CN219648878U - Linear cutting positioning fixture - Google Patents
Linear cutting positioning fixture Download PDFInfo
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- CN219648878U CN219648878U CN202320338012.XU CN202320338012U CN219648878U CN 219648878 U CN219648878 U CN 219648878U CN 202320338012 U CN202320338012 U CN 202320338012U CN 219648878 U CN219648878 U CN 219648878U
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- 230000005389 magnetism Effects 0.000 claims abstract description 24
- 238000009434 installation Methods 0.000 claims abstract description 14
- 230000007704 transition Effects 0.000 claims description 5
- 230000006835 compression Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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Abstract
The utility model discloses a linear cutting positioning fixture, which belongs to the technical field of fixtures and comprises a base, wherein two groups of positioning structures are symmetrically arranged at the upper end of the base, each group of positioning structures comprises a lower positioning seat and an upper positioning seat, and the lower positioning seat and the upper positioning seat have the same structure. According to the utility model, when a cylindrical workpiece is encountered, the lengths of the positioning columns on the upper positioning seat and the lower positioning seat entering the installation shell are different, and the positioning columns still move after entering the installation shell until the depth of the positioning columns reaches a marking line, at the moment, the positioning columns push the supporting sleeve to move in the sleeve, after the workpiece is clamped stably, the coil sleeve is electrified to enable the positioning columns to generate magnetism, so that the limiting heads stretch out again and are inserted into the limiting grooves to limit the supporting sleeve, and in this way, the positioning structure can clamp the cylindrical workpiece, and in this way, the arc-shaped workpiece can be clamped, so that the positioning fixture can adapt to different working environments, and the reliability of the positioning fixture is improved.
Description
Technical Field
The utility model relates to the technical field of clamps, in particular to a linear cutting positioning clamp.
Background
The wire cutting is to use a continuously moving thin metal wire as an electrode to perform pulse spark discharge corrosion and cutting forming on a workpiece, the workpiece is required to be positioned by a clamp before being cut, the existing clamp principle for positioning the workpiece is to clamp the workpiece by using an upper clamping plate and a lower clamping plate, the structures of the upper clamping plate and the lower clamping plate in the mode are very simple, the clamping is very stable for the workpiece with regular shapes (square and flat end surfaces), and the clamping effect is greatly reduced for some arc-shaped or cylindrical workpieces;
chinese patent discloses a wire-electrode cutting steel positioning fixture device (grant bulletin number CN 212264789U), this patent is provided with multiple clamping device, the inside both ends of grip holder all are provided with the pivot, when meetting large-scale raw materials, the accessible pivot expands the inner wall, make the more stable of its centre gripping, the right side is provided with grooved type clamping device, can stably centre gripping columniform steel, realize carrying out the centre gripping to the steel of multiple shape, but, this patent is realized different centre gripping effect through two different anchor clamps, and the grooved pattern anchor clamps's that the right side set up grooved pattern anchor clamps's groove shape is fixed can't produce the change according to the shape of work piece itself, still need utilize the movable block to carry out the centre gripping during the centre gripping, and the movable block only depends on reset spring to support and reset spring's elasticity is limited so this patent has the unstable problem of centre gripping. Accordingly, the present utility model provides a wire cutting positioning fixture to solve the above-mentioned problems.
Disclosure of Invention
The utility model aims to provide a linear cutting positioning clamp which is used for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the wire cutting positioning fixture comprises a base, two groups of positioning structures are symmetrically arranged at the upper end of the base, each group of positioning structures comprises a lower positioning seat and an upper positioning seat, the lower positioning seat and the upper positioning seat are identical in structure, an electric push rod is arranged at the upper end of the base, one end of the electric push rod, which is far away from the base, is fixedly connected with the upper positioning seat, the lower positioning seat comprises a mounting shell, a plurality of coil sleeves are fixedly connected with the inside of the mounting shell, positioning columns are slidably connected with the inside of the coil sleeves, and support columns are arranged below the coil sleeves and can play a supporting role on the positioning columns through the support columns;
the support column comprises a sleeve, all sliding connection has the support sleeve in the sleeve, the inside sliding chamber that is equipped with of support sleeve, sliding connection has the magnetic path in the sliding chamber, the lower extreme fixedly connected with ejector pin of magnetic path, the inside bottom sliding connection of support sleeve has the depression bar, the inside of support sleeve still sliding connection has two spacing heads, the connection window has been seted up on the outer wall of support sleeve, connection window corresponds with spacing head, a plurality of spacing grooves have been seted up on the telescopic inside outer wall.
