CN218592701U - Puller jig for grinding machine - Google Patents
Puller jig for grinding machine Download PDFInfo
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- CN218592701U CN218592701U CN202222805409.3U CN202222805409U CN218592701U CN 218592701 U CN218592701 U CN 218592701U CN 202222805409 U CN202222805409 U CN 202222805409U CN 218592701 U CN218592701 U CN 218592701U
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- plate
- grinding wheel
- puller
- jig
- connecting rod
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The utility model discloses a draw horse tool for abrasive machine draws horse tool includes: the middle part of the supporting plate is provided with a first threaded hole which penetrates through the supporting plate in the thickness direction of the supporting plate; the outer peripheral wall of the screw-in rod is provided with a first thread section, the first thread section is in threaded fit with the first threaded hole, the top of the screw-in rod is provided with a connecting hole suitable for being matched with a wrench, and the bottom of the screw-in rod is provided with a butting part suitable for being matched with a flange plate of a grinding machine; two jack catch assemblies, the upper end of two jack catch assemblies respectively with the backup pad on the length direction rotatable and movably link to each other, the lower extreme of two jack catch assemblies is equipped with respectively and is suitable for the emery wheel joint complex draw-in groove with the abrasive machine. According to the utility model discloses a draw horse tool for abrasive machine, the usable draw horse tool of technician takes out the emery wheel, is favorable to reducing the risk that damages the emery wheel or damage the pivot, is favorable to reducing the potential safety hazard.
Description
Technical Field
The utility model belongs to the technical field of the tool of drawing horse and specifically relates to a tool of drawing horse for abrasive machine is related to.
Background
In the related art, when a technician opens the grinding wheel machine to disassemble the grinding wheel, the replacement space between the grinding wheel and the grinding wheel protection cover is small, so that the technician is inconvenient to take out the grinding wheel, the risk of damaging the grinding wheel or the rotating shaft exists, and the potential safety hazard is large.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a draw horse tool for abrasive machine, the usable draw horse tool of technician takes out the emery wheel, is favorable to reducing the risk that damages the emery wheel or damage the pivot, is favorable to reducing the potential safety hazard.
According to the utility model discloses a draw horse tool for abrasive machine, include: the middle part of the support plate is provided with a first threaded hole which penetrates through the support plate in the thickness direction of the support plate; the outer peripheral wall of the screw-in rod is provided with a first thread section, the first thread section is in threaded fit with the first threaded hole, the top of the screw-in rod is provided with a connecting hole suitable for being matched with a wrench, and the bottom of the screw-in rod is provided with a stop part suitable for being matched with a flange plate of the grinder; the upper ends of the two jaw assemblies are respectively rotatably and movably connected with the two ends of the supporting plate in the length direction, and the lower ends of the two jaw assemblies are respectively provided with a clamping groove suitable for being clamped and matched with a grinding wheel of a grinding machine.
According to the utility model discloses a draw horse tool for abrasive machine, through setting up the backup pad, precession pole and jack catch subassembly, when the technician utilizes to draw the horse tool to take out the emery wheel, because jack catch subassembly links to each other with the backup pad is rotatable and movably, the technician can be earlier gone into the edge of emery wheel with the draw-in groove card of a jack catch subassembly, then rotate the edge of emery wheel with the draw-in groove card of another jack catch subassembly again with the emery wheel rotation certain angle, and make the precession pole be located the ring flange directly over, utilize the rotatory precession pole of spanner in order to make to hold portion downstream to the ring flange at last, draw the horse tool to pull out the emery wheel under the effect of the reaction force of ring flange, thereby, be favorable to reducing the risk that damages the emery wheel or damage pivot, be favorable to reducing the potential safety hazard.
The utility model discloses an in some embodiments, both ends on the length direction of backup pad are equipped with the oblong hole respectively, the oblong hole is in run through on the thickness direction of backup pad the backup pad, the jack catch subassembly includes connecting rod and jack catch, the connecting rod is worn to locate in the oblong hole, the cross section of connecting rod forms to circularly, deviating from of connecting rod the bottom of emery wheel is equipped with the backstop piece, the jack catch with the bottom of connecting rod links to each other, the jack catch is injectd the draw-in groove.
