CN211489694U - Nine-point turning clamp for turning brake drum - Google Patents
Nine-point turning clamp for turning brake drum Download PDFInfo
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- CN211489694U CN211489694U CN201922140987.8U CN201922140987U CN211489694U CN 211489694 U CN211489694 U CN 211489694U CN 201922140987 U CN201922140987 U CN 201922140987U CN 211489694 U CN211489694 U CN 211489694U
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Abstract
The utility model provides a nine car anchor clamps of braking drum car processing, it has solved the brake drum and has processed that the clamping process is loaded down with trivial details man-hour, the easy not hard up scheduling problem of fixing, it includes the chuck base, the chuck base upper end circumference outside is equipped with the jaw seat of three vertical setting through first radial adjustable mounting structure, jaw seat upper end is equipped with the fixed arm through the radial adjustable mounting structure of second respectively, the fixed arm of three jaw seat upper end uses the center of chuck base to set up as centre of a circle circumference evenly distributed respectively, and fixed arm circumference inboard is equidistant to be equipped with a first tight piece of clamp and two tight pieces of second clamp respectively in proper order, and first tight piece of clamp passes through fixed mounting structure and sets up at the inboard middle part of fixed arm circumference, and the tight piece of second clamp sets up the both sides at first tight piece of clamp through vertical adjustable mounting structure respectively. The utility model has the advantages of easy clamping, good fixing effect, etc.
Description
Technical Field
The utility model belongs to the technical field of anchor clamps structure, concretely relates to braking drum car processing nine points car anchor clamps.
Background
With the development of science and technology, the application of automation equipment in various automobile manufacturing industries is more and more extensive, wherein an automobile brake drum is taken as a key safety part in an automobile, and the development of the automobile brake drum is closely related to the automobile industry. Due to the rapid development of the domestic automobile industry in recent years, automobile brake drum and hub manufacturers develop quickly, but face a plurality of challenges at the same time. At present, the precision of domestic metal cutting machine tools can meet the processing requirements of brake drums, but the clamping precision and the stability of the brake drums restrict the processing precision and the qualification rate of the brake drums, in order to ensure that the processing of the brake drums can meet the precision requirements of various items, the qualification rate of finished products is improved, and people often adopt the brake drum clamp to be matched with an inspection device to detect the precision. However, in practical use, the problem that the clamping process is complicated often exists. In addition, loosening of the jaws of the clamp while secured often results in machining errors.
In order to solve the defects of the prior art, people have long searched for and put forward various solutions. For example, chinese patent document discloses an external clamping manipulator [201420377755.9] for upper and lower parts of a brake drum, which includes a cylinder, a cylinder plate cover, a fixing leg, and a clamping jaw, wherein the cylinder is fixedly mounted on the cylinder plate cover, and the external clamping manipulator is characterized in that: the lower end of the air cylinder is provided with a connecting sleeve, the lower surface of the air cylinder plate cover is provided with a fixing foot and a limiting column, the fixing foot is movably connected with the clamping jaw through a pin shaft, the limiting column is fixed or adjusted through an upper nut and a lower nut, a connecting rod is arranged between the clamping jaw and the connecting sleeve, and two ends of the connecting rod are movably connected through a pin shaft.
The problem that the clamping process is tedious is solved to a certain extent to above-mentioned scheme, but this scheme still has a lot of not enough, for example the clamping jaw end is easy not hard up when fixing the brake drum scheduling problem.
Disclosure of Invention
The utility model aims at the above-mentioned problem, a reasonable in design is provided, fixed effectual nine car anchor clamps of brake drum car processing.
