CN220260278U - Annular part processing jig - Google Patents
Annular part processing jig Download PDFInfo
- Publication number
- CN220260278U CN220260278U CN202321276984.7U CN202321276984U CN220260278U CN 220260278 U CN220260278 U CN 220260278U CN 202321276984 U CN202321276984 U CN 202321276984U CN 220260278 U CN220260278 U CN 220260278U
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- sliding block
- block
- annular part
- baffle
- inclined surface
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- 238000001125 extrusion Methods 0.000 claims abstract description 8
- 238000003825 pressing Methods 0.000 claims description 24
- 238000003754 machining Methods 0.000 claims description 17
- 238000009825 accumulation Methods 0.000 abstract description 2
- 239000000758 substrate Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Jigs For Machine Tools (AREA)
Abstract
The utility model discloses an annular part processing jig, which comprises: the cylinder is fixedly arranged on the lower surface of the substrate and is used for clamping an annular part, the upper end of a piston rod of the cylinder is connected with a movable block, a left sliding block and a right sliding block which can move in the left-right direction are symmetrically arranged on the upper surface of the movable block and can move up and down along with the piston rod of the cylinder, a spring in an extrusion state is connected between the left sliding block and the right sliding block, at least one baffle is arranged between the left sliding block and the right sliding block and above the spring, and the other end of the baffle is embedded into a guide groove formed in the right sliding block or the left sliding block and is in sliding fit with the inner wall of the guide groove. The utility model not only enhances the guiding limit and improves the position precision and stability of clamping, but also effectively blocks the movement of the sliding block caused by accumulation of scraps, thereby improving the service life of the jig and the consistency and stability of the clamping precision.
Description
Technical Field
The utility model relates to an annular part machining jig, and belongs to the technical field of CNC machining jigs.
Background
CNC machines are automated machines equipped with a program control system that is more accurate and efficient in machining workpieces, and therefore, more and more workpiece machining tends to be performed with CNC machines, which typically use a jig to hold the part while machining the part. However, when processing an annular structural product with a complex structure, the product is generally required to be processed with multiple angles and large cutting force, and the clamping jig in the prior art cannot provide stable and reliable positioning and clamping force at all angles, so that the position of the annular part is deviated, and the processing position precision is affected; in addition, scraps generated in the cutting process are easy to fly into the jig, so that the jig is damaged.
Disclosure of Invention
The utility model aims to provide an annular part machining jig which not only enhances guiding and limiting and improves the position precision and stability of clamping, but also effectively blocks debris accumulation and blocks sliding block movement and improves the service life of the jig and the consistency and stability of the clamping precision while realizing stable clamping of annular parts.
In order to achieve the above purpose, the utility model adopts the following technical scheme: an annular part machining jig, comprising: the cylinder is fixedly arranged on the lower surface of the base plate and is used for clamping the annular part, a positioning block is arranged on the upper surface of the base plate and right above the cylinder, and the lower surface of the annular part is in surface contact with the upper surface of the positioning block;
the upper end of a piston rod of the cylinder is connected with a movable block, a clearance through hole for the movable block to penetrate out is formed in the base plate, a clearance groove for the movable block to be embedded is formed in the lower surface of the positioning block, a left sliding block and a right sliding block which can move in the left-right direction are symmetrically arranged on the upper surface of the movable block which can move up and down along with the piston rod of the cylinder, a first inclined surface is arranged on the left side of the left sliding block and the right side of the right sliding block, a strip-shaped hole communicated with the clearance groove is formed in the upper surface of the positioning block, second inclined surfaces which are correspondingly matched with the 2 first inclined surfaces are arranged on the left inner wall and the right inner wall of the strip-shaped hole extending in the left-right direction, and the upper ends of the first inclined surface and the second inclined surface are respectively positioned on the inner sides of the lower ends of the first inclined surface and the second inclined surface;
the upper ends of the left sliding block and the right sliding block respectively penetrate through the strip-shaped holes and are provided with an outwards extending pressure head, the lower surface of each pressure head can be in pressing contact with the edge of the inner ring of the annular part, a spring in an extrusion state is connected between the left sliding block and the right sliding block, at least one baffle is arranged between the left sliding block and the right sliding block and above the spring, one end of the baffle which is horizontally arranged is embedded and installed on the left sliding block or the right sliding block, and the other end of the baffle is embedded and installed in a guide groove on the right sliding block or the left sliding block and is in sliding fit with the inner wall of the guide groove.