As a further scheme of the utility model, the positioning column is sleeved with the connecting spring, the outer wall of the positioning column is fixedly connected with the limiting ring, and the connecting spring is positioned between the limiting ring and the mounting shell.
As still further scheme of the utility model, the inside of the supporting sleeve is provided with a jack, the jack corresponds to the positioning column, and a transition port is arranged between the jack and the sliding cavity.
As a still further scheme of the utility model, the ejector rod and the compression rod have magnetism, the magnetism of the ejector rod and the magnetism of the compression rod are the same, the limit head also has magnetism, and the magnetism of the limit head is opposite to the magnetism of the compression rod.
As a still further proposal of the utility model, the lower end of the compression bar is fixedly connected with a return spring.
As a still further proposal of the utility model, the inside of the sleeve is symmetrically provided with grooves, the limit groove is positioned in the grooves, the outer wall of the supporting sleeve is also provided with grooves, and the connecting window is arranged in the grooves.
Compared with the prior art, the utility model has the beneficial effects that:
1. when the clamping device is used, the positioning columns in the upper positioning seat and the lower positioning seat move into the mounting shell in the clamping process, when the moving depth of the positioning columns in the upper positioning seat into the mounting shell reaches a marking line, the coil sleeve is electrified, the positioning columns generate magnetism, the magnetism is the same as that of the magnetic block after the coil sleeve is electrified, the magnetic block moves downwards under the action of magnetic force, the compression bar is compressed when the magnetic block moves downwards, and after the magnetic block moves between the two limiting heads, the limiting heads move towards two sides under the action of magnetic force and are inserted into the limiting grooves, so that the supporting sleeve is limited, and the supporting sleeve is prevented from moving again in the clamping process, and thus workpieces can be clamped.
2. When the positioning device is used, when a cylindrical workpiece is met, the lengths of the positioning columns on the upper positioning seat and the lower positioning seat entering the installation shell are different, and the positioning columns can continue to move after entering the installation shell until the depth reaches a marking line, at the moment, the positioning columns can push the supporting sleeve to move in the sleeve, after the workpiece is clamped stably, the coil sleeve is electrified to enable the positioning columns to generate magnetism so that the limiting heads stretch out again and are inserted into the limiting grooves to limit the supporting sleeve, and in this way, the positioning structure can clamp the cylindrical workpiece, and in this way, the arc-shaped workpiece can be clamped, so that the practicability of the positioning device is improved.
Drawings
Fig. 1 is a schematic structural view of a wire-cut positioning fixture.
Fig. 2 is a structural view of a positioning structure in a wire-cut positioning jig.
Fig. 3 is an internal structural view of a positioning structure in the wire-cut positioning jig.
Fig. 4 is a split view of a support column in a wire cutting positioning jig.
Fig. 5 is a cross-sectional view of a support column in a wire cutting positioning fixture.