In order to achieve the above purpose, the utility model adopts the following technical proposal: the nine-point turning clamp for the brake drum turning comprises a disc-shaped chuck base, wherein three vertically-arranged jaw seats are arranged on the circumferential outer side of the upper end of the chuck base through a first radial adjustable mounting structure, the jaw seats are circumferentially and uniformly distributed by taking the center of the chuck base as a circle center respectively, fixing arms which are arc-shaped and horizontally arranged are arranged on the upper ends of the jaw seats through a second radial adjustable mounting structure respectively, the fixing arms on the upper ends of the three jaw seats are circumferentially and uniformly distributed by taking the center of the chuck base as the circle center respectively, a first clamping block and two second clamping blocks are sequentially and equidistantly arranged on the circumferential inner side of the fixing arms respectively, the first clamping block is arranged in the middle of the circumferential inner side of the fixing arms through the fixed mounting structure, the second clamping blocks are arranged on two sides of the first clamping block through the vertical adjustable mounting structures respectively, and clamping surfaces are arranged on one sides of the first clamping block and one side of the second clamping block, which, and the clamping surfaces of the first clamping blocks and the second clamping blocks on the three fixing arms are circumferentially distributed by taking the center of the chuck base as a circle center. The first clamping block is arranged at the center of the inner side of the fixing arm, and the second clamping blocks used for assisting are additionally arranged on two sides of the first clamping block, so that the degree of freedom is limited, clamping fixing points in contact with a brake drum are fully increased, and machining errors caused by vibration during machining are reduced.
In foretell brake drum car processing nine points car anchor clamps, first radial adjustable mounting structure is including setting up the first tooth locating component between chuck base and jaw seat, and still is equipped with first fixed subassembly between chuck base and the jaw seat. The distance between the fixed arm and the center of the chuck base can be controlled through the first radial adjustable mounting structure.
In foretell brake drum car processing nine points car anchor clamps, first tooth locating component is including setting up at chuck base up end and respectively along the first outer location tooth group and the first interior location tooth group of chuck base radial extension, and first interior location tooth group is located chuck base circumference inboard respectively, first outer location tooth group is located chuck base circumference outside, and has at the jack catch base lower extreme and radially extend the setting and respectively with first outer location tooth group and/or the first cooperation tooth group that interior location tooth group engaged with. First tooth locating component sets up in chuck base upper end, is favorable to guaranteeing the relatively fixed of jaw seat and chuck base.
In foretell brake drum car processing nine points car anchor clamps, first fixed subassembly includes a plurality of first fixed orificess that set up along the vertical extension of jack catch seat, and jack catch seat lower extreme has the first keyway that corresponds with first fixed orifices and is equipped with first parallel key in the first keyway, on first parallel key respectively with the first fixed orifices one-to-one first parallel key hole, and be equipped with the first mating holes with first fixed orifices and first parallel key hole on the chuck base, and first fixed orifices, first parallel key hole and first mating holes pass through fixing bolt and link to each other. Set up first parallel key, guarantee that the jaw seat can not rock for chuck base circumference tangential direction.
In the nine-point turning clamp for the turning of the brake drum, the second radial adjustable mounting structure comprises a second tooth positioning assembly arranged between the lower end of the fixed arm and the upper end of the jaw seat, and a second fixing assembly is further arranged between the fixed arm and the jaw seat.
In the nine-point turning clamp for turning the brake drum, the second tooth positioning assembly comprises a plurality of fixing lugs which are arranged on the lower end face of the fixing arm and protrude downwards, a second positioning tooth group extending along the radial direction of the chuck base is arranged on the lower end face of each fixing lug, and a plurality of second matching tooth groups meshed with the second positioning tooth groups are arranged at the upper end of the jaw base. The lower end of the fixed lug is provided with a second positioning tooth group, so that the fixed arm is ensured to be fixed in position in the radial direction relative to the clamping jaw seat.
In foretell brake drum car processing nine points car anchor clamps, the second fixed subassembly includes a plurality of second fixed orificess that set up along the vertical extension of fixed arm, and the pawl seat upper end has the second flat keyway and is equipped with the outside convex second parallel key in the second flat keyway, the joint of second flat key upper end is between fixed lug, respectively with the second fixed orifices one-to-one second flat keyhole on the second parallel key, and be equipped with on the pawl seat be located the second flat keyway bottom and with the second fixed orifices and the second mating holes in second flat keyhole, and the second fixed orifices, second flat keyhole passes through fixing bolt with the second mating holes and links to each other. The second flat key ensures that the fixed arm is fixed in position relative to the claw seat in the circumferential tangential direction of the chassis seat.