The further improved scheme in the technical scheme is as follows:
1. in the scheme, the width of the baffle plate is the same as that of the strip-shaped hole.
2. In the scheme, the baffle is arranged on the upper parts of the left sliding block and the right sliding block.
3. In the above scheme, one of the 2 baffle plates which are arranged at intervals in the vertical direction is fixedly connected with the left sliding block, and the other baffle plate is fixedly connected with the right sliding block.
4. In the scheme, the annular part is a shell of the intelligent watch.
5. In the above scheme, the left slider, right slider all further include: the pressing head comprises a body part with a first inclined plane, a sliding part positioned below the body part and a pressing part positioned above the body part, wherein the sliding part is slidably arranged on the movable block, and the pressing head is arranged at the upper end of the pressing part.
6. In the above scheme, the spring is mounted on the sliding part.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
the utility model relates to an annular part processing jig, which is characterized in that a left sliding block and a right sliding block which can move in the left-right direction are symmetrically arranged on the upper surface of a movable block capable of moving up and down along with a piston rod of an air cylinder, a first inclined surface is arranged on the left side of the left sliding block and the right side of the right sliding block, a strip-shaped hole communicated with a clearance groove is arranged on the upper surface of a positioning block, second inclined surfaces which are correspondingly matched with 2 first inclined surfaces are arranged on the left inner wall and the right inner wall of the strip-shaped hole extending in the left-right direction, the upper ends of the first inclined surface and the second inclined surface are respectively positioned at the inner side of the lower end of the first inclined surface, the upper ends of the left sliding block and the right sliding block respectively penetrate through the strip-shaped hole and are provided with an outwards extending pressure head, the lower surface of each pressure head can be in pressing contact with the edge of an inner ring of an annular part, a spring in an extrusion state is connected between the left sliding block and the right sliding block, the device comprises a left sliding block and a right sliding block, wherein at least one baffle is arranged between the left sliding block and the right sliding block and above a spring, one end of the baffle which is horizontally arranged is embedded and installed on the left sliding block or the right sliding block, the other end of the baffle is embedded and arranged in a guide groove on the right sliding block or the left sliding block and is in sliding fit with the inner wall of the guide groove, the annular part is stably clamped, the guide limiting between the left sliding block and the right sliding block is enhanced through the baffle, the deviation of the moving path of the sliding block in the long-time reciprocating movement process is avoided, the position precision and the stability of the part clamping are improved, the moving path of the sliding block can be effectively blocked due to the fact that scraps generated in the part milling process are accumulated between the 2 sliding blocks, and the consistency and the stability of the whole service life and the clamping precision of the jig are further improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the annular part processing jig of the utility model;
FIG. 2 is a schematic view showing the partial disassembly of the annular part processing jig of the utility model;
FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 1;
FIG. 4 is a schematic view of a partial structure of the tool for machining annular parts of the present utility model;
FIG. 5 is a schematic diagram of the clamping state of the pressure head of the annular part processing jig;
fig. 6 is a schematic diagram of the press head non-clamping state of the annular part processing jig of the utility model.
In the above figures: 100. an annular part; 101. positioning holes; 1. a substrate; 2. a cylinder; 3. a positioning block; 301. an annular protruding portion; 302. a positioning pin; 4. a movable block; 5. a clearance through hole; 6. a clearance groove; 71. a left slider; 72. a right slider; 73. a mounting groove; 74. a body portion; 75. a sliding part; 76. a pressing part; 81. a first inclined surface; 82. a second inclined surface; 9. a bar-shaped hole; 10. a pressure head; 11. a spring; 12. a baffle; 13. a guide groove; 141. a slide bar; 142. and a sliding groove.
Description of the embodiments
The present patent will be further understood by the specific examples given below, which are not intended to be limiting.