In some embodiments of the present invention, the pawl comprises: the grinding wheel comprises a first plate, a second plate and a third plate, wherein the first plate and the second plate are arranged in parallel, the third plate is connected to one ends, far away from the central axis of the grinding wheel, of the first plate and the second plate, the clamping grooves are defined among the first plate, the second plate and the third plate, the first plate is provided with a second threaded hole, and a second threaded section which is suitable for being matched with the second threaded hole is formed in the peripheral wall of the connecting rod.
In some embodiments of the present invention, the first plate, the second plate and the third plate are a unitary piece, and the thickness of the first plate, the second plate and the third plate is 4mm to 6mm.
In some embodiments of the present invention, the bottom of the connecting rod is provided with a locking pad, and the cross-sectional area of the locking pad is larger than the cross-sectional area of the precession rod.
In some embodiments of the present invention, the bottom wall of the locking pad is provided with a first flexible pad, and the thickness of the first flexible pad is 1mm to 3mm.
In some embodiments of the present invention, a second flexible pad is adhered to each of the first plate, the second plate and the third plate, and the thickness of the second flexible pad is 1mm to 3mm.
In some embodiments of the present invention, the length of the second plate is L, the diameter of the grinding wheel is D, and L and D satisfy: L/D is more than or equal to 0.2 and less than or equal to 0.3.
In some embodiments of the present invention, the distance between the first plate and the second plate is h, the thickness of the grinding wheel is t, and h and t satisfy: t/h is more than or equal to 0.6 and less than or equal to 0.7.
In some embodiments of the present invention, the abutting portion is formed in a conical shape, the flange is provided with an annular wall adapted to be fitted with the abutting portion, and the abutting portion coincides with a central axis of the annular wall.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a schematic perspective view of a puller fixture according to an embodiment of the present invention;
fig. 2 is a schematic front view of a puller fixture according to an embodiment of the present invention;
fig. 3 is a schematic top view of a puller jig according to an embodiment of the present invention;
fig. 4 is a schematic view of a puller jig according to an embodiment of the present invention when detaching a grinding wheel of a grinder;
fig. 5 is a schematic bottom view of a puller jig according to an embodiment of the present invention for detaching a grinding wheel of a grinder.
Reference numerals:
a puller jig 100;
a support plate 10; a first threaded hole 11; an oblong hole 12;
a screw-in lever 20; the first thread segments 21; a connection hole 22; a stopper 23;
a jaw assembly 30; a connecting rod 31; a stopper block 311; the second thread segments 312; a locking spacer 313; the jaws 32; a first plate 321; the second threaded hole 3211; a second plate 322; a third plate 323; a card slot 324;
a first flexible mat 40;
a second flexible pad 50;
a grinder 200;
a grinding wheel protection cover 201; a removal port 2011;
a grinding wheel 202; a flange plate 203; the annular wall 2031; a shaft 204.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize the applicability of other processes and/or the use of other materials.
A puller jig 100 for a grinder 200 according to an embodiment of the present invention is described below with reference to fig. 1 to 5. Referring to fig. 4 and 5, the grinder 200 includes: grinding wheel protection cover 201, emery wheel 202 and pivot 204 all are located grinding wheel protection cover 201, and emery wheel 202 is worn to locate by pivot 204 and rotates in order to drive emery wheel 202, and the top of grinding wheel protection cover 201 is seted up and is suitable for the dismantlement mouth 2011 with emery wheel 202 takes out, and the top of pivot 204 is equipped with ring flange 203, and the central axis of ring flange 203 coincides with the central axis of pivot 204.
Referring to fig. 1 to 3, a puller jig 100 for a grinder 200 according to an embodiment of the present invention may include: a support plate 10, a precession rod 20 and a jaw assembly 30.
Referring to fig. 1 to 3, a first threaded hole 11 is formed in the middle of the support plate 10, the first threaded hole 11 penetrates through the support plate 10 in the thickness direction of the support plate 10, a first threaded section 21 is formed in the outer peripheral wall of the screw rod 20, the first threaded section 21 is in threaded fit with the first threaded hole 11, and a connection hole 22 suitable for being matched with a wrench is formed in the top of the screw rod 20.
