CN214602331U - Reducing internal spline gear shaping clamp - Google Patents

Reducing internal spline gear shaping clamp Download PDF

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Publication number
CN214602331U
CN214602331U CN202120476761.XU CN202120476761U CN214602331U CN 214602331 U CN214602331 U CN 214602331U CN 202120476761 U CN202120476761 U CN 202120476761U CN 214602331 U CN214602331 U CN 214602331U
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CN
China
Prior art keywords
clamping
positioning seat
gland
gear shaping
internal spline
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CN202120476761.XU
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Chinese (zh)
Inventor
宋强
冯瑞娟
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Anhui Xingrui Gear Transmission Co ltd
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Anhui Xingrui Gear Transmission Co ltd
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Abstract

The utility model discloses a reducing internal spline gear shaping clamp, which comprises a main body part and a clamping part, wherein the main body part comprises a centre, a centre seat, a base and a clamp body, wherein the centre seat is arranged at the lower part of the base, the clamp body is arranged at the upper part of the base, and the centre is arranged in the centre seat and is used for positioning and matching with the big end of a workpiece; the clamping part comprises a retainer, a positioning seat, an expansion sleeve and a gland, wherein the positioning seat is arranged on the clamp body, the retainer is arranged between the clamp body and the positioning seat, a plurality of steel balls are arranged in the retainer, and the expansion sleeve is arranged between the gland and the positioning seat; the clamping device further comprises a spanner used for rotating the gland, the gland is used for compressing the expansion sleeve, and the expansion sleeve is used for clamping the small end of the workpiece. Through setting up the clamping part, eliminated the big external diameter part of work piece lower extreme and led to the fact the adverse effect to the clamping, can effectively fix the work piece, satisfy gear shaping precision and make things convenient for the clamping.

