CN219275191U

CN219275191U - Positioning device for workpiece machining

Info

Publication number: CN219275191U
Application number: CN202320747570.1U
Authority: CN
Inventors: 吴海勇
Original assignee: Rexam Auto Parts Shanghai Co ltd
Current assignee: Rexam Auto Parts Shanghai Co ltd
Priority date: 2023-04-06
Filing date: 2023-04-06
Publication date: 2023-06-30
Anticipated expiration: 2033-04-06

Abstract

The application discloses a locating device for workpiece machining for a work piece is located, the work piece has a portion of waiting to process and a head, wait to process the portion by the head extends and forms, the work piece still has a screw hole, the screw hole form in the head and/or wait to process the portion, locating device for workpiece machining includes a locating component, the locating component includes a setting element and a installation component, the setting element be installed in the installation component and by the surface extension predetermined length of installation component, the week side of setting element form with the screw thread of screw hole adaptation, the work piece pass through the head first with the setting element dock and keep the butt in the form screw thread of installation component in the setting element, in order to fix a position the installation in the locating component. The utility model can accurately position the workpieces and limit the gesture of the workpieces when being positioned, so that the machined parts of each workpiece are kept consistent, and the machining precision is improved.

Description

Positioning device for workpiece machining

Technical Field

The utility model relates to the technical field of workpiece processing, in particular to positioning equipment for workpiece processing.

Background

In order to ensure that the workpiece remains in the correct machining position during machining, it is often necessary to position the workpiece using positioning equipment. Most of the existing positioning devices use two clamps to move towards each other to clamp a workpiece, so as to position the workpiece at a processing position.

While some work-pieces are designed with fixed positional requirements between their parts, such as automotive EPB nuts, the angle of rotation of the threads of which has predetermined requirements with respect to the machining location at the end of the nut remote from the head. It is obvious that the existing positioning mode is only to fix the workpiece at the processing position, the workpiece cannot be accurately positioned, and the workpiece with special position degree requirements between the positions is not applicable.

Therefore, when the partial positioning device is used, other devices, such as a sensor, are additionally arranged, the placement position of the workpiece is detected by the sensor, and the workpiece is automatically or manually adjusted according to the feedback of the sensor, so that the workpiece is accurately positioned, but in this way, the whole device has complicated structure, high cost and low practicability.

Disclosure of Invention

One advantage of the utility model is that the positioning device for workpiece processing is provided, the positioning device can accurately position the workpieces and limit the postures of the workpieces when positioned, so that the processed parts of each workpiece are consistent, the special design of the workpieces is met, and the processing precision is improved.

One advantage of the present utility model is that it provides a positioning apparatus for workpiece processing that is simple in structure and low in equipment cost.

To achieve at least one of the above advantages, the present utility model provides a positioning apparatus for workpiece processing for positioning a workpiece having a portion to be processed and a head portion, the portion to be processed being formed by extension of the head portion, the workpiece further having a threaded hole formed in the head portion and/or the portion to be processed, the positioning apparatus for workpiece processing including a positioning member including:

a positioning member;

the positioning piece is arranged on the mounting assembly and extends for a preset length from the surface of the mounting assembly, threads matched with the threaded holes are formed on the periphery of the positioning piece, and the workpiece is in butt joint with the positioning piece through the head and is in a mode of being kept in butt joint with the mounting assembly, so that the workpiece is positioned and mounted on the positioning component.

According to an embodiment of the present utility model, the mounting assembly includes a mounting base, the mounting base has a mounting structure, the positioning member has a plugging portion and a positioning portion, the positioning portion is formed by extending from the plugging portion, the positioning portion can be in threaded engagement with the workpiece, the plugging portion is sized to be adapted to the mounting structure, and the positioning member is detachably mounted to the mounting base.

According to an embodiment of the present utility model, the cross-sectional area of the plugging portion is polygonal, the shape of the mounting structure is matched with the shape of the plugging portion, and the positioning member can be plugged into the mounting structure in a predetermined posture.

According to an embodiment of the present utility model, the mounting base further has at least one insertion structure intersecting with and communicating with the mounting structure, and the insertion structure cooperates with a first fastener to lock the positioning member to the mounting base.