In foretell brake drum car processing nine points car anchor clamps, fixed mounting structure is equipped with a plurality of third fixed orificess including setting up at the inboard middle part of fixed arm circumference and radial outside convex radial lug, radial lug on, and is equipped with a plurality of first locating holes that correspond with the third fixed orifices on the first tight piece of clamp, and first locating hole passes through positioning bolt and links to each other with first fixed orifices.
In the nine-point turning clamp for turning the brake drum, the vertical adjustable mounting structure comprises a vertical groove which is vertically arranged on the inner side of the fixed arm in the circumferential direction, an adjustable lug which is inserted into the vertical groove is arranged on the inner side of the second clamping block, a plurality of second positioning holes are formed in the adjustable lug, a plurality of second fixing holes corresponding to the second positioning holes are formed in the fixed arm, and the second positioning holes are connected with the second fixing holes through positioning bolts.
In foretell nine some car anchor clamps of brake drum car processing, open at chuck base upper end center has circular recess, circular recess center department opens there is the shoulder hole, and open the chuck base edge outside has T shape mounting groove, and the T shape bottom of T shape mounting groove meets with the upper end of chuck base. Through setting up T shape mounting groove, conveniently fix the chuck base on the lathe.
Compared with the prior art, the utility model has the advantages of: the position of the fixed arm is adjustable, so that the brake drum fixing device is convenient to adapt to brake drums with different sizes; a plurality of clamping blocks with end surfaces positioned on the same circumferential surface are additionally arranged on the fixing arm, so that the clamping looseness is reduced while the freedom degree is limited; through setting up tooth locating component for the anchor clamps installation is more stable.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural view of another viewing angle of the present invention;
fig. 3 is a schematic structural view of the chuck base of the present invention;
fig. 4 is a schematic view of the chuck base and the first flat key of the present invention;
fig. 5 is a schematic structural view of the jaw base of the present invention;
fig. 6 is a schematic structural view of another view of the jaw seat of the present invention;
fig. 7 is a schematic view of the engagement between the pawl seat and the second flat key of the present invention;
fig. 8 is a schematic structural diagram of the fixing arm of the present invention;
fig. 9 is a schematic structural view of a second clamping block of the present invention;
in the figure, the chuck base 1, the first matching hole 11, the circular groove 12, the stepped hole 13, the T-shaped mounting groove 14, the first radial adjustable mounting structure 2, the first tooth positioning component 21, the first outer positioning tooth group 22, the first inner positioning tooth group 23, the first matching tooth group 24, the first fixing component 25, the first fixing hole 26, the first flat key groove 27, the first flat key 28, the first flat key hole 29, the jaw seat 3, the second matching hole 31, the second radial adjustable mounting structure 4, the second tooth positioning component 41, the fixing lug 42, the second positioning tooth group 43, the second matching tooth group 44, the second fixing component 45, the second fixing hole 46, the second flat key groove 47, the second flat key 48, the second flat key hole 49, the fixing arm 5, the first clamping block 6, the clamping surface 61, the second clamping block 7, the fixing mounting structure 8, the radial lug 81, the third fixing hole 82, The adjustable mounting structure comprises a first positioning hole 83, a vertical adjustable mounting structure 9, a vertical groove 91, an adjustable bump 92, a second positioning hole 93 and a fourth fixing hole 94.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-9, the nine-point turning clamp for processing the brake drum comprises a disc-shaped chuck base 1, wherein three vertically arranged jaw seats 3 are arranged on the circumferential outer side of the upper end of the chuck base 1 through a first radially adjustable mounting structure 2, the jaw seats 3 are respectively circumferentially and uniformly distributed by taking the center of the chuck base 1 as the circle center, the upper end of each jaw seat 3 is respectively provided with an arc-shaped and horizontally arranged fixing arm 5 through a second radially adjustable mounting structure 4, the fixing arms 5 on the upper ends of the three jaw seats 3 are respectively circumferentially and uniformly distributed by taking the center of the chuck base 1 as the circle center, the circumferential inner side of the fixing arm 5 is respectively and sequentially provided with a first clamping block 6 and two second clamping blocks 7 at equal intervals, the first clamping block 6 is arranged at the circumferential inner middle part of the fixing arm 5 through a fixed mounting structure 8, and the second clamping blocks 7 are respectively arranged at two sides of the first clamping block 6 through vertically adjustable mounting structures 9, and the clamping surfaces 61 are respectively arranged on the sides, far away from the fixing arms 5, of the first clamping block 6 and the second clamping block 7, and the clamping surfaces 61 of the first clamping block 6 and the clamping surfaces 61 of the second clamping block 7 on the three fixing arms 5 are circumferentially distributed by taking the center of the chuck base 1 as the circle center. The first clamping block 6 and the second clamping block 7 face the central axis of the chuck base 1, and the clamping surfaces 61 are located on the same cylindrical surface to clamp the brake drum.
