CN116748567A - Clamp for spot facing - Google Patents

Clamp for spot facing Download PDF

Info

Publication number
CN116748567A
CN116748567A CN202310767772.7A CN202310767772A CN116748567A CN 116748567 A CN116748567 A CN 116748567A CN 202310767772 A CN202310767772 A CN 202310767772A CN 116748567 A CN116748567 A CN 116748567A
Authority
CN
China
Prior art keywords
hole
clamping
clamp
spot
clamping piece
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310767772.7A
Other languages
Chinese (zh)
Inventor
史团乐
冯伟卫
寇景玲
李艳军
张庆锋
李新淼
陶兴伟
绳慧杰
王文超
曹意
付晓东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henan Aerospace Precision Machining Co Ltd
Original Assignee
Henan Aerospace Precision Machining Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Henan Aerospace Precision Machining Co Ltd filed Critical Henan Aerospace Precision Machining Co Ltd
Priority to CN202310767772.7A priority Critical patent/CN116748567A/en
Publication of CN116748567A publication Critical patent/CN116748567A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B47/00Constructional features of components specially designed for boring or drilling machines; Accessories therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means
    • B23Q3/062Work-clamping means adapted for holding workpieces having a special form or being made from a special material

Abstract

The invention relates to the field of tool fixtures, in particular to a spot facing fixture. The clamp for spot facing comprises a clamp main body and a clamping piece, wherein a placing surface for placing a workpiece to be machined is arranged on the clamping piece, a clamping surface is arranged on the clamp main body, a machining hole or a machining groove which penetrates through the clamp main body and is used for a spot facing cutter to pass through is further formed in the clamp main body, and an adjusting mechanism used for controlling the clamping piece to move towards the clamping surface to clamp the workpiece to be machined and controlling the clamping piece to be far away from the clamping surface to detach the workpiece to be machined is arranged on the clamp main body. The clamping piece and the clamp body are respectively provided with a placing surface and a clamping surface which are matched with each other so as to clamp a workpiece to be processed; because the processing hole or the processing groove is formed in the clamp main body, clamping of a workpiece can be completed, and processing of a spot facing is not affected, and in the prior art, the problem that the product quality is affected because parts such as a supporting plate screw and the like are not clamped and fixed during spot facing processing is solved.