Referring to fig. 1 to 3, the bottom of the screw-in rod 20 is provided with a stopping portion 23 adapted to be engaged with the flange 203 of the grinder 200, the upper ends of the two jaw assemblies 30 are rotatably and movably connected to the two ends of the support plate 10 in the length direction, and the lower ends of the two jaw assemblies 30 are provided with engaging grooves 324 adapted to be engaged with the grinding wheel 202 of the grinder 200. It will be appreciated that by rotatably and movably coupling the jaw assembly 30 to the support plate 10, the position and angle of the jaw assembly 30 relative to the support plate 10 may be adjusted, thereby facilitating a technician to snap the pockets 324 of the jaw assembly 30 into the edge of the grinding wheel 202.
In actual production, the inventors found that, in a grinding machine for chamfering a silicon wafer, a grinding wheel is a reproducible grinding wheel, a precise part such as a machining groove is provided on the outer periphery of the grinding wheel, and the space for replacing the grinding wheel is narrow, and for example, as shown in fig. 5, the minimum distance Q between the grinding wheel and a grinding wheel protective cover is about 18mm in the left-right direction, the space is narrow, and the grinding wheel is inconvenient to replace, and there is a risk of damaging the machining groove of the grinding wheel or the rotating shaft during replacement.
In view of this, according to the utility model discloses a draw horse tool 100 for abrasive machine 200, through setting up backup pad 10, precession pole 20 and jaw assembly 30, when the technician utilizes draw horse tool 100 to take out emery wheel 202, because jaw assembly 30 links to each other with backup pad 10 is rotatable and movably, the technician can block the edge of emery wheel 202 into with the draw-in groove 324 card of a jaw assembly 30 earlier, then rotate emery wheel 202 certain angle and block the edge of emery wheel 202 into with the draw-in groove 324 card of another jaw assembly 30 again, and make precession pole 20 be located the ring flange 203 directly over, utilize the rotatory precession pole 20 of spanner at last so that stop portion 23 moves down to ring flange 203, draw horse tool 100 to pull out emery wheel 202 under the effect of the reaction force of ring flange 203, thereby be favorable to reducing the risk of haring emery wheel 202 or haring pivot 204, be favorable to reducing the potential safety hazard.
In some embodiments of the present invention, as shown in fig. 1 to fig. 3, two ends of the supporting plate 10 in the length direction are respectively provided with an oblong hole 12, it should be noted that the oblong hole may also be called a kidney-shaped hole, the oblong hole 12 penetrates through the supporting plate 10 in the thickness direction of the supporting plate 10, the jaw assembly 30 includes a connecting rod 31 and a jaw 32, the connecting rod 31 is inserted into the oblong hole 12, the cross section of the connecting rod 31 is formed into a circular shape, in other words, as shown in fig. 2, the connecting rod 31 is a round rod, the bottom of the connecting rod 31 deviating from the grinding wheel 202 is provided with a stop block 311, the cross section of the stop block 311 is larger than the cross section of the connecting rod 31, the jaw 32 is connected to the bottom of the connecting rod 31, and the jaw 32 defines the clamping groove 324.
For example, as shown in fig. 3, the length W of the oblong hole 12 may be 30mm, the radius of the circular arcs at the left and right ends of the oblong hole 12 may be 5mm, and the radius of the cross section of the connecting rod 31 may be 5mm, whereby the range of rotation and movement of the connecting rod 31 with respect to the support plate 10 may be increased, and the connecting rod 31 may not be separated from the support plate 10.
It can be understood that, by providing the oblong hole 12 on the support plate 10, the connecting rod 31 is inserted into the oblong hole 12, so as to facilitate the rotatable and movable connection between the support plate 10 and the jaw assembly 30, and the structure is simple and the production cost is low. Of course, the utility model discloses not be limited to this, the ascending both ends of length direction of backup pad 10 also can set up the round hole, and the diameter of round hole is greater than the diameter of connecting rod 31, and the cross-sectional area of backstop piece 311 is greater than the cross-sectional area of round hole, as long as realize that connecting rod 31 is rotatable and portable continuous with backup pad 10 can.