Specifically, the first radially adjustable mounting structure 2 includes a first tooth positioning assembly 21 disposed between the chuck base 1 and the jaw base 3, and a first fixing assembly 25 is further disposed between the chuck base 1 and the jaw base 3.
Further, first tooth locating component 21 is including setting up at chuck base 1 up end and respectively along chuck base 1 radial extension's first outer location tooth group 22 and first interior location tooth group 23, and first interior location tooth group 23 is located chuck base 1 circumference inboard respectively, and first outer location tooth group 22 is located chuck base 1 circumference outside, and has at 3 lower extremes of jaw seat along chuck base 1 radial extension setting and respectively with first outer location tooth group 22 and/or first interior location tooth group 23 engaged with first cooperation tooth group 24. The first outer set of positioning teeth 22 and the first inner set of positioning teeth 23 are intermeshed with the first mating set of teeth 24, limiting the radial play of the jaw receptacle 3 with respect to the chuck base 1.
Deeply, the first fixing component 25 comprises a plurality of first fixing holes 26 vertically extending along the jaw base 3, the lower end of the jaw base 3 is provided with a first flat key groove 27 corresponding to the first fixing holes 26, a first flat key 28 is arranged in the first flat key groove 27, first flat key holes 29 corresponding to the first fixing holes 26 one by one are formed in the first flat key 28, first matching holes 11 corresponding to the first fixing holes 26 and the first flat key holes 29 are formed in the chuck base 1, and the first fixing holes 26, the first flat key holes 29 and the first matching holes 11 are connected through fixing bolts. The first flat key 27 limits the movement of the jaw seat 3 in the tangential direction after the fixing bolt is assembled.
As can be seen, the second radially adjustable mounting structure 4 comprises a second tooth positioning assembly 41 arranged between the lower end of the fixed arm 5 and the upper end of the jaw housing 3, and a second fixing assembly 45 is further arranged between the fixed arm 5 and the jaw housing 3.
It is obvious that the second tooth positioning assembly 41 includes a plurality of fixing protrusions 42 disposed on the lower end surface of the fixing arm 5 and protruding downward, and the lower end surface of the fixing protrusions 42 has a second positioning tooth set 43 extending along the radial direction of the chuck base 1, and the upper end of the jaw base 3 has a plurality of second mating tooth sets 44 engaged with the second positioning tooth set 43. The second set of positioning teeth 43 and the second set of mating teeth 44 engage each other to prevent the fixing arm 5 from moving in the radial direction with respect to the jaw housing 3, so that the fixing arm 5 is engaged more tightly.
In addition, the second fixing assembly 45 includes a plurality of second fixing holes 46 vertically extending along the fixing arm 5, the upper end of the jaw base 3 is provided with a second flat key groove 47, an outwardly protruding second flat key 48 is arranged in the second flat key groove 47, the upper end of the second flat key 48 is clamped between the fixing bumps 42, the second flat key 48 is provided with second flat key holes 49 corresponding to the second fixing holes 46 one by one, the jaw base 3 is provided with second matching holes 31 located at the bottom of the second flat key groove 47 and corresponding to the second fixing holes 46 and the second flat key holes 49, and the second fixing holes 46, the second flat key holes 49 and the second matching holes 31 are connected through fixing bolts. After the second flat key 48 is inserted into the second flat key groove 47, the fixing arm 5 is fixed relative to the jaw seat 3 in the tangential direction.
