CN213318984U - Small limiter tool clamp - Google Patents
Small limiter tool clamp Download PDFInfo
- Publication number
- CN213318984U CN213318984U CN202021486903.2U CN202021486903U CN213318984U CN 213318984 U CN213318984 U CN 213318984U CN 202021486903 U CN202021486903 U CN 202021486903U CN 213318984 U CN213318984 U CN 213318984U
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- China
- Prior art keywords
- chuck
- lower die
- cylinder
- connecting plate
- die holder
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- Expired - Fee Related
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- 238000003754 machining Methods 0.000 abstract description 6
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 238000003801 milling Methods 0.000 description 10
- 238000005553 drilling Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000034 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 small limiter tool clamp, which comprises a bottom plate, a lower die holder and a clamping mechanism, wherein the lower die holder is tightly connected with the bottom plate, the upper end of the lower die holder is provided with a lower die cavity, the lower end of the lower die holder is provided with a guide groove in a penetrating way, two sides of the guide groove are provided with guide holes, the clamping mechanism consists of a cylinder, a connecting plate, a first chuck, a second chuck and a guide rod, the cylinder is tightly connected with the side wall of the lower die holder, the cylinder is a double-piston rod cylinder, the end parts of piston rods at two sides of the double-piston rod cylinder are tightly connected with the connecting plate, the first chuck is tightly connected with the middle part of the connecting plate at one side, the second chuck is tightly connected with the middle part of the connecting plate at the other side, the guide rod is tightly connected with the connecting plate, and the guide rod is respectively connected with the guide holes in, the flatness of the upper end surface of the small limiter and the position degree of the hole are guaranteed, and the machining precision is high.
Description
Technical Field
The utility model belongs to the technical field of frock clamp, specifically speaking, the utility model relates to a little arrester frock clamp.
Background
As shown in fig. 1, the upper end face of the small limiter needs finish milling and drilling, and as shown in fig. 2, the existing machining process is that a piston rod of a left rotating clamping cylinder rotates anticlockwise by 90 degrees to contract, a left pressing plate rotates to the position below the small limiter to be pressed, and then a milling cutter performs face milling operation on the position above the small limiter; after the surface milling operation on the small limiter is finished, the piston rod of the left rotary clamping cylinder extends out and rotates 90 degrees clockwise, the left pressing plate is released to compress the lower part of the small limiter, meanwhile, the piston rod of the right rotary clamping cylinder rotates 90 degrees counterclockwise and contracts, the right pressing plate rotates to the upper part of the small limiter to compress, then the milling cutter performs the surface milling operation on the lower part of the small limiter, and then the hole is drilled.
The machining process of the small limiter comprises the steps of firstly clamping twice, wherein the positioning precision is uncontrollable; secondly, the lower half and the upper half of the small limiter are subjected to face milling twice, so that the flatness of the upper end face of the small limiter is difficult to guarantee, and the position degree of a hole is inaccurate.
SUMMERY OF THE UTILITY MODEL
The utility model provides a little arrester frock clamp has realized the disposable clamping of little arrester, mills up end and drilling behind the disposable tool setting, has guaranteed the plane degree in the plane degree and the position degree in hole of the up end of little arrester, and the machining precision is high.
In order to realize the purpose, the utility model discloses the technical scheme who takes does: the utility model provides a little arrester frock clamp, includes bottom plate, die holder and fixture, die holder and bottom plate fastening connection, the die holder upper end is equipped with down the die cavity, the die holder lower extreme runs through and is equipped with the guide way, the guide way both sides are equipped with the guiding hole, fixture comprises cylinder, connecting plate, chuck one, chuck two and guide bar, cylinder and die holder lateral wall fastening connection, the cylinder is double-piston rod cylinder, the tailpiece of the piston rod portion and the connecting plate fastening connection of double-piston rod cylinder both sides, chuck one and the connecting plate middle part fastening connection of one side, chuck two and the connecting plate middle part fastening connection of opposite side, guide bar and connecting plate fastening connection, and the guide bar respectively with guiding hole sliding connection.
Preferably, the lower end of the lower die cavity is provided with an ear cavity, the ear cavity is communicated with the guide groove, and the inner wall surface of the ear cavity is a cylindrical surface.
Preferably, the front ends of the first chuck and the second chuck are provided with arc grooves.
