CN217833233U

CN217833233U - Tool for grinding shape of splayed hole workpiece

Info

Publication number: CN217833233U
Application number: CN202221053832.6U
Authority: CN
Inventors: 刘洪根
Original assignee: Wuxi Six Machine Tool Co ltd
Current assignee: Wuxi Six Machine Tool Co ltd
Priority date: 2022-05-05
Filing date: 2022-05-05
Publication date: 2022-11-18
Anticipated expiration: 2032-05-05

Abstract

The utility model provides a tool for grinding the shape of a splayed workpiece, which comprises a mandrel inserted in a through hole of the workpiece, wherein the two axial ends of the mandrel are correspondingly arranged with the top of a machine tool; the front elastic sleeve is sleeved on the mandrel and is tightly connected with an inner hole at one end of the workpiece; the rear elastic sleeve is sleeved on the other end of the mandrel and is fixedly connected with the inner hole at the other end of the workpiece; the locking piece sleeve is established at the dabber and is close to one end of back elastic sleeve, is located the outside of work piece, and the locking piece pushes away tightly and compresses back elastic sleeve and preceding elastic sleeve and support between dabber and work piece inner wall towards work piece inside. The utility model discloses a dabber, preceding elastic sleeve, back elastic sleeve and lock piece have reached the fastening effect between dabber and the work piece, can effectively avoid because the error that the location produced many times, are adapted to the work piece of splayed more.

Description

Tool for grinding appearance of splayed hole workpiece

Technical Field

The utility model belongs to the technical field of the grinding and specifically relates to a eight characters hole work piece grinding field specifically is a frock is used to eight characters hole work piece grinding appearance.

Background

The existing special-shaped splayed workpiece is shown in an attached drawing 3, the workpiece is symmetrical in shape and inner wall structure from top to bottom and from left to right, the upper end and the lower end of the workpiece are both arc-shaped, the left side and the right side of the workpiece are linear, two devices are needed to be used in grinding and machining, one device is used for machining the arc-shaped parts at the upper end and the lower end in a swinging mode, the other device is used for machining the plane structures at the left side and the right side of the workpiece, the workpiece direction can be turned off in the production process, and the device is replaced.

Disclosure of Invention

In view of the above shortcomings in the prior art, an object of the present invention is to provide a tool for grinding figure of splayed hole workpiece, which is used for solving the difficulties in the prior art.

In order to realize above-mentioned purpose and other relevant mesh, the utility model provides a frock is used to splayed hole work piece grinding appearance, include:

the core shaft 1 is inserted into the through hole of the workpiece 2, and two axial ends of the core shaft 1 are correspondingly arranged with the tip of a machine tool;

the front elastic sleeve 3 is sleeved on the mandrel 1 and is fixedly connected with an inner hole at one end of the workpiece 2;

the rear elastic sleeve 4 is sleeved on the other end of the mandrel 1 and is fixedly connected with the inner hole at the other end of the workpiece 2;

locking piece 5, locking piece 5 cover is established and is served at dabber 1 one near back elastic sleeve 4, is located the outside of work piece 2, locking piece 5 is inside to be pushed up and will be back elastic sleeve 4 and preceding elastic sleeve 3 compression and support between dabber 1 and 2 inner walls of work piece 2 towards work piece 2.

According to the preferred scheme, the mandrel 1 is provided with a pair of structures corresponding to the splayed holes in the workpiece 2.

According to a preferable scheme, the mandrel 1 is integrally provided with a left end shaft 101, a left taper shaft 102, a central shaft 103, a right taper shaft 104, a locking shaft 105 and a right end shaft 106 from left to right;

the left outer diameter of the left taper shaft 102 and the right taper shaft 104 is larger than the right outer diameter;

the right side outer diameter of the left tapered shaft 102 is the same as the left side outer diameter of the right tapered shaft 104 and the outer diameter of the central shaft 103.

According to a preferable scheme, an alignment shaft 107 is further integrally arranged between the left end shaft 101 and the left taper shaft 102, and the outer diameter of the alignment shaft 107 is the same as the outer diameter of the left side of the left taper shaft 102.