According to an embodiment of the utility model, the mounting structure comprises a mounting hole for mounting the positioning member and a passage penetrating the mounting seat in a direction in which the positioning member is inserted into the mounting hole, the passage extends from an edge of the mounting seat toward the mounting hole and communicates with the mounting hole, the insertion structure communicates with the passage, the mounting seat has a first portion and a second portion forming the passage, the mounting hole and the insertion structure, the first portion and the second portion are capable of being elastically deformed to adjust a cross-sectional area of the mounting structure, and the insertion structure is capable of being screwed with the first fastener to press any one of the first portion and the second portion with the first fastener to reduce the cross-sectional area of the mounting structure so that the first portion and the second portion are both held in abutment against the insertion portion.

According to an embodiment of the present utility model, the mounting structure further includes an extension groove penetrating the mounting seat in a direction in which the positioning member is inserted into the mounting hole, the first portion and the second portion form the extension groove, the extension groove is located in a direction in which the channel extends toward the mounting hole, and the extension groove is in communication with the mounting hole, and the extension groove can be synchronously increased when the first portion and the second portion are elastically deformed at will to increase a size of the mounting hole.

According to an embodiment of the present utility model, the mounting assembly further includes an abutment member having a through hole corresponding to the mounting hole, the through hole being sized to fit to the positioning member, the head portion being held in abutment with the abutment member when the workpiece is positioned on the positioning member assembled with the mounting seat, the abutment member being configured to separate the workpiece from the mounting seat.

According to an embodiment of the present utility model, the positioning apparatus for workpiece processing further includes a fixing member located at a station adjacent to the positioning member, the fixing member including a fixing piece and a driving piece, the fixing piece being mounted to the driving piece, the fixing piece being capable of being driven by the driving piece to be press-connected to the head.

According to an embodiment of the present utility model, an end portion of the fixing member away from the driving member forms a card interface, and a size of the card interface is adapted to the portion to be processed and smaller than a size of the head portion.

According to an embodiment of the present utility model, the fixing member further includes a connecting member, the fixing member is pivotally mounted on the connecting member, the connecting member is disposed in a middle portion of the fixing member, and the driving member can drive the fixing member to rotate relative to the connecting member to approach the positioning member so as to be pressed against the workpiece by the fixing member.

Drawings

Fig. 1 shows a schematic structure of a positioning device for workpiece processing according to the present utility model.

Fig. 2 shows a structural cross-section of a positioning device for workpiece processing according to the utility model.

Fig. 3 shows an exploded view of the structure of the positioning device for workpiece processing according to the present utility model.

Fig. 4 shows a schematic partial structure of a positioning device for workpiece processing according to the present utility model.

Fig. 5 shows a schematic structural view of an embodiment of the positioning apparatus for workpiece processing according to the present utility model.

Fig. 6 shows a structural exploded view of an embodiment of the positioning apparatus for workpiece processing according to the present utility model.

Detailed Description

The following description is presented to enable one of ordinary skill in the art to make and use the utility model. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art. The basic principles of the utility model defined in the following description may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the utility model.

It will be appreciated by those skilled in the art that in the present disclosure, the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. refer to an orientation or positional relationship based on that shown in the drawings, which is merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore the above terms should not be construed as limiting the present utility model.

It will be understood that the terms "a" and "an" should be interpreted as referring to "at least one" or "one or more," i.e., in one embodiment, the number of elements may be one, while in another embodiment, the number of elements may be plural, and the term "a" should not be interpreted as limiting the number.

Referring to fig. 1 to 2, a positioning apparatus for workpiece processing according to a preferred embodiment of the present utility model will be described in detail below, the positioning apparatus for workpiece processing being used for positioning a workpiece 90, the workpiece 90 having a portion to be processed 91 and a head 92, the portion to be processed 91 being formed by extending the head 92, the workpiece 90 further having a threaded hole 901, the threaded hole 901 being formed in the head 92 and/or the portion to be processed 91.

It should be noted that, when the workpiece 90 is processed, the processed portion of the portion to be processed 91 needs to be determined according to the rotation angle of the screw hole 901.

The positioning apparatus for workpiece processing includes a positioning member 10, the positioning member 10 including a positioning piece 11 and a mounting assembly 12, the positioning piece 11 being mounted to the mounting assembly 12 and extending a predetermined length from a surface of the mounting assembly 12. The positioning piece 11 is threaded on the circumferential side thereof in a manner of being matched with the threaded hole 901, and the workpiece 90 is first abutted with the positioning piece 11 through the head 92 and is kept abutted against the mounting assembly 12, so as to be positioned and mounted on the positioning member 10.