In some embodiments of the present invention, and as shown with reference to fig. 1-3, pawl 32 comprises: the grinding wheel comprises a first plate 321, a second plate 322 and a third plate 323, wherein the first plate 321 and the second plate 322 are arranged in parallel, the third plate 323 is connected to one ends, far away from the central axis of the grinding wheel 202, of the first plate 321 and the second plate 322, a clamping groove 324 is defined between the first plate 321, the second plate 322 and the third plate 323, the first plate 321 is provided with a second threaded hole 3211, and the outer peripheral wall of the connecting rod 31 is provided with a second threaded section 312 suitable for being matched with the second threaded hole 3211. It can be understood that, through the threaded engagement of the second threaded section 312 and the second threaded hole 3211, after the clamping jaw 32 is clamped into the edge of the grinding wheel 202, the connecting rod 31 can be rotated to make the connecting rod 31 abut against the top wall of the grinding wheel 202 to clamp the grinding wheel 202, so that the grinding wheel 202 can be reliably fixed, which is beneficial to reducing damage to the grinding wheel 202 during the disassembly process.
In some embodiments of the present invention, as shown in fig. 1-3, first plate 321, second plate 322 and third plate 323 are an integrated piece, it can be understood that the structure of the integrated piece can not only ensure the structure of first plate 321, second plate 322 and third plate 323, and performance stability, and facilitate molding, and is simple to manufacture, but also save redundant assembly parts and connection processes, greatly improve the assembly efficiency of first plate 321, second plate 322 and third plate 323, ensure the reliability of connection of first plate 321, second plate 322 and third plate 323, moreover, the overall strength and stability of the integrally formed structure are higher, the assembly is more convenient, and the service life is longer.
Referring to FIGS. 1-3, the first plate 321, the second plate 322, and the third plate 323 have a thickness of 4mm to 6mm. For example, the thickness m of the first plate 321, the second plate 322, and the third plate 323 may be 4mm, 4.5mm, 5mm, 5.5mm, 6mm, or the like, respectively. It can be understood that, by making the thicknesses of the first plate 321, the second plate 322 and the third plate 323 be 4mm to 6mm, on one hand, the thicknesses of the first plate 321, the second plate 322 and the third plate 323 are not too large, so that the clamping jaws 32 can be clamped into the grinding wheel 202 conveniently, and on the other hand, the thicknesses of the first plate 321, the second plate 322 and the third plate 323 are not too small, so that the structural strength of the clamping jaws 32 can be ensured favorably.
In some embodiments of the present invention, referring to fig. 1-3, the bottom of connecting rod 31 is provided with a locking pad 313, and the cross-sectional area of locking pad 313 is greater than the cross-sectional area of precession rod 20. For example, the cross section of the locking pad 313 may be formed in a rectangular shape. It can be understood that when the connecting rod 31 is rotated to lock the grinding wheel 202, the locking pad 313 is in abutting fit with the grinding wheel 202, so that the fit area of the locking pad 313 and the grinding wheel 202 can be increased, which is beneficial to realizing the reliability of clamping the grinding wheel 202 by the connecting rod 31.
In some embodiments of the present invention, referring to fig. 1-3, the bottom wall of the locking pad 313 is provided with a first flexible pad 40, optionally, the first flexible pad 40 may be a rubber pad or a silicone pad, and the thickness of the first flexible pad 40 is 1mm-3mm. For example, the thickness of the first flexible mat 40 may take 1mm, 1.5mm, 2mm, 2.5mm, 3mm, or the like. It will be appreciated that by providing the first compliant pad 40 on the bottom wall of the locking pad 313, a compliant contact between the locking pad 313 and the grinding wheel 202 is achieved, which provides better protection for the grinding wheel 202.
In some embodiments of the present invention, referring to fig. 1-3, the first plate 321, the second plate 322, and the third plate 323 are all adhered with the second flexible pad 50, and the thickness of the second flexible pad 50 is 1mm-3mm. For example, the second flexible pad 50 is stuck in the blocking slot 324, and the thickness of the second flexible pad 50 may be 1mm, 1.5mm, 2mm, 2.5mm, 3mm, or the like. It can be understood that the second flexible pad 50 is adhered to the first plate 321, the second plate 322 and the third plate 323, so that the precision parts such as the machining groove of the grinding wheel 202 can be effectively protected, the protection of the grinding wheel 202 can be further improved, and the grinding wheel 202 is a renewable resource, so that the production cost can be reduced.