Example 1: an annular part machining jig, comprising: the cylinder 2 is fixedly arranged on the lower surface of the base plate 1 and is used for clamping the annular part 100, a positioning block 3 is arranged on the upper surface of the base plate 1 and right above the cylinder 2, and the lower surface of the annular part 100 is in surface contact with the upper surface of the positioning block 3;
the upper end of a piston rod of the air cylinder 2 is connected with a movable block 4, a clearance through hole 5 for the movable block 4 to penetrate is formed in the base plate 1, a clearance groove 6 for the movable block 4 to be embedded is formed in the lower surface of the positioning block 3, a left sliding block 71 and a right sliding block 72 which can move in the left-right direction are symmetrically arranged on the upper surface of the movable block 4 which can move up and down along with the piston rod of the air cylinder 2, a first inclined surface 81 is arranged on the left side of the left sliding block 71 and the right side of the right sliding block 72, a strip-shaped hole 9 communicated with the clearance groove 6 is formed in the upper surface of the positioning block 3, second inclined surfaces 82 which are correspondingly matched with the 2 first inclined surfaces 81 are arranged on the left inner wall and the right inner wall of the strip-shaped hole 9 which extend in the left-right direction, and the upper ends of the first inclined surface 81 and the second inclined surface 82 are respectively positioned on the inner sides of the lower ends of the first inclined surface 81 and the second inclined surface 82;
when the cylinder is lifted and the piston rod of the cylinder is in an extension state, the 2 sliding blocks move upwards along with the movable block, and under the cooperation of the first inclined surface on the sliding block fixedly arranged on the base plate and the second inclined surface on the positioning block, the sliding rail and the second inclined surface slide inwards along the left-right direction, so that the jaw size between the 2 pressing heads is reduced, and the installation of parts is facilitated;
the upper ends of the left slide block 71 and the right slide block 72 respectively penetrate through the strip-shaped holes 9 and are provided with an outwards extending pressure head 10, the lower surface of each pressure head 10 can be in pressing contact with the edge of the inner ring of the annular part 100, a spring 11 in an extrusion state is connected between the left slide block 71 and the right slide block 72, at least one baffle plate 12 is arranged between the left slide block 71 and the right slide block 72 and above the spring 11, one end of the baffle plate 12 which is horizontally arranged is embedded and installed on the left slide block 71 or the right slide block 72, and the other end of the baffle plate 12 is embedded and installed in a guide groove 13 on the right slide block 72 or the left slide block 71 and is in sliding fit with the inner wall of the guide groove 13;
in the process of reciprocating movement of the 2 sliding blocks, the springs in the compressed state apply symmetrical extrusion force to the 2 sliding blocks, so that the respective first inclined planes of the 2 sliding blocks always keep close fit with the corresponding second inclined planes, the consistency of symmetry and paths of the 2 sliding blocks in the moving process is guaranteed, the paths of the 2 sliding blocks moving are further guided and limited through the arranged baffle plates, the sliding blocks are prevented from being shifted in all directions after long-term high-frequency use, and the precision of the pressing head in pressing and positioning of the part is improved.
The width of the baffle plate 12 is the same as the width of the strip-shaped hole 9.
The shutter 12 is attached to the upper portions of the left slider 71 and the right slider 72.
One of the 2 baffle plates 12 arranged at intervals in the vertical direction is fixedly connected with the left slide block 71, and the other baffle plate is fixedly connected with the right slide block 72.
The above-mentioned ring-shaped part 100 is a housing of a smart watch.
The left slider 71 and the right slider 72 further each include: the pressing head 10 is provided at an upper end of the pressing portion 76, and the pressing portion 76 is provided above the body portion 74, the sliding portion 75 is slidably mounted on the movable block 4, and the sliding portion 74 is provided below the body portion 74, and the pressing portion 74 is provided on the movable block 4.
The spring 11 is attached to the sliding portion 75.