Description

Clamp for spot facing
Technical Field
The invention relates to the field of tool fixtures, in particular to a spot facing fixture.
Background
The countersink is to process cylindrical countersink, conical countersink, boss end face, etc. on the machined hole to ensure the perpendicularity between the hole orifice and the hole center line, so that the parts connected to the hole are in correct positions and reliable connection. That is, the spot facing is a secondary process performed on an existing hole, and it is necessary to align the spot facing tool with the axis of the existing hole during the process.
In the prior art, when the double-lug support plate screw and the angle support plate screw are countersunk, a placing part is often fixedly arranged on a countersunk machine tool, a placing groove is arranged on the placing part to locate the part to be machined, when countersunk machining is needed, the part to be machined is placed in the placing groove, and then a countersunk cutter is lowered to machine.
In the above technical scheme, because the part to be processed is smaller, and the hole to be processed occupies a larger area, if the part to be processed is fixed, the operation of the spot facing cutter can be influenced, therefore, the part to be processed can only be positioned without clamping and fixing, however, in spot facing processing, the part to be processed can shift in the placing groove or one end of the part to be processed is tilted due to the force application of the spot facing cutter, and then the spot facing size is inconsistent in the processing process, so that the problems of unsmooth assembly and matching of products, inconsistent appearance and the like are caused, and the quality of the products is further influenced.
Disclosure of Invention
The invention aims to provide a clamp for spot facing, which is used for solving the problem that in the prior art, the machining precision is poor and the product quality is affected because parts such as a supporting plate screw and the like are not clamped and fixed during spot facing machining.
In order to achieve the above object, the countersink clamp of the present invention adopts the following technical scheme:
the utility model provides a clamp for spot facing, includes the anchor clamps main part and installs the clamping piece on the anchor clamps main part, is provided with the face of placing that is used for placing the work piece of waiting to process on the clamping piece, is provided with the clamping face that is used for with placing the face cooperation in order to press from both sides tightly the work piece of waiting to process on the anchor clamps main part, still is provided with the processing hole or the processing groove that runs through the anchor clamps main part and be used for supplying the spot facing cutter to pass on the anchor clamps main part, is provided with the adjustment mechanism who is used for controlling the clamping piece to move in order to press from both sides tightly the work piece of waiting to process towards the clamping face and control the clamping piece to keep away from the clamping face in order to lift off the work piece of waiting to process.
The beneficial effects of the technical scheme are that: the invention provides a clamp for spot facing, which is characterized in that a clamp main body and a clamp are arranged to clamp a workpiece to be machined, a placement surface and a clamping surface which are matched with each other are respectively arranged on the clamp main body and the clamp main body to clamp the workpiece to be machined, and the clamping effect is good; the clamping piece is controlled by arranging the adjusting mechanism, so that the clamping piece and the clamp main body can clamp a workpiece to be processed and can also discharge the workpiece to be processed, and the clamp is convenient to reuse; because the processing hole or the processing groove is formed in the clamp main body, clamping of a workpiece can be completed, and processing of a spot facing is not affected, and in the prior art, the problem that the product quality is affected because parts such as a supporting plate screw and the like are not clamped and fixed during spot facing processing is solved.
Further, the clamp body is provided with a guide structure for guiding movement of the clamping member toward and away from the clamping surface.
The beneficial effects of the technical scheme are that: the clamping piece is guided by the guide structure, so that the position of the clamping piece is conveniently kept in the moving process.
Further, the clamp body comprises a connecting plate and a connecting block which are arranged in parallel, the clamping surface and the machining hole or the machining groove are formed in the connecting plate, the guide structure is a guide rod arranged between the connecting plate and the connecting block, and the clamping piece is provided with a guide hole for the guide rod to pass through.
The beneficial effects of the technical scheme are that: through setting up connecting block and connecting plate, the guide arm of being convenient for connects, and set up the guiding hole on the clamping piece and be convenient for in the removal in-process direction cooperation.
Further, one end of the guide rod is in threaded fit connection with the connecting block, and the other end of the guide rod is positioned in a through hole formed in the connecting plate.
