CN214722439U - Tool apron machining clamp - Google Patents
Tool apron machining clamp Download PDFInfo
- Publication number
- CN214722439U CN214722439U CN202120958464.9U CN202120958464U CN214722439U CN 214722439 U CN214722439 U CN 214722439U CN 202120958464 U CN202120958464 U CN 202120958464U CN 214722439 U CN214722439 U CN 214722439U
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- Prior art keywords
- tool apron
- pressing
- limiting blocks
- supporting
- blocks
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- 238000003754 machining Methods 0.000 title claims description 12
- 238000003825 pressing Methods 0.000 claims abstract description 61
- 230000007246 mechanism Effects 0.000 claims abstract description 45
- 230000003139 buffering effect Effects 0.000 claims description 5
- 229920001971 elastomer Polymers 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 5
- 238000003801 milling Methods 0.000 abstract 1
- 230000000903 blocking effect Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a tool apron processing clamp, which is characterized by comprising a clamp seat, a supporting positioning block, two lateral pressing mechanisms, two ejector pins and a left clamping mechanism and a right clamping mechanism; the clamp seat is provided with two limiting blocks which are oppositely distributed in the front and back direction, and a transverse groove is formed between the opposite surfaces of the two limiting blocks; the supporting and positioning block is arranged in the middle of the transverse groove, and an arc-shaped surface matched with the arc-shaped section of the tool apron is arranged at the upper end of the supporting and positioning block; the two side pressing mechanisms are respectively arranged on the two limiting blocks and are rotationally and symmetrically distributed at an angle of 8 degrees; the two ejector pins are respectively arranged on the two limiting blocks and respectively correspond to the two side pressing mechanisms in position one to one; the left and right clamping mechanisms are used for symmetrically clamping the head part and the tail part of the tool apron. The utility model discloses can be used to the blade holder and milling the accurate location of processing segmental arc and compress tightly, loading and unloading convenience and work efficiency height and one press from both sides dual-purpose simultaneously.
Description
Technical Field
The utility model relates to a blade holder adds clamping apparatus.
Background
Referring to fig. 1-2, the knife holder (N) of my knife comprises a holding part (N-1), and a head part (N-2) and a tail part (N-3) are respectively arranged at two ends of the holding part (N-1). The upper side and the lower side of the holding part (N-1) are respectively provided with two arc surfaces (N-11). The gauge seat belongs to a non-standard part, so that a conventional tool or an existing fixture cannot be adopted for positioning and clamping when two arc-shaped surfaces (N-11) of the tool apron (N) are machined, and a special tool or a special fixture needs to be designed and researched.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned defect problem or a plurality of defect problems that exist among the prior art, the utility model provides a blade holder adds clamping apparatus.
In order to achieve the purpose, the utility model provides a cutter holder machining clamp which is characterized by comprising a clamp seat, a supporting positioning block, two lateral pressing mechanisms, two ejector pins and a left clamping mechanism and a right clamping mechanism; the clamp seat is provided with two limiting blocks which are oppositely distributed in the front and back direction, and a transverse groove is formed between the opposite surfaces of the two limiting blocks; the supporting and positioning block is arranged in the middle of the transverse groove, and a supporting and positioning surface matched with the tool apron holding part is arranged at the upper end of the supporting and positioning block; the two side pressing mechanisms are respectively arranged on the two limiting blocks and are rotationally and symmetrically distributed at 180 degrees; the two ejector pins are respectively arranged on the two limiting blocks and respectively correspond to the two side pressing mechanisms in position one to one; the left and right clamping mechanisms are used for symmetrically clamping a head stop part and a tail stop part of the tool apron.
Preferably, the lateral pressing mechanism adopts a lever cylinder.
Preferably, the side pressure mechanism comprises a first telescopic cylinder, a first link arm, a first support arm and a first floating pressure block; the output end of the first telescopic cylinder is hinged with the lower end of a first connecting rod arm, one end of the first connecting rod arm is fixed on the back surface of the limiting block, the middle of the first connecting rod arm is hinged with the other end of the first connecting rod arm, and the first floating pressing block is hinged with the upper end of the first connecting rod arm.
Preferably, the left and right clamping mechanisms comprise a second telescopic cylinder, a linkage arm and two L-shaped pressing blocks; the output end of the second telescopic cylinder faces upwards and is connected with the middle of the linkage arm, two connecting lugs are symmetrically arranged at the left end and the right end of the linkage arm, the two L-shaped pressing blocks are symmetrically distributed at the left end and the right end and are rotatably arranged on the clamp seat, and the two connecting lugs are hinged with the lower ends of the two L-shaped pressing blocks.