In this way, each workpiece 90 can be assembled to the positioning member 10 in a constant posture, so that the machined part of the to-be-machined portion 91 is always consistent, thereby meeting the special design of the workpiece 90 and improving the machining precision.

Referring to fig. 3, the mounting assembly 12 includes a mounting base 121, the mounting base 121 has a mounting structure 1211, the positioning member 11 has a plugging portion 111 and a positioning portion 112, the positioning portion 112 is formed by extending from the plugging portion 111, the positioning portion 112 is capable of being in threaded engagement with the workpiece 90, and the plugging portion 111 is sized to fit the mounting structure 1211. The positioning member 11 is detachably mounted to the mounting base 121 so as to be replaced when the positioning member 11 is damaged.

In one embodiment, the mounting structure 1211 is implemented as a screw hole, and the positioning member 11 is mounted to the mounting base 121 or removed from the mounting base 121 by being turned in or out of the screw hole.

Preferably, the cross-sectional area of the insertion portion 111 is polygonal, the shape of the mounting structure 1211 is matched with the shape of the insertion portion 111, and the positioning member 11 can be inserted into the mounting structure 1211 in a predetermined posture, thereby defining the posture of the workpiece 90 mounted on the positioning member 10.

Referring to fig. 3 to 4, the mounting base 121 further has at least one insertion structure 1212, and the insertion structure 1212 intersects the mounting structure 1211 and communicates with the mounting structure 1211. The plug structure 1212 cooperates with a first fastener to lock the retainer 11 to the mount 121, so that the retainer 11 can be securely mounted.

In another embodiment, when the first fastening member is implemented as a bolt, the mounting structure 1211 is implemented as a socket, the insertion structure 1212 is implemented as a screw hole located in a radial direction of the socket, and the bolt is screwed to the mounting seat 121 by turning into the screw hole and abuts against the positioning member 11 in the socket together with an inner wall of the socket, thereby locking the positioning member 11.

Referring to fig. 5 to 6, in another modified embodiment, when the first fastener is implemented as a plug, the insertion portion 111 forms a hole 11101A in a radial direction, the mounting structure 1211 is implemented as a first insertion hole, and the insertion structure 1212 is implemented as a second insertion hole or a slot, which is located in a radial direction of the first insertion hole. When the positioning member 11 is inserted into the first jack, the hole 11101A corresponds to the second jack or the clamping groove, and the plug is clamped in the second jack or the clamping groove and inserted into the hole 11101A, so as to lock the positioning member 11 to the mounting seat 121.

Referring to fig. 3 to 4, the mounting structure 1211 preferably includes a mounting hole 121101, and the mounting hole 121101 is used to mount the positioning member 11.

The mounting structure 1211 includes a channel 121102, and the channel 121102 penetrates the mounting base 121 in a direction in which the positioning member 11 is inserted into the mounting hole 121101. The channel 121102 extends from the edge of the mounting base 121 toward the mounting hole 121101 and communicates with the mounting hole 121101, and the plug structure 1212 communicates with the channel 121102.

The mounting block 121 has a first portion 1213 and a second portion 1214, the first portion 1213 and the second portion 1214 forming the channel 121102, the mounting hole 121101 and the plug structure 1212. The first portion 1213 and the second portion 1214 are optionally capable of being elastically deformed to adjust the cross-sectional area of the mounting structure 1211 to allow the plug section 111 to be inserted into the mounting hole 121101.

The plug structure 1212 is capable of locking the securing member 11 to the mounting seat 121 by threadably engaging the first fastener to compress either of the first portion 1213 and the second portion 1214 with the first fastener to reduce the cross-sectional area of the mounting structure 1211 such that both the first portion 1213 and the second portion 1214 remain in abutment with the plug portion 111.

It should be noted that, by adjusting the cross-sectional area of the mounting structure 1211 to meet the requirement of assembling the positioning members 11 with different sizes of the plugging portion 111, positioning of the workpieces 90 with different sizes is achieved, so that the workpieces 90 with different sizes can be processed.

Further, the mounting structure 1211 further includes an extension groove 121103, and the extension groove 121103 extends through the mounting seat 121 in the direction in which the positioning member 11 is inserted into the mounting hole 121101. The first portion 1213 and the second portion 1214 form the extension groove 121103, the extension groove 121103 is located in a direction in which the passage 121102 extends toward the mounting hole 121101, and the extension groove 121103 communicates with the mounting hole 121101. The extension groove 121103 can be increased simultaneously when the first portion 1213 and the second portion 1214 are arbitrarily elastically deformed to increase the size of the mounting hole 121101, so that the first portion 1213 can be deformed to a greater extent with respect to the second portion 1214.