Description

Reducing internal spline gear shaping clamp
Technical Field
The utility model relates to a mechanical product shaft gear processing frock design technical field especially relates to a reducing internal spline gear shaping anchor clamps.
Background
The fixture generally comprises a positioning element (for determining the correct position of the shaft tooth product in the fixture), a clamping device, a tool setting guide element (for determining the relative position of the tool and the shaft tooth product or guiding the direction of the tool), an indexing device (for enabling the shaft tooth product to complete the processing of a plurality of stations in one-time installation, including a rotary indexing device and a linear movement indexing device), a connecting element, a fixture body (a fixture base) and the like.
In the prior art, when a gear shaping clamp is used for machining, as the reducing internal spline output shaft shown in fig. 1, the internal spline gear shaping difficulty is high due to the fact that the difference of the outer diameters of the two ends of the shaft is large and the internal spline is located at one thinner end, and the common gear shaping clamp is high in machining difficulty and difficult to effectively fix a workpiece and meet the gear shaping precision, and meanwhile, the clamping and the vertical workpiece are convenient.
Therefore, for the situation that the diameter difference of two ends of the shaft product is large and one end with a small diameter cannot be directly clamped by using the clamp, for example, the internal spline gear shaping of the reducing internal spline output shaft is processed, a reducing internal spline gear shaping clamp which can effectively fix a workpiece, meet the gear shaping precision, facilitate clamping and clamp the workpiece up and down is needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a reducing internal spline gear shaping anchor clamps to because axle class product both ends diameter difference is big in the reducing internal spline output shaft processing that proposes in solving above-mentioned background art, the problem of the direct centre gripping path one end of unable anchor clamps that uses.
Therefore, the utility model adopts the following technical scheme:
the reducing internal spline gear shaping clamp is characterized by comprising a main body part and a clamping part, wherein the main body part comprises a tip 1, a tip seat 2, a base 3 and a clamp body 4, the tip seat 2 is arranged at the lower part of the base 3, the clamp body 4 is arranged at the upper part of the base 3, and the tip 1 is arranged in the tip seat 2 and used for being in positioning fit with the large end of a workpiece; the clamping part comprises a retainer 5, a positioning seat 6, an expansion sleeve 7 and a gland 8, wherein the positioning seat 6 is arranged on the clamp body 4, the retainer 5 is arranged between the clamp body 4 and the positioning seat 6, a plurality of steel balls 12 are arranged in the retainer 5, and the expansion sleeve 7 is arranged between the gland 8 and the positioning seat 6; the clamping device further comprises a wrench 9 used for rotating the gland 8, the gland 8 is used for compressing the expansion sleeve 7, and the expansion sleeve 7 is used for clamping the small end of the workpiece.
Further, the positioning seat 6 has a first conical surface, and the expansion sleeve 7 has a second conical surface, wherein the first conical surface is matched with the second conical surface.
Furthermore, a bolt hole is formed in the positioning seat 6, and the bolt hole is of a large hole and small hole series connection structure.
Furthermore, the clamp body 4, the retainer 5 and the positioning seat 6 are in small interference fit, and the interference is 0.01-0.02mm, so that the repeated positioning precision of the clamping part relative to the main body part is ensured.
Further, the gland 8 is in threaded connection with the positioning seat 6, wherein the gland 8 compresses the expansion sleeve 7 from the top end thereof.
Further, the clamping portion cooperating with the body portion has a plurality of dimensional specifications for clamping workpieces of different diameters.
Compared with the prior art, the utility model relates to a reducing internal spline gear shaping anchor clamps's beneficial effect is:
the utility model discloses well reducing internal spline gear shaping anchor clamps have solved in the background art because axle type product both ends diameter difference is big in the processing of reducing internal spline output shaft, can't use the defect of the direct centre gripping path one end of anchor clamps, through setting up the clamping part, have eliminated the adverse effect that the big external diameter part of work piece lower extreme caused the clamping, can effectively fix the work piece, satisfy the gear shaping precision and make things convenient for the clamping. In addition, the clamping part is replaced by adjusting the length of the reducing arm, the clamping diameter can be changed, so that workpieces with different diameters can be clamped, the retainer, the steel balls and the bolt hole positioning seats with the large holes and the small holes are arranged, the workpieces can be clamped conveniently and rapidly, and the clamping device is simple in structure and stable in performance.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. On the attachment
In the figure:
FIG. 1 is a schematic structural diagram of a machined variable-diameter internal spline output shaft product;
FIG. 2 is a schematic view of a sectional structure of the reducing internal spline gear shaping fixture of the present invention;