Furthermore, the fixed mounting structure 8 includes a radial protrusion 81 disposed at the inner middle portion of the circumferential direction of the fixed arm 5 and protruding radially outward, the radial protrusion 81 is provided with a plurality of third fixing holes 82, the first clamping block 6 is provided with a plurality of first positioning holes 83 corresponding to the third fixing holes 82, and the first positioning holes 83 are connected to the third fixing holes 82 through positioning bolts. The first clamping block 6 is fixed inside the fixed arm 5 and is guaranteed to be in the same axial position as the second clamping block 7.
Preferably, the vertically adjustable mounting structure 9 includes a vertical groove 91 vertically disposed on the inner side of the fixing arm 5 in the circumferential direction, the inner side of the second clamping block 7 has an adjustable protrusion 92 inserted into the vertical groove 91, the adjustable protrusion 92 is provided with a plurality of second positioning holes 93, the fixing arm 5 is provided with a plurality of fourth fixing holes 94 corresponding to the second positioning holes 93, and the second positioning holes 93 are connected to the fourth fixing holes 94 through positioning bolts. The adjustable projection 92 and the vertical groove 91 of the second clamping block 7 are mutually clamped, and the second clamping block 7 is symmetrical about the first clamping block 6.
Obviously, the center of the upper end of the chuck base 1 is provided with a circular groove 12, the center of the circular groove 12 is provided with a stepped hole 13, the outer side of the edge of the chuck base 1 is provided with a T-shaped mounting groove 14, and the T-shaped bottom of the T-shaped mounting groove 14 is connected with the upper end of the chuck base 1. Wherein the T-shaped mounting slot 14 and the stepped bore 13 are used to mount the chuck base 1 to a machine tool.
The principle of the embodiment is as follows: through set up three jack catch seat 3 in chuck base 1 upper end, and jack catch seat 3 is connected with the 5 middle part lower extremes of fixed arm that the bending set up, 5 inboard middle parts of fixed arm be equipped with first tight piece 6 of clamp, the second presss from both sides tight piece 7 and sets up in 5 both sides of fixed arm about first tight piece 6 symmetry of clamp. The clamping surfaces 61 of the first clamping block 6 and the second clamping block 7 face the central axis of the chuck base 1 and the clamping surfaces 61 are arranged on the same cylindrical arc surface, so that the clamping surfaces 61 are attached to the outer side of the clamped brake drum, and looseness in the machining process is avoided.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although the chuck base 1, the first fitting hole 11, the circular groove 12, the stepped hole 13, the T-shaped fitting groove 14, the first radially adjustable fitting structure 2, the first tooth positioning member 21, the first outer positioning tooth group 22, the first inner positioning tooth group 23, the first fitting tooth group 24, the first fixing member 25, the first fixing hole 26, the first spline groove 27, the first spline 28, the first spline hole 29, the pawl holder 3, the second fitting hole 31, the second radially adjustable fitting structure 4, the second tooth positioning member 41, the fixing projection 42, the second positioning tooth group 43, the second fitting tooth group 44, the second fixing member 45, the second fixing hole 46, the second spline groove 47, the second spline 48, the second spline hole 49, the fixing arm 5, the first clamping block 6, the clamping surface 61, the second clamping block 7, the fixing fitting structure 8, the radial projection 81, and the like are more frequently used herein, The terms third fixing hole 82, first positioning hole 83, vertically adjustable mounting structure 9, vertical slot 91, adjustable projection 92, second positioning hole 93, fourth fixing hole 94, etc., but do not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Claims (10)
1. The utility model provides a nine some car anchor clamps of braking drum car processing, is including chuck base (1) that is the discoid, a serial communication port, chuck base (1) upper end circumference outside be equipped with claw seat (3) of three vertical setting through first radial adjustable mounting structure (2), just claw seat (3) use the center of chuck base (1) respectively as centre of a circle circumference evenly distributed setting, claw seat (3) upper end be equipped with respectively through radial adjustable mounting structure (4) of second and be fixed arm (5) that the arc just is the level setting, fixed arm (5) of three claw seat (3) upper end use the center of chuck base (1) respectively as centre of a circle circumference evenly distributed setting, just fixed arm (5) circumference inboard be equipped with one first tight piece of clamp (6) and two tight pieces of second clamp (7) respectively equidistant in proper order, just first tight piece of clamp (6) set up in fixed arm (5) inboard through fixed mounting structure (8) and press from both sides tight piece (7) set up The department, just second press from both sides tight piece (7) and set up the both sides of pressing from both sides tight piece (6) at first through vertical adjustable mounting structure (9) respectively, just first press from both sides tight piece (6) and second press from both sides one side that tight piece (7) kept away from fixed arm (5) and have respectively and press from both sides tight face (61), and the tight face (61) of the tight face of the tight piece (6) of first clamp on three fixed arm (5) and the tight face (61) of the tight piece (7) of second clamp all use the center of chuck base (1) to distribute as centre of a circle circumference and set up.