Preferably, two buffering pressing blocks are symmetrically arranged on the pressing ends of the two L-shaped pressing blocks.
Preferably, the buffering pressing block is made of a rubber material or a polyurethane material.
The utility model has the advantages that:
firstly, the utility model can be used for accurately positioning, clamping and fixing the tool apron when processing an arc surface, and the operation is very simple when assembling and disassembling;
secondly, the utility model adopts two lateral pressing mechanisms which are in 180-degree rotational symmetric distribution; the two ejector pins correspond to the two side pressing mechanisms one by one respectively, so that the head stop part and the tail stop part of the tool apron can be simultaneously and accurately limited and clamped in the front and back directions, the tool apron can be turned by 180 degrees and then clamped to process the arc-shaped surface on the other side of the tool apron, and the requirement that one clamp can simultaneously process two arc-shaped surfaces is met;
third, the utility model discloses because the blade holder is positioned and can not the back around, about and equidirectional displacement about, can guarantee that the blade holder is simple when adding the benchmark of arcwall face man-hour, the relative position precision, and add stability and reliability man-hour.
Drawings
Fig. 1-2 are schematic structural views of a tool apron.
Fig. 3-6 are schematic structural views of the tool apron machining fixture of the present invention.
Fig. 7-9 are schematic structural views of the tool apron machining fixture of the present invention during positioning and clamping.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
example (b): referring to fig. 3-6, a tool apron machining fixture includes a fixture base 1, a supporting and positioning block 2, two lateral pressing mechanisms 3, two ejector pins 4, and left and right clamping mechanisms 5.
The clamp seat 1 is provided with two limiting blocks 1-1, the two limiting blocks 1-1 are distributed in a front-back opposite mode, and a transverse groove 102 is formed between opposite surfaces of the two limiting blocks 1-1.
Specifically, the front-rear width of the lateral groove 102 is greater than the front-rear thickness of the holder N. During clamping, the tool holder N is horizontally inserted into the transverse groove 102 in the transverse direction.
The supporting and positioning block 2 is arranged in the middle of the transverse groove 102, and a supporting and positioning surface 2-1 used for being matched with the tool apron holding part N-1 is arranged at the upper end of the supporting and positioning block 2.
When clamping, the tool apron holding part N-1 is placed on the supporting and positioning block 2 and is supported and positioned by the supporting and positioning surface 2-1.
Specifically, the supporting and positioning surface 2-1 is an arc surface N-11 matched with the profile of the lower side surface of the tool apron holding part N-1.
The two side pressing mechanisms 3 are respectively arranged on the two limiting blocks 1-1 and are rotationally and symmetrically distributed at 180 degrees; the two ejector pins 4 are respectively arranged on the two limiting blocks 1-1, and the two ejector pins 4 are respectively in one-to-one correspondence with the two lateral pressing mechanisms 3 (in one-to-one correspondence along the front-back direction).
Specifically, the left side pressing mechanism 3 and the left side knock pin 4 are respectively distributed back and forth.
During clamping, the left ejector pin 4 is used for abutting and limiting the front side face of the tail blocking part N-3 of the tool apron N, the left side pressing mechanism 3 is used for pressing the rear side face of the tail blocking part N-3 of the tool apron N, and the tail blocking part N-3 of the tool apron N is positioned and pressed in the front-back direction.
And one lateral pressing mechanism 3 on the right side and one knock pin 4 on the right side are distributed in the front-back direction.
During clamping, the right ejector pin 4 is used for abutting and limiting the rear side face of the head part N-2 of the tool apron N, the right side lateral pressing mechanism 3 is used for pressing the front side face of the head part N-2 of the tool apron N, and the head part N-2 of the tool apron N is positioned and pressed in the front-back direction.
Preferably, the lateral pressing mechanism 3 adopts a lever cylinder.
Specifically, the side pressure mechanism 3 comprises a first telescopic cylinder 3-1, a first link arm 3-2, a first support arm 3-3 and a first floating pressure block 3-4; the output end of the first telescopic cylinder 3-1 is hinged with the lower end of a first link arm 3-2, one end of the first link arm 3-3 is fixed on the back surface of the limiting block 1-1, the middle part of the first link arm 3-2 is hinged with the other end of the first link arm 3-3, and the first floating pressing block 3-4 is hinged with the upper end of the first link arm 3-2. When the telescopic device works, the output end of the first telescopic cylinder 3-1 drives the lower end of the first link arm 3-2 to move, the first support arm 3-3 rotates around the hinged center of the middle part of the first link arm 3-2 and the other end of the first support arm 3-3, and the other end of the first support arm 3-3 drives the first floating press block 3-4 on the first support arm to approach or depart from. And because the first floating pressing block 3-4 can rotate on the other end of the first support arm 3-3, the first floating pressing block 3-4 is pressed in a floating way and can keep surface contact and pressing.
