping or disassembling the workpiece 200, an operator only needs to push the driving rod 21 to slide, and the driving rod 21 simultaneously moves the first abutting part 32, the second abutting part 41 and the positioning needle 52 in a direction away from the workpiece 200, so that the workpiece 200 can be easily placed in the profiling cavity 121 or taken out from the profiling cavity 121. Because the auxiliary jig is not required in the process of assembling and disassembling the workpiece 200, the structure of the clamping jig 100 is simplified, and the manufacturing cost of the clamping jig 100 is reduced. In addition, the clamping jig 100 is convenient to assemble and disassemble the workpiece 200, and an operator can easily remove the limitation on the workpiece 200 by pushing the driving rod 21, so that the operation is simple and convenient.

In addition, under the action of the second elastic member 34, the third elastic member 42 and the fourth elastic member 22, the first supporting member 32, the second supporting member 41 and the positioning needle 52 elastically abut against the workpiece 200, so that the first supporting member 32, the second supporting member 41 and the positioning needle 52 are prevented from rigidly contacting the workpiece 200, and the purpose of protecting the workpiece 200 is achieved.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Finally, it should be noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.

Claims (10)

1. A clamping tool for fixed work piece, its characterized in that includes:

the support assembly comprises a base plate and a positioning plate, the positioning plate is arranged on the upper side of the base plate, the positioning plate is provided with a profiling cavity, the profiling cavity is used for positioning the workpiece, the base plate is provided with a sliding groove, a first movable groove and a second movable groove, the first movable groove is communicated with the sliding groove, the second movable groove is communicated with the first movable groove, and the extending direction of the second movable groove is parallel to the extending direction of the sliding groove;

the driving assembly comprises a driving rod which is arranged in the chute in a sliding way, and a first chute is arranged on the driving rod; and

The first supporting component comprises a transmission part and a first supporting part, the transmission part and the first chute are correspondingly arranged, the transmission part is slidably arranged in the first movable groove and is in butt joint with the first chute, one end of the transmission part, which is in butt joint with the first chute, is provided with a first inclined plane matched with the first chute, the transmission part is also provided with a second chute corresponding to the second movable groove, the first supporting part and the second chute are correspondingly arranged, the first supporting part is movably arranged in the first movable groove and is in butt joint with the second chute, and one end of the first supporting part, which is in butt joint with the second chute, is provided with a second inclined plane matched with the second chute; wherein,

the driving rod drives the transmission piece to move in the first movable groove through the cooperation of the first chute and the first inclined plane, and drives the first supporting piece to move in the second movable groove through the cooperation of the second chute and the second inclined plane on the transmission piece, so that the first supporting piece supports or loosens the workpiece.

2. The clamping jig of claim 1, wherein,

the first supporting component further comprises a first elastic piece and a second elastic piece;

the first elastic piece is arranged in the first movable groove, one end of the first elastic piece is abutted against the transmission piece, the other end of the first elastic piece is abutted against the inner wall of the first movable groove, and the first elastic piece is used for abutting against the transmission piece so that the first inclined plane is abutted against the first inclined groove of the driving rod;

the second elastic piece is arranged in the second movable groove, one end of the second elastic piece is abutted to the first abutting piece, the other end of the second elastic piece is abutted to the inner wall of the second movable groove, and the second elastic piece is used for abutting against the first abutting piece so that the second inclined plane is abutted to the second inclined groove of the transmission piece.

3. The clamping jig of claim 1, wherein,

the support assembly is provided with a plurality of first movable grooves and a plurality of second movable grooves, and the first movable grooves and the second movable grooves are in one-to-one correspondence;

the driving rod is provided with a plurality of first inclined grooves which are respectively in one-to-one correspondence with the first movable grooves;

the first supporting components are provided with a plurality of groups, the transmission parts in the first supporting components are respectively arranged in the first movable grooves, and the first supporting parts in the first supporting components are respectively arranged in the second movable grooves.

4. The clamping jig of claim 1, wherein,

the support component is also provided with a third movable groove which is communicated with the chute;

a third chute is also formed on the driving rod;

the clamping jig further comprises a second supporting component, the second supporting component comprises a second supporting piece, the second supporting piece is arranged corresponding to the third inclined groove, the second supporting piece is movably arranged in the third movable groove and is in butt joint with the third inclined groove, and a third inclined surface matched with the third inclined groove is arranged at one end, in butt joint with the third inclined groove, of the second supporting piece; wherein,

the driving rod drives the second abutting piece to move in the third movable groove through the cooperation of the third chute and the third inclined plane, so that the second abutting piece abuts against or loosens the workpiece.

5. The clamping jig of claim 4, wherein,

the second supporting component further comprises a third elastic piece, the third elastic piece is arranged in the third movable groove, one end of the third elastic piece is abutted against the second supporting piece, the other end of the third elastic piece is abutted against the inner wall of the third movable groove, and the third elastic piece is used for supporting and pushing the second supporting piece so that the third inclined plane is abutted against the third chute of the driving rod.

6. The clamping jig of claim 4, wherein,

the locating plate is close to one side of the supporting component and is provided with a plurality of first avoidance holes, the first avoidance holes are respectively corresponding to one ends of the first propping piece and the second propping piece, which are used for propping against the workpiece, the first avoidance holes are used for avoiding the first propping piece and the second propping piece, so that the first propping piece and the second propping piece are used for propping against one end of the workpiece to penetrate through the first avoidance holes, and the workpiece in the profiling cavity is located.

7. The clamping jig of claim 1, wherein,

the base plate is also provided with a reset groove which is communicated with the sliding groove;

the driving assembly further comprises a fourth elastic piece, the fourth elastic piece is arranged in the reset groove, one end of the fourth elastic piece is abutted to the side wall of the reset groove, the other end of the fourth elastic piece is abutted to the driving rod, and the fourth elastic piece is used for pushing the driving rod to reset.

8. The clamping jig of claim 1, wherein,

the clamping jig further comprises a third supporting component, the third supporting component comprises a supporting piece and a positioning needle, the supporting piece is connected to one end of the driving rod and protrudes out of the base plate, the positioning needle is connected to one side, facing the first supporting component, of the supporting piece, and the positioning needle is used for being inserted into the workpiece to position the workpiece.

9. The clamping jig of claim 8, wherein,

the positioning plate is also provided with a second avoidance hole, and the second avoidance hole corresponds to the positioning needle and is used for the positioning needle to penetrate through so as to avoid the positioning needle.

10. The clamping jig of claim 9, wherein,

the support assembly further comprises a plurality of positioning pins, the positioning pins are connected to one side, away from the support assembly, of the positioning plate, and the positioning pins are used for being inserted into the workpiece to position the workpiece.