fig. 3 is a schematic structural view of the reducing internal spline gear shaping fixture according to an embodiment of the present invention when clamping a reducing product;
FIG. 4 is a schematic view of a sectional structure of the reducing internal spline gear shaping fixture of the present invention;
FIG. 5 is a schematic view of a cross-sectional structure of the positioning seat of the reducing internal spline gear shaping jig of the present invention;
FIG. 6 is a schematic view of the overlooking structure of the positioning seat of the reducing internal spline gear shaping fixture of the present invention;
FIG. 7 is a schematic view of the sectional structure of the reducing internal spline gear shaping jig holder of the present invention;
fig. 8 is an enlarged view of a portion of fig. 7 according to the present invention;
fig. 9 is the utility model discloses reducing internal spline gear shaping anchor clamps cover sectional structure schematic diagram that rises.
Description of the reference numerals
1. A tip; 2. a tip seat; 3. a base; 4. a clamp body; 5. a holder; 6. positioning seats; 7. expanding sleeves;
8. a gland; 9. a wrench; 10. a workpiece; 11. a slotting cutter; 12. a steel ball; 13. correcting a first point; 14. and correcting the point two.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1-9, in an embodiment, the utility model discloses a reducing internal spline gear shaping anchor clamps, the big and internal spline of the both ends external diameter difference of this axle is in thinner one end, anchor clamps include main part and clamping part, main part and clamping part are the circumference structure, the main part includes top 1, apex seat 2, base 3 and anchor clamps body 4, wherein, apex seat 2 sets up in base 3 lower part, anchor clamps body 4 sets up in base 3 upper portion, apex 1 sets up in apex seat 2 for with the main aspects location fit of work piece.
The clamping part comprises a retainer 5, a positioning seat 6, an expansion sleeve 7 and a gland 8, wherein the positioning seat 6 is arranged on the clamp body 4, the retainer 5 is arranged between the clamp body 4 and the positioning seat 6, a plurality of steel balls are arranged in the retainer 5, and the expansion sleeve 7 is arranged between the gland 8 and the positioning seat 6; the clamping device further comprises a wrench 9 used for rotating the gland 8, wherein the gland 8 is used for compressing the expansion sleeve, and the expansion sleeve is used for clamping the small end of the workpiece.
The large end refers to the large outer diameter portion of the workpiece 10, and the small end refers to the small outer diameter portion of the workpiece 10.
As shown in fig. 2 and 3, a groove is formed in the side of the gland 8, and one end of the wrench 9 is placed in the groove for rotating the gland 8.
In an embodiment, the pressing cover 8 is in threaded connection with the positioning seat 6, wherein the pressing cover 8 presses the positioning seat from the top end of the expansion sleeve 7.
In one embodiment, the clamp body 4, the holder 5 and the positioning seat 6 are in small interference fit, and the interference is 0.01-0.02mm, so as to ensure the repeated positioning accuracy of the clamping part relative to the main body part.
In one embodiment, the positioning seat 6 has a first conical surface, and the expansion sleeve 7 has a second conical surface, wherein the first conical surface is matched with the second conical surface. As shown in fig. 2 and fig. 9, furthermore, the expansion sleeve 7 has a quarter slot or a two-quarter slot, and the expansion sleeve 7 plays a role of clamping driving.
As shown in fig. 6, the positioning seat 6 is provided with a bolt hole, the bolt hole is a structure in which large and small holes are connected in series, the aperture of the large hole is larger than the maximum outer diameter of the bolt, and the aperture of the small hole is equal to the diameter of the bolt thread plus 1 mm. In one embodiment, the radian of the clamping screw in the large and small holes for rotary displacement movement after the positioning seat 6 is rotated is 4-10 degrees. The upper and lower clamp holding portions are easily and quickly mounted on the main body portion. The workpiece can be conveniently and repeatedly clamped and installed.
In one embodiment, the retainer 5 and the steel balls 12 are arranged to ensure the use precision of the positioning seat 6 during repeated clamping; the positioning seat 6 is accurately positioned under the action of the retainer 5, and meanwhile, the clamping part is conveniently, easily and smoothly repeatedly clamped.
Further, the clamping portion cooperating with the body portion has a plurality of dimensional specifications for clamping workpieces of different diameters. As shown in fig. 5, the clamping diameter can be changed greatly by changing the clamping part by adjusting the length of the reducing arm, so that workpieces with different diameters can be clamped. The diameter-variable arm refers to the radial length from the edge of the inner hole of the positioning seat 6 to the inner wall of the clamp body 4 after installation.
In one embodiment, the centre 1 and the centre seat 2 are in small interference fit to ensure the assembly precision between the two; the base 3 and the center seat 2 are in small clearance fit, and the clearance value is not more than 0.01, so that the assembly precision of the center is ensured; the base 3 and the clamp body 4 are in small clearance fit, so that the assembly and the disassembly are convenient under the condition of ensuring the assembly precision.
The utility model discloses a process of anchor clamps clamping reducing shaft tooth class product as follows:
firstly, after the finial 1 and the finial seat 2 are assembled, the base 3 and the finial seat 2 are aligned and then fixed by screws, the base 3 is fixed on a machine tool workbench by a plurality of positioning holes on the base 3, and the radial runout of a 13-position inner hole correction point above the base 3 is less than 0.005. Secondly, the fixture body 4 is fixed on the base 3, and the radial runout at the second 14 position of the inner hole correction point above the fixture body 4 is less than 0.005 through screw fixation. Then, the rest parts are assembled into an assembly according to the figure 2.
And finally, the main body part is fixed when the clamp works, and the clamping part is taken down each time when the clamp is clamped. The screws for fixing the clamp body 4 and the positioning seat 6 are unscrewed, and as shown in fig. 6, the bolt holes of the positioning seat 6 are connected in series by large and small holes, and the clamping part can be directly taken down by rotating to a certain position. Placing the workpiece on the center 1, replacing the clamping portion on the main body portion, and then rotating the clamping portion; then the screw used for fixing the clamp body 4 and the positioning seat 6 is screwed; the pressing cover 8 is rotated by a wrench 9 to press the expansion sleeve 7 tightly, so that the workpiece can be clamped.
Compared with the prior art, the utility model relates to a reducing internal spline gear shaping anchor clamps's beneficial effect is:
the utility model discloses well reducing internal spline gear shaping anchor clamps have solved in the background art because axle type product both ends diameter difference is big in the processing of reducing internal spline output shaft, can't use the defect of the direct centre gripping path one end of anchor clamps, through setting up the clamping part, have eliminated the adverse effect that the big external diameter part of work piece lower extreme caused the clamping, can effectively fix the work piece, satisfy the gear shaping precision and make things convenient for the clamping. In addition, the clamping part is replaced by adjusting the length of the reducing arm, the clamping diameter can be changed, so that workpieces with different diameters can be clamped, the retainer, the steel balls and the bolt hole positioning seats with the large holes and the small holes are arranged, the workpieces can be clamped conveniently and rapidly, and the clamping device is simple in structure and stable in performance.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The reducing internal spline gear shaping clamp is characterized by comprising a main body part and a clamping part, wherein the main body part and the clamping part are arranged on the main body part
The main body part comprises a tip (1), a tip seat (2), a base (3) and a clamp body (4), wherein the tip seat (2) is arranged at the lower part of the base (3), the clamp body (4) is arranged at the upper part of the base (3), and the tip (1) is arranged in the tip seat (2) and is used for being positioned and matched with the large end of a workpiece;
the clamping part comprises a retainer (5), a positioning seat (6), an expansion sleeve (7) and a gland (8), wherein the positioning seat (6) is arranged on the clamp body (4), the retainer (5) is arranged between the clamp body (4) and the positioning seat (6), a plurality of steel balls are arranged in the retainer (5), and the expansion sleeve (7) is arranged between the gland (8) and the positioning seat (6);
the clamping device is characterized by further comprising a wrench (9) for rotating the gland (8), the gland (8) is used for compressing the expansion sleeve (7), and the expansion sleeve (7) is used for clamping the small end of a workpiece.
2. The reducing internal spline gear shaping jig according to claim 1, wherein the positioning seat (6) has a first conical surface, and the expansion sleeve (7) has a second conical surface, wherein the first conical surface is matched with the second conical surface.
3. The reducing internal spline gear shaping clamp according to claim 1, wherein the positioning seat (6) is provided with a bolt hole, and the bolt hole is in a large-hole and small-hole series connection structure.
4. The reducing internal spline gear shaping clamp according to claim 1, wherein the clamp body (4), the retainer (5) and the positioning seat (6) are in small interference fit, and the interference is 0.01-0.02mm, so that the repeated positioning precision of the clamping part relative to the main body part is ensured.
5. The reducing internal spline gear shaping clamp according to claim 1, characterized in that the gland (8) is in threaded connection with the positioning seat (6), wherein the gland (8) compresses the sleeve (7) from the top end thereof.
6. The reducing internal spline gear shaping fixture of claim 1 wherein the clamping portion that mates with the body portion has multiple dimensional specifications to clamp workpieces of different diameters.
CN202120476761.XU 2021-03-04 2021-03-04 Reducing internal spline gear shaping clamp Active CN214602331U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120476761.XU CN214602331U (en) 2021-03-04 2021-03-04 Reducing internal spline gear shaping clamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120476761.XU CN214602331U (en) 2021-03-04 2021-03-04 Reducing internal spline gear shaping clamp

Publications (1)

Publication Number Publication Date
CN214602331U true CN214602331U (en) 2021-11-05

Family

ID=78393129

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120476761.XU Active CN214602331U (en) 2021-03-04 2021-03-04 Reducing internal spline gear shaping clamp

Country Status (1)

Country Link
CN (1) CN214602331U (en)

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