In some embodiments of the present invention, referring to fig. 3-5, the length of the second plate 322 is L, the diameter of the grinding wheel 202 is D, and L and D satisfy: L/D is more than or equal to 0.2 and less than or equal to 0.3. It can be understood that by making L, D satisfy: L/D is more than or equal to 0.2 and less than or equal to 0.3, so that on one hand, the L/D is not too small, the reliable matching of the clamping jaw 32 and the grinding wheel 202 is ensured, on the other hand, the L/D is not too large, the material consumption of the clamping jaw 32 is reduced, and the manufacturing cost of the clamping jaw 32 is reduced. For example, the length L of the first plate 321 and the second plate 322 are both 50mm, and the diameter D of the grinding wheel 202 is 202mm, although the present invention is not limited thereto, the length L of the first plate 321 and the second plate 322 can be adaptively adjusted according to the diameter D of the grinding wheel 202, as long as it is ensured that L and D satisfy: L/D is more than or equal to 0.2 and less than or equal to 0.3.
In some embodiments of the present invention, referring to fig. 2, the distance between the first plate 321 and the second plate 322 is h, the thickness of the grinding wheel 202 is t, and h and t satisfy: t/h is more than or equal to 0.6 and less than or equal to 0.7. It can be understood that by making h, t satisfy: t/h is not less than 0.6 and not more than 0.7, so that on one hand, t/h can be ensured not to be too small, thereby facilitating the reduction of the numerical value of the distance h between the first plate 321 and the second plate 322, further being beneficial to the reduction of the motion stroke of the grinding wheel 202 locked by the connecting rod 31, and on the other hand, t/h can be ensured not to be too large, thereby being beneficial to the reduction of the material consumption of the clamping jaw 32 and the reduction of the manufacturing cost of the clamping jaw 32. For example, the distance h between the first plate 321 and the second plate 322 is 30mm, and the thickness t of the grinding wheel 202 is 20mm, although the utility model is not limited thereto, the distance h between the first plate 321 and the second plate 322 can be adjusted according to the thickness t adaptability of the grinding wheel 202, as long as it is ensured that h and t satisfy: t/h is more than or equal to 0.6 and less than or equal to 0.7.
In some embodiments of the present invention, referring to fig. 2, the abutting portion 23 is formed in a conical shape, the flange plate 203 is provided with an annular wall 2031 adapted to cooperate with the abutting portion 23, and the abutting portion 23 coincides with the central axis of the annular wall 2031. It can be understood that, by forming the abutting portion 23 in a conical shape, the contact area between the abutting portion 23 and the annular wall 2031 is reduced, so as to facilitate the rotation of the screw-in rod 20 relative to the flange plate 203 for the extraction of the grinding wheel 202 by the puller jig 100.
For example, in a specific example of the present invention, the technician removing the grinding wheel 202 by using the puller jig 100 may include the following steps, S1: one of the claws 32 is caught in the edge of the grinding wheel 202, and then the corresponding connecting rod 31 is rotated to cause the locking pad 313 to lock one end of the grinding wheel 202, and then the support plate 10 is caused to straddle over the grinding wheel 202 with the center axes of the precession rod 20, the abutment portion 23 and the flange plate 203 being located on the same straight line; s2: after the grinding wheel 202 is rotated by a certain angle, the clamping groove 324 of the other clamping jaw 32 is clamped into the other end of the grinding wheel 202, and then the corresponding connecting rod 31 is rotated to enable the locking cushion block 313 to lock the other end of the grinding wheel 202; s3: utilize the rotatory precession pole 20 of spanner so that to hold off portion 23 and hold up in ring flange 203, draw horse tool 100 and pull out emery wheel 202 under the effect of the reaction force of ring flange 203, therefore, be favorable to reducing the risk of damaging emery wheel 202 or damaging pivot 204, be favorable to reducing the potential safety hazard, simultaneously, first cushion 40 and second cushion 50 can play the guard action to emery wheel 202, be favorable to guaranteeing that emery wheel 202 does not hinder when the atress reaches precision positions such as processing groove.