The beneficial effects of the technical scheme are that: the guide rod is prevented from being carried out due to friction force in the process of relative movement of the clamping piece and the clamp main body.
Further, a spring is sleeved outside the guide rod, and two ends of the spring are propped between the connecting plate and the clamping piece.
The beneficial effects of the technical scheme are that: the spring is convenient for separating the clamping piece from the clamp main body after machining, and the workpiece is convenient to take down.
Further, the guide hole is a step hole, the step hole comprises a large-diameter hole and a small-diameter hole, the spring is arranged in the large-diameter hole, and the length of the spring in a natural state is larger than the depth of the large-diameter hole.
The beneficial effects of the technical scheme are that: the spring is convenient to set, and the spring is kept in a compressed state all the time, so that the force is convenient to apply.
Further, the adjusting mechanism comprises an adjusting shaft which is connected to the clamp main body in a threaded mode, a driving hole is formed in the side face, facing the clamp main body, of the clamping piece, a driving head which stretches into the driving hole is arranged at the end portion of the adjusting shaft, and the driving head is used for pushing and matching with the hole wall of the driving hole along with rotation of the adjusting shaft so as to push the clamping piece to move towards the clamping face.
The beneficial effects of the technical scheme are that: the position of the clamping piece is convenient to adjust by arranging the driving head to be matched with the driving hole.
Further, the driving head is cylindrical and is arranged eccentrically with respect to the axis of the adjustment shaft.
The beneficial effects of the technical scheme are that: the driving head arranged eccentrically is convenient for driving the clamping piece to move in the rotating process, and the rotation motion of the adjusting shaft is convenient to be converted into the linear motion of the clamping piece.
Further, a placing groove for placing and positioning the workpiece to be processed is formed in the placing surface.
The beneficial effects of the technical scheme are that: the workpiece to be processed is positioned by arranging the placing groove, so that deviation is avoided.
Further, the guide rod comprises a guide rod thread section and a polished rod section, the guide rod thread section is connected with the connecting block in a threaded fit mode, the polished rod section penetrates through the guide hole, the polished rod section is an equal-diameter rod, and a force application groove used for being matched with the screwing tool is formed in the end face of the polished rod section.
The beneficial effects of the technical scheme are that: the force application groove is arranged to facilitate the application of moment and the installation and the disassembly of the guide rod.
Drawings
FIG. 1 is a perspective view of example 1 of a countersink jig (with a workpiece to be machined) according to the present invention;
FIG. 2 is another perspective view of embodiment 1 of the countersink jig of the present invention;
FIG. 3 is a sectional view taken along the adjustment axis of example 1 of the countersink jig of the present invention;
FIG. 4 is a cross-sectional view along the guide bar of example 1 of the jig for spot facing in the present invention;
FIG. 5 is a perspective view of a jig body in embodiment 1 of a jig for spot facing according to the present invention;
FIG. 6 is a perspective view of a clamping member in embodiment 1 of a spot-facing jig according to the present invention;
FIG. 7 is a sectional view of a clamping member in embodiment 1 of a spot-facing jig according to the present invention;
fig. 8 is a front view of the adjusting shaft in embodiment 1 of the spot-facing jig of the present invention.
In the figure: 1. a clamping member; 11. a large diameter hole; 12. a small diameter hole; 13. a drive hole; 14. placing the groove; 2. a clamp body; 21. a connecting plate; 22. a connecting block; 23. a side plate; 24. a processing groove; 3. a guide rod; 31. a guide rod thread section; 32. a polish rod section; 4. a spring; 5. an adjusting shaft; 51. a drive head; 52. driving the thread segments; 53. adjusting the force application section; 6. and (5) a workpiece to be processed.
Detailed Description
The features and capabilities of the present invention are described in further detail below in connection with the examples.
In example 1 of the spot facing jig according to the present invention:
in this embodiment, set up the clamp surface and place the face on anchor clamps main part and clamping piece, be provided with on placing the face and place the recess, be provided with the processing groove that runs through the anchor clamps main part on the clamp surface, treat the processing work piece and press from both sides tightly through the setting of placing recess and processing groove, and the processing groove can supply the spot facing cutter to pass, and can also treat the processing work piece and play the centre gripping effect. And then solve among the prior art because parts such as layer board screw do not carry out the machining precision that clamping and fixing led to when spot facing machining poor, and then influence product quality's problem.