According to the preferred scheme, the front elastic sleeve 3 comprises an elastic structure which is formed by S-shaped edges in a surrounding mode and can be expanded or compressed, a gap 6 is arranged between the S-shaped edges, the inner diameter of the left side of the front elastic sleeve 3 is larger than that of the right side of the front elastic sleeve, and a step 7 formed by extending outwards is arranged on the left side of the front elastic sleeve 3 in the circumferential direction.

According to the preferred scheme, the rear elastic sleeve 4 comprises an elastic structure which is encircled into a ring by S-shaped edges and can be expanded or compressed, a gap 6 is arranged between the S-shaped edges, and the inner diameter of the left side of the front elastic sleeve 3 is larger than that of the right side.

According to a preferred embodiment, the sides of the front elastic sleeve 3 and the rear elastic sleeve 4 which are close to each other are in a plane structure.

According to the preferred scheme, a pair of parallel left ring groove 8 and right ring groove 9 are arranged on the circumference of the front elastic sleeve 3 and the rear elastic sleeve 4, and the lines of the bottoms of the left ring groove 8 and the right ring groove 9 are parallel to the side edge of the S-shaped edge.

According to the preferable scheme, eight groups of S-shaped edges of the front elastic sleeve 3 and the rear elastic sleeve 4 are respectively arranged in an annular array shape at equal intervals.

According to the preferred scheme, the front elastic sleeve 3 and the rear elastic sleeve 4 are both made of elastic steel materials.

According to a preferred scheme, the locking shaft 105 is axially provided with external threads, the corresponding locking piece 5 is installed on the locking shaft 105 through a bolt, and the bolt which is perpendicular to the mandrel 1 is installed on the locking piece 5 from outside to inside and screwed.

According to a preferred embodiment, the locking member 5 is a nut.

According to a preferred scheme, four groups of bolts are arranged in an annular array.

The utility model discloses a dabber, preceding elastic sleeve, back elastic sleeve and lock piece have reached the fastening effect between dabber and the work piece, can effectively avoid because the error that the location produced many times, are adapted to the work piece of splayed more.

The following description of the preferred embodiments for carrying out the present invention will be made in detail with reference to the accompanying drawings so that the features and advantages of the present invention can be easily understood.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a left side view of the present invention;

FIG. 3 is a schematic view of a workpiece according to the present invention;

fig. 4 is a schematic view of the mandrel according to the present invention;

FIG. 5 is a front enlarged view of the front elastic sleeve of the present invention;

fig. 6 is an enlarged schematic view of the internal structure of the front elastic sleeve according to the present invention;

fig. 7 is a schematic view showing the rear elastic sleeve according to the present invention;

fig. 8 is an enlarged schematic view of the internal structure of the rear elastic sleeve according to the present invention;

description of the reference symbols

1. A mandrel, 101, a left end shaft, 102, a left taper shaft, 103, a central shaft, 104, a right taper shaft, 105, a locking shaft, 106, a right end shaft, 107 and an alignment shaft;

2. a workpiece; 3. a front elastic sleeve; 4. a rear elastic sleeve; 5. a locking member; 6. a gap; 7. a step; 8. a left ring groove; 9. and a right ring groove.

Detailed Description

In order to make the technical solution of the present invention's purpose, technical solution and advantages clearer, the following description will be combined with the drawings of the specific embodiments of the present invention, to carry out clear and complete description on the technical solution of the embodiments of the present invention. Like reference numerals in the drawings denote like elements. It should be noted that the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.

Possible embodiments within the scope of the invention may have fewer components, have other components not shown in the figures, different components, differently arranged components or differently connected components, etc. than the embodiments shown in the figures. Further, two or more of the components in the drawings may be implemented in a single component, or a single component shown in the drawings may be implemented as a plurality of separate components.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and in the claims is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used only to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

The utility model provides a frock is used to splayed hole work piece grinding appearance for in the grinding technology, the utility model discloses a structure specially adapted is in the splayed work piece of inside and outside all symmetries about from top to bottom.

Generally, the utility model provides a frock is used to splayed hole work piece grinding appearance mainly includes dabber 1, preceding elastic sleeve 3, back elastic sleeve 4 and locking piece 5. Reference may be made to fig. 1, which shows the arrangement of the mandrel 1, the front elastic sleeve 3, the rear elastic sleeve 4 and the locking member 5.