Other configurations and operations of the puller jig 100 according to the embodiment of the present invention are known to those skilled in the art and will not be described in detail herein.
In the description of the present invention, it is to 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", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. The utility model provides a draw horse tool for abrasive machine which characterized in that includes:
the middle part of the support plate is provided with a first threaded hole which penetrates through the support plate in the thickness direction of the support plate;
the peripheral wall of the screw-in rod is provided with a first thread section, the first thread section is in thread fit with the first threaded hole, the top of the screw-in rod is provided with a connecting hole suitable for being matched with a wrench, and the bottom of the screw-in rod is provided with a stopping part suitable for being matched with a flange plate of the grinding machine;
the upper ends of the two jaw assemblies are respectively connected with the two ends of the supporting plate in the length direction in a rotatable and movable mode, and the lower ends of the two jaw assemblies are respectively provided with a clamping groove suitable for being in clamping fit with a grinding wheel of the grinding machine.
2. The puller jig for the grinding wheel machine according to claim 1, wherein two ends of the supporting plate in the length direction are respectively provided with an oblong hole, the oblong hole penetrates through the supporting plate in the thickness direction of the supporting plate, the jaw assembly comprises a connecting rod and a jaw, the connecting rod is arranged in the oblong hole in a penetrating mode, the cross section of the connecting rod is formed to be circular, a stop block is arranged at the bottom end of the connecting rod, the bottom end of the connecting rod is far away from the grinding wheel, the jaw is connected with the bottom end of the connecting rod, and the jaw defines the clamping groove.
3. The puller jig for a grinder of claim 2, wherein the jaw includes: the grinding wheel comprises a first plate, a second plate and a third plate, wherein the first plate and the second plate are arranged in parallel, the third plate is connected to one ends, far away from the central axis of the grinding wheel, of the first plate and the second plate, the clamping grooves are defined among the first plate, the second plate and the third plate, the first plate is provided with a second threaded hole, and a second threaded section which is suitable for being matched with the second threaded hole is formed in the peripheral wall of the connecting rod.
4. The puller jig for a grinder of claim 3, wherein the first plate, second plate and third plate are a unitary piece, the thickness of the first plate, second plate and third plate being 4-6 mm.
5. The puller jig for a grinder of claim 3, wherein the bottom of the connecting rod is provided with a locking pad having a cross-sectional area greater than that of the precession rod.
6. The puller jig for a grinder of claim 5, wherein the bottom wall of the locking cushion block is provided with a first flexible pad, and the thickness of the first flexible pad is 1mm to 3mm.
7. The puller jig for the grinder according to claim 3, wherein a second flexible pad is adhered to each of the first plate, the second plate and the third plate, and the thickness of the second flexible pad is 1mm-3mm.
8. The puller jig for a grinder according to claim 3, wherein the second plate has a length L, the grinding wheel has a diameter D, and L and D satisfy: L/D is more than or equal to 0.2 and less than or equal to 0.3.
9. The puller jig for a grinder of claim 3, wherein the distance between the first plate and the second plate is h, the thickness of the grinding wheel is t, and h and t satisfy: t/h is more than or equal to 0.6 and less than or equal to 0.7.
10. The puller jig for a grinder of any one of claims 1 to 9, wherein the abutment is formed in a conical shape, the flange being provided with an annular wall adapted to cooperate with the abutment, the abutment coinciding with a central axis of the annular wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222805409.3U CN218592701U (en) | 2022-10-25 | 2022-10-25 | Puller jig for grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222805409.3U CN218592701U (en) | 2022-10-25 | 2022-10-25 | Puller jig for grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218592701U true CN218592701U (en) | 2023-03-10 |
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ID=85405178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222805409.3U Active CN218592701U (en) | 2022-10-25 | 2022-10-25 | Puller jig for grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218592701U (en) |
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2022
- 2022-10-25 CN CN202222805409.3U patent/CN218592701U/en active Active
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