The beneficial effect of adopting above technical scheme is:
1. the small limiter tool clamp is characterized in that a workpiece to be machined of a small limiter is placed in a lower die cavity of a lower die base, a cylinder at the lower end of the small limiter is positioned in an ear cavity, then a double-piston rod cylinder is started, piston rods of the double-piston rod cylinder shrink, a first chuck and a second chuck are driven by a connecting plate to move inwards in a guide groove until arc grooves at the front ends of the first chuck and the second chuck abut against the cylinder at the lower end of the small limiter, the small limiter is clamped by the first chuck and the second chuck at two sides, then a milling cutter mills an upper end face and drills after one-time tool setting, one-time clamping of the small limiter is realized, the upper end face and the drills are milled after one-time tool setting, the flatness of the upper end face of the small limiter and the position degrees of two holes are guaranteed, and the machining precision is high; the guide rods are fixedly connected with the connecting plate and are respectively connected with the guide holes in a sliding mode, so that the guide rods on the two sides share the same guide hole, and the position accuracy of the first chuck and the second chuck is guaranteed.
2. The lower end of the lower die cavity is provided with an ear cavity, and the ear cavity is communicated and connected with the guide groove, so that the small limiter is clamped by the first chuck and the second chuck; the inner wall surface of the ear cavity is a cylindrical surface, so that the accurate positioning of the small limiter is ensured; the front ends of the first chuck and the second chuck are provided with arc grooves, so that the contact stress of a cylinder at the lower end of the small limiter and a plane is avoided, the uniform stress of the cylinder at the lower end of the small limiter is ensured, and the deformation of a cylinder drilled hole at the lower end of the small limiter caused by clamping force is avoided.
Drawings
FIG. 1 is a schematic view of a small restraint construction;
FIG. 2 is a schematic view of a small restraint tool fixture of the prior art;
FIG. 3 is an assembly view of the small restraint tool holder;
FIG. 4 is a schematic view of the structure of the lower die holder;
FIG. 5 is an assembly view of the clamping mechanism;
wherein:
1-1, rotating the clamping cylinder left; 1-2, rotating the clamping cylinder rightwards; 1-3, a left pressing plate; 1-4, a right pressing plate; 1-5, a small limiter;
1. a base plate; 2. a lower die holder; 3. a clamping mechanism;
20. a lower die cavity; 20-1, ear cavity; 21. a guide groove; 22. a guide hole;
30. a cylinder; 31. a connecting plate; 32. a first chuck; 33. a second chuck; 34. a guide bar; 35. a circular arc groove.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings, for the purpose of helping those skilled in the art to understand more completely, accurately and deeply the conception and technical solution of the present invention, and to facilitate its implementation.
As shown in figures 3 to 5, the utility model relates to a little arrester frock clamp has realized the disposable clamping of little arrester, mills up end and drilling behind the disposable tool setting, has guaranteed the plane degree and the position degree in hole of the up end of little arrester, and the machining precision is high.
In particular, as shown in fig. 3 to 5, comprises a bottom plate 1, a lower die holder 2 and a clamping mechanism 3, the lower die holder 2 is fixedly connected with the bottom plate 1, the upper end of the lower die holder 2 is provided with a lower die cavity 20, the lower end of the lower die base 2 is provided with a guide groove 21 in a penetrating way, two sides of the guide groove 21 are provided with guide holes 22, the clamping mechanism 3 consists of a cylinder 30, a connecting plate 31, a first clamping head 32, a second clamping head 33 and a guide rod 34, the air cylinder 30 is fixedly connected with the side wall of the lower die holder 2, the air cylinder 30 is a double-piston rod air cylinder, the end parts of the piston rods at the two sides of the double-piston rod cylinder are fixedly connected with the connecting plate 31, the first clamp 32 is fixedly connected with the middle part of the connecting plate 31 at one side, the second chuck 33 is tightly connected with the middle part of the connecting plate 31 on the other side, the guide rod 34 is tightly connected with the connecting plate 31, and the guide rod 34 is respectively connected with the guide hole 22 in a sliding manner.
As shown in fig. 4, the lower end of the lower mold cavity 20 is provided with an ear cavity 20-1, the ear cavity 20-1 is communicated with the guide groove 21, and the inner wall surface of the ear cavity 20-1 is a cylindrical surface.
As shown in fig. 5, the front ends of the first chuck 32 and the second chuck 33 are provided with arc grooves 35.