Because the splayed workpiece is also provided with a splayed hole, a pair of mandrels 1 is provided in the tool to be inserted into the splayed hole, the two axial ends of the mandrels 1 are correspondingly arranged with the tip of a machine tool, the splayed workpiece can be conveniently arranged on the machine tool, and the mandrels are simple in structure due to simple installation, can effectively avoid errors caused by multiple positioning and are more suitable for the splayed workpiece;

further, through elastic sleeve 3 before installing respectively with back elastic sleeve 4 about the axial of dabber 1 both ends, because preceding elastic sleeve 3 and back elastic sleeve 4 are elastic structure formation, can strut or compress, establish the locking piece 5 of establishing as the cover and serve near one of back elastic sleeve 4 and constantly rotate the locking at dabber 1, elastic sleeve 3 before the extrusion and back elastic sleeve 4, elastic sleeve 3 and back elastic sleeve 4 before dabber 1 constantly extrudes simultaneously, make preceding elastic sleeve 3 and back elastic sleeve 4 constantly extrude all around until with splayed work piece inner wall interference installation, then set up the bolt through the annular array form that is located locking piece 5 circumference all around and twist fixedly, preferably, locking piece 5 adopts the nut, convenient purchase, effective reduce cost, but can guarantee the stability and the fastening of frock.

As described above, the front elastic sleeve 3 and the rear elastic sleeve 4 can be stably sleeved on the mandrel 1, for this reason, the mandrel 1 is arranged corresponding to the splayed workpiece 2 to form a structure with a left end shaft 101, a left taper shaft 102, a central shaft 103, a right taper shaft 104, a locking shaft 105 and a right end shaft 106 which are sequentially and integrally arranged from left to right, wherein the outer diameters of the left end shaft 101 and the right end shaft 106 are the smallest, and the structure is used for penetrating into the workpiece 2 and is also an alignment structure installed with a frame; further, in order to clamp the front elastic sleeve 3 and the rear elastic sleeve 4, the left outer diameter of the left tapered shaft 102 and the right tapered shaft 104 is configured to be larger than the right outer diameter to form a taper, and in addition, the right outer diameter of the left tapered shaft 102 is the same as the left outer diameter of the right tapered shaft 104 and the outer diameter of the central shaft 103 is the same for intermediate transition support.

What should be specifically described is the front elastic sleeve 3 and the rear elastic sleeve 4 respectively installed with the left taper shaft 102 and the right taper shaft 104, wherein the front elastic sleeve 3 and the rear elastic sleeve 4 are both arranged into a structure that can be expanded or compressed by an S-shaped edge surrounding into an annular elastic structure, the inner diameter of the left side is larger than that of the right side, a gap 6 is further provided between the S-shaped edges, by using the gap 6, when the inside generates a desired external pressure, the purpose of expanding the front elastic sleeve 3 and the rear elastic sleeve 4 can be realized, and when the supporting force at the center is cancelled, the front elastic sleeve 3 and the rear elastic sleeve 4 can be retracted inwards to return to the initial state; in this embodiment, in order to correspond to the structure in which the middle portions of the splayed workpieces 2 are overlapped with each other, the sides of the front elastic sleeve 3 and the rear elastic sleeve 4, which are close to each other, are preferably in a planar structure, and the relative rotation between the two can be avoided in the using process, so that a group of fixed structures is achieved.

On this basis preferably, the axial of locking shaft 105 is provided with the external screw thread, and corresponding locking piece 5 passes through the bolt and installs on locking shaft 105, and installs the bolt that is perpendicular to dabber 1 from outside to inside on locking piece 5 and twist admittedly, in order to prevent the excessive locking of locking piece 5, the left side circumference of elastic sleeve 3 is provided with the step 7 that outwards extends the formation in the front, and the left side of work piece 2 is supported and is established on step 7, more can be favorable to locking piece 5 to promote and lock towards the left side of work piece 2.

On this basis, it is preferable that an alignment shaft 107 is further integrally provided between the left end shaft 101 and the left taper shaft 102, an outer diameter of the alignment shaft 107 is the same as a left outer diameter of the left taper shaft 102, and the alignment shaft 107 is provided to achieve accuracy of manufacturing the tapered left taper shaft 102 and the tapered right taper shaft 104 on the mandrel 1, and accuracy of manufacturing the workpiece 2 is only the accuracy of the mandrel 1.