In the figure: 1. a base; 2. a lower positioning seat; 3. an upper positioning seat; 4. a telescopic column; 5. an electric push rod; 200. a mounting shell; 201. positioning columns; 202. marking lines; 203. a coil sleeve; 204. a sleeve; 205. a support sleeve; 206. a limit groove; 207. a support spring; 208. a jack; 209. a transition port; 210. a magnetic block; 211. a push rod; 212. a connection window; 213. a positioning head; 214. a compression bar; 215. and a return spring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 5, in the embodiment of the utility model, a wire cutting positioning fixture comprises a base 1, two groups of positioning structures are symmetrically arranged at the upper end of the base 1, each group of positioning structures comprises a lower positioning seat 2 and an upper positioning seat 3, the lower positioning seat 2 and the upper positioning seat 3 have the same structure, the upper positioning seat 3 is positioned above the lower positioning seat 2, a telescopic column 4 is also symmetrically and fixedly connected at the upper end of the base 1, one end of the telescopic column 4 far away from the base 1 is fixedly connected with the upper positioning seat 3, an electric push rod 5 is arranged at the upper end of the base 1, one end of the electric push rod 5 far away from the base 1 is fixedly connected with the upper positioning seat 3, the lower positioning seat 2 comprises a mounting shell 200, a plurality of coil sleeves 203 are fixedly connected inside the mounting shell 200, coils are wound inside the coil sleeves 203, positioning columns 201 are slidably connected inside the coil sleeves 203, connecting springs are sleeved on the positioning columns 201, a limiting ring is fixedly connected to the outer wall of the positioning columns 201, the connecting springs are positioned between the limiting ring and the mounting shell 200, the outer wall 202 of the positioning columns are further marked with a main line 203, and the lower supporting columns 203 can act on the supporting columns through the supporting columns;
the support column comprises a sleeve 204, the sleeve 204 is fixedly connected with a support sleeve 205 in a sliding way, a support spring 207 is sleeved outside the support sleeve 205, a limit disc is fixedly connected outside the support sleeve 205, the support spring 207 is positioned between the limit disc and the sleeve 204, a sliding cavity is arranged inside the support sleeve 205, a magnetic block 210 is connected in the sliding cavity in a sliding way, a jack 208 is arranged inside the support sleeve 205, the jack 208 corresponds to the positioning column 201, a transition port 209 is arranged between the jack 208 and the sliding cavity, the blocking of magnetic force between the positioning column 201 and the magnetic block 210 can be avoided through the transition port 209, a push rod 211 is fixedly connected with the lower end of the magnetic block 210, a compression rod 214 is slidingly connected with the inner bottom end of the support sleeve 205, a sliding groove is arranged at the inner bottom end of the support sleeve 205, the compression rod 214 is positioned in the sliding groove, the lower extreme fixedly connected with reset spring 215 of depression bar 214, reset spring 215 is located the spout, the inside of supporting sleeve 205 still sliding connection has two spacing heads 213, spacing head 213 is located the left and right sides of depression bar 214, ejector pin 211 and depression bar 214 all have magnetism, and ejector pin 211 and depression bar 214's magnetism is the same, spacing head 213 also has magnetism, the magnetism of spacing head 213 is opposite with the magnetism of depression bar 214, connecting window 212 has been seted up on the outer wall of supporting sleeve 205, connecting window 212 corresponds with spacing head 213, a plurality of spacing grooves 206 have been seted up on the inside outer wall of sleeve 204, spacing groove 206 corresponds with spacing head 213, the inside symmetry of sleeve 204 is seted up flutedly, spacing groove 206 is located the recess, also set up flutedly on the outer wall of supporting sleeve 205, and connecting window 212 sets up in the recess.
The working principle of the utility model is as follows:
when the utility model is used, a workpiece is directly placed between the lower positioning seat 2 and the upper positioning seat 3, then the electric push rod 5 is started to drive the upper positioning seat 3 to move downwards, the workpiece is clamped and positioned by utilizing the positioning columns 201, the positioning columns 201 in the upper positioning seat 3 and the lower positioning seat 2 move inwards of the installation shell 200 in the clamping process (the positioning columns 201 on the lower positioning seat 2 move downwards due to the fact that the workpiece is initially placed on the lower positioning seat 2 by a certain distance in the installation shell 200), when the moving depth of the positioning columns 201 in the upper positioning seat 3 into the installation shell 200 reaches the marking line 202, the coil sleeve 203 is started to be electrified (when the positioning columns 201 move inwards of the installation shell 200 to reach the marking line 202, the lower end of the positioning columns 201 is fully inserted into the insertion hole 208), the positioning columns 201 generate magnetism after the coil sleeve 203 is electrified, and the magnetism is the same as that of the magnetic blocks 210 move downwards under the action of the magnetic blocks 210, the magnetic blocks 210 move downwards when the workpiece is initially placed on the lower positioning columns 2, a certain distance is kept between the installation shell 200, the coil sleeve 201 is compressed by the magnetic blocks 210, and when the magnetic blocks 210 move downwards to the two ends 213 to move downwards, the two ends of the magnetic blocks 205 are limited by the limiting blocks 213, and the two limit sleeve 206 can be prevented from moving inwards by the clamping support the supporting sleeve in the clamping process;