2. The brake drum machining nine-point lathe fixture as claimed in claim 1, characterized in that the first radial adjustable mounting structure (2) comprises a first tooth positioning assembly (21) arranged between the chuck base (1) and the jaw seat (3), and a first fixing assembly (25) is arranged between the chuck base (1) and the jaw seat (3).
3. The nine-point turning clamp for the brake drum turning machining according to claim 2, wherein the first tooth positioning assembly (21) comprises a first outer positioning tooth group (22) and a first inner positioning tooth group (23) which are arranged on the upper end face of the chuck base (1) and respectively extend along the radial direction of the chuck base (1), the first inner positioning tooth group (23) is respectively arranged on the circumferential inner side of the chuck base (1), the first outer positioning tooth group (22) is arranged on the circumferential outer side of the chuck base (1), and a first matching tooth group (24) which is arranged along the radial direction of the chuck base (1) and respectively meshed with the first outer positioning tooth group (22) and/or the first inner positioning tooth group (23) is arranged at the lower end of the jaw base (3).
4. The nine-point turning clamp for the brake drum turning machining according to claim 3, wherein the first fixing assembly (25) comprises a plurality of first fixing holes (26) which vertically extend along the jaw base (3), the lower end of the jaw base (3) is provided with a first flat key groove (27) corresponding to the first fixing holes (26), first flat keys (28) are arranged in the first flat key groove (27), first flat key holes (29) which correspond to the first fixing holes (26) one by one are formed in the first flat keys (28), first matching holes (11) corresponding to the first fixing holes (26) and the first flat key holes (29) are formed in the chuck base (1), and the first fixing holes (26), the first flat key holes (29) and the first matching holes (11) are connected through fixing bolts.
5. The nine-point turning jig for the brake drum turning according to claim 1, 2, 3 or 4, characterized in that the second radially adjustable mounting structure (4) comprises a second tooth positioning assembly (41) arranged between the lower end of the fixing arm (5) and the upper end of the jaw seat (3), and a second fixing assembly (45) is further arranged between the fixing arm (5) and the jaw seat (3).
6. The nine-point turning clamp for the brake drum turning machining according to claim 5, wherein the second tooth positioning assembly (41) comprises a plurality of fixing protrusions (42) which are arranged on the lower end face of the fixing arm (5) and protrude downwards, a second positioning tooth group (43) which extends along the radial direction of the chuck base (1) is arranged on the lower end face of each fixing protrusion (42), and a plurality of second matching tooth groups (44) which are meshed with the second positioning tooth groups (43) are arranged on the upper end of the clamping jaw seat (3).