Preferably, the left and right clamping mechanisms 5 comprise a second telescopic cylinder 5-1, a linkage arm 5-2 and two L-shaped pressing blocks 5-3; the output end of the second telescopic cylinder 5-1 faces upwards and is connected with the middle part of the linkage arm 5-2, two connecting lugs 5-21 are symmetrically arranged at the left end and the right end of the linkage arm 5-2, the two L-shaped pressing blocks 5-3 are symmetrically distributed at the left end and the right end and are rotatably arranged on the clamp seat 1, and the two connecting lugs 5-21 are hinged with the lower ends of the two L-shaped pressing blocks 5-3. When the tool apron is clamped, the second telescopic cylinder 5-1 drives the linkage arm 5-2 to move upwards, the two connecting lugs 5-21 of the linkage arm 5-2 respectively drive the two L-shaped pressing blocks 5-3 to symmetrically rotate on the clamp seat 1, the pressing ends of the two L-shaped pressing blocks 5-3 symmetrically approach to move, and then the head blocking part N-2 and the tail blocking part N-3 of the tool apron N are symmetrically clamped. When the tool apron is loosened (on the contrary), the second telescopic cylinder 5-1 drives the linkage arm 5-2 to move downwards, the two connecting lugs 5-21 of the linkage arm 5-2 respectively drive the two L-shaped pressing blocks 5-3 to symmetrically rotate back to back on the clamp seat 1, and the two L-shaped pressing blocks 5-3 are symmetrically far away from the clamp seat to move so as to symmetrically loosen the head stop part N-2 and the tail stop part N-3 of the tool apron N.
Preferably, two buffering pressing blocks 5-4 are symmetrically arranged on the pressing ends of the two L-shaped pressing blocks 5-3. When the two buffer pressing blocks 5-4 are tightly pressed with the head blocking part N-2 and the tail blocking part N-3, the buffer contact can be realized, and the surface damage caused by rigid contact can be avoided.
Preferably, the buffering pressing block 5-4 is made of rubber or polyurethane.
When clamping, the following operation steps can be carried out (see fig. 7-9):
s1, horizontally installing the tool apron N into the transverse groove 102 in the transverse direction, and enabling the tool apron holding part N-1 to be placed on the supporting and positioning block 2 and supported and positioned by the supporting and positioning surface 2-1;
s2, the two lateral pressing mechanisms 3 are started to work simultaneously, the left ejector pin 4 can enable the front side face of the tail blocking part N-3 of the tool apron N to be blocked and limited, the left lateral pressing mechanism 3 can enable the rear side face of the tail blocking part N-3 of the tool apron N to be pressed tightly, and the tail blocking part N-3 of the tool apron N is positioned and pressed tightly in the front-back direction; meanwhile, the rear side surface of the head stop part N-2 of the tool apron N can be abutted and limited by the right knock pin 4, the front side surface of the head stop part N-2 of the tool apron N is pressed by the right side pressing mechanism 3, and the head stop part N-2 of the tool apron N is positioned and pressed in the front-back direction;
s3, the left and right clamping mechanisms 5 are started to work, the linkage arm 5-2 is driven to move upwards through the second telescopic cylinder 5-1, the two connecting lugs 5-21 of the linkage arm 5-2 respectively drive the two L-shaped press blocks 5-3 to symmetrically rotate on the clamp seat 1, the press ends of the two L-shaped press blocks 5-3 symmetrically approach to move, and then the head stop part N-2 and the tail stop part N-3 of the tool apron N are clamped symmetrically. The tool apron N is accurately positioned, fixed and clamped at the moment.
After the arc-shaped surface 11 on one side of the tool apron N is machined; when the workpiece is unloaded, the left and right clamping mechanisms 5 are started, and the left and right symmetrical clamping of the head stop part N-2 and the tail stop part N-3 of the tool apron N is released; then, the two lateral pressing mechanisms 3 are started to work, and the front and back clamping of the head stop part N-2 and the tail stop part N-3 of the tool apron N is released simultaneously. Then the meter base N can be easily taken out.
Then, the tool apron N is turned over by 180 degrees by repeating the steps S1-S3, then positioning and clamping are carried out on the clamp, and then the arc-shaped surface N-11 on the other side of the tool apron N can be machined.