The following specific working modes are illustrated by specific examples:
example 1:
the small limiter tool clamp firstly places a workpiece to be machined of a small limiter in a lower die cavity 20 of a lower die base 2, a cylinder at the lower end of the small limiter is positioned in an ear cavity 20-1, then a double-piston rod cylinder is started, a piston rod of the double-piston rod cylinder contracts, a first chuck 32 and a second chuck 33 are driven by a connecting plate 31 to move inwards in a guide groove 21 until an arc groove 35 at the front end of the first chuck 32 and the front end of the second chuck 33 abut against the cylinder at the lower end of the small limiter, the small limiter is clamped by the first chuck 32 and the second chuck 33 at two sides, then a milling cutter mills an upper end face and a drilling hole after one-time tool setting, one-time clamping of the small limiter is realized, the milling of the upper end face and the drilling hole after one-time tool setting is carried out, the flatness of the upper end face of the small limiter and the position degrees of two holes are ensured; the guide rods 34 are fixedly connected with the connecting plate 31, and the guide rods 34 are respectively connected with the guide holes 22 in a sliding mode, so that the guide rods 34 on the two sides share the same guide hole 22, and the position accuracy of the first chuck 32 and the second chuck 33 is guaranteed.
Example 2:
on the basis of the embodiment 1, the lower end of the lower die cavity 20 is provided with an ear cavity 20-1, and the ear cavity 20-1 is communicated and connected with the guide groove 21, so that the first chuck 32 and the second chuck 33 clamp the small limiter; the inner wall surface of the ear cavity 20-1 is a cylindrical surface, so that the accurate positioning of the small limiter is ensured; the front ends of the first chuck 32 and the second chuck 33 are provided with arc grooves 35, so that the contact stress of a cylinder at the lower end of the small limiter and a plane is avoided, the uniform stress of the cylinder at the lower end of the small limiter is ensured, and the deformation of a cylinder drilled hole at the lower end of the small limiter caused by clamping force is avoided.
The present invention has been described in detail with reference to the accompanying drawings, and it is to be understood that the invention is not limited to the specific embodiments, but is intended to cover various insubstantial modifications, including those made by the method and technical solutions of the present invention; or without improvement, the above conception and technical solution of the present invention can be directly applied to other occasions, all within the protection scope of the present invention.
Claims (3)
1. The utility model provides a little arrester frock clamp which characterized in that: the die comprises a bottom plate (1), a lower die holder (2) and a clamping mechanism (3), wherein the lower die holder (2) is fixedly connected with the bottom plate (1), a lower die cavity (20) is arranged at the upper end of the lower die holder (2), a guide groove (21) penetrates through the lower end of the lower die holder (2), guide holes (22) are formed in two sides of the guide groove (21), the clamping mechanism (3) comprises a cylinder (30), a connecting plate (31), a first chuck (32), a second chuck (33) and a guide rod (34), the cylinder (30) is fixedly connected with the side wall of the lower die holder (2), the cylinder (30) is a double-piston-rod cylinder, the end parts of piston rods on two sides of the double-piston-rod cylinder are fixedly connected with the connecting plate (31), the first chuck (32) is fixedly connected with the middle part of the connecting plate (31) on one side, the second chuck (33) is fixedly connected with the middle, the guide rods (34) are fixedly connected with the connecting plate (31), and the guide rods (34) are respectively connected with the guide holes (22) in a sliding mode.
2. The small limit stop tooling fixture of claim 1, characterized in that: the lower end of the lower die cavity (20) is provided with an ear cavity (20-1), the ear cavity (20-1) is communicated and connected with the guide groove (21), and the inner wall surface of the ear cavity (20-1) is a cylindrical surface.
3. The small limit stop tooling fixture of claim 1, characterized in that: the front ends of the first chuck (32) and the second chuck (33) are provided with arc grooves (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021486903.2U CN213318984U (en) | 2020-07-24 | 2020-07-24 | Small limiter tool clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021486903.2U CN213318984U (en) | 2020-07-24 | 2020-07-24 | Small limiter tool clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213318984U true CN213318984U (en) | 2021-06-01 |
Family
ID=76090557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021486903.2U Expired - Fee Related CN213318984U (en) | 2020-07-24 | 2020-07-24 | Small limiter tool clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213318984U (en) |
-
2020
- 2020-07-24 CN CN202021486903.2U patent/CN213318984U/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: 20210601 |