Preferably, the end of the extension groove 121103 remote from the mounting hole 121101 has a predetermined size to allow the first portion 1213 to be deformed to a greater extent relative to the second portion 1214 while preventing excessive deformation from causing cracking or even cracking of the mounting seat 121.

Referring to fig. 4, preferably, two insertion structures 1212 are provided, one of which 1212 communicates with the passage 121102 and the other insertion structure 1212 communicates with the extension groove 121103. In this way, the two plug structures 1212 are respectively screwed with the two second fasteners to fasten the first portion 1213 and the second portion 1214 against the positioning member 11, so as to improve the connection firmness between the positioning member 11 and the mounting base 121.

Referring to fig. 3, the mounting assembly 12 further includes an abutment 122, the abutment 122 has a through hole 12201, the through hole 12201 corresponds to the mounting hole 121101, and the through hole 12201 is sized to fit the positioning member 11. The head 92 is held in abutment with the abutment 122 when the workpiece 90 is positioned in the positioning member 11 assembled with the mount 121. The abutment 122 is used to separate the workpiece 90 from the mounting base 121 to prevent any damage to either the workpiece 90 or the mounting base 121.

It should be noted that the abutment 122 is detachably mounted on the mounting base 121 by a second fastener, so that the abutment 122 is replaced when damaged, so as to prevent the depth of the threaded connection between the workpiece 90 and the positioning member 11 caused by the damage of the abutment 122 from being difficult to control, and the positioning accuracy of the workpiece 90 is affected.

Preferably, the abutment 122 is implemented as a washer.

Referring to fig. 1 to 3, the positioning apparatus for workpiece processing further includes a fixing member 20, and the fixing member 20 is located at a station adjacent to the positioning member 10. The fixing member 20 is used for keeping the workpiece 90 in press contact with the abutment 122, so as to prevent the workpiece 90 from moving along the axial direction of the positioning piece 11 to move in a direction tending to separate from the positioning piece 11, and ensure that the portion 91 to be processed is stably fixed on the positioning member 10, so as to facilitate processing of the workpiece 90.

The fixing member 20 includes a fixing piece 21 and a driving piece 22, the fixing piece 21 is mounted on the driving piece 22, and the fixing piece 21 can be driven by the driving piece 22 to be pressed against the head 92 so as to firmly mount the workpiece 90 on the positioning member 10.

Preferably, an end of the fixing member 21 remote from the driving member 22 forms a card interface 2101, and the size of the card interface 2101 is adapted to the to-be-processed portion 91 and smaller than the size of the head 92. In this way, the fixture 21 can be engaged with the portion to be machined 91 and brought into contact with the head 92, so that the fixture 21 can uniformly apply force to the head 92, thereby ensuring that the workpiece 90 is firmly attached to the positioning member 10.

The driving member 22 includes a moving portion 221 and a driving portion 222, the moving portion 221 is mounted on the driving portion 222, an end of the moving portion 221 away from the driving portion 222 is connected to an end of the fixing member 21 away from the card interface 2101, and the moving portion 221 can be driven by the driving portion 222 to move so as to drive the fixing member 21 to press against the workpiece 90.

Preferably, the driving member 22 is implemented as an oil cylinder or a gas cylinder.

Further, the fixing member 20 further includes a connecting member 23, the fixing member 21 is pivotally mounted to the connecting member 23, and the connecting member 23 is disposed at a middle portion of the fixing member 21. The driving part 22 can drive the fixing part 21 to rotate relative to the connecting part 23 to approach the positioning member 10 so as to be pressed against the workpiece 90 by the fixing part 21.

A working method of a positioning device for workpiece processing is presented, comprising the following steps:

the workpiece 90 is screwed to the positioning member 11 in a manner that the head 92 is first sleeved on the positioning member 11, and the head 92 is kept abutting against the mounting assembly 12, so that the workpiece 90 is positioned and arranged on the positioning member 10.

Preferably, the working method of the positioning device for workpiece processing further comprises the following steps: by detaching the positioning member 11 from the mounting base 121, the positioning member 11 is replaced.

Preferably, the working method of the positioning device for workpiece processing further comprises the following steps: by detaching the abutment 122 from the mounting seat 121, the abutment 122 is replaced.