As shown in fig. 1 and 2, the spot facing jig in this embodiment includes a jig body 2 and a clamping member 1 mounted on the jig body 2, the jig body 2 including a guide structure and an adjusting mechanism, wherein the guide structure is provided on the jig body 2 in a penetrating manner, and the clamping member 1 is provided on the guide structure in a covering manner. The clamping member 1 and the clamp body 2 are relatively movable along a guide structure. The clamping piece 1 is provided with a placing surface for placing a workpiece 6 to be processed, and the clamp body 2 is provided with a clamping surface for being matched with the placing surface to clamp the workpiece 6 to be processed. In this embodiment, the workpiece to be processed is a pallet screw.
As shown in fig. 3, 4 and 5, the jig main body 2 includes a connection plate 21 and a connection block 22 arranged in opposite parallel, and a side plate 23 connecting ends of the connection plate and the connection block 22 is provided between the connection plate 21 and the connection block 22. The guide structure is a cylindrical guide rod 3, and the guide rod 3 passes through the connecting plate 21 and the connecting block 22 of the clamp body 2. The clamping surface is arranged on the inner side surface of the connecting plate 21, a processing groove 24 penetrating through the clamp main body 2 and used for a spot facing cutter to pass through is further arranged on the connecting plate 21, the processing groove 24 is U-shaped, and an opening of the U-shape is arranged back to the side plate. The side plate 23 of the clamp body 2 is further provided with a screw hole through which the adjusting mechanism passes and is screw-fitted.
As shown in fig. 4, the guide rods 3 have two and the two guide rods 3 have the same structure, each guide rod 3 comprises a guide rod threaded section 31 and a polish rod section 32, wherein the guide rod threaded section 31 is in threaded fit connection with the connecting block 22, and the polish rod section 32 passes through the clamping piece 1. The polished rod section 32 is an equal diameter rod, and after the assembly is completed, the end face of the polished rod section 32 is flush with the outer side face of the connecting plate 21 of the clamp main body 2, and a force application groove used for being matched with a screwing tool is formed in the end face of the polished rod section 32, and in the embodiment, the force application groove is a straight groove and can be matched with a screwdriver to complete the disassembly of the guide rod 3. When the clamping member 1 needs to be replaced, the guide rod 3 can be detached for replacing the clamping member 1.
As shown in fig. 4, 6 and 7, the clamping member 1 is sleeved outside the guide rod 3, a placement surface is provided on a surface of the clamping member 1 opposite to the clamping surface on the clamp body 2, and a placement groove 14 for placing a workpiece to be processed is provided on the placement surface. In this embodiment, the placement groove 14 is a U-shaped groove, and the width of the U-shaped groove in the opening direction gradually increases to adapt to the parts to be processed, and of course, for different parts, the placement groove also needs to be set to different shapes. The maximum width of the placement groove 14 is larger than the width of the processing groove 24 so that the processing groove 24 can clamp the workpiece 6 to be processed.
The inside of clamping piece 1 is provided with the guiding hole that runs through clamping piece 1, and the guiding hole is the step hole in this embodiment, and the minor diameter hole 12 on the step hole is used for with guide arm 3 guided fit, is provided with the elastic component in the major diameter hole 11 on the step hole, and the elastic component is spring 4 in this embodiment, and the both ends of spring 4 butt respectively on the clamping face of step structure and anchor clamps main part 2 and supply arm 3 to pass. The spring 4 is furthermore longer in its natural state than the depth of the large-diameter hole 11 so that the spring 4 can generate a force which moves the clamping part 1 and the clamping fixture away from each other and so that the degree of clamping is known by feedback of the spring force when clamping is performed. After the countersink of the workpiece is completed, the clamp body 2 and the clamping piece 1 are more easily separated under the action of the spring 4. It should be noted that, in this embodiment, the clamping member 1 is sleeved outside the guide rod 3, the placement groove 14 is a machined groove with a fixed size, and when the guide rod 3 is screwed, the guide rod 3 and the clamp body 2 are separated, and then different clamping members 1 can be replaced to adapt to different workpieces.