when a cylindrical workpiece is encountered, the upper positioning seat 3 is moved towards the lower positioning seat 2, the positioning column 201 moves towards the inside of the installation shell 200 after the positioning column 201 contacts the workpiece, at this time, the lengths of the upper positioning seat 3 and the lower positioning seat 2, which are different, of the positioning column 201 entering the installation shell 200 are different, and some of the positioning columns 201 still move after entering the installation shell 200 reaches the marking line 202, at this time, the positioning column 201 pushes the supporting sleeve 205 to move in the sleeve 204, after the workpiece is clamped stably, the coil sleeve 203 is electrified, so that the positioning column 201 generates magnetism, the limiting head 213 stretches out again and is inserted into the limiting groove 206 to limit the supporting sleeve 205, and in this way, the cylindrical workpiece can be clamped by the positioning structure, and the arc-shaped workpiece can be clamped, so that the practicability of the utility model is increased.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a wire cutting positioning fixture, includes base (1), its characterized in that, two sets of location structures are installed to the upper end symmetry of base (1), every group all include lower positioning seat (2) and last positioning seat (3) in the location structure, lower positioning seat (2) and last positioning seat (3) structure are the same, electric push rod (5) are installed to the upper end of base (1), the one end and the last positioning seat (3) fixed connection that keep away from base (1) of electric push rod (5), lower positioning seat (2) include installation shell (200), the inside fixedly connected with of installation shell (200) a plurality of coil cover (203), the inside of coil cover (203) all sliding connection has reference column (201), a plurality of the below of coil cover (203) all is equipped with the support column, can play the backing up through the support column to reference column (201);
the support column comprises a sleeve (204), all sliding connection has support sleeve (205) in sleeve (204), support sleeve (205) inside is equipped with the sliding chamber, sliding connection has magnetic path (210) in the sliding chamber, the lower extreme fixedly connected with ejector pin (211) of magnetic path (210), the inside bottom sliding connection of support sleeve (205) has depression bar (214), the inside of support sleeve (205) still sliding connection has two spacing heads (213), connection window (212) have been seted up on the outer wall of support sleeve (205), connection window (212) correspond with spacing head (213), a plurality of spacing grooves (206) have been seted up on the inside outer wall of sleeve (204).
2. The linear cutting positioning fixture according to claim 1, wherein a connecting spring is sleeved on the positioning column (201), a limiting ring is fixedly connected to the outer wall of the positioning column (201), and the connecting spring is located between the limiting ring and the mounting shell (200).
3. The linear cutting positioning fixture according to claim 1, wherein a jack (208) is formed in the support sleeve (205), the jack (208) corresponds to the positioning column (201), and a transition port (209) is formed between the jack (208) and the sliding cavity.
4. The linear cutting positioning fixture according to claim 1, wherein the ejector rod (211) and the pressing rod (214) have magnetism, the magnetism of the ejector rod (211) and the magnetism of the pressing rod (214) are the same, the limiting head (213) also has magnetism, and the magnetism of the limiting head (213) is opposite to the magnetism of the pressing rod (214).
5. The wire cutting positioning fixture as set forth in claim 1, wherein a return spring (215) is fixedly connected to a lower end of the pressing rod (214).
6. The wire cutting positioning fixture as claimed in claim 1, wherein the sleeve (204) is symmetrically provided with grooves in the inside, the limit groove (206) is located in the groove, the outer wall of the support sleeve (205) is also provided with grooves, and the connecting window (212) is provided in the grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320338012.XU CN219648878U (en) | 2023-02-28 | 2023-02-28 | Linear cutting positioning fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320338012.XU CN219648878U (en) | 2023-02-28 | 2023-02-28 | Linear cutting positioning fixture |
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| Publication Number | Publication Date |
|---|---|
| CN219648878U true CN219648878U (en) | 2023-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320338012.XU Active CN219648878U (en) | 2023-02-28 | 2023-02-28 | Linear cutting positioning fixture |
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| CN (1) | CN219648878U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117260132A (en) * | 2023-11-07 | 2023-12-22 | 南京诺禾机械制造有限公司 | Intelligent manufacturing mechanical equipment welding tool |
-
2023
- 2023-02-28 CN CN202320338012.XU patent/CN219648878U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117260132A (en) * | 2023-11-07 | 2023-12-22 | 南京诺禾机械制造有限公司 | Intelligent manufacturing mechanical equipment welding tool |
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