Preferably, the working method of the positioning device for workpiece processing further comprises the following steps: the fixing member 21 is driven by the driving member 22 to move so as to abut against the head 92, so as to firmly mount the workpiece 90 to the positioning member 10.

Preferably, the working method of the positioning device for workpiece processing further comprises the following steps: the driving part 22 drives the fixing part 21 to rotate relative to the connecting part 23, so that one end of the fixing part 21 provided with the clamping interface 2101 rotates to be close to the positioning member 10, and the workpiece 90 is pressed and connected to the positioning member 10 by the fixing part 21.

It will be appreciated by persons skilled in the art that the embodiments of the utility model described above and shown in the drawings are by way of example only and are not limiting. The advantages of the present utility model have been fully and effectively realized. The functional and structural principles of the present utility model have been shown and described in the examples and embodiments of the utility model may be modified or practiced without departing from the principles described.

Claims

1. Positioning apparatus for workpiece processing for positioning a workpiece having a portion to be processed and a head portion, the portion to be processed being formed by extension of the head portion, the workpiece further having a threaded hole formed in the head portion and/or the portion to be processed, characterized in that the positioning apparatus for workpiece processing comprises a positioning member comprising:

a positioning member;

2. The positioning apparatus for workpiece processing of claim 1, wherein the mounting assembly includes a mounting base having a mounting structure, the positioning member having a socket portion and a positioning portion, the positioning portion being formed by the socket portion extending, the positioning portion being threadably engaged with the workpiece, the socket portion being sized to fit the mounting structure, the positioning member being detachably mounted to the mounting base.

3. The positioning apparatus for workpiece processing according to claim 2, wherein the cross-sectional area of the insertion portion is polygonal, the shape of the mounting structure is matched with the shape of the insertion portion, and the positioning member can be inserted into the mounting structure in a predetermined posture.

4. A positioning apparatus for workpiece processing as recited in claim 2 or 3, wherein said mounting block further has at least one mating structure intersecting and communicating with said mounting structure, said mating structure being adapted to cooperate with a first fastener to lock said positioning member to said mounting block.

5. The positioning apparatus for workpiece processing according to claim 4, wherein the mounting structure includes a mounting hole for mounting the positioning member and a passage penetrating the mounting seat in a direction in which the positioning member is inserted into the mounting hole, the passage extending from an edge of the mounting seat toward the mounting hole and communicating with the mounting hole, the insertion structure communicating with the passage, the mounting seat having a first portion and a second portion forming the passage, the mounting hole and the insertion structure, the first portion and the second portion being arbitrarily elastically deformable to adjust a cross-sectional area of the mounting structure, the insertion structure being capable of being screwed with the first fastener to press either one of the first portion and the second portion with the first fastener to reduce the cross-sectional area of the mounting structure so that both the first portion and the second portion are held in abutment against the insertion portion.

6. The positioning apparatus for workpiece processing according to claim 5, wherein the mounting structure further includes an extending groove penetrating the mounting seat in a direction in which the positioning member is inserted into the mounting hole, the first portion and the second portion form the extending groove, the extending groove is located in a direction in which the passage extends toward the mounting hole, and the extending groove communicates with the mounting hole, the extending groove being capable of being synchronously increased when the first portion and the second portion are arbitrarily elastically deformed to increase a size of the mounting hole.

7. The positioning apparatus for workpiece processing of claim 6, wherein the mounting assembly further comprises an abutment having a through hole corresponding to the mounting hole, the through hole being sized to fit the positioning member, the head portion remaining in abutment with the abutment when the workpiece is positioned in the positioning member assembled with the mounting seat, the abutment being for spacing the workpiece from the mounting seat.

8. The positioning apparatus for workpiece processing of claim 1, further comprising a fixing member located at a station adjacent to the positioning member, the fixing member comprising a fixing element and a driving element, the fixing element being mounted to the driving element, the fixing element being capable of being driven by the driving element to be in press-contact with the head.

9. The positioning apparatus for workpiece processing according to claim 8, wherein an end portion of the fixing member remote from the driving member forms a card interface, and a size of the card interface is adapted to the portion to be processed and smaller than a size of the head portion.

10. A positioning device as set forth in claim 8 or 9 wherein said fixing member further includes a link member, said fixing member being pivotally mounted to said link member, said link member being disposed in a middle portion of said fixing member, said driving member being capable of driving said fixing member to rotate relative to said link member adjacent said positioning member for crimping to said workpiece by said fixing member.