As shown in fig. 3 and 8, the clamp 1 has a drive hole 13 provided on a surface corresponding to the connection plate 21 of the clamp body 2, and a screw hole provided on the side plate 23 of the clamp body 2. The adjusting structure comprises an adjusting shaft 5 which is connected to the clamp main body 2 in a threaded manner, a driving head 51 which stretches into the driving hole 13 is arranged at the end part of the adjusting shaft 5, and the driving head 51 is used for pushing and matching with the hole wall of the driving hole 13 along with the rotation of the adjusting shaft 5 so as to push the clamping piece 1 to move towards the clamping surface. The adjusting shaft 5 further comprises a driving thread section 52 fixedly connected to the driving head 51, which is adapted to be screwed with the clamp body 2, and which is cylindrical with the driving head 51 in this embodiment and is arranged eccentrically with respect to the axis of the driving thread section 52. The diameter of the drive hole 13 is larger than the diameter of the drive head 51 so that the drive head 51 can move the clamping member 1. An adjusting and forcing section 53 having a key-shaped cross section is provided at the end of the adjusting shaft 5 remote from the driving head 51, and can be forced and screwed by cooperating with a tool.
When the spot facing operation is required, the workpiece is placed in the placing groove 14, the adjusting force applying part 53 of the adjusting shaft 5 is screwed, so that the driving thread section 52 of the adjusting shaft 5 rotates relative to the clamp main body 2, and at this time, the clamping piece 1 moves upwards along the guide rod 3 under the action of the driving head 51 and the driving hole 13 due to the eccentric arrangement of the driving head 51 until the workpiece is tightly attached to the clamping surface, and the fixing is completed. After the spot facing operation is completed, the adjusting force applying portion 53 of the adjusting shaft 5 is reversely screwed, at this time, the clamping member 1 can be retracted relative to the clamp body 2, under the action of the elastic member, the clamping member 1 is retracted, at this time, the clamping member 1 and the clamp body 2 no longer clamp the workpiece, and the workpiece can be taken out.
In example 2 of the spot facing jig of the present invention: the present embodiment proposes a new arrangement form for the arrangement of the urging groove. Unlike embodiment 1, the force application groove in this embodiment is a cross-shaped groove or an inner hexagonal groove, and is screwed by a cross-shaped screwdriver and an inner hexagonal wrench. Of course, in other embodiments, instead of providing the force application groove on the end face of the polish rod segment, a force application post with a hexagonal cross section may be provided on the end of the polish rod segment.
In example 3 of the spot facing jig of the present invention: for the arrangement of the placement groove, this embodiment proposes a new arrangement. Unlike embodiment 1, the placement groove in this embodiment is provided on the jig main body, but of course, in other embodiments, the placement groove may not be provided.
In example 4 of the spot facing jig according to the present invention: for the setting of the driving head, this embodiment proposes a new arrangement form, unlike embodiment 1, in this embodiment, the driving head is a conical head, and correspondingly, the driving hole is an inclined plane matched with the driving head, and along with screwing of the adjusting shaft, the conical head and the inclined plane in the driving hole can slide in a matched manner, and under the matching of the two surfaces, the clamping piece can move up and down.
In example 5 of the spot facing jig of the present invention: the present embodiment proposes a new arrangement for the setting of the adjusting mechanism. Unlike embodiment 1, in this embodiment, the adjusting mechanism is a support plate fixed on the clamp body and located below the clamp body, and a bolt with an axial direction consistent with the direction of the guide rod is fixed on the support plate, and the clamp body is further jacked up by screwing the bolt, so that the clamp body and the clamp body are continuously clamped.
In example 6 of the spot facing jig according to the present invention: with respect to the arrangement of the guide holes, this embodiment proposes a new arrangement. Unlike embodiment 1, the guide hole in this embodiment is a hole of equal diameter, and the spring is disposed between the placement surface and the clamping surface.
In example 7 of the spot facing jig according to the present invention: with respect to the arrangement of the springs, this embodiment proposes a new arrangement. Unlike embodiment 1, the clamping member in this embodiment is provided with a receiving hole for receiving the spring, the receiving hole being provided separately from the guide hole.
In example 8 of the spot facing jig according to the present invention: aiming at the arrangement of the guide rod, the embodiment provides a new arrangement form, in the embodiment, the connecting block of the clamp body is provided with a step hole, the guide rod is arranged as a step shaft matched with the step hole, and at the moment, the connecting block of the guide rod is welded and connected.
In example 9 of the spot facing jig according to the present invention: for the setting of the clamp body, this embodiment proposes a new arrangement form, unlike embodiment 1, in this embodiment, the clamp body is set to be L-shaped, that is, no connecting block is set, and at this time, the guide rod is fixedly connected with the connecting plate.
In example 10 of the spot facing jig of the present invention: with respect to the arrangement of the guide structure, this embodiment proposes a new arrangement. Unlike embodiment 1, the guiding structure in this embodiment is a groove provided on the clamp body, and the clamping member is provided with a protrusion adapted to the groove.