As shown in fig. 5, 6, 7 and 8, eight groups of preferred S-shaped edges of the front elastic sleeve 3 and the rear elastic sleeve 4 are respectively arranged in an annular array shape at equal intervals, a pair of parallel left ring groove 8 and right ring groove 9 are arranged in the circumferential direction of the front elastic sleeve 3 and the rear elastic sleeve 4, the line of the bottom of the left ring groove 8 and the bottom of the right ring groove 9 are parallel to the side edge of the S-shaped edge, and similarly, the straight line lengths of the S-shaped edges extending upwards to the bottoms of the left ring groove 8 and the right ring groove 9 are the same, so that the pressures applied to the circumferential direction by the front elastic sleeve 3 and the rear elastic sleeve 4 can be effectively ensured to be the same, the accuracy in the later grinding process can be ensured, and the workpiece can meet the requirement of symmetry.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention shall be covered by the claims of the present invention.

Claims

1. The utility model provides a frock is used to splayed hole work piece grinding appearance which characterized in that includes:

the mandrel (1) is inserted into the through hole of the workpiece (2), and two axial ends of the mandrel (1) are correspondingly installed with the tip of a machine tool;

the front elastic sleeve (3) is sleeved on the mandrel (1) and is fixedly connected with an inner hole at one end of the workpiece (2);

the rear elastic sleeve (4) is sleeved on the other end of the mandrel (1) and is fixedly connected with the inner hole at the other end of the workpiece (2);

locking piece (5), locking piece (5) cover is established and is served in dabber (1) one of being close to back elastic sleeve (4), is located the outside of work piece (2), locking piece (5) push away tightly and will back elastic sleeve (4) and preceding elastic sleeve (3) compression and support between dabber (1) and work piece (2) inner wall towards work piece (2) inside.

2. The tool for grinding the shape of the splayed hole workpiece according to claim 1, wherein the mandrel (1) is integrally provided with a left end shaft (101), a left taper shaft (102), a central shaft (103), a right taper shaft (104), a locking shaft (105) and a right end shaft (106) from left to right;

the left outer diameter of the left taper shaft (102) and the right outer diameter of the right taper shaft (104) are larger than the right outer diameter;

the right outer diameter of the left taper shaft (102) is the same as the left outer diameter of the right taper shaft (104) and the outer diameter of the central shaft (103).

3. The frock for grinding the outer shape of the splayed hole workpiece according to claim 2, wherein an alignment shaft (107) is further integrally arranged between the left end shaft (101) and the left taper shaft (102), and the outer diameter of the alignment shaft (107) is the same as the outer diameter of the left side of the left taper shaft (102).

4. The frock is used in splayed hole work piece grinding appearance of claim 3, characterized in that, preceding elastic sleeve (3) include by S type limit around annular elastic construction can strut or compress, be provided with clearance (6) between the S type limit, the left side internal diameter of preceding elastic sleeve (3) is greater than the right side internal diameter, the left side circumference of preceding elastic sleeve (3) is provided with outwards extending formation step (7).

5. The frock for grinding the outer shape of the splayed hole workpiece according to claim 4, wherein the rear elastic sleeve (4) comprises an elastic structure which is surrounded by S-shaped edges into a ring shape and can be expanded or compressed, a gap (6) is arranged between the S-shaped edges, and the inner diameter of the left side of the front elastic sleeve (3) is larger than that of the right side.

6. The frock for grinding the outer shape of the splayed hole workpiece according to claim 5, wherein one side of the front elastic sleeve (3) and one side of the rear elastic sleeve (4) close to each other are of a plane structure.

7. The tool for grinding the appearance of the splayed hole workpiece according to claim 6, wherein a pair of parallel left ring groove (8) and right ring groove (9) are arranged on the front elastic sleeve (3) and the rear elastic sleeve (4) in the circumferential direction, and the line of the bottoms of the left ring groove (8) and the right ring groove (9) is parallel to the side edge of the S-shaped edge.

8. The tool for grinding the outer shape of the splayed hole workpiece according to claim 7, wherein an external thread is axially arranged on the locking shaft (105), the corresponding locking piece (5) is installed on the locking shaft (105) through a bolt, and the bolt perpendicular to the mandrel (1) is installed on the locking piece (5) from outside to inside and screwed firmly.