The utility model has the following characteristics and analysis as follows:
firstly, the embodiment can be used for accurately positioning, clamping and fixing the tool apron N when the arc surface is machined, and the operation is very simple during assembling and disassembling;
secondly, in the embodiment, two lateral pressing mechanisms 3 are symmetrically distributed in a 180-degree rotation manner; the two ejector pins 4 correspond to the two side pressing mechanisms 3 one by one respectively, so that the head stop part N-2 and the tail stop part N-3 of the tool apron N can be simultaneously and accurately limited and clamped in the front and back directions, the tool apron N can be turned by 180 degrees and then clamped to process the arc-shaped surface 11 on the other side of the tool apron N, and the requirement that one clamp can simultaneously process two arc-shaped surfaces 11 is met;
thirdly, in the embodiment, the tool apron N is positioned and compressed and cannot move back and forth, up and down, left and right and the like, so that the arc-shaped surface of the tool apron N can be guaranteed to have simple reference and relative position precision during processing, and the stability and reliability during processing.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (6)
1. A tool apron machining clamp is characterized by comprising a clamp seat (1), a supporting and positioning block (2), two lateral pressing mechanisms (3), two ejector pins (4) and a left clamping mechanism and a right clamping mechanism (5);
the clamp seat (1) is provided with two limiting blocks (1-1), the two limiting blocks (1-1) are distributed in a front-back opposite mode, and a transverse groove (102) is formed between opposite surfaces of the two limiting blocks (1-1);
the supporting and positioning block (2) is arranged in the middle of the transverse groove (102), and a supporting and positioning surface (2-1) used for being matched with the tool apron holding part (N-1) is arranged at the upper end of the supporting and positioning block (2);
the two lateral pressing mechanisms (3) are respectively arranged on the two limiting blocks (1-1) and are rotationally and symmetrically distributed at 180 degrees; the two ejector pins (4) are respectively arranged on the two limiting blocks (1-1), and the two ejector pins (4) are respectively in one-to-one correspondence with the two lateral pressing mechanisms (3);
the left and right clamping mechanisms (5) are used for symmetrically clamping a head stop part (N-2) and a tail stop part (N-3) of the tool apron (N).
2. A tool apron machining jig according to claim 1, characterized in that: the lateral pressure mechanism (3) adopts a lever cylinder.
3. A tool apron machining jig according to claim 1, characterized in that: the lateral pressure mechanism (3) comprises a first telescopic cylinder (3-1), a first link arm (3-2), a first support arm (3-3) and a first floating pressing block (3-4);
the output end of the first telescopic cylinder (3-1) is hinged with the lower end of a first link arm (3-2), one end of the first support arm (3-3) is fixed on the back surface of the limiting block (1-1), the middle part of the first link arm (3-2) is hinged with the other end of the first link arm (3-3), and the first floating press block (3-4) is hinged with the upper end of the first link arm (3-2).
4. A tool apron machining jig according to any one of claims 1 to 3, characterized in that: the left and right clamping mechanisms (5) comprise second telescopic cylinders (5-1), linkage arms (5-2) and two L-shaped pressing blocks (5-3); the output end of the second telescopic cylinder (5-1) faces upwards and is connected with the middle part of the linkage arm (5-2), two connecting lugs (5-21) are symmetrically arranged at the left end and the right end of the linkage arm (5-2), the two L-shaped pressing blocks (5-3) are symmetrically distributed at the left end and the right end and are rotatably arranged on the clamp seat (1), and the two connecting lugs (5-21) are hinged with the lower ends of the two L-shaped pressing blocks (5-3).
5. A tool apron machining jig according to claim 4, characterized in that: two buffering pressing blocks (5-4) are symmetrically arranged on the pressing ends of the two L-shaped pressing blocks (5-3).
6. A tool apron machining jig according to claim 5, characterized in that: the buffer pressing block (5-4) is made of rubber or polyurethane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120958464.9U CN214722439U (en) | 2021-05-07 | 2021-05-07 | Tool apron machining clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120958464.9U CN214722439U (en) | 2021-05-07 | 2021-05-07 | Tool apron machining clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214722439U true CN214722439U (en) | 2021-11-16 |
Family
ID=78616841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120958464.9U Expired - Fee Related CN214722439U (en) | 2021-05-07 | 2021-05-07 | Tool apron machining clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214722439U (en) |
-
2021
- 2021-05-07 CN CN202120958464.9U patent/CN214722439U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211116 |
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| CF01 | Termination of patent right due to non-payment of annual fee |