Example 2: an annular part machining jig, comprising: the cylinder 2 is fixedly arranged on the lower surface of the base plate 1 and is used for clamping the annular part 100, a positioning block 3 is arranged on the upper surface of the base plate 1 and right above the cylinder 2, and the lower surface of the annular part 100 is in surface contact with the upper surface of the positioning block 3;
the upper end of a piston rod of the air cylinder 2 is connected with a movable block 4, a clearance through hole 5 for the movable block 4 to penetrate is formed in the base plate 1, a clearance groove 6 for the movable block 4 to be embedded is formed in the lower surface of the positioning block 3, a left sliding block 71 and a right sliding block 72 which can move in the left-right direction are symmetrically arranged on the upper surface of the movable block 4 which can move up and down along with the piston rod of the air cylinder 2, a first inclined surface 81 is arranged on the left side of the left sliding block 71 and the right side of the right sliding block 72, a strip-shaped hole 9 communicated with the clearance groove 6 is formed in the upper surface of the positioning block 3, second inclined surfaces 82 which are correspondingly matched with the 2 first inclined surfaces 81 are arranged on the left inner wall and the right inner wall of the strip-shaped hole 9 which extend in the left-right direction, and the upper ends of the first inclined surface 81 and the second inclined surface 82 are respectively positioned on the inner sides of the lower ends of the first inclined surface 81 and the second inclined surface 82;
the upper ends of the left slide block 71 and the right slide block 72 respectively penetrate through the strip-shaped holes 9 and are provided with an outwards extending pressure head 10, the lower surface of each pressure head 10 can be in pressing contact with the edge of the inner ring of the annular part 100, a spring 11 in an extrusion state is connected between the left slide block 71 and the right slide block 72, at least one baffle plate 12 is arranged between the left slide block 71 and the right slide block 72 and above the spring 11, one end of the baffle plate 12 which is horizontally arranged is embedded and installed on the left slide block 71 or the right slide block 72, and the other end of the baffle plate 12 is embedded and installed in a guide groove 13 on the right slide block 72 or the left slide block 71 and is in sliding fit with the inner wall of the guide groove 13;
loading the annular part to be processed into a designated position, and positioning the annular part through a positioning hole on the annular part and a positioning pin on a positioning block, wherein at the moment, the 2 pressure heads are positioned above the inner ring area of the annular part;
the cylinder is pulled down to switch the piston rod of the cylinder into a contracted state, in the process, the 2 sliding blocks move downwards along with the movable block, and simultaneously, under the cooperation of the first inclined surface on the sliding block and the second inclined surface on the positioning block fixedly arranged on the base plate, the sliding rail and the second inclined surface slide outwards along the left-right direction, the jaw size between the 2 pressure heads is increased until the annular part is pressed from the upper part, so that the clamping and positioning of the annular part are realized;
the separation blade can effectively block flying chip that produces in the follow-up course of working and pile up between 2 sliders, further increases the life to the slider and the holistic performance stability of tool.
The upper surface of the positioning block 3 is located outside the strip-shaped hole 9 and is provided with an annular protruding portion 301, and the upper surface of the annular protruding portion 301 is in surface contact with the lower surface of the annular part 100.
The upper surface of the positioning block 3 is provided with at least 2 positioning pins 302 which are distributed at intervals along the circumferential direction, and the upper ends of the positioning pins 302 which are vertically arranged are embedded into the positioning holes 101 on the annular part 100.
The end surfaces at the left and right ends of the movable block 4 are in sliding contact with the inner wall of the avoidance through hole 5.
The left slider 71 and the right slider 72 are provided with a mounting groove 73 on each surface thereof, and both ends of the horizontally arranged spring 11 are inserted into the mounting groove 73 for ground.
The mounting groove 73 is located at the lower portions of the left slider 71 and the right slider 72.
The left slider 71 and the right slider 72 are respectively connected with the movable block 4 in a matching manner through 2 groups of sliding strips 141 and sliding grooves 142.
The working principle of the utility model is as follows:
when the cylinder is lifted and the piston rod of the cylinder is in an extension state, the 2 sliding blocks move upwards along with the movable block, and under the cooperation of the first inclined surface on the sliding block fixedly arranged on the base plate and the second inclined surface on the positioning block, the sliding rail and the second inclined surface slide inwards along the left-right direction, so that the jaw size between the 2 pressing heads is reduced, and the installation of parts is facilitated;
loading the annular part to be processed into a designated position, and positioning the annular part through a positioning hole on the annular part and a positioning pin on a positioning block, wherein at the moment, the 2 pressure heads are positioned above the inner ring area of the annular part;
the cylinder is pulled down to switch the piston rod of the cylinder into a contracted state, in the process, the 2 sliding blocks move downwards along with the movable block, and simultaneously, under the cooperation of the first inclined surface on the sliding block and the second inclined surface on the positioning block fixedly arranged on the base plate, the sliding rail and the second inclined surface slide outwards along the left-right direction, the jaw size between the 2 pressure heads is increased until the annular part is pressed from the upper part, so that the clamping and positioning of the annular part are realized;
in the process of reciprocating movement of the 2 sliding blocks, the springs in a compressed state apply symmetrical extrusion force to the 2 sliding blocks, so that the first inclined planes of the 2 sliding blocks always keep close fit with the corresponding second inclined planes, the consistency of symmetry and paths of the 2 sliding blocks in the moving process is ensured, the paths of the 2 sliding blocks are further guided and limited through the arranged baffle plates, the sliding blocks are prevented from being shifted in all directions after long-term high-frequency use, and the precision of the pressing head for pressing and positioning the parts is improved;
meanwhile, the blocking piece can effectively block flying scraps generated in the subsequent processing process from entering between 2 sliding blocks to be accumulated, so that the service life of the sliding blocks and the overall performance stability of the jig are further prolonged.