7. The nine-point lathing fixture for brake drums as claimed in claim 6, wherein said second fixing member (45) comprises a plurality of second fixing holes (46) extending vertically along the fixing arm (5), the upper end of the jaw seat (3) is provided with a second flat key groove (47), a second flat key (48) which protrudes outwards is arranged in the second flat key groove (47), the upper end of the second flat key (48) is clamped between the fixed lugs (42), second flat key holes (49) corresponding to the second fixing holes (46) on the second flat keys (48) one by one, and the jaw seat (3) is provided with a second matching hole (31) which is positioned at the bottom of the second flat key groove (47) and is connected with the second fixing hole (46) and the second flat key hole (49), and the second fixing hole (46), the second flat key hole (49) and the second matching hole (31) are connected through fixing bolts.
8. The nine-point turning clamp for the brake drum turning machining according to claim 1, wherein the fixing and mounting structure (8) comprises a radial protruding block (81) which is arranged in the middle of the circumferential inner side of the fixing arm (5) and protrudes outwards in the radial direction, a plurality of third fixing holes (82) are formed in the radial protruding block (81), a plurality of first positioning holes (83) corresponding to the third fixing holes (82) are formed in the first clamping block (6), and the first positioning holes (83) are connected with the third fixing holes (82) through positioning bolts.
9. The nine-point turning clamp for the brake drum turning machining according to claim 8, wherein the vertically adjustable mounting structure (9) comprises a vertical groove (91) vertically arranged on the circumferential inner side of the fixing arm (5), an adjustable bump (92) inserted in the vertical groove (91) is arranged on the inner side of the second clamping block (7), a plurality of second positioning holes (93) are formed in the adjustable bump (92), a plurality of fourth fixing holes (94) corresponding to the second positioning holes (93) are formed in the fixing arm (5), and the second positioning holes (93) are connected with the fourth fixing holes (94) through positioning bolts.
10. The nine-point turning clamp for the brake drum turning machining according to claim 1, wherein a circular groove (12) is formed in the center of the upper end of the chuck base (1), a stepped hole (13) is formed in the center of the circular groove (12), a T-shaped mounting groove (14) is formed in the outer side of the edge of the chuck base (1), and the T-shaped bottom of the T-shaped mounting groove (14) is connected with the upper end of the chuck base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922140987.8U CN211489694U (en) | 2019-12-03 | 2019-12-03 | Nine-point turning clamp for turning brake drum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922140987.8U CN211489694U (en) | 2019-12-03 | 2019-12-03 | Nine-point turning clamp for turning brake drum |
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| Publication Number | Publication Date |
|---|---|
| CN211489694U true CN211489694U (en) | 2020-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922140987.8U Active CN211489694U (en) | 2019-12-03 | 2019-12-03 | Nine-point turning clamp for turning brake drum |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112222882A (en) * | 2020-09-24 | 2021-01-15 | 山东倍瑞恳新材料有限公司 | Brake disc grinding clamp stable in clamping |
| CN112296374A (en) * | 2020-11-06 | 2021-02-02 | 龙工（福建）铸锻有限公司 | Lathe fixture for automatic centering of brake drum |
| CN113084213A (en) * | 2021-04-30 | 2021-07-09 | 章丘市宝华锻造有限公司 | Turning tool and clamping method for cylinder head of oil cylinder |
-
2019
- 2019-12-03 CN CN201922140987.8U patent/CN211489694U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112222882A (en) * | 2020-09-24 | 2021-01-15 | 山东倍瑞恳新材料有限公司 | Brake disc grinding clamp stable in clamping |
| CN112222882B (en) * | 2020-09-24 | 2022-04-08 | 山东倍瑞恳新材料有限公司 | Brake disc grinding clamp stable in clamping |
| CN112296374A (en) * | 2020-11-06 | 2021-02-02 | 龙工（福建）铸锻有限公司 | Lathe fixture for automatic centering of brake drum |
| CN112296374B (en) * | 2020-11-06 | 2024-05-17 | 龙工（福建）铸锻有限公司 | Lathe fixture for automatic centering of brake drum |
| CN113084213A (en) * | 2021-04-30 | 2021-07-09 | 章丘市宝华锻造有限公司 | Turning tool and clamping method for cylinder head of oil cylinder |
| CN113084213B (en) * | 2021-04-30 | 2021-10-12 | 章丘市宝华锻造有限公司 | Turning tool and clamping method for cylinder head of oil cylinder |
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