In example 11 of the spot facing jig of the present invention: in view of the arrangement of the jig main body, this embodiment proposes a new arrangement form, unlike embodiment 1 in which a processing hole is provided on the connection plate of the jig main body.
The above description is only a preferred embodiment of the present invention, and the patent protection scope of the present invention is defined by the claims, and all equivalent structural changes made by the specification and the drawings of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a anchor clamps for spot facing which characterized in that: including anchor clamps main part (2) and install clamping piece (1) on anchor clamps main part (2), be provided with on clamping piece (1) and be used for placing the face of placing of waiting to process work piece (6), be provided with on anchor clamps main part (2) and be used for with place the face cooperation in order to press from both sides the clamping face of waiting to process work piece (6), still be provided with on anchor clamps main part (2) and run through anchor clamps main part (2) and be used for supplying the processing hole or processing groove (24) that the spot facing cutter passed, be provided with on anchor clamps main part (2) and be used for controlling clamping piece (1) to move in order to press from both sides tight work piece (6) of waiting to process towards the clamping face and control clamping piece (1) keep away from the clamping face in order to lift off the adjustment mechanism of waiting to process work piece (6).
2. The spot-facing jig according to claim 1, wherein: the clamp body (2) is provided with a guide structure for guiding movement of the clamping piece (1) towards and away from the clamping surface.
3. The spot-facing jig according to claim 2, wherein: the clamp body (2) comprises a connecting plate (21) and a connecting block (22) which are arranged in parallel, the clamping surface and a machining hole or machining groove (24) are formed in the connecting plate (21), the guide structure is a guide rod (3) arranged between the connecting plate (21) and the connecting block (22), and a guide hole for the guide rod (3) to pass through is formed in the clamping piece (1).
4. A spot facing jig according to claim 3, wherein: one end of the guide rod (3) is in threaded fit connection with the connecting block (22), and the other end of the guide rod (3) is positioned in a through hole formed in the connecting plate (21).
5. The spot-facing jig according to claim 3 or 4, wherein: the outside of the guide rod (3) is sleeved with a spring (4), and two ends of the spring (4) are propped between the connecting plate (21) and the clamping piece (1).
6. The spot-facing jig according to claim 5, wherein: the guide hole is a step hole, the step hole comprises a large-diameter hole (11) and a small-diameter hole (12), the spring (4) is arranged in the large-diameter hole (11), and the length of the spring (4) in a natural state is larger than the depth of the large-diameter hole (11).
7. The spot-facing jig according to any one of claims 1 to 4, wherein: the adjusting mechanism comprises an adjusting shaft (5) which is connected to the clamp main body (2) through threads, a driving hole (13) is formed in the side face, facing the clamp main body (2), of the clamping piece (1), a driving head (51) which stretches into the driving hole (13) is arranged at the end portion of the adjusting shaft (5), and the driving head (51) is used for pushing and matching with the hole wall of the driving hole (13) along with rotation of the adjusting shaft (5) so as to push the clamping piece (1) to move towards the clamping surface.
8. The spot-facing jig according to claim 7, wherein: the drive head (51) is cylindrical and is arranged eccentrically with respect to the axis of the adjustment shaft (5).
9. The spot-facing jig according to any one of claims 1 to 4, wherein: the placing surface is provided with a placing groove (14) for placing and positioning a workpiece (6) to be processed.
10. The spot-facing jig according to claim 4, wherein: the guide rod (3) comprises a guide rod threaded section (31) and a polished rod section (32), the guide rod threaded section (31) is connected with the connecting block (22) in a threaded fit mode, the polished rod section (32) penetrates through the guide hole, the polished rod section (32) is an equal-diameter rod, and a force application groove used for being matched with a screwing tool is formed in the end face of the polished rod section (32).
CN202310767772.7A 2023-06-27 2023-06-27 Clamp for spot facing Pending CN116748567A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310767772.7A CN116748567A (en) 2023-06-27 2023-06-27 Clamp for spot facing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310767772.7A CN116748567A (en) 2023-06-27 2023-06-27 Clamp for spot facing

Publications (1)

Publication Number Publication Date
CN116748567A true CN116748567A (en) 2023-09-15

Family

ID=87960653

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310767772.7A Pending CN116748567A (en) 2023-06-27 2023-06-27 Clamp for spot facing

Country Status (1)

Country Link
CN (1) CN116748567A (en)

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