When adopting above-mentioned annular part processing tool, it has both strengthened the direction spacing between the slider about to when realizing carrying out stable centre gripping to annular part through the separation blade, avoids long-time reciprocating motion in-process slider moving's route to take place the skew to improve the position accuracy and the stability to the spare centre gripping, can effectively block again and pile up between 2 sliders and block slider moving route to the piece that produces in the part milling process, further improve the holistic life of tool and uniformity, the stability of centre gripping precision.
The above embodiments are provided to illustrate the technical concept and features of the present utility model and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same, and are not intended to limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.
Claims (7)
1. An annular part machining jig, comprising: the cylinder (2) is fixedly arranged on the lower surface of the base plate (1), and is characterized in that: the clamping device is used for clamping an annular part (100), a positioning block (3) is arranged on the upper surface of the base plate (1) and positioned right above the air cylinder (2), and the lower surface of the annular part (100) is in surface contact with the upper surface of the positioning block (3);
the upper end of a piston rod of the air cylinder (2) is connected with a movable block (4), a base plate (1) is provided with a clearance through hole (5) for the movable block (4) to penetrate, the lower surface of the positioning block (3) is provided with a clearance groove (6) for the movable block (4) to be embedded, a left sliding block (71) and a right sliding block (72) which can move in the left-right direction are symmetrically arranged on the upper surface of the movable block (4) which can move up and down along with the piston rod of the air cylinder (2), the left side of the left sliding block (71) and the right side of the right sliding block (72) are respectively provided with a first inclined surface (81), the upper surface of the positioning block (3) is provided with a strip-shaped hole (9) communicated with the clearance groove (6), the left inner wall and the right inner wall of the strip-shaped hole (9) which extends in the left-right direction are respectively provided with a second inclined surface (82) which is correspondingly matched with the 2 first inclined surfaces (81), and the upper ends of the first inclined surface (81) and the second inclined surface (82) are respectively located at the lower ends of the inner sides of the first inclined surface and the second inclined surface.
The upper ends of the left sliding block (71) and the right sliding block (72) penetrate through the strip-shaped holes (9) and are provided with outwards extending pressure heads (10), the lower surface of each pressure head (10) can be in pressing contact with the edge of the inner ring of the annular part (100), a spring (11) in an extrusion state is connected between the left sliding block (71) and the right sliding block (72), at least one baffle (12) is arranged between the left sliding block (71) and the right sliding block (72) and above the spring (11), one end of the baffle (12) which is horizontally arranged is embedded and installed on the left sliding block (71) or the right sliding block (72), and the other end of the baffle (12) is embedded and installed in a guide groove (13) on the right sliding block (72) or the left sliding block (71) and is in sliding fit with the inner wall of the guide groove (13).
2. The annular part machining jig according to claim 1, wherein: the width of the baffle (12) is the same as that of the strip-shaped hole (9).
3. The annular part machining jig according to claim 1, wherein: the baffle (12) is arranged at the upper parts of the left sliding block (71) and the right sliding block (72).
4. The annular part machining jig according to claim 1, wherein: one of the 2 baffle plates (12) which are arranged at intervals in the vertical direction is fixedly connected with the left sliding block (71), and the other baffle plate is fixedly connected with the right sliding block (72).
5. The annular part machining jig according to claim 1, wherein: the annular part (100) is a housing of a smart watch.
6. The annular part machining jig according to claim 1, wherein: the left slider (71) and the right slider (72) each further comprise: the pressing head comprises a body part (74) with a first inclined surface (81), a sliding part (75) positioned below the body part (74) and a pressing part (76) positioned above the body part (74), wherein the sliding part (75) is slidably installed on the movable block (4), and the pressing head (10) is arranged at the upper end of the pressing part (76).
7. The annular part machining jig according to claim 6, wherein: the spring (11) is mounted on the sliding part (75).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321276984.7U CN220260278U (en) | 2023-05-25 | 2023-05-25 | Annular part processing jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321276984.7U CN220260278U (en) | 2023-05-25 | 2023-05-25 | Annular part processing jig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220260278U true CN220260278U (en) | 2023-12-29 |
Family
ID=89302418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321276984.7U Active CN220260278U (en) | 2023-05-25 | 2023-05-25 | Annular part processing jig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220260278U (en) |
-
2023
- 2023-05-25 CN CN202321276984.7U patent/CN220260278U/en active Active
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